diff --git a/HISTORY.md b/HISTORY.md index 0998fe28..df0b645c 100644 --- a/HISTORY.md +++ b/HISTORY.md @@ -54,6 +54,7 @@ http://visjs.org - Community fix for SVG images in IE11, thanks @dponch! - Fixed repeating stabilized event when the network is already stabilized. - Added circularImages, thanks for the contribution @brendon1982! +- Stopped infinite loop when brokenImage is also not available. ### Graph2d diff --git a/dist/vis.js b/dist/vis.js index 63b05424..828d4862 100644 --- a/dist/vis.js +++ b/dist/vis.js @@ -5,7 +5,7 @@ * A dynamic, browser-based visualization library. * * @version 3.8.1-SNAPSHOT - * @date 2015-01-14 + * @date 2015-01-16 * * @license * Copyright (C) 2011-2014 Almende B.V, http://almende.com @@ -83,67 +83,67 @@ return /******/ (function(modules) { // webpackBootstrap // utils exports.util = __webpack_require__(1); - exports.DOMutil = __webpack_require__(2); + exports.DOMutil = __webpack_require__(6); // data - exports.DataSet = __webpack_require__(3); - exports.DataView = __webpack_require__(4); - exports.Queue = __webpack_require__(5); + exports.DataSet = __webpack_require__(7); + exports.DataView = __webpack_require__(9); + exports.Queue = __webpack_require__(8); // Graph3d - exports.Graph3d = __webpack_require__(6); + exports.Graph3d = __webpack_require__(10); exports.graph3d = { - Camera: __webpack_require__(7), - Filter: __webpack_require__(8), - Point2d: __webpack_require__(9), - Point3d: __webpack_require__(10), - Slider: __webpack_require__(11), - StepNumber: __webpack_require__(12) + Camera: __webpack_require__(14), + Filter: __webpack_require__(15), + Point2d: __webpack_require__(13), + Point3d: __webpack_require__(12), + Slider: __webpack_require__(16), + StepNumber: __webpack_require__(17) }; // Timeline - exports.Timeline = __webpack_require__(13); - exports.Graph2d = __webpack_require__(14); + exports.Timeline = __webpack_require__(18); + exports.Graph2d = __webpack_require__(42); exports.timeline = { - DateUtil: __webpack_require__(15), - DataStep: __webpack_require__(16), - Range: __webpack_require__(17), - stack: __webpack_require__(18), - TimeStep: __webpack_require__(19), + DateUtil: __webpack_require__(24), + DataStep: __webpack_require__(45), + Range: __webpack_require__(21), + stack: __webpack_require__(28), + TimeStep: __webpack_require__(38), components: { items: { - Item: __webpack_require__(31), - BackgroundItem: __webpack_require__(32), - BoxItem: __webpack_require__(33), - PointItem: __webpack_require__(34), - RangeItem: __webpack_require__(35) + Item: __webpack_require__(30), + BackgroundItem: __webpack_require__(34), + BoxItem: __webpack_require__(32), + PointItem: __webpack_require__(33), + RangeItem: __webpack_require__(29) }, - Component: __webpack_require__(20), - CurrentTime: __webpack_require__(21), - CustomTime: __webpack_require__(22), - DataAxis: __webpack_require__(23), - GraphGroup: __webpack_require__(24), - Group: __webpack_require__(25), - BackgroundGroup: __webpack_require__(26), - ItemSet: __webpack_require__(27), - Legend: __webpack_require__(28), - LineGraph: __webpack_require__(29), - TimeAxis: __webpack_require__(30) + Component: __webpack_require__(23), + CurrentTime: __webpack_require__(39), + CustomTime: __webpack_require__(41), + DataAxis: __webpack_require__(44), + GraphGroup: __webpack_require__(46), + Group: __webpack_require__(27), + BackgroundGroup: __webpack_require__(31), + ItemSet: __webpack_require__(26), + Legend: __webpack_require__(50), + LineGraph: __webpack_require__(43), + TimeAxis: __webpack_require__(37) } }; // Network - exports.Network = __webpack_require__(36); + exports.Network = __webpack_require__(51); exports.network = { - Edge: __webpack_require__(37), - Groups: __webpack_require__(38), - Images: __webpack_require__(39), - Node: __webpack_require__(40), - Popup: __webpack_require__(41), - dotparser: __webpack_require__(42), - gephiParser: __webpack_require__(43) + Edge: __webpack_require__(57), + Groups: __webpack_require__(54), + Images: __webpack_require__(55), + Node: __webpack_require__(56), + Popup: __webpack_require__(58), + dotparser: __webpack_require__(52), + gephiParser: __webpack_require__(53) }; // Deprecated since v3.0.0 @@ -152,8 +152,8 @@ return /******/ (function(modules) { // webpackBootstrap }; // bundled external libraries - exports.moment = __webpack_require__(44); - exports.hammer = __webpack_require__(45); + exports.moment = __webpack_require__(2); + exports.hammer = __webpack_require__(19); /***/ }, @@ -164,7 +164,7 @@ return /******/ (function(modules) { // webpackBootstrap // first check if moment.js is already loaded in the browser window, if so, // use this instance. Else, load via commonjs. - var moment = __webpack_require__(44); + var moment = __webpack_require__(2); /** * Test whether given object is a number @@ -1444,21404 +1444,20541 @@ return /******/ (function(modules) { // webpackBootstrap /* 2 */ /***/ function(module, exports, __webpack_require__) { - // DOM utility methods - - /** - * this prepares the JSON container for allocating SVG elements - * @param JSONcontainer - * @private - */ - exports.prepareElements = function(JSONcontainer) { - // cleanup the redundant svgElements; - for (var elementType in JSONcontainer) { - if (JSONcontainer.hasOwnProperty(elementType)) { - JSONcontainer[elementType].redundant = JSONcontainer[elementType].used; - JSONcontainer[elementType].used = []; - } - } - }; - - /** - * this cleans up all the unused SVG elements. By asking for the parentNode, we only need to supply the JSON container from - * which to remove the redundant elements. - * - * @param JSONcontainer - * @private - */ - exports.cleanupElements = function(JSONcontainer) { - // cleanup the redundant svgElements; - for (var elementType in JSONcontainer) { - if (JSONcontainer.hasOwnProperty(elementType)) { - if (JSONcontainer[elementType].redundant) { - for (var i = 0; i < JSONcontainer[elementType].redundant.length; i++) { - JSONcontainer[elementType].redundant[i].parentNode.removeChild(JSONcontainer[elementType].redundant[i]); - } - JSONcontainer[elementType].redundant = []; - } - } - } - }; - - /** - * Allocate or generate an SVG element if needed. Store a reference to it in the JSON container and draw it in the svgContainer - * the JSON container and the SVG container have to be supplied so other svg containers (like the legend) can use this. - * - * @param elementType - * @param JSONcontainer - * @param svgContainer - * @returns {*} - * @private - */ - exports.getSVGElement = function (elementType, JSONcontainer, svgContainer) { - var element; - // allocate SVG element, if it doesnt yet exist, create one. - if (JSONcontainer.hasOwnProperty(elementType)) { // this element has been created before - // check if there is an redundant element - if (JSONcontainer[elementType].redundant.length > 0) { - element = JSONcontainer[elementType].redundant[0]; - JSONcontainer[elementType].redundant.shift(); - } - else { - // create a new element and add it to the SVG - element = document.createElementNS('http://www.w3.org/2000/svg', elementType); - svgContainer.appendChild(element); - } - } - else { - // create a new element and add it to the SVG, also create a new object in the svgElements to keep track of it. - element = document.createElementNS('http://www.w3.org/2000/svg', elementType); - JSONcontainer[elementType] = {used: [], redundant: []}; - svgContainer.appendChild(element); - } - JSONcontainer[elementType].used.push(element); - return element; - }; - - - /** - * Allocate or generate an SVG element if needed. Store a reference to it in the JSON container and draw it in the svgContainer - * the JSON container and the SVG container have to be supplied so other svg containers (like the legend) can use this. - * - * @param elementType - * @param JSONcontainer - * @param DOMContainer - * @returns {*} - * @private - */ - exports.getDOMElement = function (elementType, JSONcontainer, DOMContainer, insertBefore) { - var element; - // allocate DOM element, if it doesnt yet exist, create one. - if (JSONcontainer.hasOwnProperty(elementType)) { // this element has been created before - // check if there is an redundant element - if (JSONcontainer[elementType].redundant.length > 0) { - element = JSONcontainer[elementType].redundant[0]; - JSONcontainer[elementType].redundant.shift(); - } - else { - // create a new element and add it to the SVG - element = document.createElement(elementType); - if (insertBefore !== undefined) { - DOMContainer.insertBefore(element, insertBefore); - } - else { - DOMContainer.appendChild(element); - } - } - } - else { - // create a new element and add it to the SVG, also create a new object in the svgElements to keep track of it. - element = document.createElement(elementType); - JSONcontainer[elementType] = {used: [], redundant: []}; - if (insertBefore !== undefined) { - DOMContainer.insertBefore(element, insertBefore); - } - else { - DOMContainer.appendChild(element); - } - } - JSONcontainer[elementType].used.push(element); - return element; - }; - - - - - /** - * draw a point object. this is a seperate function because it can also be called by the legend. - * The reason the JSONcontainer and the target SVG svgContainer have to be supplied is so the legend can use these functions - * as well. - * - * @param x - * @param y - * @param group - * @param JSONcontainer - * @param svgContainer - * @returns {*} - */ - exports.drawPoint = function(x, y, group, JSONcontainer, svgContainer) { - var point; - if (group.options.drawPoints.style == 'circle') { - point = exports.getSVGElement('circle',JSONcontainer,svgContainer); - point.setAttributeNS(null, "cx", x); - point.setAttributeNS(null, "cy", y); - point.setAttributeNS(null, "r", 0.5 * group.options.drawPoints.size); - } - else { - point = exports.getSVGElement('rect',JSONcontainer,svgContainer); - point.setAttributeNS(null, "x", x - 0.5*group.options.drawPoints.size); - point.setAttributeNS(null, "y", y - 0.5*group.options.drawPoints.size); - point.setAttributeNS(null, "width", group.options.drawPoints.size); - point.setAttributeNS(null, "height", group.options.drawPoints.size); - } - - if(group.options.drawPoints.styles !== undefined) { - point.setAttributeNS(null, "style", group.group.options.drawPoints.styles); - } - point.setAttributeNS(null, "class", group.className + " point"); - return point; - }; + // first check if moment.js is already loaded in the browser window, if so, + // use this instance. Else, load via commonjs. + module.exports = (typeof window !== 'undefined') && window['moment'] || __webpack_require__(3); - /** - * draw a bar SVG element centered on the X coordinate - * - * @param x - * @param y - * @param className - */ - exports.drawBar = function (x, y, width, height, className, JSONcontainer, svgContainer) { - if (height != 0) { - if (height < 0) { - height *= -1; - y -= height; - } - var rect = exports.getSVGElement('rect',JSONcontainer, svgContainer); - rect.setAttributeNS(null, "x", x - 0.5 * width); - rect.setAttributeNS(null, "y", y); - rect.setAttributeNS(null, "width", width); - rect.setAttributeNS(null, "height", height); - rect.setAttributeNS(null, "class", className); - } - }; /***/ }, /* 3 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var Queue = __webpack_require__(5); - - /** - * DataSet - * - * Usage: - * var dataSet = new DataSet({ - * fieldId: '_id', - * type: { - * // ... - * } - * }); - * - * dataSet.add(item); - * dataSet.add(data); - * dataSet.update(item); - * dataSet.update(data); - * dataSet.remove(id); - * dataSet.remove(ids); - * var data = dataSet.get(); - * var data = dataSet.get(id); - * var data = dataSet.get(ids); - * var data = dataSet.get(ids, options, data); - * dataSet.clear(); - * - * A data set can: - * - add/remove/update data - * - gives triggers upon changes in the data - * - can import/export data in various data formats - * - * @param {Array | DataTable} [data] Optional array with initial data - * @param {Object} [options] Available options: - * {String} fieldId Field name of the id in the - * items, 'id' by default. - * {Object. ['10', '00'] or '-1530' > ['-', '15', '30'] + parseTimezoneChunker = /([\+\-]|\d\d)/gi, - /** - * Update existing items. When an item does not exist, it will be created - * @param {Object | Array | DataTable} data - * @param {String} [senderId] Optional sender id - * @return {Array} updatedIds The ids of the added or updated items - */ - DataSet.prototype.update = function (data, senderId) { - var addedIds = []; - var updatedIds = []; - var updatedData = []; - var me = this; - var fieldId = me._fieldId; + // getter and setter names + proxyGettersAndSetters = 'Date|Hours|Minutes|Seconds|Milliseconds'.split('|'), + unitMillisecondFactors = { + 'Milliseconds' : 1, + 'Seconds' : 1e3, + 'Minutes' : 6e4, + 'Hours' : 36e5, + 'Days' : 864e5, + 'Months' : 2592e6, + 'Years' : 31536e6 + }, - var addOrUpdate = function (item) { - var id = item[fieldId]; - if (me._data[id]) { - // update item - id = me._updateItem(item); - updatedIds.push(id); - updatedData.push(item); - } - else { - // add new item - id = me._addItem(item); - addedIds.push(id); - } - }; - - if (Array.isArray(data)) { - // Array - for (var i = 0, len = data.length; i < len; i++) { - addOrUpdate(data[i]); - } - } - else if (util.isDataTable(data)) { - // Google DataTable - var columns = this._getColumnNames(data); - for (var row = 0, rows = data.getNumberOfRows(); row < rows; row++) { - var item = {}; - for (var col = 0, cols = columns.length; col < cols; col++) { - var field = columns[col]; - item[field] = data.getValue(row, col); - } - - addOrUpdate(item); - } - } - else if (data instanceof Object) { - // Single item - addOrUpdate(data); - } - else { - throw new Error('Unknown dataType'); - } - - if (addedIds.length) { - this._trigger('add', {items: addedIds}, senderId); - } - if (updatedIds.length) { - this._trigger('update', {items: updatedIds, data: updatedData}, senderId); - } - - return addedIds.concat(updatedIds); - }; - - /** - * Get a data item or multiple items. - * - * Usage: - * - * get() - * get(options: Object) - * get(options: Object, data: Array | DataTable) - * - * get(id: Number | String) - * get(id: Number | String, options: Object) - * get(id: Number | String, options: Object, data: Array | DataTable) - * - * get(ids: Number[] | String[]) - * get(ids: Number[] | String[], options: Object) - * get(ids: Number[] | String[], options: Object, data: Array | DataTable) - * - * Where: - * - * {Number | String} id The id of an item - * {Number[] | String{}} ids An array with ids of items - * {Object} options An Object with options. Available options: - * {String} [returnType] Type of data to be - * returned. Can be 'DataTable' or 'Array' (default) - * {Object.} [type] - * {String[]} [fields] field names to be returned - * {function} [filter] filter items - * {String | function} [order] Order the items by - * a field name or custom sort function. - * {Array | DataTable} [data] If provided, items will be appended to this - * array or table. Required in case of Google - * DataTable. - * - * @throws Error - */ - DataSet.prototype.get = function (args) { - var me = this; - - // parse the arguments - var id, ids, options, data; - var firstType = util.getType(arguments[0]); - if (firstType == 'String' || firstType == 'Number') { - // get(id [, options] [, data]) - id = arguments[0]; - options = arguments[1]; - data = arguments[2]; - } - else if (firstType == 'Array') { - // get(ids [, options] [, data]) - ids = arguments[0]; - options = arguments[1]; - data = arguments[2]; - } - else { - // get([, options] [, data]) - options = arguments[0]; - data = arguments[1]; - } - - // determine the return type - var returnType; - if (options && options.returnType) { - var allowedValues = ["DataTable", "Array", "Object"]; - returnType = allowedValues.indexOf(options.returnType) == -1 ? "Array" : options.returnType; - - if (data && (returnType != util.getType(data))) { - throw new Error('Type of parameter "data" (' + util.getType(data) + ') ' + - 'does not correspond with specified options.type (' + options.type + ')'); - } - if (returnType == 'DataTable' && !util.isDataTable(data)) { - throw new Error('Parameter "data" must be a DataTable ' + - 'when options.type is "DataTable"'); - } - } - else if (data) { - returnType = (util.getType(data) == 'DataTable') ? 'DataTable' : 'Array'; - } - else { - returnType = 'Array'; - } - - // build options - var type = options && options.type || this._options.type; - var filter = options && options.filter; - var items = [], item, itemId, i, len; - - // convert items - if (id != undefined) { - // return a single item - item = me._getItem(id, type); - if (filter && !filter(item)) { - item = null; - } - } - else if (ids != undefined) { - // return a subset of items - for (i = 0, len = ids.length; i < len; i++) { - item = me._getItem(ids[i], type); - if (!filter || filter(item)) { - items.push(item); - } - } - } - else { - // return all items - for (itemId in this._data) { - if (this._data.hasOwnProperty(itemId)) { - item = me._getItem(itemId, type); - if (!filter || filter(item)) { - items.push(item); - } - } - } - } - - // order the results - if (options && options.order && id == undefined) { - this._sort(items, options.order); - } - - // filter fields of the items - if (options && options.fields) { - var fields = options.fields; - if (id != undefined) { - item = this._filterFields(item, fields); - } - else { - for (i = 0, len = items.length; i < len; i++) { - items[i] = this._filterFields(items[i], fields); - } - } - } - - // return the results - if (returnType == 'DataTable') { - var columns = this._getColumnNames(data); - if (id != undefined) { - // append a single item to the data table - me._appendRow(data, columns, item); - } - else { - // copy the items to the provided data table - for (i = 0; i < items.length; i++) { - me._appendRow(data, columns, items[i]); - } - } - return data; - } - else if (returnType == "Object") { - var result = {}; - for (i = 0; i < items.length; i++) { - result[items[i].id] = items[i]; - } - return result; - } - else { - // return an array - if (id != undefined) { - // a single item - return item; - } - else { - // multiple items - if (data) { - // copy the items to the provided array - for (i = 0, len = items.length; i < len; i++) { - data.push(items[i]); - } - return data; - } - else { - // just return our array - return items; - } - } - } - }; - - /** - * Get ids of all items or from a filtered set of items. - * @param {Object} [options] An Object with options. Available options: - * {function} [filter] filter items - * {String | function} [order] Order the items by - * a field name or custom sort function. - * @return {Array} ids - */ - DataSet.prototype.getIds = function (options) { - var data = this._data, - filter = options && options.filter, - order = options && options.order, - type = options && options.type || this._options.type, - i, - len, - id, - item, - items, - ids = []; - - if (filter) { - // get filtered items - if (order) { - // create ordered list - items = []; - for (id in data) { - if (data.hasOwnProperty(id)) { - item = this._getItem(id, type); - if (filter(item)) { - items.push(item); - } - } - } - - this._sort(items, order); - - for (i = 0, len = items.length; i < len; i++) { - ids[i] = items[i][this._fieldId]; - } - } - else { - // create unordered list - for (id in data) { - if (data.hasOwnProperty(id)) { - item = this._getItem(id, type); - if (filter(item)) { - ids.push(item[this._fieldId]); - } - } - } - } - } - else { - // get all items - if (order) { - // create an ordered list - items = []; - for (id in data) { - if (data.hasOwnProperty(id)) { - items.push(data[id]); - } - } - - this._sort(items, order); - - for (i = 0, len = items.length; i < len; i++) { - ids[i] = items[i][this._fieldId]; - } - } - else { - // create unordered list - for (id in data) { - if (data.hasOwnProperty(id)) { - item = data[id]; - ids.push(item[this._fieldId]); - } - } - } - } - - return ids; - }; - - /** - * Returns the DataSet itself. Is overwritten for example by the DataView, - * which returns the DataSet it is connected to instead. - */ - DataSet.prototype.getDataSet = function () { - return this; - }; - - /** - * Execute a callback function for every item in the dataset. - * @param {function} callback - * @param {Object} [options] Available options: - * {Object.} [type] - * {String[]} [fields] filter fields - * {function} [filter] filter items - * {String | function} [order] Order the items by - * a field name or custom sort function. - */ - DataSet.prototype.forEach = function (callback, options) { - var filter = options && options.filter, - type = options && options.type || this._options.type, - data = this._data, - item, - id; - - if (options && options.order) { - // execute forEach on ordered list - var items = this.get(options); - - for (var i = 0, len = items.length; i < len; i++) { - item = items[i]; - id = item[this._fieldId]; - callback(item, id); - } - } - else { - // unordered - for (id in data) { - if (data.hasOwnProperty(id)) { - item = this._getItem(id, type); - if (!filter || filter(item)) { - callback(item, id); - } - } - } - } - }; - - /** - * Map every item in the dataset. - * @param {function} callback - * @param {Object} [options] Available options: - * {Object.} [type] - * {String[]} [fields] filter fields - * {function} [filter] filter items - * {String | function} [order] Order the items by - * a field name or custom sort function. - * @return {Object[]} mappedItems - */ - DataSet.prototype.map = function (callback, options) { - var filter = options && options.filter, - type = options && options.type || this._options.type, - mappedItems = [], - data = this._data, - item; - - // convert and filter items - for (var id in data) { - if (data.hasOwnProperty(id)) { - item = this._getItem(id, type); - if (!filter || filter(item)) { - mappedItems.push(callback(item, id)); - } - } - } - - // order items - if (options && options.order) { - this._sort(mappedItems, options.order); - } - - return mappedItems; - }; - - /** - * Filter the fields of an item - * @param {Object} item - * @param {String[]} fields Field names - * @return {Object} filteredItem - * @private - */ - DataSet.prototype._filterFields = function (item, fields) { - var filteredItem = {}; - - for (var field in item) { - if (item.hasOwnProperty(field) && (fields.indexOf(field) != -1)) { - filteredItem[field] = item[field]; - } - } - - return filteredItem; - }; - - /** - * Sort the provided array with items - * @param {Object[]} items - * @param {String | function} order A field name or custom sort function. - * @private - */ - DataSet.prototype._sort = function (items, order) { - if (util.isString(order)) { - // order by provided field name - var name = order; // field name - items.sort(function (a, b) { - var av = a[name]; - var bv = b[name]; - return (av > bv) ? 1 : ((av < bv) ? -1 : 0); - }); - } - else if (typeof order === 'function') { - // order by sort function - items.sort(order); - } - // TODO: extend order by an Object {field:String, direction:String} - // where direction can be 'asc' or 'desc' - else { - throw new TypeError('Order must be a function or a string'); - } - }; - - /** - * Remove an object by pointer or by id - * @param {String | Number | Object | Array} id Object or id, or an array with - * objects or ids to be removed - * @param {String} [senderId] Optional sender id - * @return {Array} removedIds - */ - DataSet.prototype.remove = function (id, senderId) { - var removedIds = [], - i, len, removedId; - - if (Array.isArray(id)) { - for (i = 0, len = id.length; i < len; i++) { - removedId = this._remove(id[i]); - if (removedId != null) { - removedIds.push(removedId); - } - } - } - else { - removedId = this._remove(id); - if (removedId != null) { - removedIds.push(removedId); - } - } - - if (removedIds.length) { - this._trigger('remove', {items: removedIds}, senderId); - } - - return removedIds; - }; - - /** - * Remove an item by its id - * @param {Number | String | Object} id id or item - * @returns {Number | String | null} id - * @private - */ - DataSet.prototype._remove = function (id) { - if (util.isNumber(id) || util.isString(id)) { - if (this._data[id]) { - delete this._data[id]; - return id; - } - } - else if (id instanceof Object) { - var itemId = id[this._fieldId]; - if (itemId && this._data[itemId]) { - delete this._data[itemId]; - return itemId; - } - } - return null; - }; - - /** - * Clear the data - * @param {String} [senderId] Optional sender id - * @return {Array} removedIds The ids of all removed items - */ - DataSet.prototype.clear = function (senderId) { - var ids = Object.keys(this._data); - - this._data = {}; - - this._trigger('remove', {items: ids}, senderId); - - return ids; - }; - - /** - * Find the item with maximum value of a specified field - * @param {String} field - * @return {Object | null} item Item containing max value, or null if no items - */ - DataSet.prototype.max = function (field) { - var data = this._data, - max = null, - maxField = null; - - for (var id in data) { - if (data.hasOwnProperty(id)) { - var item = data[id]; - var itemField = item[field]; - if (itemField != null && (!max || itemField > maxField)) { - max = item; - maxField = itemField; - } - } - } - - return max; - }; - - /** - * Find the item with minimum value of a specified field - * @param {String} field - * @return {Object | null} item Item containing max value, or null if no items - */ - DataSet.prototype.min = function (field) { - var data = this._data, - min = null, - minField = null; - - for (var id in data) { - if (data.hasOwnProperty(id)) { - var item = data[id]; - var itemField = item[field]; - if (itemField != null && (!min || itemField < minField)) { - min = item; - minField = itemField; - } - } - } - - return min; - }; - - /** - * Find all distinct values of a specified field - * @param {String} field - * @return {Array} values Array containing all distinct values. If data items - * do not contain the specified field are ignored. - * The returned array is unordered. - */ - DataSet.prototype.distinct = function (field) { - var data = this._data; - var values = []; - var fieldType = this._options.type && this._options.type[field] || null; - var count = 0; - var i; - - for (var prop in data) { - if (data.hasOwnProperty(prop)) { - var item = data[prop]; - var value = item[field]; - var exists = false; - for (i = 0; i < count; i++) { - if (values[i] == value) { - exists = true; - break; - } - } - if (!exists && (value !== undefined)) { - values[count] = value; - count++; - } - } - } - - if (fieldType) { - for (i = 0; i < values.length; i++) { - values[i] = util.convert(values[i], fieldType); - } - } - - return values; - }; - - /** - * Add a single item. Will fail when an item with the same id already exists. - * @param {Object} item - * @return {String} id - * @private - */ - DataSet.prototype._addItem = function (item) { - var id = item[this._fieldId]; - - if (id != undefined) { - // check whether this id is already taken - if (this._data[id]) { - // item already exists - throw new Error('Cannot add item: item with id ' + id + ' already exists'); - } - } - else { - // generate an id - id = util.randomUUID(); - item[this._fieldId] = id; - } - - var d = {}; - for (var field in item) { - if (item.hasOwnProperty(field)) { - var fieldType = this._type[field]; // type may be undefined - d[field] = util.convert(item[field], fieldType); - } - } - this._data[id] = d; - - return id; - }; - - /** - * Get an item. Fields can be converted to a specific type - * @param {String} id - * @param {Object.} [types] field types to convert - * @return {Object | null} item - * @private - */ - DataSet.prototype._getItem = function (id, types) { - var field, value; - - // get the item from the dataset - var raw = this._data[id]; - if (!raw) { - return null; - } - - // convert the items field types - var converted = {}; - if (types) { - for (field in raw) { - if (raw.hasOwnProperty(field)) { - value = raw[field]; - converted[field] = util.convert(value, types[field]); - } - } - } - else { - // no field types specified, no converting needed - for (field in raw) { - if (raw.hasOwnProperty(field)) { - value = raw[field]; - converted[field] = value; - } - } - } - return converted; - }; - - /** - * Update a single item: merge with existing item. - * Will fail when the item has no id, or when there does not exist an item - * with the same id. - * @param {Object} item - * @return {String} id - * @private - */ - DataSet.prototype._updateItem = function (item) { - var id = item[this._fieldId]; - if (id == undefined) { - throw new Error('Cannot update item: item has no id (item: ' + JSON.stringify(item) + ')'); - } - var d = this._data[id]; - if (!d) { - // item doesn't exist - throw new Error('Cannot update item: no item with id ' + id + ' found'); - } - - // merge with current item - for (var field in item) { - if (item.hasOwnProperty(field)) { - var fieldType = this._type[field]; // type may be undefined - d[field] = util.convert(item[field], fieldType); - } - } - - return id; - }; - - /** - * Get an array with the column names of a Google DataTable - * @param {DataTable} dataTable - * @return {String[]} columnNames - * @private - */ - DataSet.prototype._getColumnNames = function (dataTable) { - var columns = []; - for (var col = 0, cols = dataTable.getNumberOfColumns(); col < cols; col++) { - columns[col] = dataTable.getColumnId(col) || dataTable.getColumnLabel(col); - } - return columns; - }; - - /** - * Append an item as a row to the dataTable - * @param dataTable - * @param columns - * @param item - * @private - */ - DataSet.prototype._appendRow = function (dataTable, columns, item) { - var row = dataTable.addRow(); - - for (var col = 0, cols = columns.length; col < cols; col++) { - var field = columns[col]; - dataTable.setValue(row, col, item[field]); - } - }; - - module.exports = DataSet; - - -/***/ }, -/* 4 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var DataSet = __webpack_require__(3); - - /** - * DataView - * - * a dataview offers a filtered view on a dataset or an other dataview. - * - * @param {DataSet | DataView} data - * @param {Object} [options] Available options: see method get - * - * @constructor DataView - */ - function DataView (data, options) { - this._data = null; - this._ids = {}; // ids of the items currently in memory (just contains a boolean true) - this._options = options || {}; - this._fieldId = 'id'; // name of the field containing id - this._subscribers = {}; // event subscribers - - var me = this; - this.listener = function () { - me._onEvent.apply(me, arguments); - }; - - this.setData(data); - } - - // TODO: implement a function .config() to dynamically update things like configured filter - // and trigger changes accordingly - - /** - * Set a data source for the view - * @param {DataSet | DataView} data - */ - DataView.prototype.setData = function (data) { - var ids, i, len; - - if (this._data) { - // unsubscribe from current dataset - if (this._data.unsubscribe) { - this._data.unsubscribe('*', this.listener); - } - - // trigger a remove of all items in memory - ids = []; - for (var id in this._ids) { - if (this._ids.hasOwnProperty(id)) { - ids.push(id); - } - } - this._ids = {}; - this._trigger('remove', {items: ids}); - } - - this._data = data; - - if (this._data) { - // update fieldId - this._fieldId = this._options.fieldId || - (this._data && this._data.options && this._data.options.fieldId) || - 'id'; - - // trigger an add of all added items - ids = this._data.getIds({filter: this._options && this._options.filter}); - for (i = 0, len = ids.length; i < len; i++) { - id = ids[i]; - this._ids[id] = true; - } - this._trigger('add', {items: ids}); - - // subscribe to new dataset - if (this._data.on) { - this._data.on('*', this.listener); - } - } - }; - - /** - * Get data from the data view - * - * Usage: - * - * get() - * get(options: Object) - * get(options: Object, data: Array | DataTable) - * - * get(id: Number) - * get(id: Number, options: Object) - * get(id: Number, options: Object, data: Array | DataTable) - * - * get(ids: Number[]) - * get(ids: Number[], options: Object) - * get(ids: Number[], options: Object, data: Array | DataTable) - * - * Where: - * - * {Number | String} id The id of an item - * {Number[] | String{}} ids An array with ids of items - * {Object} options An Object with options. Available options: - * {String} [type] Type of data to be returned. Can - * be 'DataTable' or 'Array' (default) - * {Object.} [convert] - * {String[]} [fields] field names to be returned - * {function} [filter] filter items - * {String | function} [order] Order the items by - * a field name or custom sort function. - * {Array | DataTable} [data] If provided, items will be appended to this - * array or table. Required in case of Google - * DataTable. - * @param args - */ - DataView.prototype.get = function (args) { - var me = this; - - // parse the arguments - var ids, options, data; - var firstType = util.getType(arguments[0]); - if (firstType == 'String' || firstType == 'Number' || firstType == 'Array') { - // get(id(s) [, options] [, data]) - ids = arguments[0]; // can be a single id or an array with ids - options = arguments[1]; - data = arguments[2]; - } - else { - // get([, options] [, data]) - options = arguments[0]; - data = arguments[1]; - } - - // extend the options with the default options and provided options - var viewOptions = util.extend({}, this._options, options); - - // create a combined filter method when needed - if (this._options.filter && options && options.filter) { - viewOptions.filter = function (item) { - return me._options.filter(item) && options.filter(item); - } - } - - // build up the call to the linked data set - var getArguments = []; - if (ids != undefined) { - getArguments.push(ids); - } - getArguments.push(viewOptions); - getArguments.push(data); - - return this._data && this._data.get.apply(this._data, getArguments); - }; - - /** - * Get ids of all items or from a filtered set of items. - * @param {Object} [options] An Object with options. Available options: - * {function} [filter] filter items - * {String | function} [order] Order the items by - * a field name or custom sort function. - * @return {Array} ids - */ - DataView.prototype.getIds = function (options) { - var ids; - - if (this._data) { - var defaultFilter = this._options.filter; - var filter; - - if (options && options.filter) { - if (defaultFilter) { - filter = function (item) { - return defaultFilter(item) && options.filter(item); - } - } - else { - filter = options.filter; - } - } - else { - filter = defaultFilter; - } - - ids = this._data.getIds({ - filter: filter, - order: options && options.order - }); - } - else { - ids = []; - } - - return ids; - }; - - /** - * Get the DataSet to which this DataView is connected. In case there is a chain - * of multiple DataViews, the root DataSet of this chain is returned. - * @return {DataSet} dataSet - */ - DataView.prototype.getDataSet = function () { - var dataSet = this; - while (dataSet instanceof DataView) { - dataSet = dataSet._data; - } - return dataSet || null; - }; - - /** - * Event listener. Will propagate all events from the connected data set to - * the subscribers of the DataView, but will filter the items and only trigger - * when there are changes in the filtered data set. - * @param {String} event - * @param {Object | null} params - * @param {String} senderId - * @private - */ - DataView.prototype._onEvent = function (event, params, senderId) { - var i, len, id, item, - ids = params && params.items, - data = this._data, - added = [], - updated = [], - removed = []; - - if (ids && data) { - switch (event) { - case 'add': - // filter the ids of the added items - for (i = 0, len = ids.length; i < len; i++) { - id = ids[i]; - item = this.get(id); - if (item) { - this._ids[id] = true; - added.push(id); - } - } - - break; - - case 'update': - // determine the event from the views viewpoint: an updated - // item can be added, updated, or removed from this view. - for (i = 0, len = ids.length; i < len; i++) { - id = ids[i]; - item = this.get(id); - - if (item) { - if (this._ids[id]) { - updated.push(id); - } - else { - this._ids[id] = true; - added.push(id); - } - } - else { - if (this._ids[id]) { - delete this._ids[id]; - removed.push(id); - } - else { - // nothing interesting for me :-( - } - } - } - - break; - - case 'remove': - // filter the ids of the removed items - for (i = 0, len = ids.length; i < len; i++) { - id = ids[i]; - if (this._ids[id]) { - delete this._ids[id]; - removed.push(id); - } - } - - break; - } - - if (added.length) { - this._trigger('add', {items: added}, senderId); - } - if (updated.length) { - this._trigger('update', {items: updated}, senderId); - } - if (removed.length) { - this._trigger('remove', {items: removed}, senderId); - } - } - }; - - // copy subscription functionality from DataSet - DataView.prototype.on = DataSet.prototype.on; - DataView.prototype.off = DataSet.prototype.off; - DataView.prototype._trigger = DataSet.prototype._trigger; - - // TODO: make these functions deprecated (replaced with `on` and `off` since version 0.5) - DataView.prototype.subscribe = DataView.prototype.on; - DataView.prototype.unsubscribe = DataView.prototype.off; - - module.exports = DataView; - -/***/ }, -/* 5 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * A queue - * @param {Object} options - * Available options: - * - delay: number When provided, the queue will be flushed - * automatically after an inactivity of this delay - * in milliseconds. - * Default value is null. - * - max: number When the queue exceeds the given maximum number - * of entries, the queue is flushed automatically. - * Default value of max is Infinity. - * @constructor - */ - function Queue(options) { - // options - this.delay = null; - this.max = Infinity; - - // properties - this._queue = []; - this._timeout = null; - this._extended = null; - - this.setOptions(options); - } - - /** - * Update the configuration of the queue - * @param {Object} options - * Available options: - * - delay: number When provided, the queue will be flushed - * automatically after an inactivity of this delay - * in milliseconds. - * Default value is null. - * - max: number When the queue exceeds the given maximum number - * of entries, the queue is flushed automatically. - * Default value of max is Infinity. - * @param options - */ - Queue.prototype.setOptions = function (options) { - if (options && typeof options.delay !== 'undefined') { - this.delay = options.delay; - } - if (options && typeof options.max !== 'undefined') { - this.max = options.max; - } - - this._flushIfNeeded(); - }; - - /** - * Extend an object with queuing functionality. - * The object will be extended with a function flush, and the methods provided - * in options.replace will be replaced with queued ones. - * @param {Object} object - * @param {Object} options - * Available options: - * - replace: Array. - * A list with method names of the methods - * on the object to be replaced with queued ones. - * - delay: number When provided, the queue will be flushed - * automatically after an inactivity of this delay - * in milliseconds. - * Default value is null. - * - max: number When the queue exceeds the given maximum number - * of entries, the queue is flushed automatically. - * Default value of max is Infinity. - * @return {Queue} Returns the created queue - */ - Queue.extend = function (object, options) { - var queue = new Queue(options); - - if (object.flush !== undefined) { - throw new Error('Target object already has a property flush'); - } - object.flush = function () { - queue.flush(); - }; - - var methods = [{ - name: 'flush', - original: undefined - }]; - - if (options && options.replace) { - for (var i = 0; i < options.replace.length; i++) { - var name = options.replace[i]; - methods.push({ - name: name, - original: object[name] - }); - queue.replace(object, name); - } - } - - queue._extended = { - object: object, - methods: methods - }; - - return queue; - }; - - /** - * Destroy the queue. The queue will first flush all queued actions, and in - * case it has extended an object, will restore the original object. - */ - Queue.prototype.destroy = function () { - this.flush(); - - if (this._extended) { - var object = this._extended.object; - var methods = this._extended.methods; - for (var i = 0; i < methods.length; i++) { - var method = methods[i]; - if (method.original) { - object[method.name] = method.original; - } - else { - delete object[method.name]; - } - } - this._extended = null; - } - }; - - /** - * Replace a method on an object with a queued version - * @param {Object} object Object having the method - * @param {string} method The method name - */ - Queue.prototype.replace = function(object, method) { - var me = this; - var original = object[method]; - if (!original) { - throw new Error('Method ' + method + ' undefined'); - } - - object[method] = function () { - // create an Array with the arguments - var args = []; - for (var i = 0; i < arguments.length; i++) { - args[i] = arguments[i]; - } - - // add this call to the queue - me.queue({ - args: args, - fn: original, - context: this - }); - }; - }; - - /** - * Queue a call - * @param {function | {fn: function, args: Array} | {fn: function, args: Array, context: Object}} entry - */ - Queue.prototype.queue = function(entry) { - if (typeof entry === 'function') { - this._queue.push({fn: entry}); - } - else { - this._queue.push(entry); - } - - this._flushIfNeeded(); - }; - - /** - * Check whether the queue needs to be flushed - * @private - */ - Queue.prototype._flushIfNeeded = function () { - // flush when the maximum is exceeded. - if (this._queue.length > this.max) { - this.flush(); - } - - // flush after a period of inactivity when a delay is configured - clearTimeout(this._timeout); - if (this.queue.length > 0 && typeof this.delay === 'number') { - var me = this; - this._timeout = setTimeout(function () { - me.flush(); - }, this.delay); - } - }; - - /** - * Flush all queued calls - */ - Queue.prototype.flush = function () { - while (this._queue.length > 0) { - var entry = this._queue.shift(); - entry.fn.apply(entry.context || entry.fn, entry.args || []); - } - }; - - module.exports = Queue; - - -/***/ }, -/* 6 */ -/***/ function(module, exports, __webpack_require__) { - - var Emitter = __webpack_require__(56); - var DataSet = __webpack_require__(3); - var DataView = __webpack_require__(4); - var util = __webpack_require__(1); - var Point3d = __webpack_require__(10); - var Point2d = __webpack_require__(9); - var Camera = __webpack_require__(7); - var Filter = __webpack_require__(8); - var Slider = __webpack_require__(11); - var StepNumber = __webpack_require__(12); - - /** - * @constructor Graph3d - * Graph3d displays data in 3d. - * - * Graph3d is developed in javascript as a Google Visualization Chart. - * - * @param {Element} container The DOM element in which the Graph3d will - * be created. Normally a div element. - * @param {DataSet | DataView | Array} [data] - * @param {Object} [options] - */ - function Graph3d(container, data, options) { - if (!(this instanceof Graph3d)) { - throw new SyntaxError('Constructor must be called with the new operator'); - } - - // create variables and set default values - this.containerElement = container; - this.width = '400px'; - this.height = '400px'; - this.margin = 10; // px - this.defaultXCenter = '55%'; - this.defaultYCenter = '50%'; - - this.xLabel = 'x'; - this.yLabel = 'y'; - this.zLabel = 'z'; - - var passValueFn = function(v) { return v; }; - this.xValueLabel = passValueFn; - this.yValueLabel = passValueFn; - this.zValueLabel = passValueFn; - - this.filterLabel = 'time'; - this.legendLabel = 'value'; - - this.style = Graph3d.STYLE.DOT; - this.showPerspective = true; - this.showGrid = true; - this.keepAspectRatio = true; - this.showShadow = false; - this.showGrayBottom = false; // TODO: this does not work correctly - this.showTooltip = false; - this.verticalRatio = 0.5; // 0.1 to 1.0, where 1.0 results in a 'cube' - - this.animationInterval = 1000; // milliseconds - this.animationPreload = false; - - this.camera = new Camera(); - this.eye = new Point3d(0, 0, -1); // TODO: set eye.z about 3/4 of the width of the window? - - this.dataTable = null; // The original data table - this.dataPoints = null; // The table with point objects - - // the column indexes - this.colX = undefined; - this.colY = undefined; - this.colZ = undefined; - this.colValue = undefined; - this.colFilter = undefined; - - this.xMin = 0; - this.xStep = undefined; // auto by default - this.xMax = 1; - this.yMin = 0; - this.yStep = undefined; // auto by default - this.yMax = 1; - this.zMin = 0; - this.zStep = undefined; // auto by default - this.zMax = 1; - this.valueMin = 0; - this.valueMax = 1; - this.xBarWidth = 1; - this.yBarWidth = 1; - // TODO: customize axis range - - // constants - this.colorAxis = '#4D4D4D'; - this.colorGrid = '#D3D3D3'; - this.colorDot = '#7DC1FF'; - this.colorDotBorder = '#3267D2'; + unitAliases = { + ms : 'millisecond', + s : 'second', + m : 'minute', + h : 'hour', + d : 'day', + D : 'date', + w : 'week', + W : 'isoWeek', + M : 'month', + Q : 'quarter', + y : 'year', + DDD : 'dayOfYear', + e : 'weekday', + E : 'isoWeekday', + gg: 'weekYear', + GG: 'isoWeekYear' + }, - // create a frame and canvas - this.create(); + camelFunctions = { + dayofyear : 'dayOfYear', + isoweekday : 'isoWeekday', + isoweek : 'isoWeek', + weekyear : 'weekYear', + isoweekyear : 'isoWeekYear' + }, - // apply options (also when undefined) - this.setOptions(options); + // format function strings + formatFunctions = {}, - // apply data - if (data) { - this.setData(data); - } - } + // default relative time thresholds + relativeTimeThresholds = { + s: 45, // seconds to minute + m: 45, // minutes to hour + h: 22, // hours to day + d: 26, // days to month + M: 11 // months to year + }, - // Extend Graph3d with an Emitter mixin - Emitter(Graph3d.prototype); + // tokens to ordinalize and pad + ordinalizeTokens = 'DDD w W M D d'.split(' '), + paddedTokens = 'M D H h m s w W'.split(' '), - /** - * Calculate the scaling values, dependent on the range in x, y, and z direction - */ - Graph3d.prototype._setScale = function() { - this.scale = new Point3d(1 / (this.xMax - this.xMin), - 1 / (this.yMax - this.yMin), - 1 / (this.zMax - this.zMin)); + formatTokenFunctions = { + M : function () { + return this.month() + 1; + }, + MMM : function (format) { + return this.localeData().monthsShort(this, format); + }, + MMMM : function (format) { + return this.localeData().months(this, format); + }, + D : function () { + return this.date(); + }, + DDD : function () { + return this.dayOfYear(); + }, + d : function () { + return this.day(); + }, + dd : function (format) { + return this.localeData().weekdaysMin(this, format); + }, + ddd : function (format) { + return this.localeData().weekdaysShort(this, format); + }, + dddd : function (format) { + return this.localeData().weekdays(this, format); + }, + w : function () { + return this.week(); + }, + W : function () { + return this.isoWeek(); + }, + YY : function () { + return leftZeroFill(this.year() % 100, 2); + }, + YYYY : function () { + return leftZeroFill(this.year(), 4); + }, + YYYYY : function () { + return leftZeroFill(this.year(), 5); + }, + YYYYYY : function () { + var y = this.year(), sign = y >= 0 ? '+' : '-'; + return sign + leftZeroFill(Math.abs(y), 6); + }, + gg : function () { + return leftZeroFill(this.weekYear() % 100, 2); + }, + gggg : function () { + return leftZeroFill(this.weekYear(), 4); + }, + ggggg : function () { + return leftZeroFill(this.weekYear(), 5); + }, + GG : function () { + return leftZeroFill(this.isoWeekYear() % 100, 2); + }, + GGGG : function () { + return leftZeroFill(this.isoWeekYear(), 4); + }, + GGGGG : function () { + return leftZeroFill(this.isoWeekYear(), 5); + }, + e : function () { + return this.weekday(); + }, + E : function () { + return this.isoWeekday(); + }, + a : function () { + return this.localeData().meridiem(this.hours(), this.minutes(), true); + }, + A : function () { + return this.localeData().meridiem(this.hours(), this.minutes(), false); + }, + H : function () { + return this.hours(); + }, + h : function () { + return this.hours() % 12 || 12; + }, + m : function () { + return this.minutes(); + }, + s : function () { + return this.seconds(); + }, + S : function () { + return toInt(this.milliseconds() / 100); + }, + SS : function () { + return leftZeroFill(toInt(this.milliseconds() / 10), 2); + }, + SSS : function () { + return leftZeroFill(this.milliseconds(), 3); + }, + SSSS : function () { + return leftZeroFill(this.milliseconds(), 3); + }, + Z : function () { + var a = this.utcOffset(), + b = '+'; + if (a < 0) { + a = -a; + b = '-'; + } + return b + leftZeroFill(toInt(a / 60), 2) + ':' + leftZeroFill(toInt(a) % 60, 2); + }, + ZZ : function () { + var a = this.utcOffset(), + b = '+'; + if (a < 0) { + a = -a; + b = '-'; + } + return b + leftZeroFill(toInt(a / 60), 2) + leftZeroFill(toInt(a) % 60, 2); + }, + z : function () { + return this.zoneAbbr(); + }, + zz : function () { + return this.zoneName(); + }, + x : function () { + return this.valueOf(); + }, + X : function () { + return this.unix(); + }, + Q : function () { + return this.quarter(); + } + }, - // keep aspect ration between x and y scale if desired - if (this.keepAspectRatio) { - if (this.scale.x < this.scale.y) { - //noinspection JSSuspiciousNameCombination - this.scale.y = this.scale.x; - } - else { - //noinspection JSSuspiciousNameCombination - this.scale.x = this.scale.y; - } - } + deprecations = {}, - // scale the vertical axis - this.scale.z *= this.verticalRatio; - // TODO: can this be automated? verticalRatio? + lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin'], - // determine scale for (optional) value - this.scale.value = 1 / (this.valueMax - this.valueMin); + updateInProgress = false; - // position the camera arm - var xCenter = (this.xMax + this.xMin) / 2 * this.scale.x; - var yCenter = (this.yMax + this.yMin) / 2 * this.scale.y; - var zCenter = (this.zMax + this.zMin) / 2 * this.scale.z; - this.camera.setArmLocation(xCenter, yCenter, zCenter); - }; + // Pick the first defined of two or three arguments. dfl comes from + // default. + function dfl(a, b, c) { + switch (arguments.length) { + case 2: return a != null ? a : b; + case 3: return a != null ? a : b != null ? b : c; + default: throw new Error('Implement me'); + } + } + function hasOwnProp(a, b) { + return hasOwnProperty.call(a, b); + } - /** - * Convert a 3D location to a 2D location on screen - * http://en.wikipedia.org/wiki/3D_projection - * @param {Point3d} point3d A 3D point with parameters x, y, z - * @return {Point2d} point2d A 2D point with parameters x, y - */ - Graph3d.prototype._convert3Dto2D = function(point3d) { - var translation = this._convertPointToTranslation(point3d); - return this._convertTranslationToScreen(translation); - }; + function defaultParsingFlags() { + // We need to deep clone this object, and es5 standard is not very + // helpful. + return { + empty : false, + unusedTokens : [], + unusedInput : [], + overflow : -2, + charsLeftOver : 0, + nullInput : false, + invalidMonth : null, + invalidFormat : false, + userInvalidated : false, + iso: false + }; + } - /** - * Convert a 3D location its translation seen from the camera - * http://en.wikipedia.org/wiki/3D_projection - * @param {Point3d} point3d A 3D point with parameters x, y, z - * @return {Point3d} translation A 3D point with parameters x, y, z This is - * the translation of the point, seen from the - * camera - */ - Graph3d.prototype._convertPointToTranslation = function(point3d) { - var ax = point3d.x * this.scale.x, - ay = point3d.y * this.scale.y, - az = point3d.z * this.scale.z, + function printMsg(msg) { + if (moment.suppressDeprecationWarnings === false && + typeof console !== 'undefined' && console.warn) { + console.warn('Deprecation warning: ' + msg); + } + } - cx = this.camera.getCameraLocation().x, - cy = this.camera.getCameraLocation().y, - cz = this.camera.getCameraLocation().z, + function deprecate(msg, fn) { + var firstTime = true; + return extend(function () { + if (firstTime) { + printMsg(msg); + firstTime = false; + } + return fn.apply(this, arguments); + }, fn); + } - // calculate angles - sinTx = Math.sin(this.camera.getCameraRotation().x), - cosTx = Math.cos(this.camera.getCameraRotation().x), - sinTy = Math.sin(this.camera.getCameraRotation().y), - cosTy = Math.cos(this.camera.getCameraRotation().y), - sinTz = Math.sin(this.camera.getCameraRotation().z), - cosTz = Math.cos(this.camera.getCameraRotation().z), + function deprecateSimple(name, msg) { + if (!deprecations[name]) { + printMsg(msg); + deprecations[name] = true; + } + } - // calculate translation - dx = cosTy * (sinTz * (ay - cy) + cosTz * (ax - cx)) - sinTy * (az - cz), - dy = sinTx * (cosTy * (az - cz) + sinTy * (sinTz * (ay - cy) + cosTz * (ax - cx))) + cosTx * (cosTz * (ay - cy) - sinTz * (ax-cx)), - dz = cosTx * (cosTy * (az - cz) + sinTy * (sinTz * (ay - cy) + cosTz * (ax - cx))) - sinTx * (cosTz * (ay - cy) - sinTz * (ax-cx)); + function padToken(func, count) { + return function (a) { + return leftZeroFill(func.call(this, a), count); + }; + } + function ordinalizeToken(func, period) { + return function (a) { + return this.localeData().ordinal(func.call(this, a), period); + }; + } - return new Point3d(dx, dy, dz); - }; + function monthDiff(a, b) { + // difference in months + var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()), + // b is in (anchor - 1 month, anchor + 1 month) + anchor = a.clone().add(wholeMonthDiff, 'months'), + anchor2, adjust; - /** - * Convert a translation point to a point on the screen - * @param {Point3d} translation A 3D point with parameters x, y, z This is - * the translation of the point, seen from the - * camera - * @return {Point2d} point2d A 2D point with parameters x, y - */ - Graph3d.prototype._convertTranslationToScreen = function(translation) { - var ex = this.eye.x, - ey = this.eye.y, - ez = this.eye.z, - dx = translation.x, - dy = translation.y, - dz = translation.z; + if (b - anchor < 0) { + anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor - anchor2); + } else { + anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor2 - anchor); + } - // calculate position on screen from translation - var bx; - var by; - if (this.showPerspective) { - bx = (dx - ex) * (ez / dz); - by = (dy - ey) * (ez / dz); - } - else { - bx = dx * -(ez / this.camera.getArmLength()); - by = dy * -(ez / this.camera.getArmLength()); - } + return -(wholeMonthDiff + adjust); + } - // shift and scale the point to the center of the screen - // use the width of the graph to scale both horizontally and vertically. - return new Point2d( - this.xcenter + bx * this.frame.canvas.clientWidth, - this.ycenter - by * this.frame.canvas.clientWidth); - }; + while (ordinalizeTokens.length) { + i = ordinalizeTokens.pop(); + formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i); + } + while (paddedTokens.length) { + i = paddedTokens.pop(); + formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2); + } + formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3); - /** - * Set the background styling for the graph - * @param {string | {fill: string, stroke: string, strokeWidth: string}} backgroundColor - */ - Graph3d.prototype._setBackgroundColor = function(backgroundColor) { - var fill = 'white'; - var stroke = 'gray'; - var strokeWidth = 1; - if (typeof(backgroundColor) === 'string') { - fill = backgroundColor; - stroke = 'none'; - strokeWidth = 0; - } - else if (typeof(backgroundColor) === 'object') { - if (backgroundColor.fill !== undefined) fill = backgroundColor.fill; - if (backgroundColor.stroke !== undefined) stroke = backgroundColor.stroke; - if (backgroundColor.strokeWidth !== undefined) strokeWidth = backgroundColor.strokeWidth; - } - else if (backgroundColor === undefined) { - // use use defaults - } - else { - throw 'Unsupported type of backgroundColor'; - } + function meridiemFixWrap(locale, hour, meridiem) { + var isPm; - this.frame.style.backgroundColor = fill; - this.frame.style.borderColor = stroke; - this.frame.style.borderWidth = strokeWidth + 'px'; - this.frame.style.borderStyle = 'solid'; - }; + if (meridiem == null) { + // nothing to do + return hour; + } + if (locale.meridiemHour != null) { + return locale.meridiemHour(hour, meridiem); + } else if (locale.isPM != null) { + // Fallback + isPm = locale.isPM(meridiem); + if (isPm && hour < 12) { + hour += 12; + } + if (!isPm && hour === 12) { + hour = 0; + } + return hour; + } else { + // thie is not supposed to happen + return hour; + } + } + /************************************ + Constructors + ************************************/ - /// enumerate the available styles - Graph3d.STYLE = { - BAR: 0, - BARCOLOR: 1, - BARSIZE: 2, - DOT : 3, - DOTLINE : 4, - DOTCOLOR: 5, - DOTSIZE: 6, - GRID : 7, - LINE: 8, - SURFACE : 9 - }; + function Locale() { + } - /** - * Retrieve the style index from given styleName - * @param {string} styleName Style name such as 'dot', 'grid', 'dot-line' - * @return {Number} styleNumber Enumeration value representing the style, or -1 - * when not found - */ - Graph3d.prototype._getStyleNumber = function(styleName) { - switch (styleName) { - case 'dot': return Graph3d.STYLE.DOT; - case 'dot-line': return Graph3d.STYLE.DOTLINE; - case 'dot-color': return Graph3d.STYLE.DOTCOLOR; - case 'dot-size': return Graph3d.STYLE.DOTSIZE; - case 'line': return Graph3d.STYLE.LINE; - case 'grid': return Graph3d.STYLE.GRID; - case 'surface': return Graph3d.STYLE.SURFACE; - case 'bar': return Graph3d.STYLE.BAR; - case 'bar-color': return Graph3d.STYLE.BARCOLOR; - case 'bar-size': return Graph3d.STYLE.BARSIZE; - } + // Moment prototype object + function Moment(config, skipOverflow) { + if (skipOverflow !== false) { + checkOverflow(config); + } + copyConfig(this, config); + this._d = new Date(+config._d); + // Prevent infinite loop in case updateOffset creates new moment + // objects. + if (updateInProgress === false) { + updateInProgress = true; + moment.updateOffset(this); + updateInProgress = false; + } + } - return -1; - }; + // Duration Constructor + function Duration(duration) { + var normalizedInput = normalizeObjectUnits(duration), + years = normalizedInput.year || 0, + quarters = normalizedInput.quarter || 0, + months = normalizedInput.month || 0, + weeks = normalizedInput.week || 0, + days = normalizedInput.day || 0, + hours = normalizedInput.hour || 0, + minutes = normalizedInput.minute || 0, + seconds = normalizedInput.second || 0, + milliseconds = normalizedInput.millisecond || 0; - /** - * Determine the indexes of the data columns, based on the given style and data - * @param {DataSet} data - * @param {Number} style - */ - Graph3d.prototype._determineColumnIndexes = function(data, style) { - if (this.style === Graph3d.STYLE.DOT || - this.style === Graph3d.STYLE.DOTLINE || - this.style === Graph3d.STYLE.LINE || - this.style === Graph3d.STYLE.GRID || - this.style === Graph3d.STYLE.SURFACE || - this.style === Graph3d.STYLE.BAR) { - // 3 columns expected, and optionally a 4th with filter values - this.colX = 0; - this.colY = 1; - this.colZ = 2; - this.colValue = undefined; + // representation for dateAddRemove + this._milliseconds = +milliseconds + + seconds * 1e3 + // 1000 + minutes * 6e4 + // 1000 * 60 + hours * 36e5; // 1000 * 60 * 60 + // Because of dateAddRemove treats 24 hours as different from a + // day when working around DST, we need to store them separately + this._days = +days + + weeks * 7; + // It is impossible translate months into days without knowing + // which months you are are talking about, so we have to store + // it separately. + this._months = +months + + quarters * 3 + + years * 12; - if (data.getNumberOfColumns() > 3) { - this.colFilter = 3; - } - } - else if (this.style === Graph3d.STYLE.DOTCOLOR || - this.style === Graph3d.STYLE.DOTSIZE || - this.style === Graph3d.STYLE.BARCOLOR || - this.style === Graph3d.STYLE.BARSIZE) { - // 4 columns expected, and optionally a 5th with filter values - this.colX = 0; - this.colY = 1; - this.colZ = 2; - this.colValue = 3; + this._data = {}; - if (data.getNumberOfColumns() > 4) { - this.colFilter = 4; + this._locale = moment.localeData(); + + this._bubble(); } - } - else { - throw 'Unknown style "' + this.style + '"'; - } - }; - Graph3d.prototype.getNumberOfRows = function(data) { - return data.length; - } + /************************************ + Helpers + ************************************/ - Graph3d.prototype.getNumberOfColumns = function(data) { - var counter = 0; - for (var column in data[0]) { - if (data[0].hasOwnProperty(column)) { - counter++; - } - } - return counter; - } + function extend(a, b) { + for (var i in b) { + if (hasOwnProp(b, i)) { + a[i] = b[i]; + } + } + + if (hasOwnProp(b, 'toString')) { + a.toString = b.toString; + } + if (hasOwnProp(b, 'valueOf')) { + a.valueOf = b.valueOf; + } - Graph3d.prototype.getDistinctValues = function(data, column) { - var distinctValues = []; - for (var i = 0; i < data.length; i++) { - if (distinctValues.indexOf(data[i][column]) == -1) { - distinctValues.push(data[i][column]); + return a; } - } - return distinctValues; - } + function copyConfig(to, from) { + var i, prop, val; - Graph3d.prototype.getColumnRange = function(data,column) { - var minMax = {min:data[0][column],max:data[0][column]}; - for (var i = 0; i < data.length; i++) { - if (minMax.min > data[i][column]) { minMax.min = data[i][column]; } - if (minMax.max < data[i][column]) { minMax.max = data[i][column]; } - } - return minMax; - }; + if (typeof from._isAMomentObject !== 'undefined') { + to._isAMomentObject = from._isAMomentObject; + } + if (typeof from._i !== 'undefined') { + to._i = from._i; + } + if (typeof from._f !== 'undefined') { + to._f = from._f; + } + if (typeof from._l !== 'undefined') { + to._l = from._l; + } + if (typeof from._strict !== 'undefined') { + to._strict = from._strict; + } + if (typeof from._tzm !== 'undefined') { + to._tzm = from._tzm; + } + if (typeof from._isUTC !== 'undefined') { + to._isUTC = from._isUTC; + } + if (typeof from._offset !== 'undefined') { + to._offset = from._offset; + } + if (typeof from._pf !== 'undefined') { + to._pf = from._pf; + } + if (typeof from._locale !== 'undefined') { + to._locale = from._locale; + } - /** - * Initialize the data from the data table. Calculate minimum and maximum values - * and column index values - * @param {Array | DataSet | DataView} rawData The data containing the items for the Graph. - * @param {Number} style Style Number - */ - Graph3d.prototype._dataInitialize = function (rawData, style) { - var me = this; + if (momentProperties.length > 0) { + for (i in momentProperties) { + prop = momentProperties[i]; + val = from[prop]; + if (typeof val !== 'undefined') { + to[prop] = val; + } + } + } - // unsubscribe from the dataTable - if (this.dataSet) { - this.dataSet.off('*', this._onChange); - } + return to; + } - if (rawData === undefined) - return; + function absRound(number) { + if (number < 0) { + return Math.ceil(number); + } else { + return Math.floor(number); + } + } - if (Array.isArray(rawData)) { - rawData = new DataSet(rawData); - } + // left zero fill a number + // see http://jsperf.com/left-zero-filling for performance comparison + function leftZeroFill(number, targetLength, forceSign) { + var output = '' + Math.abs(number), + sign = number >= 0; - var data; - if (rawData instanceof DataSet || rawData instanceof DataView) { - data = rawData.get(); - } - else { - throw new Error('Array, DataSet, or DataView expected'); - } + while (output.length < targetLength) { + output = '0' + output; + } + return (sign ? (forceSign ? '+' : '') : '-') + output; + } - if (data.length == 0) - return; + function positiveMomentsDifference(base, other) { + var res = {milliseconds: 0, months: 0}; - this.dataSet = rawData; - this.dataTable = data; + res.months = other.month() - base.month() + + (other.year() - base.year()) * 12; + if (base.clone().add(res.months, 'M').isAfter(other)) { + --res.months; + } - // subscribe to changes in the dataset - this._onChange = function () { - me.setData(me.dataSet); - }; - this.dataSet.on('*', this._onChange); + res.milliseconds = +other - +(base.clone().add(res.months, 'M')); - // _determineColumnIndexes - // getNumberOfRows (points) - // getNumberOfColumns (x,y,z,v,t,t1,t2...) - // getDistinctValues (unique values?) - // getColumnRange + return res; + } - // determine the location of x,y,z,value,filter columns - this.colX = 'x'; - this.colY = 'y'; - this.colZ = 'z'; - this.colValue = 'style'; - this.colFilter = 'filter'; + function momentsDifference(base, other) { + var res; + other = makeAs(other, base); + if (base.isBefore(other)) { + res = positiveMomentsDifference(base, other); + } else { + res = positiveMomentsDifference(other, base); + res.milliseconds = -res.milliseconds; + res.months = -res.months; + } + return res; + } + // TODO: remove 'name' arg after deprecation is removed + function createAdder(direction, name) { + return function (val, period) { + var dur, tmp; + //invert the arguments, but complain about it + if (period !== null && !isNaN(+period)) { + deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period).'); + tmp = val; val = period; period = tmp; + } - // check if a filter column is provided - if (data[0].hasOwnProperty('filter')) { - if (this.dataFilter === undefined) { - this.dataFilter = new Filter(rawData, this.colFilter, this); - this.dataFilter.setOnLoadCallback(function() {me.redraw();}); + val = typeof val === 'string' ? +val : val; + dur = moment.duration(val, period); + addOrSubtractDurationFromMoment(this, dur, direction); + return this; + }; } - } + function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) { + var milliseconds = duration._milliseconds, + days = duration._days, + months = duration._months; + updateOffset = updateOffset == null ? true : updateOffset; - var withBars = this.style == Graph3d.STYLE.BAR || - this.style == Graph3d.STYLE.BARCOLOR || - this.style == Graph3d.STYLE.BARSIZE; + if (milliseconds) { + mom._d.setTime(+mom._d + milliseconds * isAdding); + } + if (days) { + rawSetter(mom, 'Date', rawGetter(mom, 'Date') + days * isAdding); + } + if (months) { + rawMonthSetter(mom, rawGetter(mom, 'Month') + months * isAdding); + } + if (updateOffset) { + moment.updateOffset(mom, days || months); + } + } - // determine barWidth from data - if (withBars) { - if (this.defaultXBarWidth !== undefined) { - this.xBarWidth = this.defaultXBarWidth; + // check if is an array + function isArray(input) { + return Object.prototype.toString.call(input) === '[object Array]'; } - else { - var dataX = this.getDistinctValues(data,this.colX); - this.xBarWidth = (dataX[1] - dataX[0]) || 1; + + function isDate(input) { + return Object.prototype.toString.call(input) === '[object Date]' || + input instanceof Date; } - if (this.defaultYBarWidth !== undefined) { - this.yBarWidth = this.defaultYBarWidth; + // compare two arrays, return the number of differences + function compareArrays(array1, array2, dontConvert) { + var len = Math.min(array1.length, array2.length), + lengthDiff = Math.abs(array1.length - array2.length), + diffs = 0, + i; + for (i = 0; i < len; i++) { + if ((dontConvert && array1[i] !== array2[i]) || + (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) { + diffs++; + } + } + return diffs + lengthDiff; } - else { - var dataY = this.getDistinctValues(data,this.colY); - this.yBarWidth = (dataY[1] - dataY[0]) || 1; + + function normalizeUnits(units) { + if (units) { + var lowered = units.toLowerCase().replace(/(.)s$/, '$1'); + units = unitAliases[units] || camelFunctions[lowered] || lowered; + } + return units; } - } - // calculate minimums and maximums - var xRange = this.getColumnRange(data,this.colX); - if (withBars) { - xRange.min -= this.xBarWidth / 2; - xRange.max += this.xBarWidth / 2; - } - this.xMin = (this.defaultXMin !== undefined) ? this.defaultXMin : xRange.min; - this.xMax = (this.defaultXMax !== undefined) ? this.defaultXMax : xRange.max; - if (this.xMax <= this.xMin) this.xMax = this.xMin + 1; - this.xStep = (this.defaultXStep !== undefined) ? this.defaultXStep : (this.xMax-this.xMin)/5; + function normalizeObjectUnits(inputObject) { + var normalizedInput = {}, + normalizedProp, + prop; - var yRange = this.getColumnRange(data,this.colY); - if (withBars) { - yRange.min -= this.yBarWidth / 2; - yRange.max += this.yBarWidth / 2; - } - this.yMin = (this.defaultYMin !== undefined) ? this.defaultYMin : yRange.min; - this.yMax = (this.defaultYMax !== undefined) ? this.defaultYMax : yRange.max; - if (this.yMax <= this.yMin) this.yMax = this.yMin + 1; - this.yStep = (this.defaultYStep !== undefined) ? this.defaultYStep : (this.yMax-this.yMin)/5; + for (prop in inputObject) { + if (hasOwnProp(inputObject, prop)) { + normalizedProp = normalizeUnits(prop); + if (normalizedProp) { + normalizedInput[normalizedProp] = inputObject[prop]; + } + } + } - var zRange = this.getColumnRange(data,this.colZ); - this.zMin = (this.defaultZMin !== undefined) ? this.defaultZMin : zRange.min; - this.zMax = (this.defaultZMax !== undefined) ? this.defaultZMax : zRange.max; - if (this.zMax <= this.zMin) this.zMax = this.zMin + 1; - this.zStep = (this.defaultZStep !== undefined) ? this.defaultZStep : (this.zMax-this.zMin)/5; + return normalizedInput; + } - if (this.colValue !== undefined) { - var valueRange = this.getColumnRange(data,this.colValue); - this.valueMin = (this.defaultValueMin !== undefined) ? this.defaultValueMin : valueRange.min; - this.valueMax = (this.defaultValueMax !== undefined) ? this.defaultValueMax : valueRange.max; - if (this.valueMax <= this.valueMin) this.valueMax = this.valueMin + 1; - } + function makeList(field) { + var count, setter; - // set the scale dependent on the ranges. - this._setScale(); - }; + if (field.indexOf('week') === 0) { + count = 7; + setter = 'day'; + } + else if (field.indexOf('month') === 0) { + count = 12; + setter = 'month'; + } + else { + return; + } + moment[field] = function (format, index) { + var i, getter, + method = moment._locale[field], + results = []; + if (typeof format === 'number') { + index = format; + format = undefined; + } - /** - * Filter the data based on the current filter - * @param {Array} data - * @return {Array} dataPoints Array with point objects which can be drawn on screen - */ - Graph3d.prototype._getDataPoints = function (data) { - // TODO: store the created matrix dataPoints in the filters instead of reloading each time - var x, y, i, z, obj, point; + getter = function (i) { + var m = moment().utc().set(setter, i); + return method.call(moment._locale, m, format || ''); + }; - var dataPoints = []; + if (index != null) { + return getter(index); + } + else { + for (i = 0; i < count; i++) { + results.push(getter(i)); + } + return results; + } + }; + } - if (this.style === Graph3d.STYLE.GRID || - this.style === Graph3d.STYLE.SURFACE) { - // copy all values from the google data table to a matrix - // the provided values are supposed to form a grid of (x,y) positions + function toInt(argumentForCoercion) { + var coercedNumber = +argumentForCoercion, + value = 0; - // create two lists with all present x and y values - var dataX = []; - var dataY = []; - for (i = 0; i < this.getNumberOfRows(data); i++) { - x = data[i][this.colX] || 0; - y = data[i][this.colY] || 0; + if (coercedNumber !== 0 && isFinite(coercedNumber)) { + if (coercedNumber >= 0) { + value = Math.floor(coercedNumber); + } else { + value = Math.ceil(coercedNumber); + } + } - if (dataX.indexOf(x) === -1) { - dataX.push(x); - } - if (dataY.indexOf(y) === -1) { - dataY.push(y); - } + return value; } - var sortNumber = function (a, b) { - return a - b; - }; - dataX.sort(sortNumber); - dataY.sort(sortNumber); + function daysInMonth(year, month) { + return new Date(Date.UTC(year, month + 1, 0)).getUTCDate(); + } - // create a grid, a 2d matrix, with all values. - var dataMatrix = []; // temporary data matrix - for (i = 0; i < data.length; i++) { - x = data[i][this.colX] || 0; - y = data[i][this.colY] || 0; - z = data[i][this.colZ] || 0; + function weeksInYear(year, dow, doy) { + return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week; + } - var xIndex = dataX.indexOf(x); // TODO: implement Array().indexOf() for Internet Explorer - var yIndex = dataY.indexOf(y); + function daysInYear(year) { + return isLeapYear(year) ? 366 : 365; + } - if (dataMatrix[xIndex] === undefined) { - dataMatrix[xIndex] = []; - } + function isLeapYear(year) { + return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; + } - var point3d = new Point3d(); - point3d.x = x; - point3d.y = y; - point3d.z = z; + function checkOverflow(m) { + var overflow; + if (m._a && m._pf.overflow === -2) { + overflow = + m._a[MONTH] < 0 || m._a[MONTH] > 11 ? MONTH : + m._a[DATE] < 1 || m._a[DATE] > daysInMonth(m._a[YEAR], m._a[MONTH]) ? DATE : + m._a[HOUR] < 0 || m._a[HOUR] > 24 || + (m._a[HOUR] === 24 && (m._a[MINUTE] !== 0 || + m._a[SECOND] !== 0 || + m._a[MILLISECOND] !== 0)) ? HOUR : + m._a[MINUTE] < 0 || m._a[MINUTE] > 59 ? MINUTE : + m._a[SECOND] < 0 || m._a[SECOND] > 59 ? SECOND : + m._a[MILLISECOND] < 0 || m._a[MILLISECOND] > 999 ? MILLISECOND : + -1; - obj = {}; - obj.point = point3d; - obj.trans = undefined; - obj.screen = undefined; - obj.bottom = new Point3d(x, y, this.zMin); + if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { + overflow = DATE; + } - dataMatrix[xIndex][yIndex] = obj; + m._pf.overflow = overflow; + } + } - dataPoints.push(obj); + function isValid(m) { + if (m._isValid == null) { + m._isValid = !isNaN(m._d.getTime()) && + m._pf.overflow < 0 && + !m._pf.empty && + !m._pf.invalidMonth && + !m._pf.nullInput && + !m._pf.invalidFormat && + !m._pf.userInvalidated; + + if (m._strict) { + m._isValid = m._isValid && + m._pf.charsLeftOver === 0 && + m._pf.unusedTokens.length === 0 && + m._pf.bigHour === undefined; + } + } + return m._isValid; + } + + function normalizeLocale(key) { + return key ? key.toLowerCase().replace('_', '-') : key; + } + + // pick the locale from the array + // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each + // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root + function chooseLocale(names) { + var i = 0, j, next, locale, split; + + while (i < names.length) { + split = normalizeLocale(names[i]).split('-'); + j = split.length; + next = normalizeLocale(names[i + 1]); + next = next ? next.split('-') : null; + while (j > 0) { + locale = loadLocale(split.slice(0, j).join('-')); + if (locale) { + return locale; + } + if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { + //the next array item is better than a shallower substring of this one + break; + } + j--; + } + i++; + } + return null; + } + + function loadLocale(name) { + var oldLocale = null; + if (!locales[name] && hasModule) { + try { + oldLocale = moment.locale(); + !(function webpackMissingModule() { var e = new Error("Cannot find module \"./locale\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()); + // because defineLocale currently also sets the global locale, we want to undo that for lazy loaded locales + moment.locale(oldLocale); + } catch (e) { } + } + return locales[name]; } - // fill in the pointers to the neighbors. - for (x = 0; x < dataMatrix.length; x++) { - for (y = 0; y < dataMatrix[x].length; y++) { - if (dataMatrix[x][y]) { - dataMatrix[x][y].pointRight = (x < dataMatrix.length-1) ? dataMatrix[x+1][y] : undefined; - dataMatrix[x][y].pointTop = (y < dataMatrix[x].length-1) ? dataMatrix[x][y+1] : undefined; - dataMatrix[x][y].pointCross = - (x < dataMatrix.length-1 && y < dataMatrix[x].length-1) ? - dataMatrix[x+1][y+1] : - undefined; + // Return a moment from input, that is local/utc/utcOffset equivalent to + // model. + function makeAs(input, model) { + var res, diff; + if (model._isUTC) { + res = model.clone(); + diff = (moment.isMoment(input) || isDate(input) ? + +input : +moment(input)) - (+res); + // Use low-level api, because this fn is low-level api. + res._d.setTime(+res._d + diff); + moment.updateOffset(res, false); + return res; + } else { + return moment(input).local(); } - } } - } - else { // 'dot', 'dot-line', etc. - // copy all values from the google data table to a list with Point3d objects - for (i = 0; i < data.length; i++) { - point = new Point3d(); - point.x = data[i][this.colX] || 0; - point.y = data[i][this.colY] || 0; - point.z = data[i][this.colZ] || 0; - if (this.colValue !== undefined) { - point.value = data[i][this.colValue] || 0; - } + /************************************ + Locale + ************************************/ - obj = {}; - obj.point = point; - obj.bottom = new Point3d(point.x, point.y, this.zMin); - obj.trans = undefined; - obj.screen = undefined; - dataPoints.push(obj); - } - } + extend(Locale.prototype, { - return dataPoints; - }; + set : function (config) { + var prop, i; + for (i in config) { + prop = config[i]; + if (typeof prop === 'function') { + this[i] = prop; + } else { + this['_' + i] = prop; + } + } + // Lenient ordinal parsing accepts just a number in addition to + // number + (possibly) stuff coming from _ordinalParseLenient. + this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + /\d{1,2}/.source); + }, - /** - * Create the main frame for the Graph3d. - * This function is executed once when a Graph3d object is created. The frame - * contains a canvas, and this canvas contains all objects like the axis and - * nodes. - */ - Graph3d.prototype.create = function () { - // remove all elements from the container element. - while (this.containerElement.hasChildNodes()) { - this.containerElement.removeChild(this.containerElement.firstChild); - } + _months : 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'), + months : function (m) { + return this._months[m.month()]; + }, - this.frame = document.createElement('div'); - this.frame.style.position = 'relative'; - this.frame.style.overflow = 'hidden'; + _monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'), + monthsShort : function (m) { + return this._monthsShort[m.month()]; + }, - // create the graph canvas (HTML canvas element) - this.frame.canvas = document.createElement( 'canvas' ); - this.frame.canvas.style.position = 'relative'; - this.frame.appendChild(this.frame.canvas); - //if (!this.frame.canvas.getContext) { - { - var noCanvas = document.createElement( 'DIV' ); - noCanvas.style.color = 'red'; - noCanvas.style.fontWeight = 'bold' ; - noCanvas.style.padding = '10px'; - noCanvas.innerHTML = 'Error: your browser does not support HTML canvas'; - this.frame.canvas.appendChild(noCanvas); - } + monthsParse : function (monthName, format, strict) { + var i, mom, regex; - this.frame.filter = document.createElement( 'div' ); - this.frame.filter.style.position = 'absolute'; - this.frame.filter.style.bottom = '0px'; - this.frame.filter.style.left = '0px'; - this.frame.filter.style.width = '100%'; - this.frame.appendChild(this.frame.filter); + if (!this._monthsParse) { + this._monthsParse = []; + this._longMonthsParse = []; + this._shortMonthsParse = []; + } - // add event listeners to handle moving and zooming the contents - var me = this; - var onmousedown = function (event) {me._onMouseDown(event);}; - var ontouchstart = function (event) {me._onTouchStart(event);}; - var onmousewheel = function (event) {me._onWheel(event);}; - var ontooltip = function (event) {me._onTooltip(event);}; - // TODO: these events are never cleaned up... can give a 'memory leakage' + for (i = 0; i < 12; i++) { + // make the regex if we don't have it already + mom = moment.utc([2000, i]); + if (strict && !this._longMonthsParse[i]) { + this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i'); + this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i'); + } + if (!strict && !this._monthsParse[i]) { + regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); + this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); + } + // test the regex + if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) { + return i; + } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) { + return i; + } else if (!strict && this._monthsParse[i].test(monthName)) { + return i; + } + } + }, - util.addEventListener(this.frame.canvas, 'keydown', onkeydown); - util.addEventListener(this.frame.canvas, 'mousedown', onmousedown); - util.addEventListener(this.frame.canvas, 'touchstart', ontouchstart); - util.addEventListener(this.frame.canvas, 'mousewheel', onmousewheel); - util.addEventListener(this.frame.canvas, 'mousemove', ontooltip); + _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'), + weekdays : function (m) { + return this._weekdays[m.day()]; + }, - // add the new graph to the container element - this.containerElement.appendChild(this.frame); - }; + _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'), + weekdaysShort : function (m) { + return this._weekdaysShort[m.day()]; + }, + _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'), + weekdaysMin : function (m) { + return this._weekdaysMin[m.day()]; + }, - /** - * Set a new size for the graph - * @param {string} width Width in pixels or percentage (for example '800px' - * or '50%') - * @param {string} height Height in pixels or percentage (for example '400px' - * or '30%') - */ - Graph3d.prototype.setSize = function(width, height) { - this.frame.style.width = width; - this.frame.style.height = height; + weekdaysParse : function (weekdayName) { + var i, mom, regex; - this._resizeCanvas(); - }; + if (!this._weekdaysParse) { + this._weekdaysParse = []; + } - /** - * Resize the canvas to the current size of the frame - */ - Graph3d.prototype._resizeCanvas = function() { - this.frame.canvas.style.width = '100%'; - this.frame.canvas.style.height = '100%'; + for (i = 0; i < 7; i++) { + // make the regex if we don't have it already + if (!this._weekdaysParse[i]) { + mom = moment([2000, 1]).day(i); + regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, ''); + this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); + } + // test the regex + if (this._weekdaysParse[i].test(weekdayName)) { + return i; + } + } + }, - this.frame.canvas.width = this.frame.canvas.clientWidth; - this.frame.canvas.height = this.frame.canvas.clientHeight; + _longDateFormat : { + LTS : 'h:mm:ss A', + LT : 'h:mm A', + L : 'MM/DD/YYYY', + LL : 'MMMM D, YYYY', + LLL : 'MMMM D, YYYY LT', + LLLL : 'dddd, MMMM D, YYYY LT' + }, + longDateFormat : function (key) { + var output = this._longDateFormat[key]; + if (!output && this._longDateFormat[key.toUpperCase()]) { + output = this._longDateFormat[key.toUpperCase()].replace(/MMMM|MM|DD|dddd/g, function (val) { + return val.slice(1); + }); + this._longDateFormat[key] = output; + } + return output; + }, - // adjust with for margin - this.frame.filter.style.width = (this.frame.canvas.clientWidth - 2 * 10) + 'px'; - }; + isPM : function (input) { + // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays + // Using charAt should be more compatible. + return ((input + '').toLowerCase().charAt(0) === 'p'); + }, - /** - * Start animation - */ - Graph3d.prototype.animationStart = function() { - if (!this.frame.filter || !this.frame.filter.slider) - throw 'No animation available'; + _meridiemParse : /[ap]\.?m?\.?/i, + meridiem : function (hours, minutes, isLower) { + if (hours > 11) { + return isLower ? 'pm' : 'PM'; + } else { + return isLower ? 'am' : 'AM'; + } + }, - this.frame.filter.slider.play(); - }; + _calendar : { + sameDay : '[Today at] LT', + nextDay : '[Tomorrow at] LT', + nextWeek : 'dddd [at] LT', + lastDay : '[Yesterday at] LT', + lastWeek : '[Last] dddd [at] LT', + sameElse : 'L' + }, + calendar : function (key, mom, now) { + var output = this._calendar[key]; + return typeof output === 'function' ? output.apply(mom, [now]) : output; + }, + + _relativeTime : { + future : 'in %s', + past : '%s ago', + s : 'a few seconds', + m : 'a minute', + mm : '%d minutes', + h : 'an hour', + hh : '%d hours', + d : 'a day', + dd : '%d days', + M : 'a month', + MM : '%d months', + y : 'a year', + yy : '%d years' + }, - /** - * Stop animation - */ - Graph3d.prototype.animationStop = function() { - if (!this.frame.filter || !this.frame.filter.slider) return; + relativeTime : function (number, withoutSuffix, string, isFuture) { + var output = this._relativeTime[string]; + return (typeof output === 'function') ? + output(number, withoutSuffix, string, isFuture) : + output.replace(/%d/i, number); + }, - this.frame.filter.slider.stop(); - }; + pastFuture : function (diff, output) { + var format = this._relativeTime[diff > 0 ? 'future' : 'past']; + return typeof format === 'function' ? format(output) : format.replace(/%s/i, output); + }, + ordinal : function (number) { + return this._ordinal.replace('%d', number); + }, + _ordinal : '%d', + _ordinalParse : /\d{1,2}/, - /** - * Resize the center position based on the current values in this.defaultXCenter - * and this.defaultYCenter (which are strings with a percentage or a value - * in pixels). The center positions are the variables this.xCenter - * and this.yCenter - */ - Graph3d.prototype._resizeCenter = function() { - // calculate the horizontal center position - if (this.defaultXCenter.charAt(this.defaultXCenter.length-1) === '%') { - this.xcenter = - parseFloat(this.defaultXCenter) / 100 * - this.frame.canvas.clientWidth; - } - else { - this.xcenter = parseFloat(this.defaultXCenter); // supposed to be in px - } + preparse : function (string) { + return string; + }, - // calculate the vertical center position - if (this.defaultYCenter.charAt(this.defaultYCenter.length-1) === '%') { - this.ycenter = - parseFloat(this.defaultYCenter) / 100 * - (this.frame.canvas.clientHeight - this.frame.filter.clientHeight); - } - else { - this.ycenter = parseFloat(this.defaultYCenter); // supposed to be in px - } - }; + postformat : function (string) { + return string; + }, - /** - * Set the rotation and distance of the camera - * @param {Object} pos An object with the camera position. The object - * contains three parameters: - * - horizontal {Number} - * The horizontal rotation, between 0 and 2*PI. - * Optional, can be left undefined. - * - vertical {Number} - * The vertical rotation, between 0 and 0.5*PI - * if vertical=0.5*PI, the graph is shown from the - * top. Optional, can be left undefined. - * - distance {Number} - * The (normalized) distance of the camera to the - * center of the graph, a value between 0.71 and 5.0. - * Optional, can be left undefined. - */ - Graph3d.prototype.setCameraPosition = function(pos) { - if (pos === undefined) { - return; - } + week : function (mom) { + return weekOfYear(mom, this._week.dow, this._week.doy).week; + }, - if (pos.horizontal !== undefined && pos.vertical !== undefined) { - this.camera.setArmRotation(pos.horizontal, pos.vertical); - } + _week : { + dow : 0, // Sunday is the first day of the week. + doy : 6 // The week that contains Jan 1st is the first week of the year. + }, - if (pos.distance !== undefined) { - this.camera.setArmLength(pos.distance); - } + firstDayOfWeek : function () { + return this._week.dow; + }, - this.redraw(); - }; + firstDayOfYear : function () { + return this._week.doy; + }, + _invalidDate: 'Invalid date', + invalidDate: function () { + return this._invalidDate; + } + }); - /** - * Retrieve the current camera rotation - * @return {object} An object with parameters horizontal, vertical, and - * distance - */ - Graph3d.prototype.getCameraPosition = function() { - var pos = this.camera.getArmRotation(); - pos.distance = this.camera.getArmLength(); - return pos; - }; + /************************************ + Formatting + ************************************/ - /** - * Load data into the 3D Graph - */ - Graph3d.prototype._readData = function(data) { - // read the data - this._dataInitialize(data, this.style); + function removeFormattingTokens(input) { + if (input.match(/\[[\s\S]/)) { + return input.replace(/^\[|\]$/g, ''); + } + return input.replace(/\\/g, ''); + } - if (this.dataFilter) { - // apply filtering - this.dataPoints = this.dataFilter._getDataPoints(); - } - else { - // no filtering. load all data - this.dataPoints = this._getDataPoints(this.dataTable); - } + function makeFormatFunction(format) { + var array = format.match(formattingTokens), i, length; - // draw the filter - this._redrawFilter(); - }; + for (i = 0, length = array.length; i < length; i++) { + if (formatTokenFunctions[array[i]]) { + array[i] = formatTokenFunctions[array[i]]; + } else { + array[i] = removeFormattingTokens(array[i]); + } + } - /** - * Replace the dataset of the Graph3d - * @param {Array | DataSet | DataView} data - */ - Graph3d.prototype.setData = function (data) { - this._readData(data); - this.redraw(); + return function (mom) { + var output = ''; + for (i = 0; i < length; i++) { + output += array[i] instanceof Function ? array[i].call(mom, format) : array[i]; + } + return output; + }; + } - // start animation when option is true - if (this.animationAutoStart && this.dataFilter) { - this.animationStart(); - } - }; + // format date using native date object + function formatMoment(m, format) { + if (!m.isValid()) { + return m.localeData().invalidDate(); + } - /** - * Update the options. Options will be merged with current options - * @param {Object} options - */ - Graph3d.prototype.setOptions = function (options) { - var cameraPosition = undefined; + format = expandFormat(format, m.localeData()); - this.animationStop(); + if (!formatFunctions[format]) { + formatFunctions[format] = makeFormatFunction(format); + } - if (options !== undefined) { - // retrieve parameter values - if (options.width !== undefined) this.width = options.width; - if (options.height !== undefined) this.height = options.height; + return formatFunctions[format](m); + } - if (options.xCenter !== undefined) this.defaultXCenter = options.xCenter; - if (options.yCenter !== undefined) this.defaultYCenter = options.yCenter; + function expandFormat(format, locale) { + var i = 5; - if (options.filterLabel !== undefined) this.filterLabel = options.filterLabel; - if (options.legendLabel !== undefined) this.legendLabel = options.legendLabel; - if (options.xLabel !== undefined) this.xLabel = options.xLabel; - if (options.yLabel !== undefined) this.yLabel = options.yLabel; - if (options.zLabel !== undefined) this.zLabel = options.zLabel; + function replaceLongDateFormatTokens(input) { + return locale.longDateFormat(input) || input; + } - if (options.xValueLabel !== undefined) this.xValueLabel = options.xValueLabel; - if (options.yValueLabel !== undefined) this.yValueLabel = options.yValueLabel; - if (options.zValueLabel !== undefined) this.zValueLabel = options.zValueLabel; + localFormattingTokens.lastIndex = 0; + while (i >= 0 && localFormattingTokens.test(format)) { + format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); + localFormattingTokens.lastIndex = 0; + i -= 1; + } - if (options.style !== undefined) { - var styleNumber = this._getStyleNumber(options.style); - if (styleNumber !== -1) { - this.style = styleNumber; - } + return format; } - if (options.showGrid !== undefined) this.showGrid = options.showGrid; - if (options.showPerspective !== undefined) this.showPerspective = options.showPerspective; - if (options.showShadow !== undefined) this.showShadow = options.showShadow; - if (options.tooltip !== undefined) this.showTooltip = options.tooltip; - if (options.showAnimationControls !== undefined) this.showAnimationControls = options.showAnimationControls; - if (options.keepAspectRatio !== undefined) this.keepAspectRatio = options.keepAspectRatio; - if (options.verticalRatio !== undefined) this.verticalRatio = options.verticalRatio; - - if (options.animationInterval !== undefined) this.animationInterval = options.animationInterval; - if (options.animationPreload !== undefined) this.animationPreload = options.animationPreload; - if (options.animationAutoStart !== undefined)this.animationAutoStart = options.animationAutoStart; - if (options.xBarWidth !== undefined) this.defaultXBarWidth = options.xBarWidth; - if (options.yBarWidth !== undefined) this.defaultYBarWidth = options.yBarWidth; - if (options.xMin !== undefined) this.defaultXMin = options.xMin; - if (options.xStep !== undefined) this.defaultXStep = options.xStep; - if (options.xMax !== undefined) this.defaultXMax = options.xMax; - if (options.yMin !== undefined) this.defaultYMin = options.yMin; - if (options.yStep !== undefined) this.defaultYStep = options.yStep; - if (options.yMax !== undefined) this.defaultYMax = options.yMax; - if (options.zMin !== undefined) this.defaultZMin = options.zMin; - if (options.zStep !== undefined) this.defaultZStep = options.zStep; - if (options.zMax !== undefined) this.defaultZMax = options.zMax; - if (options.valueMin !== undefined) this.defaultValueMin = options.valueMin; - if (options.valueMax !== undefined) this.defaultValueMax = options.valueMax; + /************************************ + Parsing + ************************************/ - if (options.cameraPosition !== undefined) cameraPosition = options.cameraPosition; - if (cameraPosition !== undefined) { - this.camera.setArmRotation(cameraPosition.horizontal, cameraPosition.vertical); - this.camera.setArmLength(cameraPosition.distance); - } - else { - this.camera.setArmRotation(1.0, 0.5); - this.camera.setArmLength(1.7); + // get the regex to find the next token + function getParseRegexForToken(token, config) { + var a, strict = config._strict; + switch (token) { + case 'Q': + return parseTokenOneDigit; + case 'DDDD': + return parseTokenThreeDigits; + case 'YYYY': + case 'GGGG': + case 'gggg': + return strict ? parseTokenFourDigits : parseTokenOneToFourDigits; + case 'Y': + case 'G': + case 'g': + return parseTokenSignedNumber; + case 'YYYYYY': + case 'YYYYY': + case 'GGGGG': + case 'ggggg': + return strict ? parseTokenSixDigits : parseTokenOneToSixDigits; + case 'S': + if (strict) { + return parseTokenOneDigit; + } + /* falls through */ + case 'SS': + if (strict) { + return parseTokenTwoDigits; + } + /* falls through */ + case 'SSS': + if (strict) { + return parseTokenThreeDigits; + } + /* falls through */ + case 'DDD': + return parseTokenOneToThreeDigits; + case 'MMM': + case 'MMMM': + case 'dd': + case 'ddd': + case 'dddd': + return parseTokenWord; + case 'a': + case 'A': + return config._locale._meridiemParse; + case 'x': + return parseTokenOffsetMs; + case 'X': + return parseTokenTimestampMs; + case 'Z': + case 'ZZ': + return parseTokenTimezone; + case 'T': + return parseTokenT; + case 'SSSS': + return parseTokenDigits; + case 'MM': + case 'DD': + case 'YY': + case 'GG': + case 'gg': + case 'HH': + case 'hh': + case 'mm': + case 'ss': + case 'ww': + case 'WW': + return strict ? parseTokenTwoDigits : parseTokenOneOrTwoDigits; + case 'M': + case 'D': + case 'd': + case 'H': + case 'h': + case 'm': + case 's': + case 'w': + case 'W': + case 'e': + case 'E': + return parseTokenOneOrTwoDigits; + case 'Do': + return strict ? config._locale._ordinalParse : config._locale._ordinalParseLenient; + default : + a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), 'i')); + return a; + } } - } - this._setBackgroundColor(options && options.backgroundColor); + function utcOffsetFromString(string) { + string = string || ''; + var possibleTzMatches = (string.match(parseTokenTimezone) || []), + tzChunk = possibleTzMatches[possibleTzMatches.length - 1] || [], + parts = (tzChunk + '').match(parseTimezoneChunker) || ['-', 0, 0], + minutes = +(parts[1] * 60) + toInt(parts[2]); - this.setSize(this.width, this.height); + return parts[0] === '+' ? minutes : -minutes; + } - // re-load the data - if (this.dataTable) { - this.setData(this.dataTable); - } + // function to convert string input to date + function addTimeToArrayFromToken(token, input, config) { + var a, datePartArray = config._a; - // start animation when option is true - if (this.animationAutoStart && this.dataFilter) { - this.animationStart(); - } - }; + switch (token) { + // QUARTER + case 'Q': + if (input != null) { + datePartArray[MONTH] = (toInt(input) - 1) * 3; + } + break; + // MONTH + case 'M' : // fall through to MM + case 'MM' : + if (input != null) { + datePartArray[MONTH] = toInt(input) - 1; + } + break; + case 'MMM' : // fall through to MMMM + case 'MMMM' : + a = config._locale.monthsParse(input, token, config._strict); + // if we didn't find a month name, mark the date as invalid. + if (a != null) { + datePartArray[MONTH] = a; + } else { + config._pf.invalidMonth = input; + } + break; + // DAY OF MONTH + case 'D' : // fall through to DD + case 'DD' : + if (input != null) { + datePartArray[DATE] = toInt(input); + } + break; + case 'Do' : + if (input != null) { + datePartArray[DATE] = toInt(parseInt( + input.match(/\d{1,2}/)[0], 10)); + } + break; + // DAY OF YEAR + case 'DDD' : // fall through to DDDD + case 'DDDD' : + if (input != null) { + config._dayOfYear = toInt(input); + } - /** - * Redraw the Graph. - */ - Graph3d.prototype.redraw = function() { - if (this.dataPoints === undefined) { - throw 'Error: graph data not initialized'; - } + break; + // YEAR + case 'YY' : + datePartArray[YEAR] = moment.parseTwoDigitYear(input); + break; + case 'YYYY' : + case 'YYYYY' : + case 'YYYYYY' : + datePartArray[YEAR] = toInt(input); + break; + // AM / PM + case 'a' : // fall through to A + case 'A' : + config._meridiem = input; + // config._isPm = config._locale.isPM(input); + break; + // HOUR + case 'h' : // fall through to hh + case 'hh' : + config._pf.bigHour = true; + /* falls through */ + case 'H' : // fall through to HH + case 'HH' : + datePartArray[HOUR] = toInt(input); + break; + // MINUTE + case 'm' : // fall through to mm + case 'mm' : + datePartArray[MINUTE] = toInt(input); + break; + // SECOND + case 's' : // fall through to ss + case 'ss' : + datePartArray[SECOND] = toInt(input); + break; + // MILLISECOND + case 'S' : + case 'SS' : + case 'SSS' : + case 'SSSS' : + datePartArray[MILLISECOND] = toInt(('0.' + input) * 1000); + break; + // UNIX OFFSET (MILLISECONDS) + case 'x': + config._d = new Date(toInt(input)); + break; + // UNIX TIMESTAMP WITH MS + case 'X': + config._d = new Date(parseFloat(input) * 1000); + break; + // TIMEZONE + case 'Z' : // fall through to ZZ + case 'ZZ' : + config._useUTC = true; + config._tzm = utcOffsetFromString(input); + break; + // WEEKDAY - human + case 'dd': + case 'ddd': + case 'dddd': + a = config._locale.weekdaysParse(input); + // if we didn't get a weekday name, mark the date as invalid + if (a != null) { + config._w = config._w || {}; + config._w['d'] = a; + } else { + config._pf.invalidWeekday = input; + } + break; + // WEEK, WEEK DAY - numeric + case 'w': + case 'ww': + case 'W': + case 'WW': + case 'd': + case 'e': + case 'E': + token = token.substr(0, 1); + /* falls through */ + case 'gggg': + case 'GGGG': + case 'GGGGG': + token = token.substr(0, 2); + if (input) { + config._w = config._w || {}; + config._w[token] = toInt(input); + } + break; + case 'gg': + case 'GG': + config._w = config._w || {}; + config._w[token] = moment.parseTwoDigitYear(input); + } + } - this._resizeCanvas(); - this._resizeCenter(); - this._redrawSlider(); - this._redrawClear(); - this._redrawAxis(); + function dayOfYearFromWeekInfo(config) { + var w, weekYear, week, weekday, dow, doy, temp; - if (this.style === Graph3d.STYLE.GRID || - this.style === Graph3d.STYLE.SURFACE) { - this._redrawDataGrid(); - } - else if (this.style === Graph3d.STYLE.LINE) { - this._redrawDataLine(); - } - else if (this.style === Graph3d.STYLE.BAR || - this.style === Graph3d.STYLE.BARCOLOR || - this.style === Graph3d.STYLE.BARSIZE) { - this._redrawDataBar(); - } - else { - // style is DOT, DOTLINE, DOTCOLOR, DOTSIZE - this._redrawDataDot(); - } + w = config._w; + if (w.GG != null || w.W != null || w.E != null) { + dow = 1; + doy = 4; - this._redrawInfo(); - this._redrawLegend(); - }; + // TODO: We need to take the current isoWeekYear, but that depends on + // how we interpret now (local, utc, fixed offset). So create + // a now version of current config (take local/utc/offset flags, and + // create now). + weekYear = dfl(w.GG, config._a[YEAR], weekOfYear(moment(), 1, 4).year); + week = dfl(w.W, 1); + weekday = dfl(w.E, 1); + } else { + dow = config._locale._week.dow; + doy = config._locale._week.doy; - /** - * Clear the canvas before redrawing - */ - Graph3d.prototype._redrawClear = function() { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); + weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year); + week = dfl(w.w, 1); - ctx.clearRect(0, 0, canvas.width, canvas.height); - }; + if (w.d != null) { + // weekday -- low day numbers are considered next week + weekday = w.d; + if (weekday < dow) { + ++week; + } + } else if (w.e != null) { + // local weekday -- counting starts from begining of week + weekday = w.e + dow; + } else { + // default to begining of week + weekday = dow; + } + } + temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow); + config._a[YEAR] = temp.year; + config._dayOfYear = temp.dayOfYear; + } - /** - * Redraw the legend showing the colors - */ - Graph3d.prototype._redrawLegend = function() { - var y; + // convert an array to a date. + // the array should mirror the parameters below + // note: all values past the year are optional and will default to the lowest possible value. + // [year, month, day , hour, minute, second, millisecond] + function dateFromConfig(config) { + var i, date, input = [], currentDate, yearToUse; - if (this.style === Graph3d.STYLE.DOTCOLOR || - this.style === Graph3d.STYLE.DOTSIZE) { + if (config._d) { + return; + } - var dotSize = this.frame.clientWidth * 0.02; + currentDate = currentDateArray(config); - var widthMin, widthMax; - if (this.style === Graph3d.STYLE.DOTSIZE) { - widthMin = dotSize / 2; // px - widthMax = dotSize / 2 + dotSize * 2; // Todo: put this in one function - } - else { - widthMin = 20; // px - widthMax = 20; // px - } + //compute day of the year from weeks and weekdays + if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { + dayOfYearFromWeekInfo(config); + } - var height = Math.max(this.frame.clientHeight * 0.25, 100); - var top = this.margin; - var right = this.frame.clientWidth - this.margin; - var left = right - widthMax; - var bottom = top + height; - } + //if the day of the year is set, figure out what it is + if (config._dayOfYear) { + yearToUse = dfl(config._a[YEAR], currentDate[YEAR]); - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); - ctx.lineWidth = 1; - ctx.font = '14px arial'; // TODO: put in options + if (config._dayOfYear > daysInYear(yearToUse)) { + config._pf._overflowDayOfYear = true; + } - if (this.style === Graph3d.STYLE.DOTCOLOR) { - // draw the color bar - var ymin = 0; - var ymax = height; // Todo: make height customizable - for (y = ymin; y < ymax; y++) { - var f = (y - ymin) / (ymax - ymin); + date = makeUTCDate(yearToUse, 0, config._dayOfYear); + config._a[MONTH] = date.getUTCMonth(); + config._a[DATE] = date.getUTCDate(); + } - //var width = (dotSize / 2 + (1-f) * dotSize * 2); // Todo: put this in one function - var hue = f * 240; - var color = this._hsv2rgb(hue, 1, 1); + // Default to current date. + // * if no year, month, day of month are given, default to today + // * if day of month is given, default month and year + // * if month is given, default only year + // * if year is given, don't default anything + for (i = 0; i < 3 && config._a[i] == null; ++i) { + config._a[i] = input[i] = currentDate[i]; + } - ctx.strokeStyle = color; - ctx.beginPath(); - ctx.moveTo(left, top + y); - ctx.lineTo(right, top + y); - ctx.stroke(); - } + // Zero out whatever was not defaulted, including time + for (; i < 7; i++) { + config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i]; + } - ctx.strokeStyle = this.colorAxis; - ctx.strokeRect(left, top, widthMax, height); - } + // Check for 24:00:00.000 + if (config._a[HOUR] === 24 && + config._a[MINUTE] === 0 && + config._a[SECOND] === 0 && + config._a[MILLISECOND] === 0) { + config._nextDay = true; + config._a[HOUR] = 0; + } - if (this.style === Graph3d.STYLE.DOTSIZE) { - // draw border around color bar - ctx.strokeStyle = this.colorAxis; - ctx.fillStyle = this.colorDot; - ctx.beginPath(); - ctx.moveTo(left, top); - ctx.lineTo(right, top); - ctx.lineTo(right - widthMax + widthMin, bottom); - ctx.lineTo(left, bottom); - ctx.closePath(); - ctx.fill(); - ctx.stroke(); - } + config._d = (config._useUTC ? makeUTCDate : makeDate).apply(null, input); + // Apply timezone offset from input. The actual utcOffset can be changed + // with parseZone. + if (config._tzm != null) { + config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); + } - if (this.style === Graph3d.STYLE.DOTCOLOR || - this.style === Graph3d.STYLE.DOTSIZE) { - // print values along the color bar - var gridLineLen = 5; // px - var step = new StepNumber(this.valueMin, this.valueMax, (this.valueMax-this.valueMin)/5, true); - step.start(); - if (step.getCurrent() < this.valueMin) { - step.next(); + if (config._nextDay) { + config._a[HOUR] = 24; + } } - while (!step.end()) { - y = bottom - (step.getCurrent() - this.valueMin) / (this.valueMax - this.valueMin) * height; - ctx.beginPath(); - ctx.moveTo(left - gridLineLen, y); - ctx.lineTo(left, y); - ctx.stroke(); + function dateFromObject(config) { + var normalizedInput; - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = this.colorAxis; - ctx.fillText(step.getCurrent(), left - 2 * gridLineLen, y); + if (config._d) { + return; + } - step.next(); - } + normalizedInput = normalizeObjectUnits(config._i); + config._a = [ + normalizedInput.year, + normalizedInput.month, + normalizedInput.day || normalizedInput.date, + normalizedInput.hour, + normalizedInput.minute, + normalizedInput.second, + normalizedInput.millisecond + ]; - ctx.textAlign = 'right'; - ctx.textBaseline = 'top'; - var label = this.legendLabel; - ctx.fillText(label, right, bottom + this.margin); - } - }; + dateFromConfig(config); + } - /** - * Redraw the filter - */ - Graph3d.prototype._redrawFilter = function() { - this.frame.filter.innerHTML = ''; + function currentDateArray(config) { + var now = new Date(); + if (config._useUTC) { + return [ + now.getUTCFullYear(), + now.getUTCMonth(), + now.getUTCDate() + ]; + } else { + return [now.getFullYear(), now.getMonth(), now.getDate()]; + } + } - if (this.dataFilter) { - var options = { - 'visible': this.showAnimationControls - }; - var slider = new Slider(this.frame.filter, options); - this.frame.filter.slider = slider; + // date from string and format string + function makeDateFromStringAndFormat(config) { + if (config._f === moment.ISO_8601) { + parseISO(config); + return; + } - // TODO: css here is not nice here... - this.frame.filter.style.padding = '10px'; - //this.frame.filter.style.backgroundColor = '#EFEFEF'; + config._a = []; + config._pf.empty = true; - slider.setValues(this.dataFilter.values); - slider.setPlayInterval(this.animationInterval); + // This array is used to make a Date, either with `new Date` or `Date.UTC` + var string = '' + config._i, + i, parsedInput, tokens, token, skipped, + stringLength = string.length, + totalParsedInputLength = 0; - // create an event handler - var me = this; - var onchange = function () { - var index = slider.getIndex(); + tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; - me.dataFilter.selectValue(index); - me.dataPoints = me.dataFilter._getDataPoints(); + for (i = 0; i < tokens.length; i++) { + token = tokens[i]; + parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0]; + if (parsedInput) { + skipped = string.substr(0, string.indexOf(parsedInput)); + if (skipped.length > 0) { + config._pf.unusedInput.push(skipped); + } + string = string.slice(string.indexOf(parsedInput) + parsedInput.length); + totalParsedInputLength += parsedInput.length; + } + // don't parse if it's not a known token + if (formatTokenFunctions[token]) { + if (parsedInput) { + config._pf.empty = false; + } + else { + config._pf.unusedTokens.push(token); + } + addTimeToArrayFromToken(token, parsedInput, config); + } + else if (config._strict && !parsedInput) { + config._pf.unusedTokens.push(token); + } + } - me.redraw(); - }; - slider.setOnChangeCallback(onchange); - } - else { - this.frame.filter.slider = undefined; - } - }; + // add remaining unparsed input length to the string + config._pf.charsLeftOver = stringLength - totalParsedInputLength; + if (string.length > 0) { + config._pf.unusedInput.push(string); + } - /** - * Redraw the slider - */ - Graph3d.prototype._redrawSlider = function() { - if ( this.frame.filter.slider !== undefined) { - this.frame.filter.slider.redraw(); - } - }; + // clear _12h flag if hour is <= 12 + if (config._pf.bigHour === true && config._a[HOUR] <= 12) { + config._pf.bigHour = undefined; + } + // handle meridiem + config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], + config._meridiem); + dateFromConfig(config); + checkOverflow(config); + } + function unescapeFormat(s) { + return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { + return p1 || p2 || p3 || p4; + }); + } - /** - * Redraw common information - */ - Graph3d.prototype._redrawInfo = function() { - if (this.dataFilter) { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); + // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript + function regexpEscape(s) { + return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + } - ctx.font = '14px arial'; // TODO: put in options - ctx.lineStyle = 'gray'; - ctx.fillStyle = 'gray'; - ctx.textAlign = 'left'; - ctx.textBaseline = 'top'; + // date from string and array of format strings + function makeDateFromStringAndArray(config) { + var tempConfig, + bestMoment, - var x = this.margin; - var y = this.margin; - ctx.fillText(this.dataFilter.getLabel() + ': ' + this.dataFilter.getSelectedValue(), x, y); - } - }; + scoreToBeat, + i, + currentScore; + if (config._f.length === 0) { + config._pf.invalidFormat = true; + config._d = new Date(NaN); + return; + } - /** - * Redraw the axis - */ - Graph3d.prototype._redrawAxis = function() { - var canvas = this.frame.canvas, - ctx = canvas.getContext('2d'), - from, to, step, prettyStep, - text, xText, yText, zText, - offset, xOffset, yOffset, - xMin2d, xMax2d; + for (i = 0; i < config._f.length; i++) { + currentScore = 0; + tempConfig = copyConfig({}, config); + if (config._useUTC != null) { + tempConfig._useUTC = config._useUTC; + } + tempConfig._pf = defaultParsingFlags(); + tempConfig._f = config._f[i]; + makeDateFromStringAndFormat(tempConfig); - // TODO: get the actual rendered style of the containerElement - //ctx.font = this.containerElement.style.font; - ctx.font = 24 / this.camera.getArmLength() + 'px arial'; + if (!isValid(tempConfig)) { + continue; + } - // calculate the length for the short grid lines - var gridLenX = 0.025 / this.scale.x; - var gridLenY = 0.025 / this.scale.y; - var textMargin = 5 / this.camera.getArmLength(); // px - var armAngle = this.camera.getArmRotation().horizontal; + // if there is any input that was not parsed add a penalty for that format + currentScore += tempConfig._pf.charsLeftOver; - // draw x-grid lines - ctx.lineWidth = 1; - prettyStep = (this.defaultXStep === undefined); - step = new StepNumber(this.xMin, this.xMax, this.xStep, prettyStep); - step.start(); - if (step.getCurrent() < this.xMin) { - step.next(); - } - while (!step.end()) { - var x = step.getCurrent(); + //or tokens + currentScore += tempConfig._pf.unusedTokens.length * 10; - if (this.showGrid) { - from = this._convert3Dto2D(new Point3d(x, this.yMin, this.zMin)); - to = this._convert3Dto2D(new Point3d(x, this.yMax, this.zMin)); - ctx.strokeStyle = this.colorGrid; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); - } - else { - from = this._convert3Dto2D(new Point3d(x, this.yMin, this.zMin)); - to = this._convert3Dto2D(new Point3d(x, this.yMin+gridLenX, this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); + tempConfig._pf.score = currentScore; - from = this._convert3Dto2D(new Point3d(x, this.yMax, this.zMin)); - to = this._convert3Dto2D(new Point3d(x, this.yMax-gridLenX, this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); - } + if (scoreToBeat == null || currentScore < scoreToBeat) { + scoreToBeat = currentScore; + bestMoment = tempConfig; + } + } - yText = (Math.cos(armAngle) > 0) ? this.yMin : this.yMax; - text = this._convert3Dto2D(new Point3d(x, yText, this.zMin)); - if (Math.cos(armAngle * 2) > 0) { - ctx.textAlign = 'center'; - ctx.textBaseline = 'top'; - text.y += textMargin; - } - else if (Math.sin(armAngle * 2) < 0){ - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - } - else { - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; + extend(config, bestMoment || tempConfig); } - ctx.fillStyle = this.colorAxis; - ctx.fillText(' ' + this.xValueLabel(step.getCurrent()) + ' ', text.x, text.y); - step.next(); - } + // date from iso format + function parseISO(config) { + var i, l, + string = config._i, + match = isoRegex.exec(string); - // draw y-grid lines - ctx.lineWidth = 1; - prettyStep = (this.defaultYStep === undefined); - step = new StepNumber(this.yMin, this.yMax, this.yStep, prettyStep); - step.start(); - if (step.getCurrent() < this.yMin) { - step.next(); - } - while (!step.end()) { - if (this.showGrid) { - from = this._convert3Dto2D(new Point3d(this.xMin, step.getCurrent(), this.zMin)); - to = this._convert3Dto2D(new Point3d(this.xMax, step.getCurrent(), this.zMin)); - ctx.strokeStyle = this.colorGrid; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); + if (match) { + config._pf.iso = true; + for (i = 0, l = isoDates.length; i < l; i++) { + if (isoDates[i][1].exec(string)) { + // match[5] should be 'T' or undefined + config._f = isoDates[i][0] + (match[6] || ' '); + break; + } + } + for (i = 0, l = isoTimes.length; i < l; i++) { + if (isoTimes[i][1].exec(string)) { + config._f += isoTimes[i][0]; + break; + } + } + if (string.match(parseTokenTimezone)) { + config._f += 'Z'; + } + makeDateFromStringAndFormat(config); + } else { + config._isValid = false; + } } - else { - from = this._convert3Dto2D(new Point3d(this.xMin, step.getCurrent(), this.zMin)); - to = this._convert3Dto2D(new Point3d(this.xMin+gridLenY, step.getCurrent(), this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); - from = this._convert3Dto2D(new Point3d(this.xMax, step.getCurrent(), this.zMin)); - to = this._convert3Dto2D(new Point3d(this.xMax-gridLenY, step.getCurrent(), this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); + // date from iso format or fallback + function makeDateFromString(config) { + parseISO(config); + if (config._isValid === false) { + delete config._isValid; + moment.createFromInputFallback(config); + } } - xText = (Math.sin(armAngle ) > 0) ? this.xMin : this.xMax; - text = this._convert3Dto2D(new Point3d(xText, step.getCurrent(), this.zMin)); - if (Math.cos(armAngle * 2) < 0) { - ctx.textAlign = 'center'; - ctx.textBaseline = 'top'; - text.y += textMargin; - } - else if (Math.sin(armAngle * 2) > 0){ - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - } - else { - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; + function map(arr, fn) { + var res = [], i; + for (i = 0; i < arr.length; ++i) { + res.push(fn(arr[i], i)); + } + return res; } - ctx.fillStyle = this.colorAxis; - ctx.fillText(' ' + this.yValueLabel(step.getCurrent()) + ' ', text.x, text.y); - step.next(); - } + function makeDateFromInput(config) { + var input = config._i, matched; + if (input === undefined) { + config._d = new Date(); + } else if (isDate(input)) { + config._d = new Date(+input); + } else if ((matched = aspNetJsonRegex.exec(input)) !== null) { + config._d = new Date(+matched[1]); + } else if (typeof input === 'string') { + makeDateFromString(config); + } else if (isArray(input)) { + config._a = map(input.slice(0), function (obj) { + return parseInt(obj, 10); + }); + dateFromConfig(config); + } else if (typeof(input) === 'object') { + dateFromObject(config); + } else if (typeof(input) === 'number') { + // from milliseconds + config._d = new Date(input); + } else { + moment.createFromInputFallback(config); + } + } - // draw z-grid lines and axis - ctx.lineWidth = 1; - prettyStep = (this.defaultZStep === undefined); - step = new StepNumber(this.zMin, this.zMax, this.zStep, prettyStep); - step.start(); - if (step.getCurrent() < this.zMin) { - step.next(); - } - xText = (Math.cos(armAngle ) > 0) ? this.xMin : this.xMax; - yText = (Math.sin(armAngle ) < 0) ? this.yMin : this.yMax; - while (!step.end()) { - // TODO: make z-grid lines really 3d? - from = this._convert3Dto2D(new Point3d(xText, yText, step.getCurrent())); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(from.x - textMargin, from.y); - ctx.stroke(); + function makeDate(y, m, d, h, M, s, ms) { + //can't just apply() to create a date: + //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply + var date = new Date(y, m, d, h, M, s, ms); - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = this.colorAxis; - ctx.fillText(this.zValueLabel(step.getCurrent()) + ' ', from.x - 5, from.y); + //the date constructor doesn't accept years < 1970 + if (y < 1970) { + date.setFullYear(y); + } + return date; + } - step.next(); - } - ctx.lineWidth = 1; - from = this._convert3Dto2D(new Point3d(xText, yText, this.zMin)); - to = this._convert3Dto2D(new Point3d(xText, yText, this.zMax)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); + function makeUTCDate(y) { + var date = new Date(Date.UTC.apply(null, arguments)); + if (y < 1970) { + date.setUTCFullYear(y); + } + return date; + } - // draw x-axis - ctx.lineWidth = 1; - // line at yMin - xMin2d = this._convert3Dto2D(new Point3d(this.xMin, this.yMin, this.zMin)); - xMax2d = this._convert3Dto2D(new Point3d(this.xMax, this.yMin, this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(xMin2d.x, xMin2d.y); - ctx.lineTo(xMax2d.x, xMax2d.y); - ctx.stroke(); - // line at ymax - xMin2d = this._convert3Dto2D(new Point3d(this.xMin, this.yMax, this.zMin)); - xMax2d = this._convert3Dto2D(new Point3d(this.xMax, this.yMax, this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(xMin2d.x, xMin2d.y); - ctx.lineTo(xMax2d.x, xMax2d.y); - ctx.stroke(); + function parseWeekday(input, locale) { + if (typeof input === 'string') { + if (!isNaN(input)) { + input = parseInt(input, 10); + } + else { + input = locale.weekdaysParse(input); + if (typeof input !== 'number') { + return null; + } + } + } + return input; + } - // draw y-axis - ctx.lineWidth = 1; - // line at xMin - from = this._convert3Dto2D(new Point3d(this.xMin, this.yMin, this.zMin)); - to = this._convert3Dto2D(new Point3d(this.xMin, this.yMax, this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); - // line at xMax - from = this._convert3Dto2D(new Point3d(this.xMax, this.yMin, this.zMin)); - to = this._convert3Dto2D(new Point3d(this.xMax, this.yMax, this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); + /************************************ + Relative Time + ************************************/ - // draw x-label - var xLabel = this.xLabel; - if (xLabel.length > 0) { - yOffset = 0.1 / this.scale.y; - xText = (this.xMin + this.xMax) / 2; - yText = (Math.cos(armAngle) > 0) ? this.yMin - yOffset: this.yMax + yOffset; - text = this._convert3Dto2D(new Point3d(xText, yText, this.zMin)); - if (Math.cos(armAngle * 2) > 0) { - ctx.textAlign = 'center'; - ctx.textBaseline = 'top'; - } - else if (Math.sin(armAngle * 2) < 0){ - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - } - else { - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; - } - ctx.fillStyle = this.colorAxis; - ctx.fillText(xLabel, text.x, text.y); - } - // draw y-label - var yLabel = this.yLabel; - if (yLabel.length > 0) { - xOffset = 0.1 / this.scale.x; - xText = (Math.sin(armAngle ) > 0) ? this.xMin - xOffset : this.xMax + xOffset; - yText = (this.yMin + this.yMax) / 2; - text = this._convert3Dto2D(new Point3d(xText, yText, this.zMin)); - if (Math.cos(armAngle * 2) < 0) { - ctx.textAlign = 'center'; - ctx.textBaseline = 'top'; - } - else if (Math.sin(armAngle * 2) > 0){ - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - } - else { - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; + // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize + function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { + return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); } - ctx.fillStyle = this.colorAxis; - ctx.fillText(yLabel, text.x, text.y); - } - // draw z-label - var zLabel = this.zLabel; - if (zLabel.length > 0) { - offset = 30; // pixels. // TODO: relate to the max width of the values on the z axis? - xText = (Math.cos(armAngle ) > 0) ? this.xMin : this.xMax; - yText = (Math.sin(armAngle ) < 0) ? this.yMin : this.yMax; - zText = (this.zMin + this.zMax) / 2; - text = this._convert3Dto2D(new Point3d(xText, yText, zText)); - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = this.colorAxis; - ctx.fillText(zLabel, text.x - offset, text.y); - } - }; + function relativeTime(posNegDuration, withoutSuffix, locale) { + var duration = moment.duration(posNegDuration).abs(), + seconds = round(duration.as('s')), + minutes = round(duration.as('m')), + hours = round(duration.as('h')), + days = round(duration.as('d')), + months = round(duration.as('M')), + years = round(duration.as('y')), - /** - * Calculate the color based on the given value. - * @param {Number} H Hue, a value be between 0 and 360 - * @param {Number} S Saturation, a value between 0 and 1 - * @param {Number} V Value, a value between 0 and 1 - */ - Graph3d.prototype._hsv2rgb = function(H, S, V) { - var R, G, B, C, Hi, X; + args = seconds < relativeTimeThresholds.s && ['s', seconds] || + minutes === 1 && ['m'] || + minutes < relativeTimeThresholds.m && ['mm', minutes] || + hours === 1 && ['h'] || + hours < relativeTimeThresholds.h && ['hh', hours] || + days === 1 && ['d'] || + days < relativeTimeThresholds.d && ['dd', days] || + months === 1 && ['M'] || + months < relativeTimeThresholds.M && ['MM', months] || + years === 1 && ['y'] || ['yy', years]; - C = V * S; - Hi = Math.floor(H/60); // hi = 0,1,2,3,4,5 - X = C * (1 - Math.abs(((H/60) % 2) - 1)); + args[2] = withoutSuffix; + args[3] = +posNegDuration > 0; + args[4] = locale; + return substituteTimeAgo.apply({}, args); + } - switch (Hi) { - case 0: R = C; G = X; B = 0; break; - case 1: R = X; G = C; B = 0; break; - case 2: R = 0; G = C; B = X; break; - case 3: R = 0; G = X; B = C; break; - case 4: R = X; G = 0; B = C; break; - case 5: R = C; G = 0; B = X; break; - default: R = 0; G = 0; B = 0; break; - } + /************************************ + Week of Year + ************************************/ - return 'RGB(' + parseInt(R*255) + ',' + parseInt(G*255) + ',' + parseInt(B*255) + ')'; - }; + // firstDayOfWeek 0 = sun, 6 = sat + // the day of the week that starts the week + // (usually sunday or monday) + // firstDayOfWeekOfYear 0 = sun, 6 = sat + // the first week is the week that contains the first + // of this day of the week + // (eg. ISO weeks use thursday (4)) + function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) { + var end = firstDayOfWeekOfYear - firstDayOfWeek, + daysToDayOfWeek = firstDayOfWeekOfYear - mom.day(), + adjustedMoment; - /** - * Draw all datapoints as a grid - * This function can be used when the style is 'grid' - */ - Graph3d.prototype._redrawDataGrid = function() { - var canvas = this.frame.canvas, - ctx = canvas.getContext('2d'), - point, right, top, cross, - i, - topSideVisible, fillStyle, strokeStyle, lineWidth, - h, s, v, zAvg; + if (daysToDayOfWeek > end) { + daysToDayOfWeek -= 7; + } - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + if (daysToDayOfWeek < end - 7) { + daysToDayOfWeek += 7; + } - // calculate the translations and screen position of all points - for (i = 0; i < this.dataPoints.length; i++) { - var trans = this._convertPointToTranslation(this.dataPoints[i].point); - var screen = this._convertTranslationToScreen(trans); + adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd'); + return { + week: Math.ceil(adjustedMoment.dayOfYear() / 7), + year: adjustedMoment.year() + }; + } - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; + //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday + function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) { + var d = makeUTCDate(year, 0, 1).getUTCDay(), daysToAdd, dayOfYear; - // calculate the translation of the point at the bottom (needed for sorting) - var transBottom = this._convertPointToTranslation(this.dataPoints[i].bottom); - this.dataPoints[i].dist = this.showPerspective ? transBottom.length() : -transBottom.z; - } + d = d === 0 ? 7 : d; + weekday = weekday != null ? weekday : firstDayOfWeek; + daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0); + dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1; - // sort the points on depth of their (x,y) position (not on z) - var sortDepth = function (a, b) { - return b.dist - a.dist; - }; - this.dataPoints.sort(sortDepth); + return { + year: dayOfYear > 0 ? year : year - 1, + dayOfYear: dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear + }; + } - if (this.style === Graph3d.STYLE.SURFACE) { - for (i = 0; i < this.dataPoints.length; i++) { - point = this.dataPoints[i]; - right = this.dataPoints[i].pointRight; - top = this.dataPoints[i].pointTop; - cross = this.dataPoints[i].pointCross; + /************************************ + Top Level Functions + ************************************/ - if (point !== undefined && right !== undefined && top !== undefined && cross !== undefined) { + function makeMoment(config) { + var input = config._i, + format = config._f, + res; - if (this.showGrayBottom || this.showShadow) { - // calculate the cross product of the two vectors from center - // to left and right, in order to know whether we are looking at the - // bottom or at the top side. We can also use the cross product - // for calculating light intensity - var aDiff = Point3d.subtract(cross.trans, point.trans); - var bDiff = Point3d.subtract(top.trans, right.trans); - var crossproduct = Point3d.crossProduct(aDiff, bDiff); - var len = crossproduct.length(); - // FIXME: there is a bug with determining the surface side (shadow or colored) + config._locale = config._locale || moment.localeData(config._l); - topSideVisible = (crossproduct.z > 0); - } - else { - topSideVisible = true; + if (input === null || (format === undefined && input === '')) { + return moment.invalid({nullInput: true}); } - if (topSideVisible) { - // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 - zAvg = (point.point.z + right.point.z + top.point.z + cross.point.z) / 4; - h = (1 - (zAvg - this.zMin) * this.scale.z / this.verticalRatio) * 240; - s = 1; // saturation + if (typeof input === 'string') { + config._i = input = config._locale.preparse(input); + } - if (this.showShadow) { - v = Math.min(1 + (crossproduct.x / len) / 2, 1); // value. TODO: scale - fillStyle = this._hsv2rgb(h, s, v); - strokeStyle = fillStyle; - } - else { - v = 1; - fillStyle = this._hsv2rgb(h, s, v); - strokeStyle = this.colorAxis; - } + if (moment.isMoment(input)) { + return new Moment(input, true); + } else if (format) { + if (isArray(format)) { + makeDateFromStringAndArray(config); + } else { + makeDateFromStringAndFormat(config); + } + } else { + makeDateFromInput(config); } - else { - fillStyle = 'gray'; - strokeStyle = this.colorAxis; + + res = new Moment(config); + if (res._nextDay) { + // Adding is smart enough around DST + res.add(1, 'd'); + res._nextDay = undefined; } - lineWidth = 0.5; - ctx.lineWidth = lineWidth; - ctx.fillStyle = fillStyle; - ctx.strokeStyle = strokeStyle; - ctx.beginPath(); - ctx.moveTo(point.screen.x, point.screen.y); - ctx.lineTo(right.screen.x, right.screen.y); - ctx.lineTo(cross.screen.x, cross.screen.y); - ctx.lineTo(top.screen.x, top.screen.y); - ctx.closePath(); - ctx.fill(); - ctx.stroke(); - } + return res; } - } - else { // grid style - for (i = 0; i < this.dataPoints.length; i++) { - point = this.dataPoints[i]; - right = this.dataPoints[i].pointRight; - top = this.dataPoints[i].pointTop; - if (point !== undefined) { - if (this.showPerspective) { - lineWidth = 2 / -point.trans.z; - } - else { - lineWidth = 2 * -(this.eye.z / this.camera.getArmLength()); + moment = function (input, format, locale, strict) { + var c; + + if (typeof(locale) === 'boolean') { + strict = locale; + locale = undefined; } - } + // object construction must be done this way. + // https://github.com/moment/moment/issues/1423 + c = {}; + c._isAMomentObject = true; + c._i = input; + c._f = format; + c._l = locale; + c._strict = strict; + c._isUTC = false; + c._pf = defaultParsingFlags(); - if (point !== undefined && right !== undefined) { - // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 - zAvg = (point.point.z + right.point.z) / 2; - h = (1 - (zAvg - this.zMin) * this.scale.z / this.verticalRatio) * 240; + return makeMoment(c); + }; - ctx.lineWidth = lineWidth; - ctx.strokeStyle = this._hsv2rgb(h, 1, 1); - ctx.beginPath(); - ctx.moveTo(point.screen.x, point.screen.y); - ctx.lineTo(right.screen.x, right.screen.y); - ctx.stroke(); - } + moment.suppressDeprecationWarnings = false; - if (point !== undefined && top !== undefined) { - // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 - zAvg = (point.point.z + top.point.z) / 2; - h = (1 - (zAvg - this.zMin) * this.scale.z / this.verticalRatio) * 240; + moment.createFromInputFallback = deprecate( + 'moment construction falls back to js Date. This is ' + + 'discouraged and will be removed in upcoming major ' + + 'release. Please refer to ' + + 'https://github.com/moment/moment/issues/1407 for more info.', + function (config) { + config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); + } + ); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = this._hsv2rgb(h, 1, 1); - ctx.beginPath(); - ctx.moveTo(point.screen.x, point.screen.y); - ctx.lineTo(top.screen.x, top.screen.y); - ctx.stroke(); - } + // Pick a moment m from moments so that m[fn](other) is true for all + // other. This relies on the function fn to be transitive. + // + // moments should either be an array of moment objects or an array, whose + // first element is an array of moment objects. + function pickBy(fn, moments) { + var res, i; + if (moments.length === 1 && isArray(moments[0])) { + moments = moments[0]; + } + if (!moments.length) { + return moment(); + } + res = moments[0]; + for (i = 1; i < moments.length; ++i) { + if (moments[i][fn](res)) { + res = moments[i]; + } + } + return res; } - } - }; + moment.min = function () { + var args = [].slice.call(arguments, 0); - /** - * Draw all datapoints as dots. - * This function can be used when the style is 'dot' or 'dot-line' - */ - Graph3d.prototype._redrawDataDot = function() { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); - var i; + return pickBy('isBefore', args); + }; - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + moment.max = function () { + var args = [].slice.call(arguments, 0); - // calculate the translations of all points - for (i = 0; i < this.dataPoints.length; i++) { - var trans = this._convertPointToTranslation(this.dataPoints[i].point); - var screen = this._convertTranslationToScreen(trans); - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; + return pickBy('isAfter', args); + }; - // calculate the distance from the point at the bottom to the camera - var transBottom = this._convertPointToTranslation(this.dataPoints[i].bottom); - this.dataPoints[i].dist = this.showPerspective ? transBottom.length() : -transBottom.z; - } + // creating with utc + moment.utc = function (input, format, locale, strict) { + var c; - // order the translated points by depth - var sortDepth = function (a, b) { - return b.dist - a.dist; - }; - this.dataPoints.sort(sortDepth); + if (typeof(locale) === 'boolean') { + strict = locale; + locale = undefined; + } + // object construction must be done this way. + // https://github.com/moment/moment/issues/1423 + c = {}; + c._isAMomentObject = true; + c._useUTC = true; + c._isUTC = true; + c._l = locale; + c._i = input; + c._f = format; + c._strict = strict; + c._pf = defaultParsingFlags(); - // draw the datapoints as colored circles - var dotSize = this.frame.clientWidth * 0.02; // px - for (i = 0; i < this.dataPoints.length; i++) { - var point = this.dataPoints[i]; + return makeMoment(c).utc(); + }; - if (this.style === Graph3d.STYLE.DOTLINE) { - // draw a vertical line from the bottom to the graph value - //var from = this._convert3Dto2D(new Point3d(point.point.x, point.point.y, this.zMin)); - var from = this._convert3Dto2D(point.bottom); - ctx.lineWidth = 1; - ctx.strokeStyle = this.colorGrid; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(point.screen.x, point.screen.y); - ctx.stroke(); - } + // creating with unix timestamp (in seconds) + moment.unix = function (input) { + return moment(input * 1000); + }; - // calculate radius for the circle - var size; - if (this.style === Graph3d.STYLE.DOTSIZE) { - size = dotSize/2 + 2*dotSize * (point.point.value - this.valueMin) / (this.valueMax - this.valueMin); - } - else { - size = dotSize; - } + // duration + moment.duration = function (input, key) { + var duration = input, + // matching against regexp is expensive, do it on demand + match = null, + sign, + ret, + parseIso, + diffRes; - var radius; - if (this.showPerspective) { - radius = size / -point.trans.z; - } - else { - radius = size * -(this.eye.z / this.camera.getArmLength()); - } - if (radius < 0) { - radius = 0; - } + if (moment.isDuration(input)) { + duration = { + ms: input._milliseconds, + d: input._days, + M: input._months + }; + } else if (typeof input === 'number') { + duration = {}; + if (key) { + duration[key] = input; + } else { + duration.milliseconds = input; + } + } else if (!!(match = aspNetTimeSpanJsonRegex.exec(input))) { + sign = (match[1] === '-') ? -1 : 1; + duration = { + y: 0, + d: toInt(match[DATE]) * sign, + h: toInt(match[HOUR]) * sign, + m: toInt(match[MINUTE]) * sign, + s: toInt(match[SECOND]) * sign, + ms: toInt(match[MILLISECOND]) * sign + }; + } else if (!!(match = isoDurationRegex.exec(input))) { + sign = (match[1] === '-') ? -1 : 1; + parseIso = function (inp) { + // We'd normally use ~~inp for this, but unfortunately it also + // converts floats to ints. + // inp may be undefined, so careful calling replace on it. + var res = inp && parseFloat(inp.replace(',', '.')); + // apply sign while we're at it + return (isNaN(res) ? 0 : res) * sign; + }; + duration = { + y: parseIso(match[2]), + M: parseIso(match[3]), + d: parseIso(match[4]), + h: parseIso(match[5]), + m: parseIso(match[6]), + s: parseIso(match[7]), + w: parseIso(match[8]) + }; + } else if (duration == null) {// checks for null or undefined + duration = {}; + } else if (typeof duration === 'object' && + ('from' in duration || 'to' in duration)) { + diffRes = momentsDifference(moment(duration.from), moment(duration.to)); - var hue, color, borderColor; - if (this.style === Graph3d.STYLE.DOTCOLOR ) { - // calculate the color based on the value - hue = (1 - (point.point.value - this.valueMin) * this.scale.value) * 240; - color = this._hsv2rgb(hue, 1, 1); - borderColor = this._hsv2rgb(hue, 1, 0.8); - } - else if (this.style === Graph3d.STYLE.DOTSIZE) { - color = this.colorDot; - borderColor = this.colorDotBorder; - } - else { - // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 - hue = (1 - (point.point.z - this.zMin) * this.scale.z / this.verticalRatio) * 240; - color = this._hsv2rgb(hue, 1, 1); - borderColor = this._hsv2rgb(hue, 1, 0.8); - } + duration = {}; + duration.ms = diffRes.milliseconds; + duration.M = diffRes.months; + } - // draw the circle - ctx.lineWidth = 1.0; - ctx.strokeStyle = borderColor; - ctx.fillStyle = color; - ctx.beginPath(); - ctx.arc(point.screen.x, point.screen.y, radius, 0, Math.PI*2, true); - ctx.fill(); - ctx.stroke(); - } - }; + ret = new Duration(duration); - /** - * Draw all datapoints as bars. - * This function can be used when the style is 'bar', 'bar-color', or 'bar-size' - */ - Graph3d.prototype._redrawDataBar = function() { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); - var i, j, surface, corners; + if (moment.isDuration(input) && hasOwnProp(input, '_locale')) { + ret._locale = input._locale; + } - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + return ret; + }; - // calculate the translations of all points - for (i = 0; i < this.dataPoints.length; i++) { - var trans = this._convertPointToTranslation(this.dataPoints[i].point); - var screen = this._convertTranslationToScreen(trans); - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; + // version number + moment.version = VERSION; - // calculate the distance from the point at the bottom to the camera - var transBottom = this._convertPointToTranslation(this.dataPoints[i].bottom); - this.dataPoints[i].dist = this.showPerspective ? transBottom.length() : -transBottom.z; - } + // default format + moment.defaultFormat = isoFormat; - // order the translated points by depth - var sortDepth = function (a, b) { - return b.dist - a.dist; - }; - this.dataPoints.sort(sortDepth); + // constant that refers to the ISO standard + moment.ISO_8601 = function () {}; - // draw the datapoints as bars - var xWidth = this.xBarWidth / 2; - var yWidth = this.yBarWidth / 2; - for (i = 0; i < this.dataPoints.length; i++) { - var point = this.dataPoints[i]; + // Plugins that add properties should also add the key here (null value), + // so we can properly clone ourselves. + moment.momentProperties = momentProperties; + + // This function will be called whenever a moment is mutated. + // It is intended to keep the offset in sync with the timezone. + moment.updateOffset = function () {}; + + // This function allows you to set a threshold for relative time strings + moment.relativeTimeThreshold = function (threshold, limit) { + if (relativeTimeThresholds[threshold] === undefined) { + return false; + } + if (limit === undefined) { + return relativeTimeThresholds[threshold]; + } + relativeTimeThresholds[threshold] = limit; + return true; + }; + + moment.lang = deprecate( + 'moment.lang is deprecated. Use moment.locale instead.', + function (key, value) { + return moment.locale(key, value); + } + ); + + // This function will load locale and then set the global locale. If + // no arguments are passed in, it will simply return the current global + // locale key. + moment.locale = function (key, values) { + var data; + if (key) { + if (typeof(values) !== 'undefined') { + data = moment.defineLocale(key, values); + } + else { + data = moment.localeData(key); + } + + if (data) { + moment.duration._locale = moment._locale = data; + } + } - // determine color - var hue, color, borderColor; - if (this.style === Graph3d.STYLE.BARCOLOR ) { - // calculate the color based on the value - hue = (1 - (point.point.value - this.valueMin) * this.scale.value) * 240; - color = this._hsv2rgb(hue, 1, 1); - borderColor = this._hsv2rgb(hue, 1, 0.8); - } - else if (this.style === Graph3d.STYLE.BARSIZE) { - color = this.colorDot; - borderColor = this.colorDotBorder; - } - else { - // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 - hue = (1 - (point.point.z - this.zMin) * this.scale.z / this.verticalRatio) * 240; - color = this._hsv2rgb(hue, 1, 1); - borderColor = this._hsv2rgb(hue, 1, 0.8); - } + return moment._locale._abbr; + }; - // calculate size for the bar - if (this.style === Graph3d.STYLE.BARSIZE) { - xWidth = (this.xBarWidth / 2) * ((point.point.value - this.valueMin) / (this.valueMax - this.valueMin) * 0.8 + 0.2); - yWidth = (this.yBarWidth / 2) * ((point.point.value - this.valueMin) / (this.valueMax - this.valueMin) * 0.8 + 0.2); - } + moment.defineLocale = function (name, values) { + if (values !== null) { + values.abbr = name; + if (!locales[name]) { + locales[name] = new Locale(); + } + locales[name].set(values); - // calculate all corner points - var me = this; - var point3d = point.point; - var top = [ - {point: new Point3d(point3d.x - xWidth, point3d.y - yWidth, point3d.z)}, - {point: new Point3d(point3d.x + xWidth, point3d.y - yWidth, point3d.z)}, - {point: new Point3d(point3d.x + xWidth, point3d.y + yWidth, point3d.z)}, - {point: new Point3d(point3d.x - xWidth, point3d.y + yWidth, point3d.z)} - ]; - var bottom = [ - {point: new Point3d(point3d.x - xWidth, point3d.y - yWidth, this.zMin)}, - {point: new Point3d(point3d.x + xWidth, point3d.y - yWidth, this.zMin)}, - {point: new Point3d(point3d.x + xWidth, point3d.y + yWidth, this.zMin)}, - {point: new Point3d(point3d.x - xWidth, point3d.y + yWidth, this.zMin)} - ]; + // backwards compat for now: also set the locale + moment.locale(name); - // calculate screen location of the points - top.forEach(function (obj) { - obj.screen = me._convert3Dto2D(obj.point); - }); - bottom.forEach(function (obj) { - obj.screen = me._convert3Dto2D(obj.point); - }); + return locales[name]; + } else { + // useful for testing + delete locales[name]; + return null; + } + }; - // create five sides, calculate both corner points and center points - var surfaces = [ - {corners: top, center: Point3d.avg(bottom[0].point, bottom[2].point)}, - {corners: [top[0], top[1], bottom[1], bottom[0]], center: Point3d.avg(bottom[1].point, bottom[0].point)}, - {corners: [top[1], top[2], bottom[2], bottom[1]], center: Point3d.avg(bottom[2].point, bottom[1].point)}, - {corners: [top[2], top[3], bottom[3], bottom[2]], center: Point3d.avg(bottom[3].point, bottom[2].point)}, - {corners: [top[3], top[0], bottom[0], bottom[3]], center: Point3d.avg(bottom[0].point, bottom[3].point)} - ]; - point.surfaces = surfaces; + moment.langData = deprecate( + 'moment.langData is deprecated. Use moment.localeData instead.', + function (key) { + return moment.localeData(key); + } + ); - // calculate the distance of each of the surface centers to the camera - for (j = 0; j < surfaces.length; j++) { - surface = surfaces[j]; - var transCenter = this._convertPointToTranslation(surface.center); - surface.dist = this.showPerspective ? transCenter.length() : -transCenter.z; - // TODO: this dept calculation doesn't work 100% of the cases due to perspective, - // but the current solution is fast/simple and works in 99.9% of all cases - // the issue is visible in example 14, with graph.setCameraPosition({horizontal: 2.97, vertical: 0.5, distance: 0.9}) - } + // returns locale data + moment.localeData = function (key) { + var locale; - // order the surfaces by their (translated) depth - surfaces.sort(function (a, b) { - var diff = b.dist - a.dist; - if (diff) return diff; + if (key && key._locale && key._locale._abbr) { + key = key._locale._abbr; + } - // if equal depth, sort the top surface last - if (a.corners === top) return 1; - if (b.corners === top) return -1; + if (!key) { + return moment._locale; + } - // both are equal - return 0; - }); + if (!isArray(key)) { + //short-circuit everything else + locale = loadLocale(key); + if (locale) { + return locale; + } + key = [key]; + } - // draw the ordered surfaces - ctx.lineWidth = 1; - ctx.strokeStyle = borderColor; - ctx.fillStyle = color; - // NOTE: we start at j=2 instead of j=0 as we don't need to draw the two surfaces at the backside - for (j = 2; j < surfaces.length; j++) { - surface = surfaces[j]; - corners = surface.corners; - ctx.beginPath(); - ctx.moveTo(corners[3].screen.x, corners[3].screen.y); - ctx.lineTo(corners[0].screen.x, corners[0].screen.y); - ctx.lineTo(corners[1].screen.x, corners[1].screen.y); - ctx.lineTo(corners[2].screen.x, corners[2].screen.y); - ctx.lineTo(corners[3].screen.x, corners[3].screen.y); - ctx.fill(); - ctx.stroke(); - } - } - }; + return chooseLocale(key); + }; + // compare moment object + moment.isMoment = function (obj) { + return obj instanceof Moment || + (obj != null && hasOwnProp(obj, '_isAMomentObject')); + }; - /** - * Draw a line through all datapoints. - * This function can be used when the style is 'line' - */ - Graph3d.prototype._redrawDataLine = function() { - var canvas = this.frame.canvas, - ctx = canvas.getContext('2d'), - point, i; + // for typechecking Duration objects + moment.isDuration = function (obj) { + return obj instanceof Duration; + }; - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + for (i = lists.length - 1; i >= 0; --i) { + makeList(lists[i]); + } - // calculate the translations of all points - for (i = 0; i < this.dataPoints.length; i++) { - var trans = this._convertPointToTranslation(this.dataPoints[i].point); - var screen = this._convertTranslationToScreen(trans); + moment.normalizeUnits = function (units) { + return normalizeUnits(units); + }; - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; - } + moment.invalid = function (flags) { + var m = moment.utc(NaN); + if (flags != null) { + extend(m._pf, flags); + } + else { + m._pf.userInvalidated = true; + } - // start the line - if (this.dataPoints.length > 0) { - point = this.dataPoints[0]; + return m; + }; - ctx.lineWidth = 1; // TODO: make customizable - ctx.strokeStyle = 'blue'; // TODO: make customizable - ctx.beginPath(); - ctx.moveTo(point.screen.x, point.screen.y); - } + moment.parseZone = function () { + return moment.apply(null, arguments).parseZone(); + }; - // draw the datapoints as colored circles - for (i = 1; i < this.dataPoints.length; i++) { - point = this.dataPoints[i]; - ctx.lineTo(point.screen.x, point.screen.y); - } + moment.parseTwoDigitYear = function (input) { + return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); + }; - // finish the line - if (this.dataPoints.length > 0) { - ctx.stroke(); - } - }; + moment.isDate = isDate; - /** - * Start a moving operation inside the provided parent element - * @param {Event} event The event that occurred (required for - * retrieving the mouse position) - */ - Graph3d.prototype._onMouseDown = function(event) { - event = event || window.event; + /************************************ + Moment Prototype + ************************************/ - // check if mouse is still down (may be up when focus is lost for example - // in an iframe) - if (this.leftButtonDown) { - this._onMouseUp(event); - } - // only react on left mouse button down - this.leftButtonDown = event.which ? (event.which === 1) : (event.button === 1); - if (!this.leftButtonDown && !this.touchDown) return; + extend(moment.fn = Moment.prototype, { - // get mouse position (different code for IE and all other browsers) - this.startMouseX = getMouseX(event); - this.startMouseY = getMouseY(event); + clone : function () { + return moment(this); + }, - this.startStart = new Date(this.start); - this.startEnd = new Date(this.end); - this.startArmRotation = this.camera.getArmRotation(); + valueOf : function () { + return +this._d - ((this._offset || 0) * 60000); + }, - this.frame.style.cursor = 'move'; + unix : function () { + return Math.floor(+this / 1000); + }, - // add event listeners to handle moving the contents - // we store the function onmousemove and onmouseup in the graph, so we can - // remove the eventlisteners lateron in the function mouseUp() - var me = this; - this.onmousemove = function (event) {me._onMouseMove(event);}; - this.onmouseup = function (event) {me._onMouseUp(event);}; - util.addEventListener(document, 'mousemove', me.onmousemove); - util.addEventListener(document, 'mouseup', me.onmouseup); - util.preventDefault(event); - }; + toString : function () { + return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); + }, + toDate : function () { + return this._offset ? new Date(+this) : this._d; + }, - /** - * Perform moving operating. - * This function activated from within the funcion Graph.mouseDown(). - * @param {Event} event Well, eehh, the event - */ - Graph3d.prototype._onMouseMove = function (event) { - event = event || window.event; + toISOString : function () { + var m = moment(this).utc(); + if (0 < m.year() && m.year() <= 9999) { + if ('function' === typeof Date.prototype.toISOString) { + // native implementation is ~50x faster, use it when we can + return this.toDate().toISOString(); + } else { + return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]'); + } + } else { + return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]'); + } + }, - // calculate change in mouse position - var diffX = parseFloat(getMouseX(event)) - this.startMouseX; - var diffY = parseFloat(getMouseY(event)) - this.startMouseY; + toArray : function () { + var m = this; + return [ + m.year(), + m.month(), + m.date(), + m.hours(), + m.minutes(), + m.seconds(), + m.milliseconds() + ]; + }, - var horizontalNew = this.startArmRotation.horizontal + diffX / 200; - var verticalNew = this.startArmRotation.vertical + diffY / 200; + isValid : function () { + return isValid(this); + }, - var snapAngle = 4; // degrees - var snapValue = Math.sin(snapAngle / 360 * 2 * Math.PI); + isDSTShifted : function () { + if (this._a) { + return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0; + } - // snap horizontally to nice angles at 0pi, 0.5pi, 1pi, 1.5pi, etc... - // the -0.001 is to take care that the vertical axis is always drawn at the left front corner - if (Math.abs(Math.sin(horizontalNew)) < snapValue) { - horizontalNew = Math.round((horizontalNew / Math.PI)) * Math.PI - 0.001; - } - if (Math.abs(Math.cos(horizontalNew)) < snapValue) { - horizontalNew = (Math.round((horizontalNew/ Math.PI - 0.5)) + 0.5) * Math.PI - 0.001; - } + return false; + }, - // snap vertically to nice angles - if (Math.abs(Math.sin(verticalNew)) < snapValue) { - verticalNew = Math.round((verticalNew / Math.PI)) * Math.PI; - } - if (Math.abs(Math.cos(verticalNew)) < snapValue) { - verticalNew = (Math.round((verticalNew/ Math.PI - 0.5)) + 0.5) * Math.PI; - } + parsingFlags : function () { + return extend({}, this._pf); + }, - this.camera.setArmRotation(horizontalNew, verticalNew); - this.redraw(); + invalidAt: function () { + return this._pf.overflow; + }, - // fire a cameraPositionChange event - var parameters = this.getCameraPosition(); - this.emit('cameraPositionChange', parameters); + utc : function (keepLocalTime) { + return this.utcOffset(0, keepLocalTime); + }, - util.preventDefault(event); - }; + local : function (keepLocalTime) { + if (this._isUTC) { + this.utcOffset(0, keepLocalTime); + this._isUTC = false; + if (keepLocalTime) { + this.subtract(this._dateUtcOffset(), 'm'); + } + } + return this; + }, - /** - * Stop moving operating. - * This function activated from within the funcion Graph.mouseDown(). - * @param {event} event The event - */ - Graph3d.prototype._onMouseUp = function (event) { - this.frame.style.cursor = 'auto'; - this.leftButtonDown = false; + format : function (inputString) { + var output = formatMoment(this, inputString || moment.defaultFormat); + return this.localeData().postformat(output); + }, - // remove event listeners here - util.removeEventListener(document, 'mousemove', this.onmousemove); - util.removeEventListener(document, 'mouseup', this.onmouseup); - util.preventDefault(event); - }; + add : createAdder(1, 'add'), - /** - * After having moved the mouse, a tooltip should pop up when the mouse is resting on a data point - * @param {Event} event A mouse move event - */ - Graph3d.prototype._onTooltip = function (event) { - var delay = 300; // ms - var boundingRect = this.frame.getBoundingClientRect(); - var mouseX = getMouseX(event) - boundingRect.left; - var mouseY = getMouseY(event) - boundingRect.top; + subtract : createAdder(-1, 'subtract'), - if (!this.showTooltip) { - return; - } + diff : function (input, units, asFloat) { + var that = makeAs(input, this), + zoneDiff = (that.utcOffset() - this.utcOffset()) * 6e4, + anchor, diff, output, daysAdjust; - if (this.tooltipTimeout) { - clearTimeout(this.tooltipTimeout); - } + units = normalizeUnits(units); - // (delayed) display of a tooltip only if no mouse button is down - if (this.leftButtonDown) { - this._hideTooltip(); - return; - } + if (units === 'year' || units === 'month' || units === 'quarter') { + output = monthDiff(this, that); + if (units === 'quarter') { + output = output / 3; + } else if (units === 'year') { + output = output / 12; + } + } else { + diff = this - that; + output = units === 'second' ? diff / 1e3 : // 1000 + units === 'minute' ? diff / 6e4 : // 1000 * 60 + units === 'hour' ? diff / 36e5 : // 1000 * 60 * 60 + units === 'day' ? (diff - zoneDiff) / 864e5 : // 1000 * 60 * 60 * 24, negate dst + units === 'week' ? (diff - zoneDiff) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst + diff; + } + return asFloat ? output : absRound(output); + }, - if (this.tooltip && this.tooltip.dataPoint) { - // tooltip is currently visible - var dataPoint = this._dataPointFromXY(mouseX, mouseY); - if (dataPoint !== this.tooltip.dataPoint) { - // datapoint changed - if (dataPoint) { - this._showTooltip(dataPoint); - } - else { - this._hideTooltip(); - } - } - } - else { - // tooltip is currently not visible - var me = this; - this.tooltipTimeout = setTimeout(function () { - me.tooltipTimeout = null; + from : function (time, withoutSuffix) { + return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); + }, - // show a tooltip if we have a data point - var dataPoint = me._dataPointFromXY(mouseX, mouseY); - if (dataPoint) { - me._showTooltip(dataPoint); - } - }, delay); - } - }; + fromNow : function (withoutSuffix) { + return this.from(moment(), withoutSuffix); + }, - /** - * Event handler for touchstart event on mobile devices - */ - Graph3d.prototype._onTouchStart = function(event) { - this.touchDown = true; + calendar : function (time) { + // We want to compare the start of today, vs this. + // Getting start-of-today depends on whether we're locat/utc/offset + // or not. + var now = time || moment(), + sod = makeAs(now, this).startOf('day'), + diff = this.diff(sod, 'days', true), + format = diff < -6 ? 'sameElse' : + diff < -1 ? 'lastWeek' : + diff < 0 ? 'lastDay' : + diff < 1 ? 'sameDay' : + diff < 2 ? 'nextDay' : + diff < 7 ? 'nextWeek' : 'sameElse'; + return this.format(this.localeData().calendar(format, this, moment(now))); + }, - var me = this; - this.ontouchmove = function (event) {me._onTouchMove(event);}; - this.ontouchend = function (event) {me._onTouchEnd(event);}; - util.addEventListener(document, 'touchmove', me.ontouchmove); - util.addEventListener(document, 'touchend', me.ontouchend); + isLeapYear : function () { + return isLeapYear(this.year()); + }, - this._onMouseDown(event); - }; + isDST : function () { + return (this.utcOffset() > this.clone().month(0).utcOffset() || + this.utcOffset() > this.clone().month(5).utcOffset()); + }, - /** - * Event handler for touchmove event on mobile devices - */ - Graph3d.prototype._onTouchMove = function(event) { - this._onMouseMove(event); - }; + day : function (input) { + var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay(); + if (input != null) { + input = parseWeekday(input, this.localeData()); + return this.add(input - day, 'd'); + } else { + return day; + } + }, - /** - * Event handler for touchend event on mobile devices - */ - Graph3d.prototype._onTouchEnd = function(event) { - this.touchDown = false; + month : makeAccessor('Month', true), - util.removeEventListener(document, 'touchmove', this.ontouchmove); - util.removeEventListener(document, 'touchend', this.ontouchend); + startOf : function (units) { + units = normalizeUnits(units); + // the following switch intentionally omits break keywords + // to utilize falling through the cases. + switch (units) { + case 'year': + this.month(0); + /* falls through */ + case 'quarter': + case 'month': + this.date(1); + /* falls through */ + case 'week': + case 'isoWeek': + case 'day': + this.hours(0); + /* falls through */ + case 'hour': + this.minutes(0); + /* falls through */ + case 'minute': + this.seconds(0); + /* falls through */ + case 'second': + this.milliseconds(0); + /* falls through */ + } - this._onMouseUp(event); - }; + // weeks are a special case + if (units === 'week') { + this.weekday(0); + } else if (units === 'isoWeek') { + this.isoWeekday(1); + } + // quarters are also special + if (units === 'quarter') { + this.month(Math.floor(this.month() / 3) * 3); + } - /** - * Event handler for mouse wheel event, used to zoom the graph - * Code from http://adomas.org/javascript-mouse-wheel/ - * @param {event} event The event - */ - Graph3d.prototype._onWheel = function(event) { - if (!event) /* For IE. */ - event = window.event; + return this; + }, - // retrieve delta - var delta = 0; - if (event.wheelDelta) { /* IE/Opera. */ - delta = event.wheelDelta/120; - } else if (event.detail) { /* Mozilla case. */ - // In Mozilla, sign of delta is different than in IE. - // Also, delta is multiple of 3. - delta = -event.detail/3; - } + endOf: function (units) { + units = normalizeUnits(units); + if (units === undefined || units === 'millisecond') { + return this; + } + return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); + }, - // If delta is nonzero, handle it. - // Basically, delta is now positive if wheel was scrolled up, - // and negative, if wheel was scrolled down. - if (delta) { - var oldLength = this.camera.getArmLength(); - var newLength = oldLength * (1 - delta / 10); + isAfter: function (input, units) { + var inputMs; + units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); + if (units === 'millisecond') { + input = moment.isMoment(input) ? input : moment(input); + return +this > +input; + } else { + inputMs = moment.isMoment(input) ? +input : +moment(input); + return inputMs < +this.clone().startOf(units); + } + }, - this.camera.setArmLength(newLength); - this.redraw(); + isBefore: function (input, units) { + var inputMs; + units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); + if (units === 'millisecond') { + input = moment.isMoment(input) ? input : moment(input); + return +this < +input; + } else { + inputMs = moment.isMoment(input) ? +input : +moment(input); + return +this.clone().endOf(units) < inputMs; + } + }, - this._hideTooltip(); - } + isBetween: function (from, to, units) { + return this.isAfter(from, units) && this.isBefore(to, units); + }, - // fire a cameraPositionChange event - var parameters = this.getCameraPosition(); - this.emit('cameraPositionChange', parameters); + isSame: function (input, units) { + var inputMs; + units = normalizeUnits(units || 'millisecond'); + if (units === 'millisecond') { + input = moment.isMoment(input) ? input : moment(input); + return +this === +input; + } else { + inputMs = +moment(input); + return +(this.clone().startOf(units)) <= inputMs && inputMs <= +(this.clone().endOf(units)); + } + }, - // Prevent default actions caused by mouse wheel. - // That might be ugly, but we handle scrolls somehow - // anyway, so don't bother here.. - util.preventDefault(event); - }; + min: deprecate( + 'moment().min is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548', + function (other) { + other = moment.apply(null, arguments); + return other < this ? this : other; + } + ), - /** - * Test whether a point lies inside given 2D triangle - * @param {Point2d} point - * @param {Point2d[]} triangle - * @return {boolean} Returns true if given point lies inside or on the edge of the triangle - * @private - */ - Graph3d.prototype._insideTriangle = function (point, triangle) { - var a = triangle[0], - b = triangle[1], - c = triangle[2]; + max: deprecate( + 'moment().max is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548', + function (other) { + other = moment.apply(null, arguments); + return other > this ? this : other; + } + ), - function sign (x) { - return x > 0 ? 1 : x < 0 ? -1 : 0; - } + zone : deprecate( + 'moment().zone is deprecated, use moment().utcOffset instead. ' + + 'https://github.com/moment/moment/issues/1779', + function (input, keepLocalTime) { + if (input != null) { + if (typeof input !== 'string') { + input = -input; + } - var as = sign((b.x - a.x) * (point.y - a.y) - (b.y - a.y) * (point.x - a.x)); - var bs = sign((c.x - b.x) * (point.y - b.y) - (c.y - b.y) * (point.x - b.x)); - var cs = sign((a.x - c.x) * (point.y - c.y) - (a.y - c.y) * (point.x - c.x)); + this.utcOffset(input, keepLocalTime); - // each of the three signs must be either equal to each other or zero - return (as == 0 || bs == 0 || as == bs) && - (bs == 0 || cs == 0 || bs == cs) && - (as == 0 || cs == 0 || as == cs); - }; + return this; + } else { + return -this.utcOffset(); + } + } + ), - /** - * Find a data point close to given screen position (x, y) - * @param {Number} x - * @param {Number} y - * @return {Object | null} The closest data point or null if not close to any data point - * @private - */ - Graph3d.prototype._dataPointFromXY = function (x, y) { - var i, - distMax = 100, // px - dataPoint = null, - closestDataPoint = null, - closestDist = null, - center = new Point2d(x, y); + // keepLocalTime = true means only change the timezone, without + // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> + // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset + // +0200, so we adjust the time as needed, to be valid. + // + // Keeping the time actually adds/subtracts (one hour) + // from the actual represented time. That is why we call updateOffset + // a second time. In case it wants us to change the offset again + // _changeInProgress == true case, then we have to adjust, because + // there is no such time in the given timezone. + utcOffset : function (input, keepLocalTime) { + var offset = this._offset || 0, + localAdjust; + if (input != null) { + if (typeof input === 'string') { + input = utcOffsetFromString(input); + } + if (Math.abs(input) < 16) { + input = input * 60; + } + if (!this._isUTC && keepLocalTime) { + localAdjust = this._dateUtcOffset(); + } + this._offset = input; + this._isUTC = true; + if (localAdjust != null) { + this.add(localAdjust, 'm'); + } + if (offset !== input) { + if (!keepLocalTime || this._changeInProgress) { + addOrSubtractDurationFromMoment(this, + moment.duration(input - offset, 'm'), 1, false); + } else if (!this._changeInProgress) { + this._changeInProgress = true; + moment.updateOffset(this, true); + this._changeInProgress = null; + } + } - if (this.style === Graph3d.STYLE.BAR || - this.style === Graph3d.STYLE.BARCOLOR || - this.style === Graph3d.STYLE.BARSIZE) { - // the data points are ordered from far away to closest - for (i = this.dataPoints.length - 1; i >= 0; i--) { - dataPoint = this.dataPoints[i]; - var surfaces = dataPoint.surfaces; - if (surfaces) { - for (var s = surfaces.length - 1; s >= 0; s--) { - // split each surface in two triangles, and see if the center point is inside one of these - var surface = surfaces[s]; - var corners = surface.corners; - var triangle1 = [corners[0].screen, corners[1].screen, corners[2].screen]; - var triangle2 = [corners[2].screen, corners[3].screen, corners[0].screen]; - if (this._insideTriangle(center, triangle1) || - this._insideTriangle(center, triangle2)) { - // return immediately at the first hit - return dataPoint; - } - } - } - } - } - else { - // find the closest data point, using distance to the center of the point on 2d screen - for (i = 0; i < this.dataPoints.length; i++) { - dataPoint = this.dataPoints[i]; - var point = dataPoint.screen; - if (point) { - var distX = Math.abs(x - point.x); - var distY = Math.abs(y - point.y); - var dist = Math.sqrt(distX * distX + distY * distY); + return this; + } else { + return this._isUTC ? offset : this._dateUtcOffset(); + } + }, - if ((closestDist === null || dist < closestDist) && dist < distMax) { - closestDist = dist; - closestDataPoint = dataPoint; - } - } - } - } + isLocal : function () { + return !this._isUTC; + }, + isUtcOffset : function () { + return this._isUTC; + }, - return closestDataPoint; - }; + isUtc : function () { + return this._isUTC && this._offset === 0; + }, - /** - * Display a tooltip for given data point - * @param {Object} dataPoint - * @private - */ - Graph3d.prototype._showTooltip = function (dataPoint) { - var content, line, dot; + zoneAbbr : function () { + return this._isUTC ? 'UTC' : ''; + }, - if (!this.tooltip) { - content = document.createElement('div'); - content.style.position = 'absolute'; - content.style.padding = '10px'; - content.style.border = '1px solid #4d4d4d'; - content.style.color = '#1a1a1a'; - content.style.background = 'rgba(255,255,255,0.7)'; - content.style.borderRadius = '2px'; - content.style.boxShadow = '5px 5px 10px rgba(128,128,128,0.5)'; + zoneName : function () { + return this._isUTC ? 'Coordinated Universal Time' : ''; + }, - line = document.createElement('div'); - line.style.position = 'absolute'; - line.style.height = '40px'; - line.style.width = '0'; - line.style.borderLeft = '1px solid #4d4d4d'; + parseZone : function () { + if (this._tzm) { + this.utcOffset(this._tzm); + } else if (typeof this._i === 'string') { + this.utcOffset(utcOffsetFromString(this._i)); + } + return this; + }, - dot = document.createElement('div'); - dot.style.position = 'absolute'; - dot.style.height = '0'; - dot.style.width = '0'; - dot.style.border = '5px solid #4d4d4d'; - dot.style.borderRadius = '5px'; + hasAlignedHourOffset : function (input) { + if (!input) { + input = 0; + } + else { + input = moment(input).utcOffset(); + } - this.tooltip = { - dataPoint: null, - dom: { - content: content, - line: line, - dot: dot - } - }; - } - else { - content = this.tooltip.dom.content; - line = this.tooltip.dom.line; - dot = this.tooltip.dom.dot; - } + return (this.utcOffset() - input) % 60 === 0; + }, - this._hideTooltip(); + daysInMonth : function () { + return daysInMonth(this.year(), this.month()); + }, - this.tooltip.dataPoint = dataPoint; - if (typeof this.showTooltip === 'function') { - content.innerHTML = this.showTooltip(dataPoint.point); - } - else { - content.innerHTML = '' + - '' + - '' + - '' + - '
x:' + dataPoint.point.x + '
y:' + dataPoint.point.y + '
z:' + dataPoint.point.z + '
'; - } + dayOfYear : function (input) { + var dayOfYear = round((moment(this).startOf('day') - moment(this).startOf('year')) / 864e5) + 1; + return input == null ? dayOfYear : this.add((input - dayOfYear), 'd'); + }, - content.style.left = '0'; - content.style.top = '0'; - this.frame.appendChild(content); - this.frame.appendChild(line); - this.frame.appendChild(dot); + quarter : function (input) { + return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); + }, - // calculate sizes - var contentWidth = content.offsetWidth; - var contentHeight = content.offsetHeight; - var lineHeight = line.offsetHeight; - var dotWidth = dot.offsetWidth; - var dotHeight = dot.offsetHeight; + weekYear : function (input) { + var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year; + return input == null ? year : this.add((input - year), 'y'); + }, - var left = dataPoint.screen.x - contentWidth / 2; - left = Math.min(Math.max(left, 10), this.frame.clientWidth - 10 - contentWidth); + isoWeekYear : function (input) { + var year = weekOfYear(this, 1, 4).year; + return input == null ? year : this.add((input - year), 'y'); + }, - line.style.left = dataPoint.screen.x + 'px'; - line.style.top = (dataPoint.screen.y - lineHeight) + 'px'; - content.style.left = left + 'px'; - content.style.top = (dataPoint.screen.y - lineHeight - contentHeight) + 'px'; - dot.style.left = (dataPoint.screen.x - dotWidth / 2) + 'px'; - dot.style.top = (dataPoint.screen.y - dotHeight / 2) + 'px'; - }; + week : function (input) { + var week = this.localeData().week(this); + return input == null ? week : this.add((input - week) * 7, 'd'); + }, - /** - * Hide the tooltip when displayed - * @private - */ - Graph3d.prototype._hideTooltip = function () { - if (this.tooltip) { - this.tooltip.dataPoint = null; + isoWeek : function (input) { + var week = weekOfYear(this, 1, 4).week; + return input == null ? week : this.add((input - week) * 7, 'd'); + }, - for (var prop in this.tooltip.dom) { - if (this.tooltip.dom.hasOwnProperty(prop)) { - var elem = this.tooltip.dom[prop]; - if (elem && elem.parentNode) { - elem.parentNode.removeChild(elem); - } - } - } - } - }; + weekday : function (input) { + var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; + return input == null ? weekday : this.add(input - weekday, 'd'); + }, - /**--------------------------------------------------------------------------**/ + isoWeekday : function (input) { + // behaves the same as moment#day except + // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) + // as a setter, sunday should belong to the previous week. + return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7); + }, + isoWeeksInYear : function () { + return weeksInYear(this.year(), 1, 4); + }, - /** - * Get the horizontal mouse position from a mouse event - * @param {Event} event - * @return {Number} mouse x - */ - function getMouseX (event) { - if ('clientX' in event) return event.clientX; - return event.targetTouches[0] && event.targetTouches[0].clientX || 0; - } + weeksInYear : function () { + var weekInfo = this.localeData()._week; + return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); + }, - /** - * Get the vertical mouse position from a mouse event - * @param {Event} event - * @return {Number} mouse y - */ - function getMouseY (event) { - if ('clientY' in event) return event.clientY; - return event.targetTouches[0] && event.targetTouches[0].clientY || 0; - } + get : function (units) { + units = normalizeUnits(units); + return this[units](); + }, - module.exports = Graph3d; + set : function (units, value) { + var unit; + if (typeof units === 'object') { + for (unit in units) { + this.set(unit, units[unit]); + } + } + else { + units = normalizeUnits(units); + if (typeof this[units] === 'function') { + this[units](value); + } + } + return this; + }, + // If passed a locale key, it will set the locale for this + // instance. Otherwise, it will return the locale configuration + // variables for this instance. + locale : function (key) { + var newLocaleData; -/***/ }, -/* 7 */ -/***/ function(module, exports, __webpack_require__) { + if (key === undefined) { + return this._locale._abbr; + } else { + newLocaleData = moment.localeData(key); + if (newLocaleData != null) { + this._locale = newLocaleData; + } + return this; + } + }, - var Point3d = __webpack_require__(10); + lang : deprecate( + 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', + function (key) { + if (key === undefined) { + return this.localeData(); + } else { + return this.locale(key); + } + } + ), - /** - * @class Camera - * The camera is mounted on a (virtual) camera arm. The camera arm can rotate - * The camera is always looking in the direction of the origin of the arm. - * This way, the camera always rotates around one fixed point, the location - * of the camera arm. - * - * Documentation: - * http://en.wikipedia.org/wiki/3D_projection - */ - function Camera() { - this.armLocation = new Point3d(); - this.armRotation = {}; - this.armRotation.horizontal = 0; - this.armRotation.vertical = 0; - this.armLength = 1.7; + localeData : function () { + return this._locale; + }, - this.cameraLocation = new Point3d(); - this.cameraRotation = new Point3d(0.5*Math.PI, 0, 0); + _dateUtcOffset : function () { + // On Firefox.24 Date#getTimezoneOffset returns a floating point. + // https://github.com/moment/moment/pull/1871 + return -Math.round(this._d.getTimezoneOffset() / 15) * 15; + } - this.calculateCameraOrientation(); - } + }); - /** - * Set the location (origin) of the arm - * @param {Number} x Normalized value of x - * @param {Number} y Normalized value of y - * @param {Number} z Normalized value of z - */ - Camera.prototype.setArmLocation = function(x, y, z) { - this.armLocation.x = x; - this.armLocation.y = y; - this.armLocation.z = z; + function rawMonthSetter(mom, value) { + var dayOfMonth; - this.calculateCameraOrientation(); - }; + // TODO: Move this out of here! + if (typeof value === 'string') { + value = mom.localeData().monthsParse(value); + // TODO: Another silent failure? + if (typeof value !== 'number') { + return mom; + } + } - /** - * Set the rotation of the camera arm - * @param {Number} horizontal The horizontal rotation, between 0 and 2*PI. - * Optional, can be left undefined. - * @param {Number} vertical The vertical rotation, between 0 and 0.5*PI - * if vertical=0.5*PI, the graph is shown from the - * top. Optional, can be left undefined. - */ - Camera.prototype.setArmRotation = function(horizontal, vertical) { - if (horizontal !== undefined) { - this.armRotation.horizontal = horizontal; - } + dayOfMonth = Math.min(mom.date(), + daysInMonth(mom.year(), value)); + mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); + return mom; + } - if (vertical !== undefined) { - this.armRotation.vertical = vertical; - if (this.armRotation.vertical < 0) this.armRotation.vertical = 0; - if (this.armRotation.vertical > 0.5*Math.PI) this.armRotation.vertical = 0.5*Math.PI; - } + function rawGetter(mom, unit) { + return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit](); + } - if (horizontal !== undefined || vertical !== undefined) { - this.calculateCameraOrientation(); - } - }; + function rawSetter(mom, unit, value) { + if (unit === 'Month') { + return rawMonthSetter(mom, value); + } else { + return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); + } + } - /** - * Retrieve the current arm rotation - * @return {object} An object with parameters horizontal and vertical - */ - Camera.prototype.getArmRotation = function() { - var rot = {}; - rot.horizontal = this.armRotation.horizontal; - rot.vertical = this.armRotation.vertical; + function makeAccessor(unit, keepTime) { + return function (value) { + if (value != null) { + rawSetter(this, unit, value); + moment.updateOffset(this, keepTime); + return this; + } else { + return rawGetter(this, unit); + } + }; + } - return rot; - }; + moment.fn.millisecond = moment.fn.milliseconds = makeAccessor('Milliseconds', false); + moment.fn.second = moment.fn.seconds = makeAccessor('Seconds', false); + moment.fn.minute = moment.fn.minutes = makeAccessor('Minutes', false); + // Setting the hour should keep the time, because the user explicitly + // specified which hour he wants. So trying to maintain the same hour (in + // a new timezone) makes sense. Adding/subtracting hours does not follow + // this rule. + moment.fn.hour = moment.fn.hours = makeAccessor('Hours', true); + // moment.fn.month is defined separately + moment.fn.date = makeAccessor('Date', true); + moment.fn.dates = deprecate('dates accessor is deprecated. Use date instead.', makeAccessor('Date', true)); + moment.fn.year = makeAccessor('FullYear', true); + moment.fn.years = deprecate('years accessor is deprecated. Use year instead.', makeAccessor('FullYear', true)); - /** - * Set the (normalized) length of the camera arm. - * @param {Number} length A length between 0.71 and 5.0 - */ - Camera.prototype.setArmLength = function(length) { - if (length === undefined) - return; + // add plural methods + moment.fn.days = moment.fn.day; + moment.fn.months = moment.fn.month; + moment.fn.weeks = moment.fn.week; + moment.fn.isoWeeks = moment.fn.isoWeek; + moment.fn.quarters = moment.fn.quarter; - this.armLength = length; + // add aliased format methods + moment.fn.toJSON = moment.fn.toISOString; - // Radius must be larger than the corner of the graph, - // which has a distance of sqrt(0.5^2+0.5^2) = 0.71 from the center of the - // graph - if (this.armLength < 0.71) this.armLength = 0.71; - if (this.armLength > 5.0) this.armLength = 5.0; + // alias isUtc for dev-friendliness + moment.fn.isUTC = moment.fn.isUtc; - this.calculateCameraOrientation(); - }; + /************************************ + Duration Prototype + ************************************/ - /** - * Retrieve the arm length - * @return {Number} length - */ - Camera.prototype.getArmLength = function() { - return this.armLength; - }; - /** - * Retrieve the camera location - * @return {Point3d} cameraLocation - */ - Camera.prototype.getCameraLocation = function() { - return this.cameraLocation; - }; + function daysToYears (days) { + // 400 years have 146097 days (taking into account leap year rules) + return days * 400 / 146097; + } - /** - * Retrieve the camera rotation - * @return {Point3d} cameraRotation - */ - Camera.prototype.getCameraRotation = function() { - return this.cameraRotation; - }; + function yearsToDays (years) { + // years * 365 + absRound(years / 4) - + // absRound(years / 100) + absRound(years / 400); + return years * 146097 / 400; + } - /** - * Calculate the location and rotation of the camera based on the - * position and orientation of the camera arm - */ - Camera.prototype.calculateCameraOrientation = function() { - // calculate location of the camera - this.cameraLocation.x = this.armLocation.x - this.armLength * Math.sin(this.armRotation.horizontal) * Math.cos(this.armRotation.vertical); - this.cameraLocation.y = this.armLocation.y - this.armLength * Math.cos(this.armRotation.horizontal) * Math.cos(this.armRotation.vertical); - this.cameraLocation.z = this.armLocation.z + this.armLength * Math.sin(this.armRotation.vertical); + extend(moment.duration.fn = Duration.prototype, { - // calculate rotation of the camera - this.cameraRotation.x = Math.PI/2 - this.armRotation.vertical; - this.cameraRotation.y = 0; - this.cameraRotation.z = -this.armRotation.horizontal; - }; + _bubble : function () { + var milliseconds = this._milliseconds, + days = this._days, + months = this._months, + data = this._data, + seconds, minutes, hours, years = 0; - module.exports = Camera; + // The following code bubbles up values, see the tests for + // examples of what that means. + data.milliseconds = milliseconds % 1000; -/***/ }, -/* 8 */ -/***/ function(module, exports, __webpack_require__) { + seconds = absRound(milliseconds / 1000); + data.seconds = seconds % 60; - var DataView = __webpack_require__(4); + minutes = absRound(seconds / 60); + data.minutes = minutes % 60; - /** - * @class Filter - * - * @param {DataSet} data The google data table - * @param {Number} column The index of the column to be filtered - * @param {Graph} graph The graph - */ - function Filter (data, column, graph) { - this.data = data; - this.column = column; - this.graph = graph; // the parent graph + hours = absRound(minutes / 60); + data.hours = hours % 24; - this.index = undefined; - this.value = undefined; + days += absRound(hours / 24); - // read all distinct values and select the first one - this.values = graph.getDistinctValues(data.get(), this.column); + // Accurately convert days to years, assume start from year 0. + years = absRound(daysToYears(days)); + days -= absRound(yearsToDays(years)); - // sort both numeric and string values correctly - this.values.sort(function (a, b) { - return a > b ? 1 : a < b ? -1 : 0; - }); + // 30 days to a month + // TODO (iskren): Use anchor date (like 1st Jan) to compute this. + months += absRound(days / 30); + days %= 30; - if (this.values.length > 0) { - this.selectValue(0); - } + // 12 months -> 1 year + years += absRound(months / 12); + months %= 12; - // create an array with the filtered datapoints. this will be loaded afterwards - this.dataPoints = []; + data.days = days; + data.months = months; + data.years = years; + }, - this.loaded = false; - this.onLoadCallback = undefined; + abs : function () { + this._milliseconds = Math.abs(this._milliseconds); + this._days = Math.abs(this._days); + this._months = Math.abs(this._months); - if (graph.animationPreload) { - this.loaded = false; - this.loadInBackground(); - } - else { - this.loaded = true; - } - }; + this._data.milliseconds = Math.abs(this._data.milliseconds); + this._data.seconds = Math.abs(this._data.seconds); + this._data.minutes = Math.abs(this._data.minutes); + this._data.hours = Math.abs(this._data.hours); + this._data.months = Math.abs(this._data.months); + this._data.years = Math.abs(this._data.years); + return this; + }, - /** - * Return the label - * @return {string} label - */ - Filter.prototype.isLoaded = function() { - return this.loaded; - }; + weeks : function () { + return absRound(this.days() / 7); + }, + valueOf : function () { + return this._milliseconds + + this._days * 864e5 + + (this._months % 12) * 2592e6 + + toInt(this._months / 12) * 31536e6; + }, - /** - * Return the loaded progress - * @return {Number} percentage between 0 and 100 - */ - Filter.prototype.getLoadedProgress = function() { - var len = this.values.length; + humanize : function (withSuffix) { + var output = relativeTime(this, !withSuffix, this.localeData()); - var i = 0; - while (this.dataPoints[i]) { - i++; - } + if (withSuffix) { + output = this.localeData().pastFuture(+this, output); + } - return Math.round(i / len * 100); - }; + return this.localeData().postformat(output); + }, + add : function (input, val) { + // supports only 2.0-style add(1, 's') or add(moment) + var dur = moment.duration(input, val); - /** - * Return the label - * @return {string} label - */ - Filter.prototype.getLabel = function() { - return this.graph.filterLabel; - }; + this._milliseconds += dur._milliseconds; + this._days += dur._days; + this._months += dur._months; + this._bubble(); - /** - * Return the columnIndex of the filter - * @return {Number} columnIndex - */ - Filter.prototype.getColumn = function() { - return this.column; - }; + return this; + }, - /** - * Return the currently selected value. Returns undefined if there is no selection - * @return {*} value - */ - Filter.prototype.getSelectedValue = function() { - if (this.index === undefined) - return undefined; + subtract : function (input, val) { + var dur = moment.duration(input, val); - return this.values[this.index]; - }; + this._milliseconds -= dur._milliseconds; + this._days -= dur._days; + this._months -= dur._months; - /** - * Retrieve all values of the filter - * @return {Array} values - */ - Filter.prototype.getValues = function() { - return this.values; - }; + this._bubble(); - /** - * Retrieve one value of the filter - * @param {Number} index - * @return {*} value - */ - Filter.prototype.getValue = function(index) { - if (index >= this.values.length) - throw 'Error: index out of range'; + return this; + }, - return this.values[index]; - }; + get : function (units) { + units = normalizeUnits(units); + return this[units.toLowerCase() + 's'](); + }, + as : function (units) { + var days, months; + units = normalizeUnits(units); - /** - * Retrieve the (filtered) dataPoints for the currently selected filter index - * @param {Number} [index] (optional) - * @return {Array} dataPoints - */ - Filter.prototype._getDataPoints = function(index) { - if (index === undefined) - index = this.index; + if (units === 'month' || units === 'year') { + days = this._days + this._milliseconds / 864e5; + months = this._months + daysToYears(days) * 12; + return units === 'month' ? months : months / 12; + } else { + // handle milliseconds separately because of floating point math errors (issue #1867) + days = this._days + Math.round(yearsToDays(this._months / 12)); + switch (units) { + case 'week': return days / 7 + this._milliseconds / 6048e5; + case 'day': return days + this._milliseconds / 864e5; + case 'hour': return days * 24 + this._milliseconds / 36e5; + case 'minute': return days * 24 * 60 + this._milliseconds / 6e4; + case 'second': return days * 24 * 60 * 60 + this._milliseconds / 1000; + // Math.floor prevents floating point math errors here + case 'millisecond': return Math.floor(days * 24 * 60 * 60 * 1000) + this._milliseconds; + default: throw new Error('Unknown unit ' + units); + } + } + }, - if (index === undefined) - return []; + lang : moment.fn.lang, + locale : moment.fn.locale, - var dataPoints; - if (this.dataPoints[index]) { - dataPoints = this.dataPoints[index]; - } - else { - var f = {}; - f.column = this.column; - f.value = this.values[index]; + toIsoString : deprecate( + 'toIsoString() is deprecated. Please use toISOString() instead ' + + '(notice the capitals)', + function () { + return this.toISOString(); + } + ), - var dataView = new DataView(this.data,{filter: function (item) {return (item[f.column] == f.value);}}).get(); - dataPoints = this.graph._getDataPoints(dataView); + toISOString : function () { + // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js + var years = Math.abs(this.years()), + months = Math.abs(this.months()), + days = Math.abs(this.days()), + hours = Math.abs(this.hours()), + minutes = Math.abs(this.minutes()), + seconds = Math.abs(this.seconds() + this.milliseconds() / 1000); - this.dataPoints[index] = dataPoints; - } + if (!this.asSeconds()) { + // this is the same as C#'s (Noda) and python (isodate)... + // but not other JS (goog.date) + return 'P0D'; + } - return dataPoints; - }; + return (this.asSeconds() < 0 ? '-' : '') + + 'P' + + (years ? years + 'Y' : '') + + (months ? months + 'M' : '') + + (days ? days + 'D' : '') + + ((hours || minutes || seconds) ? 'T' : '') + + (hours ? hours + 'H' : '') + + (minutes ? minutes + 'M' : '') + + (seconds ? seconds + 'S' : ''); + }, + localeData : function () { + return this._locale; + }, + toJSON : function () { + return this.toISOString(); + } + }); - /** - * Set a callback function when the filter is fully loaded. - */ - Filter.prototype.setOnLoadCallback = function(callback) { - this.onLoadCallback = callback; - }; + moment.duration.fn.toString = moment.duration.fn.toISOString; + function makeDurationGetter(name) { + moment.duration.fn[name] = function () { + return this._data[name]; + }; + } - /** - * Add a value to the list with available values for this filter - * No double entries will be created. - * @param {Number} index - */ - Filter.prototype.selectValue = function(index) { - if (index >= this.values.length) - throw 'Error: index out of range'; + for (i in unitMillisecondFactors) { + if (hasOwnProp(unitMillisecondFactors, i)) { + makeDurationGetter(i.toLowerCase()); + } + } - this.index = index; - this.value = this.values[index]; - }; + moment.duration.fn.asMilliseconds = function () { + return this.as('ms'); + }; + moment.duration.fn.asSeconds = function () { + return this.as('s'); + }; + moment.duration.fn.asMinutes = function () { + return this.as('m'); + }; + moment.duration.fn.asHours = function () { + return this.as('h'); + }; + moment.duration.fn.asDays = function () { + return this.as('d'); + }; + moment.duration.fn.asWeeks = function () { + return this.as('weeks'); + }; + moment.duration.fn.asMonths = function () { + return this.as('M'); + }; + moment.duration.fn.asYears = function () { + return this.as('y'); + }; - /** - * Load all filtered rows in the background one by one - * Start this method without providing an index! - */ - Filter.prototype.loadInBackground = function(index) { - if (index === undefined) - index = 0; + /************************************ + Default Locale + ************************************/ - var frame = this.graph.frame; - if (index < this.values.length) { - var dataPointsTemp = this._getDataPoints(index); - //this.graph.redrawInfo(); // TODO: not neat + // Set default locale, other locale will inherit from English. + moment.locale('en', { + ordinalParse: /\d{1,2}(th|st|nd|rd)/, + ordinal : function (number) { + var b = number % 10, + output = (toInt(number % 100 / 10) === 1) ? 'th' : + (b === 1) ? 'st' : + (b === 2) ? 'nd' : + (b === 3) ? 'rd' : 'th'; + return number + output; + } + }); - // create a progress box - if (frame.progress === undefined) { - frame.progress = document.createElement('DIV'); - frame.progress.style.position = 'absolute'; - frame.progress.style.color = 'gray'; - frame.appendChild(frame.progress); + /* EMBED_LOCALES */ + + /************************************ + Exposing Moment + ************************************/ + + function makeGlobal(shouldDeprecate) { + /*global ender:false */ + if (typeof ender !== 'undefined') { + return; + } + oldGlobalMoment = globalScope.moment; + if (shouldDeprecate) { + globalScope.moment = deprecate( + 'Accessing Moment through the global scope is ' + + 'deprecated, and will be removed in an upcoming ' + + 'release.', + moment); + } else { + globalScope.moment = moment; + } } - var progress = this.getLoadedProgress(); - frame.progress.innerHTML = 'Loading animation... ' + progress + '%'; - // TODO: this is no nice solution... - frame.progress.style.bottom = 60 + 'px'; // TODO: use height of slider - frame.progress.style.left = 10 + 'px'; - var me = this; - setTimeout(function() {me.loadInBackground(index+1);}, 10); - this.loaded = false; - } - else { - this.loaded = true; + // CommonJS module is defined + if (hasModule) { + module.exports = moment; + } else if (true) { + !(__WEBPACK_AMD_DEFINE_RESULT__ = function (require, exports, module) { + if (module.config && module.config() && module.config().noGlobal === true) { + // release the global variable + globalScope.moment = oldGlobalMoment; + } - // remove the progress box - if (frame.progress !== undefined) { - frame.removeChild(frame.progress); - frame.progress = undefined; + return moment; + }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); + makeGlobal(true); + } else { + makeGlobal(); } + }).call(this); + + /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(5)(module))) - if (this.onLoadCallback) - this.onLoadCallback(); - } - }; +/***/ }, +/* 4 */ +/***/ function(module, exports, __webpack_require__) { - module.exports = Filter; + function webpackContext(req) { + throw new Error("Cannot find module '" + req + "'."); + } + webpackContext.keys = function() { return []; }; + webpackContext.resolve = webpackContext; + module.exports = webpackContext; + webpackContext.id = 4; /***/ }, -/* 9 */ +/* 5 */ /***/ function(module, exports, __webpack_require__) { - /** - * @prototype Point2d - * @param {Number} [x] - * @param {Number} [y] - */ - function Point2d (x, y) { - this.x = x !== undefined ? x : 0; - this.y = y !== undefined ? y : 0; + module.exports = function(module) { + if(!module.webpackPolyfill) { + module.deprecate = function() {}; + module.paths = []; + // module.parent = undefined by default + module.children = []; + module.webpackPolyfill = 1; + } + return module; } - module.exports = Point2d; - /***/ }, -/* 10 */ +/* 6 */ /***/ function(module, exports, __webpack_require__) { - /** - * @prototype Point3d - * @param {Number} [x] - * @param {Number} [y] - * @param {Number} [z] - */ - function Point3d(x, y, z) { - this.x = x !== undefined ? x : 0; - this.y = y !== undefined ? y : 0; - this.z = z !== undefined ? z : 0; - }; - - /** - * Subtract the two provided points, returns a-b - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} a-b - */ - Point3d.subtract = function(a, b) { - var sub = new Point3d(); - sub.x = a.x - b.x; - sub.y = a.y - b.y; - sub.z = a.z - b.z; - return sub; - }; + // DOM utility methods /** - * Add the two provided points, returns a+b - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} a+b + * this prepares the JSON container for allocating SVG elements + * @param JSONcontainer + * @private */ - Point3d.add = function(a, b) { - var sum = new Point3d(); - sum.x = a.x + b.x; - sum.y = a.y + b.y; - sum.z = a.z + b.z; - return sum; + exports.prepareElements = function(JSONcontainer) { + // cleanup the redundant svgElements; + for (var elementType in JSONcontainer) { + if (JSONcontainer.hasOwnProperty(elementType)) { + JSONcontainer[elementType].redundant = JSONcontainer[elementType].used; + JSONcontainer[elementType].used = []; + } + } }; /** - * Calculate the average of two 3d points - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} The average, (a+b)/2 + * this cleans up all the unused SVG elements. By asking for the parentNode, we only need to supply the JSON container from + * which to remove the redundant elements. + * + * @param JSONcontainer + * @private */ - Point3d.avg = function(a, b) { - return new Point3d( - (a.x + b.x) / 2, - (a.y + b.y) / 2, - (a.z + b.z) / 2 - ); + exports.cleanupElements = function(JSONcontainer) { + // cleanup the redundant svgElements; + for (var elementType in JSONcontainer) { + if (JSONcontainer.hasOwnProperty(elementType)) { + if (JSONcontainer[elementType].redundant) { + for (var i = 0; i < JSONcontainer[elementType].redundant.length; i++) { + JSONcontainer[elementType].redundant[i].parentNode.removeChild(JSONcontainer[elementType].redundant[i]); + } + JSONcontainer[elementType].redundant = []; + } + } + } }; /** - * Calculate the cross product of the two provided points, returns axb - * Documentation: http://en.wikipedia.org/wiki/Cross_product - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} cross product axb + * Allocate or generate an SVG element if needed. Store a reference to it in the JSON container and draw it in the svgContainer + * the JSON container and the SVG container have to be supplied so other svg containers (like the legend) can use this. + * + * @param elementType + * @param JSONcontainer + * @param svgContainer + * @returns {*} + * @private */ - Point3d.crossProduct = function(a, b) { - var crossproduct = new Point3d(); - - crossproduct.x = a.y * b.z - a.z * b.y; - crossproduct.y = a.z * b.x - a.x * b.z; - crossproduct.z = a.x * b.y - a.y * b.x; - - return crossproduct; + exports.getSVGElement = function (elementType, JSONcontainer, svgContainer) { + var element; + // allocate SVG element, if it doesnt yet exist, create one. + if (JSONcontainer.hasOwnProperty(elementType)) { // this element has been created before + // check if there is an redundant element + if (JSONcontainer[elementType].redundant.length > 0) { + element = JSONcontainer[elementType].redundant[0]; + JSONcontainer[elementType].redundant.shift(); + } + else { + // create a new element and add it to the SVG + element = document.createElementNS('http://www.w3.org/2000/svg', elementType); + svgContainer.appendChild(element); + } + } + else { + // create a new element and add it to the SVG, also create a new object in the svgElements to keep track of it. + element = document.createElementNS('http://www.w3.org/2000/svg', elementType); + JSONcontainer[elementType] = {used: [], redundant: []}; + svgContainer.appendChild(element); + } + JSONcontainer[elementType].used.push(element); + return element; }; /** - * Rtrieve the length of the vector (or the distance from this point to the origin - * @return {Number} length + * Allocate or generate an SVG element if needed. Store a reference to it in the JSON container and draw it in the svgContainer + * the JSON container and the SVG container have to be supplied so other svg containers (like the legend) can use this. + * + * @param elementType + * @param JSONcontainer + * @param DOMContainer + * @returns {*} + * @private */ - Point3d.prototype.length = function() { - return Math.sqrt( - this.x * this.x + - this.y * this.y + - this.z * this.z - ); + exports.getDOMElement = function (elementType, JSONcontainer, DOMContainer, insertBefore) { + var element; + // allocate DOM element, if it doesnt yet exist, create one. + if (JSONcontainer.hasOwnProperty(elementType)) { // this element has been created before + // check if there is an redundant element + if (JSONcontainer[elementType].redundant.length > 0) { + element = JSONcontainer[elementType].redundant[0]; + JSONcontainer[elementType].redundant.shift(); + } + else { + // create a new element and add it to the SVG + element = document.createElement(elementType); + if (insertBefore !== undefined) { + DOMContainer.insertBefore(element, insertBefore); + } + else { + DOMContainer.appendChild(element); + } + } + } + else { + // create a new element and add it to the SVG, also create a new object in the svgElements to keep track of it. + element = document.createElement(elementType); + JSONcontainer[elementType] = {used: [], redundant: []}; + if (insertBefore !== undefined) { + DOMContainer.insertBefore(element, insertBefore); + } + else { + DOMContainer.appendChild(element); + } + } + JSONcontainer[elementType].used.push(element); + return element; }; - module.exports = Point3d; - -/***/ }, -/* 11 */ -/***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); /** - * @constructor Slider + * draw a point object. this is a seperate function because it can also be called by the legend. + * The reason the JSONcontainer and the target SVG svgContainer have to be supplied is so the legend can use these functions + * as well. * - * An html slider control with start/stop/prev/next buttons - * @param {Element} container The element where the slider will be created - * @param {Object} options Available options: - * {boolean} visible If true (default) the - * slider is visible. + * @param x + * @param y + * @param group + * @param JSONcontainer + * @param svgContainer + * @returns {*} */ - function Slider(container, options) { - if (container === undefined) { - throw 'Error: No container element defined'; + exports.drawPoint = function(x, y, group, JSONcontainer, svgContainer) { + var point; + if (group.options.drawPoints.style == 'circle') { + point = exports.getSVGElement('circle',JSONcontainer,svgContainer); + point.setAttributeNS(null, "cx", x); + point.setAttributeNS(null, "cy", y); + point.setAttributeNS(null, "r", 0.5 * group.options.drawPoints.size); } - this.container = container; - this.visible = (options && options.visible != undefined) ? options.visible : true; - - if (this.visible) { - this.frame = document.createElement('DIV'); - //this.frame.style.backgroundColor = '#E5E5E5'; - this.frame.style.width = '100%'; - this.frame.style.position = 'relative'; - this.container.appendChild(this.frame); - - this.frame.prev = document.createElement('INPUT'); - this.frame.prev.type = 'BUTTON'; - this.frame.prev.value = 'Prev'; - this.frame.appendChild(this.frame.prev); - - this.frame.play = document.createElement('INPUT'); - this.frame.play.type = 'BUTTON'; - this.frame.play.value = 'Play'; - this.frame.appendChild(this.frame.play); - - this.frame.next = document.createElement('INPUT'); - this.frame.next.type = 'BUTTON'; - this.frame.next.value = 'Next'; - this.frame.appendChild(this.frame.next); - - this.frame.bar = document.createElement('INPUT'); - this.frame.bar.type = 'BUTTON'; - this.frame.bar.style.position = 'absolute'; - this.frame.bar.style.border = '1px solid red'; - this.frame.bar.style.width = '100px'; - this.frame.bar.style.height = '6px'; - this.frame.bar.style.borderRadius = '2px'; - this.frame.bar.style.MozBorderRadius = '2px'; - this.frame.bar.style.border = '1px solid #7F7F7F'; - this.frame.bar.style.backgroundColor = '#E5E5E5'; - this.frame.appendChild(this.frame.bar); - - this.frame.slide = document.createElement('INPUT'); - this.frame.slide.type = 'BUTTON'; - this.frame.slide.style.margin = '0px'; - this.frame.slide.value = ' '; - this.frame.slide.style.position = 'relative'; - this.frame.slide.style.left = '-100px'; - this.frame.appendChild(this.frame.slide); - - // create events - var me = this; - this.frame.slide.onmousedown = function (event) {me._onMouseDown(event);}; - this.frame.prev.onclick = function (event) {me.prev(event);}; - this.frame.play.onclick = function (event) {me.togglePlay(event);}; - this.frame.next.onclick = function (event) {me.next(event);}; + else { + point = exports.getSVGElement('rect',JSONcontainer,svgContainer); + point.setAttributeNS(null, "x", x - 0.5*group.options.drawPoints.size); + point.setAttributeNS(null, "y", y - 0.5*group.options.drawPoints.size); + point.setAttributeNS(null, "width", group.options.drawPoints.size); + point.setAttributeNS(null, "height", group.options.drawPoints.size); } - this.onChangeCallback = undefined; - - this.values = []; - this.index = undefined; - - this.playTimeout = undefined; - this.playInterval = 1000; // milliseconds - this.playLoop = true; - } - - /** - * Select the previous index - */ - Slider.prototype.prev = function() { - var index = this.getIndex(); - if (index > 0) { - index--; - this.setIndex(index); + if(group.options.drawPoints.styles !== undefined) { + point.setAttributeNS(null, "style", group.group.options.drawPoints.styles); } + point.setAttributeNS(null, "class", group.className + " point"); + return point; }; /** - * Select the next index + * draw a bar SVG element centered on the X coordinate + * + * @param x + * @param y + * @param className */ - Slider.prototype.next = function() { - var index = this.getIndex(); - if (index < this.values.length - 1) { - index++; - this.setIndex(index); + exports.drawBar = function (x, y, width, height, className, JSONcontainer, svgContainer) { + if (height != 0) { + if (height < 0) { + height *= -1; + y -= height; + } + var rect = exports.getSVGElement('rect',JSONcontainer, svgContainer); + rect.setAttributeNS(null, "x", x - 0.5 * width); + rect.setAttributeNS(null, "y", y); + rect.setAttributeNS(null, "width", width); + rect.setAttributeNS(null, "height", height); + rect.setAttributeNS(null, "class", className); } }; +/***/ }, +/* 7 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Queue = __webpack_require__(8); + /** - * Select the next index + * DataSet + * + * Usage: + * var dataSet = new DataSet({ + * fieldId: '_id', + * type: { + * // ... + * } + * }); + * + * dataSet.add(item); + * dataSet.add(data); + * dataSet.update(item); + * dataSet.update(data); + * dataSet.remove(id); + * dataSet.remove(ids); + * var data = dataSet.get(); + * var data = dataSet.get(id); + * var data = dataSet.get(ids); + * var data = dataSet.get(ids, options, data); + * dataSet.clear(); + * + * A data set can: + * - add/remove/update data + * - gives triggers upon changes in the data + * - can import/export data in various data formats + * + * @param {Array | DataTable} [data] Optional array with initial data + * @param {Object} [options] Available options: + * {String} fieldId Field name of the id in the + * items, 'id' by default. + * {Object. 0) - this.setIndex(0); - else - this.index = undefined; - }; + DataSet.prototype.add = function (data, senderId) { + var addedIds = [], + id, + me = this; - /** - * Select a value by its index - * @param {Number} index - */ - Slider.prototype.setIndex = function(index) { - if (index < this.values.length) { - this.index = index; + if (Array.isArray(data)) { + // Array + for (var i = 0, len = data.length; i < len; i++) { + id = me._addItem(data[i]); + addedIds.push(id); + } + } + else if (util.isDataTable(data)) { + // Google DataTable + var columns = this._getColumnNames(data); + for (var row = 0, rows = data.getNumberOfRows(); row < rows; row++) { + var item = {}; + for (var col = 0, cols = columns.length; col < cols; col++) { + var field = columns[col]; + item[field] = data.getValue(row, col); + } - this.redraw(); - this.onChange(); + id = me._addItem(item); + addedIds.push(id); + } + } + else if (data instanceof Object) { + // Single item + id = me._addItem(data); + addedIds.push(id); } else { - throw 'Error: index out of range'; + throw new Error('Unknown dataType'); } - }; - /** - * retrieve the index of the currently selected vaue - * @return {Number} index - */ - Slider.prototype.getIndex = function() { - return this.index; - }; + if (addedIds.length) { + this._trigger('add', {items: addedIds}, senderId); + } + return addedIds; + }; /** - * retrieve the currently selected value - * @return {*} value + * Update existing items. When an item does not exist, it will be created + * @param {Object | Array | DataTable} data + * @param {String} [senderId] Optional sender id + * @return {Array} updatedIds The ids of the added or updated items */ - Slider.prototype.get = function() { - return this.values[this.index]; - }; + DataSet.prototype.update = function (data, senderId) { + var addedIds = []; + var updatedIds = []; + var updatedData = []; + var me = this; + var fieldId = me._fieldId; + var addOrUpdate = function (item) { + var id = item[fieldId]; + if (me._data[id]) { + // update item + id = me._updateItem(item); + updatedIds.push(id); + updatedData.push(item); + } + else { + // add new item + id = me._addItem(item); + addedIds.push(id); + } + }; - Slider.prototype._onMouseDown = function(event) { - // only react on left mouse button down - var leftButtonDown = event.which ? (event.which === 1) : (event.button === 1); - if (!leftButtonDown) return; + if (Array.isArray(data)) { + // Array + for (var i = 0, len = data.length; i < len; i++) { + addOrUpdate(data[i]); + } + } + else if (util.isDataTable(data)) { + // Google DataTable + var columns = this._getColumnNames(data); + for (var row = 0, rows = data.getNumberOfRows(); row < rows; row++) { + var item = {}; + for (var col = 0, cols = columns.length; col < cols; col++) { + var field = columns[col]; + item[field] = data.getValue(row, col); + } - this.startClientX = event.clientX; - this.startSlideX = parseFloat(this.frame.slide.style.left); + addOrUpdate(item); + } + } + else if (data instanceof Object) { + // Single item + addOrUpdate(data); + } + else { + throw new Error('Unknown dataType'); + } - this.frame.style.cursor = 'move'; + if (addedIds.length) { + this._trigger('add', {items: addedIds}, senderId); + } + if (updatedIds.length) { + this._trigger('update', {items: updatedIds, data: updatedData}, senderId); + } - // add event listeners to handle moving the contents - // we store the function onmousemove and onmouseup in the graph, so we can - // remove the eventlisteners lateron in the function mouseUp() - var me = this; - this.onmousemove = function (event) {me._onMouseMove(event);}; - this.onmouseup = function (event) {me._onMouseUp(event);}; - util.addEventListener(document, 'mousemove', this.onmousemove); - util.addEventListener(document, 'mouseup', this.onmouseup); - util.preventDefault(event); + return addedIds.concat(updatedIds); }; + /** + * Get a data item or multiple items. + * + * Usage: + * + * get() + * get(options: Object) + * get(options: Object, data: Array | DataTable) + * + * get(id: Number | String) + * get(id: Number | String, options: Object) + * get(id: Number | String, options: Object, data: Array | DataTable) + * + * get(ids: Number[] | String[]) + * get(ids: Number[] | String[], options: Object) + * get(ids: Number[] | String[], options: Object, data: Array | DataTable) + * + * Where: + * + * {Number | String} id The id of an item + * {Number[] | String{}} ids An array with ids of items + * {Object} options An Object with options. Available options: + * {String} [returnType] Type of data to be + * returned. Can be 'DataTable' or 'Array' (default) + * {Object.} [type] + * {String[]} [fields] field names to be returned + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * {Array | DataTable} [data] If provided, items will be appended to this + * array or table. Required in case of Google + * DataTable. + * + * @throws Error + */ + DataSet.prototype.get = function (args) { + var me = this; - Slider.prototype.leftToIndex = function (left) { - var width = parseFloat(this.frame.bar.style.width) - - this.frame.slide.clientWidth - 10; - var x = left - 3; - - var index = Math.round(x / width * (this.values.length-1)); - if (index < 0) index = 0; - if (index > this.values.length-1) index = this.values.length-1; + // parse the arguments + var id, ids, options, data; + var firstType = util.getType(arguments[0]); + if (firstType == 'String' || firstType == 'Number') { + // get(id [, options] [, data]) + id = arguments[0]; + options = arguments[1]; + data = arguments[2]; + } + else if (firstType == 'Array') { + // get(ids [, options] [, data]) + ids = arguments[0]; + options = arguments[1]; + data = arguments[2]; + } + else { + // get([, options] [, data]) + options = arguments[0]; + data = arguments[1]; + } - return index; - }; + // determine the return type + var returnType; + if (options && options.returnType) { + var allowedValues = ["DataTable", "Array", "Object"]; + returnType = allowedValues.indexOf(options.returnType) == -1 ? "Array" : options.returnType; - Slider.prototype.indexToLeft = function (index) { - var width = parseFloat(this.frame.bar.style.width) - - this.frame.slide.clientWidth - 10; + if (data && (returnType != util.getType(data))) { + throw new Error('Type of parameter "data" (' + util.getType(data) + ') ' + + 'does not correspond with specified options.type (' + options.type + ')'); + } + if (returnType == 'DataTable' && !util.isDataTable(data)) { + throw new Error('Parameter "data" must be a DataTable ' + + 'when options.type is "DataTable"'); + } + } + else if (data) { + returnType = (util.getType(data) == 'DataTable') ? 'DataTable' : 'Array'; + } + else { + returnType = 'Array'; + } - var x = index / (this.values.length-1) * width; - var left = x + 3; + // build options + var type = options && options.type || this._options.type; + var filter = options && options.filter; + var items = [], item, itemId, i, len; - return left; - }; + // convert items + if (id != undefined) { + // return a single item + item = me._getItem(id, type); + if (filter && !filter(item)) { + item = null; + } + } + else if (ids != undefined) { + // return a subset of items + for (i = 0, len = ids.length; i < len; i++) { + item = me._getItem(ids[i], type); + if (!filter || filter(item)) { + items.push(item); + } + } + } + else { + // return all items + for (itemId in this._data) { + if (this._data.hasOwnProperty(itemId)) { + item = me._getItem(itemId, type); + if (!filter || filter(item)) { + items.push(item); + } + } + } + } + // order the results + if (options && options.order && id == undefined) { + this._sort(items, options.order); + } + // filter fields of the items + if (options && options.fields) { + var fields = options.fields; + if (id != undefined) { + item = this._filterFields(item, fields); + } + else { + for (i = 0, len = items.length; i < len; i++) { + items[i] = this._filterFields(items[i], fields); + } + } + } - Slider.prototype._onMouseMove = function (event) { - var diff = event.clientX - this.startClientX; - var x = this.startSlideX + diff; + // return the results + if (returnType == 'DataTable') { + var columns = this._getColumnNames(data); + if (id != undefined) { + // append a single item to the data table + me._appendRow(data, columns, item); + } + else { + // copy the items to the provided data table + for (i = 0; i < items.length; i++) { + me._appendRow(data, columns, items[i]); + } + } + return data; + } + else if (returnType == "Object") { + var result = {}; + for (i = 0; i < items.length; i++) { + result[items[i].id] = items[i]; + } + return result; + } + else { + // return an array + if (id != undefined) { + // a single item + return item; + } + else { + // multiple items + if (data) { + // copy the items to the provided array + for (i = 0, len = items.length; i < len; i++) { + data.push(items[i]); + } + return data; + } + else { + // just return our array + return items; + } + } + } + }; - var index = this.leftToIndex(x); + /** + * Get ids of all items or from a filtered set of items. + * @param {Object} [options] An Object with options. Available options: + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * @return {Array} ids + */ + DataSet.prototype.getIds = function (options) { + var data = this._data, + filter = options && options.filter, + order = options && options.order, + type = options && options.type || this._options.type, + i, + len, + id, + item, + items, + ids = []; - this.setIndex(index); + if (filter) { + // get filtered items + if (order) { + // create ordered list + items = []; + for (id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, type); + if (filter(item)) { + items.push(item); + } + } + } - util.preventDefault(); - }; + this._sort(items, order); + for (i = 0, len = items.length; i < len; i++) { + ids[i] = items[i][this._fieldId]; + } + } + else { + // create unordered list + for (id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, type); + if (filter(item)) { + ids.push(item[this._fieldId]); + } + } + } + } + } + else { + // get all items + if (order) { + // create an ordered list + items = []; + for (id in data) { + if (data.hasOwnProperty(id)) { + items.push(data[id]); + } + } - Slider.prototype._onMouseUp = function (event) { - this.frame.style.cursor = 'auto'; + this._sort(items, order); - // remove event listeners - util.removeEventListener(document, 'mousemove', this.onmousemove); - util.removeEventListener(document, 'mouseup', this.onmouseup); + for (i = 0, len = items.length; i < len; i++) { + ids[i] = items[i][this._fieldId]; + } + } + else { + // create unordered list + for (id in data) { + if (data.hasOwnProperty(id)) { + item = data[id]; + ids.push(item[this._fieldId]); + } + } + } + } - util.preventDefault(); + return ids; }; - module.exports = Slider; - - -/***/ }, -/* 12 */ -/***/ function(module, exports, __webpack_require__) { - /** - * @prototype StepNumber - * The class StepNumber is an iterator for Numbers. You provide a start and end - * value, and a best step size. StepNumber itself rounds to fixed values and - * a finds the step that best fits the provided step. - * - * If prettyStep is true, the step size is chosen as close as possible to the - * provided step, but being a round value like 1, 2, 5, 10, 20, 50, .... - * - * Example usage: - * var step = new StepNumber(0, 10, 2.5, true); - * step.start(); - * while (!step.end()) { - * alert(step.getCurrent()); - * step.next(); - * } - * - * Version: 1.0 - * - * @param {Number} start The start value - * @param {Number} end The end value - * @param {Number} step Optional. Step size. Must be a positive value. - * @param {boolean} prettyStep Optional. If true, the step size is rounded - * To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) + * Returns the DataSet itself. Is overwritten for example by the DataView, + * which returns the DataSet it is connected to instead. */ - function StepNumber(start, end, step, prettyStep) { - // set default values - this._start = 0; - this._end = 0; - this._step = 1; - this.prettyStep = true; - this.precision = 5; - - this._current = 0; - this.setRange(start, end, step, prettyStep); + DataSet.prototype.getDataSet = function () { + return this; }; /** - * Set a new range: start, end and step. - * - * @param {Number} start The start value - * @param {Number} end The end value - * @param {Number} step Optional. Step size. Must be a positive value. - * @param {boolean} prettyStep Optional. If true, the step size is rounded - * To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) + * Execute a callback function for every item in the dataset. + * @param {function} callback + * @param {Object} [options] Available options: + * {Object.} [type] + * {String[]} [fields] filter fields + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. */ - StepNumber.prototype.setRange = function(start, end, step, prettyStep) { - this._start = start ? start : 0; - this._end = end ? end : 0; + DataSet.prototype.forEach = function (callback, options) { + var filter = options && options.filter, + type = options && options.type || this._options.type, + data = this._data, + item, + id; - this.setStep(step, prettyStep); + if (options && options.order) { + // execute forEach on ordered list + var items = this.get(options); + + for (var i = 0, len = items.length; i < len; i++) { + item = items[i]; + id = item[this._fieldId]; + callback(item, id); + } + } + else { + // unordered + for (id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, type); + if (!filter || filter(item)) { + callback(item, id); + } + } + } + } }; /** - * Set a new step size - * @param {Number} step New step size. Must be a positive value - * @param {boolean} prettyStep Optional. If true, the provided step is rounded - * to a pretty step size (like 1, 2, 5, 10, 20, 50, ...) + * Map every item in the dataset. + * @param {function} callback + * @param {Object} [options] Available options: + * {Object.} [type] + * {String[]} [fields] filter fields + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * @return {Object[]} mappedItems */ - StepNumber.prototype.setStep = function(step, prettyStep) { - if (step === undefined || step <= 0) - return; + DataSet.prototype.map = function (callback, options) { + var filter = options && options.filter, + type = options && options.type || this._options.type, + mappedItems = [], + data = this._data, + item; - if (prettyStep !== undefined) - this.prettyStep = prettyStep; + // convert and filter items + for (var id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, type); + if (!filter || filter(item)) { + mappedItems.push(callback(item, id)); + } + } + } - if (this.prettyStep === true) - this._step = StepNumber.calculatePrettyStep(step); - else - this._step = step; + // order items + if (options && options.order) { + this._sort(mappedItems, options.order); + } + + return mappedItems; }; /** - * Calculate a nice step size, closest to the desired step size. - * Returns a value in one of the ranges 1*10^n, 2*10^n, or 5*10^n, where n is an - * integer Number. For example 1, 2, 5, 10, 20, 50, etc... - * @param {Number} step Desired step size - * @return {Number} Nice step size + * Filter the fields of an item + * @param {Object} item + * @param {String[]} fields Field names + * @return {Object} filteredItem + * @private */ - StepNumber.calculatePrettyStep = function (step) { - var log10 = function (x) {return Math.log(x) / Math.LN10;}; - - // try three steps (multiple of 1, 2, or 5 - var step1 = Math.pow(10, Math.round(log10(step))), - step2 = 2 * Math.pow(10, Math.round(log10(step / 2))), - step5 = 5 * Math.pow(10, Math.round(log10(step / 5))); - - // choose the best step (closest to minimum step) - var prettyStep = step1; - if (Math.abs(step2 - step) <= Math.abs(prettyStep - step)) prettyStep = step2; - if (Math.abs(step5 - step) <= Math.abs(prettyStep - step)) prettyStep = step5; + DataSet.prototype._filterFields = function (item, fields) { + var filteredItem = {}; - // for safety - if (prettyStep <= 0) { - prettyStep = 1; + for (var field in item) { + if (item.hasOwnProperty(field) && (fields.indexOf(field) != -1)) { + filteredItem[field] = item[field]; + } } - return prettyStep; + return filteredItem; }; /** - * returns the current value of the step - * @return {Number} current value + * Sort the provided array with items + * @param {Object[]} items + * @param {String | function} order A field name or custom sort function. + * @private */ - StepNumber.prototype.getCurrent = function () { - return parseFloat(this._current.toPrecision(this.precision)); + DataSet.prototype._sort = function (items, order) { + if (util.isString(order)) { + // order by provided field name + var name = order; // field name + items.sort(function (a, b) { + var av = a[name]; + var bv = b[name]; + return (av > bv) ? 1 : ((av < bv) ? -1 : 0); + }); + } + else if (typeof order === 'function') { + // order by sort function + items.sort(order); + } + // TODO: extend order by an Object {field:String, direction:String} + // where direction can be 'asc' or 'desc' + else { + throw new TypeError('Order must be a function or a string'); + } }; /** - * returns the current step size - * @return {Number} current step size + * Remove an object by pointer or by id + * @param {String | Number | Object | Array} id Object or id, or an array with + * objects or ids to be removed + * @param {String} [senderId] Optional sender id + * @return {Array} removedIds */ - StepNumber.prototype.getStep = function () { - return this._step; - }; + DataSet.prototype.remove = function (id, senderId) { + var removedIds = [], + i, len, removedId; - /** - * Set the current value to the largest value smaller than start, which - * is a multiple of the step size - */ - StepNumber.prototype.start = function() { - this._current = this._start - this._start % this._step; + if (Array.isArray(id)) { + for (i = 0, len = id.length; i < len; i++) { + removedId = this._remove(id[i]); + if (removedId != null) { + removedIds.push(removedId); + } + } + } + else { + removedId = this._remove(id); + if (removedId != null) { + removedIds.push(removedId); + } + } + + if (removedIds.length) { + this._trigger('remove', {items: removedIds}, senderId); + } + + return removedIds; }; /** - * Do a step, add the step size to the current value + * Remove an item by its id + * @param {Number | String | Object} id id or item + * @returns {Number | String | null} id + * @private */ - StepNumber.prototype.next = function () { - this._current += this._step; + DataSet.prototype._remove = function (id) { + if (util.isNumber(id) || util.isString(id)) { + if (this._data[id]) { + delete this._data[id]; + return id; + } + } + else if (id instanceof Object) { + var itemId = id[this._fieldId]; + if (itemId && this._data[itemId]) { + delete this._data[itemId]; + return itemId; + } + } + return null; }; /** - * Returns true whether the end is reached - * @return {boolean} True if the current value has passed the end value. + * Clear the data + * @param {String} [senderId] Optional sender id + * @return {Array} removedIds The ids of all removed items */ - StepNumber.prototype.end = function () { - return (this._current > this._end); - }; - - module.exports = StepNumber; + DataSet.prototype.clear = function (senderId) { + var ids = Object.keys(this._data); + this._data = {}; -/***/ }, -/* 13 */ -/***/ function(module, exports, __webpack_require__) { + this._trigger('remove', {items: ids}, senderId); - var Emitter = __webpack_require__(56); - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); - var DataSet = __webpack_require__(3); - var DataView = __webpack_require__(4); - var Range = __webpack_require__(17); - var Core = __webpack_require__(46); - var TimeAxis = __webpack_require__(30); - var CurrentTime = __webpack_require__(21); - var CustomTime = __webpack_require__(22); - var ItemSet = __webpack_require__(27); + return ids; + }; /** - * Create a timeline visualization - * @param {HTMLElement} container - * @param {vis.DataSet | Array | google.visualization.DataTable} [items] - * @param {vis.DataSet | Array | google.visualization.DataTable} [groups] - * @param {Object} [options] See Timeline.setOptions for the available options. - * @constructor - * @extends Core + * Find the item with maximum value of a specified field + * @param {String} field + * @return {Object | null} item Item containing max value, or null if no items */ - function Timeline (container, items, groups, options) { - if (!(this instanceof Timeline)) { - throw new SyntaxError('Constructor must be called with the new operator'); - } + DataSet.prototype.max = function (field) { + var data = this._data, + max = null, + maxField = null; - // if the third element is options, the forth is groups (optionally); - if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) { - var forthArgument = options; - options = groups; - groups = forthArgument; + for (var id in data) { + if (data.hasOwnProperty(id)) { + var item = data[id]; + var itemField = item[field]; + if (itemField != null && (!max || itemField > maxField)) { + max = item; + maxField = itemField; + } + } } - var me = this; - this.defaultOptions = { - start: null, - end: null, - - autoResize: true, - - orientation: 'bottom', - width: null, - height: null, - maxHeight: null, - minHeight: null - }; - this.options = util.deepExtend({}, this.defaultOptions); - - // Create the DOM, props, and emitter - this._create(container); + return max; + }; - // all components listed here will be repainted automatically - this.components = []; + /** + * Find the item with minimum value of a specified field + * @param {String} field + * @return {Object | null} item Item containing max value, or null if no items + */ + DataSet.prototype.min = function (field) { + var data = this._data, + min = null, + minField = null; - this.body = { - dom: this.dom, - domProps: this.props, - emitter: { - on: this.on.bind(this), - off: this.off.bind(this), - emit: this.emit.bind(this) - }, - hiddenDates: [], - util: { - snap: null, // will be specified after TimeAxis is created - toScreen: me._toScreen.bind(me), - toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width - toTime: me._toTime.bind(me), - toGlobalTime : me._toGlobalTime.bind(me) + for (var id in data) { + if (data.hasOwnProperty(id)) { + var item = data[id]; + var itemField = item[field]; + if (itemField != null && (!min || itemField < minField)) { + min = item; + minField = itemField; + } } - }; - - // range - this.range = new Range(this.body); - this.components.push(this.range); - this.body.range = this.range; - - // time axis - this.timeAxis = new TimeAxis(this.body); - this.components.push(this.timeAxis); - this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); - - // current time bar - this.currentTime = new CurrentTime(this.body); - this.components.push(this.currentTime); - - // custom time bar - // Note: time bar will be attached in this.setOptions when selected - this.customTime = new CustomTime(this.body); - this.components.push(this.customTime); - - // item set - this.itemSet = new ItemSet(this.body); - this.components.push(this.itemSet); + } - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + return min; + }; - // apply options - if (options) { - this.setOptions(options); - } + /** + * Find all distinct values of a specified field + * @param {String} field + * @return {Array} values Array containing all distinct values. If data items + * do not contain the specified field are ignored. + * The returned array is unordered. + */ + DataSet.prototype.distinct = function (field) { + var data = this._data; + var values = []; + var fieldType = this._options.type && this._options.type[field] || null; + var count = 0; + var i; - // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! - if (groups) { - this.setGroups(groups); + for (var prop in data) { + if (data.hasOwnProperty(prop)) { + var item = data[prop]; + var value = item[field]; + var exists = false; + for (i = 0; i < count; i++) { + if (values[i] == value) { + exists = true; + break; + } + } + if (!exists && (value !== undefined)) { + values[count] = value; + count++; + } + } } - // create itemset - if (items) { - this.setItems(items); - } - else { - this.redraw(); + if (fieldType) { + for (i = 0; i < values.length; i++) { + values[i] = util.convert(values[i], fieldType); + } } - } - // Extend the functionality from Core - Timeline.prototype = new Core(); + return values; + }; /** - * Set items - * @param {vis.DataSet | Array | google.visualization.DataTable | null} items + * Add a single item. Will fail when an item with the same id already exists. + * @param {Object} item + * @return {String} id + * @private */ - Timeline.prototype.setItems = function(items) { - var initialLoad = (this.itemsData == null); + DataSet.prototype._addItem = function (item) { + var id = item[this._fieldId]; - // convert to type DataSet when needed - var newDataSet; - if (!items) { - newDataSet = null; - } - else if (items instanceof DataSet || items instanceof DataView) { - newDataSet = items; + if (id != undefined) { + // check whether this id is already taken + if (this._data[id]) { + // item already exists + throw new Error('Cannot add item: item with id ' + id + ' already exists'); + } } else { - // turn an array into a dataset - newDataSet = new DataSet(items, { - type: { - start: 'Date', - end: 'Date' - } - }); + // generate an id + id = util.randomUUID(); + item[this._fieldId] = id; + } + + var d = {}; + for (var field in item) { + if (item.hasOwnProperty(field)) { + var fieldType = this._type[field]; // type may be undefined + d[field] = util.convert(item[field], fieldType); + } } + this._data[id] = d; - // set items - this.itemsData = newDataSet; - this.itemSet && this.itemSet.setItems(newDataSet); + return id; + }; - if (initialLoad) { - if (this.options.start != undefined || this.options.end != undefined) { - if (this.options.start == undefined || this.options.end == undefined) { - var dataRange = this._getDataRange(); - } + /** + * Get an item. Fields can be converted to a specific type + * @param {String} id + * @param {Object.} [types] field types to convert + * @return {Object | null} item + * @private + */ + DataSet.prototype._getItem = function (id, types) { + var field, value; - var start = this.options.start != undefined ? this.options.start : dataRange.start; - var end = this.options.end != undefined ? this.options.end : dataRange.end; + // get the item from the dataset + var raw = this._data[id]; + if (!raw) { + return null; + } - this.setWindow(start, end, {animate: false}); + // convert the items field types + var converted = {}; + if (types) { + for (field in raw) { + if (raw.hasOwnProperty(field)) { + value = raw[field]; + converted[field] = util.convert(value, types[field]); + } } - else { - this.fit({animate: false}); + } + else { + // no field types specified, no converting needed + for (field in raw) { + if (raw.hasOwnProperty(field)) { + value = raw[field]; + converted[field] = value; + } } } + return converted; }; /** - * Set groups - * @param {vis.DataSet | Array | google.visualization.DataTable} groups + * Update a single item: merge with existing item. + * Will fail when the item has no id, or when there does not exist an item + * with the same id. + * @param {Object} item + * @return {String} id + * @private */ - Timeline.prototype.setGroups = function(groups) { - // convert to type DataSet when needed - var newDataSet; - if (!groups) { - newDataSet = null; + DataSet.prototype._updateItem = function (item) { + var id = item[this._fieldId]; + if (id == undefined) { + throw new Error('Cannot update item: item has no id (item: ' + JSON.stringify(item) + ')'); } - else if (groups instanceof DataSet || groups instanceof DataView) { - newDataSet = groups; + var d = this._data[id]; + if (!d) { + // item doesn't exist + throw new Error('Cannot update item: no item with id ' + id + ' found'); } - else { - // turn an array into a dataset - newDataSet = new DataSet(groups); + + // merge with current item + for (var field in item) { + if (item.hasOwnProperty(field)) { + var fieldType = this._type[field]; // type may be undefined + d[field] = util.convert(item[field], fieldType); + } } - this.groupsData = newDataSet; - this.itemSet.setGroups(newDataSet); + return id; }; /** - * Set selected items by their id. Replaces the current selection - * Unknown id's are silently ignored. - * @param {string[] | string} [ids] An array with zero or more id's of the items to be - * selected. If ids is an empty array, all items will be - * unselected. - * @param {Object} [options] Available options: - * `focus: boolean` - * If true, focus will be set to the selected item(s) - * `animate: boolean | number` - * If true (default), the range is animated - * smoothly to the new window. - * If a number, the number is taken as duration - * for the animation. Default duration is 500 ms. - * Only applicable when option focus is true. + * Get an array with the column names of a Google DataTable + * @param {DataTable} dataTable + * @return {String[]} columnNames + * @private */ - Timeline.prototype.setSelection = function(ids, options) { - this.itemSet && this.itemSet.setSelection(ids); - - if (options && options.focus) { - this.focus(ids, options); + DataSet.prototype._getColumnNames = function (dataTable) { + var columns = []; + for (var col = 0, cols = dataTable.getNumberOfColumns(); col < cols; col++) { + columns[col] = dataTable.getColumnId(col) || dataTable.getColumnLabel(col); } + return columns; }; /** - * Get the selected items by their id - * @return {Array} ids The ids of the selected items + * Append an item as a row to the dataTable + * @param dataTable + * @param columns + * @param item + * @private */ - Timeline.prototype.getSelection = function() { - return this.itemSet && this.itemSet.getSelection() || []; + DataSet.prototype._appendRow = function (dataTable, columns, item) { + var row = dataTable.addRow(); + + for (var col = 0, cols = columns.length; col < cols; col++) { + var field = columns[col]; + dataTable.setValue(row, col, item[field]); + } }; + module.exports = DataSet; + + +/***/ }, +/* 8 */ +/***/ function(module, exports, __webpack_require__) { + /** - * Adjust the visible window such that the selected item (or multiple items) - * are centered on screen. - * @param {String | String[]} id An item id or array with item ids - * @param {Object} [options] Available options: - * `animate: boolean | number` - * If true (default), the range is animated - * smoothly to the new window. - * If a number, the number is taken as duration - * for the animation. Default duration is 500 ms. - * Only applicable when option focus is true + * A queue + * @param {Object} options + * Available options: + * - delay: number When provided, the queue will be flushed + * automatically after an inactivity of this delay + * in milliseconds. + * Default value is null. + * - max: number When the queue exceeds the given maximum number + * of entries, the queue is flushed automatically. + * Default value of max is Infinity. + * @constructor */ - Timeline.prototype.focus = function(id, options) { - if (!this.itemsData || id == undefined) return; + function Queue(options) { + // options + this.delay = null; + this.max = Infinity; - var ids = Array.isArray(id) ? id : [id]; + // properties + this._queue = []; + this._timeout = null; + this._extended = null; - // get the specified item(s) - var itemsData = this.itemsData.getDataSet().get(ids, { - type: { - start: 'Date', - end: 'Date' - } - }); + this.setOptions(options); + } - // calculate minimum start and maximum end of specified items - var start = null; - var end = null; - itemsData.forEach(function (itemData) { - var s = itemData.start.valueOf(); - var e = 'end' in itemData ? itemData.end.valueOf() : itemData.start.valueOf(); + /** + * Update the configuration of the queue + * @param {Object} options + * Available options: + * - delay: number When provided, the queue will be flushed + * automatically after an inactivity of this delay + * in milliseconds. + * Default value is null. + * - max: number When the queue exceeds the given maximum number + * of entries, the queue is flushed automatically. + * Default value of max is Infinity. + * @param options + */ + Queue.prototype.setOptions = function (options) { + if (options && typeof options.delay !== 'undefined') { + this.delay = options.delay; + } + if (options && typeof options.max !== 'undefined') { + this.max = options.max; + } - if (start === null || s < start) { - start = s; - } + this._flushIfNeeded(); + }; - if (end === null || e > end) { - end = e; - } - }); + /** + * Extend an object with queuing functionality. + * The object will be extended with a function flush, and the methods provided + * in options.replace will be replaced with queued ones. + * @param {Object} object + * @param {Object} options + * Available options: + * - replace: Array. + * A list with method names of the methods + * on the object to be replaced with queued ones. + * - delay: number When provided, the queue will be flushed + * automatically after an inactivity of this delay + * in milliseconds. + * Default value is null. + * - max: number When the queue exceeds the given maximum number + * of entries, the queue is flushed automatically. + * Default value of max is Infinity. + * @return {Queue} Returns the created queue + */ + Queue.extend = function (object, options) { + var queue = new Queue(options); - if (start !== null && end !== null) { - // calculate the new middle and interval for the window - var middle = (start + end) / 2; - var interval = Math.max((this.range.end - this.range.start), (end - start) * 1.1); + if (object.flush !== undefined) { + throw new Error('Target object already has a property flush'); + } + object.flush = function () { + queue.flush(); + }; - var animate = (options && options.animate !== undefined) ? options.animate : true; - this.range.setRange(middle - interval / 2, middle + interval / 2, animate); + var methods = [{ + name: 'flush', + original: undefined + }]; + + if (options && options.replace) { + for (var i = 0; i < options.replace.length; i++) { + var name = options.replace[i]; + methods.push({ + name: name, + original: object[name] + }); + queue.replace(object, name); + } } + + queue._extended = { + object: object, + methods: methods + }; + + return queue; }; /** - * Get the data range of the item set. - * @returns {{min: Date, max: Date}} range A range with a start and end Date. - * When no minimum is found, min==null - * When no maximum is found, max==null + * Destroy the queue. The queue will first flush all queued actions, and in + * case it has extended an object, will restore the original object. */ - Timeline.prototype.getItemRange = function() { - // calculate min from start filed - var dataset = this.itemsData.getDataSet(), - min = null, - max = null; - - if (dataset) { - // calculate the minimum value of the field 'start' - var minItem = dataset.min('start'); - min = minItem ? util.convert(minItem.start, 'Date').valueOf() : null; - // Note: we convert first to Date and then to number because else - // a conversion from ISODate to Number will fail + Queue.prototype.destroy = function () { + this.flush(); - // calculate maximum value of fields 'start' and 'end' - var maxStartItem = dataset.max('start'); - if (maxStartItem) { - max = util.convert(maxStartItem.start, 'Date').valueOf(); - } - var maxEndItem = dataset.max('end'); - if (maxEndItem) { - if (max == null) { - max = util.convert(maxEndItem.end, 'Date').valueOf(); + if (this._extended) { + var object = this._extended.object; + var methods = this._extended.methods; + for (var i = 0; i < methods.length; i++) { + var method = methods[i]; + if (method.original) { + object[method.name] = method.original; } else { - max = Math.max(max, util.convert(maxEndItem.end, 'Date').valueOf()); + delete object[method.name]; } } + this._extended = null; } - - return { - min: (min != null) ? new Date(min) : null, - max: (max != null) ? new Date(max) : null - }; }; - - module.exports = Timeline; - - -/***/ }, -/* 14 */ -/***/ function(module, exports, __webpack_require__) { - - var Emitter = __webpack_require__(56); - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); - var DataSet = __webpack_require__(3); - var DataView = __webpack_require__(4); - var Range = __webpack_require__(17); - var Core = __webpack_require__(46); - var TimeAxis = __webpack_require__(30); - var CurrentTime = __webpack_require__(21); - var CustomTime = __webpack_require__(22); - var LineGraph = __webpack_require__(29); - /** - * Create a timeline visualization - * @param {HTMLElement} container - * @param {vis.DataSet | Array | google.visualization.DataTable} [items] - * @param {Object} [options] See Graph2d.setOptions for the available options. - * @constructor - * @extends Core + * Replace a method on an object with a queued version + * @param {Object} object Object having the method + * @param {string} method The method name */ - function Graph2d (container, items, groups, options) { - // if the third element is options, the forth is groups (optionally); - if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) { - var forthArgument = options; - options = groups; - groups = forthArgument; - } - + Queue.prototype.replace = function(object, method) { var me = this; - this.defaultOptions = { - start: null, - end: null, + var original = object[method]; + if (!original) { + throw new Error('Method ' + method + ' undefined'); + } - autoResize: true, + object[method] = function () { + // create an Array with the arguments + var args = []; + for (var i = 0; i < arguments.length; i++) { + args[i] = arguments[i]; + } - orientation: 'bottom', - width: null, - height: null, - maxHeight: null, - minHeight: null + // add this call to the queue + me.queue({ + args: args, + fn: original, + context: this + }); }; - this.options = util.deepExtend({}, this.defaultOptions); + }; - // Create the DOM, props, and emitter - this._create(container); + /** + * Queue a call + * @param {function | {fn: function, args: Array} | {fn: function, args: Array, context: Object}} entry + */ + Queue.prototype.queue = function(entry) { + if (typeof entry === 'function') { + this._queue.push({fn: entry}); + } + else { + this._queue.push(entry); + } - // all components listed here will be repainted automatically - this.components = []; + this._flushIfNeeded(); + }; - this.body = { - dom: this.dom, - domProps: this.props, - emitter: { - on: this.on.bind(this), - off: this.off.bind(this), - emit: this.emit.bind(this) - }, - hiddenDates: [], - util: { - snap: null, // will be specified after TimeAxis is created - toScreen: me._toScreen.bind(me), - toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width - toTime: me._toTime.bind(me), - toGlobalTime : me._toGlobalTime.bind(me) - } - }; + /** + * Check whether the queue needs to be flushed + * @private + */ + Queue.prototype._flushIfNeeded = function () { + // flush when the maximum is exceeded. + if (this._queue.length > this.max) { + this.flush(); + } - // range - this.range = new Range(this.body); - this.components.push(this.range); - this.body.range = this.range; + // flush after a period of inactivity when a delay is configured + clearTimeout(this._timeout); + if (this.queue.length > 0 && typeof this.delay === 'number') { + var me = this; + this._timeout = setTimeout(function () { + me.flush(); + }, this.delay); + } + }; - // time axis - this.timeAxis = new TimeAxis(this.body); - this.components.push(this.timeAxis); - this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); + /** + * Flush all queued calls + */ + Queue.prototype.flush = function () { + while (this._queue.length > 0) { + var entry = this._queue.shift(); + entry.fn.apply(entry.context || entry.fn, entry.args || []); + } + }; - // current time bar - this.currentTime = new CurrentTime(this.body); - this.components.push(this.currentTime); + module.exports = Queue; - // custom time bar - // Note: time bar will be attached in this.setOptions when selected - this.customTime = new CustomTime(this.body); - this.components.push(this.customTime); - // item set - this.linegraph = new LineGraph(this.body); - this.components.push(this.linegraph); +/***/ }, +/* 9 */ +/***/ function(module, exports, __webpack_require__) { - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + var util = __webpack_require__(1); + var DataSet = __webpack_require__(7); - // apply options - if (options) { - this.setOptions(options); - } + /** + * DataView + * + * a dataview offers a filtered view on a dataset or an other dataview. + * + * @param {DataSet | DataView} data + * @param {Object} [options] Available options: see method get + * + * @constructor DataView + */ + function DataView (data, options) { + this._data = null; + this._ids = {}; // ids of the items currently in memory (just contains a boolean true) + this._options = options || {}; + this._fieldId = 'id'; // name of the field containing id + this._subscribers = {}; // event subscribers - // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! - if (groups) { - this.setGroups(groups); - } + var me = this; + this.listener = function () { + me._onEvent.apply(me, arguments); + }; - // create itemset - if (items) { - this.setItems(items); - } - else { - this.redraw(); - } + this.setData(data); } - // Extend the functionality from Core - Graph2d.prototype = new Core(); + // TODO: implement a function .config() to dynamically update things like configured filter + // and trigger changes accordingly /** - * Set items - * @param {vis.DataSet | Array | google.visualization.DataTable | null} items + * Set a data source for the view + * @param {DataSet | DataView} data */ - Graph2d.prototype.setItems = function(items) { - var initialLoad = (this.itemsData == null); - - // convert to type DataSet when needed - var newDataSet; - if (!items) { - newDataSet = null; - } - else if (items instanceof DataSet || items instanceof DataView) { - newDataSet = items; - } - else { - // turn an array into a dataset - newDataSet = new DataSet(items, { - type: { - start: 'Date', - end: 'Date' + DataView.prototype.setData = function (data) { + var ids, i, len; + + if (this._data) { + // unsubscribe from current dataset + if (this._data.unsubscribe) { + this._data.unsubscribe('*', this.listener); + } + + // trigger a remove of all items in memory + ids = []; + for (var id in this._ids) { + if (this._ids.hasOwnProperty(id)) { + ids.push(id); } - }); + } + this._ids = {}; + this._trigger('remove', {items: ids}); } - // set items - this.itemsData = newDataSet; - this.linegraph && this.linegraph.setItems(newDataSet); + this._data = data; - if (initialLoad) { - if (this.options.start != undefined || this.options.end != undefined) { - var start = this.options.start != undefined ? this.options.start : null; - var end = this.options.end != undefined ? this.options.end : null; + if (this._data) { + // update fieldId + this._fieldId = this._options.fieldId || + (this._data && this._data.options && this._data.options.fieldId) || + 'id'; - this.setWindow(start, end, {animate: false}); + // trigger an add of all added items + ids = this._data.getIds({filter: this._options && this._options.filter}); + for (i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + this._ids[id] = true; } - else { - this.fit({animate: false}); + this._trigger('add', {items: ids}); + + // subscribe to new dataset + if (this._data.on) { + this._data.on('*', this.listener); } } }; /** - * Set groups - * @param {vis.DataSet | Array | google.visualization.DataTable} groups + * Get data from the data view + * + * Usage: + * + * get() + * get(options: Object) + * get(options: Object, data: Array | DataTable) + * + * get(id: Number) + * get(id: Number, options: Object) + * get(id: Number, options: Object, data: Array | DataTable) + * + * get(ids: Number[]) + * get(ids: Number[], options: Object) + * get(ids: Number[], options: Object, data: Array | DataTable) + * + * Where: + * + * {Number | String} id The id of an item + * {Number[] | String{}} ids An array with ids of items + * {Object} options An Object with options. Available options: + * {String} [type] Type of data to be returned. Can + * be 'DataTable' or 'Array' (default) + * {Object.} [convert] + * {String[]} [fields] field names to be returned + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * {Array | DataTable} [data] If provided, items will be appended to this + * array or table. Required in case of Google + * DataTable. + * @param args */ - Graph2d.prototype.setGroups = function(groups) { - // convert to type DataSet when needed - var newDataSet; - if (!groups) { - newDataSet = null; - } - else if (groups instanceof DataSet || groups instanceof DataView) { - newDataSet = groups; + DataView.prototype.get = function (args) { + var me = this; + + // parse the arguments + var ids, options, data; + var firstType = util.getType(arguments[0]); + if (firstType == 'String' || firstType == 'Number' || firstType == 'Array') { + // get(id(s) [, options] [, data]) + ids = arguments[0]; // can be a single id or an array with ids + options = arguments[1]; + data = arguments[2]; } else { - // turn an array into a dataset - newDataSet = new DataSet(groups); + // get([, options] [, data]) + options = arguments[0]; + data = arguments[1]; } - this.groupsData = newDataSet; - this.linegraph.setGroups(newDataSet); - }; + // extend the options with the default options and provided options + var viewOptions = util.extend({}, this._options, options); - /** - * Returns an object containing an SVG element with the icon of the group (size determined by iconWidth and iconHeight), the label of the group (content) and the yAxisOrientation of the group (left or right). - * @param groupId - * @param width - * @param height - */ - Graph2d.prototype.getLegend = function(groupId, width, height) { - if (width === undefined) {width = 15;} - if (height === undefined) {height = 15;} - if (this.linegraph.groups[groupId] !== undefined) { - return this.linegraph.groups[groupId].getLegend(width,height); - } - else { - return "cannot find group:" + groupId; + // create a combined filter method when needed + if (this._options.filter && options && options.filter) { + viewOptions.filter = function (item) { + return me._options.filter(item) && options.filter(item); + } } - } - /** - * This checks if the visible option of the supplied group (by ID) is true or false. - * @param groupId - * @returns {*} - */ - Graph2d.prototype.isGroupVisible = function(groupId) { - if (this.linegraph.groups[groupId] !== undefined) { - return (this.linegraph.groups[groupId].visible && (this.linegraph.options.groups.visibility[groupId] === undefined || this.linegraph.options.groups.visibility[groupId] == true)); - } - else { - return false; + // build up the call to the linked data set + var getArguments = []; + if (ids != undefined) { + getArguments.push(ids); } - } + getArguments.push(viewOptions); + getArguments.push(data); + return this._data && this._data.get.apply(this._data, getArguments); + }; /** - * Get the data range of the item set. - * @returns {{min: Date, max: Date}} range A range with a start and end Date. - * When no minimum is found, min==null - * When no maximum is found, max==null + * Get ids of all items or from a filtered set of items. + * @param {Object} [options] An Object with options. Available options: + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * @return {Array} ids */ - Graph2d.prototype.getItemRange = function() { - var min = null; - var max = null; + DataView.prototype.getIds = function (options) { + var ids; - // calculate min from start filed - for (var groupId in this.linegraph.groups) { - if (this.linegraph.groups.hasOwnProperty(groupId)) { - if (this.linegraph.groups[groupId].visible == true) { - for (var i = 0; i < this.linegraph.groups[groupId].itemsData.length; i++) { - var item = this.linegraph.groups[groupId].itemsData[i]; - var value = util.convert(item.x, 'Date').valueOf(); - min = min == null ? value : min > value ? value : min; - max = max == null ? value : max < value ? value : max; + if (this._data) { + var defaultFilter = this._options.filter; + var filter; + + if (options && options.filter) { + if (defaultFilter) { + filter = function (item) { + return defaultFilter(item) && options.filter(item); } } + else { + filter = options.filter; + } + } + else { + filter = defaultFilter; } + + ids = this._data.getIds({ + filter: filter, + order: options && options.order + }); + } + else { + ids = []; } - return { - min: (min != null) ? new Date(min) : null, - max: (max != null) ? new Date(max) : null - }; + return ids; }; + /** + * Get the DataSet to which this DataView is connected. In case there is a chain + * of multiple DataViews, the root DataSet of this chain is returned. + * @return {DataSet} dataSet + */ + DataView.prototype.getDataSet = function () { + var dataSet = this; + while (dataSet instanceof DataView) { + dataSet = dataSet._data; + } + return dataSet || null; + }; + /** + * Event listener. Will propagate all events from the connected data set to + * the subscribers of the DataView, but will filter the items and only trigger + * when there are changes in the filtered data set. + * @param {String} event + * @param {Object | null} params + * @param {String} senderId + * @private + */ + DataView.prototype._onEvent = function (event, params, senderId) { + var i, len, id, item, + ids = params && params.items, + data = this._data, + added = [], + updated = [], + removed = []; - module.exports = Graph2d; + if (ids && data) { + switch (event) { + case 'add': + // filter the ids of the added items + for (i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + item = this.get(id); + if (item) { + this._ids[id] = true; + added.push(id); + } + } + break; -/***/ }, -/* 15 */ -/***/ function(module, exports, __webpack_require__) { + case 'update': + // determine the event from the views viewpoint: an updated + // item can be added, updated, or removed from this view. + for (i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + item = this.get(id); - /** - * Created by Alex on 10/3/2014. - */ - var moment = __webpack_require__(44); + if (item) { + if (this._ids[id]) { + updated.push(id); + } + else { + this._ids[id] = true; + added.push(id); + } + } + else { + if (this._ids[id]) { + delete this._ids[id]; + removed.push(id); + } + else { + // nothing interesting for me :-( + } + } + } + break; - /** - * used in Core to convert the options into a volatile variable - * - * @param Core - */ - exports.convertHiddenOptions = function(body, hiddenDates) { - body.hiddenDates = []; - if (hiddenDates) { - if (Array.isArray(hiddenDates) == true) { - for (var i = 0; i < hiddenDates.length; i++) { - if (hiddenDates[i].repeat === undefined) { - var dateItem = {}; - dateItem.start = moment(hiddenDates[i].start).toDate().valueOf(); - dateItem.end = moment(hiddenDates[i].end).toDate().valueOf(); - body.hiddenDates.push(dateItem); + case 'remove': + // filter the ids of the removed items + for (i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + if (this._ids[id]) { + delete this._ids[id]; + removed.push(id); + } } - } - body.hiddenDates.sort(function (a, b) { - return a.start - b.start; - }); // sort by start time + + break; + } + + if (added.length) { + this._trigger('add', {items: added}, senderId); + } + if (updated.length) { + this._trigger('update', {items: updated}, senderId); + } + if (removed.length) { + this._trigger('remove', {items: removed}, senderId); } } }; + // copy subscription functionality from DataSet + DataView.prototype.on = DataSet.prototype.on; + DataView.prototype.off = DataSet.prototype.off; + DataView.prototype._trigger = DataSet.prototype._trigger; - /** - * create new entrees for the repeating hidden dates - * @param body - * @param hiddenDates - */ - exports.updateHiddenDates = function (body, hiddenDates) { - if (hiddenDates && body.domProps.centerContainer.width !== undefined) { - exports.convertHiddenOptions(body, hiddenDates); - - var start = moment(body.range.start); - var end = moment(body.range.end); - - var totalRange = (body.range.end - body.range.start); - var pixelTime = totalRange / body.domProps.centerContainer.width; + // TODO: make these functions deprecated (replaced with `on` and `off` since version 0.5) + DataView.prototype.subscribe = DataView.prototype.on; + DataView.prototype.unsubscribe = DataView.prototype.off; - for (var i = 0; i < hiddenDates.length; i++) { - if (hiddenDates[i].repeat !== undefined) { - var startDate = moment(hiddenDates[i].start); - var endDate = moment(hiddenDates[i].end); + module.exports = DataView; - if (startDate._d == "Invalid Date") { - throw new Error("Supplied start date is not valid: " + hiddenDates[i].start); - } - if (endDate._d == "Invalid Date") { - throw new Error("Supplied end date is not valid: " + hiddenDates[i].end); - } +/***/ }, +/* 10 */ +/***/ function(module, exports, __webpack_require__) { - var duration = endDate - startDate; - if (duration >= 4 * pixelTime) { + var Emitter = __webpack_require__(11); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var util = __webpack_require__(1); + var Point3d = __webpack_require__(12); + var Point2d = __webpack_require__(13); + var Camera = __webpack_require__(14); + var Filter = __webpack_require__(15); + var Slider = __webpack_require__(16); + var StepNumber = __webpack_require__(17); - var offset = 0; - var runUntil = end.clone(); - switch (hiddenDates[i].repeat) { - case "daily": // case of time - if (startDate.day() != endDate.day()) { - offset = 1; - } - startDate.dayOfYear(start.dayOfYear()); - startDate.year(start.year()); - startDate.subtract(7,'days'); + /** + * @constructor Graph3d + * Graph3d displays data in 3d. + * + * Graph3d is developed in javascript as a Google Visualization Chart. + * + * @param {Element} container The DOM element in which the Graph3d will + * be created. Normally a div element. + * @param {DataSet | DataView | Array} [data] + * @param {Object} [options] + */ + function Graph3d(container, data, options) { + if (!(this instanceof Graph3d)) { + throw new SyntaxError('Constructor must be called with the new operator'); + } - endDate.dayOfYear(start.dayOfYear()); - endDate.year(start.year()); - endDate.subtract(7 - offset,'days'); + // create variables and set default values + this.containerElement = container; + this.width = '400px'; + this.height = '400px'; + this.margin = 10; // px + this.defaultXCenter = '55%'; + this.defaultYCenter = '50%'; - runUntil.add(1, 'weeks'); - break; - case "weekly": - var dayOffset = endDate.diff(startDate,'days') - var day = startDate.day(); + this.xLabel = 'x'; + this.yLabel = 'y'; + this.zLabel = 'z'; - // set the start date to the range.start - startDate.date(start.date()); - startDate.month(start.month()); - startDate.year(start.year()); - endDate = startDate.clone(); + var passValueFn = function(v) { return v; }; + this.xValueLabel = passValueFn; + this.yValueLabel = passValueFn; + this.zValueLabel = passValueFn; + + this.filterLabel = 'time'; + this.legendLabel = 'value'; - // force - startDate.day(day); - endDate.day(day); - endDate.add(dayOffset,'days'); + this.style = Graph3d.STYLE.DOT; + this.showPerspective = true; + this.showGrid = true; + this.keepAspectRatio = true; + this.showShadow = false; + this.showGrayBottom = false; // TODO: this does not work correctly + this.showTooltip = false; + this.verticalRatio = 0.5; // 0.1 to 1.0, where 1.0 results in a 'cube' - startDate.subtract(1,'weeks'); - endDate.subtract(1,'weeks'); + this.animationInterval = 1000; // milliseconds + this.animationPreload = false; - runUntil.add(1, 'weeks'); - break - case "monthly": - if (startDate.month() != endDate.month()) { - offset = 1; - } - startDate.month(start.month()); - startDate.year(start.year()); - startDate.subtract(1,'months'); + this.camera = new Camera(); + this.eye = new Point3d(0, 0, -1); // TODO: set eye.z about 3/4 of the width of the window? - endDate.month(start.month()); - endDate.year(start.year()); - endDate.subtract(1,'months'); - endDate.add(offset,'months'); + this.dataTable = null; // The original data table + this.dataPoints = null; // The table with point objects - runUntil.add(1, 'months'); - break; - case "yearly": - if (startDate.year() != endDate.year()) { - offset = 1; - } - startDate.year(start.year()); - startDate.subtract(1,'years'); - endDate.year(start.year()); - endDate.subtract(1,'years'); - endDate.add(offset,'years'); + // the column indexes + this.colX = undefined; + this.colY = undefined; + this.colZ = undefined; + this.colValue = undefined; + this.colFilter = undefined; - runUntil.add(1, 'years'); - break; - default: - console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat); - return; - } - while (startDate < runUntil) { - body.hiddenDates.push({start: startDate.valueOf(), end: endDate.valueOf()}); - switch (hiddenDates[i].repeat) { - case "daily": - startDate.add(1, 'days'); - endDate.add(1, 'days'); - break; - case "weekly": - startDate.add(1, 'weeks'); - endDate.add(1, 'weeks'); - break - case "monthly": - startDate.add(1, 'months'); - endDate.add(1, 'months'); - break; - case "yearly": - startDate.add(1, 'y'); - endDate.add(1, 'y'); - break; - default: - console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat); - return; - } - } - body.hiddenDates.push({start: startDate.valueOf(), end: endDate.valueOf()}); - } - } - } - // remove duplicates, merge where possible - exports.removeDuplicates(body); - // ensure the new positions are not on hidden dates - var startHidden = exports.isHidden(body.range.start, body.hiddenDates); - var endHidden = exports.isHidden(body.range.end,body.hiddenDates); - var rangeStart = body.range.start; - var rangeEnd = body.range.end; - if (startHidden.hidden == true) {rangeStart = body.range.startToFront == true ? startHidden.startDate - 1 : startHidden.endDate + 1;} - if (endHidden.hidden == true) {rangeEnd = body.range.endToFront == true ? endHidden.startDate - 1 : endHidden.endDate + 1;} - if (startHidden.hidden == true || endHidden.hidden == true) { - body.range._applyRange(rangeStart, rangeEnd); - } - } + this.xMin = 0; + this.xStep = undefined; // auto by default + this.xMax = 1; + this.yMin = 0; + this.yStep = undefined; // auto by default + this.yMax = 1; + this.zMin = 0; + this.zStep = undefined; // auto by default + this.zMax = 1; + this.valueMin = 0; + this.valueMax = 1; + this.xBarWidth = 1; + this.yBarWidth = 1; + // TODO: customize axis range - } + // constants + this.colorAxis = '#4D4D4D'; + this.colorGrid = '#D3D3D3'; + this.colorDot = '#7DC1FF'; + this.colorDotBorder = '#3267D2'; + // create a frame and canvas + this.create(); - /** - * remove duplicates from the hidden dates list. Duplicates are evil. They mess everything up. - * Scales with N^2 - * @param body - */ - exports.removeDuplicates = function(body) { - var hiddenDates = body.hiddenDates; - var safeDates = []; - for (var i = 0; i < hiddenDates.length; i++) { - for (var j = 0; j < hiddenDates.length; j++) { - if (i != j && hiddenDates[j].remove != true && hiddenDates[i].remove != true) { - // j inside i - if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { - hiddenDates[j].remove = true; - } - // j start inside i - else if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].start <= hiddenDates[i].end) { - hiddenDates[i].end = hiddenDates[j].end; - hiddenDates[j].remove = true; - } - // j end inside i - else if (hiddenDates[j].end >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { - hiddenDates[i].start = hiddenDates[j].start; - hiddenDates[j].remove = true; - } - } - } - } + // apply options (also when undefined) + this.setOptions(options); - for (var i = 0; i < hiddenDates.length; i++) { - if (hiddenDates[i].remove !== true) { - safeDates.push(hiddenDates[i]); - } + // apply data + if (data) { + this.setData(data); } - - body.hiddenDates = safeDates; - body.hiddenDates.sort(function (a, b) { - return a.start - b.start; - }); // sort by start time } - exports.printDates = function(dates) { - for (var i =0; i < dates.length; i++) { - console.log(i, new Date(dates[i].start),new Date(dates[i].end), dates[i].start, dates[i].end, dates[i].remove); - } - } + // Extend Graph3d with an Emitter mixin + Emitter(Graph3d.prototype); /** - * Used in TimeStep to avoid the hidden times. - * @param timeStep - * @param previousTime + * Calculate the scaling values, dependent on the range in x, y, and z direction */ - exports.stepOverHiddenDates = function(timeStep, previousTime) { - var stepInHidden = false; - var currentValue = timeStep.current.valueOf(); - for (var i = 0; i < timeStep.hiddenDates.length; i++) { - var startDate = timeStep.hiddenDates[i].start; - var endDate = timeStep.hiddenDates[i].end; - if (currentValue >= startDate && currentValue < endDate) { - stepInHidden = true; - break; + Graph3d.prototype._setScale = function() { + this.scale = new Point3d(1 / (this.xMax - this.xMin), + 1 / (this.yMax - this.yMin), + 1 / (this.zMax - this.zMin)); + + // keep aspect ration between x and y scale if desired + if (this.keepAspectRatio) { + if (this.scale.x < this.scale.y) { + //noinspection JSSuspiciousNameCombination + this.scale.y = this.scale.x; + } + else { + //noinspection JSSuspiciousNameCombination + this.scale.x = this.scale.y; } } - if (stepInHidden == true && currentValue < timeStep._end.valueOf() && currentValue != previousTime) { - var prevValue = moment(previousTime); - var newValue = moment(endDate); - //check if the next step should be major - if (prevValue.year() != newValue.year()) {timeStep.switchedYear = true;} - else if (prevValue.month() != newValue.month()) {timeStep.switchedMonth = true;} - else if (prevValue.dayOfYear() != newValue.dayOfYear()) {timeStep.switchedDay = true;} + // scale the vertical axis + this.scale.z *= this.verticalRatio; + // TODO: can this be automated? verticalRatio? - timeStep.current = newValue.toDate(); - } + // determine scale for (optional) value + this.scale.value = 1 / (this.valueMax - this.valueMin); + + // position the camera arm + var xCenter = (this.xMax + this.xMin) / 2 * this.scale.x; + var yCenter = (this.yMax + this.yMin) / 2 * this.scale.y; + var zCenter = (this.zMax + this.zMin) / 2 * this.scale.z; + this.camera.setArmLocation(xCenter, yCenter, zCenter); }; - ///** - // * Used in TimeStep to avoid the hidden times. - // * @param timeStep - // * @param previousTime - // */ - //exports.checkFirstStep = function(timeStep) { - // var stepInHidden = false; - // var currentValue = timeStep.current.valueOf(); - // for (var i = 0; i < timeStep.hiddenDates.length; i++) { - // var startDate = timeStep.hiddenDates[i].start; - // var endDate = timeStep.hiddenDates[i].end; - // if (currentValue >= startDate && currentValue < endDate) { - // stepInHidden = true; - // break; - // } - // } - // - // if (stepInHidden == true && currentValue <= timeStep._end.valueOf()) { - // var newValue = moment(endDate); - // timeStep.current = newValue.toDate(); - // } - //}; + /** + * Convert a 3D location to a 2D location on screen + * http://en.wikipedia.org/wiki/3D_projection + * @param {Point3d} point3d A 3D point with parameters x, y, z + * @return {Point2d} point2d A 2D point with parameters x, y + */ + Graph3d.prototype._convert3Dto2D = function(point3d) { + var translation = this._convertPointToTranslation(point3d); + return this._convertTranslationToScreen(translation); + }; /** - * replaces the Core toScreen methods - * @param Core - * @param time - * @param width - * @returns {number} + * Convert a 3D location its translation seen from the camera + * http://en.wikipedia.org/wiki/3D_projection + * @param {Point3d} point3d A 3D point with parameters x, y, z + * @return {Point3d} translation A 3D point with parameters x, y, z This is + * the translation of the point, seen from the + * camera */ - exports.toScreen = function(Core, time, width) { - if (Core.body.hiddenDates.length == 0) { - var conversion = Core.range.conversion(width); - return (time.valueOf() - conversion.offset) * conversion.scale; - } - else { - var hidden = exports.isHidden(time, Core.body.hiddenDates) - if (hidden.hidden == true) { - time = hidden.startDate; - } + Graph3d.prototype._convertPointToTranslation = function(point3d) { + var ax = point3d.x * this.scale.x, + ay = point3d.y * this.scale.y, + az = point3d.z * this.scale.z, - var duration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); - time = exports.correctTimeForHidden(Core.body.hiddenDates, Core.range, time); + cx = this.camera.getCameraLocation().x, + cy = this.camera.getCameraLocation().y, + cz = this.camera.getCameraLocation().z, - var conversion = Core.range.conversion(width, duration); - return (time.valueOf() - conversion.offset) * conversion.scale; - } - }; + // calculate angles + sinTx = Math.sin(this.camera.getCameraRotation().x), + cosTx = Math.cos(this.camera.getCameraRotation().x), + sinTy = Math.sin(this.camera.getCameraRotation().y), + cosTy = Math.cos(this.camera.getCameraRotation().y), + sinTz = Math.sin(this.camera.getCameraRotation().z), + cosTz = Math.cos(this.camera.getCameraRotation().z), + + // calculate translation + dx = cosTy * (sinTz * (ay - cy) + cosTz * (ax - cx)) - sinTy * (az - cz), + dy = sinTx * (cosTy * (az - cz) + sinTy * (sinTz * (ay - cy) + cosTz * (ax - cx))) + cosTx * (cosTz * (ay - cy) - sinTz * (ax-cx)), + dz = cosTx * (cosTy * (az - cz) + sinTy * (sinTz * (ay - cy) + cosTz * (ax - cx))) - sinTx * (cosTz * (ay - cy) - sinTz * (ax-cx)); + return new Point3d(dx, dy, dz); + }; /** - * Replaces the core toTime methods - * @param body - * @param range - * @param x - * @param width - * @returns {Date} + * Convert a translation point to a point on the screen + * @param {Point3d} translation A 3D point with parameters x, y, z This is + * the translation of the point, seen from the + * camera + * @return {Point2d} point2d A 2D point with parameters x, y */ - exports.toTime = function(Core, x, width) { - if (Core.body.hiddenDates.length == 0) { - var conversion = Core.range.conversion(width); - return new Date(x / conversion.scale + conversion.offset); + Graph3d.prototype._convertTranslationToScreen = function(translation) { + var ex = this.eye.x, + ey = this.eye.y, + ez = this.eye.z, + dx = translation.x, + dy = translation.y, + dz = translation.z; + + // calculate position on screen from translation + var bx; + var by; + if (this.showPerspective) { + bx = (dx - ex) * (ez / dz); + by = (dy - ey) * (ez / dz); } else { - var hiddenDuration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); - var totalDuration = Core.range.end - Core.range.start - hiddenDuration; - var partialDuration = totalDuration * x / width; - var accumulatedHiddenDuration = exports.getAccumulatedHiddenDuration(Core.body.hiddenDates, Core.range, partialDuration); - - var newTime = new Date(accumulatedHiddenDuration + partialDuration + Core.range.start); - return newTime; + bx = dx * -(ez / this.camera.getArmLength()); + by = dy * -(ez / this.camera.getArmLength()); } - }; + // shift and scale the point to the center of the screen + // use the width of the graph to scale both horizontally and vertically. + return new Point2d( + this.xcenter + bx * this.frame.canvas.clientWidth, + this.ycenter - by * this.frame.canvas.clientWidth); + }; /** - * Support function - * - * @param hiddenDates - * @param range - * @returns {number} + * Set the background styling for the graph + * @param {string | {fill: string, stroke: string, strokeWidth: string}} backgroundColor */ - exports.getHiddenDurationBetween = function(hiddenDates, start, end) { - var duration = 0; - for (var i = 0; i < hiddenDates.length; i++) { - var startDate = hiddenDates[i].start; - var endDate = hiddenDates[i].end; - // if time after the cutout, and the - if (startDate >= start && endDate < end) { - duration += endDate - startDate; - } - } - return duration; - }; + Graph3d.prototype._setBackgroundColor = function(backgroundColor) { + var fill = 'white'; + var stroke = 'gray'; + var strokeWidth = 1; + if (typeof(backgroundColor) === 'string') { + fill = backgroundColor; + stroke = 'none'; + strokeWidth = 0; + } + else if (typeof(backgroundColor) === 'object') { + if (backgroundColor.fill !== undefined) fill = backgroundColor.fill; + if (backgroundColor.stroke !== undefined) stroke = backgroundColor.stroke; + if (backgroundColor.strokeWidth !== undefined) strokeWidth = backgroundColor.strokeWidth; + } + else if (backgroundColor === undefined) { + // use use defaults + } + else { + throw 'Unsupported type of backgroundColor'; + } - /** - * Support function - * @param hiddenDates - * @param range - * @param time - * @returns {{duration: number, time: *, offset: number}} - */ - exports.correctTimeForHidden = function(hiddenDates, range, time) { - time = moment(time).toDate().valueOf(); - time -= exports.getHiddenDurationBefore(hiddenDates,range,time); - return time; + this.frame.style.backgroundColor = fill; + this.frame.style.borderColor = stroke; + this.frame.style.borderWidth = strokeWidth + 'px'; + this.frame.style.borderStyle = 'solid'; }; - exports.getHiddenDurationBefore = function(hiddenDates, range, time) { - var timeOffset = 0; - time = moment(time).toDate().valueOf(); - for (var i = 0; i < hiddenDates.length; i++) { - var startDate = hiddenDates[i].start; - var endDate = hiddenDates[i].end; - // if time after the cutout, and the - if (startDate >= range.start && endDate < range.end) { - if (time >= endDate) { - timeOffset += (endDate - startDate); - } - } - } - return timeOffset; - } + /// enumerate the available styles + Graph3d.STYLE = { + BAR: 0, + BARCOLOR: 1, + BARSIZE: 2, + DOT : 3, + DOTLINE : 4, + DOTCOLOR: 5, + DOTSIZE: 6, + GRID : 7, + LINE: 8, + SURFACE : 9 + }; /** - * sum the duration from start to finish, including the hidden duration, - * until the required amount has been reached, return the accumulated hidden duration - * @param hiddenDates - * @param range - * @param time - * @returns {{duration: number, time: *, offset: number}} + * Retrieve the style index from given styleName + * @param {string} styleName Style name such as 'dot', 'grid', 'dot-line' + * @return {Number} styleNumber Enumeration value representing the style, or -1 + * when not found */ - exports.getAccumulatedHiddenDuration = function(hiddenDates, range, requiredDuration) { - var hiddenDuration = 0; - var duration = 0; - var previousPoint = range.start; - //exports.printDates(hiddenDates) - for (var i = 0; i < hiddenDates.length; i++) { - var startDate = hiddenDates[i].start; - var endDate = hiddenDates[i].end; - // if time after the cutout, and the - if (startDate >= range.start && endDate < range.end) { - duration += startDate - previousPoint; - previousPoint = endDate; - if (duration >= requiredDuration) { - break; - } - else { - hiddenDuration += endDate - startDate; - } - } + Graph3d.prototype._getStyleNumber = function(styleName) { + switch (styleName) { + case 'dot': return Graph3d.STYLE.DOT; + case 'dot-line': return Graph3d.STYLE.DOTLINE; + case 'dot-color': return Graph3d.STYLE.DOTCOLOR; + case 'dot-size': return Graph3d.STYLE.DOTSIZE; + case 'line': return Graph3d.STYLE.LINE; + case 'grid': return Graph3d.STYLE.GRID; + case 'surface': return Graph3d.STYLE.SURFACE; + case 'bar': return Graph3d.STYLE.BAR; + case 'bar-color': return Graph3d.STYLE.BARCOLOR; + case 'bar-size': return Graph3d.STYLE.BARSIZE; } - return hiddenDuration; + return -1; }; - - /** - * used to step over to either side of a hidden block. Correction is disabled on tablets, might be set to true - * @param hiddenDates - * @param time - * @param direction - * @param correctionEnabled - * @returns {*} + * Determine the indexes of the data columns, based on the given style and data + * @param {DataSet} data + * @param {Number} style */ - exports.snapAwayFromHidden = function(hiddenDates, time, direction, correctionEnabled) { - var isHidden = exports.isHidden(time, hiddenDates); - if (isHidden.hidden == true) { - if (direction < 0) { - if (correctionEnabled == true) { - return isHidden.startDate - (isHidden.endDate - time) - 1; - } - else { - return isHidden.startDate - 1; - } + Graph3d.prototype._determineColumnIndexes = function(data, style) { + if (this.style === Graph3d.STYLE.DOT || + this.style === Graph3d.STYLE.DOTLINE || + this.style === Graph3d.STYLE.LINE || + this.style === Graph3d.STYLE.GRID || + this.style === Graph3d.STYLE.SURFACE || + this.style === Graph3d.STYLE.BAR) { + // 3 columns expected, and optionally a 4th with filter values + this.colX = 0; + this.colY = 1; + this.colZ = 2; + this.colValue = undefined; + + if (data.getNumberOfColumns() > 3) { + this.colFilter = 3; } - else { - if (correctionEnabled == true) { - return isHidden.endDate + (time - isHidden.startDate) + 1; - } - else { - return isHidden.endDate + 1; - } + } + else if (this.style === Graph3d.STYLE.DOTCOLOR || + this.style === Graph3d.STYLE.DOTSIZE || + this.style === Graph3d.STYLE.BARCOLOR || + this.style === Graph3d.STYLE.BARSIZE) { + // 4 columns expected, and optionally a 5th with filter values + this.colX = 0; + this.colY = 1; + this.colZ = 2; + this.colValue = 3; + + if (data.getNumberOfColumns() > 4) { + this.colFilter = 4; } } else { - return time; + throw 'Unknown style "' + this.style + '"'; } + }; + Graph3d.prototype.getNumberOfRows = function(data) { + return data.length; } - /** - * Check if a time is hidden - * - * @param time - * @param hiddenDates - * @returns {{hidden: boolean, startDate: Window.start, endDate: *}} - */ - exports.isHidden = function(time, hiddenDates) { - for (var i = 0; i < hiddenDates.length; i++) { - var startDate = hiddenDates[i].start; - var endDate = hiddenDates[i].end; - - if (time >= startDate && time < endDate) { // if the start is entering a hidden zone - return {hidden: true, startDate: startDate, endDate: endDate}; - break; + Graph3d.prototype.getNumberOfColumns = function(data) { + var counter = 0; + for (var column in data[0]) { + if (data[0].hasOwnProperty(column)) { + counter++; } } - return {hidden: false, startDate: startDate, endDate: endDate}; - } - -/***/ }, -/* 16 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * @constructor DataStep - * The class DataStep is an iterator for data for the lineGraph. You provide a start data point and an - * end data point. The class itself determines the best scale (step size) based on the - * provided start Date, end Date, and minimumStep. - * - * If minimumStep is provided, the step size is chosen as close as possible - * to the minimumStep but larger than minimumStep. If minimumStep is not - * provided, the scale is set to 1 DAY. - * The minimumStep should correspond with the onscreen size of about 6 characters - * - * Alternatively, you can set a scale by hand. - * After creation, you can initialize the class by executing first(). Then you - * can iterate from the start date to the end date via next(). You can check if - * the end date is reached with the function hasNext(). After each step, you can - * retrieve the current date via getCurrent(). - * The DataStep has scales ranging from milliseconds, seconds, minutes, hours, - * days, to years. - * - * Version: 1.2 - * - * @param {Date} [start] The start date, for example new Date(2010, 9, 21) - * or new Date(2010, 9, 21, 23, 45, 00) - * @param {Date} [end] The end date - * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds - */ - function DataStep(start, end, minimumStep, containerHeight, customRange, alignZeros) { - // variables - this.current = 0; - - this.autoScale = true; - this.stepIndex = 0; - this.step = 1; - this.scale = 1; - - this.marginStart; - this.marginEnd; - this.deadSpace = 0; - - this.majorSteps = [1, 2, 5, 10]; - this.minorSteps = [0.25, 0.5, 1, 2]; - - this.alignZeros = alignZeros; - - this.setRange(start, end, minimumStep, containerHeight, customRange); + return counter; } - - - /** - * Set a new range - * If minimumStep is provided, the step size is chosen as close as possible - * to the minimumStep but larger than minimumStep. If minimumStep is not - * provided, the scale is set to 1 DAY. - * The minimumStep should correspond with the onscreen size of about 6 characters - * @param {Number} [start] The start date and time. - * @param {Number} [end] The end date and time. - * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds - */ - DataStep.prototype.setRange = function(start, end, minimumStep, containerHeight, customRange) { - this._start = customRange.min === undefined ? start : customRange.min; - this._end = customRange.max === undefined ? end : customRange.max; - - if (this._start == this._end) { - this._start -= 0.75; - this._end += 1; - } - - if (this.autoScale == true) { - this.setMinimumStep(minimumStep, containerHeight); + + Graph3d.prototype.getDistinctValues = function(data, column) { + var distinctValues = []; + for (var i = 0; i < data.length; i++) { + if (distinctValues.indexOf(data[i][column]) == -1) { + distinctValues.push(data[i][column]); + } } + return distinctValues; + } - this.setFirst(customRange); + + Graph3d.prototype.getColumnRange = function(data,column) { + var minMax = {min:data[0][column],max:data[0][column]}; + for (var i = 0; i < data.length; i++) { + if (minMax.min > data[i][column]) { minMax.min = data[i][column]; } + if (minMax.max < data[i][column]) { minMax.max = data[i][column]; } + } + return minMax; }; /** - * Automatically determine the scale that bests fits the provided minimum step - * @param {Number} [minimumStep] The minimum step size in milliseconds + * Initialize the data from the data table. Calculate minimum and maximum values + * and column index values + * @param {Array | DataSet | DataView} rawData The data containing the items for the Graph. + * @param {Number} style Style Number */ - DataStep.prototype.setMinimumStep = function(minimumStep, containerHeight) { - // round to floor - var size = this._end - this._start; - var safeSize = size * 1.2; - var minimumStepValue = minimumStep * (safeSize / containerHeight); - var orderOfMagnitude = Math.round(Math.log(safeSize)/Math.LN10); + Graph3d.prototype._dataInitialize = function (rawData, style) { + var me = this; - var minorStepIdx = -1; - var magnitudefactor = Math.pow(10,orderOfMagnitude); + // unsubscribe from the dataTable + if (this.dataSet) { + this.dataSet.off('*', this._onChange); + } - var start = 0; - if (orderOfMagnitude < 0) { - start = orderOfMagnitude; + if (rawData === undefined) + return; + + if (Array.isArray(rawData)) { + rawData = new DataSet(rawData); } - var solutionFound = false; - for (var i = start; Math.abs(i) <= Math.abs(orderOfMagnitude); i++) { - magnitudefactor = Math.pow(10,i); - for (var j = 0; j < this.minorSteps.length; j++) { - var stepSize = magnitudefactor * this.minorSteps[j]; - if (stepSize >= minimumStepValue) { - solutionFound = true; - minorStepIdx = j; - break; - } - } - if (solutionFound == true) { - break; - } + var data; + if (rawData instanceof DataSet || rawData instanceof DataView) { + data = rawData.get(); + } + else { + throw new Error('Array, DataSet, or DataView expected'); } - this.stepIndex = minorStepIdx; - this.scale = magnitudefactor; - this.step = magnitudefactor * this.minorSteps[minorStepIdx]; - }; + if (data.length == 0) + return; + this.dataSet = rawData; + this.dataTable = data; - /** - * Round the current date to the first minor date value - * This must be executed once when the current date is set to start Date - */ - DataStep.prototype.setFirst = function(customRange) { - if (customRange === undefined) { - customRange = {}; - } + // subscribe to changes in the dataset + this._onChange = function () { + me.setData(me.dataSet); + }; + this.dataSet.on('*', this._onChange); - var niceStart = customRange.min === undefined ? this._start - (this.scale * 2 * this.minorSteps[this.stepIndex]) : customRange.min; - var niceEnd = customRange.max === undefined ? this._end + (this.scale * this.minorSteps[this.stepIndex]) : customRange.max; + // _determineColumnIndexes + // getNumberOfRows (points) + // getNumberOfColumns (x,y,z,v,t,t1,t2...) + // getDistinctValues (unique values?) + // getColumnRange - this.marginEnd = customRange.max === undefined ? this.roundToMinor(niceEnd) : customRange.max; - this.marginStart = customRange.min === undefined ? this.roundToMinor(niceStart) : customRange.min; + // determine the location of x,y,z,value,filter columns + this.colX = 'x'; + this.colY = 'y'; + this.colZ = 'z'; + this.colValue = 'style'; + this.colFilter = 'filter'; - // if we need to align the zero's we need to make sure that there is a zero to use. - if (this.alignZeros == true && (this.marginEnd - this.marginStart) % this.step != 0) { - this.marginEnd += this.marginEnd % this.step; + + + // check if a filter column is provided + if (data[0].hasOwnProperty('filter')) { + if (this.dataFilter === undefined) { + this.dataFilter = new Filter(rawData, this.colFilter, this); + this.dataFilter.setOnLoadCallback(function() {me.redraw();}); + } } - this.deadSpace = this.roundToMinor(niceEnd) - niceEnd + this.roundToMinor(niceStart) - niceStart; - this.marginRange = this.marginEnd - this.marginStart; + var withBars = this.style == Graph3d.STYLE.BAR || + this.style == Graph3d.STYLE.BARCOLOR || + this.style == Graph3d.STYLE.BARSIZE; - this.current = this.marginEnd; - }; + // determine barWidth from data + if (withBars) { + if (this.defaultXBarWidth !== undefined) { + this.xBarWidth = this.defaultXBarWidth; + } + else { + var dataX = this.getDistinctValues(data,this.colX); + this.xBarWidth = (dataX[1] - dataX[0]) || 1; + } - DataStep.prototype.roundToMinor = function(value) { - var rounded = value - (value % (this.scale * this.minorSteps[this.stepIndex])); - if (value % (this.scale * this.minorSteps[this.stepIndex]) > 0.5 * (this.scale * this.minorSteps[this.stepIndex])) { - return rounded + (this.scale * this.minorSteps[this.stepIndex]); - } - else { - return rounded; + if (this.defaultYBarWidth !== undefined) { + this.yBarWidth = this.defaultYBarWidth; + } + else { + var dataY = this.getDistinctValues(data,this.colY); + this.yBarWidth = (dataY[1] - dataY[0]) || 1; + } } - } + // calculate minimums and maximums + var xRange = this.getColumnRange(data,this.colX); + if (withBars) { + xRange.min -= this.xBarWidth / 2; + xRange.max += this.xBarWidth / 2; + } + this.xMin = (this.defaultXMin !== undefined) ? this.defaultXMin : xRange.min; + this.xMax = (this.defaultXMax !== undefined) ? this.defaultXMax : xRange.max; + if (this.xMax <= this.xMin) this.xMax = this.xMin + 1; + this.xStep = (this.defaultXStep !== undefined) ? this.defaultXStep : (this.xMax-this.xMin)/5; - /** - * Check if the there is a next step - * @return {boolean} true if the current date has not passed the end date - */ - DataStep.prototype.hasNext = function () { - return (this.current >= this.marginStart); - }; + var yRange = this.getColumnRange(data,this.colY); + if (withBars) { + yRange.min -= this.yBarWidth / 2; + yRange.max += this.yBarWidth / 2; + } + this.yMin = (this.defaultYMin !== undefined) ? this.defaultYMin : yRange.min; + this.yMax = (this.defaultYMax !== undefined) ? this.defaultYMax : yRange.max; + if (this.yMax <= this.yMin) this.yMax = this.yMin + 1; + this.yStep = (this.defaultYStep !== undefined) ? this.defaultYStep : (this.yMax-this.yMin)/5; - /** - * Do the next step - */ - DataStep.prototype.next = function() { - var prev = this.current; - this.current -= this.step; + var zRange = this.getColumnRange(data,this.colZ); + this.zMin = (this.defaultZMin !== undefined) ? this.defaultZMin : zRange.min; + this.zMax = (this.defaultZMax !== undefined) ? this.defaultZMax : zRange.max; + if (this.zMax <= this.zMin) this.zMax = this.zMin + 1; + this.zStep = (this.defaultZStep !== undefined) ? this.defaultZStep : (this.zMax-this.zMin)/5; - // safety mechanism: if current time is still unchanged, move to the end - if (this.current == prev) { - this.current = this._end; + if (this.colValue !== undefined) { + var valueRange = this.getColumnRange(data,this.colValue); + this.valueMin = (this.defaultValueMin !== undefined) ? this.defaultValueMin : valueRange.min; + this.valueMax = (this.defaultValueMax !== undefined) ? this.defaultValueMax : valueRange.max; + if (this.valueMax <= this.valueMin) this.valueMax = this.valueMin + 1; } - }; - /** - * Do the next step - */ - DataStep.prototype.previous = function() { - this.current += this.step; - this.marginEnd += this.step; - this.marginRange = this.marginEnd - this.marginStart; + // set the scale dependent on the ranges. + this._setScale(); }; /** - * Get the current datetime - * @return {String} current The current date + * Filter the data based on the current filter + * @param {Array} data + * @return {Array} dataPoints Array with point objects which can be drawn on screen */ - DataStep.prototype.getCurrent = function(decimals) { - // prevent round-off errors when close to zero - var current = (Math.abs(this.current) < this.step / 2) ? 0 : this.current; - var toPrecision = '' + Number(current).toPrecision(5); + Graph3d.prototype._getDataPoints = function (data) { + // TODO: store the created matrix dataPoints in the filters instead of reloading each time + var x, y, i, z, obj, point; - // If decimals is specified, then limit or extend the string as required - if(decimals !== undefined && !isNaN(Number(decimals))) { - // If string includes exponent, then we need to add it to the end - var exp = ""; - var index = toPrecision.indexOf("e"); - if(index != -1) { - // Get the exponent - exp = toPrecision.slice(index); - // Remove the exponent in case we need to zero-extend - toPrecision = toPrecision.slice(0, index); - } - index = Math.max(toPrecision.indexOf(","), toPrecision.indexOf(".")); - if(index === -1) { - // No decimal found - if we want decimals, then we need to add it - if(decimals !== 0) { - toPrecision += '.'; + var dataPoints = []; + + if (this.style === Graph3d.STYLE.GRID || + this.style === Graph3d.STYLE.SURFACE) { + // copy all values from the google data table to a matrix + // the provided values are supposed to form a grid of (x,y) positions + + // create two lists with all present x and y values + var dataX = []; + var dataY = []; + for (i = 0; i < this.getNumberOfRows(data); i++) { + x = data[i][this.colX] || 0; + y = data[i][this.colY] || 0; + + if (dataX.indexOf(x) === -1) { + dataX.push(x); } - // Calculate how long the string should be - index = toPrecision.length + decimals; - } - else if(decimals !== 0) { - // Calculate how long the string should be - accounting for the decimal place - index += decimals + 1; - } - if(index > toPrecision.length) { - // We need to add zeros! - for(var cnt = index - toPrecision.length; cnt > 0; cnt--) { - toPrecision += '0'; + if (dataY.indexOf(y) === -1) { + dataY.push(y); } } - else { - // we need to remove characters - toPrecision = toPrecision.slice(0, index); + + var sortNumber = function (a, b) { + return a - b; + }; + dataX.sort(sortNumber); + dataY.sort(sortNumber); + + // create a grid, a 2d matrix, with all values. + var dataMatrix = []; // temporary data matrix + for (i = 0; i < data.length; i++) { + x = data[i][this.colX] || 0; + y = data[i][this.colY] || 0; + z = data[i][this.colZ] || 0; + + var xIndex = dataX.indexOf(x); // TODO: implement Array().indexOf() for Internet Explorer + var yIndex = dataY.indexOf(y); + + if (dataMatrix[xIndex] === undefined) { + dataMatrix[xIndex] = []; + } + + var point3d = new Point3d(); + point3d.x = x; + point3d.y = y; + point3d.z = z; + + obj = {}; + obj.point = point3d; + obj.trans = undefined; + obj.screen = undefined; + obj.bottom = new Point3d(x, y, this.zMin); + + dataMatrix[xIndex][yIndex] = obj; + + dataPoints.push(obj); } - // Add the exponent if there is one - toPrecision += exp; - } - else { - if (toPrecision.indexOf(",") != -1 || toPrecision.indexOf(".") != -1) { - // If no decimal is specified, and there are decimal places, remove trailing zeros - for (var i = toPrecision.length - 1; i > 0; i--) { - if (toPrecision[i] == "0") { - toPrecision = toPrecision.slice(0, i); - } - else if (toPrecision[i] == "." || toPrecision[i] == ",") { - toPrecision = toPrecision.slice(0, i); - break; - } - else { - break; + + // fill in the pointers to the neighbors. + for (x = 0; x < dataMatrix.length; x++) { + for (y = 0; y < dataMatrix[x].length; y++) { + if (dataMatrix[x][y]) { + dataMatrix[x][y].pointRight = (x < dataMatrix.length-1) ? dataMatrix[x+1][y] : undefined; + dataMatrix[x][y].pointTop = (y < dataMatrix[x].length-1) ? dataMatrix[x][y+1] : undefined; + dataMatrix[x][y].pointCross = + (x < dataMatrix.length-1 && y < dataMatrix[x].length-1) ? + dataMatrix[x+1][y+1] : + undefined; } } } } + else { // 'dot', 'dot-line', etc. + // copy all values from the google data table to a list with Point3d objects + for (i = 0; i < data.length; i++) { + point = new Point3d(); + point.x = data[i][this.colX] || 0; + point.y = data[i][this.colY] || 0; + point.z = data[i][this.colZ] || 0; - return toPrecision; - }; - + if (this.colValue !== undefined) { + point.value = data[i][this.colValue] || 0; + } + obj = {}; + obj.point = point; + obj.bottom = new Point3d(point.x, point.y, this.zMin); + obj.trans = undefined; + obj.screen = undefined; - /** - * Snap a date to a rounded value. - * The snap intervals are dependent on the current scale and step. - * @param {Date} date the date to be snapped. - * @return {Date} snappedDate - */ - DataStep.prototype.snap = function(date) { + dataPoints.push(obj); + } + } + return dataPoints; }; /** - * Check if the current value is a major value (for example when the step - * is DAY, a major value is each first day of the MONTH) - * @return {boolean} true if current date is major, else false. + * Create the main frame for the Graph3d. + * This function is executed once when a Graph3d object is created. The frame + * contains a canvas, and this canvas contains all objects like the axis and + * nodes. */ - DataStep.prototype.isMajor = function() { - return (this.current % (this.scale * this.majorSteps[this.stepIndex]) == 0); - }; + Graph3d.prototype.create = function () { + // remove all elements from the container element. + while (this.containerElement.hasChildNodes()) { + this.containerElement.removeChild(this.containerElement.firstChild); + } - module.exports = DataStep; + this.frame = document.createElement('div'); + this.frame.style.position = 'relative'; + this.frame.style.overflow = 'hidden'; + + // create the graph canvas (HTML canvas element) + this.frame.canvas = document.createElement( 'canvas' ); + this.frame.canvas.style.position = 'relative'; + this.frame.appendChild(this.frame.canvas); + //if (!this.frame.canvas.getContext) { + { + var noCanvas = document.createElement( 'DIV' ); + noCanvas.style.color = 'red'; + noCanvas.style.fontWeight = 'bold' ; + noCanvas.style.padding = '10px'; + noCanvas.innerHTML = 'Error: your browser does not support HTML canvas'; + this.frame.canvas.appendChild(noCanvas); + } + this.frame.filter = document.createElement( 'div' ); + this.frame.filter.style.position = 'absolute'; + this.frame.filter.style.bottom = '0px'; + this.frame.filter.style.left = '0px'; + this.frame.filter.style.width = '100%'; + this.frame.appendChild(this.frame.filter); -/***/ }, -/* 17 */ -/***/ function(module, exports, __webpack_require__) { + // add event listeners to handle moving and zooming the contents + var me = this; + var onmousedown = function (event) {me._onMouseDown(event);}; + var ontouchstart = function (event) {me._onTouchStart(event);}; + var onmousewheel = function (event) {me._onWheel(event);}; + var ontooltip = function (event) {me._onTooltip(event);}; + // TODO: these events are never cleaned up... can give a 'memory leakage' + + util.addEventListener(this.frame.canvas, 'keydown', onkeydown); + util.addEventListener(this.frame.canvas, 'mousedown', onmousedown); + util.addEventListener(this.frame.canvas, 'touchstart', ontouchstart); + util.addEventListener(this.frame.canvas, 'mousewheel', onmousewheel); + util.addEventListener(this.frame.canvas, 'mousemove', ontooltip); + + // add the new graph to the container element + this.containerElement.appendChild(this.frame); + }; - var util = __webpack_require__(1); - var hammerUtil = __webpack_require__(48); - var moment = __webpack_require__(44); - var Component = __webpack_require__(20); - var DateUtil = __webpack_require__(15); /** - * @constructor Range - * A Range controls a numeric range with a start and end value. - * The Range adjusts the range based on mouse events or programmatic changes, - * and triggers events when the range is changing or has been changed. - * @param {{dom: Object, domProps: Object, emitter: Emitter}} body - * @param {Object} [options] See description at Range.setOptions + * Set a new size for the graph + * @param {string} width Width in pixels or percentage (for example '800px' + * or '50%') + * @param {string} height Height in pixels or percentage (for example '400px' + * or '30%') */ - function Range(body, options) { - var now = moment().hours(0).minutes(0).seconds(0).milliseconds(0); - this.start = now.clone().add(-3, 'days').valueOf(); // Number - this.end = now.clone().add(4, 'days').valueOf(); // Number + Graph3d.prototype.setSize = function(width, height) { + this.frame.style.width = width; + this.frame.style.height = height; - this.body = body; - this.deltaDifference = 0; - this.scaleOffset = 0; - this.startToFront = false; - this.endToFront = true; + this._resizeCanvas(); + }; - // default options - this.defaultOptions = { - start: null, - end: null, - direction: 'horizontal', // 'horizontal' or 'vertical' - moveable: true, - zoomable: true, - min: null, - max: null, - zoomMin: 10, // milliseconds - zoomMax: 1000 * 60 * 60 * 24 * 365 * 10000 // milliseconds - }; - this.options = util.extend({}, this.defaultOptions); + /** + * Resize the canvas to the current size of the frame + */ + Graph3d.prototype._resizeCanvas = function() { + this.frame.canvas.style.width = '100%'; + this.frame.canvas.style.height = '100%'; - this.props = { - touch: {} - }; - this.animateTimer = null; + this.frame.canvas.width = this.frame.canvas.clientWidth; + this.frame.canvas.height = this.frame.canvas.clientHeight; - // drag listeners for dragging - this.body.emitter.on('dragstart', this._onDragStart.bind(this)); - this.body.emitter.on('drag', this._onDrag.bind(this)); - this.body.emitter.on('dragend', this._onDragEnd.bind(this)); + // adjust with for margin + this.frame.filter.style.width = (this.frame.canvas.clientWidth - 2 * 10) + 'px'; + }; - // ignore dragging when holding - this.body.emitter.on('hold', this._onHold.bind(this)); + /** + * Start animation + */ + Graph3d.prototype.animationStart = function() { + if (!this.frame.filter || !this.frame.filter.slider) + throw 'No animation available'; - // mouse wheel for zooming - this.body.emitter.on('mousewheel', this._onMouseWheel.bind(this)); - this.body.emitter.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF + this.frame.filter.slider.play(); + }; - // pinch to zoom - this.body.emitter.on('touch', this._onTouch.bind(this)); - this.body.emitter.on('pinch', this._onPinch.bind(this)); - this.setOptions(options); - } + /** + * Stop animation + */ + Graph3d.prototype.animationStop = function() { + if (!this.frame.filter || !this.frame.filter.slider) return; + + this.frame.filter.slider.stop(); + }; - Range.prototype = new Component(); /** - * Set options for the range controller - * @param {Object} options Available options: - * {Number | Date | String} start Start date for the range - * {Number | Date | String} end End date for the range - * {Number} min Minimum value for start - * {Number} max Maximum value for end - * {Number} zoomMin Set a minimum value for - * (end - start). - * {Number} zoomMax Set a maximum value for - * (end - start). - * {Boolean} moveable Enable moving of the range - * by dragging. True by default - * {Boolean} zoomable Enable zooming of the range - * by pinching/scrolling. True by default + * Resize the center position based on the current values in this.defaultXCenter + * and this.defaultYCenter (which are strings with a percentage or a value + * in pixels). The center positions are the variables this.xCenter + * and this.yCenter */ - Range.prototype.setOptions = function (options) { - if (options) { - // copy the options that we know - var fields = ['direction', 'min', 'max', 'zoomMin', 'zoomMax', 'moveable', 'zoomable', 'activate', 'hiddenDates']; - util.selectiveExtend(fields, this.options, options); + Graph3d.prototype._resizeCenter = function() { + // calculate the horizontal center position + if (this.defaultXCenter.charAt(this.defaultXCenter.length-1) === '%') { + this.xcenter = + parseFloat(this.defaultXCenter) / 100 * + this.frame.canvas.clientWidth; + } + else { + this.xcenter = parseFloat(this.defaultXCenter); // supposed to be in px + } - if ('start' in options || 'end' in options) { - // apply a new range. both start and end are optional - this.setRange(options.start, options.end); - } + // calculate the vertical center position + if (this.defaultYCenter.charAt(this.defaultYCenter.length-1) === '%') { + this.ycenter = + parseFloat(this.defaultYCenter) / 100 * + (this.frame.canvas.clientHeight - this.frame.filter.clientHeight); + } + else { + this.ycenter = parseFloat(this.defaultYCenter); // supposed to be in px } }; /** - * Test whether direction has a valid value - * @param {String} direction 'horizontal' or 'vertical' + * Set the rotation and distance of the camera + * @param {Object} pos An object with the camera position. The object + * contains three parameters: + * - horizontal {Number} + * The horizontal rotation, between 0 and 2*PI. + * Optional, can be left undefined. + * - vertical {Number} + * The vertical rotation, between 0 and 0.5*PI + * if vertical=0.5*PI, the graph is shown from the + * top. Optional, can be left undefined. + * - distance {Number} + * The (normalized) distance of the camera to the + * center of the graph, a value between 0.71 and 5.0. + * Optional, can be left undefined. */ - function validateDirection (direction) { - if (direction != 'horizontal' && direction != 'vertical') { - throw new TypeError('Unknown direction "' + direction + '". ' + - 'Choose "horizontal" or "vertical".'); + Graph3d.prototype.setCameraPosition = function(pos) { + if (pos === undefined) { + return; } - } - /** - * Set a new start and end range - * @param {Date | Number | String} [start] - * @param {Date | Number | String} [end] - * @param {boolean | number} [animate=false] If true, the range is animated - * smoothly to the new window. - * If animate is a number, the - * number is taken as duration - * Default duration is 500 ms. - * @param {Boolean} [byUser=false] - * - */ - Range.prototype.setRange = function(start, end, animate, byUser) { - if (byUser !== true) { - byUser = false; + if (pos.horizontal !== undefined && pos.vertical !== undefined) { + this.camera.setArmRotation(pos.horizontal, pos.vertical); } - var _start = start != undefined ? util.convert(start, 'Date').valueOf() : null; - var _end = end != undefined ? util.convert(end, 'Date').valueOf() : null; - this._cancelAnimation(); - if (animate) { - var me = this; - var initStart = this.start; - var initEnd = this.end; - var duration = typeof animate === 'number' ? animate : 500; - var initTime = new Date().valueOf(); - var anyChanged = false; + if (pos.distance !== undefined) { + this.camera.setArmLength(pos.distance); + } - var next = function () { - if (!me.props.touch.dragging) { - var now = new Date().valueOf(); - var time = now - initTime; - var done = time > duration; - var s = (done || _start === null) ? _start : util.easeInOutQuad(time, initStart, _start, duration); - var e = (done || _end === null) ? _end : util.easeInOutQuad(time, initEnd, _end, duration); + this.redraw(); + }; - changed = me._applyRange(s, e); - DateUtil.updateHiddenDates(me.body, me.options.hiddenDates); - anyChanged = anyChanged || changed; - if (changed) { - me.body.emitter.emit('rangechange', {start: new Date(me.start), end: new Date(me.end), byUser:byUser}); - } - if (done) { - if (anyChanged) { - me.body.emitter.emit('rangechanged', {start: new Date(me.start), end: new Date(me.end), byUser:byUser}); - } - } - else { - // animate with as high as possible frame rate, leave 20 ms in between - // each to prevent the browser from blocking - me.animateTimer = setTimeout(next, 20); - } - } - } + /** + * Retrieve the current camera rotation + * @return {object} An object with parameters horizontal, vertical, and + * distance + */ + Graph3d.prototype.getCameraPosition = function() { + var pos = this.camera.getArmRotation(); + pos.distance = this.camera.getArmLength(); + return pos; + }; - return next(); + /** + * Load data into the 3D Graph + */ + Graph3d.prototype._readData = function(data) { + // read the data + this._dataInitialize(data, this.style); + + + if (this.dataFilter) { + // apply filtering + this.dataPoints = this.dataFilter._getDataPoints(); } else { - var changed = this._applyRange(_start, _end); - DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); - if (changed) { - var params = {start: new Date(this.start), end: new Date(this.end), byUser:byUser}; - this.body.emitter.emit('rangechange', params); - this.body.emitter.emit('rangechanged', params); - } + // no filtering. load all data + this.dataPoints = this._getDataPoints(this.dataTable); } + + // draw the filter + this._redrawFilter(); }; /** - * Stop an animation - * @private + * Replace the dataset of the Graph3d + * @param {Array | DataSet | DataView} data */ - Range.prototype._cancelAnimation = function () { - if (this.animateTimer) { - clearTimeout(this.animateTimer); - this.animateTimer = null; + Graph3d.prototype.setData = function (data) { + this._readData(data); + this.redraw(); + + // start animation when option is true + if (this.animationAutoStart && this.dataFilter) { + this.animationStart(); } }; /** - * Set a new start and end range. This method is the same as setRange, but - * does not trigger a range change and range changed event, and it returns - * true when the range is changed - * @param {Number} [start] - * @param {Number} [end] - * @return {Boolean} changed - * @private + * Update the options. Options will be merged with current options + * @param {Object} options */ - Range.prototype._applyRange = function(start, end) { - var newStart = (start != null) ? util.convert(start, 'Date').valueOf() : this.start, - newEnd = (end != null) ? util.convert(end, 'Date').valueOf() : this.end, - max = (this.options.max != null) ? util.convert(this.options.max, 'Date').valueOf() : null, - min = (this.options.min != null) ? util.convert(this.options.min, 'Date').valueOf() : null, - diff; + Graph3d.prototype.setOptions = function (options) { + var cameraPosition = undefined; - // check for valid number - if (isNaN(newStart) || newStart === null) { - throw new Error('Invalid start "' + start + '"'); - } - if (isNaN(newEnd) || newEnd === null) { - throw new Error('Invalid end "' + end + '"'); - } + this.animationStop(); - // prevent start < end - if (newEnd < newStart) { - newEnd = newStart; - } + if (options !== undefined) { + // retrieve parameter values + if (options.width !== undefined) this.width = options.width; + if (options.height !== undefined) this.height = options.height; - // prevent start < min - if (min !== null) { - if (newStart < min) { - diff = (min - newStart); - newStart += diff; - newEnd += diff; + if (options.xCenter !== undefined) this.defaultXCenter = options.xCenter; + if (options.yCenter !== undefined) this.defaultYCenter = options.yCenter; - // prevent end > max - if (max != null) { - if (newEnd > max) { - newEnd = max; - } - } - } - } + if (options.filterLabel !== undefined) this.filterLabel = options.filterLabel; + if (options.legendLabel !== undefined) this.legendLabel = options.legendLabel; + if (options.xLabel !== undefined) this.xLabel = options.xLabel; + if (options.yLabel !== undefined) this.yLabel = options.yLabel; + if (options.zLabel !== undefined) this.zLabel = options.zLabel; - // prevent end > max - if (max !== null) { - if (newEnd > max) { - diff = (newEnd - max); - newStart -= diff; - newEnd -= diff; + if (options.xValueLabel !== undefined) this.xValueLabel = options.xValueLabel; + if (options.yValueLabel !== undefined) this.yValueLabel = options.yValueLabel; + if (options.zValueLabel !== undefined) this.zValueLabel = options.zValueLabel; - // prevent start < min - if (min != null) { - if (newStart < min) { - newStart = min; - } + if (options.style !== undefined) { + var styleNumber = this._getStyleNumber(options.style); + if (styleNumber !== -1) { + this.style = styleNumber; } } - } + if (options.showGrid !== undefined) this.showGrid = options.showGrid; + if (options.showPerspective !== undefined) this.showPerspective = options.showPerspective; + if (options.showShadow !== undefined) this.showShadow = options.showShadow; + if (options.tooltip !== undefined) this.showTooltip = options.tooltip; + if (options.showAnimationControls !== undefined) this.showAnimationControls = options.showAnimationControls; + if (options.keepAspectRatio !== undefined) this.keepAspectRatio = options.keepAspectRatio; + if (options.verticalRatio !== undefined) this.verticalRatio = options.verticalRatio; - // prevent (end-start) < zoomMin - if (this.options.zoomMin !== null) { - var zoomMin = parseFloat(this.options.zoomMin); - if (zoomMin < 0) { - zoomMin = 0; - } - if ((newEnd - newStart) < zoomMin) { - if ((this.end - this.start) === zoomMin) { - // ignore this action, we are already zoomed to the minimum - newStart = this.start; - newEnd = this.end; - } - else { - // zoom to the minimum - diff = (zoomMin - (newEnd - newStart)); - newStart -= diff / 2; - newEnd += diff / 2; - } - } - } + if (options.animationInterval !== undefined) this.animationInterval = options.animationInterval; + if (options.animationPreload !== undefined) this.animationPreload = options.animationPreload; + if (options.animationAutoStart !== undefined)this.animationAutoStart = options.animationAutoStart; - // prevent (end-start) > zoomMax - if (this.options.zoomMax !== null) { - var zoomMax = parseFloat(this.options.zoomMax); - if (zoomMax < 0) { - zoomMax = 0; + if (options.xBarWidth !== undefined) this.defaultXBarWidth = options.xBarWidth; + if (options.yBarWidth !== undefined) this.defaultYBarWidth = options.yBarWidth; + + if (options.xMin !== undefined) this.defaultXMin = options.xMin; + if (options.xStep !== undefined) this.defaultXStep = options.xStep; + if (options.xMax !== undefined) this.defaultXMax = options.xMax; + if (options.yMin !== undefined) this.defaultYMin = options.yMin; + if (options.yStep !== undefined) this.defaultYStep = options.yStep; + if (options.yMax !== undefined) this.defaultYMax = options.yMax; + if (options.zMin !== undefined) this.defaultZMin = options.zMin; + if (options.zStep !== undefined) this.defaultZStep = options.zStep; + if (options.zMax !== undefined) this.defaultZMax = options.zMax; + if (options.valueMin !== undefined) this.defaultValueMin = options.valueMin; + if (options.valueMax !== undefined) this.defaultValueMax = options.valueMax; + + if (options.cameraPosition !== undefined) cameraPosition = options.cameraPosition; + + if (cameraPosition !== undefined) { + this.camera.setArmRotation(cameraPosition.horizontal, cameraPosition.vertical); + this.camera.setArmLength(cameraPosition.distance); } - if ((newEnd - newStart) > zoomMax) { - if ((this.end - this.start) === zoomMax) { - // ignore this action, we are already zoomed to the maximum - newStart = this.start; - newEnd = this.end; - } - else { - // zoom to the maximum - diff = ((newEnd - newStart) - zoomMax); - newStart += diff / 2; - newEnd -= diff / 2; - } + else { + this.camera.setArmRotation(1.0, 0.5); + this.camera.setArmLength(1.7); } } - var changed = (this.start != newStart || this.end != newEnd); + this._setBackgroundColor(options && options.backgroundColor); - // if the new range does NOT overlap with the old range, emit checkRangedItems to avoid not showing ranged items (ranged meaning has end time, not neccesarily of type Range) - if (!((newStart >= this.start && newStart <= this.end) || (newEnd >= this.start && newEnd <= this.end)) && - !((this.start >= newStart && this.start <= newEnd) || (this.end >= newStart && this.end <= newEnd) )) { - this.body.emitter.emit('checkRangedItems'); + this.setSize(this.width, this.height); + + // re-load the data + if (this.dataTable) { + this.setData(this.dataTable); } - this.start = newStart; - this.end = newEnd; - return changed; + // start animation when option is true + if (this.animationAutoStart && this.dataFilter) { + this.animationStart(); + } }; /** - * Retrieve the current range. - * @return {Object} An object with start and end properties + * Redraw the Graph. */ - Range.prototype.getRange = function() { - return { - start: this.start, - end: this.end - }; + Graph3d.prototype.redraw = function() { + if (this.dataPoints === undefined) { + throw 'Error: graph data not initialized'; + } + + this._resizeCanvas(); + this._resizeCenter(); + this._redrawSlider(); + this._redrawClear(); + this._redrawAxis(); + + if (this.style === Graph3d.STYLE.GRID || + this.style === Graph3d.STYLE.SURFACE) { + this._redrawDataGrid(); + } + else if (this.style === Graph3d.STYLE.LINE) { + this._redrawDataLine(); + } + else if (this.style === Graph3d.STYLE.BAR || + this.style === Graph3d.STYLE.BARCOLOR || + this.style === Graph3d.STYLE.BARSIZE) { + this._redrawDataBar(); + } + else { + // style is DOT, DOTLINE, DOTCOLOR, DOTSIZE + this._redrawDataDot(); + } + + this._redrawInfo(); + this._redrawLegend(); }; /** - * Calculate the conversion offset and scale for current range, based on - * the provided width - * @param {Number} width - * @returns {{offset: number, scale: number}} conversion + * Clear the canvas before redrawing */ - Range.prototype.conversion = function (width, totalHidden) { - return Range.conversion(this.start, this.end, width, totalHidden); + Graph3d.prototype._redrawClear = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + + ctx.clearRect(0, 0, canvas.width, canvas.height); }; + /** - * Static method to calculate the conversion offset and scale for a range, - * based on the provided start, end, and width - * @param {Number} start - * @param {Number} end - * @param {Number} width - * @returns {{offset: number, scale: number}} conversion + * Redraw the legend showing the colors */ - Range.conversion = function (start, end, width, totalHidden) { - if (totalHidden === undefined) { - totalHidden = 0; + Graph3d.prototype._redrawLegend = function() { + var y; + + if (this.style === Graph3d.STYLE.DOTCOLOR || + this.style === Graph3d.STYLE.DOTSIZE) { + + var dotSize = this.frame.clientWidth * 0.02; + + var widthMin, widthMax; + if (this.style === Graph3d.STYLE.DOTSIZE) { + widthMin = dotSize / 2; // px + widthMax = dotSize / 2 + dotSize * 2; // Todo: put this in one function + } + else { + widthMin = 20; // px + widthMax = 20; // px + } + + var height = Math.max(this.frame.clientHeight * 0.25, 100); + var top = this.margin; + var right = this.frame.clientWidth - this.margin; + var left = right - widthMax; + var bottom = top + height; } - if (width != 0 && (end - start != 0)) { - return { - offset: start, - scale: width / (end - start - totalHidden) + + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + ctx.lineWidth = 1; + ctx.font = '14px arial'; // TODO: put in options + + if (this.style === Graph3d.STYLE.DOTCOLOR) { + // draw the color bar + var ymin = 0; + var ymax = height; // Todo: make height customizable + for (y = ymin; y < ymax; y++) { + var f = (y - ymin) / (ymax - ymin); + + //var width = (dotSize / 2 + (1-f) * dotSize * 2); // Todo: put this in one function + var hue = f * 240; + var color = this._hsv2rgb(hue, 1, 1); + + ctx.strokeStyle = color; + ctx.beginPath(); + ctx.moveTo(left, top + y); + ctx.lineTo(right, top + y); + ctx.stroke(); } + + ctx.strokeStyle = this.colorAxis; + ctx.strokeRect(left, top, widthMax, height); } - else { - return { - offset: 0, - scale: 1 - }; + + if (this.style === Graph3d.STYLE.DOTSIZE) { + // draw border around color bar + ctx.strokeStyle = this.colorAxis; + ctx.fillStyle = this.colorDot; + ctx.beginPath(); + ctx.moveTo(left, top); + ctx.lineTo(right, top); + ctx.lineTo(right - widthMax + widthMin, bottom); + ctx.lineTo(left, bottom); + ctx.closePath(); + ctx.fill(); + ctx.stroke(); } - }; - /** - * Start dragging horizontally or vertically - * @param {Event} event - * @private - */ - Range.prototype._onDragStart = function(event) { - this.deltaDifference = 0; - this.previousDelta = 0; - // only allow dragging when configured as movable - if (!this.options.moveable) return; + if (this.style === Graph3d.STYLE.DOTCOLOR || + this.style === Graph3d.STYLE.DOTSIZE) { + // print values along the color bar + var gridLineLen = 5; // px + var step = new StepNumber(this.valueMin, this.valueMax, (this.valueMax-this.valueMin)/5, true); + step.start(); + if (step.getCurrent() < this.valueMin) { + step.next(); + } + while (!step.end()) { + y = bottom - (step.getCurrent() - this.valueMin) / (this.valueMax - this.valueMin) * height; - // refuse to drag when we where pinching to prevent the timeline make a jump - // when releasing the fingers in opposite order from the touch screen - if (!this.props.touch.allowDragging) return; + ctx.beginPath(); + ctx.moveTo(left - gridLineLen, y); + ctx.lineTo(left, y); + ctx.stroke(); - this.props.touch.start = this.start; - this.props.touch.end = this.end; - this.props.touch.dragging = true; + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = this.colorAxis; + ctx.fillText(step.getCurrent(), left - 2 * gridLineLen, y); - if (this.body.dom.root) { - this.body.dom.root.style.cursor = 'move'; + step.next(); + } + + ctx.textAlign = 'right'; + ctx.textBaseline = 'top'; + var label = this.legendLabel; + ctx.fillText(label, right, bottom + this.margin); } }; /** - * Perform dragging operation - * @param {Event} event - * @private + * Redraw the filter */ - Range.prototype._onDrag = function (event) { - // only allow dragging when configured as movable - if (!this.options.moveable) return; - // refuse to drag when we where pinching to prevent the timeline make a jump - // when releasing the fingers in opposite order from the touch screen - if (!this.props.touch.allowDragging) return; + Graph3d.prototype._redrawFilter = function() { + this.frame.filter.innerHTML = ''; - var direction = this.options.direction; - validateDirection(direction); + if (this.dataFilter) { + var options = { + 'visible': this.showAnimationControls + }; + var slider = new Slider(this.frame.filter, options); + this.frame.filter.slider = slider; - var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY; - delta -= this.deltaDifference; - var interval = (this.props.touch.end - this.props.touch.start); + // TODO: css here is not nice here... + this.frame.filter.style.padding = '10px'; + //this.frame.filter.style.backgroundColor = '#EFEFEF'; - // normalize dragging speed if cutout is in between. - var duration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - interval -= duration; + slider.setValues(this.dataFilter.values); + slider.setPlayInterval(this.animationInterval); - var width = (direction == 'horizontal') ? this.body.domProps.center.width : this.body.domProps.center.height; - var diffRange = -delta / width * interval; - var newStart = this.props.touch.start + diffRange; - var newEnd = this.props.touch.end + diffRange; + // create an event handler + var me = this; + var onchange = function () { + var index = slider.getIndex(); + me.dataFilter.selectValue(index); + me.dataPoints = me.dataFilter._getDataPoints(); - // snapping times away from hidden zones - var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, this.previousDelta-delta, true); - var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, this.previousDelta-delta, true); - if (safeStart != newStart || safeEnd != newEnd) { - this.deltaDifference += delta; - this.props.touch.start = safeStart; - this.props.touch.end = safeEnd; - this._onDrag(event); - return; + me.redraw(); + }; + slider.setOnChangeCallback(onchange); } + else { + this.frame.filter.slider = undefined; + } + }; - this.previousDelta = delta; - this._applyRange(newStart, newEnd); - - // fire a rangechange event - this.body.emitter.emit('rangechange', { - start: new Date(this.start), - end: new Date(this.end), - byUser: true - }); + /** + * Redraw the slider + */ + Graph3d.prototype._redrawSlider = function() { + if ( this.frame.filter.slider !== undefined) { + this.frame.filter.slider.redraw(); + } }; + /** - * Stop dragging operation - * @param {event} event - * @private + * Redraw common information */ - Range.prototype._onDragEnd = function (event) { - // only allow dragging when configured as movable - if (!this.options.moveable) return; + Graph3d.prototype._redrawInfo = function() { + if (this.dataFilter) { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); - // refuse to drag when we where pinching to prevent the timeline make a jump - // when releasing the fingers in opposite order from the touch screen - if (!this.props.touch.allowDragging) return; + ctx.font = '14px arial'; // TODO: put in options + ctx.lineStyle = 'gray'; + ctx.fillStyle = 'gray'; + ctx.textAlign = 'left'; + ctx.textBaseline = 'top'; - this.props.touch.dragging = false; - if (this.body.dom.root) { - this.body.dom.root.style.cursor = 'auto'; + var x = this.margin; + var y = this.margin; + ctx.fillText(this.dataFilter.getLabel() + ': ' + this.dataFilter.getSelectedValue(), x, y); } - - // fire a rangechanged event - this.body.emitter.emit('rangechanged', { - start: new Date(this.start), - end: new Date(this.end), - byUser: true - }); }; + /** - * Event handler for mouse wheel event, used to zoom - * Code from http://adomas.org/javascript-mouse-wheel/ - * @param {Event} event - * @private + * Redraw the axis */ - Range.prototype._onMouseWheel = function(event) { - // only allow zooming when configured as zoomable and moveable - if (!(this.options.zoomable && this.options.moveable)) return; + Graph3d.prototype._redrawAxis = function() { + var canvas = this.frame.canvas, + ctx = canvas.getContext('2d'), + from, to, step, prettyStep, + text, xText, yText, zText, + offset, xOffset, yOffset, + xMin2d, xMax2d; - // retrieve delta - var delta = 0; - if (event.wheelDelta) { /* IE/Opera. */ - delta = event.wheelDelta / 120; - } else if (event.detail) { /* Mozilla case. */ - // In Mozilla, sign of delta is different than in IE. - // Also, delta is multiple of 3. - delta = -event.detail / 3; - } + // TODO: get the actual rendered style of the containerElement + //ctx.font = this.containerElement.style.font; + ctx.font = 24 / this.camera.getArmLength() + 'px arial'; - // If delta is nonzero, handle it. - // Basically, delta is now positive if wheel was scrolled up, - // and negative, if wheel was scrolled down. - if (delta) { - // perform the zoom action. Delta is normally 1 or -1 + // calculate the length for the short grid lines + var gridLenX = 0.025 / this.scale.x; + var gridLenY = 0.025 / this.scale.y; + var textMargin = 5 / this.camera.getArmLength(); // px + var armAngle = this.camera.getArmRotation().horizontal; - // adjust a negative delta such that zooming in with delta 0.1 - // equals zooming out with a delta -0.1 - var scale; - if (delta < 0) { - scale = 1 - (delta / 5); + // draw x-grid lines + ctx.lineWidth = 1; + prettyStep = (this.defaultXStep === undefined); + step = new StepNumber(this.xMin, this.xMax, this.xStep, prettyStep); + step.start(); + if (step.getCurrent() < this.xMin) { + step.next(); + } + while (!step.end()) { + var x = step.getCurrent(); + + if (this.showGrid) { + from = this._convert3Dto2D(new Point3d(x, this.yMin, this.zMin)); + to = this._convert3Dto2D(new Point3d(x, this.yMax, this.zMin)); + ctx.strokeStyle = this.colorGrid; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); } else { - scale = 1 / (1 + (delta / 5)) ; + from = this._convert3Dto2D(new Point3d(x, this.yMin, this.zMin)); + to = this._convert3Dto2D(new Point3d(x, this.yMin+gridLenX, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); + + from = this._convert3Dto2D(new Point3d(x, this.yMax, this.zMin)); + to = this._convert3Dto2D(new Point3d(x, this.yMax-gridLenX, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); } - // calculate center, the date to zoom around - var gesture = hammerUtil.fakeGesture(this, event), - pointer = getPointer(gesture.center, this.body.dom.center), - pointerDate = this._pointerToDate(pointer); + yText = (Math.cos(armAngle) > 0) ? this.yMin : this.yMax; + text = this._convert3Dto2D(new Point3d(x, yText, this.zMin)); + if (Math.cos(armAngle * 2) > 0) { + ctx.textAlign = 'center'; + ctx.textBaseline = 'top'; + text.y += textMargin; + } + else if (Math.sin(armAngle * 2) < 0){ + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + } + else { + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; + } + ctx.fillStyle = this.colorAxis; + ctx.fillText(' ' + this.xValueLabel(step.getCurrent()) + ' ', text.x, text.y); - this.zoom(scale, pointerDate, delta); + step.next(); } - // Prevent default actions caused by mouse wheel - // (else the page and timeline both zoom and scroll) - event.preventDefault(); - }; - - /** - * Start of a touch gesture - * @private - */ - Range.prototype._onTouch = function (event) { - this.props.touch.start = this.start; - this.props.touch.end = this.end; - this.props.touch.allowDragging = true; - this.props.touch.center = null; - this.scaleOffset = 0; - this.deltaDifference = 0; - }; + // draw y-grid lines + ctx.lineWidth = 1; + prettyStep = (this.defaultYStep === undefined); + step = new StepNumber(this.yMin, this.yMax, this.yStep, prettyStep); + step.start(); + if (step.getCurrent() < this.yMin) { + step.next(); + } + while (!step.end()) { + if (this.showGrid) { + from = this._convert3Dto2D(new Point3d(this.xMin, step.getCurrent(), this.zMin)); + to = this._convert3Dto2D(new Point3d(this.xMax, step.getCurrent(), this.zMin)); + ctx.strokeStyle = this.colorGrid; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); + } + else { + from = this._convert3Dto2D(new Point3d(this.xMin, step.getCurrent(), this.zMin)); + to = this._convert3Dto2D(new Point3d(this.xMin+gridLenY, step.getCurrent(), this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); - /** - * On start of a hold gesture - * @private - */ - Range.prototype._onHold = function () { - this.props.touch.allowDragging = false; - }; + from = this._convert3Dto2D(new Point3d(this.xMax, step.getCurrent(), this.zMin)); + to = this._convert3Dto2D(new Point3d(this.xMax-gridLenY, step.getCurrent(), this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); + } - /** - * Handle pinch event - * @param {Event} event - * @private - */ - Range.prototype._onPinch = function (event) { - // only allow zooming when configured as zoomable and moveable - if (!(this.options.zoomable && this.options.moveable)) return; + xText = (Math.sin(armAngle ) > 0) ? this.xMin : this.xMax; + text = this._convert3Dto2D(new Point3d(xText, step.getCurrent(), this.zMin)); + if (Math.cos(armAngle * 2) < 0) { + ctx.textAlign = 'center'; + ctx.textBaseline = 'top'; + text.y += textMargin; + } + else if (Math.sin(armAngle * 2) > 0){ + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + } + else { + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; + } + ctx.fillStyle = this.colorAxis; + ctx.fillText(' ' + this.yValueLabel(step.getCurrent()) + ' ', text.x, text.y); - this.props.touch.allowDragging = false; + step.next(); + } - if (event.gesture.touches.length > 1) { - if (!this.props.touch.center) { - this.props.touch.center = getPointer(event.gesture.center, this.body.dom.center); - } + // draw z-grid lines and axis + ctx.lineWidth = 1; + prettyStep = (this.defaultZStep === undefined); + step = new StepNumber(this.zMin, this.zMax, this.zStep, prettyStep); + step.start(); + if (step.getCurrent() < this.zMin) { + step.next(); + } + xText = (Math.cos(armAngle ) > 0) ? this.xMin : this.xMax; + yText = (Math.sin(armAngle ) < 0) ? this.yMin : this.yMax; + while (!step.end()) { + // TODO: make z-grid lines really 3d? + from = this._convert3Dto2D(new Point3d(xText, yText, step.getCurrent())); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(from.x - textMargin, from.y); + ctx.stroke(); - var scale = 1 / (event.gesture.scale + this.scaleOffset); - var centerDate = this._pointerToDate(this.props.touch.center); + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = this.colorAxis; + ctx.fillText(this.zValueLabel(step.getCurrent()) + ' ', from.x - 5, from.y); - var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, centerDate); - var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + step.next(); + } + ctx.lineWidth = 1; + from = this._convert3Dto2D(new Point3d(xText, yText, this.zMin)); + to = this._convert3Dto2D(new Point3d(xText, yText, this.zMax)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); - // calculate new start and end - var newStart = (centerDate - hiddenDurationBefore) + (this.props.touch.start - (centerDate - hiddenDurationBefore)) * scale; - var newEnd = (centerDate + hiddenDurationAfter) + (this.props.touch.end - (centerDate + hiddenDurationAfter)) * scale; + // draw x-axis + ctx.lineWidth = 1; + // line at yMin + xMin2d = this._convert3Dto2D(new Point3d(this.xMin, this.yMin, this.zMin)); + xMax2d = this._convert3Dto2D(new Point3d(this.xMax, this.yMin, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(xMin2d.x, xMin2d.y); + ctx.lineTo(xMax2d.x, xMax2d.y); + ctx.stroke(); + // line at ymax + xMin2d = this._convert3Dto2D(new Point3d(this.xMin, this.yMax, this.zMin)); + xMax2d = this._convert3Dto2D(new Point3d(this.xMax, this.yMax, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(xMin2d.x, xMin2d.y); + ctx.lineTo(xMax2d.x, xMax2d.y); + ctx.stroke(); - // snapping times away from hidden zones - this.startToFront = 1 - scale > 0 ? false : true; // used to do the right autocorrection with periodic hidden times - this.endToFront = scale - 1 > 0 ? false : true; // used to do the right autocorrection with periodic hidden times + // draw y-axis + ctx.lineWidth = 1; + // line at xMin + from = this._convert3Dto2D(new Point3d(this.xMin, this.yMin, this.zMin)); + to = this._convert3Dto2D(new Point3d(this.xMin, this.yMax, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); + // line at xMax + from = this._convert3Dto2D(new Point3d(this.xMax, this.yMin, this.zMin)); + to = this._convert3Dto2D(new Point3d(this.xMax, this.yMax, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); - var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, 1 - scale, true); - var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, scale - 1, true); - if (safeStart != newStart || safeEnd != newEnd) { - this.props.touch.start = safeStart; - this.props.touch.end = safeEnd; - this.scaleOffset = 1 - event.gesture.scale; - newStart = safeStart; - newEnd = safeEnd; + // draw x-label + var xLabel = this.xLabel; + if (xLabel.length > 0) { + yOffset = 0.1 / this.scale.y; + xText = (this.xMin + this.xMax) / 2; + yText = (Math.cos(armAngle) > 0) ? this.yMin - yOffset: this.yMax + yOffset; + text = this._convert3Dto2D(new Point3d(xText, yText, this.zMin)); + if (Math.cos(armAngle * 2) > 0) { + ctx.textAlign = 'center'; + ctx.textBaseline = 'top'; + } + else if (Math.sin(armAngle * 2) < 0){ + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + } + else { + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; } + ctx.fillStyle = this.colorAxis; + ctx.fillText(xLabel, text.x, text.y); + } - this.setRange(newStart, newEnd, false, true); + // draw y-label + var yLabel = this.yLabel; + if (yLabel.length > 0) { + xOffset = 0.1 / this.scale.x; + xText = (Math.sin(armAngle ) > 0) ? this.xMin - xOffset : this.xMax + xOffset; + yText = (this.yMin + this.yMax) / 2; + text = this._convert3Dto2D(new Point3d(xText, yText, this.zMin)); + if (Math.cos(armAngle * 2) < 0) { + ctx.textAlign = 'center'; + ctx.textBaseline = 'top'; + } + else if (Math.sin(armAngle * 2) > 0){ + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + } + else { + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; + } + ctx.fillStyle = this.colorAxis; + ctx.fillText(yLabel, text.x, text.y); + } - this.startToFront = false; // revert to default - this.endToFront = true; // revert to default + // draw z-label + var zLabel = this.zLabel; + if (zLabel.length > 0) { + offset = 30; // pixels. // TODO: relate to the max width of the values on the z axis? + xText = (Math.cos(armAngle ) > 0) ? this.xMin : this.xMax; + yText = (Math.sin(armAngle ) < 0) ? this.yMin : this.yMax; + zText = (this.zMin + this.zMax) / 2; + text = this._convert3Dto2D(new Point3d(xText, yText, zText)); + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = this.colorAxis; + ctx.fillText(zLabel, text.x - offset, text.y); } }; /** - * Helper function to calculate the center date for zooming - * @param {{x: Number, y: Number}} pointer - * @return {number} date - * @private + * Calculate the color based on the given value. + * @param {Number} H Hue, a value be between 0 and 360 + * @param {Number} S Saturation, a value between 0 and 1 + * @param {Number} V Value, a value between 0 and 1 */ - Range.prototype._pointerToDate = function (pointer) { - var conversion; - var direction = this.options.direction; + Graph3d.prototype._hsv2rgb = function(H, S, V) { + var R, G, B, C, Hi, X; - validateDirection(direction); + C = V * S; + Hi = Math.floor(H/60); // hi = 0,1,2,3,4,5 + X = C * (1 - Math.abs(((H/60) % 2) - 1)); - if (direction == 'horizontal') { - return this.body.util.toTime(pointer.x).valueOf(); - } - else { - var height = this.body.domProps.center.height; - conversion = this.conversion(height); - return pointer.y / conversion.scale + conversion.offset; + switch (Hi) { + case 0: R = C; G = X; B = 0; break; + case 1: R = X; G = C; B = 0; break; + case 2: R = 0; G = C; B = X; break; + case 3: R = 0; G = X; B = C; break; + case 4: R = X; G = 0; B = C; break; + case 5: R = C; G = 0; B = X; break; + + default: R = 0; G = 0; B = 0; break; } + + return 'RGB(' + parseInt(R*255) + ',' + parseInt(G*255) + ',' + parseInt(B*255) + ')'; }; - /** - * Get the pointer location relative to the location of the dom element - * @param {{pageX: Number, pageY: Number}} touch - * @param {Element} element HTML DOM element - * @return {{x: Number, y: Number}} pointer - * @private - */ - function getPointer (touch, element) { - return { - x: touch.pageX - util.getAbsoluteLeft(element), - y: touch.pageY - util.getAbsoluteTop(element) - }; - } /** - * Zoom the range the given scale in or out. Start and end date will - * be adjusted, and the timeline will be redrawn. You can optionally give a - * date around which to zoom. - * For example, try scale = 0.9 or 1.1 - * @param {Number} scale Scaling factor. Values above 1 will zoom out, - * values below 1 will zoom in. - * @param {Number} [center] Value representing a date around which will - * be zoomed. + * Draw all datapoints as a grid + * This function can be used when the style is 'grid' */ - Range.prototype.zoom = function(scale, center, delta) { - // if centerDate is not provided, take it half between start Date and end Date - if (center == null) { - center = (this.start + this.end) / 2; - } - - var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); - var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; - - // calculate new start and end - var newStart = (center-hiddenDurationBefore) + (this.start - (center-hiddenDurationBefore)) * scale; - var newEnd = (center+hiddenDurationAfter) + (this.end - (center+hiddenDurationAfter)) * scale; - - // snapping times away from hidden zones - this.startToFront = delta > 0 ? false : true; // used to do the right autocorrection with periodic hidden times - this.endToFront = -delta > 0 ? false : true; // used to do the right autocorrection with periodic hidden times - var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, delta, true); - var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, -delta, true); - if (safeStart != newStart || safeEnd != newEnd) { - newStart = safeStart; - newEnd = safeEnd; - } + Graph3d.prototype._redrawDataGrid = function() { + var canvas = this.frame.canvas, + ctx = canvas.getContext('2d'), + point, right, top, cross, + i, + topSideVisible, fillStyle, strokeStyle, lineWidth, + h, s, v, zAvg; - this.setRange(newStart, newEnd, false, true); - this.startToFront = false; // revert to default - this.endToFront = true; // revert to default - }; + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? + // calculate the translations and screen position of all points + for (i = 0; i < this.dataPoints.length; i++) { + var trans = this._convertPointToTranslation(this.dataPoints[i].point); + var screen = this._convertTranslationToScreen(trans); + this.dataPoints[i].trans = trans; + this.dataPoints[i].screen = screen; - /** - * Move the range with a given delta to the left or right. Start and end - * value will be adjusted. For example, try delta = 0.1 or -0.1 - * @param {Number} delta Moving amount. Positive value will move right, - * negative value will move left - */ - Range.prototype.move = function(delta) { - // zoom start Date and end Date relative to the centerDate - var diff = (this.end - this.start); + // calculate the translation of the point at the bottom (needed for sorting) + var transBottom = this._convertPointToTranslation(this.dataPoints[i].bottom); + this.dataPoints[i].dist = this.showPerspective ? transBottom.length() : -transBottom.z; + } - // apply new values - var newStart = this.start + diff * delta; - var newEnd = this.end + diff * delta; + // sort the points on depth of their (x,y) position (not on z) + var sortDepth = function (a, b) { + return b.dist - a.dist; + }; + this.dataPoints.sort(sortDepth); - // TODO: reckon with min and max range + if (this.style === Graph3d.STYLE.SURFACE) { + for (i = 0; i < this.dataPoints.length; i++) { + point = this.dataPoints[i]; + right = this.dataPoints[i].pointRight; + top = this.dataPoints[i].pointTop; + cross = this.dataPoints[i].pointCross; - this.start = newStart; - this.end = newEnd; - }; + if (point !== undefined && right !== undefined && top !== undefined && cross !== undefined) { - /** - * Move the range to a new center point - * @param {Number} moveTo New center point of the range - */ - Range.prototype.moveTo = function(moveTo) { - var center = (this.start + this.end) / 2; + if (this.showGrayBottom || this.showShadow) { + // calculate the cross product of the two vectors from center + // to left and right, in order to know whether we are looking at the + // bottom or at the top side. We can also use the cross product + // for calculating light intensity + var aDiff = Point3d.subtract(cross.trans, point.trans); + var bDiff = Point3d.subtract(top.trans, right.trans); + var crossproduct = Point3d.crossProduct(aDiff, bDiff); + var len = crossproduct.length(); + // FIXME: there is a bug with determining the surface side (shadow or colored) - var diff = center - moveTo; + topSideVisible = (crossproduct.z > 0); + } + else { + topSideVisible = true; + } - // calculate new start and end - var newStart = this.start - diff; - var newEnd = this.end - diff; + if (topSideVisible) { + // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 + zAvg = (point.point.z + right.point.z + top.point.z + cross.point.z) / 4; + h = (1 - (zAvg - this.zMin) * this.scale.z / this.verticalRatio) * 240; + s = 1; // saturation - this.setRange(newStart, newEnd); - }; + if (this.showShadow) { + v = Math.min(1 + (crossproduct.x / len) / 2, 1); // value. TODO: scale + fillStyle = this._hsv2rgb(h, s, v); + strokeStyle = fillStyle; + } + else { + v = 1; + fillStyle = this._hsv2rgb(h, s, v); + strokeStyle = this.colorAxis; + } + } + else { + fillStyle = 'gray'; + strokeStyle = this.colorAxis; + } + lineWidth = 0.5; - module.exports = Range; + ctx.lineWidth = lineWidth; + ctx.fillStyle = fillStyle; + ctx.strokeStyle = strokeStyle; + ctx.beginPath(); + ctx.moveTo(point.screen.x, point.screen.y); + ctx.lineTo(right.screen.x, right.screen.y); + ctx.lineTo(cross.screen.x, cross.screen.y); + ctx.lineTo(top.screen.x, top.screen.y); + ctx.closePath(); + ctx.fill(); + ctx.stroke(); + } + } + } + else { // grid style + for (i = 0; i < this.dataPoints.length; i++) { + point = this.dataPoints[i]; + right = this.dataPoints[i].pointRight; + top = this.dataPoints[i].pointTop; + if (point !== undefined) { + if (this.showPerspective) { + lineWidth = 2 / -point.trans.z; + } + else { + lineWidth = 2 * -(this.eye.z / this.camera.getArmLength()); + } + } -/***/ }, -/* 18 */ -/***/ function(module, exports, __webpack_require__) { + if (point !== undefined && right !== undefined) { + // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 + zAvg = (point.point.z + right.point.z) / 2; + h = (1 - (zAvg - this.zMin) * this.scale.z / this.verticalRatio) * 240; - // Utility functions for ordering and stacking of items - var EPSILON = 0.001; // used when checking collisions, to prevent round-off errors + ctx.lineWidth = lineWidth; + ctx.strokeStyle = this._hsv2rgb(h, 1, 1); + ctx.beginPath(); + ctx.moveTo(point.screen.x, point.screen.y); + ctx.lineTo(right.screen.x, right.screen.y); + ctx.stroke(); + } - /** - * Order items by their start data - * @param {Item[]} items - */ - exports.orderByStart = function(items) { - items.sort(function (a, b) { - return a.data.start - b.data.start; - }); + if (point !== undefined && top !== undefined) { + // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 + zAvg = (point.point.z + top.point.z) / 2; + h = (1 - (zAvg - this.zMin) * this.scale.z / this.verticalRatio) * 240; + + ctx.lineWidth = lineWidth; + ctx.strokeStyle = this._hsv2rgb(h, 1, 1); + ctx.beginPath(); + ctx.moveTo(point.screen.x, point.screen.y); + ctx.lineTo(top.screen.x, top.screen.y); + ctx.stroke(); + } + } + } }; + /** - * Order items by their end date. If they have no end date, their start date - * is used. - * @param {Item[]} items + * Draw all datapoints as dots. + * This function can be used when the style is 'dot' or 'dot-line' */ - exports.orderByEnd = function(items) { - items.sort(function (a, b) { - var aTime = ('end' in a.data) ? a.data.end : a.data.start, - bTime = ('end' in b.data) ? b.data.end : b.data.start; + Graph3d.prototype._redrawDataDot = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + var i; - return aTime - bTime; - }); - }; + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - /** - * Adjust vertical positions of the items such that they don't overlap each - * other. - * @param {Item[]} items - * All visible items - * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin - * Margins between items and between items and the axis. - * @param {boolean} [force=false] - * If true, all items will be repositioned. If false (default), only - * items having a top===null will be re-stacked - */ - exports.stack = function(items, margin, force) { - var i, iMax; + // calculate the translations of all points + for (i = 0; i < this.dataPoints.length; i++) { + var trans = this._convertPointToTranslation(this.dataPoints[i].point); + var screen = this._convertTranslationToScreen(trans); + this.dataPoints[i].trans = trans; + this.dataPoints[i].screen = screen; - if (force) { - // reset top position of all items - for (i = 0, iMax = items.length; i < iMax; i++) { - items[i].top = null; - } + // calculate the distance from the point at the bottom to the camera + var transBottom = this._convertPointToTranslation(this.dataPoints[i].bottom); + this.dataPoints[i].dist = this.showPerspective ? transBottom.length() : -transBottom.z; } - // calculate new, non-overlapping positions - for (i = 0, iMax = items.length; i < iMax; i++) { - var item = items[i]; - if (item.stack && item.top === null) { - // initialize top position - item.top = margin.axis; + // order the translated points by depth + var sortDepth = function (a, b) { + return b.dist - a.dist; + }; + this.dataPoints.sort(sortDepth); - do { - // TODO: optimize checking for overlap. when there is a gap without items, - // you only need to check for items from the next item on, not from zero - var collidingItem = null; - for (var j = 0, jj = items.length; j < jj; j++) { - var other = items[j]; - if (other.top !== null && other !== item && other.stack && exports.collision(item, other, margin.item)) { - collidingItem = other; - break; - } - } + // draw the datapoints as colored circles + var dotSize = this.frame.clientWidth * 0.02; // px + for (i = 0; i < this.dataPoints.length; i++) { + var point = this.dataPoints[i]; - if (collidingItem != null) { - // There is a collision. Reposition the items above the colliding element - item.top = collidingItem.top + collidingItem.height + margin.item.vertical; - } - } while (collidingItem); + if (this.style === Graph3d.STYLE.DOTLINE) { + // draw a vertical line from the bottom to the graph value + //var from = this._convert3Dto2D(new Point3d(point.point.x, point.point.y, this.zMin)); + var from = this._convert3Dto2D(point.bottom); + ctx.lineWidth = 1; + ctx.strokeStyle = this.colorGrid; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(point.screen.x, point.screen.y); + ctx.stroke(); } - } - }; + // calculate radius for the circle + var size; + if (this.style === Graph3d.STYLE.DOTSIZE) { + size = dotSize/2 + 2*dotSize * (point.point.value - this.valueMin) / (this.valueMax - this.valueMin); + } + else { + size = dotSize; + } - /** - * Adjust vertical positions of the items without stacking them - * @param {Item[]} items - * All visible items - * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin - * Margins between items and between items and the axis. - */ - exports.nostack = function(items, margin, subgroups) { - var i, iMax, newTop; + var radius; + if (this.showPerspective) { + radius = size / -point.trans.z; + } + else { + radius = size * -(this.eye.z / this.camera.getArmLength()); + } + if (radius < 0) { + radius = 0; + } - // reset top position of all items - for (i = 0, iMax = items.length; i < iMax; i++) { - if (items[i].data.subgroup !== undefined) { - newTop = margin.axis; - for (var subgroup in subgroups) { - if (subgroups.hasOwnProperty(subgroup)) { - if (subgroups[subgroup].visible == true && subgroups[subgroup].index < subgroups[items[i].data.subgroup].index) { - newTop += subgroups[subgroup].height + margin.item.vertical; - } - } - } - items[i].top = newTop; + var hue, color, borderColor; + if (this.style === Graph3d.STYLE.DOTCOLOR ) { + // calculate the color based on the value + hue = (1 - (point.point.value - this.valueMin) * this.scale.value) * 240; + color = this._hsv2rgb(hue, 1, 1); + borderColor = this._hsv2rgb(hue, 1, 0.8); + } + else if (this.style === Graph3d.STYLE.DOTSIZE) { + color = this.colorDot; + borderColor = this.colorDotBorder; } else { - items[i].top = margin.axis; + // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 + hue = (1 - (point.point.z - this.zMin) * this.scale.z / this.verticalRatio) * 240; + color = this._hsv2rgb(hue, 1, 1); + borderColor = this._hsv2rgb(hue, 1, 0.8); } + + // draw the circle + ctx.lineWidth = 1.0; + ctx.strokeStyle = borderColor; + ctx.fillStyle = color; + ctx.beginPath(); + ctx.arc(point.screen.x, point.screen.y, radius, 0, Math.PI*2, true); + ctx.fill(); + ctx.stroke(); } }; /** - * Test if the two provided items collide - * The items must have parameters left, width, top, and height. - * @param {Item} a The first item - * @param {Item} b The second item - * @param {{horizontal: number, vertical: number}} margin - * An object containing a horizontal and vertical - * minimum required margin. - * @return {boolean} true if a and b collide, else false + * Draw all datapoints as bars. + * This function can be used when the style is 'bar', 'bar-color', or 'bar-size' */ - exports.collision = function(a, b, margin) { - return ((a.left - margin.horizontal + EPSILON) < (b.left + b.width) && - (a.left + a.width + margin.horizontal - EPSILON) > b.left && - (a.top - margin.vertical + EPSILON) < (b.top + b.height) && - (a.top + a.height + margin.vertical - EPSILON) > b.top); - }; + Graph3d.prototype._redrawDataBar = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + var i, j, surface, corners; + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? -/***/ }, -/* 19 */ -/***/ function(module, exports, __webpack_require__) { + // calculate the translations of all points + for (i = 0; i < this.dataPoints.length; i++) { + var trans = this._convertPointToTranslation(this.dataPoints[i].point); + var screen = this._convertTranslationToScreen(trans); + this.dataPoints[i].trans = trans; + this.dataPoints[i].screen = screen; - var moment = __webpack_require__(44); - var DateUtil = __webpack_require__(15); - var util = __webpack_require__(1); + // calculate the distance from the point at the bottom to the camera + var transBottom = this._convertPointToTranslation(this.dataPoints[i].bottom); + this.dataPoints[i].dist = this.showPerspective ? transBottom.length() : -transBottom.z; + } - /** - * @constructor TimeStep - * The class TimeStep is an iterator for dates. You provide a start date and an - * end date. The class itself determines the best scale (step size) based on the - * provided start Date, end Date, and minimumStep. - * - * If minimumStep is provided, the step size is chosen as close as possible - * to the minimumStep but larger than minimumStep. If minimumStep is not - * provided, the scale is set to 1 DAY. - * The minimumStep should correspond with the onscreen size of about 6 characters - * - * Alternatively, you can set a scale by hand. - * After creation, you can initialize the class by executing first(). Then you - * can iterate from the start date to the end date via next(). You can check if - * the end date is reached with the function hasNext(). After each step, you can - * retrieve the current date via getCurrent(). - * The TimeStep has scales ranging from milliseconds, seconds, minutes, hours, - * days, to years. - * - * Version: 1.2 - * - * @param {Date} [start] The start date, for example new Date(2010, 9, 21) - * or new Date(2010, 9, 21, 23, 45, 00) - * @param {Date} [end] The end date - * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds - */ - function TimeStep(start, end, minimumStep, hiddenDates) { - // variables - this.current = new Date(); - this._start = new Date(); - this._end = new Date(); + // order the translated points by depth + var sortDepth = function (a, b) { + return b.dist - a.dist; + }; + this.dataPoints.sort(sortDepth); - this.autoScale = true; - this.scale = 'day'; - this.step = 1; + // draw the datapoints as bars + var xWidth = this.xBarWidth / 2; + var yWidth = this.yBarWidth / 2; + for (i = 0; i < this.dataPoints.length; i++) { + var point = this.dataPoints[i]; - // initialize the range - this.setRange(start, end, minimumStep); + // determine color + var hue, color, borderColor; + if (this.style === Graph3d.STYLE.BARCOLOR ) { + // calculate the color based on the value + hue = (1 - (point.point.value - this.valueMin) * this.scale.value) * 240; + color = this._hsv2rgb(hue, 1, 1); + borderColor = this._hsv2rgb(hue, 1, 0.8); + } + else if (this.style === Graph3d.STYLE.BARSIZE) { + color = this.colorDot; + borderColor = this.colorDotBorder; + } + else { + // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 + hue = (1 - (point.point.z - this.zMin) * this.scale.z / this.verticalRatio) * 240; + color = this._hsv2rgb(hue, 1, 1); + borderColor = this._hsv2rgb(hue, 1, 0.8); + } - // hidden Dates options - this.switchedDay = false; - this.switchedMonth = false; - this.switchedYear = false; - this.hiddenDates = hiddenDates; - if (hiddenDates === undefined) { - this.hiddenDates = []; - } + // calculate size for the bar + if (this.style === Graph3d.STYLE.BARSIZE) { + xWidth = (this.xBarWidth / 2) * ((point.point.value - this.valueMin) / (this.valueMax - this.valueMin) * 0.8 + 0.2); + yWidth = (this.yBarWidth / 2) * ((point.point.value - this.valueMin) / (this.valueMax - this.valueMin) * 0.8 + 0.2); + } - this.format = TimeStep.FORMAT; // default formatting - } + // calculate all corner points + var me = this; + var point3d = point.point; + var top = [ + {point: new Point3d(point3d.x - xWidth, point3d.y - yWidth, point3d.z)}, + {point: new Point3d(point3d.x + xWidth, point3d.y - yWidth, point3d.z)}, + {point: new Point3d(point3d.x + xWidth, point3d.y + yWidth, point3d.z)}, + {point: new Point3d(point3d.x - xWidth, point3d.y + yWidth, point3d.z)} + ]; + var bottom = [ + {point: new Point3d(point3d.x - xWidth, point3d.y - yWidth, this.zMin)}, + {point: new Point3d(point3d.x + xWidth, point3d.y - yWidth, this.zMin)}, + {point: new Point3d(point3d.x + xWidth, point3d.y + yWidth, this.zMin)}, + {point: new Point3d(point3d.x - xWidth, point3d.y + yWidth, this.zMin)} + ]; - // Time formatting - TimeStep.FORMAT = { - minorLabels: { - millisecond:'SSS', - second: 's', - minute: 'HH:mm', - hour: 'HH:mm', - weekday: 'ddd D', - day: 'D', - month: 'MMM', - year: 'YYYY' - }, - majorLabels: { - millisecond:'HH:mm:ss', - second: 'D MMMM HH:mm', - minute: 'ddd D MMMM', - hour: 'ddd D MMMM', - weekday: 'MMMM YYYY', - day: 'MMMM YYYY', - month: 'YYYY', - year: '' + // calculate screen location of the points + top.forEach(function (obj) { + obj.screen = me._convert3Dto2D(obj.point); + }); + bottom.forEach(function (obj) { + obj.screen = me._convert3Dto2D(obj.point); + }); + + // create five sides, calculate both corner points and center points + var surfaces = [ + {corners: top, center: Point3d.avg(bottom[0].point, bottom[2].point)}, + {corners: [top[0], top[1], bottom[1], bottom[0]], center: Point3d.avg(bottom[1].point, bottom[0].point)}, + {corners: [top[1], top[2], bottom[2], bottom[1]], center: Point3d.avg(bottom[2].point, bottom[1].point)}, + {corners: [top[2], top[3], bottom[3], bottom[2]], center: Point3d.avg(bottom[3].point, bottom[2].point)}, + {corners: [top[3], top[0], bottom[0], bottom[3]], center: Point3d.avg(bottom[0].point, bottom[3].point)} + ]; + point.surfaces = surfaces; + + // calculate the distance of each of the surface centers to the camera + for (j = 0; j < surfaces.length; j++) { + surface = surfaces[j]; + var transCenter = this._convertPointToTranslation(surface.center); + surface.dist = this.showPerspective ? transCenter.length() : -transCenter.z; + // TODO: this dept calculation doesn't work 100% of the cases due to perspective, + // but the current solution is fast/simple and works in 99.9% of all cases + // the issue is visible in example 14, with graph.setCameraPosition({horizontal: 2.97, vertical: 0.5, distance: 0.9}) + } + + // order the surfaces by their (translated) depth + surfaces.sort(function (a, b) { + var diff = b.dist - a.dist; + if (diff) return diff; + + // if equal depth, sort the top surface last + if (a.corners === top) return 1; + if (b.corners === top) return -1; + + // both are equal + return 0; + }); + + // draw the ordered surfaces + ctx.lineWidth = 1; + ctx.strokeStyle = borderColor; + ctx.fillStyle = color; + // NOTE: we start at j=2 instead of j=0 as we don't need to draw the two surfaces at the backside + for (j = 2; j < surfaces.length; j++) { + surface = surfaces[j]; + corners = surface.corners; + ctx.beginPath(); + ctx.moveTo(corners[3].screen.x, corners[3].screen.y); + ctx.lineTo(corners[0].screen.x, corners[0].screen.y); + ctx.lineTo(corners[1].screen.x, corners[1].screen.y); + ctx.lineTo(corners[2].screen.x, corners[2].screen.y); + ctx.lineTo(corners[3].screen.x, corners[3].screen.y); + ctx.fill(); + ctx.stroke(); + } } }; - /** - * Set custom formatting for the minor an major labels of the TimeStep. - * Both `minorLabels` and `majorLabels` are an Object with properties: - * 'millisecond, 'second, 'minute', 'hour', 'weekday, 'day, 'month, 'year'. - * @param {{minorLabels: Object, majorLabels: Object}} format - */ - TimeStep.prototype.setFormat = function (format) { - var defaultFormat = util.deepExtend({}, TimeStep.FORMAT); - this.format = util.deepExtend(defaultFormat, format); - }; /** - * Set a new range - * If minimumStep is provided, the step size is chosen as close as possible - * to the minimumStep but larger than minimumStep. If minimumStep is not - * provided, the scale is set to 1 DAY. - * The minimumStep should correspond with the onscreen size of about 6 characters - * @param {Date} [start] The start date and time. - * @param {Date} [end] The end date and time. - * @param {int} [minimumStep] Optional. Minimum step size in milliseconds + * Draw a line through all datapoints. + * This function can be used when the style is 'line' */ - TimeStep.prototype.setRange = function(start, end, minimumStep) { - if (!(start instanceof Date) || !(end instanceof Date)) { - throw "No legal start or end date in method setRange"; - } + Graph3d.prototype._redrawDataLine = function() { + var canvas = this.frame.canvas, + ctx = canvas.getContext('2d'), + point, i; - this._start = (start != undefined) ? new Date(start.valueOf()) : new Date(); - this._end = (end != undefined) ? new Date(end.valueOf()) : new Date(); + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - if (this.autoScale) { - this.setMinimumStep(minimumStep); + // calculate the translations of all points + for (i = 0; i < this.dataPoints.length; i++) { + var trans = this._convertPointToTranslation(this.dataPoints[i].point); + var screen = this._convertTranslationToScreen(trans); + + this.dataPoints[i].trans = trans; + this.dataPoints[i].screen = screen; } - }; - /** - * Set the range iterator to the start date. - */ - TimeStep.prototype.first = function() { - this.current = new Date(this._start.valueOf()); - this.roundToMinor(); - }; + // start the line + if (this.dataPoints.length > 0) { + point = this.dataPoints[0]; - /** - * Round the current date to the first minor date value - * This must be executed once when the current date is set to start Date - */ - TimeStep.prototype.roundToMinor = function() { - // round to floor - // IMPORTANT: we have no breaks in this switch! (this is no bug) - // noinspection FallThroughInSwitchStatementJS - switch (this.scale) { - case 'year': - this.current.setFullYear(this.step * Math.floor(this.current.getFullYear() / this.step)); - this.current.setMonth(0); - case 'month': this.current.setDate(1); - case 'day': // intentional fall through - case 'weekday': this.current.setHours(0); - case 'hour': this.current.setMinutes(0); - case 'minute': this.current.setSeconds(0); - case 'second': this.current.setMilliseconds(0); - //case 'millisecond': // nothing to do for milliseconds + ctx.lineWidth = 1; // TODO: make customizable + ctx.strokeStyle = 'blue'; // TODO: make customizable + ctx.beginPath(); + ctx.moveTo(point.screen.x, point.screen.y); } - if (this.step != 1) { - // round down to the first minor value that is a multiple of the current step size - switch (this.scale) { - case 'millisecond': this.current.setMilliseconds(this.current.getMilliseconds() - this.current.getMilliseconds() % this.step); break; - case 'second': this.current.setSeconds(this.current.getSeconds() - this.current.getSeconds() % this.step); break; - case 'minute': this.current.setMinutes(this.current.getMinutes() - this.current.getMinutes() % this.step); break; - case 'hour': this.current.setHours(this.current.getHours() - this.current.getHours() % this.step); break; - case 'weekday': // intentional fall through - case 'day': this.current.setDate((this.current.getDate()-1) - (this.current.getDate()-1) % this.step + 1); break; - case 'month': this.current.setMonth(this.current.getMonth() - this.current.getMonth() % this.step); break; - case 'year': this.current.setFullYear(this.current.getFullYear() - this.current.getFullYear() % this.step); break; - default: break; - } + // draw the datapoints as colored circles + for (i = 1; i < this.dataPoints.length; i++) { + point = this.dataPoints[i]; + ctx.lineTo(point.screen.x, point.screen.y); } - }; - /** - * Check if the there is a next step - * @return {boolean} true if the current date has not passed the end date - */ - TimeStep.prototype.hasNext = function () { - return (this.current.valueOf() <= this._end.valueOf()); + // finish the line + if (this.dataPoints.length > 0) { + ctx.stroke(); + } }; /** - * Do the next step + * Start a moving operation inside the provided parent element + * @param {Event} event The event that occurred (required for + * retrieving the mouse position) */ - TimeStep.prototype.next = function() { - var prev = this.current.valueOf(); - - // Two cases, needed to prevent issues with switching daylight savings - // (end of March and end of October) - if (this.current.getMonth() < 6) { - switch (this.scale) { - case 'millisecond': + Graph3d.prototype._onMouseDown = function(event) { + event = event || window.event; - this.current = new Date(this.current.valueOf() + this.step); break; - case 'second': this.current = new Date(this.current.valueOf() + this.step * 1000); break; - case 'minute': this.current = new Date(this.current.valueOf() + this.step * 1000 * 60); break; - case 'hour': - this.current = new Date(this.current.valueOf() + this.step * 1000 * 60 * 60); - // in case of skipping an hour for daylight savings, adjust the hour again (else you get: 0h 5h 9h ... instead of 0h 4h 8h ...) - var h = this.current.getHours(); - this.current.setHours(h - (h % this.step)); - break; - case 'weekday': // intentional fall through - case 'day': this.current.setDate(this.current.getDate() + this.step); break; - case 'month': this.current.setMonth(this.current.getMonth() + this.step); break; - case 'year': this.current.setFullYear(this.current.getFullYear() + this.step); break; - default: break; - } - } - else { - switch (this.scale) { - case 'millisecond': this.current = new Date(this.current.valueOf() + this.step); break; - case 'second': this.current.setSeconds(this.current.getSeconds() + this.step); break; - case 'minute': this.current.setMinutes(this.current.getMinutes() + this.step); break; - case 'hour': this.current.setHours(this.current.getHours() + this.step); break; - case 'weekday': // intentional fall through - case 'day': this.current.setDate(this.current.getDate() + this.step); break; - case 'month': this.current.setMonth(this.current.getMonth() + this.step); break; - case 'year': this.current.setFullYear(this.current.getFullYear() + this.step); break; - default: break; - } + // check if mouse is still down (may be up when focus is lost for example + // in an iframe) + if (this.leftButtonDown) { + this._onMouseUp(event); } - if (this.step != 1) { - // round down to the correct major value - switch (this.scale) { - case 'millisecond': if(this.current.getMilliseconds() < this.step) this.current.setMilliseconds(0); break; - case 'second': if(this.current.getSeconds() < this.step) this.current.setSeconds(0); break; - case 'minute': if(this.current.getMinutes() < this.step) this.current.setMinutes(0); break; - case 'hour': if(this.current.getHours() < this.step) this.current.setHours(0); break; - case 'weekday': // intentional fall through - case 'day': if(this.current.getDate() < this.step+1) this.current.setDate(1); break; - case 'month': if(this.current.getMonth() < this.step) this.current.setMonth(0); break; - case 'year': break; // nothing to do for year - default: break; - } - } + // only react on left mouse button down + this.leftButtonDown = event.which ? (event.which === 1) : (event.button === 1); + if (!this.leftButtonDown && !this.touchDown) return; - // safety mechanism: if current time is still unchanged, move to the end - if (this.current.valueOf() == prev) { - this.current = new Date(this._end.valueOf()); - } + // get mouse position (different code for IE and all other browsers) + this.startMouseX = getMouseX(event); + this.startMouseY = getMouseY(event); - DateUtil.stepOverHiddenDates(this, prev); - }; + this.startStart = new Date(this.start); + this.startEnd = new Date(this.end); + this.startArmRotation = this.camera.getArmRotation(); + this.frame.style.cursor = 'move'; - /** - * Get the current datetime - * @return {Date} current The current date - */ - TimeStep.prototype.getCurrent = function() { - return this.current; + // add event listeners to handle moving the contents + // we store the function onmousemove and onmouseup in the graph, so we can + // remove the eventlisteners lateron in the function mouseUp() + var me = this; + this.onmousemove = function (event) {me._onMouseMove(event);}; + this.onmouseup = function (event) {me._onMouseUp(event);}; + util.addEventListener(document, 'mousemove', me.onmousemove); + util.addEventListener(document, 'mouseup', me.onmouseup); + util.preventDefault(event); }; + /** - * Set a custom scale. Autoscaling will be disabled. - * For example setScale(SCALE.MINUTES, 5) will result - * in minor steps of 5 minutes, and major steps of an hour. - * - * @param {string} newScale - * A scale. Choose from 'millisecond, 'second, - * 'minute', 'hour', 'weekday, 'day, 'month, 'year'. - * @param {Number} newStep A step size, by default 1. Choose for - * example 1, 2, 5, or 10. + * Perform moving operating. + * This function activated from within the funcion Graph.mouseDown(). + * @param {Event} event Well, eehh, the event */ - TimeStep.prototype.setScale = function(newScale, newStep) { - this.scale = newScale; + Graph3d.prototype._onMouseMove = function (event) { + event = event || window.event; - if (newStep > 0) { - this.step = newStep; - } + // calculate change in mouse position + var diffX = parseFloat(getMouseX(event)) - this.startMouseX; + var diffY = parseFloat(getMouseY(event)) - this.startMouseY; - this.autoScale = false; - }; + var horizontalNew = this.startArmRotation.horizontal + diffX / 200; + var verticalNew = this.startArmRotation.vertical + diffY / 200; - /** - * Enable or disable autoscaling - * @param {boolean} enable If true, autoascaling is set true - */ - TimeStep.prototype.setAutoScale = function (enable) { - this.autoScale = enable; - }; + var snapAngle = 4; // degrees + var snapValue = Math.sin(snapAngle / 360 * 2 * Math.PI); + // snap horizontally to nice angles at 0pi, 0.5pi, 1pi, 1.5pi, etc... + // the -0.001 is to take care that the vertical axis is always drawn at the left front corner + if (Math.abs(Math.sin(horizontalNew)) < snapValue) { + horizontalNew = Math.round((horizontalNew / Math.PI)) * Math.PI - 0.001; + } + if (Math.abs(Math.cos(horizontalNew)) < snapValue) { + horizontalNew = (Math.round((horizontalNew/ Math.PI - 0.5)) + 0.5) * Math.PI - 0.001; + } - /** - * Automatically determine the scale that bests fits the provided minimum step - * @param {Number} [minimumStep] The minimum step size in milliseconds - */ - TimeStep.prototype.setMinimumStep = function(minimumStep) { - if (minimumStep == undefined) { - return; + // snap vertically to nice angles + if (Math.abs(Math.sin(verticalNew)) < snapValue) { + verticalNew = Math.round((verticalNew / Math.PI)) * Math.PI; + } + if (Math.abs(Math.cos(verticalNew)) < snapValue) { + verticalNew = (Math.round((verticalNew/ Math.PI - 0.5)) + 0.5) * Math.PI; } - //var b = asc + ds; + this.camera.setArmRotation(horizontalNew, verticalNew); + this.redraw(); - var stepYear = (1000 * 60 * 60 * 24 * 30 * 12); - var stepMonth = (1000 * 60 * 60 * 24 * 30); - var stepDay = (1000 * 60 * 60 * 24); - var stepHour = (1000 * 60 * 60); - var stepMinute = (1000 * 60); - var stepSecond = (1000); - var stepMillisecond= (1); + // fire a cameraPositionChange event + var parameters = this.getCameraPosition(); + this.emit('cameraPositionChange', parameters); - // find the smallest step that is larger than the provided minimumStep - if (stepYear*1000 > minimumStep) {this.scale = 'year'; this.step = 1000;} - if (stepYear*500 > minimumStep) {this.scale = 'year'; this.step = 500;} - if (stepYear*100 > minimumStep) {this.scale = 'year'; this.step = 100;} - if (stepYear*50 > minimumStep) {this.scale = 'year'; this.step = 50;} - if (stepYear*10 > minimumStep) {this.scale = 'year'; this.step = 10;} - if (stepYear*5 > minimumStep) {this.scale = 'year'; this.step = 5;} - if (stepYear > minimumStep) {this.scale = 'year'; this.step = 1;} - if (stepMonth*3 > minimumStep) {this.scale = 'month'; this.step = 3;} - if (stepMonth > minimumStep) {this.scale = 'month'; this.step = 1;} - if (stepDay*5 > minimumStep) {this.scale = 'day'; this.step = 5;} - if (stepDay*2 > minimumStep) {this.scale = 'day'; this.step = 2;} - if (stepDay > minimumStep) {this.scale = 'day'; this.step = 1;} - if (stepDay/2 > minimumStep) {this.scale = 'weekday'; this.step = 1;} - if (stepHour*4 > minimumStep) {this.scale = 'hour'; this.step = 4;} - if (stepHour > minimumStep) {this.scale = 'hour'; this.step = 1;} - if (stepMinute*15 > minimumStep) {this.scale = 'minute'; this.step = 15;} - if (stepMinute*10 > minimumStep) {this.scale = 'minute'; this.step = 10;} - if (stepMinute*5 > minimumStep) {this.scale = 'minute'; this.step = 5;} - if (stepMinute > minimumStep) {this.scale = 'minute'; this.step = 1;} - if (stepSecond*15 > minimumStep) {this.scale = 'second'; this.step = 15;} - if (stepSecond*10 > minimumStep) {this.scale = 'second'; this.step = 10;} - if (stepSecond*5 > minimumStep) {this.scale = 'second'; this.step = 5;} - if (stepSecond > minimumStep) {this.scale = 'second'; this.step = 1;} - if (stepMillisecond*200 > minimumStep) {this.scale = 'millisecond'; this.step = 200;} - if (stepMillisecond*100 > minimumStep) {this.scale = 'millisecond'; this.step = 100;} - if (stepMillisecond*50 > minimumStep) {this.scale = 'millisecond'; this.step = 50;} - if (stepMillisecond*10 > minimumStep) {this.scale = 'millisecond'; this.step = 10;} - if (stepMillisecond*5 > minimumStep) {this.scale = 'millisecond'; this.step = 5;} - if (stepMillisecond > minimumStep) {this.scale = 'millisecond'; this.step = 1;} + util.preventDefault(event); }; + /** - * Snap a date to a rounded value. - * The snap intervals are dependent on the current scale and step. - * @param {Date} date the date to be snapped. - * @return {Date} snappedDate + * Stop moving operating. + * This function activated from within the funcion Graph.mouseDown(). + * @param {event} event The event */ - TimeStep.prototype.snap = function(date) { - var clone = new Date(date.valueOf()); - - if (this.scale == 'year') { - var year = clone.getFullYear() + Math.round(clone.getMonth() / 12); - clone.setFullYear(Math.round(year / this.step) * this.step); - clone.setMonth(0); - clone.setDate(0); - clone.setHours(0); - clone.setMinutes(0); - clone.setSeconds(0); - clone.setMilliseconds(0); - } - else if (this.scale == 'month') { - if (clone.getDate() > 15) { - clone.setDate(1); - clone.setMonth(clone.getMonth() + 1); - // important: first set Date to 1, after that change the month. - } - else { - clone.setDate(1); - } + Graph3d.prototype._onMouseUp = function (event) { + this.frame.style.cursor = 'auto'; + this.leftButtonDown = false; - clone.setHours(0); - clone.setMinutes(0); - clone.setSeconds(0); - clone.setMilliseconds(0); - } - else if (this.scale == 'day') { - //noinspection FallthroughInSwitchStatementJS - switch (this.step) { - case 5: - case 2: - clone.setHours(Math.round(clone.getHours() / 24) * 24); break; - default: - clone.setHours(Math.round(clone.getHours() / 12) * 12); break; - } - clone.setMinutes(0); - clone.setSeconds(0); - clone.setMilliseconds(0); - } - else if (this.scale == 'weekday') { - //noinspection FallthroughInSwitchStatementJS - switch (this.step) { - case 5: - case 2: - clone.setHours(Math.round(clone.getHours() / 12) * 12); break; - default: - clone.setHours(Math.round(clone.getHours() / 6) * 6); break; - } - clone.setMinutes(0); - clone.setSeconds(0); - clone.setMilliseconds(0); - } - else if (this.scale == 'hour') { - switch (this.step) { - case 4: - clone.setMinutes(Math.round(clone.getMinutes() / 60) * 60); break; - default: - clone.setMinutes(Math.round(clone.getMinutes() / 30) * 30); break; - } - clone.setSeconds(0); - clone.setMilliseconds(0); - } else if (this.scale == 'minute') { - //noinspection FallthroughInSwitchStatementJS - switch (this.step) { - case 15: - case 10: - clone.setMinutes(Math.round(clone.getMinutes() / 5) * 5); - clone.setSeconds(0); - break; - case 5: - clone.setSeconds(Math.round(clone.getSeconds() / 60) * 60); break; - default: - clone.setSeconds(Math.round(clone.getSeconds() / 30) * 30); break; - } - clone.setMilliseconds(0); - } - else if (this.scale == 'second') { - //noinspection FallthroughInSwitchStatementJS - switch (this.step) { - case 15: - case 10: - clone.setSeconds(Math.round(clone.getSeconds() / 5) * 5); - clone.setMilliseconds(0); - break; - case 5: - clone.setMilliseconds(Math.round(clone.getMilliseconds() / 1000) * 1000); break; - default: - clone.setMilliseconds(Math.round(clone.getMilliseconds() / 500) * 500); break; - } - } - else if (this.scale == 'millisecond') { - var step = this.step > 5 ? this.step / 2 : 1; - clone.setMilliseconds(Math.round(clone.getMilliseconds() / step) * step); - } - - return clone; + // remove event listeners here + util.removeEventListener(document, 'mousemove', this.onmousemove); + util.removeEventListener(document, 'mouseup', this.onmouseup); + util.preventDefault(event); }; /** - * Check if the current value is a major value (for example when the step - * is DAY, a major value is each first day of the MONTH) - * @return {boolean} true if current date is major, else false. + * After having moved the mouse, a tooltip should pop up when the mouse is resting on a data point + * @param {Event} event A mouse move event */ - TimeStep.prototype.isMajor = function() { - if (this.switchedYear == true) { - this.switchedYear = false; - switch (this.scale) { - case 'year': - case 'month': - case 'weekday': - case 'day': - case 'hour': - case 'minute': - case 'second': - case 'millisecond': - return true; - default: - return false; - } + Graph3d.prototype._onTooltip = function (event) { + var delay = 300; // ms + var boundingRect = this.frame.getBoundingClientRect(); + var mouseX = getMouseX(event) - boundingRect.left; + var mouseY = getMouseY(event) - boundingRect.top; + + if (!this.showTooltip) { + return; } - else if (this.switchedMonth == true) { - this.switchedMonth = false; - switch (this.scale) { - case 'weekday': - case 'day': - case 'hour': - case 'minute': - case 'second': - case 'millisecond': - return true; - default: - return false; - } + + if (this.tooltipTimeout) { + clearTimeout(this.tooltipTimeout); } - else if (this.switchedDay == true) { - this.switchedDay = false; - switch (this.scale) { - case 'millisecond': - case 'second': - case 'minute': - case 'hour': - return true; - default: - return false; - } + + // (delayed) display of a tooltip only if no mouse button is down + if (this.leftButtonDown) { + this._hideTooltip(); + return; } - switch (this.scale) { - case 'millisecond': - return (this.current.getMilliseconds() == 0); - case 'second': - return (this.current.getSeconds() == 0); - case 'minute': - return (this.current.getHours() == 0) && (this.current.getMinutes() == 0); - case 'hour': - return (this.current.getHours() == 0); - case 'weekday': // intentional fall through - case 'day': - return (this.current.getDate() == 1); - case 'month': - return (this.current.getMonth() == 0); - case 'year': - return false; - default: - return false; + if (this.tooltip && this.tooltip.dataPoint) { + // tooltip is currently visible + var dataPoint = this._dataPointFromXY(mouseX, mouseY); + if (dataPoint !== this.tooltip.dataPoint) { + // datapoint changed + if (dataPoint) { + this._showTooltip(dataPoint); + } + else { + this._hideTooltip(); + } + } + } + else { + // tooltip is currently not visible + var me = this; + this.tooltipTimeout = setTimeout(function () { + me.tooltipTimeout = null; + + // show a tooltip if we have a data point + var dataPoint = me._dataPointFromXY(mouseX, mouseY); + if (dataPoint) { + me._showTooltip(dataPoint); + } + }, delay); } }; + /** + * Event handler for touchstart event on mobile devices + */ + Graph3d.prototype._onTouchStart = function(event) { + this.touchDown = true; + + var me = this; + this.ontouchmove = function (event) {me._onTouchMove(event);}; + this.ontouchend = function (event) {me._onTouchEnd(event);}; + util.addEventListener(document, 'touchmove', me.ontouchmove); + util.addEventListener(document, 'touchend', me.ontouchend); + + this._onMouseDown(event); + }; /** - * Returns formatted text for the minor axislabel, depending on the current - * date and the scale. For example when scale is MINUTE, the current time is - * formatted as "hh:mm". - * @param {Date} [date] custom date. if not provided, current date is taken + * Event handler for touchmove event on mobile devices */ - TimeStep.prototype.getLabelMinor = function(date) { - if (date == undefined) { - date = this.current; - } + Graph3d.prototype._onTouchMove = function(event) { + this._onMouseMove(event); + }; - var format = this.format.minorLabels[this.scale]; - return (format && format.length > 0) ? moment(date).format(format) : ''; + /** + * Event handler for touchend event on mobile devices + */ + Graph3d.prototype._onTouchEnd = function(event) { + this.touchDown = false; + + util.removeEventListener(document, 'touchmove', this.ontouchmove); + util.removeEventListener(document, 'touchend', this.ontouchend); + + this._onMouseUp(event); }; + /** - * Returns formatted text for the major axis label, depending on the current - * date and the scale. For example when scale is MINUTE, the major scale is - * hours, and the hour will be formatted as "hh". - * @param {Date} [date] custom date. if not provided, current date is taken + * Event handler for mouse wheel event, used to zoom the graph + * Code from http://adomas.org/javascript-mouse-wheel/ + * @param {event} event The event */ - TimeStep.prototype.getLabelMajor = function(date) { - if (date == undefined) { - date = this.current; + Graph3d.prototype._onWheel = function(event) { + if (!event) /* For IE. */ + event = window.event; + + // retrieve delta + var delta = 0; + if (event.wheelDelta) { /* IE/Opera. */ + delta = event.wheelDelta/120; + } else if (event.detail) { /* Mozilla case. */ + // In Mozilla, sign of delta is different than in IE. + // Also, delta is multiple of 3. + delta = -event.detail/3; } - var format = this.format.majorLabels[this.scale]; - return (format && format.length > 0) ? moment(date).format(format) : ''; + // If delta is nonzero, handle it. + // Basically, delta is now positive if wheel was scrolled up, + // and negative, if wheel was scrolled down. + if (delta) { + var oldLength = this.camera.getArmLength(); + var newLength = oldLength * (1 - delta / 10); + + this.camera.setArmLength(newLength); + this.redraw(); + + this._hideTooltip(); + } + + // fire a cameraPositionChange event + var parameters = this.getCameraPosition(); + this.emit('cameraPositionChange', parameters); + + // Prevent default actions caused by mouse wheel. + // That might be ugly, but we handle scrolls somehow + // anyway, so don't bother here.. + util.preventDefault(event); }; - TimeStep.prototype.getClassName = function() { - var m = moment(this.current); - var date = m.locale ? m.locale('en') : m.lang('en'); // old versions of moment have .lang() function - var step = this.step; + /** + * Test whether a point lies inside given 2D triangle + * @param {Point2d} point + * @param {Point2d[]} triangle + * @return {boolean} Returns true if given point lies inside or on the edge of the triangle + * @private + */ + Graph3d.prototype._insideTriangle = function (point, triangle) { + var a = triangle[0], + b = triangle[1], + c = triangle[2]; - function even(value) { - return (value / step % 2 == 0) ? ' even' : ' odd'; + function sign (x) { + return x > 0 ? 1 : x < 0 ? -1 : 0; } - function today(date) { - if (date.isSame(new Date(), 'day')) { - return ' today'; - } - if (date.isSame(moment().add(1, 'day'), 'day')) { - return ' tomorrow'; - } - if (date.isSame(moment().add(-1, 'day'), 'day')) { - return ' yesterday'; + var as = sign((b.x - a.x) * (point.y - a.y) - (b.y - a.y) * (point.x - a.x)); + var bs = sign((c.x - b.x) * (point.y - b.y) - (c.y - b.y) * (point.x - b.x)); + var cs = sign((a.x - c.x) * (point.y - c.y) - (a.y - c.y) * (point.x - c.x)); + + // each of the three signs must be either equal to each other or zero + return (as == 0 || bs == 0 || as == bs) && + (bs == 0 || cs == 0 || bs == cs) && + (as == 0 || cs == 0 || as == cs); + }; + + /** + * Find a data point close to given screen position (x, y) + * @param {Number} x + * @param {Number} y + * @return {Object | null} The closest data point or null if not close to any data point + * @private + */ + Graph3d.prototype._dataPointFromXY = function (x, y) { + var i, + distMax = 100, // px + dataPoint = null, + closestDataPoint = null, + closestDist = null, + center = new Point2d(x, y); + + if (this.style === Graph3d.STYLE.BAR || + this.style === Graph3d.STYLE.BARCOLOR || + this.style === Graph3d.STYLE.BARSIZE) { + // the data points are ordered from far away to closest + for (i = this.dataPoints.length - 1; i >= 0; i--) { + dataPoint = this.dataPoints[i]; + var surfaces = dataPoint.surfaces; + if (surfaces) { + for (var s = surfaces.length - 1; s >= 0; s--) { + // split each surface in two triangles, and see if the center point is inside one of these + var surface = surfaces[s]; + var corners = surface.corners; + var triangle1 = [corners[0].screen, corners[1].screen, corners[2].screen]; + var triangle2 = [corners[2].screen, corners[3].screen, corners[0].screen]; + if (this._insideTriangle(center, triangle1) || + this._insideTriangle(center, triangle2)) { + // return immediately at the first hit + return dataPoint; + } + } + } } - return ''; } + else { + // find the closest data point, using distance to the center of the point on 2d screen + for (i = 0; i < this.dataPoints.length; i++) { + dataPoint = this.dataPoints[i]; + var point = dataPoint.screen; + if (point) { + var distX = Math.abs(x - point.x); + var distY = Math.abs(y - point.y); + var dist = Math.sqrt(distX * distX + distY * distY); - function currentWeek(date) { - return date.isSame(new Date(), 'week') ? ' current-week' : ''; + if ((closestDist === null || dist < closestDist) && dist < distMax) { + closestDist = dist; + closestDataPoint = dataPoint; + } + } + } } - function currentMonth(date) { - return date.isSame(new Date(), 'month') ? ' current-month' : ''; - } - function currentYear(date) { - return date.isSame(new Date(), 'year') ? ' current-year' : ''; - } + return closestDataPoint; + }; - switch (this.scale) { - case 'millisecond': - return even(date.milliseconds()).trim(); + /** + * Display a tooltip for given data point + * @param {Object} dataPoint + * @private + */ + Graph3d.prototype._showTooltip = function (dataPoint) { + var content, line, dot; - case 'second': - return even(date.seconds()).trim(); + if (!this.tooltip) { + content = document.createElement('div'); + content.style.position = 'absolute'; + content.style.padding = '10px'; + content.style.border = '1px solid #4d4d4d'; + content.style.color = '#1a1a1a'; + content.style.background = 'rgba(255,255,255,0.7)'; + content.style.borderRadius = '2px'; + content.style.boxShadow = '5px 5px 10px rgba(128,128,128,0.5)'; - case 'minute': - return even(date.minutes()).trim(); + line = document.createElement('div'); + line.style.position = 'absolute'; + line.style.height = '40px'; + line.style.width = '0'; + line.style.borderLeft = '1px solid #4d4d4d'; - case 'hour': - var hours = date.hours(); - if (this.step == 4) { - hours = hours + '-' + (hours + 4); + dot = document.createElement('div'); + dot.style.position = 'absolute'; + dot.style.height = '0'; + dot.style.width = '0'; + dot.style.border = '5px solid #4d4d4d'; + dot.style.borderRadius = '5px'; + + this.tooltip = { + dataPoint: null, + dom: { + content: content, + line: line, + dot: dot } - return hours + 'h' + today(date) + even(date.hours()); + }; + } + else { + content = this.tooltip.dom.content; + line = this.tooltip.dom.line; + dot = this.tooltip.dom.dot; + } - case 'weekday': - return date.format('dddd').toLowerCase() + - today(date) + currentWeek(date) + even(date.date()); + this._hideTooltip(); - case 'day': - var day = date.date(); - var month = date.format('MMMM').toLowerCase(); - return 'day' + day + ' ' + month + currentMonth(date) + even(day - 1); + this.tooltip.dataPoint = dataPoint; + if (typeof this.showTooltip === 'function') { + content.innerHTML = this.showTooltip(dataPoint.point); + } + else { + content.innerHTML = '' + + '' + + '' + + '' + + '
x:' + dataPoint.point.x + '
y:' + dataPoint.point.y + '
z:' + dataPoint.point.z + '
'; + } - case 'month': - return date.format('MMMM').toLowerCase() + - currentMonth(date) + even(date.month()); + content.style.left = '0'; + content.style.top = '0'; + this.frame.appendChild(content); + this.frame.appendChild(line); + this.frame.appendChild(dot); - case 'year': - var year = date.year(); - return 'year' + year + currentYear(date)+ even(year); + // calculate sizes + var contentWidth = content.offsetWidth; + var contentHeight = content.offsetHeight; + var lineHeight = line.offsetHeight; + var dotWidth = dot.offsetWidth; + var dotHeight = dot.offsetHeight; - default: - return ''; + var left = dataPoint.screen.x - contentWidth / 2; + left = Math.min(Math.max(left, 10), this.frame.clientWidth - 10 - contentWidth); + + line.style.left = dataPoint.screen.x + 'px'; + line.style.top = (dataPoint.screen.y - lineHeight) + 'px'; + content.style.left = left + 'px'; + content.style.top = (dataPoint.screen.y - lineHeight - contentHeight) + 'px'; + dot.style.left = (dataPoint.screen.x - dotWidth / 2) + 'px'; + dot.style.top = (dataPoint.screen.y - dotHeight / 2) + 'px'; + }; + + /** + * Hide the tooltip when displayed + * @private + */ + Graph3d.prototype._hideTooltip = function () { + if (this.tooltip) { + this.tooltip.dataPoint = null; + + for (var prop in this.tooltip.dom) { + if (this.tooltip.dom.hasOwnProperty(prop)) { + var elem = this.tooltip.dom[prop]; + if (elem && elem.parentNode) { + elem.parentNode.removeChild(elem); + } + } + } } }; - module.exports = TimeStep; + /**--------------------------------------------------------------------------**/ + + + /** + * Get the horizontal mouse position from a mouse event + * @param {Event} event + * @return {Number} mouse x + */ + function getMouseX (event) { + if ('clientX' in event) return event.clientX; + return event.targetTouches[0] && event.targetTouches[0].clientX || 0; + } + + /** + * Get the vertical mouse position from a mouse event + * @param {Event} event + * @return {Number} mouse y + */ + function getMouseY (event) { + if ('clientY' in event) return event.clientY; + return event.targetTouches[0] && event.targetTouches[0].clientY || 0; + } + + module.exports = Graph3d; /***/ }, -/* 20 */ +/* 11 */ /***/ function(module, exports, __webpack_require__) { + /** - * Prototype for visual components - * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body] - * @param {Object} [options] + * Expose `Emitter`. */ - function Component (body, options) { - this.options = null; - this.props = null; - } + + module.exports = Emitter; /** - * Set options for the component. The new options will be merged into the - * current options. - * @param {Object} options + * Initialize a new `Emitter`. + * + * @api public */ - Component.prototype.setOptions = function(options) { - if (options) { - util.extend(this.options, options); - } + + function Emitter(obj) { + if (obj) return mixin(obj); }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Mixin the emitter properties. + * + * @param {Object} obj + * @return {Object} + * @api private */ - Component.prototype.redraw = function() { - // should be implemented by the component - return false; - }; + + function mixin(obj) { + for (var key in Emitter.prototype) { + obj[key] = Emitter.prototype[key]; + } + return obj; + } /** - * Destroy the component. Cleanup DOM and event listeners + * Listen on the given `event` with `fn`. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public */ - Component.prototype.destroy = function() { - // should be implemented by the component + + Emitter.prototype.on = + Emitter.prototype.addEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; + (this._callbacks[event] = this._callbacks[event] || []) + .push(fn); + return this; }; /** - * Test whether the component is resized since the last time _isResized() was - * called. - * @return {Boolean} Returns true if the component is resized - * @protected + * Adds an `event` listener that will be invoked a single + * time then automatically removed. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public */ - Component.prototype._isResized = function() { - var resized = (this.props._previousWidth !== this.props.width || - this.props._previousHeight !== this.props.height); - this.props._previousWidth = this.props.width; - this.props._previousHeight = this.props.height; + Emitter.prototype.once = function(event, fn){ + var self = this; + this._callbacks = this._callbacks || {}; - return resized; + function on() { + self.off(event, on); + fn.apply(this, arguments); + } + + on.fn = fn; + this.on(event, on); + return this; }; - module.exports = Component; + /** + * Remove the given callback for `event` or all + * registered callbacks. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + Emitter.prototype.off = + Emitter.prototype.removeListener = + Emitter.prototype.removeAllListeners = + Emitter.prototype.removeEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; -/***/ }, -/* 21 */ -/***/ function(module, exports, __webpack_require__) { + // all + if (0 == arguments.length) { + this._callbacks = {}; + return this; + } - var util = __webpack_require__(1); - var Component = __webpack_require__(20); - var moment = __webpack_require__(44); - var locales = __webpack_require__(47); + // specific event + var callbacks = this._callbacks[event]; + if (!callbacks) return this; - /** - * A current time bar - * @param {{range: Range, dom: Object, domProps: Object}} body - * @param {Object} [options] Available parameters: - * {Boolean} [showCurrentTime] - * @constructor CurrentTime - * @extends Component - */ - function CurrentTime (body, options) { - this.body = body; + // remove all handlers + if (1 == arguments.length) { + delete this._callbacks[event]; + return this; + } - // default options - this.defaultOptions = { - showCurrentTime: true, + // remove specific handler + var cb; + for (var i = 0; i < callbacks.length; i++) { + cb = callbacks[i]; + if (cb === fn || cb.fn === fn) { + callbacks.splice(i, 1); + break; + } + } + return this; + }; - locales: locales, - locale: 'en' - }; - this.options = util.extend({}, this.defaultOptions); - this.offset = 0; + /** + * Emit `event` with the given args. + * + * @param {String} event + * @param {Mixed} ... + * @return {Emitter} + */ - this._create(); + Emitter.prototype.emit = function(event){ + this._callbacks = this._callbacks || {}; + var args = [].slice.call(arguments, 1) + , callbacks = this._callbacks[event]; - this.setOptions(options); - } + if (callbacks) { + callbacks = callbacks.slice(0); + for (var i = 0, len = callbacks.length; i < len; ++i) { + callbacks[i].apply(this, args); + } + } - CurrentTime.prototype = new Component(); + return this; + }; /** - * Create the HTML DOM for the current time bar - * @private + * Return array of callbacks for `event`. + * + * @param {String} event + * @return {Array} + * @api public */ - CurrentTime.prototype._create = function() { - var bar = document.createElement('div'); - bar.className = 'currenttime'; - bar.style.position = 'absolute'; - bar.style.top = '0px'; - bar.style.height = '100%'; - this.bar = bar; + Emitter.prototype.listeners = function(event){ + this._callbacks = this._callbacks || {}; + return this._callbacks[event] || []; }; /** - * Destroy the CurrentTime bar + * Check if this emitter has `event` handlers. + * + * @param {String} event + * @return {Boolean} + * @api public */ - CurrentTime.prototype.destroy = function () { - this.options.showCurrentTime = false; - this.redraw(); // will remove the bar from the DOM and stop refreshing - this.body = null; + Emitter.prototype.hasListeners = function(event){ + return !! this.listeners(event).length; }; + +/***/ }, +/* 12 */ +/***/ function(module, exports, __webpack_require__) { + /** - * Set options for the component. Options will be merged in current options. - * @param {Object} options Available parameters: - * {boolean} [showCurrentTime] + * @prototype Point3d + * @param {Number} [x] + * @param {Number} [y] + * @param {Number} [z] */ - CurrentTime.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - util.selectiveExtend(['showCurrentTime', 'locale', 'locales'], this.options, options); - } + function Point3d(x, y, z) { + this.x = x !== undefined ? x : 0; + this.y = y !== undefined ? y : 0; + this.z = z !== undefined ? z : 0; }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Subtract the two provided points, returns a-b + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} a-b */ - CurrentTime.prototype.redraw = function() { - if (this.options.showCurrentTime) { - var parent = this.body.dom.backgroundVertical; - if (this.bar.parentNode != parent) { - // attach to the dom - if (this.bar.parentNode) { - this.bar.parentNode.removeChild(this.bar); - } - parent.appendChild(this.bar); - - this.start(); - } - - var now = new Date(new Date().valueOf() + this.offset); - var x = this.body.util.toScreen(now); - - var locale = this.options.locales[this.options.locale]; - var title = locale.current + ' ' + locale.time + ': ' + moment(now).format('dddd, MMMM Do YYYY, H:mm:ss'); - title = title.charAt(0).toUpperCase() + title.substring(1); - - this.bar.style.left = x + 'px'; - this.bar.title = title; - } - else { - // remove the line from the DOM - if (this.bar.parentNode) { - this.bar.parentNode.removeChild(this.bar); - } - this.stop(); - } - - return false; + Point3d.subtract = function(a, b) { + var sub = new Point3d(); + sub.x = a.x - b.x; + sub.y = a.y - b.y; + sub.z = a.z - b.z; + return sub; }; /** - * Start auto refreshing the current time bar + * Add the two provided points, returns a+b + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} a+b */ - CurrentTime.prototype.start = function() { - var me = this; - - function update () { - me.stop(); - - // determine interval to refresh - var scale = me.body.range.conversion(me.body.domProps.center.width).scale; - var interval = 1 / scale / 10; - if (interval < 30) interval = 30; - if (interval > 1000) interval = 1000; - - me.redraw(); - - // start a timer to adjust for the new time - me.currentTimeTimer = setTimeout(update, interval); - } - - update(); + Point3d.add = function(a, b) { + var sum = new Point3d(); + sum.x = a.x + b.x; + sum.y = a.y + b.y; + sum.z = a.z + b.z; + return sum; }; /** - * Stop auto refreshing the current time bar + * Calculate the average of two 3d points + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} The average, (a+b)/2 */ - CurrentTime.prototype.stop = function() { - if (this.currentTimeTimer !== undefined) { - clearTimeout(this.currentTimeTimer); - delete this.currentTimeTimer; - } + Point3d.avg = function(a, b) { + return new Point3d( + (a.x + b.x) / 2, + (a.y + b.y) / 2, + (a.z + b.z) / 2 + ); }; /** - * Set a current time. This can be used for example to ensure that a client's - * time is synchronized with a shared server time. - * @param {Date | String | Number} time A Date, unix timestamp, or - * ISO date string. + * Calculate the cross product of the two provided points, returns axb + * Documentation: http://en.wikipedia.org/wiki/Cross_product + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} cross product axb */ - CurrentTime.prototype.setCurrentTime = function(time) { - var t = util.convert(time, 'Date').valueOf(); - var now = new Date().valueOf(); - this.offset = t - now; - this.redraw(); + Point3d.crossProduct = function(a, b) { + var crossproduct = new Point3d(); + + crossproduct.x = a.y * b.z - a.z * b.y; + crossproduct.y = a.z * b.x - a.x * b.z; + crossproduct.z = a.x * b.y - a.y * b.x; + + return crossproduct; }; + /** - * Get the current time. - * @return {Date} Returns the current time. + * Rtrieve the length of the vector (or the distance from this point to the origin + * @return {Number} length */ - CurrentTime.prototype.getCurrentTime = function() { - return new Date(new Date().valueOf() + this.offset); + Point3d.prototype.length = function() { + return Math.sqrt( + this.x * this.x + + this.y * this.y + + this.z * this.z + ); }; - module.exports = CurrentTime; + module.exports = Point3d; /***/ }, -/* 22 */ +/* 13 */ /***/ function(module, exports, __webpack_require__) { - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); - var Component = __webpack_require__(20); - var moment = __webpack_require__(44); - var locales = __webpack_require__(47); - /** - * A custom time bar - * @param {{range: Range, dom: Object}} body - * @param {Object} [options] Available parameters: - * {Boolean} [showCustomTime] - * @constructor CustomTime - * @extends Component + * @prototype Point2d + * @param {Number} [x] + * @param {Number} [y] */ + function Point2d (x, y) { + this.x = x !== undefined ? x : 0; + this.y = y !== undefined ? y : 0; + } - function CustomTime (body, options) { - this.body = body; + module.exports = Point2d; - // default options - this.defaultOptions = { - showCustomTime: false, - locales: locales, - locale: 'en' - }; - this.options = util.extend({}, this.defaultOptions); - this.customTime = new Date(); - this.eventParams = {}; // stores state parameters while dragging the bar +/***/ }, +/* 14 */ +/***/ function(module, exports, __webpack_require__) { - // create the DOM - this._create(); + var Point3d = __webpack_require__(12); - this.setOptions(options); - } + /** + * @class Camera + * The camera is mounted on a (virtual) camera arm. The camera arm can rotate + * The camera is always looking in the direction of the origin of the arm. + * This way, the camera always rotates around one fixed point, the location + * of the camera arm. + * + * Documentation: + * http://en.wikipedia.org/wiki/3D_projection + */ + function Camera() { + this.armLocation = new Point3d(); + this.armRotation = {}; + this.armRotation.horizontal = 0; + this.armRotation.vertical = 0; + this.armLength = 1.7; - CustomTime.prototype = new Component(); + this.cameraLocation = new Point3d(); + this.cameraRotation = new Point3d(0.5*Math.PI, 0, 0); + + this.calculateCameraOrientation(); + } /** - * Set options for the component. Options will be merged in current options. - * @param {Object} options Available parameters: - * {boolean} [showCustomTime] + * Set the location (origin) of the arm + * @param {Number} x Normalized value of x + * @param {Number} y Normalized value of y + * @param {Number} z Normalized value of z */ - CustomTime.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - util.selectiveExtend(['showCustomTime', 'locale', 'locales'], this.options, options); - } + Camera.prototype.setArmLocation = function(x, y, z) { + this.armLocation.x = x; + this.armLocation.y = y; + this.armLocation.z = z; + + this.calculateCameraOrientation(); }; /** - * Create the DOM for the custom time - * @private + * Set the rotation of the camera arm + * @param {Number} horizontal The horizontal rotation, between 0 and 2*PI. + * Optional, can be left undefined. + * @param {Number} vertical The vertical rotation, between 0 and 0.5*PI + * if vertical=0.5*PI, the graph is shown from the + * top. Optional, can be left undefined. */ - CustomTime.prototype._create = function() { - var bar = document.createElement('div'); - bar.className = 'customtime'; - bar.style.position = 'absolute'; - bar.style.top = '0px'; - bar.style.height = '100%'; - this.bar = bar; + Camera.prototype.setArmRotation = function(horizontal, vertical) { + if (horizontal !== undefined) { + this.armRotation.horizontal = horizontal; + } - var drag = document.createElement('div'); - drag.style.position = 'relative'; - drag.style.top = '0px'; - drag.style.left = '-10px'; - drag.style.height = '100%'; - drag.style.width = '20px'; - bar.appendChild(drag); + if (vertical !== undefined) { + this.armRotation.vertical = vertical; + if (this.armRotation.vertical < 0) this.armRotation.vertical = 0; + if (this.armRotation.vertical > 0.5*Math.PI) this.armRotation.vertical = 0.5*Math.PI; + } - // attach event listeners - this.hammer = Hammer(bar, { - prevent_default: true - }); - this.hammer.on('dragstart', this._onDragStart.bind(this)); - this.hammer.on('drag', this._onDrag.bind(this)); - this.hammer.on('dragend', this._onDragEnd.bind(this)); + if (horizontal !== undefined || vertical !== undefined) { + this.calculateCameraOrientation(); + } }; /** - * Destroy the CustomTime bar + * Retrieve the current arm rotation + * @return {object} An object with parameters horizontal and vertical */ - CustomTime.prototype.destroy = function () { - this.options.showCustomTime = false; - this.redraw(); // will remove the bar from the DOM - - this.hammer.enable(false); - this.hammer = null; + Camera.prototype.getArmRotation = function() { + var rot = {}; + rot.horizontal = this.armRotation.horizontal; + rot.vertical = this.armRotation.vertical; - this.body = null; + return rot; }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Set the (normalized) length of the camera arm. + * @param {Number} length A length between 0.71 and 5.0 */ - CustomTime.prototype.redraw = function () { - if (this.options.showCustomTime) { - var parent = this.body.dom.backgroundVertical; - if (this.bar.parentNode != parent) { - // attach to the dom - if (this.bar.parentNode) { - this.bar.parentNode.removeChild(this.bar); - } - parent.appendChild(this.bar); - } - - var x = this.body.util.toScreen(this.customTime); - - var locale = this.options.locales[this.options.locale]; - var title = locale.time + ': ' + moment(this.customTime).format('dddd, MMMM Do YYYY, H:mm:ss'); - title = title.charAt(0).toUpperCase() + title.substring(1); + Camera.prototype.setArmLength = function(length) { + if (length === undefined) + return; - this.bar.style.left = x + 'px'; - this.bar.title = title; - } - else { - // remove the line from the DOM - if (this.bar.parentNode) { - this.bar.parentNode.removeChild(this.bar); - } - } + this.armLength = length; - return false; - }; + // Radius must be larger than the corner of the graph, + // which has a distance of sqrt(0.5^2+0.5^2) = 0.71 from the center of the + // graph + if (this.armLength < 0.71) this.armLength = 0.71; + if (this.armLength > 5.0) this.armLength = 5.0; - /** - * Set custom time. - * @param {Date | number | string} time - */ - CustomTime.prototype.setCustomTime = function(time) { - this.customTime = util.convert(time, 'Date'); - this.redraw(); + this.calculateCameraOrientation(); }; /** - * Retrieve the current custom time. - * @return {Date} customTime + * Retrieve the arm length + * @return {Number} length */ - CustomTime.prototype.getCustomTime = function() { - return new Date(this.customTime.valueOf()); + Camera.prototype.getArmLength = function() { + return this.armLength; }; /** - * Start moving horizontally - * @param {Event} event - * @private + * Retrieve the camera location + * @return {Point3d} cameraLocation */ - CustomTime.prototype._onDragStart = function(event) { - this.eventParams.dragging = true; - this.eventParams.customTime = this.customTime; - - event.stopPropagation(); - event.preventDefault(); + Camera.prototype.getCameraLocation = function() { + return this.cameraLocation; }; /** - * Perform moving operating. - * @param {Event} event - * @private + * Retrieve the camera rotation + * @return {Point3d} cameraRotation */ - CustomTime.prototype._onDrag = function (event) { - if (!this.eventParams.dragging) return; - - var deltaX = event.gesture.deltaX, - x = this.body.util.toScreen(this.eventParams.customTime) + deltaX, - time = this.body.util.toTime(x); - - this.setCustomTime(time); - - // fire a timechange event - this.body.emitter.emit('timechange', { - time: new Date(this.customTime.valueOf()) - }); - - event.stopPropagation(); - event.preventDefault(); + Camera.prototype.getCameraRotation = function() { + return this.cameraRotation; }; /** - * Stop moving operating. - * @param {event} event - * @private + * Calculate the location and rotation of the camera based on the + * position and orientation of the camera arm */ - CustomTime.prototype._onDragEnd = function (event) { - if (!this.eventParams.dragging) return; - - // fire a timechanged event - this.body.emitter.emit('timechanged', { - time: new Date(this.customTime.valueOf()) - }); + Camera.prototype.calculateCameraOrientation = function() { + // calculate location of the camera + this.cameraLocation.x = this.armLocation.x - this.armLength * Math.sin(this.armRotation.horizontal) * Math.cos(this.armRotation.vertical); + this.cameraLocation.y = this.armLocation.y - this.armLength * Math.cos(this.armRotation.horizontal) * Math.cos(this.armRotation.vertical); + this.cameraLocation.z = this.armLocation.z + this.armLength * Math.sin(this.armRotation.vertical); - event.stopPropagation(); - event.preventDefault(); + // calculate rotation of the camera + this.cameraRotation.x = Math.PI/2 - this.armRotation.vertical; + this.cameraRotation.y = 0; + this.cameraRotation.z = -this.armRotation.horizontal; }; - module.exports = CustomTime; - + module.exports = Camera; /***/ }, -/* 23 */ +/* 15 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - var Component = __webpack_require__(20); - var DataStep = __webpack_require__(16); + var DataView = __webpack_require__(9); /** - * A horizontal time axis - * @param {Object} [options] See DataAxis.setOptions for the available - * options. - * @constructor DataAxis - * @extends Component - * @param body - */ - function DataAxis (body, options, svg, linegraphOptions) { - this.id = util.randomUUID(); - this.body = body; - - this.defaultOptions = { - orientation: 'left', // supported: 'left', 'right' - showMinorLabels: true, - showMajorLabels: true, - icons: true, - majorLinesOffset: 7, - minorLinesOffset: 4, - labelOffsetX: 10, - labelOffsetY: 2, - iconWidth: 20, - width: '40px', - visible: true, - alignZeros: true, - customRange: { - left: {min:undefined, max:undefined}, - right: {min:undefined, max:undefined} - }, - title: { - left: {text:undefined}, - right: {text:undefined} - }, - format: { - left: {decimals: undefined}, - right: {decimals: undefined} - } - }; - - this.linegraphOptions = linegraphOptions; - this.linegraphSVG = svg; - this.props = {}; - this.DOMelements = { // dynamic elements - lines: {}, - labels: {}, - title: {} - }; - - this.dom = {}; - - this.range = {start:0, end:0}; - - this.options = util.extend({}, this.defaultOptions); - this.conversionFactor = 1; - - this.setOptions(options); - this.width = Number(('' + this.options.width).replace("px","")); - this.minWidth = this.width; - this.height = this.linegraphSVG.offsetHeight; - this.hidden = false; - - this.stepPixels = 25; - this.stepPixelsForced = 25; - this.zeroCrossing = -1; - - this.lineOffset = 0; - this.master = true; - this.svgElements = {}; - this.iconsRemoved = false; - - - this.groups = {}; - this.amountOfGroups = 0; - - // create the HTML DOM - this._create(); - - var me = this; - this.body.emitter.on("verticalDrag", function() { - me.dom.lineContainer.style.top = me.body.domProps.scrollTop + 'px'; - }); - } - - DataAxis.prototype = new Component(); + * @class Filter + * + * @param {DataSet} data The google data table + * @param {Number} column The index of the column to be filtered + * @param {Graph} graph The graph + */ + function Filter (data, column, graph) { + this.data = data; + this.column = column; + this.graph = graph; // the parent graph + this.index = undefined; + this.value = undefined; - DataAxis.prototype.addGroup = function(label, graphOptions) { - if (!this.groups.hasOwnProperty(label)) { - this.groups[label] = graphOptions; - } - this.amountOfGroups += 1; - }; + // read all distinct values and select the first one + this.values = graph.getDistinctValues(data.get(), this.column); - DataAxis.prototype.updateGroup = function(label, graphOptions) { - this.groups[label] = graphOptions; - }; + // sort both numeric and string values correctly + this.values.sort(function (a, b) { + return a > b ? 1 : a < b ? -1 : 0; + }); - DataAxis.prototype.removeGroup = function(label) { - if (this.groups.hasOwnProperty(label)) { - delete this.groups[label]; - this.amountOfGroups -= 1; + if (this.values.length > 0) { + this.selectValue(0); } - }; + // create an array with the filtered datapoints. this will be loaded afterwards + this.dataPoints = []; - DataAxis.prototype.setOptions = function (options) { - if (options) { - var redraw = false; - if (this.options.orientation != options.orientation && options.orientation !== undefined) { - redraw = true; - } - var fields = [ - 'orientation', - 'showMinorLabels', - 'showMajorLabels', - 'icons', - 'majorLinesOffset', - 'minorLinesOffset', - 'labelOffsetX', - 'labelOffsetY', - 'iconWidth', - 'width', - 'visible', - 'customRange', - 'title', - 'format', - 'alignZeros' - ]; - util.selectiveExtend(fields, this.options, options); - - this.minWidth = Number(('' + this.options.width).replace("px","")); + this.loaded = false; + this.onLoadCallback = undefined; - if (redraw == true && this.dom.frame) { - this.hide(); - this.show(); - } + if (graph.animationPreload) { + this.loaded = false; + this.loadInBackground(); + } + else { + this.loaded = true; } }; /** - * Create the HTML DOM for the DataAxis + * Return the label + * @return {string} label */ - DataAxis.prototype._create = function() { - this.dom.frame = document.createElement('div'); - this.dom.frame.style.width = this.options.width; - this.dom.frame.style.height = this.height; - - this.dom.lineContainer = document.createElement('div'); - this.dom.lineContainer.style.width = '100%'; - this.dom.lineContainer.style.height = this.height; - this.dom.lineContainer.style.position = 'relative'; - - // create svg element for graph drawing. - this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); - this.svg.style.position = "absolute"; - this.svg.style.top = '0px'; - this.svg.style.height = '100%'; - this.svg.style.width = '100%'; - this.svg.style.display = "block"; - this.dom.frame.appendChild(this.svg); + Filter.prototype.isLoaded = function() { + return this.loaded; }; - DataAxis.prototype._redrawGroupIcons = function () { - DOMutil.prepareElements(this.svgElements); - - var x; - var iconWidth = this.options.iconWidth; - var iconHeight = 15; - var iconOffset = 4; - var y = iconOffset + 0.5 * iconHeight; - if (this.options.orientation == 'left') { - x = iconOffset; - } - else { - x = this.width - iconWidth - iconOffset; - } + /** + * Return the loaded progress + * @return {Number} percentage between 0 and 100 + */ + Filter.prototype.getLoadedProgress = function() { + var len = this.values.length; - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { - this.groups[groupId].drawIcon(x, y, this.svgElements, this.svg, iconWidth, iconHeight); - y += iconHeight + iconOffset; - } - } + var i = 0; + while (this.dataPoints[i]) { + i++; } - DOMutil.cleanupElements(this.svgElements); - this.iconsRemoved = false; + return Math.round(i / len * 100); }; - DataAxis.prototype._cleanupIcons = function() { - if (this.iconsRemoved == false) { - DOMutil.prepareElements(this.svgElements); - DOMutil.cleanupElements(this.svgElements); - this.iconsRemoved = true; - } - } /** - * Create the HTML DOM for the DataAxis + * Return the label + * @return {string} label */ - DataAxis.prototype.show = function() { - this.hidden = false; - if (!this.dom.frame.parentNode) { - if (this.options.orientation == 'left') { - this.body.dom.left.appendChild(this.dom.frame); - } - else { - this.body.dom.right.appendChild(this.dom.frame); - } - } + Filter.prototype.getLabel = function() { + return this.graph.filterLabel; + }; - if (!this.dom.lineContainer.parentNode) { - this.body.dom.backgroundHorizontal.appendChild(this.dom.lineContainer); - } + + /** + * Return the columnIndex of the filter + * @return {Number} columnIndex + */ + Filter.prototype.getColumn = function() { + return this.column; }; /** - * Create the HTML DOM for the DataAxis + * Return the currently selected value. Returns undefined if there is no selection + * @return {*} value */ - DataAxis.prototype.hide = function() { - this.hidden = true; - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } + Filter.prototype.getSelectedValue = function() { + if (this.index === undefined) + return undefined; - if (this.dom.lineContainer.parentNode) { - this.dom.lineContainer.parentNode.removeChild(this.dom.lineContainer); - } + return this.values[this.index]; }; /** - * Set a range (start and end) - * @param end - * @param start - * @param end + * Retrieve all values of the filter + * @return {Array} values */ - DataAxis.prototype.setRange = function (start, end) { - if (this.master == false && this.options.alignZeros == true && this.zeroCrossing != -1) { - if (start > 0) { - start = 0; - } - } - this.range.start = start; - this.range.end = end; + Filter.prototype.getValues = function() { + return this.values; }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Retrieve one value of the filter + * @param {Number} index + * @return {*} value */ - DataAxis.prototype.redraw = function () { - var resized = false; - var activeGroups = 0; - - // Make sure the line container adheres to the vertical scrolling. - this.dom.lineContainer.style.top = this.body.domProps.scrollTop + 'px'; - - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { - activeGroups++; - } - } - } - if (this.amountOfGroups == 0 || activeGroups == 0) { - this.hide(); - } - else { - this.show(); - this.height = Number(this.linegraphSVG.style.height.replace("px","")); - - // svg offsetheight did not work in firefox and explorer... - this.dom.lineContainer.style.height = this.height + 'px'; - this.width = this.options.visible == true ? Number(('' + this.options.width).replace("px","")) : 0; + Filter.prototype.getValue = function(index) { + if (index >= this.values.length) + throw 'Error: index out of range'; - var props = this.props; - var frame = this.dom.frame; + return this.values[index]; + }; - // update classname - frame.className = 'dataaxis'; - // calculate character width and height - this._calculateCharSize(); + /** + * Retrieve the (filtered) dataPoints for the currently selected filter index + * @param {Number} [index] (optional) + * @return {Array} dataPoints + */ + Filter.prototype._getDataPoints = function(index) { + if (index === undefined) + index = this.index; - var orientation = this.options.orientation; - var showMinorLabels = this.options.showMinorLabels; - var showMajorLabels = this.options.showMajorLabels; + if (index === undefined) + return []; - // determine the width and height of the elements for the axis - props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; - props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; + var dataPoints; + if (this.dataPoints[index]) { + dataPoints = this.dataPoints[index]; + } + else { + var f = {}; + f.column = this.column; + f.value = this.values[index]; - props.minorLineWidth = this.body.dom.backgroundHorizontal.offsetWidth - this.lineOffset - this.width + 2 * this.options.minorLinesOffset; - props.minorLineHeight = 1; - props.majorLineWidth = this.body.dom.backgroundHorizontal.offsetWidth - this.lineOffset - this.width + 2 * this.options.majorLinesOffset; - props.majorLineHeight = 1; + var dataView = new DataView(this.data,{filter: function (item) {return (item[f.column] == f.value);}}).get(); + dataPoints = this.graph._getDataPoints(dataView); - // take frame offline while updating (is almost twice as fast) - if (orientation == 'left') { - frame.style.top = '0'; - frame.style.left = '0'; - frame.style.bottom = ''; - frame.style.width = this.width + 'px'; - frame.style.height = this.height + "px"; - this.props.width = this.body.domProps.left.width; - this.props.height = this.body.domProps.left.height; - } - else { // right - frame.style.top = ''; - frame.style.bottom = '0'; - frame.style.left = '0'; - frame.style.width = this.width + 'px'; - frame.style.height = this.height + "px"; - this.props.width = this.body.domProps.right.width; - this.props.height = this.body.domProps.right.height; - } + this.dataPoints[index] = dataPoints; + } - resized = this._redrawLabels(); - resized = this._isResized() || resized; + return dataPoints; + }; - if (this.options.icons == true) { - this._redrawGroupIcons(); - } - else { - this._cleanupIcons(); - } - this._redrawTitle(orientation); - } - return resized; - }; /** - * Repaint major and minor text labels and vertical grid lines - * @private + * Set a callback function when the filter is fully loaded. */ - DataAxis.prototype._redrawLabels = function () { - var resized = false; - DOMutil.prepareElements(this.DOMelements.lines); - DOMutil.prepareElements(this.DOMelements.labels); + Filter.prototype.setOnLoadCallback = function(callback) { + this.onLoadCallback = callback; + }; - var orientation = this.options['orientation']; - // calculate range and step (step such that we have space for 7 characters per label) - var minimumStep = this.master ? this.props.majorCharHeight || 10 : this.stepPixelsForced; + /** + * Add a value to the list with available values for this filter + * No double entries will be created. + * @param {Number} index + */ + Filter.prototype.selectValue = function(index) { + if (index >= this.values.length) + throw 'Error: index out of range'; - var step = new DataStep( - this.range.start, - this.range.end, - minimumStep, - this.dom.frame.offsetHeight, - this.options.customRange[this.options.orientation], - this.master == false && this.options.alignZeros // doess the step have to align zeros? only if not master and the options is on - ); + this.index = index; + this.value = this.values[index]; + }; - this.step = step; - // get the distance in pixels for a step - // dead space is space that is "left over" after a step - var stepPixels = (this.dom.frame.offsetHeight - (step.deadSpace * (this.dom.frame.offsetHeight / step.marginRange))) / (((step.marginRange - step.deadSpace) / step.step)); + /** + * Load all filtered rows in the background one by one + * Start this method without providing an index! + */ + Filter.prototype.loadInBackground = function(index) { + if (index === undefined) + index = 0; - this.stepPixels = stepPixels; + var frame = this.graph.frame; - var amountOfSteps = this.height / stepPixels; - var stepDifference = 0; + if (index < this.values.length) { + var dataPointsTemp = this._getDataPoints(index); + //this.graph.redrawInfo(); // TODO: not neat - // the slave axis needs to use the same horizontal lines as the master axis. - if (this.master == false) { - stepPixels = this.stepPixelsForced; - stepDifference = Math.round((this.dom.frame.offsetHeight / stepPixels) - amountOfSteps); - for (var i = 0; i < 0.5 * stepDifference; i++) { - step.previous(); + // create a progress box + if (frame.progress === undefined) { + frame.progress = document.createElement('DIV'); + frame.progress.style.position = 'absolute'; + frame.progress.style.color = 'gray'; + frame.appendChild(frame.progress); } - amountOfSteps = this.height / stepPixels; + var progress = this.getLoadedProgress(); + frame.progress.innerHTML = 'Loading animation... ' + progress + '%'; + // TODO: this is no nice solution... + frame.progress.style.bottom = 60 + 'px'; // TODO: use height of slider + frame.progress.style.left = 10 + 'px'; - if (this.zeroCrossing != -1 && this.options.alignZeros == true) { - var zeroStepDifference = (step.marginEnd / step.step) - this.zeroCrossing; - if (zeroStepDifference > 0) { - for (var i = 0; i < zeroStepDifference; i++) {step.next();} - } - else if (zeroStepDifference < 0) { - for (var i = 0; i < -zeroStepDifference; i++) {step.previous();} - } - } + var me = this; + setTimeout(function() {me.loadInBackground(index+1);}, 10); + this.loaded = false; } else { - amountOfSteps += 0.25; + this.loaded = true; + + // remove the progress box + if (frame.progress !== undefined) { + frame.removeChild(frame.progress); + frame.progress = undefined; + } + + if (this.onLoadCallback) + this.onLoadCallback(); } + }; + module.exports = Filter; - this.valueAtZero = step.marginEnd; - var marginStartPos = 0; - // do not draw the first label - var max = 1; +/***/ }, +/* 16 */ +/***/ function(module, exports, __webpack_require__) { - // Get the number of decimal places - var decimals; - if(this.options.format[orientation] !== undefined) { - decimals = this.options.format[orientation].decimals; - } + var util = __webpack_require__(1); - this.maxLabelSize = 0; - var y = 0; - while (max < Math.round(amountOfSteps)) { - step.next(); - y = Math.round(max * stepPixels); - marginStartPos = max * stepPixels; - var isMajor = step.isMajor(); + /** + * @constructor Slider + * + * An html slider control with start/stop/prev/next buttons + * @param {Element} container The element where the slider will be created + * @param {Object} options Available options: + * {boolean} visible If true (default) the + * slider is visible. + */ + function Slider(container, options) { + if (container === undefined) { + throw 'Error: No container element defined'; + } + this.container = container; + this.visible = (options && options.visible != undefined) ? options.visible : true; - if (this.options['showMinorLabels'] && isMajor == false || this.master == false && this.options['showMinorLabels'] == true) { - this._redrawLabel(y - 2, step.getCurrent(decimals), orientation, 'yAxis minor', this.props.minorCharHeight); - } + if (this.visible) { + this.frame = document.createElement('DIV'); + //this.frame.style.backgroundColor = '#E5E5E5'; + this.frame.style.width = '100%'; + this.frame.style.position = 'relative'; + this.container.appendChild(this.frame); - if (isMajor && this.options['showMajorLabels'] && this.master == true || - this.options['showMinorLabels'] == false && this.master == false && isMajor == true) { - if (y >= 0) { - this._redrawLabel(y - 2, step.getCurrent(decimals), orientation, 'yAxis major', this.props.majorCharHeight); - } - this._redrawLine(y, orientation, 'grid horizontal major', this.options.majorLinesOffset, this.props.majorLineWidth); - } - else { - this._redrawLine(y, orientation, 'grid horizontal minor', this.options.minorLinesOffset, this.props.minorLineWidth); - } + this.frame.prev = document.createElement('INPUT'); + this.frame.prev.type = 'BUTTON'; + this.frame.prev.value = 'Prev'; + this.frame.appendChild(this.frame.prev); - if (this.master == true && step.current == 0) { - this.zeroCrossing = max; - } + this.frame.play = document.createElement('INPUT'); + this.frame.play.type = 'BUTTON'; + this.frame.play.value = 'Play'; + this.frame.appendChild(this.frame.play); - max++; - } + this.frame.next = document.createElement('INPUT'); + this.frame.next.type = 'BUTTON'; + this.frame.next.value = 'Next'; + this.frame.appendChild(this.frame.next); - if (this.master == false) { - this.conversionFactor = y / (this.valueAtZero - step.current); - } - else { - this.conversionFactor = this.dom.frame.offsetHeight / step.marginRange; - } + this.frame.bar = document.createElement('INPUT'); + this.frame.bar.type = 'BUTTON'; + this.frame.bar.style.position = 'absolute'; + this.frame.bar.style.border = '1px solid red'; + this.frame.bar.style.width = '100px'; + this.frame.bar.style.height = '6px'; + this.frame.bar.style.borderRadius = '2px'; + this.frame.bar.style.MozBorderRadius = '2px'; + this.frame.bar.style.border = '1px solid #7F7F7F'; + this.frame.bar.style.backgroundColor = '#E5E5E5'; + this.frame.appendChild(this.frame.bar); - // Note that title is rotated, so we're using the height, not width! - var titleWidth = 0; - if (this.options.title[orientation] !== undefined && this.options.title[orientation].text !== undefined) { - titleWidth = this.props.titleCharHeight; - } - var offset = this.options.icons == true ? Math.max(this.options.iconWidth, titleWidth) + this.options.labelOffsetX + 15 : titleWidth + this.options.labelOffsetX + 15; + this.frame.slide = document.createElement('INPUT'); + this.frame.slide.type = 'BUTTON'; + this.frame.slide.style.margin = '0px'; + this.frame.slide.value = ' '; + this.frame.slide.style.position = 'relative'; + this.frame.slide.style.left = '-100px'; + this.frame.appendChild(this.frame.slide); - // this will resize the yAxis to accommodate the labels. - if (this.maxLabelSize > (this.width - offset) && this.options.visible == true) { - this.width = this.maxLabelSize + offset; - this.options.width = this.width + "px"; - DOMutil.cleanupElements(this.DOMelements.lines); - DOMutil.cleanupElements(this.DOMelements.labels); - this.redraw(); - resized = true; - } - // this will resize the yAxis if it is too big for the labels. - else if (this.maxLabelSize < (this.width - offset) && this.options.visible == true && this.width > this.minWidth) { - this.width = Math.max(this.minWidth,this.maxLabelSize + offset); - this.options.width = this.width + "px"; - DOMutil.cleanupElements(this.DOMelements.lines); - DOMutil.cleanupElements(this.DOMelements.labels); - this.redraw(); - resized = true; - } - else { - DOMutil.cleanupElements(this.DOMelements.lines); - DOMutil.cleanupElements(this.DOMelements.labels); - resized = false; + // create events + var me = this; + this.frame.slide.onmousedown = function (event) {me._onMouseDown(event);}; + this.frame.prev.onclick = function (event) {me.prev(event);}; + this.frame.play.onclick = function (event) {me.togglePlay(event);}; + this.frame.next.onclick = function (event) {me.next(event);}; } - return resized; + this.onChangeCallback = undefined; + + this.values = []; + this.index = undefined; + + this.playTimeout = undefined; + this.playInterval = 1000; // milliseconds + this.playLoop = true; + } + + /** + * Select the previous index + */ + Slider.prototype.prev = function() { + var index = this.getIndex(); + if (index > 0) { + index--; + this.setIndex(index); + } }; - DataAxis.prototype.convertValue = function (value) { - var invertedValue = this.valueAtZero - value; - var convertedValue = invertedValue * this.conversionFactor; - return convertedValue; + /** + * Select the next index + */ + Slider.prototype.next = function() { + var index = this.getIndex(); + if (index < this.values.length - 1) { + index++; + this.setIndex(index); + } }; /** - * Create a label for the axis at position x - * @private - * @param y - * @param text - * @param orientation - * @param className - * @param characterHeight + * Select the next index */ - DataAxis.prototype._redrawLabel = function (y, text, orientation, className, characterHeight) { - // reuse redundant label - var label = DOMutil.getDOMElement('div',this.DOMelements.labels, this.dom.frame); //this.dom.redundant.labels.shift(); - label.className = className; - label.innerHTML = text; - if (orientation == 'left') { - label.style.left = '-' + this.options.labelOffsetX + 'px'; - label.style.textAlign = "right"; + Slider.prototype.playNext = function() { + var start = new Date(); + + var index = this.getIndex(); + if (index < this.values.length - 1) { + index++; + this.setIndex(index); } - else { - label.style.right = '-' + this.options.labelOffsetX + 'px'; - label.style.textAlign = "left"; + else if (this.playLoop) { + // jump to the start + index = 0; + this.setIndex(index); } - label.style.top = y - 0.5 * characterHeight + this.options.labelOffsetY + 'px'; + var end = new Date(); + var diff = (end - start); - text += ''; + // calculate how much time it to to set the index and to execute the callback + // function. + var interval = Math.max(this.playInterval - diff, 0); + // document.title = diff // TODO: cleanup - var largestWidth = Math.max(this.props.majorCharWidth,this.props.minorCharWidth); - if (this.maxLabelSize < text.length * largestWidth) { - this.maxLabelSize = text.length * largestWidth; - } + var me = this; + this.playTimeout = setTimeout(function() {me.playNext();}, interval); }; /** - * Create a minor line for the axis at position y - * @param y - * @param orientation - * @param className - * @param offset - * @param width + * Toggle start or stop playing */ - DataAxis.prototype._redrawLine = function (y, orientation, className, offset, width) { - if (this.master == true) { - var line = DOMutil.getDOMElement('div',this.DOMelements.lines, this.dom.lineContainer);//this.dom.redundant.lines.shift(); - line.className = className; - line.innerHTML = ''; - - if (orientation == 'left') { - line.style.left = (this.width - offset) + 'px'; - } - else { - line.style.right = (this.width - offset) + 'px'; - } - - line.style.width = width + 'px'; - line.style.top = y + 'px'; + Slider.prototype.togglePlay = function() { + if (this.playTimeout === undefined) { + this.play(); + } else { + this.stop(); } }; /** - * Create a title for the axis - * @private - * @param orientation + * Start playing */ - DataAxis.prototype._redrawTitle = function (orientation) { - DOMutil.prepareElements(this.DOMelements.title); - - // Check if the title is defined for this axes - if (this.options.title[orientation] !== undefined && this.options.title[orientation].text !== undefined) { - var title = DOMutil.getDOMElement('div', this.DOMelements.title, this.dom.frame); - title.className = 'yAxis title ' + orientation; - title.innerHTML = this.options.title[orientation].text; - - // Add style - if provided - if (this.options.title[orientation].style !== undefined) { - util.addCssText(title, this.options.title[orientation].style); - } + Slider.prototype.play = function() { + // Test whether already playing + if (this.playTimeout) return; - if (orientation == 'left') { - title.style.left = this.props.titleCharHeight + 'px'; - } - else { - title.style.right = this.props.titleCharHeight + 'px'; - } + this.playNext(); - title.style.width = this.height + 'px'; + if (this.frame) { + this.frame.play.value = 'Stop'; } - - // we need to clean up in case we did not use all elements. - DOMutil.cleanupElements(this.DOMelements.title); }; - - - /** - * Determine the size of text on the axis (both major and minor axis). - * The size is calculated only once and then cached in this.props. - * @private + * Stop playing */ - DataAxis.prototype._calculateCharSize = function () { - // determine the char width and height on the minor axis - if (!('minorCharHeight' in this.props)) { - var textMinor = document.createTextNode('0'); - var measureCharMinor = document.createElement('div'); - measureCharMinor.className = 'yAxis minor measure'; - measureCharMinor.appendChild(textMinor); - this.dom.frame.appendChild(measureCharMinor); - - this.props.minorCharHeight = measureCharMinor.clientHeight; - this.props.minorCharWidth = measureCharMinor.clientWidth; + Slider.prototype.stop = function() { + clearInterval(this.playTimeout); + this.playTimeout = undefined; - this.dom.frame.removeChild(measureCharMinor); + if (this.frame) { + this.frame.play.value = 'Play'; } + }; - if (!('majorCharHeight' in this.props)) { - var textMajor = document.createTextNode('0'); - var measureCharMajor = document.createElement('div'); - measureCharMajor.className = 'yAxis major measure'; - measureCharMajor.appendChild(textMajor); - this.dom.frame.appendChild(measureCharMajor); + /** + * Set a callback function which will be triggered when the value of the + * slider bar has changed. + */ + Slider.prototype.setOnChangeCallback = function(callback) { + this.onChangeCallback = callback; + }; - this.props.majorCharHeight = measureCharMajor.clientHeight; - this.props.majorCharWidth = measureCharMajor.clientWidth; + /** + * Set the interval for playing the list + * @param {Number} interval The interval in milliseconds + */ + Slider.prototype.setPlayInterval = function(interval) { + this.playInterval = interval; + }; - this.dom.frame.removeChild(measureCharMajor); - } + /** + * Retrieve the current play interval + * @return {Number} interval The interval in milliseconds + */ + Slider.prototype.getPlayInterval = function(interval) { + return this.playInterval; + }; - if (!('titleCharHeight' in this.props)) { - var textTitle = document.createTextNode('0'); - var measureCharTitle = document.createElement('div'); - measureCharTitle.className = 'yAxis title measure'; - measureCharTitle.appendChild(textTitle); - this.dom.frame.appendChild(measureCharTitle); + /** + * Set looping on or off + * @pararm {boolean} doLoop If true, the slider will jump to the start when + * the end is passed, and will jump to the end + * when the start is passed. + */ + Slider.prototype.setPlayLoop = function(doLoop) { + this.playLoop = doLoop; + }; - this.props.titleCharHeight = measureCharTitle.clientHeight; - this.props.titleCharWidth = measureCharTitle.clientWidth; - this.dom.frame.removeChild(measureCharTitle); + /** + * Execute the onchange callback function + */ + Slider.prototype.onChange = function() { + if (this.onChangeCallback !== undefined) { + this.onChangeCallback(); } }; /** - * Snap a date to a rounded value. - * The snap intervals are dependent on the current scale and step. - * @param {Date} date the date to be snapped. - * @return {Date} snappedDate + * redraw the slider on the correct place */ - DataAxis.prototype.snap = function(date) { - return this.step.snap(date); - }; - - module.exports = DataAxis; - + Slider.prototype.redraw = function() { + if (this.frame) { + // resize the bar + this.frame.bar.style.top = (this.frame.clientHeight/2 - + this.frame.bar.offsetHeight/2) + 'px'; + this.frame.bar.style.width = (this.frame.clientWidth - + this.frame.prev.clientWidth - + this.frame.play.clientWidth - + this.frame.next.clientWidth - 30) + 'px'; -/***/ }, -/* 24 */ -/***/ function(module, exports, __webpack_require__) { + // position the slider button + var left = this.indexToLeft(this.index); + this.frame.slide.style.left = (left) + 'px'; + } + }; - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - var Line = __webpack_require__(49); - var Bar = __webpack_require__(50); - var Points = __webpack_require__(51); /** - * /** - * @param {object} group | the object of the group from the dataset - * @param {string} groupId | ID of the group - * @param {object} options | the default options - * @param {array} groupsUsingDefaultStyles | this array has one entree. - * It is passed as an array so it is passed by reference. - * It enumerates through the default styles - * @constructor + * Set the list with values for the slider + * @param {Array} values A javascript array with values (any type) */ - function GraphGroup (group, groupId, options, groupsUsingDefaultStyles) { - this.id = groupId; - var fields = ['sampling','style','sort','yAxisOrientation','barChart','drawPoints','shaded','catmullRom'] - this.options = util.selectiveBridgeObject(fields,options); - this.usingDefaultStyle = group.className === undefined; - this.groupsUsingDefaultStyles = groupsUsingDefaultStyles; - this.zeroPosition = 0; - this.update(group); - if (this.usingDefaultStyle == true) { - this.groupsUsingDefaultStyles[0] += 1; - } - this.itemsData = []; - this.visible = group.visible === undefined ? true : group.visible; - } + Slider.prototype.setValues = function(values) { + this.values = values; + if (this.values.length > 0) + this.setIndex(0); + else + this.index = undefined; + }; /** - * this loads a reference to all items in this group into this group. - * @param {array} items + * Select a value by its index + * @param {Number} index */ - GraphGroup.prototype.setItems = function(items) { - if (items != null) { - this.itemsData = items; - if (this.options.sort == true) { - this.itemsData.sort(function (a,b) {return a.x - b.x;}) - } + Slider.prototype.setIndex = function(index) { + if (index < this.values.length) { + this.index = index; + + this.redraw(); + this.onChange(); } else { - this.itemsData = []; + throw 'Error: index out of range'; } }; - /** - * this is used for plotting barcharts, this way, we only have to calculate it once. - * @param pos + * retrieve the index of the currently selected vaue + * @return {Number} index */ - GraphGroup.prototype.setZeroPosition = function(pos) { - this.zeroPosition = pos; + Slider.prototype.getIndex = function() { + return this.index; }; /** - * set the options of the graph group over the default options. - * @param options + * retrieve the currently selected value + * @return {*} value */ - GraphGroup.prototype.setOptions = function(options) { - if (options !== undefined) { - var fields = ['sampling','style','sort','yAxisOrientation','barChart']; - util.selectiveDeepExtend(fields, this.options, options); + Slider.prototype.get = function() { + return this.values[this.index]; + }; - util.mergeOptions(this.options, options,'catmullRom'); - util.mergeOptions(this.options, options,'drawPoints'); - util.mergeOptions(this.options, options,'shaded'); - if (options.catmullRom) { - if (typeof options.catmullRom == 'object') { - if (options.catmullRom.parametrization) { - if (options.catmullRom.parametrization == 'uniform') { - this.options.catmullRom.alpha = 0; - } - else if (options.catmullRom.parametrization == 'chordal') { - this.options.catmullRom.alpha = 1.0; - } - else { - this.options.catmullRom.parametrization = 'centripetal'; - this.options.catmullRom.alpha = 0.5; - } - } - } - } - } + Slider.prototype._onMouseDown = function(event) { + // only react on left mouse button down + var leftButtonDown = event.which ? (event.which === 1) : (event.button === 1); + if (!leftButtonDown) return; - if (this.options.style == 'line') { - this.type = new Line(this.id, this.options); - } - else if (this.options.style == 'bar') { - this.type = new Bar(this.id, this.options); - } - else if (this.options.style == 'points') { - this.type = new Points(this.id, this.options); - } + this.startClientX = event.clientX; + this.startSlideX = parseFloat(this.frame.slide.style.left); + + this.frame.style.cursor = 'move'; + + // add event listeners to handle moving the contents + // we store the function onmousemove and onmouseup in the graph, so we can + // remove the eventlisteners lateron in the function mouseUp() + var me = this; + this.onmousemove = function (event) {me._onMouseMove(event);}; + this.onmouseup = function (event) {me._onMouseUp(event);}; + util.addEventListener(document, 'mousemove', this.onmousemove); + util.addEventListener(document, 'mouseup', this.onmouseup); + util.preventDefault(event); + }; + + + Slider.prototype.leftToIndex = function (left) { + var width = parseFloat(this.frame.bar.style.width) - + this.frame.slide.clientWidth - 10; + var x = left - 3; + + var index = Math.round(x / width * (this.values.length-1)); + if (index < 0) index = 0; + if (index > this.values.length-1) index = this.values.length-1; + + return index; + }; + + Slider.prototype.indexToLeft = function (index) { + var width = parseFloat(this.frame.bar.style.width) - + this.frame.slide.clientWidth - 10; + + var x = index / (this.values.length-1) * width; + var left = x + 3; + + return left; + }; + + + + Slider.prototype._onMouseMove = function (event) { + var diff = event.clientX - this.startClientX; + var x = this.startSlideX + diff; + + var index = this.leftToIndex(x); + + this.setIndex(index); + + util.preventDefault(); + }; + + + Slider.prototype._onMouseUp = function (event) { + this.frame.style.cursor = 'auto'; + + // remove event listeners + util.removeEventListener(document, 'mousemove', this.onmousemove); + util.removeEventListener(document, 'mouseup', this.onmouseup); + + util.preventDefault(); }; + module.exports = Slider; + + +/***/ }, +/* 17 */ +/***/ function(module, exports, __webpack_require__) { /** - * this updates the current group class with the latest group dataset entree, used in _updateGroup in linegraph - * @param group + * @prototype StepNumber + * The class StepNumber is an iterator for Numbers. You provide a start and end + * value, and a best step size. StepNumber itself rounds to fixed values and + * a finds the step that best fits the provided step. + * + * If prettyStep is true, the step size is chosen as close as possible to the + * provided step, but being a round value like 1, 2, 5, 10, 20, 50, .... + * + * Example usage: + * var step = new StepNumber(0, 10, 2.5, true); + * step.start(); + * while (!step.end()) { + * alert(step.getCurrent()); + * step.next(); + * } + * + * Version: 1.0 + * + * @param {Number} start The start value + * @param {Number} end The end value + * @param {Number} step Optional. Step size. Must be a positive value. + * @param {boolean} prettyStep Optional. If true, the step size is rounded + * To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) */ - GraphGroup.prototype.update = function(group) { - this.group = group; - this.content = group.content || 'graph'; - this.className = group.className || this.className || "graphGroup" + this.groupsUsingDefaultStyles[0] % 10; - this.visible = group.visible === undefined ? true : group.visible; - this.style = group.style; - this.setOptions(group.options); - }; + function StepNumber(start, end, step, prettyStep) { + // set default values + this._start = 0; + this._end = 0; + this._step = 1; + this.prettyStep = true; + this.precision = 5; + this._current = 0; + this.setRange(start, end, step, prettyStep); + }; /** - * draw the icon for the legend. + * Set a new range: start, end and step. * - * @param x - * @param y - * @param JSONcontainer - * @param SVGcontainer - * @param iconWidth - * @param iconHeight + * @param {Number} start The start value + * @param {Number} end The end value + * @param {Number} step Optional. Step size. Must be a positive value. + * @param {boolean} prettyStep Optional. If true, the step size is rounded + * To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) */ - GraphGroup.prototype.drawIcon = function(x, y, JSONcontainer, SVGcontainer, iconWidth, iconHeight) { - var fillHeight = iconHeight * 0.5; - var path, fillPath; + StepNumber.prototype.setRange = function(start, end, step, prettyStep) { + this._start = start ? start : 0; + this._end = end ? end : 0; - var outline = DOMutil.getSVGElement("rect", JSONcontainer, SVGcontainer); - outline.setAttributeNS(null, "x", x); - outline.setAttributeNS(null, "y", y - fillHeight); - outline.setAttributeNS(null, "width", iconWidth); - outline.setAttributeNS(null, "height", 2*fillHeight); - outline.setAttributeNS(null, "class", "outline"); + this.setStep(step, prettyStep); + }; - if (this.options.style == 'line') { - path = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer); - path.setAttributeNS(null, "class", this.className); - if(this.style !== undefined) { - path.setAttributeNS(null, "style", this.style); - } + /** + * Set a new step size + * @param {Number} step New step size. Must be a positive value + * @param {boolean} prettyStep Optional. If true, the provided step is rounded + * to a pretty step size (like 1, 2, 5, 10, 20, 50, ...) + */ + StepNumber.prototype.setStep = function(step, prettyStep) { + if (step === undefined || step <= 0) + return; + + if (prettyStep !== undefined) + this.prettyStep = prettyStep; + + if (this.prettyStep === true) + this._step = StepNumber.calculatePrettyStep(step); + else + this._step = step; + }; - path.setAttributeNS(null, "d", "M" + x + ","+y+" L" + (x + iconWidth) + ","+y+""); - if (this.options.shaded.enabled == true) { - fillPath = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer); - if (this.options.shaded.orientation == 'top') { - fillPath.setAttributeNS(null, "d", "M"+x+", " + (y - fillHeight) + - "L"+x+","+y+" L"+ (x + iconWidth) + ","+y+" L"+ (x + iconWidth) + "," + (y - fillHeight)); - } - else { - fillPath.setAttributeNS(null, "d", "M"+x+","+y+" " + - "L"+x+"," + (y + fillHeight) + " " + - "L"+ (x + iconWidth) + "," + (y + fillHeight) + - "L"+ (x + iconWidth) + ","+y); - } - fillPath.setAttributeNS(null, "class", this.className + " iconFill"); - } + /** + * Calculate a nice step size, closest to the desired step size. + * Returns a value in one of the ranges 1*10^n, 2*10^n, or 5*10^n, where n is an + * integer Number. For example 1, 2, 5, 10, 20, 50, etc... + * @param {Number} step Desired step size + * @return {Number} Nice step size + */ + StepNumber.calculatePrettyStep = function (step) { + var log10 = function (x) {return Math.log(x) / Math.LN10;}; - if (this.options.drawPoints.enabled == true) { - DOMutil.drawPoint(x + 0.5 * iconWidth,y, this, JSONcontainer, SVGcontainer); - } - } - else { - var barWidth = Math.round(0.3 * iconWidth); - var bar1Height = Math.round(0.4 * iconHeight); - var bar2Height = Math.round(0.75 * iconHeight); + // try three steps (multiple of 1, 2, or 5 + var step1 = Math.pow(10, Math.round(log10(step))), + step2 = 2 * Math.pow(10, Math.round(log10(step / 2))), + step5 = 5 * Math.pow(10, Math.round(log10(step / 5))); - var offset = Math.round((iconWidth - (2 * barWidth))/3); + // choose the best step (closest to minimum step) + var prettyStep = step1; + if (Math.abs(step2 - step) <= Math.abs(prettyStep - step)) prettyStep = step2; + if (Math.abs(step5 - step) <= Math.abs(prettyStep - step)) prettyStep = step5; - DOMutil.drawBar(x + 0.5*barWidth + offset , y + fillHeight - bar1Height - 1, barWidth, bar1Height, this.className + ' bar', JSONcontainer, SVGcontainer); - DOMutil.drawBar(x + 1.5*barWidth + offset + 2, y + fillHeight - bar2Height - 1, barWidth, bar2Height, this.className + ' bar', JSONcontainer, SVGcontainer); + // for safety + if (prettyStep <= 0) { + prettyStep = 1; } + + return prettyStep; }; + /** + * returns the current value of the step + * @return {Number} current value + */ + StepNumber.prototype.getCurrent = function () { + return parseFloat(this._current.toPrecision(this.precision)); + }; /** - * return the legend entree for this group. - * - * @param iconWidth - * @param iconHeight - * @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}} + * returns the current step size + * @return {Number} current step size */ - GraphGroup.prototype.getLegend = function(iconWidth, iconHeight) { - var svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); - this.drawIcon(0,0.5*iconHeight,[],svg,iconWidth,iconHeight); - return {icon: svg, label: this.content, orientation:this.options.yAxisOrientation}; - } + StepNumber.prototype.getStep = function () { + return this._step; + }; - GraphGroup.prototype.getYRange = function(groupData) { - return this.type.getYRange(groupData); - } + /** + * Set the current value to the largest value smaller than start, which + * is a multiple of the step size + */ + StepNumber.prototype.start = function() { + this._current = this._start - this._start % this._step; + }; - GraphGroup.prototype.draw = function(dataset, group, framework) { - this.type.draw(dataset, group, framework); - } + /** + * Do a step, add the step size to the current value + */ + StepNumber.prototype.next = function () { + this._current += this._step; + }; + /** + * Returns true whether the end is reached + * @return {boolean} True if the current value has passed the end value. + */ + StepNumber.prototype.end = function () { + return (this._current > this._end); + }; - module.exports = GraphGroup; + module.exports = StepNumber; /***/ }, -/* 25 */ +/* 18 */ /***/ function(module, exports, __webpack_require__) { + var Emitter = __webpack_require__(11); + var Hammer = __webpack_require__(19); var util = __webpack_require__(1); - var stack = __webpack_require__(18); - var RangeItem = __webpack_require__(35); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var Range = __webpack_require__(21); + var Core = __webpack_require__(25); + var TimeAxis = __webpack_require__(37); + var CurrentTime = __webpack_require__(39); + var CustomTime = __webpack_require__(41); + var ItemSet = __webpack_require__(26); /** - * @constructor Group - * @param {Number | String} groupId - * @param {Object} data - * @param {ItemSet} itemSet + * Create a timeline visualization + * @param {HTMLElement} container + * @param {vis.DataSet | Array | google.visualization.DataTable} [items] + * @param {vis.DataSet | Array | google.visualization.DataTable} [groups] + * @param {Object} [options] See Timeline.setOptions for the available options. + * @constructor + * @extends Core */ - function Group (groupId, data, itemSet) { - this.groupId = groupId; - this.subgroups = {}; - this.subgroupIndex = 0; - this.subgroupOrderer = data && data.subgroupOrder; - this.itemSet = itemSet; + function Timeline (container, items, groups, options) { + if (!(this instanceof Timeline)) { + throw new SyntaxError('Constructor must be called with the new operator'); + } - this.dom = {}; - this.props = { - label: { - width: 0, - height: 0 - } - }; - this.className = null; + // if the third element is options, the forth is groups (optionally); + if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) { + var forthArgument = options; + options = groups; + groups = forthArgument; + } - this.items = {}; // items filtered by groupId of this group - this.visibleItems = []; // items currently visible in window - this.orderedItems = { - byStart: [], - byEnd: [] - }; - this.checkRangedItems = false; // needed to refresh the ranged items if the window is programatically changed with NO overlap. var me = this; - this.itemSet.body.emitter.on("checkRangedItems", function () { - me.checkRangedItems = true; - }) + this.defaultOptions = { + start: null, + end: null, - this._create(); + autoResize: true, - this.setData(data); - } + orientation: 'bottom', + width: null, + height: null, + maxHeight: null, + minHeight: null + }; + this.options = util.deepExtend({}, this.defaultOptions); - /** - * Create DOM elements for the group - * @private - */ - Group.prototype._create = function() { - var label = document.createElement('div'); - label.className = 'vlabel'; - this.dom.label = label; + // Create the DOM, props, and emitter + this._create(container); - var inner = document.createElement('div'); - inner.className = 'inner'; - label.appendChild(inner); - this.dom.inner = inner; + // all components listed here will be repainted automatically + this.components = []; - var foreground = document.createElement('div'); - foreground.className = 'group'; - foreground['timeline-group'] = this; - this.dom.foreground = foreground; + this.body = { + dom: this.dom, + domProps: this.props, + emitter: { + on: this.on.bind(this), + off: this.off.bind(this), + emit: this.emit.bind(this) + }, + hiddenDates: [], + util: { + snap: null, // will be specified after TimeAxis is created + toScreen: me._toScreen.bind(me), + toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width + toTime: me._toTime.bind(me), + toGlobalTime : me._toGlobalTime.bind(me) + } + }; - this.dom.background = document.createElement('div'); - this.dom.background.className = 'group'; + // range + this.range = new Range(this.body); + this.components.push(this.range); + this.body.range = this.range; - this.dom.axis = document.createElement('div'); - this.dom.axis.className = 'group'; + // time axis + this.timeAxis = new TimeAxis(this.body); + this.components.push(this.timeAxis); + this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); - // create a hidden marker to detect when the Timelines container is attached - // to the DOM, or the style of a parent of the Timeline is changed from - // display:none is changed to visible. - this.dom.marker = document.createElement('div'); - this.dom.marker.style.visibility = 'hidden'; // TODO: ask jos why this is not none? - this.dom.marker.innerHTML = '?'; - this.dom.background.appendChild(this.dom.marker); - }; + // current time bar + this.currentTime = new CurrentTime(this.body); + this.components.push(this.currentTime); - /** - * Set the group data for this group - * @param {Object} data Group data, can contain properties content and className - */ - Group.prototype.setData = function(data) { - // update contents - var content = data && data.content; - if (content instanceof Element) { - this.dom.inner.appendChild(content); - } - else if (content !== undefined && content !== null) { - this.dom.inner.innerHTML = content; - } - else { - this.dom.inner.innerHTML = this.groupId || ''; // groupId can be null - } + // custom time bar + // Note: time bar will be attached in this.setOptions when selected + this.customTime = new CustomTime(this.body); + this.components.push(this.customTime); - // update title - this.dom.label.title = data && data.title || ''; + // item set + this.itemSet = new ItemSet(this.body); + this.components.push(this.itemSet); - if (!this.dom.inner.firstChild) { - util.addClassName(this.dom.inner, 'hidden'); - } - else { - util.removeClassName(this.dom.inner, 'hidden'); + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + + // apply options + if (options) { + this.setOptions(options); } - // update className - var className = data && data.className || null; - if (className != this.className) { - if (this.className) { - util.removeClassName(this.dom.label, this.className); - util.removeClassName(this.dom.foreground, this.className); - util.removeClassName(this.dom.background, this.className); - util.removeClassName(this.dom.axis, this.className); - } - util.addClassName(this.dom.label, className); - util.addClassName(this.dom.foreground, className); - util.addClassName(this.dom.background, className); - util.addClassName(this.dom.axis, className); - this.className = className; + // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! + if (groups) { + this.setGroups(groups); } - // update style - if (this.style) { - util.removeCssText(this.dom.label, this.style); - this.style = null; + // create itemset + if (items) { + this.setItems(items); } - if (data && data.style) { - util.addCssText(this.dom.label, data.style); - this.style = data.style; + else { + this.redraw(); } - }; - - /** - * Get the width of the group label - * @return {number} width - */ - Group.prototype.getLabelWidth = function() { - return this.props.label.width; - }; + } + // Extend the functionality from Core + Timeline.prototype = new Core(); /** - * Repaint this group - * @param {{start: number, end: number}} range - * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin - * @param {boolean} [restack=false] Force restacking of all items - * @return {boolean} Returns true if the group is resized + * Set items + * @param {vis.DataSet | Array | google.visualization.DataTable | null} items */ - Group.prototype.redraw = function(range, margin, restack) { - var resized = false; - - this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); - - // force recalculation of the height of the items when the marker height changed - // (due to the Timeline being attached to the DOM or changed from display:none to visible) - var markerHeight = this.dom.marker.clientHeight; - if (markerHeight != this.lastMarkerHeight) { - this.lastMarkerHeight = markerHeight; - - util.forEach(this.items, function (item) { - item.dirty = true; - if (item.displayed) item.redraw(); - }); + Timeline.prototype.setItems = function(items) { + var initialLoad = (this.itemsData == null); - restack = true; + // convert to type DataSet when needed + var newDataSet; + if (!items) { + newDataSet = null; } - - // reposition visible items vertically - if (this.itemSet.options.stack) { // TODO: ugly way to access options... - stack.stack(this.visibleItems, margin, restack); + else if (items instanceof DataSet || items instanceof DataView) { + newDataSet = items; } - else { // no stacking - stack.nostack(this.visibleItems, margin, this.subgroups); + else { + // turn an array into a dataset + newDataSet = new DataSet(items, { + type: { + start: 'Date', + end: 'Date' + } + }); } - // recalculate the height of the group - var height = this._calculateHeight(margin); - - // calculate actual size and position - var foreground = this.dom.foreground; - this.top = foreground.offsetTop; - this.left = foreground.offsetLeft; - this.width = foreground.offsetWidth; - resized = util.updateProperty(this, 'height', height) || resized; + // set items + this.itemsData = newDataSet; + this.itemSet && this.itemSet.setItems(newDataSet); - // recalculate size of label - resized = util.updateProperty(this.props.label, 'width', this.dom.inner.clientWidth) || resized; - resized = util.updateProperty(this.props.label, 'height', this.dom.inner.clientHeight) || resized; + if (initialLoad) { + if (this.options.start != undefined || this.options.end != undefined) { + if (this.options.start == undefined || this.options.end == undefined) { + var dataRange = this._getDataRange(); + } - // apply new height - this.dom.background.style.height = height + 'px'; - this.dom.foreground.style.height = height + 'px'; - this.dom.label.style.height = height + 'px'; + var start = this.options.start != undefined ? this.options.start : dataRange.start; + var end = this.options.end != undefined ? this.options.end : dataRange.end; - // update vertical position of items after they are re-stacked and the height of the group is calculated - for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { - var item = this.visibleItems[i]; - item.repositionY(margin); + this.setWindow(start, end, {animate: false}); + } + else { + this.fit({animate: false}); + } } - - return resized; }; /** - * recalculate the height of the group - * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin - * @returns {number} Returns the height - * @private + * Set groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groups */ - Group.prototype._calculateHeight = function (margin) { - // recalculate the height of the group - var height; - var visibleItems = this.visibleItems; - //var visibleSubgroups = []; - //this.visibleSubgroups = 0; - this.resetSubgroups(); - var me = this; - if (visibleItems.length) { - var min = visibleItems[0].top; - var max = visibleItems[0].top + visibleItems[0].height; - util.forEach(visibleItems, function (item) { - min = Math.min(min, item.top); - max = Math.max(max, (item.top + item.height)); - if (item.data.subgroup !== undefined) { - me.subgroups[item.data.subgroup].height = Math.max(me.subgroups[item.data.subgroup].height,item.height); - me.subgroups[item.data.subgroup].visible = true; - //if (visibleSubgroups.indexOf(item.data.subgroup) == -1){ - // visibleSubgroups.push(item.data.subgroup); - // me.visibleSubgroups += 1; - //} - } - }); - if (min > margin.axis) { - // there is an empty gap between the lowest item and the axis - var offset = min - margin.axis; - max -= offset; - util.forEach(visibleItems, function (item) { - item.top -= offset; - }); - } - height = max + margin.item.vertical / 2; + Timeline.prototype.setGroups = function(groups) { + // convert to type DataSet when needed + var newDataSet; + if (!groups) { + newDataSet = null; + } + else if (groups instanceof DataSet || groups instanceof DataView) { + newDataSet = groups; } else { - height = margin.axis + margin.item.vertical; + // turn an array into a dataset + newDataSet = new DataSet(groups); } - height = Math.max(height, this.props.label.height); - return height; + this.groupsData = newDataSet; + this.itemSet.setGroups(newDataSet); }; /** - * Show this group: attach to the DOM + * Set selected items by their id. Replaces the current selection + * Unknown id's are silently ignored. + * @param {string[] | string} [ids] An array with zero or more id's of the items to be + * selected. If ids is an empty array, all items will be + * unselected. + * @param {Object} [options] Available options: + * `focus: boolean` + * If true, focus will be set to the selected item(s) + * `animate: boolean | number` + * If true (default), the range is animated + * smoothly to the new window. + * If a number, the number is taken as duration + * for the animation. Default duration is 500 ms. + * Only applicable when option focus is true. */ - Group.prototype.show = function() { - if (!this.dom.label.parentNode) { - this.itemSet.dom.labelSet.appendChild(this.dom.label); - } - - if (!this.dom.foreground.parentNode) { - this.itemSet.dom.foreground.appendChild(this.dom.foreground); - } + Timeline.prototype.setSelection = function(ids, options) { + this.itemSet && this.itemSet.setSelection(ids); - if (!this.dom.background.parentNode) { - this.itemSet.dom.background.appendChild(this.dom.background); + if (options && options.focus) { + this.focus(ids, options); } + }; - if (!this.dom.axis.parentNode) { - this.itemSet.dom.axis.appendChild(this.dom.axis); - } + /** + * Get the selected items by their id + * @return {Array} ids The ids of the selected items + */ + Timeline.prototype.getSelection = function() { + return this.itemSet && this.itemSet.getSelection() || []; }; /** - * Hide this group: remove from the DOM + * Adjust the visible window such that the selected item (or multiple items) + * are centered on screen. + * @param {String | String[]} id An item id or array with item ids + * @param {Object} [options] Available options: + * `animate: boolean | number` + * If true (default), the range is animated + * smoothly to the new window. + * If a number, the number is taken as duration + * for the animation. Default duration is 500 ms. + * Only applicable when option focus is true */ - Group.prototype.hide = function() { - var label = this.dom.label; - if (label.parentNode) { - label.parentNode.removeChild(label); - } + Timeline.prototype.focus = function(id, options) { + if (!this.itemsData || id == undefined) return; - var foreground = this.dom.foreground; - if (foreground.parentNode) { - foreground.parentNode.removeChild(foreground); - } + var ids = Array.isArray(id) ? id : [id]; + + // get the specified item(s) + var itemsData = this.itemsData.getDataSet().get(ids, { + type: { + start: 'Date', + end: 'Date' + } + }); + + // calculate minimum start and maximum end of specified items + var start = null; + var end = null; + itemsData.forEach(function (itemData) { + var s = itemData.start.valueOf(); + var e = 'end' in itemData ? itemData.end.valueOf() : itemData.start.valueOf(); + + if (start === null || s < start) { + start = s; + } - var background = this.dom.background; - if (background.parentNode) { - background.parentNode.removeChild(background); - } + if (end === null || e > end) { + end = e; + } + }); - var axis = this.dom.axis; - if (axis.parentNode) { - axis.parentNode.removeChild(axis); + if (start !== null && end !== null) { + // calculate the new middle and interval for the window + var middle = (start + end) / 2; + var interval = Math.max((this.range.end - this.range.start), (end - start) * 1.1); + + var animate = (options && options.animate !== undefined) ? options.animate : true; + this.range.setRange(middle - interval / 2, middle + interval / 2, animate); } }; /** - * Add an item to the group - * @param {Item} item + * Get the data range of the item set. + * @returns {{min: Date, max: Date}} range A range with a start and end Date. + * When no minimum is found, min==null + * When no maximum is found, max==null */ - Group.prototype.add = function(item) { - this.items[item.id] = item; - item.setParent(this); - - // add to - if (item.data.subgroup !== undefined) { - if (this.subgroups[item.data.subgroup] === undefined) { - this.subgroups[item.data.subgroup] = {height:0, visible: false, index:this.subgroupIndex, items: []}; - this.subgroupIndex++; - } - this.subgroups[item.data.subgroup].items.push(item); - } - this.orderSubgroups(); + Timeline.prototype.getItemRange = function() { + // calculate min from start filed + var dataset = this.itemsData.getDataSet(), + min = null, + max = null; - if (this.visibleItems.indexOf(item) == -1) { - var range = this.itemSet.body.range; // TODO: not nice accessing the range like this - this._checkIfVisible(item, this.visibleItems, range); - } - }; + if (dataset) { + // calculate the minimum value of the field 'start' + var minItem = dataset.min('start'); + min = minItem ? util.convert(minItem.start, 'Date').valueOf() : null; + // Note: we convert first to Date and then to number because else + // a conversion from ISODate to Number will fail - Group.prototype.orderSubgroups = function() { - if (this.subgroupOrderer !== undefined) { - var sortArray = []; - if (typeof this.subgroupOrderer == 'string') { - for (var subgroup in this.subgroups) { - sortArray.push({subgroup: subgroup, sortField: this.subgroups[subgroup].items[0].data[this.subgroupOrderer]}) - } - sortArray.sort(function (a, b) { - return a.sortField - b.sortField; - }) + // calculate maximum value of fields 'start' and 'end' + var maxStartItem = dataset.max('start'); + if (maxStartItem) { + max = util.convert(maxStartItem.start, 'Date').valueOf(); } - else if (typeof this.subgroupOrderer == 'function') { - for (var subgroup in this.subgroups) { - sortArray.push(this.subgroups[subgroup].items[0].data); + var maxEndItem = dataset.max('end'); + if (maxEndItem) { + if (max == null) { + max = util.convert(maxEndItem.end, 'Date').valueOf(); } - sortArray.sort(this.subgroupOrderer); - } - - if (sortArray.length > 0) { - for (var i = 0; i < sortArray.length; i++) { - this.subgroups[sortArray[i].subgroup].index = i; + else { + max = Math.max(max, util.convert(maxEndItem.end, 'Date').valueOf()); } } } + + return { + min: (min != null) ? new Date(min) : null, + max: (max != null) ? new Date(max) : null + }; }; - Group.prototype.resetSubgroups = function() { - for (var subgroup in this.subgroups) { - if (this.subgroups.hasOwnProperty(subgroup)) { - this.subgroups[subgroup].visible = false; - } + + module.exports = Timeline; + + +/***/ }, +/* 19 */ +/***/ function(module, exports, __webpack_require__) { + + // Only load hammer.js when in a browser environment + // (loading hammer.js in a node.js environment gives errors) + if (typeof window !== 'undefined') { + module.exports = window['Hammer'] || __webpack_require__(20); + } + else { + module.exports = function () { + throw Error('hammer.js is only available in a browser, not in node.js.'); } - }; + } - /** - * Remove an item from the group - * @param {Item} item - */ - Group.prototype.remove = function(item) { - delete this.items[item.id]; - item.setParent(null); - // remove from visible items - var index = this.visibleItems.indexOf(item); - if (index != -1) this.visibleItems.splice(index, 1); +/***/ }, +/* 20 */ +/***/ function(module, exports, __webpack_require__) { - // TODO: also remove from ordered items? - }; + var __WEBPACK_AMD_DEFINE_RESULT__;/*! Hammer.JS - v1.1.3 - 2014-05-20 + * http://eightmedia.github.io/hammer.js + * + * Copyright (c) 2014 Jorik Tangelder ; + * Licensed under the MIT license */ + (function(window, undefined) { + 'use strict'; /** - * Remove an item from the corresponding DataSet - * @param {Item} item + * @main + * @module hammer + * + * @class Hammer + * @static */ - Group.prototype.removeFromDataSet = function(item) { - this.itemSet.removeItem(item.id); - }; - /** - * Reorder the items + * Hammer, use this to create instances + * ```` + * var hammertime = new Hammer(myElement); + * ```` + * + * @method Hammer + * @param {HTMLElement} element + * @param {Object} [options={}] + * @return {Hammer.Instance} */ - Group.prototype.order = function() { - var array = util.toArray(this.items); - var startArray = []; - var endArray = []; - - for (var i = 0; i < array.length; i++) { - if (array[i].data.end !== undefined) { - endArray.push(array[i]); - } - startArray.push(array[i]); - } - this.orderedItems = { - byStart: startArray, - byEnd: endArray - }; - - stack.orderByStart(this.orderedItems.byStart); - stack.orderByEnd(this.orderedItems.byEnd); + var Hammer = function Hammer(element, options) { + return new Hammer.Instance(element, options || {}); }; + /** + * version, as defined in package.json + * the value will be set at each build + * @property VERSION + * @final + * @type {String} + */ + Hammer.VERSION = '1.1.3'; /** - * Update the visible items - * @param {{byStart: Item[], byEnd: Item[]}} orderedItems All items ordered by start date and by end date - * @param {Item[]} visibleItems The previously visible items. - * @param {{start: number, end: number}} range Visible range - * @return {Item[]} visibleItems The new visible items. - * @private + * default settings. + * more settings are defined per gesture at `/gestures`. Each gesture can be disabled/enabled + * by setting it's name (like `swipe`) to false. + * You can set the defaults for all instances by changing this object before creating an instance. + * @example + * ```` + * Hammer.defaults.drag = false; + * Hammer.defaults.behavior.touchAction = 'pan-y'; + * delete Hammer.defaults.behavior.userSelect; + * ```` + * @property defaults + * @type {Object} */ - Group.prototype._updateVisibleItems = function(orderedItems, oldVisibleItems, range) { - var visibleItems = []; - var visibleItemsLookup = {}; // we keep this to quickly look up if an item already exists in the list without using indexOf on visibleItems - var interval = (range.end - range.start) / 4; - var lowerBound = range.start - interval; - var upperBound = range.end + interval; - var item, i; + Hammer.defaults = { + /** + * this setting object adds styles and attributes to the element to prevent the browser from doing + * its native behavior. The css properties are auto prefixed for the browsers when needed. + * @property defaults.behavior + * @type {Object} + */ + behavior: { + /** + * Disables text selection to improve the dragging gesture. When the value is `none` it also sets + * `onselectstart=false` for IE on the element. Mainly for desktop browsers. + * @property defaults.behavior.userSelect + * @type {String} + * @default 'none' + */ + userSelect: 'none', - // this function is used to do the binary search. - var searchFunction = function (value) { - if (value < lowerBound) {return -1;} - else if (value <= upperBound) {return 0;} - else {return 1;} - } + /** + * Specifies whether and how a given region can be manipulated by the user (for instance, by panning or zooming). + * Used by Chrome 35> and IE10>. By default this makes the element blocking any touch event. + * @property defaults.behavior.touchAction + * @type {String} + * @default: 'pan-y' + */ + touchAction: 'pan-y', - // first check if the items that were in view previously are still in view. - // IMPORTANT: this handles the case for the items with startdate before the window and enddate after the window! - // also cleans up invisible items. - if (oldVisibleItems.length > 0) { - for (i = 0; i < oldVisibleItems.length; i++) { - this._checkIfVisibleWithReference(oldVisibleItems[i], visibleItems, visibleItemsLookup, range); - } - } + /** + * Disables the default callout shown when you touch and hold a touch target. + * On iOS, when you touch and hold a touch target such as a link, Safari displays + * a callout containing information about the link. This property allows you to disable that callout. + * @property defaults.behavior.touchCallout + * @type {String} + * @default 'none' + */ + touchCallout: 'none', - // we do a binary search for the items that have only start values. - var initialPosByStart = util.binarySearchCustom(orderedItems.byStart, searchFunction, 'data','start'); + /** + * Specifies whether zooming is enabled. Used by IE10> + * @property defaults.behavior.contentZooming + * @type {String} + * @default 'none' + */ + contentZooming: 'none', - // trace the visible items from the inital start pos both ways until an invisible item is found, we only look at the start values. - this._traceVisible(initialPosByStart, orderedItems.byStart, visibleItems, visibleItemsLookup, function (item) { - return (item.data.start < lowerBound || item.data.start > upperBound); - }); + /** + * Specifies that an entire element should be draggable instead of its contents. + * Mainly for desktop browsers. + * @property defaults.behavior.userDrag + * @type {String} + * @default 'none' + */ + userDrag: 'none', - // if the window has changed programmatically without overlapping the old window, the ranged items with start < lowerBound and end > upperbound are not shown. - // We therefore have to brute force check all items in the byEnd list - if (this.checkRangedItems == true) { - this.checkRangedItems = false; - for (i = 0; i < orderedItems.byEnd.length; i++) { - this._checkIfVisibleWithReference(orderedItems.byEnd[i], visibleItems, visibleItemsLookup, range); + /** + * Overrides the highlight color shown when the user taps a link or a JavaScript + * clickable element in Safari on iPhone. This property obeys the alpha value, if specified. + * + * If you don't specify an alpha value, Safari on iPhone applies a default alpha value + * to the color. To disable tap highlighting, set the alpha value to 0 (invisible). + * If you set the alpha value to 1.0 (opaque), the element is not visible when tapped. + * @property defaults.behavior.tapHighlightColor + * @type {String} + * @default 'rgba(0,0,0,0)' + */ + tapHighlightColor: 'rgba(0,0,0,0)' } - } - else { - // we do a binary search for the items that have defined end times. - var initialPosByEnd = util.binarySearchCustom(orderedItems.byEnd, searchFunction, 'data','end'); - - // trace the visible items from the inital start pos both ways until an invisible item is found, we only look at the end values. - this._traceVisible(initialPosByEnd, orderedItems.byEnd, visibleItems, visibleItemsLookup, function (item) { - return (item.data.end < lowerBound || item.data.end > upperBound); - }); - } - - - // finally, we reposition all the visible items. - for (i = 0; i < visibleItems.length; i++) { - item = visibleItems[i]; - if (!item.displayed) item.show(); - // reposition item horizontally - item.repositionX(); - } + }; - // debug - //console.log("new line") - //if (this.groupId == null) { - // for (i = 0; i < orderedItems.byStart.length; i++) { - // item = orderedItems.byStart[i].data; - // console.log('start',i,initialPosByStart, item.start.valueOf(), item.content, item.start >= lowerBound && item.start <= upperBound,i == initialPosByStart ? "<------------------- HEREEEE" : "") - // } - // for (i = 0; i < orderedItems.byEnd.length; i++) { - // item = orderedItems.byEnd[i].data; - // console.log('rangeEnd',i,initialPosByEnd, item.end.valueOf(), item.content, item.end >= range.start && item.end <= range.end,i == initialPosByEnd ? "<------------------- HEREEEE" : "") - // } - //} + /** + * hammer document where the base events are added at + * @property DOCUMENT + * @type {HTMLElement} + * @default window.document + */ + Hammer.DOCUMENT = document; - return visibleItems; - }; + /** + * detect support for pointer events + * @property HAS_POINTEREVENTS + * @type {Boolean} + */ + Hammer.HAS_POINTEREVENTS = navigator.pointerEnabled || navigator.msPointerEnabled; - Group.prototype._traceVisible = function (initialPos, items, visibleItems, visibleItemsLookup, breakCondition) { - var item; - var i; + /** + * detect support for touch events + * @property HAS_TOUCHEVENTS + * @type {Boolean} + */ + Hammer.HAS_TOUCHEVENTS = ('ontouchstart' in window); - if (initialPos != -1) { - for (i = initialPos; i >= 0; i--) { - item = items[i]; - if (breakCondition(item)) { - break; - } - else { - if (visibleItemsLookup[item.id] === undefined) { - visibleItemsLookup[item.id] = true; - visibleItems.push(item); - } - } - } + /** + * detect mobile browsers + * @property IS_MOBILE + * @type {Boolean} + */ + Hammer.IS_MOBILE = /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent); - for (i = initialPos + 1; i < items.length; i++) { - item = items[i]; - if (breakCondition(item)) { - break; - } - else { - if (visibleItemsLookup[item.id] === undefined) { - visibleItemsLookup[item.id] = true; - visibleItems.push(item); - } - } - } - } - } + /** + * detect if we want to support mouseevents at all + * @property NO_MOUSEEVENTS + * @type {Boolean} + */ + Hammer.NO_MOUSEEVENTS = (Hammer.HAS_TOUCHEVENTS && Hammer.IS_MOBILE) || Hammer.HAS_POINTEREVENTS; + /** + * interval in which Hammer recalculates current velocity/direction/angle in ms + * @property CALCULATE_INTERVAL + * @type {Number} + * @default 25 + */ + Hammer.CALCULATE_INTERVAL = 25; /** - * this function is very similar to the _checkIfInvisible() but it does not - * return booleans, hides the item if it should not be seen and always adds to - * the visibleItems. - * this one is for brute forcing and hiding. - * - * @param {Item} item - * @param {Array} visibleItems - * @param {{start:number, end:number}} range + * eventtypes per touchevent (start, move, end) are filled by `Event.determineEventTypes` on `setup` + * the object contains the DOM event names per type (`EVENT_START`, `EVENT_MOVE`, `EVENT_END`) + * @property EVENT_TYPES * @private + * @writeOnce + * @type {Object} */ - Group.prototype._checkIfVisible = function(item, visibleItems, range) { - if (item.isVisible(range)) { - if (!item.displayed) item.show(); - // reposition item horizontally - item.repositionX(); - visibleItems.push(item); - } - else { - if (item.displayed) item.hide(); - } - }; + var EVENT_TYPES = {}; + /** + * direction strings, for safe comparisons + * @property DIRECTION_DOWN|LEFT|UP|RIGHT + * @final + * @type {String} + * @default 'down' 'left' 'up' 'right' + */ + var DIRECTION_DOWN = Hammer.DIRECTION_DOWN = 'down'; + var DIRECTION_LEFT = Hammer.DIRECTION_LEFT = 'left'; + var DIRECTION_UP = Hammer.DIRECTION_UP = 'up'; + var DIRECTION_RIGHT = Hammer.DIRECTION_RIGHT = 'right'; /** - * this function is very similar to the _checkIfInvisible() but it does not - * return booleans, hides the item if it should not be seen and always adds to - * the visibleItems. - * this one is for brute forcing and hiding. - * - * @param {Item} item - * @param {Array} visibleItems - * @param {{start:number, end:number}} range - * @private + * pointertype strings, for safe comparisons + * @property POINTER_MOUSE|TOUCH|PEN + * @final + * @type {String} + * @default 'mouse' 'touch' 'pen' */ - Group.prototype._checkIfVisibleWithReference = function(item, visibleItems, visibleItemsLookup, range) { - if (item.isVisible(range)) { - if (visibleItemsLookup[item.id] === undefined) { - visibleItemsLookup[item.id] = true; - visibleItems.push(item); - } - } - else { - if (item.displayed) item.hide(); - } - }; + var POINTER_MOUSE = Hammer.POINTER_MOUSE = 'mouse'; + var POINTER_TOUCH = Hammer.POINTER_TOUCH = 'touch'; + var POINTER_PEN = Hammer.POINTER_PEN = 'pen'; + /** + * eventtypes + * @property EVENT_START|MOVE|END|RELEASE|TOUCH + * @final + * @type {String} + * @default 'start' 'change' 'move' 'end' 'release' 'touch' + */ + var EVENT_START = Hammer.EVENT_START = 'start'; + var EVENT_MOVE = Hammer.EVENT_MOVE = 'move'; + var EVENT_END = Hammer.EVENT_END = 'end'; + var EVENT_RELEASE = Hammer.EVENT_RELEASE = 'release'; + var EVENT_TOUCH = Hammer.EVENT_TOUCH = 'touch'; + /** + * if the window events are set... + * @property READY + * @writeOnce + * @type {Boolean} + * @default false + */ + Hammer.READY = false; - module.exports = Group; + /** + * plugins namespace + * @property plugins + * @type {Object} + */ + Hammer.plugins = Hammer.plugins || {}; + /** + * gestures namespace + * see `/gestures` for the definitions + * @property gestures + * @type {Object} + */ + Hammer.gestures = Hammer.gestures || {}; -/***/ }, -/* 26 */ -/***/ function(module, exports, __webpack_require__) { + /** + * setup events to detect gestures on the document + * this function is called when creating an new instance + * @private + */ + function setup() { + if(Hammer.READY) { + return; + } - var util = __webpack_require__(1); - var Group = __webpack_require__(25); + // find what eventtypes we add listeners to + Event.determineEventTypes(); + + // Register all gestures inside Hammer.gestures + Utils.each(Hammer.gestures, function(gesture) { + Detection.register(gesture); + }); - /** - * @constructor BackgroundGroup - * @param {Number | String} groupId - * @param {Object} data - * @param {ItemSet} itemSet - */ - function BackgroundGroup (groupId, data, itemSet) { - Group.call(this, groupId, data, itemSet); + // Add touch events on the document + Event.onTouch(Hammer.DOCUMENT, EVENT_MOVE, Detection.detect); + Event.onTouch(Hammer.DOCUMENT, EVENT_END, Detection.detect); - this.width = 0; - this.height = 0; - this.top = 0; - this.left = 0; + // Hammer is ready...! + Hammer.READY = true; } - BackgroundGroup.prototype = Object.create(Group.prototype); - /** - * Repaint this group - * @param {{start: number, end: number}} range - * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin - * @param {boolean} [restack=false] Force restacking of all items - * @return {boolean} Returns true if the group is resized + * @module hammer + * + * @class Utils + * @static */ - BackgroundGroup.prototype.redraw = function(range, margin, restack) { - var resized = false; + var Utils = Hammer.utils = { + /** + * extend method, could also be used for cloning when `dest` is an empty object. + * changes the dest object + * @method extend + * @param {Object} dest + * @param {Object} src + * @param {Boolean} [merge=false] do a merge + * @return {Object} dest + */ + extend: function extend(dest, src, merge) { + for(var key in src) { + if(!src.hasOwnProperty(key) || (dest[key] !== undefined && merge)) { + continue; + } + dest[key] = src[key]; + } + return dest; + }, - this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); + /** + * simple addEventListener wrapper + * @method on + * @param {HTMLElement} element + * @param {String} type + * @param {Function} handler + */ + on: function on(element, type, handler) { + element.addEventListener(type, handler, false); + }, - // calculate actual size - this.width = this.dom.background.offsetWidth; + /** + * simple removeEventListener wrapper + * @method off + * @param {HTMLElement} element + * @param {String} type + * @param {Function} handler + */ + off: function off(element, type, handler) { + element.removeEventListener(type, handler, false); + }, - // apply new height (just always zero for BackgroundGroup - this.dom.background.style.height = '0'; + /** + * forEach over arrays and objects + * @method each + * @param {Object|Array} obj + * @param {Function} iterator + * @param {any} iterator.item + * @param {Number} iterator.index + * @param {Object|Array} iterator.obj the source object + * @param {Object} context value to use as `this` in the iterator + */ + each: function each(obj, iterator, context) { + var i, len; - // update vertical position of items after they are re-stacked and the height of the group is calculated - for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { - var item = this.visibleItems[i]; - item.repositionY(margin); - } + // native forEach on arrays + if('forEach' in obj) { + obj.forEach(iterator, context); + // arrays + } else if(obj.length !== undefined) { + for(i = 0, len = obj.length; i < len; i++) { + if(iterator.call(context, obj[i], i, obj) === false) { + return; + } + } + // objects + } else { + for(i in obj) { + if(obj.hasOwnProperty(i) && + iterator.call(context, obj[i], i, obj) === false) { + return; + } + } + } + }, - return resized; - }; + /** + * find if a string contains the string using indexOf + * @method inStr + * @param {String} src + * @param {String} find + * @return {Boolean} found + */ + inStr: function inStr(src, find) { + return src.indexOf(find) > -1; + }, - /** - * Show this group: attach to the DOM - */ - BackgroundGroup.prototype.show = function() { - if (!this.dom.background.parentNode) { - this.itemSet.dom.background.appendChild(this.dom.background); - } - }; + /** + * find if a array contains the object using indexOf or a simple polyfill + * @method inArray + * @param {String} src + * @param {String} find + * @return {Boolean|Number} false when not found, or the index + */ + inArray: function inArray(src, find) { + if(src.indexOf) { + var index = src.indexOf(find); + return (index === -1) ? false : index; + } else { + for(var i = 0, len = src.length; i < len; i++) { + if(src[i] === find) { + return i; + } + } + return false; + } + }, - module.exports = BackgroundGroup; + /** + * convert an array-like object (`arguments`, `touchlist`) to an array + * @method toArray + * @param {Object} obj + * @return {Array} + */ + toArray: function toArray(obj) { + return Array.prototype.slice.call(obj, 0); + }, + /** + * find if a node is in the given parent + * @method hasParent + * @param {HTMLElement} node + * @param {HTMLElement} parent + * @return {Boolean} found + */ + hasParent: function hasParent(node, parent) { + while(node) { + if(node == parent) { + return true; + } + node = node.parentNode; + } + return false; + }, -/***/ }, -/* 27 */ -/***/ function(module, exports, __webpack_require__) { + /** + * get the center of all the touches + * @method getCenter + * @param {Array} touches + * @return {Object} center contains `pageX`, `pageY`, `clientX` and `clientY` properties + */ + getCenter: function getCenter(touches) { + var pageX = [], + pageY = [], + clientX = [], + clientY = [], + min = Math.min, + max = Math.max; - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); - var DataSet = __webpack_require__(3); - var DataView = __webpack_require__(4); - var Component = __webpack_require__(20); - var Group = __webpack_require__(25); - var BackgroundGroup = __webpack_require__(26); - var BoxItem = __webpack_require__(33); - var PointItem = __webpack_require__(34); - var RangeItem = __webpack_require__(35); - var BackgroundItem = __webpack_require__(32); + // no need to loop when only one touch + if(touches.length === 1) { + return { + pageX: touches[0].pageX, + pageY: touches[0].pageY, + clientX: touches[0].clientX, + clientY: touches[0].clientY + }; + } + Utils.each(touches, function(touch) { + pageX.push(touch.pageX); + pageY.push(touch.pageY); + clientX.push(touch.clientX); + clientY.push(touch.clientY); + }); - var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items - var BACKGROUND = '__background__'; // reserved group id for background items without group + return { + pageX: (min.apply(Math, pageX) + max.apply(Math, pageX)) / 2, + pageY: (min.apply(Math, pageY) + max.apply(Math, pageY)) / 2, + clientX: (min.apply(Math, clientX) + max.apply(Math, clientX)) / 2, + clientY: (min.apply(Math, clientY) + max.apply(Math, clientY)) / 2 + }; + }, - /** - * An ItemSet holds a set of items and ranges which can be displayed in a - * range. The width is determined by the parent of the ItemSet, and the height - * is determined by the size of the items. - * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} body - * @param {Object} [options] See ItemSet.setOptions for the available options. - * @constructor ItemSet - * @extends Component - */ - function ItemSet(body, options) { - this.body = body; + /** + * calculate the velocity between two points. unit is in px per ms. + * @method getVelocity + * @param {Number} deltaTime + * @param {Number} deltaX + * @param {Number} deltaY + * @return {Object} velocity `x` and `y` + */ + getVelocity: function getVelocity(deltaTime, deltaX, deltaY) { + return { + x: Math.abs(deltaX / deltaTime) || 0, + y: Math.abs(deltaY / deltaTime) || 0 + }; + }, - this.defaultOptions = { - type: null, // 'box', 'point', 'range', 'background' - orientation: 'bottom', // 'top' or 'bottom' - align: 'auto', // alignment of box items - stack: true, - groupOrder: null, + /** + * calculate the angle between two coordinates + * @method getAngle + * @param {Touch} touch1 + * @param {Touch} touch2 + * @return {Number} angle + */ + getAngle: function getAngle(touch1, touch2) { + var x = touch2.clientX - touch1.clientX, + y = touch2.clientY - touch1.clientY; - selectable: true, - editable: { - updateTime: false, - updateGroup: false, - add: false, - remove: false + return Math.atan2(y, x) * 180 / Math.PI; }, - onAdd: function (item, callback) { - callback(item); - }, - onUpdate: function (item, callback) { - callback(item); + /** + * do a small comparision to get the direction between two touches. + * @method getDirection + * @param {Touch} touch1 + * @param {Touch} touch2 + * @return {String} direction matches `DIRECTION_LEFT|RIGHT|UP|DOWN` + */ + getDirection: function getDirection(touch1, touch2) { + var x = Math.abs(touch1.clientX - touch2.clientX), + y = Math.abs(touch1.clientY - touch2.clientY); + + if(x >= y) { + return touch1.clientX - touch2.clientX > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; + } + return touch1.clientY - touch2.clientY > 0 ? DIRECTION_UP : DIRECTION_DOWN; }, - onMove: function (item, callback) { - callback(item); + + /** + * calculate the distance between two touches + * @method getDistance + * @param {Touch}touch1 + * @param {Touch} touch2 + * @return {Number} distance + */ + getDistance: function getDistance(touch1, touch2) { + var x = touch2.clientX - touch1.clientX, + y = touch2.clientY - touch1.clientY; + + return Math.sqrt((x * x) + (y * y)); }, - onRemove: function (item, callback) { - callback(item); + + /** + * calculate the scale factor between two touchLists + * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out + * @method getScale + * @param {Array} start array of touches + * @param {Array} end array of touches + * @return {Number} scale + */ + getScale: function getScale(start, end) { + // need two fingers... + if(start.length >= 2 && end.length >= 2) { + return this.getDistance(end[0], end[1]) / this.getDistance(start[0], start[1]); + } + return 1; }, - onMoving: function (item, callback) { - callback(item); + + /** + * calculate the rotation degrees between two touchLists + * @method getRotation + * @param {Array} start array of touches + * @param {Array} end array of touches + * @return {Number} rotation + */ + getRotation: function getRotation(start, end) { + // need two fingers + if(start.length >= 2 && end.length >= 2) { + return this.getAngle(end[1], end[0]) - this.getAngle(start[1], start[0]); + } + return 0; }, - margin: { - item: { - horizontal: 10, - vertical: 10 - }, - axis: 20 + /** + * find out if the direction is vertical * + * @method isVertical + * @param {String} direction matches `DIRECTION_UP|DOWN` + * @return {Boolean} is_vertical + */ + isVertical: function isVertical(direction) { + return direction == DIRECTION_UP || direction == DIRECTION_DOWN; }, - padding: 5 - }; - // options is shared by this ItemSet and all its items - this.options = util.extend({}, this.defaultOptions); + /** + * set css properties with their prefixes + * @param {HTMLElement} element + * @param {String} prop + * @param {String} value + * @param {Boolean} [toggle=true] + * @return {Boolean} + */ + setPrefixedCss: function setPrefixedCss(element, prop, value, toggle) { + var prefixes = ['', 'Webkit', 'Moz', 'O', 'ms']; + prop = Utils.toCamelCase(prop); - // options for getting items from the DataSet with the correct type - this.itemOptions = { - type: {start: 'Date', end: 'Date'} - }; + for(var i = 0; i < prefixes.length; i++) { + var p = prop; + // prefixes + if(prefixes[i]) { + p = prefixes[i] + p.slice(0, 1).toUpperCase() + p.slice(1); + } - this.conversion = { - toScreen: body.util.toScreen, - toTime: body.util.toTime - }; - this.dom = {}; - this.props = {}; - this.hammer = null; + // test the style + if(p in element.style) { + element.style[p] = (toggle == null || toggle) && value || ''; + break; + } + } + }, - var me = this; - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + /** + * toggle browser default behavior by setting css properties. + * `userSelect='none'` also sets `element.onselectstart` to false + * `userDrag='none'` also sets `element.ondragstart` to false + * + * @method toggleBehavior + * @param {HtmlElement} element + * @param {Object} props + * @param {Boolean} [toggle=true] + */ + toggleBehavior: function toggleBehavior(element, props, toggle) { + if(!props || !element || !element.style) { + return; + } - // listeners for the DataSet of the items - this.itemListeners = { - 'add': function (event, params, senderId) { - me._onAdd(params.items); - }, - 'update': function (event, params, senderId) { - me._onUpdate(params.items); + // set the css properties + Utils.each(props, function(value, prop) { + Utils.setPrefixedCss(element, prop, value, toggle); + }); + + var falseFn = toggle && function() { + return false; + }; + + // also the disable onselectstart + if(props.userSelect == 'none') { + element.onselectstart = falseFn; + } + // and disable ondragstart + if(props.userDrag == 'none') { + element.ondragstart = falseFn; + } }, - 'remove': function (event, params, senderId) { - me._onRemove(params.items); + + /** + * convert a string with underscores to camelCase + * so prevent_default becomes preventDefault + * @param {String} str + * @return {String} camelCaseStr + */ + toCamelCase: function toCamelCase(str) { + return str.replace(/[_-]([a-z])/g, function(s) { + return s[1].toUpperCase(); + }); } - }; + }; - // listeners for the DataSet of the groups - this.groupListeners = { - 'add': function (event, params, senderId) { - me._onAddGroups(params.items); + + /** + * @module hammer + */ + /** + * @class Event + * @static + */ + var Event = Hammer.event = { + /** + * when touch events have been fired, this is true + * this is used to stop mouse events + * @property prevent_mouseevents + * @private + * @type {Boolean} + */ + preventMouseEvents: false, + + /** + * if EVENT_START has been fired + * @property started + * @private + * @type {Boolean} + */ + started: false, + + /** + * when the mouse is hold down, this is true + * @property should_detect + * @private + * @type {Boolean} + */ + shouldDetect: false, + + /** + * simple event binder with a hook and support for multiple types + * @method on + * @param {HTMLElement} element + * @param {String} type + * @param {Function} handler + * @param {Function} [hook] + * @param {Object} hook.type + */ + on: function on(element, type, handler, hook) { + var types = type.split(' '); + Utils.each(types, function(type) { + Utils.on(element, type, handler); + hook && hook(type); + }); }, - 'update': function (event, params, senderId) { - me._onUpdateGroups(params.items); + + /** + * simple event unbinder with a hook and support for multiple types + * @method off + * @param {HTMLElement} element + * @param {String} type + * @param {Function} handler + * @param {Function} [hook] + * @param {Object} hook.type + */ + off: function off(element, type, handler, hook) { + var types = type.split(' '); + Utils.each(types, function(type) { + Utils.off(element, type, handler); + hook && hook(type); + }); }, - 'remove': function (event, params, senderId) { - me._onRemoveGroups(params.items); - } - }; - - this.items = {}; // object with an Item for every data item - this.groups = {}; // Group object for every group - this.groupIds = []; - - this.selection = []; // list with the ids of all selected nodes - this.stackDirty = true; // if true, all items will be restacked on next redraw - - this.touchParams = {}; // stores properties while dragging - // create the HTML DOM - this._create(); + /** + * the core touch event handler. + * this finds out if we should to detect gestures + * @method onTouch + * @param {HTMLElement} element + * @param {String} eventType matches `EVENT_START|MOVE|END` + * @param {Function} handler + * @return onTouchHandler {Function} the core event handler + */ + onTouch: function onTouch(element, eventType, handler) { + var self = this; - this.setOptions(options); - } + var onTouchHandler = function onTouchHandler(ev) { + var srcType = ev.type.toLowerCase(), + isPointer = Hammer.HAS_POINTEREVENTS, + isMouse = Utils.inStr(srcType, 'mouse'), + triggerType; - ItemSet.prototype = new Component(); + // if we are in a mouseevent, but there has been a touchevent triggered in this session + // we want to do nothing. simply break out of the event. + if(isMouse && self.preventMouseEvents) { + return; - // available item types will be registered here - ItemSet.types = { - background: BackgroundItem, - box: BoxItem, - range: RangeItem, - point: PointItem - }; + // mousebutton must be down + } else if(isMouse && eventType == EVENT_START && ev.button === 0) { + self.preventMouseEvents = false; + self.shouldDetect = true; + } else if(isPointer && eventType == EVENT_START) { + self.shouldDetect = (ev.buttons === 1 || PointerEvent.matchType(POINTER_TOUCH, ev)); + // just a valid start event, but no mouse + } else if(!isMouse && eventType == EVENT_START) { + self.preventMouseEvents = true; + self.shouldDetect = true; + } - /** - * Create the HTML DOM for the ItemSet - */ - ItemSet.prototype._create = function(){ - var frame = document.createElement('div'); - frame.className = 'itemset'; - frame['timeline-itemset'] = this; - this.dom.frame = frame; + // update the pointer event before entering the detection + if(isPointer && eventType != EVENT_END) { + PointerEvent.updatePointer(eventType, ev); + } - // create background panel - var background = document.createElement('div'); - background.className = 'background'; - frame.appendChild(background); - this.dom.background = background; + // we are in a touch/down state, so allowed detection of gestures + if(self.shouldDetect) { + triggerType = self.doDetect.call(self, ev, eventType, element, handler); + } - // create foreground panel - var foreground = document.createElement('div'); - foreground.className = 'foreground'; - frame.appendChild(foreground); - this.dom.foreground = foreground; + // ...and we are done with the detection + // so reset everything to start each detection totally fresh + if(triggerType == EVENT_END) { + self.preventMouseEvents = false; + self.shouldDetect = false; + PointerEvent.reset(); + // update the pointerevent object after the detection + } - // create axis panel - var axis = document.createElement('div'); - axis.className = 'axis'; - this.dom.axis = axis; + if(isPointer && eventType == EVENT_END) { + PointerEvent.updatePointer(eventType, ev); + } + }; - // create labelset - var labelSet = document.createElement('div'); - labelSet.className = 'labelset'; - this.dom.labelSet = labelSet; + this.on(element, EVENT_TYPES[eventType], onTouchHandler); + return onTouchHandler; + }, - // create ungrouped Group - this._updateUngrouped(); + /** + * the core detection method + * this finds out what hammer-touch-events to trigger + * @method doDetect + * @param {Object} ev + * @param {String} eventType matches `EVENT_START|MOVE|END` + * @param {HTMLElement} element + * @param {Function} handler + * @return {String} triggerType matches `EVENT_START|MOVE|END` + */ + doDetect: function doDetect(ev, eventType, element, handler) { + var touchList = this.getTouchList(ev, eventType); + var touchListLength = touchList.length; + var triggerType = eventType; + var triggerChange = touchList.trigger; // used by fakeMultitouch plugin + var changedLength = touchListLength; - // create background Group - var backgroundGroup = new BackgroundGroup(BACKGROUND, null, this); - backgroundGroup.show(); - this.groups[BACKGROUND] = backgroundGroup; + // at each touchstart-like event we want also want to trigger a TOUCH event... + if(eventType == EVENT_START) { + triggerChange = EVENT_TOUCH; + // ...the same for a touchend-like event + } else if(eventType == EVENT_END) { + triggerChange = EVENT_RELEASE; - // attach event listeners - // Note: we bind to the centerContainer for the case where the height - // of the center container is larger than of the ItemSet, so we - // can click in the empty area to create a new item or deselect an item. - this.hammer = Hammer(this.body.dom.centerContainer, { - preventDefault: true - }); + // keep track of how many touches have been removed + changedLength = touchList.length - ((ev.changedTouches) ? ev.changedTouches.length : 1); + } - // drag items when selected - this.hammer.on('touch', this._onTouch.bind(this)); - this.hammer.on('dragstart', this._onDragStart.bind(this)); - this.hammer.on('drag', this._onDrag.bind(this)); - this.hammer.on('dragend', this._onDragEnd.bind(this)); + // after there are still touches on the screen, + // we just want to trigger a MOVE event. so change the START or END to a MOVE + // but only after detection has been started, the first time we actualy want a START + if(changedLength > 0 && this.started) { + triggerType = EVENT_MOVE; + } - // single select (or unselect) when tapping an item - this.hammer.on('tap', this._onSelectItem.bind(this)); + // detection has been started, we keep track of this, see above + this.started = true; - // multi select when holding mouse/touch, or on ctrl+click - this.hammer.on('hold', this._onMultiSelectItem.bind(this)); + // generate some event data, some basic information + var evData = this.collectEventData(element, triggerType, touchList, ev); - // add item on doubletap - this.hammer.on('doubletap', this._onAddItem.bind(this)); + // trigger the triggerType event before the change (TOUCH, RELEASE) events + // but the END event should be at last + if(eventType != EVENT_END) { + handler.call(Detection, evData); + } - // attach to the DOM - this.show(); - }; + // trigger a change (TOUCH, RELEASE) event, this means the length of the touches changed + if(triggerChange) { + evData.changedLength = changedLength; + evData.eventType = triggerChange; - /** - * Set options for the ItemSet. Existing options will be extended/overwritten. - * @param {Object} [options] The following options are available: - * {String} type - * Default type for the items. Choose from 'box' - * (default), 'point', 'range', or 'background'. - * The default style can be overwritten by - * individual items. - * {String} align - * Alignment for the items, only applicable for - * BoxItem. Choose 'center' (default), 'left', or - * 'right'. - * {String} orientation - * Orientation of the item set. Choose 'top' or - * 'bottom' (default). - * {Function} groupOrder - * A sorting function for ordering groups - * {Boolean} stack - * If true (deafult), items will be stacked on - * top of each other. - * {Number} margin.axis - * Margin between the axis and the items in pixels. - * Default is 20. - * {Number} margin.item.horizontal - * Horizontal margin between items in pixels. - * Default is 10. - * {Number} margin.item.vertical - * Vertical Margin between items in pixels. - * Default is 10. - * {Number} margin.item - * Margin between items in pixels in both horizontal - * and vertical direction. Default is 10. - * {Number} margin - * Set margin for both axis and items in pixels. - * {Number} padding - * Padding of the contents of an item in pixels. - * Must correspond with the items css. Default is 5. - * {Boolean} selectable - * If true (default), items can be selected. - * {Boolean} editable - * Set all editable options to true or false - * {Boolean} editable.updateTime - * Allow dragging an item to an other moment in time - * {Boolean} editable.updateGroup - * Allow dragging an item to an other group - * {Boolean} editable.add - * Allow creating new items on double tap - * {Boolean} editable.remove - * Allow removing items by clicking the delete button - * top right of a selected item. - * {Function(item: Item, callback: Function)} onAdd - * Callback function triggered when an item is about to be added: - * when the user double taps an empty space in the Timeline. - * {Function(item: Item, callback: Function)} onUpdate - * Callback function fired when an item is about to be updated. - * This function typically has to show a dialog where the user - * change the item. If not implemented, nothing happens. - * {Function(item: Item, callback: Function)} onMove - * Fired when an item has been moved. If not implemented, - * the move action will be accepted. - * {Function(item: Item, callback: Function)} onRemove - * Fired when an item is about to be deleted. - * If not implemented, the item will be always removed. - */ - ItemSet.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - var fields = ['type', 'align', 'orientation', 'padding', 'stack', 'selectable', 'groupOrder', 'dataAttributes', 'template','hide']; - util.selectiveExtend(fields, this.options, options); + handler.call(Detection, evData); - if ('margin' in options) { - if (typeof options.margin === 'number') { - this.options.margin.axis = options.margin; - this.options.margin.item.horizontal = options.margin; - this.options.margin.item.vertical = options.margin; - } - else if (typeof options.margin === 'object') { - util.selectiveExtend(['axis'], this.options.margin, options.margin); - if ('item' in options.margin) { - if (typeof options.margin.item === 'number') { - this.options.margin.item.horizontal = options.margin.item; - this.options.margin.item.vertical = options.margin.item; - } - else if (typeof options.margin.item === 'object') { - util.selectiveExtend(['horizontal', 'vertical'], this.options.margin.item, options.margin.item); - } + evData.eventType = triggerType; + delete evData.changedLength; } - } - } - if ('editable' in options) { - if (typeof options.editable === 'boolean') { - this.options.editable.updateTime = options.editable; - this.options.editable.updateGroup = options.editable; - this.options.editable.add = options.editable; - this.options.editable.remove = options.editable; - } - else if (typeof options.editable === 'object') { - util.selectiveExtend(['updateTime', 'updateGroup', 'add', 'remove'], this.options.editable, options.editable); - } - } + // trigger the END event + if(triggerType == EVENT_END) { + handler.call(Detection, evData); - // callback functions - var addCallback = (function (name) { - var fn = options[name]; - if (fn) { - if (!(fn instanceof Function)) { - throw new Error('option ' + name + ' must be a function ' + name + '(item, callback)'); + // ...and we are done with the detection + // so reset everything to start each detection totally fresh + this.started = false; } - this.options[name] = fn; - } - }).bind(this); - ['onAdd', 'onUpdate', 'onRemove', 'onMove', 'onMoving'].forEach(addCallback); - // force the itemSet to refresh: options like orientation and margins may be changed - this.markDirty(); - } - }; - - /** - * Mark the ItemSet dirty so it will refresh everything with next redraw - */ - ItemSet.prototype.markDirty = function() { - this.groupIds = []; - this.stackDirty = true; - }; + return triggerType; + }, - /** - * Destroy the ItemSet - */ - ItemSet.prototype.destroy = function() { - this.hide(); - this.setItems(null); - this.setGroups(null); + /** + * we have different events for each device/browser + * determine what we need and set them in the EVENT_TYPES constant + * the `onTouch` method is bind to these properties. + * @method determineEventTypes + * @return {Object} events + */ + determineEventTypes: function determineEventTypes() { + var types; + if(Hammer.HAS_POINTEREVENTS) { + if(window.PointerEvent) { + types = [ + 'pointerdown', + 'pointermove', + 'pointerup pointercancel lostpointercapture' + ]; + } else { + types = [ + 'MSPointerDown', + 'MSPointerMove', + 'MSPointerUp MSPointerCancel MSLostPointerCapture' + ]; + } + } else if(Hammer.NO_MOUSEEVENTS) { + types = [ + 'touchstart', + 'touchmove', + 'touchend touchcancel' + ]; + } else { + types = [ + 'touchstart mousedown', + 'touchmove mousemove', + 'touchend touchcancel mouseup' + ]; + } - this.hammer = null; + EVENT_TYPES[EVENT_START] = types[0]; + EVENT_TYPES[EVENT_MOVE] = types[1]; + EVENT_TYPES[EVENT_END] = types[2]; + return EVENT_TYPES; + }, - this.body = null; - this.conversion = null; - }; + /** + * create touchList depending on the event + * @method getTouchList + * @param {Object} ev + * @param {String} eventType + * @return {Array} touches + */ + getTouchList: function getTouchList(ev, eventType) { + // get the fake pointerEvent touchlist + if(Hammer.HAS_POINTEREVENTS) { + return PointerEvent.getTouchList(); + } - /** - * Hide the component from the DOM - */ - ItemSet.prototype.hide = function() { - // remove the frame containing the items - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } + // get the touchlist + if(ev.touches) { + if(eventType == EVENT_MOVE) { + return ev.touches; + } - // remove the axis with dots - if (this.dom.axis.parentNode) { - this.dom.axis.parentNode.removeChild(this.dom.axis); - } + var identifiers = []; + var concat = [].concat(Utils.toArray(ev.touches), Utils.toArray(ev.changedTouches)); + var touchList = []; - // remove the labelset containing all group labels - if (this.dom.labelSet.parentNode) { - this.dom.labelSet.parentNode.removeChild(this.dom.labelSet); - } - }; + Utils.each(concat, function(touch) { + if(Utils.inArray(identifiers, touch.identifier) === false) { + touchList.push(touch); + } + identifiers.push(touch.identifier); + }); - /** - * Show the component in the DOM (when not already visible). - * @return {Boolean} changed - */ - ItemSet.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); - } + return touchList; + } - // show axis with dots - if (!this.dom.axis.parentNode) { - this.body.dom.backgroundVertical.appendChild(this.dom.axis); - } + // make fake touchList from mouse position + ev.identifier = 1; + return [ev]; + }, - // show labelset containing labels - if (!this.dom.labelSet.parentNode) { - this.body.dom.left.appendChild(this.dom.labelSet); - } - }; + /** + * collect basic event data + * @method collectEventData + * @param {HTMLElement} element + * @param {String} eventType matches `EVENT_START|MOVE|END` + * @param {Array} touches + * @param {Object} ev + * @return {Object} ev + */ + collectEventData: function collectEventData(element, eventType, touches, ev) { + // find out pointerType + var pointerType = POINTER_TOUCH; + if(Utils.inStr(ev.type, 'mouse') || PointerEvent.matchType(POINTER_MOUSE, ev)) { + pointerType = POINTER_MOUSE; + } else if(PointerEvent.matchType(POINTER_PEN, ev)) { + pointerType = POINTER_PEN; + } - /** - * Set selected items by their id. Replaces the current selection - * Unknown id's are silently ignored. - * @param {string[] | string} [ids] An array with zero or more id's of the items to be - * selected, or a single item id. If ids is undefined - * or an empty array, all items will be unselected. - */ - ItemSet.prototype.setSelection = function(ids) { - var i, ii, id, item; + return { + center: Utils.getCenter(touches), + timeStamp: Date.now(), + target: ev.target, + touches: touches, + eventType: eventType, + pointerType: pointerType, + srcEvent: ev, - if (ids == undefined) ids = []; - if (!Array.isArray(ids)) ids = [ids]; + /** + * prevent the browser default actions + * mostly used to disable scrolling of the browser + */ + preventDefault: function() { + var srcEvent = this.srcEvent; + srcEvent.preventManipulation && srcEvent.preventManipulation(); + srcEvent.preventDefault && srcEvent.preventDefault(); + }, - // unselect currently selected items - for (i = 0, ii = this.selection.length; i < ii; i++) { - id = this.selection[i]; - item = this.items[id]; - if (item) item.unselect(); - } + /** + * stop bubbling the event up to its parents + */ + stopPropagation: function() { + this.srcEvent.stopPropagation(); + }, - // select items - this.selection = []; - for (i = 0, ii = ids.length; i < ii; i++) { - id = ids[i]; - item = this.items[id]; - if (item) { - this.selection.push(id); - item.select(); + /** + * immediately stop gesture detection + * might be useful after a swipe was detected + * @return {*} + */ + stopDetect: function() { + return Detection.stopDetect(); + } + }; } - } - }; - - /** - * Get the selected items by their id - * @return {Array} ids The ids of the selected items - */ - ItemSet.prototype.getSelection = function() { - return this.selection.concat([]); }; + /** - * Get the id's of the currently visible items. - * @returns {Array} The ids of the visible items + * @module hammer + * + * @class PointerEvent + * @static */ - ItemSet.prototype.getVisibleItems = function() { - var range = this.body.range.getRange(); - var left = this.body.util.toScreen(range.start); - var right = this.body.util.toScreen(range.end); + var PointerEvent = Hammer.PointerEvent = { + /** + * holds all pointers, by `identifier` + * @property pointers + * @type {Object} + */ + pointers: {}, - var ids = []; - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - var group = this.groups[groupId]; - var rawVisibleItems = group.visibleItems; + /** + * get the pointers as an array + * @method getTouchList + * @return {Array} touchlist + */ + getTouchList: function getTouchList() { + var touchlist = []; + // we can use forEach since pointerEvents only is in IE10 + Utils.each(this.pointers, function(pointer) { + touchlist.push(pointer); + }); + return touchlist; + }, - // filter the "raw" set with visibleItems into a set which is really - // visible by pixels - for (var i = 0; i < rawVisibleItems.length; i++) { - var item = rawVisibleItems[i]; - // TODO: also check whether visible vertically - if ((item.left < right) && (item.left + item.width > left)) { - ids.push(item.id); + /** + * update the position of a pointer + * @method updatePointer + * @param {String} eventType matches `EVENT_START|MOVE|END` + * @param {Object} pointerEvent + */ + updatePointer: function updatePointer(eventType, pointerEvent) { + if(eventType == EVENT_END || (eventType != EVENT_END && pointerEvent.buttons !== 1)) { + delete this.pointers[pointerEvent.pointerId]; + } else { + pointerEvent.identifier = pointerEvent.pointerId; + this.pointers[pointerEvent.pointerId] = pointerEvent; } - } - } - } + }, - return ids; - }; + /** + * check if ev matches pointertype + * @method matchType + * @param {String} pointerType matches `POINTER_MOUSE|TOUCH|PEN` + * @param {PointerEvent} ev + */ + matchType: function matchType(pointerType, ev) { + if(!ev.pointerType) { + return false; + } - /** - * Deselect a selected item - * @param {String | Number} id - * @private - */ - ItemSet.prototype._deselect = function(id) { - var selection = this.selection; - for (var i = 0, ii = selection.length; i < ii; i++) { - if (selection[i] == id) { // non-strict comparison! - selection.splice(i, 1); - break; + var pt = ev.pointerType, + types = {}; + + types[POINTER_MOUSE] = (pt === (ev.MSPOINTER_TYPE_MOUSE || POINTER_MOUSE)); + types[POINTER_TOUCH] = (pt === (ev.MSPOINTER_TYPE_TOUCH || POINTER_TOUCH)); + types[POINTER_PEN] = (pt === (ev.MSPOINTER_TYPE_PEN || POINTER_PEN)); + return types[pointerType]; + }, + + /** + * reset the stored pointers + * @method reset + */ + reset: function resetList() { + this.pointers = {}; } - } }; + /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * @module hammer + * + * @class Detection + * @static */ - ItemSet.prototype.redraw = function() { - var margin = this.options.margin, - range = this.body.range, - asSize = util.option.asSize, - options = this.options, - orientation = options.orientation, - resized = false, - frame = this.dom.frame, - editable = options.editable.updateTime || options.editable.updateGroup; - - // recalculate absolute position (before redrawing groups) - this.props.top = this.body.domProps.top.height + this.body.domProps.border.top; - this.props.left = this.body.domProps.left.width + this.body.domProps.border.left; - - // update class name - frame.className = 'itemset' + (editable ? ' editable' : ''); - - // reorder the groups (if needed) - resized = this._orderGroups() || resized; - - // check whether zoomed (in that case we need to re-stack everything) - // TODO: would be nicer to get this as a trigger from Range - var visibleInterval = range.end - range.start; - var zoomed = (visibleInterval != this.lastVisibleInterval) || (this.props.width != this.props.lastWidth); - if (zoomed) this.stackDirty = true; - this.lastVisibleInterval = visibleInterval; - this.props.lastWidth = this.props.width; - - var restack = this.stackDirty; - var firstGroup = this._firstGroup(); - var firstMargin = { - item: margin.item, - axis: margin.axis - }; - var nonFirstMargin = { - item: margin.item, - axis: margin.item.vertical / 2 - }; - var height = 0; - var minHeight = margin.axis + margin.item.vertical; + var Detection = Hammer.detection = { + // contains all registred Hammer.gestures in the correct order + gestures: [], - // redraw the background group - this.groups[BACKGROUND].redraw(range, nonFirstMargin, restack); + // data of the current Hammer.gesture detection session + current: null, - // redraw all regular groups - util.forEach(this.groups, function (group) { - var groupMargin = (group == firstGroup) ? firstMargin : nonFirstMargin; - var groupResized = group.redraw(range, groupMargin, restack); - resized = groupResized || resized; - height += group.height; - }); - height = Math.max(height, minHeight); - this.stackDirty = false; + // the previous Hammer.gesture session data + // is a full clone of the previous gesture.current object + previous: null, - // update frame height - frame.style.height = asSize(height); + // when this becomes true, no gestures are fired + stopped: false, - // calculate actual size - this.props.width = frame.offsetWidth; - this.props.height = height; + /** + * start Hammer.gesture detection + * @method startDetect + * @param {Hammer.Instance} inst + * @param {Object} eventData + */ + startDetect: function startDetect(inst, eventData) { + // already busy with a Hammer.gesture detection on an element + if(this.current) { + return; + } - // reposition axis - this.dom.axis.style.top = asSize((orientation == 'top') ? - (this.body.domProps.top.height + this.body.domProps.border.top) : - (this.body.domProps.top.height + this.body.domProps.centerContainer.height)); - this.dom.axis.style.left = '0'; + this.stopped = false; - // check if this component is resized - resized = this._isResized() || resized; + // holds current session + this.current = { + inst: inst, // reference to HammerInstance we're working for + startEvent: Utils.extend({}, eventData), // start eventData for distances, timing etc + lastEvent: false, // last eventData + lastCalcEvent: false, // last eventData for calculations. + futureCalcEvent: false, // last eventData for calculations. + lastCalcData: {}, // last lastCalcData + name: '' // current gesture we're in/detected, can be 'tap', 'hold' etc + }; - return resized; - }; + this.detect(eventData); + }, - /** - * Get the first group, aligned with the axis - * @return {Group | null} firstGroup - * @private - */ - ItemSet.prototype._firstGroup = function() { - var firstGroupIndex = (this.options.orientation == 'top') ? 0 : (this.groupIds.length - 1); - var firstGroupId = this.groupIds[firstGroupIndex]; - var firstGroup = this.groups[firstGroupId] || this.groups[UNGROUPED]; + /** + * Hammer.gesture detection + * @method detect + * @param {Object} eventData + * @return {any} + */ + detect: function detect(eventData) { + if(!this.current || this.stopped) { + return; + } - return firstGroup || null; - }; + // extend event data with calculations about scale, distance etc + eventData = this.extendEventData(eventData); - /** - * Create or delete the group holding all ungrouped items. This group is used when - * there are no groups specified. - * @protected - */ - ItemSet.prototype._updateUngrouped = function() { - var ungrouped = this.groups[UNGROUPED]; - var background = this.groups[BACKGROUND]; - var item, itemId; + // hammer instance and instance options + var inst = this.current.inst, + instOptions = inst.options; - if (this.groupsData) { - // remove the group holding all ungrouped items - if (ungrouped) { - ungrouped.hide(); - delete this.groups[UNGROUPED]; + // call Hammer.gesture handlers + Utils.each(this.gestures, function triggerGesture(gesture) { + // only when the instance options have enabled this gesture + if(!this.stopped && inst.enabled && instOptions[gesture.name]) { + gesture.handler.call(gesture, eventData, inst); + } + }, this); - for (itemId in this.items) { - if (this.items.hasOwnProperty(itemId)) { - item = this.items[itemId]; - item.parent && item.parent.remove(item); - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - group && group.add(item) || item.hide(); + // store as previous event event + if(this.current) { + this.current.lastEvent = eventData; } - } - } - } - else { - // create a group holding all (unfiltered) items - if (!ungrouped) { - var id = null; - var data = null; - ungrouped = new Group(id, data, this); - this.groups[UNGROUPED] = ungrouped; - for (itemId in this.items) { - if (this.items.hasOwnProperty(itemId)) { - item = this.items[itemId]; - ungrouped.add(item); + if(eventData.eventType == EVENT_END) { + this.stopDetect(); } - } - - ungrouped.show(); - } - } - }; - /** - * Get the element for the labelset - * @return {HTMLElement} labelSet - */ - ItemSet.prototype.getLabelSet = function() { - return this.dom.labelSet; - }; + return eventData; + }, - /** - * Set items - * @param {vis.DataSet | null} items - */ - ItemSet.prototype.setItems = function(items) { - var me = this, - ids, - oldItemsData = this.itemsData; + /** + * clear the Hammer.gesture vars + * this is called on endDetect, but can also be used when a final Hammer.gesture has been detected + * to stop other Hammer.gestures from being fired + * @method stopDetect + */ + stopDetect: function stopDetect() { + // clone current data to the store as the previous gesture + // used for the double tap gesture, since this is an other gesture detect session + this.previous = Utils.extend({}, this.current); - // replace the dataset - if (!items) { - this.itemsData = null; - } - else if (items instanceof DataSet || items instanceof DataView) { - this.itemsData = items; - } - else { - throw new TypeError('Data must be an instance of DataSet or DataView'); - } + // reset the current + this.current = null; + this.stopped = true; + }, - if (oldItemsData) { - // unsubscribe from old dataset - util.forEach(this.itemListeners, function (callback, event) { - oldItemsData.off(event, callback); - }); + /** + * calculate velocity, angle and direction + * @method getVelocityData + * @param {Object} ev + * @param {Object} center + * @param {Number} deltaTime + * @param {Number} deltaX + * @param {Number} deltaY + */ + getCalculatedData: function getCalculatedData(ev, center, deltaTime, deltaX, deltaY) { + var cur = this.current, + recalc = false, + calcEv = cur.lastCalcEvent, + calcData = cur.lastCalcData; - // remove all drawn items - ids = oldItemsData.getIds(); - this._onRemove(ids); - } + if(calcEv && ev.timeStamp - calcEv.timeStamp > Hammer.CALCULATE_INTERVAL) { + center = calcEv.center; + deltaTime = ev.timeStamp - calcEv.timeStamp; + deltaX = ev.center.clientX - calcEv.center.clientX; + deltaY = ev.center.clientY - calcEv.center.clientY; + recalc = true; + } - if (this.itemsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.itemListeners, function (callback, event) { - me.itemsData.on(event, callback, id); - }); + if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { + cur.futureCalcEvent = ev; + } - // add all new items - ids = this.itemsData.getIds(); - this._onAdd(ids); + if(!cur.lastCalcEvent || recalc) { + calcData.velocity = Utils.getVelocity(deltaTime, deltaX, deltaY); + calcData.angle = Utils.getAngle(center, ev.center); + calcData.direction = Utils.getDirection(center, ev.center); - // update the group holding all ungrouped items - this._updateUngrouped(); - } - }; + cur.lastCalcEvent = cur.futureCalcEvent || ev; + cur.futureCalcEvent = ev; + } - /** - * Get the current items - * @returns {vis.DataSet | null} - */ - ItemSet.prototype.getItems = function() { - return this.itemsData; - }; + ev.velocityX = calcData.velocity.x; + ev.velocityY = calcData.velocity.y; + ev.interimAngle = calcData.angle; + ev.interimDirection = calcData.direction; + }, - /** - * Set groups - * @param {vis.DataSet} groups - */ - ItemSet.prototype.setGroups = function(groups) { - var me = this, - ids; + /** + * extend eventData for Hammer.gestures + * @method extendEventData + * @param {Object} ev + * @return {Object} ev + */ + extendEventData: function extendEventData(ev) { + var cur = this.current, + startEv = cur.startEvent, + lastEv = cur.lastEvent || startEv; - // unsubscribe from current dataset - if (this.groupsData) { - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.unsubscribe(event, callback); - }); + // update the start touchlist to calculate the scale/rotation + if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { + startEv.touches = []; + Utils.each(ev.touches, function(touch) { + startEv.touches.push({ + clientX: touch.clientX, + clientY: touch.clientY + }); + }); + } - // remove all drawn groups - ids = this.groupsData.getIds(); - this.groupsData = null; - this._onRemoveGroups(ids); // note: this will cause a redraw - } + var deltaTime = ev.timeStamp - startEv.timeStamp, + deltaX = ev.center.clientX - startEv.center.clientX, + deltaY = ev.center.clientY - startEv.center.clientY; - // replace the dataset - if (!groups) { - this.groupsData = null; - } - else if (groups instanceof DataSet || groups instanceof DataView) { - this.groupsData = groups; - } - else { - throw new TypeError('Data must be an instance of DataSet or DataView'); - } + this.getCalculatedData(ev, lastEv.center, deltaTime, deltaX, deltaY); - if (this.groupsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.on(event, callback, id); - }); + Utils.extend(ev, { + startEvent: startEv, - // draw all ms - ids = this.groupsData.getIds(); - this._onAddGroups(ids); - } + deltaTime: deltaTime, + deltaX: deltaX, + deltaY: deltaY, - // update the group holding all ungrouped items - this._updateUngrouped(); + distance: Utils.getDistance(startEv.center, ev.center), + angle: Utils.getAngle(startEv.center, ev.center), + direction: Utils.getDirection(startEv.center, ev.center), + scale: Utils.getScale(startEv.touches, ev.touches), + rotation: Utils.getRotation(startEv.touches, ev.touches) + }); - // update the order of all items in each group - this._order(); + return ev; + }, - this.body.emitter.emit('change', {queue: true}); - }; + /** + * register new gesture + * @method register + * @param {Object} gesture object, see `gestures/` for documentation + * @return {Array} gestures + */ + register: function register(gesture) { + // add an enable gesture options if there is no given + var options = gesture.defaults || {}; + if(options[gesture.name] === undefined) { + options[gesture.name] = true; + } - /** - * Get the current groups - * @returns {vis.DataSet | null} groups - */ - ItemSet.prototype.getGroups = function() { - return this.groupsData; - }; + // extend Hammer default options with the Hammer.gesture options + Utils.extend(Hammer.defaults, options, true); - /** - * Remove an item by its id - * @param {String | Number} id - */ - ItemSet.prototype.removeItem = function(id) { - var item = this.itemsData.get(id), - dataset = this.itemsData.getDataSet(); + // set its index + gesture.index = gesture.index || 1000; - if (item) { - // confirm deletion - this.options.onRemove(item, function (item) { - if (item) { - // remove by id here, it is possible that an item has no id defined - // itself, so better not delete by the item itself - dataset.remove(id); - } - }); - } - }; + // add Hammer.gesture to the list + this.gestures.push(gesture); - /** - * Get the time of an item based on it's data and options.type - * @param {Object} itemData - * @returns {string} Returns the type - * @private - */ - ItemSet.prototype._getType = function (itemData) { - return itemData.type || this.options.type || (itemData.end ? 'range' : 'box'); + // sort the list by index + this.gestures.sort(function(a, b) { + if(a.index < b.index) { + return -1; + } + if(a.index > b.index) { + return 1; + } + return 0; + }); + + return this.gestures; + } }; /** - * Get the group id for an item - * @param {Object} itemData - * @returns {string} Returns the groupId - * @private + * @module hammer */ - ItemSet.prototype._getGroupId = function (itemData) { - var type = this._getType(itemData); - if (type == 'background' && itemData.group == undefined) { - return BACKGROUND; - } - else { - return this.groupsData ? itemData.group : UNGROUPED; - } - }; /** - * Handle updated items - * @param {Number[]} ids - * @protected + * create new hammer instance + * all methods should return the instance itself, so it is chainable. + * + * @class Instance + * @constructor + * @param {HTMLElement} element + * @param {Object} [options={}] options are merged with `Hammer.defaults` + * @return {Hammer.Instance} */ - ItemSet.prototype._onUpdate = function(ids) { - var me = this; - - ids.forEach(function (id) { - var itemData = me.itemsData.get(id, me.itemOptions); - var item = me.items[id]; - var type = me._getType(itemData); + Hammer.Instance = function(element, options) { + var self = this; - var constructor = ItemSet.types[type]; + // setup HammerJS window events and register all gestures + // this also sets up the default options + setup(); - if (item) { - // update item - if (!constructor || !(item instanceof constructor)) { - // item type has changed, delete the item and recreate it - me._removeItem(item); - item = null; - } - else { - me._updateItem(item, itemData); - } - } + /** + * @property element + * @type {HTMLElement} + */ + this.element = element; - if (!item) { - // create item - if (constructor) { - item = new constructor(itemData, me.conversion, me.options); - item.id = id; // TODO: not so nice setting id afterwards - me._addItem(item); - } - else if (type == 'rangeoverflow') { - // TODO: deprecated since version 2.1.0 (or 3.0.0?). cleanup some day - throw new TypeError('Item type "rangeoverflow" is deprecated. Use css styling instead: ' + - '.vis.timeline .item.range .content {overflow: visible;}'); - } - else { - throw new TypeError('Unknown item type "' + type + '"'); - } - } - }); + /** + * @property enabled + * @type {Boolean} + * @protected + */ + this.enabled = true; - this._order(); - this.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change', {queue: true}); - }; + /** + * options, merged with the defaults + * options with an _ are converted to camelCase + * @property options + * @type {Object} + */ + Utils.each(options, function(value, name) { + delete options[name]; + options[Utils.toCamelCase(name)] = value; + }); - /** - * Handle added items - * @param {Number[]} ids - * @protected - */ - ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; + this.options = Utils.extend(Utils.extend({}, Hammer.defaults), options || {}); - /** - * Handle removed items - * @param {Number[]} ids - * @protected - */ - ItemSet.prototype._onRemove = function(ids) { - var count = 0; - var me = this; - ids.forEach(function (id) { - var item = me.items[id]; - if (item) { - count++; - me._removeItem(item); + // add some css to the element to prevent the browser from doing its native behavoir + if(this.options.behavior) { + Utils.toggleBehavior(this.element, this.options.behavior, true); } - }); - - if (count) { - // update order - this._order(); - this.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change', {queue: true}); - } - }; - /** - * Update the order of item in all groups - * @private - */ - ItemSet.prototype._order = function() { - // reorder the items in all groups - // TODO: optimization: only reorder groups affected by the changed items - util.forEach(this.groups, function (group) { - group.order(); - }); - }; + /** + * event start handler on the element to start the detection + * @property eventStartHandler + * @type {Object} + */ + this.eventStartHandler = Event.onTouch(element, EVENT_START, function(ev) { + if(self.enabled && ev.eventType == EVENT_START) { + Detection.startDetect(self, ev); + } else if(ev.eventType == EVENT_TOUCH) { + Detection.detect(ev); + } + }); - /** - * Handle updated groups - * @param {Number[]} ids - * @private - */ - ItemSet.prototype._onUpdateGroups = function(ids) { - this._onAddGroups(ids); + /** + * keep a list of user event handlers which needs to be removed when calling 'dispose' + * @property eventHandlers + * @type {Array} + */ + this.eventHandlers = []; }; - /** - * Handle changed groups (added or updated) - * @param {Number[]} ids - * @private - */ - ItemSet.prototype._onAddGroups = function(ids) { - var me = this; - - ids.forEach(function (id) { - var groupData = me.groupsData.get(id); - var group = me.groups[id]; - - if (!group) { - // check for reserved ids - if (id == UNGROUPED || id == BACKGROUND) { - throw new Error('Illegal group id. ' + id + ' is a reserved id.'); - } + Hammer.Instance.prototype = { + /** + * bind events to the instance + * @method on + * @chainable + * @param {String} gestures multiple gestures by splitting with a space + * @param {Function} handler + * @param {Object} handler.ev event object + */ + on: function onEvent(gestures, handler) { + var self = this; + Event.on(self.element, gestures, handler, function(type) { + self.eventHandlers.push({ gesture: type, handler: handler }); + }); + return self; + }, - var groupOptions = Object.create(me.options); - util.extend(groupOptions, { - height: null - }); + /** + * unbind events to the instance + * @method off + * @chainable + * @param {String} gestures + * @param {Function} handler + */ + off: function offEvent(gestures, handler) { + var self = this; - group = new Group(id, groupData, me); - me.groups[id] = group; + Event.off(self.element, gestures, handler, function(type) { + var index = Utils.inArray({ gesture: type, handler: handler }); + if(index !== false) { + self.eventHandlers.splice(index, 1); + } + }); + return self; + }, - // add items with this groupId to the new group - for (var itemId in me.items) { - if (me.items.hasOwnProperty(itemId)) { - var item = me.items[itemId]; - if (item.data.group == id) { - group.add(item); - } + /** + * trigger gesture event + * @method trigger + * @chainable + * @param {String} gesture + * @param {Object} [eventData] + */ + trigger: function triggerEvent(gesture, eventData) { + // optional + if(!eventData) { + eventData = {}; } - } - group.order(); - group.show(); - } - else { - // update group - group.setData(groupData); - } - }); + // create DOM event + var event = Hammer.DOCUMENT.createEvent('Event'); + event.initEvent(gesture, true, true); + event.gesture = eventData; - this.body.emitter.emit('change', {queue: true}); - }; + // trigger on the target if it is in the instance element, + // this is for event delegation tricks + var element = this.element; + if(Utils.hasParent(eventData.target, element)) { + element = eventData.target; + } - /** - * Handle removed groups - * @param {Number[]} ids - * @private - */ - ItemSet.prototype._onRemoveGroups = function(ids) { - var groups = this.groups; - ids.forEach(function (id) { - var group = groups[id]; + element.dispatchEvent(event); + return this; + }, - if (group) { - group.hide(); - delete groups[id]; - } - }); + /** + * enable of disable hammer.js detection + * @method enable + * @chainable + * @param {Boolean} state + */ + enable: function enable(state) { + this.enabled = state; + return this; + }, - this.markDirty(); + /** + * dispose this hammer instance + * @method dispose + * @return {Null} + */ + dispose: function dispose() { + var i, eh; - this.body.emitter.emit('change', {queue: true}); - }; + // undo all changes made by stop_browser_behavior + Utils.toggleBehavior(this.element, this.options.behavior, false); - /** - * Reorder the groups if needed - * @return {boolean} changed - * @private - */ - ItemSet.prototype._orderGroups = function () { - if (this.groupsData) { - // reorder the groups - var groupIds = this.groupsData.getIds({ - order: this.options.groupOrder - }); + // unbind all custom event handlers + for(i = -1; (eh = this.eventHandlers[++i]);) { + Utils.off(this.element, eh.gesture, eh.handler); + } - var changed = !util.equalArray(groupIds, this.groupIds); - if (changed) { - // hide all groups, removes them from the DOM - var groups = this.groups; - groupIds.forEach(function (groupId) { - groups[groupId].hide(); - }); + this.eventHandlers = []; - // show the groups again, attach them to the DOM in correct order - groupIds.forEach(function (groupId) { - groups[groupId].show(); - }); + // unbind the start event listener + Event.off(this.element, EVENT_TYPES[EVENT_START], this.eventStartHandler); - this.groupIds = groupIds; + return null; } - - return changed; - } - else { - return false; - } }; + /** - * Add a new item - * @param {Item} item - * @private + * @module gestures */ - ItemSet.prototype._addItem = function(item) { - this.items[item.id] = item; - - // add to group - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - if (group) group.add(item); - }; - /** - * Update an existing item - * @param {Item} item - * @param {Object} itemData - * @private + * Move with x fingers (default 1) around on the page. + * Preventing the default browser behavior is a good way to improve feel and working. + * ```` + * hammertime.on("drag", function(ev) { + * console.log(ev); + * ev.gesture.preventDefault(); + * }); + * ```` + * + * @class Drag + * @static + */ + /** + * @event drag + * @param {Object} ev + */ + /** + * @event dragstart + * @param {Object} ev + */ + /** + * @event dragend + * @param {Object} ev + */ + /** + * @event drapleft + * @param {Object} ev + */ + /** + * @event dragright + * @param {Object} ev + */ + /** + * @event dragup + * @param {Object} ev + */ + /** + * @event dragdown + * @param {Object} ev */ - ItemSet.prototype._updateItem = function(item, itemData) { - var oldGroupId = item.data.group; - - // update the items data (will redraw the item when displayed) - item.setData(itemData); - - // update group - if (oldGroupId != item.data.group) { - var oldGroup = this.groups[oldGroupId]; - if (oldGroup) oldGroup.remove(item); - - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - if (group) group.add(item); - } - }; /** - * Delete an item from the ItemSet: remove it from the DOM, from the map - * with items, and from the map with visible items, and from the selection - * @param {Item} item - * @private + * @param {String} name */ - ItemSet.prototype._removeItem = function(item) { - // remove from DOM - item.hide(); + (function(name) { + var triggered = false; - // remove from items - delete this.items[item.id]; + function dragGesture(ev, inst) { + var cur = Detection.current; - // remove from selection - var index = this.selection.indexOf(item.id); - if (index != -1) this.selection.splice(index, 1); + // max touches + if(inst.options.dragMaxTouches > 0 && + ev.touches.length > inst.options.dragMaxTouches) { + return; + } - // remove from group - item.parent && item.parent.remove(item); - }; + switch(ev.eventType) { + case EVENT_START: + triggered = false; + break; - /** - * Create an array containing all items being a range (having an end date) - * @param array - * @returns {Array} - * @private - */ - ItemSet.prototype._constructByEndArray = function(array) { - var endArray = []; + case EVENT_MOVE: + // when the distance we moved is too small we skip this gesture + // or we can be already in dragging + if(ev.distance < inst.options.dragMinDistance && + cur.name != name) { + return; + } - for (var i = 0; i < array.length; i++) { - if (array[i] instanceof RangeItem) { - endArray.push(array[i]); - } - } - return endArray; - }; + var startCenter = cur.startEvent.center; - /** - * Register the clicked item on touch, before dragStart is initiated. - * - * dragStart is initiated from a mousemove event, which can have left the item - * already resulting in an item == null - * - * @param {Event} event - * @private - */ - ItemSet.prototype._onTouch = function (event) { - // store the touched item, used in _onDragStart - this.touchParams.item = ItemSet.itemFromTarget(event); - }; + // we are dragging! + if(cur.name != name) { + cur.name = name; + if(inst.options.dragDistanceCorrection && ev.distance > 0) { + // When a drag is triggered, set the event center to dragMinDistance pixels from the original event center. + // Without this correction, the dragged distance would jumpstart at dragMinDistance pixels instead of at 0. + // It might be useful to save the original start point somewhere + var factor = Math.abs(inst.options.dragMinDistance / ev.distance); + startCenter.pageX += ev.deltaX * factor; + startCenter.pageY += ev.deltaY * factor; + startCenter.clientX += ev.deltaX * factor; + startCenter.clientY += ev.deltaY * factor; - /** - * Start dragging the selected events - * @param {Event} event - * @private - */ - ItemSet.prototype._onDragStart = function (event) { - if (!this.options.editable.updateTime && !this.options.editable.updateGroup) { - return; - } + // recalculate event data using new start point + ev = Detection.extendEventData(ev); + } + } - var item = this.touchParams.item || null; - var me = this; - var props; + // lock drag to axis? + if(cur.lastEvent.dragLockToAxis || + ( inst.options.dragLockToAxis && + inst.options.dragLockMinDistance <= ev.distance + )) { + ev.dragLockToAxis = true; + } - if (item && item.selected) { - var dragLeftItem = event.target.dragLeftItem; - var dragRightItem = event.target.dragRightItem; + // keep direction on the axis that the drag gesture started on + var lastDirection = cur.lastEvent.direction; + if(ev.dragLockToAxis && lastDirection !== ev.direction) { + if(Utils.isVertical(lastDirection)) { + ev.direction = (ev.deltaY < 0) ? DIRECTION_UP : DIRECTION_DOWN; + } else { + ev.direction = (ev.deltaX < 0) ? DIRECTION_LEFT : DIRECTION_RIGHT; + } + } - if (dragLeftItem) { - props = { - item: dragLeftItem, - initialX: event.gesture.center.clientX - }; + // first time, trigger dragstart event + if(!triggered) { + inst.trigger(name + 'start', ev); + triggered = true; + } - if (me.options.editable.updateTime) { - props.start = item.data.start.valueOf(); - } - if (me.options.editable.updateGroup) { - if ('group' in item.data) props.group = item.data.group; - } + // trigger events + inst.trigger(name, ev); + inst.trigger(name + ev.direction, ev); - this.touchParams.itemProps = [props]; - } - else if (dragRightItem) { - props = { - item: dragRightItem, - initialX: event.gesture.center.clientX - }; + var isVertical = Utils.isVertical(ev.direction); - if (me.options.editable.updateTime) { - props.end = item.data.end.valueOf(); - } - if (me.options.editable.updateGroup) { - if ('group' in item.data) props.group = item.data.group; - } + // block the browser events + if((inst.options.dragBlockVertical && isVertical) || + (inst.options.dragBlockHorizontal && !isVertical)) { + ev.preventDefault(); + } + break; - this.touchParams.itemProps = [props]; - } - else { - this.touchParams.itemProps = this.getSelection().map(function (id) { - var item = me.items[id]; - var props = { - item: item, - initialX: event.gesture.center.clientX - }; + case EVENT_RELEASE: + if(triggered && ev.changedLength <= inst.options.dragMaxTouches) { + inst.trigger(name + 'end', ev); + triggered = false; + } + break; - if (me.options.editable.updateTime) { - if ('start' in item.data) props.start = item.data.start.valueOf(); - if ('end' in item.data) props.end = item.data.end.valueOf(); - } - if (me.options.editable.updateGroup) { - if ('group' in item.data) props.group = item.data.group; + case EVENT_END: + triggered = false; + break; } - - return props; - }); } - event.stopPropagation(); - } - }; - - /** - * Drag selected items - * @param {Event} event - * @private - */ - ItemSet.prototype._onDrag = function (event) { - event.preventDefault() + Hammer.gestures.Drag = { + name: name, + index: 50, + handler: dragGesture, + defaults: { + /** + * minimal movement that have to be made before the drag event gets triggered + * @property dragMinDistance + * @type {Number} + * @default 10 + */ + dragMinDistance: 10, - if (this.touchParams.itemProps) { - var me = this; - var snap = this.body.util.snap || null; - var xOffset = this.body.dom.root.offsetLeft + this.body.domProps.left.width; + /** + * Set dragDistanceCorrection to true to make the starting point of the drag + * be calculated from where the drag was triggered, not from where the touch started. + * Useful to avoid a jerk-starting drag, which can make fine-adjustments + * through dragging difficult, and be visually unappealing. + * @property dragDistanceCorrection + * @type {Boolean} + * @default true + */ + dragDistanceCorrection: true, - // move - this.touchParams.itemProps.forEach(function (props) { - var newProps = {}; - var current = me.body.util.toTime(event.gesture.center.clientX - xOffset); - var initial = me.body.util.toTime(props.initialX - xOffset); - var offset = current - initial; + /** + * set 0 for unlimited, but this can conflict with transform + * @property dragMaxTouches + * @type {Number} + * @default 1 + */ + dragMaxTouches: 1, - if ('start' in props) { - var start = new Date(props.start + offset); - newProps.start = snap ? snap(start) : start; - } + /** + * prevent default browser behavior when dragging occurs + * be careful with it, it makes the element a blocking element + * when you are using the drag gesture, it is a good practice to set this true + * @property dragBlockHorizontal + * @type {Boolean} + * @default false + */ + dragBlockHorizontal: false, - if ('end' in props) { - var end = new Date(props.end + offset); - newProps.end = snap ? snap(end) : end; - } + /** + * same as `dragBlockHorizontal`, but for vertical movement + * @property dragBlockVertical + * @type {Boolean} + * @default false + */ + dragBlockVertical: false, - if ('group' in props) { - // drag from one group to another - var group = ItemSet.groupFromTarget(event); - newProps.group = group && group.groupId; - } + /** + * dragLockToAxis keeps the drag gesture on the axis that it started on, + * It disallows vertical directions if the initial direction was horizontal, and vice versa. + * @property dragLockToAxis + * @type {Boolean} + * @default false + */ + dragLockToAxis: false, - // confirm moving the item - var itemData = util.extend({}, props.item.data, newProps); - me.options.onMoving(itemData, function (itemData) { - if (itemData) { - me._updateItemProps(props.item, itemData); + /** + * drag lock only kicks in when distance > dragLockMinDistance + * This way, locking occurs only when the distance has become large enough to reliably determine the direction + * @property dragLockMinDistance + * @type {Number} + * @default 25 + */ + dragLockMinDistance: 25 } - }); - }); - - this.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change'); - - event.stopPropagation(); - } - }; + }; + })('drag'); /** - * Update an items properties - * @param {Item} item - * @param {Object} props Can contain properties start, end, and group. - * @private + * @module gestures */ - ItemSet.prototype._updateItemProps = function(item, props) { - // TODO: copy all properties from props to item? (also new ones) - if ('start' in props) item.data.start = props.start; - if ('end' in props) item.data.end = props.end; - if ('group' in props && item.data.group != props.group) { - this._moveToGroup(item, props.group) - } - }; - /** - * Move an item to another group - * @param {Item} item - * @param {String | Number} groupId - * @private + * trigger a simple gesture event, so you can do anything in your handler. + * only usable if you know what your doing... + * + * @class Gesture + * @static */ - ItemSet.prototype._moveToGroup = function(item, groupId) { - var group = this.groups[groupId]; - if (group && group.groupId != item.data.group) { - var oldGroup = item.parent; - oldGroup.remove(item); - oldGroup.order(); - group.add(item); - group.order(); - - item.data.group = group.groupId; - } - }; - /** - * End of dragging selected items - * @param {Event} event - * @private + * @event gesture + * @param {Object} ev */ - ItemSet.prototype._onDragEnd = function (event) { - event.preventDefault() - - if (this.touchParams.itemProps) { - // prepare a change set for the changed items - var changes = [], - me = this, - dataset = this.itemsData.getDataSet(); - - var itemProps = this.touchParams.itemProps ; - this.touchParams.itemProps = null; - itemProps.forEach(function (props) { - var id = props.item.id, - itemData = me.itemsData.get(id, me.itemOptions); - - var changed = false; - if ('start' in props.item.data) { - changed = (props.start != props.item.data.start.valueOf()); - itemData.start = util.convert(props.item.data.start, - dataset._options.type && dataset._options.type.start || 'Date'); - } - if ('end' in props.item.data) { - changed = changed || (props.end != props.item.data.end.valueOf()); - itemData.end = util.convert(props.item.data.end, - dataset._options.type && dataset._options.type.end || 'Date'); - } - if ('group' in props.item.data) { - changed = changed || (props.group != props.item.data.group); - itemData.group = props.item.data.group; - } - - // only apply changes when start or end is actually changed - if (changed) { - me.options.onMove(itemData, function (itemData) { - if (itemData) { - // apply changes - itemData[dataset._fieldId] = id; // ensure the item contains its id (can be undefined) - changes.push(itemData); - } - else { - // restore original values - me._updateItemProps(props.item, props); - - me.stackDirty = true; // force re-stacking of all items next redraw - me.body.emitter.emit('change'); - } - }); - } - }); - - // apply the changes to the data (if there are changes) - if (changes.length) { - dataset.update(changes); + Hammer.gestures.Gesture = { + name: 'gesture', + index: 1337, + handler: function releaseGesture(ev, inst) { + inst.trigger(this.name, ev); } - - event.stopPropagation(); - } }; /** - * Handle selecting/deselecting an item when tapping it - * @param {Event} event - * @private + * @module gestures + */ + /** + * Touch stays at the same place for x time + * + * @class Hold + * @static + */ + /** + * @event hold + * @param {Object} ev */ - ItemSet.prototype._onSelectItem = function (event) { - if (!this.options.selectable) return; - var ctrlKey = event.gesture.srcEvent && event.gesture.srcEvent.ctrlKey; - var shiftKey = event.gesture.srcEvent && event.gesture.srcEvent.shiftKey; - if (ctrlKey || shiftKey) { - this._onMultiSelectItem(event); - return; - } + /** + * @param {String} name + */ + (function(name) { + var timer; - var oldSelection = this.getSelection(); + function holdGesture(ev, inst) { + var options = inst.options, + current = Detection.current; - var item = ItemSet.itemFromTarget(event); - var selection = item ? [item.id] : []; - this.setSelection(selection); + switch(ev.eventType) { + case EVENT_START: + clearTimeout(timer); - var newSelection = this.getSelection(); + // set the gesture so we can check in the timeout if it still is + current.name = name; - // emit a select event, - // except when old selection is empty and new selection is still empty - if (newSelection.length > 0 || oldSelection.length > 0) { - this.body.emitter.emit('select', { - items: newSelection - }); - } - }; + // set timer and if after the timeout it still is hold, + // we trigger the hold event + timer = setTimeout(function() { + if(current && current.name == name) { + inst.trigger(name, ev); + } + }, options.holdTimeout); + break; - /** - * Handle creation and updates of an item on double tap - * @param event - * @private - */ - ItemSet.prototype._onAddItem = function (event) { - if (!this.options.selectable) return; - if (!this.options.editable.add) return; + case EVENT_MOVE: + if(ev.distance > options.holdThreshold) { + clearTimeout(timer); + } + break; - var me = this, - snap = this.body.util.snap || null, - item = ItemSet.itemFromTarget(event); + case EVENT_RELEASE: + clearTimeout(timer); + break; + } + } - if (item) { - // update item + Hammer.gestures.Hold = { + name: name, + index: 10, + defaults: { + /** + * @property holdTimeout + * @type {Number} + * @default 500 + */ + holdTimeout: 500, - // execute async handler to update the item (or cancel it) - var itemData = me.itemsData.get(item.id); // get a clone of the data from the dataset - this.options.onUpdate(itemData, function (itemData) { - if (itemData) { - me.itemsData.getDataSet().update(itemData); - } - }); - } - else { - // add item - var xAbs = util.getAbsoluteLeft(this.dom.frame); - var x = event.gesture.center.pageX - xAbs; - var start = this.body.util.toTime(x); - var newItem = { - start: snap ? snap(start) : start, - content: 'new item' + /** + * movement allowed while holding + * @property holdThreshold + * @type {Number} + * @default 2 + */ + holdThreshold: 2 + }, + handler: holdGesture }; + })('hold'); - // when default type is a range, add a default end date to the new item - if (this.options.type === 'range') { - var end = this.body.util.toTime(x + this.props.width / 5); - newItem.end = snap ? snap(end) : end; - } - - newItem[this.itemsData._fieldId] = util.randomUUID(); - - var group = ItemSet.groupFromTarget(event); - if (group) { - newItem.group = group.groupId; + /** + * @module gestures + */ + /** + * when a touch is being released from the page + * + * @class Release + * @static + */ + /** + * @event release + * @param {Object} ev + */ + Hammer.gestures.Release = { + name: 'release', + index: Infinity, + handler: function releaseGesture(ev, inst) { + if(ev.eventType == EVENT_RELEASE) { + inst.trigger(this.name, ev); + } } - - // execute async handler to customize (or cancel) adding an item - this.options.onAdd(newItem, function (item) { - if (item) { - me.itemsData.getDataSet().add(item); - // TODO: need to trigger a redraw? - } - }); - } }; /** - * Handle selecting/deselecting multiple items when holding an item - * @param {Event} event - * @private + * @module gestures */ - ItemSet.prototype._onMultiSelectItem = function (event) { - if (!this.options.selectable) return; + /** + * triggers swipe events when the end velocity is above the threshold + * for best usage, set `preventDefault` (on the drag gesture) to `true` + * ```` + * hammertime.on("dragleft swipeleft", function(ev) { + * console.log(ev); + * ev.gesture.preventDefault(); + * }); + * ```` + * + * @class Swipe + * @static + */ + /** + * @event swipe + * @param {Object} ev + */ + /** + * @event swipeleft + * @param {Object} ev + */ + /** + * @event swiperight + * @param {Object} ev + */ + /** + * @event swipeup + * @param {Object} ev + */ + /** + * @event swipedown + * @param {Object} ev + */ + Hammer.gestures.Swipe = { + name: 'swipe', + index: 40, + defaults: { + /** + * @property swipeMinTouches + * @type {Number} + * @default 1 + */ + swipeMinTouches: 1, - var selection, - item = ItemSet.itemFromTarget(event); + /** + * @property swipeMaxTouches + * @type {Number} + * @default 1 + */ + swipeMaxTouches: 1, - if (item) { - // multi select items - selection = this.getSelection(); // current selection + /** + * horizontal swipe velocity + * @property swipeVelocityX + * @type {Number} + * @default 0.6 + */ + swipeVelocityX: 0.6, - var shiftKey = event.gesture.touches[0] && event.gesture.touches[0].shiftKey || false; - if (shiftKey) { - // select all items between the old selection and the tapped item + /** + * vertical swipe velocity + * @property swipeVelocityY + * @type {Number} + * @default 0.6 + */ + swipeVelocityY: 0.6 + }, - // determine the selection range - selection.push(item.id); - var range = ItemSet._getItemRange(this.itemsData.get(selection, this.itemOptions)); + handler: function swipeGesture(ev, inst) { + if(ev.eventType == EVENT_RELEASE) { + var touches = ev.touches.length, + options = inst.options; - // select all items within the selection range - selection = []; - for (var id in this.items) { - if (this.items.hasOwnProperty(id)) { - var _item = this.items[id]; - var start = _item.data.start; - var end = (_item.data.end !== undefined) ? _item.data.end : start; + // max touches + if(touches < options.swipeMinTouches || + touches > options.swipeMaxTouches) { + return; + } - if (start >= range.min && end <= range.max) { - selection.push(_item.id); // do not use id but item.id, id itself is stringified - } + // when the distance we moved is too small we skip this gesture + // or we can be already in dragging + if(ev.velocityX > options.swipeVelocityX || + ev.velocityY > options.swipeVelocityY) { + // trigger swipe events + inst.trigger(this.name, ev); + inst.trigger(this.name + ev.direction, ev); + } } - } - } - else { - // add/remove this item from the current selection - var index = selection.indexOf(item.id); - if (index == -1) { - // item is not yet selected -> select it - selection.push(item.id); - } - else { - // item is already selected -> deselect it - selection.splice(index, 1); - } } - - this.setSelection(selection); - - this.body.emitter.emit('select', { - items: this.getSelection() - }); - } }; /** - * Calculate the time range of a list of items - * @param {Array.} itemsData - * @return {{min: Date, max: Date}} Returns the range of the provided items - * @private + * @module gestures */ - ItemSet._getItemRange = function(itemsData) { - var max = null; - var min = null; - - itemsData.forEach(function (data) { - if (min == null || data.start < min) { - min = data.start; - } - - if (data.end != undefined) { - if (max == null || data.end > max) { - max = data.end; - } - } - else { - if (max == null || data.start > max) { - max = data.start; - } - } - }); - - return { - min: min, - max: max - } - }; - /** - * Find an item from an event target: - * searches for the attribute 'timeline-item' in the event target's element tree - * @param {Event} event - * @return {Item | null} item + * Single tap and a double tap on a place + * + * @class Tap + * @static */ - ItemSet.itemFromTarget = function(event) { - var target = event.target; - while (target) { - if (target.hasOwnProperty('timeline-item')) { - return target['timeline-item']; - } - target = target.parentNode; - } - - return null; - }; - /** - * Find the Group from an event target: - * searches for the attribute 'timeline-group' in the event target's element tree - * @param {Event} event - * @return {Group | null} group + * @event tap + * @param {Object} ev + */ + /** + * @event doubletap + * @param {Object} ev */ - ItemSet.groupFromTarget = function(event) { - var target = event.target; - while (target) { - if (target.hasOwnProperty('timeline-group')) { - return target['timeline-group']; - } - target = target.parentNode; - } - - return null; - }; /** - * Find the ItemSet from an event target: - * searches for the attribute 'timeline-itemset' in the event target's element tree - * @param {Event} event - * @return {ItemSet | null} item + * @param {String} name */ - ItemSet.itemSetFromTarget = function(event) { - var target = event.target; - while (target) { - if (target.hasOwnProperty('timeline-itemset')) { - return target['timeline-itemset']; - } - target = target.parentNode; - } + (function(name) { + var hasMoved = false; - return null; - }; + function tapGesture(ev, inst) { + var options = inst.options, + current = Detection.current, + prev = Detection.previous, + sincePrev, + didDoubleTap; - module.exports = ItemSet; + switch(ev.eventType) { + case EVENT_START: + hasMoved = false; + break; + case EVENT_MOVE: + hasMoved = hasMoved || (ev.distance > options.tapMaxDistance); + break; -/***/ }, -/* 28 */ -/***/ function(module, exports, __webpack_require__) { + case EVENT_END: + if(!Utils.inStr(ev.srcEvent.type, 'cancel') && ev.deltaTime < options.tapMaxTime && !hasMoved) { + // previous gesture, for the double tap since these are two different gesture detections + sincePrev = prev && prev.lastEvent && ev.timeStamp - prev.lastEvent.timeStamp; + didDoubleTap = false; - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - var Component = __webpack_require__(20); + // check if double tap + if(prev && prev.name == name && + (sincePrev && sincePrev < options.doubleTapInterval) && + ev.distance < options.doubleTapDistance) { + inst.trigger('doubletap', ev); + didDoubleTap = true; + } - /** - * Legend for Graph2d - */ - function Legend(body, options, side, linegraphOptions) { - this.body = body; - this.defaultOptions = { - enabled: true, - icons: true, - iconSize: 20, - iconSpacing: 6, - left: { - visible: true, - position: 'top-left' // top/bottom - left,center,right - }, - right: { - visible: true, - position: 'top-left' // top/bottom - left,center,right + // do a single tap + if(!didDoubleTap || options.tapAlways) { + current.name = name; + inst.trigger(current.name, ev); + } + } + break; + } } - } - this.side = side; - this.options = util.extend({},this.defaultOptions); - this.linegraphOptions = linegraphOptions; - - this.svgElements = {}; - this.dom = {}; - this.groups = {}; - this.amountOfGroups = 0; - this._create(); - - this.setOptions(options); - } - Legend.prototype = new Component(); - - Legend.prototype.clear = function() { - this.groups = {}; - this.amountOfGroups = 0; - } + Hammer.gestures.Tap = { + name: name, + index: 100, + handler: tapGesture, + defaults: { + /** + * max time of a tap, this is for the slow tappers + * @property tapMaxTime + * @type {Number} + * @default 250 + */ + tapMaxTime: 250, - Legend.prototype.addGroup = function(label, graphOptions) { + /** + * max distance of movement of a tap, this is for the slow tappers + * @property tapMaxDistance + * @type {Number} + * @default 10 + */ + tapMaxDistance: 10, - if (!this.groups.hasOwnProperty(label)) { - this.groups[label] = graphOptions; - } - this.amountOfGroups += 1; - }; + /** + * always trigger the `tap` event, even while double-tapping + * @property tapAlways + * @type {Boolean} + * @default true + */ + tapAlways: true, - Legend.prototype.updateGroup = function(label, graphOptions) { - this.groups[label] = graphOptions; - }; + /** + * max distance between two taps + * @property doubleTapDistance + * @type {Number} + * @default 20 + */ + doubleTapDistance: 20, - Legend.prototype.removeGroup = function(label) { - if (this.groups.hasOwnProperty(label)) { - delete this.groups[label]; - this.amountOfGroups -= 1; - } - }; + /** + * max time between two taps + * @property doubleTapInterval + * @type {Number} + * @default 300 + */ + doubleTapInterval: 300 + } + }; + })('tap'); - Legend.prototype._create = function() { - this.dom.frame = document.createElement('div'); - this.dom.frame.className = 'legend'; - this.dom.frame.style.position = "absolute"; - this.dom.frame.style.top = "10px"; - this.dom.frame.style.display = "block"; + /** + * @module gestures + */ + /** + * when a touch is being touched at the page + * + * @class Touch + * @static + */ + /** + * @event touch + * @param {Object} ev + */ + Hammer.gestures.Touch = { + name: 'touch', + index: -Infinity, + defaults: { + /** + * call preventDefault at touchstart, and makes the element blocking by disabling the scrolling of the page, + * but it improves gestures like transforming and dragging. + * be careful with using this, it can be very annoying for users to be stuck on the page + * @property preventDefault + * @type {Boolean} + * @default false + */ + preventDefault: false, - this.dom.textArea = document.createElement('div'); - this.dom.textArea.className = 'legendText'; - this.dom.textArea.style.position = "relative"; - this.dom.textArea.style.top = "0px"; + /** + * disable mouse events, so only touch (or pen!) input triggers events + * @property preventMouse + * @type {Boolean} + * @default false + */ + preventMouse: false + }, + handler: function touchGesture(ev, inst) { + if(inst.options.preventMouse && ev.pointerType == POINTER_MOUSE) { + ev.stopDetect(); + return; + } - this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); - this.svg.style.position = 'absolute'; - this.svg.style.top = 0 +'px'; - this.svg.style.width = this.options.iconSize + 5 + 'px'; - this.svg.style.height = '100%'; + if(inst.options.preventDefault) { + ev.preventDefault(); + } - this.dom.frame.appendChild(this.svg); - this.dom.frame.appendChild(this.dom.textArea); + if(ev.eventType == EVENT_TOUCH) { + inst.trigger('touch', ev); + } + } }; /** - * Hide the component from the DOM + * @module gestures + */ + /** + * User want to scale or rotate with 2 fingers + * Preventing the default browser behavior is a good way to improve feel and working. This can be done with the + * `preventDefault` option. + * + * @class Transform + * @static + */ + /** + * @event transform + * @param {Object} ev + */ + /** + * @event transformstart + * @param {Object} ev + */ + /** + * @event transformend + * @param {Object} ev + */ + /** + * @event pinchin + * @param {Object} ev + */ + /** + * @event pinchout + * @param {Object} ev + */ + /** + * @event rotate + * @param {Object} ev */ - Legend.prototype.hide = function() { - // remove the frame containing the items - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } - }; /** - * Show the component in the DOM (when not already visible). - * @return {Boolean} changed + * @param {String} name */ - Legend.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); - } - }; + (function(name) { + var triggered = false; - Legend.prototype.setOptions = function(options) { - var fields = ['enabled','orientation','icons','left','right']; - util.selectiveDeepExtend(fields, this.options, options); - }; + function transformGesture(ev, inst) { + switch(ev.eventType) { + case EVENT_START: + triggered = false; + break; - Legend.prototype.redraw = function() { - var activeGroups = 0; - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { - activeGroups++; - } - } - } + case EVENT_MOVE: + // at least multitouch + if(ev.touches.length < 2) { + return; + } - if (this.options[this.side].visible == false || this.amountOfGroups == 0 || this.options.enabled == false || activeGroups == 0) { - this.hide(); - } - else { - this.show(); - if (this.options[this.side].position == 'top-left' || this.options[this.side].position == 'bottom-left') { - this.dom.frame.style.left = '4px'; - this.dom.frame.style.textAlign = "left"; - this.dom.textArea.style.textAlign = "left"; - this.dom.textArea.style.left = (this.options.iconSize + 15) + 'px'; - this.dom.textArea.style.right = ''; - this.svg.style.left = 0 +'px'; - this.svg.style.right = ''; - } - else { - this.dom.frame.style.right = '4px'; - this.dom.frame.style.textAlign = "right"; - this.dom.textArea.style.textAlign = "right"; - this.dom.textArea.style.right = (this.options.iconSize + 15) + 'px'; - this.dom.textArea.style.left = ''; - this.svg.style.right = 0 +'px'; - this.svg.style.left = ''; - } + var scaleThreshold = Math.abs(1 - ev.scale); + var rotationThreshold = Math.abs(ev.rotation); - if (this.options[this.side].position == 'top-left' || this.options[this.side].position == 'top-right') { - this.dom.frame.style.top = 4 - Number(this.body.dom.center.style.top.replace("px","")) + 'px'; - this.dom.frame.style.bottom = ''; - } - else { - var scrollableHeight = this.body.domProps.center.height - this.body.domProps.centerContainer.height; - this.dom.frame.style.bottom = 4 + scrollableHeight + Number(this.body.dom.center.style.top.replace("px","")) + 'px'; - this.dom.frame.style.top = ''; - } + // when the distance we moved is too small we skip this gesture + // or we can be already in dragging + if(scaleThreshold < inst.options.transformMinScale && + rotationThreshold < inst.options.transformMinRotation) { + return; + } - if (this.options.icons == false) { - this.dom.frame.style.width = this.dom.textArea.offsetWidth + 10 + 'px'; - this.dom.textArea.style.right = ''; - this.dom.textArea.style.left = ''; - this.svg.style.width = '0px'; - } - else { - this.dom.frame.style.width = this.options.iconSize + 15 + this.dom.textArea.offsetWidth + 10 + 'px' - this.drawLegendIcons(); - } + // we are transforming! + Detection.current.name = name; - var content = ''; - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { - content += this.groups[groupId].content + '
'; + // first time, trigger dragstart event + if(!triggered) { + inst.trigger(name + 'start', ev); + triggered = true; + } + + inst.trigger(name, ev); // basic transform event + + // trigger rotate event + if(rotationThreshold > inst.options.transformMinRotation) { + inst.trigger('rotate', ev); + } + + // trigger pinch event + if(scaleThreshold > inst.options.transformMinScale) { + inst.trigger('pinch', ev); + inst.trigger('pinch' + (ev.scale < 1 ? 'in' : 'out'), ev); + } + break; + + case EVENT_RELEASE: + if(triggered && ev.changedLength < 2) { + inst.trigger(name + 'end', ev); + triggered = false; + } + break; } - } } - this.dom.textArea.innerHTML = content; - this.dom.textArea.style.lineHeight = ((0.75 * this.options.iconSize) + this.options.iconSpacing) + 'px'; - } - }; - Legend.prototype.drawLegendIcons = function() { - if (this.dom.frame.parentNode) { - DOMutil.prepareElements(this.svgElements); - var padding = window.getComputedStyle(this.dom.frame).paddingTop; - var iconOffset = Number(padding.replace('px','')); - var x = iconOffset; - var iconWidth = this.options.iconSize; - var iconHeight = 0.75 * this.options.iconSize; - var y = iconOffset + 0.5 * iconHeight + 3; + Hammer.gestures.Transform = { + name: name, + index: 45, + defaults: { + /** + * minimal scale factor, no scale is 1, zoomin is to 0 and zoomout until higher then 1 + * @property transformMinScale + * @type {Number} + * @default 0.01 + */ + transformMinScale: 0.01, - this.svg.style.width = iconWidth + 5 + iconOffset + 'px'; + /** + * rotation in degrees + * @property transformMinRotation + * @type {Number} + * @default 1 + */ + transformMinRotation: 1 + }, - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { - this.groups[groupId].drawIcon(x, y, this.svgElements, this.svg, iconWidth, iconHeight); - y += iconHeight + this.options.iconSpacing; - } - } - } + handler: transformGesture + }; + })('transform'); - DOMutil.cleanupElements(this.svgElements); - } - }; + /** + * @module hammer + */ - module.exports = Legend; + // AMD export + if(true) { + !(__WEBPACK_AMD_DEFINE_RESULT__ = function() { + return Hammer; + }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); + // commonjs export + } else if(typeof module !== 'undefined' && module.exports) { + module.exports = Hammer; + // browser export + } else { + window.Hammer = Hammer; + } + })(window); /***/ }, -/* 29 */ +/* 21 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - var DataSet = __webpack_require__(3); - var DataView = __webpack_require__(4); - var Component = __webpack_require__(20); - var DataAxis = __webpack_require__(23); - var GraphGroup = __webpack_require__(24); - var Legend = __webpack_require__(28); - var BarGraphFunctions = __webpack_require__(50); - - var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items + var hammerUtil = __webpack_require__(22); + var moment = __webpack_require__(2); + var Component = __webpack_require__(23); + var DateUtil = __webpack_require__(24); /** - * This is the constructor of the LineGraph. It requires a Timeline body and options. - * - * @param body - * @param options - * @constructor + * @constructor Range + * A Range controls a numeric range with a start and end value. + * The Range adjusts the range based on mouse events or programmatic changes, + * and triggers events when the range is changing or has been changed. + * @param {{dom: Object, domProps: Object, emitter: Emitter}} body + * @param {Object} [options] See description at Range.setOptions */ - function LineGraph(body, options) { - this.id = util.randomUUID(); + function Range(body, options) { + var now = moment().hours(0).minutes(0).seconds(0).milliseconds(0); + this.start = now.clone().add(-3, 'days').valueOf(); // Number + this.end = now.clone().add(4, 'days').valueOf(); // Number + this.body = body; + this.deltaDifference = 0; + this.scaleOffset = 0; + this.startToFront = false; + this.endToFront = true; + // default options this.defaultOptions = { - yAxisOrientation: 'left', - defaultGroup: 'default', - sort: true, - sampling: true, - graphHeight: '400px', - shaded: { - enabled: false, - orientation: 'bottom' // top, bottom - }, - style: 'line', // line, bar - barChart: { - width: 50, - handleOverlap: 'overlap', - align: 'center' // left, center, right - }, - catmullRom: { - enabled: true, - parametrization: 'centripetal', // uniform (alpha = 0.0), chordal (alpha = 1.0), centripetal (alpha = 0.5) - alpha: 0.5 - }, - drawPoints: { - enabled: true, - size: 6, - style: 'square' // square, circle - }, - dataAxis: { - showMinorLabels: true, - showMajorLabels: true, - icons: false, - width: '40px', - visible: true, - alignZeros: true, - customRange: { - left: {min:undefined, max:undefined}, - right: {min:undefined, max:undefined} - } - //, these options are not set by default, but this shows the format they will be in - //format: { - // left: {decimals: 2}, - // right: {decimals: 2} - //}, - //title: { - // left: { - // text: 'left', - // style: 'color:black;' - // }, - // right: { - // text: 'right', - // style: 'color:black;' - // } - //} - }, - legend: { - enabled: false, - icons: true, - left: { - visible: true, - position: 'top-left' // top/bottom - left,right - }, - right: { - visible: true, - position: 'top-right' // top/bottom - left,right - } - }, - groups: { - visibility: {} - } + start: null, + end: null, + direction: 'horizontal', // 'horizontal' or 'vertical' + moveable: true, + zoomable: true, + min: null, + max: null, + zoomMin: 10, // milliseconds + zoomMax: 1000 * 60 * 60 * 24 * 365 * 10000 // milliseconds }; - - // options is shared by this ItemSet and all its items this.options = util.extend({}, this.defaultOptions); - this.dom = {}; - this.props = {}; - this.hammer = null; - this.groups = {}; - this.abortedGraphUpdate = false; - this.updateSVGheight = false; - this.updateSVGheightOnResize = false; - - var me = this; - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet - // listeners for the DataSet of the items - this.itemListeners = { - 'add': function (event, params, senderId) { - me._onAdd(params.items); - }, - 'update': function (event, params, senderId) { - me._onUpdate(params.items); - }, - 'remove': function (event, params, senderId) { - me._onRemove(params.items); - } + this.props = { + touch: {} }; + this.animateTimer = null; - // listeners for the DataSet of the groups - this.groupListeners = { - 'add': function (event, params, senderId) { - me._onAddGroups(params.items); - }, - 'update': function (event, params, senderId) { - me._onUpdateGroups(params.items); - }, - 'remove': function (event, params, senderId) { - me._onRemoveGroups(params.items); - } - }; + // drag listeners for dragging + this.body.emitter.on('dragstart', this._onDragStart.bind(this)); + this.body.emitter.on('drag', this._onDrag.bind(this)); + this.body.emitter.on('dragend', this._onDragEnd.bind(this)); - this.items = {}; // object with an Item for every data item - this.selection = []; // list with the ids of all selected nodes - this.lastStart = this.body.range.start; - this.touchParams = {}; // stores properties while dragging + // ignore dragging when holding + this.body.emitter.on('hold', this._onHold.bind(this)); - this.svgElements = {}; - this.setOptions(options); - this.groupsUsingDefaultStyles = [0]; - this.COUNTER = 0; - this.body.emitter.on('rangechanged', function() { - me.lastStart = me.body.range.start; - me.svg.style.left = util.option.asSize(-me.props.width); - me.redraw.call(me,true); - }); + // mouse wheel for zooming + this.body.emitter.on('mousewheel', this._onMouseWheel.bind(this)); + this.body.emitter.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF - // create the HTML DOM - this._create(); - this.framework = {svg: this.svg, svgElements: this.svgElements, options: this.options, groups: this.groups}; - this.body.emitter.emit('change'); + // pinch to zoom + this.body.emitter.on('touch', this._onTouch.bind(this)); + this.body.emitter.on('pinch', this._onPinch.bind(this)); + this.setOptions(options); } - LineGraph.prototype = new Component(); - - /** - * Create the HTML DOM for the ItemSet - */ - LineGraph.prototype._create = function(){ - var frame = document.createElement('div'); - frame.className = 'LineGraph'; - this.dom.frame = frame; - - // create svg element for graph drawing. - this.svg = document.createElementNS('http://www.w3.org/2000/svg','svg'); - this.svg.style.position = 'relative'; - this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; - this.svg.style.display = 'block'; - frame.appendChild(this.svg); - - // data axis - this.options.dataAxis.orientation = 'left'; - this.yAxisLeft = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); - - this.options.dataAxis.orientation = 'right'; - this.yAxisRight = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); - delete this.options.dataAxis.orientation; - - // legends - this.legendLeft = new Legend(this.body, this.options.legend, 'left', this.options.groups); - this.legendRight = new Legend(this.body, this.options.legend, 'right', this.options.groups); - - this.show(); - }; + Range.prototype = new Component(); /** - * set the options of the LineGraph. the mergeOptions is used for subObjects that have an enabled element. - * @param {object} options + * Set options for the range controller + * @param {Object} options Available options: + * {Number | Date | String} start Start date for the range + * {Number | Date | String} end End date for the range + * {Number} min Minimum value for start + * {Number} max Maximum value for end + * {Number} zoomMin Set a minimum value for + * (end - start). + * {Number} zoomMax Set a maximum value for + * (end - start). + * {Boolean} moveable Enable moving of the range + * by dragging. True by default + * {Boolean} zoomable Enable zooming of the range + * by pinching/scrolling. True by default */ - LineGraph.prototype.setOptions = function(options) { + Range.prototype.setOptions = function (options) { if (options) { - var fields = ['sampling','defaultGroup','height','graphHeight','yAxisOrientation','style','barChart','dataAxis','sort','groups']; - if (options.graphHeight === undefined && options.height !== undefined && this.body.domProps.centerContainer.height !== undefined) { - this.updateSVGheight = true; - this.updateSVGheightOnResize = true; - } - else if (this.body.domProps.centerContainer.height !== undefined && options.graphHeight !== undefined) { - if (parseInt((options.graphHeight + '').replace("px",'')) < this.body.domProps.centerContainer.height) { - this.updateSVGheight = true; - } - } - util.selectiveDeepExtend(fields, this.options, options); - util.mergeOptions(this.options, options,'catmullRom'); - util.mergeOptions(this.options, options,'drawPoints'); - util.mergeOptions(this.options, options,'shaded'); - util.mergeOptions(this.options, options,'legend'); - - if (options.catmullRom) { - if (typeof options.catmullRom == 'object') { - if (options.catmullRom.parametrization) { - if (options.catmullRom.parametrization == 'uniform') { - this.options.catmullRom.alpha = 0; - } - else if (options.catmullRom.parametrization == 'chordal') { - this.options.catmullRom.alpha = 1.0; - } - else { - this.options.catmullRom.parametrization = 'centripetal'; - this.options.catmullRom.alpha = 0.5; - } - } - } - } - - if (this.yAxisLeft) { - if (options.dataAxis !== undefined) { - this.yAxisLeft.setOptions(this.options.dataAxis); - this.yAxisRight.setOptions(this.options.dataAxis); - } - } - - if (this.legendLeft) { - if (options.legend !== undefined) { - this.legendLeft.setOptions(this.options.legend); - this.legendRight.setOptions(this.options.legend); - } - } + // copy the options that we know + var fields = ['direction', 'min', 'max', 'zoomMin', 'zoomMax', 'moveable', 'zoomable', 'activate', 'hiddenDates']; + util.selectiveExtend(fields, this.options, options); - if (this.groups.hasOwnProperty(UNGROUPED)) { - this.groups[UNGROUPED].setOptions(options); + if ('start' in options || 'end' in options) { + // apply a new range. both start and end are optional + this.setRange(options.start, options.end); } } - - // this is used to redraw the graph if the visibility of the groups is changed. - if (this.dom.frame) { - this.redraw(true); - } - }; - - /** - * Hide the component from the DOM - */ - LineGraph.prototype.hide = function() { - // remove the frame containing the items - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } }; - /** - * Show the component in the DOM (when not already visible). - * @return {Boolean} changed + * Test whether direction has a valid value + * @param {String} direction 'horizontal' or 'vertical' */ - LineGraph.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); + function validateDirection (direction) { + if (direction != 'horizontal' && direction != 'vertical') { + throw new TypeError('Unknown direction "' + direction + '". ' + + 'Choose "horizontal" or "vertical".'); } - }; - + } /** - * Set items - * @param {vis.DataSet | null} items + * Set a new start and end range + * @param {Date | Number | String} [start] + * @param {Date | Number | String} [end] + * @param {boolean | number} [animate=false] If true, the range is animated + * smoothly to the new window. + * If animate is a number, the + * number is taken as duration + * Default duration is 500 ms. + * @param {Boolean} [byUser=false] + * */ - LineGraph.prototype.setItems = function(items) { - var me = this, - ids, - oldItemsData = this.itemsData; - - // replace the dataset - if (!items) { - this.itemsData = null; - } - else if (items instanceof DataSet || items instanceof DataView) { - this.itemsData = items; - } - else { - throw new TypeError('Data must be an instance of DataSet or DataView'); - } - - if (oldItemsData) { - // unsubscribe from old dataset - util.forEach(this.itemListeners, function (callback, event) { - oldItemsData.off(event, callback); - }); - - // remove all drawn items - ids = oldItemsData.getIds(); - this._onRemove(ids); - } - - if (this.itemsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.itemListeners, function (callback, event) { - me.itemsData.on(event, callback, id); - }); - - // add all new items - ids = this.itemsData.getIds(); - this._onAdd(ids); + Range.prototype.setRange = function(start, end, animate, byUser) { + if (byUser !== true) { + byUser = false; } - this._updateUngrouped(); - //this._updateGraph(); - this.redraw(true); - }; + var _start = start != undefined ? util.convert(start, 'Date').valueOf() : null; + var _end = end != undefined ? util.convert(end, 'Date').valueOf() : null; + this._cancelAnimation(); + if (animate) { + var me = this; + var initStart = this.start; + var initEnd = this.end; + var duration = typeof animate === 'number' ? animate : 500; + var initTime = new Date().valueOf(); + var anyChanged = false; - /** - * Set groups - * @param {vis.DataSet} groups - */ - LineGraph.prototype.setGroups = function(groups) { - var me = this; - var ids; + var next = function () { + if (!me.props.touch.dragging) { + var now = new Date().valueOf(); + var time = now - initTime; + var done = time > duration; + var s = (done || _start === null) ? _start : util.easeInOutQuad(time, initStart, _start, duration); + var e = (done || _end === null) ? _end : util.easeInOutQuad(time, initEnd, _end, duration); - // unsubscribe from current dataset - if (this.groupsData) { - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.unsubscribe(event, callback); - }); + changed = me._applyRange(s, e); + DateUtil.updateHiddenDates(me.body, me.options.hiddenDates); + anyChanged = anyChanged || changed; + if (changed) { + me.body.emitter.emit('rangechange', {start: new Date(me.start), end: new Date(me.end), byUser:byUser}); + } - // remove all drawn groups - ids = this.groupsData.getIds(); - this.groupsData = null; - this._onRemoveGroups(ids); // note: this will cause a redraw - } + if (done) { + if (anyChanged) { + me.body.emitter.emit('rangechanged', {start: new Date(me.start), end: new Date(me.end), byUser:byUser}); + } + } + else { + // animate with as high as possible frame rate, leave 20 ms in between + // each to prevent the browser from blocking + me.animateTimer = setTimeout(next, 20); + } + } + } - // replace the dataset - if (!groups) { - this.groupsData = null; - } - else if (groups instanceof DataSet || groups instanceof DataView) { - this.groupsData = groups; + return next(); } else { - throw new TypeError('Data must be an instance of DataSet or DataView'); - } - - if (this.groupsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.on(event, callback, id); - }); - - // draw all ms - ids = this.groupsData.getIds(); - this._onAddGroups(ids); + var changed = this._applyRange(_start, _end); + DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); + if (changed) { + var params = {start: new Date(this.start), end: new Date(this.end), byUser:byUser}; + this.body.emitter.emit('rangechange', params); + this.body.emitter.emit('rangechanged', params); + } } - this._onUpdate(); }; - /** - * Update the data - * @param [ids] + * Stop an animation * @private */ - LineGraph.prototype._onUpdate = function(ids) { - this._updateUngrouped(); - this._updateAllGroupData(); - //this._updateGraph(); - this.redraw(true); - }; - LineGraph.prototype._onAdd = function (ids) {this._onUpdate(ids);}; - LineGraph.prototype._onRemove = function (ids) {this._onUpdate(ids);}; - LineGraph.prototype._onUpdateGroups = function (groupIds) { - for (var i = 0; i < groupIds.length; i++) { - var group = this.groupsData.get(groupIds[i]); - this._updateGroup(group, groupIds[i]); + Range.prototype._cancelAnimation = function () { + if (this.animateTimer) { + clearTimeout(this.animateTimer); + this.animateTimer = null; } - - //this._updateGraph(); - this.redraw(true); }; - LineGraph.prototype._onAddGroups = function (groupIds) {this._onUpdateGroups(groupIds);}; - /** - * this cleans the group out off the legends and the dataaxis, updates the ungrouped and updates the graph - * @param {Array} groupIds + * Set a new start and end range. This method is the same as setRange, but + * does not trigger a range change and range changed event, and it returns + * true when the range is changed + * @param {Number} [start] + * @param {Number} [end] + * @return {Boolean} changed * @private */ - LineGraph.prototype._onRemoveGroups = function (groupIds) { - for (var i = 0; i < groupIds.length; i++) { - if (this.groups.hasOwnProperty(groupIds[i])) { - if (this.groups[groupIds[i]].options.yAxisOrientation == 'right') { - this.yAxisRight.removeGroup(groupIds[i]); - this.legendRight.removeGroup(groupIds[i]); - this.legendRight.redraw(); - } - else { - this.yAxisLeft.removeGroup(groupIds[i]); - this.legendLeft.removeGroup(groupIds[i]); - this.legendLeft.redraw(); + Range.prototype._applyRange = function(start, end) { + var newStart = (start != null) ? util.convert(start, 'Date').valueOf() : this.start, + newEnd = (end != null) ? util.convert(end, 'Date').valueOf() : this.end, + max = (this.options.max != null) ? util.convert(this.options.max, 'Date').valueOf() : null, + min = (this.options.min != null) ? util.convert(this.options.min, 'Date').valueOf() : null, + diff; + + // check for valid number + if (isNaN(newStart) || newStart === null) { + throw new Error('Invalid start "' + start + '"'); + } + if (isNaN(newEnd) || newEnd === null) { + throw new Error('Invalid end "' + end + '"'); + } + + // prevent start < end + if (newEnd < newStart) { + newEnd = newStart; + } + + // prevent start < min + if (min !== null) { + if (newStart < min) { + diff = (min - newStart); + newStart += diff; + newEnd += diff; + + // prevent end > max + if (max != null) { + if (newEnd > max) { + newEnd = max; + } } - delete this.groups[groupIds[i]]; } } - this._updateUngrouped(); - //this._updateGraph(); - this.redraw(true); - }; + // prevent end > max + if (max !== null) { + if (newEnd > max) { + diff = (newEnd - max); + newStart -= diff; + newEnd -= diff; - /** - * update a group object with the group dataset entree - * - * @param group - * @param groupId - * @private - */ - LineGraph.prototype._updateGroup = function (group, groupId) { - if (!this.groups.hasOwnProperty(groupId)) { - this.groups[groupId] = new GraphGroup(group, groupId, this.options, this.groupsUsingDefaultStyles); - if (this.groups[groupId].options.yAxisOrientation == 'right') { - this.yAxisRight.addGroup(groupId, this.groups[groupId]); - this.legendRight.addGroup(groupId, this.groups[groupId]); - } - else { - this.yAxisLeft.addGroup(groupId, this.groups[groupId]); - this.legendLeft.addGroup(groupId, this.groups[groupId]); + // prevent start < min + if (min != null) { + if (newStart < min) { + newStart = min; + } + } } } - else { - this.groups[groupId].update(group); - if (this.groups[groupId].options.yAxisOrientation == 'right') { - this.yAxisRight.updateGroup(groupId, this.groups[groupId]); - this.legendRight.updateGroup(groupId, this.groups[groupId]); + + // prevent (end-start) < zoomMin + if (this.options.zoomMin !== null) { + var zoomMin = parseFloat(this.options.zoomMin); + if (zoomMin < 0) { + zoomMin = 0; } - else { - this.yAxisLeft.updateGroup(groupId, this.groups[groupId]); - this.legendLeft.updateGroup(groupId, this.groups[groupId]); + if ((newEnd - newStart) < zoomMin) { + if ((this.end - this.start) === zoomMin) { + // ignore this action, we are already zoomed to the minimum + newStart = this.start; + newEnd = this.end; + } + else { + // zoom to the minimum + diff = (zoomMin - (newEnd - newStart)); + newStart -= diff / 2; + newEnd += diff / 2; + } } } - this.legendLeft.redraw(); - this.legendRight.redraw(); - }; - - /** - * this updates all groups, it is used when there is an update the the itemset. - * - * @private - */ - LineGraph.prototype._updateAllGroupData = function () { - if (this.itemsData != null) { - var groupsContent = {}; - var groupId; - for (groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - groupsContent[groupId] = []; - } + // prevent (end-start) > zoomMax + if (this.options.zoomMax !== null) { + var zoomMax = parseFloat(this.options.zoomMax); + if (zoomMax < 0) { + zoomMax = 0; } - for (var itemId in this.itemsData._data) { - if (this.itemsData._data.hasOwnProperty(itemId)) { - var item = this.itemsData._data[itemId]; - if (groupsContent[item.group] === undefined) { - throw new Error('Cannot find referenced group. Possible reason: items added before groups? Groups need to be added before items, as items refer to groups.') - } - item.x = util.convert(item.x,'Date'); - groupsContent[item.group].push(item); + if ((newEnd - newStart) > zoomMax) { + if ((this.end - this.start) === zoomMax) { + // ignore this action, we are already zoomed to the maximum + newStart = this.start; + newEnd = this.end; } - } - for (groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - this.groups[groupId].setItems(groupsContent[groupId]); + else { + // zoom to the maximum + diff = ((newEnd - newStart) - zoomMax); + newStart += diff / 2; + newEnd -= diff / 2; } } } + + var changed = (this.start != newStart || this.end != newEnd); + + // if the new range does NOT overlap with the old range, emit checkRangedItems to avoid not showing ranged items (ranged meaning has end time, not neccesarily of type Range) + if (!((newStart >= this.start && newStart <= this.end) || (newEnd >= this.start && newEnd <= this.end)) && + !((this.start >= newStart && this.start <= newEnd) || (this.end >= newStart && this.end <= newEnd) )) { + this.body.emitter.emit('checkRangedItems'); + } + + this.start = newStart; + this.end = newEnd; + return changed; }; + /** + * Retrieve the current range. + * @return {Object} An object with start and end properties + */ + Range.prototype.getRange = function() { + return { + start: this.start, + end: this.end + }; + }; /** - * Create or delete the group holding all ungrouped items. This group is used when - * there are no groups specified. This anonymous group is called 'graph'. - * @protected + * Calculate the conversion offset and scale for current range, based on + * the provided width + * @param {Number} width + * @returns {{offset: number, scale: number}} conversion */ - LineGraph.prototype._updateUngrouped = function() { - if (this.itemsData && this.itemsData != null) { - var ungroupedCounter = 0; - for (var itemId in this.itemsData._data) { - if (this.itemsData._data.hasOwnProperty(itemId)) { - var item = this.itemsData._data[itemId]; - if (item != undefined) { - if (item.hasOwnProperty('group')) { - if (item.group === undefined) { - item.group = UNGROUPED; - } - } - else { - item.group = UNGROUPED; - } - ungroupedCounter = item.group == UNGROUPED ? ungroupedCounter + 1 : ungroupedCounter; - } - } - } + Range.prototype.conversion = function (width, totalHidden) { + return Range.conversion(this.start, this.end, width, totalHidden); + }; - if (ungroupedCounter == 0) { - delete this.groups[UNGROUPED]; - this.legendLeft.removeGroup(UNGROUPED); - this.legendRight.removeGroup(UNGROUPED); - this.yAxisLeft.removeGroup(UNGROUPED); - this.yAxisRight.removeGroup(UNGROUPED); - } - else { - var group = {id: UNGROUPED, content: this.options.defaultGroup}; - this._updateGroup(group, UNGROUPED); + /** + * Static method to calculate the conversion offset and scale for a range, + * based on the provided start, end, and width + * @param {Number} start + * @param {Number} end + * @param {Number} width + * @returns {{offset: number, scale: number}} conversion + */ + Range.conversion = function (start, end, width, totalHidden) { + if (totalHidden === undefined) { + totalHidden = 0; + } + if (width != 0 && (end - start != 0)) { + return { + offset: start, + scale: width / (end - start - totalHidden) } } else { - delete this.groups[UNGROUPED]; - this.legendLeft.removeGroup(UNGROUPED); - this.legendRight.removeGroup(UNGROUPED); - this.yAxisLeft.removeGroup(UNGROUPED); - this.yAxisRight.removeGroup(UNGROUPED); + return { + offset: 0, + scale: 1 + }; } - - this.legendLeft.redraw(); - this.legendRight.redraw(); }; - /** - * Redraw the component, mandatory function - * @return {boolean} Returns true if the component is resized + * Start dragging horizontally or vertically + * @param {Event} event + * @private */ - LineGraph.prototype.redraw = function(forceGraphUpdate) { - var resized = false; - - // calculate actual size and position - this.props.width = this.dom.frame.offsetWidth; - this.props.height = this.body.domProps.centerContainer.height; - - // update the graph if there is no lastWidth or with, used for the initial draw - if (this.lastWidth === undefined && this.props.width) { - forceGraphUpdate = true; - } - - // check if this component is resized - resized = this._isResized() || resized; - - // check whether zoomed (in that case we need to re-stack everything) - var visibleInterval = this.body.range.end - this.body.range.start; - var zoomed = (visibleInterval != this.lastVisibleInterval); - this.lastVisibleInterval = visibleInterval; - - - // the svg element is three times as big as the width, this allows for fully dragging left and right - // without reloading the graph. the controls for this are bound to events in the constructor - if (resized == true) { - this.svg.style.width = util.option.asSize(3*this.props.width); - this.svg.style.left = util.option.asSize(-this.props.width); + Range.prototype._onDragStart = function(event) { + this.deltaDifference = 0; + this.previousDelta = 0; + // only allow dragging when configured as movable + if (!this.options.moveable) return; - // if the height of the graph is set as proportional, change the height of the svg - if ((this.options.height + '').indexOf("%") != -1 || this.updateSVGheightOnResize == true) { - this.updateSVGheight = true; - } - } + // refuse to drag when we where pinching to prevent the timeline make a jump + // when releasing the fingers in opposite order from the touch screen + if (!this.props.touch.allowDragging) return; - // update the height of the graph on each redraw of the graph. - if (this.updateSVGheight == true) { - if (this.options.graphHeight != this.body.domProps.centerContainer.height + 'px') { - this.options.graphHeight = this.body.domProps.centerContainer.height + 'px'; - this.svg.style.height = this.body.domProps.centerContainer.height + 'px'; - } - this.updateSVGheight = false; - } - else { - this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; - } + this.props.touch.start = this.start; + this.props.touch.end = this.end; + this.props.touch.dragging = true; - // zoomed is here to ensure that animations are shown correctly. - if (resized == true || zoomed == true || this.abortedGraphUpdate == true || forceGraphUpdate == true) { - resized = this._updateGraph() || resized; - } - else { - // move the whole svg while dragging - if (this.lastStart != 0) { - var offset = this.body.range.start - this.lastStart; - var range = this.body.range.end - this.body.range.start; - if (this.props.width != 0) { - var rangePerPixelInv = this.props.width/range; - var xOffset = offset * rangePerPixelInv; - this.svg.style.left = (-this.props.width - xOffset) + 'px'; - } - } + if (this.body.dom.root) { + this.body.dom.root.style.cursor = 'move'; } - - this.legendLeft.redraw(); - this.legendRight.redraw(); - return resized; }; - /** - * Update and redraw the graph. - * + * Perform dragging operation + * @param {Event} event + * @private */ - LineGraph.prototype._updateGraph = function () { - // reset the svg elements - DOMutil.prepareElements(this.svgElements); - if (this.props.width != 0 && this.itemsData != null) { - var group, i; - var preprocessedGroupData = {}; - var processedGroupData = {}; - var groupRanges = {}; - var changeCalled = false; - - // getting group Ids - var groupIds = []; - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - group = this.groups[groupId]; - if (group.visible == true && (this.options.groups.visibility[groupId] === undefined || this.options.groups.visibility[groupId] == true)) { - groupIds.push(groupId); - } - } - } - if (groupIds.length > 0) { - // this is the range of the SVG canvas - var minDate = this.body.util.toGlobalTime(-this.body.domProps.root.width); - var maxDate = this.body.util.toGlobalTime(2 * this.body.domProps.root.width); - var groupsData = {}; - // fill groups data, this only loads the data we require based on the timewindow - this._getRelevantData(groupIds, groupsData, minDate, maxDate); + Range.prototype._onDrag = function (event) { + // only allow dragging when configured as movable + if (!this.options.moveable) return; + // refuse to drag when we where pinching to prevent the timeline make a jump + // when releasing the fingers in opposite order from the touch screen + if (!this.props.touch.allowDragging) return; - // apply sampling, if disabled, it will pass through this function. - this._applySampling(groupIds, groupsData); + var direction = this.options.direction; + validateDirection(direction); - // we transform the X coordinates to detect collisions - for (i = 0; i < groupIds.length; i++) { - preprocessedGroupData[groupIds[i]] = this._convertXcoordinates(groupsData[groupIds[i]]); - } + var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY; + delta -= this.deltaDifference; + var interval = (this.props.touch.end - this.props.touch.start); - // now all needed data has been collected we start the processing. - this._getYRanges(groupIds, preprocessedGroupData, groupRanges); + // normalize dragging speed if cutout is in between. + var duration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + interval -= duration; - // update the Y axis first, we use this data to draw at the correct Y points - // changeCalled is required to clean the SVG on a change emit. - changeCalled = this._updateYAxis(groupIds, groupRanges); - var MAX_CYCLES = 5; - if (changeCalled == true && this.COUNTER < MAX_CYCLES) { - DOMutil.cleanupElements(this.svgElements); - this.abortedGraphUpdate = true; - this.COUNTER++; - this.body.emitter.emit('change'); - return true; - } - else { - if (this.COUNTER > MAX_CYCLES) { - console.log("WARNING: there may be an infinite loop in the _updateGraph emitter cycle.") - } - this.COUNTER = 0; - this.abortedGraphUpdate = false; + var width = (direction == 'horizontal') ? this.body.domProps.center.width : this.body.domProps.center.height; + var diffRange = -delta / width * interval; + var newStart = this.props.touch.start + diffRange; + var newEnd = this.props.touch.end + diffRange; - // With the yAxis scaled correctly, use this to get the Y values of the points. - for (i = 0; i < groupIds.length; i++) { - group = this.groups[groupIds[i]]; - processedGroupData[groupIds[i]] = this._convertYcoordinates(groupsData[groupIds[i]], group); - } - // draw the groups - for (i = 0; i < groupIds.length; i++) { - group = this.groups[groupIds[i]]; - if (group.options.style != 'bar') { // bar needs to be drawn enmasse - group.draw(processedGroupData[groupIds[i]], group, this.framework); - } - } - BarGraphFunctions.draw(groupIds, processedGroupData, this.framework); - } - } + // snapping times away from hidden zones + var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, this.previousDelta-delta, true); + var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, this.previousDelta-delta, true); + if (safeStart != newStart || safeEnd != newEnd) { + this.deltaDifference += delta; + this.props.touch.start = safeStart; + this.props.touch.end = safeEnd; + this._onDrag(event); + return; } - // cleanup unused svg elements - DOMutil.cleanupElements(this.svgElements); - return false; - }; + this.previousDelta = delta; + this._applyRange(newStart, newEnd); + // fire a rangechange event + this.body.emitter.emit('rangechange', { + start: new Date(this.start), + end: new Date(this.end), + byUser: true + }); + }; /** - * first select and preprocess the data from the datasets. - * the groups have their preselection of data, we now loop over this data to see - * what data we need to draw. Sorted data is much faster. - * more optimization is possible by doing the sampling before and using the binary search - * to find the end date to determine the increment. - * - * @param {array} groupIds - * @param {object} groupsData - * @param {date} minDate - * @param {date} maxDate + * Stop dragging operation + * @param {event} event * @private */ - LineGraph.prototype._getRelevantData = function (groupIds, groupsData, minDate, maxDate) { - var group, i, j, item; - if (groupIds.length > 0) { - for (i = 0; i < groupIds.length; i++) { - group = this.groups[groupIds[i]]; - groupsData[groupIds[i]] = []; - var dataContainer = groupsData[groupIds[i]]; - // optimization for sorted data - if (group.options.sort == true) { - var guess = Math.max(0, util.binarySearchValue(group.itemsData, minDate, 'x', 'before')); - for (j = guess; j < group.itemsData.length; j++) { - item = group.itemsData[j]; - if (item !== undefined) { - if (item.x > maxDate) { - dataContainer.push(item); - break; - } - else { - dataContainer.push(item); - } - } - } - } - else { - for (j = 0; j < group.itemsData.length; j++) { - item = group.itemsData[j]; - if (item !== undefined) { - if (item.x > minDate && item.x < maxDate) { - dataContainer.push(item); - } - } - } - } - } + Range.prototype._onDragEnd = function (event) { + // only allow dragging when configured as movable + if (!this.options.moveable) return; + + // refuse to drag when we where pinching to prevent the timeline make a jump + // when releasing the fingers in opposite order from the touch screen + if (!this.props.touch.allowDragging) return; + + this.props.touch.dragging = false; + if (this.body.dom.root) { + this.body.dom.root.style.cursor = 'auto'; } - }; + // fire a rangechanged event + this.body.emitter.emit('rangechanged', { + start: new Date(this.start), + end: new Date(this.end), + byUser: true + }); + }; /** - * - * @param groupIds - * @param groupsData + * Event handler for mouse wheel event, used to zoom + * Code from http://adomas.org/javascript-mouse-wheel/ + * @param {Event} event * @private */ - LineGraph.prototype._applySampling = function (groupIds, groupsData) { - var group; - if (groupIds.length > 0) { - for (var i = 0; i < groupIds.length; i++) { - group = this.groups[groupIds[i]]; - if (group.options.sampling == true) { - var dataContainer = groupsData[groupIds[i]]; - if (dataContainer.length > 0) { - var increment = 1; - var amountOfPoints = dataContainer.length; + Range.prototype._onMouseWheel = function(event) { + // only allow zooming when configured as zoomable and moveable + if (!(this.options.zoomable && this.options.moveable)) return; - // the global screen is used because changing the width of the yAxis may affect the increment, resulting in an endless loop - // of width changing of the yAxis. - var xDistance = this.body.util.toGlobalScreen(dataContainer[dataContainer.length - 1].x) - this.body.util.toGlobalScreen(dataContainer[0].x); - var pointsPerPixel = amountOfPoints / xDistance; - increment = Math.min(Math.ceil(0.2 * amountOfPoints), Math.max(1, Math.round(pointsPerPixel))); + // retrieve delta + var delta = 0; + if (event.wheelDelta) { /* IE/Opera. */ + delta = event.wheelDelta / 120; + } else if (event.detail) { /* Mozilla case. */ + // In Mozilla, sign of delta is different than in IE. + // Also, delta is multiple of 3. + delta = -event.detail / 3; + } - var sampledData = []; - for (var j = 0; j < amountOfPoints; j += increment) { - sampledData.push(dataContainer[j]); + // If delta is nonzero, handle it. + // Basically, delta is now positive if wheel was scrolled up, + // and negative, if wheel was scrolled down. + if (delta) { + // perform the zoom action. Delta is normally 1 or -1 - } - groupsData[groupIds[i]] = sampledData; - } - } + // adjust a negative delta such that zooming in with delta 0.1 + // equals zooming out with a delta -0.1 + var scale; + if (delta < 0) { + scale = 1 - (delta / 5); + } + else { + scale = 1 / (1 + (delta / 5)) ; } + + // calculate center, the date to zoom around + var gesture = hammerUtil.fakeGesture(this, event), + pointer = getPointer(gesture.center, this.body.dom.center), + pointerDate = this._pointerToDate(pointer); + + this.zoom(scale, pointerDate, delta); } - }; + // Prevent default actions caused by mouse wheel + // (else the page and timeline both zoom and scroll) + event.preventDefault(); + }; /** - * - * - * @param {array} groupIds - * @param {object} groupsData - * @param {object} groupRanges | this is being filled here + * Start of a touch gesture * @private */ - LineGraph.prototype._getYRanges = function (groupIds, groupsData, groupRanges) { - var groupData, group, i; - var barCombinedDataLeft = []; - var barCombinedDataRight = []; - var options; - if (groupIds.length > 0) { - for (i = 0; i < groupIds.length; i++) { - groupData = groupsData[groupIds[i]]; - options = this.groups[groupIds[i]].options; - if (groupData.length > 0) { - group = this.groups[groupIds[i]]; - // if bar graphs are stacked, their range need to be handled differently and accumulated over all groups. - if (options.barChart.handleOverlap == 'stack' && options.style == 'bar') { - if (options.yAxisOrientation == 'left') {barCombinedDataLeft = barCombinedDataLeft.concat(group.getYRange(groupData)) ;} - else {barCombinedDataRight = barCombinedDataRight.concat(group.getYRange(groupData));} - } - else { - groupRanges[groupIds[i]] = group.getYRange(groupData,groupIds[i]); - } - } - } - - // if bar graphs are stacked, their range need to be handled differently and accumulated over all groups. - BarGraphFunctions.getStackedBarYRange(barCombinedDataLeft , groupRanges, groupIds, '__barchartLeft' , 'left' ); - BarGraphFunctions.getStackedBarYRange(barCombinedDataRight, groupRanges, groupIds, '__barchartRight', 'right'); - } + Range.prototype._onTouch = function (event) { + this.props.touch.start = this.start; + this.props.touch.end = this.end; + this.props.touch.allowDragging = true; + this.props.touch.center = null; + this.scaleOffset = 0; + this.deltaDifference = 0; }; + /** + * On start of a hold gesture + * @private + */ + Range.prototype._onHold = function () { + this.props.touch.allowDragging = false; + }; /** - * this sets the Y ranges for the Y axis. It also determines which of the axis should be shown or hidden. - * @param {Array} groupIds - * @param {Object} groupRanges + * Handle pinch event + * @param {Event} event * @private */ - LineGraph.prototype._updateYAxis = function (groupIds, groupRanges) { - var resized = false; - var yAxisLeftUsed = false; - var yAxisRightUsed = false; - var minLeft = 1e9, minRight = 1e9, maxLeft = -1e9, maxRight = -1e9, minVal, maxVal; - // if groups are present - if (groupIds.length > 0) { - // this is here to make sure that if there are no items in the axis but there are groups, that there is no infinite draw/redraw loop. - for (var i = 0; i < groupIds.length; i++) { - var group = this.groups[groupIds[i]]; - if (group && group.options.yAxisOrientation != 'right') { - yAxisLeftUsed = true; - minLeft = 0; - maxLeft = 0; - } - else if (group && group.options.yAxisOrientation) { - yAxisRightUsed = true; - minRight = 0; - maxRight = 0; - } - } + Range.prototype._onPinch = function (event) { + // only allow zooming when configured as zoomable and moveable + if (!(this.options.zoomable && this.options.moveable)) return; - // if there are items: - for (var i = 0; i < groupIds.length; i++) { - if (groupRanges.hasOwnProperty(groupIds[i])) { - if (groupRanges[groupIds[i]].ignore !== true) { - minVal = groupRanges[groupIds[i]].min; - maxVal = groupRanges[groupIds[i]].max; + this.props.touch.allowDragging = false; - if (groupRanges[groupIds[i]].yAxisOrientation != 'right') { - yAxisLeftUsed = true; - minLeft = minLeft > minVal ? minVal : minLeft; - maxLeft = maxLeft < maxVal ? maxVal : maxLeft; - } - else { - yAxisRightUsed = true; - minRight = minRight > minVal ? minVal : minRight; - maxRight = maxRight < maxVal ? maxVal : maxRight; - } - } - } + if (event.gesture.touches.length > 1) { + if (!this.props.touch.center) { + this.props.touch.center = getPointer(event.gesture.center, this.body.dom.center); } - if (yAxisLeftUsed == true) { - this.yAxisLeft.setRange(minLeft, maxLeft); - } - if (yAxisRightUsed == true) { - this.yAxisRight.setRange(minRight, maxRight); - } - } - resized = this._toggleAxisVisiblity(yAxisLeftUsed , this.yAxisLeft) || resized; - resized = this._toggleAxisVisiblity(yAxisRightUsed, this.yAxisRight) || resized; + var scale = 1 / (event.gesture.scale + this.scaleOffset); + var centerDate = this._pointerToDate(this.props.touch.center); - if (yAxisRightUsed == true && yAxisLeftUsed == true) { - this.yAxisLeft.drawIcons = true; - this.yAxisRight.drawIcons = true; - } - else { - this.yAxisLeft.drawIcons = false; - this.yAxisRight.drawIcons = false; - } - this.yAxisRight.master = !yAxisLeftUsed; - if (this.yAxisRight.master == false) { - if (yAxisRightUsed == true) {this.yAxisLeft.lineOffset = this.yAxisRight.width;} - else {this.yAxisLeft.lineOffset = 0;} + var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, centerDate); + var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; - resized = this.yAxisLeft.redraw() || resized; - this.yAxisRight.stepPixelsForced = this.yAxisLeft.stepPixels; - this.yAxisRight.zeroCrossing = this.yAxisLeft.zeroCrossing; - resized = this.yAxisRight.redraw() || resized; - } - else { - resized = this.yAxisRight.redraw() || resized; - } + // calculate new start and end + var newStart = (centerDate - hiddenDurationBefore) + (this.props.touch.start - (centerDate - hiddenDurationBefore)) * scale; + var newEnd = (centerDate + hiddenDurationAfter) + (this.props.touch.end - (centerDate + hiddenDurationAfter)) * scale; - // clean the accumulated lists - if (groupIds.indexOf('__barchartLeft') != -1) { - groupIds.splice(groupIds.indexOf('__barchartLeft'),1); - } - if (groupIds.indexOf('__barchartRight') != -1) { - groupIds.splice(groupIds.indexOf('__barchartRight'),1); - } + // snapping times away from hidden zones + this.startToFront = 1 - scale > 0 ? false : true; // used to do the right autocorrection with periodic hidden times + this.endToFront = scale - 1 > 0 ? false : true; // used to do the right autocorrection with periodic hidden times - return resized; - }; + var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, 1 - scale, true); + var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, scale - 1, true); + if (safeStart != newStart || safeEnd != newEnd) { + this.props.touch.start = safeStart; + this.props.touch.end = safeEnd; + this.scaleOffset = 1 - event.gesture.scale; + newStart = safeStart; + newEnd = safeEnd; + } + this.setRange(newStart, newEnd, false, true); + + this.startToFront = false; // revert to default + this.endToFront = true; // revert to default + } + }; /** - * This shows or hides the Y axis if needed. If there is a change, the changed event is emitted by the updateYAxis function - * - * @param {boolean} axisUsed - * @returns {boolean} + * Helper function to calculate the center date for zooming + * @param {{x: Number, y: Number}} pointer + * @return {number} date * @private - * @param axis */ - LineGraph.prototype._toggleAxisVisiblity = function (axisUsed, axis) { - var changed = false; - if (axisUsed == false) { - if (axis.dom.frame.parentNode && axis.hidden == false) { - axis.hide() - changed = true; - } + Range.prototype._pointerToDate = function (pointer) { + var conversion; + var direction = this.options.direction; + + validateDirection(direction); + + if (direction == 'horizontal') { + return this.body.util.toTime(pointer.x).valueOf(); } else { - if (!axis.dom.frame.parentNode && axis.hidden == true) { - axis.show(); - changed = true; - } + var height = this.body.domProps.center.height; + conversion = this.conversion(height); + return pointer.y / conversion.scale + conversion.offset; } - return changed; }; - /** - * This uses the DataAxis object to generate the correct X coordinate on the SVG window. It uses the - * util function toScreen to get the x coordinate from the timestamp. It also pre-filters the data and get the minMax ranges for - * the yAxis. - * - * @param datapoints - * @returns {Array} + * Get the pointer location relative to the location of the dom element + * @param {{pageX: Number, pageY: Number}} touch + * @param {Element} element HTML DOM element + * @return {{x: Number, y: Number}} pointer * @private */ - LineGraph.prototype._convertXcoordinates = function (datapoints) { - var extractedData = []; - var xValue, yValue; - var toScreen = this.body.util.toScreen; + function getPointer (touch, element) { + return { + x: touch.pageX - util.getAbsoluteLeft(element), + y: touch.pageY - util.getAbsoluteTop(element) + }; + } - for (var i = 0; i < datapoints.length; i++) { - xValue = toScreen(datapoints[i].x) + this.props.width; - yValue = datapoints[i].y; - extractedData.push({x: xValue, y: yValue}); + /** + * Zoom the range the given scale in or out. Start and end date will + * be adjusted, and the timeline will be redrawn. You can optionally give a + * date around which to zoom. + * For example, try scale = 0.9 or 1.1 + * @param {Number} scale Scaling factor. Values above 1 will zoom out, + * values below 1 will zoom in. + * @param {Number} [center] Value representing a date around which will + * be zoomed. + */ + Range.prototype.zoom = function(scale, center, delta) { + // if centerDate is not provided, take it half between start Date and end Date + if (center == null) { + center = (this.start + this.end) / 2; } - return extractedData; + var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); + var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + + // calculate new start and end + var newStart = (center-hiddenDurationBefore) + (this.start - (center-hiddenDurationBefore)) * scale; + var newEnd = (center+hiddenDurationAfter) + (this.end - (center+hiddenDurationAfter)) * scale; + + // snapping times away from hidden zones + this.startToFront = delta > 0 ? false : true; // used to do the right autocorrection with periodic hidden times + this.endToFront = -delta > 0 ? false : true; // used to do the right autocorrection with periodic hidden times + var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, delta, true); + var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, -delta, true); + if (safeStart != newStart || safeEnd != newEnd) { + newStart = safeStart; + newEnd = safeEnd; + } + + this.setRange(newStart, newEnd, false, true); + + this.startToFront = false; // revert to default + this.endToFront = true; // revert to default }; + /** - * This uses the DataAxis object to generate the correct X coordinate on the SVG window. It uses the - * util function toScreen to get the x coordinate from the timestamp. It also pre-filters the data and get the minMax ranges for - * the yAxis. - * - * @param datapoints - * @param group - * @returns {Array} - * @private + * Move the range with a given delta to the left or right. Start and end + * value will be adjusted. For example, try delta = 0.1 or -0.1 + * @param {Number} delta Moving amount. Positive value will move right, + * negative value will move left */ - LineGraph.prototype._convertYcoordinates = function (datapoints, group) { - var extractedData = []; - var xValue, yValue; - var toScreen = this.body.util.toScreen; - var axis = this.yAxisLeft; - var svgHeight = Number(this.svg.style.height.replace('px','')); - if (group.options.yAxisOrientation == 'right') { - axis = this.yAxisRight; - } + Range.prototype.move = function(delta) { + // zoom start Date and end Date relative to the centerDate + var diff = (this.end - this.start); - for (var i = 0; i < datapoints.length; i++) { - xValue = toScreen(datapoints[i].x) + this.props.width; - yValue = Math.round(axis.convertValue(datapoints[i].y)); - extractedData.push({x: xValue, y: yValue}); - } + // apply new values + var newStart = this.start + diff * delta; + var newEnd = this.end + diff * delta; - group.setZeroPosition(Math.min(svgHeight, axis.convertValue(0))); + // TODO: reckon with min and max range - return extractedData; + this.start = newStart; + this.end = newEnd; }; + /** + * Move the range to a new center point + * @param {Number} moveTo New center point of the range + */ + Range.prototype.moveTo = function(moveTo) { + var center = (this.start + this.end) / 2; + + var diff = center - moveTo; - module.exports = LineGraph; + // calculate new start and end + var newStart = this.start - diff; + var newEnd = this.end - diff; + + this.setRange(newStart, newEnd); + }; + + module.exports = Range; /***/ }, -/* 30 */ +/* 22 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var Component = __webpack_require__(20); - var TimeStep = __webpack_require__(19); - var DateUtil = __webpack_require__(15); - var moment = __webpack_require__(44); + var Hammer = __webpack_require__(19); /** - * A horizontal time axis - * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} body - * @param {Object} [options] See TimeAxis.setOptions for the available - * options. - * @constructor TimeAxis - * @extends Component + * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent + * @param {Element} element + * @param {Event} event */ - function TimeAxis (body, options) { - this.dom = { - foreground: null, - lines: [], - majorTexts: [], - minorTexts: [], - redundant: { - lines: [], - majorTexts: [], - minorTexts: [] - } - }; - this.props = { - range: { - start: 0, - end: 0, - minimumStep: 0 - }, - lineTop: 0 - }; + exports.fakeGesture = function(element, event) { + var eventType = null; - this.defaultOptions = { - orientation: 'bottom', // supported: 'top', 'bottom' - // TODO: implement timeaxis orientations 'left' and 'right' - showMinorLabels: true, - showMajorLabels: true, - format: null - }; - this.options = util.extend({}, this.defaultOptions); + // for hammer.js 1.0.5 + // var gesture = Hammer.event.collectEventData(this, eventType, event); - this.body = body; + // for hammer.js 1.0.6+ + var touches = Hammer.event.getTouchList(event, eventType); + var gesture = Hammer.event.collectEventData(this, eventType, touches, event); - // create the HTML DOM - this._create(); + // on IE in standards mode, no touches are recognized by hammer.js, + // resulting in NaN values for center.pageX and center.pageY + if (isNaN(gesture.center.pageX)) { + gesture.center.pageX = event.pageX; + } + if (isNaN(gesture.center.pageY)) { + gesture.center.pageY = event.pageY; + } - this.setOptions(options); - } + return gesture; + }; - TimeAxis.prototype = new Component(); + +/***/ }, +/* 23 */ +/***/ function(module, exports, __webpack_require__) { /** - * Set options for the TimeAxis. - * Parameters will be merged in current options. - * @param {Object} options Available options: - * {string} [orientation] - * {boolean} [showMinorLabels] - * {boolean} [showMajorLabels] + * Prototype for visual components + * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body] + * @param {Object} [options] */ - TimeAxis.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - util.selectiveExtend([ - 'orientation', - 'showMinorLabels', - 'showMajorLabels', - 'hiddenDates', - 'format' - ], this.options, options); + function Component (body, options) { + this.options = null; + this.props = null; + } - // apply locale to moment.js - // TODO: not so nice, this is applied globally to moment.js - if ('locale' in options) { - if (typeof moment.locale === 'function') { - // moment.js 2.8.1+ - moment.locale(options.locale); - } - else { - moment.lang(options.locale); - } - } + /** + * Set options for the component. The new options will be merged into the + * current options. + * @param {Object} options + */ + Component.prototype.setOptions = function(options) { + if (options) { + util.extend(this.options, options); } }; /** - * Create the HTML DOM for the TimeAxis + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ + Component.prototype.redraw = function() { + // should be implemented by the component + return false; + }; + + /** + * Destroy the component. Cleanup DOM and event listeners + */ + Component.prototype.destroy = function() { + // should be implemented by the component + }; + + /** + * Test whether the component is resized since the last time _isResized() was + * called. + * @return {Boolean} Returns true if the component is resized + * @protected */ - TimeAxis.prototype._create = function() { - this.dom.foreground = document.createElement('div'); - this.dom.background = document.createElement('div'); + Component.prototype._isResized = function() { + var resized = (this.props._previousWidth !== this.props.width || + this.props._previousHeight !== this.props.height); - this.dom.foreground.className = 'timeaxis foreground'; - this.dom.background.className = 'timeaxis background'; + this.props._previousWidth = this.props.width; + this.props._previousHeight = this.props.height; + + return resized; }; + module.exports = Component; + + +/***/ }, +/* 24 */ +/***/ function(module, exports, __webpack_require__) { + /** - * Destroy the TimeAxis + * Created by Alex on 10/3/2014. */ - TimeAxis.prototype.destroy = function() { - // remove from DOM - if (this.dom.foreground.parentNode) { - this.dom.foreground.parentNode.removeChild(this.dom.foreground); - } - if (this.dom.background.parentNode) { - this.dom.background.parentNode.removeChild(this.dom.background); - } + var moment = __webpack_require__(2); - this.body = null; - }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * used in Core to convert the options into a volatile variable + * + * @param Core */ - TimeAxis.prototype.redraw = function () { - var options = this.options; - var props = this.props; - var foreground = this.dom.foreground; - var background = this.dom.background; - - // determine the correct parent DOM element (depending on option orientation) - var parent = (options.orientation == 'top') ? this.body.dom.top : this.body.dom.bottom; - var parentChanged = (foreground.parentNode !== parent); + exports.convertHiddenOptions = function(body, hiddenDates) { + body.hiddenDates = []; + if (hiddenDates) { + if (Array.isArray(hiddenDates) == true) { + for (var i = 0; i < hiddenDates.length; i++) { + if (hiddenDates[i].repeat === undefined) { + var dateItem = {}; + dateItem.start = moment(hiddenDates[i].start).toDate().valueOf(); + dateItem.end = moment(hiddenDates[i].end).toDate().valueOf(); + body.hiddenDates.push(dateItem); + } + } + body.hiddenDates.sort(function (a, b) { + return a.start - b.start; + }); // sort by start time + } + } + }; - // calculate character width and height - this._calculateCharSize(); - // TODO: recalculate sizes only needed when parent is resized or options is changed - var orientation = this.options.orientation, - showMinorLabels = this.options.showMinorLabels, - showMajorLabels = this.options.showMajorLabels; + /** + * create new entrees for the repeating hidden dates + * @param body + * @param hiddenDates + */ + exports.updateHiddenDates = function (body, hiddenDates) { + if (hiddenDates && body.domProps.centerContainer.width !== undefined) { + exports.convertHiddenOptions(body, hiddenDates); - // determine the width and height of the elemens for the axis - props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; - props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; - props.height = props.minorLabelHeight + props.majorLabelHeight; - props.width = foreground.offsetWidth; + var start = moment(body.range.start); + var end = moment(body.range.end); - props.minorLineHeight = this.body.domProps.root.height - props.majorLabelHeight - - (options.orientation == 'top' ? this.body.domProps.bottom.height : this.body.domProps.top.height); - props.minorLineWidth = 1; // TODO: really calculate width - props.majorLineHeight = props.minorLineHeight + props.majorLabelHeight; - props.majorLineWidth = 1; // TODO: really calculate width + var totalRange = (body.range.end - body.range.start); + var pixelTime = totalRange / body.domProps.centerContainer.width; - // take foreground and background offline while updating (is almost twice as fast) - var foregroundNextSibling = foreground.nextSibling; - var backgroundNextSibling = background.nextSibling; - foreground.parentNode && foreground.parentNode.removeChild(foreground); - background.parentNode && background.parentNode.removeChild(background); + for (var i = 0; i < hiddenDates.length; i++) { + if (hiddenDates[i].repeat !== undefined) { + var startDate = moment(hiddenDates[i].start); + var endDate = moment(hiddenDates[i].end); - foreground.style.height = this.props.height + 'px'; + if (startDate._d == "Invalid Date") { + throw new Error("Supplied start date is not valid: " + hiddenDates[i].start); + } + if (endDate._d == "Invalid Date") { + throw new Error("Supplied end date is not valid: " + hiddenDates[i].end); + } - this._repaintLabels(); + var duration = endDate - startDate; + if (duration >= 4 * pixelTime) { - // put DOM online again (at the same place) - if (foregroundNextSibling) { - parent.insertBefore(foreground, foregroundNextSibling); - } - else { - parent.appendChild(foreground) - } - if (backgroundNextSibling) { - this.body.dom.backgroundVertical.insertBefore(background, backgroundNextSibling); - } - else { - this.body.dom.backgroundVertical.appendChild(background) - } + var offset = 0; + var runUntil = end.clone(); + switch (hiddenDates[i].repeat) { + case "daily": // case of time + if (startDate.day() != endDate.day()) { + offset = 1; + } + startDate.dayOfYear(start.dayOfYear()); + startDate.year(start.year()); + startDate.subtract(7,'days'); - return this._isResized() || parentChanged; - }; + endDate.dayOfYear(start.dayOfYear()); + endDate.year(start.year()); + endDate.subtract(7 - offset,'days'); - /** - * Repaint major and minor text labels and vertical grid lines - * @private - */ - TimeAxis.prototype._repaintLabels = function () { - var orientation = this.options.orientation; + runUntil.add(1, 'weeks'); + break; + case "weekly": + var dayOffset = endDate.diff(startDate,'days') + var day = startDate.day(); - // calculate range and step (step such that we have space for 7 characters per label) - var start = util.convert(this.body.range.start, 'Number'); - var end = util.convert(this.body.range.end, 'Number'); - var timeLabelsize = this.body.util.toTime((this.props.minorCharWidth || 10) * 7).valueOf(); - var minimumStep = timeLabelsize - DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this.body.range, timeLabelsize); - minimumStep -= this.body.util.toTime(0).valueOf(); + // set the start date to the range.start + startDate.date(start.date()); + startDate.month(start.month()); + startDate.year(start.year()); + endDate = startDate.clone(); - var step = new TimeStep(new Date(start), new Date(end), minimumStep, this.body.hiddenDates); - if (this.options.format) { - step.setFormat(this.options.format); - } - this.step = step; + // force + startDate.day(day); + endDate.day(day); + endDate.add(dayOffset,'days'); - // Move all DOM elements to a "redundant" list, where they - // can be picked for re-use, and clear the lists with lines and texts. - // At the end of the function _repaintLabels, left over elements will be cleaned up - var dom = this.dom; - dom.redundant.lines = dom.lines; - dom.redundant.majorTexts = dom.majorTexts; - dom.redundant.minorTexts = dom.minorTexts; - dom.lines = []; - dom.majorTexts = []; - dom.minorTexts = []; + startDate.subtract(1,'weeks'); + endDate.subtract(1,'weeks'); - var cur; - var x = 0; - var isMajor; - var xPrev = 0; - var width = 0; - var prevLine; - var xFirstMajorLabel = undefined; - var max = 0; - var className; + runUntil.add(1, 'weeks'); + break + case "monthly": + if (startDate.month() != endDate.month()) { + offset = 1; + } + startDate.month(start.month()); + startDate.year(start.year()); + startDate.subtract(1,'months'); - step.first(); - while (step.hasNext() && max < 1000) { - max++; + endDate.month(start.month()); + endDate.year(start.year()); + endDate.subtract(1,'months'); + endDate.add(offset,'months'); - cur = step.getCurrent(); - isMajor = step.isMajor(); - className = step.getClassName(); + runUntil.add(1, 'months'); + break; + case "yearly": + if (startDate.year() != endDate.year()) { + offset = 1; + } + startDate.year(start.year()); + startDate.subtract(1,'years'); + endDate.year(start.year()); + endDate.subtract(1,'years'); + endDate.add(offset,'years'); - xPrev = x; - x = this.body.util.toScreen(cur); - width = x - xPrev; - if (prevLine) { - prevLine.style.width = width + 'px'; + runUntil.add(1, 'years'); + break; + default: + console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat); + return; + } + while (startDate < runUntil) { + body.hiddenDates.push({start: startDate.valueOf(), end: endDate.valueOf()}); + switch (hiddenDates[i].repeat) { + case "daily": + startDate.add(1, 'days'); + endDate.add(1, 'days'); + break; + case "weekly": + startDate.add(1, 'weeks'); + endDate.add(1, 'weeks'); + break + case "monthly": + startDate.add(1, 'months'); + endDate.add(1, 'months'); + break; + case "yearly": + startDate.add(1, 'y'); + endDate.add(1, 'y'); + break; + default: + console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat); + return; + } + } + body.hiddenDates.push({start: startDate.valueOf(), end: endDate.valueOf()}); + } + } } - - if (this.options.showMinorLabels) { - this._repaintMinorText(x, step.getLabelMinor(), orientation, className); + // remove duplicates, merge where possible + exports.removeDuplicates(body); + // ensure the new positions are not on hidden dates + var startHidden = exports.isHidden(body.range.start, body.hiddenDates); + var endHidden = exports.isHidden(body.range.end,body.hiddenDates); + var rangeStart = body.range.start; + var rangeEnd = body.range.end; + if (startHidden.hidden == true) {rangeStart = body.range.startToFront == true ? startHidden.startDate - 1 : startHidden.endDate + 1;} + if (endHidden.hidden == true) {rangeEnd = body.range.endToFront == true ? endHidden.startDate - 1 : endHidden.endDate + 1;} + if (startHidden.hidden == true || endHidden.hidden == true) { + body.range._applyRange(rangeStart, rangeEnd); } + } - if (isMajor && this.options.showMajorLabels) { - if (x > 0) { - if (xFirstMajorLabel == undefined) { - xFirstMajorLabel = x; + } + + + /** + * remove duplicates from the hidden dates list. Duplicates are evil. They mess everything up. + * Scales with N^2 + * @param body + */ + exports.removeDuplicates = function(body) { + var hiddenDates = body.hiddenDates; + var safeDates = []; + for (var i = 0; i < hiddenDates.length; i++) { + for (var j = 0; j < hiddenDates.length; j++) { + if (i != j && hiddenDates[j].remove != true && hiddenDates[i].remove != true) { + // j inside i + if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { + hiddenDates[j].remove = true; + } + // j start inside i + else if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].start <= hiddenDates[i].end) { + hiddenDates[i].end = hiddenDates[j].end; + hiddenDates[j].remove = true; + } + // j end inside i + else if (hiddenDates[j].end >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { + hiddenDates[i].start = hiddenDates[j].start; + hiddenDates[j].remove = true; } - this._repaintMajorText(x, step.getLabelMajor(), orientation, className); } - prevLine = this._repaintMajorLine(x, orientation, className); - } - else { - prevLine = this._repaintMinorLine(x, orientation, className); } + } - step.next(); + for (var i = 0; i < hiddenDates.length; i++) { + if (hiddenDates[i].remove !== true) { + safeDates.push(hiddenDates[i]); + } } - // create a major label on the left when needed - if (this.options.showMajorLabels) { - var leftTime = this.body.util.toTime(0), - leftText = step.getLabelMajor(leftTime), - widthText = leftText.length * (this.props.majorCharWidth || 10) + 10; // upper bound estimation + body.hiddenDates = safeDates; + body.hiddenDates.sort(function (a, b) { + return a.start - b.start; + }); // sort by start time + } - if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { - this._repaintMajorText(0, leftText, orientation, className); + exports.printDates = function(dates) { + for (var i =0; i < dates.length; i++) { + console.log(i, new Date(dates[i].start),new Date(dates[i].end), dates[i].start, dates[i].end, dates[i].remove); + } + } + + /** + * Used in TimeStep to avoid the hidden times. + * @param timeStep + * @param previousTime + */ + exports.stepOverHiddenDates = function(timeStep, previousTime) { + var stepInHidden = false; + var currentValue = timeStep.current.valueOf(); + for (var i = 0; i < timeStep.hiddenDates.length; i++) { + var startDate = timeStep.hiddenDates[i].start; + var endDate = timeStep.hiddenDates[i].end; + if (currentValue >= startDate && currentValue < endDate) { + stepInHidden = true; + break; } } - // Cleanup leftover DOM elements from the redundant list - util.forEach(this.dom.redundant, function (arr) { - while (arr.length) { - var elem = arr.pop(); - if (elem && elem.parentNode) { - elem.parentNode.removeChild(elem); - } + if (stepInHidden == true && currentValue < timeStep._end.valueOf() && currentValue != previousTime) { + var prevValue = moment(previousTime); + var newValue = moment(endDate); + //check if the next step should be major + if (prevValue.year() != newValue.year()) {timeStep.switchedYear = true;} + else if (prevValue.month() != newValue.month()) {timeStep.switchedMonth = true;} + else if (prevValue.dayOfYear() != newValue.dayOfYear()) {timeStep.switchedDay = true;} + + timeStep.current = newValue.toDate(); + } + }; + + + ///** + // * Used in TimeStep to avoid the hidden times. + // * @param timeStep + // * @param previousTime + // */ + //exports.checkFirstStep = function(timeStep) { + // var stepInHidden = false; + // var currentValue = timeStep.current.valueOf(); + // for (var i = 0; i < timeStep.hiddenDates.length; i++) { + // var startDate = timeStep.hiddenDates[i].start; + // var endDate = timeStep.hiddenDates[i].end; + // if (currentValue >= startDate && currentValue < endDate) { + // stepInHidden = true; + // break; + // } + // } + // + // if (stepInHidden == true && currentValue <= timeStep._end.valueOf()) { + // var newValue = moment(endDate); + // timeStep.current = newValue.toDate(); + // } + //}; + + /** + * replaces the Core toScreen methods + * @param Core + * @param time + * @param width + * @returns {number} + */ + exports.toScreen = function(Core, time, width) { + if (Core.body.hiddenDates.length == 0) { + var conversion = Core.range.conversion(width); + return (time.valueOf() - conversion.offset) * conversion.scale; + } + else { + var hidden = exports.isHidden(time, Core.body.hiddenDates) + if (hidden.hidden == true) { + time = hidden.startDate; } - }); + + var duration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); + time = exports.correctTimeForHidden(Core.body.hiddenDates, Core.range, time); + + var conversion = Core.range.conversion(width, duration); + return (time.valueOf() - conversion.offset) * conversion.scale; + } }; + /** - * Create a minor label for the axis at position x - * @param {Number} x - * @param {String} text - * @param {String} orientation "top" or "bottom" (default) - * @param {String} className - * @private + * Replaces the core toTime methods + * @param body + * @param range + * @param x + * @param width + * @returns {Date} */ - TimeAxis.prototype._repaintMinorText = function (x, text, orientation, className) { - // reuse redundant label - var label = this.dom.redundant.minorTexts.shift(); + exports.toTime = function(Core, x, width) { + if (Core.body.hiddenDates.length == 0) { + var conversion = Core.range.conversion(width); + return new Date(x / conversion.scale + conversion.offset); + } + else { + var hiddenDuration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); + var totalDuration = Core.range.end - Core.range.start - hiddenDuration; + var partialDuration = totalDuration * x / width; + var accumulatedHiddenDuration = exports.getAccumulatedHiddenDuration(Core.body.hiddenDates, Core.range, partialDuration); - if (!label) { - // create new label - var content = document.createTextNode(''); - label = document.createElement('div'); - label.appendChild(content); - this.dom.foreground.appendChild(label); + var newTime = new Date(accumulatedHiddenDuration + partialDuration + Core.range.start); + return newTime; } - this.dom.minorTexts.push(label); + }; - label.childNodes[0].nodeValue = text; - label.style.top = (orientation == 'top') ? (this.props.majorLabelHeight + 'px') : '0'; - label.style.left = x + 'px'; - label.className = 'text minor ' + className; - //label.title = title; // TODO: this is a heavy operation + /** + * Support function + * + * @param hiddenDates + * @param range + * @returns {number} + */ + exports.getHiddenDurationBetween = function(hiddenDates, start, end) { + var duration = 0; + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; + // if time after the cutout, and the + if (startDate >= start && endDate < end) { + duration += endDate - startDate; + } + } + return duration; + }; + + + /** + * Support function + * @param hiddenDates + * @param range + * @param time + * @returns {{duration: number, time: *, offset: number}} + */ + exports.correctTimeForHidden = function(hiddenDates, range, time) { + time = moment(time).toDate().valueOf(); + time -= exports.getHiddenDurationBefore(hiddenDates,range,time); + return time; }; + exports.getHiddenDurationBefore = function(hiddenDates, range, time) { + var timeOffset = 0; + time = moment(time).toDate().valueOf(); + + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; + // if time after the cutout, and the + if (startDate >= range.start && endDate < range.end) { + if (time >= endDate) { + timeOffset += (endDate - startDate); + } + } + } + return timeOffset; + } + /** - * Create a Major label for the axis at position x - * @param {Number} x - * @param {String} text - * @param {String} orientation "top" or "bottom" (default) - * @param {String} className - * @private + * sum the duration from start to finish, including the hidden duration, + * until the required amount has been reached, return the accumulated hidden duration + * @param hiddenDates + * @param range + * @param time + * @returns {{duration: number, time: *, offset: number}} */ - TimeAxis.prototype._repaintMajorText = function (x, text, orientation, className) { - // reuse redundant label - var label = this.dom.redundant.majorTexts.shift(); - - if (!label) { - // create label - var content = document.createTextNode(text); - label = document.createElement('div'); - label.appendChild(content); - this.dom.foreground.appendChild(label); + exports.getAccumulatedHiddenDuration = function(hiddenDates, range, requiredDuration) { + var hiddenDuration = 0; + var duration = 0; + var previousPoint = range.start; + //exports.printDates(hiddenDates) + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; + // if time after the cutout, and the + if (startDate >= range.start && endDate < range.end) { + duration += startDate - previousPoint; + previousPoint = endDate; + if (duration >= requiredDuration) { + break; + } + else { + hiddenDuration += endDate - startDate; + } + } } - this.dom.majorTexts.push(label); - - label.childNodes[0].nodeValue = text; - label.className = 'text major ' + className; - //label.title = title; // TODO: this is a heavy operation - label.style.top = (orientation == 'top') ? '0' : (this.props.minorLabelHeight + 'px'); - label.style.left = x + 'px'; + return hiddenDuration; }; + + /** - * Create a minor line for the axis at position x - * @param {Number} x - * @param {String} orientation "top" or "bottom" (default) - * @param {String} className - * @return {Element} Returns the created line - * @private + * used to step over to either side of a hidden block. Correction is disabled on tablets, might be set to true + * @param hiddenDates + * @param time + * @param direction + * @param correctionEnabled + * @returns {*} */ - TimeAxis.prototype._repaintMinorLine = function (x, orientation, className) { - // reuse redundant line - var line = this.dom.redundant.lines.shift(); - if (!line) { - // create vertical line - line = document.createElement('div'); - this.dom.background.appendChild(line); - } - this.dom.lines.push(line); - - var props = this.props; - if (orientation == 'top') { - line.style.top = props.majorLabelHeight + 'px'; + exports.snapAwayFromHidden = function(hiddenDates, time, direction, correctionEnabled) { + var isHidden = exports.isHidden(time, hiddenDates); + if (isHidden.hidden == true) { + if (direction < 0) { + if (correctionEnabled == true) { + return isHidden.startDate - (isHidden.endDate - time) - 1; + } + else { + return isHidden.startDate - 1; + } + } + else { + if (correctionEnabled == true) { + return isHidden.endDate + (time - isHidden.startDate) + 1; + } + else { + return isHidden.endDate + 1; + } + } } else { - line.style.top = this.body.domProps.top.height + 'px'; + return time; } - line.style.height = props.minorLineHeight + 'px'; - line.style.left = (x - props.minorLineWidth / 2) + 'px'; - line.className = 'grid vertical minor ' + className; + } - return line; - }; /** - * Create a Major line for the axis at position x - * @param {Number} x - * @param {String} orientation "top" or "bottom" (default) - * @param {String} className - * @return {Element} Returns the created line - * @private + * Check if a time is hidden + * + * @param time + * @param hiddenDates + * @returns {{hidden: boolean, startDate: Window.start, endDate: *}} */ - TimeAxis.prototype._repaintMajorLine = function (x, orientation, className) { - // reuse redundant line - var line = this.dom.redundant.lines.shift(); - if (!line) { - // create vertical line - line = document.createElement('div'); - this.dom.background.appendChild(line); - } - this.dom.lines.push(line); + exports.isHidden = function(time, hiddenDates) { + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; - var props = this.props; - if (orientation == 'top') { - line.style.top = '0'; - } - else { - line.style.top = this.body.domProps.top.height + 'px'; + if (time >= startDate && time < endDate) { // if the start is entering a hidden zone + return {hidden: true, startDate: startDate, endDate: endDate}; + break; + } } - line.style.left = (x - props.majorLineWidth / 2) + 'px'; - line.style.height = props.majorLineHeight + 'px'; + return {hidden: false, startDate: startDate, endDate: endDate}; + } - line.className = 'grid vertical major ' + className; +/***/ }, +/* 25 */ +/***/ function(module, exports, __webpack_require__) { - return line; - }; + var Emitter = __webpack_require__(11); + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var Range = __webpack_require__(21); + var ItemSet = __webpack_require__(26); + var Activator = __webpack_require__(35); + var DateUtil = __webpack_require__(24); /** - * Determine the size of text on the axis (both major and minor axis). - * The size is calculated only once and then cached in this.props. - * @private + * Create a timeline visualization + * @param {HTMLElement} container + * @param {vis.DataSet | Array | google.visualization.DataTable} [items] + * @param {Object} [options] See Core.setOptions for the available options. + * @constructor */ - TimeAxis.prototype._calculateCharSize = function () { - // Note: We calculate char size with every redraw. Size may change, for - // example when any of the timelines parents had display:none for example. + function Core () {} - // determine the char width and height on the minor axis - if (!this.dom.measureCharMinor) { - this.dom.measureCharMinor = document.createElement('DIV'); - this.dom.measureCharMinor.className = 'text minor measure'; - this.dom.measureCharMinor.style.position = 'absolute'; + // turn Core into an event emitter + Emitter(Core.prototype); - this.dom.measureCharMinor.appendChild(document.createTextNode('0')); - this.dom.foreground.appendChild(this.dom.measureCharMinor); - } - this.props.minorCharHeight = this.dom.measureCharMinor.clientHeight; - this.props.minorCharWidth = this.dom.measureCharMinor.clientWidth; + /** + * Create the main DOM for the Core: a root panel containing left, right, + * top, bottom, content, and background panel. + * @param {Element} container The container element where the Core will + * be attached. + * @private + */ + Core.prototype._create = function (container) { + this.dom = {}; - // determine the char width and height on the major axis - if (!this.dom.measureCharMajor) { - this.dom.measureCharMajor = document.createElement('DIV'); - this.dom.measureCharMajor.className = 'text major measure'; - this.dom.measureCharMajor.style.position = 'absolute'; + this.dom.root = document.createElement('div'); + this.dom.background = document.createElement('div'); + this.dom.backgroundVertical = document.createElement('div'); + this.dom.backgroundHorizontal = document.createElement('div'); + this.dom.centerContainer = document.createElement('div'); + this.dom.leftContainer = document.createElement('div'); + this.dom.rightContainer = document.createElement('div'); + this.dom.center = document.createElement('div'); + this.dom.left = document.createElement('div'); + this.dom.right = document.createElement('div'); + this.dom.top = document.createElement('div'); + this.dom.bottom = document.createElement('div'); + this.dom.shadowTop = document.createElement('div'); + this.dom.shadowBottom = document.createElement('div'); + this.dom.shadowTopLeft = document.createElement('div'); + this.dom.shadowBottomLeft = document.createElement('div'); + this.dom.shadowTopRight = document.createElement('div'); + this.dom.shadowBottomRight = document.createElement('div'); - this.dom.measureCharMajor.appendChild(document.createTextNode('0')); - this.dom.foreground.appendChild(this.dom.measureCharMajor); - } - this.props.majorCharHeight = this.dom.measureCharMajor.clientHeight; - this.props.majorCharWidth = this.dom.measureCharMajor.clientWidth; - }; + this.dom.root.className = 'vis timeline root'; + this.dom.background.className = 'vispanel background'; + this.dom.backgroundVertical.className = 'vispanel background vertical'; + this.dom.backgroundHorizontal.className = 'vispanel background horizontal'; + this.dom.centerContainer.className = 'vispanel center'; + this.dom.leftContainer.className = 'vispanel left'; + this.dom.rightContainer.className = 'vispanel right'; + this.dom.top.className = 'vispanel top'; + this.dom.bottom.className = 'vispanel bottom'; + this.dom.left.className = 'content'; + this.dom.center.className = 'content'; + this.dom.right.className = 'content'; + this.dom.shadowTop.className = 'shadow top'; + this.dom.shadowBottom.className = 'shadow bottom'; + this.dom.shadowTopLeft.className = 'shadow top'; + this.dom.shadowBottomLeft.className = 'shadow bottom'; + this.dom.shadowTopRight.className = 'shadow top'; + this.dom.shadowBottomRight.className = 'shadow bottom'; - /** - * Snap a date to a rounded value. - * The snap intervals are dependent on the current scale and step. - * @param {Date} date the date to be snapped. - * @return {Date} snappedDate - */ - TimeAxis.prototype.snap = function(date) { - return this.step.snap(date); - }; + this.dom.root.appendChild(this.dom.background); + this.dom.root.appendChild(this.dom.backgroundVertical); + this.dom.root.appendChild(this.dom.backgroundHorizontal); + this.dom.root.appendChild(this.dom.centerContainer); + this.dom.root.appendChild(this.dom.leftContainer); + this.dom.root.appendChild(this.dom.rightContainer); + this.dom.root.appendChild(this.dom.top); + this.dom.root.appendChild(this.dom.bottom); - module.exports = TimeAxis; + this.dom.centerContainer.appendChild(this.dom.center); + this.dom.leftContainer.appendChild(this.dom.left); + this.dom.rightContainer.appendChild(this.dom.right); + this.dom.centerContainer.appendChild(this.dom.shadowTop); + this.dom.centerContainer.appendChild(this.dom.shadowBottom); + this.dom.leftContainer.appendChild(this.dom.shadowTopLeft); + this.dom.leftContainer.appendChild(this.dom.shadowBottomLeft); + this.dom.rightContainer.appendChild(this.dom.shadowTopRight); + this.dom.rightContainer.appendChild(this.dom.shadowBottomRight); -/***/ }, -/* 31 */ -/***/ function(module, exports, __webpack_require__) { + this.on('rangechange', this.redraw.bind(this)); + this.on('touch', this._onTouch.bind(this)); + this.on('pinch', this._onPinch.bind(this)); + this.on('dragstart', this._onDragStart.bind(this)); + this.on('drag', this._onDrag.bind(this)); - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); + var me = this; + this.on('change', function (properties) { + if (properties && properties.queue == true) { + // redraw once on next tick + if (!me._redrawTimer) { + me._redrawTimer = setTimeout(function () { + me._redrawTimer = null; + me.redraw(); + }, 0) + } + } + else { + // redraw immediately + me.redraw(); + } + }); - /** - * @constructor Item - * @param {Object} data Object containing (optional) parameters type, - * start, end, content, group, className. - * @param {{toScreen: function, toTime: function}} conversion - * Conversion functions from time to screen and vice versa - * @param {Object} options Configuration options - * // TODO: describe available options - */ - function Item (data, conversion, options) { - this.id = null; - this.parent = null; - this.data = data; - this.dom = null; - this.conversion = conversion || {}; - this.options = options || {}; + // create event listeners for all interesting events, these events will be + // emitted via emitter + this.hammer = Hammer(this.dom.root, { + preventDefault: true + }); + this.listeners = {}; - this.selected = false; - this.displayed = false; - this.dirty = true; + var events = [ + 'touch', 'pinch', + 'tap', 'doubletap', 'hold', + 'dragstart', 'drag', 'dragend', + 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is needed for Firefox + ]; + events.forEach(function (event) { + var listener = function () { + var args = [event].concat(Array.prototype.slice.call(arguments, 0)); + if (me.isActive()) { + me.emit.apply(me, args); + } + }; + me.hammer.on(event, listener); + me.listeners[event] = listener; + }); - this.top = null; - this.left = null; - this.width = null; - this.height = null; - } + // size properties of each of the panels + this.props = { + root: {}, + background: {}, + centerContainer: {}, + leftContainer: {}, + rightContainer: {}, + center: {}, + left: {}, + right: {}, + top: {}, + bottom: {}, + border: {}, + scrollTop: 0, + scrollTopMin: 0 + }; + this.touch = {}; // store state information needed for touch events - Item.prototype.stack = true; + this.redrawCount = 0; - /** - * Select current item - */ - Item.prototype.select = function() { - this.selected = true; - this.dirty = true; - if (this.displayed) this.redraw(); + // attach the root panel to the provided container + if (!container) throw new Error('No container provided'); + container.appendChild(this.dom.root); }; /** - * Unselect current item + * Set options. Options will be passed to all components loaded in the Timeline. + * @param {Object} [options] + * {String} orientation + * Vertical orientation for the Timeline, + * can be 'bottom' (default) or 'top'. + * {String | Number} width + * Width for the timeline, a number in pixels or + * a css string like '1000px' or '75%'. '100%' by default. + * {String | Number} height + * Fixed height for the Timeline, a number in pixels or + * a css string like '400px' or '75%'. If undefined, + * The Timeline will automatically size such that + * its contents fit. + * {String | Number} minHeight + * Minimum height for the Timeline, a number in pixels or + * a css string like '400px' or '75%'. + * {String | Number} maxHeight + * Maximum height for the Timeline, a number in pixels or + * a css string like '400px' or '75%'. + * {Number | Date | String} start + * Start date for the visible window + * {Number | Date | String} end + * End date for the visible window */ - Item.prototype.unselect = function() { - this.selected = false; - this.dirty = true; - if (this.displayed) this.redraw(); - }; + Core.prototype.setOptions = function (options) { + if (options) { + // copy the known options + var fields = ['width', 'height', 'minHeight', 'maxHeight', 'autoResize', 'start', 'end', 'orientation', 'clickToUse', 'dataAttributes', 'hiddenDates']; + util.selectiveExtend(fields, this.options, options); - /** - * Set data for the item. Existing data will be updated. The id should not - * be changed. When the item is displayed, it will be redrawn immediately. - * @param {Object} data - */ - Item.prototype.setData = function(data) { - this.data = data; - this.dirty = true; - if (this.displayed) this.redraw(); - }; + if ('hiddenDates' in this.options) { + DateUtil.convertHiddenOptions(this.body, this.options.hiddenDates); + } - /** - * Set a parent for the item - * @param {ItemSet | Group} parent - */ - Item.prototype.setParent = function(parent) { - if (this.displayed) { - this.hide(); - this.parent = parent; - if (this.parent) { - this.show(); + if ('clickToUse' in options) { + if (options.clickToUse) { + if (!this.activator) { + this.activator = new Activator(this.dom.root); + } + } + else { + if (this.activator) { + this.activator.destroy(); + delete this.activator; + } + } } + + // enable/disable autoResize + this._initAutoResize(); } - else { - this.parent = parent; + + // propagate options to all components + this.components.forEach(function (component) { + component.setOptions(options); + }); + + // TODO: remove deprecation error one day (deprecated since version 0.8.0) + if (options && options.order) { + throw new Error('Option order is deprecated. There is no replacement for this feature.'); } - }; - /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible - */ - Item.prototype.isVisible = function(range) { - // Should be implemented by Item implementations - return false; + // redraw everything + this.redraw(); }; /** - * Show the Item in the DOM (when not already visible) - * @return {Boolean} changed + * Returns true when the Timeline is active. + * @returns {boolean} */ - Item.prototype.show = function() { - return false; + Core.prototype.isActive = function () { + return !this.activator || this.activator.active; }; /** - * Hide the Item from the DOM (when visible) - * @return {Boolean} changed + * Destroy the Core, clean up all DOM elements and event listeners. */ - Item.prototype.hide = function() { - return false; - }; + Core.prototype.destroy = function () { + // unbind datasets + this.clear(); - /** - * Repaint the item - */ - Item.prototype.redraw = function() { - // should be implemented by the item + // remove all event listeners + this.off(); + + // stop checking for changed size + this._stopAutoResize(); + + // remove from DOM + if (this.dom.root.parentNode) { + this.dom.root.parentNode.removeChild(this.dom.root); + } + this.dom = null; + + // remove Activator + if (this.activator) { + this.activator.destroy(); + delete this.activator; + } + + // cleanup hammer touch events + for (var event in this.listeners) { + if (this.listeners.hasOwnProperty(event)) { + delete this.listeners[event]; + } + } + this.listeners = null; + this.hammer = null; + + // give all components the opportunity to cleanup + this.components.forEach(function (component) { + component.destroy(); + }); + + this.body = null; }; + /** - * Reposition the Item horizontally + * Set a custom time bar + * @param {Date} time */ - Item.prototype.repositionX = function() { - // should be implemented by the item + Core.prototype.setCustomTime = function (time) { + if (!this.customTime) { + throw new Error('Cannot get custom time: Custom time bar is not enabled'); + } + + this.customTime.setCustomTime(time); }; /** - * Reposition the Item vertically + * Retrieve the current custom time. + * @return {Date} customTime */ - Item.prototype.repositionY = function() { - // should be implemented by the item + Core.prototype.getCustomTime = function() { + if (!this.customTime) { + throw new Error('Cannot get custom time: Custom time bar is not enabled'); + } + + return this.customTime.getCustomTime(); }; + /** - * Repaint a delete button on the top right of the item when the item is selected - * @param {HTMLElement} anchor - * @protected + * Get the id's of the currently visible items. + * @returns {Array} The ids of the visible items */ - Item.prototype._repaintDeleteButton = function (anchor) { - if (this.selected && this.options.editable.remove && !this.dom.deleteButton) { - // create and show button - var me = this; - - var deleteButton = document.createElement('div'); - deleteButton.className = 'delete'; - deleteButton.title = 'Delete this item'; + Core.prototype.getVisibleItems = function() { + return this.itemSet && this.itemSet.getVisibleItems() || []; + }; - Hammer(deleteButton, { - preventDefault: true - }).on('tap', function (event) { - me.parent.removeFromDataSet(me); - event.stopPropagation(); - }); - anchor.appendChild(deleteButton); - this.dom.deleteButton = deleteButton; - } - else if (!this.selected && this.dom.deleteButton) { - // remove button - if (this.dom.deleteButton.parentNode) { - this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton); - } - this.dom.deleteButton = null; - } - }; /** - * Set HTML contents for the item - * @param {Element} element HTML element to fill with the contents - * @private + * Clear the Core. By Default, items, groups and options are cleared. + * Example usage: + * + * timeline.clear(); // clear items, groups, and options + * timeline.clear({options: true}); // clear options only + * + * @param {Object} [what] Optionally specify what to clear. By default: + * {items: true, groups: true, options: true} */ - Item.prototype._updateContents = function (element) { - var content; - if (this.options.template) { - var itemData = this.parent.itemSet.itemsData.get(this.id); // get a clone of the data from the dataset - content = this.options.template(itemData); + Core.prototype.clear = function(what) { + // clear items + if (!what || what.items) { + this.setItems(null); } - else { - content = this.data.content; + + // clear groups + if (!what || what.groups) { + this.setGroups(null); } - if(content !== this.content) { - // only replace the content when changed - if (content instanceof Element) { - element.innerHTML = ''; - element.appendChild(content); - } - else if (content != undefined) { - element.innerHTML = content; - } - else { - if (!(this.data.type == 'background' && this.data.content === undefined)) { - throw new Error('Property "content" missing in item ' + this.id); - } - } + // clear options of timeline and of each of the components + if (!what || what.options) { + this.components.forEach(function (component) { + component.setOptions(component.defaultOptions); + }); - this.content = content; + this.setOptions(this.defaultOptions); // this will also do a redraw } }; /** - * Set HTML contents for the item - * @param {Element} element HTML element to fill with the contents - * @private + * Set Core window such that it fits all items + * @param {Object} [options] Available options: + * `animate: boolean | number` + * If true (default), the range is animated + * smoothly to the new window. + * If a number, the number is taken as duration + * for the animation. Default duration is 500 ms. */ - Item.prototype._updateTitle = function (element) { - if (this.data.title != null) { - element.title = this.data.title || ''; - } - else { - element.removeAttribute('title'); + Core.prototype.fit = function(options) { + var range = this._getDataRange(); + + // skip range set if there is no start and end date + if (range.start === null && range.end === null) { + return; } + + var animate = (options && options.animate !== undefined) ? options.animate : true; + this.range.setRange(range.start, range.end, animate); }; /** - * Process dataAttributes timeline option and set as data- attributes on dom.content - * @param {Element} element HTML element to which the attributes will be attached - * @private + * Calculate the data range of the items and applies a 5% window around it. + * @returns {{start: Date | null, end: Date | null}} + * @protected */ - Item.prototype._updateDataAttributes = function(element) { - if (this.options.dataAttributes && this.options.dataAttributes.length > 0) { - var attributes = []; + Core.prototype._getDataRange = function() { + // apply the data range as range + var dataRange = this.getItemRange(); - if (Array.isArray(this.options.dataAttributes)) { - attributes = this.options.dataAttributes; - } - else if (this.options.dataAttributes == 'all') { - attributes = Object.keys(this.data); - } - else { - return; + // add 5% space on both sides + var start = dataRange.min; + var end = dataRange.max; + if (start != null && end != null) { + var interval = (end.valueOf() - start.valueOf()); + if (interval <= 0) { + // prevent an empty interval + interval = 24 * 60 * 60 * 1000; // 1 day } + start = new Date(start.valueOf() - interval * 0.05); + end = new Date(end.valueOf() + interval * 0.05); + } - for (var i = 0; i < attributes.length; i++) { - var name = attributes[i]; - var value = this.data[name]; - - if (value != null) { - element.setAttribute('data-' + name, value); - } - else { - element.removeAttribute('data-' + name); - } - } + return { + start: start, + end: end } }; /** - * Update custom styles of the element - * @param element - * @private + * Set the visible window. Both parameters are optional, you can change only + * start or only end. Syntax: + * + * TimeLine.setWindow(start, end) + * TimeLine.setWindow(range) + * + * Where start and end can be a Date, number, or string, and range is an + * object with properties start and end. + * + * @param {Date | Number | String | Object} [start] Start date of visible window + * @param {Date | Number | String} [end] End date of visible window + * @param {Object} [options] Available options: + * `animate: boolean | number` + * If true (default), the range is animated + * smoothly to the new window. + * If a number, the number is taken as duration + * for the animation. Default duration is 500 ms. */ - Item.prototype._updateStyle = function(element) { - // remove old styles - if (this.style) { - util.removeCssText(element, this.style); - this.style = null; + Core.prototype.setWindow = function(start, end, options) { + var animate = (options && options.animate !== undefined) ? options.animate : true; + if (arguments.length == 1) { + var range = arguments[0]; + this.range.setRange(range.start, range.end, animate); } - - // append new styles - if (this.data.style) { - util.addCssText(element, this.data.style); - this.style = this.data.style; + else { + this.range.setRange(start, end, animate); } }; - module.exports = Item; - - -/***/ }, -/* 32 */ -/***/ function(module, exports, __webpack_require__) { - - var Hammer = __webpack_require__(45); - var Item = __webpack_require__(31); - var BackgroundGroup = __webpack_require__(26); - var RangeItem = __webpack_require__(35); - /** - * @constructor BackgroundItem - * @extends Item - * @param {Object} data Object containing parameters start, end - * content, className. - * @param {{toScreen: function, toTime: function}} conversion - * Conversion functions from time to screen and vice versa - * @param {Object} [options] Configuration options - * // TODO: describe options + * Move the window such that given time is centered on screen. + * @param {Date | Number | String} time + * @param {Object} [options] Available options: + * `animate: boolean | number` + * If true (default), the range is animated + * smoothly to the new window. + * If a number, the number is taken as duration + * for the animation. Default duration is 500 ms. */ - // TODO: implement support for the BackgroundItem just having a start, then being displayed as a sort of an annotation - function BackgroundItem (data, conversion, options) { - this.props = { - content: { - width: 0 - } - }; - this.overflow = false; // if contents can overflow (css styling), this flag is set to true - - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data.id); - } - if (data.end == undefined) { - throw new Error('Property "end" missing in item ' + data.id); - } - } - - Item.call(this, data, conversion, options); - - this.emptyContent = false; - } + Core.prototype.moveTo = function(time, options) { + var interval = this.range.end - this.range.start; + var t = util.convert(time, 'Date').valueOf(); - BackgroundItem.prototype = new Item (null, null, null); + var start = t - interval / 2; + var end = t + interval / 2; + var animate = (options && options.animate !== undefined) ? options.animate : true; - BackgroundItem.prototype.baseClassName = 'item background'; - BackgroundItem.prototype.stack = false; + this.range.setRange(start, end, animate); + }; /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible + * Get the visible window + * @return {{start: Date, end: Date}} Visible range */ - BackgroundItem.prototype.isVisible = function(range) { - // determine visibility - return (this.data.start < range.end) && (this.data.end > range.start); + Core.prototype.getWindow = function() { + var range = this.range.getRange(); + return { + start: new Date(range.start), + end: new Date(range.end) + }; }; /** - * Repaint the item + * Force a redraw of the Core. Can be useful to manually redraw when + * option autoResize=false */ - BackgroundItem.prototype.redraw = function() { + Core.prototype.redraw = function() { + var resized = false; + var options = this.options; + var props = this.props; var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; - - // background box - dom.box = document.createElement('div'); - // className is updated in redraw() - // contents box - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); + if (!dom) return; // when destroyed - // Note: we do NOT attach this item as attribute to the DOM, - // such that background items cannot be selected - //dom.box['timeline-item'] = this; + DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); - this.dirty = true; + // update class names + if (options.orientation == 'top') { + util.addClassName(dom.root, 'top'); + util.removeClassName(dom.root, 'bottom'); + } + else { + util.removeClassName(dom.root, 'top'); + util.addClassName(dom.root, 'bottom'); } - // append DOM to parent DOM - if (!this.parent) { - throw new Error('Cannot redraw item: no parent attached'); + // update root width and height options + dom.root.style.maxHeight = util.option.asSize(options.maxHeight, ''); + dom.root.style.minHeight = util.option.asSize(options.minHeight, ''); + dom.root.style.width = util.option.asSize(options.width, ''); + + // calculate border widths + props.border.left = (dom.centerContainer.offsetWidth - dom.centerContainer.clientWidth) / 2; + props.border.right = props.border.left; + props.border.top = (dom.centerContainer.offsetHeight - dom.centerContainer.clientHeight) / 2; + props.border.bottom = props.border.top; + var borderRootHeight= dom.root.offsetHeight - dom.root.clientHeight; + var borderRootWidth = dom.root.offsetWidth - dom.root.clientWidth; + + // workaround for a bug in IE: the clientWidth of an element with + // a height:0px and overflow:hidden is not calculated and always has value 0 + if (dom.centerContainer.clientHeight === 0) { + props.border.left = props.border.top; + props.border.right = props.border.left; } - if (!dom.box.parentNode) { - var background = this.parent.dom.background; - if (!background) { - throw new Error('Cannot redraw item: parent has no background container element'); - } - background.appendChild(dom.box); + if (dom.root.clientHeight === 0) { + borderRootWidth = borderRootHeight; } - this.displayed = true; - - // Update DOM when item is marked dirty. An item is marked dirty when: - // - the item is not yet rendered - // - the item's data is changed - // - the item is selected/deselected - if (this.dirty) { - this._updateContents(this.dom.content); - this._updateTitle(this.dom.content); - this._updateDataAttributes(this.dom.content); - this._updateStyle(this.dom.box); - // update class - var className = (this.data.className ? (' ' + this.data.className) : '') + - (this.selected ? ' selected' : ''); - dom.box.className = this.baseClassName + className; + // calculate the heights. If any of the side panels is empty, we set the height to + // minus the border width, such that the border will be invisible + props.center.height = dom.center.offsetHeight; + props.left.height = dom.left.offsetHeight; + props.right.height = dom.right.offsetHeight; + props.top.height = dom.top.clientHeight || -props.border.top; + props.bottom.height = dom.bottom.clientHeight || -props.border.bottom; - // determine from css whether this box has overflow - this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; + // TODO: compensate borders when any of the panels is empty. - // recalculate size - this.props.content.width = this.dom.content.offsetWidth; - this.height = 0; // set height zero, so this item will be ignored when stacking items + // apply auto height + // TODO: only calculate autoHeight when needed (else we cause an extra reflow/repaint of the DOM) + var contentHeight = Math.max(props.left.height, props.center.height, props.right.height); + var autoHeight = props.top.height + contentHeight + props.bottom.height + + borderRootHeight + props.border.top + props.border.bottom; + dom.root.style.height = util.option.asSize(options.height, autoHeight + 'px'); - this.dirty = false; - } - }; + // calculate heights of the content panels + props.root.height = dom.root.offsetHeight; + props.background.height = props.root.height - borderRootHeight; + var containerHeight = props.root.height - props.top.height - props.bottom.height - + borderRootHeight; + props.centerContainer.height = containerHeight; + props.leftContainer.height = containerHeight; + props.rightContainer.height = props.leftContainer.height; - /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. - */ - BackgroundItem.prototype.show = RangeItem.prototype.show; + // calculate the widths of the panels + props.root.width = dom.root.offsetWidth; + props.background.width = props.root.width - borderRootWidth; + props.left.width = dom.leftContainer.clientWidth || -props.border.left; + props.leftContainer.width = props.left.width; + props.right.width = dom.rightContainer.clientWidth || -props.border.right; + props.rightContainer.width = props.right.width; + var centerWidth = props.root.width - props.left.width - props.right.width - borderRootWidth; + props.center.width = centerWidth; + props.centerContainer.width = centerWidth; + props.top.width = centerWidth; + props.bottom.width = centerWidth; - /** - * Hide the item from the DOM (when visible) - * @return {Boolean} changed - */ - BackgroundItem.prototype.hide = RangeItem.prototype.hide; + // resize the panels + dom.background.style.height = props.background.height + 'px'; + dom.backgroundVertical.style.height = props.background.height + 'px'; + dom.backgroundHorizontal.style.height = props.centerContainer.height + 'px'; + dom.centerContainer.style.height = props.centerContainer.height + 'px'; + dom.leftContainer.style.height = props.leftContainer.height + 'px'; + dom.rightContainer.style.height = props.rightContainer.height + 'px'; - /** - * Reposition the item horizontally - * @Override - */ - BackgroundItem.prototype.repositionX = RangeItem.prototype.repositionX; + dom.background.style.width = props.background.width + 'px'; + dom.backgroundVertical.style.width = props.centerContainer.width + 'px'; + dom.backgroundHorizontal.style.width = props.background.width + 'px'; + dom.centerContainer.style.width = props.center.width + 'px'; + dom.top.style.width = props.top.width + 'px'; + dom.bottom.style.width = props.bottom.width + 'px'; - /** - * Reposition the item vertically - * @Override - */ - BackgroundItem.prototype.repositionY = function(margin) { - var onTop = this.options.orientation === 'top'; - this.dom.content.style.top = onTop ? '' : '0'; - this.dom.content.style.bottom = onTop ? '0' : ''; - var height; + // reposition the panels + dom.background.style.left = '0'; + dom.background.style.top = '0'; + dom.backgroundVertical.style.left = (props.left.width + props.border.left) + 'px'; + dom.backgroundVertical.style.top = '0'; + dom.backgroundHorizontal.style.left = '0'; + dom.backgroundHorizontal.style.top = props.top.height + 'px'; + dom.centerContainer.style.left = props.left.width + 'px'; + dom.centerContainer.style.top = props.top.height + 'px'; + dom.leftContainer.style.left = '0'; + dom.leftContainer.style.top = props.top.height + 'px'; + dom.rightContainer.style.left = (props.left.width + props.center.width) + 'px'; + dom.rightContainer.style.top = props.top.height + 'px'; + dom.top.style.left = props.left.width + 'px'; + dom.top.style.top = '0'; + dom.bottom.style.left = props.left.width + 'px'; + dom.bottom.style.top = (props.top.height + props.centerContainer.height) + 'px'; - // special positioning for subgroups - if (this.data.subgroup !== undefined) { - var itemSubgroup = this.data.subgroup; - var subgroups = this.parent.subgroups; - var subgroupIndex = subgroups[itemSubgroup].index; - // if the orientation is top, we need to take the difference in height into account. - if (onTop == true) { - // the first subgroup will have to account for the distance from the top to the first item. - height = this.parent.subgroups[itemSubgroup].height + margin.item.vertical; - height += subgroupIndex == 0 ? margin.axis - 0.5*margin.item.vertical : 0; - var newTop = this.parent.top; - for (var subgroup in subgroups) { - if (subgroups.hasOwnProperty(subgroup)) { - if (subgroups[subgroup].visible == true && subgroups[subgroup].index < subgroupIndex) { - newTop += subgroups[subgroup].height + margin.item.vertical; - } - } - } + // update the scrollTop, feasible range for the offset can be changed + // when the height of the Core or of the contents of the center changed + this._updateScrollTop(); - // the others will have to be offset downwards with this same distance. - newTop += subgroupIndex != 0 ? margin.axis - 0.5 * margin.item.vertical : 0; - this.dom.box.style.top = newTop + 'px'; - this.dom.box.style.bottom = ''; - } - // and when the orientation is bottom: - else { - var newTop = this.parent.top; - for (var subgroup in subgroups) { - if (subgroups.hasOwnProperty(subgroup)) { - if (subgroups[subgroup].visible == true && subgroups[subgroup].index > subgroupIndex) { - newTop += subgroups[subgroup].height + margin.item.vertical; - } - } - } - height = this.parent.subgroups[itemSubgroup].height + margin.item.vertical; - this.dom.box.style.top = newTop + 'px'; - this.dom.box.style.bottom = ''; - } + // reposition the scrollable contents + var offset = this.props.scrollTop; + if (options.orientation == 'bottom') { + offset += Math.max(this.props.centerContainer.height - this.props.center.height - + this.props.border.top - this.props.border.bottom, 0); } - // and in the case of no subgroups: - else { - // we want backgrounds with groups to only show in groups. - if (this.parent instanceof BackgroundGroup) { - // if the item is not in a group: - height = Math.max(this.parent.height, - this.parent.itemSet.body.domProps.center.height, - this.parent.itemSet.body.domProps.centerContainer.height); - this.dom.box.style.top = onTop ? '0' : ''; - this.dom.box.style.bottom = onTop ? '' : '0'; + dom.center.style.left = '0'; + dom.center.style.top = offset + 'px'; + dom.left.style.left = '0'; + dom.left.style.top = offset + 'px'; + dom.right.style.left = '0'; + dom.right.style.top = offset + 'px'; + + // show shadows when vertical scrolling is available + var visibilityTop = this.props.scrollTop == 0 ? 'hidden' : ''; + var visibilityBottom = this.props.scrollTop == this.props.scrollTopMin ? 'hidden' : ''; + dom.shadowTop.style.visibility = visibilityTop; + dom.shadowBottom.style.visibility = visibilityBottom; + dom.shadowTopLeft.style.visibility = visibilityTop; + dom.shadowBottomLeft.style.visibility = visibilityBottom; + dom.shadowTopRight.style.visibility = visibilityTop; + dom.shadowBottomRight.style.visibility = visibilityBottom; + + // redraw all components + this.components.forEach(function (component) { + resized = component.redraw() || resized; + }); + if (resized) { + // keep repainting until all sizes are settled + var MAX_REDRAWS = 3; // maximum number of consecutive redraws + if (this.redrawCount < MAX_REDRAWS) { + this.redrawCount++; + this.redraw(); } else { - height = this.parent.height; - // same alignment for items when orientation is top or bottom - this.dom.box.style.top = this.parent.top + 'px'; - this.dom.box.style.bottom = ''; + console.log('WARNING: infinite loop in redraw?'); } + this.redrawCount = 0; } - this.dom.box.style.height = height + 'px'; - }; - - module.exports = BackgroundItem; - -/***/ }, -/* 33 */ -/***/ function(module, exports, __webpack_require__) { + this.emit("finishedRedraw"); + }; - var Item = __webpack_require__(31); - var util = __webpack_require__(1); + // TODO: deprecated since version 1.1.0, remove some day + Core.prototype.repaint = function () { + throw new Error('Function repaint is deprecated. Use redraw instead.'); + }; /** - * @constructor BoxItem - * @extends Item - * @param {Object} data Object containing parameters start - * content, className. - * @param {{toScreen: function, toTime: function}} conversion - * Conversion functions from time to screen and vice versa - * @param {Object} [options] Configuration options - * // TODO: describe available options + * Set a current time. This can be used for example to ensure that a client's + * time is synchronized with a shared server time. + * Only applicable when option `showCurrentTime` is true. + * @param {Date | String | Number} time A Date, unix timestamp, or + * ISO date string. */ - function BoxItem (data, conversion, options) { - this.props = { - dot: { - width: 0, - height: 0 - }, - line: { - width: 0, - height: 0 - } - }; - - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data); - } + Core.prototype.setCurrentTime = function(time) { + if (!this.currentTime) { + throw new Error('Option showCurrentTime must be true'); } - Item.call(this, data, conversion, options); - } - - BoxItem.prototype = new Item (null, null, null); - - /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible - */ - BoxItem.prototype.isVisible = function(range) { - // determine visibility - // TODO: account for the real width of the item. Right now we just add 1/4 to the window - var interval = (range.end - range.start) / 4; - return (this.data.start > range.start - interval) && (this.data.start < range.end + interval); + this.currentTime.setCurrentTime(time); }; /** - * Repaint the item + * Get the current time. + * Only applicable when option `showCurrentTime` is true. + * @return {Date} Returns the current time. */ - BoxItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; - - // create main box - dom.box = document.createElement('DIV'); - - // contents box (inside the background box). used for making margins - dom.content = document.createElement('DIV'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); - - // line to axis - dom.line = document.createElement('DIV'); - dom.line.className = 'line'; - - // dot on axis - dom.dot = document.createElement('DIV'); - dom.dot.className = 'dot'; - - // attach this item as attribute - dom.box['timeline-item'] = this; - - this.dirty = true; - } - - // append DOM to parent DOM - if (!this.parent) { - throw new Error('Cannot redraw item: no parent attached'); - } - if (!dom.box.parentNode) { - var foreground = this.parent.dom.foreground; - if (!foreground) throw new Error('Cannot redraw item: parent has no foreground container element'); - foreground.appendChild(dom.box); - } - if (!dom.line.parentNode) { - var background = this.parent.dom.background; - if (!background) throw new Error('Cannot redraw item: parent has no background container element'); - background.appendChild(dom.line); - } - if (!dom.dot.parentNode) { - var axis = this.parent.dom.axis; - if (!background) throw new Error('Cannot redraw item: parent has no axis container element'); - axis.appendChild(dom.dot); + Core.prototype.getCurrentTime = function() { + if (!this.currentTime) { + throw new Error('Option showCurrentTime must be true'); } - this.displayed = true; - - // Update DOM when item is marked dirty. An item is marked dirty when: - // - the item is not yet rendered - // - the item's data is changed - // - the item is selected/deselected - if (this.dirty) { - this._updateContents(this.dom.content); - this._updateTitle(this.dom.box); - this._updateDataAttributes(this.dom.box); - this._updateStyle(this.dom.box); - - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - dom.box.className = 'item box' + className; - dom.line.className = 'item line' + className; - dom.dot.className = 'item dot' + className; - - // recalculate size - this.props.dot.height = dom.dot.offsetHeight; - this.props.dot.width = dom.dot.offsetWidth; - this.props.line.width = dom.line.offsetWidth; - this.width = dom.box.offsetWidth; - this.height = dom.box.offsetHeight; - this.dirty = false; - } + return this.currentTime.getCurrentTime(); + }; - this._repaintDeleteButton(dom.box); + /** + * Convert a position on screen (pixels) to a datetime + * @param {int} x Position on the screen in pixels + * @return {Date} time The datetime the corresponds with given position x + * @private + */ + // TODO: move this function to Range + Core.prototype._toTime = function(x) { + return DateUtil.toTime(this, x, this.props.center.width); }; /** - * Show the item in the DOM (when not already displayed). The items DOM will - * be created when needed. + * Convert a position on the global screen (pixels) to a datetime + * @param {int} x Position on the screen in pixels + * @return {Date} time The datetime the corresponds with given position x + * @private */ - BoxItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); - } + // TODO: move this function to Range + Core.prototype._toGlobalTime = function(x) { + return DateUtil.toTime(this, x, this.props.root.width); + //var conversion = this.range.conversion(this.props.root.width); + //return new Date(x / conversion.scale + conversion.offset); }; /** - * Hide the item from the DOM (when visible) + * Convert a datetime (Date object) into a position on the screen + * @param {Date} time A date + * @return {int} x The position on the screen in pixels which corresponds + * with the given date. + * @private */ - BoxItem.prototype.hide = function() { - if (this.displayed) { - var dom = this.dom; + // TODO: move this function to Range + Core.prototype._toScreen = function(time) { + return DateUtil.toScreen(this, time, this.props.center.width); + }; - if (dom.box.parentNode) dom.box.parentNode.removeChild(dom.box); - if (dom.line.parentNode) dom.line.parentNode.removeChild(dom.line); - if (dom.dot.parentNode) dom.dot.parentNode.removeChild(dom.dot); - this.top = null; - this.left = null; - this.displayed = false; - } + /** + * Convert a datetime (Date object) into a position on the root + * This is used to get the pixel density estimate for the screen, not the center panel + * @param {Date} time A date + * @return {int} x The position on root in pixels which corresponds + * with the given date. + * @private + */ + // TODO: move this function to Range + Core.prototype._toGlobalScreen = function(time) { + return DateUtil.toScreen(this, time, this.props.root.width); + //var conversion = this.range.conversion(this.props.root.width); + //return (time.valueOf() - conversion.offset) * conversion.scale; }; + /** - * Reposition the item horizontally - * @Override + * Initialize watching when option autoResize is true + * @private */ - BoxItem.prototype.repositionX = function() { - var start = this.conversion.toScreen(this.data.start); - var align = this.options.align; - var left; - var box = this.dom.box; - var line = this.dom.line; - var dot = this.dom.dot; - - // calculate left position of the box - if (align == 'right') { - this.left = start - this.width; - } - else if (align == 'left') { - this.left = start; + Core.prototype._initAutoResize = function () { + if (this.options.autoResize == true) { + this._startAutoResize(); } else { - // default or 'center' - this.left = start - this.width / 2; + this._stopAutoResize(); } - - // reposition box - box.style.left = this.left + 'px'; - - // reposition line - line.style.left = (start - this.props.line.width / 2) + 'px'; - - // reposition dot - dot.style.left = (start - this.props.dot.width / 2) + 'px'; }; /** - * Reposition the item vertically - * @Override + * Watch for changes in the size of the container. On resize, the Panel will + * automatically redraw itself. + * @private */ - BoxItem.prototype.repositionY = function() { - var orientation = this.options.orientation; - var box = this.dom.box; - var line = this.dom.line; - var dot = this.dom.dot; - - if (orientation == 'top') { - box.style.top = (this.top || 0) + 'px'; - - line.style.top = '0'; - line.style.height = (this.parent.top + this.top + 1) + 'px'; - line.style.bottom = ''; - } - else { // orientation 'bottom' - var itemSetHeight = this.parent.itemSet.props.height; // TODO: this is nasty - var lineHeight = itemSetHeight - this.parent.top - this.parent.height + this.top; + Core.prototype._startAutoResize = function () { + var me = this; - box.style.top = (this.parent.height - this.top - this.height || 0) + 'px'; - line.style.top = (itemSetHeight - lineHeight) + 'px'; - line.style.bottom = '0'; - } + this._stopAutoResize(); - dot.style.top = (-this.props.dot.height / 2) + 'px'; - }; + this._onResize = function() { + if (me.options.autoResize != true) { + // stop watching when the option autoResize is changed to false + me._stopAutoResize(); + return; + } - module.exports = BoxItem; + if (me.dom.root) { + // check whether the frame is resized + // Note: we compare offsetWidth here, not clientWidth. For some reason, + // IE does not restore the clientWidth from 0 to the actual width after + // changing the timeline's container display style from none to visible + if ((me.dom.root.offsetWidth != me.props.lastWidth) || + (me.dom.root.offsetHeight != me.props.lastHeight)) { + me.props.lastWidth = me.dom.root.offsetWidth; + me.props.lastHeight = me.dom.root.offsetHeight; + me.emit('change'); + } + } + }; -/***/ }, -/* 34 */ -/***/ function(module, exports, __webpack_require__) { + // add event listener to window resize + util.addEventListener(window, 'resize', this._onResize); - var Item = __webpack_require__(31); + this.watchTimer = setInterval(this._onResize, 1000); + }; /** - * @constructor PointItem - * @extends Item - * @param {Object} data Object containing parameters start - * content, className. - * @param {{toScreen: function, toTime: function}} conversion - * Conversion functions from time to screen and vice versa - * @param {Object} [options] Configuration options - * // TODO: describe available options + * Stop watching for a resize of the frame. + * @private */ - function PointItem (data, conversion, options) { - this.props = { - dot: { - top: 0, - width: 0, - height: 0 - }, - content: { - height: 0, - marginLeft: 0 - } - }; - - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data); - } + Core.prototype._stopAutoResize = function () { + if (this.watchTimer) { + clearInterval(this.watchTimer); + this.watchTimer = undefined; } - Item.call(this, data, conversion, options); - } - - PointItem.prototype = new Item (null, null, null); + // remove event listener on window.resize + util.removeEventListener(window, 'resize', this._onResize); + this._onResize = null; + }; /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible + * Start moving the timeline vertically + * @param {Event} event + * @private */ - PointItem.prototype.isVisible = function(range) { - // determine visibility - // TODO: account for the real width of the item. Right now we just add 1/4 to the window - var interval = (range.end - range.start) / 4; - return (this.data.start > range.start - interval) && (this.data.start < range.end + interval); + Core.prototype._onTouch = function (event) { + this.touch.allowDragging = true; }; /** - * Repaint the item + * Start moving the timeline vertically + * @param {Event} event + * @private */ - PointItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; - - // background box - dom.point = document.createElement('div'); - // className is updated in redraw() - - // contents box, right from the dot - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.point.appendChild(dom.content); - - // dot at start - dom.dot = document.createElement('div'); - dom.point.appendChild(dom.dot); - - // attach this item as attribute - dom.point['timeline-item'] = this; - - this.dirty = true; - } - - // append DOM to parent DOM - if (!this.parent) { - throw new Error('Cannot redraw item: no parent attached'); - } - if (!dom.point.parentNode) { - var foreground = this.parent.dom.foreground; - if (!foreground) { - throw new Error('Cannot redraw item: parent has no foreground container element'); - } - foreground.appendChild(dom.point); - } - this.displayed = true; - - // Update DOM when item is marked dirty. An item is marked dirty when: - // - the item is not yet rendered - // - the item's data is changed - // - the item is selected/deselected - if (this.dirty) { - this._updateContents(this.dom.content); - this._updateTitle(this.dom.point); - this._updateDataAttributes(this.dom.point); - this._updateStyle(this.dom.point); - - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - dom.point.className = 'item point' + className; - dom.dot.className = 'item dot' + className; - - // recalculate size - this.width = dom.point.offsetWidth; - this.height = dom.point.offsetHeight; - this.props.dot.width = dom.dot.offsetWidth; - this.props.dot.height = dom.dot.offsetHeight; - this.props.content.height = dom.content.offsetHeight; - - // resize contents - dom.content.style.marginLeft = 2 * this.props.dot.width + 'px'; - //dom.content.style.marginRight = ... + 'px'; // TODO: margin right - - dom.dot.style.top = ((this.height - this.props.dot.height) / 2) + 'px'; - dom.dot.style.left = (this.props.dot.width / 2) + 'px'; - - this.dirty = false; - } - - this._repaintDeleteButton(dom.point); + Core.prototype._onPinch = function (event) { + this.touch.allowDragging = false; }; /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. + * Start moving the timeline vertically + * @param {Event} event + * @private */ - PointItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); - } + Core.prototype._onDragStart = function (event) { + this.touch.initialScrollTop = this.props.scrollTop; }; /** - * Hide the item from the DOM (when visible) + * Move the timeline vertically + * @param {Event} event + * @private */ - PointItem.prototype.hide = function() { - if (this.displayed) { - if (this.dom.point.parentNode) { - this.dom.point.parentNode.removeChild(this.dom.point); - } + Core.prototype._onDrag = function (event) { + // refuse to drag when we where pinching to prevent the timeline make a jump + // when releasing the fingers in opposite order from the touch screen + if (!this.touch.allowDragging) return; - this.top = null; - this.left = null; + var delta = event.gesture.deltaY; - this.displayed = false; + var oldScrollTop = this._getScrollTop(); + var newScrollTop = this._setScrollTop(this.touch.initialScrollTop + delta); + + + if (newScrollTop != oldScrollTop) { + this.redraw(); // TODO: this causes two redraws when dragging, the other is triggered by rangechange already + this.emit("verticalDrag"); } }; /** - * Reposition the item horizontally - * @Override + * Apply a scrollTop + * @param {Number} scrollTop + * @returns {Number} scrollTop Returns the applied scrollTop + * @private */ - PointItem.prototype.repositionX = function() { - var start = this.conversion.toScreen(this.data.start); + Core.prototype._setScrollTop = function (scrollTop) { + this.props.scrollTop = scrollTop; + this._updateScrollTop(); + return this.props.scrollTop; + }; + + /** + * Update the current scrollTop when the height of the containers has been changed + * @returns {Number} scrollTop Returns the applied scrollTop + * @private + */ + Core.prototype._updateScrollTop = function () { + // recalculate the scrollTopMin + var scrollTopMin = Math.min(this.props.centerContainer.height - this.props.center.height, 0); // is negative or zero + if (scrollTopMin != this.props.scrollTopMin) { + // in case of bottom orientation, change the scrollTop such that the contents + // do not move relative to the time axis at the bottom + if (this.options.orientation == 'bottom') { + this.props.scrollTop += (scrollTopMin - this.props.scrollTopMin); + } + this.props.scrollTopMin = scrollTopMin; + } - this.left = start - this.props.dot.width; + // limit the scrollTop to the feasible scroll range + if (this.props.scrollTop > 0) this.props.scrollTop = 0; + if (this.props.scrollTop < scrollTopMin) this.props.scrollTop = scrollTopMin; - // reposition point - this.dom.point.style.left = this.left + 'px'; + return this.props.scrollTop; }; /** - * Reposition the item vertically - * @Override + * Get the current scrollTop + * @returns {number} scrollTop + * @private */ - PointItem.prototype.repositionY = function() { - var orientation = this.options.orientation, - point = this.dom.point; - - if (orientation == 'top') { - point.style.top = this.top + 'px'; - } - else { - point.style.top = (this.parent.height - this.top - this.height) + 'px'; - } + Core.prototype._getScrollTop = function () { + return this.props.scrollTop; }; - module.exports = PointItem; + module.exports = Core; /***/ }, -/* 35 */ +/* 26 */ /***/ function(module, exports, __webpack_require__) { - var Hammer = __webpack_require__(45); - var Item = __webpack_require__(31); + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var Component = __webpack_require__(23); + var Group = __webpack_require__(27); + var BackgroundGroup = __webpack_require__(31); + var BoxItem = __webpack_require__(32); + var PointItem = __webpack_require__(33); + var RangeItem = __webpack_require__(29); + var BackgroundItem = __webpack_require__(34); + + + var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items + var BACKGROUND = '__background__'; // reserved group id for background items without group /** - * @constructor RangeItem - * @extends Item - * @param {Object} data Object containing parameters start, end - * content, className. - * @param {{toScreen: function, toTime: function}} conversion - * Conversion functions from time to screen and vice versa - * @param {Object} [options] Configuration options - * // TODO: describe options + * An ItemSet holds a set of items and ranges which can be displayed in a + * range. The width is determined by the parent of the ItemSet, and the height + * is determined by the size of the items. + * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} body + * @param {Object} [options] See ItemSet.setOptions for the available options. + * @constructor ItemSet + * @extends Component */ - function RangeItem (data, conversion, options) { - this.props = { - content: { - width: 0 - } + function ItemSet(body, options) { + this.body = body; + + this.defaultOptions = { + type: null, // 'box', 'point', 'range', 'background' + orientation: 'bottom', // 'top' or 'bottom' + align: 'auto', // alignment of box items + stack: true, + groupOrder: null, + + selectable: true, + editable: { + updateTime: false, + updateGroup: false, + add: false, + remove: false + }, + + onAdd: function (item, callback) { + callback(item); + }, + onUpdate: function (item, callback) { + callback(item); + }, + onMove: function (item, callback) { + callback(item); + }, + onRemove: function (item, callback) { + callback(item); + }, + onMoving: function (item, callback) { + callback(item); + }, + + margin: { + item: { + horizontal: 10, + vertical: 10 + }, + axis: 20 + }, + padding: 5 }; - this.overflow = false; // if contents can overflow (css styling), this flag is set to true - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data.id); + // options is shared by this ItemSet and all its items + this.options = util.extend({}, this.defaultOptions); + + // options for getting items from the DataSet with the correct type + this.itemOptions = { + type: {start: 'Date', end: 'Date'} + }; + + this.conversion = { + toScreen: body.util.toScreen, + toTime: body.util.toTime + }; + this.dom = {}; + this.props = {}; + this.hammer = null; + + var me = this; + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + + // listeners for the DataSet of the items + this.itemListeners = { + 'add': function (event, params, senderId) { + me._onAdd(params.items); + }, + 'update': function (event, params, senderId) { + me._onUpdate(params.items); + }, + 'remove': function (event, params, senderId) { + me._onRemove(params.items); } - if (data.end == undefined) { - throw new Error('Property "end" missing in item ' + data.id); + }; + + // listeners for the DataSet of the groups + this.groupListeners = { + 'add': function (event, params, senderId) { + me._onAddGroups(params.items); + }, + 'update': function (event, params, senderId) { + me._onUpdateGroups(params.items); + }, + 'remove': function (event, params, senderId) { + me._onRemoveGroups(params.items); } - } + }; - Item.call(this, data, conversion, options); - } + this.items = {}; // object with an Item for every data item + this.groups = {}; // Group object for every group + this.groupIds = []; - RangeItem.prototype = new Item (null, null, null); + this.selection = []; // list with the ids of all selected nodes + this.stackDirty = true; // if true, all items will be restacked on next redraw - RangeItem.prototype.baseClassName = 'item range'; + this.touchParams = {}; // stores properties while dragging + // create the HTML DOM - /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible - */ - RangeItem.prototype.isVisible = function(range) { - // determine visibility - return (this.data.start < range.end) && (this.data.end > range.start); + this._create(); + + this.setOptions(options); + } + + ItemSet.prototype = new Component(); + + // available item types will be registered here + ItemSet.types = { + background: BackgroundItem, + box: BoxItem, + range: RangeItem, + point: PointItem }; /** - * Repaint the item + * Create the HTML DOM for the ItemSet */ - RangeItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; + ItemSet.prototype._create = function(){ + var frame = document.createElement('div'); + frame.className = 'itemset'; + frame['timeline-itemset'] = this; + this.dom.frame = frame; - // background box - dom.box = document.createElement('div'); - // className is updated in redraw() + // create background panel + var background = document.createElement('div'); + background.className = 'background'; + frame.appendChild(background); + this.dom.background = background; - // contents box - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); + // create foreground panel + var foreground = document.createElement('div'); + foreground.className = 'foreground'; + frame.appendChild(foreground); + this.dom.foreground = foreground; - // attach this item as attribute - dom.box['timeline-item'] = this; + // create axis panel + var axis = document.createElement('div'); + axis.className = 'axis'; + this.dom.axis = axis; - this.dirty = true; - } + // create labelset + var labelSet = document.createElement('div'); + labelSet.className = 'labelset'; + this.dom.labelSet = labelSet; - // append DOM to parent DOM - if (!this.parent) { - throw new Error('Cannot redraw item: no parent attached'); - } - if (!dom.box.parentNode) { - var foreground = this.parent.dom.foreground; - if (!foreground) { - throw new Error('Cannot redraw item: parent has no foreground container element'); - } - foreground.appendChild(dom.box); - } - this.displayed = true; + // create ungrouped Group + this._updateUngrouped(); - // Update DOM when item is marked dirty. An item is marked dirty when: - // - the item is not yet rendered - // - the item's data is changed - // - the item is selected/deselected - if (this.dirty) { - this._updateContents(this.dom.content); - this._updateTitle(this.dom.box); - this._updateDataAttributes(this.dom.box); - this._updateStyle(this.dom.box); + // create background Group + var backgroundGroup = new BackgroundGroup(BACKGROUND, null, this); + backgroundGroup.show(); + this.groups[BACKGROUND] = backgroundGroup; - // update class - var className = (this.data.className ? (' ' + this.data.className) : '') + - (this.selected ? ' selected' : ''); - dom.box.className = this.baseClassName + className; + // attach event listeners + // Note: we bind to the centerContainer for the case where the height + // of the center container is larger than of the ItemSet, so we + // can click in the empty area to create a new item or deselect an item. + this.hammer = Hammer(this.body.dom.centerContainer, { + preventDefault: true + }); - // determine from css whether this box has overflow - this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; + // drag items when selected + this.hammer.on('touch', this._onTouch.bind(this)); + this.hammer.on('dragstart', this._onDragStart.bind(this)); + this.hammer.on('drag', this._onDrag.bind(this)); + this.hammer.on('dragend', this._onDragEnd.bind(this)); - // recalculate size - // turn off max-width to be able to calculate the real width - // this causes an extra browser repaint/reflow, but so be it - this.dom.content.style.maxWidth = 'none'; - this.props.content.width = this.dom.content.offsetWidth; - this.height = this.dom.box.offsetHeight; - this.dom.content.style.maxWidth = ''; + // single select (or unselect) when tapping an item + this.hammer.on('tap', this._onSelectItem.bind(this)); - this.dirty = false; - } + // multi select when holding mouse/touch, or on ctrl+click + this.hammer.on('hold', this._onMultiSelectItem.bind(this)); - this._repaintDeleteButton(dom.box); - this._repaintDragLeft(); - this._repaintDragRight(); - }; + // add item on doubletap + this.hammer.on('doubletap', this._onAddItem.bind(this)); - /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. - */ - RangeItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); - } + // attach to the DOM + this.show(); }; /** - * Hide the item from the DOM (when visible) - * @return {Boolean} changed + * Set options for the ItemSet. Existing options will be extended/overwritten. + * @param {Object} [options] The following options are available: + * {String} type + * Default type for the items. Choose from 'box' + * (default), 'point', 'range', or 'background'. + * The default style can be overwritten by + * individual items. + * {String} align + * Alignment for the items, only applicable for + * BoxItem. Choose 'center' (default), 'left', or + * 'right'. + * {String} orientation + * Orientation of the item set. Choose 'top' or + * 'bottom' (default). + * {Function} groupOrder + * A sorting function for ordering groups + * {Boolean} stack + * If true (deafult), items will be stacked on + * top of each other. + * {Number} margin.axis + * Margin between the axis and the items in pixels. + * Default is 20. + * {Number} margin.item.horizontal + * Horizontal margin between items in pixels. + * Default is 10. + * {Number} margin.item.vertical + * Vertical Margin between items in pixels. + * Default is 10. + * {Number} margin.item + * Margin between items in pixels in both horizontal + * and vertical direction. Default is 10. + * {Number} margin + * Set margin for both axis and items in pixels. + * {Number} padding + * Padding of the contents of an item in pixels. + * Must correspond with the items css. Default is 5. + * {Boolean} selectable + * If true (default), items can be selected. + * {Boolean} editable + * Set all editable options to true or false + * {Boolean} editable.updateTime + * Allow dragging an item to an other moment in time + * {Boolean} editable.updateGroup + * Allow dragging an item to an other group + * {Boolean} editable.add + * Allow creating new items on double tap + * {Boolean} editable.remove + * Allow removing items by clicking the delete button + * top right of a selected item. + * {Function(item: Item, callback: Function)} onAdd + * Callback function triggered when an item is about to be added: + * when the user double taps an empty space in the Timeline. + * {Function(item: Item, callback: Function)} onUpdate + * Callback function fired when an item is about to be updated. + * This function typically has to show a dialog where the user + * change the item. If not implemented, nothing happens. + * {Function(item: Item, callback: Function)} onMove + * Fired when an item has been moved. If not implemented, + * the move action will be accepted. + * {Function(item: Item, callback: Function)} onRemove + * Fired when an item is about to be deleted. + * If not implemented, the item will be always removed. */ - RangeItem.prototype.hide = function() { - if (this.displayed) { - var box = this.dom.box; + ItemSet.prototype.setOptions = function(options) { + if (options) { + // copy all options that we know + var fields = ['type', 'align', 'orientation', 'padding', 'stack', 'selectable', 'groupOrder', 'dataAttributes', 'template','hide']; + util.selectiveExtend(fields, this.options, options); - if (box.parentNode) { - box.parentNode.removeChild(box); + if ('margin' in options) { + if (typeof options.margin === 'number') { + this.options.margin.axis = options.margin; + this.options.margin.item.horizontal = options.margin; + this.options.margin.item.vertical = options.margin; + } + else if (typeof options.margin === 'object') { + util.selectiveExtend(['axis'], this.options.margin, options.margin); + if ('item' in options.margin) { + if (typeof options.margin.item === 'number') { + this.options.margin.item.horizontal = options.margin.item; + this.options.margin.item.vertical = options.margin.item; + } + else if (typeof options.margin.item === 'object') { + util.selectiveExtend(['horizontal', 'vertical'], this.options.margin.item, options.margin.item); + } + } + } } - this.top = null; - this.left = null; + if ('editable' in options) { + if (typeof options.editable === 'boolean') { + this.options.editable.updateTime = options.editable; + this.options.editable.updateGroup = options.editable; + this.options.editable.add = options.editable; + this.options.editable.remove = options.editable; + } + else if (typeof options.editable === 'object') { + util.selectiveExtend(['updateTime', 'updateGroup', 'add', 'remove'], this.options.editable, options.editable); + } + } - this.displayed = false; + // callback functions + var addCallback = (function (name) { + var fn = options[name]; + if (fn) { + if (!(fn instanceof Function)) { + throw new Error('option ' + name + ' must be a function ' + name + '(item, callback)'); + } + this.options[name] = fn; + } + }).bind(this); + ['onAdd', 'onUpdate', 'onRemove', 'onMove', 'onMoving'].forEach(addCallback); + + // force the itemSet to refresh: options like orientation and margins may be changed + this.markDirty(); } }; /** - * Reposition the item horizontally - * @Override + * Mark the ItemSet dirty so it will refresh everything with next redraw */ - RangeItem.prototype.repositionX = function() { - var parentWidth = this.parent.width; - var start = this.conversion.toScreen(this.data.start); - var end = this.conversion.toScreen(this.data.end); - var contentLeft; - var contentWidth; - - // limit the width of the this, as browsers cannot draw very wide divs - if (start < -parentWidth) { - start = -parentWidth; - } - if (end > 2 * parentWidth) { - end = 2 * parentWidth; - } - var boxWidth = Math.max(end - start, 1); - - if (this.overflow) { - this.left = start; - this.width = boxWidth + this.props.content.width; - contentWidth = this.props.content.width; - - // Note: The calculation of width is an optimistic calculation, giving - // a width which will not change when moving the Timeline - // So no re-stacking needed, which is nicer for the eye; - } - else { - this.left = start; - this.width = boxWidth; - contentWidth = Math.min(end - start - 2 * this.options.padding, this.props.content.width); - } + ItemSet.prototype.markDirty = function() { + this.groupIds = []; + this.stackDirty = true; + }; - this.dom.box.style.left = this.left + 'px'; - this.dom.box.style.width = boxWidth + 'px'; + /** + * Destroy the ItemSet + */ + ItemSet.prototype.destroy = function() { + this.hide(); + this.setItems(null); + this.setGroups(null); - switch (this.options.align) { - case 'left': - this.dom.content.style.left = '0'; - break; + this.hammer = null; - case 'right': - this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding), 0) + 'px'; - break; + this.body = null; + this.conversion = null; + }; - case 'center': - this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding) / 2, 0) + 'px'; - break; + /** + * Hide the component from the DOM + */ + ItemSet.prototype.hide = function() { + // remove the frame containing the items + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); + } - default: // 'auto' - // when range exceeds left of the window, position the contents at the left of the visible area - if (this.overflow) { - if (end > 0) { - contentLeft = Math.max(-start, 0); - } - else { - contentLeft = -contentWidth; // ensure it's not visible anymore - } - } - else { - if (start < 0) { - contentLeft = Math.min(-start, - (end - start - contentWidth - 2 * this.options.padding)); - // TODO: remove the need for options.padding. it's terrible. - } - else { - contentLeft = 0; - } - } - this.dom.content.style.left = contentLeft + 'px'; + // remove the axis with dots + if (this.dom.axis.parentNode) { + this.dom.axis.parentNode.removeChild(this.dom.axis); + } + + // remove the labelset containing all group labels + if (this.dom.labelSet.parentNode) { + this.dom.labelSet.parentNode.removeChild(this.dom.labelSet); } }; /** - * Reposition the item vertically - * @Override + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed */ - RangeItem.prototype.repositionY = function() { - var orientation = this.options.orientation, - box = this.dom.box; + ItemSet.prototype.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); + } - if (orientation == 'top') { - box.style.top = this.top + 'px'; + // show axis with dots + if (!this.dom.axis.parentNode) { + this.body.dom.backgroundVertical.appendChild(this.dom.axis); } - else { - box.style.top = (this.parent.height - this.top - this.height) + 'px'; + + // show labelset containing labels + if (!this.dom.labelSet.parentNode) { + this.body.dom.left.appendChild(this.dom.labelSet); } }; /** - * Repaint a drag area on the left side of the range when the range is selected - * @protected + * Set selected items by their id. Replaces the current selection + * Unknown id's are silently ignored. + * @param {string[] | string} [ids] An array with zero or more id's of the items to be + * selected, or a single item id. If ids is undefined + * or an empty array, all items will be unselected. */ - RangeItem.prototype._repaintDragLeft = function () { - if (this.selected && this.options.editable.updateTime && !this.dom.dragLeft) { - // create and show drag area - var dragLeft = document.createElement('div'); - dragLeft.className = 'drag-left'; - dragLeft.dragLeftItem = this; + ItemSet.prototype.setSelection = function(ids) { + var i, ii, id, item; - // TODO: this should be redundant? - Hammer(dragLeft, { - preventDefault: true - }).on('drag', function () { - //console.log('drag left') - }); + if (ids == undefined) ids = []; + if (!Array.isArray(ids)) ids = [ids]; - this.dom.box.appendChild(dragLeft); - this.dom.dragLeft = dragLeft; + // unselect currently selected items + for (i = 0, ii = this.selection.length; i < ii; i++) { + id = this.selection[i]; + item = this.items[id]; + if (item) item.unselect(); } - else if (!this.selected && this.dom.dragLeft) { - // delete drag area - if (this.dom.dragLeft.parentNode) { - this.dom.dragLeft.parentNode.removeChild(this.dom.dragLeft); + + // select items + this.selection = []; + for (i = 0, ii = ids.length; i < ii; i++) { + id = ids[i]; + item = this.items[id]; + if (item) { + this.selection.push(id); + item.select(); } - this.dom.dragLeft = null; } }; /** - * Repaint a drag area on the right side of the range when the range is selected - * @protected + * Get the selected items by their id + * @return {Array} ids The ids of the selected items */ - RangeItem.prototype._repaintDragRight = function () { - if (this.selected && this.options.editable.updateTime && !this.dom.dragRight) { - // create and show drag area - var dragRight = document.createElement('div'); - dragRight.className = 'drag-right'; - dragRight.dragRightItem = this; + ItemSet.prototype.getSelection = function() { + return this.selection.concat([]); + }; - // TODO: this should be redundant? - Hammer(dragRight, { - preventDefault: true - }).on('drag', function () { - //console.log('drag right') - }); + /** + * Get the id's of the currently visible items. + * @returns {Array} The ids of the visible items + */ + ItemSet.prototype.getVisibleItems = function() { + var range = this.body.range.getRange(); + var left = this.body.util.toScreen(range.start); + var right = this.body.util.toScreen(range.end); - this.dom.box.appendChild(dragRight); - this.dom.dragRight = dragRight; + var ids = []; + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + var group = this.groups[groupId]; + var rawVisibleItems = group.visibleItems; + + // filter the "raw" set with visibleItems into a set which is really + // visible by pixels + for (var i = 0; i < rawVisibleItems.length; i++) { + var item = rawVisibleItems[i]; + // TODO: also check whether visible vertically + if ((item.left < right) && (item.left + item.width > left)) { + ids.push(item.id); + } + } + } } - else if (!this.selected && this.dom.dragRight) { - // delete drag area - if (this.dom.dragRight.parentNode) { - this.dom.dragRight.parentNode.removeChild(this.dom.dragRight); + + return ids; + }; + + /** + * Deselect a selected item + * @param {String | Number} id + * @private + */ + ItemSet.prototype._deselect = function(id) { + var selection = this.selection; + for (var i = 0, ii = selection.length; i < ii; i++) { + if (selection[i] == id) { // non-strict comparison! + selection.splice(i, 1); + break; } - this.dom.dragRight = null; } }; - module.exports = RangeItem; + /** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ + ItemSet.prototype.redraw = function() { + var margin = this.options.margin, + range = this.body.range, + asSize = util.option.asSize, + options = this.options, + orientation = options.orientation, + resized = false, + frame = this.dom.frame, + editable = options.editable.updateTime || options.editable.updateGroup; + // recalculate absolute position (before redrawing groups) + this.props.top = this.body.domProps.top.height + this.body.domProps.border.top; + this.props.left = this.body.domProps.left.width + this.body.domProps.border.left; -/***/ }, -/* 36 */ -/***/ function(module, exports, __webpack_require__) { + // update class name + frame.className = 'itemset' + (editable ? ' editable' : ''); - var Emitter = __webpack_require__(56); - var Hammer = __webpack_require__(45); - var keycharm = __webpack_require__(59); - var util = __webpack_require__(1); - var hammerUtil = __webpack_require__(48); - var DataSet = __webpack_require__(3); - var DataView = __webpack_require__(4); - var dotparser = __webpack_require__(42); - var gephiParser = __webpack_require__(43); - var Groups = __webpack_require__(38); - var Images = __webpack_require__(39); - var Node = __webpack_require__(40); - var Edge = __webpack_require__(37); - var Popup = __webpack_require__(41); - var MixinLoader = __webpack_require__(54); - var Activator = __webpack_require__(55); - var locales = __webpack_require__(52); + // reorder the groups (if needed) + resized = this._orderGroups() || resized; - // Load custom shapes into CanvasRenderingContext2D - __webpack_require__(53); + // check whether zoomed (in that case we need to re-stack everything) + // TODO: would be nicer to get this as a trigger from Range + var visibleInterval = range.end - range.start; + var zoomed = (visibleInterval != this.lastVisibleInterval) || (this.props.width != this.props.lastWidth); + if (zoomed) this.stackDirty = true; + this.lastVisibleInterval = visibleInterval; + this.props.lastWidth = this.props.width; - /** - * @constructor Network - * Create a network visualization, displaying nodes and edges. - * - * @param {Element} container The DOM element in which the Network will - * be created. Normally a div element. - * @param {Object} data An object containing parameters - * {Array} nodes - * {Array} edges - * @param {Object} options Options - */ - function Network (container, data, options) { - if (!(this instanceof Network)) { - throw new SyntaxError('Constructor must be called with the new operator'); - } + var restack = this.stackDirty; + var firstGroup = this._firstGroup(); + var firstMargin = { + item: margin.item, + axis: margin.axis + }; + var nonFirstMargin = { + item: margin.item, + axis: margin.item.vertical / 2 + }; + var height = 0; + var minHeight = margin.axis + margin.item.vertical; - this._determineBrowserMethod(); - this._initializeMixinLoaders(); + // redraw the background group + this.groups[BACKGROUND].redraw(range, nonFirstMargin, restack); - // create variables and set default values - this.containerElement = container; + // redraw all regular groups + util.forEach(this.groups, function (group) { + var groupMargin = (group == firstGroup) ? firstMargin : nonFirstMargin; + var groupResized = group.redraw(range, groupMargin, restack); + resized = groupResized || resized; + height += group.height; + }); + height = Math.max(height, minHeight); + this.stackDirty = false; - // render and calculation settings - this.renderRefreshRate = 60; // hz (fps) - this.renderTimestep = 1000 / this.renderRefreshRate; // ms -- saves calculation later on - this.renderTime = 0; // measured time it takes to render a frame - this.physicsTime = 0; // measured time it takes to render a frame - this.runDoubleSpeed = false; - this.physicsDiscreteStepsize = 0.50; // discrete stepsize of the simulation + // update frame height + frame.style.height = asSize(height); - this.initializing = true; + // calculate actual size + this.props.width = frame.offsetWidth; + this.props.height = height; - this.triggerFunctions = {add:null,edit:null,editEdge:null,connect:null,del:null}; + // reposition axis + this.dom.axis.style.top = asSize((orientation == 'top') ? + (this.body.domProps.top.height + this.body.domProps.border.top) : + (this.body.domProps.top.height + this.body.domProps.centerContainer.height)); + this.dom.axis.style.left = '0'; - // set constant values - this.defaultOptions = { - nodes: { - mass: 1, - radiusMin: 10, - radiusMax: 30, - radius: 10, - shape: 'ellipse', - image: undefined, - widthMin: 16, // px - widthMax: 64, // px - fontColor: 'black', - fontSize: 14, // px - fontFace: 'verdana', - fontFill: undefined, - fontStrokeWidth: 0, // px - fontStrokeColor: 'white', - level: -1, - color: { - border: '#2B7CE9', - background: '#97C2FC', - highlight: { - border: '#2B7CE9', - background: '#D2E5FF' - }, - hover: { - border: '#2B7CE9', - background: '#D2E5FF' + // check if this component is resized + resized = this._isResized() || resized; + + return resized; + }; + + /** + * Get the first group, aligned with the axis + * @return {Group | null} firstGroup + * @private + */ + ItemSet.prototype._firstGroup = function() { + var firstGroupIndex = (this.options.orientation == 'top') ? 0 : (this.groupIds.length - 1); + var firstGroupId = this.groupIds[firstGroupIndex]; + var firstGroup = this.groups[firstGroupId] || this.groups[UNGROUPED]; + + return firstGroup || null; + }; + + /** + * Create or delete the group holding all ungrouped items. This group is used when + * there are no groups specified. + * @protected + */ + ItemSet.prototype._updateUngrouped = function() { + var ungrouped = this.groups[UNGROUPED]; + var background = this.groups[BACKGROUND]; + var item, itemId; + + if (this.groupsData) { + // remove the group holding all ungrouped items + if (ungrouped) { + ungrouped.hide(); + delete this.groups[UNGROUPED]; + + for (itemId in this.items) { + if (this.items.hasOwnProperty(itemId)) { + item = this.items[itemId]; + item.parent && item.parent.remove(item); + var groupId = this._getGroupId(item.data); + var group = this.groups[groupId]; + group && group.add(item) || item.hide(); } - }, - group: undefined, - borderWidth: 1, - borderWidthSelected: undefined - }, - edges: { - widthMin: 1, // - widthMax: 15,// - width: 1, - widthSelectionMultiplier: 2, - hoverWidth: 1.5, - style: 'line', - color: { - color:'#848484', - highlight:'#848484', - hover: '#848484' - }, - fontColor: '#343434', - fontSize: 14, // px - fontFace: 'arial', - fontFill: 'white', - fontStrokeWidth: 0, // px - fontStrokeColor: 'white', - labelAlignment:'horizontal', - arrowScaleFactor: 1, - dash: { - length: 10, - gap: 5, - altLength: undefined - }, - inheritColor: "from" // to, from, false, true (== from) - }, - configurePhysics:false, - physics: { - barnesHut: { - enabled: true, - thetaInverted: 1 / 0.5, // inverted to save time during calculation - gravitationalConstant: -2000, - centralGravity: 0.3, - springLength: 95, - springConstant: 0.04, - damping: 0.09 - }, - repulsion: { - centralGravity: 0.0, - springLength: 200, - springConstant: 0.05, - nodeDistance: 100, - damping: 0.09 - }, - hierarchicalRepulsion: { - enabled: false, - centralGravity: 0.0, - springLength: 100, - springConstant: 0.01, - nodeDistance: 150, - damping: 0.09 - }, - damping: null, - centralGravity: null, - springLength: null, - springConstant: null - }, - clustering: { // Per Node in Cluster = PNiC - enabled: false, // (Boolean) | global on/off switch for clustering. - initialMaxNodes: 100, // (# nodes) | if the initial amount of nodes is larger than this, we cluster until the total number is less than this threshold. - clusterThreshold:500, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than this. If it is, cluster until reduced to reduceToNodes - reduceToNodes:300, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than clusterThreshold. If it is, cluster until reduced to this - chainThreshold: 0.4, // (% of all drawn nodes)| maximum percentage of allowed chainnodes (long strings of connected nodes) within all nodes. (lower means less chains). - clusterEdgeThreshold: 20, // (px) | edge length threshold. if smaller, this node is clustered. - sectorThreshold: 100, // (# nodes in cluster) | cluster size threshold. If larger, expanding in own sector. - screenSizeThreshold: 0.2, // (% of canvas) | relative size threshold. If the width or height of a clusternode takes up this much of the screen, decluster node. - fontSizeMultiplier: 4.0, // (px PNiC) | how much the cluster font size grows per node in cluster (in px). - maxFontSize: 1000, - forceAmplification: 0.1, // (multiplier PNiC) | factor of increase fo the repulsion force of a cluster (per node in cluster). - distanceAmplification: 0.1, // (multiplier PNiC) | factor how much the repulsion distance of a cluster increases (per node in cluster). - edgeGrowth: 20, // (px PNiC) | amount of clusterSize connected to the edge is multiplied with this and added to edgeLength. - nodeScaling: {width: 1, // (px PNiC) | growth of the width per node in cluster. - height: 1, // (px PNiC) | growth of the height per node in cluster. - radius: 1}, // (px PNiC) | growth of the radius per node in cluster. - maxNodeSizeIncrements: 600, // (# increments) | max growth of the width per node in cluster. - activeAreaBoxSize: 80, // (px) | box area around the curser where clusters are popped open. - clusterLevelDifference: 2 - }, - navigation: { - enabled: false - }, - keyboard: { - enabled: false, - speed: {x: 10, y: 10, zoom: 0.02} - }, - dataManipulation: { - enabled: false, - initiallyVisible: false - }, - hierarchicalLayout: { - enabled:false, - levelSeparation: 150, - nodeSpacing: 100, - direction: "UD", // UD, DU, LR, RL - layout: "hubsize" // hubsize, directed - }, - freezeForStabilization: false, - smoothCurves: { - enabled: true, - dynamic: true, - type: "continuous", - roundness: 0.5 - }, - maxVelocity: 30, - minVelocity: 0.1, // px/s - stabilize: true, // stabilize before displaying the network - stabilizationIterations: 1000, // maximum number of iteration to stabilize - zoomExtentOnStabilize: true, - locale: 'en', - locales: locales, - tooltip: { - delay: 300, - fontColor: 'black', - fontSize: 14, // px - fontFace: 'verdana', - color: { - border: '#666', - background: '#FFFFC6' } - }, - dragNetwork: true, - dragNodes: true, - zoomable: true, - hover: false, - hideEdgesOnDrag: false, - hideNodesOnDrag: false, - width : '100%', - height : '100%', - selectable: true - }; - this.constants = util.extend({}, this.defaultOptions); - this.pixelRatio = 1; - - - this.hoverObj = {nodes:{},edges:{}}; - this.controlNodesActive = false; - this.navigationHammers = {existing:[], _new: []}; + } + } + else { + // create a group holding all (unfiltered) items + if (!ungrouped) { + var id = null; + var data = null; + ungrouped = new Group(id, data, this); + this.groups[UNGROUPED] = ungrouped; - // animation properties - this.animationSpeed = 1/this.renderRefreshRate; - this.animationEasingFunction = "easeInOutQuint"; - this.easingTime = 0; - this.sourceScale = 0; - this.targetScale = 0; - this.sourceTranslation = 0; - this.targetTranslation = 0; - this.lockedOnNodeId = null; - this.lockedOnNodeOffset = null; - this.touchTime = 0; + for (itemId in this.items) { + if (this.items.hasOwnProperty(itemId)) { + item = this.items[itemId]; + ungrouped.add(item); + } + } - // Node variables - var network = this; - this.groups = new Groups(); // object with groups - this.images = new Images(); // object with images - this.images.setOnloadCallback(function (status) { - network._redraw(); - }); + ungrouped.show(); + } + } + }; - // keyboard navigation variables - this.xIncrement = 0; - this.yIncrement = 0; - this.zoomIncrement = 0; + /** + * Get the element for the labelset + * @return {HTMLElement} labelSet + */ + ItemSet.prototype.getLabelSet = function() { + return this.dom.labelSet; + }; - // loading all the mixins: - // load the force calculation functions, grouped under the physics system. - this._loadPhysicsSystem(); - // create a frame and canvas - this._create(); - // load the sector system. (mandatory, fully integrated with Network) - this._loadSectorSystem(); - // load the cluster system. (mandatory, even when not using the cluster system, there are function calls to it) - this._loadClusterSystem(); - // load the selection system. (mandatory, required by Network) - this._loadSelectionSystem(); - // load the selection system. (mandatory, required by Network) - this._loadHierarchySystem(); + /** + * Set items + * @param {vis.DataSet | null} items + */ + ItemSet.prototype.setItems = function(items) { + var me = this, + ids, + oldItemsData = this.itemsData; + // replace the dataset + if (!items) { + this.itemsData = null; + } + else if (items instanceof DataSet || items instanceof DataView) { + this.itemsData = items; + } + else { + throw new TypeError('Data must be an instance of DataSet or DataView'); + } - // apply options - this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2); - this._setScale(1); - this.setOptions(options); + if (oldItemsData) { + // unsubscribe from old dataset + util.forEach(this.itemListeners, function (callback, event) { + oldItemsData.off(event, callback); + }); - // other vars - this.freezeSimulation = false;// freeze the simulation - this.cachedFunctions = {}; - this.startedStabilization = false; - this.stabilized = false; - this.stabilizationIterations = null; - this.draggingNodes = false; + // remove all drawn items + ids = oldItemsData.getIds(); + this._onRemove(ids); + } - // containers for nodes and edges - this.calculationNodes = {}; - this.calculationNodeIndices = []; - this.nodeIndices = []; // array with all the indices of the nodes. Used to speed up forces calculation - this.nodes = {}; // object with Node objects - this.edges = {}; // object with Edge objects + if (this.itemsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.itemListeners, function (callback, event) { + me.itemsData.on(event, callback, id); + }); - // position and scale variables and objects - this.canvasTopLeft = {"x": 0,"y": 0}; // coordinates of the top left of the canvas. they will be set during _redraw. - this.canvasBottomRight = {"x": 0,"y": 0}; // coordinates of the bottom right of the canvas. they will be set during _redraw - this.pointerPosition = {"x": 0,"y": 0}; // coordinates of the bottom right of the canvas. they will be set during _redraw - this.areaCenter = {}; // object with x and y elements used for determining the center of the zoom action - this.scale = 1; // defining the global scale variable in the constructor - this.previousScale = this.scale; // this is used to check if the zoom operation is zooming in or out + // add all new items + ids = this.itemsData.getIds(); + this._onAdd(ids); - // datasets or dataviews - this.nodesData = null; // A DataSet or DataView - this.edgesData = null; // A DataSet or DataView + // update the group holding all ungrouped items + this._updateUngrouped(); + } + }; - // create event listeners used to subscribe on the DataSets of the nodes and edges - this.nodesListeners = { - 'add': function (event, params) { - network._addNodes(params.items); - network.start(); - }, - 'update': function (event, params) { - network._updateNodes(params.items, params.data); - network.start(); - }, - 'remove': function (event, params) { - network._removeNodes(params.items); - network.start(); - } - }; - this.edgesListeners = { - 'add': function (event, params) { - network._addEdges(params.items); - network.start(); - }, - 'update': function (event, params) { - network._updateEdges(params.items); - network.start(); - }, - 'remove': function (event, params) { - network._removeEdges(params.items); - network.start(); - } - }; + /** + * Get the current items + * @returns {vis.DataSet | null} + */ + ItemSet.prototype.getItems = function() { + return this.itemsData; + }; - // properties for the animation - this.moving = true; - this.timer = undefined; // Scheduling function. Is definded in this.start(); + /** + * Set groups + * @param {vis.DataSet} groups + */ + ItemSet.prototype.setGroups = function(groups) { + var me = this, + ids; - // load data (the disable start variable will be the same as the enabled clustering) - this.setData(data,this.constants.clustering.enabled || this.constants.hierarchicalLayout.enabled); + // unsubscribe from current dataset + if (this.groupsData) { + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.unsubscribe(event, callback); + }); - // hierarchical layout - this.initializing = false; - if (this.constants.hierarchicalLayout.enabled == true) { - this._setupHierarchicalLayout(); + // remove all drawn groups + ids = this.groupsData.getIds(); + this.groupsData = null; + this._onRemoveGroups(ids); // note: this will cause a redraw + } + + // replace the dataset + if (!groups) { + this.groupsData = null; + } + else if (groups instanceof DataSet || groups instanceof DataView) { + this.groupsData = groups; } else { - // zoom so all data will fit on the screen, if clustering is enabled, we do not want start to be called here. - if (this.constants.stabilize == false) { - this.zoomExtent(undefined, true,this.constants.clustering.enabled); - } + throw new TypeError('Data must be an instance of DataSet or DataView'); } - // if clustering is disabled, the simulation will have started in the setData function - if (this.constants.clustering.enabled) { - this.startWithClustering(); + if (this.groupsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.on(event, callback, id); + }); + + // draw all ms + ids = this.groupsData.getIds(); + this._onAddGroups(ids); } - } - // Extend Network with an Emitter mixin - Emitter(Network.prototype); + // update the group holding all ungrouped items + this._updateUngrouped(); + + // update the order of all items in each group + this._order(); + + this.body.emitter.emit('change', {queue: true}); + }; /** - * Determine if the browser requires a setTimeout or a requestAnimationFrame. This was required because - * some implementations (safari and IE9) did not support requestAnimationFrame - * @private + * Get the current groups + * @returns {vis.DataSet | null} groups */ - Network.prototype._determineBrowserMethod = function() { - var browserType = navigator.userAgent.toLowerCase(); - this.requiresTimeout = false; - if (browserType.indexOf('msie 9.0') != -1) { // IE 9 - this.requiresTimeout = true; - } - else if (browserType.indexOf('safari') != -1) { // safari - if (browserType.indexOf('chrome') <= -1) { - this.requiresTimeout = true; - } + ItemSet.prototype.getGroups = function() { + return this.groupsData; + }; + + /** + * Remove an item by its id + * @param {String | Number} id + */ + ItemSet.prototype.removeItem = function(id) { + var item = this.itemsData.get(id), + dataset = this.itemsData.getDataSet(); + + if (item) { + // confirm deletion + this.options.onRemove(item, function (item) { + if (item) { + // remove by id here, it is possible that an item has no id defined + // itself, so better not delete by the item itself + dataset.remove(id); + } + }); } - } + }; + + /** + * Get the time of an item based on it's data and options.type + * @param {Object} itemData + * @returns {string} Returns the type + * @private + */ + ItemSet.prototype._getType = function (itemData) { + return itemData.type || this.options.type || (itemData.end ? 'range' : 'box'); + }; /** - * Get the script path where the vis.js library is located - * - * @returns {string | null} path Path or null when not found. Path does not - * end with a slash. + * Get the group id for an item + * @param {Object} itemData + * @returns {string} Returns the groupId * @private */ - Network.prototype._getScriptPath = function() { - var scripts = document.getElementsByTagName( 'script' ); + ItemSet.prototype._getGroupId = function (itemData) { + var type = this._getType(itemData); + if (type == 'background' && itemData.group == undefined) { + return BACKGROUND; + } + else { + return this.groupsData ? itemData.group : UNGROUPED; + } + }; - // find script named vis.js or vis.min.js - for (var i = 0; i < scripts.length; i++) { - var src = scripts[i].src; - var match = src && /\/?vis(.min)?\.js$/.exec(src); - if (match) { - // return path without the script name - return src.substring(0, src.length - match[0].length); + /** + * Handle updated items + * @param {Number[]} ids + * @protected + */ + ItemSet.prototype._onUpdate = function(ids) { + var me = this; + + ids.forEach(function (id) { + var itemData = me.itemsData.get(id, me.itemOptions); + var item = me.items[id]; + var type = me._getType(itemData); + + var constructor = ItemSet.types[type]; + + if (item) { + // update item + if (!constructor || !(item instanceof constructor)) { + // item type has changed, delete the item and recreate it + me._removeItem(item); + item = null; + } + else { + me._updateItem(item, itemData); + } } - } - return null; + if (!item) { + // create item + if (constructor) { + item = new constructor(itemData, me.conversion, me.options); + item.id = id; // TODO: not so nice setting id afterwards + me._addItem(item); + } + else if (type == 'rangeoverflow') { + // TODO: deprecated since version 2.1.0 (or 3.0.0?). cleanup some day + throw new TypeError('Item type "rangeoverflow" is deprecated. Use css styling instead: ' + + '.vis.timeline .item.range .content {overflow: visible;}'); + } + else { + throw new TypeError('Unknown item type "' + type + '"'); + } + } + }); + + this._order(); + this.stackDirty = true; // force re-stacking of all items next redraw + this.body.emitter.emit('change', {queue: true}); }; + /** + * Handle added items + * @param {Number[]} ids + * @protected + */ + ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; /** - * Find the center position of the network - * @private + * Handle removed items + * @param {Number[]} ids + * @protected */ - Network.prototype._getRange = function() { - var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (minX > (node.boundingBox.left)) {minX = node.boundingBox.left;} - if (maxX < (node.boundingBox.right)) {maxX = node.boundingBox.right;} - if (minY > (node.boundingBox.bottom)) {minY = node.boundingBox.bottom;} - if (maxY < (node.boundingBox.top)) {maxY = node.boundingBox.top;} + ItemSet.prototype._onRemove = function(ids) { + var count = 0; + var me = this; + ids.forEach(function (id) { + var item = me.items[id]; + if (item) { + count++; + me._removeItem(item); } + }); + + if (count) { + // update order + this._order(); + this.stackDirty = true; // force re-stacking of all items next redraw + this.body.emitter.emit('change', {queue: true}); } - if (minX == 1e9 && maxX == -1e9 && minY == 1e9 && maxY == -1e9) { - minY = 0, maxY = 0, minX = 0, maxX = 0; - } - return {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; }; - /** - * @param {object} range = {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; - * @returns {{x: number, y: number}} + * Update the order of item in all groups * @private */ - Network.prototype._findCenter = function(range) { - return {x: (0.5 * (range.maxX + range.minX)), - y: (0.5 * (range.maxY + range.minY))}; + ItemSet.prototype._order = function() { + // reorder the items in all groups + // TODO: optimization: only reorder groups affected by the changed items + util.forEach(this.groups, function (group) { + group.order(); + }); }; - /** - * This function zooms out to fit all data on screen based on amount of nodes - * - * @param {Boolean} [initialZoom] | zoom based on fitted formula or range, true = fitted, default = false; - * @param {Boolean} [disableStart] | If true, start is not called. + * Handle updated groups + * @param {Number[]} ids + * @private */ - Network.prototype.zoomExtent = function(animationOptions, initialZoom, disableStart) { - this._redraw(true); + ItemSet.prototype._onUpdateGroups = function(ids) { + this._onAddGroups(ids); + }; - if (initialZoom === undefined) { - initialZoom = false; - } - if (disableStart === undefined) { - disableStart = false; - } - if (animationOptions === undefined) { - animationOptions = false; - } + /** + * Handle changed groups (added or updated) + * @param {Number[]} ids + * @private + */ + ItemSet.prototype._onAddGroups = function(ids) { + var me = this; - var range = this._getRange(); - var zoomLevel; + ids.forEach(function (id) { + var groupData = me.groupsData.get(id); + var group = me.groups[id]; - if (initialZoom == true) { - var numberOfNodes = this.nodeIndices.length; - if (this.constants.smoothCurves == true) { - if (this.constants.clustering.enabled == true && - numberOfNodes >= this.constants.clustering.initialMaxNodes) { - zoomLevel = 49.07548 / (numberOfNodes + 142.05338) + 9.1444e-04; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. + if (!group) { + // check for reserved ids + if (id == UNGROUPED || id == BACKGROUND) { + throw new Error('Illegal group id. ' + id + ' is a reserved id.'); } - else { - zoomLevel = 12.662 / (numberOfNodes + 7.4147) + 0.0964822; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. + + var groupOptions = Object.create(me.options); + util.extend(groupOptions, { + height: null + }); + + group = new Group(id, groupData, me); + me.groups[id] = group; + + // add items with this groupId to the new group + for (var itemId in me.items) { + if (me.items.hasOwnProperty(itemId)) { + var item = me.items[itemId]; + if (item.data.group == id) { + group.add(item); + } + } } + + group.order(); + group.show(); } else { - if (this.constants.clustering.enabled == true && - numberOfNodes >= this.constants.clustering.initialMaxNodes) { - zoomLevel = 77.5271985 / (numberOfNodes + 187.266146) + 4.76710517e-05; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. - } - else { - zoomLevel = 30.5062972 / (numberOfNodes + 19.93597763) + 0.08413486; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. - } + // update group + group.setData(groupData); } + }); - // correct for larger canvasses. - var factor = Math.min(this.frame.canvas.clientWidth / 600, this.frame.canvas.clientHeight / 600); - zoomLevel *= factor; + this.body.emitter.emit('change', {queue: true}); + }; + + /** + * Handle removed groups + * @param {Number[]} ids + * @private + */ + ItemSet.prototype._onRemoveGroups = function(ids) { + var groups = this.groups; + ids.forEach(function (id) { + var group = groups[id]; + + if (group) { + group.hide(); + delete groups[id]; + } + }); + + this.markDirty(); + + this.body.emitter.emit('change', {queue: true}); + }; + + /** + * Reorder the groups if needed + * @return {boolean} changed + * @private + */ + ItemSet.prototype._orderGroups = function () { + if (this.groupsData) { + // reorder the groups + var groupIds = this.groupsData.getIds({ + order: this.options.groupOrder + }); + + var changed = !util.equalArray(groupIds, this.groupIds); + if (changed) { + // hide all groups, removes them from the DOM + var groups = this.groups; + groupIds.forEach(function (groupId) { + groups[groupId].hide(); + }); + + // show the groups again, attach them to the DOM in correct order + groupIds.forEach(function (groupId) { + groups[groupId].show(); + }); + + this.groupIds = groupIds; + } + + return changed; } else { - var xDistance = Math.abs(range.maxX - range.minX) * 1.1; - var yDistance = Math.abs(range.maxY - range.minY) * 1.1; + return false; + } + }; - var xZoomLevel = this.frame.canvas.clientWidth / xDistance; - var yZoomLevel = this.frame.canvas.clientHeight / yDistance; + /** + * Add a new item + * @param {Item} item + * @private + */ + ItemSet.prototype._addItem = function(item) { + this.items[item.id] = item; - zoomLevel = (xZoomLevel <= yZoomLevel) ? xZoomLevel : yZoomLevel; + // add to group + var groupId = this._getGroupId(item.data); + var group = this.groups[groupId]; + if (group) group.add(item); + }; + + /** + * Update an existing item + * @param {Item} item + * @param {Object} itemData + * @private + */ + ItemSet.prototype._updateItem = function(item, itemData) { + var oldGroupId = item.data.group; + + // update the items data (will redraw the item when displayed) + item.setData(itemData); + + // update group + if (oldGroupId != item.data.group) { + var oldGroup = this.groups[oldGroupId]; + if (oldGroup) oldGroup.remove(item); + + var groupId = this._getGroupId(item.data); + var group = this.groups[groupId]; + if (group) group.add(item); } + }; + + /** + * Delete an item from the ItemSet: remove it from the DOM, from the map + * with items, and from the map with visible items, and from the selection + * @param {Item} item + * @private + */ + ItemSet.prototype._removeItem = function(item) { + // remove from DOM + item.hide(); - if (zoomLevel > 1.0) { - zoomLevel = 1.0; - } + // remove from items + delete this.items[item.id]; + // remove from selection + var index = this.selection.indexOf(item.id); + if (index != -1) this.selection.splice(index, 1); - var center = this._findCenter(range); - if (disableStart == false) { - var options = {position: center, scale: zoomLevel, animation: animationOptions}; - this.moveTo(options); - this.moving = true; - this.start(); - } - else { - center.x *= zoomLevel; - center.y *= zoomLevel; - center.x -= 0.5 * this.frame.canvas.clientWidth; - center.y -= 0.5 * this.frame.canvas.clientHeight; - this._setScale(zoomLevel); - this._setTranslation(-center.x,-center.y); - } + // remove from group + item.parent && item.parent.remove(item); }; - /** - * Update the this.nodeIndices with the most recent node index list + * Create an array containing all items being a range (having an end date) + * @param array + * @returns {Array} * @private */ - Network.prototype._updateNodeIndexList = function() { - this._clearNodeIndexList(); - for (var idx in this.nodes) { - if (this.nodes.hasOwnProperty(idx)) { - this.nodeIndices.push(idx); + ItemSet.prototype._constructByEndArray = function(array) { + var endArray = []; + + for (var i = 0; i < array.length; i++) { + if (array[i] instanceof RangeItem) { + endArray.push(array[i]); } } + return endArray; }; - /** - * Set nodes and edges, and optionally options as well. + * Register the clicked item on touch, before dragStart is initiated. * - * @param {Object} data Object containing parameters: - * {Array | DataSet | DataView} [nodes] Array with nodes - * {Array | DataSet | DataView} [edges] Array with edges - * {String} [dot] String containing data in DOT format - * {String} [gephi] String containing data in gephi JSON format - * {Options} [options] Object with options - * @param {Boolean} [disableStart] | optional: disable the calling of the start function. + * dragStart is initiated from a mousemove event, which can have left the item + * already resulting in an item == null + * + * @param {Event} event + * @private */ - Network.prototype.setData = function(data, disableStart) { - if (disableStart === undefined) { - disableStart = false; - } - // we set initializing to true to ensure that the hierarchical layout is not performed until both nodes and edges are added. - this.initializing = true; - - if (data && data.dot && (data.nodes || data.edges)) { - throw new SyntaxError('Data must contain either parameter "dot" or ' + - ' parameter pair "nodes" and "edges", but not both.'); - } - - // clean up in case there is anyone in an active mode of the manipulation. This is the same option as bound to the escape button. - if (this.constants.dataManipulation.enabled == true) { - this._createManipulatorBar(); - } - - // set options - this.setOptions(data && data.options); - // set all data - if (data && data.dot) { - // parse DOT file - if(data && data.dot) { - var dotData = dotparser.DOTToGraph(data.dot); - this.setData(dotData); - return; - } - } - else if (data && data.gephi) { - // parse DOT file - if(data && data.gephi) { - var gephiData = gephiParser.parseGephi(data.gephi); - this.setData(gephiData); - return; - } - } - else { - this._setNodes(data && data.nodes); - this._setEdges(data && data.edges); - } - this._putDataInSector(); - if (disableStart == false) { - if (this.constants.hierarchicalLayout.enabled == true) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } - else { - // find a stable position or start animating to a stable position - if (this.constants.stabilize) { - this._stabilize(); - } - } - this.start(); - } - this.initializing = false; + ItemSet.prototype._onTouch = function (event) { + // store the touched item, used in _onDragStart + this.touchParams.item = ItemSet.itemFromTarget(event); }; /** - * Set options - * @param {Object} options + * Start dragging the selected events + * @param {Event} event + * @private */ - Network.prototype.setOptions = function (options) { - if (options) { - var prop; - var fields = ['nodes','edges','smoothCurves','hierarchicalLayout','clustering','navigation', - 'keyboard','dataManipulation','onAdd','onEdit','onEditEdge','onConnect','onDelete','clickToUse' - ]; - // extend all but the values in fields - util.selectiveNotDeepExtend(fields,this.constants, options); - util.selectiveNotDeepExtend(['color'],this.constants.nodes, options.nodes); - util.selectiveNotDeepExtend(['color','length'],this.constants.edges, options.edges); - - if (options.physics) { - util.mergeOptions(this.constants.physics, options.physics,'barnesHut'); - util.mergeOptions(this.constants.physics, options.physics,'repulsion'); - - if (options.physics.hierarchicalRepulsion) { - this.constants.hierarchicalLayout.enabled = true; - this.constants.physics.hierarchicalRepulsion.enabled = true; - this.constants.physics.barnesHut.enabled = false; - for (prop in options.physics.hierarchicalRepulsion) { - if (options.physics.hierarchicalRepulsion.hasOwnProperty(prop)) { - this.constants.physics.hierarchicalRepulsion[prop] = options.physics.hierarchicalRepulsion[prop]; - } - } - } - } - - if (options.onAdd) {this.triggerFunctions.add = options.onAdd;} - if (options.onEdit) {this.triggerFunctions.edit = options.onEdit;} - if (options.onEditEdge) {this.triggerFunctions.editEdge = options.onEditEdge;} - if (options.onConnect) {this.triggerFunctions.connect = options.onConnect;} - if (options.onDelete) {this.triggerFunctions.del = options.onDelete;} - - util.mergeOptions(this.constants, options,'smoothCurves'); - util.mergeOptions(this.constants, options,'hierarchicalLayout'); - util.mergeOptions(this.constants, options,'clustering'); - util.mergeOptions(this.constants, options,'navigation'); - util.mergeOptions(this.constants, options,'keyboard'); - util.mergeOptions(this.constants, options,'dataManipulation'); + ItemSet.prototype._onDragStart = function (event) { + if (!this.options.editable.updateTime && !this.options.editable.updateGroup) { + return; + } + var item = this.touchParams.item || null; + var me = this; + var props; - if (options.dataManipulation) { - this.editMode = this.constants.dataManipulation.initiallyVisible; - } + if (item && item.selected) { + var dragLeftItem = event.target.dragLeftItem; + var dragRightItem = event.target.dragRightItem; + if (dragLeftItem) { + props = { + item: dragLeftItem, + initialX: event.gesture.center.clientX + }; - // TODO: work out these options and document them - if (options.edges) { - if (options.edges.color !== undefined) { - if (util.isString(options.edges.color)) { - this.constants.edges.color = {}; - this.constants.edges.color.color = options.edges.color; - this.constants.edges.color.highlight = options.edges.color; - this.constants.edges.color.hover = options.edges.color; - } - else { - if (options.edges.color.color !== undefined) {this.constants.edges.color.color = options.edges.color.color;} - if (options.edges.color.highlight !== undefined) {this.constants.edges.color.highlight = options.edges.color.highlight;} - if (options.edges.color.hover !== undefined) {this.constants.edges.color.hover = options.edges.color.hover;} - } - this.constants.edges.inheritColor = false; + if (me.options.editable.updateTime) { + props.start = item.data.start.valueOf(); } - - if (!options.edges.fontColor) { - if (options.edges.color !== undefined) { - if (util.isString(options.edges.color)) {this.constants.edges.fontColor = options.edges.color;} - else if (options.edges.color.color !== undefined) {this.constants.edges.fontColor = options.edges.color.color;} - } + if (me.options.editable.updateGroup) { + if ('group' in item.data) props.group = item.data.group; } - } - if (options.nodes) { - if (options.nodes.color) { - var newColorObj = util.parseColor(options.nodes.color); - this.constants.nodes.color.background = newColorObj.background; - this.constants.nodes.color.border = newColorObj.border; - this.constants.nodes.color.highlight.background = newColorObj.highlight.background; - this.constants.nodes.color.highlight.border = newColorObj.highlight.border; - this.constants.nodes.color.hover.background = newColorObj.hover.background; - this.constants.nodes.color.hover.border = newColorObj.hover.border; - } - } - if (options.groups) { - for (var groupname in options.groups) { - if (options.groups.hasOwnProperty(groupname)) { - var group = options.groups[groupname]; - this.groups.add(groupname, group); - } - } + this.touchParams.itemProps = [props]; } + else if (dragRightItem) { + props = { + item: dragRightItem, + initialX: event.gesture.center.clientX + }; - if (options.tooltip) { - for (prop in options.tooltip) { - if (options.tooltip.hasOwnProperty(prop)) { - this.constants.tooltip[prop] = options.tooltip[prop]; - } + if (me.options.editable.updateTime) { + props.end = item.data.end.valueOf(); } - if (options.tooltip.color) { - this.constants.tooltip.color = util.parseColor(options.tooltip.color); + if (me.options.editable.updateGroup) { + if ('group' in item.data) props.group = item.data.group; } + + this.touchParams.itemProps = [props]; } + else { + this.touchParams.itemProps = this.getSelection().map(function (id) { + var item = me.items[id]; + var props = { + item: item, + initialX: event.gesture.center.clientX + }; - if ('clickToUse' in options) { - if (options.clickToUse) { - if (!this.activator) { - this.activator = new Activator(this.frame); - this.activator.on('change', this._createKeyBinds.bind(this)); + if (me.options.editable.updateTime) { + if ('start' in item.data) props.start = item.data.start.valueOf(); + if ('end' in item.data) props.end = item.data.end.valueOf(); } - } - else { - if (this.activator) { - this.activator.destroy(); - delete this.activator; + if (me.options.editable.updateGroup) { + if ('group' in item.data) props.group = item.data.group; } - } - } - if (options.labels) { - throw new Error('Option "labels" is deprecated. Use options "locale" and "locales" instead.'); + return props; + }); } - - // (Re)loading the mixins that can be enabled or disabled in the options. - // load the force calculation functions, grouped under the physics system. - this._loadPhysicsSystem(); - // load the navigation system. - this._loadNavigationControls(); - // load the data manipulation system - this._loadManipulationSystem(); - // configure the smooth curves - this._configureSmoothCurves(); - - - // bind keys. If disabled, this will not do anything; - this._createKeyBinds(); - - this.setSize(this.constants.width, this.constants.height); - this.moving = true; - this.start(); + event.stopPropagation(); } }; - - /** - * Create the main frame for the Network. - * This function is executed once when a Network object is created. The frame - * contains a canvas, and this canvas contains all objects like the axis and - * nodes. + * Drag selected items + * @param {Event} event * @private */ - Network.prototype._create = function () { - // remove all elements from the container element. - while (this.containerElement.hasChildNodes()) { - this.containerElement.removeChild(this.containerElement.firstChild); - } - - this.frame = document.createElement('div'); - this.frame.className = 'vis network-frame'; - this.frame.style.position = 'relative'; - this.frame.style.overflow = 'hidden'; + ItemSet.prototype._onDrag = function (event) { + event.preventDefault() + if (this.touchParams.itemProps) { + var me = this; + var snap = this.body.util.snap || null; + var xOffset = this.body.dom.root.offsetLeft + this.body.domProps.left.width; - ////////////////////////////////////////////////////////////////// + // move + this.touchParams.itemProps.forEach(function (props) { + var newProps = {}; + var current = me.body.util.toTime(event.gesture.center.clientX - xOffset); + var initial = me.body.util.toTime(props.initialX - xOffset); + var offset = current - initial; - this.frame.canvas = document.createElement("canvas"); - this.frame.canvas.style.position = 'relative'; - this.frame.appendChild(this.frame.canvas); + if ('start' in props) { + var start = new Date(props.start + offset); + newProps.start = snap ? snap(start) : start; + } - if (!this.frame.canvas.getContext) { - var noCanvas = document.createElement( 'DIV' ); - noCanvas.style.color = 'red'; - noCanvas.style.fontWeight = 'bold' ; - noCanvas.style.padding = '10px'; - noCanvas.innerHTML = 'Error: your browser does not support HTML canvas'; - this.frame.canvas.appendChild(noCanvas); - } - else { - var ctx = this.frame.canvas.getContext("2d"); - this.pixelRatio = (window.devicePixelRatio || 1) / (ctx.webkitBackingStorePixelRatio || - ctx.mozBackingStorePixelRatio || - ctx.msBackingStorePixelRatio || - ctx.oBackingStorePixelRatio || - ctx.backingStorePixelRatio || 1); + if ('end' in props) { + var end = new Date(props.end + offset); + newProps.end = snap ? snap(end) : end; + } - this.frame.canvas.getContext("2d").setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); - } + if ('group' in props) { + // drag from one group to another + var group = ItemSet.groupFromTarget(event); + newProps.group = group && group.groupId; + } - ////////////////////////////////////////////////////////////////// + // confirm moving the item + var itemData = util.extend({}, props.item.data, newProps); + me.options.onMoving(itemData, function (itemData) { + if (itemData) { + me._updateItemProps(props.item, itemData); + } + }); + }); + this.stackDirty = true; // force re-stacking of all items next redraw + this.body.emitter.emit('change'); - var me = this; - this.drag = {}; - this.pinch = {}; - this.hammer = Hammer(this.frame.canvas, { - prevent_default: true - }); - this.hammer.on('tap', me._onTap.bind(me) ); - this.hammer.on('doubletap', me._onDoubleTap.bind(me) ); - this.hammer.on('hold', me._onHold.bind(me) ); - this.hammer.on('pinch', me._onPinch.bind(me) ); - this.hammer.on('touch', me._onTouch.bind(me) ); - this.hammer.on('dragstart', me._onDragStart.bind(me) ); - this.hammer.on('drag', me._onDrag.bind(me) ); - this.hammer.on('dragend', me._onDragEnd.bind(me) ); - this.hammer.on('mousewheel',me._onMouseWheel.bind(me) ); - this.hammer.on('DOMMouseScroll',me._onMouseWheel.bind(me) ); // for FF - this.hammer.on('mousemove', me._onMouseMoveTitle.bind(me) ); + event.stopPropagation(); + } + }; - this.hammerFrame = Hammer(this.frame, { - prevent_default: true - }); - this.hammerFrame.on('release', me._onRelease.bind(me) ); + /** + * Update an items properties + * @param {Item} item + * @param {Object} props Can contain properties start, end, and group. + * @private + */ + ItemSet.prototype._updateItemProps = function(item, props) { + // TODO: copy all properties from props to item? (also new ones) + if ('start' in props) item.data.start = props.start; + if ('end' in props) item.data.end = props.end; + if ('group' in props && item.data.group != props.group) { + this._moveToGroup(item, props.group) + } + }; - // add the frame to the container element - this.containerElement.appendChild(this.frame); + /** + * Move an item to another group + * @param {Item} item + * @param {String | Number} groupId + * @private + */ + ItemSet.prototype._moveToGroup = function(item, groupId) { + var group = this.groups[groupId]; + if (group && group.groupId != item.data.group) { + var oldGroup = item.parent; + oldGroup.remove(item); + oldGroup.order(); + group.add(item); + group.order(); + item.data.group = group.groupId; + } }; - /** - * Binding the keys for keyboard navigation. These functions are defined in the NavigationMixin + * End of dragging selected items + * @param {Event} event * @private */ - Network.prototype._createKeyBinds = function() { - var me = this; - if (this.keycharm !== undefined) { - this.keycharm.destroy(); - } - this.keycharm = keycharm(); + ItemSet.prototype._onDragEnd = function (event) { + event.preventDefault() - this.keycharm.reset(); + if (this.touchParams.itemProps) { + // prepare a change set for the changed items + var changes = [], + me = this, + dataset = this.itemsData.getDataSet(); - if (this.constants.keyboard.enabled && this.isActive()) { - this.keycharm.bind("up", this._moveUp.bind(me) , "keydown"); - this.keycharm.bind("up", this._yStopMoving.bind(me), "keyup"); - this.keycharm.bind("down", this._moveDown.bind(me) , "keydown"); - this.keycharm.bind("down", this._yStopMoving.bind(me), "keyup"); - this.keycharm.bind("left", this._moveLeft.bind(me) , "keydown"); - this.keycharm.bind("left", this._xStopMoving.bind(me), "keyup"); - this.keycharm.bind("right",this._moveRight.bind(me), "keydown"); - this.keycharm.bind("right",this._xStopMoving.bind(me), "keyup"); - this.keycharm.bind("=", this._zoomIn.bind(me), "keydown"); - this.keycharm.bind("=", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("num+", this._zoomIn.bind(me), "keydown"); - this.keycharm.bind("num+", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("num-", this._zoomOut.bind(me), "keydown"); - this.keycharm.bind("num-", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("-", this._zoomOut.bind(me), "keydown"); - this.keycharm.bind("-", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("[", this._zoomIn.bind(me), "keydown"); - this.keycharm.bind("[", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("]", this._zoomOut.bind(me), "keydown"); - this.keycharm.bind("]", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("pageup",this._zoomIn.bind(me), "keydown"); - this.keycharm.bind("pageup",this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("pagedown",this._zoomOut.bind(me),"keydown"); - this.keycharm.bind("pagedown",this._stopZoom.bind(me), "keyup"); - } + var itemProps = this.touchParams.itemProps ; + this.touchParams.itemProps = null; + itemProps.forEach(function (props) { + var id = props.item.id, + itemData = me.itemsData.get(id, me.itemOptions); - if (this.constants.dataManipulation.enabled == true) { - this.keycharm.bind("esc",this._createManipulatorBar.bind(me)); - this.keycharm.bind("delete",this._deleteSelected.bind(me)); + var changed = false; + if ('start' in props.item.data) { + changed = (props.start != props.item.data.start.valueOf()); + itemData.start = util.convert(props.item.data.start, + dataset._options.type && dataset._options.type.start || 'Date'); + } + if ('end' in props.item.data) { + changed = changed || (props.end != props.item.data.end.valueOf()); + itemData.end = util.convert(props.item.data.end, + dataset._options.type && dataset._options.type.end || 'Date'); + } + if ('group' in props.item.data) { + changed = changed || (props.group != props.item.data.group); + itemData.group = props.item.data.group; + } + + // only apply changes when start or end is actually changed + if (changed) { + me.options.onMove(itemData, function (itemData) { + if (itemData) { + // apply changes + itemData[dataset._fieldId] = id; // ensure the item contains its id (can be undefined) + changes.push(itemData); + } + else { + // restore original values + me._updateItemProps(props.item, props); + + me.stackDirty = true; // force re-stacking of all items next redraw + me.body.emitter.emit('change'); + } + }); + } + }); + + // apply the changes to the data (if there are changes) + if (changes.length) { + dataset.update(changes); + } + + event.stopPropagation(); } }; /** - * Cleans up all bindings of the network, removing it fully from the memory IF the variable is set to null after calling this function. - * var network = new vis.Network(..); - * network.destroy(); - * network = null; + * Handle selecting/deselecting an item when tapping it + * @param {Event} event + * @private */ - Network.prototype.destroy = function() { - this.start = function () {}; - this.redraw = function () {}; - this.timer = false; - - // cleanup physicsConfiguration if it exists - this._cleanupPhysicsConfiguration(); + ItemSet.prototype._onSelectItem = function (event) { + if (!this.options.selectable) return; - // remove keybindings - this.keycharm.reset(); + var ctrlKey = event.gesture.srcEvent && event.gesture.srcEvent.ctrlKey; + var shiftKey = event.gesture.srcEvent && event.gesture.srcEvent.shiftKey; + if (ctrlKey || shiftKey) { + this._onMultiSelectItem(event); + return; + } - // clear hammer bindings - this.hammer.dispose(); + var oldSelection = this.getSelection(); - // clear events - this.off(); + var item = ItemSet.itemFromTarget(event); + var selection = item ? [item.id] : []; + this.setSelection(selection); - this._recursiveDOMDelete(this.containerElement); - } + var newSelection = this.getSelection(); - Network.prototype._recursiveDOMDelete = function(DOMobject) { - while (DOMobject.hasChildNodes() == true) { - this._recursiveDOMDelete(DOMobject.firstChild); - DOMobject.removeChild(DOMobject.firstChild); + // emit a select event, + // except when old selection is empty and new selection is still empty + if (newSelection.length > 0 || oldSelection.length > 0) { + this.body.emitter.emit('select', { + items: newSelection + }); } - } - - /** - * Get the pointer location from a touch location - * @param {{pageX: Number, pageY: Number}} touch - * @return {{x: Number, y: Number}} pointer - * @private - */ - Network.prototype._getPointer = function (touch) { - return { - x: touch.pageX - util.getAbsoluteLeft(this.frame.canvas), - y: touch.pageY - util.getAbsoluteTop(this.frame.canvas) - }; }; /** - * On start of a touch gesture, store the pointer + * Handle creation and updates of an item on double tap * @param event * @private */ - Network.prototype._onTouch = function (event) { - if (new Date().valueOf() - this.touchTime > 100) { - this.drag.pointer = this._getPointer(event.gesture.center); - this.drag.pinched = false; - this.pinch.scale = this._getScale(); + ItemSet.prototype._onAddItem = function (event) { + if (!this.options.selectable) return; + if (!this.options.editable.add) return; - // to avoid double fireing of this event because we have two hammer instances. (on canvas and on frame) - this.touchTime = new Date().valueOf(); + var me = this, + snap = this.body.util.snap || null, + item = ItemSet.itemFromTarget(event); - this._handleTouch(this.drag.pointer); + if (item) { + // update item + + // execute async handler to update the item (or cancel it) + var itemData = me.itemsData.get(item.id); // get a clone of the data from the dataset + this.options.onUpdate(itemData, function (itemData) { + if (itemData) { + me.itemsData.getDataSet().update(itemData); + } + }); } - }; + else { + // add item + var xAbs = util.getAbsoluteLeft(this.dom.frame); + var x = event.gesture.center.pageX - xAbs; + var start = this.body.util.toTime(x); + var newItem = { + start: snap ? snap(start) : start, + content: 'new item' + }; - /** - * handle drag start event - * @private - */ - Network.prototype._onDragStart = function (event) { - this._handleDragStart(event); - }; + // when default type is a range, add a default end date to the new item + if (this.options.type === 'range') { + var end = this.body.util.toTime(x + this.props.width / 5); + newItem.end = snap ? snap(end) : end; + } + + newItem[this.itemsData._fieldId] = util.randomUUID(); + + var group = ItemSet.groupFromTarget(event); + if (group) { + newItem.group = group.groupId; + } + // execute async handler to customize (or cancel) adding an item + this.options.onAdd(newItem, function (item) { + if (item) { + me.itemsData.getDataSet().add(item); + // TODO: need to trigger a redraw? + } + }); + } + }; /** - * This function is called by _onDragStart. - * It is separated out because we can then overload it for the datamanipulation system. - * + * Handle selecting/deselecting multiple items when holding an item + * @param {Event} event * @private */ - Network.prototype._handleDragStart = function(event) { - // in case the touch event was triggered on an external div, do the initial touch now. - if (this.drag.pointer === undefined) { - this._onTouch(event); - } - - var node = this._getNodeAt(this.drag.pointer); - // note: drag.pointer is set in _onTouch to get the initial touch location - - this.drag.dragging = true; - this.drag.selection = []; - this.drag.translation = this._getTranslation(); - this.drag.nodeId = null; - this.draggingNodes = false; + ItemSet.prototype._onMultiSelectItem = function (event) { + if (!this.options.selectable) return; - if (node != null && this.constants.dragNodes == true) { - this.draggingNodes = true; - this.drag.nodeId = node.id; - // select the clicked node if not yet selected - if (!node.isSelected()) { - this._selectObject(node,false); - } + var selection, + item = ItemSet.itemFromTarget(event); - this.emit("dragStart",{nodeIds:this.getSelection().nodes}); + if (item) { + // multi select items + selection = this.getSelection(); // current selection - // create an array with the selected nodes and their original location and status - for (var objectId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(objectId)) { - var object = this.selectionObj.nodes[objectId]; - var s = { - id: object.id, - node: object, + var shiftKey = event.gesture.touches[0] && event.gesture.touches[0].shiftKey || false; + if (shiftKey) { + // select all items between the old selection and the tapped item - // store original x, y, xFixed and yFixed, make the node temporarily Fixed - x: object.x, - y: object.y, - xFixed: object.xFixed, - yFixed: object.yFixed - }; + // determine the selection range + selection.push(item.id); + var range = ItemSet._getItemRange(this.itemsData.get(selection, this.itemOptions)); - object.xFixed = true; - object.yFixed = true; + // select all items within the selection range + selection = []; + for (var id in this.items) { + if (this.items.hasOwnProperty(id)) { + var _item = this.items[id]; + var start = _item.data.start; + var end = (_item.data.end !== undefined) ? _item.data.end : start; - this.drag.selection.push(s); + if (start >= range.min && end <= range.max) { + selection.push(_item.id); // do not use id but item.id, id itself is stringified + } + } + } + } + else { + // add/remove this item from the current selection + var index = selection.indexOf(item.id); + if (index == -1) { + // item is not yet selected -> select it + selection.push(item.id); + } + else { + // item is already selected -> deselect it + selection.splice(index, 1); } } - } - }; + this.setSelection(selection); - /** - * handle drag event - * @private - */ - Network.prototype._onDrag = function (event) { - this._handleOnDrag(event) + this.body.emitter.emit('select', { + items: this.getSelection() + }); + } }; - /** - * This function is called by _onDrag. - * It is separated out because we can then overload it for the datamanipulation system. - * + * Calculate the time range of a list of items + * @param {Array.} itemsData + * @return {{min: Date, max: Date}} Returns the range of the provided items * @private */ - Network.prototype._handleOnDrag = function(event) { - if (this.drag.pinched) { - return; - } - - // remove the focus on node if it is focussed on by the focusOnNode - this.releaseNode(); - - var pointer = this._getPointer(event.gesture.center); - var me = this; - var drag = this.drag; - var selection = drag.selection; - if (selection && selection.length && this.constants.dragNodes == true) { - // calculate delta's and new location - var deltaX = pointer.x - drag.pointer.x; - var deltaY = pointer.y - drag.pointer.y; + ItemSet._getItemRange = function(itemsData) { + var max = null; + var min = null; - // update position of all selected nodes - selection.forEach(function (s) { - var node = s.node; + itemsData.forEach(function (data) { + if (min == null || data.start < min) { + min = data.start; + } - if (!s.xFixed) { - node.x = me._XconvertDOMtoCanvas(me._XconvertCanvasToDOM(s.x) + deltaX); + if (data.end != undefined) { + if (max == null || data.end > max) { + max = data.end; } - - if (!s.yFixed) { - node.y = me._YconvertDOMtoCanvas(me._YconvertCanvasToDOM(s.y) + deltaY); + } + else { + if (max == null || data.start > max) { + max = data.start; } - }); + } + }); + return { + min: min, + max: max + } + }; - // start _animationStep if not yet running - if (!this.moving) { - this.moving = true; - this.start(); + /** + * Find an item from an event target: + * searches for the attribute 'timeline-item' in the event target's element tree + * @param {Event} event + * @return {Item | null} item + */ + ItemSet.itemFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-item')) { + return target['timeline-item']; } + target = target.parentNode; } - else { - // move the network - if (this.constants.dragNetwork == true) { - // if the drag was not started properly because the click started outside the network div, start it now. - if (this.drag.pointer === undefined) { - this._handleDragStart(event); - return; - } - var diffX = pointer.x - this.drag.pointer.x; - var diffY = pointer.y - this.drag.pointer.y; - this._setTranslation( - this.drag.translation.x + diffX, - this.drag.translation.y + diffY - ); - this._redraw(); + return null; + }; + + /** + * Find the Group from an event target: + * searches for the attribute 'timeline-group' in the event target's element tree + * @param {Event} event + * @return {Group | null} group + */ + ItemSet.groupFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-group')) { + return target['timeline-group']; } + target = target.parentNode; } + + return null; }; /** - * handle drag start event - * @private + * Find the ItemSet from an event target: + * searches for the attribute 'timeline-itemset' in the event target's element tree + * @param {Event} event + * @return {ItemSet | null} item */ - Network.prototype._onDragEnd = function (event) { - this._handleDragEnd(event); + ItemSet.itemSetFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-itemset')) { + return target['timeline-itemset']; + } + target = target.parentNode; + } + + return null; }; + module.exports = ItemSet; - Network.prototype._handleDragEnd = function(event) { - this.drag.dragging = false; - var selection = this.drag.selection; - if (selection && selection.length) { - selection.forEach(function (s) { - // restore original xFixed and yFixed - s.node.xFixed = s.xFixed; - s.node.yFixed = s.yFixed; - }); - this.moving = true; - this.start(); - } - else { - this._redraw(); - } - if (this.draggingNodes == false) { - this.emit("dragEnd",{nodeIds:[]}); - } - else { - this.emit("dragEnd",{nodeIds:this.getSelection().nodes}); - } - } +/***/ }, +/* 27 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var stack = __webpack_require__(28); + var RangeItem = __webpack_require__(29); + /** - * handle tap/click event: select/unselect a node - * @private + * @constructor Group + * @param {Number | String} groupId + * @param {Object} data + * @param {ItemSet} itemSet */ - Network.prototype._onTap = function (event) { - var pointer = this._getPointer(event.gesture.center); - this.pointerPosition = pointer; - this._handleTap(pointer); + function Group (groupId, data, itemSet) { + this.groupId = groupId; + this.subgroups = {}; + this.subgroupIndex = 0; + this.subgroupOrderer = data && data.subgroupOrder; + this.itemSet = itemSet; - }; + this.dom = {}; + this.props = { + label: { + width: 0, + height: 0 + } + }; + this.className = null; + this.items = {}; // items filtered by groupId of this group + this.visibleItems = []; // items currently visible in window + this.orderedItems = { + byStart: [], + byEnd: [] + }; + this.checkRangedItems = false; // needed to refresh the ranged items if the window is programatically changed with NO overlap. + var me = this; + this.itemSet.body.emitter.on("checkRangedItems", function () { + me.checkRangedItems = true; + }) - /** - * handle doubletap event - * @private - */ - Network.prototype._onDoubleTap = function (event) { - var pointer = this._getPointer(event.gesture.center); - this._handleDoubleTap(pointer); - }; + this._create(); + this.setData(data); + } /** - * handle long tap event: multi select nodes + * Create DOM elements for the group * @private */ - Network.prototype._onHold = function (event) { - var pointer = this._getPointer(event.gesture.center); - this.pointerPosition = pointer; - this._handleOnHold(pointer); - }; + Group.prototype._create = function() { + var label = document.createElement('div'); + label.className = 'vlabel'; + this.dom.label = label; - /** - * handle the release of the screen - * - * @private - */ - Network.prototype._onRelease = function (event) { - var pointer = this._getPointer(event.gesture.center); - this._handleOnRelease(pointer); + var inner = document.createElement('div'); + inner.className = 'inner'; + label.appendChild(inner); + this.dom.inner = inner; + + var foreground = document.createElement('div'); + foreground.className = 'group'; + foreground['timeline-group'] = this; + this.dom.foreground = foreground; + + this.dom.background = document.createElement('div'); + this.dom.background.className = 'group'; + + this.dom.axis = document.createElement('div'); + this.dom.axis.className = 'group'; + + // create a hidden marker to detect when the Timelines container is attached + // to the DOM, or the style of a parent of the Timeline is changed from + // display:none is changed to visible. + this.dom.marker = document.createElement('div'); + this.dom.marker.style.visibility = 'hidden'; // TODO: ask jos why this is not none? + this.dom.marker.innerHTML = '?'; + this.dom.background.appendChild(this.dom.marker); }; /** - * Handle pinch event - * @param event - * @private + * Set the group data for this group + * @param {Object} data Group data, can contain properties content and className */ - Network.prototype._onPinch = function (event) { - var pointer = this._getPointer(event.gesture.center); + Group.prototype.setData = function(data) { + // update contents + var content = data && data.content; + if (content instanceof Element) { + this.dom.inner.appendChild(content); + } + else if (content !== undefined && content !== null) { + this.dom.inner.innerHTML = content; + } + else { + this.dom.inner.innerHTML = this.groupId || ''; // groupId can be null + } - this.drag.pinched = true; - if (!('scale' in this.pinch)) { - this.pinch.scale = 1; + // update title + this.dom.label.title = data && data.title || ''; + + if (!this.dom.inner.firstChild) { + util.addClassName(this.dom.inner, 'hidden'); + } + else { + util.removeClassName(this.dom.inner, 'hidden'); } - // TODO: enabled moving while pinching? - var scale = this.pinch.scale * event.gesture.scale; - this._zoom(scale, pointer) + // update className + var className = data && data.className || null; + if (className != this.className) { + if (this.className) { + util.removeClassName(this.dom.label, this.className); + util.removeClassName(this.dom.foreground, this.className); + util.removeClassName(this.dom.background, this.className); + util.removeClassName(this.dom.axis, this.className); + } + util.addClassName(this.dom.label, className); + util.addClassName(this.dom.foreground, className); + util.addClassName(this.dom.background, className); + util.addClassName(this.dom.axis, className); + this.className = className; + } + + // update style + if (this.style) { + util.removeCssText(this.dom.label, this.style); + this.style = null; + } + if (data && data.style) { + util.addCssText(this.dom.label, data.style); + this.style = data.style; + } + }; + + /** + * Get the width of the group label + * @return {number} width + */ + Group.prototype.getLabelWidth = function() { + return this.props.label.width; }; + /** - * Zoom the network in or out - * @param {Number} scale a number around 1, and between 0.01 and 10 - * @param {{x: Number, y: Number}} pointer Position on screen - * @return {Number} appliedScale scale is limited within the boundaries - * @private + * Repaint this group + * @param {{start: number, end: number}} range + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * @param {boolean} [restack=false] Force restacking of all items + * @return {boolean} Returns true if the group is resized */ - Network.prototype._zoom = function(scale, pointer) { - if (this.constants.zoomable == true) { - var scaleOld = this._getScale(); - if (scale < 0.00001) { - scale = 0.00001; - } - if (scale > 10) { - scale = 10; - } + Group.prototype.redraw = function(range, margin, restack) { + var resized = false; - var preScaleDragPointer = null; - if (this.drag !== undefined) { - if (this.drag.dragging == true) { - preScaleDragPointer = this.DOMtoCanvas(this.drag.pointer); - } - } - // + this.frame.canvas.clientHeight / 2 - var translation = this._getTranslation(); + this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); - var scaleFrac = scale / scaleOld; - var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; - var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac; + // force recalculation of the height of the items when the marker height changed + // (due to the Timeline being attached to the DOM or changed from display:none to visible) + var markerHeight = this.dom.marker.clientHeight; + if (markerHeight != this.lastMarkerHeight) { + this.lastMarkerHeight = markerHeight; - this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), - "y" : this._YconvertDOMtoCanvas(pointer.y)}; + util.forEach(this.items, function (item) { + item.dirty = true; + if (item.displayed) item.redraw(); + }); - this._setScale(scale); - this._setTranslation(tx, ty); - this.updateClustersDefault(); + restack = true; + } - if (preScaleDragPointer != null) { - var postScaleDragPointer = this.canvasToDOM(preScaleDragPointer); - this.drag.pointer.x = postScaleDragPointer.x; - this.drag.pointer.y = postScaleDragPointer.y; - } + // reposition visible items vertically + if (this.itemSet.options.stack) { // TODO: ugly way to access options... + stack.stack(this.visibleItems, margin, restack); + } + else { // no stacking + stack.nostack(this.visibleItems, margin, this.subgroups); + } - this._redraw(); + // recalculate the height of the group + var height = this._calculateHeight(margin); - if (scaleOld < scale) { - this.emit("zoom", {direction:"+"}); - } - else { - this.emit("zoom", {direction:"-"}); - } + // calculate actual size and position + var foreground = this.dom.foreground; + this.top = foreground.offsetTop; + this.left = foreground.offsetLeft; + this.width = foreground.offsetWidth; + resized = util.updateProperty(this, 'height', height) || resized; - return scale; + // recalculate size of label + resized = util.updateProperty(this.props.label, 'width', this.dom.inner.clientWidth) || resized; + resized = util.updateProperty(this.props.label, 'height', this.dom.inner.clientHeight) || resized; + + // apply new height + this.dom.background.style.height = height + 'px'; + this.dom.foreground.style.height = height + 'px'; + this.dom.label.style.height = height + 'px'; + + // update vertical position of items after they are re-stacked and the height of the group is calculated + for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { + var item = this.visibleItems[i]; + item.repositionY(margin); } - }; + return resized; + }; /** - * Event handler for mouse wheel event, used to zoom the timeline - * See http://adomas.org/javascript-mouse-wheel/ - * https://github.com/EightMedia/hammer.js/issues/256 - * @param {MouseEvent} event + * recalculate the height of the group + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * @returns {number} Returns the height * @private */ - Network.prototype._onMouseWheel = function(event) { - // retrieve delta - var delta = 0; - if (event.wheelDelta) { /* IE/Opera. */ - delta = event.wheelDelta/120; - } else if (event.detail) { /* Mozilla case. */ - // In Mozilla, sign of delta is different than in IE. - // Also, delta is multiple of 3. - delta = -event.detail/3; - } - - // If delta is nonzero, handle it. - // Basically, delta is now positive if wheel was scrolled up, - // and negative, if wheel was scrolled down. - if (delta) { - - // calculate the new scale - var scale = this._getScale(); - var zoom = delta / 10; - if (delta < 0) { - zoom = zoom / (1 - zoom); + Group.prototype._calculateHeight = function (margin) { + // recalculate the height of the group + var height; + var visibleItems = this.visibleItems; + //var visibleSubgroups = []; + //this.visibleSubgroups = 0; + this.resetSubgroups(); + var me = this; + if (visibleItems.length) { + var min = visibleItems[0].top; + var max = visibleItems[0].top + visibleItems[0].height; + util.forEach(visibleItems, function (item) { + min = Math.min(min, item.top); + max = Math.max(max, (item.top + item.height)); + if (item.data.subgroup !== undefined) { + me.subgroups[item.data.subgroup].height = Math.max(me.subgroups[item.data.subgroup].height,item.height); + me.subgroups[item.data.subgroup].visible = true; + //if (visibleSubgroups.indexOf(item.data.subgroup) == -1){ + // visibleSubgroups.push(item.data.subgroup); + // me.visibleSubgroups += 1; + //} + } + }); + if (min > margin.axis) { + // there is an empty gap between the lowest item and the axis + var offset = min - margin.axis; + max -= offset; + util.forEach(visibleItems, function (item) { + item.top -= offset; + }); } - scale *= (1 + zoom); - - // calculate the pointer location - var gesture = hammerUtil.fakeGesture(this, event); - var pointer = this._getPointer(gesture.center); - - // apply the new scale - this._zoom(scale, pointer); + height = max + margin.item.vertical / 2; + } + else { + height = margin.axis + margin.item.vertical; } + height = Math.max(height, this.props.label.height); - // Prevent default actions caused by mouse wheel. - event.preventDefault(); + return height; }; - /** - * Mouse move handler for checking whether the title moves over a node with a title. - * @param {Event} event - * @private + * Show this group: attach to the DOM */ - Network.prototype._onMouseMoveTitle = function (event) { - var gesture = hammerUtil.fakeGesture(this, event); - var pointer = this._getPointer(gesture.center); + Group.prototype.show = function() { + if (!this.dom.label.parentNode) { + this.itemSet.dom.labelSet.appendChild(this.dom.label); + } - // check if the previously selected node is still selected - if (this.popupObj) { - this._checkHidePopup(pointer); + if (!this.dom.foreground.parentNode) { + this.itemSet.dom.foreground.appendChild(this.dom.foreground); } - // start a timeout that will check if the mouse is positioned above - // an element - var me = this; - var checkShow = function() { - me._checkShowPopup(pointer); - }; - if (this.popupTimer) { - clearInterval(this.popupTimer); // stop any running calculationTimer + if (!this.dom.background.parentNode) { + this.itemSet.dom.background.appendChild(this.dom.background); } - if (!this.drag.dragging) { - this.popupTimer = setTimeout(checkShow, this.constants.tooltip.delay); + + if (!this.dom.axis.parentNode) { + this.itemSet.dom.axis.appendChild(this.dom.axis); } + }; + /** + * Hide this group: remove from the DOM + */ + Group.prototype.hide = function() { + var label = this.dom.label; + if (label.parentNode) { + label.parentNode.removeChild(label); + } - /** - * Adding hover highlights - */ - if (this.constants.hover == true) { - // removing all hover highlights - for (var edgeId in this.hoverObj.edges) { - if (this.hoverObj.edges.hasOwnProperty(edgeId)) { - this.hoverObj.edges[edgeId].hover = false; - delete this.hoverObj.edges[edgeId]; - } - } + var foreground = this.dom.foreground; + if (foreground.parentNode) { + foreground.parentNode.removeChild(foreground); + } - // adding hover highlights - var obj = this._getNodeAt(pointer); - if (obj == null) { - obj = this._getEdgeAt(pointer); - } - if (obj != null) { - this._hoverObject(obj); - } + var background = this.dom.background; + if (background.parentNode) { + background.parentNode.removeChild(background); + } - // removing all node hover highlights except for the selected one. - for (var nodeId in this.hoverObj.nodes) { - if (this.hoverObj.nodes.hasOwnProperty(nodeId)) { - if (obj instanceof Node && obj.id != nodeId || obj instanceof Edge || obj == null) { - this._blurObject(this.hoverObj.nodes[nodeId]); - delete this.hoverObj.nodes[nodeId]; - } - } - } - this.redraw(); + var axis = this.dom.axis; + if (axis.parentNode) { + axis.parentNode.removeChild(axis); } }; /** - * Check if there is an element on the given position in the network - * (a node or edge). If so, and if this element has a title, - * show a popup window with its title. - * - * @param {{x:Number, y:Number}} pointer - * @private + * Add an item to the group + * @param {Item} item */ - Network.prototype._checkShowPopup = function (pointer) { - var obj = { - left: this._XconvertDOMtoCanvas(pointer.x), - top: this._YconvertDOMtoCanvas(pointer.y), - right: this._XconvertDOMtoCanvas(pointer.x), - bottom: this._YconvertDOMtoCanvas(pointer.y) - }; - - var id; - var lastPopupNode = this.popupObj; - var nodeUnderCursor = false; + Group.prototype.add = function(item) { + this.items[item.id] = item; + item.setParent(this); - if (this.popupObj == undefined) { - // search the nodes for overlap, select the top one in case of multiple nodes - var nodes = this.nodes; - var overlappingNodes = []; - for (id in nodes) { - if (nodes.hasOwnProperty(id)) { - var node = nodes[id]; - if (node.isOverlappingWith(obj)) { - if (node.getTitle() !== undefined) { - overlappingNodes.push(id); - } - } - } + // add to + if (item.data.subgroup !== undefined) { + if (this.subgroups[item.data.subgroup] === undefined) { + this.subgroups[item.data.subgroup] = {height:0, visible: false, index:this.subgroupIndex, items: []}; + this.subgroupIndex++; } + this.subgroups[item.data.subgroup].items.push(item); + } + this.orderSubgroups(); - if (overlappingNodes.length > 0) { - // if there are overlapping nodes, select the last one, this is the - // one which is drawn on top of the others - this.popupObj = this.nodes[overlappingNodes[overlappingNodes.length - 1]]; - // if you hover over a node, the title of the edge is not supposed to be shown. - nodeUnderCursor = true; - } + if (this.visibleItems.indexOf(item) == -1) { + var range = this.itemSet.body.range; // TODO: not nice accessing the range like this + this._checkIfVisible(item, this.visibleItems, range); } + }; - if (this.popupObj === undefined && nodeUnderCursor == false) { - // search the edges for overlap - var edges = this.edges; - var overlappingEdges = []; - for (id in edges) { - if (edges.hasOwnProperty(id)) { - var edge = edges[id]; - if (edge.connected && (edge.getTitle() !== undefined) && - edge.isOverlappingWith(obj)) { - overlappingEdges.push(id); - } + Group.prototype.orderSubgroups = function() { + if (this.subgroupOrderer !== undefined) { + var sortArray = []; + if (typeof this.subgroupOrderer == 'string') { + for (var subgroup in this.subgroups) { + sortArray.push({subgroup: subgroup, sortField: this.subgroups[subgroup].items[0].data[this.subgroupOrderer]}) } + sortArray.sort(function (a, b) { + return a.sortField - b.sortField; + }) } - - if (overlappingEdges.length > 0) { - this.popupObj = this.edges[overlappingEdges[overlappingEdges.length - 1]]; + else if (typeof this.subgroupOrderer == 'function') { + for (var subgroup in this.subgroups) { + sortArray.push(this.subgroups[subgroup].items[0].data); + } + sortArray.sort(this.subgroupOrderer); } - } - if (this.popupObj) { - // show popup message window - if (this.popupObj != lastPopupNode) { - var me = this; - if (!me.popup) { - me.popup = new Popup(me.frame, me.constants.tooltip); + if (sortArray.length > 0) { + for (var i = 0; i < sortArray.length; i++) { + this.subgroups[sortArray[i].subgroup].index = i; } - - // adjust a small offset such that the mouse cursor is located in the - // bottom left location of the popup, and you can easily move over the - // popup area - me.popup.setPosition(pointer.x - 3, pointer.y - 3); - me.popup.setText(me.popupObj.getTitle()); - me.popup.show(); } } - else { - if (this.popup) { - this.popup.hide(); + }; + + Group.prototype.resetSubgroups = function() { + for (var subgroup in this.subgroups) { + if (this.subgroups.hasOwnProperty(subgroup)) { + this.subgroups[subgroup].visible = false; } } }; - /** - * Check if the popup must be hided, which is the case when the mouse is no - * longer hovering on the object - * @param {{x:Number, y:Number}} pointer - * @private + * Remove an item from the group + * @param {Item} item */ - Network.prototype._checkHidePopup = function (pointer) { - if (!this.popupObj || !this._getNodeAt(pointer) ) { - this.popupObj = undefined; - if (this.popup) { - this.popup.hide(); - } - } + Group.prototype.remove = function(item) { + delete this.items[item.id]; + item.setParent(null); + + // remove from visible items + var index = this.visibleItems.indexOf(item); + if (index != -1) this.visibleItems.splice(index, 1); + + // TODO: also remove from ordered items? }; /** - * Set a new size for the network - * @param {string} width Width in pixels or percentage (for example '800px' - * or '50%') - * @param {string} height Height in pixels or percentage (for example '400px' - * or '30%') + * Remove an item from the corresponding DataSet + * @param {Item} item */ - Network.prototype.setSize = function(width, height) { - var emitEvent = false; - var oldWidth = this.frame.canvas.width; - var oldHeight = this.frame.canvas.height; - if (width != this.constants.width || height != this.constants.height || this.frame.style.width != width || this.frame.style.height != height) { - this.frame.style.width = width; - this.frame.style.height = height; - - this.frame.canvas.style.width = '100%'; - this.frame.canvas.style.height = '100%'; - - this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; - this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; + Group.prototype.removeFromDataSet = function(item) { + this.itemSet.removeItem(item.id); + }; - this.constants.width = width; - this.constants.height = height; - emitEvent = true; - } - else { - // this would adapt the width of the canvas to the width from 100% if and only if - // there is a change. + /** + * Reorder the items + */ + Group.prototype.order = function() { + var array = util.toArray(this.items); + var startArray = []; + var endArray = []; - if (this.frame.canvas.width != this.frame.canvas.clientWidth * this.pixelRatio) { - this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; - emitEvent = true; - } - if (this.frame.canvas.height != this.frame.canvas.clientHeight * this.pixelRatio) { - this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; - emitEvent = true; + for (var i = 0; i < array.length; i++) { + if (array[i].data.end !== undefined) { + endArray.push(array[i]); } + startArray.push(array[i]); } + this.orderedItems = { + byStart: startArray, + byEnd: endArray + }; - if (emitEvent == true) { - this.emit('resize', {width:this.frame.canvas.width * this.pixelRatio,height:this.frame.canvas.height * this.pixelRatio, oldWidth: oldWidth * this.pixelRatio, oldHeight: oldHeight * this.pixelRatio}); - } + stack.orderByStart(this.orderedItems.byStart); + stack.orderByEnd(this.orderedItems.byEnd); }; + /** - * Set a data set with nodes for the network - * @param {Array | DataSet | DataView} nodes The data containing the nodes. + * Update the visible items + * @param {{byStart: Item[], byEnd: Item[]}} orderedItems All items ordered by start date and by end date + * @param {Item[]} visibleItems The previously visible items. + * @param {{start: number, end: number}} range Visible range + * @return {Item[]} visibleItems The new visible items. * @private */ - Network.prototype._setNodes = function(nodes) { - var oldNodesData = this.nodesData; + Group.prototype._updateVisibleItems = function(orderedItems, oldVisibleItems, range) { + var visibleItems = []; + var visibleItemsLookup = {}; // we keep this to quickly look up if an item already exists in the list without using indexOf on visibleItems + var interval = (range.end - range.start) / 4; + var lowerBound = range.start - interval; + var upperBound = range.end + interval; + var item, i; - if (nodes instanceof DataSet || nodes instanceof DataView) { - this.nodesData = nodes; + // this function is used to do the binary search. + var searchFunction = function (value) { + if (value < lowerBound) {return -1;} + else if (value <= upperBound) {return 0;} + else {return 1;} } - else if (Array.isArray(nodes)) { - this.nodesData = new DataSet(); - this.nodesData.add(nodes); + + // first check if the items that were in view previously are still in view. + // IMPORTANT: this handles the case for the items with startdate before the window and enddate after the window! + // also cleans up invisible items. + if (oldVisibleItems.length > 0) { + for (i = 0; i < oldVisibleItems.length; i++) { + this._checkIfVisibleWithReference(oldVisibleItems[i], visibleItems, visibleItemsLookup, range); + } } - else if (!nodes) { - this.nodesData = new DataSet(); + + // we do a binary search for the items that have only start values. + var initialPosByStart = util.binarySearchCustom(orderedItems.byStart, searchFunction, 'data','start'); + + // trace the visible items from the inital start pos both ways until an invisible item is found, we only look at the start values. + this._traceVisible(initialPosByStart, orderedItems.byStart, visibleItems, visibleItemsLookup, function (item) { + return (item.data.start < lowerBound || item.data.start > upperBound); + }); + + // if the window has changed programmatically without overlapping the old window, the ranged items with start < lowerBound and end > upperbound are not shown. + // We therefore have to brute force check all items in the byEnd list + if (this.checkRangedItems == true) { + this.checkRangedItems = false; + for (i = 0; i < orderedItems.byEnd.length; i++) { + this._checkIfVisibleWithReference(orderedItems.byEnd[i], visibleItems, visibleItemsLookup, range); + } } else { - throw new TypeError('Array or DataSet expected'); + // we do a binary search for the items that have defined end times. + var initialPosByEnd = util.binarySearchCustom(orderedItems.byEnd, searchFunction, 'data','end'); + + // trace the visible items from the inital start pos both ways until an invisible item is found, we only look at the end values. + this._traceVisible(initialPosByEnd, orderedItems.byEnd, visibleItems, visibleItemsLookup, function (item) { + return (item.data.end < lowerBound || item.data.end > upperBound); + }); + } + + + // finally, we reposition all the visible items. + for (i = 0; i < visibleItems.length; i++) { + item = visibleItems[i]; + if (!item.displayed) item.show(); + // reposition item horizontally + item.repositionX(); } - if (oldNodesData) { - // unsubscribe from old dataset - util.forEach(this.nodesListeners, function (callback, event) { - oldNodesData.off(event, callback); - }); - } + // debug + //console.log("new line") + //if (this.groupId == null) { + // for (i = 0; i < orderedItems.byStart.length; i++) { + // item = orderedItems.byStart[i].data; + // console.log('start',i,initialPosByStart, item.start.valueOf(), item.content, item.start >= lowerBound && item.start <= upperBound,i == initialPosByStart ? "<------------------- HEREEEE" : "") + // } + // for (i = 0; i < orderedItems.byEnd.length; i++) { + // item = orderedItems.byEnd[i].data; + // console.log('rangeEnd',i,initialPosByEnd, item.end.valueOf(), item.content, item.end >= range.start && item.end <= range.end,i == initialPosByEnd ? "<------------------- HEREEEE" : "") + // } + //} - // remove drawn nodes - this.nodes = {}; + return visibleItems; + }; - if (this.nodesData) { - // subscribe to new dataset - var me = this; - util.forEach(this.nodesListeners, function (callback, event) { - me.nodesData.on(event, callback); - }); + Group.prototype._traceVisible = function (initialPos, items, visibleItems, visibleItemsLookup, breakCondition) { + var item; + var i; - // draw all new nodes - var ids = this.nodesData.getIds(); - this._addNodes(ids); - } - this._updateSelection(); - }; + if (initialPos != -1) { + for (i = initialPos; i >= 0; i--) { + item = items[i]; + if (breakCondition(item)) { + break; + } + else { + if (visibleItemsLookup[item.id] === undefined) { + visibleItemsLookup[item.id] = true; + visibleItems.push(item); + } + } + } - /** - * Add nodes - * @param {Number[] | String[]} ids - * @private - */ - Network.prototype._addNodes = function(ids) { - var id; - for (var i = 0, len = ids.length; i < len; i++) { - id = ids[i]; - var data = this.nodesData.get(id); - var node = new Node(data, this.images, this.groups, this.constants); - this.nodes[id] = node; // note: this may replace an existing node - if ((node.xFixed == false || node.yFixed == false) && (node.x === null || node.y === null)) { - var radius = 10 * 0.1*ids.length + 10; - var angle = 2 * Math.PI * Math.random(); - if (node.xFixed == false) {node.x = radius * Math.cos(angle);} - if (node.yFixed == false) {node.y = radius * Math.sin(angle);} + for (i = initialPos + 1; i < items.length; i++) { + item = items[i]; + if (breakCondition(item)) { + break; + } + else { + if (visibleItemsLookup[item.id] === undefined) { + visibleItemsLookup[item.id] = true; + visibleItems.push(item); + } + } } - this.moving = true; } + } - this._updateNodeIndexList(); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } - this._updateCalculationNodes(); - this._reconnectEdges(); - this._updateValueRange(this.nodes); - this.updateLabels(); - }; /** - * Update existing nodes, or create them when not yet existing - * @param {Number[] | String[]} ids + * this function is very similar to the _checkIfInvisible() but it does not + * return booleans, hides the item if it should not be seen and always adds to + * the visibleItems. + * this one is for brute forcing and hiding. + * + * @param {Item} item + * @param {Array} visibleItems + * @param {{start:number, end:number}} range * @private */ - Network.prototype._updateNodes = function(ids,changedData) { - var nodes = this.nodes; - for (var i = 0, len = ids.length; i < len; i++) { - var id = ids[i]; - var node = nodes[id]; - var data = changedData[i]; - if (node) { - // update node - node.setProperties(data, this.constants); + Group.prototype._checkIfVisible = function(item, visibleItems, range) { + if (item.isVisible(range)) { + if (!item.displayed) item.show(); + // reposition item horizontally + item.repositionX(); + visibleItems.push(item); } else { - // create node - node = new Node(properties, this.images, this.groups, this.constants); - nodes[id] = node; + if (item.displayed) item.hide(); } - } - this.moving = true; - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } - this._updateNodeIndexList(); - this._updateValueRange(nodes); }; + /** - * Remove existing nodes. If nodes do not exist, the method will just ignore it. - * @param {Number[] | String[]} ids + * this function is very similar to the _checkIfInvisible() but it does not + * return booleans, hides the item if it should not be seen and always adds to + * the visibleItems. + * this one is for brute forcing and hiding. + * + * @param {Item} item + * @param {Array} visibleItems + * @param {{start:number, end:number}} range * @private */ - Network.prototype._removeNodes = function(ids) { - var nodes = this.nodes; - for (var i = 0, len = ids.length; i < len; i++) { - var id = ids[i]; - delete nodes[id]; + Group.prototype._checkIfVisibleWithReference = function(item, visibleItems, visibleItemsLookup, range) { + if (item.isVisible(range)) { + if (visibleItemsLookup[item.id] === undefined) { + visibleItemsLookup[item.id] = true; + visibleItems.push(item); + } } - this._updateNodeIndexList(); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); + else { + if (item.displayed) item.hide(); } - this._updateCalculationNodes(); - this._reconnectEdges(); - this._updateSelection(); - this._updateValueRange(nodes); }; - /** - * Load edges by reading the data table - * @param {Array | DataSet | DataView} edges The data containing the edges. - * @private - * @private - */ - Network.prototype._setEdges = function(edges) { - var oldEdgesData = this.edgesData; - if (edges instanceof DataSet || edges instanceof DataView) { - this.edgesData = edges; - } - else if (Array.isArray(edges)) { - this.edgesData = new DataSet(); - this.edgesData.add(edges); - } - else if (!edges) { - this.edgesData = new DataSet(); - } - else { - throw new TypeError('Array or DataSet expected'); - } - if (oldEdgesData) { - // unsubscribe from old dataset - util.forEach(this.edgesListeners, function (callback, event) { - oldEdgesData.off(event, callback); - }); - } + module.exports = Group; - // remove drawn edges - this.edges = {}; - if (this.edgesData) { - // subscribe to new dataset - var me = this; - util.forEach(this.edgesListeners, function (callback, event) { - me.edgesData.on(event, callback); - }); +/***/ }, +/* 28 */ +/***/ function(module, exports, __webpack_require__) { - // draw all new nodes - var ids = this.edgesData.getIds(); - this._addEdges(ids); - } + // Utility functions for ordering and stacking of items + var EPSILON = 0.001; // used when checking collisions, to prevent round-off errors - this._reconnectEdges(); + /** + * Order items by their start data + * @param {Item[]} items + */ + exports.orderByStart = function(items) { + items.sort(function (a, b) { + return a.data.start - b.data.start; + }); }; /** - * Add edges - * @param {Number[] | String[]} ids - * @private + * Order items by their end date. If they have no end date, their start date + * is used. + * @param {Item[]} items */ - Network.prototype._addEdges = function (ids) { - var edges = this.edges, - edgesData = this.edgesData; - - for (var i = 0, len = ids.length; i < len; i++) { - var id = ids[i]; - - var oldEdge = edges[id]; - if (oldEdge) { - oldEdge.disconnect(); - } + exports.orderByEnd = function(items) { + items.sort(function (a, b) { + var aTime = ('end' in a.data) ? a.data.end : a.data.start, + bTime = ('end' in b.data) ? b.data.end : b.data.start; - var data = edgesData.get(id, {"showInternalIds" : true}); - edges[id] = new Edge(data, this, this.constants); - } - this.moving = true; - this._updateValueRange(edges); - this._createBezierNodes(); - this._updateCalculationNodes(); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } + return aTime - bTime; + }); }; /** - * Update existing edges, or create them when not yet existing - * @param {Number[] | String[]} ids - * @private + * Adjust vertical positions of the items such that they don't overlap each + * other. + * @param {Item[]} items + * All visible items + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * Margins between items and between items and the axis. + * @param {boolean} [force=false] + * If true, all items will be repositioned. If false (default), only + * items having a top===null will be re-stacked */ - Network.prototype._updateEdges = function (ids) { - var edges = this.edges, - edgesData = this.edgesData; - for (var i = 0, len = ids.length; i < len; i++) { - var id = ids[i]; + exports.stack = function(items, margin, force) { + var i, iMax; - var data = edgesData.get(id); - var edge = edges[id]; - if (edge) { - // update edge - edge.disconnect(); - edge.setProperties(data, this.constants); - edge.connect(); - } - else { - // create edge - edge = new Edge(data, this, this.constants); - this.edges[id] = edge; + if (force) { + // reset top position of all items + for (i = 0, iMax = items.length; i < iMax; i++) { + items[i].top = null; } } - this._createBezierNodes(); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); + // calculate new, non-overlapping positions + for (i = 0, iMax = items.length; i < iMax; i++) { + var item = items[i]; + if (item.stack && item.top === null) { + // initialize top position + item.top = margin.axis; + + do { + // TODO: optimize checking for overlap. when there is a gap without items, + // you only need to check for items from the next item on, not from zero + var collidingItem = null; + for (var j = 0, jj = items.length; j < jj; j++) { + var other = items[j]; + if (other.top !== null && other !== item && other.stack && exports.collision(item, other, margin.item)) { + collidingItem = other; + break; + } + } + + if (collidingItem != null) { + // There is a collision. Reposition the items above the colliding element + item.top = collidingItem.top + collidingItem.height + margin.item.vertical; + } + } while (collidingItem); + } } - this.moving = true; - this._updateValueRange(edges); }; + /** - * Remove existing edges. Non existing ids will be ignored - * @param {Number[] | String[]} ids - * @private + * Adjust vertical positions of the items without stacking them + * @param {Item[]} items + * All visible items + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * Margins between items and between items and the axis. */ - Network.prototype._removeEdges = function (ids) { - var edges = this.edges; - for (var i = 0, len = ids.length; i < len; i++) { - var id = ids[i]; - var edge = edges[id]; - if (edge) { - if (edge.via != null) { - delete this.sectors['support']['nodes'][edge.via.id]; + exports.nostack = function(items, margin, subgroups) { + var i, iMax, newTop; + + // reset top position of all items + for (i = 0, iMax = items.length; i < iMax; i++) { + if (items[i].data.subgroup !== undefined) { + newTop = margin.axis; + for (var subgroup in subgroups) { + if (subgroups.hasOwnProperty(subgroup)) { + if (subgroups[subgroup].visible == true && subgroups[subgroup].index < subgroups[items[i].data.subgroup].index) { + newTop += subgroups[subgroup].height + margin.item.vertical; + } + } } - edge.disconnect(); - delete edges[id]; + items[i].top = newTop; + } + else { + items[i].top = margin.axis; } } + }; - this.moving = true; - this._updateValueRange(edges); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } - this._updateCalculationNodes(); + /** + * Test if the two provided items collide + * The items must have parameters left, width, top, and height. + * @param {Item} a The first item + * @param {Item} b The second item + * @param {{horizontal: number, vertical: number}} margin + * An object containing a horizontal and vertical + * minimum required margin. + * @return {boolean} true if a and b collide, else false + */ + exports.collision = function(a, b, margin) { + return ((a.left - margin.horizontal + EPSILON) < (b.left + b.width) && + (a.left + a.width + margin.horizontal - EPSILON) > b.left && + (a.top - margin.vertical + EPSILON) < (b.top + b.height) && + (a.top + a.height + margin.vertical - EPSILON) > b.top); }; + +/***/ }, +/* 29 */ +/***/ function(module, exports, __webpack_require__) { + + var Hammer = __webpack_require__(19); + var Item = __webpack_require__(30); + /** - * Reconnect all edges - * @private + * @constructor RangeItem + * @extends Item + * @param {Object} data Object containing parameters start, end + * content, className. + * @param {{toScreen: function, toTime: function}} conversion + * Conversion functions from time to screen and vice versa + * @param {Object} [options] Configuration options + * // TODO: describe options */ - Network.prototype._reconnectEdges = function() { - var id, - nodes = this.nodes, - edges = this.edges; - for (id in nodes) { - if (nodes.hasOwnProperty(id)) { - nodes[id].edges = []; - nodes[id].dynamicEdges = []; + function RangeItem (data, conversion, options) { + this.props = { + content: { + width: 0 } - } + }; + this.overflow = false; // if contents can overflow (css styling), this flag is set to true - for (id in edges) { - if (edges.hasOwnProperty(id)) { - var edge = edges[id]; - edge.from = null; - edge.to = null; - edge.connect(); + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data.id); + } + if (data.end == undefined) { + throw new Error('Property "end" missing in item ' + data.id); } } + + Item.call(this, data, conversion, options); + } + + RangeItem.prototype = new Item (null, null, null); + + RangeItem.prototype.baseClassName = 'item range'; + + /** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ + RangeItem.prototype.isVisible = function(range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); }; /** - * Update the values of all object in the given array according to the current - * value range of the objects in the array. - * @param {Object} obj An object containing a set of Edges or Nodes - * The objects must have a method getValue() and - * setValueRange(min, max). - * @private + * Repaint the item */ - Network.prototype._updateValueRange = function(obj) { - var id; + RangeItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - // determine the range of the objects - var valueMin = undefined; - var valueMax = undefined; - for (id in obj) { - if (obj.hasOwnProperty(id)) { - var value = obj[id].getValue(); - if (value !== undefined) { - valueMin = (valueMin === undefined) ? value : Math.min(value, valueMin); - valueMax = (valueMax === undefined) ? value : Math.max(value, valueMax); - } - } + // background box + dom.box = document.createElement('div'); + // className is updated in redraw() + + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); + + // attach this item as attribute + dom.box['timeline-item'] = this; + + this.dirty = true; } - // adjust the range of all objects - if (valueMin !== undefined && valueMax !== undefined) { - for (id in obj) { - if (obj.hasOwnProperty(id)) { - obj[id].setValueRange(valueMin, valueMax); - } + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); + } + if (!dom.box.parentNode) { + var foreground = this.parent.dom.foreground; + if (!foreground) { + throw new Error('Cannot redraw item: parent has no foreground container element'); } + foreground.appendChild(dom.box); + } + this.displayed = true; + + // Update DOM when item is marked dirty. An item is marked dirty when: + // - the item is not yet rendered + // - the item's data is changed + // - the item is selected/deselected + if (this.dirty) { + this._updateContents(this.dom.content); + this._updateTitle(this.dom.box); + this._updateDataAttributes(this.dom.box); + this._updateStyle(this.dom.box); + + // update class + var className = (this.data.className ? (' ' + this.data.className) : '') + + (this.selected ? ' selected' : ''); + dom.box.className = this.baseClassName + className; + + // determine from css whether this box has overflow + this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; + + // recalculate size + // turn off max-width to be able to calculate the real width + // this causes an extra browser repaint/reflow, but so be it + this.dom.content.style.maxWidth = 'none'; + this.props.content.width = this.dom.content.offsetWidth; + this.height = this.dom.box.offsetHeight; + this.dom.content.style.maxWidth = ''; + + this.dirty = false; } + + this._repaintDeleteButton(dom.box); + this._repaintDragLeft(); + this._repaintDragRight(); }; /** - * Redraw the network with the current data - * chart will be resized too. + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. */ - Network.prototype.redraw = function() { - this.setSize(this.constants.width, this.constants.height); - this._redraw(); + RangeItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); + } }; /** - * Redraw the network with the current data - * @param hidden | used to get the first estimate of the node sizes. only the nodes are drawn after which they are quickly drawn over. - * @private + * Hide the item from the DOM (when visible) + * @return {Boolean} changed */ - Network.prototype._redraw = function(hidden) { - var ctx = this.frame.canvas.getContext('2d'); + RangeItem.prototype.hide = function() { + if (this.displayed) { + var box = this.dom.box; - ctx.setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); + if (box.parentNode) { + box.parentNode.removeChild(box); + } - // clear the canvas - var w = this.frame.canvas.width * this.pixelRatio; - var h = this.frame.canvas.height * this.pixelRatio; - ctx.clearRect(0, 0, w, h); + this.top = null; + this.left = null; - // set scaling and translation - ctx.save(); - ctx.translate(this.translation.x, this.translation.y); - ctx.scale(this.scale, this.scale); + this.displayed = false; + } + }; - this.canvasTopLeft = { - "x": this._XconvertDOMtoCanvas(0), - "y": this._YconvertDOMtoCanvas(0) - }; - this.canvasBottomRight = { - "x": this._XconvertDOMtoCanvas(this.frame.canvas.clientWidth * this.pixelRatio), - "y": this._YconvertDOMtoCanvas(this.frame.canvas.clientHeight * this.pixelRatio) - }; + /** + * Reposition the item horizontally + * @Override + */ + RangeItem.prototype.repositionX = function() { + var parentWidth = this.parent.width; + var start = this.conversion.toScreen(this.data.start); + var end = this.conversion.toScreen(this.data.end); + var contentLeft; + var contentWidth; - if (!(hidden == true)) { - this._doInAllSectors("_drawAllSectorNodes", ctx); - if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideEdgesOnDrag == false) { - this._doInAllSectors("_drawEdges", ctx); - } + // limit the width of the this, as browsers cannot draw very wide divs + if (start < -parentWidth) { + start = -parentWidth; } - - if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideNodesOnDrag == false) { - this._doInAllSectors("_drawNodes",ctx,false); + if (end > 2 * parentWidth) { + end = 2 * parentWidth; } + var boxWidth = Math.max(end - start, 1); - if (!(hidden == true)) { - if (this.controlNodesActive == true) { - this._doInAllSectors("_drawControlNodes", ctx); - } + if (this.overflow) { + this.left = start; + this.width = boxWidth + this.props.content.width; + contentWidth = this.props.content.width; + + // Note: The calculation of width is an optimistic calculation, giving + // a width which will not change when moving the Timeline + // So no re-stacking needed, which is nicer for the eye; + } + else { + this.left = start; + this.width = boxWidth; + contentWidth = Math.min(end - start - 2 * this.options.padding, this.props.content.width); } - // this._doInSupportSector("_drawNodes",ctx,true); - // this._drawTree(ctx,"#F00F0F"); + this.dom.box.style.left = this.left + 'px'; + this.dom.box.style.width = boxWidth + 'px'; - // restore original scaling and translation - ctx.restore(); + switch (this.options.align) { + case 'left': + this.dom.content.style.left = '0'; + break; - if (hidden == true) { - ctx.clearRect(0, 0, w, h); + case 'right': + this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding), 0) + 'px'; + break; + + case 'center': + this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding) / 2, 0) + 'px'; + break; + + default: // 'auto' + // when range exceeds left of the window, position the contents at the left of the visible area + if (this.overflow) { + if (end > 0) { + contentLeft = Math.max(-start, 0); + } + else { + contentLeft = -contentWidth; // ensure it's not visible anymore + } + } + else { + if (start < 0) { + contentLeft = Math.min(-start, + (end - start - contentWidth - 2 * this.options.padding)); + // TODO: remove the need for options.padding. it's terrible. + } + else { + contentLeft = 0; + } + } + this.dom.content.style.left = contentLeft + 'px'; } }; /** - * Set the translation of the network - * @param {Number} offsetX Horizontal offset - * @param {Number} offsetY Vertical offset - * @private + * Reposition the item vertically + * @Override */ - Network.prototype._setTranslation = function(offsetX, offsetY) { - if (this.translation === undefined) { - this.translation = { - x: 0, - y: 0 - }; - } + RangeItem.prototype.repositionY = function() { + var orientation = this.options.orientation, + box = this.dom.box; - if (offsetX !== undefined) { - this.translation.x = offsetX; + if (orientation == 'top') { + box.style.top = this.top + 'px'; } - if (offsetY !== undefined) { - this.translation.y = offsetY; + else { + box.style.top = (this.parent.height - this.top - this.height) + 'px'; } - - this.emit('viewChanged'); }; /** - * Get the translation of the network - * @return {Object} translation An object with parameters x and y, both a number - * @private + * Repaint a drag area on the left side of the range when the range is selected + * @protected */ - Network.prototype._getTranslation = function() { - return { - x: this.translation.x, - y: this.translation.y - }; - }; + RangeItem.prototype._repaintDragLeft = function () { + if (this.selected && this.options.editable.updateTime && !this.dom.dragLeft) { + // create and show drag area + var dragLeft = document.createElement('div'); + dragLeft.className = 'drag-left'; + dragLeft.dragLeftItem = this; - /** - * Scale the network - * @param {Number} scale Scaling factor 1.0 is unscaled - * @private - */ - Network.prototype._setScale = function(scale) { - this.scale = scale; - }; + // TODO: this should be redundant? + Hammer(dragLeft, { + preventDefault: true + }).on('drag', function () { + //console.log('drag left') + }); - /** - * Get the current scale of the network - * @return {Number} scale Scaling factor 1.0 is unscaled - * @private - */ - Network.prototype._getScale = function() { - return this.scale; + this.dom.box.appendChild(dragLeft); + this.dom.dragLeft = dragLeft; + } + else if (!this.selected && this.dom.dragLeft) { + // delete drag area + if (this.dom.dragLeft.parentNode) { + this.dom.dragLeft.parentNode.removeChild(this.dom.dragLeft); + } + this.dom.dragLeft = null; + } }; /** - * Convert the X coordinate in DOM-space (coordinate point in browser relative to the container div) to - * the X coordinate in canvas-space (the simulation sandbox, which the camera looks upon) - * @param {number} x - * @returns {number} - * @private + * Repaint a drag area on the right side of the range when the range is selected + * @protected */ - Network.prototype._XconvertDOMtoCanvas = function(x) { - return (x - this.translation.x) / this.scale; - }; + RangeItem.prototype._repaintDragRight = function () { + if (this.selected && this.options.editable.updateTime && !this.dom.dragRight) { + // create and show drag area + var dragRight = document.createElement('div'); + dragRight.className = 'drag-right'; + dragRight.dragRightItem = this; - /** - * Convert the X coordinate in canvas-space (the simulation sandbox, which the camera looks upon) to - * the X coordinate in DOM-space (coordinate point in browser relative to the container div) - * @param {number} x - * @returns {number} - * @private - */ - Network.prototype._XconvertCanvasToDOM = function(x) { - return x * this.scale + this.translation.x; + // TODO: this should be redundant? + Hammer(dragRight, { + preventDefault: true + }).on('drag', function () { + //console.log('drag right') + }); + + this.dom.box.appendChild(dragRight); + this.dom.dragRight = dragRight; + } + else if (!this.selected && this.dom.dragRight) { + // delete drag area + if (this.dom.dragRight.parentNode) { + this.dom.dragRight.parentNode.removeChild(this.dom.dragRight); + } + this.dom.dragRight = null; + } }; + module.exports = RangeItem; + + +/***/ }, +/* 30 */ +/***/ function(module, exports, __webpack_require__) { + + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); + /** - * Convert the Y coordinate in DOM-space (coordinate point in browser relative to the container div) to - * the Y coordinate in canvas-space (the simulation sandbox, which the camera looks upon) - * @param {number} y - * @returns {number} - * @private + * @constructor Item + * @param {Object} data Object containing (optional) parameters type, + * start, end, content, group, className. + * @param {{toScreen: function, toTime: function}} conversion + * Conversion functions from time to screen and vice versa + * @param {Object} options Configuration options + * // TODO: describe available options */ - Network.prototype._YconvertDOMtoCanvas = function(y) { - return (y - this.translation.y) / this.scale; - }; + function Item (data, conversion, options) { + this.id = null; + this.parent = null; + this.data = data; + this.dom = null; + this.conversion = conversion || {}; + this.options = options || {}; + + this.selected = false; + this.displayed = false; + this.dirty = true; + + this.top = null; + this.left = null; + this.width = null; + this.height = null; + } + + Item.prototype.stack = true; /** - * Convert the Y coordinate in canvas-space (the simulation sandbox, which the camera looks upon) to - * the Y coordinate in DOM-space (coordinate point in browser relative to the container div) - * @param {number} y - * @returns {number} - * @private + * Select current item */ - Network.prototype._YconvertCanvasToDOM = function(y) { - return y * this.scale + this.translation.y ; + Item.prototype.select = function() { + this.selected = true; + this.dirty = true; + if (this.displayed) this.redraw(); }; - /** - * - * @param {object} pos = {x: number, y: number} - * @returns {{x: number, y: number}} - * @constructor + * Unselect current item */ - Network.prototype.canvasToDOM = function (pos) { - return {x: this._XconvertCanvasToDOM(pos.x), y: this._YconvertCanvasToDOM(pos.y)}; + Item.prototype.unselect = function() { + this.selected = false; + this.dirty = true; + if (this.displayed) this.redraw(); }; /** - * - * @param {object} pos = {x: number, y: number} - * @returns {{x: number, y: number}} - * @constructor + * Set data for the item. Existing data will be updated. The id should not + * be changed. When the item is displayed, it will be redrawn immediately. + * @param {Object} data */ - Network.prototype.DOMtoCanvas = function (pos) { - return {x: this._XconvertDOMtoCanvas(pos.x), y: this._YconvertDOMtoCanvas(pos.y)}; + Item.prototype.setData = function(data) { + this.data = data; + this.dirty = true; + if (this.displayed) this.redraw(); }; /** - * Redraw all nodes - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @param {Boolean} [alwaysShow] - * @private + * Set a parent for the item + * @param {ItemSet | Group} parent */ - Network.prototype._drawNodes = function(ctx,alwaysShow) { - if (alwaysShow === undefined) { - alwaysShow = false; - } - - // first draw the unselected nodes - var nodes = this.nodes; - var selected = []; - - for (var id in nodes) { - if (nodes.hasOwnProperty(id)) { - nodes[id].setScaleAndPos(this.scale,this.canvasTopLeft,this.canvasBottomRight); - if (nodes[id].isSelected()) { - selected.push(id); - } - else { - if (nodes[id].inArea() || alwaysShow) { - nodes[id].draw(ctx); - } - } + Item.prototype.setParent = function(parent) { + if (this.displayed) { + this.hide(); + this.parent = parent; + if (this.parent) { + this.show(); } } - - // draw the selected nodes on top - for (var s = 0, sMax = selected.length; s < sMax; s++) { - if (nodes[selected[s]].inArea() || alwaysShow) { - nodes[selected[s]].draw(ctx); - } + else { + this.parent = parent; } }; /** - * Redraw all edges - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @private + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible */ - Network.prototype._drawEdges = function(ctx) { - var edges = this.edges; - for (var id in edges) { - if (edges.hasOwnProperty(id)) { - var edge = edges[id]; - edge.setScale(this.scale); - if (edge.connected) { - edges[id].draw(ctx); - } - } - } + Item.prototype.isVisible = function(range) { + // Should be implemented by Item implementations + return false; }; /** - * Redraw all edges - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @private + * Show the Item in the DOM (when not already visible) + * @return {Boolean} changed */ - Network.prototype._drawControlNodes = function(ctx) { - var edges = this.edges; - for (var id in edges) { - if (edges.hasOwnProperty(id)) { - edges[id]._drawControlNodes(ctx); - } - } + Item.prototype.show = function() { + return false; }; /** - * Find a stable position for all nodes - * @private + * Hide the Item from the DOM (when visible) + * @return {Boolean} changed */ - Network.prototype._stabilize = function() { - if (this.constants.freezeForStabilization == true) { - this._freezeDefinedNodes(); - } - - // find stable position - var count = 0; - while (this.moving && count < this.constants.stabilizationIterations) { - this._physicsTick(); - count++; - } - - if (this.constants.zoomExtentOnStabilize == true) { - this.zoomExtent(undefined, false, true); - } - - if (this.constants.freezeForStabilization == true) { - this._restoreFrozenNodes(); - } + Item.prototype.hide = function() { + return false; }; /** - * When initializing and stabilizing, we can freeze nodes with a predefined position. This greatly speeds up stabilization - * because only the supportnodes for the smoothCurves have to settle. - * - * @private + * Repaint the item */ - Network.prototype._freezeDefinedNodes = function() { - var nodes = this.nodes; - for (var id in nodes) { - if (nodes.hasOwnProperty(id)) { - if (nodes[id].x != null && nodes[id].y != null) { - nodes[id].fixedData.x = nodes[id].xFixed; - nodes[id].fixedData.y = nodes[id].yFixed; - nodes[id].xFixed = true; - nodes[id].yFixed = true; - } - } - } + Item.prototype.redraw = function() { + // should be implemented by the item }; /** - * Unfreezes the nodes that have been frozen by _freezeDefinedNodes. - * - * @private + * Reposition the Item horizontally */ - Network.prototype._restoreFrozenNodes = function() { - var nodes = this.nodes; - for (var id in nodes) { - if (nodes.hasOwnProperty(id)) { - if (nodes[id].fixedData.x != null) { - nodes[id].xFixed = nodes[id].fixedData.x; - nodes[id].yFixed = nodes[id].fixedData.y; - } - } - } + Item.prototype.repositionX = function() { + // should be implemented by the item }; + /** + * Reposition the Item vertically + */ + Item.prototype.repositionY = function() { + // should be implemented by the item + }; /** - * Check if any of the nodes is still moving - * @param {number} vmin the minimum velocity considered as 'moving' - * @return {boolean} true if moving, false if non of the nodes is moving - * @private + * Repaint a delete button on the top right of the item when the item is selected + * @param {HTMLElement} anchor + * @protected */ - Network.prototype._isMoving = function(vmin) { - var nodes = this.nodes; - for (var id in nodes) { - if (nodes.hasOwnProperty(id) && nodes[id].isMoving(vmin)) { - return true; + Item.prototype._repaintDeleteButton = function (anchor) { + if (this.selected && this.options.editable.remove && !this.dom.deleteButton) { + // create and show button + var me = this; + + var deleteButton = document.createElement('div'); + deleteButton.className = 'delete'; + deleteButton.title = 'Delete this item'; + + Hammer(deleteButton, { + preventDefault: true + }).on('tap', function (event) { + me.parent.removeFromDataSet(me); + event.stopPropagation(); + }); + + anchor.appendChild(deleteButton); + this.dom.deleteButton = deleteButton; + } + else if (!this.selected && this.dom.deleteButton) { + // remove button + if (this.dom.deleteButton.parentNode) { + this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton); } + this.dom.deleteButton = null; } - return false; }; - /** - * /** - * Perform one discrete step for all nodes - * + * Set HTML contents for the item + * @param {Element} element HTML element to fill with the contents * @private */ - Network.prototype._discreteStepNodes = function() { - var interval = this.physicsDiscreteStepsize; - var nodes = this.nodes; - var nodeId; - var nodesPresent = false; - - if (this.constants.maxVelocity > 0) { - for (nodeId in nodes) { - if (nodes.hasOwnProperty(nodeId)) { - nodes[nodeId].discreteStepLimited(interval, this.constants.maxVelocity); - nodesPresent = true; - } - } + Item.prototype._updateContents = function (element) { + var content; + if (this.options.template) { + var itemData = this.parent.itemSet.itemsData.get(this.id); // get a clone of the data from the dataset + content = this.options.template(itemData); } else { - for (nodeId in nodes) { - if (nodes.hasOwnProperty(nodeId)) { - nodes[nodeId].discreteStep(interval); - nodesPresent = true; - } - } + content = this.data.content; } - if (nodesPresent == true) { - var vminCorrected = this.constants.minVelocity / Math.max(this.scale,0.05); - if (vminCorrected > 0.5*this.constants.maxVelocity) { - return true; + if(content !== this.content) { + // only replace the content when changed + if (content instanceof Element) { + element.innerHTML = ''; + element.appendChild(content); + } + else if (content != undefined) { + element.innerHTML = content; } else { - return this._isMoving(vminCorrected); + if (!(this.data.type == 'background' && this.data.content === undefined)) { + throw new Error('Property "content" missing in item ' + this.id); + } } + + this.content = content; } - return false; }; - - Network.prototype._revertPhysicsState = function() { - var nodes = this.nodes; - for (var nodeId in nodes) { - if (nodes.hasOwnProperty(nodeId)) { - nodes[nodeId].revertPosition(); - } + /** + * Set HTML contents for the item + * @param {Element} element HTML element to fill with the contents + * @private + */ + Item.prototype._updateTitle = function (element) { + if (this.data.title != null) { + element.title = this.data.title || ''; } - } - - Network.prototype._revertPhysicsTick = function() { - this._doInAllActiveSectors("_revertPhysicsState"); - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - this._doInSupportSector("_revertPhysicsState"); + else { + element.removeAttribute('title'); } - } + }; /** - * A single simulation step (or "tick") in the physics simulation - * + * Process dataAttributes timeline option and set as data- attributes on dom.content + * @param {Element} element HTML element to which the attributes will be attached * @private */ - Network.prototype._physicsTick = function() { - if (!this.freezeSimulation) { - if (this.moving == true) { - var mainMovingStatus = false; - var supportMovingStatus = false; - - this._doInAllActiveSectors("_initializeForceCalculation"); - var mainMoving = this._doInAllActiveSectors("_discreteStepNodes"); - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - supportMovingStatus = this._doInSupportSector("_discreteStepNodes"); - } + Item.prototype._updateDataAttributes = function(element) { + if (this.options.dataAttributes && this.options.dataAttributes.length > 0) { + var attributes = []; - // gather movement data from all sectors, if one moves, we are NOT stabilzied - for (var i = 0; i < mainMoving.length; i++) {mainMovingStatus = mainMoving[0] || mainMovingStatus;} + if (Array.isArray(this.options.dataAttributes)) { + attributes = this.options.dataAttributes; + } + else if (this.options.dataAttributes == 'all') { + attributes = Object.keys(this.data); + } + else { + return; + } - // determine if the network has stabilzied - this.moving = mainMovingStatus || supportMovingStatus; + for (var i = 0; i < attributes.length; i++) { + var name = attributes[i]; + var value = this.data[name]; - if (this.moving == false) { - this._revertPhysicsTick(); + if (value != null) { + element.setAttribute('data-' + name, value); } else { - // this is here to ensure that there is no start event when the network is already stable. - if (this.startedStabilization == false) { - this.emit("startStabilization"); - this.startedStabilization = true; - } + element.removeAttribute('data-' + name); } - - this.stabilizationIterations++; } } }; - /** - * This function runs one step of the animation. It calls an x amount of physics ticks and one render tick. - * It reschedules itself at the beginning of the function - * + * Update custom styles of the element + * @param element * @private */ - Network.prototype._animationStep = function() { - // reset the timer so a new scheduled animation step can be set - this.timer = undefined; + Item.prototype._updateStyle = function(element) { + // remove old styles + if (this.style) { + util.removeCssText(element, this.style); + this.style = null; + } - // handle the keyboad movement - this._handleNavigation(); + // append new styles + if (this.data.style) { + util.addCssText(element, this.data.style); + this.style = this.data.style; + } + }; - var startTime = Date.now(); - this._physicsTick(); - var physicsTime = Date.now() - startTime; + module.exports = Item; - // run double speed if it is a little graph - if ((this.renderTimestep - this.renderTime > 2 * physicsTime || this.runDoubleSpeed == true) && this.moving == true) { - this._physicsTick(); - // this makes sure there is no jitter. The decision is taken once to run it at double speed. - if (this.renderTime != 0) { - this.runDoubleSpeed = true - } - } +/***/ }, +/* 31 */ +/***/ function(module, exports, __webpack_require__) { - var renderStartTime = Date.now(); - this._redraw(); - this.renderTime = Date.now() - renderStartTime; + var util = __webpack_require__(1); + var Group = __webpack_require__(27); - // this schedules a new animation step - this.start(); - }; + /** + * @constructor BackgroundGroup + * @param {Number | String} groupId + * @param {Object} data + * @param {ItemSet} itemSet + */ + function BackgroundGroup (groupId, data, itemSet) { + Group.call(this, groupId, data, itemSet); - if (typeof window !== 'undefined') { - window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || - window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; + this.width = 0; + this.height = 0; + this.top = 0; + this.left = 0; } + BackgroundGroup.prototype = Object.create(Group.prototype); + /** - * Schedule a animation step with the refreshrate interval. + * Repaint this group + * @param {{start: number, end: number}} range + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * @param {boolean} [restack=false] Force restacking of all items + * @return {boolean} Returns true if the group is resized */ - Network.prototype.start = function() { - if (this.moving == true || this.xIncrement != 0 || this.yIncrement != 0 || this.zoomIncrement != 0) { - if (!this.timer) { - if (this.requiresTimeout == true) { - this.timer = window.setTimeout(this._animationStep.bind(this), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function - } - else { - this.timer = window.requestAnimationFrame(this._animationStep.bind(this)); // wait this.renderTimeStep milliseconds and perform the animation step function - } - } - } - else { - this._redraw(); - // this check is to ensure that the network does not emit these events if it was already stabilized and setOptions is called (setting moving to true and calling start()) - if (this.stabilizationIterations > 1) { - // trigger the "stabilized" event. - // The event is triggered on the next tick, to prevent the case that - // it is fired while initializing the Network, in which case you would not - // be able to catch it - var me = this; - var params = { - iterations: me.stabilizationIterations - }; - this.stabilizationIterations = 0; - this.startedStabilization = false; - setTimeout(function () { - me.emit("stabilized", params); - }, 0); - } - else { - this.stabilizationIterations = 0; - } - } - }; + BackgroundGroup.prototype.redraw = function(range, margin, restack) { + var resized = false; + this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); - /** - * Move the network according to the keyboard presses. - * - * @private - */ - Network.prototype._handleNavigation = function() { - if (this.xIncrement != 0 || this.yIncrement != 0) { - var translation = this._getTranslation(); - this._setTranslation(translation.x+this.xIncrement, translation.y+this.yIncrement); - } - if (this.zoomIncrement != 0) { - var center = { - x: this.frame.canvas.clientWidth / 2, - y: this.frame.canvas.clientHeight / 2 - }; - this._zoom(this.scale*(1 + this.zoomIncrement), center); - } - }; + // calculate actual size + this.width = this.dom.background.offsetWidth; + // apply new height (just always zero for BackgroundGroup + this.dom.background.style.height = '0'; - /** - * Freeze the _animationStep - */ - Network.prototype.toggleFreeze = function() { - if (this.freezeSimulation == false) { - this.freezeSimulation = true; - } - else { - this.freezeSimulation = false; - this.start(); + // update vertical position of items after they are re-stacked and the height of the group is calculated + for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { + var item = this.visibleItems[i]; + item.repositionY(margin); } - }; + return resized; + }; /** - * This function cleans the support nodes if they are not needed and adds them when they are. - * - * @param {boolean} [disableStart] - * @private + * Show this group: attach to the DOM */ - Network.prototype._configureSmoothCurves = function(disableStart) { - if (disableStart === undefined) { - disableStart = true; - } - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - this._createBezierNodes(); - // cleanup unused support nodes - for (var nodeId in this.sectors['support']['nodes']) { - if (this.sectors['support']['nodes'].hasOwnProperty(nodeId)) { - if (this.edges[this.sectors['support']['nodes'][nodeId].parentEdgeId] === undefined) { - delete this.sectors['support']['nodes'][nodeId]; - } - } - } - } - else { - // delete the support nodes - this.sectors['support']['nodes'] = {}; - for (var edgeId in this.edges) { - if (this.edges.hasOwnProperty(edgeId)) { - this.edges[edgeId].via = null; - } - } + BackgroundGroup.prototype.show = function() { + if (!this.dom.background.parentNode) { + this.itemSet.dom.background.appendChild(this.dom.background); } + }; + module.exports = BackgroundGroup; - this._updateCalculationNodes(); - if (!disableStart) { - this.moving = true; - this.start(); - } - }; +/***/ }, +/* 32 */ +/***/ function(module, exports, __webpack_require__) { + + var Item = __webpack_require__(30); + var util = __webpack_require__(1); /** - * Bezier curves require an anchor point to calculate the smooth flow. These points are nodes. These nodes are invisible but - * are used for the force calculation. - * - * @private + * @constructor BoxItem + * @extends Item + * @param {Object} data Object containing parameters start + * content, className. + * @param {{toScreen: function, toTime: function}} conversion + * Conversion functions from time to screen and vice versa + * @param {Object} [options] Configuration options + * // TODO: describe available options */ - Network.prototype._createBezierNodes = function() { - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - for (var edgeId in this.edges) { - if (this.edges.hasOwnProperty(edgeId)) { - var edge = this.edges[edgeId]; - if (edge.via == null) { - var nodeId = "edgeId:".concat(edge.id); - this.sectors['support']['nodes'][nodeId] = new Node( - {id:nodeId, - mass:1, - shape:'circle', - image:"", - internalMultiplier:1 - },{},{},this.constants); - edge.via = this.sectors['support']['nodes'][nodeId]; - edge.via.parentEdgeId = edge.id; - edge.positionBezierNode(); - } - } + function BoxItem (data, conversion, options) { + this.props = { + dot: { + width: 0, + height: 0 + }, + line: { + width: 0, + height: 0 } - } - }; + }; - /** - * load the functions that load the mixins into the prototype. - * - * @private - */ - Network.prototype._initializeMixinLoaders = function () { - for (var mixin in MixinLoader) { - if (MixinLoader.hasOwnProperty(mixin)) { - Network.prototype[mixin] = MixinLoader[mixin]; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); } } - }; + + Item.call(this, data, conversion, options); + } + + BoxItem.prototype = new Item (null, null, null); /** - * Load the XY positions of the nodes into the dataset. + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible */ - Network.prototype.storePosition = function() { - console.log("storePosition is depricated: use .storePositions() from now on.") - this.storePositions(); + BoxItem.prototype.isVisible = function(range) { + // determine visibility + // TODO: account for the real width of the item. Right now we just add 1/4 to the window + var interval = (range.end - range.start) / 4; + return (this.data.start > range.start - interval) && (this.data.start < range.end + interval); }; /** - * Load the XY positions of the nodes into the dataset. + * Repaint the item */ - Network.prototype.storePositions = function() { - var dataArray = []; - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - var node = this.nodes[nodeId]; - var allowedToMoveX = !this.nodes.xFixed; - var allowedToMoveY = !this.nodes.yFixed; - if (this.nodesData._data[nodeId].x != Math.round(node.x) || this.nodesData._data[nodeId].y != Math.round(node.y)) { - dataArray.push({id:nodeId,x:Math.round(node.x),y:Math.round(node.y),allowedToMoveX:allowedToMoveX,allowedToMoveY:allowedToMoveY}); - } - } + BoxItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; + + // create main box + dom.box = document.createElement('DIV'); + + // contents box (inside the background box). used for making margins + dom.content = document.createElement('DIV'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); + + // line to axis + dom.line = document.createElement('DIV'); + dom.line.className = 'line'; + + // dot on axis + dom.dot = document.createElement('DIV'); + dom.dot.className = 'dot'; + + // attach this item as attribute + dom.box['timeline-item'] = this; + + this.dirty = true; } - this.nodesData.update(dataArray); - }; - /** - * Return the positions of the nodes. - */ - Network.prototype.getPositions = function(ids) { - var dataArray = {}; - if (ids !== undefined) { - if (Array.isArray(ids) == true) { - for (var i = 0; i < ids.length; i++) { - if (this.nodes[ids[i]] !== undefined) { - var node = this.nodes[ids[i]]; - dataArray[ids[i]] = {x: Math.round(node.x), y: Math.round(node.y)}; - } - } - } - else { - if (this.nodes[ids] !== undefined) { - var node = this.nodes[ids]; - dataArray[ids] = {x: Math.round(node.x), y: Math.round(node.y)}; - } - } + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); } - else { - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - var node = this.nodes[nodeId]; - dataArray[nodeId] = {x: Math.round(node.x), y: Math.round(node.y)}; - } - } + if (!dom.box.parentNode) { + var foreground = this.parent.dom.foreground; + if (!foreground) throw new Error('Cannot redraw item: parent has no foreground container element'); + foreground.appendChild(dom.box); } - return dataArray; - }; - + if (!dom.line.parentNode) { + var background = this.parent.dom.background; + if (!background) throw new Error('Cannot redraw item: parent has no background container element'); + background.appendChild(dom.line); + } + if (!dom.dot.parentNode) { + var axis = this.parent.dom.axis; + if (!background) throw new Error('Cannot redraw item: parent has no axis container element'); + axis.appendChild(dom.dot); + } + this.displayed = true; + // Update DOM when item is marked dirty. An item is marked dirty when: + // - the item is not yet rendered + // - the item's data is changed + // - the item is selected/deselected + if (this.dirty) { + this._updateContents(this.dom.content); + this._updateTitle(this.dom.box); + this._updateDataAttributes(this.dom.box); + this._updateStyle(this.dom.box); - /** - * Center a node in view. - * - * @param {Number} nodeId - * @param {Number} [options] - */ - Network.prototype.focusOnNode = function (nodeId, options) { - if (this.nodes.hasOwnProperty(nodeId)) { - if (options === undefined) { - options = {}; - } - var nodePosition = {x: this.nodes[nodeId].x, y: this.nodes[nodeId].y}; - options.position = nodePosition; - options.lockedOnNode = nodeId; + // update class + var className = (this.data.className? ' ' + this.data.className : '') + + (this.selected ? ' selected' : ''); + dom.box.className = 'item box' + className; + dom.line.className = 'item line' + className; + dom.dot.className = 'item dot' + className; - this.moveTo(options) - } - else { - console.log("This nodeId cannot be found."); + // recalculate size + this.props.dot.height = dom.dot.offsetHeight; + this.props.dot.width = dom.dot.offsetWidth; + this.props.line.width = dom.line.offsetWidth; + this.width = dom.box.offsetWidth; + this.height = dom.box.offsetHeight; + + this.dirty = false; } + + this._repaintDeleteButton(dom.box); }; /** - * - * @param {Object} options | options.offset = {x:Number, y:Number} // offset from the center in DOM pixels - * | options.scale = Number // scale to move to - * | options.position = {x:Number, y:Number} // position to move to - * | options.animation = {duration:Number, easingFunction:String} || Boolean // position to move to + * Show the item in the DOM (when not already displayed). The items DOM will + * be created when needed. */ - Network.prototype.moveTo = function (options) { - if (options === undefined) { - options = {}; - return; + BoxItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); } - if (options.offset === undefined) {options.offset = {x: 0, y: 0}; } - if (options.offset.x === undefined) {options.offset.x = 0; } - if (options.offset.y === undefined) {options.offset.y = 0; } - if (options.scale === undefined) {options.scale = this._getScale(); } - if (options.position === undefined) {options.position = this._getTranslation();} - if (options.animation === undefined) {options.animation = {duration:0}; } - if (options.animation === false ) {options.animation = {duration:0}; } - if (options.animation === true ) {options.animation = {}; } - if (options.animation.duration === undefined) {options.animation.duration = 1000; } // default duration - if (options.animation.easingFunction === undefined) {options.animation.easingFunction = "easeInOutQuad"; } // default easing function - - this.animateView(options); }; /** - * - * @param {Object} options | options.offset = {x:Number, y:Number} // offset from the center in DOM pixels - * | options.time = Number // animation time in milliseconds - * | options.scale = Number // scale to animate to - * | options.position = {x:Number, y:Number} // position to animate to - * | options.easingFunction = String // linear, easeInQuad, easeOutQuad, easeInOutQuad, - * // easeInCubic, easeOutCubic, easeInOutCubic, - * // easeInQuart, easeOutQuart, easeInOutQuart, - * // easeInQuint, easeOutQuint, easeInOutQuint + * Hide the item from the DOM (when visible) */ - Network.prototype.animateView = function (options) { - if (options === undefined) { - options = {}; - return; - } + BoxItem.prototype.hide = function() { + if (this.displayed) { + var dom = this.dom; - // release if something focussed on the node - this.releaseNode(); - if (options.locked == true) { - this.lockedOnNodeId = options.lockedOnNode; - this.lockedOnNodeOffset = options.offset; - } + if (dom.box.parentNode) dom.box.parentNode.removeChild(dom.box); + if (dom.line.parentNode) dom.line.parentNode.removeChild(dom.line); + if (dom.dot.parentNode) dom.dot.parentNode.removeChild(dom.dot); - // forcefully complete the old animation if it was still running - if (this.easingTime != 0) { - this._transitionRedraw(1); // by setting easingtime to 1, we finish the animation. - } + this.top = null; + this.left = null; - this.sourceScale = this._getScale(); - this.sourceTranslation = this._getTranslation(); - this.targetScale = options.scale; + this.displayed = false; + } + }; - // set the scale so the viewCenter is based on the correct zoom level. This is overridden in the transitionRedraw - // but at least then we'll have the target transition - this._setScale(this.targetScale); - var viewCenter = this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); - var distanceFromCenter = { // offset from view, distance view has to change by these x and y to center the node - x: viewCenter.x - options.position.x, - y: viewCenter.y - options.position.y - }; - this.targetTranslation = { - x: this.sourceTranslation.x + distanceFromCenter.x * this.targetScale + options.offset.x, - y: this.sourceTranslation.y + distanceFromCenter.y * this.targetScale + options.offset.y - }; + /** + * Reposition the item horizontally + * @Override + */ + BoxItem.prototype.repositionX = function() { + var start = this.conversion.toScreen(this.data.start); + var align = this.options.align; + var left; + var box = this.dom.box; + var line = this.dom.line; + var dot = this.dom.dot; - // if the time is set to 0, don't do an animation - if (options.animation.duration == 0) { - if (this.lockedOnNodeId != null) { - this._classicRedraw = this._redraw; - this._redraw = this._lockedRedraw; - } - else { - this._setScale(this.targetScale); - this._setTranslation(this.targetTranslation.x, this.targetTranslation.y); - this._redraw(); - } + // calculate left position of the box + if (align == 'right') { + this.left = start - this.width; + } + else if (align == 'left') { + this.left = start; } else { - this.animationSpeed = 1 / (this.renderRefreshRate * options.animation.duration * 0.001) || 1 / this.renderRefreshRate; - this.animationEasingFunction = options.animation.easingFunction; - this._classicRedraw = this._redraw; - this._redraw = this._transitionRedraw; - this._redraw(); - this.moving = true; - this.start(); + // default or 'center' + this.left = start - this.width / 2; } + + // reposition box + box.style.left = this.left + 'px'; + + // reposition line + line.style.left = (start - this.props.line.width / 2) + 'px'; + + // reposition dot + dot.style.left = (start - this.props.dot.width / 2) + 'px'; }; /** - * used to animate smoothly by hijacking the redraw function. - * @private + * Reposition the item vertically + * @Override */ - Network.prototype._lockedRedraw = function () { - var nodePosition = {x: this.nodes[this.lockedOnNodeId].x, y: this.nodes[this.lockedOnNodeId].y}; - var viewCenter = this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); - var distanceFromCenter = { // offset from view, distance view has to change by these x and y to center the node - x: viewCenter.x - nodePosition.x, - y: viewCenter.y - nodePosition.y - }; - var sourceTranslation = this._getTranslation(); - var targetTranslation = { - x: sourceTranslation.x + distanceFromCenter.x * this.scale + this.lockedOnNodeOffset.x, - y: sourceTranslation.y + distanceFromCenter.y * this.scale + this.lockedOnNodeOffset.y - }; + BoxItem.prototype.repositionY = function() { + var orientation = this.options.orientation; + var box = this.dom.box; + var line = this.dom.line; + var dot = this.dom.dot; - this._setTranslation(targetTranslation.x,targetTranslation.y); - this._classicRedraw(); - } + if (orientation == 'top') { + box.style.top = (this.top || 0) + 'px'; - Network.prototype.releaseNode = function () { - if (this.lockedOnNodeId != null) { - this._redraw = this._classicRedraw; - this.lockedOnNodeId = null; - this.lockedOnNodeOffset = null; + line.style.top = '0'; + line.style.height = (this.parent.top + this.top + 1) + 'px'; + line.style.bottom = ''; } - } + else { // orientation 'bottom' + var itemSetHeight = this.parent.itemSet.props.height; // TODO: this is nasty + var lineHeight = itemSetHeight - this.parent.top - this.parent.height + this.top; - /** - * - * @param easingTime - * @private - */ - Network.prototype._transitionRedraw = function (easingTime) { - this.easingTime = easingTime || this.easingTime + this.animationSpeed; - this.easingTime += this.animationSpeed; + box.style.top = (this.parent.height - this.top - this.height || 0) + 'px'; + line.style.top = (itemSetHeight - lineHeight) + 'px'; + line.style.bottom = '0'; + } - var progress = util.easingFunctions[this.animationEasingFunction](this.easingTime); + dot.style.top = (-this.props.dot.height / 2) + 'px'; + }; - this._setScale(this.sourceScale + (this.targetScale - this.sourceScale) * progress); - this._setTranslation( - this.sourceTranslation.x + (this.targetTranslation.x - this.sourceTranslation.x) * progress, - this.sourceTranslation.y + (this.targetTranslation.y - this.sourceTranslation.y) * progress - ); + module.exports = BoxItem; - this._classicRedraw(); - this.moving = true; - // cleanup - if (this.easingTime >= 1.0) { - this.easingTime = 0; - if (this.lockedOnNodeId != null) { - this._redraw = this._lockedRedraw; - } - else { - this._redraw = this._classicRedraw; - } - this.emit("animationFinished"); - } - }; +/***/ }, +/* 33 */ +/***/ function(module, exports, __webpack_require__) { - Network.prototype._classicRedraw = function () { - // placeholder function to be overloaded by animations; - }; + var Item = __webpack_require__(30); /** - * Returns true when the Network is active. - * @returns {boolean} + * @constructor PointItem + * @extends Item + * @param {Object} data Object containing parameters start + * content, className. + * @param {{toScreen: function, toTime: function}} conversion + * Conversion functions from time to screen and vice versa + * @param {Object} [options] Configuration options + * // TODO: describe available options */ - Network.prototype.isActive = function () { - return !this.activator || this.activator.active; - }; + function PointItem (data, conversion, options) { + this.props = { + dot: { + top: 0, + width: 0, + height: 0 + }, + content: { + height: 0, + marginLeft: 0 + } + }; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } + } - /** - * Sets the scale - * @returns {Number} - */ - Network.prototype.setScale = function () { - return this._setScale(); - }; + Item.call(this, data, conversion, options); + } + PointItem.prototype = new Item (null, null, null); /** - * Returns the scale - * @returns {Number} + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible */ - Network.prototype.getScale = function () { - return this._getScale(); + PointItem.prototype.isVisible = function(range) { + // determine visibility + // TODO: account for the real width of the item. Right now we just add 1/4 to the window + var interval = (range.end - range.start) / 4; + return (this.data.start > range.start - interval) && (this.data.start < range.end + interval); }; - /** - * Returns the scale - * @returns {Number} + * Repaint the item */ - Network.prototype.getCenterCoordinates = function () { - return this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); - }; - - - Network.prototype.getBoundingBox = function(nodeId) { - if (this.nodes[nodeId] !== undefined) { - return this.nodes[nodeId].boundingBox; - } - } + PointItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - module.exports = Network; + // background box + dom.point = document.createElement('div'); + // className is updated in redraw() + // contents box, right from the dot + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.point.appendChild(dom.content); -/***/ }, -/* 37 */ -/***/ function(module, exports, __webpack_require__) { + // dot at start + dom.dot = document.createElement('div'); + dom.point.appendChild(dom.dot); - var util = __webpack_require__(1); - var Node = __webpack_require__(40); + // attach this item as attribute + dom.point['timeline-item'] = this; - /** - * @class Edge - * - * A edge connects two nodes - * @param {Object} properties Object with properties. Must contain - * At least properties from and to. - * Available properties: from (number), - * to (number), label (string, color (string), - * width (number), style (string), - * length (number), title (string) - * @param {Network} network A Network object, used to find and edge to - * nodes. - * @param {Object} constants An object with default values for - * example for the color - */ - function Edge (properties, network, networkConstants) { - if (!network) { - throw "No network provided"; + this.dirty = true; } - var fields = ['edges','physics']; - var constants = util.selectiveBridgeObject(fields,networkConstants); - this.options = constants.edges; - this.physics = constants.physics; - this.options['smoothCurves'] = networkConstants['smoothCurves']; - - - this.network = network; - // initialize variables - this.id = undefined; - this.fromId = undefined; - this.toId = undefined; - this.title = undefined; - this.widthSelected = this.options.width * this.options.widthSelectionMultiplier; - this.value = undefined; - this.selected = false; - this.hover = false; - this.labelDimensions = {top:0,left:0,width:0,height:0,yLine:0}; // could be cached - this.dirtyLabel = true; + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); + } + if (!dom.point.parentNode) { + var foreground = this.parent.dom.foreground; + if (!foreground) { + throw new Error('Cannot redraw item: parent has no foreground container element'); + } + foreground.appendChild(dom.point); + } + this.displayed = true; - this.from = null; // a node - this.to = null; // a node - this.via = null; // a temp node + // Update DOM when item is marked dirty. An item is marked dirty when: + // - the item is not yet rendered + // - the item's data is changed + // - the item is selected/deselected + if (this.dirty) { + this._updateContents(this.dom.content); + this._updateTitle(this.dom.point); + this._updateDataAttributes(this.dom.point); + this._updateStyle(this.dom.point); - this.fromBackup = null; // used to clean up after reconnect - this.toBackup = null;; // used to clean up after reconnect + // update class + var className = (this.data.className? ' ' + this.data.className : '') + + (this.selected ? ' selected' : ''); + dom.point.className = 'item point' + className; + dom.dot.className = 'item dot' + className; - // we use this to be able to reconnect the edge to a cluster if its node is put into a cluster - // by storing the original information we can revert to the original connection when the cluser is opened. - this.originalFromId = []; - this.originalToId = []; + // recalculate size + this.width = dom.point.offsetWidth; + this.height = dom.point.offsetHeight; + this.props.dot.width = dom.dot.offsetWidth; + this.props.dot.height = dom.dot.offsetHeight; + this.props.content.height = dom.content.offsetHeight; - this.connected = false; + // resize contents + dom.content.style.marginLeft = 2 * this.props.dot.width + 'px'; + //dom.content.style.marginRight = ... + 'px'; // TODO: margin right - this.widthFixed = false; - this.lengthFixed = false; + dom.dot.style.top = ((this.height - this.props.dot.height) / 2) + 'px'; + dom.dot.style.left = (this.props.dot.width / 2) + 'px'; - this.setProperties(properties); + this.dirty = false; + } - this.controlNodesEnabled = false; - this.controlNodes = {from:null, to:null, positions:{}}; - this.connectedNode = null; - } + this._repaintDeleteButton(dom.point); + }; /** - * Set or overwrite properties for the edge - * @param {Object} properties an object with properties - * @param {Object} constants and object with default, global properties + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. */ - Edge.prototype.setProperties = function(properties) { - if (!properties) { - return; + PointItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); } + }; - var fields = ['style','fontSize','fontFace','fontColor','fontFill','fontStrokeWidth','fontStrokeColor','width', - 'widthSelectionMultiplier','hoverWidth','arrowScaleFactor','dash','inheritColor','labelAlignment' - ]; - util.selectiveDeepExtend(fields, this.options, properties); - - if (properties.from !== undefined) {this.fromId = properties.from;} - if (properties.to !== undefined) {this.toId = properties.to;} - - if (properties.id !== undefined) {this.id = properties.id;} - if (properties.label !== undefined) {this.label = properties.label; this.dirtyLabel = true;} + /** + * Hide the item from the DOM (when visible) + */ + PointItem.prototype.hide = function() { + if (this.displayed) { + if (this.dom.point.parentNode) { + this.dom.point.parentNode.removeChild(this.dom.point); + } - if (properties.title !== undefined) {this.title = properties.title;} - if (properties.value !== undefined) {this.value = properties.value;} - if (properties.length !== undefined) {this.physics.springLength = properties.length;} + this.top = null; + this.left = null; - if (properties.color !== undefined) { - this.options.inheritColor = false; - if (util.isString(properties.color)) { - this.options.color.color = properties.color; - this.options.color.highlight = properties.color; - } - else { - if (properties.color.color !== undefined) {this.options.color.color = properties.color.color;} - if (properties.color.highlight !== undefined) {this.options.color.highlight = properties.color.highlight;} - if (properties.color.hover !== undefined) {this.options.color.hover = properties.color.hover;} - } + this.displayed = false; } + }; - // A node is connected when it has a from and to node. - this.connect(); - - this.widthFixed = this.widthFixed || (properties.width !== undefined); - this.lengthFixed = this.lengthFixed || (properties.length !== undefined); + /** + * Reposition the item horizontally + * @Override + */ + PointItem.prototype.repositionX = function() { + var start = this.conversion.toScreen(this.data.start); - this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; + this.left = start - this.props.dot.width; - // set draw method based on style - switch (this.options.style) { - case 'line': this.draw = this._drawLine; break; - case 'arrow': this.draw = this._drawArrow; break; - case 'arrow-center': this.draw = this._drawArrowCenter; break; - case 'dash-line': this.draw = this._drawDashLine; break; - default: this.draw = this._drawLine; break; - } - + // reposition point + this.dom.point.style.left = this.left + 'px'; }; /** - * Connect an edge to its nodes + * Reposition the item vertically + * @Override */ - Edge.prototype.connect = function () { - this.disconnect(); - - this.from = this.network.nodes[this.fromId] || null; - this.to = this.network.nodes[this.toId] || null; - this.connected = (this.from && this.to); + PointItem.prototype.repositionY = function() { + var orientation = this.options.orientation, + point = this.dom.point; - if (this.connected) { - this.from.attachEdge(this); - this.to.attachEdge(this); + if (orientation == 'top') { + point.style.top = this.top + 'px'; } else { - if (this.from) { - this.from.detachEdge(this); + point.style.top = (this.parent.height - this.top - this.height) + 'px'; + } + }; + + module.exports = PointItem; + + +/***/ }, +/* 34 */ +/***/ function(module, exports, __webpack_require__) { + + var Hammer = __webpack_require__(19); + var Item = __webpack_require__(30); + var BackgroundGroup = __webpack_require__(31); + var RangeItem = __webpack_require__(29); + + /** + * @constructor BackgroundItem + * @extends Item + * @param {Object} data Object containing parameters start, end + * content, className. + * @param {{toScreen: function, toTime: function}} conversion + * Conversion functions from time to screen and vice versa + * @param {Object} [options] Configuration options + * // TODO: describe options + */ + // TODO: implement support for the BackgroundItem just having a start, then being displayed as a sort of an annotation + function BackgroundItem (data, conversion, options) { + this.props = { + content: { + width: 0 + } + }; + this.overflow = false; // if contents can overflow (css styling), this flag is set to true + + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data.id); } - if (this.to) { - this.to.detachEdge(this); + if (data.end == undefined) { + throw new Error('Property "end" missing in item ' + data.id); } } - }; - /** - * Disconnect an edge from its nodes - */ - Edge.prototype.disconnect = function () { - if (this.from) { - this.from.detachEdge(this); - this.from = null; - } - if (this.to) { - this.to.detachEdge(this); - this.to = null; - } + Item.call(this, data, conversion, options); - this.connected = false; - }; + this.emptyContent = false; + } - /** - * get the title of this edge. - * @return {string} title The title of the edge, or undefined when no title - * has been set. - */ - Edge.prototype.getTitle = function() { - return typeof this.title === "function" ? this.title() : this.title; - }; + BackgroundItem.prototype = new Item (null, null, null); + BackgroundItem.prototype.baseClassName = 'item background'; + BackgroundItem.prototype.stack = false; /** - * Retrieve the value of the edge. Can be undefined - * @return {Number} value + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible */ - Edge.prototype.getValue = function() { - return this.value; + BackgroundItem.prototype.isVisible = function(range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); }; /** - * Adjust the value range of the edge. The edge will adjust it's width - * based on its value. - * @param {Number} min - * @param {Number} max + * Repaint the item */ - Edge.prototype.setValueRange = function(min, max) { - if (!this.widthFixed && this.value !== undefined) { - var scale = (this.options.widthMax - this.options.widthMin) / (max - min); - this.options.width= (this.value - min) * scale + this.options.widthMin; - this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; - } - }; + BackgroundItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - /** - * Redraw a edge - * Draw this edge in the given canvas - * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); - * @param {CanvasRenderingContext2D} ctx - */ - Edge.prototype.draw = function(ctx) { - throw "Method draw not initialized in edge"; - }; + // background box + dom.box = document.createElement('div'); + // className is updated in redraw() - /** - * Check if this object is overlapping with the provided object - * @param {Object} obj an object with parameters left, top - * @return {boolean} True if location is located on the edge - */ - Edge.prototype.isOverlappingWith = function(obj) { - if (this.connected) { - var distMax = 10; - var xFrom = this.from.x; - var yFrom = this.from.y; - var xTo = this.to.x; - var yTo = this.to.y; - var xObj = obj.left; - var yObj = obj.top; + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); - var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj); + // Note: we do NOT attach this item as attribute to the DOM, + // such that background items cannot be selected + //dom.box['timeline-item'] = this; - return (dist < distMax); - } - else { - return false + this.dirty = true; } - }; - Edge.prototype._getColor = function() { - var colorObj = this.options.color; - if (this.options.inheritColor == "to") { - colorObj = { - highlight: this.to.options.color.highlight.border, - hover: this.to.options.color.hover.border, - color: this.to.options.color.border - }; + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); } - else if (this.options.inheritColor == "from" || this.options.inheritColor == true) { - colorObj = { - highlight: this.from.options.color.highlight.border, - hover: this.from.options.color.hover.border, - color: this.from.options.color.border - }; + if (!dom.box.parentNode) { + var background = this.parent.dom.background; + if (!background) { + throw new Error('Cannot redraw item: parent has no background container element'); + } + background.appendChild(dom.box); } + this.displayed = true; - if (this.selected == true) {return colorObj.highlight;} - else if (this.hover == true) {return colorObj.hover;} - else {return colorObj.color;} - }; + // Update DOM when item is marked dirty. An item is marked dirty when: + // - the item is not yet rendered + // - the item's data is changed + // - the item is selected/deselected + if (this.dirty) { + this._updateContents(this.dom.content); + this._updateTitle(this.dom.content); + this._updateDataAttributes(this.dom.content); + this._updateStyle(this.dom.box); + // update class + var className = (this.data.className ? (' ' + this.data.className) : '') + + (this.selected ? ' selected' : ''); + dom.box.className = this.baseClassName + className; - /** - * Redraw a edge as a line - * Draw this edge in the given canvas - * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); - * @param {CanvasRenderingContext2D} ctx - * @private - */ - Edge.prototype._drawLine = function(ctx) { - // set style - ctx.strokeStyle = this._getColor(); - ctx.lineWidth = this._getLineWidth(); + // determine from css whether this box has overflow + this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; - if (this.from != this.to) { - // draw line - var via = this._line(ctx); + // recalculate size + this.props.content.width = this.dom.content.offsetWidth; + this.height = 0; // set height zero, so this item will be ignored when stacking items - // draw label - var point; - if (this.label) { - if (this.options.smoothCurves.enabled == true && via != null) { - var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); - var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); - point = {x:midpointX, y:midpointY}; - } - else { - point = this._pointOnLine(0.5); - } - this._label(ctx, this.label, point.x, point.y); - } - } - else { - var x, y; - var radius = this.physics.springLength / 4; - var node = this.from; - if (!node.width) { - node.resize(ctx); - } - if (node.width > node.height) { - x = node.x + node.width / 2; - y = node.y - radius; - } - else { - x = node.x + radius; - y = node.y - node.height / 2; - } - this._circle(ctx, x, y, radius); - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); + this.dirty = false; } }; /** - * Get the line width of the edge. Depends on width and whether one of the - * connected nodes is selected. - * @return {Number} width - * @private + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. */ - Edge.prototype._getLineWidth = function() { - if (this.selected == true) { - return Math.max(Math.min(this.widthSelected, this.options.widthMax), 0.3*this.networkScaleInv); - } - else { - if (this.hover == true) { - return Math.max(Math.min(this.options.hoverWidth, this.options.widthMax), 0.3*this.networkScaleInv); - } - else { - return Math.max(this.options.width, 0.3*this.networkScaleInv); - } - } - }; + BackgroundItem.prototype.show = RangeItem.prototype.show; - Edge.prototype._getViaCoordinates = function () { - if (this.options.smoothCurves.dynamic == true && this.options.smoothCurves.enabled == true ) { - return this.via; - } - else if (this.options.smoothCurves.enabled == false) { - return {x:0,y:0}; - } - else { - var xVia = null; - var yVia = null; - var factor = this.options.smoothCurves.roundness; - var type = this.options.smoothCurves.type; + /** + * Hide the item from the DOM (when visible) + * @return {Boolean} changed + */ + BackgroundItem.prototype.hide = RangeItem.prototype.hide; - var dx = Math.abs(this.from.x - this.to.x); - var dy = Math.abs(this.from.y - this.to.y); - if (type == 'discrete' || type == 'diagonalCross') { - if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dy; - yVia = this.from.y - factor * dy; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dy; - yVia = this.from.y - factor * dy; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dy; - yVia = this.from.y + factor * dy; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dy; - yVia = this.from.y + factor * dy; - } - } - if (type == "discrete") { - xVia = dx < factor * dy ? this.from.x : xVia; - } - } - else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dx; - yVia = this.from.y - factor * dx; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dx; - yVia = this.from.y - factor * dx; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dx; - yVia = this.from.y + factor * dx; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dx; - yVia = this.from.y + factor * dx; + /** + * Reposition the item horizontally + * @Override + */ + BackgroundItem.prototype.repositionX = RangeItem.prototype.repositionX; + + /** + * Reposition the item vertically + * @Override + */ + BackgroundItem.prototype.repositionY = function(margin) { + var onTop = this.options.orientation === 'top'; + this.dom.content.style.top = onTop ? '' : '0'; + this.dom.content.style.bottom = onTop ? '0' : ''; + var height; + + // special positioning for subgroups + if (this.data.subgroup !== undefined) { + var itemSubgroup = this.data.subgroup; + var subgroups = this.parent.subgroups; + var subgroupIndex = subgroups[itemSubgroup].index; + // if the orientation is top, we need to take the difference in height into account. + if (onTop == true) { + // the first subgroup will have to account for the distance from the top to the first item. + height = this.parent.subgroups[itemSubgroup].height + margin.item.vertical; + height += subgroupIndex == 0 ? margin.axis - 0.5*margin.item.vertical : 0; + var newTop = this.parent.top; + for (var subgroup in subgroups) { + if (subgroups.hasOwnProperty(subgroup)) { + if (subgroups[subgroup].visible == true && subgroups[subgroup].index < subgroupIndex) { + newTop += subgroups[subgroup].height + margin.item.vertical; } } - if (type == "discrete") { - yVia = dy < factor * dx ? this.from.y : yVia; - } - } - } - else if (type == "straightCross") { - if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { // up - down - xVia = this.from.x; - if (this.from.y < this.to.y) { - yVia = this.to.y - (1 - factor) * dy; - } - else { - yVia = this.to.y + (1 - factor) * dy; - } - } - else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { // left - right - if (this.from.x < this.to.x) { - xVia = this.to.x - (1 - factor) * dx; - } - else { - xVia = this.to.x + (1 - factor) * dx; - } - yVia = this.from.y; - } - } - else if (type == 'horizontal') { - if (this.from.x < this.to.x) { - xVia = this.to.x - (1 - factor) * dx; - } - else { - xVia = this.to.x + (1 - factor) * dx; - } - yVia = this.from.y; - } - else if (type == 'vertical') { - xVia = this.from.x; - if (this.from.y < this.to.y) { - yVia = this.to.y - (1 - factor) * dy; - } - else { - yVia = this.to.y + (1 - factor) * dy; } + + // the others will have to be offset downwards with this same distance. + newTop += subgroupIndex != 0 ? margin.axis - 0.5 * margin.item.vertical : 0; + this.dom.box.style.top = newTop + 'px'; + this.dom.box.style.bottom = ''; } - else { // continuous - if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - // console.log(1) - xVia = this.from.x + factor * dy; - yVia = this.from.y - factor * dy; - xVia = this.to.x < xVia ? this.to.x : xVia; - } - else if (this.from.x > this.to.x) { - // console.log(2) - xVia = this.from.x - factor * dy; - yVia = this.from.y - factor * dy; - xVia = this.to.x > xVia ? this.to.x : xVia; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - // console.log(3) - xVia = this.from.x + factor * dy; - yVia = this.from.y + factor * dy; - xVia = this.to.x < xVia ? this.to.x : xVia; - } - else if (this.from.x > this.to.x) { - // console.log(4, this.from.x, this.to.x) - xVia = this.from.x - factor * dy; - yVia = this.from.y + factor * dy; - xVia = this.to.x > xVia ? this.to.x : xVia; - } - } - } - else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - // console.log(5) - xVia = this.from.x + factor * dx; - yVia = this.from.y - factor * dx; - yVia = this.to.y > yVia ? this.to.y : yVia; - } - else if (this.from.x > this.to.x) { - // console.log(6) - xVia = this.from.x - factor * dx; - yVia = this.from.y - factor * dx; - yVia = this.to.y > yVia ? this.to.y : yVia; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - // console.log(7) - xVia = this.from.x + factor * dx; - yVia = this.from.y + factor * dx; - yVia = this.to.y < yVia ? this.to.y : yVia; - } - else if (this.from.x > this.to.x) { - // console.log(8) - xVia = this.from.x - factor * dx; - yVia = this.from.y + factor * dx; - yVia = this.to.y < yVia ? this.to.y : yVia; + // and when the orientation is bottom: + else { + var newTop = this.parent.top; + for (var subgroup in subgroups) { + if (subgroups.hasOwnProperty(subgroup)) { + if (subgroups[subgroup].visible == true && subgroups[subgroup].index > subgroupIndex) { + newTop += subgroups[subgroup].height + margin.item.vertical; } } } + height = this.parent.subgroups[itemSubgroup].height + margin.item.vertical; + this.dom.box.style.top = newTop + 'px'; + this.dom.box.style.bottom = ''; } - - - return {x: xVia, y: yVia}; } - }; - - /** - * Draw a line between two nodes - * @param {CanvasRenderingContext2D} ctx - * @private - */ - Edge.prototype._line = function (ctx) { - // draw a straight line - ctx.beginPath(); - ctx.moveTo(this.from.x, this.from.y); - if (this.options.smoothCurves.enabled == true) { - if (this.options.smoothCurves.dynamic == false) { - var via = this._getViaCoordinates(); - if (via.x == null) { - ctx.lineTo(this.to.x, this.to.y); - ctx.stroke(); - return null; - } - else { - // this.via.x = via.x; - // this.via.y = via.y; - ctx.quadraticCurveTo(via.x,via.y,this.to.x, this.to.y); - ctx.stroke(); - return via; - } + // and in the case of no subgroups: + else { + // we want backgrounds with groups to only show in groups. + if (this.parent instanceof BackgroundGroup) { + // if the item is not in a group: + height = Math.max(this.parent.height, + this.parent.itemSet.body.domProps.center.height, + this.parent.itemSet.body.domProps.centerContainer.height); + this.dom.box.style.top = onTop ? '0' : ''; + this.dom.box.style.bottom = onTop ? '' : '0'; } else { - ctx.quadraticCurveTo(this.via.x,this.via.y,this.to.x, this.to.y); - ctx.stroke(); - return this.via; - } - } - else { - ctx.lineTo(this.to.x, this.to.y); - ctx.stroke(); - return null; - } - }; - - /** - * Draw a line from a node to itself, a circle - * @param {CanvasRenderingContext2D} ctx - * @param {Number} x - * @param {Number} y - * @param {Number} radius - * @private - */ - Edge.prototype._circle = function (ctx, x, y, radius) { - // draw a circle - ctx.beginPath(); - ctx.arc(x, y, radius, 0, 2 * Math.PI, false); - ctx.stroke(); - }; - - /** - * Draw label with white background and with the middle at (x, y) - * @param {CanvasRenderingContext2D} ctx - * @param {String} text - * @param {Number} x - * @param {Number} y - * @private - */ - Edge.prototype._label = function (ctx, text, x, y) { - if (text) { - ctx.font = ((this.from.selected || this.to.selected) ? "bold " : "") + - this.options.fontSize + "px " + this.options.fontFace; - var yLine; + height = this.parent.height; + // same alignment for items when orientation is top or bottom + this.dom.box.style.top = this.parent.top + 'px'; + this.dom.box.style.bottom = ''; + } + } + this.dom.box.style.height = height + 'px'; + }; - if (this.dirtyLabel == true) { - var lines = String(text).split('\n'); - var lineCount = lines.length; - var fontSize = Number(this.options.fontSize); - yLine = y + (1 - lineCount) / 2 * fontSize; + module.exports = BackgroundItem; - var width = ctx.measureText(lines[0]).width; - for (var i = 1; i < lineCount; i++) { - var lineWidth = ctx.measureText(lines[i]).width; - width = lineWidth > width ? lineWidth : width; - } - var height = this.options.fontSize * lineCount; - var left = x - width / 2; - var top = y - height / 2; - // cache - this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; - } +/***/ }, +/* 35 */ +/***/ function(module, exports, __webpack_require__) { - var yLine = this.labelDimensions.yLine; - - ctx.save(); - - if (this.options.labelAlignment != "horizontal"){ - ctx.translate(x, yLine); - this._rotateForLabelAlignment(ctx); - x = 0; - yLine = 0; - } - - this._drawLabelRect(ctx); - this._drawLabelText(ctx,x,yLine, lines, lineCount, fontSize); - - ctx.restore(); - } - }; + var keycharm = __webpack_require__(36); + var Emitter = __webpack_require__(11); + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); /** - * Rotates the canvas so the text is most readable - * @param {CanvasRenderingContext2D} ctx - * @private + * Turn an element into an clickToUse element. + * When not active, the element has a transparent overlay. When the overlay is + * clicked, the mode is changed to active. + * When active, the element is displayed with a blue border around it, and + * the interactive contents of the element can be used. When clicked outside + * the element, the elements mode is changed to inactive. + * @param {Element} container + * @constructor */ - Edge.prototype._rotateForLabelAlignment = function(ctx) { - var dy = this.from.y - this.to.y; - var dx = this.from.x - this.to.x; - var angleInDegrees = Math.atan2(dy, dx); + function Activator(container) { + this.active = false; - // rotate so label it is readable - if((angleInDegrees < -1 && dx < 0) || (angleInDegrees > 0 && dx < 0)){ - angleInDegrees = angleInDegrees + Math.PI; - } - - ctx.rotate(angleInDegrees); - }; + this.dom = { + container: container + }; - /** - * Draws the label rectangle - * @param {CanvasRenderingContext2D} ctx - * @param {String} labelAlignment - * @private - */ - Edge.prototype._drawLabelRect = function(ctx) { - if (this.options.fontFill !== undefined && this.options.fontFill !== null && this.options.fontFill !== "none") { - ctx.fillStyle = this.options.fontFill; - - var lineMargin = 2; + this.dom.overlay = document.createElement('div'); + this.dom.overlay.className = 'overlay'; - if (this.options.labelAlignment == 'line-center') { - ctx.fillRect(-this.labelDimensions.width * 0.5, -this.labelDimensions.height * 0.5, this.labelDimensions.width, this.labelDimensions.height); - } - else if (this.options.labelAlignment == 'line-above') { - ctx.fillRect(-this.labelDimensions.width * 0.5, -(this.labelDimensions.height + lineMargin), this.labelDimensions.width, this.labelDimensions.height); - } - else if (this.options.labelAlignment == 'line-below') { - ctx.fillRect(-this.labelDimensions.width * 0.5, lineMargin, this.labelDimensions.width, this.labelDimensions.height); - } - else { - ctx.fillStyle = this.options.fontFill; - ctx.fillRect(this.labelDimensions.left, this.labelDimensions.top, this.labelDimensions.width, this.labelDimensions.height); + this.dom.container.appendChild(this.dom.overlay); + + this.hammer = Hammer(this.dom.overlay, {prevent_default: false}); + this.hammer.on('tap', this._onTapOverlay.bind(this)); + + // block all touch events (except tap) + var me = this; + var events = [ + 'touch', 'pinch', + 'doubletap', 'hold', + 'dragstart', 'drag', 'dragend', + 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is needed for Firefox + ]; + events.forEach(function (event) { + me.hammer.on(event, function (event) { + event.stopPropagation(); + }); + }); + + // attach a tap event to the window, in order to deactivate when clicking outside the timeline + this.windowHammer = Hammer(window, {prevent_default: false}); + this.windowHammer.on('tap', function (event) { + // deactivate when clicked outside the container + if (!_hasParent(event.target, container)) { + me.deactivate(); } + }); + + if (this.keycharm !== undefined) { + this.keycharm.destroy(); } - }; + this.keycharm = keycharm(); + + // keycharm listener only bounded when active) + this.escListener = this.deactivate.bind(this); + } + + // turn into an event emitter + Emitter(Activator.prototype); + + // The currently active activator + Activator.current = null; /** - * Draws the label text - * @param {CanvasRenderingContext2D} ctx - * @param {Number} x - * @param {Number} yLine - * @param {Array} lines - * @param {Number} lineCount - * @param {Number} fontSize - * @private + * Destroy the activator. Cleans up all created DOM and event listeners */ - Edge.prototype._drawLabelText = function(ctx, x, yLine, lines, lineCount, fontSize) { - // draw text - ctx.fillStyle = this.options.fontColor || "black"; - ctx.textAlign = "center"; + Activator.prototype.destroy = function () { + this.deactivate(); - // check for label alignment - if (this.options.labelAlignment != 'horizontal') { - var lineMargin = 2; - if (this.options.labelAlignment == 'line-above') { - ctx.textBaseline = "alphabetic"; - yLine -= 2 * lineMargin; // distance from edge, required because we use alphabetic. Alphabetic has less difference between browsers - } - else if (this.options.labelAlignment == 'line-below') { - ctx.textBaseline = "hanging"; - yLine += 2 * lineMargin;// distance from edge, required because we use hanging. Hanging has less difference between browsers - } - else { - ctx.textBaseline = "middle"; - } - } + // remove dom + this.dom.overlay.parentNode.removeChild(this.dom.overlay); - // check for strokeWidth - if (this.options.fontStrokeWidth > 0){ - ctx.lineWidth = this.options.fontStrokeWidth; - ctx.strokeStyle = this.options.fontStrokeColor; - ctx.lineJoin = 'round'; - } - for (var i = 0; i < lineCount; i++) { - if(this.options.fontStrokeWidth > 0){ - ctx.strokeText(lines[i], x, yLine); - } - ctx.fillText(lines[i], x, yLine); - yLine += fontSize; - } + // cleanup hammer instances + this.hammer = null; + this.windowHammer = null; + // FIXME: cleaning up hammer instances doesn't work (Timeline not removed from memory) }; /** - * Redraw a edge as a dashed line - * Draw this edge in the given canvas - * @author David Jordan - * @date 2012-08-08 - * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); - * @param {CanvasRenderingContext2D} ctx - * @private + * Activate the element + * Overlay is hidden, element is decorated with a blue shadow border */ - Edge.prototype._drawDashLine = function(ctx) { - // set style - ctx.strokeStyle = this._getColor(); - ctx.lineWidth = this._getLineWidth(); + Activator.prototype.activate = function () { + // we allow only one active activator at a time + if (Activator.current) { + Activator.current.deactivate(); + } + Activator.current = this; - var via = null; - // only firefox and chrome support this method, else we use the legacy one. - if (ctx.setLineDash !== undefined) { - ctx.save(); - // configure the dash pattern - var pattern = [0]; - if (this.options.dash.length !== undefined && this.options.dash.gap !== undefined) { - pattern = [this.options.dash.length,this.options.dash.gap]; - } - else { - pattern = [5,5]; - } + this.active = true; + this.dom.overlay.style.display = 'none'; + util.addClassName(this.dom.container, 'vis-active'); - // set dash settings for chrome or firefox - ctx.setLineDash(pattern); - ctx.lineDashOffset = 0; + this.emit('change'); + this.emit('activate'); - // draw the line - via = this._line(ctx); + // ugly hack: bind ESC after emitting the events, as the Network rebinds all + // keyboard events on a 'change' event + this.keycharm.bind('esc', this.escListener); + }; - // restore the dash settings. - ctx.setLineDash([0]); - ctx.lineDashOffset = 0; - ctx.restore(); - } - else { // unsupporting smooth lines - // draw dashed line - ctx.beginPath(); - ctx.lineCap = 'round'; - if (this.options.dash.altLength !== undefined) //If an alt dash value has been set add to the array this value - { - ctx.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y, - [this.options.dash.length,this.options.dash.gap,this.options.dash.altLength,this.options.dash.gap]); - } - else if (this.options.dash.length !== undefined && this.options.dash.gap !== undefined) //If a dash and gap value has been set add to the array this value - { - ctx.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y, - [this.options.dash.length,this.options.dash.gap]); - } - else //If all else fails draw a line - { - ctx.moveTo(this.from.x, this.from.y); - ctx.lineTo(this.to.x, this.to.y); - } - ctx.stroke(); - } + /** + * Deactivate the element + * Overlay is displayed on top of the element + */ + Activator.prototype.deactivate = function () { + this.active = false; + this.dom.overlay.style.display = ''; + util.removeClassName(this.dom.container, 'vis-active'); + this.keycharm.unbind('esc', this.escListener); - // draw label - if (this.label) { - var point; - if (this.options.smoothCurves.enabled == true && via != null) { - var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); - var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); - point = {x:midpointX, y:midpointY}; - } - else { - point = this._pointOnLine(0.5); - } - this._label(ctx, this.label, point.x, point.y); - } + this.emit('change'); + this.emit('deactivate'); }; /** - * Get a point on a line - * @param {Number} percentage. Value between 0 (line start) and 1 (line end) - * @return {Object} point + * Handle a tap event: activate the container + * @param event * @private */ - Edge.prototype._pointOnLine = function (percentage) { - return { - x: (1 - percentage) * this.from.x + percentage * this.to.x, - y: (1 - percentage) * this.from.y + percentage * this.to.y - } + Activator.prototype._onTapOverlay = function (event) { + // activate the container + this.activate(); + event.stopPropagation(); }; /** - * Get a point on a circle - * @param {Number} x - * @param {Number} y - * @param {Number} radius - * @param {Number} percentage. Value between 0 (line start) and 1 (line end) - * @return {Object} point + * Test whether the element has the requested parent element somewhere in + * its chain of parent nodes. + * @param {HTMLElement} element + * @param {HTMLElement} parent + * @returns {boolean} Returns true when the parent is found somewhere in the + * chain of parent nodes. * @private */ - Edge.prototype._pointOnCircle = function (x, y, radius, percentage) { - var angle = (percentage - 3/8) * 2 * Math.PI; - return { - x: x + radius * Math.cos(angle), - y: y - radius * Math.sin(angle) + function _hasParent(element, parent) { + while (element) { + if (element === parent) { + return true + } + element = element.parentNode; } - }; + return false; + } + module.exports = Activator; + + +/***/ }, +/* 36 */ +/***/ function(module, exports, __webpack_require__) { + + var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;"use strict"; /** - * Redraw a edge as a line with an arrow halfway the line - * Draw this edge in the given canvas - * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); - * @param {CanvasRenderingContext2D} ctx - * @private + * Created by Alex on 11/6/2014. */ - Edge.prototype._drawArrowCenter = function(ctx) { - var point; - // set style - ctx.strokeStyle = this._getColor(); - ctx.fillStyle = ctx.strokeStyle; - ctx.lineWidth = this._getLineWidth(); - if (this.from != this.to) { - // draw line - var via = this._line(ctx); + // https://github.com/umdjs/umd/blob/master/returnExports.js#L40-L60 + // if the module has no dependencies, the above pattern can be simplified to + (function (root, factory) { + if (true) { + // AMD. Register as an anonymous module. + !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory), __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ? (__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); + } else if (typeof exports === 'object') { + // Node. Does not work with strict CommonJS, but + // only CommonJS-like environments that support module.exports, + // like Node. + module.exports = factory(); + } else { + // Browser globals (root is window) + root.keycharm = factory(); + } + }(this, function () { - var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); - var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; - // draw an arrow halfway the line - if (this.options.smoothCurves.enabled == true && via != null) { - var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); - var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); - point = {x:midpointX, y:midpointY}; - } - else { - point = this._pointOnLine(0.5); - } + function keycharm(options) { + var preventDefault = options && options.preventDefault || false; - ctx.arrow(point.x, point.y, angle, length); - ctx.fill(); - ctx.stroke(); + var container = options && options.container || window; - // draw label - if (this.label) { - this._label(ctx, this.label, point.x, point.y); - } - } - else { - // draw circle - var x, y; - var radius = 0.25 * Math.max(100,this.physics.springLength); - var node = this.from; - if (!node.width) { - node.resize(ctx); - } - if (node.width > node.height) { - x = node.x + node.width * 0.5; - y = node.y - radius; - } - else { - x = node.x + radius; - y = node.y - node.height * 0.5; - } - this._circle(ctx, x, y, radius); + var _exportFunctions = {}; + var _bound = {keydown:{}, keyup:{}}; + var _keys = {}; + var i; - // draw all arrows - var angle = 0.2 * Math.PI; - var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; - point = this._pointOnCircle(x, y, radius, 0.5); - ctx.arrow(point.x, point.y, angle, length); - ctx.fill(); - ctx.stroke(); + // a - z + for (i = 97; i <= 122; i++) {_keys[String.fromCharCode(i)] = {code:65 + (i - 97), shift: false};} + // A - Z + for (i = 65; i <= 90; i++) {_keys[String.fromCharCode(i)] = {code:i, shift: true};} + // 0 - 9 + for (i = 0; i <= 9; i++) {_keys['' + i] = {code:48 + i, shift: false};} + // F1 - F12 + for (i = 1; i <= 12; i++) {_keys['F' + i] = {code:111 + i, shift: false};} + // num0 - num9 + for (i = 0; i <= 9; i++) {_keys['num' + i] = {code:96 + i, shift: false};} - // draw label - if (this.label) { - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); - } - } - }; + // numpad misc + _keys['num*'] = {code:106, shift: false}; + _keys['num+'] = {code:107, shift: false}; + _keys['num-'] = {code:109, shift: false}; + _keys['num/'] = {code:111, shift: false}; + _keys['num.'] = {code:110, shift: false}; + // arrows + _keys['left'] = {code:37, shift: false}; + _keys['up'] = {code:38, shift: false}; + _keys['right'] = {code:39, shift: false}; + _keys['down'] = {code:40, shift: false}; + // extra keys + _keys['space'] = {code:32, shift: false}; + _keys['enter'] = {code:13, shift: false}; + _keys['shift'] = {code:16, shift: undefined}; + _keys['esc'] = {code:27, shift: false}; + _keys['backspace'] = {code:8, shift: false}; + _keys['tab'] = {code:9, shift: false}; + _keys['ctrl'] = {code:17, shift: false}; + _keys['alt'] = {code:18, shift: false}; + _keys['delete'] = {code:46, shift: false}; + _keys['pageup'] = {code:33, shift: false}; + _keys['pagedown'] = {code:34, shift: false}; + // symbols + _keys['='] = {code:187, shift: false}; + _keys['-'] = {code:189, shift: false}; + _keys[']'] = {code:221, shift: false}; + _keys['['] = {code:219, shift: false}; - Edge.prototype._pointOnBezier = function(t) { - var via = this._getViaCoordinates(); - var x = Math.pow(1-t,2)*this.from.x + (2*t*(1 - t))*via.x + Math.pow(t,2)*this.to.x; - var y = Math.pow(1-t,2)*this.from.y + (2*t*(1 - t))*via.y + Math.pow(t,2)*this.to.y; - return {x:x,y:y}; - } + var down = function(event) {handleEvent(event,'keydown');}; + var up = function(event) {handleEvent(event,'keyup');}; - /** - * This function uses binary search to look for the point where the bezier curve crosses the border of the node. - * - * @param from - * @param ctx - * @returns {*} - * @private - */ - Edge.prototype._findBorderPosition = function(from,ctx) { - var maxIterations = 10; - var iteration = 0; - var low = 0; - var high = 1; - var pos,angle,distanceToBorder, distanceToNodes, difference; - var threshold = 0.2; - var node = this.to; - if (from == true) { - node = this.from; - } + // handle the actualy bound key with the event + var handleEvent = function(event,type) { + if (_bound[type][event.keyCode] !== undefined) { + var bound = _bound[type][event.keyCode]; + for (var i = 0; i < bound.length; i++) { + if (bound[i].shift === undefined) { + bound[i].fn(event); + } + else if (bound[i].shift == true && event.shiftKey == true) { + bound[i].fn(event); + } + else if (bound[i].shift == false && event.shiftKey == false) { + bound[i].fn(event); + } + } + + if (preventDefault == true) { + event.preventDefault(); + } + } + }; + + // bind a key to a callback + _exportFunctions.bind = function(key, callback, type) { + if (type === undefined) { + type = 'keydown'; + } + if (_keys[key] === undefined) { + throw new Error("unsupported key: " + key); + } + if (_bound[type][_keys[key].code] === undefined) { + _bound[type][_keys[key].code] = []; + } + _bound[type][_keys[key].code].push({fn:callback, shift:_keys[key].shift}); + }; - while (low <= high && iteration < maxIterations) { - var middle = (low + high) * 0.5; - pos = this._pointOnBezier(middle); - angle = Math.atan2((node.y - pos.y), (node.x - pos.x)); - distanceToBorder = node.distanceToBorder(ctx,angle); - distanceToNodes = Math.sqrt(Math.pow(pos.x-node.x,2) + Math.pow(pos.y-node.y,2)); - difference = distanceToBorder - distanceToNodes; - if (Math.abs(difference) < threshold) { - break; // found - } - else if (difference < 0) { // distance to nodes is larger than distance to border --> t needs to be bigger if we're looking at the to node. - if (from == false) { - low = middle; + // bind all keys to a call back (demo purposes) + _exportFunctions.bindAll = function(callback, type) { + if (type === undefined) { + type = 'keydown'; } - else { - high = middle; + for (var key in _keys) { + if (_keys.hasOwnProperty(key)) { + _exportFunctions.bind(key,callback,type); + } } - } - else { - if (from == false) { - high = middle; + }; + + // get the key label from an event + _exportFunctions.getKey = function(event) { + for (var key in _keys) { + if (_keys.hasOwnProperty(key)) { + if (event.shiftKey == true && _keys[key].shift == true && event.keyCode == _keys[key].code) { + return key; + } + else if (event.shiftKey == false && _keys[key].shift == false && event.keyCode == _keys[key].code) { + return key; + } + else if (event.keyCode == _keys[key].code && key == 'shift') { + return key; + } + } + } + return "unknown key, currently not supported"; + }; + + // unbind either a specific callback from a key or all of them (by leaving callback undefined) + _exportFunctions.unbind = function(key, callback, type) { + if (type === undefined) { + type = 'keydown'; + } + if (_keys[key] === undefined) { + throw new Error("unsupported key: " + key); + } + if (callback !== undefined) { + var newBindings = []; + var bound = _bound[type][_keys[key].code]; + if (bound !== undefined) { + for (var i = 0; i < bound.length; i++) { + if (!(bound[i].fn == callback && bound[i].shift == _keys[key].shift)) { + newBindings.push(_bound[type][_keys[key].code][i]); + } + } + } + _bound[type][_keys[key].code] = newBindings; } else { - low = middle; + _bound[type][_keys[key].code] = []; } - } + }; - iteration++; + // reset all bound variables. + _exportFunctions.reset = function() { + _bound = {keydown:{}, keyup:{}}; + }; + + // unbind all listeners and reset all variables. + _exportFunctions.destroy = function() { + _bound = {keydown:{}, keyup:{}}; + container.removeEventListener('keydown', down, true); + container.removeEventListener('keyup', up, true); + }; + + // create listeners. + container.addEventListener('keydown',down,true); + container.addEventListener('keyup',up,true); + + // return the public functions. + return _exportFunctions; } - pos.t = middle; - return pos; - }; + return keycharm; + })); + + + + +/***/ }, +/* 37 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Component = __webpack_require__(23); + var TimeStep = __webpack_require__(38); + var DateUtil = __webpack_require__(24); + var moment = __webpack_require__(2); /** - * Redraw a edge as a line with an arrow - * Draw this edge in the given canvas - * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); - * @param {CanvasRenderingContext2D} ctx - * @private + * A horizontal time axis + * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} body + * @param {Object} [options] See TimeAxis.setOptions for the available + * options. + * @constructor TimeAxis + * @extends Component */ - Edge.prototype._drawArrow = function(ctx) { - // set style - ctx.strokeStyle = this._getColor(); - ctx.fillStyle = ctx.strokeStyle; - ctx.lineWidth = this._getLineWidth(); + function TimeAxis (body, options) { + this.dom = { + foreground: null, + lines: [], + majorTexts: [], + minorTexts: [], + redundant: { + lines: [], + majorTexts: [], + minorTexts: [] + } + }; + this.props = { + range: { + start: 0, + end: 0, + minimumStep: 0 + }, + lineTop: 0 + }; - // set vars - var angle, length, arrowPos; + this.defaultOptions = { + orientation: 'bottom', // supported: 'top', 'bottom' + // TODO: implement timeaxis orientations 'left' and 'right' + showMinorLabels: true, + showMajorLabels: true, + format: null + }; + this.options = util.extend({}, this.defaultOptions); - // if not connected to itself - if (this.from != this.to) { - // draw line - this._line(ctx); + this.body = body; - // draw arrow head - if (this.options.smoothCurves.enabled == true) { - var via = this._getViaCoordinates(); - arrowPos = this._findBorderPosition(false, ctx); - var guidePos = this._pointOnBezier(Math.max(0.0, arrowPos.t - 0.1)) - angle = Math.atan2((arrowPos.y - guidePos.y), (arrowPos.x - guidePos.x)); - } - else { - angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); - var dx = (this.to.x - this.from.x); - var dy = (this.to.y - this.from.y); - var edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); - var toBorderDist = this.to.distanceToBorder(ctx, angle); - var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength; + // create the HTML DOM + this._create(); - arrowPos = {}; - arrowPos.x = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; - arrowPos.y = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; - } + this.setOptions(options); + } - // draw arrow at the end of the line - length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; - ctx.arrow(arrowPos.x,arrowPos.y, angle, length); - ctx.fill(); - ctx.stroke(); + TimeAxis.prototype = new Component(); - // draw label - if (this.label) { - var point; - if (this.options.smoothCurves.enabled == true && via != null) { - point = this._pointOnBezier(0.5); + /** + * Set options for the TimeAxis. + * Parameters will be merged in current options. + * @param {Object} options Available options: + * {string} [orientation] + * {boolean} [showMinorLabels] + * {boolean} [showMajorLabels] + */ + TimeAxis.prototype.setOptions = function(options) { + if (options) { + // copy all options that we know + util.selectiveExtend([ + 'orientation', + 'showMinorLabels', + 'showMajorLabels', + 'hiddenDates', + 'format' + ], this.options, options); + + // apply locale to moment.js + // TODO: not so nice, this is applied globally to moment.js + if ('locale' in options) { + if (typeof moment.locale === 'function') { + // moment.js 2.8.1+ + moment.locale(options.locale); } else { - point = this._pointOnLine(0.5); + moment.lang(options.locale); } - this._label(ctx, this.label, point.x, point.y); } } - else { - // draw circle - var node = this.from; - var x, y, arrow; - var radius = 0.25 * Math.max(100,this.physics.springLength); - if (!node.width) { - node.resize(ctx); - } - if (node.width > node.height) { - x = node.x + node.width * 0.5; - y = node.y - radius; - arrow = { - x: x, - y: node.y, - angle: 0.9 * Math.PI - }; - } - else { - x = node.x + radius; - y = node.y - node.height * 0.5; - arrow = { - x: node.x, - y: y, - angle: 0.6 * Math.PI - }; - } - ctx.beginPath(); - // TODO: similarly, for a line without arrows, draw to the border of the nodes instead of the center - ctx.arc(x, y, radius, 0, 2 * Math.PI, false); - ctx.stroke(); + }; - // draw all arrows - var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; - ctx.arrow(arrow.x, arrow.y, arrow.angle, length); - ctx.fill(); - ctx.stroke(); + /** + * Create the HTML DOM for the TimeAxis + */ + TimeAxis.prototype._create = function() { + this.dom.foreground = document.createElement('div'); + this.dom.background = document.createElement('div'); - // draw label - if (this.label) { - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); - } - } + this.dom.foreground.className = 'timeaxis foreground'; + this.dom.background.className = 'timeaxis background'; }; /** - * Calculate the distance between a point (x3,y3) and a line segment from - * (x1,y1) to (x2,y2). - * http://stackoverflow.com/questions/849211/shortest-distancae-between-a-point-and-a-line-segment - * @param {number} x1 - * @param {number} y1 - * @param {number} x2 - * @param {number} y2 - * @param {number} x3 - * @param {number} y3 - * @private + * Destroy the TimeAxis */ - Edge.prototype._getDistanceToEdge = function (x1,y1, x2,y2, x3,y3) { // x3,y3 is the point - var returnValue = 0; - if (this.from != this.to) { - if (this.options.smoothCurves.enabled == true) { - var xVia, yVia; - if (this.options.smoothCurves.enabled == true && this.options.smoothCurves.dynamic == true) { - xVia = this.via.x; - yVia = this.via.y; - } - else { - var via = this._getViaCoordinates(); - xVia = via.x; - yVia = via.y; - } - var minDistance = 1e9; - var distance; - var i,t,x,y, lastX, lastY; - for (i = 0; i < 10; i++) { - t = 0.1*i; - x = Math.pow(1-t,2)*x1 + (2*t*(1 - t))*xVia + Math.pow(t,2)*x2; - y = Math.pow(1-t,2)*y1 + (2*t*(1 - t))*yVia + Math.pow(t,2)*y2; - if (i > 0) { - distance = this._getDistanceToLine(lastX,lastY,x,y, x3,y3); - minDistance = distance < minDistance ? distance : minDistance; - } - lastX = x; lastY = y; - } - returnValue = minDistance; - } - else { - returnValue = this._getDistanceToLine(x1,y1,x2,y2,x3,y3); - } + TimeAxis.prototype.destroy = function() { + // remove from DOM + if (this.dom.foreground.parentNode) { + this.dom.foreground.parentNode.removeChild(this.dom.foreground); } - else { - var x, y, dx, dy; - var radius = 0.25 * this.physics.springLength; - var node = this.from; - if (node.width > node.height) { - x = node.x + 0.5 * node.width; - y = node.y - radius; - } - else { - x = node.x + radius; - y = node.y - 0.5 * node.height; - } - dx = x - x3; - dy = y - y3; - returnValue = Math.abs(Math.sqrt(dx*dx + dy*dy) - radius); + if (this.dom.background.parentNode) { + this.dom.background.parentNode.removeChild(this.dom.background); } - if (this.labelDimensions.left < x3 && - this.labelDimensions.left + this.labelDimensions.width > x3 && - this.labelDimensions.top < y3 && - this.labelDimensions.top + this.labelDimensions.height > y3) { - return 0; - } - else { - return returnValue; - } + this.body = null; }; - Edge.prototype._getDistanceToLine = function(x1,y1,x2,y2,x3,y3) { - var px = x2-x1, - py = y2-y1, - something = px*px + py*py, - u = ((x3 - x1) * px + (y3 - y1) * py) / something; + /** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ + TimeAxis.prototype.redraw = function () { + var options = this.options; + var props = this.props; + var foreground = this.dom.foreground; + var background = this.dom.background; - if (u > 1) { - u = 1; - } - else if (u < 0) { - u = 0; - } + // determine the correct parent DOM element (depending on option orientation) + var parent = (options.orientation == 'top') ? this.body.dom.top : this.body.dom.bottom; + var parentChanged = (foreground.parentNode !== parent); - var x = x1 + u * px, - y = y1 + u * py, - dx = x - x3, - dy = y - y3; + // calculate character width and height + this._calculateCharSize(); - //# Note: If the actual distance does not matter, - //# if you only want to compare what this function - //# returns to other results of this function, you - //# can just return the squared distance instead - //# (i.e. remove the sqrt) to gain a little performance + // TODO: recalculate sizes only needed when parent is resized or options is changed + var orientation = this.options.orientation, + showMinorLabels = this.options.showMinorLabels, + showMajorLabels = this.options.showMajorLabels; - return Math.sqrt(dx*dx + dy*dy); - }; + // determine the width and height of the elemens for the axis + props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; + props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; + props.height = props.minorLabelHeight + props.majorLabelHeight; + props.width = foreground.offsetWidth; - /** - * This allows the zoom level of the network to influence the rendering - * - * @param scale - */ - Edge.prototype.setScale = function(scale) { - this.networkScaleInv = 1.0/scale; - }; + props.minorLineHeight = this.body.domProps.root.height - props.majorLabelHeight - + (options.orientation == 'top' ? this.body.domProps.bottom.height : this.body.domProps.top.height); + props.minorLineWidth = 1; // TODO: really calculate width + props.majorLineHeight = props.minorLineHeight + props.majorLabelHeight; + props.majorLineWidth = 1; // TODO: really calculate width + // take foreground and background offline while updating (is almost twice as fast) + var foregroundNextSibling = foreground.nextSibling; + var backgroundNextSibling = background.nextSibling; + foreground.parentNode && foreground.parentNode.removeChild(foreground); + background.parentNode && background.parentNode.removeChild(background); - Edge.prototype.select = function() { - this.selected = true; - }; + foreground.style.height = this.props.height + 'px'; - Edge.prototype.unselect = function() { - this.selected = false; - }; + this._repaintLabels(); - Edge.prototype.positionBezierNode = function() { - if (this.via !== null && this.from !== null && this.to !== null) { - this.via.x = 0.5 * (this.from.x + this.to.x); - this.via.y = 0.5 * (this.from.y + this.to.y); + // put DOM online again (at the same place) + if (foregroundNextSibling) { + parent.insertBefore(foreground, foregroundNextSibling); } else { - this.via.x = 0; - this.via.y = 0; + parent.appendChild(foreground) } + if (backgroundNextSibling) { + this.body.dom.backgroundVertical.insertBefore(background, backgroundNextSibling); + } + else { + this.body.dom.backgroundVertical.appendChild(background) + } + + return this._isResized() || parentChanged; }; /** - * This function draws the control nodes for the manipulator. - * In order to enable this, only set the this.controlNodesEnabled to true. - * @param ctx + * Repaint major and minor text labels and vertical grid lines + * @private */ - Edge.prototype._drawControlNodes = function(ctx) { - if (this.controlNodesEnabled == true) { - if (this.controlNodes.from === null && this.controlNodes.to === null) { - var nodeIdFrom = "edgeIdFrom:".concat(this.id); - var nodeIdTo = "edgeIdTo:".concat(this.id); - var constants = { - nodes:{group:'', radius:7, borderWidth:2, borderWidthSelected: 2}, - physics:{damping:0}, - clustering: {maxNodeSizeIncrements: 0 ,nodeScaling: {width:0, height: 0, radius:0}} - }; - this.controlNodes.from = new Node( - {id:nodeIdFrom, - shape:'dot', - color:{background:'#ff0000', border:'#3c3c3c', highlight: {background:'#07f968'}} - },{},{},constants); - this.controlNodes.to = new Node( - {id:nodeIdTo, - shape:'dot', - color:{background:'#ff0000', border:'#3c3c3c', highlight: {background:'#07f968'}} - },{},{},constants); + TimeAxis.prototype._repaintLabels = function () { + var orientation = this.options.orientation; + + // calculate range and step (step such that we have space for 7 characters per label) + var start = util.convert(this.body.range.start, 'Number'); + var end = util.convert(this.body.range.end, 'Number'); + var timeLabelsize = this.body.util.toTime((this.props.minorCharWidth || 10) * 7).valueOf(); + var minimumStep = timeLabelsize - DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this.body.range, timeLabelsize); + minimumStep -= this.body.util.toTime(0).valueOf(); + + var step = new TimeStep(new Date(start), new Date(end), minimumStep, this.body.hiddenDates); + if (this.options.format) { + step.setFormat(this.options.format); + } + this.step = step; + + // Move all DOM elements to a "redundant" list, where they + // can be picked for re-use, and clear the lists with lines and texts. + // At the end of the function _repaintLabels, left over elements will be cleaned up + var dom = this.dom; + dom.redundant.lines = dom.lines; + dom.redundant.majorTexts = dom.majorTexts; + dom.redundant.minorTexts = dom.minorTexts; + dom.lines = []; + dom.majorTexts = []; + dom.minorTexts = []; + + var cur; + var x = 0; + var isMajor; + var xPrev = 0; + var width = 0; + var prevLine; + var xFirstMajorLabel = undefined; + var max = 0; + var className; + + step.first(); + while (step.hasNext() && max < 1000) { + max++; + + cur = step.getCurrent(); + isMajor = step.isMajor(); + className = step.getClassName(); + + xPrev = x; + x = this.body.util.toScreen(cur); + width = x - xPrev; + if (prevLine) { + prevLine.style.width = width + 'px'; } - this.controlNodes.positions = {}; - if (this.controlNodes.from.selected == false) { - this.controlNodes.positions.from = this.getControlNodeFromPosition(ctx); - this.controlNodes.from.x = this.controlNodes.positions.from.x; - this.controlNodes.from.y = this.controlNodes.positions.from.y; + if (this.options.showMinorLabels) { + this._repaintMinorText(x, step.getLabelMinor(), orientation, className); } - if (this.controlNodes.to.selected == false) { - this.controlNodes.positions.to = this.getControlNodeToPosition(ctx); - this.controlNodes.to.x = this.controlNodes.positions.to.x; - this.controlNodes.to.y = this.controlNodes.positions.to.y; + + if (isMajor && this.options.showMajorLabels) { + if (x > 0) { + if (xFirstMajorLabel == undefined) { + xFirstMajorLabel = x; + } + this._repaintMajorText(x, step.getLabelMajor(), orientation, className); + } + prevLine = this._repaintMajorLine(x, orientation, className); + } + else { + prevLine = this._repaintMinorLine(x, orientation, className); } - this.controlNodes.from.draw(ctx); - this.controlNodes.to.draw(ctx); + step.next(); } - else { - this.controlNodes = {from:null, to:null, positions:{}}; + + // create a major label on the left when needed + if (this.options.showMajorLabels) { + var leftTime = this.body.util.toTime(0), + leftText = step.getLabelMajor(leftTime), + widthText = leftText.length * (this.props.majorCharWidth || 10) + 10; // upper bound estimation + + if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { + this._repaintMajorText(0, leftText, orientation, className); + } } - }; - /** - * Enable control nodes. - * @private - */ - Edge.prototype._enableControlNodes = function() { - this.fromBackup = this.from; - this.toBackup = this.to; - this.controlNodesEnabled = true; + // Cleanup leftover DOM elements from the redundant list + util.forEach(this.dom.redundant, function (arr) { + while (arr.length) { + var elem = arr.pop(); + if (elem && elem.parentNode) { + elem.parentNode.removeChild(elem); + } + } + }); }; /** - * disable control nodes and remove from dynamicEdges from old node + * Create a minor label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @param {String} className * @private */ - Edge.prototype._disableControlNodes = function() { - this.fromId = this.from.id; - this.toId = this.to.id; - if (this.fromId != this.fromBackup.id) { // from was changed, remove edge from old 'from' node dynamic edges - this.fromBackup.detachEdge(this); - } - else if (this.toId != this.toBackup.id) { // to was changed, remove edge from old 'to' node dynamic edges - this.toBackup.detachEdge(this); + TimeAxis.prototype._repaintMinorText = function (x, text, orientation, className) { + // reuse redundant label + var label = this.dom.redundant.minorTexts.shift(); + + if (!label) { + // create new label + var content = document.createTextNode(''); + label = document.createElement('div'); + label.appendChild(content); + this.dom.foreground.appendChild(label); } + this.dom.minorTexts.push(label); - this.fromBackup = null; - this.toBackup = null; - this.controlNodesEnabled = false; - }; + label.childNodes[0].nodeValue = text; + label.style.top = (orientation == 'top') ? (this.props.majorLabelHeight + 'px') : '0'; + label.style.left = x + 'px'; + label.className = 'text minor ' + className; + //label.title = title; // TODO: this is a heavy operation + }; /** - * This checks if one of the control nodes is selected and if so, returns the control node object. Else it returns null. - * @param x - * @param y - * @returns {null} + * Create a Major label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @param {String} className * @private */ - Edge.prototype._getSelectedControlNode = function(x,y) { - var positions = this.controlNodes.positions; - var fromDistance = Math.sqrt(Math.pow(x - positions.from.x,2) + Math.pow(y - positions.from.y,2)); - var toDistance = Math.sqrt(Math.pow(x - positions.to.x ,2) + Math.pow(y - positions.to.y ,2)); + TimeAxis.prototype._repaintMajorText = function (x, text, orientation, className) { + // reuse redundant label + var label = this.dom.redundant.majorTexts.shift(); - if (fromDistance < 15) { - this.connectedNode = this.from; - this.from = this.controlNodes.from; - return this.controlNodes.from; - } - else if (toDistance < 15) { - this.connectedNode = this.to; - this.to = this.controlNodes.to; - return this.controlNodes.to; - } - else { - return null; + if (!label) { + // create label + var content = document.createTextNode(text); + label = document.createElement('div'); + label.appendChild(content); + this.dom.foreground.appendChild(label); } - }; + this.dom.majorTexts.push(label); + + label.childNodes[0].nodeValue = text; + label.className = 'text major ' + className; + //label.title = title; // TODO: this is a heavy operation + label.style.top = (orientation == 'top') ? '0' : (this.props.minorLabelHeight + 'px'); + label.style.left = x + 'px'; + }; /** - * this resets the control nodes to their original position. + * Create a minor line for the axis at position x + * @param {Number} x + * @param {String} orientation "top" or "bottom" (default) + * @param {String} className + * @return {Element} Returns the created line * @private */ - Edge.prototype._restoreControlNodes = function() { - if (this.controlNodes.from.selected == true) { - this.from = this.connectedNode; - this.connectedNode = null; - this.controlNodes.from.unselect(); - } - else if (this.controlNodes.to.selected == true) { - this.to = this.connectedNode; - this.connectedNode = null; - this.controlNodes.to.unselect(); + TimeAxis.prototype._repaintMinorLine = function (x, orientation, className) { + // reuse redundant line + var line = this.dom.redundant.lines.shift(); + if (!line) { + // create vertical line + line = document.createElement('div'); + this.dom.background.appendChild(line); } - }; + this.dom.lines.push(line); - /** - * this calculates the position of the control nodes on the edges of the parent nodes. - * - * @param ctx - * @returns {x: *, y: *} - */ - Edge.prototype.getControlNodeFromPosition = function(ctx) { - // draw arrow head - var controlnodeFromPos; - if (this.options.smoothCurves.enabled == true) { - controlnodeFromPos = this._findBorderPosition(true, ctx); + var props = this.props; + if (orientation == 'top') { + line.style.top = props.majorLabelHeight + 'px'; } else { - var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); - var dx = (this.to.x - this.from.x); - var dy = (this.to.y - this.from.y); - var edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); - - var fromBorderDist = this.from.distanceToBorder(ctx, angle + Math.PI); - var fromBorderPoint = (edgeSegmentLength - fromBorderDist) / edgeSegmentLength; - controlnodeFromPos = {}; - controlnodeFromPos.x = (fromBorderPoint) * this.from.x + (1 - fromBorderPoint) * this.to.x; - controlnodeFromPos.y = (fromBorderPoint) * this.from.y + (1 - fromBorderPoint) * this.to.y; + line.style.top = this.body.domProps.top.height + 'px'; } + line.style.height = props.minorLineHeight + 'px'; + line.style.left = (x - props.minorLineWidth / 2) + 'px'; - return controlnodeFromPos; + line.className = 'grid vertical minor ' + className; + + return line; }; /** - * this calculates the position of the control nodes on the edges of the parent nodes. - * - * @param ctx - * @returns {{from: {x: number, y: number}, to: {x: *, y: *}}} + * Create a Major line for the axis at position x + * @param {Number} x + * @param {String} orientation "top" or "bottom" (default) + * @param {String} className + * @return {Element} Returns the created line + * @private */ - Edge.prototype.getControlNodeToPosition = function(ctx) { - // draw arrow head - var controlnodeFromPos,controlnodeToPos; - if (this.options.smoothCurves.enabled == true) { - controlnodeToPos = this._findBorderPosition(false, ctx); + TimeAxis.prototype._repaintMajorLine = function (x, orientation, className) { + // reuse redundant line + var line = this.dom.redundant.lines.shift(); + if (!line) { + // create vertical line + line = document.createElement('div'); + this.dom.background.appendChild(line); } - else { - var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); - var dx = (this.to.x - this.from.x); - var dy = (this.to.y - this.from.y); - var edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); - var toBorderDist = this.to.distanceToBorder(ctx, angle); - var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength; + this.dom.lines.push(line); - controlnodeToPos = {}; - controlnodeToPos.x = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; - controlnodeToPos.y = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; + var props = this.props; + if (orientation == 'top') { + line.style.top = '0'; } + else { + line.style.top = this.body.domProps.top.height + 'px'; + } + line.style.left = (x - props.majorLineWidth / 2) + 'px'; + line.style.height = props.majorLineHeight + 'px'; - return controlnodeToPos; - }; - - module.exports = Edge; - -/***/ }, -/* 38 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - - /** - * @class Groups - * This class can store groups and properties specific for groups. - */ - function Groups() { - this.clear(); - this.defaultIndex = 0; - } + line.className = 'grid vertical major ' + className; + return line; + }; /** - * default constants for group colors + * Determine the size of text on the axis (both major and minor axis). + * The size is calculated only once and then cached in this.props. + * @private */ - Groups.DEFAULT = [ - {border: "#2B7CE9", background: "#97C2FC", highlight: {border: "#2B7CE9", background: "#D2E5FF"}, hover: {border: "#2B7CE9", background: "#D2E5FF"}}, // blue - {border: "#FFA500", background: "#FFFF00", highlight: {border: "#FFA500", background: "#FFFFA3"}, hover: {border: "#FFA500", background: "#FFFFA3"}}, // yellow - {border: "#FA0A10", background: "#FB7E81", highlight: {border: "#FA0A10", background: "#FFAFB1"}, hover: {border: "#FA0A10", background: "#FFAFB1"}}, // red - {border: "#41A906", background: "#7BE141", highlight: {border: "#41A906", background: "#A1EC76"}, hover: {border: "#41A906", background: "#A1EC76"}}, // green - {border: "#E129F0", background: "#EB7DF4", highlight: {border: "#E129F0", background: "#F0B3F5"}, hover: {border: "#E129F0", background: "#F0B3F5"}}, // magenta - {border: "#7C29F0", background: "#AD85E4", highlight: {border: "#7C29F0", background: "#D3BDF0"}, hover: {border: "#7C29F0", background: "#D3BDF0"}}, // purple - {border: "#C37F00", background: "#FFA807", highlight: {border: "#C37F00", background: "#FFCA66"}, hover: {border: "#C37F00", background: "#FFCA66"}}, // orange - {border: "#4220FB", background: "#6E6EFD", highlight: {border: "#4220FB", background: "#9B9BFD"}, hover: {border: "#4220FB", background: "#9B9BFD"}}, // darkblue - {border: "#FD5A77", background: "#FFC0CB", highlight: {border: "#FD5A77", background: "#FFD1D9"}, hover: {border: "#FD5A77", background: "#FFD1D9"}}, // pink - {border: "#4AD63A", background: "#C2FABC", highlight: {border: "#4AD63A", background: "#E6FFE3"}, hover: {border: "#4AD63A", background: "#E6FFE3"}} // mint - ]; + TimeAxis.prototype._calculateCharSize = function () { + // Note: We calculate char size with every redraw. Size may change, for + // example when any of the timelines parents had display:none for example. + // determine the char width and height on the minor axis + if (!this.dom.measureCharMinor) { + this.dom.measureCharMinor = document.createElement('DIV'); + this.dom.measureCharMinor.className = 'text minor measure'; + this.dom.measureCharMinor.style.position = 'absolute'; - /** - * Clear all groups - */ - Groups.prototype.clear = function () { - this.groups = {}; - this.groups.length = function() - { - var i = 0; - for ( var p in this ) { - if (this.hasOwnProperty(p)) { - i++; - } - } - return i; + this.dom.measureCharMinor.appendChild(document.createTextNode('0')); + this.dom.foreground.appendChild(this.dom.measureCharMinor); } - }; + this.props.minorCharHeight = this.dom.measureCharMinor.clientHeight; + this.props.minorCharWidth = this.dom.measureCharMinor.clientWidth; + // determine the char width and height on the major axis + if (!this.dom.measureCharMajor) { + this.dom.measureCharMajor = document.createElement('DIV'); + this.dom.measureCharMajor.className = 'text major measure'; + this.dom.measureCharMajor.style.position = 'absolute'; - /** - * get group properties of a groupname. If groupname is not found, a new group - * is added. - * @param {*} groupname Can be a number, string, Date, etc. - * @return {Object} group The created group, containing all group properties - */ - Groups.prototype.get = function (groupname) { - var group = this.groups[groupname]; - if (group == undefined) { - // create new group - var index = this.defaultIndex % Groups.DEFAULT.length; - this.defaultIndex++; - group = {}; - group.color = Groups.DEFAULT[index]; - this.groups[groupname] = group; + this.dom.measureCharMajor.appendChild(document.createTextNode('0')); + this.dom.foreground.appendChild(this.dom.measureCharMajor); } - - return group; + this.props.majorCharHeight = this.dom.measureCharMajor.clientHeight; + this.props.majorCharWidth = this.dom.measureCharMajor.clientWidth; }; /** - * Add a custom group style - * @param {String} groupname - * @param {Object} style An object containing borderColor, - * backgroundColor, etc. - * @return {Object} group The created group object + * Snap a date to a rounded value. + * The snap intervals are dependent on the current scale and step. + * @param {Date} date the date to be snapped. + * @return {Date} snappedDate */ - Groups.prototype.add = function (groupname, style) { - this.groups[groupname] = style; - return style; + TimeAxis.prototype.snap = function(date) { + return this.step.snap(date); }; - module.exports = Groups; + module.exports = TimeAxis; /***/ }, -/* 39 */ +/* 38 */ /***/ function(module, exports, __webpack_require__) { - /** - * @class Images - * This class loads images and keeps them stored. - */ - function Images() { - this.images = {}; - this.callback = undefined; - } - - /** - * Set an onload callback function. This will be called each time an image - * is loaded - * @param {function} callback - */ - Images.prototype.setOnloadCallback = function(callback) { - this.callback = callback; - }; + var moment = __webpack_require__(2); + var DateUtil = __webpack_require__(24); + var util = __webpack_require__(1); /** + * @constructor TimeStep + * The class TimeStep is an iterator for dates. You provide a start date and an + * end date. The class itself determines the best scale (step size) based on the + * provided start Date, end Date, and minimumStep. * - * @param {string} url Url of the image - * @param {string} url Url of an image to use if the url image is not found - * @return {Image} img The image object + * If minimumStep is provided, the step size is chosen as close as possible + * to the minimumStep but larger than minimumStep. If minimumStep is not + * provided, the scale is set to 1 DAY. + * The minimumStep should correspond with the onscreen size of about 6 characters + * + * Alternatively, you can set a scale by hand. + * After creation, you can initialize the class by executing first(). Then you + * can iterate from the start date to the end date via next(). You can check if + * the end date is reached with the function hasNext(). After each step, you can + * retrieve the current date via getCurrent(). + * The TimeStep has scales ranging from milliseconds, seconds, minutes, hours, + * days, to years. + * + * Version: 1.2 + * + * @param {Date} [start] The start date, for example new Date(2010, 9, 21) + * or new Date(2010, 9, 21, 23, 45, 00) + * @param {Date} [end] The end date + * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds */ - Images.prototype.load = function(url, brokenUrl) { - var img = this.images[url]; - if (img === undefined) { - // create the image - var me = this; - img = new Image(); - img.onload = function () { - - // IE11 fix -- thanks dponch! - if (this.width == 0) { - document.body.appendChild(this); - this.width = this.offsetWidth; - this.height = this.offsetHeight; - document.body.removeChild(this); - } + function TimeStep(start, end, minimumStep, hiddenDates) { + // variables + this.current = new Date(); + this._start = new Date(); + this._end = new Date(); - if (me.callback) { - me.images[url] = img; - me.callback(this); - } - }; + this.autoScale = true; + this.scale = 'day'; + this.step = 1; - img.onerror = function () { - if (brokenUrl === undefined) { - console.error("Could not load image:", url); - delete this.src; - if (me.callback) { - me.callback(this); - } - } - else { - this.src = brokenUrl; - } - }; + // initialize the range + this.setRange(start, end, minimumStep); - img.src = url; + // hidden Dates options + this.switchedDay = false; + this.switchedMonth = false; + this.switchedYear = false; + this.hiddenDates = hiddenDates; + if (hiddenDates === undefined) { + this.hiddenDates = []; } - return img; - }; - - module.exports = Images; - - -/***/ }, -/* 40 */ -/***/ function(module, exports, __webpack_require__) { + this.format = TimeStep.FORMAT; // default formatting + } - var util = __webpack_require__(1); + // Time formatting + TimeStep.FORMAT = { + minorLabels: { + millisecond:'SSS', + second: 's', + minute: 'HH:mm', + hour: 'HH:mm', + weekday: 'ddd D', + day: 'D', + month: 'MMM', + year: 'YYYY' + }, + majorLabels: { + millisecond:'HH:mm:ss', + second: 'D MMMM HH:mm', + minute: 'ddd D MMMM', + hour: 'ddd D MMMM', + weekday: 'MMMM YYYY', + day: 'MMMM YYYY', + month: 'YYYY', + year: '' + } + }; /** - * @class Node - * A node. A node can be connected to other nodes via one or multiple edges. - * @param {object} properties An object containing properties for the node. All - * properties are optional, except for the id. - * {number} id Id of the node. Required - * {string} label Text label for the node - * {number} x Horizontal position of the node - * {number} y Vertical position of the node - * {string} shape Node shape, available: - * "database", "circle", "ellipse", - * "box", "image", "text", "dot", - * "star", "triangle", "triangleDown", - * "square" - * {string} image An image url - * {string} title An title text, can be HTML - * {anytype} group A group name or number - * @param {Network.Images} imagelist A list with images. Only needed - * when the node has an image - * @param {Network.Groups} grouplist A list with groups. Needed for - * retrieving group properties - * @param {Object} constants An object with default values for - * example for the color - * + * Set custom formatting for the minor an major labels of the TimeStep. + * Both `minorLabels` and `majorLabels` are an Object with properties: + * 'millisecond, 'second, 'minute', 'hour', 'weekday, 'day, 'month, 'year'. + * @param {{minorLabels: Object, majorLabels: Object}} format */ - function Node(properties, imagelist, grouplist, networkConstants) { - var constants = util.selectiveBridgeObject(['nodes'],networkConstants); - this.options = constants.nodes; + TimeStep.prototype.setFormat = function (format) { + var defaultFormat = util.deepExtend({}, TimeStep.FORMAT); + this.format = util.deepExtend(defaultFormat, format); + }; - this.selected = false; - this.hover = false; + /** + * Set a new range + * If minimumStep is provided, the step size is chosen as close as possible + * to the minimumStep but larger than minimumStep. If minimumStep is not + * provided, the scale is set to 1 DAY. + * The minimumStep should correspond with the onscreen size of about 6 characters + * @param {Date} [start] The start date and time. + * @param {Date} [end] The end date and time. + * @param {int} [minimumStep] Optional. Minimum step size in milliseconds + */ + TimeStep.prototype.setRange = function(start, end, minimumStep) { + if (!(start instanceof Date) || !(end instanceof Date)) { + throw "No legal start or end date in method setRange"; + } - this.edges = []; // all edges connected to this node - this.dynamicEdges = []; - this.reroutedEdges = {}; + this._start = (start != undefined) ? new Date(start.valueOf()) : new Date(); + this._end = (end != undefined) ? new Date(end.valueOf()) : new Date(); - this.fontDrawThreshold = 3; + if (this.autoScale) { + this.setMinimumStep(minimumStep); + } + }; - // set defaults for the properties - this.id = undefined; - this.allowedToMoveX = false; - this.allowedToMoveY = false; - this.xFixed = false; - this.yFixed = false; - this.horizontalAlignLeft = true; // these are for the navigation controls - this.verticalAlignTop = true; // these are for the navigation controls - this.baseRadiusValue = networkConstants.nodes.radius; - this.radiusFixed = false; - this.level = -1; - this.preassignedLevel = false; - this.hierarchyEnumerated = false; - this.labelDimensions = {top:0, left:0, width:0, height:0, yLine:0}; // could be cached - this.boundingBox = {top:0, left:0, right:0, bottom:0}; + /** + * Set the range iterator to the start date. + */ + TimeStep.prototype.first = function() { + this.current = new Date(this._start.valueOf()); + this.roundToMinor(); + }; - this.imagelist = imagelist; - this.grouplist = grouplist; + /** + * Round the current date to the first minor date value + * This must be executed once when the current date is set to start Date + */ + TimeStep.prototype.roundToMinor = function() { + // round to floor + // IMPORTANT: we have no breaks in this switch! (this is no bug) + // noinspection FallThroughInSwitchStatementJS + switch (this.scale) { + case 'year': + this.current.setFullYear(this.step * Math.floor(this.current.getFullYear() / this.step)); + this.current.setMonth(0); + case 'month': this.current.setDate(1); + case 'day': // intentional fall through + case 'weekday': this.current.setHours(0); + case 'hour': this.current.setMinutes(0); + case 'minute': this.current.setSeconds(0); + case 'second': this.current.setMilliseconds(0); + //case 'millisecond': // nothing to do for milliseconds + } - // physics properties - this.fx = 0.0; // external force x - this.fy = 0.0; // external force y - this.vx = 0.0; // velocity x - this.vy = 0.0; // velocity y - this.x = null; - this.y = null; + if (this.step != 1) { + // round down to the first minor value that is a multiple of the current step size + switch (this.scale) { + case 'millisecond': this.current.setMilliseconds(this.current.getMilliseconds() - this.current.getMilliseconds() % this.step); break; + case 'second': this.current.setSeconds(this.current.getSeconds() - this.current.getSeconds() % this.step); break; + case 'minute': this.current.setMinutes(this.current.getMinutes() - this.current.getMinutes() % this.step); break; + case 'hour': this.current.setHours(this.current.getHours() - this.current.getHours() % this.step); break; + case 'weekday': // intentional fall through + case 'day': this.current.setDate((this.current.getDate()-1) - (this.current.getDate()-1) % this.step + 1); break; + case 'month': this.current.setMonth(this.current.getMonth() - this.current.getMonth() % this.step); break; + case 'year': this.current.setFullYear(this.current.getFullYear() - this.current.getFullYear() % this.step); break; + default: break; + } + } + }; - // used for reverting to previous position on stabilization - this.previousState = {vx:0,vy:0,x:0,y:0}; + /** + * Check if the there is a next step + * @return {boolean} true if the current date has not passed the end date + */ + TimeStep.prototype.hasNext = function () { + return (this.current.valueOf() <= this._end.valueOf()); + }; - this.damping = networkConstants.physics.damping; // written every time gravity is calculated - this.fixedData = {x:null,y:null}; + /** + * Do the next step + */ + TimeStep.prototype.next = function() { + var prev = this.current.valueOf(); - this.setProperties(properties, constants); + // Two cases, needed to prevent issues with switching daylight savings + // (end of March and end of October) + if (this.current.getMonth() < 6) { + switch (this.scale) { + case 'millisecond': - // creating the variables for clustering - this.resetCluster(); - this.dynamicEdgesLength = 0; - this.clusterSession = 0; - this.clusterSizeWidthFactor = networkConstants.clustering.nodeScaling.width; - this.clusterSizeHeightFactor = networkConstants.clustering.nodeScaling.height; - this.clusterSizeRadiusFactor = networkConstants.clustering.nodeScaling.radius; - this.maxNodeSizeIncrements = networkConstants.clustering.maxNodeSizeIncrements; - this.growthIndicator = 0; + this.current = new Date(this.current.valueOf() + this.step); break; + case 'second': this.current = new Date(this.current.valueOf() + this.step * 1000); break; + case 'minute': this.current = new Date(this.current.valueOf() + this.step * 1000 * 60); break; + case 'hour': + this.current = new Date(this.current.valueOf() + this.step * 1000 * 60 * 60); + // in case of skipping an hour for daylight savings, adjust the hour again (else you get: 0h 5h 9h ... instead of 0h 4h 8h ...) + var h = this.current.getHours(); + this.current.setHours(h - (h % this.step)); + break; + case 'weekday': // intentional fall through + case 'day': this.current.setDate(this.current.getDate() + this.step); break; + case 'month': this.current.setMonth(this.current.getMonth() + this.step); break; + case 'year': this.current.setFullYear(this.current.getFullYear() + this.step); break; + default: break; + } + } + else { + switch (this.scale) { + case 'millisecond': this.current = new Date(this.current.valueOf() + this.step); break; + case 'second': this.current.setSeconds(this.current.getSeconds() + this.step); break; + case 'minute': this.current.setMinutes(this.current.getMinutes() + this.step); break; + case 'hour': this.current.setHours(this.current.getHours() + this.step); break; + case 'weekday': // intentional fall through + case 'day': this.current.setDate(this.current.getDate() + this.step); break; + case 'month': this.current.setMonth(this.current.getMonth() + this.step); break; + case 'year': this.current.setFullYear(this.current.getFullYear() + this.step); break; + default: break; + } + } - // variables to tell the node about the network. - this.networkScaleInv = 1; - this.networkScale = 1; - this.canvasTopLeft = {"x": -300, "y": -300}; - this.canvasBottomRight = {"x": 300, "y": 300}; - this.parentEdgeId = null; - } + if (this.step != 1) { + // round down to the correct major value + switch (this.scale) { + case 'millisecond': if(this.current.getMilliseconds() < this.step) this.current.setMilliseconds(0); break; + case 'second': if(this.current.getSeconds() < this.step) this.current.setSeconds(0); break; + case 'minute': if(this.current.getMinutes() < this.step) this.current.setMinutes(0); break; + case 'hour': if(this.current.getHours() < this.step) this.current.setHours(0); break; + case 'weekday': // intentional fall through + case 'day': if(this.current.getDate() < this.step+1) this.current.setDate(1); break; + case 'month': if(this.current.getMonth() < this.step) this.current.setMonth(0); break; + case 'year': break; // nothing to do for year + default: break; + } + } + // safety mechanism: if current time is still unchanged, move to the end + if (this.current.valueOf() == prev) { + this.current = new Date(this._end.valueOf()); + } - /** - * Revert the position and velocity of the previous step. - */ - Node.prototype.revertPosition = function() { - this.x = this.previousState.x; - this.y = this.previousState.y; - this.vx = this.previousState.vx; - this.vy = this.previousState.vy; - } + DateUtil.stepOverHiddenDates(this, prev); + }; /** - * (re)setting the clustering variables and objects + * Get the current datetime + * @return {Date} current The current date */ - Node.prototype.resetCluster = function() { - // clustering variables - this.formationScale = undefined; // this is used to determine when to open the cluster - this.clusterSize = 1; // this signifies the total amount of nodes in this cluster - this.containedNodes = {}; - this.containedEdges = {}; - this.clusterSessions = []; + TimeStep.prototype.getCurrent = function() { + return this.current; }; /** - * Attach a edge to the node - * @param {Edge} edge + * Set a custom scale. Autoscaling will be disabled. + * For example setScale(SCALE.MINUTES, 5) will result + * in minor steps of 5 minutes, and major steps of an hour. + * + * @param {string} newScale + * A scale. Choose from 'millisecond, 'second, + * 'minute', 'hour', 'weekday, 'day, 'month, 'year'. + * @param {Number} newStep A step size, by default 1. Choose for + * example 1, 2, 5, or 10. */ - Node.prototype.attachEdge = function(edge) { - if (this.edges.indexOf(edge) == -1) { - this.edges.push(edge); - } - if (this.dynamicEdges.indexOf(edge) == -1) { - this.dynamicEdges.push(edge); + TimeStep.prototype.setScale = function(newScale, newStep) { + this.scale = newScale; + + if (newStep > 0) { + this.step = newStep; } - this.dynamicEdgesLength = this.dynamicEdges.length; + + this.autoScale = false; }; /** - * Detach a edge from the node - * @param {Edge} edge + * Enable or disable autoscaling + * @param {boolean} enable If true, autoascaling is set true */ - Node.prototype.detachEdge = function(edge) { - var index = this.edges.indexOf(edge); - if (index != -1) { - this.edges.splice(index, 1); - } - index = this.dynamicEdges.indexOf(edge); - if (index != -1) { - this.dynamicEdges.splice(index, 1); - } - this.dynamicEdgesLength = this.dynamicEdges.length; + TimeStep.prototype.setAutoScale = function (enable) { + this.autoScale = enable; }; /** - * Set or overwrite properties for the node - * @param {Object} properties an object with properties - * @param {Object} constants and object with default, global properties + * Automatically determine the scale that bests fits the provided minimum step + * @param {Number} [minimumStep] The minimum step size in milliseconds */ - Node.prototype.setProperties = function(properties, constants) { - if (!properties) { + TimeStep.prototype.setMinimumStep = function(minimumStep) { + if (minimumStep == undefined) { return; } - var fields = ['borderWidth','borderWidthSelected','shape','image','brokenImage','radius','fontColor', - 'fontSize','fontFace','fontFill','fontStrokeWidth','fontStrokeColor','group','mass' - ]; - util.selectiveDeepExtend(fields, this.options, properties); + //var b = asc + ds; - // basic properties - if (properties.id !== undefined) {this.id = properties.id;} - if (properties.label !== undefined) {this.label = properties.label; this.originalLabel = properties.label;} - if (properties.title !== undefined) {this.title = properties.title;} - if (properties.x !== undefined) {this.x = properties.x;} - if (properties.y !== undefined) {this.y = properties.y;} - if (properties.value !== undefined) {this.value = properties.value;} - if (properties.level !== undefined) {this.level = properties.level; this.preassignedLevel = true;} + var stepYear = (1000 * 60 * 60 * 24 * 30 * 12); + var stepMonth = (1000 * 60 * 60 * 24 * 30); + var stepDay = (1000 * 60 * 60 * 24); + var stepHour = (1000 * 60 * 60); + var stepMinute = (1000 * 60); + var stepSecond = (1000); + var stepMillisecond= (1); - // navigation controls properties - if (properties.horizontalAlignLeft !== undefined) {this.horizontalAlignLeft = properties.horizontalAlignLeft;} - if (properties.verticalAlignTop !== undefined) {this.verticalAlignTop = properties.verticalAlignTop;} - if (properties.triggerFunction !== undefined) {this.triggerFunction = properties.triggerFunction;} + // find the smallest step that is larger than the provided minimumStep + if (stepYear*1000 > minimumStep) {this.scale = 'year'; this.step = 1000;} + if (stepYear*500 > minimumStep) {this.scale = 'year'; this.step = 500;} + if (stepYear*100 > minimumStep) {this.scale = 'year'; this.step = 100;} + if (stepYear*50 > minimumStep) {this.scale = 'year'; this.step = 50;} + if (stepYear*10 > minimumStep) {this.scale = 'year'; this.step = 10;} + if (stepYear*5 > minimumStep) {this.scale = 'year'; this.step = 5;} + if (stepYear > minimumStep) {this.scale = 'year'; this.step = 1;} + if (stepMonth*3 > minimumStep) {this.scale = 'month'; this.step = 3;} + if (stepMonth > minimumStep) {this.scale = 'month'; this.step = 1;} + if (stepDay*5 > minimumStep) {this.scale = 'day'; this.step = 5;} + if (stepDay*2 > minimumStep) {this.scale = 'day'; this.step = 2;} + if (stepDay > minimumStep) {this.scale = 'day'; this.step = 1;} + if (stepDay/2 > minimumStep) {this.scale = 'weekday'; this.step = 1;} + if (stepHour*4 > minimumStep) {this.scale = 'hour'; this.step = 4;} + if (stepHour > minimumStep) {this.scale = 'hour'; this.step = 1;} + if (stepMinute*15 > minimumStep) {this.scale = 'minute'; this.step = 15;} + if (stepMinute*10 > minimumStep) {this.scale = 'minute'; this.step = 10;} + if (stepMinute*5 > minimumStep) {this.scale = 'minute'; this.step = 5;} + if (stepMinute > minimumStep) {this.scale = 'minute'; this.step = 1;} + if (stepSecond*15 > minimumStep) {this.scale = 'second'; this.step = 15;} + if (stepSecond*10 > minimumStep) {this.scale = 'second'; this.step = 10;} + if (stepSecond*5 > minimumStep) {this.scale = 'second'; this.step = 5;} + if (stepSecond > minimumStep) {this.scale = 'second'; this.step = 1;} + if (stepMillisecond*200 > minimumStep) {this.scale = 'millisecond'; this.step = 200;} + if (stepMillisecond*100 > minimumStep) {this.scale = 'millisecond'; this.step = 100;} + if (stepMillisecond*50 > minimumStep) {this.scale = 'millisecond'; this.step = 50;} + if (stepMillisecond*10 > minimumStep) {this.scale = 'millisecond'; this.step = 10;} + if (stepMillisecond*5 > minimumStep) {this.scale = 'millisecond'; this.step = 5;} + if (stepMillisecond > minimumStep) {this.scale = 'millisecond'; this.step = 1;} + }; - if (this.id === undefined) { - throw "Node must have an id"; - } + /** + * Snap a date to a rounded value. + * The snap intervals are dependent on the current scale and step. + * @param {Date} date the date to be snapped. + * @return {Date} snappedDate + */ + TimeStep.prototype.snap = function(date) { + var clone = new Date(date.valueOf()); - // copy group properties - if (typeof this.options.group === 'number' || (typeof this.options.group === 'string' && this.options.group != '')) { - var groupObj = this.grouplist.get(this.options.group); - util.deepExtend(this.options, groupObj); - // the color object needs to be completely defined. Since groups can partially overwrite the colors, we parse it again, just in case. - this.options.color = util.parseColor(this.options.color); + if (this.scale == 'year') { + var year = clone.getFullYear() + Math.round(clone.getMonth() / 12); + clone.setFullYear(Math.round(year / this.step) * this.step); + clone.setMonth(0); + clone.setDate(0); + clone.setHours(0); + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); } - - // individual shape properties - if (properties.radius !== undefined) {this.baseRadiusValue = this.options.radius;} - if (properties.color !== undefined) {this.options.color = util.parseColor(properties.color);} - if (this.options.image !== undefined && this.options.image!= "") { - if (this.imagelist) { - this.imageObj = this.imagelist.load(this.options.image, this.options.brokenImage); + else if (this.scale == 'month') { + if (clone.getDate() > 15) { + clone.setDate(1); + clone.setMonth(clone.getMonth() + 1); + // important: first set Date to 1, after that change the month. } else { - throw "No imagelist provided"; + clone.setDate(1); } - } - if (properties.allowedToMoveX !== undefined) { - this.xFixed = !properties.allowedToMoveX; - this.allowedToMoveX = properties.allowedToMoveX; + clone.setHours(0); + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); } - else if (properties.x !== undefined && this.allowedToMoveX == false) { - this.xFixed = true; + else if (this.scale == 'day') { + //noinspection FallthroughInSwitchStatementJS + switch (this.step) { + case 5: + case 2: + clone.setHours(Math.round(clone.getHours() / 24) * 24); break; + default: + clone.setHours(Math.round(clone.getHours() / 12) * 12); break; + } + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); } - - - if (properties.allowedToMoveY !== undefined) { - this.yFixed = !properties.allowedToMoveY; - this.allowedToMoveY = properties.allowedToMoveY; + else if (this.scale == 'weekday') { + //noinspection FallthroughInSwitchStatementJS + switch (this.step) { + case 5: + case 2: + clone.setHours(Math.round(clone.getHours() / 12) * 12); break; + default: + clone.setHours(Math.round(clone.getHours() / 6) * 6); break; + } + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); } - else if (properties.y !== undefined && this.allowedToMoveY == false) { - this.yFixed = true; + else if (this.scale == 'hour') { + switch (this.step) { + case 4: + clone.setMinutes(Math.round(clone.getMinutes() / 60) * 60); break; + default: + clone.setMinutes(Math.round(clone.getMinutes() / 30) * 30); break; + } + clone.setSeconds(0); + clone.setMilliseconds(0); + } else if (this.scale == 'minute') { + //noinspection FallthroughInSwitchStatementJS + switch (this.step) { + case 15: + case 10: + clone.setMinutes(Math.round(clone.getMinutes() / 5) * 5); + clone.setSeconds(0); + break; + case 5: + clone.setSeconds(Math.round(clone.getSeconds() / 60) * 60); break; + default: + clone.setSeconds(Math.round(clone.getSeconds() / 30) * 30); break; + } + clone.setMilliseconds(0); } - - this.radiusFixed = this.radiusFixed || (properties.radius !== undefined); - - if (this.options.shape === 'image' || this.options.shape === 'circularImage') { - this.options.radiusMin = constants.nodes.widthMin; - this.options.radiusMax = constants.nodes.widthMax; + else if (this.scale == 'second') { + //noinspection FallthroughInSwitchStatementJS + switch (this.step) { + case 15: + case 10: + clone.setSeconds(Math.round(clone.getSeconds() / 5) * 5); + clone.setMilliseconds(0); + break; + case 5: + clone.setMilliseconds(Math.round(clone.getMilliseconds() / 1000) * 1000); break; + default: + clone.setMilliseconds(Math.round(clone.getMilliseconds() / 500) * 500); break; + } } - - // choose draw method depending on the shape - switch (this.options.shape) { - case 'database': this.draw = this._drawDatabase; this.resize = this._resizeDatabase; break; - case 'box': this.draw = this._drawBox; this.resize = this._resizeBox; break; - case 'circle': this.draw = this._drawCircle; this.resize = this._resizeCircle; break; - case 'ellipse': this.draw = this._drawEllipse; this.resize = this._resizeEllipse; break; - // TODO: add diamond shape - case 'image': this.draw = this._drawImage; this.resize = this._resizeImage; break; - case 'circularImage': this.draw = this._drawCircularImage; this.resize = this._resizeCircularImage; break; - case 'text': this.draw = this._drawText; this.resize = this._resizeText; break; - case 'dot': this.draw = this._drawDot; this.resize = this._resizeShape; break; - case 'square': this.draw = this._drawSquare; this.resize = this._resizeShape; break; - case 'triangle': this.draw = this._drawTriangle; this.resize = this._resizeShape; break; - case 'triangleDown': this.draw = this._drawTriangleDown; this.resize = this._resizeShape; break; - case 'star': this.draw = this._drawStar; this.resize = this._resizeShape; break; - default: this.draw = this._drawEllipse; this.resize = this._resizeEllipse; break; + else if (this.scale == 'millisecond') { + var step = this.step > 5 ? this.step / 2 : 1; + clone.setMilliseconds(Math.round(clone.getMilliseconds() / step) * step); } - // reset the size of the node, this can be changed - this._reset(); - + + return clone; }; /** - * select this node + * Check if the current value is a major value (for example when the step + * is DAY, a major value is each first day of the MONTH) + * @return {boolean} true if current date is major, else false. */ - Node.prototype.select = function() { - this.selected = true; - this._reset(); - }; + TimeStep.prototype.isMajor = function() { + if (this.switchedYear == true) { + this.switchedYear = false; + switch (this.scale) { + case 'year': + case 'month': + case 'weekday': + case 'day': + case 'hour': + case 'minute': + case 'second': + case 'millisecond': + return true; + default: + return false; + } + } + else if (this.switchedMonth == true) { + this.switchedMonth = false; + switch (this.scale) { + case 'weekday': + case 'day': + case 'hour': + case 'minute': + case 'second': + case 'millisecond': + return true; + default: + return false; + } + } + else if (this.switchedDay == true) { + this.switchedDay = false; + switch (this.scale) { + case 'millisecond': + case 'second': + case 'minute': + case 'hour': + return true; + default: + return false; + } + } - /** - * unselect this node - */ - Node.prototype.unselect = function() { - this.selected = false; - this._reset(); + switch (this.scale) { + case 'millisecond': + return (this.current.getMilliseconds() == 0); + case 'second': + return (this.current.getSeconds() == 0); + case 'minute': + return (this.current.getHours() == 0) && (this.current.getMinutes() == 0); + case 'hour': + return (this.current.getHours() == 0); + case 'weekday': // intentional fall through + case 'day': + return (this.current.getDate() == 1); + case 'month': + return (this.current.getMonth() == 0); + case 'year': + return false; + default: + return false; + } }; /** - * Reset the calculated size of the node, forces it to recalculate its size + * Returns formatted text for the minor axislabel, depending on the current + * date and the scale. For example when scale is MINUTE, the current time is + * formatted as "hh:mm". + * @param {Date} [date] custom date. if not provided, current date is taken */ - Node.prototype.clearSizeCache = function() { - this._reset(); - }; + TimeStep.prototype.getLabelMinor = function(date) { + if (date == undefined) { + date = this.current; + } - /** - * Reset the calculated size of the node, forces it to recalculate its size - * @private - */ - Node.prototype._reset = function() { - this.width = undefined; - this.height = undefined; + var format = this.format.minorLabels[this.scale]; + return (format && format.length > 0) ? moment(date).format(format) : ''; }; /** - * get the title of this node. - * @return {string} title The title of the node, or undefined when no title - * has been set. + * Returns formatted text for the major axis label, depending on the current + * date and the scale. For example when scale is MINUTE, the major scale is + * hours, and the hour will be formatted as "hh". + * @param {Date} [date] custom date. if not provided, current date is taken */ - Node.prototype.getTitle = function() { - return typeof this.title === "function" ? this.title() : this.title; + TimeStep.prototype.getLabelMajor = function(date) { + if (date == undefined) { + date = this.current; + } + + var format = this.format.majorLabels[this.scale]; + return (format && format.length > 0) ? moment(date).format(format) : ''; }; - /** - * Calculate the distance to the border of the Node - * @param {CanvasRenderingContext2D} ctx - * @param {Number} angle Angle in radians - * @returns {number} distance Distance to the border in pixels - */ - Node.prototype.distanceToBorder = function (ctx, angle) { - var borderWidth = 1; + TimeStep.prototype.getClassName = function() { + var m = moment(this.current); + var date = m.locale ? m.locale('en') : m.lang('en'); // old versions of moment have .lang() function + var step = this.step; - if (!this.width) { - this.resize(ctx); + function even(value) { + return (value / step % 2 == 0) ? ' even' : ' odd'; } - switch (this.options.shape) { - case 'circle': - case 'dot': - return this.options.radius+ borderWidth; - - case 'ellipse': - var a = this.width / 2; - var b = this.height / 2; - var w = (Math.sin(angle) * a); - var h = (Math.cos(angle) * b); - return a * b / Math.sqrt(w * w + h * h); + function today(date) { + if (date.isSame(new Date(), 'day')) { + return ' today'; + } + if (date.isSame(moment().add(1, 'day'), 'day')) { + return ' tomorrow'; + } + if (date.isSame(moment().add(-1, 'day'), 'day')) { + return ' yesterday'; + } + return ''; + } - // TODO: implement distanceToBorder for database - // TODO: implement distanceToBorder for triangle - // TODO: implement distanceToBorder for triangleDown + function currentWeek(date) { + return date.isSame(new Date(), 'week') ? ' current-week' : ''; + } - case 'box': - case 'image': - case 'text': - default: - if (this.width) { - return Math.min( - Math.abs(this.width / 2 / Math.cos(angle)), - Math.abs(this.height / 2 / Math.sin(angle))) + borderWidth; - // TODO: reckon with border radius too in case of box - } - else { - return 0; - } + function currentMonth(date) { + return date.isSame(new Date(), 'month') ? ' current-month' : ''; + } + function currentYear(date) { + return date.isSame(new Date(), 'year') ? ' current-year' : ''; } - // TODO: implement calculation of distance to border for all shapes - }; - /** - * Set forces acting on the node - * @param {number} fx Force in horizontal direction - * @param {number} fy Force in vertical direction - */ - Node.prototype._setForce = function(fx, fy) { - this.fx = fx; - this.fy = fy; - }; + switch (this.scale) { + case 'millisecond': + return even(date.milliseconds()).trim(); - /** - * Add forces acting on the node - * @param {number} fx Force in horizontal direction - * @param {number} fy Force in vertical direction - * @private - */ - Node.prototype._addForce = function(fx, fy) { - this.fx += fx; - this.fy += fy; - }; + case 'second': + return even(date.seconds()).trim(); - /** - * Store the state before the next step - */ - Node.prototype.storeState = function() { - this.previousState.x = this.x; - this.previousState.y = this.y; - this.previousState.vx = this.vx; - this.previousState.vy = this.vy; - } + case 'minute': + return even(date.minutes()).trim(); - /** - * Perform one discrete step for the node - * @param {number} interval Time interval in seconds - */ - Node.prototype.discreteStep = function(interval) { - this.storeState(); - if (!this.xFixed) { - var dx = this.damping * this.vx; // damping force - var ax = (this.fx - dx) / this.options.mass; // acceleration - this.vx += ax * interval; // velocity - this.x += this.vx * interval; // position - } - else { - this.fx = 0; - this.vx = 0; - } + case 'hour': + var hours = date.hours(); + if (this.step == 4) { + hours = hours + '-' + (hours + 4); + } + return hours + 'h' + today(date) + even(date.hours()); - if (!this.yFixed) { - var dy = this.damping * this.vy; // damping force - var ay = (this.fy - dy) / this.options.mass; // acceleration - this.vy += ay * interval; // velocity - this.y += this.vy * interval; // position - } - else { - this.fy = 0; - this.vy = 0; - } - }; + case 'weekday': + return date.format('dddd').toLowerCase() + + today(date) + currentWeek(date) + even(date.date()); + case 'day': + var day = date.date(); + var month = date.format('MMMM').toLowerCase(); + return 'day' + day + ' ' + month + currentMonth(date) + even(day - 1); + case 'month': + return date.format('MMMM').toLowerCase() + + currentMonth(date) + even(date.month()); - /** - * Perform one discrete step for the node - * @param {number} interval Time interval in seconds - * @param {number} maxVelocity The speed limit imposed on the velocity - */ - Node.prototype.discreteStepLimited = function(interval, maxVelocity) { - this.storeState(); - if (!this.xFixed) { - var dx = this.damping * this.vx; // damping force - var ax = (this.fx - dx) / this.options.mass; // acceleration - this.vx += ax * interval; // velocity - this.vx = (Math.abs(this.vx) > maxVelocity) ? ((this.vx > 0) ? maxVelocity : -maxVelocity) : this.vx; - this.x += this.vx * interval; // position - } - else { - this.fx = 0; - this.vx = 0; - } + case 'year': + var year = date.year(); + return 'year' + year + currentYear(date)+ even(year); - if (!this.yFixed) { - var dy = this.damping * this.vy; // damping force - var ay = (this.fy - dy) / this.options.mass; // acceleration - this.vy += ay * interval; // velocity - this.vy = (Math.abs(this.vy) > maxVelocity) ? ((this.vy > 0) ? maxVelocity : -maxVelocity) : this.vy; - this.y += this.vy * interval; // position - } - else { - this.fy = 0; - this.vy = 0; + default: + return ''; } }; - /** - * Check if this node has a fixed x and y position - * @return {boolean} true if fixed, false if not - */ - Node.prototype.isFixed = function() { - return (this.xFixed && this.yFixed); - }; + module.exports = TimeStep; - /** - * Check if this node is moving - * @param {number} vmin the minimum velocity considered as "moving" - * @return {boolean} true if moving, false if it has no velocity - */ - Node.prototype.isMoving = function(vmin) { - var velocity = Math.sqrt(Math.pow(this.vx,2) + Math.pow(this.vy,2)); - // this.velocity = Math.sqrt(Math.pow(this.vx,2) + Math.pow(this.vy,2)) - return (velocity > vmin); - }; - /** - * check if this node is selecte - * @return {boolean} selected True if node is selected, else false - */ - Node.prototype.isSelected = function() { - return this.selected; - }; +/***/ }, +/* 39 */ +/***/ function(module, exports, __webpack_require__) { - /** - * Retrieve the value of the node. Can be undefined - * @return {Number} value - */ - Node.prototype.getValue = function() { - return this.value; - }; + var util = __webpack_require__(1); + var Component = __webpack_require__(23); + var moment = __webpack_require__(2); + var locales = __webpack_require__(40); /** - * Calculate the distance from the nodes location to the given location (x,y) - * @param {Number} x - * @param {Number} y - * @return {Number} value + * A current time bar + * @param {{range: Range, dom: Object, domProps: Object}} body + * @param {Object} [options] Available parameters: + * {Boolean} [showCurrentTime] + * @constructor CurrentTime + * @extends Component */ - Node.prototype.getDistance = function(x, y) { - var dx = this.x - x, - dy = this.y - y; - return Math.sqrt(dx * dx + dy * dy); - }; + function CurrentTime (body, options) { + this.body = body; + + // default options + this.defaultOptions = { + showCurrentTime: true, + locales: locales, + locale: 'en' + }; + this.options = util.extend({}, this.defaultOptions); + this.offset = 0; + + this._create(); + + this.setOptions(options); + } + + CurrentTime.prototype = new Component(); /** - * Adjust the value range of the node. The node will adjust it's radius - * based on its value. - * @param {Number} min - * @param {Number} max + * Create the HTML DOM for the current time bar + * @private */ - Node.prototype.setValueRange = function(min, max) { - if (!this.radiusFixed && this.value !== undefined) { - if (max == min) { - this.options.radius= (this.options.radiusMin + this.options.radiusMax) / 2; - } - else { - var scale = (this.options.radiusMax - this.options.radiusMin) / (max - min); - this.options.radius= (this.value - min) * scale + this.options.radiusMin; - } - } - this.baseRadiusValue = this.options.radius; + CurrentTime.prototype._create = function() { + var bar = document.createElement('div'); + bar.className = 'currenttime'; + bar.style.position = 'absolute'; + bar.style.top = '0px'; + bar.style.height = '100%'; + + this.bar = bar; }; /** - * Draw this node in the given canvas - * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); - * @param {CanvasRenderingContext2D} ctx + * Destroy the CurrentTime bar */ - Node.prototype.draw = function(ctx) { - throw "Draw method not initialized for node"; + CurrentTime.prototype.destroy = function () { + this.options.showCurrentTime = false; + this.redraw(); // will remove the bar from the DOM and stop refreshing + + this.body = null; }; /** - * Recalculate the size of this node in the given canvas - * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); - * @param {CanvasRenderingContext2D} ctx + * Set options for the component. Options will be merged in current options. + * @param {Object} options Available parameters: + * {boolean} [showCurrentTime] */ - Node.prototype.resize = function(ctx) { - throw "Resize method not initialized for node"; + CurrentTime.prototype.setOptions = function(options) { + if (options) { + // copy all options that we know + util.selectiveExtend(['showCurrentTime', 'locale', 'locales'], this.options, options); + } }; /** - * Check if this object is overlapping with the provided object - * @param {Object} obj an object with parameters left, top, right, bottom - * @return {boolean} True if location is located on node + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - Node.prototype.isOverlappingWith = function(obj) { - return (this.left < obj.right && - this.left + this.width > obj.left && - this.top < obj.bottom && - this.top + this.height > obj.top); - }; - - Node.prototype._resizeImage = function (ctx) { - // TODO: pre calculate the image size - - if (!this.width || !this.height) { // undefined or 0 - var width, height; - if (this.value) { - this.options.radius= this.baseRadiusValue; - var scale = this.imageObj.height / this.imageObj.width; - if (scale !== undefined) { - width = this.options.radius|| this.imageObj.width; - height = this.options.radius* scale || this.imageObj.height; - } - else { - width = 0; - height = 0; + CurrentTime.prototype.redraw = function() { + if (this.options.showCurrentTime) { + var parent = this.body.dom.backgroundVertical; + if (this.bar.parentNode != parent) { + // attach to the dom + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); } - } - else { - width = this.imageObj.width; - height = this.imageObj.height; - } - this.width = width; - this.height = height; + parent.appendChild(this.bar); - this.growthIndicator = 0; - if (this.width > 0 && this.height > 0) { - this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; - this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; - this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; - this.growthIndicator = this.width - width; + this.start(); } - } - - }; - - Node.prototype._drawImageAtPosition = function (ctx) { - if (this.imageObj.width != 0 ) { - // draw the shade - if (this.clusterSize > 1) { - var lineWidth = ((this.clusterSize > 1) ? 10 : 0.0); - lineWidth *= this.networkScaleInv; - lineWidth = Math.min(0.2 * this.width,lineWidth); - ctx.globalAlpha = 0.5; - ctx.drawImage(this.imageObj, this.left - lineWidth, this.top - lineWidth, this.width + 2*lineWidth, this.height + 2*lineWidth); - } + var now = new Date(new Date().valueOf() + this.offset); + var x = this.body.util.toScreen(now); - // draw the image - ctx.globalAlpha = 1.0; - ctx.drawImage(this.imageObj, this.left, this.top, this.width, this.height); - } - }; + var locale = this.options.locales[this.options.locale]; + var title = locale.current + ' ' + locale.time + ': ' + moment(now).format('dddd, MMMM Do YYYY, H:mm:ss'); + title = title.charAt(0).toUpperCase() + title.substring(1); - Node.prototype._drawImageLabel = function (ctx) { - var yLabel; - if (this.imageObj.width != 0 ) { - yLabel = this.y + this.height / 2; + this.bar.style.left = x + 'px'; + this.bar.title = title; } else { - // image still loading... just draw the label for now - yLabel = this.y; + // remove the line from the DOM + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); + } + this.stop(); } - this._label(ctx, this.label, this.x, yLabel, undefined, 'hanging'); - }; - - Node.prototype._drawImage = function (ctx) { - this._resizeImage(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - - this._drawImageAtPosition(ctx); - - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; - - this._drawImageLabel(ctx); - this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); - this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); - this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); - }; - - Node.prototype._resizeCircularImage = function (ctx) { - this._resizeImage(ctx); - }; - - Node.prototype._drawCircularImage = function (ctx) { - this._resizeCircularImage(ctx); - - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - - var centerX = this.left + (this.width / 2); - var centerY = this.top + (this.height / 2); - var radius = Math.abs(this.height / 2); - - this._drawRawCircle(ctx, centerX, centerY, radius); - - ctx.save(); - ctx.circle(this.x, this.y, radius); - ctx.stroke(); - ctx.clip(); - - this._drawImageAtPosition(ctx); - - ctx.restore(); - - this.boundingBox.top = this.y - this.options.radius; - this.boundingBox.left = this.x - this.options.radius; - this.boundingBox.right = this.x + this.options.radius; - this.boundingBox.bottom = this.y + this.options.radius; - - this._drawImageLabel(ctx); - - this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); - this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); - this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); - }; - - Node.prototype._resizeBox = function (ctx) { - if (!this.width) { - var margin = 5; - var textSize = this.getTextSize(ctx); - this.width = textSize.width + 2 * margin; - this.height = textSize.height + 2 * margin; - - this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeWidthFactor; - this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeHeightFactor; - this.growthIndicator = this.width - (textSize.width + 2 * margin); - // this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; - - } + return false; }; - Node.prototype._drawBox = function (ctx) { - this._resizeBox(ctx); - - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + /** + * Start auto refreshing the current time bar + */ + CurrentTime.prototype.start = function() { + var me = this; - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + function update () { + me.stop(); - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + // determine interval to refresh + var scale = me.body.range.conversion(me.body.domProps.center.width).scale; + var interval = 1 / scale / 10; + if (interval < 30) interval = 30; + if (interval > 1000) interval = 1000; - // draw the outer border - if (this.clusterSize > 1) { - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + me.redraw(); - ctx.roundRect(this.left-2*ctx.lineWidth, this.top-2*ctx.lineWidth, this.width+4*ctx.lineWidth, this.height+4*ctx.lineWidth, this.options.radius); - ctx.stroke(); + // start a timer to adjust for the new time + me.currentTimeTimer = setTimeout(update, interval); } - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; + update(); + }; - ctx.roundRect(this.left, this.top, this.width, this.height, this.options.radius); - ctx.fill(); - ctx.stroke(); + /** + * Stop auto refreshing the current time bar + */ + CurrentTime.prototype.stop = function() { + if (this.currentTimeTimer !== undefined) { + clearTimeout(this.currentTimeTimer); + delete this.currentTimeTimer; + } + }; - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; + /** + * Set a current time. This can be used for example to ensure that a client's + * time is synchronized with a shared server time. + * @param {Date | String | Number} time A Date, unix timestamp, or + * ISO date string. + */ + CurrentTime.prototype.setCurrentTime = function(time) { + var t = util.convert(time, 'Date').valueOf(); + var now = new Date().valueOf(); + this.offset = t - now; + this.redraw(); + }; - this._label(ctx, this.label, this.x, this.y); + /** + * Get the current time. + * @return {Date} Returns the current time. + */ + CurrentTime.prototype.getCurrentTime = function() { + return new Date(new Date().valueOf() + this.offset); }; + module.exports = CurrentTime; - Node.prototype._resizeDatabase = function (ctx) { - if (!this.width) { - var margin = 5; - var textSize = this.getTextSize(ctx); - var size = textSize.width + 2 * margin; - this.width = size; - this.height = size; - // scaling used for clustering - this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; - this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; - this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; - this.growthIndicator = this.width - size; - } +/***/ }, +/* 40 */ +/***/ function(module, exports, __webpack_require__) { + + // English + exports['en'] = { + current: 'current', + time: 'time' }; + exports['en_EN'] = exports['en']; + exports['en_US'] = exports['en']; - Node.prototype._drawDatabase = function (ctx) { - this._resizeDatabase(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + // Dutch + exports['nl'] = { + custom: 'aangepaste', + time: 'tijd' + }; + exports['nl_NL'] = exports['nl']; + exports['nl_BE'] = exports['nl']; - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; +/***/ }, +/* 41 */ +/***/ function(module, exports, __webpack_require__) { - // draw the outer border - if (this.clusterSize > 1) { - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); + var Component = __webpack_require__(23); + var moment = __webpack_require__(2); + var locales = __webpack_require__(40); - ctx.database(this.x - this.width/2 - 2*ctx.lineWidth, this.y - this.height*0.5 - 2*ctx.lineWidth, this.width + 4*ctx.lineWidth, this.height + 4*ctx.lineWidth); - ctx.stroke(); - } - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + /** + * A custom time bar + * @param {{range: Range, dom: Object}} body + * @param {Object} [options] Available parameters: + * {Boolean} [showCustomTime] + * @constructor CustomTime + * @extends Component + */ - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - ctx.database(this.x - this.width/2, this.y - this.height*0.5, this.width, this.height); - ctx.fill(); - ctx.stroke(); + function CustomTime (body, options) { + this.body = body; - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; + // default options + this.defaultOptions = { + showCustomTime: false, + locales: locales, + locale: 'en' + }; + this.options = util.extend({}, this.defaultOptions); - this._label(ctx, this.label, this.x, this.y); - }; + this.customTime = new Date(); + this.eventParams = {}; // stores state parameters while dragging the bar + // create the DOM + this._create(); - Node.prototype._resizeCircle = function (ctx) { - if (!this.width) { - var margin = 5; - var textSize = this.getTextSize(ctx); - var diameter = Math.max(textSize.width, textSize.height) + 2 * margin; - this.options.radius = diameter / 2; + this.setOptions(options); + } - this.width = diameter; - this.height = diameter; + CustomTime.prototype = new Component(); - // scaling used for clustering - // this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeWidthFactor; - // this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeHeightFactor; - this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; - this.growthIndicator = this.options.radius- 0.5*diameter; + /** + * Set options for the component. Options will be merged in current options. + * @param {Object} options Available parameters: + * {boolean} [showCustomTime] + */ + CustomTime.prototype.setOptions = function(options) { + if (options) { + // copy all options that we know + util.selectiveExtend(['showCustomTime', 'locale', 'locales'], this.options, options); } }; - Node.prototype._drawRawCircle = function (ctx, x, y, radius) { - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - - // draw the outer border - if (this.clusterSize > 1) { - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + /** + * Create the DOM for the custom time + * @private + */ + CustomTime.prototype._create = function() { + var bar = document.createElement('div'); + bar.className = 'customtime'; + bar.style.position = 'absolute'; + bar.style.top = '0px'; + bar.style.height = '100%'; + this.bar = bar; - ctx.circle(x, y, radius+2*ctx.lineWidth); - ctx.stroke(); - } - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + var drag = document.createElement('div'); + drag.style.position = 'relative'; + drag.style.top = '0px'; + drag.style.left = '-10px'; + drag.style.height = '100%'; + drag.style.width = '20px'; + bar.appendChild(drag); - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - ctx.circle(this.x, this.y, radius); - ctx.fill(); - ctx.stroke(); + // attach event listeners + this.hammer = Hammer(bar, { + prevent_default: true + }); + this.hammer.on('dragstart', this._onDragStart.bind(this)); + this.hammer.on('drag', this._onDrag.bind(this)); + this.hammer.on('dragend', this._onDragEnd.bind(this)); }; - Node.prototype._drawCircle = function (ctx) { - this._resizeCircle(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - - this._drawRawCircle(ctx, this.x, this.y, this.options.radius); + /** + * Destroy the CustomTime bar + */ + CustomTime.prototype.destroy = function () { + this.options.showCustomTime = false; + this.redraw(); // will remove the bar from the DOM - this.boundingBox.top = this.y - this.options.radius; - this.boundingBox.left = this.x - this.options.radius; - this.boundingBox.right = this.x + this.options.radius; - this.boundingBox.bottom = this.y + this.options.radius; + this.hammer.enable(false); + this.hammer = null; - this._label(ctx, this.label, this.x, this.y); + this.body = null; }; - Node.prototype._resizeEllipse = function (ctx) { - if (!this.width) { - var textSize = this.getTextSize(ctx); - - this.width = textSize.width * 1.5; - this.height = textSize.height * 2; - if (this.width < this.height) { - this.width = this.height; + /** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ + CustomTime.prototype.redraw = function () { + if (this.options.showCustomTime) { + var parent = this.body.dom.backgroundVertical; + if (this.bar.parentNode != parent) { + // attach to the dom + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); + } + parent.appendChild(this.bar); } - var defaultSize = this.width; - // scaling used for clustering - this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; - this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; - this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; - this.growthIndicator = this.width - defaultSize; + var x = this.body.util.toScreen(this.customTime); + + var locale = this.options.locales[this.options.locale]; + var title = locale.time + ': ' + moment(this.customTime).format('dddd, MMMM Do YYYY, H:mm:ss'); + title = title.charAt(0).toUpperCase() + title.substring(1); + + this.bar.style.left = x + 'px'; + this.bar.title = title; + } + else { + // remove the line from the DOM + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); + } } - }; - Node.prototype._drawEllipse = function (ctx) { - this._resizeEllipse(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + return false; + }; - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + /** + * Set custom time. + * @param {Date | number | string} time + */ + CustomTime.prototype.setCustomTime = function(time) { + this.customTime = util.convert(time, 'Date'); + this.redraw(); + }; - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + /** + * Retrieve the current custom time. + * @return {Date} customTime + */ + CustomTime.prototype.getCustomTime = function() { + return new Date(this.customTime.valueOf()); + }; - // draw the outer border - if (this.clusterSize > 1) { - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + /** + * Start moving horizontally + * @param {Event} event + * @private + */ + CustomTime.prototype._onDragStart = function(event) { + this.eventParams.dragging = true; + this.eventParams.customTime = this.customTime; - ctx.ellipse(this.left-2*ctx.lineWidth, this.top-2*ctx.lineWidth, this.width+4*ctx.lineWidth, this.height+4*ctx.lineWidth); - ctx.stroke(); - } - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + event.stopPropagation(); + event.preventDefault(); + }; - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; + /** + * Perform moving operating. + * @param {Event} event + * @private + */ + CustomTime.prototype._onDrag = function (event) { + if (!this.eventParams.dragging) return; - ctx.ellipse(this.left, this.top, this.width, this.height); - ctx.fill(); - ctx.stroke(); + var deltaX = event.gesture.deltaX, + x = this.body.util.toScreen(this.eventParams.customTime) + deltaX, + time = this.body.util.toTime(x); - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; + this.setCustomTime(time); - this._label(ctx, this.label, this.x, this.y); - }; + // fire a timechange event + this.body.emitter.emit('timechange', { + time: new Date(this.customTime.valueOf()) + }); - Node.prototype._drawDot = function (ctx) { - this._drawShape(ctx, 'circle'); + event.stopPropagation(); + event.preventDefault(); }; - Node.prototype._drawTriangle = function (ctx) { - this._drawShape(ctx, 'triangle'); - }; + /** + * Stop moving operating. + * @param {event} event + * @private + */ + CustomTime.prototype._onDragEnd = function (event) { + if (!this.eventParams.dragging) return; - Node.prototype._drawTriangleDown = function (ctx) { - this._drawShape(ctx, 'triangleDown'); - }; + // fire a timechanged event + this.body.emitter.emit('timechanged', { + time: new Date(this.customTime.valueOf()) + }); - Node.prototype._drawSquare = function (ctx) { - this._drawShape(ctx, 'square'); + event.stopPropagation(); + event.preventDefault(); }; - Node.prototype._drawStar = function (ctx) { - this._drawShape(ctx, 'star'); - }; + module.exports = CustomTime; - Node.prototype._resizeShape = function (ctx) { - if (!this.width) { - this.options.radius= this.baseRadiusValue; - var size = 2 * this.options.radius; - this.width = size; - this.height = size; - // scaling used for clustering - this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; - this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; - this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; - this.growthIndicator = this.width - size; - } - }; +/***/ }, +/* 42 */ +/***/ function(module, exports, __webpack_require__) { - Node.prototype._drawShape = function (ctx, shape) { - this._resizeShape(ctx); + var Emitter = __webpack_require__(11); + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var Range = __webpack_require__(21); + var Core = __webpack_require__(25); + var TimeAxis = __webpack_require__(37); + var CurrentTime = __webpack_require__(39); + var CustomTime = __webpack_require__(41); + var LineGraph = __webpack_require__(43); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + /** + * Create a timeline visualization + * @param {HTMLElement} container + * @param {vis.DataSet | Array | google.visualization.DataTable} [items] + * @param {Object} [options] See Graph2d.setOptions for the available options. + * @constructor + * @extends Core + */ + function Graph2d (container, items, groups, options) { + // if the third element is options, the forth is groups (optionally); + if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) { + var forthArgument = options; + options = groups; + groups = forthArgument; + } - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - var radiusMultiplier = 2; + var me = this; + this.defaultOptions = { + start: null, + end: null, - // choose draw method depending on the shape - switch (shape) { - case 'dot': radiusMultiplier = 2; break; - case 'square': radiusMultiplier = 2; break; - case 'triangle': radiusMultiplier = 3; break; - case 'triangleDown': radiusMultiplier = 3; break; - case 'star': radiusMultiplier = 4; break; - } + autoResize: true, - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - // draw the outer border - if (this.clusterSize > 1) { - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + orientation: 'bottom', + width: null, + height: null, + maxHeight: null, + minHeight: null + }; + this.options = util.deepExtend({}, this.defaultOptions); - ctx[shape](this.x, this.y, this.options.radius+ radiusMultiplier * ctx.lineWidth); - ctx.stroke(); - } - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + // Create the DOM, props, and emitter + this._create(container); - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - ctx[shape](this.x, this.y, this.options.radius); - ctx.fill(); - ctx.stroke(); + // all components listed here will be repainted automatically + this.components = []; - this.boundingBox.top = this.y - this.options.radius; - this.boundingBox.left = this.x - this.options.radius; - this.boundingBox.right = this.x + this.options.radius; - this.boundingBox.bottom = this.y + this.options.radius; + this.body = { + dom: this.dom, + domProps: this.props, + emitter: { + on: this.on.bind(this), + off: this.off.bind(this), + emit: this.emit.bind(this) + }, + hiddenDates: [], + util: { + snap: null, // will be specified after TimeAxis is created + toScreen: me._toScreen.bind(me), + toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width + toTime: me._toTime.bind(me), + toGlobalTime : me._toGlobalTime.bind(me) + } + }; - if (this.label) { - this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'hanging',true); - this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); - this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); - this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); - } - }; + // range + this.range = new Range(this.body); + this.components.push(this.range); + this.body.range = this.range; - Node.prototype._resizeText = function (ctx) { - if (!this.width) { - var margin = 5; - var textSize = this.getTextSize(ctx); - this.width = textSize.width + 2 * margin; - this.height = textSize.height + 2 * margin; + // time axis + this.timeAxis = new TimeAxis(this.body); + this.components.push(this.timeAxis); + this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); - // scaling used for clustering - this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; - this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; - this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; - this.growthIndicator = this.width - (textSize.width + 2 * margin); - } - }; + // current time bar + this.currentTime = new CurrentTime(this.body); + this.components.push(this.currentTime); - Node.prototype._drawText = function (ctx) { - this._resizeText(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + // custom time bar + // Note: time bar will be attached in this.setOptions when selected + this.customTime = new CustomTime(this.body); + this.components.push(this.customTime); - this._label(ctx, this.label, this.x, this.y); + // item set + this.linegraph = new LineGraph(this.body); + this.components.push(this.linegraph); - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; - }; + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + // apply options + if (options) { + this.setOptions(options); + } - Node.prototype._label = function (ctx, text, x, y, align, baseline, labelUnderNode) { - if (text && Number(this.options.fontSize) * this.networkScale > this.fontDrawThreshold) { - ctx.font = (this.selected ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; + // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! + if (groups) { + this.setGroups(groups); + } - var lines = text.split('\n'); - var lineCount = lines.length; - var fontSize = Number(this.options.fontSize); - var yLine = y + (1 - lineCount) / 2 * fontSize; - if (labelUnderNode == true) { - yLine = y + (1 - lineCount) / (2 * fontSize); - } + // create itemset + if (items) { + this.setItems(items); + } + else { + this.redraw(); + } + } - // font fill from edges now for nodes! - var width = ctx.measureText(lines[0]).width; - for (var i = 1; i < lineCount; i++) { - var lineWidth = ctx.measureText(lines[i]).width; - width = lineWidth > width ? lineWidth : width; - } - var height = this.options.fontSize * lineCount; - var left = x - width / 2; - var top = y - height / 2; - if (baseline == "hanging") { - top += 0.5 * fontSize; - top += 4; // distance from node, required because we use hanging. Hanging has less difference between browsers - yLine += 4; // distance from node - } - this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; + // Extend the functionality from Core + Graph2d.prototype = new Core(); - // create the fontfill background - if (this.options.fontFill !== undefined && this.options.fontFill !== null && this.options.fontFill !== "none") { - ctx.fillStyle = this.options.fontFill; - ctx.fillRect(left, top, width, height); - } + /** + * Set items + * @param {vis.DataSet | Array | google.visualization.DataTable | null} items + */ + Graph2d.prototype.setItems = function(items) { + var initialLoad = (this.itemsData == null); - // draw text - ctx.fillStyle = this.options.fontColor || "black"; - ctx.textAlign = align || "center"; - ctx.textBaseline = baseline || "middle"; - if (this.options.fontStrokeWidth > 0){ - ctx.lineWidth = this.options.fontStrokeWidth; - ctx.strokeStyle = this.options.fontStrokeColor; - ctx.lineJoin = 'round'; - } - for (var i = 0; i < lineCount; i++) { - if(this.options.fontStrokeWidth){ - ctx.strokeText(lines[i], x, yLine); + // convert to type DataSet when needed + var newDataSet; + if (!items) { + newDataSet = null; + } + else if (items instanceof DataSet || items instanceof DataView) { + newDataSet = items; + } + else { + // turn an array into a dataset + newDataSet = new DataSet(items, { + type: { + start: 'Date', + end: 'Date' } - ctx.fillText(lines[i], x, yLine); - yLine += fontSize; - } + }); } - }; - - Node.prototype.getTextSize = function(ctx) { - if (this.label !== undefined) { - ctx.font = (this.selected ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; + // set items + this.itemsData = newDataSet; + this.linegraph && this.linegraph.setItems(newDataSet); - var lines = this.label.split('\n'), - height = (Number(this.options.fontSize) + 4) * lines.length, - width = 0; + if (initialLoad) { + if (this.options.start != undefined || this.options.end != undefined) { + var start = this.options.start != undefined ? this.options.start : null; + var end = this.options.end != undefined ? this.options.end : null; - for (var i = 0, iMax = lines.length; i < iMax; i++) { - width = Math.max(width, ctx.measureText(lines[i]).width); + this.setWindow(start, end, {animate: false}); + } + else { + this.fit({animate: false}); } - - return {"width": width, "height": height}; - } - else { - return {"width": 0, "height": 0}; } }; /** - * this is used to determine if a node is visible at all. this is used to determine when it needs to be drawn. - * there is a safety margin of 0.3 * width; - * - * @returns {boolean} + * Set groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groups */ - Node.prototype.inArea = function() { - if (this.width !== undefined) { - return (this.x + this.width *this.networkScaleInv >= this.canvasTopLeft.x && - this.x - this.width *this.networkScaleInv < this.canvasBottomRight.x && - this.y + this.height*this.networkScaleInv >= this.canvasTopLeft.y && - this.y - this.height*this.networkScaleInv < this.canvasBottomRight.y); + Graph2d.prototype.setGroups = function(groups) { + // convert to type DataSet when needed + var newDataSet; + if (!groups) { + newDataSet = null; + } + else if (groups instanceof DataSet || groups instanceof DataView) { + newDataSet = groups; } else { - return true; + // turn an array into a dataset + newDataSet = new DataSet(groups); } + + this.groupsData = newDataSet; + this.linegraph.setGroups(newDataSet); }; /** - * checks if the core of the node is in the display area, this is used for opening clusters around zoom - * @returns {boolean} + * Returns an object containing an SVG element with the icon of the group (size determined by iconWidth and iconHeight), the label of the group (content) and the yAxisOrientation of the group (left or right). + * @param groupId + * @param width + * @param height */ - Node.prototype.inView = function() { - return (this.x >= this.canvasTopLeft.x && - this.x < this.canvasBottomRight.x && - this.y >= this.canvasTopLeft.y && - this.y < this.canvasBottomRight.y); - }; + Graph2d.prototype.getLegend = function(groupId, width, height) { + if (width === undefined) {width = 15;} + if (height === undefined) {height = 15;} + if (this.linegraph.groups[groupId] !== undefined) { + return this.linegraph.groups[groupId].getLegend(width,height); + } + else { + return "cannot find group:" + groupId; + } + } /** - * This allows the zoom level of the network to influence the rendering - * We store the inverted scale and the coordinates of the top left, and bottom right points of the canvas - * - * @param scale - * @param canvasTopLeft - * @param canvasBottomRight + * This checks if the visible option of the supplied group (by ID) is true or false. + * @param groupId + * @returns {*} */ - Node.prototype.setScaleAndPos = function(scale,canvasTopLeft,canvasBottomRight) { - this.networkScaleInv = 1.0/scale; - this.networkScale = scale; - this.canvasTopLeft = canvasTopLeft; - this.canvasBottomRight = canvasBottomRight; - }; + Graph2d.prototype.isGroupVisible = function(groupId) { + if (this.linegraph.groups[groupId] !== undefined) { + return (this.linegraph.groups[groupId].visible && (this.linegraph.options.groups.visibility[groupId] === undefined || this.linegraph.options.groups.visibility[groupId] == true)); + } + else { + return false; + } + } /** - * This allows the zoom level of the network to influence the rendering - * - * @param scale + * Get the data range of the item set. + * @returns {{min: Date, max: Date}} range A range with a start and end Date. + * When no minimum is found, min==null + * When no maximum is found, max==null */ - Node.prototype.setScale = function(scale) { - this.networkScaleInv = 1.0/scale; - this.networkScale = scale; - }; - + Graph2d.prototype.getItemRange = function() { + var min = null; + var max = null; + // calculate min from start filed + for (var groupId in this.linegraph.groups) { + if (this.linegraph.groups.hasOwnProperty(groupId)) { + if (this.linegraph.groups[groupId].visible == true) { + for (var i = 0; i < this.linegraph.groups[groupId].itemsData.length; i++) { + var item = this.linegraph.groups[groupId].itemsData[i]; + var value = util.convert(item.x, 'Date').valueOf(); + min = min == null ? value : min > value ? value : min; + max = max == null ? value : max < value ? value : max; + } + } + } + } - /** - * set the velocity at 0. Is called when this node is contained in another during clustering - */ - Node.prototype.clearVelocity = function() { - this.vx = 0; - this.vy = 0; + return { + min: (min != null) ? new Date(min) : null, + max: (max != null) ? new Date(max) : null + }; }; - /** - * Basic preservation of (kinectic) energy - * - * @param massBeforeClustering - */ - Node.prototype.updateVelocity = function(massBeforeClustering) { - var energyBefore = this.vx * this.vx * massBeforeClustering; - //this.vx = (this.vx < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); - this.vx = Math.sqrt(energyBefore/this.options.mass); - energyBefore = this.vy * this.vy * massBeforeClustering; - //this.vy = (this.vy < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); - this.vy = Math.sqrt(energyBefore/this.options.mass); - }; - module.exports = Node; + module.exports = Graph2d; /***/ }, -/* 41 */ +/* 43 */ /***/ function(module, exports, __webpack_require__) { + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var Component = __webpack_require__(23); + var DataAxis = __webpack_require__(44); + var GraphGroup = __webpack_require__(46); + var Legend = __webpack_require__(50); + var BarGraphFunctions = __webpack_require__(49); + + var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items + /** - * Popup is a class to create a popup window with some text - * @param {Element} container The container object. - * @param {Number} [x] - * @param {Number} [y] - * @param {String} [text] - * @param {Object} [style] An object containing borderColor, - * backgroundColor, etc. + * This is the constructor of the LineGraph. It requires a Timeline body and options. + * + * @param body + * @param options + * @constructor */ - function Popup(container, x, y, text, style) { - if (container) { - this.container = container; - } - else { - this.container = document.body; - } + function LineGraph(body, options) { + this.id = util.randomUUID(); + this.body = body; - // x, y and text are optional, see if a style object was passed in their place - if (style === undefined) { - if (typeof x === "object") { - style = x; - x = undefined; - } else if (typeof text === "object") { - style = text; - text = undefined; - } else { - // for backwards compatibility, in case clients other than Network are creating Popup directly - style = { - fontColor: 'black', - fontSize: 14, // px - fontFace: 'verdana', - color: { - border: '#666', - background: '#FFFFC6' - } + this.defaultOptions = { + yAxisOrientation: 'left', + defaultGroup: 'default', + sort: true, + sampling: true, + graphHeight: '400px', + shaded: { + enabled: false, + orientation: 'bottom' // top, bottom + }, + style: 'line', // line, bar + barChart: { + width: 50, + handleOverlap: 'overlap', + align: 'center' // left, center, right + }, + catmullRom: { + enabled: true, + parametrization: 'centripetal', // uniform (alpha = 0.0), chordal (alpha = 1.0), centripetal (alpha = 0.5) + alpha: 0.5 + }, + drawPoints: { + enabled: true, + size: 6, + style: 'square' // square, circle + }, + dataAxis: { + showMinorLabels: true, + showMajorLabels: true, + icons: false, + width: '40px', + visible: true, + alignZeros: true, + customRange: { + left: {min:undefined, max:undefined}, + right: {min:undefined, max:undefined} + } + //, these options are not set by default, but this shows the format they will be in + //format: { + // left: {decimals: 2}, + // right: {decimals: 2} + //}, + //title: { + // left: { + // text: 'left', + // style: 'color:black;' + // }, + // right: { + // text: 'right', + // style: 'color:black;' + // } + //} + }, + legend: { + enabled: false, + icons: true, + left: { + visible: true, + position: 'top-left' // top/bottom - left,right + }, + right: { + visible: true, + position: 'top-right' // top/bottom - left,right } + }, + groups: { + visibility: {} } - } + }; - this.x = 0; - this.y = 0; - this.padding = 5; + // options is shared by this ItemSet and all its items + this.options = util.extend({}, this.defaultOptions); + this.dom = {}; + this.props = {}; + this.hammer = null; + this.groups = {}; + this.abortedGraphUpdate = false; + this.updateSVGheight = false; + this.updateSVGheightOnResize = false; - if (x !== undefined && y !== undefined ) { - this.setPosition(x, y); - } - if (text !== undefined) { - this.setText(text); - } + var me = this; + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + + // listeners for the DataSet of the items + this.itemListeners = { + 'add': function (event, params, senderId) { + me._onAdd(params.items); + }, + 'update': function (event, params, senderId) { + me._onUpdate(params.items); + }, + 'remove': function (event, params, senderId) { + me._onRemove(params.items); + } + }; + + // listeners for the DataSet of the groups + this.groupListeners = { + 'add': function (event, params, senderId) { + me._onAddGroups(params.items); + }, + 'update': function (event, params, senderId) { + me._onUpdateGroups(params.items); + }, + 'remove': function (event, params, senderId) { + me._onRemoveGroups(params.items); + } + }; + + this.items = {}; // object with an Item for every data item + this.selection = []; // list with the ids of all selected nodes + this.lastStart = this.body.range.start; + this.touchParams = {}; // stores properties while dragging + + this.svgElements = {}; + this.setOptions(options); + this.groupsUsingDefaultStyles = [0]; + this.COUNTER = 0; + this.body.emitter.on('rangechanged', function() { + me.lastStart = me.body.range.start; + me.svg.style.left = util.option.asSize(-me.props.width); + me.redraw.call(me,true); + }); + + // create the HTML DOM + this._create(); + this.framework = {svg: this.svg, svgElements: this.svgElements, options: this.options, groups: this.groups}; + this.body.emitter.emit('change'); - // create the frame - this.frame = document.createElement("div"); - var styleAttr = this.frame.style; - styleAttr.position = "absolute"; - styleAttr.visibility = "hidden"; - styleAttr.border = "1px solid " + style.color.border; - styleAttr.color = style.fontColor; - styleAttr.fontSize = style.fontSize + "px"; - styleAttr.fontFamily = style.fontFace; - styleAttr.padding = this.padding + "px"; - styleAttr.backgroundColor = style.color.background; - styleAttr.borderRadius = "3px"; - styleAttr.MozBorderRadius = "3px"; - styleAttr.WebkitBorderRadius = "3px"; - styleAttr.boxShadow = "3px 3px 10px rgba(128, 128, 128, 0.5)"; - styleAttr.whiteSpace = "nowrap"; - this.container.appendChild(this.frame); } - /** - * @param {number} x Horizontal position of the popup window - * @param {number} y Vertical position of the popup window - */ - Popup.prototype.setPosition = function(x, y) { - this.x = parseInt(x); - this.y = parseInt(y); - }; + LineGraph.prototype = new Component(); /** - * Set the content for the popup window. This can be HTML code or text. - * @param {string | Element} content + * Create the HTML DOM for the ItemSet */ - Popup.prototype.setText = function(content) { - if (content instanceof Element) { - this.frame.innerHTML = ''; - this.frame.appendChild(content); - } - else { - this.frame.innerHTML = content; // string containing text or HTML - } + LineGraph.prototype._create = function(){ + var frame = document.createElement('div'); + frame.className = 'LineGraph'; + this.dom.frame = frame; + + // create svg element for graph drawing. + this.svg = document.createElementNS('http://www.w3.org/2000/svg','svg'); + this.svg.style.position = 'relative'; + this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; + this.svg.style.display = 'block'; + frame.appendChild(this.svg); + + // data axis + this.options.dataAxis.orientation = 'left'; + this.yAxisLeft = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); + + this.options.dataAxis.orientation = 'right'; + this.yAxisRight = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); + delete this.options.dataAxis.orientation; + + // legends + this.legendLeft = new Legend(this.body, this.options.legend, 'left', this.options.groups); + this.legendRight = new Legend(this.body, this.options.legend, 'right', this.options.groups); + + this.show(); }; /** - * Show the popup window - * @param {boolean} show Optional. Show or hide the window + * set the options of the LineGraph. the mergeOptions is used for subObjects that have an enabled element. + * @param {object} options */ - Popup.prototype.show = function (show) { - if (show === undefined) { - show = true; - } - - if (show) { - var height = this.frame.clientHeight; - var width = this.frame.clientWidth; - var maxHeight = this.frame.parentNode.clientHeight; - var maxWidth = this.frame.parentNode.clientWidth; - - var top = (this.y - height); - if (top + height + this.padding > maxHeight) { - top = maxHeight - height - this.padding; + LineGraph.prototype.setOptions = function(options) { + if (options) { + var fields = ['sampling','defaultGroup','height','graphHeight','yAxisOrientation','style','barChart','dataAxis','sort','groups']; + if (options.graphHeight === undefined && options.height !== undefined && this.body.domProps.centerContainer.height !== undefined) { + this.updateSVGheight = true; + this.updateSVGheightOnResize = true; + } + else if (this.body.domProps.centerContainer.height !== undefined && options.graphHeight !== undefined) { + if (parseInt((options.graphHeight + '').replace("px",'')) < this.body.domProps.centerContainer.height) { + this.updateSVGheight = true; + } } - if (top < this.padding) { - top = this.padding; + util.selectiveDeepExtend(fields, this.options, options); + util.mergeOptions(this.options, options,'catmullRom'); + util.mergeOptions(this.options, options,'drawPoints'); + util.mergeOptions(this.options, options,'shaded'); + util.mergeOptions(this.options, options,'legend'); + + if (options.catmullRom) { + if (typeof options.catmullRom == 'object') { + if (options.catmullRom.parametrization) { + if (options.catmullRom.parametrization == 'uniform') { + this.options.catmullRom.alpha = 0; + } + else if (options.catmullRom.parametrization == 'chordal') { + this.options.catmullRom.alpha = 1.0; + } + else { + this.options.catmullRom.parametrization = 'centripetal'; + this.options.catmullRom.alpha = 0.5; + } + } + } } - var left = this.x; - if (left + width + this.padding > maxWidth) { - left = maxWidth - width - this.padding; + if (this.yAxisLeft) { + if (options.dataAxis !== undefined) { + this.yAxisLeft.setOptions(this.options.dataAxis); + this.yAxisRight.setOptions(this.options.dataAxis); + } } - if (left < this.padding) { - left = this.padding; + + if (this.legendLeft) { + if (options.legend !== undefined) { + this.legendLeft.setOptions(this.options.legend); + this.legendRight.setOptions(this.options.legend); + } } - this.frame.style.left = left + "px"; - this.frame.style.top = top + "px"; - this.frame.style.visibility = "visible"; + if (this.groups.hasOwnProperty(UNGROUPED)) { + this.groups[UNGROUPED].setOptions(options); + } } - else { - this.hide(); + + // this is used to redraw the graph if the visibility of the groups is changed. + if (this.dom.frame) { + this.redraw(true); } }; /** - * Hide the popup window + * Hide the component from the DOM */ - Popup.prototype.hide = function () { - this.frame.style.visibility = "hidden"; + LineGraph.prototype.hide = function() { + // remove the frame containing the items + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); + } }; - module.exports = Popup; - - -/***/ }, -/* 42 */ -/***/ function(module, exports, __webpack_require__) { /** - * Parse a text source containing data in DOT language into a JSON object. - * The object contains two lists: one with nodes and one with edges. - * - * DOT language reference: http://www.graphviz.org/doc/info/lang.html - * - * @param {String} data Text containing a graph in DOT-notation - * @return {Object} graph An object containing two parameters: - * {Object[]} nodes - * {Object[]} edges + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed */ - function parseDOT (data) { - dot = data; - return parseGraph(); - } - - // token types enumeration - var TOKENTYPE = { - NULL : 0, - DELIMITER : 1, - IDENTIFIER: 2, - UNKNOWN : 3 - }; - - // map with all delimiters - var DELIMITERS = { - '{': true, - '}': true, - '[': true, - ']': true, - ';': true, - '=': true, - ',': true, - - '->': true, - '--': true + LineGraph.prototype.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); + } }; - var dot = ''; // current dot file - var index = 0; // current index in dot file - var c = ''; // current token character in expr - var token = ''; // current token - var tokenType = TOKENTYPE.NULL; // type of the token - - /** - * Get the first character from the dot file. - * The character is stored into the char c. If the end of the dot file is - * reached, the function puts an empty string in c. - */ - function first() { - index = 0; - c = dot.charAt(0); - } /** - * Get the next character from the dot file. - * The character is stored into the char c. If the end of the dot file is - * reached, the function puts an empty string in c. + * Set items + * @param {vis.DataSet | null} items */ - function next() { - index++; - c = dot.charAt(index); - } + LineGraph.prototype.setItems = function(items) { + var me = this, + ids, + oldItemsData = this.itemsData; - /** - * Preview the next character from the dot file. - * @return {String} cNext - */ - function nextPreview() { - return dot.charAt(index + 1); - } + // replace the dataset + if (!items) { + this.itemsData = null; + } + else if (items instanceof DataSet || items instanceof DataView) { + this.itemsData = items; + } + else { + throw new TypeError('Data must be an instance of DataSet or DataView'); + } - /** - * Test whether given character is alphabetic or numeric - * @param {String} c - * @return {Boolean} isAlphaNumeric - */ - var regexAlphaNumeric = /[a-zA-Z_0-9.:#]/; - function isAlphaNumeric(c) { - return regexAlphaNumeric.test(c); - } + if (oldItemsData) { + // unsubscribe from old dataset + util.forEach(this.itemListeners, function (callback, event) { + oldItemsData.off(event, callback); + }); - /** - * Merge all properties of object b into object b - * @param {Object} a - * @param {Object} b - * @return {Object} a - */ - function merge (a, b) { - if (!a) { - a = {}; + // remove all drawn items + ids = oldItemsData.getIds(); + this._onRemove(ids); } - if (b) { - for (var name in b) { - if (b.hasOwnProperty(name)) { - a[name] = b[name]; - } - } - } - return a; - } + if (this.itemsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.itemListeners, function (callback, event) { + me.itemsData.on(event, callback, id); + }); - /** - * Set a value in an object, where the provided parameter name can be a - * path with nested parameters. For example: - * - * var obj = {a: 2}; - * setValue(obj, 'b.c', 3); // obj = {a: 2, b: {c: 3}} - * - * @param {Object} obj - * @param {String} path A parameter name or dot-separated parameter path, - * like "color.highlight.border". - * @param {*} value - */ - function setValue(obj, path, value) { - var keys = path.split('.'); - var o = obj; - while (keys.length) { - var key = keys.shift(); - if (keys.length) { - // this isn't the end point - if (!o[key]) { - o[key] = {}; - } - o = o[key]; - } - else { - // this is the end point - o[key] = value; - } + // add all new items + ids = this.itemsData.getIds(); + this._onAdd(ids); } - } + this._updateUngrouped(); + //this._updateGraph(); + this.redraw(true); + }; + /** - * Add a node to a graph object. If there is already a node with - * the same id, their attributes will be merged. - * @param {Object} graph - * @param {Object} node + * Set groups + * @param {vis.DataSet} groups */ - function addNode(graph, node) { - var i, len; - var current = null; + LineGraph.prototype.setGroups = function(groups) { + var me = this; + var ids; - // find root graph (in case of subgraph) - var graphs = [graph]; // list with all graphs from current graph to root graph - var root = graph; - while (root.parent) { - graphs.push(root.parent); - root = root.parent; - } + // unsubscribe from current dataset + if (this.groupsData) { + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.unsubscribe(event, callback); + }); - // find existing node (at root level) by its id - if (root.nodes) { - for (i = 0, len = root.nodes.length; i < len; i++) { - if (node.id === root.nodes[i].id) { - current = root.nodes[i]; - break; - } - } + // remove all drawn groups + ids = this.groupsData.getIds(); + this.groupsData = null; + this._onRemoveGroups(ids); // note: this will cause a redraw } - if (!current) { - // this is a new node - current = { - id: node.id - }; - if (graph.node) { - // clone default attributes - current.attr = merge(current.attr, graph.node); - } + // replace the dataset + if (!groups) { + this.groupsData = null; + } + else if (groups instanceof DataSet || groups instanceof DataView) { + this.groupsData = groups; + } + else { + throw new TypeError('Data must be an instance of DataSet or DataView'); } - // add node to this (sub)graph and all its parent graphs - for (i = graphs.length - 1; i >= 0; i--) { - var g = graphs[i]; + if (this.groupsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.on(event, callback, id); + }); - if (!g.nodes) { - g.nodes = []; - } - if (g.nodes.indexOf(current) == -1) { - g.nodes.push(current); - } + // draw all ms + ids = this.groupsData.getIds(); + this._onAddGroups(ids); } + this._onUpdate(); + }; - // merge attributes - if (node.attr) { - current.attr = merge(current.attr, node.attr); - } - } /** - * Add an edge to a graph object - * @param {Object} graph - * @param {Object} edge + * Update the data + * @param [ids] + * @private */ - function addEdge(graph, edge) { - if (!graph.edges) { - graph.edges = []; - } - graph.edges.push(edge); - if (graph.edge) { - var attr = merge({}, graph.edge); // clone default attributes - edge.attr = merge(attr, edge.attr); // merge attributes + LineGraph.prototype._onUpdate = function(ids) { + this._updateUngrouped(); + this._updateAllGroupData(); + //this._updateGraph(); + this.redraw(true); + }; + LineGraph.prototype._onAdd = function (ids) {this._onUpdate(ids);}; + LineGraph.prototype._onRemove = function (ids) {this._onUpdate(ids);}; + LineGraph.prototype._onUpdateGroups = function (groupIds) { + for (var i = 0; i < groupIds.length; i++) { + var group = this.groupsData.get(groupIds[i]); + this._updateGroup(group, groupIds[i]); } - } + + //this._updateGraph(); + this.redraw(true); + }; + LineGraph.prototype._onAddGroups = function (groupIds) {this._onUpdateGroups(groupIds);}; + /** - * Create an edge to a graph object - * @param {Object} graph - * @param {String | Number | Object} from - * @param {String | Number | Object} to - * @param {String} type - * @param {Object | null} attr - * @return {Object} edge + * this cleans the group out off the legends and the dataaxis, updates the ungrouped and updates the graph + * @param {Array} groupIds + * @private */ - function createEdge(graph, from, to, type, attr) { - var edge = { - from: from, - to: to, - type: type - }; - - if (graph.edge) { - edge.attr = merge({}, graph.edge); // clone default attributes + LineGraph.prototype._onRemoveGroups = function (groupIds) { + for (var i = 0; i < groupIds.length; i++) { + if (this.groups.hasOwnProperty(groupIds[i])) { + if (this.groups[groupIds[i]].options.yAxisOrientation == 'right') { + this.yAxisRight.removeGroup(groupIds[i]); + this.legendRight.removeGroup(groupIds[i]); + this.legendRight.redraw(); + } + else { + this.yAxisLeft.removeGroup(groupIds[i]); + this.legendLeft.removeGroup(groupIds[i]); + this.legendLeft.redraw(); + } + delete this.groups[groupIds[i]]; + } } - edge.attr = merge(edge.attr || {}, attr); // merge attributes + this._updateUngrouped(); + //this._updateGraph(); + this.redraw(true); + }; - return edge; - } /** - * Get next token in the current dot file. - * The token and token type are available as token and tokenType + * update a group object with the group dataset entree + * + * @param group + * @param groupId + * @private */ - function getToken() { - tokenType = TOKENTYPE.NULL; - token = ''; - - // skip over whitespaces - while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter - next(); + LineGraph.prototype._updateGroup = function (group, groupId) { + if (!this.groups.hasOwnProperty(groupId)) { + this.groups[groupId] = new GraphGroup(group, groupId, this.options, this.groupsUsingDefaultStyles); + if (this.groups[groupId].options.yAxisOrientation == 'right') { + this.yAxisRight.addGroup(groupId, this.groups[groupId]); + this.legendRight.addGroup(groupId, this.groups[groupId]); + } + else { + this.yAxisLeft.addGroup(groupId, this.groups[groupId]); + this.legendLeft.addGroup(groupId, this.groups[groupId]); + } + } + else { + this.groups[groupId].update(group); + if (this.groups[groupId].options.yAxisOrientation == 'right') { + this.yAxisRight.updateGroup(groupId, this.groups[groupId]); + this.legendRight.updateGroup(groupId, this.groups[groupId]); + } + else { + this.yAxisLeft.updateGroup(groupId, this.groups[groupId]); + this.legendLeft.updateGroup(groupId, this.groups[groupId]); + } } + this.legendLeft.redraw(); + this.legendRight.redraw(); + }; - do { - var isComment = false; - // skip comment - if (c == '#') { - // find the previous non-space character - var i = index - 1; - while (dot.charAt(i) == ' ' || dot.charAt(i) == '\t') { - i--; + /** + * this updates all groups, it is used when there is an update the the itemset. + * + * @private + */ + LineGraph.prototype._updateAllGroupData = function () { + if (this.itemsData != null) { + var groupsContent = {}; + var groupId; + for (groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + groupsContent[groupId] = []; } - if (dot.charAt(i) == '\n' || dot.charAt(i) == '') { - // the # is at the start of a line, this is indeed a line comment - while (c != '' && c != '\n') { - next(); + } + for (var itemId in this.itemsData._data) { + if (this.itemsData._data.hasOwnProperty(itemId)) { + var item = this.itemsData._data[itemId]; + if (groupsContent[item.group] === undefined) { + throw new Error('Cannot find referenced group. Possible reason: items added before groups? Groups need to be added before items, as items refer to groups.') } - isComment = true; + item.x = util.convert(item.x,'Date'); + groupsContent[item.group].push(item); } } - if (c == '/' && nextPreview() == '/') { - // skip line comment - while (c != '' && c != '\n') { - next(); + for (groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + this.groups[groupId].setItems(groupsContent[groupId]); } - isComment = true; } - if (c == '/' && nextPreview() == '*') { - // skip block comment - while (c != '') { - if (c == '*' && nextPreview() == '/') { - // end of block comment found. skip these last two characters - next(); - next(); - break; - } - else { - next(); + } + }; + + + /** + * Create or delete the group holding all ungrouped items. This group is used when + * there are no groups specified. This anonymous group is called 'graph'. + * @protected + */ + LineGraph.prototype._updateUngrouped = function() { + if (this.itemsData && this.itemsData != null) { + var ungroupedCounter = 0; + for (var itemId in this.itemsData._data) { + if (this.itemsData._data.hasOwnProperty(itemId)) { + var item = this.itemsData._data[itemId]; + if (item != undefined) { + if (item.hasOwnProperty('group')) { + if (item.group === undefined) { + item.group = UNGROUPED; + } + } + else { + item.group = UNGROUPED; + } + ungroupedCounter = item.group == UNGROUPED ? ungroupedCounter + 1 : ungroupedCounter; } } - isComment = true; } - - // skip over whitespaces - while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter - next(); + + if (ungroupedCounter == 0) { + delete this.groups[UNGROUPED]; + this.legendLeft.removeGroup(UNGROUPED); + this.legendRight.removeGroup(UNGROUPED); + this.yAxisLeft.removeGroup(UNGROUPED); + this.yAxisRight.removeGroup(UNGROUPED); + } + else { + var group = {id: UNGROUPED, content: this.options.defaultGroup}; + this._updateGroup(group, UNGROUPED); } } - while (isComment); - - // check for end of dot file - if (c == '') { - // token is still empty - tokenType = TOKENTYPE.DELIMITER; - return; + else { + delete this.groups[UNGROUPED]; + this.legendLeft.removeGroup(UNGROUPED); + this.legendRight.removeGroup(UNGROUPED); + this.yAxisLeft.removeGroup(UNGROUPED); + this.yAxisRight.removeGroup(UNGROUPED); } - // check for delimiters consisting of 2 characters - var c2 = c + nextPreview(); - if (DELIMITERS[c2]) { - tokenType = TOKENTYPE.DELIMITER; - token = c2; - next(); - next(); - return; - } + this.legendLeft.redraw(); + this.legendRight.redraw(); + }; - // check for delimiters consisting of 1 character - if (DELIMITERS[c]) { - tokenType = TOKENTYPE.DELIMITER; - token = c; - next(); - return; + + /** + * Redraw the component, mandatory function + * @return {boolean} Returns true if the component is resized + */ + LineGraph.prototype.redraw = function(forceGraphUpdate) { + var resized = false; + + // calculate actual size and position + this.props.width = this.dom.frame.offsetWidth; + this.props.height = this.body.domProps.centerContainer.height; + + // update the graph if there is no lastWidth or with, used for the initial draw + if (this.lastWidth === undefined && this.props.width) { + forceGraphUpdate = true; } - // check for an identifier (number or string) - // TODO: more precise parsing of numbers/strings (and the port separator ':') - if (isAlphaNumeric(c) || c == '-') { - token += c; - next(); + // check if this component is resized + resized = this._isResized() || resized; - while (isAlphaNumeric(c)) { - token += c; - next(); - } - if (token == 'false') { - token = false; // convert to boolean - } - else if (token == 'true') { - token = true; // convert to boolean + // check whether zoomed (in that case we need to re-stack everything) + var visibleInterval = this.body.range.end - this.body.range.start; + var zoomed = (visibleInterval != this.lastVisibleInterval); + this.lastVisibleInterval = visibleInterval; + + + // the svg element is three times as big as the width, this allows for fully dragging left and right + // without reloading the graph. the controls for this are bound to events in the constructor + if (resized == true) { + this.svg.style.width = util.option.asSize(3*this.props.width); + this.svg.style.left = util.option.asSize(-this.props.width); + + // if the height of the graph is set as proportional, change the height of the svg + if ((this.options.height + '').indexOf("%") != -1 || this.updateSVGheightOnResize == true) { + this.updateSVGheight = true; } - else if (!isNaN(Number(token))) { - token = Number(token); // convert to number + } + + // update the height of the graph on each redraw of the graph. + if (this.updateSVGheight == true) { + if (this.options.graphHeight != this.body.domProps.centerContainer.height + 'px') { + this.options.graphHeight = this.body.domProps.centerContainer.height + 'px'; + this.svg.style.height = this.body.domProps.centerContainer.height + 'px'; } - tokenType = TOKENTYPE.IDENTIFIER; - return; + this.updateSVGheight = false; + } + else { + this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; } - // check for a string enclosed by double quotes - if (c == '"') { - next(); - while (c != '' && (c != '"' || (c == '"' && nextPreview() == '"'))) { - token += c; - if (c == '"') { // skip the escape character - next(); + // zoomed is here to ensure that animations are shown correctly. + if (resized == true || zoomed == true || this.abortedGraphUpdate == true || forceGraphUpdate == true) { + resized = this._updateGraph() || resized; + } + else { + // move the whole svg while dragging + if (this.lastStart != 0) { + var offset = this.body.range.start - this.lastStart; + var range = this.body.range.end - this.body.range.start; + if (this.props.width != 0) { + var rangePerPixelInv = this.props.width/range; + var xOffset = offset * rangePerPixelInv; + this.svg.style.left = (-this.props.width - xOffset) + 'px'; } - next(); } - if (c != '"') { - throw newSyntaxError('End of string " expected'); - } - next(); - tokenType = TOKENTYPE.IDENTIFIER; - return; } - // something unknown is found, wrong characters, a syntax error - tokenType = TOKENTYPE.UNKNOWN; - while (c != '') { - token += c; - next(); - } - throw new SyntaxError('Syntax error in part "' + chop(token, 30) + '"'); - } + this.legendLeft.redraw(); + this.legendRight.redraw(); + return resized; + }; + /** - * Parse a graph. - * @returns {Object} graph + * Update and redraw the graph. + * */ - function parseGraph() { - var graph = {}; - - first(); - getToken(); + LineGraph.prototype._updateGraph = function () { + // reset the svg elements + DOMutil.prepareElements(this.svgElements); + if (this.props.width != 0 && this.itemsData != null) { + var group, i; + var preprocessedGroupData = {}; + var processedGroupData = {}; + var groupRanges = {}; + var changeCalled = false; - // optional strict keyword - if (token == 'strict') { - graph.strict = true; - getToken(); - } + // getting group Ids + var groupIds = []; + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + group = this.groups[groupId]; + if (group.visible == true && (this.options.groups.visibility[groupId] === undefined || this.options.groups.visibility[groupId] == true)) { + groupIds.push(groupId); + } + } + } + if (groupIds.length > 0) { + // this is the range of the SVG canvas + var minDate = this.body.util.toGlobalTime(-this.body.domProps.root.width); + var maxDate = this.body.util.toGlobalTime(2 * this.body.domProps.root.width); + var groupsData = {}; + // fill groups data, this only loads the data we require based on the timewindow + this._getRelevantData(groupIds, groupsData, minDate, maxDate); - // graph or digraph keyword - if (token == 'graph' || token == 'digraph') { - graph.type = token; - getToken(); - } + // apply sampling, if disabled, it will pass through this function. + this._applySampling(groupIds, groupsData); - // optional graph id - if (tokenType == TOKENTYPE.IDENTIFIER) { - graph.id = token; - getToken(); - } + // we transform the X coordinates to detect collisions + for (i = 0; i < groupIds.length; i++) { + preprocessedGroupData[groupIds[i]] = this._convertXcoordinates(groupsData[groupIds[i]]); + } - // open angle bracket - if (token != '{') { - throw newSyntaxError('Angle bracket { expected'); - } - getToken(); + // now all needed data has been collected we start the processing. + this._getYRanges(groupIds, preprocessedGroupData, groupRanges); - // statements - parseStatements(graph); + // update the Y axis first, we use this data to draw at the correct Y points + // changeCalled is required to clean the SVG on a change emit. + changeCalled = this._updateYAxis(groupIds, groupRanges); + var MAX_CYCLES = 5; + if (changeCalled == true && this.COUNTER < MAX_CYCLES) { + DOMutil.cleanupElements(this.svgElements); + this.abortedGraphUpdate = true; + this.COUNTER++; + this.body.emitter.emit('change'); + return true; + } + else { + if (this.COUNTER > MAX_CYCLES) { + console.log("WARNING: there may be an infinite loop in the _updateGraph emitter cycle.") + } + this.COUNTER = 0; + this.abortedGraphUpdate = false; - // close angle bracket - if (token != '}') { - throw newSyntaxError('Angle bracket } expected'); - } - getToken(); + // With the yAxis scaled correctly, use this to get the Y values of the points. + for (i = 0; i < groupIds.length; i++) { + group = this.groups[groupIds[i]]; + processedGroupData[groupIds[i]] = this._convertYcoordinates(groupsData[groupIds[i]], group); + } - // end of file - if (token !== '') { - throw newSyntaxError('End of file expected'); + // draw the groups + for (i = 0; i < groupIds.length; i++) { + group = this.groups[groupIds[i]]; + if (group.options.style != 'bar') { // bar needs to be drawn enmasse + group.draw(processedGroupData[groupIds[i]], group, this.framework); + } + } + BarGraphFunctions.draw(groupIds, processedGroupData, this.framework); + } + } } - getToken(); - // remove temporary default properties - delete graph.node; - delete graph.edge; - delete graph.graph; + // cleanup unused svg elements + DOMutil.cleanupElements(this.svgElements); + return false; + }; - return graph; - } /** - * Parse a list with statements. - * @param {Object} graph + * first select and preprocess the data from the datasets. + * the groups have their preselection of data, we now loop over this data to see + * what data we need to draw. Sorted data is much faster. + * more optimization is possible by doing the sampling before and using the binary search + * to find the end date to determine the increment. + * + * @param {array} groupIds + * @param {object} groupsData + * @param {date} minDate + * @param {date} maxDate + * @private */ - function parseStatements (graph) { - while (token !== '' && token != '}') { - parseStatement(graph); - if (token == ';') { - getToken(); + LineGraph.prototype._getRelevantData = function (groupIds, groupsData, minDate, maxDate) { + var group, i, j, item; + if (groupIds.length > 0) { + for (i = 0; i < groupIds.length; i++) { + group = this.groups[groupIds[i]]; + groupsData[groupIds[i]] = []; + var dataContainer = groupsData[groupIds[i]]; + // optimization for sorted data + if (group.options.sort == true) { + var guess = Math.max(0, util.binarySearchValue(group.itemsData, minDate, 'x', 'before')); + for (j = guess; j < group.itemsData.length; j++) { + item = group.itemsData[j]; + if (item !== undefined) { + if (item.x > maxDate) { + dataContainer.push(item); + break; + } + else { + dataContainer.push(item); + } + } + } + } + else { + for (j = 0; j < group.itemsData.length; j++) { + item = group.itemsData[j]; + if (item !== undefined) { + if (item.x > minDate && item.x < maxDate) { + dataContainer.push(item); + } + } + } + } } } - } + }; + /** - * Parse a single statement. Can be a an attribute statement, node - * statement, a series of node statements and edge statements, or a - * parameter. - * @param {Object} graph + * + * @param groupIds + * @param groupsData + * @private */ - function parseStatement(graph) { - // parse subgraph - var subgraph = parseSubgraph(graph); - if (subgraph) { - // edge statements - parseEdge(graph, subgraph); - - return; - } + LineGraph.prototype._applySampling = function (groupIds, groupsData) { + var group; + if (groupIds.length > 0) { + for (var i = 0; i < groupIds.length; i++) { + group = this.groups[groupIds[i]]; + if (group.options.sampling == true) { + var dataContainer = groupsData[groupIds[i]]; + if (dataContainer.length > 0) { + var increment = 1; + var amountOfPoints = dataContainer.length; - // parse an attribute statement - var attr = parseAttributeStatement(graph); - if (attr) { - return; - } + // the global screen is used because changing the width of the yAxis may affect the increment, resulting in an endless loop + // of width changing of the yAxis. + var xDistance = this.body.util.toGlobalScreen(dataContainer[dataContainer.length - 1].x) - this.body.util.toGlobalScreen(dataContainer[0].x); + var pointsPerPixel = amountOfPoints / xDistance; + increment = Math.min(Math.ceil(0.2 * amountOfPoints), Math.max(1, Math.round(pointsPerPixel))); - // parse node - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Identifier expected'); - } - var id = token; // id can be a string or a number - getToken(); + var sampledData = []; + for (var j = 0; j < amountOfPoints; j += increment) { + sampledData.push(dataContainer[j]); - if (token == '=') { - // id statement - getToken(); - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Identifier expected'); + } + groupsData[groupIds[i]] = sampledData; + } + } } - graph[id] = token; - getToken(); - // TODO: implement comma separated list with "a_list: ID=ID [','] [a_list] " - } - else { - parseNodeStatement(graph, id); } - } + }; + /** - * Parse a subgraph - * @param {Object} graph parent graph object - * @return {Object | null} subgraph + * + * + * @param {array} groupIds + * @param {object} groupsData + * @param {object} groupRanges | this is being filled here + * @private */ - function parseSubgraph (graph) { - var subgraph = null; - - // optional subgraph keyword - if (token == 'subgraph') { - subgraph = {}; - subgraph.type = 'subgraph'; - getToken(); - - // optional graph id - if (tokenType == TOKENTYPE.IDENTIFIER) { - subgraph.id = token; - getToken(); + LineGraph.prototype._getYRanges = function (groupIds, groupsData, groupRanges) { + var groupData, group, i; + var barCombinedDataLeft = []; + var barCombinedDataRight = []; + var options; + if (groupIds.length > 0) { + for (i = 0; i < groupIds.length; i++) { + groupData = groupsData[groupIds[i]]; + options = this.groups[groupIds[i]].options; + if (groupData.length > 0) { + group = this.groups[groupIds[i]]; + // if bar graphs are stacked, their range need to be handled differently and accumulated over all groups. + if (options.barChart.handleOverlap == 'stack' && options.style == 'bar') { + if (options.yAxisOrientation == 'left') {barCombinedDataLeft = barCombinedDataLeft.concat(group.getYRange(groupData)) ;} + else {barCombinedDataRight = barCombinedDataRight.concat(group.getYRange(groupData));} + } + else { + groupRanges[groupIds[i]] = group.getYRange(groupData,groupIds[i]); + } + } } + + // if bar graphs are stacked, their range need to be handled differently and accumulated over all groups. + BarGraphFunctions.getStackedBarYRange(barCombinedDataLeft , groupRanges, groupIds, '__barchartLeft' , 'left' ); + BarGraphFunctions.getStackedBarYRange(barCombinedDataRight, groupRanges, groupIds, '__barchartRight', 'right'); } + }; - // open angle bracket - if (token == '{') { - getToken(); - if (!subgraph) { - subgraph = {}; + /** + * this sets the Y ranges for the Y axis. It also determines which of the axis should be shown or hidden. + * @param {Array} groupIds + * @param {Object} groupRanges + * @private + */ + LineGraph.prototype._updateYAxis = function (groupIds, groupRanges) { + var resized = false; + var yAxisLeftUsed = false; + var yAxisRightUsed = false; + var minLeft = 1e9, minRight = 1e9, maxLeft = -1e9, maxRight = -1e9, minVal, maxVal; + // if groups are present + if (groupIds.length > 0) { + // this is here to make sure that if there are no items in the axis but there are groups, that there is no infinite draw/redraw loop. + for (var i = 0; i < groupIds.length; i++) { + var group = this.groups[groupIds[i]]; + if (group && group.options.yAxisOrientation != 'right') { + yAxisLeftUsed = true; + minLeft = 0; + maxLeft = 0; + } + else if (group && group.options.yAxisOrientation) { + yAxisRightUsed = true; + minRight = 0; + maxRight = 0; + } } - subgraph.parent = graph; - subgraph.node = graph.node; - subgraph.edge = graph.edge; - subgraph.graph = graph.graph; - // statements - parseStatements(subgraph); + // if there are items: + for (var i = 0; i < groupIds.length; i++) { + if (groupRanges.hasOwnProperty(groupIds[i])) { + if (groupRanges[groupIds[i]].ignore !== true) { + minVal = groupRanges[groupIds[i]].min; + maxVal = groupRanges[groupIds[i]].max; - // close angle bracket - if (token != '}') { - throw newSyntaxError('Angle bracket } expected'); + if (groupRanges[groupIds[i]].yAxisOrientation != 'right') { + yAxisLeftUsed = true; + minLeft = minLeft > minVal ? minVal : minLeft; + maxLeft = maxLeft < maxVal ? maxVal : maxLeft; + } + else { + yAxisRightUsed = true; + minRight = minRight > minVal ? minVal : minRight; + maxRight = maxRight < maxVal ? maxVal : maxRight; + } + } + } } - getToken(); - - // remove temporary default properties - delete subgraph.node; - delete subgraph.edge; - delete subgraph.graph; - delete subgraph.parent; - // register at the parent graph - if (!graph.subgraphs) { - graph.subgraphs = []; + if (yAxisLeftUsed == true) { + this.yAxisLeft.setRange(minLeft, maxLeft); + } + if (yAxisRightUsed == true) { + this.yAxisRight.setRange(minRight, maxRight); } - graph.subgraphs.push(subgraph); } + resized = this._toggleAxisVisiblity(yAxisLeftUsed , this.yAxisLeft) || resized; + resized = this._toggleAxisVisiblity(yAxisRightUsed, this.yAxisRight) || resized; - return subgraph; - } - - /** - * parse an attribute statement like "node [shape=circle fontSize=16]". - * Available keywords are 'node', 'edge', 'graph'. - * The previous list with default attributes will be replaced - * @param {Object} graph - * @returns {String | null} keyword Returns the name of the parsed attribute - * (node, edge, graph), or null if nothing - * is parsed. - */ - function parseAttributeStatement (graph) { - // attribute statements - if (token == 'node') { - getToken(); - - // node attributes - graph.node = parseAttributeList(); - return 'node'; + if (yAxisRightUsed == true && yAxisLeftUsed == true) { + this.yAxisLeft.drawIcons = true; + this.yAxisRight.drawIcons = true; } - else if (token == 'edge') { - getToken(); + else { + this.yAxisLeft.drawIcons = false; + this.yAxisRight.drawIcons = false; + } + this.yAxisRight.master = !yAxisLeftUsed; + if (this.yAxisRight.master == false) { + if (yAxisRightUsed == true) {this.yAxisLeft.lineOffset = this.yAxisRight.width;} + else {this.yAxisLeft.lineOffset = 0;} - // edge attributes - graph.edge = parseAttributeList(); - return 'edge'; + resized = this.yAxisLeft.redraw() || resized; + this.yAxisRight.stepPixelsForced = this.yAxisLeft.stepPixels; + this.yAxisRight.zeroCrossing = this.yAxisLeft.zeroCrossing; + resized = this.yAxisRight.redraw() || resized; + } + else { + resized = this.yAxisRight.redraw() || resized; } - else if (token == 'graph') { - getToken(); - // graph attributes - graph.graph = parseAttributeList(); - return 'graph'; + // clean the accumulated lists + if (groupIds.indexOf('__barchartLeft') != -1) { + groupIds.splice(groupIds.indexOf('__barchartLeft'),1); + } + if (groupIds.indexOf('__barchartRight') != -1) { + groupIds.splice(groupIds.indexOf('__barchartRight'),1); } - return null; - } + return resized; + }; + /** - * parse a node statement - * @param {Object} graph - * @param {String | Number} id + * This shows or hides the Y axis if needed. If there is a change, the changed event is emitted by the updateYAxis function + * + * @param {boolean} axisUsed + * @returns {boolean} + * @private + * @param axis */ - function parseNodeStatement(graph, id) { - // node statement - var node = { - id: id - }; - var attr = parseAttributeList(); - if (attr) { - node.attr = attr; + LineGraph.prototype._toggleAxisVisiblity = function (axisUsed, axis) { + var changed = false; + if (axisUsed == false) { + if (axis.dom.frame.parentNode && axis.hidden == false) { + axis.hide() + changed = true; + } } - addNode(graph, node); + else { + if (!axis.dom.frame.parentNode && axis.hidden == true) { + axis.show(); + changed = true; + } + } + return changed; + }; - // edge statements - parseEdge(graph, id); - } /** - * Parse an edge or a series of edges - * @param {Object} graph - * @param {String | Number} from Id of the from node + * This uses the DataAxis object to generate the correct X coordinate on the SVG window. It uses the + * util function toScreen to get the x coordinate from the timestamp. It also pre-filters the data and get the minMax ranges for + * the yAxis. + * + * @param datapoints + * @returns {Array} + * @private */ - function parseEdge(graph, from) { - while (token == '->' || token == '--') { - var to; - var type = token; - getToken(); - - var subgraph = parseSubgraph(graph); - if (subgraph) { - to = subgraph; - } - else { - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Identifier or subgraph expected'); - } - to = token; - addNode(graph, { - id: to - }); - getToken(); - } + LineGraph.prototype._convertXcoordinates = function (datapoints) { + var extractedData = []; + var xValue, yValue; + var toScreen = this.body.util.toScreen; - // parse edge attributes - var attr = parseAttributeList(); + for (var i = 0; i < datapoints.length; i++) { + xValue = toScreen(datapoints[i].x) + this.props.width; + yValue = datapoints[i].y; + extractedData.push({x: xValue, y: yValue}); + } - // create edge - var edge = createEdge(graph, from, to, type, attr); - addEdge(graph, edge); + return extractedData; + }; - from = to; - } - } /** - * Parse a set with attributes, - * for example [label="1.000", shape=solid] - * @return {Object | null} attr + * This uses the DataAxis object to generate the correct X coordinate on the SVG window. It uses the + * util function toScreen to get the x coordinate from the timestamp. It also pre-filters the data and get the minMax ranges for + * the yAxis. + * + * @param datapoints + * @param group + * @returns {Array} + * @private */ - function parseAttributeList() { - var attr = null; + LineGraph.prototype._convertYcoordinates = function (datapoints, group) { + var extractedData = []; + var xValue, yValue; + var toScreen = this.body.util.toScreen; + var axis = this.yAxisLeft; + var svgHeight = Number(this.svg.style.height.replace('px','')); + if (group.options.yAxisOrientation == 'right') { + axis = this.yAxisRight; + } - while (token == '[') { - getToken(); - attr = {}; - while (token !== '' && token != ']') { - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Attribute name expected'); - } - var name = token; + for (var i = 0; i < datapoints.length; i++) { + xValue = toScreen(datapoints[i].x) + this.props.width; + yValue = Math.round(axis.convertValue(datapoints[i].y)); + extractedData.push({x: xValue, y: yValue}); + } - getToken(); - if (token != '=') { - throw newSyntaxError('Equal sign = expected'); - } - getToken(); + group.setZeroPosition(Math.min(svgHeight, axis.convertValue(0))); - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Attribute value expected'); - } - var value = token; - setValue(attr, name, value); // name can be a path + return extractedData; + }; - getToken(); - if (token ==',') { - getToken(); - } - } - if (token != ']') { - throw newSyntaxError('Bracket ] expected'); - } - getToken(); - } + module.exports = LineGraph; - return attr; - } - /** - * Create a syntax error with extra information on current token and index. - * @param {String} message - * @returns {SyntaxError} err - */ - function newSyntaxError(message) { - return new SyntaxError(message + ', got "' + chop(token, 30) + '" (char ' + index + ')'); - } +/***/ }, +/* 44 */ +/***/ function(module, exports, __webpack_require__) { - /** - * Chop off text after a maximum length - * @param {String} text - * @param {Number} maxLength - * @returns {String} - */ - function chop (text, maxLength) { - return (text.length <= maxLength) ? text : (text.substr(0, 27) + '...'); - } + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); + var Component = __webpack_require__(23); + var DataStep = __webpack_require__(45); /** - * Execute a function fn for each pair of elements in two arrays - * @param {Array | *} array1 - * @param {Array | *} array2 - * @param {function} fn + * A horizontal time axis + * @param {Object} [options] See DataAxis.setOptions for the available + * options. + * @constructor DataAxis + * @extends Component + * @param body */ - function forEach2(array1, array2, fn) { - if (Array.isArray(array1)) { - array1.forEach(function (elem1) { - if (Array.isArray(array2)) { - array2.forEach(function (elem2) { - fn(elem1, elem2); - }); - } - else { - fn(elem1, array2); - } - }); - } - else { - if (Array.isArray(array2)) { - array2.forEach(function (elem2) { - fn(array1, elem2); - }); - } - else { - fn(array1, array2); + function DataAxis (body, options, svg, linegraphOptions) { + this.id = util.randomUUID(); + this.body = body; + + this.defaultOptions = { + orientation: 'left', // supported: 'left', 'right' + showMinorLabels: true, + showMajorLabels: true, + icons: true, + majorLinesOffset: 7, + minorLinesOffset: 4, + labelOffsetX: 10, + labelOffsetY: 2, + iconWidth: 20, + width: '40px', + visible: true, + alignZeros: true, + customRange: { + left: {min:undefined, max:undefined}, + right: {min:undefined, max:undefined} + }, + title: { + left: {text:undefined}, + right: {text:undefined} + }, + format: { + left: {decimals: undefined}, + right: {decimals: undefined} } - } - } + }; - /** - * Convert a string containing a graph in DOT language into a map containing - * with nodes and edges in the format of graph. - * @param {String} data Text containing a graph in DOT-notation - * @return {Object} graphData - */ - function DOTToGraph (data) { - // parse the DOT file - var dotData = parseDOT(data); - var graphData = { - nodes: [], - edges: [], - options: {} + this.linegraphOptions = linegraphOptions; + this.linegraphSVG = svg; + this.props = {}; + this.DOMelements = { // dynamic elements + lines: {}, + labels: {}, + title: {} }; - // copy the nodes - if (dotData.nodes) { - dotData.nodes.forEach(function (dotNode) { - var graphNode = { - id: dotNode.id, - label: String(dotNode.label || dotNode.id) - }; - merge(graphNode, dotNode.attr); - if (graphNode.image) { - graphNode.shape = 'image'; - } - graphData.nodes.push(graphNode); - }); - } + this.dom = {}; - // copy the edges - if (dotData.edges) { - /** - * Convert an edge in DOT format to an edge with VisGraph format - * @param {Object} dotEdge - * @returns {Object} graphEdge - */ - var convertEdge = function (dotEdge) { - var graphEdge = { - from: dotEdge.from, - to: dotEdge.to - }; - merge(graphEdge, dotEdge.attr); - graphEdge.style = (dotEdge.type == '->') ? 'arrow' : 'line'; - return graphEdge; - } + this.range = {start:0, end:0}; - dotData.edges.forEach(function (dotEdge) { - var from, to; - if (dotEdge.from instanceof Object) { - from = dotEdge.from.nodes; - } - else { - from = { - id: dotEdge.from - } - } + this.options = util.extend({}, this.defaultOptions); + this.conversionFactor = 1; - if (dotEdge.to instanceof Object) { - to = dotEdge.to.nodes; - } - else { - to = { - id: dotEdge.to - } - } + this.setOptions(options); + this.width = Number(('' + this.options.width).replace("px","")); + this.minWidth = this.width; + this.height = this.linegraphSVG.offsetHeight; + this.hidden = false; - if (dotEdge.from instanceof Object && dotEdge.from.edges) { - dotEdge.from.edges.forEach(function (subEdge) { - var graphEdge = convertEdge(subEdge); - graphData.edges.push(graphEdge); - }); - } + this.stepPixels = 25; + this.stepPixelsForced = 25; + this.zeroCrossing = -1; - forEach2(from, to, function (from, to) { - var subEdge = createEdge(graphData, from.id, to.id, dotEdge.type, dotEdge.attr); - var graphEdge = convertEdge(subEdge); - graphData.edges.push(graphEdge); - }); + this.lineOffset = 0; + this.master = true; + this.svgElements = {}; + this.iconsRemoved = false; - if (dotEdge.to instanceof Object && dotEdge.to.edges) { - dotEdge.to.edges.forEach(function (subEdge) { - var graphEdge = convertEdge(subEdge); - graphData.edges.push(graphEdge); - }); - } - }); - } - // copy the options - if (dotData.attr) { - graphData.options = dotData.attr; - } + this.groups = {}; + this.amountOfGroups = 0; - return graphData; + // create the HTML DOM + this._create(); + + var me = this; + this.body.emitter.on("verticalDrag", function() { + me.dom.lineContainer.style.top = me.body.domProps.scrollTop + 'px'; + }); } - // exports - exports.parseDOT = parseDOT; - exports.DOTToGraph = DOTToGraph; + DataAxis.prototype = new Component(); -/***/ }, -/* 43 */ -/***/ function(module, exports, __webpack_require__) { + DataAxis.prototype.addGroup = function(label, graphOptions) { + if (!this.groups.hasOwnProperty(label)) { + this.groups[label] = graphOptions; + } + this.amountOfGroups += 1; + }; - - function parseGephi(gephiJSON, options) { - var edges = []; - var nodes = []; - this.options = { - edges: { - inheritColor: true - }, - nodes: { - allowedToMove: false, - parseColor: false - } - }; + DataAxis.prototype.updateGroup = function(label, graphOptions) { + this.groups[label] = graphOptions; + }; - if (options !== undefined) { - this.options.nodes['allowedToMove'] = options.allowedToMove | false; - this.options.nodes['parseColor'] = options.parseColor | false; - this.options.edges['inheritColor'] = options.inheritColor | true; + DataAxis.prototype.removeGroup = function(label) { + if (this.groups.hasOwnProperty(label)) { + delete this.groups[label]; + this.amountOfGroups -= 1; } + }; - var gEdges = gephiJSON.edges; - var gNodes = gephiJSON.nodes; - for (var i = 0; i < gEdges.length; i++) { - var edge = {}; - var gEdge = gEdges[i]; - edge['id'] = gEdge.id; - edge['from'] = gEdge.source; - edge['to'] = gEdge.target; - edge['attributes'] = gEdge.attributes; - // edge['value'] = gEdge.attributes !== undefined ? gEdge.attributes.Weight : undefined; - // edge['width'] = edge['value'] !== undefined ? undefined : edgegEdge.size; - edge['color'] = gEdge.color; - edge['inheritColor'] = edge['color'] !== undefined ? false : this.options.inheritColor; - edges.push(edge); - } - for (var i = 0; i < gNodes.length; i++) { - var node = {}; - var gNode = gNodes[i]; - node['id'] = gNode.id; - node['attributes'] = gNode.attributes; - node['x'] = gNode.x; - node['y'] = gNode.y; - node['label'] = gNode.label; - if (this.options.nodes.parseColor == true) { - node['color'] = gNode.color; + DataAxis.prototype.setOptions = function (options) { + if (options) { + var redraw = false; + if (this.options.orientation != options.orientation && options.orientation !== undefined) { + redraw = true; } - else { - node['color'] = gNode.color !== undefined ? {background:gNode.color, border:gNode.color} : undefined; + var fields = [ + 'orientation', + 'showMinorLabels', + 'showMajorLabels', + 'icons', + 'majorLinesOffset', + 'minorLinesOffset', + 'labelOffsetX', + 'labelOffsetY', + 'iconWidth', + 'width', + 'visible', + 'customRange', + 'title', + 'format', + 'alignZeros' + ]; + util.selectiveExtend(fields, this.options, options); + + this.minWidth = Number(('' + this.options.width).replace("px","")); + + if (redraw == true && this.dom.frame) { + this.hide(); + this.show(); } - node['radius'] = gNode.size; - node['allowedToMoveX'] = this.options.nodes.allowedToMove; - node['allowedToMoveY'] = this.options.nodes.allowedToMove; - nodes.push(node); } + }; - return {nodes:nodes, edges:edges}; - } - exports.parseGephi = parseGephi; + /** + * Create the HTML DOM for the DataAxis + */ + DataAxis.prototype._create = function() { + this.dom.frame = document.createElement('div'); + this.dom.frame.style.width = this.options.width; + this.dom.frame.style.height = this.height; + + this.dom.lineContainer = document.createElement('div'); + this.dom.lineContainer.style.width = '100%'; + this.dom.lineContainer.style.height = this.height; + this.dom.lineContainer.style.position = 'relative'; + + // create svg element for graph drawing. + this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); + this.svg.style.position = "absolute"; + this.svg.style.top = '0px'; + this.svg.style.height = '100%'; + this.svg.style.width = '100%'; + this.svg.style.display = "block"; + this.dom.frame.appendChild(this.svg); + }; + + DataAxis.prototype._redrawGroupIcons = function () { + DOMutil.prepareElements(this.svgElements); -/***/ }, -/* 44 */ -/***/ function(module, exports, __webpack_require__) { + var x; + var iconWidth = this.options.iconWidth; + var iconHeight = 15; + var iconOffset = 4; + var y = iconOffset + 0.5 * iconHeight; - // first check if moment.js is already loaded in the browser window, if so, - // use this instance. Else, load via commonjs. - module.exports = (typeof window !== 'undefined') && window['moment'] || __webpack_require__(57); + if (this.options.orientation == 'left') { + x = iconOffset; + } + else { + x = this.width - iconWidth - iconOffset; + } + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { + this.groups[groupId].drawIcon(x, y, this.svgElements, this.svg, iconWidth, iconHeight); + y += iconHeight + iconOffset; + } + } + } -/***/ }, -/* 45 */ -/***/ function(module, exports, __webpack_require__) { + DOMutil.cleanupElements(this.svgElements); + this.iconsRemoved = false; + }; - // Only load hammer.js when in a browser environment - // (loading hammer.js in a node.js environment gives errors) - if (typeof window !== 'undefined') { - module.exports = window['Hammer'] || __webpack_require__(58); - } - else { - module.exports = function () { - throw Error('hammer.js is only available in a browser, not in node.js.'); + DataAxis.prototype._cleanupIcons = function() { + if (this.iconsRemoved == false) { + DOMutil.prepareElements(this.svgElements); + DOMutil.cleanupElements(this.svgElements); + this.iconsRemoved = true; } } + /** + * Create the HTML DOM for the DataAxis + */ + DataAxis.prototype.show = function() { + this.hidden = false; + if (!this.dom.frame.parentNode) { + if (this.options.orientation == 'left') { + this.body.dom.left.appendChild(this.dom.frame); + } + else { + this.body.dom.right.appendChild(this.dom.frame); + } + } -/***/ }, -/* 46 */ -/***/ function(module, exports, __webpack_require__) { - - var Emitter = __webpack_require__(56); - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); - var DataSet = __webpack_require__(3); - var DataView = __webpack_require__(4); - var Range = __webpack_require__(17); - var ItemSet = __webpack_require__(27); - var Activator = __webpack_require__(55); - var DateUtil = __webpack_require__(15); + if (!this.dom.lineContainer.parentNode) { + this.body.dom.backgroundHorizontal.appendChild(this.dom.lineContainer); + } + }; /** - * Create a timeline visualization - * @param {HTMLElement} container - * @param {vis.DataSet | Array | google.visualization.DataTable} [items] - * @param {Object} [options] See Core.setOptions for the available options. - * @constructor + * Create the HTML DOM for the DataAxis */ - function Core () {} + DataAxis.prototype.hide = function() { + this.hidden = true; + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); + } - // turn Core into an event emitter - Emitter(Core.prototype); + if (this.dom.lineContainer.parentNode) { + this.dom.lineContainer.parentNode.removeChild(this.dom.lineContainer); + } + }; /** - * Create the main DOM for the Core: a root panel containing left, right, - * top, bottom, content, and background panel. - * @param {Element} container The container element where the Core will - * be attached. - * @private + * Set a range (start and end) + * @param end + * @param start + * @param end */ - Core.prototype._create = function (container) { - this.dom = {}; + DataAxis.prototype.setRange = function (start, end) { + if (this.master == false && this.options.alignZeros == true && this.zeroCrossing != -1) { + if (start > 0) { + start = 0; + } + } + this.range.start = start; + this.range.end = end; + }; - this.dom.root = document.createElement('div'); - this.dom.background = document.createElement('div'); - this.dom.backgroundVertical = document.createElement('div'); - this.dom.backgroundHorizontal = document.createElement('div'); - this.dom.centerContainer = document.createElement('div'); - this.dom.leftContainer = document.createElement('div'); - this.dom.rightContainer = document.createElement('div'); - this.dom.center = document.createElement('div'); - this.dom.left = document.createElement('div'); - this.dom.right = document.createElement('div'); - this.dom.top = document.createElement('div'); - this.dom.bottom = document.createElement('div'); - this.dom.shadowTop = document.createElement('div'); - this.dom.shadowBottom = document.createElement('div'); - this.dom.shadowTopLeft = document.createElement('div'); - this.dom.shadowBottomLeft = document.createElement('div'); - this.dom.shadowTopRight = document.createElement('div'); - this.dom.shadowBottomRight = document.createElement('div'); + /** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ + DataAxis.prototype.redraw = function () { + var resized = false; + var activeGroups = 0; + + // Make sure the line container adheres to the vertical scrolling. + this.dom.lineContainer.style.top = this.body.domProps.scrollTop + 'px'; - this.dom.root.className = 'vis timeline root'; - this.dom.background.className = 'vispanel background'; - this.dom.backgroundVertical.className = 'vispanel background vertical'; - this.dom.backgroundHorizontal.className = 'vispanel background horizontal'; - this.dom.centerContainer.className = 'vispanel center'; - this.dom.leftContainer.className = 'vispanel left'; - this.dom.rightContainer.className = 'vispanel right'; - this.dom.top.className = 'vispanel top'; - this.dom.bottom.className = 'vispanel bottom'; - this.dom.left.className = 'content'; - this.dom.center.className = 'content'; - this.dom.right.className = 'content'; - this.dom.shadowTop.className = 'shadow top'; - this.dom.shadowBottom.className = 'shadow bottom'; - this.dom.shadowTopLeft.className = 'shadow top'; - this.dom.shadowBottomLeft.className = 'shadow bottom'; - this.dom.shadowTopRight.className = 'shadow top'; - this.dom.shadowBottomRight.className = 'shadow bottom'; + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { + activeGroups++; + } + } + } + if (this.amountOfGroups == 0 || activeGroups == 0) { + this.hide(); + } + else { + this.show(); + this.height = Number(this.linegraphSVG.style.height.replace("px","")); - this.dom.root.appendChild(this.dom.background); - this.dom.root.appendChild(this.dom.backgroundVertical); - this.dom.root.appendChild(this.dom.backgroundHorizontal); - this.dom.root.appendChild(this.dom.centerContainer); - this.dom.root.appendChild(this.dom.leftContainer); - this.dom.root.appendChild(this.dom.rightContainer); - this.dom.root.appendChild(this.dom.top); - this.dom.root.appendChild(this.dom.bottom); + // svg offsetheight did not work in firefox and explorer... + this.dom.lineContainer.style.height = this.height + 'px'; + this.width = this.options.visible == true ? Number(('' + this.options.width).replace("px","")) : 0; - this.dom.centerContainer.appendChild(this.dom.center); - this.dom.leftContainer.appendChild(this.dom.left); - this.dom.rightContainer.appendChild(this.dom.right); + var props = this.props; + var frame = this.dom.frame; - this.dom.centerContainer.appendChild(this.dom.shadowTop); - this.dom.centerContainer.appendChild(this.dom.shadowBottom); - this.dom.leftContainer.appendChild(this.dom.shadowTopLeft); - this.dom.leftContainer.appendChild(this.dom.shadowBottomLeft); - this.dom.rightContainer.appendChild(this.dom.shadowTopRight); - this.dom.rightContainer.appendChild(this.dom.shadowBottomRight); + // update classname + frame.className = 'dataaxis'; - this.on('rangechange', this.redraw.bind(this)); - this.on('touch', this._onTouch.bind(this)); - this.on('pinch', this._onPinch.bind(this)); - this.on('dragstart', this._onDragStart.bind(this)); - this.on('drag', this._onDrag.bind(this)); + // calculate character width and height + this._calculateCharSize(); - var me = this; - this.on('change', function (properties) { - if (properties && properties.queue == true) { - // redraw once on next tick - if (!me._redrawTimer) { - me._redrawTimer = setTimeout(function () { - me._redrawTimer = null; - me.redraw(); - }, 0) - } - } - else { - // redraw immediately - me.redraw(); - } - }); + var orientation = this.options.orientation; + var showMinorLabels = this.options.showMinorLabels; + var showMajorLabels = this.options.showMajorLabels; - // create event listeners for all interesting events, these events will be - // emitted via emitter - this.hammer = Hammer(this.dom.root, { - preventDefault: true - }); - this.listeners = {}; + // determine the width and height of the elements for the axis + props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; + props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; - var events = [ - 'touch', 'pinch', - 'tap', 'doubletap', 'hold', - 'dragstart', 'drag', 'dragend', - 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is needed for Firefox - ]; - events.forEach(function (event) { - var listener = function () { - var args = [event].concat(Array.prototype.slice.call(arguments, 0)); - if (me.isActive()) { - me.emit.apply(me, args); - } - }; - me.hammer.on(event, listener); - me.listeners[event] = listener; - }); + props.minorLineWidth = this.body.dom.backgroundHorizontal.offsetWidth - this.lineOffset - this.width + 2 * this.options.minorLinesOffset; + props.minorLineHeight = 1; + props.majorLineWidth = this.body.dom.backgroundHorizontal.offsetWidth - this.lineOffset - this.width + 2 * this.options.majorLinesOffset; + props.majorLineHeight = 1; - // size properties of each of the panels - this.props = { - root: {}, - background: {}, - centerContainer: {}, - leftContainer: {}, - rightContainer: {}, - center: {}, - left: {}, - right: {}, - top: {}, - bottom: {}, - border: {}, - scrollTop: 0, - scrollTopMin: 0 - }; - this.touch = {}; // store state information needed for touch events + // take frame offline while updating (is almost twice as fast) + if (orientation == 'left') { + frame.style.top = '0'; + frame.style.left = '0'; + frame.style.bottom = ''; + frame.style.width = this.width + 'px'; + frame.style.height = this.height + "px"; + this.props.width = this.body.domProps.left.width; + this.props.height = this.body.domProps.left.height; + } + else { // right + frame.style.top = ''; + frame.style.bottom = '0'; + frame.style.left = '0'; + frame.style.width = this.width + 'px'; + frame.style.height = this.height + "px"; + this.props.width = this.body.domProps.right.width; + this.props.height = this.body.domProps.right.height; + } - this.redrawCount = 0; + resized = this._redrawLabels(); + resized = this._isResized() || resized; - // attach the root panel to the provided container - if (!container) throw new Error('No container provided'); - container.appendChild(this.dom.root); + if (this.options.icons == true) { + this._redrawGroupIcons(); + } + else { + this._cleanupIcons(); + } + + this._redrawTitle(orientation); + } + return resized; }; /** - * Set options. Options will be passed to all components loaded in the Timeline. - * @param {Object} [options] - * {String} orientation - * Vertical orientation for the Timeline, - * can be 'bottom' (default) or 'top'. - * {String | Number} width - * Width for the timeline, a number in pixels or - * a css string like '1000px' or '75%'. '100%' by default. - * {String | Number} height - * Fixed height for the Timeline, a number in pixels or - * a css string like '400px' or '75%'. If undefined, - * The Timeline will automatically size such that - * its contents fit. - * {String | Number} minHeight - * Minimum height for the Timeline, a number in pixels or - * a css string like '400px' or '75%'. - * {String | Number} maxHeight - * Maximum height for the Timeline, a number in pixels or - * a css string like '400px' or '75%'. - * {Number | Date | String} start - * Start date for the visible window - * {Number | Date | String} end - * End date for the visible window + * Repaint major and minor text labels and vertical grid lines + * @private */ - Core.prototype.setOptions = function (options) { - if (options) { - // copy the known options - var fields = ['width', 'height', 'minHeight', 'maxHeight', 'autoResize', 'start', 'end', 'orientation', 'clickToUse', 'dataAttributes', 'hiddenDates']; - util.selectiveExtend(fields, this.options, options); + DataAxis.prototype._redrawLabels = function () { + var resized = false; + DOMutil.prepareElements(this.DOMelements.lines); + DOMutil.prepareElements(this.DOMelements.labels); - if ('hiddenDates' in this.options) { - DateUtil.convertHiddenOptions(this.body, this.options.hiddenDates); + var orientation = this.options['orientation']; + + // calculate range and step (step such that we have space for 7 characters per label) + var minimumStep = this.master ? this.props.majorCharHeight || 10 : this.stepPixelsForced; + + var step = new DataStep( + this.range.start, + this.range.end, + minimumStep, + this.dom.frame.offsetHeight, + this.options.customRange[this.options.orientation], + this.master == false && this.options.alignZeros // doess the step have to align zeros? only if not master and the options is on + ); + + this.step = step; + // get the distance in pixels for a step + // dead space is space that is "left over" after a step + var stepPixels = (this.dom.frame.offsetHeight - (step.deadSpace * (this.dom.frame.offsetHeight / step.marginRange))) / (((step.marginRange - step.deadSpace) / step.step)); + + this.stepPixels = stepPixels; + + var amountOfSteps = this.height / stepPixels; + var stepDifference = 0; + + // the slave axis needs to use the same horizontal lines as the master axis. + if (this.master == false) { + stepPixels = this.stepPixelsForced; + stepDifference = Math.round((this.dom.frame.offsetHeight / stepPixels) - amountOfSteps); + for (var i = 0; i < 0.5 * stepDifference; i++) { + step.previous(); } + amountOfSteps = this.height / stepPixels; - if ('clickToUse' in options) { - if (options.clickToUse) { - if (!this.activator) { - this.activator = new Activator(this.dom.root); - } + if (this.zeroCrossing != -1 && this.options.alignZeros == true) { + var zeroStepDifference = (step.marginEnd / step.step) - this.zeroCrossing; + if (zeroStepDifference > 0) { + for (var i = 0; i < zeroStepDifference; i++) {step.next();} } - else { - if (this.activator) { - this.activator.destroy(); - delete this.activator; - } + else if (zeroStepDifference < 0) { + for (var i = 0; i < -zeroStepDifference; i++) {step.previous();} } } - - // enable/disable autoResize - this._initAutoResize(); } - - // propagate options to all components - this.components.forEach(function (component) { - component.setOptions(options); - }); - - // TODO: remove deprecation error one day (deprecated since version 0.8.0) - if (options && options.order) { - throw new Error('Option order is deprecated. There is no replacement for this feature.'); + else { + amountOfSteps += 0.25; } - // redraw everything - this.redraw(); - }; - - /** - * Returns true when the Timeline is active. - * @returns {boolean} - */ - Core.prototype.isActive = function () { - return !this.activator || this.activator.active; - }; - - /** - * Destroy the Core, clean up all DOM elements and event listeners. - */ - Core.prototype.destroy = function () { - // unbind datasets - this.clear(); - // remove all event listeners - this.off(); + this.valueAtZero = step.marginEnd; + var marginStartPos = 0; - // stop checking for changed size - this._stopAutoResize(); + // do not draw the first label + var max = 1; - // remove from DOM - if (this.dom.root.parentNode) { - this.dom.root.parentNode.removeChild(this.dom.root); + // Get the number of decimal places + var decimals; + if(this.options.format[orientation] !== undefined) { + decimals = this.options.format[orientation].decimals; } - this.dom = null; - // remove Activator - if (this.activator) { - this.activator.destroy(); - delete this.activator; - } + this.maxLabelSize = 0; + var y = 0; + while (max < Math.round(amountOfSteps)) { + step.next(); + y = Math.round(max * stepPixels); + marginStartPos = max * stepPixels; + var isMajor = step.isMajor(); - // cleanup hammer touch events - for (var event in this.listeners) { - if (this.listeners.hasOwnProperty(event)) { - delete this.listeners[event]; + if (this.options['showMinorLabels'] && isMajor == false || this.master == false && this.options['showMinorLabels'] == true) { + this._redrawLabel(y - 2, step.getCurrent(decimals), orientation, 'yAxis minor', this.props.minorCharHeight); } - } - this.listeners = null; - this.hammer = null; - // give all components the opportunity to cleanup - this.components.forEach(function (component) { - component.destroy(); - }); + if (isMajor && this.options['showMajorLabels'] && this.master == true || + this.options['showMinorLabels'] == false && this.master == false && isMajor == true) { + if (y >= 0) { + this._redrawLabel(y - 2, step.getCurrent(decimals), orientation, 'yAxis major', this.props.majorCharHeight); + } + this._redrawLine(y, orientation, 'grid horizontal major', this.options.majorLinesOffset, this.props.majorLineWidth); + } + else { + this._redrawLine(y, orientation, 'grid horizontal minor', this.options.minorLinesOffset, this.props.minorLineWidth); + } - this.body = null; - }; + if (this.master == true && step.current == 0) { + this.zeroCrossing = max; + } + max++; + } - /** - * Set a custom time bar - * @param {Date} time - */ - Core.prototype.setCustomTime = function (time) { - if (!this.customTime) { - throw new Error('Cannot get custom time: Custom time bar is not enabled'); + if (this.master == false) { + this.conversionFactor = y / (this.valueAtZero - step.current); + } + else { + this.conversionFactor = this.dom.frame.offsetHeight / step.marginRange; } - this.customTime.setCustomTime(time); - }; + // Note that title is rotated, so we're using the height, not width! + var titleWidth = 0; + if (this.options.title[orientation] !== undefined && this.options.title[orientation].text !== undefined) { + titleWidth = this.props.titleCharHeight; + } + var offset = this.options.icons == true ? Math.max(this.options.iconWidth, titleWidth) + this.options.labelOffsetX + 15 : titleWidth + this.options.labelOffsetX + 15; - /** - * Retrieve the current custom time. - * @return {Date} customTime - */ - Core.prototype.getCustomTime = function() { - if (!this.customTime) { - throw new Error('Cannot get custom time: Custom time bar is not enabled'); + // this will resize the yAxis to accommodate the labels. + if (this.maxLabelSize > (this.width - offset) && this.options.visible == true) { + this.width = this.maxLabelSize + offset; + this.options.width = this.width + "px"; + DOMutil.cleanupElements(this.DOMelements.lines); + DOMutil.cleanupElements(this.DOMelements.labels); + this.redraw(); + resized = true; + } + // this will resize the yAxis if it is too big for the labels. + else if (this.maxLabelSize < (this.width - offset) && this.options.visible == true && this.width > this.minWidth) { + this.width = Math.max(this.minWidth,this.maxLabelSize + offset); + this.options.width = this.width + "px"; + DOMutil.cleanupElements(this.DOMelements.lines); + DOMutil.cleanupElements(this.DOMelements.labels); + this.redraw(); + resized = true; + } + else { + DOMutil.cleanupElements(this.DOMelements.lines); + DOMutil.cleanupElements(this.DOMelements.labels); + resized = false; } - return this.customTime.getCustomTime(); + return resized; }; - - /** - * Get the id's of the currently visible items. - * @returns {Array} The ids of the visible items - */ - Core.prototype.getVisibleItems = function() { - return this.itemSet && this.itemSet.getVisibleItems() || []; + DataAxis.prototype.convertValue = function (value) { + var invertedValue = this.valueAtZero - value; + var convertedValue = invertedValue * this.conversionFactor; + return convertedValue; }; - - /** - * Clear the Core. By Default, items, groups and options are cleared. - * Example usage: - * - * timeline.clear(); // clear items, groups, and options - * timeline.clear({options: true}); // clear options only - * - * @param {Object} [what] Optionally specify what to clear. By default: - * {items: true, groups: true, options: true} + * Create a label for the axis at position x + * @private + * @param y + * @param text + * @param orientation + * @param className + * @param characterHeight */ - Core.prototype.clear = function(what) { - // clear items - if (!what || what.items) { - this.setItems(null); + DataAxis.prototype._redrawLabel = function (y, text, orientation, className, characterHeight) { + // reuse redundant label + var label = DOMutil.getDOMElement('div',this.DOMelements.labels, this.dom.frame); //this.dom.redundant.labels.shift(); + label.className = className; + label.innerHTML = text; + if (orientation == 'left') { + label.style.left = '-' + this.options.labelOffsetX + 'px'; + label.style.textAlign = "right"; } - - // clear groups - if (!what || what.groups) { - this.setGroups(null); + else { + label.style.right = '-' + this.options.labelOffsetX + 'px'; + label.style.textAlign = "left"; } - // clear options of timeline and of each of the components - if (!what || what.options) { - this.components.forEach(function (component) { - component.setOptions(component.defaultOptions); - }); + label.style.top = y - 0.5 * characterHeight + this.options.labelOffsetY + 'px'; - this.setOptions(this.defaultOptions); // this will also do a redraw + text += ''; + + var largestWidth = Math.max(this.props.majorCharWidth,this.props.minorCharWidth); + if (this.maxLabelSize < text.length * largestWidth) { + this.maxLabelSize = text.length * largestWidth; } }; /** - * Set Core window such that it fits all items - * @param {Object} [options] Available options: - * `animate: boolean | number` - * If true (default), the range is animated - * smoothly to the new window. - * If a number, the number is taken as duration - * for the animation. Default duration is 500 ms. + * Create a minor line for the axis at position y + * @param y + * @param orientation + * @param className + * @param offset + * @param width */ - Core.prototype.fit = function(options) { - var range = this._getDataRange(); + DataAxis.prototype._redrawLine = function (y, orientation, className, offset, width) { + if (this.master == true) { + var line = DOMutil.getDOMElement('div',this.DOMelements.lines, this.dom.lineContainer);//this.dom.redundant.lines.shift(); + line.className = className; + line.innerHTML = ''; - // skip range set if there is no start and end date - if (range.start === null && range.end === null) { - return; - } + if (orientation == 'left') { + line.style.left = (this.width - offset) + 'px'; + } + else { + line.style.right = (this.width - offset) + 'px'; + } - var animate = (options && options.animate !== undefined) ? options.animate : true; - this.range.setRange(range.start, range.end, animate); + line.style.width = width + 'px'; + line.style.top = y + 'px'; + } }; /** - * Calculate the data range of the items and applies a 5% window around it. - * @returns {{start: Date | null, end: Date | null}} - * @protected + * Create a title for the axis + * @private + * @param orientation */ - Core.prototype._getDataRange = function() { - // apply the data range as range - var dataRange = this.getItemRange(); + DataAxis.prototype._redrawTitle = function (orientation) { + DOMutil.prepareElements(this.DOMelements.title); - // add 5% space on both sides - var start = dataRange.min; - var end = dataRange.max; - if (start != null && end != null) { - var interval = (end.valueOf() - start.valueOf()); - if (interval <= 0) { - // prevent an empty interval - interval = 24 * 60 * 60 * 1000; // 1 day + // Check if the title is defined for this axes + if (this.options.title[orientation] !== undefined && this.options.title[orientation].text !== undefined) { + var title = DOMutil.getDOMElement('div', this.DOMelements.title, this.dom.frame); + title.className = 'yAxis title ' + orientation; + title.innerHTML = this.options.title[orientation].text; + + // Add style - if provided + if (this.options.title[orientation].style !== undefined) { + util.addCssText(title, this.options.title[orientation].style); } - start = new Date(start.valueOf() - interval * 0.05); - end = new Date(end.valueOf() + interval * 0.05); - } - return { - start: start, - end: end + if (orientation == 'left') { + title.style.left = this.props.titleCharHeight + 'px'; + } + else { + title.style.right = this.props.titleCharHeight + 'px'; + } + + title.style.width = this.height + 'px'; } + + // we need to clean up in case we did not use all elements. + DOMutil.cleanupElements(this.DOMelements.title); }; + + + /** - * Set the visible window. Both parameters are optional, you can change only - * start or only end. Syntax: - * - * TimeLine.setWindow(start, end) - * TimeLine.setWindow(range) - * - * Where start and end can be a Date, number, or string, and range is an - * object with properties start and end. - * - * @param {Date | Number | String | Object} [start] Start date of visible window - * @param {Date | Number | String} [end] End date of visible window - * @param {Object} [options] Available options: - * `animate: boolean | number` - * If true (default), the range is animated - * smoothly to the new window. - * If a number, the number is taken as duration - * for the animation. Default duration is 500 ms. + * Determine the size of text on the axis (both major and minor axis). + * The size is calculated only once and then cached in this.props. + * @private */ - Core.prototype.setWindow = function(start, end, options) { - var animate = (options && options.animate !== undefined) ? options.animate : true; - if (arguments.length == 1) { - var range = arguments[0]; - this.range.setRange(range.start, range.end, animate); + DataAxis.prototype._calculateCharSize = function () { + // determine the char width and height on the minor axis + if (!('minorCharHeight' in this.props)) { + var textMinor = document.createTextNode('0'); + var measureCharMinor = document.createElement('div'); + measureCharMinor.className = 'yAxis minor measure'; + measureCharMinor.appendChild(textMinor); + this.dom.frame.appendChild(measureCharMinor); + + this.props.minorCharHeight = measureCharMinor.clientHeight; + this.props.minorCharWidth = measureCharMinor.clientWidth; + + this.dom.frame.removeChild(measureCharMinor); } - else { - this.range.setRange(start, end, animate); + + if (!('majorCharHeight' in this.props)) { + var textMajor = document.createTextNode('0'); + var measureCharMajor = document.createElement('div'); + measureCharMajor.className = 'yAxis major measure'; + measureCharMajor.appendChild(textMajor); + this.dom.frame.appendChild(measureCharMajor); + + this.props.majorCharHeight = measureCharMajor.clientHeight; + this.props.majorCharWidth = measureCharMajor.clientWidth; + + this.dom.frame.removeChild(measureCharMajor); } - }; - /** - * Move the window such that given time is centered on screen. - * @param {Date | Number | String} time - * @param {Object} [options] Available options: - * `animate: boolean | number` - * If true (default), the range is animated - * smoothly to the new window. - * If a number, the number is taken as duration - * for the animation. Default duration is 500 ms. - */ - Core.prototype.moveTo = function(time, options) { - var interval = this.range.end - this.range.start; - var t = util.convert(time, 'Date').valueOf(); + if (!('titleCharHeight' in this.props)) { + var textTitle = document.createTextNode('0'); + var measureCharTitle = document.createElement('div'); + measureCharTitle.className = 'yAxis title measure'; + measureCharTitle.appendChild(textTitle); + this.dom.frame.appendChild(measureCharTitle); - var start = t - interval / 2; - var end = t + interval / 2; - var animate = (options && options.animate !== undefined) ? options.animate : true; + this.props.titleCharHeight = measureCharTitle.clientHeight; + this.props.titleCharWidth = measureCharTitle.clientWidth; - this.range.setRange(start, end, animate); + this.dom.frame.removeChild(measureCharTitle); + } }; /** - * Get the visible window - * @return {{start: Date, end: Date}} Visible range + * Snap a date to a rounded value. + * The snap intervals are dependent on the current scale and step. + * @param {Date} date the date to be snapped. + * @return {Date} snappedDate */ - Core.prototype.getWindow = function() { - var range = this.range.getRange(); - return { - start: new Date(range.start), - end: new Date(range.end) - }; + DataAxis.prototype.snap = function(date) { + return this.step.snap(date); }; - /** - * Force a redraw of the Core. Can be useful to manually redraw when - * option autoResize=false - */ - Core.prototype.redraw = function() { - var resized = false; - var options = this.options; - var props = this.props; - var dom = this.dom; + module.exports = DataAxis; - if (!dom) return; // when destroyed - DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); +/***/ }, +/* 45 */ +/***/ function(module, exports, __webpack_require__) { - // update class names - if (options.orientation == 'top') { - util.addClassName(dom.root, 'top'); - util.removeClassName(dom.root, 'bottom'); - } - else { - util.removeClassName(dom.root, 'top'); - util.addClassName(dom.root, 'bottom'); - } + /** + * @constructor DataStep + * The class DataStep is an iterator for data for the lineGraph. You provide a start data point and an + * end data point. The class itself determines the best scale (step size) based on the + * provided start Date, end Date, and minimumStep. + * + * If minimumStep is provided, the step size is chosen as close as possible + * to the minimumStep but larger than minimumStep. If minimumStep is not + * provided, the scale is set to 1 DAY. + * The minimumStep should correspond with the onscreen size of about 6 characters + * + * Alternatively, you can set a scale by hand. + * After creation, you can initialize the class by executing first(). Then you + * can iterate from the start date to the end date via next(). You can check if + * the end date is reached with the function hasNext(). After each step, you can + * retrieve the current date via getCurrent(). + * The DataStep has scales ranging from milliseconds, seconds, minutes, hours, + * days, to years. + * + * Version: 1.2 + * + * @param {Date} [start] The start date, for example new Date(2010, 9, 21) + * or new Date(2010, 9, 21, 23, 45, 00) + * @param {Date} [end] The end date + * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds + */ + function DataStep(start, end, minimumStep, containerHeight, customRange, alignZeros) { + // variables + this.current = 0; - // update root width and height options - dom.root.style.maxHeight = util.option.asSize(options.maxHeight, ''); - dom.root.style.minHeight = util.option.asSize(options.minHeight, ''); - dom.root.style.width = util.option.asSize(options.width, ''); + this.autoScale = true; + this.stepIndex = 0; + this.step = 1; + this.scale = 1; - // calculate border widths - props.border.left = (dom.centerContainer.offsetWidth - dom.centerContainer.clientWidth) / 2; - props.border.right = props.border.left; - props.border.top = (dom.centerContainer.offsetHeight - dom.centerContainer.clientHeight) / 2; - props.border.bottom = props.border.top; - var borderRootHeight= dom.root.offsetHeight - dom.root.clientHeight; - var borderRootWidth = dom.root.offsetWidth - dom.root.clientWidth; + this.marginStart; + this.marginEnd; + this.deadSpace = 0; - // workaround for a bug in IE: the clientWidth of an element with - // a height:0px and overflow:hidden is not calculated and always has value 0 - if (dom.centerContainer.clientHeight === 0) { - props.border.left = props.border.top; - props.border.right = props.border.left; - } - if (dom.root.clientHeight === 0) { - borderRootWidth = borderRootHeight; - } + this.majorSteps = [1, 2, 5, 10]; + this.minorSteps = [0.25, 0.5, 1, 2]; - // calculate the heights. If any of the side panels is empty, we set the height to - // minus the border width, such that the border will be invisible - props.center.height = dom.center.offsetHeight; - props.left.height = dom.left.offsetHeight; - props.right.height = dom.right.offsetHeight; - props.top.height = dom.top.clientHeight || -props.border.top; - props.bottom.height = dom.bottom.clientHeight || -props.border.bottom; + this.alignZeros = alignZeros; - // TODO: compensate borders when any of the panels is empty. + this.setRange(start, end, minimumStep, containerHeight, customRange); + } - // apply auto height - // TODO: only calculate autoHeight when needed (else we cause an extra reflow/repaint of the DOM) - var contentHeight = Math.max(props.left.height, props.center.height, props.right.height); - var autoHeight = props.top.height + contentHeight + props.bottom.height + - borderRootHeight + props.border.top + props.border.bottom; - dom.root.style.height = util.option.asSize(options.height, autoHeight + 'px'); - // calculate heights of the content panels - props.root.height = dom.root.offsetHeight; - props.background.height = props.root.height - borderRootHeight; - var containerHeight = props.root.height - props.top.height - props.bottom.height - - borderRootHeight; - props.centerContainer.height = containerHeight; - props.leftContainer.height = containerHeight; - props.rightContainer.height = props.leftContainer.height; - // calculate the widths of the panels - props.root.width = dom.root.offsetWidth; - props.background.width = props.root.width - borderRootWidth; - props.left.width = dom.leftContainer.clientWidth || -props.border.left; - props.leftContainer.width = props.left.width; - props.right.width = dom.rightContainer.clientWidth || -props.border.right; - props.rightContainer.width = props.right.width; - var centerWidth = props.root.width - props.left.width - props.right.width - borderRootWidth; - props.center.width = centerWidth; - props.centerContainer.width = centerWidth; - props.top.width = centerWidth; - props.bottom.width = centerWidth; + /** + * Set a new range + * If minimumStep is provided, the step size is chosen as close as possible + * to the minimumStep but larger than minimumStep. If minimumStep is not + * provided, the scale is set to 1 DAY. + * The minimumStep should correspond with the onscreen size of about 6 characters + * @param {Number} [start] The start date and time. + * @param {Number} [end] The end date and time. + * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds + */ + DataStep.prototype.setRange = function(start, end, minimumStep, containerHeight, customRange) { + this._start = customRange.min === undefined ? start : customRange.min; + this._end = customRange.max === undefined ? end : customRange.max; - // resize the panels - dom.background.style.height = props.background.height + 'px'; - dom.backgroundVertical.style.height = props.background.height + 'px'; - dom.backgroundHorizontal.style.height = props.centerContainer.height + 'px'; - dom.centerContainer.style.height = props.centerContainer.height + 'px'; - dom.leftContainer.style.height = props.leftContainer.height + 'px'; - dom.rightContainer.style.height = props.rightContainer.height + 'px'; + if (this._start == this._end) { + this._start -= 0.75; + this._end += 1; + } - dom.background.style.width = props.background.width + 'px'; - dom.backgroundVertical.style.width = props.centerContainer.width + 'px'; - dom.backgroundHorizontal.style.width = props.background.width + 'px'; - dom.centerContainer.style.width = props.center.width + 'px'; - dom.top.style.width = props.top.width + 'px'; - dom.bottom.style.width = props.bottom.width + 'px'; + if (this.autoScale == true) { + this.setMinimumStep(minimumStep, containerHeight); + } - // reposition the panels - dom.background.style.left = '0'; - dom.background.style.top = '0'; - dom.backgroundVertical.style.left = (props.left.width + props.border.left) + 'px'; - dom.backgroundVertical.style.top = '0'; - dom.backgroundHorizontal.style.left = '0'; - dom.backgroundHorizontal.style.top = props.top.height + 'px'; - dom.centerContainer.style.left = props.left.width + 'px'; - dom.centerContainer.style.top = props.top.height + 'px'; - dom.leftContainer.style.left = '0'; - dom.leftContainer.style.top = props.top.height + 'px'; - dom.rightContainer.style.left = (props.left.width + props.center.width) + 'px'; - dom.rightContainer.style.top = props.top.height + 'px'; - dom.top.style.left = props.left.width + 'px'; - dom.top.style.top = '0'; - dom.bottom.style.left = props.left.width + 'px'; - dom.bottom.style.top = (props.top.height + props.centerContainer.height) + 'px'; + this.setFirst(customRange); + }; - // update the scrollTop, feasible range for the offset can be changed - // when the height of the Core or of the contents of the center changed - this._updateScrollTop(); + /** + * Automatically determine the scale that bests fits the provided minimum step + * @param {Number} [minimumStep] The minimum step size in milliseconds + */ + DataStep.prototype.setMinimumStep = function(minimumStep, containerHeight) { + // round to floor + var size = this._end - this._start; + var safeSize = size * 1.2; + var minimumStepValue = minimumStep * (safeSize / containerHeight); + var orderOfMagnitude = Math.round(Math.log(safeSize)/Math.LN10); - // reposition the scrollable contents - var offset = this.props.scrollTop; - if (options.orientation == 'bottom') { - offset += Math.max(this.props.centerContainer.height - this.props.center.height - - this.props.border.top - this.props.border.bottom, 0); - } - dom.center.style.left = '0'; - dom.center.style.top = offset + 'px'; - dom.left.style.left = '0'; - dom.left.style.top = offset + 'px'; - dom.right.style.left = '0'; - dom.right.style.top = offset + 'px'; + var minorStepIdx = -1; + var magnitudefactor = Math.pow(10,orderOfMagnitude); - // show shadows when vertical scrolling is available - var visibilityTop = this.props.scrollTop == 0 ? 'hidden' : ''; - var visibilityBottom = this.props.scrollTop == this.props.scrollTopMin ? 'hidden' : ''; - dom.shadowTop.style.visibility = visibilityTop; - dom.shadowBottom.style.visibility = visibilityBottom; - dom.shadowTopLeft.style.visibility = visibilityTop; - dom.shadowBottomLeft.style.visibility = visibilityBottom; - dom.shadowTopRight.style.visibility = visibilityTop; - dom.shadowBottomRight.style.visibility = visibilityBottom; + var start = 0; + if (orderOfMagnitude < 0) { + start = orderOfMagnitude; + } - // redraw all components - this.components.forEach(function (component) { - resized = component.redraw() || resized; - }); - if (resized) { - // keep repainting until all sizes are settled - var MAX_REDRAWS = 3; // maximum number of consecutive redraws - if (this.redrawCount < MAX_REDRAWS) { - this.redrawCount++; - this.redraw(); + var solutionFound = false; + for (var i = start; Math.abs(i) <= Math.abs(orderOfMagnitude); i++) { + magnitudefactor = Math.pow(10,i); + for (var j = 0; j < this.minorSteps.length; j++) { + var stepSize = magnitudefactor * this.minorSteps[j]; + if (stepSize >= minimumStepValue) { + solutionFound = true; + minorStepIdx = j; + break; + } } - else { - console.log('WARNING: infinite loop in redraw?'); + if (solutionFound == true) { + break; } - this.redrawCount = 0; } - - this.emit("finishedRedraw"); + this.stepIndex = minorStepIdx; + this.scale = magnitudefactor; + this.step = magnitudefactor * this.minorSteps[minorStepIdx]; }; - // TODO: deprecated since version 1.1.0, remove some day - Core.prototype.repaint = function () { - throw new Error('Function repaint is deprecated. Use redraw instead.'); - }; + /** - * Set a current time. This can be used for example to ensure that a client's - * time is synchronized with a shared server time. - * Only applicable when option `showCurrentTime` is true. - * @param {Date | String | Number} time A Date, unix timestamp, or - * ISO date string. + * Round the current date to the first minor date value + * This must be executed once when the current date is set to start Date */ - Core.prototype.setCurrentTime = function(time) { - if (!this.currentTime) { - throw new Error('Option showCurrentTime must be true'); + DataStep.prototype.setFirst = function(customRange) { + if (customRange === undefined) { + customRange = {}; + } + + var niceStart = customRange.min === undefined ? this._start - (this.scale * 2 * this.minorSteps[this.stepIndex]) : customRange.min; + var niceEnd = customRange.max === undefined ? this._end + (this.scale * this.minorSteps[this.stepIndex]) : customRange.max; + + this.marginEnd = customRange.max === undefined ? this.roundToMinor(niceEnd) : customRange.max; + this.marginStart = customRange.min === undefined ? this.roundToMinor(niceStart) : customRange.min; + + // if we need to align the zero's we need to make sure that there is a zero to use. + if (this.alignZeros == true && (this.marginEnd - this.marginStart) % this.step != 0) { + this.marginEnd += this.marginEnd % this.step; } - this.currentTime.setCurrentTime(time); + this.deadSpace = this.roundToMinor(niceEnd) - niceEnd + this.roundToMinor(niceStart) - niceStart; + this.marginRange = this.marginEnd - this.marginStart; + + + this.current = this.marginEnd; }; - /** - * Get the current time. - * Only applicable when option `showCurrentTime` is true. - * @return {Date} Returns the current time. - */ - Core.prototype.getCurrentTime = function() { - if (!this.currentTime) { - throw new Error('Option showCurrentTime must be true'); + DataStep.prototype.roundToMinor = function(value) { + var rounded = value - (value % (this.scale * this.minorSteps[this.stepIndex])); + if (value % (this.scale * this.minorSteps[this.stepIndex]) > 0.5 * (this.scale * this.minorSteps[this.stepIndex])) { + return rounded + (this.scale * this.minorSteps[this.stepIndex]); } + else { + return rounded; + } + } - return this.currentTime.getCurrentTime(); - }; /** - * Convert a position on screen (pixels) to a datetime - * @param {int} x Position on the screen in pixels - * @return {Date} time The datetime the corresponds with given position x - * @private + * Check if the there is a next step + * @return {boolean} true if the current date has not passed the end date */ - // TODO: move this function to Range - Core.prototype._toTime = function(x) { - return DateUtil.toTime(this, x, this.props.center.width); + DataStep.prototype.hasNext = function () { + return (this.current >= this.marginStart); }; /** - * Convert a position on the global screen (pixels) to a datetime - * @param {int} x Position on the screen in pixels - * @return {Date} time The datetime the corresponds with given position x - * @private + * Do the next step */ - // TODO: move this function to Range - Core.prototype._toGlobalTime = function(x) { - return DateUtil.toTime(this, x, this.props.root.width); - //var conversion = this.range.conversion(this.props.root.width); - //return new Date(x / conversion.scale + conversion.offset); + DataStep.prototype.next = function() { + var prev = this.current; + this.current -= this.step; + + // safety mechanism: if current time is still unchanged, move to the end + if (this.current == prev) { + this.current = this._end; + } }; /** - * Convert a datetime (Date object) into a position on the screen - * @param {Date} time A date - * @return {int} x The position on the screen in pixels which corresponds - * with the given date. - * @private + * Do the next step */ - // TODO: move this function to Range - Core.prototype._toScreen = function(time) { - return DateUtil.toScreen(this, time, this.props.center.width); + DataStep.prototype.previous = function() { + this.current += this.step; + this.marginEnd += this.step; + this.marginRange = this.marginEnd - this.marginStart; }; /** - * Convert a datetime (Date object) into a position on the root - * This is used to get the pixel density estimate for the screen, not the center panel - * @param {Date} time A date - * @return {int} x The position on root in pixels which corresponds - * with the given date. - * @private + * Get the current datetime + * @return {String} current The current date */ - // TODO: move this function to Range - Core.prototype._toGlobalScreen = function(time) { - return DateUtil.toScreen(this, time, this.props.root.width); - //var conversion = this.range.conversion(this.props.root.width); - //return (time.valueOf() - conversion.offset) * conversion.scale; - }; - + DataStep.prototype.getCurrent = function(decimals) { + // prevent round-off errors when close to zero + var current = (Math.abs(this.current) < this.step / 2) ? 0 : this.current; + var toPrecision = '' + Number(current).toPrecision(5); - /** - * Initialize watching when option autoResize is true - * @private - */ - Core.prototype._initAutoResize = function () { - if (this.options.autoResize == true) { - this._startAutoResize(); + // If decimals is specified, then limit or extend the string as required + if(decimals !== undefined && !isNaN(Number(decimals))) { + // If string includes exponent, then we need to add it to the end + var exp = ""; + var index = toPrecision.indexOf("e"); + if(index != -1) { + // Get the exponent + exp = toPrecision.slice(index); + // Remove the exponent in case we need to zero-extend + toPrecision = toPrecision.slice(0, index); + } + index = Math.max(toPrecision.indexOf(","), toPrecision.indexOf(".")); + if(index === -1) { + // No decimal found - if we want decimals, then we need to add it + if(decimals !== 0) { + toPrecision += '.'; + } + // Calculate how long the string should be + index = toPrecision.length + decimals; + } + else if(decimals !== 0) { + // Calculate how long the string should be - accounting for the decimal place + index += decimals + 1; + } + if(index > toPrecision.length) { + // We need to add zeros! + for(var cnt = index - toPrecision.length; cnt > 0; cnt--) { + toPrecision += '0'; + } + } + else { + // we need to remove characters + toPrecision = toPrecision.slice(0, index); + } + // Add the exponent if there is one + toPrecision += exp; } else { - this._stopAutoResize(); + if (toPrecision.indexOf(",") != -1 || toPrecision.indexOf(".") != -1) { + // If no decimal is specified, and there are decimal places, remove trailing zeros + for (var i = toPrecision.length - 1; i > 0; i--) { + if (toPrecision[i] == "0") { + toPrecision = toPrecision.slice(0, i); + } + else if (toPrecision[i] == "." || toPrecision[i] == ",") { + toPrecision = toPrecision.slice(0, i); + break; + } + else { + break; + } + } + } } + + return toPrecision; }; + + /** - * Watch for changes in the size of the container. On resize, the Panel will - * automatically redraw itself. - * @private + * Snap a date to a rounded value. + * The snap intervals are dependent on the current scale and step. + * @param {Date} date the date to be snapped. + * @return {Date} snappedDate */ - Core.prototype._startAutoResize = function () { - var me = this; + DataStep.prototype.snap = function(date) { - this._stopAutoResize(); + }; - this._onResize = function() { - if (me.options.autoResize != true) { - // stop watching when the option autoResize is changed to false - me._stopAutoResize(); - return; - } + /** + * Check if the current value is a major value (for example when the step + * is DAY, a major value is each first day of the MONTH) + * @return {boolean} true if current date is major, else false. + */ + DataStep.prototype.isMajor = function() { + return (this.current % (this.scale * this.majorSteps[this.stepIndex]) == 0); + }; - if (me.dom.root) { - // check whether the frame is resized - // Note: we compare offsetWidth here, not clientWidth. For some reason, - // IE does not restore the clientWidth from 0 to the actual width after - // changing the timeline's container display style from none to visible - if ((me.dom.root.offsetWidth != me.props.lastWidth) || - (me.dom.root.offsetHeight != me.props.lastHeight)) { - me.props.lastWidth = me.dom.root.offsetWidth; - me.props.lastHeight = me.dom.root.offsetHeight; + module.exports = DataStep; - me.emit('change'); - } - } - }; - // add event listener to window resize - util.addEventListener(window, 'resize', this._onResize); +/***/ }, +/* 46 */ +/***/ function(module, exports, __webpack_require__) { - this.watchTimer = setInterval(this._onResize, 1000); - }; + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); + var Line = __webpack_require__(47); + var Bar = __webpack_require__(49); + var Points = __webpack_require__(48); /** - * Stop watching for a resize of the frame. - * @private + * /** + * @param {object} group | the object of the group from the dataset + * @param {string} groupId | ID of the group + * @param {object} options | the default options + * @param {array} groupsUsingDefaultStyles | this array has one entree. + * It is passed as an array so it is passed by reference. + * It enumerates through the default styles + * @constructor */ - Core.prototype._stopAutoResize = function () { - if (this.watchTimer) { - clearInterval(this.watchTimer); - this.watchTimer = undefined; + function GraphGroup (group, groupId, options, groupsUsingDefaultStyles) { + this.id = groupId; + var fields = ['sampling','style','sort','yAxisOrientation','barChart','drawPoints','shaded','catmullRom'] + this.options = util.selectiveBridgeObject(fields,options); + this.usingDefaultStyle = group.className === undefined; + this.groupsUsingDefaultStyles = groupsUsingDefaultStyles; + this.zeroPosition = 0; + this.update(group); + if (this.usingDefaultStyle == true) { + this.groupsUsingDefaultStyles[0] += 1; } + this.itemsData = []; + this.visible = group.visible === undefined ? true : group.visible; + } - // remove event listener on window.resize - util.removeEventListener(window, 'resize', this._onResize); - this._onResize = null; - }; /** - * Start moving the timeline vertically - * @param {Event} event - * @private + * this loads a reference to all items in this group into this group. + * @param {array} items */ - Core.prototype._onTouch = function (event) { - this.touch.allowDragging = true; + GraphGroup.prototype.setItems = function(items) { + if (items != null) { + this.itemsData = items; + if (this.options.sort == true) { + this.itemsData.sort(function (a,b) {return a.x - b.x;}) + } + } + else { + this.itemsData = []; + } }; - /** - * Start moving the timeline vertically - * @param {Event} event - * @private - */ - Core.prototype._onPinch = function (event) { - this.touch.allowDragging = false; - }; /** - * Start moving the timeline vertically - * @param {Event} event - * @private + * this is used for plotting barcharts, this way, we only have to calculate it once. + * @param pos */ - Core.prototype._onDragStart = function (event) { - this.touch.initialScrollTop = this.props.scrollTop; + GraphGroup.prototype.setZeroPosition = function(pos) { + this.zeroPosition = pos; }; + /** - * Move the timeline vertically - * @param {Event} event - * @private + * set the options of the graph group over the default options. + * @param options */ - Core.prototype._onDrag = function (event) { - // refuse to drag when we where pinching to prevent the timeline make a jump - // when releasing the fingers in opposite order from the touch screen - if (!this.touch.allowDragging) return; - - var delta = event.gesture.deltaY; + GraphGroup.prototype.setOptions = function(options) { + if (options !== undefined) { + var fields = ['sampling','style','sort','yAxisOrientation','barChart']; + util.selectiveDeepExtend(fields, this.options, options); - var oldScrollTop = this._getScrollTop(); - var newScrollTop = this._setScrollTop(this.touch.initialScrollTop + delta); + util.mergeOptions(this.options, options,'catmullRom'); + util.mergeOptions(this.options, options,'drawPoints'); + util.mergeOptions(this.options, options,'shaded'); + if (options.catmullRom) { + if (typeof options.catmullRom == 'object') { + if (options.catmullRom.parametrization) { + if (options.catmullRom.parametrization == 'uniform') { + this.options.catmullRom.alpha = 0; + } + else if (options.catmullRom.parametrization == 'chordal') { + this.options.catmullRom.alpha = 1.0; + } + else { + this.options.catmullRom.parametrization = 'centripetal'; + this.options.catmullRom.alpha = 0.5; + } + } + } + } + } - if (newScrollTop != oldScrollTop) { - this.redraw(); // TODO: this causes two redraws when dragging, the other is triggered by rangechange already - this.emit("verticalDrag"); + if (this.options.style == 'line') { + this.type = new Line(this.id, this.options); + } + else if (this.options.style == 'bar') { + this.type = new Bar(this.id, this.options); + } + else if (this.options.style == 'points') { + this.type = new Points(this.id, this.options); } }; - /** - * Apply a scrollTop - * @param {Number} scrollTop - * @returns {Number} scrollTop Returns the applied scrollTop - * @private - */ - Core.prototype._setScrollTop = function (scrollTop) { - this.props.scrollTop = scrollTop; - this._updateScrollTop(); - return this.props.scrollTop; - }; /** - * Update the current scrollTop when the height of the containers has been changed - * @returns {Number} scrollTop Returns the applied scrollTop - * @private + * this updates the current group class with the latest group dataset entree, used in _updateGroup in linegraph + * @param group */ - Core.prototype._updateScrollTop = function () { - // recalculate the scrollTopMin - var scrollTopMin = Math.min(this.props.centerContainer.height - this.props.center.height, 0); // is negative or zero - if (scrollTopMin != this.props.scrollTopMin) { - // in case of bottom orientation, change the scrollTop such that the contents - // do not move relative to the time axis at the bottom - if (this.options.orientation == 'bottom') { - this.props.scrollTop += (scrollTopMin - this.props.scrollTopMin); - } - this.props.scrollTopMin = scrollTopMin; - } - - // limit the scrollTop to the feasible scroll range - if (this.props.scrollTop > 0) this.props.scrollTop = 0; - if (this.props.scrollTop < scrollTopMin) this.props.scrollTop = scrollTopMin; - - return this.props.scrollTop; + GraphGroup.prototype.update = function(group) { + this.group = group; + this.content = group.content || 'graph'; + this.className = group.className || this.className || "graphGroup" + this.groupsUsingDefaultStyles[0] % 10; + this.visible = group.visible === undefined ? true : group.visible; + this.style = group.style; + this.setOptions(group.options); }; + /** - * Get the current scrollTop - * @returns {number} scrollTop - * @private + * draw the icon for the legend. + * + * @param x + * @param y + * @param JSONcontainer + * @param SVGcontainer + * @param iconWidth + * @param iconHeight */ - Core.prototype._getScrollTop = function () { - return this.props.scrollTop; - }; - - module.exports = Core; + GraphGroup.prototype.drawIcon = function(x, y, JSONcontainer, SVGcontainer, iconWidth, iconHeight) { + var fillHeight = iconHeight * 0.5; + var path, fillPath; + var outline = DOMutil.getSVGElement("rect", JSONcontainer, SVGcontainer); + outline.setAttributeNS(null, "x", x); + outline.setAttributeNS(null, "y", y - fillHeight); + outline.setAttributeNS(null, "width", iconWidth); + outline.setAttributeNS(null, "height", 2*fillHeight); + outline.setAttributeNS(null, "class", "outline"); -/***/ }, -/* 47 */ -/***/ function(module, exports, __webpack_require__) { + if (this.options.style == 'line') { + path = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer); + path.setAttributeNS(null, "class", this.className); + if(this.style !== undefined) { + path.setAttributeNS(null, "style", this.style); + } - // English - exports['en'] = { - current: 'current', - time: 'time' - }; - exports['en_EN'] = exports['en']; - exports['en_US'] = exports['en']; + path.setAttributeNS(null, "d", "M" + x + ","+y+" L" + (x + iconWidth) + ","+y+""); + if (this.options.shaded.enabled == true) { + fillPath = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer); + if (this.options.shaded.orientation == 'top') { + fillPath.setAttributeNS(null, "d", "M"+x+", " + (y - fillHeight) + + "L"+x+","+y+" L"+ (x + iconWidth) + ","+y+" L"+ (x + iconWidth) + "," + (y - fillHeight)); + } + else { + fillPath.setAttributeNS(null, "d", "M"+x+","+y+" " + + "L"+x+"," + (y + fillHeight) + " " + + "L"+ (x + iconWidth) + "," + (y + fillHeight) + + "L"+ (x + iconWidth) + ","+y); + } + fillPath.setAttributeNS(null, "class", this.className + " iconFill"); + } - // Dutch - exports['nl'] = { - custom: 'aangepaste', - time: 'tijd' - }; - exports['nl_NL'] = exports['nl']; - exports['nl_BE'] = exports['nl']; + if (this.options.drawPoints.enabled == true) { + DOMutil.drawPoint(x + 0.5 * iconWidth,y, this, JSONcontainer, SVGcontainer); + } + } + else { + var barWidth = Math.round(0.3 * iconWidth); + var bar1Height = Math.round(0.4 * iconHeight); + var bar2Height = Math.round(0.75 * iconHeight); + var offset = Math.round((iconWidth - (2 * barWidth))/3); -/***/ }, -/* 48 */ -/***/ function(module, exports, __webpack_require__) { + DOMutil.drawBar(x + 0.5*barWidth + offset , y + fillHeight - bar1Height - 1, barWidth, bar1Height, this.className + ' bar', JSONcontainer, SVGcontainer); + DOMutil.drawBar(x + 1.5*barWidth + offset + 2, y + fillHeight - bar2Height - 1, barWidth, bar2Height, this.className + ' bar', JSONcontainer, SVGcontainer); + } + }; - var Hammer = __webpack_require__(45); /** - * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent - * @param {Element} element - * @param {Event} event + * return the legend entree for this group. + * + * @param iconWidth + * @param iconHeight + * @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}} */ - exports.fakeGesture = function(element, event) { - var eventType = null; + GraphGroup.prototype.getLegend = function(iconWidth, iconHeight) { + var svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); + this.drawIcon(0,0.5*iconHeight,[],svg,iconWidth,iconHeight); + return {icon: svg, label: this.content, orientation:this.options.yAxisOrientation}; + } - // for hammer.js 1.0.5 - // var gesture = Hammer.event.collectEventData(this, eventType, event); + GraphGroup.prototype.getYRange = function(groupData) { + return this.type.getYRange(groupData); + } - // for hammer.js 1.0.6+ - var touches = Hammer.event.getTouchList(event, eventType); - var gesture = Hammer.event.collectEventData(this, eventType, touches, event); + GraphGroup.prototype.draw = function(dataset, group, framework) { + this.type.draw(dataset, group, framework); + } - // on IE in standards mode, no touches are recognized by hammer.js, - // resulting in NaN values for center.pageX and center.pageY - if (isNaN(gesture.center.pageX)) { - gesture.center.pageX = event.pageX; - } - if (isNaN(gesture.center.pageY)) { - gesture.center.pageY = event.pageY; - } - return gesture; - }; + module.exports = GraphGroup; /***/ }, -/* 49 */ +/* 47 */ /***/ function(module, exports, __webpack_require__) { /** * Created by Alex on 11/11/2014. */ - var DOMutil = __webpack_require__(2); - var Points = __webpack_require__(51); + var DOMutil = __webpack_require__(6); + var Points = __webpack_require__(48); function Line(groupId, options) { this.groupId = groupId; @@ -23030,42 +22167,90 @@ return /******/ (function(modules) { // webpackBootstrap p2.y + ' '; } - return d; + return d; + } + }; + + /** + * this generates the SVG path for a linear drawing between datapoints. + * @param data + * @returns {string} + * @private + */ + Line._linear = function(data) { + // linear + var d = ''; + for (var i = 0; i < data.length; i++) { + if (i == 0) { + d += data[i].x + ',' + data[i].y; + } + else { + d += ' ' + data[i].x + ',' + data[i].y; + } + } + return d; + }; + + module.exports = Line; + + +/***/ }, +/* 48 */ +/***/ function(module, exports, __webpack_require__) { + + /** + * Created by Alex on 11/11/2014. + */ + var DOMutil = __webpack_require__(6); + + function Points(groupId, options) { + this.groupId = groupId; + this.options = options; + } + + + Points.prototype.getYRange = function(groupData) { + var yMin = groupData[0].y; + var yMax = groupData[0].y; + for (var j = 0; j < groupData.length; j++) { + yMin = yMin > groupData[j].y ? groupData[j].y : yMin; + yMax = yMax < groupData[j].y ? groupData[j].y : yMax; } + return {min: yMin, max: yMax, yAxisOrientation: this.options.yAxisOrientation}; }; + Points.prototype.draw = function(dataset, group, framework, offset) { + Points.draw(dataset, group, framework, offset); + } + /** - * this generates the SVG path for a linear drawing between datapoints. - * @param data - * @returns {string} - * @private + * draw the data points + * + * @param {Array} dataset + * @param {Object} JSONcontainer + * @param {Object} svg | SVG DOM element + * @param {GraphGroup} group + * @param {Number} [offset] */ - Line._linear = function(data) { - // linear - var d = ''; - for (var i = 0; i < data.length; i++) { - if (i == 0) { - d += data[i].x + ',' + data[i].y; - } - else { - d += ' ' + data[i].x + ',' + data[i].y; - } + Points.draw = function (dataset, group, framework, offset) { + if (offset === undefined) {offset = 0;} + for (var i = 0; i < dataset.length; i++) { + DOMutil.drawPoint(dataset[i].x + offset, dataset[i].y, group, framework.svgElements, framework.svg); } - return d; }; - module.exports = Line; + module.exports = Points; /***/ }, -/* 50 */ +/* 49 */ /***/ function(module, exports, __webpack_require__) { /** * Created by Alex on 11/11/2014. */ - var DOMutil = __webpack_require__(2); - var Points = __webpack_require__(51); + var DOMutil = __webpack_require__(6); + var Points = __webpack_require__(48); function Bargraph(groupId, options) { this.groupId = groupId; @@ -23292,10777 +22477,11503 @@ return /******/ (function(modules) { // webpackBootstrap module.exports = Bargraph; /***/ }, -/* 51 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * Created by Alex on 11/11/2014. - */ - var DOMutil = __webpack_require__(2); - - function Points(groupId, options) { - this.groupId = groupId; - this.options = options; - } - - - Points.prototype.getYRange = function(groupData) { - var yMin = groupData[0].y; - var yMax = groupData[0].y; - for (var j = 0; j < groupData.length; j++) { - yMin = yMin > groupData[j].y ? groupData[j].y : yMin; - yMax = yMax < groupData[j].y ? groupData[j].y : yMax; - } - return {min: yMin, max: yMax, yAxisOrientation: this.options.yAxisOrientation}; - }; - - Points.prototype.draw = function(dataset, group, framework, offset) { - Points.draw(dataset, group, framework, offset); - } - - /** - * draw the data points - * - * @param {Array} dataset - * @param {Object} JSONcontainer - * @param {Object} svg | SVG DOM element - * @param {GraphGroup} group - * @param {Number} [offset] - */ - Points.draw = function (dataset, group, framework, offset) { - if (offset === undefined) {offset = 0;} - for (var i = 0; i < dataset.length; i++) { - DOMutil.drawPoint(dataset[i].x + offset, dataset[i].y, group, framework.svgElements, framework.svg); - } - }; - - - module.exports = Points; - -/***/ }, -/* 52 */ +/* 50 */ /***/ function(module, exports, __webpack_require__) { - // English - exports['en'] = { - edit: 'Edit', - del: 'Delete selected', - back: 'Back', - addNode: 'Add Node', - addEdge: 'Add Edge', - editNode: 'Edit Node', - editEdge: 'Edit Edge', - addDescription: 'Click in an empty space to place a new node.', - edgeDescription: 'Click on a node and drag the edge to another node to connect them.', - editEdgeDescription: 'Click on the control points and drag them to a node to connect to it.', - createEdgeError: 'Cannot link edges to a cluster.', - deleteClusterError: 'Clusters cannot be deleted.' - }; - exports['en_EN'] = exports['en']; - exports['en_US'] = exports['en']; - - // Dutch - exports['nl'] = { - edit: 'Wijzigen', - del: 'Selectie verwijderen', - back: 'Terug', - addNode: 'Node toevoegen', - addEdge: 'Link toevoegen', - editNode: 'Node wijzigen', - editEdge: 'Link wijzigen', - addDescription: 'Klik op een leeg gebied om een nieuwe node te maken.', - edgeDescription: 'Klik op een node en sleep de link naar een andere node om ze te verbinden.', - editEdgeDescription: 'Klik op de verbindingspunten en sleep ze naar een node om daarmee te verbinden.', - createEdgeError: 'Kan geen link maken naar een cluster.', - deleteClusterError: 'Clusters kunnen niet worden verwijderd.' - }; - exports['nl_NL'] = exports['nl']; - exports['nl_BE'] = exports['nl']; - - -/***/ }, -/* 53 */ -/***/ function(module, exports, __webpack_require__) { + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); + var Component = __webpack_require__(23); /** - * Canvas shapes used by Network + * Legend for Graph2d */ - if (typeof CanvasRenderingContext2D !== 'undefined') { - - /** - * Draw a circle shape - */ - CanvasRenderingContext2D.prototype.circle = function(x, y, r) { - this.beginPath(); - this.arc(x, y, r, 0, 2*Math.PI, false); - }; - - /** - * Draw a square shape - * @param {Number} x horizontal center - * @param {Number} y vertical center - * @param {Number} r size, width and height of the square - */ - CanvasRenderingContext2D.prototype.square = function(x, y, r) { - this.beginPath(); - this.rect(x - r, y - r, r * 2, r * 2); - }; - - /** - * Draw a triangle shape - * @param {Number} x horizontal center - * @param {Number} y vertical center - * @param {Number} r radius, half the length of the sides of the triangle - */ - CanvasRenderingContext2D.prototype.triangle = function(x, y, r) { - // http://en.wikipedia.org/wiki/Equilateral_triangle - this.beginPath(); - - var s = r * 2; - var s2 = s / 2; - var ir = Math.sqrt(3) / 6 * s; // radius of inner circle - var h = Math.sqrt(s * s - s2 * s2); // height - - this.moveTo(x, y - (h - ir)); - this.lineTo(x + s2, y + ir); - this.lineTo(x - s2, y + ir); - this.lineTo(x, y - (h - ir)); - this.closePath(); - }; - - /** - * Draw a triangle shape in downward orientation - * @param {Number} x horizontal center - * @param {Number} y vertical center - * @param {Number} r radius - */ - CanvasRenderingContext2D.prototype.triangleDown = function(x, y, r) { - // http://en.wikipedia.org/wiki/Equilateral_triangle - this.beginPath(); - - var s = r * 2; - var s2 = s / 2; - var ir = Math.sqrt(3) / 6 * s; // radius of inner circle - var h = Math.sqrt(s * s - s2 * s2); // height - - this.moveTo(x, y + (h - ir)); - this.lineTo(x + s2, y - ir); - this.lineTo(x - s2, y - ir); - this.lineTo(x, y + (h - ir)); - this.closePath(); - }; - - /** - * Draw a star shape, a star with 5 points - * @param {Number} x horizontal center - * @param {Number} y vertical center - * @param {Number} r radius, half the length of the sides of the triangle - */ - CanvasRenderingContext2D.prototype.star = function(x, y, r) { - // http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/ - this.beginPath(); - - for (var n = 0; n < 10; n++) { - var radius = (n % 2 === 0) ? r * 1.3 : r * 0.5; - this.lineTo( - x + radius * Math.sin(n * 2 * Math.PI / 10), - y - radius * Math.cos(n * 2 * Math.PI / 10) - ); + function Legend(body, options, side, linegraphOptions) { + this.body = body; + this.defaultOptions = { + enabled: true, + icons: true, + iconSize: 20, + iconSpacing: 6, + left: { + visible: true, + position: 'top-left' // top/bottom - left,center,right + }, + right: { + visible: true, + position: 'top-left' // top/bottom - left,center,right } + } + this.side = side; + this.options = util.extend({},this.defaultOptions); + this.linegraphOptions = linegraphOptions; - this.closePath(); - }; - - /** - * http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas - */ - CanvasRenderingContext2D.prototype.roundRect = function(x, y, w, h, r) { - var r2d = Math.PI/180; - if( w - ( 2 * r ) < 0 ) { r = ( w / 2 ); } //ensure that the radius isn't too large for x - if( h - ( 2 * r ) < 0 ) { r = ( h / 2 ); } //ensure that the radius isn't too large for y - this.beginPath(); - this.moveTo(x+r,y); - this.lineTo(x+w-r,y); - this.arc(x+w-r,y+r,r,r2d*270,r2d*360,false); - this.lineTo(x+w,y+h-r); - this.arc(x+w-r,y+h-r,r,0,r2d*90,false); - this.lineTo(x+r,y+h); - this.arc(x+r,y+h-r,r,r2d*90,r2d*180,false); - this.lineTo(x,y+r); - this.arc(x+r,y+r,r,r2d*180,r2d*270,false); - }; - - /** - * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas - */ - CanvasRenderingContext2D.prototype.ellipse = function(x, y, w, h) { - var kappa = .5522848, - ox = (w / 2) * kappa, // control point offset horizontal - oy = (h / 2) * kappa, // control point offset vertical - xe = x + w, // x-end - ye = y + h, // y-end - xm = x + w / 2, // x-middle - ym = y + h / 2; // y-middle - - this.beginPath(); - this.moveTo(x, ym); - this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); - this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); - this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); - this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); - }; - - - - /** - * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas - */ - CanvasRenderingContext2D.prototype.database = function(x, y, w, h) { - var f = 1/3; - var wEllipse = w; - var hEllipse = h * f; - - var kappa = .5522848, - ox = (wEllipse / 2) * kappa, // control point offset horizontal - oy = (hEllipse / 2) * kappa, // control point offset vertical - xe = x + wEllipse, // x-end - ye = y + hEllipse, // y-end - xm = x + wEllipse / 2, // x-middle - ym = y + hEllipse / 2, // y-middle - ymb = y + (h - hEllipse/2), // y-midlle, bottom ellipse - yeb = y + h; // y-end, bottom ellipse - - this.beginPath(); - this.moveTo(xe, ym); - - this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); - this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); - - this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); - this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); - - this.lineTo(xe, ymb); - - this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb); - this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb); - - this.lineTo(x, ym); - }; - - - /** - * Draw an arrow point (no line) - */ - CanvasRenderingContext2D.prototype.arrow = function(x, y, angle, length) { - // tail - var xt = x - length * Math.cos(angle); - var yt = y - length * Math.sin(angle); - - // inner tail - // TODO: allow to customize different shapes - var xi = x - length * 0.9 * Math.cos(angle); - var yi = y - length * 0.9 * Math.sin(angle); - - // left - var xl = xt + length / 3 * Math.cos(angle + 0.5 * Math.PI); - var yl = yt + length / 3 * Math.sin(angle + 0.5 * Math.PI); - - // right - var xr = xt + length / 3 * Math.cos(angle - 0.5 * Math.PI); - var yr = yt + length / 3 * Math.sin(angle - 0.5 * Math.PI); - - this.beginPath(); - this.moveTo(x, y); - this.lineTo(xl, yl); - this.lineTo(xi, yi); - this.lineTo(xr, yr); - this.closePath(); - }; - - /** - * Sets up the dashedLine functionality for drawing - * Original code came from http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas - * @author David Jordan - * @date 2012-08-08 - */ - CanvasRenderingContext2D.prototype.dashedLine = function(x,y,x2,y2,dashArray){ - if (!dashArray) dashArray=[10,5]; - if (dashLength==0) dashLength = 0.001; // Hack for Safari - var dashCount = dashArray.length; - this.moveTo(x, y); - var dx = (x2-x), dy = (y2-y); - var slope = dy/dx; - var distRemaining = Math.sqrt( dx*dx + dy*dy ); - var dashIndex=0, draw=true; - while (distRemaining>=0.1){ - var dashLength = dashArray[dashIndex++%dashCount]; - if (dashLength > distRemaining) dashLength = distRemaining; - var xStep = Math.sqrt( dashLength*dashLength / (1 + slope*slope) ); - if (dx<0) xStep = -xStep; - x += xStep; - y += slope*xStep; - this[draw ? 'lineTo' : 'moveTo'](x,y); - distRemaining -= dashLength; - draw = !draw; - } - }; + this.svgElements = {}; + this.dom = {}; + this.groups = {}; + this.amountOfGroups = 0; + this._create(); - // TODO: add diamond shape + this.setOptions(options); } + Legend.prototype = new Component(); -/***/ }, -/* 54 */ -/***/ function(module, exports, __webpack_require__) { + Legend.prototype.clear = function() { + this.groups = {}; + this.amountOfGroups = 0; + } - var PhysicsMixin = __webpack_require__(66); - var ClusterMixin = __webpack_require__(60); - var SectorsMixin = __webpack_require__(61); - var SelectionMixin = __webpack_require__(62); - var ManipulationMixin = __webpack_require__(63); - var NavigationMixin = __webpack_require__(64); - var HierarchicalLayoutMixin = __webpack_require__(65); + Legend.prototype.addGroup = function(label, graphOptions) { - /** - * Load a mixin into the network object - * - * @param {Object} sourceVariable | this object has to contain functions. - * @private - */ - exports._loadMixin = function (sourceVariable) { - for (var mixinFunction in sourceVariable) { - if (sourceVariable.hasOwnProperty(mixinFunction)) { - this[mixinFunction] = sourceVariable[mixinFunction]; - } + if (!this.groups.hasOwnProperty(label)) { + this.groups[label] = graphOptions; } + this.amountOfGroups += 1; }; - - /** - * removes a mixin from the network object. - * - * @param {Object} sourceVariable | this object has to contain functions. - * @private - */ - exports._clearMixin = function (sourceVariable) { - for (var mixinFunction in sourceVariable) { - if (sourceVariable.hasOwnProperty(mixinFunction)) { - this[mixinFunction] = undefined; - } - } + Legend.prototype.updateGroup = function(label, graphOptions) { + this.groups[label] = graphOptions; }; - - /** - * Mixin the physics system and initialize the parameters required. - * - * @private - */ - exports._loadPhysicsSystem = function () { - this._loadMixin(PhysicsMixin); - this._loadSelectedForceSolver(); - if (this.constants.configurePhysics == true) { - this._loadPhysicsConfiguration(); - } - else { - this._cleanupPhysicsConfiguration(); + Legend.prototype.removeGroup = function(label) { + if (this.groups.hasOwnProperty(label)) { + delete this.groups[label]; + this.amountOfGroups -= 1; } }; + Legend.prototype._create = function() { + this.dom.frame = document.createElement('div'); + this.dom.frame.className = 'legend'; + this.dom.frame.style.position = "absolute"; + this.dom.frame.style.top = "10px"; + this.dom.frame.style.display = "block"; - /** - * Mixin the cluster system and initialize the parameters required. - * - * @private - */ - exports._loadClusterSystem = function () { - this.clusterSession = 0; - this.hubThreshold = 5; - this._loadMixin(ClusterMixin); - }; - - - /** - * Mixin the sector system and initialize the parameters required - * - * @private - */ - exports._loadSectorSystem = function () { - this.sectors = {}; - this.activeSector = ["default"]; - this.sectors["active"] = {}; - this.sectors["active"]["default"] = {"nodes": {}, - "edges": {}, - "nodeIndices": [], - "formationScale": 1.0, - "drawingNode": undefined }; - this.sectors["frozen"] = {}; - this.sectors["support"] = {"nodes": {}, - "edges": {}, - "nodeIndices": [], - "formationScale": 1.0, - "drawingNode": undefined }; + this.dom.textArea = document.createElement('div'); + this.dom.textArea.className = 'legendText'; + this.dom.textArea.style.position = "relative"; + this.dom.textArea.style.top = "0px"; - this.nodeIndices = this.sectors["active"]["default"]["nodeIndices"]; // the node indices list is used to speed up the computation of the repulsion fields + this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); + this.svg.style.position = 'absolute'; + this.svg.style.top = 0 +'px'; + this.svg.style.width = this.options.iconSize + 5 + 'px'; + this.svg.style.height = '100%'; - this._loadMixin(SectorsMixin); + this.dom.frame.appendChild(this.svg); + this.dom.frame.appendChild(this.dom.textArea); }; - /** - * Mixin the selection system and initialize the parameters required - * - * @private + * Hide the component from the DOM */ - exports._loadSelectionSystem = function () { - this.selectionObj = {nodes: {}, edges: {}}; - - this._loadMixin(SelectionMixin); + Legend.prototype.hide = function() { + // remove the frame containing the items + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); + } }; - /** - * Mixin the navigationUI (User Interface) system and initialize the parameters required - * - * @private + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed */ - exports._loadManipulationSystem = function () { - // reset global variables -- these are used by the selection of nodes and edges. - this.blockConnectingEdgeSelection = false; - this.forceAppendSelection = false; + Legend.prototype.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); + } + }; - if (this.constants.dataManipulation.enabled == true) { - // load the manipulator HTML elements. All styling done in css. - if (this.manipulationDiv === undefined) { - this.manipulationDiv = document.createElement('div'); - this.manipulationDiv.className = 'network-manipulationDiv'; - if (this.editMode == true) { - this.manipulationDiv.style.display = "block"; - } - else { - this.manipulationDiv.style.display = "none"; - } - this.frame.appendChild(this.manipulationDiv); - } + Legend.prototype.setOptions = function(options) { + var fields = ['enabled','orientation','icons','left','right']; + util.selectiveDeepExtend(fields, this.options, options); + }; - if (this.editModeDiv === undefined) { - this.editModeDiv = document.createElement('div'); - this.editModeDiv.className = 'network-manipulation-editMode'; - if (this.editMode == true) { - this.editModeDiv.style.display = "none"; - } - else { - this.editModeDiv.style.display = "block"; + Legend.prototype.redraw = function() { + var activeGroups = 0; + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { + activeGroups++; } - this.frame.appendChild(this.editModeDiv); - } - - if (this.closeDiv === undefined) { - this.closeDiv = document.createElement('div'); - this.closeDiv.className = 'network-manipulation-closeDiv'; - this.closeDiv.style.display = this.manipulationDiv.style.display; - this.frame.appendChild(this.closeDiv); } + } - // load the manipulation functions - this._loadMixin(ManipulationMixin); - - // create the manipulator toolbar - this._createManipulatorBar(); + if (this.options[this.side].visible == false || this.amountOfGroups == 0 || this.options.enabled == false || activeGroups == 0) { + this.hide(); } else { - if (this.manipulationDiv !== undefined) { - // removes all the bindings and overloads - this._createManipulatorBar(); + this.show(); + if (this.options[this.side].position == 'top-left' || this.options[this.side].position == 'bottom-left') { + this.dom.frame.style.left = '4px'; + this.dom.frame.style.textAlign = "left"; + this.dom.textArea.style.textAlign = "left"; + this.dom.textArea.style.left = (this.options.iconSize + 15) + 'px'; + this.dom.textArea.style.right = ''; + this.svg.style.left = 0 +'px'; + this.svg.style.right = ''; + } + else { + this.dom.frame.style.right = '4px'; + this.dom.frame.style.textAlign = "right"; + this.dom.textArea.style.textAlign = "right"; + this.dom.textArea.style.right = (this.options.iconSize + 15) + 'px'; + this.dom.textArea.style.left = ''; + this.svg.style.right = 0 +'px'; + this.svg.style.left = ''; + } - // remove the manipulation divs - this.frame.removeChild(this.manipulationDiv); - this.frame.removeChild(this.editModeDiv); - this.frame.removeChild(this.closeDiv); + if (this.options[this.side].position == 'top-left' || this.options[this.side].position == 'top-right') { + this.dom.frame.style.top = 4 - Number(this.body.dom.center.style.top.replace("px","")) + 'px'; + this.dom.frame.style.bottom = ''; + } + else { + var scrollableHeight = this.body.domProps.center.height - this.body.domProps.centerContainer.height; + this.dom.frame.style.bottom = 4 + scrollableHeight + Number(this.body.dom.center.style.top.replace("px","")) + 'px'; + this.dom.frame.style.top = ''; + } - this.manipulationDiv = undefined; - this.editModeDiv = undefined; - this.closeDiv = undefined; - // remove the mixin functions - this._clearMixin(ManipulationMixin); + if (this.options.icons == false) { + this.dom.frame.style.width = this.dom.textArea.offsetWidth + 10 + 'px'; + this.dom.textArea.style.right = ''; + this.dom.textArea.style.left = ''; + this.svg.style.width = '0px'; + } + else { + this.dom.frame.style.width = this.options.iconSize + 15 + this.dom.textArea.offsetWidth + 10 + 'px' + this.drawLegendIcons(); + } + + var content = ''; + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { + content += this.groups[groupId].content + '
'; + } + } } + this.dom.textArea.innerHTML = content; + this.dom.textArea.style.lineHeight = ((0.75 * this.options.iconSize) + this.options.iconSpacing) + 'px'; } }; + Legend.prototype.drawLegendIcons = function() { + if (this.dom.frame.parentNode) { + DOMutil.prepareElements(this.svgElements); + var padding = window.getComputedStyle(this.dom.frame).paddingTop; + var iconOffset = Number(padding.replace('px','')); + var x = iconOffset; + var iconWidth = this.options.iconSize; + var iconHeight = 0.75 * this.options.iconSize; + var y = iconOffset + 0.5 * iconHeight + 3; - /** - * Mixin the navigation (User Interface) system and initialize the parameters required - * - * @private - */ - exports._loadNavigationControls = function () { - this._loadMixin(NavigationMixin); - // the clean function removes the button divs, this is done to remove the bindings. - this._cleanNavigation(); - if (this.constants.navigation.enabled == true) { - this._loadNavigationElements(); - } - }; + this.svg.style.width = iconWidth + 5 + iconOffset + 'px'; + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { + this.groups[groupId].drawIcon(x, y, this.svgElements, this.svg, iconWidth, iconHeight); + y += iconHeight + this.options.iconSpacing; + } + } + } - /** - * Mixin the hierarchical layout system. - * - * @private - */ - exports._loadHierarchySystem = function () { - this._loadMixin(HierarchicalLayoutMixin); + DOMutil.cleanupElements(this.svgElements); + } }; + module.exports = Legend; + /***/ }, -/* 55 */ +/* 51 */ /***/ function(module, exports, __webpack_require__) { - var keycharm = __webpack_require__(59); - var Emitter = __webpack_require__(56); - var Hammer = __webpack_require__(45); + var Emitter = __webpack_require__(11); + var Hammer = __webpack_require__(19); + var keycharm = __webpack_require__(36); var util = __webpack_require__(1); + var hammerUtil = __webpack_require__(22); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var dotparser = __webpack_require__(52); + var gephiParser = __webpack_require__(53); + var Groups = __webpack_require__(54); + var Images = __webpack_require__(55); + var Node = __webpack_require__(56); + var Edge = __webpack_require__(57); + var Popup = __webpack_require__(58); + var MixinLoader = __webpack_require__(59); + var Activator = __webpack_require__(35); + var locales = __webpack_require__(70); + + // Load custom shapes into CanvasRenderingContext2D + __webpack_require__(71); /** - * Turn an element into an clickToUse element. - * When not active, the element has a transparent overlay. When the overlay is - * clicked, the mode is changed to active. - * When active, the element is displayed with a blue border around it, and - * the interactive contents of the element can be used. When clicked outside - * the element, the elements mode is changed to inactive. - * @param {Element} container - * @constructor + * @constructor Network + * Create a network visualization, displaying nodes and edges. + * + * @param {Element} container The DOM element in which the Network will + * be created. Normally a div element. + * @param {Object} data An object containing parameters + * {Array} nodes + * {Array} edges + * @param {Object} options Options */ - function Activator(container) { - this.active = false; + function Network (container, data, options) { + if (!(this instanceof Network)) { + throw new SyntaxError('Constructor must be called with the new operator'); + } - this.dom = { - container: container - }; + this._determineBrowserMethod(); + this._initializeMixinLoaders(); - this.dom.overlay = document.createElement('div'); - this.dom.overlay.className = 'overlay'; + // create variables and set default values + this.containerElement = container; - this.dom.container.appendChild(this.dom.overlay); + // render and calculation settings + this.renderRefreshRate = 60; // hz (fps) + this.renderTimestep = 1000 / this.renderRefreshRate; // ms -- saves calculation later on + this.renderTime = 0; // measured time it takes to render a frame + this.physicsTime = 0; // measured time it takes to render a frame + this.runDoubleSpeed = false; + this.physicsDiscreteStepsize = 0.50; // discrete stepsize of the simulation - this.hammer = Hammer(this.dom.overlay, {prevent_default: false}); - this.hammer.on('tap', this._onTapOverlay.bind(this)); + this.initializing = true; - // block all touch events (except tap) - var me = this; - var events = [ - 'touch', 'pinch', - 'doubletap', 'hold', - 'dragstart', 'drag', 'dragend', - 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is needed for Firefox - ]; - events.forEach(function (event) { - me.hammer.on(event, function (event) { - event.stopPropagation(); - }); - }); + this.triggerFunctions = {add:null,edit:null,editEdge:null,connect:null,del:null}; - // attach a tap event to the window, in order to deactivate when clicking outside the timeline - this.windowHammer = Hammer(window, {prevent_default: false}); - this.windowHammer.on('tap', function (event) { - // deactivate when clicked outside the container - if (!_hasParent(event.target, container)) { - me.deactivate(); - } + // set constant values + this.defaultOptions = { + nodes: { + mass: 1, + radiusMin: 10, + radiusMax: 30, + radius: 10, + shape: 'ellipse', + image: undefined, + widthMin: 16, // px + widthMax: 64, // px + fontColor: 'black', + fontSize: 14, // px + fontFace: 'verdana', + fontFill: undefined, + fontStrokeWidth: 0, // px + fontStrokeColor: 'white', + level: -1, + color: { + border: '#2B7CE9', + background: '#97C2FC', + highlight: { + border: '#2B7CE9', + background: '#D2E5FF' + }, + hover: { + border: '#2B7CE9', + background: '#D2E5FF' + } + }, + group: undefined, + borderWidth: 1, + borderWidthSelected: undefined + }, + edges: { + widthMin: 1, // + widthMax: 15,// + width: 1, + widthSelectionMultiplier: 2, + hoverWidth: 1.5, + style: 'line', + color: { + color:'#848484', + highlight:'#848484', + hover: '#848484' + }, + fontColor: '#343434', + fontSize: 14, // px + fontFace: 'arial', + fontFill: 'white', + fontStrokeWidth: 0, // px + fontStrokeColor: 'white', + labelAlignment:'horizontal', + arrowScaleFactor: 1, + dash: { + length: 10, + gap: 5, + altLength: undefined + }, + inheritColor: "from" // to, from, false, true (== from) + }, + configurePhysics:false, + physics: { + barnesHut: { + enabled: true, + thetaInverted: 1 / 0.5, // inverted to save time during calculation + gravitationalConstant: -2000, + centralGravity: 0.3, + springLength: 95, + springConstant: 0.04, + damping: 0.09 + }, + repulsion: { + centralGravity: 0.0, + springLength: 200, + springConstant: 0.05, + nodeDistance: 100, + damping: 0.09 + }, + hierarchicalRepulsion: { + enabled: false, + centralGravity: 0.0, + springLength: 100, + springConstant: 0.01, + nodeDistance: 150, + damping: 0.09 + }, + damping: null, + centralGravity: null, + springLength: null, + springConstant: null + }, + clustering: { // Per Node in Cluster = PNiC + enabled: false, // (Boolean) | global on/off switch for clustering. + initialMaxNodes: 100, // (# nodes) | if the initial amount of nodes is larger than this, we cluster until the total number is less than this threshold. + clusterThreshold:500, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than this. If it is, cluster until reduced to reduceToNodes + reduceToNodes:300, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than clusterThreshold. If it is, cluster until reduced to this + chainThreshold: 0.4, // (% of all drawn nodes)| maximum percentage of allowed chainnodes (long strings of connected nodes) within all nodes. (lower means less chains). + clusterEdgeThreshold: 20, // (px) | edge length threshold. if smaller, this node is clustered. + sectorThreshold: 100, // (# nodes in cluster) | cluster size threshold. If larger, expanding in own sector. + screenSizeThreshold: 0.2, // (% of canvas) | relative size threshold. If the width or height of a clusternode takes up this much of the screen, decluster node. + fontSizeMultiplier: 4.0, // (px PNiC) | how much the cluster font size grows per node in cluster (in px). + maxFontSize: 1000, + forceAmplification: 0.1, // (multiplier PNiC) | factor of increase fo the repulsion force of a cluster (per node in cluster). + distanceAmplification: 0.1, // (multiplier PNiC) | factor how much the repulsion distance of a cluster increases (per node in cluster). + edgeGrowth: 20, // (px PNiC) | amount of clusterSize connected to the edge is multiplied with this and added to edgeLength. + nodeScaling: {width: 1, // (px PNiC) | growth of the width per node in cluster. + height: 1, // (px PNiC) | growth of the height per node in cluster. + radius: 1}, // (px PNiC) | growth of the radius per node in cluster. + maxNodeSizeIncrements: 600, // (# increments) | max growth of the width per node in cluster. + activeAreaBoxSize: 80, // (px) | box area around the curser where clusters are popped open. + clusterLevelDifference: 2 + }, + navigation: { + enabled: false + }, + keyboard: { + enabled: false, + speed: {x: 10, y: 10, zoom: 0.02} + }, + dataManipulation: { + enabled: false, + initiallyVisible: false + }, + hierarchicalLayout: { + enabled:false, + levelSeparation: 150, + nodeSpacing: 100, + direction: "UD", // UD, DU, LR, RL + layout: "hubsize" // hubsize, directed + }, + freezeForStabilization: false, + smoothCurves: { + enabled: true, + dynamic: true, + type: "continuous", + roundness: 0.5 + }, + maxVelocity: 30, + minVelocity: 0.1, // px/s + stabilize: true, // stabilize before displaying the network + stabilizationIterations: 1000, // maximum number of iteration to stabilize + zoomExtentOnStabilize: true, + locale: 'en', + locales: locales, + tooltip: { + delay: 300, + fontColor: 'black', + fontSize: 14, // px + fontFace: 'verdana', + color: { + border: '#666', + background: '#FFFFC6' + } + }, + dragNetwork: true, + dragNodes: true, + zoomable: true, + hover: false, + hideEdgesOnDrag: false, + hideNodesOnDrag: false, + width : '100%', + height : '100%', + selectable: true + }; + this.constants = util.extend({}, this.defaultOptions); + this.pixelRatio = 1; + + + this.hoverObj = {nodes:{},edges:{}}; + this.controlNodesActive = false; + this.navigationHammers = {existing:[], _new: []}; + + // animation properties + this.animationSpeed = 1/this.renderRefreshRate; + this.animationEasingFunction = "easeInOutQuint"; + this.easingTime = 0; + this.sourceScale = 0; + this.targetScale = 0; + this.sourceTranslation = 0; + this.targetTranslation = 0; + this.lockedOnNodeId = null; + this.lockedOnNodeOffset = null; + this.touchTime = 0; + + // Node variables + var network = this; + this.groups = new Groups(); // object with groups + this.images = new Images(); // object with images + this.images.setOnloadCallback(function (status) { + network._redraw(); }); - if (this.keycharm !== undefined) { - this.keycharm.destroy(); - } - this.keycharm = keycharm(); + // keyboard navigation variables + this.xIncrement = 0; + this.yIncrement = 0; + this.zoomIncrement = 0; - // keycharm listener only bounded when active) - this.escListener = this.deactivate.bind(this); - } + // loading all the mixins: + // load the force calculation functions, grouped under the physics system. + this._loadPhysicsSystem(); + // create a frame and canvas + this._create(); + // load the sector system. (mandatory, fully integrated with Network) + this._loadSectorSystem(); + // load the cluster system. (mandatory, even when not using the cluster system, there are function calls to it) + this._loadClusterSystem(); + // load the selection system. (mandatory, required by Network) + this._loadSelectionSystem(); + // load the selection system. (mandatory, required by Network) + this._loadHierarchySystem(); - // turn into an event emitter - Emitter(Activator.prototype); - // The currently active activator - Activator.current = null; + // apply options + this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2); + this._setScale(1); + this.setOptions(options); - /** - * Destroy the activator. Cleans up all created DOM and event listeners - */ - Activator.prototype.destroy = function () { - this.deactivate(); + // other vars + this.freezeSimulation = false;// freeze the simulation + this.cachedFunctions = {}; + this.startedStabilization = false; + this.stabilized = false; + this.stabilizationIterations = null; + this.draggingNodes = false; - // remove dom - this.dom.overlay.parentNode.removeChild(this.dom.overlay); + // containers for nodes and edges + this.calculationNodes = {}; + this.calculationNodeIndices = []; + this.nodeIndices = []; // array with all the indices of the nodes. Used to speed up forces calculation + this.nodes = {}; // object with Node objects + this.edges = {}; // object with Edge objects - // cleanup hammer instances - this.hammer = null; - this.windowHammer = null; - // FIXME: cleaning up hammer instances doesn't work (Timeline not removed from memory) - }; + // position and scale variables and objects + this.canvasTopLeft = {"x": 0,"y": 0}; // coordinates of the top left of the canvas. they will be set during _redraw. + this.canvasBottomRight = {"x": 0,"y": 0}; // coordinates of the bottom right of the canvas. they will be set during _redraw + this.pointerPosition = {"x": 0,"y": 0}; // coordinates of the bottom right of the canvas. they will be set during _redraw + this.areaCenter = {}; // object with x and y elements used for determining the center of the zoom action + this.scale = 1; // defining the global scale variable in the constructor + this.previousScale = this.scale; // this is used to check if the zoom operation is zooming in or out - /** - * Activate the element - * Overlay is hidden, element is decorated with a blue shadow border - */ - Activator.prototype.activate = function () { - // we allow only one active activator at a time - if (Activator.current) { - Activator.current.deactivate(); - } - Activator.current = this; + // datasets or dataviews + this.nodesData = null; // A DataSet or DataView + this.edgesData = null; // A DataSet or DataView + + // create event listeners used to subscribe on the DataSets of the nodes and edges + this.nodesListeners = { + 'add': function (event, params) { + network._addNodes(params.items); + network.start(); + }, + 'update': function (event, params) { + network._updateNodes(params.items, params.data); + network.start(); + }, + 'remove': function (event, params) { + network._removeNodes(params.items); + network.start(); + } + }; + this.edgesListeners = { + 'add': function (event, params) { + network._addEdges(params.items); + network.start(); + }, + 'update': function (event, params) { + network._updateEdges(params.items); + network.start(); + }, + 'remove': function (event, params) { + network._removeEdges(params.items); + network.start(); + } + }; - this.active = true; - this.dom.overlay.style.display = 'none'; - util.addClassName(this.dom.container, 'vis-active'); + // properties for the animation + this.moving = true; + this.timer = undefined; // Scheduling function. Is definded in this.start(); - this.emit('change'); - this.emit('activate'); + // load data (the disable start variable will be the same as the enabled clustering) + this.setData(data,this.constants.clustering.enabled || this.constants.hierarchicalLayout.enabled); - // ugly hack: bind ESC after emitting the events, as the Network rebinds all - // keyboard events on a 'change' event - this.keycharm.bind('esc', this.escListener); - }; + // hierarchical layout + this.initializing = false; + if (this.constants.hierarchicalLayout.enabled == true) { + this._setupHierarchicalLayout(); + } + else { + // zoom so all data will fit on the screen, if clustering is enabled, we do not want start to be called here. + if (this.constants.stabilize == false) { + this.zoomExtent(undefined, true,this.constants.clustering.enabled); + } + } - /** - * Deactivate the element - * Overlay is displayed on top of the element - */ - Activator.prototype.deactivate = function () { - this.active = false; - this.dom.overlay.style.display = ''; - util.removeClassName(this.dom.container, 'vis-active'); - this.keycharm.unbind('esc', this.escListener); + // if clustering is disabled, the simulation will have started in the setData function + if (this.constants.clustering.enabled) { + this.startWithClustering(); + } + } - this.emit('change'); - this.emit('deactivate'); - }; + // Extend Network with an Emitter mixin + Emitter(Network.prototype); /** - * Handle a tap event: activate the container - * @param event + * Determine if the browser requires a setTimeout or a requestAnimationFrame. This was required because + * some implementations (safari and IE9) did not support requestAnimationFrame * @private */ - Activator.prototype._onTapOverlay = function (event) { - // activate the container - this.activate(); - event.stopPropagation(); - }; + Network.prototype._determineBrowserMethod = function() { + var browserType = navigator.userAgent.toLowerCase(); + this.requiresTimeout = false; + if (browserType.indexOf('msie 9.0') != -1) { // IE 9 + this.requiresTimeout = true; + } + else if (browserType.indexOf('safari') != -1) { // safari + if (browserType.indexOf('chrome') <= -1) { + this.requiresTimeout = true; + } + } + } + /** - * Test whether the element has the requested parent element somewhere in - * its chain of parent nodes. - * @param {HTMLElement} element - * @param {HTMLElement} parent - * @returns {boolean} Returns true when the parent is found somewhere in the - * chain of parent nodes. + * Get the script path where the vis.js library is located + * + * @returns {string | null} path Path or null when not found. Path does not + * end with a slash. * @private */ - function _hasParent(element, parent) { - while (element) { - if (element === parent) { - return true + Network.prototype._getScriptPath = function() { + var scripts = document.getElementsByTagName( 'script' ); + + // find script named vis.js or vis.min.js + for (var i = 0; i < scripts.length; i++) { + var src = scripts[i].src; + var match = src && /\/?vis(.min)?\.js$/.exec(src); + if (match) { + // return path without the script name + return src.substring(0, src.length - match[0].length); } - element = element.parentNode; } - return false; - } - - module.exports = Activator; + return null; + }; -/***/ }, -/* 56 */ -/***/ function(module, exports, __webpack_require__) { - /** - * Expose `Emitter`. + * Find the center position of the network + * @private */ + Network.prototype._getRange = function() { + var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (minX > (node.boundingBox.left)) {minX = node.boundingBox.left;} + if (maxX < (node.boundingBox.right)) {maxX = node.boundingBox.right;} + if (minY > (node.boundingBox.bottom)) {minY = node.boundingBox.bottom;} + if (maxY < (node.boundingBox.top)) {maxY = node.boundingBox.top;} + } + } + if (minX == 1e9 && maxX == -1e9 && minY == 1e9 && maxY == -1e9) { + minY = 0, maxY = 0, minX = 0, maxX = 0; + } + return {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; + }; - module.exports = Emitter; /** - * Initialize a new `Emitter`. - * - * @api public + * @param {object} range = {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; + * @returns {{x: number, y: number}} + * @private */ - - function Emitter(obj) { - if (obj) return mixin(obj); + Network.prototype._findCenter = function(range) { + return {x: (0.5 * (range.maxX + range.minX)), + y: (0.5 * (range.maxY + range.minY))}; }; - /** - * Mixin the emitter properties. - * - * @param {Object} obj - * @return {Object} - * @api private - */ - - function mixin(obj) { - for (var key in Emitter.prototype) { - obj[key] = Emitter.prototype[key]; - } - return obj; - } /** - * Listen on the given `event` with `fn`. + * This function zooms out to fit all data on screen based on amount of nodes * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public + * @param {Boolean} [initialZoom] | zoom based on fitted formula or range, true = fitted, default = false; + * @param {Boolean} [disableStart] | If true, start is not called. */ + Network.prototype.zoomExtent = function(animationOptions, initialZoom, disableStart) { + this._redraw(true); - Emitter.prototype.on = - Emitter.prototype.addEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - (this._callbacks[event] = this._callbacks[event] || []) - .push(fn); - return this; - }; + if (initialZoom === undefined) { + initialZoom = false; + } + if (disableStart === undefined) { + disableStart = false; + } + if (animationOptions === undefined) { + animationOptions = false; + } - /** - * Adds an `event` listener that will be invoked a single - * time then automatically removed. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ + var range = this._getRange(); + var zoomLevel; - Emitter.prototype.once = function(event, fn){ - var self = this; - this._callbacks = this._callbacks || {}; + if (initialZoom == true) { + var numberOfNodes = this.nodeIndices.length; + if (this.constants.smoothCurves == true) { + if (this.constants.clustering.enabled == true && + numberOfNodes >= this.constants.clustering.initialMaxNodes) { + zoomLevel = 49.07548 / (numberOfNodes + 142.05338) + 9.1444e-04; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. + } + else { + zoomLevel = 12.662 / (numberOfNodes + 7.4147) + 0.0964822; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. + } + } + else { + if (this.constants.clustering.enabled == true && + numberOfNodes >= this.constants.clustering.initialMaxNodes) { + zoomLevel = 77.5271985 / (numberOfNodes + 187.266146) + 4.76710517e-05; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. + } + else { + zoomLevel = 30.5062972 / (numberOfNodes + 19.93597763) + 0.08413486; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. + } + } - function on() { - self.off(event, on); - fn.apply(this, arguments); + // correct for larger canvasses. + var factor = Math.min(this.frame.canvas.clientWidth / 600, this.frame.canvas.clientHeight / 600); + zoomLevel *= factor; } + else { + var xDistance = Math.abs(range.maxX - range.minX) * 1.1; + var yDistance = Math.abs(range.maxY - range.minY) * 1.1; - on.fn = fn; - this.on(event, on); - return this; - }; - - /** - * Remove the given callback for `event` or all - * registered callbacks. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ + var xZoomLevel = this.frame.canvas.clientWidth / xDistance; + var yZoomLevel = this.frame.canvas.clientHeight / yDistance; - Emitter.prototype.off = - Emitter.prototype.removeListener = - Emitter.prototype.removeAllListeners = - Emitter.prototype.removeEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; + zoomLevel = (xZoomLevel <= yZoomLevel) ? xZoomLevel : yZoomLevel; + } - // all - if (0 == arguments.length) { - this._callbacks = {}; - return this; + if (zoomLevel > 1.0) { + zoomLevel = 1.0; } - // specific event - var callbacks = this._callbacks[event]; - if (!callbacks) return this; - // remove all handlers - if (1 == arguments.length) { - delete this._callbacks[event]; - return this; + var center = this._findCenter(range); + if (disableStart == false) { + var options = {position: center, scale: zoomLevel, animation: animationOptions}; + this.moveTo(options); + this.moving = true; + this.start(); } - - // remove specific handler - var cb; - for (var i = 0; i < callbacks.length; i++) { - cb = callbacks[i]; - if (cb === fn || cb.fn === fn) { - callbacks.splice(i, 1); - break; - } + else { + center.x *= zoomLevel; + center.y *= zoomLevel; + center.x -= 0.5 * this.frame.canvas.clientWidth; + center.y -= 0.5 * this.frame.canvas.clientHeight; + this._setScale(zoomLevel); + this._setTranslation(-center.x,-center.y); } - return this; }; + /** - * Emit `event` with the given args. - * - * @param {String} event - * @param {Mixed} ... - * @return {Emitter} + * Update the this.nodeIndices with the most recent node index list + * @private */ - - Emitter.prototype.emit = function(event){ - this._callbacks = this._callbacks || {}; - var args = [].slice.call(arguments, 1) - , callbacks = this._callbacks[event]; - - if (callbacks) { - callbacks = callbacks.slice(0); - for (var i = 0, len = callbacks.length; i < len; ++i) { - callbacks[i].apply(this, args); + Network.prototype._updateNodeIndexList = function() { + this._clearNodeIndexList(); + for (var idx in this.nodes) { + if (this.nodes.hasOwnProperty(idx)) { + this.nodeIndices.push(idx); } } - - return this; }; - /** - * Return array of callbacks for `event`. - * - * @param {String} event - * @return {Array} - * @api public - */ - - Emitter.prototype.listeners = function(event){ - this._callbacks = this._callbacks || {}; - return this._callbacks[event] || []; - }; /** - * Check if this emitter has `event` handlers. + * Set nodes and edges, and optionally options as well. * - * @param {String} event - * @return {Boolean} - * @api public + * @param {Object} data Object containing parameters: + * {Array | DataSet | DataView} [nodes] Array with nodes + * {Array | DataSet | DataView} [edges] Array with edges + * {String} [dot] String containing data in DOT format + * {String} [gephi] String containing data in gephi JSON format + * {Options} [options] Object with options + * @param {Boolean} [disableStart] | optional: disable the calling of the start function. */ + Network.prototype.setData = function(data, disableStart) { + if (disableStart === undefined) { + disableStart = false; + } + // we set initializing to true to ensure that the hierarchical layout is not performed until both nodes and edges are added. + this.initializing = true; - Emitter.prototype.hasListeners = function(event){ - return !! this.listeners(event).length; - }; - - -/***/ }, -/* 57 */ -/***/ function(module, exports, __webpack_require__) { - - var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {//! moment.js - //! version : 2.9.0 - //! authors : Tim Wood, Iskren Chernev, Moment.js contributors - //! license : MIT - //! momentjs.com - - (function (undefined) { - /************************************ - Constants - ************************************/ - - var moment, - VERSION = '2.9.0', - // the global-scope this is NOT the global object in Node.js - globalScope = (typeof global !== 'undefined' && (typeof window === 'undefined' || window === global.window)) ? global : this, - oldGlobalMoment, - round = Math.round, - hasOwnProperty = Object.prototype.hasOwnProperty, - i, - - YEAR = 0, - MONTH = 1, - DATE = 2, - HOUR = 3, - MINUTE = 4, - SECOND = 5, - MILLISECOND = 6, - - // internal storage for locale config files - locales = {}, - - // extra moment internal properties (plugins register props here) - momentProperties = [], - - // check for nodeJS - hasModule = (typeof module !== 'undefined' && module && module.exports), - - // ASP.NET json date format regex - aspNetJsonRegex = /^\/?Date\((\-?\d+)/i, - aspNetTimeSpanJsonRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/, - - // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html - // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere - isoDurationRegex = /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/, - - // format tokens - formattingTokens = /(\[[^\[]*\])|(\\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Q|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,4}|x|X|zz?|ZZ?|.)/g, - localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g, - - // parsing token regexes - parseTokenOneOrTwoDigits = /\d\d?/, // 0 - 99 - parseTokenOneToThreeDigits = /\d{1,3}/, // 0 - 999 - parseTokenOneToFourDigits = /\d{1,4}/, // 0 - 9999 - parseTokenOneToSixDigits = /[+\-]?\d{1,6}/, // -999,999 - 999,999 - parseTokenDigits = /\d+/, // nonzero number of digits - parseTokenWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i, // any word (or two) characters or numbers including two/three word month in arabic. - parseTokenTimezone = /Z|[\+\-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z - parseTokenT = /T/i, // T (ISO separator) - parseTokenOffsetMs = /[\+\-]?\d+/, // 1234567890123 - parseTokenTimestampMs = /[\+\-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123 - - //strict parsing regexes - parseTokenOneDigit = /\d/, // 0 - 9 - parseTokenTwoDigits = /\d\d/, // 00 - 99 - parseTokenThreeDigits = /\d{3}/, // 000 - 999 - parseTokenFourDigits = /\d{4}/, // 0000 - 9999 - parseTokenSixDigits = /[+-]?\d{6}/, // -999,999 - 999,999 - parseTokenSignedNumber = /[+-]?\d+/, // -inf - inf - - // iso 8601 regex - // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00) - isoRegex = /^\s*(?:[+-]\d{6}|\d{4})-(?:(\d\d-\d\d)|(W\d\d$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/, - - isoFormat = 'YYYY-MM-DDTHH:mm:ssZ', - - isoDates = [ - ['YYYYYY-MM-DD', /[+-]\d{6}-\d{2}-\d{2}/], - ['YYYY-MM-DD', /\d{4}-\d{2}-\d{2}/], - ['GGGG-[W]WW-E', /\d{4}-W\d{2}-\d/], - ['GGGG-[W]WW', /\d{4}-W\d{2}/], - ['YYYY-DDD', /\d{4}-\d{3}/] - ], - - // iso time formats and regexes - isoTimes = [ - ['HH:mm:ss.SSSS', /(T| )\d\d:\d\d:\d\d\.\d+/], - ['HH:mm:ss', /(T| )\d\d:\d\d:\d\d/], - ['HH:mm', /(T| )\d\d:\d\d/], - ['HH', /(T| )\d\d/] - ], - - // timezone chunker '+10:00' > ['10', '00'] or '-1530' > ['-', '15', '30'] - parseTimezoneChunker = /([\+\-]|\d\d)/gi, + if (data && data.dot && (data.nodes || data.edges)) { + throw new SyntaxError('Data must contain either parameter "dot" or ' + + ' parameter pair "nodes" and "edges", but not both.'); + } - // getter and setter names - proxyGettersAndSetters = 'Date|Hours|Minutes|Seconds|Milliseconds'.split('|'), - unitMillisecondFactors = { - 'Milliseconds' : 1, - 'Seconds' : 1e3, - 'Minutes' : 6e4, - 'Hours' : 36e5, - 'Days' : 864e5, - 'Months' : 2592e6, - 'Years' : 31536e6 - }, + // clean up in case there is anyone in an active mode of the manipulation. This is the same option as bound to the escape button. + if (this.constants.dataManipulation.enabled == true) { + this._createManipulatorBar(); + } - unitAliases = { - ms : 'millisecond', - s : 'second', - m : 'minute', - h : 'hour', - d : 'day', - D : 'date', - w : 'week', - W : 'isoWeek', - M : 'month', - Q : 'quarter', - y : 'year', - DDD : 'dayOfYear', - e : 'weekday', - E : 'isoWeekday', - gg: 'weekYear', - GG: 'isoWeekYear' - }, + // set options + this.setOptions(data && data.options); + // set all data + if (data && data.dot) { + // parse DOT file + if(data && data.dot) { + var dotData = dotparser.DOTToGraph(data.dot); + this.setData(dotData); + return; + } + } + else if (data && data.gephi) { + // parse DOT file + if(data && data.gephi) { + var gephiData = gephiParser.parseGephi(data.gephi); + this.setData(gephiData); + return; + } + } + else { + this._setNodes(data && data.nodes); + this._setEdges(data && data.edges); + } + this._putDataInSector(); + if (disableStart == false) { + if (this.constants.hierarchicalLayout.enabled == true) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + else { + // find a stable position or start animating to a stable position + if (this.constants.stabilize) { + this._stabilize(); + } + } + this.start(); + } + this.initializing = false; + }; - camelFunctions = { - dayofyear : 'dayOfYear', - isoweekday : 'isoWeekday', - isoweek : 'isoWeek', - weekyear : 'weekYear', - isoweekyear : 'isoWeekYear' - }, + /** + * Set options + * @param {Object} options + */ + Network.prototype.setOptions = function (options) { + if (options) { + var prop; + var fields = ['nodes','edges','smoothCurves','hierarchicalLayout','clustering','navigation', + 'keyboard','dataManipulation','onAdd','onEdit','onEditEdge','onConnect','onDelete','clickToUse' + ]; + // extend all but the values in fields + util.selectiveNotDeepExtend(fields,this.constants, options); + util.selectiveNotDeepExtend(['color'],this.constants.nodes, options.nodes); + util.selectiveNotDeepExtend(['color','length'],this.constants.edges, options.edges); - // format function strings - formatFunctions = {}, + if (options.physics) { + util.mergeOptions(this.constants.physics, options.physics,'barnesHut'); + util.mergeOptions(this.constants.physics, options.physics,'repulsion'); - // default relative time thresholds - relativeTimeThresholds = { - s: 45, // seconds to minute - m: 45, // minutes to hour - h: 22, // hours to day - d: 26, // days to month - M: 11 // months to year - }, + if (options.physics.hierarchicalRepulsion) { + this.constants.hierarchicalLayout.enabled = true; + this.constants.physics.hierarchicalRepulsion.enabled = true; + this.constants.physics.barnesHut.enabled = false; + for (prop in options.physics.hierarchicalRepulsion) { + if (options.physics.hierarchicalRepulsion.hasOwnProperty(prop)) { + this.constants.physics.hierarchicalRepulsion[prop] = options.physics.hierarchicalRepulsion[prop]; + } + } + } + } - // tokens to ordinalize and pad - ordinalizeTokens = 'DDD w W M D d'.split(' '), - paddedTokens = 'M D H h m s w W'.split(' '), + if (options.onAdd) {this.triggerFunctions.add = options.onAdd;} + if (options.onEdit) {this.triggerFunctions.edit = options.onEdit;} + if (options.onEditEdge) {this.triggerFunctions.editEdge = options.onEditEdge;} + if (options.onConnect) {this.triggerFunctions.connect = options.onConnect;} + if (options.onDelete) {this.triggerFunctions.del = options.onDelete;} - formatTokenFunctions = { - M : function () { - return this.month() + 1; - }, - MMM : function (format) { - return this.localeData().monthsShort(this, format); - }, - MMMM : function (format) { - return this.localeData().months(this, format); - }, - D : function () { - return this.date(); - }, - DDD : function () { - return this.dayOfYear(); - }, - d : function () { - return this.day(); - }, - dd : function (format) { - return this.localeData().weekdaysMin(this, format); - }, - ddd : function (format) { - return this.localeData().weekdaysShort(this, format); - }, - dddd : function (format) { - return this.localeData().weekdays(this, format); - }, - w : function () { - return this.week(); - }, - W : function () { - return this.isoWeek(); - }, - YY : function () { - return leftZeroFill(this.year() % 100, 2); - }, - YYYY : function () { - return leftZeroFill(this.year(), 4); - }, - YYYYY : function () { - return leftZeroFill(this.year(), 5); - }, - YYYYYY : function () { - var y = this.year(), sign = y >= 0 ? '+' : '-'; - return sign + leftZeroFill(Math.abs(y), 6); - }, - gg : function () { - return leftZeroFill(this.weekYear() % 100, 2); - }, - gggg : function () { - return leftZeroFill(this.weekYear(), 4); - }, - ggggg : function () { - return leftZeroFill(this.weekYear(), 5); - }, - GG : function () { - return leftZeroFill(this.isoWeekYear() % 100, 2); - }, - GGGG : function () { - return leftZeroFill(this.isoWeekYear(), 4); - }, - GGGGG : function () { - return leftZeroFill(this.isoWeekYear(), 5); - }, - e : function () { - return this.weekday(); - }, - E : function () { - return this.isoWeekday(); - }, - a : function () { - return this.localeData().meridiem(this.hours(), this.minutes(), true); - }, - A : function () { - return this.localeData().meridiem(this.hours(), this.minutes(), false); - }, - H : function () { - return this.hours(); - }, - h : function () { - return this.hours() % 12 || 12; - }, - m : function () { - return this.minutes(); - }, - s : function () { - return this.seconds(); - }, - S : function () { - return toInt(this.milliseconds() / 100); - }, - SS : function () { - return leftZeroFill(toInt(this.milliseconds() / 10), 2); - }, - SSS : function () { - return leftZeroFill(this.milliseconds(), 3); - }, - SSSS : function () { - return leftZeroFill(this.milliseconds(), 3); - }, - Z : function () { - var a = this.utcOffset(), - b = '+'; - if (a < 0) { - a = -a; - b = '-'; - } - return b + leftZeroFill(toInt(a / 60), 2) + ':' + leftZeroFill(toInt(a) % 60, 2); - }, - ZZ : function () { - var a = this.utcOffset(), - b = '+'; - if (a < 0) { - a = -a; - b = '-'; - } - return b + leftZeroFill(toInt(a / 60), 2) + leftZeroFill(toInt(a) % 60, 2); - }, - z : function () { - return this.zoneAbbr(); - }, - zz : function () { - return this.zoneName(); - }, - x : function () { - return this.valueOf(); - }, - X : function () { - return this.unix(); - }, - Q : function () { - return this.quarter(); - } - }, + util.mergeOptions(this.constants, options,'smoothCurves'); + util.mergeOptions(this.constants, options,'hierarchicalLayout'); + util.mergeOptions(this.constants, options,'clustering'); + util.mergeOptions(this.constants, options,'navigation'); + util.mergeOptions(this.constants, options,'keyboard'); + util.mergeOptions(this.constants, options,'dataManipulation'); - deprecations = {}, - lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin'], + if (options.dataManipulation) { + this.editMode = this.constants.dataManipulation.initiallyVisible; + } - updateInProgress = false; - // Pick the first defined of two or three arguments. dfl comes from - // default. - function dfl(a, b, c) { - switch (arguments.length) { - case 2: return a != null ? a : b; - case 3: return a != null ? a : b != null ? b : c; - default: throw new Error('Implement me'); + // TODO: work out these options and document them + if (options.edges) { + if (options.edges.color !== undefined) { + if (util.isString(options.edges.color)) { + this.constants.edges.color = {}; + this.constants.edges.color.color = options.edges.color; + this.constants.edges.color.highlight = options.edges.color; + this.constants.edges.color.hover = options.edges.color; } - } + else { + if (options.edges.color.color !== undefined) {this.constants.edges.color.color = options.edges.color.color;} + if (options.edges.color.highlight !== undefined) {this.constants.edges.color.highlight = options.edges.color.highlight;} + if (options.edges.color.hover !== undefined) {this.constants.edges.color.hover = options.edges.color.hover;} + } + this.constants.edges.inheritColor = false; + } - function hasOwnProp(a, b) { - return hasOwnProperty.call(a, b); + if (!options.edges.fontColor) { + if (options.edges.color !== undefined) { + if (util.isString(options.edges.color)) {this.constants.edges.fontColor = options.edges.color;} + else if (options.edges.color.color !== undefined) {this.constants.edges.fontColor = options.edges.color.color;} + } + } } - function defaultParsingFlags() { - // We need to deep clone this object, and es5 standard is not very - // helpful. - return { - empty : false, - unusedTokens : [], - unusedInput : [], - overflow : -2, - charsLeftOver : 0, - nullInput : false, - invalidMonth : null, - invalidFormat : false, - userInvalidated : false, - iso: false - }; + if (options.nodes) { + if (options.nodes.color) { + var newColorObj = util.parseColor(options.nodes.color); + this.constants.nodes.color.background = newColorObj.background; + this.constants.nodes.color.border = newColorObj.border; + this.constants.nodes.color.highlight.background = newColorObj.highlight.background; + this.constants.nodes.color.highlight.border = newColorObj.highlight.border; + this.constants.nodes.color.hover.background = newColorObj.hover.background; + this.constants.nodes.color.hover.border = newColorObj.hover.border; + } } - - function printMsg(msg) { - if (moment.suppressDeprecationWarnings === false && - typeof console !== 'undefined' && console.warn) { - console.warn('Deprecation warning: ' + msg); + if (options.groups) { + for (var groupname in options.groups) { + if (options.groups.hasOwnProperty(groupname)) { + var group = options.groups[groupname]; + this.groups.add(groupname, group); } + } } - function deprecate(msg, fn) { - var firstTime = true; - return extend(function () { - if (firstTime) { - printMsg(msg); - firstTime = false; - } - return fn.apply(this, arguments); - }, fn); + if (options.tooltip) { + for (prop in options.tooltip) { + if (options.tooltip.hasOwnProperty(prop)) { + this.constants.tooltip[prop] = options.tooltip[prop]; + } + } + if (options.tooltip.color) { + this.constants.tooltip.color = util.parseColor(options.tooltip.color); + } } - function deprecateSimple(name, msg) { - if (!deprecations[name]) { - printMsg(msg); - deprecations[name] = true; + if ('clickToUse' in options) { + if (options.clickToUse) { + if (!this.activator) { + this.activator = new Activator(this.frame); + this.activator.on('change', this._createKeyBinds.bind(this)); + } + } + else { + if (this.activator) { + this.activator.destroy(); + delete this.activator; } + } } - function padToken(func, count) { - return function (a) { - return leftZeroFill(func.call(this, a), count); - }; - } - function ordinalizeToken(func, period) { - return function (a) { - return this.localeData().ordinal(func.call(this, a), period); - }; + if (options.labels) { + throw new Error('Option "labels" is deprecated. Use options "locale" and "locales" instead.'); } - function monthDiff(a, b) { - // difference in months - var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()), - // b is in (anchor - 1 month, anchor + 1 month) - anchor = a.clone().add(wholeMonthDiff, 'months'), - anchor2, adjust; - if (b - anchor < 0) { - anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor - anchor2); - } else { - anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor2 - anchor); - } + // (Re)loading the mixins that can be enabled or disabled in the options. + // load the force calculation functions, grouped under the physics system. + this._loadPhysicsSystem(); + // load the navigation system. + this._loadNavigationControls(); + // load the data manipulation system + this._loadManipulationSystem(); + // configure the smooth curves + this._configureSmoothCurves(); - return -(wholeMonthDiff + adjust); - } - while (ordinalizeTokens.length) { - i = ordinalizeTokens.pop(); - formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i); - } - while (paddedTokens.length) { - i = paddedTokens.pop(); - formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2); - } - formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3); + // bind keys. If disabled, this will not do anything; + this._createKeyBinds(); + this.setSize(this.constants.width, this.constants.height); + this.moving = true; + this.start(); + } + }; - function meridiemFixWrap(locale, hour, meridiem) { - var isPm; - if (meridiem == null) { - // nothing to do - return hour; - } - if (locale.meridiemHour != null) { - return locale.meridiemHour(hour, meridiem); - } else if (locale.isPM != null) { - // Fallback - isPm = locale.isPM(meridiem); - if (isPm && hour < 12) { - hour += 12; - } - if (!isPm && hour === 12) { - hour = 0; - } - return hour; - } else { - // thie is not supposed to happen - return hour; - } - } - /************************************ - Constructors - ************************************/ + /** + * Create the main frame for the Network. + * This function is executed once when a Network object is created. The frame + * contains a canvas, and this canvas contains all objects like the axis and + * nodes. + * @private + */ + Network.prototype._create = function () { + // remove all elements from the container element. + while (this.containerElement.hasChildNodes()) { + this.containerElement.removeChild(this.containerElement.firstChild); + } - function Locale() { - } + this.frame = document.createElement('div'); + this.frame.className = 'vis network-frame'; + this.frame.style.position = 'relative'; + this.frame.style.overflow = 'hidden'; - // Moment prototype object - function Moment(config, skipOverflow) { - if (skipOverflow !== false) { - checkOverflow(config); - } - copyConfig(this, config); - this._d = new Date(+config._d); - // Prevent infinite loop in case updateOffset creates new moment - // objects. - if (updateInProgress === false) { - updateInProgress = true; - moment.updateOffset(this); - updateInProgress = false; - } - } - // Duration Constructor - function Duration(duration) { - var normalizedInput = normalizeObjectUnits(duration), - years = normalizedInput.year || 0, - quarters = normalizedInput.quarter || 0, - months = normalizedInput.month || 0, - weeks = normalizedInput.week || 0, - days = normalizedInput.day || 0, - hours = normalizedInput.hour || 0, - minutes = normalizedInput.minute || 0, - seconds = normalizedInput.second || 0, - milliseconds = normalizedInput.millisecond || 0; + ////////////////////////////////////////////////////////////////// - // representation for dateAddRemove - this._milliseconds = +milliseconds + - seconds * 1e3 + // 1000 - minutes * 6e4 + // 1000 * 60 - hours * 36e5; // 1000 * 60 * 60 - // Because of dateAddRemove treats 24 hours as different from a - // day when working around DST, we need to store them separately - this._days = +days + - weeks * 7; - // It is impossible translate months into days without knowing - // which months you are are talking about, so we have to store - // it separately. - this._months = +months + - quarters * 3 + - years * 12; + this.frame.canvas = document.createElement("canvas"); + this.frame.canvas.style.position = 'relative'; + this.frame.appendChild(this.frame.canvas); - this._data = {}; + if (!this.frame.canvas.getContext) { + var noCanvas = document.createElement( 'DIV' ); + noCanvas.style.color = 'red'; + noCanvas.style.fontWeight = 'bold' ; + noCanvas.style.padding = '10px'; + noCanvas.innerHTML = 'Error: your browser does not support HTML canvas'; + this.frame.canvas.appendChild(noCanvas); + } + else { + var ctx = this.frame.canvas.getContext("2d"); + this.pixelRatio = (window.devicePixelRatio || 1) / (ctx.webkitBackingStorePixelRatio || + ctx.mozBackingStorePixelRatio || + ctx.msBackingStorePixelRatio || + ctx.oBackingStorePixelRatio || + ctx.backingStorePixelRatio || 1); - this._locale = moment.localeData(); + this.frame.canvas.getContext("2d").setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); + } + + ////////////////////////////////////////////////////////////////// + + + var me = this; + this.drag = {}; + this.pinch = {}; + this.hammer = Hammer(this.frame.canvas, { + prevent_default: true + }); + this.hammer.on('tap', me._onTap.bind(me) ); + this.hammer.on('doubletap', me._onDoubleTap.bind(me) ); + this.hammer.on('hold', me._onHold.bind(me) ); + this.hammer.on('pinch', me._onPinch.bind(me) ); + this.hammer.on('touch', me._onTouch.bind(me) ); + this.hammer.on('dragstart', me._onDragStart.bind(me) ); + this.hammer.on('drag', me._onDrag.bind(me) ); + this.hammer.on('dragend', me._onDragEnd.bind(me) ); + this.hammer.on('mousewheel',me._onMouseWheel.bind(me) ); + this.hammer.on('DOMMouseScroll',me._onMouseWheel.bind(me) ); // for FF + this.hammer.on('mousemove', me._onMouseMoveTitle.bind(me) ); + + this.hammerFrame = Hammer(this.frame, { + prevent_default: true + }); + this.hammerFrame.on('release', me._onRelease.bind(me) ); + + // add the frame to the container element + this.containerElement.appendChild(this.frame); + + }; + + + /** + * Binding the keys for keyboard navigation. These functions are defined in the NavigationMixin + * @private + */ + Network.prototype._createKeyBinds = function() { + var me = this; + if (this.keycharm !== undefined) { + this.keycharm.destroy(); + } + this.keycharm = keycharm(); + + this.keycharm.reset(); + + if (this.constants.keyboard.enabled && this.isActive()) { + this.keycharm.bind("up", this._moveUp.bind(me) , "keydown"); + this.keycharm.bind("up", this._yStopMoving.bind(me), "keyup"); + this.keycharm.bind("down", this._moveDown.bind(me) , "keydown"); + this.keycharm.bind("down", this._yStopMoving.bind(me), "keyup"); + this.keycharm.bind("left", this._moveLeft.bind(me) , "keydown"); + this.keycharm.bind("left", this._xStopMoving.bind(me), "keyup"); + this.keycharm.bind("right",this._moveRight.bind(me), "keydown"); + this.keycharm.bind("right",this._xStopMoving.bind(me), "keyup"); + this.keycharm.bind("=", this._zoomIn.bind(me), "keydown"); + this.keycharm.bind("=", this._stopZoom.bind(me), "keyup"); + this.keycharm.bind("num+", this._zoomIn.bind(me), "keydown"); + this.keycharm.bind("num+", this._stopZoom.bind(me), "keyup"); + this.keycharm.bind("num-", this._zoomOut.bind(me), "keydown"); + this.keycharm.bind("num-", this._stopZoom.bind(me), "keyup"); + this.keycharm.bind("-", this._zoomOut.bind(me), "keydown"); + this.keycharm.bind("-", this._stopZoom.bind(me), "keyup"); + this.keycharm.bind("[", this._zoomIn.bind(me), "keydown"); + this.keycharm.bind("[", this._stopZoom.bind(me), "keyup"); + this.keycharm.bind("]", this._zoomOut.bind(me), "keydown"); + this.keycharm.bind("]", this._stopZoom.bind(me), "keyup"); + this.keycharm.bind("pageup",this._zoomIn.bind(me), "keydown"); + this.keycharm.bind("pageup",this._stopZoom.bind(me), "keyup"); + this.keycharm.bind("pagedown",this._zoomOut.bind(me),"keydown"); + this.keycharm.bind("pagedown",this._stopZoom.bind(me), "keyup"); + } - this._bubble(); - } + if (this.constants.dataManipulation.enabled == true) { + this.keycharm.bind("esc",this._createManipulatorBar.bind(me)); + this.keycharm.bind("delete",this._deleteSelected.bind(me)); + } + }; - /************************************ - Helpers - ************************************/ + /** + * Cleans up all bindings of the network, removing it fully from the memory IF the variable is set to null after calling this function. + * var network = new vis.Network(..); + * network.destroy(); + * network = null; + */ + Network.prototype.destroy = function() { + this.start = function () {}; + this.redraw = function () {}; + this.timer = false; + // cleanup physicsConfiguration if it exists + this._cleanupPhysicsConfiguration(); - function extend(a, b) { - for (var i in b) { - if (hasOwnProp(b, i)) { - a[i] = b[i]; - } - } + // remove keybindings + this.keycharm.reset(); - if (hasOwnProp(b, 'toString')) { - a.toString = b.toString; - } + // clear hammer bindings + this.hammer.dispose(); - if (hasOwnProp(b, 'valueOf')) { - a.valueOf = b.valueOf; - } + // clear events + this.off(); - return a; - } + this._recursiveDOMDelete(this.containerElement); + } - function copyConfig(to, from) { - var i, prop, val; + Network.prototype._recursiveDOMDelete = function(DOMobject) { + while (DOMobject.hasChildNodes() == true) { + this._recursiveDOMDelete(DOMobject.firstChild); + DOMobject.removeChild(DOMobject.firstChild); + } + } - if (typeof from._isAMomentObject !== 'undefined') { - to._isAMomentObject = from._isAMomentObject; - } - if (typeof from._i !== 'undefined') { - to._i = from._i; - } - if (typeof from._f !== 'undefined') { - to._f = from._f; - } - if (typeof from._l !== 'undefined') { - to._l = from._l; - } - if (typeof from._strict !== 'undefined') { - to._strict = from._strict; - } - if (typeof from._tzm !== 'undefined') { - to._tzm = from._tzm; - } - if (typeof from._isUTC !== 'undefined') { - to._isUTC = from._isUTC; - } - if (typeof from._offset !== 'undefined') { - to._offset = from._offset; - } - if (typeof from._pf !== 'undefined') { - to._pf = from._pf; - } - if (typeof from._locale !== 'undefined') { - to._locale = from._locale; - } + /** + * Get the pointer location from a touch location + * @param {{pageX: Number, pageY: Number}} touch + * @return {{x: Number, y: Number}} pointer + * @private + */ + Network.prototype._getPointer = function (touch) { + return { + x: touch.pageX - util.getAbsoluteLeft(this.frame.canvas), + y: touch.pageY - util.getAbsoluteTop(this.frame.canvas) + }; + }; - if (momentProperties.length > 0) { - for (i in momentProperties) { - prop = momentProperties[i]; - val = from[prop]; - if (typeof val !== 'undefined') { - to[prop] = val; - } - } - } + /** + * On start of a touch gesture, store the pointer + * @param event + * @private + */ + Network.prototype._onTouch = function (event) { + if (new Date().valueOf() - this.touchTime > 100) { + this.drag.pointer = this._getPointer(event.gesture.center); + this.drag.pinched = false; + this.pinch.scale = this._getScale(); - return to; - } + // to avoid double fireing of this event because we have two hammer instances. (on canvas and on frame) + this.touchTime = new Date().valueOf(); - function absRound(number) { - if (number < 0) { - return Math.ceil(number); - } else { - return Math.floor(number); - } - } + this._handleTouch(this.drag.pointer); + } + }; - // left zero fill a number - // see http://jsperf.com/left-zero-filling for performance comparison - function leftZeroFill(number, targetLength, forceSign) { - var output = '' + Math.abs(number), - sign = number >= 0; + /** + * handle drag start event + * @private + */ + Network.prototype._onDragStart = function (event) { + this._handleDragStart(event); + }; - while (output.length < targetLength) { - output = '0' + output; - } - return (sign ? (forceSign ? '+' : '') : '-') + output; - } - function positiveMomentsDifference(base, other) { - var res = {milliseconds: 0, months: 0}; + /** + * This function is called by _onDragStart. + * It is separated out because we can then overload it for the datamanipulation system. + * + * @private + */ + Network.prototype._handleDragStart = function(event) { + // in case the touch event was triggered on an external div, do the initial touch now. + if (this.drag.pointer === undefined) { + this._onTouch(event); + } - res.months = other.month() - base.month() + - (other.year() - base.year()) * 12; - if (base.clone().add(res.months, 'M').isAfter(other)) { - --res.months; - } + var node = this._getNodeAt(this.drag.pointer); + // note: drag.pointer is set in _onTouch to get the initial touch location - res.milliseconds = +other - +(base.clone().add(res.months, 'M')); + this.drag.dragging = true; + this.drag.selection = []; + this.drag.translation = this._getTranslation(); + this.drag.nodeId = null; + this.draggingNodes = false; - return res; + if (node != null && this.constants.dragNodes == true) { + this.draggingNodes = true; + this.drag.nodeId = node.id; + // select the clicked node if not yet selected + if (!node.isSelected()) { + this._selectObject(node,false); } - function momentsDifference(base, other) { - var res; - other = makeAs(other, base); - if (base.isBefore(other)) { - res = positiveMomentsDifference(base, other); - } else { - res = positiveMomentsDifference(other, base); - res.milliseconds = -res.milliseconds; - res.months = -res.months; - } - - return res; - } + this.emit("dragStart",{nodeIds:this.getSelection().nodes}); - // TODO: remove 'name' arg after deprecation is removed - function createAdder(direction, name) { - return function (val, period) { - var dur, tmp; - //invert the arguments, but complain about it - if (period !== null && !isNaN(+period)) { - deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period).'); - tmp = val; val = period; period = tmp; - } + // create an array with the selected nodes and their original location and status + for (var objectId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(objectId)) { + var object = this.selectionObj.nodes[objectId]; + var s = { + id: object.id, + node: object, - val = typeof val === 'string' ? +val : val; - dur = moment.duration(val, period); - addOrSubtractDurationFromMoment(this, dur, direction); - return this; + // store original x, y, xFixed and yFixed, make the node temporarily Fixed + x: object.x, + y: object.y, + xFixed: object.xFixed, + yFixed: object.yFixed }; - } - function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) { - var milliseconds = duration._milliseconds, - days = duration._days, - months = duration._months; - updateOffset = updateOffset == null ? true : updateOffset; - - if (milliseconds) { - mom._d.setTime(+mom._d + milliseconds * isAdding); - } - if (days) { - rawSetter(mom, 'Date', rawGetter(mom, 'Date') + days * isAdding); - } - if (months) { - rawMonthSetter(mom, rawGetter(mom, 'Month') + months * isAdding); - } - if (updateOffset) { - moment.updateOffset(mom, days || months); - } - } + object.xFixed = true; + object.yFixed = true; - // check if is an array - function isArray(input) { - return Object.prototype.toString.call(input) === '[object Array]'; + this.drag.selection.push(s); + } } + } + }; - function isDate(input) { - return Object.prototype.toString.call(input) === '[object Date]' || - input instanceof Date; - } - // compare two arrays, return the number of differences - function compareArrays(array1, array2, dontConvert) { - var len = Math.min(array1.length, array2.length), - lengthDiff = Math.abs(array1.length - array2.length), - diffs = 0, - i; - for (i = 0; i < len; i++) { - if ((dontConvert && array1[i] !== array2[i]) || - (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) { - diffs++; - } - } - return diffs + lengthDiff; - } + /** + * handle drag event + * @private + */ + Network.prototype._onDrag = function (event) { + this._handleOnDrag(event) + }; - function normalizeUnits(units) { - if (units) { - var lowered = units.toLowerCase().replace(/(.)s$/, '$1'); - units = unitAliases[units] || camelFunctions[lowered] || lowered; - } - return units; - } - function normalizeObjectUnits(inputObject) { - var normalizedInput = {}, - normalizedProp, - prop; + /** + * This function is called by _onDrag. + * It is separated out because we can then overload it for the datamanipulation system. + * + * @private + */ + Network.prototype._handleOnDrag = function(event) { + if (this.drag.pinched) { + return; + } - for (prop in inputObject) { - if (hasOwnProp(inputObject, prop)) { - normalizedProp = normalizeUnits(prop); - if (normalizedProp) { - normalizedInput[normalizedProp] = inputObject[prop]; - } - } - } + // remove the focus on node if it is focussed on by the focusOnNode + this.releaseNode(); - return normalizedInput; - } + var pointer = this._getPointer(event.gesture.center); + var me = this; + var drag = this.drag; + var selection = drag.selection; + if (selection && selection.length && this.constants.dragNodes == true) { + // calculate delta's and new location + var deltaX = pointer.x - drag.pointer.x; + var deltaY = pointer.y - drag.pointer.y; - function makeList(field) { - var count, setter; + // update position of all selected nodes + selection.forEach(function (s) { + var node = s.node; - if (field.indexOf('week') === 0) { - count = 7; - setter = 'day'; - } - else if (field.indexOf('month') === 0) { - count = 12; - setter = 'month'; - } - else { - return; - } + if (!s.xFixed) { + node.x = me._XconvertDOMtoCanvas(me._XconvertCanvasToDOM(s.x) + deltaX); + } - moment[field] = function (format, index) { - var i, getter, - method = moment._locale[field], - results = []; + if (!s.yFixed) { + node.y = me._YconvertDOMtoCanvas(me._YconvertCanvasToDOM(s.y) + deltaY); + } + }); - if (typeof format === 'number') { - index = format; - format = undefined; - } - getter = function (i) { - var m = moment().utc().set(setter, i); - return method.call(moment._locale, m, format || ''); - }; + // start _animationStep if not yet running + if (!this.moving) { + this.moving = true; + this.start(); + } + } + else { + // move the network + if (this.constants.dragNetwork == true) { + // if the drag was not started properly because the click started outside the network div, start it now. + if (this.drag.pointer === undefined) { + this._handleDragStart(event); + return; + } + var diffX = pointer.x - this.drag.pointer.x; + var diffY = pointer.y - this.drag.pointer.y; - if (index != null) { - return getter(index); - } - else { - for (i = 0; i < count; i++) { - results.push(getter(i)); - } - return results; - } - }; + this._setTranslation( + this.drag.translation.x + diffX, + this.drag.translation.y + diffY + ); + this._redraw(); } + } + }; - function toInt(argumentForCoercion) { - var coercedNumber = +argumentForCoercion, - value = 0; + /** + * handle drag start event + * @private + */ + Network.prototype._onDragEnd = function (event) { + this._handleDragEnd(event); + }; - if (coercedNumber !== 0 && isFinite(coercedNumber)) { - if (coercedNumber >= 0) { - value = Math.floor(coercedNumber); - } else { - value = Math.ceil(coercedNumber); - } - } - return value; - } + Network.prototype._handleDragEnd = function(event) { + this.drag.dragging = false; + var selection = this.drag.selection; + if (selection && selection.length) { + selection.forEach(function (s) { + // restore original xFixed and yFixed + s.node.xFixed = s.xFixed; + s.node.yFixed = s.yFixed; + }); + this.moving = true; + this.start(); + } + else { + this._redraw(); + } + if (this.draggingNodes == false) { + this.emit("dragEnd",{nodeIds:[]}); + } + else { + this.emit("dragEnd",{nodeIds:this.getSelection().nodes}); + } - function daysInMonth(year, month) { - return new Date(Date.UTC(year, month + 1, 0)).getUTCDate(); - } + } + /** + * handle tap/click event: select/unselect a node + * @private + */ + Network.prototype._onTap = function (event) { + var pointer = this._getPointer(event.gesture.center); + this.pointerPosition = pointer; + this._handleTap(pointer); - function weeksInYear(year, dow, doy) { - return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week; - } + }; - function daysInYear(year) { - return isLeapYear(year) ? 366 : 365; - } - function isLeapYear(year) { - return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; - } + /** + * handle doubletap event + * @private + */ + Network.prototype._onDoubleTap = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleDoubleTap(pointer); + }; - function checkOverflow(m) { - var overflow; - if (m._a && m._pf.overflow === -2) { - overflow = - m._a[MONTH] < 0 || m._a[MONTH] > 11 ? MONTH : - m._a[DATE] < 1 || m._a[DATE] > daysInMonth(m._a[YEAR], m._a[MONTH]) ? DATE : - m._a[HOUR] < 0 || m._a[HOUR] > 24 || - (m._a[HOUR] === 24 && (m._a[MINUTE] !== 0 || - m._a[SECOND] !== 0 || - m._a[MILLISECOND] !== 0)) ? HOUR : - m._a[MINUTE] < 0 || m._a[MINUTE] > 59 ? MINUTE : - m._a[SECOND] < 0 || m._a[SECOND] > 59 ? SECOND : - m._a[MILLISECOND] < 0 || m._a[MILLISECOND] > 999 ? MILLISECOND : - -1; - if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { - overflow = DATE; - } + /** + * handle long tap event: multi select nodes + * @private + */ + Network.prototype._onHold = function (event) { + var pointer = this._getPointer(event.gesture.center); + this.pointerPosition = pointer; + this._handleOnHold(pointer); + }; + + /** + * handle the release of the screen + * + * @private + */ + Network.prototype._onRelease = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleOnRelease(pointer); + }; + + /** + * Handle pinch event + * @param event + * @private + */ + Network.prototype._onPinch = function (event) { + var pointer = this._getPointer(event.gesture.center); - m._pf.overflow = overflow; - } - } + this.drag.pinched = true; + if (!('scale' in this.pinch)) { + this.pinch.scale = 1; + } - function isValid(m) { - if (m._isValid == null) { - m._isValid = !isNaN(m._d.getTime()) && - m._pf.overflow < 0 && - !m._pf.empty && - !m._pf.invalidMonth && - !m._pf.nullInput && - !m._pf.invalidFormat && - !m._pf.userInvalidated; + // TODO: enabled moving while pinching? + var scale = this.pinch.scale * event.gesture.scale; + this._zoom(scale, pointer) + }; - if (m._strict) { - m._isValid = m._isValid && - m._pf.charsLeftOver === 0 && - m._pf.unusedTokens.length === 0 && - m._pf.bigHour === undefined; - } - } - return m._isValid; + /** + * Zoom the network in or out + * @param {Number} scale a number around 1, and between 0.01 and 10 + * @param {{x: Number, y: Number}} pointer Position on screen + * @return {Number} appliedScale scale is limited within the boundaries + * @private + */ + Network.prototype._zoom = function(scale, pointer) { + if (this.constants.zoomable == true) { + var scaleOld = this._getScale(); + if (scale < 0.00001) { + scale = 0.00001; } - - function normalizeLocale(key) { - return key ? key.toLowerCase().replace('_', '-') : key; + if (scale > 10) { + scale = 10; } - // pick the locale from the array - // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each - // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root - function chooseLocale(names) { - var i = 0, j, next, locale, split; - - while (i < names.length) { - split = normalizeLocale(names[i]).split('-'); - j = split.length; - next = normalizeLocale(names[i + 1]); - next = next ? next.split('-') : null; - while (j > 0) { - locale = loadLocale(split.slice(0, j).join('-')); - if (locale) { - return locale; - } - if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { - //the next array item is better than a shallower substring of this one - break; - } - j--; - } - i++; - } - return null; + var preScaleDragPointer = null; + if (this.drag !== undefined) { + if (this.drag.dragging == true) { + preScaleDragPointer = this.DOMtoCanvas(this.drag.pointer); + } } + // + this.frame.canvas.clientHeight / 2 + var translation = this._getTranslation(); - function loadLocale(name) { - var oldLocale = null; - if (!locales[name] && hasModule) { - try { - oldLocale = moment.locale(); - !(function webpackMissingModule() { var e = new Error("Cannot find module \"./locale\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()); - // because defineLocale currently also sets the global locale, we want to undo that for lazy loaded locales - moment.locale(oldLocale); - } catch (e) { } - } - return locales[name]; - } + var scaleFrac = scale / scaleOld; + var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; + var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac; - // Return a moment from input, that is local/utc/utcOffset equivalent to - // model. - function makeAs(input, model) { - var res, diff; - if (model._isUTC) { - res = model.clone(); - diff = (moment.isMoment(input) || isDate(input) ? - +input : +moment(input)) - (+res); - // Use low-level api, because this fn is low-level api. - res._d.setTime(+res._d + diff); - moment.updateOffset(res, false); - return res; - } else { - return moment(input).local(); - } - } + this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), + "y" : this._YconvertDOMtoCanvas(pointer.y)}; - /************************************ - Locale - ************************************/ + this._setScale(scale); + this._setTranslation(tx, ty); + this.updateClustersDefault(); + if (preScaleDragPointer != null) { + var postScaleDragPointer = this.canvasToDOM(preScaleDragPointer); + this.drag.pointer.x = postScaleDragPointer.x; + this.drag.pointer.y = postScaleDragPointer.y; + } - extend(Locale.prototype, { + this._redraw(); - set : function (config) { - var prop, i; - for (i in config) { - prop = config[i]; - if (typeof prop === 'function') { - this[i] = prop; - } else { - this['_' + i] = prop; - } - } - // Lenient ordinal parsing accepts just a number in addition to - // number + (possibly) stuff coming from _ordinalParseLenient. - this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + /\d{1,2}/.source); - }, + if (scaleOld < scale) { + this.emit("zoom", {direction:"+"}); + } + else { + this.emit("zoom", {direction:"-"}); + } - _months : 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'), - months : function (m) { - return this._months[m.month()]; - }, + return scale; + } + }; - _monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'), - monthsShort : function (m) { - return this._monthsShort[m.month()]; - }, - monthsParse : function (monthName, format, strict) { - var i, mom, regex; + /** + * Event handler for mouse wheel event, used to zoom the timeline + * See http://adomas.org/javascript-mouse-wheel/ + * https://github.com/EightMedia/hammer.js/issues/256 + * @param {MouseEvent} event + * @private + */ + Network.prototype._onMouseWheel = function(event) { + // retrieve delta + var delta = 0; + if (event.wheelDelta) { /* IE/Opera. */ + delta = event.wheelDelta/120; + } else if (event.detail) { /* Mozilla case. */ + // In Mozilla, sign of delta is different than in IE. + // Also, delta is multiple of 3. + delta = -event.detail/3; + } - if (!this._monthsParse) { - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - } + // If delta is nonzero, handle it. + // Basically, delta is now positive if wheel was scrolled up, + // and negative, if wheel was scrolled down. + if (delta) { - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - mom = moment.utc([2000, i]); - if (strict && !this._longMonthsParse[i]) { - this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i'); - this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i'); - } - if (!strict && !this._monthsParse[i]) { - regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); - this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) { - return i; - } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) { - return i; - } else if (!strict && this._monthsParse[i].test(monthName)) { - return i; - } - } - }, + // calculate the new scale + var scale = this._getScale(); + var zoom = delta / 10; + if (delta < 0) { + zoom = zoom / (1 - zoom); + } + scale *= (1 + zoom); - _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'), - weekdays : function (m) { - return this._weekdays[m.day()]; - }, + // calculate the pointer location + var gesture = hammerUtil.fakeGesture(this, event); + var pointer = this._getPointer(gesture.center); - _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'), - weekdaysShort : function (m) { - return this._weekdaysShort[m.day()]; - }, + // apply the new scale + this._zoom(scale, pointer); + } - _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'), - weekdaysMin : function (m) { - return this._weekdaysMin[m.day()]; - }, + // Prevent default actions caused by mouse wheel. + event.preventDefault(); + }; - weekdaysParse : function (weekdayName) { - var i, mom, regex; - if (!this._weekdaysParse) { - this._weekdaysParse = []; - } + /** + * Mouse move handler for checking whether the title moves over a node with a title. + * @param {Event} event + * @private + */ + Network.prototype._onMouseMoveTitle = function (event) { + var gesture = hammerUtil.fakeGesture(this, event); + var pointer = this._getPointer(gesture.center); - for (i = 0; i < 7; i++) { - // make the regex if we don't have it already - if (!this._weekdaysParse[i]) { - mom = moment([2000, 1]).day(i); - regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, ''); - this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (this._weekdaysParse[i].test(weekdayName)) { - return i; - } - } - }, + // check if the previously selected node is still selected + if (this.popupObj) { + this._checkHidePopup(pointer); + } - _longDateFormat : { - LTS : 'h:mm:ss A', - LT : 'h:mm A', - L : 'MM/DD/YYYY', - LL : 'MMMM D, YYYY', - LLL : 'MMMM D, YYYY LT', - LLLL : 'dddd, MMMM D, YYYY LT' - }, - longDateFormat : function (key) { - var output = this._longDateFormat[key]; - if (!output && this._longDateFormat[key.toUpperCase()]) { - output = this._longDateFormat[key.toUpperCase()].replace(/MMMM|MM|DD|dddd/g, function (val) { - return val.slice(1); - }); - this._longDateFormat[key] = output; - } - return output; - }, + // start a timeout that will check if the mouse is positioned above + // an element + var me = this; + var checkShow = function() { + me._checkShowPopup(pointer); + }; + if (this.popupTimer) { + clearInterval(this.popupTimer); // stop any running calculationTimer + } + if (!this.drag.dragging) { + this.popupTimer = setTimeout(checkShow, this.constants.tooltip.delay); + } - isPM : function (input) { - // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays - // Using charAt should be more compatible. - return ((input + '').toLowerCase().charAt(0) === 'p'); - }, - _meridiemParse : /[ap]\.?m?\.?/i, - meridiem : function (hours, minutes, isLower) { - if (hours > 11) { - return isLower ? 'pm' : 'PM'; - } else { - return isLower ? 'am' : 'AM'; - } - }, + /** + * Adding hover highlights + */ + if (this.constants.hover == true) { + // removing all hover highlights + for (var edgeId in this.hoverObj.edges) { + if (this.hoverObj.edges.hasOwnProperty(edgeId)) { + this.hoverObj.edges[edgeId].hover = false; + delete this.hoverObj.edges[edgeId]; + } + } + // adding hover highlights + var obj = this._getNodeAt(pointer); + if (obj == null) { + obj = this._getEdgeAt(pointer); + } + if (obj != null) { + this._hoverObject(obj); + } - _calendar : { - sameDay : '[Today at] LT', - nextDay : '[Tomorrow at] LT', - nextWeek : 'dddd [at] LT', - lastDay : '[Yesterday at] LT', - lastWeek : '[Last] dddd [at] LT', - sameElse : 'L' - }, - calendar : function (key, mom, now) { - var output = this._calendar[key]; - return typeof output === 'function' ? output.apply(mom, [now]) : output; - }, + // removing all node hover highlights except for the selected one. + for (var nodeId in this.hoverObj.nodes) { + if (this.hoverObj.nodes.hasOwnProperty(nodeId)) { + if (obj instanceof Node && obj.id != nodeId || obj instanceof Edge || obj == null) { + this._blurObject(this.hoverObj.nodes[nodeId]); + delete this.hoverObj.nodes[nodeId]; + } + } + } + this.redraw(); + } + }; - _relativeTime : { - future : 'in %s', - past : '%s ago', - s : 'a few seconds', - m : 'a minute', - mm : '%d minutes', - h : 'an hour', - hh : '%d hours', - d : 'a day', - dd : '%d days', - M : 'a month', - MM : '%d months', - y : 'a year', - yy : '%d years' - }, + /** + * Check if there is an element on the given position in the network + * (a node or edge). If so, and if this element has a title, + * show a popup window with its title. + * + * @param {{x:Number, y:Number}} pointer + * @private + */ + Network.prototype._checkShowPopup = function (pointer) { + var obj = { + left: this._XconvertDOMtoCanvas(pointer.x), + top: this._YconvertDOMtoCanvas(pointer.y), + right: this._XconvertDOMtoCanvas(pointer.x), + bottom: this._YconvertDOMtoCanvas(pointer.y) + }; - relativeTime : function (number, withoutSuffix, string, isFuture) { - var output = this._relativeTime[string]; - return (typeof output === 'function') ? - output(number, withoutSuffix, string, isFuture) : - output.replace(/%d/i, number); - }, + var id; + var lastPopupNode = this.popupObj; + var nodeUnderCursor = false; - pastFuture : function (diff, output) { - var format = this._relativeTime[diff > 0 ? 'future' : 'past']; - return typeof format === 'function' ? format(output) : format.replace(/%s/i, output); - }, + if (this.popupObj == undefined) { + // search the nodes for overlap, select the top one in case of multiple nodes + var nodes = this.nodes; + var overlappingNodes = []; + for (id in nodes) { + if (nodes.hasOwnProperty(id)) { + var node = nodes[id]; + if (node.isOverlappingWith(obj)) { + if (node.getTitle() !== undefined) { + overlappingNodes.push(id); + } + } + } + } - ordinal : function (number) { - return this._ordinal.replace('%d', number); - }, - _ordinal : '%d', - _ordinalParse : /\d{1,2}/, + if (overlappingNodes.length > 0) { + // if there are overlapping nodes, select the last one, this is the + // one which is drawn on top of the others + this.popupObj = this.nodes[overlappingNodes[overlappingNodes.length - 1]]; + // if you hover over a node, the title of the edge is not supposed to be shown. + nodeUnderCursor = true; + } + } - preparse : function (string) { - return string; - }, + if (this.popupObj === undefined && nodeUnderCursor == false) { + // search the edges for overlap + var edges = this.edges; + var overlappingEdges = []; + for (id in edges) { + if (edges.hasOwnProperty(id)) { + var edge = edges[id]; + if (edge.connected && (edge.getTitle() !== undefined) && + edge.isOverlappingWith(obj)) { + overlappingEdges.push(id); + } + } + } - postformat : function (string) { - return string; - }, + if (overlappingEdges.length > 0) { + this.popupObj = this.edges[overlappingEdges[overlappingEdges.length - 1]]; + } + } - week : function (mom) { - return weekOfYear(mom, this._week.dow, this._week.doy).week; - }, + if (this.popupObj) { + // show popup message window + if (this.popupObj != lastPopupNode) { + var me = this; + if (!me.popup) { + me.popup = new Popup(me.frame, me.constants.tooltip); + } - _week : { - dow : 0, // Sunday is the first day of the week. - doy : 6 // The week that contains Jan 1st is the first week of the year. - }, + // adjust a small offset such that the mouse cursor is located in the + // bottom left location of the popup, and you can easily move over the + // popup area + me.popup.setPosition(pointer.x - 3, pointer.y - 3); + me.popup.setText(me.popupObj.getTitle()); + me.popup.show(); + } + } + else { + if (this.popup) { + this.popup.hide(); + } + } + }; - firstDayOfWeek : function () { - return this._week.dow; - }, - firstDayOfYear : function () { - return this._week.doy; - }, + /** + * Check if the popup must be hided, which is the case when the mouse is no + * longer hovering on the object + * @param {{x:Number, y:Number}} pointer + * @private + */ + Network.prototype._checkHidePopup = function (pointer) { + if (!this.popupObj || !this._getNodeAt(pointer) ) { + this.popupObj = undefined; + if (this.popup) { + this.popup.hide(); + } + } + }; - _invalidDate: 'Invalid date', - invalidDate: function () { - return this._invalidDate; - } - }); - /************************************ - Formatting - ************************************/ + /** + * Set a new size for the network + * @param {string} width Width in pixels or percentage (for example '800px' + * or '50%') + * @param {string} height Height in pixels or percentage (for example '400px' + * or '30%') + */ + Network.prototype.setSize = function(width, height) { + var emitEvent = false; + var oldWidth = this.frame.canvas.width; + var oldHeight = this.frame.canvas.height; + if (width != this.constants.width || height != this.constants.height || this.frame.style.width != width || this.frame.style.height != height) { + this.frame.style.width = width; + this.frame.style.height = height; + this.frame.canvas.style.width = '100%'; + this.frame.canvas.style.height = '100%'; - function removeFormattingTokens(input) { - if (input.match(/\[[\s\S]/)) { - return input.replace(/^\[|\]$/g, ''); - } - return input.replace(/\\/g, ''); - } + this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; + this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; - function makeFormatFunction(format) { - var array = format.match(formattingTokens), i, length; + this.constants.width = width; + this.constants.height = height; - for (i = 0, length = array.length; i < length; i++) { - if (formatTokenFunctions[array[i]]) { - array[i] = formatTokenFunctions[array[i]]; - } else { - array[i] = removeFormattingTokens(array[i]); - } - } + emitEvent = true; + } + else { + // this would adapt the width of the canvas to the width from 100% if and only if + // there is a change. - return function (mom) { - var output = ''; - for (i = 0; i < length; i++) { - output += array[i] instanceof Function ? array[i].call(mom, format) : array[i]; - } - return output; - }; + if (this.frame.canvas.width != this.frame.canvas.clientWidth * this.pixelRatio) { + this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; + emitEvent = true; + } + if (this.frame.canvas.height != this.frame.canvas.clientHeight * this.pixelRatio) { + this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; + emitEvent = true; } + } - // format date using native date object - function formatMoment(m, format) { - if (!m.isValid()) { - return m.localeData().invalidDate(); - } + if (emitEvent == true) { + this.emit('resize', {width:this.frame.canvas.width * this.pixelRatio,height:this.frame.canvas.height * this.pixelRatio, oldWidth: oldWidth * this.pixelRatio, oldHeight: oldHeight * this.pixelRatio}); + } + }; - format = expandFormat(format, m.localeData()); + /** + * Set a data set with nodes for the network + * @param {Array | DataSet | DataView} nodes The data containing the nodes. + * @private + */ + Network.prototype._setNodes = function(nodes) { + var oldNodesData = this.nodesData; - if (!formatFunctions[format]) { - formatFunctions[format] = makeFormatFunction(format); - } + if (nodes instanceof DataSet || nodes instanceof DataView) { + this.nodesData = nodes; + } + else if (Array.isArray(nodes)) { + this.nodesData = new DataSet(); + this.nodesData.add(nodes); + } + else if (!nodes) { + this.nodesData = new DataSet(); + } + else { + throw new TypeError('Array or DataSet expected'); + } - return formatFunctions[format](m); - } + if (oldNodesData) { + // unsubscribe from old dataset + util.forEach(this.nodesListeners, function (callback, event) { + oldNodesData.off(event, callback); + }); + } - function expandFormat(format, locale) { - var i = 5; + // remove drawn nodes + this.nodes = {}; - function replaceLongDateFormatTokens(input) { - return locale.longDateFormat(input) || input; - } + if (this.nodesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.nodesListeners, function (callback, event) { + me.nodesData.on(event, callback); + }); - localFormattingTokens.lastIndex = 0; - while (i >= 0 && localFormattingTokens.test(format)) { - format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); - localFormattingTokens.lastIndex = 0; - i -= 1; - } + // draw all new nodes + var ids = this.nodesData.getIds(); + this._addNodes(ids); + } + this._updateSelection(); + }; - return format; + /** + * Add nodes + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._addNodes = function(ids) { + var id; + for (var i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + var data = this.nodesData.get(id); + var node = new Node(data, this.images, this.groups, this.constants); + this.nodes[id] = node; // note: this may replace an existing node + if ((node.xFixed == false || node.yFixed == false) && (node.x === null || node.y === null)) { + var radius = 10 * 0.1*ids.length + 10; + var angle = 2 * Math.PI * Math.random(); + if (node.xFixed == false) {node.x = radius * Math.cos(angle);} + if (node.yFixed == false) {node.y = radius * Math.sin(angle);} } + this.moving = true; + } + this._updateNodeIndexList(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); + this._reconnectEdges(); + this._updateValueRange(this.nodes); + this.updateLabels(); + }; - /************************************ - Parsing - ************************************/ - - - // get the regex to find the next token - function getParseRegexForToken(token, config) { - var a, strict = config._strict; - switch (token) { - case 'Q': - return parseTokenOneDigit; - case 'DDDD': - return parseTokenThreeDigits; - case 'YYYY': - case 'GGGG': - case 'gggg': - return strict ? parseTokenFourDigits : parseTokenOneToFourDigits; - case 'Y': - case 'G': - case 'g': - return parseTokenSignedNumber; - case 'YYYYYY': - case 'YYYYY': - case 'GGGGG': - case 'ggggg': - return strict ? parseTokenSixDigits : parseTokenOneToSixDigits; - case 'S': - if (strict) { - return parseTokenOneDigit; - } - /* falls through */ - case 'SS': - if (strict) { - return parseTokenTwoDigits; - } - /* falls through */ - case 'SSS': - if (strict) { - return parseTokenThreeDigits; - } - /* falls through */ - case 'DDD': - return parseTokenOneToThreeDigits; - case 'MMM': - case 'MMMM': - case 'dd': - case 'ddd': - case 'dddd': - return parseTokenWord; - case 'a': - case 'A': - return config._locale._meridiemParse; - case 'x': - return parseTokenOffsetMs; - case 'X': - return parseTokenTimestampMs; - case 'Z': - case 'ZZ': - return parseTokenTimezone; - case 'T': - return parseTokenT; - case 'SSSS': - return parseTokenDigits; - case 'MM': - case 'DD': - case 'YY': - case 'GG': - case 'gg': - case 'HH': - case 'hh': - case 'mm': - case 'ss': - case 'ww': - case 'WW': - return strict ? parseTokenTwoDigits : parseTokenOneOrTwoDigits; - case 'M': - case 'D': - case 'd': - case 'H': - case 'h': - case 'm': - case 's': - case 'w': - case 'W': - case 'e': - case 'E': - return parseTokenOneOrTwoDigits; - case 'Do': - return strict ? config._locale._ordinalParse : config._locale._ordinalParseLenient; - default : - a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), 'i')); - return a; - } + /** + * Update existing nodes, or create them when not yet existing + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._updateNodes = function(ids,changedData) { + var nodes = this.nodes; + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; + var node = nodes[id]; + var data = changedData[i]; + if (node) { + // update node + node.setProperties(data, this.constants); + } + else { + // create node + node = new Node(properties, this.images, this.groups, this.constants); + nodes[id] = node; } + } + this.moving = true; + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateNodeIndexList(); + this._updateValueRange(nodes); + }; - function utcOffsetFromString(string) { - string = string || ''; - var possibleTzMatches = (string.match(parseTokenTimezone) || []), - tzChunk = possibleTzMatches[possibleTzMatches.length - 1] || [], - parts = (tzChunk + '').match(parseTimezoneChunker) || ['-', 0, 0], - minutes = +(parts[1] * 60) + toInt(parts[2]); + /** + * Remove existing nodes. If nodes do not exist, the method will just ignore it. + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._removeNodes = function(ids) { + var nodes = this.nodes; + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; + delete nodes[id]; + } + this._updateNodeIndexList(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); + this._reconnectEdges(); + this._updateSelection(); + this._updateValueRange(nodes); + }; - return parts[0] === '+' ? minutes : -minutes; - } + /** + * Load edges by reading the data table + * @param {Array | DataSet | DataView} edges The data containing the edges. + * @private + * @private + */ + Network.prototype._setEdges = function(edges) { + var oldEdgesData = this.edgesData; - // function to convert string input to date - function addTimeToArrayFromToken(token, input, config) { - var a, datePartArray = config._a; + if (edges instanceof DataSet || edges instanceof DataView) { + this.edgesData = edges; + } + else if (Array.isArray(edges)) { + this.edgesData = new DataSet(); + this.edgesData.add(edges); + } + else if (!edges) { + this.edgesData = new DataSet(); + } + else { + throw new TypeError('Array or DataSet expected'); + } - switch (token) { - // QUARTER - case 'Q': - if (input != null) { - datePartArray[MONTH] = (toInt(input) - 1) * 3; - } - break; - // MONTH - case 'M' : // fall through to MM - case 'MM' : - if (input != null) { - datePartArray[MONTH] = toInt(input) - 1; - } - break; - case 'MMM' : // fall through to MMMM - case 'MMMM' : - a = config._locale.monthsParse(input, token, config._strict); - // if we didn't find a month name, mark the date as invalid. - if (a != null) { - datePartArray[MONTH] = a; - } else { - config._pf.invalidMonth = input; - } - break; - // DAY OF MONTH - case 'D' : // fall through to DD - case 'DD' : - if (input != null) { - datePartArray[DATE] = toInt(input); - } - break; - case 'Do' : - if (input != null) { - datePartArray[DATE] = toInt(parseInt( - input.match(/\d{1,2}/)[0], 10)); - } - break; - // DAY OF YEAR - case 'DDD' : // fall through to DDDD - case 'DDDD' : - if (input != null) { - config._dayOfYear = toInt(input); - } + if (oldEdgesData) { + // unsubscribe from old dataset + util.forEach(this.edgesListeners, function (callback, event) { + oldEdgesData.off(event, callback); + }); + } - break; - // YEAR - case 'YY' : - datePartArray[YEAR] = moment.parseTwoDigitYear(input); - break; - case 'YYYY' : - case 'YYYYY' : - case 'YYYYYY' : - datePartArray[YEAR] = toInt(input); - break; - // AM / PM - case 'a' : // fall through to A - case 'A' : - config._meridiem = input; - // config._isPm = config._locale.isPM(input); - break; - // HOUR - case 'h' : // fall through to hh - case 'hh' : - config._pf.bigHour = true; - /* falls through */ - case 'H' : // fall through to HH - case 'HH' : - datePartArray[HOUR] = toInt(input); - break; - // MINUTE - case 'm' : // fall through to mm - case 'mm' : - datePartArray[MINUTE] = toInt(input); - break; - // SECOND - case 's' : // fall through to ss - case 'ss' : - datePartArray[SECOND] = toInt(input); - break; - // MILLISECOND - case 'S' : - case 'SS' : - case 'SSS' : - case 'SSSS' : - datePartArray[MILLISECOND] = toInt(('0.' + input) * 1000); - break; - // UNIX OFFSET (MILLISECONDS) - case 'x': - config._d = new Date(toInt(input)); - break; - // UNIX TIMESTAMP WITH MS - case 'X': - config._d = new Date(parseFloat(input) * 1000); - break; - // TIMEZONE - case 'Z' : // fall through to ZZ - case 'ZZ' : - config._useUTC = true; - config._tzm = utcOffsetFromString(input); - break; - // WEEKDAY - human - case 'dd': - case 'ddd': - case 'dddd': - a = config._locale.weekdaysParse(input); - // if we didn't get a weekday name, mark the date as invalid - if (a != null) { - config._w = config._w || {}; - config._w['d'] = a; - } else { - config._pf.invalidWeekday = input; - } - break; - // WEEK, WEEK DAY - numeric - case 'w': - case 'ww': - case 'W': - case 'WW': - case 'd': - case 'e': - case 'E': - token = token.substr(0, 1); - /* falls through */ - case 'gggg': - case 'GGGG': - case 'GGGGG': - token = token.substr(0, 2); - if (input) { - config._w = config._w || {}; - config._w[token] = toInt(input); - } - break; - case 'gg': - case 'GG': - config._w = config._w || {}; - config._w[token] = moment.parseTwoDigitYear(input); - } - } + // remove drawn edges + this.edges = {}; - function dayOfYearFromWeekInfo(config) { - var w, weekYear, week, weekday, dow, doy, temp; + if (this.edgesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.edgesListeners, function (callback, event) { + me.edgesData.on(event, callback); + }); - w = config._w; - if (w.GG != null || w.W != null || w.E != null) { - dow = 1; - doy = 4; + // draw all new nodes + var ids = this.edgesData.getIds(); + this._addEdges(ids); + } - // TODO: We need to take the current isoWeekYear, but that depends on - // how we interpret now (local, utc, fixed offset). So create - // a now version of current config (take local/utc/offset flags, and - // create now). - weekYear = dfl(w.GG, config._a[YEAR], weekOfYear(moment(), 1, 4).year); - week = dfl(w.W, 1); - weekday = dfl(w.E, 1); - } else { - dow = config._locale._week.dow; - doy = config._locale._week.doy; + this._reconnectEdges(); + }; - weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year); - week = dfl(w.w, 1); + /** + * Add edges + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._addEdges = function (ids) { + var edges = this.edges, + edgesData = this.edgesData; - if (w.d != null) { - // weekday -- low day numbers are considered next week - weekday = w.d; - if (weekday < dow) { - ++week; - } - } else if (w.e != null) { - // local weekday -- counting starts from begining of week - weekday = w.e + dow; - } else { - // default to begining of week - weekday = dow; - } - } - temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow); + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; - config._a[YEAR] = temp.year; - config._dayOfYear = temp.dayOfYear; + var oldEdge = edges[id]; + if (oldEdge) { + oldEdge.disconnect(); } - // convert an array to a date. - // the array should mirror the parameters below - // note: all values past the year are optional and will default to the lowest possible value. - // [year, month, day , hour, minute, second, millisecond] - function dateFromConfig(config) { - var i, date, input = [], currentDate, yearToUse; - - if (config._d) { - return; - } + var data = edgesData.get(id, {"showInternalIds" : true}); + edges[id] = new Edge(data, this, this.constants); + } + this.moving = true; + this._updateValueRange(edges); + this._createBezierNodes(); + this._updateCalculationNodes(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + }; - currentDate = currentDateArray(config); + /** + * Update existing edges, or create them when not yet existing + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._updateEdges = function (ids) { + var edges = this.edges, + edgesData = this.edgesData; + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; - //compute day of the year from weeks and weekdays - if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { - dayOfYearFromWeekInfo(config); - } + var data = edgesData.get(id); + var edge = edges[id]; + if (edge) { + // update edge + edge.disconnect(); + edge.setProperties(data, this.constants); + edge.connect(); + } + else { + // create edge + edge = new Edge(data, this, this.constants); + this.edges[id] = edge; + } + } - //if the day of the year is set, figure out what it is - if (config._dayOfYear) { - yearToUse = dfl(config._a[YEAR], currentDate[YEAR]); + this._createBezierNodes(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this.moving = true; + this._updateValueRange(edges); + }; - if (config._dayOfYear > daysInYear(yearToUse)) { - config._pf._overflowDayOfYear = true; - } + /** + * Remove existing edges. Non existing ids will be ignored + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._removeEdges = function (ids) { + var edges = this.edges; + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; + var edge = edges[id]; + if (edge) { + if (edge.via != null) { + delete this.sectors['support']['nodes'][edge.via.id]; + } + edge.disconnect(); + delete edges[id]; + } + } - date = makeUTCDate(yearToUse, 0, config._dayOfYear); - config._a[MONTH] = date.getUTCMonth(); - config._a[DATE] = date.getUTCDate(); - } + this.moving = true; + this._updateValueRange(edges); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); + }; - // Default to current date. - // * if no year, month, day of month are given, default to today - // * if day of month is given, default month and year - // * if month is given, default only year - // * if year is given, don't default anything - for (i = 0; i < 3 && config._a[i] == null; ++i) { - config._a[i] = input[i] = currentDate[i]; - } + /** + * Reconnect all edges + * @private + */ + Network.prototype._reconnectEdges = function() { + var id, + nodes = this.nodes, + edges = this.edges; + for (id in nodes) { + if (nodes.hasOwnProperty(id)) { + nodes[id].edges = []; + nodes[id].dynamicEdges = []; + } + } - // Zero out whatever was not defaulted, including time - for (; i < 7; i++) { - config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i]; - } + for (id in edges) { + if (edges.hasOwnProperty(id)) { + var edge = edges[id]; + edge.from = null; + edge.to = null; + edge.connect(); + } + } + }; - // Check for 24:00:00.000 - if (config._a[HOUR] === 24 && - config._a[MINUTE] === 0 && - config._a[SECOND] === 0 && - config._a[MILLISECOND] === 0) { - config._nextDay = true; - config._a[HOUR] = 0; - } + /** + * Update the values of all object in the given array according to the current + * value range of the objects in the array. + * @param {Object} obj An object containing a set of Edges or Nodes + * The objects must have a method getValue() and + * setValueRange(min, max). + * @private + */ + Network.prototype._updateValueRange = function(obj) { + var id; - config._d = (config._useUTC ? makeUTCDate : makeDate).apply(null, input); - // Apply timezone offset from input. The actual utcOffset can be changed - // with parseZone. - if (config._tzm != null) { - config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); - } + // determine the range of the objects + var valueMin = undefined; + var valueMax = undefined; + for (id in obj) { + if (obj.hasOwnProperty(id)) { + var value = obj[id].getValue(); + if (value !== undefined) { + valueMin = (valueMin === undefined) ? value : Math.min(value, valueMin); + valueMax = (valueMax === undefined) ? value : Math.max(value, valueMax); + } + } + } - if (config._nextDay) { - config._a[HOUR] = 24; - } + // adjust the range of all objects + if (valueMin !== undefined && valueMax !== undefined) { + for (id in obj) { + if (obj.hasOwnProperty(id)) { + obj[id].setValueRange(valueMin, valueMax); + } } + } + }; - function dateFromObject(config) { - var normalizedInput; + /** + * Redraw the network with the current data + * chart will be resized too. + */ + Network.prototype.redraw = function() { + this.setSize(this.constants.width, this.constants.height); + this._redraw(); + }; - if (config._d) { - return; - } + /** + * Redraw the network with the current data + * @param hidden | used to get the first estimate of the node sizes. only the nodes are drawn after which they are quickly drawn over. + * @private + */ + Network.prototype._redraw = function(hidden) { + var ctx = this.frame.canvas.getContext('2d'); - normalizedInput = normalizeObjectUnits(config._i); - config._a = [ - normalizedInput.year, - normalizedInput.month, - normalizedInput.day || normalizedInput.date, - normalizedInput.hour, - normalizedInput.minute, - normalizedInput.second, - normalizedInput.millisecond - ]; + ctx.setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); - dateFromConfig(config); - } + // clear the canvas + var w = this.frame.canvas.width * this.pixelRatio; + var h = this.frame.canvas.height * this.pixelRatio; + ctx.clearRect(0, 0, w, h); - function currentDateArray(config) { - var now = new Date(); - if (config._useUTC) { - return [ - now.getUTCFullYear(), - now.getUTCMonth(), - now.getUTCDate() - ]; - } else { - return [now.getFullYear(), now.getMonth(), now.getDate()]; - } + // set scaling and translation + ctx.save(); + ctx.translate(this.translation.x, this.translation.y); + ctx.scale(this.scale, this.scale); + + this.canvasTopLeft = { + "x": this._XconvertDOMtoCanvas(0), + "y": this._YconvertDOMtoCanvas(0) + }; + this.canvasBottomRight = { + "x": this._XconvertDOMtoCanvas(this.frame.canvas.clientWidth * this.pixelRatio), + "y": this._YconvertDOMtoCanvas(this.frame.canvas.clientHeight * this.pixelRatio) + }; + + if (!(hidden == true)) { + this._doInAllSectors("_drawAllSectorNodes", ctx); + if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideEdgesOnDrag == false) { + this._doInAllSectors("_drawEdges", ctx); } + } - // date from string and format string - function makeDateFromStringAndFormat(config) { - if (config._f === moment.ISO_8601) { - parseISO(config); - return; - } + if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideNodesOnDrag == false) { + this._doInAllSectors("_drawNodes",ctx,false); + } - config._a = []; - config._pf.empty = true; + if (!(hidden == true)) { + if (this.controlNodesActive == true) { + this._doInAllSectors("_drawControlNodes", ctx); + } + } - // This array is used to make a Date, either with `new Date` or `Date.UTC` - var string = '' + config._i, - i, parsedInput, tokens, token, skipped, - stringLength = string.length, - totalParsedInputLength = 0; + // this._doInSupportSector("_drawNodes",ctx,true); + // this._drawTree(ctx,"#F00F0F"); - tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; + // restore original scaling and translation + ctx.restore(); - for (i = 0; i < tokens.length; i++) { - token = tokens[i]; - parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0]; - if (parsedInput) { - skipped = string.substr(0, string.indexOf(parsedInput)); - if (skipped.length > 0) { - config._pf.unusedInput.push(skipped); - } - string = string.slice(string.indexOf(parsedInput) + parsedInput.length); - totalParsedInputLength += parsedInput.length; - } - // don't parse if it's not a known token - if (formatTokenFunctions[token]) { - if (parsedInput) { - config._pf.empty = false; - } - else { - config._pf.unusedTokens.push(token); - } - addTimeToArrayFromToken(token, parsedInput, config); - } - else if (config._strict && !parsedInput) { - config._pf.unusedTokens.push(token); - } - } + if (hidden == true) { + ctx.clearRect(0, 0, w, h); + } + }; - // add remaining unparsed input length to the string - config._pf.charsLeftOver = stringLength - totalParsedInputLength; - if (string.length > 0) { - config._pf.unusedInput.push(string); - } + /** + * Set the translation of the network + * @param {Number} offsetX Horizontal offset + * @param {Number} offsetY Vertical offset + * @private + */ + Network.prototype._setTranslation = function(offsetX, offsetY) { + if (this.translation === undefined) { + this.translation = { + x: 0, + y: 0 + }; + } - // clear _12h flag if hour is <= 12 - if (config._pf.bigHour === true && config._a[HOUR] <= 12) { - config._pf.bigHour = undefined; - } - // handle meridiem - config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], - config._meridiem); - dateFromConfig(config); - checkOverflow(config); - } + if (offsetX !== undefined) { + this.translation.x = offsetX; + } + if (offsetY !== undefined) { + this.translation.y = offsetY; + } - function unescapeFormat(s) { - return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { - return p1 || p2 || p3 || p4; - }); - } + this.emit('viewChanged'); + }; - // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript - function regexpEscape(s) { - return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); - } + /** + * Get the translation of the network + * @return {Object} translation An object with parameters x and y, both a number + * @private + */ + Network.prototype._getTranslation = function() { + return { + x: this.translation.x, + y: this.translation.y + }; + }; - // date from string and array of format strings - function makeDateFromStringAndArray(config) { - var tempConfig, - bestMoment, + /** + * Scale the network + * @param {Number} scale Scaling factor 1.0 is unscaled + * @private + */ + Network.prototype._setScale = function(scale) { + this.scale = scale; + }; - scoreToBeat, - i, - currentScore; + /** + * Get the current scale of the network + * @return {Number} scale Scaling factor 1.0 is unscaled + * @private + */ + Network.prototype._getScale = function() { + return this.scale; + }; - if (config._f.length === 0) { - config._pf.invalidFormat = true; - config._d = new Date(NaN); - return; - } + /** + * Convert the X coordinate in DOM-space (coordinate point in browser relative to the container div) to + * the X coordinate in canvas-space (the simulation sandbox, which the camera looks upon) + * @param {number} x + * @returns {number} + * @private + */ + Network.prototype._XconvertDOMtoCanvas = function(x) { + return (x - this.translation.x) / this.scale; + }; - for (i = 0; i < config._f.length; i++) { - currentScore = 0; - tempConfig = copyConfig({}, config); - if (config._useUTC != null) { - tempConfig._useUTC = config._useUTC; - } - tempConfig._pf = defaultParsingFlags(); - tempConfig._f = config._f[i]; - makeDateFromStringAndFormat(tempConfig); + /** + * Convert the X coordinate in canvas-space (the simulation sandbox, which the camera looks upon) to + * the X coordinate in DOM-space (coordinate point in browser relative to the container div) + * @param {number} x + * @returns {number} + * @private + */ + Network.prototype._XconvertCanvasToDOM = function(x) { + return x * this.scale + this.translation.x; + }; - if (!isValid(tempConfig)) { - continue; - } + /** + * Convert the Y coordinate in DOM-space (coordinate point in browser relative to the container div) to + * the Y coordinate in canvas-space (the simulation sandbox, which the camera looks upon) + * @param {number} y + * @returns {number} + * @private + */ + Network.prototype._YconvertDOMtoCanvas = function(y) { + return (y - this.translation.y) / this.scale; + }; - // if there is any input that was not parsed add a penalty for that format - currentScore += tempConfig._pf.charsLeftOver; + /** + * Convert the Y coordinate in canvas-space (the simulation sandbox, which the camera looks upon) to + * the Y coordinate in DOM-space (coordinate point in browser relative to the container div) + * @param {number} y + * @returns {number} + * @private + */ + Network.prototype._YconvertCanvasToDOM = function(y) { + return y * this.scale + this.translation.y ; + }; - //or tokens - currentScore += tempConfig._pf.unusedTokens.length * 10; - tempConfig._pf.score = currentScore; + /** + * + * @param {object} pos = {x: number, y: number} + * @returns {{x: number, y: number}} + * @constructor + */ + Network.prototype.canvasToDOM = function (pos) { + return {x: this._XconvertCanvasToDOM(pos.x), y: this._YconvertCanvasToDOM(pos.y)}; + }; - if (scoreToBeat == null || currentScore < scoreToBeat) { - scoreToBeat = currentScore; - bestMoment = tempConfig; - } - } + /** + * + * @param {object} pos = {x: number, y: number} + * @returns {{x: number, y: number}} + * @constructor + */ + Network.prototype.DOMtoCanvas = function (pos) { + return {x: this._XconvertDOMtoCanvas(pos.x), y: this._YconvertDOMtoCanvas(pos.y)}; + }; - extend(config, bestMoment || tempConfig); - } + /** + * Redraw all nodes + * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); + * @param {CanvasRenderingContext2D} ctx + * @param {Boolean} [alwaysShow] + * @private + */ + Network.prototype._drawNodes = function(ctx,alwaysShow) { + if (alwaysShow === undefined) { + alwaysShow = false; + } - // date from iso format - function parseISO(config) { - var i, l, - string = config._i, - match = isoRegex.exec(string); + // first draw the unselected nodes + var nodes = this.nodes; + var selected = []; - if (match) { - config._pf.iso = true; - for (i = 0, l = isoDates.length; i < l; i++) { - if (isoDates[i][1].exec(string)) { - // match[5] should be 'T' or undefined - config._f = isoDates[i][0] + (match[6] || ' '); - break; - } - } - for (i = 0, l = isoTimes.length; i < l; i++) { - if (isoTimes[i][1].exec(string)) { - config._f += isoTimes[i][0]; - break; - } - } - if (string.match(parseTokenTimezone)) { - config._f += 'Z'; - } - makeDateFromStringAndFormat(config); - } else { - config._isValid = false; + for (var id in nodes) { + if (nodes.hasOwnProperty(id)) { + nodes[id].setScaleAndPos(this.scale,this.canvasTopLeft,this.canvasBottomRight); + if (nodes[id].isSelected()) { + selected.push(id); + } + else { + if (nodes[id].inArea() || alwaysShow) { + nodes[id].draw(ctx); } + } } + } - // date from iso format or fallback - function makeDateFromString(config) { - parseISO(config); - if (config._isValid === false) { - delete config._isValid; - moment.createFromInputFallback(config); - } + // draw the selected nodes on top + for (var s = 0, sMax = selected.length; s < sMax; s++) { + if (nodes[selected[s]].inArea() || alwaysShow) { + nodes[selected[s]].draw(ctx); } + } + }; - function map(arr, fn) { - var res = [], i; - for (i = 0; i < arr.length; ++i) { - res.push(fn(arr[i], i)); - } - return res; + /** + * Redraw all edges + * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); + * @param {CanvasRenderingContext2D} ctx + * @private + */ + Network.prototype._drawEdges = function(ctx) { + var edges = this.edges; + for (var id in edges) { + if (edges.hasOwnProperty(id)) { + var edge = edges[id]; + edge.setScale(this.scale); + if (edge.connected) { + edges[id].draw(ctx); + } } + } + }; - function makeDateFromInput(config) { - var input = config._i, matched; - if (input === undefined) { - config._d = new Date(); - } else if (isDate(input)) { - config._d = new Date(+input); - } else if ((matched = aspNetJsonRegex.exec(input)) !== null) { - config._d = new Date(+matched[1]); - } else if (typeof input === 'string') { - makeDateFromString(config); - } else if (isArray(input)) { - config._a = map(input.slice(0), function (obj) { - return parseInt(obj, 10); - }); - dateFromConfig(config); - } else if (typeof(input) === 'object') { - dateFromObject(config); - } else if (typeof(input) === 'number') { - // from milliseconds - config._d = new Date(input); - } else { - moment.createFromInputFallback(config); - } + /** + * Redraw all edges + * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); + * @param {CanvasRenderingContext2D} ctx + * @private + */ + Network.prototype._drawControlNodes = function(ctx) { + var edges = this.edges; + for (var id in edges) { + if (edges.hasOwnProperty(id)) { + edges[id]._drawControlNodes(ctx); } + } + }; - function makeDate(y, m, d, h, M, s, ms) { - //can't just apply() to create a date: - //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply - var date = new Date(y, m, d, h, M, s, ms); + /** + * Find a stable position for all nodes + * @private + */ + Network.prototype._stabilize = function() { + if (this.constants.freezeForStabilization == true) { + this._freezeDefinedNodes(); + } - //the date constructor doesn't accept years < 1970 - if (y < 1970) { - date.setFullYear(y); - } - return date; + // find stable position + var count = 0; + while (this.moving && count < this.constants.stabilizationIterations) { + this._physicsTick(); + count++; + } + + if (this.constants.zoomExtentOnStabilize == true) { + this.zoomExtent(undefined, false, true); + } + + if (this.constants.freezeForStabilization == true) { + this._restoreFrozenNodes(); + } + }; + + /** + * When initializing and stabilizing, we can freeze nodes with a predefined position. This greatly speeds up stabilization + * because only the supportnodes for the smoothCurves have to settle. + * + * @private + */ + Network.prototype._freezeDefinedNodes = function() { + var nodes = this.nodes; + for (var id in nodes) { + if (nodes.hasOwnProperty(id)) { + if (nodes[id].x != null && nodes[id].y != null) { + nodes[id].fixedData.x = nodes[id].xFixed; + nodes[id].fixedData.y = nodes[id].yFixed; + nodes[id].xFixed = true; + nodes[id].yFixed = true; + } } + } + }; - function makeUTCDate(y) { - var date = new Date(Date.UTC.apply(null, arguments)); - if (y < 1970) { - date.setUTCFullYear(y); - } - return date; + /** + * Unfreezes the nodes that have been frozen by _freezeDefinedNodes. + * + * @private + */ + Network.prototype._restoreFrozenNodes = function() { + var nodes = this.nodes; + for (var id in nodes) { + if (nodes.hasOwnProperty(id)) { + if (nodes[id].fixedData.x != null) { + nodes[id].xFixed = nodes[id].fixedData.x; + nodes[id].yFixed = nodes[id].fixedData.y; + } } + } + }; - function parseWeekday(input, locale) { - if (typeof input === 'string') { - if (!isNaN(input)) { - input = parseInt(input, 10); - } - else { - input = locale.weekdaysParse(input); - if (typeof input !== 'number') { - return null; - } - } - } - return input; + + /** + * Check if any of the nodes is still moving + * @param {number} vmin the minimum velocity considered as 'moving' + * @return {boolean} true if moving, false if non of the nodes is moving + * @private + */ + Network.prototype._isMoving = function(vmin) { + var nodes = this.nodes; + for (var id in nodes) { + if (nodes.hasOwnProperty(id) && nodes[id].isMoving(vmin)) { + return true; } + } + return false; + }; - /************************************ - Relative Time - ************************************/ + /** + * /** + * Perform one discrete step for all nodes + * + * @private + */ + Network.prototype._discreteStepNodes = function() { + var interval = this.physicsDiscreteStepsize; + var nodes = this.nodes; + var nodeId; + var nodesPresent = false; - // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize - function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { - return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); + if (this.constants.maxVelocity > 0) { + for (nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + nodes[nodeId].discreteStepLimited(interval, this.constants.maxVelocity); + nodesPresent = true; + } + } + } + else { + for (nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + nodes[nodeId].discreteStep(interval); + nodesPresent = true; + } } + } - function relativeTime(posNegDuration, withoutSuffix, locale) { - var duration = moment.duration(posNegDuration).abs(), - seconds = round(duration.as('s')), - minutes = round(duration.as('m')), - hours = round(duration.as('h')), - days = round(duration.as('d')), - months = round(duration.as('M')), - years = round(duration.as('y')), + if (nodesPresent == true) { + var vminCorrected = this.constants.minVelocity / Math.max(this.scale,0.05); + if (vminCorrected > 0.5*this.constants.maxVelocity) { + return true; + } + else { + return this._isMoving(vminCorrected); + } + } + return false; + }; - args = seconds < relativeTimeThresholds.s && ['s', seconds] || - minutes === 1 && ['m'] || - minutes < relativeTimeThresholds.m && ['mm', minutes] || - hours === 1 && ['h'] || - hours < relativeTimeThresholds.h && ['hh', hours] || - days === 1 && ['d'] || - days < relativeTimeThresholds.d && ['dd', days] || - months === 1 && ['M'] || - months < relativeTimeThresholds.M && ['MM', months] || - years === 1 && ['y'] || ['yy', years]; - args[2] = withoutSuffix; - args[3] = +posNegDuration > 0; - args[4] = locale; - return substituteTimeAgo.apply({}, args); + Network.prototype._revertPhysicsState = function() { + var nodes = this.nodes; + for (var nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + nodes[nodeId].revertPosition(); } + } + } + Network.prototype._revertPhysicsTick = function() { + this._doInAllActiveSectors("_revertPhysicsState"); + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this._doInSupportSector("_revertPhysicsState"); + } + } - /************************************ - Week of Year - ************************************/ - + /** + * A single simulation step (or "tick") in the physics simulation + * + * @private + */ + Network.prototype._physicsTick = function() { + if (!this.freezeSimulation) { + if (this.moving == true) { + var mainMovingStatus = false; + var supportMovingStatus = false; - // firstDayOfWeek 0 = sun, 6 = sat - // the day of the week that starts the week - // (usually sunday or monday) - // firstDayOfWeekOfYear 0 = sun, 6 = sat - // the first week is the week that contains the first - // of this day of the week - // (eg. ISO weeks use thursday (4)) - function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) { - var end = firstDayOfWeekOfYear - firstDayOfWeek, - daysToDayOfWeek = firstDayOfWeekOfYear - mom.day(), - adjustedMoment; + this._doInAllActiveSectors("_initializeForceCalculation"); + var mainMoving = this._doInAllActiveSectors("_discreteStepNodes"); + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + supportMovingStatus = this._doInSupportSector("_discreteStepNodes"); + } + // gather movement data from all sectors, if one moves, we are NOT stabilzied + for (var i = 0; i < mainMoving.length; i++) {mainMovingStatus = mainMoving[0] || mainMovingStatus;} - if (daysToDayOfWeek > end) { - daysToDayOfWeek -= 7; - } + // determine if the network has stabilzied + this.moving = mainMovingStatus || supportMovingStatus; - if (daysToDayOfWeek < end - 7) { - daysToDayOfWeek += 7; + if (this.moving == false) { + this._revertPhysicsTick(); + } + else { + // this is here to ensure that there is no start event when the network is already stable. + if (this.startedStabilization == false) { + this.emit("startStabilization"); + this.startedStabilization = true; } + } - adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd'); - return { - week: Math.ceil(adjustedMoment.dayOfYear() / 7), - year: adjustedMoment.year() - }; + this.stabilizationIterations++; } + } + }; - //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday - function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) { - var d = makeUTCDate(year, 0, 1).getUTCDay(), daysToAdd, dayOfYear; - - d = d === 0 ? 7 : d; - weekday = weekday != null ? weekday : firstDayOfWeek; - daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0); - dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1; - return { - year: dayOfYear > 0 ? year : year - 1, - dayOfYear: dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear - }; - } + /** + * This function runs one step of the animation. It calls an x amount of physics ticks and one render tick. + * It reschedules itself at the beginning of the function + * + * @private + */ + Network.prototype._animationStep = function() { + // reset the timer so a new scheduled animation step can be set + this.timer = undefined; - /************************************ - Top Level Functions - ************************************/ + // handle the keyboad movement + this._handleNavigation(); - function makeMoment(config) { - var input = config._i, - format = config._f, - res; + var startTime = Date.now(); + this._physicsTick(); + var physicsTime = Date.now() - startTime; - config._locale = config._locale || moment.localeData(config._l); + // run double speed if it is a little graph + if ((this.renderTimestep - this.renderTime > 2 * physicsTime || this.runDoubleSpeed == true) && this.moving == true) { + this._physicsTick(); - if (input === null || (format === undefined && input === '')) { - return moment.invalid({nullInput: true}); - } + // this makes sure there is no jitter. The decision is taken once to run it at double speed. + if (this.renderTime != 0) { + this.runDoubleSpeed = true + } + } - if (typeof input === 'string') { - config._i = input = config._locale.preparse(input); - } + var renderStartTime = Date.now(); + this._redraw(); + this.renderTime = Date.now() - renderStartTime; - if (moment.isMoment(input)) { - return new Moment(input, true); - } else if (format) { - if (isArray(format)) { - makeDateFromStringAndArray(config); - } else { - makeDateFromStringAndFormat(config); - } - } else { - makeDateFromInput(config); - } + // this schedules a new animation step + this.start(); + }; - res = new Moment(config); - if (res._nextDay) { - // Adding is smart enough around DST - res.add(1, 'd'); - res._nextDay = undefined; - } + if (typeof window !== 'undefined') { + window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || + window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; + } - return res; + /** + * Schedule a animation step with the refreshrate interval. + */ + Network.prototype.start = function() { + if (this.moving == true || this.xIncrement != 0 || this.yIncrement != 0 || this.zoomIncrement != 0) { + if (!this.timer) { + if (this.requiresTimeout == true) { + this.timer = window.setTimeout(this._animationStep.bind(this), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function + } + else { + this.timer = window.requestAnimationFrame(this._animationStep.bind(this)); // wait this.renderTimeStep milliseconds and perform the animation step function + } } + } + else { + this._redraw(); + // this check is to ensure that the network does not emit these events if it was already stabilized and setOptions is called (setting moving to true and calling start()) + if (this.stabilizationIterations > 1) { + // trigger the "stabilized" event. + // The event is triggered on the next tick, to prevent the case that + // it is fired while initializing the Network, in which case you would not + // be able to catch it + var me = this; + var params = { + iterations: me.stabilizationIterations + }; + this.stabilizationIterations = 0; + this.startedStabilization = false; + setTimeout(function () { + me.emit("stabilized", params); + }, 0); + } + else { + this.stabilizationIterations = 0; + } + } + }; - moment = function (input, format, locale, strict) { - var c; - - if (typeof(locale) === 'boolean') { - strict = locale; - locale = undefined; - } - // object construction must be done this way. - // https://github.com/moment/moment/issues/1423 - c = {}; - c._isAMomentObject = true; - c._i = input; - c._f = format; - c._l = locale; - c._strict = strict; - c._isUTC = false; - c._pf = defaultParsingFlags(); - return makeMoment(c); + /** + * Move the network according to the keyboard presses. + * + * @private + */ + Network.prototype._handleNavigation = function() { + if (this.xIncrement != 0 || this.yIncrement != 0) { + var translation = this._getTranslation(); + this._setTranslation(translation.x+this.xIncrement, translation.y+this.yIncrement); + } + if (this.zoomIncrement != 0) { + var center = { + x: this.frame.canvas.clientWidth / 2, + y: this.frame.canvas.clientHeight / 2 }; + this._zoom(this.scale*(1 + this.zoomIncrement), center); + } + }; - moment.suppressDeprecationWarnings = false; - moment.createFromInputFallback = deprecate( - 'moment construction falls back to js Date. This is ' + - 'discouraged and will be removed in upcoming major ' + - 'release. Please refer to ' + - 'https://github.com/moment/moment/issues/1407 for more info.', - function (config) { - config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); - } - ); + /** + * Freeze the _animationStep + */ + Network.prototype.toggleFreeze = function() { + if (this.freezeSimulation == false) { + this.freezeSimulation = true; + } + else { + this.freezeSimulation = false; + this.start(); + } + }; - // Pick a moment m from moments so that m[fn](other) is true for all - // other. This relies on the function fn to be transitive. - // - // moments should either be an array of moment objects or an array, whose - // first element is an array of moment objects. - function pickBy(fn, moments) { - var res, i; - if (moments.length === 1 && isArray(moments[0])) { - moments = moments[0]; - } - if (!moments.length) { - return moment(); - } - res = moments[0]; - for (i = 1; i < moments.length; ++i) { - if (moments[i][fn](res)) { - res = moments[i]; - } + + /** + * This function cleans the support nodes if they are not needed and adds them when they are. + * + * @param {boolean} [disableStart] + * @private + */ + Network.prototype._configureSmoothCurves = function(disableStart) { + if (disableStart === undefined) { + disableStart = true; + } + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this._createBezierNodes(); + // cleanup unused support nodes + for (var nodeId in this.sectors['support']['nodes']) { + if (this.sectors['support']['nodes'].hasOwnProperty(nodeId)) { + if (this.edges[this.sectors['support']['nodes'][nodeId].parentEdgeId] === undefined) { + delete this.sectors['support']['nodes'][nodeId]; } - return res; + } + } + } + else { + // delete the support nodes + this.sectors['support']['nodes'] = {}; + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + this.edges[edgeId].via = null; + } } + } - moment.min = function () { - var args = [].slice.call(arguments, 0); - return pickBy('isBefore', args); - }; + this._updateCalculationNodes(); + if (!disableStart) { + this.moving = true; + this.start(); + } + }; - moment.max = function () { - var args = [].slice.call(arguments, 0); - return pickBy('isAfter', args); - }; + /** + * Bezier curves require an anchor point to calculate the smooth flow. These points are nodes. These nodes are invisible but + * are used for the force calculation. + * + * @private + */ + Network.prototype._createBezierNodes = function() { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + var edge = this.edges[edgeId]; + if (edge.via == null) { + var nodeId = "edgeId:".concat(edge.id); + this.sectors['support']['nodes'][nodeId] = new Node( + {id:nodeId, + mass:1, + shape:'circle', + image:"", + internalMultiplier:1 + },{},{},this.constants); + edge.via = this.sectors['support']['nodes'][nodeId]; + edge.via.parentEdgeId = edge.id; + edge.positionBezierNode(); + } + } + } + } + }; - // creating with utc - moment.utc = function (input, format, locale, strict) { - var c; + /** + * load the functions that load the mixins into the prototype. + * + * @private + */ + Network.prototype._initializeMixinLoaders = function () { + for (var mixin in MixinLoader) { + if (MixinLoader.hasOwnProperty(mixin)) { + Network.prototype[mixin] = MixinLoader[mixin]; + } + } + }; - if (typeof(locale) === 'boolean') { - strict = locale; - locale = undefined; - } - // object construction must be done this way. - // https://github.com/moment/moment/issues/1423 - c = {}; - c._isAMomentObject = true; - c._useUTC = true; - c._isUTC = true; - c._l = locale; - c._i = input; - c._f = format; - c._strict = strict; - c._pf = defaultParsingFlags(); + /** + * Load the XY positions of the nodes into the dataset. + */ + Network.prototype.storePosition = function() { + console.log("storePosition is depricated: use .storePositions() from now on.") + this.storePositions(); + }; - return makeMoment(c).utc(); - }; + /** + * Load the XY positions of the nodes into the dataset. + */ + Network.prototype.storePositions = function() { + var dataArray = []; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + var node = this.nodes[nodeId]; + var allowedToMoveX = !this.nodes.xFixed; + var allowedToMoveY = !this.nodes.yFixed; + if (this.nodesData._data[nodeId].x != Math.round(node.x) || this.nodesData._data[nodeId].y != Math.round(node.y)) { + dataArray.push({id:nodeId,x:Math.round(node.x),y:Math.round(node.y),allowedToMoveX:allowedToMoveX,allowedToMoveY:allowedToMoveY}); + } + } + } + this.nodesData.update(dataArray); + }; - // creating with unix timestamp (in seconds) - moment.unix = function (input) { - return moment(input * 1000); - }; + /** + * Return the positions of the nodes. + */ + Network.prototype.getPositions = function(ids) { + var dataArray = {}; + if (ids !== undefined) { + if (Array.isArray(ids) == true) { + for (var i = 0; i < ids.length; i++) { + if (this.nodes[ids[i]] !== undefined) { + var node = this.nodes[ids[i]]; + dataArray[ids[i]] = {x: Math.round(node.x), y: Math.round(node.y)}; + } + } + } + else { + if (this.nodes[ids] !== undefined) { + var node = this.nodes[ids]; + dataArray[ids] = {x: Math.round(node.x), y: Math.round(node.y)}; + } + } + } + else { + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + var node = this.nodes[nodeId]; + dataArray[nodeId] = {x: Math.round(node.x), y: Math.round(node.y)}; + } + } + } + return dataArray; + }; - // duration - moment.duration = function (input, key) { - var duration = input, - // matching against regexp is expensive, do it on demand - match = null, - sign, - ret, - parseIso, - diffRes; - if (moment.isDuration(input)) { - duration = { - ms: input._milliseconds, - d: input._days, - M: input._months - }; - } else if (typeof input === 'number') { - duration = {}; - if (key) { - duration[key] = input; - } else { - duration.milliseconds = input; - } - } else if (!!(match = aspNetTimeSpanJsonRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : 1; - duration = { - y: 0, - d: toInt(match[DATE]) * sign, - h: toInt(match[HOUR]) * sign, - m: toInt(match[MINUTE]) * sign, - s: toInt(match[SECOND]) * sign, - ms: toInt(match[MILLISECOND]) * sign - }; - } else if (!!(match = isoDurationRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : 1; - parseIso = function (inp) { - // We'd normally use ~~inp for this, but unfortunately it also - // converts floats to ints. - // inp may be undefined, so careful calling replace on it. - var res = inp && parseFloat(inp.replace(',', '.')); - // apply sign while we're at it - return (isNaN(res) ? 0 : res) * sign; - }; - duration = { - y: parseIso(match[2]), - M: parseIso(match[3]), - d: parseIso(match[4]), - h: parseIso(match[5]), - m: parseIso(match[6]), - s: parseIso(match[7]), - w: parseIso(match[8]) - }; - } else if (duration == null) {// checks for null or undefined - duration = {}; - } else if (typeof duration === 'object' && - ('from' in duration || 'to' in duration)) { - diffRes = momentsDifference(moment(duration.from), moment(duration.to)); - duration = {}; - duration.ms = diffRes.milliseconds; - duration.M = diffRes.months; - } + /** + * Center a node in view. + * + * @param {Number} nodeId + * @param {Number} [options] + */ + Network.prototype.focusOnNode = function (nodeId, options) { + if (this.nodes.hasOwnProperty(nodeId)) { + if (options === undefined) { + options = {}; + } + var nodePosition = {x: this.nodes[nodeId].x, y: this.nodes[nodeId].y}; + options.position = nodePosition; + options.lockedOnNode = nodeId; - ret = new Duration(duration); + this.moveTo(options) + } + else { + console.log("This nodeId cannot be found."); + } + }; - if (moment.isDuration(input) && hasOwnProp(input, '_locale')) { - ret._locale = input._locale; - } + /** + * + * @param {Object} options | options.offset = {x:Number, y:Number} // offset from the center in DOM pixels + * | options.scale = Number // scale to move to + * | options.position = {x:Number, y:Number} // position to move to + * | options.animation = {duration:Number, easingFunction:String} || Boolean // position to move to + */ + Network.prototype.moveTo = function (options) { + if (options === undefined) { + options = {}; + return; + } + if (options.offset === undefined) {options.offset = {x: 0, y: 0}; } + if (options.offset.x === undefined) {options.offset.x = 0; } + if (options.offset.y === undefined) {options.offset.y = 0; } + if (options.scale === undefined) {options.scale = this._getScale(); } + if (options.position === undefined) {options.position = this._getTranslation();} + if (options.animation === undefined) {options.animation = {duration:0}; } + if (options.animation === false ) {options.animation = {duration:0}; } + if (options.animation === true ) {options.animation = {}; } + if (options.animation.duration === undefined) {options.animation.duration = 1000; } // default duration + if (options.animation.easingFunction === undefined) {options.animation.easingFunction = "easeInOutQuad"; } // default easing function - return ret; - }; + this.animateView(options); + }; - // version number - moment.version = VERSION; + /** + * + * @param {Object} options | options.offset = {x:Number, y:Number} // offset from the center in DOM pixels + * | options.time = Number // animation time in milliseconds + * | options.scale = Number // scale to animate to + * | options.position = {x:Number, y:Number} // position to animate to + * | options.easingFunction = String // linear, easeInQuad, easeOutQuad, easeInOutQuad, + * // easeInCubic, easeOutCubic, easeInOutCubic, + * // easeInQuart, easeOutQuart, easeInOutQuart, + * // easeInQuint, easeOutQuint, easeInOutQuint + */ + Network.prototype.animateView = function (options) { + if (options === undefined) { + options = {}; + return; + } - // default format - moment.defaultFormat = isoFormat; + // release if something focussed on the node + this.releaseNode(); + if (options.locked == true) { + this.lockedOnNodeId = options.lockedOnNode; + this.lockedOnNodeOffset = options.offset; + } - // constant that refers to the ISO standard - moment.ISO_8601 = function () {}; + // forcefully complete the old animation if it was still running + if (this.easingTime != 0) { + this._transitionRedraw(1); // by setting easingtime to 1, we finish the animation. + } - // Plugins that add properties should also add the key here (null value), - // so we can properly clone ourselves. - moment.momentProperties = momentProperties; + this.sourceScale = this._getScale(); + this.sourceTranslation = this._getTranslation(); + this.targetScale = options.scale; - // This function will be called whenever a moment is mutated. - // It is intended to keep the offset in sync with the timezone. - moment.updateOffset = function () {}; + // set the scale so the viewCenter is based on the correct zoom level. This is overridden in the transitionRedraw + // but at least then we'll have the target transition + this._setScale(this.targetScale); + var viewCenter = this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); + var distanceFromCenter = { // offset from view, distance view has to change by these x and y to center the node + x: viewCenter.x - options.position.x, + y: viewCenter.y - options.position.y + }; + this.targetTranslation = { + x: this.sourceTranslation.x + distanceFromCenter.x * this.targetScale + options.offset.x, + y: this.sourceTranslation.y + distanceFromCenter.y * this.targetScale + options.offset.y + }; - // This function allows you to set a threshold for relative time strings - moment.relativeTimeThreshold = function (threshold, limit) { - if (relativeTimeThresholds[threshold] === undefined) { - return false; - } - if (limit === undefined) { - return relativeTimeThresholds[threshold]; - } - relativeTimeThresholds[threshold] = limit; - return true; - }; + // if the time is set to 0, don't do an animation + if (options.animation.duration == 0) { + if (this.lockedOnNodeId != null) { + this._classicRedraw = this._redraw; + this._redraw = this._lockedRedraw; + } + else { + this._setScale(this.targetScale); + this._setTranslation(this.targetTranslation.x, this.targetTranslation.y); + this._redraw(); + } + } + else { + this.animationSpeed = 1 / (this.renderRefreshRate * options.animation.duration * 0.001) || 1 / this.renderRefreshRate; + this.animationEasingFunction = options.animation.easingFunction; + this._classicRedraw = this._redraw; + this._redraw = this._transitionRedraw; + this._redraw(); + this.moving = true; + this.start(); + } + }; - moment.lang = deprecate( - 'moment.lang is deprecated. Use moment.locale instead.', - function (key, value) { - return moment.locale(key, value); - } - ); + /** + * used to animate smoothly by hijacking the redraw function. + * @private + */ + Network.prototype._lockedRedraw = function () { + var nodePosition = {x: this.nodes[this.lockedOnNodeId].x, y: this.nodes[this.lockedOnNodeId].y}; + var viewCenter = this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); + var distanceFromCenter = { // offset from view, distance view has to change by these x and y to center the node + x: viewCenter.x - nodePosition.x, + y: viewCenter.y - nodePosition.y + }; + var sourceTranslation = this._getTranslation(); + var targetTranslation = { + x: sourceTranslation.x + distanceFromCenter.x * this.scale + this.lockedOnNodeOffset.x, + y: sourceTranslation.y + distanceFromCenter.y * this.scale + this.lockedOnNodeOffset.y + }; - // This function will load locale and then set the global locale. If - // no arguments are passed in, it will simply return the current global - // locale key. - moment.locale = function (key, values) { - var data; - if (key) { - if (typeof(values) !== 'undefined') { - data = moment.defineLocale(key, values); - } - else { - data = moment.localeData(key); - } + this._setTranslation(targetTranslation.x,targetTranslation.y); + this._classicRedraw(); + } - if (data) { - moment.duration._locale = moment._locale = data; - } - } + Network.prototype.releaseNode = function () { + if (this.lockedOnNodeId != null) { + this._redraw = this._classicRedraw; + this.lockedOnNodeId = null; + this.lockedOnNodeOffset = null; + } + } - return moment._locale._abbr; - }; + /** + * + * @param easingTime + * @private + */ + Network.prototype._transitionRedraw = function (easingTime) { + this.easingTime = easingTime || this.easingTime + this.animationSpeed; + this.easingTime += this.animationSpeed; - moment.defineLocale = function (name, values) { - if (values !== null) { - values.abbr = name; - if (!locales[name]) { - locales[name] = new Locale(); - } - locales[name].set(values); + var progress = util.easingFunctions[this.animationEasingFunction](this.easingTime); - // backwards compat for now: also set the locale - moment.locale(name); + this._setScale(this.sourceScale + (this.targetScale - this.sourceScale) * progress); + this._setTranslation( + this.sourceTranslation.x + (this.targetTranslation.x - this.sourceTranslation.x) * progress, + this.sourceTranslation.y + (this.targetTranslation.y - this.sourceTranslation.y) * progress + ); - return locales[name]; - } else { - // useful for testing - delete locales[name]; - return null; - } - }; + this._classicRedraw(); + this.moving = true; - moment.langData = deprecate( - 'moment.langData is deprecated. Use moment.localeData instead.', - function (key) { - return moment.localeData(key); - } - ); + // cleanup + if (this.easingTime >= 1.0) { + this.easingTime = 0; + if (this.lockedOnNodeId != null) { + this._redraw = this._lockedRedraw; + } + else { + this._redraw = this._classicRedraw; + } + this.emit("animationFinished"); + } + }; - // returns locale data - moment.localeData = function (key) { - var locale; + Network.prototype._classicRedraw = function () { + // placeholder function to be overloaded by animations; + }; - if (key && key._locale && key._locale._abbr) { - key = key._locale._abbr; - } + /** + * Returns true when the Network is active. + * @returns {boolean} + */ + Network.prototype.isActive = function () { + return !this.activator || this.activator.active; + }; - if (!key) { - return moment._locale; - } - if (!isArray(key)) { - //short-circuit everything else - locale = loadLocale(key); - if (locale) { - return locale; - } - key = [key]; - } + /** + * Sets the scale + * @returns {Number} + */ + Network.prototype.setScale = function () { + return this._setScale(); + }; - return chooseLocale(key); - }; - // compare moment object - moment.isMoment = function (obj) { - return obj instanceof Moment || - (obj != null && hasOwnProp(obj, '_isAMomentObject')); - }; + /** + * Returns the scale + * @returns {Number} + */ + Network.prototype.getScale = function () { + return this._getScale(); + }; - // for typechecking Duration objects - moment.isDuration = function (obj) { - return obj instanceof Duration; - }; - for (i = lists.length - 1; i >= 0; --i) { - makeList(lists[i]); - } + /** + * Returns the scale + * @returns {Number} + */ + Network.prototype.getCenterCoordinates = function () { + return this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); + }; - moment.normalizeUnits = function (units) { - return normalizeUnits(units); - }; - moment.invalid = function (flags) { - var m = moment.utc(NaN); - if (flags != null) { - extend(m._pf, flags); - } - else { - m._pf.userInvalidated = true; - } + Network.prototype.getBoundingBox = function(nodeId) { + if (this.nodes[nodeId] !== undefined) { + return this.nodes[nodeId].boundingBox; + } + } - return m; - }; + module.exports = Network; - moment.parseZone = function () { - return moment.apply(null, arguments).parseZone(); - }; - moment.parseTwoDigitYear = function (input) { - return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); - }; +/***/ }, +/* 52 */ +/***/ function(module, exports, __webpack_require__) { - moment.isDate = isDate; + /** + * Parse a text source containing data in DOT language into a JSON object. + * The object contains two lists: one with nodes and one with edges. + * + * DOT language reference: http://www.graphviz.org/doc/info/lang.html + * + * @param {String} data Text containing a graph in DOT-notation + * @return {Object} graph An object containing two parameters: + * {Object[]} nodes + * {Object[]} edges + */ + function parseDOT (data) { + dot = data; + return parseGraph(); + } - /************************************ - Moment Prototype - ************************************/ + // token types enumeration + var TOKENTYPE = { + NULL : 0, + DELIMITER : 1, + IDENTIFIER: 2, + UNKNOWN : 3 + }; + // map with all delimiters + var DELIMITERS = { + '{': true, + '}': true, + '[': true, + ']': true, + ';': true, + '=': true, + ',': true, - extend(moment.fn = Moment.prototype, { + '->': true, + '--': true + }; - clone : function () { - return moment(this); - }, + var dot = ''; // current dot file + var index = 0; // current index in dot file + var c = ''; // current token character in expr + var token = ''; // current token + var tokenType = TOKENTYPE.NULL; // type of the token - valueOf : function () { - return +this._d - ((this._offset || 0) * 60000); - }, + /** + * Get the first character from the dot file. + * The character is stored into the char c. If the end of the dot file is + * reached, the function puts an empty string in c. + */ + function first() { + index = 0; + c = dot.charAt(0); + } - unix : function () { - return Math.floor(+this / 1000); - }, + /** + * Get the next character from the dot file. + * The character is stored into the char c. If the end of the dot file is + * reached, the function puts an empty string in c. + */ + function next() { + index++; + c = dot.charAt(index); + } - toString : function () { - return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); - }, + /** + * Preview the next character from the dot file. + * @return {String} cNext + */ + function nextPreview() { + return dot.charAt(index + 1); + } - toDate : function () { - return this._offset ? new Date(+this) : this._d; - }, + /** + * Test whether given character is alphabetic or numeric + * @param {String} c + * @return {Boolean} isAlphaNumeric + */ + var regexAlphaNumeric = /[a-zA-Z_0-9.:#]/; + function isAlphaNumeric(c) { + return regexAlphaNumeric.test(c); + } - toISOString : function () { - var m = moment(this).utc(); - if (0 < m.year() && m.year() <= 9999) { - if ('function' === typeof Date.prototype.toISOString) { - // native implementation is ~50x faster, use it when we can - return this.toDate().toISOString(); - } else { - return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]'); - } - } else { - return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]'); - } - }, + /** + * Merge all properties of object b into object b + * @param {Object} a + * @param {Object} b + * @return {Object} a + */ + function merge (a, b) { + if (!a) { + a = {}; + } - toArray : function () { - var m = this; - return [ - m.year(), - m.month(), - m.date(), - m.hours(), - m.minutes(), - m.seconds(), - m.milliseconds() - ]; - }, + if (b) { + for (var name in b) { + if (b.hasOwnProperty(name)) { + a[name] = b[name]; + } + } + } + return a; + } - isValid : function () { - return isValid(this); - }, + /** + * Set a value in an object, where the provided parameter name can be a + * path with nested parameters. For example: + * + * var obj = {a: 2}; + * setValue(obj, 'b.c', 3); // obj = {a: 2, b: {c: 3}} + * + * @param {Object} obj + * @param {String} path A parameter name or dot-separated parameter path, + * like "color.highlight.border". + * @param {*} value + */ + function setValue(obj, path, value) { + var keys = path.split('.'); + var o = obj; + while (keys.length) { + var key = keys.shift(); + if (keys.length) { + // this isn't the end point + if (!o[key]) { + o[key] = {}; + } + o = o[key]; + } + else { + // this is the end point + o[key] = value; + } + } + } - isDSTShifted : function () { - if (this._a) { - return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0; - } + /** + * Add a node to a graph object. If there is already a node with + * the same id, their attributes will be merged. + * @param {Object} graph + * @param {Object} node + */ + function addNode(graph, node) { + var i, len; + var current = null; - return false; - }, + // find root graph (in case of subgraph) + var graphs = [graph]; // list with all graphs from current graph to root graph + var root = graph; + while (root.parent) { + graphs.push(root.parent); + root = root.parent; + } - parsingFlags : function () { - return extend({}, this._pf); - }, + // find existing node (at root level) by its id + if (root.nodes) { + for (i = 0, len = root.nodes.length; i < len; i++) { + if (node.id === root.nodes[i].id) { + current = root.nodes[i]; + break; + } + } + } - invalidAt: function () { - return this._pf.overflow; - }, + if (!current) { + // this is a new node + current = { + id: node.id + }; + if (graph.node) { + // clone default attributes + current.attr = merge(current.attr, graph.node); + } + } - utc : function (keepLocalTime) { - return this.utcOffset(0, keepLocalTime); - }, + // add node to this (sub)graph and all its parent graphs + for (i = graphs.length - 1; i >= 0; i--) { + var g = graphs[i]; - local : function (keepLocalTime) { - if (this._isUTC) { - this.utcOffset(0, keepLocalTime); - this._isUTC = false; + if (!g.nodes) { + g.nodes = []; + } + if (g.nodes.indexOf(current) == -1) { + g.nodes.push(current); + } + } - if (keepLocalTime) { - this.subtract(this._dateUtcOffset(), 'm'); - } - } - return this; - }, + // merge attributes + if (node.attr) { + current.attr = merge(current.attr, node.attr); + } + } - format : function (inputString) { - var output = formatMoment(this, inputString || moment.defaultFormat); - return this.localeData().postformat(output); - }, + /** + * Add an edge to a graph object + * @param {Object} graph + * @param {Object} edge + */ + function addEdge(graph, edge) { + if (!graph.edges) { + graph.edges = []; + } + graph.edges.push(edge); + if (graph.edge) { + var attr = merge({}, graph.edge); // clone default attributes + edge.attr = merge(attr, edge.attr); // merge attributes + } + } - add : createAdder(1, 'add'), + /** + * Create an edge to a graph object + * @param {Object} graph + * @param {String | Number | Object} from + * @param {String | Number | Object} to + * @param {String} type + * @param {Object | null} attr + * @return {Object} edge + */ + function createEdge(graph, from, to, type, attr) { + var edge = { + from: from, + to: to, + type: type + }; - subtract : createAdder(-1, 'subtract'), + if (graph.edge) { + edge.attr = merge({}, graph.edge); // clone default attributes + } + edge.attr = merge(edge.attr || {}, attr); // merge attributes - diff : function (input, units, asFloat) { - var that = makeAs(input, this), - zoneDiff = (that.utcOffset() - this.utcOffset()) * 6e4, - anchor, diff, output, daysAdjust; + return edge; + } - units = normalizeUnits(units); + /** + * Get next token in the current dot file. + * The token and token type are available as token and tokenType + */ + function getToken() { + tokenType = TOKENTYPE.NULL; + token = ''; - if (units === 'year' || units === 'month' || units === 'quarter') { - output = monthDiff(this, that); - if (units === 'quarter') { - output = output / 3; - } else if (units === 'year') { - output = output / 12; - } - } else { - diff = this - that; - output = units === 'second' ? diff / 1e3 : // 1000 - units === 'minute' ? diff / 6e4 : // 1000 * 60 - units === 'hour' ? diff / 36e5 : // 1000 * 60 * 60 - units === 'day' ? (diff - zoneDiff) / 864e5 : // 1000 * 60 * 60 * 24, negate dst - units === 'week' ? (diff - zoneDiff) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst - diff; - } - return asFloat ? output : absRound(output); - }, + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); + } - from : function (time, withoutSuffix) { - return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); - }, + do { + var isComment = false; - fromNow : function (withoutSuffix) { - return this.from(moment(), withoutSuffix); - }, + // skip comment + if (c == '#') { + // find the previous non-space character + var i = index - 1; + while (dot.charAt(i) == ' ' || dot.charAt(i) == '\t') { + i--; + } + if (dot.charAt(i) == '\n' || dot.charAt(i) == '') { + // the # is at the start of a line, this is indeed a line comment + while (c != '' && c != '\n') { + next(); + } + isComment = true; + } + } + if (c == '/' && nextPreview() == '/') { + // skip line comment + while (c != '' && c != '\n') { + next(); + } + isComment = true; + } + if (c == '/' && nextPreview() == '*') { + // skip block comment + while (c != '') { + if (c == '*' && nextPreview() == '/') { + // end of block comment found. skip these last two characters + next(); + next(); + break; + } + else { + next(); + } + } + isComment = true; + } - calendar : function (time) { - // We want to compare the start of today, vs this. - // Getting start-of-today depends on whether we're locat/utc/offset - // or not. - var now = time || moment(), - sod = makeAs(now, this).startOf('day'), - diff = this.diff(sod, 'days', true), - format = diff < -6 ? 'sameElse' : - diff < -1 ? 'lastWeek' : - diff < 0 ? 'lastDay' : - diff < 1 ? 'sameDay' : - diff < 2 ? 'nextDay' : - diff < 7 ? 'nextWeek' : 'sameElse'; - return this.format(this.localeData().calendar(format, this, moment(now))); - }, + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); + } + } + while (isComment); - isLeapYear : function () { - return isLeapYear(this.year()); - }, + // check for end of dot file + if (c == '') { + // token is still empty + tokenType = TOKENTYPE.DELIMITER; + return; + } - isDST : function () { - return (this.utcOffset() > this.clone().month(0).utcOffset() || - this.utcOffset() > this.clone().month(5).utcOffset()); - }, + // check for delimiters consisting of 2 characters + var c2 = c + nextPreview(); + if (DELIMITERS[c2]) { + tokenType = TOKENTYPE.DELIMITER; + token = c2; + next(); + next(); + return; + } - day : function (input) { - var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay(); - if (input != null) { - input = parseWeekday(input, this.localeData()); - return this.add(input - day, 'd'); - } else { - return day; - } - }, + // check for delimiters consisting of 1 character + if (DELIMITERS[c]) { + tokenType = TOKENTYPE.DELIMITER; + token = c; + next(); + return; + } - month : makeAccessor('Month', true), + // check for an identifier (number or string) + // TODO: more precise parsing of numbers/strings (and the port separator ':') + if (isAlphaNumeric(c) || c == '-') { + token += c; + next(); - startOf : function (units) { - units = normalizeUnits(units); - // the following switch intentionally omits break keywords - // to utilize falling through the cases. - switch (units) { - case 'year': - this.month(0); - /* falls through */ - case 'quarter': - case 'month': - this.date(1); - /* falls through */ - case 'week': - case 'isoWeek': - case 'day': - this.hours(0); - /* falls through */ - case 'hour': - this.minutes(0); - /* falls through */ - case 'minute': - this.seconds(0); - /* falls through */ - case 'second': - this.milliseconds(0); - /* falls through */ - } + while (isAlphaNumeric(c)) { + token += c; + next(); + } + if (token == 'false') { + token = false; // convert to boolean + } + else if (token == 'true') { + token = true; // convert to boolean + } + else if (!isNaN(Number(token))) { + token = Number(token); // convert to number + } + tokenType = TOKENTYPE.IDENTIFIER; + return; + } + + // check for a string enclosed by double quotes + if (c == '"') { + next(); + while (c != '' && (c != '"' || (c == '"' && nextPreview() == '"'))) { + token += c; + if (c == '"') { // skip the escape character + next(); + } + next(); + } + if (c != '"') { + throw newSyntaxError('End of string " expected'); + } + next(); + tokenType = TOKENTYPE.IDENTIFIER; + return; + } - // weeks are a special case - if (units === 'week') { - this.weekday(0); - } else if (units === 'isoWeek') { - this.isoWeekday(1); - } + // something unknown is found, wrong characters, a syntax error + tokenType = TOKENTYPE.UNKNOWN; + while (c != '') { + token += c; + next(); + } + throw new SyntaxError('Syntax error in part "' + chop(token, 30) + '"'); + } - // quarters are also special - if (units === 'quarter') { - this.month(Math.floor(this.month() / 3) * 3); - } + /** + * Parse a graph. + * @returns {Object} graph + */ + function parseGraph() { + var graph = {}; - return this; - }, + first(); + getToken(); - endOf: function (units) { - units = normalizeUnits(units); - if (units === undefined || units === 'millisecond') { - return this; - } - return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); - }, + // optional strict keyword + if (token == 'strict') { + graph.strict = true; + getToken(); + } - isAfter: function (input, units) { - var inputMs; - units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); - if (units === 'millisecond') { - input = moment.isMoment(input) ? input : moment(input); - return +this > +input; - } else { - inputMs = moment.isMoment(input) ? +input : +moment(input); - return inputMs < +this.clone().startOf(units); - } - }, + // graph or digraph keyword + if (token == 'graph' || token == 'digraph') { + graph.type = token; + getToken(); + } - isBefore: function (input, units) { - var inputMs; - units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); - if (units === 'millisecond') { - input = moment.isMoment(input) ? input : moment(input); - return +this < +input; - } else { - inputMs = moment.isMoment(input) ? +input : +moment(input); - return +this.clone().endOf(units) < inputMs; - } - }, + // optional graph id + if (tokenType == TOKENTYPE.IDENTIFIER) { + graph.id = token; + getToken(); + } - isBetween: function (from, to, units) { - return this.isAfter(from, units) && this.isBefore(to, units); - }, + // open angle bracket + if (token != '{') { + throw newSyntaxError('Angle bracket { expected'); + } + getToken(); - isSame: function (input, units) { - var inputMs; - units = normalizeUnits(units || 'millisecond'); - if (units === 'millisecond') { - input = moment.isMoment(input) ? input : moment(input); - return +this === +input; - } else { - inputMs = +moment(input); - return +(this.clone().startOf(units)) <= inputMs && inputMs <= +(this.clone().endOf(units)); - } - }, + // statements + parseStatements(graph); - min: deprecate( - 'moment().min is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548', - function (other) { - other = moment.apply(null, arguments); - return other < this ? this : other; - } - ), + // close angle bracket + if (token != '}') { + throw newSyntaxError('Angle bracket } expected'); + } + getToken(); - max: deprecate( - 'moment().max is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548', - function (other) { - other = moment.apply(null, arguments); - return other > this ? this : other; - } - ), + // end of file + if (token !== '') { + throw newSyntaxError('End of file expected'); + } + getToken(); - zone : deprecate( - 'moment().zone is deprecated, use moment().utcOffset instead. ' + - 'https://github.com/moment/moment/issues/1779', - function (input, keepLocalTime) { - if (input != null) { - if (typeof input !== 'string') { - input = -input; - } + // remove temporary default properties + delete graph.node; + delete graph.edge; + delete graph.graph; - this.utcOffset(input, keepLocalTime); + return graph; + } - return this; - } else { - return -this.utcOffset(); - } - } - ), + /** + * Parse a list with statements. + * @param {Object} graph + */ + function parseStatements (graph) { + while (token !== '' && token != '}') { + parseStatement(graph); + if (token == ';') { + getToken(); + } + } + } - // keepLocalTime = true means only change the timezone, without - // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> - // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset - // +0200, so we adjust the time as needed, to be valid. - // - // Keeping the time actually adds/subtracts (one hour) - // from the actual represented time. That is why we call updateOffset - // a second time. In case it wants us to change the offset again - // _changeInProgress == true case, then we have to adjust, because - // there is no such time in the given timezone. - utcOffset : function (input, keepLocalTime) { - var offset = this._offset || 0, - localAdjust; - if (input != null) { - if (typeof input === 'string') { - input = utcOffsetFromString(input); - } - if (Math.abs(input) < 16) { - input = input * 60; - } - if (!this._isUTC && keepLocalTime) { - localAdjust = this._dateUtcOffset(); - } - this._offset = input; - this._isUTC = true; - if (localAdjust != null) { - this.add(localAdjust, 'm'); - } - if (offset !== input) { - if (!keepLocalTime || this._changeInProgress) { - addOrSubtractDurationFromMoment(this, - moment.duration(input - offset, 'm'), 1, false); - } else if (!this._changeInProgress) { - this._changeInProgress = true; - moment.updateOffset(this, true); - this._changeInProgress = null; - } - } + /** + * Parse a single statement. Can be a an attribute statement, node + * statement, a series of node statements and edge statements, or a + * parameter. + * @param {Object} graph + */ + function parseStatement(graph) { + // parse subgraph + var subgraph = parseSubgraph(graph); + if (subgraph) { + // edge statements + parseEdge(graph, subgraph); - return this; - } else { - return this._isUTC ? offset : this._dateUtcOffset(); - } - }, + return; + } - isLocal : function () { - return !this._isUTC; - }, + // parse an attribute statement + var attr = parseAttributeStatement(graph); + if (attr) { + return; + } - isUtcOffset : function () { - return this._isUTC; - }, + // parse node + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier expected'); + } + var id = token; // id can be a string or a number + getToken(); - isUtc : function () { - return this._isUTC && this._offset === 0; - }, + if (token == '=') { + // id statement + getToken(); + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier expected'); + } + graph[id] = token; + getToken(); + // TODO: implement comma separated list with "a_list: ID=ID [','] [a_list] " + } + else { + parseNodeStatement(graph, id); + } + } - zoneAbbr : function () { - return this._isUTC ? 'UTC' : ''; - }, + /** + * Parse a subgraph + * @param {Object} graph parent graph object + * @return {Object | null} subgraph + */ + function parseSubgraph (graph) { + var subgraph = null; - zoneName : function () { - return this._isUTC ? 'Coordinated Universal Time' : ''; - }, + // optional subgraph keyword + if (token == 'subgraph') { + subgraph = {}; + subgraph.type = 'subgraph'; + getToken(); - parseZone : function () { - if (this._tzm) { - this.utcOffset(this._tzm); - } else if (typeof this._i === 'string') { - this.utcOffset(utcOffsetFromString(this._i)); - } - return this; - }, + // optional graph id + if (tokenType == TOKENTYPE.IDENTIFIER) { + subgraph.id = token; + getToken(); + } + } - hasAlignedHourOffset : function (input) { - if (!input) { - input = 0; - } - else { - input = moment(input).utcOffset(); - } + // open angle bracket + if (token == '{') { + getToken(); - return (this.utcOffset() - input) % 60 === 0; - }, + if (!subgraph) { + subgraph = {}; + } + subgraph.parent = graph; + subgraph.node = graph.node; + subgraph.edge = graph.edge; + subgraph.graph = graph.graph; - daysInMonth : function () { - return daysInMonth(this.year(), this.month()); - }, + // statements + parseStatements(subgraph); - dayOfYear : function (input) { - var dayOfYear = round((moment(this).startOf('day') - moment(this).startOf('year')) / 864e5) + 1; - return input == null ? dayOfYear : this.add((input - dayOfYear), 'd'); - }, + // close angle bracket + if (token != '}') { + throw newSyntaxError('Angle bracket } expected'); + } + getToken(); - quarter : function (input) { - return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); - }, + // remove temporary default properties + delete subgraph.node; + delete subgraph.edge; + delete subgraph.graph; + delete subgraph.parent; - weekYear : function (input) { - var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year; - return input == null ? year : this.add((input - year), 'y'); - }, + // register at the parent graph + if (!graph.subgraphs) { + graph.subgraphs = []; + } + graph.subgraphs.push(subgraph); + } - isoWeekYear : function (input) { - var year = weekOfYear(this, 1, 4).year; - return input == null ? year : this.add((input - year), 'y'); - }, + return subgraph; + } - week : function (input) { - var week = this.localeData().week(this); - return input == null ? week : this.add((input - week) * 7, 'd'); - }, + /** + * parse an attribute statement like "node [shape=circle fontSize=16]". + * Available keywords are 'node', 'edge', 'graph'. + * The previous list with default attributes will be replaced + * @param {Object} graph + * @returns {String | null} keyword Returns the name of the parsed attribute + * (node, edge, graph), or null if nothing + * is parsed. + */ + function parseAttributeStatement (graph) { + // attribute statements + if (token == 'node') { + getToken(); - isoWeek : function (input) { - var week = weekOfYear(this, 1, 4).week; - return input == null ? week : this.add((input - week) * 7, 'd'); - }, + // node attributes + graph.node = parseAttributeList(); + return 'node'; + } + else if (token == 'edge') { + getToken(); - weekday : function (input) { - var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; - return input == null ? weekday : this.add(input - weekday, 'd'); - }, + // edge attributes + graph.edge = parseAttributeList(); + return 'edge'; + } + else if (token == 'graph') { + getToken(); - isoWeekday : function (input) { - // behaves the same as moment#day except - // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) - // as a setter, sunday should belong to the previous week. - return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7); - }, + // graph attributes + graph.graph = parseAttributeList(); + return 'graph'; + } - isoWeeksInYear : function () { - return weeksInYear(this.year(), 1, 4); - }, + return null; + } - weeksInYear : function () { - var weekInfo = this.localeData()._week; - return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); - }, + /** + * parse a node statement + * @param {Object} graph + * @param {String | Number} id + */ + function parseNodeStatement(graph, id) { + // node statement + var node = { + id: id + }; + var attr = parseAttributeList(); + if (attr) { + node.attr = attr; + } + addNode(graph, node); - get : function (units) { - units = normalizeUnits(units); - return this[units](); - }, + // edge statements + parseEdge(graph, id); + } - set : function (units, value) { - var unit; - if (typeof units === 'object') { - for (unit in units) { - this.set(unit, units[unit]); - } - } - else { - units = normalizeUnits(units); - if (typeof this[units] === 'function') { - this[units](value); - } - } - return this; - }, + /** + * Parse an edge or a series of edges + * @param {Object} graph + * @param {String | Number} from Id of the from node + */ + function parseEdge(graph, from) { + while (token == '->' || token == '--') { + var to; + var type = token; + getToken(); - // If passed a locale key, it will set the locale for this - // instance. Otherwise, it will return the locale configuration - // variables for this instance. - locale : function (key) { - var newLocaleData; + var subgraph = parseSubgraph(graph); + if (subgraph) { + to = subgraph; + } + else { + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier or subgraph expected'); + } + to = token; + addNode(graph, { + id: to + }); + getToken(); + } - if (key === undefined) { - return this._locale._abbr; - } else { - newLocaleData = moment.localeData(key); - if (newLocaleData != null) { - this._locale = newLocaleData; - } - return this; - } - }, + // parse edge attributes + var attr = parseAttributeList(); - lang : deprecate( - 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', - function (key) { - if (key === undefined) { - return this.localeData(); - } else { - return this.locale(key); - } - } - ), + // create edge + var edge = createEdge(graph, from, to, type, attr); + addEdge(graph, edge); - localeData : function () { - return this._locale; - }, + from = to; + } + } - _dateUtcOffset : function () { - // On Firefox.24 Date#getTimezoneOffset returns a floating point. - // https://github.com/moment/moment/pull/1871 - return -Math.round(this._d.getTimezoneOffset() / 15) * 15; - } + /** + * Parse a set with attributes, + * for example [label="1.000", shape=solid] + * @return {Object | null} attr + */ + function parseAttributeList() { + var attr = null; - }); + while (token == '[') { + getToken(); + attr = {}; + while (token !== '' && token != ']') { + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Attribute name expected'); + } + var name = token; - function rawMonthSetter(mom, value) { - var dayOfMonth; + getToken(); + if (token != '=') { + throw newSyntaxError('Equal sign = expected'); + } + getToken(); - // TODO: Move this out of here! - if (typeof value === 'string') { - value = mom.localeData().monthsParse(value); - // TODO: Another silent failure? - if (typeof value !== 'number') { - return mom; - } - } + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Attribute value expected'); + } + var value = token; + setValue(attr, name, value); // name can be a path - dayOfMonth = Math.min(mom.date(), - daysInMonth(mom.year(), value)); - mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); - return mom; + getToken(); + if (token ==',') { + getToken(); + } } - function rawGetter(mom, unit) { - return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit](); + if (token != ']') { + throw newSyntaxError('Bracket ] expected'); } + getToken(); + } - function rawSetter(mom, unit, value) { - if (unit === 'Month') { - return rawMonthSetter(mom, value); - } else { - return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); - } - } + return attr; + } - function makeAccessor(unit, keepTime) { - return function (value) { - if (value != null) { - rawSetter(this, unit, value); - moment.updateOffset(this, keepTime); - return this; - } else { - return rawGetter(this, unit); - } - }; - } + /** + * Create a syntax error with extra information on current token and index. + * @param {String} message + * @returns {SyntaxError} err + */ + function newSyntaxError(message) { + return new SyntaxError(message + ', got "' + chop(token, 30) + '" (char ' + index + ')'); + } - moment.fn.millisecond = moment.fn.milliseconds = makeAccessor('Milliseconds', false); - moment.fn.second = moment.fn.seconds = makeAccessor('Seconds', false); - moment.fn.minute = moment.fn.minutes = makeAccessor('Minutes', false); - // Setting the hour should keep the time, because the user explicitly - // specified which hour he wants. So trying to maintain the same hour (in - // a new timezone) makes sense. Adding/subtracting hours does not follow - // this rule. - moment.fn.hour = moment.fn.hours = makeAccessor('Hours', true); - // moment.fn.month is defined separately - moment.fn.date = makeAccessor('Date', true); - moment.fn.dates = deprecate('dates accessor is deprecated. Use date instead.', makeAccessor('Date', true)); - moment.fn.year = makeAccessor('FullYear', true); - moment.fn.years = deprecate('years accessor is deprecated. Use year instead.', makeAccessor('FullYear', true)); + /** + * Chop off text after a maximum length + * @param {String} text + * @param {Number} maxLength + * @returns {String} + */ + function chop (text, maxLength) { + return (text.length <= maxLength) ? text : (text.substr(0, 27) + '...'); + } - // add plural methods - moment.fn.days = moment.fn.day; - moment.fn.months = moment.fn.month; - moment.fn.weeks = moment.fn.week; - moment.fn.isoWeeks = moment.fn.isoWeek; - moment.fn.quarters = moment.fn.quarter; + /** + * Execute a function fn for each pair of elements in two arrays + * @param {Array | *} array1 + * @param {Array | *} array2 + * @param {function} fn + */ + function forEach2(array1, array2, fn) { + if (Array.isArray(array1)) { + array1.forEach(function (elem1) { + if (Array.isArray(array2)) { + array2.forEach(function (elem2) { + fn(elem1, elem2); + }); + } + else { + fn(elem1, array2); + } + }); + } + else { + if (Array.isArray(array2)) { + array2.forEach(function (elem2) { + fn(array1, elem2); + }); + } + else { + fn(array1, array2); + } + } + } - // add aliased format methods - moment.fn.toJSON = moment.fn.toISOString; + /** + * Convert a string containing a graph in DOT language into a map containing + * with nodes and edges in the format of graph. + * @param {String} data Text containing a graph in DOT-notation + * @return {Object} graphData + */ + function DOTToGraph (data) { + // parse the DOT file + var dotData = parseDOT(data); + var graphData = { + nodes: [], + edges: [], + options: {} + }; - // alias isUtc for dev-friendliness - moment.fn.isUTC = moment.fn.isUtc; + // copy the nodes + if (dotData.nodes) { + dotData.nodes.forEach(function (dotNode) { + var graphNode = { + id: dotNode.id, + label: String(dotNode.label || dotNode.id) + }; + merge(graphNode, dotNode.attr); + if (graphNode.image) { + graphNode.shape = 'image'; + } + graphData.nodes.push(graphNode); + }); + } - /************************************ - Duration Prototype - ************************************/ + // copy the edges + if (dotData.edges) { + /** + * Convert an edge in DOT format to an edge with VisGraph format + * @param {Object} dotEdge + * @returns {Object} graphEdge + */ + var convertEdge = function (dotEdge) { + var graphEdge = { + from: dotEdge.from, + to: dotEdge.to + }; + merge(graphEdge, dotEdge.attr); + graphEdge.style = (dotEdge.type == '->') ? 'arrow' : 'line'; + return graphEdge; + } + dotData.edges.forEach(function (dotEdge) { + var from, to; + if (dotEdge.from instanceof Object) { + from = dotEdge.from.nodes; + } + else { + from = { + id: dotEdge.from + } + } - function daysToYears (days) { - // 400 years have 146097 days (taking into account leap year rules) - return days * 400 / 146097; - } + if (dotEdge.to instanceof Object) { + to = dotEdge.to.nodes; + } + else { + to = { + id: dotEdge.to + } + } - function yearsToDays (years) { - // years * 365 + absRound(years / 4) - - // absRound(years / 100) + absRound(years / 400); - return years * 146097 / 400; - } + if (dotEdge.from instanceof Object && dotEdge.from.edges) { + dotEdge.from.edges.forEach(function (subEdge) { + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); + } - extend(moment.duration.fn = Duration.prototype, { + forEach2(from, to, function (from, to) { + var subEdge = createEdge(graphData, from.id, to.id, dotEdge.type, dotEdge.attr); + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); - _bubble : function () { - var milliseconds = this._milliseconds, - days = this._days, - months = this._months, - data = this._data, - seconds, minutes, hours, years = 0; + if (dotEdge.to instanceof Object && dotEdge.to.edges) { + dotEdge.to.edges.forEach(function (subEdge) { + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); + } + }); + } - // The following code bubbles up values, see the tests for - // examples of what that means. - data.milliseconds = milliseconds % 1000; + // copy the options + if (dotData.attr) { + graphData.options = dotData.attr; + } - seconds = absRound(milliseconds / 1000); - data.seconds = seconds % 60; + return graphData; + } - minutes = absRound(seconds / 60); - data.minutes = minutes % 60; + // exports + exports.parseDOT = parseDOT; + exports.DOTToGraph = DOTToGraph; - hours = absRound(minutes / 60); - data.hours = hours % 24; - days += absRound(hours / 24); +/***/ }, +/* 53 */ +/***/ function(module, exports, __webpack_require__) { - // Accurately convert days to years, assume start from year 0. - years = absRound(daysToYears(days)); - days -= absRound(yearsToDays(years)); + + function parseGephi(gephiJSON, options) { + var edges = []; + var nodes = []; + this.options = { + edges: { + inheritColor: true + }, + nodes: { + allowedToMove: false, + parseColor: false + } + }; - // 30 days to a month - // TODO (iskren): Use anchor date (like 1st Jan) to compute this. - months += absRound(days / 30); - days %= 30; + if (options !== undefined) { + this.options.nodes['allowedToMove'] = options.allowedToMove | false; + this.options.nodes['parseColor'] = options.parseColor | false; + this.options.edges['inheritColor'] = options.inheritColor | true; + } - // 12 months -> 1 year - years += absRound(months / 12); - months %= 12; + var gEdges = gephiJSON.edges; + var gNodes = gephiJSON.nodes; + for (var i = 0; i < gEdges.length; i++) { + var edge = {}; + var gEdge = gEdges[i]; + edge['id'] = gEdge.id; + edge['from'] = gEdge.source; + edge['to'] = gEdge.target; + edge['attributes'] = gEdge.attributes; + // edge['value'] = gEdge.attributes !== undefined ? gEdge.attributes.Weight : undefined; + // edge['width'] = edge['value'] !== undefined ? undefined : edgegEdge.size; + edge['color'] = gEdge.color; + edge['inheritColor'] = edge['color'] !== undefined ? false : this.options.inheritColor; + edges.push(edge); + } - data.days = days; - data.months = months; - data.years = years; - }, + for (var i = 0; i < gNodes.length; i++) { + var node = {}; + var gNode = gNodes[i]; + node['id'] = gNode.id; + node['attributes'] = gNode.attributes; + node['x'] = gNode.x; + node['y'] = gNode.y; + node['label'] = gNode.label; + if (this.options.nodes.parseColor == true) { + node['color'] = gNode.color; + } + else { + node['color'] = gNode.color !== undefined ? {background:gNode.color, border:gNode.color} : undefined; + } + node['radius'] = gNode.size; + node['allowedToMoveX'] = this.options.nodes.allowedToMove; + node['allowedToMoveY'] = this.options.nodes.allowedToMove; + nodes.push(node); + } - abs : function () { - this._milliseconds = Math.abs(this._milliseconds); - this._days = Math.abs(this._days); - this._months = Math.abs(this._months); + return {nodes:nodes, edges:edges}; + } - this._data.milliseconds = Math.abs(this._data.milliseconds); - this._data.seconds = Math.abs(this._data.seconds); - this._data.minutes = Math.abs(this._data.minutes); - this._data.hours = Math.abs(this._data.hours); - this._data.months = Math.abs(this._data.months); - this._data.years = Math.abs(this._data.years); + exports.parseGephi = parseGephi; - return this; - }, +/***/ }, +/* 54 */ +/***/ function(module, exports, __webpack_require__) { - weeks : function () { - return absRound(this.days() / 7); - }, + var util = __webpack_require__(1); - valueOf : function () { - return this._milliseconds + - this._days * 864e5 + - (this._months % 12) * 2592e6 + - toInt(this._months / 12) * 31536e6; - }, + /** + * @class Groups + * This class can store groups and properties specific for groups. + */ + function Groups() { + this.clear(); + this.defaultIndex = 0; + } - humanize : function (withSuffix) { - var output = relativeTime(this, !withSuffix, this.localeData()); - if (withSuffix) { - output = this.localeData().pastFuture(+this, output); - } + /** + * default constants for group colors + */ + Groups.DEFAULT = [ + {border: "#2B7CE9", background: "#97C2FC", highlight: {border: "#2B7CE9", background: "#D2E5FF"}, hover: {border: "#2B7CE9", background: "#D2E5FF"}}, // blue + {border: "#FFA500", background: "#FFFF00", highlight: {border: "#FFA500", background: "#FFFFA3"}, hover: {border: "#FFA500", background: "#FFFFA3"}}, // yellow + {border: "#FA0A10", background: "#FB7E81", highlight: {border: "#FA0A10", background: "#FFAFB1"}, hover: {border: "#FA0A10", background: "#FFAFB1"}}, // red + {border: "#41A906", background: "#7BE141", highlight: {border: "#41A906", background: "#A1EC76"}, hover: {border: "#41A906", background: "#A1EC76"}}, // green + {border: "#E129F0", background: "#EB7DF4", highlight: {border: "#E129F0", background: "#F0B3F5"}, hover: {border: "#E129F0", background: "#F0B3F5"}}, // magenta + {border: "#7C29F0", background: "#AD85E4", highlight: {border: "#7C29F0", background: "#D3BDF0"}, hover: {border: "#7C29F0", background: "#D3BDF0"}}, // purple + {border: "#C37F00", background: "#FFA807", highlight: {border: "#C37F00", background: "#FFCA66"}, hover: {border: "#C37F00", background: "#FFCA66"}}, // orange + {border: "#4220FB", background: "#6E6EFD", highlight: {border: "#4220FB", background: "#9B9BFD"}, hover: {border: "#4220FB", background: "#9B9BFD"}}, // darkblue + {border: "#FD5A77", background: "#FFC0CB", highlight: {border: "#FD5A77", background: "#FFD1D9"}, hover: {border: "#FD5A77", background: "#FFD1D9"}}, // pink + {border: "#4AD63A", background: "#C2FABC", highlight: {border: "#4AD63A", background: "#E6FFE3"}, hover: {border: "#4AD63A", background: "#E6FFE3"}} // mint + ]; - return this.localeData().postformat(output); - }, - add : function (input, val) { - // supports only 2.0-style add(1, 's') or add(moment) - var dur = moment.duration(input, val); + /** + * Clear all groups + */ + Groups.prototype.clear = function () { + this.groups = {}; + this.groups.length = function() + { + var i = 0; + for ( var p in this ) { + if (this.hasOwnProperty(p)) { + i++; + } + } + return i; + } + }; - this._milliseconds += dur._milliseconds; - this._days += dur._days; - this._months += dur._months; - this._bubble(); + /** + * get group properties of a groupname. If groupname is not found, a new group + * is added. + * @param {*} groupname Can be a number, string, Date, etc. + * @return {Object} group The created group, containing all group properties + */ + Groups.prototype.get = function (groupname) { + var group = this.groups[groupname]; + if (group == undefined) { + // create new group + var index = this.defaultIndex % Groups.DEFAULT.length; + this.defaultIndex++; + group = {}; + group.color = Groups.DEFAULT[index]; + this.groups[groupname] = group; + } - return this; - }, + return group; + }; - subtract : function (input, val) { - var dur = moment.duration(input, val); + /** + * Add a custom group style + * @param {String} groupname + * @param {Object} style An object containing borderColor, + * backgroundColor, etc. + * @return {Object} group The created group object + */ + Groups.prototype.add = function (groupname, style) { + this.groups[groupname] = style; + return style; + }; - this._milliseconds -= dur._milliseconds; - this._days -= dur._days; - this._months -= dur._months; + module.exports = Groups; - this._bubble(); - return this; - }, +/***/ }, +/* 55 */ +/***/ function(module, exports, __webpack_require__) { - get : function (units) { - units = normalizeUnits(units); - return this[units.toLowerCase() + 's'](); - }, + /** + * @class Images + * This class loads images and keeps them stored. + */ + function Images() { + this.images = {}; + this.imageBroken = {}; + this.callback = undefined; + } - as : function (units) { - var days, months; - units = normalizeUnits(units); + /** + * Set an onload callback function. This will be called each time an image + * is loaded + * @param {function} callback + */ + Images.prototype.setOnloadCallback = function(callback) { + this.callback = callback; + }; - if (units === 'month' || units === 'year') { - days = this._days + this._milliseconds / 864e5; - months = this._months + daysToYears(days) * 12; - return units === 'month' ? months : months / 12; - } else { - // handle milliseconds separately because of floating point math errors (issue #1867) - days = this._days + Math.round(yearsToDays(this._months / 12)); - switch (units) { - case 'week': return days / 7 + this._milliseconds / 6048e5; - case 'day': return days + this._milliseconds / 864e5; - case 'hour': return days * 24 + this._milliseconds / 36e5; - case 'minute': return days * 24 * 60 + this._milliseconds / 6e4; - case 'second': return days * 24 * 60 * 60 + this._milliseconds / 1000; - // Math.floor prevents floating point math errors here - case 'millisecond': return Math.floor(days * 24 * 60 * 60 * 1000) + this._milliseconds; - default: throw new Error('Unknown unit ' + units); - } - } - }, + /** + * + * @param {string} url Url of the image + * @param {string} url Url of an image to use if the url image is not found + * @return {Image} img The image object + */ + Images.prototype.load = function(url, brokenUrl) { + var img = this.images[url]; // make a pointer + if (img === undefined) { + // create the image + var me = this; + img = new Image(); + img.onload = function () { + // IE11 fix -- thanks dponch! + if (this.width == 0) { + document.body.appendChild(this); + this.width = this.offsetWidth; + this.height = this.offsetHeight; + document.body.removeChild(this); + } - lang : moment.fn.lang, - locale : moment.fn.locale, + if (me.callback) { + me.images[url] = img; + me.callback(this); + } + }; + + img.onerror = function () { + if (brokenUrl === undefined) { + console.error("Could not load image:", url); + delete this.src; + if (me.callback) { + me.callback(this); + } + } + else if (me.imageBroken[url] === true) { + console.error("Could not load brokenImage:", brokenUrl); + delete this.src; + if (me.callback) { + me.callback(this); + } + } + else { + this.src = brokenUrl; + me.imageBroken[url] = true; + } + }; - toIsoString : deprecate( - 'toIsoString() is deprecated. Please use toISOString() instead ' + - '(notice the capitals)', - function () { - return this.toISOString(); - } - ), + img.src = url; + } - toISOString : function () { - // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js - var years = Math.abs(this.years()), - months = Math.abs(this.months()), - days = Math.abs(this.days()), - hours = Math.abs(this.hours()), - minutes = Math.abs(this.minutes()), - seconds = Math.abs(this.seconds() + this.milliseconds() / 1000); + return img; + }; - if (!this.asSeconds()) { - // this is the same as C#'s (Noda) and python (isodate)... - // but not other JS (goog.date) - return 'P0D'; - } + module.exports = Images; - return (this.asSeconds() < 0 ? '-' : '') + - 'P' + - (years ? years + 'Y' : '') + - (months ? months + 'M' : '') + - (days ? days + 'D' : '') + - ((hours || minutes || seconds) ? 'T' : '') + - (hours ? hours + 'H' : '') + - (minutes ? minutes + 'M' : '') + - (seconds ? seconds + 'S' : ''); - }, - localeData : function () { - return this._locale; - }, +/***/ }, +/* 56 */ +/***/ function(module, exports, __webpack_require__) { - toJSON : function () { - return this.toISOString(); - } - }); + var util = __webpack_require__(1); - moment.duration.fn.toString = moment.duration.fn.toISOString; + /** + * @class Node + * A node. A node can be connected to other nodes via one or multiple edges. + * @param {object} properties An object containing properties for the node. All + * properties are optional, except for the id. + * {number} id Id of the node. Required + * {string} label Text label for the node + * {number} x Horizontal position of the node + * {number} y Vertical position of the node + * {string} shape Node shape, available: + * "database", "circle", "ellipse", + * "box", "image", "text", "dot", + * "star", "triangle", "triangleDown", + * "square" + * {string} image An image url + * {string} title An title text, can be HTML + * {anytype} group A group name or number + * @param {Network.Images} imagelist A list with images. Only needed + * when the node has an image + * @param {Network.Groups} grouplist A list with groups. Needed for + * retrieving group properties + * @param {Object} constants An object with default values for + * example for the color + * + */ + function Node(properties, imagelist, grouplist, networkConstants) { + var constants = util.selectiveBridgeObject(['nodes'],networkConstants); + this.options = constants.nodes; - function makeDurationGetter(name) { - moment.duration.fn[name] = function () { - return this._data[name]; - }; - } + this.selected = false; + this.hover = false; - for (i in unitMillisecondFactors) { - if (hasOwnProp(unitMillisecondFactors, i)) { - makeDurationGetter(i.toLowerCase()); - } - } + this.edges = []; // all edges connected to this node + this.dynamicEdges = []; + this.reroutedEdges = {}; - moment.duration.fn.asMilliseconds = function () { - return this.as('ms'); - }; - moment.duration.fn.asSeconds = function () { - return this.as('s'); - }; - moment.duration.fn.asMinutes = function () { - return this.as('m'); - }; - moment.duration.fn.asHours = function () { - return this.as('h'); - }; - moment.duration.fn.asDays = function () { - return this.as('d'); - }; - moment.duration.fn.asWeeks = function () { - return this.as('weeks'); - }; - moment.duration.fn.asMonths = function () { - return this.as('M'); - }; - moment.duration.fn.asYears = function () { - return this.as('y'); - }; + this.fontDrawThreshold = 3; - /************************************ - Default Locale - ************************************/ + // set defaults for the properties + this.id = undefined; + this.allowedToMoveX = false; + this.allowedToMoveY = false; + this.xFixed = false; + this.yFixed = false; + this.horizontalAlignLeft = true; // these are for the navigation controls + this.verticalAlignTop = true; // these are for the navigation controls + this.baseRadiusValue = networkConstants.nodes.radius; + this.radiusFixed = false; + this.level = -1; + this.preassignedLevel = false; + this.hierarchyEnumerated = false; + this.labelDimensions = {top:0, left:0, width:0, height:0, yLine:0}; // could be cached + this.boundingBox = {top:0, left:0, right:0, bottom:0}; + this.imagelist = imagelist; + this.grouplist = grouplist; - // Set default locale, other locale will inherit from English. - moment.locale('en', { - ordinalParse: /\d{1,2}(th|st|nd|rd)/, - ordinal : function (number) { - var b = number % 10, - output = (toInt(number % 100 / 10) === 1) ? 'th' : - (b === 1) ? 'st' : - (b === 2) ? 'nd' : - (b === 3) ? 'rd' : 'th'; - return number + output; - } - }); + // physics properties + this.fx = 0.0; // external force x + this.fy = 0.0; // external force y + this.vx = 0.0; // velocity x + this.vy = 0.0; // velocity y + this.x = null; + this.y = null; - /* EMBED_LOCALES */ + // used for reverting to previous position on stabilization + this.previousState = {vx:0,vy:0,x:0,y:0}; - /************************************ - Exposing Moment - ************************************/ + this.damping = networkConstants.physics.damping; // written every time gravity is calculated + this.fixedData = {x:null,y:null}; - function makeGlobal(shouldDeprecate) { - /*global ender:false */ - if (typeof ender !== 'undefined') { - return; - } - oldGlobalMoment = globalScope.moment; - if (shouldDeprecate) { - globalScope.moment = deprecate( - 'Accessing Moment through the global scope is ' + - 'deprecated, and will be removed in an upcoming ' + - 'release.', - moment); - } else { - globalScope.moment = moment; - } - } + this.setProperties(properties, constants); - // CommonJS module is defined - if (hasModule) { - module.exports = moment; - } else if (true) { - !(__WEBPACK_AMD_DEFINE_RESULT__ = function (require, exports, module) { - if (module.config && module.config() && module.config().noGlobal === true) { - // release the global variable - globalScope.moment = oldGlobalMoment; - } + // creating the variables for clustering + this.resetCluster(); + this.dynamicEdgesLength = 0; + this.clusterSession = 0; + this.clusterSizeWidthFactor = networkConstants.clustering.nodeScaling.width; + this.clusterSizeHeightFactor = networkConstants.clustering.nodeScaling.height; + this.clusterSizeRadiusFactor = networkConstants.clustering.nodeScaling.radius; + this.maxNodeSizeIncrements = networkConstants.clustering.maxNodeSizeIncrements; + this.growthIndicator = 0; - return moment; - }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); - makeGlobal(true); - } else { - makeGlobal(); - } - }).call(this); - - /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(71)(module))) + // variables to tell the node about the network. + this.networkScaleInv = 1; + this.networkScale = 1; + this.canvasTopLeft = {"x": -300, "y": -300}; + this.canvasBottomRight = {"x": 300, "y": 300}; + this.parentEdgeId = null; + } -/***/ }, -/* 58 */ -/***/ function(module, exports, __webpack_require__) { - var __WEBPACK_AMD_DEFINE_RESULT__;/*! Hammer.JS - v1.1.3 - 2014-05-20 - * http://eightmedia.github.io/hammer.js - * - * Copyright (c) 2014 Jorik Tangelder ; - * Licensed under the MIT license */ + /** + * Revert the position and velocity of the previous step. + */ + Node.prototype.revertPosition = function() { + this.x = this.previousState.x; + this.y = this.previousState.y; + this.vx = this.previousState.vx; + this.vy = this.previousState.vy; + } - (function(window, undefined) { - 'use strict'; /** - * @main - * @module hammer - * - * @class Hammer - * @static + * (re)setting the clustering variables and objects */ + Node.prototype.resetCluster = function() { + // clustering variables + this.formationScale = undefined; // this is used to determine when to open the cluster + this.clusterSize = 1; // this signifies the total amount of nodes in this cluster + this.containedNodes = {}; + this.containedEdges = {}; + this.clusterSessions = []; + }; /** - * Hammer, use this to create instances - * ```` - * var hammertime = new Hammer(myElement); - * ```` - * - * @method Hammer - * @param {HTMLElement} element - * @param {Object} [options={}] - * @return {Hammer.Instance} + * Attach a edge to the node + * @param {Edge} edge */ - var Hammer = function Hammer(element, options) { - return new Hammer.Instance(element, options || {}); + Node.prototype.attachEdge = function(edge) { + if (this.edges.indexOf(edge) == -1) { + this.edges.push(edge); + } + if (this.dynamicEdges.indexOf(edge) == -1) { + this.dynamicEdges.push(edge); + } + this.dynamicEdgesLength = this.dynamicEdges.length; }; /** - * version, as defined in package.json - * the value will be set at each build - * @property VERSION - * @final - * @type {String} + * Detach a edge from the node + * @param {Edge} edge */ - Hammer.VERSION = '1.1.3'; + Node.prototype.detachEdge = function(edge) { + var index = this.edges.indexOf(edge); + if (index != -1) { + this.edges.splice(index, 1); + } + index = this.dynamicEdges.indexOf(edge); + if (index != -1) { + this.dynamicEdges.splice(index, 1); + } + this.dynamicEdgesLength = this.dynamicEdges.length; + }; + /** - * default settings. - * more settings are defined per gesture at `/gestures`. Each gesture can be disabled/enabled - * by setting it's name (like `swipe`) to false. - * You can set the defaults for all instances by changing this object before creating an instance. - * @example - * ```` - * Hammer.defaults.drag = false; - * Hammer.defaults.behavior.touchAction = 'pan-y'; - * delete Hammer.defaults.behavior.userSelect; - * ```` - * @property defaults - * @type {Object} + * Set or overwrite properties for the node + * @param {Object} properties an object with properties + * @param {Object} constants and object with default, global properties */ - Hammer.defaults = { - /** - * this setting object adds styles and attributes to the element to prevent the browser from doing - * its native behavior. The css properties are auto prefixed for the browsers when needed. - * @property defaults.behavior - * @type {Object} - */ - behavior: { - /** - * Disables text selection to improve the dragging gesture. When the value is `none` it also sets - * `onselectstart=false` for IE on the element. Mainly for desktop browsers. - * @property defaults.behavior.userSelect - * @type {String} - * @default 'none' - */ - userSelect: 'none', + Node.prototype.setProperties = function(properties, constants) { + if (!properties) { + return; + } - /** - * Specifies whether and how a given region can be manipulated by the user (for instance, by panning or zooming). - * Used by Chrome 35> and IE10>. By default this makes the element blocking any touch event. - * @property defaults.behavior.touchAction - * @type {String} - * @default: 'pan-y' - */ - touchAction: 'pan-y', + var fields = ['borderWidth','borderWidthSelected','shape','image','brokenImage','radius','fontColor', + 'fontSize','fontFace','fontFill','fontStrokeWidth','fontStrokeColor','group','mass' + ]; + util.selectiveDeepExtend(fields, this.options, properties); - /** - * Disables the default callout shown when you touch and hold a touch target. - * On iOS, when you touch and hold a touch target such as a link, Safari displays - * a callout containing information about the link. This property allows you to disable that callout. - * @property defaults.behavior.touchCallout - * @type {String} - * @default 'none' - */ - touchCallout: 'none', + // basic properties + if (properties.id !== undefined) {this.id = properties.id;} + if (properties.label !== undefined) {this.label = properties.label; this.originalLabel = properties.label;} + if (properties.title !== undefined) {this.title = properties.title;} + if (properties.x !== undefined) {this.x = properties.x;} + if (properties.y !== undefined) {this.y = properties.y;} + if (properties.value !== undefined) {this.value = properties.value;} + if (properties.level !== undefined) {this.level = properties.level; this.preassignedLevel = true;} - /** - * Specifies whether zooming is enabled. Used by IE10> - * @property defaults.behavior.contentZooming - * @type {String} - * @default 'none' - */ - contentZooming: 'none', + // navigation controls properties + if (properties.horizontalAlignLeft !== undefined) {this.horizontalAlignLeft = properties.horizontalAlignLeft;} + if (properties.verticalAlignTop !== undefined) {this.verticalAlignTop = properties.verticalAlignTop;} + if (properties.triggerFunction !== undefined) {this.triggerFunction = properties.triggerFunction;} - /** - * Specifies that an entire element should be draggable instead of its contents. - * Mainly for desktop browsers. - * @property defaults.behavior.userDrag - * @type {String} - * @default 'none' - */ - userDrag: 'none', + if (this.id === undefined) { + throw "Node must have an id"; + } - /** - * Overrides the highlight color shown when the user taps a link or a JavaScript - * clickable element in Safari on iPhone. This property obeys the alpha value, if specified. - * - * If you don't specify an alpha value, Safari on iPhone applies a default alpha value - * to the color. To disable tap highlighting, set the alpha value to 0 (invisible). - * If you set the alpha value to 1.0 (opaque), the element is not visible when tapped. - * @property defaults.behavior.tapHighlightColor - * @type {String} - * @default 'rgba(0,0,0,0)' - */ - tapHighlightColor: 'rgba(0,0,0,0)' - } - }; + // copy group properties + if (typeof this.options.group === 'number' || (typeof this.options.group === 'string' && this.options.group != '')) { + var groupObj = this.grouplist.get(this.options.group); + util.deepExtend(this.options, groupObj); + // the color object needs to be completely defined. Since groups can partially overwrite the colors, we parse it again, just in case. + this.options.color = util.parseColor(this.options.color); + } - /** - * hammer document where the base events are added at - * @property DOCUMENT - * @type {HTMLElement} - * @default window.document - */ - Hammer.DOCUMENT = document; + // individual shape properties + if (properties.radius !== undefined) {this.baseRadiusValue = this.options.radius;} + if (properties.color !== undefined) {this.options.color = util.parseColor(properties.color);} + if (this.options.image !== undefined && this.options.image!= "") { + if (this.imagelist) { + this.imageObj = this.imagelist.load(this.options.image, this.options.brokenImage); + } + else { + throw "No imagelist provided"; + } + } - /** - * detect support for pointer events - * @property HAS_POINTEREVENTS - * @type {Boolean} - */ - Hammer.HAS_POINTEREVENTS = navigator.pointerEnabled || navigator.msPointerEnabled; + if (properties.allowedToMoveX !== undefined) { + this.xFixed = !properties.allowedToMoveX; + this.allowedToMoveX = properties.allowedToMoveX; + } + else if (properties.x !== undefined && this.allowedToMoveX == false) { + this.xFixed = true; + } - /** - * detect support for touch events - * @property HAS_TOUCHEVENTS - * @type {Boolean} - */ - Hammer.HAS_TOUCHEVENTS = ('ontouchstart' in window); - /** - * detect mobile browsers - * @property IS_MOBILE - * @type {Boolean} - */ - Hammer.IS_MOBILE = /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent); + if (properties.allowedToMoveY !== undefined) { + this.yFixed = !properties.allowedToMoveY; + this.allowedToMoveY = properties.allowedToMoveY; + } + else if (properties.y !== undefined && this.allowedToMoveY == false) { + this.yFixed = true; + } - /** - * detect if we want to support mouseevents at all - * @property NO_MOUSEEVENTS - * @type {Boolean} - */ - Hammer.NO_MOUSEEVENTS = (Hammer.HAS_TOUCHEVENTS && Hammer.IS_MOBILE) || Hammer.HAS_POINTEREVENTS; + this.radiusFixed = this.radiusFixed || (properties.radius !== undefined); - /** - * interval in which Hammer recalculates current velocity/direction/angle in ms - * @property CALCULATE_INTERVAL - * @type {Number} - * @default 25 - */ - Hammer.CALCULATE_INTERVAL = 25; + if (this.options.shape === 'image' || this.options.shape === 'circularImage') { + this.options.radiusMin = constants.nodes.widthMin; + this.options.radiusMax = constants.nodes.widthMax; + } - /** - * eventtypes per touchevent (start, move, end) are filled by `Event.determineEventTypes` on `setup` - * the object contains the DOM event names per type (`EVENT_START`, `EVENT_MOVE`, `EVENT_END`) - * @property EVENT_TYPES - * @private - * @writeOnce - * @type {Object} - */ - var EVENT_TYPES = {}; + // choose draw method depending on the shape + switch (this.options.shape) { + case 'database': this.draw = this._drawDatabase; this.resize = this._resizeDatabase; break; + case 'box': this.draw = this._drawBox; this.resize = this._resizeBox; break; + case 'circle': this.draw = this._drawCircle; this.resize = this._resizeCircle; break; + case 'ellipse': this.draw = this._drawEllipse; this.resize = this._resizeEllipse; break; + // TODO: add diamond shape + case 'image': this.draw = this._drawImage; this.resize = this._resizeImage; break; + case 'circularImage': this.draw = this._drawCircularImage; this.resize = this._resizeCircularImage; break; + case 'text': this.draw = this._drawText; this.resize = this._resizeText; break; + case 'dot': this.draw = this._drawDot; this.resize = this._resizeShape; break; + case 'square': this.draw = this._drawSquare; this.resize = this._resizeShape; break; + case 'triangle': this.draw = this._drawTriangle; this.resize = this._resizeShape; break; + case 'triangleDown': this.draw = this._drawTriangleDown; this.resize = this._resizeShape; break; + case 'star': this.draw = this._drawStar; this.resize = this._resizeShape; break; + default: this.draw = this._drawEllipse; this.resize = this._resizeEllipse; break; + } + // reset the size of the node, this can be changed + this._reset(); - /** - * direction strings, for safe comparisons - * @property DIRECTION_DOWN|LEFT|UP|RIGHT - * @final - * @type {String} - * @default 'down' 'left' 'up' 'right' - */ - var DIRECTION_DOWN = Hammer.DIRECTION_DOWN = 'down'; - var DIRECTION_LEFT = Hammer.DIRECTION_LEFT = 'left'; - var DIRECTION_UP = Hammer.DIRECTION_UP = 'up'; - var DIRECTION_RIGHT = Hammer.DIRECTION_RIGHT = 'right'; + }; /** - * pointertype strings, for safe comparisons - * @property POINTER_MOUSE|TOUCH|PEN - * @final - * @type {String} - * @default 'mouse' 'touch' 'pen' + * select this node */ - var POINTER_MOUSE = Hammer.POINTER_MOUSE = 'mouse'; - var POINTER_TOUCH = Hammer.POINTER_TOUCH = 'touch'; - var POINTER_PEN = Hammer.POINTER_PEN = 'pen'; + Node.prototype.select = function() { + this.selected = true; + this._reset(); + }; /** - * eventtypes - * @property EVENT_START|MOVE|END|RELEASE|TOUCH - * @final - * @type {String} - * @default 'start' 'change' 'move' 'end' 'release' 'touch' + * unselect this node */ - var EVENT_START = Hammer.EVENT_START = 'start'; - var EVENT_MOVE = Hammer.EVENT_MOVE = 'move'; - var EVENT_END = Hammer.EVENT_END = 'end'; - var EVENT_RELEASE = Hammer.EVENT_RELEASE = 'release'; - var EVENT_TOUCH = Hammer.EVENT_TOUCH = 'touch'; + Node.prototype.unselect = function() { + this.selected = false; + this._reset(); + }; - /** - * if the window events are set... - * @property READY - * @writeOnce - * @type {Boolean} - * @default false - */ - Hammer.READY = false; /** - * plugins namespace - * @property plugins - * @type {Object} + * Reset the calculated size of the node, forces it to recalculate its size */ - Hammer.plugins = Hammer.plugins || {}; + Node.prototype.clearSizeCache = function() { + this._reset(); + }; /** - * gestures namespace - * see `/gestures` for the definitions - * @property gestures - * @type {Object} + * Reset the calculated size of the node, forces it to recalculate its size + * @private */ - Hammer.gestures = Hammer.gestures || {}; + Node.prototype._reset = function() { + this.width = undefined; + this.height = undefined; + }; /** - * setup events to detect gestures on the document - * this function is called when creating an new instance - * @private + * get the title of this node. + * @return {string} title The title of the node, or undefined when no title + * has been set. */ - function setup() { - if(Hammer.READY) { - return; - } - - // find what eventtypes we add listeners to - Event.determineEventTypes(); - - // Register all gestures inside Hammer.gestures - Utils.each(Hammer.gestures, function(gesture) { - Detection.register(gesture); - }); - - // Add touch events on the document - Event.onTouch(Hammer.DOCUMENT, EVENT_MOVE, Detection.detect); - Event.onTouch(Hammer.DOCUMENT, EVENT_END, Detection.detect); - - // Hammer is ready...! - Hammer.READY = true; - } + Node.prototype.getTitle = function() { + return typeof this.title === "function" ? this.title() : this.title; + }; /** - * @module hammer - * - * @class Utils - * @static + * Calculate the distance to the border of the Node + * @param {CanvasRenderingContext2D} ctx + * @param {Number} angle Angle in radians + * @returns {number} distance Distance to the border in pixels */ - var Utils = Hammer.utils = { - /** - * extend method, could also be used for cloning when `dest` is an empty object. - * changes the dest object - * @method extend - * @param {Object} dest - * @param {Object} src - * @param {Boolean} [merge=false] do a merge - * @return {Object} dest - */ - extend: function extend(dest, src, merge) { - for(var key in src) { - if(!src.hasOwnProperty(key) || (dest[key] !== undefined && merge)) { - continue; - } - dest[key] = src[key]; - } - return dest; - }, - - /** - * simple addEventListener wrapper - * @method on - * @param {HTMLElement} element - * @param {String} type - * @param {Function} handler - */ - on: function on(element, type, handler) { - element.addEventListener(type, handler, false); - }, - - /** - * simple removeEventListener wrapper - * @method off - * @param {HTMLElement} element - * @param {String} type - * @param {Function} handler - */ - off: function off(element, type, handler) { - element.removeEventListener(type, handler, false); - }, - - /** - * forEach over arrays and objects - * @method each - * @param {Object|Array} obj - * @param {Function} iterator - * @param {any} iterator.item - * @param {Number} iterator.index - * @param {Object|Array} iterator.obj the source object - * @param {Object} context value to use as `this` in the iterator - */ - each: function each(obj, iterator, context) { - var i, len; - - // native forEach on arrays - if('forEach' in obj) { - obj.forEach(iterator, context); - // arrays - } else if(obj.length !== undefined) { - for(i = 0, len = obj.length; i < len; i++) { - if(iterator.call(context, obj[i], i, obj) === false) { - return; - } - } - // objects - } else { - for(i in obj) { - if(obj.hasOwnProperty(i) && - iterator.call(context, obj[i], i, obj) === false) { - return; - } - } - } - }, - - /** - * find if a string contains the string using indexOf - * @method inStr - * @param {String} src - * @param {String} find - * @return {Boolean} found - */ - inStr: function inStr(src, find) { - return src.indexOf(find) > -1; - }, - - /** - * find if a array contains the object using indexOf or a simple polyfill - * @method inArray - * @param {String} src - * @param {String} find - * @return {Boolean|Number} false when not found, or the index - */ - inArray: function inArray(src, find) { - if(src.indexOf) { - var index = src.indexOf(find); - return (index === -1) ? false : index; - } else { - for(var i = 0, len = src.length; i < len; i++) { - if(src[i] === find) { - return i; - } - } - return false; - } - }, - - /** - * convert an array-like object (`arguments`, `touchlist`) to an array - * @method toArray - * @param {Object} obj - * @return {Array} - */ - toArray: function toArray(obj) { - return Array.prototype.slice.call(obj, 0); - }, - - /** - * find if a node is in the given parent - * @method hasParent - * @param {HTMLElement} node - * @param {HTMLElement} parent - * @return {Boolean} found - */ - hasParent: function hasParent(node, parent) { - while(node) { - if(node == parent) { - return true; - } - node = node.parentNode; - } - return false; - }, - - /** - * get the center of all the touches - * @method getCenter - * @param {Array} touches - * @return {Object} center contains `pageX`, `pageY`, `clientX` and `clientY` properties - */ - getCenter: function getCenter(touches) { - var pageX = [], - pageY = [], - clientX = [], - clientY = [], - min = Math.min, - max = Math.max; - - // no need to loop when only one touch - if(touches.length === 1) { - return { - pageX: touches[0].pageX, - pageY: touches[0].pageY, - clientX: touches[0].clientX, - clientY: touches[0].clientY - }; - } - - Utils.each(touches, function(touch) { - pageX.push(touch.pageX); - pageY.push(touch.pageY); - clientX.push(touch.clientX); - clientY.push(touch.clientY); - }); - - return { - pageX: (min.apply(Math, pageX) + max.apply(Math, pageX)) / 2, - pageY: (min.apply(Math, pageY) + max.apply(Math, pageY)) / 2, - clientX: (min.apply(Math, clientX) + max.apply(Math, clientX)) / 2, - clientY: (min.apply(Math, clientY) + max.apply(Math, clientY)) / 2 - }; - }, - - /** - * calculate the velocity between two points. unit is in px per ms. - * @method getVelocity - * @param {Number} deltaTime - * @param {Number} deltaX - * @param {Number} deltaY - * @return {Object} velocity `x` and `y` - */ - getVelocity: function getVelocity(deltaTime, deltaX, deltaY) { - return { - x: Math.abs(deltaX / deltaTime) || 0, - y: Math.abs(deltaY / deltaTime) || 0 - }; - }, - - /** - * calculate the angle between two coordinates - * @method getAngle - * @param {Touch} touch1 - * @param {Touch} touch2 - * @return {Number} angle - */ - getAngle: function getAngle(touch1, touch2) { - var x = touch2.clientX - touch1.clientX, - y = touch2.clientY - touch1.clientY; - - return Math.atan2(y, x) * 180 / Math.PI; - }, - - /** - * do a small comparision to get the direction between two touches. - * @method getDirection - * @param {Touch} touch1 - * @param {Touch} touch2 - * @return {String} direction matches `DIRECTION_LEFT|RIGHT|UP|DOWN` - */ - getDirection: function getDirection(touch1, touch2) { - var x = Math.abs(touch1.clientX - touch2.clientX), - y = Math.abs(touch1.clientY - touch2.clientY); + Node.prototype.distanceToBorder = function (ctx, angle) { + var borderWidth = 1; - if(x >= y) { - return touch1.clientX - touch2.clientX > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; - } - return touch1.clientY - touch2.clientY > 0 ? DIRECTION_UP : DIRECTION_DOWN; - }, + if (!this.width) { + this.resize(ctx); + } - /** - * calculate the distance between two touches - * @method getDistance - * @param {Touch}touch1 - * @param {Touch} touch2 - * @return {Number} distance - */ - getDistance: function getDistance(touch1, touch2) { - var x = touch2.clientX - touch1.clientX, - y = touch2.clientY - touch1.clientY; + switch (this.options.shape) { + case 'circle': + case 'dot': + return this.options.radius+ borderWidth; - return Math.sqrt((x * x) + (y * y)); - }, + case 'ellipse': + var a = this.width / 2; + var b = this.height / 2; + var w = (Math.sin(angle) * a); + var h = (Math.cos(angle) * b); + return a * b / Math.sqrt(w * w + h * h); - /** - * calculate the scale factor between two touchLists - * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out - * @method getScale - * @param {Array} start array of touches - * @param {Array} end array of touches - * @return {Number} scale - */ - getScale: function getScale(start, end) { - // need two fingers... - if(start.length >= 2 && end.length >= 2) { - return this.getDistance(end[0], end[1]) / this.getDistance(start[0], start[1]); - } - return 1; - }, + // TODO: implement distanceToBorder for database + // TODO: implement distanceToBorder for triangle + // TODO: implement distanceToBorder for triangleDown - /** - * calculate the rotation degrees between two touchLists - * @method getRotation - * @param {Array} start array of touches - * @param {Array} end array of touches - * @return {Number} rotation - */ - getRotation: function getRotation(start, end) { - // need two fingers - if(start.length >= 2 && end.length >= 2) { - return this.getAngle(end[1], end[0]) - this.getAngle(start[1], start[0]); - } + case 'box': + case 'image': + case 'text': + default: + if (this.width) { + return Math.min( + Math.abs(this.width / 2 / Math.cos(angle)), + Math.abs(this.height / 2 / Math.sin(angle))) + borderWidth; + // TODO: reckon with border radius too in case of box + } + else { return 0; - }, - - /** - * find out if the direction is vertical * - * @method isVertical - * @param {String} direction matches `DIRECTION_UP|DOWN` - * @return {Boolean} is_vertical - */ - isVertical: function isVertical(direction) { - return direction == DIRECTION_UP || direction == DIRECTION_DOWN; - }, - - /** - * set css properties with their prefixes - * @param {HTMLElement} element - * @param {String} prop - * @param {String} value - * @param {Boolean} [toggle=true] - * @return {Boolean} - */ - setPrefixedCss: function setPrefixedCss(element, prop, value, toggle) { - var prefixes = ['', 'Webkit', 'Moz', 'O', 'ms']; - prop = Utils.toCamelCase(prop); - - for(var i = 0; i < prefixes.length; i++) { - var p = prop; - // prefixes - if(prefixes[i]) { - p = prefixes[i] + p.slice(0, 1).toUpperCase() + p.slice(1); - } + } - // test the style - if(p in element.style) { - element.style[p] = (toggle == null || toggle) && value || ''; - break; - } - } - }, + } + // TODO: implement calculation of distance to border for all shapes + }; - /** - * toggle browser default behavior by setting css properties. - * `userSelect='none'` also sets `element.onselectstart` to false - * `userDrag='none'` also sets `element.ondragstart` to false - * - * @method toggleBehavior - * @param {HtmlElement} element - * @param {Object} props - * @param {Boolean} [toggle=true] - */ - toggleBehavior: function toggleBehavior(element, props, toggle) { - if(!props || !element || !element.style) { - return; - } + /** + * Set forces acting on the node + * @param {number} fx Force in horizontal direction + * @param {number} fy Force in vertical direction + */ + Node.prototype._setForce = function(fx, fy) { + this.fx = fx; + this.fy = fy; + }; - // set the css properties - Utils.each(props, function(value, prop) { - Utils.setPrefixedCss(element, prop, value, toggle); - }); + /** + * Add forces acting on the node + * @param {number} fx Force in horizontal direction + * @param {number} fy Force in vertical direction + * @private + */ + Node.prototype._addForce = function(fx, fy) { + this.fx += fx; + this.fy += fy; + }; - var falseFn = toggle && function() { - return false; - }; + /** + * Store the state before the next step + */ + Node.prototype.storeState = function() { + this.previousState.x = this.x; + this.previousState.y = this.y; + this.previousState.vx = this.vx; + this.previousState.vy = this.vy; + } - // also the disable onselectstart - if(props.userSelect == 'none') { - element.onselectstart = falseFn; - } - // and disable ondragstart - if(props.userDrag == 'none') { - element.ondragstart = falseFn; - } - }, + /** + * Perform one discrete step for the node + * @param {number} interval Time interval in seconds + */ + Node.prototype.discreteStep = function(interval) { + this.storeState(); + if (!this.xFixed) { + var dx = this.damping * this.vx; // damping force + var ax = (this.fx - dx) / this.options.mass; // acceleration + this.vx += ax * interval; // velocity + this.x += this.vx * interval; // position + } + else { + this.fx = 0; + this.vx = 0; + } - /** - * convert a string with underscores to camelCase - * so prevent_default becomes preventDefault - * @param {String} str - * @return {String} camelCaseStr - */ - toCamelCase: function toCamelCase(str) { - return str.replace(/[_-]([a-z])/g, function(s) { - return s[1].toUpperCase(); - }); - } + if (!this.yFixed) { + var dy = this.damping * this.vy; // damping force + var ay = (this.fy - dy) / this.options.mass; // acceleration + this.vy += ay * interval; // velocity + this.y += this.vy * interval; // position + } + else { + this.fy = 0; + this.vy = 0; + } }; + /** - * @module hammer - */ - /** - * @class Event - * @static + * Perform one discrete step for the node + * @param {number} interval Time interval in seconds + * @param {number} maxVelocity The speed limit imposed on the velocity */ - var Event = Hammer.event = { - /** - * when touch events have been fired, this is true - * this is used to stop mouse events - * @property prevent_mouseevents - * @private - * @type {Boolean} - */ - preventMouseEvents: false, - - /** - * if EVENT_START has been fired - * @property started - * @private - * @type {Boolean} - */ - started: false, - - /** - * when the mouse is hold down, this is true - * @property should_detect - * @private - * @type {Boolean} - */ - shouldDetect: false, - - /** - * simple event binder with a hook and support for multiple types - * @method on - * @param {HTMLElement} element - * @param {String} type - * @param {Function} handler - * @param {Function} [hook] - * @param {Object} hook.type - */ - on: function on(element, type, handler, hook) { - var types = type.split(' '); - Utils.each(types, function(type) { - Utils.on(element, type, handler); - hook && hook(type); - }); - }, + Node.prototype.discreteStepLimited = function(interval, maxVelocity) { + this.storeState(); + if (!this.xFixed) { + var dx = this.damping * this.vx; // damping force + var ax = (this.fx - dx) / this.options.mass; // acceleration + this.vx += ax * interval; // velocity + this.vx = (Math.abs(this.vx) > maxVelocity) ? ((this.vx > 0) ? maxVelocity : -maxVelocity) : this.vx; + this.x += this.vx * interval; // position + } + else { + this.fx = 0; + this.vx = 0; + } - /** - * simple event unbinder with a hook and support for multiple types - * @method off - * @param {HTMLElement} element - * @param {String} type - * @param {Function} handler - * @param {Function} [hook] - * @param {Object} hook.type - */ - off: function off(element, type, handler, hook) { - var types = type.split(' '); - Utils.each(types, function(type) { - Utils.off(element, type, handler); - hook && hook(type); - }); - }, + if (!this.yFixed) { + var dy = this.damping * this.vy; // damping force + var ay = (this.fy - dy) / this.options.mass; // acceleration + this.vy += ay * interval; // velocity + this.vy = (Math.abs(this.vy) > maxVelocity) ? ((this.vy > 0) ? maxVelocity : -maxVelocity) : this.vy; + this.y += this.vy * interval; // position + } + else { + this.fy = 0; + this.vy = 0; + } + }; - /** - * the core touch event handler. - * this finds out if we should to detect gestures - * @method onTouch - * @param {HTMLElement} element - * @param {String} eventType matches `EVENT_START|MOVE|END` - * @param {Function} handler - * @return onTouchHandler {Function} the core event handler - */ - onTouch: function onTouch(element, eventType, handler) { - var self = this; + /** + * Check if this node has a fixed x and y position + * @return {boolean} true if fixed, false if not + */ + Node.prototype.isFixed = function() { + return (this.xFixed && this.yFixed); + }; - var onTouchHandler = function onTouchHandler(ev) { - var srcType = ev.type.toLowerCase(), - isPointer = Hammer.HAS_POINTEREVENTS, - isMouse = Utils.inStr(srcType, 'mouse'), - triggerType; + /** + * Check if this node is moving + * @param {number} vmin the minimum velocity considered as "moving" + * @return {boolean} true if moving, false if it has no velocity + */ + Node.prototype.isMoving = function(vmin) { + var velocity = Math.sqrt(Math.pow(this.vx,2) + Math.pow(this.vy,2)); + // this.velocity = Math.sqrt(Math.pow(this.vx,2) + Math.pow(this.vy,2)) + return (velocity > vmin); + }; - // if we are in a mouseevent, but there has been a touchevent triggered in this session - // we want to do nothing. simply break out of the event. - if(isMouse && self.preventMouseEvents) { - return; + /** + * check if this node is selecte + * @return {boolean} selected True if node is selected, else false + */ + Node.prototype.isSelected = function() { + return this.selected; + }; - // mousebutton must be down - } else if(isMouse && eventType == EVENT_START && ev.button === 0) { - self.preventMouseEvents = false; - self.shouldDetect = true; - } else if(isPointer && eventType == EVENT_START) { - self.shouldDetect = (ev.buttons === 1 || PointerEvent.matchType(POINTER_TOUCH, ev)); - // just a valid start event, but no mouse - } else if(!isMouse && eventType == EVENT_START) { - self.preventMouseEvents = true; - self.shouldDetect = true; - } + /** + * Retrieve the value of the node. Can be undefined + * @return {Number} value + */ + Node.prototype.getValue = function() { + return this.value; + }; - // update the pointer event before entering the detection - if(isPointer && eventType != EVENT_END) { - PointerEvent.updatePointer(eventType, ev); - } + /** + * Calculate the distance from the nodes location to the given location (x,y) + * @param {Number} x + * @param {Number} y + * @return {Number} value + */ + Node.prototype.getDistance = function(x, y) { + var dx = this.x - x, + dy = this.y - y; + return Math.sqrt(dx * dx + dy * dy); + }; - // we are in a touch/down state, so allowed detection of gestures - if(self.shouldDetect) { - triggerType = self.doDetect.call(self, ev, eventType, element, handler); - } - // ...and we are done with the detection - // so reset everything to start each detection totally fresh - if(triggerType == EVENT_END) { - self.preventMouseEvents = false; - self.shouldDetect = false; - PointerEvent.reset(); - // update the pointerevent object after the detection - } + /** + * Adjust the value range of the node. The node will adjust it's radius + * based on its value. + * @param {Number} min + * @param {Number} max + */ + Node.prototype.setValueRange = function(min, max) { + if (!this.radiusFixed && this.value !== undefined) { + if (max == min) { + this.options.radius= (this.options.radiusMin + this.options.radiusMax) / 2; + } + else { + var scale = (this.options.radiusMax - this.options.radiusMin) / (max - min); + this.options.radius= (this.value - min) * scale + this.options.radiusMin; + } + } + this.baseRadiusValue = this.options.radius; + }; - if(isPointer && eventType == EVENT_END) { - PointerEvent.updatePointer(eventType, ev); - } - }; + /** + * Draw this node in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + */ + Node.prototype.draw = function(ctx) { + throw "Draw method not initialized for node"; + }; - this.on(element, EVENT_TYPES[eventType], onTouchHandler); - return onTouchHandler; - }, + /** + * Recalculate the size of this node in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + */ + Node.prototype.resize = function(ctx) { + throw "Resize method not initialized for node"; + }; - /** - * the core detection method - * this finds out what hammer-touch-events to trigger - * @method doDetect - * @param {Object} ev - * @param {String} eventType matches `EVENT_START|MOVE|END` - * @param {HTMLElement} element - * @param {Function} handler - * @return {String} triggerType matches `EVENT_START|MOVE|END` - */ - doDetect: function doDetect(ev, eventType, element, handler) { - var touchList = this.getTouchList(ev, eventType); - var touchListLength = touchList.length; - var triggerType = eventType; - var triggerChange = touchList.trigger; // used by fakeMultitouch plugin - var changedLength = touchListLength; + /** + * Check if this object is overlapping with the provided object + * @param {Object} obj an object with parameters left, top, right, bottom + * @return {boolean} True if location is located on node + */ + Node.prototype.isOverlappingWith = function(obj) { + return (this.left < obj.right && + this.left + this.width > obj.left && + this.top < obj.bottom && + this.top + this.height > obj.top); + }; - // at each touchstart-like event we want also want to trigger a TOUCH event... - if(eventType == EVENT_START) { - triggerChange = EVENT_TOUCH; - // ...the same for a touchend-like event - } else if(eventType == EVENT_END) { - triggerChange = EVENT_RELEASE; + Node.prototype._resizeImage = function (ctx) { + // TODO: pre calculate the image size - // keep track of how many touches have been removed - changedLength = touchList.length - ((ev.changedTouches) ? ev.changedTouches.length : 1); - } + if (!this.width || !this.height) { // undefined or 0 + var width, height; + if (this.value) { + this.options.radius= this.baseRadiusValue; + var scale = this.imageObj.height / this.imageObj.width; + if (scale !== undefined) { + width = this.options.radius|| this.imageObj.width; + height = this.options.radius* scale || this.imageObj.height; + } + else { + width = 0; + height = 0; + } + } + else { + width = this.imageObj.width; + height = this.imageObj.height; + } + this.width = width; + this.height = height; - // after there are still touches on the screen, - // we just want to trigger a MOVE event. so change the START or END to a MOVE - // but only after detection has been started, the first time we actualy want a START - if(changedLength > 0 && this.started) { - triggerType = EVENT_MOVE; - } + this.growthIndicator = 0; + if (this.width > 0 && this.height > 0) { + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; + this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - width; + } + } - // detection has been started, we keep track of this, see above - this.started = true; + }; - // generate some event data, some basic information - var evData = this.collectEventData(element, triggerType, touchList, ev); + Node.prototype._drawImageAtPosition = function (ctx) { + if (this.imageObj.width != 0 ) { + // draw the shade + if (this.clusterSize > 1) { + var lineWidth = ((this.clusterSize > 1) ? 10 : 0.0); + lineWidth *= this.networkScaleInv; + lineWidth = Math.min(0.2 * this.width,lineWidth); - // trigger the triggerType event before the change (TOUCH, RELEASE) events - // but the END event should be at last - if(eventType != EVENT_END) { - handler.call(Detection, evData); - } + ctx.globalAlpha = 0.5; + ctx.drawImage(this.imageObj, this.left - lineWidth, this.top - lineWidth, this.width + 2*lineWidth, this.height + 2*lineWidth); + } - // trigger a change (TOUCH, RELEASE) event, this means the length of the touches changed - if(triggerChange) { - evData.changedLength = changedLength; - evData.eventType = triggerChange; + // draw the image + ctx.globalAlpha = 1.0; + ctx.drawImage(this.imageObj, this.left, this.top, this.width, this.height); + } + }; - handler.call(Detection, evData); + Node.prototype._drawImageLabel = function (ctx) { + var yLabel; + if (this.imageObj.width != 0 ) { + yLabel = this.y + this.height / 2; + } + else { + // image still loading... just draw the label for now + yLabel = this.y; + } - evData.eventType = triggerType; - delete evData.changedLength; - } + this._label(ctx, this.label, this.x, yLabel, undefined, 'hanging'); + }; - // trigger the END event - if(triggerType == EVENT_END) { - handler.call(Detection, evData); + Node.prototype._drawImage = function (ctx) { + this._resizeImage(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - // ...and we are done with the detection - // so reset everything to start each detection totally fresh - this.started = false; - } + this._drawImageAtPosition(ctx); - return triggerType; - }, + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; - /** - * we have different events for each device/browser - * determine what we need and set them in the EVENT_TYPES constant - * the `onTouch` method is bind to these properties. - * @method determineEventTypes - * @return {Object} events - */ - determineEventTypes: function determineEventTypes() { - var types; - if(Hammer.HAS_POINTEREVENTS) { - if(window.PointerEvent) { - types = [ - 'pointerdown', - 'pointermove', - 'pointerup pointercancel lostpointercapture' - ]; - } else { - types = [ - 'MSPointerDown', - 'MSPointerMove', - 'MSPointerUp MSPointerCancel MSLostPointerCapture' - ]; - } - } else if(Hammer.NO_MOUSEEVENTS) { - types = [ - 'touchstart', - 'touchmove', - 'touchend touchcancel' - ]; - } else { - types = [ - 'touchstart mousedown', - 'touchmove mousemove', - 'touchend touchcancel mouseup' - ]; - } + this._drawImageLabel(ctx); + this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); + this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); + this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); + }; - EVENT_TYPES[EVENT_START] = types[0]; - EVENT_TYPES[EVENT_MOVE] = types[1]; - EVENT_TYPES[EVENT_END] = types[2]; - return EVENT_TYPES; - }, + Node.prototype._resizeCircularImage = function (ctx) { + this._resizeImage(ctx); + }; - /** - * create touchList depending on the event - * @method getTouchList - * @param {Object} ev - * @param {String} eventType - * @return {Array} touches - */ - getTouchList: function getTouchList(ev, eventType) { - // get the fake pointerEvent touchlist - if(Hammer.HAS_POINTEREVENTS) { - return PointerEvent.getTouchList(); - } + Node.prototype._drawCircularImage = function (ctx) { + this._resizeCircularImage(ctx); - // get the touchlist - if(ev.touches) { - if(eventType == EVENT_MOVE) { - return ev.touches; - } + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; + + var centerX = this.left + (this.width / 2); + var centerY = this.top + (this.height / 2); + var radius = Math.abs(this.height / 2); - var identifiers = []; - var concat = [].concat(Utils.toArray(ev.touches), Utils.toArray(ev.changedTouches)); - var touchList = []; + this._drawRawCircle(ctx, centerX, centerY, radius); - Utils.each(concat, function(touch) { - if(Utils.inArray(identifiers, touch.identifier) === false) { - touchList.push(touch); - } - identifiers.push(touch.identifier); - }); + ctx.save(); + ctx.circle(this.x, this.y, radius); + ctx.stroke(); + ctx.clip(); - return touchList; - } + this._drawImageAtPosition(ctx); - // make fake touchList from mouse position - ev.identifier = 1; - return [ev]; - }, + ctx.restore(); - /** - * collect basic event data - * @method collectEventData - * @param {HTMLElement} element - * @param {String} eventType matches `EVENT_START|MOVE|END` - * @param {Array} touches - * @param {Object} ev - * @return {Object} ev - */ - collectEventData: function collectEventData(element, eventType, touches, ev) { - // find out pointerType - var pointerType = POINTER_TOUCH; - if(Utils.inStr(ev.type, 'mouse') || PointerEvent.matchType(POINTER_MOUSE, ev)) { - pointerType = POINTER_MOUSE; - } else if(PointerEvent.matchType(POINTER_PEN, ev)) { - pointerType = POINTER_PEN; - } + this.boundingBox.top = this.y - this.options.radius; + this.boundingBox.left = this.x - this.options.radius; + this.boundingBox.right = this.x + this.options.radius; + this.boundingBox.bottom = this.y + this.options.radius; - return { - center: Utils.getCenter(touches), - timeStamp: Date.now(), - target: ev.target, - touches: touches, - eventType: eventType, - pointerType: pointerType, - srcEvent: ev, + this._drawImageLabel(ctx); + + this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); + this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); + this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); + }; - /** - * prevent the browser default actions - * mostly used to disable scrolling of the browser - */ - preventDefault: function() { - var srcEvent = this.srcEvent; - srcEvent.preventManipulation && srcEvent.preventManipulation(); - srcEvent.preventDefault && srcEvent.preventDefault(); - }, + Node.prototype._resizeBox = function (ctx) { + if (!this.width) { + var margin = 5; + var textSize = this.getTextSize(ctx); + this.width = textSize.width + 2 * margin; + this.height = textSize.height + 2 * margin; - /** - * stop bubbling the event up to its parents - */ - stopPropagation: function() { - this.srcEvent.stopPropagation(); - }, + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeHeightFactor; + this.growthIndicator = this.width - (textSize.width + 2 * margin); + // this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; - /** - * immediately stop gesture detection - * might be useful after a swipe was detected - * @return {*} - */ - stopDetect: function() { - return Detection.stopDetect(); - } - }; - } + } }; + Node.prototype._drawBox = function (ctx) { + this._resizeBox(ctx); - /** - * @module hammer - * - * @class PointerEvent - * @static - */ - var PointerEvent = Hammer.PointerEvent = { - /** - * holds all pointers, by `identifier` - * @property pointers - * @type {Object} - */ - pointers: {}, + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - /** - * get the pointers as an array - * @method getTouchList - * @return {Array} touchlist - */ - getTouchList: function getTouchList() { - var touchlist = []; - // we can use forEach since pointerEvents only is in IE10 - Utils.each(this.pointers, function(pointer) { - touchlist.push(pointer); - }); - return touchlist; - }, + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - /** - * update the position of a pointer - * @method updatePointer - * @param {String} eventType matches `EVENT_START|MOVE|END` - * @param {Object} pointerEvent - */ - updatePointer: function updatePointer(eventType, pointerEvent) { - if(eventType == EVENT_END || (eventType != EVENT_END && pointerEvent.buttons !== 1)) { - delete this.pointers[pointerEvent.pointerId]; - } else { - pointerEvent.identifier = pointerEvent.pointerId; - this.pointers[pointerEvent.pointerId] = pointerEvent; - } - }, + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - /** - * check if ev matches pointertype - * @method matchType - * @param {String} pointerType matches `POINTER_MOUSE|TOUCH|PEN` - * @param {PointerEvent} ev - */ - matchType: function matchType(pointerType, ev) { - if(!ev.pointerType) { - return false; - } + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - var pt = ev.pointerType, - types = {}; + ctx.roundRect(this.left-2*ctx.lineWidth, this.top-2*ctx.lineWidth, this.width+4*ctx.lineWidth, this.height+4*ctx.lineWidth, this.options.radius); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - types[POINTER_MOUSE] = (pt === (ev.MSPOINTER_TYPE_MOUSE || POINTER_MOUSE)); - types[POINTER_TOUCH] = (pt === (ev.MSPOINTER_TYPE_TOUCH || POINTER_TOUCH)); - types[POINTER_PEN] = (pt === (ev.MSPOINTER_TYPE_PEN || POINTER_PEN)); - return types[pointerType]; - }, + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - /** - * reset the stored pointers - * @method reset - */ - reset: function resetList() { - this.pointers = {}; - } + ctx.roundRect(this.left, this.top, this.width, this.height, this.options.radius); + ctx.fill(); + ctx.stroke(); + + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; + + this._label(ctx, this.label, this.x, this.y); }; - /** - * @module hammer - * - * @class Detection - * @static - */ - var Detection = Hammer.detection = { - // contains all registred Hammer.gestures in the correct order - gestures: [], + Node.prototype._resizeDatabase = function (ctx) { + if (!this.width) { + var margin = 5; + var textSize = this.getTextSize(ctx); + var size = textSize.width + 2 * margin; + this.width = size; + this.height = size; - // data of the current Hammer.gesture detection session - current: null, + // scaling used for clustering + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; + this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - size; + } + }; - // the previous Hammer.gesture session data - // is a full clone of the previous gesture.current object - previous: null, + Node.prototype._drawDatabase = function (ctx) { + this._resizeDatabase(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - // when this becomes true, no gestures are fired - stopped: false, + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - /** - * start Hammer.gesture detection - * @method startDetect - * @param {Hammer.Instance} inst - * @param {Object} eventData - */ - startDetect: function startDetect(inst, eventData) { - // already busy with a Hammer.gesture detection on an element - if(this.current) { - return; - } + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - this.stopped = false; + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - // holds current session - this.current = { - inst: inst, // reference to HammerInstance we're working for - startEvent: Utils.extend({}, eventData), // start eventData for distances, timing etc - lastEvent: false, // last eventData - lastCalcEvent: false, // last eventData for calculations. - futureCalcEvent: false, // last eventData for calculations. - lastCalcData: {}, // last lastCalcData - name: '' // current gesture we're in/detected, can be 'tap', 'hold' etc - }; + ctx.database(this.x - this.width/2 - 2*ctx.lineWidth, this.y - this.height*0.5 - 2*ctx.lineWidth, this.width + 4*ctx.lineWidth, this.height + 4*ctx.lineWidth); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - this.detect(eventData); - }, + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; + ctx.database(this.x - this.width/2, this.y - this.height*0.5, this.width, this.height); + ctx.fill(); + ctx.stroke(); - /** - * Hammer.gesture detection - * @method detect - * @param {Object} eventData - * @return {any} - */ - detect: function detect(eventData) { - if(!this.current || this.stopped) { - return; - } + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; - // extend event data with calculations about scale, distance etc - eventData = this.extendEventData(eventData); + this._label(ctx, this.label, this.x, this.y); + }; - // hammer instance and instance options - var inst = this.current.inst, - instOptions = inst.options; - // call Hammer.gesture handlers - Utils.each(this.gestures, function triggerGesture(gesture) { - // only when the instance options have enabled this gesture - if(!this.stopped && inst.enabled && instOptions[gesture.name]) { - gesture.handler.call(gesture, eventData, inst); - } - }, this); + Node.prototype._resizeCircle = function (ctx) { + if (!this.width) { + var margin = 5; + var textSize = this.getTextSize(ctx); + var diameter = Math.max(textSize.width, textSize.height) + 2 * margin; + this.options.radius = diameter / 2; - // store as previous event event - if(this.current) { - this.current.lastEvent = eventData; - } + this.width = diameter; + this.height = diameter; - if(eventData.eventType == EVENT_END) { - this.stopDetect(); - } + // scaling used for clustering + // this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeWidthFactor; + // this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeHeightFactor; + this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; + this.growthIndicator = this.options.radius- 0.5*diameter; + } + }; - return eventData; - }, + Node.prototype._drawRawCircle = function (ctx, x, y, radius) { + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - /** - * clear the Hammer.gesture vars - * this is called on endDetect, but can also be used when a final Hammer.gesture has been detected - * to stop other Hammer.gestures from being fired - * @method stopDetect - */ - stopDetect: function stopDetect() { - // clone current data to the store as the previous gesture - // used for the double tap gesture, since this is an other gesture detect session - this.previous = Utils.extend({}, this.current); + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - // reset the current - this.current = null; - this.stopped = true; - }, + ctx.circle(x, y, radius+2*ctx.lineWidth); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - /** - * calculate velocity, angle and direction - * @method getVelocityData - * @param {Object} ev - * @param {Object} center - * @param {Number} deltaTime - * @param {Number} deltaX - * @param {Number} deltaY - */ - getCalculatedData: function getCalculatedData(ev, center, deltaTime, deltaX, deltaY) { - var cur = this.current, - recalc = false, - calcEv = cur.lastCalcEvent, - calcData = cur.lastCalcData; + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; + ctx.circle(this.x, this.y, radius); + ctx.fill(); + ctx.stroke(); + }; - if(calcEv && ev.timeStamp - calcEv.timeStamp > Hammer.CALCULATE_INTERVAL) { - center = calcEv.center; - deltaTime = ev.timeStamp - calcEv.timeStamp; - deltaX = ev.center.clientX - calcEv.center.clientX; - deltaY = ev.center.clientY - calcEv.center.clientY; - recalc = true; - } + Node.prototype._drawCircle = function (ctx) { + this._resizeCircle(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { - cur.futureCalcEvent = ev; - } + this._drawRawCircle(ctx, this.x, this.y, this.options.radius); - if(!cur.lastCalcEvent || recalc) { - calcData.velocity = Utils.getVelocity(deltaTime, deltaX, deltaY); - calcData.angle = Utils.getAngle(center, ev.center); - calcData.direction = Utils.getDirection(center, ev.center); + this.boundingBox.top = this.y - this.options.radius; + this.boundingBox.left = this.x - this.options.radius; + this.boundingBox.right = this.x + this.options.radius; + this.boundingBox.bottom = this.y + this.options.radius; - cur.lastCalcEvent = cur.futureCalcEvent || ev; - cur.futureCalcEvent = ev; - } + this._label(ctx, this.label, this.x, this.y); + }; - ev.velocityX = calcData.velocity.x; - ev.velocityY = calcData.velocity.y; - ev.interimAngle = calcData.angle; - ev.interimDirection = calcData.direction; - }, + Node.prototype._resizeEllipse = function (ctx) { + if (!this.width) { + var textSize = this.getTextSize(ctx); - /** - * extend eventData for Hammer.gestures - * @method extendEventData - * @param {Object} ev - * @return {Object} ev - */ - extendEventData: function extendEventData(ev) { - var cur = this.current, - startEv = cur.startEvent, - lastEv = cur.lastEvent || startEv; + this.width = textSize.width * 1.5; + this.height = textSize.height * 2; + if (this.width < this.height) { + this.width = this.height; + } + var defaultSize = this.width; - // update the start touchlist to calculate the scale/rotation - if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { - startEv.touches = []; - Utils.each(ev.touches, function(touch) { - startEv.touches.push({ - clientX: touch.clientX, - clientY: touch.clientY - }); - }); - } + // scaling used for clustering + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; + this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - defaultSize; + } + }; - var deltaTime = ev.timeStamp - startEv.timeStamp, - deltaX = ev.center.clientX - startEv.center.clientX, - deltaY = ev.center.clientY - startEv.center.clientY; + Node.prototype._drawEllipse = function (ctx) { + this._resizeEllipse(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - this.getCalculatedData(ev, lastEv.center, deltaTime, deltaX, deltaY); + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - Utils.extend(ev, { - startEvent: startEv, + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - deltaTime: deltaTime, - deltaX: deltaX, - deltaY: deltaY, + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - distance: Utils.getDistance(startEv.center, ev.center), - angle: Utils.getAngle(startEv.center, ev.center), - direction: Utils.getDirection(startEv.center, ev.center), - scale: Utils.getScale(startEv.touches, ev.touches), - rotation: Utils.getRotation(startEv.touches, ev.touches) - }); + ctx.ellipse(this.left-2*ctx.lineWidth, this.top-2*ctx.lineWidth, this.width+4*ctx.lineWidth, this.height+4*ctx.lineWidth); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - return ev; - }, + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - /** - * register new gesture - * @method register - * @param {Object} gesture object, see `gestures/` for documentation - * @return {Array} gestures - */ - register: function register(gesture) { - // add an enable gesture options if there is no given - var options = gesture.defaults || {}; - if(options[gesture.name] === undefined) { - options[gesture.name] = true; - } + ctx.ellipse(this.left, this.top, this.width, this.height); + ctx.fill(); + ctx.stroke(); - // extend Hammer default options with the Hammer.gesture options - Utils.extend(Hammer.defaults, options, true); + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; - // set its index - gesture.index = gesture.index || 1000; + this._label(ctx, this.label, this.x, this.y); + }; - // add Hammer.gesture to the list - this.gestures.push(gesture); + Node.prototype._drawDot = function (ctx) { + this._drawShape(ctx, 'circle'); + }; - // sort the list by index - this.gestures.sort(function(a, b) { - if(a.index < b.index) { - return -1; - } - if(a.index > b.index) { - return 1; - } - return 0; - }); + Node.prototype._drawTriangle = function (ctx) { + this._drawShape(ctx, 'triangle'); + }; - return this.gestures; - } + Node.prototype._drawTriangleDown = function (ctx) { + this._drawShape(ctx, 'triangleDown'); }; + Node.prototype._drawSquare = function (ctx) { + this._drawShape(ctx, 'square'); + }; - /** - * @module hammer - */ + Node.prototype._drawStar = function (ctx) { + this._drawShape(ctx, 'star'); + }; - /** - * create new hammer instance - * all methods should return the instance itself, so it is chainable. - * - * @class Instance - * @constructor - * @param {HTMLElement} element - * @param {Object} [options={}] options are merged with `Hammer.defaults` - * @return {Hammer.Instance} - */ - Hammer.Instance = function(element, options) { - var self = this; + Node.prototype._resizeShape = function (ctx) { + if (!this.width) { + this.options.radius= this.baseRadiusValue; + var size = 2 * this.options.radius; + this.width = size; + this.height = size; - // setup HammerJS window events and register all gestures - // this also sets up the default options - setup(); + // scaling used for clustering + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; + this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - size; + } + }; - /** - * @property element - * @type {HTMLElement} - */ - this.element = element; + Node.prototype._drawShape = function (ctx, shape) { + this._resizeShape(ctx); - /** - * @property enabled - * @type {Boolean} - * @protected - */ - this.enabled = true; + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - /** - * options, merged with the defaults - * options with an _ are converted to camelCase - * @property options - * @type {Object} - */ - Utils.each(options, function(value, name) { - delete options[name]; - options[Utils.toCamelCase(name)] = value; - }); + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + var radiusMultiplier = 2; + + // choose draw method depending on the shape + switch (shape) { + case 'dot': radiusMultiplier = 2; break; + case 'square': radiusMultiplier = 2; break; + case 'triangle': radiusMultiplier = 3; break; + case 'triangleDown': radiusMultiplier = 3; break; + case 'star': radiusMultiplier = 4; break; + } - this.options = Utils.extend(Utils.extend({}, Hammer.defaults), options || {}); + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - // add some css to the element to prevent the browser from doing its native behavoir - if(this.options.behavior) { - Utils.toggleBehavior(this.element, this.options.behavior, true); - } + ctx[shape](this.x, this.y, this.options.radius+ radiusMultiplier * ctx.lineWidth); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - /** - * event start handler on the element to start the detection - * @property eventStartHandler - * @type {Object} - */ - this.eventStartHandler = Event.onTouch(element, EVENT_START, function(ev) { - if(self.enabled && ev.eventType == EVENT_START) { - Detection.startDetect(self, ev); - } else if(ev.eventType == EVENT_TOUCH) { - Detection.detect(ev); - } - }); + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; + ctx[shape](this.x, this.y, this.options.radius); + ctx.fill(); + ctx.stroke(); - /** - * keep a list of user event handlers which needs to be removed when calling 'dispose' - * @property eventHandlers - * @type {Array} - */ - this.eventHandlers = []; + this.boundingBox.top = this.y - this.options.radius; + this.boundingBox.left = this.x - this.options.radius; + this.boundingBox.right = this.x + this.options.radius; + this.boundingBox.bottom = this.y + this.options.radius; + + if (this.label) { + this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'hanging',true); + this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); + this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); + this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); + } }; - Hammer.Instance.prototype = { - /** - * bind events to the instance - * @method on - * @chainable - * @param {String} gestures multiple gestures by splitting with a space - * @param {Function} handler - * @param {Object} handler.ev event object - */ - on: function onEvent(gestures, handler) { - var self = this; - Event.on(self.element, gestures, handler, function(type) { - self.eventHandlers.push({ gesture: type, handler: handler }); - }); - return self; - }, + Node.prototype._resizeText = function (ctx) { + if (!this.width) { + var margin = 5; + var textSize = this.getTextSize(ctx); + this.width = textSize.width + 2 * margin; + this.height = textSize.height + 2 * margin; - /** - * unbind events to the instance - * @method off - * @chainable - * @param {String} gestures - * @param {Function} handler - */ - off: function offEvent(gestures, handler) { - var self = this; + // scaling used for clustering + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; + this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - (textSize.width + 2 * margin); + } + }; - Event.off(self.element, gestures, handler, function(type) { - var index = Utils.inArray({ gesture: type, handler: handler }); - if(index !== false) { - self.eventHandlers.splice(index, 1); - } - }); - return self; - }, + Node.prototype._drawText = function (ctx) { + this._resizeText(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - /** - * trigger gesture event - * @method trigger - * @chainable - * @param {String} gesture - * @param {Object} [eventData] - */ - trigger: function triggerEvent(gesture, eventData) { - // optional - if(!eventData) { - eventData = {}; - } + this._label(ctx, this.label, this.x, this.y); - // create DOM event - var event = Hammer.DOCUMENT.createEvent('Event'); - event.initEvent(gesture, true, true); - event.gesture = eventData; + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; + }; - // trigger on the target if it is in the instance element, - // this is for event delegation tricks - var element = this.element; - if(Utils.hasParent(eventData.target, element)) { - element = eventData.target; - } - element.dispatchEvent(event); - return this; - }, + Node.prototype._label = function (ctx, text, x, y, align, baseline, labelUnderNode) { + if (text && Number(this.options.fontSize) * this.networkScale > this.fontDrawThreshold) { + ctx.font = (this.selected ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; - /** - * enable of disable hammer.js detection - * @method enable - * @chainable - * @param {Boolean} state - */ - enable: function enable(state) { - this.enabled = state; - return this; - }, + var lines = text.split('\n'); + var lineCount = lines.length; + var fontSize = Number(this.options.fontSize); + var yLine = y + (1 - lineCount) / 2 * fontSize; + if (labelUnderNode == true) { + yLine = y + (1 - lineCount) / (2 * fontSize); + } - /** - * dispose this hammer instance - * @method dispose - * @return {Null} - */ - dispose: function dispose() { - var i, eh; + // font fill from edges now for nodes! + var width = ctx.measureText(lines[0]).width; + for (var i = 1; i < lineCount; i++) { + var lineWidth = ctx.measureText(lines[i]).width; + width = lineWidth > width ? lineWidth : width; + } + var height = this.options.fontSize * lineCount; + var left = x - width / 2; + var top = y - height / 2; + if (baseline == "hanging") { + top += 0.5 * fontSize; + top += 4; // distance from node, required because we use hanging. Hanging has less difference between browsers + yLine += 4; // distance from node + } + this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; - // undo all changes made by stop_browser_behavior - Utils.toggleBehavior(this.element, this.options.behavior, false); + // create the fontfill background + if (this.options.fontFill !== undefined && this.options.fontFill !== null && this.options.fontFill !== "none") { + ctx.fillStyle = this.options.fontFill; + ctx.fillRect(left, top, width, height); + } - // unbind all custom event handlers - for(i = -1; (eh = this.eventHandlers[++i]);) { - Utils.off(this.element, eh.gesture, eh.handler); - } + // draw text + ctx.fillStyle = this.options.fontColor || "black"; + ctx.textAlign = align || "center"; + ctx.textBaseline = baseline || "middle"; + if (this.options.fontStrokeWidth > 0){ + ctx.lineWidth = this.options.fontStrokeWidth; + ctx.strokeStyle = this.options.fontStrokeColor; + ctx.lineJoin = 'round'; + } + for (var i = 0; i < lineCount; i++) { + if(this.options.fontStrokeWidth){ + ctx.strokeText(lines[i], x, yLine); + } + ctx.fillText(lines[i], x, yLine); + yLine += fontSize; + } + } + }; - this.eventHandlers = []; - // unbind the start event listener - Event.off(this.element, EVENT_TYPES[EVENT_START], this.eventStartHandler); + Node.prototype.getTextSize = function(ctx) { + if (this.label !== undefined) { + ctx.font = (this.selected ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; - return null; + var lines = this.label.split('\n'), + height = (Number(this.options.fontSize) + 4) * lines.length, + width = 0; + + for (var i = 0, iMax = lines.length; i < iMax; i++) { + width = Math.max(width, ctx.measureText(lines[i]).width); } - }; + return {"width": width, "height": height}; + } + else { + return {"width": 0, "height": 0}; + } + }; /** - * @module gestures - */ - /** - * Move with x fingers (default 1) around on the page. - * Preventing the default browser behavior is a good way to improve feel and working. - * ```` - * hammertime.on("drag", function(ev) { - * console.log(ev); - * ev.gesture.preventDefault(); - * }); - * ```` + * this is used to determine if a node is visible at all. this is used to determine when it needs to be drawn. + * there is a safety margin of 0.3 * width; * - * @class Drag - * @static - */ - /** - * @event drag - * @param {Object} ev - */ - /** - * @event dragstart - * @param {Object} ev - */ - /** - * @event dragend - * @param {Object} ev - */ - /** - * @event drapleft - * @param {Object} ev - */ - /** - * @event dragright - * @param {Object} ev - */ - /** - * @event dragup - * @param {Object} ev + * @returns {boolean} */ + Node.prototype.inArea = function() { + if (this.width !== undefined) { + return (this.x + this.width *this.networkScaleInv >= this.canvasTopLeft.x && + this.x - this.width *this.networkScaleInv < this.canvasBottomRight.x && + this.y + this.height*this.networkScaleInv >= this.canvasTopLeft.y && + this.y - this.height*this.networkScaleInv < this.canvasBottomRight.y); + } + else { + return true; + } + }; + /** - * @event dragdown - * @param {Object} ev + * checks if the core of the node is in the display area, this is used for opening clusters around zoom + * @returns {boolean} */ + Node.prototype.inView = function() { + return (this.x >= this.canvasTopLeft.x && + this.x < this.canvasBottomRight.x && + this.y >= this.canvasTopLeft.y && + this.y < this.canvasBottomRight.y); + }; /** - * @param {String} name + * This allows the zoom level of the network to influence the rendering + * We store the inverted scale and the coordinates of the top left, and bottom right points of the canvas + * + * @param scale + * @param canvasTopLeft + * @param canvasBottomRight */ - (function(name) { - var triggered = false; - - function dragGesture(ev, inst) { - var cur = Detection.current; - - // max touches - if(inst.options.dragMaxTouches > 0 && - ev.touches.length > inst.options.dragMaxTouches) { - return; - } + Node.prototype.setScaleAndPos = function(scale,canvasTopLeft,canvasBottomRight) { + this.networkScaleInv = 1.0/scale; + this.networkScale = scale; + this.canvasTopLeft = canvasTopLeft; + this.canvasBottomRight = canvasBottomRight; + }; - switch(ev.eventType) { - case EVENT_START: - triggered = false; - break; - case EVENT_MOVE: - // when the distance we moved is too small we skip this gesture - // or we can be already in dragging - if(ev.distance < inst.options.dragMinDistance && - cur.name != name) { - return; - } + /** + * This allows the zoom level of the network to influence the rendering + * + * @param scale + */ + Node.prototype.setScale = function(scale) { + this.networkScaleInv = 1.0/scale; + this.networkScale = scale; + }; - var startCenter = cur.startEvent.center; - // we are dragging! - if(cur.name != name) { - cur.name = name; - if(inst.options.dragDistanceCorrection && ev.distance > 0) { - // When a drag is triggered, set the event center to dragMinDistance pixels from the original event center. - // Without this correction, the dragged distance would jumpstart at dragMinDistance pixels instead of at 0. - // It might be useful to save the original start point somewhere - var factor = Math.abs(inst.options.dragMinDistance / ev.distance); - startCenter.pageX += ev.deltaX * factor; - startCenter.pageY += ev.deltaY * factor; - startCenter.clientX += ev.deltaX * factor; - startCenter.clientY += ev.deltaY * factor; - // recalculate event data using new start point - ev = Detection.extendEventData(ev); - } - } + /** + * set the velocity at 0. Is called when this node is contained in another during clustering + */ + Node.prototype.clearVelocity = function() { + this.vx = 0; + this.vy = 0; + }; - // lock drag to axis? - if(cur.lastEvent.dragLockToAxis || - ( inst.options.dragLockToAxis && - inst.options.dragLockMinDistance <= ev.distance - )) { - ev.dragLockToAxis = true; - } - // keep direction on the axis that the drag gesture started on - var lastDirection = cur.lastEvent.direction; - if(ev.dragLockToAxis && lastDirection !== ev.direction) { - if(Utils.isVertical(lastDirection)) { - ev.direction = (ev.deltaY < 0) ? DIRECTION_UP : DIRECTION_DOWN; - } else { - ev.direction = (ev.deltaX < 0) ? DIRECTION_LEFT : DIRECTION_RIGHT; - } - } + /** + * Basic preservation of (kinectic) energy + * + * @param massBeforeClustering + */ + Node.prototype.updateVelocity = function(massBeforeClustering) { + var energyBefore = this.vx * this.vx * massBeforeClustering; + //this.vx = (this.vx < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); + this.vx = Math.sqrt(energyBefore/this.options.mass); + energyBefore = this.vy * this.vy * massBeforeClustering; + //this.vy = (this.vy < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); + this.vy = Math.sqrt(energyBefore/this.options.mass); + }; - // first time, trigger dragstart event - if(!triggered) { - inst.trigger(name + 'start', ev); - triggered = true; - } + module.exports = Node; - // trigger events - inst.trigger(name, ev); - inst.trigger(name + ev.direction, ev); - var isVertical = Utils.isVertical(ev.direction); +/***/ }, +/* 57 */ +/***/ function(module, exports, __webpack_require__) { - // block the browser events - if((inst.options.dragBlockVertical && isVertical) || - (inst.options.dragBlockHorizontal && !isVertical)) { - ev.preventDefault(); - } - break; + var util = __webpack_require__(1); + var Node = __webpack_require__(56); - case EVENT_RELEASE: - if(triggered && ev.changedLength <= inst.options.dragMaxTouches) { - inst.trigger(name + 'end', ev); - triggered = false; - } - break; + /** + * @class Edge + * + * A edge connects two nodes + * @param {Object} properties Object with properties. Must contain + * At least properties from and to. + * Available properties: from (number), + * to (number), label (string, color (string), + * width (number), style (string), + * length (number), title (string) + * @param {Network} network A Network object, used to find and edge to + * nodes. + * @param {Object} constants An object with default values for + * example for the color + */ + function Edge (properties, network, networkConstants) { + if (!network) { + throw "No network provided"; + } + var fields = ['edges','physics']; + var constants = util.selectiveBridgeObject(fields,networkConstants); + this.options = constants.edges; + this.physics = constants.physics; + this.options['smoothCurves'] = networkConstants['smoothCurves']; - case EVENT_END: - triggered = false; - break; - } - } - Hammer.gestures.Drag = { - name: name, - index: 50, - handler: dragGesture, - defaults: { - /** - * minimal movement that have to be made before the drag event gets triggered - * @property dragMinDistance - * @type {Number} - * @default 10 - */ - dragMinDistance: 10, + this.network = network; - /** - * Set dragDistanceCorrection to true to make the starting point of the drag - * be calculated from where the drag was triggered, not from where the touch started. - * Useful to avoid a jerk-starting drag, which can make fine-adjustments - * through dragging difficult, and be visually unappealing. - * @property dragDistanceCorrection - * @type {Boolean} - * @default true - */ - dragDistanceCorrection: true, + // initialize variables + this.id = undefined; + this.fromId = undefined; + this.toId = undefined; + this.title = undefined; + this.widthSelected = this.options.width * this.options.widthSelectionMultiplier; + this.value = undefined; + this.selected = false; + this.hover = false; + this.labelDimensions = {top:0,left:0,width:0,height:0,yLine:0}; // could be cached + this.dirtyLabel = true; - /** - * set 0 for unlimited, but this can conflict with transform - * @property dragMaxTouches - * @type {Number} - * @default 1 - */ - dragMaxTouches: 1, + this.from = null; // a node + this.to = null; // a node + this.via = null; // a temp node - /** - * prevent default browser behavior when dragging occurs - * be careful with it, it makes the element a blocking element - * when you are using the drag gesture, it is a good practice to set this true - * @property dragBlockHorizontal - * @type {Boolean} - * @default false - */ - dragBlockHorizontal: false, + this.fromBackup = null; // used to clean up after reconnect + this.toBackup = null;; // used to clean up after reconnect - /** - * same as `dragBlockHorizontal`, but for vertical movement - * @property dragBlockVertical - * @type {Boolean} - * @default false - */ - dragBlockVertical: false, + // we use this to be able to reconnect the edge to a cluster if its node is put into a cluster + // by storing the original information we can revert to the original connection when the cluser is opened. + this.originalFromId = []; + this.originalToId = []; - /** - * dragLockToAxis keeps the drag gesture on the axis that it started on, - * It disallows vertical directions if the initial direction was horizontal, and vice versa. - * @property dragLockToAxis - * @type {Boolean} - * @default false - */ - dragLockToAxis: false, + this.connected = false; - /** - * drag lock only kicks in when distance > dragLockMinDistance - * This way, locking occurs only when the distance has become large enough to reliably determine the direction - * @property dragLockMinDistance - * @type {Number} - * @default 25 - */ - dragLockMinDistance: 25 - } - }; - })('drag'); + this.widthFixed = false; + this.lengthFixed = false; - /** - * @module gestures - */ - /** - * trigger a simple gesture event, so you can do anything in your handler. - * only usable if you know what your doing... - * - * @class Gesture - * @static - */ - /** - * @event gesture - * @param {Object} ev - */ - Hammer.gestures.Gesture = { - name: 'gesture', - index: 1337, - handler: function releaseGesture(ev, inst) { - inst.trigger(this.name, ev); - } - }; + this.setProperties(properties); - /** - * @module gestures - */ - /** - * Touch stays at the same place for x time - * - * @class Hold - * @static - */ - /** - * @event hold - * @param {Object} ev - */ + this.controlNodesEnabled = false; + this.controlNodes = {from:null, to:null, positions:{}}; + this.connectedNode = null; + } /** - * @param {String} name + * Set or overwrite properties for the edge + * @param {Object} properties an object with properties + * @param {Object} constants and object with default, global properties */ - (function(name) { - var timer; - - function holdGesture(ev, inst) { - var options = inst.options, - current = Detection.current; + Edge.prototype.setProperties = function(properties) { + if (!properties) { + return; + } - switch(ev.eventType) { - case EVENT_START: - clearTimeout(timer); + var fields = ['style','fontSize','fontFace','fontColor','fontFill','fontStrokeWidth','fontStrokeColor','width', + 'widthSelectionMultiplier','hoverWidth','arrowScaleFactor','dash','inheritColor','labelAlignment' + ]; + util.selectiveDeepExtend(fields, this.options, properties); - // set the gesture so we can check in the timeout if it still is - current.name = name; + if (properties.from !== undefined) {this.fromId = properties.from;} + if (properties.to !== undefined) {this.toId = properties.to;} - // set timer and if after the timeout it still is hold, - // we trigger the hold event - timer = setTimeout(function() { - if(current && current.name == name) { - inst.trigger(name, ev); - } - }, options.holdTimeout); - break; + if (properties.id !== undefined) {this.id = properties.id;} + if (properties.label !== undefined) {this.label = properties.label; this.dirtyLabel = true;} - case EVENT_MOVE: - if(ev.distance > options.holdThreshold) { - clearTimeout(timer); - } - break; + if (properties.title !== undefined) {this.title = properties.title;} + if (properties.value !== undefined) {this.value = properties.value;} + if (properties.length !== undefined) {this.physics.springLength = properties.length;} - case EVENT_RELEASE: - clearTimeout(timer); - break; - } + if (properties.color !== undefined) { + this.options.inheritColor = false; + if (util.isString(properties.color)) { + this.options.color.color = properties.color; + this.options.color.highlight = properties.color; + } + else { + if (properties.color.color !== undefined) {this.options.color.color = properties.color.color;} + if (properties.color.highlight !== undefined) {this.options.color.highlight = properties.color.highlight;} + if (properties.color.hover !== undefined) {this.options.color.hover = properties.color.hover;} } + } - Hammer.gestures.Hold = { - name: name, - index: 10, - defaults: { - /** - * @property holdTimeout - * @type {Number} - * @default 500 - */ - holdTimeout: 500, + // A node is connected when it has a from and to node. + this.connect(); - /** - * movement allowed while holding - * @property holdThreshold - * @type {Number} - * @default 2 - */ - holdThreshold: 2 - }, - handler: holdGesture - }; - })('hold'); + this.widthFixed = this.widthFixed || (properties.width !== undefined); + this.lengthFixed = this.lengthFixed || (properties.length !== undefined); + + this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; + + // set draw method based on style + switch (this.options.style) { + case 'line': this.draw = this._drawLine; break; + case 'arrow': this.draw = this._drawArrow; break; + case 'arrow-center': this.draw = this._drawArrowCenter; break; + case 'dash-line': this.draw = this._drawDashLine; break; + default: this.draw = this._drawLine; break; + } + + }; /** - * @module gestures - */ - /** - * when a touch is being released from the page - * - * @class Release - * @static - */ - /** - * @event release - * @param {Object} ev + * Connect an edge to its nodes */ - Hammer.gestures.Release = { - name: 'release', - index: Infinity, - handler: function releaseGesture(ev, inst) { - if(ev.eventType == EVENT_RELEASE) { - inst.trigger(this.name, ev); - } + Edge.prototype.connect = function () { + this.disconnect(); + + this.from = this.network.nodes[this.fromId] || null; + this.to = this.network.nodes[this.toId] || null; + this.connected = (this.from && this.to); + + if (this.connected) { + this.from.attachEdge(this); + this.to.attachEdge(this); + } + else { + if (this.from) { + this.from.detachEdge(this); + } + if (this.to) { + this.to.detachEdge(this); } + } }; /** - * @module gestures + * Disconnect an edge from its nodes */ + Edge.prototype.disconnect = function () { + if (this.from) { + this.from.detachEdge(this); + this.from = null; + } + if (this.to) { + this.to.detachEdge(this); + this.to = null; + } + + this.connected = false; + }; + /** - * triggers swipe events when the end velocity is above the threshold - * for best usage, set `preventDefault` (on the drag gesture) to `true` - * ```` - * hammertime.on("dragleft swipeleft", function(ev) { - * console.log(ev); - * ev.gesture.preventDefault(); - * }); - * ```` - * - * @class Swipe - * @static + * get the title of this edge. + * @return {string} title The title of the edge, or undefined when no title + * has been set. */ + Edge.prototype.getTitle = function() { + return typeof this.title === "function" ? this.title() : this.title; + }; + + /** - * @event swipe - * @param {Object} ev + * Retrieve the value of the edge. Can be undefined + * @return {Number} value */ + Edge.prototype.getValue = function() { + return this.value; + }; + /** - * @event swipeleft - * @param {Object} ev + * Adjust the value range of the edge. The edge will adjust it's width + * based on its value. + * @param {Number} min + * @param {Number} max */ + Edge.prototype.setValueRange = function(min, max) { + if (!this.widthFixed && this.value !== undefined) { + var scale = (this.options.widthMax - this.options.widthMin) / (max - min); + this.options.width= (this.value - min) * scale + this.options.widthMin; + this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; + } + }; + /** - * @event swiperight - * @param {Object} ev + * Redraw a edge + * Draw this edge in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx */ + Edge.prototype.draw = function(ctx) { + throw "Method draw not initialized in edge"; + }; + /** - * @event swipeup - * @param {Object} ev + * Check if this object is overlapping with the provided object + * @param {Object} obj an object with parameters left, top + * @return {boolean} True if location is located on the edge */ + Edge.prototype.isOverlappingWith = function(obj) { + if (this.connected) { + var distMax = 10; + var xFrom = this.from.x; + var yFrom = this.from.y; + var xTo = this.to.x; + var yTo = this.to.y; + var xObj = obj.left; + var yObj = obj.top; + + var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj); + + return (dist < distMax); + } + else { + return false + } + }; + + Edge.prototype._getColor = function() { + var colorObj = this.options.color; + if (this.options.inheritColor == "to") { + colorObj = { + highlight: this.to.options.color.highlight.border, + hover: this.to.options.color.hover.border, + color: this.to.options.color.border + }; + } + else if (this.options.inheritColor == "from" || this.options.inheritColor == true) { + colorObj = { + highlight: this.from.options.color.highlight.border, + hover: this.from.options.color.hover.border, + color: this.from.options.color.border + }; + } + + if (this.selected == true) {return colorObj.highlight;} + else if (this.hover == true) {return colorObj.hover;} + else {return colorObj.color;} + }; + + /** - * @event swipedown - * @param {Object} ev + * Redraw a edge as a line + * Draw this edge in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + * @private */ - Hammer.gestures.Swipe = { - name: 'swipe', - index: 40, - defaults: { - /** - * @property swipeMinTouches - * @type {Number} - * @default 1 - */ - swipeMinTouches: 1, - - /** - * @property swipeMaxTouches - * @type {Number} - * @default 1 - */ - swipeMaxTouches: 1, + Edge.prototype._drawLine = function(ctx) { + // set style + ctx.strokeStyle = this._getColor(); + ctx.lineWidth = this._getLineWidth(); - /** - * horizontal swipe velocity - * @property swipeVelocityX - * @type {Number} - * @default 0.6 - */ - swipeVelocityX: 0.6, + if (this.from != this.to) { + // draw line + var via = this._line(ctx); - /** - * vertical swipe velocity - * @property swipeVelocityY - * @type {Number} - * @default 0.6 - */ - swipeVelocityY: 0.6 - }, + // draw label + var point; + if (this.label) { + if (this.options.smoothCurves.enabled == true && via != null) { + var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); + var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); + point = {x:midpointX, y:midpointY}; + } + else { + point = this._pointOnLine(0.5); + } + this._label(ctx, this.label, point.x, point.y); + } + } + else { + var x, y; + var radius = this.physics.springLength / 4; + var node = this.from; + if (!node.width) { + node.resize(ctx); + } + if (node.width > node.height) { + x = node.x + node.width / 2; + y = node.y - radius; + } + else { + x = node.x + radius; + y = node.y - node.height / 2; + } + this._circle(ctx, x, y, radius); + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + }; - handler: function swipeGesture(ev, inst) { - if(ev.eventType == EVENT_RELEASE) { - var touches = ev.touches.length, - options = inst.options; + /** + * Get the line width of the edge. Depends on width and whether one of the + * connected nodes is selected. + * @return {Number} width + * @private + */ + Edge.prototype._getLineWidth = function() { + if (this.selected == true) { + return Math.max(Math.min(this.widthSelected, this.options.widthMax), 0.3*this.networkScaleInv); + } + else { + if (this.hover == true) { + return Math.max(Math.min(this.options.hoverWidth, this.options.widthMax), 0.3*this.networkScaleInv); + } + else { + return Math.max(this.options.width, 0.3*this.networkScaleInv); + } + } + }; - // max touches - if(touches < options.swipeMinTouches || - touches > options.swipeMaxTouches) { - return; - } + Edge.prototype._getViaCoordinates = function () { + if (this.options.smoothCurves.dynamic == true && this.options.smoothCurves.enabled == true ) { + return this.via; + } + else if (this.options.smoothCurves.enabled == false) { + return {x:0,y:0}; + } + else { + var xVia = null; + var yVia = null; + var factor = this.options.smoothCurves.roundness; + var type = this.options.smoothCurves.type; - // when the distance we moved is too small we skip this gesture - // or we can be already in dragging - if(ev.velocityX > options.swipeVelocityX || - ev.velocityY > options.swipeVelocityY) { - // trigger swipe events - inst.trigger(this.name, ev); - inst.trigger(this.name + ev.direction, ev); - } + var dx = Math.abs(this.from.x - this.to.x); + var dy = Math.abs(this.from.y - this.to.y); + if (type == 'discrete' || type == 'diagonalCross') { + if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + xVia = this.from.x + factor * dy; + yVia = this.from.y - factor * dy; + } + else if (this.from.x > this.to.x) { + xVia = this.from.x - factor * dy; + yVia = this.from.y - factor * dy; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + xVia = this.from.x + factor * dy; + yVia = this.from.y + factor * dy; + } + else if (this.from.x > this.to.x) { + xVia = this.from.x - factor * dy; + yVia = this.from.y + factor * dy; + } + } + if (type == "discrete") { + xVia = dx < factor * dy ? this.from.x : xVia; + } + } + else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + xVia = this.from.x + factor * dx; + yVia = this.from.y - factor * dx; + } + else if (this.from.x > this.to.x) { + xVia = this.from.x - factor * dx; + yVia = this.from.y - factor * dx; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + xVia = this.from.x + factor * dx; + yVia = this.from.y + factor * dx; + } + else if (this.from.x > this.to.x) { + xVia = this.from.x - factor * dx; + yVia = this.from.y + factor * dx; + } + } + if (type == "discrete") { + yVia = dy < factor * dx ? this.from.y : yVia; + } + } + } + else if (type == "straightCross") { + if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { // up - down + xVia = this.from.x; + if (this.from.y < this.to.y) { + yVia = this.to.y - (1 - factor) * dy; + } + else { + yVia = this.to.y + (1 - factor) * dy; + } + } + else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { // left - right + if (this.from.x < this.to.x) { + xVia = this.to.x - (1 - factor) * dx; + } + else { + xVia = this.to.x + (1 - factor) * dx; + } + yVia = this.from.y; + } + } + else if (type == 'horizontal') { + if (this.from.x < this.to.x) { + xVia = this.to.x - (1 - factor) * dx; + } + else { + xVia = this.to.x + (1 - factor) * dx; + } + yVia = this.from.y; + } + else if (type == 'vertical') { + xVia = this.from.x; + if (this.from.y < this.to.y) { + yVia = this.to.y - (1 - factor) * dy; + } + else { + yVia = this.to.y + (1 - factor) * dy; + } + } + else { // continuous + if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + // console.log(1) + xVia = this.from.x + factor * dy; + yVia = this.from.y - factor * dy; + xVia = this.to.x < xVia ? this.to.x : xVia; + } + else if (this.from.x > this.to.x) { + // console.log(2) + xVia = this.from.x - factor * dy; + yVia = this.from.y - factor * dy; + xVia = this.to.x > xVia ? this.to.x : xVia; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + // console.log(3) + xVia = this.from.x + factor * dy; + yVia = this.from.y + factor * dy; + xVia = this.to.x < xVia ? this.to.x : xVia; + } + else if (this.from.x > this.to.x) { + // console.log(4, this.from.x, this.to.x) + xVia = this.from.x - factor * dy; + yVia = this.from.y + factor * dy; + xVia = this.to.x > xVia ? this.to.x : xVia; + } + } + } + else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + // console.log(5) + xVia = this.from.x + factor * dx; + yVia = this.from.y - factor * dx; + yVia = this.to.y > yVia ? this.to.y : yVia; + } + else if (this.from.x > this.to.x) { + // console.log(6) + xVia = this.from.x - factor * dx; + yVia = this.from.y - factor * dx; + yVia = this.to.y > yVia ? this.to.y : yVia; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + // console.log(7) + xVia = this.from.x + factor * dx; + yVia = this.from.y + factor * dx; + yVia = this.to.y < yVia ? this.to.y : yVia; + } + else if (this.from.x > this.to.x) { + // console.log(8) + xVia = this.from.x - factor * dx; + yVia = this.from.y + factor * dx; + yVia = this.to.y < yVia ? this.to.y : yVia; + } } + } } + + + return {x: xVia, y: yVia}; + } }; /** - * @module gestures - */ - /** - * Single tap and a double tap on a place - * - * @class Tap - * @static - */ - /** - * @event tap - * @param {Object} ev + * Draw a line between two nodes + * @param {CanvasRenderingContext2D} ctx + * @private */ + Edge.prototype._line = function (ctx) { + // draw a straight line + ctx.beginPath(); + ctx.moveTo(this.from.x, this.from.y); + if (this.options.smoothCurves.enabled == true) { + if (this.options.smoothCurves.dynamic == false) { + var via = this._getViaCoordinates(); + if (via.x == null) { + ctx.lineTo(this.to.x, this.to.y); + ctx.stroke(); + return null; + } + else { + // this.via.x = via.x; + // this.via.y = via.y; + ctx.quadraticCurveTo(via.x,via.y,this.to.x, this.to.y); + ctx.stroke(); + return via; + } + } + else { + ctx.quadraticCurveTo(this.via.x,this.via.y,this.to.x, this.to.y); + ctx.stroke(); + return this.via; + } + } + else { + ctx.lineTo(this.to.x, this.to.y); + ctx.stroke(); + return null; + } + }; + /** - * @event doubletap - * @param {Object} ev + * Draw a line from a node to itself, a circle + * @param {CanvasRenderingContext2D} ctx + * @param {Number} x + * @param {Number} y + * @param {Number} radius + * @private */ + Edge.prototype._circle = function (ctx, x, y, radius) { + // draw a circle + ctx.beginPath(); + ctx.arc(x, y, radius, 0, 2 * Math.PI, false); + ctx.stroke(); + }; /** - * @param {String} name + * Draw label with white background and with the middle at (x, y) + * @param {CanvasRenderingContext2D} ctx + * @param {String} text + * @param {Number} x + * @param {Number} y + * @private */ - (function(name) { - var hasMoved = false; - - function tapGesture(ev, inst) { - var options = inst.options, - current = Detection.current, - prev = Detection.previous, - sincePrev, - didDoubleTap; - - switch(ev.eventType) { - case EVENT_START: - hasMoved = false; - break; - - case EVENT_MOVE: - hasMoved = hasMoved || (ev.distance > options.tapMaxDistance); - break; + Edge.prototype._label = function (ctx, text, x, y) { + if (text) { + ctx.font = ((this.from.selected || this.to.selected) ? "bold " : "") + + this.options.fontSize + "px " + this.options.fontFace; + var yLine; - case EVENT_END: - if(!Utils.inStr(ev.srcEvent.type, 'cancel') && ev.deltaTime < options.tapMaxTime && !hasMoved) { - // previous gesture, for the double tap since these are two different gesture detections - sincePrev = prev && prev.lastEvent && ev.timeStamp - prev.lastEvent.timeStamp; - didDoubleTap = false; + if (this.dirtyLabel == true) { + var lines = String(text).split('\n'); + var lineCount = lines.length; + var fontSize = Number(this.options.fontSize); + yLine = y + (1 - lineCount) / 2 * fontSize; - // check if double tap - if(prev && prev.name == name && - (sincePrev && sincePrev < options.doubleTapInterval) && - ev.distance < options.doubleTapDistance) { - inst.trigger('doubletap', ev); - didDoubleTap = true; - } + var width = ctx.measureText(lines[0]).width; + for (var i = 1; i < lineCount; i++) { + var lineWidth = ctx.measureText(lines[i]).width; + width = lineWidth > width ? lineWidth : width; + } + var height = this.options.fontSize * lineCount; + var left = x - width / 2; + var top = y - height / 2; - // do a single tap - if(!didDoubleTap || options.tapAlways) { - current.name = name; - inst.trigger(current.name, ev); - } - } - break; - } + // cache + this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; } - Hammer.gestures.Tap = { - name: name, - index: 100, - handler: tapGesture, - defaults: { - /** - * max time of a tap, this is for the slow tappers - * @property tapMaxTime - * @type {Number} - * @default 250 - */ - tapMaxTime: 250, - - /** - * max distance of movement of a tap, this is for the slow tappers - * @property tapMaxDistance - * @type {Number} - * @default 10 - */ - tapMaxDistance: 10, - - /** - * always trigger the `tap` event, even while double-tapping - * @property tapAlways - * @type {Boolean} - * @default true - */ - tapAlways: true, - - /** - * max distance between two taps - * @property doubleTapDistance - * @type {Number} - * @default 20 - */ - doubleTapDistance: 20, - - /** - * max time between two taps - * @property doubleTapInterval - * @type {Number} - * @default 300 - */ - doubleTapInterval: 300 - } - }; - })('tap'); + var yLine = this.labelDimensions.yLine; + + ctx.save(); + + if (this.options.labelAlignment != "horizontal"){ + ctx.translate(x, yLine); + this._rotateForLabelAlignment(ctx); + x = 0; + yLine = 0; + } + + this._drawLabelRect(ctx); + this._drawLabelText(ctx,x,yLine, lines, lineCount, fontSize); + + ctx.restore(); + } + }; /** - * @module gestures + * Rotates the canvas so the text is most readable + * @param {CanvasRenderingContext2D} ctx + * @private */ + Edge.prototype._rotateForLabelAlignment = function(ctx) { + var dy = this.from.y - this.to.y; + var dx = this.from.x - this.to.x; + var angleInDegrees = Math.atan2(dy, dx); + + // rotate so label it is readable + if((angleInDegrees < -1 && dx < 0) || (angleInDegrees > 0 && dx < 0)){ + angleInDegrees = angleInDegrees + Math.PI; + } + + ctx.rotate(angleInDegrees); + }; + /** - * when a touch is being touched at the page - * - * @class Touch - * @static + * Draws the label rectangle + * @param {CanvasRenderingContext2D} ctx + * @param {String} labelAlignment + * @private */ + Edge.prototype._drawLabelRect = function(ctx) { + if (this.options.fontFill !== undefined && this.options.fontFill !== null && this.options.fontFill !== "none") { + ctx.fillStyle = this.options.fontFill; + + var lineMargin = 2; + + if (this.options.labelAlignment == 'line-center') { + ctx.fillRect(-this.labelDimensions.width * 0.5, -this.labelDimensions.height * 0.5, this.labelDimensions.width, this.labelDimensions.height); + } + else if (this.options.labelAlignment == 'line-above') { + ctx.fillRect(-this.labelDimensions.width * 0.5, -(this.labelDimensions.height + lineMargin), this.labelDimensions.width, this.labelDimensions.height); + } + else if (this.options.labelAlignment == 'line-below') { + ctx.fillRect(-this.labelDimensions.width * 0.5, lineMargin, this.labelDimensions.width, this.labelDimensions.height); + } + else { + ctx.fillStyle = this.options.fontFill; + ctx.fillRect(this.labelDimensions.left, this.labelDimensions.top, this.labelDimensions.width, this.labelDimensions.height); + } + } + }; + /** - * @event touch - * @param {Object} ev + * Draws the label text + * @param {CanvasRenderingContext2D} ctx + * @param {Number} x + * @param {Number} yLine + * @param {Array} lines + * @param {Number} lineCount + * @param {Number} fontSize + * @private */ - Hammer.gestures.Touch = { - name: 'touch', - index: -Infinity, - defaults: { - /** - * call preventDefault at touchstart, and makes the element blocking by disabling the scrolling of the page, - * but it improves gestures like transforming and dragging. - * be careful with using this, it can be very annoying for users to be stuck on the page - * @property preventDefault - * @type {Boolean} - * @default false - */ - preventDefault: false, - - /** - * disable mouse events, so only touch (or pen!) input triggers events - * @property preventMouse - * @type {Boolean} - * @default false - */ - preventMouse: false - }, - handler: function touchGesture(ev, inst) { - if(inst.options.preventMouse && ev.pointerType == POINTER_MOUSE) { - ev.stopDetect(); - return; - } + Edge.prototype._drawLabelText = function(ctx, x, yLine, lines, lineCount, fontSize) { + // draw text + ctx.fillStyle = this.options.fontColor || "black"; + ctx.textAlign = "center"; - if(inst.options.preventDefault) { - ev.preventDefault(); - } + // check for label alignment + if (this.options.labelAlignment != 'horizontal') { + var lineMargin = 2; + if (this.options.labelAlignment == 'line-above') { + ctx.textBaseline = "alphabetic"; + yLine -= 2 * lineMargin; // distance from edge, required because we use alphabetic. Alphabetic has less difference between browsers + } + else if (this.options.labelAlignment == 'line-below') { + ctx.textBaseline = "hanging"; + yLine += 2 * lineMargin;// distance from edge, required because we use hanging. Hanging has less difference between browsers + } + else { + ctx.textBaseline = "middle"; + } + } - if(ev.eventType == EVENT_TOUCH) { - inst.trigger('touch', ev); - } + // check for strokeWidth + if (this.options.fontStrokeWidth > 0){ + ctx.lineWidth = this.options.fontStrokeWidth; + ctx.strokeStyle = this.options.fontStrokeColor; + ctx.lineJoin = 'round'; + } + for (var i = 0; i < lineCount; i++) { + if(this.options.fontStrokeWidth > 0){ + ctx.strokeText(lines[i], x, yLine); } + ctx.fillText(lines[i], x, yLine); + yLine += fontSize; + } }; /** - * @module gestures - */ - /** - * User want to scale or rotate with 2 fingers - * Preventing the default browser behavior is a good way to improve feel and working. This can be done with the - * `preventDefault` option. - * - * @class Transform - * @static - */ - /** - * @event transform - * @param {Object} ev - */ - /** - * @event transformstart - * @param {Object} ev - */ - /** - * @event transformend - * @param {Object} ev - */ - /** - * @event pinchin - * @param {Object} ev - */ - /** - * @event pinchout - * @param {Object} ev - */ - /** - * @event rotate - * @param {Object} ev + * Redraw a edge as a dashed line + * Draw this edge in the given canvas + * @author David Jordan + * @date 2012-08-08 + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + * @private */ + Edge.prototype._drawDashLine = function(ctx) { + // set style + ctx.strokeStyle = this._getColor(); + ctx.lineWidth = this._getLineWidth(); - /** - * @param {String} name - */ - (function(name) { - var triggered = false; + var via = null; + // only firefox and chrome support this method, else we use the legacy one. + if (ctx.setLineDash !== undefined) { + ctx.save(); + // configure the dash pattern + var pattern = [0]; + if (this.options.dash.length !== undefined && this.options.dash.gap !== undefined) { + pattern = [this.options.dash.length,this.options.dash.gap]; + } + else { + pattern = [5,5]; + } - function transformGesture(ev, inst) { - switch(ev.eventType) { - case EVENT_START: - triggered = false; - break; + // set dash settings for chrome or firefox + ctx.setLineDash(pattern); + ctx.lineDashOffset = 0; - case EVENT_MOVE: - // at least multitouch - if(ev.touches.length < 2) { - return; - } + // draw the line + via = this._line(ctx); - var scaleThreshold = Math.abs(1 - ev.scale); - var rotationThreshold = Math.abs(ev.rotation); + // restore the dash settings. + ctx.setLineDash([0]); + ctx.lineDashOffset = 0; + ctx.restore(); + } + else { // unsupporting smooth lines + // draw dashed line + ctx.beginPath(); + ctx.lineCap = 'round'; + if (this.options.dash.altLength !== undefined) //If an alt dash value has been set add to the array this value + { + ctx.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y, + [this.options.dash.length,this.options.dash.gap,this.options.dash.altLength,this.options.dash.gap]); + } + else if (this.options.dash.length !== undefined && this.options.dash.gap !== undefined) //If a dash and gap value has been set add to the array this value + { + ctx.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y, + [this.options.dash.length,this.options.dash.gap]); + } + else //If all else fails draw a line + { + ctx.moveTo(this.from.x, this.from.y); + ctx.lineTo(this.to.x, this.to.y); + } + ctx.stroke(); + } - // when the distance we moved is too small we skip this gesture - // or we can be already in dragging - if(scaleThreshold < inst.options.transformMinScale && - rotationThreshold < inst.options.transformMinRotation) { - return; - } + // draw label + if (this.label) { + var point; + if (this.options.smoothCurves.enabled == true && via != null) { + var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); + var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); + point = {x:midpointX, y:midpointY}; + } + else { + point = this._pointOnLine(0.5); + } + this._label(ctx, this.label, point.x, point.y); + } + }; + + /** + * Get a point on a line + * @param {Number} percentage. Value between 0 (line start) and 1 (line end) + * @return {Object} point + * @private + */ + Edge.prototype._pointOnLine = function (percentage) { + return { + x: (1 - percentage) * this.from.x + percentage * this.to.x, + y: (1 - percentage) * this.from.y + percentage * this.to.y + } + }; - // we are transforming! - Detection.current.name = name; + /** + * Get a point on a circle + * @param {Number} x + * @param {Number} y + * @param {Number} radius + * @param {Number} percentage. Value between 0 (line start) and 1 (line end) + * @return {Object} point + * @private + */ + Edge.prototype._pointOnCircle = function (x, y, radius, percentage) { + var angle = (percentage - 3/8) * 2 * Math.PI; + return { + x: x + radius * Math.cos(angle), + y: y - radius * Math.sin(angle) + } + }; - // first time, trigger dragstart event - if(!triggered) { - inst.trigger(name + 'start', ev); - triggered = true; - } + /** + * Redraw a edge as a line with an arrow halfway the line + * Draw this edge in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + * @private + */ + Edge.prototype._drawArrowCenter = function(ctx) { + var point; + // set style + ctx.strokeStyle = this._getColor(); + ctx.fillStyle = ctx.strokeStyle; + ctx.lineWidth = this._getLineWidth(); - inst.trigger(name, ev); // basic transform event + if (this.from != this.to) { + // draw line + var via = this._line(ctx); - // trigger rotate event - if(rotationThreshold > inst.options.transformMinRotation) { - inst.trigger('rotate', ev); - } + var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); + var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; + // draw an arrow halfway the line + if (this.options.smoothCurves.enabled == true && via != null) { + var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); + var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); + point = {x:midpointX, y:midpointY}; + } + else { + point = this._pointOnLine(0.5); + } - // trigger pinch event - if(scaleThreshold > inst.options.transformMinScale) { - inst.trigger('pinch', ev); - inst.trigger('pinch' + (ev.scale < 1 ? 'in' : 'out'), ev); - } - break; + ctx.arrow(point.x, point.y, angle, length); + ctx.fill(); + ctx.stroke(); - case EVENT_RELEASE: - if(triggered && ev.changedLength < 2) { - inst.trigger(name + 'end', ev); - triggered = false; - } - break; - } + // draw label + if (this.label) { + this._label(ctx, this.label, point.x, point.y); + } + } + else { + // draw circle + var x, y; + var radius = 0.25 * Math.max(100,this.physics.springLength); + var node = this.from; + if (!node.width) { + node.resize(ctx); + } + if (node.width > node.height) { + x = node.x + node.width * 0.5; + y = node.y - radius; + } + else { + x = node.x + radius; + y = node.y - node.height * 0.5; } + this._circle(ctx, x, y, radius); - Hammer.gestures.Transform = { - name: name, - index: 45, - defaults: { - /** - * minimal scale factor, no scale is 1, zoomin is to 0 and zoomout until higher then 1 - * @property transformMinScale - * @type {Number} - * @default 0.01 - */ - transformMinScale: 0.01, + // draw all arrows + var angle = 0.2 * Math.PI; + var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; + point = this._pointOnCircle(x, y, radius, 0.5); + ctx.arrow(point.x, point.y, angle, length); + ctx.fill(); + ctx.stroke(); - /** - * rotation in degrees - * @property transformMinRotation - * @type {Number} - * @default 1 - */ - transformMinRotation: 1 - }, + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + } + }; - handler: transformGesture - }; - })('transform'); + Edge.prototype._pointOnBezier = function(t) { + var via = this._getViaCoordinates(); - /** - * @module hammer - */ + var x = Math.pow(1-t,2)*this.from.x + (2*t*(1 - t))*via.x + Math.pow(t,2)*this.to.x; + var y = Math.pow(1-t,2)*this.from.y + (2*t*(1 - t))*via.y + Math.pow(t,2)*this.to.y; - // AMD export - if(true) { - !(__WEBPACK_AMD_DEFINE_RESULT__ = function() { - return Hammer; - }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); - // commonjs export - } else if(typeof module !== 'undefined' && module.exports) { - module.exports = Hammer; - // browser export - } else { - window.Hammer = Hammer; + return {x:x,y:y}; } - })(window); - -/***/ }, -/* 59 */ -/***/ function(module, exports, __webpack_require__) { - - var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;"use strict"; /** - * Created by Alex on 11/6/2014. + * This function uses binary search to look for the point where the bezier curve crosses the border of the node. + * + * @param from + * @param ctx + * @returns {*} + * @private */ - - // https://github.com/umdjs/umd/blob/master/returnExports.js#L40-L60 - // if the module has no dependencies, the above pattern can be simplified to - (function (root, factory) { - if (true) { - // AMD. Register as an anonymous module. - !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory), __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ? (__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); - } else if (typeof exports === 'object') { - // Node. Does not work with strict CommonJS, but - // only CommonJS-like environments that support module.exports, - // like Node. - module.exports = factory(); - } else { - // Browser globals (root is window) - root.keycharm = factory(); + Edge.prototype._findBorderPosition = function(from,ctx) { + var maxIterations = 10; + var iteration = 0; + var low = 0; + var high = 1; + var pos,angle,distanceToBorder, distanceToNodes, difference; + var threshold = 0.2; + var node = this.to; + if (from == true) { + node = this.from; } - }(this, function () { - function keycharm(options) { - var preventDefault = options && options.preventDefault || false; + while (low <= high && iteration < maxIterations) { + var middle = (low + high) * 0.5; - var container = options && options.container || window; + pos = this._pointOnBezier(middle); + angle = Math.atan2((node.y - pos.y), (node.x - pos.x)); + distanceToBorder = node.distanceToBorder(ctx,angle); + distanceToNodes = Math.sqrt(Math.pow(pos.x-node.x,2) + Math.pow(pos.y-node.y,2)); + difference = distanceToBorder - distanceToNodes; + if (Math.abs(difference) < threshold) { + break; // found + } + else if (difference < 0) { // distance to nodes is larger than distance to border --> t needs to be bigger if we're looking at the to node. + if (from == false) { + low = middle; + } + else { + high = middle; + } + } + else { + if (from == false) { + high = middle; + } + else { + low = middle; + } + } - var _exportFunctions = {}; - var _bound = {keydown:{}, keyup:{}}; - var _keys = {}; - var i; + iteration++; + } + pos.t = middle; - // a - z - for (i = 97; i <= 122; i++) {_keys[String.fromCharCode(i)] = {code:65 + (i - 97), shift: false};} - // A - Z - for (i = 65; i <= 90; i++) {_keys[String.fromCharCode(i)] = {code:i, shift: true};} - // 0 - 9 - for (i = 0; i <= 9; i++) {_keys['' + i] = {code:48 + i, shift: false};} - // F1 - F12 - for (i = 1; i <= 12; i++) {_keys['F' + i] = {code:111 + i, shift: false};} - // num0 - num9 - for (i = 0; i <= 9; i++) {_keys['num' + i] = {code:96 + i, shift: false};} + return pos; + }; - // numpad misc - _keys['num*'] = {code:106, shift: false}; - _keys['num+'] = {code:107, shift: false}; - _keys['num-'] = {code:109, shift: false}; - _keys['num/'] = {code:111, shift: false}; - _keys['num.'] = {code:110, shift: false}; - // arrows - _keys['left'] = {code:37, shift: false}; - _keys['up'] = {code:38, shift: false}; - _keys['right'] = {code:39, shift: false}; - _keys['down'] = {code:40, shift: false}; - // extra keys - _keys['space'] = {code:32, shift: false}; - _keys['enter'] = {code:13, shift: false}; - _keys['shift'] = {code:16, shift: undefined}; - _keys['esc'] = {code:27, shift: false}; - _keys['backspace'] = {code:8, shift: false}; - _keys['tab'] = {code:9, shift: false}; - _keys['ctrl'] = {code:17, shift: false}; - _keys['alt'] = {code:18, shift: false}; - _keys['delete'] = {code:46, shift: false}; - _keys['pageup'] = {code:33, shift: false}; - _keys['pagedown'] = {code:34, shift: false}; - // symbols - _keys['='] = {code:187, shift: false}; - _keys['-'] = {code:189, shift: false}; - _keys[']'] = {code:221, shift: false}; - _keys['['] = {code:219, shift: false}; + /** + * Redraw a edge as a line with an arrow + * Draw this edge in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + * @private + */ + Edge.prototype._drawArrow = function(ctx) { + // set style + ctx.strokeStyle = this._getColor(); + ctx.fillStyle = ctx.strokeStyle; + ctx.lineWidth = this._getLineWidth(); + // set vars + var angle, length, arrowPos; + // if not connected to itself + if (this.from != this.to) { + // draw line + this._line(ctx); - var down = function(event) {handleEvent(event,'keydown');}; - var up = function(event) {handleEvent(event,'keyup');}; + // draw arrow head + if (this.options.smoothCurves.enabled == true) { + var via = this._getViaCoordinates(); + arrowPos = this._findBorderPosition(false, ctx); + var guidePos = this._pointOnBezier(Math.max(0.0, arrowPos.t - 0.1)) + angle = Math.atan2((arrowPos.y - guidePos.y), (arrowPos.x - guidePos.x)); + } + else { + angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); + var dx = (this.to.x - this.from.x); + var dy = (this.to.y - this.from.y); + var edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); + var toBorderDist = this.to.distanceToBorder(ctx, angle); + var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength; - // handle the actualy bound key with the event - var handleEvent = function(event,type) { - if (_bound[type][event.keyCode] !== undefined) { - var bound = _bound[type][event.keyCode]; - for (var i = 0; i < bound.length; i++) { - if (bound[i].shift === undefined) { - bound[i].fn(event); - } - else if (bound[i].shift == true && event.shiftKey == true) { - bound[i].fn(event); - } - else if (bound[i].shift == false && event.shiftKey == false) { - bound[i].fn(event); - } - } + arrowPos = {}; + arrowPos.x = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; + arrowPos.y = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; + } - if (preventDefault == true) { - event.preventDefault(); - } - } - }; + // draw arrow at the end of the line + length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; + ctx.arrow(arrowPos.x,arrowPos.y, angle, length); + ctx.fill(); + ctx.stroke(); - // bind a key to a callback - _exportFunctions.bind = function(key, callback, type) { - if (type === undefined) { - type = 'keydown'; - } - if (_keys[key] === undefined) { - throw new Error("unsupported key: " + key); + // draw label + if (this.label) { + var point; + if (this.options.smoothCurves.enabled == true && via != null) { + point = this._pointOnBezier(0.5); } - if (_bound[type][_keys[key].code] === undefined) { - _bound[type][_keys[key].code] = []; + else { + point = this._pointOnLine(0.5); } - _bound[type][_keys[key].code].push({fn:callback, shift:_keys[key].shift}); - }; - + this._label(ctx, this.label, point.x, point.y); + } + } + else { + // draw circle + var node = this.from; + var x, y, arrow; + var radius = 0.25 * Math.max(100,this.physics.springLength); + if (!node.width) { + node.resize(ctx); + } + if (node.width > node.height) { + x = node.x + node.width * 0.5; + y = node.y - radius; + arrow = { + x: x, + y: node.y, + angle: 0.9 * Math.PI + }; + } + else { + x = node.x + radius; + y = node.y - node.height * 0.5; + arrow = { + x: node.x, + y: y, + angle: 0.6 * Math.PI + }; + } + ctx.beginPath(); + // TODO: similarly, for a line without arrows, draw to the border of the nodes instead of the center + ctx.arc(x, y, radius, 0, 2 * Math.PI, false); + ctx.stroke(); - // bind all keys to a call back (demo purposes) - _exportFunctions.bindAll = function(callback, type) { - if (type === undefined) { - type = 'keydown'; - } - for (var key in _keys) { - if (_keys.hasOwnProperty(key)) { - _exportFunctions.bind(key,callback,type); - } - } - }; + // draw all arrows + var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; + ctx.arrow(arrow.x, arrow.y, arrow.angle, length); + ctx.fill(); + ctx.stroke(); - // get the key label from an event - _exportFunctions.getKey = function(event) { - for (var key in _keys) { - if (_keys.hasOwnProperty(key)) { - if (event.shiftKey == true && _keys[key].shift == true && event.keyCode == _keys[key].code) { - return key; - } - else if (event.shiftKey == false && _keys[key].shift == false && event.keyCode == _keys[key].code) { - return key; - } - else if (event.keyCode == _keys[key].code && key == 'shift') { - return key; - } - } - } - return "unknown key, currently not supported"; - }; + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + } + }; - // unbind either a specific callback from a key or all of them (by leaving callback undefined) - _exportFunctions.unbind = function(key, callback, type) { - if (type === undefined) { - type = 'keydown'; + /** + * Calculate the distance between a point (x3,y3) and a line segment from + * (x1,y1) to (x2,y2). + * http://stackoverflow.com/questions/849211/shortest-distancae-between-a-point-and-a-line-segment + * @param {number} x1 + * @param {number} y1 + * @param {number} x2 + * @param {number} y2 + * @param {number} x3 + * @param {number} y3 + * @private + */ + Edge.prototype._getDistanceToEdge = function (x1,y1, x2,y2, x3,y3) { // x3,y3 is the point + var returnValue = 0; + if (this.from != this.to) { + if (this.options.smoothCurves.enabled == true) { + var xVia, yVia; + if (this.options.smoothCurves.enabled == true && this.options.smoothCurves.dynamic == true) { + xVia = this.via.x; + yVia = this.via.y; } - if (_keys[key] === undefined) { - throw new Error("unsupported key: " + key); + else { + var via = this._getViaCoordinates(); + xVia = via.x; + yVia = via.y; } - if (callback !== undefined) { - var newBindings = []; - var bound = _bound[type][_keys[key].code]; - if (bound !== undefined) { - for (var i = 0; i < bound.length; i++) { - if (!(bound[i].fn == callback && bound[i].shift == _keys[key].shift)) { - newBindings.push(_bound[type][_keys[key].code][i]); - } - } + var minDistance = 1e9; + var distance; + var i,t,x,y, lastX, lastY; + for (i = 0; i < 10; i++) { + t = 0.1*i; + x = Math.pow(1-t,2)*x1 + (2*t*(1 - t))*xVia + Math.pow(t,2)*x2; + y = Math.pow(1-t,2)*y1 + (2*t*(1 - t))*yVia + Math.pow(t,2)*y2; + if (i > 0) { + distance = this._getDistanceToLine(lastX,lastY,x,y, x3,y3); + minDistance = distance < minDistance ? distance : minDistance; } - _bound[type][_keys[key].code] = newBindings; - } - else { - _bound[type][_keys[key].code] = []; + lastX = x; lastY = y; } - }; - - // reset all bound variables. - _exportFunctions.reset = function() { - _bound = {keydown:{}, keyup:{}}; - }; - - // unbind all listeners and reset all variables. - _exportFunctions.destroy = function() { - _bound = {keydown:{}, keyup:{}}; - container.removeEventListener('keydown', down, true); - container.removeEventListener('keyup', up, true); - }; - - // create listeners. - container.addEventListener('keydown',down,true); - container.addEventListener('keyup',up,true); + returnValue = minDistance; + } + else { + returnValue = this._getDistanceToLine(x1,y1,x2,y2,x3,y3); + } + } + else { + var x, y, dx, dy; + var radius = 0.25 * this.physics.springLength; + var node = this.from; + if (node.width > node.height) { + x = node.x + 0.5 * node.width; + y = node.y - radius; + } + else { + x = node.x + radius; + y = node.y - 0.5 * node.height; + } + dx = x - x3; + dy = y - y3; + returnValue = Math.abs(Math.sqrt(dx*dx + dy*dy) - radius); + } - // return the public functions. - return _exportFunctions; + if (this.labelDimensions.left < x3 && + this.labelDimensions.left + this.labelDimensions.width > x3 && + this.labelDimensions.top < y3 && + this.labelDimensions.top + this.labelDimensions.height > y3) { + return 0; + } + else { + return returnValue; } + }; - return keycharm; - })); + Edge.prototype._getDistanceToLine = function(x1,y1,x2,y2,x3,y3) { + var px = x2-x1, + py = y2-y1, + something = px*px + py*py, + u = ((x3 - x1) * px + (y3 - y1) * py) / something; + if (u > 1) { + u = 1; + } + else if (u < 0) { + u = 0; + } + var x = x1 + u * px, + y = y1 + u * py, + dx = x - x3, + dy = y - y3; + //# Note: If the actual distance does not matter, + //# if you only want to compare what this function + //# returns to other results of this function, you + //# can just return the squared distance instead + //# (i.e. remove the sqrt) to gain a little performance -/***/ }, -/* 60 */ -/***/ function(module, exports, __webpack_require__) { + return Math.sqrt(dx*dx + dy*dy); + }; /** - * Creation of the ClusterMixin var. + * This allows the zoom level of the network to influence the rendering * - * This contains all the functions the Network object can use to employ clustering + * @param scale */ - - /** - * This is only called in the constructor of the network object - * - */ - exports.startWithClustering = function() { - // cluster if the data set is big - this.clusterToFit(this.constants.clustering.initialMaxNodes, true); - - // updates the lables after clustering - this.updateLabels(); - - // this is called here because if clusterin is disabled, the start and stabilize are called in - // the setData function. - if (this.stabilize) { - this._stabilize(); - } - this.start(); + Edge.prototype.setScale = function(scale) { + this.networkScaleInv = 1.0/scale; }; - /** - * This function clusters until the initialMaxNodes has been reached - * - * @param {Number} maxNumberOfNodes - * @param {Boolean} reposition - */ - exports.clusterToFit = function(maxNumberOfNodes, reposition) { - var numberOfNodes = this.nodeIndices.length; - var maxLevels = 50; - var level = 0; + Edge.prototype.select = function() { + this.selected = true; + }; - // we first cluster the hubs, then we pull in the outliers, repeat - while (numberOfNodes > maxNumberOfNodes && level < maxLevels) { - if (level % 3 == 0) { - this.forceAggregateHubs(true); - this.normalizeClusterLevels(); - } - else { - this.increaseClusterLevel(); // this also includes a cluster normalization - } + Edge.prototype.unselect = function() { + this.selected = false; + }; - numberOfNodes = this.nodeIndices.length; - level += 1; + Edge.prototype.positionBezierNode = function() { + if (this.via !== null && this.from !== null && this.to !== null) { + this.via.x = 0.5 * (this.from.x + this.to.x); + this.via.y = 0.5 * (this.from.y + this.to.y); } - - // after the clustering we reposition the nodes to reduce the initial chaos - if (level > 0 && reposition == true) { - this.repositionNodes(); + else { + this.via.x = 0; + this.via.y = 0; } - this._updateCalculationNodes(); }; /** - * This function can be called to open up a specific cluster. It is only called by - * It will unpack the cluster back one level. - * - * @param node | Node object: cluster to open. + * This function draws the control nodes for the manipulator. + * In order to enable this, only set the this.controlNodesEnabled to true. + * @param ctx */ - exports.openCluster = function(node) { - var isMovingBeforeClustering = this.moving; - if (node.clusterSize > this.constants.clustering.sectorThreshold && this._nodeInActiveArea(node) && - !(this._sector() == "default" && this.nodeIndices.length == 1)) { - // this loads a new sector, loads the nodes and edges and nodeIndices of it. - this._addSector(node); - var level = 0; + Edge.prototype._drawControlNodes = function(ctx) { + if (this.controlNodesEnabled == true) { + if (this.controlNodes.from === null && this.controlNodes.to === null) { + var nodeIdFrom = "edgeIdFrom:".concat(this.id); + var nodeIdTo = "edgeIdTo:".concat(this.id); + var constants = { + nodes:{group:'', radius:7, borderWidth:2, borderWidthSelected: 2}, + physics:{damping:0}, + clustering: {maxNodeSizeIncrements: 0 ,nodeScaling: {width:0, height: 0, radius:0}} + }; + this.controlNodes.from = new Node( + {id:nodeIdFrom, + shape:'dot', + color:{background:'#ff0000', border:'#3c3c3c', highlight: {background:'#07f968'}} + },{},{},constants); + this.controlNodes.to = new Node( + {id:nodeIdTo, + shape:'dot', + color:{background:'#ff0000', border:'#3c3c3c', highlight: {background:'#07f968'}} + },{},{},constants); + } - // we decluster until we reach a decent number of nodes - while ((this.nodeIndices.length < this.constants.clustering.initialMaxNodes) && (level < 10)) { - this.decreaseClusterLevel(); - level += 1; + this.controlNodes.positions = {}; + if (this.controlNodes.from.selected == false) { + this.controlNodes.positions.from = this.getControlNodeFromPosition(ctx); + this.controlNodes.from.x = this.controlNodes.positions.from.x; + this.controlNodes.from.y = this.controlNodes.positions.from.y; + } + if (this.controlNodes.to.selected == false) { + this.controlNodes.positions.to = this.getControlNodeToPosition(ctx); + this.controlNodes.to.x = this.controlNodes.positions.to.x; + this.controlNodes.to.y = this.controlNodes.positions.to.y; } + this.controlNodes.from.draw(ctx); + this.controlNodes.to.draw(ctx); } else { - this._expandClusterNode(node,false,true); - - // update the index list, dynamic edges and labels - this._updateNodeIndexList(); - this._updateDynamicEdges(); - this._updateCalculationNodes(); - this.updateLabels(); - } - - // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded - if (this.moving != isMovingBeforeClustering) { - this.start(); + this.controlNodes = {from:null, to:null, positions:{}}; } }; - /** - * This calls the updateClustes with default arguments + * Enable control nodes. + * @private */ - exports.updateClustersDefault = function() { - if (this.constants.clustering.enabled == true) { - this.updateClusters(0,false,false); - } + Edge.prototype._enableControlNodes = function() { + this.fromBackup = this.from; + this.toBackup = this.to; + this.controlNodesEnabled = true; }; - /** - * This function can be called to increase the cluster level. This means that the nodes with only one edge connection will - * be clustered with their connected node. This can be repeated as many times as needed. - * This can be called externally (by a keybind for instance) to reduce the complexity of big datasets. + * disable control nodes and remove from dynamicEdges from old node + * @private */ - exports.increaseClusterLevel = function() { - this.updateClusters(-1,false,true); - }; - + Edge.prototype._disableControlNodes = function() { + this.fromId = this.from.id; + this.toId = this.to.id; + if (this.fromId != this.fromBackup.id) { // from was changed, remove edge from old 'from' node dynamic edges + this.fromBackup.detachEdge(this); + } + else if (this.toId != this.toBackup.id) { // to was changed, remove edge from old 'to' node dynamic edges + this.toBackup.detachEdge(this); + } - /** - * This function can be called to decrease the cluster level. This means that the nodes with only one edge connection will - * be unpacked if they are a cluster. This can be repeated as many times as needed. - * This can be called externally (by a key-bind for instance) to look into clusters without zooming. - */ - exports.decreaseClusterLevel = function() { - this.updateClusters(1,false,true); + this.fromBackup = null; + this.toBackup = null; + this.controlNodesEnabled = false; }; /** - * This is the main clustering function. It clusters and declusters on zoom or forced - * This function clusters on zoom, it can be called with a predefined zoom direction - * If out, check if we can form clusters, if in, check if we can open clusters. - * This function is only called from _zoom() - * - * @param {Number} zoomDirection | -1 / 0 / +1 for zoomOut / determineByZoom / zoomIn - * @param {Boolean} recursive | enabled or disable recursive calling of the opening of clusters - * @param {Boolean} force | enabled or disable forcing - * @param {Boolean} doNotStart | if true do not call start - * + * This checks if one of the control nodes is selected and if so, returns the control node object. Else it returns null. + * @param x + * @param y + * @returns {null} + * @private */ - exports.updateClusters = function(zoomDirection,recursive,force,doNotStart) { - var isMovingBeforeClustering = this.moving; - var amountOfNodes = this.nodeIndices.length; - - // on zoom out collapse the sector if the scale is at the level the sector was made - if (this.previousScale > this.scale && zoomDirection == 0) { - this._collapseSector(); - } - - // check if we zoom in or out - if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out - // forming clusters when forced pulls outliers in. When not forced, the edge length of the - // outer nodes determines if it is being clustered - this._formClusters(force); - } - else if (this.previousScale < this.scale || zoomDirection == 1) { // zoom in - if (force == true) { - // _openClusters checks for each node if the formationScale of the cluster is smaller than - // the current scale and if so, declusters. When forced, all clusters are reduced by one step - this._openClusters(recursive,force); - } - else { - // if a cluster takes up a set percentage of the active window - this._openClustersBySize(); - } - } - this._updateNodeIndexList(); - - // if a cluster was NOT formed and the user zoomed out, we try clustering by hubs - if (this.nodeIndices.length == amountOfNodes && (this.previousScale > this.scale || zoomDirection == -1)) { - this._aggregateHubs(force); - this._updateNodeIndexList(); - } + Edge.prototype._getSelectedControlNode = function(x,y) { + var positions = this.controlNodes.positions; + var fromDistance = Math.sqrt(Math.pow(x - positions.from.x,2) + Math.pow(y - positions.from.y,2)); + var toDistance = Math.sqrt(Math.pow(x - positions.to.x ,2) + Math.pow(y - positions.to.y ,2)); - // we now reduce chains. - if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out - this.handleChains(); - this._updateNodeIndexList(); + if (fromDistance < 15) { + this.connectedNode = this.from; + this.from = this.controlNodes.from; + return this.controlNodes.from; } - - this.previousScale = this.scale; - - // rest of the update the index list, dynamic edges and labels - this._updateDynamicEdges(); - this.updateLabels(); - - // if a cluster was formed, we increase the clusterSession - if (this.nodeIndices.length < amountOfNodes) { // this means a clustering operation has taken place - this.clusterSession += 1; - // if clusters have been made, we normalize the cluster level - this.normalizeClusterLevels(); + else if (toDistance < 15) { + this.connectedNode = this.to; + this.to = this.controlNodes.to; + return this.controlNodes.to; } - - if (doNotStart == false || doNotStart === undefined) { - // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded - if (this.moving != isMovingBeforeClustering) { - this.start(); - } + else { + return null; } - - this._updateCalculationNodes(); }; - /** - * This function handles the chains. It is called on every updateClusters(). - */ - exports.handleChains = function() { - // after clustering we check how many chains there are - var chainPercentage = this._getChainFraction(); - if (chainPercentage > this.constants.clustering.chainThreshold) { - this._reduceAmountOfChains(1 - this.constants.clustering.chainThreshold / chainPercentage) - - } - }; /** - * this functions starts clustering by hubs - * The minimum hub threshold is set globally - * + * this resets the control nodes to their original position. * @private */ - exports._aggregateHubs = function(force) { - this._getHubSize(); - this._formClustersByHub(force,false); + Edge.prototype._restoreControlNodes = function() { + if (this.controlNodes.from.selected == true) { + this.from = this.connectedNode; + this.connectedNode = null; + this.controlNodes.from.unselect(); + } + else if (this.controlNodes.to.selected == true) { + this.to = this.connectedNode; + this.connectedNode = null; + this.controlNodes.to.unselect(); + } }; - /** - * This function is fired by keypress. It forces hubs to form. + * this calculates the position of the control nodes on the edges of the parent nodes. * + * @param ctx + * @returns {x: *, y: *} */ - exports.forceAggregateHubs = function(doNotStart) { - var isMovingBeforeClustering = this.moving; - var amountOfNodes = this.nodeIndices.length; - - this._aggregateHubs(true); - - // update the index list, dynamic edges and labels - this._updateNodeIndexList(); - this._updateDynamicEdges(); - this.updateLabels(); - - // if a cluster was formed, we increase the clusterSession - if (this.nodeIndices.length != amountOfNodes) { - this.clusterSession += 1; + Edge.prototype.getControlNodeFromPosition = function(ctx) { + // draw arrow head + var controlnodeFromPos; + if (this.options.smoothCurves.enabled == true) { + controlnodeFromPos = this._findBorderPosition(true, ctx); } + else { + var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); + var dx = (this.to.x - this.from.x); + var dy = (this.to.y - this.from.y); + var edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); - if (doNotStart == false || doNotStart === undefined) { - // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded - if (this.moving != isMovingBeforeClustering) { - this.start(); - } + var fromBorderDist = this.from.distanceToBorder(ctx, angle + Math.PI); + var fromBorderPoint = (edgeSegmentLength - fromBorderDist) / edgeSegmentLength; + controlnodeFromPos = {}; + controlnodeFromPos.x = (fromBorderPoint) * this.from.x + (1 - fromBorderPoint) * this.to.x; + controlnodeFromPos.y = (fromBorderPoint) * this.from.y + (1 - fromBorderPoint) * this.to.y; } + + return controlnodeFromPos; }; /** - * If a cluster takes up more than a set percentage of the screen, open the cluster + * this calculates the position of the control nodes on the edges of the parent nodes. * - * @private + * @param ctx + * @returns {{from: {x: number, y: number}, to: {x: *, y: *}}} */ - exports._openClustersBySize = function() { - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - var node = this.nodes[nodeId]; - if (node.inView() == true) { - if ((node.width*this.scale > this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientWidth) || - (node.height*this.scale > this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientHeight)) { - this.openCluster(node); - } - } - } + Edge.prototype.getControlNodeToPosition = function(ctx) { + // draw arrow head + var controlnodeFromPos,controlnodeToPos; + if (this.options.smoothCurves.enabled == true) { + controlnodeToPos = this._findBorderPosition(false, ctx); } - }; - + else { + var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); + var dx = (this.to.x - this.from.x); + var dy = (this.to.y - this.from.y); + var edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); + var toBorderDist = this.to.distanceToBorder(ctx, angle); + var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength; - /** - * This function loops over all nodes in the nodeIndices list. For each node it checks if it is a cluster and if it - * has to be opened based on the current zoom level. - * - * @private - */ - exports._openClusters = function(recursive,force) { - for (var i = 0; i < this.nodeIndices.length; i++) { - var node = this.nodes[this.nodeIndices[i]]; - this._expandClusterNode(node,recursive,force); - this._updateCalculationNodes(); + controlnodeToPos = {}; + controlnodeToPos.x = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; + controlnodeToPos.y = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; } + + return controlnodeToPos; }; + module.exports = Edge; + +/***/ }, +/* 58 */ +/***/ function(module, exports, __webpack_require__) { + /** - * This function checks if a node has to be opened. This is done by checking the zoom level. - * If the node contains child nodes, this function is recursively called on the child nodes as well. - * This recursive behaviour is optional and can be set by the recursive argument. - * - * @param {Node} parentNode | to check for cluster and expand - * @param {Boolean} recursive | enabled or disable recursive calling - * @param {Boolean} force | enabled or disable forcing - * @param {Boolean} [openAll] | This will recursively force all nodes in the parent to be released - * @private + * Popup is a class to create a popup window with some text + * @param {Element} container The container object. + * @param {Number} [x] + * @param {Number} [y] + * @param {String} [text] + * @param {Object} [style] An object containing borderColor, + * backgroundColor, etc. */ - exports._expandClusterNode = function(parentNode, recursive, force, openAll) { - // first check if node is a cluster - if (parentNode.clusterSize > 1) { - // this means that on a double tap event or a zoom event, the cluster fully unpacks if it is smaller than 20 - if (parentNode.clusterSize < this.constants.clustering.sectorThreshold) { - openAll = true; - } - recursive = openAll ? true : recursive; - - // if the last child has been added on a smaller scale than current scale decluster - if (parentNode.formationScale < this.scale || force == true) { - // we will check if any of the contained child nodes should be removed from the cluster - for (var containedNodeId in parentNode.containedNodes) { - if (parentNode.containedNodes.hasOwnProperty(containedNodeId)) { - var childNode = parentNode.containedNodes[containedNodeId]; + function Popup(container, x, y, text, style) { + if (container) { + this.container = container; + } + else { + this.container = document.body; + } - // force expand will expand the largest cluster size clusters. Since we cluster from outside in, we assume that - // the largest cluster is the one that comes from outside - if (force == true) { - if (childNode.clusterSession == parentNode.clusterSessions[parentNode.clusterSessions.length-1] - || openAll) { - this._expelChildFromParent(parentNode,containedNodeId,recursive,force,openAll); - } - } - else { - if (this._nodeInActiveArea(parentNode)) { - this._expelChildFromParent(parentNode,containedNodeId,recursive,force,openAll); - } - } + // x, y and text are optional, see if a style object was passed in their place + if (style === undefined) { + if (typeof x === "object") { + style = x; + x = undefined; + } else if (typeof text === "object") { + style = text; + text = undefined; + } else { + // for backwards compatibility, in case clients other than Network are creating Popup directly + style = { + fontColor: 'black', + fontSize: 14, // px + fontFace: 'verdana', + color: { + border: '#666', + background: '#FFFFC6' } } } } - }; - - /** - * ONLY CALLED FROM _expandClusterNode - * - * This function will expel a child_node from a parent_node. This is to de-cluster the node. This function will remove - * the child node from the parent contained_node object and put it back into the global nodes object. - * The same holds for the edge that was connected to the child node. It is moved back into the global edges object. - * - * @param {Node} parentNode | the parent node - * @param {String} containedNodeId | child_node id as it is contained in the containedNodes object of the parent node - * @param {Boolean} recursive | This will also check if the child needs to be expanded. - * With force and recursive both true, the entire cluster is unpacked - * @param {Boolean} force | This will disregard the zoom level and will expel this child from the parent - * @param {Boolean} openAll | This will recursively force all nodes in the parent to be released - * @private - */ - exports._expelChildFromParent = function(parentNode, containedNodeId, recursive, force, openAll) { - var childNode = parentNode.containedNodes[containedNodeId]; - - // if child node has been added on smaller scale than current, kick out - if (childNode.formationScale < this.scale || force == true) { - // unselect all selected items - this._unselectAll(); - // put the child node back in the global nodes object - this.nodes[containedNodeId] = childNode; + this.x = 0; + this.y = 0; + this.padding = 5; - // release the contained edges from this childNode back into the global edges - this._releaseContainedEdges(parentNode,childNode); + if (x !== undefined && y !== undefined ) { + this.setPosition(x, y); + } + if (text !== undefined) { + this.setText(text); + } - // reconnect rerouted edges to the childNode - this._connectEdgeBackToChild(parentNode,childNode); + // create the frame + this.frame = document.createElement("div"); + var styleAttr = this.frame.style; + styleAttr.position = "absolute"; + styleAttr.visibility = "hidden"; + styleAttr.border = "1px solid " + style.color.border; + styleAttr.color = style.fontColor; + styleAttr.fontSize = style.fontSize + "px"; + styleAttr.fontFamily = style.fontFace; + styleAttr.padding = this.padding + "px"; + styleAttr.backgroundColor = style.color.background; + styleAttr.borderRadius = "3px"; + styleAttr.MozBorderRadius = "3px"; + styleAttr.WebkitBorderRadius = "3px"; + styleAttr.boxShadow = "3px 3px 10px rgba(128, 128, 128, 0.5)"; + styleAttr.whiteSpace = "nowrap"; + this.container.appendChild(this.frame); + } - // validate all edges in dynamicEdges - this._validateEdges(parentNode); + /** + * @param {number} x Horizontal position of the popup window + * @param {number} y Vertical position of the popup window + */ + Popup.prototype.setPosition = function(x, y) { + this.x = parseInt(x); + this.y = parseInt(y); + }; - // undo the changes from the clustering operation on the parent node - parentNode.options.mass -= childNode.options.mass; - parentNode.clusterSize -= childNode.clusterSize; - parentNode.options.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*(parentNode.clusterSize-1)); - parentNode.dynamicEdgesLength = parentNode.dynamicEdges.length; + /** + * Set the content for the popup window. This can be HTML code or text. + * @param {string | Element} content + */ + Popup.prototype.setText = function(content) { + if (content instanceof Element) { + this.frame.innerHTML = ''; + this.frame.appendChild(content); + } + else { + this.frame.innerHTML = content; // string containing text or HTML + } + }; - // place the child node near the parent, not at the exact same location to avoid chaos in the system - childNode.x = parentNode.x + parentNode.growthIndicator * (0.5 - Math.random()); - childNode.y = parentNode.y + parentNode.growthIndicator * (0.5 - Math.random()); + /** + * Show the popup window + * @param {boolean} show Optional. Show or hide the window + */ + Popup.prototype.show = function (show) { + if (show === undefined) { + show = true; + } - // remove node from the list - delete parentNode.containedNodes[containedNodeId]; + if (show) { + var height = this.frame.clientHeight; + var width = this.frame.clientWidth; + var maxHeight = this.frame.parentNode.clientHeight; + var maxWidth = this.frame.parentNode.clientWidth; - // check if there are other childs with this clusterSession in the parent. - var othersPresent = false; - for (var childNodeId in parentNode.containedNodes) { - if (parentNode.containedNodes.hasOwnProperty(childNodeId)) { - if (parentNode.containedNodes[childNodeId].clusterSession == childNode.clusterSession) { - othersPresent = true; - break; - } - } + var top = (this.y - height); + if (top + height + this.padding > maxHeight) { + top = maxHeight - height - this.padding; } - // if there are no others, remove the cluster session from the list - if (othersPresent == false) { - parentNode.clusterSessions.pop(); + if (top < this.padding) { + top = this.padding; } - this._repositionBezierNodes(childNode); - // this._repositionBezierNodes(parentNode); + var left = this.x; + if (left + width + this.padding > maxWidth) { + left = maxWidth - width - this.padding; + } + if (left < this.padding) { + left = this.padding; + } - // remove the clusterSession from the child node - childNode.clusterSession = 0; + this.frame.style.left = left + "px"; + this.frame.style.top = top + "px"; + this.frame.style.visibility = "visible"; + } + else { + this.hide(); + } + }; - // recalculate the size of the node on the next time the node is rendered - parentNode.clearSizeCache(); + /** + * Hide the popup window + */ + Popup.prototype.hide = function () { + this.frame.style.visibility = "hidden"; + }; - // restart the simulation to reorganise all nodes - this.moving = true; - } + module.exports = Popup; - // check if a further expansion step is possible if recursivity is enabled - if (recursive == true) { - this._expandClusterNode(childNode,recursive,force,openAll); + +/***/ }, +/* 59 */ +/***/ function(module, exports, __webpack_require__) { + + var PhysicsMixin = __webpack_require__(60); + var ClusterMixin = __webpack_require__(64); + var SectorsMixin = __webpack_require__(65); + var SelectionMixin = __webpack_require__(66); + var ManipulationMixin = __webpack_require__(67); + var NavigationMixin = __webpack_require__(68); + var HierarchicalLayoutMixin = __webpack_require__(69); + + /** + * Load a mixin into the network object + * + * @param {Object} sourceVariable | this object has to contain functions. + * @private + */ + exports._loadMixin = function (sourceVariable) { + for (var mixinFunction in sourceVariable) { + if (sourceVariable.hasOwnProperty(mixinFunction)) { + this[mixinFunction] = sourceVariable[mixinFunction]; + } } }; /** - * position the bezier nodes at the center of the edges + * removes a mixin from the network object. * - * @param node + * @param {Object} sourceVariable | this object has to contain functions. * @private */ - exports._repositionBezierNodes = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - node.dynamicEdges[i].positionBezierNode(); + exports._clearMixin = function (sourceVariable) { + for (var mixinFunction in sourceVariable) { + if (sourceVariable.hasOwnProperty(mixinFunction)) { + this[mixinFunction] = undefined; + } } }; /** - * This function checks if any nodes at the end of their trees have edges below a threshold length - * This function is called only from updateClusters() - * forceLevelCollapse ignores the length of the edge and collapses one level - * This means that a node with only one edge will be clustered with its connected node + * Mixin the physics system and initialize the parameters required. * * @private - * @param {Boolean} force */ - exports._formClusters = function(force) { - if (force == false) { - this._formClustersByZoom(); + exports._loadPhysicsSystem = function () { + this._loadMixin(PhysicsMixin); + this._loadSelectedForceSolver(); + if (this.constants.configurePhysics == true) { + this._loadPhysicsConfiguration(); } else { - this._forceClustersByZoom(); + this._cleanupPhysicsConfiguration(); } }; /** - * This function handles the clustering by zooming out, this is based on a minimum edge distance + * Mixin the cluster system and initialize the parameters required. * * @private */ - exports._formClustersByZoom = function() { - var dx,dy,length, - minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; + exports._loadClusterSystem = function () { + this.clusterSession = 0; + this.hubThreshold = 5; + this._loadMixin(ClusterMixin); + }; - // check if any edges are shorter than minLength and start the clustering - // the clustering favours the node with the larger mass - for (var edgeId in this.edges) { - if (this.edges.hasOwnProperty(edgeId)) { - var edge = this.edges[edgeId]; - if (edge.connected) { - if (edge.toId != edge.fromId) { - dx = (edge.to.x - edge.from.x); - dy = (edge.to.y - edge.from.y); - length = Math.sqrt(dx * dx + dy * dy); + /** + * Mixin the sector system and initialize the parameters required + * + * @private + */ + exports._loadSectorSystem = function () { + this.sectors = {}; + this.activeSector = ["default"]; + this.sectors["active"] = {}; + this.sectors["active"]["default"] = {"nodes": {}, + "edges": {}, + "nodeIndices": [], + "formationScale": 1.0, + "drawingNode": undefined }; + this.sectors["frozen"] = {}; + this.sectors["support"] = {"nodes": {}, + "edges": {}, + "nodeIndices": [], + "formationScale": 1.0, + "drawingNode": undefined }; - if (length < minLength) { - // first check which node is larger - var parentNode = edge.from; - var childNode = edge.to; - if (edge.to.options.mass > edge.from.options.mass) { - parentNode = edge.to; - childNode = edge.from; - } + this.nodeIndices = this.sectors["active"]["default"]["nodeIndices"]; // the node indices list is used to speed up the computation of the repulsion fields - if (childNode.dynamicEdgesLength == 1) { - this._addToCluster(parentNode,childNode,false); - } - else if (parentNode.dynamicEdgesLength == 1) { - this._addToCluster(childNode,parentNode,false); - } - } - } - } - } - } + this._loadMixin(SectorsMixin); }; + /** - * This function forces the network to cluster all nodes with only one connecting edge to their - * connected node. + * Mixin the selection system and initialize the parameters required * * @private */ - exports._forceClustersByZoom = function() { - for (var nodeId in this.nodes) { - // another node could have absorbed this child. - if (this.nodes.hasOwnProperty(nodeId)) { - var childNode = this.nodes[nodeId]; - - // the edges can be swallowed by another decrease - if (childNode.dynamicEdgesLength == 1 && childNode.dynamicEdges.length != 0) { - var edge = childNode.dynamicEdges[0]; - var parentNode = (edge.toId == childNode.id) ? this.nodes[edge.fromId] : this.nodes[edge.toId]; + exports._loadSelectionSystem = function () { + this.selectionObj = {nodes: {}, edges: {}}; - // group to the largest node - if (childNode.id != parentNode.id) { - if (parentNode.options.mass > childNode.options.mass) { - this._addToCluster(parentNode,childNode,true); - } - else { - this._addToCluster(childNode,parentNode,true); - } - } - } - } - } + this._loadMixin(SelectionMixin); }; /** - * To keep the nodes of roughly equal size we normalize the cluster levels. - * This function clusters a node to its smallest connected neighbour. + * Mixin the navigationUI (User Interface) system and initialize the parameters required * - * @param node * @private */ - exports._clusterToSmallestNeighbour = function(node) { - var smallestNeighbour = -1; - var smallestNeighbourNode = null; - for (var i = 0; i < node.dynamicEdges.length; i++) { - if (node.dynamicEdges[i] !== undefined) { - var neighbour = null; - if (node.dynamicEdges[i].fromId != node.id) { - neighbour = node.dynamicEdges[i].from; + exports._loadManipulationSystem = function () { + // reset global variables -- these are used by the selection of nodes and edges. + this.blockConnectingEdgeSelection = false; + this.forceAppendSelection = false; + + if (this.constants.dataManipulation.enabled == true) { + // load the manipulator HTML elements. All styling done in css. + if (this.manipulationDiv === undefined) { + this.manipulationDiv = document.createElement('div'); + this.manipulationDiv.className = 'network-manipulationDiv'; + if (this.editMode == true) { + this.manipulationDiv.style.display = "block"; } - else if (node.dynamicEdges[i].toId != node.id) { - neighbour = node.dynamicEdges[i].to; + else { + this.manipulationDiv.style.display = "none"; } + this.frame.appendChild(this.manipulationDiv); + } - - if (neighbour != null && smallestNeighbour > neighbour.clusterSessions.length) { - smallestNeighbour = neighbour.clusterSessions.length; - smallestNeighbourNode = neighbour; + if (this.editModeDiv === undefined) { + this.editModeDiv = document.createElement('div'); + this.editModeDiv.className = 'network-manipulation-editMode'; + if (this.editMode == true) { + this.editModeDiv.style.display = "none"; } + else { + this.editModeDiv.style.display = "block"; + } + this.frame.appendChild(this.editModeDiv); + } + + if (this.closeDiv === undefined) { + this.closeDiv = document.createElement('div'); + this.closeDiv.className = 'network-manipulation-closeDiv'; + this.closeDiv.style.display = this.manipulationDiv.style.display; + this.frame.appendChild(this.closeDiv); } + + // load the manipulation functions + this._loadMixin(ManipulationMixin); + + // create the manipulator toolbar + this._createManipulatorBar(); } + else { + if (this.manipulationDiv !== undefined) { + // removes all the bindings and overloads + this._createManipulatorBar(); - if (neighbour != null && this.nodes[neighbour.id] !== undefined) { - this._addToCluster(neighbour, node, true); + // remove the manipulation divs + this.frame.removeChild(this.manipulationDiv); + this.frame.removeChild(this.editModeDiv); + this.frame.removeChild(this.closeDiv); + + this.manipulationDiv = undefined; + this.editModeDiv = undefined; + this.closeDiv = undefined; + // remove the mixin functions + this._clearMixin(ManipulationMixin); + } } }; /** - * This function forms clusters from hubs, it loops over all nodes + * Mixin the navigation (User Interface) system and initialize the parameters required * - * @param {Boolean} force | Disregard zoom level - * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges * @private */ - exports._formClustersByHub = function(force, onlyEqual) { - // we loop over all nodes in the list - for (var nodeId in this.nodes) { - // we check if it is still available since it can be used by the clustering in this loop - if (this.nodes.hasOwnProperty(nodeId)) { - this._formClusterFromHub(this.nodes[nodeId],force,onlyEqual); - } + exports._loadNavigationControls = function () { + this._loadMixin(NavigationMixin); + // the clean function removes the button divs, this is done to remove the bindings. + this._cleanNavigation(); + if (this.constants.navigation.enabled == true) { + this._loadNavigationElements(); } }; + /** - * This function forms a cluster from a specific preselected hub node + * Mixin the hierarchical layout system. * - * @param {Node} hubNode | the node we will cluster as a hub - * @param {Boolean} force | Disregard zoom level - * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges - * @param {Number} [absorptionSizeOffset] | * @private */ - exports._formClusterFromHub = function(hubNode, force, onlyEqual, absorptionSizeOffset) { - if (absorptionSizeOffset === undefined) { - absorptionSizeOffset = 0; - } - // we decide if the node is a hub - if ((hubNode.dynamicEdgesLength >= this.hubThreshold && onlyEqual == false) || - (hubNode.dynamicEdgesLength == this.hubThreshold && onlyEqual == true)) { - // initialize variables - var dx,dy,length; - var minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; - var allowCluster = false; + exports._loadHierarchySystem = function () { + this._loadMixin(HierarchicalLayoutMixin); + }; - // we create a list of edges because the dynamicEdges change over the course of this loop - var edgesIdarray = []; - var amountOfInitialEdges = hubNode.dynamicEdges.length; - for (var j = 0; j < amountOfInitialEdges; j++) { - edgesIdarray.push(hubNode.dynamicEdges[j].id); - } - // if the hub clustering is not forces, we check if one of the edges connected - // to a cluster is small enough based on the constants.clustering.clusterEdgeThreshold - if (force == false) { - allowCluster = false; - for (j = 0; j < amountOfInitialEdges; j++) { - var edge = this.edges[edgesIdarray[j]]; - if (edge !== undefined) { - if (edge.connected) { - if (edge.toId != edge.fromId) { - dx = (edge.to.x - edge.from.x); - dy = (edge.to.y - edge.from.y); - length = Math.sqrt(dx * dx + dy * dy); +/***/ }, +/* 60 */ +/***/ function(module, exports, __webpack_require__) { - if (length < minLength) { - allowCluster = true; - break; - } - } - } - } - } - } + var util = __webpack_require__(1); + var RepulsionMixin = __webpack_require__(61); + var HierarchialRepulsionMixin = __webpack_require__(62); + var BarnesHutMixin = __webpack_require__(63); - // start the clustering if allowed - if ((!force && allowCluster) || force) { - // we loop over all edges INITIALLY connected to this hub - for (j = 0; j < amountOfInitialEdges; j++) { - edge = this.edges[edgesIdarray[j]]; - // the edge can be clustered by this function in a previous loop - if (edge !== undefined) { - var childNode = this.nodes[(edge.fromId == hubNode.id) ? edge.toId : edge.fromId]; - // we do not want hubs to merge with other hubs nor do we want to cluster itself. - if ((childNode.dynamicEdges.length <= (this.hubThreshold + absorptionSizeOffset)) && - (childNode.id != hubNode.id)) { - this._addToCluster(hubNode,childNode,force); - } - } - } - } - } + /** + * Toggling barnes Hut calculation on and off. + * + * @private + */ + exports._toggleBarnesHut = function () { + this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled; + this._loadSelectedForceSolver(); + this.moving = true; + this.start(); }; - /** - * This function adds the child node to the parent node, creating a cluster if it is not already. + * This loads the node force solver based on the barnes hut or repulsion algorithm * - * @param {Node} parentNode | this is the node that will house the child node - * @param {Node} childNode | this node will be deleted from the global this.nodes and stored in the parent node - * @param {Boolean} force | true will only update the remainingEdges at the very end of the clustering, ensuring single level collapse * @private */ - exports._addToCluster = function(parentNode, childNode, force) { - // join child node in the parent node - parentNode.containedNodes[childNode.id] = childNode; - - // manage all the edges connected to the child and parent nodes - for (var i = 0; i < childNode.dynamicEdges.length; i++) { - var edge = childNode.dynamicEdges[i]; - if (edge.toId == parentNode.id || edge.fromId == parentNode.id) { // edge connected to parentNode - this._addToContainedEdges(parentNode,childNode,edge); - } - else { - this._connectEdgeToCluster(parentNode,childNode,edge); - } - } - // a contained node has no dynamic edges. - childNode.dynamicEdges = []; - - // remove circular edges from clusters - this._containCircularEdgesFromNode(parentNode,childNode); - - - // remove the childNode from the global nodes object - delete this.nodes[childNode.id]; + exports._loadSelectedForceSolver = function () { + // this overloads the this._calculateNodeForces + if (this.constants.physics.barnesHut.enabled == true) { + this._clearMixin(RepulsionMixin); + this._clearMixin(HierarchialRepulsionMixin); - // update the properties of the child and parent - var massBefore = parentNode.options.mass; - childNode.clusterSession = this.clusterSession; - parentNode.options.mass += childNode.options.mass; - parentNode.clusterSize += childNode.clusterSize; - parentNode.options.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*parentNode.clusterSize); + this.constants.physics.centralGravity = this.constants.physics.barnesHut.centralGravity; + this.constants.physics.springLength = this.constants.physics.barnesHut.springLength; + this.constants.physics.springConstant = this.constants.physics.barnesHut.springConstant; + this.constants.physics.damping = this.constants.physics.barnesHut.damping; - // keep track of the clustersessions so we can open the cluster up as it has been formed. - if (parentNode.clusterSessions[parentNode.clusterSessions.length - 1] != this.clusterSession) { - parentNode.clusterSessions.push(this.clusterSession); + this._loadMixin(BarnesHutMixin); } + else if (this.constants.physics.hierarchicalRepulsion.enabled == true) { + this._clearMixin(BarnesHutMixin); + this._clearMixin(RepulsionMixin); - // forced clusters only open from screen size and double tap - if (force == true) { - // parentNode.formationScale = Math.pow(1 - (1.0/11.0),this.clusterSession+3); - parentNode.formationScale = 0; + this.constants.physics.centralGravity = this.constants.physics.hierarchicalRepulsion.centralGravity; + this.constants.physics.springLength = this.constants.physics.hierarchicalRepulsion.springLength; + this.constants.physics.springConstant = this.constants.physics.hierarchicalRepulsion.springConstant; + this.constants.physics.damping = this.constants.physics.hierarchicalRepulsion.damping; + + this._loadMixin(HierarchialRepulsionMixin); } else { - parentNode.formationScale = this.scale; // The latest child has been added on this scale - } - - // recalculate the size of the node on the next time the node is rendered - parentNode.clearSizeCache(); - - // set the pop-out scale for the childnode - parentNode.containedNodes[childNode.id].formationScale = parentNode.formationScale; - - // nullify the movement velocity of the child, this is to avoid hectic behaviour - childNode.clearVelocity(); + this._clearMixin(BarnesHutMixin); + this._clearMixin(HierarchialRepulsionMixin); + this.barnesHutTree = undefined; - // the mass has altered, preservation of energy dictates the velocity to be updated - parentNode.updateVelocity(massBefore); + this.constants.physics.centralGravity = this.constants.physics.repulsion.centralGravity; + this.constants.physics.springLength = this.constants.physics.repulsion.springLength; + this.constants.physics.springConstant = this.constants.physics.repulsion.springConstant; + this.constants.physics.damping = this.constants.physics.repulsion.damping; - // restart the simulation to reorganise all nodes - this.moving = true; + this._loadMixin(RepulsionMixin); + } }; - /** - * This function will apply the changes made to the remainingEdges during the formation of the clusters. - * This is a seperate function to allow for level-wise collapsing of the node barnesHutTree. - * It has to be called if a level is collapsed. It is called by _formClusters(). + * Before calculating the forces, we check if we need to cluster to keep up performance and we check + * if there is more than one node. If it is just one node, we dont calculate anything. + * * @private */ - exports._updateDynamicEdges = function() { - for (var i = 0; i < this.nodeIndices.length; i++) { - var node = this.nodes[this.nodeIndices[i]]; - node.dynamicEdgesLength = node.dynamicEdges.length; - - // this corrects for multiple edges pointing at the same other node - var correction = 0; - if (node.dynamicEdgesLength > 1) { - for (var j = 0; j < node.dynamicEdgesLength - 1; j++) { - var edgeToId = node.dynamicEdges[j].toId; - var edgeFromId = node.dynamicEdges[j].fromId; - for (var k = j+1; k < node.dynamicEdgesLength; k++) { - if ((node.dynamicEdges[k].toId == edgeToId && node.dynamicEdges[k].fromId == edgeFromId) || - (node.dynamicEdges[k].fromId == edgeToId && node.dynamicEdges[k].toId == edgeFromId)) { - correction += 1; - } - } - } + exports._initializeForceCalculation = function () { + // stop calculation if there is only one node + if (this.nodeIndices.length == 1) { + this.nodes[this.nodeIndices[0]]._setForce(0, 0); + } + else { + // if there are too many nodes on screen, we cluster without repositioning + if (this.nodeIndices.length > this.constants.clustering.clusterThreshold && this.constants.clustering.enabled == true) { + this.clusterToFit(this.constants.clustering.reduceToNodes, false); } - node.dynamicEdgesLength -= correction; + + // we now start the force calculation + this._calculateForces(); } }; /** - * This adds an edge from the childNode to the contained edges of the parent node - * - * @param parentNode | Node object - * @param childNode | Node object - * @param edge | Edge object + * Calculate the external forces acting on the nodes + * Forces are caused by: edges, repulsing forces between nodes, gravity * @private */ - exports._addToContainedEdges = function(parentNode, childNode, edge) { - // create an array object if it does not yet exist for this childNode - if (!(parentNode.containedEdges.hasOwnProperty(childNode.id))) { - parentNode.containedEdges[childNode.id] = [] - } - // add this edge to the list - parentNode.containedEdges[childNode.id].push(edge); + exports._calculateForces = function () { + // Gravity is required to keep separated groups from floating off + // the forces are reset to zero in this loop by using _setForce instead + // of _addForce - // remove the edge from the global edges object - delete this.edges[edge.id]; + this._calculateGravitationalForces(); + this._calculateNodeForces(); - // remove the edge from the parent object - for (var i = 0; i < parentNode.dynamicEdges.length; i++) { - if (parentNode.dynamicEdges[i].id == edge.id) { - parentNode.dynamicEdges.splice(i,1); - break; + if (this.constants.physics.springConstant > 0) { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this._calculateSpringForcesWithSupport(); + } + else { + if (this.constants.physics.hierarchicalRepulsion.enabled == true) { + this._calculateHierarchicalSpringForces(); + } + else { + this._calculateSpringForces(); + } } } }; + /** - * This function connects an edge that was connected to a child node to the parent node. - * It keeps track of which nodes it has been connected to with the originalId array. + * Smooth curves are created by adding invisible nodes in the center of the edges. These nodes are also + * handled in the calculateForces function. We then use a quadratic curve with the center node as control. + * This function joins the datanodes and invisible (called support) nodes into one object. + * We do this so we do not contaminate this.nodes with the support nodes. * - * @param {Node} parentNode | Node object - * @param {Node} childNode | Node object - * @param {Edge} edge | Edge object * @private */ - exports._connectEdgeToCluster = function(parentNode, childNode, edge) { - // handle circular edges - if (edge.toId == edge.fromId) { - this._addToContainedEdges(parentNode, childNode, edge); - } - else { - if (edge.toId == childNode.id) { // edge connected to other node on the "to" side - edge.originalToId.push(childNode.id); - edge.to = parentNode; - edge.toId = parentNode.id; - } - else { // edge connected to other node with the "from" side + exports._updateCalculationNodes = function () { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this.calculationNodes = {}; + this.calculationNodeIndices = []; - edge.originalFromId.push(childNode.id); - edge.from = parentNode; - edge.fromId = parentNode.id; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.calculationNodes[nodeId] = this.nodes[nodeId]; + } + } + var supportNodes = this.sectors['support']['nodes']; + for (var supportNodeId in supportNodes) { + if (supportNodes.hasOwnProperty(supportNodeId)) { + if (this.edges.hasOwnProperty(supportNodes[supportNodeId].parentEdgeId)) { + this.calculationNodes[supportNodeId] = supportNodes[supportNodeId]; + } + else { + supportNodes[supportNodeId]._setForce(0, 0); + } + } } - this._addToReroutedEdges(parentNode,childNode,edge); + for (var idx in this.calculationNodes) { + if (this.calculationNodes.hasOwnProperty(idx)) { + this.calculationNodeIndices.push(idx); + } + } + } + else { + this.calculationNodes = this.nodes; + this.calculationNodeIndices = this.nodeIndices; } }; /** - * If a node is connected to itself, a circular edge is drawn. When clustering we want to contain - * these edges inside of the cluster. + * this function applies the central gravity effect to keep groups from floating off * - * @param parentNode - * @param childNode * @private */ - exports._containCircularEdgesFromNode = function(parentNode, childNode) { - // manage all the edges connected to the child and parent nodes - for (var i = 0; i < parentNode.dynamicEdges.length; i++) { - var edge = parentNode.dynamicEdges[i]; - // handle circular edges - if (edge.toId == edge.fromId) { - this._addToContainedEdges(parentNode, childNode, edge); + exports._calculateGravitationalForces = function () { + var dx, dy, distance, node, i; + var nodes = this.calculationNodes; + var gravity = this.constants.physics.centralGravity; + var gravityForce = 0; + + for (i = 0; i < this.calculationNodeIndices.length; i++) { + node = nodes[this.calculationNodeIndices[i]]; + node.damping = this.constants.physics.damping; // possibly add function to alter damping properties of clusters. + // gravity does not apply when we are in a pocket sector + if (this._sector() == "default" && gravity != 0) { + dx = -node.x; + dy = -node.y; + distance = Math.sqrt(dx * dx + dy * dy); + + gravityForce = (distance == 0) ? 0 : (gravity / distance); + node.fx = dx * gravityForce; + node.fy = dy * gravityForce; + } + else { + node.fx = 0; + node.fy = 0; } } }; + + /** - * This adds an edge from the childNode to the rerouted edges of the parent node + * this function calculates the effects of the springs in the case of unsmooth curves. * - * @param parentNode | Node object - * @param childNode | Node object - * @param edge | Edge object * @private */ - exports._addToReroutedEdges = function(parentNode, childNode, edge) { - // create an array object if it does not yet exist for this childNode - // we store the edge in the rerouted edges so we can restore it when the cluster pops open - if (!(parentNode.reroutedEdges.hasOwnProperty(childNode.id))) { - parentNode.reroutedEdges[childNode.id] = []; - } - parentNode.reroutedEdges[childNode.id].push(edge); + exports._calculateSpringForces = function () { + var edgeLength, edge, edgeId; + var dx, dy, fx, fy, springForce, distance; + var edges = this.edges; - // this edge becomes part of the dynamicEdges of the cluster node - parentNode.dynamicEdges.push(edge); - }; + // forces caused by the edges, modelled as springs + for (edgeId in edges) { + if (edges.hasOwnProperty(edgeId)) { + edge = edges[edgeId]; + if (edge.connected) { + // only calculate forces if nodes are in the same sector + if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { + edgeLength = edge.physics.springLength; + // this implies that the edges between big clusters are longer + edgeLength += (edge.to.clusterSize + edge.from.clusterSize - 2) * this.constants.clustering.edgeGrowth; + dx = (edge.from.x - edge.to.x); + dy = (edge.from.y - edge.to.y); + distance = Math.sqrt(dx * dx + dy * dy); + if (distance == 0) { + distance = 0.01; + } - /** - * This function connects an edge that was connected to a cluster node back to the child node. - * - * @param parentNode | Node object - * @param childNode | Node object - * @private - */ - exports._connectEdgeBackToChild = function(parentNode, childNode) { - if (parentNode.reroutedEdges.hasOwnProperty(childNode.id)) { - for (var i = 0; i < parentNode.reroutedEdges[childNode.id].length; i++) { - var edge = parentNode.reroutedEdges[childNode.id][i]; - if (edge.originalFromId[edge.originalFromId.length-1] == childNode.id) { - edge.originalFromId.pop(); - edge.fromId = childNode.id; - edge.from = childNode; - } - else { - edge.originalToId.pop(); - edge.toId = childNode.id; - edge.to = childNode; - } + // the 1/distance is so the fx and fy can be calculated without sine or cosine. + springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; - // append this edge to the list of edges connecting to the childnode - childNode.dynamicEdges.push(edge); + fx = dx * springForce; + fy = dy * springForce; - // remove the edge from the parent object - for (var j = 0; j < parentNode.dynamicEdges.length; j++) { - if (parentNode.dynamicEdges[j].id == edge.id) { - parentNode.dynamicEdges.splice(j,1); - break; + edge.from.fx += fx; + edge.from.fy += fy; + edge.to.fx -= fx; + edge.to.fy -= fy; } } } - // remove the entry from the rerouted edges - delete parentNode.reroutedEdges[childNode.id]; } }; + + /** - * When loops are clustered, an edge can be both in the rerouted array and the contained array. - * This function is called last to verify that all edges in dynamicEdges are in fact connected to the - * parentNode + * This function calculates the springforces on the nodes, accounting for the support nodes. * - * @param parentNode | Node object * @private */ - exports._validateEdges = function(parentNode) { - for (var i = 0; i < parentNode.dynamicEdges.length; i++) { - var edge = parentNode.dynamicEdges[i]; - if (parentNode.id != edge.toId && parentNode.id != edge.fromId) { - parentNode.dynamicEdges.splice(i,1); + exports._calculateSpringForcesWithSupport = function () { + var edgeLength, edge, edgeId, combinedClusterSize; + var edges = this.edges; + + // forces caused by the edges, modelled as springs + for (edgeId in edges) { + if (edges.hasOwnProperty(edgeId)) { + edge = edges[edgeId]; + if (edge.connected) { + // only calculate forces if nodes are in the same sector + if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { + if (edge.via != null) { + var node1 = edge.to; + var node2 = edge.via; + var node3 = edge.from; + + edgeLength = edge.physics.springLength; + + combinedClusterSize = node1.clusterSize + node3.clusterSize - 2; + + // this implies that the edges between big clusters are longer + edgeLength += combinedClusterSize * this.constants.clustering.edgeGrowth; + this._calculateSpringForce(node1, node2, 0.5 * edgeLength); + this._calculateSpringForce(node2, node3, 0.5 * edgeLength); + } + } + } } } }; /** - * This function released the contained edges back into the global domain and puts them back into the - * dynamic edges of both parent and child. + * This is the code actually performing the calculation for the function above. It is split out to avoid repetition. * - * @param {Node} parentNode | - * @param {Node} childNode | + * @param node1 + * @param node2 + * @param edgeLength * @private */ - exports._releaseContainedEdges = function(parentNode, childNode) { - for (var i = 0; i < parentNode.containedEdges[childNode.id].length; i++) { - var edge = parentNode.containedEdges[childNode.id][i]; + exports._calculateSpringForce = function (node1, node2, edgeLength) { + var dx, dy, fx, fy, springForce, distance; - // put the edge back in the global edges object - this.edges[edge.id] = edge; + dx = (node1.x - node2.x); + dy = (node1.y - node2.y); + distance = Math.sqrt(dx * dx + dy * dy); - // put the edge back in the dynamic edges of the child and parent - childNode.dynamicEdges.push(edge); - parentNode.dynamicEdges.push(edge); + if (distance == 0) { + distance = 0.01; } - // remove the entry from the contained edges - delete parentNode.containedEdges[childNode.id]; - }; + // the 1/distance is so the fx and fy can be calculated without sine or cosine. + springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; + fx = dx * springForce; + fy = dy * springForce; + node1.fx += fx; + node1.fy += fy; + node2.fx -= fx; + node2.fy -= fy; + }; - // ------------------- UTILITY FUNCTIONS ---------------------------- // + exports._cleanupPhysicsConfiguration = function() { + if (this.physicsConfiguration !== undefined) { + while (this.physicsConfiguration.hasChildNodes()) { + this.physicsConfiguration.removeChild(this.physicsConfiguration.firstChild); + } + this.physicsConfiguration.parentNode.removeChild(this.physicsConfiguration); + this.physicsConfiguration = undefined; + } + } /** - * This updates the node labels for all nodes (for debugging purposes) + * Load the HTML for the physics config and bind it + * @private */ - exports.updateLabels = function() { - var nodeId; - // update node labels - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - var node = this.nodes[nodeId]; - if (node.clusterSize > 1) { - node.label = "[".concat(String(node.clusterSize),"]"); - } - } - } - - // update node labels - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.clusterSize == 1) { - if (node.originalLabel !== undefined) { - node.label = node.originalLabel; - } - else { - node.label = String(node.id); - } - } - } - } + exports._loadPhysicsConfiguration = function () { + if (this.physicsConfiguration === undefined) { + this.backupConstants = {}; + util.deepExtend(this.backupConstants,this.constants); - // /* Debug Override */ - // for (nodeId in this.nodes) { - // if (this.nodes.hasOwnProperty(nodeId)) { - // node = this.nodes[nodeId]; - // node.label = String(node.level); - // } - // } + var hierarchicalLayoutDirections = ["LR", "RL", "UD", "DU"]; + this.physicsConfiguration = document.createElement('div'); + this.physicsConfiguration.className = "PhysicsConfiguration"; + this.physicsConfiguration.innerHTML = '' + + '' + + '' + + '' + + '' + + '' + + '' + + '
Simulation Mode:
Barnes HutRepulsionHierarchical
' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '
Options:
' + this.containerElement.parentElement.insertBefore(this.physicsConfiguration, this.containerElement); + this.optionsDiv = document.createElement("div"); + this.optionsDiv.style.fontSize = "14px"; + this.optionsDiv.style.fontFamily = "verdana"; + this.containerElement.parentElement.insertBefore(this.optionsDiv, this.containerElement); - }; + var rangeElement; + rangeElement = document.getElementById('graph_BH_gc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_gc', -1, "physics_barnesHut_gravitationalConstant"); + rangeElement = document.getElementById('graph_BH_cg'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_cg', 1, "physics_centralGravity"); + rangeElement = document.getElementById('graph_BH_sc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sc', 1, "physics_springConstant"); + rangeElement = document.getElementById('graph_BH_sl'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sl', 1, "physics_springLength"); + rangeElement = document.getElementById('graph_BH_damp'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_damp', 1, "physics_damping"); + rangeElement = document.getElementById('graph_R_nd'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_nd', 1, "physics_repulsion_nodeDistance"); + rangeElement = document.getElementById('graph_R_cg'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_cg', 1, "physics_centralGravity"); + rangeElement = document.getElementById('graph_R_sc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sc', 1, "physics_springConstant"); + rangeElement = document.getElementById('graph_R_sl'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sl', 1, "physics_springLength"); + rangeElement = document.getElementById('graph_R_damp'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_damp', 1, "physics_damping"); - /** - * We want to keep the cluster level distribution rather small. This means we do not want unclustered nodes - * if the rest of the nodes are already a few cluster levels in. - * To fix this we use this function. It determines the min and max cluster level and sends nodes that have not - * clustered enough to the clusterToSmallestNeighbours function. - */ - exports.normalizeClusterLevels = function() { - var maxLevel = 0; - var minLevel = 1e9; - var clusterLevel = 0; - var nodeId; + rangeElement = document.getElementById('graph_H_nd'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); + rangeElement = document.getElementById('graph_H_cg'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_cg', 1, "physics_centralGravity"); + rangeElement = document.getElementById('graph_H_sc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sc', 1, "physics_springConstant"); + rangeElement = document.getElementById('graph_H_sl'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sl', 1, "physics_springLength"); + rangeElement = document.getElementById('graph_H_damp'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_damp', 1, "physics_damping"); + rangeElement = document.getElementById('graph_H_direction'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_direction', hierarchicalLayoutDirections, "hierarchicalLayout_direction"); + rangeElement = document.getElementById('graph_H_levsep'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_levsep', 1, "hierarchicalLayout_levelSeparation"); + rangeElement = document.getElementById('graph_H_nspac'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nspac', 1, "hierarchicalLayout_nodeSpacing"); - // we loop over all nodes in the list - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - clusterLevel = this.nodes[nodeId].clusterSessions.length; - if (maxLevel < clusterLevel) {maxLevel = clusterLevel;} - if (minLevel > clusterLevel) {minLevel = clusterLevel;} + var radioButton1 = document.getElementById("graph_physicsMethod1"); + var radioButton2 = document.getElementById("graph_physicsMethod2"); + var radioButton3 = document.getElementById("graph_physicsMethod3"); + radioButton2.checked = true; + if (this.constants.physics.barnesHut.enabled) { + radioButton1.checked = true; + } + if (this.constants.hierarchicalLayout.enabled) { + radioButton3.checked = true; } - } - if (maxLevel - minLevel > this.constants.clustering.clusterLevelDifference) { - var amountOfNodes = this.nodeIndices.length; - var targetLevel = maxLevel - this.constants.clustering.clusterLevelDifference; - // we loop over all nodes in the list - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - if (this.nodes[nodeId].clusterSessions.length < targetLevel) { - this._clusterToSmallestNeighbour(this.nodes[nodeId]); - } - } + var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); + var graph_repositionNodes = document.getElementById("graph_repositionNodes"); + var graph_generateOptions = document.getElementById("graph_generateOptions"); + + graph_toggleSmooth.onclick = graphToggleSmoothCurves.bind(this); + graph_repositionNodes.onclick = graphRepositionNodes.bind(this); + graph_generateOptions.onclick = graphGenerateOptions.bind(this); + if (this.constants.smoothCurves == true && this.constants.dynamicSmoothCurves == false) { + graph_toggleSmooth.style.background = "#A4FF56"; } - this._updateNodeIndexList(); - this._updateDynamicEdges(); - // if a cluster was formed, we increase the clusterSession - if (this.nodeIndices.length != amountOfNodes) { - this.clusterSession += 1; + else { + graph_toggleSmooth.style.background = "#FF8532"; } - } - }; + switchConfigurations.apply(this); + + radioButton1.onchange = switchConfigurations.bind(this); + radioButton2.onchange = switchConfigurations.bind(this); + radioButton3.onchange = switchConfigurations.bind(this); + } + }; /** - * This function determines if the cluster we want to decluster is in the active area - * this means around the zoom center + * This overwrites the this.constants. * - * @param {Node} node - * @returns {boolean} + * @param constantsVariableName + * @param value * @private */ - exports._nodeInActiveArea = function(node) { - return ( - Math.abs(node.x - this.areaCenter.x) <= this.constants.clustering.activeAreaBoxSize/this.scale - && - Math.abs(node.y - this.areaCenter.y) <= this.constants.clustering.activeAreaBoxSize/this.scale - ) + exports._overWriteGraphConstants = function (constantsVariableName, value) { + var nameArray = constantsVariableName.split("_"); + if (nameArray.length == 1) { + this.constants[nameArray[0]] = value; + } + else if (nameArray.length == 2) { + this.constants[nameArray[0]][nameArray[1]] = value; + } + else if (nameArray.length == 3) { + this.constants[nameArray[0]][nameArray[1]][nameArray[2]] = value; + } }; /** - * This is an adaptation of the original repositioning function. This is called if the system is clustered initially - * It puts large clusters away from the center and randomizes the order. - * + * this function is bound to the toggle smooth curves button. That is also why it is not in the prototype. */ - exports.repositionNodes = function() { - for (var i = 0; i < this.nodeIndices.length; i++) { - var node = this.nodes[this.nodeIndices[i]]; - if ((node.xFixed == false || node.yFixed == false)) { - var radius = 10 * 0.1*this.nodeIndices.length * Math.min(100,node.options.mass); - var angle = 2 * Math.PI * Math.random(); - if (node.xFixed == false) {node.x = radius * Math.cos(angle);} - if (node.yFixed == false) {node.y = radius * Math.sin(angle);} - this._repositionBezierNodes(node); - } - } - }; + function graphToggleSmoothCurves () { + this.constants.smoothCurves.enabled = !this.constants.smoothCurves.enabled; + var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); + if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";} + else {graph_toggleSmooth.style.background = "#FF8532";} + this._configureSmoothCurves(false); + } /** - * We determine how many connections denote an important hub. - * We take the mean + 2*std as the important hub size. (Assuming a normal distribution of data, ~2.2%) + * this function is used to scramble the nodes * - * @private */ - exports._getHubSize = function() { - var average = 0; - var averageSquared = 0; - var hubCounter = 0; - var largestHub = 0; - - for (var i = 0; i < this.nodeIndices.length; i++) { - - var node = this.nodes[this.nodeIndices[i]]; - if (node.dynamicEdgesLength > largestHub) { - largestHub = node.dynamicEdgesLength; + function graphRepositionNodes () { + for (var nodeId in this.calculationNodes) { + if (this.calculationNodes.hasOwnProperty(nodeId)) { + this.calculationNodes[nodeId].vx = 0; this.calculationNodes[nodeId].vy = 0; + this.calculationNodes[nodeId].fx = 0; this.calculationNodes[nodeId].fy = 0; } - average += node.dynamicEdgesLength; - averageSquared += Math.pow(node.dynamicEdgesLength,2); - hubCounter += 1; } - average = average / hubCounter; - averageSquared = averageSquared / hubCounter; - - var variance = averageSquared - Math.pow(average,2); - - var standardDeviation = Math.sqrt(variance); - - this.hubThreshold = Math.floor(average + 2*standardDeviation); - - // always have at least one to cluster - if (this.hubThreshold > largestHub) { - this.hubThreshold = largestHub; + if (this.constants.hierarchicalLayout.enabled == true) { + this._setupHierarchicalLayout(); + showValueOfRange.call(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); + showValueOfRange.call(this, 'graph_H_cg', 1, "physics_centralGravity"); + showValueOfRange.call(this, 'graph_H_sc', 1, "physics_springConstant"); + showValueOfRange.call(this, 'graph_H_sl', 1, "physics_springLength"); + showValueOfRange.call(this, 'graph_H_damp', 1, "physics_damping"); } - - // console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); - // console.log("hubThreshold:",this.hubThreshold); - }; - + else { + this.repositionNodes(); + } + this.moving = true; + this.start(); + } /** - * We reduce the amount of "extension nodes" or chains. These are not quickly clustered with the outliers and hubs methods - * with this amount we can cluster specifically on these chains. - * - * @param {Number} fraction | between 0 and 1, the percentage of chains to reduce - * @private + * this is used to generate an options file from the playing with physics system. */ - exports._reduceAmountOfChains = function(fraction) { - this.hubThreshold = 2; - var reduceAmount = Math.floor(this.nodeIndices.length * fraction); - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - if (this.nodes[nodeId].dynamicEdgesLength == 2 && this.nodes[nodeId].dynamicEdges.length >= 2) { - if (reduceAmount > 0) { - this._formClusterFromHub(this.nodes[nodeId],true,true,1); - reduceAmount -= 1; + function graphGenerateOptions () { + var options = "No options are required, default values used."; + var optionsSpecific = []; + var radioButton1 = document.getElementById("graph_physicsMethod1"); + var radioButton2 = document.getElementById("graph_physicsMethod2"); + if (radioButton1.checked == true) { + if (this.constants.physics.barnesHut.gravitationalConstant != this.backupConstants.physics.barnesHut.gravitationalConstant) {optionsSpecific.push("gravitationalConstant: " + this.constants.physics.barnesHut.gravitationalConstant);} + if (this.constants.physics.centralGravity != this.backupConstants.physics.barnesHut.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} + if (this.constants.physics.springLength != this.backupConstants.physics.barnesHut.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} + if (this.constants.physics.springConstant != this.backupConstants.physics.barnesHut.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} + if (this.constants.physics.damping != this.backupConstants.physics.barnesHut.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} + if (optionsSpecific.length != 0) { + options = "var options = {"; + options += "physics: {barnesHut: {"; + for (var i = 0; i < optionsSpecific.length; i++) { + options += optionsSpecific[i]; + if (i < optionsSpecific.length - 1) { + options += ", " } } + options += '}}' + } + if (this.constants.smoothCurves.enabled != this.backupConstants.smoothCurves.enabled) { + if (optionsSpecific.length == 0) {options = "var options = {";} + else {options += ", "} + options += "smoothCurves: " + this.constants.smoothCurves.enabled; + } + if (options != "No options are required, default values used.") { + options += '};' } } - }; - - /** - * We get the amount of "extension nodes" or chains. These are not quickly clustered with the outliers and hubs methods - * with this amount we can cluster specifically on these chains. - * - * @private - */ - exports._getChainFraction = function() { - var chains = 0; - var total = 0; - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - if (this.nodes[nodeId].dynamicEdgesLength == 2 && this.nodes[nodeId].dynamicEdges.length >= 2) { - chains += 1; + else if (radioButton2.checked == true) { + options = "var options = {"; + options += "physics: {barnesHut: {enabled: false}"; + if (this.constants.physics.repulsion.nodeDistance != this.backupConstants.physics.repulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.repulsion.nodeDistance);} + if (this.constants.physics.centralGravity != this.backupConstants.physics.repulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} + if (this.constants.physics.springLength != this.backupConstants.physics.repulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} + if (this.constants.physics.springConstant != this.backupConstants.physics.repulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} + if (this.constants.physics.damping != this.backupConstants.physics.repulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} + if (optionsSpecific.length != 0) { + options += ", repulsion: {"; + for (var i = 0; i < optionsSpecific.length; i++) { + options += optionsSpecific[i]; + if (i < optionsSpecific.length - 1) { + options += ", " + } } - total += 1; + options += '}}' + } + if (optionsSpecific.length == 0) {options += "}"} + if (this.constants.smoothCurves != this.backupConstants.smoothCurves) { + options += ", smoothCurves: " + this.constants.smoothCurves; } + options += '};' + } + else { + options = "var options = {"; + if (this.constants.physics.hierarchicalRepulsion.nodeDistance != this.backupConstants.physics.hierarchicalRepulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.hierarchicalRepulsion.nodeDistance);} + if (this.constants.physics.centralGravity != this.backupConstants.physics.hierarchicalRepulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} + if (this.constants.physics.springLength != this.backupConstants.physics.hierarchicalRepulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} + if (this.constants.physics.springConstant != this.backupConstants.physics.hierarchicalRepulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} + if (this.constants.physics.damping != this.backupConstants.physics.hierarchicalRepulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} + if (optionsSpecific.length != 0) { + options += "physics: {hierarchicalRepulsion: {"; + for (var i = 0; i < optionsSpecific.length; i++) { + options += optionsSpecific[i]; + if (i < optionsSpecific.length - 1) { + options += ", "; + } + } + options += '}},'; + } + options += 'hierarchicalLayout: {'; + optionsSpecific = []; + if (this.constants.hierarchicalLayout.direction != this.backupConstants.hierarchicalLayout.direction) {optionsSpecific.push("direction: " + this.constants.hierarchicalLayout.direction);} + if (Math.abs(this.constants.hierarchicalLayout.levelSeparation) != this.backupConstants.hierarchicalLayout.levelSeparation) {optionsSpecific.push("levelSeparation: " + this.constants.hierarchicalLayout.levelSeparation);} + if (this.constants.hierarchicalLayout.nodeSpacing != this.backupConstants.hierarchicalLayout.nodeSpacing) {optionsSpecific.push("nodeSpacing: " + this.constants.hierarchicalLayout.nodeSpacing);} + if (optionsSpecific.length != 0) { + for (var i = 0; i < optionsSpecific.length; i++) { + options += optionsSpecific[i]; + if (i < optionsSpecific.length - 1) { + options += ", " + } + } + options += '}' + } + else { + options += "enabled:true}"; + } + options += '};' } - return chains/total; - }; - - -/***/ }, -/* 61 */ -/***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var Node = __webpack_require__(40); - /** - * Creation of the SectorMixin var. - * - * This contains all the functions the Network object can use to employ the sector system. - * The sector system is always used by Network, though the benefits only apply to the use of clustering. - * If clustering is not used, there is no overhead except for a duplicate object with references to nodes and edges. - */ + this.optionsDiv.innerHTML = options; + } /** - * This function is only called by the setData function of the Network object. - * This loads the global references into the active sector. This initializes the sector. + * this is used to switch between barnesHut, repulsion and hierarchical. * - * @private */ - exports._putDataInSector = function() { - this.sectors["active"][this._sector()].nodes = this.nodes; - this.sectors["active"][this._sector()].edges = this.edges; - this.sectors["active"][this._sector()].nodeIndices = this.nodeIndices; - }; + function switchConfigurations () { + var ids = ["graph_BH_table", "graph_R_table", "graph_H_table"]; + var radioButton = document.querySelector('input[name="graph_physicsMethod"]:checked').value; + var tableId = "graph_" + radioButton + "_table"; + var table = document.getElementById(tableId); + table.style.display = "block"; + for (var i = 0; i < ids.length; i++) { + if (ids[i] != tableId) { + table = document.getElementById(ids[i]); + table.style.display = "none"; + } + } + this._restoreNodes(); + if (radioButton == "R") { + this.constants.hierarchicalLayout.enabled = false; + this.constants.physics.hierarchicalRepulsion.enabled = false; + this.constants.physics.barnesHut.enabled = false; + } + else if (radioButton == "H") { + if (this.constants.hierarchicalLayout.enabled == false) { + this.constants.hierarchicalLayout.enabled = true; + this.constants.physics.hierarchicalRepulsion.enabled = true; + this.constants.physics.barnesHut.enabled = false; + this.constants.smoothCurves.enabled = false; + this._setupHierarchicalLayout(); + } + } + else { + this.constants.hierarchicalLayout.enabled = false; + this.constants.physics.hierarchicalRepulsion.enabled = false; + this.constants.physics.barnesHut.enabled = true; + } + this._loadSelectedForceSolver(); + var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); + if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";} + else {graph_toggleSmooth.style.background = "#FF8532";} + this.moving = true; + this.start(); + } /** - * /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied (active) sector. If a type is defined, do the specific type + * this generates the ranges depending on the iniital values. * - * @param {String} sectorId - * @param {String} [sectorType] | "active" or "frozen" - * @private + * @param id + * @param map + * @param constantsVariableName */ - exports._switchToSector = function(sectorId, sectorType) { - if (sectorType === undefined || sectorType == "active") { - this._switchToActiveSector(sectorId); + function showValueOfRange (id,map,constantsVariableName) { + var valueId = id + "_value"; + var rangeValue = document.getElementById(id).value; + + if (Array.isArray(map)) { + document.getElementById(valueId).value = map[parseInt(rangeValue)]; + this._overWriteGraphConstants(constantsVariableName,map[parseInt(rangeValue)]); } else { - this._switchToFrozenSector(sectorId); + document.getElementById(valueId).value = parseInt(map) * parseFloat(rangeValue); + this._overWriteGraphConstants(constantsVariableName, parseInt(map) * parseFloat(rangeValue)); } - }; + if (constantsVariableName == "hierarchicalLayout_direction" || + constantsVariableName == "hierarchicalLayout_levelSeparation" || + constantsVariableName == "hierarchicalLayout_nodeSpacing") { + this._setupHierarchicalLayout(); + } + this.moving = true; + this.start(); + } - /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied active sector. - * - * @param sectorId - * @private - */ - exports._switchToActiveSector = function(sectorId) { - this.nodeIndices = this.sectors["active"][sectorId]["nodeIndices"]; - this.nodes = this.sectors["active"][sectorId]["nodes"]; - this.edges = this.sectors["active"][sectorId]["edges"]; - }; - /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied active sector. - * - * @private - */ - exports._switchToSupportSector = function() { - this.nodeIndices = this.sectors["support"]["nodeIndices"]; - this.nodes = this.sectors["support"]["nodes"]; - this.edges = this.sectors["support"]["edges"]; - }; +/***/ }, +/* 61 */ +/***/ function(module, exports, __webpack_require__) { /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied frozen sector. + * Calculate the forces the nodes apply on each other based on a repulsion field. + * This field is linearly approximated. * - * @param sectorId * @private */ - exports._switchToFrozenSector = function(sectorId) { - this.nodeIndices = this.sectors["frozen"][sectorId]["nodeIndices"]; - this.nodes = this.sectors["frozen"][sectorId]["nodes"]; - this.edges = this.sectors["frozen"][sectorId]["edges"]; - }; + exports._calculateNodeForces = function () { + var dx, dy, angle, distance, fx, fy, combinedClusterSize, + repulsingForce, node1, node2, i, j; + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; - /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the currently active sector. - * - * @private - */ - exports._loadLatestSector = function() { - this._switchToSector(this._sector()); + // approximation constants + var a_base = -2 / 3; + var b = 4 / 3; + + // repulsing forces between nodes + var nodeDistance = this.constants.physics.repulsion.nodeDistance; + var minimumDistance = nodeDistance; + + // we loop from i over all but the last entree in the array + // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j + for (i = 0; i < nodeIndices.length - 1; i++) { + node1 = nodes[nodeIndices[i]]; + for (j = i + 1; j < nodeIndices.length; j++) { + node2 = nodes[nodeIndices[j]]; + combinedClusterSize = node1.clusterSize + node2.clusterSize - 2; + + dx = node2.x - node1.x; + dy = node2.y - node1.y; + distance = Math.sqrt(dx * dx + dy * dy); + + // same condition as BarnesHut, making sure nodes are never 100% overlapping. + if (distance == 0) { + distance = 0.1*Math.random(); + dx = distance; + } + + minimumDistance = (combinedClusterSize == 0) ? nodeDistance : (nodeDistance * (1 + combinedClusterSize * this.constants.clustering.distanceAmplification)); + var a = a_base / minimumDistance; + if (distance < 2 * minimumDistance) { + if (distance < 0.5 * minimumDistance) { + repulsingForce = 1.0; + } + else { + repulsingForce = a * distance + b; // linear approx of 1 / (1 + Math.exp((distance / minimumDistance - 1) * steepness)) + } + + // amplify the repulsion for clusters. + repulsingForce *= (combinedClusterSize == 0) ? 1 : 1 + combinedClusterSize * this.constants.clustering.forceAmplification; + repulsingForce = repulsingForce / Math.max(distance,0.01*minimumDistance); + + fx = dx * repulsingForce; + fy = dy * repulsingForce; + node1.fx -= fx; + node1.fy -= fy; + node2.fx += fx; + node2.fy += fy; + + } + } + } }; +/***/ }, +/* 62 */ +/***/ function(module, exports, __webpack_require__) { + /** - * This function returns the currently active sector Id + * Calculate the forces the nodes apply on eachother based on a repulsion field. + * This field is linearly approximated. * - * @returns {String} * @private */ - exports._sector = function() { - return this.activeSector[this.activeSector.length-1]; + exports._calculateNodeForces = function () { + var dx, dy, distance, fx, fy, + repulsingForce, node1, node2, i, j; + + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; + + // repulsing forces between nodes + var nodeDistance = this.constants.physics.hierarchicalRepulsion.nodeDistance; + + // we loop from i over all but the last entree in the array + // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j + for (i = 0; i < nodeIndices.length - 1; i++) { + node1 = nodes[nodeIndices[i]]; + for (j = i + 1; j < nodeIndices.length; j++) { + node2 = nodes[nodeIndices[j]]; + + // nodes only affect nodes on their level + if (node1.level == node2.level) { + + dx = node2.x - node1.x; + dy = node2.y - node1.y; + distance = Math.sqrt(dx * dx + dy * dy); + + + var steepness = 0.05; + if (distance < nodeDistance) { + repulsingForce = -Math.pow(steepness*distance,2) + Math.pow(steepness*nodeDistance,2); + } + else { + repulsingForce = 0; + } + // normalize force with + if (distance == 0) { + distance = 0.01; + } + else { + repulsingForce = repulsingForce / distance; + } + fx = dx * repulsingForce; + fy = dy * repulsingForce; + + node1.fx -= fx; + node1.fy -= fy; + node2.fx += fx; + node2.fy += fy; + } + } + } }; /** - * This function returns the previously active sector Id + * this function calculates the effects of the springs in the case of unsmooth curves. * - * @returns {String} * @private */ - exports._previousSector = function() { - if (this.activeSector.length > 1) { - return this.activeSector[this.activeSector.length-2]; - } - else { - throw new TypeError('there are not enough sectors in the this.activeSector array.'); - } - }; + exports._calculateHierarchicalSpringForces = function () { + var edgeLength, edge, edgeId; + var dx, dy, fx, fy, springForce, distance; + var edges = this.edges; + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; - /** - * We add the active sector at the end of the this.activeSector array - * This ensures it is the currently active sector returned by _sector() and it reaches the top - * of the activeSector stack. When we reverse our steps we move from the end to the beginning of this stack. - * - * @param newId - * @private - */ - exports._setActiveSector = function(newId) { - this.activeSector.push(newId); - }; + for (var i = 0; i < nodeIndices.length; i++) { + var node1 = nodes[nodeIndices[i]]; + node1.springFx = 0; + node1.springFy = 0; + } - /** - * We remove the currently active sector id from the active sector stack. This happens when - * we reactivate the previously active sector - * - * @private - */ - exports._forgetLastSector = function() { - this.activeSector.pop(); - }; + // forces caused by the edges, modelled as springs + for (edgeId in edges) { + if (edges.hasOwnProperty(edgeId)) { + edge = edges[edgeId]; + if (edge.connected) { + // only calculate forces if nodes are in the same sector + if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { + edgeLength = edge.physics.springLength; + // this implies that the edges between big clusters are longer + edgeLength += (edge.to.clusterSize + edge.from.clusterSize - 2) * this.constants.clustering.edgeGrowth; - /** - * This function creates a new active sector with the supplied newId. This newId - * is the expanding node id. - * - * @param {String} newId | Id of the new active sector - * @private - */ - exports._createNewSector = function(newId) { - // create the new sector - this.sectors["active"][newId] = {"nodes":{}, - "edges":{}, - "nodeIndices":[], - "formationScale": this.scale, - "drawingNode": undefined}; + dx = (edge.from.x - edge.to.x); + dy = (edge.from.y - edge.to.y); + distance = Math.sqrt(dx * dx + dy * dy); - // create the new sector render node. This gives visual feedback that you are in a new sector. - this.sectors["active"][newId]['drawingNode'] = new Node( - {id:newId, - color: { - background: "#eaefef", - border: "495c5e" - } - },{},{},this.constants); - this.sectors["active"][newId]['drawingNode'].clusterSize = 2; - }; + if (distance == 0) { + distance = 0.01; + } + // the 1/distance is so the fx and fy can be calculated without sine or cosine. + springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; - /** - * This function removes the currently active sector. This is called when we create a new - * active sector. - * - * @param {String} sectorId | Id of the active sector that will be removed - * @private - */ - exports._deleteActiveSector = function(sectorId) { - delete this.sectors["active"][sectorId]; - }; + fx = dx * springForce; + fy = dy * springForce; - /** - * This function removes the currently active sector. This is called when we reactivate - * the previously active sector. - * - * @param {String} sectorId | Id of the active sector that will be removed - * @private - */ - exports._deleteFrozenSector = function(sectorId) { - delete this.sectors["frozen"][sectorId]; - }; + if (edge.to.level != edge.from.level) { + edge.to.springFx -= fx; + edge.to.springFy -= fy; + edge.from.springFx += fx; + edge.from.springFy += fy; + } + else { + var factor = 0.5; + edge.to.fx -= factor*fx; + edge.to.fy -= factor*fy; + edge.from.fx += factor*fx; + edge.from.fy += factor*fy; + } + } + } + } + } - /** - * Freezing an active sector means moving it from the "active" object to the "frozen" object. - * We copy the references, then delete the active entree. - * - * @param sectorId - * @private - */ - exports._freezeSector = function(sectorId) { - // we move the set references from the active to the frozen stack. - this.sectors["frozen"][sectorId] = this.sectors["active"][sectorId]; + // normalize spring forces + var springForce = 1; + var springFx, springFy; + for (i = 0; i < nodeIndices.length; i++) { + var node = nodes[nodeIndices[i]]; + springFx = Math.min(springForce,Math.max(-springForce,node.springFx)); + springFy = Math.min(springForce,Math.max(-springForce,node.springFy)); - // we have moved the sector data into the frozen set, we now remove it from the active set - this._deleteActiveSector(sectorId); - }; + node.fx += springFx; + node.fy += springFy; + } + // retain energy balance + var totalFx = 0; + var totalFy = 0; + for (i = 0; i < nodeIndices.length; i++) { + var node = nodes[nodeIndices[i]]; + totalFx += node.fx; + totalFy += node.fy; + } + var correctionFx = totalFx / nodeIndices.length; + var correctionFy = totalFy / nodeIndices.length; - /** - * This is the reverse operation of _freezeSector. Activating means moving the sector from the "frozen" - * object to the "active" object. - * - * @param sectorId - * @private - */ - exports._activateSector = function(sectorId) { - // we move the set references from the frozen to the active stack. - this.sectors["active"][sectorId] = this.sectors["frozen"][sectorId]; + for (i = 0; i < nodeIndices.length; i++) { + var node = nodes[nodeIndices[i]]; + node.fx -= correctionFx; + node.fy -= correctionFy; + } - // we have moved the sector data into the active set, we now remove it from the frozen stack - this._deleteFrozenSector(sectorId); }; +/***/ }, +/* 63 */ +/***/ function(module, exports, __webpack_require__) { /** - * This function merges the data from the currently active sector with a frozen sector. This is used - * in the process of reverting back to the previously active sector. - * The data that is placed in the frozen (the previously active) sector is the node that has been removed from it - * upon the creation of a new active sector. + * This function calculates the forces the nodes apply on eachother based on a gravitational model. + * The Barnes Hut method is used to speed up this N-body simulation. * - * @param sectorId * @private */ - exports._mergeThisWithFrozen = function(sectorId) { - // copy all nodes - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.sectors["frozen"][sectorId]["nodes"][nodeId] = this.nodes[nodeId]; - } - } + exports._calculateNodeForces = function() { + if (this.constants.physics.barnesHut.gravitationalConstant != 0) { + var node; + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; + var nodeCount = nodeIndices.length; - // copy all edges (if not fully clustered, else there are no edges) - for (var edgeId in this.edges) { - if (this.edges.hasOwnProperty(edgeId)) { - this.sectors["frozen"][sectorId]["edges"][edgeId] = this.edges[edgeId]; - } - } + this._formBarnesHutTree(nodes,nodeIndices); - // merge the nodeIndices - for (var i = 0; i < this.nodeIndices.length; i++) { - this.sectors["frozen"][sectorId]["nodeIndices"].push(this.nodeIndices[i]); + var barnesHutTree = this.barnesHutTree; + + // place the nodes one by one recursively + for (var i = 0; i < nodeCount; i++) { + node = nodes[nodeIndices[i]]; + if (node.options.mass > 0) { + // starting with root is irrelevant, it never passes the BarnesHut condition + this._getForceContribution(barnesHutTree.root.children.NW,node); + this._getForceContribution(barnesHutTree.root.children.NE,node); + this._getForceContribution(barnesHutTree.root.children.SW,node); + this._getForceContribution(barnesHutTree.root.children.SE,node); + } + } } }; /** - * This clusters the sector to one cluster. It was a single cluster before this process started so - * we revert to that state. The clusterToFit function with a maximum size of 1 node does this. + * This function traverses the barnesHutTree. It checks when it can approximate distant nodes with their center of mass. + * If a region contains a single node, we check if it is not itself, then we apply the force. * + * @param parentBranch + * @param node * @private */ - exports._collapseThisToSingleCluster = function() { - this.clusterToFit(1,false); - }; + exports._getForceContribution = function(parentBranch,node) { + // we get no force contribution from an empty region + if (parentBranch.childrenCount > 0) { + var dx,dy,distance; + + // get the distance from the center of mass to the node. + dx = parentBranch.centerOfMass.x - node.x; + dy = parentBranch.centerOfMass.y - node.y; + distance = Math.sqrt(dx * dx + dy * dy); + // BarnesHut condition + // original condition : s/d < thetaInverted = passed === d/s > 1/theta = passed + // calcSize = 1/s --> d * 1/s > 1/theta = passed + if (distance * parentBranch.calcSize > this.constants.physics.barnesHut.thetaInverted) { + // duplicate code to reduce function calls to speed up program + if (distance == 0) { + distance = 0.1*Math.random(); + dx = distance; + } + var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); + var fx = dx * gravityForce; + var fy = dy * gravityForce; + node.fx += fx; + node.fy += fy; + } + else { + // Did not pass the condition, go into children if available + if (parentBranch.childrenCount == 4) { + this._getForceContribution(parentBranch.children.NW,node); + this._getForceContribution(parentBranch.children.NE,node); + this._getForceContribution(parentBranch.children.SW,node); + this._getForceContribution(parentBranch.children.SE,node); + } + else { // parentBranch must have only one node, if it was empty we wouldnt be here + if (parentBranch.children.data.id != node.id) { // if it is not self + // duplicate code to reduce function calls to speed up program + if (distance == 0) { + distance = 0.5*Math.random(); + dx = distance; + } + var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); + var fx = dx * gravityForce; + var fy = dy * gravityForce; + node.fx += fx; + node.fy += fy; + } + } + } + } + }; /** - * We create a new active sector from the node that we want to open. + * This function constructs the barnesHut tree recursively. It creates the root, splits it and starts placing the nodes. * - * @param node + * @param nodes + * @param nodeIndices * @private */ - exports._addSector = function(node) { - // this is the currently active sector - var sector = this._sector(); - - // // this should allow me to select nodes from a frozen set. - // if (this.sectors['active'][sector]["nodes"].hasOwnProperty(node.id)) { - // console.log("the node is part of the active sector"); - // } - // else { - // console.log("I dont know what the fuck happened!!"); - // } + exports._formBarnesHutTree = function(nodes,nodeIndices) { + var node; + var nodeCount = nodeIndices.length; - // when we switch to a new sector, we remove the node that will be expanded from the current nodes list. - delete this.nodes[node.id]; + var minX = Number.MAX_VALUE, + minY = Number.MAX_VALUE, + maxX =-Number.MAX_VALUE, + maxY =-Number.MAX_VALUE; - var unqiueIdentifier = util.randomUUID(); + // get the range of the nodes + for (var i = 0; i < nodeCount; i++) { + var x = nodes[nodeIndices[i]].x; + var y = nodes[nodeIndices[i]].y; + if (nodes[nodeIndices[i]].options.mass > 0) { + if (x < minX) { minX = x; } + if (x > maxX) { maxX = x; } + if (y < minY) { minY = y; } + if (y > maxY) { maxY = y; } + } + } + // make the range a square + var sizeDiff = Math.abs(maxX - minX) - Math.abs(maxY - minY); // difference between X and Y + if (sizeDiff > 0) {minY -= 0.5 * sizeDiff; maxY += 0.5 * sizeDiff;} // xSize > ySize + else {minX += 0.5 * sizeDiff; maxX -= 0.5 * sizeDiff;} // xSize < ySize - // we fully freeze the currently active sector - this._freezeSector(sector); - // we create a new active sector. This sector has the Id of the node to ensure uniqueness - this._createNewSector(unqiueIdentifier); + var minimumTreeSize = 1e-5; + var rootSize = Math.max(minimumTreeSize,Math.abs(maxX - minX)); + var halfRootSize = 0.5 * rootSize; + var centerX = 0.5 * (minX + maxX), centerY = 0.5 * (minY + maxY); - // we add the active sector to the sectors array to be able to revert these steps later on - this._setActiveSector(unqiueIdentifier); + // construct the barnesHutTree + var barnesHutTree = { + root:{ + centerOfMass: {x:0, y:0}, + mass:0, + range: { + minX: centerX-halfRootSize,maxX:centerX+halfRootSize, + minY: centerY-halfRootSize,maxY:centerY+halfRootSize + }, + size: rootSize, + calcSize: 1 / rootSize, + children: { data:null}, + maxWidth: 0, + level: 0, + childrenCount: 4 + } + }; + this._splitBranch(barnesHutTree.root); - // we redirect the global references to the new sector's references. this._sector() now returns unqiueIdentifier - this._switchToSector(this._sector()); + // place the nodes one by one recursively + for (i = 0; i < nodeCount; i++) { + node = nodes[nodeIndices[i]]; + if (node.options.mass > 0) { + this._placeInTree(barnesHutTree.root,node); + } + } - // finally we add the node we removed from our previous active sector to the new active sector - this.nodes[node.id] = node; + // make global + this.barnesHutTree = barnesHutTree }; /** - * We close the sector that is currently open and revert back to the one before. - * If the active sector is the "default" sector, nothing happens. + * this updates the mass of a branch. this is increased by adding a node. * + * @param parentBranch + * @param node * @private */ - exports._collapseSector = function() { - // the currently active sector - var sector = this._sector(); - - // we cannot collapse the default sector - if (sector != "default") { - if ((this.nodeIndices.length == 1) || - (this.sectors["active"][sector]["drawingNode"].width*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientWidth) || - (this.sectors["active"][sector]["drawingNode"].height*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientHeight)) { - var previousSector = this._previousSector(); - - // we collapse the sector back to a single cluster - this._collapseThisToSingleCluster(); - - // we move the remaining nodes, edges and nodeIndices to the previous sector. - // This previous sector is the one we will reactivate - this._mergeThisWithFrozen(previousSector); - - // the previously active (frozen) sector now has all the data from the currently active sector. - // we can now delete the active sector. - this._deleteActiveSector(sector); - - // we activate the previously active (and currently frozen) sector. - this._activateSector(previousSector); + exports._updateBranchMass = function(parentBranch, node) { + var totalMass = parentBranch.mass + node.options.mass; + var totalMassInv = 1/totalMass; - // we load the references from the newly active sector into the global references - this._switchToSector(previousSector); + parentBranch.centerOfMass.x = parentBranch.centerOfMass.x * parentBranch.mass + node.x * node.options.mass; + parentBranch.centerOfMass.x *= totalMassInv; - // we forget the previously active sector because we reverted to the one before - this._forgetLastSector(); + parentBranch.centerOfMass.y = parentBranch.centerOfMass.y * parentBranch.mass + node.y * node.options.mass; + parentBranch.centerOfMass.y *= totalMassInv; - // finally, we update the node index list. - this._updateNodeIndexList(); + parentBranch.mass = totalMass; + var biggestSize = Math.max(Math.max(node.height,node.radius),node.width); + parentBranch.maxWidth = (parentBranch.maxWidth < biggestSize) ? biggestSize : parentBranch.maxWidth; - // we refresh the list with calulation nodes and calculation node indices. - this._updateCalculationNodes(); - } - } }; /** - * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). + * determine in which branch the node will be placed. * - * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors - * | we dont pass the function itself because then the "this" is the window object - * | instead of the Network object - * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @param parentBranch + * @param node + * @param skipMassUpdate * @private */ - exports._doInAllActiveSectors = function(runFunction,argument) { - var returnValues = []; - if (argument === undefined) { - for (var sector in this.sectors["active"]) { - if (this.sectors["active"].hasOwnProperty(sector)) { - // switch the global references to those of this sector - this._switchToActiveSector(sector); - returnValues.push( this[runFunction]() ); - } + exports._placeInTree = function(parentBranch,node,skipMassUpdate) { + if (skipMassUpdate != true || skipMassUpdate === undefined) { + // update the mass of the branch. + this._updateBranchMass(parentBranch,node); + } + + if (parentBranch.children.NW.range.maxX > node.x) { // in NW or SW + if (parentBranch.children.NW.range.maxY > node.y) { // in NW + this._placeInRegion(parentBranch,node,"NW"); + } + else { // in SW + this._placeInRegion(parentBranch,node,"SW"); } } - else { - for (var sector in this.sectors["active"]) { - if (this.sectors["active"].hasOwnProperty(sector)) { - // switch the global references to those of this sector - this._switchToActiveSector(sector); - var args = Array.prototype.splice.call(arguments, 1); - if (args.length > 1) { - returnValues.push( this[runFunction](args[0],args[1]) ); - } - else { - returnValues.push( this[runFunction](argument) ); - } - } + else { // in NE or SE + if (parentBranch.children.NW.range.maxY > node.y) { // in NE + this._placeInRegion(parentBranch,node,"NE"); + } + else { // in SE + this._placeInRegion(parentBranch,node,"SE"); } } - // we revert the global references back to our active sector - this._loadLatestSector(); - return returnValues; }; /** - * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). + * actually place the node in a region (or branch) * - * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors - * | we dont pass the function itself because then the "this" is the window object - * | instead of the Network object - * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @param parentBranch + * @param node + * @param region * @private */ - exports._doInSupportSector = function(runFunction,argument) { - var returnValues = false; - if (argument === undefined) { - this._switchToSupportSector(); - returnValues = this[runFunction](); - } - else { - this._switchToSupportSector(); - var args = Array.prototype.splice.call(arguments, 1); - if (args.length > 1) { - returnValues = this[runFunction](args[0],args[1]); - } - else { - returnValues = this[runFunction](argument); - } - } - // we revert the global references back to our active sector - this._loadLatestSector(); - return returnValues; + exports._placeInRegion = function(parentBranch,node,region) { + switch (parentBranch.children[region].childrenCount) { + case 0: // place node here + parentBranch.children[region].children.data = node; + parentBranch.children[region].childrenCount = 1; + this._updateBranchMass(parentBranch.children[region],node); + break; + case 1: // convert into children + // if there are two nodes exactly overlapping (on init, on opening of cluster etc.) + // we move one node a pixel and we do not put it in the tree. + if (parentBranch.children[region].children.data.x == node.x && + parentBranch.children[region].children.data.y == node.y) { + node.x += Math.random(); + node.y += Math.random(); + } + else { + this._splitBranch(parentBranch.children[region]); + this._placeInTree(parentBranch.children[region],node); + } + break; + case 4: // place in branch + this._placeInTree(parentBranch.children[region],node); + break; + } }; /** - * This runs a function in all frozen sectors. This is used in the _redraw(). + * this function splits a branch into 4 sub branches. If the branch contained a node, we place it in the subbranch + * after the split is complete. * - * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors - * | we don't pass the function itself because then the "this" is the window object - * | instead of the Network object - * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @param parentBranch * @private */ - exports._doInAllFrozenSectors = function(runFunction,argument) { - if (argument === undefined) { - for (var sector in this.sectors["frozen"]) { - if (this.sectors["frozen"].hasOwnProperty(sector)) { - // switch the global references to those of this sector - this._switchToFrozenSector(sector); - this[runFunction](); - } - } + exports._splitBranch = function(parentBranch) { + // if the branch is shaded with a node, replace the node in the new subset. + var containedNode = null; + if (parentBranch.childrenCount == 1) { + containedNode = parentBranch.children.data; + parentBranch.mass = 0; parentBranch.centerOfMass.x = 0; parentBranch.centerOfMass.y = 0; } - else { - for (var sector in this.sectors["frozen"]) { - if (this.sectors["frozen"].hasOwnProperty(sector)) { - // switch the global references to those of this sector - this._switchToFrozenSector(sector); - var args = Array.prototype.splice.call(arguments, 1); - if (args.length > 1) { - this[runFunction](args[0],args[1]); - } - else { - this[runFunction](argument); - } - } - } + parentBranch.childrenCount = 4; + parentBranch.children.data = null; + this._insertRegion(parentBranch,"NW"); + this._insertRegion(parentBranch,"NE"); + this._insertRegion(parentBranch,"SW"); + this._insertRegion(parentBranch,"SE"); + + if (containedNode != null) { + this._placeInTree(parentBranch,containedNode); } - this._loadLatestSector(); }; /** - * This runs a function in all sectors. This is used in the _redraw(). + * This function subdivides the region into four new segments. + * Specifically, this inserts a single new segment. + * It fills the children section of the parentBranch * - * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors - * | we don't pass the function itself because then the "this" is the window object - * | instead of the Network object - * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @param parentBranch + * @param region + * @param parentRange * @private */ - exports._doInAllSectors = function(runFunction,argument) { - var args = Array.prototype.splice.call(arguments, 1); - if (argument === undefined) { - this._doInAllActiveSectors(runFunction); - this._doInAllFrozenSectors(runFunction); - } - else { - if (args.length > 1) { - this._doInAllActiveSectors(runFunction,args[0],args[1]); - this._doInAllFrozenSectors(runFunction,args[0],args[1]); - } - else { - this._doInAllActiveSectors(runFunction,argument); - this._doInAllFrozenSectors(runFunction,argument); - } + exports._insertRegion = function(parentBranch, region) { + var minX,maxX,minY,maxY; + var childSize = 0.5 * parentBranch.size; + switch (region) { + case "NW": + minX = parentBranch.range.minX; + maxX = parentBranch.range.minX + childSize; + minY = parentBranch.range.minY; + maxY = parentBranch.range.minY + childSize; + break; + case "NE": + minX = parentBranch.range.minX + childSize; + maxX = parentBranch.range.maxX; + minY = parentBranch.range.minY; + maxY = parentBranch.range.minY + childSize; + break; + case "SW": + minX = parentBranch.range.minX; + maxX = parentBranch.range.minX + childSize; + minY = parentBranch.range.minY + childSize; + maxY = parentBranch.range.maxY; + break; + case "SE": + minX = parentBranch.range.minX + childSize; + maxX = parentBranch.range.maxX; + minY = parentBranch.range.minY + childSize; + maxY = parentBranch.range.maxY; + break; } + + + parentBranch.children[region] = { + centerOfMass:{x:0,y:0}, + mass:0, + range:{minX:minX,maxX:maxX,minY:minY,maxY:maxY}, + size: 0.5 * parentBranch.size, + calcSize: 2 * parentBranch.calcSize, + children: {data:null}, + maxWidth: 0, + level: parentBranch.level+1, + childrenCount: 0 + }; }; /** - * This clears the nodeIndices list. We cannot use this.nodeIndices = [] because we would break the link with the - * active sector. Thus we clear the nodeIndices in the active sector, then reconnect the this.nodeIndices to it. + * This function is for debugging purposed, it draws the tree. * + * @param ctx + * @param color * @private */ - exports._clearNodeIndexList = function() { - var sector = this._sector(); - this.sectors["active"][sector]["nodeIndices"] = []; - this.nodeIndices = this.sectors["active"][sector]["nodeIndices"]; + exports._drawTree = function(ctx,color) { + if (this.barnesHutTree !== undefined) { + + ctx.lineWidth = 1; + + this._drawBranch(this.barnesHutTree.root,ctx,color); + } }; /** - * Draw the encompassing sector node + * This function is for debugging purposes. It draws the branches recursively. * + * @param branch * @param ctx - * @param sectorType + * @param color * @private */ - exports._drawSectorNodes = function(ctx,sectorType) { - var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; - for (var sector in this.sectors[sectorType]) { - if (this.sectors[sectorType].hasOwnProperty(sector)) { - if (this.sectors[sectorType][sector]["drawingNode"] !== undefined) { - - this._switchToSector(sector,sectorType); + exports._drawBranch = function(branch,ctx,color) { + if (color === undefined) { + color = "#FF0000"; + } - minY = 1e9; maxY = -1e9; minX = 1e9; maxX = -1e9; - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - node.resize(ctx); - if (minX > node.x - 0.5 * node.width) {minX = node.x - 0.5 * node.width;} - if (maxX < node.x + 0.5 * node.width) {maxX = node.x + 0.5 * node.width;} - if (minY > node.y - 0.5 * node.height) {minY = node.y - 0.5 * node.height;} - if (maxY < node.y + 0.5 * node.height) {maxY = node.y + 0.5 * node.height;} - } - } - node = this.sectors[sectorType][sector]["drawingNode"]; - node.x = 0.5 * (maxX + minX); - node.y = 0.5 * (maxY + minY); - node.width = 2 * (node.x - minX); - node.height = 2 * (node.y - minY); - node.options.radius = Math.sqrt(Math.pow(0.5*node.width,2) + Math.pow(0.5*node.height,2)); - node.setScale(this.scale); - node._drawCircle(ctx); - } - } + if (branch.childrenCount == 4) { + this._drawBranch(branch.children.NW,ctx); + this._drawBranch(branch.children.NE,ctx); + this._drawBranch(branch.children.SE,ctx); + this._drawBranch(branch.children.SW,ctx); } - }; + ctx.strokeStyle = color; + ctx.beginPath(); + ctx.moveTo(branch.range.minX,branch.range.minY); + ctx.lineTo(branch.range.maxX,branch.range.minY); + ctx.stroke(); - exports._drawAllSectorNodes = function(ctx) { - this._drawSectorNodes(ctx,"frozen"); - this._drawSectorNodes(ctx,"active"); - this._loadLatestSector(); + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.minY); + ctx.lineTo(branch.range.maxX,branch.range.maxY); + ctx.stroke(); + + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.maxY); + ctx.lineTo(branch.range.minX,branch.range.maxY); + ctx.stroke(); + + ctx.beginPath(); + ctx.moveTo(branch.range.minX,branch.range.maxY); + ctx.lineTo(branch.range.minX,branch.range.minY); + ctx.stroke(); + + /* + if (branch.mass > 0) { + ctx.circle(branch.centerOfMass.x, branch.centerOfMass.y, 3*branch.mass); + ctx.stroke(); + } + */ }; /***/ }, -/* 62 */ +/* 64 */ /***/ function(module, exports, __webpack_require__) { - var Node = __webpack_require__(40); - /** - * This function can be called from the _doInAllSectors function + * Creation of the ClusterMixin var. * - * @param object - * @param overlappingNodes - * @private + * This contains all the functions the Network object can use to employ clustering */ - exports._getNodesOverlappingWith = function(object, overlappingNodes) { - var nodes = this.nodes; - for (var nodeId in nodes) { - if (nodes.hasOwnProperty(nodeId)) { - if (nodes[nodeId].isOverlappingWith(object)) { - overlappingNodes.push(nodeId); - } - } - } - }; /** - * retrieve all nodes overlapping with given object - * @param {Object} object An object with parameters left, top, right, bottom - * @return {Number[]} An array with id's of the overlapping nodes - * @private - */ - exports._getAllNodesOverlappingWith = function (object) { - var overlappingNodes = []; - this._doInAllActiveSectors("_getNodesOverlappingWith",object,overlappingNodes); - return overlappingNodes; - }; + * This is only called in the constructor of the network object + * + */ + exports.startWithClustering = function() { + // cluster if the data set is big + this.clusterToFit(this.constants.clustering.initialMaxNodes, true); + // updates the lables after clustering + this.updateLabels(); + + // this is called here because if clusterin is disabled, the start and stabilize are called in + // the setData function. + if (this.stabilize) { + this._stabilize(); + } + this.start(); + }; /** - * Return a position object in canvasspace from a single point in screenspace + * This function clusters until the initialMaxNodes has been reached * - * @param pointer - * @returns {{left: number, top: number, right: number, bottom: number}} - * @private + * @param {Number} maxNumberOfNodes + * @param {Boolean} reposition */ - exports._pointerToPositionObject = function(pointer) { - var x = this._XconvertDOMtoCanvas(pointer.x); - var y = this._YconvertDOMtoCanvas(pointer.y); + exports.clusterToFit = function(maxNumberOfNodes, reposition) { + var numberOfNodes = this.nodeIndices.length; - return { - left: x, - top: y, - right: x, - bottom: y - }; - }; + var maxLevels = 50; + var level = 0; + + // we first cluster the hubs, then we pull in the outliers, repeat + while (numberOfNodes > maxNumberOfNodes && level < maxLevels) { + if (level % 3 == 0) { + this.forceAggregateHubs(true); + this.normalizeClusterLevels(); + } + else { + this.increaseClusterLevel(); // this also includes a cluster normalization + } + + numberOfNodes = this.nodeIndices.length; + level += 1; + } + // after the clustering we reposition the nodes to reduce the initial chaos + if (level > 0 && reposition == true) { + this.repositionNodes(); + } + this._updateCalculationNodes(); + }; /** - * Get the top node at the a specific point (like a click) + * This function can be called to open up a specific cluster. It is only called by + * It will unpack the cluster back one level. * - * @param {{x: Number, y: Number}} pointer - * @return {Node | null} node - * @private + * @param node | Node object: cluster to open. */ - exports._getNodeAt = function (pointer) { - // we first check if this is an navigation controls element - var positionObject = this._pointerToPositionObject(pointer); - var overlappingNodes = this._getAllNodesOverlappingWith(positionObject); + exports.openCluster = function(node) { + var isMovingBeforeClustering = this.moving; + if (node.clusterSize > this.constants.clustering.sectorThreshold && this._nodeInActiveArea(node) && + !(this._sector() == "default" && this.nodeIndices.length == 1)) { + // this loads a new sector, loads the nodes and edges and nodeIndices of it. + this._addSector(node); + var level = 0; + + // we decluster until we reach a decent number of nodes + while ((this.nodeIndices.length < this.constants.clustering.initialMaxNodes) && (level < 10)) { + this.decreaseClusterLevel(); + level += 1; + } - // if there are overlapping nodes, select the last one, this is the - // one which is drawn on top of the others - if (overlappingNodes.length > 0) { - return this.nodes[overlappingNodes[overlappingNodes.length - 1]]; } else { - return null; + this._expandClusterNode(node,false,true); + + // update the index list, dynamic edges and labels + this._updateNodeIndexList(); + this._updateDynamicEdges(); + this._updateCalculationNodes(); + this.updateLabels(); + } + + // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded + if (this.moving != isMovingBeforeClustering) { + this.start(); } }; /** - * retrieve all edges overlapping with given object, selector is around center - * @param {Object} object An object with parameters left, top, right, bottom - * @return {Number[]} An array with id's of the overlapping nodes - * @private + * This calls the updateClustes with default arguments */ - exports._getEdgesOverlappingWith = function (object, overlappingEdges) { - var edges = this.edges; - for (var edgeId in edges) { - if (edges.hasOwnProperty(edgeId)) { - if (edges[edgeId].isOverlappingWith(object)) { - overlappingEdges.push(edgeId); - } - } + exports.updateClustersDefault = function() { + if (this.constants.clustering.enabled == true) { + this.updateClusters(0,false,false); } }; /** - * retrieve all nodes overlapping with given object - * @param {Object} object An object with parameters left, top, right, bottom - * @return {Number[]} An array with id's of the overlapping nodes - * @private + * This function can be called to increase the cluster level. This means that the nodes with only one edge connection will + * be clustered with their connected node. This can be repeated as many times as needed. + * This can be called externally (by a keybind for instance) to reduce the complexity of big datasets. */ - exports._getAllEdgesOverlappingWith = function (object) { - var overlappingEdges = []; - this._doInAllActiveSectors("_getEdgesOverlappingWith",object,overlappingEdges); - return overlappingEdges; + exports.increaseClusterLevel = function() { + this.updateClusters(-1,false,true); }; + /** - * Place holder. To implement change the _getNodeAt to a _getObjectAt. Have the _getObjectAt call - * _getNodeAt and _getEdgesAt, then priortize the selection to user preferences. + * This function can be called to decrease the cluster level. This means that the nodes with only one edge connection will + * be unpacked if they are a cluster. This can be repeated as many times as needed. + * This can be called externally (by a key-bind for instance) to look into clusters without zooming. + */ + exports.decreaseClusterLevel = function() { + this.updateClusters(1,false,true); + }; + + + /** + * This is the main clustering function. It clusters and declusters on zoom or forced + * This function clusters on zoom, it can be called with a predefined zoom direction + * If out, check if we can form clusters, if in, check if we can open clusters. + * This function is only called from _zoom() + * + * @param {Number} zoomDirection | -1 / 0 / +1 for zoomOut / determineByZoom / zoomIn + * @param {Boolean} recursive | enabled or disable recursive calling of the opening of clusters + * @param {Boolean} force | enabled or disable forcing + * @param {Boolean} doNotStart | if true do not call start * - * @param pointer - * @returns {null} - * @private */ - exports._getEdgeAt = function(pointer) { - var positionObject = this._pointerToPositionObject(pointer); - var overlappingEdges = this._getAllEdgesOverlappingWith(positionObject); + exports.updateClusters = function(zoomDirection,recursive,force,doNotStart) { + var isMovingBeforeClustering = this.moving; + var amountOfNodes = this.nodeIndices.length; - if (overlappingEdges.length > 0) { - return this.edges[overlappingEdges[overlappingEdges.length - 1]]; + // on zoom out collapse the sector if the scale is at the level the sector was made + if (this.previousScale > this.scale && zoomDirection == 0) { + this._collapseSector(); } - else { - return null; + + // check if we zoom in or out + if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out + // forming clusters when forced pulls outliers in. When not forced, the edge length of the + // outer nodes determines if it is being clustered + this._formClusters(force); + } + else if (this.previousScale < this.scale || zoomDirection == 1) { // zoom in + if (force == true) { + // _openClusters checks for each node if the formationScale of the cluster is smaller than + // the current scale and if so, declusters. When forced, all clusters are reduced by one step + this._openClusters(recursive,force); + } + else { + // if a cluster takes up a set percentage of the active window + this._openClustersBySize(); + } + } + this._updateNodeIndexList(); + + // if a cluster was NOT formed and the user zoomed out, we try clustering by hubs + if (this.nodeIndices.length == amountOfNodes && (this.previousScale > this.scale || zoomDirection == -1)) { + this._aggregateHubs(force); + this._updateNodeIndexList(); + } + + // we now reduce chains. + if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out + this.handleChains(); + this._updateNodeIndexList(); + } + + this.previousScale = this.scale; + + // rest of the update the index list, dynamic edges and labels + this._updateDynamicEdges(); + this.updateLabels(); + + // if a cluster was formed, we increase the clusterSession + if (this.nodeIndices.length < amountOfNodes) { // this means a clustering operation has taken place + this.clusterSession += 1; + // if clusters have been made, we normalize the cluster level + this.normalizeClusterLevels(); + } + + if (doNotStart == false || doNotStart === undefined) { + // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded + if (this.moving != isMovingBeforeClustering) { + this.start(); + } } + + this._updateCalculationNodes(); }; + /** + * This function handles the chains. It is called on every updateClusters(). + */ + exports.handleChains = function() { + // after clustering we check how many chains there are + var chainPercentage = this._getChainFraction(); + if (chainPercentage > this.constants.clustering.chainThreshold) { + this._reduceAmountOfChains(1 - this.constants.clustering.chainThreshold / chainPercentage) + + } + }; /** - * Add object to the selection array. + * this functions starts clustering by hubs + * The minimum hub threshold is set globally * - * @param obj * @private */ - exports._addToSelection = function(obj) { - if (obj instanceof Node) { - this.selectionObj.nodes[obj.id] = obj; - } - else { - this.selectionObj.edges[obj.id] = obj; - } + exports._aggregateHubs = function(force) { + this._getHubSize(); + this._formClustersByHub(force,false); }; + /** - * Add object to the selection array. + * This function is fired by keypress. It forces hubs to form. * - * @param obj - * @private */ - exports._addToHover = function(obj) { - if (obj instanceof Node) { - this.hoverObj.nodes[obj.id] = obj; + exports.forceAggregateHubs = function(doNotStart) { + var isMovingBeforeClustering = this.moving; + var amountOfNodes = this.nodeIndices.length; + + this._aggregateHubs(true); + + // update the index list, dynamic edges and labels + this._updateNodeIndexList(); + this._updateDynamicEdges(); + this.updateLabels(); + + // if a cluster was formed, we increase the clusterSession + if (this.nodeIndices.length != amountOfNodes) { + this.clusterSession += 1; } - else { - this.hoverObj.edges[obj.id] = obj; + + if (doNotStart == false || doNotStart === undefined) { + // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded + if (this.moving != isMovingBeforeClustering) { + this.start(); + } + } + }; + + /** + * If a cluster takes up more than a set percentage of the screen, open the cluster + * + * @private + */ + exports._openClustersBySize = function() { + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + var node = this.nodes[nodeId]; + if (node.inView() == true) { + if ((node.width*this.scale > this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientWidth) || + (node.height*this.scale > this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientHeight)) { + this.openCluster(node); + } + } + } } }; /** - * Remove a single option from selection. + * This function loops over all nodes in the nodeIndices list. For each node it checks if it is a cluster and if it + * has to be opened based on the current zoom level. * - * @param {Object} obj * @private */ - exports._removeFromSelection = function(obj) { - if (obj instanceof Node) { - delete this.selectionObj.nodes[obj.id]; - } - else { - delete this.selectionObj.edges[obj.id]; + exports._openClusters = function(recursive,force) { + for (var i = 0; i < this.nodeIndices.length; i++) { + var node = this.nodes[this.nodeIndices[i]]; + this._expandClusterNode(node,recursive,force); + this._updateCalculationNodes(); } }; /** - * Unselect all. The selectionObj is useful for this. + * This function checks if a node has to be opened. This is done by checking the zoom level. + * If the node contains child nodes, this function is recursively called on the child nodes as well. + * This recursive behaviour is optional and can be set by the recursive argument. * - * @param {Boolean} [doNotTrigger] | ignore trigger + * @param {Node} parentNode | to check for cluster and expand + * @param {Boolean} recursive | enabled or disable recursive calling + * @param {Boolean} force | enabled or disable forcing + * @param {Boolean} [openAll] | This will recursively force all nodes in the parent to be released * @private */ - exports._unselectAll = function(doNotTrigger) { - if (doNotTrigger === undefined) { - doNotTrigger = false; - } - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - this.selectionObj.nodes[nodeId].unselect(); - } - } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - this.selectionObj.edges[edgeId].unselect(); + exports._expandClusterNode = function(parentNode, recursive, force, openAll) { + // first check if node is a cluster + if (parentNode.clusterSize > 1) { + // this means that on a double tap event or a zoom event, the cluster fully unpacks if it is smaller than 20 + if (parentNode.clusterSize < this.constants.clustering.sectorThreshold) { + openAll = true; } - } + recursive = openAll ? true : recursive; - this.selectionObj = {nodes:{},edges:{}}; + // if the last child has been added on a smaller scale than current scale decluster + if (parentNode.formationScale < this.scale || force == true) { + // we will check if any of the contained child nodes should be removed from the cluster + for (var containedNodeId in parentNode.containedNodes) { + if (parentNode.containedNodes.hasOwnProperty(containedNodeId)) { + var childNode = parentNode.containedNodes[containedNodeId]; - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); + // force expand will expand the largest cluster size clusters. Since we cluster from outside in, we assume that + // the largest cluster is the one that comes from outside + if (force == true) { + if (childNode.clusterSession == parentNode.clusterSessions[parentNode.clusterSessions.length-1] + || openAll) { + this._expelChildFromParent(parentNode,containedNodeId,recursive,force,openAll); + } + } + else { + if (this._nodeInActiveArea(parentNode)) { + this._expelChildFromParent(parentNode,containedNodeId,recursive,force,openAll); + } + } + } + } + } } }; /** - * Unselect all clusters. The selectionObj is useful for this. + * ONLY CALLED FROM _expandClusterNode * - * @param {Boolean} [doNotTrigger] | ignore trigger + * This function will expel a child_node from a parent_node. This is to de-cluster the node. This function will remove + * the child node from the parent contained_node object and put it back into the global nodes object. + * The same holds for the edge that was connected to the child node. It is moved back into the global edges object. + * + * @param {Node} parentNode | the parent node + * @param {String} containedNodeId | child_node id as it is contained in the containedNodes object of the parent node + * @param {Boolean} recursive | This will also check if the child needs to be expanded. + * With force and recursive both true, the entire cluster is unpacked + * @param {Boolean} force | This will disregard the zoom level and will expel this child from the parent + * @param {Boolean} openAll | This will recursively force all nodes in the parent to be released * @private */ - exports._unselectClusters = function(doNotTrigger) { - if (doNotTrigger === undefined) { - doNotTrigger = false; - } + exports._expelChildFromParent = function(parentNode, containedNodeId, recursive, force, openAll) { + var childNode = parentNode.containedNodes[containedNodeId]; - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - if (this.selectionObj.nodes[nodeId].clusterSize > 1) { - this.selectionObj.nodes[nodeId].unselect(); - this._removeFromSelection(this.selectionObj.nodes[nodeId]); + // if child node has been added on smaller scale than current, kick out + if (childNode.formationScale < this.scale || force == true) { + // unselect all selected items + this._unselectAll(); + + // put the child node back in the global nodes object + this.nodes[containedNodeId] = childNode; + + // release the contained edges from this childNode back into the global edges + this._releaseContainedEdges(parentNode,childNode); + + // reconnect rerouted edges to the childNode + this._connectEdgeBackToChild(parentNode,childNode); + + // validate all edges in dynamicEdges + this._validateEdges(parentNode); + + // undo the changes from the clustering operation on the parent node + parentNode.options.mass -= childNode.options.mass; + parentNode.clusterSize -= childNode.clusterSize; + parentNode.options.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*(parentNode.clusterSize-1)); + parentNode.dynamicEdgesLength = parentNode.dynamicEdges.length; + + // place the child node near the parent, not at the exact same location to avoid chaos in the system + childNode.x = parentNode.x + parentNode.growthIndicator * (0.5 - Math.random()); + childNode.y = parentNode.y + parentNode.growthIndicator * (0.5 - Math.random()); + + // remove node from the list + delete parentNode.containedNodes[containedNodeId]; + + // check if there are other childs with this clusterSession in the parent. + var othersPresent = false; + for (var childNodeId in parentNode.containedNodes) { + if (parentNode.containedNodes.hasOwnProperty(childNodeId)) { + if (parentNode.containedNodes[childNodeId].clusterSession == childNode.clusterSession) { + othersPresent = true; + break; + } } } + // if there are no others, remove the cluster session from the list + if (othersPresent == false) { + parentNode.clusterSessions.pop(); + } + + this._repositionBezierNodes(childNode); + // this._repositionBezierNodes(parentNode); + + // remove the clusterSession from the child node + childNode.clusterSession = 0; + + // recalculate the size of the node on the next time the node is rendered + parentNode.clearSizeCache(); + + // restart the simulation to reorganise all nodes + this.moving = true; } - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); + // check if a further expansion step is possible if recursivity is enabled + if (recursive == true) { + this._expandClusterNode(childNode,recursive,force,openAll); } }; /** - * return the number of selected nodes + * position the bezier nodes at the center of the edges * - * @returns {number} + * @param node * @private */ - exports._getSelectedNodeCount = function() { - var count = 0; - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - count += 1; - } + exports._repositionBezierNodes = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + node.dynamicEdges[i].positionBezierNode(); } - return count; }; + /** - * return the selected node + * This function checks if any nodes at the end of their trees have edges below a threshold length + * This function is called only from updateClusters() + * forceLevelCollapse ignores the length of the edge and collapses one level + * This means that a node with only one edge will be clustered with its connected node * - * @returns {number} * @private + * @param {Boolean} force */ - exports._getSelectedNode = function() { - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - return this.selectionObj.nodes[nodeId]; - } + exports._formClusters = function(force) { + if (force == false) { + this._formClustersByZoom(); + } + else { + this._forceClustersByZoom(); } - return null; }; + /** - * return the selected edge + * This function handles the clustering by zooming out, this is based on a minimum edge distance * - * @returns {number} * @private */ - exports._getSelectedEdge = function() { - for (var edgeId in this.selectionObj.edges) { - if (this.selectionObj.edges.hasOwnProperty(edgeId)) { - return this.selectionObj.edges[edgeId]; + exports._formClustersByZoom = function() { + var dx,dy,length, + minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; + + // check if any edges are shorter than minLength and start the clustering + // the clustering favours the node with the larger mass + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + var edge = this.edges[edgeId]; + if (edge.connected) { + if (edge.toId != edge.fromId) { + dx = (edge.to.x - edge.from.x); + dy = (edge.to.y - edge.from.y); + length = Math.sqrt(dx * dx + dy * dy); + + + if (length < minLength) { + // first check which node is larger + var parentNode = edge.from; + var childNode = edge.to; + if (edge.to.options.mass > edge.from.options.mass) { + parentNode = edge.to; + childNode = edge.from; + } + + if (childNode.dynamicEdgesLength == 1) { + this._addToCluster(parentNode,childNode,false); + } + else if (parentNode.dynamicEdgesLength == 1) { + this._addToCluster(childNode,parentNode,false); + } + } + } + } } } - return null; }; - /** - * return the number of selected edges + * This function forces the network to cluster all nodes with only one connecting edge to their + * connected node. * - * @returns {number} * @private */ - exports._getSelectedEdgeCount = function() { - var count = 0; - for (var edgeId in this.selectionObj.edges) { - if (this.selectionObj.edges.hasOwnProperty(edgeId)) { - count += 1; + exports._forceClustersByZoom = function() { + for (var nodeId in this.nodes) { + // another node could have absorbed this child. + if (this.nodes.hasOwnProperty(nodeId)) { + var childNode = this.nodes[nodeId]; + + // the edges can be swallowed by another decrease + if (childNode.dynamicEdgesLength == 1 && childNode.dynamicEdges.length != 0) { + var edge = childNode.dynamicEdges[0]; + var parentNode = (edge.toId == childNode.id) ? this.nodes[edge.fromId] : this.nodes[edge.toId]; + + // group to the largest node + if (childNode.id != parentNode.id) { + if (parentNode.options.mass > childNode.options.mass) { + this._addToCluster(parentNode,childNode,true); + } + else { + this._addToCluster(childNode,parentNode,true); + } + } + } } } - return count; }; /** - * return the number of selected objects. + * To keep the nodes of roughly equal size we normalize the cluster levels. + * This function clusters a node to its smallest connected neighbour. * - * @returns {number} + * @param node * @private */ - exports._getSelectedObjectCount = function() { - var count = 0; - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - count += 1; + exports._clusterToSmallestNeighbour = function(node) { + var smallestNeighbour = -1; + var smallestNeighbourNode = null; + for (var i = 0; i < node.dynamicEdges.length; i++) { + if (node.dynamicEdges[i] !== undefined) { + var neighbour = null; + if (node.dynamicEdges[i].fromId != node.id) { + neighbour = node.dynamicEdges[i].from; + } + else if (node.dynamicEdges[i].toId != node.id) { + neighbour = node.dynamicEdges[i].to; + } + + + if (neighbour != null && smallestNeighbour > neighbour.clusterSessions.length) { + smallestNeighbour = neighbour.clusterSessions.length; + smallestNeighbourNode = neighbour; + } } } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - count += 1; - } + + if (neighbour != null && this.nodes[neighbour.id] !== undefined) { + this._addToCluster(neighbour, node, true); } - return count; }; + /** - * Check if anything is selected + * This function forms clusters from hubs, it loops over all nodes * - * @returns {boolean} + * @param {Boolean} force | Disregard zoom level + * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges * @private */ - exports._selectionIsEmpty = function() { - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - return false; - } - } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - return false; + exports._formClustersByHub = function(force, onlyEqual) { + // we loop over all nodes in the list + for (var nodeId in this.nodes) { + // we check if it is still available since it can be used by the clustering in this loop + if (this.nodes.hasOwnProperty(nodeId)) { + this._formClusterFromHub(this.nodes[nodeId],force,onlyEqual); } } - return true; }; - /** - * check if one of the selected nodes is a cluster. + * This function forms a cluster from a specific preselected hub node * - * @returns {boolean} + * @param {Node} hubNode | the node we will cluster as a hub + * @param {Boolean} force | Disregard zoom level + * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges + * @param {Number} [absorptionSizeOffset] | * @private */ - exports._clusterInSelection = function() { - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - if (this.selectionObj.nodes[nodeId].clusterSize > 1) { - return true; + exports._formClusterFromHub = function(hubNode, force, onlyEqual, absorptionSizeOffset) { + if (absorptionSizeOffset === undefined) { + absorptionSizeOffset = 0; + } + // we decide if the node is a hub + if ((hubNode.dynamicEdgesLength >= this.hubThreshold && onlyEqual == false) || + (hubNode.dynamicEdgesLength == this.hubThreshold && onlyEqual == true)) { + // initialize variables + var dx,dy,length; + var minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; + var allowCluster = false; + + // we create a list of edges because the dynamicEdges change over the course of this loop + var edgesIdarray = []; + var amountOfInitialEdges = hubNode.dynamicEdges.length; + for (var j = 0; j < amountOfInitialEdges; j++) { + edgesIdarray.push(hubNode.dynamicEdges[j].id); + } + + // if the hub clustering is not forces, we check if one of the edges connected + // to a cluster is small enough based on the constants.clustering.clusterEdgeThreshold + if (force == false) { + allowCluster = false; + for (j = 0; j < amountOfInitialEdges; j++) { + var edge = this.edges[edgesIdarray[j]]; + if (edge !== undefined) { + if (edge.connected) { + if (edge.toId != edge.fromId) { + dx = (edge.to.x - edge.from.x); + dy = (edge.to.y - edge.from.y); + length = Math.sqrt(dx * dx + dy * dy); + + if (length < minLength) { + allowCluster = true; + break; + } + } + } + } + } + } + + // start the clustering if allowed + if ((!force && allowCluster) || force) { + // we loop over all edges INITIALLY connected to this hub + for (j = 0; j < amountOfInitialEdges; j++) { + edge = this.edges[edgesIdarray[j]]; + // the edge can be clustered by this function in a previous loop + if (edge !== undefined) { + var childNode = this.nodes[(edge.fromId == hubNode.id) ? edge.toId : edge.fromId]; + // we do not want hubs to merge with other hubs nor do we want to cluster itself. + if ((childNode.dynamicEdges.length <= (this.hubThreshold + absorptionSizeOffset)) && + (childNode.id != hubNode.id)) { + this._addToCluster(hubNode,childNode,force); + } + } } } } - return false; }; + + /** - * select the edges connected to the node that is being selected + * This function adds the child node to the parent node, creating a cluster if it is not already. * - * @param {Node} node + * @param {Node} parentNode | this is the node that will house the child node + * @param {Node} childNode | this node will be deleted from the global this.nodes and stored in the parent node + * @param {Boolean} force | true will only update the remainingEdges at the very end of the clustering, ensuring single level collapse * @private */ - exports._selectConnectedEdges = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - var edge = node.dynamicEdges[i]; - edge.select(); - this._addToSelection(edge); + exports._addToCluster = function(parentNode, childNode, force) { + // join child node in the parent node + parentNode.containedNodes[childNode.id] = childNode; + + // manage all the edges connected to the child and parent nodes + for (var i = 0; i < childNode.dynamicEdges.length; i++) { + var edge = childNode.dynamicEdges[i]; + if (edge.toId == parentNode.id || edge.fromId == parentNode.id) { // edge connected to parentNode + this._addToContainedEdges(parentNode,childNode,edge); + } + else { + this._connectEdgeToCluster(parentNode,childNode,edge); + } } - }; + // a contained node has no dynamic edges. + childNode.dynamicEdges = []; - /** - * select the edges connected to the node that is being selected - * - * @param {Node} node - * @private - */ - exports._hoverConnectedEdges = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - var edge = node.dynamicEdges[i]; - edge.hover = true; - this._addToHover(edge); + // remove circular edges from clusters + this._containCircularEdgesFromNode(parentNode,childNode); + + + // remove the childNode from the global nodes object + delete this.nodes[childNode.id]; + + // update the properties of the child and parent + var massBefore = parentNode.options.mass; + childNode.clusterSession = this.clusterSession; + parentNode.options.mass += childNode.options.mass; + parentNode.clusterSize += childNode.clusterSize; + parentNode.options.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*parentNode.clusterSize); + + // keep track of the clustersessions so we can open the cluster up as it has been formed. + if (parentNode.clusterSessions[parentNode.clusterSessions.length - 1] != this.clusterSession) { + parentNode.clusterSessions.push(this.clusterSession); + } + + // forced clusters only open from screen size and double tap + if (force == true) { + // parentNode.formationScale = Math.pow(1 - (1.0/11.0),this.clusterSession+3); + parentNode.formationScale = 0; + } + else { + parentNode.formationScale = this.scale; // The latest child has been added on this scale } + + // recalculate the size of the node on the next time the node is rendered + parentNode.clearSizeCache(); + + // set the pop-out scale for the childnode + parentNode.containedNodes[childNode.id].formationScale = parentNode.formationScale; + + // nullify the movement velocity of the child, this is to avoid hectic behaviour + childNode.clearVelocity(); + + // the mass has altered, preservation of energy dictates the velocity to be updated + parentNode.updateVelocity(massBefore); + + // restart the simulation to reorganise all nodes + this.moving = true; }; /** - * unselect the edges connected to the node that is being selected - * - * @param {Node} node + * This function will apply the changes made to the remainingEdges during the formation of the clusters. + * This is a seperate function to allow for level-wise collapsing of the node barnesHutTree. + * It has to be called if a level is collapsed. It is called by _formClusters(). * @private */ - exports._unselectConnectedEdges = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - var edge = node.dynamicEdges[i]; - edge.unselect(); - this._removeFromSelection(edge); + exports._updateDynamicEdges = function() { + for (var i = 0; i < this.nodeIndices.length; i++) { + var node = this.nodes[this.nodeIndices[i]]; + node.dynamicEdgesLength = node.dynamicEdges.length; + + // this corrects for multiple edges pointing at the same other node + var correction = 0; + if (node.dynamicEdgesLength > 1) { + for (var j = 0; j < node.dynamicEdgesLength - 1; j++) { + var edgeToId = node.dynamicEdges[j].toId; + var edgeFromId = node.dynamicEdges[j].fromId; + for (var k = j+1; k < node.dynamicEdgesLength; k++) { + if ((node.dynamicEdges[k].toId == edgeToId && node.dynamicEdges[k].fromId == edgeFromId) || + (node.dynamicEdges[k].fromId == edgeToId && node.dynamicEdges[k].toId == edgeFromId)) { + correction += 1; + } + } + } + } + node.dynamicEdgesLength -= correction; } }; - - /** - * This is called when someone clicks on a node. either select or deselect it. - * If there is an existing selection and we don't want to append to it, clear the existing selection + * This adds an edge from the childNode to the contained edges of the parent node * - * @param {Node || Edge} object - * @param {Boolean} append - * @param {Boolean} [doNotTrigger] | ignore trigger + * @param parentNode | Node object + * @param childNode | Node object + * @param edge | Edge object * @private */ - exports._selectObject = function(object, append, doNotTrigger, highlightEdges, overrideSelectable) { - if (doNotTrigger === undefined) { - doNotTrigger = false; - } - if (highlightEdges === undefined) { - highlightEdges = true; + exports._addToContainedEdges = function(parentNode, childNode, edge) { + // create an array object if it does not yet exist for this childNode + if (!(parentNode.containedEdges.hasOwnProperty(childNode.id))) { + parentNode.containedEdges[childNode.id] = [] } + // add this edge to the list + parentNode.containedEdges[childNode.id].push(edge); - if (this._selectionIsEmpty() == false && append == false && this.forceAppendSelection == false) { - this._unselectAll(true); - } + // remove the edge from the global edges object + delete this.edges[edge.id]; - // selectable allows the object to be selected. Override can be used if needed to bypass this. - if (object.selected == false && (this.constants.selectable == true || overrideSelectable)) { - object.select(); - this._addToSelection(object); - if (object instanceof Node && this.blockConnectingEdgeSelection == false && highlightEdges == true) { - this._selectConnectedEdges(object); + // remove the edge from the parent object + for (var i = 0; i < parentNode.dynamicEdges.length; i++) { + if (parentNode.dynamicEdges[i].id == edge.id) { + parentNode.dynamicEdges.splice(i,1); + break; } } - // do not select the object if selectable is false, only add it to selection to allow drag to work - else if (object.selected == false) { - this._addToSelection(object); - doNotTrigger = true; - } - else { - object.unselect(); - this._removeFromSelection(object); - } - - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); - } }; - /** - * This is called when someone clicks on a node. either select or deselect it. - * If there is an existing selection and we don't want to append to it, clear the existing selection + * This function connects an edge that was connected to a child node to the parent node. + * It keeps track of which nodes it has been connected to with the originalId array. * - * @param {Node || Edge} object + * @param {Node} parentNode | Node object + * @param {Node} childNode | Node object + * @param {Edge} edge | Edge object * @private */ - exports._blurObject = function(object) { - if (object.hover == true) { - object.hover = false; - this.emit("blurNode",{node:object.id}); + exports._connectEdgeToCluster = function(parentNode, childNode, edge) { + // handle circular edges + if (edge.toId == edge.fromId) { + this._addToContainedEdges(parentNode, childNode, edge); + } + else { + if (edge.toId == childNode.id) { // edge connected to other node on the "to" side + edge.originalToId.push(childNode.id); + edge.to = parentNode; + edge.toId = parentNode.id; + } + else { // edge connected to other node with the "from" side + + edge.originalFromId.push(childNode.id); + edge.from = parentNode; + edge.fromId = parentNode.id; + } + + this._addToReroutedEdges(parentNode,childNode,edge); } }; + /** - * This is called when someone clicks on a node. either select or deselect it. - * If there is an existing selection and we don't want to append to it, clear the existing selection + * If a node is connected to itself, a circular edge is drawn. When clustering we want to contain + * these edges inside of the cluster. * - * @param {Node || Edge} object + * @param parentNode + * @param childNode * @private */ - exports._hoverObject = function(object) { - if (object.hover == false) { - object.hover = true; - this._addToHover(object); - if (object instanceof Node) { - this.emit("hoverNode",{node:object.id}); + exports._containCircularEdgesFromNode = function(parentNode, childNode) { + // manage all the edges connected to the child and parent nodes + for (var i = 0; i < parentNode.dynamicEdges.length; i++) { + var edge = parentNode.dynamicEdges[i]; + // handle circular edges + if (edge.toId == edge.fromId) { + this._addToContainedEdges(parentNode, childNode, edge); } } - if (object instanceof Node) { - this._hoverConnectedEdges(object); - } }; /** - * handles the selection part of the touch, only for navigation controls elements; - * Touch is triggered before tap, also before hold. Hold triggers after a while. - * This is the most responsive solution + * This adds an edge from the childNode to the rerouted edges of the parent node * - * @param {Object} pointer + * @param parentNode | Node object + * @param childNode | Node object + * @param edge | Edge object * @private */ - exports._handleTouch = function(pointer) { - }; + exports._addToReroutedEdges = function(parentNode, childNode, edge) { + // create an array object if it does not yet exist for this childNode + // we store the edge in the rerouted edges so we can restore it when the cluster pops open + if (!(parentNode.reroutedEdges.hasOwnProperty(childNode.id))) { + parentNode.reroutedEdges[childNode.id] = []; + } + parentNode.reroutedEdges[childNode.id].push(edge); + + // this edge becomes part of the dynamicEdges of the cluster node + parentNode.dynamicEdges.push(edge); + }; + /** - * handles the selection part of the tap; + * This function connects an edge that was connected to a cluster node back to the child node. * - * @param {Object} pointer + * @param parentNode | Node object + * @param childNode | Node object * @private */ - exports._handleTap = function(pointer) { - var node = this._getNodeAt(pointer); - if (node != null) { - this._selectObject(node, false); - } - else { - var edge = this._getEdgeAt(pointer); - if (edge != null) { - this._selectObject(edge, false); - } - else { - this._unselectAll(); + exports._connectEdgeBackToChild = function(parentNode, childNode) { + if (parentNode.reroutedEdges.hasOwnProperty(childNode.id)) { + for (var i = 0; i < parentNode.reroutedEdges[childNode.id].length; i++) { + var edge = parentNode.reroutedEdges[childNode.id][i]; + if (edge.originalFromId[edge.originalFromId.length-1] == childNode.id) { + edge.originalFromId.pop(); + edge.fromId = childNode.id; + edge.from = childNode; + } + else { + edge.originalToId.pop(); + edge.toId = childNode.id; + edge.to = childNode; + } + + // append this edge to the list of edges connecting to the childnode + childNode.dynamicEdges.push(edge); + + // remove the edge from the parent object + for (var j = 0; j < parentNode.dynamicEdges.length; j++) { + if (parentNode.dynamicEdges[j].id == edge.id) { + parentNode.dynamicEdges.splice(j,1); + break; + } + } } + // remove the entry from the rerouted edges + delete parentNode.reroutedEdges[childNode.id]; } - var properties = this.getSelection(); - properties['pointer'] = { - DOM: {x: pointer.x, y: pointer.y}, - canvas: {x: this._XconvertDOMtoCanvas(pointer.x), y: this._YconvertDOMtoCanvas(pointer.y)} - } - this.emit("click", properties); - this._redraw(); }; /** - * handles the selection part of the double tap and opens a cluster if needed + * When loops are clustered, an edge can be both in the rerouted array and the contained array. + * This function is called last to verify that all edges in dynamicEdges are in fact connected to the + * parentNode * - * @param {Object} pointer + * @param parentNode | Node object * @private */ - exports._handleDoubleTap = function(pointer) { - var node = this._getNodeAt(pointer); - if (node != null && node !== undefined) { - // we reset the areaCenter here so the opening of the node will occur - this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), - "y" : this._YconvertDOMtoCanvas(pointer.y)}; - this.openCluster(node); - } - var properties = this.getSelection(); - properties['pointer'] = { - DOM: {x: pointer.x, y: pointer.y}, - canvas: {x: this._XconvertDOMtoCanvas(pointer.x), y: this._YconvertDOMtoCanvas(pointer.y)} + exports._validateEdges = function(parentNode) { + for (var i = 0; i < parentNode.dynamicEdges.length; i++) { + var edge = parentNode.dynamicEdges[i]; + if (parentNode.id != edge.toId && parentNode.id != edge.fromId) { + parentNode.dynamicEdges.splice(i,1); + } } - this.emit("doubleClick", properties); }; /** - * Handle the onHold selection part + * This function released the contained edges back into the global domain and puts them back into the + * dynamic edges of both parent and child. * - * @param pointer + * @param {Node} parentNode | + * @param {Node} childNode | * @private */ - exports._handleOnHold = function(pointer) { - var node = this._getNodeAt(pointer); - if (node != null) { - this._selectObject(node,true); - } - else { - var edge = this._getEdgeAt(pointer); - if (edge != null) { - this._selectObject(edge,true); - } + exports._releaseContainedEdges = function(parentNode, childNode) { + for (var i = 0; i < parentNode.containedEdges[childNode.id].length; i++) { + var edge = parentNode.containedEdges[childNode.id][i]; + + // put the edge back in the global edges object + this.edges[edge.id] = edge; + + // put the edge back in the dynamic edges of the child and parent + childNode.dynamicEdges.push(edge); + parentNode.dynamicEdges.push(edge); } - this._redraw(); + // remove the entry from the contained edges + delete parentNode.containedEdges[childNode.id]; + }; - /** - * handle the onRelease event. These functions are here for the navigation controls module - * and data manipulation module. - * - * @private - */ - exports._handleOnRelease = function(pointer) { - this._manipulationReleaseOverload(pointer); - this._navigationReleaseOverload(pointer); - }; - exports._manipulationReleaseOverload = function (pointer) {}; - exports._navigationReleaseOverload = function (pointer) {}; - /** - * - * retrieve the currently selected objects - * @return {{nodes: Array., edges: Array.}} selection - */ - exports.getSelection = function() { - var nodeIds = this.getSelectedNodes(); - var edgeIds = this.getSelectedEdges(); - return {nodes:nodeIds, edges:edgeIds}; - }; + // ------------------- UTILITY FUNCTIONS ---------------------------- // + /** - * - * retrieve the currently selected nodes - * @return {String[]} selection An array with the ids of the - * selected nodes. + * This updates the node labels for all nodes (for debugging purposes) */ - exports.getSelectedNodes = function() { - var idArray = []; - if (this.constants.selectable == true) { - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - idArray.push(nodeId); + exports.updateLabels = function() { + var nodeId; + // update node labels + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + var node = this.nodes[nodeId]; + if (node.clusterSize > 1) { + node.label = "[".concat(String(node.clusterSize),"]"); } } } - return idArray + + // update node labels + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.clusterSize == 1) { + if (node.originalLabel !== undefined) { + node.label = node.originalLabel; + } + else { + node.label = String(node.id); + } + } + } + } + + // /* Debug Override */ + // for (nodeId in this.nodes) { + // if (this.nodes.hasOwnProperty(nodeId)) { + // node = this.nodes[nodeId]; + // node.label = String(node.level); + // } + // } + }; + /** - * - * retrieve the currently selected edges - * @return {Array} selection An array with the ids of the - * selected nodes. + * We want to keep the cluster level distribution rather small. This means we do not want unclustered nodes + * if the rest of the nodes are already a few cluster levels in. + * To fix this we use this function. It determines the min and max cluster level and sends nodes that have not + * clustered enough to the clusterToSmallestNeighbours function. */ - exports.getSelectedEdges = function() { - var idArray = []; - if (this.constants.selectable == true) { - for (var edgeId in this.selectionObj.edges) { - if (this.selectionObj.edges.hasOwnProperty(edgeId)) { - idArray.push(edgeId); + exports.normalizeClusterLevels = function() { + var maxLevel = 0; + var minLevel = 1e9; + var clusterLevel = 0; + var nodeId; + + // we loop over all nodes in the list + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + clusterLevel = this.nodes[nodeId].clusterSessions.length; + if (maxLevel < clusterLevel) {maxLevel = clusterLevel;} + if (minLevel > clusterLevel) {minLevel = clusterLevel;} + } + } + + if (maxLevel - minLevel > this.constants.clustering.clusterLevelDifference) { + var amountOfNodes = this.nodeIndices.length; + var targetLevel = maxLevel - this.constants.clustering.clusterLevelDifference; + // we loop over all nodes in the list + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + if (this.nodes[nodeId].clusterSessions.length < targetLevel) { + this._clusterToSmallestNeighbour(this.nodes[nodeId]); + } } } + this._updateNodeIndexList(); + this._updateDynamicEdges(); + // if a cluster was formed, we increase the clusterSession + if (this.nodeIndices.length != amountOfNodes) { + this.clusterSession += 1; + } } - return idArray; }; + /** - * select zero or more nodes DEPRICATED - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. + * This function determines if the cluster we want to decluster is in the active area + * this means around the zoom center + * + * @param {Node} node + * @returns {boolean} + * @private */ - exports.setSelection = function() { - console.log("setSelection is deprecated. Please use selectNodes instead.") + exports._nodeInActiveArea = function(node) { + return ( + Math.abs(node.x - this.areaCenter.x) <= this.constants.clustering.activeAreaBoxSize/this.scale + && + Math.abs(node.y - this.areaCenter.y) <= this.constants.clustering.activeAreaBoxSize/this.scale + ) }; /** - * select zero or more nodes with the option to highlight edges - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. - * @param {boolean} [highlightEdges] + * This is an adaptation of the original repositioning function. This is called if the system is clustered initially + * It puts large clusters away from the center and randomizes the order. + * */ - exports.selectNodes = function(selection, highlightEdges) { - var i, iMax, id; - - if (!selection || (selection.length == undefined)) - throw 'Selection must be an array with ids'; - - // first unselect any selected node - this._unselectAll(true); - - for (i = 0, iMax = selection.length; i < iMax; i++) { - id = selection[i]; - - var node = this.nodes[id]; - if (!node) { - throw new RangeError('Node with id "' + id + '" not found'); + exports.repositionNodes = function() { + for (var i = 0; i < this.nodeIndices.length; i++) { + var node = this.nodes[this.nodeIndices[i]]; + if ((node.xFixed == false || node.yFixed == false)) { + var radius = 10 * 0.1*this.nodeIndices.length * Math.min(100,node.options.mass); + var angle = 2 * Math.PI * Math.random(); + if (node.xFixed == false) {node.x = radius * Math.cos(angle);} + if (node.yFixed == false) {node.y = radius * Math.sin(angle);} + this._repositionBezierNodes(node); } - this._selectObject(node,true,true,highlightEdges,true); } - this.redraw(); }; /** - * select zero or more edges - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. + * We determine how many connections denote an important hub. + * We take the mean + 2*std as the important hub size. (Assuming a normal distribution of data, ~2.2%) + * + * @private */ - exports.selectEdges = function(selection) { - var i, iMax, id; + exports._getHubSize = function() { + var average = 0; + var averageSquared = 0; + var hubCounter = 0; + var largestHub = 0; - if (!selection || (selection.length == undefined)) - throw 'Selection must be an array with ids'; + for (var i = 0; i < this.nodeIndices.length; i++) { - // first unselect any selected node - this._unselectAll(true); + var node = this.nodes[this.nodeIndices[i]]; + if (node.dynamicEdgesLength > largestHub) { + largestHub = node.dynamicEdgesLength; + } + average += node.dynamicEdgesLength; + averageSquared += Math.pow(node.dynamicEdgesLength,2); + hubCounter += 1; + } + average = average / hubCounter; + averageSquared = averageSquared / hubCounter; - for (i = 0, iMax = selection.length; i < iMax; i++) { - id = selection[i]; + var variance = averageSquared - Math.pow(average,2); - var edge = this.edges[id]; - if (!edge) { - throw new RangeError('Edge with id "' + id + '" not found'); - } - this._selectObject(edge,true,true,false,true); + var standardDeviation = Math.sqrt(variance); + + this.hubThreshold = Math.floor(average + 2*standardDeviation); + + // always have at least one to cluster + if (this.hubThreshold > largestHub) { + this.hubThreshold = largestHub; } - this.redraw(); + + // console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); + // console.log("hubThreshold:",this.hubThreshold); }; + /** - * Validate the selection: remove ids of nodes which no longer exist + * We reduce the amount of "extension nodes" or chains. These are not quickly clustered with the outliers and hubs methods + * with this amount we can cluster specifically on these chains. + * + * @param {Number} fraction | between 0 and 1, the percentage of chains to reduce * @private */ - exports._updateSelection = function () { - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - if (!this.nodes.hasOwnProperty(nodeId)) { - delete this.selectionObj.nodes[nodeId]; + exports._reduceAmountOfChains = function(fraction) { + this.hubThreshold = 2; + var reduceAmount = Math.floor(this.nodeIndices.length * fraction); + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + if (this.nodes[nodeId].dynamicEdgesLength == 2 && this.nodes[nodeId].dynamicEdges.length >= 2) { + if (reduceAmount > 0) { + this._formClusterFromHub(this.nodes[nodeId],true,true,1); + reduceAmount -= 1; + } } } } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - if (!this.edges.hasOwnProperty(edgeId)) { - delete this.selectionObj.edges[edgeId]; + }; + + /** + * We get the amount of "extension nodes" or chains. These are not quickly clustered with the outliers and hubs methods + * with this amount we can cluster specifically on these chains. + * + * @private + */ + exports._getChainFraction = function() { + var chains = 0; + var total = 0; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + if (this.nodes[nodeId].dynamicEdgesLength == 2 && this.nodes[nodeId].dynamicEdges.length >= 2) { + chains += 1; } + total += 1; } } + return chains/total; }; /***/ }, -/* 63 */ +/* 65 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(1); - var Node = __webpack_require__(40); - var Edge = __webpack_require__(37); + var Node = __webpack_require__(56); /** - * clears the toolbar div element of children + * Creation of the SectorMixin var. * - * @private - */ - exports._clearManipulatorBar = function() { - this._recursiveDOMDelete(this.manipulationDiv); - this.manipulationDOM = {}; - - this._manipulationReleaseOverload = function () {}; - delete this.sectors['support']['nodes']['targetNode']; - delete this.sectors['support']['nodes']['targetViaNode']; - this.controlNodesActive = false; - this.freezeSimulation = false; - }; + * This contains all the functions the Network object can use to employ the sector system. + * The sector system is always used by Network, though the benefits only apply to the use of clustering. + * If clustering is not used, there is no overhead except for a duplicate object with references to nodes and edges. + */ /** - * Manipulation UI temporarily overloads certain functions to extend or replace them. To be able to restore - * these functions to their original functionality, we saved them in this.cachedFunctions. - * This function restores these functions to their original function. + * This function is only called by the setData function of the Network object. + * This loads the global references into the active sector. This initializes the sector. * * @private */ - exports._restoreOverloadedFunctions = function() { - for (var functionName in this.cachedFunctions) { - if (this.cachedFunctions.hasOwnProperty(functionName)) { - this[functionName] = this.cachedFunctions[functionName]; - delete this.cachedFunctions[functionName]; - } - } + exports._putDataInSector = function() { + this.sectors["active"][this._sector()].nodes = this.nodes; + this.sectors["active"][this._sector()].edges = this.edges; + this.sectors["active"][this._sector()].nodeIndices = this.nodeIndices; }; + /** - * Enable or disable edit-mode. + * /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied (active) sector. If a type is defined, do the specific type * + * @param {String} sectorId + * @param {String} [sectorType] | "active" or "frozen" * @private */ - exports._toggleEditMode = function() { - this.editMode = !this.editMode; - var toolbar = this.manipulationDiv; - var closeDiv = this.closeDiv; - var editModeDiv = this.editModeDiv; - if (this.editMode == true) { - toolbar.style.display="block"; - closeDiv.style.display="block"; - editModeDiv.style.display="none"; - closeDiv.onclick = this._toggleEditMode.bind(this); + exports._switchToSector = function(sectorId, sectorType) { + if (sectorType === undefined || sectorType == "active") { + this._switchToActiveSector(sectorId); } else { - toolbar.style.display="none"; - closeDiv.style.display="none"; - editModeDiv.style.display="block"; - closeDiv.onclick = null; + this._switchToFrozenSector(sectorId); } - this._createManipulatorBar() }; + /** - * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. * + * @param sectorId * @private */ - exports._createManipulatorBar = function() { - // remove bound functions - if (this.boundFunction) { - this.off('select', this.boundFunction); - } - - var locale = this.constants.locales[this.constants.locale]; - - if (this.edgeBeingEdited !== undefined) { - this.edgeBeingEdited._disableControlNodes(); - this.edgeBeingEdited = undefined; - this.selectedControlNode = null; - this.controlNodesActive = false; - this._redraw(); - } - - // restore overloaded functions - this._restoreOverloadedFunctions(); - - // resume calculation - this.freezeSimulation = false; - - // reset global variables - this.blockConnectingEdgeSelection = false; - this.forceAppendSelection = false; - this.manipulationDOM = {}; - - if (this.editMode == true) { - while (this.manipulationDiv.hasChildNodes()) { - this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); - } - - this.manipulationDOM['addNodeSpan'] = document.createElement('span'); - this.manipulationDOM['addNodeSpan'].className = 'network-manipulationUI add'; - this.manipulationDOM['addNodeLabelSpan'] = document.createElement('span'); - this.manipulationDOM['addNodeLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['addNodeLabelSpan'].innerHTML = locale['addNode']; - this.manipulationDOM['addNodeSpan'].appendChild(this.manipulationDOM['addNodeLabelSpan']); - - this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; - - this.manipulationDOM['addEdgeSpan'] = document.createElement('span'); - this.manipulationDOM['addEdgeSpan'].className = 'network-manipulationUI connect'; - this.manipulationDOM['addEdgeLabelSpan'] = document.createElement('span'); - this.manipulationDOM['addEdgeLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['addEdgeLabelSpan'].innerHTML = locale['addEdge']; - this.manipulationDOM['addEdgeSpan'].appendChild(this.manipulationDOM['addEdgeLabelSpan']); - - this.manipulationDiv.appendChild(this.manipulationDOM['addNodeSpan']); - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); - this.manipulationDiv.appendChild(this.manipulationDOM['addEdgeSpan']); + exports._switchToActiveSector = function(sectorId) { + this.nodeIndices = this.sectors["active"][sectorId]["nodeIndices"]; + this.nodes = this.sectors["active"][sectorId]["nodes"]; + this.edges = this.sectors["active"][sectorId]["edges"]; + }; - if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { - this.manipulationDOM['seperatorLineDiv2'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv2'].className = 'network-seperatorLine'; - this.manipulationDOM['editNodeSpan'] = document.createElement('span'); - this.manipulationDOM['editNodeSpan'].className = 'network-manipulationUI edit'; - this.manipulationDOM['editNodeLabelSpan'] = document.createElement('span'); - this.manipulationDOM['editNodeLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['editNodeLabelSpan'].innerHTML = locale['editNode']; - this.manipulationDOM['editNodeSpan'].appendChild(this.manipulationDOM['editNodeLabelSpan']); + /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. + * + * @private + */ + exports._switchToSupportSector = function() { + this.nodeIndices = this.sectors["support"]["nodeIndices"]; + this.nodes = this.sectors["support"]["nodes"]; + this.edges = this.sectors["support"]["edges"]; + }; - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv2']); - this.manipulationDiv.appendChild(this.manipulationDOM['editNodeSpan']); - } - else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { - this.manipulationDOM['seperatorLineDiv3'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv3'].className = 'network-seperatorLine'; - this.manipulationDOM['editEdgeSpan'] = document.createElement('span'); - this.manipulationDOM['editEdgeSpan'].className = 'network-manipulationUI edit'; - this.manipulationDOM['editEdgeLabelSpan'] = document.createElement('span'); - this.manipulationDOM['editEdgeLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['editEdgeLabelSpan'].innerHTML = locale['editEdge']; - this.manipulationDOM['editEdgeSpan'].appendChild(this.manipulationDOM['editEdgeLabelSpan']); + /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied frozen sector. + * + * @param sectorId + * @private + */ + exports._switchToFrozenSector = function(sectorId) { + this.nodeIndices = this.sectors["frozen"][sectorId]["nodeIndices"]; + this.nodes = this.sectors["frozen"][sectorId]["nodes"]; + this.edges = this.sectors["frozen"][sectorId]["edges"]; + }; - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv3']); - this.manipulationDiv.appendChild(this.manipulationDOM['editEdgeSpan']); - } - if (this._selectionIsEmpty() == false) { - this.manipulationDOM['seperatorLineDiv4'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv4'].className = 'network-seperatorLine'; - this.manipulationDOM['deleteSpan'] = document.createElement('span'); - this.manipulationDOM['deleteSpan'].className = 'network-manipulationUI delete'; - this.manipulationDOM['deleteLabelSpan'] = document.createElement('span'); - this.manipulationDOM['deleteLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['deleteLabelSpan'].innerHTML = locale['del']; - this.manipulationDOM['deleteSpan'].appendChild(this.manipulationDOM['deleteLabelSpan']); + /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the currently active sector. + * + * @private + */ + exports._loadLatestSector = function() { + this._switchToSector(this._sector()); + }; - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv4']); - this.manipulationDiv.appendChild(this.manipulationDOM['deleteSpan']); - } + /** + * This function returns the currently active sector Id + * + * @returns {String} + * @private + */ + exports._sector = function() { + return this.activeSector[this.activeSector.length-1]; + }; - // bind the icons - this.manipulationDOM['addNodeSpan'].onclick = this._createAddNodeToolbar.bind(this); - this.manipulationDOM['addEdgeSpan'].onclick = this._createAddEdgeToolbar.bind(this); - if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { - this.manipulationDOM['editNodeSpan'].onclick = this._editNode.bind(this); - } - else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { - this.manipulationDOM['editEdgeSpan'].onclick = this._createEditEdgeToolbar.bind(this); - } - if (this._selectionIsEmpty() == false) { - this.manipulationDOM['deleteSpan'].onclick = this._deleteSelected.bind(this); - } - this.closeDiv.onclick = this._toggleEditMode.bind(this); - var me = this; - this.boundFunction = me._createManipulatorBar; - this.on('select', this.boundFunction); + /** + * This function returns the previously active sector Id + * + * @returns {String} + * @private + */ + exports._previousSector = function() { + if (this.activeSector.length > 1) { + return this.activeSector[this.activeSector.length-2]; } else { - while (this.editModeDiv.hasChildNodes()) { - this.editModeDiv.removeChild(this.editModeDiv.firstChild); - } - - this.manipulationDOM['editModeSpan'] = document.createElement('span'); - this.manipulationDOM['editModeSpan'].className = 'network-manipulationUI edit editmode'; - this.manipulationDOM['editModeLabelSpan'] = document.createElement('span'); - this.manipulationDOM['editModeLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['editModeLabelSpan'].innerHTML = locale['edit']; - this.manipulationDOM['editModeSpan'].appendChild(this.manipulationDOM['editModeLabelSpan']); - - this.editModeDiv.appendChild(this.manipulationDOM['editModeSpan']); - - this.manipulationDOM['editModeSpan'].onclick = this._toggleEditMode.bind(this); + throw new TypeError('there are not enough sectors in the this.activeSector array.'); } }; - /** - * Create the toolbar for adding Nodes + * We add the active sector at the end of the this.activeSector array + * This ensures it is the currently active sector returned by _sector() and it reaches the top + * of the activeSector stack. When we reverse our steps we move from the end to the beginning of this stack. * + * @param newId * @private */ - exports._createAddNodeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - if (this.boundFunction) { - this.off('select', this.boundFunction); - } - - var locale = this.constants.locales[this.constants.locale]; - - this.manipulationDOM = {}; - this.manipulationDOM['backSpan'] = document.createElement('span'); - this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; - this.manipulationDOM['backLabelSpan'] = document.createElement('span'); - this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; - this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']); - - this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; - - this.manipulationDOM['descriptionSpan'] = document.createElement('span'); - this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; - this.manipulationDOM['descriptionLabelSpan'] = document.createElement('span'); - this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['addDescription']; - this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']); - - this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); - this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); + exports._setActiveSector = function(newId) { + this.activeSector.push(newId); + }; - // bind the icon - this.manipulationDOM['backSpan'].onclick = this._createManipulatorBar.bind(this); - // we use the boundFunction so we can reference it when we unbind it from the "select" event. - var me = this; - this.boundFunction = me._addNode; - this.on('select', this.boundFunction); + /** + * We remove the currently active sector id from the active sector stack. This happens when + * we reactivate the previously active sector + * + * @private + */ + exports._forgetLastSector = function() { + this.activeSector.pop(); }; /** - * create the toolbar to connect nodes + * This function creates a new active sector with the supplied newId. This newId + * is the expanding node id. * + * @param {String} newId | Id of the new active sector * @private */ - exports._createAddEdgeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - this._unselectAll(true); - this.freezeSimulation = true; + exports._createNewSector = function(newId) { + // create the new sector + this.sectors["active"][newId] = {"nodes":{}, + "edges":{}, + "nodeIndices":[], + "formationScale": this.scale, + "drawingNode": undefined}; - if (this.boundFunction) { - this.off('select', this.boundFunction); - } + // create the new sector render node. This gives visual feedback that you are in a new sector. + this.sectors["active"][newId]['drawingNode'] = new Node( + {id:newId, + color: { + background: "#eaefef", + border: "495c5e" + } + },{},{},this.constants); + this.sectors["active"][newId]['drawingNode'].clusterSize = 2; + }; - var locale = this.constants.locales[this.constants.locale]; - this._unselectAll(); - this.forceAppendSelection = false; - this.blockConnectingEdgeSelection = true; + /** + * This function removes the currently active sector. This is called when we create a new + * active sector. + * + * @param {String} sectorId | Id of the active sector that will be removed + * @private + */ + exports._deleteActiveSector = function(sectorId) { + delete this.sectors["active"][sectorId]; + }; - this.manipulationDOM = {}; - this.manipulationDOM['backSpan'] = document.createElement('span'); - this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; - this.manipulationDOM['backLabelSpan'] = document.createElement('span'); - this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; - this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']); - this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; + /** + * This function removes the currently active sector. This is called when we reactivate + * the previously active sector. + * + * @param {String} sectorId | Id of the active sector that will be removed + * @private + */ + exports._deleteFrozenSector = function(sectorId) { + delete this.sectors["frozen"][sectorId]; + }; - this.manipulationDOM['descriptionSpan'] = document.createElement('span'); - this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; - this.manipulationDOM['descriptionLabelSpan'] = document.createElement('span'); - this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['edgeDescription']; - this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']); - this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); - this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); + /** + * Freezing an active sector means moving it from the "active" object to the "frozen" object. + * We copy the references, then delete the active entree. + * + * @param sectorId + * @private + */ + exports._freezeSector = function(sectorId) { + // we move the set references from the active to the frozen stack. + this.sectors["frozen"][sectorId] = this.sectors["active"][sectorId]; - // bind the icon - this.manipulationDOM['backSpan'].onclick = this._createManipulatorBar.bind(this); + // we have moved the sector data into the frozen set, we now remove it from the active set + this._deleteActiveSector(sectorId); + }; - // we use the boundFunction so we can reference it when we unbind it from the "select" event. - var me = this; - this.boundFunction = me._handleConnect; - this.on('select', this.boundFunction); - // temporarily overload functions - this.cachedFunctions["_handleTouch"] = this._handleTouch; - this.cachedFunctions["_manipulationReleaseOverload"] = this._manipulationReleaseOverload; - this.cachedFunctions["_handleDragStart"] = this._handleDragStart; - this.cachedFunctions["_handleDragEnd"] = this._handleDragEnd; - this._handleTouch = this._handleConnect; - this._manipulationReleaseOverload = function () {}; - this._handleDragStart = function () {}; - this._handleDragEnd = this._finishConnect; + /** + * This is the reverse operation of _freezeSector. Activating means moving the sector from the "frozen" + * object to the "active" object. + * + * @param sectorId + * @private + */ + exports._activateSector = function(sectorId) { + // we move the set references from the frozen to the active stack. + this.sectors["active"][sectorId] = this.sectors["frozen"][sectorId]; - // redraw to show the unselect - this._redraw(); + // we have moved the sector data into the active set, we now remove it from the frozen stack + this._deleteFrozenSector(sectorId); }; + /** - * create the toolbar to edit edges + * This function merges the data from the currently active sector with a frozen sector. This is used + * in the process of reverting back to the previously active sector. + * The data that is placed in the frozen (the previously active) sector is the node that has been removed from it + * upon the creation of a new active sector. * + * @param sectorId * @private */ - exports._createEditEdgeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - this.controlNodesActive = true; - - if (this.boundFunction) { - this.off('select', this.boundFunction); + exports._mergeThisWithFrozen = function(sectorId) { + // copy all nodes + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.sectors["frozen"][sectorId]["nodes"][nodeId] = this.nodes[nodeId]; + } } - this.edgeBeingEdited = this._getSelectedEdge(); - this.edgeBeingEdited._enableControlNodes(); - - var locale = this.constants.locales[this.constants.locale]; - - this.manipulationDOM = {}; - this.manipulationDOM['backSpan'] = document.createElement('span'); - this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; - this.manipulationDOM['backLabelSpan'] = document.createElement('span'); - this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; - this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']); - - this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; - - this.manipulationDOM['descriptionSpan'] = document.createElement('span'); - this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; - this.manipulationDOM['descriptionLabelSpan'] = document.createElement('span'); - this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['editEdgeDescription']; - this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']); - - this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); - this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); - - // bind the icon - this.manipulationDOM['backSpan'].onclick = this._createManipulatorBar.bind(this); - - // temporarily overload functions - this.cachedFunctions["_handleTouch"] = this._handleTouch; - this.cachedFunctions["_manipulationReleaseOverload"] = this._manipulationReleaseOverload; - this.cachedFunctions["_handleTap"] = this._handleTap; - this.cachedFunctions["_handleDragStart"] = this._handleDragStart; - this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag; - this._handleTouch = this._selectControlNode; - this._handleTap = function () {}; - this._handleOnDrag = this._controlNodeDrag; - this._handleDragStart = function () {} - this._manipulationReleaseOverload = this._releaseControlNode; + // copy all edges (if not fully clustered, else there are no edges) + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + this.sectors["frozen"][sectorId]["edges"][edgeId] = this.edges[edgeId]; + } + } - // redraw to show the unselect - this._redraw(); + // merge the nodeIndices + for (var i = 0; i < this.nodeIndices.length; i++) { + this.sectors["frozen"][sectorId]["nodeIndices"].push(this.nodeIndices[i]); + } }; /** - * the function bound to the selection event. It checks if you want to connect a cluster and changes the description - * to walk the user through the process. + * This clusters the sector to one cluster. It was a single cluster before this process started so + * we revert to that state. The clusterToFit function with a maximum size of 1 node does this. * * @private */ - exports._selectControlNode = function(pointer) { - this.edgeBeingEdited.controlNodes.from.unselect(); - this.edgeBeingEdited.controlNodes.to.unselect(); - this.selectedControlNode = this.edgeBeingEdited._getSelectedControlNode(this._XconvertDOMtoCanvas(pointer.x),this._YconvertDOMtoCanvas(pointer.y)); - if (this.selectedControlNode !== null) { - this.selectedControlNode.select(); - this.freezeSimulation = true; - } - this._redraw(); + exports._collapseThisToSingleCluster = function() { + this.clusterToFit(1,false); }; /** - * the function bound to the selection event. It checks if you want to connect a cluster and changes the description - * to walk the user through the process. + * We create a new active sector from the node that we want to open. * + * @param node * @private */ - exports._controlNodeDrag = function(event) { - var pointer = this._getPointer(event.gesture.center); - if (this.selectedControlNode !== null && this.selectedControlNode !== undefined) { - this.selectedControlNode.x = this._XconvertDOMtoCanvas(pointer.x); - this.selectedControlNode.y = this._YconvertDOMtoCanvas(pointer.y); - } - this._redraw(); - }; + exports._addSector = function(node) { + // this is the currently active sector + var sector = this._sector(); + + // // this should allow me to select nodes from a frozen set. + // if (this.sectors['active'][sector]["nodes"].hasOwnProperty(node.id)) { + // console.log("the node is part of the active sector"); + // } + // else { + // console.log("I dont know what the fuck happened!!"); + // } + + // when we switch to a new sector, we remove the node that will be expanded from the current nodes list. + delete this.nodes[node.id]; + + var unqiueIdentifier = util.randomUUID(); + + // we fully freeze the currently active sector + this._freezeSector(sector); + + // we create a new active sector. This sector has the Id of the node to ensure uniqueness + this._createNewSector(unqiueIdentifier); + + // we add the active sector to the sectors array to be able to revert these steps later on + this._setActiveSector(unqiueIdentifier); + // we redirect the global references to the new sector's references. this._sector() now returns unqiueIdentifier + this._switchToSector(this._sector()); - /** - * - * @param pointer - * @private - */ - exports._releaseControlNode = function(pointer) { - var newNode = this._getNodeAt(pointer); - if (newNode !== null) { - if (this.edgeBeingEdited.controlNodes.from.selected == true) { - this.edgeBeingEdited._restoreControlNodes(); - this._editEdge(newNode.id, this.edgeBeingEdited.to.id); - this.edgeBeingEdited.controlNodes.from.unselect(); - } - if (this.edgeBeingEdited.controlNodes.to.selected == true) { - this.edgeBeingEdited._restoreControlNodes(); - this._editEdge(this.edgeBeingEdited.from.id, newNode.id); - this.edgeBeingEdited.controlNodes.to.unselect(); - } - } - else { - this.edgeBeingEdited._restoreControlNodes(); - } - this.freezeSimulation = false; - this._redraw(); + // finally we add the node we removed from our previous active sector to the new active sector + this.nodes[node.id] = node; }; + /** - * the function bound to the selection event. It checks if you want to connect a cluster and changes the description - * to walk the user through the process. + * We close the sector that is currently open and revert back to the one before. + * If the active sector is the "default" sector, nothing happens. * * @private */ - exports._handleConnect = function(pointer) { - if (this._getSelectedNodeCount() == 0) { - var node = this._getNodeAt(pointer); + exports._collapseSector = function() { + // the currently active sector + var sector = this._sector(); - if (node != null) { - if (node.clusterSize > 1) { - alert(this.constants.locales[this.constants.locale]['createEdgeError']) - } - else { - this._selectObject(node,false); - var supportNodes = this.sectors['support']['nodes']; + // we cannot collapse the default sector + if (sector != "default") { + if ((this.nodeIndices.length == 1) || + (this.sectors["active"][sector]["drawingNode"].width*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientWidth) || + (this.sectors["active"][sector]["drawingNode"].height*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientHeight)) { + var previousSector = this._previousSector(); - // create a node the temporary line can look at - supportNodes['targetNode'] = new Node({id:'targetNode'},{},{},this.constants); - var targetNode = supportNodes['targetNode']; - targetNode.x = node.x; - targetNode.y = node.y; + // we collapse the sector back to a single cluster + this._collapseThisToSingleCluster(); - // create a temporary edge - this.edges['connectionEdge'] = new Edge({id:"connectionEdge",from:node.id,to:targetNode.id}, this, this.constants); - var connectionEdge = this.edges['connectionEdge']; - connectionEdge.from = node; - connectionEdge.connected = true; - connectionEdge.options.smoothCurves = {enabled: true, - dynamic: false, - type: "continuous", - roundness: 0.5 - }; - connectionEdge.selected = true; - connectionEdge.to = targetNode; + // we move the remaining nodes, edges and nodeIndices to the previous sector. + // This previous sector is the one we will reactivate + this._mergeThisWithFrozen(previousSector); - this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag; - this._handleOnDrag = function(event) { - var pointer = this._getPointer(event.gesture.center); - var connectionEdge = this.edges['connectionEdge']; - connectionEdge.to.x = this._XconvertDOMtoCanvas(pointer.x); - connectionEdge.to.y = this._YconvertDOMtoCanvas(pointer.y); - }; + // the previously active (frozen) sector now has all the data from the currently active sector. + // we can now delete the active sector. + this._deleteActiveSector(sector); - this.moving = true; - this.start(); - } - } - } - }; + // we activate the previously active (and currently frozen) sector. + this._activateSector(previousSector); - exports._finishConnect = function(event) { - if (this._getSelectedNodeCount() == 1) { - var pointer = this._getPointer(event.gesture.center); - // restore the drag function - this._handleOnDrag = this.cachedFunctions["_handleOnDrag"]; - delete this.cachedFunctions["_handleOnDrag"]; + // we load the references from the newly active sector into the global references + this._switchToSector(previousSector); - // remember the edge id - var connectFromId = this.edges['connectionEdge'].fromId; + // we forget the previously active sector because we reverted to the one before + this._forgetLastSector(); - // remove the temporary nodes and edge - delete this.edges['connectionEdge']; - delete this.sectors['support']['nodes']['targetNode']; - delete this.sectors['support']['nodes']['targetViaNode']; + // finally, we update the node index list. + this._updateNodeIndexList(); - var node = this._getNodeAt(pointer); - if (node != null) { - if (node.clusterSize > 1) { - alert(this.constants.locales[this.constants.locale]["createEdgeError"]) - } - else { - this._createEdge(connectFromId,node.id); - this._createManipulatorBar(); - } + // we refresh the list with calulation nodes and calculation node indices. + this._updateCalculationNodes(); } - this._unselectAll(); } }; /** - * Adds a node on the specified location + * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). + * + * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors + * | we dont pass the function itself because then the "this" is the window object + * | instead of the Network object + * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @private */ - exports._addNode = function() { - if (this._selectionIsEmpty() && this.editMode == true) { - var positionObject = this._pointerToPositionObject(this.pointerPosition); - var defaultData = {id:util.randomUUID(),x:positionObject.left,y:positionObject.top,label:"new",allowedToMoveX:true,allowedToMoveY:true}; - if (this.triggerFunctions.add) { - if (this.triggerFunctions.add.length == 2) { - var me = this; - this.triggerFunctions.add(defaultData, function(finalizedData) { - me.nodesData.add(finalizedData); - me._createManipulatorBar(); - me.moving = true; - me.start(); - }); - } - else { - throw new Error('The function for add does not support two arguments (data,callback)'); - this._createManipulatorBar(); - this.moving = true; - this.start(); + exports._doInAllActiveSectors = function(runFunction,argument) { + var returnValues = []; + if (argument === undefined) { + for (var sector in this.sectors["active"]) { + if (this.sectors["active"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToActiveSector(sector); + returnValues.push( this[runFunction]() ); } } - else { - this.nodesData.add(defaultData); - this._createManipulatorBar(); - this.moving = true; - this.start(); + } + else { + for (var sector in this.sectors["active"]) { + if (this.sectors["active"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToActiveSector(sector); + var args = Array.prototype.splice.call(arguments, 1); + if (args.length > 1) { + returnValues.push( this[runFunction](args[0],args[1]) ); + } + else { + returnValues.push( this[runFunction](argument) ); + } + } } } + // we revert the global references back to our active sector + this._loadLatestSector(); + return returnValues; }; /** - * connect two nodes with a new edge. + * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). * + * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors + * | we dont pass the function itself because then the "this" is the window object + * | instead of the Network object + * @param {*} [argument] | Optional: arguments to pass to the runFunction * @private */ - exports._createEdge = function(sourceNodeId,targetNodeId) { - if (this.editMode == true) { - var defaultData = {from:sourceNodeId, to:targetNodeId}; - if (this.triggerFunctions.connect) { - if (this.triggerFunctions.connect.length == 2) { - var me = this; - this.triggerFunctions.connect(defaultData, function(finalizedData) { - me.edgesData.add(finalizedData); - me.moving = true; - me.start(); - }); - } - else { - throw new Error('The function for connect does not support two arguments (data,callback)'); - this.moving = true; - this.start(); - } + exports._doInSupportSector = function(runFunction,argument) { + var returnValues = false; + if (argument === undefined) { + this._switchToSupportSector(); + returnValues = this[runFunction](); + } + else { + this._switchToSupportSector(); + var args = Array.prototype.splice.call(arguments, 1); + if (args.length > 1) { + returnValues = this[runFunction](args[0],args[1]); } else { - this.edgesData.add(defaultData); - this.moving = true; - this.start(); + returnValues = this[runFunction](argument); } } + // we revert the global references back to our active sector + this._loadLatestSector(); + return returnValues; }; + /** - * connect two nodes with a new edge. + * This runs a function in all frozen sectors. This is used in the _redraw(). * + * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors + * | we don't pass the function itself because then the "this" is the window object + * | instead of the Network object + * @param {*} [argument] | Optional: arguments to pass to the runFunction * @private */ - exports._editEdge = function(sourceNodeId,targetNodeId) { - if (this.editMode == true) { - var defaultData = {id: this.edgeBeingEdited.id, from:sourceNodeId, to:targetNodeId}; - if (this.triggerFunctions.editEdge) { - if (this.triggerFunctions.editEdge.length == 2) { - var me = this; - this.triggerFunctions.editEdge(defaultData, function(finalizedData) { - me.edgesData.update(finalizedData); - me.moving = true; - me.start(); - }); - } - else { - throw new Error('The function for edit does not support two arguments (data, callback)'); - this.moving = true; - this.start(); + exports._doInAllFrozenSectors = function(runFunction,argument) { + if (argument === undefined) { + for (var sector in this.sectors["frozen"]) { + if (this.sectors["frozen"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToFrozenSector(sector); + this[runFunction](); } } - else { - this.edgesData.update(defaultData); - this.moving = true; - this.start(); + } + else { + for (var sector in this.sectors["frozen"]) { + if (this.sectors["frozen"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToFrozenSector(sector); + var args = Array.prototype.splice.call(arguments, 1); + if (args.length > 1) { + this[runFunction](args[0],args[1]); + } + else { + this[runFunction](argument); + } + } } } + this._loadLatestSector(); }; + /** - * Create the toolbar to edit the selected node. The label and the color can be changed. Other colors are derived from the chosen color. + * This runs a function in all sectors. This is used in the _redraw(). * + * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors + * | we don't pass the function itself because then the "this" is the window object + * | instead of the Network object + * @param {*} [argument] | Optional: arguments to pass to the runFunction * @private */ - exports._editNode = function() { - if (this.triggerFunctions.edit && this.editMode == true) { - var node = this._getSelectedNode(); - var data = {id:node.id, - label: node.label, - group: node.options.group, - shape: node.options.shape, - color: { - background:node.options.color.background, - border:node.options.color.border, - highlight: { - background:node.options.color.highlight.background, - border:node.options.color.highlight.border - } - }}; - if (this.triggerFunctions.edit.length == 2) { - var me = this; - this.triggerFunctions.edit(data, function (finalizedData) { - me.nodesData.update(finalizedData); - me._createManipulatorBar(); - me.moving = true; - me.start(); - }); + exports._doInAllSectors = function(runFunction,argument) { + var args = Array.prototype.splice.call(arguments, 1); + if (argument === undefined) { + this._doInAllActiveSectors(runFunction); + this._doInAllFrozenSectors(runFunction); + } + else { + if (args.length > 1) { + this._doInAllActiveSectors(runFunction,args[0],args[1]); + this._doInAllFrozenSectors(runFunction,args[0],args[1]); } else { - throw new Error('The function for edit does not support two arguments (data, callback)'); + this._doInAllActiveSectors(runFunction,argument); + this._doInAllFrozenSectors(runFunction,argument); } } - else { - throw new Error('No edit function has been bound to this button'); - } }; + /** + * This clears the nodeIndices list. We cannot use this.nodeIndices = [] because we would break the link with the + * active sector. Thus we clear the nodeIndices in the active sector, then reconnect the this.nodeIndices to it. + * + * @private + */ + exports._clearNodeIndexList = function() { + var sector = this._sector(); + this.sectors["active"][sector]["nodeIndices"] = []; + this.nodeIndices = this.sectors["active"][sector]["nodeIndices"]; + }; /** - * delete everything in the selection + * Draw the encompassing sector node * + * @param ctx + * @param sectorType * @private */ - exports._deleteSelected = function() { - if (!this._selectionIsEmpty() && this.editMode == true) { - if (!this._clusterInSelection()) { - var selectedNodes = this.getSelectedNodes(); - var selectedEdges = this.getSelectedEdges(); - if (this.triggerFunctions.del) { - var me = this; - var data = {nodes: selectedNodes, edges: selectedEdges}; - if (this.triggerFunctions.del.length == 2) { - this.triggerFunctions.del(data, function (finalizedData) { - me.edgesData.remove(finalizedData.edges); - me.nodesData.remove(finalizedData.nodes); - me._unselectAll(); - me.moving = true; - me.start(); - }); - } - else { - throw new Error('The function for delete does not support two arguments (data, callback)') + exports._drawSectorNodes = function(ctx,sectorType) { + var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; + for (var sector in this.sectors[sectorType]) { + if (this.sectors[sectorType].hasOwnProperty(sector)) { + if (this.sectors[sectorType][sector]["drawingNode"] !== undefined) { + + this._switchToSector(sector,sectorType); + + minY = 1e9; maxY = -1e9; minX = 1e9; maxX = -1e9; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + node.resize(ctx); + if (minX > node.x - 0.5 * node.width) {minX = node.x - 0.5 * node.width;} + if (maxX < node.x + 0.5 * node.width) {maxX = node.x + 0.5 * node.width;} + if (minY > node.y - 0.5 * node.height) {minY = node.y - 0.5 * node.height;} + if (maxY < node.y + 0.5 * node.height) {maxY = node.y + 0.5 * node.height;} + } } + node = this.sectors[sectorType][sector]["drawingNode"]; + node.x = 0.5 * (maxX + minX); + node.y = 0.5 * (maxY + minY); + node.width = 2 * (node.x - minX); + node.height = 2 * (node.y - minY); + node.options.radius = Math.sqrt(Math.pow(0.5*node.width,2) + Math.pow(0.5*node.height,2)); + node.setScale(this.scale); + node._drawCircle(ctx); } - else { - this.edgesData.remove(selectedEdges); - this.nodesData.remove(selectedNodes); - this._unselectAll(); - this.moving = true; - this.start(); - } - } - else { - alert(this.constants.locales[this.constants.locale]["deleteClusterError"]); } } }; + exports._drawAllSectorNodes = function(ctx) { + this._drawSectorNodes(ctx,"frozen"); + this._drawSectorNodes(ctx,"active"); + this._loadLatestSector(); + }; + /***/ }, -/* 64 */ +/* 66 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var Hammer = __webpack_require__(45); + var Node = __webpack_require__(56); - exports._cleanNavigation = function() { - // clean hammer bindings - if (this.navigationHammers.existing.length != 0) { - for (var i = 0; i < this.navigationHammers.existing.length; i++) { - this.navigationHammers.existing[i].dispose(); + /** + * This function can be called from the _doInAllSectors function + * + * @param object + * @param overlappingNodes + * @private + */ + exports._getNodesOverlappingWith = function(object, overlappingNodes) { + var nodes = this.nodes; + for (var nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + if (nodes[nodeId].isOverlappingWith(object)) { + overlappingNodes.push(nodeId); + } } - this.navigationHammers.existing = []; } + }; - this._navigationReleaseOverload = function () {}; - - // clean up previous navigation items - if (this.navigationDivs && this.navigationDivs['wrapper'] && this.navigationDivs['wrapper'].parentNode) { - this.navigationDivs['wrapper'].parentNode.removeChild(this.navigationDivs['wrapper']); - } + /** + * retrieve all nodes overlapping with given object + * @param {Object} object An object with parameters left, top, right, bottom + * @return {Number[]} An array with id's of the overlapping nodes + * @private + */ + exports._getAllNodesOverlappingWith = function (object) { + var overlappingNodes = []; + this._doInAllActiveSectors("_getNodesOverlappingWith",object,overlappingNodes); + return overlappingNodes; }; + /** - * Creation of the navigation controls nodes. They are drawn over the rest of the nodes and are not affected by scale and translation - * they have a triggerFunction which is called on click. If the position of the navigation controls is dependent - * on this.frame.canvas.clientWidth or this.frame.canvas.clientHeight, we flag horizontalAlignLeft and verticalAlignTop false. - * This means that the location will be corrected by the _relocateNavigation function on a size change of the canvas. + * Return a position object in canvasspace from a single point in screenspace * + * @param pointer + * @returns {{left: number, top: number, right: number, bottom: number}} * @private */ - exports._loadNavigationElements = function() { - this._cleanNavigation(); + exports._pointerToPositionObject = function(pointer) { + var x = this._XconvertDOMtoCanvas(pointer.x); + var y = this._YconvertDOMtoCanvas(pointer.y); - this.navigationDivs = {}; - var navigationDivs = ['up','down','left','right','zoomIn','zoomOut','zoomExtends']; - var navigationDivActions = ['_moveUp','_moveDown','_moveLeft','_moveRight','_zoomIn','_zoomOut','_zoomExtent']; + return { + left: x, + top: y, + right: x, + bottom: y + }; + }; - this.navigationDivs['wrapper'] = document.createElement('div'); - this.frame.appendChild(this.navigationDivs['wrapper']); - for (var i = 0; i < navigationDivs.length; i++) { - this.navigationDivs[navigationDivs[i]] = document.createElement('div'); - this.navigationDivs[navigationDivs[i]].className = 'network-navigation ' + navigationDivs[i]; - this.navigationDivs['wrapper'].appendChild(this.navigationDivs[navigationDivs[i]]); + /** + * Get the top node at the a specific point (like a click) + * + * @param {{x: Number, y: Number}} pointer + * @return {Node | null} node + * @private + */ + exports._getNodeAt = function (pointer) { + // we first check if this is an navigation controls element + var positionObject = this._pointerToPositionObject(pointer); + var overlappingNodes = this._getAllNodesOverlappingWith(positionObject); - var hammer = Hammer(this.navigationDivs[navigationDivs[i]], {prevent_default: true}); - hammer.on('touch', this[navigationDivActions[i]].bind(this)); - this.navigationHammers._new.push(hammer); + // if there are overlapping nodes, select the last one, this is the + // one which is drawn on top of the others + if (overlappingNodes.length > 0) { + return this.nodes[overlappingNodes[overlappingNodes.length - 1]]; + } + else { + return null; } + }; - this._navigationReleaseOverload = this._stopMovement; - this.navigationHammers.existing = this.navigationHammers._new; + /** + * retrieve all edges overlapping with given object, selector is around center + * @param {Object} object An object with parameters left, top, right, bottom + * @return {Number[]} An array with id's of the overlapping nodes + * @private + */ + exports._getEdgesOverlappingWith = function (object, overlappingEdges) { + var edges = this.edges; + for (var edgeId in edges) { + if (edges.hasOwnProperty(edgeId)) { + if (edges[edgeId].isOverlappingWith(object)) { + overlappingEdges.push(edgeId); + } + } + } + }; + + + /** + * retrieve all nodes overlapping with given object + * @param {Object} object An object with parameters left, top, right, bottom + * @return {Number[]} An array with id's of the overlapping nodes + * @private + */ + exports._getAllEdgesOverlappingWith = function (object) { + var overlappingEdges = []; + this._doInAllActiveSectors("_getEdgesOverlappingWith",object,overlappingEdges); + return overlappingEdges; }; - /** - * this stops all movement induced by the navigation buttons + * Place holder. To implement change the _getNodeAt to a _getObjectAt. Have the _getObjectAt call + * _getNodeAt and _getEdgesAt, then priortize the selection to user preferences. * + * @param pointer + * @returns {null} * @private */ - exports._zoomExtent = function(event) { - this.zoomExtent({duration:700}); - event.stopPropagation(); + exports._getEdgeAt = function(pointer) { + var positionObject = this._pointerToPositionObject(pointer); + var overlappingEdges = this._getAllEdgesOverlappingWith(positionObject); + + if (overlappingEdges.length > 0) { + return this.edges[overlappingEdges[overlappingEdges.length - 1]]; + } + else { + return null; + } }; + /** - * this stops all movement induced by the navigation buttons + * Add object to the selection array. * + * @param obj * @private */ - exports._stopMovement = function() { - this._xStopMoving(); - this._yStopMoving(); - this._stopZoom(); + exports._addToSelection = function(obj) { + if (obj instanceof Node) { + this.selectionObj.nodes[obj.id] = obj; + } + else { + this.selectionObj.edges[obj.id] = obj; + } }; - /** - * move the screen up - * By using the increments, instead of adding a fixed number to the translation, we keep fluent and - * instant movement. The onKeypress event triggers immediately, then pauses, then triggers frequently - * To avoid this behaviour, we do the translation in the start loop. + * Add object to the selection array. * + * @param obj * @private */ - exports._moveUp = function(event) { - this.yIncrement = this.constants.keyboard.speed.y; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); + exports._addToHover = function(obj) { + if (obj instanceof Node) { + this.hoverObj.nodes[obj.id] = obj; + } + else { + this.hoverObj.edges[obj.id] = obj; + } }; /** - * move the screen down + * Remove a single option from selection. + * + * @param {Object} obj * @private */ - exports._moveDown = function(event) { - this.yIncrement = -this.constants.keyboard.speed.y; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); + exports._removeFromSelection = function(obj) { + if (obj instanceof Node) { + delete this.selectionObj.nodes[obj.id]; + } + else { + delete this.selectionObj.edges[obj.id]; + } }; - /** - * move the screen left + * Unselect all. The selectionObj is useful for this. + * + * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._moveLeft = function(event) { - this.xIncrement = this.constants.keyboard.speed.x; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); - }; + exports._unselectAll = function(doNotTrigger) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + this.selectionObj.nodes[nodeId].unselect(); + } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + this.selectionObj.edges[edgeId].unselect(); + } + } + this.selectionObj = {nodes:{},edges:{}}; + + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } + }; /** - * move the screen right + * Unselect all clusters. The selectionObj is useful for this. + * + * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._moveRight = function(event) { - this.xIncrement = -this.constants.keyboard.speed.y; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); + exports._unselectClusters = function(doNotTrigger) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } + + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + if (this.selectionObj.nodes[nodeId].clusterSize > 1) { + this.selectionObj.nodes[nodeId].unselect(); + this._removeFromSelection(this.selectionObj.nodes[nodeId]); + } + } + } + + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } }; /** - * Zoom in, using the same method as the movement. + * return the number of selected nodes + * + * @returns {number} * @private */ - exports._zoomIn = function(event) { - this.zoomIncrement = this.constants.keyboard.speed.zoom; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); + exports._getSelectedNodeCount = function() { + var count = 0; + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + count += 1; + } + } + return count; }; - /** - * Zoom out + * return the selected node + * + * @returns {number} * @private */ - exports._zoomOut = function(event) { - this.zoomIncrement = -this.constants.keyboard.speed.zoom; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); + exports._getSelectedNode = function() { + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + return this.selectionObj.nodes[nodeId]; + } + } + return null; }; - /** - * Stop zooming and unhighlight the zoom controls + * return the selected edge + * + * @returns {number} * @private */ - exports._stopZoom = function(event) { - this.zoomIncrement = 0; - event && event.preventDefault(); + exports._getSelectedEdge = function() { + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + return this.selectionObj.edges[edgeId]; + } + } + return null; }; /** - * Stop moving in the Y direction and unHighlight the up and down + * return the number of selected edges + * + * @returns {number} * @private */ - exports._yStopMoving = function(event) { - this.yIncrement = 0; - event && event.preventDefault(); + exports._getSelectedEdgeCount = function() { + var count = 0; + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + count += 1; + } + } + return count; }; /** - * Stop moving in the X direction and unHighlight left and right. + * return the number of selected objects. + * + * @returns {number} * @private */ - exports._xStopMoving = function(event) { - this.xIncrement = 0; - event && event.preventDefault(); - }; - - -/***/ }, -/* 65 */ -/***/ function(module, exports, __webpack_require__) { - - exports._resetLevels = function() { - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - var node = this.nodes[nodeId]; - if (node.preassignedLevel == false) { - node.level = -1; - node.hierarchyEnumerated = false; - } + exports._getSelectedObjectCount = function() { + var count = 0; + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + count += 1; + } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + count += 1; } } + return count; }; /** - * This is the main function to layout the nodes in a hierarchical way. - * It checks if the node details are supplied correctly + * Check if anything is selected * + * @returns {boolean} * @private */ - exports._setupHierarchicalLayout = function() { - if (this.constants.hierarchicalLayout.enabled == true && this.nodeIndices.length > 0) { - // get the size of the largest hubs and check if the user has defined a level for a node. - var hubsize = 0; - var node, nodeId; - var definedLevel = false; - var undefinedLevel = false; - - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.level != -1) { - definedLevel = true; - } - else { - undefinedLevel = true; - } - if (hubsize < node.edges.length) { - hubsize = node.edges.length; - } - } + exports._selectionIsEmpty = function() { + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + return false; } - - // if the user defined some levels but not all, alert and run without hierarchical layout - if (undefinedLevel == true && definedLevel == true) { - throw new Error("To use the hierarchical layout, nodes require either no predefined levels or levels have to be defined for all nodes."); - this.zoomExtent(undefined,true,this.constants.clustering.enabled); - if (!this.constants.clustering.enabled) { - this.start(); - } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + return false; } - else { - // setup the system to use hierarchical method. - this._changeConstants(); + } + return true; + }; - // define levels if undefined by the users. Based on hubsize - if (undefinedLevel == true) { - if (this.constants.hierarchicalLayout.layout == "hubsize") { - this._determineLevels(hubsize); - } - else { - this._determineLevelsDirected(false); - } + /** + * check if one of the selected nodes is a cluster. + * + * @returns {boolean} + * @private + */ + exports._clusterInSelection = function() { + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + if (this.selectionObj.nodes[nodeId].clusterSize > 1) { + return true; } - // check the distribution of the nodes per level. - var distribution = this._getDistribution(); - - // place the nodes on the canvas. This also stablilizes the system. - this._placeNodesByHierarchy(distribution); - - // start the simulation. - this.start(); } } + return false; }; - /** - * This function places the nodes on the canvas based on the hierarchial distribution. + * select the edges connected to the node that is being selected * - * @param {Object} distribution | obtained by the function this._getDistribution() + * @param {Node} node * @private */ - exports._placeNodesByHierarchy = function(distribution) { - var nodeId, node; - - // start placing all the level 0 nodes first. Then recursively position their branches. - for (var level in distribution) { - if (distribution.hasOwnProperty(level)) { + exports._selectConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.select(); + this._addToSelection(edge); + } + }; - for (nodeId in distribution[level].nodes) { - if (distribution[level].nodes.hasOwnProperty(nodeId)) { - node = distribution[level].nodes[nodeId]; - if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { - if (node.xFixed) { - node.x = distribution[level].minPos; - node.xFixed = false; + /** + * select the edges connected to the node that is being selected + * + * @param {Node} node + * @private + */ + exports._hoverConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.hover = true; + this._addToHover(edge); + } + }; - distribution[level].minPos += distribution[level].nodeSpacing; - } - } - else { - if (node.yFixed) { - node.y = distribution[level].minPos; - node.yFixed = false; - distribution[level].minPos += distribution[level].nodeSpacing; - } - } - this._placeBranchNodes(node.edges,node.id,distribution,node.level); - } - } - } + /** + * unselect the edges connected to the node that is being selected + * + * @param {Node} node + * @private + */ + exports._unselectConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.unselect(); + this._removeFromSelection(edge); } - - // stabilize the system after positioning. This function calls zoomExtent. - this._stabilize(); }; + + /** - * This function get the distribution of levels based on hubsize + * This is called when someone clicks on a node. either select or deselect it. + * If there is an existing selection and we don't want to append to it, clear the existing selection * - * @returns {Object} + * @param {Node || Edge} object + * @param {Boolean} append + * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._getDistribution = function() { - var distribution = {}; - var nodeId, node, level; - - // we fix Y because the hierarchy is vertical, we fix X so we do not give a node an x position for a second time. - // the fix of X is removed after the x value has been set. - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - node.xFixed = true; - node.yFixed = true; - if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { - node.y = this.constants.hierarchicalLayout.levelSeparation*node.level; - } - else { - node.x = this.constants.hierarchicalLayout.levelSeparation*node.level; - } - if (distribution[node.level] === undefined) { - distribution[node.level] = {amount: 0, nodes: {}, minPos:0, nodeSpacing:0}; - } - distribution[node.level].amount += 1; - distribution[node.level].nodes[nodeId] = node; - } + exports._selectObject = function(object, append, doNotTrigger, highlightEdges, overrideSelectable) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } + if (highlightEdges === undefined) { + highlightEdges = true; } - // determine the largest amount of nodes of all levels - var maxCount = 0; - for (level in distribution) { - if (distribution.hasOwnProperty(level)) { - if (maxCount < distribution[level].amount) { - maxCount = distribution[level].amount; - } - } + if (this._selectionIsEmpty() == false && append == false && this.forceAppendSelection == false) { + this._unselectAll(true); } - // set the initial position and spacing of each nodes accordingly - for (level in distribution) { - if (distribution.hasOwnProperty(level)) { - distribution[level].nodeSpacing = (maxCount + 1) * this.constants.hierarchicalLayout.nodeSpacing; - distribution[level].nodeSpacing /= (distribution[level].amount + 1); - distribution[level].minPos = distribution[level].nodeSpacing - (0.5 * (distribution[level].amount + 1) * distribution[level].nodeSpacing); + // selectable allows the object to be selected. Override can be used if needed to bypass this. + if (object.selected == false && (this.constants.selectable == true || overrideSelectable)) { + object.select(); + this._addToSelection(object); + if (object instanceof Node && this.blockConnectingEdgeSelection == false && highlightEdges == true) { + this._selectConnectedEdges(object); } } + // do not select the object if selectable is false, only add it to selection to allow drag to work + else if (object.selected == false) { + this._addToSelection(object); + doNotTrigger = true; + } + else { + object.unselect(); + this._removeFromSelection(object); + } - return distribution; + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } }; /** - * this function allocates nodes in levels based on the recursive branching from the largest hubs. + * This is called when someone clicks on a node. either select or deselect it. + * If there is an existing selection and we don't want to append to it, clear the existing selection * - * @param hubsize + * @param {Node || Edge} object * @private */ - exports._determineLevels = function(hubsize) { - var nodeId, node; - - // determine hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.edges.length == hubsize) { - node.level = 0; - } - } + exports._blurObject = function(object) { + if (object.hover == true) { + object.hover = false; + this.emit("blurNode",{node:object.id}); } + }; - // branch from hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.level == 0) { - this._setLevel(1,node.edges,node.id); - } + /** + * This is called when someone clicks on a node. either select or deselect it. + * If there is an existing selection and we don't want to append to it, clear the existing selection + * + * @param {Node || Edge} object + * @private + */ + exports._hoverObject = function(object) { + if (object.hover == false) { + object.hover = true; + this._addToHover(object); + if (object instanceof Node) { + this.emit("hoverNode",{node:object.id}); } } + if (object instanceof Node) { + this._hoverConnectedEdges(object); + } }; - /** - * this function allocates nodes in levels based on the direction of the edges + * handles the selection part of the touch, only for navigation controls elements; + * Touch is triggered before tap, also before hold. Hold triggers after a while. + * This is the most responsive solution * - * @param hubsize + * @param {Object} pointer * @private */ - exports._determineLevelsDirected = function() { - var nodeId, node, firstNode; - var minLevel = 10000; + exports._handleTouch = function(pointer) { + }; - // set first node to source - firstNode = this.nodes[this.nodeIndices[0]]; - firstNode.level = minLevel; - this._setLevelDirected(minLevel,firstNode.edges,firstNode.id); - // get the minimum level - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - minLevel = node.level < minLevel ? node.level : minLevel; + /** + * handles the selection part of the tap; + * + * @param {Object} pointer + * @private + */ + exports._handleTap = function(pointer) { + var node = this._getNodeAt(pointer); + if (node != null) { + this._selectObject(node, false); + } + else { + var edge = this._getEdgeAt(pointer); + if (edge != null) { + this._selectObject(edge, false); } - } - - // subtract the minimum from the set so we have a range starting from 0 - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - node.level -= minLevel; + else { + this._unselectAll(); } } + var properties = this.getSelection(); + properties['pointer'] = { + DOM: {x: pointer.x, y: pointer.y}, + canvas: {x: this._XconvertDOMtoCanvas(pointer.x), y: this._YconvertDOMtoCanvas(pointer.y)} + } + this.emit("click", properties); + this._redraw(); }; /** - * Since hierarchical layout does not support: - * - smooth curves (based on the physics), - * - clustering (based on dynamic node counts) - * - * We disable both features so there will be no problems. + * handles the selection part of the double tap and opens a cluster if needed * + * @param {Object} pointer * @private */ - exports._changeConstants = function() { - this.constants.clustering.enabled = false; - this.constants.physics.barnesHut.enabled = false; - this.constants.physics.hierarchicalRepulsion.enabled = true; - this._loadSelectedForceSolver(); - if (this.constants.smoothCurves.enabled == true) { - this.constants.smoothCurves.dynamic = false; + exports._handleDoubleTap = function(pointer) { + var node = this._getNodeAt(pointer); + if (node != null && node !== undefined) { + // we reset the areaCenter here so the opening of the node will occur + this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), + "y" : this._YconvertDOMtoCanvas(pointer.y)}; + this.openCluster(node); } - this._configureSmoothCurves(); - - var config = this.constants.hierarchicalLayout; - config.levelSeparation = Math.abs(config.levelSeparation); - if (config.direction == "RL" || config.direction == "DU") { - config.levelSeparation *= -1; + var properties = this.getSelection(); + properties['pointer'] = { + DOM: {x: pointer.x, y: pointer.y}, + canvas: {x: this._XconvertDOMtoCanvas(pointer.x), y: this._YconvertDOMtoCanvas(pointer.y)} } + this.emit("doubleClick", properties); + }; - if (config.direction == "RL" || config.direction == "LR") { - if (this.constants.smoothCurves.enabled == true) { - this.constants.smoothCurves.type = "vertical"; - } + + /** + * Handle the onHold selection part + * + * @param pointer + * @private + */ + exports._handleOnHold = function(pointer) { + var node = this._getNodeAt(pointer); + if (node != null) { + this._selectObject(node,true); } else { - if (this.constants.smoothCurves.enabled == true) { - this.constants.smoothCurves.type = "horizontal"; + var edge = this._getEdgeAt(pointer); + if (edge != null) { + this._selectObject(edge,true); } } + this._redraw(); }; /** - * This is a recursively called function to enumerate the branches from the largest hubs and place the nodes - * on a X position that ensures there will be no overlap. + * handle the onRelease event. These functions are here for the navigation controls module + * and data manipulation module. * - * @param edges - * @param parentId - * @param distribution - * @param parentLevel - * @private + * @private */ - exports._placeBranchNodes = function(edges, parentId, distribution, parentLevel) { - for (var i = 0; i < edges.length; i++) { - var childNode = null; - if (edges[i].toId == parentId) { - childNode = edges[i].from; - } - else { - childNode = edges[i].to; - } + exports._handleOnRelease = function(pointer) { + this._manipulationReleaseOverload(pointer); + this._navigationReleaseOverload(pointer); + }; - // if a node is conneceted to another node on the same level (or higher (means lower level))!, this is not handled here. - var nodeMoved = false; - if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { - if (childNode.xFixed && childNode.level > parentLevel) { - childNode.xFixed = false; - childNode.x = distribution[childNode.level].minPos; - nodeMoved = true; - } - } - else { - if (childNode.yFixed && childNode.level > parentLevel) { - childNode.yFixed = false; - childNode.y = distribution[childNode.level].minPos; - nodeMoved = true; - } - } + exports._manipulationReleaseOverload = function (pointer) {}; + exports._navigationReleaseOverload = function (pointer) {}; - if (nodeMoved == true) { - distribution[childNode.level].minPos += distribution[childNode.level].nodeSpacing; - if (childNode.edges.length > 1) { - this._placeBranchNodes(childNode.edges,childNode.id,distribution,childNode.level); + /** + * + * retrieve the currently selected objects + * @return {{nodes: Array., edges: Array.}} selection + */ + exports.getSelection = function() { + var nodeIds = this.getSelectedNodes(); + var edgeIds = this.getSelectedEdges(); + return {nodes:nodeIds, edges:edgeIds}; + }; + + /** + * + * retrieve the currently selected nodes + * @return {String[]} selection An array with the ids of the + * selected nodes. + */ + exports.getSelectedNodes = function() { + var idArray = []; + if (this.constants.selectable == true) { + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + idArray.push(nodeId); } } } + return idArray }; - /** - * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. * - * @param level - * @param edges - * @param parentId - * @private + * retrieve the currently selected edges + * @return {Array} selection An array with the ids of the + * selected nodes. */ - exports._setLevel = function(level, edges, parentId) { - for (var i = 0; i < edges.length; i++) { - var childNode = null; - if (edges[i].toId == parentId) { - childNode = edges[i].from; - } - else { - childNode = edges[i].to; - } - if (childNode.level == -1 || childNode.level > level) { - childNode.level = level; - if (childNode.edges.length > 1) { - this._setLevel(level+1, childNode.edges, childNode.id); + exports.getSelectedEdges = function() { + var idArray = []; + if (this.constants.selectable == true) { + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + idArray.push(edgeId); } } } + return idArray; }; /** - * this function is called recursively to enumerate the branched of the first node and give each node a level based on edge direction - * - * @param level - * @param edges - * @param parentId - * @private + * select zero or more nodes DEPRICATED + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. */ - exports._setLevelDirected = function(level, edges, parentId) { - this.nodes[parentId].hierarchyEnumerated = true; - var childNode, direction; - for (var i = 0; i < edges.length; i++) { - direction = 1; - if (edges[i].toId == parentId) { - childNode = edges[i].from; - direction = -1; - } - else { - childNode = edges[i].to; - } - if (childNode.level == -1) { - childNode.level = level + direction; + exports.setSelection = function() { + console.log("setSelection is deprecated. Please use selectNodes instead.") + }; + + + /** + * select zero or more nodes with the option to highlight edges + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. + * @param {boolean} [highlightEdges] + */ + exports.selectNodes = function(selection, highlightEdges) { + var i, iMax, id; + + if (!selection || (selection.length == undefined)) + throw 'Selection must be an array with ids'; + + // first unselect any selected node + this._unselectAll(true); + + for (i = 0, iMax = selection.length; i < iMax; i++) { + id = selection[i]; + + var node = this.nodes[id]; + if (!node) { + throw new RangeError('Node with id "' + id + '" not found'); } + this._selectObject(node,true,true,highlightEdges,true); } + this.redraw(); + }; - for (var i = 0; i < edges.length; i++) { - if (edges[i].toId == parentId) {childNode = edges[i].from;} - else {childNode = edges[i].to;} - if (childNode.edges.length > 1 && childNode.hierarchyEnumerated === false) { - this._setLevelDirected(childNode.level, childNode.edges, childNode.id); + /** + * select zero or more edges + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. + */ + exports.selectEdges = function(selection) { + var i, iMax, id; + + if (!selection || (selection.length == undefined)) + throw 'Selection must be an array with ids'; + + // first unselect any selected node + this._unselectAll(true); + + for (i = 0, iMax = selection.length; i < iMax; i++) { + id = selection[i]; + + var edge = this.edges[id]; + if (!edge) { + throw new RangeError('Edge with id "' + id + '" not found'); } + this._selectObject(edge,true,true,false,true); } + this.redraw(); }; - /** - * Unfix nodes - * + * Validate the selection: remove ids of nodes which no longer exist * @private */ - exports._restoreNodes = function() { - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.nodes[nodeId].xFixed = false; - this.nodes[nodeId].yFixed = false; + exports._updateSelection = function () { + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + if (!this.nodes.hasOwnProperty(nodeId)) { + delete this.selectionObj.nodes[nodeId]; + } + } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + if (!this.edges.hasOwnProperty(edgeId)) { + delete this.selectionObj.edges[edgeId]; + } } } }; /***/ }, -/* 66 */ +/* 67 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(1); - var RepulsionMixin = __webpack_require__(68); - var HierarchialRepulsionMixin = __webpack_require__(69); - var BarnesHutMixin = __webpack_require__(70); + var Node = __webpack_require__(56); + var Edge = __webpack_require__(57); /** - * Toggling barnes Hut calculation on and off. + * clears the toolbar div element of children * * @private */ - exports._toggleBarnesHut = function () { - this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled; - this._loadSelectedForceSolver(); - this.moving = true; - this.start(); - }; + exports._clearManipulatorBar = function() { + this._recursiveDOMDelete(this.manipulationDiv); + this.manipulationDOM = {}; + this._manipulationReleaseOverload = function () {}; + delete this.sectors['support']['nodes']['targetNode']; + delete this.sectors['support']['nodes']['targetViaNode']; + this.controlNodesActive = false; + this.freezeSimulation = false; + }; /** - * This loads the node force solver based on the barnes hut or repulsion algorithm + * Manipulation UI temporarily overloads certain functions to extend or replace them. To be able to restore + * these functions to their original functionality, we saved them in this.cachedFunctions. + * This function restores these functions to their original function. * * @private */ - exports._loadSelectedForceSolver = function () { - // this overloads the this._calculateNodeForces - if (this.constants.physics.barnesHut.enabled == true) { - this._clearMixin(RepulsionMixin); - this._clearMixin(HierarchialRepulsionMixin); - - this.constants.physics.centralGravity = this.constants.physics.barnesHut.centralGravity; - this.constants.physics.springLength = this.constants.physics.barnesHut.springLength; - this.constants.physics.springConstant = this.constants.physics.barnesHut.springConstant; - this.constants.physics.damping = this.constants.physics.barnesHut.damping; - - this._loadMixin(BarnesHutMixin); + exports._restoreOverloadedFunctions = function() { + for (var functionName in this.cachedFunctions) { + if (this.cachedFunctions.hasOwnProperty(functionName)) { + this[functionName] = this.cachedFunctions[functionName]; + delete this.cachedFunctions[functionName]; + } } - else if (this.constants.physics.hierarchicalRepulsion.enabled == true) { - this._clearMixin(BarnesHutMixin); - this._clearMixin(RepulsionMixin); - - this.constants.physics.centralGravity = this.constants.physics.hierarchicalRepulsion.centralGravity; - this.constants.physics.springLength = this.constants.physics.hierarchicalRepulsion.springLength; - this.constants.physics.springConstant = this.constants.physics.hierarchicalRepulsion.springConstant; - this.constants.physics.damping = this.constants.physics.hierarchicalRepulsion.damping; + }; - this._loadMixin(HierarchialRepulsionMixin); + /** + * Enable or disable edit-mode. + * + * @private + */ + exports._toggleEditMode = function() { + this.editMode = !this.editMode; + var toolbar = this.manipulationDiv; + var closeDiv = this.closeDiv; + var editModeDiv = this.editModeDiv; + if (this.editMode == true) { + toolbar.style.display="block"; + closeDiv.style.display="block"; + editModeDiv.style.display="none"; + closeDiv.onclick = this._toggleEditMode.bind(this); } else { - this._clearMixin(BarnesHutMixin); - this._clearMixin(HierarchialRepulsionMixin); - this.barnesHutTree = undefined; - - this.constants.physics.centralGravity = this.constants.physics.repulsion.centralGravity; - this.constants.physics.springLength = this.constants.physics.repulsion.springLength; - this.constants.physics.springConstant = this.constants.physics.repulsion.springConstant; - this.constants.physics.damping = this.constants.physics.repulsion.damping; - - this._loadMixin(RepulsionMixin); + toolbar.style.display="none"; + closeDiv.style.display="none"; + editModeDiv.style.display="block"; + closeDiv.onclick = null; } + this._createManipulatorBar() }; /** - * Before calculating the forces, we check if we need to cluster to keep up performance and we check - * if there is more than one node. If it is just one node, we dont calculate anything. + * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. * * @private */ - exports._initializeForceCalculation = function () { - // stop calculation if there is only one node - if (this.nodeIndices.length == 1) { - this.nodes[this.nodeIndices[0]]._setForce(0, 0); + exports._createManipulatorBar = function() { + // remove bound functions + if (this.boundFunction) { + this.off('select', this.boundFunction); } - else { - // if there are too many nodes on screen, we cluster without repositioning - if (this.nodeIndices.length > this.constants.clustering.clusterThreshold && this.constants.clustering.enabled == true) { - this.clusterToFit(this.constants.clustering.reduceToNodes, false); - } - // we now start the force calculation - this._calculateForces(); + var locale = this.constants.locales[this.constants.locale]; + + if (this.edgeBeingEdited !== undefined) { + this.edgeBeingEdited._disableControlNodes(); + this.edgeBeingEdited = undefined; + this.selectedControlNode = null; + this.controlNodesActive = false; + this._redraw(); } - }; + // restore overloaded functions + this._restoreOverloadedFunctions(); - /** - * Calculate the external forces acting on the nodes - * Forces are caused by: edges, repulsing forces between nodes, gravity - * @private - */ - exports._calculateForces = function () { - // Gravity is required to keep separated groups from floating off - // the forces are reset to zero in this loop by using _setForce instead - // of _addForce + // resume calculation + this.freezeSimulation = false; - this._calculateGravitationalForces(); - this._calculateNodeForces(); + // reset global variables + this.blockConnectingEdgeSelection = false; + this.forceAppendSelection = false; + this.manipulationDOM = {}; - if (this.constants.physics.springConstant > 0) { - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - this._calculateSpringForcesWithSupport(); - } - else { - if (this.constants.physics.hierarchicalRepulsion.enabled == true) { - this._calculateHierarchicalSpringForces(); - } - else { - this._calculateSpringForces(); - } + if (this.editMode == true) { + while (this.manipulationDiv.hasChildNodes()) { + this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); } - } - }; + this.manipulationDOM['addNodeSpan'] = document.createElement('span'); + this.manipulationDOM['addNodeSpan'].className = 'network-manipulationUI add'; + this.manipulationDOM['addNodeLabelSpan'] = document.createElement('span'); + this.manipulationDOM['addNodeLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['addNodeLabelSpan'].innerHTML = locale['addNode']; + this.manipulationDOM['addNodeSpan'].appendChild(this.manipulationDOM['addNodeLabelSpan']); + + this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); + this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; - /** - * Smooth curves are created by adding invisible nodes in the center of the edges. These nodes are also - * handled in the calculateForces function. We then use a quadratic curve with the center node as control. - * This function joins the datanodes and invisible (called support) nodes into one object. - * We do this so we do not contaminate this.nodes with the support nodes. - * - * @private - */ - exports._updateCalculationNodes = function () { - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - this.calculationNodes = {}; - this.calculationNodeIndices = []; + this.manipulationDOM['addEdgeSpan'] = document.createElement('span'); + this.manipulationDOM['addEdgeSpan'].className = 'network-manipulationUI connect'; + this.manipulationDOM['addEdgeLabelSpan'] = document.createElement('span'); + this.manipulationDOM['addEdgeLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['addEdgeLabelSpan'].innerHTML = locale['addEdge']; + this.manipulationDOM['addEdgeSpan'].appendChild(this.manipulationDOM['addEdgeLabelSpan']); - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.calculationNodes[nodeId] = this.nodes[nodeId]; - } + this.manipulationDiv.appendChild(this.manipulationDOM['addNodeSpan']); + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); + this.manipulationDiv.appendChild(this.manipulationDOM['addEdgeSpan']); + + if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { + this.manipulationDOM['seperatorLineDiv2'] = document.createElement('div'); + this.manipulationDOM['seperatorLineDiv2'].className = 'network-seperatorLine'; + + this.manipulationDOM['editNodeSpan'] = document.createElement('span'); + this.manipulationDOM['editNodeSpan'].className = 'network-manipulationUI edit'; + this.manipulationDOM['editNodeLabelSpan'] = document.createElement('span'); + this.manipulationDOM['editNodeLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['editNodeLabelSpan'].innerHTML = locale['editNode']; + this.manipulationDOM['editNodeSpan'].appendChild(this.manipulationDOM['editNodeLabelSpan']); + + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv2']); + this.manipulationDiv.appendChild(this.manipulationDOM['editNodeSpan']); } - var supportNodes = this.sectors['support']['nodes']; - for (var supportNodeId in supportNodes) { - if (supportNodes.hasOwnProperty(supportNodeId)) { - if (this.edges.hasOwnProperty(supportNodes[supportNodeId].parentEdgeId)) { - this.calculationNodes[supportNodeId] = supportNodes[supportNodeId]; - } - else { - supportNodes[supportNodeId]._setForce(0, 0); - } - } + else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { + this.manipulationDOM['seperatorLineDiv3'] = document.createElement('div'); + this.manipulationDOM['seperatorLineDiv3'].className = 'network-seperatorLine'; + + this.manipulationDOM['editEdgeSpan'] = document.createElement('span'); + this.manipulationDOM['editEdgeSpan'].className = 'network-manipulationUI edit'; + this.manipulationDOM['editEdgeLabelSpan'] = document.createElement('span'); + this.manipulationDOM['editEdgeLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['editEdgeLabelSpan'].innerHTML = locale['editEdge']; + this.manipulationDOM['editEdgeSpan'].appendChild(this.manipulationDOM['editEdgeLabelSpan']); + + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv3']); + this.manipulationDiv.appendChild(this.manipulationDOM['editEdgeSpan']); } + if (this._selectionIsEmpty() == false) { + this.manipulationDOM['seperatorLineDiv4'] = document.createElement('div'); + this.manipulationDOM['seperatorLineDiv4'].className = 'network-seperatorLine'; - for (var idx in this.calculationNodes) { - if (this.calculationNodes.hasOwnProperty(idx)) { - this.calculationNodeIndices.push(idx); - } + this.manipulationDOM['deleteSpan'] = document.createElement('span'); + this.manipulationDOM['deleteSpan'].className = 'network-manipulationUI delete'; + this.manipulationDOM['deleteLabelSpan'] = document.createElement('span'); + this.manipulationDOM['deleteLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['deleteLabelSpan'].innerHTML = locale['del']; + this.manipulationDOM['deleteSpan'].appendChild(this.manipulationDOM['deleteLabelSpan']); + + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv4']); + this.manipulationDiv.appendChild(this.manipulationDOM['deleteSpan']); + } + + + // bind the icons + this.manipulationDOM['addNodeSpan'].onclick = this._createAddNodeToolbar.bind(this); + this.manipulationDOM['addEdgeSpan'].onclick = this._createAddEdgeToolbar.bind(this); + if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { + this.manipulationDOM['editNodeSpan'].onclick = this._editNode.bind(this); + } + else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { + this.manipulationDOM['editEdgeSpan'].onclick = this._createEditEdgeToolbar.bind(this); + } + if (this._selectionIsEmpty() == false) { + this.manipulationDOM['deleteSpan'].onclick = this._deleteSelected.bind(this); } + this.closeDiv.onclick = this._toggleEditMode.bind(this); + + var me = this; + this.boundFunction = me._createManipulatorBar; + this.on('select', this.boundFunction); } else { - this.calculationNodes = this.nodes; - this.calculationNodeIndices = this.nodeIndices; + while (this.editModeDiv.hasChildNodes()) { + this.editModeDiv.removeChild(this.editModeDiv.firstChild); + } + + this.manipulationDOM['editModeSpan'] = document.createElement('span'); + this.manipulationDOM['editModeSpan'].className = 'network-manipulationUI edit editmode'; + this.manipulationDOM['editModeLabelSpan'] = document.createElement('span'); + this.manipulationDOM['editModeLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['editModeLabelSpan'].innerHTML = locale['edit']; + this.manipulationDOM['editModeSpan'].appendChild(this.manipulationDOM['editModeLabelSpan']); + + this.editModeDiv.appendChild(this.manipulationDOM['editModeSpan']); + + this.manipulationDOM['editModeSpan'].onclick = this._toggleEditMode.bind(this); } }; + /** - * this function applies the central gravity effect to keep groups from floating off + * Create the toolbar for adding Nodes * * @private */ - exports._calculateGravitationalForces = function () { - var dx, dy, distance, node, i; - var nodes = this.calculationNodes; - var gravity = this.constants.physics.centralGravity; - var gravityForce = 0; + exports._createAddNodeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + if (this.boundFunction) { + this.off('select', this.boundFunction); + } - for (i = 0; i < this.calculationNodeIndices.length; i++) { - node = nodes[this.calculationNodeIndices[i]]; - node.damping = this.constants.physics.damping; // possibly add function to alter damping properties of clusters. - // gravity does not apply when we are in a pocket sector - if (this._sector() == "default" && gravity != 0) { - dx = -node.x; - dy = -node.y; - distance = Math.sqrt(dx * dx + dy * dy); + var locale = this.constants.locales[this.constants.locale]; - gravityForce = (distance == 0) ? 0 : (gravity / distance); - node.fx = dx * gravityForce; - node.fy = dy * gravityForce; - } - else { - node.fx = 0; - node.fy = 0; - } - } - }; + this.manipulationDOM = {}; + this.manipulationDOM['backSpan'] = document.createElement('span'); + this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; + this.manipulationDOM['backLabelSpan'] = document.createElement('span'); + this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; + this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']); + + this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); + this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; + + this.manipulationDOM['descriptionSpan'] = document.createElement('span'); + this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; + this.manipulationDOM['descriptionLabelSpan'] = document.createElement('span'); + this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['addDescription']; + this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']); + this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); + this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); + + // bind the icon + this.manipulationDOM['backSpan'].onclick = this._createManipulatorBar.bind(this); + // we use the boundFunction so we can reference it when we unbind it from the "select" event. + var me = this; + this.boundFunction = me._addNode; + this.on('select', this.boundFunction); + }; /** - * this function calculates the effects of the springs in the case of unsmooth curves. + * create the toolbar to connect nodes * * @private */ - exports._calculateSpringForces = function () { - var edgeLength, edge, edgeId; - var dx, dy, fx, fy, springForce, distance; - var edges = this.edges; + exports._createAddEdgeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + this._unselectAll(true); + this.freezeSimulation = true; - // forces caused by the edges, modelled as springs - for (edgeId in edges) { - if (edges.hasOwnProperty(edgeId)) { - edge = edges[edgeId]; - if (edge.connected) { - // only calculate forces if nodes are in the same sector - if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { - edgeLength = edge.physics.springLength; - // this implies that the edges between big clusters are longer - edgeLength += (edge.to.clusterSize + edge.from.clusterSize - 2) * this.constants.clustering.edgeGrowth; + if (this.boundFunction) { + this.off('select', this.boundFunction); + } - dx = (edge.from.x - edge.to.x); - dy = (edge.from.y - edge.to.y); - distance = Math.sqrt(dx * dx + dy * dy); + var locale = this.constants.locales[this.constants.locale]; - if (distance == 0) { - distance = 0.01; - } + this._unselectAll(); + this.forceAppendSelection = false; + this.blockConnectingEdgeSelection = true; - // the 1/distance is so the fx and fy can be calculated without sine or cosine. - springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; + this.manipulationDOM = {}; + this.manipulationDOM['backSpan'] = document.createElement('span'); + this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; + this.manipulationDOM['backLabelSpan'] = document.createElement('span'); + this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; + this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']); - fx = dx * springForce; - fy = dy * springForce; + this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); + this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; - edge.from.fx += fx; - edge.from.fy += fy; - edge.to.fx -= fx; - edge.to.fy -= fy; - } - } - } - } - }; + this.manipulationDOM['descriptionSpan'] = document.createElement('span'); + this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; + this.manipulationDOM['descriptionLabelSpan'] = document.createElement('span'); + this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['edgeDescription']; + this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']); + + this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); + this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); + + // bind the icon + this.manipulationDOM['backSpan'].onclick = this._createManipulatorBar.bind(this); + // we use the boundFunction so we can reference it when we unbind it from the "select" event. + var me = this; + this.boundFunction = me._handleConnect; + this.on('select', this.boundFunction); + // temporarily overload functions + this.cachedFunctions["_handleTouch"] = this._handleTouch; + this.cachedFunctions["_manipulationReleaseOverload"] = this._manipulationReleaseOverload; + this.cachedFunctions["_handleDragStart"] = this._handleDragStart; + this.cachedFunctions["_handleDragEnd"] = this._handleDragEnd; + this._handleTouch = this._handleConnect; + this._manipulationReleaseOverload = function () {}; + this._handleDragStart = function () {}; + this._handleDragEnd = this._finishConnect; + // redraw to show the unselect + this._redraw(); + }; /** - * This function calculates the springforces on the nodes, accounting for the support nodes. + * create the toolbar to edit edges * * @private */ - exports._calculateSpringForcesWithSupport = function () { - var edgeLength, edge, edgeId, combinedClusterSize; - var edges = this.edges; + exports._createEditEdgeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + this.controlNodesActive = true; - // forces caused by the edges, modelled as springs - for (edgeId in edges) { - if (edges.hasOwnProperty(edgeId)) { - edge = edges[edgeId]; - if (edge.connected) { - // only calculate forces if nodes are in the same sector - if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { - if (edge.via != null) { - var node1 = edge.to; - var node2 = edge.via; - var node3 = edge.from; + if (this.boundFunction) { + this.off('select', this.boundFunction); + } - edgeLength = edge.physics.springLength; + this.edgeBeingEdited = this._getSelectedEdge(); + this.edgeBeingEdited._enableControlNodes(); - combinedClusterSize = node1.clusterSize + node3.clusterSize - 2; + var locale = this.constants.locales[this.constants.locale]; - // this implies that the edges between big clusters are longer - edgeLength += combinedClusterSize * this.constants.clustering.edgeGrowth; - this._calculateSpringForce(node1, node2, 0.5 * edgeLength); - this._calculateSpringForce(node2, node3, 0.5 * edgeLength); - } - } - } - } - } + this.manipulationDOM = {}; + this.manipulationDOM['backSpan'] = document.createElement('span'); + this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; + this.manipulationDOM['backLabelSpan'] = document.createElement('span'); + this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; + this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']); + + this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); + this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; + + this.manipulationDOM['descriptionSpan'] = document.createElement('span'); + this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; + this.manipulationDOM['descriptionLabelSpan'] = document.createElement('span'); + this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['editEdgeDescription']; + this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']); + + this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); + this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); + + // bind the icon + this.manipulationDOM['backSpan'].onclick = this._createManipulatorBar.bind(this); + + // temporarily overload functions + this.cachedFunctions["_handleTouch"] = this._handleTouch; + this.cachedFunctions["_manipulationReleaseOverload"] = this._manipulationReleaseOverload; + this.cachedFunctions["_handleTap"] = this._handleTap; + this.cachedFunctions["_handleDragStart"] = this._handleDragStart; + this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag; + this._handleTouch = this._selectControlNode; + this._handleTap = function () {}; + this._handleOnDrag = this._controlNodeDrag; + this._handleDragStart = function () {} + this._manipulationReleaseOverload = this._releaseControlNode; + + // redraw to show the unselect + this._redraw(); }; /** - * This is the code actually performing the calculation for the function above. It is split out to avoid repetition. + * the function bound to the selection event. It checks if you want to connect a cluster and changes the description + * to walk the user through the process. * - * @param node1 - * @param node2 - * @param edgeLength * @private */ - exports._calculateSpringForce = function (node1, node2, edgeLength) { - var dx, dy, fx, fy, springForce, distance; - - dx = (node1.x - node2.x); - dy = (node1.y - node2.y); - distance = Math.sqrt(dx * dx + dy * dy); - - if (distance == 0) { - distance = 0.01; + exports._selectControlNode = function(pointer) { + this.edgeBeingEdited.controlNodes.from.unselect(); + this.edgeBeingEdited.controlNodes.to.unselect(); + this.selectedControlNode = this.edgeBeingEdited._getSelectedControlNode(this._XconvertDOMtoCanvas(pointer.x),this._YconvertDOMtoCanvas(pointer.y)); + if (this.selectedControlNode !== null) { + this.selectedControlNode.select(); + this.freezeSimulation = true; } + this._redraw(); + }; - // the 1/distance is so the fx and fy can be calculated without sine or cosine. - springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; - - fx = dx * springForce; - fy = dy * springForce; - node1.fx += fx; - node1.fy += fy; - node2.fx -= fx; - node2.fy -= fy; + /** + * the function bound to the selection event. It checks if you want to connect a cluster and changes the description + * to walk the user through the process. + * + * @private + */ + exports._controlNodeDrag = function(event) { + var pointer = this._getPointer(event.gesture.center); + if (this.selectedControlNode !== null && this.selectedControlNode !== undefined) { + this.selectedControlNode.x = this._XconvertDOMtoCanvas(pointer.x); + this.selectedControlNode.y = this._YconvertDOMtoCanvas(pointer.y); + } + this._redraw(); }; - exports._cleanupPhysicsConfiguration = function() { - if (this.physicsConfiguration !== undefined) { - while (this.physicsConfiguration.hasChildNodes()) { - this.physicsConfiguration.removeChild(this.physicsConfiguration.firstChild); + /** + * + * @param pointer + * @private + */ + exports._releaseControlNode = function(pointer) { + var newNode = this._getNodeAt(pointer); + if (newNode !== null) { + if (this.edgeBeingEdited.controlNodes.from.selected == true) { + this.edgeBeingEdited._restoreControlNodes(); + this._editEdge(newNode.id, this.edgeBeingEdited.to.id); + this.edgeBeingEdited.controlNodes.from.unselect(); + } + if (this.edgeBeingEdited.controlNodes.to.selected == true) { + this.edgeBeingEdited._restoreControlNodes(); + this._editEdge(this.edgeBeingEdited.from.id, newNode.id); + this.edgeBeingEdited.controlNodes.to.unselect(); } - - this.physicsConfiguration.parentNode.removeChild(this.physicsConfiguration); - this.physicsConfiguration = undefined; } - } + else { + this.edgeBeingEdited._restoreControlNodes(); + } + this.freezeSimulation = false; + this._redraw(); + }; /** - * Load the HTML for the physics config and bind it + * the function bound to the selection event. It checks if you want to connect a cluster and changes the description + * to walk the user through the process. + * * @private */ - exports._loadPhysicsConfiguration = function () { - if (this.physicsConfiguration === undefined) { - this.backupConstants = {}; - util.deepExtend(this.backupConstants,this.constants); + exports._handleConnect = function(pointer) { + if (this._getSelectedNodeCount() == 0) { + var node = this._getNodeAt(pointer); - var hierarchicalLayoutDirections = ["LR", "RL", "UD", "DU"]; - this.physicsConfiguration = document.createElement('div'); - this.physicsConfiguration.className = "PhysicsConfiguration"; - this.physicsConfiguration.innerHTML = '' + - '' + - '' + - '' + - '' + - '' + - '' + - '
Simulation Mode:
Barnes HutRepulsionHierarchical
' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '
Options:
' - this.containerElement.parentElement.insertBefore(this.physicsConfiguration, this.containerElement); - this.optionsDiv = document.createElement("div"); - this.optionsDiv.style.fontSize = "14px"; - this.optionsDiv.style.fontFamily = "verdana"; - this.containerElement.parentElement.insertBefore(this.optionsDiv, this.containerElement); + if (node != null) { + if (node.clusterSize > 1) { + alert(this.constants.locales[this.constants.locale]['createEdgeError']) + } + else { + this._selectObject(node,false); + var supportNodes = this.sectors['support']['nodes']; - var rangeElement; - rangeElement = document.getElementById('graph_BH_gc'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_gc', -1, "physics_barnesHut_gravitationalConstant"); - rangeElement = document.getElementById('graph_BH_cg'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_cg', 1, "physics_centralGravity"); - rangeElement = document.getElementById('graph_BH_sc'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sc', 1, "physics_springConstant"); - rangeElement = document.getElementById('graph_BH_sl'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sl', 1, "physics_springLength"); - rangeElement = document.getElementById('graph_BH_damp'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_damp', 1, "physics_damping"); + // create a node the temporary line can look at + supportNodes['targetNode'] = new Node({id:'targetNode'},{},{},this.constants); + var targetNode = supportNodes['targetNode']; + targetNode.x = node.x; + targetNode.y = node.y; - rangeElement = document.getElementById('graph_R_nd'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_nd', 1, "physics_repulsion_nodeDistance"); - rangeElement = document.getElementById('graph_R_cg'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_cg', 1, "physics_centralGravity"); - rangeElement = document.getElementById('graph_R_sc'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sc', 1, "physics_springConstant"); - rangeElement = document.getElementById('graph_R_sl'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sl', 1, "physics_springLength"); - rangeElement = document.getElementById('graph_R_damp'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_damp', 1, "physics_damping"); + // create a temporary edge + this.edges['connectionEdge'] = new Edge({id:"connectionEdge",from:node.id,to:targetNode.id}, this, this.constants); + var connectionEdge = this.edges['connectionEdge']; + connectionEdge.from = node; + connectionEdge.connected = true; + connectionEdge.options.smoothCurves = {enabled: true, + dynamic: false, + type: "continuous", + roundness: 0.5 + }; + connectionEdge.selected = true; + connectionEdge.to = targetNode; - rangeElement = document.getElementById('graph_H_nd'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); - rangeElement = document.getElementById('graph_H_cg'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_cg', 1, "physics_centralGravity"); - rangeElement = document.getElementById('graph_H_sc'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sc', 1, "physics_springConstant"); - rangeElement = document.getElementById('graph_H_sl'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sl', 1, "physics_springLength"); - rangeElement = document.getElementById('graph_H_damp'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_damp', 1, "physics_damping"); - rangeElement = document.getElementById('graph_H_direction'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_direction', hierarchicalLayoutDirections, "hierarchicalLayout_direction"); - rangeElement = document.getElementById('graph_H_levsep'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_levsep', 1, "hierarchicalLayout_levelSeparation"); - rangeElement = document.getElementById('graph_H_nspac'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nspac', 1, "hierarchicalLayout_nodeSpacing"); + this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag; + this._handleOnDrag = function(event) { + var pointer = this._getPointer(event.gesture.center); + var connectionEdge = this.edges['connectionEdge']; + connectionEdge.to.x = this._XconvertDOMtoCanvas(pointer.x); + connectionEdge.to.y = this._YconvertDOMtoCanvas(pointer.y); + }; - var radioButton1 = document.getElementById("graph_physicsMethod1"); - var radioButton2 = document.getElementById("graph_physicsMethod2"); - var radioButton3 = document.getElementById("graph_physicsMethod3"); - radioButton2.checked = true; - if (this.constants.physics.barnesHut.enabled) { - radioButton1.checked = true; + this.moving = true; + this.start(); + } } - if (this.constants.hierarchicalLayout.enabled) { - radioButton3.checked = true; + } + }; + + exports._finishConnect = function(event) { + if (this._getSelectedNodeCount() == 1) { + var pointer = this._getPointer(event.gesture.center); + // restore the drag function + this._handleOnDrag = this.cachedFunctions["_handleOnDrag"]; + delete this.cachedFunctions["_handleOnDrag"]; + + // remember the edge id + var connectFromId = this.edges['connectionEdge'].fromId; + + // remove the temporary nodes and edge + delete this.edges['connectionEdge']; + delete this.sectors['support']['nodes']['targetNode']; + delete this.sectors['support']['nodes']['targetViaNode']; + + var node = this._getNodeAt(pointer); + if (node != null) { + if (node.clusterSize > 1) { + alert(this.constants.locales[this.constants.locale]["createEdgeError"]) + } + else { + this._createEdge(connectFromId,node.id); + this._createManipulatorBar(); + } } + this._unselectAll(); + } + }; - var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); - var graph_repositionNodes = document.getElementById("graph_repositionNodes"); - var graph_generateOptions = document.getElementById("graph_generateOptions"); - graph_toggleSmooth.onclick = graphToggleSmoothCurves.bind(this); - graph_repositionNodes.onclick = graphRepositionNodes.bind(this); - graph_generateOptions.onclick = graphGenerateOptions.bind(this); - if (this.constants.smoothCurves == true && this.constants.dynamicSmoothCurves == false) { - graph_toggleSmooth.style.background = "#A4FF56"; + /** + * Adds a node on the specified location + */ + exports._addNode = function() { + if (this._selectionIsEmpty() && this.editMode == true) { + var positionObject = this._pointerToPositionObject(this.pointerPosition); + var defaultData = {id:util.randomUUID(),x:positionObject.left,y:positionObject.top,label:"new",allowedToMoveX:true,allowedToMoveY:true}; + if (this.triggerFunctions.add) { + if (this.triggerFunctions.add.length == 2) { + var me = this; + this.triggerFunctions.add(defaultData, function(finalizedData) { + me.nodesData.add(finalizedData); + me._createManipulatorBar(); + me.moving = true; + me.start(); + }); + } + else { + throw new Error('The function for add does not support two arguments (data,callback)'); + this._createManipulatorBar(); + this.moving = true; + this.start(); + } } else { - graph_toggleSmooth.style.background = "#FF8532"; + this.nodesData.add(defaultData); + this._createManipulatorBar(); + this.moving = true; + this.start(); } - - - switchConfigurations.apply(this); - - radioButton1.onchange = switchConfigurations.bind(this); - radioButton2.onchange = switchConfigurations.bind(this); - radioButton3.onchange = switchConfigurations.bind(this); } }; + /** - * This overwrites the this.constants. + * connect two nodes with a new edge. * - * @param constantsVariableName - * @param value * @private */ - exports._overWriteGraphConstants = function (constantsVariableName, value) { - var nameArray = constantsVariableName.split("_"); - if (nameArray.length == 1) { - this.constants[nameArray[0]] = value; - } - else if (nameArray.length == 2) { - this.constants[nameArray[0]][nameArray[1]] = value; - } - else if (nameArray.length == 3) { - this.constants[nameArray[0]][nameArray[1]][nameArray[2]] = value; + exports._createEdge = function(sourceNodeId,targetNodeId) { + if (this.editMode == true) { + var defaultData = {from:sourceNodeId, to:targetNodeId}; + if (this.triggerFunctions.connect) { + if (this.triggerFunctions.connect.length == 2) { + var me = this; + this.triggerFunctions.connect(defaultData, function(finalizedData) { + me.edgesData.add(finalizedData); + me.moving = true; + me.start(); + }); + } + else { + throw new Error('The function for connect does not support two arguments (data,callback)'); + this.moving = true; + this.start(); + } + } + else { + this.edgesData.add(defaultData); + this.moving = true; + this.start(); + } } }; - /** - * this function is bound to the toggle smooth curves button. That is also why it is not in the prototype. + * connect two nodes with a new edge. + * + * @private */ - function graphToggleSmoothCurves () { - this.constants.smoothCurves.enabled = !this.constants.smoothCurves.enabled; - var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); - if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";} - else {graph_toggleSmooth.style.background = "#FF8532";} - - this._configureSmoothCurves(false); - } + exports._editEdge = function(sourceNodeId,targetNodeId) { + if (this.editMode == true) { + var defaultData = {id: this.edgeBeingEdited.id, from:sourceNodeId, to:targetNodeId}; + if (this.triggerFunctions.editEdge) { + if (this.triggerFunctions.editEdge.length == 2) { + var me = this; + this.triggerFunctions.editEdge(defaultData, function(finalizedData) { + me.edgesData.update(finalizedData); + me.moving = true; + me.start(); + }); + } + else { + throw new Error('The function for edit does not support two arguments (data, callback)'); + this.moving = true; + this.start(); + } + } + else { + this.edgesData.update(defaultData); + this.moving = true; + this.start(); + } + } + }; /** - * this function is used to scramble the nodes + * Create the toolbar to edit the selected node. The label and the color can be changed. Other colors are derived from the chosen color. * + * @private */ - function graphRepositionNodes () { - for (var nodeId in this.calculationNodes) { - if (this.calculationNodes.hasOwnProperty(nodeId)) { - this.calculationNodes[nodeId].vx = 0; this.calculationNodes[nodeId].vy = 0; - this.calculationNodes[nodeId].fx = 0; this.calculationNodes[nodeId].fy = 0; + exports._editNode = function() { + if (this.triggerFunctions.edit && this.editMode == true) { + var node = this._getSelectedNode(); + var data = {id:node.id, + label: node.label, + group: node.options.group, + shape: node.options.shape, + color: { + background:node.options.color.background, + border:node.options.color.border, + highlight: { + background:node.options.color.highlight.background, + border:node.options.color.highlight.border + } + }}; + if (this.triggerFunctions.edit.length == 2) { + var me = this; + this.triggerFunctions.edit(data, function (finalizedData) { + me.nodesData.update(finalizedData); + me._createManipulatorBar(); + me.moving = true; + me.start(); + }); + } + else { + throw new Error('The function for edit does not support two arguments (data, callback)'); } - } - if (this.constants.hierarchicalLayout.enabled == true) { - this._setupHierarchicalLayout(); - showValueOfRange.call(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); - showValueOfRange.call(this, 'graph_H_cg', 1, "physics_centralGravity"); - showValueOfRange.call(this, 'graph_H_sc', 1, "physics_springConstant"); - showValueOfRange.call(this, 'graph_H_sl', 1, "physics_springLength"); - showValueOfRange.call(this, 'graph_H_damp', 1, "physics_damping"); } else { - this.repositionNodes(); + throw new Error('No edit function has been bound to this button'); } - this.moving = true; - this.start(); - } + }; + + + /** - * this is used to generate an options file from the playing with physics system. + * delete everything in the selection + * + * @private */ - function graphGenerateOptions () { - var options = "No options are required, default values used."; - var optionsSpecific = []; - var radioButton1 = document.getElementById("graph_physicsMethod1"); - var radioButton2 = document.getElementById("graph_physicsMethod2"); - if (radioButton1.checked == true) { - if (this.constants.physics.barnesHut.gravitationalConstant != this.backupConstants.physics.barnesHut.gravitationalConstant) {optionsSpecific.push("gravitationalConstant: " + this.constants.physics.barnesHut.gravitationalConstant);} - if (this.constants.physics.centralGravity != this.backupConstants.physics.barnesHut.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} - if (this.constants.physics.springLength != this.backupConstants.physics.barnesHut.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} - if (this.constants.physics.springConstant != this.backupConstants.physics.barnesHut.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} - if (this.constants.physics.damping != this.backupConstants.physics.barnesHut.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} - if (optionsSpecific.length != 0) { - options = "var options = {"; - options += "physics: {barnesHut: {"; - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", " - } - } - options += '}}' - } - if (this.constants.smoothCurves.enabled != this.backupConstants.smoothCurves.enabled) { - if (optionsSpecific.length == 0) {options = "var options = {";} - else {options += ", "} - options += "smoothCurves: " + this.constants.smoothCurves.enabled; - } - if (options != "No options are required, default values used.") { - options += '};' - } - } - else if (radioButton2.checked == true) { - options = "var options = {"; - options += "physics: {barnesHut: {enabled: false}"; - if (this.constants.physics.repulsion.nodeDistance != this.backupConstants.physics.repulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.repulsion.nodeDistance);} - if (this.constants.physics.centralGravity != this.backupConstants.physics.repulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} - if (this.constants.physics.springLength != this.backupConstants.physics.repulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} - if (this.constants.physics.springConstant != this.backupConstants.physics.repulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} - if (this.constants.physics.damping != this.backupConstants.physics.repulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} - if (optionsSpecific.length != 0) { - options += ", repulsion: {"; - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", " + exports._deleteSelected = function() { + if (!this._selectionIsEmpty() && this.editMode == true) { + if (!this._clusterInSelection()) { + var selectedNodes = this.getSelectedNodes(); + var selectedEdges = this.getSelectedEdges(); + if (this.triggerFunctions.del) { + var me = this; + var data = {nodes: selectedNodes, edges: selectedEdges}; + if (this.triggerFunctions.del.length == 2) { + this.triggerFunctions.del(data, function (finalizedData) { + me.edgesData.remove(finalizedData.edges); + me.nodesData.remove(finalizedData.nodes); + me._unselectAll(); + me.moving = true; + me.start(); + }); } - } - options += '}}' - } - if (optionsSpecific.length == 0) {options += "}"} - if (this.constants.smoothCurves != this.backupConstants.smoothCurves) { - options += ", smoothCurves: " + this.constants.smoothCurves; - } - options += '};' - } - else { - options = "var options = {"; - if (this.constants.physics.hierarchicalRepulsion.nodeDistance != this.backupConstants.physics.hierarchicalRepulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.hierarchicalRepulsion.nodeDistance);} - if (this.constants.physics.centralGravity != this.backupConstants.physics.hierarchicalRepulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} - if (this.constants.physics.springLength != this.backupConstants.physics.hierarchicalRepulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} - if (this.constants.physics.springConstant != this.backupConstants.physics.hierarchicalRepulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} - if (this.constants.physics.damping != this.backupConstants.physics.hierarchicalRepulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} - if (optionsSpecific.length != 0) { - options += "physics: {hierarchicalRepulsion: {"; - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", "; + else { + throw new Error('The function for delete does not support two arguments (data, callback)') } } - options += '}},'; - } - options += 'hierarchicalLayout: {'; - optionsSpecific = []; - if (this.constants.hierarchicalLayout.direction != this.backupConstants.hierarchicalLayout.direction) {optionsSpecific.push("direction: " + this.constants.hierarchicalLayout.direction);} - if (Math.abs(this.constants.hierarchicalLayout.levelSeparation) != this.backupConstants.hierarchicalLayout.levelSeparation) {optionsSpecific.push("levelSeparation: " + this.constants.hierarchicalLayout.levelSeparation);} - if (this.constants.hierarchicalLayout.nodeSpacing != this.backupConstants.hierarchicalLayout.nodeSpacing) {optionsSpecific.push("nodeSpacing: " + this.constants.hierarchicalLayout.nodeSpacing);} - if (optionsSpecific.length != 0) { - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", " - } + else { + this.edgesData.remove(selectedEdges); + this.nodesData.remove(selectedNodes); + this._unselectAll(); + this.moving = true; + this.start(); } - options += '}' } else { - options += "enabled:true}"; + alert(this.constants.locales[this.constants.locale]["deleteClusterError"]); } - options += '};' } + }; - this.optionsDiv.innerHTML = options; - } +/***/ }, +/* 68 */ +/***/ function(module, exports, __webpack_require__) { - /** - * this is used to switch between barnesHut, repulsion and hierarchical. - * - */ - function switchConfigurations () { - var ids = ["graph_BH_table", "graph_R_table", "graph_H_table"]; - var radioButton = document.querySelector('input[name="graph_physicsMethod"]:checked').value; - var tableId = "graph_" + radioButton + "_table"; - var table = document.getElementById(tableId); - table.style.display = "block"; - for (var i = 0; i < ids.length; i++) { - if (ids[i] != tableId) { - table = document.getElementById(ids[i]); - table.style.display = "none"; - } - } - this._restoreNodes(); - if (radioButton == "R") { - this.constants.hierarchicalLayout.enabled = false; - this.constants.physics.hierarchicalRepulsion.enabled = false; - this.constants.physics.barnesHut.enabled = false; - } - else if (radioButton == "H") { - if (this.constants.hierarchicalLayout.enabled == false) { - this.constants.hierarchicalLayout.enabled = true; - this.constants.physics.hierarchicalRepulsion.enabled = true; - this.constants.physics.barnesHut.enabled = false; - this.constants.smoothCurves.enabled = false; - this._setupHierarchicalLayout(); + var util = __webpack_require__(1); + var Hammer = __webpack_require__(19); + + exports._cleanNavigation = function() { + // clean hammer bindings + if (this.navigationHammers.existing.length != 0) { + for (var i = 0; i < this.navigationHammers.existing.length; i++) { + this.navigationHammers.existing[i].dispose(); } + this.navigationHammers.existing = []; } - else { - this.constants.hierarchicalLayout.enabled = false; - this.constants.physics.hierarchicalRepulsion.enabled = false; - this.constants.physics.barnesHut.enabled = true; - } - this._loadSelectedForceSolver(); - var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); - if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";} - else {graph_toggleSmooth.style.background = "#FF8532";} - this.moving = true; - this.start(); - } + this._navigationReleaseOverload = function () {}; + + // clean up previous navigation items + if (this.navigationDivs && this.navigationDivs['wrapper'] && this.navigationDivs['wrapper'].parentNode) { + this.navigationDivs['wrapper'].parentNode.removeChild(this.navigationDivs['wrapper']); + } + }; /** - * this generates the ranges depending on the iniital values. + * Creation of the navigation controls nodes. They are drawn over the rest of the nodes and are not affected by scale and translation + * they have a triggerFunction which is called on click. If the position of the navigation controls is dependent + * on this.frame.canvas.clientWidth or this.frame.canvas.clientHeight, we flag horizontalAlignLeft and verticalAlignTop false. + * This means that the location will be corrected by the _relocateNavigation function on a size change of the canvas. * - * @param id - * @param map - * @param constantsVariableName + * @private */ - function showValueOfRange (id,map,constantsVariableName) { - var valueId = id + "_value"; - var rangeValue = document.getElementById(id).value; + exports._loadNavigationElements = function() { + this._cleanNavigation(); - if (Array.isArray(map)) { - document.getElementById(valueId).value = map[parseInt(rangeValue)]; - this._overWriteGraphConstants(constantsVariableName,map[parseInt(rangeValue)]); - } - else { - document.getElementById(valueId).value = parseInt(map) * parseFloat(rangeValue); - this._overWriteGraphConstants(constantsVariableName, parseInt(map) * parseFloat(rangeValue)); - } + this.navigationDivs = {}; + var navigationDivs = ['up','down','left','right','zoomIn','zoomOut','zoomExtends']; + var navigationDivActions = ['_moveUp','_moveDown','_moveLeft','_moveRight','_zoomIn','_zoomOut','_zoomExtent']; - if (constantsVariableName == "hierarchicalLayout_direction" || - constantsVariableName == "hierarchicalLayout_levelSeparation" || - constantsVariableName == "hierarchicalLayout_nodeSpacing") { - this._setupHierarchicalLayout(); - } - this.moving = true; - this.start(); - } + this.navigationDivs['wrapper'] = document.createElement('div'); + this.frame.appendChild(this.navigationDivs['wrapper']); + + for (var i = 0; i < navigationDivs.length; i++) { + this.navigationDivs[navigationDivs[i]] = document.createElement('div'); + this.navigationDivs[navigationDivs[i]].className = 'network-navigation ' + navigationDivs[i]; + this.navigationDivs['wrapper'].appendChild(this.navigationDivs[navigationDivs[i]]); + var hammer = Hammer(this.navigationDivs[navigationDivs[i]], {prevent_default: true}); + hammer.on('touch', this[navigationDivActions[i]].bind(this)); + this.navigationHammers._new.push(hammer); + } + this._navigationReleaseOverload = this._stopMovement; + this.navigationHammers.existing = this.navigationHammers._new; + }; -/***/ }, -/* 67 */ -/***/ function(module, exports, __webpack_require__) { - function webpackContext(req) { - throw new Error("Cannot find module '" + req + "'."); - } - webpackContext.keys = function() { return []; }; - webpackContext.resolve = webpackContext; - module.exports = webpackContext; - webpackContext.id = 67; + /** + * this stops all movement induced by the navigation buttons + * + * @private + */ + exports._zoomExtent = function(event) { + this.zoomExtent({duration:700}); + event.stopPropagation(); + }; + /** + * this stops all movement induced by the navigation buttons + * + * @private + */ + exports._stopMovement = function() { + this._xStopMoving(); + this._yStopMoving(); + this._stopZoom(); + }; -/***/ }, -/* 68 */ -/***/ function(module, exports, __webpack_require__) { /** - * Calculate the forces the nodes apply on each other based on a repulsion field. - * This field is linearly approximated. + * move the screen up + * By using the increments, instead of adding a fixed number to the translation, we keep fluent and + * instant movement. The onKeypress event triggers immediately, then pauses, then triggers frequently + * To avoid this behaviour, we do the translation in the start loop. * * @private */ - exports._calculateNodeForces = function () { - var dx, dy, angle, distance, fx, fy, combinedClusterSize, - repulsingForce, node1, node2, i, j; + exports._moveUp = function(event) { + this.yIncrement = this.constants.keyboard.speed.y; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; - // approximation constants - var a_base = -2 / 3; - var b = 4 / 3; + /** + * move the screen down + * @private + */ + exports._moveDown = function(event) { + this.yIncrement = -this.constants.keyboard.speed.y; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; - // repulsing forces between nodes - var nodeDistance = this.constants.physics.repulsion.nodeDistance; - var minimumDistance = nodeDistance; - // we loop from i over all but the last entree in the array - // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j - for (i = 0; i < nodeIndices.length - 1; i++) { - node1 = nodes[nodeIndices[i]]; - for (j = i + 1; j < nodeIndices.length; j++) { - node2 = nodes[nodeIndices[j]]; - combinedClusterSize = node1.clusterSize + node2.clusterSize - 2; + /** + * move the screen left + * @private + */ + exports._moveLeft = function(event) { + this.xIncrement = this.constants.keyboard.speed.x; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; + + + /** + * move the screen right + * @private + */ + exports._moveRight = function(event) { + this.xIncrement = -this.constants.keyboard.speed.y; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; + + + /** + * Zoom in, using the same method as the movement. + * @private + */ + exports._zoomIn = function(event) { + this.zoomIncrement = this.constants.keyboard.speed.zoom; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; + + + /** + * Zoom out + * @private + */ + exports._zoomOut = function(event) { + this.zoomIncrement = -this.constants.keyboard.speed.zoom; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; - dx = node2.x - node1.x; - dy = node2.y - node1.y; - distance = Math.sqrt(dx * dx + dy * dy); - // same condition as BarnesHut, making sure nodes are never 100% overlapping. - if (distance == 0) { - distance = 0.1*Math.random(); - dx = distance; - } + /** + * Stop zooming and unhighlight the zoom controls + * @private + */ + exports._stopZoom = function(event) { + this.zoomIncrement = 0; + event && event.preventDefault(); + }; - minimumDistance = (combinedClusterSize == 0) ? nodeDistance : (nodeDistance * (1 + combinedClusterSize * this.constants.clustering.distanceAmplification)); - var a = a_base / minimumDistance; - if (distance < 2 * minimumDistance) { - if (distance < 0.5 * minimumDistance) { - repulsingForce = 1.0; - } - else { - repulsingForce = a * distance + b; // linear approx of 1 / (1 + Math.exp((distance / minimumDistance - 1) * steepness)) - } - // amplify the repulsion for clusters. - repulsingForce *= (combinedClusterSize == 0) ? 1 : 1 + combinedClusterSize * this.constants.clustering.forceAmplification; - repulsingForce = repulsingForce / Math.max(distance,0.01*minimumDistance); + /** + * Stop moving in the Y direction and unHighlight the up and down + * @private + */ + exports._yStopMoving = function(event) { + this.yIncrement = 0; + event && event.preventDefault(); + }; - fx = dx * repulsingForce; - fy = dy * repulsingForce; - node1.fx -= fx; - node1.fy -= fy; - node2.fx += fx; - node2.fy += fy; - } - } - } + /** + * Stop moving in the X direction and unHighlight left and right. + * @private + */ + exports._xStopMoving = function(event) { + this.xIncrement = 0; + event && event.preventDefault(); }; @@ -34070,579 +33981,676 @@ return /******/ (function(modules) { // webpackBootstrap /* 69 */ /***/ function(module, exports, __webpack_require__) { + exports._resetLevels = function() { + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + var node = this.nodes[nodeId]; + if (node.preassignedLevel == false) { + node.level = -1; + node.hierarchyEnumerated = false; + } + } + } + }; + /** - * Calculate the forces the nodes apply on eachother based on a repulsion field. - * This field is linearly approximated. + * This is the main function to layout the nodes in a hierarchical way. + * It checks if the node details are supplied correctly * * @private */ - exports._calculateNodeForces = function () { - var dx, dy, distance, fx, fy, - repulsingForce, node1, node2, i, j; - - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; - - // repulsing forces between nodes - var nodeDistance = this.constants.physics.hierarchicalRepulsion.nodeDistance; - - // we loop from i over all but the last entree in the array - // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j - for (i = 0; i < nodeIndices.length - 1; i++) { - node1 = nodes[nodeIndices[i]]; - for (j = i + 1; j < nodeIndices.length; j++) { - node2 = nodes[nodeIndices[j]]; - - // nodes only affect nodes on their level - if (node1.level == node2.level) { + exports._setupHierarchicalLayout = function() { + if (this.constants.hierarchicalLayout.enabled == true && this.nodeIndices.length > 0) { + // get the size of the largest hubs and check if the user has defined a level for a node. + var hubsize = 0; + var node, nodeId; + var definedLevel = false; + var undefinedLevel = false; - dx = node2.x - node1.x; - dy = node2.y - node1.y; - distance = Math.sqrt(dx * dx + dy * dy); + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.level != -1) { + definedLevel = true; + } + else { + undefinedLevel = true; + } + if (hubsize < node.edges.length) { + hubsize = node.edges.length; + } + } + } + // if the user defined some levels but not all, alert and run without hierarchical layout + if (undefinedLevel == true && definedLevel == true) { + throw new Error("To use the hierarchical layout, nodes require either no predefined levels or levels have to be defined for all nodes."); + this.zoomExtent(undefined,true,this.constants.clustering.enabled); + if (!this.constants.clustering.enabled) { + this.start(); + } + } + else { + // setup the system to use hierarchical method. + this._changeConstants(); - var steepness = 0.05; - if (distance < nodeDistance) { - repulsingForce = -Math.pow(steepness*distance,2) + Math.pow(steepness*nodeDistance,2); + // define levels if undefined by the users. Based on hubsize + if (undefinedLevel == true) { + if (this.constants.hierarchicalLayout.layout == "hubsize") { + this._determineLevels(hubsize); } else { - repulsingForce = 0; + this._determineLevelsDirected(false); } - // normalize force with - if (distance == 0) { - distance = 0.01; - } - else { - repulsingForce = repulsingForce / distance; - } - fx = dx * repulsingForce; - fy = dy * repulsingForce; - node1.fx -= fx; - node1.fy -= fy; - node2.fx += fx; - node2.fy += fy; } + // check the distribution of the nodes per level. + var distribution = this._getDistribution(); + + // place the nodes on the canvas. This also stablilizes the system. + this._placeNodesByHierarchy(distribution); + + // start the simulation. + this.start(); } } }; /** - * this function calculates the effects of the springs in the case of unsmooth curves. + * This function places the nodes on the canvas based on the hierarchial distribution. * + * @param {Object} distribution | obtained by the function this._getDistribution() * @private */ - exports._calculateHierarchicalSpringForces = function () { - var edgeLength, edge, edgeId; - var dx, dy, fx, fy, springForce, distance; - var edges = this.edges; - - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; - - - for (var i = 0; i < nodeIndices.length; i++) { - var node1 = nodes[nodeIndices[i]]; - node1.springFx = 0; - node1.springFy = 0; - } - - - // forces caused by the edges, modelled as springs - for (edgeId in edges) { - if (edges.hasOwnProperty(edgeId)) { - edge = edges[edgeId]; - if (edge.connected) { - // only calculate forces if nodes are in the same sector - if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { - edgeLength = edge.physics.springLength; - // this implies that the edges between big clusters are longer - edgeLength += (edge.to.clusterSize + edge.from.clusterSize - 2) * this.constants.clustering.edgeGrowth; - - dx = (edge.from.x - edge.to.x); - dy = (edge.from.y - edge.to.y); - distance = Math.sqrt(dx * dx + dy * dy); - - if (distance == 0) { - distance = 0.01; - } - - // the 1/distance is so the fx and fy can be calculated without sine or cosine. - springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; - - fx = dx * springForce; - fy = dy * springForce; + exports._placeNodesByHierarchy = function(distribution) { + var nodeId, node; + // start placing all the level 0 nodes first. Then recursively position their branches. + for (var level in distribution) { + if (distribution.hasOwnProperty(level)) { + for (nodeId in distribution[level].nodes) { + if (distribution[level].nodes.hasOwnProperty(nodeId)) { + node = distribution[level].nodes[nodeId]; + if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { + if (node.xFixed) { + node.x = distribution[level].minPos; + node.xFixed = false; - if (edge.to.level != edge.from.level) { - edge.to.springFx -= fx; - edge.to.springFy -= fy; - edge.from.springFx += fx; - edge.from.springFy += fy; + distribution[level].minPos += distribution[level].nodeSpacing; + } } else { - var factor = 0.5; - edge.to.fx -= factor*fx; - edge.to.fy -= factor*fy; - edge.from.fx += factor*fx; - edge.from.fy += factor*fy; + if (node.yFixed) { + node.y = distribution[level].minPos; + node.yFixed = false; + + distribution[level].minPos += distribution[level].nodeSpacing; + } } + this._placeBranchNodes(node.edges,node.id,distribution,node.level); } } } } - // normalize spring forces - var springForce = 1; - var springFx, springFy; - for (i = 0; i < nodeIndices.length; i++) { - var node = nodes[nodeIndices[i]]; - springFx = Math.min(springForce,Math.max(-springForce,node.springFx)); - springFy = Math.min(springForce,Math.max(-springForce,node.springFy)); - - node.fx += springFx; - node.fy += springFy; - } - - // retain energy balance - var totalFx = 0; - var totalFy = 0; - for (i = 0; i < nodeIndices.length; i++) { - var node = nodes[nodeIndices[i]]; - totalFx += node.fx; - totalFy += node.fy; - } - var correctionFx = totalFx / nodeIndices.length; - var correctionFy = totalFy / nodeIndices.length; - - for (i = 0; i < nodeIndices.length; i++) { - var node = nodes[nodeIndices[i]]; - node.fx -= correctionFx; - node.fy -= correctionFy; - } - + // stabilize the system after positioning. This function calls zoomExtent. + this._stabilize(); }; -/***/ }, -/* 70 */ -/***/ function(module, exports, __webpack_require__) { /** - * This function calculates the forces the nodes apply on eachother based on a gravitational model. - * The Barnes Hut method is used to speed up this N-body simulation. + * This function get the distribution of levels based on hubsize * + * @returns {Object} * @private */ - exports._calculateNodeForces = function() { - if (this.constants.physics.barnesHut.gravitationalConstant != 0) { - var node; - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; - var nodeCount = nodeIndices.length; - - this._formBarnesHutTree(nodes,nodeIndices); + exports._getDistribution = function() { + var distribution = {}; + var nodeId, node, level; - var barnesHutTree = this.barnesHutTree; + // we fix Y because the hierarchy is vertical, we fix X so we do not give a node an x position for a second time. + // the fix of X is removed after the x value has been set. + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + node.xFixed = true; + node.yFixed = true; + if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { + node.y = this.constants.hierarchicalLayout.levelSeparation*node.level; + } + else { + node.x = this.constants.hierarchicalLayout.levelSeparation*node.level; + } + if (distribution[node.level] === undefined) { + distribution[node.level] = {amount: 0, nodes: {}, minPos:0, nodeSpacing:0}; + } + distribution[node.level].amount += 1; + distribution[node.level].nodes[nodeId] = node; + } + } - // place the nodes one by one recursively - for (var i = 0; i < nodeCount; i++) { - node = nodes[nodeIndices[i]]; - if (node.options.mass > 0) { - // starting with root is irrelevant, it never passes the BarnesHut condition - this._getForceContribution(barnesHutTree.root.children.NW,node); - this._getForceContribution(barnesHutTree.root.children.NE,node); - this._getForceContribution(barnesHutTree.root.children.SW,node); - this._getForceContribution(barnesHutTree.root.children.SE,node); + // determine the largest amount of nodes of all levels + var maxCount = 0; + for (level in distribution) { + if (distribution.hasOwnProperty(level)) { + if (maxCount < distribution[level].amount) { + maxCount = distribution[level].amount; } } } + + // set the initial position and spacing of each nodes accordingly + for (level in distribution) { + if (distribution.hasOwnProperty(level)) { + distribution[level].nodeSpacing = (maxCount + 1) * this.constants.hierarchicalLayout.nodeSpacing; + distribution[level].nodeSpacing /= (distribution[level].amount + 1); + distribution[level].minPos = distribution[level].nodeSpacing - (0.5 * (distribution[level].amount + 1) * distribution[level].nodeSpacing); + } + } + + return distribution; }; /** - * This function traverses the barnesHutTree. It checks when it can approximate distant nodes with their center of mass. - * If a region contains a single node, we check if it is not itself, then we apply the force. + * this function allocates nodes in levels based on the recursive branching from the largest hubs. * - * @param parentBranch - * @param node + * @param hubsize * @private */ - exports._getForceContribution = function(parentBranch,node) { - // we get no force contribution from an empty region - if (parentBranch.childrenCount > 0) { - var dx,dy,distance; - - // get the distance from the center of mass to the node. - dx = parentBranch.centerOfMass.x - node.x; - dy = parentBranch.centerOfMass.y - node.y; - distance = Math.sqrt(dx * dx + dy * dy); + exports._determineLevels = function(hubsize) { + var nodeId, node; - // BarnesHut condition - // original condition : s/d < thetaInverted = passed === d/s > 1/theta = passed - // calcSize = 1/s --> d * 1/s > 1/theta = passed - if (distance * parentBranch.calcSize > this.constants.physics.barnesHut.thetaInverted) { - // duplicate code to reduce function calls to speed up program - if (distance == 0) { - distance = 0.1*Math.random(); - dx = distance; + // determine hubs + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.edges.length == hubsize) { + node.level = 0; } - var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); - var fx = dx * gravityForce; - var fy = dy * gravityForce; - node.fx += fx; - node.fy += fy; } - else { - // Did not pass the condition, go into children if available - if (parentBranch.childrenCount == 4) { - this._getForceContribution(parentBranch.children.NW,node); - this._getForceContribution(parentBranch.children.NE,node); - this._getForceContribution(parentBranch.children.SW,node); - this._getForceContribution(parentBranch.children.SE,node); - } - else { // parentBranch must have only one node, if it was empty we wouldnt be here - if (parentBranch.children.data.id != node.id) { // if it is not self - // duplicate code to reduce function calls to speed up program - if (distance == 0) { - distance = 0.5*Math.random(); - dx = distance; - } - var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); - var fx = dx * gravityForce; - var fy = dy * gravityForce; - node.fx += fx; - node.fy += fy; - } + } + + // branch from hubs + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.level == 0) { + this._setLevel(1,node.edges,node.id); } } } }; + + /** - * This function constructs the barnesHut tree recursively. It creates the root, splits it and starts placing the nodes. + * this function allocates nodes in levels based on the direction of the edges * - * @param nodes - * @param nodeIndices + * @param hubsize * @private */ - exports._formBarnesHutTree = function(nodes,nodeIndices) { - var node; - var nodeCount = nodeIndices.length; + exports._determineLevelsDirected = function() { + var nodeId, node, firstNode; + var minLevel = 10000; - var minX = Number.MAX_VALUE, - minY = Number.MAX_VALUE, - maxX =-Number.MAX_VALUE, - maxY =-Number.MAX_VALUE; + // set first node to source + firstNode = this.nodes[this.nodeIndices[0]]; + firstNode.level = minLevel; + this._setLevelDirected(minLevel,firstNode.edges,firstNode.id); - // get the range of the nodes - for (var i = 0; i < nodeCount; i++) { - var x = nodes[nodeIndices[i]].x; - var y = nodes[nodeIndices[i]].y; - if (nodes[nodeIndices[i]].options.mass > 0) { - if (x < minX) { minX = x; } - if (x > maxX) { maxX = x; } - if (y < minY) { minY = y; } - if (y > maxY) { maxY = y; } + // get the minimum level + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + minLevel = node.level < minLevel ? node.level : minLevel; } } - // make the range a square - var sizeDiff = Math.abs(maxX - minX) - Math.abs(maxY - minY); // difference between X and Y - if (sizeDiff > 0) {minY -= 0.5 * sizeDiff; maxY += 0.5 * sizeDiff;} // xSize > ySize - else {minX += 0.5 * sizeDiff; maxX -= 0.5 * sizeDiff;} // xSize < ySize - - - var minimumTreeSize = 1e-5; - var rootSize = Math.max(minimumTreeSize,Math.abs(maxX - minX)); - var halfRootSize = 0.5 * rootSize; - var centerX = 0.5 * (minX + maxX), centerY = 0.5 * (minY + maxY); - - // construct the barnesHutTree - var barnesHutTree = { - root:{ - centerOfMass: {x:0, y:0}, - mass:0, - range: { - minX: centerX-halfRootSize,maxX:centerX+halfRootSize, - minY: centerY-halfRootSize,maxY:centerY+halfRootSize - }, - size: rootSize, - calcSize: 1 / rootSize, - children: { data:null}, - maxWidth: 0, - level: 0, - childrenCount: 4 - } - }; - this._splitBranch(barnesHutTree.root); - // place the nodes one by one recursively - for (i = 0; i < nodeCount; i++) { - node = nodes[nodeIndices[i]]; - if (node.options.mass > 0) { - this._placeInTree(barnesHutTree.root,node); + // subtract the minimum from the set so we have a range starting from 0 + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + node.level -= minLevel; } } - - // make global - this.barnesHutTree = barnesHutTree }; /** - * this updates the mass of a branch. this is increased by adding a node. + * Since hierarchical layout does not support: + * - smooth curves (based on the physics), + * - clustering (based on dynamic node counts) + * + * We disable both features so there will be no problems. * - * @param parentBranch - * @param node * @private */ - exports._updateBranchMass = function(parentBranch, node) { - var totalMass = parentBranch.mass + node.options.mass; - var totalMassInv = 1/totalMass; - - parentBranch.centerOfMass.x = parentBranch.centerOfMass.x * parentBranch.mass + node.x * node.options.mass; - parentBranch.centerOfMass.x *= totalMassInv; - - parentBranch.centerOfMass.y = parentBranch.centerOfMass.y * parentBranch.mass + node.y * node.options.mass; - parentBranch.centerOfMass.y *= totalMassInv; + exports._changeConstants = function() { + this.constants.clustering.enabled = false; + this.constants.physics.barnesHut.enabled = false; + this.constants.physics.hierarchicalRepulsion.enabled = true; + this._loadSelectedForceSolver(); + if (this.constants.smoothCurves.enabled == true) { + this.constants.smoothCurves.dynamic = false; + } + this._configureSmoothCurves(); - parentBranch.mass = totalMass; - var biggestSize = Math.max(Math.max(node.height,node.radius),node.width); - parentBranch.maxWidth = (parentBranch.maxWidth < biggestSize) ? biggestSize : parentBranch.maxWidth; + var config = this.constants.hierarchicalLayout; + config.levelSeparation = Math.abs(config.levelSeparation); + if (config.direction == "RL" || config.direction == "DU") { + config.levelSeparation *= -1; + } + if (config.direction == "RL" || config.direction == "LR") { + if (this.constants.smoothCurves.enabled == true) { + this.constants.smoothCurves.type = "vertical"; + } + } + else { + if (this.constants.smoothCurves.enabled == true) { + this.constants.smoothCurves.type = "horizontal"; + } + } }; /** - * determine in which branch the node will be placed. + * This is a recursively called function to enumerate the branches from the largest hubs and place the nodes + * on a X position that ensures there will be no overlap. * - * @param parentBranch - * @param node - * @param skipMassUpdate + * @param edges + * @param parentId + * @param distribution + * @param parentLevel * @private */ - exports._placeInTree = function(parentBranch,node,skipMassUpdate) { - if (skipMassUpdate != true || skipMassUpdate === undefined) { - // update the mass of the branch. - this._updateBranchMass(parentBranch,node); - } - - if (parentBranch.children.NW.range.maxX > node.x) { // in NW or SW - if (parentBranch.children.NW.range.maxY > node.y) { // in NW - this._placeInRegion(parentBranch,node,"NW"); + exports._placeBranchNodes = function(edges, parentId, distribution, parentLevel) { + for (var i = 0; i < edges.length; i++) { + var childNode = null; + if (edges[i].toId == parentId) { + childNode = edges[i].from; } - else { // in SW - this._placeInRegion(parentBranch,node,"SW"); + else { + childNode = edges[i].to; } - } - else { // in NE or SE - if (parentBranch.children.NW.range.maxY > node.y) { // in NE - this._placeInRegion(parentBranch,node,"NE"); + + // if a node is conneceted to another node on the same level (or higher (means lower level))!, this is not handled here. + var nodeMoved = false; + if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { + if (childNode.xFixed && childNode.level > parentLevel) { + childNode.xFixed = false; + childNode.x = distribution[childNode.level].minPos; + nodeMoved = true; + } } - else { // in SE - this._placeInRegion(parentBranch,node,"SE"); + else { + if (childNode.yFixed && childNode.level > parentLevel) { + childNode.yFixed = false; + childNode.y = distribution[childNode.level].minPos; + nodeMoved = true; + } + } + + if (nodeMoved == true) { + distribution[childNode.level].minPos += distribution[childNode.level].nodeSpacing; + if (childNode.edges.length > 1) { + this._placeBranchNodes(childNode.edges,childNode.id,distribution,childNode.level); + } } } }; /** - * actually place the node in a region (or branch) + * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. * - * @param parentBranch - * @param node - * @param region + * @param level + * @param edges + * @param parentId * @private */ - exports._placeInRegion = function(parentBranch,node,region) { - switch (parentBranch.children[region].childrenCount) { - case 0: // place node here - parentBranch.children[region].children.data = node; - parentBranch.children[region].childrenCount = 1; - this._updateBranchMass(parentBranch.children[region],node); - break; - case 1: // convert into children - // if there are two nodes exactly overlapping (on init, on opening of cluster etc.) - // we move one node a pixel and we do not put it in the tree. - if (parentBranch.children[region].children.data.x == node.x && - parentBranch.children[region].children.data.y == node.y) { - node.x += Math.random(); - node.y += Math.random(); - } - else { - this._splitBranch(parentBranch.children[region]); - this._placeInTree(parentBranch.children[region],node); + exports._setLevel = function(level, edges, parentId) { + for (var i = 0; i < edges.length; i++) { + var childNode = null; + if (edges[i].toId == parentId) { + childNode = edges[i].from; + } + else { + childNode = edges[i].to; + } + if (childNode.level == -1 || childNode.level > level) { + childNode.level = level; + if (childNode.edges.length > 1) { + this._setLevel(level+1, childNode.edges, childNode.id); } - break; - case 4: // place in branch - this._placeInTree(parentBranch.children[region],node); - break; + } } }; /** - * this function splits a branch into 4 sub branches. If the branch contained a node, we place it in the subbranch - * after the split is complete. + * this function is called recursively to enumerate the branched of the first node and give each node a level based on edge direction * - * @param parentBranch + * @param level + * @param edges + * @param parentId * @private */ - exports._splitBranch = function(parentBranch) { - // if the branch is shaded with a node, replace the node in the new subset. - var containedNode = null; - if (parentBranch.childrenCount == 1) { - containedNode = parentBranch.children.data; - parentBranch.mass = 0; parentBranch.centerOfMass.x = 0; parentBranch.centerOfMass.y = 0; + exports._setLevelDirected = function(level, edges, parentId) { + this.nodes[parentId].hierarchyEnumerated = true; + var childNode, direction; + for (var i = 0; i < edges.length; i++) { + direction = 1; + if (edges[i].toId == parentId) { + childNode = edges[i].from; + direction = -1; + } + else { + childNode = edges[i].to; + } + if (childNode.level == -1) { + childNode.level = level + direction; + } } - parentBranch.childrenCount = 4; - parentBranch.children.data = null; - this._insertRegion(parentBranch,"NW"); - this._insertRegion(parentBranch,"NE"); - this._insertRegion(parentBranch,"SW"); - this._insertRegion(parentBranch,"SE"); - if (containedNode != null) { - this._placeInTree(parentBranch,containedNode); + for (var i = 0; i < edges.length; i++) { + if (edges[i].toId == parentId) {childNode = edges[i].from;} + else {childNode = edges[i].to;} + + if (childNode.edges.length > 1 && childNode.hierarchyEnumerated === false) { + this._setLevelDirected(childNode.level, childNode.edges, childNode.id); + } } }; /** - * This function subdivides the region into four new segments. - * Specifically, this inserts a single new segment. - * It fills the children section of the parentBranch + * Unfix nodes * - * @param parentBranch - * @param region - * @param parentRange * @private */ - exports._insertRegion = function(parentBranch, region) { - var minX,maxX,minY,maxY; - var childSize = 0.5 * parentBranch.size; - switch (region) { - case "NW": - minX = parentBranch.range.minX; - maxX = parentBranch.range.minX + childSize; - minY = parentBranch.range.minY; - maxY = parentBranch.range.minY + childSize; - break; - case "NE": - minX = parentBranch.range.minX + childSize; - maxX = parentBranch.range.maxX; - minY = parentBranch.range.minY; - maxY = parentBranch.range.minY + childSize; - break; - case "SW": - minX = parentBranch.range.minX; - maxX = parentBranch.range.minX + childSize; - minY = parentBranch.range.minY + childSize; - maxY = parentBranch.range.maxY; - break; - case "SE": - minX = parentBranch.range.minX + childSize; - maxX = parentBranch.range.maxX; - minY = parentBranch.range.minY + childSize; - maxY = parentBranch.range.maxY; - break; + exports._restoreNodes = function() { + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.nodes[nodeId].xFixed = false; + this.nodes[nodeId].yFixed = false; + } } + }; - parentBranch.children[region] = { - centerOfMass:{x:0,y:0}, - mass:0, - range:{minX:minX,maxX:maxX,minY:minY,maxY:maxY}, - size: 0.5 * parentBranch.size, - calcSize: 2 * parentBranch.calcSize, - children: {data:null}, - maxWidth: 0, - level: parentBranch.level+1, - childrenCount: 0 - }; +/***/ }, +/* 70 */ +/***/ function(module, exports, __webpack_require__) { + + // English + exports['en'] = { + edit: 'Edit', + del: 'Delete selected', + back: 'Back', + addNode: 'Add Node', + addEdge: 'Add Edge', + editNode: 'Edit Node', + editEdge: 'Edit Edge', + addDescription: 'Click in an empty space to place a new node.', + edgeDescription: 'Click on a node and drag the edge to another node to connect them.', + editEdgeDescription: 'Click on the control points and drag them to a node to connect to it.', + createEdgeError: 'Cannot link edges to a cluster.', + deleteClusterError: 'Clusters cannot be deleted.' + }; + exports['en_EN'] = exports['en']; + exports['en_US'] = exports['en']; + + // Dutch + exports['nl'] = { + edit: 'Wijzigen', + del: 'Selectie verwijderen', + back: 'Terug', + addNode: 'Node toevoegen', + addEdge: 'Link toevoegen', + editNode: 'Node wijzigen', + editEdge: 'Link wijzigen', + addDescription: 'Klik op een leeg gebied om een nieuwe node te maken.', + edgeDescription: 'Klik op een node en sleep de link naar een andere node om ze te verbinden.', + editEdgeDescription: 'Klik op de verbindingspunten en sleep ze naar een node om daarmee te verbinden.', + createEdgeError: 'Kan geen link maken naar een cluster.', + deleteClusterError: 'Clusters kunnen niet worden verwijderd.' }; + exports['nl_NL'] = exports['nl']; + exports['nl_BE'] = exports['nl']; + +/***/ }, +/* 71 */ +/***/ function(module, exports, __webpack_require__) { /** - * This function is for debugging purposed, it draws the tree. - * - * @param ctx - * @param color - * @private + * Canvas shapes used by Network */ - exports._drawTree = function(ctx,color) { - if (this.barnesHutTree !== undefined) { + if (typeof CanvasRenderingContext2D !== 'undefined') { - ctx.lineWidth = 1; + /** + * Draw a circle shape + */ + CanvasRenderingContext2D.prototype.circle = function(x, y, r) { + this.beginPath(); + this.arc(x, y, r, 0, 2*Math.PI, false); + }; - this._drawBranch(this.barnesHutTree.root,ctx,color); - } - }; + /** + * Draw a square shape + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r size, width and height of the square + */ + CanvasRenderingContext2D.prototype.square = function(x, y, r) { + this.beginPath(); + this.rect(x - r, y - r, r * 2, r * 2); + }; + /** + * Draw a triangle shape + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r radius, half the length of the sides of the triangle + */ + CanvasRenderingContext2D.prototype.triangle = function(x, y, r) { + // http://en.wikipedia.org/wiki/Equilateral_triangle + this.beginPath(); - /** - * This function is for debugging purposes. It draws the branches recursively. - * - * @param branch - * @param ctx - * @param color - * @private - */ - exports._drawBranch = function(branch,ctx,color) { - if (color === undefined) { - color = "#FF0000"; - } + var s = r * 2; + var s2 = s / 2; + var ir = Math.sqrt(3) / 6 * s; // radius of inner circle + var h = Math.sqrt(s * s - s2 * s2); // height - if (branch.childrenCount == 4) { - this._drawBranch(branch.children.NW,ctx); - this._drawBranch(branch.children.NE,ctx); - this._drawBranch(branch.children.SE,ctx); - this._drawBranch(branch.children.SW,ctx); - } - ctx.strokeStyle = color; - ctx.beginPath(); - ctx.moveTo(branch.range.minX,branch.range.minY); - ctx.lineTo(branch.range.maxX,branch.range.minY); - ctx.stroke(); + this.moveTo(x, y - (h - ir)); + this.lineTo(x + s2, y + ir); + this.lineTo(x - s2, y + ir); + this.lineTo(x, y - (h - ir)); + this.closePath(); + }; - ctx.beginPath(); - ctx.moveTo(branch.range.maxX,branch.range.minY); - ctx.lineTo(branch.range.maxX,branch.range.maxY); - ctx.stroke(); + /** + * Draw a triangle shape in downward orientation + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r radius + */ + CanvasRenderingContext2D.prototype.triangleDown = function(x, y, r) { + // http://en.wikipedia.org/wiki/Equilateral_triangle + this.beginPath(); - ctx.beginPath(); - ctx.moveTo(branch.range.maxX,branch.range.maxY); - ctx.lineTo(branch.range.minX,branch.range.maxY); - ctx.stroke(); + var s = r * 2; + var s2 = s / 2; + var ir = Math.sqrt(3) / 6 * s; // radius of inner circle + var h = Math.sqrt(s * s - s2 * s2); // height - ctx.beginPath(); - ctx.moveTo(branch.range.minX,branch.range.maxY); - ctx.lineTo(branch.range.minX,branch.range.minY); - ctx.stroke(); + this.moveTo(x, y + (h - ir)); + this.lineTo(x + s2, y - ir); + this.lineTo(x - s2, y - ir); + this.lineTo(x, y + (h - ir)); + this.closePath(); + }; - /* - if (branch.mass > 0) { - ctx.circle(branch.centerOfMass.x, branch.centerOfMass.y, 3*branch.mass); - ctx.stroke(); - } + /** + * Draw a star shape, a star with 5 points + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r radius, half the length of the sides of the triangle */ - }; + CanvasRenderingContext2D.prototype.star = function(x, y, r) { + // http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/ + this.beginPath(); + for (var n = 0; n < 10; n++) { + var radius = (n % 2 === 0) ? r * 1.3 : r * 0.5; + this.lineTo( + x + radius * Math.sin(n * 2 * Math.PI / 10), + y - radius * Math.cos(n * 2 * Math.PI / 10) + ); + } -/***/ }, -/* 71 */ -/***/ function(module, exports, __webpack_require__) { + this.closePath(); + }; - module.exports = function(module) { - if(!module.webpackPolyfill) { - module.deprecate = function() {}; - module.paths = []; - // module.parent = undefined by default - module.children = []; - module.webpackPolyfill = 1; - } - return module; + /** + * http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas + */ + CanvasRenderingContext2D.prototype.roundRect = function(x, y, w, h, r) { + var r2d = Math.PI/180; + if( w - ( 2 * r ) < 0 ) { r = ( w / 2 ); } //ensure that the radius isn't too large for x + if( h - ( 2 * r ) < 0 ) { r = ( h / 2 ); } //ensure that the radius isn't too large for y + this.beginPath(); + this.moveTo(x+r,y); + this.lineTo(x+w-r,y); + this.arc(x+w-r,y+r,r,r2d*270,r2d*360,false); + this.lineTo(x+w,y+h-r); + this.arc(x+w-r,y+h-r,r,0,r2d*90,false); + this.lineTo(x+r,y+h); + this.arc(x+r,y+h-r,r,r2d*90,r2d*180,false); + this.lineTo(x,y+r); + this.arc(x+r,y+r,r,r2d*180,r2d*270,false); + }; + + /** + * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas + */ + CanvasRenderingContext2D.prototype.ellipse = function(x, y, w, h) { + var kappa = .5522848, + ox = (w / 2) * kappa, // control point offset horizontal + oy = (h / 2) * kappa, // control point offset vertical + xe = x + w, // x-end + ye = y + h, // y-end + xm = x + w / 2, // x-middle + ym = y + h / 2; // y-middle + + this.beginPath(); + this.moveTo(x, ym); + this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); + this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); + this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); + this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); + }; + + + + /** + * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas + */ + CanvasRenderingContext2D.prototype.database = function(x, y, w, h) { + var f = 1/3; + var wEllipse = w; + var hEllipse = h * f; + + var kappa = .5522848, + ox = (wEllipse / 2) * kappa, // control point offset horizontal + oy = (hEllipse / 2) * kappa, // control point offset vertical + xe = x + wEllipse, // x-end + ye = y + hEllipse, // y-end + xm = x + wEllipse / 2, // x-middle + ym = y + hEllipse / 2, // y-middle + ymb = y + (h - hEllipse/2), // y-midlle, bottom ellipse + yeb = y + h; // y-end, bottom ellipse + + this.beginPath(); + this.moveTo(xe, ym); + + this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); + this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); + + this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); + this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); + + this.lineTo(xe, ymb); + + this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb); + this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb); + + this.lineTo(x, ym); + }; + + + /** + * Draw an arrow point (no line) + */ + CanvasRenderingContext2D.prototype.arrow = function(x, y, angle, length) { + // tail + var xt = x - length * Math.cos(angle); + var yt = y - length * Math.sin(angle); + + // inner tail + // TODO: allow to customize different shapes + var xi = x - length * 0.9 * Math.cos(angle); + var yi = y - length * 0.9 * Math.sin(angle); + + // left + var xl = xt + length / 3 * Math.cos(angle + 0.5 * Math.PI); + var yl = yt + length / 3 * Math.sin(angle + 0.5 * Math.PI); + + // right + var xr = xt + length / 3 * Math.cos(angle - 0.5 * Math.PI); + var yr = yt + length / 3 * Math.sin(angle - 0.5 * Math.PI); + + this.beginPath(); + this.moveTo(x, y); + this.lineTo(xl, yl); + this.lineTo(xi, yi); + this.lineTo(xr, yr); + this.closePath(); + }; + + /** + * Sets up the dashedLine functionality for drawing + * Original code came from http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas + * @author David Jordan + * @date 2012-08-08 + */ + CanvasRenderingContext2D.prototype.dashedLine = function(x,y,x2,y2,dashArray){ + if (!dashArray) dashArray=[10,5]; + if (dashLength==0) dashLength = 0.001; // Hack for Safari + var dashCount = dashArray.length; + this.moveTo(x, y); + var dx = (x2-x), dy = (y2-y); + var slope = dy/dx; + var distRemaining = Math.sqrt( dx*dx + dy*dy ); + var dashIndex=0, draw=true; + while (distRemaining>=0.1){ + var dashLength = dashArray[dashIndex++%dashCount]; + if (dashLength > distRemaining) dashLength = distRemaining; + var xStep = Math.sqrt( dashLength*dashLength / (1 + slope*slope) ); + if (dx<0) xStep = -xStep; + x += xStep; + y += slope*xStep; + this[draw ? 'lineTo' : 'moveTo'](x,y); + distRemaining -= dashLength; + draw = !draw; + } + }; + + // TODO: add diamond shape } diff --git a/lib/network/Images.js b/lib/network/Images.js index 9e6962d5..0d3135ca 100644 --- a/lib/network/Images.js +++ b/lib/network/Images.js @@ -4,6 +4,7 @@ */ function Images() { this.images = {}; + this.imageBroken = {}; this.callback = undefined; } @@ -23,13 +24,12 @@ Images.prototype.setOnloadCallback = function(callback) { * @return {Image} img The image object */ Images.prototype.load = function(url, brokenUrl) { - var img = this.images[url]; + var img = this.images[url]; // make a pointer if (img === undefined) { // create the image var me = this; img = new Image(); img.onload = function () { - // IE11 fix -- thanks dponch! if (this.width == 0) { document.body.appendChild(this); @@ -52,8 +52,16 @@ Images.prototype.load = function(url, brokenUrl) { me.callback(this); } } + else if (me.imageBroken[url] === true) { + console.error("Could not load brokenImage:", brokenUrl); + delete this.src; + if (me.callback) { + me.callback(this); + } + } else { this.src = brokenUrl; + me.imageBroken[url] = true; } };