diff --git a/HISTORY.md b/HISTORY.md index daacc4eb..56f4d796 100644 --- a/HISTORY.md +++ b/HISTORY.md @@ -14,7 +14,7 @@ http://visjs.org - Added a check so only one 'activator' overlay is created on clickToUse. - Made global color options for edges overrule the inheritColors. - Improved cleaning up of the physics configuration on destroy and in options. -- Made nodes who lost their color revert back to default. +- Made nodes who lost their group revert back to default color. ### Graph2d diff --git a/dist/vis.js b/dist/vis.js index bbd49821..3177b5e3 100644 --- a/dist/vis.js +++ b/dist/vis.js @@ -83,67 +83,67 @@ return /******/ (function(modules) { // webpackBootstrap // utils exports.util = __webpack_require__(1); - exports.DOMutil = __webpack_require__(6); + exports.DOMutil = __webpack_require__(2); // data - exports.DataSet = __webpack_require__(7); - exports.DataView = __webpack_require__(9); - exports.Queue = __webpack_require__(8); + exports.DataSet = __webpack_require__(3); + exports.DataView = __webpack_require__(4); + exports.Queue = __webpack_require__(5); // Graph3d - exports.Graph3d = __webpack_require__(10); + exports.Graph3d = __webpack_require__(6); exports.graph3d = { - Camera: __webpack_require__(14), - Filter: __webpack_require__(15), - Point2d: __webpack_require__(13), - Point3d: __webpack_require__(12), - Slider: __webpack_require__(16), - StepNumber: __webpack_require__(17) + Camera: __webpack_require__(7), + Filter: __webpack_require__(8), + Point2d: __webpack_require__(9), + Point3d: __webpack_require__(10), + Slider: __webpack_require__(11), + StepNumber: __webpack_require__(12) }; // Timeline - exports.Timeline = __webpack_require__(18); - exports.Graph2d = __webpack_require__(42); + exports.Timeline = __webpack_require__(13); + exports.Graph2d = __webpack_require__(14); exports.timeline = { - DateUtil: __webpack_require__(24), - DataStep: __webpack_require__(45), - Range: __webpack_require__(21), - stack: __webpack_require__(28), - TimeStep: __webpack_require__(38), + DateUtil: __webpack_require__(15), + DataStep: __webpack_require__(16), + Range: __webpack_require__(17), + stack: __webpack_require__(18), + TimeStep: __webpack_require__(19), components: { items: { - Item: __webpack_require__(30), - BackgroundItem: __webpack_require__(34), - BoxItem: __webpack_require__(32), - PointItem: __webpack_require__(33), - RangeItem: __webpack_require__(29) + Item: __webpack_require__(31), + BackgroundItem: __webpack_require__(32), + BoxItem: __webpack_require__(33), + PointItem: __webpack_require__(34), + RangeItem: __webpack_require__(35) }, - Component: __webpack_require__(23), - CurrentTime: __webpack_require__(39), - CustomTime: __webpack_require__(41), - DataAxis: __webpack_require__(44), - GraphGroup: __webpack_require__(46), - Group: __webpack_require__(27), - BackgroundGroup: __webpack_require__(31), - ItemSet: __webpack_require__(26), - Legend: __webpack_require__(50), - LineGraph: __webpack_require__(43), - TimeAxis: __webpack_require__(37) + 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) } }; // Network - exports.Network = __webpack_require__(51); + exports.Network = __webpack_require__(36); exports.network = { - 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) + 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) }; // Deprecated since v3.0.0 @@ -152,8 +152,8 @@ return /******/ (function(modules) { // webpackBootstrap }; // bundled external libraries - exports.moment = __webpack_require__(2); - exports.hammer = __webpack_require__(19); + exports.moment = __webpack_require__(44); + exports.hammer = __webpack_require__(45); /***/ }, @@ -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__(2); + var moment = __webpack_require__(44); /** * Test whether given object is a number @@ -1444,15143 +1444,13778 @@ return /******/ (function(modules) { // webpackBootstrap /* 2 */ /***/ 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__(3); + // 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; + }; + /** + * 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 __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 + var util = __webpack_require__(1); + var Queue = __webpack_require__(5); - (function (undefined) { - /************************************ - Constants - ************************************/ + /** + * DataSet + * + * Usage: + * var dataSet = new DataSet({ + * fieldId: '_id', + * type: { + * // ... + * } + * }); + * + * dataSet.add(item); + * dataSet.add(data); + * dataSet.update(item); + * dataSet.update(data); + * dataSet.remove(id); + * dataSet.remove(ids); + * var data = dataSet.get(); + * var data = dataSet.get(id); + * var data = dataSet.get(ids); + * var data = dataSet.get(ids, options, data); + * dataSet.clear(); + * + * A data set can: + * - add/remove/update data + * - gives triggers upon changes in the data + * - can import/export data in various data formats + * + * @param {Array | DataTable} [data] Optional array with initial data + * @param {Object} [options] Available options: + * {String} fieldId Field name of the id in the + * items, 'id' by default. + * {Object. ['10', '00'] or '-1530' > ['-15', '30'] - parseTimezoneChunker = /([\+\-]|\d\d)/gi, + var subscribers = []; + if (event in this._subscribers) { + subscribers = subscribers.concat(this._subscribers[event]); + } + if ('*' in this._subscribers) { + subscribers = subscribers.concat(this._subscribers['*']); + } - // 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 - }, + for (var i = 0; i < subscribers.length; i++) { + var subscriber = subscribers[i]; + if (subscriber.callback) { + subscriber.callback(event, params, senderId || null); + } + } + }; - 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' - }, + /** + * Add data. + * Adding an item will fail when there already is an item with the same id. + * @param {Object | Array | DataTable} data + * @param {String} [senderId] Optional sender id + * @return {Array} addedIds Array with the ids of the added items + */ + DataSet.prototype.add = function (data, senderId) { + var addedIds = [], + id, + me = this; - camelFunctions = { - dayofyear : 'dayOfYear', - isoweekday : 'isoWeekday', - isoweek : 'isoWeek', - weekyear : 'weekYear', - isoweekyear : 'isoWeekYear' - }, + if (Array.isArray(data)) { + // Array + for (var i = 0, len = data.length; i < len; i++) { + id = me._addItem(data[i]); + addedIds.push(id); + } + } + else if (util.isDataTable(data)) { + // Google DataTable + var columns = this._getColumnNames(data); + for (var row = 0, rows = data.getNumberOfRows(); row < rows; row++) { + var item = {}; + for (var col = 0, cols = columns.length; col < cols; col++) { + var field = columns[col]; + item[field] = data.getValue(row, col); + } - // format function strings - formatFunctions = {}, + id = me._addItem(item); + addedIds.push(id); + } + } + else if (data instanceof Object) { + // Single item + id = me._addItem(data); + addedIds.push(id); + } + else { + throw new Error('Unknown dataType'); + } - // 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 - }, - - // tokens to ordinalize and pad - ordinalizeTokens = 'DDD w W M D d'.split(' '), - paddedTokens = 'M D H h m s w W'.split(' '), - - 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(); - } - }, + if (addedIds.length) { + this._trigger('add', {items: addedIds}, senderId); + } - deprecations = {}, + return addedIds; + }; - lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin']; + /** + * Update existing items. When an item does not exist, it will be created + * @param {Object | Array | DataTable} data + * @param {String} [senderId] Optional sender id + * @return {Array} updatedIds The ids of the added or updated items + */ + DataSet.prototype.update = function (data, senderId) { + var addedIds = []; + var updatedIds = []; + var updatedData = []; + var me = this; + var fieldId = me._fieldId; - // 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'); - } + var addOrUpdate = function (item) { + var id = item[fieldId]; + if (me._data[id]) { + // update item + id = me._updateItem(item); + updatedIds.push(id); + updatedData.push(item); } - - function hasOwnProp(a, b) { - return hasOwnProperty.call(a, b); + else { + // add new item + id = me._addItem(item); + addedIds.push(id); } + }; - 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 (Array.isArray(data)) { + // Array + for (var i = 0, len = data.length; i < len; i++) { + addOrUpdate(data[i]); } + } + else if (util.isDataTable(data)) { + // Google DataTable + var columns = this._getColumnNames(data); + for (var row = 0, rows = data.getNumberOfRows(); row < rows; row++) { + var item = {}; + for (var col = 0, cols = columns.length; col < cols; col++) { + var field = columns[col]; + item[field] = data.getValue(row, col); + } - function printMsg(msg) { - if (moment.suppressDeprecationWarnings === false && - typeof console !== 'undefined' && console.warn) { - console.warn('Deprecation warning: ' + msg); - } + addOrUpdate(item); } + } + else if (data instanceof Object) { + // Single item + addOrUpdate(data); + } + else { + throw new Error('Unknown dataType'); + } - function deprecate(msg, fn) { - var firstTime = true; - return extend(function () { - if (firstTime) { - printMsg(msg); - firstTime = false; - } - return fn.apply(this, arguments); - }, fn); - } + if (addedIds.length) { + this._trigger('add', {items: addedIds}, senderId); + } + if (updatedIds.length) { + this._trigger('update', {items: updatedIds, data: updatedData}, senderId); + } - function deprecateSimple(name, msg) { - if (!deprecations[name]) { - printMsg(msg); - deprecations[name] = true; - } - } + return addedIds.concat(updatedIds); + }; - function padToken(func, count) { - return function (a) { - return leftZeroFill(func.call(this, a), count); - }; + /** + * Get a data item or multiple items. + * + * Usage: + * + * get() + * get(options: Object) + * get(options: Object, data: Array | DataTable) + * + * get(id: Number | String) + * get(id: Number | String, options: Object) + * get(id: Number | String, options: Object, data: Array | DataTable) + * + * get(ids: Number[] | String[]) + * get(ids: Number[] | String[], options: Object) + * get(ids: Number[] | String[], options: Object, data: Array | DataTable) + * + * Where: + * + * {Number | String} id The id of an item + * {Number[] | String{}} ids An array with ids of items + * {Object} options An Object with options. Available options: + * {String} [returnType] Type of data to be + * returned. Can be 'DataTable' or 'Array' (default) + * {Object.} [type] + * {String[]} [fields] field names to be returned + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * {Array | DataTable} [data] If provided, items will be appended to this + * array or table. Required in case of Google + * DataTable. + * + * @throws Error + */ + DataSet.prototype.get = function (args) { + var me = this; + + // parse the arguments + var id, ids, options, data; + var firstType = util.getType(arguments[0]); + if (firstType == 'String' || firstType == 'Number') { + // get(id [, options] [, data]) + id = arguments[0]; + options = arguments[1]; + data = arguments[2]; + } + else if (firstType == 'Array') { + // get(ids [, options] [, data]) + ids = arguments[0]; + options = arguments[1]; + data = arguments[2]; + } + else { + // get([, options] [, data]) + options = arguments[0]; + data = arguments[1]; + } + + // determine the return type + var returnType; + if (options && options.returnType) { + var allowedValues = ["DataTable", "Array", "Object"]; + returnType = allowedValues.indexOf(options.returnType) == -1 ? "Array" : options.returnType; + + if (data && (returnType != util.getType(data))) { + throw new Error('Type of parameter "data" (' + util.getType(data) + ') ' + + 'does not correspond with specified options.type (' + options.type + ')'); } - function ordinalizeToken(func, period) { - return function (a) { - return this.localeData().ordinal(func.call(this, a), period); - }; + 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'; + } - while (ordinalizeTokens.length) { - i = ordinalizeTokens.pop(); - formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i); + // 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; } - while (paddedTokens.length) { - i = paddedTokens.pop(); - formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2); + } + 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); + } } - formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3); - + } + 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); + } + } + } + } - /************************************ - Constructors - ************************************/ + // order the results + if (options && options.order && id == undefined) { + this._sort(items, options.order); + } - function Locale() { + // 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); + } } + } - // Moment prototype object - function Moment(config, skipOverflow) { - if (skipOverflow !== false) { - checkOverflow(config); + // 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]); } - copyConfig(this, config); - this._d = new Date(+config._d); + return data; + } + else { + // just return our array + return items; + } } + } + }; - // Duration Constructor - function Duration(duration) { - var normalizedInput = normalizeObjectUnits(duration), - years = normalizedInput.year || 0, - quarters = normalizedInput.quarter || 0, - months = normalizedInput.month || 0, - weeks = normalizedInput.week || 0, - days = normalizedInput.day || 0, - hours = normalizedInput.hour || 0, - minutes = normalizedInput.minute || 0, - seconds = normalizedInput.second || 0, - milliseconds = normalizedInput.millisecond || 0; - - // representation for dateAddRemove - this._milliseconds = +milliseconds + - seconds * 1e3 + // 1000 - minutes * 6e4 + // 1000 * 60 - hours * 36e5; // 1000 * 60 * 60 - // Because of dateAddRemove treats 24 hours as different from a - // day when working around DST, we need to store them separately - this._days = +days + - weeks * 7; - // It is impossible translate months into days without knowing - // which months you are are talking about, so we have to store - // it separately. - this._months = +months + - quarters * 3 + - years * 12; + /** + * Get ids of all items or from a filtered set of items. + * @param {Object} [options] An Object with options. Available options: + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * @return {Array} ids + */ + DataSet.prototype.getIds = function (options) { + var data = this._data, + filter = options && options.filter, + order = options && options.order, + type = options && options.type || this._options.type, + i, + len, + id, + item, + items, + ids = []; - this._data = {}; + 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._locale = moment.localeData(); + this._sort(items, order); - this._bubble(); + for (i = 0, len = items.length; i < len; i++) { + ids[i] = items[i][this._fieldId]; + } } - - /************************************ - Helpers - ************************************/ - - - function extend(a, b) { - for (var i in b) { - if (hasOwnProp(b, i)) { - a[i] = b[i]; - } - } - - if (hasOwnProp(b, 'toString')) { - a.toString = b.toString; - } - - if (hasOwnProp(b, 'valueOf')) { - a.valueOf = b.valueOf; + 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]); + } } - - return a; + } } - - function copyConfig(to, from) { - var i, prop, val; - - 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; + } + else { + // get all items + if (order) { + // create an ordered list + items = []; + for (id in data) { + if (data.hasOwnProperty(id)) { + items.push(data[id]); } + } - if (momentProperties.length > 0) { - for (i in momentProperties) { - prop = momentProperties[i]; - val = from[prop]; - if (typeof val !== 'undefined') { - to[prop] = val; - } - } - } + this._sort(items, order); - return to; + for (i = 0, len = items.length; i < len; i++) { + ids[i] = items[i][this._fieldId]; + } } - - function absRound(number) { - if (number < 0) { - return Math.ceil(number); - } else { - return Math.floor(number); + else { + // create unordered list + for (id in data) { + if (data.hasOwnProperty(id)) { + item = data[id]; + ids.push(item[this._fieldId]); } + } } + } - // 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; - } + return ids; + }; - function positiveMomentsDifference(base, other) { - var res = {milliseconds: 0, months: 0}; + /** + * 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; + }; - res.months = other.month() - base.month() + - (other.year() - base.year()) * 12; - if (base.clone().add(res.months, 'M').isAfter(other)) { - --res.months; - } + /** + * 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; - res.milliseconds = +other - +(base.clone().add(res.months, 'M')); + if (options && options.order) { + // execute forEach on ordered list + var items = this.get(options); - return res; + for (var i = 0, len = items.length; i < len; i++) { + item = items[i]; + id = item[this._fieldId]; + callback(item, id); } - - 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; + } + else { + // unordered + for (id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, type); + if (!filter || filter(item)) { + callback(item, id); } - - return res; + } } + } + }; - // TODO: remove 'name' arg after deprecation is removed - function createAdder(direction, name) { - return function (val, period) { - var dur, tmp; - //invert the arguments, but complain about it - if (period !== null && !isNaN(+period)) { - deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period).'); - tmp = val; val = period; period = tmp; - } + /** + * 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; - val = typeof val === 'string' ? +val : val; - dur = moment.duration(val, period); - addOrSubtractDurationFromMoment(this, dur, direction); - return this; - }; + // 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)); + } } + } - function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) { - var milliseconds = duration._milliseconds, - days = duration._days, - months = duration._months; - updateOffset = updateOffset == null ? true : updateOffset; + // order items + if (options && options.order) { + this._sort(mappedItems, options.order); + } - 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); - } - } + return mappedItems; + }; - // check if is an array - function isArray(input) { - return Object.prototype.toString.call(input) === '[object Array]'; - } + /** + * 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 = {}; - function isDate(input) { - return Object.prototype.toString.call(input) === '[object Date]' || - input instanceof Date; + for (var field in item) { + if (item.hasOwnProperty(field) && (fields.indexOf(field) != -1)) { + filteredItem[field] = item[field]; } + } - // 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; - } + return filteredItem; + }; - function normalizeUnits(units) { - if (units) { - var lowered = units.toLowerCase().replace(/(.)s$/, '$1'); - units = unitAliases[units] || camelFunctions[lowered] || lowered; - } - return units; + /** + * 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); } + } - function normalizeObjectUnits(inputObject) { - var normalizedInput = {}, - normalizedProp, - prop; + if (removedIds.length) { + this._trigger('remove', {items: removedIds}, senderId); + } - for (prop in inputObject) { - if (hasOwnProp(inputObject, prop)) { - normalizedProp = normalizeUnits(prop); - if (normalizedProp) { - normalizedInput[normalizedProp] = inputObject[prop]; - } - } - } + return removedIds; + }; - return normalizedInput; + /** + * 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; + }; - function makeList(field) { - var count, setter; + /** + * 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); - if (field.indexOf('week') === 0) { - count = 7; - setter = 'day'; - } - else if (field.indexOf('month') === 0) { - count = 12; - setter = 'month'; - } - else { - return; - } + this._data = {}; - moment[field] = function (format, index) { - var i, getter, - method = moment._locale[field], - results = []; + this._trigger('remove', {items: ids}, senderId); - if (typeof format === 'number') { - index = format; - format = undefined; - } + return ids; + }; - getter = function (i) { - var m = moment().utc().set(setter, i); - return method.call(moment._locale, m, format || ''); - }; + /** + * 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; - if (index != null) { - return getter(index); - } - else { - for (i = 0; i < count; i++) { - results.push(getter(i)); - } - return results; - } - }; + 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; + } } + } - function toInt(argumentForCoercion) { - var coercedNumber = +argumentForCoercion, - value = 0; + return max; + }; - if (coercedNumber !== 0 && isFinite(coercedNumber)) { - if (coercedNumber >= 0) { - value = Math.floor(coercedNumber); - } else { - value = Math.ceil(coercedNumber); - } - } + /** + * 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; - return value; + 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; + } } + } - function daysInMonth(year, month) { - return new Date(Date.UTC(year, month + 1, 0)).getUTCDate(); - } + return min; + }; - function weeksInYear(year, dow, doy) { - return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week; - } + /** + * 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; - function daysInYear(year) { - return isLeapYear(year) ? 366 : 365; + 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++; + } } + } - function isLeapYear(year) { - return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; + if (fieldType) { + for (i = 0; i < values.length; i++) { + values[i] = util.convert(values[i], fieldType); } + } - 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; + return values; + }; - if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { - overflow = DATE; - } + /** + * 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]; - m._pf.overflow = overflow; - } + 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; + } - function isValid(m) { - if (m._isValid == null) { - m._isValid = !isNaN(m._d.getTime()) && - m._pf.overflow < 0 && - !m._pf.empty && - !m._pf.invalidMonth && - !m._pf.nullInput && - !m._pf.invalidFormat && - !m._pf.userInvalidated; - - if (m._strict) { - m._isValid = m._isValid && - m._pf.charsLeftOver === 0 && - m._pf.unusedTokens.length === 0 && - m._pf.bigHour === undefined; - } - } - return m._isValid; + 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; - function normalizeLocale(key) { - return key ? key.toLowerCase().replace('_', '-') : key; - } + return id; + }; - // 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; + /** + * 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; - 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; - } + // get the item from the dataset + var raw = this._data[id]; + if (!raw) { + return null; + } - function loadLocale(name) { - var oldLocale = null; - if (!locales[name] && hasModule) { - try { - oldLocale = moment.locale(); - !(function webpackMissingModule() { var e = new Error("Cannot find module \"./locale\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()); - // because defineLocale currently also sets the global locale, we want to undo that for lazy loaded locales - moment.locale(oldLocale); - } catch (e) { } - } - return locales[name]; + // 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]); + } } - - // 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(); - } + } + else { + // no field types specified, no converting needed + for (field in raw) { + if (raw.hasOwnProperty(field)) { + value = raw[field]; + converted[field] = value; + } } + } + return converted; + }; - /************************************ - Locale - ************************************/ + /** + * 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); + } + } - extend(Locale.prototype, { + return id; + }; - 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); - }, + /** + * 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; + }; - _months : 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'), - months : function (m) { - return this._months[m.month()]; - }, + /** + * 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(); - _monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'), - monthsShort : function (m) { - return this._monthsShort[m.month()]; - }, + for (var col = 0, cols = columns.length; col < cols; col++) { + var field = columns[col]; + dataTable.setValue(row, col, item[field]); + } + }; - monthsParse : function (monthName, format, strict) { - var i, mom, regex; + module.exports = DataSet; - if (!this._monthsParse) { - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - } - 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; - } - } - }, +/***/ }, +/* 4 */ +/***/ function(module, exports, __webpack_require__) { - _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'), - weekdays : function (m) { - return this._weekdays[m.day()]; - }, + var util = __webpack_require__(1); + var DataSet = __webpack_require__(3); - _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'), - weekdaysShort : function (m) { - return this._weekdaysShort[m.day()]; - }, + /** + * 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 - _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'), - weekdaysMin : function (m) { - return this._weekdaysMin[m.day()]; - }, + var me = this; + this.listener = function () { + me._onEvent.apply(me, arguments); + }; - weekdaysParse : function (weekdayName) { - var i, mom, regex; + this.setData(data); + } - if (!this._weekdaysParse) { - this._weekdaysParse = []; - } + // TODO: implement a function .config() to dynamically update things like configured filter + // and trigger changes accordingly - 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; - } - } - }, + /** + * Set a data source for the view + * @param {DataSet | DataView} data + */ + DataView.prototype.setData = function (data) { + var ids, i, len; - _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._data) { + // unsubscribe from current dataset + if (this._data.unsubscribe) { + this._data.unsubscribe('*', this.listener); + } - 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'); - }, + // 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}); + } - _meridiemParse : /[ap]\.?m?\.?/i, - meridiem : function (hours, minutes, isLower) { - if (hours > 11) { - return isLower ? 'pm' : 'PM'; - } else { - return isLower ? 'am' : 'AM'; - } - }, + this._data = data; - _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; - }, + if (this._data) { + // update fieldId + this._fieldId = this._options.fieldId || + (this._data && this._data.options && this._data.options.fieldId) || + 'id'; - _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' - }, + // 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}); - 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); - }, + // subscribe to new dataset + if (this._data.on) { + this._data.on('*', this.listener); + } + } + }; - pastFuture : function (diff, output) { - var format = this._relativeTime[diff > 0 ? 'future' : 'past']; - return typeof format === 'function' ? format(output) : format.replace(/%s/i, output); - }, + /** + * 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; - ordinal : function (number) { - return this._ordinal.replace('%d', number); - }, - _ordinal : '%d', - _ordinalParse : /\d{1,2}/, + // 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]; + } - preparse : function (string) { - return string; - }, + // extend the options with the default options and provided options + var viewOptions = util.extend({}, this._options, options); - postformat : function (string) { - return string; - }, + // 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); + } + } - week : function (mom) { - return weekOfYear(mom, this._week.dow, this._week.doy).week; - }, + // build up the call to the linked data set + var getArguments = []; + if (ids != undefined) { + getArguments.push(ids); + } + getArguments.push(viewOptions); + getArguments.push(data); - _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. - }, + return this._data && this._data.get.apply(this._data, getArguments); + }; - _invalidDate: 'Invalid date', - invalidDate: function () { - return this._invalidDate; - } - }); - - /************************************ - Formatting - ************************************/ + /** + * 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; - function removeFormattingTokens(input) { - if (input.match(/\[[\s\S]/)) { - return input.replace(/^\[|\]$/g, ''); + if (options && options.filter) { + if (defaultFilter) { + filter = function (item) { + return defaultFilter(item) && options.filter(item); } - return input.replace(/\\/g, ''); + } + else { + filter = options.filter; + } } - - function makeFormatFunction(format) { - var array = format.match(formattingTokens), i, length; - - for (i = 0, length = array.length; i < length; i++) { - if (formatTokenFunctions[array[i]]) { - array[i] = formatTokenFunctions[array[i]]; - } else { - array[i] = removeFormattingTokens(array[i]); - } - } - - 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; - }; + else { + filter = defaultFilter; } - // format date using native date object - function formatMoment(m, format) { - if (!m.isValid()) { - return m.localeData().invalidDate(); - } - - format = expandFormat(format, m.localeData()); - - if (!formatFunctions[format]) { - formatFunctions[format] = makeFormatFunction(format); - } + ids = this._data.getIds({ + filter: filter, + order: options && options.order + }); + } + else { + ids = []; + } - return formatFunctions[format](m); - } + return ids; + }; - function expandFormat(format, locale) { - var i = 5; + /** + * 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; + }; - function replaceLongDateFormatTokens(input) { - return locale.longDateFormat(input) || input; - } + /** + * 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 = []; - localFormattingTokens.lastIndex = 0; - while (i >= 0 && localFormattingTokens.test(format)) { - format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); - localFormattingTokens.lastIndex = 0; - i -= 1; + 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); + } } - return format; - } - - - /************************************ - Parsing - ************************************/ + 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); - // 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; + if (item) { + if (this._ids[id]) { + updated.push(id); } - /* falls through */ - case 'SS': - if (strict) { - return parseTokenTwoDigits; + else { + this._ids[id] = true; + added.push(id); } - /* falls through */ - case 'SSS': - if (strict) { - return parseTokenThreeDigits; + } + else { + if (this._ids[id]) { + delete this._ids[id]; + removed.push(id); } - /* 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; + else { + // nothing interesting for me :-( + } + } } - } - - 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]); - return parts[0] === '+' ? -minutes : minutes; - } + break; - // function to convert string input to date - function addTimeToArrayFromToken(token, input, config) { - var a, datePartArray = config._a; + 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); + } + } - 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); - } + break; + } - 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); - } + 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); + } + } + }; - function dayOfYearFromWeekInfo(config) { - var w, weekYear, week, weekday, dow, doy, temp; + // copy subscription functionality from DataSet + DataView.prototype.on = DataSet.prototype.on; + DataView.prototype.off = DataSet.prototype.off; + DataView.prototype._trigger = DataSet.prototype._trigger; - w = config._w; - if (w.GG != null || w.W != null || w.E != null) { - dow = 1; - doy = 4; + // 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; - // 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; + module.exports = DataView; - weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year); - week = dfl(w.w, 1); +/***/ }, +/* 5 */ +/***/ function(module, exports, __webpack_require__) { - 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); + /** + * 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; - config._a[YEAR] = temp.year; - config._dayOfYear = temp.dayOfYear; - } + // properties + this._queue = []; + this._timeout = null; + this._extended = null; - // 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; + this.setOptions(options); + } - if (config._d) { - return; - } + /** + * 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; + } - currentDate = currentDateArray(config); + this._flushIfNeeded(); + }; - //compute day of the year from weeks and weekdays - if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { - dayOfYearFromWeekInfo(config); - } + /** + * 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 the day of the year is set, figure out what it is - if (config._dayOfYear) { - yearToUse = dfl(config._a[YEAR], currentDate[YEAR]); + if (object.flush !== undefined) { + throw new Error('Target object already has a property flush'); + } + object.flush = function () { + queue.flush(); + }; - if (config._dayOfYear > daysInYear(yearToUse)) { - config._pf._overflowDayOfYear = true; - } + var methods = [{ + name: 'flush', + original: undefined + }]; - date = makeUTCDate(yearToUse, 0, config._dayOfYear); - config._a[MONTH] = date.getUTCMonth(); - config._a[DATE] = date.getUTCDate(); - } + 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); + } + } - // 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]; - } + queue._extended = { + object: object, + methods: methods + }; - // 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]; - } + return queue; + }; - // 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; - } + /** + * 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(); - 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._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; + } + }; - if (config._nextDay) { - config._a[HOUR] = 24; - } + /** + * 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]; } - function dateFromObject(config) { - var normalizedInput; + // add this call to the queue + me.queue({ + args: args, + fn: original, + context: this + }); + }; + }; - if (config._d) { - return; - } + /** + * 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); + } - normalizedInput = normalizeObjectUnits(config._i); - config._a = [ - normalizedInput.year, - normalizedInput.month, - normalizedInput.day || normalizedInput.date, - normalizedInput.hour, - normalizedInput.minute, - normalizedInput.second, - normalizedInput.millisecond - ]; + this._flushIfNeeded(); + }; - dateFromConfig(config); - } + /** + * 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(); + } - 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()]; - } - } + // 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); + } + }; - // date from string and format string - function makeDateFromStringAndFormat(config) { - if (config._f === moment.ISO_8601) { - parseISO(config); - return; - } + /** + * 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 || []); + } + }; - config._a = []; - config._pf.empty = true; + module.exports = Queue; - // 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; - tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; +/***/ }, +/* 6 */ +/***/ function(module, exports, __webpack_require__) { - 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); - } - } + 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); - // add remaining unparsed input length to the string - config._pf.charsLeftOver = stringLength - totalParsedInputLength; - if (string.length > 0) { - config._pf.unusedInput.push(string); - } + /** + * @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'); + } - // 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); - } + // 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%'; - function unescapeFormat(s) { - return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { - return p1 || p2 || p3 || p4; - }); - } + this.xLabel = 'x'; + this.yLabel = 'y'; + this.zLabel = 'z'; - // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript - function regexpEscape(s) { - return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); - } + var passValueFn = function(v) { return v; }; + this.xValueLabel = passValueFn; + this.yValueLabel = passValueFn; + this.zValueLabel = passValueFn; + + this.filterLabel = 'time'; + this.legendLabel = 'value'; - // date from string and array of format strings - function makeDateFromStringAndArray(config) { - var tempConfig, - bestMoment, + 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' - scoreToBeat, - i, - currentScore; + this.animationInterval = 1000; // milliseconds + this.animationPreload = false; - if (config._f.length === 0) { - config._pf.invalidFormat = true; - config._d = new Date(NaN); - 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? - 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); + this.dataTable = null; // The original data table + this.dataPoints = null; // The table with point objects - if (!isValid(tempConfig)) { - continue; - } + // the column indexes + this.colX = undefined; + this.colY = undefined; + this.colZ = undefined; + this.colValue = undefined; + this.colFilter = undefined; - // if there is any input that was not parsed add a penalty for that format - currentScore += tempConfig._pf.charsLeftOver; + 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 - //or tokens - currentScore += tempConfig._pf.unusedTokens.length * 10; + // constants + this.colorAxis = '#4D4D4D'; + this.colorGrid = '#D3D3D3'; + this.colorDot = '#7DC1FF'; + this.colorDotBorder = '#3267D2'; - tempConfig._pf.score = currentScore; + // create a frame and canvas + this.create(); - if (scoreToBeat == null || currentScore < scoreToBeat) { - scoreToBeat = currentScore; - bestMoment = tempConfig; - } - } + // apply options (also when undefined) + this.setOptions(options); - extend(config, bestMoment || tempConfig); - } + // apply data + if (data) { + this.setData(data); + } + } - // date from iso format - function parseISO(config) { - var i, l, - string = config._i, - match = isoRegex.exec(string); + // Extend Graph3d with an Emitter mixin + Emitter(Graph3d.prototype); - 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; - } - } + /** + * 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)); - // date from iso format or fallback - function makeDateFromString(config) { - parseISO(config); - if (config._isValid === false) { - delete config._isValid; - moment.createFromInputFallback(config); - } + // 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; } - - function map(arr, fn) { - var res = [], i; - for (i = 0; i < arr.length; ++i) { - res.push(fn(arr[i], i)); - } - return res; + else { + //noinspection JSSuspiciousNameCombination + this.scale.x = this.scale.y; } + } - 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); - } - } + // scale the vertical axis + this.scale.z *= this.verticalRatio; + // TODO: can this be automated? verticalRatio? - 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); + // determine scale for (optional) value + this.scale.value = 1 / (this.valueMax - this.valueMin); - //the date constructor doesn't accept years < 1970 - if (y < 1970) { - date.setFullYear(y); - } - return date; - } + // 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); + }; - function makeUTCDate(y) { - var date = new Date(Date.UTC.apply(null, arguments)); - if (y < 1970) { - date.setUTCFullYear(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; - } + /** + * 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); + }; - /************************************ - Relative Time - ************************************/ + /** + * 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, - // 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); - } + // calculate angles + sinTx = Math.sin(this.camera.getCameraRotation().x), + cosTx = Math.cos(this.camera.getCameraRotation().x), + sinTy = Math.sin(this.camera.getCameraRotation().y), + cosTy = Math.cos(this.camera.getCameraRotation().y), + sinTz = Math.sin(this.camera.getCameraRotation().z), + cosTz = Math.cos(this.camera.getCameraRotation().z), - function relativeTime(posNegDuration, withoutSuffix, locale) { - var duration = moment.duration(posNegDuration).abs(), - seconds = round(duration.as('s')), - minutes = round(duration.as('m')), - hours = round(duration.as('h')), - days = round(duration.as('d')), - months = round(duration.as('M')), - years = round(duration.as('y')), + // calculate 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)); - 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]; + return new Point3d(dx, dy, dz); + }; - args[2] = withoutSuffix; - args[3] = +posNegDuration > 0; - args[4] = locale; - return substituteTimeAgo.apply({}, args); - } + /** + * 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()); + } - /************************************ - Week of Year - ************************************/ + // 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; - // 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; + 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'; + }; - if (daysToDayOfWeek > end) { - daysToDayOfWeek -= 7; - } - if (daysToDayOfWeek < end - 7) { - daysToDayOfWeek += 7; - } + /// 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 + }; - adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd'); - return { - week: Math.ceil(adjustedMoment.dayOfYear() / 7), - year: adjustedMoment.year() - }; - } + /** + * 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; + } - //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; + return -1; + }; - 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; + /** + * 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; - return { - year: dayOfYear > 0 ? year : year - 1, - dayOfYear: dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear - }; + 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; - /************************************ - Top Level Functions - ************************************/ - - function makeMoment(config) { - var input = config._i, - format = config._f, - res; - - config._locale = config._locale || moment.localeData(config._l); + if (data.getNumberOfColumns() > 4) { + this.colFilter = 4; + } + } + else { + throw 'Unknown style "' + this.style + '"'; + } + }; - if (input === null || (format === undefined && input === '')) { - return moment.invalid({nullInput: true}); - } + Graph3d.prototype.getNumberOfRows = function(data) { + return data.length; + } - if (typeof input === 'string') { - config._i = input = config._locale.preparse(input); - } - if (moment.isMoment(input)) { - return new Moment(input, true); - } else if (format) { - if (isArray(format)) { - makeDateFromStringAndArray(config); - } else { - makeDateFromStringAndFormat(config); - } - } else { - makeDateFromInput(config); - } + Graph3d.prototype.getNumberOfColumns = function(data) { + var counter = 0; + for (var column in data[0]) { + if (data[0].hasOwnProperty(column)) { + counter++; + } + } + return counter; + } - res = new Moment(config); - if (res._nextDay) { - // Adding is smart enough around DST - res.add(1, 'd'); - res._nextDay = undefined; - } - return res; + 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; + } - moment = function (input, format, locale, strict) { - var c; - - if (typeof(locale) === 'boolean') { - strict = locale; - locale = undefined; - } - // object construction must be done this way. - // https://github.com/moment/moment/issues/1423 - c = {}; - c._isAMomentObject = true; - c._i = input; - c._f = format; - c._l = locale; - c._strict = strict; - c._isUTC = false; - c._pf = defaultParsingFlags(); - return makeMoment(c); - }; + 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; + }; - moment.suppressDeprecationWarnings = false; + /** + * 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; - 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' : '')); - } - ); + // unsubscribe from the dataTable + if (this.dataSet) { + this.dataSet.off('*', this._onChange); + } - // 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; - } + if (rawData === undefined) + return; - moment.min = function () { - var args = [].slice.call(arguments, 0); + if (Array.isArray(rawData)) { + rawData = new DataSet(rawData); + } - return pickBy('isBefore', args); - }; + var data; + if (rawData instanceof DataSet || rawData instanceof DataView) { + data = rawData.get(); + } + else { + throw new Error('Array, DataSet, or DataView expected'); + } - moment.max = function () { - var args = [].slice.call(arguments, 0); + if (data.length == 0) + return; - return pickBy('isAfter', args); - }; + this.dataSet = rawData; + this.dataTable = data; - // creating with utc - moment.utc = function (input, format, locale, strict) { - var c; + // subscribe to changes in the dataset + this._onChange = function () { + me.setData(me.dataSet); + }; + this.dataSet.on('*', this._onChange); - 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(); + // _determineColumnIndexes + // getNumberOfRows (points) + // getNumberOfColumns (x,y,z,v,t,t1,t2...) + // getDistinctValues (unique values?) + // getColumnRange - return makeMoment(c).utc(); - }; + // 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'; - // creating with unix timestamp (in seconds) - moment.unix = function (input) { - return moment(input * 1000); - }; - // 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)); + // 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();}); + } + } - duration = {}; - duration.ms = diffRes.milliseconds; - duration.M = diffRes.months; - } - ret = new Duration(duration); + var withBars = this.style == Graph3d.STYLE.BAR || + this.style == Graph3d.STYLE.BARCOLOR || + this.style == Graph3d.STYLE.BARSIZE; - if (moment.isDuration(input) && hasOwnProp(input, '_locale')) { - ret._locale = input._locale; - } + // 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; + } - return ret; - }; + if (this.defaultYBarWidth !== undefined) { + this.yBarWidth = this.defaultYBarWidth; + } + else { + var dataY = this.getDistinctValues(data,this.colY); + this.yBarWidth = (dataY[1] - dataY[0]) || 1; + } + } - // version number - moment.version = VERSION; + // 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; - // default format - moment.defaultFormat = isoFormat; + 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; - // constant that refers to the ISO standard - moment.ISO_8601 = function () {}; + 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; - // Plugins that add properties should also add the key here (null value), - // so we can properly clone ourselves. - moment.momentProperties = momentProperties; + 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; + } - // This function will be called whenever a moment is mutated. - // It is intended to keep the offset in sync with the timezone. - moment.updateOffset = function () {}; + // set the scale dependent on the ranges. + this._setScale(); + }; - // This function allows you to set a threshold for relative time strings - moment.relativeTimeThreshold = function (threshold, limit) { - if (relativeTimeThresholds[threshold] === undefined) { - return false; - } - if (limit === undefined) { - return relativeTimeThresholds[threshold]; - } - relativeTimeThresholds[threshold] = limit; - return true; - }; - moment.lang = deprecate( - 'moment.lang is deprecated. Use moment.locale instead.', - function (key, value) { - return moment.locale(key, value); - } - ); - // This function will load locale and then set the global locale. If - // no arguments are passed in, it will simply return the current global - // locale key. - moment.locale = function (key, values) { - var data; - if (key) { - if (typeof(values) !== 'undefined') { - data = moment.defineLocale(key, values); - } - else { - data = moment.localeData(key); - } + /** + * 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; - if (data) { - moment.duration._locale = moment._locale = data; - } - } + var dataPoints = []; - return moment._locale._abbr; - }; + 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 - moment.defineLocale = function (name, values) { - if (values !== null) { - values.abbr = name; - if (!locales[name]) { - locales[name] = new Locale(); - } - locales[name].set(values); + // 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; - // backwards compat for now: also set the locale - moment.locale(name); + if (dataX.indexOf(x) === -1) { + dataX.push(x); + } + if (dataY.indexOf(y) === -1) { + dataY.push(y); + } + } - return locales[name]; - } else { - // useful for testing - delete locales[name]; - return null; - } + var sortNumber = function (a, b) { + return a - b; }; + dataX.sort(sortNumber); + dataY.sort(sortNumber); - moment.langData = deprecate( - 'moment.langData is deprecated. Use moment.localeData instead.', - function (key) { - return moment.localeData(key); - } - ); - - // returns locale data - moment.localeData = function (key) { - var locale; + // 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; - if (key && key._locale && key._locale._abbr) { - key = key._locale._abbr; - } + var xIndex = dataX.indexOf(x); // TODO: implement Array().indexOf() for Internet Explorer + var yIndex = dataY.indexOf(y); - if (!key) { - return moment._locale; - } + if (dataMatrix[xIndex] === undefined) { + dataMatrix[xIndex] = []; + } - if (!isArray(key)) { - //short-circuit everything else - locale = loadLocale(key); - if (locale) { - return locale; - } - key = [key]; - } + var point3d = new Point3d(); + point3d.x = x; + point3d.y = y; + point3d.z = z; - return chooseLocale(key); - }; + obj = {}; + obj.point = point3d; + obj.trans = undefined; + obj.screen = undefined; + obj.bottom = new Point3d(x, y, this.zMin); - // compare moment object - moment.isMoment = function (obj) { - return obj instanceof Moment || - (obj != null && hasOwnProp(obj, '_isAMomentObject')); - }; + dataMatrix[xIndex][yIndex] = obj; - // for typechecking Duration objects - moment.isDuration = function (obj) { - return obj instanceof Duration; - }; + dataPoints.push(obj); + } - for (i = lists.length - 1; i >= 0; --i) { - makeList(lists[i]); + // 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; - moment.normalizeUnits = function (units) { - return normalizeUnits(units); - }; + if (this.colValue !== undefined) { + point.value = data[i][this.colValue] || 0; + } - moment.invalid = function (flags) { - var m = moment.utc(NaN); - if (flags != null) { - extend(m._pf, flags); - } - else { - m._pf.userInvalidated = true; - } + obj = {}; + obj.point = point; + obj.bottom = new Point3d(point.x, point.y, this.zMin); + obj.trans = undefined; + obj.screen = undefined; - return m; - }; + dataPoints.push(obj); + } + } - moment.parseZone = function () { - return moment.apply(null, arguments).parseZone(); - }; + return dataPoints; + }; - moment.parseTwoDigitYear = function (input) { - return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); - }; + /** + * 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); + } - /************************************ - Moment Prototype - ************************************/ + 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); + } - extend(moment.fn = Moment.prototype, { + 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); - clone : function () { - return moment(this); - }, + // 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' - valueOf : function () { - return +this._d + ((this._offset || 0) * 60000); - }, + 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); - unix : function () { - return Math.floor(+this / 1000); - }, + // add the new graph to the container element + this.containerElement.appendChild(this.frame); + }; - toString : function () { - return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); - }, - toDate : function () { - return this._offset ? new Date(+this) : this._d; - }, + /** + * 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; - 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]'); - } - }, + this._resizeCanvas(); + }; - toArray : function () { - var m = this; - return [ - m.year(), - m.month(), - m.date(), - m.hours(), - m.minutes(), - m.seconds(), - m.milliseconds() - ]; - }, + /** + * 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%'; - isValid : function () { - return isValid(this); - }, + this.frame.canvas.width = this.frame.canvas.clientWidth; + this.frame.canvas.height = this.frame.canvas.clientHeight; - isDSTShifted : function () { - if (this._a) { - return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0; - } + // adjust with for margin + this.frame.filter.style.width = (this.frame.canvas.clientWidth - 2 * 10) + 'px'; + }; - return false; - }, + /** + * Start animation + */ + Graph3d.prototype.animationStart = function() { + if (!this.frame.filter || !this.frame.filter.slider) + throw 'No animation available'; - parsingFlags : function () { - return extend({}, this._pf); - }, + this.frame.filter.slider.play(); + }; - invalidAt: function () { - return this._pf.overflow; - }, - utc : function (keepLocalTime) { - return this.zone(0, keepLocalTime); - }, + /** + * Stop animation + */ + Graph3d.prototype.animationStop = function() { + if (!this.frame.filter || !this.frame.filter.slider) return; - local : function (keepLocalTime) { - if (this._isUTC) { - this.zone(0, keepLocalTime); - this._isUTC = false; + this.frame.filter.slider.stop(); + }; - if (keepLocalTime) { - this.add(this._dateTzOffset(), 'm'); - } - } - return this; - }, - format : function (inputString) { - var output = formatMoment(this, inputString || moment.defaultFormat); - return this.localeData().postformat(output); - }, + /** + * 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 + } - add : createAdder(1, 'add'), + // 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 + } + }; - subtract : createAdder(-1, 'subtract'), + /** + * 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; + } - diff : function (input, units, asFloat) { - var that = makeAs(input, this), - zoneDiff = (this.zone() - that.zone()) * 6e4, - diff, output, daysAdjust; + if (pos.horizontal !== undefined && pos.vertical !== undefined) { + this.camera.setArmRotation(pos.horizontal, pos.vertical); + } - units = normalizeUnits(units); + if (pos.distance !== undefined) { + this.camera.setArmLength(pos.distance); + } - 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); - }, + this.redraw(); + }; - from : function (time, withoutSuffix) { - return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); - }, - fromNow : function (withoutSuffix) { - return this.from(moment(), withoutSuffix); - }, + /** + * 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; + }; - 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))); - }, - - isLeapYear : function () { - return isLeapYear(this.year()); - }, + /** + * Load data into the 3D Graph + */ + Graph3d.prototype._readData = function(data) { + // read the data + this._dataInitialize(data, this.style); - isDST : function () { - return (this.zone() < this.clone().month(0).zone() || - this.zone() < this.clone().month(5).zone()); - }, - 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; - } - }, + if (this.dataFilter) { + // apply filtering + this.dataPoints = this.dataFilter._getDataPoints(); + } + else { + // no filtering. load all data + this.dataPoints = this._getDataPoints(this.dataTable); + } - month : makeAccessor('Month', true), + // draw the filter + this._redrawFilter(); + }; - 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 */ - } + /** + * Replace the dataset of the Graph3d + * @param {Array | DataSet | DataView} data + */ + Graph3d.prototype.setData = function (data) { + this._readData(data); + this.redraw(); - // weeks are a special case - if (units === 'week') { - this.weekday(0); - } else if (units === 'isoWeek') { - this.isoWeekday(1); - } + // start animation when option is true + if (this.animationAutoStart && this.dataFilter) { + this.animationStart(); + } + }; - // quarters are also special - if (units === 'quarter') { - this.month(Math.floor(this.month() / 3) * 3); - } + /** + * Update the options. Options will be merged with current options + * @param {Object} options + */ + Graph3d.prototype.setOptions = function (options) { + var cameraPosition = undefined; - return this; - }, + this.animationStop(); - endOf: function (units) { - units = normalizeUnits(units); - if (units === undefined || units === 'millisecond') { - return this; - } - return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); - }, + if (options !== undefined) { + // retrieve parameter values + if (options.width !== undefined) this.width = options.width; + if (options.height !== undefined) this.height = options.height; - 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); - } - }, + if (options.xCenter !== undefined) this.defaultXCenter = options.xCenter; + if (options.yCenter !== undefined) this.defaultYCenter = options.yCenter; - 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; - } - }, + 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; - 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)); - } - }, + if (options.xValueLabel !== undefined) this.xValueLabel = options.xValueLabel; + if (options.yValueLabel !== undefined) this.yValueLabel = options.yValueLabel; + if (options.zValueLabel !== undefined) this.zValueLabel = options.zValueLabel; - 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; - } - ), + 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; - 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; - } - ), + if (options.animationInterval !== undefined) this.animationInterval = options.animationInterval; + if (options.animationPreload !== undefined) this.animationPreload = options.animationPreload; + if (options.animationAutoStart !== undefined)this.animationAutoStart = options.animationAutoStart; - // 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; - }, + if (options.xBarWidth !== undefined) this.defaultXBarWidth = options.xBarWidth; + if (options.yBarWidth !== undefined) this.defaultYBarWidth = options.yBarWidth; - zoneAbbr : function () { - return this._isUTC ? 'UTC' : ''; - }, + 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; - zoneName : function () { - return this._isUTC ? 'Coordinated Universal Time' : ''; - }, + if (options.cameraPosition !== undefined) cameraPosition = options.cameraPosition; - parseZone : function () { - if (this._tzm) { - this.zone(this._tzm); - } else if (typeof this._i === 'string') { - this.zone(this._i); - } - return this; - }, + 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); + } + } - hasAlignedHourOffset : function (input) { - if (!input) { - input = 0; - } - else { - input = moment(input).zone(); - } + this._setBackgroundColor(options && options.backgroundColor); - return (this.zone() - input) % 60 === 0; - }, + this.setSize(this.width, this.height); - daysInMonth : function () { - return daysInMonth(this.year(), this.month()); - }, + // re-load the data + if (this.dataTable) { + this.setData(this.dataTable); + } - 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'); - }, + // start animation when option is true + if (this.animationAutoStart && this.dataFilter) { + this.animationStart(); + } + }; - quarter : function (input) { - return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); - }, + /** + * Redraw the Graph. + */ + Graph3d.prototype.redraw = function() { + if (this.dataPoints === undefined) { + throw 'Error: graph data not initialized'; + } - 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'); - }, + this._resizeCanvas(); + this._resizeCenter(); + this._redrawSlider(); + this._redrawClear(); + this._redrawAxis(); - isoWeekYear : function (input) { - var year = weekOfYear(this, 1, 4).year; - return input == null ? year : this.add((input - year), 'y'); - }, + 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(); + } - week : function (input) { - var week = this.localeData().week(this); - return input == null ? week : this.add((input - week) * 7, 'd'); - }, + this._redrawInfo(); + this._redrawLegend(); + }; - isoWeek : function (input) { - var week = weekOfYear(this, 1, 4).week; - return input == null ? week : this.add((input - week) * 7, 'd'); - }, + /** + * Clear the canvas before redrawing + */ + Graph3d.prototype._redrawClear = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); - weekday : function (input) { - var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; - return input == null ? weekday : this.add(input - weekday, 'd'); - }, + ctx.clearRect(0, 0, canvas.width, canvas.height); + }; - isoWeekday : function (input) { - // behaves the same as moment#day except - // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) - // as a setter, sunday should belong to the previous week. - return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7); - }, - isoWeeksInYear : function () { - return weeksInYear(this.year(), 1, 4); - }, + /** + * Redraw the legend showing the colors + */ + Graph3d.prototype._redrawLegend = function() { + var y; - weeksInYear : function () { - var weekInfo = this.localeData()._week; - return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); - }, + if (this.style === Graph3d.STYLE.DOTCOLOR || + this.style === Graph3d.STYLE.DOTSIZE) { - get : function (units) { - units = normalizeUnits(units); - return this[units](); - }, + var dotSize = this.frame.clientWidth * 0.02; - set : function (units, value) { - units = normalizeUnits(units); - if (typeof this[units] === 'function') { - this[units](value); - } - return this; - }, + 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 + } - // If passed a locale key, it will set the locale for this - // instance. Otherwise, it will return the locale configuration - // variables for this instance. - locale : function (key) { - var newLocaleData; + var height = Math.max(this.frame.clientHeight * 0.25, 100); + var top = this.margin; + var right = this.frame.clientWidth - this.margin; + var left = right - widthMax; + var bottom = top + height; + } - if (key === undefined) { - return this._locale._abbr; - } else { - newLocaleData = moment.localeData(key); - if (newLocaleData != null) { - this._locale = newLocaleData; - } - return this; - } - }, + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + ctx.lineWidth = 1; + ctx.font = '14px arial'; // TODO: put in options - 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); - } - } - ), + 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); - localeData : function () { - return this._locale; - }, + //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); - _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; - } - }); + ctx.strokeStyle = color; + ctx.beginPath(); + ctx.moveTo(left, top + y); + ctx.lineTo(right, top + y); + ctx.stroke(); + } - function rawMonthSetter(mom, value) { - var dayOfMonth; + ctx.strokeStyle = this.colorAxis; + ctx.strokeRect(left, top, widthMax, height); + } - // TODO: Move this out of here! - if (typeof value === 'string') { - value = mom.localeData().monthsParse(value); - // TODO: Another silent failure? - if (typeof value !== 'number') { - return mom; - } - } + if (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(); + } - dayOfMonth = Math.min(mom.date(), - daysInMonth(mom.year(), value)); - mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); - return mom; + 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; - function rawGetter(mom, unit) { - return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit](); - } + ctx.beginPath(); + ctx.moveTo(left - gridLineLen, y); + ctx.lineTo(left, y); + ctx.stroke(); - function rawSetter(mom, unit, value) { - if (unit === 'Month') { - return rawMonthSetter(mom, value); - } else { - return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); - } - } + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = this.colorAxis; + ctx.fillText(step.getCurrent(), left - 2 * gridLineLen, y); - 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); - } - }; + step.next(); } - 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)); - - // 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; + ctx.textAlign = 'right'; + ctx.textBaseline = 'top'; + var label = this.legendLabel; + ctx.fillText(label, right, bottom + this.margin); + } + }; - // add aliased format methods - moment.fn.toJSON = moment.fn.toISOString; + /** + * Redraw the filter + */ + Graph3d.prototype._redrawFilter = function() { + this.frame.filter.innerHTML = ''; - /************************************ - Duration Prototype - ************************************/ + if (this.dataFilter) { + var options = { + 'visible': this.showAnimationControls + }; + var slider = new Slider(this.frame.filter, options); + this.frame.filter.slider = slider; + // TODO: css here is not nice here... + this.frame.filter.style.padding = '10px'; + //this.frame.filter.style.backgroundColor = '#EFEFEF'; - function daysToYears (days) { - // 400 years have 146097 days (taking into account leap year rules) - return days * 400 / 146097; - } + slider.setValues(this.dataFilter.values); + slider.setPlayInterval(this.animationInterval); - function yearsToDays (years) { - // years * 365 + absRound(years / 4) - - // absRound(years / 100) + absRound(years / 400); - return years * 146097 / 400; - } + // create an event handler + var me = this; + var onchange = function () { + var index = slider.getIndex(); - extend(moment.duration.fn = Duration.prototype, { + me.dataFilter.selectValue(index); + me.dataPoints = me.dataFilter._getDataPoints(); - _bubble : function () { - var milliseconds = this._milliseconds, - days = this._days, - months = this._months, - data = this._data, - seconds, minutes, hours, years = 0; + me.redraw(); + }; + slider.setOnChangeCallback(onchange); + } + else { + this.frame.filter.slider = undefined; + } + }; - // The following code bubbles up values, see the tests for - // examples of what that means. - data.milliseconds = milliseconds % 1000; + /** + * Redraw the slider + */ + Graph3d.prototype._redrawSlider = function() { + if ( this.frame.filter.slider !== undefined) { + this.frame.filter.slider.redraw(); + } + }; - seconds = absRound(milliseconds / 1000); - data.seconds = seconds % 60; - minutes = absRound(seconds / 60); - data.minutes = minutes % 60; + /** + * Redraw common information + */ + Graph3d.prototype._redrawInfo = function() { + if (this.dataFilter) { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); - hours = absRound(minutes / 60); - data.hours = hours % 24; + ctx.font = '14px arial'; // TODO: put in options + ctx.lineStyle = 'gray'; + ctx.fillStyle = 'gray'; + ctx.textAlign = 'left'; + ctx.textBaseline = 'top'; - days += absRound(hours / 24); + var x = this.margin; + var y = this.margin; + ctx.fillText(this.dataFilter.getLabel() + ': ' + this.dataFilter.getSelectedValue(), x, y); + } + }; - // 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; + /** + * 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; - // 12 months -> 1 year - years += absRound(months / 12); - months %= 12; + // TODO: get the actual rendered style of the containerElement + //ctx.font = this.containerElement.style.font; + ctx.font = 24 / this.camera.getArmLength() + 'px arial'; - data.days = days; - data.months = months; - data.years = years; - }, + // 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; - abs : function () { - this._milliseconds = Math.abs(this._milliseconds); - this._days = Math.abs(this._days); - this._months = Math.abs(this._months); + // 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(); - 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); + 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(); - return this; - }, + 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(); + } - weeks : function () { - return absRound(this.days() / 7); - }, + 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); - valueOf : function () { - return this._milliseconds + - this._days * 864e5 + - (this._months % 12) * 2592e6 + - toInt(this._months / 12) * 31536e6; - }, + step.next(); + } - humanize : function (withSuffix) { - var output = relativeTime(this, !withSuffix, this.localeData()); + // 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(); - if (withSuffix) { - output = this.localeData().pastFuture(+this, output); - } + 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(); + } - return this.localeData().postformat(output); - }, + 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); - add : function (input, val) { - // supports only 2.0-style add(1, 's') or add(moment) - var dur = moment.duration(input, val); + step.next(); + } - this._milliseconds += dur._milliseconds; - this._days += dur._days; - this._months += dur._months; + // 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(); - this._bubble(); + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = this.colorAxis; + ctx.fillText(this.zValueLabel(step.getCurrent()) + ' ', from.x - 5, from.y); - return this; - }, + 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(); - subtract : function (input, val) { - var dur = moment.duration(input, val); + // 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(); - this._milliseconds -= dur._milliseconds; - this._days -= dur._days; - this._months -= dur._months; + // 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(); - this._bubble(); + // 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); + } - return this; - }, + // 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); + } - get : function (units) { - units = normalizeUnits(units); - return this[units.toLowerCase() + 's'](); - }, + // 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); + } + }; - as : function (units) { - var days, months; - units = normalizeUnits(units); + /** + * 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 (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); - } - } - }, + C = V * S; + Hi = Math.floor(H/60); // hi = 0,1,2,3,4,5 + X = C * (1 - Math.abs(((H/60) % 2) - 1)); - lang : moment.fn.lang, - locale : moment.fn.locale, + 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; - toIsoString : deprecate( - 'toIsoString() is deprecated. Please use toISOString() instead ' + - '(notice the capitals)', - function () { - return this.toISOString(); - } - ), + default: R = 0; G = 0; B = 0; break; + } - toISOString : function () { - // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js - var years = Math.abs(this.years()), - months = Math.abs(this.months()), - days = Math.abs(this.days()), - hours = Math.abs(this.hours()), - minutes = Math.abs(this.minutes()), - seconds = Math.abs(this.seconds() + this.milliseconds() / 1000); + return 'RGB(' + parseInt(R*255) + ',' + parseInt(G*255) + ',' + parseInt(B*255) + ')'; + }; - if (!this.asSeconds()) { - // this is the same as C#'s (Noda) and python (isodate)... - // but not other JS (goog.date) - return 'P0D'; - } - return (this.asSeconds() < 0 ? '-' : '') + - 'P' + - (years ? years + 'Y' : '') + - (months ? months + 'M' : '') + - (days ? days + 'D' : '') + - ((hours || minutes || seconds) ? 'T' : '') + - (hours ? hours + 'H' : '') + - (minutes ? minutes + 'M' : '') + - (seconds ? seconds + 'S' : ''); - }, - - localeData : function () { - return this._locale; - } - }); + /** + * 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; - moment.duration.fn.toString = moment.duration.fn.toISOString; - function makeDurationGetter(name) { - moment.duration.fn[name] = function () { - return this._data[name]; - }; - } + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - for (i in unitMillisecondFactors) { - if (hasOwnProp(unitMillisecondFactors, i)) { - makeDurationGetter(i.toLowerCase()); - } - } + // 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); - moment.duration.fn.asMilliseconds = function () { - return this.as('ms'); - }; - moment.duration.fn.asSeconds = function () { - return this.as('s'); - }; - moment.duration.fn.asMinutes = function () { - return this.as('m'); - }; - moment.duration.fn.asHours = function () { - return this.as('h'); - }; - moment.duration.fn.asDays = function () { - return this.as('d'); - }; - moment.duration.fn.asWeeks = function () { - return this.as('weeks'); - }; - moment.duration.fn.asMonths = function () { - return this.as('M'); - }; - moment.duration.fn.asYears = function () { - return this.as('y'); - }; + this.dataPoints[i].trans = trans; + this.dataPoints[i].screen = screen; - /************************************ - Default Locale - ************************************/ + // 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; + } + // 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); - // 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; - } - }); + 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; - /* EMBED_LOCALES */ + if (point !== undefined && right !== undefined && top !== undefined && cross !== undefined) { - /************************************ - Exposing Moment - ************************************/ + 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) - function makeGlobal(shouldDeprecate) { - /*global ender:false */ - if (typeof ender !== 'undefined') { - return; + topSideVisible = (crossproduct.z > 0); } - 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; + else { + topSideVisible = true; } - } - // CommonJS module is defined - if (hasModule) { - module.exports = moment; - } else if (true) { - !(__WEBPACK_AMD_DEFINE_RESULT__ = function (require, exports, module) { - if (module.config && module.config() && module.config().noGlobal === true) { - // release the global variable - globalScope.moment = oldGlobalMoment; - } - - 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__) { - - function webpackContext(req) { - throw new Error("Cannot find module '" + req + "'."); - } - webpackContext.keys = function() { return []; }; - webpackContext.resolve = webpackContext; - module.exports = webpackContext; - webpackContext.id = 4; + 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; + } + lineWidth = 0.5; -/***/ }, -/* 5 */ -/***/ function(module, exports, __webpack_require__) { + 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; - module.exports = function(module) { - if(!module.webpackPolyfill) { - module.deprecate = function() {}; - module.paths = []; - // module.parent = undefined by default - module.children = []; - module.webpackPolyfill = 1; - } - return module; - } + if (point !== undefined) { + if (this.showPerspective) { + lineWidth = 2 / -point.trans.z; + } + else { + lineWidth = 2 * -(this.eye.z / this.camera.getArmLength()); + } + } + 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; -/***/ }, -/* 6 */ -/***/ 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(right.screen.x, right.screen.y); + ctx.stroke(); + } - // DOM utility methods + 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; - /** - * 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 = []; + 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(); + } } } }; + /** - * 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 + * Draw all datapoints as dots. + * This function can be used when the style is 'dot' or 'dot-line' */ - 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 = []; - } - } + Graph3d.prototype._redrawDataDot = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + var i; + + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? + + // 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; } - }; - /** - * 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(); + // order the translated points by depth + var sortDepth = function (a, b) { + return b.dist - a.dist; + }; + this.dataPoints.sort(sortDepth); + + // draw the datapoints as colored circles + var dotSize = this.frame.clientWidth * 0.02; // px + for (i = 0; i < this.dataPoints.length; i++) { + var point = this.dataPoints[i]; + + if (this.style === Graph3d.STYLE.DOTLINE) { + // draw a vertical line from the bottom to the graph value + //var from = this._convert3Dto2D(new Point3d(point.point.x, point.point.y, this.zMin)); + var from = this._convert3Dto2D(point.bottom); + ctx.lineWidth = 1; + ctx.strokeStyle = this.colorGrid; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(point.screen.x, point.screen.y); + ctx.stroke(); + } + + // calculate radius for the circle + var size; + if (this.style === Graph3d.STYLE.DOTSIZE) { + size = dotSize/2 + 2*dotSize * (point.point.value - this.valueMin) / (this.valueMax - this.valueMin); } else { - // create a new element and add it to the SVG - element = document.createElementNS('http://www.w3.org/2000/svg', elementType); - svgContainer.appendChild(element); + size = dotSize; } - } - 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(); + var radius; + if (this.showPerspective) { + radius = size / -point.trans.z; } 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); - } + radius = size * -(this.eye.z / this.camera.getArmLength()); } - } - 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); + if (radius < 0) { + radius = 0; + } + + 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 { - DOMContainer.appendChild(element); + // 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(); } - 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 {*} + * Draw all datapoints as bars. + * This function can be used when the style is 'bar', 'bar-color', or 'bar-size' */ - 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); - } + Graph3d.prototype._redrawDataBar = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + var i, j, surface, corners; - if(group.options.drawPoints.styles !== undefined) { - point.setAttributeNS(null, "style", group.group.options.drawPoints.styles); - } - point.setAttributeNS(null, "class", group.className + " point"); - return point; - }; + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - /** - * 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); + // 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; } - }; -/***/ }, -/* 7 */ -/***/ function(module, exports, __webpack_require__) { + // order the translated points by depth + var sortDepth = function (a, b) { + return b.dist - a.dist; + }; + this.dataPoints.sort(sortDepth); - var util = __webpack_require__(1); - var Queue = __webpack_require__(8); + // 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]; - /** - * DataSet - * - * Usage: - * var dataSet = new DataSet({ - * fieldId: '_id', - * type: { - * // ... - * } - * }); - * - * dataSet.add(item); - * dataSet.add(data); - * dataSet.update(item); - * dataSet.update(data); - * dataSet.remove(id); - * dataSet.remove(ids); - * var data = dataSet.get(); - * var data = dataSet.get(id); - * var data = dataSet.get(ids); - * var data = dataSet.get(ids, options, data); - * dataSet.clear(); - * - * A data set can: - * - add/remove/update data - * - gives triggers upon changes in the data - * - can import/export data in various data formats - * - * @param {Array | DataTable} [data] Optional array with initial data - * @param {Object} [options] Available options: - * {String} fieldId Field name of the id in the - * items, 'id' by default. - * {Object. 0) { + point = this.dataPoints[0]; - /** - * Trigger an event - * @param {String} event - * @param {Object | null} params - * @param {String} [senderId] Optional id of the sender. - * @private - */ - DataSet.prototype._trigger = function (event, params, senderId) { - if (event == '*') { - throw new Error('Cannot trigger event *'); + ctx.lineWidth = 1; // TODO: make customizable + ctx.strokeStyle = 'blue'; // TODO: make customizable + ctx.beginPath(); + ctx.moveTo(point.screen.x, point.screen.y); } - var subscribers = []; - if (event in this._subscribers) { - subscribers = subscribers.concat(this._subscribers[event]); - } - if ('*' in this._subscribers) { - subscribers = subscribers.concat(this._subscribers['*']); + // 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); } - for (var i = 0; i < subscribers.length; i++) { - var subscriber = subscribers[i]; - if (subscriber.callback) { - subscriber.callback(event, params, senderId || null); - } + // finish the line + if (this.dataPoints.length > 0) { + ctx.stroke(); } }; /** - * Add data. - * Adding an item will fail when there already is an item with the same id. - * @param {Object | Array | DataTable} data - * @param {String} [senderId] Optional sender id - * @return {Array} addedIds Array with the ids of the added items + * Start a moving operation inside the provided parent element + * @param {Event} event The event that occurred (required for + * retrieving the mouse position) */ - DataSet.prototype.add = function (data, senderId) { - var addedIds = [], - id, - me = this; + Graph3d.prototype._onMouseDown = function(event) { + event = event || window.event; - if (Array.isArray(data)) { - // Array - for (var i = 0, len = data.length; i < len; i++) { - id = me._addItem(data[i]); - addedIds.push(id); - } + // check if mouse is still down (may be up when focus is lost for example + // in an iframe) + if (this.leftButtonDown) { + this._onMouseUp(event); } - else if (util.isDataTable(data)) { - // Google DataTable - var columns = this._getColumnNames(data); - for (var row = 0, rows = data.getNumberOfRows(); row < rows; row++) { - var item = {}; - for (var col = 0, cols = columns.length; col < cols; col++) { - var field = columns[col]; - item[field] = data.getValue(row, col); - } - id = me._addItem(item); - addedIds.push(id); - } - } - else if (data instanceof Object) { - // Single item - id = me._addItem(data); - addedIds.push(id); - } - else { - throw new Error('Unknown dataType'); - } + // only react on left mouse button down + this.leftButtonDown = event.which ? (event.which === 1) : (event.button === 1); + if (!this.leftButtonDown && !this.touchDown) return; - if (addedIds.length) { - this._trigger('add', {items: addedIds}, senderId); - } + // get mouse position (different code for IE and all other browsers) + this.startMouseX = getMouseX(event); + this.startMouseY = getMouseY(event); - return addedIds; + this.startStart = new Date(this.start); + this.startEnd = new Date(this.end); + this.startArmRotation = this.camera.getArmRotation(); + + 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); }; + /** - * Update existing items. When an item does not exist, it will be created - * @param {Object | Array | DataTable} data - * @param {String} [senderId] Optional sender id - * @return {Array} updatedIds The ids of the added or updated items + * Perform moving operating. + * This function activated from within the funcion Graph.mouseDown(). + * @param {Event} event Well, eehh, the event */ - DataSet.prototype.update = function (data, senderId) { - var addedIds = []; - var updatedIds = []; - var updatedData = []; - var me = this; - var fieldId = me._fieldId; + Graph3d.prototype._onMouseMove = function (event) { + event = event || window.event; - var addOrUpdate = function (item) { - var id = item[fieldId]; - if (me._data[id]) { - // update item - id = me._updateItem(item); - updatedIds.push(id); - updatedData.push(item); - } - else { - // add new item - id = me._addItem(item); - addedIds.push(id); - } - }; + // calculate change in mouse position + var diffX = parseFloat(getMouseX(event)) - this.startMouseX; + var diffY = parseFloat(getMouseY(event)) - this.startMouseY; - if (Array.isArray(data)) { - // Array - for (var i = 0, len = data.length; i < len; i++) { - addOrUpdate(data[i]); - } - } - else if (util.isDataTable(data)) { - // Google DataTable - var columns = this._getColumnNames(data); - for (var row = 0, rows = data.getNumberOfRows(); row < rows; row++) { - var item = {}; - for (var col = 0, cols = columns.length; col < cols; col++) { - var field = columns[col]; - item[field] = data.getValue(row, col); - } + var horizontalNew = this.startArmRotation.horizontal + diffX / 200; + var verticalNew = this.startArmRotation.vertical + diffY / 200; - addOrUpdate(item); - } - } - else if (data instanceof Object) { - // Single item - addOrUpdate(data); + var snapAngle = 4; // degrees + var snapValue = Math.sin(snapAngle / 360 * 2 * Math.PI); + + // snap horizontally to nice angles at 0pi, 0.5pi, 1pi, 1.5pi, etc... + // the -0.001 is to take care that the vertical axis is always drawn at the left front corner + if (Math.abs(Math.sin(horizontalNew)) < snapValue) { + horizontalNew = Math.round((horizontalNew / Math.PI)) * Math.PI - 0.001; } - else { - throw new Error('Unknown dataType'); + if (Math.abs(Math.cos(horizontalNew)) < snapValue) { + horizontalNew = (Math.round((horizontalNew/ Math.PI - 0.5)) + 0.5) * Math.PI - 0.001; } - if (addedIds.length) { - this._trigger('add', {items: addedIds}, senderId); + // snap vertically to nice angles + if (Math.abs(Math.sin(verticalNew)) < snapValue) { + verticalNew = Math.round((verticalNew / Math.PI)) * Math.PI; } - if (updatedIds.length) { - this._trigger('update', {items: updatedIds, data: updatedData}, senderId); + if (Math.abs(Math.cos(verticalNew)) < snapValue) { + verticalNew = (Math.round((verticalNew/ Math.PI - 0.5)) + 0.5) * Math.PI; } - return addedIds.concat(updatedIds); + this.camera.setArmRotation(horizontalNew, verticalNew); + this.redraw(); + + // fire a cameraPositionChange event + var parameters = this.getCameraPosition(); + this.emit('cameraPositionChange', parameters); + + util.preventDefault(event); }; + /** - * Get a data item or multiple items. - * - * Usage: - * - * get() - * get(options: Object) - * get(options: Object, data: Array | DataTable) - * - * get(id: Number | String) - * get(id: Number | String, options: Object) - * get(id: Number | String, options: Object, data: Array | DataTable) - * - * get(ids: Number[] | String[]) - * get(ids: Number[] | String[], options: Object) - * get(ids: Number[] | String[], options: Object, data: Array | DataTable) - * - * Where: - * - * {Number | String} id The id of an item - * {Number[] | String{}} ids An array with ids of items - * {Object} options An Object with options. Available options: - * {String} [returnType] Type of data to be - * returned. Can be 'DataTable' or 'Array' (default) - * {Object.} [type] - * {String[]} [fields] field names to be returned - * {function} [filter] filter items - * {String | function} [order] Order the items by - * a field name or custom sort function. - * {Array | DataTable} [data] If provided, items will be appended to this - * array or table. Required in case of Google - * DataTable. - * - * @throws Error + * Stop moving operating. + * This function activated from within the funcion Graph.mouseDown(). + * @param {event} event The event */ - DataSet.prototype.get = function (args) { - var me = this; + Graph3d.prototype._onMouseUp = function (event) { + this.frame.style.cursor = 'auto'; + this.leftButtonDown = false; - // 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]; + // remove event listeners here + util.removeEventListener(document, 'mousemove', this.onmousemove); + util.removeEventListener(document, 'mouseup', this.onmouseup); + util.preventDefault(event); + }; + + /** + * After having moved the mouse, a tooltip should pop up when the mouse is resting on a data point + * @param {Event} event A mouse move event + */ + Graph3d.prototype._onTooltip = function (event) { + var delay = 300; // ms + var boundingRect = this.frame.getBoundingClientRect(); + var mouseX = getMouseX(event) - boundingRect.left; + var mouseY = getMouseY(event) - boundingRect.top; + + if (!this.showTooltip) { + return; } - else { - // get([, options] [, data]) - options = arguments[0]; - data = arguments[1]; + + if (this.tooltipTimeout) { + clearTimeout(this.tooltipTimeout); } - // 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); + // (delayed) display of a tooltip only if no mouse button is down + if (this.leftButtonDown) { + this._hideTooltip(); + return; } - // 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); + 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); } - } - } - - // 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]); + else { + this._hideTooltip(); } } - 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; + // 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); } }; /** - * 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 + * Event handler for touchstart event on mobile devices */ - 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); + Graph3d.prototype._onTouchStart = function(event) { + this.touchDown = true; - 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]); - } - } - } - } + 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); - return ids; + this._onMouseDown(event); }; /** - * Returns the DataSet itself. Is overwritten for example by the DataView, - * which returns the DataSet it is connected to instead. + * Event handler for touchmove event on mobile devices */ - DataSet.prototype.getDataSet = function () { - return this; + Graph3d.prototype._onTouchMove = function(event) { + this._onMouseMove(event); }; /** - * 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. + * Event handler for touchend event on mobile devices */ - DataSet.prototype.forEach = function (callback, options) { - var filter = options && options.filter, - type = options && options.type || this._options.type, - data = this._data, - item, - id; + Graph3d.prototype._onTouchEnd = function(event) { + this.touchDown = false; - if (options && options.order) { - // execute forEach on ordered list - var items = this.get(options); + util.removeEventListener(document, 'touchmove', this.ontouchmove); + util.removeEventListener(document, 'touchend', this.ontouchend); - 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); - } - } - } - } + this._onMouseUp(event); }; + /** - * 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 + * Event handler for mouse wheel event, used to zoom the graph + * Code from http://adomas.org/javascript-mouse-wheel/ + * @param {event} event The event */ - DataSet.prototype.map = function (callback, options) { - var filter = options && options.filter, - type = options && options.type || this._options.type, - mappedItems = [], - data = this._data, - item; + Graph3d.prototype._onWheel = function(event) { + if (!event) /* For IE. */ + event = window.event; - // 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)); - } - } + // 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; } - // order items - if (options && options.order) { - this._sort(mappedItems, options.order); + // If delta is nonzero, handle it. + // Basically, delta is now positive if wheel was scrolled up, + // and negative, if wheel was scrolled down. + if (delta) { + var oldLength = this.camera.getArmLength(); + var newLength = oldLength * (1 - delta / 10); + + this.camera.setArmLength(newLength); + this.redraw(); + + this._hideTooltip(); } - return mappedItems; + // 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); }; /** - * Filter the fields of an item - * @param {Object} item - * @param {String[]} fields Field names - * @return {Object} filteredItem + * 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 */ - DataSet.prototype._filterFields = function (item, fields) { - var filteredItem = {}; + Graph3d.prototype._insideTriangle = function (point, triangle) { + var a = triangle[0], + b = triangle[1], + c = triangle[2]; - for (var field in item) { - if (item.hasOwnProperty(field) && (fields.indexOf(field) != -1)) { - filteredItem[field] = item[field]; - } + function sign (x) { + return x > 0 ? 1 : x < 0 ? -1 : 0; } - return filteredItem; - }; + 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)); - /** - * 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'); - } + // 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); }; /** - * 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 + * 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 */ - DataSet.prototype.remove = function (id, senderId) { - var removedIds = [], - i, len, removedId; + Graph3d.prototype._dataPointFromXY = function (x, y) { + var i, + distMax = 100, // px + dataPoint = null, + closestDataPoint = null, + closestDist = null, + center = new Point2d(x, y); - if (Array.isArray(id)) { - for (i = 0, len = id.length; i < len; i++) { - removedId = this._remove(id[i]); - if (removedId != null) { - removedIds.push(removedId); + 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 { - removedId = this._remove(id); - if (removedId != null) { - removedIds.push(removedId); + // 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; + } + } } } - if (removedIds.length) { - this._trigger('remove', {items: removedIds}, senderId); - } - return removedIds; + return closestDataPoint; }; /** - * Remove an item by its id - * @param {Number | String | Object} id id or item - * @returns {Number | String | null} id + * Display a tooltip for given data point + * @param {Object} dataPoint * @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; - }; + Graph3d.prototype._showTooltip = function (dataPoint) { + var content, line, dot; - /** - * 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); + 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._data = {}; + line = document.createElement('div'); + line.style.position = 'absolute'; + line.style.height = '40px'; + line.style.width = '0'; + line.style.borderLeft = '1px solid #4d4d4d'; - this._trigger('remove', {items: ids}, senderId); + 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'; - return ids; - }; + 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; + } - /** - * 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; + this._hideTooltip(); - 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++; - } - } + this.tooltip.dataPoint = dataPoint; + if (typeof this.showTooltip === 'function') { + content.innerHTML = this.showTooltip(dataPoint.point); } - - if (fieldType) { - for (i = 0; i < values.length; i++) { - values[i] = util.convert(values[i], fieldType); - } + else { + content.innerHTML = '' + + '' + + '' + + '' + + '
x:' + dataPoint.point.x + '
y:' + dataPoint.point.y + '
z:' + dataPoint.point.z + '
'; } - 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]; + content.style.left = '0'; + content.style.top = '0'; + this.frame.appendChild(content); + this.frame.appendChild(line); + this.frame.appendChild(dot); - 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; - } + // calculate sizes + var contentWidth = content.offsetWidth; + var contentHeight = content.offsetHeight; + var lineHeight = line.offsetHeight; + var dotWidth = dot.offsetWidth; + var dotHeight = dot.offsetHeight; - 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; + var left = dataPoint.screen.x - contentWidth / 2; + left = Math.min(Math.max(left, 10), this.frame.clientWidth - 10 - contentWidth); - return id; + 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'; }; /** - * 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 + * Hide the tooltip when displayed * @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; - } + Graph3d.prototype._hideTooltip = function () { + if (this.tooltip) { + this.tooltip.dataPoint = 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; + 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); + } } } } - 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 + * Get the horizontal mouse position from a mouse event + * @param {Event} event + * @return {Number} mouse x */ - 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; - }; + function getMouseX (event) { + if ('clientX' in event) return event.clientX; + return event.targetTouches[0] && event.targetTouches[0].clientX || 0; + } /** - * Append an item as a row to the dataTable - * @param dataTable - * @param columns - * @param item - * @private + * Get the vertical mouse position from a mouse event + * @param {Event} event + * @return {Number} mouse y */ - 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]); - } - }; + function getMouseY (event) { + if ('clientY' in event) return event.clientY; + return event.targetTouches[0] && event.targetTouches[0].clientY || 0; + } - module.exports = DataSet; + module.exports = Graph3d; /***/ }, -/* 8 */ +/* 7 */ /***/ function(module, exports, __webpack_require__) { + var Point3d = __webpack_require__(10); + /** - * 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 + * @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 Queue(options) { - // options - this.delay = null; - this.max = Infinity; + function Camera() { + this.armLocation = new Point3d(); + this.armRotation = {}; + this.armRotation.horizontal = 0; + this.armRotation.vertical = 0; + this.armLength = 1.7; - // properties - this._queue = []; - this._timeout = null; - this._extended = null; + this.cameraLocation = new Point3d(); + this.cameraRotation = new Point3d(0.5*Math.PI, 0, 0); - this.setOptions(options); + this.calculateCameraOrientation(); } /** - * 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 + * 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 */ - 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; - } + Camera.prototype.setArmLocation = function(x, y, z) { + this.armLocation.x = x; + this.armLocation.y = y; + this.armLocation.z = z; - this._flushIfNeeded(); + this.calculateCameraOrientation(); }; /** - * 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 + * 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. */ - Queue.extend = function (object, options) { - var queue = new Queue(options); - - if (object.flush !== undefined) { - throw new Error('Target object already has a property flush'); + Camera.prototype.setArmRotation = function(horizontal, vertical) { + if (horizontal !== undefined) { + this.armRotation.horizontal = horizontal; } - 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); - } + 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; } - queue._extended = { - object: object, - methods: methods - }; - - return queue; + if (horizontal !== undefined || vertical !== undefined) { + this.calculateCameraOrientation(); + } }; /** - * Destroy the queue. The queue will first flush all queued actions, and in - * case it has extended an object, will restore the original object. + * Retrieve the current arm rotation + * @return {object} An object with parameters horizontal and vertical */ - Queue.prototype.destroy = function () { - this.flush(); + Camera.prototype.getArmRotation = function() { + var rot = {}; + rot.horizontal = this.armRotation.horizontal; + rot.vertical = this.armRotation.vertical; - 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; - } + return rot; }; /** - * Replace a method on an object with a queued version - * @param {Object} object Object having the method - * @param {string} method The method name + * Set the (normalized) length of the camera arm. + * @param {Number} length A length between 0.71 and 5.0 */ - Queue.prototype.replace = function(object, method) { - var me = this; - var original = object[method]; - if (!original) { - throw new Error('Method ' + method + ' undefined'); - } + Camera.prototype.setArmLength = function(length) { + if (length === undefined) + return; - object[method] = function () { - // create an Array with the arguments - var args = []; - for (var i = 0; i < arguments.length; i++) { - args[i] = arguments[i]; - } + this.armLength = length; - // add this call to the queue - me.queue({ - args: args, - fn: original, - context: this - }); - }; + // 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; + + this.calculateCameraOrientation(); }; /** - * Queue a call - * @param {function | {fn: function, args: Array} | {fn: function, args: Array, context: Object}} entry + * Retrieve the arm length + * @return {Number} length */ - Queue.prototype.queue = function(entry) { - if (typeof entry === 'function') { - this._queue.push({fn: entry}); - } - else { - this._queue.push(entry); - } - - this._flushIfNeeded(); + Camera.prototype.getArmLength = function() { + return this.armLength; }; /** - * Check whether the queue needs to be flushed - * @private + * Retrieve the camera location + * @return {Point3d} cameraLocation */ - 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); - } + Camera.prototype.getCameraLocation = function() { + return this.cameraLocation; }; /** - * Flush all queued calls + * Retrieve the camera rotation + * @return {Point3d} cameraRotation */ - Queue.prototype.flush = function () { - while (this._queue.length > 0) { - var entry = this._queue.shift(); - entry.fn.apply(entry.context || entry.fn, entry.args || []); - } + Camera.prototype.getCameraRotation = function() { + return this.cameraRotation; }; - module.exports = Queue; + /** + * 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); + + // 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; /***/ }, -/* 9 */ +/* 8 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(4); /** - * 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 + * @class Filter * - * @constructor DataView + * @param {DataSet} data The google data table + * @param {Number} column The index of the column to be filtered + * @param {Graph} graph The graph */ - 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); - } + function Filter (data, column, graph) { + this.data = data; + this.column = column; + this.graph = graph; // the parent graph - // TODO: implement a function .config() to dynamically update things like configured filter - // and trigger changes accordingly + this.index = undefined; + this.value = undefined; - /** - * Set a data source for the view - * @param {DataSet | DataView} data - */ - DataView.prototype.setData = function (data) { - var ids, i, len; + // read all distinct values and select the first one + this.values = graph.getDistinctValues(data.get(), this.column); - if (this._data) { - // unsubscribe from current dataset - if (this._data.unsubscribe) { - this._data.unsubscribe('*', this.listener); - } + // sort both numeric and string values correctly + this.values.sort(function (a, b) { + return a > b ? 1 : a < b ? -1 : 0; + }); - // 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}); + if (this.values.length > 0) { + this.selectValue(0); } - this._data = data; - - if (this._data) { - // update fieldId - this._fieldId = this._options.fieldId || - (this._data && this._data.options && this._data.options.fieldId) || - 'id'; + // create an array with the filtered datapoints. this will be loaded afterwards + this.dataPoints = []; - // 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}); + this.loaded = false; + this.onLoadCallback = undefined; - // subscribe to new dataset - if (this._data.on) { - this._data.on('*', this.listener); - } + if (graph.animationPreload) { + this.loaded = false; + this.loadInBackground(); + } + else { + this.loaded = true; } }; + /** - * 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 + * Return the label + * @return {string} label */ - 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]; - } + Filter.prototype.isLoaded = function() { + return this.loaded; + }; - // 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); - } - } + /** + * Return the loaded progress + * @return {Number} percentage between 0 and 100 + */ + Filter.prototype.getLoadedProgress = function() { + var len = this.values.length; - // build up the call to the linked data set - var getArguments = []; - if (ids != undefined) { - getArguments.push(ids); + var i = 0; + while (this.dataPoints[i]) { + i++; } - getArguments.push(viewOptions); - getArguments.push(data); - return this._data && this._data.get.apply(this._data, getArguments); + return Math.round(i / len * 100); }; + /** - * 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 + * Return the label + * @return {string} label */ - DataView.prototype.getIds = function (options) { - var ids; + Filter.prototype.getLabel = function() { + return this.graph.filterLabel; + }; - 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; - } + /** + * Return the columnIndex of the filter + * @return {Number} columnIndex + */ + Filter.prototype.getColumn = function() { + return this.column; + }; - ids = this._data.getIds({ - filter: filter, - order: options && options.order - }); - } - else { - ids = []; - } + /** + * Return the currently selected value. Returns undefined if there is no selection + * @return {*} value + */ + Filter.prototype.getSelectedValue = function() { + if (this.index === undefined) + return undefined; - return ids; + return this.values[this.index]; }; /** - * 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 + * Retrieve all values of the filter + * @return {Array} values */ - DataView.prototype.getDataSet = function () { - var dataSet = this; - while (dataSet instanceof DataView) { - dataSet = dataSet._data; - } - return dataSet || null; + Filter.prototype.getValues = function() { + return this.values; }; /** - * 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 + * Retrieve one value of the filter + * @param {Number} index + * @return {*} value */ - 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); - } - } + Filter.prototype.getValue = function(index) { + if (index >= this.values.length) + throw 'Error: index out of range'; - break; + return this.values[index]; + }; - 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 :-( - } - } - } + /** + * 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; - break; + if (index === undefined) + return []; - 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); - } - } + var dataPoints; + if (this.dataPoints[index]) { + dataPoints = this.dataPoints[index]; + } + else { + var f = {}; + f.column = this.column; + f.value = this.values[index]; - break; - } + var dataView = new DataView(this.data,{filter: function (item) {return (item[f.column] == f.value);}}).get(); + dataPoints = this.graph._getDataPoints(dataView); - 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); - } + this.dataPoints[index] = dataPoints; } - }; - // copy subscription functionality from DataSet - DataView.prototype.on = DataSet.prototype.on; - DataView.prototype.off = DataSet.prototype.off; - DataView.prototype._trigger = DataSet.prototype._trigger; + return dataPoints; + }; - // 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; -/***/ }, -/* 10 */ -/***/ function(module, exports, __webpack_require__) { + /** + * Set a callback function when the filter is fully loaded. + */ + Filter.prototype.setOnLoadCallback = function(callback) { + this.onLoadCallback = callback; + }; - 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); /** - * @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] + * Add a value to the list with available values for this filter + * No double entries will be created. + * @param {Number} index */ - 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%'; + Filter.prototype.selectValue = function(index) { + if (index >= this.values.length) + throw 'Error: index out of range'; - this.xLabel = 'x'; - this.yLabel = 'y'; - this.zLabel = 'z'; + this.index = index; + this.value = this.values[index]; + }; - var passValueFn = function(v) { return v; }; - this.xValueLabel = passValueFn; - this.yValueLabel = passValueFn; - this.zValueLabel = passValueFn; - - this.filterLabel = 'time'; - this.legendLabel = 'value'; + /** + * Load all filtered rows in the background one by one + * Start this method without providing an index! + */ + Filter.prototype.loadInBackground = function(index) { + if (index === undefined) + index = 0; - this.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' + var frame = this.graph.frame; - this.animationInterval = 1000; // milliseconds - this.animationPreload = false; + if (index < this.values.length) { + var dataPointsTemp = this._getDataPoints(index); + //this.graph.redrawInfo(); // TODO: not neat - this.camera = new Camera(); - this.eye = new Point3d(0, 0, -1); // TODO: set eye.z about 3/4 of the width of the window? + // 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'; - this.dataTable = null; // The original data table - this.dataPoints = null; // The table with point objects + var me = this; + setTimeout(function() {me.loadInBackground(index+1);}, 10); + this.loaded = false; + } + else { + this.loaded = true; - // the column indexes - this.colX = undefined; - this.colY = undefined; - this.colZ = undefined; - this.colValue = undefined; - this.colFilter = undefined; + // remove the progress box + if (frame.progress !== undefined) { + frame.removeChild(frame.progress); + frame.progress = 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 + if (this.onLoadCallback) + this.onLoadCallback(); + } + }; - // constants - this.colorAxis = '#4D4D4D'; - this.colorGrid = '#D3D3D3'; - this.colorDot = '#7DC1FF'; - this.colorDotBorder = '#3267D2'; + module.exports = Filter; - // create a frame and canvas - this.create(); - // apply options (also when undefined) - this.setOptions(options); +/***/ }, +/* 9 */ +/***/ function(module, exports, __webpack_require__) { - // apply data - if (data) { - this.setData(data); - } + /** + * @prototype Point2d + * @param {Number} [x] + * @param {Number} [y] + */ + function Point2d (x, y) { + this.x = x !== undefined ? x : 0; + this.y = y !== undefined ? y : 0; } - // Extend Graph3d with an Emitter mixin - Emitter(Graph3d.prototype); + module.exports = Point2d; + + +/***/ }, +/* 10 */ +/***/ function(module, exports, __webpack_require__) { /** - * Calculate the scaling values, dependent on the range in x, y, and z direction + * @prototype Point3d + * @param {Number} [x] + * @param {Number} [y] + * @param {Number} [z] */ - Graph3d.prototype._setScale = function() { - this.scale = new Point3d(1 / (this.xMax - this.xMin), - 1 / (this.yMax - this.yMin), - 1 / (this.zMax - this.zMin)); + function Point3d(x, y, z) { + this.x = x !== undefined ? x : 0; + this.y = y !== undefined ? y : 0; + this.z = z !== undefined ? z : 0; + }; - // 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); + /** + * 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; }; + /** + * 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; + }; /** - * 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 + * Calculate the average of two 3d points + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} The average, (a+b)/2 */ - Graph3d.prototype._convert3Dto2D = function(point3d) { - var translation = this._convertPointToTranslation(point3d); - return this._convertTranslationToScreen(translation); + Point3d.avg = function(a, b) { + return new Point3d( + (a.x + b.x) / 2, + (a.y + b.y) / 2, + (a.z + b.z) / 2 + ); }; /** - * 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 + * 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 */ - Graph3d.prototype._convertPointToTranslation = function(point3d) { - var ax = point3d.x * this.scale.x, - ay = point3d.y * this.scale.y, - az = point3d.z * this.scale.z, + Point3d.crossProduct = function(a, b) { + var crossproduct = new Point3d(); - cx = this.camera.getCameraLocation().x, - cy = this.camera.getCameraLocation().y, - cz = this.camera.getCameraLocation().z, + 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; - // 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), + return crossproduct; + }; - // 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); + /** + * 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 + ); }; + module.exports = Point3d; + + +/***/ }, +/* 11 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + /** - * 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 + * @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. */ - 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; + 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; - // calculate position on screen from translation - var bx; - var by; - if (this.showPerspective) { - bx = (dx - ex) * (ez / dz); - by = (dy - ey) * (ez / dz); + if (this.visible) { + this.frame = document.createElement('DIV'); + //this.frame.style.backgroundColor = '#E5E5E5'; + this.frame.style.width = '100%'; + this.frame.style.position = 'relative'; + this.container.appendChild(this.frame); + + this.frame.prev = document.createElement('INPUT'); + this.frame.prev.type = 'BUTTON'; + this.frame.prev.value = 'Prev'; + this.frame.appendChild(this.frame.prev); + + this.frame.play = document.createElement('INPUT'); + this.frame.play.type = 'BUTTON'; + this.frame.play.value = 'Play'; + this.frame.appendChild(this.frame.play); + + this.frame.next = document.createElement('INPUT'); + this.frame.next.type = 'BUTTON'; + this.frame.next.value = 'Next'; + this.frame.appendChild(this.frame.next); + + this.frame.bar = document.createElement('INPUT'); + this.frame.bar.type = 'BUTTON'; + this.frame.bar.style.position = 'absolute'; + this.frame.bar.style.border = '1px solid red'; + this.frame.bar.style.width = '100px'; + this.frame.bar.style.height = '6px'; + this.frame.bar.style.borderRadius = '2px'; + this.frame.bar.style.MozBorderRadius = '2px'; + this.frame.bar.style.border = '1px solid #7F7F7F'; + this.frame.bar.style.backgroundColor = '#E5E5E5'; + this.frame.appendChild(this.frame.bar); + + this.frame.slide = document.createElement('INPUT'); + this.frame.slide.type = 'BUTTON'; + this.frame.slide.style.margin = '0px'; + this.frame.slide.value = ' '; + this.frame.slide.style.position = 'relative'; + this.frame.slide.style.left = '-100px'; + this.frame.appendChild(this.frame.slide); + + // create events + var me = this; + this.frame.slide.onmousedown = function (event) {me._onMouseDown(event);}; + this.frame.prev.onclick = function (event) {me.prev(event);}; + this.frame.play.onclick = function (event) {me.togglePlay(event);}; + this.frame.next.onclick = function (event) {me.next(event);}; } - else { - bx = dx * -(ez / this.camera.getArmLength()); - by = dy * -(ez / this.camera.getArmLength()); + + this.onChangeCallback = undefined; + + this.values = []; + this.index = undefined; + + this.playTimeout = undefined; + this.playInterval = 1000; // milliseconds + this.playLoop = true; + } + + /** + * Select the previous index + */ + Slider.prototype.prev = function() { + var index = this.getIndex(); + if (index > 0) { + index--; + this.setIndex(index); } + }; - // 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); + /** + * Select the next index + */ + Slider.prototype.next = function() { + var index = this.getIndex(); + if (index < this.values.length - 1) { + index++; + this.setIndex(index); + } }; /** - * Set the background styling for the graph - * @param {string | {fill: string, stroke: string, strokeWidth: string}} backgroundColor + * Select the next index */ - Graph3d.prototype._setBackgroundColor = function(backgroundColor) { - var fill = 'white'; - var stroke = 'gray'; - var strokeWidth = 1; + Slider.prototype.playNext = function() { + var start = new Date(); - 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 + var index = this.getIndex(); + if (index < this.values.length - 1) { + index++; + this.setIndex(index); } - else { - throw 'Unsupported type of backgroundColor'; + else if (this.playLoop) { + // jump to the start + index = 0; + this.setIndex(index); } - this.frame.style.backgroundColor = fill; - this.frame.style.borderColor = stroke; - this.frame.style.borderWidth = strokeWidth + 'px'; - this.frame.style.borderStyle = 'solid'; - }; + var end = new Date(); + var diff = (end - start); + // 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 - /// 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 + var me = this; + this.playTimeout = setTimeout(function() {me.playNext();}, interval); }; /** - * 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 + * Toggle start or stop playing */ - 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; + Slider.prototype.togglePlay = function() { + if (this.playTimeout === undefined) { + this.play(); + } else { + this.stop(); } - - return -1; }; /** - * Determine the indexes of the data columns, based on the given style and data - * @param {DataSet} data - * @param {Number} style + * Start playing */ - 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; + Slider.prototype.play = function() { + // Test whether already playing + if (this.playTimeout) return; - if (data.getNumberOfColumns() > 3) { - this.colFilter = 3; - } - } - else if (this.style === Graph3d.STYLE.DOTCOLOR || - this.style === Graph3d.STYLE.DOTSIZE || - this.style === Graph3d.STYLE.BARCOLOR || - this.style === Graph3d.STYLE.BARSIZE) { - // 4 columns expected, and optionally a 5th with filter values - this.colX = 0; - this.colY = 1; - this.colZ = 2; - this.colValue = 3; + this.playNext(); - if (data.getNumberOfColumns() > 4) { - this.colFilter = 4; - } - } - else { - throw 'Unknown style "' + this.style + '"'; + if (this.frame) { + this.frame.play.value = 'Stop'; } }; - Graph3d.prototype.getNumberOfRows = function(data) { - return data.length; - } - + /** + * Stop playing + */ + Slider.prototype.stop = function() { + clearInterval(this.playTimeout); + this.playTimeout = undefined; - Graph3d.prototype.getNumberOfColumns = function(data) { - var counter = 0; - for (var column in data[0]) { - if (data[0].hasOwnProperty(column)) { - counter++; - } + if (this.frame) { + this.frame.play.value = 'Play'; } - return counter; - } + }; + + /** + * 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; + }; + /** + * Set the interval for playing the list + * @param {Number} interval The interval in milliseconds + */ + Slider.prototype.setPlayInterval = function(interval) { + this.playInterval = interval; + }; - 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; - } + /** + * Retrieve the current play interval + * @return {Number} interval The interval in milliseconds + */ + Slider.prototype.getPlayInterval = function(interval) { + return this.playInterval; + }; + + /** + * 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; + }; - 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]; } + /** + * Execute the onchange callback function + */ + Slider.prototype.onChange = function() { + if (this.onChangeCallback !== undefined) { + this.onChangeCallback(); } - 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 + * redraw the slider on the correct place */ - Graph3d.prototype._dataInitialize = function (rawData, style) { - var me = this; + 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'; - // unsubscribe from the dataTable - if (this.dataSet) { - this.dataSet.off('*', this._onChange); + // position the slider button + var left = this.indexToLeft(this.index); + this.frame.slide.style.left = (left) + 'px'; } + }; - if (rawData === undefined) - return; - if (Array.isArray(rawData)) { - rawData = new DataSet(rawData); - } + /** + * 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; - var data; - if (rawData instanceof DataSet || rawData instanceof DataView) { - data = rawData.get(); + if (this.values.length > 0) + this.setIndex(0); + else + this.index = undefined; + }; + + /** + * Select a value by its index + * @param {Number} index + */ + Slider.prototype.setIndex = function(index) { + if (index < this.values.length) { + this.index = index; + + this.redraw(); + this.onChange(); } else { - throw new Error('Array, DataSet, or DataView expected'); + throw 'Error: index out of range'; } + }; - if (data.length == 0) - return; + /** + * retrieve the index of the currently selected vaue + * @return {Number} index + */ + Slider.prototype.getIndex = function() { + return this.index; + }; - this.dataSet = rawData; - this.dataTable = data; - // subscribe to changes in the dataset - this._onChange = function () { - me.setData(me.dataSet); - }; - this.dataSet.on('*', this._onChange); + /** + * retrieve the currently selected value + * @return {*} value + */ + Slider.prototype.get = function() { + return this.values[this.index]; + }; - // _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; + 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; - 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; + this.startClientX = event.clientX; + this.startSlideX = parseFloat(this.frame.slide.style.left); - 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; - } + this.frame.style.cursor = 'move'; - // set the scale dependent on the ranges. - this._setScale(); + // add event listeners to handle moving the contents + // we store the function onmousemove and onmouseup in the graph, so we can + // remove the eventlisteners lateron in the function mouseUp() + var me = this; + this.onmousemove = function (event) {me._onMouseMove(event);}; + this.onmouseup = function (event) {me._onMouseUp(event);}; + util.addEventListener(document, 'mousemove', this.onmousemove); + util.addEventListener(document, 'mouseup', this.onmouseup); + util.preventDefault(event); }; + Slider.prototype.leftToIndex = function (left) { + var width = parseFloat(this.frame.bar.style.width) - + this.frame.slide.clientWidth - 10; + var x = left - 3; - /** - * 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 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; - var dataPoints = []; + return index; + }; - 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 + Slider.prototype.indexToLeft = function (index) { + var width = parseFloat(this.frame.bar.style.width) - + this.frame.slide.clientWidth - 10; - // 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; + var x = index / (this.values.length-1) * width; + var left = x + 3; - if (dataX.indexOf(x) === -1) { - dataX.push(x); - } - if (dataY.indexOf(y) === -1) { - dataY.push(y); - } - } + return left; + }; - 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); + Slider.prototype._onMouseMove = function (event) { + var diff = event.clientX - this.startClientX; + var x = this.startSlideX + diff; - if (dataMatrix[xIndex] === undefined) { - dataMatrix[xIndex] = []; - } + var index = this.leftToIndex(x); - var point3d = new Point3d(); - point3d.x = x; - point3d.y = y; - point3d.z = z; + this.setIndex(index); - obj = {}; - obj.point = point3d; - obj.trans = undefined; - obj.screen = undefined; - obj.bottom = new Point3d(x, y, this.zMin); + util.preventDefault(); + }; - dataMatrix[xIndex][yIndex] = obj; - dataPoints.push(obj); - } + Slider.prototype._onMouseUp = function (event) { + this.frame.style.cursor = 'auto'; - // 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; + // remove event listeners + util.removeEventListener(document, 'mousemove', this.onmousemove); + util.removeEventListener(document, 'mouseup', this.onmouseup); - if (this.colValue !== undefined) { - point.value = data[i][this.colValue] || 0; - } + util.preventDefault(); + }; - obj = {}; - obj.point = point; - obj.bottom = new Point3d(point.x, point.y, this.zMin); - obj.trans = undefined; - obj.screen = undefined; + module.exports = Slider; - dataPoints.push(obj); - } - } - return dataPoints; - }; +/***/ }, +/* 12 */ +/***/ function(module, exports, __webpack_require__) { /** - * 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. + * @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, ...) */ - 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); + function StepNumber(start, end, step, prettyStep) { + // set default values + this._start = 0; + this._end = 0; + this._step = 1; + this.prettyStep = true; + this.precision = 5; - // add the new graph to the container element - this.containerElement.appendChild(this.frame); + this._current = 0; + this.setRange(start, end, step, prettyStep); }; - /** - * 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%') + * 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, ...) */ - Graph3d.prototype.setSize = function(width, height) { - this.frame.style.width = width; - this.frame.style.height = height; + StepNumber.prototype.setRange = function(start, end, step, prettyStep) { + this._start = start ? start : 0; + this._end = end ? end : 0; - this._resizeCanvas(); + this.setStep(step, prettyStep); }; /** - * Resize the canvas to the current size of the frame + * 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, ...) */ - Graph3d.prototype._resizeCanvas = function() { - this.frame.canvas.style.width = '100%'; - this.frame.canvas.style.height = '100%'; + StepNumber.prototype.setStep = function(step, prettyStep) { + if (step === undefined || step <= 0) + return; - this.frame.canvas.width = this.frame.canvas.clientWidth; - this.frame.canvas.height = this.frame.canvas.clientHeight; + if (prettyStep !== undefined) + this.prettyStep = prettyStep; - // adjust with for margin - this.frame.filter.style.width = (this.frame.canvas.clientWidth - 2 * 10) + 'px'; + if (this.prettyStep === true) + this._step = StepNumber.calculatePrettyStep(step); + else + this._step = step; }; /** - * Start animation + * 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 */ - Graph3d.prototype.animationStart = function() { - if (!this.frame.filter || !this.frame.filter.slider) - throw 'No animation available'; + StepNumber.calculatePrettyStep = function (step) { + var log10 = function (x) {return Math.log(x) / Math.LN10;}; - this.frame.filter.slider.play(); - }; + // try three steps (multiple of 1, 2, or 5 + var step1 = Math.pow(10, Math.round(log10(step))), + step2 = 2 * Math.pow(10, Math.round(log10(step / 2))), + step5 = 5 * Math.pow(10, Math.round(log10(step / 5))); + // choose the best step (closest to minimum step) + var prettyStep = step1; + if (Math.abs(step2 - step) <= Math.abs(prettyStep - step)) prettyStep = step2; + if (Math.abs(step5 - step) <= Math.abs(prettyStep - step)) prettyStep = step5; - /** - * Stop animation - */ - Graph3d.prototype.animationStop = function() { - if (!this.frame.filter || !this.frame.filter.slider) return; + // for safety + if (prettyStep <= 0) { + prettyStep = 1; + } - this.frame.filter.slider.stop(); + return prettyStep; }; - /** - * 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 + * returns the current value of the step + * @return {Number} current value */ - 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 - } + StepNumber.prototype.getCurrent = function () { + return parseFloat(this._current.toPrecision(this.precision)); }; /** - * 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. + * returns the current step size + * @return {Number} current step size */ - 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(); + StepNumber.prototype.getStep = function () { + return this._step; }; + /** + * 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; + }; /** - * Retrieve the current camera rotation - * @return {object} An object with parameters horizontal, vertical, and - * distance + * Do a step, add the step size to the current value */ - Graph3d.prototype.getCameraPosition = function() { - var pos = this.camera.getArmRotation(); - pos.distance = this.camera.getArmLength(); - return pos; + StepNumber.prototype.next = function () { + this._current += this._step; }; /** - * Load data into the 3D Graph + * Returns true whether the end is reached + * @return {boolean} True if the current value has passed the end value. */ - Graph3d.prototype._readData = function(data) { - // read the data - this._dataInitialize(data, this.style); + StepNumber.prototype.end = function () { + return (this._current > this._end); + }; + module.exports = StepNumber; - 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(); - }; +/***/ }, +/* 13 */ +/***/ 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 ItemSet = __webpack_require__(27); /** - * Replace the dataset of the Graph3d - * @param {Array | DataSet | DataView} data + * 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 */ - Graph3d.prototype.setData = function (data) { - this._readData(data); - this.redraw(); + function Timeline (container, items, groups, options) { + if (!(this instanceof Timeline)) { + throw new SyntaxError('Constructor must be called with the new operator'); + } - // start animation when option is true - if (this.animationAutoStart && this.dataFilter) { - this.animationStart(); + // 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; } - }; - /** - * Update the options. Options will be merged with current options - * @param {Object} options - */ - Graph3d.prototype.setOptions = function (options) { - var cameraPosition = undefined; + var me = this; + this.defaultOptions = { + start: null, + end: null, - this.animationStop(); - - if (options !== undefined) { - // retrieve parameter values - if (options.width !== undefined) this.width = options.width; - if (options.height !== undefined) this.height = options.height; + autoResize: true, - if (options.xCenter !== undefined) this.defaultXCenter = options.xCenter; - if (options.yCenter !== undefined) this.defaultYCenter = options.yCenter; + orientation: 'bottom', + width: null, + height: null, + maxHeight: null, + minHeight: null + }; + this.options = util.deepExtend({}, this.defaultOptions); - 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; + // Create the DOM, props, and emitter + this._create(container); - if (options.xValueLabel !== undefined) this.xValueLabel = options.xValueLabel; - if (options.yValueLabel !== undefined) this.yValueLabel = options.yValueLabel; - if (options.zValueLabel !== undefined) this.zValueLabel = options.zValueLabel; + // all components listed here will be repainted automatically + this.components = []; - if (options.style !== undefined) { - var styleNumber = this._getStyleNumber(options.style); - if (styleNumber !== -1) { - this.style = styleNumber; - } + this.body = { + dom: this.dom, + domProps: this.props, + emitter: { + on: this.on.bind(this), + off: this.off.bind(this), + emit: this.emit.bind(this) + }, + hiddenDates: [], + util: { + snap: null, // will be specified after TimeAxis is created + toScreen: me._toScreen.bind(me), + toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width + toTime: me._toTime.bind(me), + toGlobalTime : me._toGlobalTime.bind(me) } - if (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; + // range + this.range = new Range(this.body); + this.components.push(this.range); + this.body.range = this.range; - if (options.xBarWidth !== undefined) this.defaultXBarWidth = options.xBarWidth; - if (options.yBarWidth !== undefined) this.defaultYBarWidth = options.yBarWidth; + // time axis + this.timeAxis = new TimeAxis(this.body); + this.components.push(this.timeAxis); + this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); - 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; + // current time bar + this.currentTime = new CurrentTime(this.body); + this.components.push(this.currentTime); - if (options.cameraPosition !== undefined) cameraPosition = options.cameraPosition; + // 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); - 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); - } - } + // item set + this.itemSet = new ItemSet(this.body); + this.components.push(this.itemSet); - this._setBackgroundColor(options && options.backgroundColor); + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet - this.setSize(this.width, this.height); + // apply options + if (options) { + this.setOptions(options); + } - // re-load the data - if (this.dataTable) { - this.setData(this.dataTable); + // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! + if (groups) { + this.setGroups(groups); } - // start animation when option is true - if (this.animationAutoStart && this.dataFilter) { - this.animationStart(); + // create itemset + if (items) { + this.setItems(items); } - }; + else { + this.redraw(); + } + } + + // Extend the functionality from Core + Timeline.prototype = new Core(); /** - * Redraw the Graph. + * Set items + * @param {vis.DataSet | Array | google.visualization.DataTable | null} items */ - Graph3d.prototype.redraw = function() { - if (this.dataPoints === undefined) { - throw 'Error: graph data not initialized'; + 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' + } + }); } - this._resizeCanvas(); - this._resizeCenter(); - this._redrawSlider(); - this._redrawClear(); - this._redrawAxis(); + // set items + this.itemsData = newDataSet; + this.itemSet && this.itemSet.setItems(newDataSet); - if (this.style === Graph3d.STYLE.GRID || - this.style === Graph3d.STYLE.SURFACE) { - this._redrawDataGrid(); + 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}); + } } - else if (this.style === Graph3d.STYLE.LINE) { - this._redrawDataLine(); + }; + + /** + * 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 (this.style === Graph3d.STYLE.BAR || - this.style === Graph3d.STYLE.BARCOLOR || - this.style === Graph3d.STYLE.BARSIZE) { - this._redrawDataBar(); + else if (groups instanceof DataSet || groups instanceof DataView) { + newDataSet = groups; } else { - // style is DOT, DOTLINE, DOTCOLOR, DOTSIZE - this._redrawDataDot(); + // turn an array into a dataset + newDataSet = new DataSet(groups); } - this._redrawInfo(); - this._redrawLegend(); + this.groupsData = newDataSet; + this.itemSet.setGroups(newDataSet); }; /** - * Clear the canvas before redrawing + * 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. */ - Graph3d.prototype._redrawClear = function() { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); + Timeline.prototype.setSelection = function(ids, options) { + this.itemSet && this.itemSet.setSelection(ids); - ctx.clearRect(0, 0, canvas.width, canvas.height); + if (options && options.focus) { + this.focus(ids, options); + } }; - /** - * Redraw the legend showing the colors + * Get the selected items by their id + * @return {Array} ids The ids of the selected items */ - Graph3d.prototype._redrawLegend = function() { - var y; + Timeline.prototype.getSelection = function() { + return this.itemSet && this.itemSet.getSelection() || []; + }; - if (this.style === Graph3d.STYLE.DOTCOLOR || - this.style === Graph3d.STYLE.DOTSIZE) { + /** + * 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 + */ + Timeline.prototype.focus = function(id, options) { + if (!this.itemsData || id == undefined) return; - var dotSize = this.frame.clientWidth * 0.02; + var ids = Array.isArray(id) ? id : [id]; - 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 + // get the specified item(s) + var itemsData = this.itemsData.getDataSet().get(ids, { + type: { + start: 'Date', + end: 'Date' } + }); - 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; - } - - 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); + // 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(); - ctx.strokeStyle = color; - ctx.beginPath(); - ctx.moveTo(left, top + y); - ctx.lineTo(right, top + y); - ctx.stroke(); + if (start === null || s < start) { + start = s; } - ctx.strokeStyle = this.colorAxis; - ctx.strokeRect(left, top, widthMax, height); - } - - 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(); + if (end === null || e > end) { + end = e; } - 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(); - - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = this.colorAxis; - ctx.fillText(step.getCurrent(), left - 2 * gridLineLen, y); + }); - step.next(); - } + 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); - ctx.textAlign = 'right'; - ctx.textBaseline = 'top'; - var label = this.legendLabel; - ctx.fillText(label, right, bottom + this.margin); + var animate = (options && options.animate !== undefined) ? options.animate : true; + this.range.setRange(middle - interval / 2, middle + interval / 2, animate); } }; /** - * Redraw the filter + * 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 */ - Graph3d.prototype._redrawFilter = function() { - this.frame.filter.innerHTML = ''; + Timeline.prototype.getItemRange = function() { + // calculate min from start filed + var dataset = this.itemsData.getDataSet(), + min = null, + max = null; - if (this.dataFilter) { - var options = { - 'visible': this.showAnimationControls - }; - var slider = new Slider(this.frame.filter, options); - this.frame.filter.slider = slider; + 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 - // TODO: css here is not nice here... - this.frame.filter.style.padding = '10px'; - //this.frame.filter.style.backgroundColor = '#EFEFEF'; + // 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()); + } + } + } - slider.setValues(this.dataFilter.values); - slider.setPlayInterval(this.animationInterval); + return { + min: (min != null) ? new Date(min) : null, + max: (max != null) ? new Date(max) : null + }; + }; - // create an event handler - var me = this; - var onchange = function () { - var index = slider.getIndex(); - me.dataFilter.selectValue(index); - me.dataPoints = me.dataFilter._getDataPoints(); + module.exports = Timeline; - me.redraw(); - }; - slider.setOnChangeCallback(onchange); - } - else { - this.frame.filter.slider = undefined; - } - }; - /** - * Redraw the slider - */ - Graph3d.prototype._redrawSlider = function() { - if ( this.frame.filter.slider !== undefined) { - this.frame.filter.slider.redraw(); - } - }; +/***/ }, +/* 14 */ +/***/ function(module, exports, __webpack_require__) { + var Emitter = __webpack_require__(56); + var Hammer = __webpack_require__(45); + var util = __webpack_require__(1); + var DataSet = __webpack_require__(3); + var DataView = __webpack_require__(4); + var Range = __webpack_require__(17); + var Core = __webpack_require__(46); + var TimeAxis = __webpack_require__(30); + var CurrentTime = __webpack_require__(21); + var CustomTime = __webpack_require__(22); + var LineGraph = __webpack_require__(29); /** - * Redraw common information + * 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 */ - 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); + function Graph2d (container, items, groups, options) { + // if the third element is options, the forth is groups (optionally); + if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) { + var forthArgument = options; + options = groups; + groups = forthArgument; } - }; + var me = this; + this.defaultOptions = { + start: null, + end: null, - /** - * 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; + autoResize: true, - // TODO: get the actual rendered style of the containerElement - //ctx.font = this.containerElement.style.font; - ctx.font = 24 / this.camera.getArmLength() + 'px arial'; + orientation: 'bottom', + width: null, + height: null, + maxHeight: null, + minHeight: null + }; + this.options = util.deepExtend({}, this.defaultOptions); - // 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; + // Create the DOM, props, and emitter + this._create(container); - // 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(); + // all components listed here will be repainted automatically + this.components = []; - 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(); + 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) } - 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(); - } + // range + this.range = new Range(this.body); + this.components.push(this.range); + this.body.range = this.range; - 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); + // time axis + this.timeAxis = new TimeAxis(this.body); + this.components.push(this.timeAxis); + this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); - step.next(); - } + // current time bar + this.currentTime = new CurrentTime(this.body); + this.components.push(this.currentTime); - // 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(); + // 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); - 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(); - } + // item set + this.linegraph = new LineGraph(this.body); + this.components.push(this.linegraph); - 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.itemsData = null; // DataSet + this.groupsData = null; // DataSet - step.next(); + // apply options + if (options) { + this.setOptions(options); } - // 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(); + // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! + if (groups) { + this.setGroups(groups); } - 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(); - - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = this.colorAxis; - ctx.fillText(this.zValueLabel(step.getCurrent()) + ' ', from.x - 5, from.y); - step.next(); + // create itemset + if (items) { + this.setItems(items); } - 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(); + else { + this.redraw(); + } + } - // 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(); + // Extend the functionality from Core + Graph2d.prototype = new Core(); - // 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(); + /** + * Set items + * @param {vis.DataSet | Array | google.visualization.DataTable | null} items + */ + Graph2d.prototype.setItems = function(items) { + var initialLoad = (this.itemsData == null); - // 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); + // 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' + } + }); } - // 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'; + // set items + this.itemsData = newDataSet; + this.linegraph && this.linegraph.setItems(newDataSet); + + 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 { - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; + this.fit({animate: false}); } - 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); } }; /** - * 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 + * Set groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groups */ - Graph3d.prototype._hsv2rgb = function(H, S, V) { - var R, G, B, C, Hi, X; - - C = V * S; - Hi = Math.floor(H/60); // hi = 0,1,2,3,4,5 - X = C * (1 - Math.abs(((H/60) % 2) - 1)); - - 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; + 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 { + // turn an array into a dataset + newDataSet = new DataSet(groups); } - return 'RGB(' + parseInt(R*255) + ',' + parseInt(G*255) + ',' + parseInt(B*255) + ')'; + this.groupsData = newDataSet; + this.linegraph.setGroups(newDataSet); }; - /** - * Draw all datapoints as a grid - * This function can be used when the style is 'grid' + * 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 */ - 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; - + 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 (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + /** + * This checks if the visible option of the supplied group (by ID) is true or false. + * @param groupId + * @returns {*} + */ + Graph2d.prototype.isGroupVisible = function(groupId) { + if (this.linegraph.groups[groupId] !== undefined) { + return (this.linegraph.groups[groupId].visible && (this.linegraph.options.groups.visibility[groupId] === undefined || this.linegraph.options.groups.visibility[groupId] == true)); + } + else { + return false; + } + } - // calculate the translations and screen position of all points - for (i = 0; i < this.dataPoints.length; i++) { - var trans = this._convertPointToTranslation(this.dataPoints[i].point); - var screen = this._convertTranslationToScreen(trans); - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; + /** + * 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 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; + // 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; + } + } + } } - // sort the points on depth of their (x,y) position (not on z) - var sortDepth = function (a, b) { - return b.dist - a.dist; + return { + min: (min != null) ? new Date(min) : null, + max: (max != null) ? new Date(max) : null }; - this.dataPoints.sort(sortDepth); + }; - 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 (point !== undefined && right !== undefined && top !== undefined && cross !== undefined) { - 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) + module.exports = Graph2d; - topSideVisible = (crossproduct.z > 0); - } - else { - topSideVisible = true; - } - if (topSideVisible) { - // calculate Hue from the current value. At zMin the hue is 240, at zMax the hue is 0 - zAvg = (point.point.z + right.point.z + top.point.z + cross.point.z) / 4; - h = (1 - (zAvg - this.zMin) * this.scale.z / this.verticalRatio) * 240; - s = 1; // saturation +/***/ }, +/* 15 */ +/***/ function(module, exports, __webpack_require__) { - 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; + /** + * Created by Alex on 10/3/2014. + */ + var moment = __webpack_require__(44); - ctx.lineWidth = lineWidth; - ctx.fillStyle = fillStyle; - ctx.strokeStyle = strokeStyle; - ctx.beginPath(); - ctx.moveTo(point.screen.x, point.screen.y); - ctx.lineTo(right.screen.x, right.screen.y); - ctx.lineTo(cross.screen.x, cross.screen.y); - ctx.lineTo(top.screen.x, top.screen.y); - ctx.closePath(); - ctx.fill(); - ctx.stroke(); - } - } - } - else { // grid style - for (i = 0; i < this.dataPoints.length; i++) { - point = this.dataPoints[i]; - right = this.dataPoints[i].pointRight; - top = this.dataPoints[i].pointTop; - if (point !== undefined) { - if (this.showPerspective) { - lineWidth = 2 / -point.trans.z; - } - else { - lineWidth = 2 * -(this.eye.z / this.camera.getArmLength()); + /** + * 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); } } - - 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; - - 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; - - 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(); - } - } - } - }; + body.hiddenDates.sort(function (a, b) { + return a.start - b.start; + }); // sort by start time + } + } + }; /** - * Draw all datapoints as dots. - * This function can be used when the style is 'dot' or 'dot-line' + * create new entrees for the repeating hidden dates + * @param body + * @param hiddenDates */ - Graph3d.prototype._redrawDataDot = function() { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); - var i; + exports.updateHiddenDates = function (body, hiddenDates) { + if (hiddenDates && body.domProps.centerContainer.width !== undefined) { + exports.convertHiddenOptions(body, hiddenDates); - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + var start = moment(body.range.start); + var end = moment(body.range.end); - // calculate the translations of all points - for (i = 0; i < this.dataPoints.length; i++) { - var trans = this._convertPointToTranslation(this.dataPoints[i].point); - var screen = this._convertTranslationToScreen(trans); - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; + var totalRange = (body.range.end - body.range.start); + var pixelTime = totalRange / body.domProps.centerContainer.width; - // 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 (var i = 0; i < hiddenDates.length; i++) { + if (hiddenDates[i].repeat !== undefined) { + var startDate = moment(hiddenDates[i].start); + var endDate = moment(hiddenDates[i].end); - // order the translated points by depth - var sortDepth = function (a, b) { - return b.dist - a.dist; - }; - this.dataPoints.sort(sortDepth); + 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); + } - // 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]; + var duration = endDate - startDate; + if (duration >= 4 * pixelTime) { - 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(); - } + 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'); - // 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; - } + endDate.dayOfYear(start.dayOfYear()); + endDate.year(start.year()); + endDate.subtract(7 - offset,'days'); - var radius; - if (this.showPerspective) { - radius = size / -point.trans.z; - } - else { - radius = size * -(this.eye.z / this.camera.getArmLength()); - } - if (radius < 0) { - radius = 0; - } + runUntil.add(1, 'weeks'); + break; + case "weekly": + var dayOffset = endDate.diff(startDate,'days') + var day = startDate.day(); - 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); - } + // set the start date to the range.start + startDate.date(start.date()); + startDate.month(start.month()); + startDate.year(start.year()); + endDate = startDate.clone(); - // 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(); - } - }; + // force + startDate.day(day); + endDate.day(day); + endDate.add(dayOffset,'days'); - /** - * 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; + startDate.subtract(1,'weeks'); + endDate.subtract(1,'weeks'); - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + 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'); - // 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; + endDate.month(start.month()); + endDate.year(start.year()); + endDate.subtract(1,'months'); + endDate.add(offset,'months'); - // 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; + 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); + } } - // order the translated points by depth - var sortDepth = function (a, b) { - return b.dist - a.dist; - }; - this.dataPoints.sort(sortDepth); + } - // 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]; - // 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); + /** + * remove duplicates from the hidden dates list. Duplicates are evil. They mess everything up. + * Scales with N^2 + * @param body + */ + exports.removeDuplicates = function(body) { + var hiddenDates = body.hiddenDates; + var safeDates = []; + for (var i = 0; i < hiddenDates.length; i++) { + for (var j = 0; j < hiddenDates.length; j++) { + if (i != j && hiddenDates[j].remove != true && hiddenDates[i].remove != true) { + // j inside i + if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { + hiddenDates[j].remove = true; + } + // j start inside i + else if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].start <= hiddenDates[i].end) { + hiddenDates[i].end = hiddenDates[j].end; + hiddenDates[j].remove = true; + } + // j end inside i + else if (hiddenDates[j].end >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { + hiddenDates[i].start = hiddenDates[j].start; + hiddenDates[j].remove = true; + } + } } + } - // 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); + for (var i = 0; i < hiddenDates.length; i++) { + if (hiddenDates[i].remove !== true) { + safeDates.push(hiddenDates[i]); } + } - // 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); - }); + body.hiddenDates = safeDates; + body.hiddenDates.sort(function (a, b) { + return a.start - b.start; + }); // sort by start time + } - // 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; + 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); + } + } - // 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}) + /** + * Used in TimeStep to avoid the hidden times. + * @param timeStep + * @param previousTime + */ + exports.stepOverHiddenDates = function(timeStep, previousTime) { + var stepInHidden = false; + var currentValue = timeStep.current.valueOf(); + for (var i = 0; i < timeStep.hiddenDates.length; i++) { + var startDate = timeStep.hiddenDates[i].start; + var endDate = timeStep.hiddenDates[i].end; + if (currentValue >= startDate && currentValue < endDate) { + stepInHidden = true; + break; } + } - // 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; - }); + 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;} - // 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(); - } + 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(); + // } + //}; + /** - * Draw a line through all datapoints. - * This function can be used when the style is 'line' + * replaces the Core toScreen methods + * @param Core + * @param time + * @param width + * @returns {number} */ - Graph3d.prototype._redrawDataLine = function() { - var canvas = this.frame.canvas, - ctx = canvas.getContext('2d'), - point, i; - - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? - - // 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; + 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; + } - // start the line - if (this.dataPoints.length > 0) { - point = this.dataPoints[0]; + var duration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); + time = exports.correctTimeForHidden(Core.body.hiddenDates, Core.range, time); - ctx.lineWidth = 1; // TODO: make customizable - ctx.strokeStyle = 'blue'; // TODO: make customizable - ctx.beginPath(); - ctx.moveTo(point.screen.x, point.screen.y); + var conversion = Core.range.conversion(width, duration); + return (time.valueOf() - conversion.offset) * conversion.scale; } + }; - // 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); + + /** + * 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 { + 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); - // finish the line - if (this.dataPoints.length > 0) { - ctx.stroke(); + var newTime = new Date(accumulatedHiddenDuration + partialDuration + Core.range.start); + return newTime; } }; + /** - * Start a moving operation inside the provided parent element - * @param {Event} event The event that occurred (required for - * retrieving the mouse position) + * Support function + * + * @param hiddenDates + * @param range + * @returns {number} */ - Graph3d.prototype._onMouseDown = function(event) { - event = event || window.event; - - // check if mouse is still down (may be up when focus is lost for example - // in an iframe) - if (this.leftButtonDown) { - this._onMouseUp(event); + 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; + } } - - // only react on left mouse button down - this.leftButtonDown = event.which ? (event.which === 1) : (event.button === 1); - if (!this.leftButtonDown && !this.touchDown) return; - - // 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(); - - 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); + return duration; }; /** - * Perform moving operating. - * This function activated from within the funcion Graph.mouseDown(). - * @param {Event} event Well, eehh, the event + * Support function + * @param hiddenDates + * @param range + * @param time + * @returns {{duration: number, time: *, offset: number}} */ - Graph3d.prototype._onMouseMove = function (event) { - event = event || window.event; - - // calculate change in mouse position - var diffX = parseFloat(getMouseX(event)) - this.startMouseX; - var diffY = parseFloat(getMouseY(event)) - this.startMouseY; - - var horizontalNew = this.startArmRotation.horizontal + diffX / 200; - var verticalNew = this.startArmRotation.vertical + diffY / 200; + exports.correctTimeForHidden = function(hiddenDates, range, time) { + time = moment(time).toDate().valueOf(); + time -= exports.getHiddenDurationBefore(hiddenDates,range,time); + return time; + }; - var snapAngle = 4; // degrees - var snapValue = Math.sin(snapAngle / 360 * 2 * Math.PI); + exports.getHiddenDurationBefore = function(hiddenDates, range, time) { + var timeOffset = 0; + time = moment(time).toDate().valueOf(); - // 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; + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; + // if time after the cutout, and the + if (startDate >= range.start && endDate < range.end) { + if (time >= endDate) { + timeOffset += (endDate - startDate); + } + } } + return timeOffset; + } - // 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; + /** + * 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}} + */ + exports.getAccumulatedHiddenDuration = function(hiddenDates, range, requiredDuration) { + var hiddenDuration = 0; + var duration = 0; + var previousPoint = range.start; + //exports.printDates(hiddenDates) + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; + // if time after the cutout, and the + if (startDate >= range.start && endDate < range.end) { + duration += startDate - previousPoint; + previousPoint = endDate; + if (duration >= requiredDuration) { + break; + } + else { + hiddenDuration += endDate - startDate; + } + } } - this.camera.setArmRotation(horizontalNew, verticalNew); - this.redraw(); - - // fire a cameraPositionChange event - var parameters = this.getCameraPosition(); - this.emit('cameraPositionChange', parameters); - - util.preventDefault(event); + return hiddenDuration; }; - /** - * 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; - - // remove event listeners here - util.removeEventListener(document, 'mousemove', this.onmousemove); - util.removeEventListener(document, 'mouseup', this.onmouseup); - util.preventDefault(event); - }; /** - * 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 + * 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 {*} */ - Graph3d.prototype._onTooltip = function (event) { - var delay = 300; // ms - var boundingRect = this.frame.getBoundingClientRect(); - var mouseX = getMouseX(event) - boundingRect.left; - var mouseY = getMouseY(event) - boundingRect.top; - - if (!this.showTooltip) { - return; - } - - if (this.tooltipTimeout) { - clearTimeout(this.tooltipTimeout); - } - - // (delayed) display of a tooltip only if no mouse button is down - if (this.leftButtonDown) { - this._hideTooltip(); - 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); + 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 { - this._hideTooltip(); + return isHidden.startDate - 1; + } + } + else { + if (correctionEnabled == true) { + return isHidden.endDate + (time - isHidden.startDate) + 1; + } + else { + return isHidden.endDate + 1; } } } 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); + return time; } - }; - - /** - * Event handler for touchstart event on mobile devices - */ - Graph3d.prototype._onTouchStart = function(event) { - this.touchDown = true; - - var me = this; - this.ontouchmove = function (event) {me._onTouchMove(event);}; - this.ontouchend = function (event) {me._onTouchEnd(event);}; - util.addEventListener(document, 'touchmove', me.ontouchmove); - util.addEventListener(document, 'touchend', me.ontouchend); - this._onMouseDown(event); - }; + } - /** - * Event handler for touchmove event on mobile devices - */ - Graph3d.prototype._onTouchMove = function(event) { - this._onMouseMove(event); - }; /** - * Event handler for touchend event on mobile devices + * Check if a time is hidden + * + * @param time + * @param hiddenDates + * @returns {{hidden: boolean, startDate: Window.start, endDate: *}} */ - Graph3d.prototype._onTouchEnd = function(event) { - this.touchDown = false; - - util.removeEventListener(document, 'touchmove', this.ontouchmove); - util.removeEventListener(document, 'touchend', this.ontouchend); + exports.isHidden = function(time, hiddenDates) { + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; - this._onMouseUp(event); - }; + if (time >= startDate && time < endDate) { // if the start is entering a hidden zone + return {hidden: true, startDate: startDate, endDate: endDate}; + break; + } + } + return {hidden: false, startDate: startDate, endDate: endDate}; + } +/***/ }, +/* 16 */ +/***/ function(module, exports, __webpack_require__) { /** - * Event handler for mouse wheel event, used to zoom the graph - * Code from http://adomas.org/javascript-mouse-wheel/ - * @param {event} event The event + * @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 */ - Graph3d.prototype._onWheel = function(event) { - if (!event) /* For IE. */ - event = window.event; + function DataStep(start, end, minimumStep, containerHeight, customRange, alignZeros) { + // variables + this.current = 0; - // 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; - } + this.autoScale = true; + this.stepIndex = 0; + this.step = 1; + this.scale = 1; - // If delta is nonzero, handle it. - // Basically, delta is now positive if wheel was scrolled up, - // and negative, if wheel was scrolled down. - if (delta) { - var oldLength = this.camera.getArmLength(); - var newLength = oldLength * (1 - delta / 10); + this.marginStart; + this.marginEnd; + this.deadSpace = 0; - this.camera.setArmLength(newLength); - this.redraw(); + this.majorSteps = [1, 2, 5, 10]; + this.minorSteps = [0.25, 0.5, 1, 2]; - this._hideTooltip(); - } + this.alignZeros = alignZeros; + + this.setRange(start, end, minimumStep, containerHeight, customRange); + } - // 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); - }; /** - * 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 + * 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 */ - Graph3d.prototype._insideTriangle = function (point, triangle) { - var a = triangle[0], - b = triangle[1], - c = triangle[2]; + 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; - function sign (x) { - return x > 0 ? 1 : x < 0 ? -1 : 0; + if (this._start == this._end) { + this._start -= 0.75; + this._end += 1; } - 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 (this.autoScale == true) { + this.setMinimumStep(minimumStep, containerHeight); + } - // 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); + this.setFirst(customRange); }; /** - * 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 + * Automatically determine the scale that bests fits the provided minimum step + * @param {Number} [minimumStep] The minimum step size in milliseconds */ - Graph3d.prototype._dataPointFromXY = function (x, y) { - var i, - distMax = 100, // px - dataPoint = null, - closestDataPoint = null, - closestDist = null, - center = new Point2d(x, y); + 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); - 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; - } - } - } - } + var minorStepIdx = -1; + var magnitudefactor = Math.pow(10,orderOfMagnitude); + + var start = 0; + if (orderOfMagnitude < 0) { + start = orderOfMagnitude; } - 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; - } + 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; + } } + this.stepIndex = minorStepIdx; + this.scale = magnitudefactor; + this.step = magnitudefactor * this.minorSteps[minorStepIdx]; + }; - return closestDataPoint; - }; /** - * Display a tooltip for given data point - * @param {Object} dataPoint - * @private + * Round the current date to the first minor date value + * This must be executed once when the current date is set to start Date */ - Graph3d.prototype._showTooltip = function (dataPoint) { - var content, line, dot; + DataStep.prototype.setFirst = function(customRange) { + if (customRange === undefined) { + customRange = {}; + } - 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)'; + 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; - line = document.createElement('div'); - line.style.position = 'absolute'; - line.style.height = '40px'; - line.style.width = '0'; - line.style.borderLeft = '1px solid #4d4d4d'; + this.marginEnd = customRange.max === undefined ? this.roundToMinor(niceEnd) : customRange.max; + this.marginStart = customRange.min === undefined ? this.roundToMinor(niceStart) : customRange.min; - 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 we need to align the zero's we need to make sure that there is a zero to use. + if (this.alignZeros == true && (this.marginEnd - this.marginStart) % this.step != 0) { + this.marginEnd += this.marginEnd % this.step; + } - this.tooltip = { - dataPoint: null, - dom: { - content: content, - line: line, - dot: dot - } - }; + this.deadSpace = this.roundToMinor(niceEnd) - niceEnd + this.roundToMinor(niceStart) - niceStart; + this.marginRange = this.marginEnd - this.marginStart; + + + this.current = this.marginEnd; + }; + + DataStep.prototype.roundToMinor = function(value) { + var rounded = value - (value % (this.scale * this.minorSteps[this.stepIndex])); + if (value % (this.scale * this.minorSteps[this.stepIndex]) > 0.5 * (this.scale * this.minorSteps[this.stepIndex])) { + return rounded + (this.scale * this.minorSteps[this.stepIndex]); } else { - content = this.tooltip.dom.content; - line = this.tooltip.dom.line; - dot = this.tooltip.dom.dot; + return rounded; } + } - 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); + /** + * 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); + }; - // calculate sizes - var contentWidth = content.offsetWidth; - var contentHeight = content.offsetHeight; - var lineHeight = line.offsetHeight; - var dotWidth = dot.offsetWidth; - var dotHeight = dot.offsetHeight; + /** + * Do the next step + */ + DataStep.prototype.next = function() { + var prev = this.current; + this.current -= this.step; - var left = dataPoint.screen.x - contentWidth / 2; - left = Math.min(Math.max(left, 10), this.frame.clientWidth - 10 - contentWidth); + // safety mechanism: if current time is still unchanged, move to the end + if (this.current == prev) { + this.current = this._end; + } + }; - 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'; + /** + * Do the next step + */ + DataStep.prototype.previous = function() { + this.current += this.step; + this.marginEnd += this.step; + this.marginRange = this.marginEnd - this.marginStart; }; + + /** - * Hide the tooltip when displayed - * @private + * Get the current datetime + * @return {String} current The current date */ - Graph3d.prototype._hideTooltip = function () { - if (this.tooltip) { - this.tooltip.dataPoint = null; + 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); - 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); + // 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 { + 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; }; - /**--------------------------------------------------------------------------**/ /** - * Get the horizontal mouse position from a mouse event - * @param {Event} event - * @return {Number} mouse x + * 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 */ - function getMouseX (event) { - if ('clientX' in event) return event.clientX; - return event.targetTouches[0] && event.targetTouches[0].clientX || 0; - } + DataStep.prototype.snap = function(date) { + + }; /** - * Get the vertical mouse position from a mouse event - * @param {Event} event - * @return {Number} mouse y + * 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. */ - function getMouseY (event) { - if ('clientY' in event) return event.clientY; - return event.targetTouches[0] && event.targetTouches[0].clientY || 0; - } + DataStep.prototype.isMajor = function() { + return (this.current % (this.scale * this.majorSteps[this.stepIndex]) == 0); + }; - module.exports = Graph3d; + module.exports = DataStep; /***/ }, -/* 11 */ +/* 17 */ /***/ 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); + /** - * Expose `Emitter`. + * @constructor Range + * A Range controls a numeric range with a start and end value. + * The Range adjusts the range based on mouse events or programmatic changes, + * and triggers events when the range is changing or has been changed. + * @param {{dom: Object, domProps: Object, emitter: Emitter}} body + * @param {Object} [options] See description at Range.setOptions */ + function 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 - module.exports = Emitter; + 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); + + this.props = { + touch: {} + }; + 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); + } + + Range.prototype = new Component(); /** - * Initialize a new `Emitter`. - * - * @api public + * 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); - function Emitter(obj) { - if (obj) return mixin(obj); + if ('start' in options || 'end' in options) { + // apply a new range. both start and end are optional + this.setRange(options.start, options.end); + } + } }; /** - * Mixin the emitter properties. - * - * @param {Object} obj - * @return {Object} - * @api private + * Test whether direction has a valid value + * @param {String} direction 'horizontal' or 'vertical' */ - - function mixin(obj) { - for (var key in Emitter.prototype) { - obj[key] = Emitter.prototype[key]; + function validateDirection (direction) { + if (direction != 'horizontal' && direction != 'vertical') { + throw new TypeError('Unknown direction "' + direction + '". ' + + 'Choose "horizontal" or "vertical".'); } - return obj; } /** - * Listen on the given `event` with `fn`. + * 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 {String} event - * @param {Function} fn - * @return {Emitter} - * @api public */ + 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(); - Emitter.prototype.on = - Emitter.prototype.addEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - (this._callbacks[event] = this._callbacks[event] || []) - .push(fn); - return this; - }; + 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; - /** - * Adds an `event` listener that will be invoked a single - * time then automatically removed. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ + var 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); - Emitter.prototype.once = function(event, fn){ - var self = this; - this._callbacks = this._callbacks || {}; + 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)}); + } - function on() { - self.off(event, on); - fn.apply(this, arguments); + 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 { + 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); + } } + }; - on.fn = fn; - this.on(event, on); - return this; + /** + * Stop an animation + * @private + */ + Range.prototype._cancelAnimation = function () { + if (this.animateTimer) { + clearTimeout(this.animateTimer); + this.animateTimer = null; + } }; /** - * Remove the given callback for `event` or all - * registered callbacks. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public + * 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; - Emitter.prototype.off = - Emitter.prototype.removeListener = - Emitter.prototype.removeAllListeners = - Emitter.prototype.removeEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; + // 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 + '"'); + } - // all - if (0 == arguments.length) { - this._callbacks = {}; - return this; + // prevent start < end + if (newEnd < newStart) { + newEnd = newStart; } - // specific event - var callbacks = this._callbacks[event]; - if (!callbacks) return this; + // prevent start < min + if (min !== null) { + if (newStart < min) { + diff = (min - newStart); + newStart += diff; + newEnd += diff; - // remove all handlers - if (1 == arguments.length) { - delete this._callbacks[event]; - return this; + // prevent end > max + if (max != null) { + if (newEnd > max) { + newEnd = max; + } + } + } } - // 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; + // prevent end > max + if (max !== null) { + if (newEnd > max) { + diff = (newEnd - max); + newStart -= diff; + newEnd -= diff; + + // prevent start < min + if (min != null) { + if (newStart < min) { + newStart = min; + } + } } } - return this; - }; - - /** - * Emit `event` with the given args. - * - * @param {String} event - * @param {Mixed} ... - * @return {Emitter} - */ - Emitter.prototype.emit = function(event){ - this._callbacks = this._callbacks || {}; - var args = [].slice.call(arguments, 1) - , callbacks = this._callbacks[event]; + // prevent (end-start) < zoomMin + if (this.options.zoomMin !== null) { + var zoomMin = parseFloat(this.options.zoomMin); + if (zoomMin < 0) { + zoomMin = 0; + } + if ((newEnd - newStart) < zoomMin) { + if ((this.end - this.start) === zoomMin) { + // ignore this action, we are already zoomed to the minimum + newStart = this.start; + newEnd = this.end; + } + else { + // zoom to the minimum + diff = (zoomMin - (newEnd - newStart)); + newStart -= diff / 2; + newEnd += diff / 2; + } + } + } - if (callbacks) { - callbacks = callbacks.slice(0); - for (var i = 0, len = callbacks.length; i < len; ++i) { - callbacks[i].apply(this, args); + // 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; + } } } - return this; - }; + var changed = (this.start != newStart || this.end != newEnd); - /** - * Return array of callbacks for `event`. - * - * @param {String} event - * @return {Array} - * @api public - */ + // 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'); + } - Emitter.prototype.listeners = function(event){ - this._callbacks = this._callbacks || {}; - return this._callbacks[event] || []; + this.start = newStart; + this.end = newEnd; + return changed; }; /** - * Check if this emitter has `event` handlers. - * - * @param {String} event - * @return {Boolean} - * @api public - */ - - Emitter.prototype.hasListeners = function(event){ - return !! this.listeners(event).length; - }; - - -/***/ }, -/* 12 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * @prototype Point3d - * @param {Number} [x] - * @param {Number} [y] - * @param {Number} [z] - */ - function Point3d(x, y, z) { - this.x = x !== undefined ? x : 0; - this.y = y !== undefined ? y : 0; - this.z = z !== undefined ? z : 0; - }; - - /** - * Subtract the two provided points, returns a-b - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} a-b + * Retrieve the current range. + * @return {Object} An object with start and end properties */ - 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; + Range.prototype.getRange = function() { + return { + start: this.start, + end: this.end + }; }; /** - * Add the two provided points, returns a+b - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} a+b + * Calculate the conversion offset and scale for current range, based on + * the provided width + * @param {Number} width + * @returns {{offset: number, scale: number}} conversion */ - 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; + Range.prototype.conversion = function (width, totalHidden) { + return Range.conversion(this.start, this.end, width, totalHidden); }; /** - * Calculate the average of two 3d points - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} The average, (a+b)/2 + * 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 */ - Point3d.avg = function(a, b) { - return new Point3d( - (a.x + b.x) / 2, - (a.y + b.y) / 2, - (a.z + b.z) / 2 - ); + Range.conversion = function (start, end, width, totalHidden) { + if (totalHidden === undefined) { + totalHidden = 0; + } + if (width != 0 && (end - start != 0)) { + return { + offset: start, + scale: width / (end - start - totalHidden) + } + } + else { + return { + offset: 0, + scale: 1 + }; + } }; /** - * 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 + * Start dragging horizontally or vertically + * @param {Event} event + * @private */ - Point3d.crossProduct = function(a, b) { - var crossproduct = new Point3d(); - - crossproduct.x = a.y * b.z - a.z * b.y; - crossproduct.y = a.z * b.x - a.x * b.z; - crossproduct.z = a.x * b.y - a.y * b.x; + Range.prototype._onDragStart = function(event) { + this.deltaDifference = 0; + this.previousDelta = 0; + // only allow dragging when configured as movable + if (!this.options.moveable) return; - return crossproduct; - }; + // refuse to drag when we where pinching to prevent the timeline make a jump + // when releasing the fingers in opposite order from the touch screen + if (!this.props.touch.allowDragging) return; + this.props.touch.start = this.start; + this.props.touch.end = this.end; + this.props.touch.dragging = true; - /** - * 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 - ); + if (this.body.dom.root) { + this.body.dom.root.style.cursor = 'move'; + } }; - module.exports = Point3d; - - -/***/ }, -/* 13 */ -/***/ function(module, exports, __webpack_require__) { - /** - * @prototype Point2d - * @param {Number} [x] - * @param {Number} [y] + * Perform dragging operation + * @param {Event} event + * @private */ - function Point2d (x, y) { - this.x = x !== undefined ? x : 0; - this.y = y !== undefined ? y : 0; - } - - module.exports = Point2d; + 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; + var direction = this.options.direction; + validateDirection(direction); -/***/ }, -/* 14 */ -/***/ function(module, exports, __webpack_require__) { + var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY; + delta -= this.deltaDifference; + var interval = (this.props.touch.end - this.props.touch.start); - var Point3d = __webpack_require__(12); + // normalize dragging speed if cutout is in between. + var duration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + interval -= duration; - /** - * @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; + 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.cameraLocation = new Point3d(); - this.cameraRotation = new Point3d(0.5*Math.PI, 0, 0); - this.calculateCameraOrientation(); - } + // 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; + } - /** - * 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; + this.previousDelta = delta; + this._applyRange(newStart, newEnd); - this.calculateCameraOrientation(); + // fire a rangechange event + this.body.emitter.emit('rangechange', { + start: new Date(this.start), + end: new Date(this.end) + }); }; /** - * 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. + * Stop dragging operation + * @param {event} event + * @private */ - Camera.prototype.setArmRotation = function(horizontal, vertical) { - if (horizontal !== undefined) { - this.armRotation.horizontal = horizontal; - } + Range.prototype._onDragEnd = function (event) { + // only allow dragging when configured as movable + if (!this.options.moveable) return; - 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; - } + // 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; - if (horizontal !== undefined || vertical !== undefined) { - this.calculateCameraOrientation(); + this.props.touch.dragging = false; + if (this.body.dom.root) { + this.body.dom.root.style.cursor = 'auto'; } + + // fire a rangechanged event + this.body.emitter.emit('rangechanged', { + start: new Date(this.start), + end: new Date(this.end) + }); }; /** - * Retrieve the current arm rotation - * @return {object} An object with parameters horizontal and vertical + * Event handler for mouse wheel event, used to zoom + * Code from http://adomas.org/javascript-mouse-wheel/ + * @param {Event} event + * @private */ - Camera.prototype.getArmRotation = function() { - var rot = {}; - rot.horizontal = this.armRotation.horizontal; - rot.vertical = this.armRotation.vertical; + Range.prototype._onMouseWheel = function(event) { + // only allow zooming when configured as zoomable and moveable + if (!(this.options.zoomable && this.options.moveable)) return; - return rot; - }; + // 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; + } - /** - * 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; + // 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 - this.armLength = length; + // adjust a negative delta such that zooming in with delta 0.1 + // equals zooming out with a delta -0.1 + var scale; + if (delta < 0) { + scale = 1 - (delta / 5); + } + else { + scale = 1 / (1 + (delta / 5)) ; + } - // 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; + // calculate center, the date to zoom around + var gesture = hammerUtil.fakeGesture(this, event), + pointer = getPointer(gesture.center, this.body.dom.center), + pointerDate = this._pointerToDate(pointer); - this.calculateCameraOrientation(); - }; + this.zoom(scale, pointerDate, delta); + } - /** - * Retrieve the arm length - * @return {Number} length - */ - Camera.prototype.getArmLength = function() { - return this.armLength; + // Prevent default actions caused by mouse wheel + // (else the page and timeline both zoom and scroll) + event.preventDefault(); }; /** - * Retrieve the camera location - * @return {Point3d} cameraLocation + * Start of a touch gesture + * @private */ - Camera.prototype.getCameraLocation = function() { - return this.cameraLocation; + 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; }; /** - * Retrieve the camera rotation - * @return {Point3d} cameraRotation + * On start of a hold gesture + * @private */ - Camera.prototype.getCameraRotation = function() { - return this.cameraRotation; + Range.prototype._onHold = function () { + this.props.touch.allowDragging = false; }; /** - * Calculate the location and rotation of the camera based on the - * position and orientation of the camera arm + * Handle pinch event + * @param {Event} event + * @private */ - 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); + Range.prototype._onPinch = function (event) { + // only allow zooming when configured as zoomable and moveable + if (!(this.options.zoomable && this.options.moveable)) return; - // calculate rotation of the camera - this.cameraRotation.x = Math.PI/2 - this.armRotation.vertical; - this.cameraRotation.y = 0; - this.cameraRotation.z = -this.armRotation.horizontal; - }; + this.props.touch.allowDragging = false; - module.exports = Camera; + if (event.gesture.touches.length > 1) { + if (!this.props.touch.center) { + this.props.touch.center = getPointer(event.gesture.center, this.body.dom.center); + } -/***/ }, -/* 15 */ -/***/ function(module, exports, __webpack_require__) { + var scale = 1 / (event.gesture.scale + this.scaleOffset); + var centerDate = this._pointerToDate(this.props.touch.center); - var DataView = __webpack_require__(9); + var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, centerDate); + var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; - /** - * @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 + // 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; - this.index = undefined; - this.value = undefined; + // 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 - // read all distinct values and select the first one - this.values = graph.getDistinctValues(data.get(), this.column); + 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; + } - // sort both numeric and string values correctly - this.values.sort(function (a, b) { - return a > b ? 1 : a < b ? -1 : 0; - }); + this.setRange(newStart, newEnd); - if (this.values.length > 0) { - this.selectValue(0); + this.startToFront = false; // revert to default + this.endToFront = true; // revert to default } + }; - // create an array with the filtered datapoints. this will be loaded afterwards - this.dataPoints = []; + /** + * Helper function to calculate the center date for zooming + * @param {{x: Number, y: Number}} pointer + * @return {number} date + * @private + */ + Range.prototype._pointerToDate = function (pointer) { + var conversion; + var direction = this.options.direction; - this.loaded = false; - this.onLoadCallback = undefined; + validateDirection(direction); - if (graph.animationPreload) { - this.loaded = false; - this.loadInBackground(); + if (direction == 'horizontal') { + return this.body.util.toTime(pointer.x).valueOf(); } else { - this.loaded = true; + var height = this.body.domProps.center.height; + conversion = this.conversion(height); + return pointer.y / conversion.scale + conversion.offset; } }; - /** - * Return the label - * @return {string} label + * 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 */ - Filter.prototype.isLoaded = function() { - return this.loaded; - }; - + function getPointer (touch, element) { + return { + x: touch.pageX - util.getAbsoluteLeft(element), + y: touch.pageY - util.getAbsoluteTop(element) + }; + } /** - * Return the loaded progress - * @return {Number} percentage between 0 and 100 + * 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. */ - Filter.prototype.getLoadedProgress = function() { - var len = this.values.length; + Range.prototype.zoom = function(scale, center, delta) { + // if centerDate is not provided, take it half between start Date and end Date + if (center == null) { + center = (this.start + this.end) / 2; + } - var i = 0; - while (this.dataPoints[i]) { - i++; + var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); + var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + + // calculate new start and end + var newStart = (center-hiddenDurationBefore) + (this.start - (center-hiddenDurationBefore)) * scale; + var newEnd = (center+hiddenDurationAfter) + (this.end - (center+hiddenDurationAfter)) * scale; + + // snapping times away from hidden zones + this.startToFront = delta > 0 ? false : true; // used to do the right autocorrection with periodic hidden times + this.endToFront = -delta > 0 ? false : true; // used to do the right autocorrection with periodic hidden times + var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, delta, true); + var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, -delta, true); + if (safeStart != newStart || safeEnd != newEnd) { + newStart = safeStart; + newEnd = safeEnd; } - return Math.round(i / len * 100); + this.setRange(newStart, newEnd); + + this.startToFront = false; // revert to default + this.endToFront = true; // revert to default }; + /** - * Return the label - * @return {string} label + * 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 */ - Filter.prototype.getLabel = function() { - return this.graph.filterLabel; - }; + 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; - /** - * Return the columnIndex of the filter - * @return {Number} columnIndex - */ - Filter.prototype.getColumn = function() { - return this.column; - }; - - /** - * Return the currently selected value. Returns undefined if there is no selection - * @return {*} value - */ - Filter.prototype.getSelectedValue = function() { - if (this.index === undefined) - return undefined; - - return this.values[this.index]; - }; - - /** - * Retrieve all values of the filter - * @return {Array} values - */ - Filter.prototype.getValues = function() { - return this.values; - }; - - /** - * 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'; + // TODO: reckon with min and max range - return this.values[index]; + this.start = newStart; + this.end = newEnd; }; - /** - * Retrieve the (filtered) dataPoints for the currently selected filter index - * @param {Number} [index] (optional) - * @return {Array} dataPoints + * Move the range to a new center point + * @param {Number} moveTo New center point of the range */ - Filter.prototype._getDataPoints = function(index) { - if (index === undefined) - index = this.index; + Range.prototype.moveTo = function(moveTo) { + var center = (this.start + this.end) / 2; - if (index === undefined) - return []; + var diff = center - moveTo; - var dataPoints; - if (this.dataPoints[index]) { - dataPoints = this.dataPoints[index]; - } - else { - var f = {}; - f.column = this.column; - f.value = this.values[index]; + // calculate new start and end + var newStart = this.start - diff; + var newEnd = this.end - diff; - var dataView = new DataView(this.data,{filter: function (item) {return (item[f.column] == f.value);}}).get(); - dataPoints = this.graph._getDataPoints(dataView); + this.setRange(newStart, newEnd); + }; - this.dataPoints[index] = dataPoints; - } + module.exports = Range; - return dataPoints; - }; +/***/ }, +/* 18 */ +/***/ 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 /** - * Set a callback function when the filter is fully loaded. + * Order items by their start data + * @param {Item[]} items */ - Filter.prototype.setOnLoadCallback = function(callback) { - this.onLoadCallback = callback; + exports.orderByStart = function(items) { + items.sort(function (a, b) { + return a.data.start - b.data.start; + }); }; - /** - * Add a value to the list with available values for this filter - * No double entries will be created. - * @param {Number} index + * Order items by their end date. If they have no end date, their start date + * is used. + * @param {Item[]} items */ - Filter.prototype.selectValue = function(index) { - if (index >= this.values.length) - throw 'Error: index out of range'; + 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; - this.index = index; - this.value = this.values[index]; + return aTime - bTime; + }); }; /** - * Load all filtered rows in the background one by one - * Start this method without providing an index! + * 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.prototype.loadInBackground = function(index) { - if (index === undefined) - index = 0; + exports.stack = function(items, margin, force) { + var i, iMax; - var frame = this.graph.frame; + if (force) { + // reset top position of all items + for (i = 0, iMax = items.length; i < iMax; i++) { + items[i].top = null; + } + } - if (index < this.values.length) { - var dataPointsTemp = this._getDataPoints(index); - //this.graph.redrawInfo(); // TODO: not neat + // 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; - // 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'; + 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; + } + } - var me = this; - setTimeout(function() {me.loadInBackground(index+1);}, 10); - this.loaded = false; + 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); + } } - else { - this.loaded = true; + }; - // remove the progress box - if (frame.progress !== undefined) { - frame.removeChild(frame.progress); - frame.progress = undefined; - } - if (this.onLoadCallback) - this.onLoadCallback(); + /** + * 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; + + // 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; + } } }; - module.exports = Filter; + /** + * 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); + }; /***/ }, -/* 16 */ +/* 19 */ /***/ function(module, exports, __webpack_require__) { + var moment = __webpack_require__(44); + var DateUtil = __webpack_require__(15); var util = __webpack_require__(1); /** - * @constructor Slider + * @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. * - * 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. + * If minimumStep is provided, the step size is chosen as close as possible + * to the minimumStep but larger than minimumStep. If minimumStep is not + * provided, the scale is set to 1 DAY. + * The minimumStep should correspond with the onscreen size of about 6 characters + * + * Alternatively, you can set a scale by hand. + * After creation, you can initialize the class by executing first(). Then you + * can iterate from the start date to the end date via next(). You can check if + * the end date is reached with the function hasNext(). After each step, you can + * retrieve the current date via getCurrent(). + * The TimeStep has scales ranging from milliseconds, seconds, minutes, hours, + * days, to years. + * + * Version: 1.2 + * + * @param {Date} [start] The start date, for example new Date(2010, 9, 21) + * or new Date(2010, 9, 21, 23, 45, 00) + * @param {Date} [end] The end date + * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds */ - function 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); - - this.frame.prev = document.createElement('INPUT'); - this.frame.prev.type = 'BUTTON'; - this.frame.prev.value = 'Prev'; - this.frame.appendChild(this.frame.prev); - - this.frame.play = document.createElement('INPUT'); - this.frame.play.type = 'BUTTON'; - this.frame.play.value = 'Play'; - this.frame.appendChild(this.frame.play); - - this.frame.next = document.createElement('INPUT'); - this.frame.next.type = 'BUTTON'; - this.frame.next.value = 'Next'; - this.frame.appendChild(this.frame.next); + function TimeStep(start, end, minimumStep, hiddenDates) { + // variables + this.current = new Date(); + this._start = new Date(); + this._end = new Date(); - this.frame.bar = document.createElement('INPUT'); - this.frame.bar.type = 'BUTTON'; - this.frame.bar.style.position = 'absolute'; - this.frame.bar.style.border = '1px solid red'; - this.frame.bar.style.width = '100px'; - this.frame.bar.style.height = '6px'; - this.frame.bar.style.borderRadius = '2px'; - this.frame.bar.style.MozBorderRadius = '2px'; - this.frame.bar.style.border = '1px solid #7F7F7F'; - this.frame.bar.style.backgroundColor = '#E5E5E5'; - this.frame.appendChild(this.frame.bar); + this.autoScale = true; + this.scale = 'day'; + this.step = 1; - 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); + // initialize the range + this.setRange(start, end, minimumStep); - // 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);}; + // hidden Dates options + this.switchedDay = false; + this.switchedMonth = false; + this.switchedYear = false; + this.hiddenDates = hiddenDates; + if (hiddenDates === undefined) { + this.hiddenDates = []; } - this.onChangeCallback = undefined; - - this.values = []; - this.index = undefined; - - this.playTimeout = undefined; - this.playInterval = 1000; // milliseconds - this.playLoop = true; + this.format = TimeStep.FORMAT; // default formatting } - /** - * Select the previous index - */ - Slider.prototype.prev = function() { - var index = this.getIndex(); - if (index > 0) { - index--; - this.setIndex(index); + // 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: '' } }; /** - * Select the next index + * 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 */ - Slider.prototype.next = function() { - var index = this.getIndex(); - if (index < this.values.length - 1) { - index++; - this.setIndex(index); - } + TimeStep.prototype.setFormat = function (format) { + var defaultFormat = util.deepExtend({}, TimeStep.FORMAT); + this.format = util.deepExtend(defaultFormat, format); }; /** - * Select the next index + * 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 */ - 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); + TimeStep.prototype.setRange = function(start, end, minimumStep) { + if (!(start instanceof Date) || !(end instanceof Date)) { + throw "No legal start or end date in method setRange"; } - var end = new Date(); - var diff = (end - start); - - // 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 me = this; - this.playTimeout = setTimeout(function() {me.playNext();}, interval); - }; + this._start = (start != undefined) ? new Date(start.valueOf()) : new Date(); + this._end = (end != undefined) ? new Date(end.valueOf()) : new Date(); - /** - * Toggle start or stop playing - */ - Slider.prototype.togglePlay = function() { - if (this.playTimeout === undefined) { - this.play(); - } else { - this.stop(); + if (this.autoScale) { + this.setMinimumStep(minimumStep); } }; /** - * Start playing + * Set the range iterator to the start date. */ - Slider.prototype.play = function() { - // Test whether already playing - if (this.playTimeout) return; - - this.playNext(); - - if (this.frame) { - this.frame.play.value = 'Stop'; - } + TimeStep.prototype.first = function() { + this.current = new Date(this._start.valueOf()); + this.roundToMinor(); }; /** - * Stop playing + * Round the current date to the first minor date value + * This must be executed once when the current date is set to start Date */ - Slider.prototype.stop = function() { - clearInterval(this.playTimeout); - this.playTimeout = undefined; - - if (this.frame) { - this.frame.play.value = 'Play'; + 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 } - }; - - /** - * 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; - }; - /** - * Set the interval for playing the list - * @param {Number} interval The interval in milliseconds - */ - Slider.prototype.setPlayInterval = function(interval) { - this.playInterval = interval; + 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; + } + } }; /** - * Retrieve the current play interval - * @return {Number} interval The interval in milliseconds + * Check if the there is a next step + * @return {boolean} true if the current date has not passed the end date */ - Slider.prototype.getPlayInterval = function(interval) { - return this.playInterval; + TimeStep.prototype.hasNext = function () { + return (this.current.valueOf() <= this._end.valueOf()); }; /** - * 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. + * Do the next step */ - Slider.prototype.setPlayLoop = function(doLoop) { - this.playLoop = doLoop; - }; + 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': - /** - * Execute the onchange callback function - */ - Slider.prototype.onChange = function() { - if (this.onChangeCallback !== undefined) { - this.onChangeCallback(); + this.current = new Date(this.current.valueOf() + this.step); break; + case 'second': this.current = new Date(this.current.valueOf() + this.step * 1000); break; + case 'minute': this.current = new Date(this.current.valueOf() + this.step * 1000 * 60); break; + case 'hour': + this.current = new Date(this.current.valueOf() + this.step * 1000 * 60 * 60); + // in case of skipping an hour for daylight savings, adjust the hour again (else you get: 0h 5h 9h ... instead of 0h 4h 8h ...) + var h = this.current.getHours(); + this.current.setHours(h - (h % this.step)); + break; + case 'weekday': // intentional fall through + case 'day': this.current.setDate(this.current.getDate() + this.step); break; + case 'month': this.current.setMonth(this.current.getMonth() + this.step); break; + case 'year': this.current.setFullYear(this.current.getFullYear() + this.step); break; + default: break; + } + } + else { + switch (this.scale) { + case 'millisecond': this.current = new Date(this.current.valueOf() + this.step); break; + case 'second': this.current.setSeconds(this.current.getSeconds() + this.step); break; + case 'minute': this.current.setMinutes(this.current.getMinutes() + this.step); break; + case 'hour': this.current.setHours(this.current.getHours() + this.step); break; + case 'weekday': // intentional fall through + case 'day': this.current.setDate(this.current.getDate() + this.step); break; + case 'month': this.current.setMonth(this.current.getMonth() + this.step); break; + case 'year': this.current.setFullYear(this.current.getFullYear() + this.step); break; + default: break; + } } - }; - /** - * 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'; + 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; + } + } - // position the slider button - var left = this.indexToLeft(this.index); - this.frame.slide.style.left = (left) + 'px'; + // safety mechanism: if current time is still unchanged, move to the end + if (this.current.valueOf() == prev) { + this.current = new Date(this._end.valueOf()); } + + DateUtil.stepOverHiddenDates(this, prev); }; /** - * Set the list with values for the slider - * @param {Array} values A javascript array with values (any type) + * Get the current datetime + * @return {Date} current The current date */ - Slider.prototype.setValues = function(values) { - this.values = values; - - if (this.values.length > 0) - this.setIndex(0); - else - this.index = undefined; + TimeStep.prototype.getCurrent = function() { + return this.current; }; /** - * Select a value by its index - * @param {Number} index + * 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. */ - Slider.prototype.setIndex = function(index) { - if (index < this.values.length) { - this.index = index; + TimeStep.prototype.setScale = function(newScale, newStep) { + this.scale = newScale; - this.redraw(); - this.onChange(); - } - else { - throw 'Error: index out of range'; + if (newStep > 0) { + this.step = newStep; } + + this.autoScale = false; }; /** - * retrieve the index of the currently selected vaue - * @return {Number} index + * Enable or disable autoscaling + * @param {boolean} enable If true, autoascaling is set true */ - Slider.prototype.getIndex = function() { - return this.index; + TimeStep.prototype.setAutoScale = function (enable) { + this.autoScale = enable; }; /** - * retrieve the currently selected value - * @return {*} value + * Automatically determine the scale that bests fits the provided minimum step + * @param {Number} [minimumStep] The minimum step size in milliseconds */ - Slider.prototype.get = function() { - return this.values[this.index]; - }; - - - 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; + TimeStep.prototype.setMinimumStep = function(minimumStep) { + if (minimumStep == undefined) { + return; + } - this.startClientX = event.clientX; - this.startSlideX = parseFloat(this.frame.slide.style.left); + //var b = asc + ds; - this.frame.style.cursor = 'move'; + 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); - // 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); + // 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;} }; + /** + * 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()); - Slider.prototype.leftToIndex = function (left) { - var width = parseFloat(this.frame.bar.style.width) - - this.frame.slide.clientWidth - 10; - var x = left - 3; - - var index = Math.round(x / width * (this.values.length-1)); - if (index < 0) index = 0; - if (index > this.values.length-1) index = this.values.length-1; + if (this.scale == 'year') { + var year = clone.getFullYear() + Math.round(clone.getMonth() / 12); + clone.setFullYear(Math.round(year / this.step) * this.step); + clone.setMonth(0); + clone.setDate(0); + clone.setHours(0); + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); + } + else if (this.scale == 'month') { + if (clone.getDate() > 15) { + clone.setDate(1); + clone.setMonth(clone.getMonth() + 1); + // important: first set Date to 1, after that change the month. + } + else { + clone.setDate(1); + } - return index; + clone.setHours(0); + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); + } + else if (this.scale == 'day') { + //noinspection FallthroughInSwitchStatementJS + switch (this.step) { + case 5: + case 2: + clone.setHours(Math.round(clone.getHours() / 24) * 24); break; + default: + clone.setHours(Math.round(clone.getHours() / 12) * 12); break; + } + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); + } + else if (this.scale == 'weekday') { + //noinspection FallthroughInSwitchStatementJS + switch (this.step) { + case 5: + case 2: + clone.setHours(Math.round(clone.getHours() / 12) * 12); break; + default: + clone.setHours(Math.round(clone.getHours() / 6) * 6); break; + } + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); + } + else if (this.scale == 'hour') { + switch (this.step) { + case 4: + clone.setMinutes(Math.round(clone.getMinutes() / 60) * 60); break; + default: + clone.setMinutes(Math.round(clone.getMinutes() / 30) * 30); break; + } + clone.setSeconds(0); + clone.setMilliseconds(0); + } else if (this.scale == 'minute') { + //noinspection FallthroughInSwitchStatementJS + switch (this.step) { + case 15: + case 10: + clone.setMinutes(Math.round(clone.getMinutes() / 5) * 5); + clone.setSeconds(0); + break; + case 5: + clone.setSeconds(Math.round(clone.getSeconds() / 60) * 60); break; + default: + clone.setSeconds(Math.round(clone.getSeconds() / 30) * 30); break; + } + clone.setMilliseconds(0); + } + else if (this.scale == 'second') { + //noinspection FallthroughInSwitchStatementJS + switch (this.step) { + case 15: + case 10: + clone.setSeconds(Math.round(clone.getSeconds() / 5) * 5); + clone.setMilliseconds(0); + break; + case 5: + clone.setMilliseconds(Math.round(clone.getMilliseconds() / 1000) * 1000); break; + default: + clone.setMilliseconds(Math.round(clone.getMilliseconds() / 500) * 500); break; + } + } + else if (this.scale == 'millisecond') { + var step = this.step > 5 ? this.step / 2 : 1; + clone.setMilliseconds(Math.round(clone.getMilliseconds() / step) * step); + } + + return clone; }; - 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; + /** + * 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; + } + } - return left; + 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; + } }; + /** + * 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; + } - 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(); + var format = this.format.minorLabels[this.scale]; + return (format && format.length > 0) ? moment(date).format(format) : ''; }; + /** + * 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; + } - 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(); + var format = this.format.majorLabels[this.scale]; + return (format && format.length > 0) ? moment(date).format(format) : ''; }; - module.exports = Slider; + module.exports = TimeStep; /***/ }, -/* 17 */ +/* 20 */ /***/ function(module, exports, __webpack_require__) { /** - * @prototype StepNumber - * The class StepNumber is an iterator for Numbers. You provide a start and end - * value, and a best step size. StepNumber itself rounds to fixed values and - * a finds the step that best fits the provided step. - * - * If prettyStep is true, the step size is chosen as close as possible to the - * provided step, but being a round value like 1, 2, 5, 10, 20, 50, .... - * - * Example usage: - * var step = new StepNumber(0, 10, 2.5, true); - * step.start(); - * while (!step.end()) { - * alert(step.getCurrent()); - * step.next(); - * } - * - * Version: 1.0 - * - * @param {Number} start The start value - * @param {Number} end The end value - * @param {Number} step Optional. Step size. Must be a positive value. - * @param {boolean} prettyStep Optional. If true, the step size is rounded - * To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) + * Prototype for visual components + * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body] + * @param {Object} [options] */ - function StepNumber(start, end, step, prettyStep) { - // set default values - this._start = 0; - this._end = 0; - this._step = 1; - this.prettyStep = true; - this.precision = 5; + function Component (body, options) { + this.options = null; + this.props = null; + } - this._current = 0; - this.setRange(start, end, step, prettyStep); + /** + * 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); + } }; /** - * 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, ...) + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - StepNumber.prototype.setRange = function(start, end, step, prettyStep) { - this._start = start ? start : 0; - this._end = end ? end : 0; - - this.setStep(step, prettyStep); + Component.prototype.redraw = function() { + // should be implemented by the component + return false; }; /** - * 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, ...) + * Destroy the component. Cleanup DOM and event listeners */ - StepNumber.prototype.setStep = function(step, prettyStep) { - if (step === undefined || step <= 0) - return; - - if (prettyStep !== undefined) - this.prettyStep = prettyStep; - - if (this.prettyStep === true) - this._step = StepNumber.calculatePrettyStep(step); - else - this._step = step; + Component.prototype.destroy = function() { + // should be implemented by the component }; /** - * 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 + * Test whether the component is resized since the last time _isResized() was + * called. + * @return {Boolean} Returns true if the component is resized + * @protected */ - StepNumber.calculatePrettyStep = function (step) { - var log10 = function (x) {return Math.log(x) / Math.LN10;}; + Component.prototype._isResized = function() { + var resized = (this.props._previousWidth !== this.props.width || + this.props._previousHeight !== this.props.height); - // 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))); + this.props._previousWidth = this.props.width; + this.props._previousHeight = this.props.height; - // 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; + return resized; + }; - // for safety - if (prettyStep <= 0) { - prettyStep = 1; - } + module.exports = Component; - return prettyStep; - }; + +/***/ }, +/* 21 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Component = __webpack_require__(20); + var moment = __webpack_require__(44); + var locales = __webpack_require__(48); /** - * returns the current value of the step - * @return {Number} current value + * A current time bar + * @param {{range: Range, dom: Object, domProps: Object}} body + * @param {Object} [options] Available parameters: + * {Boolean} [showCurrentTime] + * @constructor CurrentTime + * @extends Component */ - StepNumber.prototype.getCurrent = function () { - return parseFloat(this._current.toPrecision(this.precision)); - }; + function CurrentTime (body, options) { + this.body = body; + + // default options + this.defaultOptions = { + showCurrentTime: true, + + locales: locales, + locale: 'en' + }; + this.options = util.extend({}, this.defaultOptions); + this.offset = 0; + + this._create(); + + this.setOptions(options); + } + + CurrentTime.prototype = new Component(); /** - * returns the current step size - * @return {Number} current step size + * Create the HTML DOM for the current time bar + * @private */ - StepNumber.prototype.getStep = function () { - return this._step; + CurrentTime.prototype._create = function() { + var bar = document.createElement('div'); + bar.className = 'currenttime'; + bar.style.position = 'absolute'; + bar.style.top = '0px'; + bar.style.height = '100%'; + + this.bar = bar; }; /** - * Set the current value to the largest value smaller than start, which - * is a multiple of the step size + * Destroy the CurrentTime bar */ - StepNumber.prototype.start = function() { - this._current = this._start - this._start % this._step; + CurrentTime.prototype.destroy = function () { + this.options.showCurrentTime = false; + this.redraw(); // will remove the bar from the DOM and stop refreshing + + this.body = null; }; /** - * Do a step, add the step size to the current value + * Set options for the component. Options will be merged in current options. + * @param {Object} options Available parameters: + * {boolean} [showCurrentTime] */ - StepNumber.prototype.next = function () { - this._current += this._step; + CurrentTime.prototype.setOptions = function(options) { + if (options) { + // copy all options that we know + util.selectiveExtend(['showCurrentTime', 'locale', 'locales'], this.options, options); + } }; /** - * Returns true whether the end is reached - * @return {boolean} True if the current value has passed the end value. + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - StepNumber.prototype.end = function () { - return (this._current > this._end); - }; + 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); - module.exports = StepNumber; + this.start(); + } + var now = new Date(new Date().valueOf() + this.offset); + var x = this.body.util.toScreen(now); -/***/ }, -/* 18 */ -/***/ function(module, exports, __webpack_require__) { + 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); - 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); + this.bar.style.left = x + 'px'; + this.bar.title = title; + } + else { + // remove the line from the DOM + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); + } + this.stop(); + } + + return false; + }; /** - * 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 + * Start auto refreshing the current time bar */ - function Timeline (container, items, groups, options) { - if (!(this instanceof Timeline)) { - throw new SyntaxError('Constructor must be called with the new operator'); + CurrentTime.prototype.start = function() { + var me = this; + + function update () { + me.stop(); + + // determine interval to refresh + var scale = me.body.range.conversion(me.body.domProps.center.width).scale; + var interval = 1 / scale / 10; + if (interval < 30) interval = 30; + if (interval > 1000) interval = 1000; + + me.redraw(); + + // start a timer to adjust for the new time + me.currentTimeTimer = setTimeout(update, interval); } - // 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; + update(); + }; + + /** + * Stop auto refreshing the current time bar + */ + CurrentTime.prototype.stop = function() { + if (this.currentTimeTimer !== undefined) { + clearTimeout(this.currentTimeTimer); + delete this.currentTimeTimer; } + }; - var me = this; - this.defaultOptions = { - start: null, - end: null, + /** + * 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(); + }; - autoResize: true, + /** + * Get the current time. + * @return {Date} Returns the current time. + */ + CurrentTime.prototype.getCurrentTime = function() { + return new Date(new Date().valueOf() + this.offset); + }; - orientation: 'bottom', - width: null, - height: null, - maxHeight: null, - minHeight: null - }; - this.options = util.deepExtend({}, this.defaultOptions); + module.exports = CurrentTime; - // Create the DOM, props, and emitter - this._create(container); - // all components listed here will be repainted automatically - this.components = []; +/***/ }, +/* 22 */ +/***/ function(module, exports, __webpack_require__) { - 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 Hammer = __webpack_require__(45); + var util = __webpack_require__(1); + var Component = __webpack_require__(20); + var moment = __webpack_require__(44); + var locales = __webpack_require__(48); - // range - this.range = new Range(this.body); - this.components.push(this.range); - this.body.range = this.range; + /** + * A custom time bar + * @param {{range: Range, dom: Object}} body + * @param {Object} [options] Available parameters: + * {Boolean} [showCustomTime] + * @constructor CustomTime + * @extends Component + */ - // time axis - this.timeAxis = new TimeAxis(this.body); - this.components.push(this.timeAxis); - this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); + function CustomTime (body, options) { + this.body = body; - // current time bar - this.currentTime = new CurrentTime(this.body); - this.components.push(this.currentTime); + // default options + this.defaultOptions = { + showCustomTime: false, + locales: locales, + locale: 'en' + }; + this.options = util.extend({}, this.defaultOptions); - // custom time bar - // Note: time bar will be attached in this.setOptions when selected - this.customTime = new CustomTime(this.body); - this.components.push(this.customTime); + this.customTime = new Date(); + this.eventParams = {}; // stores state parameters while dragging the bar - // item set - this.itemSet = new ItemSet(this.body); - this.components.push(this.itemSet); + // create the DOM + this._create(); - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + this.setOptions(options); + } - // apply options + CustomTime.prototype = new Component(); + + /** + * 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) { - this.setOptions(options); + // copy all options that we know + util.selectiveExtend(['showCustomTime', 'locale', 'locales'], this.options, options); } + }; - // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! - if (groups) { - this.setGroups(groups); - } + /** + * 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; - // create itemset - if (items) { - this.setItems(items); - } - else { - this.redraw(); - } - } + 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); - // Extend the functionality from Core - Timeline.prototype = new Core(); + // 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)); + }; /** - * Set items - * @param {vis.DataSet | Array | google.visualization.DataTable | null} items + * Destroy the CustomTime bar */ - Timeline.prototype.setItems = function(items) { - var initialLoad = (this.itemsData == null); + CustomTime.prototype.destroy = function () { + this.options.showCustomTime = false; + this.redraw(); // will remove the bar from the DOM - // 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' - } - }); - } + this.hammer.enable(false); + this.hammer = null; - // set items - this.itemsData = newDataSet; - this.itemSet && this.itemSet.setItems(newDataSet); + this.body = null; + }; - if (initialLoad) { - if (this.options.start != undefined || this.options.end != undefined) { - if (this.options.start == undefined || this.options.end == undefined) { - var dataRange = this._getDataRange(); + /** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ + CustomTime.prototype.redraw = function () { + if (this.options.showCustomTime) { + var parent = this.body.dom.backgroundVertical; + if (this.bar.parentNode != parent) { + // attach to the dom + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); } + parent.appendChild(this.bar); + } - var start = this.options.start != undefined ? this.options.start : dataRange.start; - var end = this.options.end != undefined ? this.options.end : dataRange.end; + var x = this.body.util.toScreen(this.customTime); - this.setWindow(start, end, {animate: false}); - } - else { - this.fit({animate: false}); - } - } - }; + 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); - /** - * 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; + this.bar.style.left = x + 'px'; + this.bar.title = title; } else { - // turn an array into a dataset - newDataSet = new DataSet(groups); + // remove the line from the DOM + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); + } } - this.groupsData = newDataSet; - this.itemSet.setGroups(newDataSet); + return false; }; /** - * 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. + * Set custom time. + * @param {Date | number | string} time */ - Timeline.prototype.setSelection = function(ids, options) { - this.itemSet && this.itemSet.setSelection(ids); - - if (options && options.focus) { - this.focus(ids, options); - } + CustomTime.prototype.setCustomTime = function(time) { + this.customTime = util.convert(time, 'Date'); + this.redraw(); }; /** - * Get the selected items by their id - * @return {Array} ids The ids of the selected items + * Retrieve the current custom time. + * @return {Date} customTime */ - Timeline.prototype.getSelection = function() { - return this.itemSet && this.itemSet.getSelection() || []; + CustomTime.prototype.getCustomTime = function() { + return new Date(this.customTime.valueOf()); }; /** - * 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 + * Start moving horizontally + * @param {Event} event + * @private */ - Timeline.prototype.focus = function(id, options) { - if (!this.itemsData || id == undefined) return; + CustomTime.prototype._onDragStart = function(event) { + this.eventParams.dragging = true; + this.eventParams.customTime = this.customTime; - var ids = Array.isArray(id) ? id : [id]; + event.stopPropagation(); + event.preventDefault(); + }; - // get the specified item(s) - var itemsData = this.itemsData.getDataSet().get(ids, { - type: { - start: 'Date', - end: 'Date' - } - }); + /** + * Perform moving operating. + * @param {Event} event + * @private + */ + CustomTime.prototype._onDrag = function (event) { + if (!this.eventParams.dragging) return; - // 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(); + var deltaX = event.gesture.deltaX, + x = this.body.util.toScreen(this.eventParams.customTime) + deltaX, + time = this.body.util.toTime(x); - if (start === null || s < start) { - start = s; - } + this.setCustomTime(time); - if (end === null || e > end) { - end = e; - } + // fire a timechange event + this.body.emitter.emit('timechange', { + time: new Date(this.customTime.valueOf()) }); - 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); - } + event.stopPropagation(); + event.preventDefault(); }; /** - * 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 - */ - Timeline.prototype.getItemRange = function() { - // calculate min from start filed - var dataset = this.itemsData.getDataSet(), - min = null, - max = null; + * Stop moving operating. + * @param {event} event + * @private + */ + CustomTime.prototype._onDragEnd = function (event) { + if (!this.eventParams.dragging) return; - 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 + // fire a timechanged event + this.body.emitter.emit('timechanged', { + time: new Date(this.customTime.valueOf()) + }); - // 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()); - } + event.stopPropagation(); + event.preventDefault(); + }; + + module.exports = CustomTime; + + +/***/ }, +/* 23 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(2); + var Component = __webpack_require__(20); + var DataStep = __webpack_require__(16); + + /** + * A horizontal time axis + * @param {Object} [options] See DataAxis.setOptions for the available + * options. + * @constructor DataAxis + * @extends Component + * @param body + */ + function DataAxis (body, options, svg, linegraphOptions) { + this.id = util.randomUUID(); + this.body = body; + + this.defaultOptions = { + orientation: 'left', // supported: 'left', 'right' + showMinorLabels: true, + showMajorLabels: true, + showMinorLines: true, + showMajorLines: 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} } - } + }; - return { - min: (min != null) ? new Date(min) : null, - max: (max != null) ? new Date(max) : null + this.linegraphOptions = linegraphOptions; + this.linegraphSVG = svg; + this.props = {}; + this.DOMelements = { // dynamic elements + lines: {}, + labels: {}, + title: {} }; - }; + this.dom = {}; - module.exports = Timeline; + this.range = {start:0, end:0}; + this.options = util.extend({}, this.defaultOptions); + this.conversionFactor = 1; -/***/ }, -/* 19 */ -/***/ function(module, exports, __webpack_require__) { + this.setOptions(options); + this.width = Number(('' + this.options.width).replace("px","")); + this.minWidth = this.width; + this.height = this.linegraphSVG.offsetHeight; + this.hidden = false; - // Only load hammer.js when in a browser environment - // (loading hammer.js in a node.js environment gives errors) - if (typeof window !== 'undefined') { - module.exports = window['Hammer'] || __webpack_require__(20); - } - else { - module.exports = function () { - throw Error('hammer.js is only available in a browser, not in node.js.'); - } - } + this.stepPixels = 25; + this.stepPixelsForced = 25; + this.zeroCrossing = -1; + this.lineOffset = 0; + this.master = true; + this.svgElements = {}; + this.iconsRemoved = false; -/***/ }, -/* 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 */ + this.groups = {}; + this.amountOfGroups = 0; - (function(window, undefined) { - 'use strict'; + // create the HTML DOM + this._create(); - /** - * @main - * @module hammer - * - * @class Hammer - * @static - */ + var me = this; + this.body.emitter.on("verticalDrag", function() { + me.dom.lineContainer.style.top = me.body.domProps.scrollTop + 'px'; + }); + } - /** - * Hammer, use this to create instances - * ```` - * var hammertime = new Hammer(myElement); - * ```` - * - * @method Hammer - * @param {HTMLElement} element - * @param {Object} [options={}] - * @return {Hammer.Instance} - */ - var Hammer = function Hammer(element, options) { - return new Hammer.Instance(element, options || {}); - }; + DataAxis.prototype = new Component(); - /** - * version, as defined in package.json - * the value will be set at each build - * @property VERSION - * @final - * @type {String} - */ - Hammer.VERSION = '1.1.3'; - /** - * 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', + DataAxis.prototype.addGroup = function(label, graphOptions) { + if (!this.groups.hasOwnProperty(label)) { + this.groups[label] = graphOptions; + } + this.amountOfGroups += 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', + DataAxis.prototype.updateGroup = function(label, graphOptions) { + this.groups[label] = graphOptions; + }; - /** - * 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', + DataAxis.prototype.removeGroup = function(label) { + if (this.groups.hasOwnProperty(label)) { + delete this.groups[label]; + this.amountOfGroups -= 1; + } + }; - /** - * Specifies whether zooming is enabled. Used by IE10> - * @property defaults.behavior.contentZooming - * @type {String} - * @default 'none' - */ - contentZooming: 'none', - /** - * 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', + 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', + 'showMajorLines', + 'showMinorLines', + 'icons', + 'majorLinesOffset', + 'minorLinesOffset', + 'labelOffsetX', + 'labelOffsetY', + 'iconWidth', + 'width', + 'visible', + 'customRange', + 'title', + 'format', + 'alignZeros' + ]; + util.selectiveExtend(fields, this.options, options); - /** - * 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)' + this.minWidth = Number(('' + this.options.width).replace("px","")); + + if (redraw == true && this.dom.frame) { + this.hide(); + this.show(); } + } }; - /** - * hammer document where the base events are added at - * @property DOCUMENT - * @type {HTMLElement} - * @default window.document - */ - Hammer.DOCUMENT = document; /** - * detect support for pointer events - * @property HAS_POINTEREVENTS - * @type {Boolean} + * Create the HTML DOM for the DataAxis */ - Hammer.HAS_POINTEREVENTS = navigator.pointerEnabled || navigator.msPointerEnabled; + 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; - /** - * detect support for touch events - * @property HAS_TOUCHEVENTS - * @type {Boolean} - */ - Hammer.HAS_TOUCHEVENTS = ('ontouchstart' in window); + 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'; - /** - * detect mobile browsers - * @property IS_MOBILE - * @type {Boolean} - */ - Hammer.IS_MOBILE = /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent); + // 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); + }; - /** - * detect if we want to support mouseevents at all - * @property NO_MOUSEEVENTS - * @type {Boolean} - */ - Hammer.NO_MOUSEEVENTS = (Hammer.HAS_TOUCHEVENTS && Hammer.IS_MOBILE) || Hammer.HAS_POINTEREVENTS; + DataAxis.prototype._redrawGroupIcons = function () { + DOMutil.prepareElements(this.svgElements); - /** - * interval in which Hammer recalculates current velocity/direction/angle in ms - * @property CALCULATE_INTERVAL - * @type {Number} - * @default 25 - */ - Hammer.CALCULATE_INTERVAL = 25; + var x; + var iconWidth = this.options.iconWidth; + var iconHeight = 15; + var iconOffset = 4; + var y = iconOffset + 0.5 * iconHeight; - /** - * 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 (this.options.orientation == 'left') { + x = iconOffset; + } + else { + x = this.width - iconWidth - iconOffset; + } - /** - * 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'; + 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; + } + } + } - /** - * 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'; + DOMutil.cleanupElements(this.svgElements); + this.iconsRemoved = false; + }; - /** - * 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'; + DataAxis.prototype._cleanupIcons = function() { + if (this.iconsRemoved == false) { + DOMutil.prepareElements(this.svgElements); + DOMutil.cleanupElements(this.svgElements); + this.iconsRemoved = true; + } + } /** - * if the window events are set... - * @property READY - * @writeOnce - * @type {Boolean} - * @default false + * Create the HTML DOM for the DataAxis */ - Hammer.READY = false; + 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.dom.lineContainer.parentNode) { + this.body.dom.backgroundHorizontal.appendChild(this.dom.lineContainer); + } + }; /** - * plugins namespace - * @property plugins - * @type {Object} + * Create the HTML DOM for the DataAxis */ - Hammer.plugins = Hammer.plugins || {}; + DataAxis.prototype.hide = function() { + this.hidden = true; + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); + } + + if (this.dom.lineContainer.parentNode) { + this.dom.lineContainer.parentNode.removeChild(this.dom.lineContainer); + } + }; /** - * gestures namespace - * see `/gestures` for the definitions - * @property gestures - * @type {Object} + * Set a range (start and end) + * @param end + * @param start + * @param end */ - Hammer.gestures = Hammer.gestures || {}; + 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; + }; /** - * setup events to detect gestures on the document - * this function is called when creating an new instance - * @private + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - function setup() { - if(Hammer.READY) { - return; + 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","")); - // find what eventtypes we add listeners to - Event.determineEventTypes(); + // 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; - // 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; - } - - /** - * @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; - }, - - /** - * 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); - }, + var props = this.props; + var frame = this.dom.frame; - /** - * 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); - }, + // update classname + frame.className = 'dataaxis'; - /** - * 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; + // calculate character width and height + this._calculateCharSize(); - // 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; - } - } - } - }, + var orientation = this.options.orientation; + var showMinorLabels = this.options.showMinorLabels; + var showMajorLabels = this.options.showMajorLabels; - /** - * 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; - }, + // determine the width and height of the elements for the axis + props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; + props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; - /** - * 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; - } - }, + 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; - /** - * 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); - }, + // 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(); - /** - * 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; - }, + if (this.options.icons == true) { + this._redrawGroupIcons(); + } + else { + this._cleanupIcons(); + } - /** - * 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._redrawTitle(orientation); + } + return changeCalled; + }; - // 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 - }; - } + /** + * Repaint major and minor text labels and vertical grid lines + * @private + */ + DataAxis.prototype._redrawLabels = function () { + DOMutil.prepareElements(this.DOMelements.lines); + DOMutil.prepareElements(this.DOMelements.labels); - Utils.each(touches, function(touch) { - pageX.push(touch.pageX); - pageY.push(touch.pageY); - clientX.push(touch.clientX); - clientY.push(touch.clientY); - }); + var orientation = this.options['orientation']; - return { - pageX: (min.apply(Math, pageX) + max.apply(Math, pageX)) / 2, - pageY: (min.apply(Math, pageY) + max.apply(Math, pageY)) / 2, - clientX: (min.apply(Math, clientX) + max.apply(Math, clientX)) / 2, - clientY: (min.apply(Math, clientY) + max.apply(Math, clientY)) / 2 - }; - }, + // calculate range and step (step such that we have space for 7 characters per label) + var minimumStep = this.master ? this.props.majorCharHeight || 10 : this.stepPixelsForced; - /** - * 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 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 + ); - /** - * 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; + 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)); - return Math.atan2(y, x) * 180 / Math.PI; - }, + this.stepPixels = stepPixels; - /** - * 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); + var amountOfSteps = this.height / stepPixels; + var stepDifference = 0; - if(x >= y) { - return touch1.clientX - touch2.clientX > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; - } - return touch1.clientY - touch2.clientY > 0 ? DIRECTION_UP : DIRECTION_DOWN; - }, + // 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; - /** - * 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; + 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 { + amountOfSteps += 0.25; + } - return Math.sqrt((x * x) + (y * y)); - }, - /** - * 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; - }, + this.valueAtZero = step.marginEnd; + var marginStartPos = 0; - /** - * 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; - }, + // do not draw the first label + var max = 1; - /** - * 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; - }, + // Get the number of decimal places + var decimals; + if(this.options.format[orientation] !== undefined) { + decimals = this.options.format[orientation].decimals; + } - /** - * 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.maxLabelSize = 0; + var y = 0; + while (max < Math.round(amountOfSteps)) { + step.next(); + y = Math.round(max * stepPixels); + marginStartPos = max * stepPixels; + var isMajor = step.isMajor(); - 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); - } + 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); + } - // test the style - if(p in element.style) { - element.style[p] = (toggle == null || toggle) && value || ''; - break; - } - } - }, + 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); + } + if (this.options.showMajorLines == true) { + this._redrawLine(y, orientation, 'grid horizontal major', this.options.majorLinesOffset, this.props.majorLineWidth); + } + } + else if (this.options.showMinorLines == true) { + this._redrawLine(y, orientation, 'grid horizontal minor', this.options.minorLinesOffset, this.props.minorLineWidth); + } - /** - * 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; - } + if (this.master == true && step.current == 0) { + this.zeroCrossing = max; + } - // set the css properties - Utils.each(props, function(value, prop) { - Utils.setPrefixedCss(element, prop, value, toggle); - }); + max++; + } - var falseFn = toggle && function() { - return false; - }; + if (this.master == false) { + this.conversionFactor = y / (this.valueAtZero - step.current); + } + else { + this.conversionFactor = this.dom.frame.offsetHeight / step.marginRange; + } - // also the disable onselectstart - if(props.userSelect == 'none') { - element.onselectstart = falseFn; - } - // and disable ondragstart - if(props.userDrag == 'none') { - element.ondragstart = falseFn; - } - }, + // 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; - /** - * 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(); - }); - } + // 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; + } }; + DataAxis.prototype.convertValue = function (value) { + var invertedValue = this.valueAtZero - value; + var convertedValue = invertedValue * this.conversionFactor; + return convertedValue; + }; /** - * @module hammer - */ - /** - * @class Event - * @static + * Create a label for the axis at position x + * @private + * @param y + * @param text + * @param orientation + * @param className + * @param characterHeight */ - var Event = Hammer.event = { - /** - * when touch events have been fired, this is true - * this is used to stop mouse events - * @property prevent_mouseevents - * @private - * @type {Boolean} - */ - preventMouseEvents: false, - - /** - * if EVENT_START has been fired - * @property started - * @private - * @type {Boolean} - */ - started: false, + 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"; + } - /** - * when the mouse is hold down, this is true - * @property should_detect - * @private - * @type {Boolean} - */ - shouldDetect: false, + label.style.top = y - 0.5 * characterHeight + this.options.labelOffsetY + 'px'; - /** - * 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); - }); - }, + text += ''; - /** - * 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); - }); - }, + var largestWidth = Math.max(this.props.majorCharWidth,this.props.minorCharWidth); + if (this.maxLabelSize < text.length * largestWidth) { + this.maxLabelSize = text.length * largestWidth; + } + }; - /** - * 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; + /** + * Create a minor line for the axis at position y + * @param y + * @param orientation + * @param className + * @param offset + * @param width + */ + 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 = ''; - var onTouchHandler = function onTouchHandler(ev) { - var srcType = ev.type.toLowerCase(), - isPointer = Hammer.HAS_POINTEREVENTS, - isMouse = Utils.inStr(srcType, 'mouse'), - triggerType; + if (orientation == 'left') { + line.style.left = (this.width - offset) + 'px'; + } + else { + line.style.right = (this.width - offset) + 'px'; + } - // 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; + line.style.width = width + 'px'; + line.style.top = y + 'px'; + } + }; - // mousebutton must be down - } else if(isMouse && eventType == EVENT_START && ev.button === 0) { - self.preventMouseEvents = false; - self.shouldDetect = true; - } else if(isPointer && eventType == EVENT_START) { - self.shouldDetect = (ev.buttons === 1 || PointerEvent.matchType(POINTER_TOUCH, ev)); - // just a valid start event, but no mouse - } else if(!isMouse && eventType == EVENT_START) { - self.preventMouseEvents = true; - self.shouldDetect = true; - } + /** + * Create a title for the axis + * @private + * @param orientation + */ + DataAxis.prototype._redrawTitle = function (orientation) { + DOMutil.prepareElements(this.DOMelements.title); - // update the pointer event before entering the detection - if(isPointer && eventType != EVENT_END) { - PointerEvent.updatePointer(eventType, ev); - } + // 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; - // we are in a touch/down state, so allowed detection of gestures - if(self.shouldDetect) { - triggerType = self.doDetect.call(self, ev, eventType, element, handler); - } + // Add style - if provided + if (this.options.title[orientation].style !== undefined) { + util.addCssText(title, this.options.title[orientation].style); + } - // ...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 (orientation == 'left') { + title.style.left = this.props.titleCharHeight + 'px'; + } + else { + title.style.right = this.props.titleCharHeight + 'px'; + } - if(isPointer && eventType == EVENT_END) { - PointerEvent.updatePointer(eventType, ev); - } - }; + title.style.width = this.height + 'px'; + } - this.on(element, EVENT_TYPES[eventType], onTouchHandler); - return onTouchHandler; - }, + // we need to clean up in case we did not use all elements. + DOMutil.cleanupElements(this.DOMelements.title); + }; - /** - * 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; - // 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; - // keep track of how many touches have been removed - changedLength = touchList.length - ((ev.changedTouches) ? ev.changedTouches.length : 1); - } - // 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; - } + /** + * 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 + */ + 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); - // detection has been started, we keep track of this, see above - this.started = true; + this.props.minorCharHeight = measureCharMinor.clientHeight; + this.props.minorCharWidth = measureCharMinor.clientWidth; - // generate some event data, some basic information - var evData = this.collectEventData(element, triggerType, touchList, ev); + this.dom.frame.removeChild(measureCharMinor); + } - // 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); - } + 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); - // trigger a change (TOUCH, RELEASE) event, this means the length of the touches changed - if(triggerChange) { - evData.changedLength = changedLength; - evData.eventType = triggerChange; + this.props.majorCharHeight = measureCharMajor.clientHeight; + this.props.majorCharWidth = measureCharMajor.clientWidth; - handler.call(Detection, evData); + this.dom.frame.removeChild(measureCharMajor); + } - evData.eventType = triggerType; - delete evData.changedLength; - } + 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); - // trigger the END event - if(triggerType == EVENT_END) { - handler.call(Detection, evData); + this.props.titleCharHeight = measureCharTitle.clientHeight; + this.props.titleCharWidth = measureCharTitle.clientWidth; - // ...and we are done with the detection - // so reset everything to start each detection totally fresh - this.started = false; - } + this.dom.frame.removeChild(measureCharTitle); + } + }; - return triggerType; - }, + /** + * 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); + }; - /** - * 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' - ]; - } + module.exports = DataAxis; - EVENT_TYPES[EVENT_START] = types[0]; - EVENT_TYPES[EVENT_MOVE] = types[1]; - EVENT_TYPES[EVENT_END] = types[2]; - return EVENT_TYPES; - }, - /** - * 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(); - } +/***/ }, +/* 24 */ +/***/ function(module, exports, __webpack_require__) { - // get the touchlist - if(ev.touches) { - if(eventType == EVENT_MOVE) { - return ev.touches; - } + 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); - var identifiers = []; - var concat = [].concat(Utils.toArray(ev.touches), Utils.toArray(ev.changedTouches)); - var touchList = []; + /** + * /** + * @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 + */ + 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; + } - Utils.each(concat, function(touch) { - if(Utils.inArray(identifiers, touch.identifier) === false) { - touchList.push(touch); - } - identifiers.push(touch.identifier); - }); - return touchList; - } + /** + * 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 = []; + } + }; - // 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; - } + /** + * 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; + }; - 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(); - }, + /** + * 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); - /** - * stop bubbling the event up to its parents - */ - stopPropagation: function() { - this.srcEvent.stopPropagation(); - }, + util.mergeOptions(this.options, options,'catmullRom'); + util.mergeOptions(this.options, options,'drawPoints'); + util.mergeOptions(this.options, options,'shaded'); - /** - * immediately stop gesture detection - * might be useful after a swipe was detected - * @return {*} - */ - stopDetect: function() { - return Detection.stopDetect(); - } - }; + if (options.catmullRom) { + if (typeof options.catmullRom == 'object') { + if (options.catmullRom.parametrization) { + if (options.catmullRom.parametrization == 'uniform') { + this.options.catmullRom.alpha = 0; + } + else if (options.catmullRom.parametrization == 'chordal') { + this.options.catmullRom.alpha = 1.0; + } + else { + this.options.catmullRom.parametrization = 'centripetal'; + this.options.catmullRom.alpha = 0.5; + } + } + } } + } + + if (this.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); + } }; /** - * @module hammer - * - * @class PointerEvent - * @static + * this updates the current group class with the latest group dataset entree, used in _updateGroup in linegraph + * @param group */ - var PointerEvent = Hammer.PointerEvent = { - /** - * holds all pointers, by `identifier` - * @property pointers - * @type {Object} - */ - pointers: {}, - - /** - * 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; - }, + 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); + }; - /** - * 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; - } - }, - /** - * check if ev matches pointertype - * @method matchType - * @param {String} pointerType matches `POINTER_MOUSE|TOUCH|PEN` - * @param {PointerEvent} ev - */ - matchType: function matchType(pointerType, ev) { - if(!ev.pointerType) { - return false; - } + /** + * draw the 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 pt = ev.pointerType, - types = {}; + 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"); - 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]; - }, + 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); + } - /** - * reset the stored pointers - * @method reset - */ - reset: function resetList() { - this.pointers = {}; + 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"); + } + + 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); + + 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); + } }; /** - * @module hammer + * return the legend entree for this group. * - * @class Detection - * @static + * @param iconWidth + * @param iconHeight + * @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}} */ - var Detection = Hammer.detection = { - // contains all registred Hammer.gestures in the correct order - gestures: [], - - // data of the current Hammer.gesture detection session - current: null, + GraphGroup.prototype.getLegend = function(iconWidth, iconHeight) { + var svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); + this.drawIcon(0,0.5*iconHeight,[],svg,iconWidth,iconHeight); + return {icon: svg, label: this.content, orientation:this.options.yAxisOrientation}; + } - // the previous Hammer.gesture session data - // is a full clone of the previous gesture.current object - previous: null, + GraphGroup.prototype.getYRange = function(groupData) { + return this.type.getYRange(groupData); + } - // when this becomes true, no gestures are fired - stopped: false, + GraphGroup.prototype.draw = function(dataset, group, framework) { + this.type.draw(dataset, group, framework); + } - /** - * 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; - } - this.stopped = false; + module.exports = GraphGroup; - // 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 - }; - this.detect(eventData); - }, +/***/ }, +/* 25 */ +/***/ function(module, exports, __webpack_require__) { - /** - * Hammer.gesture detection - * @method detect - * @param {Object} eventData - * @return {any} - */ - detect: function detect(eventData) { - if(!this.current || this.stopped) { - return; - } + var util = __webpack_require__(1); + var stack = __webpack_require__(18); + var RangeItem = __webpack_require__(35); - // extend event data with calculations about scale, distance etc - eventData = this.extendEventData(eventData); + /** + * @constructor Group + * @param {Number | String} groupId + * @param {Object} data + * @param {ItemSet} itemSet + */ + function Group (groupId, data, itemSet) { + this.groupId = groupId; + this.subgroups = {}; + this.subgroupIndex = 0; + this.subgroupOrderer = data && data.subgroupOrder; + this.itemSet = itemSet; - // hammer instance and instance options - var inst = this.current.inst, - instOptions = inst.options; + this.dom = {}; + this.props = { + label: { + width: 0, + height: 0 + } + }; + this.className = null; - // 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); + 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; + }) - // store as previous event event - if(this.current) { - this.current.lastEvent = eventData; - } + this._create(); - if(eventData.eventType == EVENT_END) { - this.stopDetect(); - } + this.setData(data); + } - return eventData; - }, + /** + * Create DOM elements for the group + * @private + */ + Group.prototype._create = function() { + var label = document.createElement('div'); + label.className = 'vlabel'; + this.dom.label = label; - /** - * 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); + var inner = document.createElement('div'); + inner.className = 'inner'; + label.appendChild(inner); + this.dom.inner = inner; - // reset the current - this.current = null; - this.stopped = true; - }, + var foreground = document.createElement('div'); + foreground.className = 'group'; + foreground['timeline-group'] = this; + this.dom.foreground = foreground; - /** - * 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.dom.background = document.createElement('div'); + this.dom.background.className = 'group'; - 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.dom.axis = document.createElement('div'); + this.dom.axis.className = 'group'; - if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { - cur.futureCalcEvent = ev; - } + // 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); + }; - 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); + /** + * Set the group data for this group + * @param {Object} data Group data, can contain properties content and className + */ + Group.prototype.setData = function(data) { + // update contents + var content = data && data.content; + if (content instanceof Element) { + this.dom.inner.appendChild(content); + } + else if (content !== undefined && content !== null) { + this.dom.inner.innerHTML = content; + } + else { + this.dom.inner.innerHTML = this.groupId || ''; // groupId can be null + } - cur.lastCalcEvent = cur.futureCalcEvent || ev; - cur.futureCalcEvent = ev; - } + // update title + this.dom.label.title = data && data.title || ''; - ev.velocityX = calcData.velocity.x; - ev.velocityY = calcData.velocity.y; - ev.interimAngle = calcData.angle; - ev.interimDirection = calcData.direction; - }, + if (!this.dom.inner.firstChild) { + util.addClassName(this.dom.inner, 'hidden'); + } + else { + util.removeClassName(this.dom.inner, 'hidden'); + } - /** - * 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; + // 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 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 - }); - }); - } + // 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; + } + }; - var deltaTime = ev.timeStamp - startEv.timeStamp, - deltaX = ev.center.clientX - startEv.center.clientX, - deltaY = ev.center.clientY - startEv.center.clientY; + /** + * Get the width of the group label + * @return {number} width + */ + Group.prototype.getLabelWidth = function() { + return this.props.label.width; + }; - this.getCalculatedData(ev, lastEv.center, deltaTime, deltaX, deltaY); - Utils.extend(ev, { - startEvent: startEv, + /** + * 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 + */ + Group.prototype.redraw = function(range, margin, restack) { + var resized = false; - deltaTime: deltaTime, - deltaX: deltaX, - deltaY: deltaY, + this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); - 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) - }); + // 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; - return ev; - }, + util.forEach(this.items, function (item) { + item.dirty = true; + if (item.displayed) item.redraw(); + }); - /** - * 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; - } + restack = true; + } - // extend Hammer default options with the Hammer.gesture options - Utils.extend(Hammer.defaults, options, true); + // reposition visible items vertically + if (this.itemSet.options.stack) { // TODO: ugly way to access options... + stack.stack(this.visibleItems, margin, restack); + } + else { // no stacking + stack.nostack(this.visibleItems, margin, this.subgroups); + } - // set its index - gesture.index = gesture.index || 1000; + // recalculate the height of the group + var height = this._calculateHeight(margin); - // add Hammer.gesture to the list - this.gestures.push(gesture); + // 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; - // 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; - }); + // 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; - return this.gestures; - } - }; + // 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); + } - /** - * @module hammer - */ + return resized; + }; /** - * 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} + * recalculate the height of the group + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * @returns {number} Returns the height + * @private */ - Hammer.Instance = function(element, options) { - var self = this; - - // setup HammerJS window events and register all gestures - // this also sets up the default options - setup(); - - /** - * @property element - * @type {HTMLElement} - */ - this.element = element; - - /** - * @property enabled - * @type {Boolean} - * @protected - */ - this.enabled = true; - - /** - * options, merged with the defaults - * options with an _ are converted to camelCase - * @property options - * @type {Object} - */ - Utils.each(options, function(value, name) { - delete options[name]; - options[Utils.toCamelCase(name)] = value; + 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; + //} + } }); - - 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); + 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); - /** - * 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); - } - }); - - /** - * keep a list of user event handlers which needs to be removed when calling 'dispose' - * @property eventHandlers - * @type {Array} - */ - this.eventHandlers = []; + return height; }; - Hammer.Instance.prototype = { - /** - * bind events to the instance - * @method on - * @chainable - * @param {String} gestures multiple gestures by splitting with a space - * @param {Function} handler - * @param {Object} handler.ev event object - */ - on: function onEvent(gestures, handler) { - var self = this; - Event.on(self.element, gestures, handler, function(type) { - self.eventHandlers.push({ gesture: type, handler: handler }); - }); - return self; - }, - - /** - * unbind events to the instance - * @method off - * @chainable - * @param {String} gestures - * @param {Function} handler - */ - off: function offEvent(gestures, handler) { - var self = this; + /** + * Show this group: attach to the DOM + */ + Group.prototype.show = function() { + if (!this.dom.label.parentNode) { + this.itemSet.dom.labelSet.appendChild(this.dom.label); + } - 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; - }, + if (!this.dom.foreground.parentNode) { + this.itemSet.dom.foreground.appendChild(this.dom.foreground); + } - /** - * trigger gesture event - * @method trigger - * @chainable - * @param {String} gesture - * @param {Object} [eventData] - */ - trigger: function triggerEvent(gesture, eventData) { - // optional - if(!eventData) { - eventData = {}; - } + if (!this.dom.background.parentNode) { + this.itemSet.dom.background.appendChild(this.dom.background); + } - // create DOM event - var event = Hammer.DOCUMENT.createEvent('Event'); - event.initEvent(gesture, true, true); - event.gesture = eventData; + if (!this.dom.axis.parentNode) { + this.itemSet.dom.axis.appendChild(this.dom.axis); + } + }; - // 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; - } + /** + * Hide this group: remove from the DOM + */ + Group.prototype.hide = function() { + var label = this.dom.label; + if (label.parentNode) { + label.parentNode.removeChild(label); + } - element.dispatchEvent(event); - return this; - }, + var foreground = this.dom.foreground; + if (foreground.parentNode) { + foreground.parentNode.removeChild(foreground); + } - /** - * enable of disable hammer.js detection - * @method enable - * @chainable - * @param {Boolean} state - */ - enable: function enable(state) { - this.enabled = state; - return this; - }, + var background = this.dom.background; + if (background.parentNode) { + background.parentNode.removeChild(background); + } - /** - * dispose this hammer instance - * @method dispose - * @return {Null} - */ - dispose: function dispose() { - var i, eh; + var axis = this.dom.axis; + if (axis.parentNode) { + axis.parentNode.removeChild(axis); + } + }; - // undo all changes made by stop_browser_behavior - Utils.toggleBehavior(this.element, this.options.behavior, false); + /** + * Add an item to the group + * @param {Item} item + */ + Group.prototype.add = function(item) { + this.items[item.id] = item; + item.setParent(this); - // unbind all custom event handlers - for(i = -1; (eh = this.eventHandlers[++i]);) { - Utils.off(this.element, eh.gesture, eh.handler); - } + // 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(); - this.eventHandlers = []; + 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); + } + }; - // unbind the start event listener - Event.off(this.element, EVENT_TYPES[EVENT_START], this.eventStartHandler); + 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); + } - return null; + if (sortArray.length > 0) { + for (var i = 0; i < sortArray.length; i++) { + this.subgroups[sortArray[i].subgroup].index = i; + } } + } }; + Group.prototype.resetSubgroups = function() { + for (var subgroup in this.subgroups) { + if (this.subgroups.hasOwnProperty(subgroup)) { + this.subgroups[subgroup].visible = false; + } + } + }; /** - * @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 + * 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? + }; + + /** - * @event dragdown - * @param {Object} ev + * Remove an item from the corresponding DataSet + * @param {Item} item */ + Group.prototype.removeFromDataSet = function(item) { + this.itemSet.removeItem(item.id); + }; + /** - * @param {String} name + * Reorder the items */ - (function(name) { - var triggered = false; + Group.prototype.order = function() { + var array = util.toArray(this.items); + var startArray = []; + var endArray = []; - function dragGesture(ev, inst) { - var cur = Detection.current; + 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 + }; - // max touches - if(inst.options.dragMaxTouches > 0 && - ev.touches.length > inst.options.dragMaxTouches) { - return; - } + stack.orderByStart(this.orderedItems.byStart); + stack.orderByEnd(this.orderedItems.byEnd); + }; - switch(ev.eventType) { - case EVENT_START: - triggered = false; - break; - case EVENT_MOVE: - // when the distance we moved is too small we skip this gesture - // or we can be already in dragging - if(ev.distance < inst.options.dragMinDistance && - cur.name != name) { - return; - } + /** + * 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 + */ + 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; - var startCenter = cur.startEvent.center; + // 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;} + } - // 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; + // 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); + } + } - // recalculate event data using new start point - ev = Detection.extendEventData(ev); - } - } + // we do a binary search for the items that have only start values. + var initialPosByStart = util.binarySearchCustom(orderedItems.byStart, searchFunction, 'data','start'); - // lock drag to axis? - if(cur.lastEvent.dragLockToAxis || - ( inst.options.dragLockToAxis && - inst.options.dragLockMinDistance <= ev.distance - )) { - ev.dragLockToAxis = true; - } + // 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); + }); - // keep direction on the axis that the drag gesture started on - var lastDirection = cur.lastEvent.direction; - if(ev.dragLockToAxis && lastDirection !== ev.direction) { - if(Utils.isVertical(lastDirection)) { - ev.direction = (ev.deltaY < 0) ? DIRECTION_UP : DIRECTION_DOWN; - } else { - ev.direction = (ev.deltaX < 0) ? DIRECTION_LEFT : DIRECTION_RIGHT; - } - } + // if 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'); - // first time, trigger dragstart event - if(!triggered) { - inst.trigger(name + 'start', ev); - triggered = true; - } + // 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); + }); + } - // trigger events - inst.trigger(name, ev); - inst.trigger(name + ev.direction, ev); - var isVertical = Utils.isVertical(ev.direction); + // 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(); + } - // block the browser events - if((inst.options.dragBlockVertical && isVertical) || - (inst.options.dragBlockHorizontal && !isVertical)) { - ev.preventDefault(); - } - break; + // 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" : "") + // } + //} - case EVENT_RELEASE: - if(triggered && ev.changedLength <= inst.options.dragMaxTouches) { - inst.trigger(name + 'end', ev); - triggered = false; - } - break; + return visibleItems; + }; - case EVENT_END: - triggered = false; - break; + 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); } + } } - 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, - - /** - * 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, - - /** - * 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 + 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); } - }; - })('drag'); + } + } + } + } + /** - * @module gestures - */ - /** - * trigger a simple gesture event, so you can do anything in your handler. - * only usable if you know what your doing... + * 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. * - * @class Gesture - * @static - */ - /** - * @event gesture - * @param {Object} ev + * @param {Item} item + * @param {Array} visibleItems + * @param {{start:number, end:number}} range + * @private */ - Hammer.gestures.Gesture = { - name: 'gesture', - index: 1337, - handler: function releaseGesture(ev, inst) { - inst.trigger(this.name, ev); + 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(); } }; + /** - * @module gestures - */ - /** - * Touch stays at the same place for x time + * 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. * - * @class Hold - * @static - */ - /** - * @event hold - * @param {Object} ev + * @param {Item} item + * @param {Array} visibleItems + * @param {{start:number, end:number}} range + * @private */ + 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(); + } + }; - /** - * @param {String} name - */ - (function(name) { - var timer; - function holdGesture(ev, inst) { - var options = inst.options, - current = Detection.current; - switch(ev.eventType) { - case EVENT_START: - clearTimeout(timer); + module.exports = Group; - // set the gesture so we can check in the timeout if it still is - current.name = name; - // 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; +/***/ }, +/* 26 */ +/***/ function(module, exports, __webpack_require__) { - case EVENT_MOVE: - if(ev.distance > options.holdThreshold) { - clearTimeout(timer); - } - break; + var util = __webpack_require__(1); + var Group = __webpack_require__(25); - case EVENT_RELEASE: - clearTimeout(timer); - break; - } - } + /** + * @constructor BackgroundGroup + * @param {Number | String} groupId + * @param {Object} data + * @param {ItemSet} itemSet + */ + function BackgroundGroup (groupId, data, itemSet) { + Group.call(this, groupId, data, itemSet); - Hammer.gestures.Hold = { - name: name, - index: 10, - defaults: { - /** - * @property holdTimeout - * @type {Number} - * @default 500 - */ - holdTimeout: 500, + this.width = 0; + this.height = 0; + this.top = 0; + this.left = 0; + } - /** - * movement allowed while holding - * @property holdThreshold - * @type {Number} - * @default 2 - */ - holdThreshold: 2 - }, - handler: holdGesture - }; - })('hold'); + BackgroundGroup.prototype = Object.create(Group.prototype); /** - * @module gestures - */ - /** - * when a touch is being released from the page - * - * @class Release - * @static - */ - /** - * @event release - * @param {Object} ev + * 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 */ - Hammer.gestures.Release = { - name: 'release', - index: Infinity, - handler: function releaseGesture(ev, inst) { - if(ev.eventType == EVENT_RELEASE) { - inst.trigger(this.name, ev); - } - } + 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); + } + + return resized; }; /** - * @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(); - * }); - * ```` - * - * @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 + * Show this group: attach to the DOM */ - Hammer.gestures.Swipe = { - name: 'swipe', - index: 40, - defaults: { - /** - * @property swipeMinTouches - * @type {Number} - * @default 1 - */ - swipeMinTouches: 1, + BackgroundGroup.prototype.show = function() { + if (!this.dom.background.parentNode) { + this.itemSet.dom.background.appendChild(this.dom.background); + } + }; - /** - * @property swipeMaxTouches - * @type {Number} - * @default 1 - */ - swipeMaxTouches: 1, + module.exports = BackgroundGroup; - /** - * 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 - }, +/***/ }, +/* 27 */ +/***/ function(module, exports, __webpack_require__) { - handler: function swipeGesture(ev, inst) { - if(ev.eventType == EVENT_RELEASE) { - var touches = ev.touches.length, - options = inst.options; + 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); - // 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); - } - } - } - }; + var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items + var BACKGROUND = '__background__'; // reserved group id for background items without group /** - * @module gestures - */ - /** - * Single tap and a double tap on a place - * - * @class Tap - * @static - */ - /** - * @event tap - * @param {Object} ev - */ - /** - * @event doubletap - * @param {Object} ev + * An ItemSet holds a set of items and ranges which can be displayed in a + * range. The width is determined by the parent of the ItemSet, and the height + * is determined by the size of the items. + * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} body + * @param {Object} [options] See ItemSet.setOptions for the available options. + * @constructor ItemSet + * @extends Component */ + function ItemSet(body, options) { + this.body = body; - /** - * @param {String} name - */ - (function(name) { - var hasMoved = false; + this.defaultOptions = { + type: null, // 'box', 'point', 'range', 'background' + orientation: 'bottom', // 'top' or 'bottom' + align: 'auto', // alignment of box items + stack: true, + groupOrder: null, - function tapGesture(ev, inst) { - var options = inst.options, - current = Detection.current, - prev = Detection.previous, - sincePrev, - didDoubleTap; + selectable: true, + editable: { + updateTime: false, + updateGroup: false, + add: false, + remove: false + }, - switch(ev.eventType) { - case EVENT_START: - hasMoved = false; - break; + 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); + }, - case EVENT_MOVE: - hasMoved = hasMoved || (ev.distance > options.tapMaxDistance); - break; + margin: { + item: { + horizontal: 10, + vertical: 10 + }, + axis: 20 + }, + padding: 5 + }; - 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; + // options is shared by this ItemSet and all its items + this.options = util.extend({}, this.defaultOptions); - // check if double tap - if(prev && prev.name == name && - (sincePrev && sincePrev < options.doubleTapInterval) && - ev.distance < options.doubleTapDistance) { - inst.trigger('doubletap', ev); - didDoubleTap = true; - } + // options for getting items from the DataSet with the correct type + this.itemOptions = { + type: {start: 'Date', end: 'Date'} + }; - // do a single tap - if(!didDoubleTap || options.tapAlways) { - current.name = name; - inst.trigger(current.name, ev); - } - } - break; - } + this.conversion = { + toScreen: body.util.toScreen, + toTime: body.util.toTime + }; + this.dom = {}; + this.props = {}; + this.hammer = null; + + var me = this; + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + + // listeners for the DataSet of the items + this.itemListeners = { + 'add': function (event, params, senderId) { + me._onAdd(params.items); + }, + 'update': function (event, params, senderId) { + me._onUpdate(params.items); + }, + 'remove': function (event, params, senderId) { + me._onRemove(params.items); } + }; - 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, + // 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); + } + }; - /** - * max distance of movement of a tap, this is for the slow tappers - * @property tapMaxDistance - * @type {Number} - * @default 10 - */ - tapMaxDistance: 10, + this.items = {}; // object with an Item for every data item + this.groups = {}; // Group object for every group + this.groupIds = []; - /** - * always trigger the `tap` event, even while double-tapping - * @property tapAlways - * @type {Boolean} - * @default true - */ - tapAlways: true, + this.selection = []; // list with the ids of all selected nodes + this.stackDirty = true; // if true, all items will be restacked on next redraw - /** - * 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'); + this.touchParams = {}; // stores properties while dragging + // create the HTML DOM - /** - * @module gestures - */ - /** - * when a touch is being touched at the page - * - * @class Touch - * @static - */ - /** - * @event touch - * @param {Object} ev - */ - Hammer.gestures.Touch = { - name: 'touch', - index: -Infinity, - defaults: { - /** - * call preventDefault at touchstart, and makes the element blocking by disabling the scrolling of the page, - * but it improves gestures like transforming and dragging. - * be careful with using this, it can be very annoying for users to be stuck on the page - * @property preventDefault - * @type {Boolean} - * @default false - */ - preventDefault: false, + this._create(); - /** - * 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.setOptions(options); + } - if(inst.options.preventDefault) { - ev.preventDefault(); - } + ItemSet.prototype = new Component(); - if(ev.eventType == EVENT_TOUCH) { - inst.trigger('touch', ev); - } - } + // available item types will be registered here + ItemSet.types = { + background: BackgroundItem, + box: BoxItem, + range: RangeItem, + point: PointItem }; /** - * @module gestures - */ - /** - * User want to scale or rotate with 2 fingers - * Preventing the default browser behavior is a good way to improve feel and working. This can be done with the - * `preventDefault` option. - * - * @class Transform - * @static - */ - /** - * @event transform - * @param {Object} ev - */ - /** - * @event transformstart - * @param {Object} ev - */ - /** - * @event transformend - * @param {Object} ev - */ - /** - * @event pinchin - * @param {Object} ev - */ - /** - * @event pinchout - * @param {Object} ev - */ - /** - * @event rotate - * @param {Object} ev - */ - - /** - * @param {String} name + * Create the HTML DOM for the ItemSet */ - (function(name) { - var triggered = false; - - function transformGesture(ev, inst) { - switch(ev.eventType) { - case EVENT_START: - triggered = false; - break; + ItemSet.prototype._create = function(){ + var frame = document.createElement('div'); + frame.className = 'itemset'; + frame['timeline-itemset'] = this; + this.dom.frame = frame; - case EVENT_MOVE: - // at least multitouch - if(ev.touches.length < 2) { - return; - } + // create background panel + var background = document.createElement('div'); + background.className = 'background'; + frame.appendChild(background); + this.dom.background = background; - var scaleThreshold = Math.abs(1 - ev.scale); - var rotationThreshold = Math.abs(ev.rotation); + // create foreground panel + var foreground = document.createElement('div'); + foreground.className = 'foreground'; + frame.appendChild(foreground); + this.dom.foreground = foreground; - // 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; - } + // create axis panel + var axis = document.createElement('div'); + axis.className = 'axis'; + this.dom.axis = axis; - // we are transforming! - Detection.current.name = name; + // create labelset + var labelSet = document.createElement('div'); + labelSet.className = 'labelset'; + this.dom.labelSet = labelSet; - // first time, trigger dragstart event - if(!triggered) { - inst.trigger(name + 'start', ev); - triggered = true; - } + // create ungrouped Group + this._updateUngrouped(); - inst.trigger(name, ev); // basic transform event + // create background Group + var backgroundGroup = new BackgroundGroup(BACKGROUND, null, this); + backgroundGroup.show(); + this.groups[BACKGROUND] = backgroundGroup; - // trigger rotate event - if(rotationThreshold > inst.options.transformMinRotation) { - inst.trigger('rotate', ev); - } + // 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 + }); - // trigger pinch event - if(scaleThreshold > inst.options.transformMinScale) { - inst.trigger('pinch', ev); - inst.trigger('pinch' + (ev.scale < 1 ? 'in' : 'out'), ev); - } - break; + // 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)); - case EVENT_RELEASE: - if(triggered && ev.changedLength < 2) { - inst.trigger(name + 'end', ev); - triggered = false; - } - break; - } - } + // single select (or unselect) when tapping an item + this.hammer.on('tap', this._onSelectItem.bind(this)); - 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, + // multi select when holding mouse/touch, or on ctrl+click + this.hammer.on('hold', this._onMultiSelectItem.bind(this)); - /** - * rotation in degrees - * @property transformMinRotation - * @type {Number} - * @default 1 - */ - transformMinRotation: 1 - }, + // add item on doubletap + this.hammer.on('doubletap', this._onAddItem.bind(this)); - handler: transformGesture - }; - })('transform'); + // attach to the DOM + this.show(); + }; /** - * @module hammer + * 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); - // 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; - } + 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); + } + } + } + } - })(window); + 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); + } + } -/***/ }, -/* 21 */ -/***/ function(module, exports, __webpack_require__) { + // 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); - 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); + // force the itemSet to refresh: options like orientation and margins may be changed + this.markDirty(); + } + }; /** - * @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 + * Mark the ItemSet dirty so it will refresh everything with next redraw */ - 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 + ItemSet.prototype.markDirty = function() { + this.groupIds = []; + this.stackDirty = true; + }; - this.body = body; - this.deltaDifference = 0; - this.scaleOffset = 0; - this.startToFront = false; - this.endToFront = true; + /** + * Destroy the ItemSet + */ + ItemSet.prototype.destroy = function() { + this.hide(); + this.setItems(null); + this.setGroups(null); - // 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); + this.hammer = null; - this.props = { - touch: {} - }; - this.animateTimer = null; + this.body = null; + this.conversion = 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)); + /** + * 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); + } - // ignore dragging when holding - this.body.emitter.on('hold', this._onHold.bind(this)); + // remove the axis with dots + if (this.dom.axis.parentNode) { + this.dom.axis.parentNode.removeChild(this.dom.axis); + } - // mouse wheel for zooming - this.body.emitter.on('mousewheel', this._onMouseWheel.bind(this)); - this.body.emitter.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF + // remove the labelset containing all group labels + if (this.dom.labelSet.parentNode) { + this.dom.labelSet.parentNode.removeChild(this.dom.labelSet); + } + }; - // pinch to zoom - this.body.emitter.on('touch', this._onTouch.bind(this)); - this.body.emitter.on('pinch', this._onPinch.bind(this)); + /** + * 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); + } - this.setOptions(options); - } + // show axis with dots + if (!this.dom.axis.parentNode) { + this.body.dom.backgroundVertical.appendChild(this.dom.axis); + } - Range.prototype = new Component(); + // show labelset containing labels + if (!this.dom.labelSet.parentNode) { + this.body.dom.left.appendChild(this.dom.labelSet); + } + }; /** - * 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 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. */ - 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); + ItemSet.prototype.setSelection = function(ids) { + var i, ii, id, item; - if ('start' in options || 'end' in options) { - // apply a new range. both start and end are optional - this.setRange(options.start, options.end); + 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(); } } }; /** - * Test whether direction has a valid value - * @param {String} direction 'horizontal' or 'vertical' + * Get the selected items by their id + * @return {Array} ids The ids of the selected items */ - function validateDirection (direction) { - if (direction != 'horizontal' && direction != 'vertical') { - throw new TypeError('Unknown direction "' + direction + '". ' + - 'Choose "horizontal" or "vertical".'); - } - } + ItemSet.prototype.getSelection = function() { + return this.selection.concat([]); + }; /** - * 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. - * + * Get the id's of the currently visible items. + * @returns {Array} The ids of the visible items */ - 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); + 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); - 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)}); - } + var ids = []; + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + var group = this.groups[groupId]; + var rawVisibleItems = group.visibleItems; - 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); + // 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); } } } - - 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); - } } + + return ids; }; /** - * Stop an animation + * Deselect a selected item + * @param {String | Number} id * @private */ - Range.prototype._cancelAnimation = function () { - if (this.animateTimer) { - clearTimeout(this.animateTimer); - this.animateTimer = null; + 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; + } } }; /** - * 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 + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - 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; + 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; - // 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 + '"'); - } + // 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; - // prevent start < end - if (newEnd < newStart) { - newEnd = newStart; - } + // update class name + frame.className = 'itemset' + (editable ? ' editable' : ''); - // prevent start < min - if (min !== null) { - if (newStart < min) { - diff = (min - newStart); - newStart += diff; - newEnd += diff; + // reorder the groups (if needed) + resized = this._orderGroups() || resized; - // prevent end > max - if (max != null) { - if (newEnd > max) { - newEnd = max; - } - } - } - } + // 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; - // prevent end > max - if (max !== null) { - if (newEnd > max) { - diff = (newEnd - max); - newStart -= diff; - newEnd -= diff; + 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; - // prevent start < min - if (min != null) { - if (newStart < min) { - newStart = min; + // redraw the background group + this.groups[BACKGROUND].redraw(range, nonFirstMargin, restack); + + // 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); + + // 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; + + return resized; + }; + + /** + * Get the first group, aligned with the axis + * @return {Group | null} firstGroup + * @private + */ + ItemSet.prototype._firstGroup = function() { + var firstGroupIndex = (this.options.orientation == 'top') ? 0 : (this.groupIds.length - 1); + var firstGroupId = this.groupIds[firstGroupIndex]; + var firstGroup = this.groups[firstGroupId] || this.groups[UNGROUPED]; + + return firstGroup || null; + }; + + /** + * Create or delete the group holding all ungrouped items. This group is used when + * there are no groups specified. + * @protected + */ + ItemSet.prototype._updateUngrouped = function() { + var ungrouped = this.groups[UNGROUPED]; + var background = this.groups[BACKGROUND]; + var item, itemId; + + if (this.groupsData) { + // remove the group holding all ungrouped items + if (ungrouped) { + ungrouped.hide(); + delete this.groups[UNGROUPED]; + + for (itemId in this.items) { + if (this.items.hasOwnProperty(itemId)) { + item = this.items[itemId]; + item.parent && item.parent.remove(item); + var groupId = this._getGroupId(item.data); + var group = this.groups[groupId]; + group && group.add(item) || item.hide(); } } } } + 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; - // 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; + for (itemId in this.items) { + if (this.items.hasOwnProperty(itemId)) { + item = this.items[itemId]; + ungrouped.add(item); + } } - } - } - // 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; - } + ungrouped.show(); } } - - var changed = (this.start != newStart || this.end != newEnd); - - // if the new range does NOT overlap with the old range, emit checkRangedItems to avoid not showing ranged items (ranged meaning has end time, not neccesarily of type Range) - if (!((newStart >= this.start && newStart <= this.end) || (newEnd >= this.start && newEnd <= this.end)) && - !((this.start >= newStart && this.start <= newEnd) || (this.end >= newStart && this.end <= newEnd) )) { - this.body.emitter.emit('checkRangedItems'); - } - - this.start = newStart; - this.end = newEnd; - return changed; }; /** - * Retrieve the current range. - * @return {Object} An object with start and end properties + * Get the element for the labelset + * @return {HTMLElement} labelSet */ - Range.prototype.getRange = function() { - return { - start: this.start, - end: this.end - }; + ItemSet.prototype.getLabelSet = function() { + return this.dom.labelSet; }; /** - * Calculate the conversion offset and scale for current range, based on - * the provided width - * @param {Number} width - * @returns {{offset: number, scale: number}} conversion + * Set items + * @param {vis.DataSet | null} items */ - Range.prototype.conversion = function (width, totalHidden) { - return Range.conversion(this.start, this.end, width, totalHidden); - }; + ItemSet.prototype.setItems = function(items) { + var me = this, + ids, + oldItemsData = this.itemsData; - /** - * 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; + // replace the dataset + if (!items) { + this.itemsData = null; } - if (width != 0 && (end - start != 0)) { - return { - offset: start, - scale: width / (end - start - totalHidden) - } + else if (items instanceof DataSet || items instanceof DataView) { + this.itemsData = items; } else { - return { - offset: 0, - scale: 1 - }; + throw new TypeError('Data must be an instance of DataSet or DataView'); } - }; - /** - * Start dragging horizontally or vertically - * @param {Event} event - * @private - */ - Range.prototype._onDragStart = function(event) { - this.deltaDifference = 0; - this.previousDelta = 0; - // only allow dragging when configured as movable - if (!this.options.moveable) return; + if (oldItemsData) { + // unsubscribe from old dataset + util.forEach(this.itemListeners, function (callback, event) { + oldItemsData.off(event, callback); + }); - // 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; + // remove all drawn items + ids = oldItemsData.getIds(); + this._onRemove(ids); + } - this.props.touch.start = this.start; - this.props.touch.end = this.end; - this.props.touch.dragging = true; + if (this.itemsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.itemListeners, function (callback, event) { + me.itemsData.on(event, callback, id); + }); - if (this.body.dom.root) { - this.body.dom.root.style.cursor = 'move'; + // add all new items + ids = this.itemsData.getIds(); + this._onAdd(ids); + + // update the group holding all ungrouped items + this._updateUngrouped(); } }; /** - * Perform dragging operation - * @param {Event} event - * @private + * Get the current items + * @returns {vis.DataSet | null} */ - 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; + ItemSet.prototype.getItems = function() { + return this.itemsData; + }; - var direction = this.options.direction; - validateDirection(direction); + /** + * Set groups + * @param {vis.DataSet} groups + */ + ItemSet.prototype.setGroups = function(groups) { + var me = this, + ids; - var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY; - delta -= this.deltaDifference; - var interval = (this.props.touch.end - this.props.touch.start); + // unsubscribe from current dataset + if (this.groupsData) { + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.unsubscribe(event, callback); + }); - // normalize dragging speed if cutout is in between. - var duration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - interval -= duration; + // remove all drawn groups + ids = this.groupsData.getIds(); + this.groupsData = null; + this._onRemoveGroups(ids); // note: this will cause a redraw + } - 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; + // 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); + }); - // 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; + // draw all ms + ids = this.groupsData.getIds(); + this._onAddGroups(ids); } - this.previousDelta = delta; - this._applyRange(newStart, newEnd); + // update the group holding all ungrouped items + this._updateUngrouped(); - // fire a rangechange event - this.body.emitter.emit('rangechange', { - start: new Date(this.start), - end: new Date(this.end) - }); + // update the order of all items in each group + this._order(); + + this.body.emitter.emit('change', {queue: true}); }; /** - * Stop dragging operation - * @param {event} event - * @private + * Get the current groups + * @returns {vis.DataSet | null} groups */ - Range.prototype._onDragEnd = function (event) { - // only allow dragging when configured as movable - if (!this.options.moveable) return; - - // refuse to drag when we where pinching to prevent the timeline make a jump - // when releasing the fingers in opposite order from the touch screen - if (!this.props.touch.allowDragging) return; - - this.props.touch.dragging = false; - if (this.body.dom.root) { - this.body.dom.root.style.cursor = 'auto'; - } - - // fire a rangechanged event - this.body.emitter.emit('rangechanged', { - start: new Date(this.start), - end: new Date(this.end) - }); + ItemSet.prototype.getGroups = function() { + return this.groupsData; }; /** - * Event handler for mouse wheel event, used to zoom - * Code from http://adomas.org/javascript-mouse-wheel/ - * @param {Event} event - * @private + * Remove an item by its id + * @param {String | Number} id */ - 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 - - // adjust a negative delta such that zooming in with delta 0.1 - // equals zooming out with a delta -0.1 - var scale; - if (delta < 0) { - scale = 1 - (delta / 5); - } - else { - scale = 1 / (1 + (delta / 5)) ; - } - - // calculate center, the date to zoom around - var gesture = hammerUtil.fakeGesture(this, event), - pointer = getPointer(gesture.center, this.body.dom.center), - pointerDate = this._pointerToDate(pointer); + ItemSet.prototype.removeItem = function(id) { + var item = this.itemsData.get(id), + dataset = this.itemsData.getDataSet(); - this.zoom(scale, pointerDate, delta); + 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); + } + }); } - - // Prevent default actions caused by mouse wheel - // (else the page and timeline both zoom and scroll) - event.preventDefault(); }; /** - * Start of a touch gesture + * Get the time of an item based on it's data and options.type + * @param {Object} itemData + * @returns {string} Returns the type * @private */ - Range.prototype._onTouch = function (event) { - this.props.touch.start = this.start; - this.props.touch.end = this.end; - this.props.touch.allowDragging = true; - this.props.touch.center = null; - this.scaleOffset = 0; - this.deltaDifference = 0; + ItemSet.prototype._getType = function (itemData) { + return itemData.type || this.options.type || (itemData.end ? 'range' : 'box'); }; + /** - * On start of a hold gesture + * Get the group id for an item + * @param {Object} itemData + * @returns {string} Returns the groupId * @private */ - Range.prototype._onHold = function () { - this.props.touch.allowDragging = false; + ItemSet.prototype._getGroupId = function (itemData) { + var type = this._getType(itemData); + if (type == 'background' && itemData.group == undefined) { + return BACKGROUND; + } + else { + return this.groupsData ? itemData.group : UNGROUPED; + } }; /** - * Handle pinch event - * @param {Event} event - * @private + * Handle updated items + * @param {Number[]} ids + * @protected */ - Range.prototype._onPinch = function (event) { - // only allow zooming when configured as zoomable and moveable - if (!(this.options.zoomable && this.options.moveable)) return; + ItemSet.prototype._onUpdate = function(ids) { + var me = this; - this.props.touch.allowDragging = false; + ids.forEach(function (id) { + var itemData = me.itemsData.get(id, me.itemOptions); + var item = me.items[id]; + var type = me._getType(itemData); - if (event.gesture.touches.length > 1) { - if (!this.props.touch.center) { - this.props.touch.center = getPointer(event.gesture.center, this.body.dom.center); - } + var constructor = ItemSet.types[type]; - var scale = 1 / (event.gesture.scale + this.scaleOffset); - var centerDate = this._pointerToDate(this.props.touch.center); + 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); + } + } - var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, centerDate); - var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + 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 + '"'); + } + } + }); - // 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; + this._order(); + this.stackDirty = true; // force re-stacking of all items next redraw + this.body.emitter.emit('change', {queue: true}); + }; - // 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 + /** + * Handle added items + * @param {Number[]} ids + * @protected + */ + ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; - 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; + /** + * 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.setRange(newStart, newEnd); - - this.startToFront = false; // revert to default - this.endToFront = true; // revert to default + if (count) { + // update order + this._order(); + this.stackDirty = true; // force re-stacking of all items next redraw + this.body.emitter.emit('change', {queue: true}); } }; /** - * Helper function to calculate the center date for zooming - * @param {{x: Number, y: Number}} pointer - * @return {number} date + * Update the order of item in all groups * @private */ - Range.prototype._pointerToDate = function (pointer) { - var conversion; - var direction = this.options.direction; - - validateDirection(direction); - - if (direction == 'horizontal') { - return this.body.util.toTime(pointer.x).valueOf(); - } - else { - var height = this.body.domProps.center.height; - conversion = this.conversion(height); - return pointer.y / conversion.scale + conversion.offset; - } + 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(); + }); }; /** - * 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 + * Handle updated groups + * @param {Number[]} ids * @private */ - function getPointer (touch, element) { - return { - x: touch.pageX - util.getAbsoluteLeft(element), - y: touch.pageY - util.getAbsoluteTop(element) - }; - } + ItemSet.prototype._onUpdateGroups = function(ids) { + this._onAddGroups(ids); + }; /** - * 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. + * Handle changed groups (added or updated) + * @param {Number[]} ids + * @private */ - 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; - } + ItemSet.prototype._onAddGroups = function(ids) { + var me = this; - var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); - var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + ids.forEach(function (id) { + var groupData = me.groupsData.get(id); + var group = me.groups[id]; - // calculate new start and end - var newStart = (center-hiddenDurationBefore) + (this.start - (center-hiddenDurationBefore)) * scale; - var newEnd = (center+hiddenDurationAfter) + (this.end - (center+hiddenDurationAfter)) * scale; + if (!group) { + // check for reserved ids + if (id == UNGROUPED || id == BACKGROUND) { + throw new Error('Illegal group id. ' + id + ' is a reserved id.'); + } - // 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 groupOptions = Object.create(me.options); + util.extend(groupOptions, { + height: null + }); - this.setRange(newStart, newEnd); + group = new Group(id, groupData, me); + me.groups[id] = group; - this.startToFront = false; // revert to default - this.endToFront = true; // revert to default - }; + // 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); + } + }); + this.body.emitter.emit('change', {queue: true}); + }; /** - * 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 + * Handle removed groups + * @param {Number[]} ids + * @private */ - Range.prototype.move = function(delta) { - // zoom start Date and end Date relative to the centerDate - var diff = (this.end - this.start); + ItemSet.prototype._onRemoveGroups = function(ids) { + var groups = this.groups; + ids.forEach(function (id) { + var group = groups[id]; - // apply new values - var newStart = this.start + diff * delta; - var newEnd = this.end + diff * delta; + if (group) { + group.hide(); + delete groups[id]; + } + }); - // TODO: reckon with min and max range + this.markDirty(); - this.start = newStart; - this.end = newEnd; + this.body.emitter.emit('change', {queue: true}); }; /** - * Move the range to a new center point - * @param {Number} moveTo New center point of the range + * Reorder the groups if needed + * @return {boolean} changed + * @private */ - Range.prototype.moveTo = function(moveTo) { - var center = (this.start + this.end) / 2; - - var diff = center - moveTo; + ItemSet.prototype._orderGroups = function () { + if (this.groupsData) { + // reorder the groups + var groupIds = this.groupsData.getIds({ + order: this.options.groupOrder + }); - // calculate new start and end - var newStart = this.start - diff; - var newEnd = this.end - diff; + var changed = !util.equalArray(groupIds, this.groupIds); + if (changed) { + // hide all groups, removes them from the DOM + var groups = this.groups; + groupIds.forEach(function (groupId) { + groups[groupId].hide(); + }); - this.setRange(newStart, newEnd); - }; + // show the groups again, attach them to the DOM in correct order + groupIds.forEach(function (groupId) { + groups[groupId].show(); + }); - module.exports = Range; + this.groupIds = groupIds; + } + return changed; + } + else { + return false; + } + }; -/***/ }, -/* 22 */ -/***/ function(module, exports, __webpack_require__) { + /** + * Add a new item + * @param {Item} item + * @private + */ + ItemSet.prototype._addItem = function(item) { + this.items[item.id] = item; - var Hammer = __webpack_require__(19); + // add to group + var groupId = this._getGroupId(item.data); + var group = this.groups[groupId]; + if (group) group.add(item); + }; /** - * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent - * @param {Element} element - * @param {Event} event + * Update an existing item + * @param {Item} item + * @param {Object} itemData + * @private */ - exports.fakeGesture = function(element, event) { - var eventType = null; + ItemSet.prototype._updateItem = function(item, itemData) { + var oldGroupId = item.data.group; - // for hammer.js 1.0.5 - // var gesture = Hammer.event.collectEventData(this, eventType, event); + // update the items data (will redraw the item when displayed) + item.setData(itemData); - // for hammer.js 1.0.6+ - var touches = Hammer.event.getTouchList(event, eventType); - var gesture = Hammer.event.collectEventData(this, eventType, touches, event); + // update group + if (oldGroupId != item.data.group) { + var oldGroup = this.groups[oldGroupId]; + if (oldGroup) oldGroup.remove(item); - // 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; + var groupId = this._getGroupId(item.data); + var group = this.groups[groupId]; + if (group) group.add(item); } - - return gesture; }; - -/***/ }, -/* 23 */ -/***/ function(module, exports, __webpack_require__) { - /** - * Prototype for visual components - * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body] - * @param {Object} [options] + * 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 */ - function Component (body, options) { - this.options = null; - this.props = null; - } + ItemSet.prototype._removeItem = function(item) { + // remove from DOM + item.hide(); - /** - * 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); - } + // remove from items + delete this.items[item.id]; + + // remove from selection + var index = this.selection.indexOf(item.id); + if (index != -1) this.selection.splice(index, 1); + + // remove from group + item.parent && item.parent.remove(item); }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Create an array containing all items being a range (having an end date) + * @param array + * @returns {Array} + * @private */ - Component.prototype.redraw = function() { - // should be implemented by the component - return false; + 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; }; /** - * Destroy the component. Cleanup DOM and event listeners + * 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 */ - Component.prototype.destroy = function() { - // should be implemented by the component + ItemSet.prototype._onTouch = function (event) { + // store the touched item, used in _onDragStart + this.touchParams.item = ItemSet.itemFromTarget(event); }; /** - * Test whether the component is resized since the last time _isResized() was - * called. - * @return {Boolean} Returns true if the component is resized - * @protected + * Start dragging the selected events + * @param {Event} event + * @private */ - Component.prototype._isResized = function() { - var resized = (this.props._previousWidth !== this.props.width || - this.props._previousHeight !== this.props.height); + ItemSet.prototype._onDragStart = function (event) { + if (!this.options.editable.updateTime && !this.options.editable.updateGroup) { + return; + } - this.props._previousWidth = this.props.width; - this.props._previousHeight = this.props.height; + var item = this.touchParams.item || null; + var me = this; + var props; - return resized; - }; + if (item && item.selected) { + var dragLeftItem = event.target.dragLeftItem; + var dragRightItem = event.target.dragRightItem; - module.exports = Component; + if (dragLeftItem) { + props = { + item: dragLeftItem, + initialX: event.gesture.center.clientX + }; + 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; + } -/***/ }, -/* 24 */ -/***/ function(module, exports, __webpack_require__) { + this.touchParams.itemProps = [props]; + } + else if (dragRightItem) { + props = { + item: dragRightItem, + initialX: event.gesture.center.clientX + }; - /** - * Created by Alex on 10/3/2014. - */ - var moment = __webpack_require__(2); + 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; + } + 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 + }; - /** - * 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); + 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(); } - } - body.hiddenDates.sort(function (a, b) { - return a.start - b.start; - }); // sort by start time + if (me.options.editable.updateGroup) { + if ('group' in item.data) props.group = item.data.group; + } + + return props; + }); } + + event.stopPropagation(); } }; - /** - * create new entrees for the repeating hidden dates - * @param body - * @param hiddenDates + * Drag selected items + * @param {Event} event + * @private */ - exports.updateHiddenDates = function (body, hiddenDates) { - if (hiddenDates && body.domProps.centerContainer.width !== undefined) { - exports.convertHiddenOptions(body, hiddenDates); + ItemSet.prototype._onDrag = function (event) { + event.preventDefault() - var start = moment(body.range.start); - var end = moment(body.range.end); + 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; - var totalRange = (body.range.end - body.range.start); - var pixelTime = totalRange / body.domProps.centerContainer.width; + // move + this.touchParams.itemProps.forEach(function (props) { + var newProps = {}; + var current = me.body.util.toTime(event.gesture.center.clientX - xOffset); + var initial = me.body.util.toTime(props.initialX - xOffset); + var offset = current - initial; - 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 ('start' in props) { + var start = new Date(props.start + offset); + newProps.start = snap ? snap(start) : start; + } - 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); - } + if ('end' in props) { + var end = new Date(props.end + offset); + newProps.end = snap ? snap(end) : end; + } - var duration = endDate - startDate; - if (duration >= 4 * pixelTime) { + if ('group' in props) { + // drag from one group to another + var group = ItemSet.groupFromTarget(event); + newProps.group = group && group.groupId; + } - 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'); + // 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); + } + }); + }); - endDate.dayOfYear(start.dayOfYear()); - endDate.year(start.year()); - endDate.subtract(7 - offset,'days'); + this.stackDirty = true; // force re-stacking of all items next redraw + this.body.emitter.emit('change'); - runUntil.add(1, 'weeks'); - break; - case "weekly": - var dayOffset = endDate.diff(startDate,'days') - var day = startDate.day(); + event.stopPropagation(); + } + }; - // set the start date to the range.start - startDate.date(start.date()); - startDate.month(start.month()); - startDate.year(start.year()); - endDate = startDate.clone(); + /** + * 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) + } + }; - // force - startDate.day(day); - endDate.day(day); - endDate.add(dayOffset,'days'); + /** + * 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(); - startDate.subtract(1,'weeks'); - endDate.subtract(1,'weeks'); + item.data.group = group.groupId; + } + }; - 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'); + /** + * End of dragging selected items + * @param {Event} event + * @private + */ + ItemSet.prototype._onDragEnd = function (event) { + event.preventDefault() - endDate.month(start.month()); - endDate.year(start.year()); - endDate.subtract(1,'months'); - endDate.add(offset,'months'); + if (this.touchParams.itemProps) { + // prepare a change set for the changed items + var changes = [], + me = this, + dataset = this.itemsData.getDataSet(); - 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'); + 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); - 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()}); - } + 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; } - } - // 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); - } - } - - } + // 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); - /** - * remove duplicates from the hidden dates list. Duplicates are evil. They mess everything up. - * Scales with N^2 - * @param body - */ - exports.removeDuplicates = function(body) { - var hiddenDates = body.hiddenDates; - var safeDates = []; - for (var i = 0; i < hiddenDates.length; i++) { - for (var j = 0; j < hiddenDates.length; j++) { - if (i != j && hiddenDates[j].remove != true && hiddenDates[i].remove != true) { - // j inside i - if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { - hiddenDates[j].remove = true; - } - // j start inside i - else if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].start <= hiddenDates[i].end) { - hiddenDates[i].end = hiddenDates[j].end; - hiddenDates[j].remove = true; - } - // j end inside i - else if (hiddenDates[j].end >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { - hiddenDates[i].start = hiddenDates[j].start; - hiddenDates[j].remove = true; - } + me.stackDirty = true; // force re-stacking of all items next redraw + me.body.emitter.emit('change'); + } + }); } - } - } + }); - for (var i = 0; i < hiddenDates.length; i++) { - if (hiddenDates[i].remove !== true) { - safeDates.push(hiddenDates[i]); + // apply the changes to the data (if there are changes) + if (changes.length) { + dataset.update(changes); } - } - - 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); + event.stopPropagation(); } - } + }; /** - * Used in TimeStep to avoid the hidden times. - * @param timeStep - * @param previousTime + * Handle selecting/deselecting an item when tapping it + * @param {Event} event + * @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; - } + ItemSet.prototype._onSelectItem = function (event) { + if (!this.options.selectable) return; + + var ctrlKey = event.gesture.srcEvent && event.gesture.srcEvent.ctrlKey; + var shiftKey = event.gesture.srcEvent && event.gesture.srcEvent.shiftKey; + if (ctrlKey || shiftKey) { + this._onMultiSelectItem(event); + return; } - 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;} + var oldSelection = this.getSelection(); - timeStep.current = newValue.toDate(); - } - }; + var item = ItemSet.itemFromTarget(event); + var selection = item ? [item.id] : []; + this.setSelection(selection); + var newSelection = this.getSelection(); - ///** - // * 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(); - // } - //}; + // 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 + }); + } + }; /** - * replaces the Core toScreen methods - * @param Core - * @param time - * @param width - * @returns {number} + * Handle creation and updates of an item on double tap + * @param event + * @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; + ItemSet.prototype._onAddItem = function (event) { + if (!this.options.selectable) return; + if (!this.options.editable.add) return; + + var me = this, + snap = this.body.util.snap || null, + item = ItemSet.itemFromTarget(event); + + if (item) { + // update item + + // execute async handler to update the item (or cancel it) + var itemData = me.itemsData.get(item.id); // get a clone of the data from the dataset + this.options.onUpdate(itemData, function (itemData) { + if (itemData) { + me.itemsData.getDataSet().update(itemData); + } + }); } else { - var hidden = exports.isHidden(time, Core.body.hiddenDates) - if (hidden.hidden == true) { - time = hidden.startDate; + // 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' + }; + + // 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 duration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); - time = exports.correctTimeForHidden(Core.body.hiddenDates, Core.range, time); + newItem[this.itemsData._fieldId] = util.randomUUID(); - var conversion = Core.range.conversion(width, duration); - return (time.valueOf() - conversion.offset) * conversion.scale; + var group = ItemSet.groupFromTarget(event); + if (group) { + newItem.group = group.groupId; + } + + // execute async handler to customize (or cancel) adding an item + this.options.onAdd(newItem, function (item) { + if (item) { + me.itemsData.getDataSet().add(item); + // TODO: need to trigger a redraw? + } + }); } }; - /** - * Replaces the core toTime methods - * @param body - * @param range - * @param x - * @param width - * @returns {Date} + * Handle selecting/deselecting multiple items when holding an item + * @param {Event} event + * @private */ - exports.toTime = function(Core, x, width) { - if (Core.body.hiddenDates.length == 0) { - var conversion = Core.range.conversion(width); - return new Date(x / conversion.scale + conversion.offset); - } - else { - var hiddenDuration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); - var totalDuration = Core.range.end - Core.range.start - hiddenDuration; - var partialDuration = totalDuration * x / width; - var accumulatedHiddenDuration = exports.getAccumulatedHiddenDuration(Core.body.hiddenDates, Core.range, partialDuration); + ItemSet.prototype._onMultiSelectItem = function (event) { + if (!this.options.selectable) return; - var newTime = new Date(accumulatedHiddenDuration + partialDuration + Core.range.start); - return newTime; - } - }; + var selection, + item = ItemSet.itemFromTarget(event); + if (item) { + // multi select items + selection = this.getSelection(); // current selection - /** - * Support function - * - * @param hiddenDates - * @param range - * @returns {number} - */ - exports.getHiddenDurationBetween = function(hiddenDates, start, end) { - var duration = 0; - for (var i = 0; i < hiddenDates.length; i++) { - var startDate = hiddenDates[i].start; - var endDate = hiddenDates[i].end; - // if time after the cutout, and the - if (startDate >= start && endDate < end) { - duration += endDate - startDate; - } - } - return duration; - }; - + 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 - /** - * Support function - * @param hiddenDates - * @param range - * @param time - * @returns {{duration: number, time: *, offset: number}} - */ - exports.correctTimeForHidden = function(hiddenDates, range, time) { - time = moment(time).toDate().valueOf(); - time -= exports.getHiddenDurationBefore(hiddenDates,range,time); - return time; - }; + // determine the selection range + selection.push(item.id); + var range = ItemSet._getItemRange(this.itemsData.get(selection, this.itemOptions)); - exports.getHiddenDurationBefore = function(hiddenDates, range, time) { - var timeOffset = 0; - time = moment(time).toDate().valueOf(); + // 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; - 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); + if (start >= range.min && end <= range.max) { + selection.push(_item.id); // do not use id but item.id, id itself is stringified + } + } } } - } - return timeOffset; - } - - /** - * 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}} - */ - 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 { + // 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 { - hiddenDuration += endDate - startDate; + // item is already selected -> deselect it + selection.splice(index, 1); } } - } - - return hiddenDuration; - }; + this.setSelection(selection); + this.body.emitter.emit('select', { + items: this.getSelection() + }); + } + }; /** - * 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 {*} + * 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 */ - 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; + ItemSet._getItemRange = function(itemsData) { + var max = null; + var min = null; + + itemsData.forEach(function (data) { + if (min == null || data.start < min) { + min = data.start; + } + + if (data.end != undefined) { + if (max == null || data.end > max) { + max = data.end; } } else { - if (correctionEnabled == true) { - return isHidden.endDate + (time - isHidden.startDate) + 1; - } - else { - return isHidden.endDate + 1; + if (max == null || data.start > max) { + max = data.start; } } - } - else { - return time; - } - - } + }); + return { + min: min, + max: max + } + }; /** - * Check if a time is hidden - * - * @param time - * @param hiddenDates - * @returns {{hidden: boolean, startDate: Window.start, endDate: *}} + * 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 */ - 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; + ItemSet.itemFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-item')) { + return target['timeline-item']; } + target = target.parentNode; } - return {hidden: false, startDate: startDate, endDate: endDate}; - } -/***/ }, -/* 25 */ -/***/ 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 ItemSet = __webpack_require__(26); - var Activator = __webpack_require__(35); - var DateUtil = __webpack_require__(24); + return null; + }; /** - * 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 + * 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 */ - function Core () {} + ItemSet.groupFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-group')) { + return target['timeline-group']; + } + target = target.parentNode; + } - // turn Core into an event emitter - Emitter(Core.prototype); + return null; + }; /** - * 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 + * 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 */ - 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'); + ItemSet.itemSetFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-itemset')) { + return target['timeline-itemset']; + } + target = target.parentNode; + } - 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'; + return null; + }; - this.dom.root.appendChild(this.dom.background); - this.dom.root.appendChild(this.dom.backgroundVertical); - this.dom.root.appendChild(this.dom.backgroundHorizontal); - this.dom.root.appendChild(this.dom.centerContainer); - this.dom.root.appendChild(this.dom.leftContainer); - this.dom.root.appendChild(this.dom.rightContainer); - this.dom.root.appendChild(this.dom.top); - this.dom.root.appendChild(this.dom.bottom); + module.exports = ItemSet; - 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); +/***/ }, +/* 28 */ +/***/ function(module, exports, __webpack_require__) { - this.on('rangechange', this.redraw.bind(this)); - this.on('touch', this._onTouch.bind(this)); - this.on('pinch', this._onPinch.bind(this)); - this.on('dragstart', this._onDragStart.bind(this)); - this.on('drag', this._onDrag.bind(this)); + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(2); + var Component = __webpack_require__(20); - 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(); + /** + * Legend for Graph2d + */ + function Legend(body, options, side, linegraphOptions) { + this.body = body; + this.defaultOptions = { + enabled: true, + icons: true, + iconSize: 20, + iconSpacing: 6, + left: { + visible: true, + position: 'top-left' // top/bottom - left,center,right + }, + right: { + visible: true, + position: 'top-left' // top/bottom - left,center,right } - }); - - // 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.side = side; + this.options = util.extend({},this.defaultOptions); + this.linegraphOptions = linegraphOptions; - var events = [ - 'touch', 'pinch', - 'tap', 'doubletap', 'hold', - 'dragstart', 'drag', 'dragend', - 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is needed for Firefox - ]; - events.forEach(function (event) { - var listener = function () { - var args = [event].concat(Array.prototype.slice.call(arguments, 0)); - if (me.isActive()) { - me.emit.apply(me, args); - } - }; - me.hammer.on(event, listener); - me.listeners[event] = listener; - }); + this.svgElements = {}; + this.dom = {}; + this.groups = {}; + this.amountOfGroups = 0; + this._create(); - // 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 + this.setOptions(options); + } - this.redrawCount = 0; + Legend.prototype = new Component(); - // attach the root panel to the provided container - if (!container) throw new Error('No container provided'); - container.appendChild(this.dom.root); - }; + Legend.prototype.clear = function() { + this.groups = {}; + this.amountOfGroups = 0; + } - /** - * 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 - */ - 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); + Legend.prototype.addGroup = function(label, graphOptions) { - if ('hiddenDates' in this.options) { - DateUtil.convertHiddenOptions(this.body, this.options.hiddenDates); - } + if (!this.groups.hasOwnProperty(label)) { + this.groups[label] = graphOptions; + } + this.amountOfGroups += 1; + }; - if ('clickToUse' in options) { - if (options.clickToUse) { - if (!this.activator) { - this.activator = new Activator(this.dom.root); - } - } - else { - if (this.activator) { - this.activator.destroy(); - delete this.activator; - } - } - } + Legend.prototype.updateGroup = function(label, graphOptions) { + this.groups[label] = graphOptions; + }; - // enable/disable autoResize - this._initAutoResize(); + Legend.prototype.removeGroup = function(label) { + if (this.groups.hasOwnProperty(label)) { + delete this.groups[label]; + this.amountOfGroups -= 1; } + }; - // propagate options to all components - this.components.forEach(function (component) { - component.setOptions(options); - }); + 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"; - // 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.'); - } + this.dom.textArea = document.createElement('div'); + this.dom.textArea.className = 'legendText'; + this.dom.textArea.style.position = "relative"; + this.dom.textArea.style.top = "0px"; - // redraw everything - this.redraw(); + 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.dom.frame.appendChild(this.svg); + this.dom.frame.appendChild(this.dom.textArea); }; /** - * Returns true when the Timeline is active. - * @returns {boolean} + * Hide the component from the DOM */ - Core.prototype.isActive = function () { - return !this.activator || this.activator.active; + Legend.prototype.hide = function() { + // remove the frame containing the items + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); + } }; /** - * Destroy the Core, clean up all DOM elements and event listeners. + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed */ - Core.prototype.destroy = function () { - // unbind datasets - this.clear(); + Legend.prototype.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); + } + }; - // remove all event listeners - this.off(); + Legend.prototype.setOptions = function(options) { + var fields = ['enabled','orientation','icons','left','right']; + util.selectiveDeepExtend(fields, this.options, options); + }; - // stop checking for changed size - this._stopAutoResize(); + 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++; + } + } + } - // 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; + 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 = ''; + } - // cleanup hammer touch events - for (var event in this.listeners) { - if (this.listeners.hasOwnProperty(event)) { - delete this.listeners[event]; + 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.listeners = null; - this.hammer = null; - // give all components the opportunity to cleanup - this.components.forEach(function (component) { - component.destroy(); - }); + 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.body = null; + 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; - /** - * Set a custom time bar - * @param {Date} time - */ - Core.prototype.setCustomTime = function (time) { - if (!this.customTime) { - throw new Error('Cannot get custom time: Custom time bar is not enabled'); - } + this.svg.style.width = iconWidth + 5 + iconOffset + 'px'; - this.customTime.setCustomTime(time); - }; + 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; + } + } + } - /** - * 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'); + DOMutil.cleanupElements(this.svgElements); } - - return this.customTime.getCustomTime(); }; + module.exports = Legend; + - /** - * 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() || []; - }; +/***/ }, +/* 29 */ +/***/ function(module, exports, __webpack_require__) { + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(2); + var DataSet = __webpack_require__(3); + var DataView = __webpack_require__(4); + var Component = __webpack_require__(20); + var DataAxis = __webpack_require__(23); + var GraphGroup = __webpack_require__(24); + var Legend = __webpack_require__(28); + var BarGraphFunctions = __webpack_require__(52); + var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items /** - * 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 + * This is the constructor of the LineGraph. It requires a Timeline body and options. * - * @param {Object} [what] Optionally specify what to clear. By default: - * {items: true, groups: true, options: true} + * @param body + * @param options + * @constructor */ - Core.prototype.clear = function(what) { - // clear items - if (!what || what.items) { - this.setItems(null); - } + function LineGraph(body, options) { + this.id = util.randomUUID(); + this.body = body; - // clear groups - if (!what || what.groups) { - this.setGroups(null); - } + 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, + showMinorLines: true, + showMajorLines: 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: {} + } + }; - // clear options of timeline and of each of the components - if (!what || what.options) { - this.components.forEach(function (component) { - component.setOptions(component.defaultOptions); - }); + // 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; - this.setOptions(this.defaultOptions); // this will also do a redraw - } - }; + var me = this; + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + + // listeners for the DataSet of the items + this.itemListeners = { + 'add': function (event, params, senderId) { + me._onAdd(params.items); + }, + 'update': function (event, params, senderId) { + me._onUpdate(params.items); + }, + 'remove': function (event, params, senderId) { + me._onRemove(params.items); + } + }; + + // listeners for the DataSet of the groups + this.groupListeners = { + 'add': function (event, params, senderId) { + me._onAddGroups(params.items); + }, + 'update': function (event, params, senderId) { + me._onUpdateGroups(params.items); + }, + 'remove': function (event, params, senderId) { + me._onRemoveGroups(params.items); + } + }; + + this.items = {}; // object with an Item for every data item + this.selection = []; // list with the ids of all selected nodes + this.lastStart = this.body.range.start; + this.touchParams = {}; // stores properties while dragging + + this.svgElements = {}; + this.setOptions(options); + this.groupsUsingDefaultStyles = [0]; + this.COUNTER = 0; + this.body.emitter.on('rangechanged', function() { + me.lastStart = me.body.range.start; + me.svg.style.left = util.option.asSize(-me.props.width); + me.redraw.call(me,true); + }); + + // create the HTML DOM + this._create(); + this.framework = {svg: this.svg, svgElements: this.svgElements, options: this.options, groups: this.groups}; + this.body.emitter.emit('change'); + + } + + LineGraph.prototype = new Component(); /** - * Set Core window such that it fits all items - * @param {Object} [options] Available options: - * `animate: boolean | number` - * If true (default), the range is animated - * smoothly to the new window. - * If a number, the number is taken as duration - * for the animation. Default duration is 500 ms. + * Create the HTML DOM for the ItemSet */ - Core.prototype.fit = function(options) { - var range = this._getDataRange(); + LineGraph.prototype._create = function(){ + var frame = document.createElement('div'); + frame.className = 'LineGraph'; + this.dom.frame = frame; - // skip range set if there is no start and end date - if (range.start === null && range.end === null) { - return; - } + // 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); - var animate = (options && options.animate !== undefined) ? options.animate : true; - this.range.setRange(range.start, range.end, animate); + // 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(); }; /** - * Calculate the data range of the items and applies a 5% window around it. - * @returns {{start: Date | null, end: Date | null}} - * @protected + * set the options of the LineGraph. the mergeOptions is used for subObjects that have an enabled element. + * @param {object} options */ - Core.prototype._getDataRange = function() { - // apply the data range as range - var dataRange = this.getItemRange(); + LineGraph.prototype.setOptions = function(options) { + if (options) { + var fields = ['sampling','defaultGroup','height','graphHeight','yAxisOrientation','style','barChart','dataAxis','sort','groups']; + if (options.graphHeight === undefined && options.height !== undefined && this.body.domProps.centerContainer.height !== undefined) { + this.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'); - // 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 + if (options.catmullRom) { + if (typeof options.catmullRom == 'object') { + if (options.catmullRom.parametrization) { + if (options.catmullRom.parametrization == 'uniform') { + this.options.catmullRom.alpha = 0; + } + else if (options.catmullRom.parametrization == 'chordal') { + this.options.catmullRom.alpha = 1.0; + } + else { + this.options.catmullRom.parametrization = 'centripetal'; + this.options.catmullRom.alpha = 0.5; + } + } + } + } + + if (this.yAxisLeft) { + if (options.dataAxis !== undefined) { + this.yAxisLeft.setOptions(this.options.dataAxis); + this.yAxisRight.setOptions(this.options.dataAxis); + } + } + + if (this.legendLeft) { + if (options.legend !== undefined) { + this.legendLeft.setOptions(this.options.legend); + this.legendRight.setOptions(this.options.legend); + } + } + + if (this.groups.hasOwnProperty(UNGROUPED)) { + this.groups[UNGROUPED].setOptions(options); } - start = new Date(start.valueOf() - interval * 0.05); - end = new Date(end.valueOf() + interval * 0.05); } - return { - start: start, - end: end + // this is used to redraw the graph if the visibility of the groups is changed. + if (this.dom.frame) { + this.redraw(true); } }; /** - * 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. + * Hide the component from the DOM */ - 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 { - this.range.setRange(start, end, animate); + LineGraph.prototype.hide = function() { + // remove the frame containing the items + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); } }; - /** - * Move the window such that given time is centered on screen. - * @param {Date | Number | String} time - * @param {Object} [options] Available options: - * `animate: boolean | number` - * If true (default), the range is animated - * smoothly to the new window. - * If a number, the number is taken as duration - * for the animation. Default duration is 500 ms. - */ - Core.prototype.moveTo = function(time, options) { - var interval = this.range.end - this.range.start; - var t = util.convert(time, 'Date').valueOf(); - - var start = t - interval / 2; - var end = t + interval / 2; - var animate = (options && options.animate !== undefined) ? options.animate : true; - - this.range.setRange(start, end, animate); - }; /** - * Get the visible window - * @return {{start: Date, end: Date}} Visible range + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed */ - Core.prototype.getWindow = function() { - var range = this.range.getRange(); - return { - start: new Date(range.start), - end: new Date(range.end) - }; + LineGraph.prototype.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); + } }; + /** - * Force a redraw of the Core. Can be useful to manually redraw when - * option autoResize=false + * Set items + * @param {vis.DataSet | null} items */ - Core.prototype.redraw = function() { - var resized = false; - var options = this.options; - var props = this.props; - var dom = this.dom; - - if (!dom) return; // when destroyed - - DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); + LineGraph.prototype.setItems = function(items) { + var me = this, + ids, + oldItemsData = this.itemsData; - // update class names - if (options.orientation == 'top') { - util.addClassName(dom.root, 'top'); - util.removeClassName(dom.root, 'bottom'); + // replace the dataset + if (!items) { + this.itemsData = null; + } + else if (items instanceof DataSet || items instanceof DataView) { + this.itemsData = items; } else { - util.removeClassName(dom.root, 'top'); - util.addClassName(dom.root, 'bottom'); + throw new TypeError('Data must be an instance of DataSet or DataView'); } - // 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, ''); + if (oldItemsData) { + // unsubscribe from old dataset + util.forEach(this.itemListeners, function (callback, event) { + oldItemsData.off(event, callback); + }); - // 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; + // remove all drawn items + ids = oldItemsData.getIds(); + this._onRemove(ids); } - // 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. - - // apply auto height - // TODO: only calculate autoHeight when needed (else we cause an extra reflow/repaint of the DOM) - var contentHeight = Math.max(props.left.height, props.center.height, props.right.height); - var autoHeight = props.top.height + contentHeight + props.bottom.height + - borderRootHeight + props.border.top + props.border.bottom; - dom.root.style.height = util.option.asSize(options.height, autoHeight + 'px'); - - // calculate heights of the content panels - props.root.height = dom.root.offsetHeight; - props.background.height = props.root.height - borderRootHeight; - var containerHeight = props.root.height - props.top.height - props.bottom.height - - borderRootHeight; - props.centerContainer.height = containerHeight; - props.leftContainer.height = containerHeight; - props.rightContainer.height = props.leftContainer.height; - - // calculate the widths of the panels - props.root.width = dom.root.offsetWidth; - props.background.width = props.root.width - borderRootWidth; - props.left.width = dom.leftContainer.clientWidth || -props.border.left; - props.leftContainer.width = props.left.width; - props.right.width = dom.rightContainer.clientWidth || -props.border.right; - props.rightContainer.width = props.right.width; - var centerWidth = props.root.width - props.left.width - props.right.width - borderRootWidth; - props.center.width = centerWidth; - props.centerContainer.width = centerWidth; - props.top.width = centerWidth; - props.bottom.width = centerWidth; + if (this.itemsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.itemListeners, function (callback, event) { + me.itemsData.on(event, callback, id); + }); - // 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'; + // add all new items + ids = this.itemsData.getIds(); + this._onAdd(ids); + } + this._updateUngrouped(); + //this._updateGraph(); + this.redraw(true); + }; - dom.background.style.width = props.background.width + 'px'; - dom.backgroundVertical.style.width = props.centerContainer.width + 'px'; - dom.backgroundHorizontal.style.width = props.background.width + 'px'; - dom.centerContainer.style.width = props.center.width + 'px'; - dom.top.style.width = props.top.width + 'px'; - dom.bottom.style.width = props.bottom.width + 'px'; - // reposition the 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'; + /** + * Set groups + * @param {vis.DataSet} groups + */ + LineGraph.prototype.setGroups = function(groups) { + var me = this; + var ids; - // 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(); + // unsubscribe from current dataset + if (this.groupsData) { + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.unsubscribe(event, callback); + }); - // 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); + // remove all drawn groups + ids = this.groupsData.getIds(); + this.groupsData = null; + this._onRemoveGroups(ids); // note: this will cause a redraw } - 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?') - } - this.redrawCount = 0; + // replace the dataset + if (!groups) { + this.groupsData = null; } - - this.emit("finishedRedraw"); - }; - - // TODO: deprecated since version 1.1.0, remove some day - Core.prototype.repaint = function () { - throw new Error('Function repaint is deprecated. Use redraw instead.'); - }; - - /** - * Set a current time. This can be used for example to ensure that a client's - * time is synchronized with a shared server time. - * Only applicable when option `showCurrentTime` is true. - * @param {Date | String | Number} time A Date, unix timestamp, or - * ISO date string. - */ - Core.prototype.setCurrentTime = function(time) { - if (!this.currentTime) { - throw new Error('Option showCurrentTime must be true'); + else if (groups instanceof DataSet || groups instanceof DataView) { + this.groupsData = groups; + } + else { + throw new TypeError('Data must be an instance of DataSet or DataView'); } - this.currentTime.setCurrentTime(time); - }; + if (this.groupsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.on(event, callback, id); + }); - /** - * Get the current time. - * Only applicable when option `showCurrentTime` is true. - * @return {Date} Returns the current time. - */ - Core.prototype.getCurrentTime = function() { - if (!this.currentTime) { - throw new Error('Option showCurrentTime must be true'); + // draw all ms + ids = this.groupsData.getIds(); + this._onAddGroups(ids); } - - return this.currentTime.getCurrentTime(); + this._onUpdate(); }; - /** - * Convert a position on screen (pixels) to a datetime - * @param {int} x Position on the screen in pixels - * @return {Date} time The datetime the corresponds with given position x - * @private - */ - // TODO: move this function to Range - Core.prototype._toTime = function(x) { - return DateUtil.toTime(this, x, this.props.center.width); - }; /** - * 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 + * Update the data + * @param [ids] * @private */ - // 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); + 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]); + } - /** - * 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 - */ - // TODO: move this function to Range - Core.prototype._toScreen = function(time) { - return DateUtil.toScreen(this, time, this.props.center.width); + //this._updateGraph(); + this.redraw(true); }; - + LineGraph.prototype._onAddGroups = function (groupIds) {this._onUpdateGroups(groupIds);}; /** - * 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. + * this cleans the group out off the legends and the dataaxis, updates the ungrouped and updates the graph + * @param {Array} groupIds * @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; + 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); }; /** - * Initialize watching when option autoResize is true + * update a group object with the group dataset entree + * + * @param group + * @param groupId * @private */ - Core.prototype._initAutoResize = function () { - if (this.options.autoResize == true) { - this._startAutoResize(); + 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._stopAutoResize(); + 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(); }; + /** - * Watch for changes in the size of the container. On resize, the Panel will - * automatically redraw itself. + * this updates all groups, it is used when there is an update the the itemset. + * * @private */ - Core.prototype._startAutoResize = function () { - var me = this; - - this._stopAutoResize(); - - this._onResize = function() { - if (me.options.autoResize != true) { - // stop watching when the option autoResize is changed to false - me._stopAutoResize(); - return; + LineGraph.prototype._updateAllGroupData = function () { + if (this.itemsData != null) { + var groupsContent = {}; + var groupId; + for (groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + groupsContent[groupId] = []; + } } - - if (me.dom.root) { - // check whether the frame is resized - // Note: we compare offsetWidth here, not clientWidth. For some reason, - // IE does not restore the clientWidth from 0 to the actual width after - // changing the timeline's container display style from none to visible - if ((me.dom.root.offsetWidth != me.props.lastWidth) || - (me.dom.root.offsetHeight != me.props.lastHeight)) { - me.props.lastWidth = me.dom.root.offsetWidth; - me.props.lastHeight = me.dom.root.offsetHeight; - - me.emit('change'); + 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); } } - }; - - // add event listener to window resize - util.addEventListener(window, 'resize', this._onResize); - - this.watchTimer = setInterval(this._onResize, 1000); + for (groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + this.groups[groupId].setItems(groupsContent[groupId]); + } + } + } }; + /** - * Stop watching for a resize of the frame. - * @private + * 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 */ - Core.prototype._stopAutoResize = function () { - if (this.watchTimer) { - clearInterval(this.watchTimer); - this.watchTimer = undefined; + 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); } - // remove event listener on window.resize - util.removeEventListener(window, 'resize', this._onResize); - this._onResize = null; + this.legendLeft.redraw(); + this.legendRight.redraw(); }; - /** - * Start moving the timeline vertically - * @param {Event} event - * @private - */ - Core.prototype._onTouch = function (event) { - this.touch.allowDragging = true; - }; /** - * Start moving the timeline vertically - * @param {Event} event - * @private + * Redraw the component, mandatory function + * @return {boolean} Returns true if the component is resized */ - Core.prototype._onPinch = function (event) { - this.touch.allowDragging = false; - }; + LineGraph.prototype.redraw = function(forceGraphUpdate) { + var resized = false; - /** - * Start moving the timeline vertically - * @param {Event} event - * @private - */ - Core.prototype._onDragStart = function (event) { - this.touch.initialScrollTop = this.props.scrollTop; - }; + // calculate actual size and position + this.props.width = this.dom.frame.offsetWidth; + this.props.height = this.body.domProps.centerContainer.height; - /** - * Move the timeline vertically - * @param {Event} event - * @private - */ - 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; + // update the graph if there is no lastWidth or with, used for the initial draw + if (this.lastWidth === undefined && this.props.width) { + forceGraphUpdate = true; + } - var delta = event.gesture.deltaY; + // check if this component is resized + resized = this._isResized() || resized; - var oldScrollTop = this._getScrollTop(); - var newScrollTop = this._setScrollTop(this.touch.initialScrollTop + delta); + // check whether zoomed (in that case we need to re-stack everything) + var visibleInterval = this.body.range.end - this.body.range.start; + var zoomed = (visibleInterval != this.lastVisibleInterval); + this.lastVisibleInterval = visibleInterval; - if (newScrollTop != oldScrollTop) { - this.redraw(); // TODO: this causes two redraws when dragging, the other is triggered by rangechange already - this.emit("verticalDrag"); + // the svg element is three times as big as the width, this allows for fully dragging left and right + // without reloading the graph. the controls for this are bound to events in the constructor + if (resized == true) { + this.svg.style.width = util.option.asSize(3*this.props.width); + this.svg.style.left = util.option.asSize(-this.props.width); + if ((this.options.height + '').indexOf("%") != -1) { + this.autoSizeSVG = true; + } } - }; - - /** - * Apply a scrollTop - * @param {Number} scrollTop - * @returns {Number} scrollTop Returns the applied scrollTop - * @private - */ - Core.prototype._setScrollTop = function (scrollTop) { - this.props.scrollTop = scrollTop; - this._updateScrollTop(); - return this.props.scrollTop; - }; - /** - * Update the current scrollTop when the height of the containers has been changed - * @returns {Number} scrollTop Returns the applied scrollTop - * @private - */ - 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); + // 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.props.scrollTopMin = scrollTopMin; + this.autoSizeSVG = false; + } + else { + this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; } - // 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; + // zoomed is here to ensure that animations are shown correctly. + if (resized == true || zoomed == true || this.abortedGraphUpdate == true || forceGraphUpdate == true) { + resized = this._updateGraph() || resized; + } + else { + // move the whole svg while dragging + if (this.lastStart != 0) { + var offset = this.body.range.start - this.lastStart; + var range = this.body.range.end - this.body.range.start; + if (this.props.width != 0) { + var rangePerPixelInv = this.props.width/range; + var xOffset = offset * rangePerPixelInv; + this.svg.style.left = (-this.props.width - xOffset) + 'px'; + } + } + } - return this.props.scrollTop; - }; + this.legendLeft.redraw(); + this.legendRight.redraw(); - /** - * Get the current scrollTop - * @returns {number} scrollTop - * @private - */ - Core.prototype._getScrollTop = function () { - return this.props.scrollTop; + return resized; }; - module.exports = Core; - - -/***/ }, -/* 26 */ -/***/ function(module, exports, __webpack_require__) { - - var Hammer = __webpack_require__(19); - var util = __webpack_require__(1); - var DataSet = __webpack_require__(7); - var DataView = __webpack_require__(9); - var Component = __webpack_require__(23); - var Group = __webpack_require__(27); - var BackgroundGroup = __webpack_require__(31); - var BoxItem = __webpack_require__(32); - var PointItem = __webpack_require__(33); - var RangeItem = __webpack_require__(29); - var BackgroundItem = __webpack_require__(34); - - - var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items - var BACKGROUND = '__background__'; // reserved group id for background items without group /** - * 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 + * Update and redraw the graph. + * */ - function ItemSet(body, options) { - this.body = body; + LineGraph.prototype._updateGraph = function () { + // reset the svg elements + DOMutil.prepareElements(this.svgElements); + if (this.props.width != 0 && this.itemsData != null) { + var group, i; + var preprocessedGroupData = {}; + var processedGroupData = {}; + var groupRanges = {}; + var changeCalled = false; - this.defaultOptions = { - type: null, // 'box', 'point', 'range', 'background' - orientation: 'bottom', // 'top' or 'bottom' - align: 'auto', // alignment of box items - stack: true, - groupOrder: null, + // getting group Ids + var groupIds = []; + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + group = this.groups[groupId]; + if (group.visible == true && (this.options.groups.visibility[groupId] === undefined || this.options.groups.visibility[groupId] == true)) { + groupIds.push(groupId); + } + } + } + if (groupIds.length > 0) { + // this is the range of the SVG canvas + var minDate = this.body.util.toGlobalTime(-this.body.domProps.root.width); + var maxDate = this.body.util.toGlobalTime(2 * this.body.domProps.root.width); + var groupsData = {}; + // fill groups data, this only loads the data we require based on the timewindow + this._getRelevantData(groupIds, groupsData, minDate, maxDate); - selectable: true, - editable: { - updateTime: false, - updateGroup: false, - add: false, - remove: false - }, + // apply sampling, if disabled, it will pass through this function. + this._applySampling(groupIds, groupsData); - 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); - }, + // we transform the X coordinates to detect collisions + for (i = 0; i < groupIds.length; i++) { + preprocessedGroupData[groupIds[i]] = this._convertXcoordinates(groupsData[groupIds[i]]); + } - margin: { - item: { - horizontal: 10, - vertical: 10 - }, - axis: 20 - }, - padding: 5 - }; + // now all needed data has been collected we start the processing. + this._getYRanges(groupIds, preprocessedGroupData, groupRanges); - // options is shared by this ItemSet and all its items - this.options = util.extend({}, this.defaultOptions); + // 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; - // options for getting items from the DataSet with the correct type - this.itemOptions = { - type: {start: 'Date', end: 'Date'} - }; + // 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); + } - this.conversion = { - toScreen: body.util.toScreen, - toTime: body.util.toTime - }; - this.dom = {}; - this.props = {}; - this.hammer = null; + // 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); + } + } + } - var me = this; - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + // cleanup unused svg elements + DOMutil.cleanupElements(this.svgElements); + return false; + }; - // 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); + /** + * 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 + */ + 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); + } + } + } + } } - }; + } + }; - this.items = {}; // object with an Item for every data item - this.groups = {}; // Group object for every group - this.groupIds = []; - this.selection = []; // list with the ids of all selected nodes - this.stackDirty = true; // if true, all items will be restacked on next redraw + /** + * + * @param groupIds + * @param groupsData + * @private + */ + LineGraph.prototype._applySampling = function (groupIds, groupsData) { + var group; + if (groupIds.length > 0) { + for (var i = 0; i < groupIds.length; i++) { + group = this.groups[groupIds[i]]; + if (group.options.sampling == true) { + var dataContainer = groupsData[groupIds[i]]; + if (dataContainer.length > 0) { + var increment = 1; + var amountOfPoints = dataContainer.length; - this.touchParams = {}; // stores properties while dragging - // create the HTML DOM + // 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))); - this._create(); + var sampledData = []; + for (var j = 0; j < amountOfPoints; j += increment) { + sampledData.push(dataContainer[j]); - this.setOptions(options); - } + } + groupsData[groupIds[i]] = sampledData; + } + } + } + } + }; - ItemSet.prototype = new Component(); - // available item types will be registered here - ItemSet.types = { - background: BackgroundItem, - box: BoxItem, - range: RangeItem, - point: PointItem + /** + * + * + * @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]); + } + } + } + + // 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'); + } }; + /** - * Create the HTML DOM for the ItemSet + * 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 */ - ItemSet.prototype._create = function(){ - var frame = document.createElement('div'); - frame.className = 'itemset'; - frame['timeline-itemset'] = this; - this.dom.frame = frame; + 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; + } + } - // create background panel - var background = document.createElement('div'); - background.className = 'background'; - frame.appendChild(background); - this.dom.background = background; + // 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; - // create foreground panel - var foreground = document.createElement('div'); - foreground.className = 'foreground'; - frame.appendChild(foreground); - this.dom.foreground = foreground; + 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; + } + } + } + } - // create axis panel - var axis = document.createElement('div'); - axis.className = 'axis'; - this.dom.axis = axis; + 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; + 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; - // create labelset - var labelSet = document.createElement('div'); - labelSet.className = 'labelset'; - this.dom.labelSet = labelSet; + if (this.yAxisRight.master == false) { + if (yAxisRightUsed == true) {this.yAxisLeft.lineOffset = this.yAxisRight.width;} + else {this.yAxisLeft.lineOffset = 0;} - // create ungrouped Group - this._updateUngrouped(); + 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; + } - // create background Group - var backgroundGroup = new BackgroundGroup(BACKGROUND, null, this); - backgroundGroup.show(); - this.groups[BACKGROUND] = backgroundGroup; + // 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); + } - // 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 - }); + return changeCalled; + }; - // 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)); + /** + * 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 + */ + 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; + }; - // multi select when holding mouse/touch, or on ctrl+click - this.hammer.on('hold', this._onMultiSelectItem.bind(this)); - // add item on doubletap - this.hammer.on('doubletap', this._onAddItem.bind(this)); + /** + * 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 + */ + LineGraph.prototype._convertXcoordinates = function (datapoints) { + var extractedData = []; + var xValue, yValue; + var toScreen = this.body.util.toScreen; - // attach to the DOM - this.show(); + for (var i = 0; i < datapoints.length; i++) { + xValue = toScreen(datapoints[i].x) + this.props.width; + yValue = datapoints[i].y; + extractedData.push({x: xValue, y: yValue}); + } + + return extractedData; }; + /** - * 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. + * 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 */ - ItemSet.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - var fields = ['type', 'align', 'orientation', 'padding', 'stack', 'selectable', 'groupOrder', 'dataAttributes', 'template','hide']; - util.selectiveExtend(fields, this.options, options); - - if ('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); - } - } - } - } + 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; + } - 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); - } - } + for (var i = 0; i < datapoints.length; i++) { + xValue = toScreen(datapoints[i].x) + this.props.width; + yValue = Math.round(axis.convertValue(datapoints[i].y)); + extractedData.push({x: xValue, y: yValue}); + } - // 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); + group.setZeroPosition(Math.min(svgHeight, axis.convertValue(0))); - // force the itemSet to refresh: options like orientation and margins may be changed - this.markDirty(); - } + return extractedData; }; - /** - * Mark the ItemSet dirty so it will refresh everything with next redraw - */ - ItemSet.prototype.markDirty = function() { - this.groupIds = []; - this.stackDirty = true; - }; - /** - * Destroy the ItemSet - */ - ItemSet.prototype.destroy = function() { - this.hide(); - this.setItems(null); - this.setGroups(null); + module.exports = LineGraph; - this.hammer = null; - this.body = null; - this.conversion = null; - }; +/***/ }, +/* 30 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Component = __webpack_require__(20); + var TimeStep = __webpack_require__(19); + var DateUtil = __webpack_require__(15); + var moment = __webpack_require__(44); /** - * Hide the component from the DOM + * 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 */ - ItemSet.prototype.hide = function() { - // remove the frame containing the items - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } + 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 + }; - // remove the axis with dots - if (this.dom.axis.parentNode) { - this.dom.axis.parentNode.removeChild(this.dom.axis); - } + this.defaultOptions = { + orientation: 'bottom', // supported: 'top', 'bottom' + // TODO: implement timeaxis orientations 'left' and 'right' + showMinorLabels: true, + showMajorLabels: true, + showMajorLines: true, + showMinorLines: true, + format: null + }; + this.options = util.extend({}, this.defaultOptions); - // remove the labelset containing all group labels - if (this.dom.labelSet.parentNode) { - this.dom.labelSet.parentNode.removeChild(this.dom.labelSet); - } - }; + this.body = body; - /** - * 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); - } + // create the HTML DOM + this._create(); - // show axis with dots - if (!this.dom.axis.parentNode) { - this.body.dom.backgroundVertical.appendChild(this.dom.axis); - } + this.setOptions(options); + } - // show labelset containing labels - if (!this.dom.labelSet.parentNode) { - this.body.dom.left.appendChild(this.dom.labelSet); - } - }; + TimeAxis.prototype = new Component(); /** - * 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. + * Set options for the TimeAxis. + * Parameters will be merged in current options. + * @param {Object} options Available options: + * {string} [orientation] + * {boolean} [showMinorLabels] + * {boolean} [showMajorLabels] */ - 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(); - } + TimeAxis.prototype.setOptions = function(options) { + if (options) { + // copy all options that we know + util.selectiveExtend(['orientation', 'showMinorLabels', 'showMajorLabels', 'showMinorLines', 'showMajorLines','hiddenDates', 'format'], this.options, options); - // 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(); + // 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); + } } } }; /** - * Get the selected items by their id - * @return {Array} ids The ids of the selected items - */ - ItemSet.prototype.getSelection = function() { - return this.selection.concat([]); - }; - - /** - * Get the id's of the currently visible items. - * @returns {Array} The ids of the visible items + * Create the HTML DOM for the TimeAxis */ - 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); - } - } - } - } + TimeAxis.prototype._create = function() { + this.dom.foreground = document.createElement('div'); + this.dom.background = document.createElement('div'); - return ids; + this.dom.foreground.className = 'timeaxis foreground'; + this.dom.background.className = 'timeaxis background'; }; /** - * Deselect a selected item - * @param {String | Number} id - * @private + * Destroy the TimeAxis */ - 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; - } + 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); } + + this.body = null; }; /** * Repaint the component * @return {boolean} Returns true if the component is resized */ - ItemSet.prototype.redraw = function() { - var margin = this.options.margin, - range = this.body.range, - asSize = util.option.asSize, - options = this.options, - orientation = options.orientation, - resized = false, - frame = this.dom.frame, - editable = options.editable.updateTime || options.editable.updateGroup; - - // recalculate absolute position (before redrawing groups) - this.props.top = this.body.domProps.top.height + this.body.domProps.border.top; - this.props.left = this.body.domProps.left.width + this.body.domProps.border.left; - - // update class name - frame.className = 'itemset' + (editable ? ' editable' : ''); + TimeAxis.prototype.redraw = function () { + var options = this.options; + var props = this.props; + var foreground = this.dom.foreground; + var background = this.dom.background; - // reorder the groups (if needed) - resized = this._orderGroups() || resized; + // 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); - // 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; + // calculate character width and height + this._calculateCharSize(); - 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; + // 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; - // redraw the background group - this.groups[BACKGROUND].redraw(range, nonFirstMargin, restack); + // 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; - // 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; + 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 - // update frame height - frame.style.height = asSize(height); + // 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); - // calculate actual size - this.props.width = frame.offsetWidth; - this.props.height = height; + foreground.style.height = this.props.height + 'px'; - // reposition axis - this.dom.axis.style.top = asSize((orientation == 'top') ? - (this.body.domProps.top.height + this.body.domProps.border.top) : - (this.body.domProps.top.height + this.body.domProps.centerContainer.height)); - this.dom.axis.style.left = '0'; + this._repaintLabels(); - // check if this component is resized - resized = this._isResized() || resized; + // 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 resized; + return this._isResized() || parentChanged; }; /** - * Get the first group, aligned with the axis - * @return {Group | null} firstGroup + * Repaint major and minor text labels and vertical grid lines * @private */ - ItemSet.prototype._firstGroup = function() { - var firstGroupIndex = (this.options.orientation == 'top') ? 0 : (this.groupIds.length - 1); - var firstGroupId = this.groupIds[firstGroupIndex]; - var firstGroup = this.groups[firstGroupId] || this.groups[UNGROUPED]; - - return firstGroup || null; - }; - - /** - * Create or delete the group holding all ungrouped items. This group is used when - * there are no groups specified. - * @protected - */ - ItemSet.prototype._updateUngrouped = function() { - var ungrouped = this.groups[UNGROUPED]; - var background = this.groups[BACKGROUND]; - var item, itemId; - - if (this.groupsData) { - // remove the group holding all ungrouped items - if (ungrouped) { - ungrouped.hide(); - delete this.groups[UNGROUPED]; - - for (itemId in this.items) { - if (this.items.hasOwnProperty(itemId)) { - item = this.items[itemId]; - item.parent && item.parent.remove(item); - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - group && group.add(item) || item.hide(); - } - } - } - } - 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; + TimeAxis.prototype._repaintLabels = function () { + var orientation = this.options.orientation; - for (itemId in this.items) { - if (this.items.hasOwnProperty(itemId)) { - item = this.items[itemId]; - ungrouped.add(item); - } - } + // 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(); - ungrouped.show(); - } + 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; - /** - * Get the element for the labelset - * @return {HTMLElement} labelSet - */ - ItemSet.prototype.getLabelSet = function() { - return this.dom.labelSet; - }; + // 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 = []; - /** - * Set items - * @param {vis.DataSet | null} items - */ - ItemSet.prototype.setItems = function(items) { - var me = this, - ids, - oldItemsData = this.itemsData; + 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(); - // 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'); + + // TODO: lines must have a width, such that we can create css backgrounds + + if (this.options.showMinorLabels) { + this._repaintMinorText(x, step.getLabelMinor(), orientation); + } + + if (isMajor && this.options.showMajorLabels) { + if (x > 0) { + if (xFirstMajorLabel == undefined) { + xFirstMajorLabel = x; + } + this._repaintMajorText(x, step.getLabelMajor(), orientation); + } + if (this.options.showMajorLines == true) { + this._repaintMajorLine(x, orientation); + } + } + else if (this.options.showMinorLines == true) { + this._repaintMinorLine(x, orientation); + } + + step.next(); } - if (oldItemsData) { - // unsubscribe from old dataset - util.forEach(this.itemListeners, function (callback, event) { - oldItemsData.off(event, callback); - }); + // 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 - // remove all drawn items - ids = oldItemsData.getIds(); - this._onRemove(ids); + if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { + this._repaintMajorText(0, leftText, orientation); + } } - if (this.itemsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.itemListeners, function (callback, event) { - me.itemsData.on(event, callback, id); - }); + // 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); + } + } + }); + }; - // add all new items - ids = this.itemsData.getIds(); - this._onAdd(ids); + /** + * Create a minor label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @private + */ + TimeAxis.prototype._repaintMinorText = function (x, text, orientation) { + // reuse redundant label + var label = this.dom.redundant.minorTexts.shift(); - // update the group holding all ungrouped items - this._updateUngrouped(); + 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 }; /** - * Get the current items - * @returns {vis.DataSet | null} + * Create a Major label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @private */ - ItemSet.prototype.getItems = function() { - return this.itemsData; + 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'; }; /** - * Set groups - * @param {vis.DataSet} groups + * Create a minor line for the axis at position x + * @param {Number} x + * @param {String} orientation "top" or "bottom" (default) + * @private */ - ItemSet.prototype.setGroups = function(groups) { - var me = this, - ids; + TimeAxis.prototype._repaintMinorLine = function (x, orientation) { + // reuse redundant line + var line = this.dom.redundant.minorLines.shift(); - // unsubscribe from current dataset - if (this.groupsData) { - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.unsubscribe(event, callback); - }); + if (!line) { + // create vertical line + line = document.createElement('div'); + line.className = 'grid vertical minor'; + this.dom.background.appendChild(line); + } + this.dom.minorLines.push(line); - // remove all drawn groups - ids = this.groupsData.getIds(); - this.groupsData = null; - this._onRemoveGroups(ids); // note: this will cause a redraw + var props = this.props; + if (orientation == 'top') { + line.style.top = props.majorLabelHeight + 'px'; + } + else { + line.style.top = this.body.domProps.top.height + 'px'; } + line.style.height = props.minorLineHeight + 'px'; + line.style.left = (x - props.minorLineWidth / 2) + 'px'; + }; - // replace the dataset - if (!groups) { - this.groupsData = null; + /** + * 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); } - else if (groups instanceof DataSet || groups instanceof DataView) { - this.groupsData = groups; + this.dom.majorLines.push(line); + + var props = this.props; + if (orientation == 'top') { + line.style.top = '0'; } else { - throw new TypeError('Data must be an instance of DataSet or DataView'); + line.style.top = this.body.domProps.top.height + 'px'; } + line.style.left = (x - props.majorLineWidth / 2) + 'px'; + line.style.height = props.majorLineHeight + 'px'; + }; - if (this.groupsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.on(event, callback, id); - }); + /** + * 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. - // draw all ms - ids = this.groupsData.getIds(); - this._onAddGroups(ids); - } + // 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'; - // update the group holding all ungrouped items - this._updateUngrouped(); + 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; - // update the order of all items in each group - this._order(); + // determine the char width and height on the major axis + if (!this.dom.measureCharMajor) { + this.dom.measureCharMajor = document.createElement('DIV'); + this.dom.measureCharMajor.className = 'text major measure'; + this.dom.measureCharMajor.style.position = 'absolute'; - this.body.emitter.emit('change', {queue: true}); + this.dom.measureCharMajor.appendChild(document.createTextNode('0')); + this.dom.foreground.appendChild(this.dom.measureCharMajor); + } + this.props.majorCharHeight = this.dom.measureCharMajor.clientHeight; + this.props.majorCharWidth = this.dom.measureCharMajor.clientWidth; }; /** - * Get the current groups - * @returns {vis.DataSet | null} groups + * 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 */ - ItemSet.prototype.getGroups = function() { - return this.groupsData; + TimeAxis.prototype.snap = function(date) { + return this.step.snap(date); }; + module.exports = TimeAxis; + + +/***/ }, +/* 31 */ +/***/ function(module, exports, __webpack_require__) { + + var Hammer = __webpack_require__(45); + var util = __webpack_require__(1); + /** - * Remove an item by its id - * @param {String | Number} id + * @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 */ - ItemSet.prototype.removeItem = function(id) { - var item = this.itemsData.get(id), - dataset = this.itemsData.getDataSet(); + function Item (data, conversion, options) { + this.id = null; + this.parent = null; + this.data = data; + this.dom = null; + this.conversion = conversion || {}; + this.options = options || {}; - 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); - } - }); - } + this.selected = false; + this.displayed = false; + this.dirty = true; + + this.top = null; + this.left = null; + this.width = null; + this.height = null; + } + + Item.prototype.stack = true; + + /** + * Select current item + */ + Item.prototype.select = function() { + this.selected = true; + this.dirty = true; + if (this.displayed) this.redraw(); }; /** - * Get the time of an item based on it's data and options.type - * @param {Object} itemData - * @returns {string} Returns the type - * @private + * Unselect current item */ - ItemSet.prototype._getType = function (itemData) { - return itemData.type || this.options.type || (itemData.end ? 'range' : 'box'); + 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(); + }; /** - * Get the group id for an item - * @param {Object} itemData - * @returns {string} Returns the groupId - * @private + * Set a parent for the item + * @param {ItemSet | Group} parent */ - ItemSet.prototype._getGroupId = function (itemData) { - var type = this._getType(itemData); - if (type == 'background' && itemData.group == undefined) { - return BACKGROUND; + Item.prototype.setParent = function(parent) { + if (this.displayed) { + this.hide(); + this.parent = parent; + if (this.parent) { + this.show(); + } } else { - return this.groupsData ? itemData.group : UNGROUPED; + this.parent = parent; } }; /** - * Handle updated items - * @param {Number[]} ids - * @protected + * 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 */ - 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}); + Item.prototype.isVisible = function(range) { + // Should be implemented by Item implementations + return false; }; /** - * Handle added items - * @param {Number[]} ids - * @protected + * Show the Item in the DOM (when not already visible) + * @return {Boolean} changed */ - ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; + Item.prototype.show = function() { + return false; + }; /** - * Handle removed items - * @param {Number[]} ids - * @protected + * Hide the Item from the DOM (when visible) + * @return {Boolean} changed */ - 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); - } - }); + Item.prototype.hide = function() { + return false; + }; - if (count) { - // update order - this._order(); - this.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change', {queue: true}); - } + /** + * Repaint the item + */ + Item.prototype.redraw = function() { + // should be implemented by the item }; /** - * Update the order of item in all groups - * @private + * Reposition the Item horizontally */ - 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(); - }); + Item.prototype.repositionX = function() { + // should be implemented by the item }; /** - * Handle updated groups - * @param {Number[]} ids - * @private + * Reposition the Item vertically */ - ItemSet.prototype._onUpdateGroups = function(ids) { - this._onAddGroups(ids); + Item.prototype.repositionY = function() { + // should be implemented by the item }; /** - * Handle changed groups (added or updated) - * @param {Number[]} ids - * @private + * Repaint a delete button on the top right of the item when the item is selected + * @param {HTMLElement} anchor + * @protected */ - ItemSet.prototype._onAddGroups = function(ids) { - var me = this; + Item.prototype._repaintDeleteButton = function (anchor) { + if (this.selected && this.options.editable.remove && !this.dom.deleteButton) { + // create and show button + var me = this; - ids.forEach(function (id) { - var groupData = me.groupsData.get(id); - var group = me.groups[id]; + var deleteButton = document.createElement('div'); + deleteButton.className = 'delete'; + deleteButton.title = 'Delete this item'; - if (!group) { - // check for reserved ids - if (id == UNGROUPED || id == BACKGROUND) { - throw new Error('Illegal group id. ' + id + ' is a reserved id.'); - } + Hammer(deleteButton, { + preventDefault: true + }).on('tap', function (event) { + me.parent.removeFromDataSet(me); + event.stopPropagation(); + }); - var groupOptions = Object.create(me.options); - util.extend(groupOptions, { - height: null - }); - - group = new Group(id, groupData, me); - me.groups[id] = group; - - // add items with this groupId to the new group - for (var itemId in me.items) { - if (me.items.hasOwnProperty(itemId)) { - var item = me.items[itemId]; - if (item.data.group == id) { - group.add(item); - } - } - } - - group.order(); - group.show(); - } - else { - // update group - group.setData(groupData); + 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.body.emitter.emit('change', {queue: true}); + this.dom.deleteButton = null; + } }; /** - * Handle removed groups - * @param {Number[]} ids + * Set HTML contents for the item + * @param {Element} element HTML element to fill with the contents * @private */ - ItemSet.prototype._onRemoveGroups = function(ids) { - var groups = this.groups; - ids.forEach(function (id) { - var group = groups[id]; + 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; + } - if (group) { - group.hide(); - delete groups[id]; + 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.markDirty(); - this.body.emitter.emit('change', {queue: true}); + this.content = content; + } }; /** - * Reorder the groups if needed - * @return {boolean} changed + * Set HTML contents for the item + * @param {Element} element HTML element to fill with the contents * @private */ - ItemSet.prototype._orderGroups = function () { - if (this.groupsData) { - // reorder the groups - var groupIds = this.groupsData.getIds({ - order: this.options.groupOrder - }); - - var changed = !util.equalArray(groupIds, this.groupIds); - if (changed) { - // hide all groups, removes them from the DOM - var groups = this.groups; - groupIds.forEach(function (groupId) { - groups[groupId].hide(); - }); - - // show the groups again, attach them to the DOM in correct order - groupIds.forEach(function (groupId) { - groups[groupId].show(); - }); - - this.groupIds = groupIds; - } - - return changed; + Item.prototype._updateTitle = function (element) { + if (this.data.title != null) { + element.title = this.data.title || ''; } else { - return false; + element.removeAttribute('title'); } }; /** - * Add a new item - * @param {Item} item + * 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 */ - ItemSet.prototype._addItem = function(item) { - this.items[item.id] = item; + Item.prototype._updateDataAttributes = function(element) { + if (this.options.dataAttributes && this.options.dataAttributes.length > 0) { + var attributes = []; - // add to group - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - if (group) group.add(item); + if (Array.isArray(this.options.dataAttributes)) { + attributes = this.options.dataAttributes; + } + else if (this.options.dataAttributes == 'all') { + attributes = Object.keys(this.data); + } + 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); + } + else { + element.removeAttribute('data-' + name); + } + } + } }; /** - * Update an existing item - * @param {Item} item - * @param {Object} itemData + * Update custom styles of the element + * @param element * @private */ - ItemSet.prototype._updateItem = function(item, itemData) { - var oldGroupId = item.data.group; - - // update the items data (will redraw the item when displayed) - item.setData(itemData); - - // update group - if (oldGroupId != item.data.group) { - var oldGroup = this.groups[oldGroupId]; - if (oldGroup) oldGroup.remove(item); + Item.prototype._updateStyle = function(element) { + // remove old styles + if (this.style) { + util.removeCssText(element, this.style); + this.style = null; + } - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - if (group) group.add(item); + // append new styles + if (this.data.style) { + util.addCssText(element, this.data.style); + this.style = this.data.style; } }; - /** - * 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(); + module.exports = Item; - // remove from items - delete this.items[item.id]; - // remove from selection - var index = this.selection.indexOf(item.id); - if (index != -1) this.selection.splice(index, 1); +/***/ }, +/* 32 */ +/***/ function(module, exports, __webpack_require__) { - // remove from group - item.parent && item.parent.remove(item); - }; + var Hammer = __webpack_require__(45); + var Item = __webpack_require__(31); + var BackgroundGroup = __webpack_require__(26); + var RangeItem = __webpack_require__(35); /** - * Create an array containing all items being a range (having an end date) - * @param array - * @returns {Array} - * @private + * @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 */ - ItemSet.prototype._constructByEndArray = function(array) { - var endArray = []; + // 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 - for (var i = 0; i < array.length; i++) { - if (array[i] instanceof RangeItem) { - endArray.push(array[i]); + // 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); } } - return endArray; - }; + + Item.call(this, data, conversion, options); + + this.emptyContent = false; + } + + BackgroundItem.prototype = new Item (null, null, null); + + BackgroundItem.prototype.baseClassName = 'item background'; + BackgroundItem.prototype.stack = false; /** - * 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 + * 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 */ - ItemSet.prototype._onTouch = function (event) { - // store the touched item, used in _onDragStart - this.touchParams.item = ItemSet.itemFromTarget(event); + BackgroundItem.prototype.isVisible = function(range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); }; /** - * Start dragging the selected events - * @param {Event} event - * @private + * Repaint the item */ - ItemSet.prototype._onDragStart = function (event) { - if (!this.options.editable.updateTime && !this.options.editable.updateGroup) { - return; - } + BackgroundItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - var item = this.touchParams.item || null; - var me = this; - var props; + // background box + dom.box = document.createElement('div'); + // className is updated in redraw() - if (item && item.selected) { - var dragLeftItem = event.target.dragLeftItem; - var dragRightItem = event.target.dragRightItem; + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); - if (dragLeftItem) { - props = { - item: dragLeftItem, - initialX: event.gesture.center.clientX - }; + // Note: we do NOT attach this item as attribute to the DOM, + // such that background items cannot be selected + //dom.box['timeline-item'] = this; - 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; - } + this.dirty = true; + } - this.touchParams.itemProps = [props]; + // 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'); } - else if (dragRightItem) { - props = { - item: dragRightItem, - initialX: event.gesture.center.clientX - }; + background.appendChild(dom.box); + } + this.displayed = true; - 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; - } + // 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.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 - }; + // update class + var className = (this.data.className ? (' ' + this.data.className) : '') + + (this.selected ? ' selected' : ''); + dom.box.className = this.baseClassName + className; - 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; - } + // determine from css whether this box has overflow + this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; - return props; - }); - } + // 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 - event.stopPropagation(); + this.dirty = false; } }; /** - * Drag selected items - * @param {Event} event - * @private + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. */ - ItemSet.prototype._onDrag = function (event) { - event.preventDefault() - - if (this.touchParams.itemProps) { - var me = this; - var snap = this.body.util.snap || null; - var xOffset = this.body.dom.root.offsetLeft + this.body.domProps.left.width; + BackgroundItem.prototype.show = RangeItem.prototype.show; - // 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; + /** + * Hide the item from the DOM (when visible) + * @return {Boolean} changed + */ + BackgroundItem.prototype.hide = RangeItem.prototype.hide; - if ('start' in props) { - var start = new Date(props.start + offset); - newProps.start = snap ? snap(start) : start; - } + /** + * Reposition the item horizontally + * @Override + */ + BackgroundItem.prototype.repositionX = RangeItem.prototype.repositionX; - if ('end' in props) { - var end = new Date(props.end + offset); - newProps.end = snap ? snap(end) : end; - } + /** + * 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; - if ('group' in props) { - // drag from one group to another - var group = ItemSet.groupFromTarget(event); - newProps.group = group && group.groupId; + // 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; + } + } } - // 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); + // 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; + } } - }); - }); - - this.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change'); - - event.stopPropagation(); + } + height = this.parent.subgroups[itemSubgroup].height + margin.item.vertical; + this.dom.box.style.top = newTop + 'px'; + this.dom.box.style.bottom = ''; + } } - }; - - /** - * 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) + // and in the case of no subgroups: + else { + // we want backgrounds with groups to only show in groups. + if (this.parent instanceof BackgroundGroup) { + // if the item is not in a group: + height = Math.max(this.parent.height, + this.parent.itemSet.body.domProps.center.height, + this.parent.itemSet.body.domProps.centerContainer.height); + this.dom.box.style.top = onTop ? '0' : ''; + this.dom.box.style.bottom = onTop ? '' : '0'; + } + else { + height = this.parent.height; + // same alignment for items when orientation is top or bottom + this.dom.box.style.top = this.parent.top + 'px'; + this.dom.box.style.bottom = ''; + } } + this.dom.box.style.height = height + 'px'; }; - /** - * 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(); + module.exports = BackgroundItem; - item.data.group = group.groupId; - } - }; - /** - * End of dragging selected items - * @param {Event} event - * @private - */ - ItemSet.prototype._onDragEnd = function (event) { - event.preventDefault() +/***/ }, +/* 33 */ +/***/ function(module, exports, __webpack_require__) { - if (this.touchParams.itemProps) { - // prepare a change set for the changed items - var changes = [], - me = this, - dataset = this.itemsData.getDataSet(); - - var itemProps = this.touchParams.itemProps ; - this.touchParams.itemProps = null; - itemProps.forEach(function (props) { - var id = props.item.id, - itemData = me.itemsData.get(id, me.itemOptions); - - var changed = false; - if ('start' in props.item.data) { - changed = (props.start != props.item.data.start.valueOf()); - itemData.start = util.convert(props.item.data.start, - dataset._options.type && dataset._options.type.start || 'Date'); - } - if ('end' in props.item.data) { - changed = changed || (props.end != props.item.data.end.valueOf()); - itemData.end = util.convert(props.item.data.end, - dataset._options.type && dataset._options.type.end || 'Date'); - } - if ('group' in props.item.data) { - changed = changed || (props.group != props.item.data.group); - itemData.group = props.item.data.group; - } - - // only apply changes when start or end is actually changed - if (changed) { - me.options.onMove(itemData, function (itemData) { - if (itemData) { - // apply changes - itemData[dataset._fieldId] = id; // ensure the item contains its id (can be undefined) - changes.push(itemData); - } - else { - // restore original values - me._updateItemProps(props.item, props); - - me.stackDirty = true; // force re-stacking of all items next redraw - me.body.emitter.emit('change'); - } - }); - } - }); - - // apply the changes to the data (if there are changes) - if (changes.length) { - dataset.update(changes); - } - - event.stopPropagation(); - } - }; + var Item = __webpack_require__(31); + var util = __webpack_require__(1); /** - * Handle selecting/deselecting an item when tapping it - * @param {Event} event - * @private + * @constructor BoxItem + * @extends Item + * @param {Object} data Object containing parameters start + * content, className. + * @param {{toScreen: function, toTime: function}} conversion + * Conversion functions from time to screen and vice versa + * @param {Object} [options] Configuration options + * // TODO: describe available options */ - ItemSet.prototype._onSelectItem = function (event) { - if (!this.options.selectable) return; + function BoxItem (data, conversion, options) { + this.props = { + dot: { + width: 0, + height: 0 + }, + line: { + width: 0, + height: 0 + } + }; - 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; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } } - var oldSelection = this.getSelection(); - - var item = ItemSet.itemFromTarget(event); - var selection = item ? [item.id] : []; - this.setSelection(selection); + Item.call(this, data, conversion, options); + } - var newSelection = this.getSelection(); + BoxItem.prototype = new Item (null, null, null); - // 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 - }); - } + /** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ + BoxItem.prototype.isVisible = function(range) { + // determine visibility + // TODO: account for the real width of the item. Right now we just add 1/4 to the window + var interval = (range.end - range.start) / 4; + return (this.data.start > range.start - interval) && (this.data.start < range.end + interval); }; /** - * Handle creation and updates of an item on double tap - * @param event - * @private + * Repaint the item */ - ItemSet.prototype._onAddItem = function (event) { - if (!this.options.selectable) return; - if (!this.options.editable.add) return; - - var me = this, - snap = this.body.util.snap || null, - item = ItemSet.itemFromTarget(event); + BoxItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - if (item) { - // update item + // create main box + dom.box = document.createElement('DIV'); - // 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' - }; + // contents box (inside the background box). used for making margins + dom.content = document.createElement('DIV'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); - // 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; - } + // line to axis + dom.line = document.createElement('DIV'); + dom.line.className = 'line'; - newItem[this.itemsData._fieldId] = util.randomUUID(); + // dot on axis + dom.dot = document.createElement('DIV'); + dom.dot.className = 'dot'; - var group = ItemSet.groupFromTarget(event); - if (group) { - newItem.group = group.groupId; - } + // attach this item as attribute + dom.box['timeline-item'] = this; - // execute async handler to customize (or cancel) adding an item - this.options.onAdd(newItem, function (item) { - if (item) { - me.itemsData.getDataSet().add(item); - // TODO: need to trigger a redraw? - } - }); + this.dirty = true; } - }; - - /** - * Handle selecting/deselecting multiple items when holding an item - * @param {Event} event - * @private - */ - 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 + // 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); + } + this.displayed = true; - 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 + // 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); - // determine the selection range - selection.push(item.id); - var range = ItemSet._getItemRange(this.itemsData.get(selection, this.itemOptions)); + // 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; - // 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; + // 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; - 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.dirty = false; + } - this.setSelection(selection); + this._repaintDeleteButton(dom.box); + }; - this.body.emitter.emit('select', { - items: this.getSelection() - }); + /** + * 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(); } }; /** - * 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 + * Hide the item from the DOM (when visible) */ - ItemSet._getItemRange = function(itemsData) { - var max = null; - var min = null; + BoxItem.prototype.hide = function() { + if (this.displayed) { + var dom = this.dom; - itemsData.forEach(function (data) { - if (min == null || data.start < min) { - min = data.start; - } + 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); - if (data.end != undefined) { - if (max == null || data.end > max) { - max = data.end; - } - } - else { - if (max == null || data.start > max) { - max = data.start; - } - } - }); + this.top = null; + this.left = null; - return { - min: min, - max: max + this.displayed = false; } }; /** - * 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 + * Reposition the item horizontally + * @Override */ - ItemSet.itemFromTarget = function(event) { - var target = event.target; - while (target) { - if (target.hasOwnProperty('timeline-item')) { - return target['timeline-item']; - } - target = target.parentNode; + 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 { + // default or 'center' + this.left = start - this.width / 2; } - return null; - }; + // reposition box + box.style.left = this.left + 'px'; - /** - * 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; - } + // reposition line + line.style.left = (start - this.props.line.width / 2) + 'px'; - return null; + // reposition dot + dot.style.left = (start - this.props.dot.width / 2) + 'px'; }; /** - * 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 + * Reposition the item vertically + * @Override */ - ItemSet.itemSetFromTarget = function(event) { - var target = event.target; - while (target) { - if (target.hasOwnProperty('timeline-itemset')) { - return target['timeline-itemset']; - } - target = target.parentNode; + BoxItem.prototype.repositionY = function() { + var orientation = this.options.orientation; + var box = this.dom.box; + var line = this.dom.line; + var dot = this.dom.dot; + + if (orientation == 'top') { + box.style.top = (this.top || 0) + 'px'; + + line.style.top = '0'; + line.style.height = (this.parent.top + this.top + 1) + 'px'; + line.style.bottom = ''; + } + else { // orientation 'bottom' + var itemSetHeight = this.parent.itemSet.props.height; // TODO: this is nasty + var lineHeight = itemSetHeight - this.parent.top - this.parent.height + this.top; + + box.style.top = (this.parent.height - this.top - this.height || 0) + 'px'; + line.style.top = (itemSetHeight - lineHeight) + 'px'; + line.style.bottom = '0'; } - return null; + dot.style.top = (-this.props.dot.height / 2) + 'px'; }; - module.exports = ItemSet; + module.exports = BoxItem; /***/ }, -/* 27 */ +/* 34 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var stack = __webpack_require__(28); - var RangeItem = __webpack_require__(29); + var Item = __webpack_require__(31); /** - * @constructor Group - * @param {Number | String} groupId - * @param {Object} data - * @param {ItemSet} itemSet + * @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 Group (groupId, data, itemSet) { - this.groupId = groupId; - this.subgroups = {}; - this.subgroupIndex = 0; - this.subgroupOrderer = data && data.subgroupOrder; - this.itemSet = itemSet; - - this.dom = {}; + function PointItem (data, conversion, options) { this.props = { - label: { + dot: { + top: 0, width: 0, height: 0 + }, + content: { + height: 0, + marginLeft: 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._create(); + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } + } - this.setData(data); + Item.call(this, data, conversion, options); } + PointItem.prototype = new Item (null, null, null); + /** - * Create DOM elements for the group - * @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 */ - Group.prototype._create = function() { - var label = document.createElement('div'); - label.className = 'vlabel'; - this.dom.label = label; + 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); + }; - var inner = document.createElement('div'); - inner.className = 'inner'; - label.appendChild(inner); - this.dom.inner = inner; + /** + * Repaint the item + */ + PointItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - var foreground = document.createElement('div'); - foreground.className = 'group'; - foreground['timeline-group'] = this; - this.dom.foreground = foreground; + // background box + dom.point = document.createElement('div'); + // className is updated in redraw() - this.dom.background = document.createElement('div'); - this.dom.background.className = 'group'; + // contents box, right from the dot + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.point.appendChild(dom.content); - this.dom.axis = document.createElement('div'); - this.dom.axis.className = 'group'; + // dot at start + dom.dot = document.createElement('div'); + dom.point.appendChild(dom.dot); - // 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); - }; + // attach this item as attribute + dom.point['timeline-item'] = this; - /** - * Set the group data for this group - * @param {Object} data Group data, can contain properties content and className - */ - Group.prototype.setData = function(data) { - // update contents - var content = data && data.content; - if (content instanceof Element) { - this.dom.inner.appendChild(content); + this.dirty = true; } - else if (content !== undefined && content !== null) { - this.dom.inner.innerHTML = content; + + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); } - else { - this.dom.inner.innerHTML = this.groupId || ''; // groupId can be null + if (!dom.point.parentNode) { + var foreground = this.parent.dom.foreground; + if (!foreground) { + throw new Error('Cannot redraw item: parent has no foreground container element'); + } + foreground.appendChild(dom.point); } + this.displayed = true; - // update title - this.dom.label.title = data && data.title || ''; + // 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); - if (!this.dom.inner.firstChild) { - util.addClassName(this.dom.inner, 'hidden'); - } - else { - util.removeClassName(this.dom.inner, 'hidden'); - } + // 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; - // 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; - } + // 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; - // 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; + // resize contents + dom.content.style.marginLeft = 2 * this.props.dot.width + 'px'; + //dom.content.style.marginRight = ... + 'px'; // TODO: margin right + + dom.dot.style.top = ((this.height - this.props.dot.height) / 2) + 'px'; + dom.dot.style.left = (this.props.dot.width / 2) + 'px'; + + this.dirty = false; } + + this._repaintDeleteButton(dom.point); }; /** - * Get the width of the group label - * @return {number} width + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. */ - Group.prototype.getLabelWidth = function() { - return this.props.label.width; + PointItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); + } }; - /** - * 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 + * Hide the item from the DOM (when visible) */ - Group.prototype.redraw = function(range, margin, restack) { - var resized = false; - - this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); - - // force recalculation of the height of the items when the marker height changed - // (due to the Timeline being attached to the DOM or changed from display:none to visible) - var markerHeight = this.dom.marker.clientHeight; - if (markerHeight != this.lastMarkerHeight) { - this.lastMarkerHeight = markerHeight; - - util.forEach(this.items, function (item) { - item.dirty = true; - if (item.displayed) item.redraw(); - }); + PointItem.prototype.hide = function() { + if (this.displayed) { + if (this.dom.point.parentNode) { + this.dom.point.parentNode.removeChild(this.dom.point); + } - restack = true; - } + this.top = null; + this.left = null; - // reposition visible items vertically - if (this.itemSet.options.stack) { // TODO: ugly way to access options... - stack.stack(this.visibleItems, margin, restack); - } - else { // no stacking - stack.nostack(this.visibleItems, margin, this.subgroups); + this.displayed = false; } + }; - // 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; - - // 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'; + /** + * Reposition the item horizontally + * @Override + */ + PointItem.prototype.repositionX = function() { + var start = this.conversion.toScreen(this.data.start); - // update vertical position of items after they are re-stacked and the height of the group is calculated - for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { - var item = this.visibleItems[i]; - item.repositionY(margin); - } + this.left = start - this.props.dot.width; - return resized; + // reposition point + this.dom.point.style.left = this.left + 'px'; }; /** - * recalculate the height of the group - * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin - * @returns {number} Returns the height - * @private + * Reposition the item vertically + * @Override */ - 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; + PointItem.prototype.repositionY = function() { + var orientation = this.options.orientation, + point = this.dom.point; + + if (orientation == 'top') { + point.style.top = this.top + 'px'; } else { - height = margin.axis + margin.item.vertical; + point.style.top = (this.parent.height - this.top - this.height) + 'px'; } - height = Math.max(height, this.props.label.height); - - return height; }; - /** - * Show this group: attach to the DOM - */ - Group.prototype.show = function() { - if (!this.dom.label.parentNode) { - this.itemSet.dom.labelSet.appendChild(this.dom.label); - } + module.exports = PointItem; - if (!this.dom.foreground.parentNode) { - this.itemSet.dom.foreground.appendChild(this.dom.foreground); - } - if (!this.dom.background.parentNode) { - this.itemSet.dom.background.appendChild(this.dom.background); - } +/***/ }, +/* 35 */ +/***/ function(module, exports, __webpack_require__) { - if (!this.dom.axis.parentNode) { - this.itemSet.dom.axis.appendChild(this.dom.axis); - } - }; + var Hammer = __webpack_require__(45); + var Item = __webpack_require__(31); /** - * Hide this group: remove from the DOM + * @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 */ - Group.prototype.hide = function() { - var label = this.dom.label; - if (label.parentNode) { - label.parentNode.removeChild(label); - } + 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 - var foreground = this.dom.foreground; - if (foreground.parentNode) { - foreground.parentNode.removeChild(foreground); + // 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); + } } - var background = this.dom.background; - if (background.parentNode) { - background.parentNode.removeChild(background); - } + Item.call(this, data, conversion, options); + } - var axis = this.dom.axis; - if (axis.parentNode) { - axis.parentNode.removeChild(axis); - } + RangeItem.prototype = new Item (null, null, null); + + RangeItem.prototype.baseClassName = 'item range'; + + /** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ + RangeItem.prototype.isVisible = function(range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); }; /** - * Add an item to the group - * @param {Item} item + * Repaint the item */ - Group.prototype.add = function(item) { - this.items[item.id] = item; - item.setParent(this); + RangeItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - // 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(); + // background box + dom.box = document.createElement('div'); + // className is updated in redraw() - 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); - } - }; + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); - 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); - } + // attach this item as attribute + dom.box['timeline-item'] = this; - if (sortArray.length > 0) { - for (var i = 0; i < sortArray.length; i++) { - this.subgroups[sortArray[i].subgroup].index = i; - } - } + this.dirty = true; } - }; - Group.prototype.resetSubgroups = function() { - for (var subgroup in this.subgroups) { - if (this.subgroups.hasOwnProperty(subgroup)) { - this.subgroups[subgroup].visible = false; + // 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; - /** - * Remove an item from the group - * @param {Item} item - */ - Group.prototype.remove = function(item) { - delete this.items[item.id]; - item.setParent(null); + // 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); - // remove from visible items - var index = this.visibleItems.indexOf(item); - if (index != -1) this.visibleItems.splice(index, 1); + // update class + var className = (this.data.className ? (' ' + this.data.className) : '') + + (this.selected ? ' selected' : ''); + dom.box.className = this.baseClassName + className; - // TODO: also remove from ordered items? - }; + // 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(); + }; /** - * Remove an item from the corresponding DataSet - * @param {Item} item + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. */ - Group.prototype.removeFromDataSet = function(item) { - this.itemSet.removeItem(item.id); + RangeItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); + } }; - /** - * Reorder the items + * Hide the item from the DOM (when visible) + * @return {Boolean} changed */ - Group.prototype.order = function() { - var array = util.toArray(this.items); - var startArray = []; - var endArray = []; + RangeItem.prototype.hide = function() { + if (this.displayed) { + var box = this.dom.box; - for (var i = 0; i < array.length; i++) { - if (array[i].data.end !== undefined) { - endArray.push(array[i]); + if (box.parentNode) { + box.parentNode.removeChild(box); } - startArray.push(array[i]); - } - this.orderedItems = { - byStart: startArray, - byEnd: endArray - }; - stack.orderByStart(this.orderedItems.byStart); - stack.orderByEnd(this.orderedItems.byEnd); - }; + this.top = null; + this.left = null; + this.displayed = false; + } + }; /** - * 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 + * Reposition the item horizontally + * @Override */ - 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; + 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; - // 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;} + // limit the width of the this, as browsers cannot draw very wide divs + if (start < -parentWidth) { + start = -parentWidth; } - - // 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); - } + if (end > 2 * parentWidth) { + end = 2 * parentWidth; } + var boxWidth = Math.max(end - start, 1); - // 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; - }; - - 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); - } - } - } - - for (i = initialPos + 1; i < items.length; i++) { - item = items[i]; - if (breakCondition(item)) { - break; - } - else { - if (visibleItemsLookup[item.id] === undefined) { - visibleItemsLookup[item.id] = true; - visibleItems.push(item); - } - } - } - } - } - - - /** - * this 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 - */ - 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(); - } - }; - - - /** - * 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 - */ - 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(); - } - }; - - - - module.exports = Group; - - -/***/ }, -/* 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 - - /** - * 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; - }); - }; - - /** - * 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 - */ - 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; - } - } - - // calculate new, non-overlapping positions - for (i = 0, iMax = items.length; i < iMax; i++) { - var item = items[i]; - if (item.stack && item.top === null) { - // initialize top position - item.top = margin.axis; - - do { - // TODO: optimize checking for overlap. when there is a gap without items, - // you only need to check for items from the next item on, not from zero - var collidingItem = null; - for (var j = 0, jj = items.length; j < jj; j++) { - var other = items[j]; - if (other.top !== null && other !== item && other.stack && exports.collision(item, other, margin.item)) { - collidingItem = other; - break; - } - } - - if (collidingItem != null) { - // There is a collision. Reposition the items above the colliding element - item.top = collidingItem.top + collidingItem.height + margin.item.vertical; - } - } while (collidingItem); - } - } - }; - - - /** - * 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; - - // 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; - } - } - }; - - /** - * Test if the two provided items collide - * The items must have parameters left, width, top, and height. - * @param {Item} a The first item - * @param {Item} b The second item - * @param {{horizontal: number, vertical: number}} margin - * An object containing a horizontal and vertical - * minimum required margin. - * @return {boolean} true if a and b collide, else false - */ - exports.collision = function(a, b, margin) { - return ((a.left - margin.horizontal + EPSILON) < (b.left + b.width) && - (a.left + a.width + margin.horizontal - EPSILON) > b.left && - (a.top - margin.vertical + EPSILON) < (b.top + b.height) && - (a.top + a.height + margin.vertical - EPSILON) > b.top); - }; - - -/***/ }, -/* 29 */ -/***/ function(module, exports, __webpack_require__) { - - var Hammer = __webpack_require__(19); - var Item = __webpack_require__(30); - - /** - * @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 - */ - 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); - - RangeItem.prototype.baseClassName = 'item range'; - - /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible - */ - RangeItem.prototype.isVisible = function(range) { - // determine visibility - return (this.data.start < range.end) && (this.data.end > range.start); - }; - - /** - * Repaint the item - */ - 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(); - }; - - /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. - */ - RangeItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); - } - }; - - /** - * Hide the item from the DOM (when visible) - * @return {Boolean} changed - */ - 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; - } - }; - - /** - * Reposition the item horizontally - * @Override - */ - RangeItem.prototype.repositionX = function() { - var parentWidth = this.parent.width; - var start = this.conversion.toScreen(this.data.start); - var end = this.conversion.toScreen(this.data.end); - var contentLeft; - var contentWidth; - - // 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; + 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 @@ -16712,16733 +15347,18207 @@ return /******/ (function(modules) { // webpackBootstrap /***/ }, -/* 30 */ +/* 36 */ /***/ function(module, exports, __webpack_require__) { - var Hammer = __webpack_require__(19); + var Emitter = __webpack_require__(56); + var Hammer = __webpack_require__(45); + var keycharm = __webpack_require__(57); 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); + + // Load custom shapes into CanvasRenderingContext2D + __webpack_require__(50); /** - * @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 + * @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 Item (data, conversion, options) { - this.id = null; - this.parent = null; - this.data = data; - this.dom = null; - this.conversion = conversion || {}; - this.options = options || {}; - - this.selected = false; - this.displayed = false; - this.dirty = true; + function Network (container, data, options) { + if (!(this instanceof Network)) { + throw new SyntaxError('Constructor must be called with the new operator'); + } - this.top = null; - this.left = null; - this.width = null; - this.height = null; - } + this._initializeMixinLoaders(); - Item.prototype.stack = true; + // create variables and set default values + this.containerElement = container; - /** - * Select current item - */ - Item.prototype.select = function() { - this.selected = true; - this.dirty = true; - if (this.displayed) this.redraw(); - }; + // 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 - /** - * Unselect current item - */ - Item.prototype.unselect = function() { - this.selected = false; - this.dirty = true; - if (this.displayed) this.redraw(); - }; + this.initializing = true; - /** - * 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(); - }; + this.triggerFunctions = {add:null,edit:null,editEdge:null,connect:null,del:null}; - /** - * 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; - } - }; - - /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible - */ - Item.prototype.isVisible = function(range) { - // Should be implemented by Item implementations - return false; - }; + // 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, + thetaInverted: 1 / 0.5, // inverted to save time during calculation + gravitationalConstant: -2000, + centralGravity: 0.3, + springLength: 95, + springConstant: 0.04, + damping: 0.09 + }, + repulsion: { + centralGravity: 0.0, + springLength: 200, + springConstant: 0.05, + nodeDistance: 100, + damping: 0.09 + }, + hierarchicalRepulsion: { + enabled: false, + centralGravity: 0.0, + springLength: 100, + springConstant: 0.01, + nodeDistance: 150, + damping: 0.09 + }, + damping: null, + centralGravity: null, + springLength: null, + springConstant: null + }, + clustering: { // Per Node in Cluster = PNiC + enabled: false, // (Boolean) | global on/off switch for clustering. + initialMaxNodes: 100, // (# nodes) | if the initial amount of nodes is larger than this, we cluster until the total number is less than this threshold. + clusterThreshold:500, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than this. If it is, cluster until reduced to reduceToNodes + reduceToNodes:300, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than clusterThreshold. If it is, cluster until reduced to this + chainThreshold: 0.4, // (% of all drawn nodes)| maximum percentage of allowed chainnodes (long strings of connected nodes) within all nodes. (lower means less chains). + clusterEdgeThreshold: 20, // (px) | edge length threshold. if smaller, this node is clustered. + sectorThreshold: 100, // (# nodes in cluster) | cluster size threshold. If larger, expanding in own sector. + screenSizeThreshold: 0.2, // (% of canvas) | relative size threshold. If the width or height of a clusternode takes up this much of the screen, decluster node. + fontSizeMultiplier: 4.0, // (px PNiC) | how much the cluster font size grows per node in cluster (in px). + maxFontSize: 1000, + forceAmplification: 0.1, // (multiplier PNiC) | factor of increase fo the repulsion force of a cluster (per node in cluster). + distanceAmplification: 0.1, // (multiplier PNiC) | factor how much the repulsion distance of a cluster increases (per node in cluster). + edgeGrowth: 20, // (px PNiC) | amount of clusterSize connected to the edge is multiplied with this and added to edgeLength. + nodeScaling: {width: 1, // (px PNiC) | growth of the width per node in cluster. + height: 1, // (px PNiC) | growth of the height per node in cluster. + radius: 1}, // (px PNiC) | growth of the radius per node in cluster. + maxNodeSizeIncrements: 600, // (# increments) | max growth of the width per node in cluster. + activeAreaBoxSize: 80, // (px) | box area around the curser where clusters are popped open. + clusterLevelDifference: 2 + }, + navigation: { + enabled: false + }, + keyboard: { + enabled: false, + speed: {x: 10, y: 10, zoom: 0.02} + }, + dataManipulation: { + enabled: false, + initiallyVisible: false + }, + hierarchicalLayout: { + enabled:false, + levelSeparation: 150, + nodeSpacing: 100, + direction: "UD", // UD, DU, LR, RL + layout: "hubsize" // hubsize, directed + }, + freezeForStabilization: false, + smoothCurves: { + enabled: true, + dynamic: true, + type: "continuous", + roundness: 0.5 + }, + maxVelocity: 30, + minVelocity: 0.1, // px/s + stabilize: true, // stabilize before displaying the network + stabilizationIterations: 1000, // maximum number of iteration to stabilize + zoomExtentOnStabilize: true, + locale: 'en', + locales: locales, + tooltip: { + delay: 300, + fontColor: 'black', + fontSize: 14, // px + fontFace: 'verdana', + color: { + border: '#666', + background: '#FFFFC6' + } + }, + dragNetwork: true, + dragNodes: true, + zoomable: true, + hover: false, + hideEdgesOnDrag: false, + hideNodesOnDrag: false, + width : '100%', + height : '100%', + selectable: true + }; + this.constants = util.extend({}, this.defaultOptions); + this.pixelRatio = 1; + + + this.hoverObj = {nodes:{},edges:{}}; + this.controlNodesActive = false; + this.navigationHammers = {existing:[], _new: []}; - /** - * Show the Item in the DOM (when not already visible) - * @return {Boolean} changed - */ - Item.prototype.show = function() { - return false; - }; + // 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; - /** - * Hide the Item from the DOM (when visible) - * @return {Boolean} changed - */ - Item.prototype.hide = function() { - return false; - }; + // 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(); + }); - /** - * Repaint the item - */ - Item.prototype.redraw = function() { - // should be implemented by the item - }; + // keyboard navigation variables + this.xIncrement = 0; + this.yIncrement = 0; + this.zoomIncrement = 0; - /** - * Reposition the Item horizontally - */ - Item.prototype.repositionX = function() { - // should be implemented by the item - }; + // 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(); - /** - * Reposition the Item vertically - */ - Item.prototype.repositionY = function() { - // should be implemented by the item - }; - /** - * 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; + // apply options + this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2); + this._setScale(1); + this.setOptions(options); - var deleteButton = document.createElement('div'); - deleteButton.className = 'delete'; - deleteButton.title = 'Delete this item'; + // other vars + this.freezeSimulation = false;// freeze the simulation + this.cachedFunctions = {}; + this.startedStabilization = false; + this.stabilized = false; + this.stabilizationIterations = null; + this.draggingNodes = false; - Hammer(deleteButton, { - preventDefault: true - }).on('tap', function (event) { - me.parent.removeFromDataSet(me); - event.stopPropagation(); - }); + // 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 - 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; - } - }; + // 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 - /** - * Set HTML contents for the item - * @param {Element} element HTML element to fill with the contents - * @private - */ - 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; - } + // datasets or dataviews + this.nodesData = null; // A DataSet or DataView + this.edgesData = null; // A DataSet or DataView - 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; + // 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(); } - else { - if (!(this.data.type == 'background' && this.data.content === undefined)) { - throw new Error('Property "content" missing in item ' + this.id); - } + }; + this.edgesListeners = { + 'add': function (event, params) { + network._addEdges(params.items); + network.start(); + }, + 'update': function (event, params) { + network._updateEdges(params.items); + network.start(); + }, + 'remove': function (event, params) { + network._removeEdges(params.items); + network.start(); } + }; - this.content = content; - } - }; + // properties for the animation + this.moving = true; + this.timer = undefined; // Scheduling function. Is definded in this.start(); - /** - * Set HTML contents for the item - * @param {Element} element HTML element to fill with the contents - * @private - */ - Item.prototype._updateTitle = function (element) { - if (this.data.title != null) { - element.title = this.data.title || ''; + // 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); + + // hierarchical layout + this.initializing = false; + if (this.constants.hierarchicalLayout.enabled == true) { + this._setupHierarchicalLayout(); } else { - element.removeAttribute('title'); + // 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); + } } - }; + + // if clustering is disabled, the simulation will have started in the setData function + if (this.constants.clustering.enabled) { + this.startWithClustering(); + } + } + + // Extend Network with an Emitter mixin + Emitter(Network.prototype); /** - * Process dataAttributes timeline option and set as data- attributes on dom.content - * @param {Element} element HTML element to which the attributes will be attached + * 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 */ - 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); - } - else { - return; - } - - for (var i = 0; i < attributes.length; i++) { - var name = attributes[i]; - var value = this.data[name]; + Network.prototype._getScriptPath = function() { + var scripts = document.getElementsByTagName( 'script' ); - if (value != null) { - element.setAttribute('data-' + name, value); - } - else { - element.removeAttribute('data-' + name); - } + // 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; }; + /** - * Update custom styles of the element - * @param element + * Find the center position of the network * @private */ - Item.prototype._updateStyle = function(element) { - // remove old styles - if (this.style) { - util.removeCssText(element, this.style); - this.style = null; + Network.prototype._getRange = function() { + var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (minX > (node.boundingBox.left)) {minX = node.boundingBox.left;} + if (maxX < (node.boundingBox.right)) {maxX = node.boundingBox.right;} + if (minY > (node.boundingBox.bottom)) {minY = node.boundingBox.bottom;} + if (maxY < (node.boundingBox.top)) {maxY = node.boundingBox.top;} + } } - - // append new styles - if (this.data.style) { - util.addCssText(element, this.data.style); - this.style = this.data.style; + if (minX == 1e9 && maxX == -1e9 && minY == 1e9 && maxY == -1e9) { + minY = 0, maxY = 0, minX = 0, maxX = 0; } + return {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; }; - module.exports = Item; - - -/***/ }, -/* 31 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var Group = __webpack_require__(27); /** - * @constructor BackgroundGroup - * @param {Number | String} groupId - * @param {Object} data - * @param {ItemSet} itemSet + * @param {object} range = {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; + * @returns {{x: number, y: number}} + * @private */ - function BackgroundGroup (groupId, data, itemSet) { - Group.call(this, groupId, data, itemSet); - - this.width = 0; - this.height = 0; - this.top = 0; - this.left = 0; - } + Network.prototype._findCenter = function(range) { + return {x: (0.5 * (range.maxX + range.minX)), + y: (0.5 * (range.maxY + range.minY))}; + }; - BackgroundGroup.prototype = Object.create(Group.prototype); /** - * Repaint this group - * @param {{start: number, end: number}} range - * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin - * @param {boolean} [restack=false] Force restacking of all items - * @return {boolean} Returns true if the group is resized + * 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. */ - BackgroundGroup.prototype.redraw = function(range, margin, restack) { - var resized = false; + Network.prototype.zoomExtent = function(animationOptions, initialZoom, disableStart) { + this._redraw(true); - this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); + if (initialZoom === undefined) { + initialZoom = false; + } + if (disableStart === undefined) { + disableStart = false; + } + if (animationOptions === undefined) { + animationOptions = false; + } - // calculate actual size - this.width = this.dom.background.offsetWidth; + var range = this._getRange(); + var zoomLevel; - // apply new height (just always zero for BackgroundGroup - this.dom.background.style.height = '0'; + 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. + } + } - // 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); + // 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; - return resized; - }; + var xZoomLevel = this.frame.canvas.clientWidth / xDistance; + var yZoomLevel = this.frame.canvas.clientHeight / yDistance; - /** - * Show this group: attach to the DOM - */ - BackgroundGroup.prototype.show = function() { - if (!this.dom.background.parentNode) { - this.itemSet.dom.background.appendChild(this.dom.background); + zoomLevel = (xZoomLevel <= yZoomLevel) ? xZoomLevel : yZoomLevel; } - }; - module.exports = BackgroundGroup; + if (zoomLevel > 1.0) { + zoomLevel = 1.0; + } -/***/ }, -/* 32 */ -/***/ function(module, exports, __webpack_require__) { + var center = this._findCenter(range); + if (disableStart == false) { + var options = {position: center, scale: zoomLevel, animation: animationOptions}; + this.moveTo(options); + this.moving = true; + this.start(); + } + else { + center.x *= zoomLevel; + center.y *= zoomLevel; + center.x -= 0.5 * this.frame.canvas.clientWidth; + center.y -= 0.5 * this.frame.canvas.clientHeight; + this._setScale(zoomLevel); + this._setTranslation(-center.x,-center.y); + } + }; - var Item = __webpack_require__(30); - var util = __webpack_require__(1); /** - * @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 + * Update the this.nodeIndices with the most recent node index list + * @private */ - 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); + Network.prototype._updateNodeIndexList = function() { + this._clearNodeIndexList(); + for (var idx in this.nodes) { + if (this.nodes.hasOwnProperty(idx)) { + this.nodeIndices.push(idx); } } + }; - Item.call(this, data, conversion, options); - } - - BoxItem.prototype = new Item (null, null, null); /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible + * 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. */ - 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); + Network.prototype.setData = function(data, disableStart) { + if (disableStart === undefined) { + disableStart = false; + } + // we set initializing to true to ensure that the hierarchical layout is not performed until both nodes and edges are added. + this.initializing = true; + + if (data && data.dot && (data.nodes || data.edges)) { + throw new SyntaxError('Data must contain either parameter "dot" or ' + + ' parameter pair "nodes" and "edges", but not both.'); + } + + // 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; }; /** - * Repaint the item + * Set options + * @param {Object} options */ - BoxItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; + Network.prototype.setOptions = function (options) { + if (options) { + var prop; - // create main box - dom.box = document.createElement('DIV'); + 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); - // contents box (inside the background box). used for making margins - dom.content = document.createElement('DIV'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); + if (options.physics) { + util.mergeOptions(this.constants.physics, options.physics,'barnesHut'); + util.mergeOptions(this.constants.physics, options.physics,'repulsion'); - // line to axis - dom.line = document.createElement('DIV'); - dom.line.className = 'line'; + 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]; + } + } + } + } - // dot on axis - dom.dot = document.createElement('DIV'); - dom.dot.className = 'dot'; + 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;} - // attach this item as attribute - dom.box['timeline-item'] = this; + 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'); - this.dirty = true; - } - // append DOM to parent DOM - if (!this.parent) { - throw new Error('Cannot redraw item: no parent attached'); - } - if (!dom.box.parentNode) { - var foreground = this.parent.dom.foreground; - if (!foreground) throw new Error('Cannot redraw item: parent has no foreground container element'); - foreground.appendChild(dom.box); - } - if (!dom.line.parentNode) { - var background = this.parent.dom.background; - if (!background) throw new Error('Cannot redraw item: parent has no background container element'); - background.appendChild(dom.line); - } - if (!dom.dot.parentNode) { - var axis = this.parent.dom.axis; - if (!background) throw new Error('Cannot redraw item: parent has no axis container element'); - axis.appendChild(dom.dot); - } - this.displayed = true; + if (options.dataManipulation) { + this.editMode = this.constants.dataManipulation.initiallyVisible; + } - // 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; + // TODO: work out these options and document them + if (options.edges) { + if (options.edges.color !== undefined) { + if (util.isString(options.edges.color)) { + this.constants.edges.color = {}; + this.constants.edges.color.color = options.edges.color; + this.constants.edges.color.highlight = options.edges.color; + this.constants.edges.color.hover = options.edges.color; + } + else { + if (options.edges.color.color !== undefined) {this.constants.edges.color.color = options.edges.color.color;} + if (options.edges.color.highlight !== undefined) {this.constants.edges.color.highlight = options.edges.color.highlight;} + if (options.edges.color.hover !== undefined) {this.constants.edges.color.hover = options.edges.color.hover;} + } + this.constants.edges.inheritColor = false; + } - // 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; + 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;} + } + } + } - this.dirty = false; + if (options.nodes) { + if (options.nodes.color) { + var newColorObj = util.parseColor(options.nodes.color); + this.constants.nodes.color.background = newColorObj.background; + this.constants.nodes.color.border = newColorObj.border; + this.constants.nodes.color.highlight.background = newColorObj.highlight.background; + this.constants.nodes.color.highlight.border = newColorObj.highlight.border; + this.constants.nodes.color.hover.background = newColorObj.hover.background; + this.constants.nodes.color.hover.border = newColorObj.hover.border; + } + } + 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 (options.tooltip) { + for (prop in options.tooltip) { + if (options.tooltip.hasOwnProperty(prop)) { + this.constants.tooltip[prop] = options.tooltip[prop]; + } + } + if (options.tooltip.color) { + this.constants.tooltip.color = util.parseColor(options.tooltip.color); + } + } + + if ('clickToUse' in options) { + if (options.clickToUse) { + if (!this.activator) { + this.activator = new Activator(this.frame); + this.activator.on('change', this._createKeyBinds.bind(this)); + } + } + else { + if (this.activator) { + this.activator.destroy(); + delete this.activator; + } + } + } + + if (options.labels) { + throw new Error('Option "labels" is deprecated. Use options "locale" and "locales" instead.'); + } } - this._repaintDeleteButton(dom.box); + // (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(); }; + + /** - * Show the item in the DOM (when not already displayed). The items DOM will - * be created when needed. + * 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 */ - BoxItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); + Network.prototype._create = function () { + // remove all elements from the container element. + while (this.containerElement.hasChildNodes()) { + this.containerElement.removeChild(this.containerElement.firstChild); } - }; - /** - * Hide the item from the DOM (when visible) - */ - BoxItem.prototype.hide = function() { - if (this.displayed) { - var dom = this.dom; + this.frame = document.createElement('div'); + this.frame.className = 'vis network-frame'; + this.frame.style.position = 'relative'; + this.frame.style.overflow = 'hidden'; - if (dom.box.parentNode) dom.box.parentNode.removeChild(dom.box); - if (dom.line.parentNode) dom.line.parentNode.removeChild(dom.line); - if (dom.dot.parentNode) dom.dot.parentNode.removeChild(dom.dot); - this.top = null; - this.left = null; + ////////////////////////////////////////////////////////////////// - this.displayed = false; - } - }; + this.frame.canvas = document.createElement("canvas"); - /** - * Reposition the item horizontally - * @Override - */ - BoxItem.prototype.repositionX = function() { - var start = this.conversion.toScreen(this.data.start); - var align = this.options.align; - var left; - var box = this.dom.box; - var line = this.dom.line; - var dot = this.dom.dot; + this.frame.canvas.style.position = 'relative'; + this.frame.appendChild(this.frame.canvas); - // calculate left position of the box - if (align == 'right') { - this.left = start - this.width; - } - else if (align == 'left') { - this.left = start; + + if (!this.frame.canvas.getContext) { + var noCanvas = document.createElement( 'DIV' ); + noCanvas.style.color = 'red'; + noCanvas.style.fontWeight = 'bold' ; + noCanvas.style.padding = '10px'; + noCanvas.innerHTML = 'Error: your browser does not support HTML canvas'; + this.frame.canvas.appendChild(noCanvas); } else { - // 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'; + var ctx = this.frame.canvas.getContext("2d"); - // reposition dot - dot.style.left = (start - this.props.dot.width / 2) + 'px'; - }; + this.pixelRatio = (window.devicePixelRatio || 1) / (ctx.webkitBackingStorePixelRatio || + ctx.mozBackingStorePixelRatio || + ctx.msBackingStorePixelRatio || + ctx.oBackingStorePixelRatio || + ctx.backingStorePixelRatio || 1); - /** - * 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; - 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 = ''; + this.frame.canvas.getContext("2d").setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); } - 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'; - } + ////////////////////////////////////////////////////////////////// - dot.style.top = (-this.props.dot.height / 2) + 'px'; - }; - module.exports = BoxItem; + var me = this; + this.drag = {}; + this.pinch = {}; + this.hammer = Hammer(this.frame.canvas, { + prevent_default: true + }); + this.hammer.on('tap', me._onTap.bind(me) ); + this.hammer.on('doubletap', me._onDoubleTap.bind(me) ); + this.hammer.on('hold', me._onHold.bind(me) ); + this.hammer.on('pinch', me._onPinch.bind(me) ); + this.hammer.on('touch', me._onTouch.bind(me) ); + this.hammer.on('dragstart', me._onDragStart.bind(me) ); + this.hammer.on('drag', me._onDrag.bind(me) ); + this.hammer.on('dragend', me._onDragEnd.bind(me) ); + this.hammer.on('mousewheel',me._onMouseWheel.bind(me) ); + this.hammer.on('DOMMouseScroll',me._onMouseWheel.bind(me) ); // for FF + this.hammer.on('mousemove', me._onMouseMoveTitle.bind(me) ); + this.hammerFrame = Hammer(this.frame, { + prevent_default: true + }); + this.hammerFrame.on('release', me._onRelease.bind(me) ); -/***/ }, -/* 33 */ -/***/ function(module, exports, __webpack_require__) { + // add the frame to the container element + this.containerElement.appendChild(this.frame); + + }; - var Item = __webpack_require__(30); /** - * @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 + * Binding the keys for keyboard navigation. These functions are defined in the NavigationMixin + * @private */ - function PointItem (data, conversion, options) { - this.props = { - dot: { - top: 0, - width: 0, - height: 0 - }, - content: { - height: 0, - marginLeft: 0 - } - }; - - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data); - } + Network.prototype._createKeyBinds = function() { + var me = this; + if (this.keycharm !== undefined) { + this.keycharm.destroy(); } + this.keycharm = keycharm(); - Item.call(this, data, conversion, options); - } + this.keycharm.reset(); - PointItem.prototype = new Item (null, null, null); + 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"); + } - /** - * 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); + if (this.constants.dataManipulation.enabled == true) { + this.keycharm.bind("esc",this._createManipulatorBar.bind(me)); + this.keycharm.bind("delete",this._deleteSelected.bind(me)); + } }; /** - * Repaint the item + * Cleans up all bindings of the network, removing it fully from the memory IF the variable is set to null after calling this function. + * var network = new vis.Network(..); + * network.destroy(); + * network = null; */ - PointItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; - - // background box - dom.point = document.createElement('div'); - // className is updated in redraw() + Network.prototype.destroy = function() { + this.start = function () {}; + this.redraw = function () {}; + this.timer = false; - // contents box, right from the dot - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.point.appendChild(dom.content); + // cleanup physicsConfiguration if it exists + this._cleanupPhysicsConfiguration(); - // dot at start - dom.dot = document.createElement('div'); - dom.point.appendChild(dom.dot); + // remove keybindings + this.keycharm.reset(); - // attach this item as attribute - dom.point['timeline-item'] = this; + // clear hammer bindings + this.hammer.dispose(); - this.dirty = true; - } + // clear events + this.off(); - // 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); + // remove all elements from the container element. + while (this.frame.hasChildNodes()) { + this.frame.removeChild(this.frame.firstChild); } - this.displayed = true; - - // Update DOM when item is marked dirty. An item is marked dirty when: - // - the item is not yet rendered - // - the item's data is changed - // - the item is selected/deselected - if (this.dirty) { - this._updateContents(this.dom.content); - this._updateTitle(this.dom.point); - this._updateDataAttributes(this.dom.point); - this._updateStyle(this.dom.point); - - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - dom.point.className = 'item point' + className; - dom.dot.className = 'item dot' + className; - - // recalculate size - this.width = dom.point.offsetWidth; - this.height = dom.point.offsetHeight; - this.props.dot.width = dom.dot.offsetWidth; - this.props.dot.height = dom.dot.offsetHeight; - this.props.content.height = dom.content.offsetHeight; - - // resize contents - dom.content.style.marginLeft = 2 * this.props.dot.width + 'px'; - //dom.content.style.marginRight = ... + 'px'; // TODO: margin right - - dom.dot.style.top = ((this.height - this.props.dot.height) / 2) + 'px'; - dom.dot.style.left = (this.props.dot.width / 2) + 'px'; - this.dirty = false; + // remove all elements from the container element. + while (this.containerElement.hasChildNodes()) { + this.containerElement.removeChild(this.containerElement.firstChild); } + } - this._repaintDeleteButton(dom.point); - }; /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. + * Get the pointer location from a touch location + * @param {{pageX: Number, pageY: Number}} touch + * @return {{x: Number, y: Number}} pointer + * @private */ - PointItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); - } + Network.prototype._getPointer = function (touch) { + return { + x: touch.pageX - util.getAbsoluteLeft(this.frame.canvas), + y: touch.pageY - util.getAbsoluteTop(this.frame.canvas) + }; }; /** - * Hide the item from the DOM (when visible) + * On start of a touch gesture, store the pointer + * @param event + * @private */ - PointItem.prototype.hide = function() { - if (this.displayed) { - if (this.dom.point.parentNode) { - this.dom.point.parentNode.removeChild(this.dom.point); - } + 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(); - this.top = null; - this.left = null; + // to avoid double fireing of this event because we have two hammer instances. (on canvas and on frame) + this.touchTime = new Date().valueOf(); - this.displayed = false; + this._handleTouch(this.drag.pointer); } }; /** - * Reposition the item horizontally - * @Override + * handle drag start event + * @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'; + Network.prototype._onDragStart = function () { + this._handleDragStart(); }; + /** - * Reposition the item vertically - * @Override + * This function is called by _onDragStart. + * It is separated out because we can then overload it for the datamanipulation system. + * + * @private */ - PointItem.prototype.repositionY = function() { - var orientation = this.options.orientation, - point = this.dom.point; + 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 - if (orientation == 'top') { - point.style.top = this.top + 'px'; - } - else { - point.style.top = (this.parent.height - this.top - this.height) + 'px'; - } - }; + drag.dragging = true; + drag.selection = []; + drag.translation = this._getTranslation(); + drag.nodeId = null; + this.draggingNodes = false; - module.exports = PointItem; + 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); + } + this.emit("dragStart",{nodeIds:this.getSelection().nodes}); -/***/ }, -/* 34 */ -/***/ function(module, exports, __webpack_require__) { + // create an array with the selected nodes and their original location and status + for (var objectId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(objectId)) { + var object = this.selectionObj.nodes[objectId]; + var s = { + id: object.id, + node: object, - var Hammer = __webpack_require__(19); - var Item = __webpack_require__(30); - var BackgroundGroup = __webpack_require__(31); - var RangeItem = __webpack_require__(29); + // store original x, y, xFixed and yFixed, make the node temporarily Fixed + x: object.x, + y: object.y, + xFixed: object.xFixed, + yFixed: object.yFixed + }; - /** - * @constructor BackgroundItem - * @extends Item - * @param {Object} data Object containing parameters start, end - * content, className. - * @param {{toScreen: function, toTime: function}} conversion - * Conversion functions from time to screen and vice versa - * @param {Object} [options] Configuration options - * // TODO: describe options - */ - // TODO: implement support for the BackgroundItem just having a start, then being displayed as a sort of an annotation - function BackgroundItem (data, conversion, options) { - this.props = { - content: { - width: 0 - } - }; - this.overflow = false; // if contents can overflow (css styling), this flag is set to true + object.xFixed = true; + object.yFixed = 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); + drag.selection.push(s); + } } } + }; - Item.call(this, data, conversion, options); - - this.emptyContent = false; - } - - BackgroundItem.prototype = new Item (null, null, null); - - BackgroundItem.prototype.baseClassName = 'item background'; - BackgroundItem.prototype.stack = false; /** - * 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 + * handle drag event + * @private */ - BackgroundItem.prototype.isVisible = function(range) { - // determine visibility - return (this.data.start < range.end) && (this.data.end > range.start); + Network.prototype._onDrag = function (event) { + this._handleOnDrag(event) }; + /** - * Repaint the item + * This function is called by _onDrag. + * It is separated out because we can then overload it for the datamanipulation system. + * + * @private */ - BackgroundItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; + Network.prototype._handleOnDrag = function(event) { + if (this.drag.pinched) { + return; + } - // background box - dom.box = document.createElement('div'); - // className is updated in redraw() + // remove the focus on node if it is focussed on by the focusOnNode + this.releaseNode(); - // contents box - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); + 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; - // Note: we do NOT attach this item as attribute to the DOM, - // such that background items cannot be selected - //dom.box['timeline-item'] = this; + // update position of all selected nodes + selection.forEach(function (s) { + var node = s.node; - this.dirty = true; - } + if (!s.xFixed) { + node.x = me._XconvertDOMtoCanvas(me._XconvertCanvasToDOM(s.x) + deltaX); + } - // append DOM to parent DOM - if (!this.parent) { - throw new Error('Cannot redraw item: no parent attached'); + if (!s.yFixed) { + node.y = me._YconvertDOMtoCanvas(me._YconvertCanvasToDOM(s.y) + deltaY); + } + }); + + + // start _animationStep if not yet running + if (!this.moving) { + this.moving = true; + this.start(); + } } - if (!dom.box.parentNode) { - var background = this.parent.dom.background; - if (!background) { - throw new Error('Cannot redraw item: parent has no background container element'); + 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(); } - background.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.content); - this._updateDataAttributes(this.dom.content); - this._updateStyle(this.dom.box); + /** + * handle drag start event + * @private + */ + Network.prototype._onDragEnd = function (event) { + this._handleDragEnd(event); + }; - // 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'; + 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}); + } - // 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 + } + /** + * 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); - this.dirty = false; - } }; + /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. + * handle doubletap event + * @private */ - BackgroundItem.prototype.show = RangeItem.prototype.show; + Network.prototype._onDoubleTap = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleDoubleTap(pointer); + }; + /** - * Hide the item from the DOM (when visible) - * @return {Boolean} changed + * handle long tap event: multi select nodes + * @private */ - BackgroundItem.prototype.hide = RangeItem.prototype.hide; + Network.prototype._onHold = function (event) { + var pointer = this._getPointer(event.gesture.center); + this.pointerPosition = pointer; + this._handleOnHold(pointer); + }; /** - * Reposition the item horizontally - * @Override + * handle the release of the screen + * + * @private */ - BackgroundItem.prototype.repositionX = RangeItem.prototype.repositionX; + Network.prototype._onRelease = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleOnRelease(pointer); + }; /** - * Reposition the item vertically - * @Override + * Handle pinch event + * @param event + * @private */ - 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; + Network.prototype._onPinch = function (event) { + var pointer = this._getPointer(event.gesture.center); - // 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; - } - } - } + this.drag.pinched = true; + if (!('scale' in this.pinch)) { + this.pinch.scale = 1; + } - // 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 = ''; + // TODO: enabled moving while pinching? + var scale = this.pinch.scale * event.gesture.scale; + this._zoom(scale, pointer) + }; + + /** + * 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; } - // 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; - } - } + if (scale > 10) { + scale = 10; + } + + var preScaleDragPointer = null; + if (this.drag !== undefined) { + if (this.drag.dragging == true) { + preScaleDragPointer = this.DOMtoCanvas(this.drag.pointer); } - 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'; + // + this.frame.canvas.clientHeight / 2 + var translation = this._getTranslation(); + + var scaleFrac = scale / scaleOld; + var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; + var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac; + + this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), + "y" : this._YconvertDOMtoCanvas(pointer.y)}; + + this._setScale(scale); + this._setTranslation(tx, ty); + this.updateClustersDefault(); + + if (preScaleDragPointer != null) { + var postScaleDragPointer = this.canvasToDOM(preScaleDragPointer); + this.drag.pointer.x = postScaleDragPointer.x; + this.drag.pointer.y = postScaleDragPointer.y; + } + + this._redraw(); + + if (scaleOld < scale) { + this.emit("zoom", {direction:"+"}); } 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 = ''; + this.emit("zoom", {direction:"-"}); } + + return scale; } - this.dom.box.style.height = height + 'px'; }; - module.exports = BackgroundItem; + /** + * 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) { -/***/ }, -/* 35 */ -/***/ function(module, exports, __webpack_require__) { + // calculate the new scale + var scale = this._getScale(); + var zoom = delta / 10; + if (delta < 0) { + zoom = zoom / (1 - zoom); + } + scale *= (1 + zoom); + + // calculate the pointer location + var gesture = hammerUtil.fakeGesture(this, event); + var pointer = this._getPointer(gesture.center); + + // apply the new scale + this._zoom(scale, pointer); + } + + // Prevent default actions caused by mouse wheel. + event.preventDefault(); + }; - 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 + * Mouse move handler for checking whether the title moves over a node with a title. + * @param {Event} event + * @private */ - function Activator(container) { - this.active = false; + Network.prototype._onMouseMoveTitle = function (event) { + var gesture = hammerUtil.fakeGesture(this, event); + var pointer = this._getPointer(gesture.center); - this.dom = { - container: container + // check if the previously selected node is still selected + if (this.popupObj) { + this._checkHidePopup(pointer); + } + + // 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); + } - this.dom.overlay = document.createElement('div'); - this.dom.overlay.className = 'overlay'; - this.dom.container.appendChild(this.dom.overlay); + /** + * 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]; + } + } - this.hammer = Hammer(this.dom.overlay, {prevent_default: false}); - this.hammer.on('tap', this._onTapOverlay.bind(this)); + // adding hover highlights + var obj = this._getNodeAt(pointer); + if (obj == null) { + obj = this._getEdgeAt(pointer); + } + if (obj != null) { + this._hoverObject(obj); + } - // 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(); - }); - }); + // 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(); + } + }; - // 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(); + /** + * 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) + }; + + 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; + } + } } - }); + } - if (this.keycharm !== undefined) { - this.keycharm.destroy(); + 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; + } + } + } } - this.keycharm = keycharm(); - // keycharm listener only bounded when active) - this.escListener = this.deactivate.bind(this); - } + 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); + } - // turn into an event emitter - Emitter(Activator.prototype); + // 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(); + } + } + }; - // The currently active activator - Activator.current = null; /** - * Destroy the activator. Cleans up all created DOM and event listeners + * 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 */ - Activator.prototype.destroy = function () { - this.deactivate(); - - // remove dom - this.dom.overlay.parentNode.removeChild(this.dom.overlay); - - // cleanup hammer instances - this.hammer = null; - this.windowHammer = null; - // FIXME: cleaning up hammer instances doesn't work (Timeline not removed from memory) + Network.prototype._checkHidePopup = function (pointer) { + if (!this.popupObj || !this._getNodeAt(pointer) ) { + this.popupObj = undefined; + if (this.popup) { + this.popup.hide(); + } + } }; + /** - * Activate the element - * Overlay is hidden, element is decorated with a blue shadow border + * 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%') */ - Activator.prototype.activate = function () { - // we allow only one active activator at a time - if (Activator.current) { - Activator.current.deactivate(); - } - Activator.current = this; + 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.active = true; - this.dom.overlay.style.display = 'none'; - util.addClassName(this.dom.container, 'vis-active'); + this.frame.canvas.style.width = '100%'; + this.frame.canvas.style.height = '100%'; - this.emit('change'); - this.emit('activate'); + this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; + this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; - // 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.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; + } + } + + 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}); + } }; /** - * Deactivate the element - * Overlay is displayed on top of the element + * Set a data set with nodes for the network + * @param {Array | DataSet | DataView} nodes The data containing the nodes. + * @private */ - 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); + Network.prototype._setNodes = function(nodes) { + var oldNodesData = this.nodesData; - this.emit('change'); - this.emit('deactivate'); + 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'); + } + + if (oldNodesData) { + // unsubscribe from old dataset + util.forEach(this.nodesListeners, function (callback, event) { + oldNodesData.off(event, callback); + }); + } + + // remove drawn nodes + this.nodes = {}; + + if (this.nodesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.nodesListeners, function (callback, event) { + me.nodesData.on(event, callback); + }); + + // draw all new nodes + var ids = this.nodesData.getIds(); + this._addNodes(ids); + } + this._updateSelection(); }; /** - * Handle a tap event: activate the container - * @param event + * Add nodes + * @param {Number[] | String[]} ids * @private */ - Activator.prototype._onTapOverlay = function (event) { - // activate the container - this.activate(); - event.stopPropagation(); + Network.prototype._addNodes = function(ids) { + var id; + for (var i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + var data = this.nodesData.get(id); + var node = new Node(data, this.images, this.groups, this.constants); + this.nodes[id] = node; // note: this may replace an existing node + if ((node.xFixed == false || node.yFixed == false) && (node.x === null || node.y === null)) { + var radius = 10 * 0.1*ids.length + 10; + var angle = 2 * Math.PI * Math.random(); + if (node.xFixed == false) {node.x = radius * Math.cos(angle);} + if (node.yFixed == false) {node.y = radius * Math.sin(angle);} + } + this.moving = true; + } + + this._updateNodeIndexList(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); + this._reconnectEdges(); + this._updateValueRange(this.nodes); + this.updateLabels(); }; /** - * 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. + * Update existing nodes, or create them when not yet existing + * @param {Number[] | String[]} ids * @private */ - function _hasParent(element, parent) { - while (element) { - if (element === parent) { - return true + 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; } - element = element.parentNode; } - return false; - } - - module.exports = Activator; - - -/***/ }, -/* 36 */ -/***/ function(module, exports, __webpack_require__) { + this.moving = true; + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateNodeIndexList(); + this._updateValueRange(nodes); + }; - var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;"use strict"; /** - * Created by Alex on 11/6/2014. + * Remove existing nodes. If nodes do not exist, the method will just ignore it. + * @param {Number[] | String[]} ids + * @private */ - - // https://github.com/umdjs/umd/blob/master/returnExports.js#L40-L60 - // if the module has no dependencies, the above pattern can be simplified to - (function (root, factory) { - if (true) { - // AMD. Register as an anonymous module. - !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory), __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ? (__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); - } else if (typeof exports === 'object') { - // Node. Does not work with strict CommonJS, but - // only CommonJS-like environments that support module.exports, - // like Node. - module.exports = factory(); - } else { - // Browser globals (root is window) - root.keycharm = factory(); + 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, function () { + this._updateNodeIndexList(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); + this._reconnectEdges(); + this._updateSelection(); + this._updateValueRange(nodes); + }; - function keycharm(options) { - var preventDefault = options && options.preventDefault || false; + /** + * 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; - var container = options && options.container || window; + 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'); + } - var _exportFunctions = {}; - var _bound = {keydown:{}, keyup:{}}; - var _keys = {}; - var i; + if (oldEdgesData) { + // unsubscribe from old dataset + util.forEach(this.edgesListeners, function (callback, event) { + oldEdgesData.off(event, callback); + }); + } - // 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};} + // remove drawn edges + this.edges = {}; - // 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.edgesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.edgesListeners, function (callback, event) { + me.edgesData.on(event, callback); + }); + // draw all new nodes + var ids = this.edgesData.getIds(); + this._addEdges(ids); + } + this._reconnectEdges(); + }; - var down = function(event) {handleEvent(event,'keydown');}; - var up = function(event) {handleEvent(event,'keyup');}; + /** + * Add edges + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._addEdges = function (ids) { + var edges = this.edges, + edgesData = this.edgesData; - // 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); - } - } + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; - if (preventDefault == true) { - event.preventDefault(); - } - } - }; + var oldEdge = edges[id]; + if (oldEdge) { + oldEdge.disconnect(); + } - // 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}); - }; + 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(); + } + }; + /** + * 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]; - // 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); - } - } - }; + 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; + } + } - // 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"; - }; + this._createBezierNodes(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this.moving = true; + this._updateValueRange(edges); + }; - // 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] = []; + /** + * 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]; } - }; - - // reset all bound variables. - _exportFunctions.reset = function() { - _bound = {keydown:{}, keyup:{}}; - }; - - // unbind all listeners and reset all variables. - _exportFunctions.destroy = function() { - _bound = {keydown:{}, keyup:{}}; - container.removeEventListener('keydown', down, true); - container.removeEventListener('keyup', up, true); - }; - - // create listeners. - container.addEventListener('keydown',down,true); - container.addEventListener('keyup',up,true); + edge.disconnect(); + delete edges[id]; + } + } - // return the public functions. - return _exportFunctions; + this.moving = true; + this._updateValueRange(edges); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); } + this._updateCalculationNodes(); + }; - return keycharm; - })); + /** + * 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 = []; + } + } + 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; + // 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); + } + } + } -/***/ }, -/* 37 */ -/***/ function(module, exports, __webpack_require__) { + // adjust the range of all objects + if (valueMin !== undefined && valueMax !== undefined) { + for (id in obj) { + if (obj.hasOwnProperty(id)) { + obj[id].setValueRange(valueMin, valueMax); + } + } + } + }; - var util = __webpack_require__(1); - var Component = __webpack_require__(23); - var TimeStep = __webpack_require__(38); - var DateUtil = __webpack_require__(24); - var moment = __webpack_require__(2); + /** + * Redraw 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(); + }; /** - * 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 + * Redraw the network with the current data + * @param hidden | used to get the first estimate of the node sizes. only the nodes are drawn after which they are quickly drawn over. + * @private */ - 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 - }; + Network.prototype._redraw = function(hidden) { + var ctx = this.frame.canvas.getContext('2d'); - this.defaultOptions = { - orientation: 'bottom', // supported: 'top', 'bottom' - // TODO: implement timeaxis orientations 'left' and 'right' - showMinorLabels: true, - showMajorLabels: true, - showMajorLines: true, - showMinorLines: true, - format: null - }; - this.options = util.extend({}, this.defaultOptions); + ctx.setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); - this.body = body; + // 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); - // create the HTML DOM - this._create(); + // set scaling and translation + ctx.save(); + ctx.translate(this.translation.x, this.translation.y); + ctx.scale(this.scale, this.scale); - this.setOptions(options); - } + 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) + }; - TimeAxis.prototype = new Component(); + if (!(hidden == true)) { + this._doInAllSectors("_drawAllSectorNodes", ctx); + if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideEdgesOnDrag == false) { + this._doInAllSectors("_drawEdges", ctx); + } + } - /** - * 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', 'showMinorLines', 'showMajorLines','hiddenDates', 'format'], this.options, options); + if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideNodesOnDrag == false) { + this._doInAllSectors("_drawNodes",ctx,false); + } - // 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); - } + if (!(hidden == true)) { + if (this.controlNodesActive == true) { + this._doInAllSectors("_drawControlNodes", ctx); } } - }; - /** - * Create the HTML DOM for the TimeAxis - */ - TimeAxis.prototype._create = function() { - this.dom.foreground = document.createElement('div'); - this.dom.background = document.createElement('div'); + // this._doInSupportSector("_drawNodes",ctx,true); + // this._drawTree(ctx,"#F00F0F"); - this.dom.foreground.className = 'timeaxis foreground'; - this.dom.background.className = 'timeaxis background'; + // restore original scaling and translation + ctx.restore(); + + if (hidden == true) { + ctx.clearRect(0, 0, w, h); + } }; /** - * Destroy the TimeAxis + * Set the translation of the network + * @param {Number} offsetX Horizontal offset + * @param {Number} offsetY Vertical offset + * @private */ - TimeAxis.prototype.destroy = function() { - // remove from DOM - if (this.dom.foreground.parentNode) { - this.dom.foreground.parentNode.removeChild(this.dom.foreground); + Network.prototype._setTranslation = function(offsetX, offsetY) { + if (this.translation === undefined) { + this.translation = { + x: 0, + y: 0 + }; } - if (this.dom.background.parentNode) { - this.dom.background.parentNode.removeChild(this.dom.background); + + if (offsetX !== undefined) { + this.translation.x = offsetX; + } + if (offsetY !== undefined) { + this.translation.y = offsetY; } - this.body = null; + this.emit('viewChanged'); }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized - */ - TimeAxis.prototype.redraw = function () { - var options = this.options; - var props = this.props; - var foreground = this.dom.foreground; - var background = this.dom.background; - - // 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); + * 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 + }; + }; - // calculate character width and height - this._calculateCharSize(); + /** + * Scale the network + * @param {Number} scale Scaling factor 1.0 is unscaled + * @private + */ + Network.prototype._setScale = function(scale) { + this.scale = scale; + }; - // 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; + /** + * Get the current scale of the network + * @return {Number} scale Scaling factor 1.0 is unscaled + * @private + */ + Network.prototype._getScale = function() { + return this.scale; + }; - // 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; + /** + * 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; + }; - 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 + /** + * 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; + }; - // 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); + /** + * 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; + }; - foreground.style.height = this.props.height + 'px'; + /** + * 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 ; + }; - this._repaintLabels(); - // 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) - } + /** + * + * @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)}; + }; - return this._isResized() || parentChanged; + /** + * + * @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)}; }; /** - * Repaint major and minor text labels and vertical grid lines + * Redraw all nodes + * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); + * @param {CanvasRenderingContext2D} ctx + * @param {Boolean} [alwaysShow] * @private */ - TimeAxis.prototype._repaintLabels = function () { - var orientation = this.options.orientation; - - // calculate range and step (step such that we have space for 7 characters per label) - var start = util.convert(this.body.range.start, 'Number'); - var end = util.convert(this.body.range.end, 'Number'); - var timeLabelsize = this.body.util.toTime((this.props.minorCharWidth || 10) * 7).valueOf(); - var minimumStep = timeLabelsize - DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this.body.range, timeLabelsize); - minimumStep -= this.body.util.toTime(0).valueOf(); - - var step = new TimeStep(new Date(start), new Date(end), minimumStep, this.body.hiddenDates); - if (this.options.format) { - step.setFormat(this.options.format); + Network.prototype._drawNodes = function(ctx,alwaysShow) { + if (alwaysShow === undefined) { + alwaysShow = false; } - 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(); - - - // TODO: lines must have a width, such that we can create css backgrounds - if (this.options.showMinorLabels) { - this._repaintMinorText(x, step.getLabelMinor(), orientation); - } + // first draw the unselected nodes + var nodes = this.nodes; + var selected = []; - if (isMajor && this.options.showMajorLabels) { - if (x > 0) { - if (xFirstMajorLabel == undefined) { - xFirstMajorLabel = x; - } - this._repaintMajorText(x, step.getLabelMajor(), orientation); + 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); } - if (this.options.showMajorLines == true) { - this._repaintMajorLine(x, orientation); + else { + if (nodes[id].inArea() || alwaysShow) { + nodes[id].draw(ctx); + } } } - else if (this.options.showMinorLines == true) { - this._repaintMinorLine(x, orientation); - } - - 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 - - if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { - this._repaintMajorText(0, leftText, orientation); + // 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); } } + }; - // 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); + /** + * 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); } } - }); + } }; /** - * Create a minor label for the axis at position x - * @param {Number} x - * @param {String} text - * @param {String} orientation "top" or "bottom" (default) + * Redraw all edges + * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); + * @param {CanvasRenderingContext2D} ctx * @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); + Network.prototype._drawControlNodes = function(ctx) { + var edges = this.edges; + for (var id in edges) { + if (edges.hasOwnProperty(id)) { + edges[id]._drawControlNodes(ctx); + } } - 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 }; /** - * Create a Major label for the axis at position x - * @param {Number} x - * @param {String} text - * @param {String} orientation "top" or "bottom" (default) + * Find a stable position for all nodes * @private */ - TimeAxis.prototype._repaintMajorText = function (x, text, orientation) { - // reuse redundant label - var label = this.dom.redundant.majorTexts.shift(); + Network.prototype._stabilize = function() { + if (this.constants.freezeForStabilization == true) { + this._freezeDefinedNodes(); + } - 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); + // find stable position + var count = 0; + while (this.moving && count < this.constants.stabilizationIterations) { + this._physicsTick(); + count++; } - this.dom.majorTexts.push(label); - label.childNodes[0].nodeValue = text; - //label.title = title; // TODO: this is a heavy operation + if (this.constants.zoomExtentOnStabilize == true) { + this.zoomExtent(undefined, false, true); + } - label.style.top = (orientation == 'top') ? '0' : (this.props.minorLabelHeight + 'px'); - label.style.left = x + 'px'; + if (this.constants.freezeForStabilization == true) { + this._restoreFrozenNodes(); + } }; /** - * Create a minor line for the axis at position x - * @param {Number} x - * @param {String} orientation "top" or "bottom" (default) + * 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 */ - TimeAxis.prototype._repaintMinorLine = function (x, orientation) { - // reuse redundant line - var line = this.dom.redundant.minorLines.shift(); - - if (!line) { - // create vertical line - line = document.createElement('div'); - line.className = 'grid vertical minor'; - this.dom.background.appendChild(line); + 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; + } + } } - this.dom.minorLines.push(line); + }; - var props = this.props; - if (orientation == 'top') { - line.style.top = props.majorLabelHeight + 'px'; - } - else { - line.style.top = this.body.domProps.top.height + 'px'; + /** + * 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; + } + } } - 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) + * 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 */ - 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); + Network.prototype._isMoving = function(vmin) { + var nodes = this.nodes; + for (var id in nodes) { + if (nodes.hasOwnProperty(id) && nodes[id].isMoving(vmin)) { + return true; + } } - this.dom.majorLines.push(line); + return false; + }; - var props = this.props; - if (orientation == 'top') { - line.style.top = '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; + + if (this.constants.maxVelocity > 0) { + for (nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + nodes[nodeId].discreteStepLimited(interval, this.constants.maxVelocity); + nodesPresent = true; + } + } } else { - line.style.top = this.body.domProps.top.height + 'px'; + for (nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + nodes[nodeId].discreteStep(interval); + nodesPresent = true; + } + } } - line.style.left = (x - props.majorLineWidth / 2) + 'px'; - line.style.height = props.majorLineHeight + 'px'; + + 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; }; /** - * 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. + * A single simulation step (or "tick") in the physics simulation + * * @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'; + Network.prototype._physicsTick = function() { + if (!this.freezeSimulation) { + if (this.moving == true) { + var mainMovingStatus = false; + var supportMovingStatus = false; - 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; + 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 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'; + // determine if the network has stabilzied + this.moving = mainMovingStatus || supportMovingStatus; - this.dom.measureCharMajor.appendChild(document.createTextNode('0')); - this.dom.foreground.appendChild(this.dom.measureCharMajor); + this.stabilizationIterations++; + } } - this.props.majorCharHeight = this.dom.measureCharMajor.clientHeight; - this.props.majorCharWidth = this.dom.measureCharMajor.clientWidth; }; + /** - * 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 + * 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 */ - TimeAxis.prototype.snap = function(date) { - return this.step.snap(date); - }; - - module.exports = TimeAxis; + 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(); + // this schedules a new animation step + this.start(); -/***/ }, -/* 38 */ -/***/ function(module, exports, __webpack_require__) { + // 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; + }; - var moment = __webpack_require__(2); - var DateUtil = __webpack_require__(24); - var util = __webpack_require__(1); + if (typeof window !== 'undefined') { + window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || + window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; + } /** - * @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 + * Schedule a animation step with the refreshrate interval. */ - function TimeStep(start, end, minimumStep, hiddenDates) { - // variables - this.current = new Date(); - this._start = new Date(); - this._end = new Date(); + 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; + } - this.autoScale = true; - this.scale = 'day'; - this.step = 1; + if (!this.timer) { + var ua = navigator.userAgent.toLowerCase(); - // initialize the range - this.setRange(start, end, minimumStep); + 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; + } + } - // hidden Dates options - this.switchedDay = false; - this.switchedMonth = false; - this.switchedYear = false; - this.hiddenDates = hiddenDates; - if (hiddenDates === undefined) { - this.hiddenDates = []; + 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); + } + } + }; - 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: '' + /** + * 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); } }; + /** - * 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 + * Freeze the _animationStep */ - TimeStep.prototype.setFormat = function (format) { - var defaultFormat = util.deepExtend({}, TimeStep.FORMAT); - this.format = util.deepExtend(defaultFormat, format); + Network.prototype.toggleFreeze = function() { + if (this.freezeSimulation == false) { + this.freezeSimulation = true; + } + else { + this.freezeSimulation = false; + this.start(); + } }; + /** - * 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 + * This function cleans the support nodes if they are not needed and adds them when they are. + * + * @param {boolean} [disableStart] + * @private */ - TimeStep.prototype.setRange = function(start, end, minimumStep) { - if (!(start instanceof Date) || !(end instanceof Date)) { - throw "No legal start or end date in method setRange"; + Network.prototype._configureSmoothCurves = function(disableStart) { + if (disableStart === undefined) { + disableStart = true; + } + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this._createBezierNodes(); + // cleanup unused support nodes + for (var nodeId in this.sectors['support']['nodes']) { + if (this.sectors['support']['nodes'].hasOwnProperty(nodeId)) { + if (this.edges[this.sectors['support']['nodes'][nodeId].parentEdgeId] === undefined) { + delete this.sectors['support']['nodes'][nodeId]; + } + } + } + } + else { + // delete the support nodes + this.sectors['support']['nodes'] = {}; + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + this.edges[edgeId].via = null; + } + } } - 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); + this._updateCalculationNodes(); + if (!disableStart) { + this.moving = true; + this.start(); } }; + /** - * Set the range iterator to the start date. + * 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 */ - TimeStep.prototype.first = function() { - this.current = new Date(this._start.valueOf()); - this.roundToMinor(); + 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(); + } + } + } + } }; /** - * Round the current date to the first minor date value - * This must be executed once when the current date is set to start Date + * load the functions that load the mixins into the prototype. + * + * @private */ - 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.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; + Network.prototype._initializeMixinLoaders = function () { + for (var mixin in MixinLoader) { + if (MixinLoader.hasOwnProperty(mixin)) { + Network.prototype[mixin] = MixinLoader[mixin]; } } }; /** - * Check if the there is a next step - * @return {boolean} true if the current date has not passed the end date + * Load the XY positions of the nodes into the dataset. */ - TimeStep.prototype.hasNext = function () { - return (this.current.valueOf() <= this._end.valueOf()); + Network.prototype.storePosition = function() { + console.log("storePosition is depricated: use .storePositions() from now on.") + this.storePositions(); }; /** - * Do the next step + * Load the XY positions of the nodes into the dataset. */ - 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 { - 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; + 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); + }; - 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; + /** + * Return the positions of the nodes. + */ + Network.prototype.getPositions = function(ids) { + var dataArray = {}; + if (ids !== undefined) { + if (Array.isArray(ids) == true) { + for (var i = 0; i < ids.length; i++) { + if (this.nodes[ids[i]] !== undefined) { + var node = this.nodes[ids[i]]; + dataArray[ids[i]] = {x: Math.round(node.x), y: Math.round(node.y)}; + } + } + } + else { + if (this.nodes[ids] !== undefined) { + var node = this.nodes[ids]; + dataArray[ids] = {x: Math.round(node.x), y: Math.round(node.y)}; + } } } - - // safety mechanism: if current time is still unchanged, move to the end - if (this.current.valueOf() == prev) { - this.current = new Date(this._end.valueOf()); + 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)}; + } + } } - - DateUtil.stepOverHiddenDates(this, prev); + return dataArray; }; - /** - * Get the current datetime - * @return {Date} current The current date - */ - TimeStep.prototype.getCurrent = function() { - return this.current; - }; /** - * 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. + * Center a node in view. * - * @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. + * @param {Number} nodeId + * @param {Number} [options] */ - TimeStep.prototype.setScale = function(newScale, newStep) { - this.scale = newScale; + 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; - if (newStep > 0) { - this.step = newStep; + this.moveTo(options) + } + else { + console.log("This nodeId cannot be found."); } - - this.autoScale = false; }; /** - * Enable or disable autoscaling - * @param {boolean} enable If true, autoascaling is set true + * + * @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 */ - TimeStep.prototype.setAutoScale = function (enable) { - this.autoScale = enable; - }; + 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 + this.animateView(options); + }; /** - * Automatically determine the scale that bests fits the provided minimum step - * @param {Number} [minimumStep] The minimum step size in milliseconds + * + * @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 */ - TimeStep.prototype.setMinimumStep = function(minimumStep) { - if (minimumStep == undefined) { + Network.prototype.animateView = function (options) { + if (options === undefined) { + options = {}; return; } - //var b = asc + ds; + // release if something focussed on the node + this.releaseNode(); + if (options.locked == true) { + this.lockedOnNodeId = options.lockedOnNode; + this.lockedOnNodeOffset = options.offset; + } - 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); + // 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. + } - // 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;} - }; + this.sourceScale = this._getScale(); + this.sourceTranslation = this._getTranslation(); + this.targetScale = options.scale; - /** - * 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()); + // 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 (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 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 { - clone.setDate(1); - } - - clone.setHours(0); - clone.setMinutes(0); - clone.setSeconds(0); - clone.setMilliseconds(0); - } - else if (this.scale == 'day') { - //noinspection FallthroughInSwitchStatementJS - switch (this.step) { - case 5: - case 2: - clone.setHours(Math.round(clone.getHours() / 24) * 24); break; - default: - clone.setHours(Math.round(clone.getHours() / 12) * 12); break; - } - clone.setMinutes(0); - clone.setSeconds(0); - clone.setMilliseconds(0); - } - else if (this.scale == 'weekday') { - //noinspection FallthroughInSwitchStatementJS - switch (this.step) { - case 5: - case 2: - clone.setHours(Math.round(clone.getHours() / 12) * 12); break; - default: - clone.setHours(Math.round(clone.getHours() / 6) * 6); break; - } - clone.setMinutes(0); - clone.setSeconds(0); - clone.setMilliseconds(0); - } - else if (this.scale == 'hour') { - switch (this.step) { - case 4: - clone.setMinutes(Math.round(clone.getMinutes() / 60) * 60); break; - default: - clone.setMinutes(Math.round(clone.getMinutes() / 30) * 30); break; - } - clone.setSeconds(0); - clone.setMilliseconds(0); - } else if (this.scale == 'minute') { - //noinspection FallthroughInSwitchStatementJS - switch (this.step) { - case 15: - case 10: - clone.setMinutes(Math.round(clone.getMinutes() / 5) * 5); - clone.setSeconds(0); - break; - case 5: - clone.setSeconds(Math.round(clone.getSeconds() / 60) * 60); break; - default: - clone.setSeconds(Math.round(clone.getSeconds() / 30) * 30); break; - } - clone.setMilliseconds(0); - } - else if (this.scale == 'second') { - //noinspection FallthroughInSwitchStatementJS - switch (this.step) { - case 15: - case 10: - clone.setSeconds(Math.round(clone.getSeconds() / 5) * 5); - clone.setMilliseconds(0); - break; - case 5: - clone.setMilliseconds(Math.round(clone.getMilliseconds() / 1000) * 1000); break; - default: - clone.setMilliseconds(Math.round(clone.getMilliseconds() / 500) * 500); break; + this._setScale(this.targetScale); + this._setTranslation(this.targetTranslation.x, this.targetTranslation.y); + this._redraw(); } } - else if (this.scale == 'millisecond') { - var step = this.step > 5 ? this.step / 2 : 1; - clone.setMilliseconds(Math.round(clone.getMilliseconds() / step) * step); + 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(); } - - 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. + * used to animate smoothly by hijacking the redraw function. + * @private */ - 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; - } + 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(); + } + + Network.prototype.releaseNode = function () { + if (this.lockedOnNodeId != null) { + this._redraw = this._classicRedraw; + this.lockedOnNodeId = null; + this.lockedOnNodeOffset = null; } - 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; + } + + /** + * + * @param easingTime + * @private + */ + Network.prototype._transitionRedraw = function (easingTime) { + this.easingTime = easingTime || this.easingTime + this.animationSpeed; + this.easingTime += this.animationSpeed; + + var progress = util.easingFunctions[this.animationEasingFunction](this.easingTime); + + 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._classicRedraw(); + this.moving = true; + + // cleanup + if (this.easingTime >= 1.0) { + this.easingTime = 0; + if (this.lockedOnNodeId != null) { + this._redraw = this._lockedRedraw; } - } - else if (this.switchedDay == true) { - this.switchedDay = false; - switch (this.scale) { - case 'millisecond': - case 'second': - case 'minute': - case 'hour': - return true; - default: - return false; + else { + this._redraw = this._classicRedraw; } - } - - 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; + this.emit("animationFinished"); } }; + Network.prototype._classicRedraw = function () { + // placeholder function to be overloaded by animations; + }; /** - * 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 + * Returns true when the Network is active. + * @returns {boolean} */ - TimeStep.prototype.getLabelMinor = function(date) { - if (date == undefined) { - date = this.current; - } + Network.prototype.isActive = function () { + return !this.activator || this.activator.active; + }; - var format = this.format.minorLabels[this.scale]; - return (format && format.length > 0) ? moment(date).format(format) : ''; + + /** + * Sets the scale + * @returns {Number} + */ + Network.prototype.setScale = function () { + return this._setScale(); }; + /** - * 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 + * Returns the scale + * @returns {Number} */ - TimeStep.prototype.getLabelMajor = function(date) { - if (date == undefined) { - date = this.current; - } + Network.prototype.getScale = function () { + return this._getScale(); + }; - var format = this.format.majorLabels[this.scale]; - return (format && format.length > 0) ? moment(date).format(format) : ''; + + /** + * 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}); }; - module.exports = TimeStep; + module.exports = Network; /***/ }, -/* 39 */ +/* 37 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(1); - var Component = __webpack_require__(23); - var moment = __webpack_require__(2); - var locales = __webpack_require__(40); + var Node = __webpack_require__(40); /** - * A current time bar - * @param {{range: Range, dom: Object, domProps: Object}} body - * @param {Object} [options] Available parameters: - * {Boolean} [showCurrentTime] - * @constructor CurrentTime - * @extends Component + * @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 CurrentTime (body, options) { - this.body = body; + 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']; - // default options - this.defaultOptions = { - showCurrentTime: true, - locales: locales, - locale: 'en' - }; - this.options = util.extend({}, this.defaultOptions); - this.offset = 0; + this.network = network; - this._create(); + // 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.setOptions(options); - } + this.from = null; // a node + this.to = null; // a node + this.via = null; // a temp node - CurrentTime.prototype = new Component(); + this.fromBackup = null; // used to clean up after reconnect + this.toBackup = null;; // used to clean up after reconnect - /** - * 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%'; + // 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.bar = bar; - }; + this.connected = false; - /** - * Destroy the CurrentTime bar - */ - CurrentTime.prototype.destroy = function () { - this.options.showCurrentTime = false; - this.redraw(); // will remove the bar from the DOM and stop refreshing + this.widthFixed = false; + this.lengthFixed = false; - this.body = null; - }; + this.setProperties(properties); + + this.controlNodesEnabled = false; + this.controlNodes = {from:null, to:null, positions:{}}; + this.connectedNode = null; + } /** - * Set options for the component. Options will be merged in current options. - * @param {Object} options Available parameters: - * {boolean} [showCurrentTime] + * Set or overwrite properties for the edge + * @param {Object} properties an object with properties + * @param {Object} constants and object with default, global properties */ - CurrentTime.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - util.selectiveExtend(['showCurrentTime', 'locale', 'locales'], this.options, options); + Edge.prototype.setProperties = function(properties) { + if (!properties) { + return; } - }; - /** - * 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 fields = ['style','fontSize','fontFace','fontColor','fontFill','width', + 'widthSelectionMultiplier','hoverWidth','arrowScaleFactor','dash','inheritColor' + ]; + util.selectiveDeepExtend(fields, this.options, properties); - this.start(); - } + if (properties.from !== undefined) {this.fromId = properties.from;} + if (properties.to !== undefined) {this.toId = properties.to;} - var now = new Date(new Date().valueOf() + this.offset); - var x = this.body.util.toScreen(now); + if (properties.id !== undefined) {this.id = properties.id;} + if (properties.label !== undefined) {this.label = properties.label; this.dirtyLabel = true;} - 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); + if (properties.title !== undefined) {this.title = properties.title;} + if (properties.value !== undefined) {this.value = properties.value;} + if (properties.length !== undefined) {this.physics.springLength = properties.length;} - this.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); + if (properties.color !== undefined) { + this.options.inheritColor = false; + if (util.isString(properties.color)) { + this.options.color.color = properties.color; + this.options.color.highlight = properties.color; + } + else { + if (properties.color.color !== undefined) {this.options.color.color = properties.color.color;} + if (properties.color.highlight !== undefined) {this.options.color.highlight = properties.color.highlight;} + if (properties.color.hover !== undefined) {this.options.color.hover = properties.color.hover;} } - this.stop(); } - return false; + // A node is connected when it has a from and to node. + this.connect(); + + this.widthFixed = this.widthFixed || (properties.width !== undefined); + this.lengthFixed = this.lengthFixed || (properties.length !== undefined); + + this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; + + // set draw method based on style + switch (this.options.style) { + case 'line': this.draw = this._drawLine; break; + case 'arrow': this.draw = this._drawArrow; break; + case 'arrow-center': this.draw = this._drawArrowCenter; break; + case 'dash-line': this.draw = this._drawDashLine; break; + default: this.draw = this._drawLine; break; + } }; /** - * Start auto refreshing the current time bar + * Connect an edge to its nodes */ - CurrentTime.prototype.start = function() { - var me = this; - - function update () { - me.stop(); - - // determine interval to refresh - var scale = me.body.range.conversion(me.body.domProps.center.width).scale; - var interval = 1 / scale / 10; - if (interval < 30) interval = 30; - if (interval > 1000) interval = 1000; + Edge.prototype.connect = function () { + this.disconnect(); - me.redraw(); + this.from = this.network.nodes[this.fromId] || null; + this.to = this.network.nodes[this.toId] || null; + this.connected = (this.from && this.to); - // start a timer to adjust for the new time - me.currentTimeTimer = setTimeout(update, interval); + 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); + } } - - update(); }; /** - * Stop auto refreshing the current time bar + * Disconnect an edge from its nodes */ - CurrentTime.prototype.stop = function() { - if (this.currentTimeTimer !== undefined) { - clearTimeout(this.currentTimeTimer); - delete this.currentTimeTimer; + Edge.prototype.disconnect = function () { + if (this.from) { + this.from.detachEdge(this); + this.from = null; + } + if (this.to) { + this.to.detachEdge(this); + this.to = null; } + + this.connected = false; }; /** - * 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. + * get the title of this edge. + * @return {string} title The title of the edge, or undefined when no title + * has been set. */ - CurrentTime.prototype.setCurrentTime = function(time) { - var t = util.convert(time, 'Date').valueOf(); - var now = new Date().valueOf(); - this.offset = t - now; - this.redraw(); + Edge.prototype.getTitle = function() { + return typeof this.title === "function" ? this.title() : this.title; }; + /** - * Get the current time. - * @return {Date} Returns the current time. + * Retrieve the value of the edge. Can be undefined + * @return {Number} value */ - CurrentTime.prototype.getCurrentTime = function() { - return new Date(new Date().valueOf() + this.offset); + Edge.prototype.getValue = function() { + return this.value; }; - module.exports = CurrentTime; - - -/***/ }, -/* 40 */ -/***/ function(module, exports, __webpack_require__) { - - // English - exports['en'] = { - current: 'current', - time: 'time' + /** + * 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; + } }; - exports['en_EN'] = exports['en']; - exports['en_US'] = exports['en']; - // Dutch - exports['nl'] = { - custom: 'aangepaste', - time: 'tijd' + /** + * 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"; }; - exports['nl_NL'] = exports['nl']; - exports['nl_BE'] = exports['nl']; - - -/***/ }, -/* 41 */ -/***/ function(module, exports, __webpack_require__) { - - 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); /** - * A custom time bar - * @param {{range: Range, dom: Object}} body - * @param {Object} [options] Available parameters: - * {Boolean} [showCustomTime] - * @constructor CustomTime - * @extends Component + * Check if this object is overlapping with the provided object + * @param {Object} obj an object with parameters left, top + * @return {boolean} True if location is located on the edge */ + Edge.prototype.isOverlappingWith = function(obj) { + if (this.connected) { + var distMax = 10; + var xFrom = this.from.x; + var yFrom = this.from.y; + var xTo = this.to.x; + var yTo = this.to.y; + var xObj = obj.left; + var yObj = obj.top; - function CustomTime (body, options) { - this.body = body; - - // default options - this.defaultOptions = { - showCustomTime: false, - locales: locales, - locale: 'en' - }; - this.options = util.extend({}, this.defaultOptions); - - this.customTime = new Date(); - this.eventParams = {}; // stores state parameters while dragging the bar - - // create the DOM - this._create(); - - this.setOptions(options); - } - - CustomTime.prototype = new Component(); + var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj); - /** - * 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); + return (dist < distMax); + } + else { + return false } }; - /** - * 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; - - 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); + 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 + }; + } - // attach event listeners - this.hammer = Hammer(bar, { - prevent_default: true - }); - this.hammer.on('dragstart', this._onDragStart.bind(this)); - this.hammer.on('drag', this._onDrag.bind(this)); - this.hammer.on('dragend', this._onDragEnd.bind(this)); + if (this.selected == true) {return colorObj.highlight;} + else if (this.hover == true) {return colorObj.hover;} + else {return colorObj.color;} }; + /** - * Destroy the CustomTime bar + * 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 */ - CustomTime.prototype.destroy = function () { - this.options.showCustomTime = false; - this.redraw(); // will remove the bar from the DOM + Edge.prototype._drawLine = function(ctx) { + // set style + ctx.strokeStyle = this._getColor(); + ctx.lineWidth = this._getLineWidth(); - this.hammer.enable(false); - this.hammer = null; + if (this.from != this.to) { + // draw line + var via = this._line(ctx); - this.body = null; + // 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); + } }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Get the line width of the edge. Depends on width and whether one of the + * connected nodes is selected. + * @return {Number} width + * @private */ - 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); + 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); + } + } + }; - var x = this.body.util.toScreen(this.customTime); - - var locale = this.options.locales[this.options.locale]; - var title = locale.time + ': ' + moment(this.customTime).format('dddd, MMMM Do YYYY, H:mm:ss'); - title = title.charAt(0).toUpperCase() + title.substring(1); + Edge.prototype._getViaCoordinates = function () { + var xVia = null; + var yVia = null; + var factor = this.options.smoothCurves.roundness; + var type = this.options.smoothCurves.type; - this.bar.style.left = x + 'px'; - this.bar.title = title; + 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 { - // remove the line from the DOM - if (this.bar.parentNode) { - this.bar.parentNode.removeChild(this.bar); + else if (type == "straightCross") { + if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { // up - down + xVia = this.from.x; + if (this.from.y < this.to.y) { + yVia = this.to.y - (1-factor) * dy; + } + else { + yVia = this.to.y + (1-factor) * dy; + } + } + else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { // left - right + if (this.from.x < this.to.x) { + xVia = this.to.x - (1-factor) * dx; + } + else { + xVia = this.to.x + (1-factor) * dx; + } + yVia = this.from.y; + } + } + else if (type == 'horizontal') { + if (this.from.x < this.to.x) { + xVia = this.to.x - (1-factor) * dx; + } + else { + xVia = this.to.x + (1-factor) * dx; + } + yVia = this.from.y; + } + else if (type == 'vertical') { + xVia = this.from.x; + if (this.from.y < this.to.y) { + yVia = this.to.y - (1-factor) * dy; + } + else { + yVia = this.to.y + (1-factor) * dy; + } + } + else { // continuous + if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + // console.log(1) + xVia = this.from.x + factor * dy; + yVia = this.from.y - factor * dy; + xVia = this.to.x < xVia ? this.to.x : xVia; + } + else if (this.from.x > this.to.x) { + // console.log(2) + xVia = this.from.x - factor * dy; + yVia = this.from.y - factor * dy; + xVia = this.to.x > xVia ? this.to.x :xVia; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + // console.log(3) + xVia = this.from.x + factor * dy; + yVia = this.from.y + factor * dy; + xVia = this.to.x < xVia ? this.to.x : xVia; + } + else if (this.from.x > this.to.x) { + // console.log(4, this.from.x, this.to.x) + xVia = this.from.x - factor * dy; + yVia = this.from.y + factor * dy; + xVia = this.to.x > xVia ? this.to.x : xVia; + } + } + } + else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + // console.log(5) + xVia = this.from.x + factor * dx; + yVia = this.from.y - factor * dx; + yVia = this.to.y > yVia ? this.to.y : yVia; + } + else if (this.from.x > this.to.x) { + // console.log(6) + xVia = this.from.x - factor * dx; + yVia = this.from.y - factor * dx; + yVia = this.to.y > yVia ? this.to.y : yVia; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + // console.log(7) + xVia = this.from.x + factor * dx; + yVia = this.from.y + factor * dx; + yVia = this.to.y < yVia ? this.to.y : yVia; + } + else if (this.from.x > this.to.x) { + // console.log(8) + xVia = this.from.x - factor * dx; + yVia = this.from.y + factor * dx; + yVia = this.to.y < yVia ? this.to.y : yVia; + } + } } } - return false; - }; - /** - * Set custom time. - * @param {Date | number | string} time - */ - CustomTime.prototype.setCustomTime = function(time) { - this.customTime = util.convert(time, 'Date'); - this.redraw(); + return {x:xVia, y:yVia}; }; /** - * Retrieve the current custom time. - * @return {Date} customTime + * Draw a line between two nodes + * @param {CanvasRenderingContext2D} ctx + * @private */ - CustomTime.prototype.getCustomTime = function() { - return new Date(this.customTime.valueOf()); + 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; + } }; /** - * Start moving horizontally - * @param {Event} event + * Draw a line from a node to itself, a circle + * @param {CanvasRenderingContext2D} ctx + * @param {Number} x + * @param {Number} y + * @param {Number} radius * @private */ - CustomTime.prototype._onDragStart = function(event) { - this.eventParams.dragging = true; - this.eventParams.customTime = this.customTime; - - event.stopPropagation(); - event.preventDefault(); + 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(); }; /** - * Perform moving operating. - * @param {Event} event + * 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 */ - 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); + 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; - this.setCustomTime(time); + 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; - // fire a timechange event - this.body.emitter.emit('timechange', { - time: new Date(this.customTime.valueOf()) - }); + 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; - event.stopPropagation(); - event.preventDefault(); - }; + // cache + this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; + } - /** - * Stop moving operating. - * @param {event} event - * @private - */ - 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()) - }); + 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); + } - event.stopPropagation(); - event.preventDefault(); + // 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; + } + } }; - module.exports = CustomTime; - - -/***/ }, -/* 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); - /** - * 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 + * 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 */ - function Graph2d (container, items, groups, options) { - // if the third element is options, the forth is groups (optionally); - if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) { - var forthArgument = options; - options = groups; - groups = forthArgument; - } - - var 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 = []; + Edge.prototype._drawDashLine = function(ctx) { + // set style + ctx.strokeStyle = this._getColor(); + ctx.lineWidth = this._getLineWidth(); - 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 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]; } - }; - - // 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); - } + // set dash settings for chrome or firefox + if (typeof ctx.setLineDash !== 'undefined') { //Chrome + ctx.setLineDash(pattern); + ctx.lineDashOffset = 0; - // create itemset - if (items) { - this.setItems(items); - } - else { - this.redraw(); - } - } + } else { //Firefox + ctx.mozDash = pattern; + ctx.mozDashOffset = 0; + } - // Extend the functionality from Core - Graph2d.prototype = new Core(); + // draw the line + via = this._line(ctx); - /** - * Set items - * @param {vis.DataSet | Array | google.visualization.DataTable | null} items - */ - Graph2d.prototype.setItems = function(items) { - var initialLoad = (this.itemsData == null); + // restore the dash settings. + if (typeof ctx.setLineDash !== 'undefined') { //Chrome + ctx.setLineDash([0]); + ctx.lineDashOffset = 0; - // convert to type DataSet when needed - var newDataSet; - if (!items) { - newDataSet = null; - } - else if (items instanceof DataSet || items instanceof DataView) { - newDataSet = items; + } else { //Firefox + ctx.mozDash = [0]; + ctx.mozDashOffset = 0; + } } - else { - // turn an array into a dataset - newDataSet = new DataSet(items, { - type: { - start: 'Date', - end: 'Date' - } - }); + 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(); } - // set items - this.itemsData = newDataSet; - this.linegraph && this.linegraph.setItems(newDataSet); - - 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}); + // 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 { - this.fit({animate: false}); + point = this._pointOnLine(0.5); } + this._label(ctx, this.label, point.x, point.y); } }; /** - * Set groups - * @param {vis.DataSet | Array | google.visualization.DataTable} groups + * Get a point on a line + * @param {Number} percentage. Value between 0 (line start) and 1 (line end) + * @return {Object} point + * @private */ - 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 { - // turn an array into a dataset - newDataSet = new DataSet(groups); + 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 } - - this.groupsData = newDataSet; - this.linegraph.setGroups(newDataSet); }; /** - * 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 + * 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 */ - 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; + 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) } - } + }; /** - * This checks if the visible option of the supplied group (by ID) is true or false. - * @param groupId - * @returns {*} + * 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 */ - 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)); + Edge.prototype._drawArrowCenter = function(ctx) { + var point; + // set style + ctx.strokeStyle = this._getColor(); + ctx.fillStyle = ctx.strokeStyle; + ctx.lineWidth = this._getLineWidth(); + + if (this.from != this.to) { + // draw line + var via = this._line(ctx); + + 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); + } + + ctx.arrow(point.x, point.y, angle, length); + ctx.fill(); + ctx.stroke(); + + // draw label + if (this.label) { + this._label(ctx, this.label, point.x, point.y); + } } else { - return false; + // 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); + + // 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(); + + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } } - } + }; + /** - * 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 + * 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 */ - Graph2d.prototype.getItemRange = function() { - var min = null; - var max = null; + Edge.prototype._drawArrow = function(ctx) { + // set style + ctx.strokeStyle = this._getColor(); + ctx.fillStyle = ctx.strokeStyle; + ctx.lineWidth = this._getLineWidth(); - // 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; - } - } + 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); + + 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 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(); } - } - return { - min: (min != null) ? new Date(min) : null, - max: (max != null) ? new Date(max) : null - }; - }; + 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; + } + 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(); - module.exports = Graph2d; + // 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(); -/***/ }, -/* 43 */ -/***/ function(module, exports, __webpack_require__) { + // 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(); - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(6); - var DataSet = __webpack_require__(7); - var DataView = __webpack_require__(9); - var Component = __webpack_require__(23); - var DataAxis = __webpack_require__(44); - var GraphGroup = __webpack_require__(46); - var Legend = __webpack_require__(50); - var BarGraphFunctions = __webpack_require__(49); + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + } + }; - var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items - /** - * 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; - 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, - showMinorLines: true, - showMajorLines: true, - icons: false, - width: '40px', - visible: true, - alignZeros: true, - customRange: { - left: {min:undefined, max:undefined}, - right: {min:undefined, max:undefined} + /** + * 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; } - //, 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 + else { + var via = this._getViaCoordinates(); + xVia = via.x; + yVia = via.y; } - }, - groups: { - visibility: {} + 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; } - }; - - // 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 - - // 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); + else { + returnValue = this._getDistanceToLine(x1,y1,x2,y2,x3,y3); } - }; - - // 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); + } + 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); + } - 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 + 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.svgElements = {}; - this.setOptions(options); - this.groupsUsingDefaultStyles = [0]; - this.COUNTER = 0; - this.body.emitter.on('rangechanged', function() { - me.lastStart = me.body.range.start; - me.svg.style.left = util.option.asSize(-me.props.width); - me.redraw.call(me,true); - }); + 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; - // 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'); + if (u > 1) { + u = 1; + } + else if (u < 0) { + u = 0; + } - } + var x = x1 + u * px, + y = y1 + u * py, + dx = x - x3, + dy = y - y3; - LineGraph.prototype = new Component(); + //# 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 + + return Math.sqrt(dx*dx + dy*dy); + }; /** - * Create the HTML DOM for the ItemSet + * This allows the zoom level of the network to influence the rendering + * + * @param scale */ - LineGraph.prototype._create = function(){ - var frame = document.createElement('div'); - frame.className = 'LineGraph'; - this.dom.frame = frame; - - // create svg element for graph drawing. - this.svg = document.createElementNS('http://www.w3.org/2000/svg','svg'); - this.svg.style.position = 'relative'; - this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; - this.svg.style.display = 'block'; - frame.appendChild(this.svg); + Edge.prototype.setScale = function(scale) { + this.networkScaleInv = 1.0/scale; + }; - // 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; + Edge.prototype.select = function() { + this.selected = true; + }; - // 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); + Edge.prototype.unselect = function() { + this.selected = false; + }; - this.show(); + 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); + } + else { + this.via.x = 0; + this.via.y = 0; + } }; /** - * set the options of the LineGraph. the mergeOptions is used for subObjects that have an enabled element. - * @param {object} options + * This function draws the control nodes for the manipulator. + * In order to enable this, only set the this.controlNodesEnabled to true. + * @param ctx */ - LineGraph.prototype.setOptions = function(options) { - if (options) { - var fields = ['sampling','defaultGroup','height','graphHeight','yAxisOrientation','style','barChart','dataAxis','sort','groups']; - if (options.graphHeight === undefined && options.height !== undefined && this.body.domProps.centerContainer.height !== undefined) { - this.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'); - - if (options.catmullRom) { - if (typeof options.catmullRom == 'object') { - if (options.catmullRom.parametrization) { - if (options.catmullRom.parametrization == 'uniform') { - this.options.catmullRom.alpha = 0; - } - else if (options.catmullRom.parametrization == 'chordal') { - this.options.catmullRom.alpha = 1.0; - } - else { - this.options.catmullRom.parametrization = 'centripetal'; - this.options.catmullRom.alpha = 0.5; - } - } - } - } - - if (this.yAxisLeft) { - if (options.dataAxis !== undefined) { - this.yAxisLeft.setOptions(this.options.dataAxis); - this.yAxisRight.setOptions(this.options.dataAxis); - } + 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.legendLeft) { - if (options.legend !== undefined) { - this.legendLeft.setOptions(this.options.legend); - this.legendRight.setOptions(this.options.legend); - } + 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; } - if (this.groups.hasOwnProperty(UNGROUPED)) { - this.groups[UNGROUPED].setOptions(options); - } + this.controlNodes.from.draw(ctx); + this.controlNodes.to.draw(ctx); } - - // this is used to redraw the graph if the visibility of the groups is changed. - if (this.dom.frame) { - this.redraw(true); + else { + this.controlNodes = {from:null, to:null, positions:{}}; } }; /** - * Hide the component from the DOM + * Enable control nodes. + * @private */ - LineGraph.prototype.hide = function() { - // remove the frame containing the items - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } + Edge.prototype._enableControlNodes = function() { + this.fromBackup = this.from; + this.toBackup = this.to; + this.controlNodesEnabled = true; }; - /** - * Show the component in the DOM (when not already visible). - * @return {Boolean} changed + * disable control nodes and remove from dynamicEdges from old node + * @private */ - LineGraph.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); + 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; }; /** - * Set items - * @param {vis.DataSet | null} items + * 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 */ - LineGraph.prototype.setItems = function(items) { - var me = this, - ids, - oldItemsData = this.itemsData; + 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)); - // replace the dataset - if (!items) { - this.itemsData = null; + if (fromDistance < 15) { + this.connectedNode = this.from; + this.from = this.controlNodes.from; + return this.controlNodes.from; } - else if (items instanceof DataSet || items instanceof DataView) { - this.itemsData = items; + else if (toDistance < 15) { + this.connectedNode = this.to; + this.to = this.controlNodes.to; + return this.controlNodes.to; } else { - throw new TypeError('Data must be an instance of DataSet or DataView'); + return null; } + }; - 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); + /** + * 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(); } - - 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); + else if (this.controlNodes.to.selected == true) { + this.to = this.connectedNode; + this.connectedNode = null; + this.controlNodes.to.unselect(); } - this._updateUngrouped(); - //this._updateGraph(); - this.redraw(true); }; - /** - * Set groups - * @param {vis.DataSet} groups + * 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: *}}} */ - 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); - }); + 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; - // remove all drawn groups - ids = this.groupsData.getIds(); - this.groupsData = null; - this._onRemoveGroups(ids); // note: this will cause a 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(); } - // replace the dataset - if (!groups) { - this.groupsData = null; + 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); } - else if (groups instanceof DataSet || groups instanceof DataView) { - this.groupsData = groups; + 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 { - throw new TypeError('Data must be an instance of DataSet or DataView'); + xTo = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; + yTo = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; } - 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); - } - this._onUpdate(); + return {from:{x:xFrom,y:yFrom},to:{x:xTo,y:yTo}}; }; + module.exports = Edge; + +/***/ }, +/* 38 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); /** - * Update the data - * @param [ids] - * @private + * @class Groups + * This class can store groups and properties specific for groups. */ - 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]); - } + function Groups() { + this.clear(); + this.defaultIndex = 0; + } - //this._updateGraph(); - this.redraw(true); - }; - LineGraph.prototype._onAddGroups = function (groupIds) {this._onUpdateGroups(groupIds);}; + + /** + * 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 + ]; /** - * this cleans the group out off the legends and the dataaxis, updates the ungrouped and updates the graph - * @param {Array} groupIds - * @private + * Clear all groups */ - 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(); + Groups.prototype.clear = function () { + this.groups = {}; + this.groups.length = function() + { + var i = 0; + for ( var p in this ) { + if (this.hasOwnProperty(p)) { + i++; } - delete this.groups[groupIds[i]]; } + return i; } - this._updateUngrouped(); - //this._updateGraph(); - this.redraw(true); }; /** - * update a group object with the group dataset entree - * - * @param group - * @param groupId - * @private + * 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 */ - 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]); - } + 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; } - 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]); - } + + return group; + }; + + /** + * 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); } - this.legendLeft.redraw(); - this.legendRight.redraw(); + return style; }; + module.exports = Groups; + + +/***/ }, +/* 39 */ +/***/ function(module, exports, __webpack_require__) { + + /** + * @class Images + * This class loads images and keeps them stored. + */ + function Images() { + this.images = {}; + + this.callback = undefined; + } + + /** + * Set an onload callback function. This will be called each time an image + * is loaded + * @param {function} callback + */ + Images.prototype.setOnloadCallback = function(callback) { + this.callback = callback; + }; /** - * this updates all groups, it is used when there is an update the the itemset. * - * @private + * @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 */ - 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]); + 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; } + + return img; }; + module.exports = Images; + + +/***/ }, +/* 40 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); /** - * 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 + * @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 + * */ - 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; - } - } - } + function Node(properties, imagelist, grouplist, networkConstants) { + var constants = util.selectiveBridgeObject(['nodes'],networkConstants); + this.options = constants.nodes; - 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.selected = false; + this.hover = false; - this.legendLeft.redraw(); - this.legendRight.redraw(); + this.edges = []; // all edges connected to this node + this.dynamicEdges = []; + this.reroutedEdges = {}; + + this.fontDrawThreshold = 3; + + // 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.boundingBox = {top:0, left:0, right:0, bottom:0}; + + 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}; + + this.setProperties(properties, constants); + + // 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; + + // 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; + } + + /** + * (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; + }; /** - * Redraw the component, mandatory function - * @return {boolean} Returns true if the component is resized + * Detach a edge from the node + * @param {Edge} edge */ - LineGraph.prototype.redraw = function(forceGraphUpdate) { - var resized = false; + 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; + }; - // calculate actual size and position - this.props.width = this.dom.frame.offsetWidth; - this.props.height = this.body.domProps.centerContainer.height; - // update the graph if there is no lastWidth or with, used for the initial draw - if (this.lastWidth === undefined && this.props.width) { - forceGraphUpdate = true; + /** + * 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; } - // check if this component is resized - resized = this._isResized() || resized; + var fields = ['borderWidth','borderWidthSelected','shape','image','brokenImage','radius','fontColor', + 'fontSize','fontFace','fontFill','group','mass' + ]; + util.selectiveDeepExtend(fields, this.options, properties); - // check whether zoomed (in that case we need to re-stack everything) - var visibleInterval = this.body.range.end - this.body.range.start; - var zoomed = (visibleInterval != this.lastVisibleInterval); - this.lastVisibleInterval = visibleInterval; + // 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;} + // 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;} - // the svg element is three times as big as the width, this allows for fully dragging left and right - // without reloading the graph. the controls for this are bound to events in the constructor - if (resized == true) { - this.svg.style.width = util.option.asSize(3*this.props.width); - this.svg.style.left = util.option.asSize(-this.props.width); - if ((this.options.height + '').indexOf("%") != -1) { - this.autoSizeSVG = true; + if (this.id === undefined) { + throw "Node must have an id"; + } + + // 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]; + } } } + else if (properties.color === undefined) { + this.options.color = constants.nodes.color; + } - // 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'; + // 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"; } - this.autoSizeSVG = false; } - else { - this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; + + if (properties.allowedToMoveX !== undefined) { + this.xFixed = !properties.allowedToMoveX; + this.allowedToMoveX = properties.allowedToMoveX; + } + else if (properties.x !== undefined && this.allowedToMoveX == false) { + this.xFixed = true; } - // zoomed is here to ensure that animations are shown correctly. - if (resized == true || zoomed == true || this.abortedGraphUpdate == true || forceGraphUpdate == true) { - resized = this._updateGraph() || resized; + + if (properties.allowedToMoveY !== undefined) { + this.yFixed = !properties.allowedToMoveY; + this.allowedToMoveY = properties.allowedToMoveY; } - else { - // move the whole svg while dragging - if (this.lastStart != 0) { - var offset = this.body.range.start - this.lastStart; - var range = this.body.range.end - this.body.range.start; - if (this.props.width != 0) { - var rangePerPixelInv = this.props.width/range; - var xOffset = offset * rangePerPixelInv; - this.svg.style.left = (-this.props.width - xOffset) + 'px'; - } - } + else if (properties.y !== undefined && this.allowedToMoveY == false) { + this.yFixed = true; } - this.legendLeft.redraw(); - this.legendRight.redraw(); + this.radiusFixed = this.radiusFixed || (properties.radius !== undefined); - return resized; - }; + if (this.options.shape == 'image') { + this.options.radiusMin = constants.nodes.widthMin; + this.options.radiusMax = constants.nodes.widthMax; + } + + + + // 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(); + }; /** - * Update and redraw the graph. - * + * select this node */ - LineGraph.prototype._updateGraph = function () { - // reset the svg elements - DOMutil.prepareElements(this.svgElements); - if (this.props.width != 0 && this.itemsData != null) { - var group, i; - var preprocessedGroupData = {}; - var processedGroupData = {}; - var groupRanges = {}; - var changeCalled = false; - - // getting group Ids - var groupIds = []; - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - group = this.groups[groupId]; - if (group.visible == true && (this.options.groups.visibility[groupId] === undefined || this.options.groups.visibility[groupId] == true)) { - groupIds.push(groupId); - } - } - } - if (groupIds.length > 0) { - // this is the range of the SVG canvas - var minDate = this.body.util.toGlobalTime(-this.body.domProps.root.width); - var maxDate = this.body.util.toGlobalTime(2 * this.body.domProps.root.width); - var groupsData = {}; - // fill groups data, this only loads the data we require based on the timewindow - this._getRelevantData(groupIds, groupsData, minDate, maxDate); - - // 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]]); - } - - // 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; + Node.prototype.select = function() { + this.selected = true; + this._reset(); + }; - // 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); - } + /** + * unselect this node + */ + Node.prototype.unselect = function() { + this.selected = false; + this._reset(); + }; - // 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); - } - } - } - // cleanup unused svg elements - DOMutil.cleanupElements(this.svgElements); - return false; + /** + * Reset the calculated size of the node, forces it to recalculate its size + */ + Node.prototype.clearSizeCache = function() { + this._reset(); }; - /** - * 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 + * Reset the calculated size of the node, forces it to recalculate its size * @private */ - LineGraph.prototype._getRelevantData = function (groupIds, groupsData, minDate, maxDate) { - var group, i, j, item; - if (groupIds.length > 0) { - for (i = 0; i < groupIds.length; i++) { - group = this.groups[groupIds[i]]; - groupsData[groupIds[i]] = []; - var dataContainer = groupsData[groupIds[i]]; - // optimization for sorted data - if (group.options.sort == true) { - var guess = Math.max(0, util.binarySearchValue(group.itemsData, minDate, 'x', 'before')); - for (j = guess; j < group.itemsData.length; j++) { - item = group.itemsData[j]; - if (item !== undefined) { - if (item.x > maxDate) { - dataContainer.push(item); - break; - } - else { - dataContainer.push(item); - } - } - } - } - else { - for (j = 0; j < group.itemsData.length; j++) { - item = group.itemsData[j]; - if (item !== undefined) { - if (item.x > minDate && item.x < maxDate) { - dataContainer.push(item); - } - } - } - } - } - } + Node.prototype._reset = function() { + this.width = undefined; + this.height = undefined; }; + /** + * get the title of this node. + * @return {string} title The title of the node, or undefined when no title + * has been set. + */ + Node.prototype.getTitle = function() { + return typeof this.title === "function" ? this.title() : this.title; + }; /** - * - * @param groupIds - * @param groupsData - * @private + * 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 */ - 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; + Node.prototype.distanceToBorder = function (ctx, angle) { + var borderWidth = 1; - // 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))); + if (!this.width) { + this.resize(ctx); + } - var sampledData = []; - for (var j = 0; j < amountOfPoints; j += increment) { - sampledData.push(dataContainer[j]); + switch (this.options.shape) { + case 'circle': + case 'dot': + return this.options.radius+ borderWidth; - } - groupsData[groupIds[i]] = sampledData; - } - } - } - } - }; + 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 - /** - * - * - * @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]); - } + 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; } - } - // 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'); } + // 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; + }; /** - * 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 + * Add forces acting on the node + * @param {number} fx Force in horizontal direction + * @param {number} fy Force in vertical direction * @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 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; - - 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; - } - } - } - } + Node.prototype._addForce = function(fx, fy) { + this.fx += fx; + this.fy += fy; + }; - if (yAxisLeftUsed == true) { - this.yAxisLeft.setRange(minLeft, maxLeft); - } - if (yAxisRightUsed == true) { - this.yAxisRight.setRange(minRight, maxRight); - } + /** + * Perform one discrete step for the node + * @param {number} interval Time interval in seconds + */ + 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 } - changeCalled = this._toggleAxisVisiblity(yAxisLeftUsed , this.yAxisLeft) || changeCalled; - changeCalled = this._toggleAxisVisiblity(yAxisRightUsed, this.yAxisRight) || changeCalled; - if (yAxisRightUsed == true && yAxisLeftUsed == true) { - this.yAxisLeft.drawIcons = true; - this.yAxisRight.drawIcons = true; + 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.yAxisLeft.drawIcons = false; - this.yAxisRight.drawIcons = false; + this.fy = 0; + this.vy = 0; } - this.yAxisRight.master = !yAxisLeftUsed; + }; - if (this.yAxisRight.master == false) { - if (yAxisRightUsed == true) {this.yAxisLeft.lineOffset = this.yAxisRight.width;} - else {this.yAxisLeft.lineOffset = 0;} - changeCalled = this.yAxisLeft.redraw() || changeCalled; - this.yAxisRight.stepPixelsForced = this.yAxisLeft.stepPixels; - this.yAxisRight.zeroCrossing = this.yAxisLeft.zeroCrossing; - changeCalled = this.yAxisRight.redraw() || changeCalled; + + /** + * Perform one discrete step for the node + * @param {number} interval Time interval in seconds + * @param {number} maxVelocity The speed limit imposed on the velocity + */ + Node.prototype.discreteStepLimited = function(interval, maxVelocity) { + 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 { - changeCalled = this.yAxisRight.redraw() || changeCalled; + this.fx = 0; + this.vx = 0; } - // clean the accumulated lists - if (groupIds.indexOf('__barchartLeft') != -1) { - groupIds.splice(groupIds.indexOf('__barchartLeft'),1); + 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 (groupIds.indexOf('__barchartRight') != -1) { - groupIds.splice(groupIds.indexOf('__barchartRight'),1); + else { + this.fy = 0; + this.vy = 0; } - - return changeCalled; }; - /** - * 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 + * Check if this node has a fixed x and y position + * @return {boolean} true if fixed, false if not */ - 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; + Node.prototype.isFixed = function() { + return (this.xFixed && this.yFixed); }; + /** + * 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); + }; /** - * 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 + * check if this node is selecte + * @return {boolean} selected True if node is selected, else false */ - LineGraph.prototype._convertXcoordinates = function (datapoints) { - var extractedData = []; - var xValue, yValue; - var toScreen = this.body.util.toScreen; + Node.prototype.isSelected = function() { + return this.selected; + }; - for (var i = 0; i < datapoints.length; i++) { - xValue = toScreen(datapoints[i].x) + this.props.width; - yValue = datapoints[i].y; - extractedData.push({x: xValue, y: yValue}); - } + /** + * Retrieve the value of the node. Can be undefined + * @return {Number} value + */ + Node.prototype.getValue = function() { + return this.value; + }; - return extractedData; + /** + * Calculate the distance from the nodes location to the given location (x,y) + * @param {Number} x + * @param {Number} y + * @return {Number} value + */ + Node.prototype.getDistance = function(x, y) { + var dx = this.x - x, + dy = this.y - y; + return Math.sqrt(dx * dx + dy * dy); }; /** - * 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 + * Adjust the value range of the node. The node will adjust it's radius + * based on its value. + * @param {Number} min + * @param {Number} max */ - 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; - } - - for (var i = 0; i < datapoints.length; i++) { - xValue = toScreen(datapoints[i].x) + this.props.width; - yValue = Math.round(axis.convertValue(datapoints[i].y)); - extractedData.push({x: xValue, y: yValue}); + 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; + }; - group.setZeroPosition(Math.min(svgHeight, axis.convertValue(0))); - - return extractedData; + /** + * 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"; }; - - module.exports = LineGraph; - - -/***/ }, -/* 44 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(6); - var Component = __webpack_require__(23); - var DataStep = __webpack_require__(45); + /** + * 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"; + }; /** - * A horizontal time axis - * @param {Object} [options] See DataAxis.setOptions for the available - * options. - * @constructor DataAxis - * @extends Component - * @param body + * 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 DataAxis (body, options, svg, linegraphOptions) { - this.id = util.randomUUID(); - this.body = body; + 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); + }; - this.defaultOptions = { - orientation: 'left', // supported: 'left', 'right' - showMinorLabels: true, - showMajorLabels: true, - showMinorLines: true, - showMajorLines: 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} + 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; - this.linegraphOptions = linegraphOptions; - this.linegraphSVG = svg; - this.props = {}; - this.DOMelements = { // dynamic elements - lines: {}, - labels: {}, - title: {} - }; + this.growthIndicator = 0; + if (this.width > 0 && this.height > 0) { + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; + this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - width; + } + } - this.dom = {}; + }; - this.range = {start:0, end:0}; + Node.prototype._drawImage = function (ctx) { + this._resizeImage(ctx); - this.options = util.extend({}, this.defaultOptions); - this.conversionFactor = 1; + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - this.setOptions(options); - this.width = Number(('' + this.options.width).replace("px","")); - this.minWidth = this.width; - this.height = this.linegraphSVG.offsetHeight; - this.hidden = false; + 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); - this.stepPixels = 25; - this.stepPixelsForced = 25; - this.zeroCrossing = -1; + ctx.globalAlpha = 0.5; + ctx.drawImage(this.imageObj, this.left - lineWidth, this.top - lineWidth, this.width + 2*lineWidth, this.height + 2*lineWidth); + } - this.lineOffset = 0; - this.master = true; - this.svgElements = {}; - this.iconsRemoved = 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; + } - this.groups = {}; - this.amountOfGroups = 0; + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; - // create the HTML DOM - this._create(); + this._label(ctx, this.label, this.x, yLabel, undefined, "top"); + this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); + this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); + this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); + }; - var me = this; - this.body.emitter.on("verticalDrag", function() { - me.dom.lineContainer.style.top = me.body.domProps.scrollTop + 'px'; - }); - } - DataAxis.prototype = new Component(); + 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; - DataAxis.prototype.addGroup = function(label, graphOptions) { - if (!this.groups.hasOwnProperty(label)) { - this.groups[label] = graphOptions; } - this.amountOfGroups += 1; }; - DataAxis.prototype.updateGroup = function(label, graphOptions) { - this.groups[label] = graphOptions; - }; + Node.prototype._drawBox = function (ctx) { + this._resizeBox(ctx); - DataAxis.prototype.removeGroup = function(label) { - if (this.groups.hasOwnProperty(label)) { - delete this.groups[label]; - this.amountOfGroups -= 1; - } - }; + 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; - 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', - 'showMajorLines', - 'showMinorLines', - 'icons', - 'majorLinesOffset', - 'minorLinesOffset', - 'labelOffsetX', - 'labelOffsetY', - 'iconWidth', - 'width', - 'visible', - 'customRange', - 'title', - 'format', - 'alignZeros' - ]; - util.selectiveExtend(fields, this.options, options); + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - this.minWidth = Number(('' + this.options.width).replace("px","")); + // 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); - if (redraw == true && this.dom.frame) { - this.hide(); - this.show(); - } + 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); + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.options.color.background; - /** - * 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; + ctx.roundRect(this.left, this.top, this.width, this.height, this.options.radius); + ctx.fill(); + ctx.stroke(); - 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'; + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; - // 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); + this._label(ctx, this.label, this.x, this.y); }; - 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; + 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; - if (this.options.orientation == 'left') { - x = iconOffset; - } - else { - x = this.width - iconWidth - iconOffset; + // 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; } + }; - 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; - } - } - } + Node.prototype._drawDatabase = function (ctx) { + this._resizeDatabase(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - DOMutil.cleanupElements(this.svgElements); - this.iconsRemoved = false; - }; + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - DataAxis.prototype._cleanupIcons = function() { - if (this.iconsRemoved == false) { - DOMutil.prepareElements(this.svgElements); - DOMutil.cleanupElements(this.svgElements); - this.iconsRemoved = true; - } - } + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - /** - * 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); - } - } + // 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); - if (!this.dom.lineContainer.parentNode) { - this.body.dom.backgroundHorizontal.appendChild(this.dom.lineContainer); + 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); - /** - * Create the HTML DOM for the DataAxis - */ - DataAxis.prototype.hide = function() { - this.hidden = true; - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } + 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(); - if (this.dom.lineContainer.parentNode) { - this.dom.lineContainer.parentNode.removeChild(this.dom.lineContainer); - } - }; + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; - /** - * Set a range (start and end) - * @param end - * @param start - * @param end - */ - DataAxis.prototype.setRange = function (start, end) { - if (this.master == false && this.options.alignZeros == true && this.zeroCrossing != -1) { - if (start > 0) { - start = 0; - } - } - this.range.start = start; - this.range.end = end; + this._label(ctx, this.label, this.x, this.y); }; - /** - * Repaint the component - * @return {boolean} Returns true if the component is resized - */ - 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(); + 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; + + // 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; } - 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; + Node.prototype._drawCircle = function (ctx) { + this._resizeCircle(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - var props = this.props; - var frame = this.dom.frame; + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - // update classname - frame.className = 'dataaxis'; + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - // calculate character width and height - this._calculateCharSize(); + // 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 orientation = this.options.orientation; - var showMinorLabels = this.options.showMinorLabels; - var showMajorLabels = this.options.showMajorLabels; + 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); - // determine the width and height of the elements for the axis - props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; - props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; + 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(); - 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; + this.boundingBox.top = this.y - this.options.radius; + this.boundingBox.left = this.x - this.options.radius; + this.boundingBox.right = this.x + this.options.radius; + this.boundingBox.bottom = this.y + this.options.radius; - // 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(); + this._label(ctx, this.label, this.x, this.y); + }; - if (this.options.icons == true) { - this._redrawGroupIcons(); - } - else { - this._cleanupIcons(); + 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; } + var defaultSize = this.width; - this._redrawTitle(orientation); + // 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; } - return changeCalled; }; - /** - * Repaint major and minor text labels and vertical grid lines - * @private - */ - DataAxis.prototype._redrawLabels = function () { - DOMutil.prepareElements(this.DOMelements.lines); - DOMutil.prepareElements(this.DOMelements.labels); + Node.prototype._drawEllipse = function (ctx) { + this._resizeEllipse(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - var orientation = this.options['orientation']; + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - // 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; + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - 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 - ); + // 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.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)); + 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); - this.stepPixels = stepPixels; + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - var amountOfSteps = this.height / stepPixels; - var stepDifference = 0; + ctx.ellipse(this.left, this.top, this.width, this.height); + ctx.fill(); + ctx.stroke(); - // 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; + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; - 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 { - amountOfSteps += 0.25; - } + this._label(ctx, this.label, this.x, this.y); + }; + Node.prototype._drawDot = function (ctx) { + this._drawShape(ctx, 'circle'); + }; - this.valueAtZero = step.marginEnd; - var marginStartPos = 0; + Node.prototype._drawTriangle = function (ctx) { + this._drawShape(ctx, 'triangle'); + }; - // do not draw the first label - var max = 1; + Node.prototype._drawTriangleDown = function (ctx) { + this._drawShape(ctx, 'triangleDown'); + }; - // Get the number of decimal places - var decimals; - if(this.options.format[orientation] !== undefined) { - decimals = this.options.format[orientation].decimals; - } + Node.prototype._drawSquare = function (ctx) { + this._drawShape(ctx, 'square'); + }; - 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(); + Node.prototype._drawStar = function (ctx) { + this._drawShape(ctx, 'star'); + }; - 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); - } + 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; - 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); - } - if (this.options.showMajorLines == true) { - this._redrawLine(y, orientation, 'grid horizontal major', this.options.majorLinesOffset, this.props.majorLineWidth); - } - } - else if (this.options.showMinorLines == true) { - this._redrawLine(y, orientation, 'grid horizontal minor', this.options.minorLinesOffset, this.props.minorLineWidth); - } + // 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; + } + }; - if (this.master == true && step.current == 0) { - this.zeroCrossing = max; - } + Node.prototype._drawShape = function (ctx, shape) { + this._resizeShape(ctx); - max++; - } + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - if (this.master == false) { - this.conversionFactor = y / (this.valueAtZero - step.current); - } - else { - this.conversionFactor = this.dom.frame.offsetHeight / step.marginRange; - } + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + var radiusMultiplier = 2; - // 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; + // 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 offset = this.options.icons == true ? Math.max(this.options.iconWidth, titleWidth) + this.options.labelOffsetX + 15 : titleWidth + this.options.labelOffsetX + 15; - // 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; + 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[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); - DataAxis.prototype.convertValue = function (value) { - var invertedValue = this.valueAtZero - value; - var convertedValue = invertedValue * this.conversionFactor; - return convertedValue; - }; + 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(); - /** - * Create a label for the axis at position x - * @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"; - } + this.boundingBox.top = this.y - this.options.radius; + this.boundingBox.left = this.x - this.options.radius; + this.boundingBox.right = this.x + this.options.radius; + this.boundingBox.bottom = this.y + this.options.radius; - label.style.top = y - 0.5 * characterHeight + this.options.labelOffsetY + 'px'; + if (this.label) { + this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'top',true); + this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); + this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); + this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); + } + }; - text += ''; + 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; - var largestWidth = Math.max(this.props.majorCharWidth,this.props.minorCharWidth); - if (this.maxLabelSize < text.length * largestWidth) { - this.maxLabelSize = text.length * largestWidth; + // 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); } }; - /** - * Create a minor line for the axis at position y - * @param y - * @param orientation - * @param className - * @param offset - * @param width - */ - 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 = ''; + Node.prototype._drawText = function (ctx) { + this._resizeText(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - if (orientation == 'left') { - line.style.left = (this.width - offset) + 'px'; - } - else { - line.style.right = (this.width - offset) + 'px'; - } + this._label(ctx, this.label, this.x, this.y); - line.style.width = width + 'px'; - line.style.top = y + 'px'; - } + this.boundingBox.top = this.top; + this.boundingBox.left = this.left; + this.boundingBox.right = this.left + this.width; + this.boundingBox.bottom = this.top + this.height; }; - /** - * Create a title for the axis - * @private - * @param orientation - */ - 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; + 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; - // Add style - if provided - if (this.options.title[orientation].style !== undefined) { - util.addCssText(title, this.options.title[orientation].style); + 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); } - if (orientation == 'left') { - title.style.left = this.props.titleCharHeight + 'px'; + // 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; } - else { - title.style.right = this.props.titleCharHeight + 'px'; + 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}; - title.style.width = this.height + 'px'; - } + // 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); + } - // we need to clean up in case we did not use all elements. - DOMutil.cleanupElements(this.DOMelements.title); + // 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; + } + } }; + 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; - /** - * 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 - */ - 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; + for (var i = 0, iMax = lines.length; i < iMax; i++) { + width = Math.max(width, ctx.measureText(lines[i]).width); + } - this.dom.frame.removeChild(measureCharMinor); + return {"width": width, "height": height}; } - - if (!('majorCharHeight' in this.props)) { - var textMajor = document.createTextNode('0'); - var measureCharMajor = document.createElement('div'); - measureCharMajor.className = 'yAxis major measure'; - measureCharMajor.appendChild(textMajor); - this.dom.frame.appendChild(measureCharMajor); - - this.props.majorCharHeight = measureCharMajor.clientHeight; - this.props.majorCharWidth = measureCharMajor.clientWidth; - - this.dom.frame.removeChild(measureCharMajor); + else { + return {"width": 0, "height": 0}; } + }; - 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); - - this.props.titleCharHeight = measureCharTitle.clientHeight; - this.props.titleCharWidth = measureCharTitle.clientWidth; - - this.dom.frame.removeChild(measureCharTitle); + /** + * 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} + */ + 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; } }; /** - * 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 + * checks if the core of the node is in the display area, this is used for opening clusters around zoom + * @returns {boolean} */ - DataAxis.prototype.snap = function(date) { - return this.step.snap(date); + 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); }; - module.exports = DataAxis; - - -/***/ }, -/* 45 */ -/***/ function(module, exports, __webpack_require__) { - /** - * @constructor DataStep - * The class DataStep is an iterator for data for the lineGraph. You provide a start data point and an - * end data point. The class itself determines the best scale (step size) based on the - * provided start Date, end Date, and minimumStep. - * - * If minimumStep is provided, the step size is chosen as close as possible - * to the minimumStep but larger than minimumStep. If minimumStep is not - * provided, the scale is set to 1 DAY. - * The minimumStep should correspond with the onscreen size of about 6 characters - * - * Alternatively, you can set a scale by hand. - * After creation, you can initialize the class by executing first(). Then you - * can iterate from the start date to the end date via next(). You can check if - * the end date is reached with the function hasNext(). After each step, you can - * retrieve the current date via getCurrent(). - * The DataStep has scales ranging from milliseconds, seconds, minutes, hours, - * days, to years. - * - * Version: 1.2 + * 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 {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 + * @param scale + * @param canvasTopLeft + * @param canvasBottomRight */ - function DataStep(start, end, minimumStep, containerHeight, customRange, alignZeros) { - // variables - this.current = 0; - - this.autoScale = true; - this.stepIndex = 0; - this.step = 1; - this.scale = 1; + Node.prototype.setScaleAndPos = function(scale,canvasTopLeft,canvasBottomRight) { + this.networkScaleInv = 1.0/scale; + this.networkScale = scale; + this.canvasTopLeft = canvasTopLeft; + this.canvasBottomRight = canvasBottomRight; + }; - this.marginStart; - this.marginEnd; - this.deadSpace = 0; - this.majorSteps = [1, 2, 5, 10]; - this.minorSteps = [0.25, 0.5, 1, 2]; + /** + * 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; + }; - this.alignZeros = alignZeros; - this.setRange(start, end, minimumStep, containerHeight, customRange); - } + /** + * 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; + }; /** - * 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 + * Basic preservation of (kinectic) energy + * + * @param massBeforeClustering */ - 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; + 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); + }; - if (this._start == this._end) { - this._start -= 0.75; - this._end += 1; - } + module.exports = Node; - if (this.autoScale == true) { - this.setMinimumStep(minimumStep, containerHeight); - } - this.setFirst(customRange); - }; +/***/ }, +/* 41 */ +/***/ function(module, exports, __webpack_require__) { /** - * Automatically determine the scale that bests fits the provided minimum step - * @param {Number} [minimumStep] The minimum step size in milliseconds - */ - DataStep.prototype.setMinimumStep = function(minimumStep, containerHeight) { - // round to floor - var size = this._end - this._start; - var safeSize = size * 1.2; - var minimumStepValue = minimumStep * (safeSize / containerHeight); - var orderOfMagnitude = Math.round(Math.log(safeSize)/Math.LN10); - - var minorStepIdx = -1; - var magnitudefactor = Math.pow(10,orderOfMagnitude); - - var start = 0; - if (orderOfMagnitude < 0) { - start = orderOfMagnitude; + * 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; } - 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; + // 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' + } } } - if (solutionFound == true) { - break; - } } - this.stepIndex = minorStepIdx; - this.scale = magnitudefactor; - this.step = magnitudefactor * this.minorSteps[minorStepIdx]; - }; - + this.x = 0; + this.y = 0; + this.padding = 5; - /** - * Round the current date to the first minor date value - * This must be executed once when the current date is set to start Date - */ - DataStep.prototype.setFirst = function(customRange) { - if (customRange === undefined) { - customRange = {}; + if (x !== undefined && y !== undefined ) { + this.setPosition(x, y); } - - var niceStart = customRange.min === undefined ? this._start - (this.scale * 2 * this.minorSteps[this.stepIndex]) : customRange.min; - var niceEnd = customRange.max === undefined ? this._end + (this.scale * this.minorSteps[this.stepIndex]) : customRange.max; - - this.marginEnd = customRange.max === undefined ? this.roundToMinor(niceEnd) : customRange.max; - this.marginStart = customRange.min === undefined ? this.roundToMinor(niceStart) : customRange.min; - - // if we need to align the zero's we need to make sure that there is a zero to use. - if (this.alignZeros == true && (this.marginEnd - this.marginStart) % this.step != 0) { - this.marginEnd += this.marginEnd % this.step; + if (text !== undefined) { + this.setText(text); } - this.deadSpace = this.roundToMinor(niceEnd) - niceEnd + this.roundToMinor(niceStart) - niceStart; - this.marginRange = this.marginEnd - this.marginStart; - - - this.current = this.marginEnd; - }; - - DataStep.prototype.roundToMinor = function(value) { - var rounded = value - (value % (this.scale * this.minorSteps[this.stepIndex])); - if (value % (this.scale * this.minorSteps[this.stepIndex]) > 0.5 * (this.scale * this.minorSteps[this.stepIndex])) { - return rounded + (this.scale * this.minorSteps[this.stepIndex]); - } - else { - return rounded; - } + // 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); } - /** - * Check if the there is a next step - * @return {boolean} true if the current date has not passed the end date + * @param {number} x Horizontal position of the popup window + * @param {number} y Vertical position of the popup window */ - DataStep.prototype.hasNext = function () { - return (this.current >= this.marginStart); + Popup.prototype.setPosition = function(x, y) { + this.x = parseInt(x); + this.y = parseInt(y); }; /** - * Do the next step + * Set the content for the popup window. This can be HTML code or text. + * @param {string | Element} content */ - DataStep.prototype.next = function() { - var prev = this.current; - this.current -= this.step; - - // safety mechanism: if current time is still unchanged, move to the end - if (this.current == prev) { - this.current = this._end; + 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 } }; /** - * Do the next step + * Show the popup window + * @param {boolean} show Optional. Show or hide the window */ - DataStep.prototype.previous = function() { - this.current += this.step; - this.marginEnd += this.step; - this.marginRange = this.marginEnd - this.marginStart; - }; - - + Popup.prototype.show = function (show) { + if (show === undefined) { + show = true; + } - /** - * Get the current datetime - * @return {String} current The current date - */ - 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 (show) { + var height = this.frame.clientHeight; + var width = this.frame.clientWidth; + var maxHeight = this.frame.parentNode.clientHeight; + var maxWidth = this.frame.parentNode.clientWidth; - // 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; + var top = (this.y - height); + if (top + height + this.padding > maxHeight) { + top = maxHeight - height - this.padding; } - else if(decimals !== 0) { - // Calculate how long the string should be - accounting for the decimal place - index += decimals + 1; + if (top < this.padding) { + top = this.padding; } - if(index > toPrecision.length) { - // We need to add zeros! - for(var cnt = index - toPrecision.length; cnt > 0; cnt--) { - toPrecision += '0'; - } + + var left = this.x; + if (left + width + this.padding > maxWidth) { + left = maxWidth - width - this.padding; } - else { - // we need to remove characters - toPrecision = toPrecision.slice(0, index); + if (left < this.padding) { + left = this.padding; } - // Add the exponent if there is one - toPrecision += exp; + + this.frame.style.left = left + "px"; + this.frame.style.top = top + "px"; + this.frame.style.visibility = "visible"; } 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.hide(); } + }; - return toPrecision; + /** + * Hide the popup window + */ + Popup.prototype.hide = function () { + this.frame.style.visibility = "hidden"; }; + module.exports = Popup; + +/***/ }, +/* 42 */ +/***/ function(module, exports, __webpack_require__) { /** - * 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 + * 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 */ - DataStep.prototype.snap = function(date) { + function parseDOT (data) { + dot = data; + return parseGraph(); + } + // token types enumeration + var TOKENTYPE = { + NULL : 0, + DELIMITER : 1, + IDENTIFIER: 2, + UNKNOWN : 3 }; - /** - * Check if the current value is a major value (for example when the step - * is DAY, a major value is each first day of the MONTH) - * @return {boolean} true if current date is major, else false. - */ - DataStep.prototype.isMajor = function() { - return (this.current % (this.scale * this.majorSteps[this.stepIndex]) == 0); - }; + // map with all delimiters + var DELIMITERS = { + '{': true, + '}': true, + '[': true, + ']': true, + ';': true, + '=': true, + ',': true, - module.exports = DataStep; + '->': true, + '--': true + }; + 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 -/***/ }, -/* 46 */ -/***/ function(module, exports, __webpack_require__) { + /** + * 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); + } - 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); + /** + * 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); + } /** - * /** - * @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 + * Preview the next character from the dot file. + * @return {String} cNext */ - 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 nextPreview() { + return dot.charAt(index + 1); } + /** + * 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); + } /** - * this loads a reference to all items in this group into this group. - * @param {array} items + * Merge all properties of object b into object b + * @param {Object} a + * @param {Object} b + * @return {Object} a */ - 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 = []; + function merge (a, b) { + if (!a) { + a = {}; } - }; + if (b) { + for (var name in b) { + if (b.hasOwnProperty(name)) { + a[name] = b[name]; + } + } + } + return a; + } /** - * this is used for plotting barcharts, this way, we only have to calculate it once. - * @param pos + * 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 */ - GraphGroup.prototype.setZeroPosition = function(pos) { - this.zeroPosition = pos; - }; - + 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; + } + } + } /** - * set the options of the graph group over the default options. - * @param options + * 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 */ - GraphGroup.prototype.setOptions = function(options) { - if (options !== undefined) { - var fields = ['sampling','style','sort','yAxisOrientation','barChart']; - util.selectiveDeepExtend(fields, this.options, options); + function addNode(graph, node) { + var i, len; + var current = null; - util.mergeOptions(this.options, options,'catmullRom'); - util.mergeOptions(this.options, options,'drawPoints'); - util.mergeOptions(this.options, options,'shaded'); + // 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.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); + if (!current) { + // this is a new node + current = { + id: node.id + }; + if (graph.node) { + // clone default attributes + current.attr = merge(current.attr, graph.node); + } } - }; + // add node to this (sub)graph and all its parent graphs + for (i = graphs.length - 1; i >= 0; i--) { + var g = graphs[i]; - /** - * 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); - }; + if (!g.nodes) { + g.nodes = []; + } + if (g.nodes.indexOf(current) == -1) { + g.nodes.push(current); + } + } + // merge attributes + if (node.attr) { + current.attr = merge(current.attr, node.attr); + } + } /** - * 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); - } - - 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"); - } - - if (this.options.drawPoints.enabled == true) { - DOMutil.drawPoint(x + 0.5 * iconWidth,y, this, JSONcontainer, SVGcontainer); - } + * Add an edge to a graph object + * @param {Object} graph + * @param {Object} edge + */ + function addEdge(graph, edge) { + if (!graph.edges) { + graph.edges = []; } - 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); - - 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); + graph.edges.push(edge); + if (graph.edge) { + var attr = merge({}, graph.edge); // clone default attributes + edge.attr = merge(attr, edge.attr); // merge attributes } - }; - + } /** - * return the legend entree for this group. - * - * @param iconWidth - * @param iconHeight - * @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}} + * 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 */ - 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 createEdge(graph, from, to, type, attr) { + var edge = { + from: from, + to: to, + type: type + }; - GraphGroup.prototype.getYRange = function(groupData) { - return this.type.getYRange(groupData); - } + if (graph.edge) { + edge.attr = merge({}, graph.edge); // clone default attributes + } + edge.attr = merge(edge.attr || {}, attr); // merge attributes - GraphGroup.prototype.draw = function(dataset, group, framework) { - this.type.draw(dataset, group, framework); + return edge; } - - module.exports = GraphGroup; - - -/***/ }, -/* 47 */ -/***/ function(module, exports, __webpack_require__) { - /** - * Created by Alex on 11/11/2014. + * Get next token in the current dot file. + * The token and token type are available as token and tokenType */ - var DOMutil = __webpack_require__(6); - var Points = __webpack_require__(48); - - function Line(groupId, options) { - this.groupId = groupId; - this.options = options; - } + function getToken() { + tokenType = TOKENTYPE.NULL; + token = ''; - Line.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; + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); } - return {min: yMin, max: yMax, yAxisOrientation: this.options.yAxisOrientation}; - }; + do { + var isComment = false; - /** - * draw a line graph - * - * @param dataset - * @param group - */ - Line.prototype.draw = function (dataset, group, framework) { - if (dataset != null) { - if (dataset.length > 0) { - var path, d; - var svgHeight = Number(framework.svg.style.height.replace('px','')); - path = DOMutil.getSVGElement('path', framework.svgElements, framework.svg); - path.setAttributeNS(null, "class", group.className); - if(group.style !== undefined) { - path.setAttributeNS(null, "style", group.style); + // skip comment + if (c == '#') { + // find the previous non-space character + var i = index - 1; + while (dot.charAt(i) == ' ' || dot.charAt(i) == '\t') { + i--; } - - // construct path from dataset - if (group.options.catmullRom.enabled == true) { - d = Line._catmullRom(dataset, group); + 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; } - else { - d = Line._linear(dataset); + } + if (c == '/' && nextPreview() == '/') { + // skip line comment + while (c != '' && c != '\n') { + next(); } - - // append with points for fill and finalize the path - if (group.options.shaded.enabled == true) { - var fillPath = DOMutil.getSVGElement('path', framework.svgElements, framework.svg); - var dFill; - if (group.options.shaded.orientation == 'top') { - dFill = 'M' + dataset[0].x + ',' + 0 + ' ' + d + 'L' + dataset[dataset.length - 1].x + ',' + 0; + 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 { - dFill = 'M' + dataset[0].x + ',' + svgHeight + ' ' + d + 'L' + dataset[dataset.length - 1].x + ',' + svgHeight; - } - fillPath.setAttributeNS(null, "class", group.className + " fill"); - if(group.options.shaded.style !== undefined) { - fillPath.setAttributeNS(null, "style", group.options.shaded.style); + next(); } - fillPath.setAttributeNS(null, "d", dFill); } - // copy properties to path for drawing. - path.setAttributeNS(null, 'd', 'M' + d); + isComment = true; + } - // draw points - if (group.options.drawPoints.enabled == true) { - Points.draw(dataset, group, framework); - } + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); } } - }; - - + while (isComment); - /** - * This uses an uniform parametrization of the CatmullRom algorithm: - * 'On the Parameterization of Catmull-Rom Curves' by Cem Yuksel et al. - * @param data - * @returns {string} - * @private - */ - Line._catmullRomUniform = function(data) { - // catmull rom - var p0, p1, p2, p3, bp1, bp2; - var d = Math.round(data[0].x) + ',' + Math.round(data[0].y) + ' '; - var normalization = 1/6; - var length = data.length; - for (var i = 0; i < length - 1; i++) { + // check for end of dot file + if (c == '') { + // token is still empty + tokenType = TOKENTYPE.DELIMITER; + return; + } - p0 = (i == 0) ? data[0] : data[i-1]; - p1 = data[i]; - p2 = data[i+1]; - p3 = (i + 2 < length) ? data[i+2] : p2; + // 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; + } - // Catmull-Rom to Cubic Bezier conversion matrix - // 0 1 0 0 - // -1/6 1 1/6 0 - // 0 1/6 1 -1/6 - // 0 0 1 0 + // 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(); - // bp0 = { x: p1.x, y: p1.y }; - bp1 = { x: ((-p0.x + 6*p1.x + p2.x) *normalization), y: ((-p0.y + 6*p1.y + p2.y) *normalization)}; - bp2 = { x: (( p1.x + 6*p2.x - p3.x) *normalization), y: (( p1.y + 6*p2.y - p3.y) *normalization)}; - // bp0 = { x: p2.x, y: p2.y }; + 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; + } - d += 'C' + - bp1.x + ',' + - bp1.y + ' ' + - bp2.x + ',' + - bp2.y + ' ' + - p2.x + ',' + - p2.y + ' '; + // 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; } - return d; - }; + // something unknown is found, wrong characters, a syntax error + tokenType = TOKENTYPE.UNKNOWN; + while (c != '') { + token += c; + next(); + } + throw new SyntaxError('Syntax error in part "' + chop(token, 30) + '"'); + } /** - * This uses either the chordal or centripetal parameterization of the catmull-rom algorithm. - * By default, the centripetal parameterization is used because this gives the nicest results. - * These parameterizations are relatively heavy because the distance between 4 points have to be calculated. - * - * One optimization can be used to reuse distances since this is a sliding window approach. - * @param data - * @param group - * @returns {string} - * @private + * Parse a graph. + * @returns {Object} graph */ - Line._catmullRom = function(data, group) { - var alpha = group.options.catmullRom.alpha; - if (alpha == 0 || alpha === undefined) { - return this._catmullRomUniform(data); - } - else { - var p0, p1, p2, p3, bp1, bp2, d1,d2,d3, A, B, N, M; - var d3powA, d2powA, d3pow2A, d2pow2A, d1pow2A, d1powA; - var d = Math.round(data[0].x) + ',' + Math.round(data[0].y) + ' '; - var length = data.length; - for (var i = 0; i < length - 1; i++) { - - p0 = (i == 0) ? data[0] : data[i-1]; - p1 = data[i]; - p2 = data[i+1]; - p3 = (i + 2 < length) ? data[i+2] : p2; + function parseGraph() { + var graph = {}; - d1 = Math.sqrt(Math.pow(p0.x - p1.x,2) + Math.pow(p0.y - p1.y,2)); - d2 = Math.sqrt(Math.pow(p1.x - p2.x,2) + Math.pow(p1.y - p2.y,2)); - d3 = Math.sqrt(Math.pow(p2.x - p3.x,2) + Math.pow(p2.y - p3.y,2)); + first(); + getToken(); - // Catmull-Rom to Cubic Bezier conversion matrix + // optional strict keyword + if (token == 'strict') { + graph.strict = true; + getToken(); + } - // A = 2d1^2a + 3d1^a * d2^a + d3^2a - // B = 2d3^2a + 3d3^a * d2^a + d2^2a + // graph or digraph keyword + if (token == 'graph' || token == 'digraph') { + graph.type = token; + getToken(); + } - // [ 0 1 0 0 ] - // [ -d2^2a /N A/N d1^2a /N 0 ] - // [ 0 d3^2a /M B/M -d2^2a /M ] - // [ 0 0 1 0 ] + // optional graph id + if (tokenType == TOKENTYPE.IDENTIFIER) { + graph.id = token; + getToken(); + } - d3powA = Math.pow(d3, alpha); - d3pow2A = Math.pow(d3,2*alpha); - d2powA = Math.pow(d2, alpha); - d2pow2A = Math.pow(d2,2*alpha); - d1powA = Math.pow(d1, alpha); - d1pow2A = Math.pow(d1,2*alpha); + // open angle bracket + if (token != '{') { + throw newSyntaxError('Angle bracket { expected'); + } + getToken(); - A = 2*d1pow2A + 3*d1powA * d2powA + d2pow2A; - B = 2*d3pow2A + 3*d3powA * d2powA + d2pow2A; - N = 3*d1powA * (d1powA + d2powA); - if (N > 0) {N = 1 / N;} - M = 3*d3powA * (d3powA + d2powA); - if (M > 0) {M = 1 / M;} + // statements + parseStatements(graph); - bp1 = { x: ((-d2pow2A * p0.x + A*p1.x + d1pow2A * p2.x) * N), - y: ((-d2pow2A * p0.y + A*p1.y + d1pow2A * p2.y) * N)}; + // close angle bracket + if (token != '}') { + throw newSyntaxError('Angle bracket } expected'); + } + getToken(); - bp2 = { x: (( d3pow2A * p1.x + B*p2.x - d2pow2A * p3.x) * M), - y: (( d3pow2A * p1.y + B*p2.y - d2pow2A * p3.y) * M)}; + // end of file + if (token !== '') { + throw newSyntaxError('End of file expected'); + } + getToken(); - if (bp1.x == 0 && bp1.y == 0) {bp1 = p1;} - if (bp2.x == 0 && bp2.y == 0) {bp2 = p2;} - d += 'C' + - bp1.x + ',' + - bp1.y + ' ' + - bp2.x + ',' + - bp2.y + ' ' + - p2.x + ',' + - p2.y + ' '; - } + // remove temporary default properties + delete graph.node; + delete graph.edge; + delete graph.graph; - return d; - } - }; + return graph; + } /** - * this generates the SVG path for a linear drawing between datapoints. - * @param data - * @returns {string} - * @private + * Parse a list with statements. + * @param {Object} graph */ - Line._linear = function(data) { - // linear - var d = ''; - for (var i = 0; i < data.length; i++) { - if (i == 0) { - d += data[i].x + ',' + data[i].y; - } - else { - d += ' ' + data[i].x + ',' + data[i].y; + function parseStatements (graph) { + while (token !== '' && token != '}') { + parseStatement(graph); + if (token == ';') { + getToken(); } } - return d; - }; - - module.exports = Line; - - -/***/ }, -/* 48 */ -/***/ function(module, exports, __webpack_require__) { + } /** - * Created by Alex on 11/11/2014. + * 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 */ - var DOMutil = __webpack_require__(6); + function parseStatement(graph) { + // parse subgraph + var subgraph = parseSubgraph(graph); + if (subgraph) { + // edge statements + parseEdge(graph, subgraph); - function Points(groupId, options) { - this.groupId = groupId; - this.options = options; - } + return; + } + // parse an attribute statement + var attr = parseAttributeStatement(graph); + if (attr) { + return; + } - 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; + // parse node + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier expected'); } - return {min: yMin, max: yMax, yAxisOrientation: this.options.yAxisOrientation}; - }; + var id = token; // id can be a string or a number + getToken(); - Points.prototype.draw = function(dataset, group, framework, offset) { - Points.draw(dataset, group, framework, offset); + 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); + } } /** - * draw the data points - * - * @param {Array} dataset - * @param {Object} JSONcontainer - * @param {Object} svg | SVG DOM element - * @param {GraphGroup} group - * @param {Number} [offset] + * Parse a subgraph + * @param {Object} graph parent graph object + * @return {Object | null} subgraph */ - 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 parseSubgraph (graph) { + var subgraph = null; - module.exports = Points; + // optional subgraph keyword + if (token == 'subgraph') { + subgraph = {}; + subgraph.type = 'subgraph'; + getToken(); -/***/ }, -/* 49 */ -/***/ function(module, exports, __webpack_require__) { + // optional graph id + if (tokenType == TOKENTYPE.IDENTIFIER) { + subgraph.id = token; + getToken(); + } + } + + // open angle bracket + if (token == '{') { + getToken(); + + if (!subgraph) { + subgraph = {}; + } + 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'); + } + 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 = []; + } + graph.subgraphs.push(subgraph); + } + + return subgraph; + } /** - * Created by Alex on 11/11/2014. + * 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. */ - var DOMutil = __webpack_require__(6); - var Points = __webpack_require__(48); + function parseAttributeStatement (graph) { + // attribute statements + if (token == 'node') { + getToken(); - function Bargraph(groupId, options) { - this.groupId = groupId; - this.options = options; - } + // node attributes + graph.node = parseAttributeList(); + return 'node'; + } + else if (token == 'edge') { + getToken(); - Bargraph.prototype.getYRange = function(groupData) { - if (this.options.barChart.handleOverlap != 'stack') { - 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}; + // edge attributes + graph.edge = parseAttributeList(); + return 'edge'; } - else { - var barCombinedData = []; - for (var j = 0; j < groupData.length; j++) { - barCombinedData.push({ - x: groupData[j].x, - y: groupData[j].y, - groupId: this.groupId - }); - } - return barCombinedData; + else if (token == 'graph') { + getToken(); + + // graph attributes + graph.graph = parseAttributeList(); + return 'graph'; } - }; + 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; + } + addNode(graph, node); + // edge statements + parseEdge(graph, id); + } /** - * draw a bar graph - * - * @param groupIds - * @param processedGroupData + * Parse an edge or a series of edges + * @param {Object} graph + * @param {String | Number} from Id of the from node */ - Bargraph.draw = function (groupIds, processedGroupData, framework) { - var combinedData = []; - var intersections = {}; - var coreDistance; - var key, drawData; - var group; - var i,j; - var barPoints = 0; + function parseEdge(graph, from) { + while (token == '->' || token == '--') { + var to; + var type = token; + getToken(); - // combine all barchart data - for (i = 0; i < groupIds.length; i++) { - group = framework.groups[groupIds[i]]; - if (group.options.style == 'bar') { - if (group.visible == true && (framework.options.groups.visibility[groupIds[i]] === undefined || framework.options.groups.visibility[groupIds[i]] == true)) { - for (j = 0; j < processedGroupData[groupIds[i]].length; j++) { - combinedData.push({ - x: processedGroupData[groupIds[i]][j].x, - y: processedGroupData[groupIds[i]][j].y, - groupId: groupIds[i] - }); - barPoints += 1; - } + var subgraph = parseSubgraph(graph); + if (subgraph) { + to = subgraph; + } + else { + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier or subgraph expected'); } + to = token; + addNode(graph, { + id: to + }); + getToken(); } - } - if (barPoints == 0) {return;} + // parse edge attributes + var attr = parseAttributeList(); - // sort by time and by group - combinedData.sort(function (a, b) { - if (a.x == b.x) { - return a.groupId - b.groupId; - } else { - return a.x - b.x; - } - }); + // create edge + var edge = createEdge(graph, from, to, type, attr); + addEdge(graph, edge); - // get intersections - Bargraph._getDataIntersections(intersections, combinedData); + from = to; + } + } - // plot barchart - for (i = 0; i < combinedData.length; i++) { - group = framework.groups[combinedData[i].groupId]; - var minWidth = 0.1 * group.options.barChart.width; + /** + * Parse a set with attributes, + * for example [label="1.000", shape=solid] + * @return {Object | null} attr + */ + function parseAttributeList() { + var attr = null; - key = combinedData[i].x; - var heightOffset = 0; - if (intersections[key] === undefined) { - if (i+1 < combinedData.length) {coreDistance = Math.abs(combinedData[i+1].x - key);} - if (i > 0) {coreDistance = Math.min(coreDistance,Math.abs(combinedData[i-1].x - key));} - drawData = Bargraph._getSafeDrawData(coreDistance, group, minWidth); - } - else { - var nextKey = i + (intersections[key].amount - intersections[key].resolved); - var prevKey = i - (intersections[key].resolved + 1); - if (nextKey < combinedData.length) {coreDistance = Math.abs(combinedData[nextKey].x - key);} - if (prevKey > 0) {coreDistance = Math.min(coreDistance,Math.abs(combinedData[prevKey].x - key));} - drawData = Bargraph._getSafeDrawData(coreDistance, group, minWidth); - intersections[key].resolved += 1; + while (token == '[') { + getToken(); + attr = {}; + while (token !== '' && token != ']') { + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Attribute name expected'); + } + var name = token; - if (group.options.barChart.handleOverlap == 'stack') { - heightOffset = intersections[key].accumulated; - intersections[key].accumulated += group.zeroPosition - combinedData[i].y; + getToken(); + if (token != '=') { + throw newSyntaxError('Equal sign = expected'); } - else if (group.options.barChart.handleOverlap == 'sideBySide') { - drawData.width = drawData.width / intersections[key].amount; - drawData.offset += (intersections[key].resolved) * drawData.width - (0.5*drawData.width * (intersections[key].amount+1)); - if (group.options.barChart.align == 'left') {drawData.offset -= 0.5*drawData.width;} - else if (group.options.barChart.align == 'right') {drawData.offset += 0.5*drawData.width;} + getToken(); + + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Attribute value expected'); + } + var value = token; + setValue(attr, name, value); // name can be a path + + getToken(); + if (token ==',') { + getToken(); } } - DOMutil.drawBar(combinedData[i].x + drawData.offset, combinedData[i].y - heightOffset, drawData.width, group.zeroPosition - combinedData[i].y, group.className + ' bar', framework.svgElements, framework.svg); - // draw points - if (group.options.drawPoints.enabled == true) { - DOMutil.drawPoint(combinedData[i].x + drawData.offset, combinedData[i].y, group, framework.svgElements, framework.svg); + + if (token != ']') { + throw newSyntaxError('Bracket ] expected'); } + getToken(); } - }; + return attr; + } /** - * Fill the intersections object with counters of how many datapoints share the same x coordinates - * @param intersections - * @param combinedData - * @private + * Create a syntax error with extra information on current token and index. + * @param {String} message + * @returns {SyntaxError} err */ - Bargraph._getDataIntersections = function (intersections, combinedData) { - // get intersections - var coreDistance; - for (var i = 0; i < combinedData.length; i++) { - if (i + 1 < combinedData.length) { - coreDistance = Math.abs(combinedData[i + 1].x - combinedData[i].x); - } - if (i > 0) { - coreDistance = Math.min(coreDistance, Math.abs(combinedData[i - 1].x - combinedData[i].x)); - } - if (coreDistance == 0) { - if (intersections[combinedData[i].x] === undefined) { - intersections[combinedData[i].x] = {amount: 0, resolved: 0, accumulated: 0}; - } - intersections[combinedData[i].x].amount += 1; - } - } - }; - + function newSyntaxError(message) { + return new SyntaxError(message + ', got "' + chop(token, 30) + '" (char ' + index + ')'); + } /** - * Get the width and offset for bargraphs based on the coredistance between datapoints - * - * @param coreDistance - * @param group - * @param minWidth - * @returns {{width: Number, offset: Number}} - * @private + * Chop off text after a maximum length + * @param {String} text + * @param {Number} maxLength + * @returns {String} */ - Bargraph._getSafeDrawData = function (coreDistance, group, minWidth) { - var width, offset; - if (coreDistance < group.options.barChart.width && coreDistance > 0) { - width = coreDistance < minWidth ? minWidth : coreDistance; + function chop (text, maxLength) { + return (text.length <= maxLength) ? text : (text.substr(0, 27) + '...'); + } - offset = 0; // recalculate offset with the new width; - if (group.options.barChart.align == 'left') { - offset -= 0.5 * coreDistance; - } - else if (group.options.barChart.align == 'right') { - offset += 0.5 * coreDistance; - } + /** + * 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 { - // default settings - width = group.options.barChart.width; - offset = 0; - if (group.options.barChart.align == 'left') { - offset -= 0.5 * group.options.barChart.width; + if (Array.isArray(array2)) { + array2.forEach(function (elem2) { + fn(array1, elem2); + }); } - else if (group.options.barChart.align == 'right') { - offset += 0.5 * group.options.barChart.width; + else { + fn(array1, array2); } } + } - return {width: width, offset: offset}; - }; + /** + * 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: {} + }; - Bargraph.getStackedBarYRange = function(barCombinedData, groupRanges, groupIds, groupLabel, orientation) { - if (barCombinedData.length > 0) { - // sort by time and by group - barCombinedData.sort(function (a, b) { - if (a.x == b.x) { - return a.groupId - b.groupId; - } else { - return a.x - b.x; + // 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); }); - var intersections = {}; - - Bargraph._getDataIntersections(intersections, barCombinedData); - groupRanges[groupLabel] = Bargraph._getStackedBarYRange(intersections, barCombinedData); - groupRanges[groupLabel].yAxisOrientation = orientation; - groupIds.push(groupLabel); } - } - Bargraph._getStackedBarYRange = function (intersections, combinedData) { - var key; - var yMin = combinedData[0].y; - var yMax = combinedData[0].y; - for (var i = 0; i < combinedData.length; i++) { - key = combinedData[i].x; - if (intersections[key] === undefined) { - yMin = yMin > combinedData[i].y ? combinedData[i].y : yMin; - yMax = yMax < combinedData[i].y ? combinedData[i].y : yMax; - } - else { - intersections[key].accumulated += combinedData[i].y; - } - } - for (var xpos in intersections) { - if (intersections.hasOwnProperty(xpos)) { - yMin = yMin > intersections[xpos].accumulated ? intersections[xpos].accumulated : yMin; - yMax = yMax < intersections[xpos].accumulated ? intersections[xpos].accumulated : yMax; + // 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; } - } - return {min: yMin, max: yMax}; - }; + dotData.edges.forEach(function (dotEdge) { + var from, to; + if (dotEdge.from instanceof Object) { + from = dotEdge.from.nodes; + } + else { + from = { + id: dotEdge.from + } + } - module.exports = Bargraph; + if (dotEdge.to instanceof Object) { + to = dotEdge.to.nodes; + } + else { + to = { + id: dotEdge.to + } + } -/***/ }, -/* 50 */ -/***/ function(module, exports, __webpack_require__) { + if (dotEdge.from instanceof Object && dotEdge.from.edges) { + dotEdge.from.edges.forEach(function (subEdge) { + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); + } - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(6); - var Component = __webpack_require__(23); + 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); + }); - /** - * Legend for Graph2d - */ - function Legend(body, options, side, linegraphOptions) { - this.body = body; - this.defaultOptions = { - enabled: true, - icons: true, - iconSize: 20, - iconSpacing: 6, - left: { - visible: true, - position: 'top-left' // top/bottom - left,center,right - }, - right: { - visible: true, - position: 'top-left' // top/bottom - left,center,right - } + if (dotEdge.to instanceof Object && dotEdge.to.edges) { + dotEdge.to.edges.forEach(function (subEdge) { + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); + } + }); } - this.side = side; - this.options = util.extend({},this.defaultOptions); - this.linegraphOptions = linegraphOptions; - this.svgElements = {}; - this.dom = {}; - this.groups = {}; - this.amountOfGroups = 0; - this._create(); + // copy the options + if (dotData.attr) { + graphData.options = dotData.attr; + } - this.setOptions(options); + return graphData; } - Legend.prototype = new Component(); - - Legend.prototype.clear = function() { - this.groups = {}; - this.amountOfGroups = 0; - } + // exports + exports.parseDOT = parseDOT; + exports.DOTToGraph = DOTToGraph; - Legend.prototype.addGroup = function(label, graphOptions) { - if (!this.groups.hasOwnProperty(label)) { - this.groups[label] = graphOptions; - } - this.amountOfGroups += 1; - }; +/***/ }, +/* 43 */ +/***/ function(module, exports, __webpack_require__) { - Legend.prototype.updateGroup = function(label, graphOptions) { - this.groups[label] = graphOptions; - }; + + function parseGephi(gephiJSON, options) { + var edges = []; + var nodes = []; + this.options = { + edges: { + inheritColor: true + }, + nodes: { + allowedToMove: false, + parseColor: false + } + }; - Legend.prototype.removeGroup = function(label) { - if (this.groups.hasOwnProperty(label)) { - delete this.groups[label]; - this.amountOfGroups -= 1; + if (options !== undefined) { + this.options.nodes['allowedToMove'] = options.allowedToMove | false; + this.options.nodes['parseColor'] = options.parseColor | false; + this.options.edges['inheritColor'] = options.inheritColor | true; } - }; - 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"; + 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); + } - this.dom.textArea = document.createElement('div'); - this.dom.textArea.className = 'legendText'; - this.dom.textArea.style.position = "relative"; - this.dom.textArea.style.top = "0px"; + for (var i = 0; i < gNodes.length; i++) { + var node = {}; + var gNode = gNodes[i]; + node['id'] = gNode.id; + node['attributes'] = gNode.attributes; + node['x'] = gNode.x; + node['y'] = gNode.y; + node['label'] = gNode.label; + if (this.options.nodes.parseColor == true) { + node['color'] = gNode.color; + } + else { + node['color'] = gNode.color !== undefined ? {background:gNode.color, border:gNode.color} : undefined; + } + node['radius'] = gNode.size; + node['allowedToMoveX'] = this.options.nodes.allowedToMove; + node['allowedToMoveY'] = this.options.nodes.allowedToMove; + nodes.push(node); + } - 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%'; + return {nodes:nodes, edges:edges}; + } - this.dom.frame.appendChild(this.svg); - this.dom.frame.appendChild(this.dom.textArea); - }; + 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); + + +/***/ }, +/* 45 */ +/***/ 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__(59); + } + else { + module.exports = function () { + throw Error('hammer.js is only available in a browser, not in node.js.'); + } + } + + +/***/ }, +/* 46 */ +/***/ function(module, exports, __webpack_require__) { + + var Emitter = __webpack_require__(56); + var Hammer = __webpack_require__(45); + var util = __webpack_require__(1); + var DataSet = __webpack_require__(3); + var DataView = __webpack_require__(4); + var Range = __webpack_require__(17); + var ItemSet = __webpack_require__(27); + var Activator = __webpack_require__(55); + var DateUtil = __webpack_require__(15); /** - * Hide the component from the DOM + * 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 */ - Legend.prototype.hide = function() { - // remove the frame containing the items - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } - }; + function Core () {} + + // turn Core into an event emitter + Emitter(Core.prototype); /** - * Show the component in the DOM (when not already visible). - * @return {Boolean} changed + * 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 */ - Legend.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); - } - }; + Core.prototype._create = function (container) { + this.dom = {}; - Legend.prototype.setOptions = function(options) { - var fields = ['enabled','orientation','icons','left','right']; - util.selectiveDeepExtend(fields, this.options, options); - }; + 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'); - Legend.prototype.redraw = function() { - var activeGroups = 0; - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { - activeGroups++; - } - } - } + this.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'; - 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 = ''; - } + 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); - 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.dom.centerContainer.appendChild(this.dom.center); + this.dom.leftContainer.appendChild(this.dom.left); + this.dom.rightContainer.appendChild(this.dom.right); - 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'; + 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.on('rangechange', this.redraw.bind(this)); + this.on('touch', this._onTouch.bind(this)); + this.on('pinch', this._onPinch.bind(this)); + this.on('dragstart', this._onDragStart.bind(this)); + this.on('drag', this._onDrag.bind(this)); + + var 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 { - this.dom.frame.style.width = this.options.iconSize + 15 + this.dom.textArea.offsetWidth + 10 + 'px' - this.drawLegendIcons(); + // redraw immediately + me.redraw(); } + }); - 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 + '
'; - } + // create event listeners for all interesting events, these events will be + // emitted via emitter + this.hammer = Hammer(this.dom.root, { + preventDefault: true + }); + this.listeners = {}; + + 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); } - } - this.dom.textArea.innerHTML = content; - this.dom.textArea.style.lineHeight = ((0.75 * this.options.iconSize) + this.options.iconSpacing) + 'px'; - } + }; + 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 + + this.redrawCount = 0; + + // attach the root panel to the provided container + if (!container) throw new Error('No container provided'); + container.appendChild(this.dom.root); }; - 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; + /** + * 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 + */ + 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); - this.svg.style.width = iconWidth + 5 + iconOffset + 'px'; + if ('hiddenDates' in this.options) { + DateUtil.convertHiddenOptions(this.body, this.options.hiddenDates); + } - 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; + if ('clickToUse' in options) { + if (options.clickToUse) { + if (!this.activator) { + this.activator = new Activator(this.dom.root); + } + } + else { + if (this.activator) { + this.activator.destroy(); + delete this.activator; } } } - DOMutil.cleanupElements(this.svgElements); + // enable/disable autoResize + this._initAutoResize(); + } + + // propagate options to all components + this.components.forEach(function (component) { + component.setOptions(options); + }); + + // TODO: remove deprecation error one day (deprecated since version 0.8.0) + if (options && options.order) { + throw new Error('Option order is deprecated. There is no replacement for this feature.'); } + + // redraw everything + this.redraw(); }; - module.exports = Legend; + /** + * Returns true when the Timeline is active. + * @returns {boolean} + */ + Core.prototype.isActive = function () { + return !this.activator || this.activator.active; + }; + /** + * Destroy the Core, clean up all DOM elements and event listeners. + */ + Core.prototype.destroy = function () { + // unbind datasets + this.clear(); -/***/ }, -/* 51 */ -/***/ function(module, exports, __webpack_require__) { + // remove all event listeners + this.off(); - 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); + // stop checking for changed size + this._stopAutoResize(); + + // remove from DOM + if (this.dom.root.parentNode) { + this.dom.root.parentNode.removeChild(this.dom.root); + } + this.dom = null; + + // remove Activator + if (this.activator) { + this.activator.destroy(); + delete this.activator; + } + + // cleanup hammer touch events + for (var event in this.listeners) { + if (this.listeners.hasOwnProperty(event)) { + delete this.listeners[event]; + } + } + this.listeners = null; + this.hammer = null; + + // give all components the opportunity to cleanup + this.components.forEach(function (component) { + component.destroy(); + }); + + this.body = null; + }; - // Load custom shapes into CanvasRenderingContext2D - __webpack_require__(71); /** - * @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 + * Set a custom time bar + * @param {Date} time */ - function Network (container, data, options) { - if (!(this instanceof Network)) { - throw new SyntaxError('Constructor must be called with the new operator'); + Core.prototype.setCustomTime = function (time) { + if (!this.customTime) { + throw new Error('Cannot get custom time: Custom time bar is not enabled'); } - this._initializeMixinLoaders(); + this.customTime.setCustomTime(time); + }; - // create variables and set default values - this.containerElement = container; + /** + * 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'); + } - // 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 + return this.customTime.getCustomTime(); + }; - this.initializing = true; - this.triggerFunctions = {add:null,edit:null,editEdge:null,connect:null,del:null}; + /** + * 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() || []; + }; - // 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, - thetaInverted: 1 / 0.5, // inverted to save time during calculation - gravitationalConstant: -2000, - centralGravity: 0.3, - springLength: 95, - springConstant: 0.04, - damping: 0.09 - }, - repulsion: { - centralGravity: 0.0, - springLength: 200, - springConstant: 0.05, - nodeDistance: 100, - damping: 0.09 - }, - hierarchicalRepulsion: { - enabled: false, - centralGravity: 0.0, - springLength: 100, - springConstant: 0.01, - nodeDistance: 150, - damping: 0.09 - }, - damping: null, - centralGravity: null, - springLength: null, - springConstant: null - }, - clustering: { // Per Node in Cluster = PNiC - enabled: false, // (Boolean) | global on/off switch for clustering. - initialMaxNodes: 100, // (# nodes) | if the initial amount of nodes is larger than this, we cluster until the total number is less than this threshold. - clusterThreshold:500, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than this. If it is, cluster until reduced to reduceToNodes - reduceToNodes:300, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than clusterThreshold. If it is, cluster until reduced to this - chainThreshold: 0.4, // (% of all drawn nodes)| maximum percentage of allowed chainnodes (long strings of connected nodes) within all nodes. (lower means less chains). - clusterEdgeThreshold: 20, // (px) | edge length threshold. if smaller, this node is clustered. - sectorThreshold: 100, // (# nodes in cluster) | cluster size threshold. If larger, expanding in own sector. - screenSizeThreshold: 0.2, // (% of canvas) | relative size threshold. If the width or height of a clusternode takes up this much of the screen, decluster node. - fontSizeMultiplier: 4.0, // (px PNiC) | how much the cluster font size grows per node in cluster (in px). - maxFontSize: 1000, - forceAmplification: 0.1, // (multiplier PNiC) | factor of increase fo the repulsion force of a cluster (per node in cluster). - distanceAmplification: 0.1, // (multiplier PNiC) | factor how much the repulsion distance of a cluster increases (per node in cluster). - edgeGrowth: 20, // (px PNiC) | amount of clusterSize connected to the edge is multiplied with this and added to edgeLength. - nodeScaling: {width: 1, // (px PNiC) | growth of the width per node in cluster. - height: 1, // (px PNiC) | growth of the height per node in cluster. - radius: 1}, // (px PNiC) | growth of the radius per node in cluster. - maxNodeSizeIncrements: 600, // (# increments) | max growth of the width per node in cluster. - activeAreaBoxSize: 80, // (px) | box area around the curser where clusters are popped open. - clusterLevelDifference: 2 - }, - navigation: { - enabled: false - }, - keyboard: { - enabled: false, - speed: {x: 10, y: 10, zoom: 0.02} - }, - dataManipulation: { - enabled: false, - initiallyVisible: false - }, - hierarchicalLayout: { - enabled:false, - levelSeparation: 150, - nodeSpacing: 100, - direction: "UD", // UD, DU, LR, RL - layout: "hubsize" // hubsize, directed - }, - freezeForStabilization: false, - smoothCurves: { - enabled: true, - dynamic: true, - type: "continuous", - roundness: 0.5 - }, - maxVelocity: 30, - minVelocity: 0.1, // px/s - stabilize: true, // stabilize before displaying the network - stabilizationIterations: 1000, // maximum number of iteration to stabilize - zoomExtentOnStabilize: true, - locale: 'en', - locales: locales, - tooltip: { - delay: 300, - fontColor: 'black', - fontSize: 14, // px - fontFace: 'verdana', - color: { - border: '#666', - background: '#FFFFC6' - } - }, - dragNetwork: true, - dragNodes: true, - zoomable: true, - hover: false, - hideEdgesOnDrag: false, - hideNodesOnDrag: false, - width : '100%', - height : '100%', - selectable: true - }; - this.constants = util.extend({}, this.defaultOptions); - this.pixelRatio = 1; - - - this.hoverObj = {nodes:{},edges:{}}; - this.controlNodesActive = false; - this.navigationHammers = {existing:[], _new: []}; - - // animation properties - this.animationSpeed = 1/this.renderRefreshRate; - this.animationEasingFunction = "easeInOutQuint"; - this.easingTime = 0; - this.sourceScale = 0; - this.targetScale = 0; - this.sourceTranslation = 0; - this.targetTranslation = 0; - this.lockedOnNodeId = null; - this.lockedOnNodeOffset = null; - this.touchTime = 0; - - // Node variables - var network = this; - this.groups = new Groups(); // object with groups - this.images = new Images(); // object with images - this.images.setOnloadCallback(function () { - network._redraw(); - }); - - // keyboard navigation variables - this.xIncrement = 0; - this.yIncrement = 0; - this.zoomIncrement = 0; - - // 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; - - // 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 - - // 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 - // datasets or dataviews - this.nodesData = null; // A DataSet or DataView - this.edgesData = null; // A DataSet or DataView - // create event listeners used to subscribe on the DataSets of the nodes and edges - this.nodesListeners = { - 'add': function (event, params) { - network._addNodes(params.items); - network.start(); - }, - 'update': function (event, params) { - network._updateNodes(params.items, params.data); - network.start(); - }, - 'remove': function (event, params) { - network._removeNodes(params.items); - network.start(); - } - }; - this.edgesListeners = { - 'add': function (event, params) { - network._addEdges(params.items); - network.start(); - }, - 'update': function (event, params) { - network._updateEdges(params.items); - network.start(); - }, - 'remove': function (event, params) { - network._removeEdges(params.items); - network.start(); - } - }; + /** + * 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); + } - // properties for the animation - this.moving = true; - this.timer = undefined; // Scheduling function. Is definded in this.start(); + // clear groups + if (!what || what.groups) { + this.setGroups(null); + } - // 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); + // clear options of timeline and of each of the components + if (!what || what.options) { + this.components.forEach(function (component) { + component.setOptions(component.defaultOptions); + }); - // 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); - } + this.setOptions(this.defaultOptions); // this will also do a redraw } + }; - // if clustering is disabled, the simulation will have started in the setData function - if (this.constants.clustering.enabled) { - this.startWithClustering(); + /** + * 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. + */ + 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; } - } - // Extend Network with an Emitter mixin - Emitter(Network.prototype); + var animate = (options && options.animate !== undefined) ? options.animate : true; + this.range.setRange(range.start, range.end, animate); + }; /** - * 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 + * Calculate the data range of the items and applies a 5% window around it. + * @returns {{start: Date | null, end: Date | null}} + * @protected */ - Network.prototype._getScriptPath = function() { - var scripts = document.getElementsByTagName( 'script' ); + Core.prototype._getDataRange = function() { + // apply the data range as range + var dataRange = this.getItemRange(); - // 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); + // 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 null; + return { + start: start, + end: end + } }; - /** - * Find the center position of the network - * @private + * Set the visible window. Both parameters are optional, you can change only + * start or only end. Syntax: + * + * TimeLine.setWindow(start, end) + * TimeLine.setWindow(range) + * + * Where start and end can be a Date, number, or string, and range is an + * object with properties start and end. + * + * @param {Date | Number | String | Object} [start] Start date of visible window + * @param {Date | Number | String} [end] End date of visible window + * @param {Object} [options] Available options: + * `animate: boolean | number` + * If true (default), the range is animated + * smoothly to the new window. + * If a number, the number is taken as duration + * for the animation. Default duration is 500 ms. */ - Network.prototype._getRange = function() { - var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (minX > (node.boundingBox.left)) {minX = node.boundingBox.left;} - if (maxX < (node.boundingBox.right)) {maxX = node.boundingBox.right;} - if (minY > (node.boundingBox.bottom)) {minY = node.boundingBox.bottom;} - if (maxY < (node.boundingBox.top)) {maxY = node.boundingBox.top;} - } + 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); } - if (minX == 1e9 && maxX == -1e9 && minY == 1e9 && maxY == -1e9) { - minY = 0, maxY = 0, minX = 0, maxX = 0; + else { + this.range.setRange(start, end, animate); } - 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 + * 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. */ - Network.prototype._findCenter = function(range) { - return {x: (0.5 * (range.maxX + range.minX)), - y: (0.5 * (range.maxY + range.minY))}; - }; + 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; + this.range.setRange(start, end, animate); + }; /** - * 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. + * Get the visible window + * @return {{start: Date, end: Date}} Visible range */ - Network.prototype.zoomExtent = function(animationOptions, initialZoom, disableStart) { - this._redraw(true); + Core.prototype.getWindow = function() { + var range = this.range.getRange(); + return { + start: new Date(range.start), + end: new Date(range.end) + }; + }; - if (initialZoom === undefined) { - initialZoom = false; - } - if (disableStart === undefined) { - disableStart = false; - } - if (animationOptions === undefined) { - animationOptions = false; - } + /** + * 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; - var range = this._getRange(); - var zoomLevel; + if (!dom) return; // when destroyed - 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. - } - } + DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); - // correct for larger canvasses. - var factor = Math.min(this.frame.canvas.clientWidth / 600, this.frame.canvas.clientHeight / 600); - zoomLevel *= factor; + // update class names + if (options.orientation == 'top') { + util.addClassName(dom.root, 'top'); + util.removeClassName(dom.root, 'bottom'); } else { - var xDistance = Math.abs(range.maxX - range.minX) * 1.1; - var yDistance = Math.abs(range.maxY - range.minY) * 1.1; + util.removeClassName(dom.root, 'top'); + util.addClassName(dom.root, 'bottom'); + } - var xZoomLevel = this.frame.canvas.clientWidth / xDistance; - var yZoomLevel = this.frame.canvas.clientHeight / yDistance; + // 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, ''); - zoomLevel = (xZoomLevel <= yZoomLevel) ? xZoomLevel : yZoomLevel; - } + // 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; - if (zoomLevel > 1.0) { - zoomLevel = 1.0; + // workaround for a bug in IE: the clientWidth of an element with + // a height:0px and overflow:hidden is not calculated and always has value 0 + if (dom.centerContainer.clientHeight === 0) { + props.border.left = props.border.top; + props.border.right = props.border.left; + } + if (dom.root.clientHeight === 0) { + borderRootWidth = borderRootHeight; } - - var center = this._findCenter(range); - if (disableStart == false) { - var options = {position: center, scale: zoomLevel, animation: animationOptions}; - this.moveTo(options); - this.moving = true; - this.start(); - } - else { - center.x *= zoomLevel; - center.y *= zoomLevel; - center.x -= 0.5 * this.frame.canvas.clientWidth; - center.y -= 0.5 * this.frame.canvas.clientHeight; - this._setScale(zoomLevel); - this._setTranslation(-center.x,-center.y); + // 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. + + // apply auto height + // TODO: only calculate autoHeight when needed (else we cause an extra reflow/repaint of the DOM) + var contentHeight = Math.max(props.left.height, props.center.height, props.right.height); + var autoHeight = props.top.height + contentHeight + props.bottom.height + + borderRootHeight + props.border.top + props.border.bottom; + dom.root.style.height = util.option.asSize(options.height, autoHeight + 'px'); + + // calculate heights of the content panels + props.root.height = dom.root.offsetHeight; + props.background.height = props.root.height - borderRootHeight; + var containerHeight = props.root.height - props.top.height - props.bottom.height - + borderRootHeight; + props.centerContainer.height = containerHeight; + props.leftContainer.height = containerHeight; + props.rightContainer.height = props.leftContainer.height; + + // calculate the widths of the panels + props.root.width = dom.root.offsetWidth; + props.background.width = props.root.width - borderRootWidth; + props.left.width = dom.leftContainer.clientWidth || -props.border.left; + props.leftContainer.width = props.left.width; + props.right.width = dom.rightContainer.clientWidth || -props.border.right; + props.rightContainer.width = props.right.width; + var centerWidth = props.root.width - props.left.width - props.right.width - borderRootWidth; + props.center.width = centerWidth; + props.centerContainer.width = centerWidth; + props.top.width = centerWidth; + props.bottom.width = centerWidth; + + // 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'; + + dom.background.style.width = props.background.width + 'px'; + dom.backgroundVertical.style.width = props.centerContainer.width + 'px'; + dom.backgroundHorizontal.style.width = props.background.width + 'px'; + dom.centerContainer.style.width = props.center.width + 'px'; + dom.top.style.width = props.top.width + 'px'; + dom.bottom.style.width = props.bottom.width + 'px'; + + // reposition the 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'; + + // 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(); + + // reposition the scrollable contents + var offset = this.props.scrollTop; + if (options.orientation == 'bottom') { + offset += Math.max(this.props.centerContainer.height - this.props.center.height - + this.props.border.top - this.props.border.bottom, 0); } - }; + dom.center.style.left = '0'; + dom.center.style.top = offset + 'px'; + dom.left.style.left = '0'; + dom.left.style.top = offset + 'px'; + dom.right.style.left = '0'; + dom.right.style.top = offset + 'px'; + // 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; - /** - * Update the this.nodeIndices with the most recent node index list - * @private - */ - Network.prototype._updateNodeIndexList = function() { - this._clearNodeIndexList(); - for (var idx in this.nodes) { - if (this.nodes.hasOwnProperty(idx)) { - this.nodeIndices.push(idx); + // 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; } + + this.emit("finishedRedraw"); }; + // TODO: deprecated since version 1.1.0, remove some day + Core.prototype.repaint = function () { + throw new Error('Function repaint is deprecated. Use redraw instead.'); + }; /** - * Set 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. + * 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. */ - Network.prototype.setData = function(data, disableStart) { - if (disableStart === undefined) { - disableStart = false; + Core.prototype.setCurrentTime = function(time) { + if (!this.currentTime) { + throw new Error('Option showCurrentTime must be true'); } - // we set initializing to true to ensure that the hierarchical layout is not performed until both nodes and edges are added. - this.initializing = true; - if (data && data.dot && (data.nodes || data.edges)) { - throw new SyntaxError('Data must contain either parameter "dot" or ' + - ' parameter pair "nodes" and "edges", but not both.'); - } + this.currentTime.setCurrentTime(time); + }; - // 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(); + /** + * Get the current time. + * Only applicable when option `showCurrentTime` is true. + * @return {Date} Returns the current time. + */ + Core.prototype.getCurrentTime = function() { + if (!this.currentTime) { + throw new Error('Option showCurrentTime must be true'); } - this.initializing = false; + + return this.currentTime.getCurrentTime(); }; /** - * Set options - * @param {Object} options + * 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 */ - Network.prototype.setOptions = function (options) { - if (options) { - var prop; - - var fields = ['nodes','edges','smoothCurves','hierarchicalLayout','clustering','navigation', - 'keyboard','dataManipulation','onAdd','onEdit','onEditEdge','onConnect','onDelete','clickToUse' - ]; - // extend all but the values in fields - util.selectiveNotDeepExtend(fields,this.constants, options); - util.selectiveNotDeepExtend(['color'],this.constants.nodes, options.nodes); - util.selectiveNotDeepExtend(['color','length'],this.constants.edges, options.edges); + // TODO: move this function to Range + Core.prototype._toTime = function(x) { + return DateUtil.toTime(this, x, this.props.center.width); + }; - if (options.physics) { - util.mergeOptions(this.constants.physics, options.physics,'barnesHut'); - util.mergeOptions(this.constants.physics, options.physics,'repulsion'); + /** + * 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 + */ + // 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); + }; - 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]; - } - } - } - } + /** + * 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 + */ + // TODO: move this function to Range + Core.prototype._toScreen = function(time) { + return DateUtil.toScreen(this, time, this.props.center.width); + }; - 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'); + /** + * 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; + }; - if (options.dataManipulation) { - this.editMode = this.constants.dataManipulation.initiallyVisible; - } + /** + * Initialize watching when option autoResize is true + * @private + */ + Core.prototype._initAutoResize = function () { + if (this.options.autoResize == true) { + this._startAutoResize(); + } + else { + this._stopAutoResize(); + } + }; - // TODO: work out these options and document them - if (options.edges) { - if (options.edges.color !== undefined) { - if (util.isString(options.edges.color)) { - this.constants.edges.color = {}; - this.constants.edges.color.color = options.edges.color; - this.constants.edges.color.highlight = options.edges.color; - this.constants.edges.color.hover = options.edges.color; - } - else { - if (options.edges.color.color !== undefined) {this.constants.edges.color.color = options.edges.color.color;} - if (options.edges.color.highlight !== undefined) {this.constants.edges.color.highlight = options.edges.color.highlight;} - if (options.edges.color.hover !== undefined) {this.constants.edges.color.hover = options.edges.color.hover;} - } - this.constants.edges.inheritColor = false; - } + /** + * 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; - 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;} - } - } - } + this._stopAutoResize(); - if (options.nodes) { - if (options.nodes.color) { - var newColorObj = util.parseColor(options.nodes.color); - this.constants.nodes.color.background = newColorObj.background; - this.constants.nodes.color.border = newColorObj.border; - this.constants.nodes.color.highlight.background = newColorObj.highlight.background; - this.constants.nodes.color.highlight.border = newColorObj.highlight.border; - this.constants.nodes.color.hover.background = newColorObj.hover.background; - this.constants.nodes.color.hover.border = newColorObj.hover.border; - } - } - if (options.groups) { - for (var groupname in options.groups) { - if (options.groups.hasOwnProperty(groupname)) { - var group = options.groups[groupname]; - this.groups.add(groupname, group); - } - } + this._onResize = function() { + if (me.options.autoResize != true) { + // stop watching when the option autoResize is changed to false + me._stopAutoResize(); + return; } - if (options.tooltip) { - for (prop in options.tooltip) { - if (options.tooltip.hasOwnProperty(prop)) { - this.constants.tooltip[prop] = options.tooltip[prop]; - } - } - if (options.tooltip.color) { - this.constants.tooltip.color = util.parseColor(options.tooltip.color); - } - } + 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; - if ('clickToUse' in options) { - if (options.clickToUse) { - if (!this.activator) { - this.activator = new Activator(this.frame); - this.activator.on('change', this._createKeyBinds.bind(this)); - } - } - else { - if (this.activator) { - this.activator.destroy(); - delete this.activator; - } + me.emit('change'); } } + }; - if (options.labels) { - throw new Error('Option "labels" is deprecated. Use options "locale" and "locales" instead.'); - } - } - - // (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(); - + // add event listener to window resize + util.addEventListener(window, 'resize', this._onResize); - // bind keys. If disabled, this will not do anything; - this._createKeyBinds(); - this.setSize(this.constants.width, this.constants.height); - this.moving = true; - this.start(); + this.watchTimer = setInterval(this._onResize, 1000); }; - - /** - * 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. + * Stop watching for a resize of the frame. * @private */ - Network.prototype._create = function () { - // remove all elements from the container element. - while (this.containerElement.hasChildNodes()) { - this.containerElement.removeChild(this.containerElement.firstChild); + Core.prototype._stopAutoResize = function () { + if (this.watchTimer) { + clearInterval(this.watchTimer); + this.watchTimer = undefined; } - this.frame = document.createElement('div'); - this.frame.className = 'vis network-frame'; - this.frame.style.position = 'relative'; - this.frame.style.overflow = 'hidden'; - - - ////////////////////////////////////////////////////////////////// - - this.frame.canvas = document.createElement("canvas"); + // remove event listener on window.resize + util.removeEventListener(window, 'resize', this._onResize); + this._onResize = null; + }; - this.frame.canvas.style.position = 'relative'; - this.frame.appendChild(this.frame.canvas); + /** + * Start moving the timeline vertically + * @param {Event} event + * @private + */ + Core.prototype._onTouch = function (event) { + this.touch.allowDragging = true; + }; + /** + * Start moving the timeline vertically + * @param {Event} event + * @private + */ + Core.prototype._onPinch = function (event) { + this.touch.allowDragging = false; + }; - 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 { + /** + * Start moving the timeline vertically + * @param {Event} event + * @private + */ + Core.prototype._onDragStart = function (event) { + this.touch.initialScrollTop = this.props.scrollTop; + }; - var ctx = this.frame.canvas.getContext("2d"); + /** + * Move the timeline vertically + * @param {Event} event + * @private + */ + Core.prototype._onDrag = function (event) { + // refuse to drag when we where pinching to prevent the timeline make a jump + // when releasing the fingers in opposite order from the touch screen + if (!this.touch.allowDragging) return; - this.pixelRatio = (window.devicePixelRatio || 1) / (ctx.webkitBackingStorePixelRatio || - ctx.mozBackingStorePixelRatio || - ctx.msBackingStorePixelRatio || - ctx.oBackingStorePixelRatio || - ctx.backingStorePixelRatio || 1); + var delta = event.gesture.deltaY; + var oldScrollTop = this._getScrollTop(); + var newScrollTop = this._setScrollTop(this.touch.initialScrollTop + delta); - this.frame.canvas.getContext("2d").setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); + if (newScrollTop != oldScrollTop) { + this.redraw(); // TODO: this causes two redraws when dragging, the other is triggered by rangechange already + this.emit("verticalDrag"); } + }; - ////////////////////////////////////////////////////////////////// - - - var me = this; - this.drag = {}; - this.pinch = {}; - this.hammer = Hammer(this.frame.canvas, { - prevent_default: true - }); - this.hammer.on('tap', me._onTap.bind(me) ); - this.hammer.on('doubletap', me._onDoubleTap.bind(me) ); - this.hammer.on('hold', me._onHold.bind(me) ); - this.hammer.on('pinch', me._onPinch.bind(me) ); - this.hammer.on('touch', me._onTouch.bind(me) ); - this.hammer.on('dragstart', me._onDragStart.bind(me) ); - this.hammer.on('drag', me._onDrag.bind(me) ); - this.hammer.on('dragend', me._onDragEnd.bind(me) ); - this.hammer.on('mousewheel',me._onMouseWheel.bind(me) ); - this.hammer.on('DOMMouseScroll',me._onMouseWheel.bind(me) ); // for FF - this.hammer.on('mousemove', me._onMouseMoveTitle.bind(me) ); - - this.hammerFrame = Hammer(this.frame, { - prevent_default: true - }); - this.hammerFrame.on('release', me._onRelease.bind(me) ); - - // add the frame to the container element - this.containerElement.appendChild(this.frame); - + /** + * Apply a scrollTop + * @param {Number} scrollTop + * @returns {Number} scrollTop Returns the applied scrollTop + * @private + */ + Core.prototype._setScrollTop = function (scrollTop) { + this.props.scrollTop = scrollTop; + this._updateScrollTop(); + return this.props.scrollTop; }; - /** - * Binding the keys for keyboard navigation. These functions are defined in the NavigationMixin + * Update the current scrollTop when the height of the containers has been changed + * @returns {Number} scrollTop Returns the applied scrollTop * @private */ - Network.prototype._createKeyBinds = function() { - var me = this; - if (this.keycharm !== undefined) { - this.keycharm.destroy(); + Core.prototype._updateScrollTop = function () { + // recalculate the scrollTopMin + var scrollTopMin = Math.min(this.props.centerContainer.height - this.props.center.height, 0); // is negative or zero + if (scrollTopMin != this.props.scrollTopMin) { + // in case of bottom orientation, change the scrollTop such that the contents + // do not move relative to the time axis at the bottom + if (this.options.orientation == 'bottom') { + this.props.scrollTop += (scrollTopMin - this.props.scrollTopMin); + } + this.props.scrollTopMin = scrollTopMin; } - this.keycharm = keycharm(); - - this.keycharm.reset(); - if (this.constants.keyboard.enabled && this.isActive()) { - this.keycharm.bind("up", this._moveUp.bind(me) , "keydown"); - this.keycharm.bind("up", this._yStopMoving.bind(me), "keyup"); - this.keycharm.bind("down", this._moveDown.bind(me) , "keydown"); - this.keycharm.bind("down", this._yStopMoving.bind(me), "keyup"); - this.keycharm.bind("left", this._moveLeft.bind(me) , "keydown"); - this.keycharm.bind("left", this._xStopMoving.bind(me), "keyup"); - this.keycharm.bind("right",this._moveRight.bind(me), "keydown"); - this.keycharm.bind("right",this._xStopMoving.bind(me), "keyup"); - this.keycharm.bind("=", this._zoomIn.bind(me), "keydown"); - this.keycharm.bind("=", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("num+", this._zoomIn.bind(me), "keydown"); - this.keycharm.bind("num+", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("num-", this._zoomOut.bind(me), "keydown"); - this.keycharm.bind("num-", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("-", this._zoomOut.bind(me), "keydown"); - this.keycharm.bind("-", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("[", this._zoomIn.bind(me), "keydown"); - this.keycharm.bind("[", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("]", this._zoomOut.bind(me), "keydown"); - this.keycharm.bind("]", this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("pageup",this._zoomIn.bind(me), "keydown"); - this.keycharm.bind("pageup",this._stopZoom.bind(me), "keyup"); - this.keycharm.bind("pagedown",this._zoomOut.bind(me),"keydown"); - this.keycharm.bind("pagedown",this._stopZoom.bind(me), "keyup"); - } + // 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; - if (this.constants.dataManipulation.enabled == true) { - this.keycharm.bind("esc",this._createManipulatorBar.bind(me)); - this.keycharm.bind("delete",this._deleteSelected.bind(me)); - } + return this.props.scrollTop; }; /** - * Cleans up all bindings of the network, removing it fully from the memory IF the variable is set to null after calling this function. - * var network = new vis.Network(..); - * network.destroy(); - * network = null; + * Get the current scrollTop + * @returns {number} scrollTop + * @private */ - Network.prototype.destroy = function() { - this.start = function () {}; - this.redraw = function () {}; - this.timer = false; - - // cleanup physicsConfiguration if it exists - this._cleanupPhysicsConfiguration(); - - // remove keybindings - this.keycharm.reset(); - - // clear hammer bindings - this.hammer.dispose(); + Core.prototype._getScrollTop = function () { + return this.props.scrollTop; + }; - // clear events - this.off(); + module.exports = Core; - // remove all elements from the container element. - while (this.frame.hasChildNodes()) { - this.frame.removeChild(this.frame.firstChild); - } - // remove all elements from the container element. - while (this.containerElement.hasChildNodes()) { - this.containerElement.removeChild(this.containerElement.firstChild); - } - } +/***/ }, +/* 47 */ +/***/ function(module, exports, __webpack_require__) { + var Hammer = __webpack_require__(45); /** - * Get the pointer location from a touch location - * @param {{pageX: Number, pageY: Number}} touch - * @return {{x: Number, y: Number}} pointer - * @private + * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent + * @param {Element} element + * @param {Event} event */ - Network.prototype._getPointer = function (touch) { - return { - x: touch.pageX - util.getAbsoluteLeft(this.frame.canvas), - y: touch.pageY - util.getAbsoluteTop(this.frame.canvas) - }; - }; + exports.fakeGesture = function(element, event) { + var eventType = null; - /** - * 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(); + // for hammer.js 1.0.5 + // var gesture = Hammer.event.collectEventData(this, eventType, event); - // to avoid double fireing of this event because we have two hammer instances. (on canvas and on frame) - this.touchTime = new Date().valueOf(); + // for hammer.js 1.0.6+ + var touches = Hammer.event.getTouchList(event, eventType); + var gesture = Hammer.event.collectEventData(this, eventType, touches, event); - this._handleTouch(this.drag.pointer); + // 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; } - }; - /** - * handle drag start event - * @private - */ - Network.prototype._onDragStart = function () { - this._handleDragStart(); + return gesture; }; - /** - * 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 - - drag.dragging = true; - drag.selection = []; - drag.translation = this._getTranslation(); - drag.nodeId = null; - this.draggingNodes = false; +/***/ }, +/* 48 */ +/***/ function(module, exports, __webpack_require__) { - 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); - } + // English + exports['en'] = { + current: 'current', + time: 'time' + }; + exports['en_EN'] = exports['en']; + exports['en_US'] = exports['en']; - this.emit("dragStart",{nodeIds:this.getSelection().nodes}); + // Dutch + exports['nl'] = { + custom: 'aangepaste', + time: 'tijd' + }; + exports['nl_NL'] = exports['nl']; + exports['nl_BE'] = exports['nl']; - // 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 - }; +/***/ }, +/* 49 */ +/***/ function(module, exports, __webpack_require__) { - object.xFixed = true; - object.yFixed = true; + // 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']; - drag.selection.push(s); - } - } - } + // 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']; + +/***/ }, +/* 50 */ +/***/ function(module, exports, __webpack_require__) { /** - * handle drag event - * @private + * Canvas shapes used by Network */ - Network.prototype._onDrag = function (event) { - this._handleOnDrag(event) - }; + 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); + }; - /** - * 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; - } + /** + * 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); + }; - // remove the focus on node if it is focussed on by the focusOnNode - this.releaseNode(); + /** + * 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 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; + 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 - // update position of all selected nodes - selection.forEach(function (s) { - var node = s.node; + 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 (!s.xFixed) { - node.x = me._XconvertDOMtoCanvas(me._XconvertCanvasToDOM(s.x) + deltaX); - } + /** + * 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(); - if (!s.yFixed) { - node.y = me._YconvertDOMtoCanvas(me._YconvertCanvasToDOM(s.y) + deltaY); - } - }); + 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(); + }; - // 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; + /** + * 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(); - this._setTranslation( - this.drag.translation.x + diffX, - this.drag.translation.y + diffY + 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) ); - this._redraw(); - // this.moving = true; - // this.start(); } - } - }; - /** - * handle drag start event - * @private - */ - Network.prototype._onDragEnd = function (event) { - this._handleDragEnd(event); - }; + 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); + }; - 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}); - } + /** + * 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 - } - /** - * 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); + 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); + }; - }; - /** - * handle doubletap event - * @private - */ - Network.prototype._onDoubleTap = function (event) { - var pointer = this._getPointer(event.gesture.center); - this._handleDoubleTap(pointer); - }; + /** + * 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 - /** - * 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); - }; + this.beginPath(); + this.moveTo(xe, ym); - /** - * handle the release of the screen - * - * @private - */ - Network.prototype._onRelease = function (event) { - var pointer = this._getPointer(event.gesture.center); - this._handleOnRelease(pointer); - }; + this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); + this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); - /** - * Handle pinch event - * @param event - * @private - */ - Network.prototype._onPinch = function (event) { - var pointer = this._getPointer(event.gesture.center); + this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); + this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); - this.drag.pinched = true; - if (!('scale' in this.pinch)) { - this.pinch.scale = 1; - } + this.lineTo(xe, ymb); - // TODO: enabled moving while pinching? - var scale = this.pinch.scale * event.gesture.scale; - this._zoom(scale, pointer) - }; + this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb); + this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb); - /** - * 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; - } + this.lineTo(x, ym); + }; - 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 scaleFrac = scale / scaleOld; - var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; - var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac; + /** + * 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); - this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), - "y" : this._YconvertDOMtoCanvas(pointer.y)}; + // 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); - this._setScale(scale); - this._setTranslation(tx, ty); - this.updateClustersDefault(); + // 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); - if (preScaleDragPointer != null) { - var postScaleDragPointer = this.canvasToDOM(preScaleDragPointer); - this.drag.pointer.x = postScaleDragPointer.x; - this.drag.pointer.y = postScaleDragPointer.y; - } + // 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._redraw(); + this.beginPath(); + this.moveTo(x, y); + this.lineTo(xl, yl); + this.lineTo(xi, yi); + this.lineTo(xr, yr); + this.closePath(); + }; - if (scaleOld < scale) { - this.emit("zoom", {direction:"+"}); - } - else { - this.emit("zoom", {direction:"-"}); + /** + * 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; } + }; - return scale; - } - }; + // TODO: add diamond shape + } +/***/ }, +/* 51 */ +/***/ function(module, exports, __webpack_require__) { + /** - * 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 + * Created by Alex on 11/11/2014. */ - Network.prototype._onMouseWheel = function(event) { - // retrieve delta - var delta = 0; - if (event.wheelDelta) { /* IE/Opera. */ - delta = event.wheelDelta/120; - } else if (event.detail) { /* Mozilla case. */ - // In Mozilla, sign of delta is different than in IE. - // Also, delta is multiple of 3. - delta = -event.detail/3; - } - - // If delta is nonzero, handle it. - // Basically, delta is now positive if wheel was scrolled up, - // and negative, if wheel was scrolled down. - if (delta) { - - // calculate the new scale - var scale = this._getScale(); - var zoom = delta / 10; - if (delta < 0) { - zoom = zoom / (1 - zoom); - } - scale *= (1 + zoom); + var DOMutil = __webpack_require__(2); + var Points = __webpack_require__(53); - // calculate the pointer location - var gesture = hammerUtil.fakeGesture(this, event); - var pointer = this._getPointer(gesture.center); + function Line(groupId, options) { + this.groupId = groupId; + this.options = options; + } - // apply the new scale - this._zoom(scale, pointer); + Line.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; } - - // Prevent default actions caused by mouse wheel. - event.preventDefault(); + return {min: yMin, max: yMax, yAxisOrientation: this.options.yAxisOrientation}; }; /** - * Mouse move handler for checking whether the title moves over a node with a title. - * @param {Event} event - * @private + * draw a line graph + * + * @param dataset + * @param group */ - Network.prototype._onMouseMoveTitle = function (event) { - var gesture = hammerUtil.fakeGesture(this, event); - var pointer = this._getPointer(gesture.center); - - // check if the previously selected node is still selected - if (this.popupObj) { - this._checkHidePopup(pointer); - } - - // 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); - } - - - /** - * 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]; + Line.prototype.draw = function (dataset, group, framework) { + if (dataset != null) { + if (dataset.length > 0) { + var path, d; + var svgHeight = Number(framework.svg.style.height.replace('px','')); + path = DOMutil.getSVGElement('path', framework.svgElements, framework.svg); + path.setAttributeNS(null, "class", group.className); + if(group.style !== undefined) { + path.setAttributeNS(null, "style", group.style); } - } - // adding hover highlights - var obj = this._getNodeAt(pointer); - if (obj == null) { - obj = this._getEdgeAt(pointer); - } - if (obj != null) { - this._hoverObject(obj); - } + // construct path from dataset + if (group.options.catmullRom.enabled == true) { + d = Line._catmullRom(dataset, group); + } + else { + d = Line._linear(dataset); + } - // 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]; + // append with points for fill and finalize the path + if (group.options.shaded.enabled == true) { + var fillPath = DOMutil.getSVGElement('path', framework.svgElements, framework.svg); + var dFill; + if (group.options.shaded.orientation == 'top') { + dFill = 'M' + dataset[0].x + ',' + 0 + ' ' + d + 'L' + dataset[dataset.length - 1].x + ',' + 0; + } + else { + dFill = 'M' + dataset[0].x + ',' + svgHeight + ' ' + d + 'L' + dataset[dataset.length - 1].x + ',' + svgHeight; + } + fillPath.setAttributeNS(null, "class", group.className + " fill"); + if(group.options.shaded.style !== undefined) { + fillPath.setAttributeNS(null, "style", group.options.shaded.style); } + fillPath.setAttributeNS(null, "d", dFill); + } + // copy properties to path for drawing. + path.setAttributeNS(null, 'd', 'M' + d); + + // draw points + if (group.options.drawPoints.enabled == true) { + Points.draw(dataset, group, framework); } } - this.redraw(); } }; + + /** - * 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 + * This uses an uniform parametrization of the CatmullRom algorithm: + * 'On the Parameterization of Catmull-Rom Curves' by Cem Yuksel et al. + * @param data + * @returns {string} * @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) - }; + Line._catmullRomUniform = function(data) { + // catmull rom + var p0, p1, p2, p3, bp1, bp2; + var d = Math.round(data[0].x) + ',' + Math.round(data[0].y) + ' '; + var normalization = 1/6; + var length = data.length; + for (var i = 0; i < length - 1; i++) { - var id; - var lastPopupNode = this.popupObj; + p0 = (i == 0) ? data[0] : data[i-1]; + p1 = data[i]; + p2 = data[i+1]; + p3 = (i + 2 < length) ? data[i+2] : p2; - 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; - } - } - } - } - 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; - } - } - } - } + // Catmull-Rom to Cubic Bezier conversion matrix + // 0 1 0 0 + // -1/6 1 1/6 0 + // 0 1/6 1 -1/6 + // 0 0 1 0 - 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); - } + // bp0 = { x: p1.x, y: p1.y }; + bp1 = { x: ((-p0.x + 6*p1.x + p2.x) *normalization), y: ((-p0.y + 6*p1.y + p2.y) *normalization)}; + bp2 = { x: (( p1.x + 6*p2.x - p3.x) *normalization), y: (( p1.y + 6*p2.y - p3.y) *normalization)}; + // bp0 = { x: p2.x, y: p2.y }; - // 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(); - } + d += 'C' + + bp1.x + ',' + + bp1.y + ' ' + + bp2.x + ',' + + bp2.y + ' ' + + p2.x + ',' + + p2.y + ' '; } - }; + return d; + }; /** - * 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 + * This uses either the chordal or centripetal parameterization of the catmull-rom algorithm. + * By default, the centripetal parameterization is used because this gives the nicest results. + * These parameterizations are relatively heavy because the distance between 4 points have to be calculated. + * + * One optimization can be used to reuse distances since this is a sliding window approach. + * @param data + * @param group + * @returns {string} * @private */ - Network.prototype._checkHidePopup = function (pointer) { - if (!this.popupObj || !this._getNodeAt(pointer) ) { - this.popupObj = undefined; - if (this.popup) { - this.popup.hide(); - } + Line._catmullRom = function(data, group) { + var alpha = group.options.catmullRom.alpha; + if (alpha == 0 || alpha === undefined) { + return this._catmullRomUniform(data); } - }; + else { + var p0, p1, p2, p3, bp1, bp2, d1,d2,d3, A, B, N, M; + var d3powA, d2powA, d3pow2A, d2pow2A, d1pow2A, d1powA; + var d = Math.round(data[0].x) + ',' + Math.round(data[0].y) + ' '; + var length = data.length; + for (var i = 0; i < length - 1; i++) { + p0 = (i == 0) ? data[0] : data[i-1]; + p1 = data[i]; + p2 = data[i+1]; + p3 = (i + 2 < length) ? data[i+2] : p2; - /** - * 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; + d1 = Math.sqrt(Math.pow(p0.x - p1.x,2) + Math.pow(p0.y - p1.y,2)); + d2 = Math.sqrt(Math.pow(p1.x - p2.x,2) + Math.pow(p1.y - p2.y,2)); + d3 = Math.sqrt(Math.pow(p2.x - p3.x,2) + Math.pow(p2.y - p3.y,2)); - this.frame.canvas.style.width = '100%'; - this.frame.canvas.style.height = '100%'; + // Catmull-Rom to Cubic Bezier conversion matrix - this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; - this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; + // A = 2d1^2a + 3d1^a * d2^a + d3^2a + // B = 2d3^2a + 3d3^a * d2^a + d2^2a - this.constants.width = width; - this.constants.height = height; + // [ 0 1 0 0 ] + // [ -d2^2a /N A/N d1^2a /N 0 ] + // [ 0 d3^2a /M B/M -d2^2a /M ] + // [ 0 0 1 0 ] - emitEvent = true; - } - else { - // this would adapt the width of the canvas to the width from 100% if and only if - // there is a change. + d3powA = Math.pow(d3, alpha); + d3pow2A = Math.pow(d3,2*alpha); + d2powA = Math.pow(d2, alpha); + d2pow2A = Math.pow(d2,2*alpha); + d1powA = Math.pow(d1, alpha); + d1pow2A = Math.pow(d1,2*alpha); - 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; + A = 2*d1pow2A + 3*d1powA * d2powA + d2pow2A; + B = 2*d3pow2A + 3*d3powA * d2powA + d2pow2A; + N = 3*d1powA * (d1powA + d2powA); + if (N > 0) {N = 1 / N;} + M = 3*d3powA * (d3powA + d2powA); + if (M > 0) {M = 1 / M;} + + bp1 = { x: ((-d2pow2A * p0.x + A*p1.x + d1pow2A * p2.x) * N), + y: ((-d2pow2A * p0.y + A*p1.y + d1pow2A * p2.y) * N)}; + + bp2 = { x: (( d3pow2A * p1.x + B*p2.x - d2pow2A * p3.x) * M), + y: (( d3pow2A * p1.y + B*p2.y - d2pow2A * p3.y) * M)}; + + if (bp1.x == 0 && bp1.y == 0) {bp1 = p1;} + if (bp2.x == 0 && bp2.y == 0) {bp2 = p2;} + d += 'C' + + bp1.x + ',' + + bp1.y + ' ' + + bp2.x + ',' + + bp2.y + ' ' + + p2.x + ',' + + p2.y + ' '; } - } - 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}); + return d; } }; /** - * Set a data set with nodes for the network - * @param {Array | DataSet | DataView} nodes The data containing the nodes. + * this generates the SVG path for a linear drawing between datapoints. + * @param data + * @returns {string} * @private */ - Network.prototype._setNodes = function(nodes) { - var oldNodesData = this.nodesData; - - 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'); + Line._linear = function(data) { + // linear + var d = ''; + for (var i = 0; i < data.length; i++) { + if (i == 0) { + d += data[i].x + ',' + data[i].y; + } + else { + d += ' ' + data[i].x + ',' + data[i].y; + } } + return d; + }; - if (oldNodesData) { - // unsubscribe from old dataset - util.forEach(this.nodesListeners, function (callback, event) { - oldNodesData.off(event, callback); - }); - } - - // remove drawn nodes - this.nodes = {}; + module.exports = Line; - if (this.nodesData) { - // subscribe to new dataset - var me = this; - util.forEach(this.nodesListeners, function (callback, event) { - me.nodesData.on(event, callback); - }); - // draw all new nodes - var ids = this.nodesData.getIds(); - this._addNodes(ids); - } - this._updateSelection(); - }; +/***/ }, +/* 52 */ +/***/ function(module, exports, __webpack_require__) { /** - * Add nodes - * @param {Number[] | String[]} ids - * @private + * Created by Alex on 11/11/2014. */ - 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);} + var DOMutil = __webpack_require__(2); + var Points = __webpack_require__(53); + + function Bargraph(groupId, options) { + this.groupId = groupId; + this.options = options; + } + + Bargraph.prototype.getYRange = function(groupData) { + if (this.options.barChart.handleOverlap != 'stack') { + 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; } - this.moving = true; + return {min: yMin, max: yMax, yAxisOrientation: this.options.yAxisOrientation}; } - - this._updateNodeIndexList(); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); + else { + var barCombinedData = []; + for (var j = 0; j < groupData.length; j++) { + barCombinedData.push({ + x: groupData[j].x, + y: groupData[j].y, + groupId: this.groupId + }); + } + return barCombinedData; } - this._updateCalculationNodes(); - this._reconnectEdges(); - this._updateValueRange(this.nodes); - this.updateLabels(); }; + + /** - * Update existing nodes, or create them when not yet existing - * @param {Number[] | String[]} ids - * @private + * draw a bar graph + * + * @param groupIds + * @param processedGroupData */ - 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); + Bargraph.draw = function (groupIds, processedGroupData, framework) { + var combinedData = []; + var intersections = {}; + var coreDistance; + var key, drawData; + var group; + var i,j; + var barPoints = 0; + + // combine all barchart data + for (i = 0; i < groupIds.length; i++) { + group = framework.groups[groupIds[i]]; + if (group.options.style == 'bar') { + if (group.visible == true && (framework.options.groups.visibility[groupIds[i]] === undefined || framework.options.groups.visibility[groupIds[i]] == true)) { + for (j = 0; j < processedGroupData[groupIds[i]].length; j++) { + combinedData.push({ + x: processedGroupData[groupIds[i]][j].x, + y: processedGroupData[groupIds[i]][j].y, + groupId: groupIds[i] + }); + barPoints += 1; + } + } + } + } + + if (barPoints == 0) {return;} + + // sort by time and by group + combinedData.sort(function (a, b) { + if (a.x == b.x) { + return a.groupId - b.groupId; + } else { + return a.x - b.x; + } + }); + + // get intersections + Bargraph._getDataIntersections(intersections, combinedData); + + // plot barchart + for (i = 0; i < combinedData.length; i++) { + group = framework.groups[combinedData[i].groupId]; + var minWidth = 0.1 * group.options.barChart.width; + + key = combinedData[i].x; + var heightOffset = 0; + if (intersections[key] === undefined) { + if (i+1 < combinedData.length) {coreDistance = Math.abs(combinedData[i+1].x - key);} + if (i > 0) {coreDistance = Math.min(coreDistance,Math.abs(combinedData[i-1].x - key));} + drawData = Bargraph._getSafeDrawData(coreDistance, group, minWidth); } else { - // create node - node = new Node(properties, this.images, this.groups, this.constants); - nodes[id] = node; + var nextKey = i + (intersections[key].amount - intersections[key].resolved); + var prevKey = i - (intersections[key].resolved + 1); + if (nextKey < combinedData.length) {coreDistance = Math.abs(combinedData[nextKey].x - key);} + if (prevKey > 0) {coreDistance = Math.min(coreDistance,Math.abs(combinedData[prevKey].x - key));} + drawData = Bargraph._getSafeDrawData(coreDistance, group, minWidth); + intersections[key].resolved += 1; + + if (group.options.barChart.handleOverlap == 'stack') { + heightOffset = intersections[key].accumulated; + intersections[key].accumulated += group.zeroPosition - combinedData[i].y; + } + else if (group.options.barChart.handleOverlap == 'sideBySide') { + drawData.width = drawData.width / intersections[key].amount; + drawData.offset += (intersections[key].resolved) * drawData.width - (0.5*drawData.width * (intersections[key].amount+1)); + if (group.options.barChart.align == 'left') {drawData.offset -= 0.5*drawData.width;} + else if (group.options.barChart.align == 'right') {drawData.offset += 0.5*drawData.width;} + } + } + DOMutil.drawBar(combinedData[i].x + drawData.offset, combinedData[i].y - heightOffset, drawData.width, group.zeroPosition - combinedData[i].y, group.className + ' bar', framework.svgElements, framework.svg); + // draw points + if (group.options.drawPoints.enabled == true) { + DOMutil.drawPoint(combinedData[i].x + drawData.offset, combinedData[i].y, group, framework.svgElements, framework.svg); } } - 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 + * Fill the intersections object with counters of how many datapoints share the same x coordinates + * @param intersections + * @param combinedData * @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(); + Bargraph._getDataIntersections = function (intersections, combinedData) { + // get intersections + var coreDistance; + for (var i = 0; i < combinedData.length; i++) { + if (i + 1 < combinedData.length) { + coreDistance = Math.abs(combinedData[i + 1].x - combinedData[i].x); + } + if (i > 0) { + coreDistance = Math.min(coreDistance, Math.abs(combinedData[i - 1].x - combinedData[i].x)); + } + if (coreDistance == 0) { + if (intersections[combinedData[i].x] === undefined) { + intersections[combinedData[i].x] = {amount: 0, resolved: 0, accumulated: 0}; + } + intersections[combinedData[i].x].amount += 1; + } } - this._updateCalculationNodes(); - this._reconnectEdges(); - this._updateSelection(); - this._updateValueRange(nodes); }; + /** - * Load edges by reading the data table - * @param {Array | DataSet | DataView} edges The data containing the edges. - * @private + * Get the width and offset for bargraphs based on the coredistance between datapoints + * + * @param coreDistance + * @param group + * @param minWidth + * @returns {{width: Number, offset: Number}} * @private */ - Network.prototype._setEdges = function(edges) { - var oldEdgesData = this.edgesData; + Bargraph._getSafeDrawData = function (coreDistance, group, minWidth) { + var width, offset; + if (coreDistance < group.options.barChart.width && coreDistance > 0) { + width = coreDistance < minWidth ? minWidth : coreDistance; - 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(); + offset = 0; // recalculate offset with the new width; + if (group.options.barChart.align == 'left') { + offset -= 0.5 * coreDistance; + } + else if (group.options.barChart.align == 'right') { + offset += 0.5 * coreDistance; + } } 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); - }); + // default settings + width = group.options.barChart.width; + offset = 0; + if (group.options.barChart.align == 'left') { + offset -= 0.5 * group.options.barChart.width; + } + else if (group.options.barChart.align == 'right') { + offset += 0.5 * group.options.barChart.width; + } } - // remove drawn edges - this.edges = {}; + return {width: width, offset: offset}; + }; - if (this.edgesData) { - // subscribe to new dataset - var me = this; - util.forEach(this.edgesListeners, function (callback, event) { - me.edgesData.on(event, callback); + Bargraph.getStackedBarYRange = function(barCombinedData, groupRanges, groupIds, groupLabel, orientation) { + if (barCombinedData.length > 0) { + // sort by time and by group + barCombinedData.sort(function (a, b) { + if (a.x == b.x) { + return a.groupId - b.groupId; + } else { + return a.x - b.x; + } }); + var intersections = {}; - // draw all new nodes - var ids = this.edgesData.getIds(); - this._addEdges(ids); + Bargraph._getDataIntersections(intersections, barCombinedData); + groupRanges[groupLabel] = Bargraph._getStackedBarYRange(intersections, barCombinedData); + groupRanges[groupLabel].yAxisOrientation = orientation; + groupIds.push(groupLabel); } + } - this._reconnectEdges(); + Bargraph._getStackedBarYRange = function (intersections, combinedData) { + var key; + var yMin = combinedData[0].y; + var yMax = combinedData[0].y; + for (var i = 0; i < combinedData.length; i++) { + key = combinedData[i].x; + if (intersections[key] === undefined) { + yMin = yMin > combinedData[i].y ? combinedData[i].y : yMin; + yMax = yMax < combinedData[i].y ? combinedData[i].y : yMax; + } + else { + intersections[key].accumulated += combinedData[i].y; + } + } + for (var xpos in intersections) { + if (intersections.hasOwnProperty(xpos)) { + yMin = yMin > intersections[xpos].accumulated ? intersections[xpos].accumulated : yMin; + yMax = yMax < intersections[xpos].accumulated ? intersections[xpos].accumulated : yMax; + } + } + + return {min: yMin, max: yMax}; }; + module.exports = Bargraph; + +/***/ }, +/* 53 */ +/***/ function(module, exports, __webpack_require__) { + /** - * Add edges - * @param {Number[] | String[]} ids - * @private + * Created by Alex on 11/11/2014. */ - Network.prototype._addEdges = function (ids) { - var edges = this.edges, - edgesData = this.edgesData; + var DOMutil = __webpack_require__(2); - for (var i = 0, len = ids.length; i < len; i++) { - var id = ids[i]; + function Points(groupId, options) { + this.groupId = groupId; + this.options = options; + } - var oldEdge = edges[id]; - if (oldEdge) { - oldEdge.disconnect(); - } - 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(); + 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); + } + /** - * Update existing edges, or create them when not yet existing - * @param {Number[] | String[]} ids - * @private + * draw the data points + * + * @param {Array} dataset + * @param {Object} JSONcontainer + * @param {Object} svg | SVG DOM element + * @param {GraphGroup} group + * @param {Number} [offset] */ - 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]; - - 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._createBezierNodes(); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); + 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); } - this.moving = true; - this._updateValueRange(edges); }; + + module.exports = Points; + +/***/ }, +/* 54 */ +/***/ function(module, exports, __webpack_require__) { + + 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); + /** - * Remove existing edges. Non existing ids will be ignored - * @param {Number[] | String[]} ids + * Load a mixin into the network object + * + * @param {Object} sourceVariable | this object has to contain functions. * @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]; + exports._loadMixin = function (sourceVariable) { + for (var mixinFunction in sourceVariable) { + if (sourceVariable.hasOwnProperty(mixinFunction)) { + this[mixinFunction] = sourceVariable[mixinFunction]; } } - - this.moving = true; - this._updateValueRange(edges); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } - this._updateCalculationNodes(); }; + /** - * Reconnect all edges + * removes a mixin from the network object. + * + * @param {Object} sourceVariable | this object has to contain functions. * @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 = []; - } - } - - for (id in edges) { - if (edges.hasOwnProperty(id)) { - var edge = edges[id]; - edge.from = null; - edge.to = null; - edge.connect(); + exports._clearMixin = function (sourceVariable) { + for (var mixinFunction in sourceVariable) { + if (sourceVariable.hasOwnProperty(mixinFunction)) { + this[mixinFunction] = undefined; } } }; + /** - * 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). + * Mixin the physics system and initialize the parameters required. + * * @private */ - Network.prototype._updateValueRange = function(obj) { - var id; - - // 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); - } - } + exports._loadPhysicsSystem = function () { + this._loadMixin(PhysicsMixin); + this._loadSelectedForceSolver(); + if (this.constants.configurePhysics == true) { + this._loadPhysicsConfiguration(); } - - // adjust the range of all objects - if (valueMin !== undefined && valueMax !== undefined) { - for (id in obj) { - if (obj.hasOwnProperty(id)) { - obj[id].setValueRange(valueMin, valueMax); - } - } + else { + this._cleanupPhysicsConfiguration(); } }; + /** - * Redraw the network with the current data - * chart will be resized too. + * Mixin the cluster system and initialize the parameters required. + * + * @private */ - Network.prototype.redraw = function() { - this.setSize(this.constants.width, this.constants.height); - this._redraw(); + exports._loadClusterSystem = function () { + this.clusterSession = 0; + this.hubThreshold = 5; + this._loadMixin(ClusterMixin); }; + /** - * Redraw the network with the current data - * @param hidden | used to get the first estimate of the node sizes. only the nodes are drawn after which they are quickly drawn over. + * Mixin the sector system and initialize the parameters required + * * @private */ - Network.prototype._redraw = function(hidden) { - var ctx = this.frame.canvas.getContext('2d'); - - ctx.setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); + 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 }; - // clear the canvas - var w = this.frame.canvas.width * this.pixelRatio; - var h = this.frame.canvas.height * this.pixelRatio; - ctx.clearRect(0, 0, w, h); + this.nodeIndices = this.sectors["active"]["default"]["nodeIndices"]; // the node indices list is used to speed up the computation of the repulsion fields - // set scaling and translation - ctx.save(); - ctx.translate(this.translation.x, this.translation.y); - ctx.scale(this.scale, this.scale); + this._loadMixin(SectorsMixin); + }; - this.canvasTopLeft = { - "x": this._XconvertDOMtoCanvas(0), - "y": this._YconvertDOMtoCanvas(0) - }; - this.canvasBottomRight = { - "x": this._XconvertDOMtoCanvas(this.frame.canvas.clientWidth * this.pixelRatio), - "y": this._YconvertDOMtoCanvas(this.frame.canvas.clientHeight * this.pixelRatio) - }; - if (!(hidden == true)) { - this._doInAllSectors("_drawAllSectorNodes", ctx); - if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideEdgesOnDrag == false) { - this._doInAllSectors("_drawEdges", ctx); + /** + * Mixin the selection system and initialize the parameters required + * + * @private + */ + exports._loadSelectionSystem = function () { + this.selectionObj = {nodes: {}, edges: {}}; + + this._loadMixin(SelectionMixin); + }; + + + /** + * Mixin the navigationUI (User Interface) system and initialize the parameters required + * + * @private + */ + 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.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideNodesOnDrag == false) { - this._doInAllSectors("_drawNodes",ctx,false); - } + if (this.editModeDiv === undefined) { + this.editModeDiv = document.createElement('div'); + this.editModeDiv.className = 'network-manipulation-editMode'; + if (this.editMode == true) { + this.editModeDiv.style.display = "none"; + } + else { + this.editModeDiv.style.display = "block"; + } + this.frame.appendChild(this.editModeDiv); + } - if (!(hidden == true)) { - if (this.controlNodesActive == true) { - this._doInAllSectors("_drawControlNodes", ctx); + 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); } - } - // this._doInSupportSector("_drawNodes",ctx,true); - // this._drawTree(ctx,"#F00F0F"); + // load the manipulation functions + this._loadMixin(ManipulationMixin); - // restore original scaling and translation - ctx.restore(); + // create the manipulator toolbar + this._createManipulatorBar(); + } + else { + if (this.manipulationDiv !== undefined) { + // removes all the bindings and overloads + this._createManipulatorBar(); - if (hidden == true) { - ctx.clearRect(0, 0, w, h); + // remove the manipulation divs + this.frame.removeChild(this.manipulationDiv); + this.frame.removeChild(this.editModeDiv); + this.frame.removeChild(this.closeDiv); + + this.manipulationDiv = undefined; + this.editModeDiv = undefined; + this.closeDiv = undefined; + // remove the mixin functions + this._clearMixin(ManipulationMixin); + } } }; + /** - * Set the translation of the network - * @param {Number} offsetX Horizontal offset - * @param {Number} offsetY Vertical offset + * Mixin the navigation (User Interface) system and initialize the parameters required + * * @private */ - Network.prototype._setTranslation = function(offsetX, offsetY) { - if (this.translation === undefined) { - this.translation = { - x: 0, - y: 0 - }; - } - - if (offsetX !== undefined) { - this.translation.x = offsetX; - } - if (offsetY !== undefined) { - this.translation.y = offsetY; + 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.emit('viewChanged'); }; + /** - * Get the translation of the network - * @return {Object} translation An object with parameters x and y, both a number + * Mixin the hierarchical layout system. + * * @private */ - Network.prototype._getTranslation = function() { - return { - x: this.translation.x, - y: this.translation.y - }; + exports._loadHierarchySystem = function () { + this._loadMixin(HierarchicalLayoutMixin); }; + +/***/ }, +/* 55 */ +/***/ function(module, exports, __webpack_require__) { + + var keycharm = __webpack_require__(57); + var Emitter = __webpack_require__(56); + var Hammer = __webpack_require__(45); + var util = __webpack_require__(1); + /** - * Scale the network - * @param {Number} scale Scaling factor 1.0 is unscaled - * @private + * Turn an element into an clickToUse element. + * When not active, the element has a transparent overlay. When the overlay is + * clicked, the mode is changed to active. + * When active, the element is displayed with a blue border around it, and + * the interactive contents of the element can be used. When clicked outside + * the element, the elements mode is changed to inactive. + * @param {Element} container + * @constructor */ - Network.prototype._setScale = function(scale) { - this.scale = scale; - }; + 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)); + + // block all touch events (except tap) + var me = this; + var events = [ + 'touch', 'pinch', + 'doubletap', 'hold', + 'dragstart', 'drag', 'dragend', + 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is needed for Firefox + ]; + events.forEach(function (event) { + me.hammer.on(event, function (event) { + event.stopPropagation(); + }); + }); + + // attach a tap event to the window, in order to deactivate when clicking outside the timeline + this.windowHammer = Hammer(window, {prevent_default: false}); + this.windowHammer.on('tap', function (event) { + // deactivate when clicked outside the container + if (!_hasParent(event.target, container)) { + me.deactivate(); + } + }); + + if (this.keycharm !== undefined) { + this.keycharm.destroy(); + } + this.keycharm = keycharm(); + + // keycharm listener only bounded when active) + this.escListener = this.deactivate.bind(this); + } + + // turn into an event emitter + Emitter(Activator.prototype); + + // The currently active activator + Activator.current = null; /** - * Get the current scale of the network - * @return {Number} scale Scaling factor 1.0 is unscaled - * @private + * Destroy the activator. Cleans up all created DOM and event listeners */ - Network.prototype._getScale = function() { - return this.scale; + Activator.prototype.destroy = function () { + this.deactivate(); + + // remove dom + this.dom.overlay.parentNode.removeChild(this.dom.overlay); + + // cleanup hammer instances + this.hammer = null; + this.windowHammer = null; + // FIXME: cleaning up hammer instances doesn't work (Timeline not removed from memory) }; /** - * 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 + * Activate the element + * Overlay is hidden, element is decorated with a blue shadow border */ - Network.prototype._XconvertDOMtoCanvas = function(x) { - return (x - this.translation.x) / this.scale; + 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); }; /** - * 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 + * Deactivate the element + * Overlay is displayed on top of the element */ - Network.prototype._XconvertCanvasToDOM = function(x) { - return x * this.scale + this.translation.x; + 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.emit('change'); + this.emit('deactivate'); }; /** - * 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} + * Handle a tap event: activate the container + * @param event * @private */ - Network.prototype._YconvertDOMtoCanvas = function(y) { - return (y - this.translation.y) / this.scale; + Activator.prototype._onTapOverlay = function (event) { + // activate the container + this.activate(); + event.stopPropagation(); }; /** - * 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} + * 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 */ - Network.prototype._YconvertCanvasToDOM = function(y) { - return y * this.scale + this.translation.y ; - }; + function _hasParent(element, parent) { + while (element) { + if (element === parent) { + return true + } + element = element.parentNode; + } + return false; + } + module.exports = Activator; + + +/***/ }, +/* 56 */ +/***/ function(module, exports, __webpack_require__) { + /** - * - * @param {object} pos = {x: number, y: number} - * @returns {{x: number, y: number}} - * @constructor + * Expose `Emitter`. */ - Network.prototype.canvasToDOM = function (pos) { - return {x: this._XconvertCanvasToDOM(pos.x), y: this._YconvertCanvasToDOM(pos.y)}; - }; + + module.exports = Emitter; /** + * Initialize a new `Emitter`. * - * @param {object} pos = {x: number, y: number} - * @returns {{x: number, y: number}} - * @constructor + * @api public */ - Network.prototype.DOMtoCanvas = function (pos) { - return {x: this._XconvertDOMtoCanvas(pos.x), y: this._YconvertDOMtoCanvas(pos.y)}; + + function Emitter(obj) { + if (obj) return mixin(obj); }; /** - * Redraw all nodes - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @param {Boolean} [alwaysShow] - * @private + * Mixin the emitter properties. + * + * @param {Object} obj + * @return {Object} + * @api 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); - } - } - } - } - // draw the selected nodes on top - for (var s = 0, sMax = selected.length; s < sMax; s++) { - if (nodes[selected[s]].inArea() || alwaysShow) { - nodes[selected[s]].draw(ctx); - } + function mixin(obj) { + for (var key in Emitter.prototype) { + obj[key] = Emitter.prototype[key]; } - }; + return obj; + } /** - * Redraw all edges - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @private + * Listen on the given `event` with `fn`. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public */ - 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); - } - } - } + + Emitter.prototype.on = + Emitter.prototype.addEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; + (this._callbacks[event] = this._callbacks[event] || []) + .push(fn); + return this; }; /** - * Redraw all edges - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @private + * Adds an `event` listener that will be invoked a single + * time then automatically removed. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public */ - Network.prototype._drawControlNodes = function(ctx) { - var edges = this.edges; - for (var id in edges) { - if (edges.hasOwnProperty(id)) { - edges[id]._drawControlNodes(ctx); - } + + 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; }; /** - * Find a stable position for all nodes - * @private + * Remove the given callback for `event` or all + * registered callbacks. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public */ - Network.prototype._stabilize = function() { - if (this.constants.freezeForStabilization == true) { - this._freezeDefinedNodes(); - } - // find stable position - var count = 0; - while (this.moving && count < this.constants.stabilizationIterations) { - this._physicsTick(); - count++; + Emitter.prototype.off = + Emitter.prototype.removeListener = + Emitter.prototype.removeAllListeners = + Emitter.prototype.removeEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; + + // all + if (0 == arguments.length) { + this._callbacks = {}; + return this; } - if (this.constants.zoomExtentOnStabilize == true) { - this.zoomExtent(undefined, false, true); + // specific event + var callbacks = this._callbacks[event]; + if (!callbacks) return this; + + // remove all handlers + if (1 == arguments.length) { + delete this._callbacks[event]; + return this; } - if (this.constants.freezeForStabilization == true) { - this._restoreFrozenNodes(); + // 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; }; /** - * 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. + * Emit `event` with the given args. * - * @private + * @param {String} event + * @param {Mixed} ... + * @return {Emitter} */ - 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; - } + + 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); } } + + return this; }; /** - * Unfreezes the nodes that have been frozen by _freezeDefinedNodes. + * Return array of callbacks for `event`. * - * @private + * @param {String} event + * @return {Array} + * @api public */ - 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; - } - } - } - }; + Emitter.prototype.listeners = function(event){ + this._callbacks = this._callbacks || {}; + return this._callbacks[event] || []; + }; /** - * 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 + * Check if this emitter has `event` handlers. + * + * @param {String} event + * @return {Boolean} + * @api public */ - 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; + + Emitter.prototype.hasListeners = function(event){ + return !! this.listeners(event).length; }; +/***/ }, +/* 57 */ +/***/ function(module, exports, __webpack_require__) { + + var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;"use strict"; /** - * /** - * Perform one discrete step for all nodes - * - * @private + * Created by Alex on 11/6/2014. */ - 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; - } - } - } - else { - for (nodeId in nodes) { - if (nodes.hasOwnProperty(nodeId)) { - nodes[nodeId].discreteStep(interval); - nodesPresent = true; - } - } + // 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 () { - 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 keycharm(options) { + var preventDefault = options && options.preventDefault || 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; + var container = options && options.container || window; - 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;} + var _exportFunctions = {}; + var _bound = {keydown:{}, keyup:{}}; + var _keys = {}; + var i; - // determine if the network has stabilzied - this.moving = mainMovingStatus || supportMovingStatus; + // 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};} - this.stabilizationIterations++; - } - } - }; + // 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}; - /** - * 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(); - // this schedules a new animation step - this.start(); + var down = function(event) {handleEvent(event,'keydown');}; + var up = function(event) {handleEvent(event,'keyup');}; - // 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; - }; + // 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 (typeof window !== 'undefined') { - window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || - window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; - } + if (preventDefault == true) { + event.preventDefault(); + } + } + }; - /** - * 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; - } + // 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}); + }; - if (!this.timer) { - var ua = navigator.userAgent.toLowerCase(); - var requiresTimeout = false; - if (ua.indexOf('msie 9.0') != -1) { // IE 9 - requiresTimeout = true; + // bind all keys to a call back (demo purposes) + _exportFunctions.bindAll = function(callback, type) { + if (type === undefined) { + type = 'keydown'; } - else if (ua.indexOf('safari') != -1) { // safari - if (ua.indexOf('chrome') <= -1) { - requiresTimeout = true; + for (var key in _keys) { + if (_keys.hasOwnProperty(key)) { + _exportFunctions.bind(key,callback,type); } } + }; - if (requiresTimeout == true) { - this.timer = window.setTimeout(this._animationStep.bind(this), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function + // 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; + } + } } - else{ - this.timer = window.requestAnimationFrame(this._animationStep.bind(this), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function + 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'; } - } - } - 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 (_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:{}}; + }; - /** - * 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 + // unbind all listeners and reset all variables. + _exportFunctions.destroy = function() { + _bound = {keydown:{}, keyup:{}}; + container.removeEventListener('keydown', down, true); + container.removeEventListener('keyup', up, true); }; - this._zoom(this.scale*(1 + this.zoomIncrement), center); - } - }; + // create listeners. + container.addEventListener('keydown',down,true); + container.addEventListener('keyup',up,true); - /** - * Freeze the _animationStep - */ - Network.prototype.toggleFreeze = function() { - if (this.freezeSimulation == false) { - this.freezeSimulation = true; - } - else { - this.freezeSimulation = false; - this.start(); + // return the public functions. + return _exportFunctions; } - }; - - /** - * 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]; - } - } - } - } - 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; - } - } - } + return keycharm; + })); - this._updateCalculationNodes(); - if (!disableStart) { - this.moving = true; - this.start(); - } - }; - /** - * 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(); - } - } - } - } - }; +/***/ }, +/* 58 */ +/***/ function(module, exports, __webpack_require__) { - /** - * 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]; - } - } - }; + 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 - /** - * 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(); - }; - - /** - * 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); - }; - - /** - * Return the positions of the nodes. - */ - Network.prototype.getPositions = function(ids) { - var dataArray = {}; - if (ids !== undefined) { - if (Array.isArray(ids) == true) { - for (var i = 0; i < ids.length; i++) { - if (this.nodes[ids[i]] !== undefined) { - var node = this.nodes[ids[i]]; - dataArray[ids[i]] = {x: Math.round(node.x), y: Math.round(node.y)}; - } - } - } - else { - if (this.nodes[ids] !== undefined) { - var node = this.nodes[ids]; - dataArray[ids] = {x: Math.round(node.x), y: Math.round(node.y)}; - } - } - } - else { - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - var node = this.nodes[nodeId]; - dataArray[nodeId] = {x: Math.round(node.x), y: Math.round(node.y)}; - } - } - } - return dataArray; - }; + (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, + YEAR = 0, + MONTH = 1, + DATE = 2, + HOUR = 3, + MINUTE = 4, + SECOND = 5, + MILLISECOND = 6, - /** - * 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; + // internal storage for locale config files + locales = {}, - this.moveTo(options) - } - else { - console.log("This nodeId cannot be found."); - } - }; + // extra moment internal properties (plugins register props here) + momentProperties = [], - /** - * - * @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 + // check for nodeJS + hasModule = (typeof module !== 'undefined' && module && module.exports), - this.animateView(options); - }; + // ASP.NET json date format regex + aspNetJsonRegex = /^\/?Date\((\-?\d+)/i, + aspNetTimeSpanJsonRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/, - /** - * - * @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; - } + // 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)$/, - // release if something focussed on the node - this.releaseNode(); - if (options.locked == true) { - this.lockedOnNodeId = options.lockedOnNode; - this.lockedOnNodeOffset = options.offset; - } + // 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, - // 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. - } + // 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.sourceScale = this._getScale(); - this.sourceTranslation = this._getTranslation(); - this.targetScale = options.scale; + //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 - // 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 - }; + // 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$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/, - // if the time is set to 0, don't do an animation - if (options.animation.duration == 0) { - if (this.lockedOnNodeId != null) { - this._classicRedraw = this._redraw; - this._redraw = this._lockedRedraw; - } - else { - this._setScale(this.targetScale); - this._setTranslation(this.targetTranslation.x, this.targetTranslation.y); - this._redraw(); - } - } - else { - this.animationSpeed = 1 / (this.renderRefreshRate * options.animation.duration * 0.001) || 1 / this.renderRefreshRate; - this.animationEasingFunction = options.animation.easingFunction; - this._classicRedraw = this._redraw; - this._redraw = this._transitionRedraw; - this._redraw(); - this.moving = true; - this.start(); - } - }; + isoFormat = 'YYYY-MM-DDTHH:mm:ssZ', - /** - * used to animate smoothly by hijacking the redraw function. - * @private - */ - Network.prototype._lockedRedraw = function () { - var nodePosition = {x: this.nodes[this.lockedOnNodeId].x, y: this.nodes[this.lockedOnNodeId].y}; - var viewCenter = this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); - var distanceFromCenter = { // offset from view, distance view has to change by these x and y to center the node - x: viewCenter.x - nodePosition.x, - y: viewCenter.y - nodePosition.y - }; - var sourceTranslation = this._getTranslation(); - var targetTranslation = { - x: sourceTranslation.x + distanceFromCenter.x * this.scale + this.lockedOnNodeOffset.x, - y: sourceTranslation.y + distanceFromCenter.y * this.scale + this.lockedOnNodeOffset.y - }; + 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._setTranslation(targetTranslation.x,targetTranslation.y); - this._classicRedraw(); - } + // 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/] + ], - Network.prototype.releaseNode = function () { - if (this.lockedOnNodeId != null) { - this._redraw = this._classicRedraw; - this.lockedOnNodeId = null; - this.lockedOnNodeOffset = null; - } - } + // timezone chunker '+10:00' > ['10', '00'] or '-1530' > ['-15', '30'] + parseTimezoneChunker = /([\+\-]|\d\d)/gi, - /** - * - * @param easingTime - * @private - */ - Network.prototype._transitionRedraw = function (easingTime) { - this.easingTime = easingTime || this.easingTime + this.animationSpeed; - this.easingTime += this.animationSpeed; + // getter and setter names + proxyGettersAndSetters = 'Date|Hours|Minutes|Seconds|Milliseconds'.split('|'), + unitMillisecondFactors = { + 'Milliseconds' : 1, + 'Seconds' : 1e3, + 'Minutes' : 6e4, + 'Hours' : 36e5, + 'Days' : 864e5, + 'Months' : 2592e6, + 'Years' : 31536e6 + }, - var progress = util.easingFunctions[this.animationEasingFunction](this.easingTime); + 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' + }, - 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 - ); + camelFunctions = { + dayofyear : 'dayOfYear', + isoweekday : 'isoWeekday', + isoweek : 'isoWeek', + weekyear : 'weekYear', + isoweekyear : 'isoWeekYear' + }, - this._classicRedraw(); - this.moving = true; + // format function strings + formatFunctions = {}, - // 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"); - } - }; + // 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 + }, - Network.prototype._classicRedraw = function () { - // placeholder function to be overloaded by animations; - }; + // tokens to ordinalize and pad + ordinalizeTokens = 'DDD w W M D d'.split(' '), + paddedTokens = 'M D H h m s w W'.split(' '), - /** - * Returns true when the Network is active. - * @returns {boolean} - */ - Network.prototype.isActive = function () { - return !this.activator || this.activator.active; - }; + 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(); + } + }, + deprecations = {}, - /** - * Sets the scale - * @returns {Number} - */ - Network.prototype.setScale = function () { - return this._setScale(); - }; + lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin']; + // 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'); + } + } - /** - * Returns the scale - * @returns {Number} - */ - Network.prototype.getScale = function () { - return this._getScale(); - }; + 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 + }; + } - /** - * 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}); - }; + function printMsg(msg) { + if (moment.suppressDeprecationWarnings === false && + typeof console !== 'undefined' && console.warn) { + console.warn('Deprecation warning: ' + msg); + } + } - module.exports = Network; + function deprecate(msg, fn) { + var firstTime = true; + return extend(function () { + if (firstTime) { + printMsg(msg); + firstTime = false; + } + return fn.apply(this, arguments); + }, fn); + } + function deprecateSimple(name, msg) { + if (!deprecations[name]) { + printMsg(msg); + deprecations[name] = true; + } + } -/***/ }, -/* 52 */ -/***/ function(module, exports, __webpack_require__) { + 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); + }; + } - /** - * 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(); - } + 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); - // token types enumeration - var TOKENTYPE = { - NULL : 0, - DELIMITER : 1, - IDENTIFIER: 2, - UNKNOWN : 3 - }; - // map with all delimiters - var DELIMITERS = { - '{': true, - '}': true, - '[': true, - ']': true, - ';': true, - '=': true, - ',': true, + /************************************ + Constructors + ************************************/ - '->': true, - '--': true - }; + function 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 + // Moment prototype object + function Moment(config, skipOverflow) { + if (skipOverflow !== false) { + checkOverflow(config); + } + copyConfig(this, config); + this._d = new Date(+config._d); + } - /** - * 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); - } + // 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; - /** - * 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); - } + // 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; - /** - * Preview the next character from the dot file. - * @return {String} cNext - */ - function nextPreview() { - return dot.charAt(index + 1); - } + this._data = {}; - /** - * 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); - } + this._locale = moment.localeData(); - /** - * 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._bubble(); + } - if (b) { - for (var name in b) { - if (b.hasOwnProperty(name)) { - a[name] = b[name]; - } + /************************************ + Helpers + ************************************/ + + + function extend(a, b) { + for (var i in b) { + if (hasOwnProp(b, i)) { + a[i] = b[i]; + } + } + + if (hasOwnProp(b, 'toString')) { + a.toString = b.toString; + } + + if (hasOwnProp(b, 'valueOf')) { + a.valueOf = b.valueOf; + } + + return a; } - } - return a; - } - /** - * 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]; + function copyConfig(to, from) { + var i, prop, val; + + 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; } - else { - // this is the end point - o[key] = value; + + function absRound(number) { + if (number < 0) { + return Math.ceil(number); + } else { + return Math.floor(number); + } } - } - } - /** - * 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; + // 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; - // 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; - } + while (output.length < targetLength) { + output = '0' + output; + } + return (sign ? (forceSign ? '+' : '') : '-') + output; + } - // 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; - } + function positiveMomentsDifference(base, other) { + var res = {milliseconds: 0, months: 0}; + + res.months = other.month() - base.month() + + (other.year() - base.year()) * 12; + if (base.clone().add(res.months, 'M').isAfter(other)) { + --res.months; + } + + res.milliseconds = +other - +(base.clone().add(res.months, 'M')); + + return res; } - } - if (!current) { - // this is a new node - current = { - id: node.id - }; - if (graph.node) { - // clone default attributes - current.attr = merge(current.attr, graph.node); + 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; } - } - // add node to this (sub)graph and all its parent graphs - for (i = graphs.length - 1; i >= 0; i--) { - var g = graphs[i]; + // 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; + } - if (!g.nodes) { - g.nodes = []; + val = typeof val === 'string' ? +val : val; + dur = moment.duration(val, period); + addOrSubtractDurationFromMoment(this, dur, direction); + return this; + }; } - if (g.nodes.indexOf(current) == -1) { - g.nodes.push(current); + + function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) { + var milliseconds = duration._milliseconds, + days = duration._days, + months = duration._months; + updateOffset = updateOffset == null ? true : updateOffset; + + if (milliseconds) { + mom._d.setTime(+mom._d + milliseconds * isAdding); + } + if (days) { + rawSetter(mom, 'Date', rawGetter(mom, 'Date') + days * isAdding); + } + if (months) { + rawMonthSetter(mom, rawGetter(mom, 'Month') + months * isAdding); + } + if (updateOffset) { + moment.updateOffset(mom, days || months); + } } - } - // merge attributes - if (node.attr) { - current.attr = merge(current.attr, node.attr); - } - } + // check if is an array + function isArray(input) { + return Object.prototype.toString.call(input) === '[object Array]'; + } - /** - * 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 - } - } + function isDate(input) { + return Object.prototype.toString.call(input) === '[object Date]' || + input instanceof Date; + } - /** - * 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 - }; + // 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; + } - if (graph.edge) { - edge.attr = merge({}, graph.edge); // clone default attributes - } - edge.attr = merge(edge.attr || {}, attr); // merge attributes + function normalizeUnits(units) { + if (units) { + var lowered = units.toLowerCase().replace(/(.)s$/, '$1'); + units = unitAliases[units] || camelFunctions[lowered] || lowered; + } + return units; + } - return edge; - } + 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; + } + + 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; + } + + 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; + } + }; + } + + function toInt(argumentForCoercion) { + var coercedNumber = +argumentForCoercion, + value = 0; + + if (coercedNumber !== 0 && isFinite(coercedNumber)) { + if (coercedNumber >= 0) { + value = Math.floor(coercedNumber); + } else { + value = Math.ceil(coercedNumber); + } + } + + return value; + } + + function daysInMonth(year, month) { + return new Date(Date.UTC(year, month + 1, 0)).getUTCDate(); + } + + function weeksInYear(year, dow, doy) { + return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week; + } + + function daysInYear(year) { + return isLeapYear(year) ? 366 : 365; + } + + function isLeapYear(year) { + return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; + } + + function checkOverflow(m) { + var overflow; + if (m._a && m._pf.overflow === -2) { + overflow = + m._a[MONTH] < 0 || m._a[MONTH] > 11 ? MONTH : + m._a[DATE] < 1 || m._a[DATE] > daysInMonth(m._a[YEAR], m._a[MONTH]) ? DATE : + m._a[HOUR] < 0 || m._a[HOUR] > 24 || + (m._a[HOUR] === 24 && (m._a[MINUTE] !== 0 || + m._a[SECOND] !== 0 || + m._a[MILLISECOND] !== 0)) ? HOUR : + m._a[MINUTE] < 0 || m._a[MINUTE] > 59 ? MINUTE : + m._a[SECOND] < 0 || m._a[SECOND] > 59 ? SECOND : + m._a[MILLISECOND] < 0 || m._a[MILLISECOND] > 999 ? MILLISECOND : + -1; + + if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { + overflow = DATE; + } + + m._pf.overflow = overflow; + } + } + + function isValid(m) { + if (m._isValid == null) { + m._isValid = !isNaN(m._d.getTime()) && + m._pf.overflow < 0 && + !m._pf.empty && + !m._pf.invalidMonth && + !m._pf.nullInput && + !m._pf.invalidFormat && + !m._pf.userInvalidated; + + if (m._strict) { + m._isValid = m._isValid && + m._pf.charsLeftOver === 0 && + m._pf.unusedTokens.length === 0 && + m._pf.bigHour === undefined; + } + } + return m._isValid; + } + + function normalizeLocale(key) { + return key ? key.toLowerCase().replace('_', '-') : key; + } + + // pick the locale from the array + // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each + // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root + function chooseLocale(names) { + var i = 0, j, next, locale, split; + + while (i < names.length) { + split = normalizeLocale(names[i]).split('-'); + j = split.length; + next = normalizeLocale(names[i + 1]); + next = next ? next.split('-') : null; + while (j > 0) { + locale = loadLocale(split.slice(0, j).join('-')); + if (locale) { + return locale; + } + if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { + //the next array item is better than a shallower substring of this one + break; + } + j--; + } + i++; + } + return null; + } + + function loadLocale(name) { + var oldLocale = null; + if (!locales[name] && hasModule) { + try { + oldLocale = moment.locale(); + !(function webpackMissingModule() { var e = new Error("Cannot find module \"./locale\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()); + // because defineLocale currently also sets the global locale, we want to undo that for lazy loaded locales + moment.locale(oldLocale); + } catch (e) { } + } + return locales[name]; + } + + // 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(); + } + } + + /************************************ + Locale + ************************************/ + + + extend(Locale.prototype, { + + 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()]; + }, + + _monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'), + monthsShort : function (m) { + return this._monthsShort[m.month()]; + }, + + monthsParse : function (monthName, format, strict) { + var i, mom, regex; + + if (!this._monthsParse) { + this._monthsParse = []; + this._longMonthsParse = []; + this._shortMonthsParse = []; + } + + 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; + } + } + }, + + _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'), + weekdays : function (m) { + return this._weekdays[m.day()]; + }, + + _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'), + weekdaysShort : function (m) { + return this._weekdaysShort[m.day()]; + }, + + _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'), + weekdaysMin : function (m) { + return this._weekdaysMin[m.day()]; + }, + + weekdaysParse : function (weekdayName) { + var i, mom, regex; + + if (!this._weekdaysParse) { + this._weekdaysParse = []; + } + + 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; + } + } + }, + + _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; + }, + + isPM : function (input) { + // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays + // Using charAt should be more compatible. + return ((input + '').toLowerCase().charAt(0) === 'p'); + }, + + _meridiemParse : /[ap]\.?m?\.?/i, + meridiem : function (hours, minutes, isLower) { + if (hours > 11) { + return isLower ? 'pm' : 'PM'; + } else { + return isLower ? 'am' : 'AM'; + } + }, + + _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; + }, + + week : function (mom) { + return weekOfYear(mom, this._week.dow, this._week.doy).week; + }, + + _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. + }, + + _invalidDate: 'Invalid date', + invalidDate: function () { + return this._invalidDate; + } + }); + + /************************************ + Formatting + ************************************/ + + + function removeFormattingTokens(input) { + if (input.match(/\[[\s\S]/)) { + return input.replace(/^\[|\]$/g, ''); + } + return input.replace(/\\/g, ''); + } + + function makeFormatFunction(format) { + var array = format.match(formattingTokens), i, length; + + for (i = 0, length = array.length; i < length; i++) { + if (formatTokenFunctions[array[i]]) { + array[i] = formatTokenFunctions[array[i]]; + } else { + array[i] = removeFormattingTokens(array[i]); + } + } + + 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; + }; + } + + // format date using native date object + function formatMoment(m, format) { + if (!m.isValid()) { + return m.localeData().invalidDate(); + } + + format = expandFormat(format, m.localeData()); + + if (!formatFunctions[format]) { + formatFunctions[format] = makeFormatFunction(format); + } + + return formatFunctions[format](m); + } + + function expandFormat(format, locale) { + var i = 5; + + function replaceLongDateFormatTokens(input) { + return locale.longDateFormat(input) || input; + } + + localFormattingTokens.lastIndex = 0; + while (i >= 0 && localFormattingTokens.test(format)) { + format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); + localFormattingTokens.lastIndex = 0; + i -= 1; + } + + return format; + } + + + /************************************ + Parsing + ************************************/ + + + // get the regex to find the next token + function getParseRegexForToken(token, config) { + var a, strict = config._strict; + switch (token) { + case 'Q': + return parseTokenOneDigit; + case 'DDDD': + return parseTokenThreeDigits; + case 'YYYY': + case 'GGGG': + case 'gggg': + return strict ? parseTokenFourDigits : parseTokenOneToFourDigits; + case 'Y': + case 'G': + case 'g': + return parseTokenSignedNumber; + case 'YYYYYY': + case 'YYYYY': + case 'GGGGG': + case 'ggggg': + return strict ? parseTokenSixDigits : parseTokenOneToSixDigits; + case 'S': + if (strict) { + return parseTokenOneDigit; + } + /* falls through */ + case 'SS': + if (strict) { + return parseTokenTwoDigits; + } + /* falls through */ + case 'SSS': + if (strict) { + return parseTokenThreeDigits; + } + /* falls through */ + case 'DDD': + return parseTokenOneToThreeDigits; + case 'MMM': + case 'MMMM': + case 'dd': + case 'ddd': + case 'dddd': + return parseTokenWord; + case 'a': + case 'A': + return config._locale._meridiemParse; + case 'x': + return parseTokenOffsetMs; + case 'X': + return parseTokenTimestampMs; + case 'Z': + case 'ZZ': + return parseTokenTimezone; + case 'T': + return parseTokenT; + case 'SSSS': + return parseTokenDigits; + case 'MM': + case 'DD': + case 'YY': + case 'GG': + case 'gg': + case 'HH': + case 'hh': + case 'mm': + case 'ss': + case 'ww': + case 'WW': + return strict ? parseTokenTwoDigits : parseTokenOneOrTwoDigits; + case 'M': + case 'D': + case 'd': + case 'H': + case 'h': + case 'm': + case 's': + case 'w': + case 'W': + case 'e': + case 'E': + return parseTokenOneOrTwoDigits; + case 'Do': + return strict ? config._locale._ordinalParse : config._locale._ordinalParseLenient; + default : + a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), 'i')); + return a; + } + } + + 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]); + + return parts[0] === '+' ? -minutes : minutes; + } + + // function to convert string input to date + function addTimeToArrayFromToken(token, input, config) { + var a, datePartArray = config._a; + + 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); + } + + 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); + } + } + + function dayOfYearFromWeekInfo(config) { + var w, weekYear, week, weekday, dow, doy, temp; + + 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; + + weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year); + week = dfl(w.w, 1); + + if (w.d != null) { + // weekday -- low day numbers are considered next week + weekday = w.d; + if (weekday < dow) { + ++week; + } + } else if (w.e != null) { + // local weekday -- counting starts from begining of week + weekday = w.e + dow; + } else { + // default to begining of week + weekday = dow; + } + } + temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow); + + config._a[YEAR] = temp.year; + config._dayOfYear = temp.dayOfYear; + } + + // convert an array to a date. + // the array should mirror the parameters below + // note: all values past the year are optional and will default to the lowest possible value. + // [year, month, day , hour, minute, second, millisecond] + function dateFromConfig(config) { + var i, date, input = [], currentDate, yearToUse; + + if (config._d) { + return; + } + + currentDate = currentDateArray(config); + + //compute day of the year from weeks and weekdays + if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { + dayOfYearFromWeekInfo(config); + } + + //if the day of the year is set, figure out what it is + if (config._dayOfYear) { + yearToUse = dfl(config._a[YEAR], currentDate[YEAR]); - /** - * Get next token in the current dot file. - * The token and token type are available as token and tokenType - */ - function getToken() { - tokenType = TOKENTYPE.NULL; - token = ''; + if (config._dayOfYear > daysInYear(yearToUse)) { + config._pf._overflowDayOfYear = true; + } - // skip over whitespaces - while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter - next(); - } + date = makeUTCDate(yearToUse, 0, config._dayOfYear); + config._a[MONTH] = date.getUTCMonth(); + config._a[DATE] = date.getUTCDate(); + } - do { - var isComment = false; + // 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]; + } - // 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(); + // 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]; } - 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; + + // 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; } - else { - next(); + + 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); } - } - isComment = true; - } - // skip over whitespaces - while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter - next(); + if (config._nextDay) { + config._a[HOUR] = 24; + } } - } - while (isComment); - // check for end of dot file - if (c == '') { - // token is still empty - tokenType = TOKENTYPE.DELIMITER; - return; - } - - // check for delimiters consisting of 2 characters - var c2 = c + nextPreview(); - if (DELIMITERS[c2]) { - tokenType = TOKENTYPE.DELIMITER; - token = c2; - next(); - next(); - return; - } + function dateFromObject(config) { + var normalizedInput; - // check for delimiters consisting of 1 character - if (DELIMITERS[c]) { - tokenType = TOKENTYPE.DELIMITER; - token = c; - next(); - return; - } + if (config._d) { + return; + } - // 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(); + normalizedInput = normalizeObjectUnits(config._i); + config._a = [ + normalizedInput.year, + normalizedInput.month, + normalizedInput.day || normalizedInput.date, + normalizedInput.hour, + normalizedInput.minute, + normalizedInput.second, + normalizedInput.millisecond + ]; - 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 + dateFromConfig(config); } - tokenType = TOKENTYPE.IDENTIFIER; - return; - } - // check for a string enclosed by double quotes - if (c == '"') { - next(); - while (c != '' && (c != '"' || (c == '"' && nextPreview() == '"'))) { - token += c; - if (c == '"') { // skip the escape character - next(); - } - next(); - } - if (c != '"') { - throw newSyntaxError('End of string " expected'); + 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()]; + } } - next(); - tokenType = TOKENTYPE.IDENTIFIER; - return; - } - - // something unknown is found, wrong characters, a syntax error - tokenType = TOKENTYPE.UNKNOWN; - while (c != '') { - token += c; - next(); - } - throw new SyntaxError('Syntax error in part "' + chop(token, 30) + '"'); - } - - /** - * Parse a graph. - * @returns {Object} graph - */ - function parseGraph() { - var graph = {}; - first(); - getToken(); + // date from string and format string + function makeDateFromStringAndFormat(config) { + if (config._f === moment.ISO_8601) { + parseISO(config); + return; + } - // optional strict keyword - if (token == 'strict') { - graph.strict = true; - getToken(); - } + config._a = []; + config._pf.empty = true; - // graph or digraph keyword - if (token == 'graph' || token == 'digraph') { - graph.type = token; - getToken(); - } + // 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; - // optional graph id - if (tokenType == TOKENTYPE.IDENTIFIER) { - graph.id = token; - getToken(); - } + tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; - // open angle bracket - if (token != '{') { - throw newSyntaxError('Angle bracket { expected'); - } - getToken(); + 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); + } + } - // statements - parseStatements(graph); + // add remaining unparsed input length to the string + config._pf.charsLeftOver = stringLength - totalParsedInputLength; + if (string.length > 0) { + config._pf.unusedInput.push(string); + } - // close angle bracket - if (token != '}') { - throw newSyntaxError('Angle bracket } expected'); - } - getToken(); + // 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); + } - // end of file - if (token !== '') { - throw newSyntaxError('End of file expected'); - } - getToken(); + function unescapeFormat(s) { + return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { + return p1 || p2 || p3 || p4; + }); + } - // remove temporary default properties - delete graph.node; - delete graph.edge; - delete graph.graph; + // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript + function regexpEscape(s) { + return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + } - return graph; - } + // date from string and array of format strings + function makeDateFromStringAndArray(config) { + var tempConfig, + bestMoment, - /** - * Parse a list with statements. - * @param {Object} graph - */ - function parseStatements (graph) { - while (token !== '' && token != '}') { - parseStatement(graph); - if (token == ';') { - getToken(); - } - } - } + scoreToBeat, + i, + currentScore; - /** - * 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); + if (config._f.length === 0) { + config._pf.invalidFormat = true; + config._d = new Date(NaN); + return; + } - 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); - // parse an attribute statement - var attr = parseAttributeStatement(graph); - if (attr) { - return; - } + if (!isValid(tempConfig)) { + continue; + } - // parse node - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Identifier expected'); - } - var id = token; // id can be a string or a number - getToken(); + // if there is any input that was not parsed add a penalty for that format + currentScore += tempConfig._pf.charsLeftOver; - 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); - } - } + //or tokens + currentScore += tempConfig._pf.unusedTokens.length * 10; - /** - * Parse a subgraph - * @param {Object} graph parent graph object - * @return {Object | null} subgraph - */ - function parseSubgraph (graph) { - var subgraph = null; + tempConfig._pf.score = currentScore; - // optional subgraph keyword - if (token == 'subgraph') { - subgraph = {}; - subgraph.type = 'subgraph'; - getToken(); + if (scoreToBeat == null || currentScore < scoreToBeat) { + scoreToBeat = currentScore; + bestMoment = tempConfig; + } + } - // optional graph id - if (tokenType == TOKENTYPE.IDENTIFIER) { - subgraph.id = token; - getToken(); + extend(config, bestMoment || tempConfig); } - } - // open angle bracket - if (token == '{') { - getToken(); + // date from iso format + function parseISO(config) { + var i, l, + string = config._i, + match = isoRegex.exec(string); - if (!subgraph) { - subgraph = {}; + 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; + } } - 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'); + // date from iso format or fallback + function makeDateFromString(config) { + parseISO(config); + if (config._isValid === false) { + delete config._isValid; + moment.createFromInputFallback(config); + } } - getToken(); - // remove temporary default properties - delete subgraph.node; - delete subgraph.edge; - delete subgraph.graph; - delete subgraph.parent; + function map(arr, fn) { + var res = [], i; + for (i = 0; i < arr.length; ++i) { + res.push(fn(arr[i], i)); + } + return res; + } - // register at the parent graph - if (!graph.subgraphs) { - graph.subgraphs = []; + 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); + } } - graph.subgraphs.push(subgraph); - } - return subgraph; - } + 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); - /** - * 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(); + //the date constructor doesn't accept years < 1970 + if (y < 1970) { + date.setFullYear(y); + } + return date; + } - // node attributes - graph.node = parseAttributeList(); - return 'node'; - } - else if (token == 'edge') { - getToken(); + function makeUTCDate(y) { + var date = new Date(Date.UTC.apply(null, arguments)); + if (y < 1970) { + date.setUTCFullYear(y); + } + return date; + } - // edge attributes - graph.edge = parseAttributeList(); - return 'edge'; - } - else if (token == 'graph') { - getToken(); + 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; + } - // graph attributes - graph.graph = parseAttributeList(); - return 'graph'; - } + /************************************ + Relative Time + ************************************/ - 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; - } - addNode(graph, node); + // 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); + } - // edge statements - parseEdge(graph, id); - } + 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')), - /** - * 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(); + 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]; - 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(); + args[2] = withoutSuffix; + args[3] = +posNegDuration > 0; + args[4] = locale; + return substituteTimeAgo.apply({}, args); } - // parse edge attributes - var attr = parseAttributeList(); - - // create edge - var edge = createEdge(graph, from, to, type, attr); - addEdge(graph, edge); - from = to; - } - } + /************************************ + Week of Year + ************************************/ - /** - * Parse a set with attributes, - * for example [label="1.000", shape=solid] - * @return {Object | null} attr - */ - function parseAttributeList() { - var attr = null; - while (token == '[') { - getToken(); - attr = {}; - while (token !== '' && token != ']') { - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Attribute name expected'); - } - var name = token; + // 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; - getToken(); - if (token != '=') { - throw newSyntaxError('Equal sign = expected'); - } - getToken(); - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Attribute value expected'); - } - var value = token; - setValue(attr, name, value); // name can be a path + if (daysToDayOfWeek > end) { + daysToDayOfWeek -= 7; + } - getToken(); - if (token ==',') { - getToken(); - } - } + if (daysToDayOfWeek < end - 7) { + daysToDayOfWeek += 7; + } - if (token != ']') { - throw newSyntaxError('Bracket ] expected'); + adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd'); + return { + week: Math.ceil(adjustedMoment.dayOfYear() / 7), + year: adjustedMoment.year() + }; } - 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 + ')'); - } + //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; - /** - * 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) + '...'); - } + 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; - /** - * 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); + return { + year: dayOfYear > 0 ? year : year - 1, + dayOfYear: dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear + }; } - } - } - /** - * 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: {} - }; + /************************************ + Top Level Functions + ************************************/ - // 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); - }); - } + function makeMoment(config) { + var input = config._i, + format = config._f, + res; - // 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; - } + config._locale = config._locale || moment.localeData(config._l); - dotData.edges.forEach(function (dotEdge) { - var from, to; - if (dotEdge.from instanceof Object) { - from = dotEdge.from.nodes; - } - else { - from = { - id: dotEdge.from + if (input === null || (format === undefined && input === '')) { + return moment.invalid({nullInput: true}); } - } - if (dotEdge.to instanceof Object) { - to = dotEdge.to.nodes; - } - else { - to = { - id: dotEdge.to + if (typeof input === 'string') { + config._i = input = config._locale.preparse(input); } - } - if (dotEdge.from instanceof Object && dotEdge.from.edges) { - dotEdge.from.edges.forEach(function (subEdge) { - var graphEdge = convertEdge(subEdge); - graphData.edges.push(graphEdge); - }); - } + if (moment.isMoment(input)) { + return new Moment(input, true); + } else if (format) { + if (isArray(format)) { + makeDateFromStringAndArray(config); + } else { + makeDateFromStringAndFormat(config); + } + } else { + makeDateFromInput(config); + } - 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); - }); + res = new Moment(config); + if (res._nextDay) { + // Adding is smart enough around DST + res.add(1, 'd'); + res._nextDay = undefined; + } - if (dotEdge.to instanceof Object && dotEdge.to.edges) { - dotEdge.to.edges.forEach(function (subEdge) { - var graphEdge = convertEdge(subEdge); - graphData.edges.push(graphEdge); - }); - } - }); - } + return res; + } - // copy the options - if (dotData.attr) { - graphData.options = dotData.attr; - } + moment = function (input, format, locale, strict) { + var c; - return graphData; - } + 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(); - // exports - exports.parseDOT = parseDOT; - exports.DOTToGraph = DOTToGraph; + return makeMoment(c); + }; + moment.suppressDeprecationWarnings = false; -/***/ }, -/* 53 */ -/***/ function(module, exports, __webpack_require__) { + 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' : '')); + } + ); - - function parseGephi(gephiJSON, options) { - var edges = []; - var nodes = []; - this.options = { - edges: { - inheritColor: true - }, - nodes: { - allowedToMove: false, - parseColor: false + // 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; } - }; - if (options !== undefined) { - this.options.nodes['allowedToMove'] = options.allowedToMove | false; - this.options.nodes['parseColor'] = options.parseColor | false; - this.options.edges['inheritColor'] = options.inheritColor | true; - } + moment.min = function () { + var args = [].slice.call(arguments, 0); - 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); - } + return pickBy('isBefore', args); + }; - for (var i = 0; i < gNodes.length; i++) { - var node = {}; - var gNode = gNodes[i]; - node['id'] = gNode.id; - node['attributes'] = gNode.attributes; - node['x'] = gNode.x; - node['y'] = gNode.y; - node['label'] = gNode.label; - if (this.options.nodes.parseColor == true) { - node['color'] = gNode.color; - } - else { - node['color'] = gNode.color !== undefined ? {background:gNode.color, border:gNode.color} : undefined; - } - node['radius'] = gNode.size; - node['allowedToMoveX'] = this.options.nodes.allowedToMove; - node['allowedToMoveY'] = this.options.nodes.allowedToMove; - nodes.push(node); - } + moment.max = function () { + var args = [].slice.call(arguments, 0); - return {nodes:nodes, edges:edges}; - } + return pickBy('isAfter', args); + }; - exports.parseGephi = parseGephi; + // creating with utc + moment.utc = function (input, format, locale, strict) { + var c; -/***/ }, -/* 54 */ -/***/ function(module, exports, __webpack_require__) { + 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(); - var util = __webpack_require__(1); + return makeMoment(c).utc(); + }; - /** - * @class Groups - * This class can store groups and properties specific for groups. - */ - function Groups() { - this.clear(); - this.defaultIndex = 0; - } + // creating with unix timestamp (in seconds) + moment.unix = function (input) { + return moment(input * 1000); + }; + + // 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)); - /** - * 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 - ]; + duration = {}; + duration.ms = diffRes.milliseconds; + duration.M = diffRes.months; + } + ret = new Duration(duration); - /** - * 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; - } - }; + if (moment.isDuration(input) && hasOwnProp(input, '_locale')) { + ret._locale = input._locale; + } + return ret; + }; - /** - * 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; - } + // version number + moment.version = VERSION; - return group; - }; + // default format + moment.defaultFormat = isoFormat; - /** - * 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; - }; + // constant that refers to the ISO standard + moment.ISO_8601 = function () {}; - module.exports = Groups; + // Plugins that add properties should also add the key here (null value), + // so we can properly clone ourselves. + moment.momentProperties = momentProperties; + // This function will be called whenever a moment is mutated. + // It is intended to keep the offset in sync with the timezone. + moment.updateOffset = function () {}; -/***/ }, -/* 55 */ -/***/ function(module, exports, __webpack_require__) { + // 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; + }; - /** - * @class Images - * This class loads images and keeps them stored. - */ - function Images() { - this.images = {}; + moment.lang = deprecate( + 'moment.lang is deprecated. Use moment.locale instead.', + function (key, value) { + return moment.locale(key, value); + } + ); - this.callback = undefined; - } + // 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); + } - /** - * Set an onload callback function. This will be called each time an image - * is loaded - * @param {function} callback - */ - Images.prototype.setOnloadCallback = function(callback) { - this.callback = callback; - }; + if (data) { + moment.duration._locale = moment._locale = data; + } + } - /** - * - * @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); - } + return moment._locale._abbr; }; - - img.onerror = function () { - this.src = brokenUrl; - if (images.callback) { - images.callback(this); - } - }; - - img.src = url; - } - return img; - }; + moment.defineLocale = function (name, values) { + if (values !== null) { + values.abbr = name; + if (!locales[name]) { + locales[name] = new Locale(); + } + locales[name].set(values); - module.exports = Images; + // backwards compat for now: also set the locale + moment.locale(name); + return locales[name]; + } else { + // useful for testing + delete locales[name]; + return null; + } + }; -/***/ }, -/* 56 */ -/***/ function(module, exports, __webpack_require__) { + moment.langData = deprecate( + 'moment.langData is deprecated. Use moment.localeData instead.', + function (key) { + return moment.localeData(key); + } + ); - var util = __webpack_require__(1); + // returns locale data + moment.localeData = function (key) { + var locale; - /** - * @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 (key && key._locale && key._locale._abbr) { + key = key._locale._abbr; + } - this.selected = false; - this.hover = false; + if (!key) { + return moment._locale; + } - this.edges = []; // all edges connected to this node - this.dynamicEdges = []; - this.reroutedEdges = {}; + if (!isArray(key)) { + //short-circuit everything else + locale = loadLocale(key); + if (locale) { + return locale; + } + key = [key]; + } - this.fontDrawThreshold = 3; + return chooseLocale(key); + }; - // 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.boundingBox = {top:0, left:0, right:0, bottom:0}; + // compare moment object + moment.isMoment = function (obj) { + return obj instanceof Moment || + (obj != null && hasOwnProp(obj, '_isAMomentObject')); + }; - this.imagelist = imagelist; - this.grouplist = grouplist; + // for typechecking Duration objects + moment.isDuration = function (obj) { + return obj instanceof Duration; + }; - // 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}; + for (i = lists.length - 1; i >= 0; --i) { + makeList(lists[i]); + } - this.setProperties(properties, constants); + moment.normalizeUnits = function (units) { + return normalizeUnits(units); + }; - // 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; + moment.invalid = function (flags) { + var m = moment.utc(NaN); + if (flags != null) { + extend(m._pf, flags); + } + else { + m._pf.userInvalidated = true; + } - // 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; - } + return m; + }; - /** - * (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 = []; - }; + moment.parseZone = function () { + return moment.apply(null, arguments).parseZone(); + }; - /** - * 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; - }; + moment.parseTwoDigitYear = function (input) { + return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); + }; - /** - * 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; - }; + /************************************ + Moment Prototype + ************************************/ - /** - * 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; - } + extend(moment.fn = Moment.prototype, { - var fields = ['borderWidth','borderWidthSelected','shape','image','brokenImage','radius','fontColor', - 'fontSize','fontFace','fontFill','group','mass' - ]; - util.selectiveDeepExtend(fields, this.options, properties); + clone : function () { + return moment(this); + }, - // 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;} + valueOf : function () { + return +this._d + ((this._offset || 0) * 60000); + }, - // 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;} + unix : function () { + return Math.floor(+this / 1000); + }, - if (this.id === undefined) { - throw "Node must have an id"; - } + toString : function () { + return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); + }, - // 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]; - } - } - } - else if (properties.color === undefined) { - this.options.color = constants.nodes.color; - } + toDate : function () { + return this._offset ? new Date(+this) : this._d; + }, - // individual shape properties - if (properties.radius !== undefined) {this.baseRadiusValue = this.options.radius;} - if (properties.color !== undefined) {this.options.color = util.parseColor(properties.color);} + 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]'); + } + }, - 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"; - } - } + toArray : function () { + var m = this; + return [ + m.year(), + m.month(), + m.date(), + m.hours(), + m.minutes(), + m.seconds(), + m.milliseconds() + ]; + }, + + isValid : function () { + return isValid(this); + }, - if (properties.allowedToMoveX !== undefined) { - this.xFixed = !properties.allowedToMoveX; - this.allowedToMoveX = properties.allowedToMoveX; - } - else if (properties.x !== undefined && this.allowedToMoveX == false) { - this.xFixed = true; - } + isDSTShifted : function () { + if (this._a) { + return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0; + } + return false; + }, - if (properties.allowedToMoveY !== undefined) { - this.yFixed = !properties.allowedToMoveY; - this.allowedToMoveY = properties.allowedToMoveY; - } - else if (properties.y !== undefined && this.allowedToMoveY == false) { - this.yFixed = true; - } + parsingFlags : function () { + return extend({}, this._pf); + }, - this.radiusFixed = this.radiusFixed || (properties.radius !== undefined); + invalidAt: function () { + return this._pf.overflow; + }, - if (this.options.shape == 'image') { - this.options.radiusMin = constants.nodes.widthMin; - this.options.radiusMax = constants.nodes.widthMax; - } + utc : function (keepLocalTime) { + return this.zone(0, keepLocalTime); + }, + local : function (keepLocalTime) { + if (this._isUTC) { + this.zone(0, keepLocalTime); + this._isUTC = false; + if (keepLocalTime) { + this.add(this._dateTzOffset(), 'm'); + } + } + return this; + }, - // 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(); + format : function (inputString) { + var output = formatMoment(this, inputString || moment.defaultFormat); + return this.localeData().postformat(output); + }, - }; + add : createAdder(1, 'add'), - /** - * select this node - */ - Node.prototype.select = function() { - this.selected = true; - this._reset(); - }; + subtract : createAdder(-1, 'subtract'), - /** - * unselect this node - */ - Node.prototype.unselect = function() { - this.selected = false; - this._reset(); - }; + diff : function (input, units, asFloat) { + var that = makeAs(input, this), + zoneDiff = (this.zone() - that.zone()) * 6e4, + diff, output, daysAdjust; + units = normalizeUnits(units); - /** - * Reset the calculated size of the node, forces it to recalculate its size - */ - Node.prototype.clearSizeCache = function() { - this._reset(); - }; + 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); + }, - /** - * Reset the calculated size of the node, forces it to recalculate its size - * @private - */ - Node.prototype._reset = function() { - this.width = undefined; - this.height = undefined; - }; + from : function (time, withoutSuffix) { + return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); + }, - /** - * get the title of this node. - * @return {string} title The title of the node, or undefined when no title - * has been set. - */ - Node.prototype.getTitle = function() { - return typeof this.title === "function" ? this.title() : this.title; - }; + fromNow : function (withoutSuffix) { + return this.from(moment(), withoutSuffix); + }, - /** - * Calculate the distance to the border of the Node - * @param {CanvasRenderingContext2D} ctx - * @param {Number} angle Angle in radians - * @returns {number} distance Distance to the border in pixels - */ - Node.prototype.distanceToBorder = function (ctx, angle) { - var borderWidth = 1; + 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))); + }, - if (!this.width) { - this.resize(ctx); - } + isLeapYear : function () { + return isLeapYear(this.year()); + }, - switch (this.options.shape) { - case 'circle': - case 'dot': - return this.options.radius+ borderWidth; + isDST : function () { + return (this.zone() < this.clone().month(0).zone() || + this.zone() < this.clone().month(5).zone()); + }, - 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); + 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; + } + }, - // TODO: implement distanceToBorder for database - // TODO: implement distanceToBorder for triangle - // TODO: implement distanceToBorder for triangleDown + month : makeAccessor('Month', true), - 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; - } + 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 */ + } - } - // TODO: implement calculation of distance to border for all shapes - }; + // weeks are a special case + if (units === 'week') { + this.weekday(0); + } else if (units === 'isoWeek') { + this.isoWeekday(1); + } - /** - * 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; - }; + // quarters are also special + if (units === 'quarter') { + this.month(Math.floor(this.month() / 3) * 3); + } - /** - * Add forces acting on the node - * @param {number} fx Force in horizontal direction - * @param {number} fy Force in vertical direction - * @private - */ - Node.prototype._addForce = function(fx, fy) { - this.fx += fx; - this.fy += fy; - }; + return this; + }, - /** - * Perform one discrete step for the node - * @param {number} interval Time interval in seconds - */ - 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; - } + endOf: function (units) { + units = normalizeUnits(units); + if (units === undefined || units === 'millisecond') { + return this; + } + return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); + }, - if (!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; - } - }; + 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); + } + }, + 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; + } + }, + 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)); + } + }, - /** - * Perform one discrete step for the node - * @param {number} interval Time interval in seconds - * @param {number} maxVelocity The speed limit imposed on the velocity - */ - Node.prototype.discreteStepLimited = function(interval, maxVelocity) { - 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; - } + 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; + } + ), - 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; - } - }; + 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; + } + ), - /** - * 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); - }; + // 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; + }, - /** - * 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); - }; + zoneAbbr : function () { + return this._isUTC ? 'UTC' : ''; + }, - /** - * check if this node is selecte - * @return {boolean} selected True if node is selected, else false - */ - Node.prototype.isSelected = function() { - return this.selected; - }; + zoneName : function () { + return this._isUTC ? 'Coordinated Universal Time' : ''; + }, - /** - * Retrieve the value of the node. Can be undefined - * @return {Number} value - */ - Node.prototype.getValue = function() { - return this.value; - }; + parseZone : function () { + if (this._tzm) { + this.zone(this._tzm); + } else if (typeof this._i === 'string') { + this.zone(this._i); + } + return this; + }, - /** - * Calculate the distance from the nodes location to the given location (x,y) - * @param {Number} x - * @param {Number} y - * @return {Number} value - */ - Node.prototype.getDistance = function(x, y) { - var dx = this.x - x, - dy = this.y - y; - return Math.sqrt(dx * dx + dy * dy); - }; + hasAlignedHourOffset : function (input) { + if (!input) { + input = 0; + } + else { + input = moment(input).zone(); + } + return (this.zone() - input) % 60 === 0; + }, - /** - * Adjust the value range of the node. The node will adjust it's radius - * based on its value. - * @param {Number} min - * @param {Number} max - */ - Node.prototype.setValueRange = function(min, max) { - if (!this.radiusFixed && this.value !== undefined) { - if (max == min) { - this.options.radius= (this.options.radiusMin + this.options.radiusMax) / 2; - } - else { - var scale = (this.options.radiusMax - this.options.radiusMin) / (max - min); - this.options.radius= (this.value - min) * scale + this.options.radiusMin; - } - } - this.baseRadiusValue = this.options.radius; - }; + daysInMonth : function () { + return daysInMonth(this.year(), this.month()); + }, + + 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'); + }, - /** - * 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"; - }; + quarter : function (input) { + return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); + }, - /** - * 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"; - }; + 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'); + }, - /** - * Check if this object is overlapping with the provided object - * @param {Object} obj an object with parameters left, top, right, bottom - * @return {boolean} True if location is located on node - */ - Node.prototype.isOverlappingWith = function(obj) { - return (this.left < obj.right && - this.left + this.width > obj.left && - this.top < obj.bottom && - this.top + this.height > obj.top); - }; + isoWeekYear : function (input) { + var year = weekOfYear(this, 1, 4).year; + return input == null ? year : this.add((input - year), 'y'); + }, - Node.prototype._resizeImage = function (ctx) { - // TODO: pre calculate the image size + week : function (input) { + var week = this.localeData().week(this); + return input == null ? week : this.add((input - week) * 7, 'd'); + }, - 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; + isoWeek : function (input) { + var week = weekOfYear(this, 1, 4).week; + return input == null ? week : this.add((input - week) * 7, 'd'); + }, - 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; - } - } + 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); + }, - Node.prototype._drawImage = function (ctx) { - this._resizeImage(ctx); + isoWeeksInYear : function () { + return weeksInYear(this.year(), 1, 4); + }, - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + weeksInYear : function () { + var weekInfo = this.localeData()._week; + return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); + }, - 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); + get : function (units) { + units = normalizeUnits(units); + return this[units](); + }, - ctx.globalAlpha = 0.5; - ctx.drawImage(this.imageObj, this.left - lineWidth, this.top - lineWidth, this.width + 2*lineWidth, this.height + 2*lineWidth); - } + set : function (units, value) { + units = normalizeUnits(units); + if (typeof this[units] === 'function') { + this[units](value); + } + return this; + }, - // 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; - } + // 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; + } + }, - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; + 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); + } + } + ), - this._label(ctx, this.label, this.x, yLabel, undefined, "top"); - this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); - this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); - this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); - }; + localeData : function () { + return this._locale; + }, + _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; + } + }); - 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; + function rawMonthSetter(mom, value) { + var dayOfMonth; - 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; + // 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; + } + } - } - }; + dayOfMonth = Math.min(mom.date(), + daysInMonth(mom.year(), value)); + mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); + return mom; + } - Node.prototype._drawBox = function (ctx) { - this._resizeBox(ctx); + function rawGetter(mom, unit) { + return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit](); + } - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + function rawSetter(mom, unit, value) { + if (unit === 'Month') { + return rawMonthSetter(mom, value); + } else { + return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); + } + } - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + 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); + } + }; + } - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + 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)); - // draw the outer border - if (this.clusterSize > 1) { - ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); - ctx.lineWidth *= this.networkScaleInv; - ctx.lineWidth = Math.min(this.width,ctx.lineWidth); + // add 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; - 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); + // add aliased format methods + moment.fn.toJSON = moment.fn.toISOString; - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.options.color.background; + /************************************ + Duration Prototype + ************************************/ - ctx.roundRect(this.left, this.top, this.width, this.height, this.options.radius); - ctx.fill(); - ctx.stroke(); - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; + function daysToYears (days) { + // 400 years have 146097 days (taking into account leap year rules) + return days * 400 / 146097; + } - this._label(ctx, this.label, this.x, this.y); - }; + function yearsToDays (years) { + // years * 365 + absRound(years / 4) - + // absRound(years / 100) + absRound(years / 400); + return years * 146097 / 400; + } + extend(moment.duration.fn = Duration.prototype, { - 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; + _bubble : function () { + var milliseconds = this._milliseconds, + days = this._days, + months = this._months, + data = this._data, + seconds, minutes, hours, years = 0; - // scaling used for clustering - this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; - this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; - this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; - this.growthIndicator = this.width - size; - } - }; + // The following code bubbles up values, see the tests for + // examples of what that means. + data.milliseconds = milliseconds % 1000; - Node.prototype._drawDatabase = function (ctx) { - this._resizeDatabase(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + seconds = absRound(milliseconds / 1000); + data.seconds = seconds % 60; - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + minutes = absRound(seconds / 60); + data.minutes = minutes % 60; - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + hours = absRound(minutes / 60); + data.hours = hours % 24; - // 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); + days += absRound(hours / 24); - 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); + // Accurately convert days to years, assume start from year 0. + years = absRound(daysToYears(days)); + days -= absRound(yearsToDays(years)); - 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(); + // 30 days to a month + // TODO (iskren): Use anchor date (like 1st Jan) to compute this. + months += absRound(days / 30); + days %= 30; - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; + // 12 months -> 1 year + years += absRound(months / 12); + months %= 12; - this._label(ctx, this.label, this.x, this.y); - }; + data.days = days; + data.months = months; + data.years = years; + }, + abs : function () { + this._milliseconds = Math.abs(this._milliseconds); + this._days = Math.abs(this._days); + this._months = Math.abs(this._months); - 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._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.width = diameter; - this.height = diameter; + return this; + }, - // 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; - } - }; + weeks : function () { + return absRound(this.days() / 7); + }, - Node.prototype._drawCircle = function (ctx) { - this._resizeCircle(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + valueOf : function () { + return this._milliseconds + + this._days * 864e5 + + (this._months % 12) * 2592e6 + + toInt(this._months / 12) * 31536e6; + }, - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + humanize : function (withSuffix) { + var output = relativeTime(this, !withSuffix, this.localeData()); - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + if (withSuffix) { + output = this.localeData().pastFuture(+this, output); + } - // 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); + return this.localeData().postformat(output); + }, - 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); + add : function (input, val) { + // supports only 2.0-style add(1, 's') or add(moment) + var dur = moment.duration(input, val); - 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._milliseconds += dur._milliseconds; + this._days += dur._days; + this._months += dur._months; - this.boundingBox.top = this.y - this.options.radius; - this.boundingBox.left = this.x - this.options.radius; - this.boundingBox.right = this.x + this.options.radius; - this.boundingBox.bottom = this.y + this.options.radius; + this._bubble(); - this._label(ctx, this.label, this.x, this.y); - }; + return this; + }, - Node.prototype._resizeEllipse = function (ctx) { - if (!this.width) { - var textSize = this.getTextSize(ctx); + subtract : function (input, val) { + var dur = moment.duration(input, val); - this.width = textSize.width * 1.5; - this.height = textSize.height * 2; - if (this.width < this.height) { - this.width = this.height; - } - var defaultSize = this.width; + this._milliseconds -= dur._milliseconds; + this._days -= dur._days; + this._months -= dur._months; - // 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._bubble(); - Node.prototype._drawEllipse = function (ctx) { - this._resizeEllipse(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + return this; + }, - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + get : function (units) { + units = normalizeUnits(units); + return this[units.toLowerCase() + 's'](); + }, - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + as : function (units) { + var days, months; + units = normalizeUnits(units); - // 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); + 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); + } + } + }, - 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); + lang : moment.fn.lang, + locale : moment.fn.locale, - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; + toIsoString : deprecate( + 'toIsoString() is deprecated. Please use toISOString() instead ' + + '(notice the capitals)', + function () { + return this.toISOString(); + } + ), - ctx.ellipse(this.left, this.top, this.width, this.height); - ctx.fill(); - ctx.stroke(); + toISOString : function () { + // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js + var years = Math.abs(this.years()), + months = Math.abs(this.months()), + days = Math.abs(this.days()), + hours = Math.abs(this.hours()), + minutes = Math.abs(this.minutes()), + seconds = Math.abs(this.seconds() + this.milliseconds() / 1000); - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; + if (!this.asSeconds()) { + // this is the same as C#'s (Noda) and python (isodate)... + // but not other JS (goog.date) + return 'P0D'; + } - this._label(ctx, this.label, this.x, this.y); - }; + 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' : ''); + }, - Node.prototype._drawDot = function (ctx) { - this._drawShape(ctx, 'circle'); - }; + localeData : function () { + return this._locale; + } + }); - Node.prototype._drawTriangle = function (ctx) { - this._drawShape(ctx, 'triangle'); - }; + moment.duration.fn.toString = moment.duration.fn.toISOString; - Node.prototype._drawTriangleDown = function (ctx) { - this._drawShape(ctx, 'triangleDown'); - }; + function makeDurationGetter(name) { + moment.duration.fn[name] = function () { + return this._data[name]; + }; + } - Node.prototype._drawSquare = function (ctx) { - this._drawShape(ctx, 'square'); - }; + for (i in unitMillisecondFactors) { + if (hasOwnProp(unitMillisecondFactors, i)) { + makeDurationGetter(i.toLowerCase()); + } + } - Node.prototype._drawStar = function (ctx) { - this._drawShape(ctx, 'star'); - }; + 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'); + }; - 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; + /************************************ + Default Locale + ************************************/ - // 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; - } - }; - Node.prototype._drawShape = function (ctx, shape) { - this._resizeShape(ctx); + // 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.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + /* EMBED_LOCALES */ - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - var radiusMultiplier = 2; + /************************************ + Exposing Moment + ************************************/ - // 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; - } + 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; + } + } - 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); + // 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; + } - 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 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))) - 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(); +/***/ }, +/* 59 */ +/***/ function(module, exports, __webpack_require__) { - this.boundingBox.top = this.y - this.options.radius; - this.boundingBox.left = this.x - this.options.radius; - this.boundingBox.right = this.x + this.options.radius; - this.boundingBox.bottom = this.y + this.options.radius; + 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 */ - if (this.label) { - this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'top',true); - this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); - this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); - this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); - } - }; + (function(window, undefined) { + 'use strict'; - 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; + /** + * @main + * @module hammer + * + * @class Hammer + * @static + */ - // 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); - } + /** + * Hammer, use this to create instances + * ```` + * var hammertime = new Hammer(myElement); + * ```` + * + * @method Hammer + * @param {HTMLElement} element + * @param {Object} [options={}] + * @return {Hammer.Instance} + */ + var Hammer = function Hammer(element, options) { + return new Hammer.Instance(element, options || {}); }; - Node.prototype._drawText = function (ctx) { - this._resizeText(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + /** + * version, as defined in package.json + * the value will be set at each build + * @property VERSION + * @final + * @type {String} + */ + Hammer.VERSION = '1.1.3'; - this._label(ctx, this.label, this.x, this.y); + /** + * 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', - this.boundingBox.top = this.top; - this.boundingBox.left = this.left; - this.boundingBox.right = this.left + this.width; - this.boundingBox.bottom = this.top + this.height; - }; + /** + * 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', + /** + * 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', - 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; + /** + * Specifies whether zooming is enabled. Used by IE10> + * @property defaults.behavior.contentZooming + * @type {String} + * @default 'none' + */ + contentZooming: 'none', - 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); - } + /** + * 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', - // 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; + /** + * 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)' } - this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; + }; - // 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); - } + /** + * hammer document where the base events are added at + * @property DOCUMENT + * @type {HTMLElement} + * @default window.document + */ + Hammer.DOCUMENT = document; - // 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; - } - } - }; + /** + * detect support for pointer events + * @property HAS_POINTEREVENTS + * @type {Boolean} + */ + Hammer.HAS_POINTEREVENTS = navigator.pointerEnabled || navigator.msPointerEnabled; + /** + * detect support for touch events + * @property HAS_TOUCHEVENTS + * @type {Boolean} + */ + Hammer.HAS_TOUCHEVENTS = ('ontouchstart' in window); - Node.prototype.getTextSize = function(ctx) { - if (this.label !== undefined) { - ctx.font = (this.selected ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; + /** + * detect mobile browsers + * @property IS_MOBILE + * @type {Boolean} + */ + Hammer.IS_MOBILE = /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent); - var lines = this.label.split('\n'), - height = (Number(this.options.fontSize) + 4) * lines.length, - width = 0; + /** + * detect if we want to support mouseevents at all + * @property NO_MOUSEEVENTS + * @type {Boolean} + */ + Hammer.NO_MOUSEEVENTS = (Hammer.HAS_TOUCHEVENTS && Hammer.IS_MOBILE) || Hammer.HAS_POINTEREVENTS; - for (var i = 0, iMax = lines.length; i < iMax; i++) { - width = Math.max(width, ctx.measureText(lines[i]).width); - } + /** + * interval in which Hammer recalculates current velocity/direction/angle in ms + * @property CALCULATE_INTERVAL + * @type {Number} + * @default 25 + */ + Hammer.CALCULATE_INTERVAL = 25; - return {"width": width, "height": height}; - } - else { - return {"width": 0, "height": 0}; - } - }; + /** + * 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 = {}; /** - * 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} + * direction strings, for safe comparisons + * @property DIRECTION_DOWN|LEFT|UP|RIGHT + * @final + * @type {String} + * @default 'down' 'left' 'up' 'right' */ - 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; - } - }; + 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'; /** - * checks if the core of the node is in the display area, this is used for opening clusters around zoom - * @returns {boolean} + * pointertype strings, for safe comparisons + * @property POINTER_MOUSE|TOUCH|PEN + * @final + * @type {String} + * @default 'mouse' 'touch' 'pen' */ - 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); - }; + var POINTER_MOUSE = Hammer.POINTER_MOUSE = 'mouse'; + var POINTER_TOUCH = Hammer.POINTER_TOUCH = 'touch'; + var POINTER_PEN = Hammer.POINTER_PEN = 'pen'; /** - * 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 + * eventtypes + * @property EVENT_START|MOVE|END|RELEASE|TOUCH + * @final + * @type {String} + * @default 'start' 'change' 'move' 'end' 'release' 'touch' */ - Node.prototype.setScaleAndPos = function(scale,canvasTopLeft,canvasBottomRight) { - this.networkScaleInv = 1.0/scale; - this.networkScale = scale; - this.canvasTopLeft = canvasTopLeft; - this.canvasBottomRight = canvasBottomRight; - }; + var EVENT_START = Hammer.EVENT_START = 'start'; + var EVENT_MOVE = Hammer.EVENT_MOVE = 'move'; + var EVENT_END = Hammer.EVENT_END = 'end'; + var EVENT_RELEASE = Hammer.EVENT_RELEASE = 'release'; + var EVENT_TOUCH = Hammer.EVENT_TOUCH = 'touch'; + + /** + * if the window events are set... + * @property READY + * @writeOnce + * @type {Boolean} + * @default false + */ + Hammer.READY = false; + + /** + * plugins namespace + * @property plugins + * @type {Object} + */ + Hammer.plugins = Hammer.plugins || {}; + /** + * gestures namespace + * see `/gestures` for the definitions + * @property gestures + * @type {Object} + */ + Hammer.gestures = Hammer.gestures || {}; /** - * This allows the zoom level of the network to influence the rendering - * - * @param scale + * setup events to detect gestures on the document + * this function is called when creating an new instance + * @private */ - Node.prototype.setScale = function(scale) { - this.networkScaleInv = 1.0/scale; - this.networkScale = scale; - }; + 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); + }); - /** - * 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; - }; + // 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; + } /** - * Basic preservation of (kinectic) energy + * @module hammer * - * @param massBeforeClustering + * @class Utils + * @static */ - Node.prototype.updateVelocity = function(massBeforeClustering) { - var energyBefore = this.vx * this.vx * massBeforeClustering; - //this.vx = (this.vx < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); - this.vx = Math.sqrt(energyBefore/this.options.mass); - energyBefore = this.vy * this.vy * massBeforeClustering; - //this.vy = (this.vy < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); - this.vy = Math.sqrt(energyBefore/this.options.mass); - }; - - module.exports = Node; + var Utils = Hammer.utils = { + /** + * extend method, could also be used for cloning when `dest` is an empty object. + * changes the dest object + * @method extend + * @param {Object} dest + * @param {Object} src + * @param {Boolean} [merge=false] do a merge + * @return {Object} dest + */ + extend: function extend(dest, src, merge) { + for(var key in src) { + if(!src.hasOwnProperty(key) || (dest[key] !== undefined && merge)) { + continue; + } + dest[key] = src[key]; + } + return dest; + }, + /** + * simple addEventListener wrapper + * @method on + * @param {HTMLElement} element + * @param {String} type + * @param {Function} handler + */ + on: function on(element, type, handler) { + element.addEventListener(type, handler, false); + }, -/***/ }, -/* 57 */ -/***/ function(module, exports, __webpack_require__) { + /** + * 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 util = __webpack_require__(1); - var Node = __webpack_require__(56); + /** + * 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; - /** - * @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']; + // 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; + }, - this.network = network; + /** + * 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; + } + }, - // 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; + /** + * 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.from = null; // a node - this.to = null; // a node - this.via = null; // a temp node + /** + * 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; + }, - this.fromBackup = null; // used to clean up after reconnect - this.toBackup = null;; // used to clean up after reconnect + /** + * 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; - // 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 = []; + // 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.connected = false; + Utils.each(touches, function(touch) { + pageX.push(touch.pageX); + pageY.push(touch.pageY); + clientX.push(touch.clientX); + clientY.push(touch.clientY); + }); - this.widthFixed = false; - this.lengthFixed = false; + 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 + }; + }, - this.setProperties(properties); + /** + * calculate the velocity between two points. unit is in px per ms. + * @method getVelocity + * @param {Number} deltaTime + * @param {Number} deltaX + * @param {Number} deltaY + * @return {Object} velocity `x` and `y` + */ + getVelocity: function getVelocity(deltaTime, deltaX, deltaY) { + return { + x: Math.abs(deltaX / deltaTime) || 0, + y: Math.abs(deltaY / deltaTime) || 0 + }; + }, - this.controlNodesEnabled = false; - this.controlNodes = {from:null, to:null, positions:{}}; - this.connectedNode = null; - } + /** + * calculate the angle between two coordinates + * @method getAngle + * @param {Touch} touch1 + * @param {Touch} touch2 + * @return {Number} angle + */ + getAngle: function getAngle(touch1, touch2) { + var x = touch2.clientX - touch1.clientX, + y = touch2.clientY - touch1.clientY; - /** - * 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; - } + return Math.atan2(y, x) * 180 / Math.PI; + }, - var fields = ['style','fontSize','fontFace','fontColor','fontFill','width', - 'widthSelectionMultiplier','hoverWidth','arrowScaleFactor','dash','inheritColor' - ]; - util.selectiveDeepExtend(fields, this.options, properties); + /** + * do a small comparision to get the direction between two touches. + * @method getDirection + * @param {Touch} touch1 + * @param {Touch} touch2 + * @return {String} direction matches `DIRECTION_LEFT|RIGHT|UP|DOWN` + */ + getDirection: function getDirection(touch1, touch2) { + var x = Math.abs(touch1.clientX - touch2.clientX), + y = Math.abs(touch1.clientY - touch2.clientY); - if (properties.from !== undefined) {this.fromId = properties.from;} - if (properties.to !== undefined) {this.toId = properties.to;} + if(x >= y) { + return touch1.clientX - touch2.clientX > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; + } + return touch1.clientY - touch2.clientY > 0 ? DIRECTION_UP : DIRECTION_DOWN; + }, - if (properties.id !== undefined) {this.id = properties.id;} - if (properties.label !== undefined) {this.label = properties.label; this.dirtyLabel = true;} + /** + * 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; - 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;} + return Math.sqrt((x * x) + (y * y)); + }, - 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;} - } - } + /** + * 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; + }, - // A node is connected when it has a from and to node. - this.connect(); + /** + * 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; + }, - this.widthFixed = this.widthFixed || (properties.width !== undefined); - this.lengthFixed = this.lengthFixed || (properties.length !== undefined); + /** + * 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; + }, - this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; + /** + * 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); - // 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; - } - }; + 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); + } - /** - * Connect an edge to its nodes - */ - Edge.prototype.connect = function () { - this.disconnect(); + // test the style + if(p in element.style) { + element.style[p] = (toggle == null || toggle) && value || ''; + break; + } + } + }, - this.from = this.network.nodes[this.fromId] || null; - this.to = this.network.nodes[this.toId] || null; - this.connected = (this.from && this.to); + /** + * 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; + } - 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); - } - } - }; + // set the css properties + Utils.each(props, function(value, prop) { + Utils.setPrefixedCss(element, prop, value, toggle); + }); - /** - * 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; - } + var falseFn = toggle && function() { + return false; + }; - this.connected = false; - }; + // also the disable onselectstart + if(props.userSelect == 'none') { + element.onselectstart = falseFn; + } + // and disable ondragstart + if(props.userDrag == 'none') { + element.ondragstart = falseFn; + } + }, - /** - * 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; + /** + * 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(); + }); + } }; /** - * Retrieve the value of the edge. Can be undefined - * @return {Number} value + * @module hammer */ - 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 + * @class Event + * @static */ - 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; - } - }; + 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, - /** - * 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"; - }; + /** + * if EVENT_START has been fired + * @property started + * @private + * @type {Boolean} + */ + started: false, - /** - * Check if this object is overlapping with the provided object - * @param {Object} obj an object with parameters left, top - * @return {boolean} True if location is located on the edge - */ - Edge.prototype.isOverlappingWith = function(obj) { - if (this.connected) { - var distMax = 10; - var xFrom = this.from.x; - var yFrom = this.from.y; - var xTo = this.to.x; - var yTo = this.to.y; - var xObj = obj.left; - var yObj = obj.top; + /** + * when the mouse is hold down, this is true + * @property should_detect + * @private + * @type {Boolean} + */ + shouldDetect: false, - var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj); + /** + * 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); + }); + }, - return (dist < distMax); - } - else { - return false - } - }; + /** + * 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); + }); + }, - 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 - }; - } + /** + * 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 (this.selected == true) {return colorObj.highlight;} - else if (this.hover == true) {return colorObj.hover;} - else {return colorObj.color;} - }; + var onTouchHandler = function onTouchHandler(ev) { + var srcType = ev.type.toLowerCase(), + isPointer = Hammer.HAS_POINTEREVENTS, + isMouse = Utils.inStr(srcType, 'mouse'), + triggerType; + // 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; - /** - * 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(); + // 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; + } - if (this.from != this.to) { - // draw line - var via = this._line(ctx); + // update the pointer event before entering the detection + if(isPointer && eventType != EVENT_END) { + PointerEvent.updatePointer(eventType, ev); + } - // 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); - } - }; + // we are in a touch/down state, so allowed detection of gestures + if(self.shouldDetect) { + triggerType = self.doDetect.call(self, ev, eventType, element, handler); + } - /** - * 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); - } - } - }; + // ...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 + } - Edge.prototype._getViaCoordinates = function () { - var xVia = null; - var yVia = null; - var factor = this.options.smoothCurves.roundness; - var type = this.options.smoothCurves.type; + if(isPointer && eventType == EVENT_END) { + PointerEvent.updatePointer(eventType, ev); + } + }; - var dx = Math.abs(this.from.x - this.to.x); - var dy = Math.abs(this.from.y - this.to.y); - if (type == 'discrete' || type == 'diagonalCross') { - if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dy; - yVia = this.from.y - factor * dy; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dy; - yVia = this.from.y - factor * dy; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dy; - yVia = this.from.y + factor * dy; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dy; - yVia = this.from.y + factor * dy; - } - } - if (type == "discrete") { - xVia = dx < factor * dy ? this.from.x : xVia; - } - } - else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dx; - yVia = this.from.y - factor * dx; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dx; - yVia = this.from.y - factor * dx; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dx; - yVia = this.from.y + factor * dx; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dx; - yVia = this.from.y + factor * dx; + this.on(element, EVENT_TYPES[eventType], onTouchHandler); + return onTouchHandler; + }, + + /** + * 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; + + // 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; + + // keep track of how many touches have been removed + changedLength = touchList.length - ((ev.changedTouches) ? ev.changedTouches.length : 1); } - } - 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; + + // 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; } - 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; + + // detection has been started, we keep track of this, see above + this.started = true; + + // generate some event data, some basic information + var evData = this.collectEventData(element, triggerType, touchList, ev); + + // 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); } - } - 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; + + // trigger a change (TOUCH, RELEASE) event, this means the length of the touches changed + if(triggerChange) { + evData.changedLength = changedLength; + evData.eventType = triggerChange; + + handler.call(Detection, evData); + + evData.eventType = triggerType; + delete evData.changedLength; } - 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; + + // trigger the END event + if(triggerType == EVENT_END) { + handler.call(Detection, evData); + + // ...and we are done with the detection + // so reset everything to start each detection totally fresh + this.started = false; } - } - } - 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; + + return triggerType; + }, + + /** + * 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' + ]; } - 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; + + EVENT_TYPES[EVENT_START] = types[0]; + EVENT_TYPES[EVENT_MOVE] = types[1]; + EVENT_TYPES[EVENT_END] = types[2]; + return EVENT_TYPES; + }, + + /** + * 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(); } - } - 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; + + // get the touchlist + if(ev.touches) { + if(eventType == EVENT_MOVE) { + return ev.touches; + } + + var identifiers = []; + var concat = [].concat(Utils.toArray(ev.touches), Utils.toArray(ev.changedTouches)); + var touchList = []; + + Utils.each(concat, function(touch) { + if(Utils.inArray(identifiers, touch.identifier) === false) { + touchList.push(touch); + } + identifiers.push(touch.identifier); + }); + + return touchList; } - 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; + + // 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, - return {x:xVia, y:yVia}; - }; + /** + * 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(); + }, - /** - * 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; + /** + * stop bubbling the event up to its parents + */ + stopPropagation: function() { + this.srcEvent.stopPropagation(); + }, + + /** + * immediately stop gesture detection + * might be useful after a swipe was detected + * @return {*} + */ + stopDetect: function() { + return Detection.stopDetect(); + } + }; } - } - else { - ctx.lineTo(this.to.x, this.to.y); - ctx.stroke(); - return null; - } }; - /** - * Draw a line from a node to itself, a circle - * @param {CanvasRenderingContext2D} ctx - * @param {Number} x - * @param {Number} y - * @param {Number} radius - * @private - */ - Edge.prototype._circle = function (ctx, x, y, radius) { - // draw a circle - ctx.beginPath(); - ctx.arc(x, y, radius, 0, 2 * Math.PI, false); - ctx.stroke(); - }; /** - * Draw label with white background and with the middle at (x, y) - * @param {CanvasRenderingContext2D} ctx - * @param {String} text - * @param {Number} x - * @param {Number} y - * @private + * @module hammer + * + * @class PointerEvent + * @static */ - 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; + var PointerEvent = Hammer.PointerEvent = { + /** + * holds all pointers, by `identifier` + * @property pointers + * @type {Object} + */ + pointers: {}, - 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; + /** + * get the pointers as an array + * @method getTouchList + * @return {Array} touchlist + */ + getTouchList: function getTouchList() { + var touchlist = []; + // we can use forEach since pointerEvents only is in IE10 + Utils.each(this.pointers, function(pointer) { + touchlist.push(pointer); + }); + return touchlist; + }, - var 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; + /** + * 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; + } + }, - // cache - this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; - } + /** + * 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 = {}; - 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); - } + 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]; + }, - // 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; + /** + * reset the stored pointers + * @method reset + */ + reset: function resetList() { + this.pointers = {}; } - } }; + /** - * 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 + * @module hammer + * + * @class Detection + * @static */ - Edge.prototype._drawDashLine = function(ctx) { - // set style - ctx.strokeStyle = this._getColor(); - ctx.lineWidth = this._getLineWidth(); + var Detection = Hammer.detection = { + // contains all registred Hammer.gestures in the correct order + gestures: [], - 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]; - } + // data of the current Hammer.gesture detection session + current: null, - // set dash settings for chrome or firefox - if (typeof ctx.setLineDash !== 'undefined') { //Chrome - ctx.setLineDash(pattern); - ctx.lineDashOffset = 0; + // the previous Hammer.gesture session data + // is a full clone of the previous gesture.current object + previous: null, - } else { //Firefox - ctx.mozDash = pattern; - ctx.mozDashOffset = 0; - } + // when this becomes true, no gestures are fired + stopped: false, - // draw the line - via = this._line(ctx); + /** + * 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; + } - // restore the dash settings. - if (typeof ctx.setLineDash !== 'undefined') { //Chrome - ctx.setLineDash([0]); - ctx.lineDashOffset = 0; + this.stopped = false; - } 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(); - } + // 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 + }; + + this.detect(eventData); + }, + + /** + * Hammer.gesture detection + * @method detect + * @param {Object} eventData + * @return {any} + */ + detect: function detect(eventData) { + if(!this.current || this.stopped) { + return; + } + + // 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; + + // 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); + + // store as previous event event + if(this.current) { + this.current.lastEvent = eventData; + } + + if(eventData.eventType == EVENT_END) { + this.stopDetect(); + } + + return eventData; + }, + + /** + * 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); + + // reset the current + this.current = null; + this.stopped = true; + }, + + /** + * 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; + } + + if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { + cur.futureCalcEvent = ev; + } + + 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); + + 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; + }, + + /** + * 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; + + // 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 + }); + }); + } + + var deltaTime = ev.timeStamp - startEv.timeStamp, + deltaX = ev.center.clientX - startEv.center.clientX, + deltaY = ev.center.clientY - startEv.center.clientY; + + this.getCalculatedData(ev, lastEv.center, deltaTime, deltaX, deltaY); + + Utils.extend(ev, { + startEvent: startEv, + + deltaTime: deltaTime, + deltaX: deltaX, + deltaY: deltaY, + + 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) + }); + + return ev; + }, + + /** + * 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; + } + + // 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); + + // 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; + }); - // 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); + return this.gestures; } - this._label(ctx, this.label, point.x, point.y); - } }; - /** - * Get a point on a line - * @param {Number} percentage. Value between 0 (line start) and 1 (line end) - * @return {Object} point - * @private - */ - Edge.prototype._pointOnLine = function (percentage) { - return { - x: (1 - percentage) * this.from.x + percentage * this.to.x, - y: (1 - percentage) * this.from.y + percentage * this.to.y - } - }; /** - * 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 + * @module hammer */ - 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) - } - }; /** - * 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 + * 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} */ - Edge.prototype._drawArrowCenter = function(ctx) { - var point; - // set style - ctx.strokeStyle = this._getColor(); - ctx.fillStyle = ctx.strokeStyle; - ctx.lineWidth = this._getLineWidth(); + Hammer.Instance = function(element, options) { + var self = this; - if (this.from != this.to) { - // draw line - var via = this._line(ctx); + // setup HammerJS window events and register all gestures + // this also sets up the default options + setup(); - 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); - } + /** + * @property element + * @type {HTMLElement} + */ + this.element = element; - ctx.arrow(point.x, point.y, angle, length); - ctx.fill(); - ctx.stroke(); + /** + * @property enabled + * @type {Boolean} + * @protected + */ + this.enabled = true; - // 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); + /** + * 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; + }); - // 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(); + this.options = Utils.extend(Utils.extend({}, Hammer.defaults), options || {}); - // draw label - if (this.label) { - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); + // 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); } - } + + /** + * 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); + } + }); + + /** + * keep a list of user event handlers which needs to be removed when calling 'dispose' + * @property eventHandlers + * @type {Array} + */ + this.eventHandlers = []; }; + 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; + }, + /** + * unbind events to the instance + * @method off + * @chainable + * @param {String} gestures + * @param {Function} handler + */ + off: function offEvent(gestures, handler) { + var self = this; - /** - * 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(); + 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; + }, - 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 gesture event + * @method trigger + * @chainable + * @param {String} gesture + * @param {Object} [eventData] + */ + trigger: function triggerEvent(gesture, eventData) { + // optional + if(!eventData) { + eventData = {}; + } - 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; + // create DOM event + var event = Hammer.DOCUMENT.createEvent('Event'); + event.initEvent(gesture, true, true); + event.gesture = eventData; - 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(); - } + // 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; + } - 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; + element.dispatchEvent(event); + return 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; - } + /** + * enable of disable hammer.js detection + * @method enable + * @chainable + * @param {Boolean} state + */ + enable: function enable(state) { + this.enabled = state; + return this; + }, - 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(); + /** + * dispose this hammer instance + * @method dispose + * @return {Null} + */ + dispose: function dispose() { + var i, eh; - // 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(); + // undo all changes made by stop_browser_behavior + Utils.toggleBehavior(this.element, this.options.behavior, false); - // 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(); + // unbind all custom event handlers + for(i = -1; (eh = this.eventHandlers[++i]);) { + Utils.off(this.element, eh.gesture, eh.handler); + } - // 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(); + this.eventHandlers = []; - // draw label - if (this.label) { - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); + // unbind the start event listener + Event.off(this.element, EVENT_TYPES[EVENT_START], this.eventStartHandler); + + return null; } - } }; + /** + * @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 + */ /** - * 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 + * @param {String} name */ - 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; + (function(name) { + var triggered = false; + + function dragGesture(ev, inst) { + var cur = Detection.current; + + // max touches + if(inst.options.dragMaxTouches > 0 && + ev.touches.length > inst.options.dragMaxTouches) { + return; } - 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); - } - 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; - } - }; + switch(ev.eventType) { + case EVENT_START: + triggered = false; + break; + + case EVENT_MOVE: + // when the distance we moved is too small we skip this gesture + // or we can be already in dragging + if(ev.distance < inst.options.dragMinDistance && + cur.name != name) { + return; + } + + var startCenter = cur.startEvent.center; + + // we are dragging! + if(cur.name != name) { + cur.name = name; + if(inst.options.dragDistanceCorrection && ev.distance > 0) { + // When a drag is triggered, set the event center to dragMinDistance pixels from the original event center. + // Without this correction, the dragged distance would jumpstart at dragMinDistance pixels instead of at 0. + // It might be useful to save the original start point somewhere + var factor = Math.abs(inst.options.dragMinDistance / ev.distance); + startCenter.pageX += ev.deltaX * factor; + startCenter.pageY += ev.deltaY * factor; + startCenter.clientX += ev.deltaX * factor; + startCenter.clientY += ev.deltaY * factor; + + // recalculate event data using new start point + ev = Detection.extendEventData(ev); + } + } + + // 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; + } + } - 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; + // first time, trigger dragstart event + if(!triggered) { + inst.trigger(name + 'start', ev); + triggered = true; + } - if (u > 1) { - u = 1; - } - else if (u < 0) { - u = 0; - } + // trigger events + inst.trigger(name, ev); + inst.trigger(name + ev.direction, ev); - var x = x1 + u * px, - y = y1 + u * py, - dx = x - x3, - dy = y - y3; + var isVertical = Utils.isVertical(ev.direction); - //# 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 + // block the browser events + if((inst.options.dragBlockVertical && isVertical) || + (inst.options.dragBlockHorizontal && !isVertical)) { + ev.preventDefault(); + } + break; - return Math.sqrt(dx*dx + dy*dy); - }; + case EVENT_RELEASE: + if(triggered && ev.changedLength <= inst.options.dragMaxTouches) { + inst.trigger(name + 'end', ev); + triggered = false; + } + break; - /** - * This allows the zoom level of the network to influence the rendering - * - * @param scale - */ - Edge.prototype.setScale = function(scale) { - this.networkScaleInv = 1.0/scale; - }; + case EVENT_END: + triggered = false; + break; + } + } + Hammer.gestures.Drag = { + name: name, + index: 50, + handler: dragGesture, + defaults: { + /** + * minimal movement that have to be made before the drag event gets triggered + * @property dragMinDistance + * @type {Number} + * @default 10 + */ + dragMinDistance: 10, - Edge.prototype.select = function() { - this.selected = true; - }; + /** + * 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, - Edge.prototype.unselect = function() { - this.selected = false; - }; + /** + * set 0 for unlimited, but this can conflict with transform + * @property dragMaxTouches + * @type {Number} + * @default 1 + */ + dragMaxTouches: 1, - Edge.prototype.positionBezierNode = function() { - if (this.via !== null && this.from !== null && this.to !== null) { - this.via.x = 0.5 * (this.from.x + this.to.x); - this.via.y = 0.5 * (this.from.y + this.to.y); - } - else { - this.via.x = 0; - this.via.y = 0; - } - }; + /** + * prevent default browser behavior when dragging occurs + * be careful with it, it makes the element a blocking element + * when you are using the drag gesture, it is a good practice to set this true + * @property dragBlockHorizontal + * @type {Boolean} + * @default false + */ + dragBlockHorizontal: false, - /** - * This 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); - } + /** + * same as `dragBlockHorizontal`, but for vertical movement + * @property dragBlockVertical + * @type {Boolean} + * @default false + */ + dragBlockVertical: false, - 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; - } + /** + * dragLockToAxis keeps the drag gesture on the axis that it started on, + * It disallows vertical directions if the initial direction was horizontal, and vice versa. + * @property dragLockToAxis + * @type {Boolean} + * @default false + */ + dragLockToAxis: false, - this.controlNodes.from.draw(ctx); - this.controlNodes.to.draw(ctx); - } - else { - this.controlNodes = {from:null, to:null, positions:{}}; - } - }; + /** + * 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'); /** - * Enable control nodes. - * @private + * @module gestures */ - Edge.prototype._enableControlNodes = function() { - this.fromBackup = this.from; - this.toBackup = this.to; - this.controlNodesEnabled = true; - }; - /** - * disable control nodes and remove from dynamicEdges from old node - * @private + * trigger a simple gesture event, so you can do anything in your handler. + * only usable if you know what your doing... + * + * @class Gesture + * @static */ - 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; - }; - - /** - * 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 + * @event gesture + * @param {Object} 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; - } + Hammer.gestures.Gesture = { + name: 'gesture', + index: 1337, + handler: function releaseGesture(ev, inst) { + inst.trigger(this.name, ev); + } }; - /** - * this resets the control nodes to their original position. - * @private + * @module gestures */ - Edge.prototype._restoreControlNodes = function() { - if (this.controlNodes.from.selected == true) { - this.from = this.connectedNode; - this.connectedNode = null; - this.controlNodes.from.unselect(); - } - else if (this.controlNodes.to.selected == true) { - this.to = this.connectedNode; - this.connectedNode = null; - this.controlNodes.to.unselect(); - } - }; - /** - * this calculates the position of the control nodes on the edges of the parent nodes. + * Touch stays at the same place for x time * - * @param ctx - * @returns {{from: {x: number, y: number}, to: {x: *, y: *}}} + * @class Hold + * @static + */ + /** + * @event hold + * @param {Object} ev */ - 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; - - 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(); - } - 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; + /** + * @param {String} name + */ + (function(name) { + var timer; - 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; - } + function holdGesture(ev, inst) { + var options = inst.options, + current = Detection.current; - return {from:{x:xFrom,y:yFrom},to:{x:xTo,y:yTo}}; - }; + switch(ev.eventType) { + case EVENT_START: + clearTimeout(timer); - module.exports = Edge; + // set the gesture so we can check in the timeout if it still is + current.name = name; -/***/ }, -/* 58 */ -/***/ function(module, exports, __webpack_require__) { + // 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; - /** - * 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; - } + case EVENT_MOVE: + if(ev.distance > options.holdThreshold) { + clearTimeout(timer); + } + break; - // 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' + case EVENT_RELEASE: + clearTimeout(timer); + break; } - } } - } - - this.x = 0; - this.y = 0; - this.padding = 5; - if (x !== undefined && y !== undefined ) { - this.setPosition(x, y); - } - if (text !== undefined) { - this.setText(text); - } + Hammer.gestures.Hold = { + name: name, + index: 10, + defaults: { + /** + * @property holdTimeout + * @type {Number} + * @default 500 + */ + holdTimeout: 500, - // 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); - } + /** + * movement allowed while holding + * @property holdThreshold + * @type {Number} + * @default 2 + */ + holdThreshold: 2 + }, + handler: holdGesture + }; + })('hold'); /** - * @param {number} x Horizontal position of the popup window - * @param {number} y Vertical position of the popup window + * @module gestures */ - Popup.prototype.setPosition = function(x, y) { - this.x = parseInt(x); - this.y = parseInt(y); - }; - /** - * Set the content for the popup window. This can be HTML code or text. - * @param {string | Element} content + * when a touch is being released from the page + * + * @class Release + * @static */ - 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 - } - }; - /** - * Show the popup window - * @param {boolean} show Optional. Show or hide the window + * @event release + * @param {Object} ev */ - Popup.prototype.show = function (show) { - if (show === undefined) { - show = true; - } - - if (show) { - var height = this.frame.clientHeight; - var width = this.frame.clientWidth; - var maxHeight = this.frame.parentNode.clientHeight; - var maxWidth = this.frame.parentNode.clientWidth; - - var top = (this.y - height); - if (top + height + this.padding > maxHeight) { - top = maxHeight - height - this.padding; - } - 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; + Hammer.gestures.Release = { + name: 'release', + index: Infinity, + handler: function releaseGesture(ev, inst) { + if(ev.eventType == EVENT_RELEASE) { + inst.trigger(this.name, ev); + } } - - this.frame.style.left = left + "px"; - this.frame.style.top = top + "px"; - this.frame.style.visibility = "visible"; - } - else { - this.hide(); - } }; /** - * Hide the popup window + * @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(); + * }); + * ```` + * + * @class Swipe + * @static */ - Popup.prototype.hide = function () { - this.frame.style.visibility = "hidden"; - }; + /** + * @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, - module.exports = Popup; + /** + * @property swipeMaxTouches + * @type {Number} + * @default 1 + */ + swipeMaxTouches: 1, + /** + * horizontal swipe velocity + * @property swipeVelocityX + * @type {Number} + * @default 0.6 + */ + swipeVelocityX: 0.6, -/***/ }, -/* 59 */ -/***/ function(module, exports, __webpack_require__) { + /** + * vertical swipe velocity + * @property swipeVelocityY + * @type {Number} + * @default 0.6 + */ + swipeVelocityY: 0.6 + }, - 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); + handler: function swipeGesture(ev, inst) { + if(ev.eventType == EVENT_RELEASE) { + var touches = ev.touches.length, + options = inst.options; - /** - * 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]; + // 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); + } + } } - } }; - /** - * removes a mixin from the network object. - * - * @param {Object} sourceVariable | this object has to contain functions. - * @private + * @module gestures */ - exports._clearMixin = function (sourceVariable) { - for (var mixinFunction in sourceVariable) { - if (sourceVariable.hasOwnProperty(mixinFunction)) { - this[mixinFunction] = undefined; - } - } - }; - - /** - * Mixin the physics system and initialize the parameters required. + * Single tap and a double tap on a place * - * @private + * @class Tap + * @static */ - exports._loadPhysicsSystem = function () { - this._loadMixin(PhysicsMixin); - this._loadSelectedForceSolver(); - if (this.constants.configurePhysics == true) { - this._loadPhysicsConfiguration(); - } - else { - this._cleanupPhysicsConfiguration(); - } - }; - - /** - * Mixin the cluster system and initialize the parameters required. - * - * @private + * @event tap + * @param {Object} ev */ - exports._loadClusterSystem = function () { - this.clusterSession = 0; - this.hubThreshold = 5; - this._loadMixin(ClusterMixin); - }; - - /** - * Mixin the sector system and initialize the parameters required - * - * @private + * @event doubletap + * @param {Object} ev */ - 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); - }; - /** - * Mixin the selection system and initialize the parameters required - * - * @private + * @param {String} name */ - exports._loadSelectionSystem = function () { - this.selectionObj = {nodes: {}, edges: {}}; + (function(name) { + var hasMoved = false; - this._loadMixin(SelectionMixin); - }; + 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; - /** - * Mixin the navigationUI (User Interface) system and initialize the parameters required - * - * @private - */ - exports._loadManipulationSystem = function () { - // reset global variables -- these are used by the selection of nodes and edges. - this.blockConnectingEdgeSelection = false; - this.forceAppendSelection = false; + case EVENT_MOVE: + hasMoved = hasMoved || (ev.distance > options.tapMaxDistance); + 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_END: + if(!Utils.inStr(ev.srcEvent.type, 'cancel') && ev.deltaTime < options.tapMaxTime && !hasMoved) { + // previous gesture, for the double tap since these are two different gesture detections + sincePrev = prev && prev.lastEvent && ev.timeStamp - prev.lastEvent.timeStamp; + didDoubleTap = false; - if (this.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); - } + // check if double tap + if(prev && prev.name == name && + (sincePrev && sincePrev < options.doubleTapInterval) && + ev.distance < options.doubleTapDistance) { + inst.trigger('doubletap', ev); + didDoubleTap = true; + } - 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); + // do a single tap + if(!didDoubleTap || options.tapAlways) { + current.name = name; + inst.trigger(current.name, ev); + } + } + break; + } } - // load the manipulation functions - this._loadMixin(ManipulationMixin); + 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, - // create the manipulator toolbar - this._createManipulatorBar(); - } - else { - if (this.manipulationDiv !== undefined) { - // removes all the bindings and overloads - this._createManipulatorBar(); + /** + * max distance of movement of a tap, this is for the slow tappers + * @property tapMaxDistance + * @type {Number} + * @default 10 + */ + tapMaxDistance: 10, - // remove the manipulation divs - this.frame.removeChild(this.manipulationDiv); - this.frame.removeChild(this.editModeDiv); - this.frame.removeChild(this.closeDiv); + /** + * always trigger the `tap` event, even while double-tapping + * @property tapAlways + * @type {Boolean} + * @default true + */ + tapAlways: true, - this.manipulationDiv = undefined; - this.editModeDiv = undefined; - this.closeDiv = undefined; - // remove the mixin functions - this._clearMixin(ManipulationMixin); - } - } - }; + /** + * 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'); /** - * Mixin the navigation (User Interface) system and initialize the parameters required - * - * @private + * @module gestures */ - 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(); - } - }; - - /** - * Mixin the hierarchical layout system. + * when a touch is being touched at the page * - * @private + * @class Touch + * @static */ - exports._loadHierarchySystem = function () { - this._loadMixin(HierarchicalLayoutMixin); - }; + /** + * @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, + /** + * 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; + } -/***/ }, -/* 60 */ -/***/ function(module, exports, __webpack_require__) { + if(inst.options.preventDefault) { + ev.preventDefault(); + } - var util = __webpack_require__(1); - var RepulsionMixin = __webpack_require__(61); - var HierarchialRepulsionMixin = __webpack_require__(62); - var BarnesHutMixin = __webpack_require__(63); + if(ev.eventType == EVENT_TOUCH) { + inst.trigger('touch', ev); + } + } + }; /** - * Toggling barnes Hut calculation on and off. + * @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. * - * @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 */ - exports._toggleBarnesHut = function () { - this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled; - this._loadSelectedForceSolver(); - this.moving = true; - this.start(); - }; - /** - * This loads the node force solver based on the barnes hut or repulsion algorithm - * - * @private + * @param {String} name */ - exports._loadSelectedForceSolver = function () { - // this overloads the this._calculateNodeForces - if (this.constants.physics.barnesHut.enabled == true) { - this._clearMixin(RepulsionMixin); - this._clearMixin(HierarchialRepulsionMixin); + (function(name) { + var triggered = false; - 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; + function transformGesture(ev, inst) { + switch(ev.eventType) { + case EVENT_START: + triggered = false; + break; - this._loadMixin(BarnesHutMixin); - } - else if (this.constants.physics.hierarchicalRepulsion.enabled == true) { - this._clearMixin(BarnesHutMixin); - this._clearMixin(RepulsionMixin); + case EVENT_MOVE: + // at least multitouch + if(ev.touches.length < 2) { + return; + } + + 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 + }, - 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; + handler: transformGesture + }; + })('transform'); - this._loadMixin(HierarchialRepulsionMixin); - } - else { - this._clearMixin(BarnesHutMixin); - this._clearMixin(HierarchialRepulsionMixin); - this.barnesHutTree = undefined; + /** + * @module hammer + */ - 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; + // 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; + } - this._loadMixin(RepulsionMixin); - } - }; + })(window); + +/***/ }, +/* 60 */ +/***/ function(module, exports, __webpack_require__) { /** - * 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. + * Creation of the ClusterMixin var. * - * @private + * This contains all the functions the Network object can use to employ clustering */ - 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); - } - // we now start the force calculation - this._calculateForces(); - } - }; + /** + * 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(); + }; /** - * Calculate the external forces acting on the nodes - * Forces are caused by: edges, repulsing forces between nodes, gravity - * @private + * This function clusters until the initialMaxNodes has been reached + * + * @param {Number} maxNumberOfNodes + * @param {Boolean} reposition */ - 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 + exports.clusterToFit = function(maxNumberOfNodes, reposition) { + var numberOfNodes = this.nodeIndices.length; - this._calculateGravitationalForces(); - this._calculateNodeForces(); + var maxLevels = 50; + var level = 0; - if (this.constants.physics.springConstant > 0) { - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - this._calculateSpringForcesWithSupport(); + // 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 { - if (this.constants.physics.hierarchicalRepulsion.enabled == true) { - this._calculateHierarchicalSpringForces(); - } - else { - this._calculateSpringForces(); - } + this.increaseClusterLevel(); // this also includes a cluster normalization } + + numberOfNodes = this.nodeIndices.length; + level += 1; } - }; + // after the clustering we reposition the nodes to reduce the initial chaos + if (level > 0 && reposition == true) { + this.repositionNodes(); + } + this._updateCalculationNodes(); + }; /** - * 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. + * This function can be called to open up a specific cluster. It is only called by + * It will unpack the cluster back one level. * - * @private + * @param node | Node object: cluster to open. */ - exports._updateCalculationNodes = function () { - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - this.calculationNodes = {}; - this.calculationNodeIndices = []; + 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; - 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); - } - } + // 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 idx in this.calculationNodes) { - if (this.calculationNodes.hasOwnProperty(idx)) { - this.calculationNodeIndices.push(idx); - } - } } else { - this.calculationNodes = this.nodes; - this.calculationNodeIndices = this.nodeIndices; + 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 function applies the central gravity effect to keep groups from floating off - * - * @private + * This calls the updateClustes with default arguments */ - 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; - } + exports.updateClustersDefault = function() { + if (this.constants.clustering.enabled == true) { + this.updateClusters(0,false,false); } }; - - /** - * this function calculates the effects of the springs in the case of unsmooth curves. - * - * @private + * This function can be called to increase the cluster level. This means that the nodes with only one edge connection will + * be clustered with their connected node. This can be repeated as many times as needed. + * This can be called externally (by a keybind for instance) to reduce the complexity of big datasets. */ - exports._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; - } - } - } - } + exports.increaseClusterLevel = function() { + this.updateClusters(-1,false,true); }; - - /** - * This function calculates the springforces on the nodes, accounting for the support nodes. - * - * @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._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.decreaseClusterLevel = function() { + this.updateClusters(1,false,true); }; /** - * This is the code actually performing the calculation for the function above. It is split out to avoid repetition. + * 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 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); + exports.updateClusters = function(zoomDirection,recursive,force,doNotStart) { + var isMovingBeforeClustering = this.moving; + var amountOfNodes = this.nodeIndices.length; - if (distance == 0) { - distance = 0.01; + // 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(); } - // 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; - }; - - - exports._cleanupPhysicsConfiguration = function() { - if (this.physicsConfiguration !== undefined) { - while (this.physicsConfiguration.hasChildNodes()) { - this.physicsConfiguration.removeChild(this.physicsConfiguration.firstChild); + // 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.physicsConfiguration.parentNode.removeChild(this.physicsConfiguration); - this.physicsConfiguration = undefined; } - } - - /** - * Load the HTML for the physics config and bind it - * @private - */ - 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"); + this._updateNodeIndexList(); - 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"); + // 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(); + } - 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; - } + // we now reduce chains. + if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out + this.handleChains(); + this._updateNodeIndexList(); + } - var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); - var graph_repositionNodes = document.getElementById("graph_repositionNodes"); - var graph_generateOptions = document.getElementById("graph_generateOptions"); + this.previousScale = this.scale; - 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"; + // rest of the update the index list, dynamic edges and labels + this._updateDynamicEdges(); + this.updateLabels(); + + // if a cluster was formed, we increase the clusterSession + if (this.nodeIndices.length < amountOfNodes) { // this means a clustering operation has taken place + this.clusterSession += 1; + // if clusters have been made, we normalize the cluster level + this.normalizeClusterLevels(); + } + + if (doNotStart == false || doNotStart === undefined) { + // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded + if (this.moving != isMovingBeforeClustering) { + this.start(); } + } + this._updateCalculationNodes(); + }; - switchConfigurations.apply(this); + /** + * This function handles the chains. It is called on every updateClusters(). + */ + exports.handleChains = function() { + // after clustering we check how many chains there are + var chainPercentage = this._getChainFraction(); + if (chainPercentage > this.constants.clustering.chainThreshold) { + this._reduceAmountOfChains(1 - this.constants.clustering.chainThreshold / chainPercentage) - radioButton1.onchange = switchConfigurations.bind(this); - radioButton2.onchange = switchConfigurations.bind(this); - radioButton3.onchange = switchConfigurations.bind(this); } }; /** - * This overwrites the this.constants. + * this functions starts clustering by hubs + * The minimum hub threshold is set globally * - * @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._aggregateHubs = function(force) { + this._getHubSize(); + this._formClustersByHub(force,false); }; /** - * this function is bound to the toggle smooth curves button. That is also why it is not in the prototype. + * This function is fired by keypress. It forces hubs to form. + * */ - 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";} + exports.forceAggregateHubs = function(doNotStart) { + var isMovingBeforeClustering = this.moving; + var amountOfNodes = this.nodeIndices.length; - this._configureSmoothCurves(false); - } + this._aggregateHubs(true); - /** - * this function is used to scramble the nodes - * - */ - 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; - } - } - 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"); + // update the index list, dynamic edges and labels + this._updateNodeIndexList(); + this._updateDynamicEdges(); + this.updateLabels(); + + // if a cluster was formed, we increase the clusterSession + if (this.nodeIndices.length != amountOfNodes) { + this.clusterSession += 1; } - else { - this.repositionNodes(); + + 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.moving = true; - this.start(); - } + }; /** - * this is used to generate an options file from the playing with physics system. + * If a cluster takes up more than a set percentage of the screen, open the cluster + * + * @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 += ", " - } - } - options += '}}' - } - if (optionsSpecific.length == 0) {options += "}"} - if (this.constants.smoothCurves != this.backupConstants.smoothCurves) { - options += ", smoothCurves: " + this.constants.smoothCurves; - } - options += '};' - } - else { - options = "var options = {"; - if (this.constants.physics.hierarchicalRepulsion.nodeDistance != this.backupConstants.physics.hierarchicalRepulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.hierarchicalRepulsion.nodeDistance);} - if (this.constants.physics.centralGravity != this.backupConstants.physics.hierarchicalRepulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} - if (this.constants.physics.springLength != this.backupConstants.physics.hierarchicalRepulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} - if (this.constants.physics.springConstant != this.backupConstants.physics.hierarchicalRepulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} - if (this.constants.physics.damping != this.backupConstants.physics.hierarchicalRepulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} - if (optionsSpecific.length != 0) { - options += "physics: {hierarchicalRepulsion: {"; - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", "; - } - } - options += '}},'; - } - options += 'hierarchicalLayout: {'; - optionsSpecific = []; - if (this.constants.hierarchicalLayout.direction != this.backupConstants.hierarchicalLayout.direction) {optionsSpecific.push("direction: " + this.constants.hierarchicalLayout.direction);} - if (Math.abs(this.constants.hierarchicalLayout.levelSeparation) != this.backupConstants.hierarchicalLayout.levelSeparation) {optionsSpecific.push("levelSeparation: " + this.constants.hierarchicalLayout.levelSeparation);} - if (this.constants.hierarchicalLayout.nodeSpacing != this.backupConstants.hierarchicalLayout.nodeSpacing) {optionsSpecific.push("nodeSpacing: " + this.constants.hierarchicalLayout.nodeSpacing);} - if (optionsSpecific.length != 0) { - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", " + 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); } } - options += '}' - } - else { - options += "enabled:true}"; } - options += '};' } + }; - this.optionsDiv.innerHTML = options; - } - /** - * this is used to switch between barnesHut, repulsion and hierarchical. + * 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 */ - 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; + 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._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 generates the ranges depending on the iniital values. + * 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 id - * @param map - * @param constantsVariableName + * @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 */ - function showValueOfRange (id,map,constantsVariableName) { - var valueId = id + "_value"; - var rangeValue = document.getElementById(id).value; + exports._expandClusterNode = function(parentNode, recursive, force, openAll) { + // first check if node is a cluster + if (parentNode.clusterSize > 1) { + // this means that on a double tap event or a zoom event, the cluster fully unpacks if it is smaller than 20 + if (parentNode.clusterSize < this.constants.clustering.sectorThreshold) { + openAll = true; + } + recursive = openAll ? true : recursive; - if (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)); - } + // if the last child has been added on a smaller scale than current scale decluster + if (parentNode.formationScale < this.scale || force == true) { + // we will check if any of the contained child nodes should be removed from the cluster + for (var containedNodeId in parentNode.containedNodes) { + if (parentNode.containedNodes.hasOwnProperty(containedNodeId)) { + var childNode = parentNode.containedNodes[containedNodeId]; - if (constantsVariableName == "hierarchicalLayout_direction" || - constantsVariableName == "hierarchicalLayout_levelSeparation" || - constantsVariableName == "hierarchicalLayout_nodeSpacing") { - this._setupHierarchicalLayout(); + // 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.moving = true; - this.start(); - } - - - - -/***/ }, -/* 61 */ -/***/ function(module, exports, __webpack_require__) { + }; /** - * Calculate the forces the nodes apply on each other based on a repulsion field. - * This field is linearly approximated. + * 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._calculateNodeForces = function () { - var dx, dy, angle, distance, fx, fy, combinedClusterSize, - repulsingForce, node1, node2, i, j; + exports._expelChildFromParent = function(parentNode, containedNodeId, recursive, force, openAll) { + var childNode = parentNode.containedNodes[containedNodeId]; - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; + // 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(); - // approximation constants - var a_base = -2 / 3; - var b = 4 / 3; + // put the child node back in the global nodes object + this.nodes[containedNodeId] = childNode; - // repulsing forces between nodes - var nodeDistance = this.constants.physics.repulsion.nodeDistance; - var minimumDistance = nodeDistance; + // release the contained edges from this childNode back into the global edges + this._releaseContainedEdges(parentNode,childNode); - // 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; + // reconnect rerouted edges to the childNode + this._connectEdgeBackToChild(parentNode,childNode); - dx = node2.x - node1.x; - dy = node2.y - node1.y; - distance = Math.sqrt(dx * dx + dy * dy); + // validate all edges in dynamicEdges + this._validateEdges(parentNode); - 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)) - } + // 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; - // amplify the repulsion for clusters. - repulsingForce *= (combinedClusterSize == 0) ? 1 : 1 + combinedClusterSize * this.constants.clustering.forceAmplification; - repulsingForce = repulsingForce / distance; + // 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()); - fx = dx * repulsingForce; - fy = dy * repulsingForce; + // remove node from the list + delete parentNode.containedNodes[containedNodeId]; - node1.fx -= fx; - node1.fy -= fy; - node2.fx += fx; - node2.fy += fy; + // 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; } - }; + // check if a further expansion step is possible if recursivity is enabled + if (recursive == true) { + this._expandClusterNode(childNode,recursive,force,openAll); + } + }; -/***/ }, -/* 62 */ -/***/ function(module, exports, __webpack_require__) { /** - * Calculate the forces the nodes apply on eachother based on a repulsion field. - * This field is linearly approximated. + * position the bezier nodes at the center of the edges * + * @param node * @private */ - exports._calculateNodeForces = function () { - var dx, dy, distance, fx, fy, - repulsingForce, node1, node2, i, j; - - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; - - // repulsing forces between nodes - var nodeDistance = this.constants.physics.hierarchicalRepulsion.nodeDistance; - - // we loop from i over all but the last entree in the array - // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j - for (i = 0; i < nodeIndices.length - 1; i++) { - node1 = nodes[nodeIndices[i]]; - for (j = i + 1; j < nodeIndices.length; j++) { - node2 = nodes[nodeIndices[j]]; - - // nodes only affect nodes on their level - if (node1.level == node2.level) { - - dx = node2.x - node1.x; - dy = node2.y - node1.y; - distance = Math.sqrt(dx * dx + dy * dy); - + exports._repositionBezierNodes = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + node.dynamicEdges[i].positionBezierNode(); + } + }; - var steepness = 0.05; - if (distance < nodeDistance) { - repulsingForce = -Math.pow(steepness*distance,2) + Math.pow(steepness*nodeDistance,2); - } - else { - repulsingForce = 0; - } - // normalize force with - if (distance == 0) { - distance = 0.01; - } - else { - repulsingForce = repulsingForce / distance; - } - fx = dx * repulsingForce; - fy = dy * repulsingForce; - node1.fx -= fx; - node1.fy -= fy; - node2.fx += fx; - node2.fy += fy; - } - } + /** + * This function 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 + * + * @private + * @param {Boolean} force + */ + exports._formClusters = function(force) { + if (force == false) { + this._formClustersByZoom(); + } + else { + this._forceClustersByZoom(); } }; /** - * this function calculates the effects of the springs in the case of unsmooth curves. + * This function handles the clustering by zooming out, this is based on a minimum edge distance * * @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; - } - + exports._formClustersByZoom = function() { + var dx,dy,length, + minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; - // forces caused by the edges, modelled as springs - for (edgeId in edges) { - if (edges.hasOwnProperty(edgeId)) { - edge = edges[edgeId]; + // 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) { - // 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 (edge.toId != edge.fromId) { + dx = (edge.to.x - edge.from.x); + dy = (edge.to.y - edge.from.y); + length = Math.sqrt(dx * dx + dy * dy); - if (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; + 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; + } - fx = dx * springForce; - fy = dy * springForce; + if (childNode.dynamicEdgesLength == 1) { + this._addToCluster(parentNode,childNode,false); + } + else if (parentNode.dynamicEdgesLength == 1) { + this._addToCluster(childNode,parentNode,false); + } + } + } + } + } + } + }; + /** + * This function forces the network to cluster all nodes with only one connecting edge to their + * connected node. + * + * @private + */ + exports._forceClustersByZoom = function() { + for (var nodeId in this.nodes) { + // another node could have absorbed this child. + if (this.nodes.hasOwnProperty(nodeId)) { + var childNode = this.nodes[nodeId]; + // the edges can be swallowed by another decrease + if (childNode.dynamicEdgesLength == 1 && childNode.dynamicEdges.length != 0) { + var edge = childNode.dynamicEdges[0]; + var parentNode = (edge.toId == childNode.id) ? this.nodes[edge.fromId] : this.nodes[edge.toId]; - if (edge.to.level != edge.from.level) { - edge.to.springFx -= fx; - edge.to.springFy -= fy; - edge.from.springFx += fx; - edge.from.springFy += fy; + // group to the largest node + if (childNode.id != parentNode.id) { + if (parentNode.options.mass > childNode.options.mass) { + this._addToCluster(parentNode,childNode,true); } 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; + this._addToCluster(childNode,parentNode,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; - } + /** + * To keep the nodes of roughly equal size we normalize the cluster levels. + * This function clusters a node to its smallest connected neighbour. + * + * @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; + } - // 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; + if (neighbour != null && smallestNeighbour > neighbour.clusterSessions.length) { + smallestNeighbour = neighbour.clusterSessions.length; + smallestNeighbourNode = neighbour; + } + } } + if (neighbour != null && this.nodes[neighbour.id] !== undefined) { + this._addToCluster(neighbour, node, true); + } }; -/***/ }, -/* 63 */ -/***/ 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 forms clusters from hubs, it loops over all nodes * + * @param {Boolean} force | Disregard zoom level + * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges * @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); - - 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); - } + 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 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 forms a cluster from a specific preselected hub node * - * @param parentBranch - * @param 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._getForceContribution = function(parentBranch,node) { - // we get no force contribution from an empty region - if (parentBranch.childrenCount > 0) { - var dx,dy,distance; + 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; - // 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); + // 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); + } - // BarnesHut condition - // original condition : s/d < thetaInverted = passed === d/s > 1/theta = passed - // calcSize = 1/s --> d * 1/s > 1/theta = passed - if (distance * parentBranch.calcSize > this.constants.physics.barnesHut.thetaInverted) { - // duplicate code to reduce function calls to speed up program - if (distance == 0) { - distance = 0.1*Math.random(); - dx = distance; + // if the hub clustering is not forces, we check if one of the edges connected + // to a cluster is small enough based on the constants.clustering.clusterEdgeThreshold + if (force == false) { + allowCluster = false; + for (j = 0; j < amountOfInitialEdges; j++) { + var edge = this.edges[edgesIdarray[j]]; + if (edge !== undefined) { + if (edge.connected) { + if (edge.toId != edge.fromId) { + dx = (edge.to.x - edge.from.x); + dy = (edge.to.y - edge.from.y); + length = Math.sqrt(dx * dx + dy * dy); + + if (length < minLength) { + allowCluster = true; + break; + } + } + } + } } - 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; + + // 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); } - 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 constructs the barnesHut tree recursively. It creates the root, splits it and starts placing the nodes. + * This function adds the child node to the parent node, creating a cluster if it is not already. * - * @param nodes - * @param nodeIndices + * @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._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._addToCluster = function(parentNode, childNode, force) { + // join child node in the parent node + parentNode.containedNodes[childNode.id] = childNode; - // 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; } + // 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); } } - // 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 + // a contained node has no dynamic edges. + childNode.dynamicEdges = []; + // remove circular edges from clusters + this._containCircularEdgesFromNode(parentNode,childNode); - var minimumTreeSize = 1e-5; - var rootSize = Math.max(minimumTreeSize,Math.abs(maxX - minX)); - var halfRootSize = 0.5 * rootSize; - var centerX = 0.5 * (minX + maxX), centerY = 0.5 * (minY + maxY); - // construct the barnesHutTree - var barnesHutTree = { - root:{ - centerOfMass: {x:0, y:0}, - mass:0, - range: { - minX: centerX-halfRootSize,maxX:centerX+halfRootSize, - minY: centerY-halfRootSize,maxY:centerY+halfRootSize - }, - size: rootSize, - calcSize: 1 / rootSize, - children: { data:null}, - maxWidth: 0, - level: 0, - childrenCount: 4 - } - }; - this._splitBranch(barnesHutTree.root); + // remove the childNode from the global nodes object + delete this.nodes[childNode.id]; - // 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); - } - } + // 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); - // make global - this.barnesHutTree = barnesHutTree - }; + // keep track of the clustersessions so we can open the cluster up as it has been formed. + if (parentNode.clusterSessions[parentNode.clusterSessions.length - 1] != this.clusterSession) { + parentNode.clusterSessions.push(this.clusterSession); + } + // forced clusters only open from screen size and double tap + if (force == true) { + // parentNode.formationScale = Math.pow(1 - (1.0/11.0),this.clusterSession+3); + parentNode.formationScale = 0; + } + else { + parentNode.formationScale = this.scale; // The latest child has been added on this scale + } - /** - * this updates the mass of a branch. this is increased by adding a node. - * - * @param parentBranch - * @param node - * @private - */ - exports._updateBranchMass = function(parentBranch, node) { - var totalMass = parentBranch.mass + node.options.mass; - var totalMassInv = 1/totalMass; + // recalculate the size of the node on the next time the node is rendered + parentNode.clearSizeCache(); - parentBranch.centerOfMass.x = parentBranch.centerOfMass.x * parentBranch.mass + node.x * node.options.mass; - parentBranch.centerOfMass.x *= totalMassInv; + // set the pop-out scale for the childnode + parentNode.containedNodes[childNode.id].formationScale = parentNode.formationScale; - parentBranch.centerOfMass.y = parentBranch.centerOfMass.y * parentBranch.mass + node.y * node.options.mass; - parentBranch.centerOfMass.y *= totalMassInv; + // nullify the movement velocity of the child, this is to avoid hectic behaviour + childNode.clearVelocity(); - parentBranch.mass = totalMass; - var biggestSize = Math.max(Math.max(node.height,node.radius),node.width); - parentBranch.maxWidth = (parentBranch.maxWidth < biggestSize) ? biggestSize : parentBranch.maxWidth; + // 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; }; /** - * determine in which branch the node will be placed. - * - * @param parentBranch - * @param node - * @param skipMassUpdate + * 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._placeInTree = function(parentBranch,node,skipMassUpdate) { - if (skipMassUpdate != true || skipMassUpdate === undefined) { - // update the mass of the branch. - this._updateBranchMass(parentBranch,node); - } + 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 (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 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; } }; /** - * actually place the node in a region (or branch) + * This adds an edge from the childNode to the contained edges of the parent node * - * @param parentBranch - * @param node - * @param region + * @param parentNode | Node object + * @param childNode | Node object + * @param edge | Edge object * @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); - } - break; - case 4: // place in branch - this._placeInTree(parentBranch.children[region],node); + exports._addToContainedEdges = function(parentNode, childNode, edge) { + // create an array object if it does not yet exist for this childNode + if (!(parentNode.containedEdges.hasOwnProperty(childNode.id))) { + parentNode.containedEdges[childNode.id] = [] + } + // add this edge to the list + parentNode.containedEdges[childNode.id].push(edge); + + // 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; + } + } + }; + + /** + * This function connects an edge that was connected to a child node to the parent node. + * It keeps track of which nodes it has been connected to with the originalId array. + * + * @param {Node} parentNode | Node object + * @param {Node} childNode | Node object + * @param {Edge} edge | Edge object + * @private + */ + exports._connectEdgeToCluster = function(parentNode, childNode, edge) { + // handle circular edges + if (edge.toId == edge.fromId) { + this._addToContainedEdges(parentNode, childNode, edge); + } + else { + if (edge.toId == childNode.id) { // edge connected to other node on the "to" side + edge.originalToId.push(childNode.id); + edge.to = parentNode; + edge.toId = parentNode.id; + } + else { // edge connected to other node with the "from" side + + edge.originalFromId.push(childNode.id); + edge.from = parentNode; + edge.fromId = parentNode.id; + } + + this._addToReroutedEdges(parentNode,childNode,edge); } }; /** - * 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. + * 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 parentBranch + * @param parentNode + * @param childNode * @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; - } - 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); + 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 function subdivides the region into four new segments. - * Specifically, this inserts a single new segment. - * It fills the children section of the parentBranch + * This adds an edge from the childNode to the rerouted edges of the parent node * - * @param parentBranch - * @param region - * @param parentRange + * @param parentNode | Node object + * @param childNode | Node object + * @param edge | Edge object * @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._addToReroutedEdges = function(parentNode, childNode, edge) { + // create an array object if it does not yet exist for this childNode + // we store the edge in the rerouted edges so we can restore it when the cluster pops open + if (!(parentNode.reroutedEdges.hasOwnProperty(childNode.id))) { + parentNode.reroutedEdges[childNode.id] = []; } + parentNode.reroutedEdges[childNode.id].push(edge); + // this edge becomes part of the dynamicEdges of the cluster node + parentNode.dynamicEdges.push(edge); + }; - 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 is for debugging purposed, it draws the tree. + * This function connects an edge that was connected to a cluster node back to the child node. * - * @param ctx - * @param color + * @param parentNode | Node object + * @param childNode | Node object * @private */ - exports._drawTree = function(ctx,color) { - if (this.barnesHutTree !== undefined) { + 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; + } - ctx.lineWidth = 1; + // append this edge to the list of edges connecting to the childnode + childNode.dynamicEdges.push(edge); - this._drawBranch(this.barnesHutTree.root,ctx,color); + // 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 function is for debugging purposes. It draws the branches recursively. + * When loops are clustered, an edge can be both in the rerouted array and the contained array. + * This function is called last to verify that all edges in dynamicEdges are in fact connected to the + * parentNode * - * @param branch - * @param ctx - * @param color + * @param parentNode | Node object * @private */ - exports._drawBranch = function(branch,ctx,color) { - if (color === undefined) { - color = "#FF0000"; + 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); + } } + }; - 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(); - ctx.beginPath(); - ctx.moveTo(branch.range.maxX,branch.range.minY); - ctx.lineTo(branch.range.maxX,branch.range.maxY); - 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.maxY); - ctx.lineTo(branch.range.minX,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.minX,branch.range.maxY); - ctx.lineTo(branch.range.minX,branch.range.minY); - 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]; - /* - 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); - // updates the lables after clustering - this.updateLabels(); + // ------------------- UTILITY FUNCTIONS ---------------------------- // - // 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 function clusters until the initialMaxNodes has been reached - * - * @param {Number} maxNumberOfNodes - * @param {Boolean} reposition + * This updates the node labels for all nodes (for debugging purposes) */ - exports.clusterToFit = function(maxNumberOfNodes, reposition) { - var numberOfNodes = this.nodeIndices.length; - - 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 + 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),"]"); + } } - - 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(); + // 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); + } + } + } } - this._updateCalculationNodes(); + + // /* Debug Override */ + // for (nodeId in this.nodes) { + // if (this.nodes.hasOwnProperty(nodeId)) { + // node = this.nodes[nodeId]; + // node.label = String(node.level); + // } + // } + }; + /** - * 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. + * 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.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.normalizeClusterLevels = function() { + var maxLevel = 0; + var minLevel = 1e9; + var clusterLevel = 0; + var nodeId; - // we decluster until we reach a decent number of nodes - while ((this.nodeIndices.length < this.constants.clustering.initialMaxNodes) && (level < 10)) { - this.decreaseClusterLevel(); - level += 1; + // 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;} } - } - else { - this._expandClusterNode(node,false,true); - // update the index list, dynamic edges and labels + 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(); - 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(); + // if a cluster was formed, we increase the clusterSession + if (this.nodeIndices.length != amountOfNodes) { + this.clusterSession += 1; + } } }; - /** - * This calls the updateClustes with default arguments - */ - exports.updateClustersDefault = function() { - if (this.constants.clustering.enabled == true) { - this.updateClusters(0,false,false); - } - }; - /** - * 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. + * 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.increaseClusterLevel = function() { - this.updateClusters(-1,false,true); + 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 + ) }; /** - * 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 is an adaptation of the original repositioning function. This is called if the system is clustered initially + * It puts large clusters away from the center and randomizes the order. + * */ - exports.decreaseClusterLevel = function() { - this.updateClusters(1,false,true); + 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 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 + * We determine how many connections denote an important hub. + * We take the mean + 2*std as the important hub size. (Assuming a normal distribution of data, ~2.2%) * + * @private */ - exports.updateClusters = function(zoomDirection,recursive,force,doNotStart) { - var isMovingBeforeClustering = this.moving; - var amountOfNodes = this.nodeIndices.length; + exports._getHubSize = function() { + var average = 0; + var averageSquared = 0; + var hubCounter = 0; + var largestHub = 0; - // 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(); - } + for (var i = 0; i < this.nodeIndices.length; i++) { - // 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(); + 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; } - this._updateNodeIndexList(); + average = average / hubCounter; + averageSquared = averageSquared / hubCounter; - // 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(); - } + var variance = averageSquared - Math.pow(average,2); - // we now reduce chains. - if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out - this.handleChains(); - this._updateNodeIndexList(); + var standardDeviation = Math.sqrt(variance); + + this.hubThreshold = Math.floor(average + 2*standardDeviation); + + // always have at least one to cluster + if (this.hubThreshold > largestHub) { + this.hubThreshold = largestHub; } - this.previousScale = this.scale; + // console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); + // console.log("hubThreshold:",this.hubThreshold); + }; - // rest of the update the index list, dynamic edges and labels - this._updateDynamicEdges(); - this.updateLabels(); - // if a cluster was formed, we increase the clusterSession - if (this.nodeIndices.length < amountOfNodes) { // this means a clustering operation has taken place - this.clusterSession += 1; - // if clusters have been made, we normalize the cluster level - this.normalizeClusterLevels(); + /** + * We reduce the amount of "extension nodes" or chains. These are not quickly clustered with the outliers and hubs methods + * with this amount we can cluster specifically on these chains. + * + * @param {Number} fraction | between 0 and 1, the percentage of chains to reduce + * @private + */ + exports._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; + } + } + } } + }; - 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 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; } } - - this._updateCalculationNodes(); + return chains/total; }; + +/***/ }, +/* 61 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Node = __webpack_require__(40); + /** - * This function handles the chains. It is called on every updateClusters(). + * 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. */ - exports.handleChains = function() { - // after clustering we check how many chains there are - var chainPercentage = this._getChainFraction(); - if (chainPercentage > this.constants.clustering.chainThreshold) { - this._reduceAmountOfChains(1 - this.constants.clustering.chainThreshold / chainPercentage) - - } - }; /** - * this functions starts clustering by hubs - * The minimum hub threshold is set globally + * This 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._aggregateHubs = function(force) { - this._getHubSize(); - this._formClustersByHub(force,false); + 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 function is fired by keypress. It forces hubs to form. + * /** + * 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.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; + exports._switchToSector = function(sectorId, sectorType) { + if (sectorType === undefined || sectorType == "active") { + this._switchToActiveSector(sectorId); } - - if (doNotStart == false || doNotStart === undefined) { - // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded - if (this.moving != isMovingBeforeClustering) { - this.start(); - } + else { + this._switchToFrozenSector(sectorId); } }; + /** - * If a cluster takes up more than a set percentage of the screen, open the cluster + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. * + * @param sectorId * @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); - } - } - } - } + exports._switchToActiveSector = function(sectorId) { + this.nodeIndices = this.sectors["active"][sectorId]["nodeIndices"]; + this.nodes = this.sectors["active"][sectorId]["nodes"]; + this.edges = this.sectors["active"][sectorId]["edges"]; }; /** - * This function 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. + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. * * @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(); - } + exports._switchToSupportSector = function() { + this.nodeIndices = this.sectors["support"]["nodeIndices"]; + this.nodes = this.sectors["support"]["nodes"]; + this.edges = this.sectors["support"]["edges"]; }; + /** - * 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. + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied frozen 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 + * @param sectorId * @private */ - 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; + 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"]; + }; - // 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 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()); }; + /** - * 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. + * This function returns the currently active sector Id * - * @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 + * @returns {String} * @private */ - exports._expelChildFromParent = function(parentNode, containedNodeId, recursive, force, openAll) { - var childNode = parentNode.containedNodes[containedNodeId]; + exports._sector = function() { + return this.activeSector[this.activeSector.length-1]; + }; - // if child node has been added on smaller scale than current, kick out - if (childNode.formationScale < this.scale || force == true) { - // unselect all selected items - this._unselectAll(); - // put the child node back in the global nodes object - this.nodes[containedNodeId] = childNode; + /** + * This function returns the previously active sector Id + * + * @returns {String} + * @private + */ + exports._previousSector = function() { + if (this.activeSector.length > 1) { + return this.activeSector[this.activeSector.length-2]; + } + else { + throw new TypeError('there are not enough sectors in the this.activeSector array.'); + } + }; - // 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); + /** + * We add the active sector at the end of the this.activeSector array + * This ensures it is the currently active sector returned by _sector() and it reaches the top + * of the activeSector stack. When we reverse our steps we move from the end to the beginning of this stack. + * + * @param newId + * @private + */ + exports._setActiveSector = function(newId) { + this.activeSector.push(newId); + }; - // 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; + /** + * We remove the currently active sector id from the active sector stack. This happens when + * we reactivate the previously active sector + * + * @private + */ + exports._forgetLastSector = function() { + this.activeSector.pop(); + }; - // 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]; + /** + * This function creates a new active sector with the supplied newId. This newId + * is the expanding node id. + * + * @param {String} newId | Id of the new active sector + * @private + */ + exports._createNewSector = function(newId) { + // create the new sector + this.sectors["active"][newId] = {"nodes":{}, + "edges":{}, + "nodeIndices":[], + "formationScale": this.scale, + "drawingNode": undefined}; - // 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; + // 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 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; - } - - // check if a further expansion step is possible if recursivity is enabled - if (recursive == true) { - this._expandClusterNode(childNode,recursive,force,openAll); - } + },{},{},this.constants); + this.sectors["active"][newId]['drawingNode'].clusterSize = 2; }; /** - * position the bezier nodes at the center of the edges + * This function removes the currently active sector. This is called when we create a new + * active sector. * - * @param node + * @param {String} sectorId | Id of the active sector that will be removed * @private */ - exports._repositionBezierNodes = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - node.dynamicEdges[i].positionBezierNode(); - } + exports._deleteActiveSector = function(sectorId) { + delete this.sectors["active"][sectorId]; }; /** - * 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 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 - * @param {Boolean} force */ - exports._formClusters = function(force) { - if (force == false) { - this._formClustersByZoom(); - } - else { - this._forceClustersByZoom(); - } + exports._deleteFrozenSector = function(sectorId) { + delete this.sectors["frozen"][sectorId]; }; /** - * This function handles the clustering by zooming out, this is based on a minimum edge distance + * 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._formClustersByZoom = function() { - var dx,dy,length, - minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; - - // check if any edges are shorter than minLength and start the clustering - // the clustering favours the node with the larger mass - for (var edgeId in this.edges) { - if (this.edges.hasOwnProperty(edgeId)) { - var edge = this.edges[edgeId]; - if (edge.connected) { - if (edge.toId != edge.fromId) { - dx = (edge.to.x - edge.from.x); - dy = (edge.to.y - edge.from.y); - length = Math.sqrt(dx * dx + dy * dy); - - - if (length < minLength) { - // first check which node is larger - var parentNode = edge.from; - var childNode = edge.to; - if (edge.to.options.mass > edge.from.options.mass) { - parentNode = edge.to; - childNode = edge.from; - } + exports._freezeSector = function(sectorId) { + // we move the set references from the active to the frozen stack. + this.sectors["frozen"][sectorId] = this.sectors["active"][sectorId]; - if (childNode.dynamicEdgesLength == 1) { - this._addToCluster(parentNode,childNode,false); - } - else if (parentNode.dynamicEdgesLength == 1) { - this._addToCluster(childNode,parentNode,false); - } - } - } - } - } - } + // we have moved the sector data into the frozen set, we now remove it from the active set + this._deleteActiveSector(sectorId); }; + /** - * This function forces the network to cluster all nodes with only one connecting edge to their - * connected node. + * This is the reverse operation of _freezeSector. Activating means moving the sector from the "frozen" + * object to the "active" object. * + * @param sectorId * @private */ - exports._forceClustersByZoom = function() { - for (var nodeId in this.nodes) { - // another node could have absorbed this child. - if (this.nodes.hasOwnProperty(nodeId)) { - var childNode = this.nodes[nodeId]; - - // the edges can be swallowed by another decrease - if (childNode.dynamicEdgesLength == 1 && childNode.dynamicEdges.length != 0) { - var edge = childNode.dynamicEdges[0]; - var parentNode = (edge.toId == childNode.id) ? this.nodes[edge.fromId] : this.nodes[edge.toId]; + exports._activateSector = function(sectorId) { + // we move the set references from the frozen to the active stack. + this.sectors["active"][sectorId] = this.sectors["frozen"][sectorId]; - // 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 have moved the sector data into the active set, we now remove it from the frozen stack + this._deleteFrozenSector(sectorId); }; /** - * 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 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 node + * @param sectorId * @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._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]; + } + } - if (neighbour != null && smallestNeighbour > neighbour.clusterSessions.length) { - smallestNeighbour = neighbour.clusterSessions.length; - smallestNeighbourNode = neighbour; - } + // 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]; } } - if (neighbour != null && this.nodes[neighbour.id] !== undefined) { - this._addToCluster(neighbour, node, true); + // merge the nodeIndices + for (var i = 0; i < this.nodeIndices.length; i++) { + this.sectors["frozen"][sectorId]["nodeIndices"].push(this.nodeIndices[i]); } }; /** - * This function forms clusters from hubs, it loops over all nodes + * 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. * - * @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._collapseThisToSingleCluster = function() { + this.clusterToFit(1,false); }; + /** - * This function forms a cluster from a specific preselected hub node + * We create a new active sector from the node that we want to open. * - * @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 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; + exports._addSector = function(node) { + // this is the currently active sector + var sector = this._sector(); - // 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); - } + // // 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 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); + // 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]; - if (length < minLength) { - allowCluster = true; - break; - } - } - } - } - } - } + var unqiueIdentifier = util.randomUUID(); + + // we fully freeze the currently active sector + this._freezeSector(sector); - // 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); - } - } - } - } - } - }; + // 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; + }; /** - * This function adds the child node to the parent node, creating a cluster if it is not already. + * 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. * - * @param {Node} parentNode | this is the node that will house the child node - * @param {Node} childNode | this node will be deleted from the global this.nodes and stored in the parent node - * @param {Boolean} force | true will only update the remainingEdges at the very end of the clustering, ensuring single level collapse * @private */ - exports._addToCluster = function(parentNode, childNode, force) { - // join child node in the parent node - parentNode.containedNodes[childNode.id] = childNode; - - // manage all the edges connected to the child and parent nodes - for (var i = 0; i < childNode.dynamicEdges.length; i++) { - var edge = childNode.dynamicEdges[i]; - if (edge.toId == parentNode.id || edge.fromId == parentNode.id) { // edge connected to parentNode - this._addToContainedEdges(parentNode,childNode,edge); - } - else { - this._connectEdgeToCluster(parentNode,childNode,edge); - } - } - // a contained node has no dynamic edges. - childNode.dynamicEdges = []; - - // remove circular edges from clusters - this._containCircularEdgesFromNode(parentNode,childNode); - + exports._collapseSector = function() { + // the currently active sector + var sector = this._sector(); - // remove the childNode from the global nodes object - delete this.nodes[childNode.id]; + // 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(); - // 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); + // we collapse the sector back to a single cluster + this._collapseThisToSingleCluster(); - // 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); - } + // we move the remaining nodes, edges and nodeIndices to the previous sector. + // This previous sector is the one we will reactivate + this._mergeThisWithFrozen(previousSector); - // 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 - } + // 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); - // recalculate the size of the node on the next time the node is rendered - parentNode.clearSizeCache(); + // we activate the previously active (and currently frozen) sector. + this._activateSector(previousSector); - // set the pop-out scale for the childnode - parentNode.containedNodes[childNode.id].formationScale = parentNode.formationScale; + // we load the references from the newly active sector into the global references + this._switchToSector(previousSector); - // nullify the movement velocity of the child, this is to avoid hectic behaviour - childNode.clearVelocity(); + // we forget the previously active sector because we reverted to the one before + this._forgetLastSector(); - // the mass has altered, preservation of energy dictates the velocity to be updated - parentNode.updateVelocity(massBefore); + // finally, we update the node index list. + this._updateNodeIndexList(); - // restart the simulation to reorganise all nodes - this.moving = true; + // we refresh the list with calulation nodes and calculation node indices. + this._updateCalculationNodes(); + } + } }; /** - * 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 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._updateDynamicEdges = function() { - for (var i = 0; i < this.nodeIndices.length; i++) { - var node = this.nodes[this.nodeIndices[i]]; - node.dynamicEdgesLength = node.dynamicEdges.length; - - // this corrects for multiple edges pointing at the same other node - var correction = 0; - if (node.dynamicEdgesLength > 1) { - for (var j = 0; j < node.dynamicEdgesLength - 1; j++) { - var edgeToId = node.dynamicEdges[j].toId; - var edgeFromId = node.dynamicEdges[j].fromId; - for (var k = j+1; k < node.dynamicEdgesLength; k++) { - if ((node.dynamicEdges[k].toId == edgeToId && node.dynamicEdges[k].fromId == edgeFromId) || - (node.dynamicEdges[k].fromId == edgeToId && node.dynamicEdges[k].toId == edgeFromId)) { - correction += 1; - } + exports._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) ); } } } - node.dynamicEdgesLength -= correction; } + // we revert the global references back to our active sector + this._loadLatestSector(); + return returnValues; }; /** - * This adds an edge from the childNode to the contained edges of the parent node + * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). * - * @param parentNode | Node object - * @param childNode | Node object - * @param edge | Edge object + * @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._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._doInSupportSector = function(runFunction,argument) { + var returnValues = false; + if (argument === undefined) { + this._switchToSupportSector(); + returnValues = this[runFunction](); } - // 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; + 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; }; + /** - * 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. + * This runs a function in all frozen sectors. This is used in the _redraw(). * - * @param {Node} parentNode | Node object - * @param {Node} childNode | Node object - * @param {Edge} edge | Edge object + * @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._connectEdgeToCluster = function(parentNode, childNode, edge) { - // handle circular edges - if (edge.toId == edge.fromId) { - this._addToContainedEdges(parentNode, childNode, edge); + 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 { - 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; + 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._addToReroutedEdges(parentNode,childNode,edge); } + this._loadLatestSector(); }; /** - * 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 runs a function in all sectors. This is used in the _redraw(). * - * @param parentNode - * @param childNode + * @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._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._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); } } }; /** - * This adds an edge from the childNode to the rerouted edges of the parent node + * 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. * - * @param parentNode | Node object - * @param childNode | Node object - * @param edge | Edge object * @private */ - exports._addToReroutedEdges = function(parentNode, childNode, edge) { - // create an array object if it does not yet exist for this childNode - // we store the edge in the rerouted edges so we can restore it when the cluster pops open - if (!(parentNode.reroutedEdges.hasOwnProperty(childNode.id))) { - parentNode.reroutedEdges[childNode.id] = []; - } - parentNode.reroutedEdges[childNode.id].push(edge); - - // this edge becomes part of the dynamicEdges of the cluster node - parentNode.dynamicEdges.push(edge); - }; - + exports._clearNodeIndexList = function() { + var sector = this._sector(); + this.sectors["active"][sector]["nodeIndices"] = []; + this.nodeIndices = this.sectors["active"][sector]["nodeIndices"]; + }; /** - * This function connects an edge that was connected to a cluster node back to the child node. + * Draw the encompassing sector node * - * @param parentNode | Node object - * @param childNode | Node object + * @param ctx + * @param sectorType * @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._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) { - // append this edge to the list of edges connecting to the childnode - childNode.dynamicEdges.push(edge); + this._switchToSector(sector,sectorType); - // 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; + 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); } } - // remove the entry from the rerouted edges - delete parentNode.reroutedEdges[childNode.id]; } }; + 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); /** - * 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 can be called from the _doInAllSectors function * - * @param parentNode | Node object + * @param object + * @param overlappingNodes * @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._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 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 | + * 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._releaseContainedEdges = function(parentNode, childNode) { - for (var i = 0; i < parentNode.containedEdges[childNode.id].length; i++) { - var edge = parentNode.containedEdges[childNode.id][i]; + exports._getAllNodesOverlappingWith = function (object) { + var overlappingNodes = []; + this._doInAllActiveSectors("_getNodesOverlappingWith",object,overlappingNodes); + return overlappingNodes; + }; - // 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); - } - // remove the entry from the contained edges - delete parentNode.containedEdges[childNode.id]; + /** + * 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 + }; }; + /** + * 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); - - // ------------------- UTILITY FUNCTIONS ---------------------------- // + // if there are overlapping nodes, select the last one, this is the + // one which is drawn on top of the others + if (overlappingNodes.length > 0) { + return this.nodes[overlappingNodes[overlappingNodes.length - 1]]; + } + else { + return null; + } + }; /** - * This updates the node labels for all nodes (for debugging purposes) + * 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.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._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); } } } + }; - // update node labels - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.clusterSize == 1) { - if (node.originalLabel !== undefined) { - node.label = node.originalLabel; - } - else { - node.label = String(node.id); - } - } - } - } - // /* Debug Override */ - // for (nodeId in this.nodes) { - // if (this.nodes.hasOwnProperty(nodeId)) { - // node = this.nodes[nodeId]; - // node.label = String(node.level); - // } - // } + /** + * retrieve 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; + }; + + /** + * 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._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; + } }; /** - * 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. + * Add object to the selection array. + * + * @param obj + * @private */ - 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;} - } + exports._addToSelection = function(obj) { + if (obj instanceof Node) { + this.selectionObj.nodes[obj.id] = obj; } - - 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; - } + else { + this.selectionObj.edges[obj.id] = obj; } }; - - /** - * This function determines if the cluster we want to decluster is in the active area - * this means around the zoom center + * Add object to the selection array. * - * @param {Node} node - * @returns {boolean} + * @param obj * @private */ - exports._nodeInActiveArea = function(node) { - return ( - Math.abs(node.x - this.areaCenter.x) <= this.constants.clustering.activeAreaBoxSize/this.scale - && - Math.abs(node.y - this.areaCenter.y) <= this.constants.clustering.activeAreaBoxSize/this.scale - ) + exports._addToHover = function(obj) { + if (obj instanceof Node) { + this.hoverObj.nodes[obj.id] = obj; + } + else { + this.hoverObj.edges[obj.id] = obj; + } }; /** - * 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. + * Remove a single option from selection. * + * @param {Object} obj + * @private */ - 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._removeFromSelection = function(obj) { + if (obj instanceof Node) { + delete this.selectionObj.nodes[obj.id]; + } + else { + delete this.selectionObj.edges[obj.id]; } }; - /** - * 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%) + * Unselect all. The selectionObj is useful for this. * + * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._getHubSize = function() { - var average = 0; - var averageSquared = 0; - var hubCounter = 0; - var largestHub = 0; - - for (var i = 0; i < this.nodeIndices.length; i++) { - - var node = this.nodes[this.nodeIndices[i]]; - if (node.dynamicEdgesLength > largestHub) { - largestHub = node.dynamicEdgesLength; + 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(); } - average += node.dynamicEdgesLength; - averageSquared += Math.pow(node.dynamicEdgesLength,2); - hubCounter += 1; } - average = average / hubCounter; - averageSquared = averageSquared / hubCounter; - var variance = averageSquared - Math.pow(average,2); + this.selectionObj = {nodes:{},edges:{}}; - var standardDeviation = Math.sqrt(variance); + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } + }; - this.hubThreshold = Math.floor(average + 2*standardDeviation); + /** + * Unselect all clusters. The selectionObj is useful for this. + * + * @param {Boolean} [doNotTrigger] | ignore trigger + * @private + */ + exports._unselectClusters = function(doNotTrigger) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } - // always have at least one to cluster - if (this.hubThreshold > largestHub) { - this.hubThreshold = largestHub; + 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]); + } + } } - // console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); - // console.log("hubThreshold:",this.hubThreshold); + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } }; /** - * 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. + * return the number of selected nodes * - * @param {Number} fraction | between 0 and 1, the percentage of chains to reduce + * @returns {number} * @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._getSelectedNodeCount = function() { + var count = 0; + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + count += 1; } } + return count; }; /** - * 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. + * return the selected node * + * @returns {number} * @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; + exports._getSelectedNode = function() { + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + return this.selectionObj.nodes[nodeId]; } } - return chains/total; + return null; }; - -/***/ }, -/* 65 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var Node = __webpack_require__(56); - /** - * Creation of the SectorMixin var. + * return the selected edge * - * 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. + * @returns {number} + * @private */ + exports._getSelectedEdge = function() { + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + return this.selectionObj.edges[edgeId]; + } + } + return null; + }; + /** - * 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. + * return the number of selected edges * + * @returns {number} * @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; + exports._getSelectedEdgeCount = function() { + var count = 0; + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + count += 1; + } + } + return count; }; /** - * /** - * 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 + * return the number of selected objects. * - * @param {String} sectorId - * @param {String} [sectorType] | "active" or "frozen" + * @returns {number} * @private */ - exports._switchToSector = function(sectorId, sectorType) { - if (sectorType === undefined || sectorType == "active") { - this._switchToActiveSector(sectorId); + exports._getSelectedObjectCount = function() { + var count = 0; + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + count += 1; + } } - else { - this._switchToFrozenSector(sectorId); + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + count += 1; + } } + return count; }; - /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied active sector. + * Check if anything is selected * - * @param sectorId + * @returns {boolean} * @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"]; + 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; }; /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied active sector. + * check if one of the selected nodes is a cluster. * + * @returns {boolean} * @private */ - exports._switchToSupportSector = function() { - this.nodeIndices = this.sectors["support"]["nodeIndices"]; - this.nodes = this.sectors["support"]["nodes"]; - this.edges = this.sectors["support"]["edges"]; + 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; }; - /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied frozen sector. + * select the edges connected to the node that is being selected * - * @param sectorId + * @param {Node} node * @private */ - exports._switchToFrozenSector = function(sectorId) { - this.nodeIndices = this.sectors["frozen"][sectorId]["nodeIndices"]; - this.nodes = this.sectors["frozen"][sectorId]["nodes"]; - this.edges = this.sectors["frozen"][sectorId]["edges"]; + exports._selectConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.select(); + this._addToSelection(edge); + } }; - /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the currently active sector. + * select the edges connected to the node that is being selected * + * @param {Node} node * @private */ - exports._loadLatestSector = function() { - this._switchToSector(this._sector()); + exports._hoverConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.hover = true; + this._addToHover(edge); + } }; /** - * This function returns the currently active sector Id + * unselect the edges connected to the node that is being selected * - * @returns {String} + * @param {Node} node * @private */ - exports._sector = function() { - return this.activeSector[this.activeSector.length-1]; + exports._unselectConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.unselect(); + this._removeFromSelection(edge); + } }; + + /** - * This function returns the previously active sector Id + * This is called when someone clicks on a node. either select or deselect it. + * If there is an existing selection and we don't want to append to it, clear the existing selection * - * @returns {String} + * @param {Node || Edge} object + * @param {Boolean} append + * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._previousSector = function() { - if (this.activeSector.length > 1) { - return this.activeSector[this.activeSector.length-2]; + exports._selectObject = function(object, append, doNotTrigger, highlightEdges, overrideSelectable) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } + if (highlightEdges === undefined) { + highlightEdges = true; + } + + if (this._selectionIsEmpty() == false && append == false && this.forceAppendSelection == false) { + this._unselectAll(true); + } + + // 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 { - throw new TypeError('there are not enough sectors in the this.activeSector array.'); + object.unselect(); + this._removeFromSelection(object); + } + + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); } }; /** - * 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. + * 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 newId + * @param {Node || Edge} object * @private */ - exports._setActiveSector = function(newId) { - this.activeSector.push(newId); + exports._blurObject = function(object) { + if (object.hover == true) { + object.hover = false; + this.emit("blurNode",{node:object.id}); + } }; - /** - * We remove the currently active sector id from the active sector stack. This happens when - * we reactivate the previously active sector + * 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._forgetLastSector = function() { - this.activeSector.pop(); + exports._hoverObject = function(object) { + if (object.hover == false) { + object.hover = true; + this._addToHover(object); + if (object instanceof Node) { + this.emit("hoverNode",{node:object.id}); + } + } + if (object instanceof Node) { + this._hoverConnectedEdges(object); + } }; /** - * This function creates a new active sector with the supplied newId. This newId - * is the expanding node id. + * 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 {String} newId | Id of the new active sector + * @param {Object} pointer * @private */ - exports._createNewSector = function(newId) { - // create the new sector - this.sectors["active"][newId] = {"nodes":{}, - "edges":{}, - "nodeIndices":[], - "formationScale": this.scale, - "drawingNode": undefined}; + exports._handleTouch = function(pointer) { + }; - // 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; + + /** + * 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 removes the currently active sector. This is called when we create a new - * active sector. + * handles the selection part of the double tap and opens a cluster if needed * - * @param {String} sectorId | Id of the active sector that will be removed + * @param {Object} pointer * @private */ - exports._deleteActiveSector = function(sectorId) { - delete this.sectors["active"][sectorId]; + 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); }; /** - * This function removes the currently active sector. This is called when we reactivate - * the previously active sector. + * Handle the onHold selection part * - * @param {String} sectorId | Id of the active sector that will be removed + * @param pointer * @private */ - exports._deleteFrozenSector = function(sectorId) { - delete this.sectors["frozen"][sectorId]; + 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(); }; /** - * Freezing an active sector means moving it from the "active" object to the "frozen" object. - * We copy the references, then delete the active entree. + * handle the onRelease event. These functions are here for the navigation controls module + * and data manipulation module. * - * @param sectorId - * @private + * @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); + exports._handleOnRelease = function(pointer) { + this._manipulationReleaseOverload(pointer); + this._navigationReleaseOverload(pointer); }; + exports._manipulationReleaseOverload = function (pointer) {}; + exports._navigationReleaseOverload = function (pointer) {}; /** - * This is the reverse operation of _freezeSector. Activating means moving the sector from the "frozen" - * object to the "active" object. * - * @param sectorId - * @private + * retrieve the currently selected objects + * @return {{nodes: Array., edges: Array.}} selection */ - exports._activateSector = function(sectorId) { - // we move the set references from the frozen to the active stack. - this.sectors["active"][sectorId] = this.sectors["frozen"][sectorId]; - - // we have moved the sector data into the active set, we now remove it from the frozen stack - this._deleteFrozenSector(sectorId); + exports.getSelection = function() { + var nodeIds = this.getSelectedNodes(); + var edgeIds = this.getSelectedEdges(); + return {nodes:nodeIds, edges:edgeIds}; }; - /** - * 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 + * retrieve the currently selected nodes + * @return {String[]} selection An array with the ids of the + * selected nodes. */ - exports._mergeThisWithFrozen = function(sectorId) { - // copy all nodes - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.sectors["frozen"][sectorId]["nodes"][nodeId] = this.nodes[nodeId]; + exports.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 + }; - // 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]; + /** + * + * 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); + } } } - - // merge the nodeIndices - for (var i = 0; i < this.nodeIndices.length; i++) { - this.sectors["frozen"][sectorId]["nodeIndices"].push(this.nodeIndices[i]); - } + return idArray; }; /** - * 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 + * select zero or more nodes DEPRICATED + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. */ - exports._collapseThisToSingleCluster = function() { - this.clusterToFit(1,false); + exports.setSelection = function() { + console.log("setSelection is deprecated. Please use selectNodes instead.") }; /** - * We create a new active sector from the node that we want to open. - * - * @param node - * @private + * 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._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); + exports.selectNodes = function(selection, highlightEdges) { + var i, iMax, id; - // we create a new active sector. This sector has the Id of the node to ensure uniqueness - this._createNewSector(unqiueIdentifier); + if (!selection || (selection.length == undefined)) + throw 'Selection must be an array with ids'; - // we add the active sector to the sectors array to be able to revert these steps later on - this._setActiveSector(unqiueIdentifier); + // first unselect any selected node + this._unselectAll(true); - // we redirect the global references to the new sector's references. this._sector() now returns unqiueIdentifier - this._switchToSector(this._sector()); + for (i = 0, iMax = selection.length; i < iMax; i++) { + id = selection[i]; - // finally we add the node we removed from our previous active sector to the new active sector - this.nodes[node.id] = node; + 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(); }; /** - * 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 + * select zero or more edges + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. */ - exports._collapseSector = function() { - // the currently active sector - var sector = this._sector(); - - // we cannot collapse the default sector - if (sector != "default") { - if ((this.nodeIndices.length == 1) || - (this.sectors["active"][sector]["drawingNode"].width*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientWidth) || - (this.sectors["active"][sector]["drawingNode"].height*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientHeight)) { - var previousSector = this._previousSector(); - - // we collapse the sector back to a single cluster - this._collapseThisToSingleCluster(); - - // we move the remaining nodes, edges and nodeIndices to the previous sector. - // This previous sector is the one we will reactivate - this._mergeThisWithFrozen(previousSector); - - // the previously active (frozen) sector now has all the data from the currently active sector. - // we can now delete the active sector. - this._deleteActiveSector(sector); - - // we activate the previously active (and currently frozen) sector. - this._activateSector(previousSector); + exports.selectEdges = function(selection) { + var i, iMax, id; - // we load the references from the newly active sector into the global references - this._switchToSector(previousSector); + if (!selection || (selection.length == undefined)) + throw 'Selection must be an array with ids'; - // we forget the previously active sector because we reverted to the one before - this._forgetLastSector(); + // first unselect any selected node + this._unselectAll(true); - // finally, we update the node index list. - this._updateNodeIndexList(); + for (i = 0, iMax = selection.length; i < iMax; i++) { + id = selection[i]; - // we refresh the list with calulation nodes and calculation node indices. - this._updateCalculationNodes(); + 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 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 + * Validate the selection: remove ids of nodes which no longer exist * @private */ - exports._doInAllActiveSectors = function(runFunction,argument) { - var returnValues = []; - if (argument === undefined) { - for (var sector in this.sectors["active"]) { - if (this.sectors["active"].hasOwnProperty(sector)) { - // switch the global references to those of this sector - this._switchToActiveSector(sector); - returnValues.push( this[runFunction]() ); + exports._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]; } } } - 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) ); - } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + if (!this.edges.hasOwnProperty(edgeId)) { + delete this.selectionObj.edges[edgeId]; } } } - // we revert the global references back to our active sector - this._loadLatestSector(); - return returnValues; }; +/***/ }, +/* 63 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Node = __webpack_require__(40); + var Edge = __webpack_require__(37); + /** - * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). + * clears the toolbar div element of children * - * @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](); + exports._clearManipulatorBar = function() { + while (this.manipulationDiv.hasChildNodes()) { + this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); } - 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); + this.manipulationDOM = {}; + + this._manipulationReleaseOverload = function () {}; + delete this.sectors['support']['nodes']['targetNode']; + delete this.sectors['support']['nodes']['targetViaNode']; + this.controlNodesActive = false; + }; + + /** + * 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._restoreOverloadedFunctions = function() { + for (var functionName in this.cachedFunctions) { + if (this.cachedFunctions.hasOwnProperty(functionName)) { + this[functionName] = this.cachedFunctions[functionName]; } } - // 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(). + * Enable or disable edit-mode. * - * @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](); - } - } + 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 { - 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); - } - } - } + toolbar.style.display="none"; + closeDiv.style.display="none"; + editModeDiv.style.display="block"; + closeDiv.onclick = null; } - this._loadLatestSector(); + this._createManipulatorBar() }; - /** - * This runs a function in all sectors. This is used in the _redraw(). + * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. * - * @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); + exports._createManipulatorBar = function() { + // remove bound functions + if (this.boundFunction) { + this.off('select', this.boundFunction); } - else { - if (args.length > 1) { - this._doInAllActiveSectors(runFunction,args[0],args[1]); - this._doInAllFrozenSectors(runFunction,args[0],args[1]); + + var locale = this.constants.locales[this.constants.locale]; + + if (this.edgeBeingEdited !== undefined) { + this.edgeBeingEdited._disableControlNodes(); + this.edgeBeingEdited = undefined; + this.selectedControlNode = null; + this.controlNodesActive = false; + this._redraw(); + } + + // restore overloaded functions + this._restoreOverloadedFunctions(); + + // resume calculation + this.freezeSimulation = false; + + // reset global variables + this.blockConnectingEdgeSelection = false; + this.forceAppendSelection = false; + this.manipulationDOM = {}; + + if (this.editMode == true) { + while (this.manipulationDiv.hasChildNodes()) { + this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); } - else { - this._doInAllActiveSectors(runFunction,argument); - this._doInAllFrozenSectors(runFunction,argument); + + 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'; + + 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']); + + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv4']); + this.manipulationDiv.appendChild(this.manipulationDOM['deleteSpan']); + } + + + // bind the icons + this.manipulationDOM['addNodeSpan'].onclick = this._createAddNodeToolbar.bind(this); + this.manipulationDOM['addEdgeSpan'].onclick = this._createAddEdgeToolbar.bind(this); + if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { + this.manipulationDOM['editNodeSpan'].onclick = this._editNode.bind(this); + } + else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { + this.manipulationDOM['editEdgeSpan'].onclick = this._createEditEdgeToolbar.bind(this); + } + if (this._selectionIsEmpty() == false) { + this.manipulationDOM['deleteSpan'].onclick = this._deleteSelected.bind(this); + } + this.closeDiv.onclick = this._toggleEditMode.bind(this); + + 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); } }; + /** - * 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. + * Create the toolbar for adding Nodes * * @private */ - exports._clearNodeIndexList = function() { - var sector = this._sector(); - this.sectors["active"][sector]["nodeIndices"] = []; - this.nodeIndices = this.sectors["active"][sector]["nodeIndices"]; + exports._createAddNodeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + if (this.boundFunction) { + this.off('select', this.boundFunction); + } + + var locale = this.constants.locales[this.constants.locale]; + + this.manipulationDOM = {}; + this.manipulationDOM['backSpan'] = document.createElement('span'); + this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; + this.manipulationDOM['backLabelSpan'] = document.createElement('span'); + this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; + this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']); + + this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); + this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; + + this.manipulationDOM['descriptionSpan'] = document.createElement('span'); + this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; + this.manipulationDOM['descriptionLabelSpan'] = document.createElement('span'); + this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; + this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['addDescription']; + this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']); + + this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); + this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); + this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); + + // 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); }; /** - * Draw the encompassing sector node + * create the toolbar to connect nodes * - * @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) { + exports._createAddEdgeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + this._unselectAll(true); + this.freezeSimulation = true; - this._switchToSector(sector,sectorType); + var locale = this.constants.locales[this.constants.locale]; - minY = 1e9; maxY = -1e9; minX = 1e9; maxX = -1e9; - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - node.resize(ctx); - if (minX > node.x - 0.5 * node.width) {minX = node.x - 0.5 * node.width;} - if (maxX < node.x + 0.5 * node.width) {maxX = node.x + 0.5 * node.width;} - if (minY > node.y - 0.5 * node.height) {minY = node.y - 0.5 * node.height;} - if (maxY < node.y + 0.5 * node.height) {maxY = node.y + 0.5 * node.height;} - } - } - node = this.sectors[sectorType][sector]["drawingNode"]; - node.x = 0.5 * (maxX + minX); - node.y = 0.5 * (maxY + minY); - node.width = 2 * (node.x - minX); - node.height = 2 * (node.y - minY); - node.options.radius = Math.sqrt(Math.pow(0.5*node.width,2) + Math.pow(0.5*node.height,2)); - node.setScale(this.scale); - node._drawCircle(ctx); - } - } + if (this.boundFunction) { + this.off('select', this.boundFunction); } - }; - exports._drawAllSectorNodes = function(ctx) { - this._drawSectorNodes(ctx,"frozen"); - this._drawSectorNodes(ctx,"active"); - this._loadLatestSector(); - }; + 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'; -/***/ }, -/* 66 */ -/***/ function(module, exports, __webpack_require__) { + 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; - var Node = __webpack_require__(56); + // redraw to show the unselect + this._redraw(); + }; /** - * This function can be called from the _doInAllSectors function + * create the toolbar to edit edges * - * @param object - * @param overlappingNodes * @private */ - exports._getNodesOverlappingWith = function(object, overlappingNodes) { - var nodes = this.nodes; - for (var nodeId in nodes) { - if (nodes.hasOwnProperty(nodeId)) { - if (nodes[nodeId].isOverlappingWith(object)) { - overlappingNodes.push(nodeId); - } - } + exports._createEditEdgeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + this.controlNodesActive = true; + + if (this.boundFunction) { + this.off('select', this.boundFunction); } - }; - /** - * retrieve all nodes overlapping with given object - * @param {Object} object An object with parameters left, top, right, bottom - * @return {Number[]} An array with id's of the overlapping nodes - * @private - */ - exports._getAllNodesOverlappingWith = function (object) { - var overlappingNodes = []; - this._doInAllActiveSectors("_getNodesOverlappingWith",object,overlappingNodes); - return overlappingNodes; + this.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(); }; /** - * Return a position object in canvasspace from a single point in screenspace + * 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 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 - }; + 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(); }; /** - * Get the top node at the a specific point (like a click) + * 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 {{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); + 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(); + }; - // 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]]; + 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 { - return null; + this.edgeBeingEdited._restoreControlNodes(); } + this.freezeSimulation = false; + this._redraw(); }; - /** - * 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 + * 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._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._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._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"]; - /** - * 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; + // 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(); + } }; + /** - * 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 + * Adds a node on the specified location */ - 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; + 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(); + } } }; /** - * Add object to the selection array. + * connect two nodes with a new edge. * - * @param obj * @private */ - exports._addToSelection = function(obj) { - if (obj instanceof Node) { - this.selectionObj.nodes[obj.id] = obj; - } - else { - this.selectionObj.edges[obj.id] = obj; + exports._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(); + } } }; /** - * Add object to the selection array. + * connect two nodes with a new edge. * - * @param obj * @private */ - exports._addToHover = function(obj) { - if (obj instanceof Node) { - this.hoverObj.nodes[obj.id] = obj; - } - else { - this.hoverObj.edges[obj.id] = obj; + 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(); + } } }; - /** - * Remove a single option from selection. + * Create the toolbar to edit the selected node. The label and the color can be changed. Other colors are derived from the chosen color. * - * @param {Object} obj * @private */ - exports._removeFromSelection = function(obj) { - if (obj instanceof Node) { - delete this.selectionObj.nodes[obj.id]; + 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)'); + } } else { - delete this.selectionObj.edges[obj.id]; + throw new Error('No edit function has been bound to this button'); } }; + + + /** - * Unselect all. The selectionObj is useful for this. + * delete everything in the selection * - * @param {Boolean} [doNotTrigger] | ignore trigger * @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(); + 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"]); } } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - this.selectionObj.edges[edgeId].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(); } + this.navigationHammers.existing = []; } - this.selectionObj = {nodes:{},edges:{}}; + this._navigationReleaseOverload = function () {}; - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); + // clean up previous navigation items + if (this.navigationDivs && this.navigationDivs['wrapper'] && this.navigationDivs['wrapper'].parentNode) { + this.navigationDivs['wrapper'].parentNode.removeChild(this.navigationDivs['wrapper']); } }; /** - * Unselect all clusters. The selectionObj is useful for this. + * 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 {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._unselectClusters = function(doNotTrigger) { - if (doNotTrigger === undefined) { - doNotTrigger = false; - } + exports._loadNavigationElements = function() { + this._cleanNavigation(); - 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.navigationDivs = {}; + var navigationDivs = ['up','down','left','right','zoomIn','zoomOut','zoomExtends']; + var navigationDivActions = ['_moveUp','_moveDown','_moveLeft','_moveRight','_zoomIn','_zoomOut','_zoomExtent']; - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); - } - }; + 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]]); - /** - * return the number of selected nodes - * - * @returns {number} - * @private - */ - exports._getSelectedNodeCount = function() { - var count = 0; - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - count += 1; - } + var hammer = Hammer(this.navigationDivs[navigationDivs[i]], {prevent_default: true}); + hammer.on('touch', this[navigationDivActions[i]].bind(this)); + this.navigationHammers._new.push(hammer); } - return count; + + this._navigationReleaseOverload = this._stopMovement; + + this.navigationHammers.existing = this.navigationHammers._new; }; + /** - * return the selected node + * this stops all movement induced by the navigation buttons * - * @returns {number} * @private */ - exports._getSelectedNode = function() { - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - return this.selectionObj.nodes[nodeId]; - } - } - return null; + exports._zoomExtent = function(event) { + this.zoomExtent({duration:700}); + event.stopPropagation(); }; /** - * return the selected edge + * this stops all movement induced by the navigation buttons * - * @returns {number} * @private */ - exports._getSelectedEdge = function() { - for (var edgeId in this.selectionObj.edges) { - if (this.selectionObj.edges.hasOwnProperty(edgeId)) { - return this.selectionObj.edges[edgeId]; - } - } - return null; + exports._stopMovement = function() { + this._xStopMoving(); + this._yStopMoving(); + this._stopZoom(); }; /** - * return the number of selected edges + * 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. * - * @returns {number} * @private */ - exports._getSelectedEdgeCount = function() { - var count = 0; - for (var edgeId in this.selectionObj.edges) { - if (this.selectionObj.edges.hasOwnProperty(edgeId)) { - count += 1; - } - } - return count; + 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(); }; /** - * return the number of selected objects. - * - * @returns {number} + * move the screen down * @private */ - 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; + 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(); }; + /** - * Check if anything is selected - * - * @returns {boolean} + * move the screen left * @private */ - exports._selectionIsEmpty = function() { - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - return false; - } - } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - return false; - } - } - return true; + 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(); }; /** - * check if one of the selected nodes is a cluster. - * - * @returns {boolean} + * move the screen right * @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; - } - } - } - return false; + 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(); }; + /** - * select the edges connected to the node that is being selected - * - * @param {Node} node + * Zoom in, using the same method as the movement. * @private */ - exports._selectConnectedEdges = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - var edge = node.dynamicEdges[i]; - edge.select(); - this._addToSelection(edge); - } + exports._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(); }; + /** - * select the edges connected to the node that is being selected - * - * @param {Node} node + * Zoom out * @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._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(); }; /** - * unselect the edges connected to the node that is being selected - * - * @param {Node} node + * Stop zooming and unhighlight the zoom controls * @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._stopZoom = function(event) { + this.zoomIncrement = 0; + event && event.preventDefault(); }; - - /** - * 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 + * Stop moving in the Y direction and unHighlight the up and down * @private */ - exports._selectObject = function(object, append, doNotTrigger, highlightEdges, overrideSelectable) { - if (doNotTrigger === undefined) { - doNotTrigger = false; - } - if (highlightEdges === undefined) { - highlightEdges = true; - } - - if (this._selectionIsEmpty() == false && append == false && this.forceAppendSelection == false) { - this._unselectAll(true); - } - - // 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()); - } + exports._yStopMoving = function(event) { + this.yIncrement = 0; + event && event.preventDefault(); }; /** - * 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 + * Stop moving in the X direction and unHighlight left and right. * @private */ - exports._blurObject = function(object) { - if (object.hover == true) { - object.hover = false; - this.emit("blurNode",{node:object.id}); - } + exports._xStopMoving = function(event) { + this.xIncrement = 0; + event && event.preventDefault(); }; - /** - * 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}); + +/***/ }, +/* 65 */ +/***/ function(module, exports, __webpack_require__) { + + exports._resetLevels = function() { + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + var node = this.nodes[nodeId]; + if (node.preassignedLevel == false) { + node.level = -1; + node.hierarchyEnumerated = false; + } } } - if (object instanceof Node) { - this._hoverConnectedEdges(object); - } }; - /** - * handles the selection part of the touch, only for navigation controls elements; - * Touch is triggered before tap, also before hold. Hold triggers after a while. - * This is the most responsive solution + * This is the main function to layout the nodes in a hierarchical way. + * It checks if the node details are supplied correctly * - * @param {Object} pointer * @private */ - exports._handleTouch = function(pointer) { - }; + 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; - /** - * 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); + 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 { - this._unselectAll(); + // setup the system to use hierarchical method. + this._changeConstants(); + + // 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(); + + // place the nodes on the canvas. This also stablilizes the system. + this._placeNodesByHierarchy(distribution); + + // start the simulation. + this.start(); } } - var properties = this.getSelection(); - properties['pointer'] = { - DOM: {x: pointer.x, y: pointer.y}, - canvas: {x: this._XconvertDOMtoCanvas(pointer.x), y: this._YconvertDOMtoCanvas(pointer.y)} - } - this.emit("click", properties); - this._redraw(); }; /** - * handles the selection part of the double tap and opens a cluster if needed + * This function places the nodes on the canvas based on the hierarchial distribution. * - * @param {Object} pointer + * @param {Object} distribution | obtained by the function this._getDistribution() * @private */ - exports._handleDoubleTap = function(pointer) { - var node = this._getNodeAt(pointer); - if (node != null && node !== undefined) { - // we reset the areaCenter here so the opening of the node will occur - this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), - "y" : this._YconvertDOMtoCanvas(pointer.y)}; - this.openCluster(node); - } - var properties = this.getSelection(); - properties['pointer'] = { - DOM: {x: pointer.x, y: pointer.y}, - canvas: {x: this._XconvertDOMtoCanvas(pointer.x), y: this._YconvertDOMtoCanvas(pointer.y)} + exports._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); + } + } + } } - this.emit("doubleClick", properties); + + // stabilize the system after positioning. This function calls zoomExtent. + this._stabilize(); }; /** - * Handle the onHold selection part + * This function get the distribution of levels based on hubsize * - * @param pointer + * @returns {Object} * @private */ - exports._handleOnHold = function(pointer) { - var node = this._getNodeAt(pointer); - if (node != null) { - this._selectObject(node,true); + 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; + } } - else { - var edge = this._getEdgeAt(pointer); - if (edge != null) { - this._selectObject(edge,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; + } + } + } + + // 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); } } - this._redraw(); - }; - - /** - * 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); + return distribution; }; - exports._manipulationReleaseOverload = function (pointer) {}; - exports._navigationReleaseOverload = function (pointer) {}; /** + * this function allocates nodes in levels based on the recursive branching from the largest hubs. * - * retrieve the currently selected objects - * @return {{nodes: Array., edges: Array.}} selection + * @param hubsize + * @private */ - exports.getSelection = function() { - var nodeIds = this.getSelectedNodes(); - var edgeIds = this.getSelectedEdges(); - return {nodes:nodeIds, edges:edgeIds}; - }; + exports._determineLevels = function(hubsize) { + var nodeId, node; - /** - * - * 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); + // determine hubs + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.edges.length == hubsize) { + node.level = 0; } } } - return idArray - }; - /** - * - * 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); + // 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); } } } - return idArray; }; - /** - * select zero or more nodes DEPRICATED - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. + * this function allocates nodes in levels based on the recursive branching from the largest hubs. + * + * @param hubsize + * @private */ - exports.setSelection = function() { - console.log("setSelection is deprecated. Please use selectNodes instead.") - }; - + exports._determineLevelsDirected = function() { + var nodeId, node; - /** - * 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; + // set first node to source + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.nodes[nodeId].level = 10000; + break; + } + } - if (!selection || (selection.length == undefined)) - throw 'Selection must be an array with ids'; + // 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); + } + } + } - // first unselect any selected node - this._unselectAll(true); - for (i = 0, iMax = selection.length; i < iMax; i++) { - id = selection[i]; + // 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; + } + } - var node = this.nodes[id]; - if (!node) { - throw new RangeError('Node with id "' + id + '" not found'); + // branch from hubs + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + node.level -= minLevel; } - this._selectObject(node,true,true,highlightEdges,true); } - this.redraw(); }; /** - * select zero or more edges - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. + * 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 */ - exports.selectEdges = function(selection) { - var i, iMax, id; + 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(); + }; - if (!selection || (selection.length == undefined)) - throw 'Selection must be an array with ids'; - // first unselect any selected node - this._unselectAll(true); + /** + * 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; + } - for (i = 0, iMax = selection.length; i < iMax; i++) { - id = selection[i]; + // 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; + } + } - var edge = this.edges[id]; - if (!edge) { - throw new RangeError('Edge with id "' + id + '" not found'); + 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); + } } - this._selectObject(edge,true,true,false,true); } - this.redraw(); }; + /** - * Validate the selection: remove ids of nodes which no longer exist + * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. + * + * @param level + * @param edges + * @param parentId * @private */ - exports._updateSelection = function () { - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - if (!this.nodes.hasOwnProperty(nodeId)) { - delete this.selectionObj.nodes[nodeId]; - } + exports._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; } - } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - if (!this.edges.hasOwnProperty(edgeId)) { - delete this.selectionObj.edges[edgeId]; + 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); } } } }; -/***/ }, -/* 67 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var Node = __webpack_require__(56); - var Edge = __webpack_require__(57); - /** - * clears the toolbar div element of children + * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. * + * @param level + * @param edges + * @param parentId * @private */ - exports._clearManipulatorBar = function() { - while (this.manipulationDiv.hasChildNodes()) { - this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); + 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; + } } - this.manipulationDOM = {}; - this._manipulationReleaseOverload = function () {}; - delete this.sectors['support']['nodes']['targetNode']; - delete this.sectors['support']['nodes']['targetViaNode']; - this.controlNodesActive = false; + 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); + } + } }; + /** - * 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. + * Unfix nodes * * @private */ - exports._restoreOverloadedFunctions = function() { - for (var functionName in this.cachedFunctions) { - if (this.cachedFunctions.hasOwnProperty(functionName)) { - this[functionName] = this.cachedFunctions[functionName]; + exports._restoreNodes = function() { + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.nodes[nodeId].xFixed = false; + this.nodes[nodeId].yFixed = false; } } }; + +/***/ }, +/* 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); + /** - * Enable or disable edit-mode. + * Toggling barnes Hut calculation on and off. * * @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._toggleBarnesHut = function () { + this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled; + this._loadSelectedForceSolver(); + this.moving = true; + this.start(); }; + /** - * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. + * This loads the node force solver based on the barnes hut or repulsion algorithm * * @private */ - exports._createManipulatorBar = function() { - // remove bound functions - if (this.boundFunction) { - this.off('select', this.boundFunction); - } + exports._loadSelectedForceSolver = function () { + // this overloads the this._calculateNodeForces + if (this.constants.physics.barnesHut.enabled == true) { + this._clearMixin(RepulsionMixin); + this._clearMixin(HierarchialRepulsionMixin); - var locale = this.constants.locales[this.constants.locale]; + 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; - if (this.edgeBeingEdited !== undefined) { - this.edgeBeingEdited._disableControlNodes(); - this.edgeBeingEdited = undefined; - this.selectedControlNode = null; - this.controlNodesActive = false; - this._redraw(); + this._loadMixin(BarnesHutMixin); } + else if (this.constants.physics.hierarchicalRepulsion.enabled == true) { + this._clearMixin(BarnesHutMixin); + this._clearMixin(RepulsionMixin); - // restore overloaded functions - this._restoreOverloadedFunctions(); - - // resume calculation - this.freezeSimulation = false; + 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; - // reset global variables - this.blockConnectingEdgeSelection = false; - this.forceAppendSelection = false; - this.manipulationDOM = {}; + this._loadMixin(HierarchialRepulsionMixin); + } + else { + this._clearMixin(BarnesHutMixin); + this._clearMixin(HierarchialRepulsionMixin); + this.barnesHutTree = undefined; - if (this.editMode == true) { - while (this.manipulationDiv.hasChildNodes()) { - this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); - } + this.constants.physics.centralGravity = this.constants.physics.repulsion.centralGravity; + this.constants.physics.springLength = this.constants.physics.repulsion.springLength; + this.constants.physics.springConstant = this.constants.physics.repulsion.springConstant; + this.constants.physics.damping = this.constants.physics.repulsion.damping; - this.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._loadMixin(RepulsionMixin); + } + }; - this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; + /** + * 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['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']); + // we now start the force calculation + this._calculateForces(); + } + }; - 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'; + /** + * 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.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._calculateGravitationalForces(); + this._calculateNodeForces(); - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv2']); - this.manipulationDiv.appendChild(this.manipulationDOM['editNodeSpan']); + if (this.constants.physics.springConstant > 0) { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this._calculateSpringForcesWithSupport(); } - else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { - this.manipulationDOM['seperatorLineDiv3'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv3'].className = 'network-seperatorLine'; - - this.manipulationDOM['editEdgeSpan'] = document.createElement('span'); - this.manipulationDOM['editEdgeSpan'].className = 'network-manipulationUI edit'; - this.manipulationDOM['editEdgeLabelSpan'] = document.createElement('span'); - this.manipulationDOM['editEdgeLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['editEdgeLabelSpan'].innerHTML = locale['editEdge']; - this.manipulationDOM['editEdgeSpan'].appendChild(this.manipulationDOM['editEdgeLabelSpan']); - - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv3']); - this.manipulationDiv.appendChild(this.manipulationDOM['editEdgeSpan']); + else { + if (this.constants.physics.hierarchicalRepulsion.enabled == true) { + this._calculateHierarchicalSpringForces(); + } + else { + this._calculateSpringForces(); + } } - if (this._selectionIsEmpty() == false) { - this.manipulationDOM['seperatorLineDiv4'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv4'].className = 'network-seperatorLine'; - - this.manipulationDOM['deleteSpan'] = document.createElement('span'); - this.manipulationDOM['deleteSpan'].className = 'network-manipulationUI delete'; - this.manipulationDOM['deleteLabelSpan'] = document.createElement('span'); - this.manipulationDOM['deleteLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['deleteLabelSpan'].innerHTML = locale['del']; - this.manipulationDOM['deleteSpan'].appendChild(this.manipulationDOM['deleteLabelSpan']); + } + }; - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv4']); - this.manipulationDiv.appendChild(this.manipulationDOM['deleteSpan']); - } + /** + * Smooth curves are created by adding invisible nodes in the center of the edges. These nodes are also + * handled in the calculateForces function. We then use a quadratic curve with the center node as control. + * This function joins the datanodes and invisible (called support) nodes into one object. + * We do this so we do not contaminate this.nodes with the support nodes. + * + * @private + */ + exports._updateCalculationNodes = function () { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this.calculationNodes = {}; + this.calculationNodeIndices = []; - // 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); + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.calculationNodes[nodeId] = this.nodes[nodeId]; + } } - if (this._selectionIsEmpty() == false) { - this.manipulationDOM['deleteSpan'].onclick = this._deleteSelected.bind(this); + var supportNodes = this.sectors['support']['nodes']; + for (var supportNodeId in supportNodes) { + if (supportNodes.hasOwnProperty(supportNodeId)) { + if (this.edges.hasOwnProperty(supportNodes[supportNodeId].parentEdgeId)) { + this.calculationNodes[supportNodeId] = supportNodes[supportNodeId]; + } + else { + supportNodes[supportNodeId]._setForce(0, 0); + } + } } - this.closeDiv.onclick = this._toggleEditMode.bind(this); - this.boundFunction = this._createManipulatorBar.bind(this); - this.on('select', this.boundFunction); + for (var idx in this.calculationNodes) { + if (this.calculationNodes.hasOwnProperty(idx)) { + this.calculationNodeIndices.push(idx); + } + } } 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); + this.calculationNodes = this.nodes; + this.calculationNodeIndices = this.nodeIndices; } }; - /** - * Create the toolbar for adding Nodes + * this function applies the central gravity effect to keep groups from floating off * * @private */ - exports._createAddNodeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - if (this.boundFunction) { - this.off('select', this.boundFunction); - } - - var locale = this.constants.locales[this.constants.locale]; - - this.manipulationDOM = {}; - this.manipulationDOM['backSpan'] = document.createElement('span'); - this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; - this.manipulationDOM['backLabelSpan'] = document.createElement('span'); - this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; - this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; - this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']); - - this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; + exports._calculateGravitationalForces = function () { + var dx, dy, distance, node, i; + var nodes = this.calculationNodes; + var gravity = this.constants.physics.centralGravity; + var gravityForce = 0; - 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']); + 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); - this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); - this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); + gravityForce = (distance == 0) ? 0 : (gravity / distance); + node.fx = dx * gravityForce; + node.fy = dy * gravityForce; + } + else { + node.fx = 0; + node.fy = 0; + } + } + }; - // 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); - }; /** - * create the toolbar to connect nodes + * this function calculates the effects of the springs in the case of unsmooth curves. * * @private */ - exports._createAddEdgeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - this._unselectAll(true); - this.freezeSimulation = true; - - var locale = this.constants.locales[this.constants.locale]; - - if (this.boundFunction) { - this.off('select', this.boundFunction); - } + exports._calculateSpringForces = function () { + var edgeLength, edge, edgeId; + var dx, dy, fx, fy, springForce, distance; + var edges = this.edges; - this._unselectAll(); - this.forceAppendSelection = false; - this.blockConnectingEdgeSelection = 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; - 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']); + dx = (edge.from.x - edge.to.x); + dy = (edge.from.y - edge.to.y); + distance = Math.sqrt(dx * dx + dy * dy); - this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); - this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine'; + if (distance == 0) { + distance = 0.01; + } - 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']); + // 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.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); - this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); + fx = dx * springForce; + fy = dy * springForce; - // bind the icon - this.manipulationDOM['backSpan'].onclick = this._createManipulatorBar.bind(this); + edge.from.fx += fx; + edge.from.fy += fy; + edge.to.fx -= fx; + edge.to.fy -= fy; + } + } + } + } + }; - // 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(); - }; /** - * create the toolbar to edit edges + * This function calculates the springforces on the nodes, accounting for the support nodes. * * @private */ - exports._createEditEdgeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - this.controlNodesActive = true; - - if (this.boundFunction) { - this.off('select', this.boundFunction); - } - - 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']); + exports._calculateSpringForcesWithSupport = function () { + var edgeLength, edge, edgeId, combinedClusterSize; + var edges = this.edges; - this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); - this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); - this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']); + // 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; - // bind the icon - this.manipulationDOM['backSpan'].onclick = this._createManipulatorBar.bind(this); + edgeLength = edge.physics.springLength; - // 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; + combinedClusterSize = node1.clusterSize + node3.clusterSize - 2; - // redraw to show the unselect - this._redraw(); + // 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); + } + } + } + } + } }; /** - * the function bound to the selection event. It checks if you want to connect a cluster and changes the description - * to walk the user through the process. + * This 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._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._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); - /** - * the function bound to the selection event. It checks if you want to connect a cluster and changes the description - * to walk the user through the process. - * - * @private - */ - exports._controlNodeDrag = function(event) { - var pointer = this._getPointer(event.gesture.center); - if (this.selectedControlNode !== null && this.selectedControlNode !== undefined) { - this.selectedControlNode.x = this._XconvertDOMtoCanvas(pointer.x); - this.selectedControlNode.y = this._YconvertDOMtoCanvas(pointer.y); + if (distance == 0) { + distance = 0.01; } - this._redraw(); + + // the 1/distance is so the fx and fy can be calculated without sine or cosine. + springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; + + fx = dx * springForce; + fy = dy * springForce; + + node1.fx += fx; + node1.fy += fy; + node2.fx -= fx; + node2.fy -= fy; }; - 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(); + + exports._cleanupPhysicsConfiguration = function() { + if (this.physicsConfiguration !== undefined) { + while (this.physicsConfiguration.hasChildNodes()) { + this.physicsConfiguration.removeChild(this.physicsConfiguration.firstChild); } + + this.physicsConfiguration.parentNode.removeChild(this.physicsConfiguration); + this.physicsConfiguration = undefined; } - else { - this.edgeBeingEdited._restoreControlNodes(); - } - 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. - * + * Load the HTML for the physics config and bind it * @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); - }; + exports._loadPhysicsConfiguration = function () { + if (this.physicsConfiguration === undefined) { + this.backupConstants = {}; + util.deepExtend(this.backupConstants,this.constants); - this.moving = true; - this.start(); - } - } - } - }; + 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); - 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"]; + 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"); - // remember the edge id - var connectFromId = this.edges['connectionEdge'].fromId; + 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"); - // remove the temporary nodes and edge - delete this.edges['connectionEdge']; - delete this.sectors['support']['nodes']['targetNode']; - delete this.sectors['support']['nodes']['targetViaNode']; + 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 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(); - } + 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; } - this._unselectAll(); - } - }; + var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); + var graph_repositionNodes = document.getElementById("graph_repositionNodes"); + var graph_generateOptions = document.getElementById("graph_generateOptions"); - /** - * 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(); - } + 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 { - this.nodesData.add(defaultData); - this._createManipulatorBar(); - this.moving = true; - this.start(); + graph_toggleSmooth.style.background = "#FF8532"; } + + + switchConfigurations.apply(this); + + radioButton1.onchange = switchConfigurations.bind(this); + radioButton2.onchange = switchConfigurations.bind(this); + radioButton3.onchange = switchConfigurations.bind(this); } }; - /** - * connect two nodes with a new edge. + * This overwrites the this.constants. * + * @param constantsVariableName + * @param value * @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._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; } }; + /** - * connect two nodes with a new edge. - * - * @private + * this function is bound to the toggle smooth curves button. That is also why it is not in the prototype. */ - 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(); - } - } - }; + 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); + } /** - * Create the toolbar to edit the selected node. The label and the color can be changed. Other colors are derived from the chosen color. + * this function is used to scramble the nodes * - * @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)'); + 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; } } + 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 { - throw new Error('No edit function has been bound to this button'); + this.repositionNodes(); } - }; - - - + this.moving = true; + this.start(); + } /** - * delete everything in the selection - * - * @private + * this is used to generate an options file from the playing with physics system. */ - 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)') + 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 += ", " } } - else { - this.edgesData.remove(selectedEdges); - this.nodesData.remove(selectedNodes); - this._unselectAll(); - this.moving = true; - this.start(); + 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 += ", " + } } + options += '}}' } - else { - alert(this.constants.locales[this.constants.locale]["deleteClusterError"]); + if (optionsSpecific.length == 0) {options += "}"} + if (this.constants.smoothCurves != this.backupConstants.smoothCurves) { + options += ", smoothCurves: " + this.constants.smoothCurves; } + options += '};' } - }; - - -/***/ }, -/* 68 */ -/***/ function(module, exports, __webpack_require__) { - - 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(); + 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 += '}},'; } - this.navigationHammers.existing = []; + options += 'hierarchicalLayout: {'; + optionsSpecific = []; + if (this.constants.hierarchicalLayout.direction != this.backupConstants.hierarchicalLayout.direction) {optionsSpecific.push("direction: " + this.constants.hierarchicalLayout.direction);} + if (Math.abs(this.constants.hierarchicalLayout.levelSeparation) != this.backupConstants.hierarchicalLayout.levelSeparation) {optionsSpecific.push("levelSeparation: " + this.constants.hierarchicalLayout.levelSeparation);} + if (this.constants.hierarchicalLayout.nodeSpacing != this.backupConstants.hierarchicalLayout.nodeSpacing) {optionsSpecific.push("nodeSpacing: " + this.constants.hierarchicalLayout.nodeSpacing);} + if (optionsSpecific.length != 0) { + for (var i = 0; i < optionsSpecific.length; i++) { + options += optionsSpecific[i]; + if (i < optionsSpecific.length - 1) { + options += ", " + } + } + options += '}' + } + else { + options += "enabled:true}"; + } + options += '};' } - 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.optionsDiv.innerHTML = options; + } /** - * 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. + * this is used to switch between barnesHut, repulsion and hierarchical. * - * @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); + 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._navigationReleaseOverload = this._stopMovement; - - this.navigationHammers.existing = this.navigationHammers._new; - }; - - - /** - * 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 + * this generates the ranges depending on the iniital values. * - * @private + * @param id + * @param map + * @param constantsVariableName */ - exports._stopMovement = function() { - this._xStopMoving(); - this._yStopMoving(); - this._stopZoom(); - }; + 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 { + document.getElementById(valueId).value = parseInt(map) * parseFloat(rangeValue); + this._overWriteGraphConstants(constantsVariableName, parseInt(map) * parseFloat(rangeValue)); + } - /** - * 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._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(); - }; + if (constantsVariableName == "hierarchicalLayout_direction" || + constantsVariableName == "hierarchicalLayout_levelSeparation" || + constantsVariableName == "hierarchicalLayout_nodeSpacing") { + this._setupHierarchicalLayout(); + } + this.moving = true; + this.start(); + } - /** - * 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(); - }; - /** - * 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(); - }; +/***/ }, +/* 67 */ +/***/ function(module, exports, __webpack_require__) { + function webpackContext(req) { + throw new Error("Cannot find module '" + req + "'."); + } + webpackContext.keys = function() { return []; }; + webpackContext.resolve = webpackContext; + module.exports = webpackContext; + webpackContext.id = 67; - /** - * 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(); - }; +/***/ }, +/* 68 */ +/***/ function(module, exports, __webpack_require__) { /** - * Zoom in, using the same method as the movement. + * Calculate the forces the nodes apply on each other based on a repulsion field. + * This field is linearly approximated. + * * @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._calculateNodeForces = function () { + var dx, dy, angle, distance, fx, fy, combinedClusterSize, + repulsingForce, node1, node2, i, j; + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; - /** - * 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(); - }; + // approximation constants + var a_base = -2 / 3; + var b = 4 / 3; + + // repulsing forces between nodes + var nodeDistance = this.constants.physics.repulsion.nodeDistance; + var minimumDistance = nodeDistance; + // we loop from i over all but the last entree in the array + // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j + for (i = 0; i < nodeIndices.length - 1; i++) { + node1 = nodes[nodeIndices[i]]; + for (j = i + 1; j < nodeIndices.length; j++) { + node2 = nodes[nodeIndices[j]]; + combinedClusterSize = node1.clusterSize + node2.clusterSize - 2; - /** - * Stop zooming and unhighlight the zoom controls - * @private - */ - exports._stopZoom = function(event) { - this.zoomIncrement = 0; - event && 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 moving in the Y direction and unHighlight the up and down - * @private - */ - exports._yStopMoving = function(event) { - this.yIncrement = 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 X direction and unHighlight left and right. - * @private - */ - exports._xStopMoving = function(event) { - this.xIncrement = 0; - event && event.preventDefault(); + node1.fx -= fx; + node1.fy -= fy; + node2.fx += fx; + node2.fy += fy; + } + } + } }; @@ -33446,688 +33555,579 @@ 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; - } - } - } - }; - /** - * This is the main function to layout the nodes in a hierarchical way. - * It checks if the node details are supplied correctly + * Calculate the forces the nodes apply on eachother based on a repulsion field. + * This field is linearly approximated. * * @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); - } + exports._calculateNodeForces = function () { + var dx, dy, distance, fx, fy, + repulsingForce, node1, node2, i, j; - 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; + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; - 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; - } - } - } + // repulsing forces between nodes + var nodeDistance = this.constants.physics.hierarchicalRepulsion.nodeDistance; - // 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(); + // 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]]; - // define levels if undefined by the users. Based on hubsize - if (undefinedLevel == true) { - if (this.constants.hierarchicalLayout.layout == "hubsize") { - this._determineLevels(hubsize); + // 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 { - this._determineLevelsDirected(); + repulsingForce = 0; } + // normalize force with + if (distance == 0) { + distance = 0.01; + } + else { + repulsingForce = repulsingForce / distance; + } + fx = dx * repulsingForce; + fy = dy * repulsingForce; + node1.fx -= fx; + node1.fy -= fy; + node2.fx += fx; + node2.fy += fy; } - // 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 places the nodes on the canvas based on the hierarchial distribution. + * this function calculates the effects of the springs in the case of unsmooth curves. * - * @param {Object} distribution | obtained by the function this._getDistribution() * @private */ - exports._placeNodesByHierarchy = function(distribution) { - var nodeId, node; + exports._calculateHierarchicalSpringForces = function () { + var edgeLength, edge, edgeId; + var dx, dy, fx, fy, springForce, distance; + var edges = this.edges; - // start placing all the level 0 nodes first. Then recursively position their branches. - for (var level in distribution) { - if (distribution.hasOwnProperty(level)) { + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; - 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; - } + 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; } - else { - if (node.yFixed) { - node.y = distribution[level].minPos; - node.yFixed = false; - distribution[level].minPos += distribution[level].nodeSpacing; - } + // 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; } - this._placeBranchNodes(node.edges,node.id,distribution,node.level); } } } } - // stabilize the system after positioning. This function calls zoomExtent. - this._stabilize(); + // 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; + } + }; +/***/ }, +/* 70 */ +/***/ function(module, exports, __webpack_require__) { /** - * This function get the distribution of levels based on hubsize + * 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. * - * @returns {Object} * @private */ - exports._getDistribution = function() { - var distribution = {}; - var nodeId, node, level; + exports._calculateNodeForces = function() { + if (this.constants.physics.barnesHut.gravitationalConstant != 0) { + var node; + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; + var nodeCount = nodeIndices.length; - // 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; - } - } + this._formBarnesHutTree(nodes,nodeIndices); - // 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; - } - } - } + var barnesHutTree = this.barnesHutTree; - // 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); + // 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); + } } } - - return distribution; }; /** - * this function allocates nodes in levels based on the recursive branching from the largest hubs. + * 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 hubsize + * @param parentBranch + * @param node * @private */ - exports._determineLevels = function(hubsize) { - var nodeId, node; + exports._getForceContribution = function(parentBranch,node) { + // we get no force contribution from an empty region + if (parentBranch.childrenCount > 0) { + var dx,dy,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; + // get the distance from the center of mass to the node. + dx = parentBranch.centerOfMass.x - node.x; + dy = parentBranch.centerOfMass.y - node.y; + distance = Math.sqrt(dx * dx + dy * dy); + + // BarnesHut condition + // original condition : s/d < thetaInverted = passed === d/s > 1/theta = passed + // calcSize = 1/s --> d * 1/s > 1/theta = passed + if (distance * parentBranch.calcSize > this.constants.physics.barnesHut.thetaInverted) { + // duplicate code to reduce function calls to speed up program + if (distance == 0) { + distance = 0.1*Math.random(); + dx = distance; } + var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); + var fx = dx * gravityForce; + var fy = dy * gravityForce; + node.fx += fx; + node.fy += fy; } - } - - // 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); + 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 allocates nodes in levels based on the recursive branching from the largest hubs. + * This function constructs the barnesHut tree recursively. It creates the root, splits it and starts placing the nodes. * - * @param hubsize + * @param nodes + * @param nodeIndices * @private */ - exports._determineLevelsDirected = function() { - var nodeId, node; + exports._formBarnesHutTree = function(nodes,nodeIndices) { + var node; + var nodeCount = nodeIndices.length; - // set first node to source - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.nodes[nodeId].level = 10000; - break; - } - } + var minX = Number.MAX_VALUE, + minY = Number.MAX_VALUE, + maxX =-Number.MAX_VALUE, + maxY =-Number.MAX_VALUE; - // 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); - } + // get the range of the nodes + for (var i = 0; i < nodeCount; i++) { + var x = nodes[nodeIndices[i]].x; + var y = nodes[nodeIndices[i]].y; + if (nodes[nodeIndices[i]].options.mass > 0) { + if (x < minX) { minX = x; } + if (x > maxX) { maxX = x; } + if (y < minY) { minY = y; } + if (y > maxY) { maxY = y; } } } + // make the range a square + var sizeDiff = Math.abs(maxX - minX) - Math.abs(maxY - minY); // difference between X and Y + if (sizeDiff > 0) {minY -= 0.5 * sizeDiff; maxY += 0.5 * sizeDiff;} // xSize > ySize + else {minX += 0.5 * sizeDiff; maxX -= 0.5 * sizeDiff;} // xSize < ySize - // 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; + var minimumTreeSize = 1e-5; + var rootSize = Math.max(minimumTreeSize,Math.abs(maxX - minX)); + var halfRootSize = 0.5 * rootSize; + var centerX = 0.5 * (minX + maxX), centerY = 0.5 * (minY + maxY); + + // construct the barnesHutTree + var barnesHutTree = { + root:{ + centerOfMass: {x:0, y:0}, + mass:0, + range: { + minX: centerX-halfRootSize,maxX:centerX+halfRootSize, + minY: centerY-halfRootSize,maxY:centerY+halfRootSize + }, + size: rootSize, + calcSize: 1 / rootSize, + children: { data:null}, + maxWidth: 0, + level: 0, + childrenCount: 4 } - } + }; + this._splitBranch(barnesHutTree.root); - // branch from hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - node.level -= minLevel; + // 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); } } + + // make global + this.barnesHutTree = barnesHutTree }; /** - * 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. + * this updates the mass of a branch. this is increased by adding a node. * + * @param parentBranch + * @param node * @private */ - exports._changeConstants = function() { - this.constants.clustering.enabled = false; - this.constants.physics.barnesHut.enabled = false; - this.constants.physics.hierarchicalRepulsion.enabled = true; - this._loadSelectedForceSolver(); - if (this.constants.smoothCurves.enabled == true) { - this.constants.smoothCurves.dynamic = false; - } - this._configureSmoothCurves(); + 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 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. + * determine in which branch the node will be placed. * - * @param edges - * @param parentId - * @param distribution - * @param parentLevel + * @param parentBranch + * @param node + * @param skipMassUpdate * @private */ - exports._placeBranchNodes = function(edges, parentId, distribution, parentLevel) { - for (var i = 0; i < edges.length; i++) { - var childNode = null; - if (edges[i].toId == parentId) { - childNode = edges[i].from; - } - else { - childNode = edges[i].to; - } + exports._placeInTree = function(parentBranch,node,skipMassUpdate) { + if (skipMassUpdate != true || skipMassUpdate === undefined) { + // update the mass of the branch. + this._updateBranchMass(parentBranch,node); + } - // 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; - } + 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 { - if (childNode.yFixed && childNode.level > parentLevel) { - childNode.yFixed = false; - childNode.y = distribution[childNode.level].minPos; - nodeMoved = true; - } + else { // in SW + this._placeInRegion(parentBranch,node,"SW"); } - - 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); - } + } + 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 is called recursively to enumerate the barnches of the largest hubs and give each node a level. + * actually place the node in a region (or branch) * - * @param level - * @param edges - * @param parentId + * @param parentBranch + * @param node + * @param region * @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; - } - if (childNode.level == -1 || childNode.level > level) { - childNode.level = level; - if (childNode.edges.length > 1) { - this._setLevel(level+1, childNode.edges, childNode.id); + exports._placeInRegion = function(parentBranch,node,region) { + switch (parentBranch.children[region].childrenCount) { + case 0: // place node here + parentBranch.children[region].children.data = node; + parentBranch.children[region].childrenCount = 1; + this._updateBranchMass(parentBranch.children[region],node); + break; + case 1: // convert into children + // if there are two nodes exactly overlapping (on init, on opening of cluster etc.) + // we move one node a pixel and we do not put it in the tree. + if (parentBranch.children[region].children.data.x == node.x && + parentBranch.children[region].children.data.y == node.y) { + node.x += Math.random(); + node.y += Math.random(); } - } + else { + this._splitBranch(parentBranch.children[region]); + this._placeInTree(parentBranch.children[region],node); + } + break; + case 4: // place in branch + this._placeInTree(parentBranch.children[region],node); + break; } }; /** - * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. + * 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 level - * @param edges - * @param parentId + * @param parentBranch * @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._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"); - 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); - } + if (containedNode != null) { + this._placeInTree(parentBranch,containedNode); } }; /** - * Unfix nodes + * 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 parentBranch + * @param region + * @param parentRange * @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._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; } - }; - - -/***/ }, -/* 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.' + 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 + }; }; - exports['nl_NL'] = exports['nl']; - exports['nl_BE'] = exports['nl']; - -/***/ }, -/* 71 */ -/***/ function(module, exports, __webpack_require__) { /** - * Canvas shapes used by Network + * This function is for debugging purposed, it draws the tree. + * + * @param ctx + * @param color + * @private */ - if (typeof CanvasRenderingContext2D !== 'undefined') { - - /** - * Draw a circle shape - */ - CanvasRenderingContext2D.prototype.circle = function(x, y, r) { - this.beginPath(); - this.arc(x, y, r, 0, 2*Math.PI, false); - }; - - /** - * Draw a square shape - * @param {Number} x horizontal center - * @param {Number} y vertical center - * @param {Number} r size, width and height of the square - */ - CanvasRenderingContext2D.prototype.square = function(x, y, r) { - this.beginPath(); - this.rect(x - r, y - r, r * 2, r * 2); - }; - - /** - * Draw a triangle shape - * @param {Number} x horizontal center - * @param {Number} y vertical center - * @param {Number} r radius, half the length of the sides of the triangle - */ - CanvasRenderingContext2D.prototype.triangle = function(x, y, r) { - // http://en.wikipedia.org/wiki/Equilateral_triangle - this.beginPath(); - - var s = r * 2; - var s2 = s / 2; - var ir = Math.sqrt(3) / 6 * s; // radius of inner circle - var h = Math.sqrt(s * s - s2 * s2); // height - - this.moveTo(x, y - (h - ir)); - this.lineTo(x + s2, y + ir); - this.lineTo(x - s2, y + ir); - this.lineTo(x, y - (h - ir)); - this.closePath(); - }; - - /** - * Draw a triangle shape in downward orientation - * @param {Number} x horizontal center - * @param {Number} y vertical center - * @param {Number} r radius - */ - CanvasRenderingContext2D.prototype.triangleDown = function(x, y, r) { - // http://en.wikipedia.org/wiki/Equilateral_triangle - this.beginPath(); - - var s = r * 2; - var s2 = s / 2; - var ir = Math.sqrt(3) / 6 * s; // radius of inner circle - var h = Math.sqrt(s * s - s2 * s2); // height - - this.moveTo(x, y + (h - ir)); - this.lineTo(x + s2, y - ir); - this.lineTo(x - s2, y - ir); - this.lineTo(x, y + (h - ir)); - this.closePath(); - }; - - /** - * Draw a star shape, a star with 5 points - * @param {Number} x horizontal center - * @param {Number} y vertical center - * @param {Number} r radius, half the length of the sides of the triangle - */ - CanvasRenderingContext2D.prototype.star = function(x, y, r) { - // http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/ - this.beginPath(); - - for (var n = 0; n < 10; n++) { - var radius = (n % 2 === 0) ? r * 1.3 : r * 0.5; - this.lineTo( - x + radius * Math.sin(n * 2 * Math.PI / 10), - y - radius * Math.cos(n * 2 * Math.PI / 10) - ); - } - - this.closePath(); - }; - - /** - * http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas - */ - CanvasRenderingContext2D.prototype.roundRect = function(x, y, w, h, r) { - var r2d = Math.PI/180; - if( w - ( 2 * r ) < 0 ) { r = ( w / 2 ); } //ensure that the radius isn't too large for x - if( h - ( 2 * r ) < 0 ) { r = ( h / 2 ); } //ensure that the radius isn't too large for y - this.beginPath(); - this.moveTo(x+r,y); - this.lineTo(x+w-r,y); - this.arc(x+w-r,y+r,r,r2d*270,r2d*360,false); - this.lineTo(x+w,y+h-r); - this.arc(x+w-r,y+h-r,r,0,r2d*90,false); - this.lineTo(x+r,y+h); - this.arc(x+r,y+h-r,r,r2d*90,r2d*180,false); - this.lineTo(x,y+r); - this.arc(x+r,y+r,r,r2d*180,r2d*270,false); - }; - - /** - * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas - */ - CanvasRenderingContext2D.prototype.ellipse = function(x, y, w, h) { - var kappa = .5522848, - ox = (w / 2) * kappa, // control point offset horizontal - oy = (h / 2) * kappa, // control point offset vertical - xe = x + w, // x-end - ye = y + h, // y-end - xm = x + w / 2, // x-middle - ym = y + h / 2; // y-middle - - this.beginPath(); - this.moveTo(x, ym); - this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); - this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); - this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); - this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); - }; - - - - /** - * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas - */ - CanvasRenderingContext2D.prototype.database = function(x, y, w, h) { - var f = 1/3; - var wEllipse = w; - var hEllipse = h * f; + exports._drawTree = function(ctx,color) { + if (this.barnesHutTree !== undefined) { - 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 + ctx.lineWidth = 1; - this.beginPath(); - this.moveTo(xe, ym); + this._drawBranch(this.barnesHutTree.root,ctx,color); + } + }; - 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 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"; + } - this.lineTo(xe, ymb); + 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.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb); - this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb); + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.minY); + ctx.lineTo(branch.range.maxX,branch.range.maxY); + ctx.stroke(); - this.lineTo(x, ym); - }; + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.maxY); + ctx.lineTo(branch.range.minX,branch.range.maxY); + ctx.stroke(); + ctx.beginPath(); + ctx.moveTo(branch.range.minX,branch.range.maxY); + ctx.lineTo(branch.range.minX,branch.range.minY); + ctx.stroke(); - /** - * Draw an arrow point (no line) + /* + if (branch.mass > 0) { + ctx.circle(branch.centerOfMass.x, branch.centerOfMass.y, 3*branch.mass); + ctx.stroke(); + } */ - 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; - } - }; +/***/ }, +/* 71 */ +/***/ function(module, exports, __webpack_require__) { - // TODO: add diamond shape + module.exports = function(module) { + if(!module.webpackPolyfill) { + module.deprecate = function() {}; + module.paths = []; + // module.parent = undefined by default + module.children = []; + module.webpackPolyfill = 1; + } + return module; }