From 2f17bd94dde2b093c851e425b014a4a3e3fafce4 Mon Sep 17 00:00:00 2001 From: Alex de Mulder Date: Wed, 5 Nov 2014 11:24:20 +0100 Subject: [PATCH] fixed release with navigation buttons --- HISTORY.md | 4 + dist/vis.js | 52431 ++++++++++++++++++++------------------- lib/network/Network.js | 7 +- 3 files changed, 26228 insertions(+), 26214 deletions(-) diff --git a/HISTORY.md b/HISTORY.md index 63f83abd..a6753b1a 100644 --- a/HISTORY.md +++ b/HISTORY.md @@ -9,6 +9,10 @@ http://visjs.org - Fixed height of background items when having a fixed or max height defined. - Fixed only one item being dragged when multiple items are selected. +### Network + +- Fixed onRelease with navigation option. + ## 2014-10-28, version 3.6.3 diff --git a/dist/vis.js b/dist/vis.js index 7f0604f4..ef3f68f6 100644 --- a/dist/vis.js +++ b/dist/vis.js @@ -5,7 +5,7 @@ * A dynamic, browser-based visualization library. * * @version 3.6.4-SNAPSHOT - * @date 2014-11-03 + * @date 2014-11-05 * * @license * Copyright (C) 2011-2014 Almende B.V, http://almende.com @@ -81,67 +81,67 @@ return /******/ (function(modules) { // webpackBootstrap // utils exports.util = __webpack_require__(1); - exports.DOMutil = __webpack_require__(2); + exports.DOMutil = __webpack_require__(6); // data - exports.DataSet = __webpack_require__(3); - exports.DataView = __webpack_require__(4); - exports.Queue = __webpack_require__(5); + exports.DataSet = __webpack_require__(7); + exports.DataView = __webpack_require__(9); + exports.Queue = __webpack_require__(8); // Graph3d - exports.Graph3d = __webpack_require__(6); + exports.Graph3d = __webpack_require__(10); exports.graph3d = { - Camera: __webpack_require__(7), - Filter: __webpack_require__(8), - Point2d: __webpack_require__(9), - Point3d: __webpack_require__(10), - Slider: __webpack_require__(11), - StepNumber: __webpack_require__(12) + Camera: __webpack_require__(14), + Filter: __webpack_require__(15), + Point2d: __webpack_require__(13), + Point3d: __webpack_require__(12), + Slider: __webpack_require__(16), + StepNumber: __webpack_require__(17) }; // Timeline - exports.Timeline = __webpack_require__(13); - exports.Graph2d = __webpack_require__(14); + exports.Timeline = __webpack_require__(18); + exports.Graph2d = __webpack_require__(42); exports.timeline = { - DateUtil: __webpack_require__(15), - DataStep: __webpack_require__(16), - Range: __webpack_require__(17), - stack: __webpack_require__(18), - TimeStep: __webpack_require__(19), + DateUtil: __webpack_require__(24), + DataStep: __webpack_require__(45), + Range: __webpack_require__(21), + stack: __webpack_require__(33), + TimeStep: __webpack_require__(27), components: { items: { - Item: __webpack_require__(31), - BackgroundItem: __webpack_require__(32), - BoxItem: __webpack_require__(33), - PointItem: __webpack_require__(34), - RangeItem: __webpack_require__(35) + Item: __webpack_require__(35), + BackgroundItem: __webpack_require__(39), + BoxItem: __webpack_require__(37), + PointItem: __webpack_require__(38), + RangeItem: __webpack_require__(34) }, - Component: __webpack_require__(20), - CurrentTime: __webpack_require__(21), - CustomTime: __webpack_require__(22), - DataAxis: __webpack_require__(23), - GraphGroup: __webpack_require__(24), - Group: __webpack_require__(25), - BackgroundGroup: __webpack_require__(26), - ItemSet: __webpack_require__(27), - Legend: __webpack_require__(28), - LineGraph: __webpack_require__(29), - TimeAxis: __webpack_require__(30) + Component: __webpack_require__(23), + CurrentTime: __webpack_require__(28), + CustomTime: __webpack_require__(30), + DataAxis: __webpack_require__(44), + GraphGroup: __webpack_require__(46), + Group: __webpack_require__(32), + BackgroundGroup: __webpack_require__(36), + ItemSet: __webpack_require__(31), + Legend: __webpack_require__(47), + LineGraph: __webpack_require__(43), + TimeAxis: __webpack_require__(26) } }; // Network - exports.Network = __webpack_require__(36); + exports.Network = __webpack_require__(48); exports.network = { - Edge: __webpack_require__(37), - Groups: __webpack_require__(38), - Images: __webpack_require__(39), - Node: __webpack_require__(40), - Popup: __webpack_require__(41), - dotparser: __webpack_require__(42), - gephiParser: __webpack_require__(43) + Edge: __webpack_require__(49), + Groups: __webpack_require__(51), + Images: __webpack_require__(52), + Node: __webpack_require__(50), + Popup: __webpack_require__(53), + dotparser: __webpack_require__(54), + gephiParser: __webpack_require__(55) }; // Deprecated since v3.0.0 @@ -150,8 +150,8 @@ return /******/ (function(modules) { // webpackBootstrap }; // bundled external libraries - exports.moment = __webpack_require__(44); - exports.hammer = __webpack_require__(45); + exports.moment = __webpack_require__(2); + exports.hammer = __webpack_require__(19); /***/ }, @@ -162,7 +162,7 @@ return /******/ (function(modules) { // webpackBootstrap // first check if moment.js is already loaded in the browser window, if so, // use this instance. Else, load via commonjs. - var moment = __webpack_require__(44); + var moment = __webpack_require__(2); /** * Test whether given object is a number @@ -1514,18685 +1514,17457 @@ return /******/ (function(modules) { // webpackBootstrap /* 2 */ /***/ function(module, exports, __webpack_require__) { - // DOM utility methods - - /** - * this prepares the JSON container for allocating SVG elements - * @param JSONcontainer - * @private - */ - exports.prepareElements = function(JSONcontainer) { - // cleanup the redundant svgElements; - for (var elementType in JSONcontainer) { - if (JSONcontainer.hasOwnProperty(elementType)) { - JSONcontainer[elementType].redundant = JSONcontainer[elementType].used; - JSONcontainer[elementType].used = []; - } - } - }; - - /** - * this cleans up all the unused SVG elements. By asking for the parentNode, we only need to supply the JSON container from - * which to remove the redundant elements. - * - * @param JSONcontainer - * @private - */ - exports.cleanupElements = function(JSONcontainer) { - // cleanup the redundant svgElements; - for (var elementType in JSONcontainer) { - if (JSONcontainer.hasOwnProperty(elementType)) { - if (JSONcontainer[elementType].redundant) { - for (var i = 0; i < JSONcontainer[elementType].redundant.length; i++) { - JSONcontainer[elementType].redundant[i].parentNode.removeChild(JSONcontainer[elementType].redundant[i]); - } - JSONcontainer[elementType].redundant = []; - } - } - } - }; - - /** - * Allocate or generate an SVG element if needed. Store a reference to it in the JSON container and draw it in the svgContainer - * the JSON container and the SVG container have to be supplied so other svg containers (like the legend) can use this. - * - * @param elementType - * @param JSONcontainer - * @param svgContainer - * @returns {*} - * @private - */ - exports.getSVGElement = function (elementType, JSONcontainer, svgContainer) { - var element; - // allocate SVG element, if it doesnt yet exist, create one. - if (JSONcontainer.hasOwnProperty(elementType)) { // this element has been created before - // check if there is an redundant element - if (JSONcontainer[elementType].redundant.length > 0) { - element = JSONcontainer[elementType].redundant[0]; - JSONcontainer[elementType].redundant.shift(); - } - else { - // create a new element and add it to the SVG - element = document.createElementNS('http://www.w3.org/2000/svg', elementType); - svgContainer.appendChild(element); - } - } - else { - // create a new element and add it to the SVG, also create a new object in the svgElements to keep track of it. - element = document.createElementNS('http://www.w3.org/2000/svg', elementType); - JSONcontainer[elementType] = {used: [], redundant: []}; - svgContainer.appendChild(element); - } - JSONcontainer[elementType].used.push(element); - return element; - }; - - - /** - * Allocate or generate an SVG element if needed. Store a reference to it in the JSON container and draw it in the svgContainer - * the JSON container and the SVG container have to be supplied so other svg containers (like the legend) can use this. - * - * @param elementType - * @param JSONcontainer - * @param DOMContainer - * @returns {*} - * @private - */ - exports.getDOMElement = function (elementType, JSONcontainer, DOMContainer, insertBefore) { - var element; - // allocate DOM element, if it doesnt yet exist, create one. - if (JSONcontainer.hasOwnProperty(elementType)) { // this element has been created before - // check if there is an redundant element - if (JSONcontainer[elementType].redundant.length > 0) { - element = JSONcontainer[elementType].redundant[0]; - JSONcontainer[elementType].redundant.shift(); - } - else { - // create a new element and add it to the SVG - element = document.createElement(elementType); - if (insertBefore !== undefined) { - DOMContainer.insertBefore(element, insertBefore); - } - else { - DOMContainer.appendChild(element); - } - } - } - else { - // create a new element and add it to the SVG, also create a new object in the svgElements to keep track of it. - element = document.createElement(elementType); - JSONcontainer[elementType] = {used: [], redundant: []}; - if (insertBefore !== undefined) { - DOMContainer.insertBefore(element, insertBefore); - } - else { - DOMContainer.appendChild(element); - } - } - JSONcontainer[elementType].used.push(element); - return element; - }; - - - - - /** - * draw a point object. this is a seperate function because it can also be called by the legend. - * The reason the JSONcontainer and the target SVG svgContainer have to be supplied is so the legend can use these functions - * as well. - * - * @param x - * @param y - * @param group - * @param JSONcontainer - * @param svgContainer - * @returns {*} - */ - exports.drawPoint = function(x, y, group, JSONcontainer, svgContainer) { - var point; - if (group.options.drawPoints.style == 'circle') { - point = exports.getSVGElement('circle',JSONcontainer,svgContainer); - point.setAttributeNS(null, "cx", x); - point.setAttributeNS(null, "cy", y); - point.setAttributeNS(null, "r", 0.5 * group.options.drawPoints.size); - point.setAttributeNS(null, "class", group.className + " point"); - } - 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); - point.setAttributeNS(null, "class", group.className + " point"); - } - return point; - }; + // first check if moment.js is already loaded in the browser window, if so, + // use this instance. Else, load via commonjs. + module.exports = (typeof window !== 'undefined') && window['moment'] || __webpack_require__(3); - /** - * draw a bar SVG element centered on the X coordinate - * - * @param x - * @param y - * @param className - */ - exports.drawBar = function (x, y, width, height, className, JSONcontainer, svgContainer) { - if (height != 0) { - if (height < 0) { - height *= -1; - y -= height; - } - var rect = exports.getSVGElement('rect',JSONcontainer, svgContainer); - rect.setAttributeNS(null, "x", x - 0.5 * width); - rect.setAttributeNS(null, "y", y); - rect.setAttributeNS(null, "width", width); - rect.setAttributeNS(null, "height", height); - rect.setAttributeNS(null, "class", className); - } - }; /***/ }, /* 3 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var Queue = __webpack_require__(5); - - /** - * DataSet - * - * Usage: - * var dataSet = new DataSet({ - * fieldId: '_id', - * type: { - * // ... - * } - * }); - * - * dataSet.add(item); - * dataSet.add(data); - * dataSet.update(item); - * dataSet.update(data); - * dataSet.remove(id); - * dataSet.remove(ids); - * var data = dataSet.get(); - * var data = dataSet.get(id); - * var data = dataSet.get(ids); - * var data = dataSet.get(ids, options, data); - * dataSet.clear(); - * - * A data set can: - * - add/remove/update data - * - gives triggers upon changes in the data - * - can import/export data in various data formats - * - * @param {Array | DataTable} [data] Optional array with initial data - * @param {Object} [options] Available options: - * {String} fieldId Field name of the id in the - * items, 'id' by default. - * {Object. ['10', '00'] or '-1530' > ['-15', '30'] + parseTimezoneChunker = /([\+\-]|\d\d)/gi, - 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); - } + // 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 + }, - 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'); - } + 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' + }, - if (addedIds.length) { - this._trigger('add', {items: addedIds}, senderId); - } + camelFunctions = { + dayofyear : 'dayOfYear', + isoweekday : 'isoWeekday', + isoweek : 'isoWeek', + weekyear : 'weekYear', + isoweekyear : 'isoWeekYear' + }, - return addedIds; - }; + // format function strings + formatFunctions = {}, - /** - * 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; - - var addOrUpdate = function (item) { - var id = item[fieldId]; - if (me._data[id]) { - // update item - id = me._updateItem(item); - updatedIds.push(id); - updatedData.push(item); - } - else { - // add new item - id = me._addItem(item); - addedIds.push(id); - } - }; - - if (Array.isArray(data)) { - // Array - for (var i = 0, len = data.length; i < len; i++) { - addOrUpdate(data[i]); - } - } - else if (util.isDataTable(data)) { - // Google DataTable - var columns = this._getColumnNames(data); - for (var row = 0, rows = data.getNumberOfRows(); row < rows; row++) { - var item = {}; - for (var col = 0, cols = columns.length; col < cols; col++) { - var field = columns[col]; - item[field] = data.getValue(row, col); - } - - addOrUpdate(item); - } - } - else if (data instanceof Object) { - // Single item - addOrUpdate(data); - } - else { - throw new Error('Unknown dataType'); - } - - if (addedIds.length) { - this._trigger('add', {items: addedIds}, senderId); - } - if (updatedIds.length) { - this._trigger('update', {items: updatedIds, data: updatedData}, senderId); - } + // 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 + }, - return addedIds.concat(updatedIds); - }; + // tokens to ordinalize and pad + ordinalizeTokens = 'DDD w W M D d'.split(' '), + paddedTokens = 'M D H h m s w W'.split(' '), - /** - * 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; + 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.unix(); + }, + Q : function () { + return this.quarter(); + } + }, - // 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]; - } + deprecations = {}, - // determine the return type - var returnType; - if (options && options.returnType) { - var allowedValues = ["DataTable", "Array", "Object"]; - returnType = allowedValues.indexOf(options.returnType) == -1 ? "Array" : options.returnType; + lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin']; - 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"'); + // 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'); + } } - } - 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; + function hasOwnProp(a, b) { + return hasOwnProperty.call(a, b); } - } - 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); - } + + 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 + }; } - } - 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); + + function printMsg(msg) { + if (moment.suppressDeprecationWarnings === false && + typeof console !== 'undefined' && console.warn) { + console.warn('Deprecation warning: ' + msg); } - } } - } - - // order the results - if (options && options.order && id == undefined) { - this._sort(items, options.order); - } - // filter fields of the items - if (options && options.fields) { - var fields = options.fields; - if (id != undefined) { - item = this._filterFields(item, fields); - } - else { - for (i = 0, len = items.length; i < len; i++) { - items[i] = this._filterFields(items[i], fields); - } + function deprecate(msg, fn) { + var firstTime = true; + return extend(function () { + if (firstTime) { + printMsg(msg); + firstTime = false; + } + return fn.apply(this, arguments); + }, fn); } - } - // 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); + function deprecateSimple(name, msg) { + if (!deprecations[name]) { + printMsg(msg); + deprecations[name] = true; + } } - else { - // copy the items to the provided data table - for (i = 0; i < items.length; i++) { - me._appendRow(data, columns, items[i]); - } + + function padToken(func, count) { + return function (a) { + return leftZeroFill(func.call(this, a), count); + }; } - return data; - } - else if (returnType == "Object") { - var result = {}; - for (i = 0; i < items.length; i++) { - result[items[i].id] = items[i]; + function ordinalizeToken(func, period) { + return function (a) { + return this.localeData().ordinal(func.call(this, a), period); + }; } - return result; - } - else { - // return an array - if (id != undefined) { - // a single item - return item; + + while (ordinalizeTokens.length) { + i = ordinalizeTokens.pop(); + formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i); } - 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; - } + while (paddedTokens.length) { + i = paddedTokens.pop(); + formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2); } - } - }; - - /** - * 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 = []; + formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3); - 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); + /************************************ + Constructors + ************************************/ - 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]); - } - } - } + function Locale() { } - } - else { - // get all items - if (order) { - // create an ordered list - items = []; - for (id in data) { - if (data.hasOwnProperty(id)) { - items.push(data[id]); - } - } - - this._sort(items, order); - for (i = 0, len = items.length; i < len; i++) { - ids[i] = items[i][this._fieldId]; - } - } - else { - // create unordered list - for (id in data) { - if (data.hasOwnProperty(id)) { - item = data[id]; - ids.push(item[this._fieldId]); + // Moment prototype object + function Moment(config, skipOverflow) { + if (skipOverflow !== false) { + checkOverflow(config); } - } + copyConfig(this, config); + this._d = new Date(+config._d); } - } - return ids; - }; + // 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; - /** - * 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; - }; + // 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; - /** - * 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; + this._data = {}; - if (options && options.order) { - // execute forEach on ordered list - var items = this.get(options); + this._locale = moment.localeData(); - 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._bubble(); } - } - }; - /** - * 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; + /************************************ + Helpers + ************************************/ - // convert and filter items - for (var id in data) { - if (data.hasOwnProperty(id)) { - item = this._getItem(id, type); - if (!filter || filter(item)) { - mappedItems.push(callback(item, id)); - } - } - } - // order items - if (options && options.order) { - this._sort(mappedItems, options.order); - } + function extend(a, b) { + for (var i in b) { + if (hasOwnProp(b, i)) { + a[i] = b[i]; + } + } - return mappedItems; - }; + if (hasOwnProp(b, 'toString')) { + a.toString = b.toString; + } - /** - * 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 = {}; + if (hasOwnProp(b, 'valueOf')) { + a.valueOf = b.valueOf; + } - for (var field in item) { - if (item.hasOwnProperty(field) && (fields.indexOf(field) != -1)) { - filteredItem[field] = item[field]; + return a; } - } - return filteredItem; - }; + function copyConfig(to, from) { + var i, prop, val; - /** - * 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'); - } - }; + 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; + } - /** - * 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 (momentProperties.length > 0) { + for (i in momentProperties) { + prop = momentProperties[i]; + val = from[prop]; + if (typeof val !== 'undefined') { + to[prop] = val; + } + } + } - 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); + return to; } - } - if (removedIds.length) { - this._trigger('remove', {items: removedIds}, senderId); - } + function absRound(number) { + if (number < 0) { + return Math.ceil(number); + } else { + return Math.floor(number); + } + } - return removedIds; - }; + // 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; - /** - * 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; + while (output.length < targetLength) { + output = '0' + output; + } + return (sign ? (forceSign ? '+' : '') : '-') + output; } - } - return null; - }; - /** - * Clear the data - * @param {String} [senderId] Optional sender id - * @return {Array} removedIds The ids of all removed items - */ - DataSet.prototype.clear = function (senderId) { - var ids = Object.keys(this._data); + function positiveMomentsDifference(base, other) { + var res = {milliseconds: 0, months: 0}; - this._data = {}; + res.months = other.month() - base.month() + + (other.year() - base.year()) * 12; + if (base.clone().add(res.months, 'M').isAfter(other)) { + --res.months; + } - this._trigger('remove', {items: ids}, senderId); + res.milliseconds = +other - +(base.clone().add(res.months, 'M')); - return ids; - }; + return res; + } - /** - * 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; + 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; + } - 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 res; } - } - return max; - }; + // 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; + } - /** - * 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; + val = typeof val === 'string' ? +val : val; + dur = moment.duration(val, period); + addOrSubtractDurationFromMoment(this, dur, direction); + return this; + }; + } - 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 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); + } } - } - return min; - }; + // check if is an array + function isArray(input) { + return Object.prototype.toString.call(input) === '[object Array]'; + } - /** - * 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 isDate(input) { + return Object.prototype.toString.call(input) === '[object Date]' || + input instanceof Date; + } - 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; + // 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++; + } } - } - if (!exists && (value !== undefined)) { - values[count] = value; - count++; - } + return diffs + lengthDiff; } - } - if (fieldType) { - for (i = 0; i < values.length; i++) { - values[i] = util.convert(values[i], fieldType); + function normalizeUnits(units) { + if (units) { + var lowered = units.toLowerCase().replace(/(.)s$/, '$1'); + units = unitAliases[units] || camelFunctions[lowered] || lowered; + } + return units; } - } - return values; - }; + function normalizeObjectUnits(inputObject) { + var normalizedInput = {}, + normalizedProp, + prop; - /** - * 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]; + for (prop in inputObject) { + if (hasOwnProp(inputObject, prop)) { + normalizedProp = normalizeUnits(prop); + if (normalizedProp) { + normalizedInput[normalizedProp] = inputObject[prop]; + } + } + } - 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'); + return normalizedInput; } - } - else { - // generate an id - id = util.randomUUID(); - item[this._fieldId] = id; - } - var d = {}; - for (var field in item) { - if (item.hasOwnProperty(field)) { - var fieldType = this._type[field]; // type may be undefined - d[field] = util.convert(item[field], fieldType); - } - } - this._data[id] = d; + function makeList(field) { + var count, setter; - return id; - }; + if (field.indexOf('week') === 0) { + count = 7; + setter = 'day'; + } + else if (field.indexOf('month') === 0) { + count = 12; + setter = 'month'; + } + else { + return; + } - /** - * 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; + moment[field] = function (format, index) { + var i, getter, + method = moment._locale[field], + results = []; - // get the item from the dataset - var raw = this._data[id]; - if (!raw) { - return null; - } + if (typeof format === 'number') { + index = format; + format = undefined; + } - // convert the items field types - var converted = {}; - if (types) { - for (field in raw) { - if (raw.hasOwnProperty(field)) { - value = raw[field]; - converted[field] = util.convert(value, types[field]); - } - } - } - else { - // no field types specified, no converting needed - for (field in raw) { - if (raw.hasOwnProperty(field)) { - value = raw[field]; - converted[field] = value; - } - } - } - return converted; - }; - - /** - * Update a single item: merge with existing item. - * Will fail when the item has no id, or when there does not exist an item - * with the same id. - * @param {Object} item - * @return {String} id - * @private - */ - DataSet.prototype._updateItem = function (item) { - var id = item[this._fieldId]; - if (id == undefined) { - throw new Error('Cannot update item: item has no id (item: ' + JSON.stringify(item) + ')'); - } - var d = this._data[id]; - if (!d) { - // item doesn't exist - throw new Error('Cannot update item: no item with id ' + id + ' found'); - } + getter = function (i) { + var m = moment().utc().set(setter, i); + return method.call(moment._locale, m, format || ''); + }; - // 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); + if (index != null) { + return getter(index); + } + else { + for (i = 0; i < count; i++) { + results.push(getter(i)); + } + return results; + } + }; } - } - - return id; - }; - - /** - * Get an array with the column names of a Google DataTable - * @param {DataTable} dataTable - * @return {String[]} columnNames - * @private - */ - DataSet.prototype._getColumnNames = function (dataTable) { - var columns = []; - for (var col = 0, cols = dataTable.getNumberOfColumns(); col < cols; col++) { - columns[col] = dataTable.getColumnId(col) || dataTable.getColumnLabel(col); - } - return columns; - }; - - /** - * Append an item as a row to the dataTable - * @param dataTable - * @param columns - * @param item - * @private - */ - DataSet.prototype._appendRow = function (dataTable, columns, item) { - var row = dataTable.addRow(); - - for (var col = 0, cols = columns.length; col < cols; col++) { - var field = columns[col]; - dataTable.setValue(row, col, item[field]); - } - }; - - module.exports = DataSet; - - -/***/ }, -/* 4 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var DataSet = __webpack_require__(3); - - /** - * DataView - * - * a dataview offers a filtered view on a dataset or an other dataview. - * - * @param {DataSet | DataView} data - * @param {Object} [options] Available options: see method get - * - * @constructor DataView - */ - function DataView (data, options) { - this._data = null; - this._ids = {}; // ids of the items currently in memory (just contains a boolean true) - this._options = options || {}; - this._fieldId = 'id'; // name of the field containing id - this._subscribers = {}; // event subscribers - - var me = this; - this.listener = function () { - me._onEvent.apply(me, arguments); - }; - - this.setData(data); - } - // TODO: implement a function .config() to dynamically update things like configured filter - // and trigger changes accordingly + function toInt(argumentForCoercion) { + var coercedNumber = +argumentForCoercion, + value = 0; - /** - * Set a data source for the view - * @param {DataSet | DataView} data - */ - DataView.prototype.setData = function (data) { - var ids, i, len; + if (coercedNumber !== 0 && isFinite(coercedNumber)) { + if (coercedNumber >= 0) { + value = Math.floor(coercedNumber); + } else { + value = Math.ceil(coercedNumber); + } + } - if (this._data) { - // unsubscribe from current dataset - if (this._data.unsubscribe) { - this._data.unsubscribe('*', this.listener); + return value; } - // trigger a remove of all items in memory - ids = []; - for (var id in this._ids) { - if (this._ids.hasOwnProperty(id)) { - ids.push(id); - } + function daysInMonth(year, month) { + return new Date(Date.UTC(year, month + 1, 0)).getUTCDate(); } - this._ids = {}; - this._trigger('remove', {items: ids}); - } - this._data = data; - - if (this._data) { - // update fieldId - this._fieldId = this._options.fieldId || - (this._data && this._data.options && this._data.options.fieldId) || - 'id'; - - // trigger an add of all added items - ids = this._data.getIds({filter: this._options && this._options.filter}); - for (i = 0, len = ids.length; i < len; i++) { - id = ids[i]; - this._ids[id] = true; + function weeksInYear(year, dow, doy) { + return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week; } - this._trigger('add', {items: ids}); - // subscribe to new dataset - if (this._data.on) { - this._data.on('*', this.listener); + function daysInYear(year) { + return isLeapYear(year) ? 366 : 365; } - } - }; - /** - * 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; + function isLeapYear(year) { + return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; + } - // 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]; - } + 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] > 23 ? 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; - // extend the options with the default options and provided options - var viewOptions = util.extend({}, this._options, options); + if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { + overflow = DATE; + } - // 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); + m._pf.overflow = overflow; + } } - } - // build up the call to the linked data set - var getArguments = []; - if (ids != undefined) { - getArguments.push(ids); - } - getArguments.push(viewOptions); - getArguments.push(data); + 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; - return this._data && this._data.get.apply(this._data, getArguments); - }; + if (m._strict) { + m._isValid = m._isValid && + m._pf.charsLeftOver === 0 && + m._pf.unusedTokens.length === 0; + } + } + return m._isValid; + } - /** - * 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; + function normalizeLocale(key) { + return key ? key.toLowerCase().replace('_', '-') : key; + } - if (this._data) { - var defaultFilter = this._options.filter; - var filter; + // 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; - if (options && options.filter) { - if (defaultFilter) { - filter = function (item) { - return defaultFilter(item) && options.filter(item); + 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++; } - } - else { - filter = options.filter; - } + return null; } - else { - filter = defaultFilter; + + 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]; } - ids = this._data.getIds({ - filter: filter, - order: options && options.order - }); - } - else { - ids = []; - } + // Return a moment from input, that is local/utc/zone equivalent to model. + function makeAs(input, model) { + return model._isUTC ? moment(input).zone(model._offset || 0) : + moment(input).local(); + } - return ids; - }; + /************************************ + Locale + ************************************/ - /** - * Get the DataSet to which this DataView is connected. In case there is a chain - * of multiple DataViews, the root DataSet of this chain is returned. - * @return {DataSet} dataSet - */ - DataView.prototype.getDataSet = function () { - var dataSet = this; - while (dataSet instanceof DataView) { - dataSet = dataSet._data; - } - return dataSet || null; - }; - /** - * Event listener. Will propagate all events from the connected data set to - * the subscribers of the DataView, but will filter the items and only trigger - * when there are changes in the filtered data set. - * @param {String} event - * @param {Object | null} params - * @param {String} senderId - * @private - */ - DataView.prototype._onEvent = function (event, params, senderId) { - var i, len, id, item, - ids = params && params.items, - data = this._data, - added = [], - updated = [], - removed = []; + extend(Locale.prototype, { - 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); - } - } + set : function (config) { + var prop, i; + for (i in config) { + prop = config[i]; + if (typeof prop === 'function') { + this[i] = prop; + } else { + this['_' + i] = prop; + } + } + }, - break; + _months : 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'), + months : function (m) { + return this._months[m.month()]; + }, - 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); + _monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'), + monthsShort : function (m) { + return this._monthsShort[m.month()]; + }, - 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); + monthsParse : function (monthName) { + var i, mom, regex; + + if (!this._monthsParse) { + this._monthsParse = []; } - else { - // nothing interesting for me :-( + + for (i = 0; i < 12; i++) { + // make the regex if we don't have it already + if (!this._monthsParse[i]) { + mom = moment.utc([2000, i]); + regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); + this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); + } + // test the regex + if (this._monthsParse[i].test(monthName)) { + return i; + } } - } - } + }, - break; + _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'), + weekdays : function (m) { + return this._weekdays[m.day()]; + }, - 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); - } - } + _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'), + weekdaysShort : function (m) { + return this._weekdaysShort[m.day()]; + }, - break; - } + _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'), + weekdaysMin : function (m) { + return this._weekdaysMin[m.day()]; + }, - 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); - } - } - }; + weekdaysParse : function (weekdayName) { + var i, mom, regex; - // copy subscription functionality from DataSet - DataView.prototype.on = DataSet.prototype.on; - DataView.prototype.off = DataSet.prototype.off; - DataView.prototype._trigger = DataSet.prototype._trigger; + if (!this._weekdaysParse) { + this._weekdaysParse = []; + } - // 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; + 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; + } + } + }, -/***/ }, -/* 5 */ -/***/ function(module, exports, __webpack_require__) { + _longDateFormat : { + 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; + }, - /** - * 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; + 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'); + }, - // properties - this._queue = []; - this._timeout = null; - this._extended = null; + _meridiemParse : /[ap]\.?m?\.?/i, + meridiem : function (hours, minutes, isLower) { + if (hours > 11) { + return isLower ? 'pm' : 'PM'; + } else { + return isLower ? 'am' : 'AM'; + } + }, - this.setOptions(options); - } + _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) { + var output = this._calendar[key]; + return typeof output === 'function' ? output.apply(mom) : output; + }, - /** - * 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; - } + _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' + }, - this._flushIfNeeded(); - }; + 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); + }, - /** - * 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); + pastFuture : function (diff, output) { + var format = this._relativeTime[diff > 0 ? 'future' : 'past']; + return typeof format === 'function' ? format(output) : format.replace(/%s/i, output); + }, - if (object.flush !== undefined) { - throw new Error('Target object already has a property flush'); - } - object.flush = function () { - queue.flush(); - }; + ordinal : function (number) { + return this._ordinal.replace('%d', number); + }, + _ordinal : '%d', - var methods = [{ - name: 'flush', - original: undefined - }]; + preparse : function (string) { + return string; + }, - 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); - } - } + postformat : function (string) { + return string; + }, - queue._extended = { - object: object, - methods: methods - }; + week : function (mom) { + return weekOfYear(mom, this._week.dow, this._week.doy).week; + }, - return queue; - }; + _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. + }, - /** - * 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(); + _invalidDate: 'Invalid date', + invalidDate: function () { + return this._invalidDate; + } + }); - 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; - } - }; + /************************************ + Formatting + ************************************/ - /** - * 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 removeFormattingTokens(input) { + if (input.match(/\[[\s\S]/)) { + return input.replace(/^\[|\]$/g, ''); + } + return input.replace(/\\/g, ''); } - // add this call to the queue - me.queue({ - args: args, - fn: original, - context: this - }); - }; - }; - - /** - * Queue a call - * @param {function | {fn: function, args: Array} | {fn: function, args: Array, context: Object}} entry - */ - Queue.prototype.queue = function(entry) { - if (typeof entry === 'function') { - this._queue.push({fn: entry}); - } - else { - this._queue.push(entry); - } - - this._flushIfNeeded(); - }; + function makeFormatFunction(format) { + var array = format.match(formattingTokens), i, length; - /** - * 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(); - } + for (i = 0, length = array.length; i < length; i++) { + if (formatTokenFunctions[array[i]]) { + array[i] = formatTokenFunctions[array[i]]; + } else { + array[i] = removeFormattingTokens(array[i]); + } + } - // 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); - } - }; + 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; + }; + } - /** - * 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 || []); - } - }; + // format date using native date object + function formatMoment(m, format) { + if (!m.isValid()) { + return m.localeData().invalidDate(); + } - module.exports = Queue; + format = expandFormat(format, m.localeData()); + if (!formatFunctions[format]) { + formatFunctions[format] = makeFormatFunction(format); + } -/***/ }, -/* 6 */ -/***/ function(module, exports, __webpack_require__) { + return formatFunctions[format](m); + } - var Emitter = __webpack_require__(53); - 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); + function expandFormat(format, locale) { + var i = 5; - /** - * @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'); - } + function replaceLongDateFormatTokens(input) { + return locale.longDateFormat(input) || input; + } - // 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%'; + localFormattingTokens.lastIndex = 0; + while (i >= 0 && localFormattingTokens.test(format)) { + format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); + localFormattingTokens.lastIndex = 0; + i -= 1; + } - this.xLabel = 'x'; - this.yLabel = 'y'; - this.zLabel = 'z'; + return format; + } - var passValueFn = function(v) { return v; }; - this.xValueLabel = passValueFn; - this.yValueLabel = passValueFn; - this.zValueLabel = passValueFn; - - this.filterLabel = 'time'; - this.legendLabel = 'value'; - this.style = Graph3d.STYLE.DOT; - this.showPerspective = true; - this.showGrid = true; - this.keepAspectRatio = true; - this.showShadow = false; - this.showGrayBottom = false; // TODO: this does not work correctly - this.showTooltip = false; - this.verticalRatio = 0.5; // 0.1 to 1.0, where 1.0 results in a 'cube' + /************************************ + Parsing + ************************************/ - this.animationInterval = 1000; // milliseconds - this.animationPreload = false; - this.camera = new Camera(); - this.eye = new Point3d(0, 0, -1); // TODO: set eye.z about 3/4 of the width of the window? + // 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 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 parseTokenOrdinal; + default : + a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), 'i')); + return a; + } + } - this.dataTable = null; // The original data table - this.dataPoints = null; // The table with point objects + 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]); - // the column indexes - this.colX = undefined; - this.colY = undefined; - this.colZ = undefined; - this.colValue = undefined; - this.colFilter = undefined; + return parts[0] === '+' ? -minutes : minutes; + } - 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 + // function to convert string input to date + function addTimeToArrayFromToken(token, input, config) { + var a, datePartArray = config._a; - // constants - this.colorAxis = '#4D4D4D'; - this.colorGrid = '#D3D3D3'; - this.colorDot = '#7DC1FF'; - this.colorDotBorder = '#3267D2'; + 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); + // 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, 10)); + } + break; + // DAY OF YEAR + case 'DDD' : // fall through to DDDD + case 'DDDD' : + if (input != null) { + config._dayOfYear = toInt(input); + } - // create a frame and canvas - this.create(); + 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; + // 24 HOUR + case 'H' : // fall through to hh + case 'HH' : // fall through to hh + 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 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); + } + } - // apply options (also when undefined) - this.setOptions(options); + function dayOfYearFromWeekInfo(config) { + var w, weekYear, week, weekday, dow, doy, temp; - // apply data - if (data) { - this.setData(data); - } - } + w = config._w; + if (w.GG != null || w.W != null || w.E != null) { + dow = 1; + doy = 4; - // Extend Graph3d with an Emitter mixin - Emitter(Graph3d.prototype); + // 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; - /** - * 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)); + weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year); + week = dfl(w.w, 1); - // keep aspect ration between x and y scale if desired - if (this.keepAspectRatio) { - if (this.scale.x < this.scale.y) { - //noinspection JSSuspiciousNameCombination - this.scale.y = this.scale.x; - } - else { - //noinspection JSSuspiciousNameCombination - this.scale.x = this.scale.y; + if (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; } - } - // scale the vertical axis - this.scale.z *= this.verticalRatio; - // TODO: can this be automated? verticalRatio? + // 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; - // determine scale for (optional) value - this.scale.value = 1 / (this.valueMax - this.valueMin); + if (config._d) { + return; + } - // 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); - }; + 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); + } - /** - * 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); - }; + //if the day of the year is set, figure out what it is + if (config._dayOfYear) { + yearToUse = dfl(config._a[YEAR], currentDate[YEAR]); - /** - * 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, + if (config._dayOfYear > daysInYear(yearToUse)) { + config._pf._overflowDayOfYear = true; + } - cx = this.camera.getCameraLocation().x, - cy = this.camera.getCameraLocation().y, - cz = this.camera.getCameraLocation().z, + date = makeUTCDate(yearToUse, 0, config._dayOfYear); + config._a[MONTH] = date.getUTCMonth(); + config._a[DATE] = date.getUTCDate(); + } - // 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), + // 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]; + } - // 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)); + // 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 new Point3d(dx, dy, dz); - }; + 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); + } + } - /** - * 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; + function dateFromObject(config) { + var normalizedInput; - // 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()); - } + if (config._d) { + return; + } - // 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); - }; + normalizedInput = normalizeObjectUnits(config._i); + config._a = [ + normalizedInput.year, + normalizedInput.month, + normalizedInput.day, + normalizedInput.hour, + normalizedInput.minute, + normalizedInput.second, + normalizedInput.millisecond + ]; - /** - * 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; + dateFromConfig(config); + } - if (typeof(backgroundColor) === 'string') { - fill = backgroundColor; - stroke = 'none'; - strokeWidth = 0; - } - else if (typeof(backgroundColor) === 'object') { - if (backgroundColor.fill !== undefined) fill = backgroundColor.fill; - if (backgroundColor.stroke !== undefined) stroke = backgroundColor.stroke; - if (backgroundColor.strokeWidth !== undefined) strokeWidth = backgroundColor.strokeWidth; - } - else if (backgroundColor === undefined) { - // use use defaults - } - else { - throw 'Unsupported type of backgroundColor'; - } + function currentDateArray(config) { + var now = new Date(); + if (config._useUTC) { + return [ + now.getUTCFullYear(), + now.getUTCMonth(), + now.getUTCDate() + ]; + } else { + return [now.getFullYear(), now.getMonth(), now.getDate()]; + } + } - this.frame.style.backgroundColor = fill; - this.frame.style.borderColor = stroke; - this.frame.style.borderWidth = strokeWidth + 'px'; - this.frame.style.borderStyle = 'solid'; - }; + // date from string and format string + function makeDateFromStringAndFormat(config) { + if (config._f === moment.ISO_8601) { + parseISO(config); + return; + } + config._a = []; + config._pf.empty = true; - /// enumerate the available styles - Graph3d.STYLE = { - BAR: 0, - BARCOLOR: 1, - BARSIZE: 2, - DOT : 3, - DOTLINE : 4, - DOTCOLOR: 5, - DOTSIZE: 6, - GRID : 7, - LINE: 8, - SURFACE : 9 - }; + // This 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; - /** - * 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; - } + tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; - return -1; - }; + 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); + } + } - /** - * 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; + // add remaining unparsed input length to the string + config._pf.charsLeftOver = stringLength - totalParsedInputLength; + if (string.length > 0) { + config._pf.unusedInput.push(string); + } - 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; + // 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; + } - if (data.getNumberOfColumns() > 4) { - this.colFilter = 4; + dateFromConfig(config); + checkOverflow(config); } - } - else { - throw 'Unknown style "' + this.style + '"'; - } - }; - Graph3d.prototype.getNumberOfRows = function(data) { - return data.length; - } + function unescapeFormat(s) { + return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { + return p1 || p2 || p3 || p4; + }); + } + // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript + function regexpEscape(s) { + return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + } - Graph3d.prototype.getNumberOfColumns = function(data) { - var counter = 0; - for (var column in data[0]) { - if (data[0].hasOwnProperty(column)) { - counter++; - } - } - return counter; - } + // date from string and array of format strings + function makeDateFromStringAndArray(config) { + var tempConfig, + bestMoment, + scoreToBeat, + i, + currentScore; - 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; - } + if (config._f.length === 0) { + config._pf.invalidFormat = true; + config._d = new Date(NaN); + return; + } + for (i = 0; i < config._f.length; i++) { + currentScore = 0; + tempConfig = copyConfig({}, config); + if (config._useUTC != null) { + tempConfig._useUTC = config._useUTC; + } + tempConfig._pf = defaultParsingFlags(); + tempConfig._f = config._f[i]; + makeDateFromStringAndFormat(tempConfig); - Graph3d.prototype.getColumnRange = function(data,column) { - var minMax = {min:data[0][column],max:data[0][column]}; - for (var i = 0; i < data.length; i++) { - if (minMax.min > data[i][column]) { minMax.min = data[i][column]; } - if (minMax.max < data[i][column]) { minMax.max = data[i][column]; } - } - return minMax; - }; + if (!isValid(tempConfig)) { + continue; + } - /** - * Initialize the data from the data table. Calculate minimum and maximum values - * and column index values - * @param {Array | DataSet | DataView} rawData The data containing the items for the Graph. - * @param {Number} style Style Number - */ - Graph3d.prototype._dataInitialize = function (rawData, style) { - var me = this; + // if there is any input that was not parsed add a penalty for that format + currentScore += tempConfig._pf.charsLeftOver; - // unsubscribe from the dataTable - if (this.dataSet) { - this.dataSet.off('*', this._onChange); - } + //or tokens + currentScore += tempConfig._pf.unusedTokens.length * 10; - if (rawData === undefined) - return; + tempConfig._pf.score = currentScore; - if (Array.isArray(rawData)) { - rawData = new DataSet(rawData); - } + if (scoreToBeat == null || currentScore < scoreToBeat) { + scoreToBeat = currentScore; + bestMoment = tempConfig; + } + } - var data; - if (rawData instanceof DataSet || rawData instanceof DataView) { - data = rawData.get(); - } - else { - throw new Error('Array, DataSet, or DataView expected'); - } + extend(config, bestMoment || tempConfig); + } - if (data.length == 0) - return; + // date from iso format + function parseISO(config) { + var i, l, + string = config._i, + match = isoRegex.exec(string); - this.dataSet = rawData; - this.dataTable = data; + 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; + } + } - // subscribe to changes in the dataset - this._onChange = function () { - me.setData(me.dataSet); - }; - this.dataSet.on('*', this._onChange); + // date from iso format or fallback + function makeDateFromString(config) { + parseISO(config); + if (config._isValid === false) { + delete config._isValid; + moment.createFromInputFallback(config); + } + } - // _determineColumnIndexes - // getNumberOfRows (points) - // getNumberOfColumns (x,y,z,v,t,t1,t2...) - // getDistinctValues (unique values?) - // getColumnRange + function map(arr, fn) { + var res = [], i; + for (i = 0; i < arr.length; ++i) { + res.push(fn(arr[i], i)); + } + return res; + } - // determine the location of x,y,z,value,filter columns - this.colX = 'x'; - this.colY = 'y'; - this.colZ = 'z'; - this.colValue = 'style'; - this.colFilter = 'filter'; + function 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); + } + } + 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); + //the date constructor doesn't accept years < 1970 + if (y < 1970) { + date.setFullYear(y); + } + return date; + } - // 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();}); + 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; + } - var withBars = this.style == Graph3d.STYLE.BAR || - this.style == Graph3d.STYLE.BARCOLOR || - this.style == Graph3d.STYLE.BARSIZE; + /************************************ + Relative Time + ************************************/ - // 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; + // 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 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; + 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')), - 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; + 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]; - 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; - } + args[2] = withoutSuffix; + args[3] = +posNegDuration > 0; + args[4] = locale; + return substituteTimeAgo.apply({}, args); + } - // set the scale dependent on the ranges. - this._setScale(); - }; + /************************************ + Week of Year + ************************************/ - /** - * 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; + // 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; - var dataPoints = []; - if (this.style === Graph3d.STYLE.GRID || - this.style === Graph3d.STYLE.SURFACE) { - // copy all values from the google data table to a matrix - // the provided values are supposed to form a grid of (x,y) positions + if (daysToDayOfWeek > end) { + daysToDayOfWeek -= 7; + } - // create two lists with all present x and y values - var dataX = []; - var dataY = []; - for (i = 0; i < this.getNumberOfRows(data); i++) { - x = data[i][this.colX] || 0; - y = data[i][this.colY] || 0; + if (daysToDayOfWeek < end - 7) { + daysToDayOfWeek += 7; + } - if (dataX.indexOf(x) === -1) { - dataX.push(x); - } - if (dataY.indexOf(y) === -1) { - dataY.push(y); - } + adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd'); + return { + week: Math.ceil(adjustedMoment.dayOfYear() / 7), + year: adjustedMoment.year() + }; } - function sortNumber(a, b) { - return a - b; + //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday + function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) { + var d = makeUTCDate(year, 0, 1).getUTCDay(), daysToAdd, dayOfYear; + + d = d === 0 ? 7 : d; + weekday = weekday != null ? weekday : firstDayOfWeek; + daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0); + dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1; + + return { + year: dayOfYear > 0 ? year : year - 1, + dayOfYear: dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear + }; } - 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; + /************************************ + Top Level Functions + ************************************/ - var xIndex = dataX.indexOf(x); // TODO: implement Array().indexOf() for Internet Explorer - var yIndex = dataY.indexOf(y); + function makeMoment(config) { + var input = config._i, + format = config._f; - if (dataMatrix[xIndex] === undefined) { - dataMatrix[xIndex] = []; - } + config._locale = config._locale || moment.localeData(config._l); - var point3d = new Point3d(); - point3d.x = x; - point3d.y = y; - point3d.z = z; + if (input === null || (format === undefined && input === '')) { + return moment.invalid({nullInput: true}); + } - obj = {}; - obj.point = point3d; - obj.trans = undefined; - obj.screen = undefined; - obj.bottom = new Point3d(x, y, this.zMin); + if (typeof input === 'string') { + config._i = input = config._locale.preparse(input); + } - dataMatrix[xIndex][yIndex] = obj; + if (moment.isMoment(input)) { + return new Moment(input, true); + } else if (format) { + if (isArray(format)) { + makeDateFromStringAndArray(config); + } else { + makeDateFromStringAndFormat(config); + } + } else { + makeDateFromInput(config); + } - dataPoints.push(obj); + return new Moment(config); } - // 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; + moment = function (input, format, locale, strict) { + var c; + + if (typeof(locale) === 'boolean') { + strict = locale; + locale = 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; + // object construction must be done this way. + // https://github.com/moment/moment/issues/1423 + c = {}; + c._isAMomentObject = true; + c._i = input; + c._f = format; + c._l = locale; + c._strict = strict; + c._isUTC = false; + c._pf = defaultParsingFlags(); - if (this.colValue !== undefined) { - point.value = data[i][this.colValue] || 0; - } + return makeMoment(c); + }; - obj = {}; - obj.point = point; - obj.bottom = new Point3d(point.x, point.y, this.zMin); - obj.trans = undefined; - obj.screen = undefined; + moment.suppressDeprecationWarnings = false; - dataPoints.push(obj); + 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); + } + ); + + // 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; } - } - return dataPoints; - }; + moment.min = function () { + var args = [].slice.call(arguments, 0); - /** - * 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); - } + return pickBy('isBefore', args); + }; - this.frame = document.createElement('div'); - this.frame.style.position = 'relative'; - this.frame.style.overflow = 'hidden'; + moment.max = function () { + var args = [].slice.call(arguments, 0); - // 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); + return pickBy('isAfter', args); + }; - // 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' + // creating with utc + moment.utc = function (input, format, locale, strict) { + var c; - 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); + 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(); - // add the new graph to the container element - this.containerElement.appendChild(this.frame); - }; + return makeMoment(c).utc(); + }; + // creating with unix timestamp (in seconds) + moment.unix = function (input) { + return moment(input * 1000); + }; - /** - * 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; + // duration + moment.duration = function (input, key) { + var duration = input, + // matching against regexp is expensive, do it on demand + match = null, + sign, + ret, + parseIso, + diffRes; - this._resizeCanvas(); - }; + 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)); - /** - * 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%'; + duration = {}; + duration.ms = diffRes.milliseconds; + duration.M = diffRes.months; + } - this.frame.canvas.width = this.frame.canvas.clientWidth; - this.frame.canvas.height = this.frame.canvas.clientHeight; + ret = new Duration(duration); - // adjust with for margin - this.frame.filter.style.width = (this.frame.canvas.clientWidth - 2 * 10) + 'px'; - }; + if (moment.isDuration(input) && hasOwnProp(input, '_locale')) { + ret._locale = input._locale; + } - /** - * Start animation - */ - Graph3d.prototype.animationStart = function() { - if (!this.frame.filter || !this.frame.filter.slider) - throw 'No animation available'; + return ret; + }; - this.frame.filter.slider.play(); - }; + // version number + moment.version = VERSION; + // default format + moment.defaultFormat = isoFormat; - /** - * Stop animation - */ - Graph3d.prototype.animationStop = function() { - if (!this.frame.filter || !this.frame.filter.slider) return; + // constant that refers to the ISO standard + moment.ISO_8601 = function () {}; - this.frame.filter.slider.stop(); - }; + // 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 () {}; - /** - * 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 - } + // 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; + }; - // 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 - } - }; + moment.lang = deprecate( + 'moment.lang is deprecated. Use moment.locale instead.', + function (key, value) { + return moment.locale(key, value); + } + ); - /** - * 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; - } + // This function will load locale and then set the global locale. If + // no arguments are passed in, it will simply return the current global + // locale key. + moment.locale = function (key, values) { + var data; + if (key) { + if (typeof(values) !== 'undefined') { + data = moment.defineLocale(key, values); + } + else { + data = moment.localeData(key); + } - if (pos.horizontal !== undefined && pos.vertical !== undefined) { - this.camera.setArmRotation(pos.horizontal, pos.vertical); - } + if (data) { + moment.duration._locale = moment._locale = data; + } + } - if (pos.distance !== undefined) { - this.camera.setArmLength(pos.distance); - } + return moment._locale._abbr; + }; - this.redraw(); - }; + moment.defineLocale = function (name, values) { + if (values !== null) { + values.abbr = name; + if (!locales[name]) { + locales[name] = new Locale(); + } + locales[name].set(values); + // backwards compat for now: also set the locale + moment.locale(name); - /** - * Retrieve the current camera rotation - * @return {object} An object with parameters horizontal, vertical, and - * distance - */ - Graph3d.prototype.getCameraPosition = function() { - var pos = this.camera.getArmRotation(); - pos.distance = this.camera.getArmLength(); - return pos; - }; + return locales[name]; + } else { + // useful for testing + delete locales[name]; + return null; + } + }; - /** - * Load data into the 3D Graph - */ - Graph3d.prototype._readData = function(data) { - // read the data - this._dataInitialize(data, this.style); + 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; - if (this.dataFilter) { - // apply filtering - this.dataPoints = this.dataFilter._getDataPoints(); - } - else { - // no filtering. load all data - this.dataPoints = this._getDataPoints(this.dataTable); - } + if (key && key._locale && key._locale._abbr) { + key = key._locale._abbr; + } - // draw the filter - this._redrawFilter(); - }; + if (!key) { + return moment._locale; + } - /** - * Replace the dataset of the Graph3d - * @param {Array | DataSet | DataView} data - */ - Graph3d.prototype.setData = function (data) { - this._readData(data); - this.redraw(); + if (!isArray(key)) { + //short-circuit everything else + locale = loadLocale(key); + if (locale) { + return locale; + } + key = [key]; + } - // start animation when option is true - if (this.animationAutoStart && this.dataFilter) { - this.animationStart(); - } - }; + return chooseLocale(key); + }; - /** - * Update the options. Options will be merged with current options - * @param {Object} options - */ - Graph3d.prototype.setOptions = function (options) { - var cameraPosition = undefined; + // compare moment object + moment.isMoment = function (obj) { + return obj instanceof Moment || + (obj != null && hasOwnProp(obj, '_isAMomentObject')); + }; - this.animationStop(); + // for typechecking Duration objects + moment.isDuration = function (obj) { + return obj instanceof Duration; + }; - if (options !== undefined) { - // retrieve parameter values - if (options.width !== undefined) this.width = options.width; - if (options.height !== undefined) this.height = options.height; + for (i = lists.length - 1; i >= 0; --i) { + makeList(lists[i]); + } - if (options.xCenter !== undefined) this.defaultXCenter = options.xCenter; - if (options.yCenter !== undefined) this.defaultYCenter = options.yCenter; + moment.normalizeUnits = function (units) { + return normalizeUnits(units); + }; - 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; + moment.invalid = function (flags) { + var m = moment.utc(NaN); + if (flags != null) { + extend(m._pf, flags); + } + else { + m._pf.userInvalidated = true; + } - if (options.xValueLabel !== undefined) this.xValueLabel = options.xValueLabel; - if (options.yValueLabel !== undefined) this.yValueLabel = options.yValueLabel; - if (options.zValueLabel !== undefined) this.zValueLabel = options.zValueLabel; + return m; + }; - 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; + moment.parseZone = function () { + return moment.apply(null, arguments).parseZone(); + }; - if (options.animationInterval !== undefined) this.animationInterval = options.animationInterval; - if (options.animationPreload !== undefined) this.animationPreload = options.animationPreload; - if (options.animationAutoStart !== undefined)this.animationAutoStart = options.animationAutoStart; + moment.parseTwoDigitYear = function (input) { + return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); + }; - if (options.xBarWidth !== undefined) this.defaultXBarWidth = options.xBarWidth; - if (options.yBarWidth !== undefined) this.defaultYBarWidth = options.yBarWidth; + /************************************ + Moment Prototype + ************************************/ - if (options.xMin !== undefined) this.defaultXMin = options.xMin; - if (options.xStep !== undefined) this.defaultXStep = options.xStep; - if (options.xMax !== undefined) this.defaultXMax = options.xMax; - if (options.yMin !== undefined) this.defaultYMin = options.yMin; - if (options.yStep !== undefined) this.defaultYStep = options.yStep; - if (options.yMax !== undefined) this.defaultYMax = options.yMax; - if (options.zMin !== undefined) this.defaultZMin = options.zMin; - if (options.zStep !== undefined) this.defaultZStep = options.zStep; - if (options.zMax !== undefined) this.defaultZMax = options.zMax; - if (options.valueMin !== undefined) this.defaultValueMin = options.valueMin; - if (options.valueMax !== undefined) this.defaultValueMax = options.valueMax; - if (options.cameraPosition !== undefined) cameraPosition = options.cameraPosition; + extend(moment.fn = Moment.prototype, { - 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); - } - } + clone : function () { + return moment(this); + }, - this._setBackgroundColor(options && options.backgroundColor); + valueOf : function () { + return +this._d + ((this._offset || 0) * 60000); + }, - this.setSize(this.width, this.height); + unix : function () { + return Math.floor(+this / 1000); + }, - // re-load the data - if (this.dataTable) { - this.setData(this.dataTable); - } + toString : function () { + return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); + }, - // start animation when option is true - if (this.animationAutoStart && this.dataFilter) { - this.animationStart(); - } - }; + toDate : function () { + return this._offset ? new Date(+this) : this._d; + }, - /** - * Redraw the Graph. - */ - Graph3d.prototype.redraw = function() { - if (this.dataPoints === undefined) { - throw 'Error: graph data not initialized'; - } + toISOString : function () { + var m = moment(this).utc(); + if (0 < m.year() && m.year() <= 9999) { + 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(); - this._resizeCenter(); - this._redrawSlider(); - this._redrawClear(); - this._redrawAxis(); + toArray : function () { + var m = this; + return [ + m.year(), + m.month(), + m.date(), + m.hours(), + m.minutes(), + m.seconds(), + m.milliseconds() + ]; + }, - 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(); - } + isValid : function () { + return isValid(this); + }, - this._redrawInfo(); - this._redrawLegend(); - }; + isDSTShifted : function () { + if (this._a) { + return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0; + } - /** - * Clear the canvas before redrawing - */ - Graph3d.prototype._redrawClear = function() { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); + return false; + }, - ctx.clearRect(0, 0, canvas.width, canvas.height); - }; + parsingFlags : function () { + return extend({}, this._pf); + }, + invalidAt: function () { + return this._pf.overflow; + }, - /** - * Redraw the legend showing the colors - */ - Graph3d.prototype._redrawLegend = function() { - var y; + utc : function (keepLocalTime) { + return this.zone(0, keepLocalTime); + }, - if (this.style === Graph3d.STYLE.DOTCOLOR || - this.style === Graph3d.STYLE.DOTSIZE) { + local : function (keepLocalTime) { + if (this._isUTC) { + this.zone(0, keepLocalTime); + this._isUTC = false; - var dotSize = this.frame.clientWidth * 0.02; + if (keepLocalTime) { + this.add(this._dateTzOffset(), 'm'); + } + } + 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 - } + format : function (inputString) { + var output = formatMoment(this, inputString || moment.defaultFormat); + return this.localeData().postformat(output); + }, - 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; - } + add : createAdder(1, 'add'), - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); - ctx.lineWidth = 1; - ctx.font = '14px arial'; // TODO: put in options + subtract : createAdder(-1, 'subtract'), - 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); + diff : function (input, units, asFloat) { + var that = makeAs(input, this), + zoneDiff = (this.zone() - that.zone()) * 6e4, + diff, output, daysAdjust; - //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); + units = normalizeUnits(units); - ctx.strokeStyle = color; - ctx.beginPath(); - ctx.moveTo(left, top + y); - ctx.lineTo(right, top + y); - ctx.stroke(); - } + 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); + }, - ctx.strokeStyle = this.colorAxis; - ctx.strokeRect(left, top, widthMax, height); - } + from : function (time, withoutSuffix) { + return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); + }, - 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(); - } + fromNow : function (withoutSuffix) { + return this.from(moment(), withoutSuffix); + }, - 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; + 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)); + }, - ctx.beginPath(); - ctx.moveTo(left - gridLineLen, y); - ctx.lineTo(left, y); - ctx.stroke(); + isLeapYear : function () { + return isLeapYear(this.year()); + }, - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = this.colorAxis; - ctx.fillText(step.getCurrent(), left - 2 * gridLineLen, y); + isDST : function () { + return (this.zone() < this.clone().month(0).zone() || + this.zone() < this.clone().month(5).zone()); + }, - step.next(); - } + 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; + } + }, - ctx.textAlign = 'right'; - ctx.textBaseline = 'top'; - var label = this.legendLabel; - ctx.fillText(label, right, bottom + this.margin); - } - }; + month : makeAccessor('Month', true), - /** - * Redraw the filter - */ - Graph3d.prototype._redrawFilter = function() { - this.frame.filter.innerHTML = ''; + 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 */ + } - if (this.dataFilter) { - var options = { - 'visible': this.showAnimationControls - }; - var slider = new Slider(this.frame.filter, options); - this.frame.filter.slider = slider; + // weeks are a special case + if (units === 'week') { + this.weekday(0); + } else if (units === 'isoWeek') { + this.isoWeekday(1); + } - // TODO: css here is not nice here... - this.frame.filter.style.padding = '10px'; - //this.frame.filter.style.backgroundColor = '#EFEFEF'; + // quarters are also special + if (units === 'quarter') { + this.month(Math.floor(this.month() / 3) * 3); + } - slider.setValues(this.dataFilter.values); - slider.setPlayInterval(this.animationInterval); + return this; + }, - // create an event handler - var me = this; - var onchange = function () { - var index = slider.getIndex(); + endOf: function (units) { + units = normalizeUnits(units); + return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); + }, - me.dataFilter.selectValue(index); - me.dataPoints = me.dataFilter._getDataPoints(); + isAfter: function (input, units) { + units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); + if (units === 'millisecond') { + input = moment.isMoment(input) ? input : moment(input); + return +this > +input; + } else { + return +this.clone().startOf(units) > +moment(input).startOf(units); + } + }, - me.redraw(); - }; - slider.setOnChangeCallback(onchange); - } - else { - this.frame.filter.slider = undefined; - } - }; + isBefore: function (input, units) { + units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); + if (units === 'millisecond') { + input = moment.isMoment(input) ? input : moment(input); + return +this < +input; + } else { + return +this.clone().startOf(units) < +moment(input).startOf(units); + } + }, - /** - * Redraw the slider - */ - Graph3d.prototype._redrawSlider = function() { - if ( this.frame.filter.slider !== undefined) { - this.frame.filter.slider.redraw(); - } - }; + isSame: function (input, units) { + units = normalizeUnits(units || 'millisecond'); + if (units === 'millisecond') { + input = moment.isMoment(input) ? input : moment(input); + return +this === +input; + } else { + return +this.clone().startOf(units) === +makeAs(input, this).startOf(units); + } + }, + 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; + } + ), - /** - * Redraw common information - */ - Graph3d.prototype._redrawInfo = function() { - if (this.dataFilter) { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); + 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; + } + ), - ctx.font = '14px arial'; // TODO: put in options - ctx.lineStyle = 'gray'; - ctx.fillStyle = 'gray'; - ctx.textAlign = 'left'; - ctx.textBaseline = 'top'; + // keepLocalTime = true means only change the timezone, without + // affecting the local hour. So 5:31:26 +0300 --[zone(2, true)]--> + // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist int zone + // +0200, so we adjust the time as needed, to be valid. + // + // Keeping the time actually adds/subtracts (one hour) + // from the actual represented time. That is why we call updateOffset + // a second time. In case it wants us to change the offset again + // _changeInProgress == true case, then we have to adjust, because + // there is no such time in the given timezone. + zone : function (input, keepLocalTime) { + var offset = this._offset || 0, + localAdjust; + if (input != null) { + if (typeof input === 'string') { + input = timezoneMinutesFromString(input); + } + if (Math.abs(input) < 16) { + input = input * 60; + } + if (!this._isUTC && keepLocalTime) { + localAdjust = this._dateTzOffset(); + } + this._offset = input; + this._isUTC = true; + if (localAdjust != null) { + this.subtract(localAdjust, 'm'); + } + if (offset !== input) { + if (!keepLocalTime || this._changeInProgress) { + addOrSubtractDurationFromMoment(this, + moment.duration(offset - input, 'm'), 1, false); + } else if (!this._changeInProgress) { + this._changeInProgress = true; + moment.updateOffset(this, true); + this._changeInProgress = null; + } + } + } else { + return this._isUTC ? offset : this._dateTzOffset(); + } + return this; + }, - var x = this.margin; - var y = this.margin; - ctx.fillText(this.dataFilter.getLabel() + ': ' + this.dataFilter.getSelectedValue(), x, y); - } - }; + zoneAbbr : function () { + return this._isUTC ? 'UTC' : ''; + }, + zoneName : function () { + return this._isUTC ? 'Coordinated Universal Time' : ''; + }, - /** - * 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; + parseZone : function () { + if (this._tzm) { + this.zone(this._tzm); + } else if (typeof this._i === 'string') { + this.zone(this._i); + } + return this; + }, - // TODO: get the actual rendered style of the containerElement - //ctx.font = this.containerElement.style.font; - ctx.font = 24 / this.camera.getArmLength() + 'px arial'; + hasAlignedHourOffset : function (input) { + if (!input) { + input = 0; + } + else { + input = moment(input).zone(); + } - // 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; + return (this.zone() - input) % 60 === 0; + }, - // 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(); + daysInMonth : function () { + return daysInMonth(this.year(), this.month()); + }, - 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(); + 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'); + }, - 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(); - } + quarter : function (input) { + return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); + }, - 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); + 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'); + }, - step.next(); - } + isoWeekYear : function (input) { + var year = weekOfYear(this, 1, 4).year; + return input == null ? year : this.add((input - year), 'y'); + }, - // 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(); + week : function (input) { + var week = this.localeData().week(this); + return input == null ? week : this.add((input - week) * 7, 'd'); + }, - 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(); - } + isoWeek : function (input) { + var week = weekOfYear(this, 1, 4).week; + return input == null ? week : this.add((input - week) * 7, 'd'); + }, - 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); + weekday : function (input) { + var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; + return input == null ? weekday : this.add(input - weekday, 'd'); + }, - step.next(); - } + 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); + }, - // 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(); + isoWeeksInYear : function () { + return weeksInYear(this.year(), 1, 4); + }, - ctx.textAlign = 'right'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = this.colorAxis; - ctx.fillText(this.zValueLabel(step.getCurrent()) + ' ', from.x - 5, from.y); + weeksInYear : function () { + var weekInfo = this.localeData()._week; + return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); + }, - 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(); + get : function (units) { + units = normalizeUnits(units); + return this[units](); + }, - // 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(); + set : function (units, value) { + units = normalizeUnits(units); + if (typeof this[units] === 'function') { + this[units](value); + } + return this; + }, - // draw y-axis - ctx.lineWidth = 1; - // line at xMin - from = this._convert3Dto2D(new Point3d(this.xMin, this.yMin, this.zMin)); - to = this._convert3Dto2D(new Point3d(this.xMin, this.yMax, this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); - // line at xMax - from = this._convert3Dto2D(new Point3d(this.xMax, this.yMin, this.zMin)); - to = this._convert3Dto2D(new Point3d(this.xMax, this.yMax, this.zMin)); - ctx.strokeStyle = this.colorAxis; - ctx.beginPath(); - ctx.moveTo(from.x, from.y); - ctx.lineTo(to.x, to.y); - ctx.stroke(); + // 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; - // 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); - } + if (key === undefined) { + return this._locale._abbr; + } else { + newLocaleData = moment.localeData(key); + if (newLocaleData != null) { + this._locale = newLocaleData; + } + 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); - } + lang : deprecate( + 'moment().lang() is deprecated. Use moment().localeData() instead.', + function (key) { + if (key === undefined) { + return this.localeData(); + } else { + return this.locale(key); + } + } + ), - // 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); - } - }; + localeData : function () { + return this._locale; + }, - /** - * 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; + _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; + } + }); - C = V * S; - Hi = Math.floor(H/60); // hi = 0,1,2,3,4,5 - X = C * (1 - Math.abs(((H/60) % 2) - 1)); + function rawMonthSetter(mom, value) { + var dayOfMonth; - 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; + // 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; + } + } - default: R = 0; G = 0; B = 0; break; - } + dayOfMonth = Math.min(mom.date(), + daysInMonth(mom.year(), value)); + mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); + return mom; + } - return 'RGB(' + parseInt(R*255) + ',' + parseInt(G*255) + ',' + parseInt(B*255) + ')'; - }; + function rawGetter(mom, unit) { + return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit](); + } + function rawSetter(mom, unit, value) { + if (unit === 'Month') { + return rawMonthSetter(mom, value); + } else { + return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); + } + } - /** - * Draw all datapoints as a grid - * This function can be used when the style is 'grid' - */ - Graph3d.prototype._redrawDataGrid = function() { - var canvas = this.frame.canvas, - ctx = canvas.getContext('2d'), - point, right, top, cross, - i, - topSideVisible, fillStyle, strokeStyle, lineWidth, - h, s, v, zAvg; + function makeAccessor(unit, keepTime) { + return function (value) { + if (value != null) { + rawSetter(this, unit, value); + moment.updateOffset(this, keepTime); + return this; + } else { + return rawGetter(this, unit); + } + }; + } + 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)); - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + // 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; - // 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); + // add aliased format methods + moment.fn.toJSON = moment.fn.toISOString; - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; + /************************************ + Duration Prototype + ************************************/ - // 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); + function daysToYears (days) { + // 400 years have 146097 days (taking into account leap year rules) + return days * 400 / 146097; + } - if (this.style === Graph3d.STYLE.SURFACE) { - for (i = 0; i < this.dataPoints.length; i++) { - point = this.dataPoints[i]; - right = this.dataPoints[i].pointRight; - top = this.dataPoints[i].pointTop; - cross = this.dataPoints[i].pointCross; + function yearsToDays (years) { + // years * 365 + absRound(years / 4) - + // absRound(years / 100) + absRound(years / 400); + return years * 146097 / 400; + } - if (point !== undefined && right !== undefined && top !== undefined && cross !== undefined) { + extend(moment.duration.fn = Duration.prototype, { - 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) + _bubble : function () { + var milliseconds = this._milliseconds, + days = this._days, + months = this._months, + data = this._data, + seconds, minutes, hours, years = 0; - topSideVisible = (crossproduct.z > 0); - } - else { - topSideVisible = true; - } + // The following code bubbles up values, see the tests for + // examples of what that means. + data.milliseconds = milliseconds % 1000; - 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 + seconds = absRound(milliseconds / 1000); + data.seconds = seconds % 60; - 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; + minutes = absRound(seconds / 60); + data.minutes = minutes % 60; - 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; + hours = absRound(minutes / 60); + data.hours = hours % 24; - if (point !== undefined) { - if (this.showPerspective) { - lineWidth = 2 / -point.trans.z; - } - else { - lineWidth = 2 * -(this.eye.z / this.camera.getArmLength()); - } - } + days += absRound(hours / 24); - 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; + // Accurately convert days to years, assume start from year 0. + years = absRound(daysToYears(days)); + days -= absRound(yearsToDays(years)); - 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(); - } + // 30 days to a month + // TODO (iskren): Use anchor date (like 1st Jan) to compute this. + months += absRound(days / 30); + days %= 30; - 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; + // 12 months -> 1 year + years += absRound(months / 12); + months %= 12; - 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(); - } - } - } - }; + 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); - /** - * Draw all datapoints as dots. - * This function can be used when the style is 'dot' or 'dot-line' - */ - Graph3d.prototype._redrawDataDot = function() { - var canvas = this.frame.canvas; - var ctx = canvas.getContext('2d'); - var i; + 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.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + return this; + }, - // calculate the translations of all points - for (i = 0; i < this.dataPoints.length; i++) { - var trans = this._convertPointToTranslation(this.dataPoints[i].point); - var screen = this._convertTranslationToScreen(trans); - this.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; + weeks : function () { + return absRound(this.days() / 7); + }, - // 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; - } + valueOf : function () { + return this._milliseconds + + this._days * 864e5 + + (this._months % 12) * 2592e6 + + toInt(this._months / 12) * 31536e6; + }, - // order the translated points by depth - var sortDepth = function (a, b) { - return b.dist - a.dist; - }; - this.dataPoints.sort(sortDepth); + humanize : function (withSuffix) { + var output = relativeTime(this, !withSuffix, this.localeData()); - // 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 (withSuffix) { + output = this.localeData().pastFuture(+this, output); + } - 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(); - } + return this.localeData().postformat(output); + }, - // 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; - } + add : function (input, val) { + // supports only 2.0-style add(1, 's') or add(moment) + var dur = moment.duration(input, val); - var radius; - if (this.showPerspective) { - radius = size / -point.trans.z; - } - else { - radius = size * -(this.eye.z / this.camera.getArmLength()); - } - if (radius < 0) { - radius = 0; - } + this._milliseconds += dur._milliseconds; + this._days += dur._days; + this._months += dur._months; - 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); - } + this._bubble(); - // 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(); - } - }; + return this; + }, - /** - * 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; + subtract : function (input, val) { + var dur = moment.duration(input, val); - if (this.dataPoints === undefined || this.dataPoints.length <= 0) - return; // TODO: throw exception? + this._milliseconds -= dur._milliseconds; + this._days -= dur._days; + this._months -= dur._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; + this._bubble(); - // 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; - } + return this; + }, - // order the translated points by depth - var sortDepth = function (a, b) { - return b.dist - a.dist; - }; - this.dataPoints.sort(sortDepth); + get : function (units) { + units = normalizeUnits(units); + return this[units.toLowerCase() + 's'](); + }, - // 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]; + as : function (units) { + var days, months; + units = normalizeUnits(units); - // 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); - } + 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 + 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); + } + } + }, - // 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); - } + lang : moment.fn.lang, + locale : moment.fn.locale, - // 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)} - ]; + toIsoString : deprecate( + 'toIsoString() is deprecated. Please use toISOString() instead ' + + '(notice the capitals)', + function () { + return this.toISOString(); + } + ), - // 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); - }); + 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); - // 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; + if (!this.asSeconds()) { + // this is the same as C#'s (Noda) and python (isodate)... + // but not other JS (goog.date) + return 'P0D'; + } - // calculate the distance of each of the surface centers to the camera - for (j = 0; j < surfaces.length; j++) { - surface = surfaces[j]; - var transCenter = this._convertPointToTranslation(surface.center); - surface.dist = this.showPerspective ? transCenter.length() : -transCenter.z; - // TODO: this dept calculation doesn't work 100% of the cases due to perspective, - // but the current solution is fast/simple and works in 99.9% of all cases - // the issue is visible in example 14, with graph.setCameraPosition({horizontal: 2.97, vertical: 0.5, distance: 0.9}) - } + return (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' : ''); + }, - // order the surfaces by their (translated) depth - surfaces.sort(function (a, b) { - var diff = b.dist - a.dist; - if (diff) return diff; + localeData : function () { + return this._locale; + } + }); - // if equal depth, sort the top surface last - if (a.corners === top) return 1; - if (b.corners === top) return -1; + moment.duration.fn.toString = moment.duration.fn.toISOString; - // both are equal - return 0; - }); + function makeDurationGetter(name) { + moment.duration.fn[name] = function () { + return this._data[name]; + }; + } - // 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(); + for (i in unitMillisecondFactors) { + if (hasOwnProp(unitMillisecondFactors, i)) { + makeDurationGetter(i.toLowerCase()); + } } - } - }; + 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'); + }; - /** - * Draw a line through all datapoints. - * This function can be used when the style is 'line' - */ - Graph3d.prototype._redrawDataLine = function() { - var canvas = this.frame.canvas, - ctx = canvas.getContext('2d'), - point, i; + /************************************ + Default Locale + ************************************/ - 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); + // Set default locale, other locale will inherit from English. + moment.locale('en', { + 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.dataPoints[i].trans = trans; - this.dataPoints[i].screen = screen; - } + /* EMBED_LOCALES */ - // start the line - if (this.dataPoints.length > 0) { - point = this.dataPoints[0]; + /************************************ + Exposing Moment + ************************************/ - ctx.lineWidth = 1; // TODO: make customizable - ctx.strokeStyle = 'blue'; // TODO: make customizable - ctx.beginPath(); - ctx.moveTo(point.screen.x, point.screen.y); - } + 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; + } + } - // 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); - } + // 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; + } - // finish the line - if (this.dataPoints.length > 0) { - ctx.stroke(); - } - }; + 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))) - /** - * Start a moving operation inside the provided parent element - * @param {Event} event The event that occurred (required for - * retrieving the mouse position) - */ - Graph3d.prototype._onMouseDown = function(event) { - event = event || window.event; +/***/ }, +/* 4 */ +/***/ function(module, exports, __webpack_require__) { - // check if mouse is still down (may be up when focus is lost for example - // in an iframe) - if (this.leftButtonDown) { - this._onMouseUp(event); - } + function webpackContext(req) { + throw new Error("Cannot find module '" + req + "'."); + } + webpackContext.keys = function() { return []; }; + webpackContext.resolve = webpackContext; + module.exports = webpackContext; + webpackContext.id = 4; - // 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); +/***/ }, +/* 5 */ +/***/ function(module, exports, __webpack_require__) { - this.startStart = new Date(this.start); - this.startEnd = new Date(this.end); - this.startArmRotation = this.camera.getArmRotation(); + module.exports = function(module) { + if(!module.webpackPolyfill) { + module.deprecate = function() {}; + module.paths = []; + // module.parent = undefined by default + module.children = []; + module.webpackPolyfill = 1; + } + return module; + } - 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); - }; +/***/ }, +/* 6 */ +/***/ function(module, exports, __webpack_require__) { + // DOM utility methods /** - * Perform moving operating. - * This function activated from within the funcion Graph.mouseDown(). - * @param {Event} event Well, eehh, the event + * this prepares the JSON container for allocating SVG elements + * @param JSONcontainer + * @private */ - 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; - - var snapAngle = 4; // degrees - var snapValue = Math.sin(snapAngle / 360 * 2 * Math.PI); - - // snap horizontally to nice angles at 0pi, 0.5pi, 1pi, 1.5pi, etc... - // the -0.001 is to take care that the vertical axis is always drawn at the left front corner - if (Math.abs(Math.sin(horizontalNew)) < snapValue) { - horizontalNew = Math.round((horizontalNew / Math.PI)) * Math.PI - 0.001; - } - if (Math.abs(Math.cos(horizontalNew)) < snapValue) { - horizontalNew = (Math.round((horizontalNew/ Math.PI - 0.5)) + 0.5) * Math.PI - 0.001; - } - - // 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; + 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.camera.setArmRotation(horizontalNew, verticalNew); - this.redraw(); - - // fire a cameraPositionChange event - var parameters = this.getCameraPosition(); - this.emit('cameraPositionChange', parameters); - - util.preventDefault(event); }; - /** - * Stop moving operating. - * This function activated from within the funcion Graph.mouseDown(). - * @param {event} event The event + * 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 */ - 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); + 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 = []; + } + } + } }; /** - * 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 + * 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 */ - Graph3d.prototype._onTooltip = function (event) { - var delay = 300; // ms - var mouseX = getMouseX(event) - util.getAbsoluteLeft(this.frame); - var mouseY = getMouseY(event) - util.getAbsoluteTop(this.frame); - - if (!this.showTooltip) { - return; + 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); + } } - - if (this.tooltipTimeout) { - clearTimeout(this.tooltipTimeout); + 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; + }; - // (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); + /** + * 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 { - this._hideTooltip(); + DOMContainer.appendChild(element); } } } 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); + // 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; }; - /** - * 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 + * 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 {*} */ - Graph3d.prototype._onTouchMove = function(event) { - this._onMouseMove(event); + 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); + point.setAttributeNS(null, "class", group.className + " point"); + } + 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); + point.setAttributeNS(null, "class", group.className + " point"); + } + return point; }; /** - * Event handler for touchend event on mobile devices + * draw a bar SVG element centered on the X coordinate + * + * @param x + * @param y + * @param className */ - Graph3d.prototype._onTouchEnd = function(event) { - this.touchDown = false; - - util.removeEventListener(document, 'touchmove', this.ontouchmove); - util.removeEventListener(document, 'touchend', this.ontouchend); - - this._onMouseUp(event); + exports.drawBar = function (x, y, width, height, className, JSONcontainer, svgContainer) { + if (height != 0) { + if (height < 0) { + height *= -1; + y -= height; + } + var rect = exports.getSVGElement('rect',JSONcontainer, svgContainer); + rect.setAttributeNS(null, "x", x - 0.5 * width); + rect.setAttributeNS(null, "y", y); + rect.setAttributeNS(null, "width", width); + rect.setAttributeNS(null, "height", height); + rect.setAttributeNS(null, "class", className); + } }; +/***/ }, +/* 7 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Queue = __webpack_require__(8); /** - * 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 + * + * 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 ? 1 : x < 0 ? -1 : 0; + DataSet.prototype.on = function(event, callback) { + var subscribers = this._subscribers[event]; + if (!subscribers) { + subscribers = []; + this._subscribers[event] = subscribers; } - 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)); + subscribers.push({ + callback: callback + }); + }; - // 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); + // TODO: make this function deprecated (replaced with `on` since version 0.5) + DataSet.prototype.subscribe = DataSet.prototype.on; + + /** + * Unsubscribe from an event, remove an event listener + * @param {String} event + * @param {function} callback + */ + DataSet.prototype.off = function(event, callback) { + var subscribers = this._subscribers[event]; + if (subscribers) { + this._subscribers[event] = subscribers.filter(function (listener) { + return (listener.callback != callback); + }); + } }; + // TODO: make this function deprecated (replaced with `on` since version 0.5) + DataSet.prototype.unsubscribe = DataSet.prototype.off; + /** - * 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 + * Trigger an event + * @param {String} event + * @param {Object | null} params + * @param {String} [senderId] Optional id of the sender. * @private */ - Graph3d.prototype._dataPointFromXY = function (x, y) { - var i, - distMax = 100, // px - dataPoint = null, - closestDataPoint = null, - closestDist = null, - center = new Point2d(x, y); + DataSet.prototype._trigger = function (event, params, senderId) { + if (event == '*') { + throw new Error('Cannot trigger event *'); + } - 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 subscribers = []; + if (event in this._subscribers) { + subscribers = subscribers.concat(this._subscribers[event]); + } + if ('*' in this._subscribers) { + subscribers = subscribers.concat(this._subscribers['*']); + } + + for (var i = 0; i < subscribers.length; i++) { + var subscriber = subscribers[i]; + if (subscriber.callback) { + subscriber.callback(event, params, senderId || null); } } - 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; - } + /** + * 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; + + 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); } + + 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'); + } + if (addedIds.length) { + this._trigger('add', {items: addedIds}, senderId); + } - return closestDataPoint; + return addedIds; }; /** - * Display a tooltip for given data point - * @param {Object} dataPoint - * @private + * 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 */ - Graph3d.prototype._showTooltip = function (dataPoint) { - var content, line, dot; + DataSet.prototype.update = function (data, senderId) { + var addedIds = []; + var updatedIds = []; + var updatedData = []; + var me = this; + var fieldId = me._fieldId; - 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 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); + } + }; - line = document.createElement('div'); - line.style.position = 'absolute'; - line.style.height = '40px'; - line.style.width = '0'; - line.style.borderLeft = '1px solid #4d4d4d'; + 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); + } - 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'; + addOrUpdate(item); + } + } + else if (data instanceof Object) { + // Single item + addOrUpdate(data); + } + else { + throw new Error('Unknown dataType'); + } - this.tooltip = { - dataPoint: null, - dom: { - content: content, - line: line, - dot: dot - } - }; + if (addedIds.length) { + this._trigger('add', {items: addedIds}, senderId); + } + if (updatedIds.length) { + this._trigger('update', {items: updatedIds, data: updatedData}, senderId); + } + + return addedIds.concat(updatedIds); + }; + + /** + * Get a data item or multiple items. + * + * Usage: + * + * get() + * get(options: Object) + * get(options: Object, data: Array | DataTable) + * + * get(id: Number | String) + * get(id: Number | String, options: Object) + * get(id: Number | String, options: Object, data: Array | DataTable) + * + * get(ids: Number[] | String[]) + * get(ids: Number[] | String[], options: Object) + * get(ids: Number[] | String[], options: Object, data: Array | DataTable) + * + * Where: + * + * {Number | String} id The id of an item + * {Number[] | String{}} ids An array with ids of items + * {Object} options An Object with options. Available options: + * {String} [returnType] Type of data to be + * returned. Can be 'DataTable' or 'Array' (default) + * {Object.} [type] + * {String[]} [fields] field names to be returned + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * {Array | DataTable} [data] If provided, items will be appended to this + * array or table. Required in case of Google + * DataTable. + * + * @throws Error + */ + DataSet.prototype.get = function (args) { + var me = this; + + // parse the arguments + var id, ids, options, data; + var firstType = util.getType(arguments[0]); + if (firstType == 'String' || firstType == 'Number') { + // get(id [, options] [, data]) + id = arguments[0]; + options = arguments[1]; + data = arguments[2]; + } + else if (firstType == 'Array') { + // get(ids [, options] [, data]) + ids = arguments[0]; + options = arguments[1]; + data = arguments[2]; } else { - content = this.tooltip.dom.content; - line = this.tooltip.dom.line; - dot = this.tooltip.dom.dot; + // get([, options] [, data]) + options = arguments[0]; + data = arguments[1]; } - this._hideTooltip(); + // determine the return type + var returnType; + if (options && options.returnType) { + var allowedValues = ["DataTable", "Array", "Object"]; + returnType = allowedValues.indexOf(options.returnType) == -1 ? "Array" : options.returnType; - this.tooltip.dataPoint = dataPoint; - if (typeof this.showTooltip === 'function') { - content.innerHTML = this.showTooltip(dataPoint.point); + 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 { - content.innerHTML = '' + - '' + - '' + - '' + - '
x:' + dataPoint.point.x + '
y:' + dataPoint.point.y + '
z:' + dataPoint.point.z + '
'; + returnType = 'Array'; } - content.style.left = '0'; - content.style.top = '0'; - this.frame.appendChild(content); - this.frame.appendChild(line); - this.frame.appendChild(dot); + // build options + var type = options && options.type || this._options.type; + var filter = options && options.filter; + var items = [], item, itemId, i, len; - // calculate sizes - var contentWidth = content.offsetWidth; - var contentHeight = content.offsetHeight; - var lineHeight = line.offsetHeight; - var dotWidth = dot.offsetWidth; - var dotHeight = dot.offsetHeight; + // 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); + } + } + } + } - var left = dataPoint.screen.x - contentWidth / 2; - left = Math.min(Math.max(left, 10), this.frame.clientWidth - 10 - contentWidth); + // order the results + if (options && options.order && id == undefined) { + this._sort(items, options.order); + } - 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'; + // filter fields of the items + if (options && options.fields) { + var fields = options.fields; + if (id != undefined) { + item = this._filterFields(item, fields); + } + else { + for (i = 0, len = items.length; i < len; i++) { + items[i] = this._filterFields(items[i], fields); + } + } + } + + // return the results + if (returnType == 'DataTable') { + var columns = this._getColumnNames(data); + if (id != undefined) { + // append a single item to the data table + me._appendRow(data, columns, item); + } + else { + // copy the items to the provided data table + for (i = 0; i < items.length; i++) { + me._appendRow(data, columns, items[i]); + } + } + return data; + } + else if (returnType == "Object") { + var result = {}; + for (i = 0; i < items.length; i++) { + result[items[i].id] = items[i]; + } + return result; + } + else { + // return an array + if (id != undefined) { + // a single item + return item; + } + else { + // multiple items + if (data) { + // copy the items to the provided array + for (i = 0, len = items.length; i < len; i++) { + data.push(items[i]); + } + return data; + } + else { + // just return our array + return items; + } + } + } }; /** - * Hide the tooltip when displayed - * @private + * 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 */ - Graph3d.prototype._hideTooltip = function () { - if (this.tooltip) { - this.tooltip.dataPoint = null; + 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 = []; - 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 (filter) { + // get filtered items + if (order) { + // create ordered list + items = []; + for (id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, type); + if (filter(item)) { + items.push(item); + } + } + } + + this._sort(items, order); + + for (i = 0, len = items.length; i < len; i++) { + ids[i] = items[i][this._fieldId]; + } + } + else { + // create unordered list + for (id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, type); + if (filter(item)) { + ids.push(item[this._fieldId]); + } } } } } - }; + else { + // get all items + if (order) { + // create an ordered list + items = []; + for (id in data) { + if (data.hasOwnProperty(id)) { + items.push(data[id]); + } + } - /**--------------------------------------------------------------------------**/ + this._sort(items, order); + for (i = 0, len = items.length; i < len; i++) { + ids[i] = items[i][this._fieldId]; + } + } + else { + // create unordered list + for (id in data) { + if (data.hasOwnProperty(id)) { + item = data[id]; + ids.push(item[this._fieldId]); + } + } + } + } - /** - * Get the horizontal mouse position from a mouse event - * @param {Event} event - * @return {Number} mouse x - */ - getMouseX = function(event) { - if ('clientX' in event) return event.clientX; - return event.targetTouches[0] && event.targetTouches[0].clientX || 0; + return ids; }; /** - * Get the vertical mouse position from a mouse event - * @param {Event} event - * @return {Number} mouse y + * Returns the DataSet itself. Is overwritten for example by the DataView, + * which returns the DataSet it is connected to instead. */ - getMouseY = function(event) { - if ('clientY' in event) return event.clientY; - return event.targetTouches[0] && event.targetTouches[0].clientY || 0; + DataSet.prototype.getDataSet = function () { + return this; }; - module.exports = Graph3d; - - -/***/ }, -/* 7 */ -/***/ function(module, exports, __webpack_require__) { - - var Point3d = __webpack_require__(10); - /** - * @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 + * 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. */ - Camera = function () { - this.armLocation = new Point3d(); - this.armRotation = {}; - this.armRotation.horizontal = 0; - this.armRotation.vertical = 0; - this.armLength = 1.7; + DataSet.prototype.forEach = function (callback, options) { + var filter = options && options.filter, + type = options && options.type || this._options.type, + data = this._data, + item, + id; - this.cameraLocation = new Point3d(); - this.cameraRotation = new Point3d(0.5*Math.PI, 0, 0); + if (options && options.order) { + // execute forEach on ordered list + var items = this.get(options); - this.calculateCameraOrientation(); + for (var i = 0, len = items.length; i < len; i++) { + item = items[i]; + id = item[this._fieldId]; + callback(item, id); + } + } + else { + // unordered + for (id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, type); + if (!filter || filter(item)) { + callback(item, id); + } + } + } + } }; /** - * Set 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 + * 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 */ - Camera.prototype.setArmLocation = function(x, y, z) { - this.armLocation.x = x; - this.armLocation.y = y; - this.armLocation.z = z; - - this.calculateCameraOrientation(); - }; + DataSet.prototype.map = function (callback, options) { + var filter = options && options.filter, + type = options && options.type || this._options.type, + mappedItems = [], + data = this._data, + item; - /** - * Set the rotation of the camera arm - * @param {Number} horizontal The horizontal rotation, between 0 and 2*PI. - * Optional, can be left undefined. - * @param {Number} vertical The vertical rotation, between 0 and 0.5*PI - * if vertical=0.5*PI, the graph is shown from the - * top. Optional, can be left undefined. - */ - Camera.prototype.setArmRotation = function(horizontal, vertical) { - if (horizontal !== undefined) { - this.armRotation.horizontal = horizontal; + // convert and filter items + for (var id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, type); + if (!filter || filter(item)) { + mappedItems.push(callback(item, id)); + } + } } - if (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; + // order items + if (options && options.order) { + this._sort(mappedItems, options.order); } - if (horizontal !== undefined || vertical !== undefined) { - this.calculateCameraOrientation(); - } + return mappedItems; }; /** - * Retrieve the current arm rotation - * @return {object} An object with parameters horizontal and vertical + * Filter the fields of an item + * @param {Object} item + * @param {String[]} fields Field names + * @return {Object} filteredItem + * @private */ - Camera.prototype.getArmRotation = function() { - var rot = {}; - rot.horizontal = this.armRotation.horizontal; - rot.vertical = this.armRotation.vertical; + DataSet.prototype._filterFields = function (item, fields) { + var filteredItem = {}; - return rot; + for (var field in item) { + if (item.hasOwnProperty(field) && (fields.indexOf(field) != -1)) { + filteredItem[field] = item[field]; + } + } + + return filteredItem; }; /** - * Set the (normalized) length of the camera arm. - * @param {Number} length A length between 0.71 and 5.0 + * Sort the provided array with items + * @param {Object[]} items + * @param {String | function} order A field name or custom sort function. + * @private */ - Camera.prototype.setArmLength = function(length) { - if (length === undefined) - return; - - this.armLength = length; - - // 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(); + 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'); + } }; /** - * Retrieve the arm length - * @return {Number} length + * 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 */ - Camera.prototype.getArmLength = function() { - return this.armLength; + DataSet.prototype.remove = function (id, senderId) { + var removedIds = [], + i, len, removedId; + + if (Array.isArray(id)) { + for (i = 0, len = id.length; i < len; i++) { + removedId = this._remove(id[i]); + if (removedId != null) { + removedIds.push(removedId); + } + } + } + else { + removedId = this._remove(id); + if (removedId != null) { + removedIds.push(removedId); + } + } + + if (removedIds.length) { + this._trigger('remove', {items: removedIds}, senderId); + } + + return removedIds; }; /** - * Retrieve the camera location - * @return {Point3d} cameraLocation + * Remove an item by its id + * @param {Number | String | Object} id id or item + * @returns {Number | String | null} id + * @private */ - Camera.prototype.getCameraLocation = function() { - return this.cameraLocation; + 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; }; /** - * Retrieve the camera rotation - * @return {Point3d} cameraRotation + * Clear the data + * @param {String} [senderId] Optional sender id + * @return {Array} removedIds The ids of all removed items */ - Camera.prototype.getCameraRotation = function() { - return this.cameraRotation; + DataSet.prototype.clear = function (senderId) { + var ids = Object.keys(this._data); + + this._data = {}; + + this._trigger('remove', {items: ids}, senderId); + + return ids; }; /** - * Calculate the location and rotation of the camera based on the - * position and orientation of the camera arm + * 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 */ - 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); + DataSet.prototype.max = function (field) { + var data = this._data, + max = null, + maxField = null; - // calculate rotation of the camera - this.cameraRotation.x = Math.PI/2 - this.armRotation.vertical; - this.cameraRotation.y = 0; - this.cameraRotation.z = -this.armRotation.horizontal; + 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; }; - module.exports = Camera; + /** + * 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; -/***/ }, -/* 8 */ -/***/ function(module, exports, __webpack_require__) { + 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; + } + } + } - var DataView = __webpack_require__(4); + return min; + }; /** - * @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 + * 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. */ - function Filter (data, column, graph) { - this.data = data; - this.column = column; - this.graph = graph; // the parent graph - - this.index = undefined; - this.value = undefined; - - // read all distinct values and select the first one - this.values = graph.getDistinctValues(data.get(), this.column); + 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; - // sort both numeric and string values correctly - this.values.sort(function (a, b) { - return a > b ? 1 : a < b ? -1 : 0; - }); + for (var prop in data) { + if (data.hasOwnProperty(prop)) { + var item = data[prop]; + var value = item[field]; + var exists = false; + for (i = 0; i < count; i++) { + if (values[i] == value) { + exists = true; + break; + } + } + if (!exists && (value !== undefined)) { + values[count] = value; + count++; + } + } + } - if (this.values.length > 0) { - this.selectValue(0); + if (fieldType) { + for (i = 0; i < values.length; i++) { + values[i] = util.convert(values[i], fieldType); + } } - // create an array with the filtered datapoints. this will be loaded afterwards - this.dataPoints = []; + return values; + }; - this.loaded = false; - this.onLoadCallback = undefined; + /** + * Add a single item. Will fail when an item with the same id already exists. + * @param {Object} item + * @return {String} id + * @private + */ + DataSet.prototype._addItem = function (item) { + var id = item[this._fieldId]; - if (graph.animationPreload) { - this.loaded = false; - this.loadInBackground(); + 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 { - this.loaded = true; + // generate an id + id = util.randomUUID(); + item[this._fieldId] = id; } - }; + var d = {}; + for (var field in item) { + if (item.hasOwnProperty(field)) { + var fieldType = this._type[field]; // type may be undefined + d[field] = util.convert(item[field], fieldType); + } + } + this._data[id] = d; - /** - * Return the label - * @return {string} label - */ - Filter.prototype.isLoaded = function() { - return this.loaded; + return id; }; - /** - * Return the loaded progress - * @return {Number} percentage between 0 and 100 + * 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 */ - Filter.prototype.getLoadedProgress = function() { - var len = this.values.length; + DataSet.prototype._getItem = function (id, types) { + var field, value; - var i = 0; - while (this.dataPoints[i]) { - i++; + // get the item from the dataset + var raw = this._data[id]; + if (!raw) { + return null; } - return Math.round(i / len * 100); + // convert the items field types + var converted = {}; + if (types) { + for (field in raw) { + if (raw.hasOwnProperty(field)) { + value = raw[field]; + converted[field] = util.convert(value, types[field]); + } + } + } + else { + // no field types specified, no converting needed + for (field in raw) { + if (raw.hasOwnProperty(field)) { + value = raw[field]; + converted[field] = value; + } + } + } + return converted; }; - /** - * Return the label - * @return {string} label + * 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 */ - Filter.prototype.getLabel = function() { - return this.graph.filterLabel; - }; + 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; + }; /** - * Return the columnIndex of the filter - * @return {Number} columnIndex + * Get an array with the column names of a Google DataTable + * @param {DataTable} dataTable + * @return {String[]} columnNames + * @private */ - Filter.prototype.getColumn = function() { - return this.column; + 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; }; /** - * Return the currently selected value. Returns undefined if there is no selection - * @return {*} value + * Append an item as a row to the dataTable + * @param dataTable + * @param columns + * @param item + * @private */ - Filter.prototype.getSelectedValue = function() { - if (this.index === undefined) - return undefined; + DataSet.prototype._appendRow = function (dataTable, columns, item) { + var row = dataTable.addRow(); - return this.values[this.index]; + for (var col = 0, cols = columns.length; col < cols; col++) { + var field = columns[col]; + dataTable.setValue(row, col, item[field]); + } }; + module.exports = DataSet; + + +/***/ }, +/* 8 */ +/***/ function(module, exports, __webpack_require__) { + /** - * Retrieve all values of the filter - * @return {Array} values + * 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 */ - Filter.prototype.getValues = function() { - return this.values; - }; + function Queue(options) { + // options + this.delay = null; + this.max = Infinity; + + // properties + this._queue = []; + this._timeout = null; + this._extended = null; + + this.setOptions(options); + } /** - * Retrieve one value of the filter - * @param {Number} index - * @return {*} value + * 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 */ - Filter.prototype.getValue = function(index) { - if (index >= this.values.length) - throw 'Error: index out of range'; + 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; + } - return this.values[index]; + this._flushIfNeeded(); }; - /** - * Retrieve the (filtered) dataPoints for the currently selected filter index - * @param {Number} [index] (optional) - * @return {Array} dataPoints + * 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 */ - Filter.prototype._getDataPoints = function(index) { - if (index === undefined) - index = this.index; - - if (index === undefined) - return []; + Queue.extend = function (object, options) { + var queue = new Queue(options); - var dataPoints; - if (this.dataPoints[index]) { - dataPoints = this.dataPoints[index]; + if (object.flush !== undefined) { + throw new Error('Target object already has a property flush'); } - else { - var f = {}; - f.column = this.column; - f.value = this.values[index]; + object.flush = function () { + queue.flush(); + }; - var dataView = new DataView(this.data,{filter: function (item) {return (item[f.column] == f.value);}}).get(); - dataPoints = this.graph._getDataPoints(dataView); + var methods = [{ + name: 'flush', + original: undefined + }]; - this.dataPoints[index] = dataPoints; + 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); + } } - return dataPoints; - }; - + queue._extended = { + object: object, + methods: methods + }; + return queue; + }; /** - * Set a callback function when the filter is fully loaded. + * Destroy the queue. The queue will first flush all queued actions, and in + * case it has extended an object, will restore the original object. */ - Filter.prototype.setOnLoadCallback = function(callback) { - this.onLoadCallback = callback; - }; + Queue.prototype.destroy = function () { + this.flush(); + if (this._extended) { + var object = this._extended.object; + var methods = this._extended.methods; + for (var i = 0; i < methods.length; i++) { + var method = methods[i]; + if (method.original) { + object[method.name] = method.original; + } + else { + delete object[method.name]; + } + } + this._extended = null; + } + }; /** - * Add a value to the list with available values for this filter - * No double entries will be created. - * @param {Number} index + * Replace a method on an object with a queued version + * @param {Object} object Object having the method + * @param {string} method The method name */ - Filter.prototype.selectValue = function(index) { - if (index >= this.values.length) - throw 'Error: index out of range'; - - this.index = index; - this.value = this.values[index]; - }; - - /** - * 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; - - var frame = this.graph.frame; - - if (index < this.values.length) { - var dataPointsTemp = this._getDataPoints(index); - //this.graph.redrawInfo(); // TODO: not neat - - // create a progress box - if (frame.progress === undefined) { - frame.progress = document.createElement('DIV'); - frame.progress.style.position = 'absolute'; - frame.progress.style.color = 'gray'; - frame.appendChild(frame.progress); - } - var progress = this.getLoadedProgress(); - frame.progress.innerHTML = 'Loading animation... ' + progress + '%'; - // TODO: this is no nice solution... - frame.progress.style.bottom = 60 + 'px'; // TODO: use height of slider - frame.progress.style.left = 10 + 'px'; - - var me = this; - setTimeout(function() {me.loadInBackground(index+1);}, 10); - this.loaded = false; + Queue.prototype.replace = function(object, method) { + var me = this; + var original = object[method]; + if (!original) { + throw new Error('Method ' + method + ' undefined'); } - else { - this.loaded = true; - // remove the progress box - if (frame.progress !== undefined) { - frame.removeChild(frame.progress); - frame.progress = undefined; + object[method] = function () { + // create an Array with the arguments + var args = []; + for (var i = 0; i < arguments.length; i++) { + args[i] = arguments[i]; } - if (this.onLoadCallback) - this.onLoadCallback(); - } - }; - - module.exports = Filter; - - -/***/ }, -/* 9 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * @prototype Point2d - * @param {Number} [x] - * @param {Number} [y] - */ - Point2d = function (x, y) { - this.x = x !== undefined ? x : 0; - this.y = y !== undefined ? y : 0; - }; - - module.exports = Point2d; - - -/***/ }, -/* 10 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * @prototype Point3d - * @param {Number} [x] - * @param {Number} [y] - * @param {Number} [z] - */ - function Point3d(x, y, z) { - this.x = x !== undefined ? x : 0; - this.y = y !== undefined ? y : 0; - this.z = z !== undefined ? z : 0; - }; - - /** - * Subtract the two provided points, returns a-b - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} a-b - */ - Point3d.subtract = function(a, b) { - var sub = new Point3d(); - sub.x = a.x - b.x; - sub.y = a.y - b.y; - sub.z = a.z - b.z; - return sub; + // add this call to the queue + me.queue({ + args: args, + fn: original, + context: this + }); + }; }; /** - * Add the two provided points, returns a+b - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} a+b + * Queue a call + * @param {function | {fn: function, args: Array} | {fn: function, args: Array, context: Object}} entry */ - 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; - }; + Queue.prototype.queue = function(entry) { + if (typeof entry === 'function') { + this._queue.push({fn: entry}); + } + else { + this._queue.push(entry); + } - /** - * Calculate the average of two 3d points - * @param {Point3d} a - * @param {Point3d} b - * @return {Point3d} The average, (a+b)/2 - */ - Point3d.avg = function(a, b) { - return new Point3d( - (a.x + b.x) / 2, - (a.y + b.y) / 2, - (a.z + b.z) / 2 - ); + this._flushIfNeeded(); }; /** - * 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 + * Check whether the queue needs to be flushed + * @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; + Queue.prototype._flushIfNeeded = function () { + // flush when the maximum is exceeded. + if (this._queue.length > this.max) { + this.flush(); + } - return crossproduct; + // 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); + } }; - /** - * Rtrieve the length of the vector (or the distance from this point to the origin - * @return {Number} length + * Flush all queued calls */ - Point3d.prototype.length = function() { - return Math.sqrt( - this.x * this.x + - this.y * this.y + - this.z * this.z - ); + Queue.prototype.flush = function () { + while (this._queue.length > 0) { + var entry = this._queue.shift(); + entry.fn.apply(entry.context || entry.fn, entry.args || []); + } }; - module.exports = Point3d; + module.exports = Queue; /***/ }, -/* 11 */ +/* 9 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(1); + var DataSet = __webpack_require__(7); /** - * @constructor Slider + * DataView * - * 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. + * 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 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); + function DataView (data, options) { + this._data = null; + this._ids = {}; // ids of the items currently in memory (just contains a boolean true) + this._options = options || {}; + this._fieldId = 'id'; // name of the field containing id + this._subscribers = {}; // event subscribers - this.frame.prev = document.createElement('INPUT'); - this.frame.prev.type = 'BUTTON'; - this.frame.prev.value = 'Prev'; - this.frame.appendChild(this.frame.prev); + var me = this; + this.listener = function () { + me._onEvent.apply(me, arguments); + }; - this.frame.play = document.createElement('INPUT'); - this.frame.play.type = 'BUTTON'; - this.frame.play.value = 'Play'; - this.frame.appendChild(this.frame.play); + this.setData(data); + } - this.frame.next = document.createElement('INPUT'); - this.frame.next.type = 'BUTTON'; - this.frame.next.value = 'Next'; - this.frame.appendChild(this.frame.next); + // TODO: implement a function .config() to dynamically update things like configured filter + // and trigger changes accordingly - 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); + /** + * Set a data source for the view + * @param {DataSet | DataView} data + */ + DataView.prototype.setData = function (data) { + var ids, i, len; - 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); + if (this._data) { + // unsubscribe from current dataset + if (this._data.unsubscribe) { + this._data.unsubscribe('*', this.listener); + } - // 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);}; + // trigger a remove of all items in memory + ids = []; + for (var id in this._ids) { + if (this._ids.hasOwnProperty(id)) { + ids.push(id); + } + } + this._ids = {}; + this._trigger('remove', {items: ids}); } - this.onChangeCallback = undefined; - - this.values = []; - this.index = undefined; + this._data = data; - this.playTimeout = undefined; - this.playInterval = 1000; // milliseconds - this.playLoop = true; - } + if (this._data) { + // update fieldId + this._fieldId = this._options.fieldId || + (this._data && this._data.options && this._data.options.fieldId) || + 'id'; - /** - * Select the previous index - */ - Slider.prototype.prev = function() { - var index = this.getIndex(); - if (index > 0) { - index--; - this.setIndex(index); - } - }; + // 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}); - /** - * Select the next index - */ - Slider.prototype.next = function() { - var index = this.getIndex(); - if (index < this.values.length - 1) { - index++; - this.setIndex(index); + // subscribe to new dataset + if (this._data.on) { + this._data.on('*', this.listener); + } } }; /** - * Select the next index + * 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 */ - Slider.prototype.playNext = function() { - var start = new Date(); + DataView.prototype.get = function (args) { + var me = this; - var index = this.getIndex(); - if (index < this.values.length - 1) { - index++; - this.setIndex(index); + // 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 if (this.playLoop) { - // jump to the start - index = 0; - this.setIndex(index); + else { + // get([, options] [, data]) + options = arguments[0]; + data = arguments[1]; } - 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 + // extend the options with the default options and provided options + var viewOptions = util.extend({}, this._options, options); - var me = this; - this.playTimeout = setTimeout(function() {me.playNext();}, interval); - }; + // 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); + } + } - /** - * Toggle start or stop playing - */ - Slider.prototype.togglePlay = function() { - if (this.playTimeout === undefined) { - this.play(); - } else { - this.stop(); + // build up the call to the linked data set + var getArguments = []; + if (ids != undefined) { + getArguments.push(ids); } + getArguments.push(viewOptions); + getArguments.push(data); + + return this._data && this._data.get.apply(this._data, getArguments); }; /** - * Start playing + * 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 */ - Slider.prototype.play = function() { - // Test whether already playing - if (this.playTimeout) return; - - this.playNext(); + DataView.prototype.getIds = function (options) { + var ids; - if (this.frame) { - this.frame.play.value = 'Stop'; - } - }; + if (this._data) { + var defaultFilter = this._options.filter; + var filter; - /** - * Stop playing - */ - Slider.prototype.stop = function() { - clearInterval(this.playTimeout); - this.playTimeout = undefined; + if (options && options.filter) { + if (defaultFilter) { + filter = function (item) { + return defaultFilter(item) && options.filter(item); + } + } + else { + filter = options.filter; + } + } + else { + filter = defaultFilter; + } - if (this.frame) { - this.frame.play.value = 'Play'; + ids = this._data.getIds({ + filter: filter, + order: options && options.order + }); + } + else { + ids = []; } - }; - /** - * 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; + return ids; }; /** - * Set the interval for playing the list - * @param {Number} interval The interval in milliseconds + * 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 */ - Slider.prototype.setPlayInterval = function(interval) { - this.playInterval = interval; + DataView.prototype.getDataSet = function () { + var dataSet = this; + while (dataSet instanceof DataView) { + dataSet = dataSet._data; + } + return dataSet || null; }; /** - * Retrieve the current play interval - * @return {Number} interval The interval in milliseconds + * 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 */ - Slider.prototype.getPlayInterval = function(interval) { - return this.playInterval; - }; + DataView.prototype._onEvent = function (event, params, senderId) { + var i, len, id, item, + ids = params && params.items, + data = this._data, + added = [], + updated = [], + removed = []; - /** - * 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; - }; - - - /** - * Execute the onchange callback function - */ - Slider.prototype.onChange = function() { - if (this.onChangeCallback !== undefined) { - this.onChangeCallback(); - } - }; + 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); + } + } - /** - * 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'; + break; - // position the slider button - var left = this.indexToLeft(this.index); - this.frame.slide.style.left = (left) + 'px'; - } - }; + 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 :-( + } + } + } - /** - * 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; + break; - if (this.values.length > 0) - this.setIndex(0); - else - this.index = undefined; - }; + 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); + } + } - /** - * Select a value by its index - * @param {Number} index - */ - Slider.prototype.setIndex = function(index) { - if (index < this.values.length) { - this.index = index; + break; + } - this.redraw(); - this.onChange(); - } - else { - throw 'Error: index out of range'; + 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); + } } }; - /** - * retrieve the index of the currently selected vaue - * @return {Number} index - */ - Slider.prototype.getIndex = function() { - return this.index; - }; + // copy subscription functionality from DataSet + DataView.prototype.on = DataSet.prototype.on; + DataView.prototype.off = DataSet.prototype.off; + DataView.prototype._trigger = DataSet.prototype._trigger; + // TODO: make these functions deprecated (replaced with `on` and `off` since version 0.5) + DataView.prototype.subscribe = DataView.prototype.on; + DataView.prototype.unsubscribe = DataView.prototype.off; - /** - * retrieve the currently selected value - * @return {*} value - */ - Slider.prototype.get = function() { - return this.values[this.index]; - }; + module.exports = DataView; +/***/ }, +/* 10 */ +/***/ function(module, exports, __webpack_require__) { - 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 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); - this.startClientX = event.clientX; - this.startSlideX = parseFloat(this.frame.slide.style.left); + /** + * @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'); + } - this.frame.style.cursor = 'move'; + // 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%'; - // 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); - }; + this.xLabel = 'x'; + this.yLabel = 'y'; + this.zLabel = 'z'; + var passValueFn = function(v) { return v; }; + this.xValueLabel = passValueFn; + this.yValueLabel = passValueFn; + this.zValueLabel = passValueFn; + + this.filterLabel = 'time'; + this.legendLabel = 'value'; - Slider.prototype.leftToIndex = function (left) { - var width = parseFloat(this.frame.bar.style.width) - - this.frame.slide.clientWidth - 10; - var x = left - 3; + 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 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; + this.animationInterval = 1000; // milliseconds + this.animationPreload = false; - return index; - }; + this.camera = new Camera(); + this.eye = new Point3d(0, 0, -1); // TODO: set eye.z about 3/4 of the width of the window? - Slider.prototype.indexToLeft = function (index) { - var width = parseFloat(this.frame.bar.style.width) - - this.frame.slide.clientWidth - 10; + this.dataTable = null; // The original data table + this.dataPoints = null; // The table with point objects - var x = index / (this.values.length-1) * width; - var left = x + 3; + // the column indexes + this.colX = undefined; + this.colY = undefined; + this.colZ = undefined; + this.colValue = undefined; + this.colFilter = undefined; - return left; - }; + this.xMin = 0; + this.xStep = undefined; // auto by default + this.xMax = 1; + this.yMin = 0; + this.yStep = undefined; // auto by default + this.yMax = 1; + this.zMin = 0; + this.zStep = undefined; // auto by default + this.zMax = 1; + this.valueMin = 0; + this.valueMax = 1; + this.xBarWidth = 1; + this.yBarWidth = 1; + // TODO: customize axis range + // constants + this.colorAxis = '#4D4D4D'; + this.colorGrid = '#D3D3D3'; + this.colorDot = '#7DC1FF'; + this.colorDotBorder = '#3267D2'; + // create a frame and canvas + this.create(); - Slider.prototype._onMouseMove = function (event) { - var diff = event.clientX - this.startClientX; - var x = this.startSlideX + diff; + // apply options (also when undefined) + this.setOptions(options); - var index = this.leftToIndex(x); + // apply data + if (data) { + this.setData(data); + } + } - this.setIndex(index); + // Extend Graph3d with an Emitter mixin + Emitter(Graph3d.prototype); - util.preventDefault(); - }; + /** + * Calculate the scaling values, dependent on the range in x, y, and z direction + */ + Graph3d.prototype._setScale = function() { + this.scale = new Point3d(1 / (this.xMax - this.xMin), + 1 / (this.yMax - this.yMin), + 1 / (this.zMax - this.zMin)); + // keep aspect ration between x and y scale if desired + if (this.keepAspectRatio) { + if (this.scale.x < this.scale.y) { + //noinspection JSSuspiciousNameCombination + this.scale.y = this.scale.x; + } + else { + //noinspection JSSuspiciousNameCombination + this.scale.x = this.scale.y; + } + } - Slider.prototype._onMouseUp = function (event) { - this.frame.style.cursor = 'auto'; + // scale the vertical axis + this.scale.z *= this.verticalRatio; + // TODO: can this be automated? verticalRatio? - // remove event listeners - util.removeEventListener(document, 'mousemove', this.onmousemove); - util.removeEventListener(document, 'mouseup', this.onmouseup); + // determine scale for (optional) value + this.scale.value = 1 / (this.valueMax - this.valueMin); - util.preventDefault(); + // position the camera arm + var xCenter = (this.xMax + this.xMin) / 2 * this.scale.x; + var yCenter = (this.yMax + this.yMin) / 2 * this.scale.y; + var zCenter = (this.zMax + this.zMin) / 2 * this.scale.z; + this.camera.setArmLocation(xCenter, yCenter, zCenter); }; - module.exports = Slider; - - -/***/ }, -/* 12 */ -/***/ function(module, exports, __webpack_require__) { /** - * @prototype StepNumber - * The class StepNumber is an iterator for Numbers. You provide a start and end - * value, and a best step size. StepNumber itself rounds to fixed values and - * a finds the step that best fits the provided step. - * - * If prettyStep is true, the step size is chosen as close as possible to the - * provided step, but being a round value like 1, 2, 5, 10, 20, 50, .... - * - * Example usage: - * var step = new StepNumber(0, 10, 2.5, true); - * step.start(); - * while (!step.end()) { - * alert(step.getCurrent()); - * step.next(); - * } - * - * Version: 1.0 - * - * @param {Number} start The start value - * @param {Number} end The end value - * @param {Number} step Optional. Step size. Must be a positive value. - * @param {boolean} prettyStep Optional. If true, the step size is rounded - * To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) + * 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 */ - function StepNumber(start, end, step, prettyStep) { - // set default values - this._start = 0; - this._end = 0; - this._step = 1; - this.prettyStep = true; - this.precision = 5; - - this._current = 0; - this.setRange(start, end, step, prettyStep); + Graph3d.prototype._convert3Dto2D = function(point3d) { + var translation = this._convertPointToTranslation(point3d); + return this._convertTranslationToScreen(translation); }; /** - * 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, ...) + * 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 */ - StepNumber.prototype.setRange = function(start, end, step, prettyStep) { - this._start = start ? start : 0; - this._end = end ? end : 0; + Graph3d.prototype._convertPointToTranslation = function(point3d) { + var ax = point3d.x * this.scale.x, + ay = point3d.y * this.scale.y, + az = point3d.z * this.scale.z, - this.setStep(step, prettyStep); + cx = this.camera.getCameraLocation().x, + cy = this.camera.getCameraLocation().y, + cz = this.camera.getCameraLocation().z, + + // calculate angles + sinTx = Math.sin(this.camera.getCameraRotation().x), + cosTx = Math.cos(this.camera.getCameraRotation().x), + sinTy = Math.sin(this.camera.getCameraRotation().y), + cosTy = Math.cos(this.camera.getCameraRotation().y), + sinTz = Math.sin(this.camera.getCameraRotation().z), + cosTz = Math.cos(this.camera.getCameraRotation().z), + + // calculate translation + dx = cosTy * (sinTz * (ay - cy) + cosTz * (ax - cx)) - sinTy * (az - cz), + dy = sinTx * (cosTy * (az - cz) + sinTy * (sinTz * (ay - cy) + cosTz * (ax - cx))) + cosTx * (cosTz * (ay - cy) - sinTz * (ax-cx)), + dz = cosTx * (cosTy * (az - cz) + sinTy * (sinTz * (ay - cy) + cosTz * (ax - cx))) - sinTx * (cosTz * (ay - cy) - sinTz * (ax-cx)); + + return new Point3d(dx, dy, dz); }; /** - * 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, ...) + * 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 */ - StepNumber.prototype.setStep = function(step, prettyStep) { - if (step === undefined || step <= 0) - return; + Graph3d.prototype._convertTranslationToScreen = function(translation) { + var ex = this.eye.x, + ey = this.eye.y, + ez = this.eye.z, + dx = translation.x, + dy = translation.y, + dz = translation.z; - if (prettyStep !== undefined) - this.prettyStep = prettyStep; + // 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()); + } - if (this.prettyStep === true) - this._step = StepNumber.calculatePrettyStep(step); - else - this._step = step; + // 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); }; /** - * 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 + * Set the background styling for the graph + * @param {string | {fill: string, stroke: string, strokeWidth: string}} backgroundColor */ - StepNumber.calculatePrettyStep = function (step) { - var log10 = function (x) {return Math.log(x) / Math.LN10;}; + Graph3d.prototype._setBackgroundColor = function(backgroundColor) { + var fill = 'white'; + var stroke = 'gray'; + var strokeWidth = 1; - // 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))); + 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'; + } - // 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; + this.frame.style.backgroundColor = fill; + this.frame.style.borderColor = stroke; + this.frame.style.borderWidth = strokeWidth + 'px'; + this.frame.style.borderStyle = 'solid'; + }; - // for safety - if (prettyStep <= 0) { - prettyStep = 1; - } - return prettyStep; + /// 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 }; /** - * returns the current value of the step - * @return {Number} current value + * 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 */ - StepNumber.prototype.getCurrent = function () { - return parseFloat(this._current.toPrecision(this.precision)); + Graph3d.prototype._getStyleNumber = function(styleName) { + switch (styleName) { + case 'dot': return Graph3d.STYLE.DOT; + case 'dot-line': return Graph3d.STYLE.DOTLINE; + case 'dot-color': return Graph3d.STYLE.DOTCOLOR; + case 'dot-size': return Graph3d.STYLE.DOTSIZE; + case 'line': return Graph3d.STYLE.LINE; + case 'grid': return Graph3d.STYLE.GRID; + case 'surface': return Graph3d.STYLE.SURFACE; + case 'bar': return Graph3d.STYLE.BAR; + case 'bar-color': return Graph3d.STYLE.BARCOLOR; + case 'bar-size': return Graph3d.STYLE.BARSIZE; + } + + return -1; }; /** - * returns the current step size - * @return {Number} current step size + * Determine the indexes of the data columns, based on the given style and data + * @param {DataSet} data + * @param {Number} style */ - 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; - }; + 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; - /** - * Do a step, add the step size to the current value - */ - StepNumber.prototype.next = function () { - this._current += this._step; - }; + 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; - /** - * Returns true whether the end is reached - * @return {boolean} True if the current value has passed the end value. - */ - StepNumber.prototype.end = function () { - return (this._current > this._end); + if (data.getNumberOfColumns() > 4) { + this.colFilter = 4; + } + } + else { + throw 'Unknown style "' + this.style + '"'; + } }; - module.exports = StepNumber; + Graph3d.prototype.getNumberOfRows = function(data) { + return data.length; + } -/***/ }, -/* 13 */ -/***/ function(module, exports, __webpack_require__) { + Graph3d.prototype.getNumberOfColumns = function(data) { + var counter = 0; + for (var column in data[0]) { + if (data[0].hasOwnProperty(column)) { + counter++; + } + } + return counter; + } - var Emitter = __webpack_require__(53); - 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); - /** - * Create a timeline visualization - * @param {HTMLElement} container - * @param {vis.DataSet | Array | google.visualization.DataTable} [items] - * @param {Object} [options] See Timeline.setOptions for the available options. - * @constructor - * @extends Core - */ - function Timeline (container, items, groups, options) { - if (!(this instanceof Timeline)) { - throw new SyntaxError('Constructor must be called with the new operator'); + 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; + } - // 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; + + Graph3d.prototype.getColumnRange = function(data,column) { + var minMax = {min:data[0][column],max:data[0][column]}; + for (var i = 0; i < data.length; i++) { + if (minMax.min > data[i][column]) { minMax.min = data[i][column]; } + if (minMax.max < data[i][column]) { minMax.max = data[i][column]; } } + return minMax; + }; + /** + * Initialize the data from the data table. Calculate minimum and maximum values + * and column index values + * @param {Array | DataSet | DataView} rawData The data containing the items for the Graph. + * @param {Number} style Style Number + */ + Graph3d.prototype._dataInitialize = function (rawData, style) { var me = this; - 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); + // unsubscribe from the dataTable + if (this.dataSet) { + this.dataSet.off('*', this._onChange); + } - // all components listed here will be repainted automatically - this.components = []; + if (rawData === undefined) + return; - 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 (Array.isArray(rawData)) { + rawData = new DataSet(rawData); + } - // range - this.range = new Range(this.body); - this.components.push(this.range); - this.body.range = this.range; + var data; + if (rawData instanceof DataSet || rawData instanceof DataView) { + data = rawData.get(); + } + else { + throw new Error('Array, DataSet, or DataView expected'); + } - // time axis - this.timeAxis = new TimeAxis(this.body); - this.components.push(this.timeAxis); - this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); + if (data.length == 0) + return; - // current time bar - this.currentTime = new CurrentTime(this.body); - this.components.push(this.currentTime); + this.dataSet = rawData; + this.dataTable = data; - // 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); + // subscribe to changes in the dataset + this._onChange = function () { + me.setData(me.dataSet); + }; + this.dataSet.on('*', this._onChange); - // item set - this.itemSet = new ItemSet(this.body); - this.components.push(this.itemSet); + // _determineColumnIndexes + // getNumberOfRows (points) + // getNumberOfColumns (x,y,z,v,t,t1,t2...) + // getDistinctValues (unique values?) + // getColumnRange - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + // determine the location of x,y,z,value,filter columns + this.colX = 'x'; + this.colY = 'y'; + this.colZ = 'z'; + this.colValue = 'style'; + this.colFilter = 'filter'; - // apply options - if (options) { - this.setOptions(options); - } - // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! - if (groups) { - this.setGroups(groups); - } - // create itemset - if (items) { - this.setItems(items); - } - else { - this.redraw(); + // 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();}); + } } - } - - // Extend the functionality from Core - Timeline.prototype = new Core(); - - /** - * Set items - * @param {vis.DataSet | Array | google.visualization.DataTable | null} items - */ - Timeline.prototype.setItems = function(items) { - var initialLoad = (this.itemsData == null); - // convert to type DataSet when needed - var newDataSet; - if (!items) { - newDataSet = null; - } - else if (items instanceof DataSet || items instanceof DataView) { - newDataSet = items; - } - else { - // turn an array into a dataset - newDataSet = new DataSet(items, { - type: { - start: 'Date', - end: 'Date' - } - }); - } - // set items - this.itemsData = newDataSet; - this.itemSet && this.itemSet.setItems(newDataSet); + var withBars = this.style == Graph3d.STYLE.BAR || + this.style == Graph3d.STYLE.BARCOLOR || + this.style == Graph3d.STYLE.BARSIZE; - 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; + // determine barWidth from data + if (withBars) { + if (this.defaultXBarWidth !== undefined) { + this.xBarWidth = this.defaultXBarWidth; + } + else { + var dataX = this.getDistinctValues(data,this.colX); + this.xBarWidth = (dataX[1] - dataX[0]) || 1; + } - this.setWindow(start, end, {animate: false}); + if (this.defaultYBarWidth !== undefined) { + this.yBarWidth = this.defaultYBarWidth; } else { - this.fit({animate: false}); + var dataY = this.getDistinctValues(data,this.colY); + this.yBarWidth = (dataY[1] - dataY[0]) || 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; - } - else { - // turn an array into a dataset - newDataSet = new DataSet(groups); + // 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; - this.groupsData = newDataSet; - this.itemSet.setGroups(newDataSet); - }; + 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; - /** - * Set selected items by their id. Replaces the current selection - * Unknown id's are silently ignored. - * @param {string[] | string} [ids] An array with zero or more id's of the items to be - * selected. If ids is an empty array, all items will be - * unselected. - * @param {Object} [options] Available options: - * `focus: boolean` - * If true, focus will be set to the selected item(s) - * `animate: boolean | number` - * If true (default), the range is animated - * smoothly to the new window. - * If a number, the number is taken as duration - * for the animation. Default duration is 500 ms. - * Only applicable when option focus is true. - */ - Timeline.prototype.setSelection = function(ids, options) { - this.itemSet && this.itemSet.setSelection(ids); + var zRange = this.getColumnRange(data,this.colZ); + this.zMin = (this.defaultZMin !== undefined) ? this.defaultZMin : zRange.min; + this.zMax = (this.defaultZMax !== undefined) ? this.defaultZMax : zRange.max; + if (this.zMax <= this.zMin) this.zMax = this.zMin + 1; + this.zStep = (this.defaultZStep !== undefined) ? this.defaultZStep : (this.zMax-this.zMin)/5; - if (options && options.focus) { - this.focus(ids, options); + 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; } - }; - /** - * Get the selected items by their id - * @return {Array} ids The ids of the selected items - */ - Timeline.prototype.getSelection = function() { - return this.itemSet && this.itemSet.getSelection() || []; + // set the scale dependent on the ranges. + this._setScale(); }; + + /** - * 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 + * Filter the data based on the current filter + * @param {Array} data + * @return {Array} dataPoints Array with point objects which can be drawn on screen */ - Timeline.prototype.focus = function(id, options) { - if (!this.itemsData || id == undefined) return; + 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 ids = Array.isArray(id) ? id : [id]; + var dataPoints = []; - // get the specified item(s) - var itemsData = this.itemsData.getDataSet().get(ids, { - type: { - start: 'Date', - end: 'Date' - } - }); + 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 - // 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(); + // create two lists with all present x and y values + var dataX = []; + var dataY = []; + for (i = 0; i < this.getNumberOfRows(data); i++) { + x = data[i][this.colX] || 0; + y = data[i][this.colY] || 0; - if (start === null || s < start) { - start = s; + if (dataX.indexOf(x) === -1) { + dataX.push(x); + } + if (dataY.indexOf(y) === -1) { + dataY.push(y); + } } - if (end === null || e > end) { - end = e; + function sortNumber(a, b) { + return a - b; } - }); + dataX.sort(sortNumber); + dataY.sort(sortNumber); - 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); + // 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 animate = (options && options.animate !== undefined) ? options.animate : true; - this.range.setRange(middle - interval / 2, middle + interval / 2, animate); - } - }; + var xIndex = dataX.indexOf(x); // TODO: implement Array().indexOf() for Internet Explorer + var yIndex = dataY.indexOf(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 - */ - Timeline.prototype.getItemRange = function() { - // calculate min from start filed - var dataset = this.itemsData.getDataSet(), - min = null, - max = null; + if (dataMatrix[xIndex] === undefined) { + dataMatrix[xIndex] = []; + } - 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 + var point3d = new Point3d(); + point3d.x = x; + point3d.y = y; + point3d.z = z; - // calculate maximum value of fields 'start' and 'end' - var maxStartItem = dataset.max('start'); - if (maxStartItem) { - max = util.convert(maxStartItem.start, 'Date').valueOf(); + obj = {}; + obj.point = point3d; + obj.trans = undefined; + obj.screen = undefined; + obj.bottom = new Point3d(x, y, this.zMin); + + dataMatrix[xIndex][yIndex] = obj; + + dataPoints.push(obj); } - 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()); + + // fill in the pointers to the neighbors. + for (x = 0; x < dataMatrix.length; x++) { + for (y = 0; y < dataMatrix[x].length; y++) { + if (dataMatrix[x][y]) { + dataMatrix[x][y].pointRight = (x < dataMatrix.length-1) ? dataMatrix[x+1][y] : undefined; + dataMatrix[x][y].pointTop = (y < dataMatrix[x].length-1) ? dataMatrix[x][y+1] : undefined; + dataMatrix[x][y].pointCross = + (x < dataMatrix.length-1 && y < dataMatrix[x].length-1) ? + dataMatrix[x+1][y+1] : + undefined; + } } } } + else { // 'dot', 'dot-line', etc. + // copy all values from the google data table to a list with Point3d objects + for (i = 0; i < data.length; i++) { + point = new Point3d(); + point.x = data[i][this.colX] || 0; + point.y = data[i][this.colY] || 0; + point.z = data[i][this.colZ] || 0; - return { - min: (min != null) ? new Date(min) : null, - max: (max != null) ? new Date(max) : null - }; - }; + if (this.colValue !== undefined) { + point.value = data[i][this.colValue] || 0; + } + obj = {}; + obj.point = point; + obj.bottom = new Point3d(point.x, point.y, this.zMin); + obj.trans = undefined; + obj.screen = undefined; - module.exports = Timeline; + dataPoints.push(obj); + } + } - -/***/ }, -/* 14 */ -/***/ function(module, exports, __webpack_require__) { - - var Emitter = __webpack_require__(53); - 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); + return dataPoints; + }; /** - * 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 + * Create the main frame for the Graph3d. + * This function is executed once when a Graph3d object is created. The frame + * contains a canvas, and this canvas contains all objects like the axis and + * nodes. */ - function 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; + 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; - this.defaultOptions = { - start: null, - end: null, + 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' - autoResize: true, + 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); - orientation: 'bottom', - width: null, - height: null, - maxHeight: null, - minHeight: null - }; - this.options = util.deepExtend({}, this.defaultOptions); + // add the new graph to the container element + this.containerElement.appendChild(this.frame); + }; - // Create the DOM, props, and emitter - this._create(container); - // all components listed here will be repainted automatically - this.components = []; + /** + * Set a new size for the graph + * @param {string} width Width in pixels or percentage (for example '800px' + * or '50%') + * @param {string} height Height in pixels or percentage (for example '400px' + * or '30%') + */ + Graph3d.prototype.setSize = function(width, height) { + this.frame.style.width = width; + this.frame.style.height = height; - this.body = { - dom: this.dom, - domProps: this.props, - emitter: { - on: this.on.bind(this), - off: this.off.bind(this), - emit: this.emit.bind(this) - }, - hiddenDates: [], - util: { - snap: null, // will be specified after TimeAxis is created - toScreen: me._toScreen.bind(me), - toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width - toTime: me._toTime.bind(me), - toGlobalTime : me._toGlobalTime.bind(me) - } - }; + this._resizeCanvas(); + }; - // range - this.range = new Range(this.body); - this.components.push(this.range); - this.body.range = this.range; + /** + * 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%'; - // time axis - this.timeAxis = new TimeAxis(this.body); - this.components.push(this.timeAxis); - this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); + this.frame.canvas.width = this.frame.canvas.clientWidth; + this.frame.canvas.height = this.frame.canvas.clientHeight; - // current time bar - this.currentTime = new CurrentTime(this.body); - this.components.push(this.currentTime); + // adjust with for margin + this.frame.filter.style.width = (this.frame.canvas.clientWidth - 2 * 10) + 'px'; + }; - // 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); + /** + * Start animation + */ + Graph3d.prototype.animationStart = function() { + if (!this.frame.filter || !this.frame.filter.slider) + throw 'No animation available'; - // item set - this.linegraph = new LineGraph(this.body); - this.components.push(this.linegraph); + this.frame.filter.slider.play(); + }; - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet - // apply options - if (options) { - this.setOptions(options); - } + /** + * Stop animation + */ + Graph3d.prototype.animationStop = function() { + if (!this.frame.filter || !this.frame.filter.slider) return; - // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! - if (groups) { - this.setGroups(groups); - } + this.frame.filter.slider.stop(); + }; - // create itemset - if (items) { - this.setItems(items); + + /** + * 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.redraw(); + this.xcenter = parseFloat(this.defaultXCenter); // supposed to be in px } - } - // Extend the functionality from Core - Graph2d.prototype = new Core(); + // calculate the vertical center position + if (this.defaultYCenter.charAt(this.defaultYCenter.length-1) === '%') { + this.ycenter = + parseFloat(this.defaultYCenter) / 100 * + (this.frame.canvas.clientHeight - this.frame.filter.clientHeight); + } + else { + this.ycenter = parseFloat(this.defaultYCenter); // supposed to be in px + } + }; /** - * Set items - * @param {vis.DataSet | Array | google.visualization.DataTable | null} items + * 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. */ - Graph2d.prototype.setItems = function(items) { - var initialLoad = (this.itemsData == null); - - // convert to type DataSet when needed - var newDataSet; - if (!items) { - newDataSet = null; + Graph3d.prototype.setCameraPosition = function(pos) { + if (pos === undefined) { + return; } - else if (items instanceof DataSet || items instanceof DataView) { - newDataSet = items; + + if (pos.horizontal !== undefined && pos.vertical !== undefined) { + this.camera.setArmRotation(pos.horizontal, pos.vertical); } - else { - // turn an array into a dataset - newDataSet = new DataSet(items, { - type: { - start: 'Date', - end: 'Date' - } - }); + + if (pos.distance !== undefined) { + this.camera.setArmLength(pos.distance); } - // set items - this.itemsData = newDataSet; - this.linegraph && this.linegraph.setItems(newDataSet); + this.redraw(); + }; - if (initialLoad) { - if (this.options.start != undefined || this.options.end != undefined) { - var start = this.options.start != undefined ? this.options.start : null; - var end = this.options.end != undefined ? this.options.end : null; - this.setWindow(start, end, {animate: false}); - } - else { - this.fit({animate: false}); - } - } + /** + * 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; }; /** - * Set groups - * @param {vis.DataSet | Array | google.visualization.DataTable} groups + * Load data into the 3D Graph */ - 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; + Graph3d.prototype._readData = function(data) { + // read the data + this._dataInitialize(data, this.style); + + + if (this.dataFilter) { + // apply filtering + this.dataPoints = this.dataFilter._getDataPoints(); } else { - // turn an array into a dataset - newDataSet = new DataSet(groups); + // no filtering. load all data + this.dataPoints = this._getDataPoints(this.dataTable); } - this.groupsData = newDataSet; - this.linegraph.setGroups(newDataSet); + // draw the filter + this._redrawFilter(); }; /** - * 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 + * Replace the dataset of the Graph3d + * @param {Array | DataSet | DataView} data */ - 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; + Graph3d.prototype.setData = function (data) { + this._readData(data); + this.redraw(); + + // start animation when option is true + if (this.animationAutoStart && this.dataFilter) { + this.animationStart(); } - } + }; /** - * This checks if the visible option of the supplied group (by ID) is true or false. - * @param groupId - * @returns {*} + * Update the options. Options will be merged with current options + * @param {Object} options */ - 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; - } - } + Graph3d.prototype.setOptions = function (options) { + var cameraPosition = undefined; + this.animationStop(); - /** - * 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; + if (options !== undefined) { + // retrieve parameter values + if (options.width !== undefined) this.width = options.width; + if (options.height !== undefined) this.height = options.height; - // calculate min from start filed - for (var groupId in this.linegraph.groups) { - if (this.linegraph.groups.hasOwnProperty(groupId)) { - if (this.linegraph.groups[groupId].visible == true) { - for (var i = 0; i < this.linegraph.groups[groupId].itemsData.length; i++) { - var item = this.linegraph.groups[groupId].itemsData[i]; - var value = util.convert(item.x, 'Date').valueOf(); - min = min == null ? value : min > value ? value : min; - max = max == null ? value : max < value ? value : max; - } + if (options.xCenter !== undefined) this.defaultXCenter = options.xCenter; + if (options.yCenter !== undefined) this.defaultYCenter = options.yCenter; + + if (options.filterLabel !== undefined) this.filterLabel = options.filterLabel; + if (options.legendLabel !== undefined) this.legendLabel = options.legendLabel; + if (options.xLabel !== undefined) this.xLabel = options.xLabel; + if (options.yLabel !== undefined) this.yLabel = options.yLabel; + if (options.zLabel !== undefined) this.zLabel = options.zLabel; + + if (options.xValueLabel !== undefined) this.xValueLabel = options.xValueLabel; + if (options.yValueLabel !== undefined) this.yValueLabel = options.yValueLabel; + if (options.zValueLabel !== undefined) this.zValueLabel = options.zValueLabel; + + if (options.style !== undefined) { + var styleNumber = this._getStyleNumber(options.style); + if (styleNumber !== -1) { + this.style = styleNumber; } } - } + if (options.showGrid !== undefined) this.showGrid = options.showGrid; + if (options.showPerspective !== undefined) this.showPerspective = options.showPerspective; + if (options.showShadow !== undefined) this.showShadow = options.showShadow; + if (options.tooltip !== undefined) this.showTooltip = options.tooltip; + if (options.showAnimationControls !== undefined) this.showAnimationControls = options.showAnimationControls; + if (options.keepAspectRatio !== undefined) this.keepAspectRatio = options.keepAspectRatio; + if (options.verticalRatio !== undefined) this.verticalRatio = options.verticalRatio; - return { - min: (min != null) ? new Date(min) : null, - max: (max != null) ? new Date(max) : null - }; - }; + if (options.animationInterval !== undefined) this.animationInterval = options.animationInterval; + if (options.animationPreload !== undefined) this.animationPreload = options.animationPreload; + if (options.animationAutoStart !== undefined)this.animationAutoStart = options.animationAutoStart; + + if (options.xBarWidth !== undefined) this.defaultXBarWidth = options.xBarWidth; + if (options.yBarWidth !== undefined) this.defaultYBarWidth = options.yBarWidth; + + if (options.xMin !== undefined) this.defaultXMin = options.xMin; + if (options.xStep !== undefined) this.defaultXStep = options.xStep; + if (options.xMax !== undefined) this.defaultXMax = options.xMax; + if (options.yMin !== undefined) this.defaultYMin = options.yMin; + if (options.yStep !== undefined) this.defaultYStep = options.yStep; + if (options.yMax !== undefined) this.defaultYMax = options.yMax; + if (options.zMin !== undefined) this.defaultZMin = options.zMin; + if (options.zStep !== undefined) this.defaultZStep = options.zStep; + if (options.zMax !== undefined) this.defaultZMax = options.zMax; + if (options.valueMin !== undefined) this.defaultValueMin = options.valueMin; + if (options.valueMax !== undefined) this.defaultValueMax = options.valueMax; + + if (options.cameraPosition !== undefined) cameraPosition = options.cameraPosition; + if (cameraPosition !== undefined) { + this.camera.setArmRotation(cameraPosition.horizontal, cameraPosition.vertical); + this.camera.setArmLength(cameraPosition.distance); + } + else { + this.camera.setArmRotation(1.0, 0.5); + this.camera.setArmLength(1.7); + } + } + this._setBackgroundColor(options && options.backgroundColor); - module.exports = Graph2d; + this.setSize(this.width, this.height); + // re-load the data + if (this.dataTable) { + this.setData(this.dataTable); + } -/***/ }, -/* 15 */ -/***/ function(module, exports, __webpack_require__) { + // start animation when option is true + if (this.animationAutoStart && this.dataFilter) { + this.animationStart(); + } + }; /** - * Created by Alex on 10/3/2014. + * Redraw the Graph. */ - var moment = __webpack_require__(44); + Graph3d.prototype.redraw = function() { + if (this.dataPoints === undefined) { + throw 'Error: graph data not initialized'; + } + this._resizeCanvas(); + this._resizeCenter(); + this._redrawSlider(); + this._redrawClear(); + this._redrawAxis(); - /** - * 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); - } - } - body.hiddenDates.sort(function (a, b) { - return a.start - b.start; - }); // sort by start time - } + if (this.style === Graph3d.STYLE.GRID || + this.style === Graph3d.STYLE.SURFACE) { + this._redrawDataGrid(); + } + else if (this.style === Graph3d.STYLE.LINE) { + this._redrawDataLine(); + } + else if (this.style === Graph3d.STYLE.BAR || + this.style === Graph3d.STYLE.BARCOLOR || + this.style === Graph3d.STYLE.BARSIZE) { + this._redrawDataBar(); + } + else { + // style is DOT, DOTLINE, DOTCOLOR, DOTSIZE + this._redrawDataDot(); } - }; + this._redrawInfo(); + this._redrawLegend(); + }; /** - * create new entrees for the repeating hidden dates - * @param body - * @param hiddenDates + * Clear the canvas before redrawing */ - exports.updateHiddenDates = function (body, hiddenDates) { - if (hiddenDates && body.domProps.centerContainer.width !== undefined) { - exports.convertHiddenOptions(body, hiddenDates); + Graph3d.prototype._redrawClear = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); - var start = moment(body.range.start); - var end = moment(body.range.end); + ctx.clearRect(0, 0, canvas.width, canvas.height); + }; - var totalRange = (body.range.end - body.range.start); - var pixelTime = totalRange / body.domProps.centerContainer.width; - for (var i = 0; i < hiddenDates.length; i++) { - if (hiddenDates[i].repeat !== undefined) { - var startDate = moment(hiddenDates[i].start); - var endDate = moment(hiddenDates[i].end); + /** + * Redraw the legend showing the colors + */ + Graph3d.prototype._redrawLegend = function() { + var y; - 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 (this.style === Graph3d.STYLE.DOTCOLOR || + this.style === Graph3d.STYLE.DOTSIZE) { - var duration = endDate - startDate; - if (duration >= 4 * pixelTime) { + var dotSize = this.frame.clientWidth * 0.02; - var offset = 0; - var runUntil = end.clone(); - switch (hiddenDates[i].repeat) { - case "daily": // case of time - if (startDate.day() != endDate.day()) { - offset = 1; - } - startDate.dayOfYear(start.dayOfYear()); - startDate.year(start.year()); - startDate.subtract(7,'days'); - - endDate.dayOfYear(start.dayOfYear()); - endDate.year(start.year()); - endDate.subtract(7 - offset,'days'); - - runUntil.add(1, 'weeks'); - break; - case "weekly": - var dayOffset = endDate.diff(startDate,'days') - var day = startDate.day(); - - // set the start date to the range.start - startDate.date(start.date()); - startDate.month(start.month()); - startDate.year(start.year()); - endDate = startDate.clone(); - - // force - startDate.day(day); - endDate.day(day); - endDate.add(dayOffset,'days'); - - startDate.subtract(1,'weeks'); - endDate.subtract(1,'weeks'); - - runUntil.add(1, 'weeks'); - break - case "monthly": - if (startDate.month() != endDate.month()) { - offset = 1; - } - startDate.month(start.month()); - startDate.year(start.year()); - startDate.subtract(1,'months'); - - endDate.month(start.month()); - endDate.year(start.year()); - endDate.subtract(1,'months'); - endDate.add(offset,'months'); - - runUntil.add(1, 'months'); - break; - case "yearly": - if (startDate.year() != endDate.year()) { - offset = 1; - } - startDate.year(start.year()); - startDate.subtract(1,'years'); - endDate.year(start.year()); - endDate.subtract(1,'years'); - endDate.add(offset,'years'); - - runUntil.add(1, 'years'); - break; - default: - console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat); - return; - } - while (startDate < runUntil) { - body.hiddenDates.push({start: startDate.valueOf(), end: endDate.valueOf()}); - switch (hiddenDates[i].repeat) { - case "daily": - startDate.add(1, 'days'); - endDate.add(1, 'days'); - break; - case "weekly": - startDate.add(1, 'weeks'); - endDate.add(1, 'weeks'); - break - case "monthly": - startDate.add(1, 'months'); - endDate.add(1, 'months'); - break; - case "yearly": - startDate.add(1, 'y'); - endDate.add(1, 'y'); - break; - default: - console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat); - return; - } - } - body.hiddenDates.push({start: startDate.valueOf(), end: endDate.valueOf()}); - } - } + var widthMin, widthMax; + if (this.style === Graph3d.STYLE.DOTSIZE) { + widthMin = dotSize / 2; // px + widthMax = dotSize / 2 + dotSize * 2; // Todo: put this in one function } - // remove duplicates, merge where possible - exports.removeDuplicates(body); - // ensure the new positions are not on hidden dates - var startHidden = exports.isHidden(body.range.start, body.hiddenDates); - var endHidden = exports.isHidden(body.range.end,body.hiddenDates); - var rangeStart = body.range.start; - var rangeEnd = body.range.end; - if (startHidden.hidden == true) {rangeStart = body.range.startToFront == true ? startHidden.startDate - 1 : startHidden.endDate + 1;} - if (endHidden.hidden == true) {rangeEnd = body.range.endToFront == true ? endHidden.startDate - 1 : endHidden.endDate + 1;} - if (startHidden.hidden == true || endHidden.hidden == true) { - body.range._applyRange(rangeStart, rangeEnd); + else { + widthMin = 20; // px + widthMax = 20; // px } + + var height = Math.max(this.frame.clientHeight * 0.25, 100); + var top = this.margin; + var right = this.frame.clientWidth - this.margin; + var left = right - widthMax; + var bottom = top + height; } - } + 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); - /** - * 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; - } - } - } - } + //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); - for (var i = 0; i < hiddenDates.length; i++) { - if (hiddenDates[i].remove !== true) { - safeDates.push(hiddenDates[i]); + ctx.strokeStyle = color; + ctx.beginPath(); + ctx.moveTo(left, top + y); + ctx.lineTo(right, top + y); + ctx.stroke(); } - } - - 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); + ctx.strokeStyle = this.colorAxis; + ctx.strokeRect(left, top, widthMax, height); } - } - /** - * 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; - } + 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 (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;} + 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; - timeStep.current = newValue.toDate(); - } - }; + 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); - /** - * 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; + step.next(); } - } - if (stepInHidden == true && currentValue <= timeStep._end.valueOf()) { - var newValue = moment(endDate); - timeStep.current = newValue.toDate(); + ctx.textAlign = 'right'; + ctx.textBaseline = 'top'; + var label = this.legendLabel; + ctx.fillText(label, right, bottom + this.margin); } }; /** - * replaces the Core toScreen methods - * @param Core - * @param time - * @param width - * @returns {number} + * Redraw the filter */ - exports.toScreen = function(Core, time, width) { - var hidden = exports.isHidden(time, Core.body.hiddenDates) - if (hidden.hidden == true) { - time = hidden.startDate; - } + Graph3d.prototype._redrawFilter = function() { + this.frame.filter.innerHTML = ''; - var duration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); - time = exports.correctTimeForHidden(Core.body.hiddenDates, Core.range, time); + if (this.dataFilter) { + var options = { + 'visible': this.showAnimationControls + }; + var slider = new Slider(this.frame.filter, options); + this.frame.filter.slider = slider; - var conversion = Core.range.conversion(width, duration); - return (time.valueOf() - conversion.offset) * conversion.scale; - }; + // TODO: css here is not nice here... + this.frame.filter.style.padding = '10px'; + //this.frame.filter.style.backgroundColor = '#EFEFEF'; + slider.setValues(this.dataFilter.values); + slider.setPlayInterval(this.animationInterval); - /** - * Replaces the core toTime methods - * @param body - * @param range - * @param x - * @param width - * @returns {Date} - */ - exports.toTime = function(body, range, x, width) { - var hiddenDuration = exports.getHiddenDurationBetween(body.hiddenDates, range.start, range.end); - var totalDuration = range.end - range.start - hiddenDuration; - var partialDuration = totalDuration * x / width; - var accumulatedHiddenDuration = exports.getAccumulatedHiddenDuration(body.hiddenDates,range, partialDuration); + // create an event handler + var me = this; + var onchange = function () { + var index = slider.getIndex(); - var newTime = new Date(accumulatedHiddenDuration + partialDuration + range.start); - return newTime; - }; + me.dataFilter.selectValue(index); + me.dataPoints = me.dataFilter._getDataPoints(); + me.redraw(); + }; + slider.setOnChangeCallback(onchange); + } + else { + this.frame.filter.slider = undefined; + } + }; /** - * Support function - * - * @param hiddenDates - * @param range - * @returns {number} + * Redraw the slider */ - 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; - } + Graph3d.prototype._redrawSlider = function() { + if ( this.frame.filter.slider !== undefined) { + this.frame.filter.slider.redraw(); } - return duration; }; /** - * Support function - * @param hiddenDates - * @param range - * @param time - * @returns {{duration: number, time: *, offset: number}} + * Redraw common information */ - exports.correctTimeForHidden = function(hiddenDates, range, time) { - time = moment(time).toDate().valueOf(); - time -= exports.getHiddenDurationBefore(hiddenDates,range,time); - return time; - }; + Graph3d.prototype._redrawInfo = function() { + if (this.dataFilter) { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); - exports.getHiddenDurationBefore = function(hiddenDates, range, time) { - var timeOffset = 0; - time = moment(time).toDate().valueOf(); + ctx.font = '14px arial'; // TODO: put in options + ctx.lineStyle = 'gray'; + ctx.fillStyle = 'gray'; + ctx.textAlign = 'left'; + ctx.textBaseline = 'top'; - 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); - } - } + var x = this.margin; + var y = this.margin; + ctx.fillText(this.dataFilter.getLabel() + ': ' + this.dataFilter.getSelectedValue(), x, y); } - 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}} + * Redraw the axis */ - exports.getAccumulatedHiddenDuration = function(hiddenDates, range, requiredDuration) { - var hiddenDuration = 0; - var duration = 0; - var previousPoint = range.start; - //exports.printDates(hiddenDates) - for (var i = 0; i < hiddenDates.length; i++) { - var startDate = hiddenDates[i].start; - var endDate = hiddenDates[i].end; - // if time after the cutout, and the - if (startDate >= range.start && endDate < range.end) { - duration += startDate - previousPoint; - previousPoint = endDate; - if (duration >= requiredDuration) { - break; - } - else { - hiddenDuration += endDate - startDate; - } - } - } + Graph3d.prototype._redrawAxis = function() { + var canvas = this.frame.canvas, + ctx = canvas.getContext('2d'), + from, to, step, prettyStep, + text, xText, yText, zText, + offset, xOffset, yOffset, + xMin2d, xMax2d; - return hiddenDuration; - }; + // TODO: get the actual rendered style of the containerElement + //ctx.font = this.containerElement.style.font; + ctx.font = 24 / this.camera.getArmLength() + 'px arial'; + // 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; + // 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(); - /** - * 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 {*} - */ - 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; - } + 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 { - if (correctionEnabled == true) { - return isHidden.endDate + (time - isHidden.startDate) + 1; - } - else { - return isHidden.endDate + 1; - } - } - } - else { - return time; - } + 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(); + } + 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); - /** - * Check if a time is hidden - * - * @param time - * @param hiddenDates - * @returns {{hidden: boolean, startDate: Window.start, endDate: *}} - */ - exports.isHidden = function(time, hiddenDates) { - for (var i = 0; i < hiddenDates.length; i++) { - var startDate = hiddenDates[i].start; - var endDate = hiddenDates[i].end; + step.next(); + } - if (time >= startDate && time < endDate) { // if the start is entering a hidden zone - return {hidden: true, startDate: startDate, endDate: endDate}; - break; - } + // 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(); } - return {hidden: false, startDate: startDate, endDate: endDate}; - } + 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(); -/***/ }, -/* 16 */ -/***/ function(module, exports, __webpack_require__) { + 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(); + } - /** - * @constructor DataStep - * The class DataStep is an iterator for data for the lineGraph. You provide a start data point and an - * end data point. The class itself determines the best scale (step size) based on the - * provided start Date, end Date, and minimumStep. - * - * If minimumStep is provided, the step size is chosen as close as possible - * to the minimumStep but larger than minimumStep. If minimumStep is not - * provided, the scale is set to 1 DAY. - * The minimumStep should correspond with the onscreen size of about 6 characters - * - * Alternatively, you can set a scale by hand. - * After creation, you can initialize the class by executing first(). Then you - * can iterate from the start date to the end date via next(). You can check if - * the end date is reached with the function hasNext(). After each step, you can - * retrieve the current date via getCurrent(). - * The DataStep has scales ranging from milliseconds, seconds, minutes, hours, - * days, to years. - * - * Version: 1.2 - * - * @param {Date} [start] The start date, for example new Date(2010, 9, 21) - * or new Date(2010, 9, 21, 23, 45, 00) - * @param {Date} [end] The end date - * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds - */ - function DataStep(start, end, minimumStep, containerHeight, customRange) { - // variables - this.current = 0; + 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.autoScale = true; - this.stepIndex = 0; - this.step = 1; - this.scale = 1; + step.next(); + } - this.marginStart; - this.marginEnd; - this.deadSpace = 0; + // 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.majorSteps = [1, 2, 5, 10]; - this.minorSteps = [0.25, 0.5, 1, 2]; + ctx.textAlign = 'right'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = this.colorAxis; + ctx.fillText(this.zValueLabel(step.getCurrent()) + ' ', from.x - 5, from.y); - this.setRange(start, end, minimumStep, containerHeight, customRange); - } + step.next(); + } + ctx.lineWidth = 1; + from = this._convert3Dto2D(new Point3d(xText, yText, this.zMin)); + to = this._convert3Dto2D(new Point3d(xText, yText, this.zMax)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); + // draw x-axis + ctx.lineWidth = 1; + // line at yMin + xMin2d = this._convert3Dto2D(new Point3d(this.xMin, this.yMin, this.zMin)); + xMax2d = this._convert3Dto2D(new Point3d(this.xMax, this.yMin, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(xMin2d.x, xMin2d.y); + ctx.lineTo(xMax2d.x, xMax2d.y); + ctx.stroke(); + // line at ymax + xMin2d = this._convert3Dto2D(new Point3d(this.xMin, this.yMax, this.zMin)); + xMax2d = this._convert3Dto2D(new Point3d(this.xMax, this.yMax, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(xMin2d.x, xMin2d.y); + ctx.lineTo(xMax2d.x, xMax2d.y); + ctx.stroke(); + // draw y-axis + ctx.lineWidth = 1; + // line at xMin + from = this._convert3Dto2D(new Point3d(this.xMin, this.yMin, this.zMin)); + to = this._convert3Dto2D(new Point3d(this.xMin, this.yMax, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); + // line at xMax + from = this._convert3Dto2D(new Point3d(this.xMax, this.yMin, this.zMin)); + to = this._convert3Dto2D(new Point3d(this.xMax, this.yMax, this.zMin)); + ctx.strokeStyle = this.colorAxis; + ctx.beginPath(); + ctx.moveTo(from.x, from.y); + ctx.lineTo(to.x, to.y); + ctx.stroke(); - /** - * Set a new range - * If minimumStep is provided, the step size is chosen as close as possible - * to the minimumStep but larger than minimumStep. If minimumStep is not - * provided, the scale is set to 1 DAY. - * The minimumStep should correspond with the onscreen size of about 6 characters - * @param {Number} [start] The start date and time. - * @param {Number} [end] The end date and time. - * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds - */ - DataStep.prototype.setRange = function(start, end, minimumStep, containerHeight, customRange) { - this._start = customRange.min === undefined ? start : customRange.min; - this._end = customRange.max === undefined ? end : customRange.max; + // 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); + } - if (this._start == this._end) { - this._start -= 0.75; - this._end += 1; + // 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); } - if (this.autoScale) { - this.setMinimumStep(minimumStep, containerHeight); + // 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); } - this.setFirst(customRange); }; /** - * Automatically determine the scale that bests fits the provided minimum step - * @param {Number} [minimumStep] The minimum step size in milliseconds + * 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 */ - DataStep.prototype.setMinimumStep = function(minimumStep, containerHeight) { - // round to floor - var size = this._end - this._start; - var safeSize = size * 1.2; - var minimumStepValue = minimumStep * (safeSize / containerHeight); - var orderOfMagnitude = Math.round(Math.log(safeSize)/Math.LN10); + Graph3d.prototype._hsv2rgb = function(H, S, V) { + var R, G, B, C, Hi, X; - var minorStepIdx = -1; - var magnitudefactor = Math.pow(10,orderOfMagnitude); + C = V * S; + Hi = Math.floor(H/60); // hi = 0,1,2,3,4,5 + X = C * (1 - Math.abs(((H/60) % 2) - 1)); - var start = 0; - if (orderOfMagnitude < 0) { - start = orderOfMagnitude; - } + 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; - 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; - } + default: R = 0; G = 0; B = 0; break; } - this.stepIndex = minorStepIdx; - this.scale = magnitudefactor; - this.step = magnitudefactor * this.minorSteps[minorStepIdx]; - }; + return 'RGB(' + parseInt(R*255) + ',' + parseInt(G*255) + ',' + parseInt(B*255) + ')'; + }; /** - * Round the current date to the first minor date value - * This must be executed once when the current date is set to start Date + * Draw all datapoints as a grid + * This function can be used when the style is 'grid' */ - DataStep.prototype.setFirst = function(customRange) { - if (customRange === undefined) { - customRange = {}; - } - var niceStart = customRange.min === undefined ? this._start - (this.scale * 2 * this.minorSteps[this.stepIndex]) : customRange.min; - var niceEnd = customRange.max === undefined ? this._end + (this.scale * this.minorSteps[this.stepIndex]) : customRange.max; + Graph3d.prototype._redrawDataGrid = function() { + var canvas = this.frame.canvas, + ctx = canvas.getContext('2d'), + point, right, top, cross, + i, + topSideVisible, fillStyle, strokeStyle, lineWidth, + h, s, v, zAvg; - this.marginEnd = customRange.max === undefined ? this.roundToMinor(niceEnd) : customRange.max; - this.marginStart = customRange.min === undefined ? this.roundToMinor(niceStart) : customRange.min; - this.deadSpace = this.roundToMinor(niceEnd) - niceEnd + this.roundToMinor(niceStart) - niceStart; - this.marginRange = this.marginEnd - this.marginStart; - this.current = this.marginEnd; + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - }; + // calculate the translations and screen position of all points + for (i = 0; i < this.dataPoints.length; i++) { + var trans = this._convertPointToTranslation(this.dataPoints[i].point); + var screen = this._convertTranslationToScreen(trans); - 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; + this.dataPoints[i].trans = trans; + this.dataPoints[i].screen = screen; + + // calculate the translation of the point at the bottom (needed for sorting) + var transBottom = this._convertPointToTranslation(this.dataPoints[i].bottom); + this.dataPoints[i].dist = this.showPerspective ? transBottom.length() : -transBottom.z; } - } + // 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); - /** - * 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); - }; + 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; - /** - * Do the next step - */ - DataStep.prototype.next = function() { - var prev = this.current; - this.current -= this.step; + if (point !== undefined && right !== undefined && top !== undefined && cross !== undefined) { - // safety mechanism: if current time is still unchanged, move to the end - if (this.current == prev) { - this.current = this._end; - } - }; + 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) - /** - * Do the next step - */ - DataStep.prototype.previous = function() { - this.current += this.step; - this.marginEnd += this.step; - this.marginRange = this.marginEnd - this.marginStart; - }; + 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 + 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; - /** - * Get the current datetime - * @return {String} current The current date - */ - DataStep.prototype.getCurrent = function() { - var toPrecision = '' + Number(this.current).toPrecision(5); - if (toPrecision.indexOf(",") != -1 || toPrecision.indexOf(".") != -1) { - 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; + 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; - return toPrecision; - }; + 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; + 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(); + } - /** - * Snap a date to a rounded value. - * The snap intervals are dependent on the current scale and step. - * @param {Date} date the date to be snapped. - * @return {Date} snappedDate - */ - DataStep.prototype.snap = function(date) { + 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(); + } + } + } }; + /** - * 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. + * Draw all datapoints as dots. + * This function can be used when the style is 'dot' or 'dot-line' */ - DataStep.prototype.isMajor = function() { - return (this.current % (this.scale * this.majorSteps[this.stepIndex]) == 0); - }; + Graph3d.prototype._redrawDataDot = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + var i; - module.exports = DataStep; + 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; -/***/ }, -/* 17 */ -/***/ function(module, exports, __webpack_require__) { + // 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; + } - 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); + // 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 { + size = dotSize; + } + + var radius; + if (this.showPerspective) { + radius = size / -point.trans.z; + } + else { + radius = size * -(this.eye.z / this.camera.getArmLength()); + } + 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 { + // 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(); + } + }; /** - * @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 + * Draw all datapoints as bars. + * This function can be used when the style is 'bar', 'bar-color', or 'bar-size' */ - function Range(body, options) { - var now = moment().hours(0).minutes(0).seconds(0).milliseconds(0); - this.start = now.clone().add(-3, 'days').valueOf(); // Number - this.end = now.clone().add(4, 'days').valueOf(); // Number + Graph3d.prototype._redrawDataBar = function() { + var canvas = this.frame.canvas; + var ctx = canvas.getContext('2d'); + var i, j, surface, corners; - this.body = body; - this.deltaDifference = 0; - this.scaleOffset = 0; - this.startToFront = false; - this.endToFront = true; + if (this.dataPoints === undefined || this.dataPoints.length <= 0) + return; // TODO: throw exception? - // 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); + // 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; - this.props = { - touch: {} + // calculate the distance from the point at the bottom to the camera + var transBottom = this._convertPointToTranslation(this.dataPoints[i].bottom); + this.dataPoints[i].dist = this.showPerspective ? transBottom.length() : -transBottom.z; + } + + // order the translated points by depth + var sortDepth = function (a, b) { + return b.dist - a.dist; }; - this.animateTimer = null; + this.dataPoints.sort(sortDepth); - // 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)); + // 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]; - // ignore dragging when holding - this.body.emitter.on('hold', this._onHold.bind(this)); + // 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); + } - // mouse wheel for zooming - this.body.emitter.on('mousewheel', this._onMouseWheel.bind(this)); - this.body.emitter.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF + // 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); + } - // pinch to zoom - this.body.emitter.on('touch', this._onTouch.bind(this)); - this.body.emitter.on('pinch', this._onPinch.bind(this)); + // 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)} + ]; - this.setOptions(options); - } + // calculate screen location of the points + top.forEach(function (obj) { + obj.screen = me._convert3Dto2D(obj.point); + }); + bottom.forEach(function (obj) { + obj.screen = me._convert3Dto2D(obj.point); + }); + + // create five sides, calculate both corner points and center points + var surfaces = [ + {corners: top, center: Point3d.avg(bottom[0].point, bottom[2].point)}, + {corners: [top[0], top[1], bottom[1], bottom[0]], center: Point3d.avg(bottom[1].point, bottom[0].point)}, + {corners: [top[1], top[2], bottom[2], bottom[1]], center: Point3d.avg(bottom[2].point, bottom[1].point)}, + {corners: [top[2], top[3], bottom[3], bottom[2]], center: Point3d.avg(bottom[3].point, bottom[2].point)}, + {corners: [top[3], top[0], bottom[0], bottom[3]], center: Point3d.avg(bottom[0].point, bottom[3].point)} + ]; + point.surfaces = surfaces; + + // calculate the distance of each of the surface centers to the camera + for (j = 0; j < surfaces.length; j++) { + surface = surfaces[j]; + var transCenter = this._convertPointToTranslation(surface.center); + surface.dist = this.showPerspective ? transCenter.length() : -transCenter.z; + // TODO: this dept calculation doesn't work 100% of the cases due to perspective, + // but the current solution is fast/simple and works in 99.9% of all cases + // the issue is visible in example 14, with graph.setCameraPosition({horizontal: 2.97, vertical: 0.5, distance: 0.9}) + } + + // order the surfaces by their (translated) depth + surfaces.sort(function (a, b) { + var diff = b.dist - a.dist; + if (diff) return diff; + + // if equal depth, sort the top surface last + if (a.corners === top) return 1; + if (b.corners === top) return -1; + + // both are equal + return 0; + }); + + // draw the ordered surfaces + ctx.lineWidth = 1; + ctx.strokeStyle = borderColor; + ctx.fillStyle = color; + // NOTE: we start at j=2 instead of j=0 as we don't need to draw the two surfaces at the backside + for (j = 2; j < surfaces.length; j++) { + surface = surfaces[j]; + corners = surface.corners; + ctx.beginPath(); + ctx.moveTo(corners[3].screen.x, corners[3].screen.y); + ctx.lineTo(corners[0].screen.x, corners[0].screen.y); + ctx.lineTo(corners[1].screen.x, corners[1].screen.y); + ctx.lineTo(corners[2].screen.x, corners[2].screen.y); + ctx.lineTo(corners[3].screen.x, corners[3].screen.y); + ctx.fill(); + ctx.stroke(); + } + } + }; - Range.prototype = new Component(); /** - * Set options for the range controller - * @param {Object} options Available options: - * {Number | Date | String} start Start date for the range - * {Number | Date | String} end End date for the range - * {Number} min Minimum value for start - * {Number} max Maximum value for end - * {Number} zoomMin Set a minimum value for - * (end - start). - * {Number} zoomMax Set a maximum value for - * (end - start). - * {Boolean} moveable Enable moving of the range - * by dragging. True by default - * {Boolean} zoomable Enable zooming of the range - * by pinching/scrolling. True by default + * Draw a line through all datapoints. + * This function can be used when the style is 'line' */ - Range.prototype.setOptions = function (options) { - if (options) { - // copy the options that we know - var fields = ['direction', 'min', 'max', 'zoomMin', 'zoomMax', 'moveable', 'zoomable', 'activate', 'hiddenDates']; - util.selectiveExtend(fields, this.options, options); + Graph3d.prototype._redrawDataLine = function() { + var canvas = this.frame.canvas, + ctx = canvas.getContext('2d'), + point, i; - if ('start' in options || 'end' in options) { - // apply a new range. both start and end are optional - this.setRange(options.start, options.end); - } + if (this.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; + } + + // start the line + if (this.dataPoints.length > 0) { + point = this.dataPoints[0]; + + ctx.lineWidth = 1; // TODO: make customizable + ctx.strokeStyle = 'blue'; // TODO: make customizable + ctx.beginPath(); + ctx.moveTo(point.screen.x, point.screen.y); + } + + // draw the datapoints as colored circles + for (i = 1; i < this.dataPoints.length; i++) { + point = this.dataPoints[i]; + ctx.lineTo(point.screen.x, point.screen.y); + } + + // finish the line + if (this.dataPoints.length > 0) { + ctx.stroke(); } }; /** - * Test whether direction has a valid value - * @param {String} direction 'horizontal' or 'vertical' + * Start a moving operation inside the provided parent element + * @param {Event} event The event that occurred (required for + * retrieving the mouse position) */ - function validateDirection (direction) { - if (direction != 'horizontal' && direction != 'vertical') { - throw new TypeError('Unknown direction "' + direction + '". ' + - 'Choose "horizontal" or "vertical".'); + 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); } - } + + // 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); + }; + /** - * 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. - * + * Perform moving operating. + * This function activated from within the funcion Graph.mouseDown(). + * @param {Event} event Well, eehh, the event */ - 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(); + Graph3d.prototype._onMouseMove = function (event) { + event = event || window.event; - 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; + // calculate change in mouse position + var diffX = parseFloat(getMouseX(event)) - this.startMouseX; + var diffY = parseFloat(getMouseY(event)) - this.startMouseY; - function next() { - 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); + var horizontalNew = this.startArmRotation.horizontal + diffX / 200; + var verticalNew = this.startArmRotation.vertical + diffY / 200; - 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 snapAngle = 4; // degrees + var snapValue = Math.sin(snapAngle / 360 * 2 * Math.PI); - 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); - } - } - } + // snap horizontally to nice angles at 0pi, 0.5pi, 1pi, 1.5pi, etc... + // the -0.001 is to take care that the vertical axis is always drawn at the left front corner + if (Math.abs(Math.sin(horizontalNew)) < snapValue) { + horizontalNew = Math.round((horizontalNew / Math.PI)) * Math.PI - 0.001; + } + if (Math.abs(Math.cos(horizontalNew)) < snapValue) { + horizontalNew = (Math.round((horizontalNew/ Math.PI - 0.5)) + 0.5) * Math.PI - 0.001; + } - return next(); + // snap vertically to nice angles + if (Math.abs(Math.sin(verticalNew)) < snapValue) { + verticalNew = Math.round((verticalNew / Math.PI)) * Math.PI; } - 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); - } + if (Math.abs(Math.cos(verticalNew)) < snapValue) { + verticalNew = (Math.round((verticalNew/ Math.PI - 0.5)) + 0.5) * Math.PI; } + + this.camera.setArmRotation(horizontalNew, verticalNew); + this.redraw(); + + // fire a cameraPositionChange event + var parameters = this.getCameraPosition(); + this.emit('cameraPositionChange', parameters); + + util.preventDefault(event); }; + /** - * Stop an animation - * @private + * Stop moving operating. + * This function activated from within the funcion Graph.mouseDown(). + * @param {event} event The event */ - Range.prototype._cancelAnimation = function () { - if (this.animateTimer) { - clearTimeout(this.animateTimer); - this.animateTimer = null; - } + 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); }; /** - * 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 + * 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 */ - Range.prototype._applyRange = function(start, end) { - var newStart = (start != null) ? util.convert(start, 'Date').valueOf() : this.start, - newEnd = (end != null) ? util.convert(end, 'Date').valueOf() : this.end, - max = (this.options.max != null) ? util.convert(this.options.max, 'Date').valueOf() : null, - min = (this.options.min != null) ? util.convert(this.options.min, 'Date').valueOf() : null, - diff; + Graph3d.prototype._onTooltip = function (event) { + var delay = 300; // ms + var mouseX = getMouseX(event) - util.getAbsoluteLeft(this.frame); + var mouseY = getMouseY(event) - util.getAbsoluteTop(this.frame); - // 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 + '"'); + if (!this.showTooltip) { + return; } - // prevent start < end - if (newEnd < newStart) { - newEnd = newStart; + if (this.tooltipTimeout) { + clearTimeout(this.tooltipTimeout); } - // prevent start < min - if (min !== null) { - if (newStart < min) { - diff = (min - newStart); - newStart += diff; - newEnd += diff; + // (delayed) display of a tooltip only if no mouse button is down + if (this.leftButtonDown) { + this._hideTooltip(); + return; + } - // prevent end > max - if (max != null) { - if (newEnd > max) { - newEnd = max; - } - } - } - } - - // 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; - } - } - } - } - - // 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 (this.tooltip && this.tooltip.dataPoint) { + // tooltip is currently visible + var dataPoint = this._dataPointFromXY(mouseX, mouseY); + if (dataPoint !== this.tooltip.dataPoint) { + // datapoint changed + if (dataPoint) { + this._showTooltip(dataPoint); + } + else { + this._hideTooltip(); } } } + else { + // tooltip is currently not visible + var me = this; + this.tooltipTimeout = setTimeout(function () { + me.tooltipTimeout = null; - // 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; + // show a tooltip if we have a data point + var dataPoint = me._dataPointFromXY(mouseX, mouseY); + if (dataPoint) { + me._showTooltip(dataPoint); } - } + }, delay); } - - var changed = (this.start != newStart || this.end != newEnd); - - this.start = newStart; - this.end = newEnd; - return changed; }; /** - * Retrieve the current range. - * @return {Object} An object with start and end properties + * Event handler for touchstart event on mobile devices */ - Range.prototype.getRange = function() { - return { - start: this.start, - end: this.end - }; - }; + Graph3d.prototype._onTouchStart = function(event) { + this.touchDown = true; - /** - * Calculate the conversion offset and scale for current range, based on - * the provided width - * @param {Number} width - * @returns {{offset: number, scale: number}} conversion - */ - Range.prototype.conversion = function (width, totalHidden) { - return Range.conversion(this.start, this.end, width, totalHidden); - }; + 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); - /** - * Static method to calculate the conversion offset and scale for a range, - * based on the provided start, end, and width - * @param {Number} start - * @param {Number} end - * @param {Number} width - * @returns {{offset: number, scale: number}} conversion - */ - Range.conversion = function (start, end, width, totalHidden) { - if (totalHidden === undefined) { - totalHidden = 0; - } - if (width != 0 && (end - start != 0)) { - return { - offset: start, - scale: width / (end - start - totalHidden) - } - } - else { - return { - offset: 0, - scale: 1 - }; - } + this._onMouseDown(event); }; /** - * Start dragging horizontally or vertically - * @param {Event} event - * @private + * Event handler for touchmove event on mobile devices */ - Range.prototype._onDragStart = function(event) { - this.deltaDifference = 0; - this.previousDelta = 0; - // 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.start = this.start; - this.props.touch.end = this.end; - this.props.touch.dragging = true; - - if (this.body.dom.root) { - this.body.dom.root.style.cursor = 'move'; - } + Graph3d.prototype._onTouchMove = function(event) { + this._onMouseMove(event); }; /** - * Perform dragging operation - * @param {Event} event - * @private + * Event handler for touchend event on mobile devices */ - 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); - - var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY; - delta -= this.deltaDifference; - var interval = (this.props.touch.end - this.props.touch.start); - - // normalize dragging speed if cutout is in between. - var duration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - interval -= duration; - - 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; - - - // 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; - } + Graph3d.prototype._onTouchEnd = function(event) { + this.touchDown = false; - this.previousDelta = delta; - this._applyRange(newStart, newEnd); + util.removeEventListener(document, 'touchmove', this.ontouchmove); + util.removeEventListener(document, 'touchend', this.ontouchend); - // fire a rangechange event - this.body.emitter.emit('rangechange', { - start: new Date(this.start), - end: new Date(this.end) - }); + this._onMouseUp(event); }; - /** - * Stop dragging operation - * @param {event} event - * @private - */ - 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) - }); - }; /** - * Event handler for mouse wheel event, used to zoom + * Event handler for mouse wheel event, used to zoom the graph * Code from http://adomas.org/javascript-mouse-wheel/ - * @param {Event} event - * @private + * @param {event} event The event */ - Range.prototype._onMouseWheel = function(event) { - // only allow zooming when configured as zoomable and moveable - if (!(this.options.zoomable && this.options.moveable)) return; + Graph3d.prototype._onWheel = function(event) { + if (!event) /* For IE. */ + event = window.event; // retrieve delta var delta = 0; if (event.wheelDelta) { /* IE/Opera. */ - delta = event.wheelDelta / 120; + 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; + 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)) ; - } + var oldLength = this.camera.getArmLength(); + var newLength = oldLength * (1 - delta / 10); - // 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.camera.setArmLength(newLength); + this.redraw(); - this.zoom(scale, pointerDate, delta); + this._hideTooltip(); } - // Prevent default actions caused by mouse wheel - // (else the page and timeline both zoom and scroll) - event.preventDefault(); + // 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); }; /** - * Start of a touch gesture + * 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 */ - Range.prototype._onTouch = function (event) { - this.props.touch.start = this.start; - this.props.touch.end = this.end; - this.props.touch.allowDragging = true; - this.props.touch.center = null; - this.scaleOffset = 0; - this.deltaDifference = 0; + Graph3d.prototype._insideTriangle = function (point, triangle) { + var a = triangle[0], + b = triangle[1], + c = triangle[2]; + + function sign (x) { + return x > 0 ? 1 : x < 0 ? -1 : 0; + } + + var as = sign((b.x - a.x) * (point.y - a.y) - (b.y - a.y) * (point.x - a.x)); + var bs = sign((c.x - b.x) * (point.y - b.y) - (c.y - b.y) * (point.x - b.x)); + var cs = sign((a.x - c.x) * (point.y - c.y) - (a.y - c.y) * (point.x - c.x)); + + // each of the three signs must be either equal to each other or zero + return (as == 0 || bs == 0 || as == bs) && + (bs == 0 || cs == 0 || bs == cs) && + (as == 0 || cs == 0 || as == cs); }; /** - * On start of a hold gesture + * 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 */ - Range.prototype._onHold = function () { - this.props.touch.allowDragging = false; + Graph3d.prototype._dataPointFromXY = function (x, y) { + var i, + distMax = 100, // px + dataPoint = null, + closestDataPoint = null, + closestDist = null, + center = new Point2d(x, y); + + if (this.style === Graph3d.STYLE.BAR || + this.style === Graph3d.STYLE.BARCOLOR || + this.style === Graph3d.STYLE.BARSIZE) { + // the data points are ordered from far away to closest + for (i = this.dataPoints.length - 1; i >= 0; i--) { + dataPoint = this.dataPoints[i]; + var surfaces = dataPoint.surfaces; + if (surfaces) { + for (var s = surfaces.length - 1; s >= 0; s--) { + // split each surface in two triangles, and see if the center point is inside one of these + var surface = surfaces[s]; + var corners = surface.corners; + var triangle1 = [corners[0].screen, corners[1].screen, corners[2].screen]; + var triangle2 = [corners[2].screen, corners[3].screen, corners[0].screen]; + if (this._insideTriangle(center, triangle1) || + this._insideTriangle(center, triangle2)) { + // return immediately at the first hit + return dataPoint; + } + } + } + } + } + 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; + } + } + } + } + + + return closestDataPoint; }; /** - * Handle pinch event - * @param {Event} event + * Display a tooltip for given data point + * @param {Object} dataPoint * @private */ - Range.prototype._onPinch = function (event) { - // only allow zooming when configured as zoomable and moveable - if (!(this.options.zoomable && this.options.moveable)) return; + Graph3d.prototype._showTooltip = function (dataPoint) { + var content, line, dot; - this.props.touch.allowDragging = false; + 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)'; - if (event.gesture.touches.length > 1) { - if (!this.props.touch.center) { - this.props.touch.center = getPointer(event.gesture.center, this.body.dom.center); - } + line = document.createElement('div'); + line.style.position = 'absolute'; + line.style.height = '40px'; + line.style.width = '0'; + line.style.borderLeft = '1px solid #4d4d4d'; - var scale = 1 / (event.gesture.scale + this.scaleOffset); - var center = this._pointerToDate(this.props.touch.center); + 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'; - var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); - var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + this.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; + } - // calculate new start and end - var newStart = (center-hiddenDurationBefore) + (this.start - (center-hiddenDurationBefore)) * scale; - var newEnd = (center+hiddenDurationAfter) + (this.end - (center+hiddenDurationAfter)) * scale; + this._hideTooltip(); - // snapping times away from hidden zones - this.startToFront = 1 - scale > 0 ? false : true; // used to do the right autocorrection with periodic hidden times - this.endToFront = scale - 1 > 0 ? false : true; // used to do the right autocorrection with periodic hidden times + this.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 + '
'; + } - 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; - } + content.style.left = '0'; + content.style.top = '0'; + this.frame.appendChild(content); + this.frame.appendChild(line); + this.frame.appendChild(dot); - this.setRange(newStart, newEnd); + // calculate sizes + var contentWidth = content.offsetWidth; + var contentHeight = content.offsetHeight; + var lineHeight = line.offsetHeight; + var dotWidth = dot.offsetWidth; + var dotHeight = dot.offsetHeight; - this.startToFront = false; // revert to default - this.endToFront = true; // revert to default - } + var left = dataPoint.screen.x - contentWidth / 2; + left = Math.min(Math.max(left, 10), this.frame.clientWidth - 10 - contentWidth); + + line.style.left = dataPoint.screen.x + 'px'; + line.style.top = (dataPoint.screen.y - lineHeight) + 'px'; + content.style.left = left + 'px'; + content.style.top = (dataPoint.screen.y - lineHeight - contentHeight) + 'px'; + dot.style.left = (dataPoint.screen.x - dotWidth / 2) + 'px'; + dot.style.top = (dataPoint.screen.y - dotHeight / 2) + 'px'; }; /** - * Helper function to calculate the center date for zooming - * @param {{x: Number, y: Number}} pointer - * @return {number} date + * Hide the tooltip when displayed * @private */ - Range.prototype._pointerToDate = function (pointer) { - var conversion; - var direction = this.options.direction; - - validateDirection(direction); + Graph3d.prototype._hideTooltip = function () { + if (this.tooltip) { + this.tooltip.dataPoint = null; - 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; + 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); + } + } + } } }; + /**--------------------------------------------------------------------------**/ + + /** - * 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 + * Get the horizontal mouse position from a mouse event + * @param {Event} event + * @return {Number} mouse x */ - function getPointer (touch, element) { - return { - x: touch.pageX - util.getAbsoluteLeft(element), - y: touch.pageY - util.getAbsoluteTop(element) - }; - } + getMouseX = function(event) { + if ('clientX' in event) return event.clientX; + return event.targetTouches[0] && event.targetTouches[0].clientX || 0; + }; /** - * 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. + * Get the vertical mouse position from a mouse event + * @param {Event} event + * @return {Number} mouse y */ - 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; - } + getMouseY = function(event) { + if ('clientY' in event) return event.clientY; + return event.targetTouches[0] && event.targetTouches[0].clientY || 0; + }; - var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); - var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); - var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; + module.exports = Graph3d; - // 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; +/***/ }, +/* 11 */ +/***/ function(module, exports, __webpack_require__) { + + + /** + * Expose `Emitter`. + */ + + module.exports = Emitter; + + /** + * Initialize a new `Emitter`. + * + * @api public + */ + + function Emitter(obj) { + if (obj) return mixin(obj); + }; + + /** + * Mixin the emitter properties. + * + * @param {Object} obj + * @return {Object} + * @api private + */ + + function mixin(obj) { + for (var key in Emitter.prototype) { + obj[key] = Emitter.prototype[key]; } + return obj; + } - this.setRange(newStart, newEnd); + /** + * Listen on the given `event` with `fn`. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ - this.startToFront = false; // revert to default - this.endToFront = true; // revert to default + Emitter.prototype.on = + Emitter.prototype.addEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; + (this._callbacks[event] = this._callbacks[event] || []) + .push(fn); + return this; }; + /** + * Adds an `event` listener that will be invoked a single + * time then automatically removed. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + + Emitter.prototype.once = function(event, fn){ + var self = this; + this._callbacks = this._callbacks || {}; + + function on() { + self.off(event, on); + fn.apply(this, arguments); + } + on.fn = fn; + this.on(event, on); + return this; + }; /** - * 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 + * Remove the given callback for `event` or all + * registered callbacks. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public */ - 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; + Emitter.prototype.off = + Emitter.prototype.removeListener = + Emitter.prototype.removeAllListeners = + Emitter.prototype.removeEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; - // TODO: reckon with min and max range + // all + if (0 == arguments.length) { + this._callbacks = {}; + return this; + } - this.start = newStart; - this.end = newEnd; + // specific event + var callbacks = this._callbacks[event]; + if (!callbacks) return this; + + // remove all handlers + if (1 == arguments.length) { + delete this._callbacks[event]; + return this; + } + + // 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; }; /** - * Move the range to a new center point - * @param {Number} moveTo New center point of the range + * Emit `event` with the given args. + * + * @param {String} event + * @param {Mixed} ... + * @return {Emitter} */ - Range.prototype.moveTo = function(moveTo) { - var center = (this.start + this.end) / 2; - var diff = center - moveTo; + Emitter.prototype.emit = function(event){ + this._callbacks = this._callbacks || {}; + var args = [].slice.call(arguments, 1) + , callbacks = this._callbacks[event]; - // calculate new start and end - var newStart = this.start - diff; - var newEnd = this.end - diff; + if (callbacks) { + callbacks = callbacks.slice(0); + for (var i = 0, len = callbacks.length; i < len; ++i) { + callbacks[i].apply(this, args); + } + } - this.setRange(newStart, newEnd); + return this; }; - module.exports = Range; + /** + * Return array of callbacks for `event`. + * + * @param {String} event + * @return {Array} + * @api public + */ + + Emitter.prototype.listeners = function(event){ + this._callbacks = this._callbacks || {}; + return this._callbacks[event] || []; + }; + + /** + * Check if this emitter has `event` handlers. + * + * @param {String} event + * @return {Boolean} + * @api public + */ + + Emitter.prototype.hasListeners = function(event){ + return !! this.listeners(event).length; + }; /***/ }, -/* 18 */ +/* 12 */ /***/ 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 + * @prototype Point3d + * @param {Number} [x] + * @param {Number} [y] + * @param {Number} [z] */ - exports.orderByStart = function(items) { - items.sort(function (a, b) { - return a.data.start - b.data.start; - }); + function Point3d(x, y, z) { + this.x = x !== undefined ? x : 0; + this.y = y !== undefined ? y : 0; + this.z = z !== undefined ? z : 0; }; /** - * Order items by their end date. If they have no end date, their start date - * is used. - * @param {Item[]} items + * Subtract the two provided points, returns a-b + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} a-b */ - 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; - }); + 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; }; /** - * 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 + * Add the two provided points, returns a+b + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} a+b */ - exports.stack = function(items, margin, force) { - var i, iMax; + 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; + }; - if (force) { - // reset top position of all items - for (i = 0, iMax = items.length; i < iMax; i++) { - items[i].top = null; - } - } + /** + * Calculate the average of two 3d points + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} The average, (a+b)/2 + */ + Point3d.avg = function(a, b) { + return new Point3d( + (a.x + b.x) / 2, + (a.y + b.y) / 2, + (a.z + b.z) / 2 + ); + }; - // 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; + /** + * Calculate the cross product of the two provided points, returns axb + * Documentation: http://en.wikipedia.org/wiki/Cross_product + * @param {Point3d} a + * @param {Point3d} b + * @return {Point3d} cross product axb + */ + Point3d.crossProduct = function(a, b) { + var crossproduct = new Point3d(); - 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; - } - } + crossproduct.x = a.y * b.z - a.z * b.y; + crossproduct.y = a.z * b.x - a.x * b.z; + crossproduct.z = a.x * b.y - a.y * b.x; - if (collidingItem != null) { - // There is a collision. Reposition the items above the colliding element - item.top = collidingItem.top + collidingItem.height + margin.item.vertical; - } - } while (collidingItem); - } - } + return crossproduct; }; /** - * 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. + * Rtrieve the length of the vector (or the distance from this point to the origin + * @return {Number} length */ - 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; - } - } + Point3d.prototype.length = function() { + return Math.sqrt( + this.x * this.x + + this.y * this.y + + this.z * this.z + ); }; + module.exports = Point3d; + + +/***/ }, +/* 13 */ +/***/ function(module, exports, __webpack_require__) { + /** - * 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 + * @prototype Point2d + * @param {Number} [x] + * @param {Number} [y] */ - 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); + Point2d = function (x, y) { + this.x = x !== undefined ? x : 0; + this.y = y !== undefined ? y : 0; }; + module.exports = Point2d; + /***/ }, -/* 19 */ +/* 14 */ /***/ function(module, exports, __webpack_require__) { - var moment = __webpack_require__(44); - var DateUtil = __webpack_require__(15); + var Point3d = __webpack_require__(12); /** - * @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 + * @class Camera + * The camera is mounted on a (virtual) camera arm. The camera arm can rotate + * The camera is always looking in the direction of the origin of the arm. + * This way, the camera always rotates around one fixed point, the location + * of the camera arm. * - * @param {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 + * Documentation: + * http://en.wikipedia.org/wiki/3D_projection */ - function TimeStep(start, end, minimumStep, hiddenDates) { - // variables - this.current = new Date(); - this._start = new Date(); - this._end = new Date(); + Camera = function () { + this.armLocation = new Point3d(); + this.armRotation = {}; + this.armRotation.horizontal = 0; + this.armRotation.vertical = 0; + this.armLength = 1.7; - this.autoScale = true; - this.scale = TimeStep.SCALE.DAY; - this.step = 1; + this.cameraLocation = new Point3d(); + this.cameraRotation = new Point3d(0.5*Math.PI, 0, 0); - // initialize the range - this.setRange(start, end, minimumStep); + this.calculateCameraOrientation(); + }; - // hidden Dates options - this.switchedDay = false; - this.switchedMonth = false; - this.switchedYear = false; - this.hiddenDates = hiddenDates; - if (hiddenDates === undefined) { - this.hiddenDates = []; - } - } + /** + * 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; - /// enum scale - TimeStep.SCALE = { - MILLISECOND: 1, - SECOND: 2, - MINUTE: 3, - HOUR: 4, - DAY: 5, - WEEKDAY: 6, - MONTH: 7, - YEAR: 8 + this.calculateCameraOrientation(); }; - /** - * 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 + * 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. */ - TimeStep.prototype.setRange = function(start, end, minimumStep) { - if (!(start instanceof Date) || !(end instanceof Date)) { - throw "No legal start or end date in method setRange"; + Camera.prototype.setArmRotation = function(horizontal, vertical) { + if (horizontal !== undefined) { + this.armRotation.horizontal = horizontal; } - this._start = (start != undefined) ? new Date(start.valueOf()) : new Date(); - this._end = (end != undefined) ? new Date(end.valueOf()) : new Date(); + 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; + } - if (this.autoScale) { - this.setMinimumStep(minimumStep); + if (horizontal !== undefined || vertical !== undefined) { + this.calculateCameraOrientation(); } }; /** - * Set the range iterator to the start date. + * Retrieve the current arm rotation + * @return {object} An object with parameters horizontal and vertical */ - TimeStep.prototype.first = function() { - this.current = new Date(this._start.valueOf()); - this.roundToMinor(); + Camera.prototype.getArmRotation = function() { + var rot = {}; + rot.horizontal = this.armRotation.horizontal; + rot.vertical = this.armRotation.vertical; + + return rot; }; /** - * Round the current date to the first minor date value - * This must be executed once when the current date is set to start Date + * Set the (normalized) length of the camera arm. + * @param {Number} length A length between 0.71 and 5.0 */ - TimeStep.prototype.roundToMinor = function() { - // round to floor - // IMPORTANT: we have no breaks in this switch! (this is no bug) - //noinspection FallthroughInSwitchStatementJS - switch (this.scale) { - case TimeStep.SCALE.YEAR: - this.current.setFullYear(this.step * Math.floor(this.current.getFullYear() / this.step)); - this.current.setMonth(0); - case TimeStep.SCALE.MONTH: this.current.setDate(1); - case TimeStep.SCALE.DAY: // intentional fall through - case TimeStep.SCALE.WEEKDAY: this.current.setHours(0); - case TimeStep.SCALE.HOUR: this.current.setMinutes(0); - case TimeStep.SCALE.MINUTE: this.current.setSeconds(0); - case TimeStep.SCALE.SECOND: this.current.setMilliseconds(0); - //case TimeStep.SCALE.MILLISECOND: // nothing to do for milliseconds - } + Camera.prototype.setArmLength = function(length) { + if (length === undefined) + return; - if (this.step != 1) { - // round down to the first minor value that is a multiple of the current step size - switch (this.scale) { - case TimeStep.SCALE.MILLISECOND: this.current.setMilliseconds(this.current.getMilliseconds() - this.current.getMilliseconds() % this.step); break; - case TimeStep.SCALE.SECOND: this.current.setSeconds(this.current.getSeconds() - this.current.getSeconds() % this.step); break; - case TimeStep.SCALE.MINUTE: this.current.setMinutes(this.current.getMinutes() - this.current.getMinutes() % this.step); break; - case TimeStep.SCALE.HOUR: this.current.setHours(this.current.getHours() - this.current.getHours() % this.step); break; - case TimeStep.SCALE.WEEKDAY: // intentional fall through - case TimeStep.SCALE.DAY: this.current.setDate((this.current.getDate()-1) - (this.current.getDate()-1) % this.step + 1); break; - case TimeStep.SCALE.MONTH: this.current.setMonth(this.current.getMonth() - this.current.getMonth() % this.step); break; - case TimeStep.SCALE.YEAR: this.current.setFullYear(this.current.getFullYear() - this.current.getFullYear() % this.step); break; - default: break; - } - } + this.armLength = length; + + // 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(); }; /** - * Check if the there is a next step - * @return {boolean} true if the current date has not passed the end date + * Retrieve the arm length + * @return {Number} length */ - TimeStep.prototype.hasNext = function () { - return (this.current.valueOf() <= this._end.valueOf()); + Camera.prototype.getArmLength = function() { + return this.armLength; }; /** - * Do the next step + * Retrieve the camera location + * @return {Point3d} cameraLocation */ - 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 TimeStep.SCALE.MILLISECOND: - - this.current = new Date(this.current.valueOf() + this.step); break; - case TimeStep.SCALE.SECOND: this.current = new Date(this.current.valueOf() + this.step * 1000); break; - case TimeStep.SCALE.MINUTE: this.current = new Date(this.current.valueOf() + this.step * 1000 * 60); break; - case TimeStep.SCALE.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 TimeStep.SCALE.WEEKDAY: // intentional fall through - case TimeStep.SCALE.DAY: this.current.setDate(this.current.getDate() + this.step); break; - case TimeStep.SCALE.MONTH: this.current.setMonth(this.current.getMonth() + this.step); break; - case TimeStep.SCALE.YEAR: this.current.setFullYear(this.current.getFullYear() + this.step); break; - default: break; - } - } - else { - switch (this.scale) { - case TimeStep.SCALE.MILLISECOND: this.current = new Date(this.current.valueOf() + this.step); break; - case TimeStep.SCALE.SECOND: this.current.setSeconds(this.current.getSeconds() + this.step); break; - case TimeStep.SCALE.MINUTE: this.current.setMinutes(this.current.getMinutes() + this.step); break; - case TimeStep.SCALE.HOUR: this.current.setHours(this.current.getHours() + this.step); break; - case TimeStep.SCALE.WEEKDAY: // intentional fall through - case TimeStep.SCALE.DAY: this.current.setDate(this.current.getDate() + this.step); break; - case TimeStep.SCALE.MONTH: this.current.setMonth(this.current.getMonth() + this.step); break; - case TimeStep.SCALE.YEAR: this.current.setFullYear(this.current.getFullYear() + this.step); break; - default: break; - } - } - - if (this.step != 1) { - // round down to the correct major value - switch (this.scale) { - case TimeStep.SCALE.MILLISECOND: if(this.current.getMilliseconds() < this.step) this.current.setMilliseconds(0); break; - case TimeStep.SCALE.SECOND: if(this.current.getSeconds() < this.step) this.current.setSeconds(0); break; - case TimeStep.SCALE.MINUTE: if(this.current.getMinutes() < this.step) this.current.setMinutes(0); break; - case TimeStep.SCALE.HOUR: if(this.current.getHours() < this.step) this.current.setHours(0); break; - case TimeStep.SCALE.WEEKDAY: // intentional fall through - case TimeStep.SCALE.DAY: if(this.current.getDate() < this.step+1) this.current.setDate(1); break; - case TimeStep.SCALE.MONTH: if(this.current.getMonth() < this.step) this.current.setMonth(0); break; - case TimeStep.SCALE.YEAR: break; // nothing to do for year - default: break; - } - } - - // safety mechanism: if current time is still unchanged, move to the end - if (this.current.valueOf() == prev) { - this.current = new Date(this._end.valueOf()); - } - - DateUtil.stepOverHiddenDates(this, prev); + Camera.prototype.getCameraLocation = function() { + return this.cameraLocation; }; - /** - * Get the current datetime - * @return {Date} current The current date + * Retrieve the camera rotation + * @return {Point3d} cameraRotation */ - TimeStep.prototype.getCurrent = function() { - return this.current; + Camera.prototype.getCameraRotation = function() { + return this.cameraRotation; }; /** - * 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 {TimeStep.SCALE} newScale - * A scale. Choose from SCALE.MILLISECOND, - * SCALE.SECOND, SCALE.MINUTE, SCALE.HOUR, - * SCALE.WEEKDAY, SCALE.DAY, SCALE.MONTH, - * SCALE.YEAR. - * @param {Number} newStep A step size, by default 1. Choose for - * example 1, 2, 5, or 10. + * Calculate the location and rotation of the camera based on the + * position and orientation of the camera arm */ - TimeStep.prototype.setScale = function(newScale, newStep) { - this.scale = newScale; - - if (newStep > 0) { - this.step = newStep; - } + 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); - this.autoScale = false; + // calculate rotation of the camera + this.cameraRotation.x = Math.PI/2 - this.armRotation.vertical; + this.cameraRotation.y = 0; + this.cameraRotation.z = -this.armRotation.horizontal; }; - /** - * Enable or disable autoscaling - * @param {boolean} enable If true, autoascaling is set true - */ - TimeStep.prototype.setAutoScale = function (enable) { - this.autoScale = enable; - }; + module.exports = Camera; + +/***/ }, +/* 15 */ +/***/ function(module, exports, __webpack_require__) { + var DataView = __webpack_require__(9); /** - * Automatically determine the scale that bests fits the provided minimum step - * @param {Number} [minimumStep] The minimum step size in milliseconds + * @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 */ - TimeStep.prototype.setMinimumStep = function(minimumStep) { - if (minimumStep == undefined) { - return; - } - - //var b = asc + ds; + function Filter (data, column, graph) { + this.data = data; + this.column = column; + this.graph = graph; // the parent graph - 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); + this.index = undefined; + this.value = undefined; - // find the smallest step that is larger than the provided minimumStep - if (stepYear*1000 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 1000;} - if (stepYear*500 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 500;} - if (stepYear*100 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 100;} - if (stepYear*50 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 50;} - if (stepYear*10 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 10;} - if (stepYear*5 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 5;} - if (stepYear > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 1;} - if (stepMonth*3 > minimumStep) {this.scale = TimeStep.SCALE.MONTH; this.step = 3;} - if (stepMonth > minimumStep) {this.scale = TimeStep.SCALE.MONTH; this.step = 1;} - if (stepDay*5 > minimumStep) {this.scale = TimeStep.SCALE.DAY; this.step = 5;} - if (stepDay*2 > minimumStep) {this.scale = TimeStep.SCALE.DAY; this.step = 2;} - if (stepDay > minimumStep) {this.scale = TimeStep.SCALE.DAY; this.step = 1;} - if (stepDay/2 > minimumStep) {this.scale = TimeStep.SCALE.WEEKDAY; this.step = 1;} - if (stepHour*4 > minimumStep) {this.scale = TimeStep.SCALE.HOUR; this.step = 4;} - if (stepHour > minimumStep) {this.scale = TimeStep.SCALE.HOUR; this.step = 1;} - if (stepMinute*15 > minimumStep) {this.scale = TimeStep.SCALE.MINUTE; this.step = 15;} - if (stepMinute*10 > minimumStep) {this.scale = TimeStep.SCALE.MINUTE; this.step = 10;} - if (stepMinute*5 > minimumStep) {this.scale = TimeStep.SCALE.MINUTE; this.step = 5;} - if (stepMinute > minimumStep) {this.scale = TimeStep.SCALE.MINUTE; this.step = 1;} - if (stepSecond*15 > minimumStep) {this.scale = TimeStep.SCALE.SECOND; this.step = 15;} - if (stepSecond*10 > minimumStep) {this.scale = TimeStep.SCALE.SECOND; this.step = 10;} - if (stepSecond*5 > minimumStep) {this.scale = TimeStep.SCALE.SECOND; this.step = 5;} - if (stepSecond > minimumStep) {this.scale = TimeStep.SCALE.SECOND; this.step = 1;} - if (stepMillisecond*200 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 200;} - if (stepMillisecond*100 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 100;} - if (stepMillisecond*50 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 50;} - if (stepMillisecond*10 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 10;} - if (stepMillisecond*5 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 5;} - if (stepMillisecond > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 1;} - }; + // read all distinct values and select the first one + this.values = graph.getDistinctValues(data.get(), this.column); - /** - * 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()); + // sort both numeric and string values correctly + this.values.sort(function (a, b) { + return a > b ? 1 : a < b ? -1 : 0; + }); - if (this.scale == TimeStep.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); + if (this.values.length > 0) { + this.selectValue(0); } - else if (this.scale == TimeStep.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); - } - clone.setHours(0); - clone.setMinutes(0); - clone.setSeconds(0); - clone.setMilliseconds(0); - } - else if (this.scale == TimeStep.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 == TimeStep.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 == TimeStep.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 == TimeStep.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 == TimeStep.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; - } + // create an array with the filtered datapoints. this will be loaded afterwards + this.dataPoints = []; + + this.loaded = false; + this.onLoadCallback = undefined; + + if (graph.animationPreload) { + this.loaded = false; + this.loadInBackground(); } - else if (this.scale == TimeStep.SCALE.MILLISECOND) { - var step = this.step > 5 ? this.step / 2 : 1; - clone.setMilliseconds(Math.round(clone.getMilliseconds() / step) * step); + else { + this.loaded = true; } - - 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. + * Return the label + * @return {string} label */ - TimeStep.prototype.isMajor = function() { - if (this.switchedYear == true) { - this.switchedYear = false; - switch (this.scale) { - case TimeStep.SCALE.YEAR: - case TimeStep.SCALE.MONTH: - case TimeStep.SCALE.WEEKDAY: - case TimeStep.SCALE.DAY: - case TimeStep.SCALE.HOUR: - case TimeStep.SCALE.MINUTE: - case TimeStep.SCALE.SECOND: - case TimeStep.SCALE.MILLISECOND: - return true; - default: - return false; - } - } - else if (this.switchedMonth == true) { - this.switchedMonth = false; - switch (this.scale) { - case TimeStep.SCALE.WEEKDAY: - case TimeStep.SCALE.DAY: - case TimeStep.SCALE.HOUR: - case TimeStep.SCALE.MINUTE: - case TimeStep.SCALE.SECOND: - case TimeStep.SCALE.MILLISECOND: - return true; - default: - return false; - } - } - else if (this.switchedDay == true) { - this.switchedDay = false; - switch (this.scale) { - case TimeStep.SCALE.MILLISECOND: - case TimeStep.SCALE.SECOND: - case TimeStep.SCALE.MINUTE: - case TimeStep.SCALE.HOUR: - return true; - default: - return false; - } - } - - switch (this.scale) { - case TimeStep.SCALE.MILLISECOND: - return (this.current.getMilliseconds() == 0); - case TimeStep.SCALE.SECOND: - return (this.current.getSeconds() == 0); - case TimeStep.SCALE.MINUTE: - return (this.current.getHours() == 0) && (this.current.getMinutes() == 0); - case TimeStep.SCALE.HOUR: - return (this.current.getHours() == 0); - case TimeStep.SCALE.WEEKDAY: // intentional fall through - case TimeStep.SCALE.DAY: - return (this.current.getDate() == 1); - case TimeStep.SCALE.MONTH: - return (this.current.getMonth() == 0); - case TimeStep.SCALE.YEAR: - return false; - default: - return false; - } + Filter.prototype.isLoaded = function() { + return this.loaded; }; /** - * 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 + * Return the loaded progress + * @return {Number} percentage between 0 and 100 */ - TimeStep.prototype.getLabelMinor = function(date) { - if (date == undefined) { - date = this.current; - } + Filter.prototype.getLoadedProgress = function() { + var len = this.values.length; - switch (this.scale) { - case TimeStep.SCALE.MILLISECOND: return moment(date).format('SSS'); - case TimeStep.SCALE.SECOND: return moment(date).format('s'); - case TimeStep.SCALE.MINUTE: return moment(date).format('HH:mm'); - case TimeStep.SCALE.HOUR: return moment(date).format('HH:mm'); - case TimeStep.SCALE.WEEKDAY: return moment(date).format('ddd D'); - case TimeStep.SCALE.DAY: return moment(date).format('D'); - case TimeStep.SCALE.MONTH: return moment(date).format('MMM'); - case TimeStep.SCALE.YEAR: return moment(date).format('YYYY'); - default: return ''; + var i = 0; + while (this.dataPoints[i]) { + i++; } + + return Math.round(i / len * 100); }; /** - * 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 + * Return the label + * @return {string} label */ - TimeStep.prototype.getLabelMajor = function(date) { - if (date == undefined) { - date = this.current; - } - - //noinspection FallthroughInSwitchStatementJS - switch (this.scale) { - case TimeStep.SCALE.MILLISECOND:return moment(date).format('HH:mm:ss'); - case TimeStep.SCALE.SECOND: return moment(date).format('D MMMM HH:mm'); - case TimeStep.SCALE.MINUTE: - case TimeStep.SCALE.HOUR: return moment(date).format('ddd D MMMM'); - case TimeStep.SCALE.WEEKDAY: - case TimeStep.SCALE.DAY: return moment(date).format('MMMM YYYY'); - case TimeStep.SCALE.MONTH: return moment(date).format('YYYY'); - case TimeStep.SCALE.YEAR: return ''; - default: return ''; - } + Filter.prototype.getLabel = function() { + return this.graph.filterLabel; }; - module.exports = TimeStep; - - -/***/ }, -/* 20 */ -/***/ function(module, exports, __webpack_require__) { /** - * Prototype for visual components - * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body] - * @param {Object} [options] + * Return the columnIndex of the filter + * @return {Number} columnIndex */ - function Component (body, options) { - this.options = null; - this.props = null; - } + Filter.prototype.getColumn = function() { + return this.column; + }; /** - * Set options for the component. The new options will be merged into the - * current options. - * @param {Object} options + * Return the currently selected value. Returns undefined if there is no selection + * @return {*} value */ - Component.prototype.setOptions = function(options) { - if (options) { - util.extend(this.options, options); - } + Filter.prototype.getSelectedValue = function() { + if (this.index === undefined) + return undefined; + + return this.values[this.index]; }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Retrieve all values of the filter + * @return {Array} values */ - Component.prototype.redraw = function() { - // should be implemented by the component - return false; + Filter.prototype.getValues = function() { + return this.values; }; /** - * Destroy the component. Cleanup DOM and event listeners + * Retrieve one value of the filter + * @param {Number} index + * @return {*} value */ - Component.prototype.destroy = function() { - // should be implemented by the component + Filter.prototype.getValue = function(index) { + if (index >= this.values.length) + throw 'Error: index out of range'; + + return this.values[index]; }; + /** - * Test whether the component is resized since the last time _isResized() was - * called. - * @return {Boolean} Returns true if the component is resized - * @protected + * Retrieve the (filtered) dataPoints for the currently selected filter index + * @param {Number} [index] (optional) + * @return {Array} dataPoints */ - Component.prototype._isResized = function() { - var resized = (this.props._previousWidth !== this.props.width || - this.props._previousHeight !== this.props.height); - - this.props._previousWidth = this.props.width; - this.props._previousHeight = this.props.height; - - return resized; - }; - - module.exports = Component; - - -/***/ }, -/* 21 */ -/***/ function(module, exports, __webpack_require__) { + Filter.prototype._getDataPoints = function(index) { + if (index === undefined) + index = this.index; - var util = __webpack_require__(1); - var Component = __webpack_require__(20); - var moment = __webpack_require__(44); - var locales = __webpack_require__(48); + if (index === undefined) + return []; - /** - * A current time bar - * @param {{range: Range, dom: Object, domProps: Object}} body - * @param {Object} [options] Available parameters: - * {Boolean} [showCurrentTime] - * @constructor CurrentTime - * @extends Component - */ - function CurrentTime (body, options) { - this.body = body; + var dataPoints; + if (this.dataPoints[index]) { + dataPoints = this.dataPoints[index]; + } + else { + var f = {}; + f.column = this.column; + f.value = this.values[index]; - // default options - this.defaultOptions = { - showCurrentTime: true, + var dataView = new DataView(this.data,{filter: function (item) {return (item[f.column] == f.value);}}).get(); + dataPoints = this.graph._getDataPoints(dataView); - locales: locales, - locale: 'en' - }; - this.options = util.extend({}, this.defaultOptions); - this.offset = 0; + this.dataPoints[index] = dataPoints; + } - this._create(); + return dataPoints; + }; - this.setOptions(options); - } - CurrentTime.prototype = new Component(); /** - * Create the HTML DOM for the current time bar - * @private + * Set a callback function when the filter is fully loaded. */ - 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; + Filter.prototype.setOnLoadCallback = function(callback) { + this.onLoadCallback = callback; }; - /** - * 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.body = null; - }; /** - * Set options for the component. Options will be merged in current options. - * @param {Object} options Available parameters: - * {boolean} [showCurrentTime] + * Add a value to the list with available values for this filter + * No double entries will be created. + * @param {Number} index */ - CurrentTime.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - util.selectiveExtend(['showCurrentTime', 'locale', 'locales'], this.options, options); - } + Filter.prototype.selectValue = function(index) { + if (index >= this.values.length) + throw 'Error: index out of range'; + + this.index = index; + this.value = this.values[index]; }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Load all filtered rows in the background one by one + * Start this method without providing an index! */ - 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); + Filter.prototype.loadInBackground = function(index) { + if (index === undefined) + index = 0; - this.start(); - } + var frame = this.graph.frame; - var now = new Date(new Date().valueOf() + this.offset); - var x = this.body.util.toScreen(now); + if (index < this.values.length) { + var dataPointsTemp = this._getDataPoints(index); + //this.graph.redrawInfo(); // TODO: not neat - 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); + // 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.bar.style.left = x + 'px'; - this.bar.title = title; + var me = this; + setTimeout(function() {me.loadInBackground(index+1);}, 10); + this.loaded = false; } else { - // remove the line from the DOM - if (this.bar.parentNode) { - this.bar.parentNode.removeChild(this.bar); + this.loaded = true; + + // remove the progress box + if (frame.progress !== undefined) { + frame.removeChild(frame.progress); + frame.progress = undefined; } - this.stop(); - } - return false; + if (this.onLoadCallback) + this.onLoadCallback(); + } }; + module.exports = Filter; + + +/***/ }, +/* 16 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + /** - * Start auto refreshing the current time bar + * @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. */ - CurrentTime.prototype.start = function() { - var me = this; + 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; - function update () { - me.stop(); + 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); - // 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; + this.frame.prev = document.createElement('INPUT'); + this.frame.prev.type = 'BUTTON'; + this.frame.prev.value = 'Prev'; + this.frame.appendChild(this.frame.prev); - me.redraw(); + this.frame.play = document.createElement('INPUT'); + this.frame.play.type = 'BUTTON'; + this.frame.play.value = 'Play'; + this.frame.appendChild(this.frame.play); - // start a timer to adjust for the new time - me.currentTimeTimer = setTimeout(update, interval); + 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);}; } - update(); - }; + this.onChangeCallback = undefined; + + this.values = []; + this.index = undefined; + + this.playTimeout = undefined; + this.playInterval = 1000; // milliseconds + this.playLoop = true; + } /** - * Stop auto refreshing the current time bar + * Select the previous index */ - CurrentTime.prototype.stop = function() { - if (this.currentTimeTimer !== undefined) { - clearTimeout(this.currentTimeTimer); - delete this.currentTimeTimer; + Slider.prototype.prev = function() { + var index = this.getIndex(); + if (index > 0) { + index--; + this.setIndex(index); } }; /** - * 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. + * Select the next index */ - CurrentTime.prototype.setCurrentTime = function(time) { - var t = util.convert(time, 'Date').valueOf(); - var now = new Date().valueOf(); - this.offset = t - now; - this.redraw(); + Slider.prototype.next = function() { + var index = this.getIndex(); + if (index < this.values.length - 1) { + index++; + this.setIndex(index); + } }; /** - * Get the current time. - * @return {Date} Returns the current time. + * Select the next index */ - CurrentTime.prototype.getCurrentTime = function() { - return new Date(new Date().valueOf() + this.offset); - }; + Slider.prototype.playNext = function() { + var start = new Date(); - module.exports = CurrentTime; + 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); + } + var end = new Date(); + var diff = (end - start); -/***/ }, -/* 22 */ -/***/ function(module, exports, __webpack_require__) { + // calculate how much time it to to set the index and to execute the callback + // function. + var interval = Math.max(this.playInterval - diff, 0); + // document.title = diff // TODO: cleanup - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); - var Component = __webpack_require__(20); - var moment = __webpack_require__(44); - var locales = __webpack_require__(48); + var me = this; + this.playTimeout = setTimeout(function() {me.playNext();}, interval); + }; /** - * A custom time bar - * @param {{range: Range, dom: Object}} body - * @param {Object} [options] Available parameters: - * {Boolean} [showCustomTime] - * @constructor CustomTime - * @extends Component + * Toggle start or stop playing */ + Slider.prototype.togglePlay = function() { + if (this.playTimeout === undefined) { + this.play(); + } else { + this.stop(); + } + }; - function CustomTime (body, options) { - this.body = body; - - // default options - this.defaultOptions = { - showCustomTime: false, - locales: locales, - locale: 'en' - }; - this.options = util.extend({}, this.defaultOptions); + /** + * Start playing + */ + Slider.prototype.play = function() { + // Test whether already playing + if (this.playTimeout) return; - this.customTime = new Date(); - this.eventParams = {}; // stores state parameters while dragging the bar + this.playNext(); - // create the DOM - this._create(); + if (this.frame) { + this.frame.play.value = 'Stop'; + } + }; - this.setOptions(options); - } + /** + * Stop playing + */ + Slider.prototype.stop = function() { + clearInterval(this.playTimeout); + this.playTimeout = undefined; - CustomTime.prototype = new Component(); + if (this.frame) { + this.frame.play.value = 'Play'; + } + }; /** - * Set options for the component. Options will be merged in current options. - * @param {Object} options Available parameters: - * {boolean} [showCustomTime] + * Set a callback function which will be triggered when the value of the + * slider bar has changed. */ - CustomTime.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - util.selectiveExtend(['showCustomTime', 'locale', 'locales'], this.options, options); - } + Slider.prototype.setOnChangeCallback = function(callback) { + this.onChangeCallback = callback; }; /** - * Create the DOM for the custom time - * @private + * Set the interval for playing the list + * @param {Number} interval The interval in milliseconds */ - 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; + Slider.prototype.setPlayInterval = function(interval) { + this.playInterval = interval; + }; - 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); + /** + * Retrieve the current play interval + * @return {Number} interval The interval in milliseconds + */ + Slider.prototype.getPlayInterval = function(interval) { + return this.playInterval; + }; - // 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 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; }; + /** - * Destroy the CustomTime bar + * Execute the onchange callback function */ - CustomTime.prototype.destroy = function () { - this.options.showCustomTime = false; - this.redraw(); // will remove the bar from the DOM + Slider.prototype.onChange = function() { + if (this.onChangeCallback !== undefined) { + this.onChangeCallback(); + } + }; - this.hammer.enable(false); - this.hammer = null; + /** + * redraw the slider on the correct place + */ + Slider.prototype.redraw = function() { + if (this.frame) { + // resize the bar + this.frame.bar.style.top = (this.frame.clientHeight/2 - + this.frame.bar.offsetHeight/2) + 'px'; + this.frame.bar.style.width = (this.frame.clientWidth - + this.frame.prev.clientWidth - + this.frame.play.clientWidth - + this.frame.next.clientWidth - 30) + 'px'; - this.body = null; + // position the slider button + var left = this.indexToLeft(this.index); + this.frame.slide.style.left = (left) + 'px'; + } }; + /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Set the list with values for the slider + * @param {Array} values A javascript array with values (any type) */ - 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); - } + Slider.prototype.setValues = function(values) { + this.values = values; - var x = this.body.util.toScreen(this.customTime); + if (this.values.length > 0) + this.setIndex(0); + else + this.index = undefined; + }; - 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); + /** + * Select a value by its index + * @param {Number} index + */ + Slider.prototype.setIndex = function(index) { + if (index < this.values.length) { + this.index = index; - this.bar.style.left = x + 'px'; - this.bar.title = title; + this.redraw(); + this.onChange(); } else { - // remove the line from the DOM - if (this.bar.parentNode) { - this.bar.parentNode.removeChild(this.bar); - } + throw 'Error: index out of range'; } - - return false; }; /** - * Set custom time. - * @param {Date | number | string} time + * retrieve the index of the currently selected vaue + * @return {Number} index */ - CustomTime.prototype.setCustomTime = function(time) { - this.customTime = util.convert(time, 'Date'); - this.redraw(); + Slider.prototype.getIndex = function() { + return this.index; }; + /** - * Retrieve the current custom time. - * @return {Date} customTime + * retrieve the currently selected value + * @return {*} value */ - CustomTime.prototype.getCustomTime = function() { - return new Date(this.customTime.valueOf()); + Slider.prototype.get = function() { + return this.values[this.index]; }; - /** - * Start moving horizontally - * @param {Event} event - * @private - */ - CustomTime.prototype._onDragStart = function(event) { - this.eventParams.dragging = true; - this.eventParams.customTime = this.customTime; - - event.stopPropagation(); - event.preventDefault(); - }; - - /** - * Perform moving operating. - * @param {Event} event - * @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); + 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; - this.setCustomTime(time); + this.startClientX = event.clientX; + this.startSlideX = parseFloat(this.frame.slide.style.left); - // fire a timechange event - this.body.emitter.emit('timechange', { - time: new Date(this.customTime.valueOf()) - }); + this.frame.style.cursor = 'move'; - event.stopPropagation(); - event.preventDefault(); + // 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); }; - /** - * 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()) - }); - - event.stopPropagation(); - event.preventDefault(); - }; - module.exports = CustomTime; + 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; -/***/ }, -/* 23 */ -/***/ function(module, exports, __webpack_require__) { + return index; + }; - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - var Component = __webpack_require__(20); - var DataStep = __webpack_require__(16); + Slider.prototype.indexToLeft = function (index) { + var width = parseFloat(this.frame.bar.style.width) - + this.frame.slide.clientWidth - 10; - /** - * 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; + var x = index / (this.values.length-1) * width; + var left = x + 3; - this.defaultOptions = { - orientation: 'left', // supported: 'left', 'right' - showMinorLabels: true, - showMajorLabels: true, - icons: true, - majorLinesOffset: 7, - minorLinesOffset: 4, - labelOffsetX: 10, - labelOffsetY: 2, - iconWidth: 20, - width: '40px', - visible: true, - customRange: { - left: {min:undefined, max:undefined}, - right: {min:undefined, max:undefined} - } - }; + return left; + }; - this.linegraphOptions = linegraphOptions; - this.linegraphSVG = svg; - this.props = {}; - this.DOMelements = { // dynamic elements - lines: {}, - labels: {} - }; - this.dom = {}; - this.range = {start:0, end:0}; + Slider.prototype._onMouseMove = function (event) { + var diff = event.clientX - this.startClientX; + var x = this.startSlideX + diff; - this.options = util.extend({}, this.defaultOptions); - this.conversionFactor = 1; + var index = this.leftToIndex(x); - this.setOptions(options); - this.width = Number(('' + this.options.width).replace("px","")); - this.minWidth = this.width; - this.height = this.linegraphSVG.offsetHeight; + this.setIndex(index); - this.stepPixels = 25; - this.stepPixelsForced = 25; - this.lineOffset = 0; - this.master = true; - this.svgElements = {}; + util.preventDefault(); + }; - this.groups = {}; - this.amountOfGroups = 0; + Slider.prototype._onMouseUp = function (event) { + this.frame.style.cursor = 'auto'; - // create the HTML DOM - this._create(); - } + // remove event listeners + util.removeEventListener(document, 'mousemove', this.onmousemove); + util.removeEventListener(document, 'mouseup', this.onmouseup); - DataAxis.prototype = new Component(); + util.preventDefault(); + }; + module.exports = Slider; - DataAxis.prototype.addGroup = function(label, graphOptions) { - if (!this.groups.hasOwnProperty(label)) { - this.groups[label] = graphOptions; - } - this.amountOfGroups += 1; - }; +/***/ }, +/* 17 */ +/***/ function(module, exports, __webpack_require__) { - DataAxis.prototype.updateGroup = function(label, graphOptions) { - this.groups[label] = graphOptions; - }; + /** + * @prototype StepNumber + * The class StepNumber is an iterator for Numbers. You provide a start and end + * value, and a best step size. StepNumber itself rounds to fixed values and + * a finds the step that best fits the provided step. + * + * If prettyStep is true, the step size is chosen as close as possible to the + * provided step, but being a round value like 1, 2, 5, 10, 20, 50, .... + * + * Example usage: + * var step = new StepNumber(0, 10, 2.5, true); + * step.start(); + * while (!step.end()) { + * alert(step.getCurrent()); + * step.next(); + * } + * + * Version: 1.0 + * + * @param {Number} start The start value + * @param {Number} end The end value + * @param {Number} step Optional. Step size. Must be a positive value. + * @param {boolean} prettyStep Optional. If true, the step size is rounded + * To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) + */ + function StepNumber(start, end, step, prettyStep) { + // set default values + this._start = 0; + this._end = 0; + this._step = 1; + this.prettyStep = true; + this.precision = 5; - DataAxis.prototype.removeGroup = function(label) { - if (this.groups.hasOwnProperty(label)) { - delete this.groups[label]; - this.amountOfGroups -= 1; - } + this._current = 0; + this.setRange(start, end, step, prettyStep); }; + /** + * Set a new range: start, end and step. + * + * @param {Number} start The start value + * @param {Number} end The end value + * @param {Number} step Optional. Step size. Must be a positive value. + * @param {boolean} prettyStep Optional. If true, the step size is rounded + * To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) + */ + StepNumber.prototype.setRange = function(start, end, step, prettyStep) { + this._start = start ? start : 0; + this._end = end ? end : 0; - DataAxis.prototype.setOptions = function (options) { - if (options) { - var redraw = false; - if (this.options.orientation != options.orientation && options.orientation !== undefined) { - redraw = true; - } - var fields = [ - 'orientation', - 'showMinorLabels', - 'showMajorLabels', - 'icons', - 'majorLinesOffset', - 'minorLinesOffset', - 'labelOffsetX', - 'labelOffsetY', - 'iconWidth', - 'width', - 'visible', - 'customRange' - ]; - util.selectiveExtend(fields, this.options, options); - - this.minWidth = Number(('' + this.options.width).replace("px","")); - - if (redraw == true && this.dom.frame) { - this.hide(); - this.show(); - } - } + this.setStep(step, prettyStep); }; - /** - * Create the HTML DOM for the DataAxis + * 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, ...) */ - 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; + StepNumber.prototype.setStep = function(step, prettyStep) { + if (step === undefined || step <= 0) + return; - this.dom.lineContainer = document.createElement('div'); - this.dom.lineContainer.style.width = '100%'; - this.dom.lineContainer.style.height = this.height; + if (prettyStep !== undefined) + this.prettyStep = prettyStep; - // 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); + if (this.prettyStep === true) + this._step = StepNumber.calculatePrettyStep(step); + else + this._step = step; }; - DataAxis.prototype._redrawGroupIcons = function () { - DOMutil.prepareElements(this.svgElements); + /** + * Calculate a nice step size, closest to the desired step size. + * Returns a value in one of the ranges 1*10^n, 2*10^n, or 5*10^n, where n is an + * integer Number. For example 1, 2, 5, 10, 20, 50, etc... + * @param {Number} step Desired step size + * @return {Number} Nice step size + */ + StepNumber.calculatePrettyStep = function (step) { + var log10 = function (x) {return Math.log(x) / Math.LN10;}; - var x; - var iconWidth = this.options.iconWidth; - var iconHeight = 15; - var iconOffset = 4; - var y = iconOffset + 0.5 * iconHeight; + // try three steps (multiple of 1, 2, or 5 + var step1 = Math.pow(10, Math.round(log10(step))), + step2 = 2 * Math.pow(10, Math.round(log10(step / 2))), + step5 = 5 * Math.pow(10, Math.round(log10(step / 5))); - if (this.options.orientation == 'left') { - x = iconOffset; - } - else { - x = this.width - iconWidth - iconOffset; - } + // 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; - 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; - } - } + // for safety + if (prettyStep <= 0) { + prettyStep = 1; } - DOMutil.cleanupElements(this.svgElements); + return prettyStep; }; /** - * Create the HTML DOM for the DataAxis + * returns the current value of the step + * @return {Number} current value */ - DataAxis.prototype.show = function() { - 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); - } + StepNumber.prototype.getCurrent = function () { + return parseFloat(this._current.toPrecision(this.precision)); }; /** - * Create the HTML DOM for the DataAxis + * returns the current step size + * @return {Number} current step size */ - DataAxis.prototype.hide = function() { - 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); - } + StepNumber.prototype.getStep = function () { + return this._step; }; /** - * Set a range (start and end) - * @param end - * @param start - * @param end + * Set the current value to the largest value smaller than start, which + * is a multiple of the step size */ - DataAxis.prototype.setRange = function (start, end) { - this.range.start = start; - this.range.end = end; + StepNumber.prototype.start = function() { + this._current = this._start - this._start % this._step; }; /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Do a step, add the step size to the current value */ - DataAxis.prototype.redraw = function () { - var changeCalled = false; - 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++; - } - } - } - if (this.amountOfGroups == 0 || activeGroups == 0) { - this.hide(); - } - else { - this.show(); - this.height = Number(this.linegraphSVG.style.height.replace("px","")); - // svg offsetheight did not work in firefox and explorer... - - this.dom.lineContainer.style.height = this.height + 'px'; - this.width = this.options.visible == true ? Number(('' + this.options.width).replace("px","")) : 0; - - var props = this.props; - var frame = this.dom.frame; - - // update classname - frame.className = 'dataaxis'; - - // calculate character width and height - this._calculateCharSize(); - - var orientation = this.options.orientation; - var showMinorLabels = this.options.showMinorLabels; - var showMajorLabels = this.options.showMajorLabels; - - // determine the width and height of the elemens for the axis - props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; - props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; - - props.minorLineWidth = this.body.dom.backgroundHorizontal.offsetWidth - this.lineOffset - this.width + 2 * this.options.minorLinesOffset; - props.minorLineHeight = 1; - props.majorLineWidth = this.body.dom.backgroundHorizontal.offsetWidth - this.lineOffset - this.width + 2 * this.options.majorLinesOffset; - props.majorLineHeight = 1; - - // take frame offline while updating (is almost twice as fast) - if (orientation == 'left') { - frame.style.top = '0'; - frame.style.left = '0'; - frame.style.bottom = ''; - frame.style.width = this.width + 'px'; - frame.style.height = this.height + "px"; - } - else { // right - frame.style.top = ''; - frame.style.bottom = '0'; - frame.style.left = '0'; - frame.style.width = this.width + 'px'; - frame.style.height = this.height + "px"; - } - changeCalled = this._redrawLabels(); - if (this.options.icons == true) { - this._redrawGroupIcons(); - } - } - return changeCalled; + StepNumber.prototype.next = function () { + this._current += this._step; }; /** - * Repaint major and minor text labels and vertical grid lines - * @private + * Returns true whether the end is reached + * @return {boolean} True if the current value has passed the end value. */ - DataAxis.prototype._redrawLabels = function () { - DOMutil.prepareElements(this.DOMelements.lines); - DOMutil.prepareElements(this.DOMelements.labels); + StepNumber.prototype.end = function () { + return (this._current > this._end); + }; - var orientation = this.options['orientation']; + module.exports = StepNumber; - // calculate range and step (step such that we have space for 7 characters per label) - var minimumStep = this.master ? this.props.majorCharHeight || 10 : this.stepPixelsForced; - var step = new DataStep(this.range.start, this.range.end, minimumStep, this.dom.frame.offsetHeight, this.options.customRange[this.options.orientation]); - this.step = step; - // get the distance in pixels for a step - // dead space is space that is "left over" after a step - var stepPixels = (this.dom.frame.offsetHeight - (step.deadSpace * (this.dom.frame.offsetHeight / step.marginRange))) / (((step.marginRange - step.deadSpace) / step.step)); - this.stepPixels = stepPixels; +/***/ }, +/* 18 */ +/***/ function(module, exports, __webpack_require__) { - var amountOfSteps = this.height / stepPixels; - var stepDifference = 0; + 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__(26); + var CurrentTime = __webpack_require__(28); + var CustomTime = __webpack_require__(30); + var ItemSet = __webpack_require__(31); - 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; + /** + * Create a timeline visualization + * @param {HTMLElement} container + * @param {vis.DataSet | Array | google.visualization.DataTable} [items] + * @param {Object} [options] See Timeline.setOptions for the available options. + * @constructor + * @extends Core + */ + function Timeline (container, items, groups, options) { + if (!(this instanceof Timeline)) { + throw new SyntaxError('Constructor must be called with the new operator'); } - else { - amountOfSteps += 0.25; + + // 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, - this.valueAtZero = step.marginEnd; - var marginStartPos = 0; + autoResize: true, - // do not draw the first label - var max = 1; + orientation: 'bottom', + width: null, + height: null, + maxHeight: null, + minHeight: null + }; + this.options = util.deepExtend({}, this.defaultOptions); - 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(); + // Create the DOM, props, and emitter + this._create(container); - if (this.options['showMinorLabels'] && isMajor == false || this.master == false && this.options['showMinorLabels'] == true) { - this._redrawLabel(y - 2, step.getCurrent(), orientation, 'yAxis minor', this.props.minorCharHeight); - } + // all components listed here will be repainted automatically + this.components = []; - 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(), orientation, 'yAxis major', this.props.majorCharHeight); - } - this._redrawLine(y, orientation, 'grid horizontal major', this.options.majorLinesOffset, this.props.majorLineWidth); - } - else { - this._redrawLine(y, orientation, 'grid horizontal minor', this.options.minorLinesOffset, this.props.minorLineWidth); + this.body = { + 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) } + }; - max++; - } + // range + this.range = new Range(this.body); + this.components.push(this.range); + this.body.range = this.range; - if (this.master == false) { - this.conversionFactor = y / (this.valueAtZero - step.current); - } - else { - this.conversionFactor = this.dom.frame.offsetHeight / step.marginRange; + // time axis + this.timeAxis = new TimeAxis(this.body); + this.components.push(this.timeAxis); + this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis); + + // current time bar + this.currentTime = new CurrentTime(this.body); + this.components.push(this.currentTime); + + // custom time bar + // Note: time bar will be attached in this.setOptions when selected + this.customTime = new CustomTime(this.body); + this.components.push(this.customTime); + + // item set + this.itemSet = new ItemSet(this.body); + this.components.push(this.itemSet); + + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + + // apply options + if (options) { + this.setOptions(options); } - var offset = this.options.icons == true ? this.options.iconWidth + this.options.labelOffsetX + 15 : this.options.labelOffsetX + 15; - // this will resize the yAxis to accomodate 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; + // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! + if (groups) { + this.setGroups(groups); } - // 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; + + // create itemset + if (items) { + this.setItems(items); } else { - DOMutil.cleanupElements(this.DOMelements.lines); - DOMutil.cleanupElements(this.DOMelements.labels); - return false; + this.redraw(); } - }; + } - DataAxis.prototype.convertValue = function (value) { - var invertedValue = this.valueAtZero - value; - var convertedValue = invertedValue * this.conversionFactor; - return convertedValue; - }; + // Extend the functionality from Core + Timeline.prototype = new Core(); /** - * Create a label for the axis at position x - * @private - * @param y - * @param text - * @param orientation - * @param className - * @param characterHeight + * Set items + * @param {vis.DataSet | Array | google.visualization.DataTable | null} items */ - 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"; + 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 { - label.style.right = '-' + this.options.labelOffsetX + 'px'; - label.style.textAlign = "left"; + // turn an array into a dataset + newDataSet = new DataSet(items, { + type: { + start: 'Date', + end: 'Date' + } + }); } - label.style.top = y - 0.5 * characterHeight + this.options.labelOffsetY + 'px'; - - text += ''; - - var largestWidth = Math.max(this.props.majorCharWidth,this.props.minorCharWidth); - if (this.maxLabelSize < text.length * largestWidth) { - this.maxLabelSize = text.length * largestWidth; - } - }; + // set items + this.itemsData = newDataSet; + this.itemSet && this.itemSet.setItems(newDataSet); - /** - * 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 = ''; + if (initialLoad) { + if (this.options.start != undefined || this.options.end != undefined) { + var start = this.options.start != undefined ? this.options.start : null; + var end = this.options.end != undefined ? this.options.end : null; - if (orientation == 'left') { - line.style.left = (this.width - offset) + 'px'; + this.setWindow(start, end, {animate: false}); } else { - line.style.right = (this.width - offset) + 'px'; + this.fit({animate: false}); } - - line.style.width = width + 'px'; - line.style.top = y + 'px'; } }; - - - - /** - * Determine the size of text on the axis (both major and minor axis). - * The size is calculated only once and then cached in this.props. - * @private + * Set groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groups */ - DataAxis.prototype._calculateCharSize = function () { - // determine the char width and height on the minor axis - if (!('minorCharHeight' in this.props)) { - var textMinor = document.createTextNode('0'); - var measureCharMinor = document.createElement('DIV'); - measureCharMinor.className = 'yAxis minor measure'; - measureCharMinor.appendChild(textMinor); - this.dom.frame.appendChild(measureCharMinor); - - this.props.minorCharHeight = measureCharMinor.clientHeight; - this.props.minorCharWidth = measureCharMinor.clientWidth; - - this.dom.frame.removeChild(measureCharMinor); + Timeline.prototype.setGroups = function(groups) { + // convert to type DataSet when needed + var newDataSet; + if (!groups) { + newDataSet = null; + } + else if (groups instanceof DataSet || groups instanceof DataView) { + newDataSet = groups; + } + else { + // turn an array into a dataset + newDataSet = new DataSet(groups); } - 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.groupsData = newDataSet; + this.itemSet.setGroups(newDataSet); + }; - this.props.majorCharHeight = measureCharMajor.clientHeight; - this.props.majorCharWidth = measureCharMajor.clientWidth; + /** + * Set selected items by their id. Replaces the current selection + * Unknown id's are silently ignored. + * @param {string[] | string} [ids] An array with zero or more id's of the items to be + * selected. If ids is an empty array, all items will be + * unselected. + * @param {Object} [options] Available options: + * `focus: boolean` + * If true, focus will be set to the selected item(s) + * `animate: boolean | number` + * If true (default), the range is animated + * smoothly to the new window. + * If a number, the number is taken as duration + * for the animation. Default duration is 500 ms. + * Only applicable when option focus is true. + */ + Timeline.prototype.setSelection = function(ids, options) { + this.itemSet && this.itemSet.setSelection(ids); - this.dom.frame.removeChild(measureCharMajor); + if (options && options.focus) { + this.focus(ids, options); } }; /** - * 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 + * Get the selected items by their id + * @return {Array} ids The ids of the selected items */ - DataAxis.prototype.snap = function(date) { - return this.step.snap(date); + Timeline.prototype.getSelection = function() { + return this.itemSet && this.itemSet.getSelection() || []; }; - module.exports = DataAxis; - - -/***/ }, -/* 24 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - /** - * @constructor Group - * @param {Number | String} groupId - * @param {Object} data - * @param {ItemSet} itemSet + * 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 */ - 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; - } + Timeline.prototype.focus = function(id, options) { + if (!this.itemsData || id == undefined) return; - 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 = []; - } - }; + var ids = Array.isArray(id) ? id : [id]; - GraphGroup.prototype.setZeroPosition = function(pos) { - this.zeroPosition = pos; - }; + // get the specified item(s) + var itemsData = this.itemsData.getDataSet().get(ids, { + type: { + start: 'Date', + end: 'Date' + } + }); - GraphGroup.prototype.setOptions = function(options) { - if (options !== undefined) { - var fields = ['sampling','style','sort','yAxisOrientation','barChart']; - util.selectiveDeepExtend(fields, this.options, options); + // calculate minimum start and maximum end of specified items + var start = null; + var end = null; + itemsData.forEach(function (itemData) { + var s = itemData.start.valueOf(); + var e = 'end' in itemData ? itemData.end.valueOf() : itemData.start.valueOf(); - util.mergeOptions(this.options, options,'catmullRom'); - util.mergeOptions(this.options, options,'drawPoints'); - util.mergeOptions(this.options, options,'shaded'); + if (start === null || s < start) { + start = s; + } - 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 (end === null || e > end) { + end = e; } - } - }; + }); - 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.setOptions(group.options); + if (start !== null && end !== null) { + // calculate the new middle and interval for the window + var middle = (start + end) / 2; + var interval = Math.max((this.range.end - this.range.start), (end - start) * 1.1); + + var animate = (options && options.animate !== undefined) ? options.animate : true; + this.range.setRange(middle - interval / 2, middle + interval / 2, animate); + } }; - GraphGroup.prototype.drawIcon = function(x, y, JSONcontainer, SVGcontainer, iconWidth, iconHeight) { - var fillHeight = iconHeight * 0.5; - var path, fillPath; + /** + * 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; - 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 (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 - if (this.options.style == 'line') { - path = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer); - path.setAttributeNS(null, "class", this.className); - 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)); + // 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 { - fillPath.setAttributeNS(null, "d", "M"+x+","+y+" " + - "L"+x+"," + (y + fillHeight) + " " + - "L"+ (x + iconWidth) + "," + (y + fillHeight) + - "L"+ (x + iconWidth) + ","+y); + max = Math.max(max, util.convert(maxEndItem.end, 'Date').valueOf()); } - 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); - } + return { + min: (min != null) ? new Date(min) : null, + max: (max != null) ? new Date(max) : null + }; }; - /** - * - * @param iconWidth - * @param iconHeight - * @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}} - */ - GraphGroup.prototype.getLegend = function(iconWidth, iconHeight) { - var svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); - this.drawIcon(0,0.5*iconHeight,[],svg,iconWidth,iconHeight); - return {icon: svg, label: this.content, orientation:this.options.yAxisOrientation}; - } - module.exports = GraphGroup; + module.exports = Timeline; /***/ }, -/* 25 */ +/* 19 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var stack = __webpack_require__(18); - var RangeItem = __webpack_require__(35); + // 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.'); + } + } - /** - * @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; - this.dom = {}; - this.props = { - label: { - width: 0, - height: 0 - } - }; - this.className = null; +/***/ }, +/* 20 */ +/***/ function(module, exports, __webpack_require__) { - this.items = {}; // items filtered by groupId of this group - this.visibleItems = []; // items currently visible in window - this.orderedItems = { // items sorted by start and by end - byStart: [], - byEnd: [] - }; + 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._create(); + (function(window, undefined) { + 'use strict'; - this.setData(data); - } + /** + * @main + * @module hammer + * + * @class Hammer + * @static + */ /** - * Create DOM elements for the group - * @private + * Hammer, use this to create instances + * ```` + * var hammertime = new Hammer(myElement); + * ```` + * + * @method Hammer + * @param {HTMLElement} element + * @param {Object} [options={}] + * @return {Hammer.Instance} */ - Group.prototype._create = function() { - var label = document.createElement('div'); - label.className = 'vlabel'; - this.dom.label = label; + var Hammer = function Hammer(element, options) { + return new Hammer.Instance(element, options || {}); + }; - var inner = document.createElement('div'); - inner.className = 'inner'; - label.appendChild(inner); - this.dom.inner = inner; - - var foreground = document.createElement('div'); - foreground.className = 'group'; - foreground['timeline-group'] = this; - this.dom.foreground = foreground; - - this.dom.background = document.createElement('div'); - this.dom.background.className = 'group'; - - this.dom.axis = document.createElement('div'); - this.dom.axis.className = 'group'; - - // create a hidden marker to detect when the Timelines container is attached - // to the DOM, or the style of a parent of the Timeline is changed from - // display:none is changed to visible. - this.dom.marker = document.createElement('div'); - this.dom.marker.style.visibility = 'hidden'; // TODO: ask jos why this is not none? - this.dom.marker.innerHTML = '?'; - this.dom.background.appendChild(this.dom.marker); - }; + /** + * version, as defined in package.json + * the value will be set at each build + * @property VERSION + * @final + * @type {String} + */ + Hammer.VERSION = '1.1.3'; /** - * Set the group data for this group - * @param {Object} data Group data, can contain properties content and className + * default settings. + * more settings are defined per gesture at `/gestures`. Each gesture can be disabled/enabled + * by setting it's name (like `swipe`) to false. + * You can set the defaults for all instances by changing this object before creating an instance. + * @example + * ```` + * Hammer.defaults.drag = false; + * Hammer.defaults.behavior.touchAction = 'pan-y'; + * delete Hammer.defaults.behavior.userSelect; + * ```` + * @property defaults + * @type {Object} */ - Group.prototype.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 - } + 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', - // update title - this.dom.label.title = data && data.title || ''; + /** + * Specifies whether and how a given region can be manipulated by the user (for instance, by panning or zooming). + * Used by Chrome 35> and IE10>. By default this makes the element blocking any touch event. + * @property defaults.behavior.touchAction + * @type {String} + * @default: 'pan-y' + */ + touchAction: 'pan-y', - if (!this.dom.inner.firstChild) { - util.addClassName(this.dom.inner, 'hidden'); - } - else { - util.removeClassName(this.dom.inner, 'hidden'); - } + /** + * Disables the default callout shown when you touch and hold a touch target. + * On iOS, when you touch and hold a touch target such as a link, Safari displays + * a callout containing information about the link. This property allows you to disable that callout. + * @property defaults.behavior.touchCallout + * @type {String} + * @default 'none' + */ + touchCallout: 'none', - // update 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; - } + /** + * Specifies whether zooming is enabled. Used by IE10> + * @property defaults.behavior.contentZooming + * @type {String} + * @default 'none' + */ + contentZooming: 'none', - // 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; - } + /** + * 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', + + /** + * Overrides the highlight color shown when the user taps a link or a JavaScript + * clickable element in Safari on iPhone. This property obeys the alpha value, if specified. + * + * If you don't specify an alpha value, Safari on iPhone applies a default alpha value + * to the color. To disable tap highlighting, set the alpha value to 0 (invisible). + * If you set the alpha value to 1.0 (opaque), the element is not visible when tapped. + * @property defaults.behavior.tapHighlightColor + * @type {String} + * @default 'rgba(0,0,0,0)' + */ + tapHighlightColor: 'rgba(0,0,0,0)' + } }; /** - * Get the width of the group label - * @return {number} width + * hammer document where the base events are added at + * @property DOCUMENT + * @type {HTMLElement} + * @default window.document */ - Group.prototype.getLabelWidth = function() { - return this.props.label.width; - }; - + Hammer.DOCUMENT = document; /** - * 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 + * detect support for pointer events + * @property HAS_POINTEREVENTS + * @type {Boolean} */ - 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(); - }); - - restack = 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); - } - - // 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'; - - // 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; - }; + Hammer.HAS_POINTEREVENTS = navigator.pointerEnabled || navigator.msPointerEnabled; /** - * recalculate the height of the group - * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin - * @returns {number} Returns the height - * @private + * detect support for touch events + * @property HAS_TOUCHEVENTS + * @type {Boolean} */ - Group.prototype._calculateHeight = function (margin) { - // recalculate the height of the group - var height; - var visibleItems = this.visibleItems; - //var visibleSubgroups = []; - //this.visibleSubgroups = 0; - this.resetSubgroups(); - var me = this; - if (visibleItems.length) { - var min = visibleItems[0].top; - var max = visibleItems[0].top + visibleItems[0].height; - util.forEach(visibleItems, function (item) { - min = Math.min(min, item.top); - max = Math.max(max, (item.top + item.height)); - if (item.data.subgroup !== undefined) { - me.subgroups[item.data.subgroup].height = Math.max(me.subgroups[item.data.subgroup].height,item.height); - me.subgroups[item.data.subgroup].visible = true; - //if (visibleSubgroups.indexOf(item.data.subgroup) == -1){ - // visibleSubgroups.push(item.data.subgroup); - // me.visibleSubgroups += 1; - //} - } - }); - if (min > margin.axis) { - // there is an empty gap between the lowest item and the axis - var offset = min - margin.axis; - max -= offset; - util.forEach(visibleItems, function (item) { - item.top -= offset; - }); - } - height = max + margin.item.vertical / 2; - } - else { - height = margin.axis + margin.item.vertical; - } - height = Math.max(height, this.props.label.height); - - return height; - }; + Hammer.HAS_TOUCHEVENTS = ('ontouchstart' in window); /** - * Show this group: attach to the DOM + * detect mobile browsers + * @property IS_MOBILE + * @type {Boolean} */ - Group.prototype.show = function() { - if (!this.dom.label.parentNode) { - this.itemSet.dom.labelSet.appendChild(this.dom.label); - } - - if (!this.dom.foreground.parentNode) { - this.itemSet.dom.foreground.appendChild(this.dom.foreground); - } - - if (!this.dom.background.parentNode) { - this.itemSet.dom.background.appendChild(this.dom.background); - } - - if (!this.dom.axis.parentNode) { - this.itemSet.dom.axis.appendChild(this.dom.axis); - } - }; + Hammer.IS_MOBILE = /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent); /** - * Hide this group: remove from the DOM + * detect if we want to support mouseevents at all + * @property NO_MOUSEEVENTS + * @type {Boolean} */ - Group.prototype.hide = function() { - var label = this.dom.label; - if (label.parentNode) { - label.parentNode.removeChild(label); - } - - var foreground = this.dom.foreground; - if (foreground.parentNode) { - foreground.parentNode.removeChild(foreground); - } - - var background = this.dom.background; - if (background.parentNode) { - background.parentNode.removeChild(background); - } - - var axis = this.dom.axis; - if (axis.parentNode) { - axis.parentNode.removeChild(axis); - } - }; + Hammer.NO_MOUSEEVENTS = (Hammer.HAS_TOUCHEVENTS && Hammer.IS_MOBILE) || Hammer.HAS_POINTEREVENTS; /** - * Add an item to the group - * @param {Item} item + * interval in which Hammer recalculates current velocity/direction/angle in ms + * @property CALCULATE_INTERVAL + * @type {Number} + * @default 25 */ - Group.prototype.add = function(item) { - this.items[item.id] = item; - item.setParent(this); - - // add to - if (item.data.subgroup !== undefined) { - if (this.subgroups[item.data.subgroup] === undefined) { - this.subgroups[item.data.subgroup] = {height:0, visible: false, index:this.subgroupIndex, items: []}; - this.subgroupIndex++; - } - this.subgroups[item.data.subgroup].items.push(item); - } - this.orderSubgroups(); - - 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); - } - }; - - 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); - } - - 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; - } - } - }; + Hammer.CALCULATE_INTERVAL = 25; /** - * Remove an item from the group - * @param {Item} item + * eventtypes per touchevent (start, move, end) are filled by `Event.determineEventTypes` on `setup` + * the object contains the DOM event names per type (`EVENT_START`, `EVENT_MOVE`, `EVENT_END`) + * @property EVENT_TYPES + * @private + * @writeOnce + * @type {Object} */ - Group.prototype.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); + var EVENT_TYPES = {}; - // TODO: also remove from ordered items? - }; + /** + * 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'; /** - * Remove an item from the corresponding DataSet - * @param {Item} item + * pointertype strings, for safe comparisons + * @property POINTER_MOUSE|TOUCH|PEN + * @final + * @type {String} + * @default 'mouse' 'touch' 'pen' */ - Group.prototype.removeFromDataSet = function(item) { - this.itemSet.removeItem(item.id); - }; + var POINTER_MOUSE = Hammer.POINTER_MOUSE = 'mouse'; + var POINTER_TOUCH = Hammer.POINTER_TOUCH = 'touch'; + var POINTER_PEN = Hammer.POINTER_PEN = 'pen'; /** - * Reorder the items + * eventtypes + * @property EVENT_START|MOVE|END|RELEASE|TOUCH + * @final + * @type {String} + * @default 'start' 'change' 'move' 'end' 'release' 'touch' */ - Group.prototype.order = function() { - var array = util.toArray(this.items); - this.orderedItems.byStart = array; - this.orderedItems.byEnd = this._constructByEndArray(array); + 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'; - stack.orderByStart(this.orderedItems.byStart); - stack.orderByEnd(this.orderedItems.byEnd); - }; + /** + * if the window events are set... + * @property READY + * @writeOnce + * @type {Boolean} + * @default false + */ + Hammer.READY = false; /** - * Create an array containing all items being a range (having an end date) - * @param {Item[]} array - * @returns {RangeItem[]} - * @private + * plugins namespace + * @property plugins + * @type {Object} */ - Group.prototype._constructByEndArray = function(array) { - var endArray = []; + Hammer.plugins = Hammer.plugins || {}; - for (var i = 0; i < array.length; i++) { - if (array[i] instanceof RangeItem) { - endArray.push(array[i]); - } - } - return endArray; - }; + /** + * gestures namespace + * see `/gestures` for the definitions + * @property gestures + * @type {Object} + */ + Hammer.gestures = Hammer.gestures || {}; /** - * 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. + * setup events to detect gestures on the document + * this function is called when creating an new instance * @private */ - Group.prototype._updateVisibleItems = function(orderedItems, visibleItems, range) { - var initialPosByStart, - newVisibleItems = [], - i; - - // first check if the items that were in view previously are still in view. - // this handles the case for the RangeItem that is both before and after the current one. - if (visibleItems.length > 0) { - for (i = 0; i < visibleItems.length; i++) { - this._checkIfVisible(visibleItems[i], newVisibleItems, range); + function setup() { + if(Hammer.READY) { + return; } - } - // If there were no visible items previously, use binarySearch to find a visible PointItem or RangeItem (based on startTime) - if (newVisibleItems.length == 0) { - initialPosByStart = util.binarySearch(orderedItems.byStart, range, 'data','start'); - } - else { - initialPosByStart = orderedItems.byStart.indexOf(newVisibleItems[0]); - } - - // use visible search to find a visible RangeItem (only based on endTime) - var initialPosByEnd = util.binarySearch(orderedItems.byEnd, range, 'data','end'); - - // if we found a initial ID to use, trace it up and down until we meet an invisible item. - if (initialPosByStart != -1) { - for (i = initialPosByStart; i >= 0; i--) { - if (this._checkIfInvisible(orderedItems.byStart[i], newVisibleItems, range)) {break;} - } - for (i = initialPosByStart + 1; i < orderedItems.byStart.length; i++) { - if (this._checkIfInvisible(orderedItems.byStart[i], newVisibleItems, range)) {break;} - } - } - - // if we found a initial ID to use, trace it up and down until we meet an invisible item. - if (initialPosByEnd != -1) { - for (i = initialPosByEnd; i >= 0; i--) { - if (this._checkIfInvisible(orderedItems.byEnd[i], newVisibleItems, range)) {break;} - } - for (i = initialPosByEnd + 1; i < orderedItems.byEnd.length; i++) { - if (this._checkIfInvisible(orderedItems.byEnd[i], newVisibleItems, range)) {break;} - } - } - - return newVisibleItems; - }; + // find what eventtypes we add listeners to + Event.determineEventTypes(); + // Register all gestures inside Hammer.gestures + Utils.each(Hammer.gestures, function(gesture) { + Detection.register(gesture); + }); + // Add touch events on the document + Event.onTouch(Hammer.DOCUMENT, EVENT_MOVE, Detection.detect); + Event.onTouch(Hammer.DOCUMENT, EVENT_END, Detection.detect); - /** - * this function checks if an item is invisible. If it is NOT we make it visible - * and add it to the global visible items. If it is, return true. - * - * @param {Item} item - * @param {Item[]} visibleItems - * @param {{start:number, end:number}} range - * @returns {boolean} - * @private - */ - Group.prototype._checkIfInvisible = function(item, visibleItems, range) { - if (item.isVisible(range)) { - if (!item.displayed) item.show(); - item.repositionX(); - if (visibleItems.indexOf(item) == -1) { - visibleItems.push(item); - } - return false; - } - else { - if (item.displayed) item.hide(); - return true; - } - }; + // Hammer is ready...! + Hammer.READY = true; + } /** - * this function is very similar to the _checkIfInvisible() but it does not - * return booleans, hides the item if it should not be seen and always adds to - * the visibleItems. - * this one is for brute forcing and hiding. + * @module hammer * - * @param {Item} item - * @param {Array} visibleItems - * @param {{start:number, end:number}} range - * @private + * @class Utils + * @static */ - 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.exports = Group; - - -/***/ }, -/* 26 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var Group = __webpack_require__(25); + 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; + }, - /** - * @constructor BackgroundGroup - * @param {Number | String} groupId - * @param {Object} data - * @param {ItemSet} itemSet - */ - function BackgroundGroup (groupId, data, itemSet) { - Group.call(this, groupId, data, itemSet); + /** + * 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); + }, - this.width = 0; - this.height = 0; - this.top = 0; - this.left = 0; - } + /** + * 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); + }, - BackgroundGroup.prototype = Object.create(Group.prototype); + /** + * 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; - /** - * 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 - */ - BackgroundGroup.prototype.redraw = function(range, margin, restack) { - var resized = false; + // 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; + } + } + } + }, - this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); + /** + * 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; + }, - // calculate actual size - this.width = this.dom.background.offsetWidth; + /** + * 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; + } + }, - // apply new height (just always zero for BackgroundGroup - this.dom.background.style.height = '0'; + /** + * 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); + }, - // 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); - } + /** + * 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; + }, - return resized; - }; + /** + * 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; - /** - * Show this group: attach to the DOM - */ - BackgroundGroup.prototype.show = function() { - if (!this.dom.background.parentNode) { - this.itemSet.dom.background.appendChild(this.dom.background); - } - }; + // 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 + }; + } - module.exports = BackgroundGroup; + Utils.each(touches, function(touch) { + pageX.push(touch.pageX); + pageY.push(touch.pageY); + clientX.push(touch.clientX); + clientY.push(touch.clientY); + }); + return { + pageX: (min.apply(Math, pageX) + max.apply(Math, pageX)) / 2, + pageY: (min.apply(Math, pageY) + max.apply(Math, pageY)) / 2, + clientX: (min.apply(Math, clientX) + max.apply(Math, clientX)) / 2, + clientY: (min.apply(Math, clientY) + max.apply(Math, clientY)) / 2 + }; + }, -/***/ }, -/* 27 */ -/***/ function(module, exports, __webpack_require__) { + /** + * 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 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); + /** + * calculate the angle between two coordinates + * @method getAngle + * @param {Touch} touch1 + * @param {Touch} touch2 + * @return {Number} angle + */ + getAngle: function getAngle(touch1, touch2) { + var x = touch2.clientX - touch1.clientX, + y = touch2.clientY - touch1.clientY; + return Math.atan2(y, x) * 180 / Math.PI; + }, - var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items - var BACKGROUND = '__background__'; // reserved group id for background items without group + /** + * 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); - /** - * 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; + if(x >= y) { + return touch1.clientX - touch2.clientX > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; + } + return touch1.clientY - touch2.clientY > 0 ? DIRECTION_UP : DIRECTION_DOWN; + }, - this.defaultOptions = { - type: null, // 'box', 'point', 'range', 'background' - orientation: 'bottom', // 'top' or 'bottom' - align: 'auto', // alignment of box items - stack: true, - groupOrder: null, + /** + * calculate the 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; - selectable: true, - editable: { - updateTime: false, - updateGroup: false, - add: false, - remove: false + return Math.sqrt((x * x) + (y * y)); }, - 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); + /** + * 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; }, - margin: { - item: { - horizontal: 10, - vertical: 10 - }, - axis: 20 + /** + * 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; }, - padding: 5 - }; - - // options is shared by this ItemSet and all its items - this.options = util.extend({}, this.defaultOptions); - // options for getting items from the DataSet with the correct type - this.itemOptions = { - type: {start: 'Date', end: 'Date'} - }; + /** + * 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.conversion = { - toScreen: body.util.toScreen, - toTime: body.util.toTime - }; - this.dom = {}; - this.props = {}; - this.hammer = null; + /** + * 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); - var me = this; - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + 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); + } - // 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); + // test the style + if(p in element.style) { + element.style[p] = (toggle == null || toggle) && value || ''; + break; + } + } }, - '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); - } - }; + /** + * toggle browser default behavior by setting css properties. + * `userSelect='none'` also sets `element.onselectstart` to false + * `userDrag='none'` also sets `element.ondragstart` to false + * + * @method toggleBehavior + * @param {HtmlElement} element + * @param {Object} props + * @param {Boolean} [toggle=true] + */ + toggleBehavior: function toggleBehavior(element, props, toggle) { + if(!props || !element || !element.style) { + return; + } - this.items = {}; // object with an Item for every data item - this.groups = {}; // Group object for every group - this.groupIds = []; + // set the css properties + Utils.each(props, function(value, prop) { + Utils.setPrefixedCss(element, prop, value, toggle); + }); - this.selection = []; // list with the ids of all selected nodes - this.stackDirty = true; // if true, all items will be restacked on next redraw - - this.touchParams = {}; // stores properties while dragging - // create the HTML DOM - - this._create(); - - this.setOptions(options); - } + var falseFn = toggle && function() { + return false; + }; - ItemSet.prototype = new Component(); + // also the disable onselectstart + if(props.userSelect == 'none') { + element.onselectstart = falseFn; + } + // and disable ondragstart + if(props.userDrag == 'none') { + element.ondragstart = falseFn; + } + }, - // available item types will be registered here - ItemSet.types = { - background: BackgroundItem, - box: BoxItem, - range: RangeItem, - point: PointItem + /** + * 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(); + }); + } }; + /** - * Create the HTML DOM for the ItemSet + * @module hammer */ - ItemSet.prototype._create = function(){ - var frame = document.createElement('div'); - frame.className = 'itemset'; - frame['timeline-itemset'] = this; - this.dom.frame = frame; + /** + * @class Event + * @static + */ + var Event = Hammer.event = { + /** + * when touch events have been fired, this is true + * this is used to stop mouse events + * @property prevent_mouseevents + * @private + * @type {Boolean} + */ + preventMouseEvents: false, - // create background panel - var background = document.createElement('div'); - background.className = 'background'; - frame.appendChild(background); - this.dom.background = background; + /** + * if EVENT_START has been fired + * @property started + * @private + * @type {Boolean} + */ + started: false, - // create foreground panel - var foreground = document.createElement('div'); - foreground.className = 'foreground'; - frame.appendChild(foreground); - this.dom.foreground = foreground; + /** + * when the mouse is hold down, this is true + * @property should_detect + * @private + * @type {Boolean} + */ + shouldDetect: false, - // create axis panel - var axis = document.createElement('div'); - axis.className = 'axis'; - this.dom.axis = axis; + /** + * 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); + }); + }, - // create labelset - var labelSet = document.createElement('div'); - labelSet.className = 'labelset'; - this.dom.labelSet = labelSet; + /** + * 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); + }); + }, - // create ungrouped Group - this._updateUngrouped(); + /** + * 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 background Group - var backgroundGroup = new BackgroundGroup(BACKGROUND, null, this); - backgroundGroup.show(); - this.groups[BACKGROUND] = backgroundGroup; + var onTouchHandler = function onTouchHandler(ev) { + var srcType = ev.type.toLowerCase(), + isPointer = Hammer.HAS_POINTEREVENTS, + isMouse = Utils.inStr(srcType, 'mouse'), + triggerType; - // 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, { - prevent_default: true - }); + // 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; - // 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)); + // 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; + } - // single select (or unselect) when tapping an item - this.hammer.on('tap', this._onSelectItem.bind(this)); + // update the pointer event before entering the detection + if(isPointer && eventType != EVENT_END) { + PointerEvent.updatePointer(eventType, ev); + } - // multi select when holding mouse/touch, or on ctrl+click - this.hammer.on('hold', this._onMultiSelectItem.bind(this)); + // 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 item on doubletap - this.hammer.on('doubletap', this._onAddItem.bind(this)); + // ...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 + } - // attach to the DOM - this.show(); - }; + if(isPointer && eventType == EVENT_END) { + PointerEvent.updatePointer(eventType, ev); + } + }; - /** - * 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); + this.on(element, EVENT_TYPES[eventType], onTouchHandler); + return onTouchHandler; + }, - 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); - } - } - } - } + /** + * the core detection method + * this finds out what hammer-touch-events to trigger + * @method doDetect + * @param {Object} ev + * @param {String} eventType matches `EVENT_START|MOVE|END` + * @param {HTMLElement} element + * @param {Function} handler + * @return {String} triggerType matches `EVENT_START|MOVE|END` + */ + doDetect: function doDetect(ev, eventType, element, handler) { + var touchList = this.getTouchList(ev, eventType); + var touchListLength = touchList.length; + var triggerType = eventType; + var triggerChange = touchList.trigger; // used by fakeMultitouch plugin + var changedLength = touchListLength; - if ('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); - } - } + // 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; - // 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)'); + // keep track of how many touches have been removed + changedLength = touchList.length - ((ev.changedTouches) ? ev.changedTouches.length : 1); } - this.options[name] = fn; - } - }).bind(this); - ['onAdd', 'onUpdate', 'onRemove', 'onMove', 'onMoving'].forEach(addCallback); - // force the itemSet to refresh: options like orientation and margins may be changed - this.markDirty(); - } - }; + // 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; + } - /** - * Mark the ItemSet dirty so it will refresh everything with next redraw - */ - ItemSet.prototype.markDirty = function() { - this.groupIds = []; - this.stackDirty = true; - }; + // detection has been started, we keep track of this, see above + this.started = true; - /** - * Destroy the ItemSet - */ - ItemSet.prototype.destroy = function() { - this.hide(); - this.setItems(null); - this.setGroups(null); + // generate some event data, some basic information + var evData = this.collectEventData(element, triggerType, touchList, ev); - this.hammer = null; + // 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); + } - this.body = null; - this.conversion = null; - }; + // trigger a change (TOUCH, RELEASE) event, this means the length of the touches changed + if(triggerChange) { + evData.changedLength = changedLength; + evData.eventType = triggerChange; - /** - * 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); - } + handler.call(Detection, evData); - // remove the axis with dots - if (this.dom.axis.parentNode) { - this.dom.axis.parentNode.removeChild(this.dom.axis); - } + evData.eventType = triggerType; + delete evData.changedLength; + } - // remove the labelset containing all group labels - if (this.dom.labelSet.parentNode) { - this.dom.labelSet.parentNode.removeChild(this.dom.labelSet); - } - }; + // trigger the END event + if(triggerType == EVENT_END) { + handler.call(Detection, evData); - /** - * 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); - } + // ...and we are done with the detection + // so reset everything to start each detection totally fresh + this.started = false; + } - // show axis with dots - if (!this.dom.axis.parentNode) { - this.body.dom.backgroundVertical.appendChild(this.dom.axis); - } + return triggerType; + }, - // show labelset containing labels - if (!this.dom.labelSet.parentNode) { - this.body.dom.left.appendChild(this.dom.labelSet); - } - }; + /** + * 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' + ]; + } - /** - * Set selected items by their id. Replaces the current selection - * Unknown id's are silently ignored. - * @param {string[] | string} [ids] An array with zero or more id's of the items to be - * selected, or a single item id. If ids is undefined - * or an empty array, all items will be unselected. - */ - ItemSet.prototype.setSelection = function(ids) { - var i, ii, id, item; + EVENT_TYPES[EVENT_START] = types[0]; + EVENT_TYPES[EVENT_MOVE] = types[1]; + EVENT_TYPES[EVENT_END] = types[2]; + return EVENT_TYPES; + }, - if (ids == undefined) ids = []; - if (!Array.isArray(ids)) ids = [ids]; + /** + * 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(); + } - // 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(); - } + // get the touchlist + if(ev.touches) { + if(eventType == EVENT_MOVE) { + return ev.touches; + } - // 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(); - } - } - }; + var identifiers = []; + var concat = [].concat(Utils.toArray(ev.touches), Utils.toArray(ev.changedTouches)); + var touchList = []; - /** - * Get the selected items by their id - * @return {Array} ids The ids of the selected items - */ - ItemSet.prototype.getSelection = function() { - return this.selection.concat([]); - }; + Utils.each(concat, function(touch) { + if(Utils.inArray(identifiers, touch.identifier) === false) { + touchList.push(touch); + } + identifiers.push(touch.identifier); + }); - /** - * Get the id's of the currently visible items. - * @returns {Array} The ids of the visible items - */ - ItemSet.prototype.getVisibleItems = function() { - var range = this.body.range.getRange(); - var left = this.body.util.toScreen(range.start); - var right = this.body.util.toScreen(range.end); + return touchList; + } - var ids = []; - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - var group = this.groups[groupId]; - var rawVisibleItems = group.visibleItems; + // make fake touchList from mouse position + ev.identifier = 1; + return [ev]; + }, - // 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); + /** + * 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 ids; + 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(); + }, + + /** + * 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(); + } + }; + } }; + /** - * Deselect a selected item - * @param {String | Number} id - * @private + * @module hammer + * + * @class PointerEvent + * @static */ - ItemSet.prototype._deselect = function(id) { - var selection = this.selection; - for (var i = 0, ii = selection.length; i < ii; i++) { - if (selection[i] == id) { // non-strict comparison! - selection.splice(i, 1); - break; + var 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; + }, + + /** + * 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; + } + + var pt = ev.pointerType, + types = {}; + + types[POINTER_MOUSE] = (pt === (ev.MSPOINTER_TYPE_MOUSE || POINTER_MOUSE)); + types[POINTER_TOUCH] = (pt === (ev.MSPOINTER_TYPE_TOUCH || POINTER_TOUCH)); + types[POINTER_PEN] = (pt === (ev.MSPOINTER_TYPE_PEN || POINTER_PEN)); + return types[pointerType]; + }, + + /** + * reset the stored pointers + * @method reset + */ + reset: function resetList() { + this.pointers = {}; } - } }; + /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * @module hammer + * + * @class Detection + * @static */ - ItemSet.prototype.redraw = function() { - var margin = this.options.margin, - range = this.body.range, - asSize = util.option.asSize, - options = this.options, - orientation = options.orientation, - resized = false, - frame = this.dom.frame, - editable = options.editable.updateTime || options.editable.updateGroup; + var Detection = Hammer.detection = { + // contains all registred Hammer.gestures in the correct order + gestures: [], - // 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; + // data of the current Hammer.gesture detection session + current: null, - // update class name - frame.className = 'itemset' + (editable ? ' editable' : ''); + // the previous Hammer.gesture session data + // is a full clone of the previous gesture.current object + previous: null, - // reorder the groups (if needed) - resized = this._orderGroups() || resized; + // when this becomes true, no gestures are fired + stopped: false, - // 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; + /** + * 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; + } - var restack = this.stackDirty; - var firstGroup = this._firstGroup(); - var firstMargin = { - item: margin.item, - axis: margin.axis - }; - var nonFirstMargin = { - item: margin.item, - axis: margin.item.vertical / 2 - }; - var height = 0; - var minHeight = margin.axis + margin.item.vertical; + this.stopped = false; - // redraw the background group - this.groups[BACKGROUND].redraw(range, nonFirstMargin, restack); + // 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 + }; - // 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; + this.detect(eventData); + }, - // update frame height - frame.style.height = asSize(height); + /** + * Hammer.gesture detection + * @method detect + * @param {Object} eventData + * @return {any} + */ + detect: function detect(eventData) { + if(!this.current || this.stopped) { + return; + } - // calculate actual size - this.props.width = frame.offsetWidth; - this.props.height = height; + // extend event data with calculations about scale, distance etc + eventData = this.extendEventData(eventData); - // 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'; + // hammer instance and instance options + var inst = this.current.inst, + instOptions = inst.options; - // check if this component is resized - resized = this._isResized() || resized; + // call Hammer.gesture handlers + Utils.each(this.gestures, function triggerGesture(gesture) { + // only when the instance options have enabled this gesture + if(!this.stopped && inst.enabled && instOptions[gesture.name]) { + gesture.handler.call(gesture, eventData, inst); + } + }, this); - return resized; - }; + // store as previous event event + if(this.current) { + this.current.lastEvent = eventData; + } - /** - * Get the first group, aligned with the axis - * @return {Group | null} firstGroup - * @private - */ - ItemSet.prototype._firstGroup = function() { - var firstGroupIndex = (this.options.orientation == 'top') ? 0 : (this.groupIds.length - 1); - var firstGroupId = this.groupIds[firstGroupIndex]; - var firstGroup = this.groups[firstGroupId] || this.groups[UNGROUPED]; + if(eventData.eventType == EVENT_END) { + this.stopDetect(); + } - return firstGroup || null; - }; + return eventData; + }, - /** - * Create or delete the group holding all ungrouped items. This group is used when - * there are no groups specified. - * @protected - */ - ItemSet.prototype._updateUngrouped = function() { - var ungrouped = this.groups[UNGROUPED]; - var background = this.groups[BACKGROUND]; - var item, itemId; + /** + * 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); - if (this.groupsData) { - // remove the group holding all ungrouped items - if (ungrouped) { - ungrouped.hide(); - delete this.groups[UNGROUPED]; + // reset the current + this.current = null; + this.stopped = true; + }, - 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; + /** + * 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; - for (itemId in this.items) { - if (this.items.hasOwnProperty(itemId)) { - item = this.items[itemId]; - ungrouped.add(item); + 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; } - } - ungrouped.show(); - } - } - }; + if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { + cur.futureCalcEvent = ev; + } - /** - * Get the element for the labelset - * @return {HTMLElement} labelSet - */ - ItemSet.prototype.getLabelSet = function() { - return this.dom.labelSet; - }; + 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 items - * @param {vis.DataSet | null} items - */ - ItemSet.prototype.setItems = function(items) { - var me = this, - ids, - oldItemsData = this.itemsData; + cur.lastCalcEvent = cur.futureCalcEvent || ev; + cur.futureCalcEvent = ev; + } - // 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'); - } + ev.velocityX = calcData.velocity.x; + ev.velocityY = calcData.velocity.y; + ev.interimAngle = calcData.angle; + ev.interimDirection = calcData.direction; + }, - if (oldItemsData) { - // unsubscribe from old dataset - util.forEach(this.itemListeners, function (callback, event) { - oldItemsData.off(event, callback); - }); + /** + * 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; - // remove all drawn items - ids = oldItemsData.getIds(); - this._onRemove(ids); - } + // update the start touchlist to calculate the scale/rotation + if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { + startEv.touches = []; + Utils.each(ev.touches, function(touch) { + startEv.touches.push({ + clientX: touch.clientX, + clientY: touch.clientY + }); + }); + } - if (this.itemsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.itemListeners, function (callback, event) { - me.itemsData.on(event, callback, id); - }); + var deltaTime = ev.timeStamp - startEv.timeStamp, + deltaX = ev.center.clientX - startEv.center.clientX, + deltaY = ev.center.clientY - startEv.center.clientY; - // add all new items - ids = this.itemsData.getIds(); - this._onAdd(ids); + this.getCalculatedData(ev, lastEv.center, deltaTime, deltaX, deltaY); - // update the group holding all ungrouped items - this._updateUngrouped(); - } - }; + Utils.extend(ev, { + startEvent: startEv, - /** - * Get the current items - * @returns {vis.DataSet | null} - */ - ItemSet.prototype.getItems = function() { - return this.itemsData; - }; + deltaTime: deltaTime, + deltaX: deltaX, + deltaY: deltaY, - /** - * Set groups - * @param {vis.DataSet} groups - */ - ItemSet.prototype.setGroups = function(groups) { - var me = this, - ids; + 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) + }); - // unsubscribe from current dataset - if (this.groupsData) { - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.unsubscribe(event, callback); - }); + return ev; + }, - // remove all drawn groups - ids = this.groupsData.getIds(); - this.groupsData = null; - this._onRemoveGroups(ids); // note: this will cause a redraw - } - - // replace the dataset - if (!groups) { - this.groupsData = null; - } - else if (groups instanceof DataSet || groups instanceof DataView) { - this.groupsData = groups; - } - else { - throw new TypeError('Data must be an instance of DataSet or DataView'); - } + /** + * register new gesture + * @method register + * @param {Object} gesture object, see `gestures/` for documentation + * @return {Array} gestures + */ + register: function register(gesture) { + // add an enable gesture options if there is no given + var options = gesture.defaults || {}; + if(options[gesture.name] === undefined) { + options[gesture.name] = true; + } - if (this.groupsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.on(event, callback, id); - }); + // extend Hammer default options with the Hammer.gesture options + Utils.extend(Hammer.defaults, options, true); - // draw all ms - ids = this.groupsData.getIds(); - this._onAddGroups(ids); - } + // set its index + gesture.index = gesture.index || 1000; - // update the group holding all ungrouped items - this._updateUngrouped(); + // add Hammer.gesture to the list + this.gestures.push(gesture); - // update the order of all items in each group - this._order(); + // sort the list by index + this.gestures.sort(function(a, b) { + if(a.index < b.index) { + return -1; + } + if(a.index > b.index) { + return 1; + } + return 0; + }); - this.body.emitter.emit('change', {queue: true}); + return this.gestures; + } }; - /** - * Get the current groups - * @returns {vis.DataSet | null} groups - */ - ItemSet.prototype.getGroups = function() { - return this.groupsData; - }; /** - * Remove an item by its id - * @param {String | Number} id + * @module hammer */ - ItemSet.prototype.removeItem = function(id) { - var item = this.itemsData.get(id), - dataset = this.itemsData.getDataSet(); - - if (item) { - // confirm deletion - this.options.onRemove(item, function (item) { - if (item) { - // remove by id here, it is possible that an item has no id defined - // itself, so better not delete by the item itself - dataset.remove(id); - } - }); - } - }; /** - * Get the time of an item based on it's data and options.type - * @param {Object} itemData - * @returns {string} Returns the type - * @private + * create new hammer instance + * all methods should return the instance itself, so it is chainable. + * + * @class Instance + * @constructor + * @param {HTMLElement} element + * @param {Object} [options={}] options are merged with `Hammer.defaults` + * @return {Hammer.Instance} */ - ItemSet.prototype._getType = function (itemData) { - return itemData.type || this.options.type || (itemData.end ? 'range' : 'box'); - }; + Hammer.Instance = function(element, options) { + var self = this; + // setup HammerJS window events and register all gestures + // this also sets up the default options + setup(); - /** - * Get the group id for an item - * @param {Object} itemData - * @returns {string} Returns the groupId - * @private - */ - ItemSet.prototype._getGroupId = function (itemData) { - var type = this._getType(itemData); - if (type == 'background' && itemData.group == undefined) { - return BACKGROUND; - } - else { - return this.groupsData ? itemData.group : UNGROUPED; - } - }; + /** + * @property element + * @type {HTMLElement} + */ + this.element = element; - /** - * Handle updated items - * @param {Number[]} ids - * @protected - */ - ItemSet.prototype._onUpdate = function(ids) { - var me = this; + /** + * @property enabled + * @type {Boolean} + * @protected + */ + this.enabled = true; - ids.forEach(function (id) { - var itemData = me.itemsData.get(id, me.itemOptions); - var item = me.items[id]; - var type = me._getType(itemData); + /** + * options, merged with the defaults + * options with an _ are converted to camelCase + * @property options + * @type {Object} + */ + Utils.each(options, function(value, name) { + delete options[name]; + options[Utils.toCamelCase(name)] = value; + }); - var constructor = ItemSet.types[type]; + this.options = Utils.extend(Utils.extend({}, Hammer.defaults), options || {}); - 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); - } + // 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 (!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 + '"'); - } - } - }); + /** + * event start handler on the element to start the detection + * @property eventStartHandler + * @type {Object} + */ + this.eventStartHandler = Event.onTouch(element, EVENT_START, function(ev) { + if(self.enabled && ev.eventType == EVENT_START) { + Detection.startDetect(self, ev); + } else if(ev.eventType == EVENT_TOUCH) { + Detection.detect(ev); + } + }); - this._order(); - this.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change', {queue: true}); + /** + * keep a list of user event handlers which needs to be removed when calling 'dispose' + * @property eventHandlers + * @type {Array} + */ + this.eventHandlers = []; }; - /** - * Handle added items - * @param {Number[]} ids - * @protected - */ - ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; + 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; + }, - /** - * 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); - } - }); + /** + * unbind events to the instance + * @method off + * @chainable + * @param {String} gestures + * @param {Function} handler + */ + off: function offEvent(gestures, handler) { + var self = this; - if (count) { - // update order - this._order(); - this.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change', {queue: true}); - } - }; + 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; + }, - /** - * Update the order of item in all groups - * @private - */ - ItemSet.prototype._order = function() { - // reorder the items in all groups - // TODO: optimization: only reorder groups affected by the changed items - util.forEach(this.groups, function (group) { - group.order(); - }); - }; + /** + * trigger gesture event + * @method trigger + * @chainable + * @param {String} gesture + * @param {Object} [eventData] + */ + trigger: function triggerEvent(gesture, eventData) { + // optional + if(!eventData) { + eventData = {}; + } - /** - * Handle updated groups - * @param {Number[]} ids - * @private - */ - ItemSet.prototype._onUpdateGroups = function(ids) { - this._onAddGroups(ids); - }; + // create DOM event + var event = Hammer.DOCUMENT.createEvent('Event'); + event.initEvent(gesture, true, true); + event.gesture = eventData; - /** - * Handle changed groups (added or updated) - * @param {Number[]} ids - * @private - */ - ItemSet.prototype._onAddGroups = function(ids) { - var me = this; + // 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; + } - ids.forEach(function (id) { - var groupData = me.groupsData.get(id); - var group = me.groups[id]; + element.dispatchEvent(event); + return this; + }, - if (!group) { - // check for reserved ids - if (id == UNGROUPED || id == BACKGROUND) { - throw new Error('Illegal group id. ' + id + ' is a reserved id.'); - } + /** + * enable of disable hammer.js detection + * @method enable + * @chainable + * @param {Boolean} state + */ + enable: function enable(state) { + this.enabled = state; + return this; + }, - var groupOptions = Object.create(me.options); - util.extend(groupOptions, { - height: null - }); + /** + * dispose this hammer instance + * @method dispose + * @return {Null} + */ + dispose: function dispose() { + var i, eh; - group = new Group(id, groupData, me); - me.groups[id] = group; + // undo all changes made by stop_browser_behavior + Utils.toggleBehavior(this.element, this.options.behavior, false); - // 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); - } + // unbind all custom event handlers + for(i = -1; (eh = this.eventHandlers[++i]);) { + Utils.off(this.element, eh.gesture, eh.handler); } - } - - group.order(); - group.show(); - } - else { - // update group - group.setData(groupData); - } - }); - this.body.emitter.emit('change', {queue: true}); - }; + this.eventHandlers = []; - /** - * Handle removed groups - * @param {Number[]} ids - * @private - */ - ItemSet.prototype._onRemoveGroups = function(ids) { - var groups = this.groups; - ids.forEach(function (id) { - var group = groups[id]; + // unbind the start event listener + Event.off(this.element, EVENT_TYPES[EVENT_START], this.eventStartHandler); - if (group) { - group.hide(); - delete groups[id]; + return null; } - }); - - this.markDirty(); - - this.body.emitter.emit('change', {queue: true}); }; + /** - * Reorder the groups if needed - * @return {boolean} changed - * @private + * @module gestures */ - ItemSet.prototype._orderGroups = function () { - if (this.groupsData) { - // reorder the groups - var groupIds = this.groupsData.getIds({ - order: this.options.groupOrder - }); - - var changed = !util.equalArray(groupIds, this.groupIds); - if (changed) { - // hide all groups, removes them from the DOM - var groups = this.groups; - groupIds.forEach(function (groupId) { - groups[groupId].hide(); - }); - - // show the groups again, attach them to the DOM in correct order - groupIds.forEach(function (groupId) { - groups[groupId].show(); - }); - - this.groupIds = groupIds; - } - - return changed; - } - else { - return false; - } - }; - /** - * Add a new item - * @param {Item} item - * @private + * Move with x fingers (default 1) around on the page. + * Preventing the default browser behavior is a good way to improve feel and working. + * ```` + * hammertime.on("drag", function(ev) { + * console.log(ev); + * ev.gesture.preventDefault(); + * }); + * ```` + * + * @class Drag + * @static */ - ItemSet.prototype._addItem = function(item) { - this.items[item.id] = item; - - // add to group - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - if (group) group.add(item); - }; - /** - * Update an existing item - * @param {Item} item - * @param {Object} itemData - * @private + * @event drag + * @param {Object} ev + */ + /** + * @event dragstart + * @param {Object} ev + */ + /** + * @event dragend + * @param {Object} ev + */ + /** + * @event drapleft + * @param {Object} ev + */ + /** + * @event dragright + * @param {Object} ev + */ + /** + * @event dragup + * @param {Object} ev + */ + /** + * @event dragdown + * @param {Object} ev */ - ItemSet.prototype._updateItem = function(item, itemData) { - var oldGroupId = item.data.group; - - // update the items data (will redraw the item when displayed) - item.setData(itemData); - - // update group - if (oldGroupId != item.data.group) { - var oldGroup = this.groups[oldGroupId]; - if (oldGroup) oldGroup.remove(item); - - var groupId = this._getGroupId(item.data); - var group = this.groups[groupId]; - if (group) group.add(item); - } - }; /** - * Delete an item from the ItemSet: remove it from the DOM, from the map - * with items, and from the map with visible items, and from the selection - * @param {Item} item - * @private + * @param {String} name */ - ItemSet.prototype._removeItem = function(item) { - // remove from DOM - item.hide(); + (function(name) { + var triggered = false; - // remove from items - delete this.items[item.id]; + function dragGesture(ev, inst) { + var cur = Detection.current; - // remove from selection - var index = this.selection.indexOf(item.id); - if (index != -1) this.selection.splice(index, 1); + // max touches + if(inst.options.dragMaxTouches > 0 && + ev.touches.length > inst.options.dragMaxTouches) { + return; + } - // remove from group - item.parent && item.parent.remove(item); - }; + switch(ev.eventType) { + case EVENT_START: + triggered = false; + break; - /** - * Create an array containing all items being a range (having an end date) - * @param array - * @returns {Array} - * @private - */ - ItemSet.prototype._constructByEndArray = function(array) { - var endArray = []; + case EVENT_MOVE: + // when the distance we moved is too small we skip this gesture + // or we can be already in dragging + if(ev.distance < inst.options.dragMinDistance && + cur.name != name) { + return; + } - for (var i = 0; i < array.length; i++) { - if (array[i] instanceof RangeItem) { - endArray.push(array[i]); - } - } - return endArray; - }; + var startCenter = cur.startEvent.center; - /** - * Register the clicked item on touch, before dragStart is initiated. - * - * dragStart is initiated from a mousemove event, which can have left the item - * already resulting in an item == null - * - * @param {Event} event - * @private - */ - ItemSet.prototype._onTouch = function (event) { - // store the touched item, used in _onDragStart - this.touchParams.item = ItemSet.itemFromTarget(event); - }; + // we are dragging! + if(cur.name != name) { + cur.name = name; + if(inst.options.dragDistanceCorrection && ev.distance > 0) { + // When a drag is triggered, set the event center to dragMinDistance pixels from the original event center. + // Without this correction, the dragged distance would jumpstart at dragMinDistance pixels instead of at 0. + // It might be useful to save the original start point somewhere + var factor = Math.abs(inst.options.dragMinDistance / ev.distance); + startCenter.pageX += ev.deltaX * factor; + startCenter.pageY += ev.deltaY * factor; + startCenter.clientX += ev.deltaX * factor; + startCenter.clientY += ev.deltaY * factor; - /** - * Start dragging the selected events - * @param {Event} event - * @private - */ - ItemSet.prototype._onDragStart = function (event) { - if (!this.options.editable.updateTime && !this.options.editable.updateGroup) { - return; - } + // recalculate event data using new start point + ev = Detection.extendEventData(ev); + } + } - var item = this.touchParams.item || null; - var me = this; - var props; + // lock drag to axis? + if(cur.lastEvent.dragLockToAxis || + ( inst.options.dragLockToAxis && + inst.options.dragLockMinDistance <= ev.distance + )) { + ev.dragLockToAxis = true; + } - if (item && item.selected) { - var dragLeftItem = event.target.dragLeftItem; - var dragRightItem = event.target.dragRightItem; + // keep direction on the axis that the drag gesture started on + var lastDirection = cur.lastEvent.direction; + if(ev.dragLockToAxis && lastDirection !== ev.direction) { + if(Utils.isVertical(lastDirection)) { + ev.direction = (ev.deltaY < 0) ? DIRECTION_UP : DIRECTION_DOWN; + } else { + ev.direction = (ev.deltaX < 0) ? DIRECTION_LEFT : DIRECTION_RIGHT; + } + } - if (dragLeftItem) { - props = { - item: dragLeftItem, - initialX: event.gesture.center.clientX - }; + // first time, trigger dragstart event + if(!triggered) { + inst.trigger(name + 'start', ev); + triggered = true; + } - if (me.options.editable.updateTime) { - props.start = item.data.start.valueOf(); - } - if (me.options.editable.updateGroup) { - if ('group' in item.data) props.group = item.data.group; - } + // trigger events + inst.trigger(name, ev); + inst.trigger(name + ev.direction, ev); - this.touchParams.itemProps = [props]; - } - else if (dragRightItem) { - props = { - item: dragRightItem, - initialX: event.gesture.center.clientX - }; + var isVertical = Utils.isVertical(ev.direction); - if (me.options.editable.updateTime) { - props.end = item.data.end.valueOf(); - } - if (me.options.editable.updateGroup) { - if ('group' in item.data) props.group = item.data.group; - } + // block the browser events + if((inst.options.dragBlockVertical && isVertical) || + (inst.options.dragBlockHorizontal && !isVertical)) { + ev.preventDefault(); + } + break; - this.touchParams.itemProps = [props]; - } - else { - this.touchParams.itemProps = this.getSelection().map(function (id) { - var item = me.items[id]; - var props = { - item: item, - initialX: event.gesture.center.clientX - }; + case EVENT_RELEASE: + if(triggered && ev.changedLength <= inst.options.dragMaxTouches) { + inst.trigger(name + 'end', ev); + triggered = false; + } + break; - if (me.options.editable.updateTime) { - if ('start' in item.data) props.start = item.data.start.valueOf(); - if ('end' in item.data) props.end = item.data.end.valueOf(); - } - if (me.options.editable.updateGroup) { - if ('group' in item.data) props.group = item.data.group; + case EVENT_END: + triggered = false; + break; } - - return props; - }); } - event.stopPropagation(); - } - }; + 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, - /** - * Drag selected items - * @param {Event} event - * @private - */ - ItemSet.prototype._onDrag = function (event) { - if (this.touchParams.itemProps) { - var me = this; - var snap = this.body.util.snap || null; - var xOffset = this.body.dom.root.offsetLeft + this.body.domProps.left.width; + /** + * Set dragDistanceCorrection to true to make the starting point of the drag + * be calculated from where the drag was triggered, not from where the touch started. + * Useful to avoid a jerk-starting drag, which can make fine-adjustments + * through dragging difficult, and be visually unappealing. + * @property dragDistanceCorrection + * @type {Boolean} + * @default true + */ + dragDistanceCorrection: true, - // move - this.touchParams.itemProps.forEach(function (props) { - var newProps = {}; - var current = me.body.util.toTime(event.gesture.center.clientX - xOffset); - var initial = me.body.util.toTime(props.initialX - xOffset); - var offset = current - initial; + /** + * set 0 for unlimited, but this can conflict with transform + * @property dragMaxTouches + * @type {Number} + * @default 1 + */ + dragMaxTouches: 1, - if ('start' in props) { - var start = new Date(props.start + offset); - newProps.start = snap ? snap(start) : start; - } + /** + * prevent default browser behavior when dragging occurs + * be careful with it, it makes the element a blocking element + * when you are using the drag gesture, it is a good practice to set this true + * @property dragBlockHorizontal + * @type {Boolean} + * @default false + */ + dragBlockHorizontal: false, - if ('end' in props) { - var end = new Date(props.end + offset); - newProps.end = snap ? snap(end) : end; - } + /** + * same as `dragBlockHorizontal`, but for vertical movement + * @property dragBlockVertical + * @type {Boolean} + * @default false + */ + dragBlockVertical: false, - if ('group' in props) { - // drag from one group to another - var group = ItemSet.groupFromTarget(event); - newProps.group = group && group.groupId; - } + /** + * dragLockToAxis keeps the drag gesture on the axis that it started on, + * It disallows vertical directions if the initial direction was horizontal, and vice versa. + * @property dragLockToAxis + * @type {Boolean} + * @default false + */ + dragLockToAxis: false, - // confirm moving the item - var itemData = util.extend({}, props.item.data, newProps); - me.options.onMoving(itemData, function (itemData) { - if (itemData) { - me._updateItemProps(props.item, itemData); + /** + * drag lock only kicks in when distance > dragLockMinDistance + * This way, locking occurs only when the distance has become large enough to reliably determine the direction + * @property dragLockMinDistance + * @type {Number} + * @default 25 + */ + dragLockMinDistance: 25 } - }); - }); - - this.stackDirty = true; // force re-stacking of all items next redraw - this.body.emitter.emit('change'); - - event.stopPropagation(); - } - }; + }; + })('drag'); /** - * Update an items properties - * @param {Item} item - * @param {Object} props Can contain properties start, end, and group. - * @private + * @module gestures */ - ItemSet.prototype._updateItemProps = function(item, props) { - // TODO: copy all properties from props to item? (also new ones) - if ('start' in props) item.data.start = props.start; - if ('end' in props) item.data.end = props.end; - if ('group' in props && item.data.group != props.group) { - this._moveToGroup(item, props.group) - } - }; - /** - * Move an item to another group - * @param {Item} item - * @param {String | Number} groupId - * @private + * trigger a simple gesture event, so you can do anything in your handler. + * only usable if you know what your doing... + * + * @class Gesture + * @static */ - ItemSet.prototype._moveToGroup = function(item, groupId) { - var group = this.groups[groupId]; - if (group && group.groupId != item.data.group) { - var oldGroup = item.parent; - oldGroup.remove(item); - oldGroup.order(); - group.add(item); - group.order(); - - item.data.group = group.groupId; - } - }; - /** - * End of dragging selected items - * @param {Event} event - * @private + * @event gesture + * @param {Object} ev */ - ItemSet.prototype._onDragEnd = function (event) { - if (this.touchParams.itemProps) { - // prepare a change set for the changed items - var changes = [], - me = this, - dataset = this.itemsData.getDataSet(); - - var itemProps = this.touchParams.itemProps ; - this.touchParams.itemProps = null; - itemProps.forEach(function (props) { - var id = props.item.id, - itemData = me.itemsData.get(id, me.itemOptions); - - var changed = false; - if ('start' in props.item.data) { - changed = (props.start != props.item.data.start.valueOf()); - itemData.start = util.convert(props.item.data.start, - dataset._options.type && dataset._options.type.start || 'Date'); - } - if ('end' in props.item.data) { - changed = changed || (props.end != props.item.data.end.valueOf()); - itemData.end = util.convert(props.item.data.end, - dataset._options.type && dataset._options.type.end || 'Date'); - } - if ('group' in props.item.data) { - changed = changed || (props.group != props.item.data.group); - itemData.group = props.item.data.group; - } - - // only apply changes when start or end is actually changed - if (changed) { - me.options.onMove(itemData, function (itemData) { - if (itemData) { - // apply changes - itemData[dataset._fieldId] = id; // ensure the item contains its id (can be undefined) - changes.push(itemData); - } - else { - // restore original values - me._updateItemProps(props.item, props); - - me.stackDirty = true; // force re-stacking of all items next redraw - me.body.emitter.emit('change'); - } - }); - } - }); - - // apply the changes to the data (if there are changes) - if (changes.length) { - dataset.update(changes); + Hammer.gestures.Gesture = { + name: 'gesture', + index: 1337, + handler: function releaseGesture(ev, inst) { + inst.trigger(this.name, ev); } - - event.stopPropagation(); - } }; /** - * Handle selecting/deselecting an item when tapping it - * @param {Event} event - * @private + * @module gestures + */ + /** + * Touch stays at the same place for x time + * + * @class Hold + * @static + */ + /** + * @event hold + * @param {Object} ev */ - ItemSet.prototype._onSelectItem = function (event) { - if (!this.options.selectable) return; - - var ctrlKey = event.gesture.srcEvent && event.gesture.srcEvent.ctrlKey; - var shiftKey = event.gesture.srcEvent && event.gesture.srcEvent.shiftKey; - if (ctrlKey || shiftKey) { - this._onMultiSelectItem(event); - return; - } - - var oldSelection = this.getSelection(); - - var item = ItemSet.itemFromTarget(event); - var selection = item ? [item.id] : []; - this.setSelection(selection); - - var newSelection = this.getSelection(); - - // 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: this.getSelection() - }); - } - }; /** - * Handle creation and updates of an item on double tap - * @param event - * @private + * @param {String} name */ - ItemSet.prototype._onAddItem = function (event) { - if (!this.options.selectable) return; - if (!this.options.editable.add) return; + (function(name) { + var timer; - var me = this, - snap = this.body.util.snap || null, - item = ItemSet.itemFromTarget(event); + function holdGesture(ev, inst) { + var options = inst.options, + current = Detection.current; - if (item) { - // update item + switch(ev.eventType) { + case EVENT_START: + clearTimeout(timer); - // 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.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' - }; + // set the gesture so we can check in the timeout if it still is + current.name = name; - // 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; - } + // 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; - newItem[this.itemsData._fieldId] = util.randomUUID(); + case EVENT_MOVE: + if(ev.distance > options.holdThreshold) { + clearTimeout(timer); + } + break; - var group = ItemSet.groupFromTarget(event); - if (group) { - newItem.group = group.groupId; + case EVENT_RELEASE: + clearTimeout(timer); + break; + } } - // execute async handler to customize (or cancel) adding an item - this.options.onAdd(newItem, function (item) { - if (item) { - me.itemsData.add(item); - // TODO: need to trigger a redraw? - } - }); - } - }; + Hammer.gestures.Hold = { + name: name, + index: 10, + defaults: { + /** + * @property holdTimeout + * @type {Number} + * @default 500 + */ + holdTimeout: 500, + + /** + * movement allowed while holding + * @property holdThreshold + * @type {Number} + * @default 2 + */ + holdThreshold: 2 + }, + handler: holdGesture + }; + })('hold'); /** - * Handle selecting/deselecting multiple items when holding an item - * @param {Event} event - * @private + * @module gestures */ - ItemSet.prototype._onMultiSelectItem = function (event) { - if (!this.options.selectable) return; - - var selection, - item = ItemSet.itemFromTarget(event); - - if (item) { - // multi select items - selection = this.getSelection(); // current selection - var index = selection.indexOf(item.id); - if (index == -1) { - // item is not yet selected -> select it - selection.push(item.id); - } - else { - // item is already selected -> deselect it - selection.splice(index, 1); - } - this.setSelection(selection); - - this.body.emitter.emit('select', { - items: this.getSelection() - }); - } - }; - /** - * 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 + * when a touch is being released from the page + * + * @class Release + * @static */ - ItemSet.itemFromTarget = function(event) { - var target = event.target; - while (target) { - if (target.hasOwnProperty('timeline-item')) { - return target['timeline-item']; - } - target = target.parentNode; - } - - return null; - }; - /** - * Find the Group from an event target: - * searches for the attribute 'timeline-group' in the event target's element tree - * @param {Event} event - * @return {Group | null} group + * @event release + * @param {Object} ev */ - ItemSet.groupFromTarget = function(event) { - var target = event.target; - while (target) { - if (target.hasOwnProperty('timeline-group')) { - return target['timeline-group']; + Hammer.gestures.Release = { + name: 'release', + index: Infinity, + handler: function releaseGesture(ev, inst) { + if(ev.eventType == EVENT_RELEASE) { + inst.trigger(this.name, ev); + } } - target = target.parentNode; - } - - return null; }; /** - * Find the ItemSet from an event target: - * searches for the attribute 'timeline-itemset' in the event target's element tree - * @param {Event} event - * @return {ItemSet | null} item + * @module gestures */ - ItemSet.itemSetFromTarget = function(event) { - var target = event.target; - while (target) { - if (target.hasOwnProperty('timeline-itemset')) { - return target['timeline-itemset']; - } - target = target.parentNode; - } - - return null; - }; - - module.exports = ItemSet; - - -/***/ }, -/* 28 */ -/***/ function(module, exports, __webpack_require__) { - - var util = __webpack_require__(1); - var DOMutil = __webpack_require__(2); - var Component = __webpack_require__(20); - /** - * Legend for Graph2d + * 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 */ - function Legend(body, options, side, linegraphOptions) { - this.body = body; - this.defaultOptions = { - enabled: true, - icons: true, - iconSize: 20, - iconSpacing: 6, - left: { - visible: true, - position: 'top-left' // top/bottom - left,center,right - }, - right: { - visible: true, - position: 'top-left' // top/bottom - left,center,right - } - } - this.side = side; - this.options = util.extend({},this.defaultOptions); - this.linegraphOptions = linegraphOptions; - - this.svgElements = {}; - this.dom = {}; - this.groups = {}; - this.amountOfGroups = 0; - this._create(); - - this.setOptions(options); - } - - Legend.prototype = new Component(); - - - Legend.prototype.addGroup = function(label, graphOptions) { - if (!this.groups.hasOwnProperty(label)) { - this.groups[label] = graphOptions; - } - this.amountOfGroups += 1; - }; + /** + * @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, - Legend.prototype.updateGroup = function(label, graphOptions) { - this.groups[label] = graphOptions; - }; + /** + * @property swipeMaxTouches + * @type {Number} + * @default 1 + */ + swipeMaxTouches: 1, - Legend.prototype.removeGroup = function(label) { - if (this.groups.hasOwnProperty(label)) { - delete this.groups[label]; - this.amountOfGroups -= 1; - } - }; + /** + * horizontal swipe velocity + * @property swipeVelocityX + * @type {Number} + * @default 0.6 + */ + swipeVelocityX: 0.6, - 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"; + /** + * vertical swipe velocity + * @property swipeVelocityY + * @type {Number} + * @default 0.6 + */ + swipeVelocityY: 0.6 + }, - this.dom.textArea = document.createElement('div'); - this.dom.textArea.className = 'legendText'; - this.dom.textArea.style.position = "relative"; - this.dom.textArea.style.top = "0px"; + handler: function swipeGesture(ev, inst) { + if(ev.eventType == EVENT_RELEASE) { + var touches = ev.touches.length, + options = inst.options; - 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%'; + // max touches + if(touches < options.swipeMinTouches || + touches > options.swipeMaxTouches) { + return; + } - this.dom.frame.appendChild(this.svg); - this.dom.frame.appendChild(this.dom.textArea); + // 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); + } + } + } }; /** - * Hide the component from the DOM + * @module gestures + */ + /** + * Single tap and a double tap on a place + * + * @class Tap + * @static + */ + /** + * @event tap + * @param {Object} ev + */ + /** + * @event doubletap + * @param {Object} ev */ - Legend.prototype.hide = function() { - // remove the frame containing the items - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - } - }; /** - * Show the component in the DOM (when not already visible). - * @return {Boolean} changed + * @param {String} name */ - Legend.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); - } - }; + (function(name) { + var hasMoved = false; - Legend.prototype.setOptions = function(options) { - var fields = ['enabled','orientation','icons','left','right']; - util.selectiveDeepExtend(fields, this.options, options); - }; + function tapGesture(ev, inst) { + var options = inst.options, + current = Detection.current, + prev = Detection.previous, + sincePrev, + didDoubleTap; - 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++; - } - } - } + switch(ev.eventType) { + case EVENT_START: + hasMoved = false; + break; - 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 = ''; - } + case EVENT_MOVE: + hasMoved = hasMoved || (ev.distance > options.tapMaxDistance); + break; - 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 { - this.dom.frame.style.bottom = 4 - Number(this.body.dom.center.style.top.replace("px","")) + 'px'; - this.dom.frame.style.top = ''; - } + 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.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(); - } + // check if double tap + if(prev && prev.name == name && + (sincePrev && sincePrev < options.doubleTapInterval) && + ev.distance < options.doubleTapDistance) { + inst.trigger('doubletap', ev); + didDoubleTap = true; + } - var content = ''; - for (var groupId in this.groups) { - if (this.groups.hasOwnProperty(groupId)) { - if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { - content += this.groups[groupId].content + '
'; + // do a single tap + if(!didDoubleTap || options.tapAlways) { + current.name = name; + inst.trigger(current.name, ev); + } + } + break; } - } } - this.dom.textArea.innerHTML = content; - this.dom.textArea.style.lineHeight = ((0.75 * this.options.iconSize) + this.options.iconSpacing) + 'px'; - } - }; - Legend.prototype.drawLegendIcons = function() { - if (this.dom.frame.parentNode) { - DOMutil.prepareElements(this.svgElements); - var padding = window.getComputedStyle(this.dom.frame).paddingTop; - var iconOffset = Number(padding.replace('px','')); - var x = iconOffset; - var iconWidth = this.options.iconSize; - var iconHeight = 0.75 * this.options.iconSize; - var y = iconOffset + 0.5 * iconHeight + 3; + Hammer.gestures.Tap = { + name: name, + index: 100, + handler: tapGesture, + defaults: { + /** + * max time of a tap, this is for the slow tappers + * @property tapMaxTime + * @type {Number} + * @default 250 + */ + tapMaxTime: 250, - this.svg.style.width = iconWidth + 5 + iconOffset + 'px'; + /** + * max distance of movement of a tap, this is for the slow tappers + * @property tapMaxDistance + * @type {Number} + * @default 10 + */ + tapMaxDistance: 10, - 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; - } - } - } + /** + * always trigger the `tap` event, even while double-tapping + * @property tapAlways + * @type {Boolean} + * @default true + */ + tapAlways: true, - DOMutil.cleanupElements(this.svgElements); - } - }; + /** + * max distance between two taps + * @property doubleTapDistance + * @type {Number} + * @default 20 + */ + doubleTapDistance: 20, - module.exports = Legend; + /** + * max time between two taps + * @property doubleTapInterval + * @type {Number} + * @default 300 + */ + doubleTapInterval: 300 + } + }; + })('tap'); + /** + * @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, -/***/ }, -/* 29 */ -/***/ function(module, exports, __webpack_require__) { + /** + * 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; + } - 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); + if(inst.options.preventDefault) { + ev.preventDefault(); + } - var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items + if(ev.eventType == EVENT_TOUCH) { + inst.trigger('touch', ev); + } + } + }; /** - * This is the constructor of the LineGraph. It requires a Timeline body and options. + * @module gestures + */ + /** + * User want to scale or rotate with 2 fingers + * Preventing the default browser behavior is a good way to improve feel and working. This can be done with the + * `preventDefault` option. * - * @param body - * @param options - * @constructor + * @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 */ - 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, - icons: false, - width: '40px', - visible: true, - customRange: { - left: {min:undefined, max:undefined}, - right: {min:undefined, max:undefined} - } - }, - 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: {} - } - }; - // 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; + /** + * @param {String} name + */ + (function(name) { + var triggered = false; - var me = this; - this.itemsData = null; // DataSet - this.groupsData = null; // DataSet + function transformGesture(ev, inst) { + switch(ev.eventType) { + case EVENT_START: + triggered = false; + break; - // 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); - } - }; + case EVENT_MOVE: + // at least multitouch + if(ev.touches.length < 2) { + return; + } - // 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); + 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; + } } - }; - 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 + Hammer.gestures.Transform = { + name: name, + index: 45, + defaults: { + /** + * minimal scale factor, no scale is 1, zoomin is to 0 and zoomout until higher then 1 + * @property transformMinScale + * @type {Number} + * @default 0.01 + */ + transformMinScale: 0.01, - this.svgElements = {}; - this.setOptions(options); - this.groupsUsingDefaultStyles = [0]; + /** + * rotation in degrees + * @property transformMinRotation + * @type {Number} + * @default 1 + */ + transformMinRotation: 1 + }, - this.body.emitter.on("rangechanged", function() { - me.lastStart = me.body.range.start; - me.svg.style.left = util.option.asSize(-me.width); - me._updateGraph.apply(me); - }); + handler: transformGesture + }; + })('transform'); - // create the HTML DOM - this._create(); - this.body.emitter.emit("change"); + /** + * @module hammer + */ + + // 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; } - LineGraph.prototype = new Component(); + })(window); + +/***/ }, +/* 21 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var hammerUtil = __webpack_require__(22); + var moment = __webpack_require__(2); + var Component = __webpack_require__(23); + var DateUtil = __webpack_require__(24); /** - * Create the HTML DOM for the ItemSet + * @constructor Range + * A Range controls a numeric range with a start and end value. + * The Range adjusts the range based on mouse events or programmatic changes, + * and triggers events when the range is changing or has been changed. + * @param {{dom: Object, domProps: Object, emitter: Emitter}} body + * @param {Object} [options] See description at Range.setOptions */ - LineGraph.prototype._create = function(){ - var frame = document.createElement('div'); - frame.className = 'LineGraph'; - this.dom.frame = frame; + 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 - // 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); + this.body = body; + this.deltaDifference = 0; + this.scaleOffset = 0; + this.startToFront = false; + this.endToFront = true; - // data axis - this.options.dataAxis.orientation = 'left'; - this.yAxisLeft = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); + // 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.options.dataAxis.orientation = 'right'; - this.yAxisRight = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); - delete this.options.dataAxis.orientation; + this.props = { + touch: {} + }; + this.animateTimer = null; - // 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); + // drag listeners for dragging + this.body.emitter.on('dragstart', this._onDragStart.bind(this)); + this.body.emitter.on('drag', this._onDrag.bind(this)); + this.body.emitter.on('dragend', this._onDragEnd.bind(this)); - this.show(); - }; + // 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(); /** - * set the options of the LineGraph. the mergeOptions is used for subObjects that have an enabled element. - * @param options + * Set options for the range controller + * @param {Object} options Available options: + * {Number | Date | String} start Start date for the range + * {Number | Date | String} end End date for the range + * {Number} min Minimum value for start + * {Number} max Maximum value for end + * {Number} zoomMin Set a minimum value for + * (end - start). + * {Number} zoomMax Set a maximum value for + * (end - start). + * {Boolean} moveable Enable moving of the range + * by dragging. True by default + * {Boolean} zoomable Enable zooming of the range + * by pinching/scrolling. True by default */ - LineGraph.prototype.setOptions = function(options) { + Range.prototype.setOptions = function (options) { if (options) { - var fields = ['sampling','defaultGroup','graphHeight','yAxisOrientation','style','barChart','dataAxis','sort','groups']; - 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'); + // copy the options that we know + var fields = ['direction', 'min', 'max', 'zoomMin', 'zoomMax', 'moveable', 'zoomable', 'activate', 'hiddenDates']; + util.selectiveExtend(fields, this.options, options); - 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 ('start' in options || 'end' in options) { + // apply a new range. both start and end are optional + this.setRange(options.start, options.end); } + } + }; - if (this.yAxisLeft) { - if (options.dataAxis !== undefined) { - this.yAxisLeft.setOptions(this.options.dataAxis); - this.yAxisRight.setOptions(this.options.dataAxis); - } - } + /** + * Test whether direction has a valid value + * @param {String} direction 'horizontal' or 'vertical' + */ + function validateDirection (direction) { + if (direction != 'horizontal' && direction != 'vertical') { + throw new TypeError('Unknown direction "' + direction + '". ' + + 'Choose "horizontal" or "vertical".'); + } + } - if (this.legendLeft) { - if (options.legend !== undefined) { - this.legendLeft.setOptions(this.options.legend); - this.legendRight.setOptions(this.options.legend); + /** + * Set a new start and end range + * @param {Date | Number | String} [start] + * @param {Date | Number | String} [end] + * @param {boolean | number} [animate=false] If true, the range is animated + * smoothly to the new window. + * If animate is a number, the + * number is taken as duration + * Default duration is 500 ms. + * + */ + Range.prototype.setRange = function(start, end, animate) { + var _start = start != undefined ? util.convert(start, 'Date').valueOf() : null; + var _end = end != undefined ? util.convert(end, 'Date').valueOf() : null; + this._cancelAnimation(); + + if (animate) { + var me = this; + var initStart = this.start; + var initEnd = this.end; + var duration = typeof animate === 'number' ? animate : 500; + var initTime = new Date().valueOf(); + var anyChanged = false; + + function next() { + if (!me.props.touch.dragging) { + var now = new Date().valueOf(); + var time = now - initTime; + var done = time > duration; + var s = (done || _start === null) ? _start : util.easeInOutQuad(time, initStart, _start, duration); + var e = (done || _end === null) ? _end : util.easeInOutQuad(time, initEnd, _end, duration); + + changed = me._applyRange(s, e); + DateUtil.updateHiddenDates(me.body, me.options.hiddenDates); + anyChanged = anyChanged || changed; + if (changed) { + me.body.emitter.emit('rangechange', {start: new Date(me.start), end: new Date(me.end)}); + } + + if (done) { + if (anyChanged) { + me.body.emitter.emit('rangechanged', {start: new Date(me.start), end: new Date(me.end)}); + } + } + else { + // animate with as high as possible frame rate, leave 20 ms in between + // each to prevent the browser from blocking + me.animateTimer = setTimeout(next, 20); + } } } - if (this.groups.hasOwnProperty(UNGROUPED)) { - this.groups[UNGROUPED].setOptions(options); - } + return next(); } - if (this.dom.frame) { - this._updateGraph(); + 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); + } } }; /** - * Hide the component from the DOM + * Stop an animation + * @private */ - LineGraph.prototype.hide = function() { - // remove the frame containing the items - if (this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); + Range.prototype._cancelAnimation = function () { + if (this.animateTimer) { + clearTimeout(this.animateTimer); + this.animateTimer = null; } }; /** - * Show the component in the DOM (when not already visible). + * Set a new start and end range. This method is the same as setRange, but + * does not trigger a range change and range changed event, and it returns + * true when the range is changed + * @param {Number} [start] + * @param {Number} [end] * @return {Boolean} changed + * @private */ - LineGraph.prototype.show = function() { - // show frame containing the items - if (!this.dom.frame.parentNode) { - this.body.dom.center.appendChild(this.dom.frame); - } - }; - - - /** - * Set items - * @param {vis.DataSet | null} items - */ - LineGraph.prototype.setItems = function(items) { - var me = this, - ids, - oldItemsData = this.itemsData; + 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; - // replace the dataset - if (!items) { - this.itemsData = null; - } - else if (items instanceof DataSet || items instanceof DataView) { - this.itemsData = items; + // check for valid number + if (isNaN(newStart) || newStart === null) { + throw new Error('Invalid start "' + start + '"'); } - else { - throw new TypeError('Data must be an instance of DataSet or DataView'); + if (isNaN(newEnd) || newEnd === null) { + throw new Error('Invalid end "' + end + '"'); } - 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); + // prevent start < end + if (newEnd < newStart) { + newEnd = newStart; } - if (this.itemsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.itemListeners, function (callback, event) { - me.itemsData.on(event, callback, id); - }); + // prevent start < min + if (min !== null) { + if (newStart < min) { + diff = (min - newStart); + newStart += diff; + newEnd += diff; - // add all new items - ids = this.itemsData.getIds(); - this._onAdd(ids); + // prevent end > max + if (max != null) { + if (newEnd > max) { + newEnd = max; + } + } + } } - this._updateUngrouped(); - this._updateGraph(); - this.redraw(); - }; - /** - * Set groups - * @param {vis.DataSet} groups - */ - LineGraph.prototype.setGroups = function(groups) { - var me = this, - ids; - - // unsubscribe from current dataset - if (this.groupsData) { - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.unsubscribe(event, callback); - }); + // prevent end > max + if (max !== null) { + if (newEnd > max) { + diff = (newEnd - max); + newStart -= diff; + newEnd -= diff; - // remove all drawn groups - ids = this.groupsData.getIds(); - this.groupsData = null; - this._onRemoveGroups(ids); // note: this will cause a redraw + // prevent start < min + if (min != null) { + if (newStart < min) { + newStart = min; + } + } + } } - // replace the dataset - if (!groups) { - this.groupsData = null; - } - else if (groups instanceof DataSet || groups instanceof DataView) { - this.groupsData = groups; + // 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; + } + } } - else { - throw new TypeError('Data must be an instance of DataSet or DataView'); + + // 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; + } + } } - if (this.groupsData) { - // subscribe to new dataset - var id = this.id; - util.forEach(this.groupListeners, function (callback, event) { - me.groupsData.on(event, callback, id); - }); + var changed = (this.start != newStart || this.end != newEnd); - // draw all ms - ids = this.groupsData.getIds(); - this._onAddGroups(ids); - } - this._onUpdate(); + this.start = newStart; + this.end = newEnd; + return changed; }; - /** - * Update the datapoints - * @param [ids] - * @private + * Retrieve the current range. + * @return {Object} An object with start and end properties */ - LineGraph.prototype._onUpdate = function(ids) { - this._updateUngrouped(); - this._updateAllGroupData(); - this._updateGraph(); - this.redraw(); - }; - LineGraph.prototype._onAdd = function (ids) {this._onUpdate(ids);}; - LineGraph.prototype._onRemove = function (ids) {this._onUpdate(ids);}; - LineGraph.prototype._onUpdateGroups = function (groupIds) { - for (var i = 0; i < groupIds.length; i++) { - var group = this.groupsData.get(groupIds[i]); - this._updateGroup(group, groupIds[i]); - } - - this._updateGraph(); - this.redraw(); + Range.prototype.getRange = function() { + return { + start: this.start, + end: this.end + }; }; - LineGraph.prototype._onAddGroups = function (groupIds) {this._onUpdateGroups(groupIds);}; - 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(); + /** + * Calculate the conversion offset and scale for current range, based on + * the provided width + * @param {Number} width + * @returns {{offset: number, scale: number}} conversion + */ + Range.prototype.conversion = function (width, totalHidden) { + return Range.conversion(this.start, this.end, width, totalHidden); }; /** - * update a group object - * - * @param group - * @param groupId - * @private + * 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 */ - 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]); + 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 { - 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 { + offset: 0, + scale: 1 + }; } - this.legendLeft.redraw(); - this.legendRight.redraw(); }; - 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]; - 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]); - } - } + /** + * 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; + + // 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; + + if (this.body.dom.root) { + this.body.dom.root.style.cursor = 'move'; } }; /** - * 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 + * Perform dragging operation + * @param {Event} event + * @private */ - LineGraph.prototype._updateUngrouped = function() { - if (this.itemsData && this.itemsData != null) { - var ungroupedCounter = 0; - for (var itemId in this.itemsData._data) { - if (this.itemsData._data.hasOwnProperty(itemId)) { - var item = this.itemsData._data[itemId]; - if (item != undefined) { - if (item.hasOwnProperty('group')) { - if (item.group === undefined) { - item.group = UNGROUPED; - } - } - else { - item.group = UNGROUPED; - } - ungroupedCounter = item.group == UNGROUPED ? ungroupedCounter + 1 : ungroupedCounter; - } - } - } + Range.prototype._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; - 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); + var direction = this.options.direction; + validateDirection(direction); + + var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY; + delta -= this.deltaDifference; + var interval = (this.props.touch.end - this.props.touch.start); + + // normalize dragging speed if cutout is in between. + var duration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + interval -= duration; + + 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; + + + // snapping times away from hidden zones + var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, this.previousDelta-delta, true); + var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, this.previousDelta-delta, true); + if (safeStart != newStart || safeEnd != newEnd) { + this.deltaDifference += delta; + this.props.touch.start = safeStart; + this.props.touch.end = safeEnd; + this._onDrag(event); + return; } - this.legendLeft.redraw(); - this.legendRight.redraw(); - }; + this.previousDelta = delta; + this._applyRange(newStart, newEnd); + // fire a rangechange event + this.body.emitter.emit('rangechange', { + start: new Date(this.start), + end: new Date(this.end) + }); + }; /** - * Redraw the component, mandatory function - * @return {boolean} Returns true if the component is resized + * Stop dragging operation + * @param {event} event + * @private */ - LineGraph.prototype.redraw = function() { - var resized = false; + Range.prototype._onDragEnd = function (event) { + // only allow dragging when configured as movable + if (!this.options.moveable) return; - this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; - if (this.lastWidth === undefined && this.width || this.lastWidth != this.width) { - resized = true; + // refuse to drag when we where pinching to prevent the timeline make a jump + // when releasing the fingers in opposite order from the touch screen + if (!this.props.touch.allowDragging) return; + + this.props.touch.dragging = false; + if (this.body.dom.root) { + this.body.dom.root.style.cursor = 'auto'; } - // check if this component is resized - resized = this._isResized() || resized; - // check whether zoomed (in that case we need to re-stack everything) - var visibleInterval = this.body.range.end - this.body.range.start; - var zoomed = (visibleInterval != this.lastVisibleInterval) || (this.width != this.lastWidth); - this.lastVisibleInterval = visibleInterval; - this.lastWidth = this.width; - // calculate actual size and position - this.width = this.dom.frame.offsetWidth; + // fire a rangechanged event + this.body.emitter.emit('rangechanged', { + start: new Date(this.start), + end: new Date(this.end) + }); + }; - // the svg element is three times as big as the width, this allows for fully dragging left and right - // without reloading the graph. the controls for this are bound to events in the constructor - if (resized == true) { - this.svg.style.width = util.option.asSize(3*this.width); - this.svg.style.left = util.option.asSize(-this.width); - } + /** + * Event handler for mouse wheel event, used to zoom + * Code from http://adomas.org/javascript-mouse-wheel/ + * @param {Event} event + * @private + */ + Range.prototype._onMouseWheel = function(event) { + // only allow zooming when configured as zoomable and moveable + if (!(this.options.zoomable && this.options.moveable)) return; - if (zoomed == true || this.abortedGraphUpdate == true) { - this._updateGraph(); + // 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; } - else { - // move the whole svg while dragging - if (this.lastStart != 0) { - var offset = this.body.range.start - this.lastStart; - var range = this.body.range.end - this.body.range.start; - if (this.width != 0) { - var rangePerPixelInv = this.width/range; - var xOffset = offset * rangePerPixelInv; - this.svg.style.left = (-this.width - xOffset) + "px"; - } + + // 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); - this.legendLeft.redraw(); - this.legendRight.redraw(); + this.zoom(scale, pointerDate, delta); + } - return resized; + // Prevent default actions caused by mouse wheel + // (else the page and timeline both zoom and scroll) + event.preventDefault(); }; /** - * Update and redraw the graph. - * + * Start of a touch gesture + * @private */ - LineGraph.prototype._updateGraph = function () { - // reset the svg elements - DOMutil.prepareElements(this.svgElements); - if (this.width != 0 && this.itemsData != null) { - var group, i; - var preprocessedGroupData = {}; - var processedGroupData = {}; - var groupRanges = {}; - var changeCalled = false; - - // 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._getRelevantData(groupIds, groupsData, minDate, maxDate); - // 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); + 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; + }; - // 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); - if (changeCalled == true) { - DOMutil.cleanupElements(this.svgElements); - this.abortedGraphUpdate = true; - this.body.emitter.emit("change"); - return; - } - this.abortedGraphUpdate = false; + /** + * On start of a hold gesture + * @private + */ + Range.prototype._onHold = function () { + this.props.touch.allowDragging = false; + }; - // With the yAxis scaled correctly, use this to get the Y values of the points. - for (i = 0; i < groupIds.length; i++) { - group = this.groups[groupIds[i]]; - processedGroupData[groupIds[i]] = this._convertYcoordinates(groupsData[groupIds[i]], group); - } + /** + * Handle pinch event + * @param {Event} event + * @private + */ + Range.prototype._onPinch = function (event) { + // only allow zooming when configured as zoomable and moveable + if (!(this.options.zoomable && this.options.moveable)) return; + this.props.touch.allowDragging = false; - // draw the groups - for (i = 0; i < groupIds.length; i++) { - group = this.groups[groupIds[i]]; - if (group.options.style == 'line') { - this._drawLineGraph(processedGroupData[groupIds[i]], group); - } - } - this._drawBarGraphs(groupIds, processedGroupData); + if (event.gesture.touches.length > 1) { + if (!this.props.touch.center) { + this.props.touch.center = getPointer(event.gesture.center, this.body.dom.center); } - } - // cleanup unused svg elements - DOMutil.cleanupElements(this.svgElements); - }; + var scale = 1 / (event.gesture.scale + this.scaleOffset); + var center = this._pointerToDate(this.props.touch.center); + var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); + var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; - LineGraph.prototype._getRelevantData = function (groupIds, groupsData, minDate, maxDate) { - // 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. - 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.binarySearchGeneric(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._applySampling(groupIds, groupsData); - }; + // calculate new start and end + var newStart = (center-hiddenDurationBefore) + (this.start - (center-hiddenDurationBefore)) * scale; + var newEnd = (center+hiddenDurationAfter) + (this.end - (center+hiddenDurationAfter)) * scale; - 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; + // 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 - // 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))); + 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; + } - var sampledData = []; - for (var j = 0; j < amountOfPoints; j += increment) { - sampledData.push(dataContainer[j]); + this.setRange(newStart, newEnd); - } - groupsData[groupIds[i]] = sampledData; - } - } - } + this.startToFront = false; // revert to default + this.endToFront = true; // revert to default } }; - LineGraph.prototype._getYRanges = function (groupIds, groupsData, groupRanges) { - var groupData, group, i,j; - var barCombinedDataLeft = []; - var barCombinedDataRight = []; - var barCombinedData; - if (groupIds.length > 0) { - for (i = 0; i < groupIds.length; i++) { - groupData = groupsData[groupIds[i]]; - if (groupData.length > 0) { - group = this.groups[groupIds[i]]; - if (group.options.style == 'line' || group.options.barChart.handleOverlap != "stack") { - var yMin = groupData[0].y; - var yMax = groupData[0].y; - for (j = 0; j < groupData.length; j++) { - yMin = yMin > groupData[j].y ? groupData[j].y : yMin; - yMax = yMax < groupData[j].y ? groupData[j].y : yMax; - } - groupRanges[groupIds[i]] = {min: yMin, max: yMax, yAxisOrientation: group.options.yAxisOrientation}; - } - else if (group.options.style == 'bar') { - if (group.options.yAxisOrientation == 'left') { - barCombinedData = barCombinedDataLeft; - } - else { - barCombinedData = barCombinedDataRight; - } - - groupRanges[groupIds[i]] = {min: 0, max: 0, yAxisOrientation: group.options.yAxisOrientation, ignore: true}; - - // combine data - for (j = 0; j < groupData.length; j++) { - barCombinedData.push({ - x: groupData[j].x, - y: groupData[j].y, - groupId: groupIds[i] - }); - } - } - } - } + /** + * 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; - var intersections; - if (barCombinedDataLeft.length > 0) { - // sort by time and by group - barCombinedDataLeft.sort(function (a, b) { - if (a.x == b.x) { - return a.groupId - b.groupId; - } else { - return a.x - b.x; - } - }); - intersections = {}; - this._getDataIntersections(intersections, barCombinedDataLeft); - groupRanges["__barchartLeft"] = this._getStackedBarYRange(intersections, barCombinedDataLeft); - groupRanges["__barchartLeft"].yAxisOrientation = "left"; - groupIds.push("__barchartLeft"); - } - if (barCombinedDataRight.length > 0) { - // sort by time and by group - barCombinedDataRight.sort(function (a, b) { - if (a.x == b.x) { - return a.groupId - b.groupId; - } else { - return a.x - b.x; - } - }); - intersections = {}; - this._getDataIntersections(intersections, barCombinedDataRight); - groupRanges["__barchartRight"] = this._getStackedBarYRange(intersections, barCombinedDataRight); - groupRanges["__barchartRight"].yAxisOrientation = "right"; - groupIds.push("__barchartRight"); - } - } - }; + validateDirection(direction); - LineGraph.prototype._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; - } + if (direction == 'horizontal') { + return this.body.util.toTime(pointer.x).valueOf(); } - 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; - } + else { + var height = this.body.domProps.center.height; + conversion = this.conversion(height); + return pointer.y / conversion.scale + conversion.offset; } - - return {min: yMin, max: yMax}; }; - /** - * 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 + * Get the pointer location relative to the location of the dom element + * @param {{pageX: Number, pageY: Number}} touch + * @param {Element} element HTML DOM element + * @return {{x: Number, y: Number}} pointer * @private */ - LineGraph.prototype._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) { - 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; - } - } - } - } - - 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; + function getPointer (touch, element) { + return { + x: touch.pageX - util.getAbsoluteLeft(element), + y: touch.pageY - util.getAbsoluteTop(element) + }; + } - if (yAxisRightUsed == true && yAxisLeftUsed == true) { - this.yAxisLeft.drawIcons = true; - this.yAxisRight.drawIcons = true; - } - else { - this.yAxisLeft.drawIcons = false; - this.yAxisRight.drawIcons = false; + /** + * Zoom the range the given scale in or out. Start and end date will + * be adjusted, and the timeline will be redrawn. You can optionally give a + * date around which to zoom. + * For example, try scale = 0.9 or 1.1 + * @param {Number} scale Scaling factor. Values above 1 will zoom out, + * values below 1 will zoom in. + * @param {Number} [center] Value representing a date around which will + * be zoomed. + */ + Range.prototype.zoom = function(scale, center, delta) { + // if centerDate is not provided, take it half between start Date and end Date + if (center == null) { + center = (this.start + this.end) / 2; } - this.yAxisRight.master = !yAxisLeftUsed; + var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); + var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); + var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore; - if (this.yAxisRight.master == false) { - if (yAxisRightUsed == true) {this.yAxisLeft.lineOffset = this.yAxisRight.width;} - else {this.yAxisLeft.lineOffset = 0;} + // calculate new start and end + var newStart = (center-hiddenDurationBefore) + (this.start - (center-hiddenDurationBefore)) * scale; + var newEnd = (center+hiddenDurationAfter) + (this.end - (center+hiddenDurationAfter)) * scale; - changeCalled = this.yAxisLeft.redraw() || changeCalled; - this.yAxisRight.stepPixelsForced = this.yAxisLeft.stepPixels; - changeCalled = this.yAxisRight.redraw() || changeCalled; - } - else { - changeCalled = this.yAxisRight.redraw() || changeCalled; + // 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; } - // clean the accumulated lists - if (groupIds.indexOf("__barchartLeft") != -1) { - groupIds.splice(groupIds.indexOf("__barchartLeft"),1); - } - if (groupIds.indexOf("__barchartRight") != -1) { - groupIds.splice(groupIds.indexOf("__barchartRight"),1); - } + this.setRange(newStart, newEnd); - return changeCalled; + this.startToFront = false; // revert to default + this.endToFront = true; // revert to default }; + + /** - * This shows or hides the Y axis if needed. If there is a change, the changed event is emitted by the updateYAxis function - * - * @param {boolean} axisUsed - * @returns {boolean} - * @private - * @param axis + * Move the range with a given delta to the left or right. Start and end + * value will be adjusted. For example, try delta = 0.1 or -0.1 + * @param {Number} delta Moving amount. Positive value will move right, + * negative value will move left */ - LineGraph.prototype._toggleAxisVisiblity = function (axisUsed, axis) { - var changed = false; - if (axisUsed == false) { - if (axis.dom.frame.parentNode) { - axis.hide(); - changed = true; - } - } - else { - if (!axis.dom.frame.parentNode) { - axis.show(); - changed = true; - } - } - return changed; - }; + Range.prototype.move = function(delta) { + // zoom start Date and end Date relative to the centerDate + var diff = (this.end - this.start); + + // apply new values + var newStart = this.start + diff * delta; + var newEnd = this.end + diff * delta; + + // TODO: reckon with min and max range + this.start = newStart; + this.end = newEnd; + }; /** - * draw a bar graph - * - * @param groupIds - * @param processedGroupData + * Move the range to a new center point + * @param {Number} moveTo New center point of the range */ - LineGraph.prototype._drawBarGraphs = function (groupIds, processedGroupData) { - var combinedData = []; - var intersections = {}; - var coreDistance; - var key, drawData; - var group; - var i,j; - var barPoints = 0; + Range.prototype.moveTo = function(moveTo) { + var center = (this.start + this.end) / 2; - // combine all barchart data - for (i = 0; i < groupIds.length; i++) { - group = this.groups[groupIds[i]]; - if (group.options.style == 'bar') { - if (group.visible == true && (this.options.groups.visibility[groupIds[i]] === undefined || this.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 diff = center - moveTo; - if (barPoints == 0) {return;} + // calculate new start and end + var newStart = this.start - diff; + var newEnd = this.end - diff; - // 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; - } - }); + this.setRange(newStart, newEnd); + }; - // get intersections - this._getDataIntersections(intersections, combinedData); + module.exports = Range; - // plot barchart - for (i = 0; i < combinedData.length; i++) { - group = this.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 = this._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 = this._getSafeDrawData(coreDistance, group, minWidth); - intersections[key].resolved += 1; +/***/ }, +/* 22 */ +/***/ function(module, exports, __webpack_require__) { - 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', this.svgElements, this.svg); - // draw points - if (group.options.drawPoints.enabled == true) { - DOMutil.drawPoint(combinedData[i].x + drawData.offset, combinedData[i].y - heightOffset, group, this.svgElements, this.svg); - } - } - }; + var Hammer = __webpack_require__(19); /** - * Fill the intersections object with counters of how many datapoints share the same x coordinates - * @param intersections - * @param combinedData - * @private + * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent + * @param {Element} element + * @param {Event} event */ - LineGraph.prototype._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; - } - } - }; + exports.fakeGesture = function(element, event) { + var eventType = null; - /** - * 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 - */ - LineGraph.prototype._getSafeDrawData = function (coreDistance, group, minWidth) { - var width, offset; - if (coreDistance < group.options.barChart.width && coreDistance > 0) { - width = coreDistance < minWidth ? minWidth : coreDistance; + // for hammer.js 1.0.5 + // var gesture = Hammer.event.collectEventData(this, eventType, event); - 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; - } + // for hammer.js 1.0.6+ + var touches = Hammer.event.getTouchList(event, eventType); + var gesture = Hammer.event.collectEventData(this, eventType, touches, event); + + // 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; } - else { - // 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; - } + if (isNaN(gesture.center.pageY)) { + gesture.center.pageY = event.pageY; } - return {width: width, offset: offset}; + return gesture; }; +/***/ }, +/* 23 */ +/***/ function(module, exports, __webpack_require__) { + /** - * draw a line graph - * - * @param dataset - * @param group + * Prototype for visual components + * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body] + * @param {Object} [options] */ - LineGraph.prototype._drawLineGraph = function (dataset, group) { - if (dataset != null) { - if (dataset.length > 0) { - var path, d; - var svgHeight = Number(this.svg.style.height.replace("px","")); - path = DOMutil.getSVGElement('path', this.svgElements, this.svg); - path.setAttributeNS(null, "class", group.className); - - // construct path from dataset - if (group.options.catmullRom.enabled == true) { - d = this._catmullRom(dataset, group); - } - else { - d = this._linear(dataset); - } - - // append with points for fill and finalize the path - if (group.options.shaded.enabled == true) { - var fillPath = DOMutil.getSVGElement('path',this.svgElements, this.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"); - fillPath.setAttributeNS(null, "d", dFill); - } - // copy properties to path for drawing. - path.setAttributeNS(null, "d", "M" + d); + function Component (body, options) { + this.options = null; + this.props = null; + } - // draw points - if (group.options.drawPoints.enabled == true) { - this._drawPoints(dataset, group, this.svgElements, this.svg); - } - } + /** + * 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); } }; /** - * draw the data points - * - * @param {Array} dataset - * @param {Object} JSONcontainer - * @param {Object} svg | SVG DOM element - * @param {GraphGroup} group - * @param {Number} [offset] + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - LineGraph.prototype._drawPoints = function (dataset, group, JSONcontainer, svg, offset) { - if (offset === undefined) {offset = 0;} - for (var i = 0; i < dataset.length; i++) { - DOMutil.drawPoint(dataset[i].x + offset, dataset[i].y, group, JSONcontainer, svg); - } + Component.prototype.redraw = function() { + // should be implemented by the component + return false; }; - + /** + * Destroy the component. Cleanup DOM and event listeners + */ + Component.prototype.destroy = function() { + // should be implemented by the component + }; /** - * 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 + * Test whether the component is resized since the last time _isResized() was + * called. + * @return {Boolean} Returns true if the component is resized + * @protected */ - LineGraph.prototype._convertXcoordinates = function (datapoints) { - var extractedData = []; - var xValue, yValue; - var toScreen = this.body.util.toScreen; + Component.prototype._isResized = function() { + var resized = (this.props._previousWidth !== this.props.width || + this.props._previousHeight !== this.props.height); - for (var i = 0; i < datapoints.length; i++) { - xValue = toScreen(datapoints[i].x) + this.width; - yValue = datapoints[i].y; - extractedData.push({x: xValue, y: yValue}); - } + this.props._previousWidth = this.props.width; + this.props._previousHeight = this.props.height; - return extractedData; + return resized; }; + module.exports = Component; + +/***/ }, +/* 24 */ +/***/ function(module, exports, __webpack_require__) { /** - * 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 + * Created by Alex on 10/3/2014. */ - 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.width; - yValue = Math.round(axis.convertValue(datapoints[i].y)); - extractedData.push({x: xValue, y: yValue}); - } + var moment = __webpack_require__(2); - group.setZeroPosition(Math.min(svgHeight, axis.convertValue(0))); - return extractedData; + /** + * 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); + } + } + body.hiddenDates.sort(function (a, b) { + return a.start - b.start; + }); // sort by start time + } + } }; + /** - * 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 + * create new entrees for the repeating hidden dates + * @param body + * @param hiddenDates */ - LineGraph.prototype._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++) { - - p0 = (i == 0) ? data[0] : data[i-1]; - p1 = data[i]; - p2 = data[i+1]; - p3 = (i + 2 < length) ? data[i+2] : p2; + exports.updateHiddenDates = function (body, hiddenDates) { + if (hiddenDates && body.domProps.centerContainer.width !== undefined) { + exports.convertHiddenOptions(body, hiddenDates); + var start = moment(body.range.start); + var end = moment(body.range.end); - // 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 + var totalRange = (body.range.end - body.range.start); + var pixelTime = totalRange / body.domProps.centerContainer.width; - // 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 }; + 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); - d += "C" + - bp1.x + "," + - bp1.y + " " + - bp2.x + "," + - bp2.y + " " + - p2.x + "," + - p2.y + " "; - } + 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); + } - return d; - }; + var duration = endDate - startDate; + if (duration >= 4 * pixelTime) { - /** - * 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 - * @returns {string} - * @private - */ - LineGraph.prototype._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++) { + 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'); - p0 = (i == 0) ? data[0] : data[i-1]; - p1 = data[i]; - p2 = data[i+1]; - p3 = (i + 2 < length) ? data[i+2] : p2; + endDate.dayOfYear(start.dayOfYear()); + endDate.year(start.year()); + endDate.subtract(7 - offset,'days'); - 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)); + runUntil.add(1, 'weeks'); + break; + case "weekly": + var dayOffset = endDate.diff(startDate,'days') + var day = startDate.day(); - // Catmull-Rom to Cubic Bezier conversion matrix - // - // A = 2d1^2a + 3d1^a * d2^a + d3^2a - // B = 2d3^2a + 3d3^a * d2^a + d2^2a - // - // [ 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 ] + // set the start date to the range.start + startDate.date(start.date()); + startDate.month(start.month()); + startDate.year(start.year()); + endDate = startDate.clone(); - // [ 0 1 0 0 ] - // [ -d2pow2a/N A/N d1pow2a/N 0 ] - // [ 0 d3pow2a/M B/M -d2pow2a/M ] - // [ 0 0 1 0 ] + // force + startDate.day(day); + endDate.day(day); + endDate.add(dayOffset,'days'); - 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); + startDate.subtract(1,'weeks'); + endDate.subtract(1,'weeks'); - 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;} + 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'); - bp1 = { x: ((-d2pow2A * p0.x + A*p1.x + d1pow2A * p2.x) * N), - y: ((-d2pow2A * p0.y + A*p1.y + d1pow2A * p2.y) * N)}; + endDate.month(start.month()); + endDate.year(start.year()); + endDate.subtract(1,'months'); + endDate.add(offset,'months'); - bp2 = { x: (( d3pow2A * p1.x + B*p2.x - d2pow2A * p3.x) * M), - y: (( d3pow2A * p1.y + B*p2.y - d2pow2A * p3.y) * M)}; + 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'); - 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 + " "; + 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); } - - return d; } - }; + + } + /** - * this generates the SVG path for a linear drawing between datapoints. - * @param data - * @returns {string} - * @private + * remove duplicates from the hidden dates list. Duplicates are evil. They mess everything up. + * Scales with N^2 + * @param body */ - LineGraph.prototype._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; + 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; + } + } } } - return d; - }; - - module.exports = LineGraph; + for (var i = 0; i < hiddenDates.length; i++) { + if (hiddenDates[i].remove !== true) { + safeDates.push(hiddenDates[i]); + } + } -/***/ }, -/* 30 */ -/***/ function(module, exports, __webpack_require__) { + body.hiddenDates = safeDates; + body.hiddenDates.sort(function (a, b) { + return a.start - b.start; + }); // sort by start time + } - 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); + 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); + } + } /** - * 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 + * Used in TimeStep to avoid the hidden times. + * @param timeStep + * @param previousTime */ - function TimeAxis (body, options) { - this.dom = { - foreground: null, - majorLines: [], - majorTexts: [], - minorLines: [], - minorTexts: [], - redundant: { - majorLines: [], - majorTexts: [], - minorLines: [], - minorTexts: [] + 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; } - }; - this.props = { - range: { - start: 0, - end: 0, - minimumStep: 0 - }, - lineTop: 0 - }; - - this.defaultOptions = { - orientation: 'bottom', // supported: 'top', 'bottom' - // TODO: implement timeaxis orientations 'left' and 'right' - showMinorLabels: true, - showMajorLabels: true - }; - this.options = util.extend({}, this.defaultOptions); - - this.body = body; + } - // create the HTML DOM - this._create(); + 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;} - this.setOptions(options); - } + timeStep.current = newValue.toDate(); + } + }; - TimeAxis.prototype = new Component(); /** - * Set options for the TimeAxis. - * Parameters will be merged in current options. - * @param {Object} options Available options: - * {string} [orientation] - * {boolean} [showMinorLabels] - * {boolean} [showMajorLabels] + * Used in TimeStep to avoid the hidden times. + * @param timeStep + * @param previousTime */ - TimeAxis.prototype.setOptions = function(options) { - if (options) { - // copy all options that we know - util.selectiveExtend(['orientation', 'showMinorLabels', 'showMajorLabels','hiddenDates'], this.options, options); - - // apply locale to moment.js - // TODO: not so nice, this is applied globally to moment.js - if ('locale' in options) { - if (typeof moment.locale === 'function') { - // moment.js 2.8.1+ - moment.locale(options.locale); - } - else { - moment.lang(options.locale); - } + 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; } } - }; - - /** - * Create the HTML DOM for the TimeAxis - */ - TimeAxis.prototype._create = function() { - this.dom.foreground = document.createElement('div'); - this.dom.background = document.createElement('div'); - this.dom.foreground.className = 'timeaxis foreground'; - this.dom.background.className = 'timeaxis background'; + if (stepInHidden == true && currentValue <= timeStep._end.valueOf()) { + var newValue = moment(endDate); + timeStep.current = newValue.toDate(); + } }; /** - * Destroy the TimeAxis + * replaces the Core toScreen methods + * @param Core + * @param time + * @param width + * @returns {number} */ - 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); + exports.toScreen = function(Core, time, width) { + var hidden = exports.isHidden(time, Core.body.hiddenDates) + if (hidden.hidden == true) { + time = hidden.startDate; } - this.body = null; + var duration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); + time = exports.correctTimeForHidden(Core.body.hiddenDates, Core.range, time); + + var conversion = Core.range.conversion(width, duration); + return (time.valueOf() - conversion.offset) * conversion.scale; }; + /** - * Repaint the component - * @return {boolean} Returns true if the component is resized + * Replaces the core toTime methods + * @param body + * @param range + * @param x + * @param width + * @returns {Date} */ - 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); - - // calculate character width and height - this._calculateCharSize(); - - // TODO: recalculate sizes only needed when parent is resized or options is changed - var orientation = this.options.orientation, - showMinorLabels = this.options.showMinorLabels, - showMajorLabels = this.options.showMajorLabels; - - // 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; - - props.minorLineHeight = this.body.domProps.root.height - props.majorLabelHeight - - (options.orientation == 'top' ? this.body.domProps.bottom.height : this.body.domProps.top.height); - props.minorLineWidth = 1; // TODO: really calculate width - props.majorLineHeight = props.minorLineHeight + props.majorLabelHeight; - props.majorLineWidth = 1; // TODO: really calculate width - - // take foreground and background offline while updating (is almost twice as fast) - var foregroundNextSibling = foreground.nextSibling; - var backgroundNextSibling = background.nextSibling; - foreground.parentNode && foreground.parentNode.removeChild(foreground); - background.parentNode && background.parentNode.removeChild(background); + exports.toTime = function(body, range, x, width) { + var hiddenDuration = exports.getHiddenDurationBetween(body.hiddenDates, range.start, range.end); + var totalDuration = range.end - range.start - hiddenDuration; + var partialDuration = totalDuration * x / width; + var accumulatedHiddenDuration = exports.getAccumulatedHiddenDuration(body.hiddenDates,range, partialDuration); - foreground.style.height = this.props.height + 'px'; + var newTime = new Date(accumulatedHiddenDuration + partialDuration + range.start); + return newTime; + }; - 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) + /** + * 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 this._isResized() || parentChanged; + return duration; }; + /** - * Repaint major and minor text labels and vertical grid lines - * @private + * Support function + * @param hiddenDates + * @param range + * @param time + * @returns {{duration: number, time: *, offset: number}} */ - 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); - 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 + exports.correctTimeForHidden = function(hiddenDates, range, time) { + time = moment(time).toDate().valueOf(); + time -= exports.getHiddenDurationBefore(hiddenDates,range,time); + return time; + }; - if (this.options.showMinorLabels) { - this._repaintMinorText(x, step.getLabelMinor(), orientation); - } + exports.getHiddenDurationBefore = function(hiddenDates, range, time) { + var timeOffset = 0; + time = moment(time).toDate().valueOf(); - if (isMajor && this.options.showMajorLabels) { - if (x > 0) { - if (xFirstMajorLabel == undefined) { - xFirstMajorLabel = x; - } - this._repaintMajorText(x, step.getLabelMajor(), orientation); + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; + // if time after the cutout, and the + if (startDate >= range.start && endDate < range.end) { + if (time >= endDate) { + timeOffset += (endDate - startDate); } - this._repaintMajorLine(x, orientation); - } - else { - 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); } } - - // 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); - } - } - }); - }; + return timeOffset; + } /** - * Create a minor label for the axis at position x - * @param {Number} x - * @param {String} text - * @param {String} orientation "top" or "bottom" (default) - * @private + * sum the duration from start to finish, including the hidden duration, + * until the required amount has been reached, return the accumulated hidden duration + * @param hiddenDates + * @param range + * @param time + * @returns {{duration: number, time: *, offset: number}} */ - TimeAxis.prototype._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); + exports.getAccumulatedHiddenDuration = function(hiddenDates, range, requiredDuration) { + var hiddenDuration = 0; + var duration = 0; + var previousPoint = range.start; + //exports.printDates(hiddenDates) + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; + // if time after the cutout, and the + if (startDate >= range.start && endDate < range.end) { + duration += startDate - previousPoint; + previousPoint = endDate; + if (duration >= requiredDuration) { + break; + } + else { + hiddenDuration += endDate - startDate; + } + } } - this.dom.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 + return hiddenDuration; }; - /** - * Create a Major label for the axis at position x - * @param {Number} x - * @param {String} text - * @param {String} orientation "top" or "bottom" (default) - * @private - */ - TimeAxis.prototype._repaintMajorText = function (x, text, orientation) { - // reuse redundant label - var label = this.dom.redundant.majorTexts.shift(); - - if (!label) { - // create label - var content = document.createTextNode(text); - label = document.createElement('div'); - label.className = 'text major'; - label.appendChild(content); - this.dom.foreground.appendChild(label); - } - this.dom.majorTexts.push(label); - - label.childNodes[0].nodeValue = text; - //label.title = title; // TODO: this is a heavy operation - label.style.top = (orientation == 'top') ? '0' : (this.props.minorLabelHeight + 'px'); - label.style.left = x + 'px'; - }; /** - * Create a minor line for the axis at position x - * @param {Number} x - * @param {String} orientation "top" or "bottom" (default) - * @private + * used to step over to either side of a hidden block. Correction is disabled on tablets, might be set to true + * @param hiddenDates + * @param time + * @param direction + * @param correctionEnabled + * @returns {*} */ - TimeAxis.prototype._repaintMinorLine = function (x, orientation) { - // 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); - } - this.dom.minorLines.push(line); - - var props = this.props; - if (orientation == 'top') { - line.style.top = props.majorLabelHeight + 'px'; + exports.snapAwayFromHidden = function(hiddenDates, time, direction, correctionEnabled) { + var isHidden = exports.isHidden(time, hiddenDates); + if (isHidden.hidden == true) { + if (direction < 0) { + if (correctionEnabled == true) { + return isHidden.startDate - (isHidden.endDate - time) - 1; + } + else { + return isHidden.startDate - 1; + } + } + else { + if (correctionEnabled == true) { + return isHidden.endDate + (time - isHidden.startDate) + 1; + } + else { + return isHidden.endDate + 1; + } + } } else { - line.style.top = this.body.domProps.top.height + 'px'; + return time; } - line.style.height = props.minorLineHeight + 'px'; - line.style.left = (x - props.minorLineWidth / 2) + 'px'; - }; - - /** - * Create a Major line for the axis at position x - * @param {Number} x - * @param {String} orientation "top" or "bottom" (default) - * @private - */ - TimeAxis.prototype._repaintMajorLine = function (x, orientation) { - // reuse redundant line - var line = this.dom.redundant.majorLines.shift(); - if (!line) { - // create vertical line - line = document.createElement('DIV'); - line.className = 'grid vertical major'; - this.dom.background.appendChild(line); - } - this.dom.majorLines.push(line); + } - var props = this.props; - if (orientation == 'top') { - line.style.top = '0'; - } - else { - line.style.top = this.body.domProps.top.height + 'px'; - } - line.style.left = (x - props.majorLineWidth / 2) + 'px'; - line.style.height = props.majorLineHeight + 'px'; - }; /** - * 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 + * Check if a time is hidden + * + * @param time + * @param hiddenDates + * @returns {{hidden: boolean, startDate: Window.start, endDate: *}} */ - 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'; - - this.dom.measureCharMinor.appendChild(document.createTextNode('0')); - this.dom.foreground.appendChild(this.dom.measureCharMinor); - } - this.props.minorCharHeight = this.dom.measureCharMinor.clientHeight; - this.props.minorCharWidth = this.dom.measureCharMinor.clientWidth; - - // determine the char width and height on the major axis - if (!this.dom.measureCharMajor) { - this.dom.measureCharMajor = document.createElement('DIV'); - this.dom.measureCharMajor.className = 'text major measure'; - this.dom.measureCharMajor.style.position = 'absolute'; + exports.isHidden = function(time, hiddenDates) { + for (var i = 0; i < hiddenDates.length; i++) { + var startDate = hiddenDates[i].start; + var endDate = hiddenDates[i].end; - this.dom.measureCharMajor.appendChild(document.createTextNode('0')); - this.dom.foreground.appendChild(this.dom.measureCharMajor); + if (time >= startDate && time < endDate) { // if the start is entering a hidden zone + return {hidden: true, startDate: startDate, endDate: endDate}; + break; + } } - 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 - */ - TimeAxis.prototype.snap = function(date) { - return this.step.snap(date); - }; - - module.exports = TimeAxis; - + return {hidden: false, startDate: startDate, endDate: endDate}; + } /***/ }, -/* 31 */ +/* 25 */ /***/ function(module, exports, __webpack_require__) { - var Hammer = __webpack_require__(45); + 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 TimeAxis = __webpack_require__(26); + var CurrentTime = __webpack_require__(28); + var CustomTime = __webpack_require__(30); + var ItemSet = __webpack_require__(31); + var Activator = __webpack_require__(40); + var DateUtil = __webpack_require__(24); /** - * @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 + * 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 */ - function Item (data, conversion, options) { - this.id = null; - this.parent = null; - this.data = data; - this.dom = null; - this.conversion = conversion || {}; - this.options = options || {}; - - this.selected = false; - this.displayed = false; - this.dirty = true; - - this.top = null; - this.left = null; - this.width = null; - this.height = null; - } - - Item.prototype.stack = true; + function Core () {} - /** - * Select current item - */ - Item.prototype.select = function() { - this.selected = true; - this.dirty = true; - if (this.displayed) this.redraw(); - }; + // turn Core into an event emitter + Emitter(Core.prototype); /** - * Unselect current item + * Create the main DOM for the Core: a root panel containing left, right, + * top, bottom, content, and background panel. + * @param {Element} container The container element where the Core will + * be attached. + * @private */ - Item.prototype.unselect = function() { - this.selected = false; - this.dirty = true; - if (this.displayed) this.redraw(); - }; + Core.prototype._create = function (container) { + this.dom = {}; - /** - * 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.dom.root = document.createElement('div'); + this.dom.background = document.createElement('div'); + this.dom.backgroundVertical = document.createElement('div'); + this.dom.backgroundHorizontal = document.createElement('div'); + this.dom.centerContainer = document.createElement('div'); + this.dom.leftContainer = document.createElement('div'); + this.dom.rightContainer = document.createElement('div'); + this.dom.center = document.createElement('div'); + this.dom.left = document.createElement('div'); + this.dom.right = document.createElement('div'); + this.dom.top = document.createElement('div'); + this.dom.bottom = document.createElement('div'); + this.dom.shadowTop = document.createElement('div'); + this.dom.shadowBottom = document.createElement('div'); + this.dom.shadowTopLeft = document.createElement('div'); + this.dom.shadowBottomLeft = document.createElement('div'); + this.dom.shadowTopRight = document.createElement('div'); + this.dom.shadowBottomRight = document.createElement('div'); + + this.dom.root.className = 'vis timeline root'; + this.dom.background.className = 'vispanel background'; + this.dom.backgroundVertical.className = 'vispanel background vertical'; + this.dom.backgroundHorizontal.className = 'vispanel background horizontal'; + this.dom.centerContainer.className = 'vispanel center'; + this.dom.leftContainer.className = 'vispanel left'; + this.dom.rightContainer.className = 'vispanel right'; + this.dom.top.className = 'vispanel top'; + this.dom.bottom.className = 'vispanel bottom'; + this.dom.left.className = 'content'; + this.dom.center.className = 'content'; + this.dom.right.className = 'content'; + this.dom.shadowTop.className = 'shadow top'; + this.dom.shadowBottom.className = 'shadow bottom'; + this.dom.shadowTopLeft.className = 'shadow top'; + this.dom.shadowBottomLeft.className = 'shadow bottom'; + this.dom.shadowTopRight.className = 'shadow top'; + this.dom.shadowBottomRight.className = 'shadow bottom'; + + this.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); + + this.dom.centerContainer.appendChild(this.dom.center); + this.dom.leftContainer.appendChild(this.dom.left); + this.dom.rightContainer.appendChild(this.dom.right); + + this.dom.centerContainer.appendChild(this.dom.shadowTop); + this.dom.centerContainer.appendChild(this.dom.shadowBottom); + this.dom.leftContainer.appendChild(this.dom.shadowTopLeft); + this.dom.leftContainer.appendChild(this.dom.shadowBottomLeft); + this.dom.rightContainer.appendChild(this.dom.shadowTopRight); + this.dom.rightContainer.appendChild(this.dom.shadowBottomRight); + + this.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 { + // redraw immediately + me.redraw(); + } + }); + + // 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); + } + }; + 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 + + // attach the root panel to the provided container + if (!container) throw new Error('No container provided'); + container.appendChild(this.dom.root); }; /** - * Set a parent for the item - * @param {ItemSet | Group} parent + * Set options. Options will be passed to all components loaded in the Timeline. + * @param {Object} [options] + * {String} orientation + * Vertical orientation for the Timeline, + * can be 'bottom' (default) or 'top'. + * {String | Number} width + * Width for the timeline, a number in pixels or + * a css string like '1000px' or '75%'. '100%' by default. + * {String | Number} height + * Fixed height for the Timeline, a number in pixels or + * a css string like '400px' or '75%'. If undefined, + * The Timeline will automatically size such that + * its contents fit. + * {String | Number} minHeight + * Minimum height for the Timeline, a number in pixels or + * a css string like '400px' or '75%'. + * {String | Number} maxHeight + * Maximum height for the Timeline, a number in pixels or + * a css string like '400px' or '75%'. + * {Number | Date | String} start + * Start date for the visible window + * {Number | Date | String} end + * End date for the visible window */ - Item.prototype.setParent = function(parent) { - if (this.displayed) { - this.hide(); - this.parent = parent; - if (this.parent) { - this.show(); + 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); + + if ('hiddenDates' in this.options) { + DateUtil.convertHiddenOptions(this.body, this.options.hiddenDates); + } + + if ('clickToUse' in options) { + if (options.clickToUse) { + this.activator = new Activator(this.dom.root); + } + else { + if (this.activator) { + this.activator.destroy(); + delete this.activator; + } + } } + + // enable/disable autoResize + this._initAutoResize(); } - else { - this.parent = parent; + + // propagate options to all components + this.components.forEach(function (component) { + component.setOptions(options); + }); + + // TODO: remove deprecation error one day (deprecated since version 0.8.0) + if (options && options.order) { + throw new Error('Option order is deprecated. There is no replacement for this feature.'); } - }; - /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible - */ - Item.prototype.isVisible = function(range) { - // Should be implemented by Item implementations - return false; + // redraw everything + this.redraw(); }; /** - * Show the Item in the DOM (when not already visible) - * @return {Boolean} changed + * Returns true when the Timeline is active. + * @returns {boolean} */ - Item.prototype.show = function() { - return false; + Core.prototype.isActive = function () { + return !this.activator || this.activator.active; }; /** - * Hide the Item from the DOM (when visible) - * @return {Boolean} changed + * Destroy the Core, clean up all DOM elements and event listeners. */ - Item.prototype.hide = function() { - return false; + Core.prototype.destroy = function () { + // unbind datasets + this.clear(); + + // remove all event listeners + this.off(); + + // stop checking for changed size + this._stopAutoResize(); + + // remove from DOM + if (this.dom.root.parentNode) { + this.dom.root.parentNode.removeChild(this.dom.root); + } + this.dom = null; + + // remove Activator + if (this.activator) { + this.activator.destroy(); + delete this.activator; + } + + // cleanup hammer touch events + for (var event in this.listeners) { + if (this.listeners.hasOwnProperty(event)) { + delete this.listeners[event]; + } + } + this.listeners = null; + this.hammer = null; + + // give all components the opportunity to cleanup + this.components.forEach(function (component) { + component.destroy(); + }); + + this.body = null; }; + /** - * Repaint the item + * Set a custom time bar + * @param {Date} time */ - Item.prototype.redraw = function() { - // should be implemented by the item + Core.prototype.setCustomTime = function (time) { + if (!this.customTime) { + throw new Error('Cannot get custom time: Custom time bar is not enabled'); + } + + this.customTime.setCustomTime(time); }; /** - * Reposition the Item horizontally + * Retrieve the current custom time. + * @return {Date} customTime */ - Item.prototype.repositionX = function() { - // should be implemented by the item + Core.prototype.getCustomTime = function() { + if (!this.customTime) { + throw new Error('Cannot get custom time: Custom time bar is not enabled'); + } + + return this.customTime.getCustomTime(); }; + /** - * Reposition the Item vertically + * Get the id's of the currently visible items. + * @returns {Array} The ids of the visible items */ - Item.prototype.repositionY = function() { - // should be implemented by the item + Core.prototype.getVisibleItems = function() { + return this.itemSet && this.itemSet.getVisibleItems() || []; }; + + /** - * Repaint a delete button on the top right of the item when the item is selected - * @param {HTMLElement} anchor - * @protected + * Clear the Core. By Default, items, groups and options are cleared. + * Example usage: + * + * timeline.clear(); // clear items, groups, and options + * timeline.clear({options: true}); // clear options only + * + * @param {Object} [what] Optionally specify what to clear. By default: + * {items: true, groups: true, options: true} */ - Item.prototype._repaintDeleteButton = function (anchor) { - if (this.selected && this.options.editable.remove && !this.dom.deleteButton) { - // create and show button - var me = this; + Core.prototype.clear = function(what) { + // clear items + if (!what || what.items) { + this.setItems(null); + } - var deleteButton = document.createElement('div'); - deleteButton.className = 'delete'; - deleteButton.title = 'Delete this item'; + // clear groups + if (!what || what.groups) { + this.setGroups(null); + } - Hammer(deleteButton, { - preventDefault: true - }).on('tap', function (event) { - me.parent.removeFromDataSet(me); - event.stopPropagation(); + // clear options of timeline and of each of the components + if (!what || what.options) { + this.components.forEach(function (component) { + component.setOptions(component.defaultOptions); }); - 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; + this.setOptions(this.defaultOptions); // this will also do a redraw } }; /** - * Set HTML contents for the item - * @param {Element} element HTML element to fill with the contents - * @private + * Set Core window such that it fits all items + * @param {Object} [options] Available options: + * `animate: boolean | number` + * If true (default), the range is animated + * smoothly to the new window. + * If a number, the number is taken as duration + * for the animation. Default duration is 500 ms. */ - Item.prototype._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; - } + Core.prototype.fit = function(options) { + // apply the data range as range + var dataRange = this.getItemRange(); - 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); - } + // add 5% space on both sides + var start = dataRange.min; + var end = dataRange.max; + if (start != null && end != null) { + var interval = (end.valueOf() - start.valueOf()); + if (interval <= 0) { + // prevent an empty interval + interval = 24 * 60 * 60 * 1000; // 1 day } + start = new Date(start.valueOf() - interval * 0.05); + end = new Date(end.valueOf() + interval * 0.05); + } - this.content = content; + // skip range set if there is no start and end date + if (start === null && end === null) { + return; } + + var animate = (options && options.animate !== undefined) ? options.animate : true; + this.range.setRange(start, end, animate); }; /** - * Set HTML contents for the item - * @param {Element} element HTML element to fill with the contents - * @private + * Set the visible window. Both parameters are optional, you can change only + * start or only end. Syntax: + * + * TimeLine.setWindow(start, end) + * TimeLine.setWindow(range) + * + * Where start and end can be a Date, number, or string, and range is an + * object with properties start and end. + * + * @param {Date | Number | String | Object} [start] Start date of visible window + * @param {Date | Number | String} [end] End date of visible window + * @param {Object} [options] Available options: + * `animate: boolean | number` + * If true (default), the range is animated + * smoothly to the new window. + * If a number, the number is taken as duration + * for the animation. Default duration is 500 ms. */ - Item.prototype._updateTitle = function (element) { - if (this.data.title != null) { - element.title = this.data.title || ''; + 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 { - element.removeAttribute('title'); + this.range.setRange(start, end, animate); } }; /** - * Process dataAttributes timeline option and set as data- attributes on dom.content - * @param {Element} element HTML element to which the attributes will be attached - * @private + * 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. */ - 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; - } + Core.prototype.moveTo = function(time, options) { + var interval = this.range.end - this.range.start; + var t = util.convert(time, 'Date').valueOf(); - for (var i = 0; i < attributes.length; i++) { - var name = attributes[i]; - var value = this.data[name]; + var start = t - interval / 2; + var end = t + interval / 2; + var animate = (options && options.animate !== undefined) ? options.animate : true; - if (value != null) { - element.setAttribute('data-' + name, value); - } - else { - element.removeAttribute('data-' + name); - } - } - } + this.range.setRange(start, end, animate); }; /** - * Update custom styles of the element - * @param element - * @private + * Get the visible window + * @return {{start: Date, end: Date}} Visible range */ - Item.prototype._updateStyle = function(element) { - // remove old styles - if (this.style) { - util.removeCssText(element, this.style); - this.style = null; - } - - // append new styles - if (this.data.style) { - util.addCssText(element, this.data.style); - this.style = this.data.style; - } + Core.prototype.getWindow = function() { + var range = this.range.getRange(); + return { + start: new Date(range.start), + end: new Date(range.end) + }; }; - module.exports = Item; + /** + * Force a redraw of the Core. Can be useful to manually redraw when + * option autoResize=false + */ + Core.prototype.redraw = function() { + var resized = false; + var options = this.options; + var props = this.props; + var dom = this.dom; + if (!dom) return; // when destroyed -/***/ }, -/* 32 */ -/***/ function(module, exports, __webpack_require__) { + DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); - var Hammer = __webpack_require__(45); - var Item = __webpack_require__(31); - var BackgroundGroup = __webpack_require__(26); - var RangeItem = __webpack_require__(35); + // update class names + if (options.orientation == 'top') { + util.addClassName(dom.root, 'top'); + util.removeClassName(dom.root, 'bottom'); + } + else { + util.removeClassName(dom.root, 'top'); + util.addClassName(dom.root, 'bottom'); + } - /** - * @constructor 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 + // update root width and height options + dom.root.style.maxHeight = util.option.asSize(options.maxHeight, ''); + dom.root.style.minHeight = util.option.asSize(options.minHeight, ''); + dom.root.style.width = util.option.asSize(options.width, ''); - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data.id); - } - if (data.end == undefined) { - throw new Error('Property "end" missing in item ' + data.id); - } + // calculate border widths + props.border.left = (dom.centerContainer.offsetWidth - dom.centerContainer.clientWidth) / 2; + props.border.right = props.border.left; + props.border.top = (dom.centerContainer.offsetHeight - dom.centerContainer.clientHeight) / 2; + props.border.bottom = props.border.top; + var borderRootHeight= dom.root.offsetHeight - dom.root.clientHeight; + var borderRootWidth = dom.root.offsetWidth - dom.root.clientWidth; + + // workaround for a bug in IE: the clientWidth of an element with + // a height:0px and overflow:hidden is not calculated and always has value 0 + if (dom.centerContainer.clientHeight === 0) { + props.border.left = props.border.top; + props.border.right = props.border.left; + } + if (dom.root.clientHeight === 0) { + borderRootWidth = borderRootHeight; } - Item.call(this, data, conversion, options); + // calculate the heights. If any of the side panels is empty, we set the height to + // minus the border width, such that the border will be invisible + props.center.height = dom.center.offsetHeight; + props.left.height = dom.left.offsetHeight; + props.right.height = dom.right.offsetHeight; + props.top.height = dom.top.clientHeight || -props.border.top; + props.bottom.height = dom.bottom.clientHeight || -props.border.bottom; - this.emptyContent = false; - } + // TODO: compensate borders when any of the panels is empty. - BackgroundItem.prototype = new Item (null, null, null); + // 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'); - BackgroundItem.prototype.baseClassName = 'item background'; - BackgroundItem.prototype.stack = false; + // calculate heights of the content panels + props.root.height = dom.root.offsetHeight; + props.background.height = props.root.height - borderRootHeight; + var containerHeight = props.root.height - props.top.height - props.bottom.height - + borderRootHeight; + props.centerContainer.height = containerHeight; + props.leftContainer.height = containerHeight; + props.rightContainer.height = props.leftContainer.height; - /** - * 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 - */ - BackgroundItem.prototype.isVisible = function(range) { - // determine visibility - return (this.data.start < range.end) && (this.data.end > range.start); - }; + // 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; - /** - * Repaint the item - */ - BackgroundItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; + // 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'; - // background box - dom.box = document.createElement('div'); - // className is updated in redraw() + 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'; - // contents box - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); + // 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'; - // attach this item as attribute - dom.box['timeline-item'] = this; + // 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(); - this.dirty = true; + // 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'; - // append DOM to parent DOM - if (!this.parent) { - throw new Error('Cannot redraw item: no parent attached'); - } - if (!dom.box.parentNode) { - var background = this.parent.dom.background; - if (!background) { - throw new Error('Cannot redraw item: parent has no background container element'); - } - background.appendChild(dom.box); - } - this.displayed = true; + // 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 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); + // redraw all components + this.components.forEach(function (component) { + resized = component.redraw() || resized; + }); + if (resized) { + // keep repainting until all sizes are settled + this.redraw(); + } + }; - // update class - var className = (this.data.className ? (' ' + this.data.className) : '') + - (this.selected ? ' selected' : ''); - dom.box.className = this.baseClassName + className; + // TODO: deprecated since version 1.1.0, remove some day + Core.prototype.repaint = function () { + throw new Error('Function repaint is deprecated. Use redraw instead.'); + }; - // determine from css whether this box has overflow - this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; + /** + * 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'); + } - // recalculate size - this.props.content.width = this.dom.content.offsetWidth; - this.height = 0; // set height zero, so this item will be ignored when stacking items + this.currentTime.setCurrentTime(time); + }; - this.dirty = false; + /** + * 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'); } + + return this.currentTime.getCurrentTime(); }; /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. + * 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 */ - BackgroundItem.prototype.show = RangeItem.prototype.show; + // TODO: move this function to Range + Core.prototype._toTime = function(x) { + return DateUtil.toTime(this.body, this.range, x, this.props.center.width); + }; /** - * Hide the item from the DOM (when visible) - * @return {Boolean} changed + * 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 */ - BackgroundItem.prototype.hide = RangeItem.prototype.hide; + // TODO: move this function to Range + Core.prototype._toGlobalTime = function(x) { + return DateUtil.toTime(this.body, this.range, x, this.props.root.width); + //var conversion = this.range.conversion(this.props.root.width); + //return new Date(x / conversion.scale + conversion.offset); + }; /** - * Reposition the item horizontally - * @Override + * Convert a datetime (Date object) into a position on the screen + * @param {Date} time A date + * @return {int} x The position on the screen in pixels which corresponds + * with the given date. + * @private */ - BackgroundItem.prototype.repositionX = RangeItem.prototype.repositionX; + // TODO: move this function to Range + Core.prototype._toScreen = function(time) { + return DateUtil.toScreen(this, time, this.props.center.width); + }; + + /** - * Reposition the item vertically - * @Override + * 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 */ - 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; + // 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; + }; - // 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; - } - } - } - // the others will have to be offset downwards with this same distance. - newTop += subgroupIndex != 0 ? margin.axis - 0.5 * margin.item.vertical : 0; - this.dom.box.style.top = newTop + 'px'; - this.dom.box.style.bottom = ''; - } - // and when the orientation is bottom: - else { - var newTop = this.parent.top; - for (var subgroup in subgroups) { - if (subgroups.hasOwnProperty(subgroup)) { - if (subgroups[subgroup].visible == true && subgroups[subgroup].index > subgroupIndex) { - newTop += subgroups[subgroup].height + margin.item.vertical; - } - } - } - height = this.parent.subgroups[itemSubgroup].height + margin.item.vertical; - this.dom.box.style.top = newTop + 'px'; - this.dom.box.style.bottom = ''; - } + /** + * Initialize watching when option autoResize is true + * @private + */ + Core.prototype._initAutoResize = function () { + if (this.options.autoResize == true) { + this._startAutoResize(); } - // 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._stopAutoResize(); } - this.dom.box.style.height = height + 'px'; }; - module.exports = BackgroundItem; + /** + * Watch for changes in the size of the container. On resize, the Panel will + * automatically redraw itself. + * @private + */ + Core.prototype._startAutoResize = function () { + var me = this; + this._stopAutoResize(); -/***/ }, -/* 33 */ -/***/ function(module, exports, __webpack_require__) { + this._onResize = function() { + if (me.options.autoResize != true) { + // stop watching when the option autoResize is changed to false + me._stopAutoResize(); + return; + } - var Item = __webpack_require__(31); - var util = __webpack_require__(1); + if (me.dom.root) { + // check whether the frame is resized + // Note: we compare offsetWidth here, not clientWidth. For some reason, + // IE does not restore the clientWidth from 0 to the actual width after + // changing the timeline's container display style from none to visible + if ((me.dom.root.offsetWidth != me.props.lastWidth) || + (me.dom.root.offsetHeight != me.props.lastHeight)) { + me.props.lastWidth = me.dom.root.offsetWidth; + me.props.lastHeight = me.dom.root.offsetHeight; - /** - * @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 - */ - function BoxItem (data, conversion, options) { - this.props = { - dot: { - width: 0, - height: 0 - }, - line: { - width: 0, - height: 0 + me.emit('change'); + } } }; - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data); - } - } - - Item.call(this, data, conversion, options); - } + // add event listener to window resize + util.addEventListener(window, 'resize', this._onResize); - BoxItem.prototype = new Item (null, null, null); + this.watchTimer = setInterval(this._onResize, 1000); + }; /** - * 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 + * Stop watching for a resize of the frame. + * @private */ - BoxItem.prototype.isVisible = function(range) { - // determine visibility - // TODO: account for the real width of the item. Right now we just add 1/4 to the window - var interval = (range.end - range.start) / 4; - return (this.data.start > range.start - interval) && (this.data.start < range.end + interval); + Core.prototype._stopAutoResize = function () { + if (this.watchTimer) { + clearInterval(this.watchTimer); + this.watchTimer = undefined; + } + + // remove event listener on window.resize + util.removeEventListener(window, 'resize', this._onResize); + this._onResize = null; }; /** - * Repaint the item + * Start moving the timeline vertically + * @param {Event} event + * @private */ - BoxItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; + Core.prototype._onTouch = function (event) { + this.touch.allowDragging = true; + }; - // create main box - dom.box = document.createElement('DIV'); + /** + * Start moving the timeline vertically + * @param {Event} event + * @private + */ + Core.prototype._onPinch = function (event) { + this.touch.allowDragging = false; + }; - // contents box (inside the background box). used for making margins - dom.content = document.createElement('DIV'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); + /** + * Start moving the timeline vertically + * @param {Event} event + * @private + */ + Core.prototype._onDragStart = function (event) { + this.touch.initialScrollTop = this.props.scrollTop; + }; - // line to axis - dom.line = document.createElement('DIV'); - dom.line.className = 'line'; + /** + * 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; - // dot on axis - dom.dot = document.createElement('DIV'); - dom.dot.className = 'dot'; + var delta = event.gesture.deltaY; - // attach this item as attribute - dom.box['timeline-item'] = this; + var oldScrollTop = this._getScrollTop(); + var newScrollTop = this._setScrollTop(this.touch.initialScrollTop + delta); - this.dirty = true; + if (newScrollTop != oldScrollTop) { + this.redraw(); // TODO: this causes two redraws when dragging, the other is triggered by rangechange already } - - // 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; - - // Update DOM when item is marked dirty. An item is marked dirty when: - // - the item is not yet rendered - // - the item's data is changed - // - the item is selected/deselected - if (this.dirty) { - this._updateContents(this.dom.content); - this._updateTitle(this.dom.box); - this._updateDataAttributes(this.dom.box); - this._updateStyle(this.dom.box); - - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - dom.box.className = 'item box' + className; - dom.line.className = 'item line' + className; - dom.dot.className = 'item dot' + className; - - // recalculate size - this.props.dot.height = dom.dot.offsetHeight; - this.props.dot.width = dom.dot.offsetWidth; - this.props.line.width = dom.line.offsetWidth; - this.width = dom.box.offsetWidth; - this.height = dom.box.offsetHeight; - - this.dirty = false; - } - - this._repaintDeleteButton(dom.box); - }; + }; /** - * Show the item in the DOM (when not already displayed). The items DOM will - * be created when needed. - */ - BoxItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); - } - }; - - /** - * Hide the item from the DOM (when visible) + * Apply a scrollTop + * @param {Number} scrollTop + * @returns {Number} scrollTop Returns the applied scrollTop + * @private */ - BoxItem.prototype.hide = function() { - if (this.displayed) { - var dom = this.dom; - - if (dom.box.parentNode) dom.box.parentNode.removeChild(dom.box); - if (dom.line.parentNode) dom.line.parentNode.removeChild(dom.line); - if (dom.dot.parentNode) dom.dot.parentNode.removeChild(dom.dot); - - this.top = null; - this.left = null; - - this.displayed = false; - } + Core.prototype._setScrollTop = function (scrollTop) { + this.props.scrollTop = scrollTop; + this._updateScrollTop(); + return this.props.scrollTop; }; /** - * Reposition the item horizontally - * @Override + * Update the current scrollTop when the height of the containers has been changed + * @returns {Number} scrollTop Returns the applied scrollTop + * @private */ - BoxItem.prototype.repositionX = function() { - var start = this.conversion.toScreen(this.data.start); - var align = this.options.align; - var left; - var box = this.dom.box; - var line = this.dom.line; - var dot = this.dom.dot; - - // calculate left position of the box - if (align == 'right') { - this.left = start - this.width; - } - else if (align == 'left') { - this.left = start; - } - else { - // default or 'center' - this.left = start - this.width / 2; + 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; } - // reposition box - box.style.left = this.left + 'px'; - - // reposition line - line.style.left = (start - this.props.line.width / 2) + '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; - // reposition dot - dot.style.left = (start - this.props.dot.width / 2) + 'px'; + return this.props.scrollTop; }; /** - * Reposition the item vertically - * @Override + * Get the current scrollTop + * @returns {number} scrollTop + * @private */ - BoxItem.prototype.repositionY = function() { - var orientation = this.options.orientation; - var box = this.dom.box; - var line = this.dom.line; - var dot = this.dom.dot; - - if (orientation == 'top') { - box.style.top = (this.top || 0) + 'px'; - - line.style.top = '0'; - line.style.height = (this.parent.top + this.top + 1) + 'px'; - line.style.bottom = ''; - } - else { // orientation 'bottom' - var itemSetHeight = this.parent.itemSet.props.height; // TODO: this is nasty - var lineHeight = itemSetHeight - this.parent.top - this.parent.height + this.top; - - 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'; + Core.prototype._getScrollTop = function () { + return this.props.scrollTop; }; - module.exports = BoxItem; + module.exports = Core; /***/ }, -/* 34 */ +/* 26 */ /***/ function(module, exports, __webpack_require__) { - var Item = __webpack_require__(31); + var util = __webpack_require__(1); + var Component = __webpack_require__(23); + var TimeStep = __webpack_require__(27); + var DateUtil = __webpack_require__(24); + var moment = __webpack_require__(2); /** - * @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 + * A horizontal time axis + * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} body + * @param {Object} [options] See TimeAxis.setOptions for the available + * options. + * @constructor TimeAxis + * @extends Component */ - function PointItem (data, conversion, options) { + function TimeAxis (body, options) { + this.dom = { + foreground: null, + majorLines: [], + majorTexts: [], + minorLines: [], + minorTexts: [], + redundant: { + majorLines: [], + majorTexts: [], + minorLines: [], + minorTexts: [] + } + }; this.props = { - dot: { - top: 0, - width: 0, - height: 0 + range: { + start: 0, + end: 0, + minimumStep: 0 }, - content: { - height: 0, - marginLeft: 0 - } + lineTop: 0 }; - // validate data - if (data) { - if (data.start == undefined) { - throw new Error('Property "start" missing in item ' + data); - } - } + this.defaultOptions = { + orientation: 'bottom', // supported: 'top', 'bottom' + // TODO: implement timeaxis orientations 'left' and 'right' + showMinorLabels: true, + showMajorLabels: true + }; + this.options = util.extend({}, this.defaultOptions); - Item.call(this, data, conversion, options); + this.body = body; + + // create the HTML DOM + this._create(); + + this.setOptions(options); } - PointItem.prototype = new Item (null, null, null); + TimeAxis.prototype = new Component(); /** - * Check whether this item is visible inside given range - * @returns {{start: Number, end: Number}} range with a timestamp for start and end - * @returns {boolean} True if visible + * Set options for the TimeAxis. + * Parameters will be merged in current options. + * @param {Object} options Available options: + * {string} [orientation] + * {boolean} [showMinorLabels] + * {boolean} [showMajorLabels] */ - 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); + TimeAxis.prototype.setOptions = function(options) { + if (options) { + // copy all options that we know + util.selectiveExtend(['orientation', 'showMinorLabels', 'showMajorLabels','hiddenDates'], this.options, options); + + // apply locale to moment.js + // TODO: not so nice, this is applied globally to moment.js + if ('locale' in options) { + if (typeof moment.locale === 'function') { + // moment.js 2.8.1+ + moment.locale(options.locale); + } + else { + moment.lang(options.locale); + } + } + } }; /** - * Repaint the item + * Create the HTML DOM for the TimeAxis */ - PointItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; - - // background box - dom.point = document.createElement('div'); - // className is updated in redraw() - - // contents box, right from the dot - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.point.appendChild(dom.content); - - // dot at start - dom.dot = document.createElement('div'); - dom.point.appendChild(dom.dot); - - // attach this item as attribute - dom.point['timeline-item'] = this; + TimeAxis.prototype._create = function() { + this.dom.foreground = document.createElement('div'); + this.dom.background = document.createElement('div'); - this.dirty = true; - } + this.dom.foreground.className = 'timeaxis foreground'; + this.dom.background.className = 'timeaxis background'; + }; - // append DOM to parent DOM - if (!this.parent) { - throw new Error('Cannot redraw item: no parent attached'); + /** + * Destroy the TimeAxis + */ + TimeAxis.prototype.destroy = function() { + // remove from DOM + if (this.dom.foreground.parentNode) { + this.dom.foreground.parentNode.removeChild(this.dom.foreground); } - 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); + if (this.dom.background.parentNode) { + this.dom.background.parentNode.removeChild(this.dom.background); } - 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); + this.body = null; + }; - // 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; + /** + * 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; - // 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; + // 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); - // resize contents - dom.content.style.marginLeft = 2 * this.props.dot.width + 'px'; - //dom.content.style.marginRight = ... + 'px'; // TODO: margin right + // calculate character width and height + this._calculateCharSize(); - dom.dot.style.top = ((this.height - this.props.dot.height) / 2) + 'px'; - dom.dot.style.left = (this.props.dot.width / 2) + 'px'; + // 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; - this.dirty = false; - } + // determine the width and height of the elemens for the axis + props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; + props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; + props.height = props.minorLabelHeight + props.majorLabelHeight; + props.width = foreground.offsetWidth; - this._repaintDeleteButton(dom.point); - }; + 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 - /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. - */ - PointItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); - } - }; + // 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); - /** - * Hide the item from the DOM (when visible) - */ - PointItem.prototype.hide = function() { - if (this.displayed) { - if (this.dom.point.parentNode) { - this.dom.point.parentNode.removeChild(this.dom.point); - } + foreground.style.height = this.props.height + 'px'; - this.top = null; - this.left = null; + this._repaintLabels(); - this.displayed = false; + // put DOM online again (at the same place) + if (foregroundNextSibling) { + parent.insertBefore(foreground, foregroundNextSibling); + } + else { + parent.appendChild(foreground) + } + if (backgroundNextSibling) { + this.body.dom.backgroundVertical.insertBefore(background, backgroundNextSibling); } + else { + this.body.dom.backgroundVertical.appendChild(background) + } + + return this._isResized() || parentChanged; }; /** - * Reposition the item horizontally - * @Override + * Repaint major and minor text labels and vertical grid lines + * @private */ - PointItem.prototype.repositionX = function() { - var start = this.conversion.toScreen(this.data.start); - - this.left = start - this.props.dot.width; + TimeAxis.prototype._repaintLabels = function () { + var orientation = this.options.orientation; - // reposition point - this.dom.point.style.left = this.left + 'px'; - }; + // 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(); - /** - * Reposition the item vertically - * @Override - */ - PointItem.prototype.repositionY = function() { - var orientation = this.options.orientation, - point = this.dom.point; - if (orientation == 'top') { - point.style.top = this.top + 'px'; - } - else { - point.style.top = (this.parent.height - this.top - this.height) + 'px'; - } - }; + var step = new TimeStep(new Date(start), new Date(end), minimumStep, this.body.hiddenDates); + this.step = step; - module.exports = PointItem; + // 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(); -/***/ }, -/* 35 */ -/***/ function(module, exports, __webpack_require__) { - var Hammer = __webpack_require__(45); - var Item = __webpack_require__(31); + // TODO: lines must have a width, such that we can create css backgrounds - /** - * @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 + if (this.options.showMinorLabels) { + this._repaintMinorText(x, step.getLabelMinor(), orientation); } - }; - 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 (isMajor && this.options.showMajorLabels) { + if (x > 0) { + if (xFirstMajorLabel == undefined) { + xFirstMajorLabel = x; + } + this._repaintMajorText(x, step.getLabelMajor(), orientation); + } + this._repaintMajorLine(x, orientation); } - if (data.end == undefined) { - throw new Error('Property "end" missing in item ' + data.id); + else { + this._repaintMinorLine(x, orientation); } + + step.next(); } - Item.call(this, data, conversion, options); - } + // 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 - RangeItem.prototype = new Item (null, null, null); + if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { + this._repaintMajorText(0, leftText, orientation); + } + } - RangeItem.prototype.baseClassName = 'item range'; + // 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); + } + } + }); + }; /** - * 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 + * Create a minor label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @private */ - RangeItem.prototype.redraw = function() { - var dom = this.dom; - if (!dom) { - // create DOM - this.dom = {}; - dom = this.dom; + TimeAxis.prototype._repaintMinorText = function (x, text, orientation) { + // reuse redundant label + var label = this.dom.redundant.minorTexts.shift(); - // background box - dom.box = document.createElement('div'); - // className is updated in redraw() + 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); - // contents box - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); + label.childNodes[0].nodeValue = text; - // attach this item as attribute - dom.box['timeline-item'] = this; + label.style.top = (orientation == 'top') ? (this.props.majorLabelHeight + 'px') : '0'; + label.style.left = x + 'px'; + //label.title = title; // TODO: this is a heavy operation + }; - this.dirty = true; - } + /** + * Create a Major label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @private + */ + TimeAxis.prototype._repaintMajorText = function (x, text, orientation) { + // reuse redundant label + var label = this.dom.redundant.majorTexts.shift(); - // 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 (!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.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); + this.dom.majorTexts.push(label); - // update class - var className = (this.data.className ? (' ' + this.data.className) : '') + - (this.selected ? ' selected' : ''); - dom.box.className = this.baseClassName + className; + label.childNodes[0].nodeValue = text; + //label.title = title; // TODO: this is a heavy operation - // determine from css whether this box has overflow - this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden'; + label.style.top = (orientation == 'top') ? '0' : (this.props.minorLabelHeight + 'px'); + label.style.left = x + 'px'; + }; - // recalculate size - this.props.content.width = this.dom.content.offsetWidth; - this.height = this.dom.box.offsetHeight; + /** + * Create a minor line for the axis at position x + * @param {Number} x + * @param {String} orientation "top" or "bottom" (default) + * @private + */ + TimeAxis.prototype._repaintMinorLine = function (x, orientation) { + // reuse redundant line + var line = this.dom.redundant.minorLines.shift(); - this.dirty = false; + if (!line) { + // create vertical line + line = document.createElement('div'); + line.className = 'grid vertical minor'; + this.dom.background.appendChild(line); } + this.dom.minorLines.push(line); - this._repaintDeleteButton(dom.box); - this._repaintDragLeft(); - this._repaintDragRight(); + 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'; }; /** - * Show the item in the DOM (when not already visible). The items DOM will - * be created when needed. + * Create a Major line for the axis at position x + * @param {Number} x + * @param {String} orientation "top" or "bottom" (default) + * @private */ - RangeItem.prototype.show = function() { - if (!this.displayed) { - this.redraw(); + TimeAxis.prototype._repaintMajorLine = function (x, orientation) { + // reuse redundant line + var line = this.dom.redundant.majorLines.shift(); + + if (!line) { + // create vertical line + line = document.createElement('DIV'); + line.className = 'grid vertical major'; + this.dom.background.appendChild(line); + } + this.dom.majorLines.push(line); + + var props = this.props; + if (orientation == 'top') { + line.style.top = '0'; + } + else { + line.style.top = this.body.domProps.top.height + 'px'; } + line.style.left = (x - props.majorLineWidth / 2) + 'px'; + line.style.height = props.majorLineHeight + 'px'; }; /** - * Hide the item from the DOM (when visible) - * @return {Boolean} changed + * 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 */ - RangeItem.prototype.hide = function() { - if (this.displayed) { - var box = this.dom.box; + TimeAxis.prototype._calculateCharSize = function () { + // Note: We calculate char size with every redraw. Size may change, for + // example when any of the timelines parents had display:none for example. - if (box.parentNode) { - box.parentNode.removeChild(box); - } + // determine the char width and height on the minor axis + if (!this.dom.measureCharMinor) { + this.dom.measureCharMinor = document.createElement('DIV'); + this.dom.measureCharMinor.className = 'text minor measure'; + this.dom.measureCharMinor.style.position = 'absolute'; - this.top = null; - this.left = null; + 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.displayed = false; + // determine the char width and height on the major axis + if (!this.dom.measureCharMajor) { + this.dom.measureCharMajor = document.createElement('DIV'); + this.dom.measureCharMajor.className = 'text major measure'; + this.dom.measureCharMajor.style.position = 'absolute'; + + this.dom.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; }; /** - * Reposition the item horizontally - * @Override + * 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 */ - 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; + TimeAxis.prototype.snap = function(date) { + return this.step.snap(date); + }; - // 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); + module.exports = TimeAxis; - if (this.overflow) { - this.left = start; - this.width = boxWidth + this.props.content.width; - contentWidth = this.props.content.width; - // Note: The calculation of width is an optimistic calculation, giving - // a width which will not change when moving the Timeline - // So no re-stacking needed, which is nicer for the eye; - } - else { - this.left = start; - this.width = boxWidth; - contentWidth = Math.min(end - start, this.props.content.width); - } +/***/ }, +/* 27 */ +/***/ function(module, exports, __webpack_require__) { - this.dom.box.style.left = this.left + 'px'; - this.dom.box.style.width = boxWidth + 'px'; + var moment = __webpack_require__(2); + var DateUtil = __webpack_require__(24); - switch (this.options.align) { - case 'left': - this.dom.content.style.left = '0'; - break; + /** + * @constructor TimeStep + * The class TimeStep is an iterator for dates. You provide a start date and an + * end date. The class itself determines the best scale (step size) based on the + * provided start Date, end Date, and minimumStep. + * + * If minimumStep is provided, the step size is chosen as close as possible + * to the minimumStep but larger than minimumStep. If minimumStep is not + * provided, the scale is set to 1 DAY. + * The minimumStep should correspond with the onscreen size of about 6 characters + * + * Alternatively, you can set a scale by hand. + * After creation, you can initialize the class by executing first(). Then you + * can iterate from the start date to the end date via next(). You can check if + * the end date is reached with the function hasNext(). After each step, you can + * retrieve the current date via getCurrent(). + * The TimeStep has scales ranging from milliseconds, seconds, minutes, hours, + * days, to years. + * + * Version: 1.2 + * + * @param {Date} [start] The start date, for example new Date(2010, 9, 21) + * or new Date(2010, 9, 21, 23, 45, 00) + * @param {Date} [end] The end date + * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds + */ + function TimeStep(start, end, minimumStep, hiddenDates) { + // variables + this.current = new Date(); + this._start = new Date(); + this._end = new Date(); - case 'right': - this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding), 0) + 'px'; - break; + this.autoScale = true; + this.scale = TimeStep.SCALE.DAY; + this.step = 1; - case 'center': - this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding) / 2, 0) + 'px'; - break; + // initialize the range + this.setRange(start, end, minimumStep); - default: // 'auto' - if (this.overflow) { - // when range exceeds left of the window, position the contents at the left of the visible area - contentLeft = Math.max(-start, 0); - } - else { - // when range exceeds left of the window, position the contents at the left of the visible area - if (start < 0) { - contentLeft = Math.min(-start, - (end - start - this.props.content.width - 2 * this.options.padding)); - // TODO: remove the need for options.padding. it's terrible. - } - else { - contentLeft = 0; - } - } - this.dom.content.style.left = contentLeft + 'px'; + // hidden Dates options + this.switchedDay = false; + this.switchedMonth = false; + this.switchedYear = false; + this.hiddenDates = hiddenDates; + if (hiddenDates === undefined) { + this.hiddenDates = []; } + } + + /// enum scale + TimeStep.SCALE = { + MILLISECOND: 1, + SECOND: 2, + MINUTE: 3, + HOUR: 4, + DAY: 5, + WEEKDAY: 6, + MONTH: 7, + YEAR: 8 }; + /** - * Reposition the item vertically - * @Override + * 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 */ - RangeItem.prototype.repositionY = function() { - var orientation = this.options.orientation, - box = this.dom.box; - - if (orientation == 'top') { - box.style.top = this.top + 'px'; + TimeStep.prototype.setRange = function(start, end, minimumStep) { + if (!(start instanceof Date) || !(end instanceof Date)) { + throw "No legal start or end date in method setRange"; } - else { - box.style.top = (this.parent.height - this.top - this.height) + 'px'; + + 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); } }; /** - * Repaint a drag area on the left side of the range when the range is selected - * @protected + * Set the range iterator to the start date. */ - RangeItem.prototype._repaintDragLeft = function () { - if (this.selected && this.options.editable.updateTime && !this.dom.dragLeft) { - // create and show drag area - var dragLeft = document.createElement('div'); - dragLeft.className = 'drag-left'; - dragLeft.dragLeftItem = this; - - // TODO: this should be redundant? - Hammer(dragLeft, { - preventDefault: true - }).on('drag', function () { - //console.log('drag left') - }); + TimeStep.prototype.first = function() { + this.current = new Date(this._start.valueOf()); + this.roundToMinor(); + }; - this.dom.box.appendChild(dragLeft); - this.dom.dragLeft = dragLeft; + /** + * Round the current date to the first minor date value + * This must be executed once when the current date is set to start Date + */ + TimeStep.prototype.roundToMinor = function() { + // round to floor + // IMPORTANT: we have no breaks in this switch! (this is no bug) + //noinspection FallthroughInSwitchStatementJS + switch (this.scale) { + case TimeStep.SCALE.YEAR: + this.current.setFullYear(this.step * Math.floor(this.current.getFullYear() / this.step)); + this.current.setMonth(0); + case TimeStep.SCALE.MONTH: this.current.setDate(1); + case TimeStep.SCALE.DAY: // intentional fall through + case TimeStep.SCALE.WEEKDAY: this.current.setHours(0); + case TimeStep.SCALE.HOUR: this.current.setMinutes(0); + case TimeStep.SCALE.MINUTE: this.current.setSeconds(0); + case TimeStep.SCALE.SECOND: this.current.setMilliseconds(0); + //case TimeStep.SCALE.MILLISECOND: // nothing to do for milliseconds } - else if (!this.selected && this.dom.dragLeft) { - // delete drag area - if (this.dom.dragLeft.parentNode) { - this.dom.dragLeft.parentNode.removeChild(this.dom.dragLeft); + + if (this.step != 1) { + // round down to the first minor value that is a multiple of the current step size + switch (this.scale) { + case TimeStep.SCALE.MILLISECOND: this.current.setMilliseconds(this.current.getMilliseconds() - this.current.getMilliseconds() % this.step); break; + case TimeStep.SCALE.SECOND: this.current.setSeconds(this.current.getSeconds() - this.current.getSeconds() % this.step); break; + case TimeStep.SCALE.MINUTE: this.current.setMinutes(this.current.getMinutes() - this.current.getMinutes() % this.step); break; + case TimeStep.SCALE.HOUR: this.current.setHours(this.current.getHours() - this.current.getHours() % this.step); break; + case TimeStep.SCALE.WEEKDAY: // intentional fall through + case TimeStep.SCALE.DAY: this.current.setDate((this.current.getDate()-1) - (this.current.getDate()-1) % this.step + 1); break; + case TimeStep.SCALE.MONTH: this.current.setMonth(this.current.getMonth() - this.current.getMonth() % this.step); break; + case TimeStep.SCALE.YEAR: this.current.setFullYear(this.current.getFullYear() - this.current.getFullYear() % this.step); break; + default: break; } - this.dom.dragLeft = null; } }; /** - * Repaint a drag area on the right side of the range when the range is selected - * @protected + * Check if the there is a next step + * @return {boolean} true if the current date has not passed the end date */ - RangeItem.prototype._repaintDragRight = function () { - if (this.selected && this.options.editable.updateTime && !this.dom.dragRight) { - // create and show drag area - var dragRight = document.createElement('div'); - dragRight.className = 'drag-right'; - dragRight.dragRightItem = this; + TimeStep.prototype.hasNext = function () { + return (this.current.valueOf() <= this._end.valueOf()); + }; - // TODO: this should be redundant? - Hammer(dragRight, { - preventDefault: true - }).on('drag', function () { - //console.log('drag right') - }); + /** + * Do the next step + */ + TimeStep.prototype.next = function() { + var prev = this.current.valueOf(); - this.dom.box.appendChild(dragRight); - this.dom.dragRight = dragRight; + // 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 TimeStep.SCALE.MILLISECOND: + + this.current = new Date(this.current.valueOf() + this.step); break; + case TimeStep.SCALE.SECOND: this.current = new Date(this.current.valueOf() + this.step * 1000); break; + case TimeStep.SCALE.MINUTE: this.current = new Date(this.current.valueOf() + this.step * 1000 * 60); break; + case TimeStep.SCALE.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 TimeStep.SCALE.WEEKDAY: // intentional fall through + case TimeStep.SCALE.DAY: this.current.setDate(this.current.getDate() + this.step); break; + case TimeStep.SCALE.MONTH: this.current.setMonth(this.current.getMonth() + this.step); break; + case TimeStep.SCALE.YEAR: this.current.setFullYear(this.current.getFullYear() + this.step); break; + default: break; + } } - else if (!this.selected && this.dom.dragRight) { - // delete drag area - if (this.dom.dragRight.parentNode) { - this.dom.dragRight.parentNode.removeChild(this.dom.dragRight); + else { + switch (this.scale) { + case TimeStep.SCALE.MILLISECOND: this.current = new Date(this.current.valueOf() + this.step); break; + case TimeStep.SCALE.SECOND: this.current.setSeconds(this.current.getSeconds() + this.step); break; + case TimeStep.SCALE.MINUTE: this.current.setMinutes(this.current.getMinutes() + this.step); break; + case TimeStep.SCALE.HOUR: this.current.setHours(this.current.getHours() + this.step); break; + case TimeStep.SCALE.WEEKDAY: // intentional fall through + case TimeStep.SCALE.DAY: this.current.setDate(this.current.getDate() + this.step); break; + case TimeStep.SCALE.MONTH: this.current.setMonth(this.current.getMonth() + this.step); break; + case TimeStep.SCALE.YEAR: this.current.setFullYear(this.current.getFullYear() + this.step); break; + default: break; } - this.dom.dragRight = null; } - }; - module.exports = RangeItem; + if (this.step != 1) { + // round down to the correct major value + switch (this.scale) { + case TimeStep.SCALE.MILLISECOND: if(this.current.getMilliseconds() < this.step) this.current.setMilliseconds(0); break; + case TimeStep.SCALE.SECOND: if(this.current.getSeconds() < this.step) this.current.setSeconds(0); break; + case TimeStep.SCALE.MINUTE: if(this.current.getMinutes() < this.step) this.current.setMinutes(0); break; + case TimeStep.SCALE.HOUR: if(this.current.getHours() < this.step) this.current.setHours(0); break; + case TimeStep.SCALE.WEEKDAY: // intentional fall through + case TimeStep.SCALE.DAY: if(this.current.getDate() < this.step+1) this.current.setDate(1); break; + case TimeStep.SCALE.MONTH: if(this.current.getMonth() < this.step) this.current.setMonth(0); break; + case TimeStep.SCALE.YEAR: break; // nothing to do for year + default: break; + } + } + // safety mechanism: if current time is still unchanged, move to the end + if (this.current.valueOf() == prev) { + this.current = new Date(this._end.valueOf()); + } -/***/ }, -/* 36 */ -/***/ function(module, exports, __webpack_require__) { + DateUtil.stepOverHiddenDates(this, prev); + }; - var Emitter = __webpack_require__(53); - var Hammer = __webpack_require__(45); - var mousetrap = __webpack_require__(54); - 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__(51); - var Activator = __webpack_require__(52); - var locales = __webpack_require__(49); - // Load custom shapes into CanvasRenderingContext2D - __webpack_require__(50); + /** + * Get the current datetime + * @return {Date} current The current date + */ + TimeStep.prototype.getCurrent = function() { + return this.current; + }; /** - * @constructor Network - * Create a network visualization, displaying nodes and edges. + * 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 {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 + * @param {TimeStep.SCALE} newScale + * A scale. Choose from SCALE.MILLISECOND, + * SCALE.SECOND, SCALE.MINUTE, SCALE.HOUR, + * SCALE.WEEKDAY, SCALE.DAY, SCALE.MONTH, + * SCALE.YEAR. + * @param {Number} newStep A step size, by default 1. Choose for + * example 1, 2, 5, or 10. */ - function Network (container, data, options) { - if (!(this instanceof Network)) { - throw new SyntaxError('Constructor must be called with the new operator'); - } - - this._initializeMixinLoaders(); - - // create variables and set default values - this.containerElement = container; - - // render and calculation settings - this.renderRefreshRate = 60; // hz (fps) - this.renderTimestep = 1000 / this.renderRefreshRate; // ms -- saves calculation later on - this.renderTime = 0.5 * this.renderTimestep; // measured time it takes to render a frame - this.maxPhysicsTicksPerRender = 3; // max amount of physics ticks per render step. - this.physicsDiscreteStepsize = 0.50; // discrete stepsize of the simulation - - this.initializing = true; - - this.triggerFunctions = {add:null,edit:null,editEdge:null,connect:null,del:null}; - - // set constant values - this.defaultOptions = { - nodes: { - mass: 1, - radiusMin: 10, - radiusMax: 30, - radius: 10, - shape: 'ellipse', - image: undefined, - widthMin: 16, // px - widthMax: 64, // px - fontColor: 'black', - fontSize: 14, // px - fontFace: 'verdana', - fontFill: undefined, - level: -1, - color: { - border: '#2B7CE9', - background: '#97C2FC', - highlight: { - border: '#2B7CE9', - background: '#D2E5FF' - }, - hover: { - border: '#2B7CE9', - background: '#D2E5FF' - } - }, - borderColor: '#2B7CE9', - backgroundColor: '#97C2FC', - highlightColor: '#D2E5FF', - group: undefined, - borderWidth: 1, - borderWidthSelected: undefined - }, - edges: { - widthMin: 1, // - widthMax: 15,// - width: 1, - widthSelectionMultiplier: 2, - hoverWidth: 1.5, - style: 'line', - color: { - color:'#848484', - highlight:'#848484', - hover: '#848484' - }, - fontColor: '#343434', - fontSize: 14, // px - fontFace: 'arial', - fontFill: 'white', - arrowScaleFactor: 1, - dash: { - length: 10, - gap: 5, - altLength: undefined - }, - inheritColor: "from" // to, from, false, true (== from) - }, - configurePhysics:false, - physics: { - barnesHut: { - enabled: true, - theta: 1 / 0.6, // inverted to save time during calculation - gravitationalConstant: -2000, - centralGravity: 0.3, - springLength: 95, - springConstant: 0.04, - damping: 0.09 - }, - repulsion: { - centralGravity: 0.0, - springLength: 200, - springConstant: 0.05, - nodeDistance: 100, - damping: 0.09 - }, - hierarchicalRepulsion: { - enabled: false, - centralGravity: 0.0, - springLength: 100, - springConstant: 0.01, - nodeDistance: 150, - damping: 0.09 - }, - damping: null, - centralGravity: null, - springLength: null, - springConstant: null - }, - clustering: { // Per Node in Cluster = PNiC - enabled: false, // (Boolean) | global on/off switch for clustering. - initialMaxNodes: 100, // (# nodes) | if the initial amount of nodes is larger than this, we cluster until the total number is less than this threshold. - clusterThreshold:500, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than this. If it is, cluster until reduced to reduceToNodes - reduceToNodes:300, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than clusterThreshold. If it is, cluster until reduced to this - chainThreshold: 0.4, // (% of all drawn nodes)| maximum percentage of allowed chainnodes (long strings of connected nodes) within all nodes. (lower means less chains). - clusterEdgeThreshold: 20, // (px) | edge length threshold. if smaller, this node is clustered. - sectorThreshold: 100, // (# nodes in cluster) | cluster size threshold. If larger, expanding in own sector. - screenSizeThreshold: 0.2, // (% of canvas) | relative size threshold. If the width or height of a clusternode takes up this much of the screen, decluster node. - fontSizeMultiplier: 4.0, // (px PNiC) | how much the cluster font size grows per node in cluster (in px). - maxFontSize: 1000, - forceAmplification: 0.1, // (multiplier PNiC) | factor of increase fo the repulsion force of a cluster (per node in cluster). - distanceAmplification: 0.1, // (multiplier PNiC) | factor how much the repulsion distance of a cluster increases (per node in cluster). - edgeGrowth: 20, // (px PNiC) | amount of clusterSize connected to the edge is multiplied with this and added to edgeLength. - nodeScaling: {width: 1, // (px PNiC) | growth of the width per node in cluster. - height: 1, // (px PNiC) | growth of the height per node in cluster. - radius: 1}, // (px PNiC) | growth of the radius per node in cluster. - maxNodeSizeIncrements: 600, // (# increments) | max growth of the width per node in cluster. - activeAreaBoxSize: 80, // (px) | box area around the curser where clusters are popped open. - clusterLevelDifference: 2 - }, - navigation: { - enabled: false - }, - keyboard: { - enabled: false, - speed: {x: 10, y: 10, zoom: 0.02} - }, - dataManipulation: { - enabled: false, - initiallyVisible: false - }, - hierarchicalLayout: { - enabled:false, - levelSeparation: 150, - nodeSpacing: 100, - direction: "UD", // UD, DU, LR, RL - layout: "hubsize" // hubsize, directed - }, - freezeForStabilization: false, - smoothCurves: { - enabled: true, - dynamic: true, - type: "continuous", - roundness: 0.5 - }, - dynamicSmoothCurves: true, - maxVelocity: 30, - minVelocity: 0.1, // px/s - stabilize: true, // stabilize before displaying the network - stabilizationIterations: 1000, // maximum number of iteration to stabilize - locale: 'en', - locales: locales, - tooltip: { - delay: 300, - fontColor: 'black', - fontSize: 14, // px - fontFace: 'verdana', - color: { - border: '#666', - background: '#FFFFC6' - } - }, - dragNetwork: true, - dragNodes: true, - zoomable: true, - hover: false, - hideEdgesOnDrag: false, - hideNodesOnDrag: false, - width : '100%', - height : '100%', - selectable: true - }; - this.constants = util.extend({}, this.defaultOptions); - - this.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; + TimeStep.prototype.setScale = function(newScale, newStep) { + this.scale = newScale; - // 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(); - }); + if (newStep > 0) { + this.step = newStep; + } - // keyboard navigation variables - this.xIncrement = 0; - this.yIncrement = 0; - this.zoomIncrement = 0; + this.autoScale = false; + }; - // 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(); + /** + * Enable or disable autoscaling + * @param {boolean} enable If true, autoascaling is set true + */ + TimeStep.prototype.setAutoScale = function (enable) { + this.autoScale = enable; + }; - // apply options - this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2); - this._setScale(1); - this.setOptions(options); + /** + * Automatically determine the scale that bests fits the provided minimum step + * @param {Number} [minimumStep] The minimum step size in milliseconds + */ + TimeStep.prototype.setMinimumStep = function(minimumStep) { + if (minimumStep == undefined) { + return; + } - // other vars - this.freezeSimulation = false;// freeze the simulation - this.cachedFunctions = {}; - this.startedStabilization = false; - this.stabilized = false; - this.stabilizationIterations = null; + //var b = asc + ds; - // 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 + 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); - // 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 + // find the smallest step that is larger than the provided minimumStep + if (stepYear*1000 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 1000;} + if (stepYear*500 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 500;} + if (stepYear*100 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 100;} + if (stepYear*50 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 50;} + if (stepYear*10 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 10;} + if (stepYear*5 > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 5;} + if (stepYear > minimumStep) {this.scale = TimeStep.SCALE.YEAR; this.step = 1;} + if (stepMonth*3 > minimumStep) {this.scale = TimeStep.SCALE.MONTH; this.step = 3;} + if (stepMonth > minimumStep) {this.scale = TimeStep.SCALE.MONTH; this.step = 1;} + if (stepDay*5 > minimumStep) {this.scale = TimeStep.SCALE.DAY; this.step = 5;} + if (stepDay*2 > minimumStep) {this.scale = TimeStep.SCALE.DAY; this.step = 2;} + if (stepDay > minimumStep) {this.scale = TimeStep.SCALE.DAY; this.step = 1;} + if (stepDay/2 > minimumStep) {this.scale = TimeStep.SCALE.WEEKDAY; this.step = 1;} + if (stepHour*4 > minimumStep) {this.scale = TimeStep.SCALE.HOUR; this.step = 4;} + if (stepHour > minimumStep) {this.scale = TimeStep.SCALE.HOUR; this.step = 1;} + if (stepMinute*15 > minimumStep) {this.scale = TimeStep.SCALE.MINUTE; this.step = 15;} + if (stepMinute*10 > minimumStep) {this.scale = TimeStep.SCALE.MINUTE; this.step = 10;} + if (stepMinute*5 > minimumStep) {this.scale = TimeStep.SCALE.MINUTE; this.step = 5;} + if (stepMinute > minimumStep) {this.scale = TimeStep.SCALE.MINUTE; this.step = 1;} + if (stepSecond*15 > minimumStep) {this.scale = TimeStep.SCALE.SECOND; this.step = 15;} + if (stepSecond*10 > minimumStep) {this.scale = TimeStep.SCALE.SECOND; this.step = 10;} + if (stepSecond*5 > minimumStep) {this.scale = TimeStep.SCALE.SECOND; this.step = 5;} + if (stepSecond > minimumStep) {this.scale = TimeStep.SCALE.SECOND; this.step = 1;} + if (stepMillisecond*200 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 200;} + if (stepMillisecond*100 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 100;} + if (stepMillisecond*50 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 50;} + if (stepMillisecond*10 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 10;} + if (stepMillisecond*5 > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 5;} + if (stepMillisecond > minimumStep) {this.scale = TimeStep.SCALE.MILLISECOND; this.step = 1;} + }; - // datasets or dataviews - this.nodesData = null; // A DataSet or DataView - this.edgesData = null; // A DataSet or DataView + /** + * 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()); - // 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(); + if (this.scale == TimeStep.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 == TimeStep.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. } - }; - 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(); + else { + clone.setDate(1); } - }; - - // properties for the animation - this.moving = true; - this.timer = undefined; // Scheduling function. Is definded in this.start(); - - // load data (the disable start variable will be the same as the enabled clustering) - this.setData(data,this.constants.clustering.enabled || this.constants.hierarchicalLayout.enabled); - // hierarchical layout - this.initializing = false; - if (this.constants.hierarchicalLayout.enabled == true) { - this._setupHierarchicalLayout(); + clone.setHours(0); + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); } - 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); + else if (this.scale == TimeStep.SCALE.DAY) { + //noinspection FallthroughInSwitchStatementJS + switch (this.step) { + case 5: + case 2: + clone.setHours(Math.round(clone.getHours() / 24) * 24); break; + default: + clone.setHours(Math.round(clone.getHours() / 12) * 12); break; } + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); } - - // if clustering is disabled, the simulation will have started in the setData function - if (this.constants.clustering.enabled) { - this.startWithClustering(); + else if (this.scale == TimeStep.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); } - } - - // Extend Network with an Emitter mixin - Emitter(Network.prototype); - - /** - * 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 - */ - Network.prototype._getScriptPath = function() { - var scripts = document.getElementsByTagName( 'script' ); - - // find script named vis.js or vis.min.js - for (var i = 0; i < scripts.length; i++) { - var src = scripts[i].src; - var match = src && /\/?vis(.min)?\.js$/.exec(src); - if (match) { - // return path without the script name - return src.substring(0, src.length - match[0].length); + else if (this.scale == TimeStep.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 == TimeStep.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); } - - return null; - }; - - - /** - * Find the center position of the network - * @private - */ - Network.prototype._getRange = function() { - var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (minX > (node.x)) {minX = node.x;} - if (maxX < (node.x)) {maxX = node.x;} - if (minY > (node.y)) {minY = node.y;} - if (maxY < (node.y)) {maxY = node.y;} + else if (this.scale == TimeStep.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; } } - if (minX == 1e9 && maxX == -1e9 && minY == 1e9 && maxY == -1e9) { - minY = 0, maxY = 0, minX = 0, maxX = 0; + else if (this.scale == TimeStep.SCALE.MILLISECOND) { + var step = this.step > 5 ? this.step / 2 : 1; + clone.setMilliseconds(Math.round(clone.getMilliseconds() / step) * step); } - return {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; + + return clone; }; - /** - * @param {object} range = {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; - * @returns {{x: number, y: number}} - * @private + * 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. */ - Network.prototype._findCenter = function(range) { - return {x: (0.5 * (range.maxX + range.minX)), - y: (0.5 * (range.maxY + range.minY))}; - }; - - - /** - * 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. - */ - Network.prototype.zoomExtent = function(animationOptions, initialZoom, disableStart) { - if (initialZoom === undefined) { - initialZoom = false; - } - if (disableStart === undefined) { - disableStart = false; - } - if (animationOptions === undefined) { - animationOptions = false; - } - - var range = this._getRange(); - var zoomLevel; - - 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. - } + TimeStep.prototype.isMajor = function() { + if (this.switchedYear == true) { + this.switchedYear = false; + switch (this.scale) { + case TimeStep.SCALE.YEAR: + case TimeStep.SCALE.MONTH: + case TimeStep.SCALE.WEEKDAY: + case TimeStep.SCALE.DAY: + case TimeStep.SCALE.HOUR: + case TimeStep.SCALE.MINUTE: + case TimeStep.SCALE.SECOND: + case TimeStep.SCALE.MILLISECOND: + return true; + default: + return false; } - - // 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; - - var xZoomLevel = this.frame.canvas.clientWidth / xDistance; - var yZoomLevel = this.frame.canvas.clientHeight / yDistance; - - zoomLevel = (xZoomLevel <= yZoomLevel) ? xZoomLevel : yZoomLevel; + else if (this.switchedMonth == true) { + this.switchedMonth = false; + switch (this.scale) { + case TimeStep.SCALE.WEEKDAY: + case TimeStep.SCALE.DAY: + case TimeStep.SCALE.HOUR: + case TimeStep.SCALE.MINUTE: + case TimeStep.SCALE.SECOND: + case TimeStep.SCALE.MILLISECOND: + return true; + default: + return false; + } } - - if (zoomLevel > 1.0) { - zoomLevel = 1.0; + else if (this.switchedDay == true) { + this.switchedDay = false; + switch (this.scale) { + case TimeStep.SCALE.MILLISECOND: + case TimeStep.SCALE.SECOND: + case TimeStep.SCALE.MINUTE: + case TimeStep.SCALE.HOUR: + return true; + default: + return false; + } } - - 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); + switch (this.scale) { + case TimeStep.SCALE.MILLISECOND: + return (this.current.getMilliseconds() == 0); + case TimeStep.SCALE.SECOND: + return (this.current.getSeconds() == 0); + case TimeStep.SCALE.MINUTE: + return (this.current.getHours() == 0) && (this.current.getMinutes() == 0); + case TimeStep.SCALE.HOUR: + return (this.current.getHours() == 0); + case TimeStep.SCALE.WEEKDAY: // intentional fall through + case TimeStep.SCALE.DAY: + return (this.current.getDate() == 1); + case TimeStep.SCALE.MONTH: + return (this.current.getMonth() == 0); + case TimeStep.SCALE.YEAR: + return false; + default: + return false; } }; /** - * Update the this.nodeIndices with the most recent node index list - * @private + * 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 */ - Network.prototype._updateNodeIndexList = function() { - this._clearNodeIndexList(); - for (var idx in this.nodes) { - if (this.nodes.hasOwnProperty(idx)) { - this.nodeIndices.push(idx); - } + TimeStep.prototype.getLabelMinor = function(date) { + if (date == undefined) { + date = this.current; + } + + switch (this.scale) { + case TimeStep.SCALE.MILLISECOND: return moment(date).format('SSS'); + case TimeStep.SCALE.SECOND: return moment(date).format('s'); + case TimeStep.SCALE.MINUTE: return moment(date).format('HH:mm'); + case TimeStep.SCALE.HOUR: return moment(date).format('HH:mm'); + case TimeStep.SCALE.WEEKDAY: return moment(date).format('ddd D'); + case TimeStep.SCALE.DAY: return moment(date).format('D'); + case TimeStep.SCALE.MONTH: return moment(date).format('MMM'); + case TimeStep.SCALE.YEAR: return moment(date).format('YYYY'); + default: return ''; } }; /** - * 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. + * 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 */ - 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.'); + TimeStep.prototype.getLabelMajor = function(date) { + if (date == undefined) { + date = this.current; } - // 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(); + //noinspection FallthroughInSwitchStatementJS + switch (this.scale) { + case TimeStep.SCALE.MILLISECOND:return moment(date).format('HH:mm:ss'); + case TimeStep.SCALE.SECOND: return moment(date).format('D MMMM HH:mm'); + case TimeStep.SCALE.MINUTE: + case TimeStep.SCALE.HOUR: return moment(date).format('ddd D MMMM'); + case TimeStep.SCALE.WEEKDAY: + case TimeStep.SCALE.DAY: return moment(date).format('MMMM YYYY'); + case TimeStep.SCALE.MONTH: return moment(date).format('YYYY'); + case TimeStep.SCALE.YEAR: return ''; + default: return ''; } - this.initializing = false; }; + module.exports = TimeStep; + + +/***/ }, +/* 28 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var Component = __webpack_require__(23); + var moment = __webpack_require__(2); + var locales = __webpack_require__(29); + /** - * Set options - * @param {Object} options + * A current time bar + * @param {{range: Range, dom: Object, domProps: Object}} body + * @param {Object} [options] Available parameters: + * {Boolean} [showCurrentTime] + * @constructor CurrentTime + * @extends Component */ - Network.prototype.setOptions = function (options) { - if (options) { - var prop; + function CurrentTime (body, options) { + this.body = body; - var fields = ['nodes','edges','smoothCurves','hierarchicalLayout','clustering','navigation','keyboard','dataManipulation', - 'onAdd','onEdit','onEditEdge','onConnect','onDelete','clickToUse' - ]; - util.selectiveNotDeepExtend(fields,this.constants, options); - util.selectiveNotDeepExtend(['color'],this.constants.nodes, options.nodes); - util.selectiveNotDeepExtend(['color','length'],this.constants.edges, options.edges); + // default options + this.defaultOptions = { + showCurrentTime: true, - if (options.physics) { - util.mergeOptions(this.constants.physics, options.physics,'barnesHut'); - util.mergeOptions(this.constants.physics, options.physics,'repulsion'); + locales: locales, + locale: 'en' + }; + this.options = util.extend({}, this.defaultOptions); + this.offset = 0; - 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]; - } - } - } - } + this._create(); - 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;} + this.setOptions(options); + } - 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'); + CurrentTime.prototype = new Component(); + /** + * 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%'; - if (options.dataManipulation) { - this.editMode = this.constants.dataManipulation.initiallyVisible; - } + this.bar = bar; + }; + /** + * Destroy the CurrentTime bar + */ + CurrentTime.prototype.destroy = function () { + this.options.showCurrentTime = false; + this.redraw(); // will remove the bar from the DOM and stop refreshing - // 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.body = null; + }; - 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;} - } - } - } + /** + * Set options for the component. Options will be merged in current options. + * @param {Object} options Available parameters: + * {boolean} [showCurrentTime] + */ + CurrentTime.prototype.setOptions = function(options) { + if (options) { + // copy all options that we know + util.selectiveExtend(['showCurrentTime', 'locale', 'locales'], this.options, options); + } + }; - 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); - } + /** + * 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); - 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); - } + this.start(); } - if ('clickToUse' in options) { - if (options.clickToUse) { - this.activator = new Activator(this.frame); - this.activator.on('change', this._createKeyBinds.bind(this)); - } - else { - if (this.activator) { - this.activator.destroy(); - delete this.activator; - } - } - } + var now = new Date(new Date().valueOf() + this.offset); + var x = this.body.util.toScreen(now); - if (options.labels) { - throw new Error('Option "labels" is deprecated. Use options "locale" and "locales" instead.'); + var locale = this.options.locales[this.options.locale]; + var title = locale.current + ' ' + locale.time + ': ' + moment(now).format('dddd, MMMM Do YYYY, H:mm:ss'); + title = title.charAt(0).toUpperCase() + title.substring(1); + + this.bar.style.left = x + 'px'; + this.bar.title = title; + } + else { + // remove the line from the DOM + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); } + this.stop(); } - // (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(); + return false; }; /** - * 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 + * Start auto refreshing the current time bar */ - Network.prototype._create = function () { - // remove all elements from the container element. - while (this.containerElement.hasChildNodes()) { - this.containerElement.removeChild(this.containerElement.firstChild); - } + CurrentTime.prototype.start = function() { + var me = this; - this.frame = document.createElement('div'); - this.frame.className = 'vis network-frame'; - this.frame.style.position = 'relative'; - this.frame.style.overflow = 'hidden'; + function update () { + me.stop(); - // create the network 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); - } + // 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; - 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('release', me._onRelease.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) ); + me.redraw(); - // add the frame to the container element - this.containerElement.appendChild(this.frame); + // start a timer to adjust for the new time + me.currentTimeTimer = setTimeout(update, interval); + } + update(); }; - /** - * Binding the keys for keyboard navigation. These functions are defined in the NavigationMixin - * @private + * Stop auto refreshing the current time bar */ - Network.prototype._createKeyBinds = function() { - var me = this; - this.mousetrap = mousetrap; - - this.mousetrap.reset(); - - if (this.constants.keyboard.enabled && this.isActive()) { - this.mousetrap.bind("up", this._moveUp.bind(me) , "keydown"); - this.mousetrap.bind("up", this._yStopMoving.bind(me), "keyup"); - this.mousetrap.bind("down", this._moveDown.bind(me) , "keydown"); - this.mousetrap.bind("down", this._yStopMoving.bind(me), "keyup"); - this.mousetrap.bind("left", this._moveLeft.bind(me) , "keydown"); - this.mousetrap.bind("left", this._xStopMoving.bind(me), "keyup"); - this.mousetrap.bind("right",this._moveRight.bind(me), "keydown"); - this.mousetrap.bind("right",this._xStopMoving.bind(me), "keyup"); - this.mousetrap.bind("=", this._zoomIn.bind(me), "keydown"); - this.mousetrap.bind("=", this._stopZoom.bind(me), "keyup"); - this.mousetrap.bind("-", this._zoomOut.bind(me), "keydown"); - this.mousetrap.bind("-", this._stopZoom.bind(me), "keyup"); - this.mousetrap.bind("[", this._zoomIn.bind(me), "keydown"); - this.mousetrap.bind("[", this._stopZoom.bind(me), "keyup"); - this.mousetrap.bind("]", this._zoomOut.bind(me), "keydown"); - this.mousetrap.bind("]", this._stopZoom.bind(me), "keyup"); - this.mousetrap.bind("pageup",this._zoomIn.bind(me), "keydown"); - this.mousetrap.bind("pageup",this._stopZoom.bind(me), "keyup"); - this.mousetrap.bind("pagedown",this._zoomOut.bind(me),"keydown"); - this.mousetrap.bind("pagedown",this._stopZoom.bind(me), "keyup"); - } - - if (this.constants.dataManipulation.enabled == true) { - this.mousetrap.bind("escape",this._createManipulatorBar.bind(me)); - this.mousetrap.bind("del",this._deleteSelected.bind(me)); - } - }; + CurrentTime.prototype.stop = function() { + if (this.currentTimeTimer !== undefined) { + clearTimeout(this.currentTimeTimer); + delete this.currentTimeTimer; + } + }; /** - * Get the pointer location from a touch location - * @param {{pageX: Number, pageY: Number}} touch - * @return {{x: Number, y: Number}} pointer - * @private + * 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. */ - Network.prototype._getPointer = function (touch) { - return { - x: touch.pageX - util.getAbsoluteLeft(this.frame.canvas), - y: touch.pageY - util.getAbsoluteTop(this.frame.canvas) - }; + CurrentTime.prototype.setCurrentTime = function(time) { + var t = util.convert(time, 'Date').valueOf(); + var now = new Date().valueOf(); + this.offset = t - now; + this.redraw(); }; /** - * On start of a touch gesture, store the pointer - * @param event - * @private + * Get the current time. + * @return {Date} Returns the current time. */ - Network.prototype._onTouch = function (event) { - this.drag.pointer = this._getPointer(event.gesture.center); - this.drag.pinched = false; - this.pinch.scale = this._getScale(); + CurrentTime.prototype.getCurrentTime = function() { + return new Date(new Date().valueOf() + this.offset); + }; - this._handleTouch(this.drag.pointer); + module.exports = CurrentTime; + + +/***/ }, +/* 29 */ +/***/ function(module, exports, __webpack_require__) { + + // English + exports['en'] = { + current: 'current', + time: 'time' }; + exports['en_EN'] = exports['en']; + exports['en_US'] = exports['en']; - /** - * handle drag start event - * @private - */ - Network.prototype._onDragStart = function () { - this._handleDragStart(); + // Dutch + exports['nl'] = { + custom: 'aangepaste', + time: 'tijd' }; + exports['nl_NL'] = exports['nl']; + exports['nl_BE'] = exports['nl']; +/***/ }, +/* 30 */ +/***/ 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__(29); + /** - * This function is called by _onDragStart. - * It is separated out because we can then overload it for the datamanipulation system. - * - * @private + * A custom time bar + * @param {{range: Range, dom: Object}} body + * @param {Object} [options] Available parameters: + * {Boolean} [showCustomTime] + * @constructor CustomTime + * @extends Component */ - 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; + function CustomTime (body, options) { + this.body = body; - if (node != null && this.constants.dragNodes == true) { - drag.nodeId = node.id; - // select the clicked node if not yet selected - if (!node.isSelected()) { - this._selectObject(node,false); - } + // default options + this.defaultOptions = { + showCustomTime: false, + locales: locales, + locale: 'en' + }; + this.options = util.extend({}, this.defaultOptions); - this.emit("dragStart",{nodeIds:this.getSelection().nodes}); + this.customTime = new Date(); + this.eventParams = {}; // stores state parameters while dragging the bar - // 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, + // create the DOM + this._create(); - // store original x, y, xFixed and yFixed, make the node temporarily Fixed - x: object.x, - y: object.y, - xFixed: object.xFixed, - yFixed: object.yFixed - }; + this.setOptions(options); + } - object.xFixed = true; - object.yFixed = true; + CustomTime.prototype = new Component(); - drag.selection.push(s); - } - } + /** + * 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); } }; - /** - * handle drag event + * Create the DOM for the custom time * @private */ - Network.prototype._onDrag = function (event) { - this._handleOnDrag(event) - }; + 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); + // 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)); + }; /** - * This function is called by _onDrag. - * It is separated out because we can then overload it for the datamanipulation system. - * - * @private + * Destroy the CustomTime bar */ - Network.prototype._handleOnDrag = function(event) { - if (this.drag.pinched) { - return; - } - - // remove the focus on node if it is focussed on by the focusOnNode - this.releaseNode(); + CustomTime.prototype.destroy = function () { + this.options.showCustomTime = false; + this.redraw(); // will remove the bar from the DOM - var pointer = this._getPointer(event.gesture.center); - var me = this; - var drag = this.drag; - var selection = drag.selection; - if (selection && selection.length && this.constants.dragNodes == true) { - // calculate delta's and new location - var deltaX = pointer.x - drag.pointer.x; - var deltaY = pointer.y - drag.pointer.y; + this.hammer.enable(false); + this.hammer = null; - // update position of all selected nodes - selection.forEach(function (s) { - var node = s.node; + this.body = null; + }; - if (!s.xFixed) { - node.x = me._XconvertDOMtoCanvas(me._XconvertCanvasToDOM(s.x) + deltaX); + /** + * 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); + } - if (!s.yFixed) { - node.y = me._YconvertDOMtoCanvas(me._YconvertCanvasToDOM(s.y) + deltaY); - } - }); + 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); - // start _animationStep if not yet running - if (!this.moving) { - this.moving = true; - this.start(); - } + this.bar.style.left = x + 'px'; + this.bar.title = title; } 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(); + // remove the line from the DOM + if (this.bar.parentNode) { + this.bar.parentNode.removeChild(this.bar); } } - }; - /** - * handle drag start event - * @private - */ - Network.prototype._onDragEnd = function (event) { - this._handleDragEnd(event); + return 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(); - } - this.emit("dragEnd",{nodeIds:this.getSelection().nodes}); - } /** - * handle tap/click event: select/unselect a node - * @private + * Set custom time. + * @param {Date | number | string} time */ - Network.prototype._onTap = function (event) { - var pointer = this._getPointer(event.gesture.center); - this.pointerPosition = pointer; - this._handleTap(pointer); - + CustomTime.prototype.setCustomTime = function(time) { + this.customTime = util.convert(time, 'Date'); + this.redraw(); }; - /** - * handle doubletap event - * @private + * Retrieve the current custom time. + * @return {Date} customTime */ - Network.prototype._onDoubleTap = function (event) { - var pointer = this._getPointer(event.gesture.center); - this._handleDoubleTap(pointer); + CustomTime.prototype.getCustomTime = function() { + return new Date(this.customTime.valueOf()); }; - /** - * handle long tap event: multi select nodes + * Start moving horizontally + * @param {Event} event * @private */ - Network.prototype._onHold = function (event) { - var pointer = this._getPointer(event.gesture.center); - this.pointerPosition = pointer; - this._handleOnHold(pointer); - }; + CustomTime.prototype._onDragStart = function(event) { + this.eventParams.dragging = true; + this.eventParams.customTime = this.customTime; - /** - * handle the release of the screen - * - * @private - */ - Network.prototype._onRelease = function (event) { - var pointer = this._getPointer(event.gesture.center); - this._handleOnRelease(pointer); + event.stopPropagation(); + event.preventDefault(); }; /** - * Handle pinch event - * @param event + * Perform moving operating. + * @param {Event} event * @private */ - Network.prototype._onPinch = function (event) { - var pointer = this._getPointer(event.gesture.center); + CustomTime.prototype._onDrag = function (event) { + if (!this.eventParams.dragging) return; - this.drag.pinched = true; - if (!('scale' in this.pinch)) { - this.pinch.scale = 1; - } + var deltaX = event.gesture.deltaX, + x = this.body.util.toScreen(this.eventParams.customTime) + deltaX, + time = this.body.util.toTime(x); - // TODO: enabled moving while pinching? - var scale = this.pinch.scale * event.gesture.scale; - this._zoom(scale, pointer) + this.setCustomTime(time); + + // fire a timechange event + this.body.emitter.emit('timechange', { + time: new Date(this.customTime.valueOf()) + }); + + event.stopPropagation(); + event.preventDefault(); }; /** - * 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 + * Stop moving operating. + * @param {event} event * @private */ - Network.prototype._zoom = function(scale, pointer) { - if (this.constants.zoomable == true) { - var scaleOld = this._getScale(); - if (scale < 0.00001) { - scale = 0.00001; - } - if (scale > 10) { - scale = 10; - } - - 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(); + CustomTime.prototype._onDragEnd = function (event) { + if (!this.eventParams.dragging) return; - var scaleFrac = scale / scaleOld; - var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; - var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac; + // fire a timechanged event + this.body.emitter.emit('timechanged', { + time: new Date(this.customTime.valueOf()) + }); - this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), - "y" : this._YconvertDOMtoCanvas(pointer.y)}; + event.stopPropagation(); + event.preventDefault(); + }; - this._setScale(scale); - this._setTranslation(tx, ty); - this.updateClustersDefault(); + module.exports = CustomTime; - if (preScaleDragPointer != null) { - var postScaleDragPointer = this.canvasToDOM(preScaleDragPointer); - this.drag.pointer.x = postScaleDragPointer.x; - this.drag.pointer.y = postScaleDragPointer.y; - } - this._redraw(); +/***/ }, +/* 31 */ +/***/ function(module, exports, __webpack_require__) { - if (scaleOld < scale) { - this.emit("zoom", {direction:"+"}); - } - else { - this.emit("zoom", {direction:"-"}); - } + 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__(32); + var BackgroundGroup = __webpack_require__(36); + var BoxItem = __webpack_require__(37); + var PointItem = __webpack_require__(38); + var RangeItem = __webpack_require__(34); + var BackgroundItem = __webpack_require__(39); - return scale; - } - }; + var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items + var BACKGROUND = '__background__'; // reserved group id for background items without group /** - * 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 + * 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 */ - 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; - } + function ItemSet(body, options) { + this.body = body; - // 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) { + this.defaultOptions = { + type: null, // 'box', 'point', 'range', 'background' + orientation: 'bottom', // 'top' or 'bottom' + align: 'auto', // alignment of box items + stack: true, + groupOrder: null, - // calculate the new scale - var scale = this._getScale(); - var zoom = delta / 10; - if (delta < 0) { - zoom = zoom / (1 - zoom); - } - scale *= (1 + zoom); + selectable: true, + editable: { + updateTime: false, + updateGroup: false, + add: false, + remove: false + }, - // calculate the pointer location - var gesture = hammerUtil.fakeGesture(this, event); - var pointer = this._getPointer(gesture.center); + 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); + }, - // apply the new scale - this._zoom(scale, pointer); - } + margin: { + item: { + horizontal: 10, + vertical: 10 + }, + axis: 20 + }, + padding: 5 + }; - // Prevent default actions caused by mouse wheel. - event.preventDefault(); - }; + // options is shared by this ItemSet and all its items + this.options = util.extend({}, this.defaultOptions); + // options for getting items from the DataSet with the correct type + this.itemOptions = { + type: {start: 'Date', end: 'Date'} + }; - /** - * Mouse move handler for checking whether the title moves over a node with a title. - * @param {Event} event - * @private - */ - Network.prototype._onMouseMoveTitle = function (event) { - var gesture = hammerUtil.fakeGesture(this, event); - var pointer = this._getPointer(gesture.center); - - // 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); + this.conversion = { + toScreen: body.util.toScreen, + toTime: body.util.toTime }; - if (this.popupTimer) { - clearInterval(this.popupTimer); // stop any running calculationTimer - } - if (!this.drag.dragging) { - this.popupTimer = setTimeout(checkShow, this.constants.tooltip.delay); - } + this.dom = {}; + this.props = {}; + this.hammer = null; + var me = this; + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet - /** - * 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]; - } + // 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); } + }; - // adding hover highlights - var obj = this._getNodeAt(pointer); - if (obj == null) { - obj = this._getEdgeAt(pointer); - } - if (obj != null) { - this._hoverObject(obj); + // 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); } + }; - // 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(); - } + this.items = {}; // object with an Item for every data item + this.groups = {}; // Group object for every group + this.groupIds = []; + + this.selection = []; // list with the ids of all selected nodes + this.stackDirty = true; // if true, all items will be restacked on next redraw + + this.touchParams = {}; // stores properties while dragging + // create the HTML DOM + + this._create(); + + this.setOptions(options); + } + + ItemSet.prototype = new Component(); + + // available item types will be registered here + ItemSet.types = { + background: BackgroundItem, + box: BoxItem, + range: RangeItem, + point: PointItem }; /** - * 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 + * Create the HTML DOM for the ItemSet */ - 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) - }; + ItemSet.prototype._create = function(){ + var frame = document.createElement('div'); + frame.className = 'itemset'; + frame['timeline-itemset'] = this; + this.dom.frame = frame; - var id; - var lastPopupNode = this.popupObj; + // create background panel + var background = document.createElement('div'); + background.className = 'background'; + frame.appendChild(background); + this.dom.background = background; - 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; + // create foreground panel + var foreground = document.createElement('div'); + foreground.className = 'foreground'; + frame.appendChild(foreground); + this.dom.foreground = foreground; + + // create axis panel + var axis = document.createElement('div'); + axis.className = 'axis'; + this.dom.axis = axis; + + // create labelset + var labelSet = document.createElement('div'); + labelSet.className = 'labelset'; + this.dom.labelSet = labelSet; + + // create ungrouped Group + this._updateUngrouped(); + + // create background Group + var backgroundGroup = new BackgroundGroup(BACKGROUND, null, this); + backgroundGroup.show(); + this.groups[BACKGROUND] = backgroundGroup; + + // attach event listeners + // Note: we bind to the centerContainer for the case where the height + // of the center container is larger than of the ItemSet, so we + // can click in the empty area to create a new item or deselect an item. + this.hammer = Hammer(this.body.dom.centerContainer, { + prevent_default: true + }); + + // drag items when selected + this.hammer.on('touch', this._onTouch.bind(this)); + this.hammer.on('dragstart', this._onDragStart.bind(this)); + this.hammer.on('drag', this._onDrag.bind(this)); + this.hammer.on('dragend', this._onDragEnd.bind(this)); + + // single select (or unselect) when tapping an item + this.hammer.on('tap', this._onSelectItem.bind(this)); + + // multi select when holding mouse/touch, or on ctrl+click + this.hammer.on('hold', this._onMultiSelectItem.bind(this)); + + // add item on doubletap + this.hammer.on('doubletap', this._onAddItem.bind(this)); + + // attach to the DOM + this.show(); + }; + + /** + * 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); + + 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); + } } } } - } - 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; - } + 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); } } - } - 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); + // 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); - // 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(); - } + // force the itemSet to refresh: options like orientation and margins may be changed + this.markDirty(); } }; - /** - * 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 + * Mark the ItemSet dirty so it will refresh everything with next redraw */ - Network.prototype._checkHidePopup = function (pointer) { - if (!this.popupObj || !this._getNodeAt(pointer) ) { - this.popupObj = undefined; - if (this.popup) { - this.popup.hide(); - } - } + ItemSet.prototype.markDirty = function() { + this.groupIds = []; + this.stackDirty = true; }; - /** - * 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%') + * Destroy the ItemSet */ - Network.prototype.setSize = function(width, height) { - var emitEvent = false; - var oldWidth = this.frame.canvas.width; - var oldHeight = this.frame.canvas.height; - if (width != this.constants.width || height != this.constants.height || this.frame.style.width != width || this.frame.style.height != height) { - this.frame.style.width = width; - this.frame.style.height = height; - - this.frame.canvas.style.width = '100%'; - this.frame.canvas.style.height = '100%'; + ItemSet.prototype.destroy = function() { + this.hide(); + this.setItems(null); + this.setGroups(null); - this.frame.canvas.width = this.frame.canvas.clientWidth; - this.frame.canvas.height = this.frame.canvas.clientHeight; + this.hammer = null; - this.constants.width = width; - this.constants.height = height; + this.body = null; + this.conversion = null; + }; - emitEvent = true; + /** + * Hide the component from the DOM + */ + ItemSet.prototype.hide = function() { + // remove the frame containing the items + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); } - else { - // 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.frame.canvas.width = this.frame.canvas.clientWidth; - emitEvent = true; - } - if (this.frame.canvas.height != this.frame.canvas.clientHeight) { - this.frame.canvas.height = this.frame.canvas.clientHeight; - emitEvent = true; - } + // remove the axis with dots + if (this.dom.axis.parentNode) { + this.dom.axis.parentNode.removeChild(this.dom.axis); } - if (emitEvent == true) { - this.emit('resize', {width:this.frame.canvas.width,height:this.frame.canvas.height, oldWidth: oldWidth, oldHeight: oldHeight}); + // remove the labelset containing all group labels + if (this.dom.labelSet.parentNode) { + this.dom.labelSet.parentNode.removeChild(this.dom.labelSet); } }; /** - * Set a data set with nodes for the network - * @param {Array | DataSet | DataView} nodes The data containing the nodes. - * @private + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed */ - 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'); + ItemSet.prototype.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); } - if (oldNodesData) { - // unsubscribe from old dataset - util.forEach(this.nodesListeners, function (callback, event) { - oldNodesData.off(event, callback); - }); + // show axis with dots + if (!this.dom.axis.parentNode) { + this.body.dom.backgroundVertical.appendChild(this.dom.axis); } - // 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); + // show labelset containing labels + if (!this.dom.labelSet.parentNode) { + this.body.dom.left.appendChild(this.dom.labelSet); } - this._updateSelection(); }; /** - * Add nodes - * @param {Number[] | String[]} ids - * @private + * Set selected items by their id. Replaces the current selection + * Unknown id's are silently ignored. + * @param {string[] | string} [ids] An array with zero or more id's of the items to be + * selected, or a single item id. If ids is undefined + * or an empty array, all items will be unselected. */ - Network.prototype._addNodes = function(ids) { - var id; - for (var i = 0, len = ids.length; i < len; i++) { + ItemSet.prototype.setSelection = function(ids) { + var i, ii, id, item; + + if (ids == undefined) ids = []; + if (!Array.isArray(ids)) ids = [ids]; + + // unselect currently selected items + for (i = 0, ii = this.selection.length; i < ii; i++) { + id = this.selection[i]; + item = this.items[id]; + if (item) item.unselect(); + } + + // select items + this.selection = []; + for (i = 0, ii = ids.length; i < ii; i++) { id = ids[i]; - 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);} + item = this.items[id]; + if (item) { + this.selection.push(id); + item.select(); } - 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(); + /** + * Get the selected items by their id + * @return {Array} ids The ids of the selected items + */ + ItemSet.prototype.getSelection = function() { + return this.selection.concat([]); }; /** - * Update existing nodes, or create them when not yet existing - * @param {Number[] | String[]} ids - * @private + * Get the id's of the currently visible items. + * @returns {Array} The ids of the visible items */ - 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; + 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); + } + } } } - this.moving = true; - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } - this._updateNodeIndexList(); - this._updateValueRange(nodes); + + return ids; }; /** - * Remove existing nodes. If nodes do not exist, the method will just ignore it. - * @param {Number[] | String[]} ids + * Deselect a selected item + * @param {String | Number} id * @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(); + ItemSet.prototype._deselect = function(id) { + var selection = this.selection; + for (var i = 0, ii = selection.length; i < ii; i++) { + if (selection[i] == id) { // non-strict comparison! + selection.splice(i, 1); + break; + } } - this._updateCalculationNodes(); - this._reconnectEdges(); - this._updateSelection(); - this._updateValueRange(nodes); }; /** - * Load edges by reading the data table - * @param {Array | DataSet | DataView} edges The data containing the edges. - * @private - * @private + * Repaint the component + * @return {boolean} Returns true if the component is resized */ - Network.prototype._setEdges = function(edges) { - var oldEdgesData = this.edgesData; + 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; - 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'); - } + // recalculate absolute position (before redrawing groups) + this.props.top = this.body.domProps.top.height + this.body.domProps.border.top; + this.props.left = this.body.domProps.left.width + this.body.domProps.border.left; - if (oldEdgesData) { - // unsubscribe from old dataset - util.forEach(this.edgesListeners, function (callback, event) { - oldEdgesData.off(event, callback); - }); - } + // update class name + frame.className = 'itemset' + (editable ? ' editable' : ''); - // remove drawn edges - this.edges = {}; + // reorder the groups (if needed) + resized = this._orderGroups() || resized; - if (this.edgesData) { - // subscribe to new dataset - var me = this; - util.forEach(this.edgesListeners, function (callback, event) { - me.edgesData.on(event, callback); - }); + // 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; - // draw all new nodes - var ids = this.edgesData.getIds(); - this._addEdges(ids); - } + var restack = this.stackDirty; + var firstGroup = this._firstGroup(); + var firstMargin = { + item: margin.item, + axis: margin.axis + }; + var nonFirstMargin = { + item: margin.item, + axis: margin.item.vertical / 2 + }; + var height = 0; + var minHeight = margin.axis + margin.item.vertical; - this._reconnectEdges(); - }; + // redraw the background group + this.groups[BACKGROUND].redraw(range, nonFirstMargin, restack); - /** - * Add edges - * @param {Number[] | String[]} ids - * @private - */ - Network.prototype._addEdges = function (ids) { - var edges = this.edges, - edgesData = this.edgesData; + // 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; - for (var i = 0, len = ids.length; i < len; i++) { - var id = ids[i]; + // update frame height + frame.style.height = asSize(height); - var oldEdge = edges[id]; - if (oldEdge) { - oldEdge.disconnect(); - } + // calculate actual size + this.props.width = frame.offsetWidth; + this.props.height = height; - 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(); - } + // 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; }; /** - * Update existing edges, or create them when not yet existing - * @param {Number[] | String[]} ids + * Get the first group, aligned with the axis + * @return {Group | null} firstGroup * @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]; - - 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; - } - } + 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]; - this._createBezierNodes(); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); - } - this.moving = true; - this._updateValueRange(edges); + return firstGroup || null; }; /** - * Remove existing edges. Non existing ids will be ignored - * @param {Number[] | String[]} ids - * @private + * Create or delete the group holding all ungrouped items. This group is used when + * there are no groups specified. + * @protected */ - 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]; + 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(); + } } - edge.disconnect(); - delete edges[id]; } } + 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; - this.moving = true; - this._updateValueRange(edges); - if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { - this._resetLevels(); - this._setupHierarchicalLayout(); + for (itemId in this.items) { + if (this.items.hasOwnProperty(itemId)) { + item = this.items[itemId]; + ungrouped.add(item); + } + } + + ungrouped.show(); + } } - this._updateCalculationNodes(); }; /** - * Reconnect all edges - * @private + * Get the element for the labelset + * @return {HTMLElement} labelSet */ - 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(); - } - } + ItemSet.prototype.getLabelSet = function() { + return this.dom.labelSet; }; /** - * 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 + * Set items + * @param {vis.DataSet | null} items */ - Network.prototype._updateValueRange = function(obj) { - var id; + ItemSet.prototype.setItems = function(items) { + var me = this, + ids, + oldItemsData = this.itemsData; - // 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); - } - } + // 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'); } - // adjust the range of all objects - if (valueMin !== undefined && valueMax !== undefined) { - for (id in obj) { - if (obj.hasOwnProperty(id)) { - obj[id].setValueRange(valueMin, valueMax); - } - } + if (oldItemsData) { + // unsubscribe from old dataset + util.forEach(this.itemListeners, function (callback, event) { + oldItemsData.off(event, callback); + }); + + // remove all drawn items + ids = oldItemsData.getIds(); + this._onRemove(ids); + } + + if (this.itemsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.itemListeners, function (callback, event) { + me.itemsData.on(event, callback, id); + }); + + // add all new items + ids = this.itemsData.getIds(); + this._onAdd(ids); + + // update the group holding all ungrouped items + this._updateUngrouped(); } }; /** - * Redraw the network with the current data - * chart will be resized too. + * Get the current items + * @returns {vis.DataSet | null} */ - Network.prototype.redraw = function() { - this.setSize(this.constants.width, this.constants.height); - this._redraw(); + ItemSet.prototype.getItems = function() { + return this.itemsData; }; /** - * Redraw the network with the current data - * @private + * Set groups + * @param {vis.DataSet} groups */ - Network.prototype._redraw = function() { - var ctx = this.frame.canvas.getContext('2d'); - // clear the canvas - var w = this.frame.canvas.width; - var h = this.frame.canvas.height; - ctx.clearRect(0, 0, w, h); - - // set scaling and translation - ctx.save(); - ctx.translate(this.translation.x, this.translation.y); - ctx.scale(this.scale, this.scale); - - this.canvasTopLeft = { - "x": this._XconvertDOMtoCanvas(0), - "y": this._YconvertDOMtoCanvas(0) - }; - this.canvasBottomRight = { - "x": this._XconvertDOMtoCanvas(this.frame.canvas.clientWidth), - "y": this._YconvertDOMtoCanvas(this.frame.canvas.clientHeight) - }; + ItemSet.prototype.setGroups = function(groups) { + var me = this, + ids; + // unsubscribe from current dataset + if (this.groupsData) { + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.unsubscribe(event, callback); + }); - this._doInAllSectors("_drawAllSectorNodes",ctx); - if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideEdgesOnDrag == false) { - this._doInAllSectors("_drawEdges",ctx); + // remove all drawn groups + ids = this.groupsData.getIds(); + this.groupsData = null; + this._onRemoveGroups(ids); // note: this will cause a redraw } - if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideNodesOnDrag == false) { - this._doInAllSectors("_drawNodes",ctx,false); + // 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.controlNodesActive == true) { - this._doInAllSectors("_drawControlNodes",ctx); + 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._doInSupportSector("_drawNodes",ctx,true); - // this._drawTree(ctx,"#F00F0F"); + // update the group holding all ungrouped items + this._updateUngrouped(); - // restore original scaling and translation - ctx.restore(); + // update the order of all items in each group + this._order(); + + this.body.emitter.emit('change', {queue: true}); }; /** - * Set the translation of the network - * @param {Number} offsetX Horizontal offset - * @param {Number} offsetY Vertical offset - * @private + * Get the current groups + * @returns {vis.DataSet | null} groups */ - 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; - } - - this.emit('viewChanged'); + ItemSet.prototype.getGroups = function() { + return this.groupsData; }; /** - * Get the translation of the network - * @return {Object} translation An object with parameters x and y, both a number - * @private + * Remove an item by its id + * @param {String | Number} id */ - Network.prototype._getTranslation = function() { - return { - x: this.translation.x, - y: this.translation.y - }; + ItemSet.prototype.removeItem = function(id) { + var item = this.itemsData.get(id), + dataset = this.itemsData.getDataSet(); + + if (item) { + // confirm deletion + this.options.onRemove(item, function (item) { + if (item) { + // remove by id here, it is possible that an item has no id defined + // itself, so better not delete by the item itself + dataset.remove(id); + } + }); + } }; /** - * Scale the network - * @param {Number} scale Scaling factor 1.0 is unscaled + * Get the time of an item based on it's data and options.type + * @param {Object} itemData + * @returns {string} Returns the type * @private */ - Network.prototype._setScale = function(scale) { - this.scale = scale; + ItemSet.prototype._getType = function (itemData) { + return itemData.type || this.options.type || (itemData.end ? 'range' : 'box'); }; + /** - * Get the current scale of the network - * @return {Number} scale Scaling factor 1.0 is unscaled + * Get the group id for an item + * @param {Object} itemData + * @returns {string} Returns the groupId * @private */ - Network.prototype._getScale = function() { - return this.scale; + 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; + } }; /** - * 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 + * Handle updated items + * @param {Number[]} ids + * @protected */ - Network.prototype._XconvertDOMtoCanvas = function(x) { - return (x - this.translation.x) / this.scale; - }; + ItemSet.prototype._onUpdate = function(ids) { + var me = this; - /** - * Convert the X coordinate in canvas-space (the simulation sandbox, which the camera looks upon) to - * the X coordinate in DOM-space (coordinate point in browser relative to the container div) - * @param {number} x - * @returns {number} - * @private - */ - Network.prototype._XconvertCanvasToDOM = function(x) { - return x * this.scale + this.translation.x; + 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}); }; /** - * 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 + * Handle added items + * @param {Number[]} ids + * @protected */ - Network.prototype._YconvertDOMtoCanvas = function(y) { - return (y - this.translation.y) / this.scale; - }; + ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; /** - * 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 + * Handle removed items + * @param {Number[]} ids + * @protected */ - Network.prototype._YconvertCanvasToDOM = function(y) { - return y * this.scale + this.translation.y ; - }; + ItemSet.prototype._onRemove = function(ids) { + var count = 0; + var me = this; + ids.forEach(function (id) { + var item = me.items[id]; + if (item) { + count++; + me._removeItem(item); + } + }); + if (count) { + // update order + this._order(); + this.stackDirty = true; // force re-stacking of all items next redraw + this.body.emitter.emit('change', {queue: true}); + } + }; /** - * - * @param {object} pos = {x: number, y: number} - * @returns {{x: number, y: number}} - * @constructor + * Update the order of item in all groups + * @private */ - Network.prototype.canvasToDOM = function (pos) { - return {x: this._XconvertCanvasToDOM(pos.x), y: this._YconvertCanvasToDOM(pos.y)}; + 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(); + }); }; /** - * - * @param {object} pos = {x: number, y: number} - * @returns {{x: number, y: number}} - * @constructor + * Handle updated groups + * @param {Number[]} ids + * @private */ - Network.prototype.DOMtoCanvas = function (pos) { - return {x: this._XconvertDOMtoCanvas(pos.x), y: this._YconvertDOMtoCanvas(pos.y)}; + ItemSet.prototype._onUpdateGroups = function(ids) { + this._onAddGroups(ids); }; /** - * Redraw all nodes - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx - * @param {Boolean} [alwaysShow] + * Handle changed groups (added or updated) + * @param {Number[]} ids * @private */ - Network.prototype._drawNodes = function(ctx,alwaysShow) { - if (alwaysShow === undefined) { - alwaysShow = false; - } + ItemSet.prototype._onAddGroups = function(ids) { + var me = this; - // first draw the unselected nodes - var nodes = this.nodes; - var selected = []; + ids.forEach(function (id) { + var groupData = me.groupsData.get(id); + var group = me.groups[id]; - 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 (!group) { + // check for reserved ids + if (id == UNGROUPED || id == BACKGROUND) { + throw new Error('Illegal group id. ' + id + ' is a reserved id.'); } - else { - if (nodes[id].inArea() || alwaysShow) { - nodes[id].draw(ctx); + + 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); + } } } - } - } - // draw the selected nodes on top - for (var s = 0, sMax = selected.length; s < sMax; s++) { - if (nodes[selected[s]].inArea() || alwaysShow) { - nodes[selected[s]].draw(ctx); + group.order(); + group.show(); } - } + else { + // update group + group.setData(groupData); + } + }); + + this.body.emitter.emit('change', {queue: true}); }; /** - * Redraw all edges - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx + * Handle removed groups + * @param {Number[]} ids * @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); - } + ItemSet.prototype._onRemoveGroups = function(ids) { + var groups = this.groups; + ids.forEach(function (id) { + var group = groups[id]; + + if (group) { + group.hide(); + delete groups[id]; } - } + }); + + this.markDirty(); + + this.body.emitter.emit('change', {queue: true}); }; /** - * Redraw all edges - * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); - * @param {CanvasRenderingContext2D} ctx + * Reorder the groups if needed + * @return {boolean} changed * @private */ - Network.prototype._drawControlNodes = function(ctx) { - var edges = this.edges; - for (var id in edges) { - if (edges.hasOwnProperty(id)) { - edges[id]._drawControlNodes(ctx); + ItemSet.prototype._orderGroups = function () { + if (this.groupsData) { + // reorder the groups + var groupIds = this.groupsData.getIds({ + order: this.options.groupOrder + }); + + var changed = !util.equalArray(groupIds, this.groupIds); + if (changed) { + // hide all groups, removes them from the DOM + var groups = this.groups; + groupIds.forEach(function (groupId) { + groups[groupId].hide(); + }); + + // show the groups again, attach them to the DOM in correct order + groupIds.forEach(function (groupId) { + groups[groupId].show(); + }); + + this.groupIds = groupIds; } + + return changed; + } + else { + return false; } }; /** - * Find a stable position for all nodes + * Add a new item + * @param {Item} item * @private */ - Network.prototype._stabilize = function() { - if (this.constants.freezeForStabilization == true) { - this._freezeDefinedNodes(); - } + ItemSet.prototype._addItem = function(item) { + this.items[item.id] = item; - // find stable position - var count = 0; - while (this.moving && count < this.constants.stabilizationIterations) { - this._physicsTick(); - count++; - } - this.zoomExtent(undefined,false,true); - if (this.constants.freezeForStabilization == true) { - this._restoreFrozenNodes(); - } + // add to group + var groupId = this._getGroupId(item.data); + var group = this.groups[groupId]; + if (group) group.add(item); }; /** - * 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. - * + * Update an existing item + * @param {Item} item + * @param {Object} itemData * @private */ - Network.prototype._freezeDefinedNodes = function() { - var nodes = this.nodes; - for (var id in nodes) { - if (nodes.hasOwnProperty(id)) { - if (nodes[id].x != null && nodes[id].y != null) { - nodes[id].fixedData.x = nodes[id].xFixed; - nodes[id].fixedData.y = nodes[id].yFixed; - nodes[id].xFixed = true; - nodes[id].yFixed = true; - } - } + ItemSet.prototype._updateItem = function(item, itemData) { + var oldGroupId = item.data.group; + + // update the items data (will redraw the item when displayed) + item.setData(itemData); + + // update group + if (oldGroupId != item.data.group) { + var oldGroup = this.groups[oldGroupId]; + if (oldGroup) oldGroup.remove(item); + + var groupId = this._getGroupId(item.data); + var group = this.groups[groupId]; + if (group) group.add(item); } }; /** - * Unfreezes the nodes that have been frozen by _freezeDefinedNodes. - * + * Delete an item from the ItemSet: remove it from the DOM, from the map + * with items, and from the map with visible items, and from the selection + * @param {Item} item * @private */ - Network.prototype._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; - } - } - } - }; + ItemSet.prototype._removeItem = function(item) { + // remove from DOM + item.hide(); + + // 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); + }; /** - * 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 + * Create an array containing all items being a range (having an end date) + * @param array + * @returns {Array} * @private */ - Network.prototype._isMoving = function(vmin) { - var nodes = this.nodes; - for (var id in nodes) { - if (nodes.hasOwnProperty(id) && nodes[id].isMoving(vmin)) { - return true; + 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 false; + return endArray; }; - /** - * /** - * Perform one discrete step for all nodes + * Register the clicked item on touch, before dragStart is initiated. + * + * dragStart is initiated from a mousemove event, which can have left the item + * already resulting in an item == null * + * @param {Event} event * @private */ - Network.prototype._discreteStepNodes = function() { - var interval = this.physicsDiscreteStepsize; - var nodes = this.nodes; - var nodeId; - var nodesPresent = false; + ItemSet.prototype._onTouch = function (event) { + // store the touched item, used in _onDragStart + this.touchParams.item = ItemSet.itemFromTarget(event); + }; - if (this.constants.maxVelocity > 0) { - for (nodeId in nodes) { - if (nodes.hasOwnProperty(nodeId)) { - nodes[nodeId].discreteStepLimited(interval, this.constants.maxVelocity); - nodesPresent = true; - } - } + /** + * Start dragging the selected events + * @param {Event} event + * @private + */ + ItemSet.prototype._onDragStart = function (event) { + if (!this.options.editable.updateTime && !this.options.editable.updateGroup) { + return; } - else { - for (nodeId in nodes) { - if (nodes.hasOwnProperty(nodeId)) { - nodes[nodeId].discreteStep(interval); - nodesPresent = true; + + var item = this.touchParams.item || null; + var me = this; + var props; + + if (item && item.selected) { + var dragLeftItem = event.target.dragLeftItem; + var dragRightItem = event.target.dragRightItem; + + 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; } + + this.touchParams.itemProps = [props]; } - } + else if (dragRightItem) { + props = { + item: dragRightItem, + initialX: event.gesture.center.clientX + }; - if (nodesPresent == true) { - var vminCorrected = this.constants.minVelocity / Math.max(this.scale,0.05); - if (vminCorrected > 0.5*this.constants.maxVelocity) { - return 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; + } + + this.touchParams.itemProps = [props]; } else { - return this._isMoving(vminCorrected); + this.touchParams.itemProps = this.getSelection().map(function (id) { + var item = me.items[id]; + var props = { + item: item, + initialX: event.gesture.center.clientX + }; + + if (me.options.editable.updateTime) { + if ('start' in item.data) props.start = item.data.start.valueOf(); + if ('end' in item.data) props.end = item.data.end.valueOf(); + } + if (me.options.editable.updateGroup) { + if ('group' in item.data) props.group = item.data.group; + } + + return props; + }); } + + event.stopPropagation(); } - return false; }; /** - * A single simulation step (or "tick") in the physics simulation - * + * Drag selected items + * @param {Event} event * @private */ - Network.prototype._physicsTick = function() { - if (!this.freezeSimulation) { - if (this.moving == true) { - var mainMovingStatus = false; - var supportMovingStatus = false; + ItemSet.prototype._onDrag = function (event) { + 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; - this._doInAllActiveSectors("_initializeForceCalculation"); - var mainMoving = this._doInAllActiveSectors("_discreteStepNodes"); - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - supportMovingStatus = this._doInSupportSector("_discreteStepNodes"); + // 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; + + if ('start' in props) { + var start = new Date(props.start + offset); + newProps.start = snap ? snap(start) : start; } - // gather movement data from all sectors, if one moves, we are NOT stabilzied - for (var i = 0; i < mainMoving.length; i++) {mainMovingStatus = mainMoving[0] || mainMovingStatus;} - // determine if the network has stabilzied - this.moving = mainMovingStatus || supportMovingStatus; + if ('end' in props) { + var end = new Date(props.end + offset); + newProps.end = snap ? snap(end) : end; + } - this.stabilizationIterations++; - } - } - }; + if ('group' in props) { + // drag from one group to another + var group = ItemSet.groupFromTarget(event); + newProps.group = group && group.groupId; + } + // confirm moving the item + var itemData = util.extend({}, props.item.data, newProps); + me.options.onMoving(itemData, function (itemData) { + if (itemData) { + me._updateItemProps(props.item, itemData); + } + }); + }); + + this.stackDirty = true; // force re-stacking of all items next redraw + this.body.emitter.emit('change'); + + event.stopPropagation(); + } + }; /** - * This function runs one step of the animation. It calls an x amount of physics ticks and one render tick. - * It reschedules itself at the beginning of the function - * + * Update an items properties + * @param {Item} item + * @param {Object} props Can contain properties start, end, and group. * @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(); + 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) + } + }; - // this schedules a new animation step - this.start(); + /** + * 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(); - // 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++; + item.data.group = group.groupId; } - // start the rendering process - var renderTime = Date.now(); - this._redraw(); - this.renderTime = Date.now() - renderTime; }; - if (typeof window !== 'undefined') { - window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || - window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; - } - /** - * Schedule a animation step with the refreshrate interval. + * End of dragging selected items + * @param {Event} event + * @private */ - 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; - } + ItemSet.prototype._onDragEnd = function (event) { + if (this.touchParams.itemProps) { + // prepare a change set for the changed items + var changes = [], + me = this, + dataset = this.itemsData.getDataSet(); - if (!this.timer) { - var ua = navigator.userAgent.toLowerCase(); + 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 requiresTimeout = false; - if (ua.indexOf('msie 9.0') != -1) { // IE 9 - requiresTimeout = true; + 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'); } - else if (ua.indexOf('safari') != -1) { // safari - if (ua.indexOf('chrome') <= -1) { - requiresTimeout = true; - } + 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 (requiresTimeout == true) { - this.timer = window.setTimeout(this._animationStep.bind(this), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function + if ('group' in props.item.data) { + changed = changed || (props.group != props.item.data.group); + itemData.group = props.item.data.group; } - else{ - this.timer = window.requestAnimationFrame(this._animationStep.bind(this), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function + + // 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); } - } - 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); - } + + event.stopPropagation(); } }; - /** - * Move the network according to the keyboard presses. - * + * Handle selecting/deselecting an item when tapping it + * @param {Event} event * @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); + 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; } - }; + var oldSelection = this.getSelection(); - /** - * Freeze the _animationStep - */ - Network.prototype.toggleFreeze = function() { - if (this.freezeSimulation == false) { - this.freezeSimulation = true; - } - else { - this.freezeSimulation = false; - this.start(); + var item = ItemSet.itemFromTarget(event); + var selection = item ? [item.id] : []; + this.setSelection(selection); + + var newSelection = this.getSelection(); + + // 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: this.getSelection() + }); } }; - /** - * This function cleans the support nodes if they are not needed and adds them when they are. - * - * @param {boolean} [disableStart] + * Handle creation and updates of an item on double tap + * @param event * @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]; - } + 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.update(itemData); } - } + }); } 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; - } + // 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; } - } + newItem[this.itemsData._fieldId] = util.randomUUID(); - this._updateCalculationNodes(); - if (!disableStart) { - this.moving = true; - this.start(); + 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.add(item); + // TODO: need to trigger a redraw? + } + }); } }; - /** - * 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. - * + * Handle selecting/deselecting multiple items when holding an item + * @param {Event} event * @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(); - } - } + ItemSet.prototype._onMultiSelectItem = function (event) { + if (!this.options.selectable) return; + + var selection, + item = ItemSet.itemFromTarget(event); + + if (item) { + // multi select items + selection = this.getSelection(); // current selection + var index = selection.indexOf(item.id); + if (index == -1) { + // item is not yet selected -> select it + selection.push(item.id); + } + else { + // item is already selected -> deselect it + selection.splice(index, 1); } + this.setSelection(selection); + + this.body.emitter.emit('select', { + items: this.getSelection() + }); } }; /** - * load the functions that load the mixins into the prototype. - * - * @private + * Find an item from an event target: + * searches for the attribute 'timeline-item' in the event target's element tree + * @param {Event} event + * @return {Item | null} item */ - Network.prototype._initializeMixinLoaders = function () { - for (var mixin in MixinLoader) { - if (MixinLoader.hasOwnProperty(mixin)) { - Network.prototype[mixin] = MixinLoader[mixin]; + ItemSet.itemFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-item')) { + return target['timeline-item']; } + target = target.parentNode; } - }; - /** - * Load the XY positions of the nodes into the dataset. - */ - Network.prototype.storePosition = function() { - console.log("storePosition is depricated: use .storePositions() from now on.") - this.storePositions(); + return null; }; /** - * Load the XY positions of the nodes into the dataset. + * Find the Group from an event target: + * searches for the attribute 'timeline-group' in the event target's element tree + * @param {Event} event + * @return {Group | null} group */ - Network.prototype.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}); - } + ItemSet.groupFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-group')) { + return target['timeline-group']; } + target = target.parentNode; } - this.nodesData.update(dataArray); + + return null; }; /** - * Return the positions of the nodes. + * Find the ItemSet from an event target: + * searches for the attribute 'timeline-itemset' in the event target's element tree + * @param {Event} event + * @return {ItemSet | null} item */ - Network.prototype.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)}; - } + ItemSet.itemSetFromTarget = function(event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-itemset')) { + return target['timeline-itemset']; } + target = target.parentNode; } - return dataArray; + + return null; }; + module.exports = ItemSet; + + +/***/ }, +/* 32 */ +/***/ function(module, exports, __webpack_require__) { + var util = __webpack_require__(1); + var stack = __webpack_require__(33); + var RangeItem = __webpack_require__(34); /** - * Center a node in view. - * - * @param {Number} nodeId - * @param {Number} [options] + * @constructor Group + * @param {Number | String} groupId + * @param {Object} data + * @param {ItemSet} itemSet */ - Network.prototype.focusOnNode = function (nodeId, options) { - if (this.nodes.hasOwnProperty(nodeId)) { - if (options === undefined) { - options = {}; + function Group (groupId, data, itemSet) { + this.groupId = groupId; + this.subgroups = {}; + this.subgroupIndex = 0; + this.subgroupOrderer = data && data.subgroupOrder; + this.itemSet = itemSet; + + this.dom = {}; + this.props = { + label: { + width: 0, + height: 0 } - var nodePosition = {x: this.nodes[nodeId].x, y: this.nodes[nodeId].y}; - options.position = nodePosition; - options.lockedOnNode = nodeId; + }; + this.className = null; - this.moveTo(options) - } - else { - console.log("This nodeId cannot be found."); - } - }; + this.items = {}; // items filtered by groupId of this group + this.visibleItems = []; // items currently visible in window + this.orderedItems = { // items sorted by start and by end + byStart: [], + byEnd: [] + }; - /** - * - * @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 + this._create(); - this.animateView(options); - }; + this.setData(data); + } /** - * - * @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 + * Create DOM elements for the group + * @private */ - Network.prototype.animateView = function (options) { - if (options === undefined) { - options = {}; - return; - } + Group.prototype._create = function() { + var label = document.createElement('div'); + label.className = 'vlabel'; + this.dom.label = label; - // release if something focussed on the node - this.releaseNode(); - if (options.locked == true) { - this.lockedOnNodeId = options.lockedOnNode; - this.lockedOnNodeOffset = options.offset; - } + var inner = document.createElement('div'); + inner.className = 'inner'; + label.appendChild(inner); + this.dom.inner = inner; - // 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. - } + var foreground = document.createElement('div'); + foreground.className = 'group'; + foreground['timeline-group'] = this; + this.dom.foreground = foreground; - this.sourceScale = this._getScale(); - this.sourceTranslation = this._getTranslation(); - this.targetScale = options.scale; + this.dom.background = document.createElement('div'); + this.dom.background.className = 'group'; - // set the scale so the viewCenter is based on the correct zoom level. This is overridden in the transitionRedraw - // but at least then we'll have the target transition - this._setScale(this.targetScale); - var viewCenter = this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); - var distanceFromCenter = { // offset from view, distance view has to change by these x and y to center the node - x: viewCenter.x - options.position.x, - y: viewCenter.y - options.position.y - }; - this.targetTranslation = { - x: this.sourceTranslation.x + distanceFromCenter.x * this.targetScale + options.offset.x, - y: this.sourceTranslation.y + distanceFromCenter.y * this.targetScale + options.offset.y - }; + this.dom.axis = document.createElement('div'); + this.dom.axis.className = 'group'; - // 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(); - } + // 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); }; - - 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; - } - } - /** - * - * @param easingTime - * @private + * Set the group data for this group + * @param {Object} data Group data, can contain properties content and className */ - Network.prototype._transitionRedraw = function (easingTime) { - this.easingTime = easingTime || this.easingTime + this.animationSpeed; - this.easingTime += this.animationSpeed; - - var progress = util.easingFunctions[this.animationEasingFunction](this.easingTime); + Group.prototype.setData = function(data) { + // update contents + var content = data && data.content; + if (content instanceof Element) { + this.dom.inner.appendChild(content); + } + else if (content !== undefined && content !== null) { + this.dom.inner.innerHTML = content; + } + else { + this.dom.inner.innerHTML = this.groupId || ''; // groupId can be null + } - this._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 - ); + // update title + this.dom.label.title = data && data.title || ''; - this._classicRedraw(); - this.moving = true; + if (!this.dom.inner.firstChild) { + util.addClassName(this.dom.inner, 'hidden'); + } + else { + util.removeClassName(this.dom.inner, 'hidden'); + } - // cleanup - if (this.easingTime >= 1.0) { - this.easingTime = 0; - if (this.lockedOnNodeId != null) { - this._redraw = this._lockedRedraw; - } - else { - this._redraw = this._classicRedraw; + // 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); } - this.emit("animationFinished"); + 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; } - }; - - Network.prototype._classicRedraw = function () { - // placeholder function to be overloaded by animations; - }; - - /** - * Returns true when the Network is active. - * @returns {boolean} - */ - Network.prototype.isActive = function () { - return !this.activator || this.activator.active; - }; - - /** - * Sets the scale - * @returns {Number} - */ - Network.prototype.setScale = function () { - return this._setScale(); + // 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; + } }; - /** - * Returns the scale - * @returns {Number} + * Get the width of the group label + * @return {number} width */ - Network.prototype.getScale = function () { - return this._getScale(); + Group.prototype.getLabelWidth = function() { + return this.props.label.width; }; /** - * Returns the scale - * @returns {Number} + * Repaint this group + * @param {{start: number, end: number}} range + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * @param {boolean} [restack=false] Force restacking of all items + * @return {boolean} Returns true if the group is resized */ - Network.prototype.getCenterCoordinates = function () { - return this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); - }; - - module.exports = Network; + Group.prototype.redraw = function(range, margin, restack) { + var resized = false; + this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); -/***/ }, -/* 37 */ -/***/ function(module, exports, __webpack_require__) { + // 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; - var util = __webpack_require__(1); - var Node = __webpack_require__(40); + util.forEach(this.items, function (item) { + item.dirty = true; + if (item.displayed) item.redraw(); + }); - /** - * @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"; + restack = true; } - var fields = ['edges','physics']; - var constants = util.selectiveBridgeObject(fields,networkConstants); - this.options = constants.edges; - this.physics = constants.physics; - this.options['smoothCurves'] = networkConstants['smoothCurves']; + // 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.network = network; - - // initialize variables - this.id = undefined; - this.fromId = undefined; - this.toId = undefined; - this.title = undefined; - this.widthSelected = this.options.width * this.options.widthSelectionMultiplier; - this.value = undefined; - this.selected = false; - this.hover = false; - this.labelDimensions = {top:0,left:0,width:0,height:0,yLine:0}; // could be cached - this.dirtyLabel = true; - - this.from = null; // a node - this.to = null; // a node - this.via = null; // a temp node + // recalculate the height of the group + var height = this._calculateHeight(margin); - // 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 = []; + // 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; - this.connected = false; + // 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; - this.widthFixed = false; - this.lengthFixed = false; + // apply new height + this.dom.background.style.height = height + 'px'; + this.dom.foreground.style.height = height + 'px'; + this.dom.label.style.height = height + 'px'; - this.setProperties(properties); + // 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.controlNodesEnabled = false; - this.controlNodes = {from:null, to:null, positions:{}}; - this.connectedNode = null; - } + return resized; + }; /** - * Set or overwrite properties for the edge - * @param {Object} properties an object with properties - * @param {Object} constants and object with default, global properties + * recalculate the height of the group + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * @returns {number} Returns the height + * @private */ - Edge.prototype.setProperties = function(properties) { - if (!properties) { - return; + Group.prototype._calculateHeight = function (margin) { + // recalculate the height of the group + var height; + var visibleItems = this.visibleItems; + //var visibleSubgroups = []; + //this.visibleSubgroups = 0; + this.resetSubgroups(); + var me = this; + if (visibleItems.length) { + var min = visibleItems[0].top; + var max = visibleItems[0].top + visibleItems[0].height; + util.forEach(visibleItems, function (item) { + min = Math.min(min, item.top); + max = Math.max(max, (item.top + item.height)); + if (item.data.subgroup !== undefined) { + me.subgroups[item.data.subgroup].height = Math.max(me.subgroups[item.data.subgroup].height,item.height); + me.subgroups[item.data.subgroup].visible = true; + //if (visibleSubgroups.indexOf(item.data.subgroup) == -1){ + // visibleSubgroups.push(item.data.subgroup); + // me.visibleSubgroups += 1; + //} + } + }); + if (min > margin.axis) { + // there is an empty gap between the lowest item and the axis + var offset = min - margin.axis; + max -= offset; + util.forEach(visibleItems, function (item) { + item.top -= offset; + }); + } + height = max + margin.item.vertical / 2; } + else { + height = margin.axis + margin.item.vertical; + } + height = Math.max(height, this.props.label.height); - var fields = ['style','fontSize','fontFace','fontColor','fontFill','width', - 'widthSelectionMultiplier','hoverWidth','arrowScaleFactor','dash','inheritColor' - ]; - util.selectiveDeepExtend(fields, this.options, properties); + return height; + }; - if (properties.from !== undefined) {this.fromId = properties.from;} - if (properties.to !== undefined) {this.toId = properties.to;} + /** + * Show this group: attach to the DOM + */ + Group.prototype.show = function() { + if (!this.dom.label.parentNode) { + this.itemSet.dom.labelSet.appendChild(this.dom.label); + } - if (properties.id !== undefined) {this.id = properties.id;} - if (properties.label !== undefined) {this.label = properties.label; this.dirtyLabel = true;} + if (!this.dom.foreground.parentNode) { + this.itemSet.dom.foreground.appendChild(this.dom.foreground); + } - 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;} + if (!this.dom.background.parentNode) { + this.itemSet.dom.background.appendChild(this.dom.background); + } - 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;} - } + if (!this.dom.axis.parentNode) { + this.itemSet.dom.axis.appendChild(this.dom.axis); } + }; - // A node is connected when it has a from and to node. - this.connect(); + /** + * Hide this group: remove from the DOM + */ + Group.prototype.hide = function() { + var label = this.dom.label; + if (label.parentNode) { + label.parentNode.removeChild(label); + } - this.widthFixed = this.widthFixed || (properties.width !== undefined); - this.lengthFixed = this.lengthFixed || (properties.length !== undefined); + var foreground = this.dom.foreground; + if (foreground.parentNode) { + foreground.parentNode.removeChild(foreground); + } - this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; + var background = this.dom.background; + if (background.parentNode) { + background.parentNode.removeChild(background); + } - // 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; + var axis = this.dom.axis; + if (axis.parentNode) { + axis.parentNode.removeChild(axis); } }; /** - * Connect an edge to its nodes + * Add an item to the group + * @param {Item} item */ - Edge.prototype.connect = function () { - this.disconnect(); + Group.prototype.add = function(item) { + this.items[item.id] = item; + item.setParent(this); - this.from = this.network.nodes[this.fromId] || null; - this.to = this.network.nodes[this.toId] || null; - this.connected = (this.from && this.to); + // add to + if (item.data.subgroup !== undefined) { + if (this.subgroups[item.data.subgroup] === undefined) { + this.subgroups[item.data.subgroup] = {height:0, visible: false, index:this.subgroupIndex, items: []}; + this.subgroupIndex++; + } + this.subgroups[item.data.subgroup].items.push(item); + } + this.orderSubgroups(); - if (this.connected) { - this.from.attachEdge(this); - this.to.attachEdge(this); + 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); } - else { - if (this.from) { - this.from.detachEdge(this); + }; + + Group.prototype.orderSubgroups = function() { + if (this.subgroupOrderer !== undefined) { + var sortArray = []; + if (typeof this.subgroupOrderer == 'string') { + for (var subgroup in this.subgroups) { + sortArray.push({subgroup: subgroup, sortField: this.subgroups[subgroup].items[0].data[this.subgroupOrderer]}) + } + sortArray.sort(function (a, b) { + return a.sortField - b.sortField; + }) } - if (this.to) { - this.to.detachEdge(this); + else if (typeof this.subgroupOrderer == 'function') { + for (var subgroup in this.subgroups) { + sortArray.push(this.subgroups[subgroup].items[0].data); + } + sortArray.sort(this.subgroupOrderer); + } + + if (sortArray.length > 0) { + for (var i = 0; i < sortArray.length; i++) { + this.subgroups[sortArray[i].subgroup].index = i; + } } } }; - /** - * 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; + Group.prototype.resetSubgroups = function() { + for (var subgroup in this.subgroups) { + if (this.subgroups.hasOwnProperty(subgroup)) { + this.subgroups[subgroup].visible = false; + } } - - this.connected = false; }; /** - * get the title of this edge. - * @return {string} title The title of the edge, or undefined when no title - * has been set. + * Remove an item from the group + * @param {Item} item */ - Edge.prototype.getTitle = function() { - return typeof this.title === "function" ? this.title() : this.title; - }; + 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? + }; /** - * Retrieve the value of the edge. Can be undefined - * @return {Number} value + * Remove an item from the corresponding DataSet + * @param {Item} item */ - Edge.prototype.getValue = function() { - return this.value; + Group.prototype.removeFromDataSet = function(item) { + this.itemSet.removeItem(item.id); }; /** - * Adjust the value range of the edge. The edge will adjust it's width - * based on its value. - * @param {Number} min - * @param {Number} max + * Reorder the items */ - 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; - } + Group.prototype.order = function() { + var array = util.toArray(this.items); + this.orderedItems.byStart = array; + this.orderedItems.byEnd = this._constructByEndArray(array); + + stack.orderByStart(this.orderedItems.byStart); + stack.orderByEnd(this.orderedItems.byEnd); }; /** - * 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 + * Create an array containing all items being a range (having an end date) + * @param {Item[]} array + * @returns {RangeItem[]} + * @private */ - Edge.prototype.draw = function(ctx) { - throw "Method draw not initialized in edge"; + Group.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; }; /** - * 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 + * 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 */ - 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; + Group.prototype._updateVisibleItems = function(orderedItems, visibleItems, range) { + var initialPosByStart, + newVisibleItems = [], + i; - var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj); + // first check if the items that were in view previously are still in view. + // this handles the case for the RangeItem that is both before and after the current one. + if (visibleItems.length > 0) { + for (i = 0; i < visibleItems.length; i++) { + this._checkIfVisible(visibleItems[i], newVisibleItems, range); + } + } - return (dist < distMax); + // If there were no visible items previously, use binarySearch to find a visible PointItem or RangeItem (based on startTime) + if (newVisibleItems.length == 0) { + initialPosByStart = util.binarySearch(orderedItems.byStart, range, 'data','start'); } else { - return false + initialPosByStart = orderedItems.byStart.indexOf(newVisibleItems[0]); } - }; - 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 - }; + // use visible search to find a visible RangeItem (only based on endTime) + var initialPosByEnd = util.binarySearch(orderedItems.byEnd, range, 'data','end'); + + // if we found a initial ID to use, trace it up and down until we meet an invisible item. + if (initialPosByStart != -1) { + for (i = initialPosByStart; i >= 0; i--) { + if (this._checkIfInvisible(orderedItems.byStart[i], newVisibleItems, range)) {break;} + } + for (i = initialPosByStart + 1; i < orderedItems.byStart.length; i++) { + if (this._checkIfInvisible(orderedItems.byStart[i], newVisibleItems, range)) {break;} + } } - else if (this.options.inheritColor == "from" || this.options.inheritColor == true) { - colorObj = { - highlight: this.from.options.color.highlight.border, - hover: this.from.options.color.hover.border, - color: this.from.options.color.border - }; + + // if we found a initial ID to use, trace it up and down until we meet an invisible item. + if (initialPosByEnd != -1) { + for (i = initialPosByEnd; i >= 0; i--) { + if (this._checkIfInvisible(orderedItems.byEnd[i], newVisibleItems, range)) {break;} + } + for (i = initialPosByEnd + 1; i < orderedItems.byEnd.length; i++) { + if (this._checkIfInvisible(orderedItems.byEnd[i], newVisibleItems, range)) {break;} + } } - if (this.selected == true) {return colorObj.highlight;} - else if (this.hover == true) {return colorObj.hover;} - else {return colorObj.color;} + return newVisibleItems; }; + /** - * 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 + * this function checks if an item is invisible. If it is NOT we make it visible + * and add it to the global visible items. If it is, return true. + * + * @param {Item} item + * @param {Item[]} visibleItems + * @param {{start:number, end:number}} range + * @returns {boolean} * @private */ - Edge.prototype._drawLine = function(ctx) { - // set style - ctx.strokeStyle = this._getColor(); - ctx.lineWidth = this._getLineWidth(); - - if (this.from != this.to) { - // draw line - var via = this._line(ctx); - - // draw label - var point; - if (this.label) { - if (this.options.smoothCurves.enabled == true && via != null) { - var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); - var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); - point = {x:midpointX, y:midpointY}; - } - else { - point = this._pointOnLine(0.5); + Group.prototype._checkIfInvisible = function(item, visibleItems, range) { + if (item.isVisible(range)) { + if (!item.displayed) item.show(); + item.repositionX(); + if (visibleItems.indexOf(item) == -1) { + visibleItems.push(item); } - 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; + return false; } else { - x = node.x + radius; - y = node.y - node.height / 2; + if (item.displayed) item.hide(); + return true; } - this._circle(ctx, x, y, radius); - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); - } }; /** - * Get the line width of the edge. Depends on width and whether one of the - * connected nodes is selected. - * @return {Number} width + * 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 */ - 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); + 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 { - return Math.max(this.options.width, 0.3*this.networkScaleInv); + if (item.displayed) item.hide(); } - } }; - Edge.prototype._getViaCoordinates = function () { - var xVia = null; - var yVia = null; - var factor = this.options.smoothCurves.roundness; - var type = this.options.smoothCurves.type; + module.exports = Group; - var dx = Math.abs(this.from.x - this.to.x); - var dy = Math.abs(this.from.y - this.to.y); - if (type == 'discrete' || type == 'diagonalCross') { - if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dy; - yVia = this.from.y - factor * dy; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dy; - yVia = this.from.y - factor * dy; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dy; - yVia = this.from.y + factor * dy; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dy; - yVia = this.from.y + factor * dy; - } - } - if (type == "discrete") { - xVia = dx < factor * dy ? this.from.x : xVia; - } - } - else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dx; - yVia = this.from.y - factor * dx; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dx; - yVia = this.from.y - factor * dx; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - xVia = this.from.x + factor * dx; - yVia = this.from.y + factor * dx; - } - else if (this.from.x > this.to.x) { - xVia = this.from.x - factor * dx; - yVia = this.from.y + factor * dx; - } - } - if (type == "discrete") { - yVia = dy < factor * dx ? this.from.y : yVia; - } - } - } - else if (type == "straightCross") { - if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { // up - down - xVia = this.from.x; - if (this.from.y < this.to.y) { - yVia = this.to.y - (1-factor) * dy; - } - else { - yVia = this.to.y + (1-factor) * dy; - } - } - else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { // left - right - if (this.from.x < this.to.x) { - xVia = this.to.x - (1-factor) * dx; - } - else { - xVia = this.to.x + (1-factor) * dx; - } - yVia = this.from.y; - } - } - else if (type == 'horizontal') { - if (this.from.x < this.to.x) { - xVia = this.to.x - (1-factor) * dx; - } - else { - xVia = this.to.x + (1-factor) * dx; - } - yVia = this.from.y; - } - else if (type == 'vertical') { - xVia = this.from.x; - if (this.from.y < this.to.y) { - yVia = this.to.y - (1-factor) * dy; - } - else { - yVia = this.to.y + (1-factor) * dy; - } - } - else { // continuous - if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - // console.log(1) - xVia = this.from.x + factor * dy; - yVia = this.from.y - factor * dy; - xVia = this.to.x < xVia ? this.to.x : xVia; - } - else if (this.from.x > this.to.x) { - // console.log(2) - xVia = this.from.x - factor * dy; - yVia = this.from.y - factor * dy; - xVia = this.to.x > xVia ? this.to.x :xVia; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - // console.log(3) - xVia = this.from.x + factor * dy; - yVia = this.from.y + factor * dy; - xVia = this.to.x < xVia ? this.to.x : xVia; - } - else if (this.from.x > this.to.x) { - // console.log(4, this.from.x, this.to.x) - xVia = this.from.x - factor * dy; - yVia = this.from.y + factor * dy; - xVia = this.to.x > xVia ? this.to.x : xVia; - } - } - } - else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { - if (this.from.y > this.to.y) { - if (this.from.x < this.to.x) { - // console.log(5) - xVia = this.from.x + factor * dx; - yVia = this.from.y - factor * dx; - yVia = this.to.y > yVia ? this.to.y : yVia; - } - else if (this.from.x > this.to.x) { - // console.log(6) - xVia = this.from.x - factor * dx; - yVia = this.from.y - factor * dx; - yVia = this.to.y > yVia ? this.to.y : yVia; - } - } - else if (this.from.y < this.to.y) { - if (this.from.x < this.to.x) { - // console.log(7) - xVia = this.from.x + factor * dx; - yVia = this.from.y + factor * dx; - yVia = this.to.y < yVia ? this.to.y : yVia; - } - else if (this.from.x > this.to.x) { - // console.log(8) - xVia = this.from.x - factor * dx; - yVia = this.from.y + factor * dx; - yVia = this.to.y < yVia ? this.to.y : yVia; - } - } - } - } +/***/ }, +/* 33 */ +/***/ function(module, exports, __webpack_require__) { - return {x:xVia, y:yVia}; - }; + // Utility functions for ordering and stacking of items + var EPSILON = 0.001; // used when checking collisions, to prevent round-off errors /** - * Draw a line between two nodes - * @param {CanvasRenderingContext2D} ctx - * @private + * Order items by their start data + * @param {Item[]} items */ - 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; - } + exports.orderByStart = function(items) { + items.sort(function (a, b) { + return a.data.start - b.data.start; + }); }; /** - * Draw a line from a node to itself, a circle - * @param {CanvasRenderingContext2D} ctx - * @param {Number} x - * @param {Number} y - * @param {Number} radius - * @private + * Order items by their end date. If they have no end date, their start date + * is used. + * @param {Item[]} items */ - 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(); + 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; + }); }; /** - * 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 + * 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 */ - Edge.prototype._label = function (ctx, text, x, y) { - if (text) { - ctx.font = ((this.from.selected || this.to.selected) ? "bold " : "") + - this.options.fontSize + "px " + this.options.fontFace; - var yLine; - - if (this.dirtyLabel == true) { - var lines = String(text).split('\n'); - var lineCount = lines.length; - var fontSize = (Number(this.options.fontSize) + 4); - yLine = y + (1 - lineCount) / 2 * fontSize; - - var width = ctx.measureText(lines[0]).width; - for (var i = 1; i < lineCount; i++) { - var lineWidth = ctx.measureText(lines[i]).width; - width = lineWidth > width ? lineWidth : width; - } - var height = this.options.fontSize * lineCount; - var left = x - width / 2; - var top = y - height / 2; + exports.stack = function(items, margin, force) { + var i, iMax; - // cache - this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; + 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; - 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); - } + do { + // TODO: optimize checking for overlap. when there is a gap without items, + // you only need to check for items from the next item on, not from zero + var collidingItem = null; + for (var j = 0, jj = items.length; j < jj; j++) { + var other = items[j]; + if (other.top !== null && other !== item && other.stack && exports.collision(item, other, margin.item)) { + collidingItem = other; + break; + } + } - // draw 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; + 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); } } }; + /** - * Redraw a edge as a dashed line - * Draw this edge in the given canvas - * @author David Jordan - * @date 2012-08-08 - * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); - * @param {CanvasRenderingContext2D} ctx - * @private - */ - Edge.prototype._drawDashLine = function(ctx) { - // set style - ctx.strokeStyle = this._getColor(); - ctx.lineWidth = this._getLineWidth(); + * Adjust vertical positions of the items without stacking them + * @param {Item[]} items + * All visible items + * @param {{item: {horizontal: number, vertical: number}, axis: number}} margin + * Margins between items and between items and the axis. + */ + exports.nostack = function(items, margin, subgroups) { + var i, iMax, newTop; - var 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]; + // 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 { - pattern = [5,5]; + items[i].top = margin.axis; } + } + }; - // set dash settings for chrome or firefox - if (typeof ctx.setLineDash !== 'undefined') { //Chrome - ctx.setLineDash(pattern); - ctx.lineDashOffset = 0; + /** + * Test if the two provided items collide + * The items must have parameters left, width, top, and height. + * @param {Item} a The first item + * @param {Item} b The second item + * @param {{horizontal: number, vertical: number}} margin + * An object containing a horizontal and vertical + * minimum required margin. + * @return {boolean} true if a and b collide, else false + */ + exports.collision = function(a, b, margin) { + return ((a.left - margin.horizontal + EPSILON) < (b.left + b.width) && + (a.left + a.width + margin.horizontal - EPSILON) > b.left && + (a.top - margin.vertical + EPSILON) < (b.top + b.height) && + (a.top + a.height + margin.vertical - EPSILON) > b.top); + }; - } else { //Firefox - ctx.mozDash = pattern; - ctx.mozDashOffset = 0; - } - // draw the line - via = this._line(ctx); +/***/ }, +/* 34 */ +/***/ function(module, exports, __webpack_require__) { - // restore the dash settings. - if (typeof ctx.setLineDash !== 'undefined') { //Chrome - ctx.setLineDash([0]); - ctx.lineDashOffset = 0; + var Hammer = __webpack_require__(19); + var Item = __webpack_require__(35); - } 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); + /** + * @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 } - ctx.stroke(); - } + }; + this.overflow = false; // if contents can overflow (css styling), this flag is set to true - // 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}; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data.id); } - else { - point = this._pointOnLine(0.5); + if (data.end == undefined) { + throw new Error('Property "end" missing in item ' + data.id); } - 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 - } - }; + Item.call(this, data, conversion, options); + } + + RangeItem.prototype = new Item (null, null, null); + + RangeItem.prototype.baseClassName = 'item range'; /** - * 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 + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible */ - Edge.prototype._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) - } + RangeItem.prototype.isVisible = function(range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); }; /** - * 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 + * Repaint the item */ - Edge.prototype._drawArrowCenter = function(ctx) { - var point; - // set style - ctx.strokeStyle = this._getColor(); - ctx.lineWidth = this._getLineWidth(); + RangeItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - if (this.from != this.to) { - // draw line - var via = this._line(ctx); + // background box + dom.box = document.createElement('div'); + // className is updated in redraw() - 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); - } + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); - ctx.arrow(point.x, point.y, angle, length); - ctx.fill(); - ctx.stroke(); + // attach this item as attribute + dom.box['timeline-item'] = this; - // draw label - if (this.label) { - this._label(ctx, this.label, point.x, point.y); - } + this.dirty = true; } - 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; + + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); + } + if (!dom.box.parentNode) { + var foreground = this.parent.dom.foreground; + if (!foreground) { + throw new Error('Cannot redraw item: parent has no foreground container element'); } - this._circle(ctx, x, y, radius); + foreground.appendChild(dom.box); + } + this.displayed = true; - // 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(); + // 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); - // draw label - if (this.label) { - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); - } + // 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 + this.props.content.width = this.dom.content.offsetWidth; + this.height = this.dom.box.offsetHeight; + + 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; + } + }; /** - * 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 + * Reposition the item horizontally + * @Override */ - Edge.prototype._drawArrow = function(ctx) { - // set style - ctx.strokeStyle = this._getColor(); - ctx.lineWidth = this._getLineWidth(); + 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; - 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); + // 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); - 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; + if (this.overflow) { + this.left = start; + this.width = boxWidth + this.props.content.width; + contentWidth = this.props.content.width; - 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(); - } + // Note: The calculation of width is an optimistic calculation, giving + // a width which will not change when moving the Timeline + // So no re-stacking needed, which is nicer for the eye; + } + else { + this.left = start; + this.width = boxWidth; + contentWidth = Math.min(end - start, this.props.content.width); + } - 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; + this.dom.box.style.left = this.left + 'px'; + this.dom.box.style.width = boxWidth + 'px'; - 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; - } + switch (this.options.align) { + case 'left': + this.dom.content.style.left = '0'; + break; - ctx.beginPath(); - ctx.moveTo(xFrom,yFrom); - if (this.options.smoothCurves.enabled == true && via.x != null) { - ctx.quadraticCurveTo(via.x,via.y,xTo, yTo); - } - else { - ctx.lineTo(xTo, yTo); - } - ctx.stroke(); + case 'right': + this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding), 0) + 'px'; + break; - // 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(); + case 'center': + this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding) / 2, 0) + 'px'; + break; - // 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}; + default: // 'auto' + if (this.overflow) { + // when range exceeds left of the window, position the contents at the left of the visible area + contentLeft = Math.max(-start, 0); } else { - point = this._pointOnLine(0.5); + // when range exceeds left of the window, position the contents at the left of the visible area + if (start < 0) { + contentLeft = Math.min(-start, + (end - start - this.props.content.width - 2 * this.options.padding)); + // TODO: remove the need for options.padding. it's terrible. + } + else { + contentLeft = 0; + } } - this._label(ctx, this.label, point.x, point.y); - } + this.dom.content.style.left = contentLeft + 'px'; } - else { - // draw circle - var node = this.from; - var x, y, arrow; - var radius = 0.25 * Math.max(100,this.physics.springLength); - if (!node.width) { - node.resize(ctx); - } - if (node.width > node.height) { - x = node.x + node.width * 0.5; - y = node.y - radius; - arrow = { - x: x, - y: node.y, - angle: 0.9 * Math.PI - }; - } - else { - x = node.x + radius; - y = node.y - node.height * 0.5; - arrow = { - x: node.x, - y: y, - angle: 0.6 * Math.PI - }; - } - ctx.beginPath(); - // TODO: similarly, for a line without arrows, draw to the border of the nodes instead of the center - ctx.arc(x, y, radius, 0, 2 * Math.PI, false); - ctx.stroke(); + }; - // draw all arrows - var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; - ctx.arrow(arrow.x, arrow.y, arrow.angle, length); - ctx.fill(); - ctx.stroke(); + /** + * Reposition the item vertically + * @Override + */ + RangeItem.prototype.repositionY = function() { + var orientation = this.options.orientation, + box = this.dom.box; - // draw label - if (this.label) { - point = this._pointOnCircle(x, y, radius, 0.5); - this._label(ctx, this.label, point.x, point.y); - } + if (orientation == 'top') { + box.style.top = this.top + 'px'; + } + else { + box.style.top = (this.parent.height - this.top - this.height) + 'px'; } }; + /** + * Repaint a drag area on the left side of the range when the range is selected + * @protected + */ + RangeItem.prototype._repaintDragLeft = function () { + if (this.selected && this.options.editable.updateTime && !this.dom.dragLeft) { + // create and show drag area + var dragLeft = document.createElement('div'); + dragLeft.className = 'drag-left'; + dragLeft.dragLeftItem = this; + + // TODO: this should be redundant? + Hammer(dragLeft, { + preventDefault: true + }).on('drag', function () { + //console.log('drag left') + }); + this.dom.box.appendChild(dragLeft); + this.dom.dragLeft = dragLeft; + } + else if (!this.selected && this.dom.dragLeft) { + // delete drag area + if (this.dom.dragLeft.parentNode) { + this.dom.dragLeft.parentNode.removeChild(this.dom.dragLeft); + } + this.dom.dragLeft = null; + } + }; /** - * 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 + * Repaint a drag area on the right side of the range when the range is selected + * @protected */ - Edge.prototype._getDistanceToEdge = function (x1,y1, x2,y2, x3,y3) { // x3,y3 is the point - var returnValue = 0; - if (this.from != this.to) { - if (this.options.smoothCurves.enabled == true) { - var xVia, yVia; - if (this.options.smoothCurves.enabled == true && this.options.smoothCurves.dynamic == true) { - xVia = this.via.x; - yVia = this.via.y; - } - else { - var via = this._getViaCoordinates(); - xVia = via.x; - yVia = via.y; - } - var minDistance = 1e9; - var distance; - var i,t,x,y, lastX, lastY; - for (i = 0; i < 10; i++) { - t = 0.1*i; - x = Math.pow(1-t,2)*x1 + (2*t*(1 - t))*xVia + Math.pow(t,2)*x2; - y = Math.pow(1-t,2)*y1 + (2*t*(1 - t))*yVia + Math.pow(t,2)*y2; - if (i > 0) { - distance = this._getDistanceToLine(lastX,lastY,x,y, x3,y3); - minDistance = distance < minDistance ? distance : minDistance; - } - lastX = x; lastY = y; - } - returnValue = minDistance; - } - else { - returnValue = this._getDistanceToLine(x1,y1,x2,y2,x3,y3); - } - } - else { - var x, y, dx, dy; - var radius = 0.25 * this.physics.springLength; - var node = this.from; - if (node.width > node.height) { - x = node.x + 0.5 * node.width; - y = node.y - radius; - } - else { - x = node.x + radius; - y = node.y - 0.5 * node.height; - } - dx = x - x3; - dy = y - y3; - returnValue = Math.abs(Math.sqrt(dx*dx + dy*dy) - radius); - } + RangeItem.prototype._repaintDragRight = function () { + if (this.selected && this.options.editable.updateTime && !this.dom.dragRight) { + // create and show drag area + var dragRight = document.createElement('div'); + dragRight.className = 'drag-right'; + dragRight.dragRightItem = this; - 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; + // TODO: this should be redundant? + Hammer(dragRight, { + preventDefault: true + }).on('drag', function () { + //console.log('drag right') + }); + + this.dom.box.appendChild(dragRight); + this.dom.dragRight = dragRight; } - else { - return returnValue; + else if (!this.selected && this.dom.dragRight) { + // delete drag area + if (this.dom.dragRight.parentNode) { + this.dom.dragRight.parentNode.removeChild(this.dom.dragRight); + } + this.dom.dragRight = null; } }; - Edge.prototype._getDistanceToLine = function(x1,y1,x2,y2,x3,y3) { - var px = x2-x1, - py = y2-y1, - something = px*px + py*py, - u = ((x3 - x1) * px + (y3 - y1) * py) / something; - - if (u > 1) { - u = 1; - } - else if (u < 0) { - u = 0; - } + module.exports = RangeItem; - var x = x1 + u * px, - y = y1 + u * py, - dx = x - x3, - dy = y - y3; - //# Note: If the actual distance does not matter, - //# if you only want to compare what this function - //# returns to other results of this function, you - //# can just return the squared distance instead - //# (i.e. remove the sqrt) to gain a little performance +/***/ }, +/* 35 */ +/***/ function(module, exports, __webpack_require__) { - return Math.sqrt(dx*dx + dy*dy); - }; + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); /** - * This allows the zoom level of the network to influence the rendering - * - * @param scale + * @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 */ - Edge.prototype.setScale = function(scale) { - this.networkScaleInv = 1.0/scale; - }; + function Item (data, conversion, options) { + this.id = null; + this.parent = null; + this.data = data; + this.dom = null; + this.conversion = conversion || {}; + this.options = options || {}; + + this.selected = false; + this.displayed = false; + this.dirty = true; + this.top = null; + this.left = null; + this.width = null; + this.height = null; + } - Edge.prototype.select = function() { + Item.prototype.stack = true; + + /** + * Select current item + */ + Item.prototype.select = function() { this.selected = true; + this.dirty = true; + if (this.displayed) this.redraw(); }; - Edge.prototype.unselect = function() { + /** + * Unselect current item + */ + Item.prototype.unselect = function() { this.selected = false; + this.dirty = true; + if (this.displayed) this.redraw(); }; - 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); - } + /** + * 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 function draws the control nodes for the manipulator. In order to enable this, only set the this.controlNodesEnabled to true. - * @param ctx + * Set a parent for the item + * @param {ItemSet | Group} parent */ - Edge.prototype._drawControlNodes = function(ctx) { - if (this.controlNodesEnabled == true) { - if (this.controlNodes.from === null && this.controlNodes.to === null) { - var nodeIdFrom = "edgeIdFrom:".concat(this.id); - var nodeIdTo = "edgeIdTo:".concat(this.id); - var constants = { - nodes:{group:'', radius:8}, - physics:{damping:0}, - clustering: {maxNodeSizeIncrements: 0 ,nodeScaling: {width:0, height: 0, radius:0}} - }; - this.controlNodes.from = new Node( - {id:nodeIdFrom, - shape:'dot', - color:{background:'#ff4e00', border:'#3c3c3c', highlight: {background:'#07f968'}} - },{},{},constants); - this.controlNodes.to = new Node( - {id:nodeIdTo, - shape:'dot', - color:{background:'#ff4e00', border:'#3c3c3c', highlight: {background:'#07f968'}} - },{},{},constants); - } - - if (this.controlNodes.from.selected == false && this.controlNodes.to.selected == false) { - this.controlNodes.positions = this.getControlNodePositions(ctx); - this.controlNodes.from.x = this.controlNodes.positions.from.x; - this.controlNodes.from.y = this.controlNodes.positions.from.y; - this.controlNodes.to.x = this.controlNodes.positions.to.x; - this.controlNodes.to.y = this.controlNodes.positions.to.y; + Item.prototype.setParent = function(parent) { + if (this.displayed) { + this.hide(); + this.parent = parent; + if (this.parent) { + this.show(); } - - this.controlNodes.from.draw(ctx); - this.controlNodes.to.draw(ctx); } else { - this.controlNodes = {from:null, to:null, positions:{}}; + this.parent = parent; } }; /** - * Enable control nodes. - * @private + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible */ - Edge.prototype._enableControlNodes = function() { - this.controlNodesEnabled = true; + Item.prototype.isVisible = function(range) { + // Should be implemented by Item implementations + return false; }; /** - * disable control nodes - * @private + * Show the Item in the DOM (when not already visible) + * @return {Boolean} changed */ - Edge.prototype._disableControlNodes = function() { - this.controlNodesEnabled = false; + Item.prototype.show = function() { + return 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 + * Hide the Item from the DOM (when visible) + * @return {Boolean} changed */ - 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)); + Item.prototype.hide = function() { + return false; + }; - 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; - } + /** + * Repaint the item + */ + Item.prototype.redraw = function() { + // should be implemented by the item }; + /** + * Reposition the Item horizontally + */ + Item.prototype.repositionX = function() { + // should be implemented by the item + }; /** - * this resets the control nodes to their original position. - * @private + * Reposition the Item vertically */ - Edge.prototype._restoreControlNodes = function() { - if (this.controlNodes.from.selected == true) { - this.from = this.connectedNode; - this.connectedNode = null; - this.controlNodes.from.unselect(); - } - if (this.controlNodes.to.selected == true) { - this.to = this.connectedNode; - this.connectedNode = null; - this.controlNodes.to.unselect(); - } + Item.prototype.repositionY = function() { + // should be implemented by the item }; /** - * 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: *}}} + * Repaint a delete button on the top right of the item when the item is selected + * @param {HTMLElement} anchor + * @protected */ - 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; + Item.prototype._repaintDeleteButton = function (anchor) { + if (this.selected && this.options.editable.remove && !this.dom.deleteButton) { + // create and show button + var me = this; - 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(); - } + var deleteButton = document.createElement('div'); + deleteButton.className = 'delete'; + deleteButton.title = 'Delete this item'; - 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; + Hammer(deleteButton, { + preventDefault: true + }).on('tap', function (event) { + me.parent.removeFromDataSet(me); + event.stopPropagation(); + }); - 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; + anchor.appendChild(deleteButton); + this.dom.deleteButton = deleteButton; } - else { - xTo = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; - yTo = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; + else if (!this.selected && this.dom.deleteButton) { + // remove button + if (this.dom.deleteButton.parentNode) { + this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton); + } + this.dom.deleteButton = null; } - - return {from:{x:xFrom,y:yFrom},to:{x:xTo,y:yTo}}; }; - module.exports = Edge; + /** + * 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; + } -/***/ }, -/* 38 */ -/***/ function(module, exports, __webpack_require__) { + 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); + } + } - var util = __webpack_require__(1); + this.content = content; + } + }; /** - * @class Groups - * This class can store groups and properties specific for groups. + * Set HTML contents for the item + * @param {Element} element HTML element to fill with the contents + * @private */ - function Groups() { - this.clear(); - this.defaultIndex = 0; - } - + Item.prototype._updateTitle = function (element) { + if (this.data.title != null) { + element.title = this.data.title || ''; + } + else { + element.removeAttribute('title'); + } + }; /** - * default constants for group colors + * 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 */ - 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 - ]; + 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; + } - /** - * 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++; + for (var i = 0; i < attributes.length; i++) { + var name = attributes[i]; + var value = this.data[name]; + + if (value != null) { + element.setAttribute('data-' + name, value); + } + else { + element.removeAttribute('data-' + name); } } - return i; } }; - /** - * get group properties of a groupname. If groupname is not found, a new group - * is added. - * @param {*} groupname Can be a number, string, Date, etc. - * @return {Object} group The created group, containing all group properties + * Update custom styles of the element + * @param element + * @private */ - 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; + Item.prototype._updateStyle = function(element) { + // remove old styles + if (this.style) { + util.removeCssText(element, this.style); + this.style = null; } - 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); + // append new styles + if (this.data.style) { + util.addCssText(element, this.data.style); + this.style = this.data.style; } - return style; }; - module.exports = Groups; + module.exports = Item; /***/ }, -/* 39 */ +/* 36 */ /***/ function(module, exports, __webpack_require__) { + var util = __webpack_require__(1); + var Group = __webpack_require__(32); + /** - * @class Images - * This class loads images and keeps them stored. + * @constructor BackgroundGroup + * @param {Number | String} groupId + * @param {Object} data + * @param {ItemSet} itemSet */ - function Images() { - this.images = {}; - - this.callback = undefined; - } + function BackgroundGroup (groupId, data, itemSet) { + Group.call(this, groupId, data, itemSet); - /** - * Set an onload callback function. This will be called each time an image - * is loaded - * @param {function} callback + this.width = 0; + this.height = 0; + this.top = 0; + this.left = 0; + } + + 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 */ - Images.prototype.setOnloadCallback = function(callback) { - this.callback = callback; + 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; }; /** - * - * @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 + * Show this group: attach to the DOM */ - 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; + BackgroundGroup.prototype.show = function() { + if (!this.dom.background.parentNode) { + this.itemSet.dom.background.appendChild(this.dom.background); } - - return img; }; - module.exports = Images; + module.exports = BackgroundGroup; /***/ }, -/* 40 */ +/* 37 */ /***/ function(module, exports, __webpack_require__) { + var Item = __webpack_require__(35); var util = __webpack_require__(1); /** - * @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 - * + * @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 */ - function Node(properties, imagelist, grouplist, networkConstants) { - var constants = util.selectiveBridgeObject(['nodes'],networkConstants); - this.options = constants.nodes; - - this.selected = false; - this.hover = false; - - 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.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); + function BoxItem (data, conversion, options) { + this.props = { + dot: { + width: 0, + height: 0 + }, + line: { + width: 0, + height: 0 + } + }; - // 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; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } + } - // 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; + Item.call(this, data, conversion, options); } - /** - * (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; - }; + BoxItem.prototype = new Item (null, null, null); /** - * Detach a edge from the node - * @param {Edge} edge + * 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 */ - 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; + 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); }; - /** - * Set or overwrite properties for the node - * @param {Object} properties an object with properties - * @param {Object} constants and object with default, global properties + * Repaint the item */ - Node.prototype.setProperties = function(properties, constants) { - if (!properties) { - return; - } - - var fields = ['borderWidth','borderWidthSelected','shape','image','brokenImage','radius','fontColor', - 'fontSize','fontFace','fontFill','group','mass' - ]; - util.selectiveDeepExtend(fields, this.options, properties); - - // 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;} + BoxItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - // navigation controls properties - if (properties.horizontalAlignLeft !== undefined) {this.horizontalAlignLeft = properties.horizontalAlignLeft;} - if (properties.verticalAlignTop !== undefined) {this.verticalAlignTop = properties.verticalAlignTop;} - if (properties.triggerFunction !== undefined) {this.triggerFunction = properties.triggerFunction;} + // create main box + dom.box = document.createElement('DIV'); - if (this.id === undefined) { - throw "Node must have an id"; - } + // contents box (inside the background box). used for making margins + dom.content = document.createElement('DIV'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); - // 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]; - } - } - } + // line to axis + dom.line = document.createElement('DIV'); + dom.line.className = 'line'; + // dot on axis + dom.dot = document.createElement('DIV'); + dom.dot.className = 'dot'; - // individual shape properties - if (properties.radius !== undefined) {this.baseRadiusValue = this.options.radius;} - if (properties.color !== undefined) {this.options.color = util.parseColor(properties.color);} + // attach this item as attribute + dom.box['timeline-item'] = this; - 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.dirty = true; } - if (properties.allowedToMoveX !== undefined) { - this.xFixed = !properties.allowedToMoveX; - this.allowedToMoveX = properties.allowedToMoveX; + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); } - else if (properties.x !== undefined && this.allowedToMoveX == false) { - this.xFixed = true; + 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 (properties.allowedToMoveY !== undefined) { - this.yFixed = !properties.allowedToMoveY; - this.allowedToMoveY = properties.allowedToMoveY; + 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); } - else if (properties.y !== undefined && this.allowedToMoveY == false) { - this.yFixed = true; + 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; - this.radiusFixed = this.radiusFixed || (properties.radius !== undefined); - - if (this.options.shape == 'image') { - this.options.radiusMin = constants.nodes.widthMin; - this.options.radiusMax = constants.nodes.widthMax; - } + // Update DOM when item is marked dirty. An item is marked dirty when: + // - the item is not yet rendered + // - the item's data is changed + // - the item is selected/deselected + if (this.dirty) { + this._updateContents(this.dom.content); + this._updateTitle(this.dom.box); + this._updateDataAttributes(this.dom.box); + this._updateStyle(this.dom.box); + // update class + var className = (this.data.className? ' ' + this.data.className : '') + + (this.selected ? ' selected' : ''); + dom.box.className = 'item box' + className; + dom.line.className = 'item line' + className; + dom.dot.className = 'item dot' + className; + // recalculate size + this.props.dot.height = dom.dot.offsetHeight; + this.props.dot.width = dom.dot.offsetWidth; + this.props.line.width = dom.line.offsetWidth; + this.width = dom.box.offsetWidth; + this.height = dom.box.offsetHeight; - // choose draw method depending on the shape - switch (this.options.shape) { - case 'database': this.draw = this._drawDatabase; this.resize = this._resizeDatabase; break; - case 'box': this.draw = this._drawBox; this.resize = this._resizeBox; break; - case 'circle': this.draw = this._drawCircle; this.resize = this._resizeCircle; break; - case 'ellipse': this.draw = this._drawEllipse; this.resize = this._resizeEllipse; break; - // TODO: add diamond shape - case 'image': this.draw = this._drawImage; this.resize = this._resizeImage; break; - case 'text': this.draw = this._drawText; this.resize = this._resizeText; break; - case 'dot': this.draw = this._drawDot; this.resize = this._resizeShape; break; - case 'square': this.draw = this._drawSquare; this.resize = this._resizeShape; break; - case 'triangle': this.draw = this._drawTriangle; this.resize = this._resizeShape; break; - case 'triangleDown': this.draw = this._drawTriangleDown; this.resize = this._resizeShape; break; - case 'star': this.draw = this._drawStar; this.resize = this._resizeShape; break; - default: this.draw = this._drawEllipse; this.resize = this._resizeEllipse; break; + this.dirty = false; } - // reset the size of the node, this can be changed - this._reset(); + this._repaintDeleteButton(dom.box); }; /** - * select this node + * Show the item in the DOM (when not already displayed). The items DOM will + * be created when needed. */ - Node.prototype.select = function() { - this.selected = true; - this._reset(); + BoxItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); + } }; /** - * unselect this node + * Hide the item from the DOM (when visible) */ - Node.prototype.unselect = function() { - this.selected = false; - this._reset(); - }; + BoxItem.prototype.hide = function() { + if (this.displayed) { + var dom = this.dom; + if (dom.box.parentNode) dom.box.parentNode.removeChild(dom.box); + if (dom.line.parentNode) dom.line.parentNode.removeChild(dom.line); + if (dom.dot.parentNode) dom.dot.parentNode.removeChild(dom.dot); - /** - * Reset the calculated size of the node, forces it to recalculate its size - */ - Node.prototype.clearSizeCache = function() { - this._reset(); - }; + this.top = null; + this.left = null; - /** - * Reset the calculated size of the node, forces it to recalculate its size - * @private - */ - Node.prototype._reset = function() { - this.width = undefined; - this.height = undefined; + this.displayed = false; + } }; /** - * get the title of this node. - * @return {string} title The title of the node, or undefined when no title - * has been set. + * Reposition the item horizontally + * @Override */ - Node.prototype.getTitle = function() { - return typeof this.title === "function" ? this.title() : this.title; + 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; + } + + // reposition box + box.style.left = this.left + 'px'; + + // reposition line + line.style.left = (start - this.props.line.width / 2) + 'px'; + + // reposition dot + dot.style.left = (start - this.props.dot.width / 2) + 'px'; }; /** - * 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 + * Reposition the item vertically + * @Override */ - Node.prototype.distanceToBorder = function (ctx, angle) { - var borderWidth = 1; + 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 (!this.width) { - this.resize(ctx); + 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; - switch (this.options.shape) { - case 'circle': - case 'dot': - return this.options.radius+ borderWidth; + box.style.top = (this.parent.height - this.top - this.height || 0) + 'px'; + line.style.top = (itemSetHeight - lineHeight) + 'px'; + line.style.bottom = '0'; + } - 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); + dot.style.top = (-this.props.dot.height / 2) + 'px'; + }; - // TODO: implement distanceToBorder for database - // TODO: implement distanceToBorder for triangle - // TODO: implement distanceToBorder for triangleDown + module.exports = BoxItem; - case 'box': - case 'image': - case 'text': - default: - if (this.width) { - return Math.min( - Math.abs(this.width / 2 / Math.cos(angle)), - Math.abs(this.height / 2 / Math.sin(angle))) + borderWidth; - // TODO: reckon with border radius too in case of box - } - else { - return 0; - } - } - // TODO: implement calculation of distance to border for all shapes - }; +/***/ }, +/* 38 */ +/***/ function(module, exports, __webpack_require__) { + + var Item = __webpack_require__(35); /** - * 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; - }; + * @constructor PointItem + * @extends Item + * @param {Object} data Object containing parameters start + * content, className. + * @param {{toScreen: function, toTime: function}} conversion + * Conversion functions from time to screen and vice versa + * @param {Object} [options] Configuration options + * // TODO: describe available options + */ + function PointItem (data, conversion, options) { + this.props = { + dot: { + top: 0, + width: 0, + height: 0 + }, + content: { + height: 0, + marginLeft: 0 + } + }; + + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } + } + + Item.call(this, data, conversion, options); + } + + PointItem.prototype = new Item (null, null, null); /** - * Add forces acting on the node - * @param {number} fx Force in horizontal direction - * @param {number} fy Force in vertical direction - * @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 */ - Node.prototype._addForce = function(fx, fy) { - this.fx += fx; - this.fy += fy; + 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); }; /** - * Perform one discrete step for the node - * @param {number} interval Time interval in seconds + * Repaint the item */ - 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; - } + PointItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - 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; - } - }; + // background box + dom.point = document.createElement('div'); + // className is updated in redraw() + // contents box, right from the dot + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.point.appendChild(dom.content); + // dot at start + dom.dot = document.createElement('div'); + dom.point.appendChild(dom.dot); - /** - * 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; + // attach this item as attribute + dom.point['timeline-item'] = this; + + this.dirty = true; } - 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 + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); } - else { - this.fy = 0; - this.vy = 0; + 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; - /** - * 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); - }; + // 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); - /** - * 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); - }; + // 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; - /** - * check if this node is selecte - * @return {boolean} selected True if node is selected, else false - */ - Node.prototype.isSelected = function() { - return this.selected; - }; + // 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; - /** - * Retrieve the value of the node. Can be undefined - * @return {Number} value - */ - Node.prototype.getValue = function() { - return this.value; + // 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); }; /** - * Calculate the distance from the nodes location to the given location (x,y) - * @param {Number} x - * @param {Number} y - * @return {Number} value + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. */ - Node.prototype.getDistance = function(x, y) { - var dx = this.x - x, - dy = this.y - y; - return Math.sqrt(dx * dx + dy * dy); + PointItem.prototype.show = function() { + if (!this.displayed) { + this.redraw(); + } }; - /** - * Adjust the value range of the node. The node will adjust it's radius - * based on its value. - * @param {Number} min - * @param {Number} max + * Hide the item from the DOM (when visible) */ - 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; + PointItem.prototype.hide = function() { + if (this.displayed) { + if (this.dom.point.parentNode) { + this.dom.point.parentNode.removeChild(this.dom.point); } + + this.top = null; + this.left = null; + + this.displayed = false; } - this.baseRadiusValue = this.options.radius; }; /** - * Draw this node in the given canvas - * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); - * @param {CanvasRenderingContext2D} ctx + * Reposition the item horizontally + * @Override */ - Node.prototype.draw = function(ctx) { - throw "Draw method not initialized for node"; - }; + PointItem.prototype.repositionX = function() { + var start = this.conversion.toScreen(this.data.start); - /** - * 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"; + this.left = start - this.props.dot.width; + + // reposition point + this.dom.point.style.left = this.left + 'px'; }; /** - * 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 + * Reposition the item vertically + * @Override */ - Node.prototype.isOverlappingWith = function(obj) { - return (this.left < obj.right && - this.left + this.width > obj.left && - this.top < obj.bottom && - this.top + this.height > obj.top); - }; - - Node.prototype._resizeImage = function (ctx) { - // TODO: pre calculate the image size - - if (!this.width || !this.height) { // undefined or 0 - var width, height; - if (this.value) { - this.options.radius= this.baseRadiusValue; - var scale = this.imageObj.height / this.imageObj.width; - if (scale !== undefined) { - width = this.options.radius|| this.imageObj.width; - height = this.options.radius* scale || this.imageObj.height; - } - else { - width = 0; - height = 0; - } - } - else { - width = this.imageObj.width; - height = this.imageObj.height; - } - this.width = width; - this.height = height; + PointItem.prototype.repositionY = function() { + var orientation = this.options.orientation, + point = this.dom.point; - 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; - } + if (orientation == 'top') { + point.style.top = this.top + 'px'; + } + else { + point.style.top = (this.parent.height - this.top - this.height) + 'px'; } - }; - Node.prototype._drawImage = function (ctx) { - this._resizeImage(ctx); + module.exports = PointItem; - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - var yLabel; - if (this.imageObj.width != 0 ) { - // draw the shade - if (this.clusterSize > 1) { - var lineWidth = ((this.clusterSize > 1) ? 10 : 0.0); - lineWidth *= this.networkScaleInv; - lineWidth = Math.min(0.2 * this.width,lineWidth); +/***/ }, +/* 39 */ +/***/ function(module, exports, __webpack_require__) { - ctx.globalAlpha = 0.5; - ctx.drawImage(this.imageObj, this.left - lineWidth, this.top - lineWidth, this.width + 2*lineWidth, this.height + 2*lineWidth); + var Hammer = __webpack_require__(19); + var Item = __webpack_require__(35); + var BackgroundGroup = __webpack_require__(36); + var RangeItem = __webpack_require__(34); + + /** + * @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 - // 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; + // 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); + } } - this._label(ctx, this.label, this.x, yLabel, undefined, "top"); - }; + Item.call(this, data, conversion, options); + this.emptyContent = false; + } - Node.prototype._resizeBox = function (ctx) { - if (!this.width) { - var margin = 5; - var textSize = this.getTextSize(ctx); - this.width = textSize.width + 2 * margin; - this.height = textSize.height + 2 * margin; + BackgroundItem.prototype = new Item (null, null, null); - 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; + 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 + */ + BackgroundItem.prototype.isVisible = function(range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); }; - Node.prototype._drawBox = function (ctx) { - this._resizeBox(ctx); - - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + /** + * Repaint the item + */ + BackgroundItem.prototype.redraw = function() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + // background box + dom.box = document.createElement('div'); + // className is updated in redraw() - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); - // 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); + // attach this item as attribute + dom.box['timeline-item'] = this; - 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(); + this.dirty = true; } - 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; + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot redraw item: no parent attached'); + } + if (!dom.box.parentNode) { + var background = this.parent.dom.background; + if (!background) { + throw new Error('Cannot redraw item: parent has no background container element'); + } + background.appendChild(dom.box); + } + this.displayed = true; - ctx.roundRect(this.left, this.top, this.width, this.height, this.options.radius); - ctx.fill(); - ctx.stroke(); + // Update DOM when item is marked dirty. An item is marked dirty when: + // - the item is not yet rendered + // - the item's data is changed + // - the item is selected/deselected + if (this.dirty) { + this._updateContents(this.dom.content); + this._updateTitle(this.dom.content); + this._updateDataAttributes(this.dom.content); + this._updateStyle(this.dom.box); - this._label(ctx, this.label, this.x, this.y); - }; + // 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'; - 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; + // 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 - // 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; + this.dirty = false; } }; - Node.prototype._drawDatabase = function (ctx) { - this._resizeDatabase(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + /** + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. + */ + BackgroundItem.prototype.show = RangeItem.prototype.show; - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + /** + * Hide the item from the DOM (when visible) + * @return {Boolean} changed + */ + BackgroundItem.prototype.hide = RangeItem.prototype.hide; - // 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); + /** + * Reposition the item horizontally + * @Override + */ + BackgroundItem.prototype.repositionX = RangeItem.prototype.repositionX; - 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); + /** + * 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; - 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(); - - this._label(ctx, this.label, this.x, this.y); - }; - - - 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; - } - }; - - Node.prototype._drawCircle = function (ctx) { - this._resizeCircle(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - - // 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.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); - - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - ctx.circle(this.x, this.y, this.options.radius); - ctx.fill(); - ctx.stroke(); - - this._label(ctx, this.label, this.x, this.y); - }; - - Node.prototype._resizeEllipse = function (ctx) { - if (!this.width) { - var textSize = this.getTextSize(ctx); + // 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.width = textSize.width * 1.5; - this.height = textSize.height * 2; - if (this.width < this.height) { - this.width = this.height; + // the others will have to be offset downwards with this same distance. + newTop += subgroupIndex != 0 ? margin.axis - 0.5 * margin.item.vertical : 0; + this.dom.box.style.top = newTop + 'px'; + this.dom.box.style.bottom = ''; + } + // and when the orientation is bottom: + else { + var newTop = this.parent.top; + for (var subgroup in subgroups) { + if (subgroups.hasOwnProperty(subgroup)) { + if (subgroups[subgroup].visible == true && subgroups[subgroup].index > subgroupIndex) { + newTop += subgroups[subgroup].height + margin.item.vertical; + } + } + } + height = this.parent.subgroups[itemSubgroup].height + margin.item.vertical; + this.dom.box.style.top = newTop + 'px'; + this.dom.box.style.bottom = ''; } - var defaultSize = this.width; - - // scaling used for clustering - this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; - this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; - this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; - this.growthIndicator = this.width - defaultSize; - } - }; - - Node.prototype._drawEllipse = function (ctx) { - this._resizeEllipse(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - - ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - - // 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.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); - - ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - - ctx.ellipse(this.left, this.top, this.width, this.height); - ctx.fill(); - ctx.stroke(); - this._label(ctx, this.label, this.x, this.y); - }; - - Node.prototype._drawDot = function (ctx) { - this._drawShape(ctx, 'circle'); - }; - - Node.prototype._drawTriangle = function (ctx) { - this._drawShape(ctx, 'triangle'); - }; - - Node.prototype._drawTriangleDown = function (ctx) { - this._drawShape(ctx, 'triangleDown'); - }; - - Node.prototype._drawSquare = function (ctx) { - this._drawShape(ctx, 'square'); - }; - - Node.prototype._drawStar = function (ctx) { - this._drawShape(ctx, 'star'); - }; - - Node.prototype._resizeShape = function (ctx) { - if (!this.width) { - this.options.radius= this.baseRadiusValue; - var size = 2 * this.options.radius; - this.width = size; - this.height = size; - - // 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; + // 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'; }; - Node.prototype._drawShape = function (ctx, shape) { - this._resizeShape(ctx); - - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; - - var clusterLineWidth = 2.5; - var borderWidth = this.options.borderWidth; - var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - var radiusMultiplier = 2; - - // choose draw method depending on the shape - switch (shape) { - case 'dot': radiusMultiplier = 2; break; - case 'square': radiusMultiplier = 2; break; - case 'triangle': radiusMultiplier = 3; break; - case 'triangleDown': radiusMultiplier = 3; break; - case 'star': radiusMultiplier = 4; break; - } - - 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); - - 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(); + module.exports = BackgroundItem; - if (this.label) { - this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'top',true); - } - }; - 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; +/***/ }, +/* 40 */ +/***/ function(module, exports, __webpack_require__) { - // scaling used for clustering - this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; - this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; - this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; - this.growthIndicator = this.width - (textSize.width + 2 * margin); - } - }; + var mousetrap = __webpack_require__(41); + var Emitter = __webpack_require__(11); + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); - Node.prototype._drawText = function (ctx) { - this._resizeText(ctx); - this.left = this.x - this.width / 2; - this.top = this.y - this.height / 2; + /** + * Turn an element into an clickToUse element. + * When not active, the element has a transparent overlay. When the overlay is + * clicked, the mode is changed to active. + * When active, the element is displayed with a blue border around it, and + * the interactive contents of the element can be used. When clicked outside + * the element, the elements mode is changed to inactive. + * @param {Element} container + * @constructor + */ + function Activator(container) { + this.active = false; - this._label(ctx, this.label, this.x, this.y); - }; + this.dom = { + container: container + }; + this.dom.overlay = document.createElement('div'); + this.dom.overlay.className = 'overlay'; - 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; + this.dom.container.appendChild(this.dom.overlay); - 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); - } + this.hammer = Hammer(this.dom.overlay, {prevent_default: false}); + this.hammer.on('tap', this._onTapOverlay.bind(this)); - // font fill from edges now for nodes! - var width = ctx.measureText(lines[0]).width; - for (var i = 1; i < lineCount; i++) { - var lineWidth = ctx.measureText(lines[i]).width; - width = lineWidth > width ? lineWidth : width; - } - var height = this.options.fontSize * lineCount; - var left = x - width / 2; - var top = y - height / 2; - if (baseline == "top") { - top += 0.5 * fontSize; - } - this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; + // 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(); + }); + }); - // 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); + // 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(); } + }); - // 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; - } - } - }; + // mousetrap listener only bounded when active) + this.escListener = this.deactivate.bind(this); + } + // turn into an event emitter + Emitter(Activator.prototype); - Node.prototype.getTextSize = function(ctx) { - if (this.label !== undefined) { - ctx.font = (this.selected ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; + // The currently active activator + Activator.current = null; - var lines = this.label.split('\n'), - height = (Number(this.options.fontSize) + 4) * lines.length, - width = 0; + /** + * Destroy the activator. Cleans up all created DOM and event listeners + */ + Activator.prototype.destroy = function () { + this.deactivate(); - for (var i = 0, iMax = lines.length; i < iMax; i++) { - width = Math.max(width, ctx.measureText(lines[i]).width); - } + // remove dom + this.dom.overlay.parentNode.removeChild(this.dom.overlay); - return {"width": width, "height": height}; - } - else { - return {"width": 0, "height": 0}; - } + // cleanup hammer instances + this.hammer = null; + this.windowHammer = null; + // FIXME: cleaning up hammer instances doesn't work (Timeline not removed from memory) }; /** - * 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} + * Activate the element + * Overlay is hidden, element is decorated with a blue shadow border */ - 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; + Activator.prototype.activate = function () { + // we allow only one active activator at a time + if (Activator.current) { + Activator.current.deactivate(); } - }; + Activator.current = this; - /** - * checks if the core of the node is in the display area, this is used for opening clusters around zoom - * @returns {boolean} - */ - Node.prototype.inView = function() { - return (this.x >= this.canvasTopLeft.x && - this.x < this.canvasBottomRight.x && - this.y >= this.canvasTopLeft.y && - this.y < this.canvasBottomRight.y); - }; + this.active = true; + this.dom.overlay.style.display = 'none'; + util.addClassName(this.dom.container, 'vis-active'); - /** - * This allows the zoom level of the network to influence the rendering - * We store the inverted scale and the coordinates of the top left, and bottom right points of the canvas - * - * @param scale - * @param canvasTopLeft - * @param canvasBottomRight - */ - Node.prototype.setScaleAndPos = function(scale,canvasTopLeft,canvasBottomRight) { - this.networkScaleInv = 1.0/scale; - this.networkScale = scale; - this.canvasTopLeft = canvasTopLeft; - this.canvasBottomRight = canvasBottomRight; - }; + 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 + mousetrap.bind('esc', this.escListener); + }; /** - * This allows the zoom level of the network to influence the rendering - * - * @param scale + * Deactivate the element + * Overlay is displayed on top of the element */ - Node.prototype.setScale = function(scale) { - this.networkScaleInv = 1.0/scale; - this.networkScale = scale; - }; - + Activator.prototype.deactivate = function () { + this.active = false; + this.dom.overlay.style.display = ''; + util.removeClassName(this.dom.container, 'vis-active'); + mousetrap.unbind('esc', this.escListener); + this.emit('change'); + this.emit('deactivate'); + }; /** - * set the velocity at 0. Is called when this node is contained in another during clustering + * Handle a tap event: activate the container + * @param event + * @private */ - Node.prototype.clearVelocity = function() { - this.vx = 0; - this.vy = 0; + Activator.prototype._onTapOverlay = function (event) { + // activate the container + this.activate(); + event.stopPropagation(); }; - /** - * Basic preservation of (kinectic) energy - * - * @param massBeforeClustering + * 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 */ - 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); - }; + function _hasParent(element, parent) { + while (element) { + if (element === parent) { + return true + } + element = element.parentNode; + } + return false; + } - module.exports = Node; + module.exports = Activator; /***/ }, @@ -20200,9129 +18972,9709 @@ return /******/ (function(modules) { // webpackBootstrap /***/ function(module, exports, __webpack_require__) { /** - * Popup is a class to create a popup window with some text - * @param {Element} container The container object. - * @param {Number} [x] - * @param {Number} [y] - * @param {String} [text] - * @param {Object} [style] An object containing borderColor, - * backgroundColor, etc. + * Copyright 2012 Craig Campbell + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * Mousetrap is a simple keyboard shortcut library for Javascript with + * no external dependencies + * + * @version 1.1.2 + * @url craig.is/killing/mice */ - function Popup(container, x, y, text, style) { - if (container) { - this.container = container; - } - else { - this.container = document.body; - } - // x, y and text are optional, see if a style object was passed in their place - if (style === undefined) { - if (typeof x === "object") { - style = x; - x = undefined; - } else if (typeof text === "object") { - style = text; - text = undefined; - } else { - // for backwards compatibility, in case clients other than Network are creating Popup directly - style = { - fontColor: 'black', - fontSize: 14, // px - fontFace: 'verdana', - color: { - border: '#666', - background: '#FFFFC6' - } - } - } - } + /** + * mapping of special keycodes to their corresponding keys + * + * everything in this dictionary cannot use keypress events + * so it has to be here to map to the correct keycodes for + * keyup/keydown events + * + * @type {Object} + */ + var _MAP = { + 8: 'backspace', + 9: 'tab', + 13: 'enter', + 16: 'shift', + 17: 'ctrl', + 18: 'alt', + 20: 'capslock', + 27: 'esc', + 32: 'space', + 33: 'pageup', + 34: 'pagedown', + 35: 'end', + 36: 'home', + 37: 'left', + 38: 'up', + 39: 'right', + 40: 'down', + 45: 'ins', + 46: 'del', + 91: 'meta', + 93: 'meta', + 224: 'meta' + }, - this.x = 0; - this.y = 0; - this.padding = 5; + /** + * mapping for special characters so they can support + * + * this dictionary is only used incase you want to bind a + * keyup or keydown event to one of these keys + * + * @type {Object} + */ + _KEYCODE_MAP = { + 106: '*', + 107: '+', + 109: '-', + 110: '.', + 111 : '/', + 186: ';', + 187: '=', + 188: ',', + 189: '-', + 190: '.', + 191: '/', + 192: '`', + 219: '[', + 220: '\\', + 221: ']', + 222: '\'' + }, - if (x !== undefined && y !== undefined ) { - this.setPosition(x, y); - } - if (text !== undefined) { - this.setText(text); - } + /** + * this is a mapping of keys that require shift on a US keypad + * back to the non shift equivelents + * + * this is so you can use keyup events with these keys + * + * note that this will only work reliably on US keyboards + * + * @type {Object} + */ + _SHIFT_MAP = { + '~': '`', + '!': '1', + '@': '2', + '#': '3', + '$': '4', + '%': '5', + '^': '6', + '&': '7', + '*': '8', + '(': '9', + ')': '0', + '_': '-', + '+': '=', + ':': ';', + '\"': '\'', + '<': ',', + '>': '.', + '?': '/', + '|': '\\' + }, - // 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); - } + /** + * this is a list of special strings you can use to map + * to modifier keys when you specify your keyboard shortcuts + * + * @type {Object} + */ + _SPECIAL_ALIASES = { + 'option': 'alt', + 'command': 'meta', + 'return': 'enter', + 'escape': 'esc' + }, - /** - * @param {number} x Horizontal position of the popup window - * @param {number} y Vertical position of the popup window - */ - Popup.prototype.setPosition = function(x, y) { - this.x = parseInt(x); - this.y = parseInt(y); - }; + /** + * variable to store the flipped version of _MAP from above + * needed to check if we should use keypress or not when no action + * is specified + * + * @type {Object|undefined} + */ + _REVERSE_MAP, - /** - * Set the content for the popup window. This can be HTML code or text. - * @param {string | Element} content - */ - Popup.prototype.setText = function(content) { - if (content instanceof Element) { - this.frame.innerHTML = ''; - this.frame.appendChild(content); - } - else { - this.frame.innerHTML = content; // string containing text or HTML - } - }; + /** + * a list of all the callbacks setup via Mousetrap.bind() + * + * @type {Object} + */ + _callbacks = {}, - /** - * Show the popup window - * @param {boolean} show Optional. Show or hide the window - */ - Popup.prototype.show = function (show) { - if (show === undefined) { - show = true; - } + /** + * direct map of string combinations to callbacks used for trigger() + * + * @type {Object} + */ + _direct_map = {}, - if (show) { - var height = this.frame.clientHeight; - var width = this.frame.clientWidth; - var maxHeight = this.frame.parentNode.clientHeight; - var maxWidth = this.frame.parentNode.clientWidth; + /** + * keeps track of what level each sequence is at since multiple + * sequences can start out with the same sequence + * + * @type {Object} + */ + _sequence_levels = {}, - var top = (this.y - height); - if (top + height + this.padding > maxHeight) { - top = maxHeight - height - this.padding; - } - if (top < this.padding) { - top = this.padding; - } + /** + * variable to store the setTimeout call + * + * @type {null|number} + */ + _reset_timer, - var left = this.x; - if (left + width + this.padding > maxWidth) { - left = maxWidth - width - this.padding; - } - if (left < this.padding) { - left = this.padding; - } + /** + * temporary state where we will ignore the next keyup + * + * @type {boolean|string} + */ + _ignore_next_keyup = false, - this.frame.style.left = left + "px"; - this.frame.style.top = top + "px"; - this.frame.style.visibility = "visible"; - } - else { - this.hide(); + /** + * are we currently inside of a sequence? + * type of action ("keyup" or "keydown" or "keypress") or false + * + * @type {boolean|string} + */ + _inside_sequence = false; + + /** + * loop through the f keys, f1 to f19 and add them to the map + * programatically + */ + for (var i = 1; i < 20; ++i) { + _MAP[111 + i] = 'f' + i; } - }; - /** - * Hide the popup window - */ - Popup.prototype.hide = function () { - this.frame.style.visibility = "hidden"; - }; + /** + * loop through to map numbers on the numeric keypad + */ + for (i = 0; i <= 9; ++i) { + _MAP[i + 96] = i; + } - module.exports = Popup; + /** + * cross browser add event method + * + * @param {Element|HTMLDocument} object + * @param {string} type + * @param {Function} callback + * @returns void + */ + function _addEvent(object, type, callback) { + if (object.addEventListener) { + return object.addEventListener(type, callback, false); + } + object.attachEvent('on' + type, callback); + } -/***/ }, -/* 42 */ -/***/ function(module, exports, __webpack_require__) { + /** + * takes the event and returns the key character + * + * @param {Event} e + * @return {string} + */ + function _characterFromEvent(e) { - /** - * 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(); - } + // for keypress events we should return the character as is + if (e.type == 'keypress') { + return String.fromCharCode(e.which); + } - // token types enumeration - var TOKENTYPE = { - NULL : 0, - DELIMITER : 1, - IDENTIFIER: 2, - UNKNOWN : 3 - }; + // for non keypress events the special maps are needed + if (_MAP[e.which]) { + return _MAP[e.which]; + } - // map with all delimiters - var DELIMITERS = { - '{': true, - '}': true, - '[': true, - ']': true, - ';': true, - '=': true, - ',': true, + if (_KEYCODE_MAP[e.which]) { + return _KEYCODE_MAP[e.which]; + } - '->': true, - '--': true - }; + // if it is not in the special map + return String.fromCharCode(e.which).toLowerCase(); + } - 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 + /** + * should we stop this event before firing off callbacks + * + * @param {Event} e + * @return {boolean} + */ + function _stop(e) { + var element = e.target || e.srcElement, + tag_name = element.tagName; - /** - * 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); - } + // if the element has the class "mousetrap" then no need to stop + if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) { + return false; + } - /** - * 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); - } + // stop for input, select, and textarea + return tag_name == 'INPUT' || tag_name == 'SELECT' || tag_name == 'TEXTAREA' || (element.contentEditable && element.contentEditable == 'true'); + } - /** - * Preview the next character from the dot file. - * @return {String} cNext - */ - function nextPreview() { - return dot.charAt(index + 1); - } + /** + * checks if two arrays are equal + * + * @param {Array} modifiers1 + * @param {Array} modifiers2 + * @returns {boolean} + */ + function _modifiersMatch(modifiers1, modifiers2) { + return modifiers1.sort().join(',') === modifiers2.sort().join(','); + } - /** - * 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); - } + /** + * resets all sequence counters except for the ones passed in + * + * @param {Object} do_not_reset + * @returns void + */ + function _resetSequences(do_not_reset) { + do_not_reset = do_not_reset || {}; - /** - * 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 = {}; - } + var active_sequences = false, + key; - if (b) { - for (var name in b) { - if (b.hasOwnProperty(name)) { - a[name] = b[name]; + for (key in _sequence_levels) { + if (do_not_reset[key]) { + active_sequences = true; + continue; + } + _sequence_levels[key] = 0; } - } - } - 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] = {}; + if (!active_sequences) { + _inside_sequence = false; } - o = o[key]; - } - else { - // this is the end point - o[key] = value; - } } - } - /** - * Add a node to a graph object. If there is already a node with - * the same id, their attributes will be merged. - * @param {Object} graph - * @param {Object} node - */ - function addNode(graph, node) { - var i, len; - var current = null; + /** + * finds all callbacks that match based on the keycode, modifiers, + * and action + * + * @param {string} character + * @param {Array} modifiers + * @param {string} action + * @param {boolean=} remove - should we remove any matches + * @param {string=} combination + * @returns {Array} + */ + function _getMatches(character, modifiers, action, remove, combination) { + var i, + callback, + matches = []; - // 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 there are no events related to this keycode + if (!_callbacks[character]) { + return []; + } - // 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 a modifier key is coming up on its own we should allow it + if (action == 'keyup' && _isModifier(character)) { + modifiers = [character]; } - } - } - - 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]; - - 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); - } - } + // loop through all callbacks for the key that was pressed + // and see if any of them match + for (i = 0; i < _callbacks[character].length; ++i) { + callback = _callbacks[character][i]; - /** - * Add an edge to a graph object - * @param {Object} graph - * @param {Object} edge - */ - function addEdge(graph, edge) { - if (!graph.edges) { - graph.edges = []; - } - graph.edges.push(edge); - if (graph.edge) { - var attr = merge({}, graph.edge); // clone default attributes - edge.attr = merge(attr, edge.attr); // merge attributes - } - } + // if this is a sequence but it is not at the right level + // then move onto the next match + if (callback.seq && _sequence_levels[callback.seq] != callback.level) { + continue; + } - /** - * Create an edge to a graph object - * @param {Object} graph - * @param {String | Number | Object} from - * @param {String | Number | Object} to - * @param {String} type - * @param {Object | null} attr - * @return {Object} edge - */ - function createEdge(graph, from, to, type, attr) { - var edge = { - from: from, - to: to, - type: type - }; + // if the action we are looking for doesn't match the action we got + // then we should keep going + if (action != callback.action) { + continue; + } - if (graph.edge) { - edge.attr = merge({}, graph.edge); // clone default attributes - } - edge.attr = merge(edge.attr || {}, attr); // merge attributes + // if this is a keypress event that means that we need to only + // look at the character, otherwise check the modifiers as + // well + if (action == 'keypress' || _modifiersMatch(modifiers, callback.modifiers)) { - return edge; - } + // remove is used so if you change your mind and call bind a + // second time with a new function the first one is overwritten + if (remove && callback.combo == combination) { + _callbacks[character].splice(i, 1); + } - /** - * 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 = ''; + matches.push(callback); + } + } - // skip over whitespaces - while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter - next(); + return matches; } - do { - var isComment = false; + /** + * takes a key event and figures out what the modifiers are + * + * @param {Event} e + * @returns {Array} + */ + function _eventModifiers(e) { + var modifiers = []; - // skip comment - if (c == '#') { - // find the previous non-space character - var i = index - 1; - while (dot.charAt(i) == ' ' || dot.charAt(i) == '\t') { - i--; - } - if (dot.charAt(i) == '\n' || dot.charAt(i) == '') { - // the # is at the start of a line, this is indeed a line comment - while (c != '' && c != '\n') { - next(); - } - isComment = true; - } - } - if (c == '/' && nextPreview() == '/') { - // skip line comment - while (c != '' && c != '\n') { - next(); - } - isComment = true; - } - if (c == '/' && nextPreview() == '*') { - // skip block comment - while (c != '') { - if (c == '*' && nextPreview() == '/') { - // end of block comment found. skip these last two characters - next(); - next(); - break; - } - else { - next(); - } + if (e.shiftKey) { + modifiers.push('shift'); } - isComment = true; - } - // skip over whitespaces - while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter - next(); - } - } - while (isComment); + if (e.altKey) { + modifiers.push('alt'); + } - // check for end of dot file - if (c == '') { - // token is still empty - tokenType = TOKENTYPE.DELIMITER; - return; - } + if (e.ctrlKey) { + modifiers.push('ctrl'); + } - // check for delimiters consisting of 2 characters - var c2 = c + nextPreview(); - if (DELIMITERS[c2]) { - tokenType = TOKENTYPE.DELIMITER; - token = c2; - next(); - next(); - return; - } + if (e.metaKey) { + modifiers.push('meta'); + } - // check for delimiters consisting of 1 character - if (DELIMITERS[c]) { - tokenType = TOKENTYPE.DELIMITER; - token = c; - next(); - return; + return modifiers; } - // 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(); + /** + * actually calls the callback function + * + * if your callback function returns false this will use the jquery + * convention - prevent default and stop propogation on the event + * + * @param {Function} callback + * @param {Event} e + * @returns void + */ + function _fireCallback(callback, e) { + if (callback(e) === false) { + if (e.preventDefault) { + e.preventDefault(); + } - while (isAlphaNumeric(c)) { - token += c; - next(); - } - if (token == 'false') { - token = false; // convert to boolean - } - else if (token == 'true') { - token = true; // convert to boolean - } - else if (!isNaN(Number(token))) { - token = Number(token); // convert to number - } - tokenType = TOKENTYPE.IDENTIFIER; - return; - } + if (e.stopPropagation) { + e.stopPropagation(); + } - // 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(); + e.returnValue = false; + e.cancelBubble = true; } - next(); - } - if (c != '"') { - throw newSyntaxError('End of string " expected'); - } - next(); - tokenType = TOKENTYPE.IDENTIFIER; - return; - } - - // something unknown is found, wrong characters, a syntax error - tokenType = TOKENTYPE.UNKNOWN; - while (c != '') { - token += c; - next(); } - throw new SyntaxError('Syntax error in part "' + chop(token, 30) + '"'); - } - - /** - * Parse a graph. - * @returns {Object} graph - */ - function parseGraph() { - var graph = {}; - first(); - getToken(); + /** + * handles a character key event + * + * @param {string} character + * @param {Event} e + * @returns void + */ + function _handleCharacter(character, e) { - // optional strict keyword - if (token == 'strict') { - graph.strict = true; - getToken(); - } + // if this event should not happen stop here + if (_stop(e)) { + return; + } - // graph or digraph keyword - if (token == 'graph' || token == 'digraph') { - graph.type = token; - getToken(); - } + var callbacks = _getMatches(character, _eventModifiers(e), e.type), + i, + do_not_reset = {}, + processed_sequence_callback = false; - // optional graph id - if (tokenType == TOKENTYPE.IDENTIFIER) { - graph.id = token; - getToken(); - } + // loop through matching callbacks for this key event + for (i = 0; i < callbacks.length; ++i) { - // open angle bracket - if (token != '{') { - throw newSyntaxError('Angle bracket { expected'); - } - getToken(); + // fire for all sequence callbacks + // this is because if for example you have multiple sequences + // bound such as "g i" and "g t" they both need to fire the + // callback for matching g cause otherwise you can only ever + // match the first one + if (callbacks[i].seq) { + processed_sequence_callback = true; - // statements - parseStatements(graph); + // keep a list of which sequences were matches for later + do_not_reset[callbacks[i].seq] = 1; + _fireCallback(callbacks[i].callback, e); + continue; + } - // close angle bracket - if (token != '}') { - throw newSyntaxError('Angle bracket } expected'); - } - getToken(); + // if there were no sequence matches but we are still here + // that means this is a regular match so we should fire that + if (!processed_sequence_callback && !_inside_sequence) { + _fireCallback(callbacks[i].callback, e); + } + } - // end of file - if (token !== '') { - throw newSyntaxError('End of file expected'); + // if you are inside of a sequence and the key you are pressing + // is not a modifier key then we should reset all sequences + // that were not matched by this key event + if (e.type == _inside_sequence && !_isModifier(character)) { + _resetSequences(do_not_reset); + } } - getToken(); - // remove temporary default properties - delete graph.node; - delete graph.edge; - delete graph.graph; + /** + * handles a keydown event + * + * @param {Event} e + * @returns void + */ + function _handleKey(e) { - return graph; - } + // normalize e.which for key events + // @see http://stackoverflow.com/questions/4285627/javascript-keycode-vs-charcode-utter-confusion + e.which = typeof e.which == "number" ? e.which : e.keyCode; - /** - * Parse a list with statements. - * @param {Object} graph - */ - function parseStatements (graph) { - while (token !== '' && token != '}') { - parseStatement(graph); - if (token == ';') { - getToken(); - } - } - } + var character = _characterFromEvent(e); - /** - * 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); + // no character found then stop + if (!character) { + return; + } - return; - } + if (e.type == 'keyup' && _ignore_next_keyup == character) { + _ignore_next_keyup = false; + return; + } - // parse an attribute statement - var attr = parseAttributeStatement(graph); - if (attr) { - return; + _handleCharacter(character, e); } - // parse node - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Identifier expected'); + /** + * determines if the keycode specified is a modifier key or not + * + * @param {string} key + * @returns {boolean} + */ + function _isModifier(key) { + return key == 'shift' || key == 'ctrl' || key == 'alt' || key == 'meta'; } - var id = token; // id can be a string or a number - getToken(); - if (token == '=') { - // id statement - getToken(); - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Identifier expected'); - } - graph[id] = token; - getToken(); - // TODO: implement comma separated list with "a_list: ID=ID [','] [a_list] " - } - else { - parseNodeStatement(graph, id); + /** + * called to set a 1 second timeout on the specified sequence + * + * this is so after each key press in the sequence you have 1 second + * to press the next key before you have to start over + * + * @returns void + */ + function _resetSequenceTimer() { + clearTimeout(_reset_timer); + _reset_timer = setTimeout(_resetSequences, 1000); } - } - /** - * Parse a subgraph - * @param {Object} graph parent graph object - * @return {Object | null} subgraph - */ - function parseSubgraph (graph) { - var subgraph = null; + /** + * reverses the map lookup so that we can look for specific keys + * to see what can and can't use keypress + * + * @return {Object} + */ + function _getReverseMap() { + if (!_REVERSE_MAP) { + _REVERSE_MAP = {}; + for (var key in _MAP) { - // optional subgraph keyword - if (token == 'subgraph') { - subgraph = {}; - subgraph.type = 'subgraph'; - getToken(); + // pull out the numeric keypad from here cause keypress should + // be able to detect the keys from the character + if (key > 95 && key < 112) { + continue; + } - // optional graph id - if (tokenType == TOKENTYPE.IDENTIFIER) { - subgraph.id = token; - getToken(); - } + if (_MAP.hasOwnProperty(key)) { + _REVERSE_MAP[_MAP[key]] = key; + } + } + } + return _REVERSE_MAP; } - // open angle bracket - if (token == '{') { - getToken(); + /** + * picks the best action based on the key combination + * + * @param {string} key - character for key + * @param {Array} modifiers + * @param {string=} action passed in + */ + function _pickBestAction(key, modifiers, action) { - if (!subgraph) { - subgraph = {}; - } - subgraph.parent = graph; - subgraph.node = graph.node; - subgraph.edge = graph.edge; - subgraph.graph = graph.graph; + // if no action was picked in we should try to pick the one + // that we think would work best for this key + if (!action) { + action = _getReverseMap()[key] ? 'keydown' : 'keypress'; + } - // statements - parseStatements(subgraph); + // modifier keys don't work as expected with keypress, + // switch to keydown + if (action == 'keypress' && modifiers.length) { + action = 'keydown'; + } - // close angle bracket - if (token != '}') { - throw newSyntaxError('Angle bracket } expected'); - } - getToken(); + return action; + } - // 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); - } + /** + * binds a key sequence to an event + * + * @param {string} combo - combo specified in bind call + * @param {Array} keys + * @param {Function} callback + * @param {string=} action + * @returns void + */ + function _bindSequence(combo, keys, callback, action) { - return subgraph; - } + // start off by adding a sequence level record for this combination + // and setting the level to 0 + _sequence_levels[combo] = 0; - /** - * 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(); + // if there is no action pick the best one for the first key + // in the sequence + if (!action) { + action = _pickBestAction(keys[0], []); + } - // node attributes - graph.node = parseAttributeList(); - return 'node'; - } - else if (token == 'edge') { - getToken(); + /** + * callback to increase the sequence level for this sequence and reset + * all other sequences that were active + * + * @param {Event} e + * @returns void + */ + var _increaseSequence = function(e) { + _inside_sequence = action; + ++_sequence_levels[combo]; + _resetSequenceTimer(); + }, - // edge attributes - graph.edge = parseAttributeList(); - return 'edge'; - } - else if (token == 'graph') { - getToken(); + /** + * wraps the specified callback inside of another function in order + * to reset all sequence counters as soon as this sequence is done + * + * @param {Event} e + * @returns void + */ + _callbackAndReset = function(e) { + _fireCallback(callback, e); - // graph attributes - graph.graph = parseAttributeList(); - return 'graph'; - } + // we should ignore the next key up if the action is key down + // or keypress. this is so if you finish a sequence and + // release the key the final key will not trigger a keyup + if (action !== 'keyup') { + _ignore_next_keyup = _characterFromEvent(e); + } - return null; - } + // weird race condition if a sequence ends with the key + // another sequence begins with + setTimeout(_resetSequences, 10); + }, + i; - /** - * 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; + // loop through keys one at a time and bind the appropriate callback + // function. for any key leading up to the final one it should + // increase the sequence. after the final, it should reset all sequences + for (i = 0; i < keys.length; ++i) { + _bindSingle(keys[i], i < keys.length - 1 ? _increaseSequence : _callbackAndReset, action, combo, i); + } } - addNode(graph, node); - // edge statements - parseEdge(graph, id); - } + /** + * binds a single keyboard combination + * + * @param {string} combination + * @param {Function} callback + * @param {string=} action + * @param {string=} sequence_name - name of sequence if part of sequence + * @param {number=} level - what part of the sequence the command is + * @returns void + */ + function _bindSingle(combination, callback, action, sequence_name, level) { - /** - * 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(); + // make sure multiple spaces in a row become a single space + combination = combination.replace(/\s+/g, ' '); - 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(); - } + var sequence = combination.split(' '), + i, + key, + keys, + modifiers = []; - // parse edge attributes - var attr = parseAttributeList(); + // if this pattern is a sequence of keys then run through this method + // to reprocess each pattern one key at a time + if (sequence.length > 1) { + return _bindSequence(combination, sequence, callback, action); + } - // create edge - var edge = createEdge(graph, from, to, type, attr); - addEdge(graph, edge); + // take the keys from this pattern and figure out what the actual + // pattern is all about + keys = combination === '+' ? ['+'] : combination.split('+'); - from = to; - } - } + for (i = 0; i < keys.length; ++i) { + key = keys[i]; - /** - * Parse a set with attributes, - * for example [label="1.000", shape=solid] - * @return {Object | null} attr - */ - function parseAttributeList() { - var attr = null; + // normalize key names + if (_SPECIAL_ALIASES[key]) { + key = _SPECIAL_ALIASES[key]; + } - while (token == '[') { - getToken(); - attr = {}; - while (token !== '' && token != ']') { - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Attribute name expected'); - } - var name = token; + // if this is not a keypress event then we should + // be smart about using shift keys + // this will only work for US keyboards however + if (action && action != 'keypress' && _SHIFT_MAP[key]) { + key = _SHIFT_MAP[key]; + modifiers.push('shift'); + } - getToken(); - if (token != '=') { - throw newSyntaxError('Equal sign = expected'); + // if this key is a modifier then add it to the list of modifiers + if (_isModifier(key)) { + modifiers.push(key); + } } - getToken(); - if (tokenType != TOKENTYPE.IDENTIFIER) { - throw newSyntaxError('Attribute value expected'); - } - var value = token; - setValue(attr, name, value); // name can be a path + // depending on what the key combination is + // we will try to pick the best event for it + action = _pickBestAction(key, modifiers, action); - getToken(); - if (token ==',') { - getToken(); + // make sure to initialize array if this is the first time + // a callback is added for this key + if (!_callbacks[key]) { + _callbacks[key] = []; } - } - - if (token != ']') { - throw newSyntaxError('Bracket ] expected'); - } - 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 + ')'); - } - /** - * 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) + '...'); - } + // remove an existing match if there is one + _getMatches(key, modifiers, action, !sequence_name, combination); - /** - * 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); + // add this call back to the array + // if it is a sequence put it at the beginning + // if not put it at the end + // + // this is important because the way these are processed expects + // the sequence ones to come first + _callbacks[key][sequence_name ? 'unshift' : 'push']({ + callback: callback, + modifiers: modifiers, + action: action, + seq: sequence_name, + level: level, + combo: combination }); - } - else { - fn(array1, array2); - } } - } - - /** - * Convert a string containing a graph in DOT language into a map containing - * with nodes and edges in the format of graph. - * @param {String} data Text containing a graph in DOT-notation - * @return {Object} graphData - */ - function DOTToGraph (data) { - // parse the DOT file - var dotData = parseDOT(data); - var graphData = { - nodes: [], - edges: [], - options: {} - }; - // copy the nodes - if (dotData.nodes) { - dotData.nodes.forEach(function (dotNode) { - var graphNode = { - id: dotNode.id, - label: String(dotNode.label || dotNode.id) - }; - merge(graphNode, dotNode.attr); - if (graphNode.image) { - graphNode.shape = 'image'; + /** + * binds multiple combinations to the same callback + * + * @param {Array} combinations + * @param {Function} callback + * @param {string|undefined} action + * @returns void + */ + function _bindMultiple(combinations, callback, action) { + for (var i = 0; i < combinations.length; ++i) { + _bindSingle(combinations[i], callback, action); } - graphData.nodes.push(graphNode); - }); } - // copy the edges - if (dotData.edges) { - /** - * Convert an edge in DOT format to an edge with VisGraph format - * @param {Object} dotEdge - * @returns {Object} graphEdge - */ - function convertEdge(dotEdge) { - var graphEdge = { - from: dotEdge.from, - to: dotEdge.to - }; - merge(graphEdge, dotEdge.attr); - graphEdge.style = (dotEdge.type == '->') ? 'arrow' : 'line'; - return graphEdge; - } + // start! + _addEvent(document, 'keypress', _handleKey); + _addEvent(document, 'keydown', _handleKey); + _addEvent(document, 'keyup', _handleKey); - dotData.edges.forEach(function (dotEdge) { - var from, to; - if (dotEdge.from instanceof Object) { - from = dotEdge.from.nodes; - } - else { - from = { - id: dotEdge.from - } - } + var mousetrap = { - if (dotEdge.to instanceof Object) { - to = dotEdge.to.nodes; - } - else { - to = { - id: dotEdge.to - } - } + /** + * binds an event to mousetrap + * + * can be a single key, a combination of keys separated with +, + * a comma separated list of keys, an array of keys, or + * a sequence of keys separated by spaces + * + * be sure to list the modifier keys first to make sure that the + * correct key ends up getting bound (the last key in the pattern) + * + * @param {string|Array} keys + * @param {Function} callback + * @param {string=} action - 'keypress', 'keydown', or 'keyup' + * @returns void + */ + bind: function(keys, callback, action) { + _bindMultiple(keys instanceof Array ? keys : [keys], callback, action); + _direct_map[keys + ':' + action] = callback; + return this; + }, - if (dotEdge.from instanceof Object && dotEdge.from.edges) { - dotEdge.from.edges.forEach(function (subEdge) { - var graphEdge = convertEdge(subEdge); - graphData.edges.push(graphEdge); - }); - } + /** + * unbinds an event to mousetrap + * + * the unbinding sets the callback function of the specified key combo + * to an empty function and deletes the corresponding key in the + * _direct_map dict. + * + * the keycombo+action has to be exactly the same as + * it was defined in the bind method + * + * TODO: actually remove this from the _callbacks dictionary instead + * of binding an empty function + * + * @param {string|Array} keys + * @param {string} action + * @returns void + */ + unbind: function(keys, action) { + if (_direct_map[keys + ':' + action]) { + delete _direct_map[keys + ':' + action]; + this.bind(keys, function() {}, action); + } + return this; + }, - 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); - }); + /** + * triggers an event that has already been bound + * + * @param {string} keys + * @param {string=} action + * @returns void + */ + trigger: function(keys, action) { + _direct_map[keys + ':' + action](); + return this; + }, - if (dotEdge.to instanceof Object && dotEdge.to.edges) { - dotEdge.to.edges.forEach(function (subEdge) { - var graphEdge = convertEdge(subEdge); - graphData.edges.push(graphEdge); - }); + /** + * resets the library back to its initial state. this is useful + * if you want to clear out the current keyboard shortcuts and bind + * new ones - for example if you switch to another page + * + * @returns void + */ + reset: function() { + _callbacks = {}; + _direct_map = {}; + return this; } - }); - } - - // copy the options - if (dotData.attr) { - graphData.options = dotData.attr; - } + }; - return graphData; - } + module.exports = mousetrap; - // exports - exports.parseDOT = parseDOT; - exports.DOTToGraph = DOTToGraph; /***/ }, -/* 43 */ +/* 42 */ /***/ function(module, exports, __webpack_require__) { - - function parseGephi(gephiJSON, options) { - var edges = []; - var nodes = []; - this.options = { - edges: { - inheritColor: true - }, - nodes: { - allowedToMove: false, - parseColor: false - } - }; + var Emitter = __webpack_require__(11); + var Hammer = __webpack_require__(19); + var util = __webpack_require__(1); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var Range = __webpack_require__(21); + var Core = __webpack_require__(25); + var TimeAxis = __webpack_require__(26); + var CurrentTime = __webpack_require__(28); + var CustomTime = __webpack_require__(30); + var LineGraph = __webpack_require__(43); - if (options !== undefined) { - this.options.nodes['allowedToMove'] = options.allowedToMove | false; - this.options.nodes['parseColor'] = options.parseColor | false; - this.options.edges['inheritColor'] = options.inheritColor | true; + /** + * Create a timeline visualization + * @param {HTMLElement} container + * @param {vis.DataSet | Array | google.visualization.DataTable} [items] + * @param {Object} [options] See Graph2d.setOptions for the available options. + * @constructor + * @extends Core + */ + function Graph2d (container, items, groups, options) { + // if the third element is options, the forth is groups (optionally); + if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) { + var forthArgument = options; + options = groups; + groups = forthArgument; } - var gEdges = gephiJSON.edges; - var gNodes = gephiJSON.nodes; - for (var i = 0; i < gEdges.length; i++) { - var edge = {}; - var gEdge = gEdges[i]; - edge['id'] = gEdge.id; - edge['from'] = gEdge.source; - edge['to'] = gEdge.target; - edge['attributes'] = gEdge.attributes; - // edge['value'] = gEdge.attributes !== undefined ? gEdge.attributes.Weight : undefined; - // edge['width'] = edge['value'] !== undefined ? undefined : edgegEdge.size; - edge['color'] = gEdge.color; - edge['inheritColor'] = edge['color'] !== undefined ? false : this.options.inheritColor; - edges.push(edge); - } - - for (var i = 0; i < gNodes.length; i++) { - var node = {}; - var gNode = gNodes[i]; - node['id'] = gNode.id; - node['attributes'] = gNode.attributes; - node['x'] = gNode.x; - node['y'] = gNode.y; - node['label'] = gNode.label; - if (this.options.nodes.parseColor == true) { - node['color'] = gNode.color; - } - 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); - } + var me = this; + this.defaultOptions = { + start: null, + end: null, - return {nodes:nodes, edges:edges}; - } + autoResize: true, - exports.parseGephi = parseGephi; + orientation: 'bottom', + width: null, + height: null, + maxHeight: null, + minHeight: null + }; + this.options = util.deepExtend({}, this.defaultOptions); -/***/ }, -/* 44 */ -/***/ function(module, exports, __webpack_require__) { + // Create the DOM, props, and emitter + this._create(container); - // 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__(55); + // all components listed here will be repainted automatically + this.components = []; + this.body = { + dom: this.dom, + domProps: this.props, + emitter: { + on: this.on.bind(this), + off: this.off.bind(this), + emit: this.emit.bind(this) + }, + hiddenDates: [], + util: { + snap: null, // will be specified after TimeAxis is created + toScreen: me._toScreen.bind(me), + toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width + toTime: me._toTime.bind(me), + toGlobalTime : me._toGlobalTime.bind(me) + } + }; -/***/ }, -/* 45 */ -/***/ function(module, exports, __webpack_require__) { + // range + this.range = new Range(this.body); + this.components.push(this.range); + this.body.range = this.range; - // 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__(56); - } - else { - module.exports = function () { - throw Error('hammer.js is only available in a browser, not in node.js.'); - } - } + // 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); -/***/ }, -/* 46 */ -/***/ function(module, exports, __webpack_require__) { + // 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); - var Emitter = __webpack_require__(53); - 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 TimeAxis = __webpack_require__(30); - var CurrentTime = __webpack_require__(21); - var CustomTime = __webpack_require__(22); - var ItemSet = __webpack_require__(27); - var Activator = __webpack_require__(52); - var DateUtil = __webpack_require__(15); + // item set + this.linegraph = new LineGraph(this.body); + this.components.push(this.linegraph); - /** - * 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 - */ - function Core () {} + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet - // turn Core into an event emitter - Emitter(Core.prototype); + // apply options + if (options) { + this.setOptions(options); + } - /** - * Create the main DOM for the Core: a root panel containing left, right, - * top, bottom, content, and background panel. - * @param {Element} container The container element where the Core will - * be attached. - * @private - */ - Core.prototype._create = function (container) { - this.dom = {}; + // IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! + if (groups) { + this.setGroups(groups); + } - 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'); + // create itemset + if (items) { + this.setItems(items); + } + else { + this.redraw(); + } + } - 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'; + // Extend the functionality from Core + Graph2d.prototype = new Core(); - 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); + /** + * Set items + * @param {vis.DataSet | Array | google.visualization.DataTable | null} items + */ + Graph2d.prototype.setItems = function(items) { + var initialLoad = (this.itemsData == null); - this.dom.centerContainer.appendChild(this.dom.center); - this.dom.leftContainer.appendChild(this.dom.left); - this.dom.rightContainer.appendChild(this.dom.right); + // 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.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); + // set items + this.itemsData = newDataSet; + this.linegraph && this.linegraph.setItems(newDataSet); - 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)); + 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; - 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) - } + this.setWindow(start, end, {animate: false}); } else { - // redraw immediately - me.redraw(); + this.fit({animate: false}); } - }); - - // 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); - } - }; - 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 - - // attach the root panel to the provided container - if (!container) throw new Error('No container provided'); - container.appendChild(this.dom.root); + } }; /** - * 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 + * Set groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groups */ - 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); - - if ('hiddenDates' in this.options) { - DateUtil.convertHiddenOptions(this.body, this.options.hiddenDates); - } - - if ('clickToUse' in options) { - if (options.clickToUse) { - this.activator = new Activator(this.dom.root); - } - else { - if (this.activator) { - this.activator.destroy(); - delete this.activator; - } - } - } - - // enable/disable autoResize - this._initAutoResize(); + Graph2d.prototype.setGroups = function(groups) { + // convert to type DataSet when needed + var newDataSet; + if (!groups) { + newDataSet = null; } - - // propagate options to all components - this.components.forEach(function (component) { - component.setOptions(options); - }); - - // TODO: remove deprecation error one day (deprecated since version 0.8.0) - if (options && options.order) { - throw new Error('Option order is deprecated. There is no replacement for this feature.'); + else if (groups instanceof DataSet || groups instanceof DataView) { + newDataSet = groups; + } + else { + // turn an array into a dataset + newDataSet = new DataSet(groups); } - // redraw everything - this.redraw(); + this.groupsData = newDataSet; + this.linegraph.setGroups(newDataSet); }; /** - * Returns true when the Timeline is active. - * @returns {boolean} + * Returns an object containing an SVG element with the icon of the group (size determined by iconWidth and iconHeight), the label of the group (content) and the yAxisOrientation of the group (left or right). + * @param groupId + * @param width + * @param height */ - Core.prototype.isActive = function () { - return !this.activator || this.activator.active; - }; + 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; + } + } /** - * Destroy the Core, clean up all DOM elements and event listeners. + * This checks if the visible option of the supplied group (by ID) is true or false. + * @param groupId + * @returns {*} */ - Core.prototype.destroy = function () { - // unbind datasets - this.clear(); - - // remove all event listeners - this.off(); - - // stop checking for changed size - this._stopAutoResize(); - - // remove from DOM - if (this.dom.root.parentNode) { - this.dom.root.parentNode.removeChild(this.dom.root); - } - this.dom = null; - - // remove Activator - if (this.activator) { - this.activator.destroy(); - delete this.activator; + 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)); } - - // cleanup hammer touch events - for (var event in this.listeners) { - if (this.listeners.hasOwnProperty(event)) { - delete this.listeners[event]; - } + else { + return false; } - this.listeners = null; - this.hammer = null; - - // give all components the opportunity to cleanup - this.components.forEach(function (component) { - component.destroy(); - }); - - this.body = null; - }; + } /** - * Set a custom time bar - * @param {Date} time + * 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 */ - Core.prototype.setCustomTime = function (time) { - if (!this.customTime) { - throw new Error('Cannot get custom time: Custom time bar is not enabled'); + Graph2d.prototype.getItemRange = function() { + var min = null; + var max = null; + + // calculate min from start filed + for (var groupId in this.linegraph.groups) { + if (this.linegraph.groups.hasOwnProperty(groupId)) { + if (this.linegraph.groups[groupId].visible == true) { + for (var i = 0; i < this.linegraph.groups[groupId].itemsData.length; i++) { + var item = this.linegraph.groups[groupId].itemsData[i]; + var value = util.convert(item.x, 'Date').valueOf(); + min = min == null ? value : min > value ? value : min; + max = max == null ? value : max < value ? value : max; + } + } + } } - this.customTime.setCustomTime(time); + return { + min: (min != null) ? new Date(min) : null, + max: (max != null) ? new Date(max) : null + }; }; - /** - * 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'); - } - return this.customTime.getCustomTime(); - }; + module.exports = Graph2d; - /** - * 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() || []; - }; +/***/ }, +/* 43 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var Component = __webpack_require__(23); + var DataAxis = __webpack_require__(44); + var GraphGroup = __webpack_require__(46); + var Legend = __webpack_require__(47); + 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); - } - - // clear groups - if (!what || what.groups) { - this.setGroups(null); - } - - // clear options of timeline and of each of the components - if (!what || what.options) { - this.components.forEach(function (component) { - component.setOptions(component.defaultOptions); - }); + function LineGraph(body, options) { + this.id = util.randomUUID(); + this.body = body; - this.setOptions(this.defaultOptions); // this will also do a redraw - } - }; + this.defaultOptions = { + yAxisOrientation: 'left', + defaultGroup: 'default', + sort: true, + sampling: true, + graphHeight: '400px', + shaded: { + enabled: false, + orientation: 'bottom' // top, bottom + }, + style: 'line', // line, bar + barChart: { + width: 50, + handleOverlap: 'overlap', + align: 'center' // left, center, right + }, + catmullRom: { + enabled: true, + parametrization: 'centripetal', // uniform (alpha = 0.0), chordal (alpha = 1.0), centripetal (alpha = 0.5) + alpha: 0.5 + }, + drawPoints: { + enabled: true, + size: 6, + style: 'square' // square, circle + }, + dataAxis: { + showMinorLabels: true, + showMajorLabels: true, + icons: false, + width: '40px', + visible: true, + customRange: { + left: {min:undefined, max:undefined}, + right: {min:undefined, max:undefined} + } + }, + 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: {} + } + }; - /** - * 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) { - // apply the data range as range - var dataRange = this.getItemRange(); + // 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; - // 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 + 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); } - start = new Date(start.valueOf() - interval * 0.05); - end = new Date(end.valueOf() + interval * 0.05); - } + }; - // skip range set if there is no start and end date - if (start === null && end === null) { - return; - } + // 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); + } + }; - var animate = (options && options.animate !== undefined) ? options.animate : true; - this.range.setRange(start, end, animate); - }; + 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.body.emitter.on("rangechanged", function() { + me.lastStart = me.body.range.start; + me.svg.style.left = util.option.asSize(-me.width); + me._updateGraph.apply(me); + }); + + // create the HTML DOM + this._create(); + this.body.emitter.emit("change"); + } + + LineGraph.prototype = new Component(); /** - * 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. + * Create the HTML DOM for the ItemSet */ - 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._create = function(){ + var frame = document.createElement('div'); + frame.className = 'LineGraph'; + this.dom.frame = frame; + + // create svg element for graph drawing. + this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); + this.svg.style.position = "relative"; + this.svg.style.height = ('' + this.options.graphHeight).replace("px",'') + 'px'; + this.svg.style.display = "block"; + frame.appendChild(this.svg); + + // data axis + this.options.dataAxis.orientation = 'left'; + this.yAxisLeft = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); + + this.options.dataAxis.orientation = 'right'; + this.yAxisRight = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); + delete this.options.dataAxis.orientation; + + // legends + this.legendLeft = new Legend(this.body, this.options.legend, 'left', this.options.groups); + this.legendRight = new Legend(this.body, this.options.legend, 'right', this.options.groups); + + this.show(); }; /** - * 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. + * set the options of the LineGraph. the mergeOptions is used for subObjects that have an enabled element. + * @param options */ - Core.prototype.moveTo = function(time, options) { - var interval = this.range.end - this.range.start; - var t = util.convert(time, 'Date').valueOf(); + LineGraph.prototype.setOptions = function(options) { + if (options) { + var fields = ['sampling','defaultGroup','graphHeight','yAxisOrientation','style','barChart','dataAxis','sort','groups']; + 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'); - var start = t - interval / 2; - var end = t + interval / 2; - var animate = (options && options.animate !== undefined) ? options.animate : true; + if (options.catmullRom) { + if (typeof options.catmullRom == 'object') { + if (options.catmullRom.parametrization) { + if (options.catmullRom.parametrization == 'uniform') { + this.options.catmullRom.alpha = 0; + } + else if (options.catmullRom.parametrization == 'chordal') { + this.options.catmullRom.alpha = 1.0; + } + else { + this.options.catmullRom.parametrization = 'centripetal'; + this.options.catmullRom.alpha = 0.5; + } + } + } + } - this.range.setRange(start, end, animate); + 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); + } + } + if (this.dom.frame) { + this._updateGraph(); + } }; /** - * Get the visible window - * @return {{start: Date, end: Date}} Visible range + * Hide the component from the DOM */ - Core.prototype.getWindow = function() { - var range = this.range.getRange(); - return { - start: new Date(range.start), - end: new Date(range.end) - }; + LineGraph.prototype.hide = function() { + // remove the frame containing the items + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); + } }; /** - * Force a redraw of the Core. Can be useful to manually redraw when - * option autoResize=false + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed */ - Core.prototype.redraw = function() { - var resized = false; - var options = this.options; - var props = this.props; - var dom = this.dom; + LineGraph.prototype.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); + } + }; - if (!dom) return; // when destroyed - DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); + /** + * Set items + * @param {vis.DataSet | null} items + */ + 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, ''); - - // 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 (oldItemsData) { + // unsubscribe from old dataset + util.forEach(this.itemListeners, function (callback, event) { + oldItemsData.off(event, callback); + }); - // 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(); + }; - 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'; + /** + * Set groups + * @param {vis.DataSet} groups + */ + LineGraph.prototype.setGroups = function(groups) { + var me = this, + ids; - // 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'; + // unsubscribe from current dataset + if (this.groupsData) { + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.unsubscribe(event, callback); + }); - // 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(); + // remove all drawn groups + ids = this.groupsData.getIds(); + this.groupsData = null; + this._onRemoveGroups(ids); // note: this will cause a redraw + } - // 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); + // 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'); } - 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; + if (this.groupsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.groupListeners, function (callback, event) { + me.groupsData.on(event, callback, id); + }); - // redraw all components - this.components.forEach(function (component) { - resized = component.redraw() || resized; - }); - if (resized) { - // keep repainting until all sizes are settled - this.redraw(); + // draw all ms + ids = this.groupsData.getIds(); + this._onAddGroups(ids); } + this._onUpdate(); }; - // 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. + * Update the datapoints + * @param [ids] + * @private */ - Core.prototype.setCurrentTime = function(time) { - if (!this.currentTime) { - throw new Error('Option showCurrentTime must be true'); + LineGraph.prototype._onUpdate = function(ids) { + this._updateUngrouped(); + this._updateAllGroupData(); + this._updateGraph(); + this.redraw(); + }; + LineGraph.prototype._onAdd = function (ids) {this._onUpdate(ids);}; + LineGraph.prototype._onRemove = function (ids) {this._onUpdate(ids);}; + LineGraph.prototype._onUpdateGroups = function (groupIds) { + for (var i = 0; i < groupIds.length; i++) { + var group = this.groupsData.get(groupIds[i]); + this._updateGroup(group, groupIds[i]); } - this.currentTime.setCurrentTime(time); + this._updateGraph(); + this.redraw(); }; + LineGraph.prototype._onAddGroups = function (groupIds) {this._onUpdateGroups(groupIds);}; - /** - * 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'); + 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]]; + } } - - return this.currentTime.getCurrentTime(); - }; - - /** - * Convert a position on screen (pixels) to a datetime - * @param {int} x Position on the screen in pixels - * @return {Date} time The datetime the corresponds with given position x - * @private - */ - // TODO: move this function to Range - Core.prototype._toTime = function(x) { - return DateUtil.toTime(this.body, this.range, x, this.props.center.width); + this._updateUngrouped(); + this._updateGraph(); + this.redraw(); }; /** - * 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 a group object + * + * @param group + * @param groupId * @private */ - // TODO: move this function to Range - Core.prototype._toGlobalTime = function(x) { - return DateUtil.toTime(this.body, this.range, x, this.props.root.width); - //var conversion = this.range.conversion(this.props.root.width); - //return new Date(x / conversion.scale + conversion.offset); + LineGraph.prototype._updateGroup = function (group, groupId) { + if (!this.groups.hasOwnProperty(groupId)) { + this.groups[groupId] = new GraphGroup(group, groupId, this.options, this.groupsUsingDefaultStyles); + if (this.groups[groupId].options.yAxisOrientation == 'right') { + this.yAxisRight.addGroup(groupId, this.groups[groupId]); + this.legendRight.addGroup(groupId, this.groups[groupId]); + } + else { + this.yAxisLeft.addGroup(groupId, this.groups[groupId]); + this.legendLeft.addGroup(groupId, this.groups[groupId]); + } + } + else { + this.groups[groupId].update(group); + if (this.groups[groupId].options.yAxisOrientation == 'right') { + this.yAxisRight.updateGroup(groupId, this.groups[groupId]); + this.legendRight.updateGroup(groupId, this.groups[groupId]); + } + else { + this.yAxisLeft.updateGroup(groupId, this.groups[groupId]); + this.legendLeft.updateGroup(groupId, this.groups[groupId]); + } + } + this.legendLeft.redraw(); + this.legendRight.redraw(); }; - /** - * 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); + 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]; + 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]); + } + } + } }; - - /** - * 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 + * 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 */ - // 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._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; + } + } + } - /** - * Initialize watching when option autoResize is true - * @private - */ - Core.prototype._initAutoResize = function () { - if (this.options.autoResize == true) { - this._startAutoResize(); + 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 { - this._stopAutoResize(); + delete this.groups[UNGROUPED]; + this.legendLeft.removeGroup(UNGROUPED); + this.legendRight.removeGroup(UNGROUPED); + this.yAxisLeft.removeGroup(UNGROUPED); + this.yAxisRight.removeGroup(UNGROUPED); } + + this.legendLeft.redraw(); + this.legendRight.redraw(); }; + /** - * Watch for changes in the size of the container. On resize, the Panel will - * automatically redraw itself. - * @private + * Redraw the component, mandatory function + * @return {boolean} Returns true if the component is resized */ - Core.prototype._startAutoResize = function () { - var me = this; + LineGraph.prototype.redraw = function() { + var resized = false; - this._stopAutoResize(); + this.svg.style.height = ('' + this.options.graphHeight).replace('px','') + 'px'; + if (this.lastWidth === undefined && this.width || this.lastWidth != this.width) { + resized = true; + } + // check if this component is resized + resized = this._isResized() || resized; + // check whether zoomed (in that case we need to re-stack everything) + var visibleInterval = this.body.range.end - this.body.range.start; + var zoomed = (visibleInterval != this.lastVisibleInterval) || (this.width != this.lastWidth); + this.lastVisibleInterval = visibleInterval; + this.lastWidth = this.width; - this._onResize = function() { - if (me.options.autoResize != true) { - // stop watching when the option autoResize is changed to false - me._stopAutoResize(); - return; - } + // calculate actual size and position + this.width = this.dom.frame.offsetWidth; - 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; + // the svg element is three times as big as the width, this allows for fully dragging left and right + // without reloading the graph. the controls for this are bound to events in the constructor + if (resized == true) { + this.svg.style.width = util.option.asSize(3*this.width); + this.svg.style.left = util.option.asSize(-this.width); + } - me.emit('change'); + if (zoomed == true || this.abortedGraphUpdate == true) { + this._updateGraph(); + } + else { + // move the whole svg while dragging + if (this.lastStart != 0) { + var offset = this.body.range.start - this.lastStart; + var range = this.body.range.end - this.body.range.start; + if (this.width != 0) { + var rangePerPixelInv = this.width/range; + var xOffset = offset * rangePerPixelInv; + this.svg.style.left = (-this.width - xOffset) + "px"; } } - }; - // add event listener to window resize - util.addEventListener(window, 'resize', this._onResize); - - this.watchTimer = setInterval(this._onResize, 1000); - }; - - /** - * Stop watching for a resize of the frame. - * @private - */ - Core.prototype._stopAutoResize = function () { - if (this.watchTimer) { - clearInterval(this.watchTimer); - this.watchTimer = undefined; } - // 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; + return resized; }; /** - * Start moving the timeline vertically - * @param {Event} event - * @private + * Update and redraw the graph. + * */ - Core.prototype._onPinch = function (event) { - this.touch.allowDragging = false; - }; + LineGraph.prototype._updateGraph = function () { + // reset the svg elements + DOMutil.prepareElements(this.svgElements); + if (this.width != 0 && this.itemsData != null) { + var group, i; + var preprocessedGroupData = {}; + var processedGroupData = {}; + var groupRanges = {}; + var changeCalled = false; - /** - * Start moving the timeline vertically - * @param {Event} event - * @private - */ - Core.prototype._onDragStart = function (event) { - this.touch.initialScrollTop = this.props.scrollTop; - }; + // 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._getRelevantData(groupIds, groupsData, minDate, maxDate); + // 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); - /** - * 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 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); + if (changeCalled == true) { + DOMutil.cleanupElements(this.svgElements); + this.abortedGraphUpdate = true; + this.body.emitter.emit("change"); + return; + } + this.abortedGraphUpdate = false; - var delta = event.gesture.deltaY; + // 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); + } - var oldScrollTop = this._getScrollTop(); - var newScrollTop = this._setScrollTop(this.touch.initialScrollTop + delta); - if (newScrollTop != oldScrollTop) { - this.redraw(); // TODO: this causes two redraws when dragging, the other is triggered by rangechange already + // draw the groups + for (i = 0; i < groupIds.length; i++) { + group = this.groups[groupIds[i]]; + if (group.options.style == 'line') { + this._drawLineGraph(processedGroupData[groupIds[i]], group); + } + } + this._drawBarGraphs(groupIds, processedGroupData); + } } - }; - /** - * 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; + // cleanup unused svg elements + DOMutil.cleanupElements(this.svgElements); }; - /** - * 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); + + LineGraph.prototype._getRelevantData = function (groupIds, groupsData, minDate, maxDate) { + // 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. + 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.binarySearchGeneric(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.props.scrollTopMin = scrollTopMin; } - // limit the scrollTop to the feasible scroll range - if (this.props.scrollTop > 0) this.props.scrollTop = 0; - if (this.props.scrollTop < scrollTopMin) this.props.scrollTop = scrollTopMin; - - return this.props.scrollTop; - }; - - /** - * Get the current scrollTop - * @returns {number} scrollTop - * @private - */ - Core.prototype._getScrollTop = function () { - return this.props.scrollTop; + this._applySampling(groupIds, groupsData); }; - module.exports = Core; - - -/***/ }, -/* 47 */ -/***/ function(module, exports, __webpack_require__) { - - var Hammer = __webpack_require__(45); - - /** - * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent - * @param {Element} element - * @param {Event} event - */ - exports.fakeGesture = function(element, event) { - var eventType = null; + 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; - // for hammer.js 1.0.5 - // var gesture = Hammer.event.collectEventData(this, eventType, event); + // 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))); - // for hammer.js 1.0.6+ - var touches = Hammer.event.getTouchList(event, eventType); - var gesture = Hammer.event.collectEventData(this, eventType, touches, event); + var sampledData = []; + for (var j = 0; j < amountOfPoints; j += increment) { + sampledData.push(dataContainer[j]); - // 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; + } + groupsData[groupIds[i]] = sampledData; + } + } + } } - - return gesture; }; + LineGraph.prototype._getYRanges = function (groupIds, groupsData, groupRanges) { + var groupData, group, i,j; + var barCombinedDataLeft = []; + var barCombinedDataRight = []; + var barCombinedData; + if (groupIds.length > 0) { + for (i = 0; i < groupIds.length; i++) { + groupData = groupsData[groupIds[i]]; + if (groupData.length > 0) { + group = this.groups[groupIds[i]]; + if (group.options.style == 'line' || group.options.barChart.handleOverlap != "stack") { + var yMin = groupData[0].y; + var yMax = groupData[0].y; + for (j = 0; j < groupData.length; j++) { + yMin = yMin > groupData[j].y ? groupData[j].y : yMin; + yMax = yMax < groupData[j].y ? groupData[j].y : yMax; + } + groupRanges[groupIds[i]] = {min: yMin, max: yMax, yAxisOrientation: group.options.yAxisOrientation}; + } + else if (group.options.style == 'bar') { + if (group.options.yAxisOrientation == 'left') { + barCombinedData = barCombinedDataLeft; + } + else { + barCombinedData = barCombinedDataRight; + } -/***/ }, -/* 48 */ -/***/ function(module, exports, __webpack_require__) { + groupRanges[groupIds[i]] = {min: 0, max: 0, yAxisOrientation: group.options.yAxisOrientation, ignore: true}; - // English - exports['en'] = { - current: 'current', - time: 'time' - }; - exports['en_EN'] = exports['en']; - exports['en_US'] = exports['en']; + // combine data + for (j = 0; j < groupData.length; j++) { + barCombinedData.push({ + x: groupData[j].x, + y: groupData[j].y, + groupId: groupIds[i] + }); + } + } + } + } - // Dutch - exports['nl'] = { - custom: 'aangepaste', - time: 'tijd' + var intersections; + if (barCombinedDataLeft.length > 0) { + // sort by time and by group + barCombinedDataLeft.sort(function (a, b) { + if (a.x == b.x) { + return a.groupId - b.groupId; + } else { + return a.x - b.x; + } + }); + intersections = {}; + this._getDataIntersections(intersections, barCombinedDataLeft); + groupRanges["__barchartLeft"] = this._getStackedBarYRange(intersections, barCombinedDataLeft); + groupRanges["__barchartLeft"].yAxisOrientation = "left"; + groupIds.push("__barchartLeft"); + } + if (barCombinedDataRight.length > 0) { + // sort by time and by group + barCombinedDataRight.sort(function (a, b) { + if (a.x == b.x) { + return a.groupId - b.groupId; + } else { + return a.x - b.x; + } + }); + intersections = {}; + this._getDataIntersections(intersections, barCombinedDataRight); + groupRanges["__barchartRight"] = this._getStackedBarYRange(intersections, barCombinedDataRight); + groupRanges["__barchartRight"].yAxisOrientation = "right"; + groupIds.push("__barchartRight"); + } + } }; - exports['nl_NL'] = exports['nl']; - exports['nl_BE'] = exports['nl']; - - -/***/ }, -/* 49 */ -/***/ 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']; + LineGraph.prototype._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; + } + } - // 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.' + return {min: yMin, max: yMax}; }; - exports['nl_NL'] = exports['nl']; - exports['nl_BE'] = exports['nl']; -/***/ }, -/* 50 */ -/***/ function(module, exports, __webpack_require__) { - /** - * Canvas shapes used by Network + * 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 */ - 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(); + 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) { + 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; - for (var n = 0; n < 10; n++) { - var radius = (n % 2 === 0) ? r * 1.3 : r * 0.5; - this.lineTo( - x + radius * Math.sin(n * 2 * Math.PI / 10), - y - radius * Math.cos(n * 2 * Math.PI / 10) - ); + if (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; + } + } + } } - this.closePath(); - }; - - /** - * http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas - */ - CanvasRenderingContext2D.prototype.roundRect = function(x, y, w, h, r) { - var r2d = Math.PI/180; - if( w - ( 2 * r ) < 0 ) { r = ( w / 2 ); } //ensure that the radius isn't too large for x - if( h - ( 2 * r ) < 0 ) { r = ( h / 2 ); } //ensure that the radius isn't too large for y - this.beginPath(); - this.moveTo(x+r,y); - this.lineTo(x+w-r,y); - this.arc(x+w-r,y+r,r,r2d*270,r2d*360,false); - this.lineTo(x+w,y+h-r); - this.arc(x+w-r,y+h-r,r,0,r2d*90,false); - this.lineTo(x+r,y+h); - this.arc(x+r,y+h-r,r,r2d*90,r2d*180,false); - this.lineTo(x,y+r); - this.arc(x+r,y+r,r,r2d*180,r2d*270,false); - }; - - /** - * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas - */ - CanvasRenderingContext2D.prototype.ellipse = function(x, y, w, h) { - var kappa = .5522848, - ox = (w / 2) * kappa, // control point offset horizontal - oy = (h / 2) * kappa, // control point offset vertical - xe = x + w, // x-end - ye = y + h, // y-end - xm = x + w / 2, // x-middle - ym = y + h / 2; // y-middle - - this.beginPath(); - this.moveTo(x, ym); - this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); - this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); - this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); - this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); - }; - - - - /** - * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas - */ - CanvasRenderingContext2D.prototype.database = function(x, y, w, h) { - var f = 1/3; - var wEllipse = w; - var hEllipse = h * f; - - var kappa = .5522848, - ox = (wEllipse / 2) * kappa, // control point offset horizontal - oy = (hEllipse / 2) * kappa, // control point offset vertical - xe = x + wEllipse, // x-end - ye = y + hEllipse, // y-end - xm = x + wEllipse / 2, // x-middle - ym = y + hEllipse / 2, // y-middle - ymb = y + (h - hEllipse/2), // y-midlle, bottom ellipse - yeb = y + h; // y-end, bottom ellipse - - this.beginPath(); - this.moveTo(xe, ym); - - this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); - this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); - - this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); - this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); - - this.lineTo(xe, ymb); - - this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb); - this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb); - - this.lineTo(x, ym); - }; - - - /** - * Draw an arrow point (no line) - */ - CanvasRenderingContext2D.prototype.arrow = function(x, y, angle, length) { - // tail - var xt = x - length * Math.cos(angle); - var yt = y - length * Math.sin(angle); - - // inner tail - // TODO: allow to customize different shapes - var xi = x - length * 0.9 * Math.cos(angle); - var yi = y - length * 0.9 * Math.sin(angle); - - // left - var xl = xt + length / 3 * Math.cos(angle + 0.5 * Math.PI); - var yl = yt + length / 3 * Math.sin(angle + 0.5 * Math.PI); + if (yAxisLeftUsed == true) { + this.yAxisLeft.setRange(minLeft, maxLeft); + } + if (yAxisRightUsed == true) { + this.yAxisRight.setRange(minRight, maxRight); + } + } - // 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); + changeCalled = this._toggleAxisVisiblity(yAxisLeftUsed , this.yAxisLeft) || changeCalled; + changeCalled = this._toggleAxisVisiblity(yAxisRightUsed, this.yAxisRight) || changeCalled; - this.beginPath(); - this.moveTo(x, y); - this.lineTo(xl, yl); - this.lineTo(xi, yi); - this.lineTo(xr, yr); - this.closePath(); - }; + if (yAxisRightUsed == true && yAxisLeftUsed == true) { + this.yAxisLeft.drawIcons = true; + this.yAxisRight.drawIcons = true; + } + else { + this.yAxisLeft.drawIcons = false; + this.yAxisRight.drawIcons = false; + } - /** - * Sets up the dashedLine functionality for drawing - * Original code came from http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas - * @author David Jordan - * @date 2012-08-08 - */ - CanvasRenderingContext2D.prototype.dashedLine = function(x,y,x2,y2,dashArray){ - if (!dashArray) dashArray=[10,5]; - if (dashLength==0) dashLength = 0.001; // Hack for Safari - var dashCount = dashArray.length; - this.moveTo(x, y); - var dx = (x2-x), dy = (y2-y); - var slope = dy/dx; - var distRemaining = Math.sqrt( dx*dx + dy*dy ); - var dashIndex=0, draw=true; - while (distRemaining>=0.1){ - var dashLength = dashArray[dashIndex++%dashCount]; - if (dashLength > distRemaining) dashLength = distRemaining; - var xStep = Math.sqrt( dashLength*dashLength / (1 + slope*slope) ); - if (dx<0) xStep = -xStep; - x += xStep; - y += slope*xStep; - this[draw ? 'lineTo' : 'moveTo'](x,y); - distRemaining -= dashLength; - draw = !draw; - } - }; + this.yAxisRight.master = !yAxisLeftUsed; - // TODO: add diamond shape - } + 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; + changeCalled = this.yAxisRight.redraw() || changeCalled; + } + else { + changeCalled = this.yAxisRight.redraw() || changeCalled; + } -/***/ }, -/* 51 */ -/***/ function(module, exports, __webpack_require__) { + // 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); + } - var PhysicsMixin = __webpack_require__(63); - var ClusterMixin = __webpack_require__(57); - var SectorsMixin = __webpack_require__(58); - var SelectionMixin = __webpack_require__(59); - var ManipulationMixin = __webpack_require__(60); - var NavigationMixin = __webpack_require__(61); - var HierarchicalLayoutMixin = __webpack_require__(62); + return changeCalled; + }; /** - * Load a mixin into the network object + * This shows or hides the Y axis if needed. If there is a change, the changed event is emitted by the updateYAxis function * - * @param {Object} sourceVariable | this object has to contain functions. + * @param {boolean} axisUsed + * @returns {boolean} * @private + * @param axis */ - exports._loadMixin = function (sourceVariable) { - for (var mixinFunction in sourceVariable) { - if (sourceVariable.hasOwnProperty(mixinFunction)) { - this[mixinFunction] = sourceVariable[mixinFunction]; + LineGraph.prototype._toggleAxisVisiblity = function (axisUsed, axis) { + var changed = false; + if (axisUsed == false) { + if (axis.dom.frame.parentNode) { + axis.hide(); + changed = true; } } + else { + if (!axis.dom.frame.parentNode) { + axis.show(); + changed = true; + } + } + return changed; }; /** - * removes a mixin from the network object. + * draw a bar graph * - * @param {Object} sourceVariable | this object has to contain functions. - * @private + * @param groupIds + * @param processedGroupData */ - exports._clearMixin = function (sourceVariable) { - for (var mixinFunction in sourceVariable) { - if (sourceVariable.hasOwnProperty(mixinFunction)) { - this[mixinFunction] = undefined; + LineGraph.prototype._drawBarGraphs = function (groupIds, processedGroupData) { + 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 = this.groups[groupIds[i]]; + if (group.options.style == 'bar') { + if (group.visible == true && (this.options.groups.visibility[groupIds[i]] === undefined || this.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;} - /** - * Mixin the physics system and initialize the parameters required. - * - * @private - */ - exports._loadPhysicsSystem = function () { - this._loadMixin(PhysicsMixin); - this._loadSelectedForceSolver(); - if (this.constants.configurePhysics == true) { - this._loadPhysicsConfiguration(); - } - }; + // 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 + this._getDataIntersections(intersections, combinedData); - /** - * Mixin the cluster system and initialize the parameters required. - * - * @private - */ - exports._loadClusterSystem = function () { - this.clusterSession = 0; - this.hubThreshold = 5; - this._loadMixin(ClusterMixin); - }; + // plot barchart + for (i = 0; i < combinedData.length; i++) { + group = this.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 = this._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 = this._getSafeDrawData(coreDistance, group, minWidth); + intersections[key].resolved += 1; - /** - * Mixin the sector system and initialize the parameters required - * - * @private - */ - exports._loadSectorSystem = function () { - this.sectors = {}; - this.activeSector = ["default"]; - this.sectors["active"] = {}; - this.sectors["active"]["default"] = {"nodes": {}, - "edges": {}, - "nodeIndices": [], - "formationScale": 1.0, - "drawingNode": undefined }; - this.sectors["frozen"] = {}; - this.sectors["support"] = {"nodes": {}, - "edges": {}, - "nodeIndices": [], - "formationScale": 1.0, - "drawingNode": undefined }; - - this.nodeIndices = this.sectors["active"]["default"]["nodeIndices"]; // the node indices list is used to speed up the computation of the repulsion fields - - this._loadMixin(SectorsMixin); + 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', this.svgElements, this.svg); + // draw points + if (group.options.drawPoints.enabled == true) { + DOMutil.drawPoint(combinedData[i].x + drawData.offset, combinedData[i].y - heightOffset, group, this.svgElements, this.svg); + } + } }; + /** + * Fill the intersections object with counters of how many datapoints share the same x coordinates + * @param intersections + * @param combinedData + * @private + */ + LineGraph.prototype._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; + } + } + }; /** - * Mixin the selection system and initialize the parameters required + * 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 */ - exports._loadSelectionSystem = function () { - this.selectionObj = {nodes: {}, edges: {}}; + LineGraph.prototype._getSafeDrawData = function (coreDistance, group, minWidth) { + var width, offset; + if (coreDistance < group.options.barChart.width && coreDistance > 0) { + width = coreDistance < minWidth ? minWidth : coreDistance; - this._loadMixin(SelectionMixin); + 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 { + // 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; + } + } + + return {width: width, offset: offset}; }; /** - * Mixin the navigationUI (User Interface) system and initialize the parameters required + * draw a line graph * - * @private + * @param dataset + * @param group */ - exports._loadManipulationSystem = function () { - // reset global variables -- these are used by the selection of nodes and edges. - this.blockConnectingEdgeSelection = false; - this.forceAppendSelection = false; + LineGraph.prototype._drawLineGraph = function (dataset, group) { + if (dataset != null) { + if (dataset.length > 0) { + var path, d; + var svgHeight = Number(this.svg.style.height.replace("px","")); + path = DOMutil.getSVGElement('path', this.svgElements, this.svg); + path.setAttributeNS(null, "class", group.className); - 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'; - this.manipulationDiv.id = 'network-manipulationDiv'; - if (this.editMode == true) { - this.manipulationDiv.style.display = "block"; + // construct path from dataset + if (group.options.catmullRom.enabled == true) { + d = this._catmullRom(dataset, group); } else { - this.manipulationDiv.style.display = "none"; + d = this._linear(dataset); } - this.frame.appendChild(this.manipulationDiv); - } - if (this.editModeDiv === undefined) { - this.editModeDiv = document.createElement('div'); - this.editModeDiv.className = 'network-manipulation-editMode'; - this.editModeDiv.id = 'network-manipulation-editMode'; - if (this.editMode == true) { - this.editModeDiv.style.display = "none"; - } - else { - this.editModeDiv.style.display = "block"; + // append with points for fill and finalize the path + if (group.options.shaded.enabled == true) { + var fillPath = DOMutil.getSVGElement('path',this.svgElements, this.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"); + fillPath.setAttributeNS(null, "d", dFill); } - this.frame.appendChild(this.editModeDiv); - } + // copy properties to path for drawing. + path.setAttributeNS(null, "d", "M" + d); - if (this.closeDiv === undefined) { - this.closeDiv = document.createElement('div'); - this.closeDiv.className = 'network-manipulation-closeDiv'; - this.closeDiv.id = 'network-manipulation-closeDiv'; - this.closeDiv.style.display = this.manipulationDiv.style.display; - this.frame.appendChild(this.closeDiv); + // draw points + if (group.options.drawPoints.enabled == true) { + this._drawPoints(dataset, group, this.svgElements, this.svg); + } } - - // load the manipulation functions - this._loadMixin(ManipulationMixin); - - // create the manipulator toolbar - this._createManipulatorBar(); } - else { - if (this.manipulationDiv !== undefined) { - // removes all the bindings and overloads - this._createManipulatorBar(); - - // 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); - } + /** + * draw the data points + * + * @param {Array} dataset + * @param {Object} JSONcontainer + * @param {Object} svg | SVG DOM element + * @param {GraphGroup} group + * @param {Number} [offset] + */ + LineGraph.prototype._drawPoints = function (dataset, group, JSONcontainer, svg, offset) { + if (offset === undefined) {offset = 0;} + for (var i = 0; i < dataset.length; i++) { + DOMutil.drawPoint(dataset[i].x + offset, dataset[i].y, group, JSONcontainer, svg); } }; + /** - * Mixin the navigation (User Interface) system and initialize the parameters required + * 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 */ - 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(); + LineGraph.prototype._convertXcoordinates = function (datapoints) { + var extractedData = []; + var xValue, yValue; + var toScreen = this.body.util.toScreen; + + for (var i = 0; i < datapoints.length; i++) { + xValue = toScreen(datapoints[i].x) + this.width; + yValue = datapoints[i].y; + extractedData.push({x: xValue, y: yValue}); } + + return extractedData; }; + /** - * Mixin the hierarchical layout system. + * 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 */ - exports._loadHierarchySystem = function () { - this._loadMixin(HierarchicalLayoutMixin); - }; + 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.width; + yValue = Math.round(axis.convertValue(datapoints[i].y)); + extractedData.push({x: xValue, y: yValue}); + } -/***/ }, -/* 52 */ -/***/ function(module, exports, __webpack_require__) { + group.setZeroPosition(Math.min(svgHeight, axis.convertValue(0))); - var mousetrap = __webpack_require__(54); - var Emitter = __webpack_require__(53); - var Hammer = __webpack_require__(45); - var util = __webpack_require__(1); + return extractedData; + }; /** - * 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 + * 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 */ - 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); + LineGraph.prototype._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++) { - this.hammer = Hammer(this.dom.overlay, {prevent_default: false}); - this.hammer.on('tap', this._onTapOverlay.bind(this)); + p0 = (i == 0) ? data[0] : data[i-1]; + p1 = data[i]; + p2 = data[i+1]; + p3 = (i + 2 < length) ? data[i+2] : p2; - // 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(); - } - }); + // 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 - // mousetrap listener only bounded when active) - this.escListener = this.deactivate.bind(this); - } + // 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 }; - // turn into an event emitter - Emitter(Activator.prototype); + d += "C" + + bp1.x + "," + + bp1.y + " " + + bp2.x + "," + + bp2.y + " " + + p2.x + "," + + p2.y + " "; + } - // The currently active activator - Activator.current = null; + return d; + }; /** - * Destroy the activator. Cleans up all created DOM and event listeners + * 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 + * @returns {string} + * @private */ - Activator.prototype.destroy = function () { - this.deactivate(); + LineGraph.prototype._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++) { - // remove dom - this.dom.overlay.parentNode.removeChild(this.dom.overlay); + p0 = (i == 0) ? data[0] : data[i-1]; + p1 = data[i]; + p2 = data[i+1]; + p3 = (i + 2 < length) ? data[i+2] : p2; - // cleanup hammer instances - this.hammer = null; - this.windowHammer = null; - // FIXME: cleaning up hammer instances doesn't work (Timeline not removed from memory) - }; + 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)); - /** - * Activate the element - * Overlay is hidden, element is decorated with a blue shadow border - */ - Activator.prototype.activate = function () { - // we allow only one active activator at a time - if (Activator.current) { - Activator.current.deactivate(); - } - Activator.current = this; + // Catmull-Rom to Cubic Bezier conversion matrix + // + // A = 2d1^2a + 3d1^a * d2^a + d3^2a + // B = 2d3^2a + 3d3^a * d2^a + d2^2a + // + // [ 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 ] - this.active = true; - this.dom.overlay.style.display = 'none'; - util.addClassName(this.dom.container, 'vis-active'); + // [ 0 1 0 0 ] + // [ -d2pow2a/N A/N d1pow2a/N 0 ] + // [ 0 d3pow2a/M B/M -d2pow2a/M ] + // [ 0 0 1 0 ] - this.emit('change'); - this.emit('activate'); + 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); - // ugly hack: bind ESC after emitting the events, as the Network rebinds all - // keyboard events on a 'change' event - mousetrap.bind('esc', this.escListener); - }; + 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;} - /** - * Deactivate the element - * Overlay is displayed on top of the element - */ - Activator.prototype.deactivate = function () { - this.active = false; - this.dom.overlay.style.display = ''; - util.removeClassName(this.dom.container, 'vis-active'); - mousetrap.unbind('esc', this.escListener); + bp1 = { x: ((-d2pow2A * p0.x + A*p1.x + d1pow2A * p2.x) * N), + y: ((-d2pow2A * p0.y + A*p1.y + d1pow2A * p2.y) * N)}; - this.emit('change'); - this.emit('deactivate'); - }; + bp2 = { x: (( d3pow2A * p1.x + B*p2.x - d2pow2A * p3.x) * M), + y: (( d3pow2A * p1.y + B*p2.y - d2pow2A * p3.y) * M)}; - /** - * Handle a tap event: activate the container - * @param event - * @private - */ - Activator.prototype._onTapOverlay = function (event) { - // activate the container - this.activate(); - event.stopPropagation(); + 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 + " "; + } + + return d; + } }; /** - * 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. + * this generates the SVG path for a linear drawing between datapoints. + * @param data + * @returns {string} * @private */ - function _hasParent(element, parent) { - while (element) { - if (element === parent) { - return true + LineGraph.prototype._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; } - element = element.parentNode; } - return false; - } + return d; + }; - module.exports = Activator; + module.exports = LineGraph; /***/ }, -/* 53 */ +/* 44 */ /***/ function(module, exports, __webpack_require__) { - - /** - * Expose `Emitter`. - */ - - module.exports = Emitter; + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); + var Component = __webpack_require__(23); + var DataStep = __webpack_require__(45); /** - * Initialize a new `Emitter`. - * - * @api public + * 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; - function Emitter(obj) { - if (obj) return mixin(obj); - }; - - /** - * Mixin the emitter properties. - * - * @param {Object} obj - * @return {Object} - * @api private - */ + this.defaultOptions = { + orientation: 'left', // supported: 'left', 'right' + showMinorLabels: true, + showMajorLabels: true, + icons: true, + majorLinesOffset: 7, + minorLinesOffset: 4, + labelOffsetX: 10, + labelOffsetY: 2, + iconWidth: 20, + width: '40px', + visible: true, + customRange: { + left: {min:undefined, max:undefined}, + right: {min:undefined, max:undefined} + } + }; - function mixin(obj) { - for (var key in Emitter.prototype) { - obj[key] = Emitter.prototype[key]; - } - return obj; - } + this.linegraphOptions = linegraphOptions; + this.linegraphSVG = svg; + this.props = {}; + this.DOMelements = { // dynamic elements + lines: {}, + labels: {} + }; - /** - * Listen on the given `event` with `fn`. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ + this.dom = {}; - Emitter.prototype.on = - Emitter.prototype.addEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - (this._callbacks[event] = this._callbacks[event] || []) - .push(fn); - return this; - }; + this.range = {start:0, end:0}; - /** - * Adds an `event` listener that will be invoked a single - * time then automatically removed. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ + this.options = util.extend({}, this.defaultOptions); + this.conversionFactor = 1; - Emitter.prototype.once = function(event, fn){ - var self = this; - this._callbacks = this._callbacks || {}; + this.setOptions(options); + this.width = Number(('' + this.options.width).replace("px","")); + this.minWidth = this.width; + this.height = this.linegraphSVG.offsetHeight; - function on() { - self.off(event, on); - fn.apply(this, arguments); - } + this.stepPixels = 25; + this.stepPixelsForced = 25; + this.lineOffset = 0; + this.master = true; + this.svgElements = {}; - on.fn = fn; - this.on(event, on); - return this; - }; - /** - * Remove the given callback for `event` or all - * registered callbacks. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ + this.groups = {}; + this.amountOfGroups = 0; - Emitter.prototype.off = - Emitter.prototype.removeListener = - Emitter.prototype.removeAllListeners = - Emitter.prototype.removeEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; + // create the HTML DOM + this._create(); + } - // all - if (0 == arguments.length) { - this._callbacks = {}; - return this; + DataAxis.prototype = new Component(); + + + + DataAxis.prototype.addGroup = function(label, graphOptions) { + if (!this.groups.hasOwnProperty(label)) { + this.groups[label] = graphOptions; } + this.amountOfGroups += 1; + }; - // specific event - var callbacks = this._callbacks[event]; - if (!callbacks) return this; + DataAxis.prototype.updateGroup = function(label, graphOptions) { + this.groups[label] = graphOptions; + }; - // remove all handlers - if (1 == arguments.length) { - delete this._callbacks[event]; - return this; + DataAxis.prototype.removeGroup = function(label) { + if (this.groups.hasOwnProperty(label)) { + delete this.groups[label]; + this.amountOfGroups -= 1; } + }; - // 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; + + DataAxis.prototype.setOptions = function (options) { + if (options) { + var redraw = false; + if (this.options.orientation != options.orientation && options.orientation !== undefined) { + redraw = true; + } + var fields = [ + 'orientation', + 'showMinorLabels', + 'showMajorLabels', + 'icons', + 'majorLinesOffset', + 'minorLinesOffset', + 'labelOffsetX', + 'labelOffsetY', + 'iconWidth', + 'width', + 'visible', + 'customRange' + ]; + util.selectiveExtend(fields, this.options, options); + + this.minWidth = Number(('' + this.options.width).replace("px","")); + + if (redraw == true && this.dom.frame) { + this.hide(); + this.show(); } } - return this; }; + /** - * Emit `event` with the given args. - * - * @param {String} event - * @param {Mixed} ... - * @return {Emitter} + * 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; - Emitter.prototype.emit = function(event){ - this._callbacks = this._callbacks || {}; - var args = [].slice.call(arguments, 1) - , callbacks = this._callbacks[event]; + this.dom.lineContainer = document.createElement('div'); + this.dom.lineContainer.style.width = '100%'; + this.dom.lineContainer.style.height = this.height; - if (callbacks) { - callbacks = callbacks.slice(0); - for (var i = 0, len = callbacks.length; i < len; ++i) { - callbacks[i].apply(this, args); + // create svg element for graph drawing. + this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); + this.svg.style.position = "absolute"; + this.svg.style.top = '0px'; + this.svg.style.height = '100%'; + this.svg.style.width = '100%'; + this.svg.style.display = "block"; + this.dom.frame.appendChild(this.svg); + }; + + DataAxis.prototype._redrawGroupIcons = function () { + DOMutil.prepareElements(this.svgElements); + + var x; + var iconWidth = this.options.iconWidth; + var iconHeight = 15; + var iconOffset = 4; + var y = iconOffset + 0.5 * iconHeight; + + if (this.options.orientation == 'left') { + x = iconOffset; + } + else { + x = this.width - iconWidth - iconOffset; + } + + 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; + } } } - return this; + DOMutil.cleanupElements(this.svgElements); }; /** - * Return array of callbacks for `event`. - * - * @param {String} event - * @return {Array} - * @api public + * Create the HTML DOM for the DataAxis */ + DataAxis.prototype.show = function() { + 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); + } + } - Emitter.prototype.listeners = function(event){ - this._callbacks = this._callbacks || {}; - return this._callbacks[event] || []; + if (!this.dom.lineContainer.parentNode) { + this.body.dom.backgroundHorizontal.appendChild(this.dom.lineContainer); + } }; /** - * Check if this emitter has `event` handlers. - * - * @param {String} event - * @return {Boolean} - * @api public + * Create the HTML DOM for the DataAxis */ + DataAxis.prototype.hide = function() { + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); + } - Emitter.prototype.hasListeners = function(event){ - return !! this.listeners(event).length; + if (this.dom.lineContainer.parentNode) { + this.dom.lineContainer.parentNode.removeChild(this.dom.lineContainer); + } }; - -/***/ }, -/* 54 */ -/***/ function(module, exports, __webpack_require__) { + /** + * Set a range (start and end) + * @param end + * @param start + * @param end + */ + DataAxis.prototype.setRange = function (start, end) { + this.range.start = start; + this.range.end = end; + }; /** - * Copyright 2012 Craig Campbell - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * Mousetrap is a simple keyboard shortcut library for Javascript with - * no external dependencies - * - * @version 1.1.2 - * @url craig.is/killing/mice + * Repaint the component + * @return {boolean} Returns true if the component is resized */ + DataAxis.prototype.redraw = function () { + var changeCalled = false; + 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++; + } + } + } + if (this.amountOfGroups == 0 || activeGroups == 0) { + this.hide(); + } + else { + this.show(); + this.height = Number(this.linegraphSVG.style.height.replace("px","")); + // svg offsetheight did not work in firefox and explorer... - /** - * mapping of special keycodes to their corresponding keys - * - * everything in this dictionary cannot use keypress events - * so it has to be here to map to the correct keycodes for - * keyup/keydown events - * - * @type {Object} - */ - var _MAP = { - 8: 'backspace', - 9: 'tab', - 13: 'enter', - 16: 'shift', - 17: 'ctrl', - 18: 'alt', - 20: 'capslock', - 27: 'esc', - 32: 'space', - 33: 'pageup', - 34: 'pagedown', - 35: 'end', - 36: 'home', - 37: 'left', - 38: 'up', - 39: 'right', - 40: 'down', - 45: 'ins', - 46: 'del', - 91: 'meta', - 93: 'meta', - 224: 'meta' - }, + this.dom.lineContainer.style.height = this.height + 'px'; + this.width = this.options.visible == true ? Number(('' + this.options.width).replace("px","")) : 0; - /** - * mapping for special characters so they can support - * - * this dictionary is only used incase you want to bind a - * keyup or keydown event to one of these keys - * - * @type {Object} - */ - _KEYCODE_MAP = { - 106: '*', - 107: '+', - 109: '-', - 110: '.', - 111 : '/', - 186: ';', - 187: '=', - 188: ',', - 189: '-', - 190: '.', - 191: '/', - 192: '`', - 219: '[', - 220: '\\', - 221: ']', - 222: '\'' - }, + var props = this.props; + var frame = this.dom.frame; - /** - * this is a mapping of keys that require shift on a US keypad - * back to the non shift equivelents - * - * this is so you can use keyup events with these keys - * - * note that this will only work reliably on US keyboards - * - * @type {Object} - */ - _SHIFT_MAP = { - '~': '`', - '!': '1', - '@': '2', - '#': '3', - '$': '4', - '%': '5', - '^': '6', - '&': '7', - '*': '8', - '(': '9', - ')': '0', - '_': '-', - '+': '=', - ':': ';', - '\"': '\'', - '<': ',', - '>': '.', - '?': '/', - '|': '\\' - }, + // update classname + frame.className = 'dataaxis'; - /** - * this is a list of special strings you can use to map - * to modifier keys when you specify your keyboard shortcuts - * - * @type {Object} - */ - _SPECIAL_ALIASES = { - 'option': 'alt', - 'command': 'meta', - 'return': 'enter', - 'escape': 'esc' - }, + // calculate character width and height + this._calculateCharSize(); - /** - * variable to store the flipped version of _MAP from above - * needed to check if we should use keypress or not when no action - * is specified - * - * @type {Object|undefined} - */ - _REVERSE_MAP, + var orientation = this.options.orientation; + var showMinorLabels = this.options.showMinorLabels; + var showMajorLabels = this.options.showMajorLabels; - /** - * a list of all the callbacks setup via Mousetrap.bind() - * - * @type {Object} - */ - _callbacks = {}, + // determine the width and height of the elemens for the axis + props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; + props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; - /** - * direct map of string combinations to callbacks used for trigger() - * - * @type {Object} - */ - _direct_map = {}, + 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; - /** - * keeps track of what level each sequence is at since multiple - * sequences can start out with the same sequence - * - * @type {Object} - */ - _sequence_levels = {}, + // take frame offline while updating (is almost twice as fast) + if (orientation == 'left') { + frame.style.top = '0'; + frame.style.left = '0'; + frame.style.bottom = ''; + frame.style.width = this.width + 'px'; + frame.style.height = this.height + "px"; + } + else { // right + frame.style.top = ''; + frame.style.bottom = '0'; + frame.style.left = '0'; + frame.style.width = this.width + 'px'; + frame.style.height = this.height + "px"; + } + changeCalled = this._redrawLabels(); + if (this.options.icons == true) { + this._redrawGroupIcons(); + } + } + return changeCalled; + }; - /** - * variable to store the setTimeout call - * - * @type {null|number} - */ - _reset_timer, + /** + * 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); - /** - * temporary state where we will ignore the next keyup - * - * @type {boolean|string} - */ - _ignore_next_keyup = false, + var orientation = this.options['orientation']; - /** - * are we currently inside of a sequence? - * type of action ("keyup" or "keydown" or "keypress") or false - * - * @type {boolean|string} - */ - _inside_sequence = false; + // 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; - /** - * loop through the f keys, f1 to f19 and add them to the map - * programatically - */ - for (var i = 1; i < 20; ++i) { - _MAP[111 + i] = 'f' + i; - } + var step = new DataStep(this.range.start, this.range.end, minimumStep, this.dom.frame.offsetHeight, this.options.customRange[this.options.orientation]); + this.step = step; + // get the distance in pixels for a step + // dead space is space that is "left over" after a step + var stepPixels = (this.dom.frame.offsetHeight - (step.deadSpace * (this.dom.frame.offsetHeight / step.marginRange))) / (((step.marginRange - step.deadSpace) / step.step)); + this.stepPixels = stepPixels; - /** - * loop through to map numbers on the numeric keypad - */ - for (i = 0; i <= 9; ++i) { - _MAP[i + 96] = i; + var amountOfSteps = this.height / stepPixels; + var stepDifference = 0; + + 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; + } + else { + amountOfSteps += 0.25; } - /** - * cross browser add event method - * - * @param {Element|HTMLDocument} object - * @param {string} type - * @param {Function} callback - * @returns void - */ - function _addEvent(object, type, callback) { - if (object.addEventListener) { - return object.addEventListener(type, callback, false); - } - object.attachEvent('on' + type, callback); - } + this.valueAtZero = step.marginEnd; + var marginStartPos = 0; - /** - * takes the event and returns the key character - * - * @param {Event} e - * @return {string} - */ - function _characterFromEvent(e) { + // do not draw the first label + var max = 1; - // for keypress events we should return the character as is - if (e.type == 'keypress') { - return String.fromCharCode(e.which); - } + 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 non keypress events the special maps are needed - if (_MAP[e.which]) { - return _MAP[e.which]; - } + if (this.options['showMinorLabels'] && isMajor == false || this.master == false && this.options['showMinorLabels'] == true) { + this._redrawLabel(y - 2, step.getCurrent(), orientation, 'yAxis minor', this.props.minorCharHeight); + } - if (_KEYCODE_MAP[e.which]) { - return _KEYCODE_MAP[e.which]; + 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(), orientation, 'yAxis major', this.props.majorCharHeight); } + this._redrawLine(y, orientation, 'grid horizontal major', this.options.majorLinesOffset, this.props.majorLineWidth); + } + else { + this._redrawLine(y, orientation, 'grid horizontal minor', this.options.minorLinesOffset, this.props.minorLineWidth); + } - // if it is not in the special map - return String.fromCharCode(e.which).toLowerCase(); + max++; } - /** - * should we stop this event before firing off callbacks - * - * @param {Event} e - * @return {boolean} - */ - function _stop(e) { - var element = e.target || e.srcElement, - tag_name = element.tagName; - - // if the element has the class "mousetrap" then no need to stop - if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) { - return false; - } - - // stop for input, select, and textarea - return tag_name == 'INPUT' || tag_name == 'SELECT' || tag_name == 'TEXTAREA' || (element.contentEditable && element.contentEditable == 'true'); + if (this.master == false) { + this.conversionFactor = y / (this.valueAtZero - step.current); + } + else { + this.conversionFactor = this.dom.frame.offsetHeight / step.marginRange; } - /** - * checks if two arrays are equal - * - * @param {Array} modifiers1 - * @param {Array} modifiers2 - * @returns {boolean} - */ - function _modifiersMatch(modifiers1, modifiers2) { - return modifiers1.sort().join(',') === modifiers2.sort().join(','); + var offset = this.options.icons == true ? this.options.iconWidth + this.options.labelOffsetX + 15 : this.options.labelOffsetX + 15; + // this will resize the yAxis to accomodate 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; } + }; - /** - * resets all sequence counters except for the ones passed in - * - * @param {Object} do_not_reset - * @returns void - */ - function _resetSequences(do_not_reset) { - do_not_reset = do_not_reset || {}; + DataAxis.prototype.convertValue = function (value) { + var invertedValue = this.valueAtZero - value; + var convertedValue = invertedValue * this.conversionFactor; + return convertedValue; + }; - var active_sequences = false, - key; + /** + * 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"; + } - for (key in _sequence_levels) { - if (do_not_reset[key]) { - active_sequences = true; - continue; - } - _sequence_levels[key] = 0; - } + label.style.top = y - 0.5 * characterHeight + this.options.labelOffsetY + 'px'; - if (!active_sequences) { - _inside_sequence = false; - } + text += ''; + + var largestWidth = Math.max(this.props.majorCharWidth,this.props.minorCharWidth); + if (this.maxLabelSize < text.length * largestWidth) { + this.maxLabelSize = text.length * largestWidth; } + }; - /** - * finds all callbacks that match based on the keycode, modifiers, - * and action - * - * @param {string} character - * @param {Array} modifiers - * @param {string} action - * @param {boolean=} remove - should we remove any matches - * @param {string=} combination - * @returns {Array} - */ - function _getMatches(character, modifiers, action, remove, combination) { - var i, - callback, - matches = []; + /** + * 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 = ''; - // if there are no events related to this keycode - if (!_callbacks[character]) { - return []; - } + if (orientation == 'left') { + line.style.left = (this.width - offset) + 'px'; + } + else { + line.style.right = (this.width - offset) + 'px'; + } - // if a modifier key is coming up on its own we should allow it - if (action == 'keyup' && _isModifier(character)) { - modifiers = [character]; - } + line.style.width = width + 'px'; + line.style.top = y + 'px'; + } + }; - // loop through all callbacks for the key that was pressed - // and see if any of them match - for (i = 0; i < _callbacks[character].length; ++i) { - callback = _callbacks[character][i]; - // if this is a sequence but it is not at the right level - // then move onto the next match - if (callback.seq && _sequence_levels[callback.seq] != callback.level) { - continue; - } - // if the action we are looking for doesn't match the action we got - // then we should keep going - if (action != callback.action) { - continue; - } - // if this is a keypress event that means that we need to only - // look at the character, otherwise check the modifiers as - // well - if (action == 'keypress' || _modifiersMatch(modifiers, callback.modifiers)) { - // remove is used so if you change your mind and call bind a - // second time with a new function the first one is overwritten - if (remove && callback.combo == combination) { - _callbacks[character].splice(i, 1); - } + /** + * 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); - matches.push(callback); - } - } + this.props.minorCharHeight = measureCharMinor.clientHeight; + this.props.minorCharWidth = measureCharMinor.clientWidth; - return matches; + this.dom.frame.removeChild(measureCharMinor); } - /** - * takes a key event and figures out what the modifiers are - * - * @param {Event} e - * @returns {Array} - */ - function _eventModifiers(e) { - var modifiers = []; + 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); - if (e.shiftKey) { - modifiers.push('shift'); - } + this.props.majorCharHeight = measureCharMajor.clientHeight; + this.props.majorCharWidth = measureCharMajor.clientWidth; - if (e.altKey) { - modifiers.push('alt'); - } + this.dom.frame.removeChild(measureCharMajor); + } + }; - if (e.ctrlKey) { - modifiers.push('ctrl'); - } + /** + * 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); + }; - if (e.metaKey) { - modifiers.push('meta'); - } + module.exports = DataAxis; - return modifiers; - } - /** - * actually calls the callback function - * - * if your callback function returns false this will use the jquery - * convention - prevent default and stop propogation on the event - * - * @param {Function} callback - * @param {Event} e - * @returns void - */ - function _fireCallback(callback, e) { - if (callback(e) === false) { - if (e.preventDefault) { - e.preventDefault(); - } +/***/ }, +/* 45 */ +/***/ function(module, exports, __webpack_require__) { - if (e.stopPropagation) { - e.stopPropagation(); - } + /** + * @constructor DataStep + * The class DataStep is an iterator for data for the lineGraph. You provide a start data point and an + * end data point. The class itself determines the best scale (step size) based on the + * provided start Date, end Date, and minimumStep. + * + * If minimumStep is provided, the step size is chosen as close as possible + * to the minimumStep but larger than minimumStep. If minimumStep is not + * provided, the scale is set to 1 DAY. + * The minimumStep should correspond with the onscreen size of about 6 characters + * + * Alternatively, you can set a scale by hand. + * After creation, you can initialize the class by executing first(). Then you + * can iterate from the start date to the end date via next(). You can check if + * the end date is reached with the function hasNext(). After each step, you can + * retrieve the current date via getCurrent(). + * The DataStep has scales ranging from milliseconds, seconds, minutes, hours, + * days, to years. + * + * Version: 1.2 + * + * @param {Date} [start] The start date, for example new Date(2010, 9, 21) + * or new Date(2010, 9, 21, 23, 45, 00) + * @param {Date} [end] The end date + * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds + */ + function DataStep(start, end, minimumStep, containerHeight, customRange) { + // variables + this.current = 0; - e.returnValue = false; - e.cancelBubble = true; - } - } + this.autoScale = true; + this.stepIndex = 0; + this.step = 1; + this.scale = 1; - /** - * handles a character key event - * - * @param {string} character - * @param {Event} e - * @returns void - */ - function _handleCharacter(character, e) { + this.marginStart; + this.marginEnd; + this.deadSpace = 0; - // if this event should not happen stop here - if (_stop(e)) { - return; - } + this.majorSteps = [1, 2, 5, 10]; + this.minorSteps = [0.25, 0.5, 1, 2]; - var callbacks = _getMatches(character, _eventModifiers(e), e.type), - i, - do_not_reset = {}, - processed_sequence_callback = false; + this.setRange(start, end, minimumStep, containerHeight, customRange); + } - // loop through matching callbacks for this key event - for (i = 0; i < callbacks.length; ++i) { - // fire for all sequence callbacks - // this is because if for example you have multiple sequences - // bound such as "g i" and "g t" they both need to fire the - // callback for matching g cause otherwise you can only ever - // match the first one - if (callbacks[i].seq) { - processed_sequence_callback = true; - // keep a list of which sequences were matches for later - do_not_reset[callbacks[i].seq] = 1; - _fireCallback(callbacks[i].callback, e); - continue; - } + /** + * Set a new range + * If minimumStep is provided, the step size is chosen as close as possible + * to the minimumStep but larger than minimumStep. If minimumStep is not + * provided, the scale is set to 1 DAY. + * The minimumStep should correspond with the onscreen size of about 6 characters + * @param {Number} [start] The start date and time. + * @param {Number} [end] The end date and time. + * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds + */ + DataStep.prototype.setRange = function(start, end, minimumStep, containerHeight, customRange) { + this._start = customRange.min === undefined ? start : customRange.min; + this._end = customRange.max === undefined ? end : customRange.max; - // if there were no sequence matches but we are still here - // that means this is a regular match so we should fire that - if (!processed_sequence_callback && !_inside_sequence) { - _fireCallback(callbacks[i].callback, e); - } - } + if (this._start == this._end) { + this._start -= 0.75; + this._end += 1; + } - // if you are inside of a sequence and the key you are pressing - // is not a modifier key then we should reset all sequences - // that were not matched by this key event - if (e.type == _inside_sequence && !_isModifier(character)) { - _resetSequences(do_not_reset); - } + if (this.autoScale) { + this.setMinimumStep(minimumStep, containerHeight); } + this.setFirst(customRange); + }; - /** - * handles a keydown event - * - * @param {Event} e - * @returns void - */ - function _handleKey(e) { + /** + * 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); - // normalize e.which for key events - // @see http://stackoverflow.com/questions/4285627/javascript-keycode-vs-charcode-utter-confusion - e.which = typeof e.which == "number" ? e.which : e.keyCode; + var minorStepIdx = -1; + var magnitudefactor = Math.pow(10,orderOfMagnitude); - var character = _characterFromEvent(e); + var start = 0; + if (orderOfMagnitude < 0) { + start = orderOfMagnitude; + } - // no character found then stop - if (!character) { - return; + 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]; + }; - if (e.type == 'keyup' && _ignore_next_keyup == character) { - _ignore_next_keyup = false; - return; - } - _handleCharacter(character, e); - } - /** - * determines if the keycode specified is a modifier key or not - * - * @param {string} key - * @returns {boolean} - */ - function _isModifier(key) { - return key == 'shift' || key == 'ctrl' || key == 'alt' || key == 'meta'; + /** + * 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 = {}; } + 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; - /** - * called to set a 1 second timeout on the specified sequence - * - * this is so after each key press in the sequence you have 1 second - * to press the next key before you have to start over - * - * @returns void - */ - function _resetSequenceTimer() { - clearTimeout(_reset_timer); - _reset_timer = setTimeout(_resetSequences, 1000); - } + this.marginEnd = customRange.max === undefined ? this.roundToMinor(niceEnd) : customRange.max; + this.marginStart = customRange.min === undefined ? this.roundToMinor(niceStart) : customRange.min; + this.deadSpace = this.roundToMinor(niceEnd) - niceEnd + this.roundToMinor(niceStart) - niceStart; + this.marginRange = this.marginEnd - this.marginStart; - /** - * reverses the map lookup so that we can look for specific keys - * to see what can and can't use keypress - * - * @return {Object} - */ - function _getReverseMap() { - if (!_REVERSE_MAP) { - _REVERSE_MAP = {}; - for (var key in _MAP) { + this.current = this.marginEnd; - // pull out the numeric keypad from here cause keypress should - // be able to detect the keys from the character - if (key > 95 && key < 112) { - continue; - } + }; - if (_MAP.hasOwnProperty(key)) { - _REVERSE_MAP[_MAP[key]] = key; - } - } - } - return _REVERSE_MAP; + 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]); } - - /** - * picks the best action based on the key combination - * - * @param {string} key - character for key - * @param {Array} modifiers - * @param {string=} action passed in - */ - function _pickBestAction(key, modifiers, action) { - - // if no action was picked in we should try to pick the one - // that we think would work best for this key - if (!action) { - action = _getReverseMap()[key] ? 'keydown' : 'keypress'; - } - - // modifier keys don't work as expected with keypress, - // switch to keydown - if (action == 'keypress' && modifiers.length) { - action = 'keydown'; - } - - return action; + else { + return rounded; } + } - /** - * binds a key sequence to an event - * - * @param {string} combo - combo specified in bind call - * @param {Array} keys - * @param {Function} callback - * @param {string=} action - * @returns void - */ - function _bindSequence(combo, keys, callback, action) { - // start off by adding a sequence level record for this combination - // and setting the level to 0 - _sequence_levels[combo] = 0; + /** + * 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); + }; - // if there is no action pick the best one for the first key - // in the sequence - if (!action) { - action = _pickBestAction(keys[0], []); - } + /** + * Do the next step + */ + DataStep.prototype.next = function() { + var prev = this.current; + this.current -= this.step; - /** - * callback to increase the sequence level for this sequence and reset - * all other sequences that were active - * - * @param {Event} e - * @returns void - */ - var _increaseSequence = function(e) { - _inside_sequence = action; - ++_sequence_levels[combo]; - _resetSequenceTimer(); - }, + // safety mechanism: if current time is still unchanged, move to the end + if (this.current == prev) { + this.current = this._end; + } + }; - /** - * wraps the specified callback inside of another function in order - * to reset all sequence counters as soon as this sequence is done - * - * @param {Event} e - * @returns void - */ - _callbackAndReset = function(e) { - _fireCallback(callback, e); + /** + * Do the next step + */ + DataStep.prototype.previous = function() { + this.current += this.step; + this.marginEnd += this.step; + this.marginRange = this.marginEnd - this.marginStart; + }; - // we should ignore the next key up if the action is key down - // or keypress. this is so if you finish a sequence and - // release the key the final key will not trigger a keyup - if (action !== 'keyup') { - _ignore_next_keyup = _characterFromEvent(e); - } - // weird race condition if a sequence ends with the key - // another sequence begins with - setTimeout(_resetSequences, 10); - }, - i; - // loop through keys one at a time and bind the appropriate callback - // function. for any key leading up to the final one it should - // increase the sequence. after the final, it should reset all sequences - for (i = 0; i < keys.length; ++i) { - _bindSingle(keys[i], i < keys.length - 1 ? _increaseSequence : _callbackAndReset, action, combo, i); + /** + * Get the current datetime + * @return {String} current The current date + */ + DataStep.prototype.getCurrent = function() { + var toPrecision = '' + Number(this.current).toPrecision(5); + if (toPrecision.indexOf(",") != -1 || toPrecision.indexOf(".") != -1) { + 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; } + } } - /** - * binds a single keyboard combination - * - * @param {string} combination - * @param {Function} callback - * @param {string=} action - * @param {string=} sequence_name - name of sequence if part of sequence - * @param {number=} level - what part of the sequence the command is - * @returns void - */ - function _bindSingle(combination, callback, action, sequence_name, level) { - - // make sure multiple spaces in a row become a single space - combination = combination.replace(/\s+/g, ' '); - - var sequence = combination.split(' '), - i, - key, - keys, - modifiers = []; + return toPrecision; + }; - // if this pattern is a sequence of keys then run through this method - // to reprocess each pattern one key at a time - if (sequence.length > 1) { - return _bindSequence(combination, sequence, callback, action); - } - // take the keys from this pattern and figure out what the actual - // pattern is all about - keys = combination === '+' ? ['+'] : combination.split('+'); - for (i = 0; i < keys.length; ++i) { - key = keys[i]; + /** + * Snap a date to a rounded value. + * The snap intervals are dependent on the current scale and step. + * @param {Date} date the date to be snapped. + * @return {Date} snappedDate + */ + DataStep.prototype.snap = function(date) { - // normalize key names - if (_SPECIAL_ALIASES[key]) { - key = _SPECIAL_ALIASES[key]; - } + }; - // if this is not a keypress event then we should - // be smart about using shift keys - // this will only work for US keyboards however - if (action && action != 'keypress' && _SHIFT_MAP[key]) { - key = _SHIFT_MAP[key]; - modifiers.push('shift'); - } + /** + * Check if the current value is a major value (for example when the step + * is DAY, a major value is each first day of the MONTH) + * @return {boolean} true if current date is major, else false. + */ + DataStep.prototype.isMajor = function() { + return (this.current % (this.scale * this.majorSteps[this.stepIndex]) == 0); + }; - // if this key is a modifier then add it to the list of modifiers - if (_isModifier(key)) { - modifiers.push(key); - } - } + module.exports = DataStep; - // depending on what the key combination is - // we will try to pick the best event for it - action = _pickBestAction(key, modifiers, action); - // make sure to initialize array if this is the first time - // a callback is added for this key - if (!_callbacks[key]) { - _callbacks[key] = []; - } +/***/ }, +/* 46 */ +/***/ function(module, exports, __webpack_require__) { - // remove an existing match if there is one - _getMatches(key, modifiers, action, !sequence_name, combination); + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); - // add this call back to the array - // if it is a sequence put it at the beginning - // if not put it at the end - // - // this is important because the way these are processed expects - // the sequence ones to come first - _callbacks[key][sequence_name ? 'unshift' : 'push']({ - callback: callback, - modifiers: modifiers, - action: action, - seq: sequence_name, - level: level, - combo: combination - }); + /** + * @constructor Group + * @param {Number | String} groupId + * @param {Object} data + * @param {ItemSet} itemSet + */ + 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; + } - /** - * binds multiple combinations to the same callback - * - * @param {Array} combinations - * @param {Function} callback - * @param {string|undefined} action - * @returns void - */ - function _bindMultiple(combinations, callback, action) { - for (var i = 0; i < combinations.length; ++i) { - _bindSingle(combinations[i], callback, action); - } + GraphGroup.prototype.setItems = function(items) { + if (items != null) { + this.itemsData = items; + if (this.options.sort == true) { + this.itemsData.sort(function (a,b) {return a.x - b.x;}) + } + } + else { + this.itemsData = []; } + }; - // start! - _addEvent(document, 'keypress', _handleKey); - _addEvent(document, 'keydown', _handleKey); - _addEvent(document, 'keyup', _handleKey); + GraphGroup.prototype.setZeroPosition = function(pos) { + this.zeroPosition = pos; + }; - var mousetrap = { + GraphGroup.prototype.setOptions = function(options) { + if (options !== undefined) { + var fields = ['sampling','style','sort','yAxisOrientation','barChart']; + util.selectiveDeepExtend(fields, this.options, options); - /** - * binds an event to mousetrap - * - * can be a single key, a combination of keys separated with +, - * a comma separated list of keys, an array of keys, or - * a sequence of keys separated by spaces - * - * be sure to list the modifier keys first to make sure that the - * correct key ends up getting bound (the last key in the pattern) - * - * @param {string|Array} keys - * @param {Function} callback - * @param {string=} action - 'keypress', 'keydown', or 'keyup' - * @returns void - */ - bind: function(keys, callback, action) { - _bindMultiple(keys instanceof Array ? keys : [keys], callback, action); - _direct_map[keys + ':' + action] = callback; - return this; - }, + util.mergeOptions(this.options, options,'catmullRom'); + util.mergeOptions(this.options, options,'drawPoints'); + util.mergeOptions(this.options, options,'shaded'); - /** - * unbinds an event to mousetrap - * - * the unbinding sets the callback function of the specified key combo - * to an empty function and deletes the corresponding key in the - * _direct_map dict. - * - * the keycombo+action has to be exactly the same as - * it was defined in the bind method - * - * TODO: actually remove this from the _callbacks dictionary instead - * of binding an empty function - * - * @param {string|Array} keys - * @param {string} action - * @returns void - */ - unbind: function(keys, action) { - if (_direct_map[keys + ':' + action]) { - delete _direct_map[keys + ':' + action]; - this.bind(keys, function() {}, action); + if (options.catmullRom) { + if (typeof options.catmullRom == 'object') { + if (options.catmullRom.parametrization) { + if (options.catmullRom.parametrization == 'uniform') { + this.options.catmullRom.alpha = 0; } - return this; - }, - - /** - * triggers an event that has already been bound - * - * @param {string} keys - * @param {string=} action - * @returns void - */ - trigger: function(keys, action) { - _direct_map[keys + ':' + action](); - return this; - }, - - /** - * resets the library back to its initial state. this is useful - * if you want to clear out the current keyboard shortcuts and bind - * new ones - for example if you switch to another page - * - * @returns void - */ - reset: function() { - _callbacks = {}; - _direct_map = {}; - return this; + else if (options.catmullRom.parametrization == 'chordal') { + this.options.catmullRom.alpha = 1.0; + } + else { + this.options.catmullRom.parametrization = 'centripetal'; + this.options.catmullRom.alpha = 0.5; + } + } } - }; + } + } + }; - module.exports = mousetrap; + 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.setOptions(group.options); + }; + 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"); -/***/ }, -/* 55 */ -/***/ function(module, exports, __webpack_require__) { + if (this.options.style == 'line') { + path = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer); + path.setAttributeNS(null, "class", this.className); + 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"); + } - var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {//! moment.js - //! version : 2.8.3 - //! authors : Tim Wood, Iskren Chernev, Moment.js contributors - //! license : MIT - //! momentjs.com + 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); - (function (undefined) { - /************************************ - Constants - ************************************/ + var offset = Math.round((iconWidth - (2 * barWidth))/3); - var moment, - VERSION = '2.8.3', - // 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, + 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); + } + }; - YEAR = 0, - MONTH = 1, - DATE = 2, - HOUR = 3, - MINUTE = 4, - SECOND = 5, - MILLISECOND = 6, + /** + * + * @param iconWidth + * @param iconHeight + * @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}} + */ + GraphGroup.prototype.getLegend = function(iconWidth, iconHeight) { + var svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); + this.drawIcon(0,0.5*iconHeight,[],svg,iconWidth,iconHeight); + return {icon: svg, label: this.content, orientation:this.options.yAxisOrientation}; + } - // internal storage for locale config files - locales = {}, + module.exports = GraphGroup; - // extra moment internal properties (plugins register props here) - momentProperties = [], - // check for nodeJS - hasModule = (typeof module !== 'undefined' && module.exports), +/***/ }, +/* 47 */ +/***/ function(module, exports, __webpack_require__) { - // ASP.NET json date format regex - aspNetJsonRegex = /^\/?Date\((\-?\d+)/i, - aspNetTimeSpanJsonRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/, + var util = __webpack_require__(1); + var DOMutil = __webpack_require__(6); + var Component = __webpack_require__(23); - // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html - // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere - isoDurationRegex = /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/, - - // format tokens - formattingTokens = /(\[[^\[]*\])|(\\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Q|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,4}|X|zz?|ZZ?|.)/g, - localFormattingTokens = /(\[[^\[]*\])|(\\)?(LT|LL?L?L?|l{1,4})/g, - - // parsing token regexes - parseTokenOneOrTwoDigits = /\d\d?/, // 0 - 99 - parseTokenOneToThreeDigits = /\d{1,3}/, // 0 - 999 - parseTokenOneToFourDigits = /\d{1,4}/, // 0 - 9999 - parseTokenOneToSixDigits = /[+\-]?\d{1,6}/, // -999,999 - 999,999 - parseTokenDigits = /\d+/, // nonzero number of digits - parseTokenWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i, // any word (or two) characters or numbers including two/three word month in arabic. - parseTokenTimezone = /Z|[\+\-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z - parseTokenT = /T/i, // T (ISO separator) - parseTokenTimestampMs = /[\+\-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123 - parseTokenOrdinal = /\d{1,2}/, + /** + * 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 + } + } + this.side = side; + this.options = util.extend({},this.defaultOptions); + this.linegraphOptions = linegraphOptions; - //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 + this.svgElements = {}; + this.dom = {}; + this.groups = {}; + this.amountOfGroups = 0; + this._create(); - // iso 8601 regex - // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00) - isoRegex = /^\s*(?:[+-]\d{6}|\d{4})-(?:(\d\d-\d\d)|(W\d\d$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/, + this.setOptions(options); + } - isoFormat = 'YYYY-MM-DDTHH:mm:ssZ', + Legend.prototype = new Component(); - isoDates = [ - ['YYYYYY-MM-DD', /[+-]\d{6}-\d{2}-\d{2}/], - ['YYYY-MM-DD', /\d{4}-\d{2}-\d{2}/], - ['GGGG-[W]WW-E', /\d{4}-W\d{2}-\d/], - ['GGGG-[W]WW', /\d{4}-W\d{2}/], - ['YYYY-DDD', /\d{4}-\d{3}/] - ], - // iso time formats and regexes - isoTimes = [ - ['HH:mm:ss.SSSS', /(T| )\d\d:\d\d:\d\d\.\d+/], - ['HH:mm:ss', /(T| )\d\d:\d\d:\d\d/], - ['HH:mm', /(T| )\d\d:\d\d/], - ['HH', /(T| )\d\d/] - ], + Legend.prototype.addGroup = function(label, graphOptions) { + if (!this.groups.hasOwnProperty(label)) { + this.groups[label] = graphOptions; + } + this.amountOfGroups += 1; + }; - // timezone chunker '+10:00' > ['10', '00'] or '-1530' > ['-15', '30'] - parseTimezoneChunker = /([\+\-]|\d\d)/gi, + Legend.prototype.updateGroup = function(label, graphOptions) { + this.groups[label] = graphOptions; + }; - // 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 - }, + Legend.prototype.removeGroup = function(label) { + if (this.groups.hasOwnProperty(label)) { + delete this.groups[label]; + this.amountOfGroups -= 1; + } + }; - 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' - }, + 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"; - camelFunctions = { - dayofyear : 'dayOfYear', - isoweekday : 'isoWeekday', - isoweek : 'isoWeek', - weekyear : 'weekYear', - isoweekyear : 'isoWeekYear' - }, + this.dom.textArea = document.createElement('div'); + this.dom.textArea.className = 'legendText'; + this.dom.textArea.style.position = "relative"; + this.dom.textArea.style.top = "0px"; - // format function strings - formatFunctions = {}, + 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%'; - // 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 - }, + this.dom.frame.appendChild(this.svg); + this.dom.frame.appendChild(this.dom.textArea); + }; - // tokens to ordinalize and pad - ordinalizeTokens = 'DDD w W M D d'.split(' '), - paddedTokens = 'M D H h m s w W'.split(' '), + /** + * Hide the component from the DOM + */ + Legend.prototype.hide = function() { + // remove the frame containing the items + if (this.dom.frame.parentNode) { + this.dom.frame.parentNode.removeChild(this.dom.frame); + } + }; - 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.unix(); - }, - Q : function () { - return this.quarter(); - } - }, + /** + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed + */ + Legend.prototype.show = function() { + // show frame containing the items + if (!this.dom.frame.parentNode) { + this.body.dom.center.appendChild(this.dom.frame); + } + }; - deprecations = {}, + Legend.prototype.setOptions = function(options) { + var fields = ['enabled','orientation','icons','left','right']; + util.selectiveDeepExtend(fields, this.options, options); + }; - lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin']; + 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++; + } + } + } - // 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'); - } + 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 = ''; } - function hasOwnProp(a, b) { - return hasOwnProperty.call(a, b); + 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 { + this.dom.frame.style.bottom = 4 - Number(this.body.dom.center.style.top.replace("px","")) + 'px'; + this.dom.frame.style.top = ''; } - function defaultParsingFlags() { - // We need to deep clone this object, and es5 standard is not very - // helpful. - return { - empty : false, - unusedTokens : [], - unusedInput : [], - overflow : -2, - charsLeftOver : 0, - nullInput : false, - invalidMonth : null, - invalidFormat : false, - userInvalidated : false, - iso: false - }; + if (this.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(); } - function printMsg(msg) { - if (moment.suppressDeprecationWarnings === false && - typeof console !== 'undefined' && console.warn) { - console.warn('Deprecation warning: ' + msg); + 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'; + } + }; - function deprecate(msg, fn) { - var firstTime = true; - return extend(function () { - if (firstTime) { - printMsg(msg); - firstTime = false; - } - return fn.apply(this, arguments); - }, fn); - } + 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; - function deprecateSimple(name, msg) { - if (!deprecations[name]) { - printMsg(msg); - deprecations[name] = true; + this.svg.style.width = iconWidth + 5 + iconOffset + 'px'; + + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { + this.groups[groupId].drawIcon(x, y, this.svgElements, this.svg, iconWidth, iconHeight); + y += iconHeight + this.options.iconSpacing; } + } } - 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); - }; - } + DOMutil.cleanupElements(this.svgElements); + } + }; - while (ordinalizeTokens.length) { - i = ordinalizeTokens.pop(); - formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i); + module.exports = Legend; + + +/***/ }, +/* 48 */ +/***/ function(module, exports, __webpack_require__) { + + var Emitter = __webpack_require__(11); + var Hammer = __webpack_require__(19); + var mousetrap = __webpack_require__(41); + var util = __webpack_require__(1); + var hammerUtil = __webpack_require__(22); + var DataSet = __webpack_require__(7); + var DataView = __webpack_require__(9); + var dotparser = __webpack_require__(54); + var gephiParser = __webpack_require__(55); + var Groups = __webpack_require__(51); + var Images = __webpack_require__(52); + var Node = __webpack_require__(50); + var Edge = __webpack_require__(49); + var Popup = __webpack_require__(53); + var MixinLoader = __webpack_require__(56); + var Activator = __webpack_require__(40); + var locales = __webpack_require__(67); + + // Load custom shapes into CanvasRenderingContext2D + __webpack_require__(68); + + /** + * @constructor Network + * Create a network visualization, displaying nodes and edges. + * + * @param {Element} container The DOM element in which the Network will + * be created. Normally a div element. + * @param {Object} data An object containing parameters + * {Array} nodes + * {Array} edges + * @param {Object} options Options + */ + function Network (container, data, options) { + if (!(this instanceof Network)) { + throw new SyntaxError('Constructor must be called with the new operator'); + } + + this._initializeMixinLoaders(); + + // create variables and set default values + this.containerElement = container; + + // render and calculation settings + this.renderRefreshRate = 60; // hz (fps) + this.renderTimestep = 1000 / this.renderRefreshRate; // ms -- saves calculation later on + this.renderTime = 0.5 * this.renderTimestep; // measured time it takes to render a frame + this.maxPhysicsTicksPerRender = 3; // max amount of physics ticks per render step. + this.physicsDiscreteStepsize = 0.50; // discrete stepsize of the simulation + + this.initializing = true; + + this.triggerFunctions = {add:null,edit:null,editEdge:null,connect:null,del:null}; + + // set constant values + this.defaultOptions = { + nodes: { + mass: 1, + radiusMin: 10, + radiusMax: 30, + radius: 10, + shape: 'ellipse', + image: undefined, + widthMin: 16, // px + widthMax: 64, // px + fontColor: 'black', + fontSize: 14, // px + fontFace: 'verdana', + fontFill: undefined, + level: -1, + color: { + border: '#2B7CE9', + background: '#97C2FC', + highlight: { + border: '#2B7CE9', + background: '#D2E5FF' + }, + hover: { + border: '#2B7CE9', + background: '#D2E5FF' + } + }, + borderColor: '#2B7CE9', + backgroundColor: '#97C2FC', + highlightColor: '#D2E5FF', + group: undefined, + borderWidth: 1, + borderWidthSelected: undefined + }, + edges: { + widthMin: 1, // + widthMax: 15,// + width: 1, + widthSelectionMultiplier: 2, + hoverWidth: 1.5, + style: 'line', + color: { + color:'#848484', + highlight:'#848484', + hover: '#848484' + }, + fontColor: '#343434', + fontSize: 14, // px + fontFace: 'arial', + fontFill: 'white', + arrowScaleFactor: 1, + dash: { + length: 10, + gap: 5, + altLength: undefined + }, + inheritColor: "from" // to, from, false, true (== from) + }, + configurePhysics:false, + physics: { + barnesHut: { + enabled: true, + theta: 1 / 0.6, // inverted to save time during calculation + gravitationalConstant: -2000, + centralGravity: 0.3, + springLength: 95, + springConstant: 0.04, + damping: 0.09 + }, + repulsion: { + centralGravity: 0.0, + springLength: 200, + springConstant: 0.05, + nodeDistance: 100, + damping: 0.09 + }, + hierarchicalRepulsion: { + enabled: false, + centralGravity: 0.0, + springLength: 100, + springConstant: 0.01, + nodeDistance: 150, + damping: 0.09 + }, + damping: null, + centralGravity: null, + springLength: null, + springConstant: null + }, + clustering: { // Per Node in Cluster = PNiC + enabled: false, // (Boolean) | global on/off switch for clustering. + initialMaxNodes: 100, // (# nodes) | if the initial amount of nodes is larger than this, we cluster until the total number is less than this threshold. + clusterThreshold:500, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than this. If it is, cluster until reduced to reduceToNodes + reduceToNodes:300, // (# nodes) | during calculate forces, we check if the total number of nodes is larger than clusterThreshold. If it is, cluster until reduced to this + chainThreshold: 0.4, // (% of all drawn nodes)| maximum percentage of allowed chainnodes (long strings of connected nodes) within all nodes. (lower means less chains). + clusterEdgeThreshold: 20, // (px) | edge length threshold. if smaller, this node is clustered. + sectorThreshold: 100, // (# nodes in cluster) | cluster size threshold. If larger, expanding in own sector. + screenSizeThreshold: 0.2, // (% of canvas) | relative size threshold. If the width or height of a clusternode takes up this much of the screen, decluster node. + fontSizeMultiplier: 4.0, // (px PNiC) | how much the cluster font size grows per node in cluster (in px). + maxFontSize: 1000, + forceAmplification: 0.1, // (multiplier PNiC) | factor of increase fo the repulsion force of a cluster (per node in cluster). + distanceAmplification: 0.1, // (multiplier PNiC) | factor how much the repulsion distance of a cluster increases (per node in cluster). + edgeGrowth: 20, // (px PNiC) | amount of clusterSize connected to the edge is multiplied with this and added to edgeLength. + nodeScaling: {width: 1, // (px PNiC) | growth of the width per node in cluster. + height: 1, // (px PNiC) | growth of the height per node in cluster. + radius: 1}, // (px PNiC) | growth of the radius per node in cluster. + maxNodeSizeIncrements: 600, // (# increments) | max growth of the width per node in cluster. + activeAreaBoxSize: 80, // (px) | box area around the curser where clusters are popped open. + clusterLevelDifference: 2 + }, + navigation: { + enabled: false + }, + keyboard: { + enabled: false, + speed: {x: 10, y: 10, zoom: 0.02} + }, + dataManipulation: { + enabled: false, + initiallyVisible: false + }, + hierarchicalLayout: { + enabled:false, + levelSeparation: 150, + nodeSpacing: 100, + direction: "UD", // UD, DU, LR, RL + layout: "hubsize" // hubsize, directed + }, + freezeForStabilization: false, + smoothCurves: { + enabled: true, + dynamic: true, + type: "continuous", + roundness: 0.5 + }, + dynamicSmoothCurves: true, + maxVelocity: 30, + minVelocity: 0.1, // px/s + stabilize: true, // stabilize before displaying the network + stabilizationIterations: 1000, // maximum number of iteration to stabilize + locale: 'en', + locales: locales, + tooltip: { + delay: 300, + fontColor: 'black', + fontSize: 14, // px + fontFace: 'verdana', + color: { + border: '#666', + background: '#FFFFC6' + } + }, + dragNetwork: true, + dragNodes: true, + zoomable: true, + hover: false, + hideEdgesOnDrag: false, + hideNodesOnDrag: false, + width : '100%', + height : '100%', + selectable: true + }; + this.constants = util.extend({}, this.defaultOptions); + + this.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; + + // 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; + + // 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(); } - while (paddedTokens.length) { - i = paddedTokens.pop(); - formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2); + }; + 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(); } - formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3); + }; + // properties for the animation + this.moving = true; + this.timer = undefined; // Scheduling function. Is definded in this.start(); - /************************************ - Constructors - ************************************/ + // 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); - function Locale() { + // 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); } + } - // Moment prototype object - function Moment(config, skipOverflow) { - if (skipOverflow !== false) { - checkOverflow(config); - } - copyConfig(this, config); - this._d = new Date(+config._d); + // 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); + + /** + * 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 + */ + Network.prototype._getScriptPath = function() { + var scripts = document.getElementsByTagName( 'script' ); + + // find script named vis.js or vis.min.js + for (var i = 0; i < scripts.length; i++) { + var src = scripts[i].src; + var match = src && /\/?vis(.min)?\.js$/.exec(src); + if (match) { + // return path without the script name + return src.substring(0, src.length - match[0].length); } + } - // 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; + return null; + }; - // representation for dateAddRemove - this._milliseconds = +milliseconds + - seconds * 1e3 + // 1000 - minutes * 6e4 + // 1000 * 60 - hours * 36e5; // 1000 * 60 * 60 - // Because of dateAddRemove treats 24 hours as different from a - // day when working around DST, we need to store them separately - this._days = +days + - weeks * 7; - // It is impossible translate months into days without knowing - // which months you are are talking about, so we have to store - // it separately. - this._months = +months + - quarters * 3 + - years * 12; - this._data = {}; + /** + * Find the center position of the network + * @private + */ + Network.prototype._getRange = function() { + var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (minX > (node.x)) {minX = node.x;} + if (maxX < (node.x)) {maxX = node.x;} + if (minY > (node.y)) {minY = node.y;} + if (maxY < (node.y)) {maxY = node.y;} + } + } + if (minX == 1e9 && maxX == -1e9 && minY == 1e9 && maxY == -1e9) { + minY = 0, maxY = 0, minX = 0, maxX = 0; + } + return {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; + }; + - this._locale = moment.localeData(); + /** + * @param {object} range = {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; + * @returns {{x: number, y: number}} + * @private + */ + Network.prototype._findCenter = function(range) { + return {x: (0.5 * (range.maxX + range.minX)), + y: (0.5 * (range.maxY + range.minY))}; + }; - this._bubble(); - } - /************************************ - Helpers - ************************************/ + /** + * 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. + */ + Network.prototype.zoomExtent = function(animationOptions, initialZoom, disableStart) { + if (initialZoom === undefined) { + initialZoom = false; + } + if (disableStart === undefined) { + disableStart = false; + } + if (animationOptions === undefined) { + animationOptions = false; + } + var range = this._getRange(); + var zoomLevel; - function extend(a, b) { - for (var i in b) { - if (hasOwnProp(b, i)) { - a[i] = b[i]; - } - } + 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. + } + } - if (hasOwnProp(b, 'toString')) { - a.toString = b.toString; - } + // 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; - if (hasOwnProp(b, 'valueOf')) { - a.valueOf = b.valueOf; - } + var xZoomLevel = this.frame.canvas.clientWidth / xDistance; + var yZoomLevel = this.frame.canvas.clientHeight / yDistance; - return a; - } + zoomLevel = (xZoomLevel <= yZoomLevel) ? xZoomLevel : yZoomLevel; + } - function copyConfig(to, from) { - var i, prop, val; + if (zoomLevel > 1.0) { + zoomLevel = 1.0; + } - 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; - } - } - } + 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); + } + }; - return to; - } - function absRound(number) { - if (number < 0) { - return Math.ceil(number); - } else { - return Math.floor(number); - } + /** + * 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); } + } + }; - // 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; + /** + * 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. + */ + 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; + }; - function positiveMomentsDifference(base, other) { - var res = {milliseconds: 0, months: 0}; + /** + * Set options + * @param {Object} options + */ + Network.prototype.setOptions = function (options) { + if (options) { + var prop; - res.months = other.month() - base.month() + - (other.year() - base.year()) * 12; - if (base.clone().add(res.months, 'M').isAfter(other)) { - --res.months; - } + var fields = ['nodes','edges','smoothCurves','hierarchicalLayout','clustering','navigation','keyboard','dataManipulation', + 'onAdd','onEdit','onEditEdge','onConnect','onDelete','clickToUse' + ]; + util.selectiveNotDeepExtend(fields,this.constants, options); + util.selectiveNotDeepExtend(['color'],this.constants.nodes, options.nodes); + util.selectiveNotDeepExtend(['color','length'],this.constants.edges, options.edges); - res.milliseconds = +other - +(base.clone().add(res.months, 'M')); + if (options.physics) { + util.mergeOptions(this.constants.physics, options.physics,'barnesHut'); + util.mergeOptions(this.constants.physics, options.physics,'repulsion'); - return res; + 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]; + } + } + } } - 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; - } + 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;} - return res; - } + 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'); - // 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; - } - val = typeof val === 'string' ? +val : val; - dur = moment.duration(val, period); - addOrSubtractDurationFromMoment(this, dur, direction); - return this; - }; + if (options.dataManipulation) { + this.editMode = this.constants.dataManipulation.initiallyVisible; } - 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); + // 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; } - if (months) { - rawMonthSetter(mom, rawGetter(mom, 'Month') + months * isAdding); + 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;} } - if (updateOffset) { - moment.updateOffset(mom, days || months); + } + + 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;} } + } } - // check if is an array - function isArray(input) { - return Object.prototype.toString.call(input) === '[object Array]'; + if (options.nodes) { + if (options.nodes.color) { + var newColorObj = util.parseColor(options.nodes.color); + this.constants.nodes.color.background = newColorObj.background; + this.constants.nodes.color.border = newColorObj.border; + this.constants.nodes.color.highlight.background = newColorObj.highlight.background; + this.constants.nodes.color.highlight.border = newColorObj.highlight.border; + this.constants.nodes.color.hover.background = newColorObj.hover.background; + this.constants.nodes.color.hover.border = newColorObj.hover.border; + } } - - function isDate(input) { - return Object.prototype.toString.call(input) === '[object Date]' || - input instanceof Date; + if (options.groups) { + for (var groupname in options.groups) { + if (options.groups.hasOwnProperty(groupname)) { + var group = options.groups[groupname]; + this.groups.add(groupname, group); + } + } } - // 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++; - } + if (options.tooltip) { + for (prop in options.tooltip) { + if (options.tooltip.hasOwnProperty(prop)) { + this.constants.tooltip[prop] = options.tooltip[prop]; } - return diffs + lengthDiff; + } + if (options.tooltip.color) { + this.constants.tooltip.color = util.parseColor(options.tooltip.color); + } } - function normalizeUnits(units) { - if (units) { - var lowered = units.toLowerCase().replace(/(.)s$/, '$1'); - units = unitAliases[units] || camelFunctions[lowered] || lowered; + if ('clickToUse' in options) { + if (options.clickToUse) { + this.activator = new Activator(this.frame); + this.activator.on('change', this._createKeyBinds.bind(this)); + } + else { + if (this.activator) { + this.activator.destroy(); + delete this.activator; } - return units; + } } - function normalizeObjectUnits(inputObject) { - var normalizedInput = {}, - normalizedProp, - prop; + if (options.labels) { + throw new Error('Option "labels" is deprecated. Use options "locale" and "locales" instead.'); + } + } - for (prop in inputObject) { - if (hasOwnProp(inputObject, prop)) { - normalizedProp = normalizeUnits(prop); - if (normalizedProp) { - normalizedInput[normalizedProp] = inputObject[prop]; - } - } - } + // (Re)loading the mixins that can be enabled or disabled in the options. + // load the force calculation functions, grouped under the physics system. + this._loadPhysicsSystem(); + // load the navigation system. + this._loadNavigationControls(); + // load the data manipulation system + this._loadManipulationSystem(); + // configure the smooth curves + this._configureSmoothCurves(); - return normalizedInput; - } - function makeList(field) { - var count, setter; + // bind keys. If disabled, this will not do anything; + this._createKeyBinds(); + this.setSize(this.constants.width, this.constants.height); + this.moving = true; + this.start(); + }; - if (field.indexOf('week') === 0) { - count = 7; - setter = 'day'; - } - else if (field.indexOf('month') === 0) { - count = 12; - setter = 'month'; - } - else { - return; - } + /** + * Create the main frame for the Network. + * This function is executed once when a Network object is created. The frame + * contains a canvas, and this canvas contains all objects like the axis and + * nodes. + * @private + */ + Network.prototype._create = function () { + // remove all elements from the container element. + while (this.containerElement.hasChildNodes()) { + this.containerElement.removeChild(this.containerElement.firstChild); + } - moment[field] = function (format, index) { - var i, getter, - method = moment._locale[field], - results = []; + this.frame = document.createElement('div'); + this.frame.className = 'vis network-frame'; + this.frame.style.position = 'relative'; + this.frame.style.overflow = 'hidden'; - if (typeof format === 'number') { - index = format; - format = undefined; - } + // create the network 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); + } - getter = function (i) { - var m = moment().utc().set(setter, i); - return method.call(moment._locale, m, format || ''); - }; + 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) ); - if (index != null) { - return getter(index); - } - else { - for (i = 0; i < count; i++) { - results.push(getter(i)); - } - return results; - } - }; - } + this.hammerFrame = Hammer(this.frame, { + prevent_default: true + }); - function toInt(argumentForCoercion) { - var coercedNumber = +argumentForCoercion, - value = 0; + this.hammerFrame.on('release', me._onRelease.bind(me) ); - if (coercedNumber !== 0 && isFinite(coercedNumber)) { - if (coercedNumber >= 0) { - value = Math.floor(coercedNumber); - } else { - value = Math.ceil(coercedNumber); - } - } + // add the frame to the container element + this.containerElement.appendChild(this.frame); - 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; - } + /** + * Binding the keys for keyboard navigation. These functions are defined in the NavigationMixin + * @private + */ + Network.prototype._createKeyBinds = function() { + var me = this; + this.mousetrap = mousetrap; - function daysInYear(year) { - return isLeapYear(year) ? 366 : 365; - } + this.mousetrap.reset(); - function isLeapYear(year) { - return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; - } + if (this.constants.keyboard.enabled && this.isActive()) { + this.mousetrap.bind("up", this._moveUp.bind(me) , "keydown"); + this.mousetrap.bind("up", this._yStopMoving.bind(me), "keyup"); + this.mousetrap.bind("down", this._moveDown.bind(me) , "keydown"); + this.mousetrap.bind("down", this._yStopMoving.bind(me), "keyup"); + this.mousetrap.bind("left", this._moveLeft.bind(me) , "keydown"); + this.mousetrap.bind("left", this._xStopMoving.bind(me), "keyup"); + this.mousetrap.bind("right",this._moveRight.bind(me), "keydown"); + this.mousetrap.bind("right",this._xStopMoving.bind(me), "keyup"); + this.mousetrap.bind("=", this._zoomIn.bind(me), "keydown"); + this.mousetrap.bind("=", this._stopZoom.bind(me), "keyup"); + this.mousetrap.bind("-", this._zoomOut.bind(me), "keydown"); + this.mousetrap.bind("-", this._stopZoom.bind(me), "keyup"); + this.mousetrap.bind("[", this._zoomIn.bind(me), "keydown"); + this.mousetrap.bind("[", this._stopZoom.bind(me), "keyup"); + this.mousetrap.bind("]", this._zoomOut.bind(me), "keydown"); + this.mousetrap.bind("]", this._stopZoom.bind(me), "keyup"); + this.mousetrap.bind("pageup",this._zoomIn.bind(me), "keydown"); + this.mousetrap.bind("pageup",this._stopZoom.bind(me), "keyup"); + this.mousetrap.bind("pagedown",this._zoomOut.bind(me),"keydown"); + this.mousetrap.bind("pagedown",this._stopZoom.bind(me), "keyup"); + } - 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] > 23 ? 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 (this.constants.dataManipulation.enabled == true) { + this.mousetrap.bind("escape",this._createManipulatorBar.bind(me)); + this.mousetrap.bind("del",this._deleteSelected.bind(me)); + } + }; - if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { - overflow = DATE; - } + /** + * Get the pointer location from a touch location + * @param {{pageX: Number, pageY: Number}} touch + * @return {{x: Number, y: Number}} pointer + * @private + */ + Network.prototype._getPointer = function (touch) { + return { + x: touch.pageX - util.getAbsoluteLeft(this.frame.canvas), + y: touch.pageY - util.getAbsoluteTop(this.frame.canvas) + }; + }; - m._pf.overflow = overflow; - } - } + /** + * On start of a touch gesture, store the pointer + * @param event + * @private + */ + Network.prototype._onTouch = function (event) { + this.drag.pointer = this._getPointer(event.gesture.center); + this.drag.pinched = false; + this.pinch.scale = this._getScale(); - 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; + this._handleTouch(this.drag.pointer); + }; - if (m._strict) { - m._isValid = m._isValid && - m._pf.charsLeftOver === 0 && - m._pf.unusedTokens.length === 0; - } - } - return m._isValid; - } + /** + * handle drag start event + * @private + */ + Network.prototype._onDragStart = function () { + this._handleDragStart(); + }; - 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; + /** + * 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 - 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; - } + drag.dragging = true; + drag.selection = []; + drag.translation = this._getTranslation(); + drag.nodeId = 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]; + if (node != null && this.constants.dragNodes == true) { + drag.nodeId = node.id; + // select the clicked node if not yet selected + if (!node.isSelected()) { + this._selectObject(node,false); } - // Return a moment from input, that is local/utc/zone equivalent to model. - function makeAs(input, model) { - return model._isUTC ? moment(input).zone(model._offset || 0) : - moment(input).local(); - } + this.emit("dragStart",{nodeIds:this.getSelection().nodes}); - /************************************ - Locale - ************************************/ + // 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 + }; - extend(Locale.prototype, { + object.xFixed = true; + object.yFixed = true; - set : function (config) { - var prop, i; - for (i in config) { - prop = config[i]; - if (typeof prop === 'function') { - this[i] = prop; - } else { - this['_' + i] = prop; - } - } - }, + drag.selection.push(s); + } + } + } + }; - _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()]; - }, + /** + * handle drag event + * @private + */ + Network.prototype._onDrag = function (event) { + this._handleOnDrag(event) + }; - monthsParse : function (monthName) { - var i, mom, regex; - if (!this._monthsParse) { - this._monthsParse = []; - } + /** + * This function is called by _onDrag. + * It is separated out because we can then overload it for the datamanipulation system. + * + * @private + */ + Network.prototype._handleOnDrag = function(event) { + if (this.drag.pinched) { + return; + } - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - if (!this._monthsParse[i]) { - mom = moment.utc([2000, i]); - regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); - this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (this._monthsParse[i].test(monthName)) { - return i; - } - } - }, + // remove the focus on node if it is focussed on by the focusOnNode + this.releaseNode(); - _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'), - weekdays : function (m) { - return this._weekdays[m.day()]; - }, + 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; - _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'), - weekdaysShort : function (m) { - return this._weekdaysShort[m.day()]; - }, + // update position of all selected nodes + selection.forEach(function (s) { + var node = s.node; - _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'), - weekdaysMin : function (m) { - return this._weekdaysMin[m.day()]; - }, + if (!s.xFixed) { + node.x = me._XconvertDOMtoCanvas(me._XconvertCanvasToDOM(s.x) + deltaX); + } - weekdaysParse : function (weekdayName) { - var i, mom, regex; + if (!s.yFixed) { + node.y = me._YconvertDOMtoCanvas(me._YconvertCanvasToDOM(s.y) + deltaY); + } + }); - 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; - } - } - }, + // 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; - _longDateFormat : { - 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; - }, + this._setTranslation( + this.drag.translation.x + diffX, + this.drag.translation.y + diffY + ); + this._redraw(); + // this.moving = true; + // this.start(); + } + } + }; - 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'); - }, + /** + * handle drag start event + * @private + */ + Network.prototype._onDragEnd = function (event) { + this._handleDragEnd(event); + }; - _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) { - var output = this._calendar[key]; - return typeof output === 'function' ? output.apply(mom) : output; - }, + 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(); + } + this.emit("dragEnd",{nodeIds:this.getSelection().nodes}); + } + /** + * 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); - _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); - }, + /** + * handle doubletap event + * @private + */ + Network.prototype._onDoubleTap = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleDoubleTap(pointer); + }; - ordinal : function (number) { - return this._ordinal.replace('%d', number); - }, - _ordinal : '%d', - preparse : function (string) { - return string; - }, + /** + * 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); + }; - postformat : function (string) { - return string; - }, + /** + * handle the release of the screen + * + * @private + */ + Network.prototype._onRelease = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleOnRelease(pointer); + }; - week : function (mom) { - return weekOfYear(mom, this._week.dow, this._week.doy).week; - }, + /** + * Handle pinch event + * @param event + * @private + */ + Network.prototype._onPinch = function (event) { + var pointer = this._getPointer(event.gesture.center); + + this.drag.pinched = true; + if (!('scale' in this.pinch)) { + this.pinch.scale = 1; + } + + // TODO: enabled moving while pinching? + var scale = this.pinch.scale * event.gesture.scale; + this._zoom(scale, pointer) + }; + + /** + * 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; + } - _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. - }, + 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(); - _invalidDate: 'Invalid date', - invalidDate: function () { - return this._invalidDate; - } - }); + var scaleFrac = scale / scaleOld; + var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; + var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac; - /************************************ - Formatting - ************************************/ + this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), + "y" : this._YconvertDOMtoCanvas(pointer.y)}; + this._setScale(scale); + this._setTranslation(tx, ty); + this.updateClustersDefault(); - function removeFormattingTokens(input) { - if (input.match(/\[[\s\S]/)) { - return input.replace(/^\[|\]$/g, ''); - } - return input.replace(/\\/g, ''); + if (preScaleDragPointer != null) { + var postScaleDragPointer = this.canvasToDOM(preScaleDragPointer); + this.drag.pointer.x = postScaleDragPointer.x; + this.drag.pointer.y = postScaleDragPointer.y; } - 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]); - } - } + this._redraw(); - return function (mom) { - var output = ''; - for (i = 0; i < length; i++) { - output += array[i] instanceof Function ? array[i].call(mom, format) : array[i]; - } - return output; - }; + if (scaleOld < scale) { + this.emit("zoom", {direction:"+"}); + } + else { + this.emit("zoom", {direction:"-"}); } - // format date using native date object - function formatMoment(m, format) { - if (!m.isValid()) { - return m.localeData().invalidDate(); - } + return scale; + } + }; - format = expandFormat(format, m.localeData()); - if (!formatFunctions[format]) { - formatFunctions[format] = makeFormatFunction(format); - } + /** + * 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; + } - return formatFunctions[format](m); - } + // 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) { - function expandFormat(format, locale) { - var i = 5; + // calculate the new scale + var scale = this._getScale(); + var zoom = delta / 10; + if (delta < 0) { + zoom = zoom / (1 - zoom); + } + scale *= (1 + zoom); - function replaceLongDateFormatTokens(input) { - return locale.longDateFormat(input) || input; - } + // calculate the pointer location + var gesture = hammerUtil.fakeGesture(this, event); + var pointer = this._getPointer(gesture.center); - localFormattingTokens.lastIndex = 0; - while (i >= 0 && localFormattingTokens.test(format)) { - format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); - localFormattingTokens.lastIndex = 0; - i -= 1; - } + // apply the new scale + this._zoom(scale, pointer); + } - return format; - } + // Prevent default actions caused by mouse wheel. + event.preventDefault(); + }; - /************************************ - Parsing - ************************************/ + /** + * Mouse move handler for checking whether the title moves over a node with a title. + * @param {Event} event + * @private + */ + Network.prototype._onMouseMoveTitle = function (event) { + var gesture = hammerUtil.fakeGesture(this, event); + var pointer = this._getPointer(gesture.center); + // check if the previously selected node is still selected + if (this.popupObj) { + this._checkHidePopup(pointer); + } - // 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 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 parseTokenOrdinal; - default : - a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), 'i')); - return a; - } - } + // 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); + } - 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; + /** + * Adding hover highlights + */ + if (this.constants.hover == true) { + // removing all hover highlights + for (var edgeId in this.hoverObj.edges) { + if (this.hoverObj.edges.hasOwnProperty(edgeId)) { + this.hoverObj.edges[edgeId].hover = false; + delete this.hoverObj.edges[edgeId]; + } } - // function 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); - // 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, 10)); - } - break; - // DAY OF YEAR - case 'DDD' : // fall through to DDDD - case 'DDDD' : - if (input != null) { - config._dayOfYear = toInt(input); - } + // adding hover highlights + var obj = this._getNodeAt(pointer); + if (obj == null) { + obj = this._getEdgeAt(pointer); + } + if (obj != null) { + this._hoverObject(obj); + } - 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; - // 24 HOUR - case 'H' : // fall through to hh - case 'HH' : // fall through to hh - 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 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); + // removing all node hover highlights except for the selected one. + for (var nodeId in this.hoverObj.nodes) { + if (this.hoverObj.nodes.hasOwnProperty(nodeId)) { + if (obj instanceof Node && obj.id != nodeId || obj instanceof Edge || obj == null) { + this._blurObject(this.hoverObj.nodes[nodeId]); + delete this.hoverObj.nodes[nodeId]; } + } } + this.redraw(); + } + }; - function 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; + /** + * 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) + }; - weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year); - week = dfl(w.w, 1); + var id; + var lastPopupNode = this.popupObj; - 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; - } + 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; } - 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; + 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; } + } + } + } - 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 (this.popupObj) { + // show popup message window + if (this.popupObj != lastPopupNode) { + var me = this; + if (!me.popup) { + me.popup = new Popup(me.frame, me.constants.tooltip); + } - //if the day of the year is set, figure out what it is - if (config._dayOfYear) { - yearToUse = dfl(config._a[YEAR], currentDate[YEAR]); + // adjust a small offset such that the mouse cursor is located in the + // bottom left location of the popup, and you can easily move over the + // popup area + me.popup.setPosition(pointer.x - 3, pointer.y - 3); + me.popup.setText(me.popupObj.getTitle()); + me.popup.show(); + } + } + else { + if (this.popup) { + this.popup.hide(); + } + } + }; - if (config._dayOfYear > daysInYear(yearToUse)) { - config._pf._overflowDayOfYear = true; - } - date = makeUTCDate(yearToUse, 0, config._dayOfYear); - config._a[MONTH] = date.getUTCMonth(); - config._a[DATE] = date.getUTCDate(); - } + /** + * Check if the popup must be hided, which is the case when the mouse is no + * longer hovering on the object + * @param {{x:Number, y:Number}} pointer + * @private + */ + Network.prototype._checkHidePopup = function (pointer) { + if (!this.popupObj || !this._getNodeAt(pointer) ) { + this.popupObj = undefined; + if (this.popup) { + this.popup.hide(); + } + } + }; - // 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]; - } - // 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]; - } + /** + * 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; - 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); - } - } + this.frame.canvas.style.width = '100%'; + this.frame.canvas.style.height = '100%'; - function dateFromObject(config) { - var normalizedInput; + this.frame.canvas.width = this.frame.canvas.clientWidth; + this.frame.canvas.height = this.frame.canvas.clientHeight; - if (config._d) { - return; - } + this.constants.width = width; + this.constants.height = height; - normalizedInput = normalizeObjectUnits(config._i); - config._a = [ - normalizedInput.year, - normalizedInput.month, - normalizedInput.day, - normalizedInput.hour, - normalizedInput.minute, - normalizedInput.second, - normalizedInput.millisecond - ]; + emitEvent = true; + } + else { + // this would adapt the width of the canvas to the width from 100% if and only if + // there is a change. - dateFromConfig(config); + if (this.frame.canvas.width != this.frame.canvas.clientWidth) { + this.frame.canvas.width = this.frame.canvas.clientWidth; + emitEvent = true; } - - function currentDateArray(config) { - var now = new Date(); - if (config._useUTC) { - return [ - now.getUTCFullYear(), - now.getUTCMonth(), - now.getUTCDate() - ]; - } else { - return [now.getFullYear(), now.getMonth(), now.getDate()]; - } + if (this.frame.canvas.height != this.frame.canvas.clientHeight) { + this.frame.canvas.height = this.frame.canvas.clientHeight; + emitEvent = true; } + } - // date from string and format string - function makeDateFromStringAndFormat(config) { - if (config._f === moment.ISO_8601) { - parseISO(config); - return; - } + if (emitEvent == true) { + this.emit('resize', {width:this.frame.canvas.width,height:this.frame.canvas.height, oldWidth: oldWidth, oldHeight: oldHeight}); + } + }; - config._a = []; - config._pf.empty = true; + /** + * Set a data set with nodes for the network + * @param {Array | DataSet | DataView} nodes The data containing the nodes. + * @private + */ + Network.prototype._setNodes = function(nodes) { + var oldNodesData = this.nodesData; - // 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; + 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'); + } - tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; + if (oldNodesData) { + // unsubscribe from old dataset + util.forEach(this.nodesListeners, function (callback, event) { + oldNodesData.off(event, callback); + }); + } - 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); - } - } + // remove drawn nodes + this.nodes = {}; - // add remaining unparsed input length to the string - config._pf.charsLeftOver = stringLength - totalParsedInputLength; - if (string.length > 0) { - config._pf.unusedInput.push(string); - } + if (this.nodesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.nodesListeners, function (callback, event) { + me.nodesData.on(event, callback); + }); - // 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; - } + // draw all new nodes + var ids = this.nodesData.getIds(); + this._addNodes(ids); + } + this._updateSelection(); + }; - dateFromConfig(config); - checkOverflow(config); + /** + * Add nodes + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._addNodes = function(ids) { + var id; + for (var i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + var data = this.nodesData.get(id); + var node = new Node(data, this.images, this.groups, this.constants); + this.nodes[id] = node; // note: this may replace an existing node + if ((node.xFixed == false || node.yFixed == false) && (node.x === null || node.y === null)) { + var radius = 10 * 0.1*ids.length + 10; + var angle = 2 * Math.PI * Math.random(); + if (node.xFixed == false) {node.x = radius * Math.cos(angle);} + if (node.yFixed == false) {node.y = radius * Math.sin(angle);} } + this.moving = true; + } - function unescapeFormat(s) { - return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { - return p1 || p2 || p3 || p4; - }); - } + 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(); + }; - // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript - function regexpEscape(s) { - return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + /** + * Update existing nodes, or create them when not yet existing + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._updateNodes = function(ids,changedData) { + var nodes = this.nodes; + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; + var node = nodes[id]; + var data = changedData[i]; + if (node) { + // update node + node.setProperties(data, this.constants); } + else { + // create node + node = new Node(properties, this.images, this.groups, this.constants); + nodes[id] = node; + } + } + this.moving = true; + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateNodeIndexList(); + this._updateValueRange(nodes); + }; - // date from string and array of format strings - function makeDateFromStringAndArray(config) { - var tempConfig, - bestMoment, - - scoreToBeat, - i, - currentScore; + /** + * Remove existing nodes. If nodes do not exist, the method will just ignore it. + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._removeNodes = function(ids) { + var nodes = this.nodes; + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; + delete nodes[id]; + } + this._updateNodeIndexList(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); + this._reconnectEdges(); + this._updateSelection(); + this._updateValueRange(nodes); + }; - if (config._f.length === 0) { - config._pf.invalidFormat = true; - config._d = new Date(NaN); - return; - } + /** + * 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; - for (i = 0; i < config._f.length; i++) { - currentScore = 0; - tempConfig = copyConfig({}, config); - if (config._useUTC != null) { - tempConfig._useUTC = config._useUTC; - } - tempConfig._pf = defaultParsingFlags(); - tempConfig._f = config._f[i]; - makeDateFromStringAndFormat(tempConfig); + if (edges instanceof DataSet || edges instanceof DataView) { + this.edgesData = edges; + } + else if (Array.isArray(edges)) { + this.edgesData = new DataSet(); + this.edgesData.add(edges); + } + else if (!edges) { + this.edgesData = new DataSet(); + } + else { + throw new TypeError('Array or DataSet expected'); + } - if (!isValid(tempConfig)) { - continue; - } + if (oldEdgesData) { + // unsubscribe from old dataset + util.forEach(this.edgesListeners, function (callback, event) { + oldEdgesData.off(event, callback); + }); + } - // if there is any input that was not parsed add a penalty for that format - currentScore += tempConfig._pf.charsLeftOver; + // remove drawn edges + this.edges = {}; - //or tokens - currentScore += tempConfig._pf.unusedTokens.length * 10; + if (this.edgesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.edgesListeners, function (callback, event) { + me.edgesData.on(event, callback); + }); - tempConfig._pf.score = currentScore; + // draw all new nodes + var ids = this.edgesData.getIds(); + this._addEdges(ids); + } - if (scoreToBeat == null || currentScore < scoreToBeat) { - scoreToBeat = currentScore; - bestMoment = tempConfig; - } - } + this._reconnectEdges(); + }; - extend(config, bestMoment || tempConfig); - } + /** + * Add edges + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._addEdges = function (ids) { + var edges = this.edges, + edgesData = this.edgesData; - // date from iso format - function parseISO(config) { - var i, l, - string = config._i, - match = isoRegex.exec(string); + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; - 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; - } + var oldEdge = edges[id]; + if (oldEdge) { + oldEdge.disconnect(); } - // date from iso format or fallback - function makeDateFromString(config) { - parseISO(config); - if (config._isValid === false) { - delete config._isValid; - moment.createFromInputFallback(config); - } - } + 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(); + } + }; - function map(arr, fn) { - var res = [], i; - for (i = 0; i < arr.length; ++i) { - res.push(fn(arr[i], i)); - } - return res; - } + /** + * 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]; - function makeDateFromInput(config) { - var input = config._i, matched; - if (input === undefined) { - config._d = new Date(); - } else if (isDate(input)) { - config._d = new Date(+input); - } else if ((matched = aspNetJsonRegex.exec(input)) !== null) { - config._d = new Date(+matched[1]); - } else if (typeof input === 'string') { - makeDateFromString(config); - } else if (isArray(input)) { - config._a = map(input.slice(0), function (obj) { - return parseInt(obj, 10); - }); - dateFromConfig(config); - } else if (typeof(input) === 'object') { - dateFromObject(config); - } else if (typeof(input) === 'number') { - // from milliseconds - config._d = new Date(input); - } else { - moment.createFromInputFallback(config); - } + var 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; } + } - 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); + this._createBezierNodes(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this.moving = true; + this._updateValueRange(edges); + }; - //the date constructor doesn't accept years < 1970 - if (y < 1970) { - date.setFullYear(y); - } - return date; + /** + * Remove existing edges. Non existing ids will be ignored + * @param {Number[] | String[]} ids + * @private + */ + Network.prototype._removeEdges = function (ids) { + var edges = this.edges; + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; + var edge = edges[id]; + if (edge) { + if (edge.via != null) { + delete this.sectors['support']['nodes'][edge.via.id]; + } + edge.disconnect(); + delete edges[id]; } + } - function makeUTCDate(y) { - var date = new Date(Date.UTC.apply(null, arguments)); - if (y < 1970) { - date.setUTCFullYear(y); - } - return date; + this.moving = true; + this._updateValueRange(edges); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); + }; + + /** + * 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 = []; } + } - 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; + for (id in edges) { + if (edges.hasOwnProperty(id)) { + var edge = edges[id]; + edge.from = null; + edge.to = null; + edge.connect(); } + } + }; - /************************************ - Relative Time - ************************************/ + /** + * 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); + } + } + } - // 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); + // adjust the range of all objects + if (valueMin !== undefined && valueMax !== undefined) { + for (id in obj) { + if (obj.hasOwnProperty(id)) { + obj[id].setValueRange(valueMin, valueMax); + } } + } + }; - function 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')), + /** + * 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(); + }; - 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]; + /** + * Redraw the network with the current data + * @private + */ + Network.prototype._redraw = function() { + var ctx = this.frame.canvas.getContext('2d'); + // clear the canvas + var w = this.frame.canvas.width; + var h = this.frame.canvas.height; + ctx.clearRect(0, 0, w, h); - args[2] = withoutSuffix; - args[3] = +posNegDuration > 0; - args[4] = locale; - return substituteTimeAgo.apply({}, args); - } + // set scaling and translation + ctx.save(); + ctx.translate(this.translation.x, this.translation.y); + ctx.scale(this.scale, this.scale); + this.canvasTopLeft = { + "x": this._XconvertDOMtoCanvas(0), + "y": this._YconvertDOMtoCanvas(0) + }; + this.canvasBottomRight = { + "x": this._XconvertDOMtoCanvas(this.frame.canvas.clientWidth), + "y": this._YconvertDOMtoCanvas(this.frame.canvas.clientHeight) + }; - /************************************ - Week of Year - ************************************/ + this._doInAllSectors("_drawAllSectorNodes",ctx); + if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideEdgesOnDrag == false) { + this._doInAllSectors("_drawEdges",ctx); + } - // 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 (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideNodesOnDrag == false) { + this._doInAllSectors("_drawNodes",ctx,false); + } + if (this.controlNodesActive == true) { + this._doInAllSectors("_drawControlNodes",ctx); + } - if (daysToDayOfWeek > end) { - daysToDayOfWeek -= 7; - } + // this._doInSupportSector("_drawNodes",ctx,true); + // this._drawTree(ctx,"#F00F0F"); - if (daysToDayOfWeek < end - 7) { - daysToDayOfWeek += 7; - } + // restore original scaling and translation + ctx.restore(); + }; - adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd'); - return { - week: Math.ceil(adjustedMoment.dayOfYear() / 7), - year: adjustedMoment.year() - }; - } + /** + * Set the translation of the network + * @param {Number} offsetX Horizontal offset + * @param {Number} offsetY Vertical offset + * @private + */ + Network.prototype._setTranslation = function(offsetX, offsetY) { + if (this.translation === undefined) { + this.translation = { + x: 0, + y: 0 + }; + } - //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday - function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) { - var d = makeUTCDate(year, 0, 1).getUTCDay(), daysToAdd, dayOfYear; + if (offsetX !== undefined) { + this.translation.x = offsetX; + } + if (offsetY !== undefined) { + this.translation.y = offsetY; + } - 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; + this.emit('viewChanged'); + }; - return { - year: dayOfYear > 0 ? year : year - 1, - dayOfYear: dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear - }; - } + /** + * 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 + }; + }; - /************************************ - Top Level Functions - ************************************/ + /** + * Scale the network + * @param {Number} scale Scaling factor 1.0 is unscaled + * @private + */ + Network.prototype._setScale = function(scale) { + this.scale = scale; + }; - function makeMoment(config) { - var input = config._i, - format = config._f; + /** + * Get the current scale of the network + * @return {Number} scale Scaling factor 1.0 is unscaled + * @private + */ + Network.prototype._getScale = function() { + return this.scale; + }; - config._locale = config._locale || moment.localeData(config._l); + /** + * Convert the X coordinate in DOM-space (coordinate point in browser relative to the container div) to + * the X coordinate in canvas-space (the simulation sandbox, which the camera looks upon) + * @param {number} x + * @returns {number} + * @private + */ + Network.prototype._XconvertDOMtoCanvas = function(x) { + return (x - this.translation.x) / this.scale; + }; - if (input === null || (format === undefined && input === '')) { - return moment.invalid({nullInput: true}); - } + /** + * Convert the X coordinate in canvas-space (the simulation sandbox, which the camera looks upon) to + * the X coordinate in DOM-space (coordinate point in browser relative to the container div) + * @param {number} x + * @returns {number} + * @private + */ + Network.prototype._XconvertCanvasToDOM = function(x) { + return x * this.scale + this.translation.x; + }; - if (typeof input === 'string') { - config._i = input = config._locale.preparse(input); - } + /** + * Convert the Y coordinate in DOM-space (coordinate point in browser relative to the container div) to + * the Y coordinate in canvas-space (the simulation sandbox, which the camera looks upon) + * @param {number} y + * @returns {number} + * @private + */ + Network.prototype._YconvertDOMtoCanvas = function(y) { + return (y - this.translation.y) / this.scale; + }; - if (moment.isMoment(input)) { - return new Moment(input, true); - } else if (format) { - if (isArray(format)) { - makeDateFromStringAndArray(config); - } else { - makeDateFromStringAndFormat(config); - } - } else { - makeDateFromInput(config); - } + /** + * 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 ; + }; - return new Moment(config); - } - moment = function (input, format, locale, strict) { - var c; + /** + * + * @param {object} pos = {x: number, y: number} + * @returns {{x: number, y: number}} + * @constructor + */ + Network.prototype.canvasToDOM = function (pos) { + return {x: this._XconvertCanvasToDOM(pos.x), y: this._YconvertCanvasToDOM(pos.y)}; + }; - if (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(); + /** + * + * @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)}; + }; - return makeMoment(c); - }; + /** + * Redraw all nodes + * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); + * @param {CanvasRenderingContext2D} ctx + * @param {Boolean} [alwaysShow] + * @private + */ + Network.prototype._drawNodes = function(ctx,alwaysShow) { + if (alwaysShow === undefined) { + alwaysShow = false; + } - moment.suppressDeprecationWarnings = false; + // first draw the unselected nodes + var nodes = this.nodes; + var selected = []; - 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); + 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); } - ); + } + } + } - // 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; + // 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); } + } + }; - moment.min = function () { - var args = [].slice.call(arguments, 0); + /** + * 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); + } + } + } + }; - return pickBy('isBefore', args); - }; + /** + * Redraw all edges + * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); + * @param {CanvasRenderingContext2D} ctx + * @private + */ + Network.prototype._drawControlNodes = function(ctx) { + var edges = this.edges; + for (var id in edges) { + if (edges.hasOwnProperty(id)) { + edges[id]._drawControlNodes(ctx); + } + } + }; - moment.max = function () { - var args = [].slice.call(arguments, 0); + /** + * Find a stable position for all nodes + * @private + */ + Network.prototype._stabilize = function() { + if (this.constants.freezeForStabilization == true) { + this._freezeDefinedNodes(); + } - return pickBy('isAfter', args); - }; + // find stable position + var count = 0; + while (this.moving && count < this.constants.stabilizationIterations) { + this._physicsTick(); + count++; + } + this.zoomExtent(undefined,false,true); + if (this.constants.freezeForStabilization == true) { + this._restoreFrozenNodes(); + } + }; - // creating with utc - moment.utc = function (input, format, locale, strict) { - var c; + /** + * When initializing and stabilizing, we can freeze nodes with a predefined position. This greatly speeds up stabilization + * because only the supportnodes for the smoothCurves have to settle. + * + * @private + */ + Network.prototype._freezeDefinedNodes = function() { + var nodes = this.nodes; + for (var id in nodes) { + if (nodes.hasOwnProperty(id)) { + if (nodes[id].x != null && nodes[id].y != null) { + nodes[id].fixedData.x = nodes[id].xFixed; + nodes[id].fixedData.y = nodes[id].yFixed; + nodes[id].xFixed = true; + nodes[id].yFixed = true; + } + } + } + }; + + /** + * 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; + } + } + } + }; + + + /** + * Check if any of the nodes is still moving + * @param {number} vmin the minimum velocity considered as 'moving' + * @return {boolean} true if moving, false if non of the nodes is moving + * @private + */ + Network.prototype._isMoving = function(vmin) { + var nodes = this.nodes; + for (var id in nodes) { + if (nodes.hasOwnProperty(id) && nodes[id].isMoving(vmin)) { + return true; + } + } + return false; + }; - 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(); - return makeMoment(c).utc(); - }; + /** + * /** + * 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; - // creating with unix timestamp (in seconds) - moment.unix = function (input) { - return moment(input * 1000); - }; + 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; + } + } + } - // 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 (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; + }; - 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)); + /** + * 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; - duration = {}; - duration.ms = diffRes.milliseconds; - duration.M = diffRes.months; - } + 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;} - ret = new Duration(duration); + // determine if the network has stabilzied + this.moving = mainMovingStatus || supportMovingStatus; - if (moment.isDuration(input) && hasOwnProp(input, '_locale')) { - ret._locale = input._locale; - } + this.stabilizationIterations++; + } + } + }; - return ret; - }; - // version number - moment.version = VERSION; + /** + * 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(); - // default format - moment.defaultFormat = isoFormat; + // this schedules a new animation step + this.start(); - // constant that refers to the ISO standard - moment.ISO_8601 = function () {}; + // 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; + }; - // Plugins that add properties should also add the key here (null value), - // so we can properly clone ourselves. - moment.momentProperties = momentProperties; + if (typeof window !== 'undefined') { + window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || + window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; + } - // 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 () {}; + /** + * 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; + } - // This function allows you to set a threshold for relative time strings - moment.relativeTimeThreshold = function (threshold, limit) { - if (relativeTimeThresholds[threshold] === undefined) { - return false; - } - if (limit === undefined) { - return relativeTimeThresholds[threshold]; - } - relativeTimeThresholds[threshold] = limit; - return true; - }; + if (!this.timer) { + var ua = navigator.userAgent.toLowerCase(); - moment.lang = deprecate( - 'moment.lang is deprecated. Use moment.locale instead.', - function (key, value) { - return moment.locale(key, value); + 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; } - ); + } - // This function will load locale and then set the global locale. If - // no arguments are passed in, it will simply return the current global - // locale key. - moment.locale = function (key, values) { - var data; - if (key) { - if (typeof(values) !== 'undefined') { - data = moment.defineLocale(key, values); - } - else { - data = moment.localeData(key); - } + if (requiresTimeout == true) { + this.timer = window.setTimeout(this._animationStep.bind(this), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function + } + else{ + this.timer = window.requestAnimationFrame(this._animationStep.bind(this), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function + } + } + } + else { + this._redraw(); + if (this.stabilizationIterations > 0) { + // trigger the "stabilized" event. + // The event is triggered on the next tick, to prevent the case that + // it is fired while initializing the Network, in which case you would not + // be able to catch it + var me = this; + var params = { + iterations: me.stabilizationIterations + }; + me.stabilizationIterations = 0; + me.startedStabilization = false; + setTimeout(function () { + me.emit("stabilized", params); + }, 0); + } + } + }; - if (data) { - moment.duration._locale = moment._locale = data; - } - } - return moment._locale._abbr; + /** + * Move the network according to the keyboard presses. + * + * @private + */ + Network.prototype._handleNavigation = function() { + if (this.xIncrement != 0 || this.yIncrement != 0) { + var translation = this._getTranslation(); + this._setTranslation(translation.x+this.xIncrement, translation.y+this.yIncrement); + } + if (this.zoomIncrement != 0) { + var center = { + x: this.frame.canvas.clientWidth / 2, + y: this.frame.canvas.clientHeight / 2 }; + this._zoom(this.scale*(1 + this.zoomIncrement), center); + } + }; - moment.defineLocale = function (name, values) { - if (values !== null) { - values.abbr = name; - if (!locales[name]) { - locales[name] = new Locale(); - } - locales[name].set(values); - // backwards compat for now: also set the locale - moment.locale(name); + /** + * Freeze the _animationStep + */ + Network.prototype.toggleFreeze = function() { + if (this.freezeSimulation == false) { + this.freezeSimulation = true; + } + else { + this.freezeSimulation = false; + this.start(); + } + }; - return locales[name]; - } else { - // useful for testing - delete locales[name]; - return null; - } - }; - moment.langData = deprecate( - 'moment.langData is deprecated. Use moment.localeData instead.', - function (key) { - return moment.localeData(key); + /** + * 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; + } + } + } - // returns locale data - moment.localeData = function (key) { - var locale; - if (key && key._locale && key._locale._abbr) { - key = key._locale._abbr; - } + this._updateCalculationNodes(); + if (!disableStart) { + this.moving = true; + this.start(); + } + }; - if (!key) { - return moment._locale; - } - if (!isArray(key)) { - //short-circuit everything else - locale = loadLocale(key); - if (locale) { - return locale; - } - key = [key]; + /** + * Bezier curves require an anchor point to calculate the smooth flow. These points are nodes. These nodes are invisible but + * are used for the force calculation. + * + * @private + */ + Network.prototype._createBezierNodes = function() { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + var edge = this.edges[edgeId]; + if (edge.via == null) { + var nodeId = "edgeId:".concat(edge.id); + this.sectors['support']['nodes'][nodeId] = new Node( + {id:nodeId, + mass:1, + shape:'circle', + image:"", + internalMultiplier:1 + },{},{},this.constants); + edge.via = this.sectors['support']['nodes'][nodeId]; + edge.via.parentEdgeId = edge.id; + edge.positionBezierNode(); } + } + } + } + }; - return chooseLocale(key); - }; - - // compare moment object - moment.isMoment = function (obj) { - return obj instanceof Moment || - (obj != null && hasOwnProp(obj, '_isAMomentObject')); - }; + /** + * 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]; + } + } + }; - // for typechecking Duration objects - moment.isDuration = function (obj) { - return obj instanceof Duration; - }; + /** + * 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(); + }; - for (i = lists.length - 1; i >= 0; --i) { - makeList(lists[i]); + /** + * 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); + }; - moment.normalizeUnits = function (units) { - return normalizeUnits(units); - }; - - moment.invalid = function (flags) { - var m = moment.utc(NaN); - if (flags != null) { - extend(m._pf, flags); - } - else { - m._pf.userInvalidated = true; + /** + * 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; + }; - return m; - }; - - moment.parseZone = function () { - return moment.apply(null, arguments).parseZone(); - }; - - moment.parseTwoDigitYear = function (input) { - return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); - }; - - /************************************ - Moment Prototype - ************************************/ - extend(moment.fn = Moment.prototype, { + /** + * 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; - clone : function () { - return moment(this); - }, + this.moveTo(options) + } + else { + console.log("This nodeId cannot be found."); + } + }; - valueOf : function () { - return +this._d + ((this._offset || 0) * 60000); - }, + /** + * + * @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 - unix : function () { - return Math.floor(+this / 1000); - }, + this.animateView(options); + }; - toString : function () { - return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); - }, + /** + * + * @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; + } - toDate : function () { - return this._offset ? new Date(+this) : this._d; - }, + // release if something focussed on the node + this.releaseNode(); + if (options.locked == true) { + this.lockedOnNodeId = options.lockedOnNode; + this.lockedOnNodeOffset = options.offset; + } - toISOString : function () { - var m = moment(this).utc(); - if (0 < m.year() && m.year() <= 9999) { - 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]'); - } - }, + // 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. + } - toArray : function () { - var m = this; - return [ - m.year(), - m.month(), - m.date(), - m.hours(), - m.minutes(), - m.seconds(), - m.milliseconds() - ]; - }, + this.sourceScale = this._getScale(); + this.sourceTranslation = this._getTranslation(); + this.targetScale = options.scale; - isValid : function () { - return isValid(this); - }, + // 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 + }; - isDSTShifted : function () { - if (this._a) { - return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0; - } + // 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(); + } + }; - return false; - }, - parsingFlags : function () { - return extend({}, this._pf); - }, + 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 + }; - invalidAt: function () { - return this._pf.overflow; - }, + this._setTranslation(targetTranslation.x,targetTranslation.y); + this._classicRedraw(); + } - utc : function (keepLocalTime) { - return this.zone(0, keepLocalTime); - }, + Network.prototype.releaseNode = function () { + if (this.lockedOnNodeId != null) { + this._redraw = this._classicRedraw; + this.lockedOnNodeId = null; + this.lockedOnNodeOffset = null; + } + } - local : function (keepLocalTime) { - if (this._isUTC) { - this.zone(0, keepLocalTime); - this._isUTC = false; + /** + * + * @param easingTime + * @private + */ + Network.prototype._transitionRedraw = function (easingTime) { + this.easingTime = easingTime || this.easingTime + this.animationSpeed; + this.easingTime += this.animationSpeed; - if (keepLocalTime) { - this.add(this._dateTzOffset(), 'm'); - } - } - return this; - }, + var progress = util.easingFunctions[this.animationEasingFunction](this.easingTime); - format : function (inputString) { - var output = formatMoment(this, inputString || moment.defaultFormat); - return this.localeData().postformat(output); - }, + 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 + ); - add : createAdder(1, 'add'), + this._classicRedraw(); + this.moving = true; - subtract : createAdder(-1, 'subtract'), + // 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"); + } + }; - diff : function (input, units, asFloat) { - var that = makeAs(input, this), - zoneDiff = (this.zone() - that.zone()) * 6e4, - diff, output, daysAdjust; + Network.prototype._classicRedraw = function () { + // placeholder function to be overloaded by animations; + }; - units = normalizeUnits(units); + /** + * Returns true when the Network is active. + * @returns {boolean} + */ + Network.prototype.isActive = function () { + return !this.activator || this.activator.active; + }; - 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); - }, - from : function (time, withoutSuffix) { - return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); - }, + /** + * Sets the scale + * @returns {Number} + */ + Network.prototype.setScale = function () { + return this._setScale(); + }; - fromNow : function (withoutSuffix) { - return this.from(moment(), withoutSuffix); - }, - 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)); - }, + /** + * Returns the scale + * @returns {Number} + */ + Network.prototype.getScale = function () { + return this._getScale(); + }; - isLeapYear : function () { - return isLeapYear(this.year()); - }, - isDST : function () { - return (this.zone() < this.clone().month(0).zone() || - this.zone() < this.clone().month(5).zone()); - }, + /** + * 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}); + }; - 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; - } - }, + module.exports = Network; - month : makeAccessor('Month', true), - 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 */ - } +/***/ }, +/* 49 */ +/***/ function(module, exports, __webpack_require__) { - // weeks are a special case - if (units === 'week') { - this.weekday(0); - } else if (units === 'isoWeek') { - this.isoWeekday(1); - } + var util = __webpack_require__(1); + var Node = __webpack_require__(50); - // quarters are also special - if (units === 'quarter') { - this.month(Math.floor(this.month() / 3) * 3); - } + /** + * @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']; - return this; - }, - endOf: function (units) { - units = normalizeUnits(units); - return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); - }, + this.network = network; - isAfter: function (input, units) { - units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); - if (units === 'millisecond') { - input = moment.isMoment(input) ? input : moment(input); - return +this > +input; - } else { - return +this.clone().startOf(units) > +moment(input).startOf(units); - } - }, + // 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; - isBefore: function (input, units) { - units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); - if (units === 'millisecond') { - input = moment.isMoment(input) ? input : moment(input); - return +this < +input; - } else { - return +this.clone().startOf(units) < +moment(input).startOf(units); - } - }, + this.from = null; // a node + this.to = null; // a node + this.via = null; // a temp node - isSame: function (input, units) { - units = normalizeUnits(units || 'millisecond'); - if (units === 'millisecond') { - input = moment.isMoment(input) ? input : moment(input); - return +this === +input; - } else { - return +this.clone().startOf(units) === +makeAs(input, this).startOf(units); - } - }, + // 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 = []; - 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; - } - ), + this.connected = false; - 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; - } - ), + this.widthFixed = false; + this.lengthFixed = false; - // 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; - }, + this.setProperties(properties); + + this.controlNodesEnabled = false; + this.controlNodes = {from:null, to:null, positions:{}}; + this.connectedNode = null; + } + + /** + * 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; + } - zoneAbbr : function () { - return this._isUTC ? 'UTC' : ''; - }, + var fields = ['style','fontSize','fontFace','fontColor','fontFill','width', + 'widthSelectionMultiplier','hoverWidth','arrowScaleFactor','dash','inheritColor' + ]; + util.selectiveDeepExtend(fields, this.options, properties); - zoneName : function () { - return this._isUTC ? 'Coordinated Universal Time' : ''; - }, + if (properties.from !== undefined) {this.fromId = properties.from;} + if (properties.to !== undefined) {this.toId = properties.to;} - parseZone : function () { - if (this._tzm) { - this.zone(this._tzm); - } else if (typeof this._i === 'string') { - this.zone(this._i); - } - return this; - }, + if (properties.id !== undefined) {this.id = properties.id;} + if (properties.label !== undefined) {this.label = properties.label; this.dirtyLabel = true;} - hasAlignedHourOffset : function (input) { - if (!input) { - input = 0; - } - else { - input = moment(input).zone(); - } + 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 (this.zone() - input) % 60 === 0; - }, + 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;} + } + } - daysInMonth : function () { - return daysInMonth(this.year(), this.month()); - }, + // A node is connected when it has a from and to node. + this.connect(); - 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'); - }, + this.widthFixed = this.widthFixed || (properties.width !== undefined); + this.lengthFixed = this.lengthFixed || (properties.length !== undefined); - quarter : function (input) { - return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); - }, + this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; - 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'); - }, + // 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; + } + }; - isoWeekYear : function (input) { - var year = weekOfYear(this, 1, 4).year; - return input == null ? year : this.add((input - year), 'y'); - }, + /** + * Connect an edge to its nodes + */ + Edge.prototype.connect = function () { + this.disconnect(); - week : function (input) { - var week = this.localeData().week(this); - return input == null ? week : this.add((input - week) * 7, 'd'); - }, + this.from = this.network.nodes[this.fromId] || null; + this.to = this.network.nodes[this.toId] || null; + this.connected = (this.from && this.to); - isoWeek : function (input) { - var week = weekOfYear(this, 1, 4).week; - return input == null ? week : this.add((input - week) * 7, 'd'); - }, + 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); + } + } + }; - weekday : function (input) { - var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; - return input == null ? weekday : this.add(input - weekday, 'd'); - }, + /** + * 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; + } - 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); - }, + this.connected = false; + }; - isoWeeksInYear : function () { - return weeksInYear(this.year(), 1, 4); - }, + /** + * 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; + }; - weeksInYear : function () { - var weekInfo = this.localeData()._week; - return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); - }, - get : function (units) { - units = normalizeUnits(units); - return this[units](); - }, + /** + * Retrieve the value of the edge. Can be undefined + * @return {Number} value + */ + Edge.prototype.getValue = function() { + return this.value; + }; - set : function (units, value) { - units = normalizeUnits(units); - if (typeof this[units] === 'function') { - this[units](value); - } - return this; - }, + /** + * 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; + } + }; - // 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; + /** + * 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 (key === undefined) { - return this._locale._abbr; - } else { - newLocaleData = moment.localeData(key); - if (newLocaleData != null) { - this._locale = newLocaleData; - } - return this; - } - }, + /** + * 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; - lang : deprecate( - 'moment().lang() is deprecated. Use moment().localeData() instead.', - function (key) { - if (key === undefined) { - return this.localeData(); - } else { - return this.locale(key); - } - } - ), + var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj); - localeData : function () { - return this._locale; - }, + return (dist < distMax); + } + else { + return false + } + }; - _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; - } - }); + 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 + }; + } - function rawMonthSetter(mom, value) { - var dayOfMonth; + if (this.selected == true) {return colorObj.highlight;} + else if (this.hover == true) {return colorObj.hover;} + else {return colorObj.color;} + }; - // 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; + /** + * Redraw a edge as a line + * Draw this edge in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + * @private + */ + Edge.prototype._drawLine = function(ctx) { + // set style + ctx.strokeStyle = this._getColor(); + ctx.lineWidth = this._getLineWidth(); + + if (this.from != this.to) { + // draw line + var via = this._line(ctx); + + // draw label + var point; + if (this.label) { + if (this.options.smoothCurves.enabled == true && via != null) { + var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); + var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); + point = {x:midpointX, y:midpointY}; + } + else { + point = this._pointOnLine(0.5); + } + this._label(ctx, this.label, point.x, point.y); + } + } + else { + var x, y; + var radius = this.physics.springLength / 4; + var node = this.from; + if (!node.width) { + node.resize(ctx); } + if (node.width > node.height) { + x = node.x + node.width / 2; + y = node.y - radius; + } + else { + x = node.x + radius; + y = node.y - node.height / 2; + } + this._circle(ctx, x, y, radius); + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + }; - function rawGetter(mom, unit) { - return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit](); + /** + * 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); + } + } + }; - function rawSetter(mom, unit, value) { - if (unit === 'Month') { - return rawMonthSetter(mom, value); - } else { - return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); + Edge.prototype._getViaCoordinates = function () { + var xVia = null; + var yVia = null; + var factor = this.options.smoothCurves.roundness; + var type = this.options.smoothCurves.type; + + var dx = Math.abs(this.from.x - this.to.x); + var dy = Math.abs(this.from.y - this.to.y); + if (type == 'discrete' || type == 'diagonalCross') { + if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + xVia = this.from.x + factor * dy; + yVia = this.from.y - factor * dy; + } + else if (this.from.x > this.to.x) { + xVia = this.from.x - factor * dy; + yVia = this.from.y - factor * dy; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + xVia = this.from.x + factor * dy; + yVia = this.from.y + factor * dy; + } + else if (this.from.x > this.to.x) { + xVia = this.from.x - factor * dy; + yVia = this.from.y + factor * dy; + } + } + if (type == "discrete") { + xVia = dx < factor * dy ? this.from.x : xVia; + } + } + else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + xVia = this.from.x + factor * dx; + yVia = this.from.y - factor * dx; + } + else if (this.from.x > this.to.x) { + xVia = this.from.x - factor * dx; + yVia = this.from.y - factor * dx; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + xVia = this.from.x + factor * dx; + yVia = this.from.y + factor * dx; + } + else if (this.from.x > this.to.x) { + xVia = this.from.x - factor * dx; + yVia = this.from.y + factor * dx; + } + } + if (type == "discrete") { + yVia = dy < factor * dx ? this.from.y : yVia; + } + } + } + else if (type == "straightCross") { + if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { // up - down + xVia = this.from.x; + if (this.from.y < this.to.y) { + yVia = this.to.y - (1-factor) * dy; + } + else { + yVia = this.to.y + (1-factor) * dy; + } + } + else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { // left - right + if (this.from.x < this.to.x) { + xVia = this.to.x - (1-factor) * dx; + } + else { + xVia = this.to.x + (1-factor) * dx; + } + yVia = this.from.y; + } + } + else if (type == 'horizontal') { + if (this.from.x < this.to.x) { + xVia = this.to.x - (1-factor) * dx; + } + else { + xVia = this.to.x + (1-factor) * dx; + } + yVia = this.from.y; + } + else if (type == 'vertical') { + xVia = this.from.x; + if (this.from.y < this.to.y) { + yVia = this.to.y - (1-factor) * dy; + } + else { + yVia = this.to.y + (1-factor) * dy; + } + } + else { // continuous + if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + // console.log(1) + xVia = this.from.x + factor * dy; + yVia = this.from.y - factor * dy; + xVia = this.to.x < xVia ? this.to.x : xVia; + } + else if (this.from.x > this.to.x) { + // console.log(2) + xVia = this.from.x - factor * dy; + yVia = this.from.y - factor * dy; + xVia = this.to.x > xVia ? this.to.x :xVia; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + // console.log(3) + xVia = this.from.x + factor * dy; + yVia = this.from.y + factor * dy; + xVia = this.to.x < xVia ? this.to.x : xVia; + } + else if (this.from.x > this.to.x) { + // console.log(4, this.from.x, this.to.x) + xVia = this.from.x - factor * dy; + yVia = this.from.y + factor * dy; + xVia = this.to.x > xVia ? this.to.x : xVia; + } + } + } + else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { + if (this.from.y > this.to.y) { + if (this.from.x < this.to.x) { + // console.log(5) + xVia = this.from.x + factor * dx; + yVia = this.from.y - factor * dx; + yVia = this.to.y > yVia ? this.to.y : yVia; + } + else if (this.from.x > this.to.x) { + // console.log(6) + xVia = this.from.x - factor * dx; + yVia = this.from.y - factor * dx; + yVia = this.to.y > yVia ? this.to.y : yVia; + } + } + else if (this.from.y < this.to.y) { + if (this.from.x < this.to.x) { + // console.log(7) + xVia = this.from.x + factor * dx; + yVia = this.from.y + factor * dx; + yVia = this.to.y < yVia ? this.to.y : yVia; + } + else if (this.from.x > this.to.x) { + // console.log(8) + xVia = this.from.x - factor * dx; + yVia = this.from.y + factor * dx; + yVia = this.to.y < yVia ? this.to.y : yVia; } + } } + } - 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); - } - }; - } - - 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; - - // add aliased format methods - moment.fn.toJSON = moment.fn.toISOString; - - /************************************ - Duration Prototype - ************************************/ + return {x:xVia, y:yVia}; + }; - function daysToYears (days) { - // 400 years have 146097 days (taking into account leap year rules) - return days * 400 / 146097; + /** + * 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; + } } - - function yearsToDays (years) { - // years * 365 + absRound(years / 4) - - // absRound(years / 100) + absRound(years / 400); - return years * 146097 / 400; + 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; + } + }; - extend(moment.duration.fn = Duration.prototype, { - - _bubble : function () { - var milliseconds = this._milliseconds, - days = this._days, - months = this._months, - data = this._data, - seconds, minutes, hours, years = 0; - - // The following code bubbles up values, see the tests for - // examples of what that means. - data.milliseconds = milliseconds % 1000; - - seconds = absRound(milliseconds / 1000); - data.seconds = seconds % 60; - - minutes = absRound(seconds / 60); - data.minutes = minutes % 60; - - hours = absRound(minutes / 60); - data.hours = hours % 24; - - days += absRound(hours / 24); - - // Accurately convert days to years, assume start from year 0. - years = absRound(daysToYears(days)); - days -= absRound(yearsToDays(years)); - - // 30 days to a month - // TODO (iskren): Use anchor date (like 1st Jan) to compute this. - months += absRound(days / 30); - days %= 30; - - // 12 months -> 1 year - years += absRound(months / 12); - months %= 12; - - 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); - - this._data.milliseconds = Math.abs(this._data.milliseconds); - this._data.seconds = Math.abs(this._data.seconds); - this._data.minutes = Math.abs(this._data.minutes); - this._data.hours = Math.abs(this._data.hours); - this._data.months = Math.abs(this._data.months); - this._data.years = Math.abs(this._data.years); - - return this; - }, + /** + * 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(); + }; - weeks : function () { - return absRound(this.days() / 7); - }, + /** + * Draw label with white background and with the middle at (x, y) + * @param {CanvasRenderingContext2D} ctx + * @param {String} text + * @param {Number} x + * @param {Number} y + * @private + */ + Edge.prototype._label = function (ctx, text, x, y) { + if (text) { + ctx.font = ((this.from.selected || this.to.selected) ? "bold " : "") + + this.options.fontSize + "px " + this.options.fontFace; + var yLine; - valueOf : function () { - return this._milliseconds + - this._days * 864e5 + - (this._months % 12) * 2592e6 + - toInt(this._months / 12) * 31536e6; - }, + 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; - humanize : function (withSuffix) { - var output = relativeTime(this, !withSuffix, this.localeData()); + 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 (withSuffix) { - output = this.localeData().pastFuture(+this, output); - } + // cache + this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; + } - return this.localeData().postformat(output); - }, - add : function (input, val) { - // supports only 2.0-style add(1, 's') or add(moment) - var dur = moment.duration(input, val); + 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); + } - this._milliseconds += dur._milliseconds; - this._days += dur._days; - this._months += dur._months; + // draw text + ctx.fillStyle = this.options.fontColor || "black"; + ctx.textAlign = "center"; + ctx.textBaseline = "middle"; + yLine = this.labelDimensions.yLine; + for (var i = 0; i < lineCount; i++) { + ctx.fillText(lines[i], x, yLine); + yLine += fontSize; + } + } + }; - this._bubble(); + /** + * Redraw a edge as a dashed line + * Draw this edge in the given canvas + * @author David Jordan + * @date 2012-08-08 + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + * @private + */ + Edge.prototype._drawDashLine = function(ctx) { + // set style + ctx.strokeStyle = this._getColor(); + ctx.lineWidth = this._getLineWidth(); - return this; - }, + var via = null; + // only firefox and chrome support this method, else we use the legacy one. + if (ctx.mozDash !== undefined || ctx.setLineDash !== undefined) { + // configure the dash pattern + var pattern = [0]; + if (this.options.dash.length !== undefined && this.options.dash.gap !== undefined) { + pattern = [this.options.dash.length,this.options.dash.gap]; + } + else { + pattern = [5,5]; + } - subtract : function (input, val) { - var dur = moment.duration(input, val); + // set dash settings for chrome or firefox + if (typeof ctx.setLineDash !== 'undefined') { //Chrome + ctx.setLineDash(pattern); + ctx.lineDashOffset = 0; - this._milliseconds -= dur._milliseconds; - this._days -= dur._days; - this._months -= dur._months; + } else { //Firefox + ctx.mozDash = pattern; + ctx.mozDashOffset = 0; + } - this._bubble(); + // draw the line + via = this._line(ctx); - return this; - }, + // restore the dash settings. + if (typeof ctx.setLineDash !== 'undefined') { //Chrome + ctx.setLineDash([0]); + ctx.lineDashOffset = 0; - get : function (units) { - units = normalizeUnits(units); - return this[units.toLowerCase() + 's'](); - }, + } 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(); + } - as : function (units) { - var days, months; - units = normalizeUnits(units); + // 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); + } + }; - 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 + 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); - } - } - }, + /** + * 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 + } + }; - lang : moment.fn.lang, - locale : moment.fn.locale, + /** + * Get a point on a circle + * @param {Number} x + * @param {Number} y + * @param {Number} radius + * @param {Number} percentage. Value between 0 (line start) and 1 (line end) + * @return {Object} point + * @private + */ + Edge.prototype._pointOnCircle = function (x, y, radius, percentage) { + var angle = (percentage - 3/8) * 2 * Math.PI; + return { + x: x + radius * Math.cos(angle), + y: y - radius * Math.sin(angle) + } + }; - toIsoString : deprecate( - 'toIsoString() is deprecated. Please use toISOString() instead ' + - '(notice the capitals)', - function () { - return this.toISOString(); - } - ), + /** + * Redraw a edge as a line with an arrow halfway the line + * Draw this edge in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + * @private + */ + Edge.prototype._drawArrowCenter = function(ctx) { + var point; + // set style + ctx.strokeStyle = this._getColor(); + ctx.lineWidth = this._getLineWidth(); - 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); + if (this.from != this.to) { + // draw line + var via = this._line(ctx); - if (!this.asSeconds()) { - // this is the same as C#'s (Noda) and python (isodate)... - // but not other JS (goog.date) - return 'P0D'; - } + 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); + } - 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' : ''); - }, + ctx.arrow(point.x, point.y, angle, length); + ctx.fill(); + ctx.stroke(); - localeData : function () { - return this._locale; - } - }); + // 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); - moment.duration.fn.toString = moment.duration.fn.toISOString; + // 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(); - function makeDurationGetter(name) { - moment.duration.fn[name] = function () { - return this._data[name]; - }; + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); } + } + }; - for (i in unitMillisecondFactors) { - if (hasOwnProp(unitMillisecondFactors, i)) { - makeDurationGetter(i.toLowerCase()); - } - } - 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'); - }; - /************************************ - Default Locale - ************************************/ + /** + * 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.lineWidth = this._getLineWidth(); + + 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; - // Set default locale, other locale will inherit from English. - moment.locale('en', { - 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; - } - }); + 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(); + } - /* EMBED_LOCALES */ + 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; - /************************************ - Exposing Moment - ************************************/ + 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 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.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(); - // 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; - } + // 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(); - return moment; - }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); - makeGlobal(true); - } else { - makeGlobal(); + // 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); } - }).call(this); - - /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(68)(module))) - -/***/ }, -/* 56 */ -/***/ function(module, exports, __webpack_require__) { + } + 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(); - 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 */ + // 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(); - (function(window, undefined) { - 'use strict'; + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + } + }; - /** - * @main - * @module hammer - * - * @class Hammer - * @static - */ - /** - * 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 || {}); - }; /** - * version, as defined in package.json - * the value will be set at each build - * @property VERSION - * @final - * @type {String} + * 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 */ - Hammer.VERSION = '1.1.3'; + Edge.prototype._getDistanceToEdge = function (x1,y1, x2,y2, x3,y3) { // x3,y3 is the point + var returnValue = 0; + if (this.from != this.to) { + if (this.options.smoothCurves.enabled == true) { + var xVia, yVia; + if (this.options.smoothCurves.enabled == true && this.options.smoothCurves.dynamic == true) { + xVia = this.via.x; + yVia = this.via.y; + } + else { + var via = this._getViaCoordinates(); + xVia = via.x; + yVia = via.y; + } + var minDistance = 1e9; + var distance; + var i,t,x,y, lastX, lastY; + for (i = 0; i < 10; i++) { + t = 0.1*i; + x = Math.pow(1-t,2)*x1 + (2*t*(1 - t))*xVia + Math.pow(t,2)*x2; + y = Math.pow(1-t,2)*y1 + (2*t*(1 - t))*yVia + Math.pow(t,2)*y2; + if (i > 0) { + distance = this._getDistanceToLine(lastX,lastY,x,y, x3,y3); + minDistance = distance < minDistance ? distance : minDistance; + } + lastX = x; lastY = y; + } + returnValue = minDistance; + } + else { + returnValue = this._getDistanceToLine(x1,y1,x2,y2,x3,y3); + } + } + else { + var x, y, dx, dy; + var radius = 0.25 * this.physics.springLength; + var node = this.from; + if (node.width > node.height) { + x = node.x + 0.5 * node.width; + y = node.y - radius; + } + else { + x = node.x + radius; + y = node.y - 0.5 * node.height; + } + dx = x - x3; + dy = y - y3; + returnValue = Math.abs(Math.sqrt(dx*dx + dy*dy) - radius); + } - /** - * default settings. - * more settings are defined per gesture at `/gestures`. Each gesture can be disabled/enabled - * by setting it's name (like `swipe`) to false. - * You can set the defaults for all instances by changing this object before creating an instance. - * @example - * ```` - * Hammer.defaults.drag = false; - * Hammer.defaults.behavior.touchAction = 'pan-y'; - * delete Hammer.defaults.behavior.userSelect; - * ```` - * @property defaults - * @type {Object} - */ - Hammer.defaults = { - /** - * this setting object adds styles and attributes to the element to prevent the browser from doing - * its native behavior. The css properties are auto prefixed for the browsers when needed. - * @property defaults.behavior - * @type {Object} - */ - behavior: { - /** - * Disables text selection to improve the dragging gesture. When the value is `none` it also sets - * `onselectstart=false` for IE on the element. Mainly for desktop browsers. - * @property defaults.behavior.userSelect - * @type {String} - * @default 'none' - */ - userSelect: 'none', + if (this.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; + } + }; - /** - * 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', + 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; - /** - * 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', + if (u > 1) { + u = 1; + } + else if (u < 0) { + u = 0; + } - /** - * Specifies whether zooming is enabled. Used by IE10> - * @property defaults.behavior.contentZooming - * @type {String} - * @default 'none' - */ - contentZooming: 'none', + var x = x1 + u * px, + y = y1 + u * py, + dx = x - x3, + dy = y - y3; - /** - * 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', + //# 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 - /** - * 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)' - } + return Math.sqrt(dx*dx + dy*dy); }; /** - * hammer document where the base events are added at - * @property DOCUMENT - * @type {HTMLElement} - * @default window.document + * This allows the zoom level of the network to influence the rendering + * + * @param scale */ - Hammer.DOCUMENT = document; + Edge.prototype.setScale = function(scale) { + this.networkScaleInv = 1.0/scale; + }; - /** - * 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); + Edge.prototype.select = function() { + this.selected = true; + }; - /** - * detect mobile browsers - * @property IS_MOBILE - * @type {Boolean} - */ - Hammer.IS_MOBILE = /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent); + Edge.prototype.unselect = function() { + this.selected = false; + }; - /** - * 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; + 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); + } + }; /** - * interval in which Hammer recalculates current velocity/direction/angle in ms - * @property CALCULATE_INTERVAL - * @type {Number} - * @default 25 + * This function draws the control nodes for the manipulator. In order to enable this, only set the this.controlNodesEnabled to true. + * @param ctx */ - Hammer.CALCULATE_INTERVAL = 25; + Edge.prototype._drawControlNodes = function(ctx) { + if (this.controlNodesEnabled == true) { + if (this.controlNodes.from === null && this.controlNodes.to === null) { + var nodeIdFrom = "edgeIdFrom:".concat(this.id); + var nodeIdTo = "edgeIdTo:".concat(this.id); + var constants = { + nodes:{group:'', radius:8}, + physics:{damping:0}, + clustering: {maxNodeSizeIncrements: 0 ,nodeScaling: {width:0, height: 0, radius:0}} + }; + this.controlNodes.from = new Node( + {id:nodeIdFrom, + shape:'dot', + color:{background:'#ff4e00', border:'#3c3c3c', highlight: {background:'#07f968'}} + },{},{},constants); + this.controlNodes.to = new Node( + {id:nodeIdTo, + shape:'dot', + color:{background:'#ff4e00', border:'#3c3c3c', highlight: {background:'#07f968'}} + },{},{},constants); + } + + if (this.controlNodes.from.selected == false && this.controlNodes.to.selected == false) { + this.controlNodes.positions = this.getControlNodePositions(ctx); + this.controlNodes.from.x = this.controlNodes.positions.from.x; + this.controlNodes.from.y = this.controlNodes.positions.from.y; + this.controlNodes.to.x = this.controlNodes.positions.to.x; + this.controlNodes.to.y = this.controlNodes.positions.to.y; + } + + this.controlNodes.from.draw(ctx); + this.controlNodes.to.draw(ctx); + } + else { + this.controlNodes = {from:null, to:null, positions:{}}; + } + }; /** - * 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 + * Enable control nodes. * @private - * @writeOnce - * @type {Object} */ - var EVENT_TYPES = {}; + Edge.prototype._enableControlNodes = function() { + this.controlNodesEnabled = true; + }; /** - * direction strings, for safe comparisons - * @property DIRECTION_DOWN|LEFT|UP|RIGHT - * @final - * @type {String} - * @default 'down' 'left' 'up' 'right' + * disable control nodes + * @private */ - 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'; + Edge.prototype._disableControlNodes = function() { + this.controlNodesEnabled = false; + }; /** - * pointertype strings, for safe comparisons - * @property POINTER_MOUSE|TOUCH|PEN - * @final - * @type {String} - * @default 'mouse' 'touch' 'pen' + * 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 */ - var POINTER_MOUSE = Hammer.POINTER_MOUSE = 'mouse'; - var POINTER_TOUCH = Hammer.POINTER_TOUCH = 'touch'; - var POINTER_PEN = Hammer.POINTER_PEN = 'pen'; + 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)); - /** - * eventtypes - * @property EVENT_START|MOVE|END|RELEASE|TOUCH - * @final - * @type {String} - * @default 'start' 'change' 'move' 'end' 'release' 'touch' - */ - var EVENT_START = Hammer.EVENT_START = 'start'; - var EVENT_MOVE = Hammer.EVENT_MOVE = 'move'; - var EVENT_END = Hammer.EVENT_END = 'end'; - var EVENT_RELEASE = Hammer.EVENT_RELEASE = 'release'; - var EVENT_TOUCH = Hammer.EVENT_TOUCH = 'touch'; + if (fromDistance < 15) { + this.connectedNode = this.from; + this.from = this.controlNodes.from; + return this.controlNodes.from; + } + else if (toDistance < 15) { + this.connectedNode = this.to; + this.to = this.controlNodes.to; + return this.controlNodes.to; + } + else { + return null; + } + }; - /** - * if the window events are set... - * @property READY - * @writeOnce - * @type {Boolean} - * @default false - */ - Hammer.READY = false; /** - * plugins namespace - * @property plugins - * @type {Object} + * this resets the control nodes to their original position. + * @private */ - Hammer.plugins = Hammer.plugins || {}; + Edge.prototype._restoreControlNodes = function() { + if (this.controlNodes.from.selected == true) { + this.from = this.connectedNode; + this.connectedNode = null; + this.controlNodes.from.unselect(); + } + if (this.controlNodes.to.selected == true) { + this.to = this.connectedNode; + this.connectedNode = null; + this.controlNodes.to.unselect(); + } + }; /** - * gestures namespace - * see `/gestures` for the definitions - * @property gestures - * @type {Object} + * 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: *}}} */ - Hammer.gestures = Hammer.gestures || {}; + 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; - /** - * setup events to detect gestures on the document - * this function is called when creating an new instance - * @private - */ - function setup() { - if(Hammer.READY) { - return; - } + var 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(); + } - // find what eventtypes we add listeners to - Event.determineEventTypes(); + 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; - // Register all gestures inside Hammer.gestures - Utils.each(Hammer.gestures, function(gesture) { - Detection.register(gesture); - }); + 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; + } - // Add touch events on the document - Event.onTouch(Hammer.DOCUMENT, EVENT_MOVE, Detection.detect); - Event.onTouch(Hammer.DOCUMENT, EVENT_END, Detection.detect); + return {from:{x:xFrom,y:yFrom},to:{x:xTo,y:yTo}}; + }; - // Hammer is ready...! - Hammer.READY = true; - } + module.exports = Edge; + +/***/ }, +/* 50 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); /** - * @module hammer + * @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 * - * @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; - }, + function Node(properties, imagelist, grouplist, networkConstants) { + var constants = util.selectiveBridgeObject(['nodes'],networkConstants); + this.options = constants.nodes; - /** - * 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); - }, + this.selected = false; + this.hover = false; - /** - * simple removeEventListener wrapper - * @method off - * @param {HTMLElement} element - * @param {String} type - * @param {Function} handler - */ - off: function off(element, type, handler) { - element.removeEventListener(type, handler, false); - }, + this.edges = []; // all edges connected to this node + this.dynamicEdges = []; + this.reroutedEdges = {}; - /** - * forEach over arrays and objects - * @method each - * @param {Object|Array} obj - * @param {Function} iterator - * @param {any} iterator.item - * @param {Number} iterator.index - * @param {Object|Array} iterator.obj the source object - * @param {Object} context value to use as `this` in the iterator - */ - each: function each(obj, iterator, context) { - var i, len; + this.fontDrawThreshold = 3; - // 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; - } - } - } - }, + // 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 - /** - * find if a string contains the string using indexOf - * @method inStr - * @param {String} src - * @param {String} find - * @return {Boolean} found - */ - inStr: function inStr(src, find) { - return src.indexOf(find) > -1; - }, - /** - * find if a array contains the object using indexOf or a simple polyfill - * @method inArray - * @param {String} src - * @param {String} find - * @return {Boolean|Number} false when not found, or the index - */ - inArray: function inArray(src, find) { - if(src.indexOf) { - var index = src.indexOf(find); - return (index === -1) ? false : index; - } else { - for(var i = 0, len = src.length; i < len; i++) { - if(src[i] === find) { - return i; - } - } - return false; - } - }, + this.imagelist = imagelist; + this.grouplist = grouplist; - /** - * 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); - }, + // 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}; - /** - * 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.setProperties(properties, constants); - /** - * 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; + // 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; - // 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 - }; - } + // 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; + } - Utils.each(touches, function(touch) { - pageX.push(touch.pageX); - pageY.push(touch.pageY); - clientX.push(touch.clientX); - clientY.push(touch.clientY); - }); + /** + * (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 = []; + }; - 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 - }; - }, + /** + * 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; + }; - /** - * 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 - }; - }, + /** + * 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; + }; - /** - * calculate the angle between two coordinates - * @method getAngle - * @param {Touch} touch1 - * @param {Touch} touch2 - * @return {Number} angle - */ - getAngle: function getAngle(touch1, touch2) { - var x = touch2.clientX - touch1.clientX, - y = touch2.clientY - touch1.clientY; - return Math.atan2(y, x) * 180 / Math.PI; - }, + /** + * 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; + } - /** - * 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 fields = ['borderWidth','borderWidthSelected','shape','image','brokenImage','radius','fontColor', + 'fontSize','fontFace','fontFill','group','mass' + ]; + util.selectiveDeepExtend(fields, this.options, properties); - if(x >= y) { - return touch1.clientX - touch2.clientX > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; - } - return touch1.clientY - touch2.clientY > 0 ? DIRECTION_UP : DIRECTION_DOWN; - }, + // 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;} - /** - * 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; + // 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;} - return Math.sqrt((x * x) + (y * y)); - }, + if (this.id === undefined) { + throw "Node must have an id"; + } - /** - * 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; - }, + // 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]; + } + } + } - /** - * 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; - }, - /** - * 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; - }, + // 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"; + } + } - /** - * 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); + if (properties.allowedToMoveX !== undefined) { + this.xFixed = !properties.allowedToMoveX; + this.allowedToMoveX = properties.allowedToMoveX; + } + else if (properties.x !== undefined && this.allowedToMoveX == false) { + this.xFixed = true; + } - for(var i = 0; i < prefixes.length; i++) { - var p = prop; - // prefixes - if(prefixes[i]) { - p = prefixes[i] + p.slice(0, 1).toUpperCase() + p.slice(1); - } - // test the style - if(p in element.style) { - element.style[p] = (toggle == null || toggle) && value || ''; - break; - } - } - }, + if (properties.allowedToMoveY !== undefined) { + this.yFixed = !properties.allowedToMoveY; + this.allowedToMoveY = properties.allowedToMoveY; + } + else if (properties.y !== undefined && this.allowedToMoveY == false) { + this.yFixed = true; + } - /** - * toggle browser default behavior by setting css properties. - * `userSelect='none'` also sets `element.onselectstart` to false - * `userDrag='none'` also sets `element.ondragstart` to false - * - * @method toggleBehavior - * @param {HtmlElement} element - * @param {Object} props - * @param {Boolean} [toggle=true] - */ - toggleBehavior: function toggleBehavior(element, props, toggle) { - if(!props || !element || !element.style) { - return; - } + this.radiusFixed = this.radiusFixed || (properties.radius !== undefined); - // set the css properties - Utils.each(props, function(value, prop) { - Utils.setPrefixedCss(element, prop, value, toggle); - }); + if (this.options.shape == 'image') { + this.options.radiusMin = constants.nodes.widthMin; + this.options.radiusMax = constants.nodes.widthMax; + } - var falseFn = toggle && function() { - return false; - }; - // also the disable onselectstart - if(props.userSelect == 'none') { - element.onselectstart = falseFn; - } - // and disable ondragstart - if(props.userDrag == 'none') { - element.ondragstart = falseFn; - } - }, - /** - * 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(); - }); - } - }; + // 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(); + }; /** - * @module hammer + * select this node */ + Node.prototype.select = function() { + this.selected = true; + this._reset(); + }; + /** - * @class Event - * @static + * unselect this node */ - var Event = Hammer.event = { - /** - * when touch events have been fired, this is true - * this is used to stop mouse events - * @property prevent_mouseevents - * @private - * @type {Boolean} - */ - preventMouseEvents: false, - - /** - * if EVENT_START has been fired - * @property started - * @private - * @type {Boolean} - */ - started: false, - - /** - * when the mouse is hold down, this is true - * @property should_detect - * @private - * @type {Boolean} - */ - shouldDetect: false, + Node.prototype.unselect = function() { + this.selected = false; + this._reset(); + }; - /** - * 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); - }); - }, - /** - * 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); - }); - }, + /** + * Reset the calculated size of the node, forces it to recalculate its size + */ + Node.prototype.clearSizeCache = function() { + this._reset(); + }; - /** - * 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; + /** + * Reset the calculated size of the node, forces it to recalculate its size + * @private + */ + Node.prototype._reset = function() { + this.width = undefined; + this.height = undefined; + }; - var onTouchHandler = function onTouchHandler(ev) { - var srcType = ev.type.toLowerCase(), - isPointer = Hammer.HAS_POINTEREVENTS, - isMouse = Utils.inStr(srcType, 'mouse'), - triggerType; + /** + * 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; + }; - // 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; + /** + * 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; - // 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.width) { + this.resize(ctx); + } - // update the pointer event before entering the detection - if(isPointer && eventType != EVENT_END) { - PointerEvent.updatePointer(eventType, ev); - } + switch (this.options.shape) { + case 'circle': + case 'dot': + return this.options.radius+ borderWidth; - // we are in a touch/down state, so allowed detection of gestures - if(self.shouldDetect) { - triggerType = self.doDetect.call(self, ev, eventType, element, handler); - } + 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); - // ...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 - } + // TODO: implement distanceToBorder for database + // TODO: implement distanceToBorder for triangle + // TODO: implement distanceToBorder for triangleDown - if(isPointer && eventType == EVENT_END) { - PointerEvent.updatePointer(eventType, ev); - } - }; + case 'box': + case 'image': + case 'text': + default: + if (this.width) { + return Math.min( + Math.abs(this.width / 2 / Math.cos(angle)), + Math.abs(this.height / 2 / Math.sin(angle))) + borderWidth; + // TODO: reckon with border radius too in case of box + } + else { + return 0; + } - this.on(element, EVENT_TYPES[eventType], onTouchHandler); - return onTouchHandler; - }, + } + // TODO: implement calculation of distance to border for all shapes + }; - /** - * 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; + /** + * 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; + }; - // 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; + /** + * 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; + }; - // keep track of how many touches have been removed - changedLength = touchList.length - ((ev.changedTouches) ? ev.changedTouches.length : 1); - } + /** + * 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; + } - // 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; - } + 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; + } + }; - // 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); - } + /** + * 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; + } - // trigger a change (TOUCH, RELEASE) event, this means the length of the touches changed - if(triggerChange) { - evData.changedLength = changedLength; - evData.eventType = triggerChange; + 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; + } + }; - handler.call(Detection, evData); + /** + * 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); + }; - evData.eventType = triggerType; - delete evData.changedLength; - } + /** + * 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); + }; - // trigger the END event - if(triggerType == EVENT_END) { - handler.call(Detection, evData); + /** + * check if this node is selecte + * @return {boolean} selected True if node is selected, else false + */ + Node.prototype.isSelected = function() { + return this.selected; + }; - // ...and we are done with the detection - // so reset everything to start each detection totally fresh - this.started = false; - } + /** + * Retrieve the value of the node. Can be undefined + * @return {Number} value + */ + Node.prototype.getValue = function() { + return this.value; + }; - return triggerType; - }, + /** + * Calculate the distance from the nodes location to the given location (x,y) + * @param {Number} x + * @param {Number} y + * @return {Number} value + */ + Node.prototype.getDistance = function(x, y) { + var dx = this.x - x, + dy = this.y - y; + return Math.sqrt(dx * dx + dy * dy); + }; - /** - * we 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' - ]; - } - EVENT_TYPES[EVENT_START] = types[0]; - EVENT_TYPES[EVENT_MOVE] = types[1]; - EVENT_TYPES[EVENT_END] = types[2]; - return EVENT_TYPES; - }, + /** + * 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; + }; - /** - * 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(); - } + /** + * 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"; + }; - // get the touchlist - if(ev.touches) { - if(eventType == EVENT_MOVE) { - return ev.touches; - } + /** + * Recalculate the size of this node in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + */ + Node.prototype.resize = function(ctx) { + throw "Resize method not initialized for node"; + }; - var identifiers = []; - var concat = [].concat(Utils.toArray(ev.touches), Utils.toArray(ev.changedTouches)); - var touchList = []; + /** + * 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); + }; - Utils.each(concat, function(touch) { - if(Utils.inArray(identifiers, touch.identifier) === false) { - touchList.push(touch); - } - identifiers.push(touch.identifier); - }); + Node.prototype._resizeImage = function (ctx) { + // TODO: pre calculate the image size - return touchList; - } + 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; - // make fake touchList from mouse position - ev.identifier = 1; - return [ev]; - }, + 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; + } + } - /** - * 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, + Node.prototype._drawImage = function (ctx) { + this._resizeImage(ctx); - /** - * 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(); - }, + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - /** - * stop bubbling the event up to its parents - */ - stopPropagation: function() { - this.srcEvent.stopPropagation(); - }, + 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); - /** - * immediately stop gesture detection - * might be useful after a swipe was detected - * @return {*} - */ - stopDetect: function() { - return Detection.stopDetect(); - } - }; + ctx.globalAlpha = 0.5; + ctx.drawImage(this.imageObj, this.left - lineWidth, this.top - lineWidth, this.width + 2*lineWidth, this.height + 2*lineWidth); } + + // 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._label(ctx, this.label, this.x, yLabel, undefined, "top"); }; - /** - * @module hammer - * - * @class PointerEvent - * @static - */ - var PointerEvent = Hammer.PointerEvent = { - /** - * holds all pointers, by `identifier` - * @property pointers - * @type {Object} - */ - pointers: {}, + 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; - /** - * 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; - }, + 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; - /** - * 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; - } + Node.prototype._drawBox = function (ctx) { + this._resizeBox(ctx); - var pt = ev.pointerType, - types = {}; + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - types[POINTER_MOUSE] = (pt === (ev.MSPOINTER_TYPE_MOUSE || POINTER_MOUSE)); - types[POINTER_TOUCH] = (pt === (ev.MSPOINTER_TYPE_TOUCH || POINTER_TOUCH)); - types[POINTER_PEN] = (pt === (ev.MSPOINTER_TYPE_PEN || POINTER_PEN)); - return types[pointerType]; - }, + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - /** - * reset the stored pointers - * @method reset - */ - reset: function resetList() { - this.pointers = {}; - } - }; + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - /** - * @module hammer - * - * @class Detection - * @static - */ - var Detection = Hammer.detection = { - // contains all registred Hammer.gestures in the correct order - gestures: [], + 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); - // data of the current Hammer.gesture detection session - current: null, + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.options.color.background; - // the previous Hammer.gesture session data - // is a full clone of the previous gesture.current object - previous: null, + ctx.roundRect(this.left, this.top, this.width, this.height, this.options.radius); + ctx.fill(); + ctx.stroke(); - // when this becomes true, no gestures are fired - stopped: false, + this._label(ctx, this.label, this.x, this.y); + }; - /** - * 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; + 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; - // 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 - }; + // 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; + } + }; - this.detect(eventData); - }, + Node.prototype._drawDatabase = function (ctx) { + this._resizeDatabase(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - /** - * Hammer.gesture detection - * @method detect - * @param {Object} eventData - * @return {any} - */ - detect: function detect(eventData) { - if(!this.current || this.stopped) { - return; - } + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - // extend event data with calculations about scale, distance etc - eventData = this.extendEventData(eventData); + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - // hammer instance and instance options - var inst = this.current.inst, - instOptions = inst.options; + // 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); - // 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); + 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); - // store as previous event event - if(this.current) { - this.current.lastEvent = eventData; - } + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; + ctx.database(this.x - this.width/2, this.y - this.height*0.5, this.width, this.height); + ctx.fill(); + ctx.stroke(); - if(eventData.eventType == EVENT_END) { - this.stopDetect(); - } + this._label(ctx, this.label, this.x, this.y); + }; - 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); + 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; - // reset the current - this.current = null; - this.stopped = true; - }, + this.width = diameter; + this.height = diameter; - /** - * 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; + // 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; + } + }; - if(calcEv && ev.timeStamp - calcEv.timeStamp > Hammer.CALCULATE_INTERVAL) { - center = calcEv.center; - deltaTime = ev.timeStamp - calcEv.timeStamp; - deltaX = ev.center.clientX - calcEv.center.clientX; - deltaY = ev.center.clientY - calcEv.center.clientY; - recalc = true; - } + Node.prototype._drawCircle = function (ctx) { + this._resizeCircle(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { - cur.futureCalcEvent = ev; - } + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - 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); + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - cur.lastCalcEvent = cur.futureCalcEvent || ev; - cur.futureCalcEvent = ev; - } + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - ev.velocityX = calcData.velocity.x; - ev.velocityY = calcData.velocity.y; - ev.interimAngle = calcData.angle; - ev.interimDirection = calcData.direction; - }, + 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); - /** - * 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; + 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(); - // 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 - }); - }); - } + this._label(ctx, this.label, this.x, this.y); + }; + + Node.prototype._resizeEllipse = function (ctx) { + if (!this.width) { + var textSize = this.getTextSize(ctx); + + this.width = textSize.width * 1.5; + this.height = textSize.height * 2; + if (this.width < this.height) { + this.width = this.height; + } + var defaultSize = this.width; - var deltaTime = ev.timeStamp - startEv.timeStamp, - deltaX = ev.center.clientX - startEv.center.clientX, - deltaY = ev.center.clientY - startEv.center.clientY; + // scaling used for clustering + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; + this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - defaultSize; + } + }; - this.getCalculatedData(ev, lastEv.center, deltaTime, deltaX, deltaY); + Node.prototype._drawEllipse = function (ctx) { + this._resizeEllipse(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - Utils.extend(ev, { - startEvent: startEv, + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; - deltaTime: deltaTime, - deltaX: deltaX, - deltaY: deltaY, + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; - 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) - }); + // 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 ev; - }, + 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); - /** - * register new gesture - * @method register - * @param {Object} gesture object, see `gestures/` for documentation - * @return {Array} gestures - */ - register: function register(gesture) { - // add an enable gesture options if there is no given - var options = gesture.defaults || {}; - if(options[gesture.name] === undefined) { - options[gesture.name] = true; - } + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; - // extend Hammer default options with the Hammer.gesture options - Utils.extend(Hammer.defaults, options, true); + ctx.ellipse(this.left, this.top, this.width, this.height); + ctx.fill(); + ctx.stroke(); + this._label(ctx, this.label, this.x, this.y); + }; - // set its index - gesture.index = gesture.index || 1000; + Node.prototype._drawDot = function (ctx) { + this._drawShape(ctx, 'circle'); + }; - // add Hammer.gesture to the list - this.gestures.push(gesture); + Node.prototype._drawTriangle = function (ctx) { + this._drawShape(ctx, 'triangle'); + }; - // sort the list by index - this.gestures.sort(function(a, b) { - if(a.index < b.index) { - return -1; - } - if(a.index > b.index) { - return 1; - } - return 0; - }); + Node.prototype._drawTriangleDown = function (ctx) { + this._drawShape(ctx, 'triangleDown'); + }; - return this.gestures; - } + Node.prototype._drawSquare = function (ctx) { + this._drawShape(ctx, 'square'); }; + Node.prototype._drawStar = function (ctx) { + this._drawShape(ctx, 'star'); + }; - /** - * @module hammer - */ + 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; - /** - * create new hammer instance - * all methods should return the instance itself, so it is chainable. - * - * @class Instance - * @constructor - * @param {HTMLElement} element - * @param {Object} [options={}] options are merged with `Hammer.defaults` - * @return {Hammer.Instance} - */ - Hammer.Instance = function(element, options) { - var self = this; + // 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; + } + }; - // setup HammerJS window events and register all gestures - // this also sets up the default options - setup(); + Node.prototype._drawShape = function (ctx, shape) { + this._resizeShape(ctx); - /** - * @property element - * @type {HTMLElement} - */ - this.element = element; + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - /** - * @property enabled - * @type {Boolean} - * @protected - */ - this.enabled = true; + var clusterLineWidth = 2.5; + var borderWidth = this.options.borderWidth; + var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; + var radiusMultiplier = 2; - /** - * options, merged with the defaults - * options with an _ are converted to camelCase - * @property options - * @type {Object} - */ - Utils.each(options, function(value, name) { - delete options[name]; - options[Utils.toCamelCase(name)] = value; - }); + // choose draw method depending on the shape + switch (shape) { + case 'dot': radiusMultiplier = 2; break; + case 'square': radiusMultiplier = 2; break; + case 'triangle': radiusMultiplier = 3; break; + case 'triangleDown': radiusMultiplier = 3; break; + case 'star': radiusMultiplier = 4; break; + } - this.options = Utils.extend(Utils.extend({}, Hammer.defaults), options || {}); + ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - // add some css to the element to prevent the browser from doing its native behavoir - if(this.options.behavior) { - Utils.toggleBehavior(this.element, this.options.behavior, true); - } + ctx[shape](this.x, this.y, this.options.radius+ radiusMultiplier * ctx.lineWidth); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.networkScaleInv; + ctx.lineWidth = Math.min(this.width,ctx.lineWidth); - /** - * event start handler on the element to start the detection - * @property eventStartHandler - * @type {Object} - */ - this.eventStartHandler = Event.onTouch(element, EVENT_START, function(ev) { - if(self.enabled && ev.eventType == EVENT_START) { - Detection.startDetect(self, ev); - } else if(ev.eventType == EVENT_TOUCH) { - Detection.detect(ev); - } - }); + ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; + ctx[shape](this.x, this.y, this.options.radius); + ctx.fill(); + ctx.stroke(); - /** - * keep a list of user event handlers which needs to be removed when calling 'dispose' - * @property eventHandlers - * @type {Array} - */ - this.eventHandlers = []; + if (this.label) { + this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'top',true); + } }; - Hammer.Instance.prototype = { - /** - * bind events to the instance - * @method on - * @chainable - * @param {String} gestures multiple gestures by splitting with a space - * @param {Function} handler - * @param {Object} handler.ev event object - */ - on: function onEvent(gestures, handler) { - var self = this; - Event.on(self.element, gestures, handler, function(type) { - self.eventHandlers.push({ gesture: type, handler: handler }); - }); - return self; - }, + Node.prototype._resizeText = function (ctx) { + if (!this.width) { + var margin = 5; + var textSize = this.getTextSize(ctx); + this.width = textSize.width + 2 * margin; + this.height = textSize.height + 2 * margin; - /** - * unbind events to the instance - * @method off - * @chainable - * @param {String} gestures - * @param {Function} handler - */ - off: function offEvent(gestures, handler) { - var self = this; + // scaling used for clustering + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; + this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - (textSize.width + 2 * margin); + } + }; - Event.off(self.element, gestures, handler, function(type) { - var index = Utils.inArray({ gesture: type, handler: handler }); - if(index !== false) { - self.eventHandlers.splice(index, 1); - } - }); - return self; - }, + Node.prototype._drawText = function (ctx) { + this._resizeText(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; - /** - * trigger gesture event - * @method trigger - * @chainable - * @param {String} gesture - * @param {Object} [eventData] - */ - trigger: function triggerEvent(gesture, eventData) { - // optional - if(!eventData) { - eventData = {}; - } + this._label(ctx, this.label, this.x, this.y); + }; - // create DOM event - var event = Hammer.DOCUMENT.createEvent('Event'); - event.initEvent(gesture, true, true); - event.gesture = eventData; - // 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; - } + 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; - element.dispatchEvent(event); - return this; - }, + 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); + } - /** - * enable of disable hammer.js detection - * @method enable - * @chainable - * @param {Boolean} state - */ - enable: function enable(state) { - this.enabled = state; - return this; - }, + // font fill from edges now for nodes! + var width = ctx.measureText(lines[0]).width; + for (var i = 1; i < lineCount; i++) { + var lineWidth = ctx.measureText(lines[i]).width; + width = lineWidth > width ? lineWidth : width; + } + var height = this.options.fontSize * lineCount; + var left = x - width / 2; + var top = y - height / 2; + if (baseline == "top") { + top += 0.5 * fontSize; + } + this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; - /** - * dispose this hammer instance - * @method dispose - * @return {Null} - */ - dispose: function dispose() { - var i, eh; + // 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); + } - // undo all changes made by stop_browser_behavior - Utils.toggleBehavior(this.element, this.options.behavior, false); + // 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; + } + } + }; - // unbind all custom event handlers - for(i = -1; (eh = this.eventHandlers[++i]);) { - Utils.off(this.element, eh.gesture, eh.handler); - } - this.eventHandlers = []; + Node.prototype.getTextSize = function(ctx) { + if (this.label !== undefined) { + ctx.font = (this.selected ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; - // unbind the start event listener - Event.off(this.element, EVENT_TYPES[EVENT_START], this.eventStartHandler); + var lines = this.label.split('\n'), + height = (Number(this.options.fontSize) + 4) * lines.length, + width = 0; - return null; + for (var i = 0, iMax = lines.length; i < iMax; i++) { + width = Math.max(width, ctx.measureText(lines[i]).width); } - }; + return {"width": width, "height": height}; + } + else { + return {"width": 0, "height": 0}; + } + }; /** - * @module gestures - */ - /** - * Move with x fingers (default 1) around on the page. - * Preventing the default browser behavior is a good way to improve feel and working. - * ```` - * hammertime.on("drag", function(ev) { - * console.log(ev); - * ev.gesture.preventDefault(); - * }); - * ```` + * this is used to determine if a node is visible at all. this is used to determine when it needs to be drawn. + * there is a safety margin of 0.3 * width; * - * @class Drag - * @static - */ - /** - * @event drag - * @param {Object} ev - */ - /** - * @event dragstart - * @param {Object} ev - */ - /** - * @event dragend - * @param {Object} ev - */ - /** - * @event drapleft - * @param {Object} ev - */ - /** - * @event dragright - * @param {Object} ev - */ - /** - * @event dragup - * @param {Object} ev + * @returns {boolean} */ + Node.prototype.inArea = function() { + if (this.width !== undefined) { + return (this.x + this.width *this.networkScaleInv >= this.canvasTopLeft.x && + this.x - this.width *this.networkScaleInv < this.canvasBottomRight.x && + this.y + this.height*this.networkScaleInv >= this.canvasTopLeft.y && + this.y - this.height*this.networkScaleInv < this.canvasBottomRight.y); + } + else { + return true; + } + }; + /** - * @event dragdown - * @param {Object} ev + * checks if the core of the node is in the display area, this is used for opening clusters around zoom + * @returns {boolean} */ + Node.prototype.inView = function() { + return (this.x >= this.canvasTopLeft.x && + this.x < this.canvasBottomRight.x && + this.y >= this.canvasTopLeft.y && + this.y < this.canvasBottomRight.y); + }; /** - * @param {String} name + * This allows the zoom level of the network to influence the rendering + * We store the inverted scale and the coordinates of the top left, and bottom right points of the canvas + * + * @param scale + * @param canvasTopLeft + * @param canvasBottomRight */ - (function(name) { - var triggered = false; - - function dragGesture(ev, inst) { - var cur = Detection.current; - - // max touches - if(inst.options.dragMaxTouches > 0 && - ev.touches.length > inst.options.dragMaxTouches) { - return; - } - - 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; - } - } + Node.prototype.setScaleAndPos = function(scale,canvasTopLeft,canvasBottomRight) { + this.networkScaleInv = 1.0/scale; + this.networkScale = scale; + this.canvasTopLeft = canvasTopLeft; + this.canvasBottomRight = canvasBottomRight; + }; - // first time, trigger dragstart event - if(!triggered) { - inst.trigger(name + 'start', ev); - triggered = true; - } - // trigger events - inst.trigger(name, ev); - inst.trigger(name + ev.direction, ev); + /** + * This allows the zoom level of the network to influence the rendering + * + * @param scale + */ + Node.prototype.setScale = function(scale) { + this.networkScaleInv = 1.0/scale; + this.networkScale = scale; + }; - var isVertical = Utils.isVertical(ev.direction); - // block the browser events - if((inst.options.dragBlockVertical && isVertical) || - (inst.options.dragBlockHorizontal && !isVertical)) { - ev.preventDefault(); - } - break; - case EVENT_RELEASE: - if(triggered && ev.changedLength <= inst.options.dragMaxTouches) { - inst.trigger(name + 'end', ev); - triggered = false; - } - break; + /** + * 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; + }; - 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, + /** + * Basic preservation of (kinectic) energy + * + * @param massBeforeClustering + */ + Node.prototype.updateVelocity = function(massBeforeClustering) { + var energyBefore = this.vx * this.vx * massBeforeClustering; + //this.vx = (this.vx < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); + this.vx = Math.sqrt(energyBefore/this.options.mass); + energyBefore = this.vy * this.vy * massBeforeClustering; + //this.vy = (this.vy < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); + this.vy = Math.sqrt(energyBefore/this.options.mass); + }; - /** - * 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, + module.exports = Node; - /** - * 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, +/***/ }, +/* 51 */ +/***/ function(module, exports, __webpack_require__) { - /** - * same as `dragBlockHorizontal`, but for vertical movement - * @property dragBlockVertical - * @type {Boolean} - * @default false - */ - dragBlockVertical: false, + var util = __webpack_require__(1); - /** - * 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, + /** + * @class Groups + * This class can store groups and properties specific for groups. + */ + function Groups() { + this.clear(); + this.defaultIndex = 0; + } - /** - * 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'); /** - * @module gestures + * 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 + ]; + + /** - * trigger a simple gesture event, so you can do anything in your handler. - * only usable if you know what your doing... - * - * @class Gesture - * @static + * 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; + } + }; + + /** - * @event gesture - * @param {Object} ev + * 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 */ - Hammer.gestures.Gesture = { - name: 'gesture', - index: 1337, - handler: function releaseGesture(ev, inst) { - inst.trigger(this.name, ev); - } + Groups.prototype.get = function (groupname) { + var group = this.groups[groupname]; + if (group == undefined) { + // create new group + var index = this.defaultIndex % Groups.DEFAULT.length; + this.defaultIndex++; + group = {}; + group.color = Groups.DEFAULT[index]; + this.groups[groupname] = group; + } + + return group; }; /** - * @module gestures + * 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; + }; + + module.exports = Groups; + + +/***/ }, +/* 52 */ +/***/ function(module, exports, __webpack_require__) { + /** - * Touch stays at the same place for x time - * - * @class Hold - * @static + * @class Images + * This class loads images and keeps them stored. */ + function Images() { + this.images = {}; + + this.callback = undefined; + } + /** - * @event hold - * @param {Object} ev + * 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; + }; /** - * @param {String} name + * + * @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 */ - (function(name) { - var timer; + 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; + } - function holdGesture(ev, inst) { - var options = inst.options, - current = Detection.current; + return img; + }; - switch(ev.eventType) { - case EVENT_START: - clearTimeout(timer); + module.exports = Images; - // 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; +/***/ }, +/* 53 */ +/***/ function(module, exports, __webpack_require__) { - case EVENT_MOVE: - if(ev.distance > options.holdThreshold) { - clearTimeout(timer); - } - 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_RELEASE: - 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' } + } } + } - Hammer.gestures.Hold = { - name: name, - index: 10, - defaults: { - /** - * @property holdTimeout - * @type {Number} - * @default 500 - */ - holdTimeout: 500, + this.x = 0; + this.y = 0; + this.padding = 5; - /** - * movement allowed while holding - * @property holdThreshold - * @type {Number} - * @default 2 - */ - holdThreshold: 2 - }, - handler: holdGesture - }; - })('hold'); + if (x !== undefined && y !== undefined ) { + this.setPosition(x, y); + } + if (text !== undefined) { + this.setText(text); + } + + // create the frame + this.frame = document.createElement("div"); + var styleAttr = this.frame.style; + styleAttr.position = "absolute"; + styleAttr.visibility = "hidden"; + styleAttr.border = "1px solid " + style.color.border; + styleAttr.color = style.fontColor; + styleAttr.fontSize = style.fontSize + "px"; + styleAttr.fontFamily = style.fontFace; + styleAttr.padding = this.padding + "px"; + styleAttr.backgroundColor = style.color.background; + styleAttr.borderRadius = "3px"; + styleAttr.MozBorderRadius = "3px"; + styleAttr.WebkitBorderRadius = "3px"; + styleAttr.boxShadow = "3px 3px 10px rgba(128, 128, 128, 0.5)"; + styleAttr.whiteSpace = "nowrap"; + this.container.appendChild(this.frame); + } /** - * @module gestures + * @param {number} x Horizontal position of the popup window + * @param {number} y Vertical position of the popup window */ + Popup.prototype.setPosition = function(x, y) { + this.x = parseInt(x); + this.y = parseInt(y); + }; + /** - * when a touch is being released from the page - * - * @class Release - * @static + * Set the content for the popup window. This can be HTML code or text. + * @param {string | Element} content */ + Popup.prototype.setText = function(content) { + if (content instanceof Element) { + this.frame.innerHTML = ''; + this.frame.appendChild(content); + } + else { + this.frame.innerHTML = content; // string containing text or HTML + } + }; + /** - * @event release - * @param {Object} ev + * Show the popup window + * @param {boolean} show Optional. Show or hide the window */ - Hammer.gestures.Release = { - name: 'release', - index: Infinity, - handler: function releaseGesture(ev, inst) { - if(ev.eventType == EVENT_RELEASE) { - inst.trigger(this.name, 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; } + + this.frame.style.left = left + "px"; + this.frame.style.top = top + "px"; + this.frame.style.visibility = "visible"; + } + else { + this.hide(); + } }; /** - * @module gestures + * Hide the popup window */ + Popup.prototype.hide = function () { + this.frame.style.visibility = "hidden"; + }; + + module.exports = Popup; + + +/***/ }, +/* 54 */ +/***/ function(module, exports, __webpack_require__) { + /** - * 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(); - * }); - * ```` + * 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. * - * @class Swipe - * @static + * 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(); + } + + // token types enumeration + var TOKENTYPE = { + NULL : 0, + DELIMITER : 1, + IDENTIFIER: 2, + UNKNOWN : 3 + }; + + // map with all delimiters + var DELIMITERS = { + '{': true, + '}': true, + '[': true, + ']': true, + ';': true, + '=': true, + ',': true, + + '->': true, + '--': true + }; + + var dot = ''; // current dot file + var index = 0; // current index in dot file + var c = ''; // current token character in expr + var token = ''; // current token + var tokenType = TOKENTYPE.NULL; // type of the token + + /** + * Get the first character from the dot file. + * The character is stored into the char c. If the end of the dot file is + * reached, the function puts an empty string in c. */ + function first() { + index = 0; + c = dot.charAt(0); + } + /** - * @event swipe - * @param {Object} ev + * 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); + } + /** - * @event swipeleft - * @param {Object} ev + * Preview the next character from the dot file. + * @return {String} cNext */ + function nextPreview() { + return dot.charAt(index + 1); + } + /** - * @event swiperight - * @param {Object} ev + * 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); + } + /** - * @event swipeup - * @param {Object} ev + * 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 = {}; + } + + if (b) { + for (var name in b) { + if (b.hasOwnProperty(name)) { + a[name] = b[name]; + } + } + } + return a; + } + /** - * @event swipedown - * @param {Object} ev + * 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 */ - Hammer.gestures.Swipe = { - name: 'swipe', - index: 40, - defaults: { - /** - * @property swipeMinTouches - * @type {Number} - * @default 1 - */ - swipeMinTouches: 1, + 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; + } + } + } - /** - * @property swipeMaxTouches - * @type {Number} - * @default 1 - */ - swipeMaxTouches: 1, + /** + * 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; - /** - * horizontal swipe velocity - * @property swipeVelocityX - * @type {Number} - * @default 0.6 - */ - swipeVelocityX: 0.6, + // 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; + } - /** - * vertical swipe velocity - * @property swipeVelocityY - * @type {Number} - * @default 0.6 - */ - swipeVelocityY: 0.6 - }, + // 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; + } + } + } - handler: function swipeGesture(ev, inst) { - if(ev.eventType == EVENT_RELEASE) { - var touches = ev.touches.length, - options = inst.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); + } + } - // max touches - if(touches < options.swipeMinTouches || - touches > options.swipeMaxTouches) { - return; - } + // add node to this (sub)graph and all its parent graphs + for (i = graphs.length - 1; i >= 0; i--) { + var g = graphs[i]; - // 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); - } - } + 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); + } + } /** - * @module gestures - */ - /** - * Single tap and a double tap on a place - * - * @class Tap - * @static - */ - /** - * @event tap - * @param {Object} ev - */ - /** - * @event doubletap - * @param {Object} ev + * 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 + } + } /** - * @param {String} name + * 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(name) { - var hasMoved = false; + function createEdge(graph, from, to, type, attr) { + var edge = { + from: from, + to: to, + type: type + }; - function tapGesture(ev, inst) { - var options = inst.options, - current = Detection.current, - prev = Detection.previous, - sincePrev, - didDoubleTap; + if (graph.edge) { + edge.attr = merge({}, graph.edge); // clone default attributes + } + edge.attr = merge(edge.attr || {}, attr); // merge attributes - switch(ev.eventType) { - case EVENT_START: - hasMoved = false; - break; + return edge; + } - case EVENT_MOVE: - hasMoved = hasMoved || (ev.distance > options.tapMaxDistance); - break; + /** + * 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 = ''; - 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; + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); + } - // check if double tap - if(prev && prev.name == name && - (sincePrev && sincePrev < options.doubleTapInterval) && - ev.distance < options.doubleTapDistance) { - inst.trigger('doubletap', ev); - didDoubleTap = true; - } + do { + var isComment = false; - // do a single tap - if(!didDoubleTap || options.tapAlways) { - current.name = name; - inst.trigger(current.name, ev); - } - } - break; + // skip comment + if (c == '#') { + // find the previous non-space character + var i = index - 1; + while (dot.charAt(i) == ' ' || dot.charAt(i) == '\t') { + i--; + } + if (dot.charAt(i) == '\n' || dot.charAt(i) == '') { + // the # is at the start of a line, this is indeed a line comment + while (c != '' && c != '\n') { + next(); + } + isComment = true; + } + } + if (c == '/' && nextPreview() == '/') { + // skip line comment + while (c != '' && c != '\n') { + next(); + } + isComment = true; + } + if (c == '/' && nextPreview() == '*') { + // skip block comment + while (c != '') { + if (c == '*' && nextPreview() == '/') { + // end of block comment found. skip these last two characters + next(); + next(); + break; + } + else { + next(); } + } + isComment = true; } - 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, + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); + } + } + while (isComment); - /** - * max distance of movement of a tap, this is for the slow tappers - * @property tapMaxDistance - * @type {Number} - * @default 10 - */ - tapMaxDistance: 10, + // check for end of dot file + if (c == '') { + // token is still empty + tokenType = TOKENTYPE.DELIMITER; + return; + } - /** - * always trigger the `tap` event, even while double-tapping - * @property tapAlways - * @type {Boolean} - * @default true - */ - tapAlways: true, + // check for delimiters consisting of 2 characters + var c2 = c + nextPreview(); + if (DELIMITERS[c2]) { + tokenType = TOKENTYPE.DELIMITER; + token = c2; + next(); + next(); + return; + } - /** - * max distance between two taps - * @property doubleTapDistance - * @type {Number} - * @default 20 - */ - doubleTapDistance: 20, + // check for delimiters consisting of 1 character + if (DELIMITERS[c]) { + tokenType = TOKENTYPE.DELIMITER; + token = c; + next(); + return; + } - /** - * max time between two taps - * @property doubleTapInterval - * @type {Number} - * @default 300 - */ - doubleTapInterval: 300 - } - }; - })('tap'); + // check for an identifier (number or string) + // TODO: more precise parsing of numbers/strings (and the port separator ':') + if (isAlphaNumeric(c) || c == '-') { + token += c; + next(); + + while (isAlphaNumeric(c)) { + token += c; + next(); + } + if (token == 'false') { + token = false; // convert to boolean + } + else if (token == 'true') { + token = true; // convert to boolean + } + else if (!isNaN(Number(token))) { + token = Number(token); // convert to number + } + tokenType = TOKENTYPE.IDENTIFIER; + return; + } + + // 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; + } + + // 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) + '"'); + } /** - * @module gestures - */ - /** - * when a touch is being touched at the page - * - * @class Touch - * @static - */ - /** - * @event touch - * @param {Object} ev + * Parse a graph. + * @returns {Object} graph */ - 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, + function parseGraph() { + var graph = {}; - /** - * 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; - } + first(); + getToken(); - if(inst.options.preventDefault) { - ev.preventDefault(); - } + // optional strict keyword + if (token == 'strict') { + graph.strict = true; + getToken(); + } + + // graph or digraph keyword + if (token == 'graph' || token == 'digraph') { + graph.type = token; + getToken(); + } + + // optional graph id + if (tokenType == TOKENTYPE.IDENTIFIER) { + graph.id = token; + getToken(); + } + + // open angle bracket + if (token != '{') { + throw newSyntaxError('Angle bracket { expected'); + } + getToken(); + + // statements + parseStatements(graph); + + // close angle bracket + if (token != '}') { + throw newSyntaxError('Angle bracket } expected'); + } + getToken(); + + // end of file + if (token !== '') { + throw newSyntaxError('End of file expected'); + } + getToken(); + + // remove temporary default properties + delete graph.node; + delete graph.edge; + delete graph.graph; - if(ev.eventType == EVENT_TOUCH) { - inst.trigger('touch', ev); - } - } - }; + return graph; + } /** - * @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 + * Parse a list with statements. + * @param {Object} graph */ + function parseStatements (graph) { + while (token !== '' && token != '}') { + parseStatement(graph); + if (token == ';') { + getToken(); + } + } + } /** - * @param {String} name + * 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(name) { - var triggered = false; + function parseStatement(graph) { + // parse subgraph + var subgraph = parseSubgraph(graph); + if (subgraph) { + // edge statements + parseEdge(graph, subgraph); - function transformGesture(ev, inst) { - switch(ev.eventType) { - case EVENT_START: - triggered = false; - break; + return; + } - case EVENT_MOVE: - // at least multitouch - if(ev.touches.length < 2) { - return; - } + // parse an attribute statement + var attr = parseAttributeStatement(graph); + if (attr) { + return; + } - var scaleThreshold = Math.abs(1 - ev.scale); - var rotationThreshold = Math.abs(ev.rotation); + // parse node + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier expected'); + } + var id = token; // id can be a string or a number + getToken(); - // when the distance we moved is too small we skip this gesture - // or we can be already in dragging - if(scaleThreshold < inst.options.transformMinScale && - rotationThreshold < inst.options.transformMinRotation) { - return; - } + if (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); + } + } - // we are transforming! - Detection.current.name = name; + /** + * Parse a subgraph + * @param {Object} graph parent graph object + * @return {Object | null} subgraph + */ + function parseSubgraph (graph) { + var subgraph = null; - // first time, trigger dragstart event - if(!triggered) { - inst.trigger(name + 'start', ev); - triggered = true; - } + // optional subgraph keyword + if (token == 'subgraph') { + subgraph = {}; + subgraph.type = 'subgraph'; + getToken(); - inst.trigger(name, ev); // basic transform event + // optional graph id + if (tokenType == TOKENTYPE.IDENTIFIER) { + subgraph.id = token; + getToken(); + } + } - // trigger rotate event - if(rotationThreshold > inst.options.transformMinRotation) { - inst.trigger('rotate', ev); - } + // open angle bracket + if (token == '{') { + getToken(); - // trigger pinch event - if(scaleThreshold > inst.options.transformMinScale) { - inst.trigger('pinch', ev); - inst.trigger('pinch' + (ev.scale < 1 ? 'in' : 'out'), ev); - } - break; + if (!subgraph) { + subgraph = {}; + } + subgraph.parent = graph; + subgraph.node = graph.node; + subgraph.edge = graph.edge; + subgraph.graph = graph.graph; - case EVENT_RELEASE: - if(triggered && ev.changedLength < 2) { - inst.trigger(name + 'end', ev); - triggered = false; - } - break; - } + // statements + parseStatements(subgraph); + + // close angle bracket + if (token != '}') { + throw newSyntaxError('Angle bracket } expected'); } + getToken(); - 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, + // remove temporary default properties + delete subgraph.node; + delete subgraph.edge; + delete subgraph.graph; + delete subgraph.parent; - /** - * rotation in degrees - * @property transformMinRotation - * @type {Number} - * @default 1 - */ - transformMinRotation: 1 - }, + // register at the parent graph + if (!graph.subgraphs) { + graph.subgraphs = []; + } + graph.subgraphs.push(subgraph); + } - handler: transformGesture - }; - })('transform'); + return subgraph; + } /** - * @module hammer + * 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(); - // 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; - } + // node attributes + graph.node = parseAttributeList(); + return 'node'; + } + else if (token == 'edge') { + getToken(); - })(window); + // edge attributes + graph.edge = parseAttributeList(); + return 'edge'; + } + else if (token == 'graph') { + getToken(); -/***/ }, -/* 57 */ -/***/ function(module, exports, __webpack_require__) { + // graph attributes + graph.graph = parseAttributeList(); + return 'graph'; + } + + return null; + } /** - * Creation of the ClusterMixin var. - * - * This contains all the functions the Network object can use to employ clustering + * 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); + } /** - * 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); + * 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(); - // updates the lables after clustering - this.updateLabels(); + 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(); + } - // 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(); - }; + // parse edge attributes + var attr = parseAttributeList(); + + // create edge + var edge = createEdge(graph, from, to, type, attr); + addEdge(graph, edge); + + from = to; + } + } /** - * This function clusters until the initialMaxNodes has been reached - * - * @param {Number} maxNumberOfNodes - * @param {Boolean} reposition + * Parse a set with attributes, + * for example [label="1.000", shape=solid] + * @return {Object | null} attr */ - exports.clusterToFit = function(maxNumberOfNodes, reposition) { - var numberOfNodes = this.nodeIndices.length; + function parseAttributeList() { + var attr = null; - var maxLevels = 50; - var level = 0; + while (token == '[') { + getToken(); + attr = {}; + while (token !== '' && token != ']') { + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Attribute name expected'); + } + var name = token; - // 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 + 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 + + getToken(); + if (token ==',') { + getToken(); + } } - numberOfNodes = this.nodeIndices.length; - level += 1; + if (token != ']') { + throw newSyntaxError('Bracket ] expected'); + } + getToken(); } - // after the clustering we reposition the nodes to reduce the initial chaos - if (level > 0 && reposition == true) { - this.repositionNodes(); - } - this._updateCalculationNodes(); - }; + return attr; + } /** - * 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. + * Create a syntax error with extra information on current token and index. + * @param {String} message + * @returns {SyntaxError} err */ - 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; + function newSyntaxError(message) { + return new SyntaxError(message + ', got "' + chop(token, 30) + '" (char ' + index + ')'); + } - // we decluster until we reach a decent number of nodes - while ((this.nodeIndices.length < this.constants.clustering.initialMaxNodes) && (level < 10)) { - this.decreaseClusterLevel(); - level += 1; - } + /** + * Chop off text after a maximum length + * @param {String} text + * @param {Number} maxLength + * @returns {String} + */ + function chop (text, maxLength) { + return (text.length <= maxLength) ? text : (text.substr(0, 27) + '...'); + } + /** + * Execute a function fn for each pair of elements in two arrays + * @param {Array | *} array1 + * @param {Array | *} array2 + * @param {function} fn + */ + 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 { - this._expandClusterNode(node,false,true); - - // update the index list, dynamic edges and labels - this._updateNodeIndexList(); - this._updateDynamicEdges(); - this._updateCalculationNodes(); - this.updateLabels(); + if (Array.isArray(array2)) { + array2.forEach(function (elem2) { + fn(array1, elem2); + }); + } + else { + fn(array1, array2); + } } + } - // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded - if (this.moving != isMovingBeforeClustering) { - this.start(); + /** + * 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: {} + }; + + // copy the nodes + if (dotData.nodes) { + dotData.nodes.forEach(function (dotNode) { + var graphNode = { + id: dotNode.id, + label: String(dotNode.label || dotNode.id) + }; + merge(graphNode, dotNode.attr); + if (graphNode.image) { + graphNode.shape = 'image'; + } + graphData.nodes.push(graphNode); + }); } - }; + // copy the edges + if (dotData.edges) { + /** + * Convert an edge in DOT format to an edge with VisGraph format + * @param {Object} dotEdge + * @returns {Object} graphEdge + */ + function convertEdge(dotEdge) { + var graphEdge = { + from: dotEdge.from, + to: dotEdge.to + }; + merge(graphEdge, dotEdge.attr); + graphEdge.style = (dotEdge.type == '->') ? 'arrow' : 'line'; + return graphEdge; + } + + dotData.edges.forEach(function (dotEdge) { + var from, to; + if (dotEdge.from instanceof Object) { + from = dotEdge.from.nodes; + } + else { + from = { + id: dotEdge.from + } + } + + if (dotEdge.to instanceof Object) { + to = dotEdge.to.nodes; + } + else { + to = { + id: dotEdge.to + } + } + + if (dotEdge.from instanceof Object && dotEdge.from.edges) { + dotEdge.from.edges.forEach(function (subEdge) { + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); + } - /** - * This calls the updateClustes with default arguments - */ - exports.updateClustersDefault = function() { - if (this.constants.clustering.enabled == true) { - this.updateClusters(0,false,false); + forEach2(from, to, function (from, to) { + var subEdge = createEdge(graphData, from.id, to.id, dotEdge.type, dotEdge.attr); + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); + + if (dotEdge.to instanceof Object && dotEdge.to.edges) { + dotEdge.to.edges.forEach(function (subEdge) { + var graphEdge = convertEdge(subEdge); + graphData.edges.push(graphEdge); + }); + } + }); } - }; + // copy the options + if (dotData.attr) { + graphData.options = dotData.attr; + } - /** - * This function can be called to increase the cluster level. This means that the nodes with only one edge connection will - * be clustered with their connected node. This can be repeated as many times as needed. - * This can be called externally (by a keybind for instance) to reduce the complexity of big datasets. - */ - exports.increaseClusterLevel = function() { - this.updateClusters(-1,false,true); - }; + return graphData; + } + // exports + exports.parseDOT = parseDOT; + exports.DOTToGraph = DOTToGraph; - /** - * This function can be called to decrease the cluster level. This means that the nodes with only one edge connection will - * be unpacked if they are a cluster. This can be repeated as many times as needed. - * This can be called externally (by a key-bind for instance) to look into clusters without zooming. - */ - exports.decreaseClusterLevel = function() { - this.updateClusters(1,false,true); - }; +/***/ }, +/* 55 */ +/***/ function(module, exports, __webpack_require__) { - /** - * 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 - * - */ - exports.updateClusters = function(zoomDirection,recursive,force,doNotStart) { - var isMovingBeforeClustering = this.moving; - var amountOfNodes = this.nodeIndices.length; + + function parseGephi(gephiJSON, options) { + var edges = []; + var nodes = []; + this.options = { + edges: { + inheritColor: true + }, + nodes: { + allowedToMove: false, + parseColor: false + } + }; - // 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(); + if (options !== undefined) { + this.options.nodes['allowedToMove'] = options.allowedToMove | false; + this.options.nodes['parseColor'] = options.parseColor | false; + this.options.edges['inheritColor'] = options.inheritColor | true; } - // 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); + 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); } - 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); + + 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 { - // if a cluster takes up a set percentage of the active window - this._openClustersBySize(); + node['color'] = gNode.color !== undefined ? {background:gNode.color, border:gNode.color} : undefined; } - } - this._updateNodeIndexList(); - - // if a cluster was NOT formed and the user zoomed out, we try clustering by hubs - if (this.nodeIndices.length == amountOfNodes && (this.previousScale > this.scale || zoomDirection == -1)) { - this._aggregateHubs(force); - this._updateNodeIndexList(); - } - - // we now reduce chains. - if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out - this.handleChains(); - this._updateNodeIndexList(); - } - - this.previousScale = this.scale; - - // rest of the update the index list, dynamic edges and labels - this._updateDynamicEdges(); - this.updateLabels(); - - // if a cluster was formed, we increase the clusterSession - if (this.nodeIndices.length < amountOfNodes) { // this means a clustering operation has taken place - this.clusterSession += 1; - // if clusters have been made, we normalize the cluster level - this.normalizeClusterLevels(); + node['radius'] = gNode.size; + node['allowedToMoveX'] = this.options.nodes.allowedToMove; + node['allowedToMoveY'] = this.options.nodes.allowedToMove; + nodes.push(node); } - 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(); - } - } + return {nodes:nodes, edges:edges}; + } - this._updateCalculationNodes(); - }; + exports.parseGephi = parseGephi; - /** - * 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) +/***/ }, +/* 56 */ +/***/ function(module, exports, __webpack_require__) { - } - }; + var PhysicsMixin = __webpack_require__(57); + var ClusterMixin = __webpack_require__(61); + var SectorsMixin = __webpack_require__(62); + var SelectionMixin = __webpack_require__(63); + var ManipulationMixin = __webpack_require__(64); + var NavigationMixin = __webpack_require__(65); + var HierarchicalLayoutMixin = __webpack_require__(66); /** - * this functions starts clustering by hubs - * The minimum hub threshold is set globally + * Load a mixin into the network object * + * @param {Object} sourceVariable | this object has to contain functions. * @private */ - exports._aggregateHubs = function(force) { - this._getHubSize(); - this._formClustersByHub(force,false); + exports._loadMixin = function (sourceVariable) { + for (var mixinFunction in sourceVariable) { + if (sourceVariable.hasOwnProperty(mixinFunction)) { + this[mixinFunction] = sourceVariable[mixinFunction]; + } + } }; /** - * This function is fired by keypress. It forces hubs to form. + * removes a mixin from the network object. * + * @param {Object} sourceVariable | this object has to contain functions. + * @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; - } - - 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(); + exports._clearMixin = function (sourceVariable) { + for (var mixinFunction in sourceVariable) { + if (sourceVariable.hasOwnProperty(mixinFunction)) { + this[mixinFunction] = undefined; } } }; + /** - * If a cluster takes up more than a set percentage of the screen, open the cluster + * Mixin the physics system and initialize the parameters required. * * @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._loadPhysicsSystem = function () { + this._loadMixin(PhysicsMixin); + this._loadSelectedForceSolver(); + if (this.constants.configurePhysics == true) { + this._loadPhysicsConfiguration(); } }; /** - * 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. + * Mixin the cluster system and initialize the parameters required. * * @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._loadClusterSystem = function () { + this.clusterSession = 0; + this.hubThreshold = 5; + this._loadMixin(ClusterMixin); }; + /** - * 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. + * Mixin the sector system and initialize the parameters required * - * @param {Node} parentNode | to check for cluster and expand - * @param {Boolean} recursive | enabled or disable recursive calling - * @param {Boolean} force | enabled or disable forcing - * @param {Boolean} [openAll] | This will recursively force all nodes in the parent to be released * @private */ - exports._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._loadSectorSystem = function () { + this.sectors = {}; + this.activeSector = ["default"]; + this.sectors["active"] = {}; + this.sectors["active"]["default"] = {"nodes": {}, + "edges": {}, + "nodeIndices": [], + "formationScale": 1.0, + "drawingNode": undefined }; + this.sectors["frozen"] = {}; + this.sectors["support"] = {"nodes": {}, + "edges": {}, + "nodeIndices": [], + "formationScale": 1.0, + "drawingNode": undefined }; - // if 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]; + this.nodeIndices = this.sectors["active"]["default"]["nodeIndices"]; // the node indices list is used to speed up the computation of the repulsion fields - // 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._loadMixin(SectorsMixin); }; + /** - * 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. + * Mixin the selection system and initialize the parameters required * - * @param {Node} parentNode | the parent node - * @param {String} containedNodeId | child_node id as it is contained in the containedNodes object of the parent node - * @param {Boolean} recursive | This will also check if the child needs to be expanded. - * With force and recursive both true, the entire cluster is unpacked - * @param {Boolean} force | This will disregard the zoom level and will expel this child from the parent - * @param {Boolean} openAll | This will recursively force all nodes in the parent to be released * @private */ - exports._expelChildFromParent = function(parentNode, containedNodeId, recursive, force, openAll) { - var childNode = parentNode.containedNodes[containedNodeId]; - - // if child node has been added on smaller scale than current, kick out - if (childNode.formationScale < this.scale || force == true) { - // unselect all selected items - this._unselectAll(); - - // put the child node back in the global nodes object - this.nodes[containedNodeId] = childNode; - - // release the contained edges from this childNode back into the global edges - this._releaseContainedEdges(parentNode,childNode); - - // reconnect rerouted edges to the childNode - this._connectEdgeBackToChild(parentNode,childNode); + exports._loadSelectionSystem = function () { + this.selectionObj = {nodes: {}, edges: {}}; - // validate all edges in dynamicEdges - this._validateEdges(parentNode); + this._loadMixin(SelectionMixin); + }; - // undo the changes from the clustering operation on the parent node - parentNode.options.mass -= childNode.options.mass; - parentNode.clusterSize -= childNode.clusterSize; - parentNode.options.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*(parentNode.clusterSize-1)); - parentNode.dynamicEdgesLength = parentNode.dynamicEdges.length; - // place the child node near the parent, not at the exact same location to avoid chaos in the system - childNode.x = parentNode.x + parentNode.growthIndicator * (0.5 - Math.random()); - childNode.y = parentNode.y + parentNode.growthIndicator * (0.5 - Math.random()); + /** + * 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; - // remove node from the list - delete parentNode.containedNodes[containedNodeId]; + 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'; + this.manipulationDiv.id = 'network-manipulationDiv'; + if (this.editMode == true) { + this.manipulationDiv.style.display = "block"; + } + else { + this.manipulationDiv.style.display = "none"; + } + this.frame.appendChild(this.manipulationDiv); + } - // 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 (this.editModeDiv === undefined) { + this.editModeDiv = document.createElement('div'); + this.editModeDiv.className = 'network-manipulation-editMode'; + this.editModeDiv.id = 'network-manipulation-editMode'; + if (this.editMode == true) { + this.editModeDiv.style.display = "none"; + } + else { + this.editModeDiv.style.display = "block"; } + this.frame.appendChild(this.editModeDiv); } - // if there are no others, remove the cluster session from the list - if (othersPresent == false) { - parentNode.clusterSessions.pop(); + + if (this.closeDiv === undefined) { + this.closeDiv = document.createElement('div'); + this.closeDiv.className = 'network-manipulation-closeDiv'; + this.closeDiv.id = 'network-manipulation-closeDiv'; + this.closeDiv.style.display = this.manipulationDiv.style.display; + this.frame.appendChild(this.closeDiv); } - this._repositionBezierNodes(childNode); - // this._repositionBezierNodes(parentNode); + // load the manipulation functions + this._loadMixin(ManipulationMixin); - // remove the clusterSession from the child node - childNode.clusterSession = 0; + // create the manipulator toolbar + this._createManipulatorBar(); + } + else { + if (this.manipulationDiv !== undefined) { + // removes all the bindings and overloads + this._createManipulatorBar(); - // recalculate the size of the node on the next time the node is rendered - parentNode.clearSizeCache(); + // remove the manipulation divs + this.frame.removeChild(this.manipulationDiv); + this.frame.removeChild(this.editModeDiv); + this.frame.removeChild(this.closeDiv); - // restart the simulation to reorganise all nodes - this.moving = true; + this.manipulationDiv = undefined; + this.editModeDiv = undefined; + this.closeDiv = undefined; + // remove the mixin functions + this._clearMixin(ManipulationMixin); + } } + }; - // check if a further expansion step is possible if recursivity is enabled - if (recursive == true) { - this._expandClusterNode(childNode,recursive,force,openAll); + + /** + * Mixin the navigation (User Interface) system and initialize the parameters required + * + * @private + */ + exports._loadNavigationControls = function () { + this._loadMixin(NavigationMixin); + // the clean function removes the button divs, this is done to remove the bindings. + this._cleanNavigation(); + if (this.constants.navigation.enabled == true) { + this._loadNavigationElements(); } }; /** - * position the bezier nodes at the center of the edges + * Mixin the hierarchical layout system. * - * @param node * @private */ - exports._repositionBezierNodes = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - node.dynamicEdges[i].positionBezierNode(); - } + exports._loadHierarchySystem = function () { + this._loadMixin(HierarchicalLayoutMixin); }; +/***/ }, +/* 57 */ +/***/ function(module, exports, __webpack_require__) { + + var util = __webpack_require__(1); + var RepulsionMixin = __webpack_require__(58); + var HierarchialRepulsionMixin = __webpack_require__(59); + var BarnesHutMixin = __webpack_require__(60); + /** - * 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 + * Toggling barnes Hut calculation on and off. * * @private - * @param {Boolean} force */ - exports._formClusters = function(force) { - if (force == false) { - this._formClustersByZoom(); + 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 + */ + exports._loadSelectedForceSolver = function () { + // this overloads the this._calculateNodeForces + if (this.constants.physics.barnesHut.enabled == true) { + this._clearMixin(RepulsionMixin); + this._clearMixin(HierarchialRepulsionMixin); + + this.constants.physics.centralGravity = this.constants.physics.barnesHut.centralGravity; + this.constants.physics.springLength = this.constants.physics.barnesHut.springLength; + this.constants.physics.springConstant = this.constants.physics.barnesHut.springConstant; + this.constants.physics.damping = this.constants.physics.barnesHut.damping; + + this._loadMixin(BarnesHutMixin); + } + else if (this.constants.physics.hierarchicalRepulsion.enabled == true) { + this._clearMixin(BarnesHutMixin); + this._clearMixin(RepulsionMixin); + + this.constants.physics.centralGravity = this.constants.physics.hierarchicalRepulsion.centralGravity; + this.constants.physics.springLength = this.constants.physics.hierarchicalRepulsion.springLength; + this.constants.physics.springConstant = this.constants.physics.hierarchicalRepulsion.springConstant; + this.constants.physics.damping = this.constants.physics.hierarchicalRepulsion.damping; + + this._loadMixin(HierarchialRepulsionMixin); } else { - this._forceClustersByZoom(); + this._clearMixin(BarnesHutMixin); + this._clearMixin(HierarchialRepulsionMixin); + this.barnesHutTree = undefined; + + this.constants.physics.centralGravity = this.constants.physics.repulsion.centralGravity; + this.constants.physics.springLength = this.constants.physics.repulsion.springLength; + this.constants.physics.springConstant = this.constants.physics.repulsion.springConstant; + this.constants.physics.damping = this.constants.physics.repulsion.damping; + + this._loadMixin(RepulsionMixin); } }; - /** - * This function handles the clustering by zooming out, this is based on a minimum edge distance + * 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._formClustersByZoom = function() { - var dx,dy,length, - minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; - - // check if any edges are shorter than minLength and start the clustering - // the clustering favours the node with the larger mass - for (var edgeId in this.edges) { - if (this.edges.hasOwnProperty(edgeId)) { - var edge = this.edges[edgeId]; - if (edge.connected) { - if (edge.toId != edge.fromId) { - dx = (edge.to.x - edge.from.x); - dy = (edge.to.y - edge.from.y); - length = Math.sqrt(dx * dx + dy * dy); - - - if (length < minLength) { - // first check which node is larger - var parentNode = edge.from; - var childNode = edge.to; - if (edge.to.options.mass > edge.from.options.mass) { - parentNode = edge.to; - childNode = edge.from; - } - - if (childNode.dynamicEdgesLength == 1) { - this._addToCluster(parentNode,childNode,false); - } - else if (parentNode.dynamicEdgesLength == 1) { - this._addToCluster(childNode,parentNode,false); - } - } - } - } + 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 function forces the network to cluster all nodes with only one connecting edge to their - * connected node. - * + * Calculate the external forces acting on the nodes + * Forces are caused by: edges, repulsing forces between nodes, gravity * @private */ - exports._forceClustersByZoom = function() { - for (var nodeId in this.nodes) { - // another node could have absorbed this child. - if (this.nodes.hasOwnProperty(nodeId)) { - var childNode = this.nodes[nodeId]; + exports._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 - // 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]; + this._calculateGravitationalForces(); + this._calculateNodeForces(); - // 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); - } - } + if (this.constants.physics.springConstant > 0) { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this._calculateSpringForcesWithSupport(); + } + else { + if (this.constants.physics.hierarchicalRepulsion.enabled == true) { + this._calculateHierarchicalSpringForces(); + } + else { + this._calculateSpringForces(); } } } @@ -29330,120 +28682,121 @@ return /******/ (function(modules) { // webpackBootstrap /** - * To keep the nodes of roughly equal size we normalize the cluster levels. - * This function clusters a node to its smallest connected neighbour. + * Smooth curves are created by adding invisible nodes in the center of the edges. These nodes are also + * handled in the calculateForces function. We then use a quadratic curve with the center node as control. + * This function joins the datanodes and invisible (called support) nodes into one object. + * We do this so we do not contaminate this.nodes with the support nodes. * - * @param node * @private */ - exports._clusterToSmallestNeighbour = function(node) { - var smallestNeighbour = -1; - var smallestNeighbourNode = null; - for (var i = 0; i < node.dynamicEdges.length; i++) { - if (node.dynamicEdges[i] !== undefined) { - var neighbour = null; - if (node.dynamicEdges[i].fromId != node.id) { - neighbour = node.dynamicEdges[i].from; + exports._updateCalculationNodes = function () { + if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { + this.calculationNodes = {}; + this.calculationNodeIndices = []; + + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.calculationNodes[nodeId] = this.nodes[nodeId]; } - else if (node.dynamicEdges[i].toId != node.id) { - neighbour = node.dynamicEdges[i].to; + } + 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); + } } + } - - if (neighbour != null && smallestNeighbour > neighbour.clusterSessions.length) { - smallestNeighbour = neighbour.clusterSessions.length; - smallestNeighbourNode = neighbour; + for (var idx in this.calculationNodes) { + if (this.calculationNodes.hasOwnProperty(idx)) { + this.calculationNodeIndices.push(idx); } } } - - if (neighbour != null && this.nodes[neighbour.id] !== undefined) { - this._addToCluster(neighbour, node, true); + else { + this.calculationNodes = this.nodes; + this.calculationNodeIndices = this.nodeIndices; } }; /** - * This function forms clusters from hubs, it loops over all nodes + * this function applies the central gravity effect to keep groups from floating off * - * @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._calculateGravitationalForces = function () { + var dx, dy, distance, node, i; + var nodes = this.calculationNodes; + var gravity = this.constants.physics.centralGravity; + var gravityForce = 0; + + for (i = 0; i < this.calculationNodeIndices.length; i++) { + node = nodes[this.calculationNodeIndices[i]]; + node.damping = this.constants.physics.damping; // possibly add function to alter damping properties of clusters. + // gravity does not apply when we are in a pocket sector + if (this._sector() == "default" && gravity != 0) { + dx = -node.x; + dy = -node.y; + distance = Math.sqrt(dx * dx + dy * dy); + + gravityForce = (distance == 0) ? 0 : (gravity / distance); + node.fx = dx * gravityForce; + node.fy = dy * gravityForce; + } + else { + node.fx = 0; + node.fy = 0; } } }; + + + /** - * This function forms a cluster from a specific preselected hub node + * this function calculates the effects of the springs in the case of unsmooth curves. * - * @param {Node} hubNode | the node we will cluster as a hub - * @param {Boolean} force | Disregard zoom level - * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges - * @param {Number} [absorptionSizeOffset] | * @private */ - exports._formClusterFromHub = function(hubNode, force, onlyEqual, absorptionSizeOffset) { - if (absorptionSizeOffset === undefined) { - absorptionSizeOffset = 0; - } - // we decide if the node is a hub - if ((hubNode.dynamicEdgesLength >= this.hubThreshold && onlyEqual == false) || - (hubNode.dynamicEdgesLength == this.hubThreshold && onlyEqual == true)) { - // initialize variables - var dx,dy,length; - var minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; - var allowCluster = false; + exports._calculateSpringForces = function () { + var edgeLength, edge, edgeId; + var dx, dy, fx, fy, springForce, distance; + var edges = this.edges; - // 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); - } + // forces caused by the edges, modelled as springs + for (edgeId in edges) { + if (edges.hasOwnProperty(edgeId)) { + edge = edges[edgeId]; + if (edge.connected) { + // only calculate forces if nodes are in the same sector + if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { + edgeLength = edge.physics.springLength; + // this implies that the edges between big clusters are longer + edgeLength += (edge.to.clusterSize + edge.from.clusterSize - 2) * this.constants.clustering.edgeGrowth; - // if 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); + dx = (edge.from.x - edge.to.x); + dy = (edge.from.y - edge.to.y); + distance = Math.sqrt(dx * dx + dy * dy); - if (length < minLength) { - allowCluster = true; - break; - } - } + if (distance == 0) { + distance = 0.01; } - } - } - } - // 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); - } + // 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; } } } @@ -29452,3751 +28805,4294 @@ return /******/ (function(modules) { // webpackBootstrap + /** - * This function adds the child node to the parent node, creating a cluster if it is not already. + * This function calculates the springforces on the nodes, accounting for the support nodes. * - * @param {Node} parentNode | this is the node that will house the child node - * @param {Node} childNode | this node will be deleted from the global this.nodes and stored in the parent node - * @param {Boolean} force | true will only update the remainingEdges at the very end of the clustering, ensuring single level collapse * @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._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; - // remove the childNode from the global nodes object - delete this.nodes[childNode.id]; + edgeLength = edge.physics.springLength; - // 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); + combinedClusterSize = node1.clusterSize + node3.clusterSize - 2; - // keep track of the clustersessions so we can open the cluster up as it has been formed. - if (parentNode.clusterSessions[parentNode.clusterSessions.length - 1] != this.clusterSession) { - parentNode.clusterSessions.push(this.clusterSession); + // this 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); + } + } + } + } } + }; - // forced clusters only open from screen size and double tap - if (force == true) { - // parentNode.formationScale = Math.pow(1 - (1.0/11.0),this.clusterSession+3); - parentNode.formationScale = 0; - } - else { - parentNode.formationScale = this.scale; // The latest child has been added on this scale - } - // recalculate the size of the node on the next time the node is rendered - parentNode.clearSizeCache(); + /** + * This is the code actually performing the calculation for the function above. It is split out to avoid repetition. + * + * @param node1 + * @param node2 + * @param edgeLength + * @private + */ + exports._calculateSpringForce = function (node1, node2, edgeLength) { + var dx, dy, fx, fy, springForce, distance; - // set the pop-out scale for the childnode - parentNode.containedNodes[childNode.id].formationScale = parentNode.formationScale; + dx = (node1.x - node2.x); + dy = (node1.y - node2.y); + distance = Math.sqrt(dx * dx + dy * dy); - // nullify the movement velocity of the child, this is to avoid hectic behaviour - childNode.clearVelocity(); + if (distance == 0) { + distance = 0.01; + } - // the mass has altered, preservation of energy dictates the velocity to be updated - parentNode.updateVelocity(massBefore); + // the 1/distance is so the fx and fy can be calculated without sine or cosine. + springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; - // restart the simulation to reorganise all nodes - this.moving = true; + fx = dx * springForce; + fy = dy * springForce; + + node1.fx += fx; + node1.fy += fy; + node2.fx -= fx; + node2.fy -= fy; }; /** - * 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(). + * Load the HTML for the physics config and bind it * @private */ - exports._updateDynamicEdges = function() { - for (var i = 0; i < this.nodeIndices.length; i++) { - var node = this.nodes[this.nodeIndices[i]]; - node.dynamicEdgesLength = node.dynamicEdges.length; + exports._loadPhysicsConfiguration = function () { + if (this.physicsConfiguration === undefined) { + this.backupConstants = {}; + util.deepExtend(this.backupConstants,this.constants); - // 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; - } - } - } + var hierarchicalLayoutDirections = ["LR", "RL", "UD", "DU"]; + this.physicsConfiguration = document.createElement('div'); + this.physicsConfiguration.className = "PhysicsConfiguration"; + this.physicsConfiguration.innerHTML = '' + + '' + + '' + + '' + + '' + + '' + + '' + + '
Simulation Mode:
Barnes HutRepulsionHierarchical
' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '
Options:
' + this.containerElement.parentElement.insertBefore(this.physicsConfiguration, this.containerElement); + this.optionsDiv = document.createElement("div"); + this.optionsDiv.style.fontSize = "14px"; + this.optionsDiv.style.fontFamily = "verdana"; + this.containerElement.parentElement.insertBefore(this.optionsDiv, this.containerElement); + + var rangeElement; + rangeElement = document.getElementById('graph_BH_gc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_gc', -1, "physics_barnesHut_gravitationalConstant"); + rangeElement = document.getElementById('graph_BH_cg'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_cg', 1, "physics_centralGravity"); + rangeElement = document.getElementById('graph_BH_sc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sc', 1, "physics_springConstant"); + rangeElement = document.getElementById('graph_BH_sl'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sl', 1, "physics_springLength"); + rangeElement = document.getElementById('graph_BH_damp'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_damp', 1, "physics_damping"); + + rangeElement = document.getElementById('graph_R_nd'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_nd', 1, "physics_repulsion_nodeDistance"); + rangeElement = document.getElementById('graph_R_cg'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_cg', 1, "physics_centralGravity"); + rangeElement = document.getElementById('graph_R_sc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sc', 1, "physics_springConstant"); + rangeElement = document.getElementById('graph_R_sl'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sl', 1, "physics_springLength"); + rangeElement = document.getElementById('graph_R_damp'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_damp', 1, "physics_damping"); + + rangeElement = document.getElementById('graph_H_nd'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); + rangeElement = document.getElementById('graph_H_cg'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_cg', 1, "physics_centralGravity"); + rangeElement = document.getElementById('graph_H_sc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sc', 1, "physics_springConstant"); + rangeElement = document.getElementById('graph_H_sl'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sl', 1, "physics_springLength"); + rangeElement = document.getElementById('graph_H_damp'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_damp', 1, "physics_damping"); + rangeElement = document.getElementById('graph_H_direction'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_direction', hierarchicalLayoutDirections, "hierarchicalLayout_direction"); + rangeElement = document.getElementById('graph_H_levsep'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_levsep', 1, "hierarchicalLayout_levelSeparation"); + rangeElement = document.getElementById('graph_H_nspac'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nspac', 1, "hierarchicalLayout_nodeSpacing"); + + var radioButton1 = document.getElementById("graph_physicsMethod1"); + var radioButton2 = document.getElementById("graph_physicsMethod2"); + var radioButton3 = document.getElementById("graph_physicsMethod3"); + radioButton2.checked = true; + if (this.constants.physics.barnesHut.enabled) { + radioButton1.checked = true; + } + if (this.constants.hierarchicalLayout.enabled) { + radioButton3.checked = true; } - node.dynamicEdgesLength -= correction; - } - }; + var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); + var graph_repositionNodes = document.getElementById("graph_repositionNodes"); + var graph_generateOptions = document.getElementById("graph_generateOptions"); - /** - * This adds an edge from the childNode to the contained edges of the parent node - * - * @param parentNode | Node object - * @param childNode | Node object - * @param edge | Edge object - * @private - */ - exports._addToContainedEdges = function(parentNode, childNode, edge) { - // create an array object if it does not yet exist for this childNode - if (!(parentNode.containedEdges.hasOwnProperty(childNode.id))) { - parentNode.containedEdges[childNode.id] = [] - } - // add this edge to the list - parentNode.containedEdges[childNode.id].push(edge); + 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"; + } - // 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; - } + switchConfigurations.apply(this); + + radioButton1.onchange = switchConfigurations.bind(this); + radioButton2.onchange = switchConfigurations.bind(this); + radioButton3.onchange = switchConfigurations.bind(this); } }; /** - * 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 overwrites the this.constants. * - * @param {Node} parentNode | Node object - * @param {Node} childNode | Node object - * @param {Edge} edge | Edge object + * @param constantsVariableName + * @param value * @private */ - exports._connectEdgeToCluster = function(parentNode, childNode, edge) { - // handle circular edges - if (edge.toId == edge.fromId) { - this._addToContainedEdges(parentNode, childNode, edge); + exports._overWriteGraphConstants = function (constantsVariableName, value) { + var nameArray = constantsVariableName.split("_"); + if (nameArray.length == 1) { + this.constants[nameArray[0]] = value; } - 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); + 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; } }; /** - * 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 parentNode - * @param childNode - * @private + * this function is bound to the toggle smooth curves button. That is also why it is not in the prototype. */ - 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); - } - } - }; + 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); + } /** - * This adds an edge from the childNode to the rerouted edges of the parent node + * this function is used to scramble the nodes * - * @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] = []; + 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; + } } - parentNode.reroutedEdges[childNode.id].push(edge); - - // this edge becomes part of the dynamicEdges of the cluster node - parentNode.dynamicEdges.push(edge); - }; - - + if (this.constants.hierarchicalLayout.enabled == true) { + this._setupHierarchicalLayout(); + showValueOfRange.call(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); + showValueOfRange.call(this, 'graph_H_cg', 1, "physics_centralGravity"); + showValueOfRange.call(this, 'graph_H_sc', 1, "physics_springConstant"); + showValueOfRange.call(this, 'graph_H_sl', 1, "physics_springLength"); + showValueOfRange.call(this, 'graph_H_damp', 1, "physics_damping"); + } + else { + this.repositionNodes(); + } + this.moving = true; + this.start(); + } /** - * This function connects an edge that was connected to a cluster node back to the child node. - * - * @param parentNode | Node object - * @param childNode | Node object - * @private + * this is used to generate an options file from the playing with physics system. */ - 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; + 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 { - edge.originalToId.pop(); - edge.toId = childNode.id; - edge.to = childNode; + 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 += ", " + } } - - // append this edge to the list of edges connecting to the childnode - childNode.dynamicEdges.push(edge); - - // remove the edge from the parent object - for (var j = 0; j < parentNode.dynamicEdges.length; j++) { - if (parentNode.dynamicEdges[j].id == edge.id) { - parentNode.dynamicEdges.splice(j,1); - break; + 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 += '}},'; } - // remove the entry from the rerouted edges - delete parentNode.reroutedEdges[childNode.id]; + 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.optionsDiv.innerHTML = options; + } + /** - * 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 is used to switch between barnesHut, repulsion and hierarchical. * - * @param parentNode | Node object - * @private */ - exports._validateEdges = function(parentNode) { - for (var i = 0; i < parentNode.dynamicEdges.length; i++) { - var edge = parentNode.dynamicEdges[i]; - if (parentNode.id != edge.toId && parentNode.id != edge.fromId) { - parentNode.dynamicEdges.splice(i,1); + function switchConfigurations () { + var ids = ["graph_BH_table", "graph_R_table", "graph_H_table"]; + var radioButton = document.querySelector('input[name="graph_physicsMethod"]:checked').value; + var tableId = "graph_" + radioButton + "_table"; + var table = document.getElementById(tableId); + table.style.display = "block"; + for (var i = 0; i < ids.length; i++) { + if (ids[i] != tableId) { + table = document.getElementById(ids[i]); + table.style.display = "none"; } } - }; + this._restoreNodes(); + if (radioButton == "R") { + this.constants.hierarchicalLayout.enabled = false; + this.constants.physics.hierarchicalRepulsion.enabled = false; + this.constants.physics.barnesHut.enabled = false; + } + else if (radioButton == "H") { + if (this.constants.hierarchicalLayout.enabled == false) { + this.constants.hierarchicalLayout.enabled = true; + this.constants.physics.hierarchicalRepulsion.enabled = true; + this.constants.physics.barnesHut.enabled = false; + this.constants.smoothCurves.enabled = false; + this._setupHierarchicalLayout(); + } + } + else { + this.constants.hierarchicalLayout.enabled = false; + this.constants.physics.hierarchicalRepulsion.enabled = false; + this.constants.physics.barnesHut.enabled = true; + } + this._loadSelectedForceSolver(); + var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); + if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";} + else {graph_toggleSmooth.style.background = "#FF8532";} + this.moving = true; + this.start(); + } /** - * This function released the contained edges back into the global domain and puts them back into the - * dynamic edges of both parent and child. + * this generates the ranges depending on the iniital values. * - * @param {Node} parentNode | - * @param {Node} childNode | - * @private + * @param id + * @param map + * @param constantsVariableName */ - exports._releaseContainedEdges = function(parentNode, childNode) { - for (var i = 0; i < parentNode.containedEdges[childNode.id].length; i++) { - var edge = parentNode.containedEdges[childNode.id][i]; - - // put the edge back in the global edges object - this.edges[edge.id] = edge; + function showValueOfRange (id,map,constantsVariableName) { + var valueId = id + "_value"; + var rangeValue = document.getElementById(id).value; - // put the edge back in the dynamic edges of the child and parent - childNode.dynamicEdges.push(edge); - parentNode.dynamicEdges.push(edge); + if (Array.isArray(map)) { + document.getElementById(valueId).value = map[parseInt(rangeValue)]; + this._overWriteGraphConstants(constantsVariableName,map[parseInt(rangeValue)]); } - // remove the entry from the contained edges - delete parentNode.containedEdges[childNode.id]; - - }; - - - - - // ------------------- UTILITY FUNCTIONS ---------------------------- // - - - /** - * This updates the node labels for all nodes (for debugging purposes) - */ - 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),"]"); - } - } + else { + document.getElementById(valueId).value = parseInt(map) * parseFloat(rangeValue); + this._overWriteGraphConstants(constantsVariableName, parseInt(map) * parseFloat(rangeValue)); } - // 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); - } - } - } + if (constantsVariableName == "hierarchicalLayout_direction" || + constantsVariableName == "hierarchicalLayout_levelSeparation" || + constantsVariableName == "hierarchicalLayout_nodeSpacing") { + this._setupHierarchicalLayout(); } + this.moving = true; + this.start(); + } - // /* Debug Override */ - // for (nodeId in this.nodes) { - // if (this.nodes.hasOwnProperty(nodeId)) { - // node = this.nodes[nodeId]; - // node.label = String(node.level); - // } - // } - - }; +/***/ }, +/* 58 */ +/***/ function(module, exports, __webpack_require__) { /** - * 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. + * Calculate the forces the nodes apply on each other based on a repulsion field. + * This field is linearly approximated. + * + * @private */ - exports.normalizeClusterLevels = function() { - var maxLevel = 0; - var minLevel = 1e9; - var clusterLevel = 0; - var nodeId; + exports._calculateNodeForces = function () { + var dx, dy, angle, distance, fx, fy, combinedClusterSize, + repulsingForce, node1, node2, i, j; - // we loop over all nodes in the list - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - clusterLevel = this.nodes[nodeId].clusterSessions.length; - if (maxLevel < clusterLevel) {maxLevel = clusterLevel;} - if (minLevel > clusterLevel) {minLevel = clusterLevel;} - } - } + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; - 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; - } - } - }; + // 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; - /** - * 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._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 - ) - }; + 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)) + } - /** - * 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.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); + // amplify the repulsion for clusters. + repulsingForce *= (combinedClusterSize == 0) ? 1 : 1 + combinedClusterSize * this.constants.clustering.forceAmplification; + repulsingForce = repulsingForce / distance; + + fx = dx * repulsingForce; + fy = dy * repulsingForce; + + node1.fx -= fx; + node1.fy -= fy; + node2.fx += fx; + node2.fy += fy; + } } } }; +/***/ }, +/* 59 */ +/***/ function(module, exports, __webpack_require__) { + /** - * 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%) + * Calculate the forces the nodes apply on eachother based on a repulsion field. + * This field is linearly approximated. * * @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; - } - average += node.dynamicEdgesLength; - averageSquared += Math.pow(node.dynamicEdgesLength,2); - hubCounter += 1; - } - average = average / hubCounter; - averageSquared = averageSquared / hubCounter; + exports._calculateNodeForces = function () { + var dx, dy, distance, fx, fy, + repulsingForce, node1, node2, i, j; - var variance = averageSquared - Math.pow(average,2); + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; - var standardDeviation = Math.sqrt(variance); + // repulsing forces between nodes + var nodeDistance = this.constants.physics.hierarchicalRepulsion.nodeDistance; - this.hubThreshold = Math.floor(average + 2*standardDeviation); + // 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]]; - // always have at least one to cluster - if (this.hubThreshold > largestHub) { - this.hubThreshold = largestHub; - } + // nodes only affect nodes on their level + if (node1.level == node2.level) { - // console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); - // console.log("hubThreshold:",this.hubThreshold); - }; + dx = node2.x - node1.x; + dy = node2.y - node1.y; + distance = Math.sqrt(dx * dx + dy * dy); - /** - * 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; + 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; } } } }; + /** - * 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. + * this function calculates the effects of the springs in the case of unsmooth curves. * * @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._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; } - return chains/total; - }; -/***/ }, -/* 58 */ -/***/ function(module, exports, __webpack_require__) { + // 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; - var util = __webpack_require__(1); - var Node = __webpack_require__(40); + dx = (edge.from.x - edge.to.x); + dy = (edge.from.y - edge.to.y); + distance = Math.sqrt(dx * dx + dy * dy); - /** - * 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. - */ + if (distance == 0) { + distance = 0.01; + } - /** - * This function is only called by the setData function of the Network object. - * This loads the global references into the active sector. This initializes the sector. - * - * @private - */ - exports._putDataInSector = function() { - this.sectors["active"][this._sector()].nodes = this.nodes; - this.sectors["active"][this._sector()].edges = this.edges; - this.sectors["active"][this._sector()].nodeIndices = this.nodeIndices; - }; + // 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; - /** - * /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied (active) sector. If a type is defined, do the specific type - * - * @param {String} sectorId - * @param {String} [sectorType] | "active" or "frozen" - * @private - */ - exports._switchToSector = function(sectorId, sectorType) { - if (sectorType === undefined || sectorType == "active") { - this._switchToActiveSector(sectorId); + + + 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; + } + } + } + } } - else { - this._switchToFrozenSector(sectorId); + + // normalize spring forces + var springForce = 1; + var springFx, springFy; + for (i = 0; i < nodeIndices.length; i++) { + var node = nodes[nodeIndices[i]]; + springFx = Math.min(springForce,Math.max(-springForce,node.springFx)); + springFy = Math.min(springForce,Math.max(-springForce,node.springFy)); + + 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; + } - /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied active sector. - * - * @param sectorId - * @private - */ - exports._switchToActiveSector = function(sectorId) { - this.nodeIndices = this.sectors["active"][sectorId]["nodeIndices"]; - this.nodes = this.sectors["active"][sectorId]["nodes"]; - this.edges = this.sectors["active"][sectorId]["edges"]; }; +/***/ }, +/* 60 */ +/***/ function(module, exports, __webpack_require__) { /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied active sector. + * This function calculates the forces the nodes apply on eachother based on a gravitational model. + * The Barnes Hut method is used to speed up this N-body simulation. * * @private */ - exports._switchToSupportSector = function() { - this.nodeIndices = this.sectors["support"]["nodeIndices"]; - this.nodes = this.sectors["support"]["nodes"]; - this.edges = this.sectors["support"]["edges"]; - }; + 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); - /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the supplied frozen sector. - * - * @param sectorId - * @private - */ - exports._switchToFrozenSector = function(sectorId) { - this.nodeIndices = this.sectors["frozen"][sectorId]["nodeIndices"]; - this.nodes = this.sectors["frozen"][sectorId]["nodes"]; - this.edges = this.sectors["frozen"][sectorId]["edges"]; + var barnesHutTree = this.barnesHutTree; + + // place the nodes one by one recursively + for (var i = 0; i < nodeCount; i++) { + node = nodes[nodeIndices[i]]; + if (node.options.mass > 0) { + // starting with root is irrelevant, it never passes the BarnesHut condition + this._getForceContribution(barnesHutTree.root.children.NW,node); + this._getForceContribution(barnesHutTree.root.children.NE,node); + this._getForceContribution(barnesHutTree.root.children.SW,node); + this._getForceContribution(barnesHutTree.root.children.SE,node); + } + } + } }; /** - * This function sets the global references to nodes, edges and nodeIndices back to - * those of the currently active sector. + * This function traverses the barnesHutTree. It checks when it can approximate distant nodes with their center of mass. + * If a region contains a single node, we check if it is not itself, then we apply the force. * + * @param parentBranch + * @param node * @private */ - exports._loadLatestSector = function() { - this._switchToSector(this._sector()); - }; + exports._getForceContribution = function(parentBranch,node) { + // we get no force contribution from an empty region + if (parentBranch.childrenCount > 0) { + var dx,dy,distance; + // get the distance from the center of mass to the node. + dx = parentBranch.centerOfMass.x - node.x; + dy = parentBranch.centerOfMass.y - node.y; + distance = Math.sqrt(dx * dx + dy * dy); - /** - * This function returns the currently active sector Id - * - * @returns {String} - * @private - */ - exports._sector = function() { - return this.activeSector[this.activeSector.length-1]; + // BarnesHut condition + // original condition : s/d < theta = passed === d/s > 1/theta = passed + // calcSize = 1/s --> d * 1/s > 1/theta = passed + if (distance * parentBranch.calcSize > this.constants.physics.barnesHut.theta) { + // duplicate code to reduce function calls to speed up program + if (distance == 0) { + distance = 0.1*Math.random(); + dx = distance; + } + var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); + var fx = dx * gravityForce; + var fy = dy * gravityForce; + node.fx += fx; + node.fy += fy; + } + 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 returns the previously active sector Id + * This function constructs the barnesHut tree recursively. It creates the root, splits it and starts placing the nodes. * - * @returns {String} + * @param nodes + * @param nodeIndices * @private */ - exports._previousSector = function() { - if (this.activeSector.length > 1) { - return this.activeSector[this.activeSector.length-2]; + 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; + + // 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; } + } } - else { - throw new TypeError('there are not enough sectors in the this.activeSector array.'); + // make the range a square + var sizeDiff = Math.abs(maxX - minX) - Math.abs(maxY - minY); // difference between X and Y + if (sizeDiff > 0) {minY -= 0.5 * sizeDiff; maxY += 0.5 * sizeDiff;} // xSize > ySize + else {minX += 0.5 * sizeDiff; maxX -= 0.5 * sizeDiff;} // xSize < ySize + + + var minimumTreeSize = 1e-5; + var rootSize = Math.max(minimumTreeSize,Math.abs(maxX - minX)); + var halfRootSize = 0.5 * rootSize; + var centerX = 0.5 * (minX + maxX), centerY = 0.5 * (minY + maxY); + + // construct the barnesHutTree + var barnesHutTree = { + root:{ + centerOfMass: {x:0, y:0}, + mass:0, + range: { + minX: centerX-halfRootSize,maxX:centerX+halfRootSize, + minY: centerY-halfRootSize,maxY:centerY+halfRootSize + }, + size: rootSize, + calcSize: 1 / rootSize, + children: { data:null}, + maxWidth: 0, + level: 0, + childrenCount: 4 + } + }; + this._splitBranch(barnesHutTree.root); + + // place the nodes one by one recursively + for (i = 0; i < nodeCount; i++) { + node = nodes[nodeIndices[i]]; + if (node.options.mass > 0) { + this._placeInTree(barnesHutTree.root,node); + } } + + // make global + this.barnesHutTree = barnesHutTree }; /** - * 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 updates the mass of a branch. this is increased by adding a node. * - * @param newId + * @param parentBranch + * @param node * @private */ - exports._setActiveSector = function(newId) { - this.activeSector.push(newId); + 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; + }; /** - * We remove the currently active sector id from the active sector stack. This happens when - * we reactivate the previously active sector + * determine in which branch the node will be placed. * + * @param parentBranch + * @param node + * @param skipMassUpdate * @private */ - exports._forgetLastSector = function() { - this.activeSector.pop(); + exports._placeInTree = function(parentBranch,node,skipMassUpdate) { + if (skipMassUpdate != true || skipMassUpdate === undefined) { + // update the mass of the branch. + this._updateBranchMass(parentBranch,node); + } + + if (parentBranch.children.NW.range.maxX > node.x) { // in NW or SW + if (parentBranch.children.NW.range.maxY > node.y) { // in NW + this._placeInRegion(parentBranch,node,"NW"); + } + else { // in SW + this._placeInRegion(parentBranch,node,"SW"); + } + } + else { // 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 creates a new active sector with the supplied newId. This newId - * is the expanding node id. + * actually place the node in a region (or branch) * - * @param {String} newId | Id of the new active sector + * @param parentBranch + * @param node + * @param region * @private */ - exports._createNewSector = function(newId) { - // create the new sector - this.sectors["active"][newId] = {"nodes":{}, - "edges":{}, - "nodeIndices":[], - "formationScale": this.scale, - "drawingNode": undefined}; - - // 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; + 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 removes the currently active sector. This is called when we create a new - * active sector. + * this function splits a branch into 4 sub branches. If the branch contained a node, we place it in the subbranch + * after the split is complete. * - * @param {String} sectorId | Id of the active sector that will be removed + * @param parentBranch * @private */ - exports._deleteActiveSector = function(sectorId) { - delete this.sectors["active"][sectorId]; - }; - + 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"); - /** - * This function removes the currently active sector. This is called when we reactivate - * the previously active sector. - * - * @param {String} sectorId | Id of the active sector that will be removed - * @private - */ - exports._deleteFrozenSector = function(sectorId) { - delete this.sectors["frozen"][sectorId]; + if (containedNode != null) { + this._placeInTree(parentBranch,containedNode); + } }; /** - * Freezing an active sector means moving it from the "active" object to the "frozen" object. - * We copy the references, then delete the active entree. + * 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 sectorId + * @param parentBranch + * @param region + * @param parentRange * @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]; + 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; + } - // we have moved the sector data into the frozen set, we now remove it from the active set - this._deleteActiveSector(sectorId); + + 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 is the reverse operation of _freezeSector. Activating means moving the sector from the "frozen" - * object to the "active" object. + * This function is for debugging purposed, it draws the tree. * - * @param sectorId + * @param ctx + * @param color * @private */ - exports._activateSector = function(sectorId) { - // we move the set references from the frozen to the active stack. - this.sectors["active"][sectorId] = this.sectors["frozen"][sectorId]; + exports._drawTree = function(ctx,color) { + if (this.barnesHutTree !== undefined) { - // we have moved the sector data into the active set, we now remove it from the frozen stack - this._deleteFrozenSector(sectorId); + ctx.lineWidth = 1; + + this._drawBranch(this.barnesHutTree.root,ctx,color); + } }; /** - * This function merges the data from the currently active sector with a frozen sector. This is used - * in the process of reverting back to the previously active sector. - * The data that is placed in the frozen (the previously active) sector is the node that has been removed from it - * upon the creation of a new active sector. + * This function is for debugging purposes. It draws the branches recursively. * - * @param sectorId + * @param branch + * @param ctx + * @param color * @private */ - exports._mergeThisWithFrozen = function(sectorId) { - // copy all nodes - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.sectors["frozen"][sectorId]["nodes"][nodeId] = this.nodes[nodeId]; - } + exports._drawBranch = function(branch,ctx,color) { + if (color === undefined) { + color = "#FF0000"; } - // 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 (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(); - // merge the nodeIndices - for (var i = 0; i < this.nodeIndices.length; i++) { - this.sectors["frozen"][sectorId]["nodeIndices"].push(this.nodeIndices[i]); - } - }; + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.minY); + ctx.lineTo(branch.range.maxX,branch.range.maxY); + ctx.stroke(); + + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.maxY); + ctx.lineTo(branch.range.minX,branch.range.maxY); + ctx.stroke(); + ctx.beginPath(); + ctx.moveTo(branch.range.minX,branch.range.maxY); + ctx.lineTo(branch.range.minX,branch.range.minY); + ctx.stroke(); - /** - * This clusters the sector to one cluster. It was a single cluster before this process started so - * we revert to that state. The clusterToFit function with a maximum size of 1 node does this. - * - * @private - */ - exports._collapseThisToSingleCluster = function() { - this.clusterToFit(1,false); + /* + if (branch.mass > 0) { + ctx.circle(branch.centerOfMass.x, branch.centerOfMass.y, 3*branch.mass); + ctx.stroke(); + } + */ }; +/***/ }, +/* 61 */ +/***/ function(module, exports, __webpack_require__) { + /** - * We create a new active sector from the node that we want to open. + * Creation of the ClusterMixin var. * - * @param node - * @private + * This contains all the functions the Network object can use to employ clustering */ - 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!!"); - // } + /** + * 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); - // 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]; + // updates the lables after clustering + this.updateLabels(); - var unqiueIdentifier = util.randomUUID(); + // this is called here because if clusterin is disabled, the start and stabilize are called in + // the setData function. + if (this.stabilize) { + this._stabilize(); + } + this.start(); + }; - // we fully freeze the currently active sector - this._freezeSector(sector); + /** + * This function clusters until the initialMaxNodes has been reached + * + * @param {Number} maxNumberOfNodes + * @param {Boolean} reposition + */ + exports.clusterToFit = function(maxNumberOfNodes, reposition) { + var numberOfNodes = this.nodeIndices.length; - // we create a new active sector. This sector has the Id of the node to ensure uniqueness - this._createNewSector(unqiueIdentifier); + var maxLevels = 50; + var level = 0; - // we add the active sector to the sectors array to be able to revert these steps later on - this._setActiveSector(unqiueIdentifier); + // 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 + } - // we redirect the global references to the new sector's references. this._sector() now returns unqiueIdentifier - this._switchToSector(this._sector()); + numberOfNodes = this.nodeIndices.length; + level += 1; + } - // finally we add the node we removed from our previous active sector to the new active sector - this.nodes[node.id] = node; + // after the clustering we reposition the nodes to reduce the initial chaos + if (level > 0 && reposition == true) { + this.repositionNodes(); + } + this._updateCalculationNodes(); }; - /** - * We close the sector that is currently open and revert back to the one before. - * If the active sector is the "default" sector, nothing happens. + * This function 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._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(); + exports.openCluster = function(node) { + var isMovingBeforeClustering = this.moving; + if (node.clusterSize > this.constants.clustering.sectorThreshold && this._nodeInActiveArea(node) && + !(this._sector() == "default" && this.nodeIndices.length == 1)) { + // this loads a new sector, loads the nodes and edges and nodeIndices of it. + this._addSector(node); + var level = 0; - // we collapse the sector back to a single cluster - this._collapseThisToSingleCluster(); + // 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 move the remaining nodes, edges and nodeIndices to the previous sector. - // This previous sector is the one we will reactivate - this._mergeThisWithFrozen(previousSector); + } + else { + this._expandClusterNode(node,false,true); - // 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); + // update the index list, dynamic edges and labels + this._updateNodeIndexList(); + this._updateDynamicEdges(); + this._updateCalculationNodes(); + this.updateLabels(); + } - // we activate the previously active (and currently frozen) sector. - this._activateSector(previousSector); + // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded + if (this.moving != isMovingBeforeClustering) { + this.start(); + } + }; - // we load the references from the newly active sector into the global references - this._switchToSector(previousSector); - // we forget the previously active sector because we reverted to the one before - this._forgetLastSector(); + /** + * This calls the updateClustes with default arguments + */ + exports.updateClustersDefault = function() { + if (this.constants.clustering.enabled == true) { + this.updateClusters(0,false,false); + } + }; - // finally, we update the node index list. - this._updateNodeIndexList(); - // we refresh the list with calulation nodes and calculation node indices. - this._updateCalculationNodes(); - } - } + /** + * This function can be called to increase the cluster level. This means that the nodes with only one edge connection will + * be clustered with their connected node. This can be repeated as many times as needed. + * This can be called externally (by a keybind for instance) to reduce the complexity of big datasets. + */ + exports.increaseClusterLevel = function() { + this.updateClusters(-1,false,true); }; /** - * This 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 + * 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._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) ); - } - } - } - } - // we revert the global references back to our active sector - this._loadLatestSector(); - return returnValues; + exports.decreaseClusterLevel = function() { + this.updateClusters(1,false,true); }; /** - * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). + * 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 {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.updateClusters = function(zoomDirection,recursive,force,doNotStart) { + var isMovingBeforeClustering = this.moving; + var amountOfNodes = this.nodeIndices.length; + + // on zoom out collapse the sector if the scale is at the level the sector was made + if (this.previousScale > this.scale && zoomDirection == 0) { + this._collapseSector(); } - else { - this._switchToSupportSector(); - var args = Array.prototype.splice.call(arguments, 1); - if (args.length > 1) { - returnValues = this[runFunction](args[0],args[1]); + + // check if we zoom in or out + if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out + // forming clusters when forced pulls outliers in. When not forced, the edge length of the + // outer nodes determines if it is being clustered + this._formClusters(force); + } + else if (this.previousScale < this.scale || zoomDirection == 1) { // zoom in + if (force == true) { + // _openClusters checks for each node if the formationScale of the cluster is smaller than + // the current scale and if so, declusters. When forced, all clusters are reduced by one step + this._openClusters(recursive,force); } else { - returnValues = this[runFunction](argument); + // if a cluster takes up a set percentage of the active window + this._openClustersBySize(); } } - // we revert the global references back to our active sector - this._loadLatestSector(); - return returnValues; - }; + this._updateNodeIndexList(); + // if a cluster was NOT formed and the user zoomed out, we try clustering by hubs + if (this.nodeIndices.length == amountOfNodes && (this.previousScale > this.scale || zoomDirection == -1)) { + this._aggregateHubs(force); + this._updateNodeIndexList(); + } - /** - * This runs a function in all frozen sectors. This is used in the _redraw(). - * - * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors - * | we don't pass the function itself because then the "this" is the window object - * | instead of the Network object - * @param {*} [argument] | Optional: arguments to pass to the runFunction - * @private - */ - exports._doInAllFrozenSectors = function(runFunction,argument) { - if (argument === undefined) { - for (var sector in this.sectors["frozen"]) { - if (this.sectors["frozen"].hasOwnProperty(sector)) { - // switch the global references to those of this sector - this._switchToFrozenSector(sector); - this[runFunction](); - } - } + // we now reduce chains. + if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out + this.handleChains(); + this._updateNodeIndexList(); } - else { - for (var sector in this.sectors["frozen"]) { - if (this.sectors["frozen"].hasOwnProperty(sector)) { - // switch the global references to those of this sector - this._switchToFrozenSector(sector); - var args = Array.prototype.splice.call(arguments, 1); - if (args.length > 1) { - this[runFunction](args[0],args[1]); - } - else { - this[runFunction](argument); - } - } + + this.previousScale = this.scale; + + // rest of the update the index list, dynamic edges and labels + this._updateDynamicEdges(); + this.updateLabels(); + + // if a cluster was formed, we increase the clusterSession + if (this.nodeIndices.length < amountOfNodes) { // this means a clustering operation has taken place + this.clusterSession += 1; + // if clusters have been made, we normalize the cluster level + this.normalizeClusterLevels(); + } + + if (doNotStart == false || doNotStart === undefined) { + // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded + if (this.moving != isMovingBeforeClustering) { + this.start(); } } - this._loadLatestSector(); - }; + this._updateCalculationNodes(); + }; /** - * This runs a function in all sectors. This is used in the _redraw(). - * - * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors - * | we don't pass the function itself because then the "this" is the window object - * | instead of the Network object - * @param {*} [argument] | Optional: arguments to pass to the runFunction - * @private + * This function handles the chains. It is called on every updateClusters(). */ - exports._doInAllSectors = function(runFunction,argument) { - var args = Array.prototype.splice.call(arguments, 1); - if (argument === undefined) { - this._doInAllActiveSectors(runFunction); - this._doInAllFrozenSectors(runFunction); - } - else { - if (args.length > 1) { - this._doInAllActiveSectors(runFunction,args[0],args[1]); - this._doInAllFrozenSectors(runFunction,args[0],args[1]); - } - else { - this._doInAllActiveSectors(runFunction,argument); - this._doInAllFrozenSectors(runFunction,argument); - } + exports.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 clears the nodeIndices list. We cannot use this.nodeIndices = [] because we would break the link with the - * active sector. Thus we clear the nodeIndices in the active sector, then reconnect the this.nodeIndices to it. + * this functions starts clustering by hubs + * The minimum hub threshold is set globally * * @private */ - exports._clearNodeIndexList = function() { - var sector = this._sector(); - this.sectors["active"][sector]["nodeIndices"] = []; - this.nodeIndices = this.sectors["active"][sector]["nodeIndices"]; + exports._aggregateHubs = function(force) { + this._getHubSize(); + this._formClustersByHub(force,false); }; /** - * Draw the encompassing sector node + * This function is fired by keypress. It forces hubs to form. * - * @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.forceAggregateHubs = function(doNotStart) { + var isMovingBeforeClustering = this.moving; + var amountOfNodes = this.nodeIndices.length; - this._switchToSector(sector,sectorType); + this._aggregateHubs(true); - 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); - } - } + // 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._drawAllSectorNodes = function(ctx) { - this._drawSectorNodes(ctx,"frozen"); - this._drawSectorNodes(ctx,"active"); - this._loadLatestSector(); + 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(); + } + } }; - -/***/ }, -/* 59 */ -/***/ function(module, exports, __webpack_require__) { - - var Node = __webpack_require__(40); - /** - * This function can be called from the _doInAllSectors function + * If a cluster takes up more than a set percentage of the screen, open the cluster * - * @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._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); + } } } } }; + /** - * 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 + * This function loops over all nodes in the nodeIndices list. For each node it checks if it is a cluster and if it + * has to be opened based on the current zoom level. + * * @private */ - exports._getAllNodesOverlappingWith = function (object) { - var overlappingNodes = []; - this._doInAllActiveSectors("_getNodesOverlappingWith",object,overlappingNodes); - return overlappingNodes; + 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(); + } }; - /** - * Return a position object in canvasspace from a single point in screenspace + * 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 pointer - * @returns {{left: number, top: number, right: number, bottom: number}} + * @param {Node} parentNode | to check for cluster and expand + * @param {Boolean} recursive | enabled or disable recursive calling + * @param {Boolean} force | enabled or disable forcing + * @param {Boolean} [openAll] | This will recursively force all nodes in the parent to be released * @private */ - exports._pointerToPositionObject = function(pointer) { - var x = this._XconvertDOMtoCanvas(pointer.x); - var y = this._YconvertDOMtoCanvas(pointer.y); + 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; - return { - left: x, - top: y, - right: x, - bottom: y - }; - }; + // 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); + } + } + } + } + } + } + }; /** - * Get the top node at the a specific point (like a click) + * ONLY CALLED FROM _expandClusterNode * - * @param {{x: Number, y: Number}} pointer - * @return {Node | null} node + * 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._getNodeAt = function (pointer) { - // we first check if this is an navigation controls element - var positionObject = this._pointerToPositionObject(pointer); - var overlappingNodes = this._getAllNodesOverlappingWith(positionObject); + exports._expelChildFromParent = function(parentNode, containedNodeId, recursive, force, openAll) { + var childNode = parentNode.containedNodes[containedNodeId]; - // 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; - } - }; + // 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; - /** - * retrieve all edges overlapping with given object, selector is around center - * @param {Object} object An object with parameters left, top, right, bottom - * @return {Number[]} An array with id's of the overlapping nodes - * @private - */ - exports._getEdgesOverlappingWith = function (object, overlappingEdges) { - var edges = this.edges; - for (var edgeId in edges) { - if (edges.hasOwnProperty(edgeId)) { - if (edges[edgeId].isOverlappingWith(object)) { - overlappingEdges.push(edgeId); + // release the contained edges from this childNode back into the global edges + this._releaseContainedEdges(parentNode,childNode); + + // reconnect rerouted edges to the childNode + this._connectEdgeBackToChild(parentNode,childNode); + + // validate all edges in dynamicEdges + this._validateEdges(parentNode); + + // undo the changes from the clustering operation on the parent node + parentNode.options.mass -= childNode.options.mass; + parentNode.clusterSize -= childNode.clusterSize; + parentNode.options.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*(parentNode.clusterSize-1)); + parentNode.dynamicEdgesLength = parentNode.dynamicEdges.length; + + // place the child node near the parent, not at the exact same location to avoid chaos in the system + childNode.x = parentNode.x + parentNode.growthIndicator * (0.5 - Math.random()); + childNode.y = parentNode.y + parentNode.growthIndicator * (0.5 - Math.random()); + + // remove node from the list + delete parentNode.containedNodes[containedNodeId]; + + // check if there are other childs with this clusterSession in the parent. + var othersPresent = false; + for (var childNodeId in parentNode.containedNodes) { + if (parentNode.containedNodes.hasOwnProperty(childNodeId)) { + if (parentNode.containedNodes[childNodeId].clusterSession == childNode.clusterSession) { + othersPresent = true; + break; + } } } - } - }; + // if there are no others, remove the cluster session from the list + if (othersPresent == false) { + parentNode.clusterSessions.pop(); + } + this._repositionBezierNodes(childNode); + // this._repositionBezierNodes(parentNode); - /** - * 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; - }; + // remove the clusterSession from the child node + childNode.clusterSession = 0; - /** - * 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); + // recalculate the size of the node on the next time the node is rendered + parentNode.clearSizeCache(); - if (overlappingEdges.length > 0) { - return this.edges[overlappingEdges[overlappingEdges.length - 1]]; + // restart the simulation to reorganise all nodes + this.moving = true; } - else { - return null; + + // check if a further expansion step is possible if recursivity is enabled + if (recursive == true) { + this._expandClusterNode(childNode,recursive,force,openAll); } }; /** - * Add object to the selection array. + * position the bezier nodes at the center of the edges * - * @param obj + * @param node * @private */ - exports._addToSelection = function(obj) { - if (obj instanceof Node) { - this.selectionObj.nodes[obj.id] = obj; - } - else { - this.selectionObj.edges[obj.id] = obj; + exports._repositionBezierNodes = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + node.dynamicEdges[i].positionBezierNode(); } }; + /** - * Add object to the selection array. + * This function checks if any nodes at the end of their trees have edges below a threshold length + * This function is called only from updateClusters() + * forceLevelCollapse ignores the length of the edge and collapses one level + * This means that a node with only one edge will be clustered with its connected node * - * @param obj * @private + * @param {Boolean} force */ - exports._addToHover = function(obj) { - if (obj instanceof Node) { - this.hoverObj.nodes[obj.id] = obj; + exports._formClusters = function(force) { + if (force == false) { + this._formClustersByZoom(); } else { - this.hoverObj.edges[obj.id] = obj; + this._forceClustersByZoom(); } }; /** - * Remove a single option from selection. + * This function handles the clustering by zooming out, this is based on a minimum edge distance * - * @param {Object} obj * @private */ - exports._removeFromSelection = function(obj) { - if (obj instanceof Node) { - delete this.selectionObj.nodes[obj.id]; - } - else { - delete this.selectionObj.edges[obj.id]; + exports._formClustersByZoom = function() { + var dx,dy,length, + minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; + + // check if any edges are shorter than minLength and start the clustering + // the clustering favours the node with the larger mass + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + var edge = this.edges[edgeId]; + if (edge.connected) { + if (edge.toId != edge.fromId) { + dx = (edge.to.x - edge.from.x); + dy = (edge.to.y - edge.from.y); + length = Math.sqrt(dx * dx + dy * dy); + + + if (length < minLength) { + // first check which node is larger + var parentNode = edge.from; + var childNode = edge.to; + if (edge.to.options.mass > edge.from.options.mass) { + parentNode = edge.to; + childNode = edge.from; + } + + if (childNode.dynamicEdgesLength == 1) { + this._addToCluster(parentNode,childNode,false); + } + else if (parentNode.dynamicEdgesLength == 1) { + this._addToCluster(childNode,parentNode,false); + } + } + } + } + } } }; /** - * Unselect all. The selectionObj is useful for this. + * This function forces the network to cluster all nodes with only one connecting edge to their + * connected node. * - * @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(); - } - } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - this.selectionObj.edges[edgeId].unselect(); - } - } + 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]; - this.selectionObj = {nodes:{},edges:{}}; + // 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 (doNotTrigger == false) { - this.emit('select', this.getSelection()); + // 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); + } + } + } + } } }; + /** - * Unselect all clusters. The selectionObj is useful for this. + * To keep the nodes of roughly equal size we normalize the cluster levels. + * This function clusters a node to its smallest connected neighbour. * - * @param {Boolean} [doNotTrigger] | ignore trigger + * @param node * @private */ - exports._unselectClusters = function(doNotTrigger) { - if (doNotTrigger === undefined) { - doNotTrigger = false; - } + 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; + } - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - if (this.selectionObj.nodes[nodeId].clusterSize > 1) { - this.selectionObj.nodes[nodeId].unselect(); - this._removeFromSelection(this.selectionObj.nodes[nodeId]); + + if (neighbour != null && smallestNeighbour > neighbour.clusterSessions.length) { + smallestNeighbour = neighbour.clusterSessions.length; + smallestNeighbourNode = neighbour; } } } - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); + if (neighbour != null && this.nodes[neighbour.id] !== undefined) { + this._addToCluster(neighbour, node, true); } }; /** - * return the number of selected nodes + * This function forms clusters from hubs, it loops over all nodes * - * @returns {number} + * @param {Boolean} force | Disregard zoom level + * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges * @private */ - exports._getSelectedNodeCount = function() { - var count = 0; - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - count += 1; + exports._formClustersByHub = function(force, onlyEqual) { + // we loop over all nodes in the list + for (var nodeId in this.nodes) { + // we check if it is still available since it can be used by the clustering in this loop + if (this.nodes.hasOwnProperty(nodeId)) { + this._formClusterFromHub(this.nodes[nodeId],force,onlyEqual); } } - return count; }; /** - * return the selected node + * This function forms a cluster from a specific preselected hub node * - * @returns {number} + * @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._getSelectedNode = function() { - for (var nodeId in this.selectionObj.nodes) { - if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { - return this.selectionObj.nodes[nodeId]; + exports._formClusterFromHub = function(hubNode, force, onlyEqual, absorptionSizeOffset) { + if (absorptionSizeOffset === undefined) { + absorptionSizeOffset = 0; + } + // we decide if the node is a hub + if ((hubNode.dynamicEdgesLength >= this.hubThreshold && onlyEqual == false) || + (hubNode.dynamicEdgesLength == this.hubThreshold && onlyEqual == true)) { + // initialize variables + var dx,dy,length; + var minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; + var allowCluster = false; + + // we create a list of edges because the dynamicEdges change over the course of this loop + var edgesIdarray = []; + var amountOfInitialEdges = hubNode.dynamicEdges.length; + for (var j = 0; j < amountOfInitialEdges; j++) { + edgesIdarray.push(hubNode.dynamicEdges[j].id); + } + + // if the hub clustering is not forces, we check if one of the edges connected + // to a cluster is small enough based on the constants.clustering.clusterEdgeThreshold + if (force == false) { + allowCluster = false; + for (j = 0; j < amountOfInitialEdges; j++) { + var edge = this.edges[edgesIdarray[j]]; + if (edge !== undefined) { + if (edge.connected) { + if (edge.toId != edge.fromId) { + dx = (edge.to.x - edge.from.x); + dy = (edge.to.y - edge.from.y); + length = Math.sqrt(dx * dx + dy * dy); + + if (length < minLength) { + allowCluster = true; + break; + } + } + } + } + } + } + + // start the clustering if allowed + if ((!force && allowCluster) || force) { + // we loop over all edges INITIALLY connected to this hub + for (j = 0; j < amountOfInitialEdges; j++) { + edge = this.edges[edgesIdarray[j]]; + // the edge can be clustered by this function in a previous loop + if (edge !== undefined) { + var childNode = this.nodes[(edge.fromId == hubNode.id) ? edge.toId : edge.fromId]; + // we do not want hubs to merge with other hubs nor do we want to cluster itself. + if ((childNode.dynamicEdges.length <= (this.hubThreshold + absorptionSizeOffset)) && + (childNode.id != hubNode.id)) { + this._addToCluster(hubNode,childNode,force); + } + } + } } } - return null; }; + + /** - * return the selected edge + * This function adds the child node to the parent node, creating a cluster if it is not already. * - * @returns {number} + * @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._getSelectedEdge = function() { - for (var edgeId in this.selectionObj.edges) { - if (this.selectionObj.edges.hasOwnProperty(edgeId)) { - return this.selectionObj.edges[edgeId]; + 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); } } - return null; + // a contained node has no dynamic edges. + childNode.dynamicEdges = []; + + // remove circular edges from clusters + this._containCircularEdgesFromNode(parentNode,childNode); + + + // remove the childNode from the global nodes object + delete this.nodes[childNode.id]; + + // update the properties of the child and parent + var massBefore = parentNode.options.mass; + childNode.clusterSession = this.clusterSession; + parentNode.options.mass += childNode.options.mass; + parentNode.clusterSize += childNode.clusterSize; + parentNode.options.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*parentNode.clusterSize); + + // keep track of the clustersessions so we can open the cluster up as it has been formed. + if (parentNode.clusterSessions[parentNode.clusterSessions.length - 1] != this.clusterSession) { + parentNode.clusterSessions.push(this.clusterSession); + } + + // forced clusters only open from screen size and double tap + if (force == true) { + // parentNode.formationScale = Math.pow(1 - (1.0/11.0),this.clusterSession+3); + parentNode.formationScale = 0; + } + else { + parentNode.formationScale = this.scale; // The latest child has been added on this scale + } + + // recalculate the size of the node on the next time the node is rendered + parentNode.clearSizeCache(); + + // set the pop-out scale for the childnode + parentNode.containedNodes[childNode.id].formationScale = parentNode.formationScale; + + // nullify the movement velocity of the child, this is to avoid hectic behaviour + childNode.clearVelocity(); + + // the mass has altered, preservation of energy dictates the velocity to be updated + parentNode.updateVelocity(massBefore); + + // restart the simulation to reorganise all nodes + this.moving = true; }; /** - * return the number of selected edges - * - * @returns {number} + * 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._getSelectedEdgeCount = function() { - var count = 0; - for (var edgeId in this.selectionObj.edges) { - if (this.selectionObj.edges.hasOwnProperty(edgeId)) { - count += 1; + exports._updateDynamicEdges = function() { + for (var i = 0; i < this.nodeIndices.length; i++) { + var node = this.nodes[this.nodeIndices[i]]; + node.dynamicEdgesLength = node.dynamicEdges.length; + + // this corrects for multiple edges pointing at the same other node + var correction = 0; + if (node.dynamicEdgesLength > 1) { + for (var j = 0; j < node.dynamicEdgesLength - 1; j++) { + var edgeToId = node.dynamicEdges[j].toId; + var edgeFromId = node.dynamicEdges[j].fromId; + for (var k = j+1; k < node.dynamicEdgesLength; k++) { + if ((node.dynamicEdges[k].toId == edgeToId && node.dynamicEdges[k].fromId == edgeFromId) || + (node.dynamicEdges[k].fromId == edgeToId && node.dynamicEdges[k].toId == edgeFromId)) { + correction += 1; + } + } + } } + node.dynamicEdgesLength -= correction; } - return count; }; /** - * return the number of selected objects. + * This adds an edge from the childNode to the contained edges of the parent node * - * @returns {number} + * @param parentNode | Node object + * @param childNode | Node object + * @param edge | Edge object * @private */ - exports._getSelectedObjectCount = function() { - var count = 0; - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - count += 1; - } + 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] = [] } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - count += 1; + // 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; } } - return count; }; /** - * Check if anything is selected + * 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. * - * @returns {boolean} + * @param {Node} parentNode | Node object + * @param {Node} childNode | Node object + * @param {Edge} edge | Edge object * @private */ - exports._selectionIsEmpty = function() { - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - return false; - } + exports._connectEdgeToCluster = function(parentNode, childNode, edge) { + // handle circular edges + if (edge.toId == edge.fromId) { + this._addToContainedEdges(parentNode, childNode, edge); } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - return false; + 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; } - } - return true; - }; - + else { // edge connected to other node with the "from" side - /** - * check if one of the selected nodes is a cluster. - * - * @returns {boolean} - * @private - */ - exports._clusterInSelection = function() { - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - if (this.selectionObj.nodes[nodeId].clusterSize > 1) { - return true; - } + edge.originalFromId.push(childNode.id); + edge.from = parentNode; + edge.fromId = parentNode.id; } - } - return false; - }; - /** - * select the edges connected to the node that is being selected - * - * @param {Node} node - * @private - */ - exports._selectConnectedEdges = function(node) { - for (var i = 0; i < node.dynamicEdges.length; i++) { - var edge = node.dynamicEdges[i]; - edge.select(); - this._addToSelection(edge); + this._addToReroutedEdges(parentNode,childNode,edge); } }; + /** - * select the edges connected to the node that is being selected + * If a node is connected to itself, a circular edge is drawn. When clustering we want to contain + * these edges inside of the cluster. * - * @param {Node} node + * @param parentNode + * @param childNode * @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._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); + } } }; /** - * unselect the edges connected to the node that is being selected + * This adds an edge from the childNode to the rerouted edges of the parent node * - * @param {Node} node + * @param parentNode | Node object + * @param childNode | Node object + * @param edge | Edge object * @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._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); + }; /** - * This is called when someone clicks on a node. either select or deselect it. - * If there is an existing selection and we don't want to append to it, clear the existing selection + * This function connects an edge that was connected to a cluster node back to the child node. * - * @param {Node || Edge} object - * @param {Boolean} append - * @param {Boolean} [doNotTrigger] | ignore trigger + * @param parentNode | Node object + * @param childNode | Node object * @private */ - exports._selectObject = function(object, append, doNotTrigger, highlightEdges, overrideSelectable) { - if (doNotTrigger === undefined) { - doNotTrigger = false; - } - if (highlightEdges === undefined) { - highlightEdges = true; - } + 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; + } - if (this._selectionIsEmpty() == false && append == false && this.forceAppendSelection == false) { - this._unselectAll(true); - } + // append this edge to the list of edges connecting to the childnode + childNode.dynamicEdges.push(edge); - // selectable allows the object to be selected. Override can be used if needed to bypass this. - if (object.selected == false && (this.constants.selectable == true || overrideSelectable)) { - object.select(); - this._addToSelection(object); - if (object instanceof Node && this.blockConnectingEdgeSelection == false && highlightEdges == true) { - this._selectConnectedEdges(object); + // remove the edge from the parent object + for (var j = 0; j < parentNode.dynamicEdges.length; j++) { + if (parentNode.dynamicEdges[j].id == edge.id) { + parentNode.dynamicEdges.splice(j,1); + break; + } + } } - } - // do not select the object if selectable is false, only add it to selection to allow drag to work - else if (object.selected == false) { - this._addToSelection(object); - doNotTrigger = true; - } - else { - object.unselect(); - this._removeFromSelection(object); - } - - if (doNotTrigger == false) { - this.emit('select', this.getSelection()); + // remove the entry from the rerouted edges + delete parentNode.reroutedEdges[childNode.id]; } }; /** - * This is called when someone clicks on a node. either select or deselect it. - * If there is an existing selection and we don't want to append to it, clear the existing selection - * - * @param {Node || Edge} object - * @private - */ - exports._blurObject = function(object) { - if (object.hover == true) { - object.hover = false; - this.emit("blurNode",{node:object.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 + * 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 {Node || Edge} object + * @param parentNode | Node object * @private */ - exports._hoverObject = function(object) { - if (object.hover == false) { - object.hover = true; - this._addToHover(object); - if (object instanceof Node) { - this.emit("hoverNode",{node:object.id}); + exports._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 (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 function released the contained edges back into the global domain and puts them back into the + * dynamic edges of both parent and child. * - * @param {Object} pointer + * @param {Node} parentNode | + * @param {Node} childNode | * @private */ - exports._handleTouch = function(pointer) { - }; + exports._releaseContainedEdges = function(parentNode, childNode) { + for (var i = 0; i < parentNode.containedEdges[childNode.id].length; i++) { + var edge = parentNode.containedEdges[childNode.id][i]; + // put the edge back in the global edges object + this.edges[edge.id] = edge; - /** - * 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(); - } + // put the edge back in the dynamic edges of the child and parent + childNode.dynamicEdges.push(edge); + parentNode.dynamicEdges.push(edge); } - this.emit("click", this.getSelection()); - this._redraw(); + // remove the entry from the contained edges + delete parentNode.containedEdges[childNode.id]; + }; - /** - * handles the selection part of the double tap and opens a cluster if needed - * - * @param {Object} pointer - * @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); - } - this.emit("doubleClick", this.getSelection()); - }; + + + // ------------------- UTILITY FUNCTIONS ---------------------------- // /** - * Handle the onHold selection part - * - * @param pointer - * @private + * This updates the node labels for all nodes (for debugging purposes) */ - exports._handleOnHold = function(pointer) { - var node = this._getNodeAt(pointer); - if (node != null) { - this._selectObject(node,true); + 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),"]"); + } + } } - else { - var edge = this._getEdgeAt(pointer); - if (edge != null) { - this._selectObject(edge,true); + + // 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._redraw(); - }; + // /* Debug Override */ + // for (nodeId in this.nodes) { + // if (this.nodes.hasOwnProperty(nodeId)) { + // node = this.nodes[nodeId]; + // node.label = String(node.level); + // } + // } - /** - * handle the onRelease event. These functions are here for the navigation controls module - * and data manipulation module. - * - * @private - */ - exports._handleOnRelease = function(pointer) { - this._manipulationReleaseOverload(pointer); - this._navigationReleaseOverload(pointer); }; - exports._manipulationReleaseOverload = function (pointer) {}; - exports._navigationReleaseOverload = function (pointer) {}; /** - * - * retrieve the currently selected objects - * @return {{nodes: Array., edges: Array.}} selection + * 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.getSelection = function() { - var nodeIds = this.getSelectedNodes(); - var edgeIds = this.getSelectedEdges(); - return {nodes:nodeIds, edges:edgeIds}; - }; + exports.normalizeClusterLevels = function() { + var maxLevel = 0; + var minLevel = 1e9; + var clusterLevel = 0; + var nodeId; - /** - * - * 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); - } + // we loop over all nodes in the list + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + clusterLevel = this.nodes[nodeId].clusterSessions.length; + if (maxLevel < clusterLevel) {maxLevel = clusterLevel;} + if (minLevel > clusterLevel) {minLevel = clusterLevel;} } } - return 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); + if (maxLevel - minLevel > this.constants.clustering.clusterLevelDifference) { + var amountOfNodes = this.nodeIndices.length; + var targetLevel = maxLevel - this.constants.clustering.clusterLevelDifference; + // we loop over all nodes in the list + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + if (this.nodes[nodeId].clusterSessions.length < targetLevel) { + this._clusterToSmallestNeighbour(this.nodes[nodeId]); + } } } + this._updateNodeIndexList(); + this._updateDynamicEdges(); + // if a cluster was formed, we increase the clusterSession + if (this.nodeIndices.length != amountOfNodes) { + this.clusterSession += 1; + } } - return idArray; }; + /** - * select zero or more nodes DEPRICATED - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. + * This function determines if the cluster we want to decluster is in the active area + * this means around the zoom center + * + * @param {Node} node + * @returns {boolean} + * @private */ - exports.setSelection = function() { - console.log("setSelection is deprecated. Please use selectNodes instead.") + exports._nodeInActiveArea = function(node) { + return ( + Math.abs(node.x - this.areaCenter.x) <= this.constants.clustering.activeAreaBoxSize/this.scale + && + Math.abs(node.y - this.areaCenter.y) <= this.constants.clustering.activeAreaBoxSize/this.scale + ) }; /** - * select zero or more nodes with the option to highlight edges - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. - * @param {boolean} [highlightEdges] + * This is an adaptation of the original repositioning function. This is called if the system is clustered initially + * It puts large clusters away from the center and randomizes the order. + * */ - exports.selectNodes = function(selection, highlightEdges) { - var i, iMax, id; - - if (!selection || (selection.length == undefined)) - throw 'Selection must be an array with ids'; - - // first unselect any selected node - this._unselectAll(true); - - for (i = 0, iMax = selection.length; i < iMax; i++) { - id = selection[i]; - - var node = this.nodes[id]; - if (!node) { - throw new RangeError('Node with id "' + id + '" not found'); + exports.repositionNodes = function() { + for (var i = 0; i < this.nodeIndices.length; i++) { + var node = this.nodes[this.nodeIndices[i]]; + if ((node.xFixed == false || node.yFixed == false)) { + var radius = 10 * 0.1*this.nodeIndices.length * Math.min(100,node.options.mass); + var angle = 2 * Math.PI * Math.random(); + if (node.xFixed == false) {node.x = radius * Math.cos(angle);} + if (node.yFixed == false) {node.y = radius * Math.sin(angle);} + this._repositionBezierNodes(node); } - this._selectObject(node,true,true,highlightEdges,true); } - this.redraw(); }; /** - * select zero or more edges - * @param {Number[] | String[]} selection An array with the ids of the - * selected nodes. + * We determine how many connections denote an important hub. + * We take the mean + 2*std as the important hub size. (Assuming a normal distribution of data, ~2.2%) + * + * @private */ - exports.selectEdges = function(selection) { - var i, iMax, id; + exports._getHubSize = function() { + var average = 0; + var averageSquared = 0; + var hubCounter = 0; + var largestHub = 0; - if (!selection || (selection.length == undefined)) - throw 'Selection must be an array with ids'; + for (var i = 0; i < this.nodeIndices.length; i++) { - // first unselect any selected node - this._unselectAll(true); + var node = this.nodes[this.nodeIndices[i]]; + if (node.dynamicEdgesLength > largestHub) { + largestHub = node.dynamicEdgesLength; + } + average += node.dynamicEdgesLength; + averageSquared += Math.pow(node.dynamicEdgesLength,2); + hubCounter += 1; + } + average = average / hubCounter; + averageSquared = averageSquared / hubCounter; - for (i = 0, iMax = selection.length; i < iMax; i++) { - id = selection[i]; + var variance = averageSquared - Math.pow(average,2); - var edge = this.edges[id]; - if (!edge) { - throw new RangeError('Edge with id "' + id + '" not found'); - } - this._selectObject(edge,true,true,false,true); + var standardDeviation = Math.sqrt(variance); + + this.hubThreshold = Math.floor(average + 2*standardDeviation); + + // always have at least one to cluster + if (this.hubThreshold > largestHub) { + this.hubThreshold = largestHub; } - this.redraw(); + + // console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); + // console.log("hubThreshold:",this.hubThreshold); }; + /** - * Validate the selection: remove ids of nodes which no longer exist + * We reduce the amount of "extension nodes" or chains. These are not quickly clustered with the outliers and hubs methods + * with this amount we can cluster specifically on these chains. + * + * @param {Number} fraction | between 0 and 1, the percentage of chains to reduce * @private */ - exports._updateSelection = function () { - for(var nodeId in this.selectionObj.nodes) { - if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { - if (!this.nodes.hasOwnProperty(nodeId)) { - delete this.selectionObj.nodes[nodeId]; + exports._reduceAmountOfChains = function(fraction) { + this.hubThreshold = 2; + var reduceAmount = Math.floor(this.nodeIndices.length * fraction); + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + if (this.nodes[nodeId].dynamicEdgesLength == 2 && this.nodes[nodeId].dynamicEdges.length >= 2) { + if (reduceAmount > 0) { + this._formClusterFromHub(this.nodes[nodeId],true,true,1); + reduceAmount -= 1; + } } } } - for(var edgeId in this.selectionObj.edges) { - if(this.selectionObj.edges.hasOwnProperty(edgeId)) { - if (!this.edges.hasOwnProperty(edgeId)) { - delete this.selectionObj.edges[edgeId]; + }; + + /** + * We get the amount of "extension nodes" or chains. These are not quickly clustered with the outliers and hubs methods + * with this amount we can cluster specifically on these chains. + * + * @private + */ + exports._getChainFraction = function() { + var chains = 0; + var total = 0; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + if (this.nodes[nodeId].dynamicEdgesLength == 2 && this.nodes[nodeId].dynamicEdges.length >= 2) { + chains += 1; } + total += 1; } } + return chains/total; }; /***/ }, -/* 60 */ +/* 62 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(1); - var Node = __webpack_require__(40); - var Edge = __webpack_require__(37); + var Node = __webpack_require__(50); /** - * clears the toolbar div element of children + * Creation of the SectorMixin var. * - * @private + * 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._clearManipulatorBar = function() { - while (this.manipulationDiv.hasChildNodes()) { - this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); - } - - 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. + * This function is only called by the setData function of the Network object. + * This loads the global references into the active sector. This initializes the sector. * * @private */ - exports._restoreOverloadedFunctions = function() { - for (var functionName in this.cachedFunctions) { - if (this.cachedFunctions.hasOwnProperty(functionName)) { - this[functionName] = this.cachedFunctions[functionName]; - } - } + exports._putDataInSector = function() { + this.sectors["active"][this._sector()].nodes = this.nodes; + this.sectors["active"][this._sector()].edges = this.edges; + this.sectors["active"][this._sector()].nodeIndices = this.nodeIndices; }; + /** - * Enable or disable edit-mode. + * /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied (active) sector. If a type is defined, do the specific type * + * @param {String} sectorId + * @param {String} [sectorType] | "active" or "frozen" * @private */ - exports._toggleEditMode = function() { - this.editMode = !this.editMode; - var toolbar = document.getElementById("network-manipulationDiv"); - var closeDiv = document.getElementById("network-manipulation-closeDiv"); - var editModeDiv = document.getElementById("network-manipulation-editMode"); - if (this.editMode == true) { - toolbar.style.display="block"; - closeDiv.style.display="block"; - editModeDiv.style.display="none"; - closeDiv.onclick = this._toggleEditMode.bind(this); + exports._switchToSector = function(sectorId, sectorType) { + if (sectorType === undefined || sectorType == "active") { + this._switchToActiveSector(sectorId); } else { - toolbar.style.display="none"; - closeDiv.style.display="none"; - editModeDiv.style.display="block"; - closeDiv.onclick = null; + this._switchToFrozenSector(sectorId); } - this._createManipulatorBar() }; + /** - * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. * + * @param sectorId * @private */ - exports._createManipulatorBar = function() { - // remove bound functions - if (this.boundFunction) { - this.off('select', this.boundFunction); - } + 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"]; + }; - 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 function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. + * + * @private + */ + exports._switchToSupportSector = function() { + this.nodeIndices = this.sectors["support"]["nodeIndices"]; + this.nodes = this.sectors["support"]["nodes"]; + this.edges = this.sectors["support"]["edges"]; + }; - // restore overloaded functions - this._restoreOverloadedFunctions(); - // resume calculation - this.freezeSimulation = false; + /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied frozen sector. + * + * @param sectorId + * @private + */ + exports._switchToFrozenSector = function(sectorId) { + this.nodeIndices = this.sectors["frozen"][sectorId]["nodeIndices"]; + this.nodes = this.sectors["frozen"][sectorId]["nodes"]; + this.edges = this.sectors["frozen"][sectorId]["edges"]; + }; - // reset global variables - this.blockConnectingEdgeSelection = false; - this.forceAppendSelection = false; - if (this.editMode == true) { - while (this.manipulationDiv.hasChildNodes()) { - this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); - } + /** + * 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()); + }; - // add the icons to the manipulator div - this.manipulationDiv.innerHTML = "" + - "" + - ""+locale['addNode'] +"" + - "
" + - "" + - ""+locale['addEdge'] +""; - if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { - this.manipulationDiv.innerHTML += "" + - "
" + - "" + - ""+locale['editNode'] +""; - } - else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { - this.manipulationDiv.innerHTML += "" + - "
" + - "" + - ""+locale['editEdge'] +""; - } - if (this._selectionIsEmpty() == false) { - this.manipulationDiv.innerHTML += "" + - "
" + - "" + - ""+locale['del'] +""; - } + /** + * This function returns the currently active sector Id + * + * @returns {String} + * @private + */ + exports._sector = function() { + return this.activeSector[this.activeSector.length-1]; + }; - // bind the icons - var addNodeButton = document.getElementById("network-manipulate-addNode"); - addNodeButton.onclick = this._createAddNodeToolbar.bind(this); - var addEdgeButton = document.getElementById("network-manipulate-connectNode"); - addEdgeButton.onclick = this._createAddEdgeToolbar.bind(this); - if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { - var editButton = document.getElementById("network-manipulate-editNode"); - editButton.onclick = this._editNode.bind(this); - } - else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { - var editButton = document.getElementById("network-manipulate-editEdge"); - editButton.onclick = this._createEditEdgeToolbar.bind(this); - } - if (this._selectionIsEmpty() == false) { - var deleteButton = document.getElementById("network-manipulate-delete"); - deleteButton.onclick = this._deleteSelected.bind(this); - } - var closeDiv = document.getElementById("network-manipulation-closeDiv"); - closeDiv.onclick = this._toggleEditMode.bind(this); - this.boundFunction = this._createManipulatorBar.bind(this); - this.on('select', this.boundFunction); + /** + * This function returns the previously active sector Id + * + * @returns {String} + * @private + */ + exports._previousSector = function() { + if (this.activeSector.length > 1) { + return this.activeSector[this.activeSector.length-2]; } else { - this.editModeDiv.innerHTML = "" + - "" + - "" + locale['edit'] + ""; - var editModeButton = document.getElementById("network-manipulate-editModeButton"); - editModeButton.onclick = this._toggleEditMode.bind(this); + throw new TypeError('there are not enough sectors in the this.activeSector array.'); } }; - /** - * Create the toolbar for adding Nodes + * We add the active sector at the end of the this.activeSector array + * This ensures it is the currently active sector returned by _sector() and it reaches the top + * of the activeSector stack. When we reverse our steps we move from the end to the beginning of this stack. * + * @param newId * @private */ - exports._createAddNodeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - if (this.boundFunction) { - this.off('select', this.boundFunction); - } - - var locale = this.constants.locales[this.constants.locale]; - - // create the toolbar contents - this.manipulationDiv.innerHTML = "" + - "" + - "" + locale['back'] + " " + - "
" + - "" + - "" + locale['addDescription'] + ""; - - // bind the icon - var backButton = document.getElementById("network-manipulate-back"); - backButton.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); + exports._setActiveSector = function(newId) { + this.activeSector.push(newId); }; /** - * create the toolbar to connect nodes + * We remove the currently active sector id from the active sector stack. This happens when + * we reactivate the previously active sector * * @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); - } - - this._unselectAll(); - this.forceAppendSelection = false; - this.blockConnectingEdgeSelection = true; + exports._forgetLastSector = function() { + this.activeSector.pop(); + }; - this.manipulationDiv.innerHTML = "" + - "" + - "" + locale['back'] + " " + - "
" + - "" + - "" + locale['edgeDescription'] + ""; - // bind the icon - var backButton = document.getElementById("network-manipulate-back"); - backButton.onclick = this._createManipulatorBar.bind(this); + /** + * 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}; - // 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); + // 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; + }; - // temporarily overload functions - this.cachedFunctions["_handleTouch"] = this._handleTouch; - this.cachedFunctions["_manipulationReleaseOverload"] = this._manipulationReleaseOverload; - this.cachedFunctions["_handleDragStart"] = this._handleDragStart; - this.cachedFunctions["_handleDragEnd"] = this._handleDragEnd; - this._handleTouch = this._handleConnect; - this._manipulationReleaseOverload = function () {}; - this._handleDragStart = function () {}; - this._handleDragEnd = this._finishConnect; - // redraw to show the unselect - this._redraw(); + /** + * This function removes the currently active sector. This is called when we create a new + * active sector. + * + * @param {String} sectorId | Id of the active sector that will be removed + * @private + */ + exports._deleteActiveSector = function(sectorId) { + delete this.sectors["active"][sectorId]; }; + /** - * create the toolbar to edit edges + * This function removes the currently active sector. This is called when we reactivate + * the previously active sector. * + * @param {String} sectorId | Id of the active sector that will be removed * @private */ - exports._createEditEdgeToolbar = function() { - // clear the toolbar - this._clearManipulatorBar(); - this.controlNodesActive = true; - - if (this.boundFunction) { - this.off('select', this.boundFunction); - } + exports._deleteFrozenSector = function(sectorId) { + delete this.sectors["frozen"][sectorId]; + }; - this.edgeBeingEdited = this._getSelectedEdge(); - this.edgeBeingEdited._enableControlNodes(); - var locale = this.constants.locales[this.constants.locale]; + /** + * Freezing an active sector means moving it from the "active" object to the "frozen" object. + * We copy the references, then delete the active entree. + * + * @param sectorId + * @private + */ + exports._freezeSector = function(sectorId) { + // we move the set references from the active to the frozen stack. + this.sectors["frozen"][sectorId] = this.sectors["active"][sectorId]; - this.manipulationDiv.innerHTML = "" + - "" + - "" + locale['back'] + " " + - "
" + - "" + - "" + locale['editEdgeDescription'] + ""; + // we have moved the sector data into the frozen set, we now remove it from the active set + this._deleteActiveSector(sectorId); + }; - // bind the icon - var backButton = document.getElementById("network-manipulate-back"); - backButton.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; + /** + * This is the reverse operation of _freezeSector. Activating means moving the sector from the "frozen" + * object to the "active" object. + * + * @param sectorId + * @private + */ + exports._activateSector = function(sectorId) { + // we move the set references from the frozen to the active stack. + this.sectors["active"][sectorId] = this.sectors["frozen"][sectorId]; - // redraw to show the unselect - this._redraw(); + // we have moved the sector data into the active set, we now remove it from the frozen stack + this._deleteFrozenSector(sectorId); }; /** - * 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 function merges the data from the currently active sector with a frozen sector. This is used + * in the process of reverting back to the previously active sector. + * The data that is placed in the frozen (the previously active) sector is the node that has been removed from it + * upon the creation of a new active sector. * + * @param sectorId * @private */ - exports._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; + exports._mergeThisWithFrozen = function(sectorId) { + // copy all nodes + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.sectors["frozen"][sectorId]["nodes"][nodeId] = this.nodes[nodeId]; + } + } + + // copy all edges (if not fully clustered, else there are no edges) + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + this.sectors["frozen"][sectorId]["edges"][edgeId] = this.edges[edgeId]; + } + } + + // merge the nodeIndices + for (var i = 0; i < this.nodeIndices.length; i++) { + this.sectors["frozen"][sectorId]["nodeIndices"].push(this.nodeIndices[i]); } - 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. + * This clusters the sector to one cluster. It was a single cluster before this process started so + * we revert to that state. The clusterToFit function with a maximum size of 1 node does this. * * @private */ - exports._controlNodeDrag = function(event) { - var pointer = this._getPointer(event.gesture.center); - if (this.selectedControlNode !== null && this.selectedControlNode !== undefined) { - this.selectedControlNode.x = this._XconvertDOMtoCanvas(pointer.x); - this.selectedControlNode.y = this._YconvertDOMtoCanvas(pointer.y); - } - this._redraw(); + exports._collapseThisToSingleCluster = function() { + this.clusterToFit(1,false); }; - exports._releaseControlNode = function(pointer) { - var newNode = this._getNodeAt(pointer); - if (newNode != null) { - if (this.edgeBeingEdited.controlNodes.from.selected == true) { - this._editEdge(newNode.id, this.edgeBeingEdited.to.id); - this.edgeBeingEdited.controlNodes.from.unselect(); - } - if (this.edgeBeingEdited.controlNodes.to.selected == true) { - this._editEdge(this.edgeBeingEdited.from.id, newNode.id); - this.edgeBeingEdited.controlNodes.to.unselect(); - } - } - else { - this.edgeBeingEdited._restoreControlNodes(); - } - this.freezeSimulation = false; - this._redraw(); - }; /** - * the function bound to the selection event. It checks if you want to connect a cluster and changes the description - * to walk the user through the process. + * We create a new active sector from the node that we want to open. * + * @param node * @private */ - exports._handleConnect = function(pointer) { - if (this._getSelectedNodeCount() == 0) { - var node = this._getNodeAt(pointer); + exports._addSector = function(node) { + // this is the currently active sector + var sector = this._sector(); - if (node != null) { - if (node.clusterSize > 1) { - alert(this.constants.locales[this.constants.locale]['createEdgeError']) - } - else { - this._selectObject(node,false); - var supportNodes = this.sectors['support']['nodes']; + // // 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!!"); + // } - // 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; + // 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]; - // 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; + var unqiueIdentifier = util.randomUUID(); - 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); - }; + // we fully freeze the currently active sector + this._freezeSector(sector); - this.moving = true; - this.start(); - } - } - } + // we create a new active sector. This sector has the Id of the node to ensure uniqueness + this._createNewSector(unqiueIdentifier); + + // we add the active sector to the sectors array to be able to revert these steps later on + this._setActiveSector(unqiueIdentifier); + + // we redirect the global references to the new sector's references. this._sector() now returns unqiueIdentifier + this._switchToSector(this._sector()); + + // finally we add the node we removed from our previous active sector to the new active sector + this.nodes[node.id] = node; }; - exports._finishConnect = function(event) { - if (this._getSelectedNodeCount() == 1) { - var pointer = this._getPointer(event.gesture.center); - // restore the drag function - this._handleOnDrag = this.cachedFunctions["_handleOnDrag"]; - delete this.cachedFunctions["_handleOnDrag"]; - // remember the edge id - var connectFromId = this.edges['connectionEdge'].fromId; + /** + * We close the sector that is currently open and revert back to the one before. + * If the active sector is the "default" sector, nothing happens. + * + * @private + */ + exports._collapseSector = function() { + // the currently active sector + var sector = this._sector(); - // remove the temporary nodes and edge - delete this.edges['connectionEdge']; - delete this.sectors['support']['nodes']['targetNode']; - delete this.sectors['support']['nodes']['targetViaNode']; + // 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(); - var node = this._getNodeAt(pointer); - if (node != null) { - if (node.clusterSize > 1) { - alert(this.constants.locales[this.constants.locale]["createEdgeError"]) - } - else { - this._createEdge(connectFromId,node.id); - this._createManipulatorBar(); - } + // we collapse the sector back to a single cluster + this._collapseThisToSingleCluster(); + + // we move the remaining nodes, edges and nodeIndices to the previous sector. + // This previous sector is the one we will reactivate + this._mergeThisWithFrozen(previousSector); + + // the previously active (frozen) sector now has all the data from the currently active sector. + // we can now delete the active sector. + this._deleteActiveSector(sector); + + // we activate the previously active (and currently frozen) sector. + this._activateSector(previousSector); + + // we load the references from the newly active sector into the global references + this._switchToSector(previousSector); + + // we forget the previously active sector because we reverted to the one before + this._forgetLastSector(); + + // finally, we update the node index list. + this._updateNodeIndexList(); + + // we refresh the list with calulation nodes and calculation node indices. + this._updateCalculationNodes(); } - this._unselectAll(); } }; /** - * Adds a node on the specified location + * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). + * + * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors + * | we dont pass the function itself because then the "this" is the window object + * | instead of the Network object + * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @private */ - exports._addNode = function() { - if (this._selectionIsEmpty() && this.editMode == true) { - var positionObject = this._pointerToPositionObject(this.pointerPosition); - var defaultData = {id:util.randomUUID(),x:positionObject.left,y:positionObject.top,label:"new",allowedToMoveX:true,allowedToMoveY:true}; - if (this.triggerFunctions.add) { - if (this.triggerFunctions.add.length == 2) { - var me = this; - this.triggerFunctions.add(defaultData, function(finalizedData) { - me.nodesData.add(finalizedData); - me._createManipulatorBar(); - me.moving = true; - me.start(); - }); - } - else { - throw new Error('The function for add does not support two arguments (data,callback)'); - this._createManipulatorBar(); - this.moving = true; - this.start(); + exports._doInAllActiveSectors = function(runFunction,argument) { + var returnValues = []; + if (argument === undefined) { + for (var sector in this.sectors["active"]) { + if (this.sectors["active"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToActiveSector(sector); + returnValues.push( this[runFunction]() ); } } - else { - this.nodesData.add(defaultData); - this._createManipulatorBar(); - this.moving = true; - this.start(); + } + else { + for (var sector in this.sectors["active"]) { + if (this.sectors["active"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToActiveSector(sector); + var args = Array.prototype.splice.call(arguments, 1); + if (args.length > 1) { + returnValues.push( this[runFunction](args[0],args[1]) ); + } + else { + returnValues.push( this[runFunction](argument) ); + } + } } } + // we revert the global references back to our active sector + this._loadLatestSector(); + return returnValues; }; /** - * connect two nodes with a new edge. + * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). * + * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors + * | we dont pass the function itself because then the "this" is the window object + * | instead of the Network object + * @param {*} [argument] | Optional: arguments to pass to the runFunction * @private */ - exports._createEdge = function(sourceNodeId,targetNodeId) { - if (this.editMode == true) { - var defaultData = {from:sourceNodeId, to:targetNodeId}; - if (this.triggerFunctions.connect) { - if (this.triggerFunctions.connect.length == 2) { - var me = this; - this.triggerFunctions.connect(defaultData, function(finalizedData) { - me.edgesData.add(finalizedData); - me.moving = true; - me.start(); - }); - } - else { - throw new Error('The function for connect does not support two arguments (data,callback)'); - this.moving = true; - this.start(); - } + exports._doInSupportSector = function(runFunction,argument) { + var returnValues = false; + if (argument === undefined) { + this._switchToSupportSector(); + returnValues = this[runFunction](); + } + else { + this._switchToSupportSector(); + var args = Array.prototype.splice.call(arguments, 1); + if (args.length > 1) { + returnValues = this[runFunction](args[0],args[1]); } else { - this.edgesData.add(defaultData); - this.moving = true; - this.start(); + returnValues = this[runFunction](argument); } } + // we revert the global references back to our active sector + this._loadLatestSector(); + return returnValues; }; + /** - * connect two nodes with a new edge. + * This runs a function in all frozen sectors. This is used in the _redraw(). * + * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors + * | we don't pass the function itself because then the "this" is the window object + * | instead of the Network object + * @param {*} [argument] | Optional: arguments to pass to the runFunction * @private */ - exports._editEdge = function(sourceNodeId,targetNodeId) { - if (this.editMode == true) { - var defaultData = {id: this.edgeBeingEdited.id, from:sourceNodeId, to:targetNodeId}; - if (this.triggerFunctions.editEdge) { - if (this.triggerFunctions.editEdge.length == 2) { - var me = this; - this.triggerFunctions.editEdge(defaultData, function(finalizedData) { - me.edgesData.update(finalizedData); - me.moving = true; - me.start(); - }); - } - else { - throw new Error('The function for edit does not support two arguments (data, callback)'); - this.moving = true; - this.start(); + exports._doInAllFrozenSectors = function(runFunction,argument) { + if (argument === undefined) { + for (var sector in this.sectors["frozen"]) { + if (this.sectors["frozen"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToFrozenSector(sector); + this[runFunction](); } } - else { - this.edgesData.update(defaultData); - this.moving = true; - this.start(); + } + else { + for (var sector in this.sectors["frozen"]) { + if (this.sectors["frozen"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToFrozenSector(sector); + var args = Array.prototype.splice.call(arguments, 1); + if (args.length > 1) { + this[runFunction](args[0],args[1]); + } + else { + this[runFunction](argument); + } + } } } + this._loadLatestSector(); }; + /** - * Create the toolbar to edit the selected node. The label and the color can be changed. Other colors are derived from the chosen color. + * This runs a function in all sectors. This is used in the _redraw(). * + * @param {String} runFunction | This is the NAME of a function we want to call in all active sectors + * | we don't pass the function itself because then the "this" is the window object + * | instead of the Network object + * @param {*} [argument] | Optional: arguments to pass to the runFunction * @private */ - exports._editNode = function() { - if (this.triggerFunctions.edit && this.editMode == true) { - var node = this._getSelectedNode(); - var data = {id:node.id, - label: node.label, - group: node.options.group, - shape: node.options.shape, - color: { - background:node.options.color.background, - border:node.options.color.border, - highlight: { - background:node.options.color.highlight.background, - border:node.options.color.highlight.border - } - }}; - if (this.triggerFunctions.edit.length == 2) { - var me = this; - this.triggerFunctions.edit(data, function (finalizedData) { - me.nodesData.update(finalizedData); - me._createManipulatorBar(); - me.moving = true; - me.start(); - }); + exports._doInAllSectors = function(runFunction,argument) { + var args = Array.prototype.splice.call(arguments, 1); + if (argument === undefined) { + this._doInAllActiveSectors(runFunction); + this._doInAllFrozenSectors(runFunction); + } + else { + if (args.length > 1) { + this._doInAllActiveSectors(runFunction,args[0],args[1]); + this._doInAllFrozenSectors(runFunction,args[0],args[1]); } else { - throw new Error('The function for edit does not support two arguments (data, callback)'); + this._doInAllActiveSectors(runFunction,argument); + this._doInAllFrozenSectors(runFunction,argument); } } - else { - throw new Error('No edit function has been bound to this button'); - } }; + /** + * This clears the nodeIndices list. We cannot use this.nodeIndices = [] because we would break the link with the + * active sector. Thus we clear the nodeIndices in the active sector, then reconnect the this.nodeIndices to it. + * + * @private + */ + exports._clearNodeIndexList = function() { + var sector = this._sector(); + this.sectors["active"][sector]["nodeIndices"] = []; + this.nodeIndices = this.sectors["active"][sector]["nodeIndices"]; + }; /** - * delete everything in the selection + * Draw the encompassing sector node * + * @param ctx + * @param sectorType * @private */ - exports._deleteSelected = function() { - if (!this._selectionIsEmpty() && this.editMode == true) { - if (!this._clusterInSelection()) { - var selectedNodes = this.getSelectedNodes(); - var selectedEdges = this.getSelectedEdges(); - if (this.triggerFunctions.del) { - var me = this; - var data = {nodes: selectedNodes, edges: selectedEdges}; - if (this.triggerFunctions.del.length = 2) { - this.triggerFunctions.del(data, function (finalizedData) { - me.edgesData.remove(finalizedData.edges); - me.nodesData.remove(finalizedData.nodes); - me._unselectAll(); - me.moving = true; - me.start(); - }); - } - else { - throw new Error('The function for delete does not support two arguments (data, callback)') + exports._drawSectorNodes = function(ctx,sectorType) { + var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; + for (var sector in this.sectors[sectorType]) { + if (this.sectors[sectorType].hasOwnProperty(sector)) { + if (this.sectors[sectorType][sector]["drawingNode"] !== undefined) { + + this._switchToSector(sector,sectorType); + + minY = 1e9; maxY = -1e9; minX = 1e9; maxX = -1e9; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + node.resize(ctx); + if (minX > node.x - 0.5 * node.width) {minX = node.x - 0.5 * node.width;} + if (maxX < node.x + 0.5 * node.width) {maxX = node.x + 0.5 * node.width;} + if (minY > node.y - 0.5 * node.height) {minY = node.y - 0.5 * node.height;} + if (maxY < node.y + 0.5 * node.height) {maxY = node.y + 0.5 * node.height;} + } } - } - else { - this.edgesData.remove(selectedEdges); - this.nodesData.remove(selectedNodes); - this._unselectAll(); - this.moving = true; - this.start(); + node = this.sectors[sectorType][sector]["drawingNode"]; + node.x = 0.5 * (maxX + minX); + node.y = 0.5 * (maxY + minY); + node.width = 2 * (node.x - minX); + node.height = 2 * (node.y - minY); + node.options.radius = Math.sqrt(Math.pow(0.5*node.width,2) + Math.pow(0.5*node.height,2)); + node.setScale(this.scale); + node._drawCircle(ctx); } } - else { - alert(this.constants.locales[this.constants.locale]["deleteClusterError"]); - } } }; + exports._drawAllSectorNodes = function(ctx) { + this._drawSectorNodes(ctx,"frozen"); + this._drawSectorNodes(ctx,"active"); + this._loadLatestSector(); + }; + /***/ }, -/* 61 */ +/* 63 */ /***/ function(module, exports, __webpack_require__) { - var util = __webpack_require__(1); - var Hammer = __webpack_require__(45); + var Node = __webpack_require__(50); - exports._cleanNavigation = function() { - // clean hammer bindings - if (this.navigationHammers.existing.length != 0) { - for (var i = 0; i < this.navigationHammers.existing.length; i++) { - this.navigationHammers.existing[i].dispose(); + /** + * This function can be called from the _doInAllSectors function + * + * @param object + * @param overlappingNodes + * @private + */ + exports._getNodesOverlappingWith = function(object, overlappingNodes) { + var nodes = this.nodes; + for (var nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + if (nodes[nodeId].isOverlappingWith(object)) { + overlappingNodes.push(nodeId); + } } - this.navigationHammers.existing = []; } + }; - this._navigationReleaseOverload = function () {}; - - // clean up previous navigation items - var wrapper = document.getElementById('network-navigation_wrapper'); - if (wrapper && wrapper.parentNode) { - wrapper.parentNode.removeChild(wrapper); - } + /** + * retrieve all nodes overlapping with given object + * @param {Object} object An object with parameters left, top, right, bottom + * @return {Number[]} An array with id's of the overlapping nodes + * @private + */ + exports._getAllNodesOverlappingWith = function (object) { + var overlappingNodes = []; + this._doInAllActiveSectors("_getNodesOverlappingWith",object,overlappingNodes); + return overlappingNodes; }; + /** - * Creation of the navigation controls nodes. They are drawn over the rest of the nodes and are not affected by scale and translation - * they have a triggerFunction which is called on click. If the position of the navigation controls is dependent - * on this.frame.canvas.clientWidth or this.frame.canvas.clientHeight, we flag horizontalAlignLeft and verticalAlignTop false. - * This means that the location will be corrected by the _relocateNavigation function on a size change of the canvas. + * Return a position object in canvasspace from a single point in screenspace * + * @param pointer + * @returns {{left: number, top: number, right: number, bottom: number}} * @private */ - exports._loadNavigationElements = function() { - this._cleanNavigation(); + exports._pointerToPositionObject = function(pointer) { + var x = this._XconvertDOMtoCanvas(pointer.x); + var y = this._YconvertDOMtoCanvas(pointer.y); - this.navigationDivs = {}; - var navigationDivs = ['up','down','left','right','zoomIn','zoomOut','zoomExtends']; - var navigationDivActions = ['_moveUp','_moveDown','_moveLeft','_moveRight','_zoomIn','_zoomOut','_zoomExtent']; + return { + left: x, + top: y, + right: x, + bottom: y + }; + }; - this.navigationDivs['wrapper'] = document.createElement('div'); - this.navigationDivs['wrapper'].id = 'network-navigation_wrapper'; - 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]].id = 'network-navigation_' + navigationDivs[i]; - this.navigationDivs[navigationDivs[i]].className = 'network-navigation ' + navigationDivs[i]; - this.navigationDivs['wrapper'].appendChild(this.navigationDivs[navigationDivs[i]]); + /** + * Get the top node at the a specific point (like a click) + * + * @param {{x: Number, y: Number}} pointer + * @return {Node | null} node + * @private + */ + exports._getNodeAt = function (pointer) { + // we first check if this is an navigation controls element + var positionObject = this._pointerToPositionObject(pointer); + var overlappingNodes = this._getAllNodesOverlappingWith(positionObject); - var hammer = Hammer(this.navigationDivs[navigationDivs[i]], {prevent_default: true}); - hammer.on('touch', this[navigationDivActions[i]].bind(this)); - this.navigationHammers.new.push(hammer); + // if there are overlapping nodes, select the last one, this is the + // one which is drawn on top of the others + if (overlappingNodes.length > 0) { + return this.nodes[overlappingNodes[overlappingNodes.length - 1]]; + } + else { + return null; } + }; - this._navigationReleaseOverload = this._stopMovement; - this.navigationHammers.existing = this.navigationHammers.new; + /** + * retrieve all edges overlapping with given object, selector is around center + * @param {Object} object An object with parameters left, top, right, bottom + * @return {Number[]} An array with id's of the overlapping nodes + * @private + */ + exports._getEdgesOverlappingWith = function (object, overlappingEdges) { + var edges = this.edges; + for (var edgeId in edges) { + if (edges.hasOwnProperty(edgeId)) { + if (edges[edgeId].isOverlappingWith(object)) { + overlappingEdges.push(edgeId); + } + } + } }; /** - * this stops all movement induced by the navigation buttons - * + * 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._zoomExtent = function(event) { - this.zoomExtent({duration:800}); - event.stopPropagation(); + exports._getAllEdgesOverlappingWith = function (object) { + var overlappingEdges = []; + this._doInAllActiveSectors("_getEdgesOverlappingWith",object,overlappingEdges); + return overlappingEdges; }; /** - * this stops all movement induced by the navigation buttons + * Place holder. To implement change the _getNodeAt to a _getObjectAt. Have the _getObjectAt call + * _getNodeAt and _getEdgesAt, then priortize the selection to user preferences. * + * @param pointer + * @returns {null} * @private */ - exports._stopMovement = function() { - this._xStopMoving(); - this._yStopMoving(); - this._stopZoom(); + 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; + } }; /** - * move the screen up - * By using the increments, instead of adding a fixed number to the translation, we keep fluent and - * instant movement. The onKeypress event triggers immediately, then pauses, then triggers frequently - * To avoid this behaviour, we do the translation in the start loop. + * Add object to the selection array. * + * @param obj * @private */ - exports._moveUp = function(event) { - this.yIncrement = this.constants.keyboard.speed.y; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); + exports._addToSelection = function(obj) { + if (obj instanceof Node) { + this.selectionObj.nodes[obj.id] = obj; + } + else { + this.selectionObj.edges[obj.id] = obj; + } }; - /** - * move the screen down + * Add object to the selection array. + * + * @param obj * @private */ - exports._moveDown = function(event) { - this.yIncrement = -this.constants.keyboard.speed.y; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); + exports._addToHover = function(obj) { + if (obj instanceof Node) { + this.hoverObj.nodes[obj.id] = obj; + } + else { + this.hoverObj.edges[obj.id] = obj; + } }; /** - * move the screen left + * Remove a single option from selection. + * + * @param {Object} obj * @private */ - exports._moveLeft = function(event) { - this.xIncrement = this.constants.keyboard.speed.x; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); + exports._removeFromSelection = function(obj) { + if (obj instanceof Node) { + delete this.selectionObj.nodes[obj.id]; + } + else { + delete this.selectionObj.edges[obj.id]; + } }; - /** - * move the screen right + * Unselect all. The selectionObj is useful for this. + * + * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._moveRight = function(event) { - this.xIncrement = -this.constants.keyboard.speed.y; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); - }; + exports._unselectAll = function(doNotTrigger) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + this.selectionObj.nodes[nodeId].unselect(); + } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + this.selectionObj.edges[edgeId].unselect(); + } + } + + this.selectionObj = {nodes:{},edges:{}}; + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } + }; /** - * Zoom in, using the same method as the movement. + * Unselect all clusters. The selectionObj is useful for this. + * + * @param {Boolean} [doNotTrigger] | ignore trigger * @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._unselectClusters = function(doNotTrigger) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } + + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + if (this.selectionObj.nodes[nodeId].clusterSize > 1) { + this.selectionObj.nodes[nodeId].unselect(); + this._removeFromSelection(this.selectionObj.nodes[nodeId]); + } + } + } + + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } }; /** - * Zoom out + * return the number of selected nodes + * + * @returns {number} * @private */ - exports._zoomOut = function(event) { - this.zoomIncrement = -this.constants.keyboard.speed.zoom; - this.start(); // if there is no node movement, the calculation wont be done - event.preventDefault(); + exports._getSelectedNodeCount = function() { + var count = 0; + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + count += 1; + } + } + return count; }; - /** - * Stop zooming and unhighlight the zoom controls + * return the selected node + * + * @returns {number} * @private */ - exports._stopZoom = function(event) { - this.zoomIncrement = 0; - event && event.preventDefault(); + exports._getSelectedNode = function() { + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + return this.selectionObj.nodes[nodeId]; + } + } + return null; }; - /** - * Stop moving in the Y direction and unHighlight the up and down + * return the selected edge + * + * @returns {number} * @private */ - exports._yStopMoving = function(event) { - this.yIncrement = 0; - event && event.preventDefault(); + exports._getSelectedEdge = function() { + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + return this.selectionObj.edges[edgeId]; + } + } + return null; }; /** - * Stop moving in the X direction and unHighlight left and right. + * return the number of selected edges + * + * @returns {number} * @private */ - exports._xStopMoving = function(event) { - this.xIncrement = 0; - event && event.preventDefault(); - }; - - -/***/ }, -/* 62 */ -/***/ function(module, exports, __webpack_require__) { - - exports._resetLevels = function() { - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - var node = this.nodes[nodeId]; - if (node.preassignedLevel == false) { - node.level = -1; - node.hierarchyEnumerated = false; - } + exports._getSelectedEdgeCount = function() { + var count = 0; + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + count += 1; } } + return count; }; + /** - * This is the main function to layout the nodes in a hierarchical way. - * It checks if the node details are supplied correctly + * return the number of selected objects. * + * @returns {number} * @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 *= -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"; - } + exports._getSelectedObjectCount = function() { + var count = 0; + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + count += 1; } - else { - if (this.constants.smoothCurves.enabled == true) { - this.constants.smoothCurves.type = "horizontal"; - } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + count += 1; } - // 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; + } + return count; + }; - 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; - } - } + /** + * Check if anything is selected + * + * @returns {boolean} + * @private + */ + exports._selectionIsEmpty = function() { + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + return false; } - - // if the user defined some levels but not all, alert and run without hierarchical layout - if (undefinedLevel == true && definedLevel == true) { - throw new Error("To use the hierarchical layout, nodes require either no predefined levels or levels have to be defined for all nodes."); - this.zoomExtent(undefined,true,this.constants.clustering.enabled); - if (!this.constants.clustering.enabled) { - this.start(); - } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + return false; } - else { - // setup the system to use hierarchical method. - this._changeConstants(); + } + return true; + }; - // define levels if undefined by the users. Based on hubsize - if (undefinedLevel == true) { - if (this.constants.hierarchicalLayout.layout == "hubsize") { - this._determineLevels(hubsize); - } - else { - this._determineLevelsDirected(); - } + /** + * check if one of the selected nodes is a cluster. + * + * @returns {boolean} + * @private + */ + exports._clusterInSelection = function() { + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + if (this.selectionObj.nodes[nodeId].clusterSize > 1) { + return true; } - // check the distribution of the nodes per level. - var distribution = this._getDistribution(); - - // place the nodes on the canvas. This also stablilizes the system. - this._placeNodesByHierarchy(distribution); - - // start the simulation. - this.start(); } } + return false; }; - /** - * This function places the nodes on the canvas based on the hierarchial distribution. + * select the edges connected to the node that is being selected * - * @param {Object} distribution | obtained by the function this._getDistribution() + * @param {Node} node * @private */ - exports._placeNodesByHierarchy = function(distribution) { - var nodeId, node; - - // start placing all the level 0 nodes first. Then recursively position their branches. - for (var level in distribution) { - if (distribution.hasOwnProperty(level)) { + exports._selectConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.select(); + this._addToSelection(edge); + } + }; - for (nodeId in distribution[level].nodes) { - if (distribution[level].nodes.hasOwnProperty(nodeId)) { - node = distribution[level].nodes[nodeId]; - if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { - if (node.xFixed) { - node.x = distribution[level].minPos; - node.xFixed = false; + /** + * select the edges connected to the node that is being selected + * + * @param {Node} node + * @private + */ + exports._hoverConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.hover = true; + this._addToHover(edge); + } + }; - distribution[level].minPos += distribution[level].nodeSpacing; - } - } - else { - if (node.yFixed) { - node.y = distribution[level].minPos; - node.yFixed = false; - distribution[level].minPos += distribution[level].nodeSpacing; - } - } - this._placeBranchNodes(node.edges,node.id,distribution,node.level); - } - } - } + /** + * unselect the edges connected to the node that is being selected + * + * @param {Node} node + * @private + */ + exports._unselectConnectedEdges = function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.unselect(); + this._removeFromSelection(edge); } - - // stabilize the system after positioning. This function calls zoomExtent. - this._stabilize(); }; + + /** - * This function get the distribution of levels based on hubsize + * This is called when someone clicks on a node. either select or deselect it. + * If there is an existing selection and we don't want to append to it, clear the existing selection * - * @returns {Object} + * @param {Node || Edge} object + * @param {Boolean} append + * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ - exports._getDistribution = function() { - var distribution = {}; - var nodeId, node, level; - - // we fix Y because the hierarchy is vertical, we fix X so we do not give a node an x position for a second time. - // the fix of X is removed after the x value has been set. - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - node.xFixed = true; - node.yFixed = true; - if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { - node.y = this.constants.hierarchicalLayout.levelSeparation*node.level; - } - else { - node.x = this.constants.hierarchicalLayout.levelSeparation*node.level; - } - if (distribution[node.level] === undefined) { - distribution[node.level] = {amount: 0, nodes: {}, minPos:0, nodeSpacing:0}; - } - distribution[node.level].amount += 1; - distribution[node.level].nodes[nodeId] = node; - } + exports._selectObject = function(object, append, doNotTrigger, highlightEdges, overrideSelectable) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } + if (highlightEdges === undefined) { + highlightEdges = true; } - // determine the largest amount of nodes of all levels - var maxCount = 0; - for (level in distribution) { - if (distribution.hasOwnProperty(level)) { - if (maxCount < distribution[level].amount) { - maxCount = distribution[level].amount; - } - } + if (this._selectionIsEmpty() == false && append == false && this.forceAppendSelection == false) { + this._unselectAll(true); } - // set the initial position and spacing of each nodes accordingly - for (level in distribution) { - if (distribution.hasOwnProperty(level)) { - distribution[level].nodeSpacing = (maxCount + 1) * this.constants.hierarchicalLayout.nodeSpacing; - distribution[level].nodeSpacing /= (distribution[level].amount + 1); - distribution[level].minPos = distribution[level].nodeSpacing - (0.5 * (distribution[level].amount + 1) * distribution[level].nodeSpacing); + // selectable allows the object to be selected. Override can be used if needed to bypass this. + if (object.selected == false && (this.constants.selectable == true || overrideSelectable)) { + object.select(); + this._addToSelection(object); + if (object instanceof Node && this.blockConnectingEdgeSelection == false && highlightEdges == true) { + this._selectConnectedEdges(object); } } + // do not select the object if selectable is false, only add it to selection to allow drag to work + else if (object.selected == false) { + this._addToSelection(object); + doNotTrigger = true; + } + else { + object.unselect(); + this._removeFromSelection(object); + } - return distribution; + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } }; /** - * this function allocates nodes in levels based on the recursive branching from the largest hubs. + * This is called when someone clicks on a node. either select or deselect it. + * If there is an existing selection and we don't want to append to it, clear the existing selection * - * @param hubsize + * @param {Node || Edge} object * @private */ - exports._determineLevels = function(hubsize) { - var nodeId, node; - - // determine hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.edges.length == hubsize) { - node.level = 0; - } - } + exports._blurObject = function(object) { + if (object.hover == true) { + object.hover = false; + this.emit("blurNode",{node:object.id}); } + }; - // branch from hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.level == 0) { - this._setLevel(1,node.edges,node.id); - } + /** + * This is called when someone clicks on a node. either select or deselect it. + * If there is an existing selection and we don't want to append to it, clear the existing selection + * + * @param {Node || Edge} object + * @private + */ + exports._hoverObject = function(object) { + if (object.hover == false) { + object.hover = true; + this._addToHover(object); + if (object instanceof Node) { + this.emit("hoverNode",{node:object.id}); } } + if (object instanceof Node) { + this._hoverConnectedEdges(object); + } }; + /** - * this function allocates nodes in levels based on the recursive branching from the largest hubs. + * handles the selection part of the touch, only for navigation controls elements; + * Touch is triggered before tap, also before hold. Hold triggers after a while. + * This is the most responsive solution * - * @param hubsize + * @param {Object} pointer * @private */ - exports._determineLevelsDirected = function() { - var nodeId, node; + exports._handleTouch = function(pointer) { + }; - // set first node to source - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.nodes[nodeId].level = 10000; - break; - } - } - // branch from hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - if (node.level == 10000) { - this._setLevelDirected(10000,node.edges,node.id); - } - } + /** + * 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); } - - - // 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; + else { + var edge = this._getEdgeAt(pointer); + if (edge != null) { + this._selectObject(edge, false); } - } - - // branch from hubs - for (nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - node = this.nodes[nodeId]; - node.level -= minLevel; + else { + this._unselectAll(); } } + this.emit("click", this.getSelection()); + this._redraw(); }; /** - * Since hierarchical layout does not support: - * - smooth curves (based on the physics), - * - clustering (based on dynamic node counts) - * - * We disable both features so there will be no problems. + * handles the selection part of the double tap and opens a cluster if needed * + * @param {Object} pointer * @private */ - exports._changeConstants = function() { - this.constants.clustering.enabled = false; - this.constants.physics.barnesHut.enabled = false; - this.constants.physics.hierarchicalRepulsion.enabled = true; - this._loadSelectedForceSolver(); - if (this.constants.smoothCurves.enabled == true) { - this.constants.smoothCurves.dynamic = false; + exports._handleDoubleTap = function(pointer) { + var node = this._getNodeAt(pointer); + if (node != null && node !== undefined) { + // we reset the areaCenter here so the opening of the node will occur + this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), + "y" : this._YconvertDOMtoCanvas(pointer.y)}; + this.openCluster(node); } - this._configureSmoothCurves(); + this.emit("doubleClick", this.getSelection()); }; /** - * This is a recursively called function to enumerate the branches from the largest hubs and place the nodes - * on a X position that ensures there will be no overlap. + * Handle the onHold selection part * - * @param edges - * @param parentId - * @param distribution - * @param parentLevel + * @param pointer * @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._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(); + }; - // 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; - } - } - 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); + /** + * handle the onRelease event. These functions are here for the navigation controls module + * and data manipulation module. + * + * @private + */ + exports._handleOnRelease = function(pointer) { + this._manipulationReleaseOverload(pointer); + this._navigationReleaseOverload(pointer); + }; + + exports._manipulationReleaseOverload = function (pointer) {}; + exports._navigationReleaseOverload = function (pointer) {}; + + /** + * + * retrieve the currently selected objects + * @return {{nodes: Array., edges: Array.}} selection + */ + exports.getSelection = function() { + var nodeIds = this.getSelectedNodes(); + var edgeIds = this.getSelectedEdges(); + return {nodes:nodeIds, edges:edgeIds}; + }; + + /** + * + * retrieve the currently selected nodes + * @return {String[]} selection An array with the ids of the + * selected nodes. + */ + exports.getSelectedNodes = function() { + var idArray = []; + if (this.constants.selectable == true) { + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + idArray.push(nodeId); } } } + return idArray }; - /** - * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. * - * @param level - * @param edges - * @param parentId - * @private + * retrieve the currently selected edges + * @return {Array} selection An array with the ids of the + * selected nodes. */ - exports._setLevel = function(level, edges, parentId) { - for (var i = 0; i < edges.length; i++) { - var childNode = null; - if (edges[i].toId == parentId) { - childNode = edges[i].from; - } - else { - childNode = edges[i].to; - } - if (childNode.level == -1 || childNode.level > level) { - childNode.level = level; - if (childNode.edges.length > 1) { - this._setLevel(level+1, childNode.edges, childNode.id); + exports.getSelectedEdges = function() { + var idArray = []; + if (this.constants.selectable == true) { + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + idArray.push(edgeId); } } } + return idArray; }; /** - * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. - * - * @param level - * @param edges - * @param parentId - * @private + * select zero or more nodes DEPRICATED + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. */ - exports._setLevelDirected = function(level, edges, parentId) { - this.nodes[parentId].hierarchyEnumerated = true; - 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.setSelection = function() { + console.log("setSelection is deprecated. Please use selectNodes instead.") + }; + + + /** + * select zero or more nodes with the option to highlight edges + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. + * @param {boolean} [highlightEdges] + */ + exports.selectNodes = function(selection, highlightEdges) { + var i, iMax, id; + + if (!selection || (selection.length == undefined)) + throw 'Selection must be an array with ids'; + + // first unselect any selected node + this._unselectAll(true); + + for (i = 0, iMax = selection.length; i < iMax; i++) { + id = selection[i]; + + var node = this.nodes[id]; + if (!node) { + throw new RangeError('Node with id "' + id + '" not found'); } + this._selectObject(node,true,true,highlightEdges,true); } + this.redraw(); + }; - for (var i = 0; i < edges.length; i++) { - 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); + + /** + * select zero or more edges + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. + */ + exports.selectEdges = function(selection) { + var i, iMax, id; + + if (!selection || (selection.length == undefined)) + throw 'Selection must be an array with ids'; + + // first unselect any selected node + this._unselectAll(true); + + for (i = 0, iMax = selection.length; i < iMax; i++) { + id = selection[i]; + + var edge = this.edges[id]; + if (!edge) { + throw new RangeError('Edge with id "' + id + '" not found'); } + this._selectObject(edge,true,true,false,true); } + this.redraw(); }; - /** - * Unfix nodes - * + * Validate the selection: remove ids of nodes which no longer exist * @private */ - exports._restoreNodes = function() { - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.nodes[nodeId].xFixed = false; - this.nodes[nodeId].yFixed = false; + exports._updateSelection = function () { + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + if (!this.nodes.hasOwnProperty(nodeId)) { + delete this.selectionObj.nodes[nodeId]; + } + } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + if (!this.edges.hasOwnProperty(edgeId)) { + delete this.selectionObj.edges[edgeId]; + } } } }; /***/ }, -/* 63 */ +/* 64 */ /***/ function(module, exports, __webpack_require__) { var util = __webpack_require__(1); - var RepulsionMixin = __webpack_require__(65); - var HierarchialRepulsionMixin = __webpack_require__(66); - var BarnesHutMixin = __webpack_require__(67); + var Node = __webpack_require__(50); + var Edge = __webpack_require__(49); /** - * Toggling barnes Hut calculation on and off. + * clears the toolbar div element of children * * @private */ - exports._toggleBarnesHut = function () { - this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled; - this._loadSelectedForceSolver(); - this.moving = true; - this.start(); - }; + exports._clearManipulatorBar = function() { + while (this.manipulationDiv.hasChildNodes()) { + this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); + } + this._manipulationReleaseOverload = function () {}; + delete this.sectors['support']['nodes']['targetNode']; + delete this.sectors['support']['nodes']['targetViaNode']; + this.controlNodesActive = false; + }; /** - * This loads the node force solver based on the barnes hut or repulsion algorithm + * Manipulation UI temporarily overloads certain functions to extend or replace them. To be able to restore + * these functions to their original functionality, we saved them in this.cachedFunctions. + * This function restores these functions to their original function. * * @private */ - exports._loadSelectedForceSolver = function () { - // this overloads the this._calculateNodeForces - if (this.constants.physics.barnesHut.enabled == true) { - this._clearMixin(RepulsionMixin); - this._clearMixin(HierarchialRepulsionMixin); - - this.constants.physics.centralGravity = this.constants.physics.barnesHut.centralGravity; - this.constants.physics.springLength = this.constants.physics.barnesHut.springLength; - this.constants.physics.springConstant = this.constants.physics.barnesHut.springConstant; - this.constants.physics.damping = this.constants.physics.barnesHut.damping; - - this._loadMixin(BarnesHutMixin); + exports._restoreOverloadedFunctions = function() { + for (var functionName in this.cachedFunctions) { + if (this.cachedFunctions.hasOwnProperty(functionName)) { + this[functionName] = this.cachedFunctions[functionName]; + } } - else if (this.constants.physics.hierarchicalRepulsion.enabled == true) { - this._clearMixin(BarnesHutMixin); - this._clearMixin(RepulsionMixin); - - this.constants.physics.centralGravity = this.constants.physics.hierarchicalRepulsion.centralGravity; - this.constants.physics.springLength = this.constants.physics.hierarchicalRepulsion.springLength; - this.constants.physics.springConstant = this.constants.physics.hierarchicalRepulsion.springConstant; - this.constants.physics.damping = this.constants.physics.hierarchicalRepulsion.damping; + }; - this._loadMixin(HierarchialRepulsionMixin); + /** + * Enable or disable edit-mode. + * + * @private + */ + exports._toggleEditMode = function() { + this.editMode = !this.editMode; + var toolbar = document.getElementById("network-manipulationDiv"); + var closeDiv = document.getElementById("network-manipulation-closeDiv"); + var editModeDiv = document.getElementById("network-manipulation-editMode"); + if (this.editMode == true) { + toolbar.style.display="block"; + closeDiv.style.display="block"; + editModeDiv.style.display="none"; + closeDiv.onclick = this._toggleEditMode.bind(this); } else { - this._clearMixin(BarnesHutMixin); - this._clearMixin(HierarchialRepulsionMixin); - this.barnesHutTree = undefined; - - this.constants.physics.centralGravity = this.constants.physics.repulsion.centralGravity; - this.constants.physics.springLength = this.constants.physics.repulsion.springLength; - this.constants.physics.springConstant = this.constants.physics.repulsion.springConstant; - this.constants.physics.damping = this.constants.physics.repulsion.damping; - - this._loadMixin(RepulsionMixin); + toolbar.style.display="none"; + closeDiv.style.display="none"; + editModeDiv.style.display="block"; + closeDiv.onclick = null; } + this._createManipulatorBar() }; /** - * Before calculating the forces, we check if we need to cluster to keep up performance and we check - * if there is more than one node. If it is just one node, we dont calculate anything. + * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. * * @private */ - exports._initializeForceCalculation = function () { - // stop calculation if there is only one node - if (this.nodeIndices.length == 1) { - this.nodes[this.nodeIndices[0]]._setForce(0, 0); + exports._createManipulatorBar = function() { + // remove bound functions + if (this.boundFunction) { + this.off('select', this.boundFunction); } - else { - // if there are too many nodes on screen, we cluster without repositioning - if (this.nodeIndices.length > this.constants.clustering.clusterThreshold && this.constants.clustering.enabled == true) { - this.clusterToFit(this.constants.clustering.reduceToNodes, false); - } - // we now start the force calculation - this._calculateForces(); + var locale = this.constants.locales[this.constants.locale]; + + if (this.edgeBeingEdited !== undefined) { + this.edgeBeingEdited._disableControlNodes(); + this.edgeBeingEdited = undefined; + this.selectedControlNode = null; + this.controlNodesActive = false; } - }; + // restore overloaded functions + this._restoreOverloadedFunctions(); - /** - * Calculate the external forces acting on the nodes - * Forces are caused by: edges, repulsing forces between nodes, gravity - * @private - */ - exports._calculateForces = function () { - // Gravity is required to keep separated groups from floating off - // the forces are reset to zero in this loop by using _setForce instead - // of _addForce + // resume calculation + this.freezeSimulation = false; - this._calculateGravitationalForces(); - this._calculateNodeForces(); + // reset global variables + this.blockConnectingEdgeSelection = false; + this.forceAppendSelection = false; - if (this.constants.physics.springConstant > 0) { - if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { - this._calculateSpringForcesWithSupport(); + if (this.editMode == true) { + while (this.manipulationDiv.hasChildNodes()) { + this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); } - else { - if (this.constants.physics.hierarchicalRepulsion.enabled == true) { - this._calculateHierarchicalSpringForces(); - } - else { - this._calculateSpringForces(); - } + + // add the icons to the manipulator div + this.manipulationDiv.innerHTML = "" + + "" + + ""+locale['addNode'] +"" + + "
" + + "" + + ""+locale['addEdge'] +""; + if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { + this.manipulationDiv.innerHTML += "" + + "
" + + "" + + ""+locale['editNode'] +""; + } + else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { + this.manipulationDiv.innerHTML += "" + + "
" + + "" + + ""+locale['editEdge'] +""; + } + if (this._selectionIsEmpty() == false) { + this.manipulationDiv.innerHTML += "" + + "
" + + "" + + ""+locale['del'] +""; } - } - }; - - /** - * 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 = []; - for (var nodeId in this.nodes) { - if (this.nodes.hasOwnProperty(nodeId)) { - this.calculationNodes[nodeId] = this.nodes[nodeId]; - } + // bind the icons + var addNodeButton = document.getElementById("network-manipulate-addNode"); + addNodeButton.onclick = this._createAddNodeToolbar.bind(this); + var addEdgeButton = document.getElementById("network-manipulate-connectNode"); + addEdgeButton.onclick = this._createAddEdgeToolbar.bind(this); + if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { + var editButton = document.getElementById("network-manipulate-editNode"); + editButton.onclick = this._editNode.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); - } - } + else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) { + var editButton = document.getElementById("network-manipulate-editEdge"); + editButton.onclick = this._createEditEdgeToolbar.bind(this); } - - for (var idx in this.calculationNodes) { - if (this.calculationNodes.hasOwnProperty(idx)) { - this.calculationNodeIndices.push(idx); - } + if (this._selectionIsEmpty() == false) { + var deleteButton = document.getElementById("network-manipulate-delete"); + deleteButton.onclick = this._deleteSelected.bind(this); } + var closeDiv = document.getElementById("network-manipulation-closeDiv"); + closeDiv.onclick = this._toggleEditMode.bind(this); + + this.boundFunction = this._createManipulatorBar.bind(this); + this.on('select', this.boundFunction); } else { - this.calculationNodes = this.nodes; - this.calculationNodeIndices = this.nodeIndices; + this.editModeDiv.innerHTML = "" + + "" + + "" + locale['edit'] + ""; + var editModeButton = document.getElementById("network-manipulate-editModeButton"); + editModeButton.onclick = this._toggleEditMode.bind(this); } }; + /** - * this function applies the central gravity effect to keep groups from floating off + * Create the toolbar for adding Nodes * * @private */ - exports._calculateGravitationalForces = function () { - var dx, dy, distance, node, i; - var nodes = this.calculationNodes; - var gravity = this.constants.physics.centralGravity; - var gravityForce = 0; + exports._createAddNodeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + if (this.boundFunction) { + this.off('select', this.boundFunction); + } - for (i = 0; i < this.calculationNodeIndices.length; i++) { - node = nodes[this.calculationNodeIndices[i]]; - node.damping = this.constants.physics.damping; // possibly add function to alter damping properties of clusters. - // gravity does not apply when we are in a pocket sector - if (this._sector() == "default" && gravity != 0) { - dx = -node.x; - dy = -node.y; - distance = Math.sqrt(dx * dx + dy * dy); + var locale = this.constants.locales[this.constants.locale]; - gravityForce = (distance == 0) ? 0 : (gravity / distance); - node.fx = dx * gravityForce; - node.fy = dy * gravityForce; - } - else { - node.fx = 0; - node.fy = 0; - } - } - }; + // create the toolbar contents + this.manipulationDiv.innerHTML = "" + + "" + + "" + locale['back'] + " " + + "
" + + "" + + "" + locale['addDescription'] + ""; + // bind the icon + var backButton = document.getElementById("network-manipulate-back"); + backButton.onclick = this._createManipulatorBar.bind(this); + // we use the boundFunction so we can reference it when we unbind it from the "select" event. + this.boundFunction = this._addNode.bind(this); + this.on('select', this.boundFunction); + }; /** - * this function calculates the effects of the springs in the case of unsmooth curves. + * create the toolbar to connect nodes * * @private */ - exports._calculateSpringForces = function () { - var edgeLength, edge, edgeId; - var dx, dy, fx, fy, springForce, distance; - var edges = this.edges; - - // 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; + exports._createAddEdgeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + this._unselectAll(true); + this.freezeSimulation = true; - dx = (edge.from.x - edge.to.x); - dy = (edge.from.y - edge.to.y); - distance = Math.sqrt(dx * dx + dy * dy); + var locale = this.constants.locales[this.constants.locale]; - if (distance == 0) { - distance = 0.01; - } + if (this.boundFunction) { + this.off('select', this.boundFunction); + } - // 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._unselectAll(); + this.forceAppendSelection = false; + this.blockConnectingEdgeSelection = true; - fx = dx * springForce; - fy = dy * springForce; + this.manipulationDiv.innerHTML = "" + + "" + + "" + locale['back'] + " " + + "
" + + "" + + "" + locale['edgeDescription'] + ""; - edge.from.fx += fx; - edge.from.fy += fy; - edge.to.fx -= fx; - edge.to.fy -= fy; - } - } - } - } - }; + // bind the icon + var backButton = document.getElementById("network-manipulate-back"); + backButton.onclick = this._createManipulatorBar.bind(this); + // we use the boundFunction so we can reference it when we unbind it from the "select" event. + this.boundFunction = this._handleConnect.bind(this); + this.on('select', this.boundFunction); + // temporarily overload functions + this.cachedFunctions["_handleTouch"] = this._handleTouch; + this.cachedFunctions["_manipulationReleaseOverload"] = this._manipulationReleaseOverload; + this.cachedFunctions["_handleDragStart"] = this._handleDragStart; + this.cachedFunctions["_handleDragEnd"] = this._handleDragEnd; + this._handleTouch = this._handleConnect; + this._manipulationReleaseOverload = function () {}; + this._handleDragStart = function () {}; + this._handleDragEnd = this._finishConnect; + // redraw to show the unselect + this._redraw(); + }; /** - * This function calculates the springforces on the nodes, accounting for the support nodes. + * create the toolbar to edit edges * * @private */ - exports._calculateSpringForcesWithSupport = function () { - var edgeLength, edge, edgeId, combinedClusterSize; - var edges = this.edges; + exports._createEditEdgeToolbar = function() { + // clear the toolbar + this._clearManipulatorBar(); + this.controlNodesActive = true; - // forces caused by the edges, modelled as springs - for (edgeId in edges) { - if (edges.hasOwnProperty(edgeId)) { - edge = edges[edgeId]; - if (edge.connected) { - // only calculate forces if nodes are in the same sector - if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { - if (edge.via != null) { - var node1 = edge.to; - var node2 = edge.via; - var node3 = edge.from; + if (this.boundFunction) { + this.off('select', this.boundFunction); + } - edgeLength = edge.physics.springLength; + this.edgeBeingEdited = this._getSelectedEdge(); + this.edgeBeingEdited._enableControlNodes(); - combinedClusterSize = node1.clusterSize + node3.clusterSize - 2; + var locale = this.constants.locales[this.constants.locale]; - // this implies that the edges between big clusters are longer - edgeLength += combinedClusterSize * this.constants.clustering.edgeGrowth; - this._calculateSpringForce(node1, node2, 0.5 * edgeLength); - this._calculateSpringForce(node2, node3, 0.5 * edgeLength); - } - } - } - } - } + this.manipulationDiv.innerHTML = "" + + "" + + "" + locale['back'] + " " + + "
" + + "" + + "" + locale['editEdgeDescription'] + ""; + + // bind the icon + var backButton = document.getElementById("network-manipulate-back"); + backButton.onclick = this._createManipulatorBar.bind(this); + + // temporarily overload functions + this.cachedFunctions["_handleTouch"] = this._handleTouch; + this.cachedFunctions["_manipulationReleaseOverload"] = this._manipulationReleaseOverload; + this.cachedFunctions["_handleTap"] = this._handleTap; + this.cachedFunctions["_handleDragStart"] = this._handleDragStart; + this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag; + this._handleTouch = this._selectControlNode; + this._handleTap = function () {}; + this._handleOnDrag = this._controlNodeDrag; + this._handleDragStart = function () {} + this._manipulationReleaseOverload = this._releaseControlNode; + + // redraw to show the unselect + this._redraw(); }; /** - * This is the code actually performing the calculation for the function above. It is split out to avoid repetition. + * the function bound to the selection event. It checks if you want to connect a cluster and changes the description + * to walk the user through the process. * - * @param node1 - * @param node2 - * @param edgeLength * @private */ - exports._calculateSpringForce = function (node1, node2, edgeLength) { - var dx, dy, fx, fy, springForce, distance; - - dx = (node1.x - node2.x); - dy = (node1.y - node2.y); - distance = Math.sqrt(dx * dx + dy * dy); - - if (distance == 0) { - distance = 0.01; + exports._selectControlNode = function(pointer) { + this.edgeBeingEdited.controlNodes.from.unselect(); + this.edgeBeingEdited.controlNodes.to.unselect(); + this.selectedControlNode = this.edgeBeingEdited._getSelectedControlNode(this._XconvertDOMtoCanvas(pointer.x),this._YconvertDOMtoCanvas(pointer.y)); + if (this.selectedControlNode !== null) { + this.selectedControlNode.select(); + this.freezeSimulation = true; } + this._redraw(); + }; - // the 1/distance is so the fx and fy can be calculated without sine or cosine. - springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; - - fx = dx * springForce; - fy = dy * springForce; - node1.fx += fx; - node1.fy += fy; - node2.fx -= fx; - node2.fy -= fy; + /** + * the function bound to the selection event. It checks if you want to connect a cluster and changes the description + * to walk the user through the process. + * + * @private + */ + exports._controlNodeDrag = function(event) { + var pointer = this._getPointer(event.gesture.center); + if (this.selectedControlNode !== null && this.selectedControlNode !== undefined) { + this.selectedControlNode.x = this._XconvertDOMtoCanvas(pointer.x); + this.selectedControlNode.y = this._YconvertDOMtoCanvas(pointer.y); + } + this._redraw(); }; + exports._releaseControlNode = function(pointer) { + var newNode = this._getNodeAt(pointer); + if (newNode != null) { + if (this.edgeBeingEdited.controlNodes.from.selected == true) { + this._editEdge(newNode.id, this.edgeBeingEdited.to.id); + this.edgeBeingEdited.controlNodes.from.unselect(); + } + if (this.edgeBeingEdited.controlNodes.to.selected == true) { + this._editEdge(this.edgeBeingEdited.from.id, newNode.id); + this.edgeBeingEdited.controlNodes.to.unselect(); + } + } + else { + this.edgeBeingEdited._restoreControlNodes(); + } + this.freezeSimulation = false; + this._redraw(); + }; /** - * Load the HTML for the physics config and bind it + * the function bound to the selection event. It checks if you want to connect a cluster and changes the description + * to walk the user through the process. + * * @private */ - exports._loadPhysicsConfiguration = function () { - if (this.physicsConfiguration === undefined) { - this.backupConstants = {}; - util.deepExtend(this.backupConstants,this.constants); + exports._handleConnect = function(pointer) { + if (this._getSelectedNodeCount() == 0) { + var node = this._getNodeAt(pointer); - var hierarchicalLayoutDirections = ["LR", "RL", "UD", "DU"]; - this.physicsConfiguration = document.createElement('div'); - this.physicsConfiguration.className = "PhysicsConfiguration"; - this.physicsConfiguration.innerHTML = '' + - '' + - '' + - '' + - '' + - '' + - '' + - '
Simulation Mode:
Barnes HutRepulsionHierarchical
' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '' + - '
Options:
' - this.containerElement.parentElement.insertBefore(this.physicsConfiguration, this.containerElement); - this.optionsDiv = document.createElement("div"); - this.optionsDiv.style.fontSize = "14px"; - this.optionsDiv.style.fontFamily = "verdana"; - this.containerElement.parentElement.insertBefore(this.optionsDiv, this.containerElement); + if (node != null) { + if (node.clusterSize > 1) { + alert(this.constants.locales[this.constants.locale]['createEdgeError']) + } + else { + this._selectObject(node,false); + var supportNodes = this.sectors['support']['nodes']; - var rangeElement; - rangeElement = document.getElementById('graph_BH_gc'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_gc', -1, "physics_barnesHut_gravitationalConstant"); - rangeElement = document.getElementById('graph_BH_cg'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_cg', 1, "physics_centralGravity"); - rangeElement = document.getElementById('graph_BH_sc'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sc', 1, "physics_springConstant"); - rangeElement = document.getElementById('graph_BH_sl'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sl', 1, "physics_springLength"); - rangeElement = document.getElementById('graph_BH_damp'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_damp', 1, "physics_damping"); + // create a node the temporary line can look at + supportNodes['targetNode'] = new Node({id:'targetNode'},{},{},this.constants); + var targetNode = supportNodes['targetNode']; + targetNode.x = node.x; + targetNode.y = node.y; - rangeElement = document.getElementById('graph_R_nd'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_nd', 1, "physics_repulsion_nodeDistance"); - rangeElement = document.getElementById('graph_R_cg'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_cg', 1, "physics_centralGravity"); - rangeElement = document.getElementById('graph_R_sc'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sc', 1, "physics_springConstant"); - rangeElement = document.getElementById('graph_R_sl'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sl', 1, "physics_springLength"); - rangeElement = document.getElementById('graph_R_damp'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_damp', 1, "physics_damping"); + // create a temporary edge + this.edges['connectionEdge'] = new Edge({id:"connectionEdge",from:node.id,to:targetNode.id}, this, this.constants); + var connectionEdge = this.edges['connectionEdge']; + connectionEdge.from = node; + connectionEdge.connected = true; + connectionEdge.options.smoothCurves = {enabled: true, + dynamic: false, + type: "continuous", + roundness: 0.5 + }; + connectionEdge.selected = true; + connectionEdge.to = targetNode; - rangeElement = document.getElementById('graph_H_nd'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); - rangeElement = document.getElementById('graph_H_cg'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_cg', 1, "physics_centralGravity"); - rangeElement = document.getElementById('graph_H_sc'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sc', 1, "physics_springConstant"); - rangeElement = document.getElementById('graph_H_sl'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sl', 1, "physics_springLength"); - rangeElement = document.getElementById('graph_H_damp'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_damp', 1, "physics_damping"); - rangeElement = document.getElementById('graph_H_direction'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_direction', hierarchicalLayoutDirections, "hierarchicalLayout_direction"); - rangeElement = document.getElementById('graph_H_levsep'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_levsep', 1, "hierarchicalLayout_levelSeparation"); - rangeElement = document.getElementById('graph_H_nspac'); - rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nspac', 1, "hierarchicalLayout_nodeSpacing"); + this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag; + this._handleOnDrag = function(event) { + var pointer = this._getPointer(event.gesture.center); + var connectionEdge = this.edges['connectionEdge']; + connectionEdge.to.x = this._XconvertDOMtoCanvas(pointer.x); + connectionEdge.to.y = this._YconvertDOMtoCanvas(pointer.y); + }; - var radioButton1 = document.getElementById("graph_physicsMethod1"); - var radioButton2 = document.getElementById("graph_physicsMethod2"); - var radioButton3 = document.getElementById("graph_physicsMethod3"); - radioButton2.checked = true; - if (this.constants.physics.barnesHut.enabled) { - radioButton1.checked = true; + this.moving = true; + this.start(); + } } - if (this.constants.hierarchicalLayout.enabled) { - radioButton3.checked = true; + } + }; + + exports._finishConnect = function(event) { + if (this._getSelectedNodeCount() == 1) { + var pointer = this._getPointer(event.gesture.center); + // restore the drag function + this._handleOnDrag = this.cachedFunctions["_handleOnDrag"]; + delete this.cachedFunctions["_handleOnDrag"]; + + // remember the edge id + var connectFromId = this.edges['connectionEdge'].fromId; + + // remove the temporary nodes and edge + delete this.edges['connectionEdge']; + delete this.sectors['support']['nodes']['targetNode']; + delete this.sectors['support']['nodes']['targetViaNode']; + + var node = this._getNodeAt(pointer); + if (node != null) { + if (node.clusterSize > 1) { + alert(this.constants.locales[this.constants.locale]["createEdgeError"]) + } + else { + this._createEdge(connectFromId,node.id); + this._createManipulatorBar(); + } } + this._unselectAll(); + } + }; - var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); - var graph_repositionNodes = document.getElementById("graph_repositionNodes"); - var graph_generateOptions = document.getElementById("graph_generateOptions"); - graph_toggleSmooth.onclick = graphToggleSmoothCurves.bind(this); - graph_repositionNodes.onclick = graphRepositionNodes.bind(this); - graph_generateOptions.onclick = graphGenerateOptions.bind(this); - if (this.constants.smoothCurves == true && this.constants.dynamicSmoothCurves == false) { - graph_toggleSmooth.style.background = "#A4FF56"; + /** + * Adds a node on the specified location + */ + exports._addNode = function() { + if (this._selectionIsEmpty() && this.editMode == true) { + var positionObject = this._pointerToPositionObject(this.pointerPosition); + var defaultData = {id:util.randomUUID(),x:positionObject.left,y:positionObject.top,label:"new",allowedToMoveX:true,allowedToMoveY:true}; + if (this.triggerFunctions.add) { + if (this.triggerFunctions.add.length == 2) { + var me = this; + this.triggerFunctions.add(defaultData, function(finalizedData) { + me.nodesData.add(finalizedData); + me._createManipulatorBar(); + me.moving = true; + me.start(); + }); + } + else { + throw new Error('The function for add does not support two arguments (data,callback)'); + this._createManipulatorBar(); + this.moving = true; + this.start(); + } } else { - graph_toggleSmooth.style.background = "#FF8532"; + this.nodesData.add(defaultData); + this._createManipulatorBar(); + this.moving = true; + this.start(); } - - - switchConfigurations.apply(this); - - radioButton1.onchange = switchConfigurations.bind(this); - radioButton2.onchange = switchConfigurations.bind(this); - radioButton3.onchange = switchConfigurations.bind(this); } }; + /** - * This overwrites the this.constants. + * connect two nodes with a new edge. * - * @param constantsVariableName - * @param value * @private */ - exports._overWriteGraphConstants = function (constantsVariableName, value) { - var nameArray = constantsVariableName.split("_"); - if (nameArray.length == 1) { - this.constants[nameArray[0]] = value; - } - else if (nameArray.length == 2) { - this.constants[nameArray[0]][nameArray[1]] = value; - } - else if (nameArray.length == 3) { - this.constants[nameArray[0]][nameArray[1]][nameArray[2]] = value; + exports._createEdge = function(sourceNodeId,targetNodeId) { + if (this.editMode == true) { + var defaultData = {from:sourceNodeId, to:targetNodeId}; + if (this.triggerFunctions.connect) { + if (this.triggerFunctions.connect.length == 2) { + var me = this; + this.triggerFunctions.connect(defaultData, function(finalizedData) { + me.edgesData.add(finalizedData); + me.moving = true; + me.start(); + }); + } + else { + throw new Error('The function for connect does not support two arguments (data,callback)'); + this.moving = true; + this.start(); + } + } + else { + this.edgesData.add(defaultData); + this.moving = true; + this.start(); + } } }; - /** - * this function is bound to the toggle smooth curves button. That is also why it is not in the prototype. + * connect two nodes with a new edge. + * + * @private */ - function graphToggleSmoothCurves () { - this.constants.smoothCurves.enabled = !this.constants.smoothCurves.enabled; - var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); - if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";} - else {graph_toggleSmooth.style.background = "#FF8532";} - - this._configureSmoothCurves(false); - } + exports._editEdge = function(sourceNodeId,targetNodeId) { + if (this.editMode == true) { + var defaultData = {id: this.edgeBeingEdited.id, from:sourceNodeId, to:targetNodeId}; + if (this.triggerFunctions.editEdge) { + if (this.triggerFunctions.editEdge.length == 2) { + var me = this; + this.triggerFunctions.editEdge(defaultData, function(finalizedData) { + me.edgesData.update(finalizedData); + me.moving = true; + me.start(); + }); + } + else { + throw new Error('The function for edit does not support two arguments (data, callback)'); + this.moving = true; + this.start(); + } + } + else { + this.edgesData.update(defaultData); + this.moving = true; + this.start(); + } + } + }; /** - * this function is used to scramble the nodes + * Create the toolbar to edit the selected node. The label and the color can be changed. Other colors are derived from the chosen color. * + * @private */ - function graphRepositionNodes () { - for (var nodeId in this.calculationNodes) { - if (this.calculationNodes.hasOwnProperty(nodeId)) { - this.calculationNodes[nodeId].vx = 0; this.calculationNodes[nodeId].vy = 0; - this.calculationNodes[nodeId].fx = 0; this.calculationNodes[nodeId].fy = 0; + exports._editNode = function() { + if (this.triggerFunctions.edit && this.editMode == true) { + var node = this._getSelectedNode(); + var data = {id:node.id, + label: node.label, + group: node.options.group, + shape: node.options.shape, + color: { + background:node.options.color.background, + border:node.options.color.border, + highlight: { + background:node.options.color.highlight.background, + border:node.options.color.highlight.border + } + }}; + if (this.triggerFunctions.edit.length == 2) { + var me = this; + this.triggerFunctions.edit(data, function (finalizedData) { + me.nodesData.update(finalizedData); + me._createManipulatorBar(); + me.moving = true; + me.start(); + }); + } + else { + throw new Error('The function for edit does not support two arguments (data, callback)'); } - } - if (this.constants.hierarchicalLayout.enabled == true) { - this._setupHierarchicalLayout(); - showValueOfRange.call(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); - showValueOfRange.call(this, 'graph_H_cg', 1, "physics_centralGravity"); - showValueOfRange.call(this, 'graph_H_sc', 1, "physics_springConstant"); - showValueOfRange.call(this, 'graph_H_sl', 1, "physics_springLength"); - showValueOfRange.call(this, 'graph_H_damp', 1, "physics_damping"); } else { - this.repositionNodes(); + throw new Error('No edit function has been bound to this button'); } - this.moving = true; - this.start(); - } + }; + + + /** - * this is used to generate an options file from the playing with physics system. + * delete everything in the selection + * + * @private */ - function graphGenerateOptions () { - var options = "No options are required, default values used."; - var optionsSpecific = []; - var radioButton1 = document.getElementById("graph_physicsMethod1"); - var radioButton2 = document.getElementById("graph_physicsMethod2"); - if (radioButton1.checked == true) { - if (this.constants.physics.barnesHut.gravitationalConstant != this.backupConstants.physics.barnesHut.gravitationalConstant) {optionsSpecific.push("gravitationalConstant: " + this.constants.physics.barnesHut.gravitationalConstant);} - if (this.constants.physics.centralGravity != this.backupConstants.physics.barnesHut.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} - if (this.constants.physics.springLength != this.backupConstants.physics.barnesHut.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} - if (this.constants.physics.springConstant != this.backupConstants.physics.barnesHut.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} - if (this.constants.physics.damping != this.backupConstants.physics.barnesHut.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} - if (optionsSpecific.length != 0) { - options = "var options = {"; - options += "physics: {barnesHut: {"; - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", " - } - } - options += '}}' - } - if (this.constants.smoothCurves.enabled != this.backupConstants.smoothCurves.enabled) { - if (optionsSpecific.length == 0) {options = "var options = {";} - else {options += ", "} - options += "smoothCurves: " + this.constants.smoothCurves.enabled; - } - if (options != "No options are required, default values used.") { - options += '};' - } - } - else if (radioButton2.checked == true) { - options = "var options = {"; - options += "physics: {barnesHut: {enabled: false}"; - if (this.constants.physics.repulsion.nodeDistance != this.backupConstants.physics.repulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.repulsion.nodeDistance);} - if (this.constants.physics.centralGravity != this.backupConstants.physics.repulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} - if (this.constants.physics.springLength != this.backupConstants.physics.repulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} - if (this.constants.physics.springConstant != this.backupConstants.physics.repulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} - if (this.constants.physics.damping != this.backupConstants.physics.repulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} - if (optionsSpecific.length != 0) { - options += ", repulsion: {"; - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", " + exports._deleteSelected = function() { + if (!this._selectionIsEmpty() && this.editMode == true) { + if (!this._clusterInSelection()) { + var selectedNodes = this.getSelectedNodes(); + var selectedEdges = this.getSelectedEdges(); + if (this.triggerFunctions.del) { + var me = this; + var data = {nodes: selectedNodes, edges: selectedEdges}; + if (this.triggerFunctions.del.length = 2) { + this.triggerFunctions.del(data, function (finalizedData) { + me.edgesData.remove(finalizedData.edges); + me.nodesData.remove(finalizedData.nodes); + me._unselectAll(); + me.moving = true; + me.start(); + }); } - } - options += '}}' - } - if (optionsSpecific.length == 0) {options += "}"} - if (this.constants.smoothCurves != this.backupConstants.smoothCurves) { - options += ", smoothCurves: " + this.constants.smoothCurves; - } - options += '};' - } - else { - options = "var options = {"; - if (this.constants.physics.hierarchicalRepulsion.nodeDistance != this.backupConstants.physics.hierarchicalRepulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.hierarchicalRepulsion.nodeDistance);} - if (this.constants.physics.centralGravity != this.backupConstants.physics.hierarchicalRepulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} - if (this.constants.physics.springLength != this.backupConstants.physics.hierarchicalRepulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} - if (this.constants.physics.springConstant != this.backupConstants.physics.hierarchicalRepulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} - if (this.constants.physics.damping != this.backupConstants.physics.hierarchicalRepulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} - if (optionsSpecific.length != 0) { - options += "physics: {hierarchicalRepulsion: {"; - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", "; + else { + throw new Error('The function for delete does not support two arguments (data, callback)') } } - options += '}},'; - } - options += 'hierarchicalLayout: {'; - optionsSpecific = []; - if (this.constants.hierarchicalLayout.direction != this.backupConstants.hierarchicalLayout.direction) {optionsSpecific.push("direction: " + this.constants.hierarchicalLayout.direction);} - if (Math.abs(this.constants.hierarchicalLayout.levelSeparation) != this.backupConstants.hierarchicalLayout.levelSeparation) {optionsSpecific.push("levelSeparation: " + this.constants.hierarchicalLayout.levelSeparation);} - if (this.constants.hierarchicalLayout.nodeSpacing != this.backupConstants.hierarchicalLayout.nodeSpacing) {optionsSpecific.push("nodeSpacing: " + this.constants.hierarchicalLayout.nodeSpacing);} - if (optionsSpecific.length != 0) { - for (var i = 0; i < optionsSpecific.length; i++) { - options += optionsSpecific[i]; - if (i < optionsSpecific.length - 1) { - options += ", " - } + else { + this.edgesData.remove(selectedEdges); + this.nodesData.remove(selectedNodes); + this._unselectAll(); + this.moving = true; + this.start(); } - options += '}' } else { - options += "enabled:true}"; + alert(this.constants.locales[this.constants.locale]["deleteClusterError"]); } - options += '};' } + }; - this.optionsDiv.innerHTML = options; - } +/***/ }, +/* 65 */ +/***/ function(module, exports, __webpack_require__) { - /** - * this is used to switch between barnesHut, repulsion and hierarchical. - * - */ - function switchConfigurations () { - var ids = ["graph_BH_table", "graph_R_table", "graph_H_table"]; - var radioButton = document.querySelector('input[name="graph_physicsMethod"]:checked').value; - var tableId = "graph_" + radioButton + "_table"; - var table = document.getElementById(tableId); - table.style.display = "block"; - for (var i = 0; i < ids.length; i++) { - if (ids[i] != tableId) { - table = document.getElementById(ids[i]); - table.style.display = "none"; - } - } - this._restoreNodes(); - if (radioButton == "R") { - this.constants.hierarchicalLayout.enabled = false; - this.constants.physics.hierarchicalRepulsion.enabled = false; - this.constants.physics.barnesHut.enabled = false; - } - else if (radioButton == "H") { - if (this.constants.hierarchicalLayout.enabled == false) { - this.constants.hierarchicalLayout.enabled = true; - this.constants.physics.hierarchicalRepulsion.enabled = true; - this.constants.physics.barnesHut.enabled = false; - this.constants.smoothCurves.enabled = false; - this._setupHierarchicalLayout(); + var util = __webpack_require__(1); + var Hammer = __webpack_require__(19); + + exports._cleanNavigation = function() { + // clean hammer bindings + if (this.navigationHammers.existing.length != 0) { + for (var i = 0; i < this.navigationHammers.existing.length; i++) { + this.navigationHammers.existing[i].dispose(); } + this.navigationHammers.existing = []; } - else { - this.constants.hierarchicalLayout.enabled = false; - this.constants.physics.hierarchicalRepulsion.enabled = false; - this.constants.physics.barnesHut.enabled = true; - } - this._loadSelectedForceSolver(); - var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); - if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";} - else {graph_toggleSmooth.style.background = "#FF8532";} - this.moving = true; - this.start(); - } + this._navigationReleaseOverload = function () {}; + + // clean up previous navigation items + var wrapper = document.getElementById('network-navigation_wrapper'); + if (wrapper && wrapper.parentNode) { + wrapper.parentNode.removeChild(wrapper); + } + }; /** - * this generates the ranges depending on the iniital values. + * Creation of the navigation controls nodes. They are drawn over the rest of the nodes and are not affected by scale and translation + * they have a triggerFunction which is called on click. If the position of the navigation controls is dependent + * on this.frame.canvas.clientWidth or this.frame.canvas.clientHeight, we flag horizontalAlignLeft and verticalAlignTop false. + * This means that the location will be corrected by the _relocateNavigation function on a size change of the canvas. * - * @param id - * @param map - * @param constantsVariableName + * @private */ - function showValueOfRange (id,map,constantsVariableName) { - var valueId = id + "_value"; - var rangeValue = document.getElementById(id).value; + exports._loadNavigationElements = function() { + this._cleanNavigation(); - if (Array.isArray(map)) { - document.getElementById(valueId).value = map[parseInt(rangeValue)]; - this._overWriteGraphConstants(constantsVariableName,map[parseInt(rangeValue)]); - } - else { - document.getElementById(valueId).value = parseInt(map) * parseFloat(rangeValue); - this._overWriteGraphConstants(constantsVariableName, parseInt(map) * parseFloat(rangeValue)); - } + this.navigationDivs = {}; + var navigationDivs = ['up','down','left','right','zoomIn','zoomOut','zoomExtends']; + var navigationDivActions = ['_moveUp','_moveDown','_moveLeft','_moveRight','_zoomIn','_zoomOut','_zoomExtent']; - if (constantsVariableName == "hierarchicalLayout_direction" || - constantsVariableName == "hierarchicalLayout_levelSeparation" || - constantsVariableName == "hierarchicalLayout_nodeSpacing") { - this._setupHierarchicalLayout(); + this.navigationDivs['wrapper'] = document.createElement('div'); + this.navigationDivs['wrapper'].id = 'network-navigation_wrapper'; + 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]].id = 'network-navigation_' + navigationDivs[i]; + this.navigationDivs[navigationDivs[i]].className = 'network-navigation ' + navigationDivs[i]; + this.navigationDivs['wrapper'].appendChild(this.navigationDivs[navigationDivs[i]]); + + var hammer = Hammer(this.navigationDivs[navigationDivs[i]], {prevent_default: true}); + hammer.on('touch', this[navigationDivActions[i]].bind(this)); + this.navigationHammers.new.push(hammer); } - this.moving = true; - this.start(); - } + this._navigationReleaseOverload = this._stopMovement; -/***/ }, -/* 64 */ -/***/ function(module, exports, __webpack_require__) { + this.navigationHammers.existing = this.navigationHammers.new; + }; - function webpackContext(req) { - throw new Error("Cannot find module '" + req + "'."); - } - webpackContext.keys = function() { return []; }; - webpackContext.resolve = webpackContext; - module.exports = webpackContext; - webpackContext.id = 64; + /** + * this stops all movement induced by the navigation buttons + * + * @private + */ + exports._zoomExtent = function(event) { + this.zoomExtent({duration:800}); + event.stopPropagation(); + }; + + /** + * this stops all movement induced by the navigation buttons + * + * @private + */ + exports._stopMovement = function() { + this._xStopMoving(); + this._yStopMoving(); + this._stopZoom(); + }; -/***/ }, -/* 65 */ -/***/ function(module, exports, __webpack_require__) { /** - * Calculate the forces the nodes apply on each other based on a repulsion field. - * This field is linearly approximated. + * move the screen up + * By using the increments, instead of adding a fixed number to the translation, we keep fluent and + * instant movement. The onKeypress event triggers immediately, then pauses, then triggers frequently + * To avoid this behaviour, we do the translation in the start loop. * * @private */ - exports._calculateNodeForces = function () { - var dx, dy, angle, distance, fx, fy, combinedClusterSize, - repulsingForce, node1, node2, i, j; + exports._moveUp = function(event) { + this.yIncrement = this.constants.keyboard.speed.y; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; - // approximation constants - var a_base = -2 / 3; - var b = 4 / 3; + /** + * move the screen down + * @private + */ + exports._moveDown = function(event) { + this.yIncrement = -this.constants.keyboard.speed.y; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; - // repulsing forces between nodes - var nodeDistance = this.constants.physics.repulsion.nodeDistance; - var minimumDistance = nodeDistance; - // we loop from i over all but the last entree in the array - // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j - for (i = 0; i < nodeIndices.length - 1; i++) { - node1 = nodes[nodeIndices[i]]; - for (j = i + 1; j < nodeIndices.length; j++) { - node2 = nodes[nodeIndices[j]]; - combinedClusterSize = node1.clusterSize + node2.clusterSize - 2; + /** + * move the screen left + * @private + */ + exports._moveLeft = function(event) { + this.xIncrement = this.constants.keyboard.speed.x; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; + + + /** + * move the screen right + * @private + */ + exports._moveRight = function(event) { + this.xIncrement = -this.constants.keyboard.speed.y; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; + + + /** + * Zoom in, using the same method as the movement. + * @private + */ + exports._zoomIn = function(event) { + this.zoomIncrement = this.constants.keyboard.speed.zoom; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; + + + /** + * Zoom out + * @private + */ + exports._zoomOut = function(event) { + this.zoomIncrement = -this.constants.keyboard.speed.zoom; + this.start(); // if there is no node movement, the calculation wont be done + event.preventDefault(); + }; - dx = node2.x - node1.x; - dy = node2.y - node1.y; - distance = Math.sqrt(dx * dx + dy * dy); - minimumDistance = (combinedClusterSize == 0) ? nodeDistance : (nodeDistance * (1 + combinedClusterSize * this.constants.clustering.distanceAmplification)); - var a = a_base / minimumDistance; - if (distance < 2 * minimumDistance) { - if (distance < 0.5 * minimumDistance) { - repulsingForce = 1.0; - } - else { - repulsingForce = a * distance + b; // linear approx of 1 / (1 + Math.exp((distance / minimumDistance - 1) * steepness)) - } + /** + * Stop zooming and unhighlight the zoom controls + * @private + */ + exports._stopZoom = function(event) { + this.zoomIncrement = 0; + event && event.preventDefault(); + }; - // amplify the repulsion for clusters. - repulsingForce *= (combinedClusterSize == 0) ? 1 : 1 + combinedClusterSize * this.constants.clustering.forceAmplification; - repulsingForce = repulsingForce / distance; - fx = dx * repulsingForce; - fy = dy * repulsingForce; + /** + * Stop moving in the Y direction and unHighlight the up and down + * @private + */ + exports._yStopMoving = function(event) { + this.yIncrement = 0; + event && event.preventDefault(); + }; - node1.fx -= fx; - node1.fy -= fy; - node2.fx += fx; - node2.fy += fy; - } - } - } + + /** + * Stop moving in the X direction and unHighlight left and right. + * @private + */ + exports._xStopMoving = function(event) { + this.xIncrement = 0; + event && event.preventDefault(); }; @@ -33204,579 +33100,688 @@ return /******/ (function(modules) { // webpackBootstrap /* 66 */ /***/ function(module, exports, __webpack_require__) { + exports._resetLevels = function() { + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + var node = this.nodes[nodeId]; + if (node.preassignedLevel == false) { + node.level = -1; + node.hierarchyEnumerated = false; + } + } + } + }; + /** - * Calculate the forces the nodes apply on eachother based on a repulsion field. - * This field is linearly approximated. + * This is the main function to layout the nodes in a hierarchical way. + * It checks if the node details are supplied correctly * * @private */ - exports._calculateNodeForces = function () { - var dx, dy, distance, fx, fy, - repulsingForce, node1, node2, i, j; - - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; - - // repulsing forces between nodes - var nodeDistance = this.constants.physics.hierarchicalRepulsion.nodeDistance; - - // we loop from i over all but the last entree in the array - // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j - for (i = 0; i < nodeIndices.length - 1; i++) { - node1 = nodes[nodeIndices[i]]; - for (j = i + 1; j < nodeIndices.length; j++) { - node2 = nodes[nodeIndices[j]]; + exports._setupHierarchicalLayout = function() { + if (this.constants.hierarchicalLayout.enabled == true && this.nodeIndices.length > 0) { + if (this.constants.hierarchicalLayout.direction == "RL" || this.constants.hierarchicalLayout.direction == "DU") { + this.constants.hierarchicalLayout.levelSeparation *= -1; + } + else { + this.constants.hierarchicalLayout.levelSeparation = Math.abs(this.constants.hierarchicalLayout.levelSeparation); + } - // nodes only affect nodes on their level - if (node1.level == node2.level) { + if (this.constants.hierarchicalLayout.direction == "RL" || this.constants.hierarchicalLayout.direction == "LR") { + if (this.constants.smoothCurves.enabled == true) { + this.constants.smoothCurves.type = "vertical"; + } + } + else { + if (this.constants.smoothCurves.enabled == true) { + this.constants.smoothCurves.type = "horizontal"; + } + } + // get the size of the largest hubs and check if the user has defined a level for a node. + var hubsize = 0; + var node, nodeId; + var definedLevel = false; + var undefinedLevel = false; - dx = node2.x - node1.x; - dy = node2.y - node1.y; - distance = Math.sqrt(dx * dx + dy * dy); + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.level != -1) { + definedLevel = true; + } + else { + undefinedLevel = true; + } + if (hubsize < node.edges.length) { + hubsize = node.edges.length; + } + } + } + // if the user defined some levels but not all, alert and run without hierarchical layout + if (undefinedLevel == true && definedLevel == true) { + throw new Error("To use the hierarchical layout, nodes require either no predefined levels or levels have to be defined for all nodes."); + this.zoomExtent(undefined,true,this.constants.clustering.enabled); + if (!this.constants.clustering.enabled) { + this.start(); + } + } + else { + // setup the system to use hierarchical method. + this._changeConstants(); - var steepness = 0.05; - if (distance < nodeDistance) { - repulsingForce = -Math.pow(steepness*distance,2) + Math.pow(steepness*nodeDistance,2); + // define levels if undefined by the users. Based on hubsize + if (undefinedLevel == true) { + if (this.constants.hierarchicalLayout.layout == "hubsize") { + this._determineLevels(hubsize); } else { - repulsingForce = 0; + this._determineLevelsDirected(); } - // normalize force with - if (distance == 0) { - distance = 0.01; - } - else { - repulsingForce = repulsingForce / distance; - } - fx = dx * repulsingForce; - fy = dy * repulsingForce; - node1.fx -= fx; - node1.fy -= fy; - node2.fx += fx; - node2.fy += fy; } + // check the distribution of the nodes per level. + var distribution = this._getDistribution(); + + // place the nodes on the canvas. This also stablilizes the system. + this._placeNodesByHierarchy(distribution); + + // start the simulation. + this.start(); } } }; /** - * this function calculates the effects of the springs in the case of unsmooth curves. + * This function places the nodes on the canvas based on the hierarchial distribution. * + * @param {Object} distribution | obtained by the function this._getDistribution() * @private */ - exports._calculateHierarchicalSpringForces = function () { - var edgeLength, edge, edgeId; - var dx, dy, fx, fy, springForce, distance; - var edges = this.edges; - - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; - - - for (var i = 0; i < nodeIndices.length; i++) { - var node1 = nodes[nodeIndices[i]]; - node1.springFx = 0; - node1.springFy = 0; - } - - - // forces caused by the edges, modelled as springs - for (edgeId in edges) { - if (edges.hasOwnProperty(edgeId)) { - edge = edges[edgeId]; - if (edge.connected) { - // only calculate forces if nodes are in the same sector - if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { - edgeLength = edge.physics.springLength; - // this implies that the edges between big clusters are longer - edgeLength += (edge.to.clusterSize + edge.from.clusterSize - 2) * this.constants.clustering.edgeGrowth; - - dx = (edge.from.x - edge.to.x); - dy = (edge.from.y - edge.to.y); - distance = Math.sqrt(dx * dx + dy * dy); - - if (distance == 0) { - distance = 0.01; - } - - // the 1/distance is so the fx and fy can be calculated without sine or cosine. - springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance; - - fx = dx * springForce; - fy = dy * springForce; + exports._placeNodesByHierarchy = function(distribution) { + var nodeId, node; + // start placing all the level 0 nodes first. Then recursively position their branches. + for (var level in distribution) { + if (distribution.hasOwnProperty(level)) { + for (nodeId in distribution[level].nodes) { + if (distribution[level].nodes.hasOwnProperty(nodeId)) { + node = distribution[level].nodes[nodeId]; + if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { + if (node.xFixed) { + node.x = distribution[level].minPos; + node.xFixed = false; - if (edge.to.level != edge.from.level) { - edge.to.springFx -= fx; - edge.to.springFy -= fy; - edge.from.springFx += fx; - edge.from.springFy += fy; + distribution[level].minPos += distribution[level].nodeSpacing; + } } else { - var factor = 0.5; - edge.to.fx -= factor*fx; - edge.to.fy -= factor*fy; - edge.from.fx += factor*fx; - edge.from.fy += factor*fy; + if (node.yFixed) { + node.y = distribution[level].minPos; + node.yFixed = false; + + distribution[level].minPos += distribution[level].nodeSpacing; + } } + this._placeBranchNodes(node.edges,node.id,distribution,node.level); } } } } - // normalize spring forces - var springForce = 1; - var springFx, springFy; - for (i = 0; i < nodeIndices.length; i++) { - var node = nodes[nodeIndices[i]]; - springFx = Math.min(springForce,Math.max(-springForce,node.springFx)); - springFy = Math.min(springForce,Math.max(-springForce,node.springFy)); - - node.fx += springFx; - node.fy += springFy; - } - - // retain energy balance - var totalFx = 0; - var totalFy = 0; - for (i = 0; i < nodeIndices.length; i++) { - var node = nodes[nodeIndices[i]]; - totalFx += node.fx; - totalFy += node.fy; - } - var correctionFx = totalFx / nodeIndices.length; - var correctionFy = totalFy / nodeIndices.length; - - for (i = 0; i < nodeIndices.length; i++) { - var node = nodes[nodeIndices[i]]; - node.fx -= correctionFx; - node.fy -= correctionFy; - } - + // stabilize the system after positioning. This function calls zoomExtent. + this._stabilize(); }; -/***/ }, -/* 67 */ -/***/ function(module, exports, __webpack_require__) { /** - * This function calculates the forces the nodes apply on eachother based on a gravitational model. - * The Barnes Hut method is used to speed up this N-body simulation. + * This function get the distribution of levels based on hubsize * + * @returns {Object} * @private */ - exports._calculateNodeForces = function() { - if (this.constants.physics.barnesHut.gravitationalConstant != 0) { - var node; - var nodes = this.calculationNodes; - var nodeIndices = this.calculationNodeIndices; - var nodeCount = nodeIndices.length; - - this._formBarnesHutTree(nodes,nodeIndices); + exports._getDistribution = function() { + var distribution = {}; + var nodeId, node, level; - var barnesHutTree = this.barnesHutTree; + // we fix Y because the hierarchy is vertical, we fix X so we do not give a node an x position for a second time. + // the fix of X is removed after the x value has been set. + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + node.xFixed = true; + node.yFixed = true; + if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { + node.y = this.constants.hierarchicalLayout.levelSeparation*node.level; + } + else { + node.x = this.constants.hierarchicalLayout.levelSeparation*node.level; + } + if (distribution[node.level] === undefined) { + distribution[node.level] = {amount: 0, nodes: {}, minPos:0, nodeSpacing:0}; + } + distribution[node.level].amount += 1; + distribution[node.level].nodes[nodeId] = node; + } + } - // place the nodes one by one recursively - for (var i = 0; i < nodeCount; i++) { - node = nodes[nodeIndices[i]]; - if (node.options.mass > 0) { - // starting with root is irrelevant, it never passes the BarnesHut condition - this._getForceContribution(barnesHutTree.root.children.NW,node); - this._getForceContribution(barnesHutTree.root.children.NE,node); - this._getForceContribution(barnesHutTree.root.children.SW,node); - this._getForceContribution(barnesHutTree.root.children.SE,node); + // determine the largest amount of nodes of all levels + var maxCount = 0; + for (level in distribution) { + if (distribution.hasOwnProperty(level)) { + if (maxCount < distribution[level].amount) { + maxCount = distribution[level].amount; } } } + + // set the initial position and spacing of each nodes accordingly + for (level in distribution) { + if (distribution.hasOwnProperty(level)) { + distribution[level].nodeSpacing = (maxCount + 1) * this.constants.hierarchicalLayout.nodeSpacing; + distribution[level].nodeSpacing /= (distribution[level].amount + 1); + distribution[level].minPos = distribution[level].nodeSpacing - (0.5 * (distribution[level].amount + 1) * distribution[level].nodeSpacing); + } + } + + return distribution; }; /** - * This function traverses the barnesHutTree. It checks when it can approximate distant nodes with their center of mass. - * If a region contains a single node, we check if it is not itself, then we apply the force. + * this function allocates nodes in levels based on the recursive branching from the largest hubs. * - * @param parentBranch - * @param node + * @param hubsize * @private */ - exports._getForceContribution = function(parentBranch,node) { - // we get no force contribution from an empty region - if (parentBranch.childrenCount > 0) { - var dx,dy,distance; - - // get the distance from the center of mass to the node. - dx = parentBranch.centerOfMass.x - node.x; - dy = parentBranch.centerOfMass.y - node.y; - distance = Math.sqrt(dx * dx + dy * dy); + exports._determineLevels = function(hubsize) { + var nodeId, node; - // BarnesHut condition - // original condition : s/d < theta = passed === d/s > 1/theta = passed - // calcSize = 1/s --> d * 1/s > 1/theta = passed - if (distance * parentBranch.calcSize > this.constants.physics.barnesHut.theta) { - // duplicate code to reduce function calls to speed up program - if (distance == 0) { - distance = 0.1*Math.random(); - dx = distance; + // determine hubs + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.edges.length == hubsize) { + node.level = 0; } - var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); - var fx = dx * gravityForce; - var fy = dy * gravityForce; - node.fx += fx; - node.fy += fy; } - else { - // Did not pass the condition, go into children if available - if (parentBranch.childrenCount == 4) { - this._getForceContribution(parentBranch.children.NW,node); - this._getForceContribution(parentBranch.children.NE,node); - this._getForceContribution(parentBranch.children.SW,node); - this._getForceContribution(parentBranch.children.SE,node); - } - else { // parentBranch must have only one node, if it was empty we wouldnt be here - if (parentBranch.children.data.id != node.id) { // if it is not self - // duplicate code to reduce function calls to speed up program - if (distance == 0) { - distance = 0.5*Math.random(); - dx = distance; - } - var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); - var fx = dx * gravityForce; - var fy = dy * gravityForce; - node.fx += fx; - node.fy += fy; - } + } + + // branch from hubs + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.level == 0) { + this._setLevel(1,node.edges,node.id); } } } }; /** - * This function constructs the barnesHut tree recursively. It creates the root, splits it and starts placing the nodes. + * this function allocates nodes in levels based on the recursive branching from the largest hubs. * - * @param nodes - * @param nodeIndices + * @param hubsize * @private */ - exports._formBarnesHutTree = function(nodes,nodeIndices) { - var node; - var nodeCount = nodeIndices.length; - - var minX = Number.MAX_VALUE, - minY = Number.MAX_VALUE, - maxX =-Number.MAX_VALUE, - maxY =-Number.MAX_VALUE; + exports._determineLevelsDirected = function() { + var nodeId, node; - // get the range of the nodes - for (var i = 0; i < nodeCount; i++) { - var x = nodes[nodeIndices[i]].x; - var y = nodes[nodeIndices[i]].y; - if (nodes[nodeIndices[i]].options.mass > 0) { - if (x < minX) { minX = x; } - if (x > maxX) { maxX = x; } - if (y < minY) { minY = y; } - if (y > maxY) { maxY = y; } + // set first node to source + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.nodes[nodeId].level = 10000; + break; } } - // make the range a square - var sizeDiff = Math.abs(maxX - minX) - Math.abs(maxY - minY); // difference between X and Y - if (sizeDiff > 0) {minY -= 0.5 * sizeDiff; maxY += 0.5 * sizeDiff;} // xSize > ySize - else {minX += 0.5 * sizeDiff; maxX -= 0.5 * sizeDiff;} // xSize < ySize + // branch from hubs + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.level == 10000) { + this._setLevelDirected(10000,node.edges,node.id); + } + } + } - var minimumTreeSize = 1e-5; - var rootSize = Math.max(minimumTreeSize,Math.abs(maxX - minX)); - var halfRootSize = 0.5 * rootSize; - var centerX = 0.5 * (minX + maxX), centerY = 0.5 * (minY + maxY); - // construct the barnesHutTree - var barnesHutTree = { - root:{ - centerOfMass: {x:0, y:0}, - mass:0, - range: { - minX: centerX-halfRootSize,maxX:centerX+halfRootSize, - minY: centerY-halfRootSize,maxY:centerY+halfRootSize - }, - size: rootSize, - calcSize: 1 / rootSize, - children: { data:null}, - maxWidth: 0, - level: 0, - childrenCount: 4 + // branch from hubs + var minLevel = 10000; + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + minLevel = node.level < minLevel ? node.level : minLevel; } - }; - this._splitBranch(barnesHutTree.root); + } - // place the nodes one by one recursively - for (i = 0; i < nodeCount; i++) { - node = nodes[nodeIndices[i]]; - if (node.options.mass > 0) { - this._placeInTree(barnesHutTree.root,node); + // branch from hubs + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + node.level -= minLevel; } } - - // make global - this.barnesHutTree = barnesHutTree }; /** - * this updates the mass of a branch. this is increased by adding a node. + * Since hierarchical layout does not support: + * - smooth curves (based on the physics), + * - clustering (based on dynamic node counts) + * + * We disable both features so there will be no problems. * - * @param parentBranch - * @param node * @private */ - exports._updateBranchMass = function(parentBranch, node) { - var totalMass = parentBranch.mass + node.options.mass; - var totalMassInv = 1/totalMass; - - parentBranch.centerOfMass.x = parentBranch.centerOfMass.x * parentBranch.mass + node.x * node.options.mass; - parentBranch.centerOfMass.x *= totalMassInv; - - parentBranch.centerOfMass.y = parentBranch.centerOfMass.y * parentBranch.mass + node.y * node.options.mass; - parentBranch.centerOfMass.y *= totalMassInv; - - parentBranch.mass = totalMass; - var biggestSize = Math.max(Math.max(node.height,node.radius),node.width); - parentBranch.maxWidth = (parentBranch.maxWidth < biggestSize) ? biggestSize : parentBranch.maxWidth; - + exports._changeConstants = function() { + this.constants.clustering.enabled = false; + this.constants.physics.barnesHut.enabled = false; + this.constants.physics.hierarchicalRepulsion.enabled = true; + this._loadSelectedForceSolver(); + if (this.constants.smoothCurves.enabled == true) { + this.constants.smoothCurves.dynamic = false; + } + this._configureSmoothCurves(); }; /** - * determine in which branch the node will be placed. + * This is a recursively called function to enumerate the branches from the largest hubs and place the nodes + * on a X position that ensures there will be no overlap. * - * @param parentBranch - * @param node - * @param skipMassUpdate + * @param edges + * @param parentId + * @param distribution + * @param parentLevel * @private */ - exports._placeInTree = function(parentBranch,node,skipMassUpdate) { - if (skipMassUpdate != true || skipMassUpdate === undefined) { - // update the mass of the branch. - this._updateBranchMass(parentBranch,node); - } - - if (parentBranch.children.NW.range.maxX > node.x) { // in NW or SW - if (parentBranch.children.NW.range.maxY > node.y) { // in NW - this._placeInRegion(parentBranch,node,"NW"); + exports._placeBranchNodes = function(edges, parentId, distribution, parentLevel) { + for (var i = 0; i < edges.length; i++) { + var childNode = null; + if (edges[i].toId == parentId) { + childNode = edges[i].from; } - else { // in SW - this._placeInRegion(parentBranch,node,"SW"); + else { + childNode = edges[i].to; } - } - else { // in NE or SE - if (parentBranch.children.NW.range.maxY > node.y) { // in NE - this._placeInRegion(parentBranch,node,"NE"); + + // if a node is conneceted to another node on the same level (or higher (means lower level))!, this is not handled here. + var nodeMoved = false; + if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { + if (childNode.xFixed && childNode.level > parentLevel) { + childNode.xFixed = false; + childNode.x = distribution[childNode.level].minPos; + nodeMoved = true; + } } - else { // in SE - this._placeInRegion(parentBranch,node,"SE"); + else { + if (childNode.yFixed && childNode.level > parentLevel) { + childNode.yFixed = false; + childNode.y = distribution[childNode.level].minPos; + nodeMoved = true; + } + } + + if (nodeMoved == true) { + distribution[childNode.level].minPos += distribution[childNode.level].nodeSpacing; + if (childNode.edges.length > 1) { + this._placeBranchNodes(childNode.edges,childNode.id,distribution,childNode.level); + } } } }; /** - * actually place the node in a region (or branch) + * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. * - * @param parentBranch - * @param node - * @param region + * @param level + * @param edges + * @param parentId * @private */ - exports._placeInRegion = function(parentBranch,node,region) { - switch (parentBranch.children[region].childrenCount) { - case 0: // place node here - parentBranch.children[region].children.data = node; - parentBranch.children[region].childrenCount = 1; - this._updateBranchMass(parentBranch.children[region],node); - break; - case 1: // convert into children - // if there are two nodes exactly overlapping (on init, on opening of cluster etc.) - // we move one node a pixel and we do not put it in the tree. - if (parentBranch.children[region].children.data.x == node.x && - parentBranch.children[region].children.data.y == node.y) { - node.x += Math.random(); - node.y += Math.random(); - } - else { - this._splitBranch(parentBranch.children[region]); - this._placeInTree(parentBranch.children[region],node); + exports._setLevel = function(level, edges, parentId) { + for (var i = 0; i < edges.length; i++) { + var childNode = null; + if (edges[i].toId == parentId) { + childNode = edges[i].from; + } + else { + childNode = edges[i].to; + } + if (childNode.level == -1 || childNode.level > level) { + childNode.level = level; + if (childNode.edges.length > 1) { + this._setLevel(level+1, childNode.edges, childNode.id); } - break; - case 4: // place in branch - this._placeInTree(parentBranch.children[region],node); - break; + } } }; /** - * this function splits a branch into 4 sub branches. If the branch contained a node, we place it in the subbranch - * after the split is complete. + * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. * - * @param parentBranch + * @param level + * @param edges + * @param parentId * @private */ - exports._splitBranch = function(parentBranch) { - // if the branch is shaded with a node, replace the node in the new subset. - var containedNode = null; - if (parentBranch.childrenCount == 1) { - containedNode = parentBranch.children.data; - parentBranch.mass = 0; parentBranch.centerOfMass.x = 0; parentBranch.centerOfMass.y = 0; + exports._setLevelDirected = function(level, edges, parentId) { + this.nodes[parentId].hierarchyEnumerated = true; + for (var i = 0; i < edges.length; i++) { + var childNode = null; + var direction = 1; + if (edges[i].toId == parentId) { + childNode = edges[i].from; + direction = -1; + } + else { + childNode = edges[i].to; + } + if (childNode.level == -1) { + childNode.level = level + direction; + } } - parentBranch.childrenCount = 4; - parentBranch.children.data = null; - this._insertRegion(parentBranch,"NW"); - this._insertRegion(parentBranch,"NE"); - this._insertRegion(parentBranch,"SW"); - this._insertRegion(parentBranch,"SE"); - if (containedNode != null) { - this._placeInTree(parentBranch,containedNode); + for (var i = 0; i < edges.length; i++) { + var childNode = null; + if (edges[i].toId == parentId) {childNode = edges[i].from;} + else {childNode = edges[i].to;} + if (childNode.edges.length > 1 && childNode.hierarchyEnumerated === false) { + this._setLevelDirected(childNode.level, childNode.edges, childNode.id); + } } }; /** - * This function subdivides the region into four new segments. - * Specifically, this inserts a single new segment. - * It fills the children section of the parentBranch + * Unfix nodes * - * @param parentBranch - * @param region - * @param parentRange * @private */ - exports._insertRegion = function(parentBranch, region) { - var minX,maxX,minY,maxY; - var childSize = 0.5 * parentBranch.size; - switch (region) { - case "NW": - minX = parentBranch.range.minX; - maxX = parentBranch.range.minX + childSize; - minY = parentBranch.range.minY; - maxY = parentBranch.range.minY + childSize; - break; - case "NE": - minX = parentBranch.range.minX + childSize; - maxX = parentBranch.range.maxX; - minY = parentBranch.range.minY; - maxY = parentBranch.range.minY + childSize; - break; - case "SW": - minX = parentBranch.range.minX; - maxX = parentBranch.range.minX + childSize; - minY = parentBranch.range.minY + childSize; - maxY = parentBranch.range.maxY; - break; - case "SE": - minX = parentBranch.range.minX + childSize; - maxX = parentBranch.range.maxX; - minY = parentBranch.range.minY + childSize; - maxY = parentBranch.range.maxY; - break; + exports._restoreNodes = function() { + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.nodes[nodeId].xFixed = false; + this.nodes[nodeId].yFixed = false; + } } + }; - parentBranch.children[region] = { - centerOfMass:{x:0,y:0}, - mass:0, - range:{minX:minX,maxX:maxX,minY:minY,maxY:maxY}, - size: 0.5 * parentBranch.size, - calcSize: 2 * parentBranch.calcSize, - children: {data:null}, - maxWidth: 0, - level: parentBranch.level+1, - childrenCount: 0 - }; +/***/ }, +/* 67 */ +/***/ function(module, exports, __webpack_require__) { + + // English + exports['en'] = { + edit: 'Edit', + del: 'Delete selected', + back: 'Back', + addNode: 'Add Node', + addEdge: 'Add Edge', + editNode: 'Edit Node', + editEdge: 'Edit Edge', + addDescription: 'Click in an empty space to place a new node.', + edgeDescription: 'Click on a node and drag the edge to another node to connect them.', + editEdgeDescription: 'Click on the control points and drag them to a node to connect to it.', + createEdgeError: 'Cannot link edges to a cluster.', + deleteClusterError: 'Clusters cannot be deleted.' + }; + exports['en_EN'] = exports['en']; + exports['en_US'] = exports['en']; + + // Dutch + exports['nl'] = { + edit: 'Wijzigen', + del: 'Selectie verwijderen', + back: 'Terug', + addNode: 'Node toevoegen', + addEdge: 'Link toevoegen', + editNode: 'Node wijzigen', + editEdge: 'Link wijzigen', + addDescription: 'Klik op een leeg gebied om een nieuwe node te maken.', + edgeDescription: 'Klik op een node en sleep de link naar een andere node om ze te verbinden.', + editEdgeDescription: 'Klik op de verbindingspunten en sleep ze naar een node om daarmee te verbinden.', + createEdgeError: 'Kan geen link maken naar een cluster.', + deleteClusterError: 'Clusters kunnen niet worden verwijderd.' }; + exports['nl_NL'] = exports['nl']; + exports['nl_BE'] = exports['nl']; + +/***/ }, +/* 68 */ +/***/ function(module, exports, __webpack_require__) { /** - * This function is for debugging purposed, it draws the tree. - * - * @param ctx - * @param color - * @private + * Canvas shapes used by Network */ - exports._drawTree = function(ctx,color) { - if (this.barnesHutTree !== undefined) { + if (typeof CanvasRenderingContext2D !== 'undefined') { - ctx.lineWidth = 1; + /** + * Draw a circle shape + */ + CanvasRenderingContext2D.prototype.circle = function(x, y, r) { + this.beginPath(); + this.arc(x, y, r, 0, 2*Math.PI, false); + }; - this._drawBranch(this.barnesHutTree.root,ctx,color); - } - }; + /** + * Draw a square shape + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r size, width and height of the square + */ + CanvasRenderingContext2D.prototype.square = function(x, y, r) { + this.beginPath(); + this.rect(x - r, y - r, r * 2, r * 2); + }; + /** + * Draw a triangle shape + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r radius, half the length of the sides of the triangle + */ + CanvasRenderingContext2D.prototype.triangle = function(x, y, r) { + // http://en.wikipedia.org/wiki/Equilateral_triangle + this.beginPath(); - /** - * This function is for debugging purposes. It draws the branches recursively. - * - * @param branch - * @param ctx - * @param color - * @private - */ - exports._drawBranch = function(branch,ctx,color) { - if (color === undefined) { - color = "#FF0000"; - } + var s = r * 2; + var s2 = s / 2; + var ir = Math.sqrt(3) / 6 * s; // radius of inner circle + var h = Math.sqrt(s * s - s2 * s2); // height - if (branch.childrenCount == 4) { - this._drawBranch(branch.children.NW,ctx); - this._drawBranch(branch.children.NE,ctx); - this._drawBranch(branch.children.SE,ctx); - this._drawBranch(branch.children.SW,ctx); - } - ctx.strokeStyle = color; - ctx.beginPath(); - ctx.moveTo(branch.range.minX,branch.range.minY); - ctx.lineTo(branch.range.maxX,branch.range.minY); - ctx.stroke(); + this.moveTo(x, y - (h - ir)); + this.lineTo(x + s2, y + ir); + this.lineTo(x - s2, y + ir); + this.lineTo(x, y - (h - ir)); + this.closePath(); + }; - ctx.beginPath(); - ctx.moveTo(branch.range.maxX,branch.range.minY); - ctx.lineTo(branch.range.maxX,branch.range.maxY); - ctx.stroke(); + /** + * Draw a triangle shape in downward orientation + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r radius + */ + CanvasRenderingContext2D.prototype.triangleDown = function(x, y, r) { + // http://en.wikipedia.org/wiki/Equilateral_triangle + this.beginPath(); - ctx.beginPath(); - ctx.moveTo(branch.range.maxX,branch.range.maxY); - ctx.lineTo(branch.range.minX,branch.range.maxY); - ctx.stroke(); + var s = r * 2; + var s2 = s / 2; + var ir = Math.sqrt(3) / 6 * s; // radius of inner circle + var h = Math.sqrt(s * s - s2 * s2); // height - ctx.beginPath(); - ctx.moveTo(branch.range.minX,branch.range.maxY); - ctx.lineTo(branch.range.minX,branch.range.minY); - ctx.stroke(); + this.moveTo(x, y + (h - ir)); + this.lineTo(x + s2, y - ir); + this.lineTo(x - s2, y - ir); + this.lineTo(x, y + (h - ir)); + this.closePath(); + }; - /* - if (branch.mass > 0) { - ctx.circle(branch.centerOfMass.x, branch.centerOfMass.y, 3*branch.mass); - ctx.stroke(); - } + /** + * Draw a star shape, a star with 5 points + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r radius, half the length of the sides of the triangle */ - }; + CanvasRenderingContext2D.prototype.star = function(x, y, r) { + // http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/ + this.beginPath(); + for (var n = 0; n < 10; n++) { + var radius = (n % 2 === 0) ? r * 1.3 : r * 0.5; + this.lineTo( + x + radius * Math.sin(n * 2 * Math.PI / 10), + y - radius * Math.cos(n * 2 * Math.PI / 10) + ); + } -/***/ }, -/* 68 */ -/***/ function(module, exports, __webpack_require__) { + this.closePath(); + }; - module.exports = function(module) { - if(!module.webpackPolyfill) { - module.deprecate = function() {}; - module.paths = []; - // module.parent = undefined by default - module.children = []; - module.webpackPolyfill = 1; - } - return module; + /** + * http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas + */ + CanvasRenderingContext2D.prototype.roundRect = function(x, y, w, h, r) { + var r2d = Math.PI/180; + if( w - ( 2 * r ) < 0 ) { r = ( w / 2 ); } //ensure that the radius isn't too large for x + if( h - ( 2 * r ) < 0 ) { r = ( h / 2 ); } //ensure that the radius isn't too large for y + this.beginPath(); + this.moveTo(x+r,y); + this.lineTo(x+w-r,y); + this.arc(x+w-r,y+r,r,r2d*270,r2d*360,false); + this.lineTo(x+w,y+h-r); + this.arc(x+w-r,y+h-r,r,0,r2d*90,false); + this.lineTo(x+r,y+h); + this.arc(x+r,y+h-r,r,r2d*90,r2d*180,false); + this.lineTo(x,y+r); + this.arc(x+r,y+r,r,r2d*180,r2d*270,false); + }; + + /** + * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas + */ + CanvasRenderingContext2D.prototype.ellipse = function(x, y, w, h) { + var kappa = .5522848, + ox = (w / 2) * kappa, // control point offset horizontal + oy = (h / 2) * kappa, // control point offset vertical + xe = x + w, // x-end + ye = y + h, // y-end + xm = x + w / 2, // x-middle + ym = y + h / 2; // y-middle + + this.beginPath(); + this.moveTo(x, ym); + this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); + this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); + this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); + this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); + }; + + + + /** + * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas + */ + CanvasRenderingContext2D.prototype.database = function(x, y, w, h) { + var f = 1/3; + var wEllipse = w; + var hEllipse = h * f; + + var kappa = .5522848, + ox = (wEllipse / 2) * kappa, // control point offset horizontal + oy = (hEllipse / 2) * kappa, // control point offset vertical + xe = x + wEllipse, // x-end + ye = y + hEllipse, // y-end + xm = x + wEllipse / 2, // x-middle + ym = y + hEllipse / 2, // y-middle + ymb = y + (h - hEllipse/2), // y-midlle, bottom ellipse + yeb = y + h; // y-end, bottom ellipse + + this.beginPath(); + this.moveTo(xe, ym); + + this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); + this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); + + this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); + this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); + + this.lineTo(xe, ymb); + + this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb); + this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb); + + this.lineTo(x, ym); + }; + + + /** + * Draw an arrow point (no line) + */ + CanvasRenderingContext2D.prototype.arrow = function(x, y, angle, length) { + // tail + var xt = x - length * Math.cos(angle); + var yt = y - length * Math.sin(angle); + + // inner tail + // TODO: allow to customize different shapes + var xi = x - length * 0.9 * Math.cos(angle); + var yi = y - length * 0.9 * Math.sin(angle); + + // left + var xl = xt + length / 3 * Math.cos(angle + 0.5 * Math.PI); + var yl = yt + length / 3 * Math.sin(angle + 0.5 * Math.PI); + + // right + var xr = xt + length / 3 * Math.cos(angle - 0.5 * Math.PI); + var yr = yt + length / 3 * Math.sin(angle - 0.5 * Math.PI); + + this.beginPath(); + this.moveTo(x, y); + this.lineTo(xl, yl); + this.lineTo(xi, yi); + this.lineTo(xr, yr); + this.closePath(); + }; + + /** + * Sets up the dashedLine functionality for drawing + * Original code came from http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas + * @author David Jordan + * @date 2012-08-08 + */ + CanvasRenderingContext2D.prototype.dashedLine = function(x,y,x2,y2,dashArray){ + if (!dashArray) dashArray=[10,5]; + if (dashLength==0) dashLength = 0.001; // Hack for Safari + var dashCount = dashArray.length; + this.moveTo(x, y); + var dx = (x2-x), dy = (y2-y); + var slope = dy/dx; + var distRemaining = Math.sqrt( dx*dx + dy*dy ); + var dashIndex=0, draw=true; + while (distRemaining>=0.1){ + var dashLength = dashArray[dashIndex++%dashCount]; + if (dashLength > distRemaining) dashLength = distRemaining; + var xStep = Math.sqrt( dashLength*dashLength / (1 + slope*slope) ); + if (dx<0) xStep = -xStep; + x += xStep; + y += slope*xStep; + this[draw ? 'lineTo' : 'moveTo'](x,y); + distRemaining -= dashLength; + draw = !draw; + } + }; + + // TODO: add diamond shape } diff --git a/lib/network/Network.js b/lib/network/Network.js index 9542ab7e..cdb66862 100644 --- a/lib/network/Network.js +++ b/lib/network/Network.js @@ -746,11 +746,16 @@ Network.prototype._create = function () { 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('release', me._onRelease.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);