From ac74e826b0833c118164e873718a8b016805518f Mon Sep 17 00:00:00 2001 From: Alex de Mulder Date: Mon, 22 Dec 2014 11:34:02 +0100 Subject: [PATCH] fixed graph2d not updating on animation correctly --- dist/vis.js | 52375 +++++++++++++------------- examples/graph2d/01_basic.html | 2 +- lib/timeline/component/LineGraph.js | 5 +- 3 files changed, 26192 insertions(+), 26190 deletions(-) diff --git a/dist/vis.js b/dist/vis.js index b5fd50b4..efbe3065 100644 --- a/dist/vis.js +++ b/dist/vis.js @@ -5,7 +5,7 @@ * A dynamic, browser-based visualization library. * * @version 3.7.2-SNAPSHOT - * @date 2014-12-19 + * @date 2014-12-22 * * @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__(44), + 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__(45), + 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 @@ -1444,21146 +1444,20307 @@ 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.} [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'; - - // create a frame and canvas - this.create(); - - // apply options (also when undefined) - this.setOptions(options); - - // apply data - if (data) { - this.setData(data); - } - } - - // Extend Graph3d with an Emitter mixin - Emitter(Graph3d.prototype); - - /** - * 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)); - - // 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; - } - } - - // scale the vertical axis - this.scale.z *= this.verticalRatio; - // TODO: can this be automated? verticalRatio? - - // 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); - }; - - - /** - * 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); - }; - - /** - * 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, - - cx = this.camera.getCameraLocation().x, - cy = this.camera.getCameraLocation().y, - cz = this.camera.getCameraLocation().z, - - // 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); - }; - - /** - * 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; - - // 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()); - } - - // 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); - }; - - /** - * 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'; - } - - this.frame.style.backgroundColor = fill; - this.frame.style.borderColor = stroke; - this.frame.style.borderWidth = strokeWidth + 'px'; - this.frame.style.borderStyle = 'solid'; - }; - - - /// 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 - }; - - /** - * 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; - } - - return -1; - }; - - /** - * 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; - - 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; - - if (data.getNumberOfColumns() > 4) { - this.colFilter = 4; - } - } - else { - throw 'Unknown style "' + this.style + '"'; - } - }; - - Graph3d.prototype.getNumberOfRows = function(data) { - return data.length; - } - - - Graph3d.prototype.getNumberOfColumns = function(data) { - var counter = 0; - for (var column in data[0]) { - if (data[0].hasOwnProperty(column)) { - counter++; - } - } - return counter; - } - - - 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; - } - - - 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; - }; - - /** - * 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; - - // unsubscribe from the dataTable - if (this.dataSet) { - this.dataSet.off('*', this._onChange); - } - - if (rawData === undefined) - return; - - if (Array.isArray(rawData)) { - rawData = new DataSet(rawData); - } - - var data; - if (rawData instanceof DataSet || rawData instanceof DataView) { - data = rawData.get(); - } - else { - throw new Error('Array, DataSet, or DataView expected'); - } - - if (data.length == 0) - return; - - this.dataSet = rawData; - this.dataTable = data; - - // subscribe to changes in the dataset - this._onChange = function () { - me.setData(me.dataSet); - }; - this.dataSet.on('*', this._onChange); - - // _determineColumnIndexes - // getNumberOfRows (points) - // getNumberOfColumns (x,y,z,v,t,t1,t2...) - // getDistinctValues (unique values?) - // getColumnRange - - // 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'; - - - - // 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();}); - } - } - - - var withBars = this.style == Graph3d.STYLE.BAR || - this.style == Graph3d.STYLE.BARCOLOR || - this.style == Graph3d.STYLE.BARSIZE; - - // 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; - } - - 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; - - 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; - - 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; - - 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; - } - - // set the scale dependent on the ranges. - this._setScale(); - }; - - - - /** - * 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; - - 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); - } - if (dataY.indexOf(y) === -1) { - dataY.push(y); - } - } - - 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); - } - - // 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; - - 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; - - dataPoints.push(obj); - } - } - - return dataPoints; - }; - - /** - * 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); - } - - 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); - - // 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); - }; - - - /** - * 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; - - this._resizeCanvas(); - }; - - /** - * 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.frame.canvas.width = this.frame.canvas.clientWidth; - this.frame.canvas.height = this.frame.canvas.clientHeight; - - // adjust with for margin - this.frame.filter.style.width = (this.frame.canvas.clientWidth - 2 * 10) + 'px'; - }; - - /** - * Start animation - */ - Graph3d.prototype.animationStart = function() { - if (!this.frame.filter || !this.frame.filter.slider) - throw 'No animation available'; - - this.frame.filter.slider.play(); - }; - - - /** - * Stop animation - */ - Graph3d.prototype.animationStop = function() { - if (!this.frame.filter || !this.frame.filter.slider) return; - - this.frame.filter.slider.stop(); - }; - - - /** - * 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 - } - - // 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 - } - }; - - /** - * 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; - } - - if (pos.horizontal !== undefined && pos.vertical !== undefined) { - this.camera.setArmRotation(pos.horizontal, pos.vertical); - } - - if (pos.distance !== undefined) { - this.camera.setArmLength(pos.distance); - } - - this.redraw(); - }; - - - /** - * 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; - }; - - /** - * 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 { - // no filtering. load all data - this.dataPoints = this._getDataPoints(this.dataTable); - } - - // draw the filter - this._redrawFilter(); - }; - - /** - * Replace the dataset of the Graph3d - * @param {Array | DataSet | DataView} data - */ - Graph3d.prototype.setData = function (data) { - this._readData(data); - this.redraw(); - - // start animation when option is true - if (this.animationAutoStart && this.dataFilter) { - this.animationStart(); - } - }; - - /** - * Update the options. Options will be merged with current options - * @param {Object} options - */ - Graph3d.prototype.setOptions = function (options) { - var cameraPosition = undefined; - - this.animationStop(); - - if (options !== undefined) { - // retrieve parameter values - if (options.width !== undefined) this.width = options.width; - if (options.height !== undefined) this.height = options.height; - - if (options.xCenter !== undefined) this.defaultXCenter = options.xCenter; - if (options.yCenter !== undefined) this.defaultYCenter = options.yCenter; - - 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; - - if (options.xValueLabel !== undefined) this.xValueLabel = options.xValueLabel; - if (options.yValueLabel !== undefined) this.yValueLabel = options.yValueLabel; - if (options.zValueLabel !== undefined) this.zValueLabel = options.zValueLabel; - - 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; - - if (options.animationInterval !== undefined) this.animationInterval = options.animationInterval; - if (options.animationPreload !== undefined) this.animationPreload = options.animationPreload; - if (options.animationAutoStart !== undefined)this.animationAutoStart = options.animationAutoStart; + YEAR = 0, + MONTH = 1, + DATE = 2, + HOUR = 3, + MINUTE = 4, + SECOND = 5, + MILLISECOND = 6, - if (options.xBarWidth !== undefined) this.defaultXBarWidth = options.xBarWidth; - if (options.yBarWidth !== undefined) this.defaultYBarWidth = options.yBarWidth; + // internal storage for locale config files + locales = {}, - 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; + // extra moment internal properties (plugins register props here) + momentProperties = [], - if (options.cameraPosition !== undefined) cameraPosition = options.cameraPosition; + // check for nodeJS + hasModule = (typeof module !== 'undefined' && module && module.exports), - 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); - } - } + // ASP.NET json date format regex + aspNetJsonRegex = /^\/?Date\((\-?\d+)/i, + aspNetTimeSpanJsonRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/, - this._setBackgroundColor(options && options.backgroundColor); + // 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)$/, - this.setSize(this.width, this.height); + // 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, - // re-load the data - if (this.dataTable) { - this.setData(this.dataTable); - } + // 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 - // start animation when option is true - if (this.animationAutoStart && this.dataFilter) { - this.animationStart(); - } - }; + //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 - /** - * Redraw the Graph. - */ - Graph3d.prototype.redraw = function() { - if (this.dataPoints === undefined) { - throw 'Error: graph data not initialized'; - } + // 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$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/, - this._resizeCanvas(); - this._resizeCenter(); - this._redrawSlider(); - this._redrawClear(); - this._redrawAxis(); + isoFormat = 'YYYY-MM-DDTHH:mm:ssZ', - 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(); - } + 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}/] + ], - this._redrawInfo(); - this._redrawLegend(); - }; + // 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/] + ], - /** - * Clear the canvas before redrawing - */ - Graph3d.prototype._redrawClear = function() { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); + // timezone chunker '+10:00' > ['10', '00'] or '-1530' > ['-15', '30'] + parseTimezoneChunker = /([\+\-]|\d\d)/gi, - ctx.clearRect(0, 0, canvas.width, canvas.height); - }; + // 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 + }, + 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' + }, - /** - * Redraw the legend showing the colors - */ - Graph3d.prototype._redrawLegend = function() { - var y; + camelFunctions = { + dayofyear : 'dayOfYear', + isoweekday : 'isoWeekday', + isoweek : 'isoWeek', + weekyear : 'weekYear', + isoweekyear : 'isoWeekYear' + }, - if (this.style === Graph3d.STYLE.DOTCOLOR || - this.style === Graph3d.STYLE.DOTSIZE) { + // format function strings + formatFunctions = {}, - var dotSize = this.frame.clientWidth * 0.02; + // 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 + }, - 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 - } + // tokens to ordinalize and pad + ordinalizeTokens = 'DDD w W M D d'.split(' '), + paddedTokens = 'M D H h m s w W'.split(' '), - 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; - } + 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.zone(), + b = '+'; + if (a < 0) { + a = -a; + b = '-'; + } + return b + leftZeroFill(toInt(a / 60), 2) + ':' + leftZeroFill(toInt(a) % 60, 2); + }, + ZZ : function () { + var a = -this.zone(), + 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(); + } + }, - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); - ctx.lineWidth = 1; - ctx.font = '14px arial'; // TODO: put in options + deprecations = {}, - 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); + lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin']; - //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); + // 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'); + } + } - ctx.strokeStyle = color; - ctx.beginPath(); - ctx.moveTo(left, top + y); - ctx.lineTo(right, top + y); - ctx.stroke(); + function hasOwnProp(a, b) { + return hasOwnProperty.call(a, b); } - ctx.strokeStyle = this.colorAxis; - ctx.strokeRect(left, top, widthMax, height); - } + 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 (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(); - } + function printMsg(msg) { + if (moment.suppressDeprecationWarnings === false && + typeof console !== 'undefined' && console.warn) { + console.warn('Deprecation warning: ' + msg); + } + } - 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(); + function deprecate(msg, fn) { + var firstTime = true; + return extend(function () { + if (firstTime) { + printMsg(msg); + firstTime = false; + } + return fn.apply(this, arguments); + }, fn); } - 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 deprecateSimple(name, msg) { + if (!deprecations[name]) { + printMsg(msg); + deprecations[name] = true; + } + } - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = this.colorAxis; - ctx.fillText(step.getCurrent(), left - 2 * gridLineLen, y); + 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); + }; + } - step.next(); + 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); - ctx.textAlign = 'right'; - ctx.textBaseline = 'top'; - var label = this.legendLabel; - ctx.fillText(label, right, bottom + this.margin); - } - }; - /** - * Redraw the filter - */ - Graph3d.prototype._redrawFilter = function() { - this.frame.filter.innerHTML = ''; + /************************************ + Constructors + ************************************/ - if (this.dataFilter) { - var options = { - 'visible': this.showAnimationControls - }; - var slider = new Slider(this.frame.filter, options); - this.frame.filter.slider = slider; + function Locale() { + } - // TODO: css here is not nice here... - this.frame.filter.style.padding = '10px'; - //this.frame.filter.style.backgroundColor = '#EFEFEF'; + // Moment prototype object + function Moment(config, skipOverflow) { + if (skipOverflow !== false) { + checkOverflow(config); + } + copyConfig(this, config); + this._d = new Date(+config._d); + } - slider.setValues(this.dataFilter.values); - slider.setPlayInterval(this.animationInterval); + // 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; - // create an event handler - var me = this; - var onchange = function () { - var index = slider.getIndex(); + // 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; - me.dataFilter.selectValue(index); - me.dataPoints = me.dataFilter._getDataPoints(); + this._data = {}; - me.redraw(); - }; - slider.setOnChangeCallback(onchange); - } - else { - this.frame.filter.slider = undefined; - } - }; + this._locale = moment.localeData(); - /** - * Redraw the slider - */ - Graph3d.prototype._redrawSlider = function() { - if ( this.frame.filter.slider !== undefined) { - this.frame.filter.slider.redraw(); - } - }; + this._bubble(); + } + /************************************ + Helpers + ************************************/ - /** - * Redraw common information - */ - Graph3d.prototype._redrawInfo = function() { - if (this.dataFilter) { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); - ctx.font = '14px arial'; // TODO: put in options - ctx.lineStyle = 'gray'; - ctx.fillStyle = 'gray'; - ctx.textAlign = 'left'; - ctx.textBaseline = 'top'; + function extend(a, b) { + for (var i in b) { + if (hasOwnProp(b, i)) { + a[i] = b[i]; + } + } - var x = this.margin; - var y = this.margin; - ctx.fillText(this.dataFilter.getLabel() + ': ' + this.dataFilter.getSelectedValue(), x, y); - } - }; + if (hasOwnProp(b, 'toString')) { + a.toString = b.toString; + } + if (hasOwnProp(b, 'valueOf')) { + a.valueOf = b.valueOf; + } - /** - * 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; + return a; + } - // TODO: get the actual rendered style of the containerElement - //ctx.font = this.containerElement.style.font; - ctx.font = 24 / this.camera.getArmLength() + 'px arial'; + function copyConfig(to, from) { + var i, prop, val; - // 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 (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; + } - // 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 (momentProperties.length > 0) { + for (i in momentProperties) { + prop = momentProperties[i]; + val = from[prop]; + if (typeof val !== 'undefined') { + to[prop] = val; + } + } + } - 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(); + return to; } - 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(); - 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(); + function absRound(number) { + if (number < 0) { + return Math.ceil(number); + } else { + return Math.floor(number); + } } - 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'; + // 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; + + while (output.length < targetLength) { + output = '0' + output; + } + return (sign ? (forceSign ? '+' : '') : '-') + output; } - ctx.fillStyle = this.colorAxis; - ctx.fillText(' ' + this.xValueLabel(step.getCurrent()) + ' ', text.x, text.y); - step.next(); - } + function positiveMomentsDifference(base, other) { + var res = {milliseconds: 0, months: 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(); + res.months = other.month() - base.month() + + (other.year() - base.year()) * 12; + if (base.clone().add(res.months, 'M').isAfter(other)) { + --res.months; + } - 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(); - } + res.milliseconds = +other - +(base.clone().add(res.months, 'M')); - 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'; + return res; } - ctx.fillStyle = this.colorAxis; - ctx.fillText(' ' + this.yValueLabel(step.getCurrent()) + ' ', text.x, text.y); - - step.next(); - } - // 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 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; + } - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = this.colorAxis; - ctx.fillText(this.zValueLabel(step.getCurrent()) + ' ', from.x - 5, from.y); + return res; + } - 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(); + // 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; + } - // 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(); + val = typeof val === 'string' ? +val : val; + dur = moment.duration(val, period); + addOrSubtractDurationFromMoment(this, dur, direction); + return this; + }; + } - // 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(); + function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) { + var milliseconds = duration._milliseconds, + days = duration._days, + months = duration._months; + updateOffset = updateOffset == null ? true : updateOffset; - // 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'; + 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); + } } - else if (Math.sin(armAngle * 2) < 0){ - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; + + // check if is an array + function isArray(input) { + return Object.prototype.toString.call(input) === '[object Array]'; } - else { - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; + + function isDate(input) { + return Object.prototype.toString.call(input) === '[object Date]' || + input instanceof Date; } - 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'; + // 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 if (Math.sin(armAngle * 2) > 0){ - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; + + function normalizeUnits(units) { + if (units) { + var lowered = units.toLowerCase().replace(/(.)s$/, '$1'); + units = unitAliases[units] || camelFunctions[lowered] || lowered; + } + return units; } - else { - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; + + function normalizeObjectUnits(inputObject) { + var normalizedInput = {}, + normalizedProp, + prop; + + for (prop in inputObject) { + if (hasOwnProp(inputObject, prop)) { + normalizedProp = normalizeUnits(prop); + if (normalizedProp) { + normalizedInput[normalizedProp] = inputObject[prop]; + } + } + } + + return normalizedInput; } - 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 makeList(field) { + var count, setter; - /** - * 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; + if (field.indexOf('week') === 0) { + count = 7; + setter = 'day'; + } + else if (field.indexOf('month') === 0) { + count = 12; + setter = 'month'; + } + else { + return; + } - C = V * S; - Hi = Math.floor(H/60); // hi = 0,1,2,3,4,5 - X = C * (1 - Math.abs(((H/60) % 2) - 1)); + moment[field] = function (format, index) { + var i, getter, + method = moment._locale[field], + results = []; + + 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 || ''); + }; + + if (index != null) { + return getter(index); + } + else { + for (i = 0; i < count; i++) { + results.push(getter(i)); + } + return results; + } + }; + } - 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; + function toInt(argumentForCoercion) { + var coercedNumber = +argumentForCoercion, + value = 0; - default: R = 0; G = 0; B = 0; break; - } + if (coercedNumber !== 0 && isFinite(coercedNumber)) { + if (coercedNumber >= 0) { + value = Math.floor(coercedNumber); + } else { + value = Math.ceil(coercedNumber); + } + } - return 'RGB(' + parseInt(R*255) + ',' + parseInt(G*255) + ',' + parseInt(B*255) + ')'; - }; + return value; + } + function daysInMonth(year, month) { + return new Date(Date.UTC(year, month + 1, 0)).getUTCDate(); + } - /** - * 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; + function weeksInYear(year, dow, doy) { + return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week; + } + function daysInYear(year) { + return isLeapYear(year) ? 366 : 365; + } - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + function isLeapYear(year) { + return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; + } - // 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); + 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; - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; + if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { + overflow = DATE; + } - // 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; - } + m._pf.overflow = overflow; + } + } - // 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); + 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 (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; + if (m._strict) { + m._isValid = m._isValid && + m._pf.charsLeftOver === 0 && + m._pf.unusedTokens.length === 0 && + m._pf.bigHour === undefined; + } + } + return m._isValid; + } - if (point !== undefined && right !== undefined && top !== undefined && cross !== undefined) { + function normalizeLocale(key) { + return key ? key.toLowerCase().replace('_', '-') : key; + } - 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) + // 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; - topSideVisible = (crossproduct.z > 0); - } - else { - topSideVisible = true; + 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; + } - 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 (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; + 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) { } } - 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 locales[name]; } - } - 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()); + // Return a moment from input, that is local/utc/zone 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(); } - } + } - 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; + /************************************ + Locale + ************************************/ - 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(); - } - 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; + extend(Locale.prototype, { - 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(); - } - } - } - }; + 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); + }, + _months : 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'), + months : function (m) { + return this._months[m.month()]; + }, - /** - * 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; + _monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'), + monthsShort : function (m) { + return this._monthsShort[m.month()]; + }, - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + monthsParse : function (monthName, format, strict) { + var i, mom, regex; - // 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 (!this._monthsParse) { + this._monthsParse = []; + this._longMonthsParse = []; + this._shortMonthsParse = []; + } - // 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; - } + 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; + } + } + }, - // order the translated points by depth - var sortDepth = function (a, b) { - return b.dist - a.dist; - }; - this.dataPoints.sort(sortDepth); + _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'), + weekdays : function (m) { + return this._weekdays[m.day()]; + }, - // 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]; + _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'), + weekdaysShort : function (m) { + return this._weekdaysShort[m.day()]; + }, - 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(); - } + _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'), + weekdaysMin : function (m) { + return this._weekdaysMin[m.day()]; + }, - // 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; - } + weekdaysParse : function (weekdayName) { + var i, mom, regex; - 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 (!this._weekdaysParse) { + this._weekdaysParse = []; + } - 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); - } + 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; + } + } + }, - // 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(); - } - }; + _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; + }, - /** - * 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; + 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'); + }, - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + _meridiemParse : /[ap]\.?m?\.?/i, + meridiem : function (hours, minutes, isLower) { + if (hours > 11) { + return isLower ? 'pm' : 'PM'; + } else { + return isLower ? 'am' : 'AM'; + } + }, - // 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; + _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' + }, + + 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); + }, + + 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}/, + + preparse : function (string) { + return string; + }, + + postformat : function (string) { + return string; + }, - // 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; - } + week : function (mom) { + return weekOfYear(mom, this._week.dow, this._week.doy).week; + }, - // order the translated points by depth - var sortDepth = function (a, b) { - return b.dist - a.dist; - }; - this.dataPoints.sort(sortDepth); + _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. + }, - // 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]; + _invalidDate: 'Invalid date', + invalidDate: function () { + return this._invalidDate; + } + }); - // 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); - } + /************************************ + Formatting + ************************************/ - // 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); - } - // 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)} - ]; + function removeFormattingTokens(input) { + if (input.match(/\[[\s\S]/)) { + return input.replace(/^\[|\]$/g, ''); + } + return input.replace(/\\/g, ''); + } - // 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); - }); + function makeFormatFunction(format) { + var array = format.match(formattingTokens), i, length; - // 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; + for (i = 0, length = array.length; i < length; i++) { + if (formatTokenFunctions[array[i]]) { + array[i] = formatTokenFunctions[array[i]]; + } else { + array[i] = removeFormattingTokens(array[i]); + } + } - // 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}) + 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; + }; } - // order the surfaces by their (translated) depth - surfaces.sort(function (a, b) { - var diff = b.dist - a.dist; - if (diff) return diff; + // format date using native date object + function formatMoment(m, format) { + if (!m.isValid()) { + return m.localeData().invalidDate(); + } - // if equal depth, sort the top surface last - if (a.corners === top) return 1; - if (b.corners === top) return -1; + format = expandFormat(format, m.localeData()); - // both are equal - return 0; - }); + if (!formatFunctions[format]) { + formatFunctions[format] = makeFormatFunction(format); + } - // 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 formatFunctions[format](m); } - } - }; + function expandFormat(format, locale) { + var i = 5; - /** - * 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; + function replaceLongDateFormatTokens(input) { + return locale.longDateFormat(input) || input; + } - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + localFormattingTokens.lastIndex = 0; + while (i >= 0 && localFormattingTokens.test(format)) { + format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); + localFormattingTokens.lastIndex = 0; + i -= 1; + } - // 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); + return format; + } - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; - } - // start the line - if (this.dataPoints.length > 0) { - point = this.dataPoints[0]; + /************************************ + Parsing + ************************************/ - ctx.lineWidth = 1; // TODO: make customizable - ctx.strokeStyle = 'blue'; // TODO: make customizable - ctx.beginPath(); - ctx.moveTo(point.screen.x, point.screen.y); - } - // 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); - } + // 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; + } + } - // finish the line - if (this.dataPoints.length > 0) { - ctx.stroke(); - } - }; + function timezoneMinutesFromString(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]); - /** - * 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; + return parts[0] === '+' ? -minutes : minutes; + } - // check if mouse is still down (may be up when focus is lost for example - // in an iframe) - if (this.leftButtonDown) { - this._onMouseUp(event); - } + // function to convert string input to date + function addTimeToArrayFromToken(token, input, config) { + var a, datePartArray = config._a; - // only react on left mouse button down - this.leftButtonDown = event.which ? (event.which === 1) : (event.button === 1); - if (!this.leftButtonDown && !this.touchDown) return; + 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); + } - // get mouse position (different code for IE and all other browsers) - this.startMouseX = getMouseX(event); - this.startMouseY = getMouseY(event); + 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._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 = timezoneMinutesFromString(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.startStart = new Date(this.start); - this.startEnd = new Date(this.end); - this.startArmRotation = this.camera.getArmRotation(); + function dayOfYearFromWeekInfo(config) { + var w, weekYear, week, weekday, dow, doy, temp; - this.frame.style.cursor = 'move'; + w = config._w; + if (w.GG != null || w.W != null || w.E != null) { + dow = 1; + doy = 4; - // 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); - }; + // 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; + weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year); + week = dfl(w.w, 1); - /** - * 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; + 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); - // calculate change in mouse position - var diffX = parseFloat(getMouseX(event)) - this.startMouseX; - var diffY = parseFloat(getMouseY(event)) - this.startMouseY; + config._a[YEAR] = temp.year; + config._dayOfYear = temp.dayOfYear; + } - var horizontalNew = this.startArmRotation.horizontal + diffX / 200; - var verticalNew = this.startArmRotation.vertical + diffY / 200; + // 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; - var snapAngle = 4; // degrees - var snapValue = Math.sin(snapAngle / 360 * 2 * Math.PI); + if (config._d) { + return; + } - // 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; - } + currentDate = currentDateArray(config); - // 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; - } + //compute day of the year from weeks and weekdays + if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { + dayOfYearFromWeekInfo(config); + } - this.camera.setArmRotation(horizontalNew, verticalNew); - this.redraw(); + //if the day of the year is set, figure out what it is + if (config._dayOfYear) { + yearToUse = dfl(config._a[YEAR], currentDate[YEAR]); - // fire a cameraPositionChange event - var parameters = this.getCameraPosition(); - this.emit('cameraPositionChange', parameters); + if (config._dayOfYear > daysInYear(yearToUse)) { + config._pf._overflowDayOfYear = true; + } - util.preventDefault(event); - }; + date = makeUTCDate(yearToUse, 0, config._dayOfYear); + config._a[MONTH] = date.getUTCMonth(); + config._a[DATE] = date.getUTCDate(); + } + // 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]; + } - /** - * 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; + // 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]; + } - // remove event listeners here - util.removeEventListener(document, 'mousemove', this.onmousemove); - util.removeEventListener(document, 'mouseup', this.onmouseup); - util.preventDefault(event); - }; + // 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; + } - /** - * 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 mouseX = getMouseX(event) - util.getAbsoluteLeft(this.frame); - var mouseY = getMouseY(event) - util.getAbsoluteTop(this.frame); + config._d = (config._useUTC ? makeUTCDate : makeDate).apply(null, input); + // Apply timezone offset from input. The actual zone can be changed + // with parseZone. + if (config._tzm != null) { + config._d.setUTCMinutes(config._d.getUTCMinutes() + config._tzm); + } - if (!this.showTooltip) { - return; - } + if (config._nextDay) { + config._a[HOUR] = 24; + } + } - if (this.tooltipTimeout) { - clearTimeout(this.tooltipTimeout); - } + function dateFromObject(config) { + var normalizedInput; - // (delayed) display of a tooltip only if no mouse button is down - if (this.leftButtonDown) { - this._hideTooltip(); - return; - } + if (config._d) { + return; + } - 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(); - } + normalizedInput = normalizeObjectUnits(config._i); + config._a = [ + normalizedInput.year, + normalizedInput.month, + normalizedInput.day || normalizedInput.date, + normalizedInput.hour, + normalizedInput.minute, + normalizedInput.second, + normalizedInput.millisecond + ]; + + dateFromConfig(config); } - } - 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); - } - }; + 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()]; + } + } - /** - * Event handler for touchstart event on mobile devices - */ - Graph3d.prototype._onTouchStart = function(event) { - this.touchDown = true; + // date from string and format string + function makeDateFromStringAndFormat(config) { + if (config._f === moment.ISO_8601) { + parseISO(config); + return; + } - 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); + config._a = []; + config._pf.empty = true; - this._onMouseDown(event); - }; + // 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; - /** - * Event handler for touchmove event on mobile devices - */ - Graph3d.prototype._onTouchMove = function(event) { - this._onMouseMove(event); - }; + tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; - /** - * Event handler for touchend event on mobile devices - */ - Graph3d.prototype._onTouchEnd = function(event) { - this.touchDown = false; + 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); + } + } - util.removeEventListener(document, 'touchmove', this.ontouchmove); - util.removeEventListener(document, 'touchend', this.ontouchend); + // add remaining unparsed input length to the string + config._pf.charsLeftOver = stringLength - totalParsedInputLength; + if (string.length > 0) { + config._pf.unusedInput.push(string); + } - this._onMouseUp(event); - }; + // clear _12h flag if hour is <= 12 + if (config._pf.bigHour === true && config._a[HOUR] <= 12) { + config._pf.bigHour = undefined; + } + // handle am pm + if (config._isPm && config._a[HOUR] < 12) { + config._a[HOUR] += 12; + } + // if is 12 am, change hours to 0 + if (config._isPm === false && config._a[HOUR] === 12) { + config._a[HOUR] = 0; + } + dateFromConfig(config); + checkOverflow(config); + } + function unescapeFormat(s) { + return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { + return p1 || p2 || p3 || p4; + }); + } - /** - * 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; + // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript + function regexpEscape(s) { + return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + } - // 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; - } + // date from string and array of format strings + function makeDateFromStringAndArray(config) { + var tempConfig, + bestMoment, - // 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); + scoreToBeat, + i, + currentScore; - this.camera.setArmLength(newLength); - this.redraw(); + if (config._f.length === 0) { + config._pf.invalidFormat = true; + config._d = new Date(NaN); + return; + } - this._hideTooltip(); - } + 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); - // fire a cameraPositionChange event - var parameters = this.getCameraPosition(); - this.emit('cameraPositionChange', parameters); + if (!isValid(tempConfig)) { + continue; + } - // 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); - }; + // if there is any input that was not parsed add a penalty for that format + currentScore += tempConfig._pf.charsLeftOver; - /** - * 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]; + //or tokens + currentScore += tempConfig._pf.unusedTokens.length * 10; - function sign (x) { - return x > 0 ? 1 : x < 0 ? -1 : 0; - } + tempConfig._pf.score = currentScore; - 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)); + if (scoreToBeat == null || currentScore < scoreToBeat) { + scoreToBeat = currentScore; + bestMoment = tempConfig; + } + } - // 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); - }; + extend(config, bestMoment || tempConfig); + } - /** - * 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); + // date from iso format + function parseISO(config) { + var i, l, + string = config._i, + match = isoRegex.exec(string); - 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; - } + 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 { - // 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); - if ((closestDist === null || dist < closestDist) && dist < distMax) { - closestDist = dist; - closestDataPoint = dataPoint; + // date from iso format or fallback + function makeDateFromString(config) { + parseISO(config); + if (config._isValid === false) { + delete config._isValid; + moment.createFromInputFallback(config); } - } } - } - - - return closestDataPoint; - }; - - /** - * Display a tooltip for given data point - * @param {Object} dataPoint - * @private - */ - Graph3d.prototype._showTooltip = function (dataPoint) { - var content, line, dot; - - 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)'; - - line = document.createElement('div'); - line.style.position = 'absolute'; - line.style.height = '40px'; - line.style.width = '0'; - line.style.borderLeft = '1px solid #4d4d4d'; - - 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 - } - }; - } - else { - content = this.tooltip.dom.content; - line = this.tooltip.dom.line; - dot = this.tooltip.dom.dot; - } - - this._hideTooltip(); - - 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 + '
'; - } - content.style.left = '0'; - content.style.top = '0'; - this.frame.appendChild(content); - this.frame.appendChild(line); - this.frame.appendChild(dot); + function map(arr, fn) { + var res = [], i; + for (i = 0; i < arr.length; ++i) { + res.push(fn(arr[i], i)); + } + return res; + } - // calculate sizes - var contentWidth = content.offsetWidth; - var contentHeight = content.offsetHeight; - var lineHeight = line.offsetHeight; - var dotWidth = dot.offsetWidth; - var dotHeight = dot.offsetHeight; + 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); + } + } - var left = dataPoint.screen.x - contentWidth / 2; - left = Math.min(Math.max(left, 10), this.frame.clientWidth - 10 - contentWidth); + 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); - 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'; - }; + //the date constructor doesn't accept years < 1970 + if (y < 1970) { + date.setFullYear(y); + } + return date; + } - /** - * Hide the tooltip when displayed - * @private - */ - Graph3d.prototype._hideTooltip = function () { - if (this.tooltip) { - this.tooltip.dataPoint = null; + function makeUTCDate(y) { + var date = new Date(Date.UTC.apply(null, arguments)); + if (y < 1970) { + date.setUTCFullYear(y); + } + return date; + } - 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); + 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; } - } - }; - /**--------------------------------------------------------------------------**/ + /************************************ + Relative Time + ************************************/ - /** - * 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; - } + // 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); + } - /** - * 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; - } + 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')), - module.exports = Graph3d; + 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); + } -/***/ }, -/* 7 */ -/***/ function(module, exports, __webpack_require__) { - var Point3d = __webpack_require__(10); + /************************************ + Week of Year + ************************************/ - /** - * @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; - this.cameraLocation = new Point3d(); - this.cameraRotation = new Point3d(0.5*Math.PI, 0, 0); + // 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.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; + if (daysToDayOfWeek > end) { + daysToDayOfWeek -= 7; + } - this.calculateCameraOrientation(); - }; + if (daysToDayOfWeek < end - 7) { + daysToDayOfWeek += 7; + } - /** - * 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; - } + adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd'); + return { + week: Math.ceil(adjustedMoment.dayOfYear() / 7), + year: adjustedMoment.year() + }; + } - 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; - } + //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; - if (horizontal !== undefined || vertical !== undefined) { - this.calculateCameraOrientation(); - } - }; + 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; - /** - * 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; + return { + year: dayOfYear > 0 ? year : year - 1, + dayOfYear: dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear + }; + } - return rot; - }; + /************************************ + Top Level Functions + ************************************/ - /** - * 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; + function makeMoment(config) { + var input = config._i, + format = config._f, + res; - this.armLength = length; + config._locale = config._locale || moment.localeData(config._l); - // 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; + if (input === null || (format === undefined && input === '')) { + return moment.invalid({nullInput: true}); + } - this.calculateCameraOrientation(); - }; + if (typeof input === 'string') { + config._i = input = config._locale.preparse(input); + } - /** - * Retrieve the arm length - * @return {Number} length - */ - Camera.prototype.getArmLength = function() { - return this.armLength; - }; + if (moment.isMoment(input)) { + return new Moment(input, true); + } else if (format) { + if (isArray(format)) { + makeDateFromStringAndArray(config); + } else { + makeDateFromStringAndFormat(config); + } + } else { + makeDateFromInput(config); + } - /** - * Retrieve the camera location - * @return {Point3d} cameraLocation - */ - Camera.prototype.getCameraLocation = function() { - return this.cameraLocation; - }; + res = new Moment(config); + if (res._nextDay) { + // Adding is smart enough around DST + res.add(1, 'd'); + res._nextDay = undefined; + } - /** - * Retrieve the camera rotation - * @return {Point3d} cameraRotation - */ - Camera.prototype.getCameraRotation = function() { - return this.cameraRotation; - }; + return res; + } - /** - * 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); + moment = function (input, format, locale, strict) { + var c; - // calculate rotation of the camera - this.cameraRotation.x = Math.PI/2 - this.armRotation.vertical; - this.cameraRotation.y = 0; - this.cameraRotation.z = -this.armRotation.horizontal; - }; + 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(); - module.exports = Camera; + return makeMoment(c); + }; -/***/ }, -/* 8 */ -/***/ function(module, exports, __webpack_require__) { + moment.suppressDeprecationWarnings = false; - var DataView = __webpack_require__(4); + 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' : '')); + } + ); - /** - * @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 + // 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; + } - this.index = undefined; - this.value = undefined; + moment.min = function () { + var args = [].slice.call(arguments, 0); - // read all distinct values and select the first one - this.values = graph.getDistinctValues(data.get(), this.column); + return pickBy('isBefore', args); + }; - // sort both numeric and string values correctly - this.values.sort(function (a, b) { - return a > b ? 1 : a < b ? -1 : 0; - }); + moment.max = function () { + var args = [].slice.call(arguments, 0); - if (this.values.length > 0) { - this.selectValue(0); - } + return pickBy('isAfter', args); + }; - // create an array with the filtered datapoints. this will be loaded afterwards - this.dataPoints = []; + // creating with utc + moment.utc = function (input, format, locale, strict) { + var c; - this.loaded = false; - this.onLoadCallback = undefined; + 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(); - if (graph.animationPreload) { - this.loaded = false; - this.loadInBackground(); - } - else { - this.loaded = true; - } - }; + return makeMoment(c).utc(); + }; + // creating with unix timestamp (in seconds) + moment.unix = function (input) { + return moment(input * 1000); + }; - /** - * Return the label - * @return {string} label - */ - Filter.prototype.isLoaded = function() { - return this.loaded; - }; + // 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 (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; + } + ret = new Duration(duration); - /** - * Return the loaded progress - * @return {Number} percentage between 0 and 100 - */ - Filter.prototype.getLoadedProgress = function() { - var len = this.values.length; + if (moment.isDuration(input) && hasOwnProp(input, '_locale')) { + ret._locale = input._locale; + } - var i = 0; - while (this.dataPoints[i]) { - i++; - } + return ret; + }; - return Math.round(i / len * 100); - }; + // version number + moment.version = VERSION; + // default format + moment.defaultFormat = isoFormat; - /** - * Return the label - * @return {string} label - */ - Filter.prototype.getLabel = function() { - return this.graph.filterLabel; - }; + // constant that refers to the ISO standard + moment.ISO_8601 = function () {}; + // Plugins that add properties should also add the key here (null value), + // so we can properly clone ourselves. + moment.momentProperties = momentProperties; - /** - * Return the columnIndex of the filter - * @return {Number} columnIndex - */ - Filter.prototype.getColumn = function() { - return this.column; - }; + // 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 () {}; - /** - * Return the currently selected value. Returns undefined if there is no selection - * @return {*} value - */ - Filter.prototype.getSelectedValue = function() { - if (this.index === undefined) - return undefined; + // 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; + }; - return this.values[this.index]; - }; + moment.lang = deprecate( + 'moment.lang is deprecated. Use moment.locale instead.', + function (key, value) { + return moment.locale(key, value); + } + ); - /** - * Retrieve all values of the filter - * @return {Array} values - */ - Filter.prototype.getValues = function() { - return this.values; - }; + // 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); + } - /** - * 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'; + if (data) { + moment.duration._locale = moment._locale = data; + } + } - return this.values[index]; - }; + return moment._locale._abbr; + }; + moment.defineLocale = function (name, values) { + if (values !== null) { + values.abbr = name; + if (!locales[name]) { + locales[name] = new Locale(); + } + locales[name].set(values); - /** - * 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; + // backwards compat for now: also set the locale + moment.locale(name); - if (index === undefined) - return []; + return locales[name]; + } else { + // useful for testing + delete locales[name]; + return null; + } + }; - var dataPoints; - if (this.dataPoints[index]) { - dataPoints = this.dataPoints[index]; - } - else { - var f = {}; - f.column = this.column; - f.value = this.values[index]; + moment.langData = deprecate( + 'moment.langData is deprecated. Use moment.localeData instead.', + function (key) { + return moment.localeData(key); + } + ); - var dataView = new DataView(this.data,{filter: function (item) {return (item[f.column] == f.value);}}).get(); - dataPoints = this.graph._getDataPoints(dataView); + // returns locale data + moment.localeData = function (key) { + var locale; - this.dataPoints[index] = dataPoints; - } + if (key && key._locale && key._locale._abbr) { + key = key._locale._abbr; + } - return dataPoints; - }; + if (!key) { + return moment._locale; + } + if (!isArray(key)) { + //short-circuit everything else + locale = loadLocale(key); + if (locale) { + return locale; + } + key = [key]; + } + return chooseLocale(key); + }; - /** - * Set a callback function when the filter is fully loaded. - */ - Filter.prototype.setOnLoadCallback = function(callback) { - this.onLoadCallback = callback; - }; + // compare moment object + moment.isMoment = function (obj) { + return obj instanceof Moment || + (obj != null && hasOwnProp(obj, '_isAMomentObject')); + }; + // for typechecking Duration objects + moment.isDuration = function (obj) { + return obj instanceof Duration; + }; - /** - * 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 = lists.length - 1; i >= 0; --i) { + makeList(lists[i]); + } - this.index = index; - this.value = this.values[index]; - }; + moment.normalizeUnits = function (units) { + return normalizeUnits(units); + }; - /** - * 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; + moment.invalid = function (flags) { + var m = moment.utc(NaN); + if (flags != null) { + extend(m._pf, flags); + } + else { + m._pf.userInvalidated = true; + } - var frame = this.graph.frame; + return m; + }; - if (index < this.values.length) { - var dataPointsTemp = this._getDataPoints(index); - //this.graph.redrawInfo(); // TODO: not neat + moment.parseZone = function () { + return moment.apply(null, arguments).parseZone(); + }; - // 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); - } - 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'; + moment.parseTwoDigitYear = function (input) { + return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); + }; - var me = this; - setTimeout(function() {me.loadInBackground(index+1);}, 10); - this.loaded = false; - } - else { - this.loaded = true; + /************************************ + Moment Prototype + ************************************/ - // remove the progress box - if (frame.progress !== undefined) { - frame.removeChild(frame.progress); - frame.progress = undefined; - } - if (this.onLoadCallback) - this.onLoadCallback(); - } - }; + extend(moment.fn = Moment.prototype, { - module.exports = Filter; + clone : function () { + return moment(this); + }, + valueOf : function () { + return +this._d + ((this._offset || 0) * 60000); + }, -/***/ }, -/* 9 */ -/***/ function(module, exports, __webpack_require__) { + unix : function () { + return Math.floor(+this / 1000); + }, - /** - * @prototype Point2d - * @param {Number} [x] - * @param {Number} [y] - */ - function Point2d (x, y) { - this.x = x !== undefined ? x : 0; - this.y = y !== undefined ? y : 0; - } + toString : function () { + return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); + }, - module.exports = Point2d; + toDate : function () { + return this._offset ? new Date(+this) : this._d; + }, + 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]'); + } + }, -/***/ }, -/* 10 */ -/***/ function(module, exports, __webpack_require__) { + toArray : function () { + var m = this; + return [ + m.year(), + m.month(), + m.date(), + m.hours(), + m.minutes(), + m.seconds(), + m.milliseconds() + ]; + }, - /** - * @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; - }; + isValid : function () { + return isValid(this); + }, - /** - * 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; - }; + isDSTShifted : function () { + if (this._a) { + return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0; + } - /** - * Add the two provided points, returns a+b - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} a+b - */ - 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; - }; + return false; + }, - /** - * Calculate the average of two 3d points - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} The average, (a+b)/2 - */ - Point3d.avg = function(a, b) { - return new Point3d( - (a.x + b.x) / 2, - (a.y + b.y) / 2, - (a.z + b.z) / 2 - ); - }; + parsingFlags : function () { + return extend({}, this._pf); + }, - /** - * 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 - */ - Point3d.crossProduct = function(a, b) { - var crossproduct = new Point3d(); + invalidAt: function () { + return this._pf.overflow; + }, - 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; + utc : function (keepLocalTime) { + return this.zone(0, keepLocalTime); + }, - return crossproduct; - }; + local : function (keepLocalTime) { + if (this._isUTC) { + this.zone(0, keepLocalTime); + this._isUTC = false; + if (keepLocalTime) { + this.add(this._dateTzOffset(), 'm'); + } + } + return this; + }, - /** - * Rtrieve the length of the vector (or the distance from this point to the origin - * @return {Number} length - */ - Point3d.prototype.length = function() { - return Math.sqrt( - this.x * this.x + - this.y * this.y + - this.z * this.z - ); - }; + format : function (inputString) { + var output = formatMoment(this, inputString || moment.defaultFormat); + return this.localeData().postformat(output); + }, - module.exports = Point3d; + add : createAdder(1, 'add'), + subtract : createAdder(-1, 'subtract'), -/***/ }, -/* 11 */ -/***/ function(module, exports, __webpack_require__) { + diff : function (input, units, asFloat) { + var that = makeAs(input, this), + zoneDiff = (this.zone() - that.zone()) * 6e4, + diff, output, daysAdjust; - var util = __webpack_require__(1); + units = normalizeUnits(units); - /** - * @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 (units === 'year' || units === 'month') { + // average number of days in the months in the given dates + diff = (this.daysInMonth() + that.daysInMonth()) * 432e5; // 24 * 60 * 60 * 1000 / 2 + // difference in months + output = ((this.year() - that.year()) * 12) + (this.month() - that.month()); + // adjust by taking difference in days, average number of days + // and dst in the given months. + daysAdjust = (this - moment(this).startOf('month')) - + (that - moment(that).startOf('month')); + // same as above but with zones, to negate all dst + daysAdjust -= ((this.zone() - moment(this).startOf('month').zone()) - + (that.zone() - moment(that).startOf('month').zone())) * 6e4; + output += daysAdjust / diff; + 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.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); + from : function (time, withoutSuffix) { + return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); + }, - this.frame.prev = document.createElement('INPUT'); - this.frame.prev.type = 'BUTTON'; - this.frame.prev.value = 'Prev'; - this.frame.appendChild(this.frame.prev); + fromNow : function (withoutSuffix) { + return this.from(moment(), withoutSuffix); + }, - this.frame.play = document.createElement('INPUT'); - this.frame.play.type = 'BUTTON'; - this.frame.play.value = 'Play'; - this.frame.appendChild(this.frame.play); + calendar : function (time) { + // We want to compare the start of today, vs this. + // Getting start-of-today depends on whether we're zone'd 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))); + }, - this.frame.next = document.createElement('INPUT'); - this.frame.next.type = 'BUTTON'; - this.frame.next.value = 'Next'; - this.frame.appendChild(this.frame.next); + isLeapYear : function () { + return isLeapYear(this.year()); + }, - 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); + isDST : function () { + return (this.zone() < this.clone().month(0).zone() || + this.zone() < this.clone().month(5).zone()); + }, - 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); + 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; + } + }, - // 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);}; - } + month : makeAccessor('Month', true), - this.onChangeCallback = undefined; + 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.values = []; - this.index = undefined; + // weeks are a special case + if (units === 'week') { + this.weekday(0); + } else if (units === 'isoWeek') { + this.isoWeekday(1); + } - this.playTimeout = undefined; - this.playInterval = 1000; // milliseconds - this.playLoop = true; - } + // quarters are also special + if (units === 'quarter') { + this.month(Math.floor(this.month() / 3) * 3); + } - /** - * Select the previous index - */ - Slider.prototype.prev = function() { - var index = this.getIndex(); - if (index > 0) { - index--; - this.setIndex(index); - } - }; + return this; + }, - /** - * Select the next index - */ - Slider.prototype.next = function() { - var index = this.getIndex(); - if (index < this.values.length - 1) { - index++; - this.setIndex(index); - } - }; + 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'); + }, - /** - * Select the next index - */ - Slider.prototype.playNext = function() { - var start = new Date(); + 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); + } + }, - var index = this.getIndex(); - if (index < this.values.length - 1) { - index++; - this.setIndex(index); - } - else if (this.playLoop) { - // jump to the start - index = 0; - this.setIndex(index); - } + 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; + } + }, - var end = new Date(); - var diff = (end - start); + 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)); + } + }, - // 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 + 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; + } + ), - var me = this; - this.playTimeout = setTimeout(function() {me.playNext();}, interval); - }; + 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; + } + ), - /** - * Toggle start or stop playing - */ - Slider.prototype.togglePlay = function() { - if (this.playTimeout === undefined) { - this.play(); - } else { - this.stop(); - } - }; + // keepLocalTime = true means only change the timezone, without + // affecting the local hour. So 5:31:26 +0300 --[zone(2, true)]--> + // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist int zone + // +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. + zone : function (input, keepLocalTime) { + var offset = this._offset || 0, + localAdjust; + if (input != null) { + if (typeof input === 'string') { + input = timezoneMinutesFromString(input); + } + if (Math.abs(input) < 16) { + input = input * 60; + } + if (!this._isUTC && keepLocalTime) { + localAdjust = this._dateTzOffset(); + } + this._offset = input; + this._isUTC = true; + if (localAdjust != null) { + this.subtract(localAdjust, 'm'); + } + if (offset !== input) { + if (!keepLocalTime || this._changeInProgress) { + addOrSubtractDurationFromMoment(this, + moment.duration(offset - input, 'm'), 1, false); + } else if (!this._changeInProgress) { + this._changeInProgress = true; + moment.updateOffset(this, true); + this._changeInProgress = null; + } + } + } else { + return this._isUTC ? offset : this._dateTzOffset(); + } + return this; + }, - /** - * Start playing - */ - Slider.prototype.play = function() { - // Test whether already playing - if (this.playTimeout) return; + zoneAbbr : function () { + return this._isUTC ? 'UTC' : ''; + }, - this.playNext(); + zoneName : function () { + return this._isUTC ? 'Coordinated Universal Time' : ''; + }, - if (this.frame) { - this.frame.play.value = 'Stop'; - } - }; + parseZone : function () { + if (this._tzm) { + this.zone(this._tzm); + } else if (typeof this._i === 'string') { + this.zone(this._i); + } + return this; + }, - /** - * Stop playing - */ - Slider.prototype.stop = function() { - clearInterval(this.playTimeout); - this.playTimeout = undefined; + hasAlignedHourOffset : function (input) { + if (!input) { + input = 0; + } + else { + input = moment(input).zone(); + } - if (this.frame) { - this.frame.play.value = 'Play'; - } - }; + return (this.zone() - input) % 60 === 0; + }, - /** - * 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; - }; + daysInMonth : function () { + return daysInMonth(this.year(), this.month()); + }, - /** - * Set the interval for playing the list - * @param {Number} interval The interval in milliseconds - */ - Slider.prototype.setPlayInterval = function(interval) { - this.playInterval = interval; - }; + 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'); + }, - /** - * Retrieve the current play interval - * @return {Number} interval The interval in milliseconds - */ - Slider.prototype.getPlayInterval = function(interval) { - return this.playInterval; - }; + quarter : function (input) { + return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); + }, - /** - * 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; - }; + 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'); + }, + isoWeekYear : function (input) { + var year = weekOfYear(this, 1, 4).year; + return input == null ? year : this.add((input - year), 'y'); + }, - /** - * Execute the onchange callback function - */ - Slider.prototype.onChange = function() { - if (this.onChangeCallback !== undefined) { - this.onChangeCallback(); - } - }; + week : function (input) { + var week = this.localeData().week(this); + return input == null ? week : this.add((input - week) * 7, 'd'); + }, - /** - * redraw the slider on the correct place - */ - 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'; + isoWeek : function (input) { + var week = weekOfYear(this, 1, 4).week; + return input == null ? week : this.add((input - week) * 7, 'd'); + }, - // position the slider button - var left = this.indexToLeft(this.index); - this.frame.slide.style.left = (left) + 'px'; - } - }; + 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); + }, - /** - * Set the list with values for the slider - * @param {Array} values A javascript array with values (any type) - */ - Slider.prototype.setValues = function(values) { - this.values = values; + isoWeeksInYear : function () { + return weeksInYear(this.year(), 1, 4); + }, - if (this.values.length > 0) - this.setIndex(0); - else - this.index = undefined; - }; + weeksInYear : function () { + var weekInfo = this.localeData()._week; + return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); + }, - /** - * Select a value by its index - * @param {Number} index - */ - Slider.prototype.setIndex = function(index) { - if (index < this.values.length) { - this.index = index; + get : function (units) { + units = normalizeUnits(units); + return this[units](); + }, - this.redraw(); - this.onChange(); - } - else { - throw 'Error: index out of range'; - } - }; + set : function (units, value) { + units = normalizeUnits(units); + if (typeof this[units] === 'function') { + this[units](value); + } + return this; + }, - /** - * retrieve the index of the currently selected vaue - * @return {Number} index - */ - Slider.prototype.getIndex = function() { - return this.index; - }; + // 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; + if (key === undefined) { + return this._locale._abbr; + } else { + newLocaleData = moment.localeData(key); + if (newLocaleData != null) { + this._locale = newLocaleData; + } + return this; + } + }, - /** - * retrieve the currently selected value - * @return {*} value - */ - Slider.prototype.get = function() { - return this.values[this.index]; - }; + 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); + } + } + ), + localeData : function () { + return this._locale; + }, - 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; + _dateTzOffset : 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.startClientX = event.clientX; - this.startSlideX = parseFloat(this.frame.slide.style.left); + function rawMonthSetter(mom, value) { + var dayOfMonth; - this.frame.style.cursor = 'move'; + // 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; + } + } - // 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); - }; + dayOfMonth = Math.min(mom.date(), + daysInMonth(mom.year(), value)); + mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); + return mom; + } + function rawGetter(mom, unit) { + return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit](); + } - Slider.prototype.leftToIndex = function (left) { - var width = parseFloat(this.frame.bar.style.width) - - this.frame.slide.clientWidth - 10; - var x = left - 3; + function rawSetter(mom, unit, value) { + if (unit === 'Month') { + return rawMonthSetter(mom, value); + } else { + return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); + } + } - 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; + 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 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)); - Slider.prototype.indexToLeft = function (index) { - var width = parseFloat(this.frame.bar.style.width) - - this.frame.slide.clientWidth - 10; + // 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; - var x = index / (this.values.length-1) * width; - var left = x + 3; + // add aliased format methods + moment.fn.toJSON = moment.fn.toISOString; - return left; - }; + /************************************ + Duration Prototype + ************************************/ + function daysToYears (days) { + // 400 years have 146097 days (taking into account leap year rules) + return days * 400 / 146097; + } - Slider.prototype._onMouseMove = function (event) { - var diff = event.clientX - this.startClientX; - var x = this.startSlideX + diff; + function yearsToDays (years) { + // years * 365 + absRound(years / 4) - + // absRound(years / 100) + absRound(years / 400); + return years * 146097 / 400; + } - var index = this.leftToIndex(x); + extend(moment.duration.fn = Duration.prototype, { - this.setIndex(index); + _bubble : function () { + var milliseconds = this._milliseconds, + days = this._days, + months = this._months, + data = this._data, + seconds, minutes, hours, years = 0; - util.preventDefault(); - }; + // The following code bubbles up values, see the tests for + // examples of what that means. + data.milliseconds = milliseconds % 1000; + seconds = absRound(milliseconds / 1000); + data.seconds = seconds % 60; - Slider.prototype._onMouseUp = function (event) { - this.frame.style.cursor = 'auto'; + minutes = absRound(seconds / 60); + data.minutes = minutes % 60; - // remove event listeners - util.removeEventListener(document, 'mousemove', this.onmousemove); - util.removeEventListener(document, 'mouseup', this.onmouseup); + hours = absRound(minutes / 60); + data.hours = hours % 24; - util.preventDefault(); - }; + days += absRound(hours / 24); - module.exports = Slider; + // Accurately convert days to years, assume start from year 0. + years = absRound(daysToYears(days)); + days -= absRound(yearsToDays(years)); + // 30 days to a month + // TODO (iskren): Use anchor date (like 1st Jan) to compute this. + months += absRound(days / 30); + days %= 30; -/***/ }, -/* 12 */ -/***/ function(module, exports, __webpack_require__) { + // 12 months -> 1 year + years += absRound(months / 12); + months %= 12; - /** - * @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, ...) - */ - function StepNumber(start, end, step, prettyStep) { - // set default values - this._start = 0; - this._end = 0; - this._step = 1; - this.prettyStep = true; - this.precision = 5; + data.days = days; + data.months = months; + data.years = years; + }, - this._current = 0; - this.setRange(start, end, step, prettyStep); - }; + abs : function () { + this._milliseconds = Math.abs(this._milliseconds); + this._days = Math.abs(this._days); + this._months = Math.abs(this._months); - /** - * 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, ...) - */ - StepNumber.prototype.setRange = function(start, end, step, prettyStep) { - this._start = start ? start : 0; - this._end = end ? end : 0; + 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); - this.setStep(step, prettyStep); - }; + return this; + }, - /** - * 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; + weeks : function () { + return absRound(this.days() / 7); + }, - if (prettyStep !== undefined) - this.prettyStep = prettyStep; + valueOf : function () { + return this._milliseconds + + this._days * 864e5 + + (this._months % 12) * 2592e6 + + toInt(this._months / 12) * 31536e6; + }, - if (this.prettyStep === true) - this._step = StepNumber.calculatePrettyStep(step); - else - this._step = step; - }; + humanize : function (withSuffix) { + var output = relativeTime(this, !withSuffix, this.localeData()); - /** - * 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 (withSuffix) { + output = this.localeData().pastFuture(+this, output); + } - // 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))); + return this.localeData().postformat(output); + }, - // 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; + add : function (input, val) { + // supports only 2.0-style add(1, 's') or add(moment) + var dur = moment.duration(input, val); - // for safety - if (prettyStep <= 0) { - prettyStep = 1; - } + this._milliseconds += dur._milliseconds; + this._days += dur._days; + this._months += dur._months; - return prettyStep; - }; + this._bubble(); - /** - * returns the current value of the step - * @return {Number} current value - */ - StepNumber.prototype.getCurrent = function () { - return parseFloat(this._current.toPrecision(this.precision)); - }; + return this; + }, - /** - * returns the current step size - * @return {Number} current step size - */ - StepNumber.prototype.getStep = function () { - return this._step; - }; + subtract : function (input, val) { + var dur = moment.duration(input, val); - /** - * 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; - }; + this._milliseconds -= dur._milliseconds; + this._days -= dur._days; + this._months -= dur._months; - /** - * Do a step, add the step size to the current value - */ - StepNumber.prototype.next = function () { - this._current += this._step; - }; + this._bubble(); - /** - * 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); - }; + return this; + }, - module.exports = StepNumber; + get : function (units) { + units = normalizeUnits(units); + return this[units.toLowerCase() + 's'](); + }, + as : function (units) { + var days, months; + units = normalizeUnits(units); -/***/ }, -/* 13 */ -/***/ function(module, exports, __webpack_require__) { + 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); + } + } + }, - 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); + lang : moment.fn.lang, + locale : moment.fn.locale, - /** - * 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 Timeline (container, items, groups, options) { - if (!(this instanceof Timeline)) { - throw new SyntaxError('Constructor must be called with the new operator'); - } + toIsoString : deprecate( + 'toIsoString() is deprecated. Please use toISOString() instead ' + + '(notice the capitals)', + function () { + return this.toISOString(); + } + ), - // 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; - } + 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); - var me = this; - this.defaultOptions = { - start: null, - end: null, + if (!this.asSeconds()) { + // this is the same as C#'s (Noda) and python (isodate)... + // but not other JS (goog.date) + return 'P0D'; + } - autoResize: true, + 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' : ''); + }, - orientation: 'bottom', - width: null, - height: null, - maxHeight: null, - minHeight: null - }; - this.options = util.deepExtend({}, this.defaultOptions); + localeData : function () { + return this._locale; + } + }); - // Create the DOM, props, and emitter - this._create(container); + moment.duration.fn.toString = moment.duration.fn.toISOString; - // all components listed here will be repainted automatically - this.components = []; + function makeDurationGetter(name) { + moment.duration.fn[name] = function () { + return this._data[name]; + }; + } - 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 (i in unitMillisecondFactors) { + if (hasOwnProp(unitMillisecondFactors, i)) { + makeDurationGetter(i.toLowerCase()); + } } - }; - // range - this.range = new Range(this.body); - this.components.push(this.range); - this.body.range = this.range; + 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'); + }; - // time axis - this.timeAxis = new TimeAxis(this.body); - this.components.push(this.timeAxis); - this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); + /************************************ + Default Locale + ************************************/ - // 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); + // 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; + } + }); - // item set - this.itemSet = new ItemSet(this.body); - this.components.push(this.itemSet); + /* EMBED_LOCALES */ - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + /************************************ + Exposing Moment + ************************************/ - // apply options - if (options) { - this.setOptions(options); - } + 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; + } + } - // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! - if (groups) { - this.setGroups(groups); - } + // 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; + } + + 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))) + +/***/ }, +/* 4 */ +/***/ function(module, exports, __webpack_require__) { - // create itemset - if (items) { - this.setItems(items); - } - else { - this.redraw(); - } + function webpackContext(req) { + throw new Error("Cannot find module '" + req + "'."); } + webpackContext.keys = function() { return []; }; + webpackContext.resolve = webpackContext; + module.exports = webpackContext; + webpackContext.id = 4; - // Extend the functionality from Core - Timeline.prototype = new Core(); - /** - * Set items - * @param {vis.DataSet | Array | google.visualization.DataTable | null} items - */ - Timeline.prototype.setItems = function(items) { - var initialLoad = (this.itemsData == null); +/***/ }, +/* 5 */ +/***/ function(module, exports, __webpack_require__) { - // 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' - } - }); - } + module.exports = function(module) { + if(!module.webpackPolyfill) { + module.deprecate = function() {}; + module.paths = []; + // module.parent = undefined by default + module.children = []; + module.webpackPolyfill = 1; + } + return module; + } - // set items - this.itemsData = newDataSet; - this.itemSet && this.itemSet.setItems(newDataSet); - if (initialLoad) { - if (this.options.start != undefined || this.options.end != undefined) { - if (this.options.start == undefined || this.options.end == undefined) { - var dataRange = this._getDataRange(); - } +/***/ }, +/* 6 */ +/***/ function(module, exports, __webpack_require__) { - var start = this.options.start != undefined ? this.options.start : dataRange.start; - var end = this.options.end != undefined ? this.options.end : dataRange.end; + // DOM utility methods - this.setWindow(start, end, {animate: false}); - } - else { - this.fit({animate: false}); + /** + * 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 = []; } } }; /** - * Set groups - * @param {vis.DataSet | Array | google.visualization.DataTable} groups + * 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 */ - 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 { - // turn an array into a dataset - newDataSet = new DataSet(groups); + 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 = []; + } + } } - - this.groupsData = newDataSet; - this.itemSet.setGroups(newDataSet); }; /** - * 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. + * 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 */ - Timeline.prototype.setSelection = function(ids, options) { - this.itemSet && this.itemSet.setSelection(ids); - - if (options && options.focus) { - this.focus(ids, options); + 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; }; - /** - * 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() || []; - }; /** - * 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 + * 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 */ - Timeline.prototype.focus = function(id, options) { - if (!this.itemsData || id == undefined) return; - - var ids = Array.isArray(id) ? id : [id]; - - // get the specified item(s) - var itemsData = this.itemsData.getDataSet().get(ids, { - type: { - start: 'Date', - end: 'Date' + 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; + }; - // 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; - } - if (end === null || e > end) { - end = e; - } - }); - 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); + /** + * 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); + } - var animate = (options && options.animate !== undefined) ? options.animate : true; - this.range.setRange(middle - interval / 2, middle + interval / 2, animate); + if(group.options.drawPoints.styles !== undefined) { + point.setAttributeNS(null, "style", group.group.options.drawPoints.styles); } + point.setAttributeNS(null, "class", group.className + " point"); + return point; }; /** - * 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 + * draw a bar SVG element centered on the X coordinate + * + * @param x + * @param y + * @param className */ - 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 - - // 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(); - } - else { - max = Math.max(max, util.convert(maxEndItem.end, 'Date').valueOf()); - } + 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); } - - return { - min: (min != null) ? new Date(min) : null, - max: (max != null) ? new Date(max) : null - }; }; - - module.exports = Timeline; - - /***/ }, -/* 14 */ +/* 7 */ /***/ 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); + var Queue = __webpack_require__(8); /** - * 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 + * 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.} [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 */ - 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); + 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 { - return "cannot find group:" + groupId; + // get([, options] [, data]) + options = arguments[0]; + data = arguments[1]; } - } - /** - * 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)); + // 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 { - return false; + returnType = 'Array'; } - } + // build options + var type = options && options.type || this._options.type; + var filter = options && options.filter; + var items = [], item, itemId, i, len; - /** - * 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 - */ - 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; + // 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); } } } } - return { - min: (min != null) ? new Date(min) : null, - max: (max != null) ? new Date(max) : null - }; - }; - - - - module.exports = Graph2d; - - -/***/ }, -/* 15 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * Created by Alex on 10/3/2014. - */ - var moment = __webpack_require__(44); + // 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); + } + } + } - /** - * 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); + // 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; } - body.hiddenDates.sort(function (a, b) { - return a.start - b.start; - }); // sort by start time } } }; - /** - * 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; - - 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); - - 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); - } - - var duration = endDate - startDate; - if (duration >= 4 * pixelTime) { - - 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'); - - endDate.dayOfYear(start.dayOfYear()); - endDate.year(start.year()); - endDate.subtract(7 - offset,'days'); - - runUntil.add(1, 'weeks'); - break; - case "weekly": - var dayOffset = endDate.diff(startDate,'days') - var day = startDate.day(); - - // set the start date to the range.start - startDate.date(start.date()); - startDate.month(start.month()); - startDate.year(start.year()); - endDate = startDate.clone(); - - // force - startDate.day(day); - endDate.day(day); - endDate.add(dayOffset,'days'); - - startDate.subtract(1,'weeks'); - endDate.subtract(1,'weeks'); - - 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'); + * 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 = []; - endDate.month(start.month()); - endDate.year(start.year()); - endDate.subtract(1,'months'); - endDate.add(offset,'months'); + 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); + } + } + } - 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'); + this._sort(items, order); - 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; - } + 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]); } - 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); + } + 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; + }; /** - * remove duplicates from the hidden dates list. Duplicates are evil. They mess everything up. - * Scales with N^2 - * @param body + * 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. */ - 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; + 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); } } } } + }; - for (var i = 0; i < hiddenDates.length; i++) { - if (hiddenDates[i].remove !== true) { - safeDates.push(hiddenDates[i]); + /** + * 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)); + } } } - 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); + // order items + if (options && options.order) { + this._sort(mappedItems, options.order); } - } + + return mappedItems; + }; /** - * Used in TimeStep to avoid the hidden times. - * @param timeStep - * @param previousTime + * Filter the fields of an item + * @param {Object} item + * @param {String[]} fields Field names + * @return {Object} filteredItem + * @private */ - 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; + 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]; } } - 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(); - } + return filteredItem; }; - - ///** - // * 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} + * Sort the provided array with items + * @param {Object[]} items + * @param {String | function} order A field name or custom sort function. + * @private */ - 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; + 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 { - 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; + throw new TypeError('Order must be a function or a string'); } }; - /** - * Replaces the core toTime methods - * @param body - * @param range - * @param x - * @param width - * @returns {Date} + * 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 */ - 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); + 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 { - 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); + removedId = this._remove(id); + if (removedId != null) { + removedIds.push(removedId); + } + } - var newTime = new Date(accumulatedHiddenDuration + partialDuration + Core.range.start); - return newTime; + if (removedIds.length) { + this._trigger('remove', {items: removedIds}, senderId); } - }; + return removedIds; + }; /** - * Support function - * - * @param hiddenDates - * @param range - * @returns {number} + * Remove an item by its id + * @param {Number | String | Object} id id or item + * @returns {Number | String | null} id + * @private */ - 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; + DataSet.prototype._remove = function (id) { + if (util.isNumber(id) || util.isString(id)) { + if (this._data[id]) { + delete this._data[id]; + return id; } } - return duration; + 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; + }; /** - * Support function - * @param hiddenDates - * @param range - * @param time - * @returns {{duration: number, time: *, offset: number}} + * 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 */ - exports.correctTimeForHidden = function(hiddenDates, range, time) { - time = moment(time).toDate().valueOf(); - time -= exports.getHiddenDurationBefore(hiddenDates,range,time); - return time; + 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; }; - exports.getHiddenDurationBefore = function(hiddenDates, range, time) { - var timeOffset = 0; - time = moment(time).toDate().valueOf(); + /** + * 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 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); + 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 timeOffset; - } + + return min; + }; /** - * 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}} + * 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. */ - 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; + 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; + } } - else { - hiddenDuration += endDate - startDate; + if (!exists && (value !== undefined)) { + values[count] = value; + count++; } } } - return hiddenDuration; - }; - + if (fieldType) { + for (i = 0; i < values.length; i++) { + values[i] = util.convert(values[i], fieldType); + } + } + return values; + }; /** - * 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 {*} + * Add a single item. Will fail when an item with the same id already exists. + * @param {Object} item + * @return {String} id + * @private */ - 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; - } + 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 { - return time; + // generate an id + id = util.randomUUID(); + item[this._fieldId] = id; } - } - - - /** - * 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; + 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); } } - return {hidden: false, startDate: startDate, endDate: endDate}; - } + this._data[id] = d; -/***/ }, -/* 16 */ -/***/ function(module, exports, __webpack_require__) { + return id; + }; /** - * @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 + * 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 */ - 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); - } + 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; + }; /** - * 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 + * 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 */ - 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; + 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'); } - if (this.autoScale == true) { - this.setMinimumStep(minimumStep, containerHeight); + // 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.setFirst(customRange); + return id; }; /** - * Automatically determine the scale that bests fits the provided minimum step - * @param {Number} [minimumStep] The minimum step size in milliseconds + * Get an array with the column names of a Google DataTable + * @param {DataTable} dataTable + * @return {String[]} columnNames + * @private */ - 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); - - var minorStepIdx = -1; - var magnitudefactor = Math.pow(10,orderOfMagnitude); - - var start = 0; - if (orderOfMagnitude < 0) { - start = orderOfMagnitude; + 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; + }; - 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; - } + /** + * 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]); } - this.stepIndex = minorStepIdx; - this.scale = magnitudefactor; - this.step = magnitudefactor * this.minorSteps[minorStepIdx]; }; + module.exports = DataSet; + +/***/ }, +/* 8 */ +/***/ function(module, exports, __webpack_require__) { /** - * Round the current date to the first minor date value - * This must be executed once when the current date is set to start Date + * 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 */ - DataStep.prototype.setFirst = function(customRange) { - if (customRange === undefined) { - customRange = {}; - } + function Queue(options) { + // options + this.delay = null; + this.max = Infinity; - 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; + // properties + this._queue = []; + this._timeout = null; + this._extended = null; - this.marginEnd = customRange.max === undefined ? this.roundToMinor(niceEnd) : customRange.max; - this.marginStart = customRange.min === undefined ? this.roundToMinor(niceStart) : customRange.min; + this.setOptions(options); + } - // 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; + /** + * 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.deadSpace = this.roundToMinor(niceEnd) - niceEnd + this.roundToMinor(niceStart) - niceStart; - this.marginRange = this.marginEnd - this.marginStart; - - - this.current = this.marginEnd; + this._flushIfNeeded(); }; - 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]); + /** + * 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'); } - else { - return rounded; + 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 + }; - /** - * 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); + return queue; }; /** - * Do the next step + * Destroy the queue. The queue will first flush all queued actions, and in + * case it has extended an object, will restore the original object. */ - DataStep.prototype.next = function() { - var prev = this.current; - this.current -= this.step; + Queue.prototype.destroy = function () { + this.flush(); - // safety mechanism: if current time is still unchanged, move to the end - if (this.current == prev) { - this.current = this._end; + 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; } }; /** - * Do the next step + * Replace a method on an object with a queued version + * @param {Object} object Object having the method + * @param {string} method The method name */ - DataStep.prototype.previous = function() { - this.current += this.step; - this.marginEnd += this.step; - this.marginRange = this.marginEnd - this.marginStart; - }; + 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 + }); + }; + }; /** - * Get the current datetime - * @return {String} current The current date + * Queue a call + * @param {function | {fn: function, args: Array} | {fn: function, args: Array, context: Object}} entry */ - 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); - - // 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; + Queue.prototype.queue = function(entry) { + if (typeof entry === 'function') { + this._queue.push({fn: entry}); } 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; - } - } - } + this._queue.push(entry); } - return toPrecision; + this._flushIfNeeded(); }; - - /** - * 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 + * Check whether the queue needs to be flushed + * @private */ - DataStep.prototype.snap = function(date) { + 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); + } }; /** - * 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. + * Flush all queued calls */ - DataStep.prototype.isMajor = function() { - return (this.current % (this.scale * this.majorSteps[this.stepIndex]) == 0); + 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 = DataStep; + module.exports = Queue; /***/ }, -/* 17 */ +/* 9 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(1); - var hammerUtil = __webpack_require__(47); - var moment = __webpack_require__(44); - var Component = __webpack_require__(20); - var DateUtil = __webpack_require__(15); + var DataSet = __webpack_require__(7); /** - * @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 + * 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 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 = { - 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); + 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 - this.props = { - touch: {} + var me = this; + this.listener = function () { + me._onEvent.apply(me, arguments); }; - this.animateTimer = null; - - // 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)); - - // ignore dragging when holding - this.body.emitter.on('hold', this._onHold.bind(this)); - - // mouse wheel for zooming - this.body.emitter.on('mousewheel', this._onMouseWheel.bind(this)); - this.body.emitter.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF - - // pinch to zoom - this.body.emitter.on('touch', this._onTouch.bind(this)); - this.body.emitter.on('pinch', this._onPinch.bind(this)); - this.setOptions(options); + this.setData(data); } - Range.prototype = new Component(); + // TODO: implement a function .config() to dynamically update things like configured filter + // and trigger changes accordingly /** - * 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 + * Set a data source for the view + * @param {DataSet | DataView} data */ - 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); + DataView.prototype.setData = function (data) { + var ids, i, len; - if ('start' in options || 'end' in options) { - // apply a new range. both start and end are optional - this.setRange(options.start, options.end); + if (this._data) { + // unsubscribe from current dataset + if (this._data.unsubscribe) { + this._data.unsubscribe('*', this.listener); } - } - }; - /** - * Test whether direction has a valid value - * @param {String} direction 'horizontal' or 'vertical' - */ - function validateDirection (direction) { - if (direction != 'horizontal' && direction != 'vertical') { - throw new TypeError('Unknown direction "' + direction + '". ' + - 'Choose "horizontal" or "vertical".'); + // 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 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. - * - */ - Range.prototype.setRange = function(start, end, animate) { - 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; - 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._data = data; - 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)}); - } + if (this._data) { + // update fieldId + this._fieldId = this._options.fieldId || + (this._data && this._data.options && this._data.options.fieldId) || + 'id'; - if (done) { - if (anyChanged) { - me.body.emitter.emit('rangechanged', {start: new Date(me.start), end: new Date(me.end)}); - } - } - 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); - } - } + // 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}); - return next(); - } - 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)}; - this.body.emitter.emit('rangechange', params); - this.body.emitter.emit('rangechanged', params); + // subscribe to new dataset + if (this._data.on) { + this._data.on('*', this.listener); } } }; /** - * Stop an animation - * @private + * 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 */ - Range.prototype._cancelAnimation = function () { - if (this.animateTimer) { - clearTimeout(this.animateTimer); - this.animateTimer = null; + 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]; } - }; - /** - * 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 - */ - 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; + // extend the options with the default options and provided options + var viewOptions = util.extend({}, this._options, options); - // 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 + '"'); + // 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); + } } - // prevent start < end - if (newEnd < newStart) { - newEnd = newStart; + // build up the call to the linked data set + var getArguments = []; + if (ids != undefined) { + getArguments.push(ids); } + getArguments.push(viewOptions); + getArguments.push(data); - // prevent start < min - if (min !== null) { - if (newStart < min) { - diff = (min - newStart); - newStart += diff; - newEnd += diff; + return this._data && this._data.get.apply(this._data, getArguments); + }; - // prevent end > max - if (max != null) { - if (newEnd > max) { - newEnd = max; - } - } - } - } + /** + * 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; - // prevent end > max - if (max !== null) { - if (newEnd > max) { - diff = (newEnd - max); - newStart -= diff; - newEnd -= diff; + if (this._data) { + var defaultFilter = this._options.filter; + var filter; - // prevent start < min - if (min != null) { - if (newStart < min) { - newStart = min; + if (options && options.filter) { + if (defaultFilter) { + filter = function (item) { + return defaultFilter(item) && options.filter(item); } } - } - } - - // 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; + filter = options.filter; } } - } - - // prevent (end-start) > zoomMax - if (this.options.zoomMax !== null) { - var zoomMax = parseFloat(this.options.zoomMax); - if (zoomMax < 0) { - zoomMax = 0; - } - 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 { + filter = defaultFilter; } - } - - 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'); + ids = this._data.getIds({ + filter: filter, + order: options && options.order + }); + } + else { + ids = []; } - this.start = newStart; - this.end = newEnd; - return changed; + return ids; }; /** - * Retrieve the current range. - * @return {Object} An object with start and end properties + * 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 */ - Range.prototype.getRange = function() { - return { - start: this.start, - end: this.end - }; + DataView.prototype.getDataSet = function () { + var dataSet = this; + while (dataSet instanceof DataView) { + dataSet = dataSet._data; + } + return dataSet || null; }; /** - * Calculate the conversion offset and scale for current range, based on - * the provided width - * @param {Number} width - * @returns {{offset: number, scale: number}} conversion + * 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 */ - Range.prototype.conversion = function (width, totalHidden) { - return Range.conversion(this.start, this.end, width, totalHidden); - }; + 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; + } - /** - * 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) + 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); } - } - else { - return { - offset: 0, - scale: 1 - }; } }; - /** - * 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; + // copy subscription functionality from DataSet + DataView.prototype.on = DataSet.prototype.on; + DataView.prototype.off = DataSet.prototype.off; + DataView.prototype._trigger = DataSet.prototype._trigger; - // 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; + // 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; - this.props.touch.start = this.start; - this.props.touch.end = this.end; - this.props.touch.dragging = true; + module.exports = DataView; - if (this.body.dom.root) { - this.body.dom.root.style.cursor = 'move'; - } - }; +/***/ }, +/* 10 */ +/***/ function(module, exports, __webpack_require__) { + + 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); /** - * Perform dragging operation - * @param {Event} event - * @private + * @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] */ - 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; + function Graph3d(container, data, options) { + if (!(this instanceof Graph3d)) { + throw new SyntaxError('Constructor must be called with the new operator'); + } - var direction = this.options.direction; - validateDirection(direction); + // 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%'; - var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY; - delta -= this.deltaDifference; - var interval = (this.props.touch.end - this.props.touch.start); + this.xLabel = 'x'; + this.yLabel = 'y'; + this.zLabel = 'z'; - // normalize dragging speed if cutout is in between. - var duration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - interval -= duration; + var passValueFn = function(v) { return v; }; + this.xValueLabel = passValueFn; + this.yValueLabel = passValueFn; + this.zValueLabel = passValueFn; + + this.filterLabel = 'time'; + this.legendLabel = 'value'; - 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; + 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; - // 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; - } + 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.previousDelta = delta; - this._applyRange(newStart, newEnd); + this.dataTable = null; // The original data table + this.dataPoints = null; // The table with point objects - // fire a rangechange event - this.body.emitter.emit('rangechange', { - start: new Date(this.start), - end: new Date(this.end) - }); - }; + // the column indexes + this.colX = undefined; + this.colY = undefined; + this.colZ = undefined; + this.colValue = undefined; + this.colFilter = undefined; - /** - * Stop dragging operation - * @param {event} event - * @private - */ - Range.prototype._onDragEnd = function (event) { - // only allow dragging when configured as movable - if (!this.options.moveable) return; + 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 - // 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; + // constants + this.colorAxis = '#4D4D4D'; + this.colorGrid = '#D3D3D3'; + this.colorDot = '#7DC1FF'; + this.colorDotBorder = '#3267D2'; - this.props.touch.dragging = false; - if (this.body.dom.root) { - this.body.dom.root.style.cursor = 'auto'; + // create a frame and canvas + this.create(); + + // apply options (also when undefined) + this.setOptions(options); + + // apply data + if (data) { + this.setData(data); } + } - // fire a rangechanged event - this.body.emitter.emit('rangechanged', { - start: new Date(this.start), - end: new Date(this.end) - }); - }; + // Extend Graph3d with an Emitter mixin + Emitter(Graph3d.prototype); /** - * Event handler for mouse wheel event, used to zoom - * Code from http://adomas.org/javascript-mouse-wheel/ - * @param {Event} event - * @private + * Calculate the scaling values, dependent on the range in x, y, and z direction */ - Range.prototype._onMouseWheel = function(event) { - // only allow zooming when configured as zoomable and moveable - if (!(this.options.zoomable && this.options.moveable)) return; - - // 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) { - // perform the zoom action. Delta is normally 1 or -1 + Graph3d.prototype._setScale = function() { + this.scale = new Point3d(1 / (this.xMax - this.xMin), + 1 / (this.yMax - this.yMin), + 1 / (this.zMax - this.zMin)); - // 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); + // 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 { - scale = 1 / (1 + (delta / 5)) ; + //noinspection JSSuspiciousNameCombination + this.scale.x = this.scale.y; } + } - // 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); + // scale the vertical axis + this.scale.z *= this.verticalRatio; + // TODO: can this be automated? verticalRatio? - this.zoom(scale, pointerDate, delta); - } + // determine scale for (optional) value + this.scale.value = 1 / (this.valueMax - this.valueMin); - // Prevent default actions caused by mouse wheel - // (else the page and timeline both zoom and scroll) - event.preventDefault(); + // 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); }; + /** - * Start of a touch gesture - * @private + * 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 */ - 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; + Graph3d.prototype._convert3Dto2D = function(point3d) { + var translation = this._convertPointToTranslation(point3d); + return this._convertTranslationToScreen(translation); }; /** - * On start of a hold gesture - * @private + * 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 */ - Range.prototype._onHold = function () { - this.props.touch.allowDragging = false; + Graph3d.prototype._convertPointToTranslation = function(point3d) { + var ax = point3d.x * this.scale.x, + ay = point3d.y * this.scale.y, + az = point3d.z * this.scale.z, + + cx = this.camera.getCameraLocation().x, + cy = this.camera.getCameraLocation().y, + cz = this.camera.getCameraLocation().z, + + // 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); }; /** - * Handle pinch event - * @param {Event} event - * @private + * 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 */ - Range.prototype._onPinch = function (event) { - // only allow zooming when configured as zoomable and moveable - if (!(this.options.zoomable && this.options.moveable)) return; - - this.props.touch.allowDragging = false; + 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 (event.gesture.touches.length > 1) { - if (!this.props.touch.center) { - this.props.touch.center = getPointer(event.gesture.center, this.body.dom.center); - } + // 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()); + } - var scale = 1 / (event.gesture.scale + this.scaleOffset); - var centerDate = this._pointerToDate(this.props.touch.center); + // 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); + }; - var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, centerDate); - var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + /** + * 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; - // 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; + 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'; + } - // 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 + this.frame.style.backgroundColor = fill; + this.frame.style.borderColor = stroke; + this.frame.style.borderWidth = strokeWidth + 'px'; + this.frame.style.borderStyle = 'solid'; + }; - 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); + /// 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 + }; - this.startToFront = false; // revert to default - this.endToFront = true; // revert to default + /** + * 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; } + + return -1; }; /** - * Helper function to calculate the center date for zooming - * @param {{x: Number, y: Number}} pointer - * @return {number} date - * @private + * Determine the indexes of the data columns, based on the given style and data + * @param {DataSet} data + * @param {Number} style */ - Range.prototype._pointerToDate = function (pointer) { - var conversion; - var direction = this.options.direction; + 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; - validateDirection(direction); + 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; - if (direction == 'horizontal') { - return this.body.util.toTime(pointer.x).valueOf(); + if (data.getNumberOfColumns() > 4) { + this.colFilter = 4; + } } else { - var height = this.body.domProps.center.height; - conversion = this.conversion(height); - return pointer.y / conversion.scale + conversion.offset; + throw 'Unknown style "' + this.style + '"'; + } + }; + + Graph3d.prototype.getNumberOfRows = function(data) { + return data.length; + } + + + Graph3d.prototype.getNumberOfColumns = function(data) { + var counter = 0; + for (var column in data[0]) { + if (data[0].hasOwnProperty(column)) { + counter++; + } + } + return counter; + } + + + 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; + } + + + 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; }; /** - * 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 + * 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 */ - function getPointer (touch, element) { - return { - x: touch.pageX - util.getAbsoluteLeft(element), - y: touch.pageY - util.getAbsoluteTop(element) - }; - } + Graph3d.prototype._dataInitialize = function (rawData, style) { + var me = this; - /** - * 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; + // unsubscribe from the dataTable + if (this.dataSet) { + this.dataSet.off('*', this._onChange); } - var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); - var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + if (rawData === undefined) + return; - // calculate new start and end - var newStart = (center-hiddenDurationBefore) + (this.start - (center-hiddenDurationBefore)) * scale; - var newEnd = (center+hiddenDurationAfter) + (this.end - (center+hiddenDurationAfter)) * scale; + if (Array.isArray(rawData)) { + rawData = new DataSet(rawData); + } - // 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; + var data; + if (rawData instanceof DataSet || rawData instanceof DataView) { + data = rawData.get(); + } + else { + throw new Error('Array, DataSet, or DataView expected'); } - this.setRange(newStart, newEnd); + if (data.length == 0) + return; - this.startToFront = false; // revert to default - this.endToFront = true; // revert to default - }; + this.dataSet = rawData; + this.dataTable = data; + // subscribe to changes in the dataset + this._onChange = function () { + me.setData(me.dataSet); + }; + this.dataSet.on('*', this._onChange); + // _determineColumnIndexes + // getNumberOfRows (points) + // getNumberOfColumns (x,y,z,v,t,t1,t2...) + // getDistinctValues (unique values?) + // getColumnRange - /** - * 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); + // 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'; - // apply new values - var newStart = this.start + diff * delta; - var newEnd = this.end + diff * delta; - // TODO: reckon with min and max range - this.start = newStart; - this.end = newEnd; - }; + // 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();}); + } + } - /** - * 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; + var withBars = this.style == Graph3d.STYLE.BAR || + this.style == Graph3d.STYLE.BARCOLOR || + this.style == Graph3d.STYLE.BARSIZE; - // calculate new start and end - var newStart = this.start - diff; - var newEnd = this.end - diff; + // 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; + } - this.setRange(newStart, newEnd); - }; + if (this.defaultYBarWidth !== undefined) { + this.yBarWidth = this.defaultYBarWidth; + } + else { + var dataY = this.getDistinctValues(data,this.colY); + this.yBarWidth = (dataY[1] - dataY[0]) || 1; + } + } - module.exports = Range; + // 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; + 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; -/***/ }, -/* 18 */ -/***/ function(module, exports, __webpack_require__) { + 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; - // Utility functions for ordering and stacking of items - var EPSILON = 0.001; // used when checking collisions, to prevent round-off errors + 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; + } - /** - * 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; - }); + // set the scale dependent on the ranges. + this._setScale(); }; - /** - * Order items by their end date. If they have no end date, their start date - * is used. - * @param {Item[]} items - */ - 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; - return aTime - bTime; - }); - }; /** - * 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 + * Filter the data based on the current filter + * @param {Array} data + * @return {Array} dataPoints Array with point objects which can be drawn on screen */ - exports.stack = function(items, margin, force) { - var i, iMax; + 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 (force) { - // reset top position of all items - for (i = 0, iMax = items.length; i < iMax; i++) { - items[i].top = null; - } - } + var dataPoints = []; - // 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; + 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 - 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; - } - } + // 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 (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 (dataX.indexOf(x) === -1) { + dataX.push(x); + } + if (dataY.indexOf(y) === -1) { + dataY.push(y); + } } - } - }; + var sortNumber = function (a, b) { + return a - b; + }; + dataX.sort(sortNumber); + dataY.sort(sortNumber); - /** - * 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; + // 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; - // 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; - } - } + var xIndex = dataX.indexOf(x); // TODO: implement Array().indexOf() for Internet Explorer + var yIndex = dataY.indexOf(y); + + if (dataMatrix[xIndex] === undefined) { + dataMatrix[xIndex] = []; } - items[i].top = newTop; + + 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); } - else { - items[i].top = margin.axis; + + // 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; - /** - * 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); - }; + 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; -/***/ }, -/* 19 */ -/***/ function(module, exports, __webpack_require__) { + dataPoints.push(obj); + } + } - var moment = __webpack_require__(44); - var DateUtil = __webpack_require__(15); - var util = __webpack_require__(1); + return dataPoints; + }; /** - * @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 + * 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. */ - function TimeStep(start, end, minimumStep, hiddenDates) { - // variables - this.current = new Date(); - this._start = new Date(); - this._end = new Date(); - - this.autoScale = true; - this.scale = 'day'; - this.step = 1; + Graph3d.prototype.create = function () { + // remove all elements from the container element. + while (this.containerElement.hasChildNodes()) { + this.containerElement.removeChild(this.containerElement.firstChild); + } - // initialize the range - this.setRange(start, end, minimumStep); + this.frame = document.createElement('div'); + this.frame.style.position = 'relative'; + this.frame.style.overflow = 'hidden'; - // hidden Dates options - this.switchedDay = false; - this.switchedMonth = false; - this.switchedYear = false; - this.hiddenDates = hiddenDates; - if (hiddenDates === undefined) { - this.hiddenDates = []; + // 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.format = TimeStep.FORMAT; // default formatting - } + 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); - // 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: '' - } - }; + // 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' - /** - * 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); + 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); }; - /** - * 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._start = (start != undefined) ? new Date(start.valueOf()) : new Date(); - this._end = (end != undefined) ? new Date(end.valueOf()) : new Date(); + /** + * 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; - if (this.autoScale) { - this.setMinimumStep(minimumStep); - } + this._resizeCanvas(); }; /** - * Set the range iterator to the start date. + * Resize the canvas to the current size of the frame */ - TimeStep.prototype.first = function() { - this.current = new Date(this._start.valueOf()); - this.roundToMinor(); + Graph3d.prototype._resizeCanvas = function() { + this.frame.canvas.style.width = '100%'; + this.frame.canvas.style.height = '100%'; + + this.frame.canvas.width = this.frame.canvas.clientWidth; + this.frame.canvas.height = this.frame.canvas.clientHeight; + + // adjust with for margin + this.frame.filter.style.width = (this.frame.canvas.clientWidth - 2 * 10) + 'px'; }; /** - * Round the current date to the first minor date value - * This must be executed once when the current date is set to start Date + * Start animation */ - 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 - } + Graph3d.prototype.animationStart = function() { + if (!this.frame.filter || !this.frame.filter.slider) + throw 'No animation available'; - 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; - } - } + this.frame.filter.slider.play(); }; + /** - * Check if the there is a next step - * @return {boolean} true if the current date has not passed the end date + * Stop animation */ - TimeStep.prototype.hasNext = function () { - return (this.current.valueOf() <= this._end.valueOf()); + Graph3d.prototype.animationStop = function() { + if (!this.frame.filter || !this.frame.filter.slider) return; + + this.frame.filter.slider.stop(); }; + /** - * Do the next step + * 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 */ - 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._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 + } - 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; - } + // 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 { - 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; - } + this.ycenter = parseFloat(this.defaultYCenter); // supposed to be in px } + }; - 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; - } + /** + * 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; } - // safety mechanism: if current time is still unchanged, move to the end - if (this.current.valueOf() == prev) { - this.current = new Date(this._end.valueOf()); + if (pos.horizontal !== undefined && pos.vertical !== undefined) { + this.camera.setArmRotation(pos.horizontal, pos.vertical); } - DateUtil.stepOverHiddenDates(this, prev); + if (pos.distance !== undefined) { + this.camera.setArmLength(pos.distance); + } + + this.redraw(); }; /** - * Get the current datetime - * @return {Date} current The current date + * Retrieve the current camera rotation + * @return {object} An object with parameters horizontal, vertical, and + * distance */ - TimeStep.prototype.getCurrent = function() { - return this.current; + Graph3d.prototype.getCameraPosition = function() { + var pos = this.camera.getArmRotation(); + pos.distance = this.camera.getArmLength(); + return pos; }; /** - * 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. + * Load data into the 3D Graph */ - TimeStep.prototype.setScale = function(newScale, newStep) { - this.scale = newScale; + Graph3d.prototype._readData = function(data) { + // read the data + this._dataInitialize(data, this.style); - if (newStep > 0) { - this.step = newStep; + + if (this.dataFilter) { + // apply filtering + this.dataPoints = this.dataFilter._getDataPoints(); + } + else { + // no filtering. load all data + this.dataPoints = this._getDataPoints(this.dataTable); } - this.autoScale = false; + // draw the filter + this._redrawFilter(); }; /** - * Enable or disable autoscaling - * @param {boolean} enable If true, autoascaling is set true + * Replace the dataset of the Graph3d + * @param {Array | DataSet | DataView} data */ - TimeStep.prototype.setAutoScale = function (enable) { - this.autoScale = enable; - }; + Graph3d.prototype.setData = function (data) { + this._readData(data); + this.redraw(); + // start animation when option is true + if (this.animationAutoStart && this.dataFilter) { + this.animationStart(); + } + }; /** - * Automatically determine the scale that bests fits the provided minimum step - * @param {Number} [minimumStep] The minimum step size in milliseconds + * Update the options. Options will be merged with current options + * @param {Object} options */ - TimeStep.prototype.setMinimumStep = function(minimumStep) { - if (minimumStep == undefined) { - return; - } + Graph3d.prototype.setOptions = function (options) { + var cameraPosition = undefined; - //var b = asc + ds; + this.animationStop(); - 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); + if (options !== undefined) { + // retrieve parameter values + if (options.width !== undefined) this.width = options.width; + if (options.height !== undefined) this.height = options.height; - // 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 (options.xCenter !== undefined) this.defaultXCenter = options.xCenter; + if (options.yCenter !== undefined) this.defaultYCenter = options.yCenter; - /** - * 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()); + 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; - 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. + if (options.xValueLabel !== undefined) this.xValueLabel = options.xValueLabel; + if (options.yValueLabel !== undefined) this.yValueLabel = options.yValueLabel; + if (options.zValueLabel !== undefined) this.zValueLabel = options.zValueLabel; + + 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; + + 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; + + if (options.cameraPosition !== undefined) cameraPosition = options.cameraPosition; + + if (cameraPosition !== undefined) { + this.camera.setArmRotation(cameraPosition.horizontal, cameraPosition.vertical); + this.camera.setArmLength(cameraPosition.distance); } else { - clone.setDate(1); + this.camera.setArmRotation(1.0, 0.5); + this.camera.setArmLength(1.7); } + } - clone.setHours(0); - clone.setMinutes(0); - clone.setSeconds(0); - clone.setMilliseconds(0); + this._setBackgroundColor(options && options.backgroundColor); + + this.setSize(this.width, this.height); + + // re-load the data + if (this.dataTable) { + this.setData(this.dataTable); } - 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); + + // start animation when option is true + if (this.animationAutoStart && this.dataFilter) { + this.animationStart(); } - 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); + }; + + /** + * Redraw the Graph. + */ + Graph3d.prototype.redraw = function() { + if (this.dataPoints === undefined) { + throw 'Error: graph data not initialized'; } - 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._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.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.style === Graph3d.STYLE.LINE) { + this._redrawDataLine(); } - else if (this.scale == 'millisecond') { - var step = this.step > 5 ? this.step / 2 : 1; - clone.setMilliseconds(Math.round(clone.getMilliseconds() / step) * step); + else if (this.style === Graph3d.STYLE.BAR || + this.style === Graph3d.STYLE.BARCOLOR || + this.style === Graph3d.STYLE.BARSIZE) { + this._redrawDataBar(); } - - return clone; + else { + // style is DOT, DOTLINE, DOTCOLOR, DOTSIZE + this._redrawDataDot(); + } + + this._redrawInfo(); + this._redrawLegend(); }; /** - * 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. + * Clear the canvas before redrawing */ - 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._redrawClear = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + + ctx.clearRect(0, 0, canvas.width, canvas.height); + }; + + + /** + * Redraw the legend showing the colors + */ + 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 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 { + 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; } - else if (this.switchedDay == true) { - this.switchedDay = false; - switch (this.scale) { - case 'millisecond': - case 'second': - case 'minute': - case 'hour': - return true; - default: - return false; + + 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); } - 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.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(); } - }; + 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; + + ctx.beginPath(); + ctx.moveTo(left - gridLineLen, y); + ctx.lineTo(left, y); + ctx.stroke(); - /** - * 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 - */ - TimeStep.prototype.getLabelMinor = function(date) { - if (date == undefined) { - date = this.current; - } + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = this.colorAxis; + ctx.fillText(step.getCurrent(), left - 2 * gridLineLen, y); - var format = this.format.minorLabels[this.scale]; - return (format && format.length > 0) ? moment(date).format(format) : ''; + step.next(); + } + + ctx.textAlign = 'right'; + ctx.textBaseline = 'top'; + var label = this.legendLabel; + ctx.fillText(label, right, bottom + this.margin); + } }; /** - * 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 + * Redraw the filter */ - TimeStep.prototype.getLabelMajor = function(date) { - if (date == undefined) { - date = this.current; - } + Graph3d.prototype._redrawFilter = function() { + this.frame.filter.innerHTML = ''; - var format = this.format.majorLabels[this.scale]; - return (format && format.length > 0) ? moment(date).format(format) : ''; - }; + if (this.dataFilter) { + var options = { + 'visible': this.showAnimationControls + }; + var slider = new Slider(this.frame.filter, options); + this.frame.filter.slider = slider; - module.exports = TimeStep; + // TODO: css here is not nice here... + this.frame.filter.style.padding = '10px'; + //this.frame.filter.style.backgroundColor = '#EFEFEF'; + slider.setValues(this.dataFilter.values); + slider.setPlayInterval(this.animationInterval); -/***/ }, -/* 20 */ -/***/ function(module, exports, __webpack_require__) { + // create an event handler + var me = this; + var onchange = function () { + var index = slider.getIndex(); - /** - * Prototype for visual components - * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body] - * @param {Object} [options] - */ - function Component (body, options) { - this.options = null; - this.props = null; - } + me.dataFilter.selectValue(index); + me.dataPoints = me.dataFilter._getDataPoints(); - /** - * 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); + me.redraw(); + }; + slider.setOnChangeCallback(onchange); + } + else { + this.frame.filter.slider = undefined; } }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Redraw the slider */ - Component.prototype.redraw = function() { - // should be implemented by the component - return false; + Graph3d.prototype._redrawSlider = function() { + if ( this.frame.filter.slider !== undefined) { + this.frame.filter.slider.redraw(); + } }; + /** - * Destroy the component. Cleanup DOM and event listeners + * Redraw common information */ - Component.prototype.destroy = function() { - // should be implemented by the component + Graph3d.prototype._redrawInfo = function() { + if (this.dataFilter) { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + + ctx.font = '14px arial'; // TODO: put in options + ctx.lineStyle = 'gray'; + ctx.fillStyle = 'gray'; + ctx.textAlign = 'left'; + ctx.textBaseline = 'top'; + + var x = this.margin; + var y = this.margin; + ctx.fillText(this.dataFilter.getLabel() + ': ' + this.dataFilter.getSelectedValue(), x, y); + } }; + /** - * Test whether the component is resized since the last time _isResized() was - * called. - * @return {Boolean} Returns true if the component is resized - * @protected + * Redraw the axis */ - Component.prototype._isResized = function() { - var resized = (this.props._previousWidth !== this.props.width || - this.props._previousHeight !== this.props.height); + 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; - this.props._previousWidth = this.props.width; - this.props._previousHeight = this.props.height; + // TODO: get the actual rendered style of the containerElement + //ctx.font = this.containerElement.style.font; + ctx.font = 24 / this.camera.getArmLength() + 'px arial'; - return resized; - }; + // 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; - module.exports = Component; + // 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 { + 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(); -/***/ }, -/* 21 */ -/***/ function(module, exports, __webpack_require__) { + 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(); + } - var util = __webpack_require__(1); - var Component = __webpack_require__(20); - var moment = __webpack_require__(44); - var locales = __webpack_require__(48); + 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); - /** - * 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; + step.next(); + } - // default options - this.defaultOptions = { - showCurrentTime: true, + // 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(); - locales: locales, - locale: 'en' - }; - this.options = util.extend({}, this.defaultOptions); - this.offset = 0; + 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(); + } - this._create(); + 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.setOptions(options); - } + step.next(); + } - CurrentTime.prototype = new Component(); + // 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(); - /** - * Create the HTML DOM for the current time bar - * @private - */ - CurrentTime.prototype._create = function() { - var bar = document.createElement('div'); - bar.className = 'currenttime'; - bar.style.position = 'absolute'; - bar.style.top = '0px'; - bar.style.height = '100%'; + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = this.colorAxis; + ctx.fillText(this.zValueLabel(step.getCurrent()) + ' ', from.x - 5, from.y); - this.bar = bar; + 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(); + + // 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(); + + // 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(); + + // 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'; + } + 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); + } }; /** - * Destroy the CurrentTime bar + * 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 */ - CurrentTime.prototype.destroy = function () { - this.options.showCurrentTime = false; - this.redraw(); // will remove the bar from the DOM and stop refreshing + Graph3d.prototype._hsv2rgb = function(H, S, V) { + var R, G, B, C, Hi, X; - this.body = null; - }; + C = V * S; + Hi = Math.floor(H/60); // hi = 0,1,2,3,4,5 + X = C * (1 - Math.abs(((H/60) % 2) - 1)); - /** - * Set options for the component. Options will be merged in current options. - * @param {Object} options Available parameters: - * {boolean} [showCurrentTime] - */ - CurrentTime.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - util.selectiveExtend(['showCurrentTime', 'locale', 'locales'], this.options, options); + 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) + ')'; }; + /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Draw all datapoints as a grid + * This function can be used when the style is 'grid' */ - 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); + 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.start(); - } - var now = new Date(new Date().valueOf() + this.offset); - var x = this.body.util.toScreen(now); + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - 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); + // 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.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(); + this.dataPoints[i].trans = trans; + this.dataPoints[i].screen = screen; + + // 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; } - return false; - }; + // 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); - /** - * Start auto refreshing the current time bar - */ - CurrentTime.prototype.start = function() { - var me = this; + 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; - function update () { - me.stop(); + if (point !== undefined && right !== undefined && top !== undefined && cross !== undefined) { - // 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; + 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) - me.redraw(); + topSideVisible = (crossproduct.z > 0); + } + else { + topSideVisible = true; + } - // start a timer to adjust for the new time - me.currentTimeTimer = setTimeout(update, interval); - } + 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 - update(); - }; + 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; - /** - * Stop auto refreshing the current time bar - */ - CurrentTime.prototype.stop = function() { - if (this.currentTimeTimer !== undefined) { - clearTimeout(this.currentTimeTimer); - delete this.currentTimeTimer; + 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; - /** - * 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(); - }; + if (point !== undefined) { + if (this.showPerspective) { + lineWidth = 2 / -point.trans.z; + } + else { + lineWidth = 2 * -(this.eye.z / this.camera.getArmLength()); + } + } - /** - * Get the current time. - * @return {Date} Returns the current time. - */ - CurrentTime.prototype.getCurrentTime = function() { - return new Date(new Date().valueOf() + this.offset); - }; + 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; - module.exports = CurrentTime; + 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(); + } + 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; -/***/ }, -/* 22 */ -/***/ function(module, exports, __webpack_require__) { + 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(); + } + } + } + }; - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); - var Component = __webpack_require__(20); - var moment = __webpack_require__(44); - var locales = __webpack_require__(48); /** - * A custom time bar - * @param {{range: Range, dom: Object}} body - * @param {Object} [options] Available parameters: - * {Boolean} [showCustomTime] - * @constructor CustomTime - * @extends Component + * 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; - function CustomTime (body, options) { - this.body = body; + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - // default options - this.defaultOptions = { - showCustomTime: false, - locales: locales, - locale: 'en' + // 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; + + // 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; + } + + // order the translated points by depth + var sortDepth = function (a, b) { + return b.dist - a.dist; }; - this.options = util.extend({}, this.defaultOptions); + this.dataPoints.sort(sortDepth); - this.customTime = new Date(); - this.eventParams = {}; // stores state parameters while dragging the bar + // 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]; - // create the DOM - this._create(); + 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(); + } - this.setOptions(options); - } + // 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; + } - CustomTime.prototype = new Component(); + var radius; + if (this.showPerspective) { + radius = size / -point.trans.z; + } + else { + radius = size * -(this.eye.z / this.camera.getArmLength()); + } + if (radius < 0) { + radius = 0; + } - /** - * 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); + 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); + } + + // 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(); } }; /** - * Create the DOM for the custom time - * @private + * Draw all datapoints as bars. + * This function can be used when the style is 'bar', 'bar-color', or 'bar-size' */ - 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; + Graph3d.prototype._redrawDataBar = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + var i, j, surface, corners; - 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 (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - // 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)); - }; + // 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; - /** - * Destroy the CustomTime bar - */ - CustomTime.prototype.destroy = function () { - this.options.showCustomTime = false; - this.redraw(); // will remove the bar from the DOM + // 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; + } - this.hammer.enable(false); - this.hammer = null; + // order the translated points by depth + var sortDepth = function (a, b) { + return b.dist - a.dist; + }; + this.dataPoints.sort(sortDepth); - this.body = null; - }; + // 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]; - /** - * 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); + // 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); } - var x = this.body.util.toScreen(this.customTime); + // 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); + } - 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); + // 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)} + ]; + + // 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; + }); - 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); + // 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 false; }; - /** - * Set custom time. - * @param {Date | number | string} time - */ - CustomTime.prototype.setCustomTime = function(time) { - this.customTime = util.convert(time, 'Date'); - this.redraw(); - }; /** - * Retrieve the current custom time. - * @return {Date} customTime + * Draw a line through all datapoints. + * This function can be used when the style is 'line' */ - CustomTime.prototype.getCustomTime = function() { - return new Date(this.customTime.valueOf()); - }; + Graph3d.prototype._redrawDataLine = function() { + var canvas = this.frame.canvas, + ctx = canvas.getContext('2d'), + point, i; - /** - * Start moving horizontally - * @param {Event} event - * @private - */ - CustomTime.prototype._onDragStart = function(event) { - this.eventParams.dragging = true; - this.eventParams.customTime = this.customTime; + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - event.stopPropagation(); - event.preventDefault(); - }; + // 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); - /** - * Perform moving operating. - * @param {Event} event - * @private - */ - CustomTime.prototype._onDrag = function (event) { - if (!this.eventParams.dragging) return; + this.dataPoints[i].trans = trans; + this.dataPoints[i].screen = screen; + } - var deltaX = event.gesture.deltaX, - x = this.body.util.toScreen(this.eventParams.customTime) + deltaX, - time = this.body.util.toTime(x); + // start the line + if (this.dataPoints.length > 0) { + point = this.dataPoints[0]; - this.setCustomTime(time); + ctx.lineWidth = 1; // TODO: make customizable + ctx.strokeStyle = 'blue'; // TODO: make customizable + ctx.beginPath(); + ctx.moveTo(point.screen.x, point.screen.y); + } - // fire a timechange event - this.body.emitter.emit('timechange', { - time: new Date(this.customTime.valueOf()) - }); + // 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); + } - event.stopPropagation(); - event.preventDefault(); + // finish the line + if (this.dataPoints.length > 0) { + ctx.stroke(); + } }; /** - * Stop moving operating. - * @param {event} event - * @private + * Start a moving operation inside the provided parent element + * @param {Event} event The event that occurred (required for + * retrieving the mouse position) */ - CustomTime.prototype._onDragEnd = function (event) { - if (!this.eventParams.dragging) return; + Graph3d.prototype._onMouseDown = function(event) { + event = event || window.event; - // fire a timechanged event - this.body.emitter.emit('timechanged', { - time: new Date(this.customTime.valueOf()) - }); + // check if mouse is still down (may be up when focus is lost for example + // in an iframe) + if (this.leftButtonDown) { + this._onMouseUp(event); + } - event.stopPropagation(); - event.preventDefault(); - }; + // only react on left mouse button down + this.leftButtonDown = event.which ? (event.which === 1) : (event.button === 1); + if (!this.leftButtonDown && !this.touchDown) return; - module.exports = CustomTime; + // get mouse position (different code for IE and all other browsers) + this.startMouseX = getMouseX(event); + this.startMouseY = getMouseY(event); + this.startStart = new Date(this.start); + this.startEnd = new Date(this.end); + this.startArmRotation = this.camera.getArmRotation(); -/***/ }, -/* 23 */ -/***/ function(module, exports, __webpack_require__) { + 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', me.onmousemove); + util.addEventListener(document, 'mouseup', me.onmouseup); + util.preventDefault(event); + }; - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - var Component = __webpack_require__(20); - var DataStep = __webpack_require__(16); /** - * A horizontal time axis - * @param {Object} [options] See DataAxis.setOptions for the available - * options. - * @constructor DataAxis - * @extends Component - * @param body + * Perform moving operating. + * This function activated from within the funcion Graph.mouseDown(). + * @param {Event} event Well, eehh, the event */ - 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(); + Graph3d.prototype._onMouseMove = function (event) { + event = event || window.event; - var me = this; - this.body.emitter.on("verticalDrag", function() { - me.dom.lineContainer.style.top = me.body.domProps.scrollTop + 'px'; - }); - } + // calculate change in mouse position + var diffX = parseFloat(getMouseX(event)) - this.startMouseX; + var diffY = parseFloat(getMouseY(event)) - this.startMouseY; - DataAxis.prototype = new Component(); + var horizontalNew = this.startArmRotation.horizontal + diffX / 200; + var verticalNew = this.startArmRotation.vertical + diffY / 200; + var snapAngle = 4; // degrees + var snapValue = Math.sin(snapAngle / 360 * 2 * Math.PI); - DataAxis.prototype.addGroup = function(label, graphOptions) { - if (!this.groups.hasOwnProperty(label)) { - this.groups[label] = graphOptions; + // 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; } - this.amountOfGroups += 1; - }; - - DataAxis.prototype.updateGroup = function(label, graphOptions) { - this.groups[label] = graphOptions; - }; - - DataAxis.prototype.removeGroup = function(label) { - if (this.groups.hasOwnProperty(label)) { - delete this.groups[label]; - this.amountOfGroups -= 1; + if (Math.abs(Math.cos(horizontalNew)) < snapValue) { + horizontalNew = (Math.round((horizontalNew/ Math.PI - 0.5)) + 0.5) * Math.PI - 0.001; } - }; + // 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; + } - 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.camera.setArmRotation(horizontalNew, verticalNew); + this.redraw(); - this.minWidth = Number(('' + this.options.width).replace("px","")); + // fire a cameraPositionChange event + var parameters = this.getCameraPosition(); + this.emit('cameraPositionChange', parameters); - if (redraw == true && this.dom.frame) { - this.hide(); - this.show(); - } - } + util.preventDefault(event); }; /** - * Create the HTML DOM for the DataAxis + * Stop moving operating. + * This function activated from within the funcion Graph.mouseDown(). + * @param {event} event The event */ - 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'; + Graph3d.prototype._onMouseUp = function (event) { + this.frame.style.cursor = 'auto'; + this.leftButtonDown = false; - // 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); + // remove event listeners here + util.removeEventListener(document, 'mousemove', this.onmousemove); + util.removeEventListener(document, 'mouseup', this.onmouseup); + util.preventDefault(event); }; - 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; + /** + * 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 mouseX = getMouseX(event) - util.getAbsoluteLeft(this.frame); + var mouseY = getMouseY(event) - util.getAbsoluteTop(this.frame); - if (this.options.orientation == 'left') { - x = iconOffset; - } - else { - x = this.width - iconWidth - iconOffset; + if (!this.showTooltip) { + return; } - 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; - } - } + if (this.tooltipTimeout) { + clearTimeout(this.tooltipTimeout); } - DOMutil.cleanupElements(this.svgElements); - this.iconsRemoved = false; - }; - - DataAxis.prototype._cleanupIcons = function() { - if (this.iconsRemoved == false) { - DOMutil.prepareElements(this.svgElements); - DOMutil.cleanupElements(this.svgElements); - this.iconsRemoved = true; + // (delayed) display of a tooltip only if no mouse button is down + if (this.leftButtonDown) { + this._hideTooltip(); + return; } - } - /** - * 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); + 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; - if (!this.dom.lineContainer.parentNode) { - this.body.dom.backgroundHorizontal.appendChild(this.dom.lineContainer); + // show a tooltip if we have a data point + var dataPoint = me._dataPointFromXY(mouseX, mouseY); + if (dataPoint) { + me._showTooltip(dataPoint); + } + }, delay); } }; /** - * Create the HTML DOM for the DataAxis + * Event handler for touchstart event on mobile devices */ - DataAxis.prototype.hide = function() { - this.hidden = true; - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } + Graph3d.prototype._onTouchStart = function(event) { + this.touchDown = true; - if (this.dom.lineContainer.parentNode) { - this.dom.lineContainer.parentNode.removeChild(this.dom.lineContainer); - } + 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); }; /** - * Set a range (start and end) - * @param end - * @param start - * @param end + * Event handler for touchmove event on mobile devices */ - 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; + Graph3d.prototype._onTouchMove = function(event) { + this._onMouseMove(event); }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Event handler for touchend event on mobile devices */ - DataAxis.prototype.redraw = function () { - var changeCalled = 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; - - var props = this.props; - var frame = this.dom.frame; + Graph3d.prototype._onTouchEnd = function(event) { + this.touchDown = false; - // update classname - frame.className = 'dataaxis'; + util.removeEventListener(document, 'touchmove', this.ontouchmove); + util.removeEventListener(document, 'touchend', this.ontouchend); - // calculate character width and height - this._calculateCharSize(); + this._onMouseUp(event); + }; - var orientation = this.options.orientation; - var showMinorLabels = this.options.showMinorLabels; - var showMajorLabels = this.options.showMajorLabels; - // determine the width and height of the elements for the axis - props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; - props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; + /** + * 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; - 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; + // 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; + } - // 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"; - } - 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"; - } - changeCalled = this._redrawLabels(); + // 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); - if (this.options.icons == true) { - this._redrawGroupIcons(); - } - else { - this._cleanupIcons(); - } + this.camera.setArmLength(newLength); + this.redraw(); - this._redrawTitle(orientation); + this._hideTooltip(); } - return changeCalled; + + // 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); }; /** - * Repaint major and minor text labels and vertical grid lines + * 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 */ - DataAxis.prototype._redrawLabels = function () { - DOMutil.prepareElements(this.DOMelements.lines); - DOMutil.prepareElements(this.DOMelements.labels); - - 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 - ); + Graph3d.prototype._insideTriangle = function (point, triangle) { + var a = triangle[0], + b = triangle[1], + c = triangle[2]; - 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)); + function sign (x) { + return x > 0 ? 1 : x < 0 ? -1 : 0; + } - this.stepPixels = stepPixels; + 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)); - var amountOfSteps = this.height / stepPixels; - var stepDifference = 0; + // 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); + }; - // 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; + /** + * 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.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();} + 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 { - amountOfSteps += 0.25; + // 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); + + if ((closestDist === null || dist < closestDist) && dist < distMax) { + closestDist = dist; + closestDataPoint = dataPoint; + } + } + } } - this.valueAtZero = step.marginEnd; - var marginStartPos = 0; + return closestDataPoint; + }; - // do not draw the first label - var max = 1; + /** + * Display a tooltip for given data point + * @param {Object} dataPoint + * @private + */ + Graph3d.prototype._showTooltip = function (dataPoint) { + var content, line, dot; - // Get the number of decimal places - var decimals; - if(this.options.format[orientation] !== undefined) { - decimals = this.options.format[orientation].decimals; - } + 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)'; - 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(); + line = document.createElement('div'); + line.style.position = 'absolute'; + line.style.height = '40px'; + line.style.width = '0'; + line.style.borderLeft = '1px solid #4d4d4d'; - 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); - } + 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'; - 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.tooltip = { + dataPoint: null, + dom: { + content: content, + line: line, + dot: dot } - 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); - } - - if (this.master == true && step.current == 0) { - this.zeroCrossing = max; - } - - max++; - } - - if (this.master == false) { - this.conversionFactor = y / (this.valueAtZero - step.current); + }; } else { - this.conversionFactor = this.dom.frame.offsetHeight / step.marginRange; + content = this.tooltip.dom.content; + line = this.tooltip.dom.line; + dot = this.tooltip.dom.dot; } - // 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._hideTooltip(); - // 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(); - return 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(); - return true; + this.tooltip.dataPoint = dataPoint; + if (typeof this.showTooltip === 'function') { + content.innerHTML = this.showTooltip(dataPoint.point); } else { - DOMutil.cleanupElements(this.DOMelements.lines); - DOMutil.cleanupElements(this.DOMelements.labels); - return false; + content.innerHTML = '' + + '' + + '' + + '' + + '
x:' + dataPoint.point.x + '
y:' + dataPoint.point.y + '
z:' + dataPoint.point.z + '
'; } - }; - DataAxis.prototype.convertValue = function (value) { - var invertedValue = this.valueAtZero - value; - var convertedValue = invertedValue * this.conversionFactor; - return convertedValue; + content.style.left = '0'; + content.style.top = '0'; + this.frame.appendChild(content); + this.frame.appendChild(line); + this.frame.appendChild(dot); + + // calculate sizes + var contentWidth = content.offsetWidth; + var contentHeight = content.offsetHeight; + var lineHeight = line.offsetHeight; + var dotWidth = dot.offsetWidth; + var dotHeight = dot.offsetHeight; + + 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'; }; /** - * Create a label for the axis at position x + * Hide the tooltip when displayed * @private - * @param y - * @param text - * @param orientation - * @param className - * @param characterHeight */ - 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"; - } - else { - label.style.right = '-' + this.options.labelOffsetX + 'px'; - label.style.textAlign = "left"; + 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); + } + } + } } + }; - label.style.top = y - 0.5 * characterHeight + this.options.labelOffsetY + 'px'; + /**--------------------------------------------------------------------------**/ - text += ''; - var largestWidth = Math.max(this.props.majorCharWidth,this.props.minorCharWidth); - if (this.maxLabelSize < text.length * largestWidth) { - this.maxLabelSize = text.length * largestWidth; - } - }; + /** + * 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; + } /** - * Create a minor line for the axis at position y - * @param y - * @param orientation - * @param className - * @param offset - * @param width + * Get the vertical mouse position from a mouse event + * @param {Event} event + * @return {Number} mouse y */ - 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 = ''; + function getMouseY (event) { + if ('clientY' in event) return event.clientY; + return event.targetTouches[0] && event.targetTouches[0].clientY || 0; + } - if (orientation == 'left') { - line.style.left = (this.width - offset) + 'px'; - } - else { - line.style.right = (this.width - offset) + 'px'; - } + module.exports = Graph3d; - line.style.width = width + 'px'; - line.style.top = y + 'px'; - } - }; +/***/ }, +/* 11 */ +/***/ function(module, exports, __webpack_require__) { + + /** - * Create a title for the axis - * @private - * @param orientation + * Expose `Emitter`. */ - 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; + module.exports = Emitter; - // Add style - if provided - if (this.options.title[orientation].style !== undefined) { - util.addCssText(title, this.options.title[orientation].style); - } + /** + * Initialize a new `Emitter`. + * + * @api public + */ - if (orientation == 'left') { - title.style.left = this.props.titleCharHeight + 'px'; - } - else { - title.style.right = this.props.titleCharHeight + 'px'; - } + function Emitter(obj) { + if (obj) return mixin(obj); + }; - title.style.width = this.height + 'px'; + /** + * 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; + } - // we need to clean up in case we did not use all elements. - DOMutil.cleanupElements(this.DOMelements.title); + /** + * Listen on the given `event` with `fn`. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + + Emitter.prototype.on = + Emitter.prototype.addEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; + (this._callbacks[event] = this._callbacks[event] || []) + .push(fn); + return this; }; + /** + * Adds an `event` listener that will be invoked a single + * time then automatically removed. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + + Emitter.prototype.once = function(event, fn){ + var self = this; + this._callbacks = this._callbacks || {}; + function on() { + self.off(event, on); + fn.apply(this, arguments); + } + on.fn = fn; + this.on(event, on); + return this; + }; /** - * 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 + * Remove the given callback for `event` or all + * registered callbacks. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public */ - 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; + Emitter.prototype.off = + Emitter.prototype.removeListener = + Emitter.prototype.removeAllListeners = + Emitter.prototype.removeEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; - this.dom.frame.removeChild(measureCharMinor); + // all + if (0 == arguments.length) { + this._callbacks = {}; + return this; } - 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); + // specific event + var callbacks = this._callbacks[event]; + if (!callbacks) return this; - this.props.majorCharHeight = measureCharMajor.clientHeight; - this.props.majorCharWidth = measureCharMajor.clientWidth; + // remove all handlers + if (1 == arguments.length) { + delete this._callbacks[event]; + return this; + } - this.dom.frame.removeChild(measureCharMajor); + // 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; + }; - 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); + /** + * Emit `event` with the given args. + * + * @param {String} event + * @param {Mixed} ... + * @return {Emitter} + */ - this.props.titleCharHeight = measureCharTitle.clientHeight; - this.props.titleCharWidth = measureCharTitle.clientWidth; + Emitter.prototype.emit = function(event){ + this._callbacks = this._callbacks || {}; + var args = [].slice.call(arguments, 1) + , callbacks = this._callbacks[event]; - this.dom.frame.removeChild(measureCharTitle); + if (callbacks) { + callbacks = callbacks.slice(0); + for (var i = 0, len = callbacks.length; i < len; ++i) { + callbacks[i].apply(this, args); + } } + + return this; }; /** - * 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 + * Return array of callbacks for `event`. + * + * @param {String} event + * @return {Array} + * @api public */ - DataAxis.prototype.snap = function(date) { - return this.step.snap(date); + + Emitter.prototype.listeners = function(event){ + this._callbacks = this._callbacks || {}; + return this._callbacks[event] || []; }; - module.exports = DataAxis; + /** + * Check if this emitter has `event` handlers. + * + * @param {String} event + * @return {Boolean} + * @api public + */ + + Emitter.prototype.hasListeners = function(event){ + return !! this.listeners(event).length; + }; /***/ }, -/* 24 */ +/* 12 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - var Line = __webpack_require__(51); - var Bar = __webpack_require__(52); - var Points = __webpack_require__(53); - /** - * /** - * @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 + * @prototype Point3d + * @param {Number} [x] + * @param {Number} [y] + * @param {Number} [z] */ - 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; - } - + function Point3d(x, y, z) { + this.x = x !== undefined ? x : 0; + this.y = y !== undefined ? y : 0; + this.z = z !== undefined ? z : 0; + }; /** - * this loads a reference to all items in this group into this group. - * @param {array} items + * Subtract the two provided points, returns a-b + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} a-b */ - 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 = []; - } + 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; }; - /** - * this is used for plotting barcharts, this way, we only have to calculate it once. - * @param pos + * Add the two provided points, returns a+b + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} a+b */ - GraphGroup.prototype.setZeroPosition = function(pos) { - this.zeroPosition = pos; + 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; }; - /** - * set the options of the graph group over the default options. - * @param options + * Calculate the average of two 3d points + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} The average, (a+b)/2 */ - GraphGroup.prototype.setOptions = function(options) { - if (options !== undefined) { - var fields = ['sampling','style','sort','yAxisOrientation','barChart']; - util.selectiveDeepExtend(fields, this.options, options); + Point3d.avg = function(a, b) { + return new Point3d( + (a.x + b.x) / 2, + (a.y + b.y) / 2, + (a.z + b.z) / 2 + ); + }; - util.mergeOptions(this.options, options,'catmullRom'); - util.mergeOptions(this.options, options,'drawPoints'); - util.mergeOptions(this.options, options,'shaded'); + /** + * 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 + */ + Point3d.crossProduct = function(a, b) { + var crossproduct = new Point3d(); - 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; - } - } - } - } - } + 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; - 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); - } + return crossproduct; }; /** - * this updates the current group class with the latest group dataset entree, used in _updateGroup in linegraph - * @param group + * Rtrieve the length of the vector (or the distance from this point to the origin + * @return {Number} length */ - 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); + Point3d.prototype.length = function() { + return Math.sqrt( + this.x * this.x + + this.y * this.y + + this.z * this.z + ); }; + module.exports = Point3d; - /** - * draw the icon for the legend. - * - * @param x - * @param y - * @param JSONcontainer - * @param SVGcontainer - * @param iconWidth - * @param iconHeight - */ - 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"); - 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); - } +/***/ }, +/* 13 */ +/***/ function(module, exports, __webpack_require__) { - 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"); - } + /** + * @prototype Point2d + * @param {Number} [x] + * @param {Number} [y] + */ + function Point2d (x, y) { + this.x = x !== undefined ? x : 0; + this.y = y !== undefined ? y : 0; + } - 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); + module.exports = Point2d; - var offset = Math.round((iconWidth - (2 * barWidth))/3); - 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); - } - }; +/***/ }, +/* 14 */ +/***/ function(module, exports, __webpack_require__) { + var Point3d = __webpack_require__(12); /** - * return the legend entree for this group. + * @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. * - * @param iconWidth - * @param iconHeight - * @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}} + * Documentation: + * http://en.wikipedia.org/wiki/3D_projection */ - 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}; - } + function Camera() { + this.armLocation = new Point3d(); + this.armRotation = {}; + this.armRotation.horizontal = 0; + this.armRotation.vertical = 0; + this.armLength = 1.7; - GraphGroup.prototype.getYRange = function(groupData) { - return this.type.getYRange(groupData); - } + this.cameraLocation = new Point3d(); + this.cameraRotation = new Point3d(0.5*Math.PI, 0, 0); - GraphGroup.prototype.draw = function(dataset, group, framework) { - this.type.draw(dataset, group, framework); + this.calculateCameraOrientation(); } - - module.exports = GraphGroup; - - -/***/ }, -/* 25 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var stack = __webpack_require__(18); - var RangeItem = __webpack_require__(35); - /** - * @constructor Group - * @param {Number | String} groupId - * @param {Object} data - * @param {ItemSet} itemSet + * 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 */ - function Group (groupId, data, itemSet) { - this.groupId = groupId; - this.subgroups = {}; - this.subgroupIndex = 0; - this.subgroupOrderer = data && data.subgroupOrder; - this.itemSet = itemSet; + Camera.prototype.setArmLocation = function(x, y, z) { + this.armLocation.x = x; + this.armLocation.y = y; + this.armLocation.z = z; - this.dom = {}; - this.props = { - label: { - width: 0, - height: 0 - } - }; - this.className = null; + this.calculateCameraOrientation(); + }; - 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; - }) + /** + * 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; + } - this._create(); + 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; + } - this.setData(data); - } + if (horizontal !== undefined || vertical !== undefined) { + this.calculateCameraOrientation(); + } + }; /** - * Create DOM elements for the group - * @private + * Retrieve the current arm rotation + * @return {object} An object with parameters horizontal and vertical */ - Group.prototype._create = function() { - var label = document.createElement('div'); - label.className = 'vlabel'; - this.dom.label = label; + Camera.prototype.getArmRotation = function() { + var rot = {}; + rot.horizontal = this.armRotation.horizontal; + rot.vertical = this.armRotation.vertical; - var inner = document.createElement('div'); - inner.className = 'inner'; - label.appendChild(inner); - this.dom.inner = inner; + return rot; + }; - var foreground = document.createElement('div'); - foreground.className = 'group'; - foreground['timeline-group'] = this; - this.dom.foreground = foreground; + /** + * 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; - this.dom.background = document.createElement('div'); - this.dom.background.className = 'group'; + this.armLength = length; - this.dom.axis = document.createElement('div'); - this.dom.axis.className = 'group'; + // 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; - // 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); + this.calculateCameraOrientation(); }; /** - * Set the group data for this group - * @param {Object} data Group data, can contain properties content and className + * Retrieve the arm length + * @return {Number} length */ - 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 - } - - // 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'); - } + Camera.prototype.getArmLength = function() { + return this.armLength; + }; - // 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; - } + /** + * Retrieve the camera location + * @return {Point3d} cameraLocation + */ + Camera.prototype.getCameraLocation = function() { + return this.cameraLocation; + }; - // 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; - } + /** + * Retrieve the camera rotation + * @return {Point3d} cameraRotation + */ + Camera.prototype.getCameraRotation = function() { + return this.cameraRotation; }; /** - * Get the width of the group label - * @return {number} width + * Calculate the location and rotation of the camera based on the + * position and orientation of the camera arm */ - Group.prototype.getLabelWidth = function() { - return this.props.label.width; + 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); + + // 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 = Camera; + +/***/ }, +/* 15 */ +/***/ function(module, exports, __webpack_require__) { + + var DataView = __webpack_require__(9); /** - * 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 + * @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 */ - Group.prototype.redraw = function(range, margin, restack) { - var resized = false; + function Filter (data, column, graph) { + this.data = data; + this.column = column; + this.graph = graph; // the parent graph - this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); + this.index = undefined; + this.value = undefined; - // 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; + // read all distinct values and select the first one + this.values = graph.getDistinctValues(data.get(), this.column); - util.forEach(this.items, function (item) { - item.dirty = true; - if (item.displayed) item.redraw(); - }); + // sort both numeric and string values correctly + this.values.sort(function (a, b) { + return a > b ? 1 : a < b ? -1 : 0; + }); - restack = true; + if (this.values.length > 0) { + this.selectValue(0); } - // reposition visible items vertically - if (this.itemSet.options.stack) { // TODO: ugly way to access options... - stack.stack(this.visibleItems, margin, restack); + // create an array with the filtered datapoints. this will be loaded afterwards + this.dataPoints = []; + + this.loaded = false; + this.onLoadCallback = undefined; + + if (graph.animationPreload) { + this.loaded = false; + this.loadInBackground(); } - else { // no stacking - stack.nostack(this.visibleItems, margin, this.subgroups); + else { + this.loaded = true; } + }; - // 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; + /** + * Return the label + * @return {string} label + */ + Filter.prototype.isLoaded = function() { + return this.loaded; + }; - // 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'; + /** + * Return the loaded progress + * @return {Number} percentage between 0 and 100 + */ + Filter.prototype.getLoadedProgress = function() { + var len = this.values.length; - // 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); + var i = 0; + while (this.dataPoints[i]) { + i++; } - return resized; + return Math.round(i / len * 100); }; + /** - * recalculate the height of the group - * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin - * @returns {number} Returns the height - * @private + * Return the label + * @return {string} label */ - 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; - } - else { - height = margin.axis + margin.item.vertical; - } - height = Math.max(height, this.props.label.height); - - return height; + Filter.prototype.getLabel = function() { + return this.graph.filterLabel; }; + /** - * Show this group: attach to the DOM + * Return the columnIndex of the filter + * @return {Number} columnIndex */ - 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); - } + Filter.prototype.getColumn = function() { + return this.column; + }; - if (!this.dom.background.parentNode) { - this.itemSet.dom.background.appendChild(this.dom.background); - } + /** + * Return the currently selected value. Returns undefined if there is no selection + * @return {*} value + */ + Filter.prototype.getSelectedValue = function() { + if (this.index === undefined) + return undefined; - if (!this.dom.axis.parentNode) { - this.itemSet.dom.axis.appendChild(this.dom.axis); - } + return this.values[this.index]; }; /** - * Hide this group: remove from the DOM + * Retrieve all values of the filter + * @return {Array} values */ - Group.prototype.hide = function() { - var label = this.dom.label; - if (label.parentNode) { - label.parentNode.removeChild(label); - } - - var foreground = this.dom.foreground; - if (foreground.parentNode) { - foreground.parentNode.removeChild(foreground); - } + Filter.prototype.getValues = function() { + return this.values; + }; - var background = this.dom.background; - if (background.parentNode) { - background.parentNode.removeChild(background); - } + /** + * 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'; - var axis = this.dom.axis; - if (axis.parentNode) { - axis.parentNode.removeChild(axis); - } + return this.values[index]; }; + /** - * Add an item to the group - * @param {Item} item + * Retrieve the (filtered) dataPoints for the currently selected filter index + * @param {Number} [index] (optional) + * @return {Array} dataPoints */ - Group.prototype.add = function(item) { - this.items[item.id] = item; - item.setParent(this); + Filter.prototype._getDataPoints = function(index) { + if (index === undefined) + index = this.index; - // 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 (index === undefined) + return []; - 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); + var dataPoints; + if (this.dataPoints[index]) { + dataPoints = this.dataPoints[index]; } - }; + else { + var f = {}; + f.column = this.column; + f.value = this.values[index]; - 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; - }) - } - else if (typeof this.subgroupOrderer == 'function') { - for (var subgroup in this.subgroups) { - sortArray.push(this.subgroups[subgroup].items[0].data); - } - sortArray.sort(this.subgroupOrderer); - } + var dataView = new DataView(this.data,{filter: function (item) {return (item[f.column] == f.value);}}).get(); + dataPoints = this.graph._getDataPoints(dataView); - if (sortArray.length > 0) { - for (var i = 0; i < sortArray.length; i++) { - this.subgroups[sortArray[i].subgroup].index = i; - } - } + this.dataPoints[index] = dataPoints; } - }; - Group.prototype.resetSubgroups = function() { - for (var subgroup in this.subgroups) { - if (this.subgroups.hasOwnProperty(subgroup)) { - this.subgroups[subgroup].visible = false; - } - } + return dataPoints; }; - /** - * 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); - - // TODO: also remove from ordered items? - }; /** - * Remove an item from the corresponding DataSet - * @param {Item} item + * Set a callback function when the filter is fully loaded. */ - Group.prototype.removeFromDataSet = function(item) { - this.itemSet.removeItem(item.id); + Filter.prototype.setOnLoadCallback = function(callback) { + this.onLoadCallback = callback; }; /** - * Reorder the items + * Add a value to the list with available values for this filter + * No double entries will be created. + * @param {Number} index */ - 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 - }; + Filter.prototype.selectValue = function(index) { + if (index >= this.values.length) + throw 'Error: index out of range'; - stack.orderByStart(this.orderedItems.byStart); - stack.orderByEnd(this.orderedItems.byEnd); + this.index = index; + this.value = this.values[index]; }; - /** - * 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 + * Load all filtered rows in the background one by one + * Start this method without providing an index! */ - 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; + Filter.prototype.loadInBackground = function(index) { + if (index === undefined) + index = 0; - // 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;} + var frame = this.graph.frame; + + if (index < this.values.length) { + var dataPointsTemp = this._getDataPoints(index); + //this.graph.redrawInfo(); // TODO: not neat + + // 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); + } + 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; - // 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); + // remove the progress box + if (frame.progress !== undefined) { + frame.removeChild(frame.progress); + frame.progress = undefined; } + + if (this.onLoadCallback) + this.onLoadCallback(); } + }; - // we do a binary search for the items that have only start values. - var initialPosByStart = util.binarySearchCustom(orderedItems.byStart, searchFunction, 'data','start'); + module.exports = Filter; - // 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 { - // we do a binary search for the items that have defined end times. - var initialPosByEnd = util.binarySearchCustom(orderedItems.byEnd, searchFunction, 'data','end'); +/***/ }, +/* 16 */ +/***/ function(module, exports, __webpack_require__) { - // 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); - }); + var util = __webpack_require__(1); + + /** + * @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.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); - // 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(); - } + this.frame.prev = document.createElement('INPUT'); + this.frame.prev.type = 'BUTTON'; + this.frame.prev.value = 'Prev'; + this.frame.appendChild(this.frame.prev); - // 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" : "") - // } - //} + this.frame.play = document.createElement('INPUT'); + this.frame.play.type = 'BUTTON'; + this.frame.play.value = 'Play'; + this.frame.appendChild(this.frame.play); - return visibleItems; - }; + this.frame.next = document.createElement('INPUT'); + this.frame.next.type = 'BUTTON'; + this.frame.next.value = 'Next'; + this.frame.appendChild(this.frame.next); - Group.prototype._traceVisible = function (initialPos, items, visibleItems, visibleItemsLookup, breakCondition) { - var item; - var i; + 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); - 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); - } - } - } + 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); - 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); - } - } - } + // 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);}; } - } + this.onChangeCallback = undefined; + + this.values = []; + this.index = undefined; + + this.playTimeout = undefined; + this.playInterval = 1000; // milliseconds + this.playLoop = true; + } /** - * 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 + * Select the previous index */ - 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(); - } + Slider.prototype.prev = function() { + var index = this.getIndex(); + if (index > 0) { + index--; + this.setIndex(index); + } }; - /** - * 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 + * Select the next index */ - 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(); + Slider.prototype.next = function() { + var index = this.getIndex(); + if (index < this.values.length - 1) { + index++; + this.setIndex(index); } }; + /** + * Select the next index + */ + Slider.prototype.playNext = function() { + var start = new Date(); + var index = this.getIndex(); + if (index < this.values.length - 1) { + index++; + this.setIndex(index); + } + else if (this.playLoop) { + // jump to the start + index = 0; + this.setIndex(index); + } - module.exports = Group; - + var end = new Date(); + var diff = (end - start); -/***/ }, -/* 26 */ -/***/ function(module, exports, __webpack_require__) { + // 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 util = __webpack_require__(1); - var Group = __webpack_require__(25); + var me = this; + this.playTimeout = setTimeout(function() {me.playNext();}, interval); + }; /** - * @constructor BackgroundGroup - * @param {Number | String} groupId - * @param {Object} data - * @param {ItemSet} itemSet + * Toggle start or stop playing */ - function BackgroundGroup (groupId, data, itemSet) { - Group.call(this, groupId, data, itemSet); - - this.width = 0; - this.height = 0; - this.top = 0; - this.left = 0; - } - - BackgroundGroup.prototype = Object.create(Group.prototype); + Slider.prototype.togglePlay = function() { + if (this.playTimeout === undefined) { + this.play(); + } else { + this.stop(); + } + }; /** - * 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 + * Start playing */ - BackgroundGroup.prototype.redraw = function(range, margin, restack) { - var resized = false; - - this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); - - // calculate actual size - this.width = this.dom.background.offsetWidth; + Slider.prototype.play = function() { + // Test whether already playing + if (this.playTimeout) return; - // apply new height (just always zero for BackgroundGroup - this.dom.background.style.height = '0'; + this.playNext(); - // 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); + if (this.frame) { + this.frame.play.value = 'Stop'; } - - return resized; }; /** - * Show this group: attach to the DOM + * Stop playing */ - BackgroundGroup.prototype.show = function() { - if (!this.dom.background.parentNode) { - this.itemSet.dom.background.appendChild(this.dom.background); + Slider.prototype.stop = function() { + clearInterval(this.playTimeout); + this.playTimeout = undefined; + + if (this.frame) { + this.frame.play.value = 'Play'; } }; - module.exports = BackgroundGroup; - - -/***/ }, -/* 27 */ -/***/ function(module, exports, __webpack_require__) { - - 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); - - - var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items - var BACKGROUND = '__background__'; // reserved group id for background items without group - /** - * 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 + * Set a callback function which will be triggered when the value of the + * slider bar has changed. */ - 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 - }; - - // options is shared by this ItemSet and all its items - this.options = util.extend({}, this.defaultOptions); + Slider.prototype.setOnChangeCallback = function(callback) { + this.onChangeCallback = callback; + }; - // options for getting items from the DataSet with the correct type - this.itemOptions = { - type: {start: 'Date', end: 'Date'} - }; + /** + * Set the interval for playing the list + * @param {Number} interval The interval in milliseconds + */ + Slider.prototype.setPlayInterval = function(interval) { + this.playInterval = interval; + }; - this.conversion = { - toScreen: body.util.toScreen, - toTime: body.util.toTime - }; - this.dom = {}; - this.props = {}; - this.hammer = null; + /** + * Retrieve the current play interval + * @return {Number} interval The interval in milliseconds + */ + Slider.prototype.getPlayInterval = function(interval) { + return this.playInterval; + }; - var me = this; - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + /** + * 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; + }; - // 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); - } - }; + /** + * Execute the onchange callback function + */ + Slider.prototype.onChange = function() { + if (this.onChangeCallback !== undefined) { + this.onChangeCallback(); + } + }; - this.items = {}; // object with an Item for every data item - this.groups = {}; // Group object for every group - this.groupIds = []; + /** + * redraw the slider on the correct place + */ + 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'; - this.selection = []; // list with the ids of all selected nodes - this.stackDirty = true; // if true, all items will be restacked on next redraw + // position the slider button + var left = this.indexToLeft(this.index); + this.frame.slide.style.left = (left) + 'px'; + } + }; - this.touchParams = {}; // stores properties while dragging - // create the HTML DOM - this._create(); + /** + * Set the list with values for the slider + * @param {Array} values A javascript array with values (any type) + */ + Slider.prototype.setValues = function(values) { + this.values = values; - this.setOptions(options); - } + if (this.values.length > 0) + this.setIndex(0); + else + this.index = undefined; + }; - ItemSet.prototype = new Component(); + /** + * Select a value by its index + * @param {Number} index + */ + Slider.prototype.setIndex = function(index) { + if (index < this.values.length) { + this.index = index; - // available item types will be registered here - ItemSet.types = { - background: BackgroundItem, - box: BoxItem, - range: RangeItem, - point: PointItem + this.redraw(); + this.onChange(); + } + else { + throw 'Error: index out of range'; + } }; /** - * Create the HTML DOM for the ItemSet + * retrieve the index of the currently selected vaue + * @return {Number} index */ - ItemSet.prototype._create = function(){ - var frame = document.createElement('div'); - frame.className = 'itemset'; - frame['timeline-itemset'] = this; - this.dom.frame = frame; - - // create background panel - var background = document.createElement('div'); - background.className = 'background'; - frame.appendChild(background); - this.dom.background = background; + Slider.prototype.getIndex = function() { + return this.index; + }; - // create foreground panel - var foreground = document.createElement('div'); - foreground.className = 'foreground'; - frame.appendChild(foreground); - this.dom.foreground = foreground; - // create axis panel - var axis = document.createElement('div'); - axis.className = 'axis'; - this.dom.axis = axis; + /** + * retrieve the currently selected value + * @return {*} value + */ + Slider.prototype.get = function() { + return this.values[this.index]; + }; - // create labelset - var labelSet = document.createElement('div'); - labelSet.className = 'labelset'; - this.dom.labelSet = labelSet; - // create ungrouped Group - this._updateUngrouped(); + 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; - // create background Group - var backgroundGroup = new BackgroundGroup(BACKGROUND, null, this); - backgroundGroup.show(); - this.groups[BACKGROUND] = backgroundGroup; + this.startClientX = event.clientX; + this.startSlideX = parseFloat(this.frame.slide.style.left); - // 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 - }); + this.frame.style.cursor = 'move'; - // 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)); + // 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); + }; - // single select (or unselect) when tapping an item - this.hammer.on('tap', this._onSelectItem.bind(this)); - // multi select when holding mouse/touch, or on ctrl+click - this.hammer.on('hold', this._onMultiSelectItem.bind(this)); + Slider.prototype.leftToIndex = function (left) { + var width = parseFloat(this.frame.bar.style.width) - + this.frame.slide.clientWidth - 10; + var x = left - 3; - // add item on doubletap - this.hammer.on('doubletap', this._onAddItem.bind(this)); + 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; - // attach to the DOM - this.show(); + return index; }; - /** - * 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); + 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; - 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); - } - } - } - } + return left; + }; - 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); - } - } - // 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(); - } + 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(); }; - /** - * Mark the ItemSet dirty so it will refresh everything with next redraw - */ - ItemSet.prototype.markDirty = function() { - this.groupIds = []; - this.stackDirty = true; + + 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__) { + /** - * Destroy the ItemSet + * @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, ...) */ - ItemSet.prototype.destroy = function() { - this.hide(); - this.setItems(null); - this.setGroups(null); - - this.hammer = null; + 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.body = null; - this.conversion = null; + this._current = 0; + this.setRange(start, end, step, prettyStep); }; /** - * Hide the component from the DOM + * 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, ...) */ - ItemSet.prototype.hide = function() { - // remove the frame containing the items - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } - - // remove the axis with dots - if (this.dom.axis.parentNode) { - this.dom.axis.parentNode.removeChild(this.dom.axis); - } + StepNumber.prototype.setRange = function(start, end, step, prettyStep) { + this._start = start ? start : 0; + this._end = end ? end : 0; - // remove the labelset containing all group labels - if (this.dom.labelSet.parentNode) { - this.dom.labelSet.parentNode.removeChild(this.dom.labelSet); - } + this.setStep(step, prettyStep); }; /** - * Show the component in the DOM (when not already visible). - * @return {Boolean} changed + * 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, ...) */ - ItemSet.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); - } + StepNumber.prototype.setStep = function(step, prettyStep) { + if (step === undefined || step <= 0) + return; - // show axis with dots - if (!this.dom.axis.parentNode) { - this.body.dom.backgroundVertical.appendChild(this.dom.axis); - } + if (prettyStep !== undefined) + this.prettyStep = prettyStep; - // show labelset containing labels - if (!this.dom.labelSet.parentNode) { - this.body.dom.left.appendChild(this.dom.labelSet); - } + if (this.prettyStep === true) + this._step = StepNumber.calculatePrettyStep(step); + else + this._step = step; }; /** - * 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. + * 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 */ - ItemSet.prototype.setSelection = function(ids) { - var i, ii, id, item; + StepNumber.calculatePrettyStep = function (step) { + var log10 = function (x) {return Math.log(x) / Math.LN10;}; - if (ids == undefined) ids = []; - if (!Array.isArray(ids)) ids = [ids]; + // 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))); - // 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(); - } + // 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; - // 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(); - } + // for safety + if (prettyStep <= 0) { + prettyStep = 1; } + + return prettyStep; }; /** - * Get the selected items by their id - * @return {Array} ids The ids of the selected items + * returns the current value of the step + * @return {Number} current value */ - ItemSet.prototype.getSelection = function() { - return this.selection.concat([]); + StepNumber.prototype.getCurrent = function () { + return parseFloat(this._current.toPrecision(this.precision)); }; /** - * Get the id's of the currently visible items. - * @returns {Array} The ids of the visible items + * returns the current step size + * @return {Number} current step size */ - 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 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); - } - } - } - } + StepNumber.prototype.getStep = function () { + return this._step; + }; - return ids; + /** + * 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; }; /** - * Deselect a selected item - * @param {String | Number} id - * @private + * Do a step, add the step size to the current value */ - 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; - } - } + StepNumber.prototype.next = function () { + this._current += this._step; }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Returns true whether the end is reached + * @return {boolean} True if the current value has passed the end value. */ - 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; + StepNumber.prototype.end = function () { + return (this._current > this._end); + }; - // 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; + module.exports = StepNumber; - // update class name - frame.className = 'itemset' + (editable ? ' editable' : ''); - // reorder the groups (if needed) - resized = this._orderGroups() || resized; +/***/ }, +/* 18 */ +/***/ function(module, exports, __webpack_require__) { - // 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 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 ItemSet = __webpack_require__(26); - var restack = this.stackDirty; - var firstGroup = this._firstGroup(); - var firstMargin = { - item: margin.item, - axis: margin.axis + /** + * 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 Timeline (container, items, groups, options) { + if (!(this instanceof Timeline)) { + throw new SyntaxError('Constructor must be called with the new operator'); + } + + // 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 me = this; + this.defaultOptions = { + start: null, + end: null, + + autoResize: true, + + orientation: 'bottom', + width: null, + height: null, + maxHeight: null, + minHeight: null }; - var nonFirstMargin = { - item: margin.item, - axis: margin.item.vertical / 2 + this.options = util.deepExtend({}, this.defaultOptions); + + // Create the DOM, props, and emitter + this._create(container); + + // all components listed here will be repainted automatically + this.components = []; + + 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) + } }; - var height = 0; - var minHeight = margin.axis + margin.item.vertical; - // redraw the background group - this.groups[BACKGROUND].redraw(range, nonFirstMargin, restack); + // range + this.range = new Range(this.body); + this.components.push(this.range); + this.body.range = this.range; - // 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; + // time axis + this.timeAxis = new TimeAxis(this.body); + this.components.push(this.timeAxis); + this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); - // update frame height - frame.style.height = asSize(height); + // current time bar + this.currentTime = new CurrentTime(this.body); + this.components.push(this.currentTime); - // calculate actual size - this.props.width = frame.offsetWidth; - this.props.height = height; + // 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); - // 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'; + // item set + this.itemSet = new ItemSet(this.body); + this.components.push(this.itemSet); - // check if this component is resized - resized = this._isResized() || resized; + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + + // apply options + if (options) { + this.setOptions(options); + } + + // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! + if (groups) { + this.setGroups(groups); + } + + // create itemset + if (items) { + this.setItems(items); + } + else { + this.redraw(); + } + } + + // Extend the functionality from Core + Timeline.prototype = new Core(); + + /** + * Set items + * @param {vis.DataSet | Array | google.visualization.DataTable | null} items + */ + Timeline.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' + } + }); + } + + // set items + this.itemsData = newDataSet; + this.itemSet && this.itemSet.setItems(newDataSet); + + if (initialLoad) { + if (this.options.start != undefined || this.options.end != undefined) { + if (this.options.start == undefined || this.options.end == undefined) { + var dataRange = this._getDataRange(); + } + + var start = this.options.start != undefined ? this.options.start : dataRange.start; + var end = this.options.end != undefined ? this.options.end : dataRange.end; + + this.setWindow(start, end, {animate: false}); + } + else { + this.fit({animate: false}); + } + } + }; + + /** + * Set groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groups + */ + 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 { + // turn an array into a dataset + newDataSet = new DataSet(groups); + } + + this.groupsData = newDataSet; + this.itemSet.setGroups(newDataSet); + }; + + /** + * 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. + */ + Timeline.prototype.setSelection = function(ids, options) { + this.itemSet && this.itemSet.setSelection(ids); - return resized; + if (options && options.focus) { + this.focus(ids, options); + } }; /** - * Get the first group, aligned with the axis - * @return {Group | null} firstGroup - * @private + * Get the selected items by their id + * @return {Array} ids The ids of the selected items */ - 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; + Timeline.prototype.getSelection = function() { + return this.itemSet && this.itemSet.getSelection() || []; }; /** - * Create or delete the group holding all ungrouped items. This group is used when - * there are no groups specified. - * @protected + * 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 */ - ItemSet.prototype._updateUngrouped = function() { - var ungrouped = this.groups[UNGROUPED]; - var background = this.groups[BACKGROUND]; - var item, itemId; + Timeline.prototype.focus = function(id, options) { + if (!this.itemsData || id == undefined) return; - if (this.groupsData) { - // remove the group holding all ungrouped items - if (ungrouped) { - ungrouped.hide(); - delete this.groups[UNGROUPED]; + var ids = Array.isArray(id) ? id : [id]; - 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(); - } - } + // get the specified item(s) + var itemsData = this.itemsData.getDataSet().get(ids, { + type: { + start: 'Date', + end: 'Date' } - } - 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); - } - } + // 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(); - ungrouped.show(); + if (start === null || s < start) { + start = s; + } + + if (end === null || e > end) { + end = e; } + }); + + 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); } }; /** - * Get the element for the labelset - * @return {HTMLElement} labelSet + * 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 */ - ItemSet.prototype.getLabelSet = function() { - return this.dom.labelSet; - }; + Timeline.prototype.getItemRange = function() { + // calculate min from start filed + var dataset = this.itemsData.getDataSet(), + min = null, + max = null; - /** - * Set items - * @param {vis.DataSet | null} items - */ - ItemSet.prototype.setItems = function(items) { - var me = this, - ids, - oldItemsData = this.itemsData; + 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 - // 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'); + // 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(); + } + else { + max = Math.max(max, util.convert(maxEndItem.end, 'Date').valueOf()); + } + } } - if (oldItemsData) { - // unsubscribe from old dataset - util.forEach(this.itemListeners, function (callback, event) { - oldItemsData.off(event, callback); - }); + return { + min: (min != null) ? new Date(min) : null, + max: (max != null) ? new Date(max) : null + }; + }; - // 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); - }); + module.exports = Timeline; - // add all new items - ids = this.itemsData.getIds(); - this._onAdd(ids); - // update the group holding all ungrouped items - this._updateUngrouped(); +/***/ }, +/* 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.'); } - }; + } + + +/***/ }, +/* 20 */ +/***/ 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 */ + + (function(window, undefined) { + 'use strict'; /** - * Get the current items - * @returns {vis.DataSet | null} + * @main + * @module hammer + * + * @class Hammer + * @static */ - ItemSet.prototype.getItems = function() { - return this.itemsData; - }; /** - * Set groups - * @param {vis.DataSet} groups + * Hammer, use this to create instances + * ```` + * var hammertime = new Hammer(myElement); + * ```` + * + * @method Hammer + * @param {HTMLElement} element + * @param {Object} [options={}] + * @return {Hammer.Instance} */ - ItemSet.prototype.setGroups = function(groups) { - var me = this, - ids; - - // unsubscribe from current dataset - if (this.groupsData) { - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.unsubscribe(event, callback); - }); + var Hammer = function Hammer(element, options) { + return new Hammer.Instance(element, options || {}); + }; - // remove all drawn groups - ids = this.groupsData.getIds(); - this.groupsData = null; - this._onRemoveGroups(ids); // note: this will cause a redraw - } + /** + * version, as defined in package.json + * the value will be set at each build + * @property VERSION + * @final + * @type {String} + */ + Hammer.VERSION = '1.1.3'; - // 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'); - } + /** + * 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} + */ + 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', - if (this.groupsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.on(event, callback, id); - }); + /** + * 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', - // draw all ms - ids = this.groupsData.getIds(); - this._onAddGroups(ids); - } + /** + * 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', - // update the group holding all ungrouped items - this._updateUngrouped(); + /** + * Specifies whether zooming is enabled. Used by IE10> + * @property defaults.behavior.contentZooming + * @type {String} + * @default 'none' + */ + contentZooming: 'none', - // update the order of all items in each group - this._order(); + /** + * 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', - this.body.emitter.emit('change', {queue: true}); + /** + * 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)' + } }; /** - * Get the current groups - * @returns {vis.DataSet | null} groups + * hammer document where the base events are added at + * @property DOCUMENT + * @type {HTMLElement} + * @default window.document */ - ItemSet.prototype.getGroups = function() { - return this.groupsData; - }; + Hammer.DOCUMENT = document; /** - * Remove an item by its id - * @param {String | Number} id + * detect support for pointer events + * @property HAS_POINTEREVENTS + * @type {Boolean} */ - 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); - } - }); - } - }; + Hammer.HAS_POINTEREVENTS = navigator.pointerEnabled || navigator.msPointerEnabled; /** - * Get the time of an item based on it's data and options.type - * @param {Object} itemData - * @returns {string} Returns the type - * @private + * detect support for touch events + * @property HAS_TOUCHEVENTS + * @type {Boolean} */ - ItemSet.prototype._getType = function (itemData) { - return itemData.type || this.options.type || (itemData.end ? 'range' : 'box'); - }; - + Hammer.HAS_TOUCHEVENTS = ('ontouchstart' in window); /** - * Get the group id for an item - * @param {Object} itemData - * @returns {string} Returns the groupId - * @private + * detect mobile browsers + * @property IS_MOBILE + * @type {Boolean} */ - 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; - } - }; + Hammer.IS_MOBILE = /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent); /** - * Handle updated items - * @param {Number[]} ids - * @protected + * detect if we want to support mouseevents at all + * @property NO_MOUSEEVENTS + * @type {Boolean} */ - ItemSet.prototype._onUpdate = function(ids) { - var me = this; + Hammer.NO_MOUSEEVENTS = (Hammer.HAS_TOUCHEVENTS && Hammer.IS_MOBILE) || Hammer.HAS_POINTEREVENTS; - ids.forEach(function (id) { - var itemData = me.itemsData.get(id, me.itemOptions); - var item = me.items[id]; - var type = me._getType(itemData); + /** + * interval in which Hammer recalculates current velocity/direction/angle in ms + * @property CALCULATE_INTERVAL + * @type {Number} + * @default 25 + */ + Hammer.CALCULATE_INTERVAL = 25; - var constructor = ItemSet.types[type]; + /** + * 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 = {}; - 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); - } - } + /** + * 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'; - 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 + '"'); - } - } - }); + /** + * pointertype strings, for safe comparisons + * @property POINTER_MOUSE|TOUCH|PEN + * @final + * @type {String} + * @default 'mouse' 'touch' 'pen' + */ + var POINTER_MOUSE = Hammer.POINTER_MOUSE = 'mouse'; + var POINTER_TOUCH = Hammer.POINTER_TOUCH = 'touch'; + var POINTER_PEN = Hammer.POINTER_PEN = 'pen'; - this._order(); - this.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change', {queue: true}); - }; + /** + * 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'; /** - * Handle added items - * @param {Number[]} ids - * @protected + * if the window events are set... + * @property READY + * @writeOnce + * @type {Boolean} + * @default false */ - ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; + Hammer.READY = false; /** - * Handle removed items - * @param {Number[]} ids - * @protected + * plugins namespace + * @property plugins + * @type {Object} */ - 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}); - } - }; + Hammer.plugins = Hammer.plugins || {}; /** - * Update the order of item in all groups - * @private + * gestures namespace + * see `/gestures` for the definitions + * @property gestures + * @type {Object} */ - 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(); - }); - }; + Hammer.gestures = Hammer.gestures || {}; /** - * Handle updated groups - * @param {Number[]} ids + * setup events to detect gestures on the document + * this function is called when creating an new instance * @private */ - ItemSet.prototype._onUpdateGroups = function(ids) { - this._onAddGroups(ids); - }; + 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; + } /** - * Handle changed groups (added or updated) - * @param {Number[]} ids - * @private + * @module hammer + * + * @class Utils + * @static */ - ItemSet.prototype._onAddGroups = function(ids) { - var me = this; + 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; + }, - ids.forEach(function (id) { - var groupData = me.groupsData.get(id); - var group = me.groups[id]; + /** + * 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); + }, - if (!group) { - // check for reserved ids - if (id == UNGROUPED || id == BACKGROUND) { - throw new Error('Illegal group id. ' + id + ' is a reserved id.'); - } + /** + * 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); + }, - var groupOptions = Object.create(me.options); - util.extend(groupOptions, { - height: null - }); + /** + * 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; - group = new Group(id, groupData, me); - me.groups[id] = group; + // 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; + } + } + } + }, - // 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); - } + /** + * 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; } - } + }, - group.order(); - group.show(); - } - else { - // update group - group.setData(groupData); - } - }); + /** + * 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); + }, - this.body.emitter.emit('change', {queue: true}); - }; + /** + * 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; + }, - /** - * Handle removed groups - * @param {Number[]} ids - * @private - */ - ItemSet.prototype._onRemoveGroups = function(ids) { - var groups = this.groups; - ids.forEach(function (id) { - var group = groups[id]; + /** + * 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; - if (group) { - group.hide(); - delete groups[id]; - } - }); + // 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 + }; + } - this.markDirty(); + Utils.each(touches, function(touch) { + pageX.push(touch.pageX); + pageY.push(touch.pageY); + clientX.push(touch.clientX); + clientY.push(touch.clientY); + }); - this.body.emitter.emit('change', {queue: true}); - }; + 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 + }; + }, - /** - * 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 - }); + /** + * 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 + }; + }, - 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(); - }); + /** + * 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; - // show the groups again, attach them to the DOM in correct order - groupIds.forEach(function (groupId) { - groups[groupId].show(); - }); + return Math.atan2(y, x) * 180 / Math.PI; + }, - this.groupIds = groupIds; - } + /** + * 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); - return changed; - } - else { - return false; - } - }; + if(x >= y) { + return touch1.clientX - touch2.clientX > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; + } + return touch1.clientY - touch2.clientY > 0 ? DIRECTION_UP : DIRECTION_DOWN; + }, - /** - * Add a new item - * @param {Item} item - * @private - */ - ItemSet.prototype._addItem = function(item) { - this.items[item.id] = 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; - // add to group - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - if (group) group.add(item); - }; + return Math.sqrt((x * x) + (y * y)); + }, - /** - * Update an existing item - * @param {Item} item - * @param {Object} itemData - * @private - */ - ItemSet.prototype._updateItem = function(item, itemData) { - var oldGroupId = item.data.group; + /** + * 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; + }, - // update the items data (will redraw the item when displayed) - item.setData(itemData); + /** + * 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; + }, - // update group - if (oldGroupId != item.data.group) { - var oldGroup = this.groups[oldGroupId]; - if (oldGroup) oldGroup.remove(item); + /** + * 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; + }, - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - if (group) group.add(item); - } - }; + /** + * 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); - /** - * 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(); + 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); + } - // remove from items - delete this.items[item.id]; + // test the style + if(p in element.style) { + element.style[p] = (toggle == null || toggle) && value || ''; + break; + } + } + }, - // remove from selection - var index = this.selection.indexOf(item.id); - if (index != -1) this.selection.splice(index, 1); + /** + * 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; + } - // remove from group - item.parent && item.parent.remove(item); - }; + // set the css properties + Utils.each(props, function(value, prop) { + Utils.setPrefixedCss(element, prop, value, toggle); + }); + + var falseFn = toggle && function() { + return false; + }; - /** - * 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 = []; + // also the disable onselectstart + if(props.userSelect == 'none') { + element.onselectstart = falseFn; + } + // and disable ondragstart + if(props.userDrag == 'none') { + element.ondragstart = falseFn; + } + }, - for (var i = 0; i < array.length; i++) { - if (array[i] instanceof RangeItem) { - endArray.push(array[i]); + /** + * 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(); + }); } - } - return endArray; }; + /** - * 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 + * @module hammer */ - ItemSet.prototype._onTouch = function (event) { - // store the touched item, used in _onDragStart - this.touchParams.item = ItemSet.itemFromTarget(event); - }; - /** - * Start dragging the selected events - * @param {Event} event - * @private + * @class Event + * @static */ - ItemSet.prototype._onDragStart = function (event) { - if (!this.options.editable.updateTime && !this.options.editable.updateGroup) { - return; - } + 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, - var item = this.touchParams.item || null; - var me = this; - var props; + /** + * if EVENT_START has been fired + * @property started + * @private + * @type {Boolean} + */ + started: false, - if (item && item.selected) { - var dragLeftItem = event.target.dragLeftItem; - var dragRightItem = event.target.dragRightItem; + /** + * when the mouse is hold down, this is true + * @property should_detect + * @private + * @type {Boolean} + */ + shouldDetect: false, - if (dragLeftItem) { - props = { - item: dragLeftItem, - initialX: event.gesture.center.clientX - }; + /** + * 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); + }); + }, - 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; - } + /** + * 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); + }); + }, - this.touchParams.itemProps = [props]; - } - else if (dragRightItem) { - props = { - item: dragRightItem, - initialX: event.gesture.center.clientX - }; + /** + * 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; - 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; - } + var onTouchHandler = function onTouchHandler(ev) { + var srcType = ev.type.toLowerCase(), + isPointer = Hammer.HAS_POINTEREVENTS, + isMouse = Utils.inStr(srcType, 'mouse'), + triggerType; - 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 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; - 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; - } + // 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; + } - return props; - }); - } + // update the pointer event before entering the detection + if(isPointer && eventType != EVENT_END) { + PointerEvent.updatePointer(eventType, ev); + } - event.stopPropagation(); - } - }; + // we are in a touch/down state, so allowed detection of gestures + if(self.shouldDetect) { + triggerType = self.doDetect.call(self, ev, eventType, element, handler); + } - /** - * Drag selected items - * @param {Event} event - * @private - */ - ItemSet.prototype._onDrag = function (event) { - event.preventDefault() + // ...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 + } - 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; + if(isPointer && eventType == EVENT_END) { + PointerEvent.updatePointer(eventType, ev); + } + }; - // 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.on(element, EVENT_TYPES[eventType], onTouchHandler); + return onTouchHandler; + }, - if ('start' in props) { - var start = new Date(props.start + offset); - newProps.start = snap ? snap(start) : start; - } + /** + * 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; - if ('end' in props) { - var end = new Date(props.end + offset); - newProps.end = snap ? snap(end) : end; - } + // 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; - if ('group' in props) { - // drag from one group to another - var group = ItemSet.groupFromTarget(event); - newProps.group = group && group.groupId; - } + // keep track of how many touches have been removed + changedLength = touchList.length - ((ev.changedTouches) ? ev.changedTouches.length : 1); + } - // 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); + // 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.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change'); + // detection has been started, we keep track of this, see above + this.started = true; - event.stopPropagation(); - } - }; + // generate some event data, some basic information + var evData = this.collectEventData(element, triggerType, touchList, ev); - /** - * 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) - } - }; + // 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); + } - /** - * 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(); + // trigger a change (TOUCH, RELEASE) event, this means the length of the touches changed + if(triggerChange) { + evData.changedLength = changedLength; + evData.eventType = triggerChange; - item.data.group = group.groupId; - } - }; + handler.call(Detection, evData); - /** - * End of dragging selected items - * @param {Event} event - * @private - */ - ItemSet.prototype._onDragEnd = function (event) { - event.preventDefault() + evData.eventType = triggerType; + delete evData.changedLength; + } - if (this.touchParams.itemProps) { - // prepare a change set for the changed items - var changes = [], - me = this, - dataset = this.itemsData.getDataSet(); + // trigger the END event + if(triggerType == EVENT_END) { + handler.call(Detection, evData); - 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); + // ...and we are done with the detection + // so reset everything to start each detection totally fresh + this.started = false; + } - 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; - } + return triggerType; + }, - // 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); + /** + * 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' + ]; + } - me.stackDirty = true; // force re-stacking of all items next redraw - me.body.emitter.emit('change'); - } - }); - } - }); + EVENT_TYPES[EVENT_START] = types[0]; + EVENT_TYPES[EVENT_MOVE] = types[1]; + EVENT_TYPES[EVENT_END] = types[2]; + return EVENT_TYPES; + }, - // apply the changes to the data (if there are changes) - if (changes.length) { - dataset.update(changes); - } + /** + * 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(); + } - event.stopPropagation(); - } - }; + // get the touchlist + if(ev.touches) { + if(eventType == EVENT_MOVE) { + return ev.touches; + } - /** - * Handle selecting/deselecting an item when tapping it - * @param {Event} event - * @private - */ - ItemSet.prototype._onSelectItem = function (event) { - if (!this.options.selectable) return; + var identifiers = []; + var concat = [].concat(Utils.toArray(ev.touches), Utils.toArray(ev.changedTouches)); + var touchList = []; - 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; - } + Utils.each(concat, function(touch) { + if(Utils.inArray(identifiers, touch.identifier) === false) { + touchList.push(touch); + } + identifiers.push(touch.identifier); + }); - var oldSelection = this.getSelection(); + return touchList; + } + + // make fake touchList from mouse position + ev.identifier = 1; + return [ev]; + }, + + /** + * 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; + } + + return { + center: Utils.getCenter(touches), + timeStamp: Date.now(), + target: ev.target, + touches: touches, + eventType: eventType, + pointerType: pointerType, + srcEvent: ev, - var item = ItemSet.itemFromTarget(event); - var selection = item ? [item.id] : []; - this.setSelection(selection); + /** + * 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(); + }, - var newSelection = this.getSelection(); + /** + * stop bubbling the event up to its parents + */ + stopPropagation: function() { + this.srcEvent.stopPropagation(); + }, - // 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 - }); - } + /** + * immediately stop gesture detection + * might be useful after a swipe was detected + * @return {*} + */ + stopDetect: function() { + return Detection.stopDetect(); + } + }; + } }; + /** - * Handle creation and updates of an item on double tap - * @param event - * @private + * @module hammer + * + * @class PointerEvent + * @static */ - ItemSet.prototype._onAddItem = function (event) { - if (!this.options.selectable) return; - if (!this.options.editable.add) return; + var PointerEvent = Hammer.PointerEvent = { + /** + * holds all pointers, by `identifier` + * @property pointers + * @type {Object} + */ + pointers: {}, - var me = this, - snap = this.body.util.snap || null, - item = ItemSet.itemFromTarget(event); + /** + * 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; + }, - if (item) { - // update item + /** + * 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; + } + }, - // 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' - }; + /** + * 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; + } - // 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; - } + var pt = ev.pointerType, + types = {}; - newItem[this.itemsData._fieldId] = util.randomUUID(); + 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]; + }, - var group = ItemSet.groupFromTarget(event); - if (group) { - newItem.group = group.groupId; + /** + * reset the stored pointers + * @method reset + */ + reset: function resetList() { + this.pointers = {}; } - - // 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 hammer + * + * @class Detection + * @static */ - ItemSet.prototype._onMultiSelectItem = function (event) { - if (!this.options.selectable) return; - - var selection, - item = ItemSet.itemFromTarget(event); - - if (item) { - // multi select items - selection = this.getSelection(); // current selection + var Detection = Hammer.detection = { + // contains all registred Hammer.gestures in the correct order + gestures: [], - 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 + // data of the current Hammer.gesture detection session + current: null, - // determine the selection range - selection.push(item.id); - var range = ItemSet._getItemRange(this.itemsData.get(selection, this.itemOptions)); + // the previous Hammer.gesture session data + // is a full clone of the previous gesture.current object + previous: null, - // 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; + // when this becomes true, no gestures are fired + stopped: false, - if (start >= range.min && end <= range.max) { - selection.push(_item.id); // do not use id but item.id, id itself is stringified - } + /** + * 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; } - } - } - 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.stopped = false; - this.body.emitter.emit('select', { - items: this.getSelection() - }); - } - }; + // 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 + }; - /** - * 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 - */ - ItemSet._getItemRange = function(itemsData) { - var max = null; - var min = null; + this.detect(eventData); + }, - itemsData.forEach(function (data) { - if (min == null || data.start < min) { - min = data.start; - } + /** + * Hammer.gesture detection + * @method detect + * @param {Object} eventData + * @return {any} + */ + detect: function detect(eventData) { + if(!this.current || this.stopped) { + return; + } - if (data.end != undefined) { - if (max == null || data.end > max) { - max = data.end; - } - } - else { - if (max == null || data.start > max) { - max = data.start; - } - } - }); + // extend event data with calculations about scale, distance etc + eventData = this.extendEventData(eventData); - return { - min: min, - max: max - } - }; + // hammer instance and instance options + var inst = this.current.inst, + instOptions = inst.options; - /** - * 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; - } + // 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); - return null; - }; + // store as previous event event + if(this.current) { + this.current.lastEvent = eventData; + } - /** - * 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; - } + if(eventData.eventType == EVENT_END) { + this.stopDetect(); + } - return null; - }; + return eventData; + }, - /** - * 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 - */ - ItemSet.itemSetFromTarget = function(event) { - var target = event.target; - while (target) { - if (target.hasOwnProperty('timeline-itemset')) { - return target['timeline-itemset']; - } - target = target.parentNode; - } + /** + * 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); - return null; - }; + // reset the current + this.current = null; + this.stopped = true; + }, - module.exports = ItemSet; + /** + * 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; + 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; + } -/***/ }, -/* 28 */ -/***/ function(module, exports, __webpack_require__) { + if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { + cur.futureCalcEvent = ev; + } - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - var Component = __webpack_require__(20); + 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); - /** - * 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 + cur.lastCalcEvent = cur.futureCalcEvent || ev; + cur.futureCalcEvent = ev; + } + + ev.velocityX = calcData.velocity.x; + ev.velocityY = calcData.velocity.y; + ev.interimAngle = calcData.angle; + ev.interimDirection = calcData.direction; }, - right: { - visible: true, - position: 'top-left' // top/bottom - left,center,right - } - } - this.side = side; - this.options = util.extend({},this.defaultOptions); - this.linegraphOptions = linegraphOptions; - this.svgElements = {}; - this.dom = {}; - this.groups = {}; - this.amountOfGroups = 0; - this._create(); + /** + * 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.setOptions(options); - } + // 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 + }); + }); + } - Legend.prototype = new Component(); + var deltaTime = ev.timeStamp - startEv.timeStamp, + deltaX = ev.center.clientX - startEv.center.clientX, + deltaY = ev.center.clientY - startEv.center.clientY; - Legend.prototype.clear = function() { - this.groups = {}; - this.amountOfGroups = 0; - } + this.getCalculatedData(ev, lastEv.center, deltaTime, deltaX, deltaY); - Legend.prototype.addGroup = function(label, graphOptions) { + Utils.extend(ev, { + startEvent: startEv, - if (!this.groups.hasOwnProperty(label)) { - this.groups[label] = graphOptions; - } - this.amountOfGroups += 1; - }; + deltaTime: deltaTime, + deltaX: deltaX, + deltaY: deltaY, - Legend.prototype.updateGroup = function(label, graphOptions) { - this.groups[label] = graphOptions; - }; + 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) + }); - Legend.prototype.removeGroup = function(label) { - if (this.groups.hasOwnProperty(label)) { - delete this.groups[label]; - this.amountOfGroups -= 1; - } - }; + return ev; + }, - 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"; + /** + * 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; + } - this.dom.textArea = document.createElement('div'); - this.dom.textArea.className = 'legendText'; - this.dom.textArea.style.position = "relative"; - this.dom.textArea.style.top = "0px"; + // extend Hammer default options with the Hammer.gesture options + Utils.extend(Hammer.defaults, options, true); + + // set its index + gesture.index = gesture.index || 1000; + + // add Hammer.gesture to the list + this.gestures.push(gesture); - 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%'; + // 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; + }); - this.dom.frame.appendChild(this.svg); - this.dom.frame.appendChild(this.dom.textArea); + return this.gestures; + } }; + /** - * Hide the component from the DOM + * @module hammer */ - 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 + * 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} */ - Legend.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); - } - }; + Hammer.Instance = function(element, options) { + var self = this; - Legend.prototype.setOptions = function(options) { - var fields = ['enabled','orientation','icons','left','right']; - util.selectiveDeepExtend(fields, this.options, options); - }; + // setup HammerJS window events and register all gestures + // this also sets up the default options + setup(); - 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++; - } - } - } + /** + * @property element + * @type {HTMLElement} + */ + this.element = element; - 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 = ''; - } + /** + * @property enabled + * @type {Boolean} + * @protected + */ + this.enabled = true; - 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 = ''; - } + /** + * 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; + }); - 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(); + this.options = Utils.extend(Utils.extend({}, Hammer.defaults), options || {}); + + // 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); } - 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 + '
'; + /** + * 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); } - } - } - this.dom.textArea.innerHTML = content; - this.dom.textArea.style.lineHeight = ((0.75 * this.options.iconSize) + this.options.iconSpacing) + 'px'; - } + }); + + /** + * keep a list of user event handlers which needs to be removed when calling 'dispose' + * @property eventHandlers + * @type {Array} + */ + this.eventHandlers = []; }; - 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.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; + }, - this.svg.style.width = iconWidth + 5 + iconOffset + 'px'; + /** + * unbind events to the instance + * @method off + * @chainable + * @param {String} gestures + * @param {Function} handler + */ + off: function offEvent(gestures, handler) { + var self = this; - 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; + 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; + }, + + /** + * trigger gesture event + * @method trigger + * @chainable + * @param {String} gesture + * @param {Object} [eventData] + */ + trigger: function triggerEvent(gesture, eventData) { + // optional + if(!eventData) { + eventData = {}; } - } - } - DOMutil.cleanupElements(this.svgElements); - } - }; + // create DOM event + var event = Hammer.DOCUMENT.createEvent('Event'); + event.initEvent(gesture, true, true); + event.gesture = eventData; - module.exports = Legend; + // 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; + }, -/***/ }, -/* 29 */ -/***/ function(module, exports, __webpack_require__) { + /** + * enable of disable hammer.js detection + * @method enable + * @chainable + * @param {Boolean} state + */ + enable: function enable(state) { + this.enabled = state; + return this; + }, - 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__(52); + /** + * dispose this hammer instance + * @method dispose + * @return {Null} + */ + dispose: function dispose() { + var i, eh; - var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items + // undo all changes made by stop_browser_behavior + Utils.toggleBehavior(this.element, this.options.behavior, false); - /** - * This is the constructor of the LineGraph. It requires a Timeline body and options. - * - * @param body - * @param options - * @constructor - */ - function LineGraph(body, options) { - this.id = util.randomUUID(); - this.body = body; + // unbind all custom event handlers + for(i = -1; (eh = this.eventHandlers[++i]);) { + Utils.off(this.element, eh.gesture, eh.handler); + } - 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.eventHandlers = []; + + // unbind the start event listener + Event.off(this.element, EVENT_TYPES[EVENT_START], this.eventStartHandler); + + return null; } - }; + }; - // 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.autoSizeSVG = false; - var me = this; - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + /** + * @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(); + * }); + * ```` + * + * @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 + */ - // 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); - } - }; + /** + * @param {String} name + */ + (function(name) { + var triggered = false; - // 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); - } - }; + function dragGesture(ev, inst) { + var cur = Detection.current; - 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 + // max touches + if(inst.options.dragMaxTouches > 0 && + ev.touches.length > inst.options.dragMaxTouches) { + return; + } - 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.width); - me.redraw.call(me,true); - }); + switch(ev.eventType) { + case EVENT_START: + triggered = false; + break; - // 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'); + 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; + } - } + var startCenter = cur.startEvent.center; - LineGraph.prototype = new Component(); + // 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; - /** - * Create the HTML DOM for the ItemSet - */ - LineGraph.prototype._create = function(){ - var frame = document.createElement('div'); - frame.className = 'LineGraph'; - this.dom.frame = frame; + // recalculate event data using new start point + ev = Detection.extendEventData(ev); + } + } - // 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); + // 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; + } + } - // data axis - this.options.dataAxis.orientation = 'left'; - this.yAxisLeft = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); + // first time, trigger dragstart event + if(!triggered) { + inst.trigger(name + 'start', ev); + triggered = true; + } - this.options.dataAxis.orientation = 'right'; - this.yAxisRight = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); - delete this.options.dataAxis.orientation; + // trigger events + inst.trigger(name, ev); + inst.trigger(name + ev.direction, ev); - // 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); + var isVertical = Utils.isVertical(ev.direction); - this.show(); - }; + // block the browser events + if((inst.options.dragBlockVertical && isVertical) || + (inst.options.dragBlockHorizontal && !isVertical)) { + ev.preventDefault(); + } + break; - /** - * set the options of the LineGraph. the mergeOptions is used for subObjects that have an enabled element. - * @param {object} options - */ - LineGraph.prototype.setOptions = function(options) { - if (options) { - var fields = ['sampling','defaultGroup','graphHeight','yAxisOrientation','style','barChart','dataAxis','sort','groups']; - if (options.graphHeight === undefined && options.height !== undefined && this.body.domProps.centerContainer.height !== undefined) { - this.autoSizeSVG = true; - } - else if (this.body.domProps.centerContainer.height !== undefined && options.graphHeight !== undefined) { - if (parseInt((options.graphHeight + '').replace("px",'')) < this.body.domProps.centerContainer.height) { - this.autoSizeSVG = 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'); + case EVENT_RELEASE: + if(triggered && ev.changedLength <= inst.options.dragMaxTouches) { + inst.trigger(name + 'end', ev); + triggered = false; + } + break; - 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; - } + case EVENT_END: + triggered = false; + break; } - } } - if (this.yAxisLeft) { - if (options.dataAxis !== undefined) { - this.yAxisLeft.setOptions(this.options.dataAxis); - this.yAxisRight.setOptions(this.options.dataAxis); - } - } + 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.legendLeft) { - if (options.legend !== undefined) { - this.legendLeft.setOptions(this.options.legend); - this.legendRight.setOptions(this.options.legend); - } - } + /** + * 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, - if (this.groups.hasOwnProperty(UNGROUPED)) { - this.groups[UNGROUPED].setOptions(options); - } - } + /** + * set 0 for unlimited, but this can conflict with transform + * @property dragMaxTouches + * @type {Number} + * @default 1 + */ + dragMaxTouches: 1, - // this is used to redraw the graph if the visibility of the groups is changed. - if (this.dom.frame) { - this.redraw(true); - } - }; + /** + * 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, - /** - * 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); - } - }; + /** + * same as `dragBlockHorizontal`, but for vertical movement + * @property dragBlockVertical + * @type {Boolean} + * @default false + */ + dragBlockVertical: false, + + /** + * 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, + /** + * 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'); /** - * Show the component in the DOM (when not already visible). - * @return {Boolean} changed + * @module gestures */ - LineGraph.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); - } - }; - - /** - * Set items - * @param {vis.DataSet | null} items + * trigger a simple gesture event, so you can do anything in your handler. + * only usable if you know what your doing... + * + * @class Gesture + * @static */ - 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); - } - this._updateUngrouped(); - //this._updateGraph(); - this.redraw(true); + /** + * @event gesture + * @param {Object} ev + */ + Hammer.gestures.Gesture = { + name: 'gesture', + index: 1337, + handler: function releaseGesture(ev, inst) { + inst.trigger(this.name, ev); + } }; - /** - * Set groups - * @param {vis.DataSet} groups + * @module gestures + */ + /** + * Touch stays at the same place for x time + * + * @class Hold + * @static + */ + /** + * @event hold + * @param {Object} ev */ - LineGraph.prototype.setGroups = function(groups) { - var me = this; - var ids; - // unsubscribe from current dataset - if (this.groupsData) { - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.unsubscribe(event, callback); - }); + /** + * @param {String} name + */ + (function(name) { + var timer; - // remove all drawn groups - ids = this.groupsData.getIds(); - this.groupsData = null; - this._onRemoveGroups(ids); // note: this will cause a redraw - } + function holdGesture(ev, inst) { + var options = inst.options, + current = Detection.current; - // 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'); - } + switch(ev.eventType) { + case EVENT_START: + clearTimeout(timer); - if (this.groupsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.on(event, callback, id); - }); + // set the gesture so we can check in the timeout if it still is + current.name = name; - // draw all ms - ids = this.groupsData.getIds(); - this._onAddGroups(ids); - } - this._onUpdate(); - }; + // 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; + case EVENT_MOVE: + if(ev.distance > options.holdThreshold) { + clearTimeout(timer); + } + break; - /** - * Update the data - * @param [ids] - * @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]); - } + case EVENT_RELEASE: + clearTimeout(timer); + break; + } + } - //this._updateGraph(); - this.redraw(true); - }; - LineGraph.prototype._onAddGroups = function (groupIds) {this._onUpdateGroups(groupIds);}; + Hammer.gestures.Hold = { + name: name, + index: 10, + defaults: { + /** + * @property holdTimeout + * @type {Number} + * @default 500 + */ + holdTimeout: 500, + /** + * movement allowed while holding + * @property holdThreshold + * @type {Number} + * @default 2 + */ + holdThreshold: 2 + }, + handler: holdGesture + }; + })('hold'); /** - * this cleans the group out off the legends and the dataaxis, updates the ungrouped and updates the graph - * @param {Array} groupIds - * @private + * @module gestures */ - 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]]; + /** + * 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); + } } - } - this._updateUngrouped(); - //this._updateGraph(); - this.redraw(true); }; - /** - * update a group object with the group dataset entree + * @module gestures + */ + /** + * 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(); + * }); + * ```` * - * @param group - * @param groupId - * @private + * @class Swipe + * @static */ - 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]); + /** + * @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, + + /** + * @property swipeMaxTouches + * @type {Number} + * @default 1 + */ + swipeMaxTouches: 1, + + /** + * horizontal swipe velocity + * @property swipeVelocityX + * @type {Number} + * @default 0.6 + */ + swipeVelocityX: 0.6, + + /** + * vertical swipe velocity + * @property swipeVelocityY + * @type {Number} + * @default 0.6 + */ + swipeVelocityY: 0.6 + }, + + handler: function swipeGesture(ev, inst) { + if(ev.eventType == EVENT_RELEASE) { + var touches = ev.touches.length, + options = inst.options; + + // max touches + if(touches < options.swipeMinTouches || + touches > options.swipeMaxTouches) { + return; + } + + // 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); + } + } } - } - this.legendLeft.redraw(); - this.legendRight.redraw(); }; - /** - * this updates all groups, it is used when there is an update the the itemset. + * @module gestures + */ + /** + * Single tap and a double tap on a place * - * @private + * @class Tap + * @static */ - LineGraph.prototype._updateAllGroupData = function () { - if (this.itemsData != null) { - var groupsContent = {}; - var groupId; - for (groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - groupsContent[groupId] = []; - } - } - 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); - } - } - for (groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - this.groups[groupId].setItems(groupsContent[groupId]); - } - } - } - }; - - /** - * 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 + * @event tap + * @param {Object} ev + */ + /** + * @event doubletap + * @param {Object} ev */ - 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; - } - } - } - - 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); - } - } - else { - delete this.groups[UNGROUPED]; - this.legendLeft.removeGroup(UNGROUPED); - this.legendRight.removeGroup(UNGROUPED); - this.yAxisLeft.removeGroup(UNGROUPED); - this.yAxisRight.removeGroup(UNGROUPED); - } - - this.legendLeft.redraw(); - this.legendRight.redraw(); - }; - /** - * Redraw the component, mandatory function - * @return {boolean} Returns true if the component is resized + * @param {String} name */ - LineGraph.prototype.redraw = function(forceGraphUpdate) { - var resized = false; + (function(name) { + var hasMoved = false; - this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; - if (this.lastWidth === undefined && this.width || this.lastWidth != this.width) { - resized = 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.width != this.lastWidth); // we get this from the range changed event - this.lastVisibleInterval = visibleInterval; - this.lastWidth = this.width; + function tapGesture(ev, inst) { + var options = inst.options, + current = Detection.current, + prev = Detection.previous, + sincePrev, + didDoubleTap; - // calculate actual size and position - this.width = this.dom.frame.offsetWidth; + switch(ev.eventType) { + case EVENT_START: + hasMoved = false; + break; - // 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.width); - this.svg.style.left = util.option.asSize(-this.width); - } + case EVENT_MOVE: + hasMoved = hasMoved || (ev.distance > options.tapMaxDistance); + break; - if (this.abortedGraphUpdate == true || forceGraphUpdate == true) { - resized = resized || this._updateGraph(); - } - 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.width != 0) { - var rangePerPixelInv = this.width/range; - var xOffset = offset * rangePerPixelInv; - this.svg.style.left = (-this.width - xOffset) + 'px'; - } - } + 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; - } + // check if double tap + if(prev && prev.name == name && + (sincePrev && sincePrev < options.doubleTapInterval) && + ev.distance < options.doubleTapDistance) { + inst.trigger('doubletap', ev); + didDoubleTap = true; + } - this.legendLeft.redraw(); - this.legendRight.redraw(); + // do a single tap + if(!didDoubleTap || options.tapAlways) { + current.name = name; + inst.trigger(current.name, ev); + } + } + break; + } + } - return resized; - }; + 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, - /** - * Update and redraw the graph. - * - */ - LineGraph.prototype._updateGraph = function () { - // reset the svg elements - DOMutil.prepareElements(this.svgElements); - if (this.width != 0 && this.itemsData != null) { - var group, i; - var preprocessedGroupData = {}; - var processedGroupData = {}; - var groupRanges = {}; - var changeCalled = false; + /** + * always trigger the `tap` event, even while double-tapping + * @property tapAlways + * @type {Boolean} + * @default true + */ + tapAlways: true, - // update the height of the graph on each redraw of the graph. - if (this.autoSizeSVG == 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.autoSizeSVG = false; - } + /** + * max distance between two taps + * @property doubleTapDistance + * @type {Number} + * @default 20 + */ + doubleTapDistance: 20, - // 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); + /** + * max time between two taps + * @property doubleTapInterval + * @type {Number} + * @default 300 + */ + doubleTapInterval: 300 } - } - } - 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); - - // apply sampling, if disabled, it will pass through this function. - this._applySampling(groupIds, groupsData); - - // we transform the X coordinates to detect collisions - for (i = 0; i < groupIds.length; i++) { - preprocessedGroupData[groupIds[i]] = this._convertXcoordinates(groupsData[groupIds[i]]); - } + }; + })('tap'); - // now all needed data has been collected we start the processing. - this._getYRanges(groupIds, preprocessedGroupData, groupRanges); + /** + * @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, - // 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.") + /** + * 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.COUNTER = 0; - this.abortedGraphUpdate = false; - // 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); + if(inst.options.preventDefault) { + ev.preventDefault(); } - // 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); - } + if(ev.eventType == EVENT_TOUCH) { + inst.trigger('touch', ev); } - BarGraphFunctions.draw(groupIds, processedGroupData, this.framework); - } } - } - - // cleanup unused svg elements - DOMutil.cleanupElements(this.svgElements); - return false; }; - /** - * 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. + * @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. * - * @param {array} groupIds - * @param {object} groupsData - * @param {date} minDate - * @param {date} maxDate - * @private + * @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 */ - 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); - } - } - } - } - } - } - }; - /** - * - * @param groupIds - * @param groupsData - * @private + * @param {String} name */ - 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; + (function(name) { + var triggered = false; - // 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))); + function transformGesture(ev, inst) { + switch(ev.eventType) { + case EVENT_START: + triggered = false; + break; - var sampledData = []; - for (var j = 0; j < amountOfPoints; j += increment) { - sampledData.push(dataContainer[j]); + case EVENT_MOVE: + // at least multitouch + if(ev.touches.length < 2) { + return; + } - } - groupsData[groupIds[i]] = sampledData; + var scaleThreshold = Math.abs(1 - ev.scale); + var rotationThreshold = Math.abs(ev.rotation); + + // 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; + } + + // we are transforming! + Detection.current.name = name; + + // 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; } - } } - } - }; + 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, + + /** + * rotation in degrees + * @property transformMinRotation + * @type {Number} + * @default 1 + */ + transformMinRotation: 1 + }, + + handler: transformGesture + }; + })('transform'); /** - * - * - * @param {array} groupIds - * @param {object} groupsData - * @param {object} groupRanges | this is being filled here - * @private + * @module hammer */ - 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'); - } - }; + // 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); + +/***/ }, +/* 21 */ +/***/ function(module, exports, __webpack_require__) { + var util = __webpack_require__(1); + var hammerUtil = __webpack_require__(22); + var moment = __webpack_require__(2); + var Component = __webpack_require__(23); + var DateUtil = __webpack_require__(24); /** - * 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 + * @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 */ - LineGraph.prototype._updateYAxis = function (groupIds, groupRanges) { - var changeCalled = 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 == 'left') { - yAxisLeftUsed = true; - minLeft = 0; - maxLeft = 0; - } - else { - yAxisRightUsed = true; - minRight = 0; - maxRight = 0; - } - } + 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 - // 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.body = body; + this.deltaDifference = 0; + this.scaleOffset = 0; + this.startToFront = false; + this.endToFront = true; - if (groupRanges[groupIds[i]].yAxisOrientation == 'left') { - 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; - } - } - } - } + // 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); - if (yAxisLeftUsed == true) { - this.yAxisLeft.setRange(minLeft, maxLeft); - } - if (yAxisRightUsed == true) { - this.yAxisRight.setRange(minRight, maxRight); - } - } - changeCalled = this._toggleAxisVisiblity(yAxisLeftUsed , this.yAxisLeft) || changeCalled; - changeCalled = this._toggleAxisVisiblity(yAxisRightUsed, this.yAxisRight) || changeCalled; + this.props = { + touch: {} + }; + this.animateTimer = null; - if (yAxisRightUsed == true && yAxisLeftUsed == true) { - this.yAxisLeft.drawIcons = true; - this.yAxisRight.drawIcons = true; - } - else { - this.yAxisLeft.drawIcons = false; - this.yAxisRight.drawIcons = false; - } + // 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.yAxisRight.master = !yAxisLeftUsed; + // ignore dragging when holding + this.body.emitter.on('hold', this._onHold.bind(this)); - if (this.yAxisRight.master == false) { - if (yAxisRightUsed == true) {this.yAxisLeft.lineOffset = this.yAxisRight.width;} - else {this.yAxisLeft.lineOffset = 0;} + // mouse wheel for zooming + this.body.emitter.on('mousewheel', this._onMouseWheel.bind(this)); + this.body.emitter.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF - changeCalled = this.yAxisLeft.redraw() || changeCalled; - this.yAxisRight.stepPixelsForced = this.yAxisLeft.stepPixels; - this.yAxisRight.zeroCrossing = this.yAxisLeft.zeroCrossing; - changeCalled = this.yAxisRight.redraw() || changeCalled; - } - else { - changeCalled = this.yAxisRight.redraw() || changeCalled; - } + // pinch to zoom + this.body.emitter.on('touch', this._onTouch.bind(this)); + this.body.emitter.on('pinch', this._onPinch.bind(this)); - // 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); - } + this.setOptions(options); + } - return changeCalled; + 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 + */ + 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); + + if ('start' in options || 'end' in options) { + // apply a new range. both start and end are optional + this.setRange(options.start, options.end); + } + } }; + /** + * Test whether direction has a valid value + * @param {String} direction 'horizontal' or 'vertical' + */ + function validateDirection (direction) { + if (direction != 'horizontal' && direction != 'vertical') { + throw new TypeError('Unknown direction "' + direction + '". ' + + 'Choose "horizontal" or "vertical".'); + } + } /** - * This shows or hides the Y axis if needed. If there is a change, the changed event is emitted by the updateYAxis function + * 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} axisUsed - * @returns {boolean} - * @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.setRange = function(start, end, animate) { + 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; + + 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); + + 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)}); + } + + if (done) { + if (anyChanged) { + me.body.emitter.emit('rangechanged', {start: new Date(me.start), end: new Date(me.end)}); + } + } + 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); + } + } } + + return next(); } else { - if (!axis.dom.frame.parentNode && axis.hidden == true) { - axis.show(); - changed = true; + 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)}; + this.body.emitter.emit('rangechange', params); + this.body.emitter.emit('rangechanged', params); } } - 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} + * Stop an animation * @private */ - LineGraph.prototype._convertXcoordinates = function (datapoints) { - var extractedData = []; - var xValue, yValue; - var toScreen = this.body.util.toScreen; - - for (var i = 0; i < datapoints.length; i++) { - xValue = toScreen(datapoints[i].x) + this.width; - yValue = datapoints[i].y; - extractedData.push({x: xValue, y: yValue}); + Range.prototype._cancelAnimation = function () { + if (this.animateTimer) { + clearTimeout(this.animateTimer); + this.animateTimer = null; } - - return extractedData; }; - /** - * 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} + * 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._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._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; - for (var i = 0; i < datapoints.length; i++) { - xValue = toScreen(datapoints[i].x) + this.width; - yValue = Math.round(axis.convertValue(datapoints[i].y)); - extractedData.push({x: xValue, y: yValue}); + // 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 + '"'); } - group.setZeroPosition(Math.min(svgHeight, axis.convertValue(0))); - - return extractedData; - }; - - - module.exports = LineGraph; - - -/***/ }, -/* 30 */ -/***/ function(module, exports, __webpack_require__) { + // prevent start < end + if (newEnd < newStart) { + newEnd = newStart; + } - 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); + // prevent start < min + if (min !== null) { + if (newStart < min) { + diff = (min - newStart); + newStart += diff; + newEnd += diff; - /** - * 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 - */ - function TimeAxis (body, options) { - this.dom = { - foreground: null, - majorLines: [], - majorTexts: [], - minorLines: [], - minorTexts: [], - redundant: { - majorLines: [], - majorTexts: [], - minorLines: [], - minorTexts: [] + // prevent end > max + if (max != null) { + if (newEnd > max) { + newEnd = max; + } + } } - }; - this.props = { - range: { - start: 0, - end: 0, - minimumStep: 0 - }, - lineTop: 0 - }; - - 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); - - this.body = body; - - // create the HTML DOM - this._create(); + } - this.setOptions(options); - } + // prevent end > max + if (max !== null) { + if (newEnd > max) { + diff = (newEnd - max); + newStart -= diff; + newEnd -= diff; - TimeAxis.prototype = new Component(); + // prevent start < min + if (min != null) { + if (newStart < min) { + newStart = min; + } + } + } + } - /** - * 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); + // 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; + } + } + } - // 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); + // prevent (end-start) > zoomMax + if (this.options.zoomMax !== null) { + var zoomMax = parseFloat(this.options.zoomMax); + if (zoomMax < 0) { + zoomMax = 0; + } + 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 { - moment.lang(options.locale); + // 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; }; /** - * Create the HTML DOM for the TimeAxis + * Retrieve the current range. + * @return {Object} An object with start and end properties */ - TimeAxis.prototype._create = function() { - this.dom.foreground = document.createElement('div'); - this.dom.background = document.createElement('div'); + Range.prototype.getRange = function() { + return { + start: this.start, + end: this.end + }; + }; - this.dom.foreground.className = 'timeaxis foreground'; - this.dom.background.className = 'timeaxis background'; + /** + * Calculate the conversion offset and scale for current range, based on + * the provided width + * @param {Number} width + * @returns {{offset: number, scale: number}} conversion + */ + Range.prototype.conversion = function (width, totalHidden) { + return Range.conversion(this.start, this.end, width, totalHidden); }; /** - * Destroy the TimeAxis + * 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 */ - TimeAxis.prototype.destroy = function() { - // remove from DOM - if (this.dom.foreground.parentNode) { - this.dom.foreground.parentNode.removeChild(this.dom.foreground); + Range.conversion = function (start, end, width, totalHidden) { + if (totalHidden === undefined) { + totalHidden = 0; } - if (this.dom.background.parentNode) { - this.dom.background.parentNode.removeChild(this.dom.background); + if (width != 0 && (end - start != 0)) { + return { + offset: start, + scale: width / (end - start - totalHidden) + } + } + else { + return { + offset: 0, + scale: 1 + }; } - - this.body = null; }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Start dragging horizontally or vertically + * @param {Event} event + * @private */ - TimeAxis.prototype.redraw = function () { - var options = this.options; - var props = this.props; - var foreground = this.dom.foreground; - var background = this.dom.background; + Range.prototype._onDragStart = function(event) { + this.deltaDifference = 0; + this.previousDelta = 0; + // only allow dragging when configured as movable + if (!this.options.moveable) return; - // 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); + // 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; - // calculate character width and height - this._calculateCharSize(); + this.props.touch.start = this.start; + this.props.touch.end = this.end; + this.props.touch.dragging = true; - // 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; + if (this.body.dom.root) { + this.body.dom.root.style.cursor = 'move'; + } + }; - // 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; + /** + * Perform dragging operation + * @param {Event} event + * @private + */ + 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; - 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 direction = this.options.direction; + validateDirection(direction); - // 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); + var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY; + delta -= this.deltaDifference; + var interval = (this.props.touch.end - this.props.touch.start); - foreground.style.height = this.props.height + 'px'; + // normalize dragging speed if cutout is in between. + var duration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + interval -= duration; - this._repaintLabels(); + 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; - // 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) + + // 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; } - return this._isResized() || parentChanged; + 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) + }); }; /** - * Repaint major and minor text labels and vertical grid lines + * Stop dragging operation + * @param {event} event * @private */ - TimeAxis.prototype._repaintLabels = function () { - var orientation = this.options.orientation; + Range.prototype._onDragEnd = function (event) { + // only allow dragging when configured as movable + if (!this.options.moveable) return; - // 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(); + // 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; - var step = new TimeStep(new Date(start), new Date(end), minimumStep, this.body.hiddenDates); - if (this.options.format) { - step.setFormat(this.options.format); + this.props.touch.dragging = false; + if (this.body.dom.root) { + this.body.dom.root.style.cursor = 'auto'; } - 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.majorLines = dom.majorLines; - dom.redundant.majorTexts = dom.majorTexts; - dom.redundant.minorLines = dom.minorLines; - dom.redundant.minorTexts = dom.minorTexts; - dom.majorLines = []; - dom.majorTexts = []; - dom.minorLines = []; - dom.minorTexts = []; - step.first(); - var xFirstMajorLabel = undefined; - var max = 0; - while (step.hasNext() && max < 1000) { - max++; - var cur = step.getCurrent(); - var x = this.body.util.toScreen(cur); - var isMajor = step.isMajor(); + // fire a rangechanged event + this.body.emitter.emit('rangechanged', { + start: new Date(this.start), + end: new Date(this.end) + }); + }; + /** + * Event handler for mouse wheel event, used to zoom + * Code from http://adomas.org/javascript-mouse-wheel/ + * @param {Event} event + * @private + */ + Range.prototype._onMouseWheel = function(event) { + // only allow zooming when configured as zoomable and moveable + if (!(this.options.zoomable && this.options.moveable)) return; - // TODO: lines must have a width, such that we can create css backgrounds + // 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.options.showMinorLabels) { - this._repaintMinorText(x, step.getLabelMinor(), orientation); - } + // 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 - if (isMajor && this.options.showMajorLabels) { - if (x > 0) { - if (xFirstMajorLabel == undefined) { - xFirstMajorLabel = x; - } - this._repaintMajorText(x, step.getLabelMajor(), orientation); - } - this._repaintMajorLine(x, orientation); + // 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 { - this._repaintMinorLine(x, orientation); + scale = 1 / (1 + (delta / 5)) ; } - step.next(); - } - - // 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 + // 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); - if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { - this._repaintMajorText(0, leftText, orientation); - } + this.zoom(scale, pointerDate, delta); } - // 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); - } - } - }); + // Prevent default actions caused by mouse wheel + // (else the page and timeline both zoom and scroll) + event.preventDefault(); }; /** - * Create a minor label for the axis at position x - * @param {Number} x - * @param {String} text - * @param {String} orientation "top" or "bottom" (default) + * Start of a touch gesture * @private */ - TimeAxis.prototype._repaintMinorText = function (x, text, orientation) { - // 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); - label.className = 'text minor'; - this.dom.foreground.appendChild(label); - } - 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.title = title; // TODO: this is a heavy operation + 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; }; /** - * Create a Major label for the axis at position x - * @param {Number} x - * @param {String} text - * @param {String} orientation "top" or "bottom" (default) + * On start of a hold gesture * @private */ - TimeAxis.prototype._repaintMajorText = function (x, text, orientation) { - // reuse redundant label - var label = this.dom.redundant.majorTexts.shift(); - - if (!label) { - // create label - var content = document.createTextNode(text); - label = document.createElement('div'); - label.className = 'text major'; - label.appendChild(content); - this.dom.foreground.appendChild(label); - } - this.dom.majorTexts.push(label); - - label.childNodes[0].nodeValue = text; - //label.title = title; // TODO: this is a heavy operation - - label.style.top = (orientation == 'top') ? '0' : (this.props.minorLabelHeight + 'px'); - label.style.left = x + 'px'; + Range.prototype._onHold = function () { + this.props.touch.allowDragging = false; }; /** - * Create a minor line for the axis at position x - * @param {Number} x - * @param {String} orientation "top" or "bottom" (default) + * Handle pinch event + * @param {Event} event * @private */ - TimeAxis.prototype._repaintMinorLine = function (x, orientation) { - // reuse redundant line - var line = this.dom.redundant.minorLines.shift(); + Range.prototype._onPinch = function (event) { + // only allow zooming when configured as zoomable and moveable + if (!(this.options.zoomable && this.options.moveable)) return; - if (!line) { - // create vertical line - line = document.createElement('div'); - line.className = 'grid vertical minor'; - this.dom.background.appendChild(line); - } - this.dom.minorLines.push(line); + this.props.touch.allowDragging = false; - var props = this.props; - if (orientation == 'top') { - line.style.top = props.majorLabelHeight + 'px'; - } - else { - line.style.top = this.body.domProps.top.height + 'px'; + if (event.gesture.touches.length > 1) { + if (!this.props.touch.center) { + this.props.touch.center = getPointer(event.gesture.center, this.body.dom.center); + } + + var scale = 1 / (event.gesture.scale + this.scaleOffset); + var centerDate = this._pointerToDate(this.props.touch.center); + + var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, centerDate); + var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + + // 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; + + // 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 + + 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); + + this.startToFront = false; // revert to default + this.endToFront = true; // revert to default } - line.style.height = props.minorLineHeight + 'px'; - line.style.left = (x - props.minorLineWidth / 2) + 'px'; }; /** - * Create a Major line for the axis at position x - * @param {Number} x - * @param {String} orientation "top" or "bottom" (default) + * Helper function to calculate the center date for zooming + * @param {{x: Number, y: Number}} pointer + * @return {number} date * @private */ - TimeAxis.prototype._repaintMajorLine = function (x, orientation) { - // reuse redundant line - var line = this.dom.redundant.majorLines.shift(); + Range.prototype._pointerToDate = function (pointer) { + var conversion; + var direction = this.options.direction; - if (!line) { - // create vertical line - line = document.createElement('DIV'); - line.className = 'grid vertical major'; - this.dom.background.appendChild(line); - } - this.dom.majorLines.push(line); + validateDirection(direction); - var props = this.props; - if (orientation == 'top') { - line.style.top = '0'; + if (direction == 'horizontal') { + return this.body.util.toTime(pointer.x).valueOf(); } else { - line.style.top = this.body.domProps.top.height + 'px'; + var height = this.body.domProps.center.height; + conversion = this.conversion(height); + return pointer.y / conversion.scale + conversion.offset; } - line.style.left = (x - props.majorLineWidth / 2) + 'px'; - line.style.height = props.majorLineHeight + 'px'; }; /** - * 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. + * 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 */ - 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'; + function getPointer (touch, element) { + return { + x: touch.pageX - util.getAbsoluteLeft(element), + y: touch.pageY - util.getAbsoluteTop(element) + }; + } - this.dom.measureCharMinor.appendChild(document.createTextNode('0')); - this.dom.foreground.appendChild(this.dom.measureCharMinor); + /** + * 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; } - 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'; + var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); + var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; - this.dom.measureCharMajor.appendChild(document.createTextNode('0')); - this.dom.foreground.appendChild(this.dom.measureCharMajor); + // 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.props.majorCharHeight = this.dom.measureCharMajor.clientHeight; - this.props.majorCharWidth = this.dom.measureCharMajor.clientWidth; + + this.setRange(newStart, newEnd); + + this.startToFront = false; // revert to default + this.endToFront = true; // revert to default + }; + + + + /** + * 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); + + // apply new values + var newStart = this.start + diff * delta; + var newEnd = this.end + diff * delta; + + // TODO: reckon with min and max range + + this.start = newStart; + this.end = newEnd; }; /** - * 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 + * Move the range to a new center point + * @param {Number} moveTo New center point of the range */ - TimeAxis.prototype.snap = function(date) { - return this.step.snap(date); + Range.prototype.moveTo = function(moveTo) { + var center = (this.start + this.end) / 2; + + var diff = center - moveTo; + + // calculate new start and end + var newStart = this.start - diff; + var newEnd = this.end - diff; + + this.setRange(newStart, newEnd); }; - module.exports = TimeAxis; + module.exports = Range; /***/ }, -/* 31 */ +/* 22 */ /***/ function(module, exports, __webpack_require__) { - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); + var Hammer = __webpack_require__(19); /** - * @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 + * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent + * @param {Element} element + * @param {Event} event */ - function Item (data, conversion, options) { - this.id = null; - this.parent = null; - this.data = data; - this.dom = null; - this.conversion = conversion || {}; - this.options = options || {}; + exports.fakeGesture = function(element, event) { + var eventType = null; - this.selected = false; - this.displayed = false; - this.dirty = true; + // for hammer.js 1.0.5 + // var gesture = Hammer.event.collectEventData(this, eventType, event); - this.top = null; - this.left = null; - this.width = null; - this.height = null; - } + // for hammer.js 1.0.6+ + var touches = Hammer.event.getTouchList(event, eventType); + var gesture = Hammer.event.collectEventData(this, eventType, touches, event); - Item.prototype.stack = true; + // 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; + }; + + +/***/ }, +/* 23 */ +/***/ function(module, exports, __webpack_require__) { /** - * Select current item + * Prototype for visual components + * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body] + * @param {Object} [options] */ - Item.prototype.select = function() { - this.selected = true; - this.dirty = true; - if (this.displayed) this.redraw(); - }; + function Component (body, options) { + this.options = null; + this.props = null; + } /** - * Unselect current item + * Set options for the component. The new options will be merged into the + * current options. + * @param {Object} options */ - Item.prototype.unselect = function() { - this.selected = false; - this.dirty = true; - if (this.displayed) this.redraw(); + Component.prototype.setOptions = function(options) { + if (options) { + util.extend(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 + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - Item.prototype.setData = function(data) { - this.data = data; - this.dirty = true; - if (this.displayed) this.redraw(); + Component.prototype.redraw = function() { + // should be implemented by the component + return false; }; /** - * Set a parent for the item - * @param {ItemSet | Group} parent + * Destroy the component. Cleanup DOM and event listeners */ - Item.prototype.setParent = function(parent) { - if (this.displayed) { - this.hide(); - this.parent = parent; - if (this.parent) { - this.show(); - } - } - else { - this.parent = parent; - } + Component.prototype.destroy = function() { + // should be implemented by the component }; /** - * 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 + * Test whether the component is resized since the last time _isResized() was + * called. + * @return {Boolean} Returns true if the component is resized + * @protected */ - Item.prototype.isVisible = function(range) { - // Should be implemented by Item implementations - return false; + 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; + + return resized; }; + module.exports = Component; + + +/***/ }, +/* 24 */ +/***/ function(module, exports, __webpack_require__) { + /** - * Show the Item in the DOM (when not already visible) - * @return {Boolean} changed + * Created by Alex on 10/3/2014. */ - Item.prototype.show = function() { - return false; - }; + var moment = __webpack_require__(2); + /** - * Hide the Item from the DOM (when visible) - * @return {Boolean} changed + * used in Core to convert the options into a volatile variable + * + * @param Core */ - Item.prototype.hide = function() { - return false; + 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 + } + } }; + /** - * Repaint the item + * create new entrees for the repeating hidden dates + * @param body + * @param hiddenDates */ - Item.prototype.redraw = function() { - // should be implemented by the item - }; + 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; + + 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); + + 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); + } + + var duration = endDate - startDate; + if (duration >= 4 * pixelTime) { + + 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'); + + endDate.dayOfYear(start.dayOfYear()); + endDate.year(start.year()); + endDate.subtract(7 - offset,'days'); + + runUntil.add(1, 'weeks'); + break; + case "weekly": + var dayOffset = endDate.diff(startDate,'days') + var day = startDate.day(); + + // set the start date to the range.start + startDate.date(start.date()); + startDate.month(start.month()); + startDate.year(start.year()); + endDate = startDate.clone(); + + // force + startDate.day(day); + endDate.day(day); + endDate.add(dayOffset,'days'); + + startDate.subtract(1,'weeks'); + endDate.subtract(1,'weeks'); + + 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'); + + endDate.month(start.month()); + endDate.year(start.year()); + endDate.subtract(1,'months'); + endDate.add(offset,'months'); + + 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'); + + 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); + } + } + + } + /** - * Reposition the Item horizontally + * remove duplicates from the hidden dates list. Duplicates are evil. They mess everything up. + * Scales with N^2 + * @param body */ - Item.prototype.repositionX = function() { - // should be implemented by the item - }; + 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; + } + } + } + } + + for (var i = 0; i < hiddenDates.length; i++) { + if (hiddenDates[i].remove !== true) { + safeDates.push(hiddenDates[i]); + } + } + + 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); + } + } /** - * Reposition the Item vertically + * Used in TimeStep to avoid the hidden times. + * @param timeStep + * @param previousTime */ - Item.prototype.repositionY = function() { - // should be implemented by the item + 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; + } + } + + 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(); + // } + //}; + /** - * Repaint a delete button on the top right of the item when the item is selected - * @param {HTMLElement} anchor - * @protected + * replaces the Core toScreen methods + * @param Core + * @param time + * @param width + * @returns {number} */ - Item.prototype._repaintDeleteButton = function (anchor) { - if (this.selected && this.options.editable.remove && !this.dom.deleteButton) { - // create and show button - var me = this; + 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 deleteButton = document.createElement('div'); - deleteButton.className = 'delete'; - deleteButton.title = 'Delete this item'; + var duration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); + time = exports.correctTimeForHidden(Core.body.hiddenDates, Core.range, time); - Hammer(deleteButton, { - preventDefault: true - }).on('tap', function (event) { - me.parent.removeFromDataSet(me); - event.stopPropagation(); - }); + var conversion = Core.range.conversion(width, duration); + return (time.valueOf() - conversion.offset) * conversion.scale; + } + }; - anchor.appendChild(deleteButton); - this.dom.deleteButton = deleteButton; + + /** + * Replaces the core toTime methods + * @param body + * @param range + * @param x + * @param width + * @returns {Date} + */ + 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 if (!this.selected && this.dom.deleteButton) { - // remove button - if (this.dom.deleteButton.parentNode) { - this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton); + 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; + } + }; + + + /** + * 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; } - this.dom.deleteButton = null; } + return duration; }; + /** - * Set HTML contents for the item - * @param {Element} element HTML element to fill with the contents - * @private + * Support function + * @param hiddenDates + * @param range + * @param time + * @returns {{duration: number, time: *, offset: number}} */ - 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 { - content = this.data.content; - } + exports.correctTimeForHidden = function(hiddenDates, range, time) { + time = moment(time).toDate().valueOf(); + time -= exports.getHiddenDurationBefore(hiddenDates,range,time); + return time; + }; - 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); + 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); } } - - this.content = content; } - }; + return timeOffset; + } /** - * Set HTML contents for the item - * @param {Element} element HTML element to fill with the contents - * @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}} */ - Item.prototype._updateTitle = function (element) { - if (this.data.title != null) { - element.title = this.data.title || ''; - } - else { - element.removeAttribute('title'); + 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; + } + } } + + return hiddenDuration; }; + + /** - * 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 + * 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 {*} */ - Item.prototype._updateDataAttributes = function(element) { - if (this.options.dataAttributes && this.options.dataAttributes.length > 0) { - var attributes = []; - - if (Array.isArray(this.options.dataAttributes)) { - attributes = this.options.dataAttributes; - } - else if (this.options.dataAttributes == 'all') { - attributes = Object.keys(this.data); + 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 { - return; - } - - 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); + if (correctionEnabled == true) { + return isHidden.endDate + (time - isHidden.startDate) + 1; } else { - element.removeAttribute('data-' + name); + return isHidden.endDate + 1; } } } - }; - - /** - * Update custom styles of the element - * @param element - * @private - */ - Item.prototype._updateStyle = function(element) { - // remove old styles - if (this.style) { - util.removeCssText(element, this.style); - this.style = null; - } - - // append new styles - if (this.data.style) { - util.addCssText(element, this.data.style); - this.style = this.data.style; + else { + return time; } - }; - 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 + * Check if a time is hidden + * + * @param time + * @param hiddenDates + * @returns {{hidden: boolean, startDate: Window.start, endDate: *}} */ - // 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 + exports.isHidden = function(time, hiddenDates) { + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; - // 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); + if (time >= startDate && time < endDate) { // if the start is entering a hidden zone + return {hidden: true, startDate: startDate, endDate: endDate}; + break; } } - - Item.call(this, data, conversion, options); - - this.emptyContent = false; + return {hidden: false, startDate: startDate, endDate: endDate}; } - BackgroundItem.prototype = new Item (null, null, null); +/***/ }, +/* 25 */ +/***/ function(module, exports, __webpack_require__) { - BackgroundItem.prototype.baseClassName = 'item background'; - BackgroundItem.prototype.stack = false; + 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); /** - * 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 + * 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 */ - BackgroundItem.prototype.isVisible = function(range) { - // determine visibility - return (this.data.start < range.end) && (this.data.end > range.start); - }; + function Core () {} + + // turn Core into an event emitter + Emitter(Core.prototype); /** - * Repaint the item + * 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 */ - BackgroundItem.prototype.redraw = function() { - 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() + Core.prototype._create = function (container) { + this.dom = {}; - // contents box - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); + 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'); - // Note: we do NOT attach this item as attribute to the DOM, - // such that background items cannot be selected - //dom.box['timeline-item'] = this; + 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'; - this.dirty = true; - } + 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); - // append DOM to parent DOM - if (!this.parent) { - throw new Error('Cannot redraw item: no parent attached'); - } - 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; + this.dom.centerContainer.appendChild(this.dom.center); + this.dom.leftContainer.appendChild(this.dom.left); + this.dom.rightContainer.appendChild(this.dom.right); - // 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); + 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 class - var className = (this.data.className ? (' ' + this.data.className) : '') + - (this.selected ? ' selected' : ''); - dom.box.className = this.baseClassName + className; + 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)); - // determine from css whether this box has overflow - this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; + 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(); + } + }); - // 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 + // 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.dirty = false; - } - }; + 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; + }); - /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. - */ - BackgroundItem.prototype.show = RangeItem.prototype.show; + // 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 - /** - * Hide the item from the DOM (when visible) - * @return {Boolean} changed - */ - BackgroundItem.prototype.hide = RangeItem.prototype.hide; + this.redrawCount = 0; - /** - * Reposition the item horizontally - * @Override - */ - BackgroundItem.prototype.repositionX = RangeItem.prototype.repositionX; + // attach the root panel to the provided container + if (!container) throw new Error('No container provided'); + container.appendChild(this.dom.root); + }; /** - * Reposition the item vertically - * @Override + * 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 */ - 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; - } - } - } + 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); - // 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 = ''; - } - } - // 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'; + if ('hiddenDates' in this.options) { + DateUtil.convertHiddenOptions(this.body, this.options.hiddenDates); } - 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 = ''; + + if ('clickToUse' in options) { + if (options.clickToUse) { + this.activator = new Activator(this.dom.root); + } + else { + if (this.activator) { + this.activator.destroy(); + delete this.activator; + } + } } + + // enable/disable autoResize + this._initAutoResize(); } - this.dom.box.style.height = height + 'px'; - }; - module.exports = BackgroundItem; + // 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.'); + } -/***/ }, -/* 33 */ -/***/ function(module, exports, __webpack_require__) { + // redraw everything + this.redraw(); + }; - var Item = __webpack_require__(31); - var util = __webpack_require__(1); + /** + * Returns true when the Timeline is active. + * @returns {boolean} + */ + Core.prototype.isActive = function () { + return !this.activator || this.activator.active; + }; /** - * @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 + * Destroy the Core, clean up all DOM elements and event listeners. */ - function BoxItem (data, conversion, options) { - this.props = { - dot: { - width: 0, - height: 0 - }, - line: { - width: 0, - height: 0 - } - }; + Core.prototype.destroy = function () { + // unbind datasets + this.clear(); - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data); + // 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; - Item.call(this, data, conversion, options); - } + // give all components the opportunity to cleanup + this.components.forEach(function (component) { + component.destroy(); + }); + + this.body = null; + }; - 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 + * Set a custom time bar + * @param {Date} time */ - 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); + 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); }; /** - * Repaint the item + * Retrieve the current custom time. + * @return {Date} customTime */ - BoxItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; + Core.prototype.getCustomTime = function() { + if (!this.customTime) { + throw new Error('Cannot get custom time: Custom time bar is not enabled'); + } - // create main box - dom.box = document.createElement('DIV'); + return this.customTime.getCustomTime(); + }; - // 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'; + /** + * 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() || []; + }; - // 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; + /** + * 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} + */ + Core.prototype.clear = function(what) { + // clear items + if (!what || what.items) { + this.setItems(null); } - // 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); + // clear groups + if (!what || what.groups) { + this.setGroups(null); } - 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; + // clear options of timeline and of each of the components + if (!what || what.options) { + this.components.forEach(function (component) { + component.setOptions(component.defaultOptions); + }); - this.dirty = false; + this.setOptions(this.defaultOptions); // this will also do a redraw } - - this._repaintDeleteButton(dom.box); }; /** - * Show the item in the DOM (when not already displayed). The items DOM will - * be created when needed. + * 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. */ - BoxItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); + 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); }; /** - * Hide the item from the DOM (when visible) + * Calculate the data range of the items and applies a 5% window around it. + * @returns {{start: Date | null, end: Date | null}} + * @protected */ - BoxItem.prototype.hide = function() { - if (this.displayed) { - var dom = this.dom; - - 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); + Core.prototype._getDataRange = function() { + // apply the data range as range + var dataRange = this.getItemRange(); - this.top = null; - this.left = null; + // 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); + } - this.displayed = false; + return { + start: start, + end: end } }; /** - * Reposition the item horizontally - * @Override + * 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. */ - 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.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); } else { - // default or 'center' - this.left = start - this.width / 2; + this.range.setRange(start, end, animate); } - - // 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 + * 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. */ - 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'; + Core.prototype.moveTo = function(time, options) { + var interval = this.range.end - this.range.start; + var t = util.convert(time, 'Date').valueOf(); - 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; + var start = t - interval / 2; + var end = t + interval / 2; + var animate = (options && options.animate !== undefined) ? options.animate : true; - box.style.top = (this.parent.height - this.top - this.height || 0) + 'px'; - line.style.top = (itemSetHeight - lineHeight) + 'px'; - line.style.bottom = '0'; - } + this.range.setRange(start, end, animate); + }; - dot.style.top = (-this.props.dot.height / 2) + 'px'; + /** + * Get the visible window + * @return {{start: Date, end: Date}} Visible range + */ + Core.prototype.getWindow = function() { + var range = this.range.getRange(); + return { + start: new Date(range.start), + end: new Date(range.end) + }; }; - module.exports = BoxItem; + /** + * 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; + if (!dom) return; // when destroyed -/***/ }, -/* 34 */ -/***/ function(module, exports, __webpack_require__) { + DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); - var Item = __webpack_require__(31); + // 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 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 - */ - function PointItem (data, conversion, options) { - this.props = { - dot: { - top: 0, - width: 0, - height: 0 - }, - content: { - height: 0, - marginLeft: 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, ''); - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data); - } + // 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.root.clientHeight === 0) { + borderRootWidth = borderRootHeight; } - Item.call(this, data, conversion, options); - } + // 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; - PointItem.prototype = new Item (null, null, null); + // TODO: compensate borders when any of the panels is empty. - /** - * 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 - */ - 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); - }; + // 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'); - /** - * Repaint the item - */ - PointItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; + // 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; - // background box - dom.point = document.createElement('div'); - // className is updated in redraw() + // 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; - // contents box, right from the dot - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.point.appendChild(dom.content); + // 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'; - // dot at start - dom.dot = document.createElement('div'); - dom.point.appendChild(dom.dot); + 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'; - // attach this item as attribute - dom.point['timeline-item'] = this; + // 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.dirty = true; - } + // 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(); - // 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); + // 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); } - 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); + 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'; - // 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; + // 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; - // 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; + // 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 { + console.log('WARNING: infinite loop in redraw?') + } + this.redrawCount = 0; + } - // resize contents - dom.content.style.marginLeft = 2 * this.props.dot.width + 'px'; - //dom.content.style.marginRight = ... + 'px'; // TODO: margin right + this.emit("finishedRedraw"); + }; - dom.dot.style.top = ((this.height - this.props.dot.height) / 2) + 'px'; - dom.dot.style.left = (this.props.dot.width / 2) + 'px'; + // TODO: deprecated since version 1.1.0, remove some day + Core.prototype.repaint = function () { + throw new Error('Function repaint is deprecated. Use redraw instead.'); + }; - this.dirty = false; + /** + * 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. + */ + Core.prototype.setCurrentTime = function(time) { + if (!this.currentTime) { + throw new Error('Option showCurrentTime must be true'); } - this._repaintDeleteButton(dom.point); + this.currentTime.setCurrentTime(time); }; /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. + * Get the current time. + * Only applicable when option `showCurrentTime` is true. + * @return {Date} Returns the current time. */ - PointItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); + Core.prototype.getCurrentTime = function() { + if (!this.currentTime) { + throw new Error('Option showCurrentTime must be true'); } + + return this.currentTime.getCurrentTime(); }; /** - * Hide the item from the DOM (when visible) + * 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 */ - PointItem.prototype.hide = function() { - if (this.displayed) { - if (this.dom.point.parentNode) { - this.dom.point.parentNode.removeChild(this.dom.point); - } - - this.top = null; - this.left = null; - - this.displayed = false; - } + // TODO: move this function to Range + Core.prototype._toTime = function(x) { + return DateUtil.toTime(this, x, this.props.center.width); }; /** - * Reposition the item horizontally - * @Override + * 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 */ - PointItem.prototype.repositionX = function() { - var start = this.conversion.toScreen(this.data.start); - - this.left = start - this.props.dot.width; - - // reposition point - this.dom.point.style.left = this.left + 'px'; + // 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); }; /** - * Reposition the item vertically - * @Override + * 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 */ - 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'; - } + // TODO: move this function to Range + Core.prototype._toScreen = function(time) { + return DateUtil.toScreen(this, time, this.props.center.width); }; - module.exports = PointItem; - - -/***/ }, -/* 35 */ -/***/ function(module, exports, __webpack_require__) { - var Hammer = __webpack_require__(45); - var Item = __webpack_require__(31); /** - * @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 + * 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 */ - 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 - - // 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); + // 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; + }; - 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 + * Initialize watching when option autoResize is true + * @private */ - RangeItem.prototype.isVisible = function(range) { - // determine visibility - return (this.data.start < range.end) && (this.data.end > range.start); + Core.prototype._initAutoResize = function () { + if (this.options.autoResize == true) { + this._startAutoResize(); + } + else { + this._stopAutoResize(); + } }; /** - * Repaint the item + * Watch for changes in the size of the container. On resize, the Panel will + * automatically redraw itself. + * @private */ - RangeItem.prototype.redraw = function() { - 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); - - // attach this item as attribute - dom.box['timeline-item'] = this; + Core.prototype._startAutoResize = function () { + var me = this; - this.dirty = true; - } + this._stopAutoResize(); - // 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'); + this._onResize = function() { + if (me.options.autoResize != true) { + // stop watching when the option autoResize is changed to false + me._stopAutoResize(); + return; } - 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); + 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; - // update class - var className = (this.data.className ? (' ' + this.data.className) : '') + - (this.selected ? ' selected' : ''); - dom.box.className = this.baseClassName + className; + me.emit('change'); + } + } + }; - // determine from css whether this box has overflow - this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; + // add event listener to window resize + util.addEventListener(window, 'resize', this._onResize); - // 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.watchTimer = setInterval(this._onResize, 1000); + }; - this.dirty = false; + /** + * Stop watching for a resize of the frame. + * @private + */ + Core.prototype._stopAutoResize = function () { + if (this.watchTimer) { + clearInterval(this.watchTimer); + this.watchTimer = undefined; } - this._repaintDeleteButton(dom.box); - this._repaintDragLeft(); - this._repaintDragRight(); + // remove event listener on window.resize + util.removeEventListener(window, 'resize', this._onResize); + this._onResize = null; }; /** - * 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 */ - RangeItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); - } + Core.prototype._onTouch = function (event) { + this.touch.allowDragging = true; }; /** - * Hide the item from the DOM (when visible) - * @return {Boolean} changed + * Start moving the timeline vertically + * @param {Event} event + * @private */ - RangeItem.prototype.hide = function() { - if (this.displayed) { - var box = this.dom.box; - - if (box.parentNode) { - box.parentNode.removeChild(box); - } - - this.top = null; - this.left = null; - - this.displayed = false; - } + Core.prototype._onPinch = function (event) { + this.touch.allowDragging = false; }; /** - * Reposition the item horizontally - * @Override + * Start moving the timeline vertically + * @param {Event} event + * @private */ - 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); - } - - this.dom.box.style.left = this.left + 'px'; - this.dom.box.style.width = boxWidth + 'px'; - - switch (this.options.align) { - case 'left': - this.dom.content.style.left = '0'; - break; - - 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'; - } + Core.prototype._onDragStart = function (event) { + this.touch.initialScrollTop = this.props.scrollTop; }; /** - * Reposition the item vertically - * @Override + * Move the timeline vertically + * @param {Event} event + * @private */ - RangeItem.prototype.repositionY = function() { - var orientation = this.options.orientation, - box = this.dom.box; + 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; - if (orientation == 'top') { - box.style.top = this.top + 'px'; - } - else { - box.style.top = (this.parent.height - this.top - this.height) + 'px'; + var delta = event.gesture.deltaY; + + 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"); } }; /** - * Repaint a drag area on the left side of the range when the range is selected - * @protected + * Apply a scrollTop + * @param {Number} scrollTop + * @returns {Number} scrollTop Returns the applied scrollTop + * @private */ - 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; - - // TODO: this should be redundant? - Hammer(dragLeft, { - preventDefault: true - }).on('drag', function () { - //console.log('drag left') - }); + Core.prototype._setScrollTop = function (scrollTop) { + this.props.scrollTop = scrollTop; + this._updateScrollTop(); + return this.props.scrollTop; + }; - 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); + /** + * 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.dom.dragLeft = null; + 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; }; /** - * Repaint a drag area on the right side of the range when the range is selected - * @protected + * Get the current scrollTop + * @returns {number} scrollTop + * @private */ - 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; - - // 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; - } + Core.prototype._getScrollTop = function () { + return this.props.scrollTop; }; - module.exports = RangeItem; + module.exports = Core; /***/ }, -/* 36 */ +/* 26 */ /***/ function(module, exports, __webpack_require__) { - var Emitter = __webpack_require__(56); - var Hammer = __webpack_require__(45); - var keycharm = __webpack_require__(57); + var Hammer = __webpack_require__(19); var util = __webpack_require__(1); - var hammerUtil = __webpack_require__(47); - 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__(49); + 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); - // Load custom shapes into CanvasRenderingContext2D - __webpack_require__(50); + + var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items + var BACKGROUND = '__background__'; // reserved group id for background items without group /** - * @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 + * 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 Network (container, data, options) { - if (!(this instanceof Network)) { - throw new SyntaxError('Constructor must be called with the new operator'); - } - - this._initializeMixinLoaders(); - - // create variables and set default values - this.containerElement = container; - - // render and calculation settings - this.renderRefreshRate = 60; // hz (fps) - this.renderTimestep = 1000 / this.renderRefreshRate; // ms -- saves calculation later on - this.renderTime = 0.5 * this.renderTimestep; // measured time it takes to render a frame - this.maxPhysicsTicksPerRender = 3; // max amount of physics ticks per render step. - this.physicsDiscreteStepsize = 0.50; // discrete stepsize of the simulation + function ItemSet(body, options) { + this.body = body; - this.initializing = true; + this.defaultOptions = { + type: null, // 'box', 'point', 'range', 'background' + orientation: 'bottom', // 'top' or 'bottom' + align: 'auto', // alignment of box items + stack: true, + groupOrder: null, - this.triggerFunctions = {add:null,edit:null,editEdge:null,connect:null,del:null}; + selectable: true, + editable: { + updateTime: false, + updateGroup: false, + add: false, + remove: false + }, - // 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, - level: -1, - color: { - border: '#2B7CE9', - background: '#97C2FC', - highlight: { - border: '#2B7CE9', - background: '#D2E5FF' - }, - hover: { - border: '#2B7CE9', - background: '#D2E5FF' - } - }, - borderColor: '#2B7CE9', - backgroundColor: '#97C2FC', - highlightColor: '#D2E5FF', - group: undefined, - borderWidth: 1, - borderWidthSelected: undefined + onAdd: function (item, callback) { + callback(item); }, - 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', - arrowScaleFactor: 1, - dash: { - length: 10, - gap: 5, - altLength: undefined - }, - inheritColor: "from" // to, from, false, true (== from) + onUpdate: function (item, callback) { + callback(item); }, - configurePhysics:false, - physics: { - barnesHut: { - enabled: true, - theta: 1 / 0.6, // 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 + onMove: function (item, callback) { + callback(item); }, - 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 + onRemove: function (item, callback) { + callback(item); }, - navigation: { - enabled: false + onMoving: function (item, callback) { + callback(item); }, - keyboard: { - enabled: false, - speed: {x: 10, y: 10, zoom: 0.02} + + margin: { + item: { + horizontal: 10, + vertical: 10 + }, + axis: 20 }, - dataManipulation: { - enabled: false, - initiallyVisible: false + padding: 5 + }; + + // 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); }, - hierarchicalLayout: { - enabled:false, - levelSeparation: 150, - nodeSpacing: 100, - direction: "UD", // UD, DU, LR, RL - layout: "hubsize" // hubsize, directed + 'update': function (event, params, senderId) { + me._onUpdate(params.items); }, - freezeForStabilization: false, - smoothCurves: { - enabled: true, - dynamic: true, - type: "continuous", - roundness: 0.5 + '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); }, - maxVelocity: 30, - minVelocity: 0.1, // px/s - stabilize: true, // stabilize before displaying the network - stabilizationIterations: 1000, // maximum number of iteration to stabilize - locale: 'en', - locales: locales, - tooltip: { - delay: 300, - fontColor: 'black', - fontSize: 14, // px - fontFace: 'verdana', - color: { - border: '#666', - background: '#FFFFC6' - } + 'update': function (event, params, senderId) { + me._onUpdateGroups(params.items); }, - dragNetwork: true, - dragNodes: true, - zoomable: true, - hover: false, - hideEdgesOnDrag: false, - hideNodesOnDrag: false, - width : '100%', - height : '100%', - selectable: true + 'remove': function (event, params, senderId) { + me._onRemoveGroups(params.items); + } }; - 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; + this.items = {}; // object with an Item for every data item + this.groups = {}; // Group object for every group + this.groupIds = []; - // Node variables - var network = this; - this.groups = new Groups(); // object with groups - this.images = new Images(); // object with images - this.images.setOnloadCallback(function () { - network._redraw(); - }); + this.selection = []; // list with the ids of all selected nodes + this.stackDirty = true; // if true, all items will be restacked on next redraw - // keyboard navigation variables - this.xIncrement = 0; - this.yIncrement = 0; - this.zoomIncrement = 0; + this.touchParams = {}; // stores properties while dragging + // create the HTML DOM - // 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(); - - // apply options - this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2); - this._setScale(1); this.setOptions(options); + } - // other vars - this.freezeSimulation = false;// freeze the simulation - this.cachedFunctions = {}; - this.startedStabilization = false; - this.stabilized = false; - this.stabilizationIterations = null; - this.draggingNodes = false; + ItemSet.prototype = new Component(); - // 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 + // available item types will be registered here + ItemSet.types = { + background: BackgroundItem, + box: BoxItem, + range: RangeItem, + point: PointItem + }; - // 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 + /** + * 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; - // datasets or dataviews - this.nodesData = null; // A DataSet or DataView - this.edgesData = null; // A DataSet or DataView + // create background panel + var background = document.createElement('div'); + background.className = 'background'; + frame.appendChild(background); + this.dom.background = background; - // 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(); - } - }; + // create foreground panel + var foreground = document.createElement('div'); + foreground.className = 'foreground'; + frame.appendChild(foreground); + this.dom.foreground = foreground; - // properties for the animation - this.moving = true; - this.timer = undefined; // Scheduling function. Is definded in this.start(); + // create axis panel + var axis = document.createElement('div'); + axis.className = 'axis'; + this.dom.axis = axis; - // 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); + // create labelset + var labelSet = document.createElement('div'); + labelSet.className = 'labelset'; + this.dom.labelSet = labelSet; - // 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); - } - } + // create ungrouped Group + this._updateUngrouped(); - // if clustering is disabled, the simulation will have started in the setData function - if (this.constants.clustering.enabled) { - this.startWithClustering(); - } - } + // create background Group + var backgroundGroup = new BackgroundGroup(BACKGROUND, null, this); + backgroundGroup.show(); + this.groups[BACKGROUND] = backgroundGroup; + + // 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 + }); + + // 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)); + + // single select (or unselect) when tapping an item + this.hammer.on('tap', this._onSelectItem.bind(this)); + + // multi select when holding mouse/touch, or on ctrl+click + this.hammer.on('hold', this._onMultiSelectItem.bind(this)); - // Extend Network with an Emitter mixin - Emitter(Network.prototype); + // add item on doubletap + this.hammer.on('doubletap', this._onAddItem.bind(this)); + + // attach to the DOM + this.show(); + }; /** - * 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 + * 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. */ - Network.prototype._getScriptPath = function() { - var scripts = document.getElementsByTagName( 'script' ); + 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); - // 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); + 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); + } + } + } } - } - return 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); + } + } + // 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); - /** - * 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.x)) {minX = node.x;} - if (maxX < (node.x)) {maxX = node.x;} - if (minY > (node.y)) {minY = node.y;} - if (maxY < (node.y)) {maxY = node.y;} - } - } - if (minX == 1e9 && maxX == -1e9 && minY == 1e9 && maxY == -1e9) { - minY = 0, maxY = 0, minX = 0, maxX = 0; + // force the itemSet to refresh: options like orientation and margins may be changed + this.markDirty(); } - 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}} - * @private + * Mark the ItemSet dirty so it will refresh everything with next redraw */ - Network.prototype._findCenter = function(range) { - return {x: (0.5 * (range.maxX + range.minX)), - y: (0.5 * (range.maxY + range.minY))}; + ItemSet.prototype.markDirty = function() { + this.groupIds = []; + this.stackDirty = true; }; - /** - * 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. + * Destroy the ItemSet */ - Network.prototype.zoomExtent = function(animationOptions, initialZoom, disableStart) { - if (initialZoom === undefined) { - initialZoom = false; - } - if (disableStart === undefined) { - disableStart = false; - } - if (animationOptions === undefined) { - animationOptions = false; - } + ItemSet.prototype.destroy = function() { + this.hide(); + this.setItems(null); + this.setGroups(null); - var range = this._getRange(); - var zoomLevel; + this.hammer = null; - 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. - } - } + this.body = null; + this.conversion = null; + }; - // correct for larger canvasses. - var factor = Math.min(this.frame.canvas.clientWidth / 600, this.frame.canvas.clientHeight / 600); - zoomLevel *= factor; + /** + * 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); } - else { - var xDistance = Math.abs(range.maxX - range.minX) * 1.1; - var yDistance = Math.abs(range.maxY - range.minY) * 1.1; - var xZoomLevel = this.frame.canvas.clientWidth / xDistance; - var yZoomLevel = this.frame.canvas.clientHeight / yDistance; - - zoomLevel = (xZoomLevel <= yZoomLevel) ? xZoomLevel : yZoomLevel; + // remove the axis with dots + if (this.dom.axis.parentNode) { + this.dom.axis.parentNode.removeChild(this.dom.axis); } - if (zoomLevel > 1.0) { - zoomLevel = 1.0; + // remove the labelset containing all group labels + if (this.dom.labelSet.parentNode) { + this.dom.labelSet.parentNode.removeChild(this.dom.labelSet); } + }; + /** + * 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); + } - var center = this._findCenter(range); - if (disableStart == false) { - var options = {position: center, scale: zoomLevel, animation: animationOptions}; - this.moveTo(options); - this.moving = true; - this.start(); + // show axis with dots + if (!this.dom.axis.parentNode) { + this.body.dom.backgroundVertical.appendChild(this.dom.axis); } - 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); + + // show labelset containing labels + if (!this.dom.labelSet.parentNode) { + this.body.dom.left.appendChild(this.dom.labelSet); } }; - /** - * Update the this.nodeIndices with the most recent node index list - * @private + * 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. */ - Network.prototype._updateNodeIndexList = function() { - this._clearNodeIndexList(); - for (var idx in this.nodes) { - if (this.nodes.hasOwnProperty(idx)) { - this.nodeIndices.push(idx); + ItemSet.prototype.setSelection = function(ids) { + var i, ii, id, item; + + if (ids == undefined) ids = []; + if (!Array.isArray(ids)) ids = [ids]; + + // 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(); + } + + // 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(); } } }; + /** + * Get the selected items by their id + * @return {Array} ids The ids of the selected items + */ + ItemSet.prototype.getSelection = function() { + return this.selection.concat([]); + }; /** - * Set nodes and edges, and optionally options as well. - * - * @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. + * Get the id's of the currently visible items. + * @returns {Array} The ids of the visible items */ - 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; + 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); - 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.'); - } + var ids = []; + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + var group = this.groups[groupId]; + var rawVisibleItems = group.visibleItems; - // 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; + // 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 { - 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(); - } + + 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.start(); } - this.initializing = false; }; /** - * Set options - * @param {Object} options + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - Network.prototype.setOptions = function (options) { - if (options) { - var prop; + 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; - 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); + // 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; - if (options.physics) { - util.mergeOptions(this.constants.physics, options.physics,'barnesHut'); - util.mergeOptions(this.constants.physics, options.physics,'repulsion'); + // update class name + frame.className = 'itemset' + (editable ? ' editable' : ''); - 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]; - } - } - } - } + // reorder the groups (if needed) + resized = this._orderGroups() || resized; - 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;} + // 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; - 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'); + 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; + // redraw the background group + this.groups[BACKGROUND].redraw(range, nonFirstMargin, restack); - if (options.dataManipulation) { - this.editMode = this.constants.dataManipulation.initiallyVisible; - } + // 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; + // update frame height + frame.style.height = asSize(height); - // 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;} - } - } + // calculate actual size + this.props.width = frame.offsetWidth; + this.props.height = height; + + // 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'; + + // check if this component is resized + resized = this._isResized() || resized; - 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;} - } - } - } + return resized; + }; - 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); - } - } - } + /** + * 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]; - if (options.tooltip) { - for (prop in options.tooltip) { - if (options.tooltip.hasOwnProperty(prop)) { - this.constants.tooltip[prop] = options.tooltip[prop]; + 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(); } } - if (options.tooltip.color) { - this.constants.tooltip.color = util.parseColor(options.tooltip.color); - } } + } + 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; - if ('clickToUse' in options) { - if (options.clickToUse) { - this.activator = new Activator(this.frame); - this.activator.on('change', this._createKeyBinds.bind(this)); - } - else { - if (this.activator) { - this.activator.destroy(); - delete this.activator; + for (itemId in this.items) { + if (this.items.hasOwnProperty(itemId)) { + item = this.items[itemId]; + ungrouped.add(item); } } - } - if (options.labels) { - throw new Error('Option "labels" is deprecated. Use options "locale" and "locales" instead.'); + ungrouped.show(); } } - - // (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(); }; - - /** - * 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 + * Get the element for the labelset + * @return {HTMLElement} labelSet */ - Network.prototype._create = function () { - // remove all elements from the container element. - while (this.containerElement.hasChildNodes()) { - this.containerElement.removeChild(this.containerElement.firstChild); - } + ItemSet.prototype.getLabelSet = function() { + return this.dom.labelSet; + }; - this.frame = document.createElement('div'); - this.frame.className = 'vis network-frame'; - this.frame.style.position = 'relative'; - this.frame.style.overflow = 'hidden'; + /** + * 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'); + } - ////////////////////////////////////////////////////////////////// + if (oldItemsData) { + // unsubscribe from old dataset + util.forEach(this.itemListeners, function (callback, event) { + oldItemsData.off(event, callback); + }); - this.frame.canvas = document.createElement("canvas"); + // remove all drawn items + ids = oldItemsData.getIds(); + this._onRemove(ids); + } - this.frame.canvas.style.position = 'relative'; - this.frame.appendChild(this.frame.canvas); + 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); - 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); + // update the group holding all ungrouped items + this._updateUngrouped(); } - else { + }; - var ctx = this.frame.canvas.getContext("2d"); + /** + * Get the current items + * @returns {vis.DataSet | null} + */ + ItemSet.prototype.getItems = function() { + return this.itemsData; + }; - this.pixelRatio = (window.devicePixelRatio || 1) / (ctx.webkitBackingStorePixelRatio || - ctx.mozBackingStorePixelRatio || - ctx.msBackingStorePixelRatio || - ctx.oBackingStorePixelRatio || - ctx.backingStorePixelRatio || 1); + /** + * Set groups + * @param {vis.DataSet} groups + */ + ItemSet.prototype.setGroups = function(groups) { + var me = this, + ids; + // unsubscribe from current dataset + if (this.groupsData) { + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.unsubscribe(event, callback); + }); + // remove all drawn groups + ids = this.groupsData.getIds(); + this.groupsData = null; + this._onRemoveGroups(ids); // note: this will cause a redraw + } - this.frame.canvas.getContext("2d").setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); + // 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'); } - ////////////////////////////////////////////////////////////////// + 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 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) ); + // update the group holding all ungrouped items + this._updateUngrouped(); - this.hammerFrame = Hammer(this.frame, { - prevent_default: true - }); - this.hammerFrame.on('release', me._onRelease.bind(me) ); + // update the order of all items in each group + this._order(); - // add the frame to the container element - this.containerElement.appendChild(this.frame); + this.body.emitter.emit('change', {queue: true}); + }; + /** + * Get the current groups + * @returns {vis.DataSet | null} groups + */ + 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); + } + }); + } + }; /** - * Binding the keys for keyboard navigation. These functions are defined in the NavigationMixin + * Get the time of an item based on it's data and options.type + * @param {Object} itemData + * @returns {string} Returns the type * @private */ - Network.prototype._createKeyBinds = function() { - var me = this; - if (this.keycharm !== undefined) { - this.keycharm.destroy(); - } - this.keycharm = keycharm(); + ItemSet.prototype._getType = function (itemData) { + return itemData.type || this.options.type || (itemData.end ? 'range' : 'box'); + }; - 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"); + /** + * Get the group id for an item + * @param {Object} itemData + * @returns {string} Returns the groupId + * @private + */ + ItemSet.prototype._getGroupId = function (itemData) { + var type = this._getType(itemData); + if (type == 'background' && itemData.group == undefined) { + return BACKGROUND; } - - if (this.constants.dataManipulation.enabled == true) { - this.keycharm.bind("esc",this._createManipulatorBar.bind(me)); - this.keycharm.bind("delete",this._deleteSelected.bind(me)); + else { + return this.groupsData ? itemData.group : UNGROUPED; } }; /** - * Get the pointer location from a touch location - * @param {{pageX: Number, pageY: Number}} touch - * @return {{x: Number, y: Number}} pointer - * @private + * Handle updated items + * @param {Number[]} ids + * @protected */ - Network.prototype._getPointer = function (touch) { - return { - x: touch.pageX - util.getAbsoluteLeft(this.frame.canvas), - y: touch.pageY - util.getAbsoluteTop(this.frame.canvas) - }; + 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); + } + } + + 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}); }; /** - * On start of a touch gesture, store the pointer - * @param event - * @private + * Handle added items + * @param {Number[]} ids + * @protected */ - 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._onAdd = ItemSet.prototype._onUpdate; - // to avoid double fireing of this event because we have two hammer instances. (on canvas and on frame) - this.touchTime = new Date().valueOf(); + /** + * 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); + } + }); - this._handleTouch(this.drag.pointer); + if (count) { + // update order + this._order(); + this.stackDirty = true; // force re-stacking of all items next redraw + this.body.emitter.emit('change', {queue: true}); } }; /** - * handle drag start event + * Update the order of item in all groups * @private */ - Network.prototype._onDragStart = function () { - this._handleDragStart(); + 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 is called by _onDragStart. - * It is separated out because we can then overload it for the datamanipulation system. - * + * Handle updated groups + * @param {Number[]} ids * @private */ - Network.prototype._handleDragStart = function() { - var drag = this.drag; - var node = this._getNodeAt(drag.pointer); - // note: drag.pointer is set in _onTouch to get the initial touch location - - drag.dragging = true; - drag.selection = []; - drag.translation = this._getTranslation(); - drag.nodeId = null; - this.draggingNodes = false; + ItemSet.prototype._onUpdateGroups = function(ids) { + this._onAddGroups(ids); + }; - if (node != null && this.constants.dragNodes == true) { - this.draggingNodes = true; - drag.nodeId = node.id; - // select the clicked node if not yet selected - if (!node.isSelected()) { - this._selectObject(node,false); - } + /** + * Handle changed groups (added or updated) + * @param {Number[]} ids + * @private + */ + ItemSet.prototype._onAddGroups = function(ids) { + var me = this; - this.emit("dragStart",{nodeIds:this.getSelection().nodes}); + ids.forEach(function (id) { + var groupData = me.groupsData.get(id); + var group = me.groups[id]; - // 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, + if (!group) { + // check for reserved ids + if (id == UNGROUPED || id == BACKGROUND) { + throw new Error('Illegal group id. ' + id + ' is a reserved id.'); + } - // store original x, y, xFixed and yFixed, make the node temporarily Fixed - x: object.x, - y: object.y, - xFixed: object.xFixed, - yFixed: object.yFixed - }; + var groupOptions = Object.create(me.options); + util.extend(groupOptions, { + height: null + }); - object.xFixed = true; - object.yFixed = true; + group = new Group(id, groupData, me); + me.groups[id] = group; - drag.selection.push(s); + // 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 { + // update group + group.setData(groupData); + } + }); - /** - * handle drag event - * @private - */ - Network.prototype._onDrag = function (event) { - this._handleOnDrag(event) + this.body.emitter.emit('change', {queue: true}); }; - /** - * This function is called by _onDrag. - * It is separated out because we can then overload it for the datamanipulation system. - * + * Handle removed groups + * @param {Number[]} ids * @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(); + ItemSet.prototype._onRemoveGroups = function(ids) { + var groups = this.groups; + ids.forEach(function (id) { + var group = groups[id]; - 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; + if (group) { + group.hide(); + delete groups[id]; + } + }); - // update position of all selected nodes - selection.forEach(function (s) { - var node = s.node; + this.markDirty(); - if (!s.xFixed) { - node.x = me._XconvertDOMtoCanvas(me._XconvertCanvasToDOM(s.x) + deltaX); - } + this.body.emitter.emit('change', {queue: true}); + }; - if (!s.yFixed) { - node.y = me._YconvertDOMtoCanvas(me._YconvertCanvasToDOM(s.y) + deltaY); - } + /** + * 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(); + }); - // start _animationStep if not yet running - if (!this.moving) { - this.moving = true; - this.start(); + this.groupIds = groupIds; } + + return changed; } else { - if (this.constants.dragNetwork == true) { - // move the network - 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(); - // this.moving = true; - // this.start(); - } + return false; } }; /** - * handle drag start event + * Add a new item + * @param {Item} item * @private */ - Network.prototype._onDragEnd = function (event) { - this._handleDragEnd(event); - }; - + ItemSet.prototype._addItem = function(item) { + this.items[item.id] = item; - 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}); - } + // add to group + var groupId = this._getGroupId(item.data); + var group = this.groups[groupId]; + if (group) group.add(item); + }; - } /** - * handle tap/click event: select/unselect a node + * Update an existing item + * @param {Item} item + * @param {Object} itemData * @private */ - Network.prototype._onTap = function (event) { - var pointer = this._getPointer(event.gesture.center); - this.pointerPosition = pointer; - this._handleTap(pointer); + 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); + } + }; /** - * handle doubletap event + * 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 */ - Network.prototype._onDoubleTap = function (event) { - var pointer = this._getPointer(event.gesture.center); - this._handleDoubleTap(pointer); - }; + ItemSet.prototype._removeItem = function(item) { + // remove from DOM + item.hide(); + // remove from items + delete this.items[item.id]; - /** - * 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); + // remove from selection + var index = this.selection.indexOf(item.id); + if (index != -1) this.selection.splice(index, 1); + + // remove from group + item.parent && item.parent.remove(item); }; /** - * handle the release of the screen - * + * Create an array containing all items being a range (having an end date) + * @param array + * @returns {Array} * @private */ - Network.prototype._onRelease = function (event) { - var pointer = this._getPointer(event.gesture.center); - this._handleOnRelease(pointer); + 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; }; /** - * Handle pinch event - * @param event + * 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 */ - Network.prototype._onPinch = function (event) { - var pointer = this._getPointer(event.gesture.center); - - this.drag.pinched = true; - if (!('scale' in this.pinch)) { - this.pinch.scale = 1; - } - - // TODO: enabled moving while pinching? - var scale = this.pinch.scale * event.gesture.scale; - this._zoom(scale, pointer) + ItemSet.prototype._onTouch = function (event) { + // store the touched item, used in _onDragStart + this.touchParams.item = ItemSet.itemFromTarget(event); }; /** - * 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 + * Start dragging the selected events + * @param {Event} event * @private */ - 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; - } + ItemSet.prototype._onDragStart = function (event) { + if (!this.options.editable.updateTime && !this.options.editable.updateGroup) { + return; + } - 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(); + var item = this.touchParams.item || null; + var me = this; + var props; - var scaleFrac = scale / scaleOld; - var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; - var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac; + if (item && item.selected) { + var dragLeftItem = event.target.dragLeftItem; + var dragRightItem = event.target.dragRightItem; - this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), - "y" : this._YconvertDOMtoCanvas(pointer.y)}; + if (dragLeftItem) { + props = { + item: dragLeftItem, + initialX: event.gesture.center.clientX + }; - this._setScale(scale); - this._setTranslation(tx, ty); - this.updateClustersDefault(); + 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; + } - if (preScaleDragPointer != null) { - var postScaleDragPointer = this.canvasToDOM(preScaleDragPointer); - this.drag.pointer.x = postScaleDragPointer.x; - this.drag.pointer.y = postScaleDragPointer.y; + this.touchParams.itemProps = [props]; } + else if (dragRightItem) { + props = { + item: dragRightItem, + initialX: event.gesture.center.clientX + }; - this._redraw(); + 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; + } - if (scaleOld < scale) { - this.emit("zoom", {direction:"+"}); + this.touchParams.itemProps = [props]; } else { - this.emit("zoom", {direction:"-"}); + this.touchParams.itemProps = this.getSelection().map(function (id) { + var item = me.items[id]; + var props = { + item: item, + initialX: event.gesture.center.clientX + }; + + 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; + } + + return props; + }); } - return scale; + event.stopPropagation(); } }; - /** - * 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 + * Drag selected items + * @param {Event} 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; - } + ItemSet.prototype._onDrag = function (event) { + event.preventDefault() - // 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) { + 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; - // calculate the new scale - var scale = this._getScale(); - var zoom = delta / 10; - if (delta < 0) { - zoom = zoom / (1 - zoom); - } - scale *= (1 + zoom); + // 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; - // calculate the pointer location - var gesture = hammerUtil.fakeGesture(this, event); - var pointer = this._getPointer(gesture.center); + if ('start' in props) { + var start = new Date(props.start + offset); + newProps.start = snap ? snap(start) : start; + } - // apply the new scale - this._zoom(scale, pointer); - } + if ('end' in props) { + var end = new Date(props.end + offset); + newProps.end = snap ? snap(end) : end; + } - // Prevent default actions caused by mouse wheel. - event.preventDefault(); + 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'); + + event.stopPropagation(); + } }; + /** + * 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) + } + }; /** - * Mouse move handler for checking whether the title moves over a node with a title. - * @param {Event} event + * Move an item to another group + * @param {Item} item + * @param {String | Number} groupId * @private */ - Network.prototype._onMouseMoveTitle = function (event) { - var gesture = hammerUtil.fakeGesture(this, event); - var pointer = this._getPointer(gesture.center); + 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(); - // check if the previously selected node is still selected - if (this.popupObj) { - this._checkHidePopup(pointer); + item.data.group = group.groupId; } + }; - // 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); - } + /** + * End of dragging selected items + * @param {Event} event + * @private + */ + 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(); - /** - * 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 itemProps = this.touchParams.itemProps ; + this.touchParams.itemProps = null; + itemProps.forEach(function (props) { + var id = props.item.id, + itemData = me.itemsData.get(id, me.itemOptions); - // adding hover highlights - var obj = this._getNodeAt(pointer); - if (obj == null) { - obj = this._getEdgeAt(pointer); - } - if (obj != null) { - this._hoverObject(obj); - } + 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; + } - // 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]; - } + // 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); } - this.redraw(); + + event.stopPropagation(); } }; /** - * 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 + * Handle selecting/deselecting an item when tapping it + * @param {Event} event * @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) - }; - - var id; - var lastPopupNode = this.popupObj; - - if (this.popupObj == undefined) { - // search the nodes for overlap, select the top one in case of multiple nodes - var nodes = this.nodes; - for (id in nodes) { - if (nodes.hasOwnProperty(id)) { - var node = nodes[id]; - if (node.getTitle() !== undefined && node.isOverlappingWith(obj)) { - this.popupObj = node; - break; - } - } - } - } + ItemSet.prototype._onSelectItem = function (event) { + if (!this.options.selectable) return; - if (this.popupObj === undefined) { - // search the edges for overlap - var edges = this.edges; - for (id in edges) { - if (edges.hasOwnProperty(id)) { - var edge = edges[id]; - if (edge.connected && (edge.getTitle() !== undefined) && - edge.isOverlappingWith(obj)) { - this.popupObj = edge; - break; - } - } - } + 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; } - 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); - } + var oldSelection = this.getSelection(); - // 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(); - } - } - }; + var item = ItemSet.itemFromTarget(event); + var selection = item ? [item.id] : []; + this.setSelection(selection); + var newSelection = this.getSelection(); - /** - * 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(); - } + // 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 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%') + * Handle creation and updates of an item on double tap + * @param event + * @private */ - 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%'; + ItemSet.prototype._onAddItem = function (event) { + if (!this.options.selectable) return; + if (!this.options.editable.add) return; - this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; - this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; + var me = this, + snap = this.body.util.snap || null, + item = ItemSet.itemFromTarget(event); - this.constants.width = width; - this.constants.height = height; + if (item) { + // update item - emitEvent = true; + // 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 { - // this would adapt the width of the canvas to the width from 100% if and only if - // there is a change. + // 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' + }; - if (this.frame.canvas.width != this.frame.canvas.clientWidth * this.pixelRatio) { - this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; - emitEvent = true; + // 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; } - if (this.frame.canvas.height != this.frame.canvas.clientHeight * this.pixelRatio) { - this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; - emitEvent = true; + + newItem[this.itemsData._fieldId] = util.randomUUID(); + + var group = ItemSet.groupFromTarget(event); + if (group) { + newItem.group = group.groupId; } - } - 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}); + // 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? + } + }); } }; /** - * Set a data set with nodes for the network - * @param {Array | DataSet | DataView} nodes The data containing the nodes. + * Handle selecting/deselecting multiple items when holding an item + * @param {Event} event * @private */ - Network.prototype._setNodes = function(nodes) { - var oldNodesData = this.nodesData; + ItemSet.prototype._onMultiSelectItem = function (event) { + if (!this.options.selectable) return; - 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'); - } + var selection, + item = ItemSet.itemFromTarget(event); - if (oldNodesData) { - // unsubscribe from old dataset - util.forEach(this.nodesListeners, function (callback, event) { - oldNodesData.off(event, callback); - }); - } + if (item) { + // multi select items + selection = this.getSelection(); // current selection - // remove drawn nodes - this.nodes = {}; + 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 - if (this.nodesData) { - // subscribe to new dataset - var me = this; - util.forEach(this.nodesListeners, function (callback, event) { - me.nodesData.on(event, callback); - }); + // determine the selection range + selection.push(item.id); + var range = ItemSet._getItemRange(this.itemsData.get(selection, this.itemOptions)); - // draw all new nodes - var ids = this.nodesData.getIds(); - this._addNodes(ids); - } - this._updateSelection(); - }; + // 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; - /** - * 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);} + 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.moving = true; - } - this._updateNodeIndexList(); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); + this.setSelection(selection); + + this.body.emitter.emit('select', { + items: this.getSelection() + }); } - this._updateCalculationNodes(); - this._reconnectEdges(); - this._updateValueRange(this.nodes); - this.updateLabels(); }; /** - * Update existing nodes, or create them when not yet existing - * @param {Number[] | String[]} ids + * 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._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); + 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 { - // create node - node = new Node(properties, this.images, this.groups, this.constants); - nodes[id] = node; + if (max == null || data.start > max) { + max = data.start; + } } + }); + + return { + min: min, + max: max } - 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 - * @private + * 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 */ - 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(); + ItemSet.itemFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-item')) { + return target['timeline-item']; + } + target = target.parentNode; } - this._updateCalculationNodes(); - this._reconnectEdges(); - this._updateSelection(); - this._updateValueRange(nodes); + + return null; }; /** - * Load edges by reading the data table - * @param {Array | DataSet | DataView} edges The data containing the edges. - * @private - * @private + * 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 */ - 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); - }); + ItemSet.groupFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-group')) { + return target['timeline-group']; + } + target = target.parentNode; } - // 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); - }); + return null; + }; - // draw all new nodes - var ids = this.edgesData.getIds(); - this._addEdges(ids); + /** + * 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 + */ + ItemSet.itemSetFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-itemset')) { + return target['timeline-itemset']; + } + target = target.parentNode; } - this._reconnectEdges(); + return null; }; - /** - * Add edges - * @param {Number[] | String[]} ids - * @private - */ - Network.prototype._addEdges = function (ids) { - var edges = this.edges, - edgesData = this.edgesData; + module.exports = ItemSet; - for (var i = 0, len = ids.length; i < len; i++) { - var id = ids[i]; - var oldEdge = edges[id]; - if (oldEdge) { - oldEdge.disconnect(); - } +/***/ }, +/* 27 */ +/***/ function(module, exports, __webpack_require__) { - 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(); - } - }; + var util = __webpack_require__(1); + var stack = __webpack_require__(28); + var RangeItem = __webpack_require__(29); /** - * Update existing edges, or create them when not yet existing - * @param {Number[] | String[]} ids - * @private + * @constructor Group + * @param {Number | String} groupId + * @param {Object} data + * @param {ItemSet} itemSet */ - 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]; + function Group (groupId, data, itemSet) { + this.groupId = groupId; + this.subgroups = {}; + this.subgroupIndex = 0; + this.subgroupOrderer = data && data.subgroupOrder; + this.itemSet = itemSet; - 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; + 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; + }) - this._createBezierNodes(); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } - this.moving = true; - this._updateValueRange(edges); - }; + this._create(); + + this.setData(data); + } /** - * Remove existing edges. Non existing ids will be ignored - * @param {Number[] | String[]} ids + * Create DOM elements for the group * @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]; - } - } + Group.prototype._create = function() { + var label = document.createElement('div'); + label.className = 'vlabel'; + this.dom.label = label; - this.moving = true; - this._updateValueRange(edges); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } - this._updateCalculationNodes(); + 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); }; /** - * Reconnect all edges - * @private + * Set the group data for this group + * @param {Object} data Group data, can contain properties content and className */ - 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 = []; - } + Group.prototype.setData = function(data) { + // update contents + var content = data && data.content; + if (content instanceof Element) { + this.dom.inner.appendChild(content); } - - for (id in edges) { - if (edges.hasOwnProperty(id)) { - var edge = edges[id]; - edge.from = null; - edge.to = null; - edge.connect(); - } + else if (content !== undefined && content !== null) { + this.dom.inner.innerHTML = content; + } + else { + this.dom.inner.innerHTML = this.groupId || ''; // groupId can be null } - }; - /** - * 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; + // update title + this.dom.label.title = data && data.title || ''; - // 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 (!this.dom.inner.firstChild) { + util.addClassName(this.dom.inner, 'hidden'); + } + else { + util.removeClassName(this.dom.inner, 'hidden'); } - // adjust the range of all objects - if (valueMin !== undefined && valueMax !== undefined) { - for (id in obj) { - if (obj.hasOwnProperty(id)) { - obj[id].setValueRange(valueMin, valueMax); - } + // 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; } }; /** - * Redraw the network with the current data - * chart will be resized too. + * Get the width of the group label + * @return {number} width */ - Network.prototype.redraw = function() { - this.setSize(this.constants.width, this.constants.height); - this._redraw(); + Group.prototype.getLabelWidth = function() { + return this.props.label.width; }; + /** - * Redraw the network with the current data - * @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._redraw = function() { - var ctx = this.frame.canvas.getContext('2d'); - - ctx.setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); - - // 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); + Group.prototype.redraw = function(range, margin, restack) { + var resized = false; - // set scaling and translation - ctx.save(); - ctx.translate(this.translation.x, this.translation.y); - ctx.scale(this.scale, this.scale); + this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); - 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) - }; + // 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(); + }); - this._doInAllSectors("_drawAllSectorNodes",ctx); - if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideEdgesOnDrag == false) { - this._doInAllSectors("_drawEdges",ctx); + restack = true; } - if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideNodesOnDrag == false) { - this._doInAllSectors("_drawNodes",ctx,false); + // reposition visible items vertically + if (this.itemSet.options.stack) { // TODO: ugly way to access options... + stack.stack(this.visibleItems, margin, restack); } - - if (this.controlNodesActive == true) { - this._doInAllSectors("_drawControlNodes",ctx); + else { // no stacking + stack.nostack(this.visibleItems, margin, this.subgroups); } - // this._doInSupportSector("_drawNodes",ctx,true); - // this._drawTree(ctx,"#F00F0F"); + // recalculate the height of the group + var height = this._calculateHeight(margin); - // restore original scaling and translation - ctx.restore(); - }; + // 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 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 - }; - } + // 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 (offsetX !== undefined) { - this.translation.x = offsetX; - } - if (offsetY !== undefined) { - this.translation.y = offsetY; + // 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); } - this.emit('viewChanged'); + return resized; }; /** - * Get the translation of the network - * @return {Object} translation An object with parameters x and y, both a number + * recalculate the height of the group + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * @returns {number} Returns the height * @private */ - Network.prototype._getTranslation = function() { - return { - x: this.translation.x, - y: this.translation.y - }; - }; + 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; + } + else { + height = margin.axis + margin.item.vertical; + } + height = Math.max(height, this.props.label.height); - /** - * Scale the network - * @param {Number} scale Scaling factor 1.0 is unscaled - * @private - */ - Network.prototype._setScale = function(scale) { - this.scale = scale; + return height; }; /** - * Get the current scale of the network - * @return {Number} scale Scaling factor 1.0 is unscaled - * @private + * Show this group: attach to the DOM */ - Network.prototype._getScale = function() { - return this.scale; - }; + Group.prototype.show = function() { + if (!this.dom.label.parentNode) { + this.itemSet.dom.labelSet.appendChild(this.dom.label); + } - /** - * 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; - }; + if (!this.dom.foreground.parentNode) { + this.itemSet.dom.foreground.appendChild(this.dom.foreground); + } - /** - * 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 (!this.dom.background.parentNode) { + this.itemSet.dom.background.appendChild(this.dom.background); + } - /** - * 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 (!this.dom.axis.parentNode) { + this.itemSet.dom.axis.appendChild(this.dom.axis); + } }; /** - * 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 + * Hide this group: remove from the DOM */ - Network.prototype._YconvertCanvasToDOM = function(y) { - return y * this.scale + this.translation.y ; - }; + Group.prototype.hide = function() { + var label = this.dom.label; + if (label.parentNode) { + label.parentNode.removeChild(label); + } + var foreground = this.dom.foreground; + if (foreground.parentNode) { + foreground.parentNode.removeChild(foreground); + } - /** - * - * @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)}; - }; + var background = this.dom.background; + if (background.parentNode) { + background.parentNode.removeChild(background); + } - /** - * - * @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)}; + var axis = this.dom.axis; + if (axis.parentNode) { + axis.parentNode.removeChild(axis); + } }; /** - * Redraw all nodes - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @param {Boolean} [alwaysShow] - * @private + * Add an item to the group + * @param {Item} item */ - Network.prototype._drawNodes = function(ctx,alwaysShow) { - if (alwaysShow === undefined) { - alwaysShow = false; + 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(); - // first draw the unselected nodes - var nodes = this.nodes; - var selected = []; + 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); + } + }; - 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); + 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]}) } - else { - if (nodes[id].inArea() || alwaysShow) { - nodes[id].draw(ctx); - } + sortArray.sort(function (a, b) { + return a.sortField - b.sortField; + }) + } + 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 (sortArray.length > 0) { + for (var i = 0; i < sortArray.length; i++) { + this.subgroups[sortArray[i].subgroup].index = i; } } } + }; - // 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); + Group.prototype.resetSubgroups = function() { + for (var subgroup in this.subgroups) { + if (this.subgroups.hasOwnProperty(subgroup)) { + this.subgroups[subgroup].visible = false; } } }; /** - * Redraw all edges - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @private + * Remove an item from the group + * @param {Item} item */ - 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); - } - } - } + 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? + }; + + + /** + * Remove an item from the corresponding DataSet + * @param {Item} item + */ + Group.prototype.removeFromDataSet = function(item) { + this.itemSet.removeItem(item.id); }; + /** - * Redraw all edges - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @private + * Reorder the items */ - Network.prototype._drawControlNodes = function(ctx) { - var edges = this.edges; - for (var id in edges) { - if (edges.hasOwnProperty(id)) { - edges[id]._drawControlNodes(ctx); + 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); }; + /** - * Find a stable position for all 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._stabilize = function() { - if (this.constants.freezeForStabilization == true) { - this._freezeDefinedNodes(); + 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; + + // 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;} } - // find stable position - var count = 0; - while (this.moving && count < this.constants.stabilizationIterations) { - this._physicsTick(); - count++; + // 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); + } } - this.zoomExtent(undefined,false,true); - if (this.constants.freezeForStabilization == true) { - this._restoreFrozenNodes(); + + // 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 { + // 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" : "") + // } + //} + + return visibleItems; }; - /** - * 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; + Group.prototype._traceVisible = function (initialPos, items, visibleItems, visibleItemsLookup, breakCondition) { + var item; + var i; + + 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); + } } } - } - }; - /** - * 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; + 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); + } } } } - }; + } /** - * 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 + * 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._isMoving = function(vmin) { - var nodes = this.nodes; - for (var id in nodes) { - if (nodes.hasOwnProperty(id) && nodes[id].isMoving(vmin)) { - return true; + 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(); } - } - return false; }; /** - * /** - * Perform one discrete step for all nodes + * 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._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; - } + 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 { - for (nodeId in nodes) { - if (nodes.hasOwnProperty(nodeId)) { - nodes[nodeId].discreteStep(interval); - nodesPresent = true; - } - } - } - - 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); - } + if (item.displayed) item.hide(); } - return false; }; - /** - * 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; - 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;} - // determine if the network has stabilzied - this.moving = mainMovingStatus || supportMovingStatus; + module.exports = Group; - this.stabilizationIterations++; - } - } - }; +/***/ }, +/* 28 */ +/***/ function(module, exports, __webpack_require__) { + + // Utility functions for ordering and stacking of items + var EPSILON = 0.001; // used when checking collisions, to prevent round-off errors /** - * 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 + * Order items by their start data + * @param {Item[]} items */ - Network.prototype._animationStep = function() { - // reset the timer so a new scheduled animation step can be set - this.timer = undefined; - // handle the keyboad movement - this._handleNavigation(); + exports.orderByStart = function(items) { + items.sort(function (a, b) { + return a.data.start - b.data.start; + }); + }; - // this schedules a new animation step - this.start(); + /** + * Order items by their end date. If they have no end date, their start date + * is used. + * @param {Item[]} items + */ + 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; - // start the physics simulation - var calculationTime = Date.now(); - var maxSteps = 1; - this._physicsTick(); - var timeRequired = Date.now() - calculationTime; - while (timeRequired < 0.9*(this.renderTimestep - this.renderTime) && maxSteps < this.maxPhysicsTicksPerRender) { - this._physicsTick(); - timeRequired = Date.now() - calculationTime; - maxSteps++; - } - // start the rendering process - var renderTime = Date.now(); - this._redraw(); - this.renderTime = Date.now() - renderTime; + return aTime - bTime; + }); }; - if (typeof window !== 'undefined') { - window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || - window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; - } - /** - * Schedule a animation step with the refreshrate interval. + * 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.start = function() { - if (this.moving == true || this.xIncrement != 0 || this.yIncrement != 0 || this.zoomIncrement != 0) { - if (this.startedStabilization == false) { - this.emit("startStabilization"); - this.startedStabilization = true; + exports.stack = function(items, margin, force) { + var i, iMax; + + if (force) { + // reset top position of all items + for (i = 0, iMax = items.length; i < iMax; i++) { + items[i].top = null; } + } - if (!this.timer) { - var ua = navigator.userAgent.toLowerCase(); + // 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; - var requiresTimeout = false; - if (ua.indexOf('msie 9.0') != -1) { // IE 9 - requiresTimeout = true; - } - else if (ua.indexOf('safari') != -1) { // safari - if (ua.indexOf('chrome') <= -1) { - requiresTimeout = true; + 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 (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), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function - } - } - } - else { - this._redraw(); - if (this.stabilizationIterations > 0) { - // 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 - }; - me.stabilizationIterations = 0; - me.startedStabilization = false; - setTimeout(function () { - me.emit("stabilized", params); - }, 0); + 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); } } }; /** - * Move the network according to the keyboard presses. - * - * @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._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); + 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; + } + } + } + items[i].top = newTop; + } + else { + items[i].top = margin.axis; + } } }; - /** - * Freeze the _animationStep + * 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 */ - Network.prototype.toggleFreeze = function() { - if (this.freezeSimulation == false) { - this.freezeSimulation = true; - } - else { - this.freezeSimulation = false; - this.start(); - } + 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); + /** - * This function cleans the support nodes if they are not needed and adds them when they are. - * - * @param {boolean} [disableStart] - * @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._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]; - } - } + function RangeItem (data, conversion, options) { + this.props = { + content: { + width: 0 } - } - 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; - } + }; + 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._updateCalculationNodes(); - if (!disableStart) { - this.moving = true; - this.start(); - } - }; + RangeItem.prototype = new Item (null, null, null); + RangeItem.prototype.baseClassName = 'item range'; /** - * 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 + * 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._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(); - } - } - } - } + RangeItem.prototype.isVisible = function(range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); }; /** - * load the functions that load the mixins into the prototype. - * - * @private + * Repaint the item */ - Network.prototype._initializeMixinLoaders = function () { - for (var mixin in MixinLoader) { - if (MixinLoader.hasOwnProperty(mixin)) { - Network.prototype[mixin] = MixinLoader[mixin]; + RangeItem.prototype.redraw = function() { + 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); + + // 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); + } + 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(); }; /** - * Load the XY positions of the nodes into the dataset. + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. */ - Network.prototype.storePosition = function() { - console.log("storePosition is depricated: use .storePositions() from now on.") - this.storePositions(); + RangeItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); + } }; /** - * Load the XY positions of the nodes into the dataset. + * Hide the item from the DOM (when visible) + * @return {Boolean} changed */ - 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}); - } + RangeItem.prototype.hide = function() { + if (this.displayed) { + var box = this.dom.box; + + if (box.parentNode) { + box.parentNode.removeChild(box); } + + this.top = null; + this.left = null; + + this.displayed = false; } - this.nodesData.update(dataArray); }; /** - * Return the positions of the nodes. + * Reposition the item horizontally + * @Override */ - 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)}; - } - } + 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 { - 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)}; - } - } + this.left = start; + this.width = boxWidth; + contentWidth = Math.min(end - start - 2 * this.options.padding, this.props.content.width); } - return dataArray; - }; + this.dom.box.style.left = this.left + 'px'; + this.dom.box.style.width = boxWidth + 'px'; + + switch (this.options.align) { + case 'left': + this.dom.content.style.left = '0'; + break; + + 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'; + } + }; /** - * Center a node in view. - * - * @param {Number} nodeId - * @param {Number} [options] + * Reposition the item vertically + * @Override */ - 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; + RangeItem.prototype.repositionY = function() { + var orientation = this.options.orientation, + box = this.dom.box; - this.moveTo(options) + if (orientation == 'top') { + box.style.top = this.top + 'px'; } else { - console.log("This nodeId cannot be found."); + box.style.top = (this.parent.height - this.top - this.height) + 'px'; } }; /** - * - * @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 + * Repaint a drag area on the left side of the range when the range is selected + * @protected */ - 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 + 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; - this.animateView(options); + // TODO: this should be redundant? + Hammer(dragLeft, { + preventDefault: true + }).on('drag', function () { + //console.log('drag left') + }); + + 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; + } }; /** - * - * @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 + * Repaint a drag area on the right side of the range when the range is selected + * @protected */ - Network.prototype.animateView = function (options) { - if (options === undefined) { - options = {}; - return; - } + 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; - // release if something focussed on the node - this.releaseNode(); - if (options.locked == true) { - this.lockedOnNodeId = options.lockedOnNode; - this.lockedOnNodeOffset = options.offset; - } + // TODO: this should be redundant? + Hammer(dragRight, { + preventDefault: true + }).on('drag', function () { + //console.log('drag right') + }); - // 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.dom.box.appendChild(dragRight); + this.dom.dragRight = dragRight; } - - this.sourceScale = this._getScale(); - this.sourceTranslation = this._getTranslation(); - this.targetScale = options.scale; - - // 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 - }; - - // 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 if (!this.selected && this.dom.dragRight) { + // delete drag area + if (this.dom.dragRight.parentNode) { + this.dom.dragRight.parentNode.removeChild(this.dom.dragRight); } - } - 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(); + this.dom.dragRight = null; } }; + module.exports = RangeItem; - 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._setTranslation(targetTranslation.x,targetTranslation.y); - this._classicRedraw(); - } +/***/ }, +/* 30 */ +/***/ function(module, exports, __webpack_require__) { - Network.prototype.releaseNode = function () { - if (this.lockedOnNodeId != null) { - this._redraw = this._classicRedraw; - this.lockedOnNodeId = null; - this.lockedOnNodeOffset = null; - } - } + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); /** - * - * @param easingTime - * @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._transitionRedraw = function (easingTime) { - this.easingTime = easingTime || this.easingTime + this.animationSpeed; - this.easingTime += this.animationSpeed; + function Item (data, conversion, options) { + this.id = null; + this.parent = null; + this.data = data; + this.dom = null; + this.conversion = conversion || {}; + this.options = options || {}; - var progress = util.easingFunctions[this.animationEasingFunction](this.easingTime); + this.selected = false; + this.displayed = false; + this.dirty = true; - 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 - ); + this.top = null; + this.left = null; + this.width = null; + this.height = null; + } - this._classicRedraw(); - this.moving = true; + Item.prototype.stack = 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"); - } + /** + * Select current item + */ + Item.prototype.select = function() { + this.selected = true; + this.dirty = true; + if (this.displayed) this.redraw(); }; - Network.prototype._classicRedraw = function () { - // placeholder function to be overloaded by animations; + /** + * Unselect current item + */ + Item.prototype.unselect = function() { + this.selected = false; + this.dirty = true; + if (this.displayed) this.redraw(); + }; + + /** + * 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(); + }; + + /** + * 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(); + } + } + else { + this.parent = parent; + } }; /** - * Returns true when the Network is active. - * @returns {boolean} + * 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.isActive = function () { - return !this.activator || this.activator.active; + Item.prototype.isVisible = function(range) { + // Should be implemented by Item implementations + return false; }; - /** - * Sets the scale - * @returns {Number} + * Show the Item in the DOM (when not already visible) + * @return {Boolean} changed */ - Network.prototype.setScale = function () { - return this._setScale(); + Item.prototype.show = function() { + return false; }; + /** + * Hide the Item from the DOM (when visible) + * @return {Boolean} changed + */ + Item.prototype.hide = function() { + return false; + }; /** - * Returns the scale - * @returns {Number} + * Repaint the item */ - Network.prototype.getScale = function () { - return this._getScale(); + Item.prototype.redraw = function() { + // should be implemented by the item }; + /** + * Reposition the Item horizontally + */ + Item.prototype.repositionX = function() { + // should be implemented by the item + }; /** - * Returns the scale - * @returns {Number} + * Reposition the Item vertically */ - Network.prototype.getCenterCoordinates = function () { - return this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); + Item.prototype.repositionY = function() { + // should be implemented by the item }; - module.exports = Network; + /** + * Repaint a delete button on the top right of the item when the item is selected + * @param {HTMLElement} anchor + * @protected + */ + 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'; -/***/ }, -/* 37 */ -/***/ function(module, exports, __webpack_require__) { + Hammer(deleteButton, { + preventDefault: true + }).on('tap', function (event) { + me.parent.removeFromDataSet(me); + event.stopPropagation(); + }); - var util = __webpack_require__(1); - var Node = __webpack_require__(40); + 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; + } + }; /** - * @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 + * Set HTML contents for the item + * @param {Element} element HTML element to fill with the contents + * @private */ - function Edge (properties, network, networkConstants) { - if (!network) { - throw "No network provided"; + 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 { + content = this.data.content; } - 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; - - this.from = null; // a node - this.to = null; // a node - this.via = null; // a temp node - - this.fromBackup = null; // used to clean up after reconnect - this.toBackup = null;; // used to clean up after reconnect - - // 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 = []; - - this.connected = false; - - this.widthFixed = false; - this.lengthFixed = false; - this.setProperties(properties); + 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); + } + } - this.controlNodesEnabled = false; - this.controlNodes = {from:null, to:null, positions:{}}; - this.connectedNode = null; - } + this.content = content; + } + }; /** - * Set or overwrite properties for the edge - * @param {Object} properties an object with properties - * @param {Object} constants and object with default, global properties + * Set HTML contents for the item + * @param {Element} element HTML element to fill with the contents + * @private */ - Edge.prototype.setProperties = function(properties) { - if (!properties) { - return; + Item.prototype._updateTitle = function (element) { + if (this.data.title != null) { + element.title = this.data.title || ''; } + else { + element.removeAttribute('title'); + } + }; - var fields = ['style','fontSize','fontFace','fontColor','fontFill','width', - 'widthSelectionMultiplier','hoverWidth','arrowScaleFactor','dash','inheritColor' - ]; - 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;} - - 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;} + /** + * 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 + */ + Item.prototype._updateDataAttributes = function(element) { + if (this.options.dataAttributes && this.options.dataAttributes.length > 0) { + var attributes = []; - 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; + if (Array.isArray(this.options.dataAttributes)) { + attributes = this.options.dataAttributes; + } + else if (this.options.dataAttributes == 'all') { + attributes = Object.keys(this.data); } 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;} + return; } - } - // A node is connected when it has a from and to node. - this.connect(); + for (var i = 0; i < attributes.length; i++) { + var name = attributes[i]; + var value = this.data[name]; - this.widthFixed = this.widthFixed || (properties.width !== undefined); - this.lengthFixed = this.lengthFixed || (properties.length !== undefined); + if (value != null) { + element.setAttribute('data-' + name, value); + } + else { + element.removeAttribute('data-' + name); + } + } + } + }; - this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; + /** + * Update custom styles of the element + * @param element + * @private + */ + Item.prototype._updateStyle = function(element) { + // remove old styles + if (this.style) { + util.removeCssText(element, this.style); + this.style = null; + } - // 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; + // append new styles + if (this.data.style) { + util.addCssText(element, this.data.style); + this.style = this.data.style; } }; + module.exports = Item; + + +/***/ }, +/* 31 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Group = __webpack_require__(27); + /** - * Connect an edge to its nodes + * @constructor BackgroundGroup + * @param {Number | String} groupId + * @param {Object} data + * @param {ItemSet} itemSet */ - Edge.prototype.connect = function () { - this.disconnect(); + function BackgroundGroup (groupId, data, itemSet) { + Group.call(this, groupId, data, itemSet); - this.from = this.network.nodes[this.fromId] || null; - this.to = this.network.nodes[this.toId] || null; - this.connected = (this.from && this.to); + this.width = 0; + this.height = 0; + this.top = 0; + this.left = 0; + } - 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); - } - } - }; + BackgroundGroup.prototype = Object.create(Group.prototype); /** - * Disconnect an edge from its nodes + * 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 */ - Edge.prototype.disconnect = function () { - if (this.from) { - this.from.detachEdge(this); - this.from = null; - } - if (this.to) { - this.to.detachEdge(this); - this.to = null; + BackgroundGroup.prototype.redraw = function(range, margin, restack) { + var resized = false; + + this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); + + // calculate actual size + this.width = this.dom.background.offsetWidth; + + // apply new height (just always zero for BackgroundGroup + this.dom.background.style.height = '0'; + + // 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.connected = false; + return resized; }; /** - * get the title of this edge. - * @return {string} title The title of the edge, or undefined when no title - * has been set. + * Show this group: attach to the DOM */ - Edge.prototype.getTitle = function() { - return typeof this.title === "function" ? this.title() : this.title; + BackgroundGroup.prototype.show = function() { + if (!this.dom.background.parentNode) { + this.itemSet.dom.background.appendChild(this.dom.background); + } }; + module.exports = BackgroundGroup; - /** - * Retrieve the value of the edge. Can be undefined - * @return {Number} value - */ - Edge.prototype.getValue = function() { - return this.value; - }; + +/***/ }, +/* 32 */ +/***/ function(module, exports, __webpack_require__) { + + var Item = __webpack_require__(30); + var util = __webpack_require__(1); /** - * Adjust the value range of the edge. The edge will adjust it's width - * based on its value. - * @param {Number} min - * @param {Number} max + * @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 */ - 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; + 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); + } } - }; + + Item.call(this, data, conversion, options); + } + + BoxItem.prototype = new Item (null, null, null); /** - * 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 + * 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.draw = function(ctx) { - throw "Method draw not initialized in edge"; + 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); }; /** - * 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 + * Repaint the item */ - 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; + BoxItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj); + // create main box + dom.box = document.createElement('DIV'); - return (dist < distMax); - } - else { - return false + // 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; } - }; - 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 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); } + 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.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; + } + + this._repaintDeleteButton(dom.box); }; + /** + * Show the item in the DOM (when not already displayed). The items DOM will + * be created when needed. + */ + BoxItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); + } + }; /** - * 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 + * Hide the item from the DOM (when visible) */ - Edge.prototype._drawLine = function(ctx) { - // set style - ctx.strokeStyle = this._getColor(); - ctx.lineWidth = this._getLineWidth(); + BoxItem.prototype.hide = function() { + if (this.displayed) { + var dom = this.dom; - if (this.from != this.to) { - // draw line - var via = this._line(ctx); + 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); - // 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.top = null; + this.left = null; + + this.displayed = false; } }; /** - * Get the line width of the edge. Depends on width and whether one of the - * connected nodes is selected. - * @return {Number} width - * @private + * Reposition the item horizontally + * @Override */ - Edge.prototype._getLineWidth = function() { - if (this.selected == true) { - return Math.max(Math.min(this.widthSelected, this.options.widthMax), 0.3*this.networkScaleInv); + 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; } 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); - } + // 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'; }; - Edge.prototype._getViaCoordinates = function () { - var xVia = null; - var yVia = null; - var factor = this.options.smoothCurves.roundness; - var type = this.options.smoothCurves.type; + /** + * Reposition the item vertically + * @Override + */ + BoxItem.prototype.repositionY = function() { + var orientation = this.options.orientation; + var box = this.dom.box; + var line = this.dom.line; + var dot = this.dom.dot; - 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; - } - } - } + 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; + box.style.top = (this.parent.height - this.top - this.height || 0) + 'px'; + line.style.top = (itemSetHeight - lineHeight) + 'px'; + line.style.bottom = '0'; + } - return {x:xVia, y:yVia}; + dot.style.top = (-this.props.dot.height / 2) + 'px'; }; + module.exports = BoxItem; + + +/***/ }, +/* 33 */ +/***/ function(module, exports, __webpack_require__) { + + var Item = __webpack_require__(30); + /** - * Draw a line between two nodes - * @param {CanvasRenderingContext2D} ctx - * @private + * @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 */ - 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; - } + function PointItem (data, conversion, options) { + this.props = { + dot: { + top: 0, + width: 0, + height: 0 + }, + content: { + height: 0, + marginLeft: 0 } - else { - ctx.quadraticCurveTo(this.via.x,this.via.y,this.to.x, this.to.y); - ctx.stroke(); - return this.via; + }; + + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); } } - else { - ctx.lineTo(this.to.x, this.to.y); - ctx.stroke(); - return null; - } - }; + + Item.call(this, data, conversion, options); + } + + PointItem.prototype = new Item (null, null, null); /** - * Draw a line from a node to itself, a circle - * @param {CanvasRenderingContext2D} ctx - * @param {Number} x - * @param {Number} y - * @param {Number} radius - * @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 */ - 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(); + 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); }; /** - * 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 + * Repaint the item */ - 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; - - if (this.dirtyLabel == true) { - var lines = String(text).split('\n'); - var lineCount = lines.length; - var fontSize = (Number(this.options.fontSize) + 4); - yLine = y + (1 - lineCount) / 2 * fontSize; + PointItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - 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; + // background box + dom.point = document.createElement('div'); + // className is updated in redraw() - // cache - this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; - } + // 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); - if (this.options.fontFill !== undefined && this.options.fontFill !== null && this.options.fontFill !== "none") { - ctx.fillStyle = this.options.fontFill; - ctx.fillRect(this.labelDimensions.left, - this.labelDimensions.top, - this.labelDimensions.width, - this.labelDimensions.height); - } + // attach this item as attribute + dom.point['timeline-item'] = this; - // draw text - ctx.fillStyle = this.options.fontColor || "black"; - ctx.textAlign = "center"; - ctx.textBaseline = "middle"; - yLine = this.labelDimensions.yLine; - for (var i = 0; i < lineCount; i++) { - ctx.fillText(lines[i], x, yLine); - yLine += fontSize; - } + this.dirty = true; } - }; - - /** - * 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(); - var via = null; - // only firefox and chrome support this method, else we use the legacy one. - if (ctx.mozDash !== undefined || ctx.setLineDash !== undefined) { - // 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]; + // 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; - // set dash settings for chrome or firefox - if (typeof ctx.setLineDash !== 'undefined') { //Chrome - ctx.setLineDash(pattern); - ctx.lineDashOffset = 0; + // 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); - } else { //Firefox - ctx.mozDash = pattern; - ctx.mozDashOffset = 0; - } + // 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; - // draw the line - via = this._line(ctx); + // 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; - // restore the dash settings. - if (typeof ctx.setLineDash !== 'undefined') { //Chrome - ctx.setLineDash([0]); - ctx.lineDashOffset = 0; + // resize contents + dom.content.style.marginLeft = 2 * this.props.dot.width + 'px'; + //dom.content.style.marginRight = ... + 'px'; // TODO: margin right - } else { //Firefox - ctx.mozDash = [0]; - ctx.mozDashOffset = 0; - } - } - 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(); - } + dom.dot.style.top = ((this.height - this.props.dot.height) / 2) + 'px'; + dom.dot.style.left = (this.props.dot.width / 2) + 'px'; - // 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.dirty = false; } + + this._repaintDeleteButton(dom.point); }; /** - * Get a point on a line - * @param {Number} percentage. Value between 0 (line start) and 1 (line end) - * @return {Object} point - * @private + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. */ - 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 + PointItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); } }; /** - * 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 + * Hide the item from the DOM (when visible) */ - 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) + PointItem.prototype.hide = function() { + if (this.displayed) { + if (this.dom.point.parentNode) { + this.dom.point.parentNode.removeChild(this.dom.point); + } + + this.top = null; + this.left = null; + + this.displayed = false; } }; /** - * 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 + * Reposition the item horizontally + * @Override */ - Edge.prototype._drawArrowCenter = function(ctx) { - var point; - // set style - ctx.strokeStyle = this._getColor(); - ctx.fillStyle = ctx.strokeStyle; - ctx.lineWidth = this._getLineWidth(); + PointItem.prototype.repositionX = function() { + var start = this.conversion.toScreen(this.data.start); - if (this.from != this.to) { - // draw line - var via = this._line(ctx); + this.left = start - this.props.dot.width; - 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); - } + // reposition point + this.dom.point.style.left = this.left + 'px'; + }; - ctx.arrow(point.x, point.y, angle, length); - ctx.fill(); - ctx.stroke(); + /** + * Reposition the item vertically + * @Override + */ + PointItem.prototype.repositionY = function() { + var orientation = this.options.orientation, + point = this.dom.point; - // draw label - if (this.label) { - this._label(ctx, this.label, point.x, point.y); - } + if (orientation == 'top') { + point.style.top = this.top + 'px'; } 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); + 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 } - if (node.width > node.height) { - x = node.x + node.width * 0.5; - y = node.y - radius; + }; + 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); } - else { - x = node.x + radius; - y = node.y - node.height * 0.5; + if (data.end == undefined) { + throw new Error('Property "end" missing in item ' + data.id); } - this._circle(ctx, x, y, radius); + } - // 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(); + Item.call(this, data, conversion, options); - // draw label - if (this.label) { - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); - } - } - }; + this.emptyContent = false; + } + BackgroundItem.prototype = new Item (null, null, null); + BackgroundItem.prototype.baseClassName = 'item background'; + BackgroundItem.prototype.stack = 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 + * 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._drawArrow = function(ctx) { - // set style - ctx.strokeStyle = this._getColor(); - ctx.fillStyle = ctx.strokeStyle; - ctx.lineWidth = this._getLineWidth(); + BackgroundItem.prototype.isVisible = function(range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); + }; - var angle, length; - //draw a line - if (this.from != this.to) { - 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); + /** + * Repaint the item + */ + BackgroundItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - var fromBorderDist = this.from.distanceToBorder(ctx, angle + Math.PI); - var fromBorderPoint = (edgeSegmentLength - fromBorderDist) / edgeSegmentLength; - var xFrom = (fromBorderPoint) * this.from.x + (1 - fromBorderPoint) * this.to.x; - var yFrom = (fromBorderPoint) * this.from.y + (1 - fromBorderPoint) * this.to.y; + // background box + dom.box = document.createElement('div'); + // className is updated in redraw() - var via; - if (this.options.smoothCurves.dynamic == true && this.options.smoothCurves.enabled == true ) { - via = this.via; - } - else if (this.options.smoothCurves.enabled == true) { - via = this._getViaCoordinates(); - } + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); - if (this.options.smoothCurves.enabled == true && via.x != null) { - angle = Math.atan2((this.to.y - via.y), (this.to.x - via.x)); - dx = (this.to.x - via.x); - dy = (this.to.y - via.y); - edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); - } - var toBorderDist = this.to.distanceToBorder(ctx, angle); - var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength; + // Note: we do NOT attach this item as attribute to the DOM, + // such that background items cannot be selected + //dom.box['timeline-item'] = this; - var xTo,yTo; - if (this.options.smoothCurves.enabled == true && via.x != null) { - xTo = (1 - toBorderPoint) * via.x + toBorderPoint * this.to.x; - yTo = (1 - toBorderPoint) * via.y + toBorderPoint * this.to.y; - } - else { - xTo = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; - yTo = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; - } + this.dirty = true; + } - ctx.beginPath(); - ctx.moveTo(xFrom,yFrom); - if (this.options.smoothCurves.enabled == true && via.x != null) { - ctx.quadraticCurveTo(via.x,via.y,xTo, yTo); - } - else { - ctx.lineTo(xTo, yTo); + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); + } + if (!dom.box.parentNode) { + var background = this.parent.dom.background; + if (!background) { + throw new Error('Cannot redraw item: parent has no background container element'); } - ctx.stroke(); + background.appendChild(dom.box); + } + this.displayed = true; - // draw arrow at the end of the line - length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; - ctx.arrow(xTo, yTo, angle, length); - ctx.fill(); - ctx.stroke(); + // 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); - // 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); - } - } - 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(); + // update class + var className = (this.data.className ? (' ' + this.data.className) : '') + + (this.selected ? ' selected' : ''); + dom.box.className = this.baseClassName + className; - // 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(); + // determine from css whether this box has overflow + this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; - // draw label - if (this.label) { - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); - } + // 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 + + this.dirty = false; } }; + /** + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. + */ + BackgroundItem.prototype.show = RangeItem.prototype.show; + /** + * Hide the item from the DOM (when visible) + * @return {Boolean} changed + */ + BackgroundItem.prototype.hide = RangeItem.prototype.hide; /** - * 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 + * Reposition the item horizontally + * @Override */ - 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; + 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; + } } - lastX = x; lastY = y; } - returnValue = minDistance; + + // 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 { - returnValue = this._getDistanceToLine(x1,y1,x2,y2,x3,y3); + 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 = ''; } } + // and in the case of no subgroups: 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; + // 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 { - x = node.x + radius; - y = node.y - 0.5 * node.height; + 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 = ''; } - dx = x - x3; - dy = y - y3; - returnValue = Math.abs(Math.sqrt(dx*dx + dy*dy) - radius); } + this.dom.box.style.height = height + 'px'; + }; + + module.exports = BackgroundItem; + + +/***/ }, +/* 35 */ +/***/ function(module, exports, __webpack_require__) { + + var keycharm = __webpack_require__(36); + var Emitter = __webpack_require__(11); + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); + + /** + * 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 + */ + function Activator(container) { + this.active = false; - 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.dom = { + container: container + }; - 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; + this.dom.overlay = document.createElement('div'); + this.dom.overlay.className = 'overlay'; - if (u > 1) { - u = 1; - } - else if (u < 0) { - u = 0; + 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(); - var x = x1 + u * px, - y = y1 + u * py, - dx = x - x3, - dy = y - y3; + // keycharm listener only bounded when active) + this.escListener = this.deactivate.bind(this); + } - //# 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 + // turn into an event emitter + Emitter(Activator.prototype); - return Math.sqrt(dx*dx + dy*dy); - }; + // The currently active activator + Activator.current = null; /** - * This allows the zoom level of the network to influence the rendering - * - * @param scale + * Destroy the activator. Cleans up all created DOM and event listeners */ - Edge.prototype.setScale = function(scale) { - this.networkScaleInv = 1.0/scale; - }; - + Activator.prototype.destroy = function () { + this.deactivate(); - Edge.prototype.select = function() { - this.selected = true; - }; + // remove dom + this.dom.overlay.parentNode.removeChild(this.dom.overlay); - Edge.prototype.unselect = function() { - this.selected = false; + // cleanup hammer instances + this.hammer = null; + this.windowHammer = null; + // FIXME: cleaning up hammer instances doesn't work (Timeline not removed from memory) }; - 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); + /** + * 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; + + this.active = true; + this.dom.overlay.style.display = 'none'; + util.addClassName(this.dom.container, 'vis-active'); + + this.emit('change'); + this.emit('activate'); + + // 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); }; /** - * This function draws the control nodes for the manipulator. - * In order to enable this, only set the this.controlNodesEnabled to true. - * @param ctx + * Deactivate the element + * Overlay is displayed on top of the element */ - 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:8}, - physics:{damping:0}, - clustering: {maxNodeSizeIncrements: 0 ,nodeScaling: {width:0, height: 0, radius:0}} - }; - this.controlNodes.from = new Node( - {id:nodeIdFrom, - shape:'dot', - color:{background:'#ff4e00', border:'#3c3c3c', highlight: {background:'#07f968'}} - },{},{},constants); - this.controlNodes.to = new Node( - {id:nodeIdTo, - shape:'dot', - color:{background:'#ff4e00', border:'#3c3c3c', highlight: {background:'#07f968'}} - },{},{},constants); - } - - if (this.controlNodes.from.selected == false && this.controlNodes.to.selected == false) { - this.controlNodes.positions = this.getControlNodePositions(ctx); - this.controlNodes.from.x = this.controlNodes.positions.from.x; - this.controlNodes.from.y = this.controlNodes.positions.from.y; - this.controlNodes.to.x = this.controlNodes.positions.to.x; - this.controlNodes.to.y = this.controlNodes.positions.to.y; - } + 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); - this.controlNodes.from.draw(ctx); - this.controlNodes.to.draw(ctx); - } - else { - this.controlNodes = {from:null, to:null, positions:{}}; - } + this.emit('change'); + this.emit('deactivate'); }; /** - * Enable control nodes. + * Handle a tap event: activate the container + * @param event * @private */ - Edge.prototype._enableControlNodes = function() { - this.fromBackup = this.from; - this.toBackup = this.to; - this.controlNodesEnabled = true; + Activator.prototype._onTapOverlay = function (event) { + // activate the container + this.activate(); + event.stopPropagation(); }; /** - * disable control nodes and remove from dynamicEdges from old node + * 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._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); + function _hasParent(element, parent) { + while (element) { + if (element === parent) { + return true + } + element = element.parentNode; } + return false; + } + + module.exports = Activator; - this.fromBackup = null; - this.toBackup = null; - this.controlNodesEnabled = false; - }; +/***/ }, +/* 36 */ +/***/ function(module, exports, __webpack_require__) { + var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;"use strict"; /** - * 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 + * Created by Alex on 11/6/2014. */ - 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)); - 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; + // 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 () { + function keycharm(options) { + var preventDefault = options && options.preventDefault || false; - /** - * this resets the control nodes to their original position. - * @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(); - } - }; + var _exportFunctions = {}; + var _bound = {keydown:{}, keyup:{}}; + var _keys = {}; + var i; - /** - * 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: *}}} - */ - Edge.prototype.getControlNodePositions = function(ctx) { - 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; - var xFrom = (fromBorderPoint) * this.from.x + (1 - fromBorderPoint) * this.to.x; - var yFrom = (fromBorderPoint) * this.from.y + (1 - fromBorderPoint) * this.to.y; + // 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};} - var via; - if (this.options.smoothCurves.dynamic == true && this.options.smoothCurves.enabled == true) { - via = this.via; - } - else if (this.options.smoothCurves.enabled == true) { - via = this._getViaCoordinates(); - } + // 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}; - if (this.options.smoothCurves.enabled == true && via.x != null) { - angle = Math.atan2((this.to.y - via.y), (this.to.x - via.x)); - dx = (this.to.x - via.x); - dy = (this.to.y - via.y); - edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); - } - var toBorderDist = this.to.distanceToBorder(ctx, angle); - var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength; - var xTo,yTo; - if (this.options.smoothCurves.enabled == true && via.x != null) { - xTo = (1 - toBorderPoint) * via.x + toBorderPoint * this.to.x; - yTo = (1 - toBorderPoint) * via.y + toBorderPoint * this.to.y; - } - else { - xTo = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; - yTo = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; + + var down = function(event) {handleEvent(event,'keydown');}; + var up = function(event) {handleEvent(event,'keyup');}; + + // 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}); + }; + + + // 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); + } + } + }; + + // 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 { + _bound[type][_keys[key].code] = []; + } + }; + + // reset all bound variables. + _exportFunctions.reset = function() { + _bound = {keydown:{}, keyup:{}}; + }; + + // unbind all listeners and reset all variables. + _exportFunctions.destroy = function() { + _bound = {keydown:{}, keyup:{}}; + window.removeEventListener('keydown', down, true); + window.removeEventListener('keyup', up, true); + }; + + // create listeners. + window.addEventListener('keydown',down,true); + window.addEventListener('keyup',up,true); + + // return the public functions. + return _exportFunctions; } - return {from:{x:xFrom,y:yFrom},to:{x:xTo,y:yTo}}; - }; + return keycharm; + })); + + - module.exports = Edge; /***/ }, -/* 38 */ +/* 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); /** - * @class Groups - * This class can store groups and properties specific for groups. + * 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 */ - function Groups() { - this.clear(); - this.defaultIndex = 0; - } + function TimeAxis (body, options) { + this.dom = { + foreground: null, + majorLines: [], + majorTexts: [], + minorLines: [], + minorTexts: [], + redundant: { + majorLines: [], + majorTexts: [], + minorLines: [], + minorTexts: [] + } + }; + this.props = { + range: { + start: 0, + end: 0, + minimumStep: 0 + }, + lineTop: 0 + }; + + 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); + this.body = body; - /** - * 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 - ]; + // create the HTML DOM + this._create(); + + this.setOptions(options); + } + TimeAxis.prototype = new Component(); /** - * Clear all groups + * Set options for the TimeAxis. + * Parameters will be merged in current options. + * @param {Object} options Available options: + * {string} [orientation] + * {boolean} [showMinorLabels] + * {boolean} [showMajorLabels] */ - Groups.prototype.clear = function () { - this.groups = {}; - this.groups.length = function() - { - var i = 0; - for ( var p in this ) { - if (this.hasOwnProperty(p)) { - i++; + 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 { + moment.lang(options.locale); } } - return i; } }; - /** - * 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 + * Create the HTML DOM for the TimeAxis */ - 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; - } + TimeAxis.prototype._create = function() { + this.dom.foreground = document.createElement('div'); + this.dom.background = document.createElement('div'); - return group; + this.dom.foreground.className = 'timeaxis foreground'; + this.dom.background.className = 'timeaxis background'; }; /** - * Add a custom group style - * @param {String} groupname - * @param {Object} style An object containing borderColor, - * backgroundColor, etc. - * @return {Object} group The created group object + * Destroy the TimeAxis */ - Groups.prototype.add = function (groupname, style) { - this.groups[groupname] = style; - if (style.color) { - style.color = util.parseColor(style.color); + 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); } - return style; - }; - - module.exports = Groups; - -/***/ }, -/* 39 */ -/***/ function(module, exports, __webpack_require__) { + this.body = null; + }; /** - * @class Images - * This class loads images and keeps them stored. + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - function Images() { - this.images = {}; + TimeAxis.prototype.redraw = function () { + var options = this.options; + var props = this.props; + var foreground = this.dom.foreground; + var background = this.dom.background; - this.callback = undefined; - } + // 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); - /** - * 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; - }; + // calculate character width and height + this._calculateCharSize(); - /** - * - * @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]; - if (img == undefined) { - // create the image - var images = this; - img = new Image(); - this.images[url] = img; - img.onload = function() { - if (images.callback) { - images.callback(this); - } - }; - - img.onerror = function () { - this.src = brokenUrl; - if (images.callback) { - images.callback(this); - } - }; - - img.src = url; - } + // 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 img; - }; + // 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; - module.exports = Images; + 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); + foreground.style.height = this.props.height + 'px'; -/***/ }, -/* 40 */ -/***/ function(module, exports, __webpack_require__) { + this._repaintLabels(); - var util = __webpack_require__(1); + // 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) + } + + return this._isResized() || parentChanged; + }; /** - * @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 - * + * Repaint major and minor text labels and vertical grid lines + * @private */ - function Node(properties, imagelist, grouplist, networkConstants) { - var constants = util.selectiveBridgeObject(['nodes'],networkConstants); - this.options = constants.nodes; - - this.selected = false; - this.hover = false; + TimeAxis.prototype._repaintLabels = function () { + var orientation = this.options.orientation; - this.edges = []; // all edges connected to this node - this.dynamicEdges = []; - this.reroutedEdges = {}; + // 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(); - this.fontDrawThreshold = 3; + 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; - // set defaults for the properties - this.id = undefined; - this.x = null; - this.y = null; - 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 + // 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.majorLines = dom.majorLines; + dom.redundant.majorTexts = dom.majorTexts; + dom.redundant.minorLines = dom.minorLines; + dom.redundant.minorTexts = dom.minorTexts; + dom.majorLines = []; + dom.majorTexts = []; + dom.minorLines = []; + dom.minorTexts = []; + step.first(); + var xFirstMajorLabel = undefined; + var max = 0; + while (step.hasNext() && max < 1000) { + max++; + var cur = step.getCurrent(); + var x = this.body.util.toScreen(cur); + var isMajor = step.isMajor(); - this.imagelist = imagelist; - this.grouplist = grouplist; - // 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.damping = networkConstants.physics.damping; // written every time gravity is calculated - this.fixedData = {x:null,y:null}; + // TODO: lines must have a width, such that we can create css backgrounds - this.setProperties(properties, constants); + if (this.options.showMinorLabels) { + this._repaintMinorText(x, step.getLabelMinor(), orientation); + } - // 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; + if (isMajor && this.options.showMajorLabels) { + if (x > 0) { + if (xFirstMajorLabel == undefined) { + xFirstMajorLabel = x; + } + this._repaintMajorText(x, step.getLabelMajor(), orientation); + } + this._repaintMajorLine(x, orientation); + } + else { + this._repaintMinorLine(x, orientation); + } - // 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; - } + step.next(); + } - /** - * (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 = []; - }; + // 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 - /** - * Attach a edge to the node - * @param {Edge} edge - */ - 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); + if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { + this._repaintMajorText(0, leftText, orientation); + } } - this.dynamicEdgesLength = this.dynamicEdges.length; + + // 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); + } + } + }); }; /** - * Detach a edge from the node - * @param {Edge} edge + * Create a minor label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @private */ - 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); + TimeAxis.prototype._repaintMinorText = function (x, text, orientation) { + // 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); + label.className = 'text minor'; + this.dom.foreground.appendChild(label); } - this.dynamicEdgesLength = this.dynamicEdges.length; - }; + 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.title = title; // TODO: this is a heavy operation + }; /** - * Set or overwrite properties for the node - * @param {Object} properties an object with properties - * @param {Object} constants and object with default, global properties + * Create a Major label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @private */ - Node.prototype.setProperties = function(properties, constants) { - if (!properties) { - return; + TimeAxis.prototype._repaintMajorText = function (x, text, orientation) { + // reuse redundant label + var label = this.dom.redundant.majorTexts.shift(); + + if (!label) { + // create label + var content = document.createTextNode(text); + label = document.createElement('div'); + label.className = 'text major'; + label.appendChild(content); + this.dom.foreground.appendChild(label); } + this.dom.majorTexts.push(label); - var fields = ['borderWidth','borderWidthSelected','shape','image','brokenImage','radius','fontColor', - 'fontSize','fontFace','fontFill','group','mass' - ]; - util.selectiveDeepExtend(fields, this.options, properties); + label.childNodes[0].nodeValue = text; + //label.title = title; // TODO: this is a heavy operation - // 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;} + label.style.top = (orientation == 'top') ? '0' : (this.props.minorLabelHeight + 'px'); + label.style.left = x + 'px'; + }; - // 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;} + /** + * Create a minor line for the axis at position x + * @param {Number} x + * @param {String} orientation "top" or "bottom" (default) + * @private + */ + TimeAxis.prototype._repaintMinorLine = function (x, orientation) { + // reuse redundant line + var line = this.dom.redundant.minorLines.shift(); - if (this.id === undefined) { - throw "Node must have an id"; + if (!line) { + // create vertical line + line = document.createElement('div'); + line.className = 'grid vertical minor'; + this.dom.background.appendChild(line); } + this.dom.minorLines.push(line); - // 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); - for (var prop in groupObj) { - if (groupObj.hasOwnProperty(prop)) { - this.options[prop] = groupObj[prop]; - } - } + var props = this.props; + if (orientation == 'top') { + line.style.top = props.majorLabelHeight + 'px'; } - - - // 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"; - } + else { + line.style.top = this.body.domProps.top.height + 'px'; } + line.style.height = props.minorLineHeight + 'px'; + line.style.left = (x - props.minorLineWidth / 2) + 'px'; + }; - if (properties.allowedToMoveX !== undefined) { - this.xFixed = !properties.allowedToMoveX; - this.allowedToMoveX = properties.allowedToMoveX; - } - else if (properties.x !== undefined && this.allowedToMoveX == false) { - this.xFixed = true; + /** + * Create a Major line for the axis at position x + * @param {Number} x + * @param {String} orientation "top" or "bottom" (default) + * @private + */ + TimeAxis.prototype._repaintMajorLine = function (x, orientation) { + // reuse redundant line + var line = this.dom.redundant.majorLines.shift(); + + if (!line) { + // create vertical line + line = document.createElement('DIV'); + line.className = 'grid vertical major'; + this.dom.background.appendChild(line); } + this.dom.majorLines.push(line); - - if (properties.allowedToMoveY !== undefined) { - this.yFixed = !properties.allowedToMoveY; - this.allowedToMoveY = properties.allowedToMoveY; + var props = this.props; + if (orientation == 'top') { + line.style.top = '0'; } - else if (properties.y !== undefined && this.allowedToMoveY == false) { - this.yFixed = true; + else { + line.style.top = this.body.domProps.top.height + 'px'; } + line.style.left = (x - props.majorLineWidth / 2) + 'px'; + line.style.height = props.majorLineHeight + 'px'; + }; - this.radiusFixed = this.radiusFixed || (properties.radius !== undefined); + /** + * 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 + */ + 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. - if (this.options.shape == 'image') { - this.options.radiusMin = constants.nodes.widthMin; - this.options.radiusMax = constants.nodes.widthMax; - } + // 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'; + 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'; - // 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 '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; + this.dom.measureCharMajor.appendChild(document.createTextNode('0')); + this.dom.foreground.appendChild(this.dom.measureCharMajor); } - // reset the size of the node, this can be changed - this._reset(); - + this.props.majorCharHeight = this.dom.measureCharMajor.clientHeight; + this.props.majorCharWidth = this.dom.measureCharMajor.clientWidth; }; /** - * select this node + * 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 */ - Node.prototype.select = function() { - this.selected = true; - this._reset(); + TimeAxis.prototype.snap = function(date) { + return this.step.snap(date); }; - /** - * unselect this node - */ - Node.prototype.unselect = function() { - this.selected = false; - this._reset(); - }; + module.exports = TimeAxis; - /** - * Reset the calculated size of the node, forces it to recalculate its size - */ - Node.prototype.clearSizeCache = function() { - this._reset(); - }; +/***/ }, +/* 38 */ +/***/ function(module, exports, __webpack_require__) { + + var moment = __webpack_require__(2); + var DateUtil = __webpack_require__(24); + var util = __webpack_require__(1); /** - * Reset the calculated size of the node, forces it to recalculate its size - * @private + * @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 */ - Node.prototype._reset = function() { - this.width = undefined; - this.height = undefined; + function TimeStep(start, end, minimumStep, hiddenDates) { + // variables + this.current = new Date(); + this._start = new Date(); + this._end = new Date(); + + this.autoScale = true; + this.scale = 'day'; + this.step = 1; + + // initialize the range + this.setRange(start, end, minimumStep); + + // hidden Dates options + this.switchedDay = false; + this.switchedMonth = false; + this.switchedYear = false; + this.hiddenDates = hiddenDates; + if (hiddenDates === undefined) { + this.hiddenDates = []; + } + + this.format = TimeStep.FORMAT; // default formatting + } + + // 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: '' + } }; /** - * get the title of this node. - * @return {string} title The title of the node, or undefined when no title - * has been set. + * 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 */ - Node.prototype.getTitle = function() { - return typeof this.title === "function" ? this.title() : this.title; + TimeStep.prototype.setFormat = function (format) { + var defaultFormat = util.deepExtend({}, TimeStep.FORMAT); + this.format = util.deepExtend(defaultFormat, 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 + * 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 */ - Node.prototype.distanceToBorder = function (ctx, angle) { - var borderWidth = 1; - - if (!this.width) { - this.resize(ctx); + TimeStep.prototype.setRange = function(start, end, minimumStep) { + if (!(start instanceof Date) || !(end instanceof Date)) { + throw "No legal start or end date in method setRange"; } - 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); - - // TODO: implement distanceToBorder for database - // TODO: implement distanceToBorder for triangle - // TODO: implement distanceToBorder for triangleDown - - 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; - } + this._start = (start != undefined) ? new Date(start.valueOf()) : new Date(); + this._end = (end != undefined) ? new Date(end.valueOf()) : new Date(); + if (this.autoScale) { + this.setMinimumStep(minimumStep); } - // 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; }; /** - * Add forces acting on the node - * @param {number} fx Force in horizontal direction - * @param {number} fy Force in vertical direction - * @private + * Set the range iterator to the start date. */ - Node.prototype._addForce = function(fx, fy) { - this.fx += fx; - this.fy += fy; + TimeStep.prototype.first = function() { + this.current = new Date(this._start.valueOf()); + this.roundToMinor(); }; /** - * Perform one discrete step for the node - * @param {number} interval Time interval in seconds + * Round the current date to the first minor date value + * This must be executed once when the current date is set to start Date */ - Node.prototype.discreteStep = function(interval) { - 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; + 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 } - 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; + 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; + } } }; - + /** + * 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()); + }; /** - * Perform one discrete step for the node - * @param {number} interval Time interval in seconds - * @param {number} maxVelocity The speed limit imposed on the velocity + * Do the next step */ - Node.prototype.discreteStepLimited = function(interval, maxVelocity) { - 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 + 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': + + 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 { - this.fx = 0; - this.vx = 0; + 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; + } } - 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 + 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; + } } - else { - this.fy = 0; - this.vy = 0; + + // safety mechanism: if current time is still unchanged, move to the end + if (this.current.valueOf() == prev) { + this.current = new Date(this._end.valueOf()); } - }; - /** - * 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); + DateUtil.stepOverHiddenDates(this, prev); }; - /** - * 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 + * Get the current datetime + * @return {Date} current The current date */ - Node.prototype.isSelected = function() { - return this.selected; + TimeStep.prototype.getCurrent = function() { + return this.current; }; /** - * Retrieve the value of the node. Can be undefined - * @return {Number} value + * 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.getValue = function() { - return this.value; + TimeStep.prototype.setScale = function(newScale, newStep) { + this.scale = newScale; + + if (newStep > 0) { + this.step = newStep; + } + + this.autoScale = false; }; /** - * Calculate the distance from the nodes location to the given location (x,y) - * @param {Number} x - * @param {Number} y - * @return {Number} value + * Enable or disable autoscaling + * @param {boolean} enable If true, autoascaling is set true */ - Node.prototype.getDistance = function(x, y) { - var dx = this.x - x, - dy = this.y - y; - return Math.sqrt(dx * dx + dy * dy); + TimeStep.prototype.setAutoScale = function (enable) { + this.autoScale = enable; }; /** - * Adjust the value range of the node. The node will adjust it's radius - * based on its value. - * @param {Number} min - * @param {Number} max + * Automatically determine the scale that bests fits the provided minimum step + * @param {Number} [minimumStep] The minimum step size in milliseconds */ - 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; - } + TimeStep.prototype.setMinimumStep = function(minimumStep) { + if (minimumStep == undefined) { + return; } - this.baseRadiusValue = this.options.radius; - }; - /** - * 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"; - }; + //var b = asc + ds; - /** - * 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"; + 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); + + // 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;} }; /** - * 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 + * 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 */ - 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 + TimeStep.prototype.snap = function(date) { + var clone = new Date(date.valueOf()); - 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; - } + 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 { - width = this.imageObj.width; - height = this.imageObj.height; + clone.setDate(1); } - this.width = width; - this.height = height; - 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; + 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); } - - }; - - Node.prototype._drawImage = function (ctx) { - this._resizeImage(ctx); - - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - - var yLabel; - 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); + 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; } - - // draw the image - ctx.globalAlpha = 1.0; - ctx.drawImage(this.imageObj, this.left, this.top, this.width, this.height); - yLabel = this.y + this.height / 2; + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); } - else { - // image still loading... just draw the label for now - yLabel = this.y; + 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._label(ctx, this.label, this.x, yLabel, undefined, "top"); + 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; }; + /** + * 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. + */ + 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; + } + } - 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; - + 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; } }; - Node.prototype._drawBox = function (ctx) { - this._resizeBox(ctx); - - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - - 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; + /** + * 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 + */ + TimeStep.prototype.getLabelMinor = function(date) { + if (date == undefined) { + date = 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); + var format = this.format.minorLabels[this.scale]; + return (format && format.length > 0) ? moment(date).format(format) : ''; + }; - 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(); + /** + * 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 + */ + TimeStep.prototype.getLabelMajor = function(date) { + if (date == undefined) { + date = this.current; } - 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.options.color.background; + var format = this.format.majorLabels[this.scale]; + return (format && format.length > 0) ? moment(date).format(format) : ''; + }; - ctx.roundRect(this.left, this.top, this.width, this.height, this.options.radius); - ctx.fill(); - ctx.stroke(); + module.exports = TimeStep; - this._label(ctx, this.label, this.x, this.y); - }; +/***/ }, +/* 39 */ +/***/ function(module, exports, __webpack_require__) { - 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; + var util = __webpack_require__(1); + var Component = __webpack_require__(23); + var moment = __webpack_require__(2); + var locales = __webpack_require__(40); - // 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; - } - }; + /** + * 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; - Node.prototype._drawDatabase = function (ctx) { - this._resizeDatabase(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + // default options + this.defaultOptions = { + showCurrentTime: true, - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + locales: locales, + locale: 'en' + }; + this.options = util.extend({}, this.defaultOptions); + this.offset = 0; - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + this._create(); - // 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); + this.setOptions(options); + } - 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); + CurrentTime.prototype = new 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(); + /** + * Create the HTML DOM for the current time bar + * @private + */ + 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._label(ctx, this.label, this.x, this.y); + this.bar = bar; }; + /** + * Destroy the CurrentTime bar + */ + CurrentTime.prototype.destroy = function () { + this.options.showCurrentTime = false; + this.redraw(); // will remove the bar from the DOM and stop refreshing - 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.width = diameter; - this.height = diameter; + this.body = null; + }; - // 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} [showCurrentTime] + */ + CurrentTime.prototype.setOptions = function(options) { + if (options) { + // copy all options that we know + util.selectiveExtend(['showCurrentTime', 'locale', 'locales'], this.options, options); } }; - Node.prototype._drawCircle = function (ctx) { - this._resizeCircle(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + /** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ + 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); - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + this.start(); + } - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + var now = new Date(new Date().valueOf() + this.offset); + var x = this.body.util.toScreen(now); - // 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 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); - ctx.circle(this.x, this.y, this.options.radius+2*ctx.lineWidth); - ctx.stroke(); + this.bar.style.left = x + 'px'; + this.bar.title = title; } - 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; - ctx.circle(this.x, this.y, this.options.radius); - ctx.fill(); - ctx.stroke(); - - this._label(ctx, this.label, this.x, this.y); - }; - - 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; + else { + // remove the line from the DOM + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(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; + this.stop(); } - }; - 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; + /** + * Start auto refreshing the current time bar + */ + CurrentTime.prototype.start = function() { + var me = this; - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + function update () { + me.stop(); - // 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); + // 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; - 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); + me.redraw(); - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; + // start a timer to adjust for the new time + me.currentTimeTimer = setTimeout(update, interval); + } - ctx.ellipse(this.left, this.top, this.width, this.height); - ctx.fill(); - ctx.stroke(); - this._label(ctx, this.label, this.x, this.y); + update(); }; - Node.prototype._drawDot = function (ctx) { - this._drawShape(ctx, 'circle'); + /** + * Stop auto refreshing the current time bar + */ + CurrentTime.prototype.stop = function() { + if (this.currentTimeTimer !== undefined) { + clearTimeout(this.currentTimeTimer); + delete this.currentTimeTimer; + } }; - Node.prototype._drawTriangle = function (ctx) { - this._drawShape(ctx, 'triangle'); + /** + * 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(); }; - Node.prototype._drawTriangleDown = function (ctx) { - this._drawShape(ctx, 'triangleDown'); + /** + * Get the current time. + * @return {Date} Returns the current time. + */ + CurrentTime.prototype.getCurrentTime = function() { + return new Date(new Date().valueOf() + this.offset); }; - Node.prototype._drawSquare = function (ctx) { - this._drawShape(ctx, 'square'); - }; + module.exports = CurrentTime; - Node.prototype._drawStar = function (ctx) { - this._drawShape(ctx, 'star'); - }; - 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; +/***/ }, +/* 40 */ +/***/ function(module, exports, __webpack_require__) { - // 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; - } + // English + exports['en'] = { + current: 'current', + time: 'time' }; + exports['en_EN'] = exports['en']; + exports['en_US'] = exports['en']; - Node.prototype._drawShape = function (ctx, shape) { - this._resizeShape(ctx); + // Dutch + exports['nl'] = { + custom: 'aangepaste', + time: 'tijd' + }; + exports['nl_NL'] = exports['nl']; + exports['nl_BE'] = exports['nl']; - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - var radiusMultiplier = 2; +/***/ }, +/* 41 */ +/***/ function(module, exports, __webpack_require__) { - // 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; - } + 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.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); + /** + * A custom time bar + * @param {{range: Range, dom: Object}} body + * @param {Object} [options] Available parameters: + * {Boolean} [showCustomTime] + * @constructor CustomTime + * @extends Component + */ - 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); + function CustomTime (body, options) { + this.body = body; - 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(); + // default options + this.defaultOptions = { + showCustomTime: false, + locales: locales, + locale: 'en' + }; + this.options = util.extend({}, this.defaultOptions); - if (this.label) { - this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'top',true); - } - }; + this.customTime = new Date(); + this.eventParams = {}; // stores state parameters while dragging the bar - 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; + // create the DOM + this._create(); - // 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); - } - }; + this.setOptions(options); + } - Node.prototype._drawText = function (ctx) { - this._resizeText(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + CustomTime.prototype = new Component(); - this._label(ctx, this.label, this.x, this.y); + /** + * 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); + } }; + /** + * 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; - 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; + 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); - var lines = text.split('\n'); - var lineCount = lines.length; - var fontSize = (Number(this.options.fontSize) + 4); // TODO: why is this +4 ? - var yLine = y + (1 - lineCount) / 2 * fontSize; - if (labelUnderNode == true) { - yLine = y + (1 - lineCount) / (2 * fontSize); - } + // 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)); + }; - // 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 == "top") { - top += 0.5 * fontSize; - } - this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; + /** + * Destroy the CustomTime bar + */ + CustomTime.prototype.destroy = function () { + this.options.showCustomTime = false; + this.redraw(); // will remove the bar from the DOM - // 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); - } + this.hammer.enable(false); + this.hammer = null; - // draw text - ctx.fillStyle = this.options.fontColor || "black"; - ctx.textAlign = align || "center"; - ctx.textBaseline = baseline || "middle"; - for (var i = 0; i < lineCount; i++) { - ctx.fillText(lines[i], x, yLine); - yLine += fontSize; - } - } + this.body = null; }; + /** + * 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); + } - Node.prototype.getTextSize = function(ctx) { - if (this.label !== undefined) { - ctx.font = (this.selected ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; - - var lines = this.label.split('\n'), - height = (Number(this.options.fontSize) + 4) * lines.length, - width = 0; + var x = this.body.util.toScreen(this.customTime); - for (var i = 0, iMax = lines.length; i < iMax; i++) { - width = Math.max(width, ctx.measureText(lines[i]).width); - } + 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); - return {"width": width, "height": height}; + this.bar.style.left = x + 'px'; + this.bar.title = title; } else { - return {"width": 0, "height": 0}; + // remove the line from the DOM + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); + } } + + return false; }; /** - * 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 custom time. + * @param {Date | number | string} time */ - 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; - } + CustomTime.prototype.setCustomTime = function(time) { + this.customTime = util.convert(time, 'Date'); + this.redraw(); }; /** - * checks if the core of the node is in the display area, this is used for opening clusters around zoom - * @returns {boolean} + * Retrieve the current custom time. + * @return {Date} customTime */ - 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); + CustomTime.prototype.getCustomTime = function() { + return new Date(this.customTime.valueOf()); }; /** - * 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 + * Start moving horizontally + * @param {Event} event + * @private */ - Node.prototype.setScaleAndPos = function(scale,canvasTopLeft,canvasBottomRight) { - this.networkScaleInv = 1.0/scale; - this.networkScale = scale; - this.canvasTopLeft = canvasTopLeft; - this.canvasBottomRight = canvasBottomRight; - }; + CustomTime.prototype._onDragStart = function(event) { + this.eventParams.dragging = true; + this.eventParams.customTime = this.customTime; + event.stopPropagation(); + event.preventDefault(); + }; /** - * This allows the zoom level of the network to influence the rendering - * - * @param scale + * Perform moving operating. + * @param {Event} event + * @private */ - Node.prototype.setScale = function(scale) { - this.networkScaleInv = 1.0/scale; - this.networkScale = scale; - }; + 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); - /** - * 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; - }; + // fire a timechange event + this.body.emitter.emit('timechange', { + time: new Date(this.customTime.valueOf()) + }); + event.stopPropagation(); + event.preventDefault(); + }; /** - * Basic preservation of (kinectic) energy - * - * @param massBeforeClustering + * Stop moving operating. + * @param {event} event + * @private */ - 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); + 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()) + }); + + event.stopPropagation(); + event.preventDefault(); }; - module.exports = Node; + module.exports = CustomTime; /***/ }, -/* 41 */ +/* 42 */ /***/ function(module, exports, __webpack_require__) { + 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); + /** - * 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. + * 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 Popup(container, x, y, text, style) { - if (container) { - this.container = container; - } - else { - this.container = document.body; + 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; } - // 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' - } - } + 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); + + // all components listed here will be repainted automatically + this.components = []; + + 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) } + }; + + // 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.linegraph = new LineGraph(this.body); + this.components.push(this.linegraph); + + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + + // apply options + if (options) { + this.setOptions(options); + } + + // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! + if (groups) { + this.setGroups(groups); + } + + // create itemset + if (items) { + this.setItems(items); + } + else { + this.redraw(); } + } + + // Extend the functionality from Core + Graph2d.prototype = new Core(); - this.x = 0; - this.y = 0; - this.padding = 5; + /** + * Set items + * @param {vis.DataSet | Array | google.visualization.DataTable | null} items + */ + Graph2d.prototype.setItems = function(items) { + var initialLoad = (this.itemsData == null); - if (x !== undefined && y !== undefined ) { - this.setPosition(x, y); + // convert to type DataSet when needed + var newDataSet; + if (!items) { + newDataSet = null; } - if (text !== undefined) { - this.setText(text); + 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' + } + }); } - // 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); - } + // set items + this.itemsData = newDataSet; + this.linegraph && this.linegraph.setItems(newDataSet); - /** - * @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); + 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; + + this.setWindow(start, end, {animate: false}); + } + else { + this.fit({animate: false}); + } + } }; /** - * Set the content for the popup window. This can be HTML code or text. - * @param {string | Element} content + * Set groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groups */ - Popup.prototype.setText = function(content) { - if (content instanceof Element) { - this.frame.innerHTML = ''; - this.frame.appendChild(content); + 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 { - this.frame.innerHTML = content; // string containing text or HTML + // turn an array into a dataset + newDataSet = new DataSet(groups); } + + this.groupsData = newDataSet; + this.linegraph.setGroups(newDataSet); }; /** - * Show the popup window - * @param {boolean} show Optional. Show or hide the window + * 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 */ - Popup.prototype.show = function (show) { - if (show === undefined) { - show = true; + 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; + } + } - 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; - } - if (top < this.padding) { - top = this.padding; - } - - var left = this.x; - if (left + width + this.padding > maxWidth) { - left = maxWidth - width - this.padding; - } - if (left < this.padding) { - left = this.padding; - } - - this.frame.style.left = left + "px"; - this.frame.style.top = top + "px"; - this.frame.style.visibility = "visible"; + /** + * 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 { - this.hide(); + return false; } - }; + } + /** - * Hide the popup window + * 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 */ - Popup.prototype.hide = function () { - this.frame.style.visibility = "hidden"; + 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; + } + } + } + } + + return { + min: (min != null) ? new Date(min) : null, + max: (max != null) ? new Date(max) : null + }; }; - module.exports = Popup; + + + module.exports = Graph2d; /***/ }, -/* 42 */ +/* 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__(45); + var GraphGroup = __webpack_require__(46); + var Legend = __webpack_require__(50); + var BarGraphFunctions = __webpack_require__(49); + + var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items + /** - * 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 + * This is the constructor of the LineGraph. It requires a Timeline body and options. * - * @param {String} data Text containing a graph in DOT-notation - * @return {Object} graph An object containing two parameters: - * {Object[]} nodes - * {Object[]} edges + * @param body + * @param options + * @constructor */ - function parseDOT (data) { - dot = data; - return parseGraph(); - } + function LineGraph(body, options) { + this.id = util.randomUUID(); + this.body = body; - // token types enumeration - var TOKENTYPE = { - NULL : 0, - DELIMITER : 1, - IDENTIFIER: 2, - UNKNOWN : 3 - }; + 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: {} + } + }; - // map with all delimiters - var DELIMITERS = { - '{': true, - '}': true, - '[': true, - ']': true, - ';': true, - '=': true, - ',': true, + // 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.autoSizeSVG = false; - '->': true, - '--': true - }; + var me = this; + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet - 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 + // 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); + } + }; - /** - * 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); - } + // 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); + } + }; - /** - * 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); - } + 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 - /** - * Preview the next character from the dot file. - * @return {String} cNext - */ - function nextPreview() { - return dot.charAt(index + 1); - } + 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.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'); - /** - * 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); } + LineGraph.prototype = new Component(); + /** - * Merge all properties of object b into object b - * @param {Object} a - * @param {Object} b - * @return {Object} a + * Create the HTML DOM for the ItemSet */ - function merge (a, b) { - if (!a) { - a = {}; - } + LineGraph.prototype._create = function(){ + var frame = document.createElement('div'); + frame.className = 'LineGraph'; + this.dom.frame = frame; - if (b) { - for (var name in b) { - if (b.hasOwnProperty(name)) { - a[name] = b[name]; - } - } - } - return a; - } + // 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(); + }; /** - * 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 + * set the options of the LineGraph. the mergeOptions is used for subObjects that have an enabled element. + * @param {object} options */ - 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]; + LineGraph.prototype.setOptions = function(options) { + if (options) { + var fields = ['sampling','defaultGroup','graphHeight','yAxisOrientation','style','barChart','dataAxis','sort','groups']; + if (options.graphHeight === undefined && options.height !== undefined && this.body.domProps.centerContainer.height !== undefined) { + this.autoSizeSVG = true; } - else { - // this is the end point - o[key] = value; + else if (this.body.domProps.centerContainer.height !== undefined && options.graphHeight !== undefined) { + if (parseInt((options.graphHeight + '').replace("px",'')) < this.body.domProps.centerContainer.height) { + this.autoSizeSVG = 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 - */ - function addNode(graph, node) { - var i, len; - var current = null; + 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'); - // 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; - } + 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; + } + } + } + } - // 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; + if (this.yAxisLeft) { + if (options.dataAxis !== undefined) { + this.yAxisLeft.setOptions(this.options.dataAxis); + this.yAxisRight.setOptions(this.options.dataAxis); } } - } - if (!current) { - // this is a new node - current = { - id: node.id - }; - if (graph.node) { - // clone default attributes - current.attr = merge(current.attr, graph.node); + if (this.legendLeft) { + if (options.legend !== undefined) { + this.legendLeft.setOptions(this.options.legend); + this.legendRight.setOptions(this.options.legend); + } } - } - - // add node to this (sub)graph and all its parent graphs - for (i = graphs.length - 1; i >= 0; i--) { - var g = graphs[i]; - if (!g.nodes) { - g.nodes = []; - } - if (g.nodes.indexOf(current) == -1) { - g.nodes.push(current); + if (this.groups.hasOwnProperty(UNGROUPED)) { + this.groups[UNGROUPED].setOptions(options); } } - // merge attributes - if (node.attr) { - current.attr = merge(current.attr, node.attr); + // this is used to redraw the graph if the visibility of the groups is changed. + if (this.dom.frame) { + this.redraw(true); } - } + }; /** - * Add an edge to a graph object - * @param {Object} graph - * @param {Object} edge + * Hide the component from the DOM */ - 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.hide = function() { + // remove the frame containing the items + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); } - } + }; + /** - * 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 + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed */ - 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.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); } - edge.attr = merge(edge.attr || {}, attr); // merge attributes + }; - return edge; - } /** - * Get next token in the current dot file. - * The token and token type are available as token and tokenType + * Set items + * @param {vis.DataSet | null} items */ - function getToken() { - tokenType = TOKENTYPE.NULL; - token = ''; + LineGraph.prototype.setItems = function(items) { + var me = this, + ids, + oldItemsData = this.itemsData; - // skip over whitespaces - while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter - next(); + // replace the dataset + if (!items) { + this.itemsData = null; } - - 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--; - } - 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; - } - - // skip over whitespaces - while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter - next(); - } + else if (items instanceof DataSet || items instanceof DataView) { + this.itemsData = items; } - while (isComment); - - // check for end of dot file - if (c == '') { - // token is still empty - tokenType = TOKENTYPE.DELIMITER; - return; + else { + throw new TypeError('Data must be an instance of DataSet or DataView'); } - // check for delimiters consisting of 2 characters - var c2 = c + nextPreview(); - if (DELIMITERS[c2]) { - tokenType = TOKENTYPE.DELIMITER; - token = c2; - next(); - next(); - return; - } + if (oldItemsData) { + // unsubscribe from old dataset + util.forEach(this.itemListeners, function (callback, event) { + oldItemsData.off(event, callback); + }); - // check for delimiters consisting of 1 character - if (DELIMITERS[c]) { - tokenType = TOKENTYPE.DELIMITER; - token = c; - next(); - return; + // remove all drawn items + ids = oldItemsData.getIds(); + this._onRemove(ids); } - // 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(); - - 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; - } + if (this.itemsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.itemListeners, function (callback, event) { + me.itemsData.on(event, callback, id); + }); - // 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; + // add all new items + ids = this.itemsData.getIds(); + this._onAdd(ids); } + this._updateUngrouped(); + //this._updateGraph(); + this.redraw(true); + }; - // 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) + '"'); - } /** - * Parse a graph. - * @returns {Object} graph + * Set groups + * @param {vis.DataSet} groups */ - function parseGraph() { - var graph = {}; + LineGraph.prototype.setGroups = function(groups) { + var me = this; + var ids; - first(); - getToken(); + // unsubscribe from current dataset + if (this.groupsData) { + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.unsubscribe(event, callback); + }); - // optional strict keyword - if (token == 'strict') { - graph.strict = true; - getToken(); + // remove all drawn groups + ids = this.groupsData.getIds(); + this.groupsData = null; + this._onRemoveGroups(ids); // note: this will cause a redraw } - // graph or digraph keyword - if (token == 'graph' || token == 'digraph') { - graph.type = token; - getToken(); + // replace the dataset + if (!groups) { + this.groupsData = null; } - - // optional graph id - if (tokenType == TOKENTYPE.IDENTIFIER) { - graph.id = token; - getToken(); + else if (groups instanceof DataSet || groups instanceof DataView) { + this.groupsData = groups; } - - // open angle bracket - if (token != '{') { - throw newSyntaxError('Angle bracket { expected'); + else { + throw new TypeError('Data must be an instance of DataSet or DataView'); } - getToken(); - // statements - parseStatements(graph); + if (this.groupsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.on(event, callback, id); + }); - // close angle bracket - if (token != '}') { - throw newSyntaxError('Angle bracket } expected'); + // draw all ms + ids = this.groupsData.getIds(); + this._onAddGroups(ids); } - getToken(); + this._onUpdate(); + }; - // end of file - if (token !== '') { - throw newSyntaxError('End of file expected'); + + /** + * Update the data + * @param [ids] + * @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]); } - getToken(); - // remove temporary default properties - delete graph.node; - delete graph.edge; - delete graph.graph; + //this._updateGraph(); + this.redraw(true); + }; + LineGraph.prototype._onAddGroups = function (groupIds) {this._onUpdateGroups(groupIds);}; - return graph; - } /** - * Parse a list with statements. - * @param {Object} graph + * this cleans the group out off the legends and the dataaxis, updates the ungrouped and updates the graph + * @param {Array} groupIds + * @private */ - function parseStatements (graph) { - while (token !== '' && token != '}') { - parseStatement(graph); - if (token == ';') { - getToken(); + 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]]; } } - } + this._updateUngrouped(); + //this._updateGraph(); + this.redraw(true); + }; + /** - * 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 + * update a group object with the group dataset entree + * + * @param group + * @param groupId + * @private */ - function parseStatement(graph) { - // parse subgraph - var subgraph = parseSubgraph(graph); - if (subgraph) { - // edge statements - parseEdge(graph, subgraph); - - return; - } - - // parse an attribute statement - var attr = parseAttributeStatement(graph); - if (attr) { - return; - } - - // parse node - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Identifier expected'); - } - var id = token; // id can be a string or a number - getToken(); - - if (token == '=') { - // id statement - getToken(); - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Identifier expected'); + 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]); } - graph[id] = token; - getToken(); - // TODO: implement comma separated list with "a_list: ID=ID [','] [a_list] " } else { - parseNodeStatement(graph, id); + 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(); + }; + /** - * Parse a subgraph - * @param {Object} graph parent graph object - * @return {Object | null} subgraph + * this updates all groups, it is used when there is an update the the itemset. + * + * @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._updateAllGroupData = function () { + if (this.itemsData != null) { + var groupsContent = {}; + var groupId; + for (groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + groupsContent[groupId] = []; + } } - } - - // open angle bracket - if (token == '{') { - getToken(); - - if (!subgraph) { - subgraph = {}; + 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); + } } - subgraph.parent = graph; - subgraph.node = graph.node; - subgraph.edge = graph.edge; - subgraph.graph = graph.graph; - - // statements - parseStatements(subgraph); - - // close angle bracket - if (token != '}') { - throw newSyntaxError('Angle bracket } expected'); + for (groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + this.groups[groupId].setItems(groupsContent[groupId]); + } } - 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 = []; + /** + * 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; + } + } + } + + if (ungroupedCounter == 0) { + delete this.groups[UNGROUPED]; + this.legendLeft.removeGroup(UNGROUPED); + this.legendRight.removeGroup(UNGROUPED); + this.yAxisLeft.removeGroup(UNGROUPED); + this.yAxisRight.removeGroup(UNGROUPED); } - graph.subgraphs.push(subgraph); + else { + var group = {id: UNGROUPED, content: this.options.defaultGroup}; + this._updateGroup(group, UNGROUPED); + } + } + else { + delete this.groups[UNGROUPED]; + this.legendLeft.removeGroup(UNGROUPED); + this.legendRight.removeGroup(UNGROUPED); + this.yAxisLeft.removeGroup(UNGROUPED); + this.yAxisRight.removeGroup(UNGROUPED); } - return subgraph; - } + this.legendLeft.redraw(); + this.legendRight.redraw(); + }; + /** - * 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. + * Redraw the component, mandatory function + * @return {boolean} Returns true if the component is resized */ - function parseAttributeStatement (graph) { - // attribute statements - if (token == 'node') { - getToken(); + LineGraph.prototype.redraw = function(forceGraphUpdate) { + var resized = false; - // node attributes - graph.node = parseAttributeList(); - return 'node'; + this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; + if (this.lastWidth === undefined && this.width || this.lastWidth != this.width) { + resized = true; } - else if (token == 'edge') { - getToken(); + // 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.width != this.lastWidth); // we get this from the range changed event + this.lastVisibleInterval = visibleInterval; + this.lastWidth = this.width; - // edge attributes - graph.edge = parseAttributeList(); - return 'edge'; - } - else if (token == 'graph') { - getToken(); + // calculate actual size and position + this.width = this.dom.frame.offsetWidth; - // graph attributes - graph.graph = parseAttributeList(); - return 'graph'; + // 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.width); + this.svg.style.left = util.option.asSize(-this.width); } - return null; - } - - /** - * 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; + // zoomed is here to ensure that animations are shown correctly. + if (zoomed == true || this.abortedGraphUpdate == true || forceGraphUpdate == true) { + resized = resized || this._updateGraph(); } - addNode(graph, node); - - // 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 - */ - 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'); + 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.width != 0) { + var rangePerPixelInv = this.width/range; + var xOffset = offset * rangePerPixelInv; + this.svg.style.left = (-this.width - xOffset) + 'px'; } - to = token; - addNode(graph, { - id: to - }); - getToken(); } - // parse edge attributes - var attr = parseAttributeList(); + } - // create edge - var edge = createEdge(graph, from, to, type, attr); - addEdge(graph, edge); + this.legendLeft.redraw(); + this.legendRight.redraw(); + + return resized; + }; - from = to; - } - } /** - * Parse a set with attributes, - * for example [label="1.000", shape=solid] - * @return {Object | null} attr + * Update and redraw the graph. + * */ - function parseAttributeList() { - var attr = null; + LineGraph.prototype._updateGraph = function () { + // reset the svg elements + DOMutil.prepareElements(this.svgElements); + if (this.width != 0 && this.itemsData != null) { + var group, i; + var preprocessedGroupData = {}; + var processedGroupData = {}; + var groupRanges = {}; + var changeCalled = false; - while (token == '[') { - getToken(); - attr = {}; - while (token !== '' && token != ']') { - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Attribute name expected'); + // update the height of the graph on each redraw of the graph. + if (this.autoSizeSVG == 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'; } - var name = token; + this.autoSizeSVG = false; + } - getToken(); - if (token != '=') { - throw newSyntaxError('Equal sign = expected'); + // 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); + } } - getToken(); + } + 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); - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Attribute value expected'); + // apply sampling, if disabled, it will pass through this function. + this._applySampling(groupIds, groupsData); + + // we transform the X coordinates to detect collisions + for (i = 0; i < groupIds.length; i++) { + preprocessedGroupData[groupIds[i]] = this._convertXcoordinates(groupsData[groupIds[i]]); } - var value = token; - setValue(attr, name, value); // name can be a path - getToken(); - if (token ==',') { - getToken(); + // now all needed data has been collected we start the processing. + this._getYRanges(groupIds, preprocessedGroupData, groupRanges); + + // 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; - if (token != ']') { - throw newSyntaxError('Bracket ] expected'); + // 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); + } } - getToken(); } - 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 + ')'); - } + // cleanup unused svg elements + DOMutil.cleanupElements(this.svgElements); + return false; + }; - /** - * 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) + '...'); - } /** - * Execute a function fn for each pair of elements in two arrays - * @param {Array | *} array1 - * @param {Array | *} array2 - * @param {function} fn + * 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 forEach2(array1, array2, fn) { - if (Array.isArray(array1)) { - array1.forEach(function (elem1) { - if (Array.isArray(array2)) { - array2.forEach(function (elem2) { - fn(elem1, elem2); - }); + 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 { - fn(elem1, array2); + 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); + } + } + } } - }); - } - else { - if (Array.isArray(array2)) { - array2.forEach(function (elem2) { - fn(array1, elem2); - }); - } - else { - fn(array1, array2); } } - } + }; + /** - * 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 + * + * @param groupIds + * @param groupsData + * @private */ - function DOTToGraph (data) { - // parse the DOT file - var dotData = parseDOT(data); - var graphData = { - nodes: [], - edges: [], - options: {} - }; - - // 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); - }); - } + 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; - // 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; - } + // 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))); - dotData.edges.forEach(function (dotEdge) { - var from, to; - if (dotEdge.from instanceof Object) { - from = dotEdge.from.nodes; - } - else { - from = { - id: dotEdge.from - } - } + var sampledData = []; + for (var j = 0; j < amountOfPoints; j += increment) { + sampledData.push(dataContainer[j]); - if (dotEdge.to instanceof Object) { - to = dotEdge.to.nodes; - } - else { - to = { - id: dotEdge.to + } + groupsData[groupIds[i]] = sampledData; } } + } + } + }; - if (dotEdge.from instanceof Object && dotEdge.from.edges) { - dotEdge.from.edges.forEach(function (subEdge) { - var graphEdge = convertEdge(subEdge); - graphData.edges.push(graphEdge); - }); - } - - 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); - }); - if (dotEdge.to instanceof Object && dotEdge.to.edges) { - dotEdge.to.edges.forEach(function (subEdge) { - var graphEdge = convertEdge(subEdge); - graphData.edges.push(graphEdge); - }); + /** + * + * + * @param {array} groupIds + * @param {object} groupsData + * @param {object} groupRanges | this is being filled here + * @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]); + } } - }); - } + } - // copy the options - if (dotData.attr) { - graphData.options = dotData.attr; + // 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'); } + }; - return graphData; - } - - // exports - exports.parseDOT = parseDOT; - exports.DOTToGraph = DOTToGraph; - - -/***/ }, -/* 43 */ -/***/ function(module, exports, __webpack_require__) { - - function parseGephi(gephiJSON, options) { - var edges = []; - var nodes = []; - this.options = { - edges: { - inheritColor: true - }, - nodes: { - allowedToMove: false, - parseColor: 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 + * @private + */ + LineGraph.prototype._updateYAxis = function (groupIds, groupRanges) { + var changeCalled = 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 == 'left') { + yAxisLeftUsed = true; + minLeft = 0; + maxLeft = 0; + } + else { + yAxisRightUsed = true; + minRight = 0; + maxRight = 0; + } } - }; - if (options !== undefined) { - this.options.nodes['allowedToMove'] = options.allowedToMove | false; - this.options.nodes['parseColor'] = options.parseColor | false; - this.options.edges['inheritColor'] = options.inheritColor | true; - } + // 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; - 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); - } + if (groupRanges[groupIds[i]].yAxisOrientation == 'left') { + 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; + } + } + } + } - 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; + if (yAxisLeftUsed == true) { + this.yAxisLeft.setRange(minLeft, maxLeft); } - else { - node['color'] = gNode.color !== undefined ? {background:gNode.color, border:gNode.color} : undefined; + if (yAxisRightUsed == true) { + this.yAxisRight.setRange(minRight, maxRight); } - node['radius'] = gNode.size; - node['allowedToMoveX'] = this.options.nodes.allowedToMove; - node['allowedToMoveY'] = this.options.nodes.allowedToMove; - nodes.push(node); } + changeCalled = this._toggleAxisVisiblity(yAxisLeftUsed , this.yAxisLeft) || changeCalled; + changeCalled = this._toggleAxisVisiblity(yAxisRightUsed, this.yAxisRight) || changeCalled; - return {nodes:nodes, edges:edges}; - } - - exports.parseGephi = parseGephi; - -/***/ }, -/* 44 */ -/***/ function(module, exports, __webpack_require__) { - - // 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__(58); + 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; -/***/ }, -/* 45 */ -/***/ function(module, exports, __webpack_require__) { + if (this.yAxisRight.master == false) { + if (yAxisRightUsed == true) {this.yAxisLeft.lineOffset = this.yAxisRight.width;} + else {this.yAxisLeft.lineOffset = 0;} - // 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__(59); - } - else { - module.exports = function () { - throw Error('hammer.js is only available in a browser, not in node.js.'); + changeCalled = this.yAxisLeft.redraw() || changeCalled; + this.yAxisRight.stepPixelsForced = this.yAxisLeft.stepPixels; + this.yAxisRight.zeroCrossing = this.yAxisLeft.zeroCrossing; + changeCalled = this.yAxisRight.redraw() || changeCalled; + } + else { + changeCalled = this.yAxisRight.redraw() || changeCalled; } - } + // 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); + } -/***/ }, -/* 46 */ -/***/ function(module, exports, __webpack_require__) { + return changeCalled; + }; - 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); /** - * 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 + * 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 Core () {} + LineGraph.prototype._toggleAxisVisiblity = function (axisUsed, axis) { + var changed = false; + if (axisUsed == false) { + if (axis.dom.frame.parentNode && axis.hidden == false) { + axis.hide() + changed = true; + } + } + else { + if (!axis.dom.frame.parentNode && axis.hidden == true) { + axis.show(); + changed = true; + } + } + return changed; + }; - // turn Core into an event emitter - Emitter(Core.prototype); /** - * 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. + * 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 */ - Core.prototype._create = function (container) { - this.dom = {}; - - 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'); + LineGraph.prototype._convertXcoordinates = function (datapoints) { + var extractedData = []; + var xValue, yValue; + var toScreen = this.body.util.toScreen; - 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 i = 0; i < datapoints.length; i++) { + xValue = toScreen(datapoints[i].x) + this.width; + yValue = datapoints[i].y; + extractedData.push({x: xValue, y: yValue}); + } - 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); + return extractedData; + }; - 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); + /** + * 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 + */ + 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; + } - 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)); + for (var i = 0; i < datapoints.length; i++) { + xValue = toScreen(datapoints[i].x) + this.width; + yValue = Math.round(axis.convertValue(datapoints[i].y)); + extractedData.push({x: xValue, y: yValue}); + } - 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(); - } - }); + group.setZeroPosition(Math.min(svgHeight, axis.convertValue(0))); - // create event listeners for all interesting events, these events will be - // emitted via emitter - this.hammer = Hammer(this.dom.root, { - preventDefault: true - }); - this.listeners = {}; + return extractedData; + }; - 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; - }); - // 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 + module.exports = LineGraph; - this.redrawCount = 0; - // attach the root panel to the provided container - if (!container) throw new Error('No container provided'); - container.appendChild(this.dom.root); - }; +/***/ }, +/* 44 */ +/***/ function(module, exports, __webpack_require__) { /** - * 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 + * @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 */ - 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); + function DataStep(start, end, minimumStep, containerHeight, customRange, alignZeros) { + // variables + this.current = 0; - if ('hiddenDates' in this.options) { - DateUtil.convertHiddenOptions(this.body, this.options.hiddenDates); - } + this.autoScale = true; + this.stepIndex = 0; + this.step = 1; + this.scale = 1; - if ('clickToUse' in options) { - if (options.clickToUse) { - this.activator = new Activator(this.dom.root); - } - else { - if (this.activator) { - this.activator.destroy(); - delete this.activator; - } - } - } + this.marginStart; + this.marginEnd; + this.deadSpace = 0; - // enable/disable autoResize - this._initAutoResize(); - } + this.majorSteps = [1, 2, 5, 10]; + this.minorSteps = [0.25, 0.5, 1, 2]; - // propagate options to all components - this.components.forEach(function (component) { - component.setOptions(options); - }); + this.alignZeros = alignZeros; + + this.setRange(start, end, minimumStep, containerHeight, customRange); + } - // 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.'); - } - // redraw everything - this.redraw(); - }; /** - * Returns true when the Timeline is active. - * @returns {boolean} + * 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 */ - Core.prototype.isActive = function () { - return !this.activator || this.activator.active; + 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); + } + + this.setFirst(customRange); }; /** - * Destroy the Core, clean up all DOM elements and event listeners. + * Automatically determine the scale that bests fits the provided minimum step + * @param {Number} [minimumStep] The minimum step size in milliseconds */ - Core.prototype.destroy = function () { - // unbind datasets - this.clear(); - - // remove all event listeners - this.off(); - - // stop checking for changed size - this._stopAutoResize(); + 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); - // remove from DOM - if (this.dom.root.parentNode) { - this.dom.root.parentNode.removeChild(this.dom.root); - } - this.dom = null; + var minorStepIdx = -1; + var magnitudefactor = Math.pow(10,orderOfMagnitude); - // remove Activator - if (this.activator) { - this.activator.destroy(); - delete this.activator; + var start = 0; + if (orderOfMagnitude < 0) { + start = orderOfMagnitude; } - // cleanup hammer touch events - for (var event in this.listeners) { - if (this.listeners.hasOwnProperty(event)) { - delete this.listeners[event]; + 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; + } } - } - this.listeners = null; - this.hammer = null; - - // give all components the opportunity to cleanup - this.components.forEach(function (component) { - component.destroy(); - }); - - this.body = null; + if (solutionFound == true) { + break; + } + } + this.stepIndex = minorStepIdx; + this.scale = magnitudefactor; + this.step = magnitudefactor * this.minorSteps[minorStepIdx]; }; + /** - * Set a custom time bar - * @param {Date} time + * 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.setCustomTime = function (time) { - if (!this.customTime) { - throw new Error('Cannot get custom time: Custom time bar is not enabled'); + DataStep.prototype.setFirst = function(customRange) { + if (customRange === undefined) { + customRange = {}; } - this.customTime.setCustomTime(time); - }; + 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; - /** - * 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.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; } - return this.customTime.getCustomTime(); - }; + this.deadSpace = this.roundToMinor(niceEnd) - niceEnd + this.roundToMinor(niceStart) - niceStart; + this.marginRange = this.marginEnd - this.marginStart; - /** - * 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() || []; + this.current = this.marginEnd; }; - - - /** - * 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} - */ - Core.prototype.clear = function(what) { - // clear items - if (!what || what.items) { - this.setItems(null); + 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]); } - - // clear groups - if (!what || what.groups) { - this.setGroups(null); + else { + return rounded; } + } - // clear options of timeline and of each of the components - if (!what || what.options) { - this.components.forEach(function (component) { - component.setOptions(component.defaultOptions); - }); - this.setOptions(this.defaultOptions); // this will also do a redraw - } + /** + * 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); }; /** - * 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. + * Do the next step */ - Core.prototype.fit = function(options) { - var range = this._getDataRange(); + DataStep.prototype.next = function() { + var prev = this.current; + this.current -= this.step; - // skip range set if there is no start and end date - if (range.start === null && range.end === null) { - return; + // safety mechanism: if current time is still unchanged, move to the end + if (this.current == prev) { + this.current = this._end; } - - var animate = (options && options.animate !== undefined) ? options.animate : true; - this.range.setRange(range.start, range.end, animate); }; /** - * Calculate the data range of the items and applies a 5% window around it. - * @returns {{start: Date | null, end: Date | null}} - * @protected + * Do the next step */ - Core.prototype._getDataRange = function() { - // apply the data range as range - var dataRange = this.getItemRange(); + DataStep.prototype.previous = function() { + this.current += this.step; + this.marginEnd += this.step; + this.marginRange = this.marginEnd - this.marginStart; + }; - // 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); - } - return { - start: start, - end: end - } - }; /** - * 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. + * Get the current datetime + * @return {String} current The current date */ - 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); + 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); + + // 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.range.setRange(start, end, animate); + 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; }; + + /** - * 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. + * 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.moveTo = function(time, options) { - var interval = this.range.end - this.range.start; - var t = util.convert(time, 'Date').valueOf(); - - var start = t - interval / 2; - var end = t + interval / 2; - var animate = (options && options.animate !== undefined) ? options.animate : true; + DataStep.prototype.snap = function(date) { - this.range.setRange(start, end, animate); }; /** - * Get the visible window - * @return {{start: Date, end: Date}} Visible range + * 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. */ - Core.prototype.getWindow = function() { - var range = this.range.getRange(); - return { - start: new Date(range.start), - end: new Date(range.end) - }; + DataStep.prototype.isMajor = function() { + return (this.current % (this.scale * this.majorSteps[this.stepIndex]) == 0); }; + module.exports = DataStep; + + +/***/ }, +/* 45 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); + var Component = __webpack_require__(23); + var DataStep = __webpack_require__(44); + /** - * Force a redraw of the Core. Can be useful to manually redraw when - * option autoResize=false + * A horizontal time axis + * @param {Object} [options] See DataAxis.setOptions for the available + * options. + * @constructor DataAxis + * @extends Component + * @param body */ - Core.prototype.redraw = function() { - var resized = false; - var options = this.options; - var props = this.props; - var dom = this.dom; + function DataAxis (body, options, svg, linegraphOptions) { + this.id = util.randomUUID(); + this.body = body; - if (!dom) return; // when destroyed + 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} + } + }; - DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); + this.linegraphOptions = linegraphOptions; + this.linegraphSVG = svg; + this.props = {}; + this.DOMelements = { // dynamic elements + lines: {}, + labels: {}, + title: {} + }; - // 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'); - } + this.dom = {}; - // 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.range = {start:0, end:0}; - // 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.options = util.extend({}, this.defaultOptions); + this.conversionFactor = 1; - // 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; + 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(); + + + DataAxis.prototype.addGroup = function(label, graphOptions) { + if (!this.groups.hasOwnProperty(label)) { + this.groups[label] = graphOptions; } - if (dom.root.clientHeight === 0) { - borderRootWidth = borderRootHeight; + this.amountOfGroups += 1; + }; + + DataAxis.prototype.updateGroup = function(label, graphOptions) { + this.groups[label] = graphOptions; + }; + + DataAxis.prototype.removeGroup = function(label) { + if (this.groups.hasOwnProperty(label)) { + delete this.groups[label]; + this.amountOfGroups -= 1; } + }; - // 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; - // TODO: compensate borders when any of the panels is empty. + 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); - // 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.minWidth = Number(('' + this.options.width).replace("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; + if (redraw == true && this.dom.frame) { + this.hide(); + this.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; - // 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'; + /** + * 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; - 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'; + 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'; - // 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'; + // 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); + }; - // 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(); + 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; - // 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); + if (this.options.orientation == 'left') { + x = iconOffset; + } + else { + x = this.width - iconWidth - iconOffset; } - 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 { - console.log('WARNING: infinite loop in redraw?') + 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; + } } - this.redrawCount = 0; } - this.emit("finishedRedraw"); + DOMutil.cleanupElements(this.svgElements); + this.iconsRemoved = false; }; - // TODO: deprecated since version 1.1.0, remove some day - Core.prototype.repaint = function () { - throw new Error('Function repaint is deprecated. Use redraw instead.'); - }; + DataAxis.prototype._cleanupIcons = function() { + if (this.iconsRemoved == false) { + DOMutil.prepareElements(this.svgElements); + DOMutil.cleanupElements(this.svgElements); + this.iconsRemoved = true; + } + } /** - * 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. + * Create the HTML DOM for the DataAxis */ - Core.prototype.setCurrentTime = function(time) { - if (!this.currentTime) { - throw new Error('Option showCurrentTime must be true'); + 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); + } } - this.currentTime.setCurrentTime(time); + if (!this.dom.lineContainer.parentNode) { + this.body.dom.backgroundHorizontal.appendChild(this.dom.lineContainer); + } }; /** - * Get the current time. - * Only applicable when option `showCurrentTime` is true. - * @return {Date} Returns the current time. + * Create the HTML DOM for the DataAxis */ - Core.prototype.getCurrentTime = function() { - if (!this.currentTime) { - throw new Error('Option showCurrentTime must be true'); + DataAxis.prototype.hide = function() { + this.hidden = true; + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); } - return this.currentTime.getCurrentTime(); + if (this.dom.lineContainer.parentNode) { + this.dom.lineContainer.parentNode.removeChild(this.dom.lineContainer); + } }; /** - * 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 + * Set a range (start and end) + * @param end + * @param start + * @param end */ - // TODO: move this function to Range - Core.prototype._toTime = function(x) { - return DateUtil.toTime(this, x, this.props.center.width); + 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; }; /** - * 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 + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - // 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); + DataAxis.prototype.redraw = function () { + var changeCalled = 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; + + var props = this.props; + var frame = this.dom.frame; + + // update classname + frame.className = 'dataaxis'; + + // calculate character width and height + this._calculateCharSize(); + + var orientation = this.options.orientation; + var showMinorLabels = this.options.showMinorLabels; + var showMajorLabels = this.options.showMajorLabels; + + // determine the width and height of the elements for the axis + props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; + props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; + + 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; + + // 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"; + } + 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"; + } + changeCalled = this._redrawLabels(); + + if (this.options.icons == true) { + this._redrawGroupIcons(); + } + else { + this._cleanupIcons(); + } + + this._redrawTitle(orientation); + } + return changeCalled; }; /** - * 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. + * Repaint major and minor text labels and vertical grid lines * @private */ - // TODO: move this function to Range - Core.prototype._toScreen = function(time) { - return DateUtil.toScreen(this, time, this.props.center.width); - }; + DataAxis.prototype._redrawLabels = function () { + DOMutil.prepareElements(this.DOMelements.lines); + DOMutil.prepareElements(this.DOMelements.labels); + 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; - /** - * 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; - }; + 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)); - /** - * Initialize watching when option autoResize is true - * @private - */ - Core.prototype._initAutoResize = function () { - if (this.options.autoResize == true) { - this._startAutoResize(); + 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 (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();} + } + } } else { - this._stopAutoResize(); + amountOfSteps += 0.25; } - }; - /** - * Watch for changes in the size of the container. On resize, the Panel will - * automatically redraw itself. - * @private - */ - Core.prototype._startAutoResize = function () { - var me = this; - this._stopAutoResize(); + this.valueAtZero = step.marginEnd; + var marginStartPos = 0; - this._onResize = function() { - if (me.options.autoResize != true) { - // stop watching when the option autoResize is changed to false - me._stopAutoResize(); - return; - } + // do not draw the first label + var max = 1; - 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; + // Get the number of decimal places + var decimals; + if(this.options.format[orientation] !== undefined) { + decimals = this.options.format[orientation].decimals; + } - me.emit('change'); - } + 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(); + + 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); } - }; - // add event listener to window resize - util.addEventListener(window, 'resize', this._onResize); + 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.watchTimer = setInterval(this._onResize, 1000); - }; + if (this.master == true && step.current == 0) { + this.zeroCrossing = max; + } - /** - * Stop watching for a resize of the frame. - * @private - */ - Core.prototype._stopAutoResize = function () { - if (this.watchTimer) { - clearInterval(this.watchTimer); - this.watchTimer = undefined; + max++; } - // remove event listener on window.resize - util.removeEventListener(window, 'resize', this._onResize); - this._onResize = null; - }; + if (this.master == false) { + this.conversionFactor = y / (this.valueAtZero - step.current); + } + else { + this.conversionFactor = this.dom.frame.offsetHeight / step.marginRange; + } - /** - * Start moving the timeline vertically - * @param {Event} event - * @private - */ - Core.prototype._onTouch = function (event) { - this.touch.allowDragging = true; - }; + // 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; - /** - * Start moving the timeline vertically - * @param {Event} event - * @private - */ - Core.prototype._onPinch = function (event) { - this.touch.allowDragging = false; + // 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(); + return 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(); + return true; + } + else { + DOMutil.cleanupElements(this.DOMelements.lines); + DOMutil.cleanupElements(this.DOMelements.labels); + return false; + } }; - /** - * Start moving the timeline vertically - * @param {Event} event - * @private - */ - Core.prototype._onDragStart = function (event) { - this.touch.initialScrollTop = this.props.scrollTop; + DataAxis.prototype.convertValue = function (value) { + var invertedValue = this.valueAtZero - value; + var convertedValue = invertedValue * this.conversionFactor; + return convertedValue; }; /** - * Move the timeline vertically - * @param {Event} event + * Create a label for the axis at position x * @private + * @param y + * @param text + * @param orientation + * @param className + * @param characterHeight */ - 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; + 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"; + } + else { + label.style.right = '-' + this.options.labelOffsetX + 'px'; + label.style.textAlign = "left"; + } - var oldScrollTop = this._getScrollTop(); - var newScrollTop = this._setScrollTop(this.touch.initialScrollTop + delta); + label.style.top = y - 0.5 * characterHeight + this.options.labelOffsetY + 'px'; + text += ''; - if (newScrollTop != oldScrollTop) { - this.redraw(); // TODO: this causes two redraws when dragging, the other is triggered by rangechange already - this.emit("verticalDrag"); + var largestWidth = Math.max(this.props.majorCharWidth,this.props.minorCharWidth); + if (this.maxLabelSize < text.length * largestWidth) { + this.maxLabelSize = text.length * largestWidth; } }; /** - * Apply a scrollTop - * @param {Number} scrollTop - * @returns {Number} scrollTop Returns the applied scrollTop - * @private + * Create a minor line for the axis at position y + * @param y + * @param orientation + * @param className + * @param offset + * @param width */ - Core.prototype._setScrollTop = function (scrollTop) { - this.props.scrollTop = scrollTop; - this._updateScrollTop(); - return this.props.scrollTop; + 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'; + } }; /** - * Update the current scrollTop when the height of the containers has been changed - * @returns {Number} scrollTop Returns the applied scrollTop + * Create a title for the axis * @private + * @param orientation */ - 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); + 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); + } + + if (orientation == 'left') { + title.style.left = this.props.titleCharHeight + 'px'; + } + else { + title.style.right = this.props.titleCharHeight + 'px'; } - 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; - }; + title.style.width = this.height + 'px'; + } - /** - * Get the current scrollTop - * @returns {number} scrollTop - * @private - */ - Core.prototype._getScrollTop = function () { - return this.props.scrollTop; + // we need to clean up in case we did not use all elements. + DOMutil.cleanupElements(this.DOMelements.title); }; - module.exports = Core; - -/***/ }, -/* 47 */ -/***/ function(module, exports, __webpack_require__) { - var Hammer = __webpack_require__(45); /** - * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent - * @param {Element} element - * @param {Event} event + * 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 */ - exports.fakeGesture = function(element, event) { - var eventType = null; - - // for hammer.js 1.0.5 - // var gesture = Hammer.event.collectEventData(this, eventType, event); + 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); - // for hammer.js 1.0.6+ - var touches = Hammer.event.getTouchList(event, eventType); - var gesture = Hammer.event.collectEventData(this, eventType, touches, event); + this.props.minorCharHeight = measureCharMinor.clientHeight; + this.props.minorCharWidth = measureCharMinor.clientWidth; - // 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.dom.frame.removeChild(measureCharMinor); } - return gesture; - }; - - -/***/ }, -/* 48 */ -/***/ function(module, exports, __webpack_require__) { + 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); - // English - exports['en'] = { - current: 'current', - time: 'time' - }; - exports['en_EN'] = exports['en']; - exports['en_US'] = exports['en']; + this.props.majorCharHeight = measureCharMajor.clientHeight; + this.props.majorCharWidth = measureCharMajor.clientWidth; - // Dutch - exports['nl'] = { - custom: 'aangepaste', - time: 'tijd' - }; - exports['nl_NL'] = exports['nl']; - exports['nl_BE'] = exports['nl']; + this.dom.frame.removeChild(measureCharMajor); + } + 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); -/***/ }, -/* 49 */ -/***/ function(module, exports, __webpack_require__) { + this.props.titleCharHeight = measureCharTitle.clientHeight; + this.props.titleCharWidth = measureCharTitle.clientWidth; - // 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.' + this.dom.frame.removeChild(measureCharTitle); + } }; - 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.' + /** + * 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 + */ + DataAxis.prototype.snap = function(date) { + return this.step.snap(date); }; - exports['nl_NL'] = exports['nl']; - exports['nl_BE'] = exports['nl']; + + module.exports = DataAxis; /***/ }, -/* 50 */ +/* 46 */ /***/ function(module, exports, __webpack_require__) { + 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); + /** - * Canvas shapes used by Network + * /** + * @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 */ - 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); - }; + 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; + } - /** - * 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 loads a reference to all items in this group into this group. + * @param {array} items + */ + 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 = []; + } + }; - 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(); + /** + * this is used for plotting barcharts, this way, we only have to calculate it once. + * @param pos + */ + GraphGroup.prototype.setZeroPosition = function(pos) { + this.zeroPosition = pos; + }; - 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(); - }; + /** + * set the options of the graph group over the default options. + * @param options + */ + GraphGroup.prototype.setOptions = function(options) { + if (options !== undefined) { + var fields = ['sampling','style','sort','yAxisOrientation','barChart']; + util.selectiveDeepExtend(fields, this.options, options); - /** - * 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(); + util.mergeOptions(this.options, options,'catmullRom'); + util.mergeOptions(this.options, options,'drawPoints'); + util.mergeOptions(this.options, options,'shaded'); - 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) - ); + 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; + } + } + } } + } - 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); - }; - - + 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); + } + }; - /** - * 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 updates the current group class with the latest group dataset entree, used in _updateGroup in linegraph + * @param group + */ + 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); + }; - 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); + /** + * draw the icon for the legend. + * + * @param x + * @param y + * @param JSONcontainer + * @param SVGcontainer + * @param iconWidth + * @param iconHeight + */ + GraphGroup.prototype.drawIcon = function(x, y, JSONcontainer, SVGcontainer, iconWidth, iconHeight) { + var fillHeight = iconHeight * 0.5; + var path, fillPath; - this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); - this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); + 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.lineTo(xe, ymb); + 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); + } - this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb); - this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb); + 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"); + } - this.lineTo(x, ym); - }; + 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); - /** - * 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); + 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); + } + }; - // 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); + /** + * return the legend entree for this group. + * + * @param iconWidth + * @param iconHeight + * @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}} + */ + 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}; + } - // 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); + GraphGroup.prototype.getYRange = function(groupData) { + return this.type.getYRange(groupData); + } - this.beginPath(); - this.moveTo(x, y); - this.lineTo(xl, yl); - this.lineTo(xi, yi); - this.lineTo(xr, yr); - this.closePath(); - }; + GraphGroup.prototype.draw = function(dataset, group, framework) { + this.type.draw(dataset, group, framework); + } - /** - * 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 - } + module.exports = GraphGroup; /***/ }, -/* 51 */ +/* 47 */ /***/ function(module, exports, __webpack_require__) { /** * Created by Alex on 11/11/2014. */ - var DOMutil = __webpack_require__(2); - var Points = __webpack_require__(53); + var DOMutil = __webpack_require__(6); + var Points = __webpack_require__(48); function Line(groupId, options) { this.groupId = groupId; @@ -22800,14 +21961,62 @@ return /******/ (function(modules) { // webpackBootstrap /***/ }, -/* 52 */ +/* 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); + } + + /** + * 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; + +/***/ }, +/* 49 */ /***/ function(module, exports, __webpack_require__) { /** * Created by Alex on 11/11/2014. */ - var DOMutil = __webpack_require__(2); - var Points = __webpack_require__(53); + var DOMutil = __webpack_require__(6); + var Points = __webpack_require__(48); function Bargraph(groupId, options) { this.groupId = groupId; @@ -23034,6409 +22243,7271 @@ return /******/ (function(modules) { // webpackBootstrap module.exports = Bargraph; /***/ }, -/* 53 */ +/* 50 */ /***/ 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); - } + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); + var Component = __webpack_require__(23); /** - * draw the data points - * - * @param {Array} dataset - * @param {Object} JSONcontainer - * @param {Object} svg | SVG DOM element - * @param {GraphGroup} group - * @param {Number} [offset] + * Legend for Graph2d */ - 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); + 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; - module.exports = Points; + this.svgElements = {}; + this.dom = {}; + this.groups = {}; + this.amountOfGroups = 0; + this._create(); -/***/ }, -/* 54 */ -/***/ function(module, exports, __webpack_require__) { + this.setOptions(options); + } - 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 = new Component(); - /** - * 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]; - } - } - }; + Legend.prototype.clear = function() { + this.groups = {}; + this.amountOfGroups = 0; + } + Legend.prototype.addGroup = function(label, graphOptions) { - /** - * 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; - } + if (!this.groups.hasOwnProperty(label)) { + this.groups[label] = graphOptions; } + this.amountOfGroups += 1; }; - - /** - * 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(); - } + Legend.prototype.updateGroup = function(label, graphOptions) { + this.groups[label] = graphOptions; }; - - /** - * Mixin the cluster system and initialize the parameters required. - * - * @private - */ - exports._loadClusterSystem = function () { - this.clusterSession = 0; - this.hubThreshold = 5; - this._loadMixin(ClusterMixin); + 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 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; - - 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); - } - - 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); - } + Legend.prototype.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); + } + }; - 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); - } + Legend.prototype.setOptions = function(options) { + var fields = ['enabled','orientation','icons','left','right']; + util.selectiveDeepExtend(fields, this.options, options); + }; - // load the manipulation functions - this._loadMixin(ManipulationMixin); + 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++; + } + } + } - // 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__(57); - 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; - - this.dom = { - container: container - }; - - this.dom.overlay = document.createElement('div'); - this.dom.overlay.className = 'overlay'; - - this.dom.container.appendChild(this.dom.overlay); - - this.hammer = Hammer(this.dom.overlay, {prevent_default: false}); - this.hammer.on('tap', this._onTapOverlay.bind(this)); + function Network (container, data, options) { + if (!(this instanceof Network)) { + throw new SyntaxError('Constructor must be called with the new operator'); + } - // 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._initializeMixinLoaders(); - // 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(); - } - }); + // create variables and set default values + this.containerElement = container; - if (this.keycharm !== undefined) { - this.keycharm.destroy(); - } - this.keycharm = keycharm(); + // render and calculation settings + this.renderRefreshRate = 60; // hz (fps) + this.renderTimestep = 1000 / this.renderRefreshRate; // ms -- saves calculation later on + this.renderTime = 0.5 * this.renderTimestep; // measured time it takes to render a frame + this.maxPhysicsTicksPerRender = 3; // max amount of physics ticks per render step. + this.physicsDiscreteStepsize = 0.50; // discrete stepsize of the simulation - // keycharm listener only bounded when active) - this.escListener = this.deactivate.bind(this); - } + this.initializing = true; - // turn into an event emitter - Emitter(Activator.prototype); + this.triggerFunctions = {add:null,edit:null,editEdge:null,connect:null,del:null}; - // The currently active activator - Activator.current = null; + // 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, + level: -1, + color: { + border: '#2B7CE9', + background: '#97C2FC', + highlight: { + border: '#2B7CE9', + background: '#D2E5FF' + }, + hover: { + border: '#2B7CE9', + background: '#D2E5FF' + } + }, + borderColor: '#2B7CE9', + backgroundColor: '#97C2FC', + highlightColor: '#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', + arrowScaleFactor: 1, + dash: { + length: 10, + gap: 5, + altLength: undefined + }, + inheritColor: "from" // to, from, false, true (== from) + }, + configurePhysics:false, + physics: { + barnesHut: { + enabled: true, + theta: 1 / 0.6, // 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 + 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: []}; - /** - * Destroy the activator. Cleans up all created DOM and event listeners - */ - Activator.prototype.destroy = function () { - this.deactivate(); + // 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; - // remove dom - this.dom.overlay.parentNode.removeChild(this.dom.overlay); + // Node variables + var network = this; + this.groups = new Groups(); // object with groups + this.images = new Images(); // object with images + this.images.setOnloadCallback(function () { + network._redraw(); + }); - // cleanup hammer instances - this.hammer = null; - this.windowHammer = null; - // FIXME: cleaning up hammer instances doesn't work (Timeline not removed from memory) - }; + // keyboard navigation variables + this.xIncrement = 0; + this.yIncrement = 0; + this.zoomIncrement = 0; - /** - * 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; + // 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(); - this.active = true; - this.dom.overlay.style.display = 'none'; - util.addClassName(this.dom.container, 'vis-active'); - this.emit('change'); - this.emit('activate'); + // apply options + this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2); + this._setScale(1); + this.setOptions(options); - // 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); - }; + // other vars + this.freezeSimulation = false;// freeze the simulation + this.cachedFunctions = {}; + this.startedStabilization = false; + this.stabilized = false; + this.stabilizationIterations = null; + this.draggingNodes = false; - /** - * 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); + // 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 - this.emit('change'); - this.emit('deactivate'); - }; + // 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 - /** - * Handle a tap event: activate the container - * @param event - * @private - */ - Activator.prototype._onTapOverlay = function (event) { - // activate the container - this.activate(); - event.stopPropagation(); - }; + // datasets or dataviews + this.nodesData = null; // A DataSet or DataView + this.edgesData = null; // A DataSet or DataView - /** - * 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 - */ - function _hasParent(element, parent) { - while (element) { - if (element === parent) { - return true + // 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(); } - element = element.parentNode; - } - return false; - } + }; - module.exports = Activator; + // properties for the animation + this.moving = true; + this.timer = undefined; // Scheduling function. Is definded in this.start(); + // 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); -/***/ }, -/* 56 */ -/***/ function(module, exports, __webpack_require__) { + // 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); + } + } - - /** - * Expose `Emitter`. - */ + // if clustering is disabled, the simulation will have started in the setData function + if (this.constants.clustering.enabled) { + this.startWithClustering(); + } + } - module.exports = Emitter; + // Extend Network with an Emitter mixin + Emitter(Network.prototype); /** - * Initialize a new `Emitter`. + * Get the script path where the vis.js library is located * - * @api public + * @returns {string | null} path Path or null when not found. Path does not + * end with a slash. + * @private */ + Network.prototype._getScriptPath = function() { + var scripts = document.getElementsByTagName( 'script' ); - function Emitter(obj) { - if (obj) return mixin(obj); + // 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); + } + } + + return null; }; + /** - * Mixin the emitter properties. - * - * @param {Object} obj - * @return {Object} - * @api private + * Find the center position of the network + * @private */ - - function mixin(obj) { - for (var key in Emitter.prototype) { - obj[key] = Emitter.prototype[key]; + 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.x)) {minX = node.x;} + if (maxX < (node.x)) {maxX = node.x;} + if (minY > (node.y)) {minY = node.y;} + if (maxY < (node.y)) {maxY = node.y;} + } } - return obj; - } + 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}; + }; + /** - * Listen on the given `event` with `fn`. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public + * @param {object} range = {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; + * @returns {{x: number, y: number}} + * @private */ - - Emitter.prototype.on = - Emitter.prototype.addEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - (this._callbacks[event] = this._callbacks[event] || []) - .push(fn); - return this; + Network.prototype._findCenter = function(range) { + return {x: (0.5 * (range.maxX + range.minX)), + y: (0.5 * (range.maxY + range.minY))}; }; + /** - * Adds an `event` listener that will be invoked a single - * time then automatically removed. + * 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) { + if (initialZoom === undefined) { + initialZoom = false; + } + if (disableStart === undefined) { + disableStart = false; + } + if (animationOptions === undefined) { + animationOptions = false; + } - Emitter.prototype.once = function(event, fn){ - var self = this; - this._callbacks = this._callbacks || {}; + var range = this._getRange(); + var zoomLevel; - function on() { - self.off(event, on); - fn.apply(this, arguments); - } + 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. + } + } - on.fn = fn; - this.on(event, on); - return this; - }; + // 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; - /** - * 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; - }; - + 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.'); + } -/***/ }, -/* 57 */ -/***/ function(module, exports, __webpack_require__) { + // 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; + }; - var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;"use strict"; /** - * Created by Alex on 11/6/2014. + * Set options + * @param {Object} options */ + Network.prototype.setOptions = function (options) { + if (options) { + var prop; - // 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 () { - - function keycharm(options) { - var preventDefault = options && options.preventDefault || false; + 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); - var _exportFunctions = {}; - var _bound = {keydown:{}, keyup:{}}; - var _keys = {}; - var i; + if (options.physics) { + util.mergeOptions(this.constants.physics, options.physics,'barnesHut'); + util.mergeOptions(this.constants.physics, options.physics,'repulsion'); - // 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};} + 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]; + } + } + } + } - // 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}; + 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'); - var down = function(event) {handleEvent(event,'keydown');}; - var up = function(event) {handleEvent(event,'keyup');}; + if (options.dataManipulation) { + this.editMode = this.constants.dataManipulation.initiallyVisible; + } - // 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(); + // 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; } - } - }; - - // 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}); - }; - - - // 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); + 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;} } } - }; - // 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; - } + 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;} } } - 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 (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 (_keys[key] === undefined) { - throw new Error("unsupported key: " + key); + } + if (options.groups) { + for (var groupname in options.groups) { + if (options.groups.hasOwnProperty(groupname)) { + var group = options.groups[groupname]; + this.groups.add(groupname, group); + } } - 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]); - } - } + } + + if (options.tooltip) { + for (prop in options.tooltip) { + if (options.tooltip.hasOwnProperty(prop)) { + this.constants.tooltip[prop] = options.tooltip[prop]; } - _bound[type][_keys[key].code] = newBindings; } - else { - _bound[type][_keys[key].code] = []; + if (options.tooltip.color) { + this.constants.tooltip.color = util.parseColor(options.tooltip.color); } - }; + } - // reset all bound variables. - _exportFunctions.reset = function() { - _bound = {keydown:{}, keyup:{}}; - }; + if ('clickToUse' in options) { + if (options.clickToUse) { + this.activator = new Activator(this.frame); + this.activator.on('change', this._createKeyBinds.bind(this)); + } + else { + if (this.activator) { + this.activator.destroy(); + delete this.activator; + } + } + } - // unbind all listeners and reset all variables. - _exportFunctions.destroy = function() { - _bound = {keydown:{}, keyup:{}}; - window.removeEventListener('keydown', down, true); - window.removeEventListener('keyup', up, true); - }; + if (options.labels) { + throw new Error('Option "labels" is deprecated. Use options "locale" and "locales" instead.'); + } + } - // create listeners. - window.addEventListener('keydown',down,true); - window.addEventListener('keyup',up,true); + // (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 the public functions. - return _exportFunctions; - } - return keycharm; - })); + // bind keys. If disabled, this will not do anything; + this._createKeyBinds(); + this.setSize(this.constants.width, this.constants.height); + this.moving = true; + this.start(); + }; + /** + * 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); + } -/***/ }, -/* 58 */ -/***/ function(module, exports, __webpack_require__) { + this.frame = document.createElement('div'); + this.frame.className = 'vis network-frame'; + this.frame.style.position = 'relative'; + this.frame.style.overflow = 'hidden'; - var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {//! moment.js - //! version : 2.8.4 - //! authors : Tim Wood, Iskren Chernev, Moment.js contributors - //! license : MIT - //! momentjs.com - (function (undefined) { - /************************************ - Constants - ************************************/ + ////////////////////////////////////////////////////////////////// - var moment, - VERSION = '2.8.4', - // the global-scope this is NOT the global object in Node.js - globalScope = typeof global !== 'undefined' ? global : this, - oldGlobalMoment, - round = Math.round, - hasOwnProperty = Object.prototype.hasOwnProperty, - i, + this.frame.canvas = document.createElement("canvas"); - YEAR = 0, - MONTH = 1, - DATE = 2, - HOUR = 3, - MINUTE = 4, - SECOND = 5, - MILLISECOND = 6, + this.frame.canvas.style.position = 'relative'; + this.frame.appendChild(this.frame.canvas); - // internal storage for locale config files - locales = {}, - // extra moment internal properties (plugins register props here) - momentProperties = [], + 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 { - // check for nodeJS - hasModule = (typeof module !== 'undefined' && module && module.exports), + var ctx = this.frame.canvas.getContext("2d"); - // ASP.NET json date format regex - aspNetJsonRegex = /^\/?Date\((\-?\d+)/i, - aspNetTimeSpanJsonRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/, + this.pixelRatio = (window.devicePixelRatio || 1) / (ctx.webkitBackingStorePixelRatio || + ctx.mozBackingStorePixelRatio || + ctx.msBackingStorePixelRatio || + ctx.oBackingStorePixelRatio || + ctx.backingStorePixelRatio || 1); - // 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 + this.frame.canvas.getContext("2d").setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); + } - //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', + 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) ); - 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}/] - ], + this.hammerFrame = Hammer(this.frame, { + prevent_default: true + }); + this.hammerFrame.on('release', me._onRelease.bind(me) ); - // 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/] - ], + // add the frame to the container element + this.containerElement.appendChild(this.frame); - // timezone chunker '+10:00' > ['10', '00'] or '-1530' > ['-15', '30'] - parseTimezoneChunker = /([\+\-]|\d\d)/gi, + }; - // 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 - }, - 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' - }, + /** + * 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(); - camelFunctions = { - dayofyear : 'dayOfYear', - isoweekday : 'isoWeekday', - isoweek : 'isoWeek', - weekyear : 'weekYear', - isoweekyear : 'isoWeekYear' - }, + this.keycharm.reset(); - // format function strings - formatFunctions = {}, + 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"); + } - // 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 (this.constants.dataManipulation.enabled == true) { + this.keycharm.bind("esc",this._createManipulatorBar.bind(me)); + this.keycharm.bind("delete",this._deleteSelected.bind(me)); + } + }; - // tokens to ordinalize and pad - ordinalizeTokens = 'DDD w W M D d'.split(' '), - paddedTokens = 'M D H h m s w W'.split(' '), + /** + * 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) + }; + }; - 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.zone(), - b = '+'; - if (a < 0) { - a = -a; - b = '-'; - } - return b + leftZeroFill(toInt(a / 60), 2) + ':' + leftZeroFill(toInt(a) % 60, 2); - }, - ZZ : function () { - var a = -this.zone(), - 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(); - } - }, + /** + * 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(); - deprecations = {}, + // to avoid double fireing of this event because we have two hammer instances. (on canvas and on frame) + this.touchTime = new Date().valueOf(); - lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin']; + this._handleTouch(this.drag.pointer); + } + }; - // 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'); - } - } + /** + * handle drag start event + * @private + */ + Network.prototype._onDragStart = function () { + this._handleDragStart(); + }; - function hasOwnProp(a, b) { - return hasOwnProperty.call(a, b); - } - 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 - }; - } + /** + * 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() { + var drag = this.drag; + var node = this._getNodeAt(drag.pointer); + // note: drag.pointer is set in _onTouch to get the initial touch location - function printMsg(msg) { - if (moment.suppressDeprecationWarnings === false && - typeof console !== 'undefined' && console.warn) { - console.warn('Deprecation warning: ' + msg); - } - } + drag.dragging = true; + drag.selection = []; + drag.translation = this._getTranslation(); + drag.nodeId = null; + this.draggingNodes = false; - function deprecate(msg, fn) { - var firstTime = true; - return extend(function () { - if (firstTime) { - printMsg(msg); - firstTime = false; - } - return fn.apply(this, arguments); - }, fn); + if (node != null && this.constants.dragNodes == true) { + this.draggingNodes = true; + drag.nodeId = node.id; + // select the clicked node if not yet selected + if (!node.isSelected()) { + this._selectObject(node,false); } - function deprecateSimple(name, msg) { - if (!deprecations[name]) { - printMsg(msg); - deprecations[name] = true; - } - } + this.emit("dragStart",{nodeIds:this.getSelection().nodes}); - 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); + // 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, + + // store original x, y, xFixed and yFixed, make the node temporarily Fixed + x: object.x, + y: object.y, + xFixed: object.xFixed, + yFixed: object.yFixed }; - } - 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); + object.xFixed = true; + object.yFixed = true; + + drag.selection.push(s); + } } - formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3); + } + }; - /************************************ - Constructors - ************************************/ + /** + * handle drag event + * @private + */ + Network.prototype._onDrag = function (event) { + this._handleOnDrag(event) + }; - function Locale() { - } - // Moment prototype object - function Moment(config, skipOverflow) { - if (skipOverflow !== false) { - checkOverflow(config); - } - copyConfig(this, config); - this._d = new Date(+config._d); - } + /** + * 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; + } - // 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; + // remove the focus on node if it is focussed on by the focusOnNode + this.releaseNode(); - // 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; + 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; - this._data = {}; + // update position of all selected nodes + selection.forEach(function (s) { + var node = s.node; - this._locale = moment.localeData(); + if (!s.xFixed) { + node.x = me._XconvertDOMtoCanvas(me._XconvertCanvasToDOM(s.x) + deltaX); + } - this._bubble(); - } + if (!s.yFixed) { + node.y = me._YconvertDOMtoCanvas(me._YconvertCanvasToDOM(s.y) + deltaY); + } + }); - /************************************ - Helpers - ************************************/ + // start _animationStep if not yet running + if (!this.moving) { + this.moving = true; + this.start(); + } + } + else { + if (this.constants.dragNetwork == true) { + // move the network + var diffX = pointer.x - this.drag.pointer.x; + var diffY = pointer.y - this.drag.pointer.y; - function extend(a, b) { - for (var i in b) { - if (hasOwnProp(b, i)) { - a[i] = b[i]; - } - } + this._setTranslation( + this.drag.translation.x + diffX, + this.drag.translation.y + diffY + ); + this._redraw(); + // this.moving = true; + // this.start(); + } + } + }; - if (hasOwnProp(b, 'toString')) { - a.toString = b.toString; - } + /** + * handle drag start event + * @private + */ + Network.prototype._onDragEnd = function (event) { + this._handleDragEnd(event); + }; - if (hasOwnProp(b, 'valueOf')) { - a.valueOf = b.valueOf; - } - return a; - } + 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 copyConfig(to, from) { - var i, prop, val; + } + /** + * 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); - 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; - } + }; - if (momentProperties.length > 0) { - for (i in momentProperties) { - prop = momentProperties[i]; - val = from[prop]; - if (typeof val !== 'undefined') { - to[prop] = val; - } - } - } - return to; - } + /** + * handle doubletap event + * @private + */ + Network.prototype._onDoubleTap = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleDoubleTap(pointer); + }; - function absRound(number) { - if (number < 0) { - return Math.ceil(number); - } else { - return Math.floor(number); - } - } - // 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 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); + }; - while (output.length < targetLength) { - output = '0' + output; - } - return (sign ? (forceSign ? '+' : '') : '-') + output; - } + /** + * handle the release of the screen + * + * @private + */ + Network.prototype._onRelease = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleOnRelease(pointer); + }; - function positiveMomentsDifference(base, other) { - var res = {milliseconds: 0, months: 0}; + /** + * Handle pinch event + * @param event + * @private + */ + Network.prototype._onPinch = function (event) { + var pointer = this._getPointer(event.gesture.center); - res.months = other.month() - base.month() + - (other.year() - base.year()) * 12; - if (base.clone().add(res.months, 'M').isAfter(other)) { - --res.months; - } + this.drag.pinched = true; + if (!('scale' in this.pinch)) { + this.pinch.scale = 1; + } - res.milliseconds = +other - +(base.clone().add(res.months, 'M')); + // TODO: enabled moving while pinching? + var scale = this.pinch.scale * event.gesture.scale; + this._zoom(scale, pointer) + }; - return res; + /** + * 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; + } + if (scale > 10) { + scale = 10; } - 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; + 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(); - // 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; - } + var scaleFrac = scale / scaleOld; + var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; + var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac; - val = typeof val === 'string' ? +val : val; - dur = moment.duration(val, period); - addOrSubtractDurationFromMoment(this, dur, direction); - return this; - }; - } + this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), + "y" : this._YconvertDOMtoCanvas(pointer.y)}; - function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) { - var milliseconds = duration._milliseconds, - days = duration._days, - months = duration._months; - updateOffset = updateOffset == null ? true : updateOffset; + this._setScale(scale); + this._setTranslation(tx, ty); + this.updateClustersDefault(); - 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); - } + if (preScaleDragPointer != null) { + var postScaleDragPointer = this.canvasToDOM(preScaleDragPointer); + this.drag.pointer.x = postScaleDragPointer.x; + this.drag.pointer.y = postScaleDragPointer.y; } - // check if is an array - function isArray(input) { - return Object.prototype.toString.call(input) === '[object Array]'; - } + this._redraw(); - function isDate(input) { - return Object.prototype.toString.call(input) === '[object Date]' || - input instanceof Date; + if (scaleOld < scale) { + this.emit("zoom", {direction:"+"}); } - - // 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 { + this.emit("zoom", {direction:"-"}); } - function normalizeUnits(units) { - if (units) { - var lowered = units.toLowerCase().replace(/(.)s$/, '$1'); - units = unitAliases[units] || camelFunctions[lowered] || lowered; - } - return units; - } + return scale; + } + }; - function normalizeObjectUnits(inputObject) { - var normalizedInput = {}, - normalizedProp, - prop; - for (prop in inputObject) { - if (hasOwnProp(inputObject, prop)) { - normalizedProp = normalizeUnits(prop); - if (normalizedProp) { - normalizedInput[normalizedProp] = inputObject[prop]; - } - } - } + /** + * 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 delta is nonzero, handle it. + // Basically, delta is now positive if wheel was scrolled up, + // and negative, if wheel was scrolled down. + if (delta) { - return normalizedInput; + // calculate the new scale + var scale = this._getScale(); + var zoom = delta / 10; + if (delta < 0) { + zoom = zoom / (1 - zoom); } + scale *= (1 + zoom); - function makeList(field) { - var count, setter; - - if (field.indexOf('week') === 0) { - count = 7; - setter = 'day'; - } - else if (field.indexOf('month') === 0) { - count = 12; - setter = 'month'; - } - else { - return; - } + // calculate the pointer location + var gesture = hammerUtil.fakeGesture(this, event); + var pointer = this._getPointer(gesture.center); - moment[field] = function (format, index) { - var i, getter, - method = moment._locale[field], - results = []; + // apply the new scale + this._zoom(scale, pointer); + } - if (typeof format === 'number') { - index = format; - format = undefined; - } + // Prevent default actions caused by mouse wheel. + event.preventDefault(); + }; - getter = function (i) { - var m = moment().utc().set(setter, i); - return method.call(moment._locale, m, format || ''); - }; - if (index != null) { - return getter(index); - } - else { - for (i = 0; i < count; i++) { - results.push(getter(i)); - } - return results; - } - }; - } + /** + * 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); - function toInt(argumentForCoercion) { - var coercedNumber = +argumentForCoercion, - value = 0; + // check if the previously selected node is still selected + if (this.popupObj) { + this._checkHidePopup(pointer); + } - if (coercedNumber !== 0 && isFinite(coercedNumber)) { - if (coercedNumber >= 0) { - value = Math.floor(coercedNumber); - } else { - value = Math.ceil(coercedNumber); - } - } + // 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); + } - return value; - } - function daysInMonth(year, month) { - return new Date(Date.UTC(year, month + 1, 0)).getUTCDate(); + /** + * 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]; + } } - function weeksInYear(year, dow, doy) { - return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week; + // adding hover highlights + var obj = this._getNodeAt(pointer); + if (obj == null) { + obj = this._getEdgeAt(pointer); } - - function daysInYear(year) { - return isLeapYear(year) ? 366 : 365; + if (obj != null) { + this._hoverObject(obj); } - function isLeapYear(year) { - return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; + // 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(); + } + }; - 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; + /** + * 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) + }; - if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { - overflow = DATE; - } + var id; + var lastPopupNode = this.popupObj; - m._pf.overflow = overflow; + if (this.popupObj == undefined) { + // search the nodes for overlap, select the top one in case of multiple nodes + var nodes = this.nodes; + for (id in nodes) { + if (nodes.hasOwnProperty(id)) { + var node = nodes[id]; + if (node.getTitle() !== undefined && node.isOverlappingWith(obj)) { + this.popupObj = node; + break; } + } } + } - 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; - } + if (this.popupObj === undefined) { + // search the edges for overlap + var edges = this.edges; + for (id in edges) { + if (edges.hasOwnProperty(id)) { + var edge = edges[id]; + if (edge.connected && (edge.getTitle() !== undefined) && + edge.isOverlappingWith(obj)) { + this.popupObj = edge; + break; } - return m._isValid; + } } + } - function normalizeLocale(key) { - return key ? key.toLowerCase().replace('_', '-') : key; + 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); + } + + // 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(); } + } + }; - // 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; + /** + * 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(); } + } + }; - 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]; - } - // Return a moment from input, that is local/utc/zone 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(); - } + /** + * 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%'; + + this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; + this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; + + 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. + + 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; } + } - /************************************ - Locale - ************************************/ + 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}); + } + }; + /** + * 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; - extend(Locale.prototype, { + 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'); + } - 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 (oldNodesData) { + // unsubscribe from old dataset + util.forEach(this.nodesListeners, function (callback, event) { + oldNodesData.off(event, callback); + }); + } - _months : 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'), - months : function (m) { - return this._months[m.month()]; - }, + // remove drawn nodes + this.nodes = {}; - _monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'), - monthsShort : function (m) { - return this._monthsShort[m.month()]; - }, + if (this.nodesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.nodesListeners, function (callback, event) { + me.nodesData.on(event, callback); + }); - monthsParse : function (monthName, format, strict) { - var i, mom, regex; + // draw all new nodes + var ids = this.nodesData.getIds(); + this._addNodes(ids); + } + this._updateSelection(); + }; - if (!this._monthsParse) { - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - } + /** + * 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; + } - 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; - } - } - }, + 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(); + }; - _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'), - weekdays : function (m) { - return this._weekdays[m.day()]; - }, + /** + * 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); + }; - _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'), - weekdaysShort : function (m) { - return this._weekdaysShort[m.day()]; - }, + /** + * 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); + }; - _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'), - weekdaysMin : function (m) { - return this._weekdaysMin[m.day()]; - }, + /** + * 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; - weekdaysParse : function (weekdayName) { - var i, mom, regex; + 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 (!this._weekdaysParse) { - this._weekdaysParse = []; - } + if (oldEdgesData) { + // unsubscribe from old dataset + util.forEach(this.edgesListeners, function (callback, event) { + oldEdgesData.off(event, callback); + }); + } - 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; - } - } - }, + // remove drawn edges + this.edges = {}; - _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; - }, + if (this.edgesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.edgesListeners, function (callback, event) { + me.edgesData.on(event, callback); + }); - 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'); - }, + // draw all new nodes + var ids = this.edgesData.getIds(); + this._addEdges(ids); + } - _meridiemParse : /[ap]\.?m?\.?/i, - meridiem : function (hours, minutes, isLower) { - if (hours > 11) { - return isLower ? 'pm' : 'PM'; - } else { - return isLower ? 'am' : 'AM'; - } - }, + this._reconnectEdges(); + }; - _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; - }, + /** + * Add edges + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._addEdges = function (ids) { + var edges = this.edges, + edgesData = this.edgesData; - _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' - }, + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; - 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 oldEdge = edges[id]; + if (oldEdge) { + oldEdge.disconnect(); + } - pastFuture : function (diff, output) { - var format = this._relativeTime[diff > 0 ? 'future' : 'past']; - return typeof format === 'function' ? format(output) : format.replace(/%s/i, output); - }, + 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(); + } + }; - ordinal : function (number) { - return this._ordinal.replace('%d', number); - }, - _ordinal : '%d', - _ordinalParse : /\d{1,2}/, + /** + * 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]; - preparse : function (string) { - return string; - }, + 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; + } + } - postformat : function (string) { - return string; - }, + this._createBezierNodes(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this.moving = true; + this._updateValueRange(edges); + }; - week : function (mom) { - return weekOfYear(mom, this._week.dow, this._week.doy).week; - }, + /** + * 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]; + } + } - _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. - }, + this.moving = true; + this._updateValueRange(edges); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); + }; - _invalidDate: 'Invalid date', - invalidDate: function () { - return this._invalidDate; - } - }); + /** + * 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 = []; + } + } - /************************************ - Formatting - ************************************/ + for (id in edges) { + if (edges.hasOwnProperty(id)) { + var edge = edges[id]; + edge.from = null; + edge.to = null; + edge.connect(); + } + } + }; + /** + * 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; - function removeFormattingTokens(input) { - if (input.match(/\[[\s\S]/)) { - return input.replace(/^\[|\]$/g, ''); - } - return input.replace(/\\/g, ''); + // 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); + } } + } - function makeFormatFunction(format) { - var array = format.match(formattingTokens), i, length; + // adjust the range of all objects + if (valueMin !== undefined && valueMax !== undefined) { + for (id in obj) { + if (obj.hasOwnProperty(id)) { + obj[id].setValueRange(valueMin, valueMax); + } + } + } + }; - for (i = 0, length = array.length; i < length; i++) { - if (formatTokenFunctions[array[i]]) { - array[i] = formatTokenFunctions[array[i]]; - } else { - array[i] = removeFormattingTokens(array[i]); - } - } + /** + * 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(); + }; - 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; - }; - } + /** + * Redraw the network with the current data + * @private + */ + Network.prototype._redraw = function() { + var ctx = this.frame.canvas.getContext('2d'); - // format date using native date object - function formatMoment(m, format) { - if (!m.isValid()) { - return m.localeData().invalidDate(); - } + ctx.setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); - format = expandFormat(format, m.localeData()); + // 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); - if (!formatFunctions[format]) { - formatFunctions[format] = makeFormatFunction(format); - } + // set scaling and translation + ctx.save(); + ctx.translate(this.translation.x, this.translation.y); + ctx.scale(this.scale, this.scale); - return formatFunctions[format](m); - } + 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) + }; - function expandFormat(format, locale) { - var i = 5; - function replaceLongDateFormatTokens(input) { - return locale.longDateFormat(input) || input; - } + this._doInAllSectors("_drawAllSectorNodes",ctx); + if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideEdgesOnDrag == false) { + this._doInAllSectors("_drawEdges",ctx); + } - localFormattingTokens.lastIndex = 0; - while (i >= 0 && localFormattingTokens.test(format)) { - format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); - localFormattingTokens.lastIndex = 0; - i -= 1; - } + if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideNodesOnDrag == false) { + this._doInAllSectors("_drawNodes",ctx,false); + } - return format; - } + if (this.controlNodesActive == true) { + this._doInAllSectors("_drawControlNodes",ctx); + } + // this._doInSupportSector("_drawNodes",ctx,true); + // this._drawTree(ctx,"#F00F0F"); - /************************************ - Parsing - ************************************/ + // restore original scaling and translation + ctx.restore(); + }; + /** + * 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 + }; + } - // 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; - } - } + if (offsetX !== undefined) { + this.translation.x = offsetX; + } + if (offsetY !== undefined) { + this.translation.y = offsetY; + } + + this.emit('viewChanged'); + }; + + /** + * 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 + }; + }; - function timezoneMinutesFromString(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]); + /** + * Scale the network + * @param {Number} scale Scaling factor 1.0 is unscaled + * @private + */ + Network.prototype._setScale = function(scale) { + this.scale = scale; + }; - return parts[0] === '+' ? -minutes : minutes; - } + /** + * Get the current scale of the network + * @return {Number} scale Scaling factor 1.0 is unscaled + * @private + */ + Network.prototype._getScale = function() { + return this.scale; + }; - // function to convert string input to date - function addTimeToArrayFromToken(token, input, config) { - var a, datePartArray = config._a; + /** + * 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; + }; - 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); - } + /** + * 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; + }; - 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._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 = timezoneMinutesFromString(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); - } - } + /** + * 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; + }; - function dayOfYearFromWeekInfo(config) { - var w, weekYear, week, weekday, dow, doy, temp; + /** + * 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 ; + }; - w = config._w; - if (w.GG != null || w.W != null || w.E != null) { - dow = 1; - doy = 4; - // 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; + /** + * + * @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)}; + }; - weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year); - week = dfl(w.w, 1); + /** + * + * @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)}; + }; - 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; - } + /** + * 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; + } + + // 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); } - temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow); + } + } + } - config._a[YEAR] = temp.year; - config._dayOfYear = temp.dayOfYear; + // 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); } + } + }; - // 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; + /** + * 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); + } + } + } + }; - if (config._d) { - return; - } + /** + * 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); + } + } + }; - currentDate = currentDateArray(config); + /** + * Find a stable position for all nodes + * @private + */ + Network.prototype._stabilize = function() { + if (this.constants.freezeForStabilization == true) { + this._freezeDefinedNodes(); + } - //compute day of the year from weeks and weekdays - if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { - dayOfYearFromWeekInfo(config); - } + // find stable position + var count = 0; + while (this.moving && count < this.constants.stabilizationIterations) { + this._physicsTick(); + count++; + } + this.zoomExtent(undefined,false,true); + if (this.constants.freezeForStabilization == true) { + this._restoreFrozenNodes(); + } + }; - //if the day of the year is set, figure out what it is - if (config._dayOfYear) { - yearToUse = dfl(config._a[YEAR], currentDate[YEAR]); + /** + * 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; + } + } + } + }; - if (config._dayOfYear > daysInYear(yearToUse)) { - config._pf._overflowDayOfYear = true; - } + /** + * 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; + } + } + } + }; - date = makeUTCDate(yearToUse, 0, config._dayOfYear); - config._a[MONTH] = date.getUTCMonth(); - config._a[DATE] = date.getUTCDate(); - } - // 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]; - } + /** + * 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; + }; - // 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]; - } - // 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; - } + /** + * /** + * 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; - config._d = (config._useUTC ? makeUTCDate : makeDate).apply(null, input); - // Apply timezone offset from input. The actual zone can be changed - // with parseZone. - if (config._tzm != null) { - config._d.setUTCMinutes(config._d.getUTCMinutes() + config._tzm); - } + 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; + } + } + } - if (config._nextDay) { - config._a[HOUR] = 24; - } + 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; + }; - function dateFromObject(config) { - var normalizedInput; + /** + * 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; - if (config._d) { - return; - } + 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;} - normalizedInput = normalizeObjectUnits(config._i); - config._a = [ - normalizedInput.year, - normalizedInput.month, - normalizedInput.day || normalizedInput.date, - normalizedInput.hour, - normalizedInput.minute, - normalizedInput.second, - normalizedInput.millisecond - ]; + // determine if the network has stabilzied + this.moving = mainMovingStatus || supportMovingStatus; - dateFromConfig(config); + this.stabilizationIterations++; } + } + }; - 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()]; - } - } - // date from string and format string - function makeDateFromStringAndFormat(config) { - if (config._f === moment.ISO_8601) { - parseISO(config); - return; - } + /** + * 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; + // handle the keyboad movement + this._handleNavigation(); - config._a = []; - config._pf.empty = true; + // this schedules a new animation step + this.start(); - // 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; + // start the physics simulation + var calculationTime = Date.now(); + var maxSteps = 1; + this._physicsTick(); + var timeRequired = Date.now() - calculationTime; + while (timeRequired < 0.9*(this.renderTimestep - this.renderTime) && maxSteps < this.maxPhysicsTicksPerRender) { + this._physicsTick(); + timeRequired = Date.now() - calculationTime; + maxSteps++; + } + // start the rendering process + var renderTime = Date.now(); + this._redraw(); + this.renderTime = Date.now() - renderTime; + }; - tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; + if (typeof window !== 'undefined') { + window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || + window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; + } - 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); - } - } + /** + * 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.startedStabilization == false) { + this.emit("startStabilization"); + this.startedStabilization = true; + } - // add remaining unparsed input length to the string - config._pf.charsLeftOver = stringLength - totalParsedInputLength; - if (string.length > 0) { - config._pf.unusedInput.push(string); - } + if (!this.timer) { + var ua = navigator.userAgent.toLowerCase(); - // clear _12h flag if hour is <= 12 - if (config._pf.bigHour === true && config._a[HOUR] <= 12) { - config._pf.bigHour = undefined; - } - // handle am pm - if (config._isPm && config._a[HOUR] < 12) { - config._a[HOUR] += 12; - } - // if is 12 am, change hours to 0 - if (config._isPm === false && config._a[HOUR] === 12) { - config._a[HOUR] = 0; + var requiresTimeout = false; + if (ua.indexOf('msie 9.0') != -1) { // IE 9 + requiresTimeout = true; + } + else if (ua.indexOf('safari') != -1) { // safari + if (ua.indexOf('chrome') <= -1) { + requiresTimeout = true; } - dateFromConfig(config); - checkOverflow(config); - } + } - function unescapeFormat(s) { - return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { - return p1 || p2 || p3 || p4; - }); + if (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), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function + } } - - // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript - function regexpEscape(s) { - return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + } + else { + this._redraw(); + if (this.stabilizationIterations > 0) { + // 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 + }; + me.stabilizationIterations = 0; + me.startedStabilization = false; + setTimeout(function () { + me.emit("stabilized", params); + }, 0); } + } + }; - // date from string and array of format strings - function makeDateFromStringAndArray(config) { - var tempConfig, - bestMoment, - - scoreToBeat, - i, - currentScore; - - if (config._f.length === 0) { - config._pf.invalidFormat = true; - config._d = new Date(NaN); - return; - } - - 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); - if (!isValid(tempConfig)) { - continue; - } + /** + * 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); + } + }; - // if there is any input that was not parsed add a penalty for that format - currentScore += tempConfig._pf.charsLeftOver; - //or tokens - currentScore += tempConfig._pf.unusedTokens.length * 10; + /** + * Freeze the _animationStep + */ + Network.prototype.toggleFreeze = function() { + if (this.freezeSimulation == false) { + this.freezeSimulation = true; + } + else { + this.freezeSimulation = false; + this.start(); + } + }; - tempConfig._pf.score = currentScore; - if (scoreToBeat == null || currentScore < scoreToBeat) { - scoreToBeat = currentScore; - bestMoment = tempConfig; - } + /** + * 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]; } - - extend(config, bestMoment || tempConfig); + } + } + } + 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; + } } + } - // date from iso format - function parseISO(config) { - var i, l, - string = config._i, - match = isoRegex.exec(string); - 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; - } - } + this._updateCalculationNodes(); + if (!disableStart) { + this.moving = true; + this.start(); + } + }; - // date from iso format or fallback - function makeDateFromString(config) { - parseISO(config); - if (config._isValid === false) { - delete config._isValid; - moment.createFromInputFallback(config); - } - } - function map(arr, fn) { - var res = [], i; - for (i = 0; i < arr.length; ++i) { - res.push(fn(arr[i], i)); + /** + * 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(); } - return res; + } } + } + }; - 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); - } + /** + * 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]; } + } + }; - 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); + /** + * 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(); + }; - //the date constructor doesn't accept years < 1970 - if (y < 1970) { - date.setFullYear(y); - } - return date; + /** + * 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); + }; - function makeUTCDate(y) { - var date = new Date(Date.UTC.apply(null, arguments)); - if (y < 1970) { - date.setUTCFullYear(y); + /** + * 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)}; } - return date; + } } - - 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; + else { + if (this.nodes[ids] !== undefined) { + var node = this.nodes[ids]; + dataArray[ids] = {x: Math.round(node.x), y: Math.round(node.y)}; + } } - - /************************************ - Relative Time - ************************************/ - - - // 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); + } + 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; + }; - 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')), - 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); + /** + * 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; + + this.moveTo(options) + } + else { + console.log("This nodeId cannot be found."); + } + }; + /** + * + * @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 - /************************************ - Week of Year - ************************************/ + 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 + */ + Network.prototype.animateView = function (options) { + if (options === undefined) { + options = {}; + return; + } - // 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; + // release if something focussed on the node + this.releaseNode(); + if (options.locked == true) { + this.lockedOnNodeId = options.lockedOnNode; + this.lockedOnNodeOffset = options.offset; + } + // 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. + } - if (daysToDayOfWeek > end) { - daysToDayOfWeek -= 7; - } + this.sourceScale = this._getScale(); + this.sourceTranslation = this._getTranslation(); + this.targetScale = options.scale; - if (daysToDayOfWeek < end - 7) { - daysToDayOfWeek += 7; - } + // 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 + }; - adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd'); - return { - week: Math.ceil(adjustedMoment.dayOfYear() / 7), - year: adjustedMoment.year() - }; + // 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; } - - //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 - }; + 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(); + } + }; - /************************************ - Top Level Functions - ************************************/ - - function makeMoment(config) { - var input = config._i, - format = config._f, - res; - - config._locale = config._locale || moment.localeData(config._l); - if (input === null || (format === undefined && input === '')) { - return moment.invalid({nullInput: true}); - } + 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 + }; - if (typeof input === 'string') { - config._i = input = config._locale.preparse(input); - } + this._setTranslation(targetTranslation.x,targetTranslation.y); + this._classicRedraw(); + } - if (moment.isMoment(input)) { - return new Moment(input, true); - } else if (format) { - if (isArray(format)) { - makeDateFromStringAndArray(config); - } else { - makeDateFromStringAndFormat(config); - } - } else { - makeDateFromInput(config); - } + Network.prototype.releaseNode = function () { + if (this.lockedOnNodeId != null) { + this._redraw = this._classicRedraw; + this.lockedOnNodeId = null; + this.lockedOnNodeOffset = null; + } + } - res = new Moment(config); - if (res._nextDay) { - // Adding is smart enough around DST - res.add(1, 'd'); - res._nextDay = undefined; - } + /** + * + * @param easingTime + * @private + */ + Network.prototype._transitionRedraw = function (easingTime) { + this.easingTime = easingTime || this.easingTime + this.animationSpeed; + this.easingTime += this.animationSpeed; - return res; - } + var progress = util.easingFunctions[this.animationEasingFunction](this.easingTime); - moment = function (input, format, locale, strict) { - var c; + 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 + ); - 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(); + this._classicRedraw(); + this.moving = true; - return makeMoment(c); - }; + // 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"); + } + }; - moment.suppressDeprecationWarnings = false; + Network.prototype._classicRedraw = function () { + // placeholder function to be overloaded by animations; + }; - 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' : '')); - } - ); + /** + * Returns true when the Network is active. + * @returns {boolean} + */ + Network.prototype.isActive = function () { + return !this.activator || this.activator.active; + }; - // 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); + /** + * Sets the scale + * @returns {Number} + */ + Network.prototype.setScale = function () { + return this._setScale(); + }; - return pickBy('isBefore', args); - }; - moment.max = function () { - var args = [].slice.call(arguments, 0); + /** + * Returns the scale + * @returns {Number} + */ + Network.prototype.getScale = function () { + return this._getScale(); + }; - return pickBy('isAfter', args); - }; - // creating with utc - moment.utc = function (input, format, locale, strict) { - var c; + /** + * 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}); + }; - 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(); + module.exports = Network; - return makeMoment(c).utc(); - }; - // creating with unix timestamp (in seconds) - moment.unix = function (input) { - return moment(input * 1000); - }; +/***/ }, +/* 52 */ +/***/ function(module, exports, __webpack_require__) { - // duration - moment.duration = function (input, key) { - var duration = input, - // matching against regexp is expensive, do it on demand - match = null, - sign, - ret, - parseIso, - diffRes; + /** + * 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(); + } - 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 (typeof duration === 'object' && - ('from' in duration || 'to' in duration)) { - diffRes = momentsDifference(moment(duration.from), moment(duration.to)); + // token types enumeration + var TOKENTYPE = { + NULL : 0, + DELIMITER : 1, + IDENTIFIER: 2, + UNKNOWN : 3 + }; - duration = {}; - duration.ms = diffRes.milliseconds; - duration.M = diffRes.months; - } + // map with all delimiters + var DELIMITERS = { + '{': true, + '}': true, + '[': true, + ']': true, + ';': true, + '=': true, + ',': true, - ret = new Duration(duration); + '->': true, + '--': true + }; - if (moment.isDuration(input) && hasOwnProp(input, '_locale')) { - ret._locale = input._locale; - } + 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 - return ret; - }; + /** + * 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); + } - // version number - moment.version = VERSION; + /** + * 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); + } - // default format - moment.defaultFormat = isoFormat; + /** + * Preview the next character from the dot file. + * @return {String} cNext + */ + function nextPreview() { + return dot.charAt(index + 1); + } - // constant that refers to the ISO standard - moment.ISO_8601 = function () {}; + /** + * 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); + } - // Plugins that add properties should also add the key here (null value), - // so we can properly clone ourselves. - moment.momentProperties = momentProperties; + /** + * 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 = {}; + } - // 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 () {}; + if (b) { + for (var name in b) { + if (b.hasOwnProperty(name)) { + a[name] = b[name]; + } + } + } + return a; + } - // 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; - }; + /** + * 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; + } + } + } - moment.lang = deprecate( - 'moment.lang is deprecated. Use moment.locale instead.', - function (key, value) { - return moment.locale(key, value); - } - ); + /** + * 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; - // 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); - } + // 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; + } - if (data) { - moment.duration._locale = moment._locale = data; - } - } + // 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; + } + } + } - return moment._locale._abbr; + if (!current) { + // this is a new node + current = { + id: node.id }; + if (graph.node) { + // clone default attributes + current.attr = merge(current.attr, graph.node); + } + } - moment.defineLocale = function (name, values) { - if (values !== null) { - values.abbr = name; - if (!locales[name]) { - locales[name] = new Locale(); - } - locales[name].set(values); - - // backwards compat for now: also set the locale - moment.locale(name); + // add node to this (sub)graph and all its parent graphs + for (i = graphs.length - 1; i >= 0; i--) { + var g = graphs[i]; - return locales[name]; - } else { - // useful for testing - delete locales[name]; - return null; - } - }; + if (!g.nodes) { + g.nodes = []; + } + if (g.nodes.indexOf(current) == -1) { + g.nodes.push(current); + } + } - moment.langData = deprecate( - 'moment.langData is deprecated. Use moment.localeData instead.', - function (key) { - return moment.localeData(key); - } - ); + // merge attributes + if (node.attr) { + current.attr = merge(current.attr, node.attr); + } + } - // returns locale data - moment.localeData = function (key) { - var locale; + /** + * 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 + } + } - if (key && key._locale && key._locale._abbr) { - key = key._locale._abbr; - } + /** + * 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 + }; - if (!key) { - return moment._locale; - } + if (graph.edge) { + edge.attr = merge({}, graph.edge); // clone default attributes + } + edge.attr = merge(edge.attr || {}, attr); // merge attributes - if (!isArray(key)) { - //short-circuit everything else - locale = loadLocale(key); - if (locale) { - return locale; - } - key = [key]; - } + return edge; + } - return chooseLocale(key); - }; + /** + * 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 = ''; - // compare moment object - moment.isMoment = function (obj) { - return obj instanceof Moment || - (obj != null && hasOwnProp(obj, '_isAMomentObject')); - }; + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); + } - // for typechecking Duration objects - moment.isDuration = function (obj) { - return obj instanceof Duration; - }; + do { + var isComment = false; - for (i = lists.length - 1; i >= 0; --i) { - makeList(lists[i]); + // 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; + } } - - moment.normalizeUnits = function (units) { - return normalizeUnits(units); - }; - - moment.invalid = function (flags) { - var m = moment.utc(NaN); - if (flags != null) { - extend(m._pf, flags); + 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 { - m._pf.userInvalidated = true; + next(); } + } + isComment = true; + } - return m; - }; - - moment.parseZone = function () { - return moment.apply(null, arguments).parseZone(); - }; + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); + } + } + while (isComment); - moment.parseTwoDigitYear = function (input) { - return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); - }; + // check for end of dot file + if (c == '') { + // token is still empty + tokenType = TOKENTYPE.DELIMITER; + return; + } - /************************************ - Moment Prototype - ************************************/ + // check for delimiters consisting of 2 characters + var c2 = c + nextPreview(); + if (DELIMITERS[c2]) { + tokenType = TOKENTYPE.DELIMITER; + token = c2; + next(); + next(); + return; + } + // check for delimiters consisting of 1 character + if (DELIMITERS[c]) { + tokenType = TOKENTYPE.DELIMITER; + token = c; + next(); + return; + } - extend(moment.fn = Moment.prototype, { + // 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(); - clone : function () { - return moment(this); - }, + 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; + } - valueOf : function () { - return +this._d + ((this._offset || 0) * 60000); - }, + // 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; + } - unix : function () { - return Math.floor(+this / 1000); - }, + // 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) + '"'); + } - toString : function () { - return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); - }, + /** + * Parse a graph. + * @returns {Object} graph + */ + function parseGraph() { + var graph = {}; - toDate : function () { - return this._offset ? new Date(+this) : this._d; - }, + first(); + getToken(); - 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]'); - } - }, + // optional strict keyword + if (token == 'strict') { + graph.strict = true; + getToken(); + } - toArray : function () { - var m = this; - return [ - m.year(), - m.month(), - m.date(), - m.hours(), - m.minutes(), - m.seconds(), - m.milliseconds() - ]; - }, + // graph or digraph keyword + if (token == 'graph' || token == 'digraph') { + graph.type = token; + getToken(); + } - isValid : function () { - return isValid(this); - }, + // optional graph id + if (tokenType == TOKENTYPE.IDENTIFIER) { + graph.id = token; + getToken(); + } - isDSTShifted : function () { - if (this._a) { - return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0; - } + // open angle bracket + if (token != '{') { + throw newSyntaxError('Angle bracket { expected'); + } + getToken(); - return false; - }, + // statements + parseStatements(graph); - parsingFlags : function () { - return extend({}, this._pf); - }, + // close angle bracket + if (token != '}') { + throw newSyntaxError('Angle bracket } expected'); + } + getToken(); - invalidAt: function () { - return this._pf.overflow; - }, + // end of file + if (token !== '') { + throw newSyntaxError('End of file expected'); + } + getToken(); - utc : function (keepLocalTime) { - return this.zone(0, keepLocalTime); - }, + // remove temporary default properties + delete graph.node; + delete graph.edge; + delete graph.graph; - local : function (keepLocalTime) { - if (this._isUTC) { - this.zone(0, keepLocalTime); - this._isUTC = false; + return graph; + } - if (keepLocalTime) { - this.add(this._dateTzOffset(), 'm'); - } - } - return this; - }, + /** + * Parse a list with statements. + * @param {Object} graph + */ + function parseStatements (graph) { + while (token !== '' && token != '}') { + parseStatement(graph); + if (token == ';') { + getToken(); + } + } + } - format : function (inputString) { - var output = formatMoment(this, inputString || moment.defaultFormat); - return this.localeData().postformat(output); - }, + /** + * 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); - add : createAdder(1, 'add'), + return; + } - subtract : createAdder(-1, 'subtract'), + // parse an attribute statement + var attr = parseAttributeStatement(graph); + if (attr) { + return; + } - diff : function (input, units, asFloat) { - var that = makeAs(input, this), - zoneDiff = (this.zone() - that.zone()) * 6e4, - diff, output, daysAdjust; + // parse node + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier expected'); + } + var id = token; // id can be a string or a number + getToken(); - units = normalizeUnits(units); + 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); + } + } - if (units === 'year' || units === 'month') { - // average number of days in the months in the given dates - diff = (this.daysInMonth() + that.daysInMonth()) * 432e5; // 24 * 60 * 60 * 1000 / 2 - // difference in months - output = ((this.year() - that.year()) * 12) + (this.month() - that.month()); - // adjust by taking difference in days, average number of days - // and dst in the given months. - daysAdjust = (this - moment(this).startOf('month')) - - (that - moment(that).startOf('month')); - // same as above but with zones, to negate all dst - daysAdjust -= ((this.zone() - moment(this).startOf('month').zone()) - - (that.zone() - moment(that).startOf('month').zone())) * 6e4; - output += daysAdjust / diff; - 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); - }, + /** + * Parse a subgraph + * @param {Object} graph parent graph object + * @return {Object | null} subgraph + */ + function parseSubgraph (graph) { + var subgraph = null; - from : function (time, withoutSuffix) { - return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); - }, + // optional subgraph keyword + if (token == 'subgraph') { + subgraph = {}; + subgraph.type = 'subgraph'; + getToken(); - fromNow : function (withoutSuffix) { - return this.from(moment(), withoutSuffix); - }, + // optional graph id + if (tokenType == TOKENTYPE.IDENTIFIER) { + subgraph.id = token; + getToken(); + } + } - calendar : function (time) { - // We want to compare the start of today, vs this. - // Getting start-of-today depends on whether we're zone'd 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))); - }, + // open angle bracket + if (token == '{') { + getToken(); - isLeapYear : function () { - return isLeapYear(this.year()); - }, + if (!subgraph) { + subgraph = {}; + } + subgraph.parent = graph; + subgraph.node = graph.node; + subgraph.edge = graph.edge; + subgraph.graph = graph.graph; - isDST : function () { - return (this.zone() < this.clone().month(0).zone() || - this.zone() < this.clone().month(5).zone()); - }, + // statements + parseStatements(subgraph); - 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; - } - }, + // close angle bracket + if (token != '}') { + throw newSyntaxError('Angle bracket } expected'); + } + getToken(); - month : makeAccessor('Month', true), + // remove temporary default properties + delete subgraph.node; + delete subgraph.edge; + delete subgraph.graph; + delete subgraph.parent; - 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 */ - } + // register at the parent graph + if (!graph.subgraphs) { + graph.subgraphs = []; + } + graph.subgraphs.push(subgraph); + } - // weeks are a special case - if (units === 'week') { - this.weekday(0); - } else if (units === 'isoWeek') { - this.isoWeekday(1); - } + return subgraph; + } - // quarters are also special - if (units === 'quarter') { - this.month(Math.floor(this.month() / 3) * 3); - } + /** + * 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(); - return this; - }, + // node attributes + graph.node = parseAttributeList(); + return 'node'; + } + else if (token == 'edge') { + 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'); - }, + // edge attributes + graph.edge = parseAttributeList(); + return 'edge'; + } + else if (token == 'graph') { + 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 attributes + graph.graph = parseAttributeList(); + return 'graph'; + } - 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; - } - }, + return null; + } - 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)); - } - }, + /** + * 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); - 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; - } - ), + // edge statements + parseEdge(graph, id); + } - 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; - } - ), + /** + * 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(); - // keepLocalTime = true means only change the timezone, without - // affecting the local hour. So 5:31:26 +0300 --[zone(2, true)]--> - // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist int zone - // +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. - zone : function (input, keepLocalTime) { - var offset = this._offset || 0, - localAdjust; - if (input != null) { - if (typeof input === 'string') { - input = timezoneMinutesFromString(input); - } - if (Math.abs(input) < 16) { - input = input * 60; - } - if (!this._isUTC && keepLocalTime) { - localAdjust = this._dateTzOffset(); - } - this._offset = input; - this._isUTC = true; - if (localAdjust != null) { - this.subtract(localAdjust, 'm'); - } - if (offset !== input) { - if (!keepLocalTime || this._changeInProgress) { - addOrSubtractDurationFromMoment(this, - moment.duration(offset - input, 'm'), 1, false); - } else if (!this._changeInProgress) { - this._changeInProgress = true; - moment.updateOffset(this, true); - this._changeInProgress = null; - } - } - } else { - return this._isUTC ? offset : this._dateTzOffset(); - } - return this; - }, + 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(); + } - zoneAbbr : function () { - return this._isUTC ? 'UTC' : ''; - }, + // parse edge attributes + var attr = parseAttributeList(); - zoneName : function () { - return this._isUTC ? 'Coordinated Universal Time' : ''; - }, + // create edge + var edge = createEdge(graph, from, to, type, attr); + addEdge(graph, edge); - parseZone : function () { - if (this._tzm) { - this.zone(this._tzm); - } else if (typeof this._i === 'string') { - this.zone(this._i); - } - return this; - }, + from = to; + } + } - hasAlignedHourOffset : function (input) { - if (!input) { - input = 0; - } - else { - input = moment(input).zone(); - } + /** + * Parse a set with attributes, + * for example [label="1.000", shape=solid] + * @return {Object | null} attr + */ + function parseAttributeList() { + var attr = null; - return (this.zone() - input) % 60 === 0; - }, + while (token == '[') { + getToken(); + attr = {}; + while (token !== '' && token != ']') { + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Attribute name expected'); + } + var name = token; - daysInMonth : function () { - return daysInMonth(this.year(), this.month()); - }, + getToken(); + if (token != '=') { + throw newSyntaxError('Equal sign = expected'); + } + getToken(); - 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'); - }, + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Attribute value expected'); + } + var value = token; + setValue(attr, name, value); // name can be a path - quarter : function (input) { - return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); - }, + getToken(); + if (token ==',') { + getToken(); + } + } - 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'); - }, + if (token != ']') { + throw newSyntaxError('Bracket ] expected'); + } + getToken(); + } - isoWeekYear : function (input) { - var year = weekOfYear(this, 1, 4).year; - return input == null ? year : this.add((input - year), 'y'); - }, + return attr; + } - week : function (input) { - var week = this.localeData().week(this); - return input == null ? week : this.add((input - week) * 7, 'd'); - }, + /** + * 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 + ')'); + } - isoWeek : function (input) { - var week = weekOfYear(this, 1, 4).week; - return input == null ? week : this.add((input - week) * 7, 'd'); - }, + /** + * 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) + '...'); + } - weekday : function (input) { - var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; - return input == null ? weekday : this.add(input - weekday, 'd'); - }, + /** + * 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); + } + } + } - 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); - }, + /** + * 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: {} + }; - isoWeeksInYear : function () { - return weeksInYear(this.year(), 1, 4); - }, + // 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); + }); + } + + // 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 + } + } + + if (dotEdge.to instanceof Object) { + to = dotEdge.to.nodes; + } + else { + to = { + id: dotEdge.to + } + } + + if (dotEdge.from instanceof Object && dotEdge.from.edges) { + dotEdge.from.edges.forEach(function (subEdge) { + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); + } - weeksInYear : function () { - var weekInfo = this.localeData()._week; - return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); - }, + 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); + }); - get : function (units) { - units = normalizeUnits(units); - return this[units](); - }, + if (dotEdge.to instanceof Object && dotEdge.to.edges) { + dotEdge.to.edges.forEach(function (subEdge) { + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); + } + }); + } - set : function (units, value) { - units = normalizeUnits(units); - if (typeof this[units] === 'function') { - this[units](value); - } - return this; - }, + // copy the options + if (dotData.attr) { + graphData.options = dotData.attr; + } - // 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; + return graphData; + } - if (key === undefined) { - return this._locale._abbr; - } else { - newLocaleData = moment.localeData(key); - if (newLocaleData != null) { - this._locale = newLocaleData; - } - return this; - } - }, + // exports + exports.parseDOT = parseDOT; + exports.DOTToGraph = DOTToGraph; - 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); - } - } - ), - localeData : function () { - return this._locale; - }, +/***/ }, +/* 53 */ +/***/ function(module, exports, __webpack_require__) { - _dateTzOffset : 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; - } - }); + + function parseGephi(gephiJSON, options) { + var edges = []; + var nodes = []; + this.options = { + edges: { + inheritColor: true + }, + nodes: { + allowedToMove: false, + parseColor: false + } + }; - function rawMonthSetter(mom, value) { - var dayOfMonth; + if (options !== undefined) { + this.options.nodes['allowedToMove'] = options.allowedToMove | false; + this.options.nodes['parseColor'] = options.parseColor | false; + this.options.edges['inheritColor'] = options.inheritColor | true; + } - // 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; - } - } + 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); + } - dayOfMonth = Math.min(mom.date(), - daysInMonth(mom.year(), value)); - mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); - return mom; + 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; } - - function rawGetter(mom, unit) { - return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit](); + 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); + } - function rawSetter(mom, unit, value) { - if (unit === 'Month') { - return rawMonthSetter(mom, value); - } else { - return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); - } - } + return {nodes:nodes, edges:edges}; + } - 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); - } - }; - } + exports.parseGephi = parseGephi; - 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)); +/***/ }, +/* 54 */ +/***/ function(module, exports, __webpack_require__) { - // 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; + var util = __webpack_require__(1); - // add aliased format methods - moment.fn.toJSON = moment.fn.toISOString; + /** + * @class Groups + * This class can store groups and properties specific for groups. + */ + function Groups() { + this.clear(); + this.defaultIndex = 0; + } - /************************************ - Duration Prototype - ************************************/ + /** + * 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 + ]; - function daysToYears (days) { - // 400 years have 146097 days (taking into account leap year rules) - return days * 400 / 146097; - } - function yearsToDays (years) { - // years * 365 + absRound(years / 4) - - // absRound(years / 100) + absRound(years / 400); - return years * 146097 / 400; + /** + * 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; + } + }; - extend(moment.duration.fn = Duration.prototype, { - _bubble : function () { - var milliseconds = this._milliseconds, - days = this._days, - months = this._months, - data = this._data, - seconds, minutes, hours, years = 0; + /** + * 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; + } - // The following code bubbles up values, see the tests for - // examples of what that means. - data.milliseconds = milliseconds % 1000; + return group; + }; - seconds = absRound(milliseconds / 1000); - data.seconds = seconds % 60; + /** + * 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; + if (style.color) { + style.color = util.parseColor(style.color); + } + return style; + }; - minutes = absRound(seconds / 60); - data.minutes = minutes % 60; + module.exports = Groups; - hours = absRound(minutes / 60); - data.hours = hours % 24; - days += absRound(hours / 24); +/***/ }, +/* 55 */ +/***/ function(module, exports, __webpack_require__) { - // Accurately convert days to years, assume start from year 0. - years = absRound(daysToYears(days)); - days -= absRound(yearsToDays(years)); + /** + * @class Images + * This class loads images and keeps them stored. + */ + function Images() { + this.images = {}; - // 30 days to a month - // TODO (iskren): Use anchor date (like 1st Jan) to compute this. - months += absRound(days / 30); - days %= 30; + this.callback = undefined; + } - // 12 months -> 1 year - years += absRound(months / 12); - months %= 12; + /** + * 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; + }; - data.days = days; - data.months = months; - data.years = years; - }, + /** + * + * @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]; + if (img == undefined) { + // create the image + var images = this; + img = new Image(); + this.images[url] = img; + img.onload = function() { + if (images.callback) { + images.callback(this); + } + }; + + img.onerror = function () { + this.src = brokenUrl; + if (images.callback) { + images.callback(this); + } + }; + + img.src = url; + } - abs : function () { - this._milliseconds = Math.abs(this._milliseconds); - this._days = Math.abs(this._days); - this._months = Math.abs(this._months); + return img; + }; - 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); + module.exports = Images; - return this; - }, - weeks : function () { - return absRound(this.days() / 7); - }, +/***/ }, +/* 56 */ +/***/ function(module, exports, __webpack_require__) { - valueOf : function () { - return this._milliseconds + - this._days * 864e5 + - (this._months % 12) * 2592e6 + - toInt(this._months / 12) * 31536e6; - }, + var util = __webpack_require__(1); - humanize : function (withSuffix) { - var output = relativeTime(this, !withSuffix, this.localeData()); + /** + * @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; - if (withSuffix) { - output = this.localeData().pastFuture(+this, output); - } + this.selected = false; + this.hover = false; - return this.localeData().postformat(output); - }, + this.edges = []; // all edges connected to this node + this.dynamicEdges = []; + this.reroutedEdges = {}; - add : function (input, val) { - // supports only 2.0-style add(1, 's') or add(moment) - var dur = moment.duration(input, val); + this.fontDrawThreshold = 3; - this._milliseconds += dur._milliseconds; - this._days += dur._days; - this._months += dur._months; + // set defaults for the properties + this.id = undefined; + this.x = null; + this.y = null; + 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._bubble(); - return this; - }, + this.imagelist = imagelist; + this.grouplist = grouplist; - subtract : function (input, val) { - var dur = moment.duration(input, val); + // 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.damping = networkConstants.physics.damping; // written every time gravity is calculated + this.fixedData = {x:null,y:null}; - this._milliseconds -= dur._milliseconds; - this._days -= dur._days; - this._months -= dur._months; + this.setProperties(properties, constants); - this._bubble(); + // 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 this; - }, + // 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; + } - get : function (units) { - units = normalizeUnits(units); - return this[units.toLowerCase() + 's'](); - }, + /** + * (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 = []; + }; + + /** + * Attach a edge to the node + * @param {Edge} edge + */ + 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; + }; + + /** + * Detach a edge from the node + * @param {Edge} edge + */ + 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; + }; - as : function (units) { - var days, months; - units = normalizeUnits(units); - 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); - } - } - }, + /** + * Set or overwrite properties for the node + * @param {Object} properties an object with properties + * @param {Object} constants and object with default, global properties + */ + Node.prototype.setProperties = function(properties, constants) { + if (!properties) { + return; + } - lang : moment.fn.lang, - locale : moment.fn.locale, + var fields = ['borderWidth','borderWidthSelected','shape','image','brokenImage','radius','fontColor', + 'fontSize','fontFace','fontFill','group','mass' + ]; + util.selectiveDeepExtend(fields, this.options, properties); - toIsoString : deprecate( - 'toIsoString() is deprecated. Please use toISOString() instead ' + - '(notice the capitals)', - function () { - return this.toISOString(); - } - ), + // 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;} - 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); + // 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;} - if (!this.asSeconds()) { - // this is the same as C#'s (Noda) and python (isodate)... - // but not other JS (goog.date) - return 'P0D'; - } + if (this.id === undefined) { + throw "Node must have an id"; + } - 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' : ''); - }, + // 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); + for (var prop in groupObj) { + if (groupObj.hasOwnProperty(prop)) { + this.options[prop] = groupObj[prop]; + } + } + } - localeData : function () { - return this._locale; - } - }); - moment.duration.fn.toString = moment.duration.fn.toISOString; + // individual shape properties + if (properties.radius !== undefined) {this.baseRadiusValue = this.options.radius;} + if (properties.color !== undefined) {this.options.color = util.parseColor(properties.color);} - function makeDurationGetter(name) { - moment.duration.fn[name] = function () { - return this._data[name]; - }; + if (this.options.image!== undefined && this.options.image!= "") { + if (this.imagelist) { + this.imageObj = this.imagelist.load(this.options.image, this.options.brokenImage); } - - for (i in unitMillisecondFactors) { - if (hasOwnProp(unitMillisecondFactors, i)) { - makeDurationGetter(i.toLowerCase()); - } + else { + throw "No imagelist provided"; } + } - 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'); - }; + if (properties.allowedToMoveX !== undefined) { + this.xFixed = !properties.allowedToMoveX; + this.allowedToMoveX = properties.allowedToMoveX; + } + else if (properties.x !== undefined && this.allowedToMoveX == false) { + this.xFixed = true; + } - /************************************ - Default Locale - ************************************/ + if (properties.allowedToMoveY !== undefined) { + this.yFixed = !properties.allowedToMoveY; + this.allowedToMoveY = properties.allowedToMoveY; + } + else if (properties.y !== undefined && this.allowedToMoveY == false) { + this.yFixed = true; + } - // 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; - } - }); + this.radiusFixed = this.radiusFixed || (properties.radius !== undefined); - /* EMBED_LOCALES */ + if (this.options.shape == 'image') { + this.options.radiusMin = constants.nodes.widthMin; + this.options.radiusMax = constants.nodes.widthMax; + } - /************************************ - 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; - } - } - // 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; - } + // 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 '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(); - 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))) + }; -/***/ }, -/* 59 */ -/***/ function(module, exports, __webpack_require__) { + /** + * select this node + */ + Node.prototype.select = function() { + this.selected = true; + this._reset(); + }; - 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 */ + /** + * unselect this node + */ + Node.prototype.unselect = function() { + this.selected = false; + this._reset(); + }; - (function(window, undefined) { - 'use strict'; /** - * @main - * @module hammer - * - * @class Hammer - * @static + * Reset the calculated size of the node, forces it to recalculate its size */ + Node.prototype.clearSizeCache = function() { + this._reset(); + }; /** - * Hammer, use this to create instances - * ```` - * var hammertime = new Hammer(myElement); - * ```` - * - * @method Hammer - * @param {HTMLElement} element - * @param {Object} [options={}] - * @return {Hammer.Instance} + * Reset the calculated size of the node, forces it to recalculate its size + * @private */ - var Hammer = function Hammer(element, options) { - return new Hammer.Instance(element, options || {}); + Node.prototype._reset = function() { + this.width = undefined; + this.height = undefined; }; /** - * version, as defined in package.json - * the value will be set at each build - * @property VERSION - * @final - * @type {String} + * get the title of this node. + * @return {string} title The title of the node, or undefined when no title + * has been set. */ - Hammer.VERSION = '1.1.3'; + Node.prototype.getTitle = function() { + return typeof this.title === "function" ? this.title() : this.title; + }; /** - * 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} + * 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 */ - 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.distanceToBorder = function (ctx, angle) { + var borderWidth = 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', + if (!this.width) { + this.resize(ctx); + } - /** - * 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', + switch (this.options.shape) { + case 'circle': + case 'dot': + return this.options.radius+ borderWidth; - /** - * Specifies whether zooming is enabled. Used by IE10> - * @property defaults.behavior.contentZooming - * @type {String} - * @default 'none' - */ - contentZooming: 'none', + 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); - /** - * 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', + // TODO: implement distanceToBorder for database + // TODO: implement distanceToBorder for triangle + // TODO: implement distanceToBorder for triangleDown - /** - * 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)' - } + 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; + } + + } + // TODO: implement calculation of distance to border for all shapes }; /** - * hammer document where the base events are added at - * @property DOCUMENT - * @type {HTMLElement} - * @default window.document + * Set forces acting on the node + * @param {number} fx Force in horizontal direction + * @param {number} fy Force in vertical direction */ - Hammer.DOCUMENT = document; + Node.prototype._setForce = function(fx, fy) { + this.fx = fx; + this.fy = fy; + }; /** - * detect support for pointer events - * @property HAS_POINTEREVENTS - * @type {Boolean} + * Add forces acting on the node + * @param {number} fx Force in horizontal direction + * @param {number} fy Force in vertical direction + * @private */ - Hammer.HAS_POINTEREVENTS = navigator.pointerEnabled || navigator.msPointerEnabled; + Node.prototype._addForce = function(fx, fy) { + this.fx += fx; + this.fy += fy; + }; /** - * detect support for touch events - * @property HAS_TOUCHEVENTS - * @type {Boolean} + * Perform one discrete step for the node + * @param {number} interval Time interval in seconds */ - Hammer.HAS_TOUCHEVENTS = ('ontouchstart' in window); + Node.prototype.discreteStep = function(interval) { + 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; + } + + 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; + } + }; + - /** - * detect mobile browsers - * @property IS_MOBILE - * @type {Boolean} - */ - Hammer.IS_MOBILE = /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent); /** - * detect if we want to support mouseevents at all - * @property NO_MOUSEEVENTS - * @type {Boolean} + * Perform one discrete step for the node + * @param {number} interval Time interval in seconds + * @param {number} maxVelocity The speed limit imposed on the velocity */ - Hammer.NO_MOUSEEVENTS = (Hammer.HAS_TOUCHEVENTS && Hammer.IS_MOBILE) || Hammer.HAS_POINTEREVENTS; + Node.prototype.discreteStepLimited = function(interval, maxVelocity) { + 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; + } + + 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; + } + }; /** - * interval in which Hammer recalculates current velocity/direction/angle in ms - * @property CALCULATE_INTERVAL - * @type {Number} - * @default 25 + * Check if this node has a fixed x and y position + * @return {boolean} true if fixed, false if not */ - Hammer.CALCULATE_INTERVAL = 25; + Node.prototype.isFixed = function() { + return (this.xFixed && this.yFixed); + }; /** - * 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} + * 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 */ - var EVENT_TYPES = {}; + 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); + }; /** - * direction strings, for safe comparisons - * @property DIRECTION_DOWN|LEFT|UP|RIGHT - * @final - * @type {String} - * @default 'down' 'left' 'up' 'right' + * check if this node is selecte + * @return {boolean} selected True if node is selected, else false */ - 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'; + Node.prototype.isSelected = function() { + return this.selected; + }; /** - * pointertype strings, for safe comparisons - * @property POINTER_MOUSE|TOUCH|PEN - * @final - * @type {String} - * @default 'mouse' 'touch' 'pen' + * Retrieve the value of the node. Can be undefined + * @return {Number} value */ - var POINTER_MOUSE = Hammer.POINTER_MOUSE = 'mouse'; - var POINTER_TOUCH = Hammer.POINTER_TOUCH = 'touch'; - var POINTER_PEN = Hammer.POINTER_PEN = 'pen'; + Node.prototype.getValue = function() { + return this.value; + }; /** - * eventtypes - * @property EVENT_START|MOVE|END|RELEASE|TOUCH - * @final - * @type {String} - * @default 'start' 'change' 'move' 'end' 'release' 'touch' + * Calculate the distance from the nodes location to the given location (x,y) + * @param {Number} x + * @param {Number} y + * @return {Number} value */ - 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.getDistance = function(x, y) { + var dx = this.x - x, + dy = this.y - y; + return Math.sqrt(dx * dx + dy * dy); + }; + /** - * if the window events are set... - * @property READY - * @writeOnce - * @type {Boolean} - * @default false + * Adjust the value range of the node. The node will adjust it's radius + * based on its value. + * @param {Number} min + * @param {Number} max */ - Hammer.READY = false; + 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; + }; /** - * plugins namespace - * @property plugins - * @type {Object} + * Draw this node in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx */ - Hammer.plugins = Hammer.plugins || {}; + Node.prototype.draw = function(ctx) { + throw "Draw method not initialized for node"; + }; /** - * gestures namespace - * see `/gestures` for the definitions - * @property gestures - * @type {Object} + * 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 */ - Hammer.gestures = Hammer.gestures || {}; + Node.prototype.resize = function(ctx) { + throw "Resize method not initialized for node"; + }; /** - * setup events to detect gestures on the document - * this function is called when creating an new instance - * @private + * 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 */ - function setup() { - if(Hammer.READY) { - return; + 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; + } + } + else { + width = this.imageObj.width; + height = this.imageObj.height; } + this.width = width; + this.height = height; - // find what eventtypes we add listeners to - Event.determineEventTypes(); + 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; + } + } - // 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); + Node.prototype._drawImage = function (ctx) { + this._resizeImage(ctx); - // Hammer is ready...! - Hammer.READY = true; - } + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - /** - * @module hammer - * - * @class Utils - * @static - */ - 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; - }, + var yLabel; + 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); - /** - * 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); - }, + ctx.globalAlpha = 0.5; + ctx.drawImage(this.imageObj, this.left - lineWidth, this.top - lineWidth, this.width + 2*lineWidth, this.height + 2*lineWidth); + } - /** - * 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); - }, + // draw the image + ctx.globalAlpha = 1.0; + ctx.drawImage(this.imageObj, this.left, this.top, this.width, this.height); + yLabel = this.y + this.height / 2; + } + else { + // image still loading... just draw the label for now + yLabel = this.y; + } - /** - * 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; + this._label(ctx, this.label, this.x, yLabel, undefined, "top"); + }; - // 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; - }, + 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; - /** - * 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; - } - }, + 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; - /** - * 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; - }, + Node.prototype._drawBox = function (ctx) { + this._resizeBox(ctx); - /** - * 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; + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - // 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 - }; - } + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - Utils.each(touches, function(touch) { - pageX.push(touch.pageX); - pageY.push(touch.pageY); - clientX.push(touch.clientX); - clientY.push(touch.clientY); - }); + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - 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 - }; - }, + // 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); - /** - * 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 - }; - }, + 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); - /** - * 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; + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.options.color.background; - return Math.atan2(y, x) * 180 / Math.PI; - }, + ctx.roundRect(this.left, this.top, this.width, this.height, this.options.radius); + ctx.fill(); + ctx.stroke(); - /** - * 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); + this._label(ctx, this.label, this.x, this.y); + }; - if(x >= y) { - return touch1.clientX - touch2.clientX > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; - } - return touch1.clientY - touch2.clientY > 0 ? DIRECTION_UP : DIRECTION_DOWN; - }, - /** - * 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; + 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; - return Math.sqrt((x * x) + (y * y)); - }, + // 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; + } + }; - /** - * 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; - }, + Node.prototype._drawDatabase = function (ctx) { + this._resizeDatabase(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - /** - * 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; - }, + 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); + + 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); - /** - * 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; - }, + 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(); - /** - * 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); + this._label(ctx, this.label, this.x, this.y); + }; - 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; - } - } - }, + 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; - /** - * 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; - } + this.width = diameter; + this.height = diameter; - // set the css properties - Utils.each(props, function(value, prop) { - Utils.setPrefixedCss(element, prop, value, toggle); - }); + // 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; + } + }; - var falseFn = toggle && function() { - return false; - }; + Node.prototype._drawCircle = function (ctx) { + this._resizeCircle(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - // also the disable onselectstart - if(props.userSelect == 'none') { - element.onselectstart = falseFn; - } - // and disable ondragstart - if(props.userDrag == 'none') { - element.ondragstart = falseFn; - } - }, + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - /** - * 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(); - }); - } - }; + 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); - /** - * @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, + ctx.circle(this.x, this.y, this.options.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); - /** - * if EVENT_START has been fired - * @property started - * @private - * @type {Boolean} - */ - started: false, + 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, this.options.radius); + ctx.fill(); + ctx.stroke(); - /** - * when the mouse is hold down, this is true - * @property should_detect - * @private - * @type {Boolean} - */ - shouldDetect: false, + this._label(ctx, this.label, this.x, this.y); + }; - /** - * 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._resizeEllipse = function (ctx) { + if (!this.width) { + var textSize = this.getTextSize(ctx); - /** - * 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); - }); - }, + this.width = textSize.width * 1.5; + this.height = textSize.height * 2; + if (this.width < this.height) { + this.width = this.height; + } + var defaultSize = this.width; - /** - * 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; + // 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 onTouchHandler = function onTouchHandler(ev) { - var srcType = ev.type.toLowerCase(), - isPointer = Hammer.HAS_POINTEREVENTS, - isMouse = Utils.inStr(srcType, 'mouse'), - triggerType; + Node.prototype._drawEllipse = function (ctx) { + this._resizeEllipse(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - // 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; + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - // 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; - } + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - // update the pointer event before entering the detection - if(isPointer && eventType != EVENT_END) { - PointerEvent.updatePointer(eventType, ev); - } + // 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); - // we are in a touch/down state, so allowed detection of gestures - if(self.shouldDetect) { - triggerType = self.doDetect.call(self, ev, eventType, element, handler); - } + 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); - // ...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 - } + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - if(isPointer && eventType == EVENT_END) { - PointerEvent.updatePointer(eventType, ev); - } - }; + ctx.ellipse(this.left, this.top, this.width, this.height); + ctx.fill(); + ctx.stroke(); + this._label(ctx, this.label, this.x, this.y); + }; - this.on(element, EVENT_TYPES[eventType], onTouchHandler); - return onTouchHandler; - }, + Node.prototype._drawDot = function (ctx) { + this._drawShape(ctx, 'circle'); + }; - /** - * 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; + Node.prototype._drawTriangle = function (ctx) { + this._drawShape(ctx, 'triangle'); + }; - // 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._drawTriangleDown = function (ctx) { + this._drawShape(ctx, 'triangleDown'); + }; - // keep track of how many touches have been removed - changedLength = touchList.length - ((ev.changedTouches) ? ev.changedTouches.length : 1); - } + Node.prototype._drawSquare = function (ctx) { + this._drawShape(ctx, 'square'); + }; - // 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; - } + Node.prototype._drawStar = function (ctx) { + this._drawShape(ctx, 'star'); + }; - // detection has been started, we keep track of this, see above - this.started = true; + 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; - // generate some event data, some basic information - var evData = this.collectEventData(element, triggerType, touchList, ev); + // 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; + } + }; - // 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); - } + Node.prototype._drawShape = function (ctx, shape) { + this._resizeShape(ctx); - // trigger a change (TOUCH, RELEASE) event, this means the length of the touches changed - if(triggerChange) { - evData.changedLength = changedLength; - evData.eventType = triggerChange; + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - handler.call(Detection, evData); + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + var radiusMultiplier = 2; - evData.eventType = triggerType; - delete evData.changedLength; - } + // 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; + } - // trigger the END event - if(triggerType == EVENT_END) { - handler.call(Detection, evData); + 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); - // ...and we are done with the detection - // so reset everything to start each detection totally fresh - this.started = false; - } + 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); - return triggerType; - }, + 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(); - /** - * 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' - ]; - } + if (this.label) { + this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'top',true); + } + }; - EVENT_TYPES[EVENT_START] = types[0]; - EVENT_TYPES[EVENT_MOVE] = types[1]; - EVENT_TYPES[EVENT_END] = types[2]; - return EVENT_TYPES; - }, + 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; - /** - * 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(); - } + // 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); + } + }; - // get the touchlist - if(ev.touches) { - if(eventType == EVENT_MOVE) { - return ev.touches; - } + Node.prototype._drawText = function (ctx) { + this._resizeText(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - var identifiers = []; - var concat = [].concat(Utils.toArray(ev.touches), Utils.toArray(ev.changedTouches)); - var touchList = []; + this._label(ctx, this.label, this.x, this.y); + }; - Utils.each(concat, function(touch) { - if(Utils.inArray(identifiers, touch.identifier) === false) { - touchList.push(touch); - } - identifiers.push(touch.identifier); - }); - return touchList; - } + 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; + + var lines = text.split('\n'); + var lineCount = lines.length; + var fontSize = (Number(this.options.fontSize) + 4); // TODO: why is this +4 ? + var yLine = y + (1 - lineCount) / 2 * fontSize; + if (labelUnderNode == true) { + yLine = y + (1 - lineCount) / (2 * fontSize); + } + + // 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 == "top") { + top += 0.5 * fontSize; + } + this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; - // make fake touchList from mouse position - ev.identifier = 1; - return [ev]; - }, + // 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); + } - /** - * 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; - } + // draw text + ctx.fillStyle = this.options.fontColor || "black"; + ctx.textAlign = align || "center"; + ctx.textBaseline = baseline || "middle"; + for (var i = 0; i < lineCount; i++) { + ctx.fillText(lines[i], x, yLine); + yLine += fontSize; + } + } + }; - return { - center: Utils.getCenter(touches), - timeStamp: Date.now(), - target: ev.target, - touches: touches, - eventType: eventType, - pointerType: pointerType, - srcEvent: ev, - /** - * 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.getTextSize = function(ctx) { + if (this.label !== undefined) { + ctx.font = (this.selected ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; - /** - * stop bubbling the event up to its parents - */ - stopPropagation: function() { - this.srcEvent.stopPropagation(); - }, + var lines = this.label.split('\n'), + height = (Number(this.options.fontSize) + 4) * lines.length, + width = 0; - /** - * immediately stop gesture detection - * might be useful after a swipe was detected - * @return {*} - */ - stopDetect: function() { - return Detection.stopDetect(); - } - }; + 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 hammer + * 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 PointerEvent - * @static + * @returns {boolean} */ - var PointerEvent = Hammer.PointerEvent = { - /** - * holds all pointers, by `identifier` - * @property pointers - * @type {Object} - */ - pointers: {}, + 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; + } + }; - /** - * 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; - }, + /** + * 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); + }; - /** - * 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; - } - }, + /** + * 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 + */ + Node.prototype.setScaleAndPos = function(scale,canvasTopLeft,canvasBottomRight) { + this.networkScaleInv = 1.0/scale; + this.networkScale = scale; + this.canvasTopLeft = canvasTopLeft; + this.canvasBottomRight = canvasBottomRight; + }; - /** - * 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; - } - var pt = ev.pointerType, - types = {}; + /** + * 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; + }; - 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 = {}; - } + + /** + * 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; }; /** - * @module hammer + * Basic preservation of (kinectic) energy * - * @class Detection - * @static + * @param massBeforeClustering */ - var Detection = Hammer.detection = { - // contains all registred Hammer.gestures in the correct order - gestures: [], - - // data of the current Hammer.gesture detection session - current: null, - - // the previous Hammer.gesture session data - // is a full clone of the previous gesture.current object - previous: null, - - // when this becomes true, no gestures are fired - stopped: false, + 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); + }; - /** - * 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; - } + module.exports = Node; - this.stopped = false; - // 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 - }; +/***/ }, +/* 57 */ +/***/ function(module, exports, __webpack_require__) { - this.detect(eventData); - }, + var util = __webpack_require__(1); + var Node = __webpack_require__(56); - /** - * Hammer.gesture detection - * @method detect - * @param {Object} eventData - * @return {any} - */ - detect: function detect(eventData) { - if(!this.current || this.stopped) { - return; - } + /** + * @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']; - // extend event data with calculations about scale, distance etc - eventData = this.extendEventData(eventData); - // hammer instance and instance options - var inst = this.current.inst, - instOptions = inst.options; + this.network = network; - // 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); + // 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; - // store as previous event event - if(this.current) { - this.current.lastEvent = eventData; - } + this.from = null; // a node + this.to = null; // a node + this.via = null; // a temp node - if(eventData.eventType == EVENT_END) { - this.stopDetect(); - } + this.fromBackup = null; // used to clean up after reconnect + this.toBackup = null;; // used to clean up after reconnect - return eventData; - }, + // 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 = []; - /** - * 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); + this.connected = false; - // reset the current - this.current = null; - this.stopped = true; - }, + this.widthFixed = false; + this.lengthFixed = false; - /** - * 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; + this.setProperties(properties); - 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; - } + this.controlNodesEnabled = false; + this.controlNodes = {from:null, to:null, positions:{}}; + this.connectedNode = null; + } - if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { - cur.futureCalcEvent = ev; - } + /** + * Set or overwrite properties for the edge + * @param {Object} properties an object with properties + * @param {Object} constants and object with default, global properties + */ + Edge.prototype.setProperties = function(properties) { + if (!properties) { + return; + } - 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); + var fields = ['style','fontSize','fontFace','fontColor','fontFill','width', + 'widthSelectionMultiplier','hoverWidth','arrowScaleFactor','dash','inheritColor' + ]; + util.selectiveDeepExtend(fields, this.options, properties); - cur.lastCalcEvent = cur.futureCalcEvent || ev; - cur.futureCalcEvent = ev; - } + if (properties.from !== undefined) {this.fromId = properties.from;} + if (properties.to !== undefined) {this.toId = properties.to;} - ev.velocityX = calcData.velocity.x; - ev.velocityY = calcData.velocity.y; - ev.interimAngle = calcData.angle; - ev.interimDirection = calcData.direction; - }, + if (properties.id !== undefined) {this.id = properties.id;} + if (properties.label !== undefined) {this.label = properties.label; this.dirtyLabel = true;} - /** - * 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; + 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;} - // 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 - }); - }); - } + 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;} + } + } - var deltaTime = ev.timeStamp - startEv.timeStamp, - deltaX = ev.center.clientX - startEv.center.clientX, - deltaY = ev.center.clientY - startEv.center.clientY; + // A node is connected when it has a from and to node. + this.connect(); - this.getCalculatedData(ev, lastEv.center, deltaTime, deltaX, deltaY); + this.widthFixed = this.widthFixed || (properties.width !== undefined); + this.lengthFixed = this.lengthFixed || (properties.length !== undefined); - Utils.extend(ev, { - startEvent: startEv, + this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; - deltaTime: deltaTime, - deltaX: deltaX, - deltaY: deltaY, + // 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; + } + }; - 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) - }); + /** + * Connect an edge to its nodes + */ + Edge.prototype.connect = function () { + this.disconnect(); - return ev; - }, + this.from = this.network.nodes[this.fromId] || null; + this.to = this.network.nodes[this.toId] || null; + this.connected = (this.from && this.to); - /** - * 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; - } + 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); + } + } + }; - // extend Hammer default options with the Hammer.gesture options - Utils.extend(Hammer.defaults, options, true); + /** + * 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; + } - // set its index - gesture.index = gesture.index || 1000; + this.connected = false; + }; - // add Hammer.gesture to the list - this.gestures.push(gesture); + /** + * 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; + }; - // 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; - } + /** + * Retrieve the value of the edge. Can be undefined + * @return {Number} value + */ + Edge.prototype.getValue = function() { + return this.value; }; + /** + * 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; + } + }; /** - * @module hammer + * 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"; + }; /** - * 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} + * 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 */ - Hammer.Instance = function(element, options) { - var self = this; + 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; - // setup HammerJS window events and register all gestures - // this also sets up the default options - setup(); + var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj); - /** - * @property element - * @type {HTMLElement} - */ - this.element = element; + return (dist < distMax); + } + else { + return false + } + }; - /** - * @property enabled - * @type {Boolean} - * @protected - */ - this.enabled = 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 + }; + } + 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 + }; + } - /** - * 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; - }); + if (this.selected == true) {return colorObj.highlight;} + else if (this.hover == true) {return colorObj.hover;} + else {return colorObj.color;} + }; - this.options = Utils.extend(Utils.extend({}, Hammer.defaults), options || {}); - // 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); + /** + * 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(); + + if (this.from != this.to) { + // draw line + var via = this._line(ctx); + + // 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); + } + }; - /** - * 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); + /** + * 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); + } + } + }; + + Edge.prototype._getViaCoordinates = function () { + var xVia = null; + var yVia = null; + var factor = this.options.smoothCurves.roundness; + var type = this.options.smoothCurves.type; + + 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; + } + } + } + } - /** - * keep a list of user event handlers which needs to be removed when calling 'dispose' - * @property eventHandlers - * @type {Array} - */ - this.eventHandlers = []; + + return {x:xVia, y:yVia}; }; - 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; - }, + /** + * 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; + } + }; - /** - * unbind events to the instance - * @method off - * @chainable - * @param {String} gestures - * @param {Function} handler - */ - off: function offEvent(gestures, handler) { - var self = this; + /** + * 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(); + }; - 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; - }, + /** + * 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; + + if (this.dirtyLabel == true) { + var lines = String(text).split('\n'); + var lineCount = lines.length; + var fontSize = (Number(this.options.fontSize) + 4); + yLine = y + (1 - lineCount) / 2 * fontSize; + + 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}; + } - /** - * trigger gesture event - * @method trigger - * @chainable - * @param {String} gesture - * @param {Object} [eventData] - */ - trigger: function triggerEvent(gesture, eventData) { - // optional - if(!eventData) { - eventData = {}; - } - // create DOM event - var event = Hammer.DOCUMENT.createEvent('Event'); - event.initEvent(gesture, true, true); - event.gesture = eventData; + if (this.options.fontFill !== undefined && this.options.fontFill !== null && this.options.fontFill !== "none") { + ctx.fillStyle = this.options.fontFill; + ctx.fillRect(this.labelDimensions.left, + this.labelDimensions.top, + this.labelDimensions.width, + this.labelDimensions.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; - } + // draw text + ctx.fillStyle = this.options.fontColor || "black"; + ctx.textAlign = "center"; + ctx.textBaseline = "middle"; + yLine = this.labelDimensions.yLine; + for (var i = 0; i < lineCount; i++) { + ctx.fillText(lines[i], x, yLine); + yLine += fontSize; + } + } + }; - element.dispatchEvent(event); - return this; - }, + /** + * 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(); - /** - * enable of disable hammer.js detection - * @method enable - * @chainable - * @param {Boolean} state - */ - enable: function enable(state) { - this.enabled = state; - return this; - }, + var via = null; + // only firefox and chrome support this method, else we use the legacy one. + if (ctx.mozDash !== undefined || ctx.setLineDash !== undefined) { + // 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]; + } - /** - * dispose this hammer instance - * @method dispose - * @return {Null} - */ - dispose: function dispose() { - var i, eh; + // set dash settings for chrome or firefox + if (typeof ctx.setLineDash !== 'undefined') { //Chrome + ctx.setLineDash(pattern); + ctx.lineDashOffset = 0; - // undo all changes made by stop_browser_behavior - Utils.toggleBehavior(this.element, this.options.behavior, false); + } else { //Firefox + ctx.mozDash = pattern; + ctx.mozDashOffset = 0; + } - // unbind all custom event handlers - for(i = -1; (eh = this.eventHandlers[++i]);) { - Utils.off(this.element, eh.gesture, eh.handler); - } + // draw the line + via = this._line(ctx); - this.eventHandlers = []; + // restore the dash settings. + if (typeof ctx.setLineDash !== 'undefined') { //Chrome + ctx.setLineDash([0]); + ctx.lineDashOffset = 0; - // unbind the start event listener - Event.off(this.element, EVENT_TYPES[EVENT_START], this.eventStartHandler); + } else { //Firefox + ctx.mozDash = [0]; + ctx.mozDashOffset = 0; + } + } + 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(); + } - return null; + // 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); + } }; - - /** - * @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(); - * }); - * ```` - * - * @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 + * 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 + } + }; + /** - * @event dragdown - * @param {Object} ev + * 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) + } + }; /** - * @param {String} name + * 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 */ - (function(name) { - var triggered = false; + Edge.prototype._drawArrowCenter = function(ctx) { + var point; + // set style + ctx.strokeStyle = this._getColor(); + ctx.fillStyle = ctx.strokeStyle; + ctx.lineWidth = this._getLineWidth(); - function dragGesture(ev, inst) { - var cur = Detection.current; + if (this.from != this.to) { + // draw line + var via = this._line(ctx); - // max touches - if(inst.options.dragMaxTouches > 0 && - ev.touches.length > inst.options.dragMaxTouches) { - return; - } + 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); + } - switch(ev.eventType) { - case EVENT_START: - triggered = false; - break; + ctx.arrow(point.x, point.y, angle, length); + ctx.fill(); + ctx.stroke(); - 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; - } + // 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 startCenter = cur.startEvent.center; + // 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(); - // 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; + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + } + }; - // recalculate event data using new start point - ev = Detection.extendEventData(ev); - } - } - // 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; - } - } + /** + * 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(); - // first time, trigger dragstart event - if(!triggered) { - inst.trigger(name + 'start', ev); - triggered = true; - } + var angle, length; + //draw a line + if (this.from != this.to) { + 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); - // trigger events - inst.trigger(name, ev); - inst.trigger(name + ev.direction, ev); + var fromBorderDist = this.from.distanceToBorder(ctx, angle + Math.PI); + var fromBorderPoint = (edgeSegmentLength - fromBorderDist) / edgeSegmentLength; + var xFrom = (fromBorderPoint) * this.from.x + (1 - fromBorderPoint) * this.to.x; + var yFrom = (fromBorderPoint) * this.from.y + (1 - fromBorderPoint) * this.to.y; - var isVertical = Utils.isVertical(ev.direction); + var via; + if (this.options.smoothCurves.dynamic == true && this.options.smoothCurves.enabled == true ) { + via = this.via; + } + else if (this.options.smoothCurves.enabled == true) { + via = this._getViaCoordinates(); + } - // block the browser events - if((inst.options.dragBlockVertical && isVertical) || - (inst.options.dragBlockHorizontal && !isVertical)) { - ev.preventDefault(); - } - break; + if (this.options.smoothCurves.enabled == true && via.x != null) { + angle = Math.atan2((this.to.y - via.y), (this.to.x - via.x)); + dx = (this.to.x - via.x); + dy = (this.to.y - via.y); + edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); + } + var toBorderDist = this.to.distanceToBorder(ctx, angle); + var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength; - case EVENT_RELEASE: - if(triggered && ev.changedLength <= inst.options.dragMaxTouches) { - inst.trigger(name + 'end', ev); - triggered = false; - } - break; + var xTo,yTo; + if (this.options.smoothCurves.enabled == true && via.x != null) { + xTo = (1 - toBorderPoint) * via.x + toBorderPoint * this.to.x; + yTo = (1 - toBorderPoint) * via.y + toBorderPoint * this.to.y; + } + else { + xTo = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; + yTo = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; + } - case EVENT_END: - triggered = false; - break; + ctx.beginPath(); + ctx.moveTo(xFrom,yFrom); + if (this.options.smoothCurves.enabled == true && via.x != null) { + ctx.quadraticCurveTo(via.x,via.y,xTo, yTo); + } + else { + ctx.lineTo(xTo, yTo); + } + ctx.stroke(); + + // draw arrow at the end of the line + length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; + ctx.arrow(xTo, yTo, angle, length); + ctx.fill(); + ctx.stroke(); + + // 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); + } + } + 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(); + + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + } + }; + + + + /** + * 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; + } + 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); + } + } + 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); + } - 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, - - /** - * 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, - - /** - * set 0 for unlimited, but this can conflict with transform - * @property dragMaxTouches - * @type {Number} - * @default 1 - */ - dragMaxTouches: 1, + 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; + } + }; - /** - * 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, + 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; - /** - * same as `dragBlockHorizontal`, but for vertical movement - * @property dragBlockVertical - * @type {Boolean} - * @default false - */ - dragBlockVertical: false, + if (u > 1) { + u = 1; + } + else if (u < 0) { + u = 0; + } - /** - * 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, + var x = x1 + u * px, + y = y1 + u * py, + dx = x - x3, + dy = y - y3; - /** - * 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'); + //# 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 - /** - * @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); - } + return Math.sqrt(dx*dx + dy*dy); }; /** - * @module gestures - */ - /** - * Touch stays at the same place for x time + * This allows the zoom level of the network to influence the rendering * - * @class Hold - * @static - */ - /** - * @event hold - * @param {Object} ev - */ - - /** - * @param {String} name + * @param scale */ - (function(name) { - var timer; - - function holdGesture(ev, inst) { - var options = inst.options, - current = Detection.current; + Edge.prototype.setScale = function(scale) { + this.networkScaleInv = 1.0/scale; + }; - switch(ev.eventType) { - case EVENT_START: - clearTimeout(timer); - // set the gesture so we can check in the timeout if it still is - current.name = name; + Edge.prototype.select = function() { + this.selected = true; + }; - // 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; + Edge.prototype.unselect = function() { + this.selected = false; + }; - case EVENT_MOVE: - if(ev.distance > options.holdThreshold) { - clearTimeout(timer); - } - break; + 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); + } + }; - case EVENT_RELEASE: - clearTimeout(timer); - break; - } + /** + * This function draws the control nodes for the manipulator. + * In order to enable this, only set the this.controlNodesEnabled to true. + * @param ctx + */ + 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:8}, + physics:{damping:0}, + clustering: {maxNodeSizeIncrements: 0 ,nodeScaling: {width:0, height: 0, radius:0}} + }; + this.controlNodes.from = new Node( + {id:nodeIdFrom, + shape:'dot', + color:{background:'#ff4e00', border:'#3c3c3c', highlight: {background:'#07f968'}} + },{},{},constants); + this.controlNodes.to = new Node( + {id:nodeIdTo, + shape:'dot', + color:{background:'#ff4e00', border:'#3c3c3c', highlight: {background:'#07f968'}} + },{},{},constants); } - Hammer.gestures.Hold = { - name: name, - index: 10, - defaults: { - /** - * @property holdTimeout - * @type {Number} - * @default 500 - */ - holdTimeout: 500, + if (this.controlNodes.from.selected == false && this.controlNodes.to.selected == false) { + this.controlNodes.positions = this.getControlNodePositions(ctx); + this.controlNodes.from.x = this.controlNodes.positions.from.x; + this.controlNodes.from.y = this.controlNodes.positions.from.y; + this.controlNodes.to.x = this.controlNodes.positions.to.x; + this.controlNodes.to.y = this.controlNodes.positions.to.y; + } - /** - * movement allowed while holding - * @property holdThreshold - * @type {Number} - * @default 2 - */ - holdThreshold: 2 - }, - handler: holdGesture - }; - })('hold'); + this.controlNodes.from.draw(ctx); + this.controlNodes.to.draw(ctx); + } + else { + this.controlNodes = {from:null, to:null, positions:{}}; + } + }; /** - * @module gestures + * Enable control nodes. + * @private */ + Edge.prototype._enableControlNodes = function() { + this.fromBackup = this.from; + this.toBackup = this.to; + this.controlNodesEnabled = true; + }; + /** - * when a touch is being released from the page - * - * @class Release - * @static + * disable control nodes and remove from dynamicEdges from old node + * @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); + } + + this.fromBackup = null; + this.toBackup = null; + this.controlNodesEnabled = false; + }; + + /** - * @event release - * @param {Object} ev + * 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 */ - Hammer.gestures.Release = { - name: 'release', - index: Infinity, - handler: function releaseGesture(ev, inst) { - if(ev.eventType == EVENT_RELEASE) { - inst.trigger(this.name, ev); - } - } + 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)); + + 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; + } }; + /** - * @module gestures + * this resets the control nodes to their original position. + * @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(); + } + }; + /** - * 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(); - * }); - * ```` + * this calculates the position of the control nodes on the edges of the parent nodes. * - * @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 + * @param ctx + * @returns {{from: {x: number, y: number}, to: {x: *, y: *}}} */ - Hammer.gestures.Swipe = { - name: 'swipe', - index: 40, - defaults: { - /** - * @property swipeMinTouches - * @type {Number} - * @default 1 - */ - swipeMinTouches: 1, + Edge.prototype.getControlNodePositions = function(ctx) { + 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; + var xFrom = (fromBorderPoint) * this.from.x + (1 - fromBorderPoint) * this.to.x; + var yFrom = (fromBorderPoint) * this.from.y + (1 - fromBorderPoint) * this.to.y; - /** - * @property swipeMaxTouches - * @type {Number} - * @default 1 - */ - swipeMaxTouches: 1, + var via; + if (this.options.smoothCurves.dynamic == true && this.options.smoothCurves.enabled == true) { + via = this.via; + } + else if (this.options.smoothCurves.enabled == true) { + via = this._getViaCoordinates(); + } - /** - * horizontal swipe velocity - * @property swipeVelocityX - * @type {Number} - * @default 0.6 - */ - swipeVelocityX: 0.6, + if (this.options.smoothCurves.enabled == true && via.x != null) { + angle = Math.atan2((this.to.y - via.y), (this.to.x - via.x)); + dx = (this.to.x - via.x); + dy = (this.to.y - via.y); + edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); + } + var toBorderDist = this.to.distanceToBorder(ctx, angle); + var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength; - /** - * vertical swipe velocity - * @property swipeVelocityY - * @type {Number} - * @default 0.6 - */ - swipeVelocityY: 0.6 - }, + var xTo,yTo; + if (this.options.smoothCurves.enabled == true && via.x != null) { + xTo = (1 - toBorderPoint) * via.x + toBorderPoint * this.to.x; + yTo = (1 - toBorderPoint) * via.y + toBorderPoint * this.to.y; + } + else { + xTo = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; + yTo = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; + } - handler: function swipeGesture(ev, inst) { - if(ev.eventType == EVENT_RELEASE) { - var touches = ev.touches.length, - options = inst.options; + return {from:{x:xFrom,y:yFrom},to:{x:xTo,y:yTo}}; + }; - // max touches - if(touches < options.swipeMinTouches || - touches > options.swipeMaxTouches) { - return; - } + module.exports = Edge; - // 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); - } +/***/ }, +/* 58 */ +/***/ function(module, exports, __webpack_require__) { + + /** + * 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. + */ + function Popup(container, x, y, text, style) { + if (container) { + this.container = container; + } + else { + this.container = document.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.x = 0; + this.y = 0; + this.padding = 5; + + if (x !== undefined && y !== undefined ) { + this.setPosition(x, y); + } + if (text !== undefined) { + this.setText(text); + } + + // 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); + } /** - * @module gestures - */ - /** - * Single tap and a double tap on a place - * - * @class Tap - * @static - */ - /** - * @event tap - * @param {Object} ev + * @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); + }; + /** - * @event doubletap - * @param {Object} ev + * 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 + } + }; /** - * @param {String} name + * Show the popup window + * @param {boolean} show Optional. Show or hide the window */ - (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; + Popup.prototype.show = function (show) { + if (show === undefined) { + show = true; + } - 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 (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 double tap - if(prev && prev.name == name && - (sincePrev && sincePrev < options.doubleTapInterval) && - ev.distance < options.doubleTapDistance) { - inst.trigger('doubletap', ev); - didDoubleTap = true; - } + var top = (this.y - height); + if (top + height + this.padding > maxHeight) { + top = maxHeight - height - this.padding; + } + if (top < this.padding) { + top = this.padding; + } - // do a single tap - if(!didDoubleTap || options.tapAlways) { - current.name = name; - inst.trigger(current.name, ev); - } - } - break; - } + var left = this.x; + if (left + width + this.padding > maxWidth) { + left = maxWidth - width - this.padding; + } + if (left < this.padding) { + left = this.padding; } - 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, + this.frame.style.left = left + "px"; + this.frame.style.top = top + "px"; + this.frame.style.visibility = "visible"; + } + else { + this.hide(); + } + }; - /** - * max distance of movement of a tap, this is for the slow tappers - * @property tapMaxDistance - * @type {Number} - * @default 10 - */ - tapMaxDistance: 10, + /** + * Hide the popup window + */ + Popup.prototype.hide = function () { + this.frame.style.visibility = "hidden"; + }; - /** - * always trigger the `tap` event, even while double-tapping - * @property tapAlways - * @type {Boolean} - * @default true - */ - tapAlways: true, + module.exports = Popup; - /** - * 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'); +/***/ }, +/* 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); /** - * @module gestures - */ - /** - * when a touch is being touched at the page + * Load a mixin into the network object * - * @class Touch - * @static - */ - /** - * @event touch - * @param {Object} ev + * @param {Object} sourceVariable | this object has to contain functions. + * @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; - } - - if(inst.options.preventDefault) { - ev.preventDefault(); - } - - if(ev.eventType == EVENT_TOUCH) { - inst.trigger('touch', ev); - } + exports._loadMixin = function (sourceVariable) { + for (var mixinFunction in sourceVariable) { + if (sourceVariable.hasOwnProperty(mixinFunction)) { + this[mixinFunction] = sourceVariable[mixinFunction]; } + } }; + /** - * @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. + * removes a mixin from the network object. * - * @class Transform - * @static - */ - /** - * @event transform - * @param {Object} ev - */ - /** - * @event transformstart - * @param {Object} ev + * @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; + } + } + }; + + /** - * @event transformend - * @param {Object} ev + * 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(); + } + }; + + /** - * @event pinchin - * @param {Object} ev + * Mixin the cluster system and initialize the parameters required. + * + * @private */ + exports._loadClusterSystem = function () { + this.clusterSession = 0; + this.hubThreshold = 5; + this._loadMixin(ClusterMixin); + }; + + /** - * @event pinchout - * @param {Object} ev + * 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.nodeIndices = this.sectors["active"]["default"]["nodeIndices"]; // the node indices list is used to speed up the computation of the repulsion fields + + this._loadMixin(SectorsMixin); + }; + + /** - * @event rotate - * @param {Object} ev + * Mixin the selection system and initialize the parameters required + * + * @private */ + exports._loadSelectionSystem = function () { + this.selectionObj = {nodes: {}, edges: {}}; + + this._loadMixin(SelectionMixin); + }; + /** - * @param {String} name + * Mixin the navigationUI (User Interface) system and initialize the parameters required + * + * @private */ - (function(name) { - var triggered = false; + exports._loadManipulationSystem = function () { + // reset global variables -- these are used by the selection of nodes and edges. + this.blockConnectingEdgeSelection = false; + this.forceAppendSelection = false; - function transformGesture(ev, inst) { - switch(ev.eventType) { - case EVENT_START: - triggered = false; - break; + 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); + } - case EVENT_MOVE: - // at least multitouch - if(ev.touches.length < 2) { - return; - } + 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); + } - var scaleThreshold = Math.abs(1 - ev.scale); - var rotationThreshold = Math.abs(ev.rotation); + 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); + } - // 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; - } + // load the manipulation functions + this._loadMixin(ManipulationMixin); - // we are transforming! - Detection.current.name = name; + // create the manipulator toolbar + this._createManipulatorBar(); + } + else { + if (this.manipulationDiv !== undefined) { + // removes all the bindings and overloads + this._createManipulatorBar(); - // first time, trigger dragstart event - if(!triggered) { - inst.trigger(name + 'start', ev); - triggered = true; - } + // remove the manipulation divs + this.frame.removeChild(this.manipulationDiv); + this.frame.removeChild(this.editModeDiv); + this.frame.removeChild(this.closeDiv); - inst.trigger(name, ev); // basic transform event + this.manipulationDiv = undefined; + this.editModeDiv = undefined; + this.closeDiv = undefined; + // remove the mixin functions + this._clearMixin(ManipulationMixin); + } + } + }; - // 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; + /** + * 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(); + } + }; - case EVENT_RELEASE: - if(triggered && ev.changedLength < 2) { - inst.trigger(name + 'end', ev); - triggered = false; - } - break; - } - } - 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, + /** + * Mixin the hierarchical layout system. + * + * @private + */ + exports._loadHierarchySystem = function () { + this._loadMixin(HierarchicalLayoutMixin); + }; - /** - * rotation in degrees - * @property transformMinRotation - * @type {Number} - * @default 1 - */ - transformMinRotation: 1 - }, - handler: transformGesture - }; - })('transform'); +/***/ }, +/* 60 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var RepulsionMixin = __webpack_require__(61); + var HierarchialRepulsionMixin = __webpack_require__(62); + var BarnesHutMixin = __webpack_require__(63); /** - * @module hammer + * 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(); + }; - // 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); + /** + * This loads the node force solver based on the barnes hut or repulsion algorithm + * + * @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); + } + 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); + } + 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; -/***/ }, -/* 60 */ -/***/ function(module, exports, __webpack_require__) { + this._loadMixin(RepulsionMixin); + } + }; /** - * Creation of the ClusterMixin var. + * 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. * - * This contains all the functions the Network object can use to employ clustering + * @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); + } + 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); + } - /** - * 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(); + // we now start the force calculation + this._calculateForces(); + } }; + /** - * This function clusters until the initialMaxNodes has been reached - * - * @param {Number} maxNumberOfNodes - * @param {Boolean} reposition + * Calculate the external forces acting on the nodes + * Forces are caused by: edges, repulsing forces between nodes, gravity + * @private */ - exports.clusterToFit = function(maxNumberOfNodes, reposition) { - var numberOfNodes = this.nodeIndices.length; + 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 - var maxLevels = 50; - var level = 0; + this._calculateGravitationalForces(); + this._calculateNodeForces(); - // 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(); + if (this.constants.physics.springConstant > 0) { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this._calculateSpringForcesWithSupport(); } else { - this.increaseClusterLevel(); // this also includes a cluster normalization + if (this.constants.physics.hierarchicalRepulsion.enabled == true) { + this._calculateHierarchicalSpringForces(); + } + else { + this._calculateSpringForces(); + } } - - 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(); }; + /** - * This function can be called to open up a specific cluster. It is only called by - * It will unpack the cluster back one level. + * 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 | Node object: cluster to open. + * @private */ - 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; + exports._updateCalculationNodes = function () { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this.calculationNodes = {}; + this.calculationNodeIndices = []; - // we decluster until we reach a decent number of nodes - while ((this.nodeIndices.length < this.constants.clustering.initialMaxNodes) && (level < 10)) { - this.decreaseClusterLevel(); - level += 1; + 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); + } + } } + for (var idx in this.calculationNodes) { + if (this.calculationNodes.hasOwnProperty(idx)) { + this.calculationNodeIndices.push(idx); + } + } } 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.calculationNodes = this.nodes; + this.calculationNodeIndices = this.nodeIndices; } }; /** - * This calls the updateClustes with default arguments + * this function applies the central gravity effect to keep groups from floating off + * + * @private */ - exports.updateClustersDefault = function() { - if (this.constants.clustering.enabled == true) { - this.updateClusters(0,false,false); + 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 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.increaseClusterLevel = function() { - this.updateClusters(-1,false,true); - }; /** - * 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. + * this function calculates the effects of the springs in the case of unsmooth curves. + * + * @private */ - exports.decreaseClusterLevel = function() { - this.updateClusters(1,false,true); + exports._calculateSpringForces = function () { + var edgeLength, edge, edgeId; + var dx, dy, fx, fy, springForce, distance; + 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)) { + 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; + + edge.from.fx += fx; + edge.from.fy += fy; + edge.to.fx -= fx; + edge.to.fy -= fy; + } + } + } + } }; + + /** - * 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 function calculates the springforces on the nodes, accounting for the support nodes. * + * @private */ - exports.updateClusters = function(zoomDirection,recursive,force,doNotStart) { - var isMovingBeforeClustering = this.moving; - var amountOfNodes = this.nodeIndices.length; + exports._calculateSpringForcesWithSupport = function () { + var edgeLength, edge, edgeId, combinedClusterSize; + var edges = this.edges; - // 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(); - } + // 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; - // 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(); + edgeLength = edge.physics.springLength; - // 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(); - } + combinedClusterSize = node1.clusterSize + node3.clusterSize - 2; - // we now reduce chains. - if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out - this.handleChains(); - this._updateNodeIndexList(); + // 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.previousScale = this.scale; - // rest of the update the index list, dynamic edges and labels - this._updateDynamicEdges(); - this.updateLabels(); + /** + * This is the code actually performing the calculation for the function above. It is split out to avoid repetition. + * + * @param node1 + * @param node2 + * @param edgeLength + * @private + */ + exports._calculateSpringForce = function (node1, node2, edgeLength) { + var dx, dy, fx, fy, springForce, distance; - // 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(); - } + dx = (node1.x - node2.x); + dy = (node1.y - node2.y); + distance = 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(); - } + if (distance == 0) { + distance = 0.01; } - this._updateCalculationNodes(); + // 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; }; + /** - * This function handles the chains. It is called on every updateClusters(). + * Load the HTML for the physics config and bind it + * @private */ - 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) + exports._loadPhysicsConfiguration = function () { + if (this.physicsConfiguration === undefined) { + this.backupConstants = {}; + util.deepExtend(this.backupConstants,this.constants); + + 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"); + + 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"); + + 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; + } + + 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"; + } + 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 functions starts clustering by hubs - * The minimum hub threshold is set globally + * This overwrites the this.constants. * + * @param constantsVariableName + * @param value * @private */ - exports._aggregateHubs = function(force) { - this._getHubSize(); - this._formClustersByHub(force,false); + 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 function is fired by keypress. It forces hubs to form. - * + * this function is bound to the toggle smooth curves button. That is also why it is not in the prototype. */ - 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; - } + 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";} - 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._configureSmoothCurves(false); + } /** - * If a cluster takes up more than a set percentage of the screen, open the cluster + * this function is used to scramble the nodes * - * @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); - } - } + 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; } } - }; - - - /** - * 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(); + 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(); + } + this.moving = true; + this.start(); + } /** - * 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 + * this is used to generate an options file from the playing with physics system. */ - 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; + 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 += '}}' } - 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]; - - // 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); - } - } + 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 += ", " } } + options += '}}' + } + if (optionsSpecific.length == 0) {options += "}"} + if (this.constants.smoothCurves != this.backupConstants.smoothCurves) { + options += ", smoothCurves: " + this.constants.smoothCurves; } + options += '};' } - }; - - /** - * 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; - - // 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; + 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 += '}},'; } - // if there are no others, remove the cluster session from the list - if (othersPresent == false) { - parentNode.clusterSessions.pop(); + 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 += '}' } - - 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; + else { + options += "enabled:true}"; + } + options += '};' } - // check if a further expansion step is possible if recursivity is enabled - if (recursive == true) { - this._expandClusterNode(childNode,recursive,force,openAll); - } - }; + this.optionsDiv.innerHTML = options; + } /** - * position the bezier nodes at the center of the edges + * this is used to switch between barnesHut, repulsion and hierarchical. * - * @param node - * @private */ - exports._repositionBezierNodes = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - node.dynamicEdges[i].positionBezierNode(); + 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 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 + * this generates the ranges depending on the iniital values. * - * @private - * @param {Boolean} force + * @param id + * @param map + * @param constantsVariableName */ - exports._formClusters = function(force) { - if (force == false) { - this._formClustersByZoom(); + 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._forceClustersByZoom(); + 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(); + } + + +/***/ }, +/* 61 */ +/***/ function(module, exports, __webpack_require__) { /** - * This function handles the clustering by zooming out, this is based on a minimum edge distance + * Calculate the forces the nodes apply on each other based on a repulsion field. + * This field is linearly approximated. * * @private */ - exports._formClustersByZoom = function() { - var dx,dy,length, - minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; + exports._calculateNodeForces = function () { + var dx, dy, angle, distance, fx, fy, combinedClusterSize, + repulsingForce, node1, node2, i, j; - // 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); + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; + // approximation constants + var a_base = -2 / 3; + var b = 4 / 3; - 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; - } + // repulsing forces between nodes + var nodeDistance = this.constants.physics.repulsion.nodeDistance; + var minimumDistance = nodeDistance; - if (childNode.dynamicEdgesLength == 1) { - this._addToCluster(parentNode,childNode,false); - } - else if (parentNode.dynamicEdgesLength == 1) { - this._addToCluster(childNode,parentNode,false); - } - } + // 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); + + 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 / distance; + + 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 forces the network to cluster all nodes with only one connecting edge to their - * connected node. + * Calculate the forces the nodes apply on eachother based on a repulsion field. + * This field is linearly approximated. * * @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]; + exports._calculateNodeForces = function () { + var dx, dy, distance, fx, fy, + repulsingForce, node1, node2, i, j; - // 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]; + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; - // group to the largest node - if (childNode.id != parentNode.id) { - if (parentNode.options.mass > childNode.options.mass) { - this._addToCluster(parentNode,childNode,true); + // 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 { - this._addToCluster(childNode,parentNode,true); + repulsingForce = repulsingForce / distance; } - } + fx = dx * repulsingForce; + fy = dy * repulsingForce; + + node1.fx -= fx; + node1.fy -= fy; + node2.fx += fx; + node2.fy += fy; } } } @@ -29444,3965 +29515,3786 @@ return /******/ (function(modules) { // webpackBootstrap /** - * To keep the nodes of roughly equal size we normalize the cluster levels. - * This function clusters a node to its smallest connected neighbour. + * this function calculates the effects of the springs in the case of unsmooth curves. * - * @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; - } - else if (node.dynamicEdges[i].toId != node.id) { - neighbour = node.dynamicEdges[i].to; - } + 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; - if (neighbour != null && smallestNeighbour > neighbour.clusterSessions.length) { - smallestNeighbour = neighbour.clusterSessions.length; - smallestNeighbourNode = neighbour; + + 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; + + + + 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; + } + } } } } - if (neighbour != null && this.nodes[neighbour.id] !== undefined) { - this._addToCluster(neighbour, node, true); + // 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; } + }; +/***/ }, +/* 63 */ +/***/ function(module, exports, __webpack_require__) { /** - * This function forms clusters from hubs, it loops over all nodes + * 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 {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._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); + + 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 function forms a cluster from a specific preselected hub node + * 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 {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] | + * @param parentBranch + * @param node * @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; - - // 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); - } + exports._getForceContribution = function(parentBranch,node) { + // we get no force contribution from an empty region + if (parentBranch.childrenCount > 0) { + var dx,dy,distance; - // 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); + // 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); - if (length < minLength) { - allowCluster = true; - break; - } - } - } - } + // BarnesHut condition + // original condition : s/d < theta = passed === d/s > 1/theta = passed + // calcSize = 1/s --> d * 1/s > 1/theta = passed + if (distance * parentBranch.calcSize > this.constants.physics.barnesHut.theta) { + // 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; } - - // 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); + 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; } } } } }; - - /** - * This function adds the child node to the parent node, creating a cluster if it is not already. + * This function constructs the barnesHut tree recursively. It creates the root, splits it and starts placing the nodes. * - * @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 + * @param nodes + * @param nodeIndices * @private */ - exports._addToCluster = function(parentNode, childNode, force) { - // join child node in the parent node - parentNode.containedNodes[childNode.id] = childNode; + exports._formBarnesHutTree = function(nodes,nodeIndices) { + var node; + var nodeCount = nodeIndices.length; - // 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); + var minX = Number.MAX_VALUE, + minY = Number.MAX_VALUE, + maxX =-Number.MAX_VALUE, + maxY =-Number.MAX_VALUE; + + // 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; } } } - // a contained node has no dynamic edges. - childNode.dynamicEdges = []; - - // remove circular edges from clusters - this._containCircularEdgesFromNode(parentNode,childNode); - + // 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 - // 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); + 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); - // 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); - } + // 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); - // 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 + // 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); + } } - // 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; + // make global + this.barnesHutTree = barnesHutTree }; /** - * 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(). + * this updates the mass of a branch. this is increased by adding a node. + * + * @param parentBranch + * @param node * @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; + 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; + + parentBranch.mass = totalMass; + var biggestSize = Math.max(Math.max(node.height,node.radius),node.width); + parentBranch.maxWidth = (parentBranch.maxWidth < biggestSize) ? biggestSize : parentBranch.maxWidth; - // 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 adds an edge from the childNode to the contained edges of the parent node + * determine in which branch the node will be placed. * - * @param parentNode | Node object - * @param childNode | Node object - * @param edge | Edge object + * @param parentBranch + * @param node + * @param skipMassUpdate * @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] = [] + exports._placeInTree = function(parentBranch,node,skipMassUpdate) { + if (skipMassUpdate != true || skipMassUpdate === undefined) { + // update the mass of the branch. + this._updateBranchMass(parentBranch,node); } - // add this edge to the list - parentNode.containedEdges[childNode.id].push(edge); - - // remove the edge from the global edges object - delete this.edges[edge.id]; - // 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 (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 { // 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"); } } }; + /** - * 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. + * actually place the node in a region (or branch) * - * @param {Node} parentNode | Node object - * @param {Node} childNode | Node object - * @param {Edge} edge | Edge object + * @param parentBranch + * @param node + * @param region * @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 - - edge.originalFromId.push(childNode.id); - edge.from = parentNode; - edge.fromId = parentNode.id; - } - - this._addToReroutedEdges(parentNode,childNode,edge); + 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; } }; /** - * 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 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 parentNode - * @param childNode + * @param parentBranch * @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._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; + } + 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 adds an edge from the childNode to the rerouted edges of the parent node + * 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 parentNode | Node object - * @param childNode | Node object - * @param edge | Edge object + * @param parentBranch + * @param region + * @param parentRange * @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] = []; + 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; } - parentNode.reroutedEdges[childNode.id].push(edge); - // this edge becomes part of the dynamicEdges of the cluster node - parentNode.dynamicEdges.push(edge); - }; + 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 function connects an edge that was connected to a cluster node back to the child node. + * This function is for debugging purposed, it draws the tree. * - * @param parentNode | Node object - * @param childNode | Node object + * @param ctx + * @param color * @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; - } + exports._drawTree = function(ctx,color) { + if (this.barnesHutTree !== undefined) { - // append this edge to the list of edges connecting to the childnode - childNode.dynamicEdges.push(edge); + ctx.lineWidth = 1; - // 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]; + this._drawBranch(this.barnesHutTree.root,ctx,color); } }; /** - * 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 is for debugging purposes. It draws the branches recursively. * - * @param parentNode | Node object + * @param branch + * @param ctx + * @param color * @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._drawBranch = function(branch,ctx,color) { + if (color === undefined) { + color = "#FF0000"; } - }; + 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 function released the contained edges back into the global domain and puts them back into the - * dynamic edges of both parent and child. - * - * @param {Node} parentNode | - * @param {Node} childNode | - * @private - */ - exports._releaseContainedEdges = function(parentNode, childNode) { - for (var i = 0; i < parentNode.containedEdges[childNode.id].length; i++) { - var edge = parentNode.containedEdges[childNode.id][i]; + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.minY); + ctx.lineTo(branch.range.maxX,branch.range.maxY); + ctx.stroke(); - // put the edge back in the global edges object - this.edges[edge.id] = edge; + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.maxY); + ctx.lineTo(branch.range.minX,branch.range.maxY); + ctx.stroke(); - // put the edge back in the dynamic edges of the child and parent - childNode.dynamicEdges.push(edge); - parentNode.dynamicEdges.push(edge); - } - // remove the entry from the contained edges - delete parentNode.containedEdges[childNode.id]; + 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(); + } + */ }; +/***/ }, +/* 64 */ +/***/ function(module, exports, __webpack_require__) { + + /** + * Creation of the ClusterMixin var. + * + * This contains all the functions the Network object can use to employ clustering + */ + /** + * 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); - // ------------------- UTILITY FUNCTIONS ---------------------------- // + // 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(); + }; /** - * This updates the node labels for all nodes (for debugging purposes) + * This function clusters until the initialMaxNodes has been reached + * + * @param {Number} maxNumberOfNodes + * @param {Boolean} reposition */ - 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),"]"); - } - } - } + exports.clusterToFit = function(maxNumberOfNodes, reposition) { + var numberOfNodes = this.nodeIndices.length; - // 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); - } - } + 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 } - } - // /* Debug Override */ - // for (nodeId in this.nodes) { - // if (this.nodes.hasOwnProperty(nodeId)) { - // node = this.nodes[nodeId]; - // node.label = String(node.level); - // } - // } + 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(); }; - /** - * 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. + * 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. */ - exports.normalizeClusterLevels = function() { - var maxLevel = 0; - var minLevel = 1e9; - var clusterLevel = 0; - var nodeId; + 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 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;} + // we decluster until we reach a decent number of nodes + while ((this.nodeIndices.length < this.constants.clustering.initialMaxNodes) && (level < 10)) { + this.decreaseClusterLevel(); + level += 1; } + } + else { + this._expandClusterNode(node,false,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]); - } - } - } + // update the index list, dynamic edges and labels this._updateNodeIndexList(); this._updateDynamicEdges(); - // if a cluster was formed, we increase the clusterSession - if (this.nodeIndices.length != amountOfNodes) { - this.clusterSession += 1; - } + 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 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 + * This calls the updateClustes with default arguments */ - 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.updateClustersDefault = function() { + if (this.constants.clustering.enabled == true) { + this.updateClusters(0,false,false); + } }; /** - * 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 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.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); - } - } + exports.increaseClusterLevel = function() { + this.updateClusters(-1,false,true); }; /** - * 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 + * 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._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; - } - 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; - } - - // console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); - // console.log("hubThreshold:",this.hubThreshold); + exports.decreaseClusterLevel = function() { + this.updateClusters(1,false,true); }; /** - * 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. + * 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 {Number} fraction | between 0 and 1, the percentage of chains to reduce - * @private */ - 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; - } - } - } + 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(); } - }; - /** - * 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; + // 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(); } } - return chains/total; - }; - - -/***/ }, -/* 61 */ -/***/ function(module, exports, __webpack_require__) { + this._updateNodeIndexList(); - var util = __webpack_require__(1); - var Node = __webpack_require__(40); + // 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(); + } - /** - * 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. - */ + // we now reduce chains. + if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out + this.handleChains(); + this._updateNodeIndexList(); + } - /** - * 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._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; - }; + this.previousScale = this.scale; + // rest of the update the index list, dynamic edges and labels + this._updateDynamicEdges(); + this.updateLabels(); - /** - * /** - * 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._switchToSector = function(sectorId, sectorType) { - if (sectorType === undefined || sectorType == "active") { - this._switchToActiveSector(sectorId); - } - else { - this._switchToFrozenSector(sectorId); + // 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 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._updateCalculationNodes(); }; - /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied active sector. - * - * @private + * This function handles the chains. It is called on every updateClusters(). */ - exports._switchToSupportSector = function() { - this.nodeIndices = this.sectors["support"]["nodeIndices"]; - this.nodes = this.sectors["support"]["nodes"]; - this.edges = this.sectors["support"]["edges"]; - }; - + 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 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 function sets the global references to nodes, edges and nodeIndices back to - * those of the currently active sector. + * this functions starts clustering by hubs + * The minimum hub threshold is set globally * * @private */ - exports._loadLatestSector = function() { - this._switchToSector(this._sector()); + exports._aggregateHubs = function(force) { + this._getHubSize(); + this._formClustersByHub(force,false); }; /** - * This function returns the currently active sector Id + * This function is fired by keypress. It forces hubs to form. * - * @returns {String} - * @private */ - exports._sector = function() { - return this.activeSector[this.activeSector.length-1]; - }; + exports.forceAggregateHubs = function(doNotStart) { + var isMovingBeforeClustering = this.moving; + var amountOfNodes = this.nodeIndices.length; + this._aggregateHubs(true); - /** - * 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]; + // 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 { - throw new TypeError('there are not enough sectors in the this.activeSector array.'); + + 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(); + } } }; - /** - * 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. + * If a cluster takes up more than a set percentage of the screen, open the cluster * - * @param newId * @private */ - exports._setActiveSector = function(newId) { - this.activeSector.push(newId); + 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); + } + } + } + } }; /** - * We remove the currently active sector id from the active sector stack. This happens when - * we reactivate the previously active sector + * 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._forgetLastSector = function() { - this.activeSector.pop(); + 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(); + } }; - /** - * This function creates a new active sector with the supplied newId. This newId - * is the expanding node id. + * 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 {String} newId | Id of the new active sector + * @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._createNewSector = function(newId) { - // create the new sector - this.sectors["active"][newId] = {"nodes":{}, - "edges":{}, - "nodeIndices":[], - "formationScale": this.scale, - "drawingNode": undefined}; + 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; - // 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" + // 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]; + + // 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); + } + } } - },{},{},this.constants); - this.sectors["active"][newId]['drawingNode'].clusterSize = 2; + } + } + } }; - /** - * This function removes the currently active sector. This is called when we create a new - * active sector. + * ONLY CALLED FROM _expandClusterNode * - * @param {String} sectorId | Id of the active sector that will be removed - * @private - */ - exports._deleteActiveSector = function(sectorId) { - delete this.sectors["active"][sectorId]; - }; - - - /** - * This function removes the currently active sector. This is called when we reactivate - * the previously active sector. + * 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 {String} sectorId | Id of the active sector that will be removed + * @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._deleteFrozenSector = function(sectorId) { - delete this.sectors["frozen"][sectorId]; - }; + 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(); - /** - * 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]; + // put the child node back in the global nodes object + this.nodes[containedNodeId] = childNode; - // we have moved the sector data into the frozen set, we now remove it from the active set - this._deleteActiveSector(sectorId); - }; + // 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); - /** - * 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]; + // validate all edges in dynamicEdges + this._validateEdges(parentNode); - // we have moved the sector data into the active set, we now remove it from the frozen stack - this._deleteFrozenSector(sectorId); - }; + // 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()); - /** - * 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._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]; - } - } + // remove node from the list + delete parentNode.containedNodes[containedNodeId]; - // 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]; + // 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; } - // merge the nodeIndices - for (var i = 0; i < this.nodeIndices.length; i++) { - this.sectors["frozen"][sectorId]["nodeIndices"].push(this.nodeIndices[i]); + // check if a further expansion step is possible if recursivity is enabled + if (recursive == true) { + this._expandClusterNode(childNode,recursive,force,openAll); } }; /** - * 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. + * position the bezier nodes at the center of the edges * + * @param node * @private */ - exports._collapseThisToSingleCluster = function() { - this.clusterToFit(1,false); + exports._repositionBezierNodes = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + node.dynamicEdges[i].positionBezierNode(); + } }; /** - * We create a new active sector from the node that we want to open. + * 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 * - * @param node * @private + * @param {Boolean} force */ - 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()); - - // finally we add the node we removed from our previous active sector to the new active sector - this.nodes[node.id] = node; + exports._formClusters = function(force) { + if (force == false) { + this._formClustersByZoom(); + } + else { + this._forceClustersByZoom(); + } }; /** - * 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 function handles the clustering by zooming out, this is based on a minimum edge distance * * @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); - - // we load the references from the newly active sector into the global references - this._switchToSector(previousSector); - - // we forget the previously active sector because we reverted to the one before - this._forgetLastSector(); + exports._formClustersByZoom = function() { + var dx,dy,length, + minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; - // finally, we update the node index list. - this._updateNodeIndexList(); + // 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); - // we refresh the list with calulation nodes and calculation node indices. - this._updateCalculationNodes(); - } - } - }; + 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 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._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 { - 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) ); + if (childNode.dynamicEdgesLength == 1) { + this._addToCluster(parentNode,childNode,false); + } + else if (parentNode.dynamicEdgesLength == 1) { + this._addToCluster(childNode,parentNode,false); + } + } } } } } - // 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(). + * This function forces the network to cluster all nodes with only one connecting edge to their + * connected node. * - * @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._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); + 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); + } + } + } } } - // we revert the global references back to our active sector - this._loadLatestSector(); - return returnValues; }; /** - * This runs a function in all frozen sectors. This is used in the _redraw(). + * To keep the nodes of roughly equal size we normalize the cluster levels. + * This function clusters a node to its smallest connected neighbour. * - * @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 node * @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._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 { - 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); - } + 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; } } } - this._loadLatestSector(); + + if (neighbour != null && this.nodes[neighbour.id] !== undefined) { + this._addToCluster(neighbour, node, true); + } }; /** - * This runs a function in all sectors. This is used in the _redraw(). + * This function forms clusters from hubs, it loops over all nodes * - * @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 {Boolean} force | Disregard zoom level + * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges * @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._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); } } }; - /** - * 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 forms a cluster from a specific preselected hub node * + * @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._clearNodeIndexList = function() { - var sector = this._sector(); - this.sectors["active"][sector]["nodeIndices"] = []; - this.nodeIndices = this.sectors["active"][sector]["nodeIndices"]; - }; + 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); + } - /** - * Draw the encompassing sector node - * - * @param ctx - * @param sectorType - * @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) { + // 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); - this._switchToSector(sector,sectorType); + if (length < minLength) { + allowCluster = true; + break; + } + } + } + } + } + } - 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;} + // 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); } } - 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); } } } }; - exports._drawAllSectorNodes = function(ctx) { - this._drawSectorNodes(ctx,"frozen"); - this._drawSectorNodes(ctx,"active"); - this._loadLatestSector(); - }; - - -/***/ }, -/* 62 */ -/***/ function(module, exports, __webpack_require__) { - var Node = __webpack_require__(40); /** - * This function can be called from the _doInAllSectors function + * This function adds the child node to the parent node, creating a cluster if it is not already. * - * @param object - * @param overlappingNodes + * @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._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); - } + 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); } } - }; - - /** - * 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; - }; + // a contained node has no dynamic edges. + childNode.dynamicEdges = []; + // remove circular edges from clusters + this._containCircularEdgesFromNode(parentNode,childNode); - /** - * 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._pointerToPositionObject = function(pointer) { - var x = this._XconvertDOMtoCanvas(pointer.x); - var y = this._YconvertDOMtoCanvas(pointer.y); - return { - left: x, - top: y, - right: x, - bottom: y - }; - }; + // 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); - /** - * 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); + // 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); + } - // 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]]; + // 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 { - return null; + 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(); - /** - * 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); - } - } - } - }; + // 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(); - /** - * 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; + // 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; }; + /** - * 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} + * 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._getEdgeAt = function(pointer) { - var positionObject = this._pointerToPositionObject(pointer); - var overlappingEdges = this._getAllEdgesOverlappingWith(positionObject); + exports._updateDynamicEdges = function() { + for (var i = 0; i < this.nodeIndices.length; i++) { + var node = this.nodes[this.nodeIndices[i]]; + node.dynamicEdgesLength = node.dynamicEdges.length; - if (overlappingEdges.length > 0) { - return this.edges[overlappingEdges[overlappingEdges.length - 1]]; - } - else { - return null; + // 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; } }; /** - * Add object to the selection array. + * This adds an edge from the childNode to the contained edges of the parent node * - * @param obj + * @param parentNode | Node object + * @param childNode | Node object + * @param edge | Edge object * @private */ - exports._addToSelection = function(obj) { - if (obj instanceof Node) { - this.selectionObj.nodes[obj.id] = obj; + 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] = [] } - else { - this.selectionObj.edges[obj.id] = obj; + // add this edge to the list + parentNode.containedEdges[childNode.id].push(edge); + + // remove the edge from the global edges object + delete this.edges[edge.id]; + + // 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; + } } }; /** - * Add object to the selection array. + * 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 obj + * @param {Node} parentNode | Node object + * @param {Node} childNode | Node object + * @param {Edge} edge | Edge object * @private */ - exports._addToHover = function(obj) { - if (obj instanceof Node) { - this.hoverObj.nodes[obj.id] = obj; + exports._connectEdgeToCluster = function(parentNode, childNode, edge) { + // handle circular edges + if (edge.toId == edge.fromId) { + this._addToContainedEdges(parentNode, childNode, edge); } else { - this.hoverObj.edges[obj.id] = obj; - } - }; + 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; + } - /** - * Remove a single option from selection. - * - * @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]; + this._addToReroutedEdges(parentNode,childNode,edge); } }; + /** - * Unselect all. The selectionObj is useful for this. + * 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 {Boolean} [doNotTrigger] | ignore trigger + * @param parentNode + * @param childNode * @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._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); } } - - this.selectionObj = {nodes:{},edges:{}}; - - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); - } }; + /** - * Unselect all clusters. The selectionObj is useful for this. + * This adds an edge from the childNode to the rerouted edges of the parent node * - * @param {Boolean} [doNotTrigger] | ignore trigger + * @param parentNode | Node object + * @param childNode | Node object + * @param edge | Edge object * @private */ - exports._unselectClusters = function(doNotTrigger) { - if (doNotTrigger === undefined) { - doNotTrigger = false; + 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); - 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]); - } - } - } + // this edge becomes part of the dynamicEdges of the cluster node + parentNode.dynamicEdges.push(edge); + }; - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); - } - }; /** - * return the number of selected nodes + * This function connects an edge that was connected to a cluster node back to the child node. * - * @returns {number} + * @param parentNode | Node object + * @param childNode | Node object * @private */ - exports._getSelectedNodeCount = function() { - var count = 0; - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - count += 1; - } - } - return count; - }; + 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; + } - /** - * return the selected node - * - * @returns {number} - * @private - */ - exports._getSelectedNode = function() { - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - return this.selectionObj.nodes[nodeId]; + // 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]; } - return null; }; + /** - * return the selected edge + * 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 * - * @returns {number} + * @param parentNode | Node object * @private */ - exports._getSelectedEdge = function() { - for (var edgeId in this.selectionObj.edges) { - if (this.selectionObj.edges.hasOwnProperty(edgeId)) { - return this.selectionObj.edges[edgeId]; + 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); } } - return null; }; /** - * return the number of selected edges + * This function released the contained edges back into the global domain and puts them back into the + * dynamic edges of both parent and child. * - * @returns {number} + * @param {Node} parentNode | + * @param {Node} childNode | * @private */ - exports._getSelectedEdgeCount = function() { - var count = 0; - for (var edgeId in this.selectionObj.edges) { - if (this.selectionObj.edges.hasOwnProperty(edgeId)) { - count += 1; - } + 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); } - return count; + // remove the entry from the contained edges + delete parentNode.containedEdges[childNode.id]; + }; + + + // ------------------- UTILITY FUNCTIONS ---------------------------- // + + /** - * return the number of selected objects. - * - * @returns {number} - * @private + * This updates the node labels for all nodes (for debugging purposes) */ - exports._getSelectedObjectCount = function() { - var count = 0; - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - count += 1; + 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),"]"); + } } } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - count += 1; + + // 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); + } + } } } - return count; + + // /* Debug Override */ + // for (nodeId in this.nodes) { + // if (this.nodes.hasOwnProperty(nodeId)) { + // node = this.nodes[nodeId]; + // node.label = String(node.level); + // } + // } + }; + /** - * Check if anything is selected - * - * @returns {boolean} - * @private + * 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._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.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;} } } - return true; - }; - - /** - * 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; + 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 false; }; - /** - * select the edges connected to the node that is being selected - * - * @param {Node} node - * @private - */ - exports._selectConnectedEdges = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - var edge = node.dynamicEdges[i]; - edge.select(); - this._addToSelection(edge); - } - }; + /** - * select the edges connected to the node that is being selected + * 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._hoverConnectedEdges = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - var edge = node.dynamicEdges[i]; - edge.hover = true; - this._addToHover(edge); - } + 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 + ) }; /** - * unselect the edges connected to the node that is being selected + * 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. * - * @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); + 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 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 + * 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%) * - * @param {Node || Edge} object - * @param {Boolean} append - * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._selectObject = function(object, append, doNotTrigger, highlightEdges, overrideSelectable) { - if (doNotTrigger === undefined) { - doNotTrigger = false; - } - if (highlightEdges === undefined) { - highlightEdges = true; - } + exports._getHubSize = function() { + var average = 0; + var averageSquared = 0; + var hubCounter = 0; + var largestHub = 0; - if (this._selectionIsEmpty() == false && append == false && this.forceAppendSelection == false) { - this._unselectAll(true); - } + for (var i = 0; i < this.nodeIndices.length; i++) { - // 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); + 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; } - // 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); - } + average = average / hubCounter; + averageSquared = averageSquared / hubCounter; - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); + 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; } + + // console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); + // console.log("hubThreshold:",this.hubThreshold); }; /** - * 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 + * 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 {Node || Edge} object + * @param {Number} fraction | between 0 and 1, the percentage of chains to reduce * @private */ - exports._blurObject = function(object) { - if (object.hover == true) { - object.hover = false; - this.emit("blurNode",{node:object.id}); + 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; + } + } + } } }; /** - * 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 + * 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. * - * @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}); + 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; } } - if (object instanceof Node) { - this._hoverConnectedEdges(object); - } + return chains/total; }; +/***/ }, +/* 65 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Node = __webpack_require__(56); + /** - * 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 + * 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 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. * - * @param {Object} pointer * @private */ - exports._handleTouch = function(pointer) { + 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; }; /** - * handles the selection part of the tap; + * /** + * 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 {Object} pointer + * @param {String} sectorId + * @param {String} [sectorType] | "active" or "frozen" * @private */ - exports._handleTap = function(pointer) { - var node = this._getNodeAt(pointer); - if (node != null) { - this._selectObject(node, false); + exports._switchToSector = function(sectorId, sectorType) { + if (sectorType === undefined || sectorType == "active") { + this._switchToActiveSector(sectorId); } else { - var edge = this._getEdgeAt(pointer); - if (edge != null) { - this._selectObject(edge, false); - } - 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._switchToFrozenSector(sectorId); } - this.emit("click", properties); - this._redraw(); }; /** - * handles the selection part of the double tap and opens a cluster if needed + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. * - * @param {Object} pointer + * @param sectorId * @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)} - } - this.emit("doubleClick", properties); + 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"]; }; /** - * Handle the onHold selection part + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. * - * @param pointer * @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); - } - } - this._redraw(); + exports._switchToSupportSector = function() { + this.nodeIndices = this.sectors["support"]["nodeIndices"]; + this.nodes = this.sectors["support"]["nodes"]; + this.edges = this.sectors["support"]["edges"]; }; /** - * handle the onRelease event. These functions are here for the navigation controls module - * and data manipulation module. + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied frozen sector. * - * @private + * @param sectorId + * @private */ - exports._handleOnRelease = function(pointer) { - this._manipulationReleaseOverload(pointer); - this._navigationReleaseOverload(pointer); + 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 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()); }; - exports._manipulationReleaseOverload = function (pointer) {}; - exports._navigationReleaseOverload = function (pointer) {}; /** + * This function returns the currently active sector Id * - * retrieve the currently selected objects - * @return {{nodes: Array., edges: Array.}} selection + * @returns {String} + * @private */ - exports.getSelection = function() { - var nodeIds = this.getSelectedNodes(); - var edgeIds = this.getSelectedEdges(); - return {nodes:nodeIds, edges:edgeIds}; + exports._sector = function() { + return this.activeSector[this.activeSector.length-1]; }; + /** + * This function returns the previously active sector Id * - * retrieve the currently selected nodes - * @return {String[]} selection An array with the ids of the - * selected nodes. + * @returns {String} + * @private */ - 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._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.'); } - return idArray }; + /** + * 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. * - * retrieve the currently selected edges - * @return {Array} selection An array with the ids of the - * selected nodes. + * @param newId + * @private */ - 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; + exports._setActiveSector = function(newId) { + this.activeSector.push(newId); }; /** - * select zero or more nodes DEPRICATED - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. + * We remove the currently active sector id from the active sector stack. This happens when + * we reactivate the previously active sector + * + * @private */ - exports.setSelection = function() { - console.log("setSelection is deprecated. Please use selectNodes instead.") + exports._forgetLastSector = function() { + this.activeSector.pop(); }; /** - * 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 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.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]; + exports._createNewSector = function(newId) { + // create the new sector + this.sectors["active"][newId] = {"nodes":{}, + "edges":{}, + "nodeIndices":[], + "formationScale": this.scale, + "drawingNode": undefined}; - 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(); + // 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; }; /** - * select zero or more edges - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. + * 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.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(); + exports._deleteActiveSector = function(sectorId) { + delete this.sectors["active"][sectorId]; }; + /** - * Validate the selection: remove ids of nodes which no longer exist + * 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._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]; - } - } - } + exports._deleteFrozenSector = function(sectorId) { + delete this.sectors["frozen"][sectorId]; }; -/***/ }, -/* 63 */ -/***/ function(module, exports, __webpack_require__) { + /** + * 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]; + + // we have moved the sector data into the frozen set, we now remove it from the active set + this._deleteActiveSector(sectorId); + }; - var util = __webpack_require__(1); - var Node = __webpack_require__(40); - var Edge = __webpack_require__(37); /** - * clears the toolbar div element of children + * This is the reverse operation of _freezeSector. Activating means moving the sector from the "frozen" + * object to the "active" object. * + * @param sectorId * @private */ - exports._clearManipulatorBar = function() { - while (this.manipulationDiv.hasChildNodes()) { - this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); - } - this.manipulationDOM = {}; + exports._activateSector = function(sectorId) { + // we move the set references from the frozen to the active stack. + this.sectors["active"][sectorId] = this.sectors["frozen"][sectorId]; - this._manipulationReleaseOverload = function () {}; - delete this.sectors['support']['nodes']['targetNode']; - delete this.sectors['support']['nodes']['targetViaNode']; - this.controlNodesActive = false; + // we have moved the sector data into the active set, we now remove it from the frozen stack + this._deleteFrozenSector(sectorId); }; + /** - * 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 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._restoreOverloadedFunctions = function() { - for (var functionName in this.cachedFunctions) { - if (this.cachedFunctions.hasOwnProperty(functionName)) { - this[functionName] = this.cachedFunctions[functionName]; + 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]; } } + + // 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]; + } + } + + // merge the nodeIndices + for (var i = 0; i < this.nodeIndices.length; i++) { + this.sectors["frozen"][sectorId]["nodeIndices"].push(this.nodeIndices[i]); + } }; + /** - * Enable or disable edit-mode. + * 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._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 { - toolbar.style.display="none"; - closeDiv.style.display="none"; - editModeDiv.style.display="block"; - closeDiv.onclick = null; - } - this._createManipulatorBar() + exports._collapseThisToSingleCluster = function() { + this.clusterToFit(1,false); }; + /** - * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. + * We create a new active sector from the node that we want to open. * + * @param node * @private */ - exports._createManipulatorBar = function() { - // remove bound functions - if (this.boundFunction) { - this.off('select', this.boundFunction); - } + exports._addSector = function(node) { + // this is the currently active sector + var sector = this._sector(); - var locale = this.constants.locales[this.constants.locale]; + // // 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!!"); + // } - if (this.edgeBeingEdited !== undefined) { - this.edgeBeingEdited._disableControlNodes(); - this.edgeBeingEdited = undefined; - this.selectedControlNode = null; - this.controlNodesActive = false; - this._redraw(); - } + // 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]; - // restore overloaded functions - this._restoreOverloadedFunctions(); + var unqiueIdentifier = util.randomUUID(); - // resume calculation - this.freezeSimulation = false; + // we fully freeze the currently active sector + this._freezeSector(sector); - // reset global variables - this.blockConnectingEdgeSelection = false; - this.forceAppendSelection = false; - this.manipulationDOM = {}; + // we create a new active sector. This sector has the Id of the node to ensure uniqueness + this._createNewSector(unqiueIdentifier); - if (this.editMode == true) { - while (this.manipulationDiv.hasChildNodes()) { - this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); - } + // we add the active sector to the sectors array to be able to revert these steps later on + this._setActiveSector(unqiueIdentifier); - 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']); + // we redirect the global references to the new sector's references. this._sector() now returns unqiueIdentifier + this._switchToSector(this._sector()); - this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; + // finally we add the node we removed from our previous active sector to the new active sector + this.nodes[node.id] = node; + }; - 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']); + /** + * 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._collapseSector = function() { + // the currently active sector + var sector = this._sector(); - if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { - this.manipulationDOM['seperatorLineDiv2'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv2'].className = 'network-seperatorLine'; + // 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(); - 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']); + // we collapse the sector back to a single cluster + this._collapseThisToSingleCluster(); - 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'; + // 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.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']); + // 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.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'; + // we activate the previously active (and currently frozen) sector. + this._activateSector(previousSector); - 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']); + // we load the references from the newly active sector into the global references + this._switchToSector(previousSector); - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv4']); - this.manipulationDiv.appendChild(this.manipulationDOM['deleteSpan']); - } + // we forget the previously active sector because we reverted to the one before + this._forgetLastSector(); + // finally, we update the node index list. + this._updateNodeIndexList(); - // 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); + // we refresh the list with calulation nodes and calculation node indices. + this._updateCalculationNodes(); } - this.closeDiv.onclick = this._toggleEditMode.bind(this); + } + }; - this.boundFunction = this._createManipulatorBar.bind(this); - this.on('select', this.boundFunction); + + /** + * 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._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 { - while (this.editModeDiv.hasChildNodes()) { - this.editModeDiv.removeChild(this.editModeDiv.firstChild); + 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) ); + } + } } - - 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); } + // we revert the global references back to our active sector + this._loadLatestSector(); + return returnValues; }; - /** - * Create the toolbar for adding Nodes + * 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._createAddNodeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - if (this.boundFunction) { - this.off('select', this.boundFunction); + 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; + }; - 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 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._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 { + 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(); + }; - 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']); + /** + * 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._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); + } + } + }; - // 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. - this.boundFunction = this._addNode.bind(this); - this.on('select', this.boundFunction); + /** + * 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"]; }; /** - * create the toolbar to connect nodes + * Draw the encompassing sector node * + * @param ctx + * @param sectorType * @private */ - exports._createAddEdgeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - this._unselectAll(true); - this.freezeSimulation = true; + 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) { - var locale = this.constants.locales[this.constants.locale]; + this._switchToSector(sector,sectorType); - if (this.boundFunction) { - this.off('select', this.boundFunction); + 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); + } + } } + }; - this._unselectAll(); - this.forceAppendSelection = false; - this.blockConnectingEdgeSelection = true; - - 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['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); + exports._drawAllSectorNodes = function(ctx) { + this._drawSectorNodes(ctx,"frozen"); + this._drawSectorNodes(ctx,"active"); + this._loadLatestSector(); + }; - // we use the boundFunction so we can reference it when we unbind it from the "select" event. - this.boundFunction = this._handleConnect.bind(this); - 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; +/***/ }, +/* 66 */ +/***/ function(module, exports, __webpack_require__) { - // redraw to show the unselect - this._redraw(); - }; + var Node = __webpack_require__(56); /** - * create the toolbar to edit edges + * This function can be called from the _doInAllSectors function * + * @param object + * @param overlappingNodes * @private */ - exports._createEditEdgeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - this.controlNodesActive = true; - - if (this.boundFunction) { - this.off('select', this.boundFunction); + 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.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; - - // redraw to show the unselect - this._redraw(); + /** + * 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; }; /** - * 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. + * 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._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._pointerToPositionObject = function(pointer) { + var x = this._XconvertDOMtoCanvas(pointer.x); + var y = this._YconvertDOMtoCanvas(pointer.y); + + return { + left: x, + top: y, + right: x, + bottom: y + }; }; /** - * 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. + * Get the top node at the a specific point (like a click) * + * @param {{x: Number, y: Number}} pointer + * @return {Node | null} 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._getNodeAt = function (pointer) { + // we first check if this is an navigation controls element + var positionObject = this._pointerToPositionObject(pointer); + var overlappingNodes = this._getAllNodesOverlappingWith(positionObject); - exports._releaseControlNode = function(pointer) { - var newNode = this._getNodeAt(pointer); - if (newNode !== null) { - if (this.edgeBeingEdited.controlNodes.from.selected == true) { - this._editEdge(newNode.id, this.edgeBeingEdited.to.id); - this.edgeBeingEdited.controlNodes.from.unselect(); - } - if (this.edgeBeingEdited.controlNodes.to.selected == true) { - this._editEdge(this.edgeBeingEdited.from.id, newNode.id); - this.edgeBeingEdited.controlNodes.to.unselect(); - } + // 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 { - this.edgeBeingEdited._restoreControlNodes(); + return null; } - this.freezeSimulation = false; - this._redraw(); }; + /** - * 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. - * + * 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._handleConnect = function(pointer) { - if (this._getSelectedNodeCount() == 0) { - var node = this._getNodeAt(pointer); - - 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']; - - // 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; - - // 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; - - 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); - }; - - this.moving = true; - this.start(); + 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._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(); - } + /** + * 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; }; - /** - * Adds a node on the specified location + * 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._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 { - this.nodesData.add(defaultData); - this._createManipulatorBar(); - this.moving = true; - this.start(); - } + 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; } }; /** - * connect two nodes with a new edge. + * Add object to the selection array. * + * @param obj * @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(); - } - } - else { - this.edgesData.add(defaultData); - this.moving = true; - this.start(); - } + exports._addToSelection = function(obj) { + if (obj instanceof Node) { + this.selectionObj.nodes[obj.id] = obj; + } + else { + this.selectionObj.edges[obj.id] = obj; } }; /** - * connect two nodes with a new edge. + * Add object to the selection array. * + * @param obj * @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(); - } - } - else { - this.edgesData.update(defaultData); - this.moving = true; - this.start(); - } + exports._addToHover = function(obj) { + if (obj instanceof Node) { + this.hoverObj.nodes[obj.id] = obj; + } + else { + this.hoverObj.edges[obj.id] = obj; } }; + /** - * Create the toolbar to edit the selected node. The label and the color can be changed. Other colors are derived from the chosen color. + * Remove a single option from selection. * + * @param {Object} obj * @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(); - }); - } - else { - throw new Error('The function for edit does not support two arguments (data, callback)'); - } + exports._removeFromSelection = function(obj) { + if (obj instanceof Node) { + delete this.selectionObj.nodes[obj.id]; } else { - throw new Error('No edit function has been bound to this button'); + delete this.selectionObj.edges[obj.id]; } }; - - - /** - * delete everything in the selection + * Unselect all. The selectionObj is useful for this. * + * @param {Boolean} [doNotTrigger] | ignore trigger * @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)') - } - } - 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._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(); } } - }; - - -/***/ }, -/* 64 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var Hammer = __webpack_require__(45); - - 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(); + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + this.selectionObj.edges[edgeId].unselect(); } - this.navigationHammers.existing = []; } - this._navigationReleaseOverload = function () {}; + this.selectionObj = {nodes:{},edges:{}}; - // clean up previous navigation items - if (this.navigationDivs && this.navigationDivs['wrapper'] && this.navigationDivs['wrapper'].parentNode) { - this.navigationDivs['wrapper'].parentNode.removeChild(this.navigationDivs['wrapper']); + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); } }; /** - * 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. + * Unselect all clusters. The selectionObj is useful for this. * + * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._loadNavigationElements = function() { - this._cleanNavigation(); - - this.navigationDivs = {}; - var navigationDivs = ['up','down','left','right','zoomIn','zoomOut','zoomExtends']; - var navigationDivActions = ['_moveUp','_moveDown','_moveLeft','_moveRight','_zoomIn','_zoomOut','_zoomExtent']; - - 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); + exports._unselectClusters = function(doNotTrigger) { + if (doNotTrigger === undefined) { + doNotTrigger = false; } - this._navigationReleaseOverload = this._stopMovement; + 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]); + } + } + } - this.navigationHammers.existing = this.navigationHammers._new; + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } }; /** - * this stops all movement induced by the navigation buttons + * return the number of selected nodes * + * @returns {number} * @private */ - exports._zoomExtent = function(event) { - this.zoomExtent({duration:700}); - event.stopPropagation(); + exports._getSelectedNodeCount = function() { + var count = 0; + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + count += 1; + } + } + return count; }; /** - * this stops all movement induced by the navigation buttons + * return the selected node * + * @returns {number} * @private */ - exports._stopMovement = function() { - this._xStopMoving(); - this._yStopMoving(); - this._stopZoom(); + exports._getSelectedNode = function() { + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + return this.selectionObj.nodes[nodeId]; + } + } + return null; }; - /** - * 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. + * return the selected edge * + * @returns {number} * @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._getSelectedEdge = function() { + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + return this.selectionObj.edges[edgeId]; + } + } + return null; }; /** - * move the screen down + * return the number of selected edges + * + * @returns {number} * @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._getSelectedEdgeCount = function() { + var count = 0; + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + count += 1; + } + } + return count; }; /** - * move the screen left + * return the number of selected objects. + * + * @returns {number} * @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._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; }; - /** - * move the screen right + * Check if anything is selected + * + * @returns {boolean} * @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._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; + } + } + return true; }; /** - * Zoom in, using the same method as the movement. + * check if one of the selected nodes is a cluster. + * + * @returns {boolean} * @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._clusterInSelection = function() { + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + if (this.selectionObj.nodes[nodeId].clusterSize > 1) { + return true; + } + } + } + return false; }; - /** - * Zoom out + * select the edges connected to the node that is being selected + * + * @param {Node} node * @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._selectConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.select(); + this._addToSelection(edge); + } }; - /** - * Stop zooming and unhighlight the zoom controls + * select the edges connected to the node that is being selected + * + * @param {Node} node * @private */ - exports._stopZoom = function(event) { - this.zoomIncrement = 0; - event && event.preventDefault(); + exports._hoverConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.hover = true; + this._addToHover(edge); + } }; /** - * Stop moving in the Y direction and unHighlight the up and down + * unselect the edges connected to the node that is being selected + * + * @param {Node} node * @private */ - exports._yStopMoving = function(event) { - this.yIncrement = 0; - event && event.preventDefault(); + exports._unselectConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.unselect(); + this._removeFromSelection(edge); + } }; + + /** - * Stop moving in the X direction and unHighlight left and right. + * 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 + * @param {Boolean} append + * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._xStopMoving = function(event) { - this.xIncrement = 0; - event && event.preventDefault(); - }; - + exports._selectObject = function(object, append, doNotTrigger, highlightEdges, overrideSelectable) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } + if (highlightEdges === undefined) { + highlightEdges = true; + } -/***/ }, -/* 65 */ -/***/ function(module, exports, __webpack_require__) { + if (this._selectionIsEmpty() == false && append == false && this.forceAppendSelection == false) { + this._unselectAll(true); + } - 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; - } + // 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); + } + + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } }; + /** - * This is the main function to layout the nodes in a hierarchical way. - * It checks if the node details are supplied correctly + * 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._setupHierarchicalLayout = function() { - if (this.constants.hierarchicalLayout.enabled == true && this.nodeIndices.length > 0) { - if (this.constants.hierarchicalLayout.direction == "RL" || this.constants.hierarchicalLayout.direction == "DU") { - this.constants.hierarchicalLayout.levelSeparation = this.constants.hierarchicalLayout.levelSeparation < 0 ? this.constants.hierarchicalLayout.levelSeparation : this.constants.hierarchicalLayout.levelSeparation * -1; - } - else { - this.constants.hierarchicalLayout.levelSeparation = Math.abs(this.constants.hierarchicalLayout.levelSeparation); - } - - if (this.constants.hierarchicalLayout.direction == "RL" || this.constants.hierarchicalLayout.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"; - } - } - // 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._blurObject = function(object) { + if (object.hover == true) { + object.hover = false; + this.emit("blurNode",{node:object.id}); + } + }; - // 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(); - } + /** + * 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}); } - else { - // setup the system to use hierarchical method. - this._changeConstants(); + } + if (object instanceof Node) { + this._hoverConnectedEdges(object); + } + }; - // 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(); - } - } - // check the distribution of the nodes per level. - var distribution = this._getDistribution(); + /** + * 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 {Object} pointer + * @private + */ + exports._handleTouch = function(pointer) { + }; - // place the nodes on the canvas. This also stablilizes the system. - this._placeNodesByHierarchy(distribution); - // start the simulation. - this.start(); + /** + * 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); + } + 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(); }; /** - * This function places the nodes on the canvas based on the hierarchial distribution. + * handles the selection part of the double tap and opens a cluster if needed * - * @param {Object} distribution | obtained by the function this._getDistribution() + * @param {Object} pointer * @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)) { - - 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; - - 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); - } - } - } + 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); } - - // stabilize the system after positioning. This function calls zoomExtent. - this._stabilize(); + 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); }; /** - * This function get the distribution of levels based on hubsize + * Handle the onHold selection part * - * @returns {Object} + * @param pointer * @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._handleOnHold = function(pointer) { + var node = this._getNodeAt(pointer); + if (node != null) { + this._selectObject(node,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; - } + else { + var edge = this._getEdgeAt(pointer); + if (edge != null) { + this._selectObject(edge,true); } } + this._redraw(); + }; - // 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; + /** + * 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) {}; /** - * this function allocates nodes in levels based on the recursive branching from the largest hubs. * - * @param hubsize - * @private + * retrieve the currently selected objects + * @return {{nodes: Array., edges: Array.}} selection */ - exports._determineLevels = function(hubsize) { - var nodeId, node; + exports.getSelection = function() { + var nodeIds = this.getSelectedNodes(); + var edgeIds = this.getSelectedEdges(); + return {nodes:nodeIds, edges:edgeIds}; + }; - // determine hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.edges.length == hubsize) { - node.level = 0; + /** + * + * 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 + }; - // 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); + /** + * + * retrieve the currently selected edges + * @return {Array} selection An array with the ids of the + * selected nodes. + */ + 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 allocates nodes in levels based on the recursive branching from the largest hubs. - * - * @param hubsize - * @private + * select zero or more nodes DEPRICATED + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. */ - exports._determineLevelsDirected = function() { - var nodeId, node; + exports.setSelection = function() { + console.log("setSelection is deprecated. Please use selectNodes instead.") + }; - // set first node to source - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.nodes[nodeId].level = 10000; - break; - } - } - // branch from hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.level == 10000) { - this._setLevelDirected(10000,node.edges,node.id); - } - } - } + /** + * 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'; - // branch from hubs - var minLevel = 10000; - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - minLevel = node.level < minLevel ? node.level : minLevel; - } - } + // first unselect any selected node + this._unselectAll(true); - // branch from hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - node.level -= minLevel; + 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(); }; /** - * 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. - * - * @private + * select zero or more edges + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. */ - 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(); - }; + exports.selectEdges = function(selection) { + var i, iMax, id; + if (!selection || (selection.length == undefined)) + throw 'Selection must be an array with ids'; - /** - * 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 edges - * @param parentId - * @param distribution - * @param parentLevel - * @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; - } + // first unselect any selected node + this._unselectAll(true); - // 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; - } - } + for (i = 0, iMax = selection.length; i < iMax; i++) { + id = selection[i]; - 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); - } + 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(); }; - /** - * 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 + * Validate the selection: remove ids of nodes which no longer exist * @private */ - 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; + 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]; + } } - if (childNode.level == -1 || childNode.level > level) { - childNode.level = level; - if (childNode.edges.length > 1) { - this._setLevel(level+1, childNode.edges, childNode.id); + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + if (!this.edges.hasOwnProperty(edgeId)) { + delete this.selectionObj.edges[edgeId]; } } } }; +/***/ }, +/* 67 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Node = __webpack_require__(56); + var Edge = __webpack_require__(57); + /** - * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. + * clears the toolbar div element of children * - * @param level - * @param edges - * @param parentId * @private */ - exports._setLevelDirected = function(level, edges, parentId) { - this.nodes[parentId].hierarchyEnumerated = true; - for (var i = 0; i < edges.length; i++) { - var childNode = null; - var 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._clearManipulatorBar = function() { + while (this.manipulationDiv.hasChildNodes()) { + this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); } + this.manipulationDOM = {}; - 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.edges.length > 1 && childNode.hierarchyEnumerated === false) { - this._setLevelDirected(childNode.level, childNode.edges, childNode.id); - } - } + this._manipulationReleaseOverload = function () {}; + delete this.sectors['support']['nodes']['targetNode']; + delete this.sectors['support']['nodes']['targetViaNode']; + this.controlNodesActive = false; }; - /** - * Unfix nodes + * 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._restoreNodes = function() { - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.nodes[nodeId].xFixed = false; - this.nodes[nodeId].yFixed = false; + exports._restoreOverloadedFunctions = function() { + for (var functionName in this.cachedFunctions) { + if (this.cachedFunctions.hasOwnProperty(functionName)) { + this[functionName] = this.cachedFunctions[functionName]; } } }; - -/***/ }, -/* 66 */ -/***/ 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); - /** - * Toggling barnes Hut calculation on and off. + * Enable or disable edit-mode. * * @private */ - exports._toggleBarnesHut = function () { - this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled; - this._loadSelectedForceSolver(); - this.moving = true; - this.start(); + 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 { + toolbar.style.display="none"; + closeDiv.style.display="none"; + editModeDiv.style.display="block"; + closeDiv.onclick = null; + } + this._createManipulatorBar() }; - /** - * This loads the node force solver based on the barnes hut or repulsion algorithm + * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. * * @private */ - exports._loadSelectedForceSolver = function () { - // this overloads the this._calculateNodeForces - if (this.constants.physics.barnesHut.enabled == true) { - this._clearMixin(RepulsionMixin); - this._clearMixin(HierarchialRepulsionMixin); + exports._createManipulatorBar = function() { + // remove bound functions + if (this.boundFunction) { + this.off('select', this.boundFunction); + } - 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; + var locale = this.constants.locales[this.constants.locale]; - this._loadMixin(BarnesHutMixin); + if (this.edgeBeingEdited !== undefined) { + this.edgeBeingEdited._disableControlNodes(); + this.edgeBeingEdited = undefined; + this.selectedControlNode = null; + this.controlNodesActive = false; + this._redraw(); } - 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; + // restore overloaded functions + this._restoreOverloadedFunctions(); - this._loadMixin(HierarchialRepulsionMixin); - } - else { - this._clearMixin(BarnesHutMixin); - this._clearMixin(HierarchialRepulsionMixin); - this.barnesHutTree = undefined; + // resume calculation + this.freezeSimulation = false; - 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; + // reset global variables + this.blockConnectingEdgeSelection = false; + this.forceAppendSelection = false; + this.manipulationDOM = {}; - this._loadMixin(RepulsionMixin); - } - }; + if (this.editMode == true) { + while (this.manipulationDiv.hasChildNodes()) { + this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); + } - /** - * 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._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); + 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']); + + 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']); } + else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { + this.manipulationDOM['seperatorLineDiv3'] = document.createElement('div'); + this.manipulationDOM['seperatorLineDiv3'].className = 'network-seperatorLine'; - // we now start the force calculation - this._calculateForces(); - } - }; + 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'; + 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']); - /** - * 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 + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv4']); + this.manipulationDiv.appendChild(this.manipulationDOM['deleteSpan']); + } - this._calculateGravitationalForces(); - this._calculateNodeForces(); - if (this.constants.physics.springConstant > 0) { - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - this._calculateSpringForcesWithSupport(); + // 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.constants.physics.hierarchicalRepulsion.enabled == true) { - this._calculateHierarchicalSpringForces(); - } - else { - this._calculateSpringForces(); - } + 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); + + this.boundFunction = this._createManipulatorBar.bind(this); + this.on('select', this.boundFunction); + } + 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); } }; + /** - * 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. + * Create the toolbar for adding Nodes * * @private */ - exports._updateCalculationNodes = function () { - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - this.calculationNodes = {}; - this.calculationNodeIndices = []; + exports._createAddNodeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + if (this.boundFunction) { + this.off('select', this.boundFunction); + } - 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); - } - } - } + var locale = this.constants.locales[this.constants.locale]; - for (var idx in this.calculationNodes) { - if (this.calculationNodes.hasOwnProperty(idx)) { - this.calculationNodeIndices.push(idx); - } - } - } - else { - this.calculationNodes = this.nodes; - this.calculationNodeIndices = this.nodeIndices; - } + 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. + this.boundFunction = this._addNode.bind(this); + this.on('select', this.boundFunction); }; /** - * this function applies the central gravity effect to keep groups from floating off + * create the toolbar to connect 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._createAddEdgeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + this._unselectAll(true); + this.freezeSimulation = true; - 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; - } + if (this.boundFunction) { + this.off('select', this.boundFunction); } - }; + this._unselectAll(); + this.forceAppendSelection = false; + this.blockConnectingEdgeSelection = true; + + 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['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. + this.boundFunction = this._handleConnect.bind(this); + 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 effects of the springs in the case of unsmooth curves. + * create the toolbar to edit edges * * @private */ - exports._calculateSpringForces = function () { - var edgeLength, edge, edgeId; - var dx, dy, fx, fy, springForce, distance; - 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)) { - 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); + this.edgeBeingEdited = this._getSelectedEdge(); + this.edgeBeingEdited._enableControlNodes(); - if (distance == 0) { - distance = 0.01; - } + var locale = this.constants.locales[this.constants.locale]; - // 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['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 function calculates the springforces on the nodes, accounting for the support nodes. + * 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._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); - } - } - } - } + 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(); }; /** - * 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._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); } - - // 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; + this._redraw(); }; + exports._releaseControlNode = function(pointer) { + var newNode = this._getNodeAt(pointer); + if (newNode !== null) { + if (this.edgeBeingEdited.controlNodes.from.selected == true) { + this._editEdge(newNode.id, this.edgeBeingEdited.to.id); + this.edgeBeingEdited.controlNodes.from.unselect(); + } + if (this.edgeBeingEdited.controlNodes.to.selected == true) { + this._editEdge(this.edgeBeingEdited.from.id, newNode.id); + this.edgeBeingEdited.controlNodes.to.unselect(); + } + } + 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.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.moving = true; - this.start(); - } + this._navigationReleaseOverload = this._stopMovement; -/***/ }, -/* 67 */ -/***/ function(module, exports, __webpack_require__) { + this.navigationHammers.existing = this.navigationHammers._new; + }; - 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); - 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)) - } + /** + * Stop zooming and unhighlight the zoom controls + * @private + */ + exports._stopZoom = function(event) { + this.zoomIncrement = 0; + event && event.preventDefault(); + }; - // amplify the repulsion for clusters. - repulsingForce *= (combinedClusterSize == 0) ? 1 : 1 + combinedClusterSize * this.constants.clustering.forceAmplification; - repulsingForce = repulsingForce / distance; - fx = dx * repulsingForce; - fy = dy * repulsingForce; + /** + * Stop moving in the Y direction and unHighlight the up and down + * @private + */ + exports._yStopMoving = function(event) { + this.yIncrement = 0; + event && event.preventDefault(); + }; - 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(); }; @@ -33410,579 +33302,688 @@ 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]]; + exports._setupHierarchicalLayout = function() { + if (this.constants.hierarchicalLayout.enabled == true && this.nodeIndices.length > 0) { + if (this.constants.hierarchicalLayout.direction == "RL" || this.constants.hierarchicalLayout.direction == "DU") { + this.constants.hierarchicalLayout.levelSeparation = this.constants.hierarchicalLayout.levelSeparation < 0 ? this.constants.hierarchicalLayout.levelSeparation : this.constants.hierarchicalLayout.levelSeparation * -1; + } + else { + this.constants.hierarchicalLayout.levelSeparation = Math.abs(this.constants.hierarchicalLayout.levelSeparation); + } - // nodes only affect nodes on their level - if (node1.level == node2.level) { + if (this.constants.hierarchicalLayout.direction == "RL" || this.constants.hierarchicalLayout.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"; + } + } + // 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(); } - // 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 < theta = passed === d/s > 1/theta = passed - // calcSize = 1/s --> d * 1/s > 1/theta = passed - if (distance * parentBranch.calcSize > this.constants.physics.barnesHut.theta) { - // 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 recursive branching from the largest hubs. * - * @param nodes - * @param nodeIndices + * @param hubsize * @private */ - exports._formBarnesHutTree = function(nodes,nodeIndices) { - var node; - var nodeCount = nodeIndices.length; - - var minX = Number.MAX_VALUE, - minY = Number.MAX_VALUE, - maxX =-Number.MAX_VALUE, - maxY =-Number.MAX_VALUE; + exports._determineLevelsDirected = function() { + var nodeId, node; - // 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; } + // set first node to source + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.nodes[nodeId].level = 10000; + break; } } - // 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 + // branch from hubs + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.level == 10000) { + this._setLevelDirected(10000,node.edges,node.id); + } + } + } - 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 + // branch from hubs + var minLevel = 10000; + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + minLevel = node.level < minLevel ? node.level : minLevel; } - }; - 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); + // branch from hubs + 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; - - parentBranch.mass = totalMass; - var biggestSize = Math.max(Math.max(node.height,node.radius),node.width); - parentBranch.maxWidth = (parentBranch.maxWidth < biggestSize) ? biggestSize : parentBranch.maxWidth; - + 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(); }; /** - * 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 barnches of the largest hubs and give each node a level. * - * @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; + for (var i = 0; i < edges.length; i++) { + var childNode = null; + var 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++) { + var childNode = null; + 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/examples/graph2d/01_basic.html b/examples/graph2d/01_basic.html index f878d25c..7e8ee46f 100644 --- a/examples/graph2d/01_basic.html +++ b/examples/graph2d/01_basic.html @@ -47,7 +47,7 @@ end: '2014-06-18' }; var graph2d = new vis.Graph2d(container, dataset, options); - + graph2d.fit(); \ No newline at end of file diff --git a/lib/timeline/component/LineGraph.js b/lib/timeline/component/LineGraph.js index d10bb17d..b2fa0807 100644 --- a/lib/timeline/component/LineGraph.js +++ b/lib/timeline/component/LineGraph.js @@ -549,7 +549,7 @@ LineGraph.prototype.redraw = function(forceGraphUpdate) { 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.width != this.lastWidth); // we get this from the range changed event + var zoomed = (visibleInterval != this.lastVisibleInterval) || (this.width != this.lastWidth); // we get this from the range changed event this.lastVisibleInterval = visibleInterval; this.lastWidth = this.width; @@ -563,7 +563,8 @@ LineGraph.prototype.redraw = function(forceGraphUpdate) { this.svg.style.left = util.option.asSize(-this.width); } - if (this.abortedGraphUpdate == true || forceGraphUpdate == true) { + // zoomed is here to ensure that animations are shown correctly. + if (zoomed == true || this.abortedGraphUpdate == true || forceGraphUpdate == true) { resized = resized || this._updateGraph(); } else {