diff --git a/HISTORY.md b/HISTORY.md index 7fb944bd..94b2007f 100644 --- a/HISTORY.md +++ b/HISTORY.md @@ -1,8 +1,31 @@ -vis.js history +# vis.js history http://visjs.org -## 2014-04-16, version 0.7.4 +## not yet released, version 0.8.0 + +### Timeline + +- Large refactoring of the Timeline, simplifying the code. +- Performance improvements. +- Improved layout of box-items inside groups. +- Function `setWindow` now accepts an object with properties `start` and `end`. +- Fixed option `autoResize` forcing a repaint of the Timeline with every check + rather than when the Timeline is actually resized. +- Fixed `select` event fired repeatedly when clicking an empty place on the + Timeline, deselecting selected items). +- Fixed initial visible window in case items exceed `zoomMax`. Thanks @Remper. +- Option `order` is now deprecated. This was needed for performance improvements. +- Minor bug fixes. +- More examples added. + +### DataSet + +- A DataSet can now be constructed with initial data, like + `new DataSet(data, options)`. + + +## 2014-04-18, version 0.7.4 ### Graph @@ -11,7 +34,6 @@ http://visjs.org - minor bug fixes. - ## 2014-04-16, version 0.7.3 ### Graph @@ -142,7 +164,7 @@ http://visjs.org - Moved the generated library to folder `./dist` - Css stylesheet must be loaded explicitly now. -- Implemented options `showCurrentTime` and `showCustomTime`. Thanks fi0dor. +- Implemented options `showCurrentTime` and `showCustomTime`. Thanks @fi0dor. - Implemented touch support for Timeline. - Fixed broken Timeline options `min` and `max`. - Fixed not being able to load vis.js in node.js. diff --git a/Jakefile.js b/Jakefile.js index 671fb6e1..c85d1b40 100644 --- a/Jakefile.js +++ b/Jakefile.js @@ -67,7 +67,6 @@ task('build', {async: true}, function () { './src/timeline/TimeStep.js', './src/timeline/Stack.js', './src/timeline/Range.js', - './src/timeline/Controller.js', './src/timeline/component/Component.js', './src/timeline/component/Panel.js', './src/timeline/component/RootPanel.js', diff --git a/bower.json b/bower.json index e8b547b2..45abe51a 100644 --- a/bower.json +++ b/bower.json @@ -1,6 +1,6 @@ { "name": "vis", - "version": "0.7.4-SNAPSHOT", + "version": "0.7.5-SNAPSHOT", "description": "A dynamic, browser-based visualization library.", "homepage": "http://visjs.org/", "repository": { diff --git a/dist/vis.css b/dist/vis.css index a841904e..46d6b19c 100644 --- a/dist/vis.css +++ b/dist/vis.css @@ -9,79 +9,86 @@ border: 1px solid #bfbfbf; -moz-box-sizing: border-box; box-sizing: border-box; + + /* FIXME: there is an issue with the height of the items when panel height is animated + -webkit-transition: height 4s ease-in-out; + transition: height 4s ease-in-out; + /**/ } .vis.timeline .vpanel { position: absolute; overflow: hidden; -} - -.vis.timeline .groupset { - position: absolute; - padding: 0; - margin: 0; + -moz-box-sizing: border-box; + box-sizing: border-box; } -.vis.timeline .labels { - position: absolute; - top: 0; - left: 0; - width: 100%; - height: 100%; +.vis.timeline .vpanel.side { + border-right: 1px solid #bfbfbf; +} - padding: 0; - margin: 0; +.vis.timeline .vpanel.side.hidden { + display: none; +} - border-right: 1px solid #bfbfbf; - -moz-box-sizing: border-box; - box-sizing: border-box; +.vis.timeline .groupset { + position: relative; } -.vis.timeline .labels .label-set { - position: absolute; - top: 0; - left: 0; +.vis.timeline .labelset { + position: relative; width: 100%; - height: 100%; overflow: hidden; - border-top: none; - border-bottom: 1px solid #bfbfbf; + -moz-box-sizing: border-box; + box-sizing: border-box; } -.vis.timeline .labels .label-set .vlabel { - position: absolute; +.vis.timeline .labelset .vlabel { + position: relative; left: 0; top: 0; width: 100%; color: #4d4d4d; + + -moz-box-sizing: border-box; + box-sizing: border-box; } -.vis.timeline.top .labels .label-set .vlabel, -.vis.timeline.top .groupset .itemset-axis { +.vis.timeline.bottom .labelset .vlabel, +.vis.timeline.top .vpanel.side-content, +.vis.timeline.top .groupset .itemset { border-top: 1px solid #bfbfbf; border-bottom: none; } -.vis.timeline.bottom .labels .label-set .vlabel, -.vis.timeline.bottom .groupset .itemset-axis { +.vis.timeline.top .labelset .vlabel, +.vis.timeline.bottom .vpanel.side-content, +.vis.timeline.bottom .groupset .itemset { border-top: none; border-bottom: 1px solid #bfbfbf; } -.vis.timeline .labels .label-set .vlabel .inner { +.vis.timeline .labelset .vlabel .inner { display: inline-block; padding: 5px; } .vis.timeline .itemset { - position: absolute; + position: relative; padding: 0; margin: 0; - overflow: hidden; + + -moz-box-sizing: border-box; + box-sizing: border-box; + + /* FIXME: get transition working for rootpanel and itemset + -webkit-transition: height 4s ease-in-out; + transition: height 4s ease-in-out; + /**/ } .vis.timeline .background { @@ -90,8 +97,8 @@ .vis.timeline .foreground { } -.vis.timeline .itemset-axis { - position: absolute; +.vis.timeline .axis { + overflow: visible; } @@ -102,6 +109,11 @@ background-color: #D5DDF6; display: inline-block; padding: 5px; + + /* TODO: enable css transitions + -webkit-transition: top .4s ease-in-out, bottom .4s ease-in-out; + transition: top .4s ease-in-out, bottom .4s ease-in-out; + /**/ } .vis.timeline .item.selected { @@ -118,7 +130,8 @@ background-color: #FFF785; z-index: 999; } -.vis.timeline .item.point.selected .dot { +.vis.timeline .item.point.selected .dot, +.vis.timeline .item.dot.selected { border-color: #FFC200; } @@ -179,6 +192,11 @@ width: 0; border-left-width: 1px; border-left-style: solid; + + /* TODO: enable css transitions + -webkit-transition: height .4s ease-in-out, top .4s ease-in-out; + transition: height .4s ease-in-out, top .4s ease-in-out; + /**/ } .vis.timeline .item .content { @@ -220,18 +238,18 @@ z-index: 10001; /* a little higher z-index than .drag-left */ } -.vis.timeline .axis { - position: relative; +.vis.timeline .timeaxis { + position: absolute; } -.vis.timeline .axis .text { +.vis.timeline .timeaxis .text { position: absolute; color: #4d4d4d; padding: 3px; white-space: nowrap; } -.vis.timeline .axis .text.measure { +.vis.timeline .timeaxis .text.measure { position: absolute; padding-left: 0; padding-right: 0; @@ -240,13 +258,13 @@ visibility: hidden; } -.vis.timeline .axis .grid.vertical { +.vis.timeline .timeaxis .grid.vertical { position: absolute; width: 0; border-right: 1px solid; } -.vis.timeline .axis .grid.horizontal { +.vis.timeline .timeaxis .grid.horizontal { position: absolute; left: 0; width: 100%; @@ -254,11 +272,11 @@ border-bottom: 1px solid; } -.vis.timeline .axis .grid.minor { +.vis.timeline .timeaxis .grid.minor { border-color: #e5e5e5; } -.vis.timeline .axis .grid.major { +.vis.timeline .timeaxis .grid.major { border-color: #bfbfbf; } diff --git a/dist/vis.js b/dist/vis.js index 253cd560..dc4cf3bf 100644 --- a/dist/vis.js +++ b/dist/vis.js @@ -4,8 +4,13 @@ * * A dynamic, browser-based visualization library. * +<<<<<<< HEAD * @version 0.7.4-SNAPSHOT * @date 2014-04-23 +======= + * @version 0.7.5-SNAPSHOT + * @date 2014-04-22 +>>>>>>> fc75aed4cec56adbced08aa1804e23797703776f * * @license * Copyright (C) 2011-2014 Almende B.V, http://almende.com @@ -407,6 +412,23 @@ util.extend = function (a, b) { return a; }; +/** + * Test whether all elements in two arrays are equal. + * @param {Array} a + * @param {Array} b + * @return {boolean} Returns true if both arrays have the same length and same + * elements. + */ +util.equalArray = function (a, b) { + if (a.length != b.length) return false; + + for (var i = 1, len = a.length; i < len; i++) { + if (a[i] != b[i]) return false; + } + + return true; +}; + /** * Convert an object to another type * @param {Boolean | Number | String | Date | Moment | Null | undefined} object @@ -750,6 +772,22 @@ util.forEach = function forEach (object, callback) { } }; +/** + * Convert an object into an array: all objects properties are put into the + * array. The resulting array is unordered. + * @param {Object} object + * @param {Array} array + */ +util.toArray = function toArray(object) { + var array = []; + + for (var prop in object) { + if (object.hasOwnProperty(prop)) array.push(object[prop]); + } + + return array; +} + /** * Update a property in an object * @param {Object} object @@ -757,7 +795,7 @@ util.forEach = function forEach (object, callback) { * @param {*} value * @return {Boolean} changed */ -util.updateProperty = function updateProp (object, key, value) { +util.updateProperty = function updateProperty (object, key, value) { if (object[key] !== value) { object[key] = value; return true; @@ -965,6 +1003,8 @@ util.option.asElement = function (value, defaultValue) { util.GiveDec = function GiveDec(Hex) { + var Value; + if (Hex == "A") Value = 10; else if (Hex == "B") @@ -978,12 +1018,15 @@ util.GiveDec = function GiveDec(Hex) { else if (Hex == "F") Value = 15; else - Value = eval(Hex) + Value = eval(Hex); + return Value; }; util.GiveHex = function GiveHex(Dec) { - if (Dec == 10) + var Value; + + if(Dec == 10) Value = "A"; else if (Dec == 11) Value = "B"; @@ -997,6 +1040,7 @@ util.GiveHex = function GiveHex(Dec) { Value = "F"; else Value = "" + Dec; + return Value; }; @@ -2864,21 +2908,19 @@ TimeStep.prototype.getLabelMajor = function(date) { } }; +// TODO: turn Stack into a Mixin? + /** * @constructor Stack * Stacks items on top of each other. - * @param {ItemSet} itemset * @param {Object} [options] */ -function Stack (itemset, options) { - this.itemset = itemset; - +function Stack (options) { this.options = options || {}; this.defaultOptions = { order: function (a, b) { - //return (b.width - a.width) || (a.left - b.left); // TODO: cleanup - // Order: ranges over non-ranges, ranged ordered by width, and - // lastly ordered by start. + // Order: ranges over non-ranges, ranged ordered by width, + // and non-ranges ordered by start. if (a instanceof ItemRange) { if (b instanceof ItemRange) { var aInt = (a.data.end - a.data.start); @@ -2899,141 +2941,122 @@ function Stack (itemset, options) { } }, margin: { - item: 10 + item: 10, + axis: 20 } }; - - this.ordered = []; // ordered items } /** * Set options for the stack * @param {Object} options Available options: - * {ItemSet} itemset - * {Number} margin - * {function} order Stacking order + * {Number} [margin.item=10] + * {Number} [margin.axis=20] + * {function} [order] Stacking order */ Stack.prototype.setOptions = function setOptions (options) { util.extend(this.options, options); - - // TODO: register on data changes at the connected itemset, and update the changed part only and immediately }; /** - * Stack the items such that they don't overlap. The items will have a minimal - * distance equal to options.margin.item. + * Order an array with items using a predefined order function for items + * @param {Item[]} items */ -Stack.prototype.update = function update() { - this._order(); - this._stack(); +Stack.prototype.order = function order(items) { + //order the items + var order = this.options.order || this.defaultOptions.order; + if (!(typeof order === 'function')) { + throw new Error('Option order must be a function'); + } + items.sort(order); }; /** - * Order the items. If a custom order function has been provided via the options, - * then this will be used. - * @private + * Order items by their start data + * @param {Item[]} items */ -Stack.prototype._order = function _order () { - var items = this.itemset.items; - if (!items) { - throw new Error('Cannot stack items: ItemSet does not contain items'); - } - - // TODO: store the sorted items, to have less work later on - var ordered = []; - var index = 0; - // items is a map (no array) - util.forEach(items, function (item) { - if (item.visible) { - ordered[index] = item; - index++; - } +Stack.prototype.orderByStart = function orderByStart(items) { + items.sort(function (a, b) { + return a.data.start - b.data.start; }); +}; - //if a customer stack order function exists, use it. - var order = this.options.order || this.defaultOptions.order; - if (!(typeof order === 'function')) { - throw new Error('Option order must be a function'); - } - - ordered.sort(order); +/** + * Order items by their end date. If they have no end date, their start date + * is used. + * @param {Item[]} items + */ +Stack.prototype.orderByEnd = function orderByEnd(items) { + items.sort(function (a, b) { + var aTime = ('end' in a.data) ? a.data.end : a.data.start, + bTime = ('end' in b.data) ? b.data.end : b.data.start; - this.ordered = ordered; + return aTime - bTime; + }); }; /** * Adjust vertical positions of the events such that they don't overlap each * other. + * @param {Item[]} items All visible items + * @param {boolean} [force=false] If true, all items will be re-stacked. + * If false (default), only items having a + * top===null will be re-stacked * @private */ -Stack.prototype._stack = function _stack () { +Stack.prototype.stack = function stack (items, force) { var i, iMax, - ordered = this.ordered, options = this.options, - orientation = options.orientation || this.defaultOptions.orientation, - axisOnTop = (orientation == 'top'), - margin; + marginItem, + marginAxis; if (options.margin && options.margin.item !== undefined) { - margin = options.margin.item; + marginItem = options.margin.item; + } + else { + marginItem = this.defaultOptions.margin.item + } + if (options.margin && options.margin.axis !== undefined) { + marginAxis = options.margin.axis; } else { - margin = this.defaultOptions.margin.item + marginAxis = this.defaultOptions.margin.axis } - // calculate new, non-overlapping positions - for (i = 0, iMax = ordered.length; i < iMax; i++) { - var item = ordered[i]; - var collidingItem = null; - 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 - collidingItem = this.checkOverlap(ordered, i, 0, i - 1, margin); - if (collidingItem != null) { - // There is a collision. Reposition the event above the colliding element - if (axisOnTop) { - item.top = collidingItem.top + collidingItem.height + margin; - } - else { - item.top = collidingItem.top - item.height - margin; - } - } - } while (collidingItem); + if (force) { + // reset top position of all items + for (i = 0, iMax = items.length; i < iMax; i++) { + items[i].top = null; + } } -}; -/** - * Check if the destiny position of given item overlaps with any - * of the other items from index itemStart to itemEnd. - * @param {Array} items Array with items - * @param {int} itemIndex Number of the item to be checked for overlap - * @param {int} itemStart First item to be checked. - * @param {int} itemEnd Last item to be checked. - * @return {Object | null} colliding item, or undefined when no collisions - * @param {Number} margin A minimum required margin. - * If margin is provided, the two items will be - * marked colliding when they overlap or - * when the margin between the two is smaller than - * the requested margin. - */ -Stack.prototype.checkOverlap = function checkOverlap (items, itemIndex, - itemStart, itemEnd, margin) { - var collision = this.collision; + // calculate new, non-overlapping positions + for (i = 0, iMax = items.length; i < iMax; i++) { + var item = items[i]; + if (item.top === null) { + // initialize top position + item.top = marginAxis; + + 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 && this.collision(item, other, marginItem)) { + collidingItem = other; + break; + } + } - // we loop from end to start, as we suppose that the chance of a - // collision is larger for items at the end, so check these first. - var a = items[itemIndex]; - for (var i = itemEnd; i >= itemStart; i--) { - var b = items[i]; - if (collision(a, b, margin)) { - if (i != itemIndex) { - return b; - } + if (collidingItem != null) { + // There is a collision. Reposition the event above the colliding element + item.top = collidingItem.top + collidingItem.height + marginItem; + } + } while (collidingItem); } } - - return null; }; /** @@ -3060,20 +3083,39 @@ Stack.prototype.collision = function collision (a, b, margin) { * 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 {Object} [options] See description at Range.setOptions - * @extends Controller + * @param {RootPanel} root Root panel, used to subscribe to events + * @param {Panel} parent Parent panel, used to attach to the DOM + * @param {Object} [options] See description at Range.setOptions */ -function Range(options) { +function Range(root, parent, options) { this.id = util.randomUUID(); this.start = null; // Number this.end = null; // Number + this.root = root; + this.parent = parent; this.options = options || {}; + // drag listeners for dragging + this.root.on('dragstart', this._onDragStart.bind(this)); + this.root.on('drag', this._onDrag.bind(this)); + this.root.on('dragend', this._onDragEnd.bind(this)); + + // ignore dragging when holding + this.root.on('hold', this._onHold.bind(this)); + + // mouse wheel for zooming + this.root.on('mousewheel', this._onMouseWheel.bind(this)); + this.root.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF + + // pinch to zoom + this.root.on('touch', this._onTouch.bind(this)); + this.root.on('pinch', this._onPinch.bind(this)); + this.setOptions(options); } -// extend the Range prototype with an event emitter mixin +// turn Range into an event emitter Emitter(Range.prototype); /** @@ -3106,59 +3148,6 @@ function validateDirection (direction) { } } -/** - * Add listeners for mouse and touch events to the component - * @param {Controller} controller - * @param {Component} component Should be a rootpanel - * @param {String} event Available events: 'move', 'zoom' - * @param {String} direction Available directions: 'horizontal', 'vertical' - */ -Range.prototype.subscribe = function (controller, component, event, direction) { - var me = this; - - if (event == 'move') { - // drag start listener - controller.on('dragstart', function (event) { - me._onDragStart(event, component); - }); - - // drag listener - controller.on('drag', function (event) { - me._onDrag(event, component, direction); - }); - - // drag end listener - controller.on('dragend', function (event) { - me._onDragEnd(event, component); - }); - - // ignore dragging when holding - controller.on('hold', function (event) { - me._onHold(); - }); - } - else if (event == 'zoom') { - // mouse wheel - function mousewheel (event) { - me._onMouseWheel(event, component, direction); - } - controller.on('mousewheel', mousewheel); - controller.on('DOMMouseScroll', mousewheel); // For FF - - // pinch - controller.on('touch', function (event) { - me._onTouch(event); - }); - controller.on('pinch', function (event) { - me._onPinch(event, component, direction); - }); - } - else { - throw new TypeError('Unknown event "' + event + '". ' + - 'Choose "move" or "zoom".'); - } -}; - /** * Set a new start and end range * @param {Number} [start] @@ -3168,8 +3157,8 @@ Range.prototype.setRange = function(start, end) { var changed = this._applyRange(start, end); if (changed) { var params = { - start: this.start, - end: this.end + start: new Date(this.start), + end: new Date(this.end) }; this.emit('rangechange', params); this.emit('rangechanged', params); @@ -3337,10 +3326,9 @@ var touchParams = {}; /** * Start dragging horizontally or vertically * @param {Event} event - * @param {Object} component * @private */ -Range.prototype._onDragStart = function(event, component) { +Range.prototype._onDragStart = 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 (touchParams.ignore) return; @@ -3350,7 +3338,7 @@ Range.prototype._onDragStart = function(event, component) { touchParams.start = this.start; touchParams.end = this.end; - var frame = component.frame; + var frame = this.parent.frame; if (frame) { frame.style.cursor = 'move'; } @@ -3359,11 +3347,10 @@ Range.prototype._onDragStart = function(event, component) { /** * Perform dragging operating. * @param {Event} event - * @param {Component} component - * @param {String} direction 'horizontal' or 'vertical' * @private */ -Range.prototype._onDrag = function (event, component, direction) { +Range.prototype._onDrag = function (event) { + var direction = this.options.direction; validateDirection(direction); // TODO: reckon with option movable @@ -3375,38 +3362,37 @@ Range.prototype._onDrag = function (event, component, direction) { var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY, interval = (touchParams.end - touchParams.start), - width = (direction == 'horizontal') ? component.width : component.height, + width = (direction == 'horizontal') ? this.parent.width : this.parent.height, diffRange = -delta / width * interval; this._applyRange(touchParams.start + diffRange, touchParams.end + diffRange); this.emit('rangechange', { - start: this.start, - end: this.end + start: new Date(this.start), + end: new Date(this.end) }); }; /** * Stop dragging operating. * @param {event} event - * @param {Component} component * @private */ -Range.prototype._onDragEnd = function (event, component) { +Range.prototype._onDragEnd = 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 (touchParams.ignore) return; // TODO: reckon with option movable - if (component.frame) { - component.frame.style.cursor = 'auto'; + if (this.parent.frame) { + this.parent.frame.style.cursor = 'auto'; } // fire a rangechanged event this.emit('rangechanged', { - start: this.start, - end: this.end + start: new Date(this.start), + end: new Date(this.end) }); }; @@ -3414,13 +3400,9 @@ Range.prototype._onDragEnd = function (event, component) { * Event handler for mouse wheel event, used to zoom * Code from http://adomas.org/javascript-mouse-wheel/ * @param {Event} event - * @param {Component} component - * @param {String} direction 'horizontal' or 'vertical' * @private */ -Range.prototype._onMouseWheel = function(event, component, direction) { - validateDirection(direction); - +Range.prototype._onMouseWheel = function(event) { // TODO: reckon with option zoomable // retrieve delta @@ -3451,8 +3433,8 @@ Range.prototype._onMouseWheel = function(event, component, direction) { // calculate center, the date to zoom around var gesture = util.fakeGesture(this, event), - pointer = getPointer(gesture.center, component.frame), - pointerDate = this._pointerToDate(component, direction, pointer); + pointer = getPointer(gesture.center, this.parent.frame), + pointerDate = this._pointerToDate(pointer); this.zoom(scale, pointerDate); } @@ -3491,24 +3473,23 @@ Range.prototype._onHold = function () { /** * Handle pinch event * @param {Event} event - * @param {Component} component - * @param {String} direction 'horizontal' or 'vertical' * @private */ -Range.prototype._onPinch = function (event, component, direction) { +Range.prototype._onPinch = function (event) { + var direction = this.options.direction; touchParams.ignore = true; // TODO: reckon with option zoomable if (event.gesture.touches.length > 1) { if (!touchParams.center) { - touchParams.center = getPointer(event.gesture.center, component.frame); + touchParams.center = getPointer(event.gesture.center, this.parent.frame); } var scale = 1 / event.gesture.scale, - initDate = this._pointerToDate(component, direction, touchParams.center), - center = getPointer(event.gesture.center, component.frame), - date = this._pointerToDate(component, direction, center), + initDate = this._pointerToDate(touchParams.center), + center = getPointer(event.gesture.center, this.parent.frame), + date = this._pointerToDate(this.parent, center), delta = date - initDate; // TODO: utilize delta // calculate new start and end @@ -3522,21 +3503,23 @@ Range.prototype._onPinch = function (event, component, direction) { /** * Helper function to calculate the center date for zooming - * @param {Component} component * @param {{x: Number, y: Number}} pointer - * @param {String} direction 'horizontal' or 'vertical' * @return {number} date * @private */ -Range.prototype._pointerToDate = function (component, direction, pointer) { +Range.prototype._pointerToDate = function (pointer) { var conversion; + var direction = this.options.direction; + + validateDirection(direction); + if (direction == 'horizontal') { - var width = component.width; + var width = this.parent.width; conversion = this.conversion(width); return pointer.x / conversion.scale + conversion.offset; } else { - var height = component.height; + var height = this.parent.height; conversion = this.conversion(height); return pointer.y / conversion.scale + conversion.offset; } @@ -3615,207 +3598,24 @@ Range.prototype.moveTo = function(moveTo) { this.setRange(newStart, newEnd); }; -/** - * @constructor Controller - * - * A Controller controls the reflows and repaints of all components, - * and is used as an event bus for all components. - */ -function Controller () { - var me = this; - - this.id = util.randomUUID(); - this.components = {}; - - /** - * Listen for a 'request-reflow' event. The controller will schedule a reflow - * @param {Boolean} [force] If true, an immediate reflow is forced. Default - * is false. - */ - var reflowTimer = null; - this.on('request-reflow', function requestReflow(force) { - if (force) { - me.reflow(); - } - else { - if (!reflowTimer) { - reflowTimer = setTimeout(function () { - reflowTimer = null; - me.reflow(); - }, 0); - } - } - }); - - /** - * Request a repaint. The controller will schedule a repaint - * @param {Boolean} [force] If true, an immediate repaint is forced. Default - * is false. - */ - var repaintTimer = null; - this.on('request-repaint', function requestRepaint(force) { - if (force) { - me.repaint(); - } - else { - if (!repaintTimer) { - repaintTimer = setTimeout(function () { - repaintTimer = null; - me.repaint(); - }, 0); - } - } - }); -} - -// Extend controller with Emitter mixin -Emitter(Controller.prototype); - -/** - * Add a component to the controller - * @param {Component} component - */ -Controller.prototype.add = function add(component) { - // validate the component - if (component.id == undefined) { - throw new Error('Component has no field id'); - } - if (!(component instanceof Component) && !(component instanceof Controller)) { - throw new TypeError('Component must be an instance of ' + - 'prototype Component or Controller'); - } - - // add the component - component.setController(this); - this.components[component.id] = component; -}; - -/** - * Remove a component from the controller - * @param {Component | String} component - */ -Controller.prototype.remove = function remove(component) { - var id; - for (id in this.components) { - if (this.components.hasOwnProperty(id)) { - if (id == component || this.components[id] === component) { - break; - } - } - } - - if (id) { - // unregister the controller (gives the component the ability to unregister - // event listeners and clean up other stuff) - this.components[id].setController(null); - - delete this.components[id]; - } -}; - -/** - * Repaint all components - */ -Controller.prototype.repaint = function repaint() { - var changed = false; - - // cancel any running repaint request - if (this.repaintTimer) { - clearTimeout(this.repaintTimer); - this.repaintTimer = undefined; - } - - var done = {}; - - function repaint(component, id) { - if (!(id in done)) { - // first repaint the components on which this component is dependent - if (component.depends) { - component.depends.forEach(function (dep) { - repaint(dep, dep.id); - }); - } - if (component.parent) { - repaint(component.parent, component.parent.id); - } - - // repaint the component itself and mark as done - changed = component.repaint() || changed; - done[id] = true; - } - } - - util.forEach(this.components, repaint); - - this.emit('repaint'); - - // immediately reflow when needed - if (changed) { - this.reflow(); - } - // TODO: limit the number of nested reflows/repaints, prevent loop -}; - -/** - * Reflow all components - */ -Controller.prototype.reflow = function reflow() { - var resized = false; - - // cancel any running repaint request - if (this.reflowTimer) { - clearTimeout(this.reflowTimer); - this.reflowTimer = undefined; - } - - var done = {}; - - function reflow(component, id) { - if (!(id in done)) { - // first reflow the components on which this component is dependent - if (component.depends) { - component.depends.forEach(function (dep) { - reflow(dep, dep.id); - }); - } - if (component.parent) { - reflow(component.parent, component.parent.id); - } - - // reflow the component itself and mark as done - resized = component.reflow() || resized; - done[id] = true; - } - } - - util.forEach(this.components, reflow); - - this.emit('reflow'); - - // immediately repaint when needed - if (resized) { - this.repaint(); - } - // TODO: limit the number of nested reflows/repaints, prevent loop -}; - /** * Prototype for visual components */ function Component () { this.id = null; this.parent = null; - this.depends = null; - this.controller = null; + this.childs = null; this.options = null; - this.frame = null; // main DOM element this.top = 0; this.left = 0; this.width = 0; this.height = 0; } +// Turn the Component into an event emitter +Emitter(Component.prototype); + /** * Set parameters for the frame. Parameters will be merged in current parameter * set. @@ -3830,10 +3630,7 @@ Component.prototype.setOptions = function setOptions(options) { if (options) { util.extend(this.options, options); - if (this.controller) { - this.requestRepaint(); - this.requestReflow(); - } + this.repaint(); } }; @@ -3855,46 +3652,18 @@ Component.prototype.getOption = function getOption(name) { return value; }; -/** - * Set controller for this component, or remove current controller by passing - * null as parameter value. - * @param {Controller | null} controller - */ -Component.prototype.setController = function setController (controller) { - this.controller = controller || null; -}; - -/** - * Get controller of this component - * @return {Controller} controller - */ -Component.prototype.getController = function getController () { - return this.controller; -}; - -/** - * Get the container element of the component, which can be used by a child to - * add its own widgets. Not all components do have a container for childs, in - * that case null is returned. - * @returns {HTMLElement | null} container - */ -// TODO: get rid of the getContainer and getFrame methods, provide these via the options -Component.prototype.getContainer = function getContainer() { - // should be implemented by the component - return null; -}; - /** * Get the frame element of the component, the outer HTML DOM element. * @returns {HTMLElement | null} frame */ Component.prototype.getFrame = function getFrame() { - return this.frame; + // should be implemented by the component + return null; }; /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component is resized */ Component.prototype.repaint = function repaint() { // should be implemented by the component @@ -3902,73 +3671,22 @@ Component.prototype.repaint = function repaint() { }; /** - * Reflow the component - * @return {Boolean} resized - */ -Component.prototype.reflow = function reflow() { - // should be implemented by the component - return false; -}; - -/** - * Hide the component from the DOM - * @return {Boolean} changed - */ -Component.prototype.hide = function hide() { - if (this.frame && this.frame.parentNode) { - this.frame.parentNode.removeChild(this.frame); - return true; - } - else { - return false; - } -}; - -/** - * Show the component in the DOM (when not already visible). - * A repaint will be executed when the component is not visible - * @return {Boolean} changed + * Test whether the component is resized since the last time _isResized() was + * called. + * @return {Boolean} Returns true if the component is resized + * @private */ -Component.prototype.show = function show() { - if (!this.frame || !this.frame.parentNode) { - return this.repaint(); - } - else { - return false; - } -}; +Component.prototype._isResized = function _isResized() { + var resized = (this._previousWidth !== this.width || this._previousHeight !== this.height); -/** - * Request a repaint. The controller will schedule a repaint - */ -Component.prototype.requestRepaint = function requestRepaint() { - if (this.controller) { - this.controller.emit('request-repaint'); - } - else { - throw new Error('Cannot request a repaint: no controller configured'); - // TODO: just do a repaint when no parent is configured? - } -}; + this._previousWidth = this.width; + this._previousHeight = this.height; -/** - * Request a reflow. The controller will schedule a reflow - */ -Component.prototype.requestReflow = function requestReflow() { - if (this.controller) { - this.controller.emit('request-reflow'); - } - else { - throw new Error('Cannot request a reflow: no controller configured'); - // TODO: just do a reflow when no parent is configured? - } + return resized; }; /** * A panel can contain components - * @param {Component} [parent] - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) * @param {Object} [options] Available parameters: * {String | Number | function} [left] * {String | Number | function} [top] @@ -3978,12 +3696,15 @@ Component.prototype.requestReflow = function requestReflow() { * @constructor Panel * @extends Component */ -function Panel(parent, depends, options) { +function Panel(options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; + this.parent = null; + this.childs = []; this.options = options || {}; + + // create frame + this.frame = document.createElement('div'); } Panel.prototype = new Component(); @@ -4000,81 +3721,139 @@ Panel.prototype = new Component(); Panel.prototype.setOptions = Component.prototype.setOptions; /** - * Get the container element of the panel, which can be used by a child to - * add its own widgets. - * @returns {HTMLElement} container + * Get the outer frame of the panel + * @returns {HTMLElement} frame */ -Panel.prototype.getContainer = function () { +Panel.prototype.getFrame = function () { return this.frame; }; /** - * Repaint the component - * @return {Boolean} changed + * Append a child to the panel + * @param {Component} child */ -Panel.prototype.repaint = function () { - var changed = 0, - update = util.updateProperty, - asSize = util.option.asSize, - options = this.options, - frame = this.frame; - if (!frame) { - frame = document.createElement('div'); - frame.className = 'vpanel'; +Panel.prototype.appendChild = function (child) { + this.childs.push(child); + child.parent = this; + + // attach to the DOM + var frame = child.getFrame(); + if (frame) { + if (frame.parentNode) { + frame.parentNode.removeChild(frame); + } + this.frame.appendChild(frame); + } +}; + +/** + * Insert a child to the panel + * @param {Component} child + * @param {Component} beforeChild + */ +Panel.prototype.insertBefore = function (child, beforeChild) { + var index = this.childs.indexOf(beforeChild); + if (index != -1) { + this.childs.splice(index, 0, child); + child.parent = this; + + // attach to the DOM + var frame = child.getFrame(); + if (frame) { + if (frame.parentNode) { + frame.parentNode.removeChild(frame); + } - var className = options.className; - if (className) { - if (typeof className == 'function') { - util.addClassName(frame, String(className())); + var beforeFrame = beforeChild.getFrame(); + if (beforeFrame) { + this.frame.insertBefore(frame, beforeFrame); } else { - util.addClassName(frame, String(className)); + this.frame.appendChild(frame); } } - - this.frame = frame; - changed += 1; } - if (!frame.parentNode) { - if (!this.parent) { - throw new Error('Cannot repaint panel: no parent attached'); - } - var parentContainer = this.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint panel: parent has no container element'); +}; + +/** + * Remove a child from the panel + * @param {Component} child + */ +Panel.prototype.removeChild = function (child) { + var index = this.childs.indexOf(child); + if (index != -1) { + this.childs.splice(index, 1); + child.parent = null; + + // remove from the DOM + var frame = child.getFrame(); + if (frame && frame.parentNode) { + this.frame.removeChild(frame); } - parentContainer.appendChild(frame); - changed += 1; } +}; - changed += update(frame.style, 'top', asSize(options.top, '0px')); - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - changed += update(frame.style, 'height', asSize(options.height, '100%')); - - return (changed > 0); +/** + * Test whether the panel contains given child + * @param {Component} child + */ +Panel.prototype.hasChild = function (child) { + var index = this.childs.indexOf(child); + return (index != -1); }; /** - * Reflow the component - * @return {Boolean} resized + * Repaint the component + * @return {boolean} Returns true if the component was resized since previous repaint */ -Panel.prototype.reflow = function () { - var changed = 0, - update = util.updateProperty, - frame = this.frame; +Panel.prototype.repaint = function () { + var asString = util.option.asString, + options = this.options, + frame = this.getFrame(); - if (frame) { - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - changed += update(this, 'width', frame.offsetWidth); - changed += update(this, 'height', frame.offsetHeight); - } - else { - changed += 1; + // update className + frame.className = 'vpanel' + (options.className ? (' ' + asString(options.className)) : ''); + + // repaint the child components + var childsResized = this._repaintChilds(); + + // update frame size + this._updateSize(); + + return this._isResized() || childsResized; +}; + +/** + * Repaint all childs of the panel + * @return {boolean} Returns true if the component is resized + * @private + */ +Panel.prototype._repaintChilds = function () { + var resized = false; + for (var i = 0, ii = this.childs.length; i < ii; i++) { + resized = this.childs[i].repaint() || resized; } + return resized; +}; + +/** + * Apply the size from options to the panel, and recalculate it's actual size. + * @private + */ +Panel.prototype._updateSize = function () { + // apply size + this.frame.style.top = util.option.asSize(this.options.top); + this.frame.style.bottom = util.option.asSize(this.options.bottom); + this.frame.style.left = util.option.asSize(this.options.left); + this.frame.style.right = util.option.asSize(this.options.right); + this.frame.style.width = util.option.asSize(this.options.width, '100%'); + this.frame.style.height = util.option.asSize(this.options.height, ''); - return (changed > 0); + // get actual size + this.top = this.frame.offsetTop; + this.left = this.frame.offsetLeft; + this.width = this.frame.offsetWidth; + this.height = this.frame.offsetHeight; }; /** @@ -4089,32 +3868,53 @@ function RootPanel(container, options) { this.id = util.randomUUID(); this.container = container; - // create functions to be used as DOM event listeners - var me = this; - this.hammer = null; + this.options = options || {}; + this.defaultOptions = { + autoResize: true + }; + + // create the HTML DOM + this._create(); + + // attach the root panel to the provided container + if (!this.container) throw new Error('Cannot repaint root panel: no container attached'); + this.container.appendChild(this.getFrame()); + + + this._initWatch(); +} + +RootPanel.prototype = new Panel(); + +/** + * Create the HTML DOM for the root panel + */ +RootPanel.prototype._create = function _create() { + // create frame + this.frame = document.createElement('div'); + + // create event listeners for all interesting events, these events will be + // emitted via emitter + this.hammer = Hammer(this.frame, { + prevent_default: true + }); + this.listeners = {}; - // create listeners for all interesting events, these events will be emitted - // via the controller + var me = this; var events = [ 'touch', 'pinch', 'tap', 'doubletap', 'hold', 'dragstart', 'drag', 'dragend', 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is for Firefox ]; - this.listeners = {}; events.forEach(function (event) { - me.listeners[event] = function () { + var listener = function () { var args = [event].concat(Array.prototype.slice.call(arguments, 0)); - me.controller.emit.apply(me.controller, args); + me.emit.apply(me, args); }; + me.hammer.on(event, listener); + me.listeners[event] = listener; }); - - this.options = options || {}; - this.defaultOptions = { - autoResize: true - }; -} - -RootPanel.prototype = new Panel(); +}; /** * Set options. Will extend the current options. @@ -4126,80 +3926,53 @@ RootPanel.prototype = new Panel(); * {String | Number | function} [height] * {Boolean | function} [autoResize] */ -RootPanel.prototype.setOptions = Component.prototype.setOptions; - -/** - * Repaint the component - * @return {Boolean} changed - */ -RootPanel.prototype.repaint = function () { - var changed = 0, - update = util.updateProperty, - asSize = util.option.asSize, - options = this.options, - frame = this.frame; - - if (!frame) { - frame = document.createElement('div'); - - this.frame = frame; - - this._registerListeners(); +RootPanel.prototype.setOptions = function setOptions(options) { + if (options) { + util.extend(this.options, options); - changed += 1; - } - if (!frame.parentNode) { - if (!this.container) { - throw new Error('Cannot repaint root panel: no container attached'); - } - this.container.appendChild(frame); - changed += 1; - } + this.repaint(); - frame.className = 'vis timeline rootpanel ' + options.orientation + - (options.editable ? ' editable' : ''); - var className = options.className; - if (className) { - util.addClassName(frame, util.option.asString(className)); + this._initWatch(); } +}; - changed += update(frame.style, 'top', asSize(options.top, '0px')); - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - changed += update(frame.style, 'height', asSize(options.height, '100%')); - - this._updateWatch(); - - return (changed > 0); +/** + * Get the frame of the root panel + */ +RootPanel.prototype.getFrame = function getFrame() { + return this.frame; }; /** - * Reflow the component - * @return {Boolean} resized + * Repaint the root panel */ -RootPanel.prototype.reflow = function () { - var changed = 0, - update = util.updateProperty, - frame = this.frame; +RootPanel.prototype.repaint = function repaint() { + // update class name + var options = this.options; + var className = 'vis timeline rootpanel ' + options.orientation + (options.editable ? ' editable' : ''); + if (options.className) className += ' ' + util.option.asString(className); + this.frame.className = className; - if (frame) { - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - changed += update(this, 'width', frame.offsetWidth); - changed += update(this, 'height', frame.offsetHeight); - } - else { - changed += 1; - } + // repaint the child components + var childsResized = this._repaintChilds(); + + // update frame size + this.frame.style.maxHeight = util.option.asSize(this.options.maxHeight, ''); + this._updateSize(); - return (changed > 0); + // if the root panel or any of its childs is resized, repaint again, + // as other components may need to be resized accordingly + var resized = this._isResized() || childsResized; + if (resized) { + setTimeout(this.repaint.bind(this), 0); + } }; /** - * Update watching for resize, depending on the current option + * Initialize watching when option autoResize is true * @private */ -RootPanel.prototype._updateWatch = function () { +RootPanel.prototype._initWatch = function _initWatch() { var autoResize = this.getOption('autoResize'); if (autoResize) { this._watch(); @@ -4214,12 +3987,12 @@ RootPanel.prototype._updateWatch = function () { * automatically redraw itself. * @private */ -RootPanel.prototype._watch = function () { +RootPanel.prototype._watch = function _watch() { var me = this; this._unwatch(); - var checkSize = function () { + var checkSize = function checkSize() { var autoResize = me.getOption('autoResize'); if (!autoResize) { // stop watching when the option autoResize is changed to false @@ -4229,9 +4002,12 @@ RootPanel.prototype._watch = function () { if (me.frame) { // check whether the frame is resized - if ((me.frame.clientWidth != me.width) || - (me.frame.clientHeight != me.height)) { - me.requestReflow(); + if ((me.frame.clientWidth != me.lastWidth) || + (me.frame.clientHeight != me.lastHeight)) { + me.lastWidth = me.frame.clientWidth; + me.lastHeight = me.frame.clientHeight; + me.repaint(); + // TODO: emit a resize event instead? } } }; @@ -4246,7 +4022,7 @@ RootPanel.prototype._watch = function () { * Stop watching for a resize of the frame. * @private */ -RootPanel.prototype._unwatch = function () { +RootPanel.prototype._unwatch = function _unwatch() { if (this.watchTimer) { clearInterval(this.watchTimer); this.watchTimer = undefined; @@ -4255,70 +4031,15 @@ RootPanel.prototype._unwatch = function () { // TODO: remove event listener on window.resize }; -/** - * Set controller for this component, or remove current controller by passing - * null as parameter value. - * @param {Controller | null} controller - */ -RootPanel.prototype.setController = function setController (controller) { - this.controller = controller || null; - - if (this.controller) { - this._registerListeners(); - } - else { - this._unregisterListeners(); - } -}; - -/** - * Register event emitters emitted by the rootpanel - * @private - */ -RootPanel.prototype._registerListeners = function () { - if (this.frame && this.controller && !this.hammer) { - this.hammer = Hammer(this.frame, { - prevent_default: true - }); - - for (var event in this.listeners) { - if (this.listeners.hasOwnProperty(event)) { - this.hammer.on(event, this.listeners[event]); - } - } - } -}; - -/** - * Unregister event emitters from the rootpanel - * @private - */ -RootPanel.prototype._unregisterListeners = function () { - if (this.hammer) { - for (var event in this.listeners) { - if (this.listeners.hasOwnProperty(event)) { - this.hammer.off(event, this.listeners[event]); - } - } - - this.hammer = null; - } -}; - /** * A horizontal time axis - * @param {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) * @param {Object} [options] See TimeAxis.setOptions for the available * options. * @constructor TimeAxis * @extends Component */ -function TimeAxis (parent, depends, options) { +function TimeAxis (options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; this.dom = { majorLines: [], @@ -4349,8 +4070,10 @@ function TimeAxis (parent, depends, options) { showMajorLabels: true }; - this.conversion = null; this.range = null; + + // create the HTML DOM + this._create(); } TimeAxis.prototype = new Component(); @@ -4358,6 +4081,13 @@ TimeAxis.prototype = new Component(); // TODO: comment options TimeAxis.prototype.setOptions = Component.prototype.setOptions; +/** + * Create the HTML DOM for the TimeAxis + */ +TimeAxis.prototype._create = function _create() { + this.frame = document.createElement('div'); +}; + /** * Set a range (start and end) * @param {Range | Object} range A Range or an object containing start and end. @@ -4371,126 +4101,70 @@ TimeAxis.prototype.setRange = function (range) { }; /** - * 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 - */ -TimeAxis.prototype.toTime = function(x) { - var conversion = this.conversion; - return new Date(x / conversion.scale + conversion.offset); -}; - -/** - * 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 + * Get the outer frame of the time axis + * @return {HTMLElement} frame */ -TimeAxis.prototype.toScreen = function(time) { - var conversion = this.conversion; - return (time.valueOf() - conversion.offset) * conversion.scale; +TimeAxis.prototype.getFrame = function getFrame() { + return this.frame; }; /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component is resized */ TimeAxis.prototype.repaint = function () { - var changed = 0, - update = util.updateProperty, - asSize = util.option.asSize, + var asSize = util.option.asSize, options = this.options, - orientation = this.getOption('orientation'), props = this.props, - step = this.step; - - var frame = this.frame; - if (!frame) { - frame = document.createElement('div'); - this.frame = frame; - changed += 1; - } - frame.className = 'axis'; - // TODO: custom className? - - if (!frame.parentNode) { - if (!this.parent) { - throw new Error('Cannot repaint time axis: no parent attached'); - } - var parentContainer = this.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint time axis: parent has no container element'); - } - parentContainer.appendChild(frame); + frame = this.frame; - changed += 1; - } + // update classname + frame.className = 'timeaxis'; // TODO: add className from options if defined var parent = frame.parentNode; if (parent) { - var beforeChild = frame.nextSibling; - parent.removeChild(frame); // take frame offline while updating (is almost twice as fast) - - var defaultTop = (orientation == 'bottom' && this.props.parentHeight && this.height) ? - (this.props.parentHeight - this.height) + 'px' : - '0px'; - changed += update(frame.style, 'top', asSize(options.top, defaultTop)); - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - changed += update(frame.style, 'height', asSize(options.height, this.height + 'px')); + // calculate character width and height + this._calculateCharSize(); - // get characters width and height - this._repaintMeasureChars(); - - if (this.step) { - this._repaintStart(); - - step.first(); - var xFirstMajorLabel = undefined; - var max = 0; - while (step.hasNext() && max < 1000) { - max++; - var cur = step.getCurrent(), - x = this.toScreen(cur), - isMajor = step.isMajor(); - - // TODO: lines must have a width, such that we can create css backgrounds - - if (this.getOption('showMinorLabels')) { - this._repaintMinorText(x, step.getLabelMinor()); - } - - if (isMajor && this.getOption('showMajorLabels')) { - if (x > 0) { - if (xFirstMajorLabel == undefined) { - xFirstMajorLabel = x; - } - this._repaintMajorText(x, step.getLabelMajor()); - } - this._repaintMajorLine(x); - } - else { - this._repaintMinorLine(x); - } + // TODO: recalculate sizes only needed when parent is resized or options is changed + var orientation = this.getOption('orientation'), + showMinorLabels = this.getOption('showMinorLabels'), + showMajorLabels = this.getOption('showMajorLabels'); - step.next(); - } + // determine the width and height of the elemens for the axis + var parentHeight = this.parent.height; + props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; + props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; + this.height = props.minorLabelHeight + props.majorLabelHeight; + this.width = frame.offsetWidth; // TODO: only update the width when the frame is resized? - // create a major label on the left when needed - if (this.getOption('showMajorLabels')) { - var leftTime = this.toTime(0), - leftText = step.getLabelMajor(leftTime), - widthText = leftText.length * (props.majorCharWidth || 10) + 10; // upper bound estimation + props.minorLineHeight = parentHeight + props.minorLabelHeight; + props.minorLineWidth = 1; // TODO: really calculate width + props.majorLineHeight = parentHeight + this.height; + props.majorLineWidth = 1; // TODO: really calculate width - if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { - this._repaintMajorText(0, leftText); - } - } + // take frame offline while updating (is almost twice as fast) + var beforeChild = frame.nextSibling; + parent.removeChild(frame); - this._repaintEnd(); + // TODO: top/bottom positioning should be determined by options set in the Timeline, not here + if (orientation == 'top') { + frame.style.top = '0'; + frame.style.left = '0'; + frame.style.bottom = ''; + frame.style.width = asSize(options.width, '100%'); + frame.style.height = this.height + 'px'; + } + else { // bottom + frame.style.top = ''; + frame.style.bottom = '0'; + frame.style.left = '0'; + frame.style.width = asSize(options.width, '100%'); + frame.style.height = this.height + 'px'; } + this._repaintLabels(); + this._repaintLine(); // put frame online again @@ -4502,34 +4176,80 @@ TimeAxis.prototype.repaint = function () { } } - return (changed > 0); + return this._isResized(); }; /** - * Start a repaint. Move all DOM elements to a redundant list, where they - * can be picked for re-use, or can be cleaned up in the end + * Repaint major and minor text labels and vertical grid lines * @private */ -TimeAxis.prototype._repaintStart = function () { - var dom = this.dom, - redundant = dom.redundant; +TimeAxis.prototype._repaintLabels = function () { + var orientation = this.getOption('orientation'); - redundant.majorLines = dom.majorLines; - redundant.majorTexts = dom.majorTexts; - redundant.minorLines = dom.minorLines; - redundant.minorTexts = dom.minorTexts; + // calculate range and step + var start = util.convert(this.range.start, 'Number'), + end = util.convert(this.range.end, 'Number'), + minimumStep = this.options.toTime((this.props.minorCharWidth || 10) * 5).valueOf() + -this.options.toTime(0).valueOf(); + var step = new TimeStep(new Date(start), new Date(end), minimumStep); + 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 = []; -}; -/** - * End a repaint. Cleanup leftover DOM elements in the redundant list - * @private - */ -TimeAxis.prototype._repaintEnd = function () { + step.first(); + var xFirstMajorLabel = undefined; + var max = 0; + while (step.hasNext() && max < 1000) { + max++; + var cur = step.getCurrent(), + x = this.options.toScreen(cur), + isMajor = step.isMajor(); + + // TODO: lines must have a width, such that we can create css backgrounds + + if (this.getOption('showMinorLabels')) { + this._repaintMinorText(x, step.getLabelMinor(), orientation); + } + + if (isMajor && this.getOption('showMajorLabels')) { + if (x > 0) { + if (xFirstMajorLabel == undefined) { + xFirstMajorLabel = x; + } + this._repaintMajorText(x, step.getLabelMajor(), orientation); + } + this._repaintMajorLine(x, orientation); + } + else { + this._repaintMinorLine(x, orientation); + } + + step.next(); + } + + // create a major label on the left when needed + if (this.getOption('showMajorLabels')) { + var leftTime = this.options.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(); @@ -4540,14 +4260,14 @@ TimeAxis.prototype._repaintEnd = function () { }); }; - /** * Create a minor label for the axis at position x * @param {Number} x * @param {String} text + * @param {String} orientation "top" or "bottom" (default) * @private */ -TimeAxis.prototype._repaintMinorText = function (x, text) { +TimeAxis.prototype._repaintMinorText = function (x, text, orientation) { // reuse redundant label var label = this.dom.redundant.minorTexts.shift(); @@ -4562,8 +4282,16 @@ TimeAxis.prototype._repaintMinorText = function (x, text) { this.dom.minorTexts.push(label); label.childNodes[0].nodeValue = text; + + if (orientation == 'top') { + label.style.top = this.props.majorLabelHeight + 'px'; + label.style.bottom = ''; + } + else { + label.style.top = ''; + label.style.bottom = this.props.majorLabelHeight + 'px'; + } label.style.left = x + 'px'; - label.style.top = this.props.minorLabelTop + 'px'; //label.title = title; // TODO: this is a heavy operation }; @@ -4571,9 +4299,10 @@ TimeAxis.prototype._repaintMinorText = function (x, text) { * 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) { +TimeAxis.prototype._repaintMajorText = function (x, text, orientation) { // reuse redundant label var label = this.dom.redundant.majorTexts.shift(); @@ -4588,17 +4317,26 @@ TimeAxis.prototype._repaintMajorText = function (x, text) { this.dom.majorTexts.push(label); label.childNodes[0].nodeValue = text; - label.style.top = this.props.majorLabelTop + 'px'; - label.style.left = x + 'px'; //label.title = title; // TODO: this is a heavy operation + + if (orientation == 'top') { + label.style.top = '0px'; + label.style.bottom = ''; + } + else { + label.style.top = ''; + label.style.bottom = '0px'; + } + 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 */ -TimeAxis.prototype._repaintMinorLine = function (x) { +TimeAxis.prototype._repaintMinorLine = function (x, orientation) { // reuse redundant line var line = this.dom.redundant.minorLines.shift(); @@ -4611,7 +4349,14 @@ TimeAxis.prototype._repaintMinorLine = function (x) { this.dom.minorLines.push(line); var props = this.props; - line.style.top = props.minorLineTop + 'px'; + if (orientation == 'top') { + line.style.top = this.props.majorLabelHeight + 'px'; + line.style.bottom = ''; + } + else { + line.style.top = ''; + line.style.bottom = this.props.majorLabelHeight + 'px'; + } line.style.height = props.minorLineHeight + 'px'; line.style.left = (x - props.minorLineWidth / 2) + 'px'; }; @@ -4619,9 +4364,10 @@ TimeAxis.prototype._repaintMinorLine = function (x) { /** * 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) { +TimeAxis.prototype._repaintMajorLine = function (x, orientation) { // reuse redundant line var line = this.dom.redundant.majorLines.shift(); @@ -4634,7 +4380,14 @@ TimeAxis.prototype._repaintMajorLine = function (x) { this.dom.majorLines.push(line); var props = this.props; - line.style.top = props.majorLineTop + 'px'; + if (orientation == 'top') { + line.style.top = '0px'; + line.style.bottom = ''; + } + else { + line.style.top = ''; + line.style.bottom = '0px'; + } line.style.left = (x - props.majorLineWidth / 2) + 'px'; line.style.height = props.majorLineHeight + 'px'; }; @@ -4647,7 +4400,7 @@ TimeAxis.prototype._repaintMajorLine = function (x) { TimeAxis.prototype._repaintLine = function() { var line = this.dom.line, frame = this.frame, - options = this.options; + orientation = this.getOption('orientation'); // line before all axis elements if (this.getOption('showMinorLabels') || this.getOption('showMajorLabels')) { @@ -4664,297 +4417,174 @@ TimeAxis.prototype._repaintLine = function() { this.dom.line = line; } - line.style.top = this.props.lineTop + 'px'; + if (orientation == 'top') { + line.style.top = this.height + 'px'; + line.style.bottom = ''; + } + else { + line.style.top = ''; + line.style.bottom = this.height + 'px'; + } } else { - if (line && line.parentElement) { - frame.removeChild(line.line); + if (line && line.parentNode) { + line.parentNode.removeChild(line); delete this.dom.line; } } }; /** - * Create characters used to determine the size of text on the axis + * Determine the size of text on the axis (both major and minor axis). + * The size is calculated only once and then cached in this.props. * @private */ -TimeAxis.prototype._repaintMeasureChars = function () { - // calculate the width and height of a single character - // this is used to calculate the step size, and also the positioning of the - // axis - var dom = this.dom, - text; - - if (!dom.measureCharMinor) { - text = document.createTextNode('0'); +TimeAxis.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 = 'text minor measure'; - measureCharMinor.appendChild(text); + measureCharMinor.appendChild(textMinor); this.frame.appendChild(measureCharMinor); - dom.measureCharMinor = measureCharMinor; + this.props.minorCharHeight = measureCharMinor.clientHeight; + this.props.minorCharWidth = measureCharMinor.clientWidth; + + this.frame.removeChild(measureCharMinor); } - if (!dom.measureCharMajor) { - text = document.createTextNode('0'); + if (!('majorCharHeight' in this.props)) { + var textMajor = document.createTextNode('0'); var measureCharMajor = document.createElement('DIV'); measureCharMajor.className = 'text major measure'; - measureCharMajor.appendChild(text); + measureCharMajor.appendChild(textMajor); this.frame.appendChild(measureCharMajor); - dom.measureCharMajor = measureCharMajor; + this.props.majorCharHeight = measureCharMajor.clientHeight; + this.props.majorCharWidth = measureCharMajor.clientWidth; + + this.frame.removeChild(measureCharMajor); } }; /** - * Reflow the component - * @return {Boolean} resized + * 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.reflow = function () { - var changed = 0, - update = util.updateProperty, - frame = this.frame, - range = this.range; +TimeAxis.prototype.snap = function snap (date) { + return this.step.snap(date); +}; - if (!range) { - throw new Error('Cannot repaint time axis: no range configured'); - } +/** + * A current time bar + * @param {Range} range + * @param {Object} [options] Available parameters: + * {Boolean} [showCurrentTime] + * @constructor CurrentTime + * @extends Component + */ - if (frame) { - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - - // calculate size of a character - var props = this.props, - showMinorLabels = this.getOption('showMinorLabels'), - showMajorLabels = this.getOption('showMajorLabels'), - measureCharMinor = this.dom.measureCharMinor, - measureCharMajor = this.dom.measureCharMajor; - if (measureCharMinor) { - props.minorCharHeight = measureCharMinor.clientHeight; - props.minorCharWidth = measureCharMinor.clientWidth; - } - if (measureCharMajor) { - props.majorCharHeight = measureCharMajor.clientHeight; - props.majorCharWidth = measureCharMajor.clientWidth; - } - - var parentHeight = frame.parentNode ? frame.parentNode.offsetHeight : 0; - if (parentHeight != props.parentHeight) { - props.parentHeight = parentHeight; - changed += 1; - } - switch (this.getOption('orientation')) { - case 'bottom': - props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; - props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; - - props.minorLabelTop = 0; - props.majorLabelTop = props.minorLabelTop + props.minorLabelHeight; - - props.minorLineTop = -this.top; - props.minorLineHeight = Math.max(this.top + props.majorLabelHeight, 0); - props.minorLineWidth = 1; // TODO: really calculate width - - props.majorLineTop = -this.top; - props.majorLineHeight = Math.max(this.top + props.minorLabelHeight + props.majorLabelHeight, 0); - props.majorLineWidth = 1; // TODO: really calculate width - - props.lineTop = 0; - - break; - - case 'top': - props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; - props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; - - props.majorLabelTop = 0; - props.minorLabelTop = props.majorLabelTop + props.majorLabelHeight; - - props.minorLineTop = props.minorLabelTop; - props.minorLineHeight = Math.max(parentHeight - props.majorLabelHeight - this.top); - props.minorLineWidth = 1; // TODO: really calculate width - - props.majorLineTop = 0; - props.majorLineHeight = Math.max(parentHeight - this.top); - props.majorLineWidth = 1; // TODO: really calculate width - - props.lineTop = props.majorLabelHeight + props.minorLabelHeight; - - break; - - default: - throw new Error('Unkown orientation "' + this.getOption('orientation') + '"'); - } +function CurrentTime (range, options) { + this.id = util.randomUUID(); - var height = props.minorLabelHeight + props.majorLabelHeight; - changed += update(this, 'width', frame.offsetWidth); - changed += update(this, 'height', height); + this.range = range; + this.options = options || {}; + this.defaultOptions = { + showCurrentTime: false + }; - // calculate range and step - this._updateConversion(); + this._create(); +} - var start = util.convert(range.start, 'Number'), - end = util.convert(range.end, 'Number'), - minimumStep = this.toTime((props.minorCharWidth || 10) * 5).valueOf() - -this.toTime(0).valueOf(); - this.step = new TimeStep(new Date(start), new Date(end), minimumStep); - changed += update(props.range, 'start', start); - changed += update(props.range, 'end', end); - changed += update(props.range, 'minimumStep', minimumStep.valueOf()); - } +CurrentTime.prototype = new Component(); - return (changed > 0); -}; +CurrentTime.prototype.setOptions = Component.prototype.setOptions; /** - * Calculate the scale and offset to convert a position on screen to the - * corresponding date and vice versa. - * After the method _updateConversion is executed once, the methods toTime - * and toScreen can be used. + * Create the HTML DOM for the current time bar * @private */ -TimeAxis.prototype._updateConversion = function() { - var range = this.range; - if (!range) { - throw new Error('No range configured'); - } +CurrentTime.prototype._create = function _create () { + var bar = document.createElement('div'); + bar.className = 'currenttime'; + bar.style.position = 'absolute'; + bar.style.top = '0px'; + bar.style.height = '100%'; - if (range.conversion) { - this.conversion = range.conversion(this.width); - } - else { - this.conversion = Range.conversion(range.start, range.end, this.width); - } + this.bar = bar; }; /** - * 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 frame element of the current time bar + * @returns {HTMLElement} frame */ -TimeAxis.prototype.snap = function snap (date) { - return this.step.snap(date); +CurrentTime.prototype.getFrame = function getFrame() { + return this.bar; }; /** - * A current time bar - * @param {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) - * @param {Object} [options] Available parameters: - * {Boolean} [showCurrentTime] - * @constructor CurrentTime - * @extends Component + * Repaint the component + * @return {boolean} Returns true if the component is resized */ +CurrentTime.prototype.repaint = function repaint() { + var parent = this.parent; -function CurrentTime (parent, depends, options) { - this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; - - this.options = options || {}; - this.defaultOptions = { - showCurrentTime: false - }; -} - -CurrentTime.prototype = new Component(); + var now = new Date(); + var x = this.options.toScreen(now); -CurrentTime.prototype.setOptions = Component.prototype.setOptions; + this.bar.style.left = x + 'px'; + this.bar.title = 'Current time: ' + now; -/** - * Get the container element of the bar, which can be used by a child to - * add its own widgets. - * @returns {HTMLElement} container - */ -CurrentTime.prototype.getContainer = function () { - return this.frame; + return false; }; /** - * Repaint the component - * @return {Boolean} changed + * Start auto refreshing the current time bar */ -CurrentTime.prototype.repaint = function () { - var bar = this.frame, - parent = this.parent, - parentContainer = parent.parent.getContainer(); - - if (!parent) { - throw new Error('Cannot repaint bar: no parent attached'); - } - - if (!parentContainer) { - throw new Error('Cannot repaint bar: parent has no container element'); - } - - if (!this.getOption('showCurrentTime')) { - if (bar) { - parentContainer.removeChild(bar); - delete this.frame; - } +CurrentTime.prototype.start = function start() { + var me = this; - return false; - } + function update () { + me.stop(); - if (!bar) { - bar = document.createElement('div'); - bar.className = 'currenttime'; - bar.style.position = 'absolute'; - bar.style.top = '0px'; - bar.style.height = '100%'; + // determine interval to refresh + var scale = me.range.conversion(me.parent.width).scale; + var interval = 1 / scale / 10; + if (interval < 30) interval = 30; + if (interval > 1000) interval = 1000; - parentContainer.appendChild(bar); - this.frame = bar; - } + me.repaint(); - if (!parent.conversion) { - parent._updateConversion(); + // start a timer to adjust for the new time + me.currentTimeTimer = setTimeout(update, interval); } - var now = new Date(); - var x = parent.toScreen(now); - - bar.style.left = x + 'px'; - bar.title = 'Current time: ' + now; + update(); +}; - // start a timer to adjust for the new time +/** + * Stop auto refreshing the current time bar + */ +CurrentTime.prototype.stop = function stop() { if (this.currentTimeTimer !== undefined) { clearTimeout(this.currentTimeTimer); delete this.currentTimeTimer; } - - var timeline = this; - var interval = 1 / parent.conversion.scale / 2; - - if (interval < 30) { - interval = 30; - } - - this.currentTimeTimer = setTimeout(function() { - timeline.repaint(); - }, interval); - - return false; }; /** * A custom time bar - * @param {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) * @param {Object} [options] Available parameters: * {Boolean} [showCustomTime] * @constructor CustomTime * @extends Component */ -function CustomTime (parent, depends, options) { +function CustomTime (options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; this.options = options || {}; this.defaultOptions = { @@ -4963,85 +4593,61 @@ function CustomTime (parent, depends, options) { this.customTime = new Date(); this.eventParams = {}; // stores state parameters while dragging the bar + + // create the DOM + this._create(); } CustomTime.prototype = new Component(); -Emitter(CustomTime.prototype); - CustomTime.prototype.setOptions = Component.prototype.setOptions; /** - * Get the container element of the bar, which can be used by a child to - * add its own widgets. - * @returns {HTMLElement} container + * Create the DOM for the custom time + * @private */ -CustomTime.prototype.getContainer = function () { - return this.frame; +CustomTime.prototype._create = function _create () { + 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)); +}; + +/** + * Get the frame element of the custom time bar + * @returns {HTMLElement} frame + */ +CustomTime.prototype.getFrame = function getFrame() { + return this.bar; }; /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component is resized */ CustomTime.prototype.repaint = function () { - var bar = this.frame, - parent = this.parent; - - if (!parent) { - throw new Error('Cannot repaint bar: no parent attached'); - } - - var parentContainer = parent.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint bar: parent has no container element'); - } - - if (!this.getOption('showCustomTime')) { - if (bar) { - parentContainer.removeChild(bar); - delete this.frame; - } - - return false; - } + var x = this.options.toScreen(this.customTime); - if (!bar) { - bar = document.createElement('div'); - bar.className = 'customtime'; - bar.style.position = 'absolute'; - bar.style.top = '0px'; - bar.style.height = '100%'; - - parentContainer.appendChild(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); - - this.frame = bar; - - // attach event listeners - this.hammer = Hammer(bar, { - prevent_default: true - }); - this.hammer.on('dragstart', this._onDragStart.bind(this)); - this.hammer.on('drag', this._onDrag.bind(this)); - this.hammer.on('dragend', this._onDragEnd.bind(this)); - } - - if (!parent.conversion) { - parent._updateConversion(); - } - - var x = parent.toScreen(this.customTime); - - bar.style.left = x + 'px'; - bar.title = 'Time: ' + this.customTime; + this.bar.style.left = x + 'px'; + this.bar.title = 'Time: ' + this.customTime; return false; }; @@ -5069,6 +4675,7 @@ CustomTime.prototype.getCustomTime = function() { * @private */ CustomTime.prototype._onDragStart = function(event) { + this.eventParams.dragging = true; this.eventParams.customTime = this.customTime; event.stopPropagation(); @@ -5081,18 +4688,18 @@ CustomTime.prototype._onDragStart = function(event) { * @private */ CustomTime.prototype._onDrag = function (event) { + if (!this.eventParams.dragging) return; + var deltaX = event.gesture.deltaX, - x = this.parent.toScreen(this.eventParams.customTime) + deltaX, - time = this.parent.toTime(x); + x = this.options.toScreen(this.eventParams.customTime) + deltaX, + time = this.options.toTime(x); this.setCustomTime(time); // fire a timechange event - if (this.controller) { - this.controller.emit('timechange', { - time: this.customTime - }) - } + this.emit('timechange', { + time: new Date(this.customTime.valueOf()) + }); event.stopPropagation(); event.preventDefault(); @@ -5104,12 +4711,12 @@ CustomTime.prototype._onDrag = function (event) { * @private */ CustomTime.prototype._onDragEnd = function (event) { + if (!this.eventParams.dragging) return; + // fire a timechanged event - if (this.controller) { - this.controller.emit('timechanged', { - time: this.customTime - }) - } + this.emit('timechanged', { + time: new Date(this.customTime.valueOf()) + }); event.stopPropagation(); event.preventDefault(); @@ -5119,41 +4726,24 @@ CustomTime.prototype._onDragEnd = function (event) { * 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 {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) - * @param {Object} [options] See ItemSet.setOptions for the available - * options. + * @param {Panel} backgroundPanel Panel which can be used to display the + * vertical lines of box items. + * @param {Panel} axisPanel Panel on the axis where the dots of box-items + * can be displayed. + * @param {Object} [options] See ItemSet.setOptions for the available options. * @constructor ItemSet * @extends Panel */ -// TODO: improve performance by replacing all Array.forEach with a for loop -function ItemSet(parent, depends, options) { +function ItemSet(backgroundPanel, axisPanel, options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; - - // event listeners - this.eventListeners = { - dragstart: this._onDragStart.bind(this), - drag: this._onDrag.bind(this), - dragend: this._onDragEnd.bind(this) - }; // one options object is shared by this itemset and all its items this.options = options || {}; - this.defaultOptions = { - type: 'box', - align: 'center', - orientation: 'bottom', - margin: { - axis: 20, - item: 10 - }, - padding: 5 - }; - + this.backgroundPanel = backgroundPanel; + this.axisPanel = axisPanel; + this.itemOptions = Object.create(this.options); this.dom = {}; + this.hammer = null; var me = this; this.itemsData = null; // DataSet @@ -5162,31 +4752,33 @@ function ItemSet(parent, depends, options) { // data change listeners this.listeners = { 'add': function (event, params, senderId) { - if (senderId != me.id) { - me._onAdd(params.items); - } + if (senderId != me.id) me._onAdd(params.items); }, 'update': function (event, params, senderId) { - if (senderId != me.id) { - me._onUpdate(params.items); - } + if (senderId != me.id) me._onUpdate(params.items); }, 'remove': function (event, params, senderId) { - if (senderId != me.id) { - me._onRemove(params.items); - } + if (senderId != me.id) me._onRemove(params.items); } }; - this.items = {}; // object with an Item for every data item + this.items = {}; // object with an Item for every data item + this.orderedItems = { + byStart: [], + byEnd: [] + }; + this.visibleItems = []; // visible, ordered items + this.visibleItemsStart = 0; // start index of visible items in this.orderedItems // TODO: cleanup + this.visibleItemsEnd = 0; // start index of visible items in this.orderedItems // TODO: cleanup this.selection = []; // list with the ids of all selected nodes this.queue = {}; // queue with id/actions: 'add', 'update', 'delete' - this.stack = new Stack(this, Object.create(this.options)); - this.conversion = null; + this.stack = new Stack(Object.create(this.options)); + this.stackDirty = true; // if true, all items will be restacked on next repaint this.touchParams = {}; // stores properties while dragging - // TODO: ItemSet should also attach event listeners for rangechange and rangechanged, like timeaxis + // create the HTML DOM + this._create(); } ItemSet.prototype = new Panel(); @@ -5199,6 +4791,42 @@ ItemSet.types = { point: ItemPoint }; +/** + * Create the HTML DOM for the ItemSet + */ +ItemSet.prototype._create = function _create(){ + var frame = document.createElement('div'); + frame['timeline-itemset'] = this; + this.frame = frame; + + // create background panel + var background = document.createElement('div'); + background.className = 'background'; + this.backgroundPanel.frame.appendChild(background); + this.dom.background = background; + + // 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; + this.axisPanel.frame.appendChild(axis); + + // attach event listeners + // TODO: use event listeners from the rootpanel to improve performance? + this.hammer = Hammer(frame, { + 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 options for the ItemSet. Existing options will be extended/overwritten. * @param {Object} [options] The following options are available: @@ -5229,54 +4857,36 @@ ItemSet.types = { */ ItemSet.prototype.setOptions = Component.prototype.setOptions; - - /** - * Set controller for this component - * @param {Controller | null} controller + * Hide the component from the DOM */ -ItemSet.prototype.setController = function setController (controller) { - var event; - - // unregister old event listeners - if (this.controller) { - for (event in this.eventListeners) { - if (this.eventListeners.hasOwnProperty(event)) { - this.controller.off(event, this.eventListeners[event]); - } - } +ItemSet.prototype.hide = function hide() { + // remove the axis with dots + if (this.dom.axis.parentNode) { + this.dom.axis.parentNode.removeChild(this.dom.axis); } - this.controller = controller || null; - - // register new event listeners - if (this.controller) { - for (event in this.eventListeners) { - if (this.eventListeners.hasOwnProperty(event)) { - this.controller.on(event, this.eventListeners[event]); - } - } + // remove the background with vertical lines + if (this.dom.background.parentNode) { + this.dom.background.parentNode.removeChild(this.dom.background); } }; -// attach event listeners for dragging items to the controller -(function (me) { - var _controller = null; - var _onDragStart = null; - var _onDrag = null; - var _onDragEnd = null; - - Object.defineProperty(me, 'controller', { - get: function () { - return _controller; - }, - - set: function (controller) { - - } - }); -}) (this); +/** + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed + */ +ItemSet.prototype.show = function show() { + // show axis with dots + if (!this.dom.axis.parentNode) { + this.axisPanel.frame.appendChild(this.dom.axis); + } + // show background with vertical lines + if (!this.dom.background.parentNode) { + this.backgroundPanel.frame.appendChild(this.dom.background); + } +}; /** * Set range (start and end). @@ -5298,7 +4908,7 @@ ItemSet.prototype.setRange = function setRange(range) { * unselected. */ ItemSet.prototype.setSelection = function setSelection(ids) { - var i, ii, id, item, selection; + var i, ii, id, item; if (ids) { if (!Array.isArray(ids)) { @@ -5322,10 +4932,6 @@ ItemSet.prototype.setSelection = function setSelection(ids) { item.select(); } } - - if (this.controller) { - this.requestRepaint(); - } } }; @@ -5352,184 +4958,151 @@ ItemSet.prototype._deselect = function _deselect(id) { } }; +/** + * Return the item sets frame + * @returns {HTMLElement} frame + */ +ItemSet.prototype.getFrame = function getFrame() { + return this.frame; +}; + /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component is resized */ ItemSet.prototype.repaint = function repaint() { - var changed = 0, - update = util.updateProperty, - asSize = util.option.asSize, + var asSize = util.option.asSize, + asString = util.option.asString, options = this.options, orientation = this.getOption('orientation'), - defaultOptions = this.defaultOptions, frame = this.frame; - if (!frame) { - frame = document.createElement('div'); - frame.className = 'itemset'; - frame['timeline-itemset'] = this; + // update className + frame.className = 'itemset' + (options.className ? (' ' + asString(options.className)) : ''); - var className = options.className; - if (className) { - util.addClassName(frame, util.option.asString(className)); - } - - // create background panel - var background = document.createElement('div'); - background.className = 'background'; - frame.appendChild(background); - this.dom.background = background; - - // 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 = 'itemset-axis'; - //frame.appendChild(axis); - this.dom.axis = axis; + // check whether zoomed (in that case we need to re-stack everything) + var visibleInterval = this.range.end - this.range.start; + var zoomed = (visibleInterval != this.lastVisibleInterval) || (this.width != this.lastWidth); + this.lastVisibleInterval = visibleInterval; + this.lastWidth = this.width; - this.frame = frame; - changed += 1; + /* TODO: implement+fix smarter way to update visible items + // find the first visible item + // TODO: use faster search, not linear + var byEnd = this.orderedItems.byEnd; + var start = 0; + var item = null; + while ((item = byEnd[start]) && + (('end' in item.data) ? item.data.end : item.data.start) < this.range.start) { + start++; } - if (!this.parent) { - throw new Error('Cannot repaint itemset: no parent attached'); - } - var parentContainer = this.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint itemset: parent has no container element'); - } - if (!frame.parentNode) { - parentContainer.appendChild(frame); - changed += 1; - } - if (!this.dom.axis.parentNode) { - parentContainer.appendChild(this.dom.axis); - changed += 1; + // find the last visible item + // TODO: use faster search, not linear + var byStart = this.orderedItems.byStart; + var end = 0; + while ((item = byStart[end]) && item.data.start < this.range.end) { + end++; } - // reposition frame - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'top', asSize(options.top, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - changed += update(frame.style, 'height', asSize(options.height, this.height + 'px')); + console.log('visible items', start, end); // TODO: cleanup + console.log('visible item ids', byStart[start] && byStart[start].id, byEnd[end-1] && byEnd[end-1].id); // TODO: cleanup - // reposition axis - changed += update(this.dom.axis.style, 'left', asSize(options.left, '0px')); - changed += update(this.dom.axis.style, 'width', asSize(options.width, '100%')); - if (orientation == 'bottom') { - changed += update(this.dom.axis.style, 'top', (this.height + this.top) + 'px'); - } - else { // orientation == 'top' - changed += update(this.dom.axis.style, 'top', this.top + 'px'); + this.visibleItems = []; + var i = start; + item = byStart[i]; + var lastItem = byEnd[end]; + while (item && item !== lastItem) { + this.visibleItems.push(item); + item = byStart[++i]; } + this.stack.order(this.visibleItems); - this._updateConversion(); - - var me = this, - queue = this.queue, - itemsData = this.itemsData, - items = this.items, - dataOptions = { - // TODO: cleanup - // fields: [(itemsData && itemsData.fieldId || 'id'), 'start', 'end', 'content', 'type', 'className'] - }; - - // show/hide added/changed/removed items - for (var id in queue) { - if (queue.hasOwnProperty(id)) { - var entry = queue[id], - item = items[id], - action = entry.action; - - //noinspection FallthroughInSwitchStatementJS - switch (action) { - case 'add': - case 'update': - var itemData = itemsData && itemsData.get(id, dataOptions); - - if (itemData) { - var type = itemData.type || - (itemData.start && itemData.end && 'range') || - options.type || - 'box'; - var constructor = ItemSet.types[type]; - - // TODO: how to handle items with invalid data? hide them and give a warning? or throw an error? - if (item) { - // update item - if (!constructor || !(item instanceof constructor)) { - // item type has changed, hide and delete the item - changed += item.hide(); - item = null; - } - else { - item.data = itemData; // TODO: create a method item.setData ? - changed++; - } - } + // show visible items + for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { + item = this.visibleItems[i]; - if (!item) { - // create item - if (constructor) { - item = new constructor(me, itemData, options, defaultOptions); - item.id = entry.id; // we take entry.id, as id itself is stringified - changed++; - } - else { - throw new TypeError('Unknown item type "' + type + '"'); - } - } + if (!item.displayed) item.show(); + item.top = null; // reset stacking position - // force a repaint (not only a reposition) - item.repaint(); + // reposition item horizontally + item.repositionX(); + } + */ - items[id] = item; - } + // simple, brute force calculation of visible items + // TODO: replace with a faster, more sophisticated solution + this.visibleItems = []; + for (var id in this.items) { + if (this.items.hasOwnProperty(id)) { + var item = this.items[id]; + if (item.isVisible(this.range)) { + if (!item.displayed) item.show(); - // update queue - delete queue[id]; - break; + // reposition item horizontally + item.repositionX(); - case 'remove': - if (item) { - // remove the item from the set selected items - if (item.selected) { - me._deselect(id); - } + this.visibleItems.push(item); + } + else { + if (item.displayed) item.hide(); + } + } + } - // remove DOM of the item - changed += item.hide(); - } + // reposition visible items vertically + //this.stack.order(this.visibleItems); // TODO: improve ordering + var force = this.stackDirty || zoomed; // force re-stacking of all items if true + this.stack.stack(this.visibleItems, force); + this.stackDirty = false; + for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { + this.visibleItems[i].repositionY(); + } - // update lists - delete items[id]; - delete queue[id]; - break; + // recalculate the height of the itemset + var marginAxis = (options.margin && 'axis' in options.margin) ? options.margin.axis : this.itemOptions.margin.axis, + marginItem = (options.margin && 'item' in options.margin) ? options.margin.item : this.itemOptions.margin.item, + height; - default: - console.log('Error: unknown action "' + action + '"'); - } - } + // determine the height from the stacked items + var visibleItems = this.visibleItems; + 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)); + }); + height = (max - min) + marginAxis + marginItem; + } + else { + height = marginAxis + marginItem; } - // reposition all items. Show items only when in the visible area - util.forEach(this.items, function (item) { - if (item.visible) { - changed += item.show(); - item.reposition(); - } - else { - changed += item.hide(); - } - }); + // reposition frame + frame.style.left = asSize(options.left, ''); + frame.style.right = asSize(options.right, ''); + frame.style.top = asSize((orientation == 'top') ? '0' : ''); + frame.style.bottom = asSize((orientation == 'top') ? '' : '0'); + frame.style.width = asSize(options.width, '100%'); + frame.style.height = asSize(height); + //frame.style.height = asSize('height' in options ? options.height : height); // TODO: reckon with height + + // calculate actual size and position + this.top = frame.offsetTop; + this.left = frame.offsetLeft; + this.width = frame.offsetWidth; + this.height = height; + + // reposition axis + this.dom.axis.style.left = asSize(options.left, '0'); + this.dom.axis.style.right = asSize(options.right, ''); + this.dom.axis.style.width = asSize(options.width, '100%'); + this.dom.axis.style.height = asSize(0); + this.dom.axis.style.top = asSize((orientation == 'top') ? '0' : ''); + this.dom.axis.style.bottom = asSize((orientation == 'top') ? '' : '0'); - return (changed > 0); + return this._isResized(); }; /** @@ -5557,97 +5130,13 @@ ItemSet.prototype.getAxis = function getAxis() { }; /** - * Reflow the component - * @return {Boolean} resized + * Set items + * @param {vis.DataSet | null} items */ -ItemSet.prototype.reflow = function reflow () { - var changed = 0, - options = this.options, - marginAxis = (options.margin && 'axis' in options.margin) ? options.margin.axis : this.defaultOptions.margin.axis, - marginItem = (options.margin && 'item' in options.margin) ? options.margin.item : this.defaultOptions.margin.item, - update = util.updateProperty, - asNumber = util.option.asNumber, - asSize = util.option.asSize, - frame = this.frame; - - if (frame) { - this._updateConversion(); - - util.forEach(this.items, function (item) { - changed += item.reflow(); - }); - - // TODO: stack.update should be triggered via an event, in stack itself - // TODO: only update the stack when there are changed items - this.stack.update(); - - var maxHeight = asNumber(options.maxHeight); - var fixedHeight = (asSize(options.height) != null); - var height; - if (fixedHeight) { - height = frame.offsetHeight; - } - else { - // height is not specified, determine the height from the height and positioned items - var visibleItems = this.stack.ordered; // TODO: not so nice way to get the filtered items - 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)); - }); - height = (max - min) + marginAxis + marginItem; - } - else { - height = marginAxis + marginItem; - } - } - if (maxHeight != null) { - height = Math.min(height, maxHeight); - } - changed += update(this, 'height', height); - - // calculate height from items - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - changed += update(this, 'width', frame.offsetWidth); - } - else { - changed += 1; - } - - return (changed > 0); -}; - -/** - * Hide this component from the DOM - * @return {Boolean} changed - */ -ItemSet.prototype.hide = function hide() { - var changed = false; - - // remove the DOM - if (this.frame && this.frame.parentNode) { - this.frame.parentNode.removeChild(this.frame); - changed = true; - } - if (this.dom.axis && this.dom.axis.parentNode) { - this.dom.axis.parentNode.removeChild(this.dom.axis); - changed = true; - } - - return changed; -}; - -/** - * Set items - * @param {vis.DataSet | null} items - */ -ItemSet.prototype.setItems = function setItems(items) { - var me = this, - ids, - oldItemsData = this.itemsData; +ItemSet.prototype.setItems = function setItems(items) { + var me = this, + ids, + oldItemsData = this.itemsData; // replace the dataset if (!items) { @@ -5704,7 +5193,9 @@ ItemSet.prototype.removeItem = function removeItem (id) { // confirm deletion this.options.onRemove(item, function (item) { if (item) { - dataset.remove(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); } }); } @@ -5716,17 +5207,58 @@ ItemSet.prototype.removeItem = function removeItem (id) { * @private */ ItemSet.prototype._onUpdate = function _onUpdate(ids) { - this._toQueue('update', ids); + var me = this, + items = this.items, + itemOptions = this.itemOptions; + + ids.forEach(function (id) { + var itemData = me.itemsData.get(id), + item = items[id], + type = itemData.type || + (itemData.start && itemData.end && 'range') || + me.options.type || + 'box'; + + var constructor = ItemSet.types[type]; + + if (item) { + // update item + if (!constructor || !(item instanceof constructor)) { + // item type has changed, hide and delete the item + item.hide(); + item = null; + } + else { + item.data = itemData; // TODO: create a method item.setData ? + } + } + + if (!item) { + // create item + if (constructor) { + item = new constructor(me, itemData, me.options, itemOptions); + item.id = id; + } + else { + throw new TypeError('Unknown item type "' + type + '"'); + } + } + + me.items[id] = item; + }); + + this._order(); + + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); }; /** - * Handle changed items + * Handle added items * @param {Number[]} ids * @private */ -ItemSet.prototype._onAdd = function _onAdd(ids) { - this._toQueue('add', ids); -}; +ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; /** * Handle removed items @@ -5734,73 +5266,42 @@ ItemSet.prototype._onAdd = function _onAdd(ids) { * @private */ ItemSet.prototype._onRemove = function _onRemove(ids) { - this._toQueue('remove', ids); -}; - -/** - * Put items in the queue to be added/updated/remove - * @param {String} action can be 'add', 'update', 'remove' - * @param {Number[]} ids - */ -ItemSet.prototype._toQueue = function _toQueue(action, ids) { - var queue = this.queue; + var count = 0; + var me = this; ids.forEach(function (id) { - queue[id] = { - id: id, - action: action - }; + var item = me.items[id]; + if (item) { + count++; + item.hide(); + delete me.items[id]; + delete me.visibleItems[id]; + + // remove from selection + var index = me.selection.indexOf(id); + if (index != -1) me.selection.splice(index, 1); + } }); - if (this.controller) { - //this.requestReflow(); - this.requestRepaint(); + if (count) { + // update order + this._order(); + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); } }; /** - * Calculate the scale and offset to convert a position on screen to the - * corresponding date and vice versa. - * After the method _updateConversion is executed once, the methods toTime - * and toScreen can be used. + * Order the items * @private */ -ItemSet.prototype._updateConversion = function _updateConversion() { - var range = this.range; - if (!range) { - throw new Error('No range configured'); - } - - if (range.conversion) { - this.conversion = range.conversion(this.width); - } - else { - this.conversion = Range.conversion(range.start, range.end, this.width); - } -}; - -/** - * Convert a position on screen (pixels) to a datetime - * Before this method can be used, the method _updateConversion must be - * executed once. - * @param {int} x Position on the screen in pixels - * @return {Date} time The datetime the corresponds with given position x - */ -ItemSet.prototype.toTime = function toTime(x) { - var conversion = this.conversion; - return new Date(x / conversion.scale + conversion.offset); -}; +ItemSet.prototype._order = function _order() { + var array = util.toArray(this.items); + this.orderedItems.byStart = array; + this.orderedItems.byEnd = [].concat(array); -/** - * Convert a datetime (Date object) into a position on the screen - * Before this method can be used, the method _updateConversion must be - * executed once. - * @param {Date} time A date - * @return {int} x The position on the screen in pixels which corresponds - * with the given date. - */ -ItemSet.prototype.toScreen = function toScreen(time) { - var conversion = this.conversion; - return (time.valueOf() - conversion.offset) * conversion.scale; + // reorder the items + this.stack.orderByStart(this.orderedItems.byStart); + this.stack.orderByEnd(this.orderedItems.byEnd); }; /** @@ -5863,7 +5364,8 @@ ItemSet.prototype._onDrag = function (event) { if (this.touchParams.itemProps) { var snap = this.options.snap || null, deltaX = event.gesture.deltaX, - offset = deltaX / this.conversion.scale; + scale = (this.width / (this.range.end - this.range.start)), + offset = deltaX / scale; // move this.touchParams.itemProps.forEach(function (props) { @@ -5881,7 +5383,8 @@ ItemSet.prototype._onDrag = function (event) { // TODO: implement dragging from one group to another - this.requestReflow(); + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); event.stopPropagation(); } @@ -5897,8 +5400,7 @@ ItemSet.prototype._onDragEnd = function (event) { // prepare a change set for the changed items var changes = [], me = this, - dataset = this._myDataSet(), - type; + dataset = this._myDataSet(); this.touchParams.itemProps.forEach(function (props) { var id = props.item.id, @@ -5919,13 +5421,16 @@ ItemSet.prototype._onDragEnd = function (event) { me.options.onMove(item, function (item) { if (item) { // apply changes + item[dataset.fieldId] = id; // ensure the item contains its id (can be undefined) changes.push(item); } else { // restore original values if ('start' in props) props.item.data.start = props.start; if ('end' in props) props.item.data.end = props.end; - me.requestReflow(); + + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); } }); } @@ -6007,12 +5512,13 @@ function Item (parent, data, options, defaultOptions) { this.defaultOptions = defaultOptions || {}; this.selected = false; - this.visible = false; - this.top = 0; - this.left = 0; - this.width = 0; - this.height = 0; - this.offset = 0; + this.displayed = false; + this.dirty = true; + + this.top = null; + this.left = null; + this.width = null; + this.height = null; } /** @@ -6020,7 +5526,7 @@ function Item (parent, data, options, defaultOptions) { */ Item.prototype.select = function select() { this.selected = true; - if (this.visible) this.repaint(); + if (this.displayed) this.repaint(); }; /** @@ -6028,7 +5534,7 @@ Item.prototype.select = function select() { */ Item.prototype.unselect = function unselect() { this.selected = false; - if (this.visible) this.repaint(); + if (this.displayed) this.repaint(); }; /** @@ -6049,28 +5555,23 @@ Item.prototype.hide = function hide() { /** * Repaint the item - * @return {Boolean} changed */ Item.prototype.repaint = function repaint() { // should be implemented by the item - return false; }; /** - * Reflow the item - * @return {Boolean} resized + * Reposition the Item horizontally */ -Item.prototype.reflow = function reflow() { +Item.prototype.repositionX = function repositionX() { // should be implemented by the item - return false; }; /** - * Give the item a display offset in pixels - * @param {Number} offset Offset on screen in pixels + * Reposition the Item vertically */ -Item.prototype.setOffset = function setOffset(offset) { - this.offset = offset; +Item.prototype.repositionY = function repositionY() { + // should be implemented by the item }; /** @@ -6120,296 +5621,223 @@ Item.prototype._repaintDeleteButton = function (anchor) { function ItemBox (parent, data, options, defaultOptions) { this.props = { dot: { - left: 0, - top: 0, width: 0, height: 0 }, line: { - top: 0, - left: 0, width: 0, height: 0 } }; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } + } + Item.call(this, parent, data, options, defaultOptions); } ItemBox.prototype = new Item (null, null); +/** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ +ItemBox.prototype.isVisible = function isVisible (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); +}; + /** * Repaint the item - * @return {Boolean} changed */ ItemBox.prototype.repaint = function repaint() { - // TODO: make an efficient repaint - var changed = false; var dom = this.dom; - if (!dom) { - this._create(); + // create DOM + this.dom = {}; dom = this.dom; - changed = true; + + // create main box + dom.box = document.createElement('DIV'); + + // contents box (inside the background box). used for making margins + dom.content = document.createElement('DIV'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); + + // line to axis + dom.line = document.createElement('DIV'); + dom.line.className = 'line'; + + // dot on axis + dom.dot = document.createElement('DIV'); + dom.dot.className = 'dot'; + + // attach this item as attribute + dom.box['timeline-item'] = this; } - if (dom) { - if (!this.parent) { - throw new Error('Cannot repaint item: no parent attached'); - } + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot repaint item: no parent attached'); + } + if (!dom.box.parentNode) { + var foreground = this.parent.getForeground(); + if (!foreground) throw new Error('Cannot repaint time axis: parent has no foreground container element'); + foreground.appendChild(dom.box); + } + if (!dom.line.parentNode) { + var background = this.parent.getBackground(); + if (!background) throw new Error('Cannot repaint time axis: parent has no background container element'); + background.appendChild(dom.line); + } + if (!dom.dot.parentNode) { + var axis = this.parent.getAxis(); + if (!background) throw new Error('Cannot repaint time axis: parent has no axis container element'); + axis.appendChild(dom.dot); + } + this.displayed = true; - if (!dom.box.parentNode) { - var foreground = this.parent.getForeground(); - if (!foreground) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no foreground container element'); - } - foreground.appendChild(dom.box); - changed = true; + // update contents + if (this.data.content != this.content) { + this.content = this.data.content; + if (this.content instanceof Element) { + dom.content.innerHTML = ''; + dom.content.appendChild(this.content); } - - if (!dom.line.parentNode) { - var background = this.parent.getBackground(); - if (!background) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no background container element'); - } - background.appendChild(dom.line); - changed = true; + else if (this.data.content != undefined) { + dom.content.innerHTML = this.content; } - - if (!dom.dot.parentNode) { - var axis = this.parent.getAxis(); - if (!background) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no axis container element'); - } - axis.appendChild(dom.dot); - changed = true; + else { + throw new Error('Property "content" missing in item ' + this.data.id); } - this._repaintDeleteButton(dom.box); + this.dirty = true; + } + + // update class + var className = (this.data.className? ' ' + this.data.className : '') + + (this.selected ? ' selected' : ''); + if (this.className != className) { + this.className = className; + dom.box.className = 'item box' + className; + dom.line.className = 'item line' + className; + dom.dot.className = 'item dot' + className; - // update contents - if (this.data.content != this.content) { - this.content = this.data.content; - if (this.content instanceof Element) { - dom.content.innerHTML = ''; - dom.content.appendChild(this.content); - } - else if (this.data.content != undefined) { - dom.content.innerHTML = this.content; - } - else { - throw new Error('Property "content" missing in item ' + this.data.id); - } - changed = true; - } + this.dirty = true; + } - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - if (this.className != className) { - this.className = className; - dom.box.className = 'item box' + className; - dom.line.className = 'item line' + className; - dom.dot.className = 'item dot' + className; - changed = true; - } + // recalculate size + if (this.dirty) { + this.props.dot.height = dom.dot.offsetHeight; + this.props.dot.width = dom.dot.offsetWidth; + this.props.line.width = dom.line.offsetWidth; + this.width = dom.box.offsetWidth; + this.height = dom.box.offsetHeight; + + this.dirty = false; } - return changed; + this._repaintDeleteButton(dom.box); }; /** - * Show the item in the DOM (when not already visible). The items DOM will + * Show the item in the DOM (when not already displayed). The items DOM will * be created when needed. - * @return {Boolean} changed */ ItemBox.prototype.show = function show() { - if (!this.dom || !this.dom.box.parentNode) { - return this.repaint(); - } - else { - return false; + if (!this.displayed) { + this.repaint(); } }; /** * Hide the item from the DOM (when visible) - * @return {Boolean} changed */ ItemBox.prototype.hide = function hide() { - var changed = false, - dom = this.dom; - if (dom) { - if (dom.box.parentNode) { - dom.box.parentNode.removeChild(dom.box); - changed = true; - } - if (dom.line.parentNode) { - dom.line.parentNode.removeChild(dom.line); - } - if (dom.dot.parentNode) { - dom.dot.parentNode.removeChild(dom.dot); - } + 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; } - return changed; }; /** - * Reflow the item: calculate its actual size and position from the DOM - * @return {boolean} resized returns true if the axis is resized - * @override + * Reposition the item horizontally + * @Override */ -ItemBox.prototype.reflow = function reflow() { - var changed = 0, - update, - dom, - props, - options, - margin, - start, - align, - orientation, - top, +ItemBox.prototype.repositionX = function repositionX() { + var start = this.defaultOptions.toScreen(this.data.start), + align = this.options.align || this.defaultOptions.align, left, - data, - range; + box = this.dom.box, + line = this.dom.line, + dot = this.dom.dot; - if (this.data.start == undefined) { - throw new Error('Property "start" missing in item ' + this.data.id); + // calculate left position of the box + if (align == 'right') { + this.left = start - this.width; } - - data = this.data; - range = this.parent && this.parent.range; - if (data && range) { - // TODO: account for the width of the item - var interval = (range.end - range.start); - this.visible = (data.start > range.start - interval) && (data.start < range.end + interval); + else if (align == 'left') { + this.left = start; } else { - this.visible = false; + // default or 'center' + this.left = start - this.width / 2; } - if (this.visible) { - dom = this.dom; - if (dom) { - update = util.updateProperty; - props = this.props; - options = this.options; - start = this.parent.toScreen(this.data.start) + this.offset; - align = options.align || this.defaultOptions.align; - margin = options.margin && options.margin.axis || this.defaultOptions.margin.axis; - orientation = options.orientation || this.defaultOptions.orientation; - - changed += update(props.dot, 'height', dom.dot.offsetHeight); - changed += update(props.dot, 'width', dom.dot.offsetWidth); - changed += update(props.line, 'width', dom.line.offsetWidth); - changed += update(props.line, 'height', dom.line.offsetHeight); - changed += update(props.line, 'top', dom.line.offsetTop); - changed += update(this, 'width', dom.box.offsetWidth); - changed += update(this, 'height', dom.box.offsetHeight); - if (align == 'right') { - left = start - this.width; - } - else if (align == 'left') { - left = start; - } - else { - // default or 'center' - left = start - this.width / 2; - } - changed += update(this, 'left', left); - - changed += update(props.line, 'left', start - props.line.width / 2); - changed += update(props.dot, 'left', start - props.dot.width / 2); - changed += update(props.dot, 'top', -props.dot.height / 2); - if (orientation == 'top') { - top = margin; - - changed += update(this, 'top', top); - } - else { - // default or 'bottom' - var parentHeight = this.parent.height; - top = parentHeight - this.height - margin; + // reposition box + box.style.left = this.left + 'px'; - changed += update(this, 'top', top); - } - } - else { - changed += 1; - } - } + // reposition line + line.style.left = (start - this.props.line.width / 2) + 'px'; - return (changed > 0); + // reposition dot + dot.style.left = (start - this.props.dot.width / 2) + 'px'; }; /** - * Create an items DOM - * @private + * Reposition the item vertically + * @Override */ -ItemBox.prototype._create = function _create() { - var dom = this.dom; - if (!dom) { - this.dom = dom = {}; - - // create the box - dom.box = document.createElement('DIV'); - // className is updated in repaint() +ItemBox.prototype.repositionY = function repositionY () { + var orientation = this.options.orientation || this.defaultOptions.orientation, + box = this.dom.box, + line = this.dom.line, + dot = this.dom.dot; - // contents box (inside the background box). used for making margins - dom.content = document.createElement('DIV'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); - - // line to axis - dom.line = document.createElement('DIV'); - dom.line.className = 'line'; - - // dot on axis - dom.dot = document.createElement('DIV'); - dom.dot.className = 'dot'; + if (orientation == 'top') { + box.style.top = (this.top || 0) + 'px'; + box.style.bottom = ''; - // attach this item as attribute - dom.box['timeline-item'] = this; + line.style.top = '0'; + line.style.bottom = ''; + line.style.height = (this.parent.top + this.top + 1) + 'px'; } -}; - -/** - * Reposition the item, recalculate its left, top, and width, using the current - * range and size of the items itemset - * @override - */ -ItemBox.prototype.reposition = function reposition() { - var dom = this.dom, - props = this.props, - orientation = this.options.orientation || this.defaultOptions.orientation; - - if (dom) { - var box = dom.box, - line = dom.line, - dot = dom.dot; - - box.style.left = this.left + 'px'; - box.style.top = this.top + 'px'; + else { // orientation 'bottom' + box.style.top = ''; + box.style.bottom = (this.top || 0) + 'px'; - line.style.left = props.line.left + 'px'; - if (orientation == 'top') { - line.style.top = 0 + 'px'; - line.style.height = this.top + 'px'; - } - else { - // orientation 'bottom' - line.style.top = (this.top + this.height) + 'px'; - line.style.height = Math.max(this.parent.height - this.top - this.height + - this.props.dot.height / 2, 0) + 'px'; - } - - dot.style.left = props.dot.left + 'px'; - dot.style.top = props.dot.top + 'px'; + line.style.top = (this.parent.top + this.parent.height - this.top - 1) + 'px'; + line.style.bottom = '0'; + line.style.height = ''; } + + dot.style.top = (-this.props.dot.height / 2) + 'px'; }; /** @@ -6435,222 +5863,173 @@ function ItemPoint (parent, data, options, defaultOptions) { } }; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } + } + Item.call(this, parent, data, options, defaultOptions); } ItemPoint.prototype = new Item (null, null); +/** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ +ItemPoint.prototype.isVisible = function isVisible (range) { + // determine visibility + var interval = (range.end - range.start); + return (this.data.start > range.start - interval) && (this.data.start < range.end); +} + /** * Repaint the item - * @return {Boolean} changed */ ItemPoint.prototype.repaint = function repaint() { - // TODO: make an efficient repaint - var changed = false; var dom = this.dom; - if (!dom) { - this._create(); + // create DOM + this.dom = {}; dom = this.dom; - changed = true; + + // background box + dom.point = document.createElement('div'); + // className is updated in repaint() + + // 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.dot.className = 'dot'; + dom.point.appendChild(dom.dot); + + // attach this item as attribute + dom.point['timeline-item'] = this; } - if (dom) { - if (!this.parent) { - throw new Error('Cannot repaint item: no parent attached'); - } + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot repaint item: no parent attached'); + } + if (!dom.point.parentNode) { var foreground = this.parent.getForeground(); if (!foreground) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no foreground container element'); + throw new Error('Cannot repaint time axis: parent has no foreground container element'); } + foreground.appendChild(dom.point); + } + this.displayed = true; - if (!dom.point.parentNode) { - foreground.appendChild(dom.point); - foreground.appendChild(dom.point); - changed = true; + // update contents + if (this.data.content != this.content) { + this.content = this.data.content; + if (this.content instanceof Element) { + dom.content.innerHTML = ''; + dom.content.appendChild(this.content); } - - // update contents - if (this.data.content != this.content) { - this.content = this.data.content; - if (this.content instanceof Element) { - dom.content.innerHTML = ''; - dom.content.appendChild(this.content); - } - else if (this.data.content != undefined) { - dom.content.innerHTML = this.content; - } - else { - throw new Error('Property "content" missing in item ' + this.data.id); - } - changed = true; + else if (this.data.content != undefined) { + dom.content.innerHTML = this.content; } + else { + throw new Error('Property "content" missing in item ' + this.data.id); + } + + this.dirty = true; + } - this._repaintDeleteButton(dom.point); + // update class + var className = (this.data.className? ' ' + this.data.className : '') + + (this.selected ? ' selected' : ''); + if (this.className != className) { + this.className = className; + dom.point.className = 'item point' + className; - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - if (this.className != className) { - this.className = className; - dom.point.className = 'item point' + className; - changed = true; - } + this.dirty = true; } - return changed; + // recalculate size + if (this.dirty) { + this.width = dom.point.offsetWidth; + this.height = dom.point.offsetHeight; + this.props.dot.width = dom.dot.offsetWidth; + this.props.dot.height = dom.dot.offsetHeight; + this.props.content.height = dom.content.offsetHeight; + + // resize contents + dom.content.style.marginLeft = 1.5 * 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'; + + this.dirty = false; + } + + this._repaintDeleteButton(dom.point); }; /** * Show the item in the DOM (when not already visible). The items DOM will * be created when needed. - * @return {Boolean} changed */ ItemPoint.prototype.show = function show() { - if (!this.dom || !this.dom.point.parentNode) { - return this.repaint(); - } - else { - return false; + if (!this.displayed) { + this.repaint(); } }; /** * Hide the item from the DOM (when visible) - * @return {Boolean} changed */ ItemPoint.prototype.hide = function hide() { - var changed = false, - dom = this.dom; - if (dom) { - if (dom.point.parentNode) { - dom.point.parentNode.removeChild(dom.point); - changed = true; + if (this.displayed) { + if (this.dom.point.parentNode) { + this.dom.point.parentNode.removeChild(this.dom.point); } - } - return changed; -}; - -/** - * Reflow the item: calculate its actual size from the DOM - * @return {boolean} resized returns true if the axis is resized - * @override - */ -ItemPoint.prototype.reflow = function reflow() { - var changed = 0, - update, - dom, - props, - options, - margin, - orientation, - start, - top, - data, - range; - - if (this.data.start == undefined) { - throw new Error('Property "start" missing in item ' + this.data.id); - } - data = this.data; - range = this.parent && this.parent.range; - if (data && range) { - // TODO: account for the width of the item - var interval = (range.end - range.start); - this.visible = (data.start > range.start - interval) && (data.start < range.end); - } - else { - this.visible = false; - } + this.top = null; + this.left = null; - if (this.visible) { - dom = this.dom; - if (dom) { - update = util.updateProperty; - props = this.props; - options = this.options; - orientation = options.orientation || this.defaultOptions.orientation; - margin = options.margin && options.margin.axis || this.defaultOptions.margin.axis; - start = this.parent.toScreen(this.data.start) + this.offset; - - changed += update(this, 'width', dom.point.offsetWidth); - changed += update(this, 'height', dom.point.offsetHeight); - changed += update(props.dot, 'width', dom.dot.offsetWidth); - changed += update(props.dot, 'height', dom.dot.offsetHeight); - changed += update(props.content, 'height', dom.content.offsetHeight); - - if (orientation == 'top') { - top = margin; - } - else { - // default or 'bottom' - var parentHeight = this.parent.height; - top = Math.max(parentHeight - this.height - margin, 0); - } - changed += update(this, 'top', top); - changed += update(this, 'left', start - props.dot.width / 2); - changed += update(props.content, 'marginLeft', 1.5 * props.dot.width); - //changed += update(props.content, 'marginRight', 0.5 * props.dot.width); // TODO - - changed += update(props.dot, 'top', (this.height - props.dot.height) / 2); - } - else { - changed += 1; - } + this.displayed = false; } - - return (changed > 0); }; /** - * Create an items DOM - * @private + * Reposition the item horizontally + * @Override */ -ItemPoint.prototype._create = function _create() { - var dom = this.dom; - if (!dom) { - this.dom = dom = {}; - - // background box - dom.point = document.createElement('div'); - // className is updated in repaint() - - // contents box, right from the dot - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.point.appendChild(dom.content); +ItemPoint.prototype.repositionX = function repositionX() { + var start = this.defaultOptions.toScreen(this.data.start); - // dot at start - dom.dot = document.createElement('div'); - dom.dot.className = 'dot'; - dom.point.appendChild(dom.dot); + this.left = start - this.props.dot.width / 2; - // attach this item as attribute - dom.point['timeline-item'] = this; - } + // reposition point + this.dom.point.style.left = this.left + 'px'; }; /** - * Reposition the item, recalculate its left, top, and width, using the current - * range and size of the items itemset - * @override + * Reposition the item vertically + * @Override */ -ItemPoint.prototype.reposition = function reposition() { - var dom = this.dom, - props = this.props; - - if (dom) { - dom.point.style.top = this.top + 'px'; - dom.point.style.left = this.left + 'px'; - - dom.content.style.marginLeft = props.content.marginLeft + 'px'; - //dom.content.style.marginRight = props.content.marginRight + 'px'; // TODO +ItemPoint.prototype.repositionY = function repositionY () { + var orientation = this.options.orientation || this.defaultOptions.orientation, + point = this.dom.point; - dom.dot.style.top = props.dot.top + 'px'; + if (orientation == 'top') { + point.style.top = this.top + 'px'; + point.style.bottom = ''; } -}; + else { + point.style.top = ''; + point.style.bottom = this.top + 'px'; + } +} /** * @constructor ItemRange @@ -6665,90 +6044,120 @@ ItemPoint.prototype.reposition = function reposition() { function ItemRange (parent, data, options, defaultOptions) { this.props = { content: { - left: 0, width: 0 } }; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data.id); + } + if (data.end == undefined) { + throw new Error('Property "end" missing in item ' + data.id); + } + } + Item.call(this, parent, data, options, defaultOptions); } ItemRange.prototype = new Item (null, null); +ItemRange.prototype.baseClassName = 'item range'; + +/** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ +ItemRange.prototype.isVisible = function isVisible (range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); +}; + /** * Repaint the item - * @return {Boolean} changed */ ItemRange.prototype.repaint = function repaint() { - // TODO: make an efficient repaint - var changed = false; var dom = this.dom; - if (!dom) { - this._create(); + // create DOM + this.dom = {}; dom = this.dom; - changed = true; + + // background box + dom.box = document.createElement('div'); + // className is updated in repaint() + + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); + + // attach this item as attribute + dom.box['timeline-item'] = this; } - if (dom) { - if (!this.parent) { - throw new Error('Cannot repaint item: no parent attached'); - } + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot repaint item: no parent attached'); + } + if (!dom.box.parentNode) { var foreground = this.parent.getForeground(); if (!foreground) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no foreground container element'); + throw new Error('Cannot repaint time axis: parent has no foreground container element'); } + foreground.appendChild(dom.box); + } + this.displayed = true; - if (!dom.box.parentNode) { - foreground.appendChild(dom.box); - changed = true; + // update contents + if (this.data.content != this.content) { + this.content = this.data.content; + if (this.content instanceof Element) { + dom.content.innerHTML = ''; + dom.content.appendChild(this.content); } - - // update content - if (this.data.content != this.content) { - this.content = this.data.content; - if (this.content instanceof Element) { - dom.content.innerHTML = ''; - dom.content.appendChild(this.content); - } - else if (this.data.content != undefined) { - dom.content.innerHTML = this.content; - } - else { - throw new Error('Property "content" missing in item ' + this.data.id); - } - changed = true; + else if (this.data.content != undefined) { + dom.content.innerHTML = this.content; + } + else { + throw new Error('Property "content" missing in item ' + this.data.id); } - this._repaintDeleteButton(dom.box); - this._repaintDragLeft(); - this._repaintDragRight(); + this.dirty = true; + } - // update class - var className = (this.data.className ? (' ' + this.data.className) : '') + - (this.selected ? ' selected' : ''); - if (this.className != className) { - this.className = className; - dom.box.className = 'item range' + className; - changed = true; - } + // update class + var className = (this.data.className ? (' ' + this.data.className) : '') + + (this.selected ? ' selected' : ''); + if (this.className != className) { + this.className = className; + dom.box.className = this.baseClassName + className; + + this.dirty = true; + } + + // recalculate size + if (this.dirty) { + this.props.content.width = this.dom.content.offsetWidth; + this.height = this.dom.box.offsetHeight; + + this.dirty = false; } - return changed; + 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. - * @return {Boolean} changed */ ItemRange.prototype.show = function show() { - if (!this.dom || !this.dom.box.parentNode) { - return this.repaint(); - } - else { - return false; + if (!this.displayed) { + this.repaint(); } }; @@ -6757,154 +6166,73 @@ ItemRange.prototype.show = function show() { * @return {Boolean} changed */ ItemRange.prototype.hide = function hide() { - var changed = false, - dom = this.dom; - if (dom) { - if (dom.box.parentNode) { - dom.box.parentNode.removeChild(dom.box); - changed = true; + if (this.displayed) { + var box = this.dom.box; + + if (box.parentNode) { + box.parentNode.removeChild(box); } + + this.top = null; + this.left = null; + + this.displayed = false; } - return changed; }; /** - * Reflow the item: calculate its actual size from the DOM - * @return {boolean} resized returns true if the axis is resized - * @override + * Reposition the item horizontally + * @Override */ -ItemRange.prototype.reflow = function reflow() { - var changed = 0, - dom, - props, - options, - margin, - padding, - parent, - start, - end, - data, - range, - update, - box, - parentWidth, - contentLeft, - orientation, - top; +ItemRange.prototype.repositionX = function repositionX() { + var props = this.props, + parentWidth = this.parent.width, + start = this.defaultOptions.toScreen(this.data.start), + end = this.defaultOptions.toScreen(this.data.end), + padding = 'padding' in this.options ? this.options.padding : this.defaultOptions.padding, + contentLeft; - if (this.data.start == undefined) { - throw new Error('Property "start" missing in item ' + this.data.id); + // limit the width of the this, as browsers cannot draw very wide divs + if (start < -parentWidth) { + start = -parentWidth; } - if (this.data.end == undefined) { - throw new Error('Property "end" missing in item ' + this.data.id); + if (end > 2 * parentWidth) { + end = 2 * parentWidth; } - data = this.data; - range = this.parent && this.parent.range; - if (data && range) { - // TODO: account for the width of the item. Take some margin - this.visible = (data.start < range.end) && (data.end > range.start); + // 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 - props.content.width - 2 * padding)); + // TODO: remove the need for options.padding. it's terrible. } else { - this.visible = false; + contentLeft = 0; } - if (this.visible) { - dom = this.dom; - if (dom) { - props = this.props; - options = this.options; - parent = this.parent; - start = parent.toScreen(this.data.start) + this.offset; - end = parent.toScreen(this.data.end) + this.offset; - update = util.updateProperty; - box = dom.box; - parentWidth = parent.width; - orientation = options.orientation || this.defaultOptions.orientation; - margin = options.margin && options.margin.axis || this.defaultOptions.margin.axis; - padding = options.padding || this.defaultOptions.padding; - - changed += update(props.content, 'width', dom.content.offsetWidth); - - changed += update(this, 'height', box.offsetHeight); - - // 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; - } - - // 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 - props.content.width - 2 * padding)); - // TODO: remove the need for options.padding. it's terrible. - } - else { - contentLeft = 0; - } - changed += update(props.content, 'left', contentLeft); - - if (orientation == 'top') { - top = margin; - changed += update(this, 'top', top); - } - else { - // default or 'bottom' - top = parent.height - this.height - margin; - changed += update(this, 'top', top); - } - - changed += update(this, 'left', start); - changed += update(this, 'width', Math.max(end - start, 1)); // TODO: reckon with border width; - } - else { - changed += 1; - } - } + this.left = start; + this.width = Math.max(end - start, 1); - return (changed > 0); + this.dom.box.style.left = this.left + 'px'; + this.dom.box.style.width = this.width + 'px'; + this.dom.content.style.left = contentLeft + 'px'; }; /** - * Create an items DOM - * @private + * Reposition the item vertically + * @Override */ -ItemRange.prototype._create = function _create() { - var dom = this.dom; - if (!dom) { - this.dom = dom = {}; - // background box - dom.box = document.createElement('div'); - // className is updated in repaint() - - // contents box - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); +ItemRange.prototype.repositionY = function repositionY() { + var orientation = this.options.orientation || this.defaultOptions.orientation, + box = this.dom.box; - // attach this item as attribute - dom.box['timeline-item'] = this; + if (orientation == 'top') { + box.style.top = this.top + 'px'; + box.style.bottom = ''; } -}; - -/** - * Reposition the item, recalculate its left, top, and width, using the current - * range and size of the items itemset - * @override - */ -ItemRange.prototype.reposition = function reposition() { - var dom = this.dom, - props = this.props; - - if (dom) { - dom.box.style.top = this.top + 'px'; - dom.box.style.left = this.left + 'px'; - dom.box.style.width = this.width + 'px'; - - dom.content.style.left = props.content.left + 'px'; + else { + box.style.top = ''; + box.style.bottom = this.top + 'px'; } }; @@ -6986,122 +6314,66 @@ function ItemRangeOverflow (parent, data, options, defaultOptions) { } }; - // define a private property _width, which is the with of the range box - // adhering to the ranges start and end date. The property width has a - // getter which returns the max of border width and content width - this._width = 0; - Object.defineProperty(this, 'width', { - get: function () { - return (this.props.content && this._width < this.props.content.width) ? - this.props.content.width : - this._width; - }, - - set: function (width) { - this._width = width; - } - }); - ItemRange.call(this, parent, data, options, defaultOptions); } ItemRangeOverflow.prototype = new ItemRange (null, null); +ItemRangeOverflow.prototype.baseClassName = 'item rangeoverflow'; + /** - * Repaint the item - * @return {Boolean} changed + * Reposition the item horizontally + * @Override */ -ItemRangeOverflow.prototype.repaint = function repaint() { - // TODO: make an efficient repaint - var changed = false; - var dom = this.dom; +ItemRangeOverflow.prototype.repositionX = function repositionX() { + var parentWidth = this.parent.width, + start = this.defaultOptions.toScreen(this.data.start), + end = this.defaultOptions.toScreen(this.data.end), + padding = 'padding' in this.options ? this.options.padding : this.defaultOptions.padding, + contentLeft; - if (!dom) { - this._create(); - dom = this.dom; - changed = true; + // limit the width of the this, as browsers cannot draw very wide divs + if (start < -parentWidth) { + start = -parentWidth; } - - if (dom) { - if (!this.parent) { - throw new Error('Cannot repaint item: no parent attached'); - } - var foreground = this.parent.getForeground(); - if (!foreground) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no foreground container element'); - } - - if (!dom.box.parentNode) { - foreground.appendChild(dom.box); - changed = true; - } - - // update content - if (this.data.content != this.content) { - this.content = this.data.content; - if (this.content instanceof Element) { - dom.content.innerHTML = ''; - dom.content.appendChild(this.content); - } - else if (this.data.content != undefined) { - dom.content.innerHTML = this.content; - } - else { - throw new Error('Property "content" missing in item ' + this.id); - } - changed = true; - } - - this._repaintDeleteButton(dom.box); - this._repaintDragLeft(); - this._repaintDragRight(); - - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - if (this.className != className) { - this.className = className; - dom.box.className = 'item rangeoverflow' + className; - changed = true; - } + if (end > 2 * parentWidth) { + end = 2 * parentWidth; } - return changed; -}; - -/** - * Reposition the item, recalculate its left, top, and width, using the current - * range and size of the items itemset - * @override - */ -ItemRangeOverflow.prototype.reposition = function reposition() { - var dom = this.dom, - props = this.props; + // when range exceeds left of the window, position the contents at the left of the visible area + contentLeft = Math.max(-start, 0); - if (dom) { - dom.box.style.top = this.top + 'px'; - dom.box.style.left = this.left + 'px'; - dom.box.style.width = this._width + 'px'; + this.left = start; + var boxWidth = Math.max(end - start, 1); + this.width = (this.props.content.width < boxWidth) ? + boxWidth : + start + contentLeft + this.props.content.width; - dom.content.style.left = props.content.left + 'px'; - } + this.dom.box.style.left = this.left + 'px'; + this.dom.box.style.width = boxWidth + 'px'; + this.dom.content.style.left = contentLeft + 'px'; }; /** * @constructor Group - * @param {GroupSet} parent + * @param {Panel} groupPanel + * @param {Panel} labelPanel + * @param {Panel} backgroundPanel + * @param {Panel} axisPanel * @param {Number | String} groupId * @param {Object} [options] Options to set initial property values * // TODO: describe available options * @extends Component */ -function Group (parent, groupId, options) { +function Group (groupPanel, labelPanel, backgroundPanel, axisPanel, groupId, options) { this.id = util.randomUUID(); - this.parent = parent; + this.groupPanel = groupPanel; + this.labelPanel = labelPanel; + this.backgroundPanel = backgroundPanel; + this.axisPanel = axisPanel; this.groupId = groupId; - this.itemset = null; // ItemSet + this.itemSet = null; // ItemSet this.options = options || {}; this.options.top = 0; @@ -7112,10 +6384,14 @@ function Group (parent, groupId, options) { } }; + this.dom = {}; + this.top = 0; this.left = 0; this.width = 0; this.height = 0; + + this._create(); } Group.prototype = new Component(); @@ -7124,47 +6400,131 @@ Group.prototype = new Component(); Group.prototype.setOptions = Component.prototype.setOptions; /** - * Get the container element of the panel, which can be used by a child to - * add its own widgets. - * @returns {HTMLElement} container + * Create DOM elements for the group + * @private + */ +Group.prototype._create = function() { + var label = document.createElement('div'); + label.className = 'vlabel'; + this.dom.label = label; + + var inner = document.createElement('div'); + inner.className = 'inner'; + label.appendChild(inner); + this.dom.inner = inner; +}; + +/** + * Set the group data for this group + * @param {Object} data Group data, can contain properties content and className */ -Group.prototype.getContainer = function () { - return this.parent.getContainer(); +Group.prototype.setData = function setData(data) { + // update contents + var content = data && data.content; + if (content instanceof Element) { + this.dom.inner.appendChild(content); + } + else if (content != undefined) { + this.dom.inner.innerHTML = content; + } + else { + this.dom.inner.innerHTML = this.groupId; + } + + // update className + var className = data && data.className; + if (className) { + util.addClassName(this.dom.label, className); + } }; /** - * Set item set for the group. The group will create a view on the itemset, + * Set item set for the group. The group will create a view on the itemSet, * filtered by the groups id. - * @param {DataSet | DataView} items + * @param {DataSet | DataView} itemsData */ -Group.prototype.setItems = function setItems(items) { - if (this.itemset) { +Group.prototype.setItems = function setItems(itemsData) { + if (this.itemSet) { // remove current item set - this.itemset.hide(); - this.itemset.setItems(); - - this.parent.controller.remove(this.itemset); - this.itemset = null; + this.itemSet.setItems(); + this.itemSet.hide(); + this.groupPanel.frame.removeChild(this.itemSet.getFrame()); + this.itemSet = null; } - if (items) { + if (itemsData) { var groupId = this.groupId; - var itemsetOptions = Object.create(this.options); - this.itemset = new ItemSet(this, null, itemsetOptions); - this.itemset.setRange(this.parent.range); + var me = this; + var itemSetOptions = util.extend(this.options, { + height: function () { + // FIXME: setting height doesn't yet work + return Math.max(me.props.label.height, me.itemSet.height); + } + }); + this.itemSet = new ItemSet(this.backgroundPanel, this.axisPanel, itemSetOptions); + this.itemSet.on('change', this.emit.bind(this, 'change')); // propagate change event + this.itemSet.parent = this; + this.groupPanel.frame.appendChild(this.itemSet.getFrame()); + + if (this.range) this.itemSet.setRange(this.range); - this.view = new DataView(items, { + this.view = new DataView(itemsData, { filter: function (item) { return item.group == groupId; } }); - this.itemset.setItems(this.view); + this.itemSet.setItems(this.view); + } +}; + +/** + * hide the group, detach from DOM if needed + */ +Group.prototype.show = function show() { + if (!this.dom.label.parentNode) { + this.labelPanel.frame.appendChild(this.dom.label); + } + + var itemSetFrame = this.itemSet && this.itemSet.getFrame(); + if (itemSetFrame) { + if (itemSetFrame.parentNode) { + itemSetFrame.parentNode.removeChild(itemSetFrame); + } + this.groupPanel.frame.appendChild(itemSetFrame); + + this.itemSet.show(); + } +}; + +/** + * hide the group, detach from DOM if needed + */ +Group.prototype.hide = function hide() { + if (this.dom.label.parentNode) { + this.dom.label.parentNode.removeChild(this.dom.label); + } + + if (this.itemSet) { + this.itemSet.hide(); + } - this.parent.controller.add(this.itemset); + var itemSetFrame = this.itemset && this.itemSet.getFrame(); + if (itemSetFrame && itemSetFrame.parentNode) { + itemSetFrame.parentNode.removeChild(itemSetFrame); } }; +/** + * Set range (start and end). + * @param {Range | Object} range A Range or an object containing start and end. + */ +Group.prototype.setRange = function (range) { + this.range = range; + + if (this.itemSet) this.itemSet.setRange(range); +}; + /** * Set selected items by their id. Replaces the current selection. * Unknown id's are silently ignored. @@ -7173,7 +6533,7 @@ Group.prototype.setItems = function setItems(items) { * unselected. */ Group.prototype.setSelection = function setSelection(ids) { - if (this.itemset) this.itemset.setSelection(ids); + if (this.itemSet) this.itemSet.setSelection(ids); }; /** @@ -7181,58 +6541,53 @@ Group.prototype.setSelection = function setSelection(ids) { * @return {Array} ids The ids of the selected items */ Group.prototype.getSelection = function getSelection() { - return this.itemset ? this.itemset.getSelection() : []; + return this.itemSet ? this.itemSet.getSelection() : []; }; /** - * Repaint the item - * @return {Boolean} changed + * Repaint the group + * @return {boolean} Returns true if the component is resized */ Group.prototype.repaint = function repaint() { - return false; -}; + var resized = false; -/** - * Reflow the item - * @return {Boolean} resized - */ -Group.prototype.reflow = function reflow() { - var changed = 0, - update = util.updateProperty; + this.show(); - changed += update(this, 'top', this.itemset ? this.itemset.top : 0); - changed += update(this, 'height', this.itemset ? this.itemset.height : 0); + if (this.itemSet) { + resized = this.itemSet.repaint() || resized; + } - // TODO: reckon with the height of the group label + // calculate inner size of the label + resized = util.updateProperty(this.props.label, 'width', this.dom.inner.clientWidth) || resized; + resized = util.updateProperty(this.props.label, 'height', this.dom.inner.clientHeight) || resized; - if (this.label) { - var inner = this.label.firstChild; - changed += update(this.props.label, 'width', inner.clientWidth); - changed += update(this.props.label, 'height', inner.clientHeight); - } - else { - changed += update(this.props.label, 'width', 0); - changed += update(this.props.label, 'height', 0); - } + this.height = this.itemSet ? this.itemSet.height : 0; + + this.dom.label.style.height = this.height + 'px'; - return (changed > 0); + return resized; }; /** * An GroupSet holds a set of groups - * @param {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) + * @param {Panel} contentPanel Panel where the ItemSets will be created + * @param {Panel} labelPanel Panel where the labels will be created + * @param {Panel} backgroundPanel Panel where the vertical lines of box + * items are created + * @param {Panel} axisPanel Panel on the axis where the dots of box + * items will be created * @param {Object} [options] See GroupSet.setOptions for the available * options. * @constructor GroupSet * @extends Panel */ -function GroupSet(parent, depends, options) { +function GroupSet(contentPanel, labelPanel, backgroundPanel, axisPanel, options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; + this.contentPanel = contentPanel; + this.labelPanel = labelPanel; + this.backgroundPanel = backgroundPanel; + this.axisPanel = axisPanel; this.options = options || {}; this.range = null; // Range or Object {start: number, end: number} @@ -7240,6 +6595,7 @@ function GroupSet(parent, depends, options) { this.groupsData = null; // DataSet with groups this.groups = {}; // map with groups + this.groupIds = []; // list with ordered group ids this.dom = {}; this.props = { @@ -7248,10 +6604,7 @@ function GroupSet(parent, depends, options) { } }; - // TODO: implement right orientation of the labels - - // changes in groups are queued key/value map containing id/action - this.queue = {}; + // TODO: implement right orientation of the labels (left/right) var me = this; this.listeners = { @@ -7265,10 +6618,40 @@ function GroupSet(parent, depends, options) { me._onRemove(params.items); } }; + + // create HTML DOM + this._create(); } GroupSet.prototype = new Panel(); +/** + * Create the HTML DOM elements for the GroupSet + * @private + */ +GroupSet.prototype._create = function _create () { + // TODO: reimplement groupSet DOM elements + var frame = document.createElement('div'); + frame.className = 'groupset'; + frame['timeline-groupset'] = this; + this.frame = frame; + + this.labelSet = new Panel({ + className: 'labelset', + width: '100%', + height: '100%' + }); + this.labelPanel.appendChild(this.labelSet); +}; + +/** + * Get the frame element of component + * @returns {null} Get frame is not supported by GroupSet + */ +GroupSet.prototype.getFrame = function getFrame() { + return this.frame; +}; + /** * Set options for the GroupSet. Existing options will be extended/overwritten. * @param {Object} [options] The following options are available: @@ -7277,8 +6660,18 @@ GroupSet.prototype = new Panel(); */ GroupSet.prototype.setOptions = Component.prototype.setOptions; +/** + * Set range (start and end). + * @param {Range | Object} range A Range or an object containing start and end. + */ GroupSet.prototype.setRange = function (range) { - // TODO: implement setRange + this.range = range; + + for (var id in this.groups) { + if (this.groups.hasOwnProperty(id)) { + this.groups[id].setRange(range); + } + } }; /** @@ -7291,6 +6684,7 @@ GroupSet.prototype.setItems = function setItems(items) { for (var id in this.groups) { if (this.groups.hasOwnProperty(id)) { var group = this.groups[id]; + // TODO: every group will emit a change event, causing a lot of unnecessary repaints. improve this. group.setItems(items); } } @@ -7359,6 +6753,8 @@ GroupSet.prototype.setGroups = function setGroups(groups) { ids = this.groupsData.getIds(); this._onAdd(ids); } + + this.emit('change'); }; /** @@ -7412,313 +6808,117 @@ GroupSet.prototype.getSelection = function getSelection() { /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component was resized since previous repaint */ GroupSet.prototype.repaint = function repaint() { - var changed = 0, - i, id, group, label, - update = util.updateProperty, + var i, id, group, asSize = util.option.asSize, - asElement = util.option.asElement, + asString = util.option.asString, options = this.options, - frame = this.dom.frame, - labels = this.dom.labels, - labelSet = this.dom.labelSet; - - // create frame - if (!this.parent) { - throw new Error('Cannot repaint groupset: no parent attached'); - } - var parentContainer = this.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint groupset: parent has no container element'); - } - if (!frame) { - frame = document.createElement('div'); - frame.className = 'groupset'; - frame['timeline-groupset'] = this; - this.dom.frame = frame; - - var className = options.className; - if (className) { - util.addClassName(frame, util.option.asString(className)); - } - - changed += 1; - } - if (!frame.parentNode) { - parentContainer.appendChild(frame); - changed += 1; - } - - // create labels - var labelContainer = asElement(options.labelContainer); - if (!labelContainer) { - throw new Error('Cannot repaint groupset: option "labelContainer" not defined'); - } - if (!labels) { - labels = document.createElement('div'); - labels.className = 'labels'; - this.dom.labels = labels; - } - if (!labelSet) { - labelSet = document.createElement('div'); - labelSet.className = 'label-set'; - labels.appendChild(labelSet); - this.dom.labelSet = labelSet; - } - if (!labels.parentNode || labels.parentNode != labelContainer) { - if (labels.parentNode) { - labels.parentNode.removeChild(labels.parentNode); - } - labelContainer.appendChild(labels); - } - - // reposition frame - changed += update(frame.style, 'height', asSize(options.height, this.height + 'px')); - changed += update(frame.style, 'top', asSize(options.top, '0px')); - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - - // reposition labels - changed += update(labelSet.style, 'top', asSize(options.top, '0px')); - changed += update(labelSet.style, 'height', asSize(options.height, this.height + 'px')); - - var me = this, - queue = this.queue, - groups = this.groups, - groupsData = this.groupsData; - - // show/hide added/changed/removed groups - var ids = Object.keys(queue); - if (ids.length) { - ids.forEach(function (id) { - var action = queue[id]; - var group = groups[id]; - - //noinspection FallthroughInSwitchStatementJS - switch (action) { - case 'add': - case 'update': - if (!group) { - var groupOptions = Object.create(me.options); - util.extend(groupOptions, { - height: null, - maxHeight: null - }); - - group = new Group(me, id, groupOptions); - group.setItems(me.itemsData); // attach items data - groups[id] = group; - - me.controller.add(group); - } - - // TODO: update group data - group.data = groupsData.get(id); - - delete queue[id]; - break; - - case 'remove': - if (group) { - group.setItems(); // detach items data - delete groups[id]; - - me.controller.remove(group); - } - - // update lists - delete queue[id]; - break; - - default: - console.log('Error: unknown action "' + action + '"'); - } - }); - - // the groupset depends on each of the groups - //this.depends = this.groups; // TODO: gives a circular reference through the parent - - // TODO: apply dependencies of the groupset - - // update the top positions of the groups in the correct order - var orderedGroups = this.groupsData.getIds({ - order: this.options.groupOrder - }); - for (i = 0; i < orderedGroups.length; i++) { - (function (group, prevGroup) { - var top = 0; - if (prevGroup) { - top = function () { - // TODO: top must reckon with options.maxHeight - return prevGroup.top + prevGroup.height; - } - } - group.setOptions({ - top: top - }); - })(groups[orderedGroups[i]], groups[orderedGroups[i - 1]]); - } - - // (re)create the labels - while (labelSet.firstChild) { - labelSet.removeChild(labelSet.firstChild); - } - for (i = 0; i < orderedGroups.length; i++) { - id = orderedGroups[i]; - label = this._createLabel(id); - labelSet.appendChild(label); - } - - changed++; - } - - // reposition the labels - // TODO: labels are not displayed correctly when orientation=='top' - // TODO: width of labelPanel is not immediately updated on a change in groups - for (id in groups) { - if (groups.hasOwnProperty(id)) { - group = groups[id]; - label = group.label; - if (label) { - label.style.top = group.top + 'px'; - label.style.height = group.height + 'px'; - } - } - } - - return (changed > 0); -}; + orientation = this.getOption('orientation'), + frame = this.frame, + resized = false, + groups = this.groups; -/** - * Create a label for group with given id - * @param {Number} id - * @return {Element} label - * @private - */ -GroupSet.prototype._createLabel = function(id) { - var group = this.groups[id]; - var label = document.createElement('div'); - label.className = 'vlabel'; - var inner = document.createElement('div'); - inner.className = 'inner'; - label.appendChild(inner); + // repaint all groups in order + this.groupIds.forEach(function (id) { + var groupResized = groups[id].repaint(); + resized = resized || groupResized; + }); - var content = group.data && group.data.content; - if (content instanceof Element) { - inner.appendChild(content); - } - else if (content != undefined) { - inner.innerHTML = content; + // reposition the labels and calculate the maximum label width + var maxWidth = 0; + for (id in groups) { + if (groups.hasOwnProperty(id)) { + group = groups[id]; + maxWidth = Math.max(maxWidth, group.props.label.width); + } } + resized = util.updateProperty(this.props.labels, 'width', maxWidth) || resized; - var className = group.data && group.data.className; - if (className) { - util.addClassName(label, className); + // recalculate the height of the groupset, and recalculate top positions of the groups + var fixedHeight = (asSize(options.height) != null); + var height; + if (!fixedHeight) { + // height is not specified, calculate the sum of the height of all groups + height = 0; + + this.groupIds.forEach(function (id) { + var group = groups[id]; + group.top = height; + if (group.itemSet) group.itemSet.top = group.top; // TODO: this is an ugly hack + height += group.height; + }); } - group.label = label; // TODO: not so nice, parking labels in the group this way!!! + // update classname + frame.className = 'groupset' + (options.className ? (' ' + asString(options.className)) : ''); - return label; + // calculate actual size and position + this.top = frame.offsetTop; + this.left = frame.offsetLeft; + this.width = frame.offsetWidth; + this.height = height; + + return resized; }; /** - * Get container element - * @return {HTMLElement} container + * Update the groupIds. Requires a repaint afterwards + * @private */ -GroupSet.prototype.getContainer = function getContainer() { - return this.dom.frame; +GroupSet.prototype._updateGroupIds = function () { + // reorder the groups + this.groupIds = this.groupsData.getIds({ + order: this.options.groupOrder + }); + + // hide the groups now, they will be shown again in the next repaint + // in correct order + var groups = this.groups; + this.groupIds.forEach(function (id) { + groups[id].hide(); + }); }; /** * Get the width of the group labels * @return {Number} width */ -GroupSet.prototype.getLabelsWidth = function getContainer() { +GroupSet.prototype.getLabelsWidth = function getLabelsWidth() { return this.props.labels.width; }; -/** - * Reflow the component - * @return {Boolean} resized - */ -GroupSet.prototype.reflow = function reflow() { - var changed = 0, - id, group, - options = this.options, - update = util.updateProperty, - asNumber = util.option.asNumber, - asSize = util.option.asSize, - frame = this.dom.frame; - - if (frame) { - var maxHeight = asNumber(options.maxHeight); - var fixedHeight = (asSize(options.height) != null); - var height; - if (fixedHeight) { - height = frame.offsetHeight; - } - else { - // height is not specified, calculate the sum of the height of all groups - height = 0; - - for (id in this.groups) { - if (this.groups.hasOwnProperty(id)) { - group = this.groups[id]; - height += group.height; - } - } - } - if (maxHeight != null) { - height = Math.min(height, maxHeight); - } - changed += update(this, 'height', height); - - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - changed += update(this, 'width', frame.offsetWidth); - } - - // calculate the maximum width of the labels - var width = 0; - for (id in this.groups) { - if (this.groups.hasOwnProperty(id)) { - group = this.groups[id]; - var labelWidth = group.props && group.props.label && group.props.label.width || 0; - width = Math.max(width, labelWidth); - } - } - changed += update(this.props.labels, 'width', width); - - return (changed > 0); -}; - /** * Hide the component from the DOM - * @return {Boolean} changed */ GroupSet.prototype.hide = function hide() { - if (this.dom.frame && this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - return true; - } - else { - return false; + // hide labelset + this.labelPanel.removeChild(this.labelSet); + + // hide each of the groups + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + this.groups[groupId].hide(); + } } }; /** * Show the component in the DOM (when not already visible). - * A repaint will be executed when the component is not visible * @return {Boolean} changed */ GroupSet.prototype.show = function show() { - if (!this.dom.frame || !this.dom.frame.parentNode) { - return this.repaint(); + // show label set + if (!this.labelPanel.hasChild(this.labelSet)) { + this.labelPanel.removeChild(this.labelSet); } - else { - return false; + + // show each of the groups + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + this.groups[groupId].show(); + } } }; @@ -7728,7 +6928,7 @@ GroupSet.prototype.show = function show() { * @private */ GroupSet.prototype._onUpdate = function _onUpdate(ids) { - this._toQueue(ids, 'update'); + this._onAdd(ids); }; /** @@ -7737,7 +6937,31 @@ GroupSet.prototype._onUpdate = function _onUpdate(ids) { * @private */ GroupSet.prototype._onAdd = function _onAdd(ids) { - this._toQueue(ids, 'add'); + var me = this; + + ids.forEach(function (id) { + var group = me.groups[id]; + if (!group) { + var groupOptions = Object.create(me.options); + util.extend(groupOptions, { + height: null + }); + + group = new Group(me, me.labelSet, me.backgroundPanel, me.axisPanel, id, groupOptions); + group.on('change', me.emit.bind(me, 'change')); // propagate change event + group.setRange(me.range); + group.setItems(me.itemsData); // attach items data + me.groups[id] = group; + group.parent = me; + } + + // update group data + group.setData(me.groupsData.get(id)); + }); + + this._updateGroupIds(); + + this.emit('change'); }; /** @@ -7746,50 +6970,61 @@ GroupSet.prototype._onAdd = function _onAdd(ids) { * @private */ GroupSet.prototype._onRemove = function _onRemove(ids) { - this._toQueue(ids, 'remove'); -}; - -/** - * Put groups in the queue to be added/updated/remove - * @param {Number[]} ids - * @param {String} action can be 'add', 'update', 'remove' - */ -GroupSet.prototype._toQueue = function _toQueue(ids, action) { - var queue = this.queue; + var groups = this.groups; ids.forEach(function (id) { - queue[id] = action; + var group = groups[id]; + + if (group) { + group.setItems(); // detach items data + group.hide(); // FIXME: for some reason when doing setItems after hide, setItems again makes the label visible + delete groups[id]; + } }); - if (this.controller) { - //this.requestReflow(); - this.requestRepaint(); - } + this._updateGroupIds(); + + this.emit('change'); }; /** - * Find the Group from an event target: + * Find the GroupSet from an event target: * searches for the attribute 'timeline-groupset' in the event target's element * tree, then finds the right group in this groupset * @param {Event} event * @return {Group | null} group */ -GroupSet.groupFromTarget = function groupFromTarget (event) { - var groupset, - target = event.target; - +GroupSet.groupSetFromTarget = function groupSetFromTarget (event) { + var target = event.target; while (target) { if (target.hasOwnProperty('timeline-groupset')) { - groupset = target['timeline-groupset']; - break; + return target['timeline-groupset']; } target = target.parentNode; } - if (groupset) { - for (var groupId in groupset.groups) { - if (groupset.groups.hasOwnProperty(groupId)) { - var group = groupset.groups[groupId]; - if (group.itemset && ItemSet.itemSetFromTarget(event) == group.itemset) { + return null; +}; + +/** + * Find the Group from an event target: + * searches for the two elements having attributes 'timeline-groupset' and + * 'timeline-itemset' in the event target's element, then finds the right group. + * @param {Event} event + * @return {Group | null} group + */ +GroupSet.groupFromTarget = function groupFromTarget (event) { + // find the groupSet + var groupSet = GroupSet.groupSetFromTarget(event); + + // find the ItemSet + var itemSet = ItemSet.itemSetFromTarget(event); + + // find the right group + if (groupSet && itemSet) { + for (var groupId in groupSet.groups) { + if (groupSet.groups.hasOwnProperty(groupId)) { + var group = groupSet.groups[groupId]; + if (group.itemSet == itemSet) { return group; } } @@ -7807,10 +7042,14 @@ GroupSet.groupFromTarget = function groupFromTarget (event) { * @constructor */ function Timeline (container, items, options) { + // validate arguments + if (!container) throw new Error('No container element provided'); + var me = this; var now = moment().hours(0).minutes(0).seconds(0).milliseconds(0); this.options = { orientation: 'bottom', + direction: 'horizontal', // 'horizontal' or 'vertical' autoResize: true, editable: false, selectable: true, @@ -7828,6 +7067,14 @@ function Timeline (container, items, options) { showCurrentTime: false, showCustomTime: false, + type: 'box', + align: 'center', + margin: { + axis: 20, + item: 10 + }, + padding: 5, + onAdd: function (item, callback) { callback(item); }, @@ -7839,109 +7086,194 @@ function Timeline (container, items, options) { }, onRemove: function (item, callback) { callback(item); - } - }; + }, - // controller - this.controller = new Controller(); + toScreen: me._toScreen.bind(me), + toTime: me._toTime.bind(me) + }; // root panel - if (!container) { - throw new Error('No container element provided'); - } - var rootOptions = Object.create(this.options); - rootOptions.height = function () { - // TODO: change to height - if (me.options.height) { - // fixed height - return me.options.height; - } - else { - // auto height - return (me.timeaxis.height + me.content.height) + 'px'; + var rootOptions = util.extend(Object.create(this.options), { + height: function () { + if (me.options.height) { + // fixed height + return me.options.height; + } + else { + // auto height + // TODO: implement a css based solution to automatically have the right hight + return (me.timeAxis.height + me.contentPanel.height) + 'px'; + } } - }; + }); this.rootPanel = new RootPanel(container, rootOptions); - this.controller.add(this.rootPanel); // single select (or unselect) when tapping an item - this.controller.on('tap', this._onSelectItem.bind(this)); + this.rootPanel.on('tap', this._onSelectItem.bind(this)); // multi select when holding mouse/touch, or on ctrl+click - this.controller.on('hold', this._onMultiSelectItem.bind(this)); + this.rootPanel.on('hold', this._onMultiSelectItem.bind(this)); // add item on doubletap - this.controller.on('doubletap', this._onAddItem.bind(this)); + this.rootPanel.on('doubletap', this._onAddItem.bind(this)); - // item panel - var itemOptions = Object.create(this.options); - itemOptions.left = function () { - return me.labelPanel.width; - }; - itemOptions.width = function () { - return me.rootPanel.width - me.labelPanel.width; - }; - itemOptions.top = null; - itemOptions.height = null; - this.itemPanel = new Panel(this.rootPanel, [], itemOptions); - this.controller.add(this.itemPanel); - - // label panel - var labelOptions = Object.create(this.options); - labelOptions.top = null; - labelOptions.left = null; - labelOptions.height = null; - labelOptions.width = function () { - if (me.content && typeof me.content.getLabelsWidth === 'function') { - return me.content.getLabelsWidth(); - } - else { - return 0; + // side panel + var sideOptions = util.extend(Object.create(this.options), { + top: function () { + return (sideOptions.orientation == 'top') ? '0' : ''; + }, + bottom: function () { + return (sideOptions.orientation == 'top') ? '' : '0'; + }, + left: '0', + right: null, + height: '100%', + width: function () { + if (me.groupSet) { + return me.groupSet.getLabelsWidth(); + } + else { + return 0; + } + }, + className: function () { + return 'side' + (me.groupsData ? '' : ' hidden'); } - }; - this.labelPanel = new Panel(this.rootPanel, [], labelOptions); - this.controller.add(this.labelPanel); + }); + this.sidePanel = new Panel(sideOptions); + this.rootPanel.appendChild(this.sidePanel); + + // main panel (contains time axis and itemsets) + var mainOptions = util.extend(Object.create(this.options), { + left: function () { + // we align left to enable a smooth resizing of the window + return me.sidePanel.width; + }, + right: null, + height: '100%', + width: function () { + return me.rootPanel.width - me.sidePanel.width; + }, + className: 'main' + }); + this.mainPanel = new Panel(mainOptions); + this.rootPanel.appendChild(this.mainPanel); // range + // TODO: move range inside rootPanel? var rangeOptions = Object.create(this.options); - this.range = new Range(rangeOptions); + this.range = new Range(this.rootPanel, this.mainPanel, rangeOptions); this.range.setRange( now.clone().add('days', -3).valueOf(), now.clone().add('days', 4).valueOf() ); - - this.range.subscribe(this.controller, this.rootPanel, 'move', 'horizontal'); - this.range.subscribe(this.controller, this.rootPanel, 'zoom', 'horizontal'); this.range.on('rangechange', function (properties) { - var force = true; - me.controller.emit('rangechange', properties); - me.controller.emit('request-reflow', force); + me.rootPanel.repaint(); + me.emit('rangechange', properties); }); this.range.on('rangechanged', function (properties) { - var force = true; - me.controller.emit('rangechanged', properties); - me.controller.emit('request-reflow', force); + me.rootPanel.repaint(); + me.emit('rangechanged', properties); + }); + + // panel with time axis + var timeAxisOptions = util.extend(Object.create(rootOptions), { + range: this.range, + left: null, + top: null, + width: null, + height: null + }); + this.timeAxis = new TimeAxis(timeAxisOptions); + this.timeAxis.setRange(this.range); + this.options.snap = this.timeAxis.snap.bind(this.timeAxis); + this.mainPanel.appendChild(this.timeAxis); + + // content panel (contains itemset(s)) + var contentOptions = util.extend(Object.create(this.options), { + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + left: null, + right: null, + height: null, + width: null, + className: 'content' + }); + this.contentPanel = new Panel(contentOptions); + this.mainPanel.appendChild(this.contentPanel); + + // content panel (contains the vertical lines of box items) + var backgroundOptions = util.extend(Object.create(this.options), { + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + left: null, + right: null, + height: function () { + return me.contentPanel.height; + }, + width: null, + className: 'background' + }); + this.backgroundPanel = new Panel(backgroundOptions); + this.mainPanel.insertBefore(this.backgroundPanel, this.contentPanel); + + // panel with axis holding the dots of item boxes + var axisPanelOptions = util.extend(Object.create(rootOptions), { + left: 0, + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + width: '100%', + height: 0, + className: 'axis' }); + this.axisPanel = new Panel(axisPanelOptions); + this.mainPanel.appendChild(this.axisPanel); - // time axis - var timeaxisOptions = Object.create(rootOptions); - timeaxisOptions.range = this.range; - timeaxisOptions.left = null; - timeaxisOptions.top = null; - timeaxisOptions.width = '100%'; - timeaxisOptions.height = null; - this.timeaxis = new TimeAxis(this.itemPanel, [], timeaxisOptions); - this.timeaxis.setRange(this.range); - this.controller.add(this.timeaxis); - this.options.snap = this.timeaxis.snap.bind(this.timeaxis); + // content panel (contains itemset(s)) + var sideContentOptions = util.extend(Object.create(this.options), { + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + left: null, + right: null, + height: null, + width: null, + className: 'side-content' + }); + this.sideContentPanel = new Panel(sideContentOptions); + this.sidePanel.appendChild(this.sideContentPanel); // current time bar - this.currenttime = new CurrentTime(this.timeaxis, [], rootOptions); - this.controller.add(this.currenttime); + // Note: time bar will be attached in this.setOptions when selected + this.currentTime = new CurrentTime(this.range, rootOptions); // custom time bar - this.customtime = new CustomTime(this.timeaxis, [], rootOptions); - this.controller.add(this.customtime); + // Note: time bar will be attached in this.setOptions when selected + this.customTime = new CustomTime(rootOptions); + this.customTime.on('timechange', function (time) { + me.emit('timechange', time); + }); + this.customTime.on('timechanged', function (time) { + me.emit('timechanged', time); + }); + + this.itemSet = null; + this.groupSet = null; // create groupset this.setGroups(null); @@ -7960,24 +7292,8 @@ function Timeline (container, items, options) { } } -/** - * Add an event listener to the timeline - * @param {String} event Available events: select, rangechange, rangechanged, - * timechange, timechanged - * @param {function} callback - */ -Timeline.prototype.on = function on (event, callback) { - this.controller.on(event, callback); -}; - -/** - * Add an event listener from the timeline - * @param {String} event - * @param {function} callback - */ -Timeline.prototype.off = function off (event, callback) { - this.controller.off(event, callback); -}; +// turn Timeline into an event emitter +Emitter(Timeline.prototype); /** * Set options @@ -8009,8 +7325,34 @@ Timeline.prototype.setOptions = function (options) { }).bind(this); ['onAdd', 'onUpdate', 'onRemove', 'onMove'].forEach(validateCallback); - this.controller.reflow(); - this.controller.repaint(); + // add/remove the current time bar + if (this.options.showCurrentTime) { + if (!this.mainPanel.hasChild(this.currentTime)) { + this.mainPanel.appendChild(this.currentTime); + this.currentTime.start(); + } + } + else { + if (this.mainPanel.hasChild(this.currentTime)) { + this.currentTime.stop(); + this.mainPanel.removeChild(this.currentTime); + } + } + + // add/remove the custom time bar + if (this.options.showCustomTime) { + if (!this.mainPanel.hasChild(this.customTime)) { + this.mainPanel.appendChild(this.customTime); + } + } + else { + if (this.mainPanel.hasChild(this.customTime)) { + this.mainPanel.removeChild(this.customTime); + } + } + + // repaint everything + this.rootPanel.repaint(); }; /** @@ -8018,11 +7360,11 @@ Timeline.prototype.setOptions = function (options) { * @param {Date} time */ Timeline.prototype.setCustomTime = function (time) { - if (!this.customtime) { + if (!this.customTime) { throw new Error('Cannot get custom time: Custom time bar is not enabled'); } - this.customtime.setCustomTime(time); + this.customTime.setCustomTime(time); }; /** @@ -8030,11 +7372,11 @@ Timeline.prototype.setCustomTime = function (time) { * @return {Date} customTime */ Timeline.prototype.getCustomTime = function() { - if (!this.customtime) { + if (!this.customTime) { throw new Error('Cannot get custom time: Custom time bar is not enabled'); } - return this.customtime.getCustomTime(); + return this.customTime.getCustomTime(); }; /** @@ -8064,7 +7406,7 @@ Timeline.prototype.setItems = function(items) { // set items this.itemsData = newDataSet; - this.content.setItems(newDataSet); + (this.itemSet || this.groupSet).setItems(newDataSet); if (initialLoad && (this.options.start == undefined || this.options.end == undefined)) { // apply the data range as range @@ -8100,78 +7442,62 @@ Timeline.prototype.setItems = function(items) { /** * Set groups - * @param {vis.DataSet | Array | google.visualization.DataTable} groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groupSet */ -Timeline.prototype.setGroups = function(groups) { +Timeline.prototype.setGroups = function(groupSet) { var me = this; - this.groupsData = groups; + this.groupsData = groupSet; + + // create options for the itemset or groupset + var options = util.extend(Object.create(this.options), { + top: null, + bottom: null, + right: null, + left: null, + width: null, + height: null + }); - // switch content type between ItemSet or GroupSet when needed - var Type = this.groupsData ? GroupSet : ItemSet; - if (!(this.content instanceof Type)) { - // remove old content set - if (this.content) { - this.content.hide(); - if (this.content.setItems) { - this.content.setItems(); // disconnect from items - } - if (this.content.setGroups) { - this.content.setGroups(); // disconnect from groups - } - this.controller.remove(this.content); - } + if (this.groupsData) { + // Create a GroupSet - // create new content set - var options = Object.create(this.options); - util.extend(options, { - top: function () { - if (me.options.orientation == 'top') { - return me.timeaxis.height; - } - else { - return me.itemPanel.height - me.timeaxis.height - me.content.height; - } - }, - left: null, - width: '100%', - height: function () { - if (me.options.height) { - // fixed height - return me.itemPanel.height - me.timeaxis.height; - } - else { - // auto height - return null; - } - }, - maxHeight: function () { - // TODO: change maxHeight to be a css string like '100%' or '300px' - if (me.options.maxHeight) { - if (!util.isNumber(me.options.maxHeight)) { - throw new TypeError('Number expected for property maxHeight'); - } - return me.options.maxHeight - me.timeaxis.height; - } - else { - return null; - } - }, - labelContainer: function () { - return me.labelPanel.getContainer(); - } - }); + // remove itemset if existing + if (this.itemSet) { + this.itemSet.hide(); // TODO: not so nice having to hide here + this.contentPanel.removeChild(this.itemSet); + this.itemSet.setItems(); // disconnect from itemset + this.itemSet = null; + } - this.content = new Type(this.itemPanel, [this.timeaxis], options); - if (this.content.setRange) { - this.content.setRange(this.range); + // create new GroupSet when needed + if (!this.groupSet) { + this.groupSet = new GroupSet(this.contentPanel, this.sideContentPanel, this.backgroundPanel, this.axisPanel, options); + this.groupSet.on('change', this.rootPanel.repaint.bind(this.rootPanel)); + this.groupSet.setRange(this.range); + this.groupSet.setItems(this.itemsData); + this.groupSet.setGroups(this.groupsData); + this.contentPanel.appendChild(this.groupSet); } - if (this.content.setItems) { - this.content.setItems(this.itemsData); + else { + this.groupSet.setGroups(this.groupsData); } - if (this.content.setGroups) { - this.content.setGroups(this.groupsData); + } + else { + // ItemSet + if (this.groupSet) { + this.groupSet.hide(); // TODO: not so nice having to hide here + //this.groupSet.setGroups(); // disconnect from groupset + this.groupSet.setItems(); // disconnect from itemset + this.contentPanel.removeChild(this.groupSet); + this.groupSet = null; } - this.controller.add(this.content); + + // create new items + this.itemSet = new ItemSet(this.backgroundPanel, this.axisPanel, options); + this.itemSet.setRange(this.range); + this.itemSet.setItems(this.itemsData); + this.itemSet.on('change', me.rootPanel.repaint.bind(me.rootPanel)); + this.contentPanel.appendChild(this.itemSet); } }; @@ -8222,7 +7548,9 @@ Timeline.prototype.getItemRange = function getItemRange() { * unselected. */ Timeline.prototype.setSelection = function setSelection (ids) { - if (this.content) this.content.setSelection(ids); + var itemOrGroupSet = (this.itemSet || this.groupSet); + + if (itemOrGroupSet) itemOrGroupSet.setSelection(ids); }; /** @@ -8230,7 +7558,9 @@ Timeline.prototype.setSelection = function setSelection (ids) { * @return {Array} ids The ids of the selected items */ Timeline.prototype.getSelection = function getSelection() { - return this.content ? this.content.getSelection() : []; + var itemOrGroupSet = (this.itemSet || this.groupSet); + + return itemOrGroupSet ? itemOrGroupSet.getSelection() : []; }; /** @@ -8239,6 +7569,8 @@ Timeline.prototype.getSelection = function getSelection() { * @param {Date | Number | String} [start] Start date of visible window * @param {Date | Number | String} [end] End date of visible window */ +// TODO: implement support for setWindow({start: ..., end: ...}) +// TODO: rename setWindow to setRange? Timeline.prototype.setWindow = function setWindow(start, end) { this.range.setRange(start, end); }; @@ -8247,6 +7579,7 @@ Timeline.prototype.setWindow = function setWindow(start, end) { * Get the visible window * @return {{start: Date, end: Date}} Visible range */ +// TODO: rename getWindow to getRange? Timeline.prototype.getWindow = function setWindow() { var range = this.range.getRange(); return { @@ -8271,14 +7604,20 @@ Timeline.prototype._onSelectItem = function (event) { return; } - var item = ItemSet.itemFromTarget(event); + var oldSelection = this.getSelection(); + var item = ItemSet.itemFromTarget(event); var selection = item ? [item.id] : []; this.setSelection(selection); - this.controller.emit('select', { - items: this.getSelection() - }); + var newSelection = this.getSelection(); + + // if selection is changed, emit a select event + if (!util.equalArray(oldSelection, newSelection)) { + this.emit('select', { + items: this.getSelection() + }); + } event.stopPropagation(); }; @@ -8311,7 +7650,7 @@ Timeline.prototype._onAddItem = function (event) { var xAbs = vis.util.getAbsoluteLeft(this.rootPanel.frame); var x = event.gesture.center.pageX - xAbs; var newItem = { - start: this.timeaxis.snap(this._toTime(x)), + start: this.timeAxis.snap(this._toTime(x)), content: 'new item' }; @@ -8327,15 +7666,7 @@ Timeline.prototype._onAddItem = function (event) { this.options.onAdd(newItem, function (item) { if (item) { me.itemsData.add(newItem); - - // select the created item after it is repainted - me.controller.once('repaint', function () { - me.setSelection([id]); - - me.controller.emit('select', { - items: me.getSelection() - }); - }.bind(me)); + // TODO: need to trigger a repaint? } }); } @@ -8367,7 +7698,7 @@ Timeline.prototype._onMultiSelectItem = function (event) { } this.setSelection(selection); - this.controller.emit('select', { + this.emit('select', { items: this.getSelection() }); @@ -8382,7 +7713,7 @@ Timeline.prototype._onMultiSelectItem = function (event) { * @private */ Timeline.prototype._toTime = function _toTime(x) { - var conversion = this.range.conversion(this.content.width); + var conversion = this.range.conversion(this.mainPanel.width); return new Date(x / conversion.scale + conversion.offset); }; @@ -8394,7 +7725,7 @@ Timeline.prototype._toTime = function _toTime(x) { * @private */ Timeline.prototype._toScreen = function _toScreen(time) { - var conversion = this.range.conversion(this.content.width); + var conversion = this.range.conversion(this.mainPanel.width); return (time.valueOf() - conversion.offset) * conversion.scale; }; @@ -18148,7 +17479,6 @@ Graph.prototype.storePosition = function() { var vis = { util: util, - Controller: Controller, DataSet: DataSet, DataView: DataView, Range: Range, @@ -19799,8 +19129,8 @@ else { } })(this); },{}],4:[function(require,module,exports){ -//! moment.js -//! version : 2.5.1 +var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};//! moment.js +//! version : 2.6.0 //! authors : Tim Wood, Iskren Chernev, Moment.js contributors //! license : MIT //! momentjs.com @@ -19812,8 +19142,10 @@ else { ************************************/ var moment, - VERSION = "2.5.1", - global = this, + VERSION = "2.6.0", + // the global-scope this is NOT the global object in Node.js + globalScope = typeof global !== 'undefined' ? global : this, + oldGlobalMoment, round = Math.round, i, @@ -19842,7 +19174,7 @@ else { }, // check for nodeJS - hasModule = (typeof module !== 'undefined' && module.exports && typeof require !== 'undefined'), + hasModule = (typeof module !== 'undefined' && module.exports), // ASP.NET json date format regex aspNetJsonRegex = /^\/?Date\((\-?\d+)/i, @@ -19853,7 +19185,7 @@ else { 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]?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,4}|X|zz?|ZZ?|.)/g, + 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 @@ -19866,6 +19198,7 @@ else { 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}/, //strict parsing regexes parseTokenOneDigit = /\d/, // 0 - 9 @@ -19891,7 +19224,7 @@ else { // iso time formats and regexes isoTimes = [ - ['HH:mm:ss.SSSS', /(T| )\d\d:\d\d:\d\d\.\d{1,3}/], + ['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/] @@ -19922,6 +19255,7 @@ else { w : 'week', W : 'isoWeek', M : 'month', + Q : 'quarter', y : 'year', DDD : 'dayOfYear', e : 'weekday', @@ -20097,6 +19431,23 @@ else { }; } + function deprecate(msg, fn) { + var firstTime = true; + function printMsg() { + if (moment.suppressDeprecationWarnings === false && + typeof console !== 'undefined' && console.warn) { + console.warn("Deprecation warning: " + msg); + } + } + return extend(function () { + if (firstTime) { + printMsg(); + firstTime = false; + } + return fn.apply(this, arguments); + }, fn); + } + function padToken(func, count) { return function (a) { return leftZeroFill(func.call(this, a), count); @@ -20137,6 +19488,7 @@ else { 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, @@ -20158,6 +19510,7 @@ else { // which months you are are talking about, so we have to store // it separately. this._months = +months + + quarters * 3 + years * 12; this._data = {}; @@ -20220,34 +19573,23 @@ else { } // helper function for _.addTime and _.subtractTime - function addOrSubtractDurationFromMoment(mom, duration, isAdding, ignoreUpdateOffset) { + function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) { var milliseconds = duration._milliseconds, days = duration._days, - months = duration._months, - minutes, - hours; + months = duration._months; + updateOffset = updateOffset == null ? true : updateOffset; if (milliseconds) { mom._d.setTime(+mom._d + milliseconds * isAdding); } - // store the minutes and hours so we can restore them - if (days || months) { - minutes = mom.minute(); - hours = mom.hour(); - } if (days) { - mom.date(mom.date() + days * isAdding); + rawSetter(mom, 'Date', rawGetter(mom, 'Date') + days * isAdding); } if (months) { - mom.month(mom.month() + months * isAdding); + rawMonthSetter(mom, rawGetter(mom, 'Month') + months * isAdding); } - if (milliseconds && !ignoreUpdateOffset) { - moment.updateOffset(mom); - } - // restore the minutes and hours after possibly changing dst - if (days || months) { - mom.minute(minutes); - mom.hour(hours); + if (updateOffset) { + moment.updateOffset(mom, days || months); } } @@ -20362,6 +19704,10 @@ else { return new Date(Date.UTC(year, month + 1, 0)).getUTCDate(); } + function weeksInYear(year, dow, doy) { + return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week; + } + function daysInYear(year) { return isLeapYear(year) ? 366 : 365; } @@ -20752,6 +20098,8 @@ else { function getParseRegexForToken(token, config) { var a, strict = config._strict; switch (token) { + case 'Q': + return parseTokenOneDigit; case 'DDDD': return parseTokenThreeDigits; case 'YYYY': @@ -20820,6 +20168,8 @@ else { case 'e': case 'E': return parseTokenOneOrTwoDigits; + case 'Do': + return parseTokenOrdinal; default : a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), "i")); return a; @@ -20841,6 +20191,12 @@ else { 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' : @@ -20865,6 +20221,11 @@ else { 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' : @@ -20875,7 +20236,7 @@ else { break; // YEAR case 'YY' : - datePartArray[YEAR] = toInt(input) + (toInt(input) > 68 ? 1900 : 2000); + datePartArray[YEAR] = moment.parseTwoDigitYear(input); break; case 'YYYY' : case 'YYYYY' : @@ -20964,9 +20325,9 @@ else { //compute day of the year from weeks and weekdays if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { fixYear = function (val) { - var int_val = parseInt(val, 10); + var intVal = parseInt(val, 10); return val ? - (val.length < 3 ? (int_val > 68 ? 1900 + int_val : 2000 + int_val) : int_val) : + (val.length < 3 ? (intVal > 68 ? 1900 + intVal : 2000 + intVal) : intVal) : (config._a[YEAR] == null ? moment().weekYear() : config._a[YEAR]); }; @@ -21202,7 +20563,7 @@ else { makeDateFromStringAndFormat(config); } else { - config._d = new Date(string); + moment.createFromInputFallback(config); } } @@ -21223,8 +20584,11 @@ else { config._d = new Date(+input); } else if (typeof(input) === 'object') { dateFromObject(config); - } else { + } else if (typeof(input) === 'number') { + // from milliseconds config._d = new Date(input); + } else { + moment.createFromInputFallback(config); } } @@ -21351,7 +20715,7 @@ else { var input = config._i, format = config._f; - if (input === null) { + if (input === null || (format === undefined && input === '')) { return moment.invalid({nullInput: true}); } @@ -21397,6 +20761,17 @@ else { return makeMoment(c); }; + moment.suppressDeprecationWarnings = false; + + moment.createFromInputFallback = deprecate( + "moment construction falls back to js Date. This is " + + "discouraged and will be removed in upcoming major " + + "release. Please refer to " + + "https://github.com/moment/moment/issues/1407 for more info.", + function (config) { + config._d = new Date(config._i); + }); + // creating with utc moment.utc = function (input, format, lang, strict) { var c; @@ -21493,6 +20868,10 @@ else { // default format moment.defaultFormat = isoFormat; + // 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 () {}; @@ -21556,8 +20935,12 @@ else { return m; }; - moment.parseZone = function (input) { - return moment(input).parseZone(); + moment.parseZone = function () { + return moment.apply(null, arguments).parseZone(); + }; + + moment.parseTwoDigitYear = function (input) { + return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); }; /************************************ @@ -21744,29 +21127,7 @@ else { } }, - month : function (input) { - var utc = this._isUTC ? 'UTC' : '', - dayOfMonth; - - if (input != null) { - if (typeof input === 'string') { - input = this.lang().monthsParse(input); - if (typeof input !== 'number') { - return this; - } - } - - dayOfMonth = this.date(); - this.date(1); - this._d['set' + utc + 'Month'](input); - this.date(Math.min(dayOfMonth, this.daysInMonth())); - - moment.updateOffset(this); - return this; - } else { - return this._d['get' + utc + 'Month'](); - } - }, + month : makeAccessor('Month', true), startOf: function (units) { units = normalizeUnits(units); @@ -21776,6 +21137,7 @@ else { case 'year': this.month(0); /* falls through */ + case 'quarter': case 'month': this.date(1); /* falls through */ @@ -21802,6 +21164,11 @@ else { this.isoWeekday(1); } + // quarters are also special + if (units === 'quarter') { + this.month(Math.floor(this.month() / 3) * 3); + } + return this; }, @@ -21835,7 +21202,17 @@ else { return other > this ? this : other; }, - zone : function (input) { + // keepTime = 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, keepTime) { var offset = this._offset || 0; if (input != null) { if (typeof input === "string") { @@ -21847,7 +21224,14 @@ else { this._offset = input; this._isUTC = true; if (offset !== input) { - addOrSubtractDurationFromMoment(this, moment.duration(offset - input, 'm'), 1, true); + if (!keepTime || 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._d.getTimezoneOffset(); @@ -21892,8 +21276,8 @@ else { return input == null ? dayOfYear : this.add("d", (input - dayOfYear)); }, - quarter : function () { - return Math.ceil((this.month() + 1.0) / 3.0); + quarter : function (input) { + return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); }, weekYear : function (input) { @@ -21928,6 +21312,15 @@ else { return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7); }, + isoWeeksInYear : function () { + return weeksInYear(this.year(), 1, 4); + }, + + weeksInYear : function () { + var weekInfo = this._lang._week; + return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); + }, + get : function (units) { units = normalizeUnits(units); return this[units](); @@ -21954,33 +21347,68 @@ else { } }); - // helper for adding shortcuts - function makeGetterAndSetter(name, key) { - moment.fn[name] = moment.fn[name + 's'] = function (input) { - var utc = this._isUTC ? 'UTC' : ''; - if (input != null) { - this._d['set' + utc + key](input); - moment.updateOffset(this); + function rawMonthSetter(mom, value) { + var dayOfMonth; + + // TODO: Move this out of here! + if (typeof value === 'string') { + value = mom.lang().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; + } + + 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); + } + } + + function makeAccessor(unit, keepTime) { + return function (value) { + if (value != null) { + rawSetter(this, unit, value); + moment.updateOffset(this, keepTime); return this; } else { - return this._d['get' + utc + key](); + return rawGetter(this, unit); } }; } - // loop through and add shortcuts (Month, Date, Hours, Minutes, Seconds, Milliseconds) - for (i = 0; i < proxyGettersAndSetters.length; i ++) { - makeGetterAndSetter(proxyGettersAndSetters[i].toLowerCase().replace(/s$/, ''), proxyGettersAndSetters[i]); - } - - // add shortcut for year (uses different syntax than the getter/setter 'year' == 'FullYear') - makeGetterAndSetter('year', 'FullYear'); + 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; @@ -22156,45 +21584,36 @@ else { Exposing Moment ************************************/ - function makeGlobal(deprecate) { - var warned = false, local_moment = moment; + function makeGlobal(shouldDeprecate) { /*global ender:false */ if (typeof ender !== 'undefined') { return; } - // here, `this` means `window` in the browser, or `global` on the server - // add `moment` as a global object via a string identifier, - // for Closure Compiler "advanced" mode - if (deprecate) { - global.moment = function () { - if (!warned && console && console.warn) { - warned = true; - console.warn( - "Accessing Moment through the global scope is " + - "deprecated, and will be removed in an upcoming " + - "release."); - } - return local_moment.apply(null, arguments); - }; - extend(global.moment, local_moment); + 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 { - global['moment'] = moment; + globalScope.moment = moment; } } // CommonJS module is defined if (hasModule) { module.exports = moment; - makeGlobal(true); } else if (typeof define === "function" && define.amd) { define("moment", function (require, exports, module) { - if (module.config && module.config() && module.config().noGlobal !== true) { - // If user provided noGlobal, he is aware of global - makeGlobal(module.config().noGlobal === undefined); + if (module.config && module.config() && module.config().noGlobal === true) { + // release the global variable + globalScope.moment = oldGlobalMoment; } return moment; }); + makeGlobal(true); } else { makeGlobal(); } diff --git a/dist/vis.js.tmp b/dist/vis.js.tmp new file mode 100644 index 00000000..57f04f85 --- /dev/null +++ b/dist/vis.js.tmp @@ -0,0 +1,17549 @@ +/** + * vis.js module imports + */ + +// Try to load dependencies from the global window object. +// If not available there, load via require. + +var moment = (typeof window !== 'undefined') && window['moment'] || require('moment'); +var Emitter = require('emitter-component'); + +var Hammer; +if (typeof window !== 'undefined') { + // load hammer.js only when running in a browser (where window is available) + Hammer = window['Hammer'] || require('hammerjs'); +} +else { + Hammer = function () { + throw Error('hammer.js is only available in a browser, not in node.js.'); + } +} + +var mousetrap; +if (typeof window !== 'undefined') { + // load mousetrap.js only when running in a browser (where window is available) + mousetrap = window['mousetrap'] || require('mousetrap'); +} +else { + mousetrap = function () { + throw Error('mouseTrap is only available in a browser, not in node.js.'); + } +} + + +// Internet Explorer 8 and older does not support Array.indexOf, so we define +// it here in that case. +// http://soledadpenades.com/2007/05/17/arrayindexof-in-internet-explorer/ +if(!Array.prototype.indexOf) { + Array.prototype.indexOf = function(obj){ + for(var i = 0; i < this.length; i++){ + if(this[i] == obj){ + return i; + } + } + return -1; + }; + + try { + console.log("Warning: Ancient browser detected. Please update your browser"); + } + catch (err) { + } +} + +// Internet Explorer 8 and older does not support Array.forEach, so we define +// it here in that case. +// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/forEach +if (!Array.prototype.forEach) { + Array.prototype.forEach = function(fn, scope) { + for(var i = 0, len = this.length; i < len; ++i) { + fn.call(scope || this, this[i], i, this); + } + } +} + +// Internet Explorer 8 and older does not support Array.map, so we define it +// here in that case. +// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/map +// Production steps of ECMA-262, Edition 5, 15.4.4.19 +// Reference: http://es5.github.com/#x15.4.4.19 +if (!Array.prototype.map) { + Array.prototype.map = function(callback, thisArg) { + + var T, A, k; + + if (this == null) { + throw new TypeError(" this is null or not defined"); + } + + // 1. Let O be the result of calling ToObject passing the |this| value as the argument. + var O = Object(this); + + // 2. Let lenValue be the result of calling the Get internal method of O with the argument "length". + // 3. Let len be ToUint32(lenValue). + var len = O.length >>> 0; + + // 4. If IsCallable(callback) is false, throw a TypeError exception. + // See: http://es5.github.com/#x9.11 + if (typeof callback !== "function") { + throw new TypeError(callback + " is not a function"); + } + + // 5. If thisArg was supplied, let T be thisArg; else let T be undefined. + if (thisArg) { + T = thisArg; + } + + // 6. Let A be a new array created as if by the expression new Array(len) where Array is + // the standard built-in constructor with that name and len is the value of len. + A = new Array(len); + + // 7. Let k be 0 + k = 0; + + // 8. Repeat, while k < len + while(k < len) { + + var kValue, mappedValue; + + // a. Let Pk be ToString(k). + // This is implicit for LHS operands of the in operator + // b. Let kPresent be the result of calling the HasProperty internal method of O with argument Pk. + // This step can be combined with c + // c. If kPresent is true, then + if (k in O) { + + // i. Let kValue be the result of calling the Get internal method of O with argument Pk. + kValue = O[ k ]; + + // ii. Let mappedValue be the result of calling the Call internal method of callback + // with T as the this value and argument list containing kValue, k, and O. + mappedValue = callback.call(T, kValue, k, O); + + // iii. Call the DefineOwnProperty internal method of A with arguments + // Pk, Property Descriptor {Value: mappedValue, : true, Enumerable: true, Configurable: true}, + // and false. + + // In browsers that support Object.defineProperty, use the following: + // Object.defineProperty(A, Pk, { value: mappedValue, writable: true, enumerable: true, configurable: true }); + + // For best browser support, use the following: + A[ k ] = mappedValue; + } + // d. Increase k by 1. + k++; + } + + // 9. return A + return A; + }; +} + +// Internet Explorer 8 and older does not support Array.filter, so we define it +// here in that case. +// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/filter +if (!Array.prototype.filter) { + Array.prototype.filter = function(fun /*, thisp */) { + "use strict"; + + if (this == null) { + throw new TypeError(); + } + + var t = Object(this); + var len = t.length >>> 0; + if (typeof fun != "function") { + throw new TypeError(); + } + + var res = []; + var thisp = arguments[1]; + for (var i = 0; i < len; i++) { + if (i in t) { + var val = t[i]; // in case fun mutates this + if (fun.call(thisp, val, i, t)) + res.push(val); + } + } + + return res; + }; +} + + +// Internet Explorer 8 and older does not support Object.keys, so we define it +// here in that case. +// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Object/keys +if (!Object.keys) { + Object.keys = (function () { + var hasOwnProperty = Object.prototype.hasOwnProperty, + hasDontEnumBug = !({toString: null}).propertyIsEnumerable('toString'), + dontEnums = [ + 'toString', + 'toLocaleString', + 'valueOf', + 'hasOwnProperty', + 'isPrototypeOf', + 'propertyIsEnumerable', + 'constructor' + ], + dontEnumsLength = dontEnums.length; + + return function (obj) { + if (typeof obj !== 'object' && typeof obj !== 'function' || obj === null) { + throw new TypeError('Object.keys called on non-object'); + } + + var result = []; + + for (var prop in obj) { + if (hasOwnProperty.call(obj, prop)) result.push(prop); + } + + if (hasDontEnumBug) { + for (var i=0; i < dontEnumsLength; i++) { + if (hasOwnProperty.call(obj, dontEnums[i])) result.push(dontEnums[i]); + } + } + return result; + } + })() +} + +// Internet Explorer 8 and older does not support Array.isArray, +// so we define it here in that case. +// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/isArray +if(!Array.isArray) { + Array.isArray = function (vArg) { + return Object.prototype.toString.call(vArg) === "[object Array]"; + }; +} + +// Internet Explorer 8 and older does not support Function.bind, +// so we define it here in that case. +// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Function/bind +if (!Function.prototype.bind) { + Function.prototype.bind = function (oThis) { + if (typeof this !== "function") { + // closest thing possible to the ECMAScript 5 internal IsCallable function + throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable"); + } + + var aArgs = Array.prototype.slice.call(arguments, 1), + fToBind = this, + fNOP = function () {}, + fBound = function () { + return fToBind.apply(this instanceof fNOP && oThis + ? this + : oThis, + aArgs.concat(Array.prototype.slice.call(arguments))); + }; + + fNOP.prototype = this.prototype; + fBound.prototype = new fNOP(); + + return fBound; + }; +} + +// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Object/create +if (!Object.create) { + Object.create = function (o) { + if (arguments.length > 1) { + throw new Error('Object.create implementation only accepts the first parameter.'); + } + function F() {} + F.prototype = o; + return new F(); + }; +} + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind +if (!Function.prototype.bind) { + Function.prototype.bind = function (oThis) { + if (typeof this !== "function") { + // closest thing possible to the ECMAScript 5 internal IsCallable function + throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable"); + } + + var aArgs = Array.prototype.slice.call(arguments, 1), + fToBind = this, + fNOP = function () {}, + fBound = function () { + return fToBind.apply(this instanceof fNOP && oThis + ? this + : oThis, + aArgs.concat(Array.prototype.slice.call(arguments))); + }; + + fNOP.prototype = this.prototype; + fBound.prototype = new fNOP(); + + return fBound; + }; +} + +/** + * utility functions + */ +var util = {}; + +/** + * Test whether given object is a number + * @param {*} object + * @return {Boolean} isNumber + */ +util.isNumber = function isNumber(object) { + return (object instanceof Number || typeof object == 'number'); +}; + +/** + * Test whether given object is a string + * @param {*} object + * @return {Boolean} isString + */ +util.isString = function isString(object) { + return (object instanceof String || typeof object == 'string'); +}; + +/** + * Test whether given object is a Date, or a String containing a Date + * @param {Date | String} object + * @return {Boolean} isDate + */ +util.isDate = function isDate(object) { + if (object instanceof Date) { + return true; + } + else if (util.isString(object)) { + // test whether this string contains a date + var match = ASPDateRegex.exec(object); + if (match) { + return true; + } + else if (!isNaN(Date.parse(object))) { + return true; + } + } + + return false; +}; + +/** + * Test whether given object is an instance of google.visualization.DataTable + * @param {*} object + * @return {Boolean} isDataTable + */ +util.isDataTable = function isDataTable(object) { + return (typeof (google) !== 'undefined') && + (google.visualization) && + (google.visualization.DataTable) && + (object instanceof google.visualization.DataTable); +}; + +/** + * Create a semi UUID + * source: http://stackoverflow.com/a/105074/1262753 + * @return {String} uuid + */ +util.randomUUID = function randomUUID () { + var S4 = function () { + return Math.floor( + Math.random() * 0x10000 /* 65536 */ + ).toString(16); + }; + + return ( + S4() + S4() + '-' + + S4() + '-' + + S4() + '-' + + S4() + '-' + + S4() + S4() + S4() + ); +}; + +/** + * Extend object a with the properties of object b or a series of objects + * Only properties with defined values are copied + * @param {Object} a + * @param {... Object} b + * @return {Object} a + */ +util.extend = function (a, b) { + for (var i = 1, len = arguments.length; i < len; i++) { + var other = arguments[i]; + for (var prop in other) { + if (other.hasOwnProperty(prop) && other[prop] !== undefined) { + a[prop] = other[prop]; + } + } + } + + return a; +}; + +/** + * Test whether all elements in two arrays are equal. + * @param {Array} a + * @param {Array} b + * @return {boolean} Returns true if both arrays have the same length and same + * elements. + */ +util.equalArray = function (a, b) { + if (a.length != b.length) return false; + + for (var i = 1, len = a.length; i < len; i++) { + if (a[i] != b[i]) return false; + } + + return true; +}; + +/** + * Convert an object to another type + * @param {Boolean | Number | String | Date | Moment | Null | undefined} object + * @param {String | undefined} type Name of the type. Available types: + * 'Boolean', 'Number', 'String', + * 'Date', 'Moment', ISODate', 'ASPDate'. + * @return {*} object + * @throws Error + */ +util.convert = function convert(object, type) { + var match; + + if (object === undefined) { + return undefined; + } + if (object === null) { + return null; + } + + if (!type) { + return object; + } + if (!(typeof type === 'string') && !(type instanceof String)) { + throw new Error('Type must be a string'); + } + + //noinspection FallthroughInSwitchStatementJS + switch (type) { + case 'boolean': + case 'Boolean': + return Boolean(object); + + case 'number': + case 'Number': + return Number(object.valueOf()); + + case 'string': + case 'String': + return String(object); + + case 'Date': + if (util.isNumber(object)) { + return new Date(object); + } + if (object instanceof Date) { + return new Date(object.valueOf()); + } + else if (moment.isMoment(object)) { + return new Date(object.valueOf()); + } + if (util.isString(object)) { + match = ASPDateRegex.exec(object); + if (match) { + // object is an ASP date + return new Date(Number(match[1])); // parse number + } + else { + return moment(object).toDate(); // parse string + } + } + else { + throw new Error( + 'Cannot convert object of type ' + util.getType(object) + + ' to type Date'); + } + + case 'Moment': + if (util.isNumber(object)) { + return moment(object); + } + if (object instanceof Date) { + return moment(object.valueOf()); + } + else if (moment.isMoment(object)) { + return moment(object); + } + if (util.isString(object)) { + match = ASPDateRegex.exec(object); + if (match) { + // object is an ASP date + return moment(Number(match[1])); // parse number + } + else { + return moment(object); // parse string + } + } + else { + throw new Error( + 'Cannot convert object of type ' + util.getType(object) + + ' to type Date'); + } + + case 'ISODate': + if (util.isNumber(object)) { + return new Date(object); + } + else if (object instanceof Date) { + return object.toISOString(); + } + else if (moment.isMoment(object)) { + return object.toDate().toISOString(); + } + else if (util.isString(object)) { + match = ASPDateRegex.exec(object); + if (match) { + // object is an ASP date + return new Date(Number(match[1])).toISOString(); // parse number + } + else { + return new Date(object).toISOString(); // parse string + } + } + else { + throw new Error( + 'Cannot convert object of type ' + util.getType(object) + + ' to type ISODate'); + } + + case 'ASPDate': + if (util.isNumber(object)) { + return '/Date(' + object + ')/'; + } + else if (object instanceof Date) { + return '/Date(' + object.valueOf() + ')/'; + } + else if (util.isString(object)) { + match = ASPDateRegex.exec(object); + var value; + if (match) { + // object is an ASP date + value = new Date(Number(match[1])).valueOf(); // parse number + } + else { + value = new Date(object).valueOf(); // parse string + } + return '/Date(' + value + ')/'; + } + else { + throw new Error( + 'Cannot convert object of type ' + util.getType(object) + + ' to type ASPDate'); + } + + default: + throw new Error('Cannot convert object of type ' + util.getType(object) + + ' to type "' + type + '"'); + } +}; + +// parse ASP.Net Date pattern, +// for example '/Date(1198908717056)/' or '/Date(1198908717056-0700)/' +// code from http://momentjs.com/ +var ASPDateRegex = /^\/?Date\((\-?\d+)/i; + +/** + * Get the type of an object, for example util.getType([]) returns 'Array' + * @param {*} object + * @return {String} type + */ +util.getType = function getType(object) { + var type = typeof object; + + if (type == 'object') { + if (object == null) { + return 'null'; + } + if (object instanceof Boolean) { + return 'Boolean'; + } + if (object instanceof Number) { + return 'Number'; + } + if (object instanceof String) { + return 'String'; + } + if (object instanceof Array) { + return 'Array'; + } + if (object instanceof Date) { + return 'Date'; + } + return 'Object'; + } + else if (type == 'number') { + return 'Number'; + } + else if (type == 'boolean') { + return 'Boolean'; + } + else if (type == 'string') { + return 'String'; + } + + return type; +}; + +/** + * Retrieve the absolute left value of a DOM element + * @param {Element} elem A dom element, for example a div + * @return {number} left The absolute left position of this element + * in the browser page. + */ +util.getAbsoluteLeft = function getAbsoluteLeft (elem) { + var doc = document.documentElement; + var body = document.body; + + var left = elem.offsetLeft; + var e = elem.offsetParent; + while (e != null && e != body && e != doc) { + left += e.offsetLeft; + left -= e.scrollLeft; + e = e.offsetParent; + } + return left; +}; + +/** + * Retrieve the absolute top value of a DOM element + * @param {Element} elem A dom element, for example a div + * @return {number} top The absolute top position of this element + * in the browser page. + */ +util.getAbsoluteTop = function getAbsoluteTop (elem) { + var doc = document.documentElement; + var body = document.body; + + var top = elem.offsetTop; + var e = elem.offsetParent; + while (e != null && e != body && e != doc) { + top += e.offsetTop; + top -= e.scrollTop; + e = e.offsetParent; + } + return top; +}; + +/** + * Get the absolute, vertical mouse position from an event. + * @param {Event} event + * @return {Number} pageY + */ +util.getPageY = function getPageY (event) { + if ('pageY' in event) { + return event.pageY; + } + else { + var clientY; + if (('targetTouches' in event) && event.targetTouches.length) { + clientY = event.targetTouches[0].clientY; + } + else { + clientY = event.clientY; + } + + var doc = document.documentElement; + var body = document.body; + return clientY + + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - + ( doc && doc.clientTop || body && body.clientTop || 0 ); + } +}; + +/** + * Get the absolute, horizontal mouse position from an event. + * @param {Event} event + * @return {Number} pageX + */ +util.getPageX = function getPageX (event) { + if ('pageY' in event) { + return event.pageX; + } + else { + var clientX; + if (('targetTouches' in event) && event.targetTouches.length) { + clientX = event.targetTouches[0].clientX; + } + else { + clientX = event.clientX; + } + + var doc = document.documentElement; + var body = document.body; + return clientX + + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - + ( doc && doc.clientLeft || body && body.clientLeft || 0 ); + } +}; + +/** + * add a className to the given elements style + * @param {Element} elem + * @param {String} className + */ +util.addClassName = function addClassName(elem, className) { + var classes = elem.className.split(' '); + if (classes.indexOf(className) == -1) { + classes.push(className); // add the class to the array + elem.className = classes.join(' '); + } +}; + +/** + * add a className to the given elements style + * @param {Element} elem + * @param {String} className + */ +util.removeClassName = function removeClassname(elem, className) { + var classes = elem.className.split(' '); + var index = classes.indexOf(className); + if (index != -1) { + classes.splice(index, 1); // remove the class from the array + elem.className = classes.join(' '); + } +}; + +/** + * For each method for both arrays and objects. + * In case of an array, the built-in Array.forEach() is applied. + * In case of an Object, the method loops over all properties of the object. + * @param {Object | Array} object An Object or Array + * @param {function} callback Callback method, called for each item in + * the object or array with three parameters: + * callback(value, index, object) + */ +util.forEach = function forEach (object, callback) { + var i, + len; + if (object instanceof Array) { + // array + for (i = 0, len = object.length; i < len; i++) { + callback(object[i], i, object); + } + } + else { + // object + for (i in object) { + if (object.hasOwnProperty(i)) { + callback(object[i], i, object); + } + } + } +}; + +/** + * Convert an object into an array: all objects properties are put into the + * array. The resulting array is unordered. + * @param {Object} object + * @param {Array} array + */ +util.toArray = function toArray(object) { + var array = []; + + for (var prop in object) { + if (object.hasOwnProperty(prop)) array.push(object[prop]); + } + + return array; +} + +/** + * Update a property in an object + * @param {Object} object + * @param {String} key + * @param {*} value + * @return {Boolean} changed + */ +util.updateProperty = function updateProperty (object, key, value) { + if (object[key] !== value) { + object[key] = value; + return true; + } + else { + return false; + } +}; + +/** + * Add and event listener. Works for all browsers + * @param {Element} element An html element + * @param {string} action The action, for example "click", + * without the prefix "on" + * @param {function} listener The callback function to be executed + * @param {boolean} [useCapture] + */ +util.addEventListener = function addEventListener(element, action, listener, useCapture) { + if (element.addEventListener) { + if (useCapture === undefined) + useCapture = false; + + if (action === "mousewheel" && navigator.userAgent.indexOf("Firefox") >= 0) { + action = "DOMMouseScroll"; // For Firefox + } + + element.addEventListener(action, listener, useCapture); + } else { + element.attachEvent("on" + action, listener); // IE browsers + } +}; + +/** + * Remove an event listener from an element + * @param {Element} element An html dom element + * @param {string} action The name of the event, for example "mousedown" + * @param {function} listener The listener function + * @param {boolean} [useCapture] + */ +util.removeEventListener = function removeEventListener(element, action, listener, useCapture) { + if (element.removeEventListener) { + // non-IE browsers + if (useCapture === undefined) + useCapture = false; + + if (action === "mousewheel" && navigator.userAgent.indexOf("Firefox") >= 0) { + action = "DOMMouseScroll"; // For Firefox + } + + element.removeEventListener(action, listener, useCapture); + } else { + // IE browsers + element.detachEvent("on" + action, listener); + } +}; + + +/** + * Get HTML element which is the target of the event + * @param {Event} event + * @return {Element} target element + */ +util.getTarget = function getTarget(event) { + // code from http://www.quirksmode.org/js/events_properties.html + if (!event) { + event = window.event; + } + + var target; + + if (event.target) { + target = event.target; + } + else if (event.srcElement) { + target = event.srcElement; + } + + if (target.nodeType != undefined && target.nodeType == 3) { + // defeat Safari bug + target = target.parentNode; + } + + return target; +}; + +/** + * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent + * @param {Element} element + * @param {Event} event + */ +util.fakeGesture = function fakeGesture (element, event) { + var eventType = null; + + // for hammer.js 1.0.5 + var gesture = Hammer.event.collectEventData(this, eventType, event); + + // 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; + } + if (isNaN(gesture.center.pageY)) { + gesture.center.pageY = event.pageY; + } + + return gesture; +}; + +util.option = {}; + +/** + * Convert a value into a boolean + * @param {Boolean | function | undefined} value + * @param {Boolean} [defaultValue] + * @returns {Boolean} bool + */ +util.option.asBoolean = function (value, defaultValue) { + if (typeof value == 'function') { + value = value(); + } + + if (value != null) { + return (value != false); + } + + return defaultValue || null; +}; + +/** + * Convert a value into a number + * @param {Boolean | function | undefined} value + * @param {Number} [defaultValue] + * @returns {Number} number + */ +util.option.asNumber = function (value, defaultValue) { + if (typeof value == 'function') { + value = value(); + } + + if (value != null) { + return Number(value) || defaultValue || null; + } + + return defaultValue || null; +}; + +/** + * Convert a value into a string + * @param {String | function | undefined} value + * @param {String} [defaultValue] + * @returns {String} str + */ +util.option.asString = function (value, defaultValue) { + if (typeof value == 'function') { + value = value(); + } + + if (value != null) { + return String(value); + } + + return defaultValue || null; +}; + +/** + * Convert a size or location into a string with pixels or a percentage + * @param {String | Number | function | undefined} value + * @param {String} [defaultValue] + * @returns {String} size + */ +util.option.asSize = function (value, defaultValue) { + if (typeof value == 'function') { + value = value(); + } + + if (util.isString(value)) { + return value; + } + else if (util.isNumber(value)) { + return value + 'px'; + } + else { + return defaultValue || null; + } +}; + +/** + * Convert a value into a DOM element + * @param {HTMLElement | function | undefined} value + * @param {HTMLElement} [defaultValue] + * @returns {HTMLElement | null} dom + */ +util.option.asElement = function (value, defaultValue) { + if (typeof value == 'function') { + value = value(); + } + + return value || defaultValue || null; +}; + + + +util.GiveDec = function GiveDec(Hex) { + var Value; + + if (Hex == "A") + Value = 10; + else if (Hex == "B") + Value = 11; + else if (Hex == "C") + Value = 12; + else if (Hex == "D") + Value = 13; + else if (Hex == "E") + Value = 14; + else if (Hex == "F") + Value = 15; + else + Value = eval(Hex); + + return Value; +}; + +util.GiveHex = function GiveHex(Dec) { + var Value; + + if(Dec == 10) + Value = "A"; + else if (Dec == 11) + Value = "B"; + else if (Dec == 12) + Value = "C"; + else if (Dec == 13) + Value = "D"; + else if (Dec == 14) + Value = "E"; + else if (Dec == 15) + Value = "F"; + else + Value = "" + Dec; + + return Value; +}; + +/** + * Parse a color property into an object with border, background, and + * highlight colors + * @param {Object | String} color + * @return {Object} colorObject + */ +util.parseColor = function(color) { + var c; + if (util.isString(color)) { + if (util.isValidHex(color)) { + var hsv = util.hexToHSV(color); + var lighterColorHSV = {h:hsv.h,s:hsv.s * 0.45,v:Math.min(1,hsv.v * 1.05)}; + var darkerColorHSV = {h:hsv.h,s:Math.min(1,hsv.v * 1.25),v:hsv.v*0.6}; + var darkerColorHex = util.HSVToHex(darkerColorHSV.h ,darkerColorHSV.h ,darkerColorHSV.v); + var lighterColorHex = util.HSVToHex(lighterColorHSV.h,lighterColorHSV.s,lighterColorHSV.v); + + c = { + background: color, + border:darkerColorHex, + highlight: { + background:lighterColorHex, + border:darkerColorHex + } + }; + } + else { + c = { + background:color, + border:color, + highlight: { + background:color, + border:color + } + }; + } + } + else { + c = {}; + c.background = color.background || 'white'; + c.border = color.border || c.background; + + if (util.isString(color.highlight)) { + c.highlight = { + border: color.highlight, + background: color.highlight + } + } + else { + c.highlight = {}; + c.highlight.background = color.highlight && color.highlight.background || c.background; + c.highlight.border = color.highlight && color.highlight.border || c.border; + } + } + + return c; +}; + +/** + * http://www.yellowpipe.com/yis/tools/hex-to-rgb/color-converter.php + * + * @param {String} hex + * @returns {{r: *, g: *, b: *}} + */ +util.hexToRGB = function hexToRGB(hex) { + hex = hex.replace("#","").toUpperCase(); + + var a = util.GiveDec(hex.substring(0, 1)); + var b = util.GiveDec(hex.substring(1, 2)); + var c = util.GiveDec(hex.substring(2, 3)); + var d = util.GiveDec(hex.substring(3, 4)); + var e = util.GiveDec(hex.substring(4, 5)); + var f = util.GiveDec(hex.substring(5, 6)); + + var r = (a * 16) + b; + var g = (c * 16) + d; + var b = (e * 16) + f; + + return {r:r,g:g,b:b}; +}; + +util.RGBToHex = function RGBToHex(red,green,blue) { + var a = util.GiveHex(Math.floor(red / 16)); + var b = util.GiveHex(red % 16); + var c = util.GiveHex(Math.floor(green / 16)); + var d = util.GiveHex(green % 16); + var e = util.GiveHex(Math.floor(blue / 16)); + var f = util.GiveHex(blue % 16); + + var hex = a + b + c + d + e + f; + return "#" + hex; +}; + + +/** + * http://www.javascripter.net/faq/rgb2hsv.htm + * + * @param red + * @param green + * @param blue + * @returns {*} + * @constructor + */ +util.RGBToHSV = function RGBToHSV (red,green,blue) { + red=red/255; green=green/255; blue=blue/255; + var minRGB = Math.min(red,Math.min(green,blue)); + var maxRGB = Math.max(red,Math.max(green,blue)); + + // Black-gray-white + if (minRGB == maxRGB) { + return {h:0,s:0,v:minRGB}; + } + + // Colors other than black-gray-white: + var d = (red==minRGB) ? green-blue : ((blue==minRGB) ? red-green : blue-red); + var h = (red==minRGB) ? 3 : ((blue==minRGB) ? 1 : 5); + var hue = 60*(h - d/(maxRGB - minRGB))/360; + var saturation = (maxRGB - minRGB)/maxRGB; + var value = maxRGB; + return {h:hue,s:saturation,v:value}; +}; + + +/** + * https://gist.github.com/mjijackson/5311256 + * @param hue + * @param saturation + * @param value + * @returns {{r: number, g: number, b: number}} + * @constructor + */ +util.HSVToRGB = function HSVToRGB(h, s, v) { + var r, g, b; + + var i = Math.floor(h * 6); + var f = h * 6 - i; + var p = v * (1 - s); + var q = v * (1 - f * s); + var t = v * (1 - (1 - f) * s); + + switch (i % 6) { + case 0: r = v, g = t, b = p; break; + case 1: r = q, g = v, b = p; break; + case 2: r = p, g = v, b = t; break; + case 3: r = p, g = q, b = v; break; + case 4: r = t, g = p, b = v; break; + case 5: r = v, g = p, b = q; break; + } + + return {r:Math.floor(r * 255), g:Math.floor(g * 255), b:Math.floor(b * 255) }; +}; + +util.HSVToHex = function HSVToHex(h, s, v) { + var rgb = util.HSVToRGB(h, s, v); + return util.RGBToHex(rgb.r, rgb.g, rgb.b); +}; + +util.hexToHSV = function hexToHSV(hex) { + var rgb = util.hexToRGB(hex); + return util.RGBToHSV(rgb.r, rgb.g, rgb.b); +}; + +util.isValidHex = function isValidHex(hex) { + var isOk = /(^#[0-9A-F]{6}$)|(^#[0-9A-F]{3}$)/i.test(hex); + return isOk; +}; + +util.copyObject = function copyObject(objectFrom, objectTo) { + for (var i in objectFrom) { + if (objectFrom.hasOwnProperty(i)) { + if (typeof objectFrom[i] == "object") { + objectTo[i] = {}; + util.copyObject(objectFrom[i], objectTo[i]); + } + else { + objectTo[i] = objectFrom[i]; + } + } + } +}; + +/** + * DataSet + * + * Usage: + * var dataSet = new DataSet({ + * fieldId: '_id', + * convert: { + * // ... + * } + * }); + * + * 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.} [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. + * + * @throws Error + */ +DataSet.prototype.get = function (args) { + var me = this; + var globalShowInternalIds = this.showInternalIds; + + // parse the arguments + var id, ids, options, data; + var firstType = util.getType(arguments[0]); + if (firstType == 'String' || firstType == 'Number') { + // get(id [, options] [, data]) + id = arguments[0]; + options = arguments[1]; + data = arguments[2]; + } + else if (firstType == 'Array') { + // get(ids [, options] [, data]) + ids = arguments[0]; + options = arguments[1]; + data = arguments[2]; + } + else { + // get([, options] [, data]) + options = arguments[0]; + data = arguments[1]; + } + + // determine the return type + var type; + if (options && options.type) { + type = (options.type == 'DataTable') ? 'DataTable' : 'Array'; + + if (data && (type != util.getType(data))) { + throw new Error('Type of parameter "data" (' + util.getType(data) + ') ' + + 'does not correspond with specified options.type (' + options.type + ')'); + } + if (type == 'DataTable' && !util.isDataTable(data)) { + throw new Error('Parameter "data" must be a DataTable ' + + 'when options.type is "DataTable"'); + } + } + else if (data) { + type = (util.getType(data) == 'DataTable') ? 'DataTable' : 'Array'; + } + else { + type = 'Array'; + } + + // we allow the setting of this value for a single get request. + if (options != undefined) { + if (options.showInternalIds != undefined) { + this.showInternalIds = options.showInternalIds; + } + } + + // build options + var convert = options && options.convert || this.options.convert; + var filter = options && options.filter; + var items = [], item, itemId, i, len; + + // convert items + if (id != undefined) { + // return a single item + item = me._getItem(id, convert); + 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], convert); + 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, convert); + if (!filter || filter(item)) { + items.push(item); + } + } + } + } + + // restore the global value of showInternalIds + this.showInternalIds = globalShowInternalIds; + + // order the results + if (options && options.order && id == undefined) { + this._sort(items, options.order); + } + + // filter fields of the items + if (options && options.fields) { + var fields = options.fields; + if (id != undefined) { + item = this._filterFields(item, fields); + } + else { + for (i = 0, len = items.length; i < len; i++) { + items[i] = this._filterFields(items[i], fields); + } + } + } + + // return the results + if (type == '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, len = items.length; i < len; i++) { + me._appendRow(data, columns, items[i]); + } + } + return data; + } + else { + // return an array + if (id != undefined) { + // a single item + return item; + } + else { + // multiple items + if (data) { + // copy the items to the provided array + for (i = 0, len = items.length; i < len; i++) { + data.push(items[i]); + } + return data; + } + else { + // just return our array + return items; + } + } + } +}; + +/** + * Get ids of all items or from a filtered set of items. + * @param {Object} [options] An Object with options. Available options: + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * @return {Array} ids + */ +DataSet.prototype.getIds = function (options) { + var data = this.data, + filter = options && options.filter, + order = options && options.order, + convert = options && options.convert || this.options.convert, + i, + len, + id, + item, + items, + ids = []; + + if (filter) { + // get filtered items + if (order) { + // create ordered list + items = []; + for (id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, convert); + 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, convert); + if (filter(item)) { + ids.push(item[this.fieldId]); + } + } + } + } + } + else { + // get all items + if (order) { + // create an ordered list + items = []; + for (id in data) { + if (data.hasOwnProperty(id)) { + items.push(data[id]); + } + } + + this._sort(items, order); + + for (i = 0, len = items.length; i < len; i++) { + ids[i] = items[i][this.fieldId]; + } + } + else { + // create unordered list + for (id in data) { + if (data.hasOwnProperty(id)) { + item = data[id]; + ids.push(item[this.fieldId]); + } + } + } + } + + return ids; +}; + +/** + * Execute a callback function for every item in the dataset. + * The order of the items is not determined. + * @param {function} callback + * @param {Object} [options] Available options: + * {Object.} [convert] + * {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, + convert = options && options.convert || this.options.convert, + data = this.data, + item, + id; + + if (options && options.order) { + // execute forEach on ordered list + var items = this.get(options); + + for (var i = 0, len = items.length; i < len; i++) { + item = items[i]; + id = item[this.fieldId]; + callback(item, id); + } + } + else { + // unordered + for (id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, convert); + if (!filter || filter(item)) { + callback(item, id); + } + } + } + } +}; + +/** + * Map every item in the dataset. + * @param {function} callback + * @param {Object} [options] Available options: + * {Object.} [convert] + * {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, + convert = options && options.convert || this.options.convert, + mappedItems = [], + data = this.data, + item; + + // convert and filter items + for (var id in data) { + if (data.hasOwnProperty(id)) { + item = this._getItem(id, convert); + if (!filter || filter(item)) { + mappedItems.push(callback(item, id)); + } + } + } + + // order items + if (options && options.order) { + this._sort(mappedItems, options.order); + } + + return mappedItems; +}; + +/** + * Filter the fields of an item + * @param {Object} item + * @param {String[]} fields Field names + * @return {Object} filteredItem + * @private + */ +DataSet.prototype._filterFields = function (item, fields) { + var filteredItem = {}; + + for (var field in item) { + if (item.hasOwnProperty(field) && (fields.indexOf(field) != -1)) { + filteredItem[field] = item[field]; + } + } + + return filteredItem; +}; + +/** + * Sort the provided array with items + * @param {Object[]} items + * @param {String | function} order A field name or custom sort function. + * @private + */ +DataSet.prototype._sort = function (items, order) { + if (util.isString(order)) { + // order by provided field name + var name = order; // field name + items.sort(function (a, b) { + var av = a[name]; + var bv = b[name]; + return (av > bv) ? 1 : ((av < bv) ? -1 : 0); + }); + } + else if (typeof order === 'function') { + // order by sort function + items.sort(order); + } + // TODO: extend order by an Object {field:String, direction:String} + // where direction can be 'asc' or 'desc' + else { + throw new TypeError('Order must be a function or a string'); + } +}; + +/** + * Remove an object by pointer or by id + * @param {String | Number | Object | Array} id Object or id, or an array with + * objects or ids to be removed + * @param {String} [senderId] Optional sender id + * @return {Array} removedIds + */ +DataSet.prototype.remove = function (id, senderId) { + var removedIds = [], + i, len, removedId; + + if (id instanceof Array) { + for (i = 0, len = id.length; i < len; i++) { + removedId = this._remove(id[i]); + if (removedId != null) { + removedIds.push(removedId); + } + } + } + else { + removedId = this._remove(id); + if (removedId != null) { + removedIds.push(removedId); + } + } + + if (removedIds.length) { + this._trigger('remove', {items: removedIds}, senderId); + } + + return removedIds; +}; + +/** + * Remove an item by its id + * @param {Number | String | Object} id id or item + * @returns {Number | String | null} id + * @private + */ +DataSet.prototype._remove = function (id) { + if (util.isNumber(id) || util.isString(id)) { + if (this.data[id]) { + delete this.data[id]; + delete this.internalIds[id]; + return id; + } + } + else if (id instanceof Object) { + var itemId = id[this.fieldId]; + if (itemId && this.data[itemId]) { + delete this.data[itemId]; + delete this.internalIds[itemId]; + return itemId; + } + } + return null; +}; + +/** + * Clear the data + * @param {String} [senderId] Optional sender id + * @return {Array} removedIds The ids of all removed items + */ +DataSet.prototype.clear = function (senderId) { + var ids = Object.keys(this.data); + + this.data = {}; + this.internalIds = {}; + + this._trigger('remove', {items: ids}, senderId); + + return ids; +}; + +/** + * Find the item with maximum value of a specified field + * @param {String} field + * @return {Object | null} item Item containing max value, or null if no items + */ +DataSet.prototype.max = function (field) { + var data = this.data, + max = null, + maxField = null; + + for (var id in data) { + if (data.hasOwnProperty(id)) { + var item = data[id]; + var itemField = item[field]; + if (itemField != null && (!max || itemField > maxField)) { + max = item; + maxField = itemField; + } + } + } + + return max; +}; + +/** + * Find the item with minimum value of a specified field + * @param {String} field + * @return {Object | null} item Item containing max value, or null if no items + */ +DataSet.prototype.min = function (field) { + var data = this.data, + min = null, + minField = null; + + for (var id in data) { + if (data.hasOwnProperty(id)) { + var item = data[id]; + var itemField = item[field]; + if (itemField != null && (!min || itemField < minField)) { + min = item; + minField = itemField; + } + } + } + + return min; +}; + +/** + * Find all distinct values of a specified field + * @param {String} field + * @return {Array} values Array containing all distinct values. If the data + * items do not contain the specified field, an array + * containing a single value undefined is returned. + * The returned array is unordered. + */ +DataSet.prototype.distinct = function (field) { + var data = this.data, + values = [], + fieldType = this.options.convert[field], + count = 0; + + for (var prop in data) { + if (data.hasOwnProperty(prop)) { + var item = data[prop]; + var value = util.convert(item[field], fieldType); + var exists = false; + for (var i = 0; i < count; i++) { + if (values[i] == value) { + exists = true; + break; + } + } + if (!exists) { + values[count] = value; + count++; + } + } + } + + return values; +}; + +/** + * Add a single item. Will fail when an item with the same id already exists. + * @param {Object} item + * @return {String} id + * @private + */ +DataSet.prototype._addItem = function (item) { + var id = item[this.fieldId]; + + if (id != undefined) { + // check whether this id is already taken + if (this.data[id]) { + // item already exists + throw new Error('Cannot add item: item with id ' + id + ' already exists'); + } + } + else { + // generate an id + id = util.randomUUID(); + item[this.fieldId] = id; + this.internalIds[id] = item; + } + + var d = {}; + for (var field in item) { + if (item.hasOwnProperty(field)) { + var fieldType = this.convert[field]; // type may be undefined + d[field] = util.convert(item[field], fieldType); + } + } + this.data[id] = d; + + return id; +}; + +/** + * Get an item. Fields can be converted to a specific type + * @param {String} id + * @param {Object.} [convert] field types to convert + * @return {Object | null} item + * @private + */ +DataSet.prototype._getItem = function (id, convert) { + var field, value; + + // get the item from the dataset + var raw = this.data[id]; + if (!raw) { + return null; + } + + // convert the items field types + var converted = {}, + fieldId = this.fieldId, + internalIds = this.internalIds; + if (convert) { + for (field in raw) { + if (raw.hasOwnProperty(field)) { + value = raw[field]; + // output all fields, except internal ids + if ((field != fieldId) || (!(value in internalIds) || this.showInternalIds)) { + converted[field] = util.convert(value, convert[field]); + } + } + } + } + else { + // no field types specified, no converting needed + for (field in raw) { + if (raw.hasOwnProperty(field)) { + value = raw[field]; + // output all fields, except internal ids + if ((field != fieldId) || (!(value in internalIds) || this.showInternalIds)) { + converted[field] = value; + } + } + } + } + return converted; +}; + +/** + * Update a single item: merge with existing item. + * Will fail when the item has no id, or when there does not exist an item + * with the same id. + * @param {Object} item + * @return {String} id + * @private + */ +DataSet.prototype._updateItem = function (item) { + var id = item[this.fieldId]; + if (id == undefined) { + throw new Error('Cannot update item: item has no id (item: ' + JSON.stringify(item) + ')'); + } + var d = this.data[id]; + if (!d) { + // item doesn't exist + throw new Error('Cannot update item: no item with id ' + id + ' found'); + } + + // merge with current item + for (var field in item) { + if (item.hasOwnProperty(field)) { + var fieldType = this.convert[field]; // type may be undefined + d[field] = util.convert(item[field], fieldType); + } + } + + return id; +}; + +/** + * check if an id is an internal or external id + * @param id + * @returns {boolean} + * @private + */ +DataSet.prototype.isInternalId = function(id) { + return (id in this.internalIds); +}; + + +/** + * 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]); + } +}; + +/** + * 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.id = util.randomUUID(); + + this.data = null; + this.ids = {}; // ids of the items currently in memory (just contains a boolean true) + this.options = options || {}; + this.fieldId = 'id'; // name of the field containing id + this.subscribers = {}; // event subscribers + + var me = this; + this.listener = function () { + me._onEvent.apply(me, arguments); + }; + + this.setData(data); +} + +// TODO: implement a function .config() to dynamically update things like configured filter +// and trigger changes accordingly + +/** + * Set a data source for the view + * @param {DataSet | DataView} data + */ +DataView.prototype.setData = function (data) { + var ids, dataItems, i, len; + + if (this.data) { + // unsubscribe from current dataset + if (this.data.unsubscribe) { + this.data.unsubscribe('*', this.listener); + } + + // trigger a remove of all items in memory + ids = []; + for (var id in this.ids) { + if (this.ids.hasOwnProperty(id)) { + ids.push(id); + } + } + this.ids = {}; + this._trigger('remove', {items: ids}); + } + + this.data = data; + + if (this.data) { + // update fieldId + this.fieldId = this.options.fieldId || + (this.data && this.data.options && this.data.options.fieldId) || + 'id'; + + // trigger an add of all added items + ids = this.data.getIds({filter: this.options && this.options.filter}); + for (i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + this.ids[id] = true; + } + this._trigger('add', {items: ids}); + + // subscribe to new dataset + if (this.data.on) { + this.data.on('*', this.listener); + } + } +}; + +/** + * Get data from the data view + * + * Usage: + * + * get() + * get(options: Object) + * get(options: Object, data: Array | DataTable) + * + * get(id: Number) + * get(id: Number, options: Object) + * get(id: Number, options: Object, data: Array | DataTable) + * + * get(ids: Number[]) + * get(ids: Number[], options: Object) + * get(ids: Number[], options: Object, data: Array | DataTable) + * + * Where: + * + * {Number | String} id The id of an item + * {Number[] | String{}} ids An array with ids of items + * {Object} options An Object with options. Available options: + * {String} [type] Type of data to be returned. Can + * be 'DataTable' or 'Array' (default) + * {Object.} [convert] + * {String[]} [fields] field names to be returned + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * {Array | DataTable} [data] If provided, items will be appended to this + * array or table. Required in case of Google + * DataTable. + * @param args + */ +DataView.prototype.get = function (args) { + var me = this; + + // parse the arguments + var ids, options, data; + var firstType = util.getType(arguments[0]); + if (firstType == 'String' || firstType == 'Number' || firstType == 'Array') { + // get(id(s) [, options] [, data]) + ids = arguments[0]; // can be a single id or an array with ids + options = arguments[1]; + data = arguments[2]; + } + else { + // get([, options] [, data]) + options = arguments[0]; + data = arguments[1]; + } + + // extend the options with the default options and provided options + var viewOptions = util.extend({}, this.options, options); + + // create a combined filter method when needed + if (this.options.filter && options && options.filter) { + viewOptions.filter = function (item) { + return me.options.filter(item) && options.filter(item); + } + } + + // build up the call to the linked data set + var getArguments = []; + if (ids != undefined) { + getArguments.push(ids); + } + getArguments.push(viewOptions); + getArguments.push(data); + + return this.data && this.data.get.apply(this.data, getArguments); +}; + +/** + * Get ids of all items or from a filtered set of items. + * @param {Object} [options] An Object with options. Available options: + * {function} [filter] filter items + * {String | function} [order] Order the items by + * a field name or custom sort function. + * @return {Array} ids + */ +DataView.prototype.getIds = function (options) { + var ids; + + if (this.data) { + var defaultFilter = this.options.filter; + var filter; + + if (options && options.filter) { + if (defaultFilter) { + filter = function (item) { + return defaultFilter(item) && options.filter(item); + } + } + else { + filter = options.filter; + } + } + else { + filter = defaultFilter; + } + + ids = this.data.getIds({ + filter: filter, + order: options && options.order + }); + } + else { + ids = []; + } + + return ids; +}; + +/** + * Event listener. Will propagate all events from the connected data set to + * the subscribers of the DataView, but will filter the items and only trigger + * when there are changes in the filtered data set. + * @param {String} event + * @param {Object | null} params + * @param {String} senderId + * @private + */ +DataView.prototype._onEvent = function (event, params, senderId) { + var i, len, id, item, + ids = params && params.items, + data = this.data, + added = [], + updated = [], + removed = []; + + if (ids && data) { + switch (event) { + case 'add': + // filter the ids of the added items + for (i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + item = this.get(id); + if (item) { + this.ids[id] = true; + added.push(id); + } + } + + break; + + case 'update': + // determine the event from the views viewpoint: an updated + // item can be added, updated, or removed from this view. + for (i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + item = this.get(id); + + if (item) { + if (this.ids[id]) { + updated.push(id); + } + else { + this.ids[id] = true; + added.push(id); + } + } + else { + if (this.ids[id]) { + delete this.ids[id]; + removed.push(id); + } + else { + // nothing interesting for me :-( + } + } + } + + break; + + case 'remove': + // filter the ids of the removed items + for (i = 0, len = ids.length; i < len; i++) { + id = ids[i]; + if (this.ids[id]) { + delete this.ids[id]; + removed.push(id); + } + } + + break; + } + + if (added.length) { + this._trigger('add', {items: added}, senderId); + } + if (updated.length) { + this._trigger('update', {items: updated}, senderId); + } + if (removed.length) { + this._trigger('remove', {items: removed}, senderId); + } + } +}; + +// copy subscription functionality from DataSet +DataView.prototype.on = DataSet.prototype.on; +DataView.prototype.off = DataSet.prototype.off; +DataView.prototype._trigger = DataSet.prototype._trigger; + +// TODO: make these functions deprecated (replaced with `on` and `off` since version 0.5) +DataView.prototype.subscribe = DataView.prototype.on; +DataView.prototype.unsubscribe = DataView.prototype.off; + +/** + * @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 + */ +TimeStep = function(start, end, minimumStep) { + // variables + this.current = new Date(); + this._start = new Date(); + this._end = new Date(); + + this.autoScale = true; + this.scale = TimeStep.SCALE.DAY; + this.step = 1; + + // initialize the range + this.setRange(start, end, minimumStep); +}; + +/// enum scale +TimeStep.SCALE = { + MILLISECOND: 1, + SECOND: 2, + MINUTE: 3, + HOUR: 4, + DAY: 5, + WEEKDAY: 6, + MONTH: 7, + YEAR: 8 +}; + + +/** + * Set a new range + * If minimumStep is provided, the step size is chosen as close as possible + * to the minimumStep but larger than minimumStep. If minimumStep is not + * provided, the scale is set to 1 DAY. + * The minimumStep should correspond with the onscreen size of about 6 characters + * @param {Date} [start] The start date and time. + * @param {Date} [end] The end date and time. + * @param {int} [minimumStep] Optional. Minimum step size in milliseconds + */ +TimeStep.prototype.setRange = function(start, end, minimumStep) { + if (!(start instanceof Date) || !(end instanceof Date)) { + throw "No legal start or end date in method setRange"; + } + + this._start = (start != undefined) ? new Date(start.valueOf()) : new Date(); + this._end = (end != undefined) ? new Date(end.valueOf()) : new Date(); + + if (this.autoScale) { + this.setMinimumStep(minimumStep); + } +}; + +/** + * Set the range iterator to the start date. + */ +TimeStep.prototype.first = function() { + this.current = new Date(this._start.valueOf()); + this.roundToMinor(); +}; + +/** + * 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 + } + + 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; + } + } +}; + +/** + * Check if the there is a next step + * @return {boolean} true if the current date has not passed the end date + */ +TimeStep.prototype.hasNext = function () { + return (this.current.valueOf() <= this._end.valueOf()); +}; + +/** + * Do the next step + */ +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()); + } +}; + + +/** + * Get the current datetime + * @return {Date} current The current date + */ +TimeStep.prototype.getCurrent = function() { + return this.current; +}; + +/** + * Set a custom scale. Autoscaling will be disabled. + * For example setScale(SCALE.MINUTES, 5) will result + * in minor steps of 5 minutes, and major steps of an hour. + * + * @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. + */ +TimeStep.prototype.setScale = function(newScale, newStep) { + this.scale = newScale; + + if (newStep > 0) { + this.step = newStep; + } + + this.autoScale = false; +}; + +/** + * Enable or disable autoscaling + * @param {boolean} enable If true, autoascaling is set true + */ +TimeStep.prototype.setAutoScale = function (enable) { + this.autoScale = enable; +}; + + +/** + * 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; + } + + var stepYear = (1000 * 60 * 60 * 24 * 30 * 12); + var stepMonth = (1000 * 60 * 60 * 24 * 30); + var stepDay = (1000 * 60 * 60 * 24); + var stepHour = (1000 * 60 * 60); + var stepMinute = (1000 * 60); + var stepSecond = (1000); + var stepMillisecond= (1); + + // find the smallest step that is larger than the provided minimumStep + if (stepYear*1000 > minimumStep) {this.scale = 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;} +}; + +/** + * Snap a date to a rounded value. + * The snap intervals are dependent on the current scale and step. + * @param {Date} date the date to be snapped. + * @return {Date} snappedDate + */ +TimeStep.prototype.snap = function(date) { + var clone = new Date(date.valueOf()); + + if (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. + } + else { + clone.setDate(1); + } + + clone.setHours(0); + clone.setMinutes(0); + clone.setSeconds(0); + clone.setMilliseconds(0); + } + else if (this.scale == TimeStep.SCALE.DAY || + this.scale == TimeStep.SCALE.WEEKDAY) { + //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.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; + } + } + 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 clone; +}; + +/** + * Check if the current value is a major value (for example when the step + * is DAY, a major value is each first day of the MONTH) + * @return {boolean} true if current date is major, else false. + */ +TimeStep.prototype.isMajor = function() { + 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); + // Note: this is no bug. Major label is equal for both minute and hour scale + 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; + } +}; + + +/** + * Returns formatted text for the minor axislabel, depending on the current + * date and the scale. For example when scale is MINUTE, the current time is + * formatted as "hh:mm". + * @param {Date} [date] custom date. if not provided, current date is taken + */ +TimeStep.prototype.getLabelMinor = function(date) { + if (date == undefined) { + date = this.current; + } + + 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 ''; + } +}; + + +/** + * Returns formatted text for the major axis label, depending on the current + * date and the scale. For example when scale is MINUTE, the major scale is + * hours, and the hour will be formatted as "hh". + * @param {Date} [date] custom date. if not provided, current date is taken + */ +TimeStep.prototype.getLabelMajor = function(date) { + if (date == undefined) { + date = this.current; + } + + //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 ''; + } +}; + +// TODO: turn Stack into a Mixin? + +/** + * @constructor Stack + * Stacks items on top of each other. + * @param {Object} [options] + */ +function Stack (options) { + this.options = options || {}; + this.defaultOptions = { + order: function (a, b) { + // Order: ranges over non-ranges, ranged ordered by width, + // and non-ranges ordered by start. + if (a instanceof ItemRange) { + if (b instanceof ItemRange) { + var aInt = (a.data.end - a.data.start); + var bInt = (b.data.end - b.data.start); + return (aInt - bInt) || (a.data.start - b.data.start); + } + else { + return -1; + } + } + else { + if (b instanceof ItemRange) { + return 1; + } + else { + return (a.data.start - b.data.start); + } + } + }, + margin: { + item: 10, + axis: 20 + } + }; +} + +/** + * Set options for the stack + * @param {Object} options Available options: + * {Number} [margin.item=10] + * {Number} [margin.axis=20] + * {function} [order] Stacking order + */ +Stack.prototype.setOptions = function setOptions (options) { + util.extend(this.options, options); +}; + +/** + * Order an array with items using a predefined order function for items + * @param {Item[]} items + */ +Stack.prototype.order = function order(items) { + //order the items + var order = this.options.order || this.defaultOptions.order; + if (!(typeof order === 'function')) { + throw new Error('Option order must be a function'); + } + items.sort(order); +}; + +/** + * Order items by their start data + * @param {Item[]} items + */ +Stack.prototype.orderByStart = function orderByStart(items) { + items.sort(function (a, b) { + return a.data.start - b.data.start; + }); +}; + +/** + * Order items by their end date. If they have no end date, their start date + * is used. + * @param {Item[]} items + */ +Stack.prototype.orderByEnd = function orderByEnd(items) { + items.sort(function (a, b) { + var aTime = ('end' in a.data) ? a.data.end : a.data.start, + bTime = ('end' in b.data) ? b.data.end : b.data.start; + + return aTime - bTime; + }); +}; + +/** + * Adjust vertical positions of the events such that they don't overlap each + * other. + * @param {Item[]} items All visible items + * @param {boolean} [force=false] If true, all items will be re-stacked. + * If false (default), only items having a + * top===null will be re-stacked + * @private + */ +Stack.prototype.stack = function stack (items, force) { + var i, + iMax, + options = this.options, + marginItem, + marginAxis; + + if (options.margin && options.margin.item !== undefined) { + marginItem = options.margin.item; + } + else { + marginItem = this.defaultOptions.margin.item + } + if (options.margin && options.margin.axis !== undefined) { + marginAxis = options.margin.axis; + } + else { + marginAxis = this.defaultOptions.margin.axis + } + + 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.top === null) { + // initialize top position + item.top = marginAxis; + + 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 && this.collision(item, other, marginItem)) { + collidingItem = other; + break; + } + } + + if (collidingItem != null) { + // There is a collision. Reposition the event above the colliding element + item.top = collidingItem.top + collidingItem.height + marginItem; + } + } while (collidingItem); + } + } +}; + +/** + * Test if the two provided items collide + * The items must have parameters left, width, top, and height. + * @param {Component} a The first item + * @param {Component} b The second item + * @param {Number} margin A minimum required margin. + * If margin is provided, the two items will be + * marked colliding when they overlap or + * when the margin between the two is smaller than + * the requested margin. + * @return {boolean} true if a and b collide, else false + */ +Stack.prototype.collision = function collision (a, b, margin) { + return ((a.left - margin) < (b.left + b.width) && + (a.left + a.width + margin) > b.left && + (a.top - margin) < (b.top + b.height) && + (a.top + a.height + margin) > b.top); +}; + +/** + * @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 {RootPanel} root Root panel, used to subscribe to events + * @param {Panel} parent Parent panel, used to attach to the DOM + * @param {Object} [options] See description at Range.setOptions + */ +function Range(root, parent, options) { + this.id = util.randomUUID(); + this.start = null; // Number + this.end = null; // Number + + this.root = root; + this.parent = parent; + this.options = options || {}; + + // drag listeners for dragging + this.root.on('dragstart', this._onDragStart.bind(this)); + this.root.on('drag', this._onDrag.bind(this)); + this.root.on('dragend', this._onDragEnd.bind(this)); + + // ignore dragging when holding + this.root.on('hold', this._onHold.bind(this)); + + // mouse wheel for zooming + this.root.on('mousewheel', this._onMouseWheel.bind(this)); + this.root.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF + + // pinch to zoom + this.root.on('touch', this._onTouch.bind(this)); + this.root.on('pinch', this._onPinch.bind(this)); + + this.setOptions(options); +} + +// turn Range into an event emitter +Emitter(Range.prototype); + +/** + * Set options for the range controller + * @param {Object} options Available options: + * {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). + */ +Range.prototype.setOptions = function (options) { + util.extend(this.options, options); + + // re-apply range with new limitations + if (this.start !== null && this.end !== null) { + this.setRange(this.start, this.end); + } +}; + +/** + * Test whether direction has a valid value + * @param {String} direction 'horizontal' or 'vertical' + */ +function validateDirection (direction) { + if (direction != 'horizontal' && direction != 'vertical') { + throw new TypeError('Unknown direction "' + direction + '". ' + + 'Choose "horizontal" or "vertical".'); + } +} + +/** + * Set a new start and end range + * @param {Number} [start] + * @param {Number} [end] + */ +Range.prototype.setRange = function(start, end) { + var changed = this._applyRange(start, end); + if (changed) { + var params = { + start: new Date(this.start), + end: new Date(this.end) + }; + this.emit('rangechange', params); + this.emit('rangechanged', params); + } +}; + +/** + * Set a new start and end range. This method is the same as setRange, but + * does not trigger a range change and range changed event, and it returns + * true when the range is changed + * @param {Number} [start] + * @param {Number} [end] + * @return {Boolean} changed + * @private + */ +Range.prototype._applyRange = function(start, end) { + var newStart = (start != null) ? util.convert(start, 'Date').valueOf() : this.start, + newEnd = (end != null) ? util.convert(end, 'Date').valueOf() : this.end, + max = (this.options.max != null) ? util.convert(this.options.max, 'Date').valueOf() : null, + min = (this.options.min != null) ? util.convert(this.options.min, 'Date').valueOf() : null, + diff; + + // check for valid number + if (isNaN(newStart) || newStart === null) { + throw new Error('Invalid start "' + start + '"'); + } + if (isNaN(newEnd) || newEnd === null) { + throw new Error('Invalid end "' + end + '"'); + } + + // prevent start < end + if (newEnd < newStart) { + newEnd = newStart; + } + + // prevent start < min + if (min !== null) { + if (newStart < min) { + diff = (min - newStart); + newStart += diff; + newEnd += diff; + + // prevent end > max + if (max != null) { + if (newEnd > max) { + newEnd = max; + } + } + } + } + + // 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; + } + } + } + + // 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; + } + } + } + + 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 + */ +Range.prototype.getRange = function() { + return { + start: this.start, + end: this.end + }; +}; + +/** + * 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) { + return Range.conversion(this.start, this.end, width); +}; + +/** + * 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) { + if (width != 0 && (end - start != 0)) { + return { + offset: start, + scale: width / (end - start) + } + } + else { + return { + offset: 0, + scale: 1 + }; + } +}; + +// global (private) object to store drag params +var touchParams = {}; + +/** + * Start dragging horizontally or vertically + * @param {Event} event + * @private + */ +Range.prototype._onDragStart = 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 (touchParams.ignore) return; + + // TODO: reckon with option movable + + touchParams.start = this.start; + touchParams.end = this.end; + + var frame = this.parent.frame; + if (frame) { + frame.style.cursor = 'move'; + } +}; + +/** + * Perform dragging operating. + * @param {Event} event + * @private + */ +Range.prototype._onDrag = function (event) { + var direction = this.options.direction; + validateDirection(direction); + + // TODO: reckon with option movable + + + // 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 (touchParams.ignore) return; + + var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY, + interval = (touchParams.end - touchParams.start), + width = (direction == 'horizontal') ? this.parent.width : this.parent.height, + diffRange = -delta / width * interval; + + this._applyRange(touchParams.start + diffRange, touchParams.end + diffRange); + + this.emit('rangechange', { + start: new Date(this.start), + end: new Date(this.end) + }); +}; + +/** + * Stop dragging operating. + * @param {event} event + * @private + */ +Range.prototype._onDragEnd = 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 (touchParams.ignore) return; + + // TODO: reckon with option movable + + if (this.parent.frame) { + this.parent.frame.style.cursor = 'auto'; + } + + // fire a rangechanged event + this.emit('rangechanged', { + start: new Date(this.start), + end: new Date(this.end) + }); +}; + +/** + * Event handler for mouse wheel event, used to zoom + * Code from http://adomas.org/javascript-mouse-wheel/ + * @param {Event} event + * @private + */ +Range.prototype._onMouseWheel = function(event) { + // TODO: reckon with option zoomable + + // retrieve delta + var delta = 0; + if (event.wheelDelta) { /* IE/Opera. */ + delta = event.wheelDelta / 120; + } else if (event.detail) { /* Mozilla case. */ + // In Mozilla, sign of delta is different than in IE. + // Also, delta is multiple of 3. + delta = -event.detail / 3; + } + + // If delta is nonzero, handle it. + // Basically, delta is now positive if wheel was scrolled up, + // and negative, if wheel was scrolled down. + if (delta) { + // perform the zoom action. Delta is normally 1 or -1 + + // adjust a negative delta such that zooming in with delta 0.1 + // equals zooming out with a delta -0.1 + var scale; + if (delta < 0) { + scale = 1 - (delta / 5); + } + else { + scale = 1 / (1 + (delta / 5)) ; + } + + // calculate center, the date to zoom around + var gesture = util.fakeGesture(this, event), + pointer = getPointer(gesture.center, this.parent.frame), + pointerDate = this._pointerToDate(pointer); + + this.zoom(scale, pointerDate); + } + + // Prevent default actions caused by mouse wheel + // (else the page and timeline both zoom and scroll) + event.preventDefault(); +}; + +/** + * Start of a touch gesture + * @private + */ +Range.prototype._onTouch = function (event) { + touchParams.start = this.start; + touchParams.end = this.end; + touchParams.ignore = false; + touchParams.center = null; + + // don't move the range when dragging a selected event + // TODO: it's not so neat to have to know about the state of the ItemSet + var item = ItemSet.itemFromTarget(event); + if (item && item.selected && this.options.editable) { + touchParams.ignore = true; + } +}; + +/** + * On start of a hold gesture + * @private + */ +Range.prototype._onHold = function () { + touchParams.ignore = true; +}; + +/** + * Handle pinch event + * @param {Event} event + * @private + */ +Range.prototype._onPinch = function (event) { + var direction = this.options.direction; + touchParams.ignore = true; + + // TODO: reckon with option zoomable + + if (event.gesture.touches.length > 1) { + if (!touchParams.center) { + touchParams.center = getPointer(event.gesture.center, this.parent.frame); + } + + var scale = 1 / event.gesture.scale, + initDate = this._pointerToDate(touchParams.center), + center = getPointer(event.gesture.center, this.parent.frame), + date = this._pointerToDate(this.parent, center), + delta = date - initDate; // TODO: utilize delta + + // calculate new start and end + var newStart = parseInt(initDate + (touchParams.start - initDate) * scale); + var newEnd = parseInt(initDate + (touchParams.end - initDate) * scale); + + // apply new range + this.setRange(newStart, newEnd); + } +}; + +/** + * 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; + + validateDirection(direction); + + if (direction == 'horizontal') { + var width = this.parent.width; + conversion = this.conversion(width); + return pointer.x / conversion.scale + conversion.offset; + } + else { + var height = this.parent.height; + conversion = this.conversion(height); + return pointer.y / conversion.scale + conversion.offset; + } +}; + +/** + * Get the pointer location relative to the location of the dom element + * @param {{pageX: Number, pageY: Number}} touch + * @param {Element} element HTML DOM element + * @return {{x: Number, y: Number}} pointer + * @private + */ +function getPointer (touch, element) { + return { + x: touch.pageX - vis.util.getAbsoluteLeft(element), + y: touch.pageY - vis.util.getAbsoluteTop(element) + }; +} + +/** + * Zoom the range the given scale in or out. Start and end date will + * be adjusted, and the timeline will be redrawn. You can optionally give a + * date around which to zoom. + * For example, try scale = 0.9 or 1.1 + * @param {Number} scale Scaling factor. Values above 1 will zoom out, + * values below 1 will zoom in. + * @param {Number} [center] Value representing a date around which will + * be zoomed. + */ +Range.prototype.zoom = function(scale, center) { + // if centerDate is not provided, take it half between start Date and end Date + if (center == null) { + center = (this.start + this.end) / 2; + } + + // calculate new start and end + var newStart = center + (this.start - center) * scale; + var newEnd = center + (this.end - center) * scale; + + this.setRange(newStart, newEnd); +}; + +/** + * Move the range with a given delta to the left or right. Start and end + * value will be adjusted. For example, try delta = 0.1 or -0.1 + * @param {Number} delta Moving amount. Positive value will move right, + * negative value will move left + */ +Range.prototype.move = function(delta) { + // zoom start Date and end Date relative to the centerDate + var diff = (this.end - this.start); + + // apply new values + var newStart = this.start + diff * delta; + var newEnd = this.end + diff * delta; + + // TODO: reckon with min and max range + + this.start = newStart; + this.end = newEnd; +}; + +/** + * Move the range to a new center point + * @param {Number} moveTo New center point of the range + */ +Range.prototype.moveTo = function(moveTo) { + var center = (this.start + this.end) / 2; + + var diff = center - moveTo; + + // calculate new start and end + var newStart = this.start - diff; + var newEnd = this.end - diff; + + this.setRange(newStart, newEnd); +}; + +/** + * Prototype for visual components + */ +function Component () { + this.id = null; + this.parent = null; + this.childs = null; + this.options = null; + + this.top = 0; + this.left = 0; + this.width = 0; + this.height = 0; +} + +// Turn the Component into an event emitter +Emitter(Component.prototype); + +/** + * Set parameters for the frame. Parameters will be merged in current parameter + * set. + * @param {Object} options Available parameters: + * {String | function} [className] + * {String | Number | function} [left] + * {String | Number | function} [top] + * {String | Number | function} [width] + * {String | Number | function} [height] + */ +Component.prototype.setOptions = function setOptions(options) { + if (options) { + util.extend(this.options, options); + + this.repaint(); + } +}; + +/** + * Get an option value by name + * The function will first check this.options object, and else will check + * this.defaultOptions. + * @param {String} name + * @return {*} value + */ +Component.prototype.getOption = function getOption(name) { + var value; + if (this.options) { + value = this.options[name]; + } + if (value === undefined && this.defaultOptions) { + value = this.defaultOptions[name]; + } + return value; +}; + +/** + * Get the frame element of the component, the outer HTML DOM element. + * @returns {HTMLElement | null} frame + */ +Component.prototype.getFrame = function getFrame() { + // should be implemented by the component + return null; +}; + +/** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ +Component.prototype.repaint = function repaint() { + // should be implemented by the component + return false; +}; + +/** + * Test whether the component is resized since the last time _isResized() was + * called. + * @return {Boolean} Returns true if the component is resized + * @private + */ +Component.prototype._isResized = function _isResized() { + var resized = (this._previousWidth !== this.width || this._previousHeight !== this.height); + + this._previousWidth = this.width; + this._previousHeight = this.height; + + return resized; +}; + +/** + * A panel can contain components + * @param {Object} [options] Available parameters: + * {String | Number | function} [left] + * {String | Number | function} [top] + * {String | Number | function} [width] + * {String | Number | function} [height] + * {String | function} [className] + * @constructor Panel + * @extends Component + */ +function Panel(options) { + this.id = util.randomUUID(); + this.parent = null; + this.childs = []; + + this.options = options || {}; + + // create frame + this.frame = (typeof document !== 'undefined') ? document.createElement('div') : null; +} + +Panel.prototype = new Component(); + +/** + * Set options. Will extend the current options. + * @param {Object} [options] Available parameters: + * {String | function} [className] + * {String | Number | function} [left] + * {String | Number | function} [top] + * {String | Number | function} [width] + * {String | Number | function} [height] + */ +Panel.prototype.setOptions = Component.prototype.setOptions; + +/** + * Get the outer frame of the panel + * @returns {HTMLElement} frame + */ +Panel.prototype.getFrame = function () { + return this.frame; +}; + +/** + * Append a child to the panel + * @param {Component} child + */ +Panel.prototype.appendChild = function (child) { + this.childs.push(child); + child.parent = this; + + // attach to the DOM + var frame = child.getFrame(); + if (frame) { + if (frame.parentNode) { + frame.parentNode.removeChild(frame); + } + this.frame.appendChild(frame); + } +}; + +/** + * Insert a child to the panel + * @param {Component} child + * @param {Component} beforeChild + */ +Panel.prototype.insertBefore = function (child, beforeChild) { + var index = this.childs.indexOf(beforeChild); + if (index != -1) { + this.childs.splice(index, 0, child); + child.parent = this; + + // attach to the DOM + var frame = child.getFrame(); + if (frame) { + if (frame.parentNode) { + frame.parentNode.removeChild(frame); + } + + var beforeFrame = beforeChild.getFrame(); + if (beforeFrame) { + this.frame.insertBefore(frame, beforeFrame); + } + else { + this.frame.appendChild(frame); + } + } + } +}; + +/** + * Remove a child from the panel + * @param {Component} child + */ +Panel.prototype.removeChild = function (child) { + var index = this.childs.indexOf(child); + if (index != -1) { + this.childs.splice(index, 1); + child.parent = null; + + // remove from the DOM + var frame = child.getFrame(); + if (frame && frame.parentNode) { + this.frame.removeChild(frame); + } + } +}; + +/** + * Test whether the panel contains given child + * @param {Component} child + */ +Panel.prototype.hasChild = function (child) { + var index = this.childs.indexOf(child); + return (index != -1); +}; + +/** + * Repaint the component + * @return {boolean} Returns true if the component was resized since previous repaint + */ +Panel.prototype.repaint = function () { + var asString = util.option.asString, + options = this.options, + frame = this.getFrame(); + + // update className + frame.className = 'vpanel' + (options.className ? (' ' + asString(options.className)) : ''); + + // repaint the child components + var childsResized = this._repaintChilds(); + + // update frame size + this._updateSize(); + + return this._isResized() || childsResized; +}; + +/** + * Repaint all childs of the panel + * @return {boolean} Returns true if the component is resized + * @private + */ +Panel.prototype._repaintChilds = function () { + var resized = false; + for (var i = 0, ii = this.childs.length; i < ii; i++) { + resized = this.childs[i].repaint() || resized; + } + return resized; +}; + +/** + * Apply the size from options to the panel, and recalculate it's actual size. + * @private + */ +Panel.prototype._updateSize = function () { + // apply size + this.frame.style.top = util.option.asSize(this.options.top); + this.frame.style.bottom = util.option.asSize(this.options.bottom); + this.frame.style.left = util.option.asSize(this.options.left); + this.frame.style.right = util.option.asSize(this.options.right); + this.frame.style.width = util.option.asSize(this.options.width, '100%'); + this.frame.style.height = util.option.asSize(this.options.height, ''); + + // get actual size + this.top = this.frame.offsetTop; + this.left = this.frame.offsetLeft; + this.width = this.frame.offsetWidth; + this.height = this.frame.offsetHeight; +}; + +/** + * A root panel can hold components. The root panel must be initialized with + * a DOM element as container. + * @param {HTMLElement} container + * @param {Object} [options] Available parameters: see RootPanel.setOptions. + * @constructor RootPanel + * @extends Panel + */ +function RootPanel(container, options) { + this.id = util.randomUUID(); + this.container = container; + + this.options = options || {}; + this.defaultOptions = { + autoResize: true + }; + + // create the HTML DOM + this._create(); + + // attach the root panel to the provided container + if (!this.container) throw new Error('Cannot repaint root panel: no container attached'); + this.container.appendChild(this.getFrame()); + + + this._initWatch(); +} + +RootPanel.prototype = new Panel(); + +/** + * Create the HTML DOM for the root panel + */ +RootPanel.prototype._create = function _create() { + // create frame + this.frame = document.createElement('div'); + + // create event listeners for all interesting events, these events will be + // emitted via emitter + this.hammer = Hammer(this.frame, { + prevent_default: true + }); + this.listeners = {}; + + var me = this; + var events = [ + 'touch', 'pinch', 'tap', 'doubletap', 'hold', + 'dragstart', 'drag', 'dragend', + 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is for Firefox + ]; + events.forEach(function (event) { + var listener = function () { + var args = [event].concat(Array.prototype.slice.call(arguments, 0)); + me.emit.apply(me, args); + }; + me.hammer.on(event, listener); + me.listeners[event] = listener; + }); +}; + +/** + * Set options. Will extend the current options. + * @param {Object} [options] Available parameters: + * {String | function} [className] + * {String | Number | function} [left] + * {String | Number | function} [top] + * {String | Number | function} [width] + * {String | Number | function} [height] + * {Boolean | function} [autoResize] + */ +RootPanel.prototype.setOptions = function setOptions(options) { + if (options) { + util.extend(this.options, options); + + this.repaint(); + + this._initWatch(); + } +}; + +/** + * Get the frame of the root panel + */ +RootPanel.prototype.getFrame = function getFrame() { + return this.frame; +}; + +/** + * Repaint the root panel + */ +RootPanel.prototype.repaint = function repaint() { + // update class name + var options = this.options; + var className = 'vis timeline rootpanel ' + options.orientation + (options.editable ? ' editable' : ''); + if (options.className) className += ' ' + util.option.asString(className); + this.frame.className = className; + + // repaint the child components + var childsResized = this._repaintChilds(); + + // update frame size + this.frame.style.maxHeight = util.option.asSize(this.options.maxHeight, ''); + this._updateSize(); + + // if the root panel or any of its childs is resized, repaint again, + // as other components may need to be resized accordingly + var resized = this._isResized() || childsResized; + if (resized) { + setTimeout(this.repaint.bind(this), 0); + } +}; + +/** + * Initialize watching when option autoResize is true + * @private + */ +RootPanel.prototype._initWatch = function _initWatch() { + var autoResize = this.getOption('autoResize'); + if (autoResize) { + this._watch(); + } + else { + this._unwatch(); + } +}; + +/** + * Watch for changes in the size of the frame. On resize, the Panel will + * automatically redraw itself. + * @private + */ +RootPanel.prototype._watch = function _watch() { + var me = this; + + this._unwatch(); + + var checkSize = function checkSize() { + var autoResize = me.getOption('autoResize'); + if (!autoResize) { + // stop watching when the option autoResize is changed to false + me._unwatch(); + return; + } + + if (me.frame) { + // check whether the frame is resized + if ((me.frame.clientWidth != me.lastWidth) || + (me.frame.clientHeight != me.lastHeight)) { + me.lastWidth = me.frame.clientWidth; + me.lastHeight = me.frame.clientHeight; + me.repaint(); + // TODO: emit a resize event instead? + } + } + }; + + // TODO: automatically cleanup the event listener when the frame is deleted + util.addEventListener(window, 'resize', checkSize); + + this.watchTimer = setInterval(checkSize, 1000); +}; + +/** + * Stop watching for a resize of the frame. + * @private + */ +RootPanel.prototype._unwatch = function _unwatch() { + if (this.watchTimer) { + clearInterval(this.watchTimer); + this.watchTimer = undefined; + } + + // TODO: remove event listener on window.resize +}; + +/** + * A horizontal time axis + * @param {Object} [options] See TimeAxis.setOptions for the available + * options. + * @constructor TimeAxis + * @extends Component + */ +function TimeAxis (options) { + this.id = util.randomUUID(); + + this.dom = { + majorLines: [], + majorTexts: [], + minorLines: [], + minorTexts: [], + redundant: { + majorLines: [], + majorTexts: [], + minorLines: [], + minorTexts: [] + } + }; + this.props = { + range: { + start: 0, + end: 0, + minimumStep: 0 + }, + lineTop: 0 + }; + + this.options = options || {}; + this.defaultOptions = { + orientation: 'bottom', // supported: 'top', 'bottom' + // TODO: implement timeaxis orientations 'left' and 'right' + showMinorLabels: true, + showMajorLabels: true + }; + + this.range = null; + + // create the HTML DOM + this._create(); +} + +TimeAxis.prototype = new Component(); + +// TODO: comment options +TimeAxis.prototype.setOptions = Component.prototype.setOptions; + +/** + * Create the HTML DOM for the TimeAxis + */ +TimeAxis.prototype._create = function _create() { + this.frame = document.createElement('div'); +}; + +/** + * Set a range (start and end) + * @param {Range | Object} range A Range or an object containing start and end. + */ +TimeAxis.prototype.setRange = function (range) { + if (!(range instanceof Range) && (!range || !range.start || !range.end)) { + throw new TypeError('Range must be an instance of Range, ' + + 'or an object containing start and end.'); + } + this.range = range; +}; + +/** + * Get the outer frame of the time axis + * @return {HTMLElement} frame + */ +TimeAxis.prototype.getFrame = function getFrame() { + return this.frame; +}; + +/** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ +TimeAxis.prototype.repaint = function () { + var asSize = util.option.asSize, + options = this.options, + props = this.props, + frame = this.frame; + + // update classname + frame.className = 'timeaxis'; // TODO: add className from options if defined + + var parent = frame.parentNode; + if (parent) { + // calculate character width and height + this._calculateCharSize(); + + // TODO: recalculate sizes only needed when parent is resized or options is changed + var orientation = this.getOption('orientation'), + showMinorLabels = this.getOption('showMinorLabels'), + showMajorLabels = this.getOption('showMajorLabels'); + + // determine the width and height of the elemens for the axis + var parentHeight = this.parent.height; + props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; + props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; + this.height = props.minorLabelHeight + props.majorLabelHeight; + this.width = frame.offsetWidth; // TODO: only update the width when the frame is resized? + + props.minorLineHeight = parentHeight + props.minorLabelHeight; + props.minorLineWidth = 1; // TODO: really calculate width + props.majorLineHeight = parentHeight + this.height; + props.majorLineWidth = 1; // TODO: really calculate width + + // take frame offline while updating (is almost twice as fast) + var beforeChild = frame.nextSibling; + parent.removeChild(frame); + + // TODO: top/bottom positioning should be determined by options set in the Timeline, not here + if (orientation == 'top') { + frame.style.top = '0'; + frame.style.left = '0'; + frame.style.bottom = ''; + frame.style.width = asSize(options.width, '100%'); + frame.style.height = this.height + 'px'; + } + else { // bottom + frame.style.top = ''; + frame.style.bottom = '0'; + frame.style.left = '0'; + frame.style.width = asSize(options.width, '100%'); + frame.style.height = this.height + 'px'; + } + + this._repaintLabels(); + + this._repaintLine(); + + // put frame online again + if (beforeChild) { + parent.insertBefore(frame, beforeChild); + } + else { + parent.appendChild(frame) + } + } + + return this._isResized(); +}; + +/** + * Repaint major and minor text labels and vertical grid lines + * @private + */ +TimeAxis.prototype._repaintLabels = function () { + var orientation = this.getOption('orientation'); + + // calculate range and step + var start = util.convert(this.range.start, 'Number'), + end = util.convert(this.range.end, 'Number'), + minimumStep = this.options.toTime((this.props.minorCharWidth || 10) * 5).valueOf() + -this.options.toTime(0).valueOf(); + var step = new TimeStep(new Date(start), new Date(end), minimumStep); + 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(), + x = this.options.toScreen(cur), + isMajor = step.isMajor(); + + // TODO: lines must have a width, such that we can create css backgrounds + + if (this.getOption('showMinorLabels')) { + this._repaintMinorText(x, step.getLabelMinor(), orientation); + } + + if (isMajor && this.getOption('showMajorLabels')) { + if (x > 0) { + if (xFirstMajorLabel == undefined) { + xFirstMajorLabel = x; + } + this._repaintMajorText(x, step.getLabelMajor(), orientation); + } + this._repaintMajorLine(x, orientation); + } + else { + this._repaintMinorLine(x, orientation); + } + + step.next(); + } + + // create a major label on the left when needed + if (this.getOption('showMajorLabels')) { + var leftTime = this.options.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); + } + } + }); +}; + +/** + * Create a minor label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @private + */ +TimeAxis.prototype._repaintMinorText = function (x, text, orientation) { + // reuse redundant label + var label = this.dom.redundant.minorTexts.shift(); + + if (!label) { + // create new label + var content = document.createTextNode(''); + label = document.createElement('div'); + label.appendChild(content); + label.className = 'text minor'; + this.frame.appendChild(label); + } + this.dom.minorTexts.push(label); + + label.childNodes[0].nodeValue = text; + + if (orientation == 'top') { + label.style.top = this.props.majorLabelHeight + 'px'; + label.style.bottom = ''; + } + else { + label.style.top = ''; + label.style.bottom = this.props.majorLabelHeight + 'px'; + } + label.style.left = x + 'px'; + //label.title = title; // TODO: this is a heavy operation +}; + +/** + * Create a Major label for the axis at position x + * @param {Number} x + * @param {String} text + * @param {String} orientation "top" or "bottom" (default) + * @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.frame.appendChild(label); + } + this.dom.majorTexts.push(label); + + label.childNodes[0].nodeValue = text; + //label.title = title; // TODO: this is a heavy operation + + if (orientation == 'top') { + label.style.top = '0px'; + label.style.bottom = ''; + } + else { + label.style.top = ''; + label.style.bottom = '0px'; + } + 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 + */ +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.frame.appendChild(line); + } + this.dom.minorLines.push(line); + + var props = this.props; + if (orientation == 'top') { + line.style.top = this.props.majorLabelHeight + 'px'; + line.style.bottom = ''; + } + else { + line.style.top = ''; + line.style.bottom = this.props.majorLabelHeight + 'px'; + } + 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.frame.appendChild(line); + } + this.dom.majorLines.push(line); + + var props = this.props; + if (orientation == 'top') { + line.style.top = '0px'; + line.style.bottom = ''; + } + else { + line.style.top = ''; + line.style.bottom = '0px'; + } + line.style.left = (x - props.majorLineWidth / 2) + 'px'; + line.style.height = props.majorLineHeight + 'px'; +}; + + +/** + * Repaint the horizontal line for the axis + * @private + */ +TimeAxis.prototype._repaintLine = function() { + var line = this.dom.line, + frame = this.frame, + orientation = this.getOption('orientation'); + + // line before all axis elements + if (this.getOption('showMinorLabels') || this.getOption('showMajorLabels')) { + if (line) { + // put this line at the end of all childs + frame.removeChild(line); + frame.appendChild(line); + } + else { + // create the axis line + line = document.createElement('div'); + line.className = 'grid horizontal major'; + frame.appendChild(line); + this.dom.line = line; + } + + if (orientation == 'top') { + line.style.top = this.height + 'px'; + line.style.bottom = ''; + } + else { + line.style.top = ''; + line.style.bottom = this.height + 'px'; + } + } + else { + if (line && line.parentNode) { + line.parentNode.removeChild(line); + delete this.dom.line; + } + } +}; + +/** + * Determine the size of text on the axis (both major and minor axis). + * The size is calculated only once and then cached in this.props. + * @private + */ +TimeAxis.prototype._calculateCharSize = function () { + // 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 = 'text minor measure'; + measureCharMinor.appendChild(textMinor); + this.frame.appendChild(measureCharMinor); + + this.props.minorCharHeight = measureCharMinor.clientHeight; + this.props.minorCharWidth = measureCharMinor.clientWidth; + + this.frame.removeChild(measureCharMinor); + } + + if (!('majorCharHeight' in this.props)) { + var textMajor = document.createTextNode('0'); + var measureCharMajor = document.createElement('DIV'); + measureCharMajor.className = 'text major measure'; + measureCharMajor.appendChild(textMajor); + this.frame.appendChild(measureCharMajor); + + this.props.majorCharHeight = measureCharMajor.clientHeight; + this.props.majorCharWidth = measureCharMajor.clientWidth; + + this.frame.removeChild(measureCharMajor); + } +}; + +/** + * 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 snap (date) { + return this.step.snap(date); +}; + +/** + * A current time bar + * @param {Range} range + * @param {Object} [options] Available parameters: + * {Boolean} [showCurrentTime] + * @constructor CurrentTime + * @extends Component + */ + +function CurrentTime (range, options) { + this.id = util.randomUUID(); + + this.range = range; + this.options = options || {}; + this.defaultOptions = { + showCurrentTime: false + }; + + this._create(); +} + +CurrentTime.prototype = new Component(); + +CurrentTime.prototype.setOptions = Component.prototype.setOptions; + +/** + * Create the HTML DOM for the current time bar + * @private + */ +CurrentTime.prototype._create = function _create () { + var bar = document.createElement('div'); + bar.className = 'currenttime'; + bar.style.position = 'absolute'; + bar.style.top = '0px'; + bar.style.height = '100%'; + + this.bar = bar; +}; + +/** + * Get the frame element of the current time bar + * @returns {HTMLElement} frame + */ +CurrentTime.prototype.getFrame = function getFrame() { + return this.bar; +}; + +/** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ +CurrentTime.prototype.repaint = function repaint() { + var parent = this.parent; + + var now = new Date(); + var x = this.options.toScreen(now); + + this.bar.style.left = x + 'px'; + this.bar.title = 'Current time: ' + now; + + return false; +}; + +/** + * Start auto refreshing the current time bar + */ +CurrentTime.prototype.start = function start() { + var me = this; + + function update () { + me.stop(); + + // determine interval to refresh + var scale = me.range.conversion(me.parent.width).scale; + var interval = 1 / scale / 10; + if (interval < 30) interval = 30; + if (interval > 1000) interval = 1000; + + me.repaint(); + + // start a timer to adjust for the new time + me.currentTimeTimer = setTimeout(update, interval); + } + + update(); +}; + +/** + * Stop auto refreshing the current time bar + */ +CurrentTime.prototype.stop = function stop() { + if (this.currentTimeTimer !== undefined) { + clearTimeout(this.currentTimeTimer); + delete this.currentTimeTimer; + } +}; + +/** + * A custom time bar + * @param {Object} [options] Available parameters: + * {Boolean} [showCustomTime] + * @constructor CustomTime + * @extends Component + */ + +function CustomTime (options) { + this.id = util.randomUUID(); + + this.options = options || {}; + this.defaultOptions = { + showCustomTime: false + }; + + this.customTime = new Date(); + this.eventParams = {}; // stores state parameters while dragging the bar + + // create the DOM + this._create(); +} + +CustomTime.prototype = new Component(); + +CustomTime.prototype.setOptions = Component.prototype.setOptions; + +/** + * Create the DOM for the custom time + * @private + */ +CustomTime.prototype._create = function _create () { + 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)); +}; + +/** + * Get the frame element of the custom time bar + * @returns {HTMLElement} frame + */ +CustomTime.prototype.getFrame = function getFrame() { + return this.bar; +}; + +/** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ +CustomTime.prototype.repaint = function () { + var x = this.options.toScreen(this.customTime); + + this.bar.style.left = x + 'px'; + this.bar.title = 'Time: ' + this.customTime; + + return false; +}; + +/** + * Set custom time. + * @param {Date} time + */ +CustomTime.prototype.setCustomTime = function(time) { + this.customTime = new Date(time.valueOf()); + this.repaint(); +}; + +/** + * Retrieve the current custom time. + * @return {Date} customTime + */ +CustomTime.prototype.getCustomTime = function() { + return new Date(this.customTime.valueOf()); +}; + +/** + * 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.options.toScreen(this.eventParams.customTime) + deltaX, + time = this.options.toTime(x); + + this.setCustomTime(time); + + // fire a timechange event + this.emit('timechange', { + time: new Date(this.customTime.valueOf()) + }); + + event.stopPropagation(); + event.preventDefault(); +}; + +/** + * Stop moving operating. + * @param {event} event + * @private + */ +CustomTime.prototype._onDragEnd = function (event) { + if (!this.eventParams.dragging) return; + + // fire a timechanged event + this.emit('timechanged', { + time: new Date(this.customTime.valueOf()) + }); + + event.stopPropagation(); + event.preventDefault(); +}; + +/** + * 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 {Panel} backgroundPanel Panel which can be used to display the + * vertical lines of box items. + * @param {Panel} axisPanel Panel on the axis where the dots of box-items + * can be displayed. + * @param {Object} [options] See ItemSet.setOptions for the available options. + * @constructor ItemSet + * @extends Panel + */ +function ItemSet(backgroundPanel, axisPanel, options) { + this.id = util.randomUUID(); + + // one options object is shared by this itemset and all its items + this.options = options || {}; + this.backgroundPanel = backgroundPanel; + this.axisPanel = axisPanel; + this.itemOptions = Object.create(this.options); + this.dom = {}; + this.hammer = null; + + var me = this; + this.itemsData = null; // DataSet + this.range = null; // Range or Object {start: number, end: number} + + // data change listeners + this.listeners = { + 'add': function (event, params, senderId) { + if (senderId != me.id) me._onAdd(params.items); + }, + 'update': function (event, params, senderId) { + if (senderId != me.id) me._onUpdate(params.items); + }, + 'remove': function (event, params, senderId) { + if (senderId != me.id) me._onRemove(params.items); + } + }; + + this.items = {}; // object with an Item for every data item + this.orderedItems = { + byStart: [], + byEnd: [] + }; + this.visibleItems = []; // visible, ordered items + this.visibleItemsStart = 0; // start index of visible items in this.orderedItems // TODO: cleanup + this.visibleItemsEnd = 0; // start index of visible items in this.orderedItems // TODO: cleanup + this.selection = []; // list with the ids of all selected nodes + this.queue = {}; // queue with id/actions: 'add', 'update', 'delete' + this.stack = new Stack(Object.create(this.options)); + this.stackDirty = true; // if true, all items will be restacked on next repaint + + this.touchParams = {}; // stores properties while dragging + + // create the HTML DOM + this._create(); +} + +ItemSet.prototype = new Panel(); + +// available item types will be registered here +ItemSet.types = { + box: ItemBox, + range: ItemRange, + rangeoverflow: ItemRangeOverflow, + point: ItemPoint +}; + +/** + * Create the HTML DOM for the ItemSet + */ +ItemSet.prototype._create = function _create(){ + var frame = document.createElement('div'); + frame['timeline-itemset'] = this; + this.frame = frame; + + // create background panel + var background = document.createElement('div'); + background.className = 'background'; + this.backgroundPanel.frame.appendChild(background); + this.dom.background = background; + + // 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; + this.axisPanel.frame.appendChild(axis); + + // attach event listeners + // TODO: use event listeners from the rootpanel to improve performance? + this.hammer = Hammer(frame, { + 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 options for the ItemSet. Existing options will be extended/overwritten. + * @param {Object} [options] The following options are available: + * {String | function} [className] + * class name for the itemset + * {String} [type] + * Default type for the items. Choose from 'box' + * (default), 'point', or 'range'. The default + * Style can be overwritten by individual items. + * {String} align + * Alignment for the items, only applicable for + * ItemBox. Choose 'center' (default), 'left', or + * 'right'. + * {String} orientation + * Orientation of the item set. Choose 'top' or + * 'bottom' (default). + * {Number} margin.axis + * Margin between the axis and the items in pixels. + * Default is 20. + * {Number} margin.item + * Margin between items in pixels. Default is 10. + * {Number} padding + * Padding of the contents of an item in pixels. + * Must correspond with the items css. Default is 5. + * {Function} snap + * Function to let items snap to nice dates when + * dragging items. + */ +ItemSet.prototype.setOptions = Component.prototype.setOptions; + +/** + * Hide the component from the DOM + */ +ItemSet.prototype.hide = function hide() { + // remove the axis with dots + if (this.dom.axis.parentNode) { + this.dom.axis.parentNode.removeChild(this.dom.axis); + } + + // remove the background with vertical lines + if (this.dom.background.parentNode) { + this.dom.background.parentNode.removeChild(this.dom.background); + } +}; + +/** + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed + */ +ItemSet.prototype.show = function show() { + // show axis with dots + if (!this.dom.axis.parentNode) { + this.axisPanel.frame.appendChild(this.dom.axis); + } + + // show background with vertical lines + if (!this.dom.background.parentNode) { + this.backgroundPanel.frame.appendChild(this.dom.background); + } +}; + +/** + * Set range (start and end). + * @param {Range | Object} range A Range or an object containing start and end. + */ +ItemSet.prototype.setRange = function setRange(range) { + if (!(range instanceof Range) && (!range || !range.start || !range.end)) { + throw new TypeError('Range must be an instance of Range, ' + + 'or an object containing start and end.'); + } + this.range = range; +}; + +/** + * Set selected items by their id. Replaces the current selection + * Unknown id's are silently ignored. + * @param {Array} [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. + */ +ItemSet.prototype.setSelection = function setSelection(ids) { + var i, ii, id, item; + + if (ids) { + if (!Array.isArray(ids)) { + throw new TypeError('Array expected'); + } + + // unselect currently selected items + for (i = 0, ii = this.selection.length; i < ii; i++) { + id = this.selection[i]; + item = this.items[id]; + if (item) item.unselect(); + } + + // select items + this.selection = []; + for (i = 0, ii = ids.length; i < ii; i++) { + id = ids[i]; + item = this.items[id]; + if (item) { + this.selection.push(id); + item.select(); + } + } + } +}; + +/** + * Get the selected items by their id + * @return {Array} ids The ids of the selected items + */ +ItemSet.prototype.getSelection = function getSelection() { + return this.selection.concat([]); +}; + +/** + * Deselect a selected item + * @param {String | Number} id + * @private + */ +ItemSet.prototype._deselect = function _deselect(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; + } + } +}; + +/** + * Return the item sets frame + * @returns {HTMLElement} frame + */ +ItemSet.prototype.getFrame = function getFrame() { + return this.frame; +}; + +/** + * Repaint the component + * @return {boolean} Returns true if the component is resized + */ +ItemSet.prototype.repaint = function repaint() { + var asSize = util.option.asSize, + asString = util.option.asString, + options = this.options, + orientation = this.getOption('orientation'), + frame = this.frame; + + // update className + frame.className = 'itemset' + (options.className ? (' ' + asString(options.className)) : ''); + + // check whether zoomed (in that case we need to re-stack everything) + var visibleInterval = this.range.end - this.range.start; + var zoomed = (visibleInterval != this.lastVisibleInterval) || (this.width != this.lastWidth); + this.lastVisibleInterval = visibleInterval; + this.lastWidth = this.width; + + /* TODO: implement+fix smarter way to update visible items + // find the first visible item + // TODO: use faster search, not linear + var byEnd = this.orderedItems.byEnd; + var start = 0; + var item = null; + while ((item = byEnd[start]) && + (('end' in item.data) ? item.data.end : item.data.start) < this.range.start) { + start++; + } + + // find the last visible item + // TODO: use faster search, not linear + var byStart = this.orderedItems.byStart; + var end = 0; + while ((item = byStart[end]) && item.data.start < this.range.end) { + end++; + } + + console.log('visible items', start, end); // TODO: cleanup + console.log('visible item ids', byStart[start] && byStart[start].id, byEnd[end-1] && byEnd[end-1].id); // TODO: cleanup + + this.visibleItems = []; + var i = start; + item = byStart[i]; + var lastItem = byEnd[end]; + while (item && item !== lastItem) { + this.visibleItems.push(item); + item = byStart[++i]; + } + this.stack.order(this.visibleItems); + + // show visible items + for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { + item = this.visibleItems[i]; + + if (!item.displayed) item.show(); + item.top = null; // reset stacking position + + // reposition item horizontally + item.repositionX(); + } + */ + + // simple, brute force calculation of visible items + // TODO: replace with a faster, more sophisticated solution + this.visibleItems = []; + for (var id in this.items) { + if (this.items.hasOwnProperty(id)) { + var item = this.items[id]; + if (item.isVisible(this.range)) { + if (!item.displayed) item.show(); + + // reposition item horizontally + item.repositionX(); + + this.visibleItems.push(item); + } + else { + if (item.displayed) item.hide(); + } + } + } + + // reposition visible items vertically + //this.stack.order(this.visibleItems); // TODO: improve ordering + var force = this.stackDirty || zoomed; // force re-stacking of all items if true + this.stack.stack(this.visibleItems, force); + this.stackDirty = false; + for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { + this.visibleItems[i].repositionY(); + } + + // recalculate the height of the itemset + var marginAxis = (options.margin && 'axis' in options.margin) ? options.margin.axis : this.itemOptions.margin.axis, + marginItem = (options.margin && 'item' in options.margin) ? options.margin.item : this.itemOptions.margin.item, + height; + + // determine the height from the stacked items + var visibleItems = this.visibleItems; + 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)); + }); + height = (max - min) + marginAxis + marginItem; + } + else { + height = marginAxis + marginItem; + } + + // reposition frame + frame.style.left = asSize(options.left, ''); + frame.style.right = asSize(options.right, ''); + frame.style.top = asSize((orientation == 'top') ? '0' : ''); + frame.style.bottom = asSize((orientation == 'top') ? '' : '0'); + frame.style.width = asSize(options.width, '100%'); + frame.style.height = asSize(height); + //frame.style.height = asSize('height' in options ? options.height : height); // TODO: reckon with height + + // calculate actual size and position + this.top = frame.offsetTop; + this.left = frame.offsetLeft; + this.width = frame.offsetWidth; + this.height = height; + + // reposition axis + this.dom.axis.style.left = asSize(options.left, '0'); + this.dom.axis.style.right = asSize(options.right, ''); + this.dom.axis.style.width = asSize(options.width, '100%'); + this.dom.axis.style.height = asSize(0); + this.dom.axis.style.top = asSize((orientation == 'top') ? '0' : ''); + this.dom.axis.style.bottom = asSize((orientation == 'top') ? '' : '0'); + + return this._isResized(); +}; + +/** + * Get the foreground container element + * @return {HTMLElement} foreground + */ +ItemSet.prototype.getForeground = function getForeground() { + return this.dom.foreground; +}; + +/** + * Get the background container element + * @return {HTMLElement} background + */ +ItemSet.prototype.getBackground = function getBackground() { + return this.dom.background; +}; + +/** + * Get the axis container element + * @return {HTMLElement} axis + */ +ItemSet.prototype.getAxis = function getAxis() { + return this.dom.axis; +}; + +/** + * Set items + * @param {vis.DataSet | null} items + */ +ItemSet.prototype.setItems = function setItems(items) { + var me = this, + ids, + oldItemsData = this.itemsData; + + // replace the dataset + if (!items) { + this.itemsData = null; + } + else if (items instanceof DataSet || items instanceof DataView) { + this.itemsData = items; + } + else { + throw new TypeError('Data must be an instance of DataSet'); + } + + if (oldItemsData) { + // unsubscribe from old dataset + util.forEach(this.listeners, function (callback, event) { + oldItemsData.unsubscribe(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.listeners, function (callback, event) { + me.itemsData.on(event, callback, id); + }); + + // draw all new items + ids = this.itemsData.getIds(); + this._onAdd(ids); + } +}; + +/** + * Get the current items items + * @returns {vis.DataSet | null} + */ +ItemSet.prototype.getItems = function getItems() { + return this.itemsData; +}; + +/** + * Remove an item by its id + * @param {String | Number} id + */ +ItemSet.prototype.removeItem = function removeItem (id) { + var item = this.itemsData.get(id), + dataset = this._myDataSet(); + + 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); + } + }); + } +}; + +/** + * Handle updated items + * @param {Number[]} ids + * @private + */ +ItemSet.prototype._onUpdate = function _onUpdate(ids) { + var me = this, + items = this.items, + itemOptions = this.itemOptions; + + ids.forEach(function (id) { + var itemData = me.itemsData.get(id), + item = items[id], + type = itemData.type || + (itemData.start && itemData.end && 'range') || + me.options.type || + 'box'; + + var constructor = ItemSet.types[type]; + + if (item) { + // update item + if (!constructor || !(item instanceof constructor)) { + // item type has changed, hide and delete the item + item.hide(); + item = null; + } + else { + item.data = itemData; // TODO: create a method item.setData ? + } + } + + if (!item) { + // create item + if (constructor) { + item = new constructor(me, itemData, me.options, itemOptions); + item.id = id; + } + else { + throw new TypeError('Unknown item type "' + type + '"'); + } + } + + me.items[id] = item; + }); + + this._order(); + + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); +}; + +/** + * Handle added items + * @param {Number[]} ids + * @private + */ +ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; + +/** + * Handle removed items + * @param {Number[]} ids + * @private + */ +ItemSet.prototype._onRemove = function _onRemove(ids) { + var count = 0; + var me = this; + ids.forEach(function (id) { + var item = me.items[id]; + if (item) { + count++; + item.hide(); + delete me.items[id]; + delete me.visibleItems[id]; + + // remove from selection + var index = me.selection.indexOf(id); + if (index != -1) me.selection.splice(index, 1); + } + }); + + if (count) { + // update order + this._order(); + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); + } +}; + +/** + * Order the items + * @private + */ +ItemSet.prototype._order = function _order() { + var array = util.toArray(this.items); + this.orderedItems.byStart = array; + this.orderedItems.byEnd = [].concat(array); + + // reorder the items + this.stack.orderByStart(this.orderedItems.byStart); + this.stack.orderByEnd(this.orderedItems.byEnd); +}; + +/** + * Start dragging the selected events + * @param {Event} event + * @private + */ +ItemSet.prototype._onDragStart = function (event) { + if (!this.options.editable) { + return; + } + + var item = ItemSet.itemFromTarget(event), + me = this; + + if (item && item.selected) { + var dragLeftItem = event.target.dragLeftItem; + var dragRightItem = event.target.dragRightItem; + + if (dragLeftItem) { + this.touchParams.itemProps = [{ + item: dragLeftItem, + start: item.data.start.valueOf() + }]; + } + else if (dragRightItem) { + this.touchParams.itemProps = [{ + item: dragRightItem, + end: item.data.end.valueOf() + }]; + } + else { + this.touchParams.itemProps = this.getSelection().map(function (id) { + var item = me.items[id]; + var props = { + item: item + }; + + if ('start' in item.data) { + props.start = item.data.start.valueOf() + } + if ('end' in item.data) { + props.end = item.data.end.valueOf() + } + + return props; + }); + } + + event.stopPropagation(); + } +}; + +/** + * Drag selected items + * @param {Event} event + * @private + */ +ItemSet.prototype._onDrag = function (event) { + if (this.touchParams.itemProps) { + var snap = this.options.snap || null, + deltaX = event.gesture.deltaX, + scale = (this.width / (this.range.end - this.range.start)), + offset = deltaX / scale; + + // move + this.touchParams.itemProps.forEach(function (props) { + if ('start' in props) { + var start = new Date(props.start + offset); + props.item.data.start = snap ? snap(start) : start; + } + if ('end' in props) { + var end = new Date(props.end + offset); + props.item.data.end = snap ? snap(end) : end; + } + }); + + // TODO: implement onMoving handler + + // TODO: implement dragging from one group to another + + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); + + event.stopPropagation(); + } +}; + +/** + * End of dragging selected items + * @param {Event} event + * @private + */ +ItemSet.prototype._onDragEnd = function (event) { + if (this.touchParams.itemProps) { + // prepare a change set for the changed items + var changes = [], + me = this, + dataset = this._myDataSet(); + + this.touchParams.itemProps.forEach(function (props) { + var id = props.item.id, + item = me.itemsData.get(id); + + var changed = false; + if ('start' in props.item.data) { + changed = (props.start != props.item.data.start.valueOf()); + item.start = util.convert(props.item.data.start, dataset.convert['start']); + } + if ('end' in props.item.data) { + changed = changed || (props.end != props.item.data.end.valueOf()); + item.end = util.convert(props.item.data.end, dataset.convert['end']); + } + + // only apply changes when start or end is actually changed + if (changed) { + me.options.onMove(item, function (item) { + if (item) { + // apply changes + item[dataset.fieldId] = id; // ensure the item contains its id (can be undefined) + changes.push(item); + } + else { + // restore original values + if ('start' in props) props.item.data.start = props.start; + if ('end' in props) props.item.data.end = props.end; + + me.stackDirty = true; // force re-stacking of all items next repaint + me.emit('change'); + } + }); + } + }); + this.touchParams.itemProps = null; + + // apply the changes to the data (if there are changes) + if (changes.length) { + dataset.update(changes); + } + + event.stopPropagation(); + } +}; + +/** + * Find an item from an event target: + * searches for the attribute 'timeline-item' in the event target's element tree + * @param {Event} event + * @return {Item | null} item + */ +ItemSet.itemFromTarget = function itemFromTarget (event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-item')) { + return target['timeline-item']; + } + 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 + */ +ItemSet.itemSetFromTarget = function itemSetFromTarget (event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-itemset')) { + return target['timeline-itemset']; + } + target = target.parentNode; + } + + return null; +}; + +/** + * Find the DataSet to which this ItemSet is connected + * @returns {null | DataSet} dataset + * @private + */ +ItemSet.prototype._myDataSet = function _myDataSet() { + // find the root DataSet + var dataset = this.itemsData; + while (dataset instanceof DataView) { + dataset = dataset.data; + } + return dataset; +}; +/** + * @constructor Item + * @param {ItemSet} parent + * @param {Object} data Object containing (optional) parameters type, + * start, end, content, group, className. + * @param {Object} [options] Options to set initial property values + * @param {Object} [defaultOptions] default options + * // TODO: describe available options + */ +function Item (parent, data, options, defaultOptions) { + this.parent = parent; + this.data = data; + this.dom = null; + this.options = options || {}; + this.defaultOptions = defaultOptions || {}; + + this.selected = false; + this.displayed = false; + this.dirty = true; + + this.top = null; + this.left = null; + this.width = null; + this.height = null; +} + +/** + * Select current item + */ +Item.prototype.select = function select() { + this.selected = true; + if (this.displayed) this.repaint(); +}; + +/** + * Unselect current item + */ +Item.prototype.unselect = function unselect() { + this.selected = false; + if (this.displayed) this.repaint(); +}; + +/** + * Show the Item in the DOM (when not already visible) + * @return {Boolean} changed + */ +Item.prototype.show = function show() { + return false; +}; + +/** + * Hide the Item from the DOM (when visible) + * @return {Boolean} changed + */ +Item.prototype.hide = function hide() { + return false; +}; + +/** + * Repaint the item + */ +Item.prototype.repaint = function repaint() { + // should be implemented by the item +}; + +/** + * Reposition the Item horizontally + */ +Item.prototype.repositionX = function repositionX() { + // should be implemented by the item +}; + +/** + * Reposition the Item vertically + */ +Item.prototype.repositionY = function repositionY() { + // should be implemented by the item +}; + +/** + * Repaint a delete button on the top right of the item when the item is selected + * @param {HTMLElement} anchor + * @private + */ +Item.prototype._repaintDeleteButton = function (anchor) { + if (this.selected && this.options.editable && !this.dom.deleteButton) { + // create and show button + var parent = this.parent; + var id = this.id; + + var deleteButton = document.createElement('div'); + deleteButton.className = 'delete'; + deleteButton.title = 'Delete this item'; + + Hammer(deleteButton, { + preventDefault: true + }).on('tap', function (event) { + parent.removeItem(id); + event.stopPropagation(); + }); + + anchor.appendChild(deleteButton); + this.dom.deleteButton = deleteButton; + } + else if (!this.selected && this.dom.deleteButton) { + // remove button + if (this.dom.deleteButton.parentNode) { + this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton); + } + this.dom.deleteButton = null; + } +}; + +/** + * @constructor ItemBox + * @extends Item + * @param {ItemSet} parent + * @param {Object} data Object containing parameters start + * content, className. + * @param {Object} [options] Options to set initial property values + * @param {Object} [defaultOptions] default options + * // TODO: describe available options + */ +function ItemBox (parent, data, options, defaultOptions) { + this.props = { + dot: { + width: 0, + height: 0 + }, + line: { + width: 0, + height: 0 + } + }; + + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } + } + + Item.call(this, parent, data, options, defaultOptions); +} + +ItemBox.prototype = new Item (null, null); + +/** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ +ItemBox.prototype.isVisible = function isVisible (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); +}; + +/** + * Repaint the item + */ +ItemBox.prototype.repaint = function repaint() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; + + // create main box + dom.box = document.createElement('DIV'); + + // contents box (inside the background box). used for making margins + dom.content = document.createElement('DIV'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); + + // line to axis + dom.line = document.createElement('DIV'); + dom.line.className = 'line'; + + // dot on axis + dom.dot = document.createElement('DIV'); + dom.dot.className = 'dot'; + + // attach this item as attribute + dom.box['timeline-item'] = this; + } + + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot repaint item: no parent attached'); + } + if (!dom.box.parentNode) { + var foreground = this.parent.getForeground(); + if (!foreground) throw new Error('Cannot repaint time axis: parent has no foreground container element'); + foreground.appendChild(dom.box); + } + if (!dom.line.parentNode) { + var background = this.parent.getBackground(); + if (!background) throw new Error('Cannot repaint time axis: parent has no background container element'); + background.appendChild(dom.line); + } + if (!dom.dot.parentNode) { + var axis = this.parent.getAxis(); + if (!background) throw new Error('Cannot repaint time axis: parent has no axis container element'); + axis.appendChild(dom.dot); + } + this.displayed = true; + + // update contents + if (this.data.content != this.content) { + this.content = this.data.content; + if (this.content instanceof Element) { + dom.content.innerHTML = ''; + dom.content.appendChild(this.content); + } + else if (this.data.content != undefined) { + dom.content.innerHTML = this.content; + } + else { + throw new Error('Property "content" missing in item ' + this.data.id); + } + + this.dirty = true; + } + + // update class + var className = (this.data.className? ' ' + this.data.className : '') + + (this.selected ? ' selected' : ''); + if (this.className != className) { + this.className = className; + dom.box.className = 'item box' + className; + dom.line.className = 'item line' + className; + dom.dot.className = 'item dot' + className; + + this.dirty = true; + } + + // recalculate size + if (this.dirty) { + 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. + */ +ItemBox.prototype.show = function show() { + if (!this.displayed) { + this.repaint(); + } +}; + +/** + * Hide the item from the DOM (when visible) + */ +ItemBox.prototype.hide = function hide() { + 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; + } +}; + +/** + * Reposition the item horizontally + * @Override + */ +ItemBox.prototype.repositionX = function repositionX() { + var start = this.defaultOptions.toScreen(this.data.start), + align = this.options.align || this.defaultOptions.align, + left, + box = this.dom.box, + line = this.dom.line, + 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'; +}; + +/** + * Reposition the item vertically + * @Override + */ +ItemBox.prototype.repositionY = function repositionY () { + var orientation = this.options.orientation || this.defaultOptions.orientation, + box = this.dom.box, + line = this.dom.line, + dot = this.dom.dot; + + if (orientation == 'top') { + box.style.top = (this.top || 0) + 'px'; + box.style.bottom = ''; + + line.style.top = '0'; + line.style.bottom = ''; + line.style.height = (this.parent.top + this.top + 1) + 'px'; + } + else { // orientation 'bottom' + box.style.top = ''; + box.style.bottom = (this.top || 0) + 'px'; + + line.style.top = (this.parent.top + this.parent.height - this.top - 1) + 'px'; + line.style.bottom = '0'; + line.style.height = ''; + } + + dot.style.top = (-this.props.dot.height / 2) + 'px'; +}; + +/** + * @constructor ItemPoint + * @extends Item + * @param {ItemSet} parent + * @param {Object} data Object containing parameters start + * content, className. + * @param {Object} [options] Options to set initial property values + * @param {Object} [defaultOptions] default options + * // TODO: describe available options + */ +function ItemPoint (parent, data, options, defaultOptions) { + 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, parent, data, options, defaultOptions); +} + +ItemPoint.prototype = new Item (null, null); + +/** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ +ItemPoint.prototype.isVisible = function isVisible (range) { + // determine visibility + var interval = (range.end - range.start); + return (this.data.start > range.start - interval) && (this.data.start < range.end); +} + +/** + * Repaint the item + */ +ItemPoint.prototype.repaint = function repaint() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; + + // background box + dom.point = document.createElement('div'); + // className is updated in repaint() + + // 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.dot.className = 'dot'; + dom.point.appendChild(dom.dot); + + // attach this item as attribute + dom.point['timeline-item'] = this; + } + + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot repaint item: no parent attached'); + } + if (!dom.point.parentNode) { + var foreground = this.parent.getForeground(); + if (!foreground) { + throw new Error('Cannot repaint time axis: parent has no foreground container element'); + } + foreground.appendChild(dom.point); + } + this.displayed = true; + + // update contents + if (this.data.content != this.content) { + this.content = this.data.content; + if (this.content instanceof Element) { + dom.content.innerHTML = ''; + dom.content.appendChild(this.content); + } + else if (this.data.content != undefined) { + dom.content.innerHTML = this.content; + } + else { + throw new Error('Property "content" missing in item ' + this.data.id); + } + + this.dirty = true; + } + + // update class + var className = (this.data.className? ' ' + this.data.className : '') + + (this.selected ? ' selected' : ''); + if (this.className != className) { + this.className = className; + dom.point.className = 'item point' + className; + + this.dirty = true; + } + + // recalculate size + if (this.dirty) { + this.width = dom.point.offsetWidth; + this.height = dom.point.offsetHeight; + this.props.dot.width = dom.dot.offsetWidth; + this.props.dot.height = dom.dot.offsetHeight; + this.props.content.height = dom.content.offsetHeight; + + // resize contents + dom.content.style.marginLeft = 1.5 * 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'; + + this.dirty = false; + } + + this._repaintDeleteButton(dom.point); +}; + +/** + * Show the item in the DOM (when not already visible). The items DOM will + * be created when needed. + */ +ItemPoint.prototype.show = function show() { + if (!this.displayed) { + this.repaint(); + } +}; + +/** + * Hide the item from the DOM (when visible) + */ +ItemPoint.prototype.hide = function hide() { + 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; + } +}; + +/** + * Reposition the item horizontally + * @Override + */ +ItemPoint.prototype.repositionX = function repositionX() { + var start = this.defaultOptions.toScreen(this.data.start); + + this.left = start - this.props.dot.width / 2; + + // reposition point + this.dom.point.style.left = this.left + 'px'; +}; + +/** + * Reposition the item vertically + * @Override + */ +ItemPoint.prototype.repositionY = function repositionY () { + var orientation = this.options.orientation || this.defaultOptions.orientation, + point = this.dom.point; + + if (orientation == 'top') { + point.style.top = this.top + 'px'; + point.style.bottom = ''; + } + else { + point.style.top = ''; + point.style.bottom = this.top + 'px'; + } +} + +/** + * @constructor ItemRange + * @extends Item + * @param {ItemSet} parent + * @param {Object} data Object containing parameters start, end + * content, className. + * @param {Object} [options] Options to set initial property values + * @param {Object} [defaultOptions] default options + * // TODO: describe available options + */ +function ItemRange (parent, data, options, defaultOptions) { + this.props = { + content: { + width: 0 + } + }; + + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data.id); + } + if (data.end == undefined) { + throw new Error('Property "end" missing in item ' + data.id); + } + } + + Item.call(this, parent, data, options, defaultOptions); +} + +ItemRange.prototype = new Item (null, null); + +ItemRange.prototype.baseClassName = 'item range'; + +/** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ +ItemRange.prototype.isVisible = function isVisible (range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); +}; + +/** + * Repaint the item + */ +ItemRange.prototype.repaint = function repaint() { + var dom = this.dom; + if (!dom) { + // create DOM + this.dom = {}; + dom = this.dom; + + // background box + dom.box = document.createElement('div'); + // className is updated in repaint() + + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); + + // attach this item as attribute + dom.box['timeline-item'] = this; + } + + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot repaint item: no parent attached'); + } + if (!dom.box.parentNode) { + var foreground = this.parent.getForeground(); + if (!foreground) { + throw new Error('Cannot repaint time axis: parent has no foreground container element'); + } + foreground.appendChild(dom.box); + } + this.displayed = true; + + // update contents + if (this.data.content != this.content) { + this.content = this.data.content; + if (this.content instanceof Element) { + dom.content.innerHTML = ''; + dom.content.appendChild(this.content); + } + else if (this.data.content != undefined) { + dom.content.innerHTML = this.content; + } + else { + throw new Error('Property "content" missing in item ' + this.data.id); + } + + this.dirty = true; + } + + // update class + var className = (this.data.className ? (' ' + this.data.className) : '') + + (this.selected ? ' selected' : ''); + if (this.className != className) { + this.className = className; + dom.box.className = this.baseClassName + className; + + this.dirty = true; + } + + // recalculate size + if (this.dirty) { + 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. + */ +ItemRange.prototype.show = function show() { + if (!this.displayed) { + this.repaint(); + } +}; + +/** + * Hide the item from the DOM (when visible) + * @return {Boolean} changed + */ +ItemRange.prototype.hide = function hide() { + if (this.displayed) { + var box = this.dom.box; + + if (box.parentNode) { + box.parentNode.removeChild(box); + } + + this.top = null; + this.left = null; + + this.displayed = false; + } +}; + +/** + * Reposition the item horizontally + * @Override + */ +ItemRange.prototype.repositionX = function repositionX() { + var props = this.props, + parentWidth = this.parent.width, + start = this.defaultOptions.toScreen(this.data.start), + end = this.defaultOptions.toScreen(this.data.end), + padding = 'padding' in this.options ? this.options.padding : this.defaultOptions.padding, + contentLeft; + + // 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; + } + + // 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 - props.content.width - 2 * padding)); + // TODO: remove the need for options.padding. it's terrible. + } + else { + contentLeft = 0; + } + + this.left = start; + this.width = Math.max(end - start, 1); + + this.dom.box.style.left = this.left + 'px'; + this.dom.box.style.width = this.width + 'px'; + this.dom.content.style.left = contentLeft + 'px'; +}; + +/** + * Reposition the item vertically + * @Override + */ +ItemRange.prototype.repositionY = function repositionY() { + var orientation = this.options.orientation || this.defaultOptions.orientation, + box = this.dom.box; + + if (orientation == 'top') { + box.style.top = this.top + 'px'; + box.style.bottom = ''; + } + else { + box.style.top = ''; + box.style.bottom = this.top + 'px'; + } +}; + +/** + * Repaint a drag area on the left side of the range when the range is selected + * @private + */ +ItemRange.prototype._repaintDragLeft = function () { + if (this.selected && this.options.editable && !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; + } +}; + +/** + * Repaint a drag area on the right side of the range when the range is selected + * @private + */ +ItemRange.prototype._repaintDragRight = function () { + if (this.selected && this.options.editable && !this.dom.dragRight) { + // create and show drag area + var dragRight = document.createElement('div'); + dragRight.className = 'drag-right'; + dragRight.dragRightItem = this; + + // TODO: this should be redundant? + Hammer(dragRight, { + preventDefault: true + }).on('drag', function () { + //console.log('drag right') + }); + + this.dom.box.appendChild(dragRight); + this.dom.dragRight = dragRight; + } + else if (!this.selected && this.dom.dragRight) { + // delete drag area + if (this.dom.dragRight.parentNode) { + this.dom.dragRight.parentNode.removeChild(this.dom.dragRight); + } + this.dom.dragRight = null; + } +}; + +/** + * @constructor ItemRangeOverflow + * @extends ItemRange + * @param {ItemSet} parent + * @param {Object} data Object containing parameters start, end + * content, className. + * @param {Object} [options] Options to set initial property values + * @param {Object} [defaultOptions] default options + * // TODO: describe available options + */ +function ItemRangeOverflow (parent, data, options, defaultOptions) { + this.props = { + content: { + left: 0, + width: 0 + } + }; + + ItemRange.call(this, parent, data, options, defaultOptions); +} + +ItemRangeOverflow.prototype = new ItemRange (null, null); + +ItemRangeOverflow.prototype.baseClassName = 'item rangeoverflow'; + +/** + * Reposition the item horizontally + * @Override + */ +ItemRangeOverflow.prototype.repositionX = function repositionX() { + var parentWidth = this.parent.width, + start = this.defaultOptions.toScreen(this.data.start), + end = this.defaultOptions.toScreen(this.data.end), + padding = 'padding' in this.options ? this.options.padding : this.defaultOptions.padding, + contentLeft; + + // 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; + } + + // when range exceeds left of the window, position the contents at the left of the visible area + contentLeft = Math.max(-start, 0); + + this.left = start; + var boxWidth = Math.max(end - start, 1); + this.width = (this.props.content.width < boxWidth) ? + boxWidth : + start + contentLeft + this.props.content.width; + + this.dom.box.style.left = this.left + 'px'; + this.dom.box.style.width = boxWidth + 'px'; + this.dom.content.style.left = contentLeft + 'px'; +}; + +/** + * @constructor Group + * @param {Panel} groupPanel + * @param {Panel} labelPanel + * @param {Panel} backgroundPanel + * @param {Panel} axisPanel + * @param {Number | String} groupId + * @param {Object} [options] Options to set initial property values + * // TODO: describe available options + * @extends Component + */ +function Group (groupPanel, labelPanel, backgroundPanel, axisPanel, groupId, options) { + this.id = util.randomUUID(); + this.groupPanel = groupPanel; + this.labelPanel = labelPanel; + this.backgroundPanel = backgroundPanel; + this.axisPanel = axisPanel; + + this.groupId = groupId; + this.itemSet = null; // ItemSet + this.options = options || {}; + this.options.top = 0; + + this.props = { + label: { + width: 0, + height: 0 + } + }; + + this.dom = {}; + + this.top = 0; + this.left = 0; + this.width = 0; + this.height = 0; + + this._create(); +} + +Group.prototype = new Component(); + +// TODO: comment +Group.prototype.setOptions = Component.prototype.setOptions; + +/** + * Create DOM elements for the group + * @private + */ +Group.prototype._create = function() { + var label = document.createElement('div'); + label.className = 'vlabel'; + this.dom.label = label; + + var inner = document.createElement('div'); + inner.className = 'inner'; + label.appendChild(inner); + this.dom.inner = inner; +}; + +/** + * Set the group data for this group + * @param {Object} data Group data, can contain properties content and className + */ +Group.prototype.setData = function setData(data) { + // update contents + var content = data && data.content; + if (content instanceof Element) { + this.dom.inner.appendChild(content); + } + else if (content != undefined) { + this.dom.inner.innerHTML = content; + } + else { + this.dom.inner.innerHTML = this.groupId; + } + + // update className + var className = data && data.className; + if (className) { + util.addClassName(this.dom.label, className); + } +}; + +/** + * Set item set for the group. The group will create a view on the itemSet, + * filtered by the groups id. + * @param {DataSet | DataView} itemsData + */ +Group.prototype.setItems = function setItems(itemsData) { + if (this.itemSet) { + // remove current item set + this.itemSet.setItems(); + this.itemSet.hide(); + this.groupPanel.frame.removeChild(this.itemSet.getFrame()); + this.itemSet = null; + } + + if (itemsData) { + var groupId = this.groupId; + + var me = this; + var itemSetOptions = util.extend(this.options, { + height: function () { + // FIXME: setting height doesn't yet work + return Math.max(me.props.label.height, me.itemSet.height); + } + }); + this.itemSet = new ItemSet(this.backgroundPanel, this.axisPanel, itemSetOptions); + this.itemSet.on('change', this.emit.bind(this, 'change')); // propagate change event + this.itemSet.parent = this; + this.groupPanel.frame.appendChild(this.itemSet.getFrame()); + + if (this.range) this.itemSet.setRange(this.range); + + this.view = new DataView(itemsData, { + filter: function (item) { + return item.group == groupId; + } + }); + this.itemSet.setItems(this.view); + } +}; + +/** + * hide the group, detach from DOM if needed + */ +Group.prototype.show = function show() { + if (!this.dom.label.parentNode) { + this.labelPanel.frame.appendChild(this.dom.label); + } + + var itemSetFrame = this.itemSet && this.itemSet.getFrame(); + if (itemSetFrame) { + if (itemSetFrame.parentNode) { + itemSetFrame.parentNode.removeChild(itemSetFrame); + } + this.groupPanel.frame.appendChild(itemSetFrame); + + this.itemSet.show(); + } +}; + +/** + * hide the group, detach from DOM if needed + */ +Group.prototype.hide = function hide() { + if (this.dom.label.parentNode) { + this.dom.label.parentNode.removeChild(this.dom.label); + } + + if (this.itemSet) { + this.itemSet.hide(); + } + + var itemSetFrame = this.itemset && this.itemSet.getFrame(); + if (itemSetFrame && itemSetFrame.parentNode) { + itemSetFrame.parentNode.removeChild(itemSetFrame); + } +}; + +/** + * Set range (start and end). + * @param {Range | Object} range A Range or an object containing start and end. + */ +Group.prototype.setRange = function (range) { + this.range = range; + + if (this.itemSet) this.itemSet.setRange(range); +}; + +/** + * Set selected items by their id. Replaces the current selection. + * Unknown id's are silently ignored. + * @param {Array} [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. + */ +Group.prototype.setSelection = function setSelection(ids) { + if (this.itemSet) this.itemSet.setSelection(ids); +}; + +/** + * Get the selected items by their id + * @return {Array} ids The ids of the selected items + */ +Group.prototype.getSelection = function getSelection() { + return this.itemSet ? this.itemSet.getSelection() : []; +}; + +/** + * Repaint the group + * @return {boolean} Returns true if the component is resized + */ +Group.prototype.repaint = function repaint() { + var resized = false; + + this.show(); + + if (this.itemSet) { + resized = this.itemSet.repaint() || resized; + } + + // calculate inner size of the 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.height = this.itemSet ? this.itemSet.height : 0; + + this.dom.label.style.height = this.height + 'px'; + + return resized; +}; + +/** + * An GroupSet holds a set of groups + * @param {Panel} contentPanel Panel where the ItemSets will be created + * @param {Panel} labelPanel Panel where the labels will be created + * @param {Panel} backgroundPanel Panel where the vertical lines of box + * items are created + * @param {Panel} axisPanel Panel on the axis where the dots of box + * items will be created + * @param {Object} [options] See GroupSet.setOptions for the available + * options. + * @constructor GroupSet + * @extends Panel + */ +function GroupSet(contentPanel, labelPanel, backgroundPanel, axisPanel, options) { + this.id = util.randomUUID(); + + this.contentPanel = contentPanel; + this.labelPanel = labelPanel; + this.backgroundPanel = backgroundPanel; + this.axisPanel = axisPanel; + this.options = options || {}; + + this.range = null; // Range or Object {start: number, end: number} + this.itemsData = null; // DataSet with items + this.groupsData = null; // DataSet with groups + + this.groups = {}; // map with groups + this.groupIds = []; // list with ordered group ids + + this.dom = {}; + this.props = { + labels: { + width: 0 + } + }; + + // TODO: implement right orientation of the labels (left/right) + + var me = this; + this.listeners = { + 'add': function (event, params) { + me._onAdd(params.items); + }, + 'update': function (event, params) { + me._onUpdate(params.items); + }, + 'remove': function (event, params) { + me._onRemove(params.items); + } + }; + + // create HTML DOM + this._create(); +} + +GroupSet.prototype = new Panel(); + +/** + * Create the HTML DOM elements for the GroupSet + * @private + */ +GroupSet.prototype._create = function _create () { + // TODO: reimplement groupSet DOM elements + var frame = document.createElement('div'); + frame.className = 'groupset'; + frame['timeline-groupset'] = this; + this.frame = frame; + + this.labelSet = new Panel({ + className: 'labelset', + width: '100%', + height: '100%' + }); + this.labelPanel.appendChild(this.labelSet); +}; + +/** + * Get the frame element of component + * @returns {null} Get frame is not supported by GroupSet + */ +GroupSet.prototype.getFrame = function getFrame() { + return this.frame; +}; + +/** + * Set options for the GroupSet. Existing options will be extended/overwritten. + * @param {Object} [options] The following options are available: + * {String | function} groupsOrder + * TODO: describe options + */ +GroupSet.prototype.setOptions = Component.prototype.setOptions; + +/** + * Set range (start and end). + * @param {Range | Object} range A Range or an object containing start and end. + */ +GroupSet.prototype.setRange = function (range) { + this.range = range; + + for (var id in this.groups) { + if (this.groups.hasOwnProperty(id)) { + this.groups[id].setRange(range); + } + } +}; + +/** + * Set items + * @param {vis.DataSet | null} items + */ +GroupSet.prototype.setItems = function setItems(items) { + this.itemsData = items; + + for (var id in this.groups) { + if (this.groups.hasOwnProperty(id)) { + var group = this.groups[id]; + // TODO: every group will emit a change event, causing a lot of unnecessary repaints. improve this. + group.setItems(items); + } + } +}; + +/** + * Get items + * @return {vis.DataSet | null} items + */ +GroupSet.prototype.getItems = function getItems() { + return this.itemsData; +}; + +/** + * Set range (start and end). + * @param {Range | Object} range A Range or an object containing start and end. + */ +GroupSet.prototype.setRange = function setRange(range) { + this.range = range; +}; + +/** + * Set groups + * @param {vis.DataSet} groups + */ +GroupSet.prototype.setGroups = function setGroups(groups) { + var me = this, + ids; + + // unsubscribe from current dataset + if (this.groupsData) { + util.forEach(this.listeners, function (callback, event) { + me.groupsData.unsubscribe(event, callback); + }); + + // remove all drawn groups + ids = this.groupsData.getIds(); + this._onRemove(ids); + } + + // replace the dataset + if (!groups) { + this.groupsData = null; + } + else if (groups instanceof DataSet) { + this.groupsData = groups; + } + else { + this.groupsData = new DataSet({ + convert: { + start: 'Date', + end: 'Date' + } + }); + this.groupsData.add(groups); + } + + if (this.groupsData) { + // subscribe to new dataset + var id = this.id; + util.forEach(this.listeners, function (callback, event) { + me.groupsData.on(event, callback, id); + }); + + // draw all new groups + ids = this.groupsData.getIds(); + this._onAdd(ids); + } + + this.emit('change'); +}; + +/** + * Get groups + * @return {vis.DataSet | null} groups + */ +GroupSet.prototype.getGroups = function getGroups() { + return this.groupsData; +}; + +/** + * Set selected items by their id. Replaces the current selection. + * Unknown id's are silently ignored. + * @param {Array} [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. + */ +GroupSet.prototype.setSelection = function setSelection(ids) { + var selection = [], + groups = this.groups; + + // iterate over each of the groups + for (var id in groups) { + if (groups.hasOwnProperty(id)) { + var group = groups[id]; + group.setSelection(ids); + } + } + + return selection; +}; + +/** + * Get the selected items by their id + * @return {Array} ids The ids of the selected items + */ +GroupSet.prototype.getSelection = function getSelection() { + var selection = [], + groups = this.groups; + + // iterate over each of the groups + for (var id in groups) { + if (groups.hasOwnProperty(id)) { + var group = groups[id]; + selection = selection.concat(group.getSelection()); + } + } + + return selection; +}; + +/** + * Repaint the component + * @return {boolean} Returns true if the component was resized since previous repaint + */ +GroupSet.prototype.repaint = function repaint() { + var i, id, group, + asSize = util.option.asSize, + asString = util.option.asString, + options = this.options, + orientation = this.getOption('orientation'), + frame = this.frame, + resized = false, + groups = this.groups; + + // repaint all groups in order + this.groupIds.forEach(function (id) { + var groupResized = groups[id].repaint(); + resized = resized || groupResized; + }); + + // reposition the labels and calculate the maximum label width + var maxWidth = 0; + for (id in groups) { + if (groups.hasOwnProperty(id)) { + group = groups[id]; + maxWidth = Math.max(maxWidth, group.props.label.width); + } + } + resized = util.updateProperty(this.props.labels, 'width', maxWidth) || resized; + + // recalculate the height of the groupset, and recalculate top positions of the groups + var fixedHeight = (asSize(options.height) != null); + var height; + if (!fixedHeight) { + // height is not specified, calculate the sum of the height of all groups + height = 0; + + this.groupIds.forEach(function (id) { + var group = groups[id]; + group.top = height; + if (group.itemSet) group.itemSet.top = group.top; // TODO: this is an ugly hack + height += group.height; + }); + } + + // update classname + frame.className = 'groupset' + (options.className ? (' ' + asString(options.className)) : ''); + + // calculate actual size and position + this.top = frame.offsetTop; + this.left = frame.offsetLeft; + this.width = frame.offsetWidth; + this.height = height; + + return resized; +}; + +/** + * Update the groupIds. Requires a repaint afterwards + * @private + */ +GroupSet.prototype._updateGroupIds = function () { + // reorder the groups + this.groupIds = this.groupsData.getIds({ + order: this.options.groupOrder + }); + + // hide the groups now, they will be shown again in the next repaint + // in correct order + var groups = this.groups; + this.groupIds.forEach(function (id) { + groups[id].hide(); + }); +}; + +/** + * Get the width of the group labels + * @return {Number} width + */ +GroupSet.prototype.getLabelsWidth = function getLabelsWidth() { + return this.props.labels.width; +}; + +/** + * Hide the component from the DOM + */ +GroupSet.prototype.hide = function hide() { + // hide labelset + this.labelPanel.removeChild(this.labelSet); + + // hide each of the groups + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + this.groups[groupId].hide(); + } + } +}; + +/** + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed + */ +GroupSet.prototype.show = function show() { + // show label set + if (!this.labelPanel.hasChild(this.labelSet)) { + this.labelPanel.removeChild(this.labelSet); + } + + // show each of the groups + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + this.groups[groupId].show(); + } + } +}; + +/** + * Handle updated groups + * @param {Number[]} ids + * @private + */ +GroupSet.prototype._onUpdate = function _onUpdate(ids) { + this._onAdd(ids); +}; + +/** + * Handle changed groups + * @param {Number[]} ids + * @private + */ +GroupSet.prototype._onAdd = function _onAdd(ids) { + var me = this; + + ids.forEach(function (id) { + var group = me.groups[id]; + if (!group) { + var groupOptions = Object.create(me.options); + util.extend(groupOptions, { + height: null + }); + + group = new Group(me, me.labelSet, me.backgroundPanel, me.axisPanel, id, groupOptions); + group.on('change', me.emit.bind(me, 'change')); // propagate change event + group.setRange(me.range); + group.setItems(me.itemsData); // attach items data + me.groups[id] = group; + group.parent = me; + } + + // update group data + group.setData(me.groupsData.get(id)); + }); + + this._updateGroupIds(); + + this.emit('change'); +}; + +/** + * Handle removed groups + * @param {Number[]} ids + * @private + */ +GroupSet.prototype._onRemove = function _onRemove(ids) { + var groups = this.groups; + ids.forEach(function (id) { + var group = groups[id]; + + if (group) { + group.setItems(); // detach items data + group.hide(); // FIXME: for some reason when doing setItems after hide, setItems again makes the label visible + delete groups[id]; + } + }); + + this._updateGroupIds(); + + this.emit('change'); +}; + +/** + * Find the GroupSet from an event target: + * searches for the attribute 'timeline-groupset' in the event target's element + * tree, then finds the right group in this groupset + * @param {Event} event + * @return {Group | null} group + */ +GroupSet.groupSetFromTarget = function groupSetFromTarget (event) { + var target = event.target; + while (target) { + if (target.hasOwnProperty('timeline-groupset')) { + return target['timeline-groupset']; + } + target = target.parentNode; + } + + return null; +}; + +/** + * Find the Group from an event target: + * searches for the two elements having attributes 'timeline-groupset' and + * 'timeline-itemset' in the event target's element, then finds the right group. + * @param {Event} event + * @return {Group | null} group + */ +GroupSet.groupFromTarget = function groupFromTarget (event) { + // find the groupSet + var groupSet = GroupSet.groupSetFromTarget(event); + + // find the ItemSet + var itemSet = ItemSet.itemSetFromTarget(event); + + // find the right group + if (groupSet && itemSet) { + for (var groupId in groupSet.groups) { + if (groupSet.groups.hasOwnProperty(groupId)) { + var group = groupSet.groups[groupId]; + if (group.itemSet == itemSet) { + return group; + } + } + } + } + + return null; +}; + +/** + * 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 + */ +function Timeline (container, items, options) { + // validate arguments + if (!container) throw new Error('No container element provided'); + + var me = this; + var now = moment().hours(0).minutes(0).seconds(0).milliseconds(0); + this.options = { + orientation: 'bottom', + direction: 'horizontal', // 'horizontal' or 'vertical' + autoResize: true, + editable: false, + selectable: true, + snap: null, // will be specified after timeaxis is created + + min: null, + max: null, + zoomMin: 10, // milliseconds + zoomMax: 1000 * 60 * 60 * 24 * 365 * 10000, // milliseconds + // moveable: true, // TODO: option moveable + // zoomable: true, // TODO: option zoomable + + showMinorLabels: true, + showMajorLabels: true, + showCurrentTime: false, + showCustomTime: false, + + type: 'box', + align: 'center', + margin: { + axis: 20, + item: 10 + }, + padding: 5, + + onAdd: function (item, callback) { + callback(item); + }, + onUpdate: function (item, callback) { + callback(item); + }, + onMove: function (item, callback) { + callback(item); + }, + onRemove: function (item, callback) { + callback(item); + }, + + toScreen: me._toScreen.bind(me), + toTime: me._toTime.bind(me) + }; + + // root panel + var rootOptions = util.extend(Object.create(this.options), { + height: function () { + if (me.options.height) { + // fixed height + return me.options.height; + } + else { + // auto height + // TODO: implement a css based solution to automatically have the right hight + return (me.timeAxis.height + me.contentPanel.height) + 'px'; + } + } + }); + this.rootPanel = new RootPanel(container, rootOptions); + + // single select (or unselect) when tapping an item + this.rootPanel.on('tap', this._onSelectItem.bind(this)); + + // multi select when holding mouse/touch, or on ctrl+click + this.rootPanel.on('hold', this._onMultiSelectItem.bind(this)); + + // add item on doubletap + this.rootPanel.on('doubletap', this._onAddItem.bind(this)); + + // side panel + var sideOptions = util.extend(Object.create(this.options), { + top: function () { + return (sideOptions.orientation == 'top') ? '0' : ''; + }, + bottom: function () { + return (sideOptions.orientation == 'top') ? '' : '0'; + }, + left: '0', + right: null, + height: '100%', + width: function () { + if (me.groupSet) { + return me.groupSet.getLabelsWidth(); + } + else { + return 0; + } + }, + className: function () { + return 'side' + (me.groupsData ? '' : ' hidden'); + } + }); + this.sidePanel = new Panel(sideOptions); + this.rootPanel.appendChild(this.sidePanel); + + // main panel (contains time axis and itemsets) + var mainOptions = util.extend(Object.create(this.options), { + left: function () { + // we align left to enable a smooth resizing of the window + return me.sidePanel.width; + }, + right: null, + height: '100%', + width: function () { + return me.rootPanel.width - me.sidePanel.width; + }, + className: 'main' + }); + this.mainPanel = new Panel(mainOptions); + this.rootPanel.appendChild(this.mainPanel); + + // range + // TODO: move range inside rootPanel? + var rangeOptions = Object.create(this.options); + this.range = new Range(this.rootPanel, this.mainPanel, rangeOptions); + this.range.setRange( + now.clone().add('days', -3).valueOf(), + now.clone().add('days', 4).valueOf() + ); + this.range.on('rangechange', function (properties) { + me.rootPanel.repaint(); + me.emit('rangechange', properties); + }); + this.range.on('rangechanged', function (properties) { + me.rootPanel.repaint(); + me.emit('rangechanged', properties); + }); + + // panel with time axis + var timeAxisOptions = util.extend(Object.create(rootOptions), { + range: this.range, + left: null, + top: null, + width: null, + height: null + }); + this.timeAxis = new TimeAxis(timeAxisOptions); + this.timeAxis.setRange(this.range); + this.options.snap = this.timeAxis.snap.bind(this.timeAxis); + this.mainPanel.appendChild(this.timeAxis); + + // content panel (contains itemset(s)) + var contentOptions = util.extend(Object.create(this.options), { + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + left: null, + right: null, + height: null, + width: null, + className: 'content' + }); + this.contentPanel = new Panel(contentOptions); + this.mainPanel.appendChild(this.contentPanel); + + // content panel (contains the vertical lines of box items) + var backgroundOptions = util.extend(Object.create(this.options), { + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + left: null, + right: null, + height: function () { + return me.contentPanel.height; + }, + width: null, + className: 'background' + }); + this.backgroundPanel = new Panel(backgroundOptions); + this.mainPanel.insertBefore(this.backgroundPanel, this.contentPanel); + + // panel with axis holding the dots of item boxes + var axisPanelOptions = util.extend(Object.create(rootOptions), { + left: 0, + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + width: '100%', + height: 0, + className: 'axis' + }); + this.axisPanel = new Panel(axisPanelOptions); + this.mainPanel.appendChild(this.axisPanel); + + // content panel (contains itemset(s)) + var sideContentOptions = util.extend(Object.create(this.options), { + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + left: null, + right: null, + height: null, + width: null, + className: 'side-content' + }); + this.sideContentPanel = new Panel(sideContentOptions); + this.sidePanel.appendChild(this.sideContentPanel); + + // current time bar + // Note: time bar will be attached in this.setOptions when selected + this.currentTime = new CurrentTime(this.range, rootOptions); + + // custom time bar + // Note: time bar will be attached in this.setOptions when selected + this.customTime = new CustomTime(rootOptions); + this.customTime.on('timechange', function (time) { + me.emit('timechange', time); + }); + this.customTime.on('timechanged', function (time) { + me.emit('timechanged', time); + }); + + this.itemSet = null; + this.groupSet = null; + + // create groupset + this.setGroups(null); + + this.itemsData = null; // DataSet + this.groupsData = null; // DataSet + + // apply options + if (options) { + this.setOptions(options); + } + + // create itemset and groupset + if (items) { + this.setItems(items); + } +} + +// turn Timeline into an event emitter +Emitter(Timeline.prototype); + +/** + * Set options + * @param {Object} options TODO: describe the available options + */ +Timeline.prototype.setOptions = function (options) { + util.extend(this.options, options); + + // force update of range (apply new min/max etc.) + // both start and end are optional + this.range.setRange(options.start, options.end); + + if ('editable' in options || 'selectable' in options) { + if (this.options.selectable) { + // force update of selection + this.setSelection(this.getSelection()); + } + else { + // remove selection + this.setSelection([]); + } + } + + // validate the callback functions + var validateCallback = (function (fn) { + if (!(this.options[fn] instanceof Function) || this.options[fn].length != 2) { + throw new Error('option ' + fn + ' must be a function ' + fn + '(item, callback)'); + } + }).bind(this); + ['onAdd', 'onUpdate', 'onRemove', 'onMove'].forEach(validateCallback); + + // add/remove the current time bar + if (this.options.showCurrentTime) { + if (!this.mainPanel.hasChild(this.currentTime)) { + this.mainPanel.appendChild(this.currentTime); + this.currentTime.start(); + } + } + else { + if (this.mainPanel.hasChild(this.currentTime)) { + this.currentTime.stop(); + this.mainPanel.removeChild(this.currentTime); + } + } + + // add/remove the custom time bar + if (this.options.showCustomTime) { + if (!this.mainPanel.hasChild(this.customTime)) { + this.mainPanel.appendChild(this.customTime); + } + } + else { + if (this.mainPanel.hasChild(this.customTime)) { + this.mainPanel.removeChild(this.customTime); + } + } + + // 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.'); + } + + // repaint everything + this.rootPanel.repaint(); +}; + +/** + * Set a custom time bar + * @param {Date} time + */ +Timeline.prototype.setCustomTime = function (time) { + if (!this.customTime) { + throw new Error('Cannot get custom time: Custom time bar is not enabled'); + } + + this.customTime.setCustomTime(time); +}; + +/** + * Retrieve the current custom time. + * @return {Date} customTime + */ +Timeline.prototype.getCustomTime = function() { + if (!this.customTime) { + throw new Error('Cannot get custom time: Custom time bar is not enabled'); + } + + return this.customTime.getCustomTime(); +}; + +/** + * 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) { + newDataSet = items; + } + if (!(items instanceof DataSet)) { + newDataSet = new DataSet({ + convert: { + start: 'Date', + end: 'Date' + } + }); + newDataSet.add(items); + } + + // set items + this.itemsData = newDataSet; + (this.itemSet || this.groupSet).setItems(newDataSet); + + if (initialLoad && (this.options.start == undefined || this.options.end == undefined)) { + // apply the data range as range + var dataRange = this.getItemRange(); + + // 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); + } + + // override specified start and/or end date + if (this.options.start != undefined) { + start = util.convert(this.options.start, 'Date'); + } + if (this.options.end != undefined) { + end = util.convert(this.options.end, 'Date'); + } + + // skip range set if there is no start and end date + if (start === null && end === null) { + return; + } + + // if start and end dates are set but cannot be satisfyed due to zoom restrictions — correct end date + if (start != null && end != null) { + var diff = end.valueOf() - start.valueOf(); + if (this.options.zoomMax != undefined && this.options.zoomMax < diff) { + end = new Date(start.valueOf() + this.options.zoomMax); + } + if (this.options.zoomMin != undefined && this.options.zoomMin > diff) { + end = new Date(start.valueOf() + this.options.zoomMin); + } + } + + this.range.setRange(start, end); + } +}; + +/** + * Set groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groupSet + */ +Timeline.prototype.setGroups = function(groupSet) { + var me = this; + this.groupsData = groupSet; + + // create options for the itemset or groupset + var options = util.extend(Object.create(this.options), { + top: null, + bottom: null, + right: null, + left: null, + width: null, + height: null + }); + + if (this.groupsData) { + // Create a GroupSet + + // remove itemset if existing + if (this.itemSet) { + this.itemSet.hide(); // TODO: not so nice having to hide here + this.contentPanel.removeChild(this.itemSet); + this.itemSet.setItems(); // disconnect from itemset + this.itemSet = null; + } + + // create new GroupSet when needed + if (!this.groupSet) { + this.groupSet = new GroupSet(this.contentPanel, this.sideContentPanel, this.backgroundPanel, this.axisPanel, options); + this.groupSet.on('change', this.rootPanel.repaint.bind(this.rootPanel)); + this.groupSet.setRange(this.range); + this.groupSet.setItems(this.itemsData); + this.groupSet.setGroups(this.groupsData); + this.contentPanel.appendChild(this.groupSet); + } + else { + this.groupSet.setGroups(this.groupsData); + } + } + else { + // ItemSet + if (this.groupSet) { + this.groupSet.hide(); // TODO: not so nice having to hide here + //this.groupSet.setGroups(); // disconnect from groupset + this.groupSet.setItems(); // disconnect from itemset + this.contentPanel.removeChild(this.groupSet); + this.groupSet = null; + } + + // create new items + this.itemSet = new ItemSet(this.backgroundPanel, this.axisPanel, options); + this.itemSet.setRange(this.range); + this.itemSet.setItems(this.itemsData); + this.itemSet.on('change', me.rootPanel.repaint.bind(me.rootPanel)); + this.contentPanel.appendChild(this.itemSet); + } +}; + +/** + * 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 getItemRange() { + // calculate min from start filed + var itemsData = this.itemsData, + min = null, + max = null; + + if (itemsData) { + // calculate the minimum value of the field 'start' + var minItem = itemsData.min('start'); + min = minItem ? minItem.start.valueOf() : null; + + // calculate maximum value of fields 'start' and 'end' + var maxStartItem = itemsData.max('start'); + if (maxStartItem) { + max = maxStartItem.start.valueOf(); + } + var maxEndItem = itemsData.max('end'); + if (maxEndItem) { + if (max == null) { + max = maxEndItem.end.valueOf(); + } + else { + max = Math.max(max, maxEndItem.end.valueOf()); + } + } + } + + return { + min: (min != null) ? new Date(min) : null, + max: (max != null) ? new Date(max) : null + }; +}; + +/** + * Set selected items by their id. Replaces the current selection + * Unknown id's are silently ignored. + * @param {Array} [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. + */ +Timeline.prototype.setSelection = function setSelection (ids) { + var itemOrGroupSet = (this.itemSet || this.groupSet); + + if (itemOrGroupSet) itemOrGroupSet.setSelection(ids); +}; + +/** + * Get the selected items by their id + * @return {Array} ids The ids of the selected items + */ +Timeline.prototype.getSelection = function getSelection() { + var itemOrGroupSet = (this.itemSet || this.groupSet); + + return itemOrGroupSet ? itemOrGroupSet.getSelection() : []; +}; + +/** + * 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} [start] Start date of visible window + * @param {Date | Number | String} [end] End date of visible window + */ +Timeline.prototype.setWindow = function setWindow(start, end) { + if (arguments.length == 1) { + var range = arguments[0]; + this.range.setRange(range.start, range.end); + } + else { + this.range.setRange(start, end); + } +}; + +/** + * Get the visible window + * @return {{start: Date, end: Date}} Visible range + */ +Timeline.prototype.getWindow = function setWindow() { + var range = this.range.getRange(); + return { + start: new Date(range.start), + end: new Date(range.end) + }; +}; + +/** + * Handle selecting/deselecting an item when tapping it + * @param {Event} event + * @private + */ +// TODO: move this function to ItemSet +Timeline.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(); + + // if selection is changed, emit a select event + if (!util.equalArray(oldSelection, newSelection)) { + this.emit('select', { + items: this.getSelection() + }); + } + + event.stopPropagation(); +}; + +/** + * Handle creation and updates of an item on double tap + * @param event + * @private + */ +Timeline.prototype._onAddItem = function (event) { + if (!this.options.selectable) return; + if (!this.options.editable) return; + + var me = this, + 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 { + // add item + var xAbs = vis.util.getAbsoluteLeft(this.rootPanel.frame); + var x = event.gesture.center.pageX - xAbs; + var newItem = { + start: this.timeAxis.snap(this._toTime(x)), + content: 'new item' + }; + + var id = util.randomUUID(); + newItem[this.itemsData.fieldId] = id; + + var group = GroupSet.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(newItem); + // TODO: need to trigger a repaint? + } + }); + } +}; + +/** + * Handle selecting/deselecting multiple items when holding an item + * @param {Event} event + * @private + */ +// TODO: move this function to ItemSet +Timeline.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.emit('select', { + items: this.getSelection() + }); + + event.stopPropagation(); + } +}; + +/** + * 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 + */ +Timeline.prototype._toTime = function _toTime(x) { + var conversion = this.range.conversion(this.mainPanel.width); + return new Date(x / conversion.scale + conversion.offset); +}; + +/** + * 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 + */ +Timeline.prototype._toScreen = function _toScreen(time) { + var conversion = this.range.conversion(this.mainPanel.width); + return (time.valueOf() - conversion.offset) * conversion.scale; +}; + +(function(exports) { + /** + * 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(); + } + + // 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); + } + + /** + * 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); + } + + /** + * Preview the next character from the dot file. + * @return {String} cNext + */ + function nextPreview() { + return dot.charAt(index + 1); + } + + /** + * Test whether given character is alphabetic or numeric + * @param {String} c + * @return {Boolean} isAlphaNumeric + */ + var regexAlphaNumeric = /[a-zA-Z_0-9.:#]/; + function isAlphaNumeric(c) { + return regexAlphaNumeric.test(c); + } + + /** + * 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; + } + + /** + * Set a value in an object, where the provided parameter name can be a + * path with nested parameters. For example: + * + * var obj = {a: 2}; + * setValue(obj, 'b.c', 3); // obj = {a: 2, b: {c: 3}} + * + * @param {Object} obj + * @param {String} path A parameter name or dot-separated parameter path, + * like "color.highlight.border". + * @param {*} value + */ + function setValue(obj, path, value) { + var keys = path.split('.'); + var o = obj; + while (keys.length) { + var key = keys.shift(); + if (keys.length) { + // this isn't the end point + if (!o[key]) { + o[key] = {}; + } + o = o[key]; + } + else { + // this is the end point + o[key] = value; + } + } + } + + /** + * Add 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; + + // 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; + } + + // 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 (!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); + } + } + + /** + * 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 + } + } + + /** + * 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 (graph.edge) { + edge.attr = merge({}, graph.edge); // clone default attributes + } + edge.attr = merge(edge.attr || {}, attr); // merge attributes + + return edge; + } + + /** + * Get next token in the current dot file. + * The token and token type are available as token and tokenType + */ + function getToken() { + tokenType = TOKENTYPE.NULL; + token = ''; + + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); + } + + do { + var isComment = false; + + // skip comment + if (c == '#') { + // find the previous non-space character + var i = index - 1; + while (dot.charAt(i) == ' ' || dot.charAt(i) == '\t') { + i--; + } + if (dot.charAt(i) == '\n' || dot.charAt(i) == '') { + // the # is at the start of a line, this is indeed a line comment + while (c != '' && c != '\n') { + next(); + } + isComment = true; + } + } + if (c == '/' && nextPreview() == '/') { + // skip line comment + while (c != '' && c != '\n') { + next(); + } + isComment = true; + } + if (c == '/' && nextPreview() == '*') { + // skip block comment + while (c != '') { + if (c == '*' && nextPreview() == '/') { + // end of block comment found. skip these last two characters + next(); + next(); + break; + } + else { + next(); + } + } + isComment = true; + } + + // skip over whitespaces + while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter + next(); + } + } + while (isComment); + + // check for end of dot file + if (c == '') { + // token is still empty + tokenType = TOKENTYPE.DELIMITER; + return; + } + + // check for delimiters consisting of 2 characters + var c2 = c + nextPreview(); + if (DELIMITERS[c2]) { + tokenType = TOKENTYPE.DELIMITER; + token = c2; + next(); + next(); + return; + } + + // check for delimiters consisting of 1 character + if (DELIMITERS[c]) { + tokenType = TOKENTYPE.DELIMITER; + token = c; + next(); + return; + } + + // check for an identifier (number or string) + // TODO: more precise parsing of numbers/strings (and the port separator ':') + if (isAlphaNumeric(c) || c == '-') { + token += c; + next(); + + 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) + '"'); + } + + /** + * Parse a graph. + * @returns {Object} graph + */ + function parseGraph() { + var graph = {}; + + first(); + getToken(); + + // 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; + + return graph; + } + + /** + * Parse a list with statements. + * @param {Object} graph + */ + function parseStatements (graph) { + while (token !== '' && token != '}') { + parseStatement(graph); + if (token == ';') { + getToken(); + } + } + } + + /** + * Parse a single statement. Can be a an attribute statement, node + * statement, a series of node statements and edge statements, or a + * parameter. + * @param {Object} graph + */ + function parseStatement(graph) { + // parse subgraph + var subgraph = parseSubgraph(graph); + if (subgraph) { + // edge statements + parseEdge(graph, subgraph); + + return; + } + + // parse an attribute statement + var attr = parseAttributeStatement(graph); + if (attr) { + return; + } + + // parse node + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier expected'); + } + var id = token; // id can be a string or a number + getToken(); + + if (token == '=') { + // id statement + getToken(); + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier expected'); + } + graph[id] = token; + getToken(); + // TODO: implement comma separated list with "a_list: ID=ID [','] [a_list] " + } + else { + parseNodeStatement(graph, id); + } + } + + /** + * Parse a subgraph + * @param {Object} graph parent graph object + * @return {Object | null} subgraph + */ + function parseSubgraph (graph) { + var subgraph = null; + + // optional subgraph keyword + if (token == 'subgraph') { + subgraph = {}; + subgraph.type = 'subgraph'; + getToken(); + + // optional graph id + if (tokenType == TOKENTYPE.IDENTIFIER) { + subgraph.id = token; + getToken(); + } + } + + // open angle bracket + if (token == '{') { + getToken(); + + if (!subgraph) { + subgraph = {}; + } + subgraph.parent = graph; + subgraph.node = graph.node; + subgraph.edge = graph.edge; + subgraph.graph = graph.graph; + + // statements + parseStatements(subgraph); + + // close angle bracket + if (token != '}') { + throw newSyntaxError('Angle bracket } expected'); + } + getToken(); + + // remove temporary default properties + delete subgraph.node; + delete subgraph.edge; + delete subgraph.graph; + delete subgraph.parent; + + // register at the parent graph + if (!graph.subgraphs) { + graph.subgraphs = []; + } + graph.subgraphs.push(subgraph); + } + + return subgraph; + } + + /** + * parse an attribute statement like "node [shape=circle fontSize=16]". + * Available keywords are 'node', 'edge', 'graph'. + * The previous list with default attributes will be replaced + * @param {Object} graph + * @returns {String | null} keyword Returns the name of the parsed attribute + * (node, edge, graph), or null if nothing + * is parsed. + */ + function parseAttributeStatement (graph) { + // attribute statements + if (token == 'node') { + getToken(); + + // node attributes + graph.node = parseAttributeList(); + return 'node'; + } + else if (token == 'edge') { + getToken(); + + // edge attributes + graph.edge = parseAttributeList(); + return 'edge'; + } + else if (token == 'graph') { + getToken(); + + // graph attributes + graph.graph = parseAttributeList(); + return 'graph'; + } + + return null; + } + + /** + * parse a node statement + * @param {Object} graph + * @param {String | Number} id + */ + function parseNodeStatement(graph, id) { + // node statement + var node = { + id: id + }; + var attr = parseAttributeList(); + if (attr) { + node.attr = attr; + } + addNode(graph, node); + + // edge statements + parseEdge(graph, id); + } + + /** + * Parse an edge or a series of edges + * @param {Object} graph + * @param {String | Number} from Id of the from node + */ + function parseEdge(graph, from) { + while (token == '->' || token == '--') { + var to; + var type = token; + getToken(); + + var subgraph = parseSubgraph(graph); + if (subgraph) { + to = subgraph; + } + else { + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Identifier or subgraph expected'); + } + to = token; + addNode(graph, { + id: to + }); + getToken(); + } + + // parse edge attributes + var attr = parseAttributeList(); + + // create edge + var edge = createEdge(graph, from, to, type, attr); + addEdge(graph, edge); + + from = to; + } + } + + /** + * Parse a set with attributes, + * for example [label="1.000", shape=solid] + * @return {Object | null} attr + */ + function parseAttributeList() { + var attr = null; + + while (token == '[') { + getToken(); + attr = {}; + while (token !== '' && token != ']') { + if (tokenType != TOKENTYPE.IDENTIFIER) { + throw newSyntaxError('Attribute name expected'); + } + var name = token; + + 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(); + } + } + + 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) + '...'); + } + + /** + * 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 (array1 instanceof Array) { + array1.forEach(function (elem1) { + if (array2 instanceof Array) { + array2.forEach(function (elem2) { + fn(elem1, elem2); + }); + } + else { + fn(elem1, array2); + } + }); + } + else { + if (array2 instanceof Array) { + array2.forEach(function (elem2) { + fn(array1, elem2); + }); + } + else { + fn(array1, array2); + } + } + } + + /** + * Convert a string containing a graph in DOT language into a map containing + * with nodes and edges in the format of graph. + * @param {String} data Text containing a graph in DOT-notation + * @return {Object} graphData + */ + 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); + }); + } + + 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; + } + + return graphData; + } + + // exports + exports.parseDOT = parseDOT; + exports.DOTToGraph = DOTToGraph; + +})(typeof util !== 'undefined' ? util : exports); + +/** + * Canvas shapes used by the Graph + */ +if (typeof CanvasRenderingContext2D !== 'undefined') { + + /** + * Draw a circle shape + */ + CanvasRenderingContext2D.prototype.circle = function(x, y, r) { + this.beginPath(); + this.arc(x, y, r, 0, 2*Math.PI, false); + }; + + /** + * Draw a square shape + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r size, width and height of the square + */ + CanvasRenderingContext2D.prototype.square = function(x, y, r) { + this.beginPath(); + this.rect(x - r, y - r, r * 2, r * 2); + }; + + /** + * Draw a triangle shape + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r radius, half the length of the sides of the triangle + */ + CanvasRenderingContext2D.prototype.triangle = function(x, y, r) { + // http://en.wikipedia.org/wiki/Equilateral_triangle + this.beginPath(); + + var s = r * 2; + var s2 = s / 2; + var ir = Math.sqrt(3) / 6 * s; // radius of inner circle + var h = Math.sqrt(s * s - s2 * s2); // height + + this.moveTo(x, y - (h - ir)); + this.lineTo(x + s2, y + ir); + this.lineTo(x - s2, y + ir); + this.lineTo(x, y - (h - ir)); + this.closePath(); + }; + + /** + * Draw a triangle shape in downward orientation + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r radius + */ + CanvasRenderingContext2D.prototype.triangleDown = function(x, y, r) { + // http://en.wikipedia.org/wiki/Equilateral_triangle + this.beginPath(); + + var s = r * 2; + var s2 = s / 2; + var ir = Math.sqrt(3) / 6 * s; // radius of inner circle + var h = Math.sqrt(s * s - s2 * s2); // height + + this.moveTo(x, y + (h - ir)); + this.lineTo(x + s2, y - ir); + this.lineTo(x - s2, y - ir); + this.lineTo(x, y + (h - ir)); + this.closePath(); + }; + + /** + * Draw a star shape, a star with 5 points + * @param {Number} x horizontal center + * @param {Number} y vertical center + * @param {Number} r radius, half the length of the sides of the triangle + */ + CanvasRenderingContext2D.prototype.star = function(x, y, r) { + // http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/ + this.beginPath(); + + for (var n = 0; n < 10; n++) { + var radius = (n % 2 === 0) ? r * 1.3 : r * 0.5; + this.lineTo( + x + radius * Math.sin(n * 2 * Math.PI / 10), + y - radius * Math.cos(n * 2 * Math.PI / 10) + ); + } + + this.closePath(); + }; + + /** + * http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas + */ + CanvasRenderingContext2D.prototype.roundRect = function(x, y, w, h, r) { + var r2d = Math.PI/180; + if( w - ( 2 * r ) < 0 ) { r = ( w / 2 ); } //ensure that the radius isn't too large for x + if( h - ( 2 * r ) < 0 ) { r = ( h / 2 ); } //ensure that the radius isn't too large for y + this.beginPath(); + this.moveTo(x+r,y); + this.lineTo(x+w-r,y); + this.arc(x+w-r,y+r,r,r2d*270,r2d*360,false); + this.lineTo(x+w,y+h-r); + this.arc(x+w-r,y+h-r,r,0,r2d*90,false); + this.lineTo(x+r,y+h); + this.arc(x+r,y+h-r,r,r2d*90,r2d*180,false); + this.lineTo(x,y+r); + this.arc(x+r,y+r,r,r2d*180,r2d*270,false); + }; + + /** + * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas + */ + CanvasRenderingContext2D.prototype.ellipse = function(x, y, w, h) { + var kappa = .5522848, + ox = (w / 2) * kappa, // control point offset horizontal + oy = (h / 2) * kappa, // control point offset vertical + xe = x + w, // x-end + ye = y + h, // y-end + xm = x + w / 2, // x-middle + ym = y + h / 2; // y-middle + + this.beginPath(); + this.moveTo(x, ym); + this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); + this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); + this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); + this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); + }; + + + + /** + * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas + */ + CanvasRenderingContext2D.prototype.database = function(x, y, w, h) { + var f = 1/3; + var wEllipse = w; + var hEllipse = h * f; + + 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 +} + +/** + * @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 {Graph.Images} imagelist A list with images. Only needed + * when the node has an image + * @param {Graph.Groups} grouplist A list with groups. Needed for + * retrieving group properties + * @param {Object} constants An object with default values for + * example for the color + * + */ +function Node(properties, imagelist, grouplist, constants) { + this.selected = false; + + this.edges = []; // all edges connected to this node + this.dynamicEdges = []; + this.reroutedEdges = {}; + this.group = constants.nodes.group; + + this.fontSize = constants.nodes.fontSize; + this.fontFace = constants.nodes.fontFace; + this.fontColor = constants.nodes.fontColor; + this.fontDrawThreshold = 3; + + this.color = constants.nodes.color; + + // set defaults for the properties + this.id = undefined; + this.shape = constants.nodes.shape; + this.image = constants.nodes.image; + this.x = null; + this.y = null; + 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.radius = constants.nodes.radius; + this.baseRadiusValue = constants.nodes.radius; + this.radiusFixed = false; + this.radiusMin = constants.nodes.radiusMin; + this.radiusMax = constants.nodes.radiusMax; + this.level = -1; + this.preassignedLevel = false; + + + 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.minForce = constants.minForce; + this.damping = constants.physics.damping; + this.mass = 1; // kg + this.fixedData = {x:null,y:null}; + + this.setProperties(properties, constants); + + // creating the variables for clustering + this.resetCluster(); + this.dynamicEdgesLength = 0; + this.clusterSession = 0; + this.clusterSizeWidthFactor = constants.clustering.nodeScaling.width; + this.clusterSizeHeightFactor = constants.clustering.nodeScaling.height; + this.clusterSizeRadiusFactor = constants.clustering.nodeScaling.radius; + this.maxNodeSizeIncrements = constants.clustering.maxNodeSizeIncrements; + this.growthIndicator = 0; + + // variables to tell the node about the graph. + this.graphScaleInv = 1; + this.graphScale = 1; + this.canvasTopLeft = {"x": -300, "y": -300}; + this.canvasBottomRight = {"x": 300, "y": 300}; + this.parentEdgeId = null; +} + +/** + * (re)setting the clustering variables and objects + */ +Node.prototype.resetCluster = function() { + // clustering variables + this.formationScale = undefined; // this is used to determine when to open the cluster + this.clusterSize = 1; // this signifies the total amount of nodes in this cluster + this.containedNodes = {}; + this.containedEdges = {}; + this.clusterSessions = []; +}; + +/** + * Attach a edge to the node + * @param {Edge} edge + */ +Node.prototype.attachEdge = function(edge) { + if (this.edges.indexOf(edge) == -1) { + this.edges.push(edge); + } + if (this.dynamicEdges.indexOf(edge) == -1) { + this.dynamicEdges.push(edge); + } + this.dynamicEdgesLength = this.dynamicEdges.length; +}; + +/** + * 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); + this.dynamicEdges.splice(index, 1); + } + this.dynamicEdgesLength = this.dynamicEdges.length; +}; + + +/** + * 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; + } + this.originalLabel = undefined; + // 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.group !== undefined) {this.group = properties.group;} + 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;} + + + // physics + if (properties.mass !== undefined) {this.mass = properties.mass;} + + // navigation controls properties + if (properties.horizontalAlignLeft !== undefined) {this.horizontalAlignLeft = properties.horizontalAlignLeft;} + if (properties.verticalAlignTop !== undefined) {this.verticalAlignTop = properties.verticalAlignTop;} + if (properties.triggerFunction !== undefined) {this.triggerFunction = properties.triggerFunction;} + + if (this.id === undefined) { + throw "Node must have an id"; + } + + // copy group properties + if (this.group) { + var groupObj = this.grouplist.get(this.group); + for (var prop in groupObj) { + if (groupObj.hasOwnProperty(prop)) { + this[prop] = groupObj[prop]; + } + } + } + + // individual shape properties + if (properties.shape !== undefined) {this.shape = properties.shape;} + if (properties.image !== undefined) {this.image = properties.image;} + if (properties.radius !== undefined) {this.radius = properties.radius;} + if (properties.color !== undefined) {this.color = util.parseColor(properties.color);} + + if (properties.fontColor !== undefined) {this.fontColor = properties.fontColor;} + if (properties.fontSize !== undefined) {this.fontSize = properties.fontSize;} + if (properties.fontFace !== undefined) {this.fontFace = properties.fontFace;} + + if (this.image !== undefined && this.image != "") { + if (this.imagelist) { + this.imageObj = this.imagelist.load(this.image); + } + else { + throw "No imagelist provided"; + } + } + + this.xFixed = this.xFixed || (properties.x !== undefined && !properties.allowedToMoveX); + this.yFixed = this.yFixed || (properties.y !== undefined && !properties.allowedToMoveY); + this.radiusFixed = this.radiusFixed || (properties.radius !== undefined); + + if (this.shape == 'image') { + this.radiusMin = constants.nodes.widthMin; + this.radiusMax = constants.nodes.widthMax; + } + + // choose draw method depending on the shape + switch (this.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(); +}; + +/** + * select this node + */ +Node.prototype.select = function() { + this.selected = true; + this._reset(); +}; + +/** + * unselect this node + */ +Node.prototype.unselect = function() { + this.selected = false; + this._reset(); +}; + + +/** + * Reset the calculated size of the node, forces it to recalculate its size + */ +Node.prototype.clearSizeCache = function() { + this._reset(); +}; + +/** + * Reset the calculated size of the node, forces it to recalculate its size + * @private + */ +Node.prototype._reset = function() { + this.width = undefined; + this.height = undefined; +}; + +/** + * get the title of this node. + * @return {string} title The title of the node, or undefined when no title + * has been set. + */ +Node.prototype.getTitle = function() { + return typeof this.title === "function" ? this.title() : this.title; +}; + +/** + * 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; + + if (!this.width) { + this.resize(ctx); + } + + switch (this.shape) { + case 'circle': + case 'dot': + return this.radius + borderWidth; + + case 'ellipse': + var a = this.width / 2; + var b = this.height / 2; + var w = (Math.sin(angle) * a); + var h = (Math.cos(angle) * b); + return a * b / Math.sqrt(w * w + h * h); + + // TODO: implement distanceToBorder for database + // TODO: implement distanceToBorder for triangle + // TODO: implement distanceToBorder for triangleDown + + case 'box': + case 'image': + case 'text': + default: + if (this.width) { + return Math.min( + Math.abs(this.width / 2 / Math.cos(angle)), + Math.abs(this.height / 2 / Math.sin(angle))) + borderWidth; + // TODO: reckon with border radius too in case of box + } + else { + return 0; + } + + } + // TODO: implement calculation of distance to border for all shapes +}; + +/** + * Set forces acting on the node + * @param {number} fx Force in horizontal direction + * @param {number} fy Force in vertical direction + */ +Node.prototype._setForce = function(fx, fy) { + this.fx = fx; + this.fy = fy; +}; + +/** + * Add forces acting on the node + * @param {number} fx Force in horizontal direction + * @param {number} fy Force in vertical direction + * @private + */ +Node.prototype._addForce = function(fx, fy) { + this.fx += fx; + this.fy += fy; +}; + +/** + * 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.mass; // acceleration + this.vx += ax * interval; // velocity + this.x += this.vx * interval; // position + } + + if (!this.yFixed) { + var dy = this.damping * this.vy; // damping force + var ay = (this.fy - dy) / this.mass; // acceleration + this.vy += ay * interval; // velocity + this.y += this.vy * interval; // position + } +}; + + + +/** + * Perform one discrete step for the node + * @param {number} interval Time interval in seconds + */ +Node.prototype.discreteStepLimited = function(interval, maxVelocity) { + if (!this.xFixed) { + var dx = this.damping * this.vx; // damping force + var ax = (this.fx - dx) / this.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; + } + + if (!this.yFixed) { + var dy = this.damping * this.vy; // damping force + var ay = (this.fy - dy) / this.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; + } +}; + +/** + * 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); +}; + +/** + * 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 + */ +// TODO: replace this method with calculating the kinetic energy +Node.prototype.isMoving = function(vmin) { + return (Math.abs(this.vx) > vmin || Math.abs(this.vy) > vmin); +}; + +/** + * check if this node is selecte + * @return {boolean} selected True if node is selected, else false + */ +Node.prototype.isSelected = function() { + return this.selected; +}; + +/** + * Retrieve the value of the node. Can be undefined + * @return {Number} value + */ +Node.prototype.getValue = function() { + return this.value; +}; + +/** + * 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); +}; + + +/** + * 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.radius = (this.radiusMin + this.radiusMax) / 2; + } + else { + var scale = (this.radiusMax - this.radiusMin) / (max - min); + this.radius = (this.value - min) * scale + this.radiusMin; + } + } + this.baseRadiusValue = this.radius; +}; + +/** + * Draw this node in the given canvas + * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); + * @param {CanvasRenderingContext2D} ctx + */ +Node.prototype.draw = function(ctx) { + throw "Draw method not initialized for node"; +}; + +/** + * 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"; +}; + +/** + * 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); +}; + +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.radius = this.baseRadiusValue; + var scale = this.imageObj.height / this.imageObj.width; + if (scale !== undefined) { + width = this.radius || this.imageObj.width; + height = this.radius * scale || this.imageObj.height; + } + else { + width = 0; + height = 0; + } + } + else { + width = this.imageObj.width; + height = this.imageObj.height; + } + this.width = width; + this.height = height; + + this.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.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - width; + } + } + +}; + +Node.prototype._drawImage = function (ctx) { + this._resizeImage(ctx); + + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; + + var yLabel; + if (this.imageObj.width != 0 ) { + // draw the shade + if (this.clusterSize > 1) { + var lineWidth = ((this.clusterSize > 1) ? 10 : 0.0); + lineWidth *= this.graphScaleInv; + lineWidth = Math.min(0.2 * this.width,lineWidth); + + ctx.globalAlpha = 0.5; + ctx.drawImage(this.imageObj, this.left - lineWidth, this.top - lineWidth, this.width + 2*lineWidth, this.height + 2*lineWidth); + } + + // 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"); +}; + + +Node.prototype._resizeBox = function (ctx) { + if (!this.width) { + var margin = 5; + var textSize = this.getTextSize(ctx); + this.width = textSize.width + 2 * margin; + this.height = textSize.height + 2 * margin; + + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeHeightFactor; + this.growthIndicator = this.width - (textSize.width + 2 * margin); +// this.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; + + } +}; + +Node.prototype._drawBox = function (ctx) { + this._resizeBox(ctx); + + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; + + var clusterLineWidth = 2.5; + var selectionLineWidth = 2; + + ctx.strokeStyle = this.selected ? this.color.highlight.border : this.color.border; + + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * this.width,ctx.lineWidth); + + ctx.roundRect(this.left-2*ctx.lineWidth, this.top-2*ctx.lineWidth, this.width+4*ctx.lineWidth, this.height+4*ctx.lineWidth, this.radius); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * this.width,ctx.lineWidth); + + ctx.fillStyle = this.selected ? this.color.highlight.background : this.color.background; + + ctx.roundRect(this.left, this.top, this.width, this.height, this.radius); + ctx.fill(); + ctx.stroke(); + + this._label(ctx, this.label, this.x, this.y); +}; + + +Node.prototype._resizeDatabase = function (ctx) { + if (!this.width) { + var margin = 5; + var textSize = this.getTextSize(ctx); + var size = textSize.width + 2 * margin; + this.width = size; + this.height = size; + + // scaling used for clustering + this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; + this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; + this.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - size; + } +}; + +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 selectionLineWidth = 2; + + ctx.strokeStyle = this.selected ? this.color.highlight.border : this.color.border; + + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * this.width,ctx.lineWidth); + + ctx.database(this.x - this.width/2 - 2*ctx.lineWidth, this.y - this.height*0.5 - 2*ctx.lineWidth, this.width + 4*ctx.lineWidth, this.height + 4*ctx.lineWidth); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * this.width,ctx.lineWidth); + + ctx.fillStyle = this.selected ? this.color.highlight.background : this.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.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.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; + this.growthIndicator = this.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 selectionLineWidth = 2; + + ctx.strokeStyle = this.selected ? this.color.highlight.border : this.color.border; + + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * this.width,ctx.lineWidth); + + ctx.circle(this.x, this.y, this.radius+2*ctx.lineWidth); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * this.width,ctx.lineWidth); + + ctx.fillStyle = this.selected ? this.color.highlight.background : this.color.background; + ctx.circle(this.x, this.y, this.radius); + ctx.fill(); + ctx.stroke(); + + this._label(ctx, this.label, this.x, this.y); +}; + +Node.prototype._resizeEllipse = function (ctx) { + if (!this.width) { + var textSize = this.getTextSize(ctx); + + this.width = textSize.width * 1.5; + this.height = textSize.height * 2; + if (this.width < this.height) { + this.width = this.height; + } + 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.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 selectionLineWidth = 2; + + ctx.strokeStyle = this.selected ? this.color.highlight.border : this.color.border; + + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * 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 : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * this.width,ctx.lineWidth); + + ctx.fillStyle = this.selected ? this.color.highlight.background : this.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.radius = this.baseRadiusValue; + var size = 2 * this.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.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - size; + } +}; + +Node.prototype._drawShape = function (ctx, shape) { + this._resizeShape(ctx); + + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; + + var clusterLineWidth = 2.5; + var selectionLineWidth = 2; + 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.color.highlight.border : this.color.border; + + // draw the outer border + if (this.clusterSize > 1) { + ctx.lineWidth = (this.selected ? selectionLineWidth : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * this.width,ctx.lineWidth); + + ctx[shape](this.x, this.y, this.radius + radiusMultiplier * ctx.lineWidth); + ctx.stroke(); + } + ctx.lineWidth = (this.selected ? selectionLineWidth : 1.0) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); + ctx.lineWidth *= this.graphScaleInv; + ctx.lineWidth = Math.min(0.1 * this.width,ctx.lineWidth); + + ctx.fillStyle = this.selected ? this.color.highlight.background : this.color.background; + + ctx[shape](this.x, this.y, this.radius); + ctx.fill(); + ctx.stroke(); + + if (this.label) { + this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'top'); + } +}; + +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; + + // 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.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; + this.growthIndicator = this.width - (textSize.width + 2 * margin); + } +}; + +Node.prototype._drawText = function (ctx) { + this._resizeText(ctx); + this.left = this.x - this.width / 2; + this.top = this.y - this.height / 2; + + this._label(ctx, this.label, this.x, this.y); +}; + + +Node.prototype._label = function (ctx, text, x, y, align, baseline) { + if (text && this.fontSize * this.graphScale > this.fontDrawThreshold) { + ctx.font = (this.selected ? "bold " : "") + this.fontSize + "px " + this.fontFace; + ctx.fillStyle = this.fontColor || "black"; + ctx.textAlign = align || "center"; + ctx.textBaseline = baseline || "middle"; + + var lines = text.split('\n'), + lineCount = lines.length, + fontSize = (this.fontSize + 4), + yLine = y + (1 - lineCount) / 2 * fontSize; + + for (var i = 0; i < lineCount; i++) { + ctx.fillText(lines[i], x, yLine); + yLine += fontSize; + } + } +}; + + +Node.prototype.getTextSize = function(ctx) { + if (this.label !== undefined) { + ctx.font = (this.selected ? "bold " : "") + this.fontSize + "px " + this.fontFace; + + var lines = this.label.split('\n'), + height = (this.fontSize + 4) * lines.length, + width = 0; + + for (var i = 0, iMax = lines.length; i < iMax; i++) { + width = Math.max(width, ctx.measureText(lines[i]).width); + } + + return {"width": width, "height": height}; + } + else { + return {"width": 0, "height": 0}; + } +}; + +/** + * this is used to determine if a node is visible at all. this is used to determine when it needs to be drawn. + * there is a safety margin of 0.3 * width; + * + * @returns {boolean} + */ +Node.prototype.inArea = function() { + if (this.width !== undefined) { + return (this.x + this.width*this.graphScaleInv >= this.canvasTopLeft.x && + this.x - this.width*this.graphScaleInv < this.canvasBottomRight.x && + this.y + this.height*this.graphScaleInv >= this.canvasTopLeft.y && + this.y - this.height*this.graphScaleInv < this.canvasBottomRight.y); + } + else { + return true; + } +}; + +/** + * 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 allows the zoom level of the graph 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.graphScaleInv = 1.0/scale; + this.graphScale = scale; + this.canvasTopLeft = canvasTopLeft; + this.canvasBottomRight = canvasBottomRight; +}; + + +/** + * This allows the zoom level of the graph to influence the rendering + * + * @param scale + */ +Node.prototype.setScale = function(scale) { + this.graphScaleInv = 1.0/scale; + this.graphScale = scale; +}; + + + +/** + * 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; +}; + + +/** + * 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.mass) : Math.sqrt(energyBefore/this.mass); + this.vx = Math.sqrt(energyBefore/this.mass); + energyBefore = this.vy * this.vy * massBeforeClustering; + //this.vy = (this.vy < 0) ? -Math.sqrt(energyBefore/this.mass) : Math.sqrt(energyBefore/this.mass); + this.vy = Math.sqrt(energyBefore/this.mass); +}; + + +/** + * @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 {Graph} graph A graph object, used to find and edge to + * nodes. + * @param {Object} constants An object with default values for + * example for the color + */ +function Edge (properties, graph, constants) { + if (!graph) { + throw "No graph provided"; + } + this.graph = graph; + + // initialize constants + this.widthMin = constants.edges.widthMin; + this.widthMax = constants.edges.widthMax; + + // initialize variables + this.id = undefined; + this.fromId = undefined; + this.toId = undefined; + this.style = constants.edges.style; + this.title = undefined; + this.width = constants.edges.width; + this.value = undefined; + this.length = constants.physics.springLength; + this.customLength = false; + this.selected = false; + this.smooth = constants.smoothCurves; + + this.from = null; // a node + this.to = null; // a node + this.via = null; // a temp node + + // we use this to be able to reconnect the edge to a cluster if its node is put into a cluster + // by storing the original information we can revert to the original connection when the cluser is opened. + this.originalFromId = []; + this.originalToId = []; + + this.connected = false; + + // Added to support dashed lines + // David Jordan + // 2012-08-08 + this.dash = util.extend({}, constants.edges.dash); // contains properties length, gap, altLength + + this.color = {color:constants.edges.color.color, + highlight:constants.edges.color.highlight}; + this.widthFixed = false; + this.lengthFixed = false; + + this.setProperties(properties, constants); +} + +/** + * 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, constants) { + if (!properties) { + return; + } + + if (properties.from !== undefined) {this.fromId = properties.from;} + if (properties.to !== undefined) {this.toId = properties.to;} + + if (properties.id !== undefined) {this.id = properties.id;} + if (properties.style !== undefined) {this.style = properties.style;} + if (properties.label !== undefined) {this.label = properties.label;} + + if (this.label) { + this.fontSize = constants.edges.fontSize; + this.fontFace = constants.edges.fontFace; + this.fontColor = constants.edges.fontColor; + this.fontFill = constants.edges.fontFill; + + if (properties.fontColor !== undefined) {this.fontColor = properties.fontColor;} + if (properties.fontSize !== undefined) {this.fontSize = properties.fontSize;} + if (properties.fontFace !== undefined) {this.fontFace = properties.fontFace;} + if (properties.fontFill !== undefined) {this.fontFill = properties.fontFill;} + } + + if (properties.title !== undefined) {this.title = properties.title;} + if (properties.width !== undefined) {this.width = properties.width;} + if (properties.value !== undefined) {this.value = properties.value;} + if (properties.length !== undefined) {this.length = properties.length; + this.customLength = true;} + + // Added to support dashed lines + // David Jordan + // 2012-08-08 + if (properties.dash) { + if (properties.dash.length !== undefined) {this.dash.length = properties.dash.length;} + if (properties.dash.gap !== undefined) {this.dash.gap = properties.dash.gap;} + if (properties.dash.altLength !== undefined) {this.dash.altLength = properties.dash.altLength;} + } + + if (properties.color !== undefined) { + if (util.isString(properties.color)) { + this.color.color = properties.color; + this.color.highlight = properties.color; + } + else { + if (properties.color.color !== undefined) {this.color.color = properties.color.color;} + if (properties.color.highlight !== undefined) {this.color.highlight = properties.color.highlight;} + } + } + + // A node is connected when it has a from and to node. + this.connect(); + + this.widthFixed = this.widthFixed || (properties.width !== undefined); + this.lengthFixed = this.lengthFixed || (properties.length !== undefined); + + // set draw method based on style + switch (this.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; + } +}; + +/** + * Connect an edge to its nodes + */ +Edge.prototype.connect = function () { + this.disconnect(); + + this.from = this.graph.nodes[this.fromId] || null; + this.to = this.graph.nodes[this.toId] || null; + this.connected = (this.from && this.to); + + if (this.connected) { + this.from.attachEdge(this); + this.to.attachEdge(this); + } + else { + if (this.from) { + this.from.detachEdge(this); + } + if (this.to) { + this.to.detachEdge(this); + } + } +}; + +/** + * Disconnect an edge from its nodes + */ +Edge.prototype.disconnect = function () { + if (this.from) { + this.from.detachEdge(this); + this.from = null; + } + if (this.to) { + this.to.detachEdge(this); + this.to = null; + } + + this.connected = false; +}; + +/** + * 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; +}; + + +/** + * Retrieve the value of the edge. Can be undefined + * @return {Number} value + */ +Edge.prototype.getValue = function() { + return this.value; +}; + +/** + * Adjust the value range of the edge. The edge will adjust it's width + * based on its value. + * @param {Number} min + * @param {Number} max + */ +Edge.prototype.setValueRange = function(min, max) { + if (!this.widthFixed && this.value !== undefined) { + var scale = (this.widthMax - this.widthMin) / (max - min); + this.width = (this.value - min) * scale + this.widthMin; + } +}; + +/** + * 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"; +}; + +/** + * Check if this object is overlapping with the provided object + * @param {Object} obj an object with parameters left, top + * @return {boolean} True if location is located on the edge + */ +Edge.prototype.isOverlappingWith = function(obj) { + if (this.connected) { + var distMax = 10; + var xFrom = this.from.x; + var yFrom = this.from.y; + var xTo = this.to.x; + var yTo = this.to.y; + var xObj = obj.left; + var yObj = obj.top; + + var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj); + + return (dist < distMax); + } + else { + return false + } +}; + + +/** + * 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 + if (this.selected == true) {ctx.strokeStyle = this.color.highlight;} + else {ctx.strokeStyle = this.color.color;} + ctx.lineWidth = this._getLineWidth(); + + if (this.from != this.to) { + // draw line + this._line(ctx); + + // draw label + var point; + if (this.label) { + if (this.smooth == true) { + var midpointX = 0.5*(0.5*(this.from.x + this.via.x) + 0.5*(this.to.x + this.via.x)); + var midpointY = 0.5*(0.5*(this.from.y + this.via.y) + 0.5*(this.to.y + this.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.length / 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); + } +}; + +/** + * 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.min(this.width * 2, this.widthMax)*this.graphScaleInv; + } + else { + return this.width*this.graphScaleInv; + } +}; + +/** + * 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.smooth == true) { + ctx.quadraticCurveTo(this.via.x,this.via.y,this.to.x, this.to.y); + } + else { + ctx.lineTo(this.to.x, this.to.y); + } + ctx.stroke(); +}; + +/** + * Draw a line from a node to itself, a circle + * @param {CanvasRenderingContext2D} ctx + * @param {Number} x + * @param {Number} y + * @param {Number} radius + * @private + */ +Edge.prototype._circle = function (ctx, x, y, radius) { + // draw a circle + ctx.beginPath(); + ctx.arc(x, y, radius, 0, 2 * Math.PI, false); + ctx.stroke(); +}; + +/** + * Draw label with white background and with the middle at (x, y) + * @param {CanvasRenderingContext2D} ctx + * @param {String} text + * @param {Number} x + * @param {Number} y + * @private + */ +Edge.prototype._label = function (ctx, text, x, y) { + if (text) { + // TODO: cache the calculated size + ctx.font = ((this.from.selected || this.to.selected) ? "bold " : "") + + this.fontSize + "px " + this.fontFace; + ctx.fillStyle = this.fontFill; + var width = ctx.measureText(text).width; + var height = this.fontSize; + var left = x - width / 2; + var top = y - height / 2; + + ctx.fillRect(left, top, width, height); + + // draw text + ctx.fillStyle = this.fontColor || "black"; + ctx.textAlign = "left"; + ctx.textBaseline = "top"; + ctx.fillText(text, left, top); + } +}; + +/** + * 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 + if (this.selected == true) {ctx.strokeStyle = this.color.highlight;} + else {ctx.strokeStyle = this.color.color;} + + ctx.lineWidth = this._getLineWidth(); + + // only firefox and chrome support this method, else we use the legacy one. + if (ctx.mozDash !== undefined || ctx.setLineDash !== undefined) { + ctx.beginPath(); + ctx.moveTo(this.from.x, this.from.y); + + // configure the dash pattern + var pattern = [0]; + if (this.dash.length !== undefined && this.dash.gap !== undefined) { + pattern = [this.dash.length,this.dash.gap]; + } + else { + pattern = [5,5]; + } + + // set dash settings for chrome or firefox + if (typeof ctx.setLineDash !== 'undefined') { //Chrome + ctx.setLineDash(pattern); + ctx.lineDashOffset = 0; + + } else { //Firefox + ctx.mozDash = pattern; + ctx.mozDashOffset = 0; + } + + // draw the line + if (this.smooth == true) { + ctx.quadraticCurveTo(this.via.x,this.via.y,this.to.x, this.to.y); + } + else { + ctx.lineTo(this.to.x, this.to.y); + } + ctx.stroke(); + + // restore the dash settings. + if (typeof ctx.setLineDash !== 'undefined') { //Chrome + ctx.setLineDash([0]); + ctx.lineDashOffset = 0; + + } else { //Firefox + ctx.mozDash = [0]; + ctx.mozDashOffset = 0; + } + } + else { // unsupporting smooth lines + // draw dashed line + ctx.beginPath(); + ctx.lineCap = 'round'; + if (this.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.dash.length,this.dash.gap,this.dash.altLength,this.dash.gap]); + } + else if (this.dash.length !== undefined && this.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.dash.length,this.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(); + } + + // draw label + if (this.label) { + var point; + if (this.smooth == true) { + var midpointX = 0.5*(0.5*(this.from.x + this.via.x) + 0.5*(this.to.x + this.via.x)); + var midpointY = 0.5*(0.5*(this.from.y + this.via.y) + 0.5*(this.to.y + this.via.y)); + point = {x:midpointX, y:midpointY}; + } + else { + point = this._pointOnLine(0.5); + } + this._label(ctx, this.label, point.x, point.y); + } +}; + +/** + * Get a point on a line + * @param {Number} percentage. Value between 0 (line start) and 1 (line end) + * @return {Object} point + * @private + */ +Edge.prototype._pointOnLine = function (percentage) { + return { + x: (1 - percentage) * this.from.x + percentage * this.to.x, + y: (1 - percentage) * this.from.y + percentage * this.to.y + } +}; + +/** + * 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) + } +}; + +/** + * 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 + if (this.selected == true) {ctx.strokeStyle = this.color.highlight; ctx.fillStyle = this.color.highlight;} + else {ctx.strokeStyle = this.color.color; ctx.fillStyle = this.color.color;} + ctx.lineWidth = this._getLineWidth(); + + if (this.from != this.to) { + // draw line + this._line(ctx); + + var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); + var length = 10 + 5 * this.width; // TODO: make customizable? + // draw an arrow halfway the line + if (this.smooth == true) { + var midpointX = 0.5*(0.5*(this.from.x + this.via.x) + 0.5*(this.to.x + this.via.x)); + var midpointY = 0.5*(0.5*(this.from.y + this.via.y) + 0.5*(this.to.y + this.via.y)); + point = {x:midpointX, y:midpointY}; + } + else { + point = this._pointOnLine(0.5); + } + + ctx.arrow(point.x, point.y, angle, length); + ctx.fill(); + ctx.stroke(); + + // draw label + if (this.label) { + this._label(ctx, this.label, point.x, point.y); + } + } + else { + // draw circle + var x, y; + var radius = 0.25 * Math.max(100,this.length); + var node = this.from; + if (!node.width) { + node.resize(ctx); + } + if (node.width > node.height) { + x = node.x + node.width * 0.5; + y = node.y - radius; + } + else { + x = node.x + radius; + y = node.y - node.height * 0.5; + } + this._circle(ctx, x, y, radius); + + // draw all arrows + var angle = 0.2 * Math.PI; + var length = 10 + 5 * this.width; // TODO: make customizable? + point = this._pointOnCircle(x, y, radius, 0.5); + ctx.arrow(point.x, point.y, angle, length); + ctx.fill(); + ctx.stroke(); + + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + } +}; + + + +/** + * 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 + if (this.selected == true) {ctx.strokeStyle = this.color.highlight; ctx.fillStyle = this.color.highlight;} + else {ctx.strokeStyle = this.color.color; ctx.fillStyle = this.color.color;} + + 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; + + + if (this.smooth == true) { + angle = Math.atan2((this.to.y - this.via.y), (this.to.x - this.via.x)); + dx = (this.to.x - this.via.x); + dy = (this.to.y - this.via.y); + edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); + } + var toBorderDist = this.to.distanceToBorder(ctx, angle); + var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength; + + var xTo,yTo; + if (this.smooth == true) { + xTo = (1 - toBorderPoint) * this.via.x + toBorderPoint * this.to.x; + yTo = (1 - toBorderPoint) * this.via.y + toBorderPoint * this.to.y; + } + else { + xTo = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x; + yTo = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y; + } + + ctx.beginPath(); + ctx.moveTo(xFrom,yFrom); + if (this.smooth == true) { + ctx.quadraticCurveTo(this.via.x,this.via.y,xTo, yTo); + } + else { + ctx.lineTo(xTo, yTo); + } + ctx.stroke(); + + // draw arrow at the end of the line + length = 10 + 5 * this.width; + ctx.arrow(xTo, yTo, angle, length); + ctx.fill(); + ctx.stroke(); + + // draw label + if (this.label) { + var point; + if (this.smooth == true) { + var midpointX = 0.5*(0.5*(this.from.x + this.via.x) + 0.5*(this.to.x + this.via.x)); + var midpointY = 0.5*(0.5*(this.from.y + this.via.y) + 0.5*(this.to.y + this.via.y)); + point = {x:midpointX, y:midpointY}; + } + else { + point = this._pointOnLine(0.5); + } + this._label(ctx, this.label, point.x, point.y); + } + } + else { + // draw circle + var node = this.from; + var x, y, arrow; + var radius = 0.25 * Math.max(100,this.length); + 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 + length = 10 + 5 * this.width; // TODO: make customizable? + ctx.arrow(arrow.x, arrow.y, arrow.angle, length); + ctx.fill(); + ctx.stroke(); + + // draw label + if (this.label) { + point = this._pointOnCircle(x, y, radius, 0.5); + this._label(ctx, this.label, point.x, point.y); + } + } +}; + + + +/** + * Calculate the distance between a point (x3,y3) and a line segment from + * (x1,y1) to (x2,y2). + * http://stackoverflow.com/questions/849211/shortest-distancae-between-a-point-and-a-line-segment + * @param {number} x1 + * @param {number} y1 + * @param {number} x2 + * @param {number} y2 + * @param {number} x3 + * @param {number} y3 + * @private + */ +Edge.prototype._getDistanceToEdge = function (x1,y1, x2,y2, x3,y3) { // x3,y3 is the point + if (this.smooth == true) { + var minDistance = 1e9; + var i,t,x,y,dx,dy; + for (i = 0; i < 10; i++) { + t = 0.1*i; + x = Math.pow(1-t,2)*x1 + (2*t*(1 - t))*this.via.x + Math.pow(t,2)*x2; + y = Math.pow(1-t,2)*y1 + (2*t*(1 - t))*this.via.y + Math.pow(t,2)*y2; + dx = Math.abs(x3-x); + dy = Math.abs(y3-y); + minDistance = Math.min(minDistance,Math.sqrt(dx*dx + dy*dy)); + } + return minDistance + } + else { + var px = x2-x1, + py = y2-y1, + something = px*px + py*py, + u = ((x3 - x1) * px + (y3 - y1) * py) / something; + + if (u > 1) { + u = 1; + } + else if (u < 0) { + u = 0; + } + + var x = x1 + u * px, + y = y1 + u * py, + dx = x - x3, + dy = y - y3; + + //# Note: If the actual distance does not matter, + //# if you only want to compare what this function + //# returns to other results of this function, you + //# can just return the squared distance instead + //# (i.e. remove the sqrt) to gain a little performance + + return Math.sqrt(dx*dx + dy*dy); + } +}; + + + +/** + * This allows the zoom level of the graph to influence the rendering + * + * @param scale + */ +Edge.prototype.setScale = function(scale) { + this.graphScaleInv = 1.0/scale; +}; + + +Edge.prototype.select = function() { + this.selected = true; +}; + +Edge.prototype.unselect = function() { + this.selected = false; +}; + +Edge.prototype.positionBezierNode = function() { + if (this.via !== null) { + this.via.x = 0.5 * (this.from.x + this.to.x); + this.via.y = 0.5 * (this.from.y + this.to.y); + } +}; +/** + * Popup is a class to create a popup window with some text + * @param {Element} container The container object. + * @param {Number} [x] + * @param {Number} [y] + * @param {String} [text] + * @param {Object} [style] An object containing borderColor, + * backgroundColor, etc. + */ +function Popup(container, x, y, text, style) { + if (container) { + this.container = container; + } + else { + this.container = document.body; + } + + // x, y and text are optional, see if a style object was passed in their place + if (style === undefined) { + if (typeof x === "object") { + style = x; + x = undefined; + } else if (typeof text === "object") { + style = text; + text = undefined; + } else { + // for backwards compatibility, in case clients other than Graph are creating Popup directly + style = { + fontColor: 'black', + fontSize: 14, // px + fontFace: 'verdana', + color: { + border: '#666', + background: '#FFFFC6' + } + } + } + } + + this.x = 0; + this.y = 0; + this.padding = 5; + + if (x !== undefined && y !== undefined ) { + this.setPosition(x, y); + } + if (text !== undefined) { + this.setText(text); + } + + // create the frame + this.frame = document.createElement("div"); + var styleAttr = this.frame.style; + styleAttr.position = "absolute"; + styleAttr.visibility = "hidden"; + styleAttr.border = "1px solid " + style.color.border; + styleAttr.color = style.fontColor; + styleAttr.fontSize = style.fontSize + "px"; + styleAttr.fontFamily = style.fontFace; + styleAttr.padding = this.padding + "px"; + styleAttr.backgroundColor = style.color.background; + styleAttr.borderRadius = "3px"; + styleAttr.MozBorderRadius = "3px"; + styleAttr.WebkitBorderRadius = "3px"; + styleAttr.boxShadow = "3px 3px 10px rgba(128, 128, 128, 0.5)"; + styleAttr.whiteSpace = "nowrap"; + this.container.appendChild(this.frame); +} + +/** + * @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); +}; + +/** + * Set the text for the popup window. This can be HTML code + * @param {string} text + */ +Popup.prototype.setText = function(text) { + this.frame.innerHTML = text; +}; + +/** + * Show the popup window + * @param {boolean} show Optional. Show or hide the window + */ +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(); + } +}; + +/** + * Hide the popup window + */ +Popup.prototype.hide = function () { + this.frame.style.visibility = "hidden"; +}; + +/** + * @class Groups + * This class can store groups and properties specific for groups. + */ +Groups = function () { + this.clear(); + this.defaultIndex = 0; +}; + + +/** + * default constants for group colors + */ +Groups.DEFAULT = [ + {border: "#2B7CE9", background: "#97C2FC", highlight: {border: "#2B7CE9", background: "#D2E5FF"}}, // blue + {border: "#FFA500", background: "#FFFF00", highlight: {border: "#FFA500", background: "#FFFFA3"}}, // yellow + {border: "#FA0A10", background: "#FB7E81", highlight: {border: "#FA0A10", background: "#FFAFB1"}}, // red + {border: "#41A906", background: "#7BE141", highlight: {border: "#41A906", background: "#A1EC76"}}, // green + {border: "#E129F0", background: "#EB7DF4", highlight: {border: "#E129F0", background: "#F0B3F5"}}, // magenta + {border: "#7C29F0", background: "#AD85E4", highlight: {border: "#7C29F0", background: "#D3BDF0"}}, // purple + {border: "#C37F00", background: "#FFA807", highlight: {border: "#C37F00", background: "#FFCA66"}}, // orange + {border: "#4220FB", background: "#6E6EFD", highlight: {border: "#4220FB", background: "#9B9BFD"}}, // darkblue + {border: "#FD5A77", background: "#FFC0CB", highlight: {border: "#FD5A77", background: "#FFD1D9"}}, // pink + {border: "#4AD63A", background: "#C2FABC", highlight: {border: "#4AD63A", background: "#E6FFE3"}} // mint +]; + + +/** + * 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; + } +}; + + +/** + * get group properties of a groupname. If groupname is not found, a new group + * is added. + * @param {*} groupname Can be a number, string, Date, etc. + * @return {Object} group The created group, containing all group properties + */ +Groups.prototype.get = function (groupname) { + var group = this.groups[groupname]; + + if (group == undefined) { + // create new group + var index = this.defaultIndex % Groups.DEFAULT.length; + this.defaultIndex++; + group = {}; + group.color = Groups.DEFAULT[index]; + this.groups[groupname] = group; + } + + return 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); + } + return style; +}; + +/** + * @class Images + * This class loads images and keeps them stored. + */ +Images = function () { + this.images = {}; + + this.callback = undefined; +}; + +/** + * Set an onload callback function. This will be called each time an image + * is loaded + * @param {function} callback + */ +Images.prototype.setOnloadCallback = function(callback) { + this.callback = callback; +}; + +/** + * + * @param {string} url Url of the image + * @return {Image} img The image object + */ +Images.prototype.load = function(url) { + 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.src = url; + } + + return img; +}; + +/** + * Created by Alex on 2/6/14. + */ + + +var physicsMixin = { + + /** + * Toggling barnes Hut calculation on and off. + * + * @private + */ + _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 + */ + _loadSelectedForceSolver: function () { + // this overloads the this._calculateNodeForces + if (this.constants.physics.barnesHut.enabled == true) { + this._clearMixin(repulsionMixin); + this._clearMixin(hierarchalRepulsionMixin); + + 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(hierarchalRepulsionMixin); + } + else { + this._clearMixin(barnesHutMixin); + this._clearMixin(hierarchalRepulsionMixin); + 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); + } + }, + + /** + * 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 + */ + _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(); + } + }, + + + /** + * Calculate the external forces acting on the nodes + * Forces are caused by: edges, repulsing forces between nodes, gravity + * @private + */ + _calculateForces: function () { + // Gravity is required to keep separated groups from floating off + // the forces are reset to zero in this loop by using _setForce instead + // of _addForce + + this._calculateGravitationalForces(); + this._calculateNodeForces(); + + if (this.constants.smoothCurves == true) { + this._calculateSpringForcesWithSupport(); + } + else { + this._calculateSpringForces(); + } + }, + + + /** + * 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 + */ + _updateCalculationNodes: function () { + if (this.constants.smoothCurves == true) { + this.calculationNodes = {}; + this.calculationNodeIndices = []; + + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.calculationNodes[nodeId] = this.nodes[nodeId]; + } + } + var supportNodes = this.sectors['support']['nodes']; + for (var supportNodeId in supportNodes) { + if (supportNodes.hasOwnProperty(supportNodeId)) { + if (this.edges.hasOwnProperty(supportNodes[supportNodeId].parentEdgeId)) { + this.calculationNodes[supportNodeId] = supportNodes[supportNodeId]; + } + else { + supportNodes[supportNodeId]._setForce(0, 0); + } + } + } + + for (var idx in this.calculationNodes) { + if (this.calculationNodes.hasOwnProperty(idx)) { + this.calculationNodeIndices.push(idx); + } + } + } + else { + this.calculationNodes = this.nodes; + this.calculationNodeIndices = this.nodeIndices; + } + }, + + + /** + * this function applies the central gravity effect to keep groups from floating off + * + * @private + */ + _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 calculates the effects of the springs in the case of unsmooth curves. + * + * @private + */ + _calculateSpringForces: function () { + var edgeLength, edge, edgeId; + var dx, dy, fx, fy, springForce, length; + 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.customLength ? edge.length : this.constants.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); + length = Math.sqrt(dx * dx + dy * dy); + + if (length == 0) { + length = 0.01; + } + + springForce = this.constants.physics.springConstant * (edgeLength - length) / length; + + fx = dx * springForce; + fy = dy * springForce; + + edge.from.fx += fx; + edge.from.fy += fy; + edge.to.fx -= fx; + edge.to.fy -= fy; + } + } + } + } + }, + + + /** + * This function calculates the springforces on the nodes, accounting for the support nodes. + * + * @private + */ + _calculateSpringForcesWithSupport: function () { + var edgeLength, edge, edgeId, combinedClusterSize; + var edges = this.edges; + + // forces caused by the edges, modelled as springs + for (edgeId in edges) { + if (edges.hasOwnProperty(edgeId)) { + edge = edges[edgeId]; + if (edge.connected) { + // only calculate forces if nodes are in the same sector + if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { + if (edge.via != null) { + var node1 = edge.to; + var node2 = edge.via; + var node3 = edge.from; + + edgeLength = edge.customLength ? edge.length : this.constants.physics.springLength; + + combinedClusterSize = node1.clusterSize + node3.clusterSize - 2; + + // this implies that the edges between big clusters are longer + edgeLength += combinedClusterSize * this.constants.clustering.edgeGrowth; + this._calculateSpringForce(node1, node2, 0.5 * edgeLength); + this._calculateSpringForce(node2, node3, 0.5 * edgeLength); + } + } + } + } + } + }, + + + /** + * This 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 + */ + _calculateSpringForce: function (node1, node2, edgeLength) { + var dx, dy, fx, fy, springForce, length; + + dx = (node1.x - node2.x); + dy = (node1.y - node2.y); + length = Math.sqrt(dx * dx + dy * dy); + + if (length == 0) { + length = 0.01; + } + + springForce = this.constants.physics.springConstant * (edgeLength - length) / length; + + fx = dx * springForce; + fy = dy * springForce; + + node1.fx += fx; + node1.fy += fy; + node2.fx -= fx; + node2.fy -= fy; + }, + + + /** + * Load the HTML for the physics config and bind it + * @private + */ + _loadPhysicsConfiguration: function () { + if (this.physicsConfiguration === undefined) { + this.backupConstants = {}; + util.copyObject(this.constants, this.backupConstants); + + var hierarchicalLayoutDirections = ["LR", "RL", "UD", "DU"]; + this.physicsConfiguration = document.createElement('div'); + this.physicsConfiguration.className = "PhysicsConfiguration"; + this.physicsConfiguration.innerHTML = '' + + '' + + '' + + '' + + '' + + '' + + '' + + '
Simulation Mode:
Barnes HutRepulsionHierarchical
' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '' + + '
Options:
' + this.containerElement.parentElement.insertBefore(this.physicsConfiguration, this.containerElement); + this.optionsDiv = document.createElement("div"); + this.optionsDiv.style.fontSize = "14px"; + this.optionsDiv.style.fontFamily = "verdana"; + this.containerElement.parentElement.insertBefore(this.optionsDiv, this.containerElement); + + var rangeElement; + rangeElement = document.getElementById('graph_BH_gc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_gc', -1, "physics_barnesHut_gravitationalConstant"); + rangeElement = document.getElementById('graph_BH_cg'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_cg', 1, "physics_centralGravity"); + rangeElement = document.getElementById('graph_BH_sc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sc', 1, "physics_springConstant"); + rangeElement = document.getElementById('graph_BH_sl'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sl', 1, "physics_springLength"); + rangeElement = document.getElementById('graph_BH_damp'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_damp', 1, "physics_damping"); + + rangeElement = document.getElementById('graph_R_nd'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_nd', 1, "physics_repulsion_nodeDistance"); + rangeElement = document.getElementById('graph_R_cg'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_cg', 1, "physics_centralGravity"); + rangeElement = document.getElementById('graph_R_sc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sc', 1, "physics_springConstant"); + rangeElement = document.getElementById('graph_R_sl'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sl', 1, "physics_springLength"); + rangeElement = document.getElementById('graph_R_damp'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_damp', 1, "physics_damping"); + + rangeElement = document.getElementById('graph_H_nd'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); + rangeElement = document.getElementById('graph_H_cg'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_cg', 1, "physics_centralGravity"); + rangeElement = document.getElementById('graph_H_sc'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sc', 1, "physics_springConstant"); + rangeElement = document.getElementById('graph_H_sl'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sl', 1, "physics_springLength"); + rangeElement = document.getElementById('graph_H_damp'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_damp', 1, "physics_damping"); + rangeElement = document.getElementById('graph_H_direction'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_direction', hierarchicalLayoutDirections, "hierarchicalLayout_direction"); + rangeElement = document.getElementById('graph_H_levsep'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_levsep', 1, "hierarchicalLayout_levelSeparation"); + rangeElement = document.getElementById('graph_H_nspac'); + rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nspac', 1, "hierarchicalLayout_nodeSpacing"); + + var radioButton1 = document.getElementById("graph_physicsMethod1"); + var radioButton2 = document.getElementById("graph_physicsMethod2"); + var radioButton3 = document.getElementById("graph_physicsMethod3"); + radioButton2.checked = true; + if (this.constants.physics.barnesHut.enabled) { + radioButton1.checked = true; + } + if (this.constants.hierarchicalLayout.enabled) { + radioButton3.checked = true; + } + + var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); + var graph_repositionNodes = document.getElementById("graph_repositionNodes"); + var graph_generateOptions = document.getElementById("graph_generateOptions"); + + graph_toggleSmooth.onclick = graphToggleSmoothCurves.bind(this); + graph_repositionNodes.onclick = graphRepositionNodes.bind(this); + graph_generateOptions.onclick = graphGenerateOptions.bind(this); + if (this.constants.smoothCurves == true) { + graph_toggleSmooth.style.background = "#A4FF56"; + } + else { + graph_toggleSmooth.style.background = "#FF8532"; + } + + + switchConfigurations.apply(this); + + radioButton1.onchange = switchConfigurations.bind(this); + radioButton2.onchange = switchConfigurations.bind(this); + radioButton3.onchange = switchConfigurations.bind(this); + } + }, + + _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; + } + } +}; + +function graphToggleSmoothCurves () { + this.constants.smoothCurves = !this.constants.smoothCurves; + var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); + if (this.constants.smoothCurves == true) {graph_toggleSmooth.style.background = "#A4FF56";} + else {graph_toggleSmooth.style.background = "#FF8532";} + + this._configureSmoothCurves(false); +}; + +function graphRepositionNodes () { + for (var nodeId in this.calculationNodes) { + if (this.calculationNodes.hasOwnProperty(nodeId)) { + this.calculationNodes[nodeId].vx = 0; this.calculationNodes[nodeId].vy = 0; + this.calculationNodes[nodeId].fx = 0; this.calculationNodes[nodeId].fy = 0; + } + } + if (this.constants.hierarchicalLayout.enabled == true) { + this._setupHierarchicalLayout(); + } + else { + this.repositionNodes(); + } + this.moving = true; + this.start(); +}; + +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 != this.backupConstants.smoothCurves) { + if (optionsSpecific.length == 0) {options = "var options = {";} + else {options += ", "} + options += "smoothCurves: " + this.constants.smoothCurves; + } + if (options != "No options are required, default values used.") { + options += '};' + } + } + else if (radioButton2.checked == true) { + options = "var options = {"; + options += "physics: {barnesHut: {enabled: false}"; + if (this.constants.physics.repulsion.nodeDistance != this.backupConstants.physics.repulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.repulsion.nodeDistance);} + if (this.constants.physics.centralGravity != this.backupConstants.physics.repulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} + if (this.constants.physics.springLength != this.backupConstants.physics.repulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} + if (this.constants.physics.springConstant != this.backupConstants.physics.repulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} + if (this.constants.physics.damping != this.backupConstants.physics.repulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} + if (optionsSpecific.length != 0) { + options += ", repulsion: {"; + for (var i = 0; i < optionsSpecific.length; i++) { + options += optionsSpecific[i]; + if (i < optionsSpecific.length - 1) { + options += ", " + } + } + options += '}}' + } + if (optionsSpecific.length == 0) {options += "}"} + if (this.constants.smoothCurves != this.backupConstants.smoothCurves) { + options += ", smoothCurves: " + this.constants.smoothCurves; + } + options += '};' + } + else { + options = "var options = {"; + if (this.constants.physics.hierarchicalRepulsion.nodeDistance != this.backupConstants.physics.hierarchicalRepulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.hierarchicalRepulsion.nodeDistance);} + if (this.constants.physics.centralGravity != this.backupConstants.physics.hierarchicalRepulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} + if (this.constants.physics.springLength != this.backupConstants.physics.hierarchicalRepulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} + if (this.constants.physics.springConstant != this.backupConstants.physics.hierarchicalRepulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} + if (this.constants.physics.damping != this.backupConstants.physics.hierarchicalRepulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);} + if (optionsSpecific.length != 0) { + options += "physics: {hierarchicalRepulsion: {"; + for (var i = 0; i < optionsSpecific.length; i++) { + options += optionsSpecific[i]; + if (i < optionsSpecific.length - 1) { + options += ", "; + } + } + options += '}},'; + } + options += 'hierarchicalLayout: {'; + optionsSpecific = []; + if (this.constants.hierarchicalLayout.direction != this.backupConstants.hierarchicalLayout.direction) {optionsSpecific.push("direction: " + this.constants.hierarchicalLayout.direction);} + if (Math.abs(this.constants.hierarchicalLayout.levelSeparation) != this.backupConstants.hierarchicalLayout.levelSeparation) {optionsSpecific.push("levelSeparation: " + this.constants.hierarchicalLayout.levelSeparation);} + if (this.constants.hierarchicalLayout.nodeSpacing != this.backupConstants.hierarchicalLayout.nodeSpacing) {optionsSpecific.push("nodeSpacing: " + this.constants.hierarchicalLayout.nodeSpacing);} + if (optionsSpecific.length != 0) { + for (var i = 0; i < optionsSpecific.length; i++) { + options += optionsSpecific[i]; + if (i < optionsSpecific.length - 1) { + options += ", " + } + } + options += '}' + } + else { + options += "enabled:true}"; + } + options += '};' + } + + + this.optionsDiv.innerHTML = options; + +}; + + +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") { + this.constants.hierarchicalLayout.enabled = true; + this.constants.physics.hierarchicalRepulsion.enabled = true; + this.constants.physics.barnesHut.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 == true) {graph_toggleSmooth.style.background = "#A4FF56";} + else {graph_toggleSmooth.style.background = "#FF8532";} + this.moving = true; + this.start(); + +} + +function showValueOfRange (id,map,constantsVariableName) { + var valueId = id + "_value"; + var rangeValue = document.getElementById(id).value; + + if (map instanceof Array) { + document.getElementById(valueId).value = map[parseInt(rangeValue)]; + this._overWriteGraphConstants(constantsVariableName,map[parseInt(rangeValue)]); + } + else { + document.getElementById(valueId).value = parseInt(map) * parseFloat(rangeValue); + this._overWriteGraphConstants(constantsVariableName, parseInt(map) * parseFloat(rangeValue)); + } + + if (constantsVariableName == "hierarchicalLayout_direction" || + constantsVariableName == "hierarchicalLayout_levelSeparation" || + constantsVariableName == "hierarchicalLayout_nodeSpacing") { + this._setupHierarchicalLayout(); + } + this.moving = true; + this.start(); +}; + + + +/** + * Created by Alex on 2/10/14. + */ + +var hierarchalRepulsionMixin = { + + + /** + * Calculate the forces the nodes apply on eachother based on a repulsion field. + * This field is linearly approximated. + * + * @private + */ + _calculateNodeForces: function () { + var dx, dy, distance, fx, fy, combinedClusterSize, + repulsingForce, node1, node2, i, j; + + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; + + // approximation constants + var b = 5; + var a_base = 0.5 * -b; + + + // repulsing forces between nodes + var nodeDistance = this.constants.physics.hierarchicalRepulsion.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]]; + + dx = node2.x - node1.x; + dy = node2.y - node1.y; + distance = Math.sqrt(dx * dx + dy * dy); + + var a = a_base / minimumDistance; + if (distance < 2 * minimumDistance) { + repulsingForce = a * distance + b; // linear approx of 1 / (1 + Math.exp((distance / minimumDistance - 1) * steepness)) + + // 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; + } + } + } + } +}; +/** + * Created by Alex on 2/10/14. + */ + +var barnesHutMixin = { + + /** + * 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 + */ + _calculateNodeForces : function() { + if (this.constants.physics.barnesHut.gravitationalConstant != 0) { + var node; + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; + var nodeCount = nodeIndices.length; + + this._formBarnesHutTree(nodes,nodeIndices); + + var barnesHutTree = this.barnesHutTree; + + // place the nodes one by one recursively + for (var i = 0; i < nodeCount; i++) { + node = nodes[nodeIndices[i]]; + // 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 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 + */ + _getForceContribution : function(parentBranch,node) { + // we get no force contribution from an empty region + if (parentBranch.childrenCount > 0) { + var dx,dy,distance; + + // get the distance from the center of mass to the node. + dx = parentBranch.centerOfMass.x - node.x; + dy = parentBranch.centerOfMass.y - node.y; + distance = Math.sqrt(dx * dx + dy * dy); + + // BarnesHut condition + // original condition : s/d < 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.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.mass / (distance * distance * distance); + var fx = dx * gravityForce; + var fy = dy * gravityForce; + node.fx += fx; + node.fy += fy; + } + } + } + } + }, + + /** + * This function constructs the barnesHut tree recursively. It creates the root, splits it and starts placing the nodes. + * + * @param nodes + * @param nodeIndices + * @private + */ + _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 (x < minX) { minX = x; } + if (x > maxX) { maxX = x; } + if (y < minY) { minY = y; } + if (y > maxY) { maxY = y; } + } + // make the range a square + var sizeDiff = Math.abs(maxX - minX) - Math.abs(maxY - minY); // difference between X and Y + if (sizeDiff > 0) {minY -= 0.5 * sizeDiff; maxY += 0.5 * sizeDiff;} // xSize > ySize + else {minX += 0.5 * sizeDiff; maxX -= 0.5 * sizeDiff;} // xSize < ySize + + + 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}, // Center of Mass + 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]]; + this._placeInTree(barnesHutTree.root,node); + } + + // make global + this.barnesHutTree = barnesHutTree + }, + + + _updateBranchMass : function(parentBranch, node) { + var totalMass = parentBranch.mass + node.mass; + var totalMassInv = 1/totalMass; + + parentBranch.centerOfMass.x = parentBranch.centerOfMass.x * parentBranch.mass + node.x * node.mass; + parentBranch.centerOfMass.x *= totalMassInv; + + parentBranch.centerOfMass.y = parentBranch.centerOfMass.y * parentBranch.mass + node.y * node.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; + + }, + + + _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"); + } + } + }, + + + _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 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 parentBranch + * @private + */ + _splitBranch : function(parentBranch) { + // if the branch is filled with a node, replace the node in the new subset. + var containedNode = null; + if (parentBranch.childrenCount == 1) { + containedNode = parentBranch.children.data; + parentBranch.mass = 0; parentBranch.centerOfMass.x = 0; parentBranch.centerOfMass.y = 0; + } + parentBranch.childrenCount = 4; + parentBranch.children.data = null; + this._insertRegion(parentBranch,"NW"); + this._insertRegion(parentBranch,"NE"); + this._insertRegion(parentBranch,"SW"); + this._insertRegion(parentBranch,"SE"); + + if (containedNode != null) { + this._placeInTree(parentBranch,containedNode); + } + }, + + + /** + * This function subdivides the region into four new segments. + * Specifically, this inserts a single new segment. + * It fills the children section of the parentBranch + * + * @param parentBranch + * @param region + * @param parentRange + * @private + */ + _insertRegion : function(parentBranch, region) { + var minX,maxX,minY,maxY; + var childSize = 0.5 * parentBranch.size; + switch (region) { + case "NW": + minX = parentBranch.range.minX; + maxX = parentBranch.range.minX + childSize; + minY = parentBranch.range.minY; + maxY = parentBranch.range.minY + childSize; + break; + case "NE": + minX = parentBranch.range.minX + childSize; + maxX = parentBranch.range.maxX; + minY = parentBranch.range.minY; + maxY = parentBranch.range.minY + childSize; + break; + case "SW": + minX = parentBranch.range.minX; + maxX = parentBranch.range.minX + childSize; + minY = parentBranch.range.minY + childSize; + maxY = parentBranch.range.maxY; + break; + case "SE": + minX = parentBranch.range.minX + childSize; + maxX = parentBranch.range.maxX; + minY = parentBranch.range.minY + childSize; + maxY = parentBranch.range.maxY; + break; + } + + + parentBranch.children[region] = { + centerOfMass:{x:0,y:0}, + mass:0, + range:{minX:minX,maxX:maxX,minY:minY,maxY:maxY}, + size: 0.5 * parentBranch.size, + calcSize: 2 * parentBranch.calcSize, + children: {data:null}, + maxWidth: 0, + level: parentBranch.level+1, + childrenCount: 0 + }; + }, + + + /** + * This function is for debugging purposed, it draws the tree. + * + * @param ctx + * @param color + * @private + */ + _drawTree : function(ctx,color) { + if (this.barnesHutTree !== undefined) { + + ctx.lineWidth = 1; + + this._drawBranch(this.barnesHutTree.root,ctx,color); + } + }, + + + /** + * This function is for debugging purposes. It draws the branches recursively. + * + * @param branch + * @param ctx + * @param color + * @private + */ + _drawBranch : function(branch,ctx,color) { + if (color === undefined) { + color = "#FF0000"; + } + + if (branch.childrenCount == 4) { + this._drawBranch(branch.children.NW,ctx); + this._drawBranch(branch.children.NE,ctx); + this._drawBranch(branch.children.SE,ctx); + this._drawBranch(branch.children.SW,ctx); + } + ctx.strokeStyle = color; + ctx.beginPath(); + ctx.moveTo(branch.range.minX,branch.range.minY); + ctx.lineTo(branch.range.maxX,branch.range.minY); + ctx.stroke(); + + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.minY); + ctx.lineTo(branch.range.maxX,branch.range.maxY); + ctx.stroke(); + + ctx.beginPath(); + ctx.moveTo(branch.range.maxX,branch.range.maxY); + ctx.lineTo(branch.range.minX,branch.range.maxY); + ctx.stroke(); + + ctx.beginPath(); + ctx.moveTo(branch.range.minX,branch.range.maxY); + ctx.lineTo(branch.range.minX,branch.range.minY); + ctx.stroke(); + + /* + if (branch.mass > 0) { + ctx.circle(branch.centerOfMass.x, branch.centerOfMass.y, 3*branch.mass); + ctx.stroke(); + } + */ + } + +}; +/** + * Created by Alex on 2/10/14. + */ + +var repulsionMixin = { + + + /** + * Calculate the forces the nodes apply on eachother based on a repulsion field. + * This field is linearly approximated. + * + * @private + */ + _calculateNodeForces: function () { + var dx, dy, angle, distance, fx, fy, combinedClusterSize, + repulsingForce, node1, node2, i, j; + + var nodes = this.calculationNodes; + var nodeIndices = this.calculationNodeIndices; + + // approximation constants + var a_base = -2 / 3; + var b = 4 / 3; + + // repulsing forces between nodes + var nodeDistance = this.constants.physics.repulsion.nodeDistance; + var minimumDistance = nodeDistance; + + // we loop from i over all but the last entree in the array + // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j + for (i = 0; i < nodeIndices.length - 1; i++) { + node1 = nodes[nodeIndices[i]]; + for (j = i + 1; j < nodeIndices.length; j++) { + node2 = nodes[nodeIndices[j]]; + combinedClusterSize = node1.clusterSize + node2.clusterSize - 2; + + dx = node2.x - node1.x; + dy = node2.y - node1.y; + distance = Math.sqrt(dx * dx + dy * dy); + + minimumDistance = (combinedClusterSize == 0) ? nodeDistance : (nodeDistance * (1 + combinedClusterSize * this.constants.clustering.distanceAmplification)); + var a = a_base / minimumDistance; + if (distance < 2 * minimumDistance) { + if (distance < 0.5 * minimumDistance) { + repulsingForce = 1.0; + } + else { + repulsingForce = a * distance + b; // linear approx of 1 / (1 + Math.exp((distance / minimumDistance - 1) * steepness)) + } + + // amplify the repulsion for clusters. + repulsingForce *= (combinedClusterSize == 0) ? 1 : 1 + combinedClusterSize * this.constants.clustering.forceAmplification; + repulsingForce = repulsingForce / distance; + + fx = dx * repulsingForce; + fy = dy * repulsingForce; + + node1.fx -= fx; + node1.fy -= fy; + node2.fx += fx; + node2.fy += fy; + } + } + } + } +}; +var HierarchicalLayoutMixin = { + + + + _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; + } + } + } + }, + + /** + * This is the main function to layout the nodes in a hierarchical way. + * It checks if the node details are supplied correctly + * + * @private + */ + _setupHierarchicalLayout : function() { + if (this.constants.hierarchicalLayout.enabled == true) { + 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); + } + // get the size of the largest hubs and check if the user has defined a level for a node. + var hubsize = 0; + var node, nodeId; + var definedLevel = false; + var undefinedLevel = false; + + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.level != -1) { + definedLevel = true; + } + else { + undefinedLevel = true; + } + if (hubsize < node.edges.length) { + hubsize = node.edges.length; + } + } + } + + // if the user defined some levels but not all, alert and run without hierarchical layout + if (undefinedLevel == true && definedLevel == true) { + alert("To use the hierarchical layout, nodes require either no predefined levels or levels have to be defined for all nodes."); + this.zoomExtent(true,this.constants.clustering.enabled); + if (!this.constants.clustering.enabled) { + this.start(); + } + } + else { + // setup the system to use hierarchical method. + this._changeConstants(); + + // define levels if undefined by the users. Based on hubsize + if (undefinedLevel == true) { + this._determineLevels(hubsize); + } + // check the distribution of the nodes per level. + var distribution = this._getDistribution(); + + // place the nodes on the canvas. This also stablilizes the system. + this._placeNodesByHierarchy(distribution); + + // start the simulation. + this.start(); + } + } + }, + + + /** + * This function places the nodes on the canvas based on the hierarchial distribution. + * + * @param {Object} distribution | obtained by the function this._getDistribution() + * @private + */ + _placeNodesByHierarchy : function(distribution) { + var nodeId, node; + + // start placing all the level 0 nodes first. Then recursively position their branches. + for (nodeId in distribution[0].nodes) { + if (distribution[0].nodes.hasOwnProperty(nodeId)) { + node = distribution[0].nodes[nodeId]; + if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { + if (node.xFixed) { + node.x = distribution[0].minPos; + node.xFixed = false; + + distribution[0].minPos += distribution[0].nodeSpacing; + } + } + else { + if (node.yFixed) { + node.y = distribution[0].minPos; + node.yFixed = false; + + distribution[0].minPos += distribution[0].nodeSpacing; + } + } + this._placeBranchNodes(node.edges,node.id,distribution,node.level); + } + } + + // stabilize the system after positioning. This function calls zoomExtent. + this._stabilize(); + }, + + + /** + * This function get the distribution of levels based on hubsize + * + * @returns {Object} + * @private + */ + _getDistribution : function() { + var distribution = {}; + var nodeId, node; + + // 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.hasOwnProperty(node.level)) { + distribution[node.level] = {amount: 0, nodes: {}, minPos:0, nodeSpacing:0}; + } + distribution[node.level].amount += 1; + distribution[node.level].nodes[node.id] = node; + } + } + + // determine the largest amount of nodes of all levels + var maxCount = 0; + for (var 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 (var 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 allocates nodes in levels based on the recursive branching from the largest hubs. + * + * @param hubsize + * @private + */ + _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; + } + } + } + + // 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); + } + } + } + }, + + + /** + * Since hierarchical layout does not support: + * - smooth curves (based on the physics), + * - clustering (based on dynamic node counts) + * + * We disable both features so there will be no problems. + * + * @private + */ + _changeConstants : function() { + this.constants.clustering.enabled = false; + this.constants.physics.barnesHut.enabled = false; + this.constants.physics.hierarchicalRepulsion.enabled = true; + this._loadSelectedForceSolver(); + this.constants.smoothCurves = false; + this._configureSmoothCurves(); + }, + + + /** + * This is a recursively called function to enumerate the branches from the largest hubs and place the nodes + * on a X position that ensures there will be no overlap. + * + * @param edges + * @param parentId + * @param distribution + * @param parentLevel + * @private + */ + _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; + } + + // 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); + } + } + } + }, + + + /** + * 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 + */ + _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 (edges.length > 1) { + this._setLevel(level+1, childNode.edges, childNode.id); + } + } + } + }, + + + /** + * Unfix nodes + * + * @private + */ + _restoreNodes : function() { + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + this.nodes[nodeId].xFixed = false; + this.nodes[nodeId].yFixed = false; + } + } + } + + +}; +/** + * Created by Alex on 2/4/14. + */ + +var manipulationMixin = { + + /** + * clears the toolbar div element of children + * + * @private + */ + _clearManipulatorBar : function() { + while (this.manipulationDiv.hasChildNodes()) { + this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); + } + }, + + /** + * 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 + */ + _restoreOverloadedFunctions : function() { + for (var functionName in this.cachedFunctions) { + if (this.cachedFunctions.hasOwnProperty(functionName)) { + this[functionName] = this.cachedFunctions[functionName]; + } + } + }, + + /** + * Enable or disable edit-mode. + * + * @private + */ + _toggleEditMode : function() { + this.editMode = !this.editMode; + var toolbar = document.getElementById("graph-manipulationDiv"); + var closeDiv = document.getElementById("graph-manipulation-closeDiv"); + var editModeDiv = document.getElementById("graph-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 { + toolbar.style.display="none"; + closeDiv.style.display="none"; + editModeDiv.style.display="block"; + closeDiv.onclick = null; + } + this._createManipulatorBar() + }, + + /** + * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. + * + * @private + */ + _createManipulatorBar : function() { + // remove bound functions + if (this.boundFunction) { + this.off('select', this.boundFunction); + } + + // restore overloaded functions + this._restoreOverloadedFunctions(); + + // resume calculation + this.freezeSimulation = false; + + // reset global variables + this.blockConnectingEdgeSelection = false; + this.forceAppendSelection = false; + + if (this.editMode == true) { + while (this.manipulationDiv.hasChildNodes()) { + this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); + } + // add the icons to the manipulator div + this.manipulationDiv.innerHTML = "" + + "" + + ""+this.constants.labels['add'] +"" + + "
" + + "" + + ""+this.constants.labels['link'] +""; + if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { + this.manipulationDiv.innerHTML += "" + + "
" + + "" + + ""+this.constants.labels['editNode'] +""; + } + if (this._selectionIsEmpty() == false) { + this.manipulationDiv.innerHTML += "" + + "
" + + "" + + ""+this.constants.labels['del'] +""; + } + + + // bind the icons + var addNodeButton = document.getElementById("graph-manipulate-addNode"); + addNodeButton.onclick = this._createAddNodeToolbar.bind(this); + var addEdgeButton = document.getElementById("graph-manipulate-connectNode"); + addEdgeButton.onclick = this._createAddEdgeToolbar.bind(this); + if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) { + var editButton = document.getElementById("graph-manipulate-editNode"); + editButton.onclick = this._editNode.bind(this); + } + if (this._selectionIsEmpty() == false) { + var deleteButton = document.getElementById("graph-manipulate-delete"); + deleteButton.onclick = this._deleteSelected.bind(this); + } + var closeDiv = document.getElementById("graph-manipulation-closeDiv"); + closeDiv.onclick = this._toggleEditMode.bind(this); + + this.boundFunction = this._createManipulatorBar.bind(this); + this.on('select', this.boundFunction); + } + else { + this.editModeDiv.innerHTML = "" + + "" + + "" + this.constants.labels['edit'] + ""; + var editModeButton = document.getElementById("graph-manipulate-editModeButton"); + editModeButton.onclick = this._toggleEditMode.bind(this); + } + }, + + + + /** + * Create the toolbar for adding Nodes + * + * @private + */ + _createAddNodeToolbar : function() { + // clear the toolbar + this._clearManipulatorBar(); + if (this.boundFunction) { + this.off('select', this.boundFunction); + } + + // create the toolbar contents + this.manipulationDiv.innerHTML = "" + + "" + + "" + this.constants.labels['back'] + " " + + "
" + + "" + + "" + this.constants.labels['addDescription'] + ""; + + // bind the icon + var backButton = document.getElementById("graph-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); + }, + + + /** + * create the toolbar to connect nodes + * + * @private + */ + _createAddEdgeToolbar : function() { + // clear the toolbar + this._clearManipulatorBar(); + this._unselectAll(true); + this.freezeSimulation = true; + + if (this.boundFunction) { + this.off('select', this.boundFunction); + } + + this._unselectAll(); + this.forceAppendSelection = false; + this.blockConnectingEdgeSelection = true; + + this.manipulationDiv.innerHTML = "" + + "" + + "" + this.constants.labels['back'] + " " + + "
" + + "" + + "" + this.constants.labels['linkDescription'] + ""; + + // bind the icon + var backButton = document.getElementById("graph-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["_handleOnRelease"] = this._handleOnRelease; + this._handleTouch = this._handleConnect; + this._handleOnRelease = this._finishConnect; + + // redraw to show the unselect + 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. + * + * @private + */ + _handleConnect : function(pointer) { + if (this._getSelectedNodeCount() == 0) { + var node = this._getNodeAt(pointer); + if (node != null) { + if (node.clusterSize > 1) { + alert("Cannot create edges to a cluster.") + } + else { + this._selectObject(node,false); + // create a node the temporary line can look at + this.sectors['support']['nodes']['targetNode'] = new Node({id:'targetNode'},{},{},this.constants); + this.sectors['support']['nodes']['targetNode'].x = node.x; + this.sectors['support']['nodes']['targetNode'].y = node.y; + this.sectors['support']['nodes']['targetViaNode'] = new Node({id:'targetViaNode'},{},{},this.constants); + this.sectors['support']['nodes']['targetViaNode'].x = node.x; + this.sectors['support']['nodes']['targetViaNode'].y = node.y; + this.sectors['support']['nodes']['targetViaNode'].parentEdgeId = "connectionEdge"; + + // create a temporary edge + this.edges['connectionEdge'] = new Edge({id:"connectionEdge",from:node.id,to:this.sectors['support']['nodes']['targetNode'].id}, this, this.constants); + this.edges['connectionEdge'].from = node; + this.edges['connectionEdge'].connected = true; + this.edges['connectionEdge'].smooth = true; + this.edges['connectionEdge'].selected = true; + this.edges['connectionEdge'].to = this.sectors['support']['nodes']['targetNode']; + this.edges['connectionEdge'].via = this.sectors['support']['nodes']['targetViaNode']; + + this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag; + this._handleOnDrag = function(event) { + var pointer = this._getPointer(event.gesture.center); + this.sectors['support']['nodes']['targetNode'].x = this._canvasToX(pointer.x); + this.sectors['support']['nodes']['targetNode'].y = this._canvasToY(pointer.y); + this.sectors['support']['nodes']['targetViaNode'].x = 0.5 * (this._canvasToX(pointer.x) + this.edges['connectionEdge'].from.x); + this.sectors['support']['nodes']['targetViaNode'].y = this._canvasToY(pointer.y); + }; + + this.moving = true; + this.start(); + } + } + } + }, + + _finishConnect : function(pointer) { + if (this._getSelectedNodeCount() == 1) { + + // 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("Cannot create edges to a cluster.") + } + else { + this._createEdge(connectFromId,node.id); + this._createManipulatorBar(); + } + } + this._unselectAll(); + } + }, + + + /** + * Adds a node on the specified location + * + * @param {Object} pointer + */ + _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 { + alert(this.constants.labels['addError']); + this._createManipulatorBar(); + this.moving = true; + this.start(); + } + } + else { + this.nodesData.add(defaultData); + this._createManipulatorBar(); + this.moving = true; + this.start(); + } + } + }, + + + /** + * connect two nodes with a new edge. + * + * @private + */ + _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 { + alert(this.constants.labels["linkError"]); + this.moving = true; + this.start(); + } + } + else { + this.edgesData.add(defaultData); + this.moving = true; + this.start(); + } + } + }, + + + /** + * 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 + */ + _editNode : function() { + if (this.triggerFunctions.edit && this.editMode == true) { + var node = this._getSelectedNode(); + var data = {id:node.id, + label: node.label, + group: node.group, + shape: node.shape, + color: { + background:node.color.background, + border:node.color.border, + highlight: { + background:node.color.highlight.background, + border:node.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 { + alert(this.constants.labels["editError"]); + } + } + else { + alert(this.constants.labels["editBoundError"]); + } + }, + + + /** + * delete everything in the selection + * + * @private + */ + _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 { + alert(this.constants.labels["deleteError"]) + } + } + else { + this.edgesData.remove(selectedEdges); + this.nodesData.remove(selectedNodes); + this._unselectAll(); + this.moving = true; + this.start(); + } + } + else { + alert(this.constants.labels["deleteClusterError"]); + } + } + } +}; +/** + * Creation of the SectorMixin var. + * + * This contains all the functions the Graph object can use to employ the sector system. + * The sector system is always used by Graph, 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. + * + * Alex de Mulder + * 21-01-2013 + */ +var SectorMixin = { + + /** + * This function is only called by the setData function of the Graph object. + * This loads the global references into the active sector. This initializes the sector. + * + * @private + */ + _putDataInSector : function() { + this.sectors["active"][this._sector()].nodes = this.nodes; + this.sectors["active"][this._sector()].edges = this.edges; + this.sectors["active"][this._sector()].nodeIndices = this.nodeIndices; + }, + + + /** + * /** + * This function 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 + */ + _switchToSector : function(sectorId, sectorType) { + if (sectorType === undefined || sectorType == "active") { + this._switchToActiveSector(sectorId); + } + else { + this._switchToFrozenSector(sectorId); + } + }, + + + /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. + * + * @param sectorId + * @private + */ + _switchToActiveSector : function(sectorId) { + this.nodeIndices = this.sectors["active"][sectorId]["nodeIndices"]; + this.nodes = this.sectors["active"][sectorId]["nodes"]; + this.edges = this.sectors["active"][sectorId]["edges"]; + }, + + + /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied active sector. + * + * @param sectorId + * @private + */ + _switchToSupportSector : function() { + this.nodeIndices = this.sectors["support"]["nodeIndices"]; + this.nodes = this.sectors["support"]["nodes"]; + this.edges = this.sectors["support"]["edges"]; + }, + + + /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the supplied frozen sector. + * + * @param sectorId + * @private + */ + _switchToFrozenSector : function(sectorId) { + this.nodeIndices = this.sectors["frozen"][sectorId]["nodeIndices"]; + this.nodes = this.sectors["frozen"][sectorId]["nodes"]; + this.edges = this.sectors["frozen"][sectorId]["edges"]; + }, + + + /** + * This function sets the global references to nodes, edges and nodeIndices back to + * those of the currently active sector. + * + * @private + */ + _loadLatestSector : function() { + this._switchToSector(this._sector()); + }, + + + /** + * This function returns the currently active sector Id + * + * @returns {String} + * @private + */ + _sector : function() { + return this.activeSector[this.activeSector.length-1]; + }, + + + /** + * This function returns the previously active sector Id + * + * @returns {String} + * @private + */ + _previousSector : function() { + if (this.activeSector.length > 1) { + return this.activeSector[this.activeSector.length-2]; + } + else { + throw new TypeError('there are not enough sectors in the this.activeSector array.'); + } + }, + + + /** + * 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 + */ + _setActiveSector : function(newId) { + this.activeSector.push(newId); + }, + + + /** + * We remove the currently active sector id from the active sector stack. This happens when + * we reactivate the previously active sector + * + * @private + */ + _forgetLastSector : function() { + this.activeSector.pop(); + }, + + + /** + * 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 + */ + _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; + }, + + + /** + * 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 + */ + _deleteActiveSector : function(sectorId) { + delete this.sectors["active"][sectorId]; + }, + + + /** + * This function removes the currently active sector. This is called when we reactivate + * the previously active sector. + * + * @param {String} sectorId | Id of the active sector that will be removed + * @private + */ + _deleteFrozenSector : function(sectorId) { + delete this.sectors["frozen"][sectorId]; + }, + + + /** + * 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 + */ + _freezeSector : function(sectorId) { + // we move the set references from the active to the frozen stack. + this.sectors["frozen"][sectorId] = this.sectors["active"][sectorId]; + + // we have moved the sector data into the frozen set, we now remove it from the active set + this._deleteActiveSector(sectorId); + }, + + + /** + * This is the reverse operation of _freezeSector. Activating means moving the sector from the "frozen" + * object to the "active" object. + * + * @param sectorId + * @private + */ + _activateSector : function(sectorId) { + // we move the set references from the frozen to the active stack. + this.sectors["active"][sectorId] = this.sectors["frozen"][sectorId]; + + // we have moved the sector data into the active set, we now remove it from the frozen stack + this._deleteFrozenSector(sectorId); + }, + + + /** + * 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 + */ + _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 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 + */ + _collapseThisToSingleCluster : function() { + this.clusterToFit(1,false); + }, + + + /** + * We create a new active sector from the node that we want to open. + * + * @param node + * @private + */ + _addSector : function(node) { + // this is the currently active sector + var sector = this._sector(); + +// // this should allow me to select nodes from a frozen set. +// if (this.sectors['active'][sector]["nodes"].hasOwnProperty(node.id)) { +// console.log("the node is part of the active sector"); +// } +// else { +// console.log("I dont know what the fuck happened!!"); +// } + + // when we switch to a new sector, we remove the node that will be expanded from the current nodes list. + delete this.nodes[node.id]; + + var unqiueIdentifier = util.randomUUID(); + + // we fully freeze the currently active sector + this._freezeSector(sector); + + // we create a new active sector. This sector has the Id of the node to ensure uniqueness + this._createNewSector(unqiueIdentifier); + + // we add the active sector to the sectors array to be able to revert these steps later on + this._setActiveSector(unqiueIdentifier); + + // we redirect the global references to the new sector's references. this._sector() now returns unqiueIdentifier + this._switchToSector(this._sector()); + + // finally we add the node we removed from our previous active sector to the new active sector + this.nodes[node.id] = node; + }, + + + /** + * 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 + */ + _collapseSector : function() { + // the currently active sector + var sector = this._sector(); + + // we cannot collapse the default sector + if (sector != "default") { + if ((this.nodeIndices.length == 1) || + (this.sectors["active"][sector]["drawingNode"].width*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientWidth) || + (this.sectors["active"][sector]["drawingNode"].height*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientHeight)) { + var previousSector = this._previousSector(); + + // we collapse the sector back to a single cluster + this._collapseThisToSingleCluster(); + + // we move the remaining nodes, edges and nodeIndices to the previous sector. + // This previous sector is the one we will reactivate + this._mergeThisWithFrozen(previousSector); + + // the previously active (frozen) sector now has all the data from the currently active sector. + // we can now delete the active sector. + this._deleteActiveSector(sector); + + // we activate the previously active (and currently frozen) sector. + this._activateSector(previousSector); + + // we load the references from the newly active sector into the global references + this._switchToSector(previousSector); + + // we forget the previously active sector because we reverted to the one before + this._forgetLastSector(); + + // finally, we update the node index list. + this._updateNodeIndexList(); + + // we refresh the list with calulation nodes and calculation node indices. + this._updateCalculationNodes(); + } + } + }, + + + /** + * This runs a function in all active sectors. This is used in _redraw() and the _initializeForceCalculation(). + * + * @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 Graph object + * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @private + */ + _doInAllActiveSectors : function(runFunction,argument) { + 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); + 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) { + this[runFunction](args[0],args[1]); + } + else { + this[runFunction](argument); + } + } + } + } + // we revert the global references back to our active sector + this._loadLatestSector(); + }, + + + /** + * 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 Graph object + * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @private + */ + _doInSupportSector : function(runFunction,argument) { + if (argument === undefined) { + this._switchToSupportSector(); + this[runFunction](); + } + else { + this._switchToSupportSector(); + var args = Array.prototype.splice.call(arguments, 1); + if (args.length > 1) { + this[runFunction](args[0],args[1]); + } + else { + this[runFunction](argument); + } + } + // we revert the global references back to our active sector + this._loadLatestSector(); + }, + + + /** + * 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 Graph object + * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @private + */ + _doInAllFrozenSectors : function(runFunction,argument) { + if (argument === undefined) { + for (var sector in this.sectors["frozen"]) { + if (this.sectors["frozen"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToFrozenSector(sector); + this[runFunction](); + } + } + } + else { + for (var sector in this.sectors["frozen"]) { + if (this.sectors["frozen"].hasOwnProperty(sector)) { + // switch the global references to those of this sector + this._switchToFrozenSector(sector); + var args = Array.prototype.splice.call(arguments, 1); + if (args.length > 1) { + this[runFunction](args[0],args[1]); + } + else { + this[runFunction](argument); + } + } + } + } + this._loadLatestSector(); + }, + + + /** + * This 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 Graph object + * @param {*} [argument] | Optional: arguments to pass to the runFunction + * @private + */ + _doInAllSectors : function(runFunction,argument) { + var args = Array.prototype.splice.call(arguments, 1); + if (argument === undefined) { + this._doInAllActiveSectors(runFunction); + this._doInAllFrozenSectors(runFunction); + } + else { + if (args.length > 1) { + this._doInAllActiveSectors(runFunction,args[0],args[1]); + this._doInAllFrozenSectors(runFunction,args[0],args[1]); + } + else { + this._doInAllActiveSectors(runFunction,argument); + this._doInAllFrozenSectors(runFunction,argument); + } + } + }, + + + /** + * This 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 + */ + _clearNodeIndexList : function() { + var sector = this._sector(); + this.sectors["active"][sector]["nodeIndices"] = []; + this.nodeIndices = this.sectors["active"][sector]["nodeIndices"]; + }, + + + /** + * Draw the encompassing sector node + * + * @param ctx + * @param sectorType + * @private + */ + _drawSectorNodes : function(ctx,sectorType) { + var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; + for (var sector in this.sectors[sectorType]) { + if (this.sectors[sectorType].hasOwnProperty(sector)) { + if (this.sectors[sectorType][sector]["drawingNode"] !== undefined) { + + this._switchToSector(sector,sectorType); + + minY = 1e9; maxY = -1e9; minX = 1e9; maxX = -1e9; + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + node.resize(ctx); + if (minX > node.x - 0.5 * node.width) {minX = node.x - 0.5 * node.width;} + if (maxX < node.x + 0.5 * node.width) {maxX = node.x + 0.5 * node.width;} + if (minY > node.y - 0.5 * node.height) {minY = node.y - 0.5 * node.height;} + if (maxY < node.y + 0.5 * node.height) {maxY = node.y + 0.5 * node.height;} + } + } + node = this.sectors[sectorType][sector]["drawingNode"]; + node.x = 0.5 * (maxX + minX); + node.y = 0.5 * (maxY + minY); + node.width = 2 * (node.x - minX); + node.height = 2 * (node.y - minY); + node.radius = Math.sqrt(Math.pow(0.5*node.width,2) + Math.pow(0.5*node.height,2)); + node.setScale(this.scale); + node._drawCircle(ctx); + } + } + } + }, + + _drawAllSectorNodes : function(ctx) { + this._drawSectorNodes(ctx,"frozen"); + this._drawSectorNodes(ctx,"active"); + this._loadLatestSector(); + } +}; +/** + * Creation of the ClusterMixin var. + * + * This contains all the functions the Graph object can use to employ clustering + * + * Alex de Mulder + * 21-01-2013 + */ +var ClusterMixin = { + + /** + * This is only called in the constructor of the graph object + * + */ + startWithClustering : function() { + // cluster if the data set is big + this.clusterToFit(this.constants.clustering.initialMaxNodes, true); + + // updates the lables after clustering + this.updateLabels(); + + // this is called here because if clusterin is disabled, the start and stabilize are called in + // the setData function. + if (this.stabilize) { + this._stabilize(); + } + this.start(); + }, + + /** + * This function clusters until the initialMaxNodes has been reached + * + * @param {Number} maxNumberOfNodes + * @param {Boolean} reposition + */ + clusterToFit : function(maxNumberOfNodes, reposition) { + var numberOfNodes = this.nodeIndices.length; + + var maxLevels = 50; + var level = 0; + + // we first cluster the hubs, then we pull in the outliers, repeat + while (numberOfNodes > maxNumberOfNodes && level < maxLevels) { + if (level % 3 == 0) { + this.forceAggregateHubs(true); + this.normalizeClusterLevels(); + } + else { + this.increaseClusterLevel(); // this also includes a cluster normalization + } + + numberOfNodes = this.nodeIndices.length; + level += 1; + } + + // after the clustering we reposition the nodes to reduce the initial chaos + if (level > 0 && reposition == true) { + this.repositionNodes(); + } + this._updateCalculationNodes(); + }, + + /** + * This function can be called to open up a specific cluster. It is only called by + * It will unpack the cluster back one level. + * + * @param node | Node object: cluster to open. + */ + openCluster : function(node) { + var isMovingBeforeClustering = this.moving; + if (node.clusterSize > this.constants.clustering.sectorThreshold && this._nodeInActiveArea(node) && + !(this._sector() == "default" && this.nodeIndices.length == 1)) { + // this loads a new sector, loads the nodes and edges and nodeIndices of it. + this._addSector(node); + var level = 0; + + // we decluster until we reach a decent number of nodes + while ((this.nodeIndices.length < this.constants.clustering.initialMaxNodes) && (level < 10)) { + this.decreaseClusterLevel(); + level += 1; + } + + } + else { + this._expandClusterNode(node,false,true); + + // update the index list, dynamic edges and labels + this._updateNodeIndexList(); + this._updateDynamicEdges(); + this._updateCalculationNodes(); + this.updateLabels(); + } + + // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded + if (this.moving != isMovingBeforeClustering) { + this.start(); + } + }, + + + /** + * This calls the updateClustes with default arguments + */ + updateClustersDefault : function() { + if (this.constants.clustering.enabled == true) { + this.updateClusters(0,false,false); + } + }, + + + /** + * This function can be called to increase the cluster level. This means that the nodes with only one edge connection will + * be clustered with their connected node. This can be repeated as many times as needed. + * This can be called externally (by a keybind for instance) to reduce the complexity of big datasets. + */ + increaseClusterLevel : function() { + this.updateClusters(-1,false,true); + }, + + + /** + * This function can be called to decrease the cluster level. This means that the nodes with only one edge connection will + * be unpacked if they are a cluster. This can be repeated as many times as needed. + * This can be called externally (by a key-bind for instance) to look into clusters without zooming. + */ + decreaseClusterLevel : function() { + this.updateClusters(1,false,true); + }, + + + /** + * This is the main clustering function. It clusters and declusters on zoom or forced + * This function clusters on zoom, it can be called with a predefined zoom direction + * If out, check if we can form clusters, if in, check if we can open clusters. + * This function is only called from _zoom() + * + * @param {Number} zoomDirection | -1 / 0 / +1 for zoomOut / determineByZoom / zoomIn + * @param {Boolean} recursive | enabled or disable recursive calling of the opening of clusters + * @param {Boolean} force | enabled or disable forcing + * + */ + updateClusters : function(zoomDirection,recursive,force,doNotStart) { + var isMovingBeforeClustering = this.moving; + var amountOfNodes = this.nodeIndices.length; + + // on zoom out collapse the sector if the scale is at the level the sector was made + if (this.previousScale > this.scale && zoomDirection == 0) { + this._collapseSector(); + } + + // check if we zoom in or out + if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out + // forming clusters when forced pulls outliers in. When not forced, the edge length of the + // outer nodes determines if it is being clustered + this._formClusters(force); + } + else if (this.previousScale < this.scale || zoomDirection == 1) { // zoom in + if (force == true) { + // _openClusters checks for each node if the formationScale of the cluster is smaller than + // the current scale and if so, declusters. When forced, all clusters are reduced by one step + this._openClusters(recursive,force); + } + else { + // if a cluster takes up a set percentage of the active window + this._openClustersBySize(); + } + } + this._updateNodeIndexList(); + + // if a cluster was NOT formed and the user zoomed out, we try clustering by hubs + if (this.nodeIndices.length == amountOfNodes && (this.previousScale > this.scale || zoomDirection == -1)) { + this._aggregateHubs(force); + this._updateNodeIndexList(); + } + + // we now reduce chains. + if (this.previousScale > this.scale || zoomDirection == -1) { // zoom out + this.handleChains(); + this._updateNodeIndexList(); + } + + this.previousScale = this.scale; + + // rest of the update the index list, dynamic edges and labels + this._updateDynamicEdges(); + this.updateLabels(); + + // if a cluster was formed, we increase the clusterSession + if (this.nodeIndices.length < amountOfNodes) { // this means a clustering operation has taken place + this.clusterSession += 1; + // if clusters have been made, we normalize the cluster level + this.normalizeClusterLevels(); + } + + if (doNotStart == false || doNotStart === undefined) { + // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded + if (this.moving != isMovingBeforeClustering) { + this.start(); + } + } + + this._updateCalculationNodes(); + }, + + /** + * This function handles the chains. It is called on every updateClusters(). + */ + handleChains : function() { + // after clustering we check how many chains there are + var chainPercentage = this._getChainFraction(); + if (chainPercentage > this.constants.clustering.chainThreshold) { + this._reduceAmountOfChains(1 - this.constants.clustering.chainThreshold / chainPercentage) + + } + }, + + /** + * this functions starts clustering by hubs + * The minimum hub threshold is set globally + * + * @private + */ + _aggregateHubs : function(force) { + this._getHubSize(); + this._formClustersByHub(force,false); + }, + + + /** + * This function is fired by keypress. It forces hubs to form. + * + */ + 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(); + } + } + }, + + /** + * If a cluster takes up more than a set percentage of the screen, open the cluster + * + * @private + */ + _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); + } + } + } + } + }, + + + /** + * 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 + */ + _openClusters : function(recursive,force) { + for (var i = 0; i < this.nodeIndices.length; i++) { + var node = this.nodes[this.nodeIndices[i]]; + this._expandClusterNode(node,recursive,force); + this._updateCalculationNodes(); + } + }, + + /** + * This function checks if a node has to be opened. This is done by checking the zoom level. + * If the node contains child nodes, this function is recursively called on the child nodes as well. + * This recursive behaviour is optional and can be set by the recursive argument. + * + * @param {Node} parentNode | to check for cluster and expand + * @param {Boolean} recursive | enabled or disable recursive calling + * @param {Boolean} force | enabled or disable forcing + * @param {Boolean} [openAll] | This will recursively force all nodes in the parent to be released + * @private + */ + _expandClusterNode : function(parentNode, recursive, force, openAll) { + // first check if node is a cluster + if (parentNode.clusterSize > 1) { + // this means that on a double tap event or a zoom event, the cluster fully unpacks if it is smaller than 20 + if (parentNode.clusterSize < this.constants.clustering.sectorThreshold) { + openAll = true; + } + recursive = openAll ? true : recursive; + + // if the last child has been added on a smaller scale than current scale decluster + if (parentNode.formationScale < this.scale || force == true) { + // we will check if any of the contained child nodes should be removed from the cluster + for (var containedNodeId in parentNode.containedNodes) { + if (parentNode.containedNodes.hasOwnProperty(containedNodeId)) { + var childNode = parentNode.containedNodes[containedNodeId]; + + // 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); + } + } + } + } + } + } + }, + + /** + * ONLY CALLED FROM _expandClusterNode + * + * This function will expel a child_node from a parent_node. This is to de-cluster the node. This function will remove + * the child node from the parent contained_node object and put it back into the global nodes object. + * The same holds for the edge that was connected to the child node. It is moved back into the global edges object. + * + * @param {Node} parentNode | the parent node + * @param {String} containedNodeId | child_node id as it is contained in the containedNodes object of the parent node + * @param {Boolean} recursive | This will also check if the child needs to be expanded. + * With force and recursive both true, the entire cluster is unpacked + * @param {Boolean} force | This will disregard the zoom level and will expel this child from the parent + * @param {Boolean} openAll | This will recursively force all nodes in the parent to be released + * @private + */ + _expelChildFromParent : function(parentNode, containedNodeId, recursive, force, openAll) { + var childNode = parentNode.containedNodes[containedNodeId]; + + // if child node has been added on smaller scale than current, kick out + if (childNode.formationScale < this.scale || force == true) { + // unselect all selected items + this._unselectAll(); + + // put the child node back in the global nodes object + this.nodes[containedNodeId] = childNode; + + // release the contained edges from this childNode back into the global edges + this._releaseContainedEdges(parentNode,childNode); + + // reconnect rerouted edges to the childNode + this._connectEdgeBackToChild(parentNode,childNode); + + // validate all edges in dynamicEdges + this._validateEdges(parentNode); + + // undo the changes from the clustering operation on the parent node + parentNode.mass -= childNode.mass; + parentNode.clusterSize -= childNode.clusterSize; + parentNode.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*parentNode.clusterSize); + parentNode.dynamicEdgesLength = parentNode.dynamicEdges.length; + + // place the child node near the parent, not at the exact same location to avoid chaos in the system + childNode.x = parentNode.x + parentNode.growthIndicator * (0.5 - Math.random()); + childNode.y = parentNode.y + parentNode.growthIndicator * (0.5 - Math.random()); + + // remove node from the list + delete parentNode.containedNodes[containedNodeId]; + + // check if there are other childs with this clusterSession in the parent. + var othersPresent = false; + for (var childNodeId in parentNode.containedNodes) { + if (parentNode.containedNodes.hasOwnProperty(childNodeId)) { + if (parentNode.containedNodes[childNodeId].clusterSession == childNode.clusterSession) { + othersPresent = true; + break; + } + } + } + // if there are no others, remove the cluster session from the list + if (othersPresent == false) { + parentNode.clusterSessions.pop(); + } + + this._repositionBezierNodes(childNode); +// this._repositionBezierNodes(parentNode); + + // remove the clusterSession from the child node + childNode.clusterSession = 0; + + // recalculate the size of the node on the next time the node is rendered + parentNode.clearSizeCache(); + + // restart the simulation to reorganise all nodes + this.moving = true; + } + + // check if a further expansion step is possible if recursivity is enabled + if (recursive == true) { + this._expandClusterNode(childNode,recursive,force,openAll); + } + }, + + + /** + * position the bezier nodes at the center of the edges + * + * @param node + * @private + */ + _repositionBezierNodes : function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + node.dynamicEdges[i].positionBezierNode(); + } + }, + + + /** + * This function checks if any nodes at the end of their trees have edges below a threshold length + * This function is called only from updateClusters() + * forceLevelCollapse ignores the length of the edge and collapses one level + * This means that a node with only one edge will be clustered with its connected node + * + * @private + * @param {Boolean} force + */ + _formClusters : function(force) { + if (force == false) { + this._formClustersByZoom(); + } + else { + this._forceClustersByZoom(); + } + }, + + + /** + * This function handles the clustering by zooming out, this is based on a minimum edge distance + * + * @private + */ + _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.mass > edge.from.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); + } + } + } + } + } + } + }, + + /** + * This function forces the graph to cluster all nodes with only one connecting edge to their + * connected node. + * + * @private + */ + _forceClustersByZoom : function() { + for (var nodeId in this.nodes) { + // another node could have absorbed this child. + if (this.nodes.hasOwnProperty(nodeId)) { + var childNode = this.nodes[nodeId]; + + // the edges can be swallowed by another decrease + if (childNode.dynamicEdgesLength == 1 && childNode.dynamicEdges.length != 0) { + var edge = childNode.dynamicEdges[0]; + var parentNode = (edge.toId == childNode.id) ? this.nodes[edge.fromId] : this.nodes[edge.toId]; + + // group to the largest node + if (childNode.id != parentNode.id) { + if (parentNode.mass > childNode.mass) { + this._addToCluster(parentNode,childNode,true); + } + else { + this._addToCluster(childNode,parentNode,true); + } + } + } + } + } + }, + + + /** + * To keep the nodes of roughly equal size we normalize the cluster levels. + * This function clusters a node to its smallest connected neighbour. + * + * @param node + * @private + */ + _clusterToSmallestNeighbour : function(node) { + var smallestNeighbour = -1; + var smallestNeighbourNode = null; + for (var i = 0; i < node.dynamicEdges.length; i++) { + if (node.dynamicEdges[i] !== undefined) { + var neighbour = null; + if (node.dynamicEdges[i].fromId != node.id) { + neighbour = node.dynamicEdges[i].from; + } + else if (node.dynamicEdges[i].toId != node.id) { + neighbour = node.dynamicEdges[i].to; + } + + + if (neighbour != null && smallestNeighbour > neighbour.clusterSessions.length) { + smallestNeighbour = neighbour.clusterSessions.length; + smallestNeighbourNode = neighbour; + } + } + } + + if (neighbour != null && this.nodes[neighbour.id] !== undefined) { + this._addToCluster(neighbour, node, true); + } + }, + + + /** + * This function forms clusters from hubs, it loops over all nodes + * + * @param {Boolean} force | Disregard zoom level + * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges + * @private + */ + _formClustersByHub : function(force, onlyEqual) { + // we loop over all nodes in the list + for (var nodeId in this.nodes) { + // we check if it is still available since it can be used by the clustering in this loop + if (this.nodes.hasOwnProperty(nodeId)) { + this._formClusterFromHub(this.nodes[nodeId],force,onlyEqual); + } + } + }, + + /** + * This function forms a cluster from a specific preselected hub node + * + * @param {Node} hubNode | the node we will cluster as a hub + * @param {Boolean} force | Disregard zoom level + * @param {Boolean} onlyEqual | This only clusters a hub with a specific number of edges + * @param {Number} [absorptionSizeOffset] | + * @private + */ + _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); + } + } + } + } + } + }, + + + + /** + * This function adds the child node to the parent node, creating a cluster if it is not already. + * + * @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 + */ + _addToCluster : function(parentNode, childNode, force) { + // join child node in the parent node + parentNode.containedNodes[childNode.id] = childNode; + + // manage all the edges connected to the child and parent nodes + for (var i = 0; i < childNode.dynamicEdges.length; i++) { + var edge = childNode.dynamicEdges[i]; + if (edge.toId == parentNode.id || edge.fromId == parentNode.id) { // edge connected to parentNode + this._addToContainedEdges(parentNode,childNode,edge); + } + else { + this._connectEdgeToCluster(parentNode,childNode,edge); + } + } + // a contained node has no dynamic edges. + childNode.dynamicEdges = []; + + // remove circular edges from clusters + this._containCircularEdgesFromNode(parentNode,childNode); + + + // remove the childNode from the global nodes object + delete this.nodes[childNode.id]; + + // update the properties of the child and parent + var massBefore = parentNode.mass; + childNode.clusterSession = this.clusterSession; + parentNode.mass += childNode.mass; + parentNode.clusterSize += childNode.clusterSize; + parentNode.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; + }, + + + /** + * 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 + */ + _updateDynamicEdges : function() { + for (var i = 0; i < this.nodeIndices.length; i++) { + var node = this.nodes[this.nodeIndices[i]]; + node.dynamicEdgesLength = node.dynamicEdges.length; + + // this corrects for multiple edges pointing at the same other node + var correction = 0; + if (node.dynamicEdgesLength > 1) { + for (var j = 0; j < node.dynamicEdgesLength - 1; j++) { + var edgeToId = node.dynamicEdges[j].toId; + var edgeFromId = node.dynamicEdges[j].fromId; + for (var k = j+1; k < node.dynamicEdgesLength; k++) { + if ((node.dynamicEdges[k].toId == edgeToId && node.dynamicEdges[k].fromId == edgeFromId) || + (node.dynamicEdges[k].fromId == edgeToId && node.dynamicEdges[k].toId == edgeFromId)) { + correction += 1; + } + } + } + } + node.dynamicEdgesLength -= correction; + } + }, + + + /** + * This 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 + */ + _addToContainedEdges : function(parentNode, childNode, edge) { + // create an array object if it does not yet exist for this childNode + if (!(parentNode.containedEdges.hasOwnProperty(childNode.id))) { + parentNode.containedEdges[childNode.id] = [] + } + // add this edge to the list + parentNode.containedEdges[childNode.id].push(edge); + + // remove the edge from the global edges object + delete this.edges[edge.id]; + + // remove the edge from the parent object + for (var i = 0; i < parentNode.dynamicEdges.length; i++) { + if (parentNode.dynamicEdges[i].id == edge.id) { + parentNode.dynamicEdges.splice(i,1); + break; + } + } + }, + + /** + * This function connects an edge that was connected to a child node to the parent node. + * It keeps track of which nodes it has been connected to with the originalId array. + * + * @param {Node} parentNode | Node object + * @param {Node} childNode | Node object + * @param {Edge} edge | Edge object + * @private + */ + _connectEdgeToCluster : function(parentNode, childNode, edge) { + // handle circular edges + if (edge.toId == edge.fromId) { + this._addToContainedEdges(parentNode, childNode, edge); + } + else { + if (edge.toId == childNode.id) { // edge connected to other node on the "to" side + edge.originalToId.push(childNode.id); + edge.to = parentNode; + edge.toId = parentNode.id; + } + else { // edge connected to other node with the "from" side + + edge.originalFromId.push(childNode.id); + edge.from = parentNode; + edge.fromId = parentNode.id; + } + + this._addToReroutedEdges(parentNode,childNode,edge); + } + }, + + + /** + * 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 + */ + _containCircularEdgesFromNode : function(parentNode, childNode) { + // manage all the edges connected to the child and parent nodes + for (var i = 0; i < parentNode.dynamicEdges.length; i++) { + var edge = parentNode.dynamicEdges[i]; + // handle circular edges + if (edge.toId == edge.fromId) { + this._addToContainedEdges(parentNode, childNode, edge); + } + } + }, + + + /** + * This adds an edge from the childNode to the rerouted edges of the parent node + * + * @param parentNode | Node object + * @param childNode | Node object + * @param edge | Edge object + * @private + */ + _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 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 + */ + _connectEdgeBackToChild : function(parentNode, childNode) { + if (parentNode.reroutedEdges.hasOwnProperty(childNode.id)) { + for (var i = 0; i < parentNode.reroutedEdges[childNode.id].length; i++) { + var edge = parentNode.reroutedEdges[childNode.id][i]; + if (edge.originalFromId[edge.originalFromId.length-1] == childNode.id) { + edge.originalFromId.pop(); + edge.fromId = childNode.id; + edge.from = childNode; + } + else { + edge.originalToId.pop(); + edge.toId = childNode.id; + edge.to = childNode; + } + + // append this edge to the list of edges connecting to the childnode + childNode.dynamicEdges.push(edge); + + // remove the edge from the parent object + for (var j = 0; j < parentNode.dynamicEdges.length; j++) { + if (parentNode.dynamicEdges[j].id == edge.id) { + parentNode.dynamicEdges.splice(j,1); + break; + } + } + } + // remove the entry from the rerouted edges + delete parentNode.reroutedEdges[childNode.id]; + } + }, + + + /** + * 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 parentNode | Node object + * @private + */ + _validateEdges : function(parentNode) { + for (var i = 0; i < parentNode.dynamicEdges.length; i++) { + var edge = parentNode.dynamicEdges[i]; + if (parentNode.id != edge.toId && parentNode.id != edge.fromId) { + parentNode.dynamicEdges.splice(i,1); + } + } + }, + + + /** + * This function released the contained edges back into the global domain and puts them back into the + * dynamic edges of both parent and child. + * + * @param {Node} parentNode | + * @param {Node} childNode | + * @private + */ + _releaseContainedEdges : function(parentNode, childNode) { + for (var i = 0; i < parentNode.containedEdges[childNode.id].length; i++) { + var edge = parentNode.containedEdges[childNode.id][i]; + + // put the edge back in the global edges object + this.edges[edge.id] = edge; + + // put the edge back in the dynamic edges of the child and parent + childNode.dynamicEdges.push(edge); + parentNode.dynamicEdges.push(edge); + } + // 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) + */ + updateLabels : function() { + var nodeId; + // update node labels + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + var node = this.nodes[nodeId]; + if (node.clusterSize > 1) { + node.label = "[".concat(String(node.clusterSize),"]"); + } + } + } + + // update node labels + for (nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + node = this.nodes[nodeId]; + if (node.clusterSize == 1) { + if (node.originalLabel !== undefined) { + node.label = node.originalLabel; + } + else { + node.label = String(node.id); + } + } + } + } + +// /* Debug Override */ +// for (nodeId in this.nodes) { +// if (this.nodes.hasOwnProperty(nodeId)) { +// node = this.nodes[nodeId]; +// node.label = String(node.level); +// } +// } + + }, + + + /** + * 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. + */ + normalizeClusterLevels : function() { + var maxLevel = 0; + var minLevel = 1e9; + var clusterLevel = 0; + + // we loop over all nodes in the list + for (var nodeId in this.nodes) { + if (this.nodes.hasOwnProperty(nodeId)) { + clusterLevel = this.nodes[nodeId].clusterSessions.length; + if (maxLevel < clusterLevel) {maxLevel = clusterLevel;} + if (minLevel > clusterLevel) {minLevel = clusterLevel;} + } + } + + if (maxLevel - minLevel > this.constants.clustering.clusterLevelDifference) { + var amountOfNodes = this.nodeIndices.length; + var targetLevel = maxLevel - this.constants.clustering.clusterLevelDifference; + // we loop over all nodes in the list + for (var 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; + } + } + }, + + + + /** + * 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 + */ + _nodeInActiveArea : function(node) { + return ( + Math.abs(node.x - this.areaCenter.x) <= this.constants.clustering.activeAreaBoxSize/this.scale + && + Math.abs(node.y - this.areaCenter.y) <= this.constants.clustering.activeAreaBoxSize/this.scale + ) + }, + + + /** + * This 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. + * + */ + 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.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); + } + } + }, + + + /** + * 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 + */ + _getHubSize : function() { + var average = 0; + var averageSquared = 0; + var hubCounter = 0; + var largestHub = 0; + + for (var i = 0; i < this.nodeIndices.length; i++) { + + var node = this.nodes[this.nodeIndices[i]]; + if (node.dynamicEdgesLength > largestHub) { + largestHub = node.dynamicEdgesLength; + } + average += node.dynamicEdgesLength; + averageSquared += Math.pow(node.dynamicEdgesLength,2); + hubCounter += 1; + } + average = average / hubCounter; + averageSquared = averageSquared / hubCounter; + + var variance = averageSquared - Math.pow(average,2); + + var standardDeviation = Math.sqrt(variance); + + this.hubThreshold = Math.floor(average + 2*standardDeviation); + + // always have at least one to cluster + if (this.hubThreshold > largestHub) { + this.hubThreshold = largestHub; + } + + // console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); + // console.log("hubThreshold:",this.hubThreshold); + }, + + + /** + * 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 + */ + _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; + } + } + } + } + }, + + /** + * 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 + */ + _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; + } + +}; + + +var SelectionMixin = { + + /** + * This function can be called from the _doInAllSectors function + * + * @param object + * @param overlappingNodes + * @private + */ + _getNodesOverlappingWith : function(object, overlappingNodes) { + var nodes = this.nodes; + for (var nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + if (nodes[nodeId].isOverlappingWith(object)) { + overlappingNodes.push(nodeId); + } + } + } + }, + + /** + * retrieve all nodes overlapping with given object + * @param {Object} object An object with parameters left, top, right, bottom + * @return {Number[]} An array with id's of the overlapping nodes + * @private + */ + _getAllNodesOverlappingWith : function (object) { + var overlappingNodes = []; + this._doInAllActiveSectors("_getNodesOverlappingWith",object,overlappingNodes); + return overlappingNodes; + }, + + + /** + * Return a position object in canvasspace from a single point in screenspace + * + * @param pointer + * @returns {{left: number, top: number, right: number, bottom: number}} + * @private + */ + _pointerToPositionObject : function(pointer) { + var x = this._canvasToX(pointer.x); + var y = this._canvasToY(pointer.y); + + return {left: x, + top: y, + right: x, + bottom: y}; + }, + + + /** + * Get the top node at the a specific point (like a click) + * + * @param {{x: Number, y: Number}} pointer + * @return {Node | null} node + * @private + */ + _getNodeAt : function (pointer) { + // we first check if this is an navigation controls element + var positionObject = this._pointerToPositionObject(pointer); + var overlappingNodes = this._getAllNodesOverlappingWith(positionObject); + + // 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; + } + }, + + + /** + * 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 + */ + _getEdgesOverlappingWith : function (object, overlappingEdges) { + var edges = this.edges; + for (var edgeId in edges) { + if (edges.hasOwnProperty(edgeId)) { + if (edges[edgeId].isOverlappingWith(object)) { + overlappingEdges.push(edgeId); + } + } + } + }, + + + /** + * retrieve all nodes overlapping with given object + * @param {Object} object An object with parameters left, top, right, bottom + * @return {Number[]} An array with id's of the overlapping nodes + * @private + */ + _getAllEdgesOverlappingWith : function (object) { + var overlappingEdges = []; + this._doInAllActiveSectors("_getEdgesOverlappingWith",object,overlappingEdges); + return overlappingEdges; + }, + + /** + * Place holder. To implement change the _getNodeAt to a _getObjectAt. Have the _getObjectAt call + * _getNodeAt and _getEdgesAt, then priortize the selection to user preferences. + * + * @param pointer + * @returns {null} + * @private + */ + _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; + } + }, + + + /** + * Add object to the selection array. + * + * @param obj + * @private + */ + _addToSelection : function(obj) { + if (obj instanceof Node) { + this.selectionObj.nodes[obj.id] = obj; + } + else { + this.selectionObj.edges[obj.id] = obj; + } + + }, + + + /** + * Remove a single option from selection. + * + * @param {Object} obj + * @private + */ + _removeFromSelection : function(obj) { + if (obj instanceof Node) { + delete this.selectionObj.nodes[obj.id]; + } + else { + delete this.selectionObj.edges[obj.id]; + } + }, + + + /** + * Unselect all. The selectionObj is useful for this. + * + * @param {Boolean} [doNotTrigger] | ignore trigger + * @private + */ + _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()); + } + }, + + /** + * Unselect all clusters. The selectionObj is useful for this. + * + * @param {Boolean} [doNotTrigger] | ignore trigger + * @private + */ + _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()); + } + }, + + + /** + * return the number of selected nodes + * + * @returns {number} + * @private + */ + _getSelectedNodeCount : function() { + var count = 0; + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + count += 1; + } + } + return count; + }, + + /** + * return the number of selected nodes + * + * @returns {number} + * @private + */ + _getSelectedNode : function() { + for (var nodeId in this.selectionObj.nodes) { + if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { + return this.selectionObj.nodes[nodeId]; + } + } + return null; + }, + + + /** + * return the number of selected edges + * + * @returns {number} + * @private + */ + _getSelectedEdgeCount : function() { + var count = 0; + for (var edgeId in this.selectionObj.edges) { + if (this.selectionObj.edges.hasOwnProperty(edgeId)) { + count += 1; + } + } + return count; + }, + + + /** + * return the number of selected objects. + * + * @returns {number} + * @private + */ + _getSelectedObjectCount : function() { + var count = 0; + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + count += 1; + } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + count += 1; + } + } + return count; + }, + + /** + * Check if anything is selected + * + * @returns {boolean} + * @private + */ + _selectionIsEmpty : function() { + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + return false; + } + } + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + return false; + } + } + return true; + }, + + + /** + * check if one of the selected nodes is a cluster. + * + * @returns {boolean} + * @private + */ + _clusterInSelection : function() { + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + if (this.selectionObj.nodes[nodeId].clusterSize > 1) { + return true; + } + } + } + return false; + }, + + /** + * select the edges connected to the node that is being selected + * + * @param {Node} node + * @private + */ + _selectConnectedEdges : function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.select(); + this._addToSelection(edge); + } + }, + + + /** + * unselect the edges connected to the node that is being selected + * + * @param {Node} node + * @private + */ + _unselectConnectedEdges : function(node) { + for (var i = 0; i < node.dynamicEdges.length; i++) { + var edge = node.dynamicEdges[i]; + edge.unselect(); + this._removeFromSelection(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 + * + * @param {Node || Edge} object + * @param {Boolean} append + * @param {Boolean} [doNotTrigger] | ignore trigger + * @private + */ + _selectObject : function(object, append, doNotTrigger) { + if (doNotTrigger === undefined) { + doNotTrigger = false; + } + + if (this._selectionIsEmpty() == false && append == false && this.forceAppendSelection == false) { + this._unselectAll(true); + } + + if (object.selected == false) { + object.select(); + this._addToSelection(object); + if (object instanceof Node && this.blockConnectingEdgeSelection == false) { + this._selectConnectedEdges(object); + } + } + else { + object.unselect(); + this._removeFromSelection(object); + } + if (doNotTrigger == false) { + this.emit('select', this.getSelection()); + } + }, + + + /** + * handles the selection part of the touch, only for navigation controls elements; + * Touch is triggered before tap, also before hold. Hold triggers after a while. + * This is the most responsive solution + * + * @param {Object} pointer + * @private + */ + _handleTouch : function(pointer) { + + }, + + + /** + * handles the selection part of the tap; + * + * @param {Object} pointer + * @private + */ + _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(); + } + } + this.emit("click", this.getSelection()); + this._redraw(); + }, + + + /** + * handles the selection part of the double tap and opens a cluster if needed + * + * @param {Object} pointer + * @private + */ + _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._canvasToX(pointer.x), + "y" : this._canvasToY(pointer.y)}; + this.openCluster(node); + } + this.emit("doubleClick", this.getSelection()); + }, + + + /** + * Handle the onHold selection part + * + * @param pointer + * @private + */ + _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(); + }, + + + /** + * handle the onRelease event. These functions are here for the navigation controls module. + * + * @private + */ + _handleOnRelease : function(pointer) { + + }, + + + + /** + * + * retrieve the currently selected objects + * @return {Number[] | String[]} selection An array with the ids of the + * selected nodes. + */ + 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. + */ + getSelectedNodes : function() { + var idArray = []; + for(var nodeId in this.selectionObj.nodes) { + if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { + idArray.push(nodeId); + } + } + return idArray + }, + + /** + * + * retrieve the currently selected edges + * @return {Array} selection An array with the ids of the + * selected nodes. + */ + getSelectedEdges : function() { + var idArray = []; + for(var edgeId in this.selectionObj.edges) { + if(this.selectionObj.edges.hasOwnProperty(edgeId)) { + idArray.push(edgeId); + } + } + return idArray; + }, + + + /** + * select zero or more nodes + * @param {Number[] | String[]} selection An array with the ids of the + * selected nodes. + */ + setSelection : 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 node = this.nodes[id]; + if (!node) { + throw new RangeError('Node with id "' + id + '" not found'); + } + this._selectObject(node,true,true); + } + this.redraw(); + }, + + + /** + * Validate the selection: remove ids of nodes which no longer exist + * @private + */ + _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]; + } + } + } + } +}; + + + +/** + * Created by Alex on 1/22/14. + */ + +var NavigationMixin = { + + _cleanNavigation : function() { + // clean up previosu navigation items + var wrapper = document.getElementById('graph-navigation_wrapper'); + if (wrapper != null) { + this.containerElement.removeChild(wrapper); + } + document.onmouseup = null; + }, + + /** + * 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. + * + * @private + */ + _loadNavigationElements : function() { + this._cleanNavigation(); + + this.navigationDivs = {}; + var navigationDivs = ['up','down','left','right','zoomIn','zoomOut','zoomExtends']; + var navigationDivActions = ['_moveUp','_moveDown','_moveLeft','_moveRight','_zoomIn','_zoomOut','zoomExtent']; + + this.navigationDivs['wrapper'] = document.createElement('div'); + this.navigationDivs['wrapper'].id = "graph-navigation_wrapper"; + this.navigationDivs['wrapper'].style.position = "absolute"; + this.navigationDivs['wrapper'].style.width = this.frame.canvas.clientWidth + "px"; + this.navigationDivs['wrapper'].style.height = this.frame.canvas.clientHeight + "px"; + this.containerElement.insertBefore(this.navigationDivs['wrapper'],this.frame); + + for (var i = 0; i < navigationDivs.length; i++) { + this.navigationDivs[navigationDivs[i]] = document.createElement('div'); + this.navigationDivs[navigationDivs[i]].id = "graph-navigation_" + navigationDivs[i]; + this.navigationDivs[navigationDivs[i]].className = "graph-navigation " + navigationDivs[i]; + this.navigationDivs['wrapper'].appendChild(this.navigationDivs[navigationDivs[i]]); + this.navigationDivs[navigationDivs[i]].onmousedown = this[navigationDivActions[i]].bind(this); + } + + document.onmouseup = this._stopMovement.bind(this); + }, + + /** + * this stops all movement induced by the navigation buttons + * + * @private + */ + _stopMovement : function() { + this._xStopMoving(); + this._yStopMoving(); + this._stopZoom(); + }, + + + /** + * stops the actions performed by page up and down etc. + * + * @param event + * @private + */ + _preventDefault : function(event) { + if (event !== undefined) { + if (event.preventDefault) { + event.preventDefault(); + } else { + event.returnValue = false; + } + } + }, + + + /** + * 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 + */ + _moveUp : function(event) { + this.yIncrement = this.constants.keyboard.speed.y; + this.start(); // if there is no node movement, the calculation wont be done + this._preventDefault(event); + if (this.navigationDivs) { + this.navigationDivs['up'].className += " active"; + } + }, + + + /** + * move the screen down + * @private + */ + _moveDown : function(event) { + this.yIncrement = -this.constants.keyboard.speed.y; + this.start(); // if there is no node movement, the calculation wont be done + this._preventDefault(event); + if (this.navigationDivs) { + this.navigationDivs['down'].className += " active"; + } + }, + + + /** + * move the screen left + * @private + */ + _moveLeft : function(event) { + this.xIncrement = this.constants.keyboard.speed.x; + this.start(); // if there is no node movement, the calculation wont be done + this._preventDefault(event); + if (this.navigationDivs) { + this.navigationDivs['left'].className += " active"; + } + }, + + + /** + * move the screen right + * @private + */ + _moveRight : function(event) { + this.xIncrement = -this.constants.keyboard.speed.y; + this.start(); // if there is no node movement, the calculation wont be done + this._preventDefault(event); + if (this.navigationDivs) { + this.navigationDivs['right'].className += " active"; + } + }, + + + /** + * Zoom in, using the same method as the movement. + * @private + */ + _zoomIn : function(event) { + this.zoomIncrement = this.constants.keyboard.speed.zoom; + this.start(); // if there is no node movement, the calculation wont be done + this._preventDefault(event); + if (this.navigationDivs) { + this.navigationDivs['zoomIn'].className += " active"; + } + }, + + + /** + * Zoom out + * @private + */ + _zoomOut : function() { + this.zoomIncrement = -this.constants.keyboard.speed.zoom; + this.start(); // if there is no node movement, the calculation wont be done + this._preventDefault(event); + if (this.navigationDivs) { + this.navigationDivs['zoomOut'].className += " active"; + } + }, + + + /** + * Stop zooming and unhighlight the zoom controls + * @private + */ + _stopZoom : function() { + this.zoomIncrement = 0; + if (this.navigationDivs) { + this.navigationDivs['zoomIn'].className = this.navigationDivs['zoomIn'].className.replace(" active",""); + this.navigationDivs['zoomOut'].className = this.navigationDivs['zoomOut'].className.replace(" active",""); + } + }, + + + /** + * Stop moving in the Y direction and unHighlight the up and down + * @private + */ + _yStopMoving : function() { + this.yIncrement = 0; + if (this.navigationDivs) { + this.navigationDivs['up'].className = this.navigationDivs['up'].className.replace(" active",""); + this.navigationDivs['down'].className = this.navigationDivs['down'].className.replace(" active",""); + } + }, + + + /** + * Stop moving in the X direction and unHighlight left and right. + * @private + */ + _xStopMoving : function() { + this.xIncrement = 0; + if (this.navigationDivs) { + this.navigationDivs['left'].className = this.navigationDivs['left'].className.replace(" active",""); + this.navigationDivs['right'].className = this.navigationDivs['right'].className.replace(" active",""); + } + } + + +}; + +/** + * Created by Alex on 2/10/14. + */ + + +var graphMixinLoaders = { + + /** + * Load a mixin into the graph object + * + * @param {Object} sourceVariable | this object has to contain functions. + * @private + */ + _loadMixin: function (sourceVariable) { + for (var mixinFunction in sourceVariable) { + if (sourceVariable.hasOwnProperty(mixinFunction)) { + Graph.prototype[mixinFunction] = sourceVariable[mixinFunction]; + } + } + }, + + + /** + * removes a mixin from the graph object. + * + * @param {Object} sourceVariable | this object has to contain functions. + * @private + */ + _clearMixin: function (sourceVariable) { + for (var mixinFunction in sourceVariable) { + if (sourceVariable.hasOwnProperty(mixinFunction)) { + Graph.prototype[mixinFunction] = undefined; + } + } + }, + + + /** + * Mixin the physics system and initialize the parameters required. + * + * @private + */ + _loadPhysicsSystem: function () { + this._loadMixin(physicsMixin); + this._loadSelectedForceSolver(); + if (this.constants.configurePhysics == true) { + this._loadPhysicsConfiguration(); + } + }, + + + /** + * Mixin the cluster system and initialize the parameters required. + * + * @private + */ + _loadClusterSystem: function () { + this.clusterSession = 0; + this.hubThreshold = 5; + this._loadMixin(ClusterMixin); + }, + + + /** + * Mixin the sector system and initialize the parameters required + * + * @private + */ + _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(SectorMixin); + }, + + + /** + * Mixin the selection system and initialize the parameters required + * + * @private + */ + _loadSelectionSystem: function () { + this.selectionObj = {nodes: {}, edges: {}}; + + this._loadMixin(SelectionMixin); + }, + + + /** + * Mixin the navigationUI (User Interface) system and initialize the parameters required + * + * @private + */ + _loadManipulationSystem: function () { + // reset global variables -- these are used by the selection of nodes and edges. + this.blockConnectingEdgeSelection = false; + this.forceAppendSelection = false + + if (this.constants.dataManipulation.enabled == true) { + // load the manipulator HTML elements. All styling done in css. + if (this.manipulationDiv === undefined) { + this.manipulationDiv = document.createElement('div'); + this.manipulationDiv.className = 'graph-manipulationDiv'; + this.manipulationDiv.id = 'graph-manipulationDiv'; + if (this.editMode == true) { + this.manipulationDiv.style.display = "block"; + } + else { + this.manipulationDiv.style.display = "none"; + } + this.containerElement.insertBefore(this.manipulationDiv, this.frame); + } + + if (this.editModeDiv === undefined) { + this.editModeDiv = document.createElement('div'); + this.editModeDiv.className = 'graph-manipulation-editMode'; + this.editModeDiv.id = 'graph-manipulation-editMode'; + if (this.editMode == true) { + this.editModeDiv.style.display = "none"; + } + else { + this.editModeDiv.style.display = "block"; + } + this.containerElement.insertBefore(this.editModeDiv, this.frame); + } + + if (this.closeDiv === undefined) { + this.closeDiv = document.createElement('div'); + this.closeDiv.className = 'graph-manipulation-closeDiv'; + this.closeDiv.id = 'graph-manipulation-closeDiv'; + this.closeDiv.style.display = this.manipulationDiv.style.display; + this.containerElement.insertBefore(this.closeDiv, this.frame); + } + + // 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.containerElement.removeChild(this.manipulationDiv); + this.containerElement.removeChild(this.editModeDiv); + this.containerElement.removeChild(this.closeDiv); + + this.manipulationDiv = undefined; + this.editModeDiv = undefined; + this.closeDiv = undefined; + // remove the mixin functions + this._clearMixin(manipulationMixin); + } + } + }, + + + /** + * Mixin the navigation (User Interface) system and initialize the parameters required + * + * @private + */ + _loadNavigationControls: function () { + this._loadMixin(NavigationMixin); + + // the clean function removes the button divs, this is done to remove the bindings. + this._cleanNavigation(); + if (this.constants.navigation.enabled == true) { + this._loadNavigationElements(); + } + }, + + + /** + * Mixin the hierarchical layout system. + * + * @private + */ + _loadHierarchySystem: function () { + this._loadMixin(HierarchicalLayoutMixin); + } + +}; + +/** + * @constructor Graph + * Create a graph visualization, displaying nodes and edges. + * + * @param {Element} container The DOM element in which the Graph will + * be created. Normally a div element. + * @param {Object} data An object containing parameters + * {Array} nodes + * {Array} edges + * @param {Object} options Options + */ +function Graph (container, data, options) { + + this._initializeMixinLoaders(); + + // create variables and set default values + this.containerElement = container; + this.width = '100%'; + this.height = '100%'; + + // 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 = 0.65; // discrete stepsize of the simulation + + this.stabilize = true; // stabilize before displaying the graph + this.selectable = true; + this.initializing = true; + + // these functions are triggered when the dataset is edited + this.triggerFunctions = {add:null,edit:null,connect:null,del:null}; + + // set constant values + this.constants = { + nodes: { + radiusMin: 5, + radiusMax: 20, + radius: 5, + shape: 'ellipse', + image: undefined, + widthMin: 16, // px + widthMax: 64, // px + fixed: false, + fontColor: 'black', + fontSize: 14, // px + fontFace: 'verdana', + level: -1, + color: { + border: '#2B7CE9', + background: '#97C2FC', + highlight: { + border: '#2B7CE9', + background: '#D2E5FF' + } + }, + borderColor: '#2B7CE9', + backgroundColor: '#97C2FC', + highlightColor: '#D2E5FF', + group: undefined + }, + edges: { + widthMin: 1, + widthMax: 15, + width: 1, + style: 'line', + color: { + color:'#848484', + highlight:'#848484' + }, + fontColor: '#343434', + fontSize: 14, // px + fontFace: 'arial', + fontFill: 'white', + dash: { + length: 10, + gap: 5, + altLength: undefined + } + }, + 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: 0.1, + springLength: 200, + springConstant: 0.05, + nodeDistance: 100, + damping: 0.09 + }, + hierarchicalRepulsion: { + enabled: false, + centralGravity: 0.0, + springLength: 100, + springConstant: 0.01, + nodeDistance: 60, + 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 + }, + freezeForStabilization: false, + smoothCurves: true, + maxVelocity: 10, + minVelocity: 0.1, // px/s + stabilizationIterations: 1000, // maximum number of iteration to stabilize + labels:{ + add:"Add Node", + edit:"Edit", + link:"Add Link", + del:"Delete selected", + editNode:"Edit Node", + back:"Back", + addDescription:"Click in an empty space to place a new node.", + linkDescription:"Click on a node and drag the edge to another node to connect them.", + addError:"The function for add does not support two arguments (data,callback).", + linkError:"The function for connect does not support two arguments (data,callback).", + editError:"The function for edit does not support two arguments (data, callback).", + editBoundError:"No edit function has been bound to this button.", + deleteError:"The function for delete does not support two arguments (data, callback).", + deleteClusterError:"Clusters cannot be deleted." + }, + tooltip: { + delay: 300, + fontColor: 'black', + fontSize: 14, // px + fontFace: 'verdana', + color: { + border: '#666', + background: '#FFFFC6' + } + } + }; + this.editMode = this.constants.dataManipulation.initiallyVisible; + + // Node variables + var graph = this; + this.groups = new Groups(); // object with groups + this.images = new Images(); // object with images + this.images.setOnloadCallback(function () { + graph._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 Graph) + 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 Graph) + this._loadSelectionSystem(); + // load the selection system. (mandatory, required by Graph) + this._loadHierarchySystem(); + + // apply options + this.setOptions(options); + + // other vars + this.freezeSimulation = false;// freeze the simulation + this.cachedFunctions = {}; + + // 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) { + graph._addNodes(params.items); + graph.start(); + }, + 'update': function (event, params) { + graph._updateNodes(params.items); + graph.start(); + }, + 'remove': function (event, params) { + graph._removeNodes(params.items); + graph.start(); + } + }; + this.edgesListeners = { + 'add': function (event, params) { + graph._addEdges(params.items); + graph.start(); + }, + 'update': function (event, params) { + graph._updateEdges(params.items); + graph.start(); + }, + 'remove': function (event, params) { + graph._removeEdges(params.items); + graph.start(); + } + }; + + // 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(); + } + 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.stabilize == false) { + this.zoomExtent(true,this.constants.clustering.enabled); + } + } + + // if clustering is disabled, the simulation will have started in the setData function + if (this.constants.clustering.enabled) { + this.startWithClustering(); + } +} + +// Extend Graph with an Emitter mixin +Emitter(Graph.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 + */ +Graph.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); + } + } + + return null; +}; + + +/** + * Find the center position of the graph + * @private + */ +Graph.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}; +}; + + +/** + * @param {object} range = {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; + * @returns {{x: number, y: number}} + * @private + */ +Graph.prototype._findCenter = function(range) { + return {x: (0.5 * (range.maxX + range.minX)), + y: (0.5 * (range.maxY + range.minY))}; +}; + + +/** + * center the graph + * + * @param {object} range = {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; + */ +Graph.prototype._centerGraph = function(range) { + var center = this._findCenter(range); + + center.x *= this.scale; + center.y *= this.scale; + center.x -= 0.5 * this.frame.canvas.clientWidth; + center.y -= 0.5 * this.frame.canvas.clientHeight; + + this._setTranslation(-center.x,-center.y); // set at 0,0 +}; + + +/** + * 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; + */ +Graph.prototype.zoomExtent = function(initialZoom, disableStart) { + if (initialZoom === undefined) { + initialZoom = false; + } + if (disableStart === undefined) { + disableStart = 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. + } + } + + // 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.minX) + Math.abs(range.maxX)) * 1.1; + var yDistance = (Math.abs(range.minY) + Math.abs(range.maxY)) * 1.1; + + var xZoomLevel = this.frame.canvas.clientWidth / xDistance; + var yZoomLevel = this.frame.canvas.clientHeight / yDistance; + + zoomLevel = (xZoomLevel <= yZoomLevel) ? xZoomLevel : yZoomLevel; + } + + if (zoomLevel > 1.0) { + zoomLevel = 1.0; + } + + + this._setScale(zoomLevel); + this._centerGraph(range); + if (disableStart == false) { + this.moving = true; + this.start(); + } +}; + + +/** + * Update the this.nodeIndices with the most recent node index list + * @private + */ +Graph.prototype._updateNodeIndexList = function() { + this._clearNodeIndexList(); + for (var idx in this.nodes) { + if (this.nodes.hasOwnProperty(idx)) { + this.nodeIndices.push(idx); + } + } +}; + + +/** + * 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 + * {Options} [options] Object with options + * @param {Boolean} [disableStart] | optional: disable the calling of the start function. + */ +Graph.prototype.setData = function(data, disableStart) { + if (disableStart === undefined) { + disableStart = false; + } + + 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 = vis.util.DOTToGraph(data.dot); + this.setData(dotData); + return; + } + } + else { + this._setNodes(data && data.nodes); + this._setEdges(data && data.edges); + } + + this._putDataInSector(); + + if (!disableStart) { + // find a stable position or start animating to a stable position + if (this.stabilize) { + this._stabilize(); + } + this.start(); + } +}; + +/** + * Set options + * @param {Object} options + */ +Graph.prototype.setOptions = function (options) { + if (options) { + var prop; + // retrieve parameter values + if (options.width !== undefined) {this.width = options.width;} + if (options.height !== undefined) {this.height = options.height;} + if (options.stabilize !== undefined) {this.stabilize = options.stabilize;} + if (options.selectable !== undefined) {this.selectable = options.selectable;} + if (options.smoothCurves !== undefined) {this.constants.smoothCurves = options.smoothCurves;} + if (options.freezeForStabilization !== undefined) {this.constants.freezeForStabilization = options.freezeForStabilization;} + if (options.configurePhysics !== undefined){this.constants.configurePhysics = options.configurePhysics;} + if (options.stabilizationIterations !== undefined) {this.constants.stabilizationIterations = options.stabilizationIterations;} + + + + if (options.labels !== undefined) { + for (prop in options.labels) { + if (options.labels.hasOwnProperty(prop)) { + this.constants.labels[prop] = options.labels[prop]; + } + } + } + + if (options.onAdd) { + this.triggerFunctions.add = options.onAdd; + } + + if (options.onEdit) { + this.triggerFunctions.edit = options.onEdit; + } + + if (options.onConnect) { + this.triggerFunctions.connect = options.onConnect; + } + + if (options.onDelete) { + this.triggerFunctions.del = options.onDelete; + } + + if (options.physics) { + if (options.physics.barnesHut) { + this.constants.physics.barnesHut.enabled = true; + for (prop in options.physics.barnesHut) { + if (options.physics.barnesHut.hasOwnProperty(prop)) { + this.constants.physics.barnesHut[prop] = options.physics.barnesHut[prop]; + } + } + } + + if (options.physics.repulsion) { + this.constants.physics.barnesHut.enabled = false; + for (prop in options.physics.repulsion) { + if (options.physics.repulsion.hasOwnProperty(prop)) { + this.constants.physics.repulsion[prop] = options.physics.repulsion[prop]; + } + } + } + } + + if (options.hierarchicalLayout) { + this.constants.hierarchicalLayout.enabled = true; + for (prop in options.hierarchicalLayout) { + if (options.hierarchicalLayout.hasOwnProperty(prop)) { + this.constants.hierarchicalLayout[prop] = options.hierarchicalLayout[prop]; + } + } + } + else if (options.hierarchicalLayout !== undefined) { + this.constants.hierarchicalLayout.enabled = false; + } + + if (options.clustering) { + this.constants.clustering.enabled = true; + for (prop in options.clustering) { + if (options.clustering.hasOwnProperty(prop)) { + this.constants.clustering[prop] = options.clustering[prop]; + } + } + } + else if (options.clustering !== undefined) { + this.constants.clustering.enabled = false; + } + + if (options.navigation) { + this.constants.navigation.enabled = true; + for (prop in options.navigation) { + if (options.navigation.hasOwnProperty(prop)) { + this.constants.navigation[prop] = options.navigation[prop]; + } + } + } + else if (options.navigation !== undefined) { + this.constants.navigation.enabled = false; + } + + if (options.keyboard) { + this.constants.keyboard.enabled = true; + for (prop in options.keyboard) { + if (options.keyboard.hasOwnProperty(prop)) { + this.constants.keyboard[prop] = options.keyboard[prop]; + } + } + } + else if (options.keyboard !== undefined) { + this.constants.keyboard.enabled = false; + } + + if (options.dataManipulation) { + this.constants.dataManipulation.enabled = true; + for (prop in options.dataManipulation) { + if (options.dataManipulation.hasOwnProperty(prop)) { + this.constants.dataManipulation[prop] = options.dataManipulation[prop]; + } + } + } + else if (options.dataManipulation !== undefined) { + this.constants.dataManipulation.enabled = false; + } + + // TODO: work out these options and document them + if (options.edges) { + for (prop in options.edges) { + if (options.edges.hasOwnProperty(prop)) { + if (typeof options.edges[prop] != "object") { + this.constants.edges[prop] = options.edges[prop]; + } + } + } + + 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; + } + 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.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;} + } + } + + // Added to support dashed lines + // David Jordan + // 2012-08-08 + if (options.edges.dash) { + if (options.edges.dash.length !== undefined) { + this.constants.edges.dash.length = options.edges.dash.length; + } + if (options.edges.dash.gap !== undefined) { + this.constants.edges.dash.gap = options.edges.dash.gap; + } + if (options.edges.dash.altLength !== undefined) { + this.constants.edges.dash.altLength = options.edges.dash.altLength; + } + } + } + + if (options.nodes) { + for (prop in options.nodes) { + if (options.nodes.hasOwnProperty(prop)) { + this.constants.nodes[prop] = options.nodes[prop]; + } + } + + if (options.nodes.color) { + this.constants.nodes.color = util.parseColor(options.nodes.color); + } + + /* + if (options.nodes.widthMin) this.constants.nodes.radiusMin = options.nodes.widthMin; + if (options.nodes.widthMax) this.constants.nodes.radiusMax = options.nodes.widthMax; + */ + } + if (options.groups) { + for (var groupname in options.groups) { + if (options.groups.hasOwnProperty(groupname)) { + var group = options.groups[groupname]; + this.groups.add(groupname, group); + } + } + } + + if (options.tooltip) { + for (prop in options.tooltip) { + if (options.tooltip.hasOwnProperty(prop)) { + this.constants.tooltip[prop] = options.tooltip[prop]; + } + } + if (options.tooltip.color) { + this.constants.tooltip.color = util.parseColor(options.tooltip.color); + } + } + } + + + // (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.width, this.height); + this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2); + this._setScale(1); + this._redraw(); +}; + +/** + * Create the main frame for the Graph. + * This function is executed once when a Graph object is created. The frame + * contains a canvas, and this canvas contains all objects like the axis and + * nodes. + * @private + */ +Graph.prototype._create = function () { + // remove all elements from the container element. + while (this.containerElement.hasChildNodes()) { + this.containerElement.removeChild(this.containerElement.firstChild); + } + + this.frame = document.createElement('div'); + this.frame.className = 'graph-frame'; + 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); + } + + 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) ); + + // add the frame to the container element + this.containerElement.appendChild(this.frame); + +}; + + +/** + * Binding the keys for keyboard navigation. These functions are defined in the NavigationMixin + * @private + */ +Graph.prototype._createKeyBinds = function() { + var me = this; + this.mousetrap = mousetrap; + + this.mousetrap.reset(); + + if (this.constants.keyboard.enabled == true) { + 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)); + } +}; + +/** + * Get the pointer location from a touch location + * @param {{pageX: Number, pageY: Number}} touch + * @return {{x: Number, y: Number}} pointer + * @private + */ +Graph.prototype._getPointer = function (touch) { + return { + x: touch.pageX - vis.util.getAbsoluteLeft(this.frame.canvas), + y: touch.pageY - vis.util.getAbsoluteTop(this.frame.canvas) + }; +}; + +/** + * On start of a touch gesture, store the pointer + * @param event + * @private + */ +Graph.prototype._onTouch = function (event) { + this.drag.pointer = this._getPointer(event.gesture.center); + this.drag.pinched = false; + this.pinch.scale = this._getScale(); + + this._handleTouch(this.drag.pointer); +}; + +/** + * handle drag start event + * @private + */ +Graph.prototype._onDragStart = function () { + this._handleDragStart(); +}; + + +/** + * This function is called by _onDragStart. + * It is separated out because we can then overload it for the datamanipulation system. + * + * @private + */ +Graph.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; + + if (node != null) { + drag.nodeId = node.id; + // select the clicked node if not yet selected + if (!node.isSelected()) { + this._selectObject(node,false); + } + + // 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 + }; + + object.xFixed = true; + object.yFixed = true; + + drag.selection.push(s); + } + } + } +}; + + +/** + * handle drag event + * @private + */ +Graph.prototype._onDrag = function (event) { + this._handleOnDrag(event) +}; + + +/** + * This function is called by _onDrag. + * It is separated out because we can then overload it for the datamanipulation system. + * + * @private + */ +Graph.prototype._handleOnDrag = function(event) { + if (this.drag.pinched) { + return; + } + + var pointer = this._getPointer(event.gesture.center); + + var me = this, + drag = this.drag, + selection = drag.selection; + if (selection && selection.length) { + // calculate delta's and new location + var deltaX = pointer.x - drag.pointer.x, + deltaY = pointer.y - drag.pointer.y; + + // update position of all selected nodes + selection.forEach(function (s) { + var node = s.node; + + if (!s.xFixed) { + node.x = me._canvasToX(me._xToCanvas(s.x) + deltaX); + } + + if (!s.yFixed) { + node.y = me._canvasToY(me._yToCanvas(s.y) + deltaY); + } + }); + + // start _animationStep if not yet running + if (!this.moving) { + this.moving = true; + this.start(); + } + } + else { + // move the graph + 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.moved = true; + } +}; + +/** + * handle drag start event + * @private + */ +Graph.prototype._onDragEnd = function () { + this.drag.dragging = false; + var selection = this.drag.selection; + if (selection) { + selection.forEach(function (s) { + // restore original xFixed and yFixed + s.node.xFixed = s.xFixed; + s.node.yFixed = s.yFixed; + }); + } +}; + +/** + * handle tap/click event: select/unselect a node + * @private + */ +Graph.prototype._onTap = function (event) { + var pointer = this._getPointer(event.gesture.center); + this.pointerPosition = pointer; + this._handleTap(pointer); + +}; + + +/** + * handle doubletap event + * @private + */ +Graph.prototype._onDoubleTap = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleDoubleTap(pointer); +}; + + +/** + * handle long tap event: multi select nodes + * @private + */ +Graph.prototype._onHold = function (event) { + var pointer = this._getPointer(event.gesture.center); + this.pointerPosition = pointer; + this._handleOnHold(pointer); +}; + +/** + * handle the release of the screen + * + * @private + */ +Graph.prototype._onRelease = function (event) { + var pointer = this._getPointer(event.gesture.center); + this._handleOnRelease(pointer); +}; + +/** + * Handle pinch event + * @param event + * @private + */ +Graph.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 graph 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 + */ +Graph.prototype._zoom = function(scale, pointer) { + var scaleOld = this._getScale(); + if (scale < 0.00001) { + scale = 0.00001; + } + if (scale > 10) { + scale = 10; + } +// + this.frame.canvas.clientHeight / 2 + var translation = this._getTranslation(); + + var scaleFrac = scale / scaleOld; + var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; + var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac; + + this.areaCenter = {"x" : this._canvasToX(pointer.x), + "y" : this._canvasToY(pointer.y)}; + + this._setScale(scale); + this._setTranslation(tx, ty); + this.updateClustersDefault(); + this._redraw(); + + + return scale; +}; + + +/** + * 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 + */ +Graph.prototype._onMouseWheel = function(event) { + // retrieve delta + var delta = 0; + if (event.wheelDelta) { /* IE/Opera. */ + delta = event.wheelDelta/120; + } else if (event.detail) { /* Mozilla case. */ + // In Mozilla, sign of delta is different than in IE. + // Also, delta is multiple of 3. + delta = -event.detail/3; + } + + // If delta is nonzero, handle it. + // Basically, delta is now positive if wheel was scrolled up, + // and negative, if wheel was scrolled down. + if (delta) { + + // calculate the new scale + var scale = this._getScale(); + var zoom = delta / 10; + if (delta < 0) { + zoom = zoom / (1 - zoom); + } + scale *= (1 + zoom); + + // calculate the pointer location + var gesture = util.fakeGesture(this, event); + var pointer = this._getPointer(gesture.center); + + // apply the new scale + this._zoom(scale, pointer); + } + + // Prevent default actions caused by mouse wheel. + event.preventDefault(); +}; + + +/** + * Mouse move handler for checking whether the title moves over a node with a title. + * @param {Event} event + * @private + */ +Graph.prototype._onMouseMoveTitle = function (event) { + var gesture = util.fakeGesture(this, event); + var pointer = this._getPointer(gesture.center); + + // check if the previously selected node is still selected + if (this.popupNode) { + this._checkHidePopup(pointer); + } + + // start a timeout that will check if the mouse is positioned above + // an element + var me = this; + var checkShow = function() { + me._checkShowPopup(pointer); + }; + if (this.popupTimer) { + clearInterval(this.popupTimer); // stop any running calculationTimer + } + if (!this.drag.dragging) { + this.popupTimer = setTimeout(checkShow, this.constants.tooltip.delay); + } +}; + +/** + * Check if there is an element on the given position in the graph + * (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 + */ +Graph.prototype._checkShowPopup = function (pointer) { + var obj = { + left: this._canvasToX(pointer.x), + top: this._canvasToY(pointer.y), + right: this._canvasToX(pointer.x), + bottom: this._canvasToY(pointer.y) + }; + + var id; + var lastPopupNode = this.popupNode; + + if (this.popupNode == 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.popupNode = node; + break; + } + } + } + } + + if (this.popupNode === 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.popupNode = edge; + break; + } + } + } + } + + if (this.popupNode) { + // show popup message window + if (this.popupNode != lastPopupNode) { + var me = this; + if (!me.popup) { + me.popup = new Popup(me.frame, me.constants.tooltip); + } + + // adjust a small offset such that the mouse cursor is located in the + // bottom left location of the popup, and you can easily move over the + // popup area + me.popup.setPosition(pointer.x - 3, pointer.y - 3); + me.popup.setText(me.popupNode.getTitle()); + me.popup.show(); + } + } + else { + if (this.popup) { + this.popup.hide(); + } + } +}; + + +/** + * 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 + */ +Graph.prototype._checkHidePopup = function (pointer) { + if (!this.popupNode || !this._getNodeAt(pointer) ) { + this.popupNode = undefined; + if (this.popup) { + this.popup.hide(); + } + } +}; + + +/** + * 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%') + */ +Graph.prototype.setSize = function(width, height) { + this.frame.style.width = width; + this.frame.style.height = height; + + this.frame.canvas.style.width = '100%'; + this.frame.canvas.style.height = '100%'; + + this.frame.canvas.width = this.frame.canvas.clientWidth; + this.frame.canvas.height = this.frame.canvas.clientHeight; + + if (this.manipulationDiv !== undefined) { + this.manipulationDiv.style.width = this.frame.canvas.clientWidth + "px"; + } + if (this.navigationDivs !== undefined) { + if (this.navigationDivs['wrapper'] !== undefined) { + this.navigationDivs['wrapper'].style.width = this.frame.canvas.clientWidth + "px"; + this.navigationDivs['wrapper'].style.height = this.frame.canvas.clientHeight + "px"; + } + } + + this.emit('resize', {width:this.frame.canvas.width,height:this.frame.canvas.height}); +}; + +/** + * Set a data set with nodes for the graph + * @param {Array | DataSet | DataView} nodes The data containing the nodes. + * @private + */ +Graph.prototype._setNodes = function(nodes) { + var oldNodesData = this.nodesData; + + if (nodes instanceof DataSet || nodes instanceof DataView) { + this.nodesData = nodes; + } + else if (nodes instanceof Array) { + this.nodesData = new DataSet(); + this.nodesData.add(nodes); + } + else if (!nodes) { + this.nodesData = new DataSet(); + } + else { + throw new TypeError('Array or DataSet expected'); + } + + if (oldNodesData) { + // unsubscribe from old dataset + util.forEach(this.nodesListeners, function (callback, event) { + oldNodesData.off(event, callback); + }); + } + + // remove drawn nodes + this.nodes = {}; + + if (this.nodesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.nodesListeners, function (callback, event) { + me.nodesData.on(event, callback); + }); + + // draw all new nodes + var ids = this.nodesData.getIds(); + this._addNodes(ids); + } + this._updateSelection(); +}; + +/** + * Add nodes + * @param {Number[] | String[]} ids + * @private + */ +Graph.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; + var angle = 2 * Math.PI * Math.random(); + if (node.xFixed == false) {node.x = radius * Math.cos(angle);} + if (node.yFixed == false) {node.y = radius * Math.sin(angle);} + } + this.moving = true; + } + this._updateNodeIndexList(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); + this._reconnectEdges(); + this._updateValueRange(this.nodes); + this.updateLabels(); +}; + +/** + * Update existing nodes, or create them when not yet existing + * @param {Number[] | String[]} ids + * @private + */ +Graph.prototype._updateNodes = function(ids) { + var nodes = this.nodes, + nodesData = this.nodesData; + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; + var node = nodes[id]; + var data = nodesData.get(id); + 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._reconnectEdges(); + this._updateValueRange(nodes); +}; + +/** + * Remove existing nodes. If nodes do not exist, the method will just ignore it. + * @param {Number[] | String[]} ids + * @private + */ +Graph.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); +}; + +/** + * Load edges by reading the data table + * @param {Array | DataSet | DataView} edges The data containing the edges. + * @private + * @private + */ +Graph.prototype._setEdges = function(edges) { + var oldEdgesData = this.edgesData; + + if (edges instanceof DataSet || edges instanceof DataView) { + this.edgesData = edges; + } + else if (edges instanceof Array) { + this.edgesData = new DataSet(); + this.edgesData.add(edges); + } + else if (!edges) { + this.edgesData = new DataSet(); + } + else { + throw new TypeError('Array or DataSet expected'); + } + + if (oldEdgesData) { + // unsubscribe from old dataset + util.forEach(this.edgesListeners, function (callback, event) { + oldEdgesData.off(event, callback); + }); + } + + // remove drawn edges + this.edges = {}; + + if (this.edgesData) { + // subscribe to new dataset + var me = this; + util.forEach(this.edgesListeners, function (callback, event) { + me.edgesData.on(event, callback); + }); + + // draw all new nodes + var ids = this.edgesData.getIds(); + this._addEdges(ids); + } + + this._reconnectEdges(); +}; + +/** + * Add edges + * @param {Number[] | String[]} ids + * @private + */ +Graph.prototype._addEdges = function (ids) { + var edges = this.edges, + edgesData = this.edgesData; + + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; + + var oldEdge = edges[id]; + if (oldEdge) { + oldEdge.disconnect(); + } + + var data = edgesData.get(id, {"showInternalIds" : true}); + edges[id] = new Edge(data, this, this.constants); + } + + this.moving = true; + this._updateValueRange(edges); + this._createBezierNodes(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this._updateCalculationNodes(); +}; + +/** + * Update existing edges, or create them when not yet existing + * @param {Number[] | String[]} ids + * @private + */ +Graph.prototype._updateEdges = function (ids) { + var edges = this.edges, + edgesData = this.edgesData; + for (var i = 0, len = ids.length; i < len; i++) { + var id = ids[i]; + + var data = edgesData.get(id); + var edge = edges[id]; + if (edge) { + // update edge + edge.disconnect(); + edge.setProperties(data, this.constants); + edge.connect(); + } + else { + // create edge + edge = new Edge(data, this, this.constants); + this.edges[id] = edge; + } + } + + this._createBezierNodes(); + if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { + this._resetLevels(); + this._setupHierarchicalLayout(); + } + this.moving = true; + this._updateValueRange(edges); +}; + +/** + * Remove existing edges. Non existing ids will be ignored + * @param {Number[] | String[]} ids + * @private + */ +Graph.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]; + } + } + + 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 + */ +Graph.prototype._reconnectEdges = function() { + var id, + nodes = this.nodes, + edges = this.edges; + for (id in nodes) { + if (nodes.hasOwnProperty(id)) { + nodes[id].edges = []; + } + } + + for (id in edges) { + if (edges.hasOwnProperty(id)) { + var edge = edges[id]; + edge.from = null; + edge.to = null; + edge.connect(); + } + } +}; + +/** + * Update the values of all object in the given array according to the current + * value range of the objects in the array. + * @param {Object} obj An object containing a set of Edges or Nodes + * The objects must have a method getValue() and + * setValueRange(min, max). + * @private + */ +Graph.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); + } + } + } + + // adjust the range of all objects + if (valueMin !== undefined && valueMax !== undefined) { + for (id in obj) { + if (obj.hasOwnProperty(id)) { + obj[id].setValueRange(valueMin, valueMax); + } + } + } +}; + +/** + * Redraw the graph with the current data + * chart will be resized too. + */ +Graph.prototype.redraw = function() { + this.setSize(this.width, this.height); + + this._redraw(); +}; + +/** + * Redraw the graph with the current data + * @private + */ +Graph.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._canvasToX(0), + "y": this._canvasToY(0) + }; + this.canvasBottomRight = { + "x": this._canvasToX(this.frame.canvas.clientWidth), + "y": this._canvasToY(this.frame.canvas.clientHeight) + }; + + this._doInAllSectors("_drawAllSectorNodes",ctx); + this._doInAllSectors("_drawEdges",ctx); + this._doInAllSectors("_drawNodes",ctx,false); + +// this._doInSupportSector("_drawNodes",ctx,true); +// this._drawTree(ctx,"#F00F0F"); + + // restore original scaling and translation + ctx.restore(); +}; + +/** + * Set the translation of the graph + * @param {Number} offsetX Horizontal offset + * @param {Number} offsetY Vertical offset + * @private + */ +Graph.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; + } +}; + +/** + * Get the translation of the graph + * @return {Object} translation An object with parameters x and y, both a number + * @private + */ +Graph.prototype._getTranslation = function() { + return { + x: this.translation.x, + y: this.translation.y + }; +}; + +/** + * Scale the graph + * @param {Number} scale Scaling factor 1.0 is unscaled + * @private + */ +Graph.prototype._setScale = function(scale) { + this.scale = scale; +}; + +/** + * Get the current scale of the graph + * @return {Number} scale Scaling factor 1.0 is unscaled + * @private + */ +Graph.prototype._getScale = function() { + return this.scale; +}; + +/** + * Convert a horizontal point on the HTML canvas to the x-value of the model + * @param {number} x + * @returns {number} + * @private + */ +Graph.prototype._canvasToX = function(x) { + return (x - this.translation.x) / this.scale; +}; + +/** + * Convert an x-value in the model to a horizontal point on the HTML canvas + * @param {number} x + * @returns {number} + * @private + */ +Graph.prototype._xToCanvas = function(x) { + return x * this.scale + this.translation.x; +}; + +/** + * Convert a vertical point on the HTML canvas to the y-value of the model + * @param {number} y + * @returns {number} + * @private + */ +Graph.prototype._canvasToY = function(y) { + return (y - this.translation.y) / this.scale; +}; + +/** + * Convert an y-value in the model to a vertical point on the HTML canvas + * @param {number} y + * @returns {number} + * @private + */ +Graph.prototype._yToCanvas = function(y) { + return y * this.scale + this.translation.y ; +}; + +/** + * Redraw all nodes + * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); + * @param {CanvasRenderingContext2D} ctx + * @param {Boolean} [alwaysShow] + * @private + */ +Graph.prototype._drawNodes = function(ctx,alwaysShow) { + if (alwaysShow === undefined) { + alwaysShow = false; + } + + // first draw the unselected nodes + var nodes = this.nodes; + var selected = []; + + for (var id in nodes) { + if (nodes.hasOwnProperty(id)) { + nodes[id].setScaleAndPos(this.scale,this.canvasTopLeft,this.canvasBottomRight); + if (nodes[id].isSelected()) { + selected.push(id); + } + else { + if (nodes[id].inArea() || alwaysShow) { + nodes[id].draw(ctx); + } + } + } + } + + // draw the selected nodes on top + for (var s = 0, sMax = selected.length; s < sMax; s++) { + if (nodes[selected[s]].inArea() || alwaysShow) { + nodes[selected[s]].draw(ctx); + } + } +}; + +/** + * Redraw all edges + * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); + * @param {CanvasRenderingContext2D} ctx + * @private + */ +Graph.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); + } + } + } +}; + +/** + * Find a stable position for all nodes + * @private + */ +Graph.prototype._stabilize = function() { + if (this.constants.freezeForStabilization == true) { + this._freezeDefinedNodes(); + } + + // find stable position + var count = 0; + while (this.moving && count < this.constants.stabilizationIterations) { + this._physicsTick(); + count++; + } + this.zoomExtent(false,true); + if (this.constants.freezeForStabilization == true) { + this._restoreFrozenNodes(); + } + this.emit("stabilized",{iterations:count}); +}; + + +Graph.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; + } + } + } +}; + +Graph.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 + */ +Graph.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; +}; + + +/** + * /** + * Perform one discrete step for all nodes + * + * @private + */ +Graph.prototype._discreteStepNodes = function() { + var interval = this.physicsDiscreteStepsize; + var nodes = this.nodes; + var nodeId; + var nodesPresent = false; + + if (this.constants.maxVelocity > 0) { + for (nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + nodes[nodeId].discreteStepLimited(interval, this.constants.maxVelocity); + nodesPresent = true; + } + } + } + else { + for (nodeId in nodes) { + if (nodes.hasOwnProperty(nodeId)) { + nodes[nodeId].discreteStep(interval); + nodesPresent = true; + } + } + } + + if (nodesPresent == true) { + var vminCorrected = this.constants.minVelocity / Math.max(this.scale,0.05); + if (vminCorrected > 0.5*this.constants.maxVelocity) { + this.moving = true; + } + else { + this.moving = this._isMoving(vminCorrected); + } + } +}; + + +Graph.prototype._physicsTick = function() { + if (!this.freezeSimulation) { + if (this.moving) { + this._doInAllActiveSectors("_initializeForceCalculation"); + this._doInAllActiveSectors("_discreteStepNodes"); + if (this.constants.smoothCurves) { + this._doInSupportSector("_discreteStepNodes"); + } + this._findCenter(this._getRange()) + } + } +}; + + +/** + * 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 + */ +Graph.prototype._animationStep = function() { + // reset the timer so a new scheduled animation step can be set + this.timer = undefined; + // handle the keyboad movement + this._handleNavigation(); + + // this schedules a new animation step + this.start(); + + // start the physics simulation + var calculationTime = Date.now(); + var maxSteps = 1; + this._physicsTick(); + var timeRequired = Date.now() - calculationTime; + while (timeRequired < (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; +}; + +if (typeof window !== 'undefined') { + window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || + window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; +} + +/** + * Schedule a animation step with the refreshrate interval. + */ +Graph.prototype.start = function() { + if (this.moving || this.xIncrement != 0 || this.yIncrement != 0 || this.zoomIncrement != 0) { + if (!this.timer) { + var ua = navigator.userAgent.toLowerCase(); + + 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; + } + } + + 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(); + } +}; + + +/** + * Move the graph according to the keyboard presses. + * + * @private + */ +Graph.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); + } +}; + + +/** + * Freeze the _animationStep + */ +Graph.prototype.toggleFreeze = function() { + if (this.freezeSimulation == false) { + this.freezeSimulation = true; + } + else { + this.freezeSimulation = false; + this.start(); + } +}; + + + +Graph.prototype._configureSmoothCurves = function(disableStart) { + if (disableStart === undefined) { + disableStart = true; + } + + if (this.constants.smoothCurves == true) { + this._createBezierNodes(); + } + else { + // delete the support nodes + this.sectors['support']['nodes'] = {}; + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + this.edges[edgeId].smooth = false; + this.edges[edgeId].via = null; + } + } + } + this._updateCalculationNodes(); + if (!disableStart) { + this.moving = true; + this.start(); + } +}; + +Graph.prototype._createBezierNodes = function() { + if (this.constants.smoothCurves == true) { + for (var edgeId in this.edges) { + if (this.edges.hasOwnProperty(edgeId)) { + var edge = this.edges[edgeId]; + if (edge.via == null) { + edge.smooth = true; + 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(); + } + } + } + } +}; + + +Graph.prototype._initializeMixinLoaders = function () { + for (var mixinFunction in graphMixinLoaders) { + if (graphMixinLoaders.hasOwnProperty(mixinFunction)) { + Graph.prototype[mixinFunction] = graphMixinLoaders[mixinFunction]; + } + } +}; + +/** + * Load the XY positions of the nodes into the dataset. + */ +Graph.prototype.storePosition = 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); +}; + + + + + + + + + + + + + +/** + * vis.js module exports + */ +var vis = { + util: util, + + DataSet: DataSet, + DataView: DataView, + Range: Range, + Stack: Stack, + TimeStep: TimeStep, + + components: { + items: { + Item: Item, + ItemBox: ItemBox, + ItemPoint: ItemPoint, + ItemRange: ItemRange + }, + + Component: Component, + Panel: Panel, + RootPanel: RootPanel, + ItemSet: ItemSet, + TimeAxis: TimeAxis + }, + + graph: { + Node: Node, + Edge: Edge, + Popup: Popup, + Groups: Groups, + Images: Images + }, + + Timeline: Timeline, + Graph: Graph +}; + +/** + * CommonJS module exports + */ +if (typeof exports !== 'undefined') { + exports = vis; +} +if (typeof module !== 'undefined' && typeof module.exports !== 'undefined') { + module.exports = vis; +} + +/** + * AMD module exports + */ +if (typeof(define) === 'function') { + define(function () { + return vis; + }); +} + +/** + * Window exports + */ +if (typeof window !== 'undefined') { + // attach the module to the window, load as a regular javascript file + window['vis'] = vis; +} + diff --git a/dist/vis.min.css b/dist/vis.min.css index 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2014-04-22 * * @license * Copyright (C) 2011-2014 Almende B.V, http://almende.com @@ -22,12 +22,12 @@ * License for the specific language governing permissions and limitations under * the License. */ -!function(t){if("object"==typeof exports)module.exports=t();else if("function"==typeof define&&define.amd)define(t);else{var e;"undefined"!=typeof window?e=window:"undefined"!=typeof global?e=global:"undefined"!=typeof self&&(e=self),e.vis=t()}}(function(){var define,module,exports;return function t(e,i,s){function n(r,a){if(!i[r]){if(!e[r]){var h="function"==typeof require&&require;if(!a&&h)return h(r,!0);if(o)return o(r,!0);throw new Error("Cannot find module '"+r+"'")}var d=i[r]={exports:{}};e[r][0].call(d.exports,function(t){var i=e[r][1][t];return n(i?i:t)},d,d.exports,t,e,i,s)}return i[r].exports}for(var o="function"==typeof require&&require,r=0;ri;++i)t.call(e||this,this[i],i,this)}),Array.prototype.map||(Array.prototype.map=function(t,e){var i,s,n;if(null==this)throw new TypeError(" this is null or not defined");var o=Object(this),r=o.length>>>0;if("function"!=typeof t)throw new TypeError(t+" is not a function");for(e&&(i=e),s=new Array(r),n=0;r>n;){var a,h;n in o&&(a=o[n],h=t.call(i,a,n,o),s[n]=h),n++}return s}),Array.prototype.filter||(Array.prototype.filter=function(t){"use strict";if(null==this)throw new TypeError;var e=Object(this),i=e.length>>>0;if("function"!=typeof t)throw new TypeError;for(var s=[],n=arguments[1],o=0;i>o;o++)if(o in e){var r=e[o];t.call(n,r,o,e)&&s.push(r)}return s}),Object.keys||(Object.keys=function(){var t=Object.prototype.hasOwnProperty,e=!{toString:null}.propertyIsEnumerable("toString"),i=["toString","toLocaleString","valueOf","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","constructor"],s=i.length;return function(n){if("object"!=typeof n&&"function"!=typeof n||null===n)throw new TypeError("Object.keys called on non-object");var o=[];for(var r in n)t.call(n,r)&&o.push(r);if(e)for(var a=0;s>a;a++)t.call(n,i[a])&&o.push(i[a]);return o}}()),Array.isArray||(Array.isArray=function(t){return"[object Array]"===Object.prototype.toString.call(t)}),Function.prototype.bind||(Function.prototype.bind=function(t){if("function"!=typeof this)throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");var e=Array.prototype.slice.call(arguments,1),i=this,s=function(){},n=function(){return i.apply(this instanceof s&&t?this:t,e.concat(Array.prototype.slice.call(arguments)))};return s.prototype=this.prototype,n.prototype=new s,n}),Object.create||(Object.create=function(t){function e(){}if(arguments.length>1)throw new Error("Object.create implementation only accepts the first parameter.");return e.prototype=t,new e}),Function.prototype.bind||(Function.prototype.bind=function(t){if("function"!=typeof this)throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");var e=Array.prototype.slice.call(arguments,1),i=this,s=function(){},n=function(){return i.apply(this instanceof s&&t?this:t,e.concat(Array.prototype.slice.call(arguments)))};return s.prototype=this.prototype,n.prototype=new s,n});var util={};util.isNumber=function(t){return t instanceof Number||"number"==typeof t},util.isString=function(t){return t instanceof String||"string"==typeof t},util.isDate=function(t){if(t instanceof Date)return!0;if(util.isString(t)){var e=ASPDateRegex.exec(t);if(e)return!0;if(!isNaN(Date.parse(t)))return!0}return!1},util.isDataTable=function(t){return"undefined"!=typeof google&&google.visualization&&google.visualization.DataTable&&t instanceof google.visualization.DataTable},util.randomUUID=function(){var t=function(){return Math.floor(65536*Math.random()).toString(16)};return t()+t()+"-"+t()+"-"+t()+"-"+t()+"-"+t()+t()+t()},util.extend=function(t){for(var e=1,i=arguments.length;i>e;e++){var s=arguments[e];for(var n in s)s.hasOwnProperty(n)&&void 0!==s[n]&&(t[n]=s[n])}return t},util.convert=function(t,e){var i;if(void 0===t)return void 0;if(null===t)return null;if(!e)return t;if("string"!=typeof e&&!(e instanceof String))throw new Error("Type must be a string");switch(e){case"boolean":case"Boolean":return Boolean(t);case"number":case"Number":return Number(t.valueOf());case"string":case"String":return String(t);case"Date":if(util.isNumber(t))return new Date(t);if(t instanceof Date)return new Date(t.valueOf());if(moment.isMoment(t))return new Date(t.valueOf());if(util.isString(t))return i=ASPDateRegex.exec(t),i?new Date(Number(i[1])):moment(t).toDate();throw new Error("Cannot convert object of type "+util.getType(t)+" to type Date");case"Moment":if(util.isNumber(t))return moment(t);if(t instanceof Date)return moment(t.valueOf());if(moment.isMoment(t))return moment(t);if(util.isString(t))return i=ASPDateRegex.exec(t),moment(i?Number(i[1]):t);throw new Error("Cannot convert object of type "+util.getType(t)+" to type Date");case"ISODate":if(util.isNumber(t))return new Date(t);if(t instanceof Date)return t.toISOString();if(moment.isMoment(t))return t.toDate().toISOString();if(util.isString(t))return i=ASPDateRegex.exec(t),i?new Date(Number(i[1])).toISOString():new Date(t).toISOString();throw new Error("Cannot convert object of type "+util.getType(t)+" to type ISODate");case"ASPDate":if(util.isNumber(t))return"/Date("+t+")/";if(t instanceof Date)return"/Date("+t.valueOf()+")/";if(util.isString(t)){i=ASPDateRegex.exec(t);var s;return s=i?new Date(Number(i[1])).valueOf():new Date(t).valueOf(),"/Date("+s+")/"}throw new Error("Cannot convert object of type "+util.getType(t)+" to type ASPDate");default:throw new Error("Cannot convert object of type "+util.getType(t)+' to type "'+e+'"')}};var ASPDateRegex=/^\/?Date\((\-?\d+)/i;util.getType=function(t){var e=typeof t;return"object"==e?null==t?"null":t instanceof Boolean?"Boolean":t instanceof Number?"Number":t instanceof String?"String":t instanceof Array?"Array":t instanceof Date?"Date":"Object":"number"==e?"Number":"boolean"==e?"Boolean":"string"==e?"String":e},util.getAbsoluteLeft=function(t){for(var e=document.documentElement,i=document.body,s=t.offsetLeft,n=t.offsetParent;null!=n&&n!=i&&n!=e;)s+=n.offsetLeft,s-=n.scrollLeft,n=n.offsetParent;return s},util.getAbsoluteTop=function(t){for(var e=document.documentElement,i=document.body,s=t.offsetTop,n=t.offsetParent;null!=n&&n!=i&&n!=e;)s+=n.offsetTop,s-=n.scrollTop,n=n.offsetParent;return s},util.getPageY=function(t){if("pageY"in t)return t.pageY;var e;e="targetTouches"in t&&t.targetTouches.length?t.targetTouches[0].clientY:t.clientY;var i=document.documentElement,s=document.body;return e+(i&&i.scrollTop||s&&s.scrollTop||0)-(i&&i.clientTop||s&&s.clientTop||0)},util.getPageX=function(t){if("pageY"in t)return t.pageX;var e;e="targetTouches"in t&&t.targetTouches.length?t.targetTouches[0].clientX:t.clientX;var i=document.documentElement,s=document.body;return e+(i&&i.scrollLeft||s&&s.scrollLeft||0)-(i&&i.clientLeft||s&&s.clientLeft||0)},util.addClassName=function(t,e){var i=t.className.split(" ");-1==i.indexOf(e)&&(i.push(e),t.className=i.join(" "))},util.removeClassName=function(t,e){var i=t.className.split(" "),s=i.indexOf(e);-1!=s&&(i.splice(s,1),t.className=i.join(" "))},util.forEach=function(t,e){var i,s;if(t instanceof Array)for(i=0,s=t.length;s>i;i++)e(t[i],i,t);else for(i in t)t.hasOwnProperty(i)&&e(t[i],i,t)},util.updateProperty=function(t,e,i){return t[e]!==i?(t[e]=i,!0):!1},util.addEventListener=function(t,e,i,s){t.addEventListener?(void 0===s&&(s=!1),"mousewheel"===e&&navigator.userAgent.indexOf("Firefox")>=0&&(e="DOMMouseScroll"),t.addEventListener(e,i,s)):t.attachEvent("on"+e,i)},util.removeEventListener=function(t,e,i,s){t.removeEventListener?(void 0===s&&(s=!1),"mousewheel"===e&&navigator.userAgent.indexOf("Firefox")>=0&&(e="DOMMouseScroll"),t.removeEventListener(e,i,s)):t.detachEvent("on"+e,i)},util.getTarget=function(t){t||(t=window.event);var e;return t.target?e=t.target:t.srcElement&&(e=t.srcElement),void 0!=e.nodeType&&3==e.nodeType&&(e=e.parentNode),e},util.fakeGesture=function(t,e){var i=null,s=Hammer.event.collectEventData(this,i,e);return isNaN(s.center.pageX)&&(s.center.pageX=e.pageX),isNaN(s.center.pageY)&&(s.center.pageY=e.pageY),s},util.option={},util.option.asBoolean=function(t,e){return"function"==typeof t&&(t=t()),null!=t?0!=t:e||null},util.option.asNumber=function(t,e){return"function"==typeof t&&(t=t()),null!=t?Number(t)||e||null:e||null},util.option.asString=function(t,e){return"function"==typeof t&&(t=t()),null!=t?String(t):e||null},util.option.asSize=function(t,e){return"function"==typeof t&&(t=t()),util.isString(t)?t:util.isNumber(t)?t+"px":e||null},util.option.asElement=function(t,e){return"function"==typeof t&&(t=t()),t||e||null},util.GiveDec=function GiveDec(Hex){return Value="A"==Hex?10:"B"==Hex?11:"C"==Hex?12:"D"==Hex?13:"E"==Hex?14:"F"==Hex?15:eval(Hex)},util.GiveHex=function(t){return Value=10==t?"A":11==t?"B":12==t?"C":13==t?"D":14==t?"E":15==t?"F":""+t},util.parseColor=function(t){var e;if(util.isString(t))if(util.isValidHex(t)){var i=util.hexToHSV(t),s={h:i.h,s:.45*i.s,v:Math.min(1,1.05*i.v)},n={h:i.h,s:Math.min(1,1.25*i.v),v:.6*i.v},o=util.HSVToHex(n.h,n.h,n.v),r=util.HSVToHex(s.h,s.s,s.v);e={background:t,border:o,highlight:{background:r,border:o}}}else e={background:t,border:t,highlight:{background:t,border:t}};else e={},e.background=t.background||"white",e.border=t.border||e.background,util.isString(t.highlight)?e.highlight={border:t.highlight,background:t.highlight}:(e.highlight={},e.highlight.background=t.highlight&&t.highlight.background||e.background,e.highlight.border=t.highlight&&t.highlight.border||e.border);return e},util.hexToRGB=function(t){t=t.replace("#","").toUpperCase();var e=util.GiveDec(t.substring(0,1)),i=util.GiveDec(t.substring(1,2)),s=util.GiveDec(t.substring(2,3)),n=util.GiveDec(t.substring(3,4)),o=util.GiveDec(t.substring(4,5)),r=util.GiveDec(t.substring(5,6)),a=16*e+i,h=16*s+n,i=16*o+r;return{r:a,g:h,b:i}},util.RGBToHex=function(t,e,i){var s=util.GiveHex(Math.floor(t/16)),n=util.GiveHex(t%16),o=util.GiveHex(Math.floor(e/16)),r=util.GiveHex(e%16),a=util.GiveHex(Math.floor(i/16)),h=util.GiveHex(i%16),d=s+n+o+r+a+h;return"#"+d},util.RGBToHSV=function(t,e,i){t/=255,e/=255,i/=255; -var s=Math.min(t,Math.min(e,i)),n=Math.max(t,Math.max(e,i));if(s==n)return{h:0,s:0,v:s};var o=t==s?e-i:i==s?t-e:i-t,r=t==s?3:i==s?1:5,a=60*(r-o/(n-s))/360,h=(n-s)/n,d=n;return{h:a,s:h,v:d}},util.HSVToRGB=function(t,e,i){var s,n,o,r=Math.floor(6*t),a=6*t-r,h=i*(1-e),d=i*(1-a*e),c=i*(1-(1-a)*e);switch(r%6){case 0:s=i,n=c,o=h;break;case 1:s=d,n=i,o=h;break;case 2:s=h,n=i,o=c;break;case 3:s=h,n=d,o=i;break;case 4:s=c,n=h,o=i;break;case 5:s=i,n=h,o=d}return{r:Math.floor(255*s),g:Math.floor(255*n),b:Math.floor(255*o)}},util.HSVToHex=function(t,e,i){var s=util.HSVToRGB(t,e,i);return util.RGBToHex(s.r,s.g,s.b)},util.hexToHSV=function(t){var e=util.hexToRGB(t);return util.RGBToHSV(e.r,e.g,e.b)},util.isValidHex=function(t){var e=/(^#[0-9A-F]{6}$)|(^#[0-9A-F]{3}$)/i.test(t);return e},util.copyObject=function(t,e){for(var i in t)t.hasOwnProperty(i)&&("object"==typeof t[i]?(e[i]={},util.copyObject(t[i],e[i])):e[i]=t[i])},DataSet.prototype.on=function(t,e){var i=this.subscribers[t];i||(i=[],this.subscribers[t]=i),i.push({callback:e})},DataSet.prototype.subscribe=DataSet.prototype.on,DataSet.prototype.off=function(t,e){var i=this.subscribers[t];i&&(this.subscribers[t]=i.filter(function(t){return t.callback!=e}))},DataSet.prototype.unsubscribe=DataSet.prototype.off,DataSet.prototype._trigger=function(t,e,i){if("*"==t)throw new Error("Cannot trigger event *");var s=[];t in this.subscribers&&(s=s.concat(this.subscribers[t])),"*"in this.subscribers&&(s=s.concat(this.subscribers["*"]));for(var n=0;no;o++)i=n._addItem(t[o]),s.push(i);else if(util.isDataTable(t))for(var a=this._getColumnNames(t),h=0,d=t.getNumberOfRows();d>h;h++){for(var c={},l=0,u=a.length;u>l;l++){var p=a[l];c[p]=t.getValue(h,l)}i=n._addItem(c),s.push(i)}else{if(!(t instanceof Object))throw new Error("Unknown dataType");i=n._addItem(t),s.push(i)}return s.length&&this._trigger("add",{items:s},e),s},DataSet.prototype.update=function(t,e){var i=[],s=[],n=this,o=n.fieldId,r=function(t){var e=t[o];n.data[e]?(e=n._updateItem(t),s.push(e)):(e=n._addItem(t),i.push(e))};if(t instanceof Array)for(var a=0,h=t.length;h>a;a++)r(t[a]);else if(util.isDataTable(t))for(var d=this._getColumnNames(t),c=0,l=t.getNumberOfRows();l>c;c++){for(var u={},p=0,g=d.length;g>p;p++){var f=d[p];u[f]=t.getValue(c,p)}r(u)}else{if(!(t instanceof Object))throw new Error("Unknown dataType");r(t)}return i.length&&this._trigger("add",{items:i},e),s.length&&this._trigger("update",{items:s},e),i.concat(s)},DataSet.prototype.get=function(){var t,e,i,s,n=this,o=this.showInternalIds,r=util.getType(arguments[0]);"String"==r||"Number"==r?(t=arguments[0],i=arguments[1],s=arguments[2]):"Array"==r?(e=arguments[0],i=arguments[1],s=arguments[2]):(i=arguments[0],s=arguments[1]);var a;if(i&&i.type){if(a="DataTable"==i.type?"DataTable":"Array",s&&a!=util.getType(s))throw new Error('Type of parameter "data" ('+util.getType(s)+") does not correspond with specified options.type ("+i.type+")");if("DataTable"==a&&!util.isDataTable(s))throw new Error('Parameter "data" must be a DataTable when options.type is "DataTable"')}else a=s?"DataTable"==util.getType(s)?"DataTable":"Array":"Array";void 0!=i&&void 0!=i.showInternalIds&&(this.showInternalIds=i.showInternalIds);var h,d,c,l,u=i&&i.convert||this.options.convert,p=i&&i.filter,g=[];if(void 0!=t)h=n._getItem(t,u),p&&!p(h)&&(h=null);else if(void 0!=e)for(c=0,l=e.length;l>c;c++)h=n._getItem(e[c],u),(!p||p(h))&&g.push(h);else for(d in this.data)this.data.hasOwnProperty(d)&&(h=n._getItem(d,u),(!p||p(h))&&g.push(h));if(this.showInternalIds=o,i&&i.order&&void 0==t&&this._sort(g,i.order),i&&i.fields){var f=i.fields;if(void 0!=t)h=this._filterFields(h,f);else for(c=0,l=g.length;l>c;c++)g[c]=this._filterFields(g[c],f)}if("DataTable"==a){var m=this._getColumnNames(s);if(void 0!=t)n._appendRow(s,m,h);else for(c=0,l=g.length;l>c;c++)n._appendRow(s,m,g[c]);return s}if(void 0!=t)return h;if(s){for(c=0,l=g.length;l>c;c++)s.push(g[c]);return s}return g},DataSet.prototype.getIds=function(t){var e,i,s,n,o,r=this.data,a=t&&t.filter,h=t&&t.order,d=t&&t.convert||this.options.convert,c=[];if(a)if(h){o=[];for(s in r)r.hasOwnProperty(s)&&(n=this._getItem(s,d),a(n)&&o.push(n));for(this._sort(o,h),e=0,i=o.length;i>e;e++)c[e]=o[e][this.fieldId]}else for(s in r)r.hasOwnProperty(s)&&(n=this._getItem(s,d),a(n)&&c.push(n[this.fieldId]));else if(h){o=[];for(s in r)r.hasOwnProperty(s)&&o.push(r[s]);for(this._sort(o,h),e=0,i=o.length;i>e;e++)c[e]=o[e][this.fieldId]}else for(s in r)r.hasOwnProperty(s)&&(n=r[s],c.push(n[this.fieldId]));return c},DataSet.prototype.forEach=function(t,e){var i,s,n=e&&e.filter,o=e&&e.convert||this.options.convert,r=this.data;if(e&&e.order)for(var a=this.get(e),h=0,d=a.length;d>h;h++)i=a[h],s=i[this.fieldId],t(i,s);else for(s in r)r.hasOwnProperty(s)&&(i=this._getItem(s,o),(!n||n(i))&&t(i,s))},DataSet.prototype.map=function(t,e){var i,s=e&&e.filter,n=e&&e.convert||this.options.convert,o=[],r=this.data;for(var a in r)r.hasOwnProperty(a)&&(i=this._getItem(a,n),(!s||s(i))&&o.push(t(i,a)));return e&&e.order&&this._sort(o,e.order),o},DataSet.prototype._filterFields=function(t,e){var i={};for(var s in t)t.hasOwnProperty(s)&&-1!=e.indexOf(s)&&(i[s]=t[s]);return i},DataSet.prototype._sort=function(t,e){if(util.isString(e)){var i=e;t.sort(function(t,e){var s=t[i],n=e[i];return s>n?1:n>s?-1:0})}else{if("function"!=typeof e)throw new TypeError("Order must be a function or a string");t.sort(e)}},DataSet.prototype.remove=function(t,e){var i,s,n,o=[];if(t instanceof Array)for(i=0,s=t.length;s>i;i++)n=this._remove(t[i]),null!=n&&o.push(n);else n=this._remove(t),null!=n&&o.push(n);return o.length&&this._trigger("remove",{items:o},e),o},DataSet.prototype._remove=function(t){if(util.isNumber(t)||util.isString(t)){if(this.data[t])return delete this.data[t],delete this.internalIds[t],t}else if(t instanceof Object){var e=t[this.fieldId];if(e&&this.data[e])return delete this.data[e],delete this.internalIds[e],e}return null},DataSet.prototype.clear=function(t){var e=Object.keys(this.data);return this.data={},this.internalIds={},this._trigger("remove",{items:e},t),e},DataSet.prototype.max=function(t){var e=this.data,i=null,s=null;for(var n in e)if(e.hasOwnProperty(n)){var o=e[n],r=o[t];null!=r&&(!i||r>s)&&(i=o,s=r)}return i},DataSet.prototype.min=function(t){var e=this.data,i=null,s=null;for(var n in e)if(e.hasOwnProperty(n)){var o=e[n],r=o[t];null!=r&&(!i||s>r)&&(i=o,s=r)}return i},DataSet.prototype.distinct=function(t){var e=this.data,i=[],s=this.options.convert[t],n=0;for(var o in e)if(e.hasOwnProperty(o)){for(var r=e[o],a=util.convert(r[t],s),h=!1,d=0;n>d;d++)if(i[d]==a){h=!0;break}h||(i[n]=a,n++)}return i},DataSet.prototype._addItem=function(t){var e=t[this.fieldId];if(void 0!=e){if(this.data[e])throw new Error("Cannot add item: item with id "+e+" already exists")}else e=util.randomUUID(),t[this.fieldId]=e,this.internalIds[e]=t;var i={};for(var s in t)if(t.hasOwnProperty(s)){var n=this.convert[s];i[s]=util.convert(t[s],n)}return this.data[e]=i,e},DataSet.prototype._getItem=function(t,e){var i,s,n=this.data[t];if(!n)return null;var o={},r=this.fieldId,a=this.internalIds;if(e)for(i in n)n.hasOwnProperty(i)&&(s=n[i],i==r&&s in a&&!this.showInternalIds||(o[i]=util.convert(s,e[i])));else for(i in n)n.hasOwnProperty(i)&&(s=n[i],i==r&&s in a&&!this.showInternalIds||(o[i]=s));return o},DataSet.prototype._updateItem=function(t){var e=t[this.fieldId];if(void 0==e)throw new Error("Cannot update item: item has no id (item: "+JSON.stringify(t)+")");var i=this.data[e];if(!i)throw new Error("Cannot update item: no item with id "+e+" found");for(var s in t)if(t.hasOwnProperty(s)){var n=this.convert[s];i[s]=util.convert(t[s],n)}return e},DataSet.prototype.isInternalId=function(t){return t in this.internalIds},DataSet.prototype._getColumnNames=function(t){for(var e=[],i=0,s=t.getNumberOfColumns();s>i;i++)e[i]=t.getColumnId(i)||t.getColumnLabel(i);return e},DataSet.prototype._appendRow=function(t,e,i){for(var s=t.addRow(),n=0,o=e.length;o>n;n++){var r=e[n];t.setValue(s,n,i[r])}},DataView.prototype.setData=function(t){var e,i,s;if(this.data){this.data.unsubscribe&&this.data.unsubscribe("*",this.listener),e=[];for(var n in this.ids)this.ids.hasOwnProperty(n)&&e.push(n);this.ids={},this._trigger("remove",{items:e})}if(this.data=t,this.data){for(this.fieldId=this.options.fieldId||this.data&&this.data.options&&this.data.options.fieldId||"id",e=this.data.getIds({filter:this.options&&this.options.filter}),i=0,s=e.length;s>i;i++)n=e[i],this.ids[n]=!0;this._trigger("add",{items:e}),this.data.on&&this.data.on("*",this.listener)}},DataView.prototype.get=function(){var t,e,i,s=this,n=util.getType(arguments[0]);"String"==n||"Number"==n||"Array"==n?(t=arguments[0],e=arguments[1],i=arguments[2]):(e=arguments[0],i=arguments[1]);var o=util.extend({},this.options,e);this.options.filter&&e&&e.filter&&(o.filter=function(t){return s.options.filter(t)&&e.filter(t)});var r=[];return void 0!=t&&r.push(t),r.push(o),r.push(i),this.data&&this.data.get.apply(this.data,r)},DataView.prototype.getIds=function(t){var e;if(this.data){var i,s=this.options.filter;i=t&&t.filter?s?function(e){return s(e)&&t.filter(e)}:t.filter:s,e=this.data.getIds({filter:i,order:t&&t.order})}else e=[];return e},DataView.prototype._onEvent=function(t,e,i){var s,n,o,r,a=e&&e.items,h=this.data,d=[],c=[],l=[];if(a&&h){switch(t){case"add":for(s=0,n=a.length;n>s;s++)o=a[s],r=this.get(o),r&&(this.ids[o]=!0,d.push(o));break;case"update":for(s=0,n=a.length;n>s;s++)o=a[s],r=this.get(o),r?this.ids[o]?c.push(o):(this.ids[o]=!0,d.push(o)):this.ids[o]&&(delete this.ids[o],l.push(o));break;case"remove":for(s=0,n=a.length;n>s;s++)o=a[s],this.ids[o]&&(delete this.ids[o],l.push(o))}d.length&&this._trigger("add",{items:d},i),c.length&&this._trigger("update",{items:c},i),l.length&&this._trigger("remove",{items:l},i)}},DataView.prototype.on=DataSet.prototype.on,DataView.prototype.off=DataSet.prototype.off,DataView.prototype._trigger=DataSet.prototype._trigger,DataView.prototype.subscribe=DataView.prototype.on,DataView.prototype.unsubscribe=DataView.prototype.off,TimeStep=function(t,e,i){this.current=new Date,this._start=new Date,this._end=new Date,this.autoScale=!0,this.scale=TimeStep.SCALE.DAY,this.step=1,this.setRange(t,e,i)},TimeStep.SCALE={MILLISECOND:1,SECOND:2,MINUTE:3,HOUR:4,DAY:5,WEEKDAY:6,MONTH:7,YEAR:8},TimeStep.prototype.setRange=function(t,e,i){if(!(t instanceof Date&&e instanceof Date))throw"No legal start or end date in method setRange";this._start=void 0!=t?new Date(t.valueOf()):new Date,this._end=void 0!=e?new Date(e.valueOf()):new Date,this.autoScale&&this.setMinimumStep(i)},TimeStep.prototype.first=function(){this.current=new Date(this._start.valueOf()),this.roundToMinor()},TimeStep.prototype.roundToMinor=function(){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: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)}if(1!=this.step)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: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)}},TimeStep.prototype.hasNext=function(){return this.current.valueOf()<=this._end.valueOf()},TimeStep.prototype.next=function(){var t=this.current.valueOf();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()+1e3*this.step);break;case TimeStep.SCALE.MINUTE:this.current=new Date(this.current.valueOf()+1e3*this.step*60);break;case TimeStep.SCALE.HOUR:this.current=new Date(this.current.valueOf()+1e3*this.step*60*60);var e=this.current.getHours();this.current.setHours(e-e%this.step);break;case TimeStep.SCALE.WEEKDAY: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)}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: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)}if(1!=this.step)switch(this.scale){case TimeStep.SCALE.MILLISECOND:this.current.getMilliseconds()0&&(this.step=e),this.autoScale=!1},TimeStep.prototype.setAutoScale=function(t){this.autoScale=t},TimeStep.prototype.setMinimumStep=function(t){if(void 0!=t){var e=31104e6,i=2592e6,s=864e5,n=36e5,o=6e4,r=1e3,a=1;1e3*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=1e3),500*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=500),100*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=100),50*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=50),10*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=10),5*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=5),e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=1),3*i>t&&(this.scale=TimeStep.SCALE.MONTH,this.step=3),i>t&&(this.scale=TimeStep.SCALE.MONTH,this.step=1),5*s>t&&(this.scale=TimeStep.SCALE.DAY,this.step=5),2*s>t&&(this.scale=TimeStep.SCALE.DAY,this.step=2),s>t&&(this.scale=TimeStep.SCALE.DAY,this.step=1),s/2>t&&(this.scale=TimeStep.SCALE.WEEKDAY,this.step=1),4*n>t&&(this.scale=TimeStep.SCALE.HOUR,this.step=4),n>t&&(this.scale=TimeStep.SCALE.HOUR,this.step=1),15*o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=15),10*o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=10),5*o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=5),o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=1),15*r>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=15),10*r>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=10),5*r>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=5),r>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=1),200*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=200),100*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=100),50*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=50),10*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=10),5*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=5),a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=1)}},TimeStep.prototype.snap=function(t){var e=new Date(t.valueOf());if(this.scale==TimeStep.SCALE.YEAR){var i=e.getFullYear()+Math.round(e.getMonth()/12);e.setFullYear(Math.round(i/this.step)*this.step),e.setMonth(0),e.setDate(0),e.setHours(0),e.setMinutes(0),e.setSeconds(0),e.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.MONTH)e.getDate()>15?(e.setDate(1),e.setMonth(e.getMonth()+1)):e.setDate(1),e.setHours(0),e.setMinutes(0),e.setSeconds(0),e.setMilliseconds(0);else if(this.scale==TimeStep.SCALE.DAY||this.scale==TimeStep.SCALE.WEEKDAY){switch(this.step){case 5:case 2:e.setHours(24*Math.round(e.getHours()/24));break;default:e.setHours(12*Math.round(e.getHours()/12))}e.setMinutes(0),e.setSeconds(0),e.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.HOUR){switch(this.step){case 4:e.setMinutes(60*Math.round(e.getMinutes()/60));break;default:e.setMinutes(30*Math.round(e.getMinutes()/30))}e.setSeconds(0),e.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.MINUTE){switch(this.step){case 15:case 10:e.setMinutes(5*Math.round(e.getMinutes()/5)),e.setSeconds(0);break;case 5:e.setSeconds(60*Math.round(e.getSeconds()/60));break;default:e.setSeconds(30*Math.round(e.getSeconds()/30))}e.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.SECOND)switch(this.step){case 15:case 10:e.setSeconds(5*Math.round(e.getSeconds()/5)),e.setMilliseconds(0);break;case 5:e.setMilliseconds(1e3*Math.round(e.getMilliseconds()/1e3));break;default:e.setMilliseconds(500*Math.round(e.getMilliseconds()/500))}else if(this.scale==TimeStep.SCALE.MILLISECOND){var s=this.step>5?this.step/2:1;e.setMilliseconds(Math.round(e.getMilliseconds()/s)*s)}return e},TimeStep.prototype.isMajor=function(){switch(this.scale){case TimeStep.SCALE.MILLISECOND:return 0==this.current.getMilliseconds();case TimeStep.SCALE.SECOND:return 0==this.current.getSeconds();case TimeStep.SCALE.MINUTE:return 0==this.current.getHours()&&0==this.current.getMinutes();case TimeStep.SCALE.HOUR:return 0==this.current.getHours();case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:return 1==this.current.getDate();case TimeStep.SCALE.MONTH:return 0==this.current.getMonth();case TimeStep.SCALE.YEAR:return!1;default:return!1}},TimeStep.prototype.getLabelMinor=function(t){switch(void 0==t&&(t=this.current),this.scale){case TimeStep.SCALE.MILLISECOND:return moment(t).format("SSS");case TimeStep.SCALE.SECOND:return moment(t).format("s");case TimeStep.SCALE.MINUTE:return moment(t).format("HH:mm");case TimeStep.SCALE.HOUR:return moment(t).format("HH:mm");case TimeStep.SCALE.WEEKDAY:return moment(t).format("ddd D");case TimeStep.SCALE.DAY:return moment(t).format("D");case TimeStep.SCALE.MONTH:return moment(t).format("MMM");case TimeStep.SCALE.YEAR:return moment(t).format("YYYY");default:return""}},TimeStep.prototype.getLabelMajor=function(t){switch(void 0==t&&(t=this.current),this.scale){case TimeStep.SCALE.MILLISECOND:return moment(t).format("HH:mm:ss");case TimeStep.SCALE.SECOND:return moment(t).format("D MMMM HH:mm");case TimeStep.SCALE.MINUTE:case TimeStep.SCALE.HOUR:return moment(t).format("ddd D MMMM");case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:return moment(t).format("MMMM YYYY");case TimeStep.SCALE.MONTH:return moment(t).format("YYYY");case TimeStep.SCALE.YEAR:return"";default:return""}},Stack.prototype.setOptions=function(t){util.extend(this.options,t)},Stack.prototype.update=function(){this._order(),this._stack()},Stack.prototype._order=function(){var t=this.itemset.items;if(!t)throw new Error("Cannot stack items: ItemSet does not contain items");var e=[],i=0;util.forEach(t,function(t){t.visible&&(e[i]=t,i++)});var s=this.options.order||this.defaultOptions.order;if("function"!=typeof s)throw new Error("Option order must be a function");e.sort(s),this.ordered=e},Stack.prototype._stack=function(){var t,e,i,s=this.ordered,n=this.options,o=n.orientation||this.defaultOptions.orientation,r="top"==o;for(i=n.margin&&void 0!==n.margin.item?n.margin.item:this.defaultOptions.margin.item,t=0,e=s.length;e>t;t++){var a=s[t],h=null;do h=this.checkOverlap(s,t,0,t-1,i),null!=h&&(a.top=r?h.top+h.height+i:h.top-a.height-i);while(h)}},Stack.prototype.checkOverlap=function(t,e,i,s,n){for(var o=this.collision,r=t[e],a=s;a>=i;a--){var h=t[a];if(o(r,h,n)&&a!=e)return h}return null},Stack.prototype.collision=function(t,e,i){return t.left-ie.left&&t.top-ie.top},Emitter(Range.prototype),Range.prototype.setOptions=function(t){util.extend(this.options,t),null!==this.start&&null!==this.end&&this.setRange(this.start,this.end)},Range.prototype.subscribe=function(t,e,i,s){function n(t){o._onMouseWheel(t,e,s)}var o=this;if("move"==i)t.on("dragstart",function(t){o._onDragStart(t,e)}),t.on("drag",function(t){o._onDrag(t,e,s)}),t.on("dragend",function(t){o._onDragEnd(t,e)}),t.on("hold",function(){o._onHold()});else{if("zoom"!=i)throw new TypeError('Unknown event "'+i+'". Choose "move" or "zoom".');t.on("mousewheel",n),t.on("DOMMouseScroll",n),t.on("touch",function(t){o._onTouch(t)}),t.on("pinch",function(t){o._onPinch(t,e,s)})}},Range.prototype.setRange=function(t,e){var i=this._applyRange(t,e);if(i){var s={start:this.start,end:this.end};this.emit("rangechange",s),this.emit("rangechanged",s)}},Range.prototype._applyRange=function(t,e){var i,s=null!=t?util.convert(t,"Date").valueOf():this.start,n=null!=e?util.convert(e,"Date").valueOf():this.end,o=null!=this.options.max?util.convert(this.options.max,"Date").valueOf():null,r=null!=this.options.min?util.convert(this.options.min,"Date").valueOf():null;if(isNaN(s)||null===s)throw new Error('Invalid start "'+t+'"');if(isNaN(n)||null===n)throw new Error('Invalid end "'+e+'"');if(s>n&&(n=s),null!==r&&r>s&&(i=r-s,s+=i,n+=i,null!=o&&n>o&&(n=o)),null!==o&&n>o&&(i=n-o,s-=i,n-=i,null!=r&&r>s&&(s=r)),null!==this.options.zoomMin){var a=parseFloat(this.options.zoomMin);0>a&&(a=0),a>n-s&&(this.end-this.start===a?(s=this.start,n=this.end):(i=a-(n-s),s-=i/2,n+=i/2))}if(null!==this.options.zoomMax){var h=parseFloat(this.options.zoomMax);0>h&&(h=0),n-s>h&&(this.end-this.start===h?(s=this.start,n=this.end):(i=n-s-h,s+=i/2,n-=i/2))}var d=this.start!=s||this.end!=n;return this.start=s,this.end=n,d},Range.prototype.getRange=function(){return{start:this.start,end:this.end}},Range.prototype.conversion=function(t){return Range.conversion(this.start,this.end,t)},Range.conversion=function(t,e,i){return 0!=i&&e-t!=0?{offset:t,scale:i/(e-t)}:{offset:0,scale:1}};var touchParams={};Range.prototype._onDragStart=function(t,e){if(!touchParams.ignore){touchParams.start=this.start,touchParams.end=this.end;var i=e.frame;i&&(i.style.cursor="move")}},Range.prototype._onDrag=function(t,e,i){if(validateDirection(i),!touchParams.ignore){var s="horizontal"==i?t.gesture.deltaX:t.gesture.deltaY,n=touchParams.end-touchParams.start,o="horizontal"==i?e.width:e.height,r=-s/o*n;this._applyRange(touchParams.start+r,touchParams.end+r),this.emit("rangechange",{start:this.start,end:this.end})}},Range.prototype._onDragEnd=function(t,e){touchParams.ignore||(e.frame&&(e.frame.style.cursor="auto"),this.emit("rangechanged",{start:this.start,end:this.end}))},Range.prototype._onMouseWheel=function(t,e,i){validateDirection(i);var s=0;if(t.wheelDelta?s=t.wheelDelta/120:t.detail&&(s=-t.detail/3),s){var n;n=0>s?1-s/5:1/(1+s/5);var o=util.fakeGesture(this,t),r=getPointer(o.center,e.frame),a=this._pointerToDate(e,i,r);this.zoom(n,a)}t.preventDefault()},Range.prototype._onTouch=function(t){touchParams.start=this.start,touchParams.end=this.end,touchParams.ignore=!1,touchParams.center=null;var e=ItemSet.itemFromTarget(t);e&&e.selected&&this.options.editable&&(touchParams.ignore=!0)},Range.prototype._onHold=function(){touchParams.ignore=!0},Range.prototype._onPinch=function(t,e,i){if(touchParams.ignore=!0,t.gesture.touches.length>1){touchParams.center||(touchParams.center=getPointer(t.gesture.center,e.frame));var s=1/t.gesture.scale,n=this._pointerToDate(e,i,touchParams.center),o=getPointer(t.gesture.center,e.frame),r=(this._pointerToDate(e,i,o),parseInt(n+(touchParams.start-n)*s)),a=parseInt(n+(touchParams.end-n)*s);this.setRange(r,a)}},Range.prototype._pointerToDate=function(t,e,i){var s;if("horizontal"==e){var n=t.width;return s=this.conversion(n),i.x/s.scale+s.offset}var o=t.height;return s=this.conversion(o),i.y/s.scale+s.offset},Range.prototype.zoom=function(t,e){null==e&&(e=(this.start+this.end)/2);var i=e+(this.start-e)*t,s=e+(this.end-e)*t;this.setRange(i,s)},Range.prototype.move=function(t){var e=this.end-this.start,i=this.start+e*t,s=this.end+e*t;this.start=i,this.end=s},Range.prototype.moveTo=function(t){var e=(this.start+this.end)/2,i=e-t,s=this.start-i,n=this.end-i;this.setRange(s,n)},Emitter(Controller.prototype),Controller.prototype.add=function(t){if(void 0==t.id)throw new Error("Component has no field id");if(!(t instanceof Component||t instanceof Controller))throw new TypeError("Component must be an instance of prototype Component or Controller");t.setController(this),this.components[t.id]=t},Controller.prototype.remove=function(t){var e;for(e in this.components)if(this.components.hasOwnProperty(e)&&(e==t||this.components[e]===t))break;e&&(this.components[e].setController(null),delete this.components[e])},Controller.prototype.repaint=function t(){function t(s,n){n in i||(s.depends&&s.depends.forEach(function(e){t(e,e.id)}),s.parent&&t(s.parent,s.parent.id),e=s.repaint()||e,i[n]=!0)}var e=!1;this.repaintTimer&&(clearTimeout(this.repaintTimer),this.repaintTimer=void 0);var i={};util.forEach(this.components,t),this.emit("repaint"),e&&this.reflow()},Controller.prototype.reflow=function e(){function e(s,n){n in i||(s.depends&&s.depends.forEach(function(t){e(t,t.id)}),s.parent&&e(s.parent,s.parent.id),t=s.reflow()||t,i[n]=!0)}var t=!1;this.reflowTimer&&(clearTimeout(this.reflowTimer),this.reflowTimer=void 0);var i={};util.forEach(this.components,e),this.emit("reflow"),t&&this.repaint()},Component.prototype.setOptions=function(t){t&&(util.extend(this.options,t),this.controller&&(this.requestRepaint(),this.requestReflow()))},Component.prototype.getOption=function(t){var e;return this.options&&(e=this.options[t]),void 0===e&&this.defaultOptions&&(e=this.defaultOptions[t]),e},Component.prototype.setController=function(t){this.controller=t||null},Component.prototype.getController=function(){return this.controller},Component.prototype.getContainer=function(){return null},Component.prototype.getFrame=function(){return this.frame},Component.prototype.repaint=function(){return!1},Component.prototype.reflow=function(){return!1},Component.prototype.hide=function(){return this.frame&&this.frame.parentNode?(this.frame.parentNode.removeChild(this.frame),!0):!1},Component.prototype.show=function(){return this.frame&&this.frame.parentNode?!1:this.repaint()},Component.prototype.requestRepaint=function(){if(!this.controller)throw new Error("Cannot request a repaint: no controller configured");this.controller.emit("request-repaint")},Component.prototype.requestReflow=function(){if(!this.controller)throw new Error("Cannot request a reflow: no controller configured");this.controller.emit("request-reflow")},Panel.prototype=new Component,Panel.prototype.setOptions=Component.prototype.setOptions,Panel.prototype.getContainer=function(){return this.frame},Panel.prototype.repaint=function(){var t=0,e=util.updateProperty,i=util.option.asSize,s=this.options,n=this.frame;if(!n){n=document.createElement("div"),n.className="vpanel";var o=s.className;o&&("function"==typeof o?util.addClassName(n,String(o())):util.addClassName(n,String(o))),this.frame=n,t+=1}if(!n.parentNode){if(!this.parent)throw new Error("Cannot repaint panel: no parent attached");var r=this.parent.getContainer();if(!r)throw new Error("Cannot repaint panel: parent has no container element");r.appendChild(n),t+=1}return t+=e(n.style,"top",i(s.top,"0px")),t+=e(n.style,"left",i(s.left,"0px")),t+=e(n.style,"width",i(s.width,"100%")),t+=e(n.style,"height",i(s.height,"100%")),t>0},Panel.prototype.reflow=function(){var t=0,e=util.updateProperty,i=this.frame;return i?(t+=e(this,"top",i.offsetTop),t+=e(this,"left",i.offsetLeft),t+=e(this,"width",i.offsetWidth),t+=e(this,"height",i.offsetHeight)):t+=1,t>0},RootPanel.prototype=new Panel,RootPanel.prototype.setOptions=Component.prototype.setOptions,RootPanel.prototype.repaint=function(){var t=0,e=util.updateProperty,i=util.option.asSize,s=this.options,n=this.frame;if(n||(n=document.createElement("div"),this.frame=n,this._registerListeners(),t+=1),!n.parentNode){if(!this.container)throw new Error("Cannot repaint root panel: no container attached");this.container.appendChild(n),t+=1}n.className="vis timeline rootpanel "+s.orientation+(s.editable?" editable":"");var o=s.className;return o&&util.addClassName(n,util.option.asString(o)),t+=e(n.style,"top",i(s.top,"0px")),t+=e(n.style,"left",i(s.left,"0px")),t+=e(n.style,"width",i(s.width,"100%")),t+=e(n.style,"height",i(s.height,"100%")),this._updateWatch(),t>0},RootPanel.prototype.reflow=function(){var t=0,e=util.updateProperty,i=this.frame;return i?(t+=e(this,"top",i.offsetTop),t+=e(this,"left",i.offsetLeft),t+=e(this,"width",i.offsetWidth),t+=e(this,"height",i.offsetHeight)):t+=1,t>0},RootPanel.prototype._updateWatch=function(){var t=this.getOption("autoResize");t?this._watch():this._unwatch()},RootPanel.prototype._watch=function(){var t=this;this._unwatch();var e=function(){var e=t.getOption("autoResize");return e?void(t.frame&&(t.frame.clientWidth!=t.width||t.frame.clientHeight!=t.height)&&t.requestReflow()):void t._unwatch()};util.addEventListener(window,"resize",e),this.watchTimer=setInterval(e,1e3)},RootPanel.prototype._unwatch=function(){this.watchTimer&&(clearInterval(this.watchTimer),this.watchTimer=void 0)},RootPanel.prototype.setController=function(t){this.controller=t||null,this.controller?this._registerListeners():this._unregisterListeners()},RootPanel.prototype._registerListeners=function(){if(this.frame&&this.controller&&!this.hammer){this.hammer=Hammer(this.frame,{prevent_default:!0});for(var t in this.listeners)this.listeners.hasOwnProperty(t)&&this.hammer.on(t,this.listeners[t])}},RootPanel.prototype._unregisterListeners=function(){if(this.hammer){for(var t in this.listeners)this.listeners.hasOwnProperty(t)&&this.hammer.off(t,this.listeners[t]);this.hammer=null}},TimeAxis.prototype=new Component,TimeAxis.prototype.setOptions=Component.prototype.setOptions,TimeAxis.prototype.setRange=function(t){if(!(t instanceof Range||t&&t.start&&t.end))throw new TypeError("Range must be an instance of Range, or an object containing start and end.");this.range=t},TimeAxis.prototype.toTime=function(t){var e=this.conversion;return new Date(t/e.scale+e.offset)},TimeAxis.prototype.toScreen=function(t){var e=this.conversion;return(t.valueOf()-e.offset)*e.scale},TimeAxis.prototype.repaint=function(){var t=0,e=util.updateProperty,i=util.option.asSize,s=this.options,n=this.getOption("orientation"),o=this.props,r=this.step,a=this.frame;if(a||(a=document.createElement("div"),this.frame=a,t+=1),a.className="axis",!a.parentNode){if(!this.parent)throw new Error("Cannot repaint time axis: no parent attached");var h=this.parent.getContainer();if(!h)throw new Error("Cannot repaint time axis: parent has no container element");h.appendChild(a),t+=1}var d=a.parentNode;if(d){var c=a.nextSibling;d.removeChild(a);var l="bottom"==n&&this.props.parentHeight&&this.height?this.props.parentHeight-this.height+"px":"0px"; -if(t+=e(a.style,"top",i(s.top,l)),t+=e(a.style,"left",i(s.left,"0px")),t+=e(a.style,"width",i(s.width,"100%")),t+=e(a.style,"height",i(s.height,this.height+"px")),this._repaintMeasureChars(),this.step){this._repaintStart(),r.first();for(var u=void 0,p=0;r.hasNext()&&1e3>p;){p++;var g=r.getCurrent(),f=this.toScreen(g),m=r.isMajor();this.getOption("showMinorLabels")&&this._repaintMinorText(f,r.getLabelMinor()),m&&this.getOption("showMajorLabels")?(f>0&&(void 0==u&&(u=f),this._repaintMajorText(f,r.getLabelMajor())),this._repaintMajorLine(f)):this._repaintMinorLine(f),r.next()}if(this.getOption("showMajorLabels")){var v=this.toTime(0),y=r.getLabelMajor(v),_=y.length*(o.majorCharWidth||10)+10;(void 0==u||u>_)&&this._repaintMajorText(0,y)}this._repaintEnd()}this._repaintLine(),c?d.insertBefore(a,c):d.appendChild(a)}return t>0},TimeAxis.prototype._repaintStart=function(){var t=this.dom,e=t.redundant;e.majorLines=t.majorLines,e.majorTexts=t.majorTexts,e.minorLines=t.minorLines,e.minorTexts=t.minorTexts,t.majorLines=[],t.majorTexts=[],t.minorLines=[],t.minorTexts=[]},TimeAxis.prototype._repaintEnd=function(){util.forEach(this.dom.redundant,function(t){for(;t.length;){var e=t.pop();e&&e.parentNode&&e.parentNode.removeChild(e)}})},TimeAxis.prototype._repaintMinorText=function(t,e){var i=this.dom.redundant.minorTexts.shift();if(!i){var s=document.createTextNode("");i=document.createElement("div"),i.appendChild(s),i.className="text minor",this.frame.appendChild(i)}this.dom.minorTexts.push(i),i.childNodes[0].nodeValue=e,i.style.left=t+"px",i.style.top=this.props.minorLabelTop+"px"},TimeAxis.prototype._repaintMajorText=function(t,e){var i=this.dom.redundant.majorTexts.shift();if(!i){var s=document.createTextNode(e);i=document.createElement("div"),i.className="text major",i.appendChild(s),this.frame.appendChild(i)}this.dom.majorTexts.push(i),i.childNodes[0].nodeValue=e,i.style.top=this.props.majorLabelTop+"px",i.style.left=t+"px"},TimeAxis.prototype._repaintMinorLine=function(t){var e=this.dom.redundant.minorLines.shift();e||(e=document.createElement("div"),e.className="grid vertical minor",this.frame.appendChild(e)),this.dom.minorLines.push(e);var i=this.props;e.style.top=i.minorLineTop+"px",e.style.height=i.minorLineHeight+"px",e.style.left=t-i.minorLineWidth/2+"px"},TimeAxis.prototype._repaintMajorLine=function(t){var e=this.dom.redundant.majorLines.shift();e||(e=document.createElement("DIV"),e.className="grid vertical major",this.frame.appendChild(e)),this.dom.majorLines.push(e);var i=this.props;e.style.top=i.majorLineTop+"px",e.style.left=t-i.majorLineWidth/2+"px",e.style.height=i.majorLineHeight+"px"},TimeAxis.prototype._repaintLine=function(){{var t=this.dom.line,e=this.frame;this.options}this.getOption("showMinorLabels")||this.getOption("showMajorLabels")?(t?(e.removeChild(t),e.appendChild(t)):(t=document.createElement("div"),t.className="grid horizontal major",e.appendChild(t),this.dom.line=t),t.style.top=this.props.lineTop+"px"):t&&t.parentElement&&(e.removeChild(t.line),delete this.dom.line)},TimeAxis.prototype._repaintMeasureChars=function(){var t,e=this.dom;if(!e.measureCharMinor){t=document.createTextNode("0");var i=document.createElement("DIV");i.className="text minor measure",i.appendChild(t),this.frame.appendChild(i),e.measureCharMinor=i}if(!e.measureCharMajor){t=document.createTextNode("0");var s=document.createElement("DIV");s.className="text major measure",s.appendChild(t),this.frame.appendChild(s),e.measureCharMajor=s}},TimeAxis.prototype.reflow=function(){var t=0,e=util.updateProperty,i=this.frame,s=this.range;if(!s)throw new Error("Cannot repaint time axis: no range configured");if(i){t+=e(this,"top",i.offsetTop),t+=e(this,"left",i.offsetLeft);var n=this.props,o=this.getOption("showMinorLabels"),r=this.getOption("showMajorLabels"),a=this.dom.measureCharMinor,h=this.dom.measureCharMajor;a&&(n.minorCharHeight=a.clientHeight,n.minorCharWidth=a.clientWidth),h&&(n.majorCharHeight=h.clientHeight,n.majorCharWidth=h.clientWidth);var d=i.parentNode?i.parentNode.offsetHeight:0;switch(d!=n.parentHeight&&(n.parentHeight=d,t+=1),this.getOption("orientation")){case"bottom":n.minorLabelHeight=o?n.minorCharHeight:0,n.majorLabelHeight=r?n.majorCharHeight:0,n.minorLabelTop=0,n.majorLabelTop=n.minorLabelTop+n.minorLabelHeight,n.minorLineTop=-this.top,n.minorLineHeight=Math.max(this.top+n.majorLabelHeight,0),n.minorLineWidth=1,n.majorLineTop=-this.top,n.majorLineHeight=Math.max(this.top+n.minorLabelHeight+n.majorLabelHeight,0),n.majorLineWidth=1,n.lineTop=0;break;case"top":n.minorLabelHeight=o?n.minorCharHeight:0,n.majorLabelHeight=r?n.majorCharHeight:0,n.majorLabelTop=0,n.minorLabelTop=n.majorLabelTop+n.majorLabelHeight,n.minorLineTop=n.minorLabelTop,n.minorLineHeight=Math.max(d-n.majorLabelHeight-this.top),n.minorLineWidth=1,n.majorLineTop=0,n.majorLineHeight=Math.max(d-this.top),n.majorLineWidth=1,n.lineTop=n.majorLabelHeight+n.minorLabelHeight;break;default:throw new Error('Unkown orientation "'+this.getOption("orientation")+'"')}var c=n.minorLabelHeight+n.majorLabelHeight;t+=e(this,"width",i.offsetWidth),t+=e(this,"height",c),this._updateConversion();var l=util.convert(s.start,"Number"),u=util.convert(s.end,"Number"),p=this.toTime(5*(n.minorCharWidth||10)).valueOf()-this.toTime(0).valueOf();this.step=new TimeStep(new Date(l),new Date(u),p),t+=e(n.range,"start",l),t+=e(n.range,"end",u),t+=e(n.range,"minimumStep",p.valueOf())}return t>0},TimeAxis.prototype._updateConversion=function(){var t=this.range;if(!t)throw new Error("No range configured");this.conversion=t.conversion?t.conversion(this.width):Range.conversion(t.start,t.end,this.width)},TimeAxis.prototype.snap=function(t){return this.step.snap(t)},CurrentTime.prototype=new Component,CurrentTime.prototype.setOptions=Component.prototype.setOptions,CurrentTime.prototype.getContainer=function(){return this.frame},CurrentTime.prototype.repaint=function(){var t=this.frame,e=this.parent,i=e.parent.getContainer();if(!e)throw new Error("Cannot repaint bar: no parent attached");if(!i)throw new Error("Cannot repaint bar: parent has no container element");if(!this.getOption("showCurrentTime"))return t&&(i.removeChild(t),delete this.frame),!1;t||(t=document.createElement("div"),t.className="currenttime",t.style.position="absolute",t.style.top="0px",t.style.height="100%",i.appendChild(t),this.frame=t),e.conversion||e._updateConversion();var s=new Date,n=e.toScreen(s);t.style.left=n+"px",t.title="Current time: "+s,void 0!==this.currentTimeTimer&&(clearTimeout(this.currentTimeTimer),delete this.currentTimeTimer);var o=this,r=1/e.conversion.scale/2;return 30>r&&(r=30),this.currentTimeTimer=setTimeout(function(){o.repaint()},r),!1},CustomTime.prototype=new Component,Emitter(CustomTime.prototype),CustomTime.prototype.setOptions=Component.prototype.setOptions,CustomTime.prototype.getContainer=function(){return this.frame},CustomTime.prototype.repaint=function(){var t=this.frame,e=this.parent;if(!e)throw new Error("Cannot repaint bar: no parent attached");var i=e.parent.getContainer();if(!i)throw new Error("Cannot repaint bar: parent has no container element");if(!this.getOption("showCustomTime"))return t&&(i.removeChild(t),delete this.frame),!1;if(!t){t=document.createElement("div"),t.className="customtime",t.style.position="absolute",t.style.top="0px",t.style.height="100%",i.appendChild(t);var s=document.createElement("div");s.style.position="relative",s.style.top="0px",s.style.left="-10px",s.style.height="100%",s.style.width="20px",t.appendChild(s),this.frame=t,this.hammer=Hammer(t,{prevent_default:!0}),this.hammer.on("dragstart",this._onDragStart.bind(this)),this.hammer.on("drag",this._onDrag.bind(this)),this.hammer.on("dragend",this._onDragEnd.bind(this))}e.conversion||e._updateConversion();var n=e.toScreen(this.customTime);return t.style.left=n+"px",t.title="Time: "+this.customTime,!1},CustomTime.prototype.setCustomTime=function(t){this.customTime=new Date(t.valueOf()),this.repaint()},CustomTime.prototype.getCustomTime=function(){return new Date(this.customTime.valueOf())},CustomTime.prototype._onDragStart=function(t){this.eventParams.customTime=this.customTime,t.stopPropagation(),t.preventDefault()},CustomTime.prototype._onDrag=function(t){var e=t.gesture.deltaX,i=this.parent.toScreen(this.eventParams.customTime)+e,s=this.parent.toTime(i);this.setCustomTime(s),this.controller&&this.controller.emit("timechange",{time:this.customTime}),t.stopPropagation(),t.preventDefault()},CustomTime.prototype._onDragEnd=function(t){this.controller&&this.controller.emit("timechanged",{time:this.customTime}),t.stopPropagation(),t.preventDefault()},ItemSet.prototype=new Panel,ItemSet.types={box:ItemBox,range:ItemRange,rangeoverflow:ItemRangeOverflow,point:ItemPoint},ItemSet.prototype.setOptions=Component.prototype.setOptions,ItemSet.prototype.setController=function(t){var e;if(this.controller)for(e in this.eventListeners)this.eventListeners.hasOwnProperty(e)&&this.controller.off(e,this.eventListeners[e]);if(this.controller=t||null,this.controller)for(e in this.eventListeners)this.eventListeners.hasOwnProperty(e)&&this.controller.on(e,this.eventListeners[e])},function(t){var e=null;Object.defineProperty(t,"controller",{get:function(){return e},set:function(){}})}(this),ItemSet.prototype.setRange=function(t){if(!(t instanceof Range||t&&t.start&&t.end))throw new TypeError("Range must be an instance of Range, or an object containing start and end.");this.range=t},ItemSet.prototype.setSelection=function(t){var e,i,s,n;if(t){if(!Array.isArray(t))throw new TypeError("Array expected");for(e=0,i=this.selection.length;i>e;e++)s=this.selection[e],n=this.items[s],n&&n.unselect();for(this.selection=[],e=0,i=t.length;i>e;e++)s=t[e],n=this.items[s],n&&(this.selection.push(s),n.select());this.controller&&this.requestRepaint()}},ItemSet.prototype.getSelection=function(){return this.selection.concat([])},ItemSet.prototype._deselect=function(t){for(var e=this.selection,i=0,s=e.length;s>i;i++)if(e[i]==t){e.splice(i,1);break}},ItemSet.prototype.repaint=function(){var t=0,e=util.updateProperty,i=util.option.asSize,s=this.options,n=this.getOption("orientation"),o=this.defaultOptions,r=this.frame;if(!r){r=document.createElement("div"),r.className="itemset",r["timeline-itemset"]=this;var a=s.className;a&&util.addClassName(r,util.option.asString(a));var h=document.createElement("div");h.className="background",r.appendChild(h),this.dom.background=h;var d=document.createElement("div");d.className="foreground",r.appendChild(d),this.dom.foreground=d;var c=document.createElement("div");c.className="itemset-axis",this.dom.axis=c,this.frame=r,t+=1}if(!this.parent)throw new Error("Cannot repaint itemset: no parent attached");var l=this.parent.getContainer();if(!l)throw new Error("Cannot repaint itemset: parent has no container element");r.parentNode||(l.appendChild(r),t+=1),this.dom.axis.parentNode||(l.appendChild(this.dom.axis),t+=1),t+=e(r.style,"left",i(s.left,"0px")),t+=e(r.style,"top",i(s.top,"0px")),t+=e(r.style,"width",i(s.width,"100%")),t+=e(r.style,"height",i(s.height,this.height+"px")),t+=e(this.dom.axis.style,"left",i(s.left,"0px")),t+=e(this.dom.axis.style,"width",i(s.width,"100%")),t+="bottom"==n?e(this.dom.axis.style,"top",this.height+this.top+"px"):e(this.dom.axis.style,"top",this.top+"px"),this._updateConversion();var u=this,p=this.queue,g=this.itemsData,f=this.items,m={};for(var v in p)if(p.hasOwnProperty(v)){var y=p[v],_=f[v],b=y.action;switch(b){case"add":case"update":var w=g&&g.get(v,m);if(w){var S=w.type||w.start&&w.end&&"range"||s.type||"box",x=ItemSet.types[S];if(_&&(x&&_ instanceof x?(_.data=w,t++):(t+=_.hide(),_=null)),!_){if(!x)throw new TypeError('Unknown item type "'+S+'"');_=new x(u,w,s,o),_.id=y.id,t++}_.repaint(),f[v]=_}delete p[v];break;case"remove":_&&(_.selected&&u._deselect(v),t+=_.hide()),delete f[v],delete p[v];break;default:console.log('Error: unknown action "'+b+'"')}}return util.forEach(this.items,function(e){e.visible?(t+=e.show(),e.reposition()):t+=e.hide()}),t>0},ItemSet.prototype.getForeground=function(){return this.dom.foreground},ItemSet.prototype.getBackground=function(){return this.dom.background},ItemSet.prototype.getAxis=function(){return this.dom.axis},ItemSet.prototype.reflow=function(){var t=0,e=this.options,i=e.margin&&"axis"in e.margin?e.margin.axis:this.defaultOptions.margin.axis,s=e.margin&&"item"in e.margin?e.margin.item:this.defaultOptions.margin.item,n=util.updateProperty,o=util.option.asNumber,r=util.option.asSize,a=this.frame;if(a){this._updateConversion(),util.forEach(this.items,function(e){t+=e.reflow()}),this.stack.update();var h,d=o(e.maxHeight),c=null!=r(e.height);if(c)h=a.offsetHeight;else{var l=this.stack.ordered;if(l.length){var u=l[0].top,p=l[0].top+l[0].height;util.forEach(l,function(t){u=Math.min(u,t.top),p=Math.max(p,t.top+t.height)}),h=p-u+i+s}else h=i+s}null!=d&&(h=Math.min(h,d)),t+=n(this,"height",h),t+=n(this,"top",a.offsetTop),t+=n(this,"left",a.offsetLeft),t+=n(this,"width",a.offsetWidth)}else t+=1;return t>0},ItemSet.prototype.hide=function(){var t=!1;return this.frame&&this.frame.parentNode&&(this.frame.parentNode.removeChild(this.frame),t=!0),this.dom.axis&&this.dom.axis.parentNode&&(this.dom.axis.parentNode.removeChild(this.dom.axis),t=!0),t},ItemSet.prototype.setItems=function(t){var e,i=this,s=this.itemsData;if(t){if(!(t instanceof DataSet||t instanceof DataView))throw new TypeError("Data must be an instance of DataSet");this.itemsData=t}else this.itemsData=null;if(s&&(util.forEach(this.listeners,function(t,e){s.unsubscribe(e,t)}),e=s.getIds(),this._onRemove(e)),this.itemsData){var n=this.id;util.forEach(this.listeners,function(t,e){i.itemsData.on(e,t,n)}),e=this.itemsData.getIds(),this._onAdd(e)}},ItemSet.prototype.getItems=function(){return this.itemsData},ItemSet.prototype.removeItem=function(t){var e=this.itemsData.get(t),i=this._myDataSet();e&&this.options.onRemove(e,function(t){t&&i.remove(t)})},ItemSet.prototype._onUpdate=function(t){this._toQueue("update",t)},ItemSet.prototype._onAdd=function(t){this._toQueue("add",t)},ItemSet.prototype._onRemove=function(t){this._toQueue("remove",t)},ItemSet.prototype._toQueue=function(t,e){var i=this.queue;e.forEach(function(e){i[e]={id:e,action:t}}),this.controller&&this.requestRepaint()},ItemSet.prototype._updateConversion=function(){var t=this.range;if(!t)throw new Error("No range configured");this.conversion=t.conversion?t.conversion(this.width):Range.conversion(t.start,t.end,this.width)},ItemSet.prototype.toTime=function(t){var e=this.conversion;return new Date(t/e.scale+e.offset)},ItemSet.prototype.toScreen=function(t){var e=this.conversion;return(t.valueOf()-e.offset)*e.scale},ItemSet.prototype._onDragStart=function(t){if(this.options.editable){var e=ItemSet.itemFromTarget(t),i=this;if(e&&e.selected){var s=t.target.dragLeftItem,n=t.target.dragRightItem;this.touchParams.itemProps=s?[{item:s,start:e.data.start.valueOf()}]:n?[{item:n,end:e.data.end.valueOf()}]:this.getSelection().map(function(t){var e=i.items[t],s={item:e};return"start"in e.data&&(s.start=e.data.start.valueOf()),"end"in e.data&&(s.end=e.data.end.valueOf()),s}),t.stopPropagation()}}},ItemSet.prototype._onDrag=function(t){if(this.touchParams.itemProps){var e=this.options.snap||null,i=t.gesture.deltaX,s=i/this.conversion.scale;this.touchParams.itemProps.forEach(function(t){if("start"in t){var i=new Date(t.start+s);t.item.data.start=e?e(i):i}if("end"in t){var n=new Date(t.end+s);t.item.data.end=e?e(n):n}}),this.requestReflow(),t.stopPropagation()}},ItemSet.prototype._onDragEnd=function(t){if(this.touchParams.itemProps){var e=[],i=this,s=this._myDataSet();this.touchParams.itemProps.forEach(function(t){var n=t.item.id,o=i.itemsData.get(n),r=!1;"start"in t.item.data&&(r=t.start!=t.item.data.start.valueOf(),o.start=util.convert(t.item.data.start,s.convert.start)),"end"in t.item.data&&(r=r||t.end!=t.item.data.end.valueOf(),o.end=util.convert(t.item.data.end,s.convert.end)),r&&i.options.onMove(o,function(s){s?e.push(s):("start"in t&&(t.item.data.start=t.start),"end"in t&&(t.item.data.end=t.end),i.requestReflow())})}),this.touchParams.itemProps=null,e.length&&s.update(e),t.stopPropagation()}},ItemSet.itemFromTarget=function(t){for(var e=t.target;e;){if(e.hasOwnProperty("timeline-item"))return e["timeline-item"];e=e.parentNode}return null},ItemSet.itemSetFromTarget=function(t){for(var e=t.target;e;){if(e.hasOwnProperty("timeline-itemset"))return e["timeline-itemset"];e=e.parentNode}return null},ItemSet.prototype._myDataSet=function(){for(var t=this.itemsData;t instanceof DataView;)t=t.data;return t},Item.prototype.select=function(){this.selected=!0,this.visible&&this.repaint()},Item.prototype.unselect=function(){this.selected=!1,this.visible&&this.repaint()},Item.prototype.show=function(){return!1},Item.prototype.hide=function(){return!1},Item.prototype.repaint=function(){return!1},Item.prototype.reflow=function(){return!1},Item.prototype.setOffset=function(t){this.offset=t},Item.prototype._repaintDeleteButton=function(t){if(this.selected&&this.options.editable&&!this.dom.deleteButton){var e=this.parent,i=this.id,s=document.createElement("div");s.className="delete",s.title="Delete this item",Hammer(s,{preventDefault:!0}).on("tap",function(t){e.removeItem(i),t.stopPropagation()}),t.appendChild(s),this.dom.deleteButton=s}else!this.selected&&this.dom.deleteButton&&(this.dom.deleteButton.parentNode&&this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton),this.dom.deleteButton=null)},ItemBox.prototype=new Item(null,null),ItemBox.prototype.repaint=function(){var t=!1,e=this.dom;if(e||(this._create(),e=this.dom,t=!0),e){if(!this.parent)throw new Error("Cannot repaint item: no parent attached");if(!e.box.parentNode){var i=this.parent.getForeground();if(!i)throw new Error("Cannot repaint time axis: parent has no foreground container element");i.appendChild(e.box),t=!0}if(!e.line.parentNode){var s=this.parent.getBackground();if(!s)throw new Error("Cannot repaint time axis: parent has no background container element");s.appendChild(e.line),t=!0}if(!e.dot.parentNode){var n=this.parent.getAxis();if(!s)throw new Error("Cannot repaint time axis: parent has no axis container element");n.appendChild(e.dot),t=!0}if(this._repaintDeleteButton(e.box),this.data.content!=this.content){if(this.content=this.data.content,this.content instanceof Element)e.content.innerHTML="",e.content.appendChild(this.content);else{if(void 0==this.data.content)throw new Error('Property "content" missing in item '+this.data.id);e.content.innerHTML=this.content}t=!0}var o=(this.data.className?" "+this.data.className:"")+(this.selected?" selected":"");this.className!=o&&(this.className=o,e.box.className="item box"+o,e.line.className="item line"+o,e.dot.className="item dot"+o,t=!0)}return t},ItemBox.prototype.show=function(){return this.dom&&this.dom.box.parentNode?!1:this.repaint()},ItemBox.prototype.hide=function(){var t=!1,e=this.dom;return e&&(e.box.parentNode&&(e.box.parentNode.removeChild(e.box),t=!0),e.line.parentNode&&e.line.parentNode.removeChild(e.line),e.dot.parentNode&&e.dot.parentNode.removeChild(e.dot)),t},ItemBox.prototype.reflow=function(){var t,e,i,s,n,o,r,a,h,d,c,l,u=0;if(void 0==this.data.start)throw new Error('Property "start" missing in item '+this.data.id);if(c=this.data,l=this.parent&&this.parent.range,c&&l){var p=l.end-l.start;this.visible=c.start>l.start-p&&c.start0},ItemBox.prototype._create=function(){var t=this.dom;t||(this.dom=t={},t.box=document.createElement("DIV"),t.content=document.createElement("DIV"),t.content.className="content",t.box.appendChild(t.content),t.line=document.createElement("DIV"),t.line.className="line",t.dot=document.createElement("DIV"),t.dot.className="dot",t.box["timeline-item"]=this)},ItemBox.prototype.reposition=function(){var t=this.dom,e=this.props,i=this.options.orientation||this.defaultOptions.orientation;if(t){var s=t.box,n=t.line,o=t.dot;s.style.left=this.left+"px",s.style.top=this.top+"px",n.style.left=e.line.left+"px","top"==i?(n.style.top="0px",n.style.height=this.top+"px"):(n.style.top=this.top+this.height+"px",n.style.height=Math.max(this.parent.height-this.top-this.height+this.props.dot.height/2,0)+"px"),o.style.left=e.dot.left+"px",o.style.top=e.dot.top+"px"}},ItemPoint.prototype=new Item(null,null),ItemPoint.prototype.repaint=function(){var t=!1,e=this.dom;if(e||(this._create(),e=this.dom,t=!0),e){if(!this.parent)throw new Error("Cannot repaint item: no parent attached");var i=this.parent.getForeground();if(!i)throw new Error("Cannot repaint time axis: parent has no foreground container element");if(e.point.parentNode||(i.appendChild(e.point),i.appendChild(e.point),t=!0),this.data.content!=this.content){if(this.content=this.data.content,this.content instanceof Element)e.content.innerHTML="",e.content.appendChild(this.content);else{if(void 0==this.data.content)throw new Error('Property "content" missing in item '+this.data.id);e.content.innerHTML=this.content}t=!0}this._repaintDeleteButton(e.point);var s=(this.data.className?" "+this.data.className:"")+(this.selected?" selected":"");this.className!=s&&(this.className=s,e.point.className="item point"+s,t=!0)}return t},ItemPoint.prototype.show=function(){return this.dom&&this.dom.point.parentNode?!1:this.repaint()},ItemPoint.prototype.hide=function(){var t=!1,e=this.dom;return e&&e.point.parentNode&&(e.point.parentNode.removeChild(e.point),t=!0),t},ItemPoint.prototype.reflow=function(){var t,e,i,s,n,o,r,a,h,d,c=0;if(void 0==this.data.start)throw new Error('Property "start" missing in item '+this.data.id);if(h=this.data,d=this.parent&&this.parent.range,h&&d){var l=d.end-d.start;this.visible=h.start>d.start-l&&h.start0},ItemPoint.prototype._create=function(){var t=this.dom;t||(this.dom=t={},t.point=document.createElement("div"),t.content=document.createElement("div"),t.content.className="content",t.point.appendChild(t.content),t.dot=document.createElement("div"),t.dot.className="dot",t.point.appendChild(t.dot),t.point["timeline-item"]=this)},ItemPoint.prototype.reposition=function(){var t=this.dom,e=this.props;t&&(t.point.style.top=this.top+"px",t.point.style.left=this.left+"px",t.content.style.marginLeft=e.content.marginLeft+"px",t.dot.style.top=e.dot.top+"px")},ItemRange.prototype=new Item(null,null),ItemRange.prototype.repaint=function(){var t=!1,e=this.dom;if(e||(this._create(),e=this.dom,t=!0),e){if(!this.parent)throw new Error("Cannot repaint item: no parent attached");var i=this.parent.getForeground();if(!i)throw new Error("Cannot repaint time axis: parent has no foreground container element");if(e.box.parentNode||(i.appendChild(e.box),t=!0),this.data.content!=this.content){if(this.content=this.data.content,this.content instanceof Element)e.content.innerHTML="",e.content.appendChild(this.content);else{if(void 0==this.data.content)throw new Error('Property "content" missing in item '+this.data.id);e.content.innerHTML=this.content}t=!0}this._repaintDeleteButton(e.box),this._repaintDragLeft(),this._repaintDragRight();var s=(this.data.className?" "+this.data.className:"")+(this.selected?" selected":"");this.className!=s&&(this.className=s,e.box.className="item range"+s,t=!0)}return t},ItemRange.prototype.show=function(){return this.dom&&this.dom.box.parentNode?!1:this.repaint()},ItemRange.prototype.hide=function(){var t=!1,e=this.dom;return e&&e.box.parentNode&&(e.box.parentNode.removeChild(e.box),t=!0),t},ItemRange.prototype.reflow=function(){var t,e,i,s,n,o,r,a,h,d,c,l,u,p,g,f,m=0;if(void 0==this.data.start)throw new Error('Property "start" missing in item '+this.data.id);if(void 0==this.data.end)throw new Error('Property "end" missing in item '+this.data.id);return h=this.data,d=this.parent&&this.parent.range,this.visible=h&&d?h.startd.start:!1,this.visible&&(t=this.dom,t?(e=this.props,i=this.options,o=this.parent,r=o.toScreen(this.data.start)+this.offset,a=o.toScreen(this.data.end)+this.offset,c=util.updateProperty,l=t.box,u=o.width,g=i.orientation||this.defaultOptions.orientation,s=i.margin&&i.margin.axis||this.defaultOptions.margin.axis,n=i.padding||this.defaultOptions.padding,m+=c(e.content,"width",t.content.offsetWidth),m+=c(this,"height",l.offsetHeight),-u>r&&(r=-u),a>2*u&&(a=2*u),p=0>r?Math.min(-r,a-r-e.content.width-2*n):0,m+=c(e.content,"left",p),"top"==g?(f=s,m+=c(this,"top",f)):(f=o.height-this.height-s,m+=c(this,"top",f)),m+=c(this,"left",r),m+=c(this,"width",Math.max(a-r,1))):m+=1),m>0},ItemRange.prototype._create=function(){var t=this.dom;t||(this.dom=t={},t.box=document.createElement("div"),t.content=document.createElement("div"),t.content.className="content",t.box.appendChild(t.content),t.box["timeline-item"]=this)},ItemRange.prototype.reposition=function(){var t=this.dom,e=this.props;t&&(t.box.style.top=this.top+"px",t.box.style.left=this.left+"px",t.box.style.width=this.width+"px",t.content.style.left=e.content.left+"px")},ItemRange.prototype._repaintDragLeft=function(){if(this.selected&&this.options.editable&&!this.dom.dragLeft){var t=document.createElement("div");t.className="drag-left",t.dragLeftItem=this,Hammer(t,{preventDefault:!0}).on("drag",function(){}),this.dom.box.appendChild(t),this.dom.dragLeft=t}else!this.selected&&this.dom.dragLeft&&(this.dom.dragLeft.parentNode&&this.dom.dragLeft.parentNode.removeChild(this.dom.dragLeft),this.dom.dragLeft=null)},ItemRange.prototype._repaintDragRight=function(){if(this.selected&&this.options.editable&&!this.dom.dragRight){var t=document.createElement("div");t.className="drag-right",t.dragRightItem=this,Hammer(t,{preventDefault:!0}).on("drag",function(){}),this.dom.box.appendChild(t),this.dom.dragRight=t}else!this.selected&&this.dom.dragRight&&(this.dom.dragRight.parentNode&&this.dom.dragRight.parentNode.removeChild(this.dom.dragRight),this.dom.dragRight=null)},ItemRangeOverflow.prototype=new ItemRange(null,null),ItemRangeOverflow.prototype.repaint=function(){var t=!1,e=this.dom;if(e||(this._create(),e=this.dom,t=!0),e){if(!this.parent)throw new Error("Cannot repaint item: no parent attached");var i=this.parent.getForeground();if(!i)throw new Error("Cannot repaint time axis: parent has no foreground container element");if(e.box.parentNode||(i.appendChild(e.box),t=!0),this.data.content!=this.content){if(this.content=this.data.content,this.content instanceof Element)e.content.innerHTML="",e.content.appendChild(this.content);else{if(void 0==this.data.content)throw new Error('Property "content" missing in item '+this.id);e.content.innerHTML=this.content}t=!0}this._repaintDeleteButton(e.box),this._repaintDragLeft(),this._repaintDragRight();var s=(this.data.className?" "+this.data.className:"")+(this.selected?" selected":"");this.className!=s&&(this.className=s,e.box.className="item rangeoverflow"+s,t=!0)}return t},ItemRangeOverflow.prototype.reposition=function(){var t=this.dom,e=this.props;t&&(t.box.style.top=this.top+"px",t.box.style.left=this.left+"px",t.box.style.width=this._width+"px",t.content.style.left=e.content.left+"px")},Group.prototype=new Component,Group.prototype.setOptions=Component.prototype.setOptions,Group.prototype.getContainer=function(){return this.parent.getContainer()},Group.prototype.setItems=function(t){if(this.itemset&&(this.itemset.hide(),this.itemset.setItems(),this.parent.controller.remove(this.itemset),this.itemset=null),t){var e=this.groupId,i=Object.create(this.options);this.itemset=new ItemSet(this,null,i),this.itemset.setRange(this.parent.range),this.view=new DataView(t,{filter:function(t){return t.group==e}}),this.itemset.setItems(this.view),this.parent.controller.add(this.itemset)}},Group.prototype.setSelection=function(t){this.itemset&&this.itemset.setSelection(t)},Group.prototype.getSelection=function(){return this.itemset?this.itemset.getSelection():[]},Group.prototype.repaint=function(){return!1},Group.prototype.reflow=function(){var t=0,e=util.updateProperty;if(t+=e(this,"top",this.itemset?this.itemset.top:0),t+=e(this,"height",this.itemset?this.itemset.height:0),this.label){var i=this.label.firstChild;t+=e(this.props.label,"width",i.clientWidth),t+=e(this.props.label,"height",i.clientHeight)}else t+=e(this.props.label,"width",0),t+=e(this.props.label,"height",0);return t>0},GroupSet.prototype=new Panel,GroupSet.prototype.setOptions=Component.prototype.setOptions,GroupSet.prototype.setRange=function(){},GroupSet.prototype.setItems=function(t){this.itemsData=t;for(var e in this.groups)if(this.groups.hasOwnProperty(e)){var i=this.groups[e];i.setItems(t)}},GroupSet.prototype.getItems=function(){return this.itemsData},GroupSet.prototype.setRange=function(t){this.range=t},GroupSet.prototype.setGroups=function(t){var e,i=this;if(this.groupsData&&(util.forEach(this.listeners,function(t,e){i.groupsData.unsubscribe(e,t)}),e=this.groupsData.getIds(),this._onRemove(e)),t?t instanceof DataSet?this.groupsData=t:(this.groupsData=new DataSet({convert:{start:"Date",end:"Date"}}),this.groupsData.add(t)):this.groupsData=null,this.groupsData){var s=this.id;util.forEach(this.listeners,function(t,e){i.groupsData.on(e,t,s)}),e=this.groupsData.getIds(),this._onAdd(e)}},GroupSet.prototype.getGroups=function(){return this.groupsData},GroupSet.prototype.setSelection=function(t){var e=[],i=this.groups;for(var s in i)if(i.hasOwnProperty(s)){var n=i[s];n.setSelection(t)}return e},GroupSet.prototype.getSelection=function(){var t=[],e=this.groups;for(var i in e)if(e.hasOwnProperty(i)){var s=e[i];t=t.concat(s.getSelection())}return t},GroupSet.prototype.repaint=function(){var t,e,i,s,n=0,o=util.updateProperty,r=util.option.asSize,a=util.option.asElement,h=this.options,d=this.dom.frame,c=this.dom.labels,l=this.dom.labelSet;if(!this.parent)throw new Error("Cannot repaint groupset: no parent attached");var u=this.parent.getContainer();if(!u)throw new Error("Cannot repaint groupset: parent has no container element");if(!d){d=document.createElement("div"),d.className="groupset",d["timeline-groupset"]=this,this.dom.frame=d;var p=h.className;p&&util.addClassName(d,util.option.asString(p)),n+=1}d.parentNode||(u.appendChild(d),n+=1);var g=a(h.labelContainer);if(!g)throw new Error('Cannot repaint groupset: option "labelContainer" not defined');c||(c=document.createElement("div"),c.className="labels",this.dom.labels=c),l||(l=document.createElement("div"),l.className="label-set",c.appendChild(l),this.dom.labelSet=l),c.parentNode&&c.parentNode==g||(c.parentNode&&c.parentNode.removeChild(c.parentNode),g.appendChild(c)),n+=o(d.style,"height",r(h.height,this.height+"px")),n+=o(d.style,"top",r(h.top,"0px")),n+=o(d.style,"left",r(h.left,"0px")),n+=o(d.style,"width",r(h.width,"100%")),n+=o(l.style,"top",r(h.top,"0px")),n+=o(l.style,"height",r(h.height,this.height+"px")); -var f=this,m=this.queue,v=this.groups,y=this.groupsData,_=Object.keys(m);if(_.length){_.forEach(function(t){var e=m[t],i=v[t];switch(e){case"add":case"update":if(!i){var s=Object.create(f.options);util.extend(s,{height:null,maxHeight:null}),i=new Group(f,t,s),i.setItems(f.itemsData),v[t]=i,f.controller.add(i)}i.data=y.get(t),delete m[t];break;case"remove":i&&(i.setItems(),delete v[t],f.controller.remove(i)),delete m[t];break;default:console.log('Error: unknown action "'+e+'"')}});var b=this.groupsData.getIds({order:this.options.groupOrder});for(t=0;t0},GroupSet.prototype._createLabel=function(t){var e=this.groups[t],i=document.createElement("div");i.className="vlabel";var s=document.createElement("div");s.className="inner",i.appendChild(s);var n=e.data&&e.data.content;n instanceof Element?s.appendChild(n):void 0!=n&&(s.innerHTML=n);var o=e.data&&e.data.className;return o&&util.addClassName(i,o),e.label=i,i},GroupSet.prototype.getContainer=function(){return this.dom.frame},GroupSet.prototype.getLabelsWidth=function(){return this.props.labels.width},GroupSet.prototype.reflow=function(){var t,e,i=0,s=this.options,n=util.updateProperty,o=util.option.asNumber,r=util.option.asSize,a=this.dom.frame;if(a){var h,d=o(s.maxHeight),c=null!=r(s.height);if(c)h=a.offsetHeight;else{h=0;for(t in this.groups)this.groups.hasOwnProperty(t)&&(e=this.groups[t],h+=e.height)}null!=d&&(h=Math.min(h,d)),i+=n(this,"height",h),i+=n(this,"top",a.offsetTop),i+=n(this,"left",a.offsetLeft),i+=n(this,"width",a.offsetWidth)}var l=0;for(t in this.groups)if(this.groups.hasOwnProperty(t)){e=this.groups[t];var u=e.props&&e.props.label&&e.props.label.width||0;l=Math.max(l,u)}return i+=n(this.props.labels,"width",l),i>0},GroupSet.prototype.hide=function(){return this.dom.frame&&this.dom.frame.parentNode?(this.dom.frame.parentNode.removeChild(this.dom.frame),!0):!1},GroupSet.prototype.show=function(){return this.dom.frame&&this.dom.frame.parentNode?!1:this.repaint()},GroupSet.prototype._onUpdate=function(t){this._toQueue(t,"update")},GroupSet.prototype._onAdd=function(t){this._toQueue(t,"add")},GroupSet.prototype._onRemove=function(t){this._toQueue(t,"remove")},GroupSet.prototype._toQueue=function(t,e){var i=this.queue;t.forEach(function(t){i[t]=e}),this.controller&&this.requestRepaint()},GroupSet.groupFromTarget=function(t){for(var e,i=t.target;i;){if(i.hasOwnProperty("timeline-groupset")){e=i["timeline-groupset"];break}i=i.parentNode}if(e)for(var s in e.groups)if(e.groups.hasOwnProperty(s)){var n=e.groups[s];if(n.itemset&&ItemSet.itemSetFromTarget(t)==n.itemset)return n}return null},Timeline.prototype.on=function(t,e){this.controller.on(t,e)},Timeline.prototype.off=function(t,e){this.controller.off(t,e)},Timeline.prototype.setOptions=function(t){util.extend(this.options,t),this.range.setRange(t.start,t.end),("editable"in t||"selectable"in t)&&this.setSelection(this.options.selectable?this.getSelection():[]);var e=function(t){if(!(this.options[t]instanceof Function)||2!=this.options[t].length)throw new Error("option "+t+" must be a function "+t+"(item, callback)")}.bind(this);["onAdd","onUpdate","onRemove","onMove"].forEach(e),this.controller.reflow(),this.controller.repaint()},Timeline.prototype.setCustomTime=function(t){if(!this.customtime)throw new Error("Cannot get custom time: Custom time bar is not enabled");this.customtime.setCustomTime(t)},Timeline.prototype.getCustomTime=function(){if(!this.customtime)throw new Error("Cannot get custom time: Custom time bar is not enabled");return this.customtime.getCustomTime()},Timeline.prototype.setItems=function(t){var e,i=null==this.itemsData;if(t?t instanceof DataSet&&(e=t):e=null,t instanceof DataSet||(e=new DataSet({convert:{start:"Date",end:"Date"}}),e.add(t)),this.itemsData=e,this.content.setItems(e),i&&(void 0==this.options.start||void 0==this.options.end)){var s=this.getItemRange(),n=s.min,o=s.max;if(null!=n&&null!=o){var r=o.valueOf()-n.valueOf();0>=r&&(r=864e5),n=new Date(n.valueOf()-.05*r),o=new Date(o.valueOf()+.05*r)}void 0!=this.options.start&&(n=util.convert(this.options.start,"Date")),void 0!=this.options.end&&(o=util.convert(this.options.end,"Date")),(null!=n||null!=o)&&this.range.setRange(n,o)}},Timeline.prototype.setGroups=function(t){var e=this;this.groupsData=t;var i=this.groupsData?GroupSet:ItemSet;if(!(this.content instanceof i)){this.content&&(this.content.hide(),this.content.setItems&&this.content.setItems(),this.content.setGroups&&this.content.setGroups(),this.controller.remove(this.content));var s=Object.create(this.options);util.extend(s,{top:function(){return"top"==e.options.orientation?e.timeaxis.height:e.itemPanel.height-e.timeaxis.height-e.content.height},left:null,width:"100%",height:function(){return e.options.height?e.itemPanel.height-e.timeaxis.height:null},maxHeight:function(){if(e.options.maxHeight){if(!util.isNumber(e.options.maxHeight))throw new TypeError("Number expected for property maxHeight");return e.options.maxHeight-e.timeaxis.height}return null},labelContainer:function(){return e.labelPanel.getContainer()}}),this.content=new i(this.itemPanel,[this.timeaxis],s),this.content.setRange&&this.content.setRange(this.range),this.content.setItems&&this.content.setItems(this.itemsData),this.content.setGroups&&this.content.setGroups(this.groupsData),this.controller.add(this.content)}},Timeline.prototype.getItemRange=function(){var t=this.itemsData,e=null,i=null;if(t){var s=t.min("start");e=s?s.start.valueOf():null;var n=t.max("start");n&&(i=n.start.valueOf());var o=t.max("end");o&&(i=null==i?o.end.valueOf():Math.max(i,o.end.valueOf()))}return{min:null!=e?new Date(e):null,max:null!=i?new Date(i):null}},Timeline.prototype.setSelection=function(t){this.content&&this.content.setSelection(t)},Timeline.prototype.getSelection=function(){return this.content?this.content.getSelection():[]},Timeline.prototype.setWindow=function(t,e){this.range.setRange(t,e)},Timeline.prototype.getWindow=function(){var t=this.range.getRange();return{start:new Date(t.start),end:new Date(t.end)}},Timeline.prototype._onSelectItem=function(t){if(this.options.selectable){var e=t.gesture.srcEvent&&t.gesture.srcEvent.ctrlKey,i=t.gesture.srcEvent&&t.gesture.srcEvent.shiftKey;if(e||i)return void this._onMultiSelectItem(t);var s=ItemSet.itemFromTarget(t),n=s?[s.id]:[];this.setSelection(n),this.controller.emit("select",{items:this.getSelection()}),t.stopPropagation()}},Timeline.prototype._onAddItem=function(t){if(this.options.selectable&&this.options.editable){var e=this,i=ItemSet.itemFromTarget(t);if(i){var s=e.itemsData.get(i.id);this.options.onUpdate(s,function(t){t&&e.itemsData.update(t)})}else{var n=vis.util.getAbsoluteLeft(this.rootPanel.frame),o=t.gesture.center.pageX-n,r={start:this.timeaxis.snap(this._toTime(o)),content:"new item"},a=util.randomUUID();r[this.itemsData.fieldId]=a;var h=GroupSet.groupFromTarget(t);h&&(r.group=h.groupId),this.options.onAdd(r,function(t){t&&(e.itemsData.add(r),e.controller.once("repaint",function(){e.setSelection([a]),e.controller.emit("select",{items:e.getSelection()})}.bind(e)))})}}},Timeline.prototype._onMultiSelectItem=function(t){if(this.options.selectable){var e,i=ItemSet.itemFromTarget(t);if(i){e=this.getSelection();var s=e.indexOf(i.id);-1==s?e.push(i.id):e.splice(s,1),this.setSelection(e),this.controller.emit("select",{items:this.getSelection()}),t.stopPropagation()}}},Timeline.prototype._toTime=function(t){var e=this.range.conversion(this.content.width);return new Date(t/e.scale+e.offset)},Timeline.prototype._toScreen=function(t){var e=this.range.conversion(this.content.width);return(t.valueOf()-e.offset)*e.scale},function(t){function e(t){return D=t,u()}function i(){C=0,M=D.charAt(0)}function s(){C++,M=D.charAt(C)}function n(){return D.charAt(C+1)}function o(t){return O.test(t)}function r(t,e){if(t||(t={}),e)for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i]);return t}function a(t,e,i){for(var s=e.split("."),n=t;s.length;){var o=s.shift();s.length?(n[o]||(n[o]={}),n=n[o]):n[o]=i}}function h(t,e){for(var i,s,n=null,o=[t],a=t;a.parent;)o.push(a.parent),a=a.parent;if(a.nodes)for(i=0,s=a.nodes.length;s>i;i++)if(e.id===a.nodes[i].id){n=a.nodes[i];break}for(n||(n={id:e.id},t.node&&(n.attr=r(n.attr,t.node))),i=o.length-1;i>=0;i--){var h=o[i];h.nodes||(h.nodes=[]),-1==h.nodes.indexOf(n)&&h.nodes.push(n)}e.attr&&(n.attr=r(n.attr,e.attr))}function d(t,e){if(t.edges||(t.edges=[]),t.edges.push(e),t.edge){var i=r({},t.edge);e.attr=r(i,e.attr)}}function c(t,e,i,s,n){var o={from:e,to:i,type:s};return t.edge&&(o.attr=r({},t.edge)),o.attr=r(o.attr||{},n),o}function l(){for(N=E.NULL,I="";" "==M||" "==M||"\n"==M||"\r"==M;)s();do{var t=!1;if("#"==M){for(var e=C-1;" "==D.charAt(e)||" "==D.charAt(e);)e--;if("\n"==D.charAt(e)||""==D.charAt(e)){for(;""!=M&&"\n"!=M;)s();t=!0}}if("/"==M&&"/"==n()){for(;""!=M&&"\n"!=M;)s();t=!0}if("/"==M&&"*"==n()){for(;""!=M;){if("*"==M&&"/"==n()){s(),s();break}s()}t=!0}for(;" "==M||" "==M||"\n"==M||"\r"==M;)s()}while(t);if(""==M)return void(N=E.DELIMITER);var i=M+n();if(T[i])return N=E.DELIMITER,I=i,s(),void s();if(T[M])return N=E.DELIMITER,I=M,void s();if(o(M)||"-"==M){for(I+=M,s();o(M);)I+=M,s();return"false"==I?I=!1:"true"==I?I=!0:isNaN(Number(I))||(I=Number(I)),void(N=E.IDENTIFIER)}if('"'==M){for(s();""!=M&&('"'!=M||'"'==M&&'"'==n());)I+=M,'"'==M&&s(),s();if('"'!=M)throw b('End of string " expected');return s(),void(N=E.IDENTIFIER)}for(N=E.UNKNOWN;""!=M;)I+=M,s();throw new SyntaxError('Syntax error in part "'+w(I,30)+'"')}function u(){var t={};if(i(),l(),"strict"==I&&(t.strict=!0,l()),("graph"==I||"digraph"==I)&&(t.type=I,l()),N==E.IDENTIFIER&&(t.id=I,l()),"{"!=I)throw b("Angle bracket { expected");if(l(),p(t),"}"!=I)throw b("Angle bracket } expected");if(l(),""!==I)throw b("End of file expected");return l(),delete t.node,delete t.edge,delete t.graph,t}function p(t){for(;""!==I&&"}"!=I;)g(t),";"==I&&l()}function g(t){var e=f(t);if(e)return void y(t,e);var i=m(t);if(!i){if(N!=E.IDENTIFIER)throw b("Identifier expected");var s=I;if(l(),"="==I){if(l(),N!=E.IDENTIFIER)throw b("Identifier expected");t[s]=I,l()}else v(t,s)}}function f(t){var e=null;if("subgraph"==I&&(e={},e.type="subgraph",l(),N==E.IDENTIFIER&&(e.id=I,l())),"{"==I){if(l(),e||(e={}),e.parent=t,e.node=t.node,e.edge=t.edge,e.graph=t.graph,p(e),"}"!=I)throw b("Angle bracket } expected");l(),delete e.node,delete e.edge,delete e.graph,delete e.parent,t.subgraphs||(t.subgraphs=[]),t.subgraphs.push(e)}return e}function m(t){return"node"==I?(l(),t.node=_(),"node"):"edge"==I?(l(),t.edge=_(),"edge"):"graph"==I?(l(),t.graph=_(),"graph"):null}function v(t,e){var i={id:e},s=_();s&&(i.attr=s),h(t,i),y(t,e)}function y(t,e){for(;"->"==I||"--"==I;){var i,s=I;l();var n=f(t);if(n)i=n;else{if(N!=E.IDENTIFIER)throw b("Identifier or subgraph expected");i=I,h(t,{id:i}),l()}var o=_(),r=c(t,e,i,s,o);d(t,r),e=i}}function _(){for(var t=null;"["==I;){for(l(),t={};""!==I&&"]"!=I;){if(N!=E.IDENTIFIER)throw b("Attribute name expected");var e=I;if(l(),"="!=I)throw b("Equal sign = expected");if(l(),N!=E.IDENTIFIER)throw b("Attribute value expected");var i=I;a(t,e,i),l(),","==I&&l()}if("]"!=I)throw b("Bracket ] expected");l()}return t}function b(t){return new SyntaxError(t+', got "'+w(I,30)+'" (char '+C+")")}function w(t,e){return t.length<=e?t:t.substr(0,27)+"..."}function S(t,e,i){t instanceof Array?t.forEach(function(t){e instanceof Array?e.forEach(function(e){i(t,e)}):i(t,e)}):e instanceof Array?e.forEach(function(e){i(t,e)}):i(t,e)}function x(t){function i(t){var e={from:t.from,to:t.to};return r(e,t.attr),e.style="->"==t.type?"arrow":"line",e}var s=e(t),n={nodes:[],edges:[],options:{}};return s.nodes&&s.nodes.forEach(function(t){var e={id:t.id,label:String(t.label||t.id)};r(e,t.attr),e.image&&(e.shape="image"),n.nodes.push(e)}),s.edges&&s.edges.forEach(function(t){var e,s;e=t.from instanceof Object?t.from.nodes:{id:t.from},s=t.to instanceof Object?t.to.nodes:{id:t.to},t.from instanceof Object&&t.from.edges&&t.from.edges.forEach(function(t){var e=i(t);n.edges.push(e)}),S(e,s,function(e,s){var o=c(n,e.id,s.id,t.type,t.attr),r=i(o);n.edges.push(r)}),t.to instanceof Object&&t.to.edges&&t.to.edges.forEach(function(t){var e=i(t);n.edges.push(e)})}),s.attr&&(n.options=s.attr),n}var E={NULL:0,DELIMITER:1,IDENTIFIER:2,UNKNOWN:3},T={"{":!0,"}":!0,"[":!0,"]":!0,";":!0,"=":!0,",":!0,"->":!0,"--":!0},D="",C=0,M="",I="",N=E.NULL,O=/[a-zA-Z_0-9.:#]/;t.parseDOT=e,t.DOTToGraph=x}("undefined"!=typeof util?util:exports),"undefined"!=typeof CanvasRenderingContext2D&&(CanvasRenderingContext2D.prototype.circle=function(t,e,i){this.beginPath(),this.arc(t,e,i,0,2*Math.PI,!1)},CanvasRenderingContext2D.prototype.square=function(t,e,i){this.beginPath(),this.rect(t-i,e-i,2*i,2*i)},CanvasRenderingContext2D.prototype.triangle=function(t,e,i){this.beginPath();var s=2*i,n=s/2,o=Math.sqrt(3)/6*s,r=Math.sqrt(s*s-n*n);this.moveTo(t,e-(r-o)),this.lineTo(t+n,e+o),this.lineTo(t-n,e+o),this.lineTo(t,e-(r-o)),this.closePath()},CanvasRenderingContext2D.prototype.triangleDown=function(t,e,i){this.beginPath();var s=2*i,n=s/2,o=Math.sqrt(3)/6*s,r=Math.sqrt(s*s-n*n);this.moveTo(t,e+(r-o)),this.lineTo(t+n,e-o),this.lineTo(t-n,e-o),this.lineTo(t,e+(r-o)),this.closePath()},CanvasRenderingContext2D.prototype.star=function(t,e,i){this.beginPath();for(var s=0;10>s;s++){var n=s%2===0?1.3*i:.5*i;this.lineTo(t+n*Math.sin(2*s*Math.PI/10),e-n*Math.cos(2*s*Math.PI/10))}this.closePath()},CanvasRenderingContext2D.prototype.roundRect=function(t,e,i,s,n){var o=Math.PI/180;0>i-2*n&&(n=i/2),0>s-2*n&&(n=s/2),this.beginPath(),this.moveTo(t+n,e),this.lineTo(t+i-n,e),this.arc(t+i-n,e+n,n,270*o,360*o,!1),this.lineTo(t+i,e+s-n),this.arc(t+i-n,e+s-n,n,0,90*o,!1),this.lineTo(t+n,e+s),this.arc(t+n,e+s-n,n,90*o,180*o,!1),this.lineTo(t,e+n),this.arc(t+n,e+n,n,180*o,270*o,!1)},CanvasRenderingContext2D.prototype.ellipse=function(t,e,i,s){var n=.5522848,o=i/2*n,r=s/2*n,a=t+i,h=e+s,d=t+i/2,c=e+s/2;this.beginPath(),this.moveTo(t,c),this.bezierCurveTo(t,c-r,d-o,e,d,e),this.bezierCurveTo(d+o,e,a,c-r,a,c),this.bezierCurveTo(a,c+r,d+o,h,d,h),this.bezierCurveTo(d-o,h,t,c+r,t,c)},CanvasRenderingContext2D.prototype.database=function(t,e,i,s){var n=1/3,o=i,r=s*n,a=.5522848,h=o/2*a,d=r/2*a,c=t+o,l=e+r,u=t+o/2,p=e+r/2,g=e+(s-r/2),f=e+s;this.beginPath(),this.moveTo(c,p),this.bezierCurveTo(c,p+d,u+h,l,u,l),this.bezierCurveTo(u-h,l,t,p+d,t,p),this.bezierCurveTo(t,p-d,u-h,e,u,e),this.bezierCurveTo(u+h,e,c,p-d,c,p),this.lineTo(c,g),this.bezierCurveTo(c,g+d,u+h,f,u,f),this.bezierCurveTo(u-h,f,t,g+d,t,g),this.lineTo(t,p)},CanvasRenderingContext2D.prototype.arrow=function(t,e,i,s){var n=t-s*Math.cos(i),o=e-s*Math.sin(i),r=t-.9*s*Math.cos(i),a=e-.9*s*Math.sin(i),h=n+s/3*Math.cos(i+.5*Math.PI),d=o+s/3*Math.sin(i+.5*Math.PI),c=n+s/3*Math.cos(i-.5*Math.PI),l=o+s/3*Math.sin(i-.5*Math.PI);this.beginPath(),this.moveTo(t,e),this.lineTo(h,d),this.lineTo(r,a),this.lineTo(c,l),this.closePath()},CanvasRenderingContext2D.prototype.dashedLine=function(t,e,i,s,n){n||(n=[10,5]),0==u&&(u=.001);var o=n.length;this.moveTo(t,e);for(var r=i-t,a=s-e,h=a/r,d=Math.sqrt(r*r+a*a),c=0,l=!0;d>=.1;){var u=n[c++%o];u>d&&(u=d);var p=Math.sqrt(u*u/(1+h*h));0>r&&(p=-p),t+=p,e+=h*p,this[l?"lineTo":"moveTo"](t,e),d-=u,l=!l}}),Node.prototype.resetCluster=function(){this.formationScale=void 0,this.clusterSize=1,this.containedNodes={},this.containedEdges={},this.clusterSessions=[]},Node.prototype.attachEdge=function(t){-1==this.edges.indexOf(t)&&this.edges.push(t),-1==this.dynamicEdges.indexOf(t)&&this.dynamicEdges.push(t),this.dynamicEdgesLength=this.dynamicEdges.length},Node.prototype.detachEdge=function(t){var e=this.edges.indexOf(t);-1!=e&&(this.edges.splice(e,1),this.dynamicEdges.splice(e,1)),this.dynamicEdgesLength=this.dynamicEdges.length},Node.prototype.setProperties=function(t,e){if(t){if(this.originalLabel=void 0,void 0!==t.id&&(this.id=t.id),void 0!==t.label&&(this.label=t.label,this.originalLabel=t.label),void 0!==t.title&&(this.title=t.title),void 0!==t.group&&(this.group=t.group),void 0!==t.x&&(this.x=t.x),void 0!==t.y&&(this.y=t.y),void 0!==t.value&&(this.value=t.value),void 0!==t.level&&(this.level=t.level,this.preassignedLevel=!0),void 0!==t.mass&&(this.mass=t.mass),void 0!==t.horizontalAlignLeft&&(this.horizontalAlignLeft=t.horizontalAlignLeft),void 0!==t.verticalAlignTop&&(this.verticalAlignTop=t.verticalAlignTop),void 0!==t.triggerFunction&&(this.triggerFunction=t.triggerFunction),void 0===this.id)throw"Node must have an id";if(this.group){var i=this.grouplist.get(this.group);for(var s in i)i.hasOwnProperty(s)&&(this[s]=i[s])}if(void 0!==t.shape&&(this.shape=t.shape),void 0!==t.image&&(this.image=t.image),void 0!==t.radius&&(this.radius=t.radius),void 0!==t.color&&(this.color=util.parseColor(t.color)),void 0!==t.fontColor&&(this.fontColor=t.fontColor),void 0!==t.fontSize&&(this.fontSize=t.fontSize),void 0!==t.fontFace&&(this.fontFace=t.fontFace),void 0!==this.image&&""!=this.image){if(!this.imagelist)throw"No imagelist provided";this.imageObj=this.imagelist.load(this.image)}switch(this.xFixed=this.xFixed||void 0!==t.x&&!t.allowedToMoveX,this.yFixed=this.yFixed||void 0!==t.y&&!t.allowedToMoveY,this.radiusFixed=this.radiusFixed||void 0!==t.radius,"image"==this.shape&&(this.radiusMin=e.nodes.widthMin,this.radiusMax=e.nodes.widthMax),this.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;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}this._reset()}},Node.prototype.select=function(){this.selected=!0,this._reset()},Node.prototype.unselect=function(){this.selected=!1,this._reset()},Node.prototype.clearSizeCache=function(){this._reset()},Node.prototype._reset=function(){this.width=void 0,this.height=void 0},Node.prototype.getTitle=function(){return"function"==typeof this.title?this.title():this.title},Node.prototype.distanceToBorder=function(t,e){var i=1;switch(this.width||this.resize(t),this.shape){case"circle":case"dot":return this.radius+i;case"ellipse":var s=this.width/2,n=this.height/2,o=Math.sin(e)*s,r=Math.cos(e)*n;return s*n/Math.sqrt(o*o+r*r);case"box":case"image":case"text":default:return this.width?Math.min(Math.abs(this.width/2/Math.cos(e)),Math.abs(this.height/2/Math.sin(e)))+i:0}},Node.prototype._setForce=function(t,e){this.fx=t,this.fy=e},Node.prototype._addForce=function(t,e){this.fx+=t,this.fy+=e},Node.prototype.discreteStep=function(t){if(!this.xFixed){var e=this.damping*this.vx,i=(this.fx-e)/this.mass;this.vx+=i*t,this.x+=this.vx*t}if(!this.yFixed){var s=this.damping*this.vy,n=(this.fy-s)/this.mass;this.vy+=n*t,this.y+=this.vy*t}},Node.prototype.discreteStepLimited=function(t,e){if(this.xFixed)this.fx=0;else{var i=this.damping*this.vx,s=(this.fx-i)/this.mass;this.vx+=s*t,this.vx=Math.abs(this.vx)>e?this.vx>0?e:-e:this.vx,this.x+=this.vx*t}if(this.yFixed)this.fy=0;else{var n=this.damping*this.vy,o=(this.fy-n)/this.mass;this.vy+=o*t,this.vy=Math.abs(this.vy)>e?this.vy>0?e:-e:this.vy,this.y+=this.vy*t}},Node.prototype.isFixed=function(){return this.xFixed&&this.yFixed},Node.prototype.isMoving=function(t){return Math.abs(this.vx)>t||Math.abs(this.vy)>t},Node.prototype.isSelected=function(){return this.selected},Node.prototype.getValue=function(){return this.value},Node.prototype.getDistance=function(t,e){var i=this.x-t,s=this.y-e;return Math.sqrt(i*i+s*s)},Node.prototype.setValueRange=function(t,e){if(!this.radiusFixed&&void 0!==this.value)if(e==t)this.radius=(this.radiusMin+this.radiusMax)/2;else{var i=(this.radiusMax-this.radiusMin)/(e-t);this.radius=(this.value-t)*i+this.radiusMin}this.baseRadiusValue=this.radius},Node.prototype.draw=function(){throw"Draw method not initialized for node"},Node.prototype.resize=function(){throw"Resize method not initialized for node"},Node.prototype.isOverlappingWith=function(t){return this.leftt.left&&this.topt.top},Node.prototype._resizeImage=function(){if(!this.width||!this.height){var t,e;if(this.value){this.radius=this.baseRadiusValue;var i=this.imageObj.height/this.imageObj.width;void 0!==i?(t=this.radius||this.imageObj.width,e=this.radius*i||this.imageObj.height):(t=0,e=0)}else t=this.imageObj.width,e=this.imageObj.height;this.width=t,this.height=e,this.growthIndicator=0,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.radius+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.width-t)}},Node.prototype._drawImage=function(t){this._resizeImage(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e;if(0!=this.imageObj.width){if(this.clusterSize>1){var i=this.clusterSize>1?10:0;i*=this.graphScaleInv,i=Math.min(.2*this.width,i),t.globalAlpha=.5,t.drawImage(this.imageObj,this.left-i,this.top-i,this.width+2*i,this.height+2*i)}t.globalAlpha=1,t.drawImage(this.imageObj,this.left,this.top,this.width,this.height),e=this.y+this.height/2}else e=this.y;this._label(t,this.label,this.x,e,void 0,"top")},Node.prototype._resizeBox=function(t){if(!this.width){var e=5,i=this.getTextSize(t);this.width=i.width+2*e,this.height=i.height+2*e,this.width+=.5*Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeWidthFactor,this.height+=.5*Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeHeightFactor,this.growthIndicator=this.width-(i.width+2*e)}},Node.prototype._drawBox=function(t){this._resizeBox(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e=2.5,i=2;t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.roundRect(this.left-2*t.lineWidth,this.top-2*t.lineWidth,this.width+4*t.lineWidth,this.height+4*t.lineWidth,this.radius),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.roundRect(this.left,this.top,this.width,this.height,this.radius),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},Node.prototype._resizeDatabase=function(t){if(!this.width){var e=5,i=this.getTextSize(t),s=i.width+2*e;this.width=s,this.height=s,this.width+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeWidthFactor,this.height+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeHeightFactor,this.radius+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.width-s}},Node.prototype._drawDatabase=function(t){this._resizeDatabase(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e=2.5,i=2;t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.database(this.x-this.width/2-2*t.lineWidth,this.y-.5*this.height-2*t.lineWidth,this.width+4*t.lineWidth,this.height+4*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.database(this.x-this.width/2,this.y-.5*this.height,this.width,this.height),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},Node.prototype._resizeCircle=function(t){if(!this.width){var e=5,i=this.getTextSize(t),s=Math.max(i.width,i.height)+2*e;this.radius=s/2,this.width=s,this.height=s,this.radius+=.5*Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.radius-.5*s}},Node.prototype._drawCircle=function(t){this._resizeCircle(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e=2.5,i=2;t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.circle(this.x,this.y,this.radius+2*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.circle(this.x,this.y,this.radius),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},Node.prototype._resizeEllipse=function(t){if(!this.width){var e=this.getTextSize(t);this.width=1.5*e.width,this.height=2*e.height,this.width1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.ellipse(this.left-2*t.lineWidth,this.top-2*t.lineWidth,this.width+4*t.lineWidth,this.height+4*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.ellipse(this.left,this.top,this.width,this.height),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},Node.prototype._drawDot=function(t){this._drawShape(t,"circle")},Node.prototype._drawTriangle=function(t){this._drawShape(t,"triangle")},Node.prototype._drawTriangleDown=function(t){this._drawShape(t,"triangleDown")},Node.prototype._drawSquare=function(t){this._drawShape(t,"square")},Node.prototype._drawStar=function(t){this._drawShape(t,"star")},Node.prototype._resizeShape=function(){if(!this.width){this.radius=this.baseRadiusValue;var t=2*this.radius;this.width=t,this.height=t,this.width+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeWidthFactor,this.height+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeHeightFactor,this.radius+=.5*Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.width-t}},Node.prototype._drawShape=function(t,e){this._resizeShape(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var i=2.5,s=2,n=2;switch(e){case"dot":n=2;break;case"square":n=2;break;case"triangle":n=3;break;case"triangleDown":n=3;break;case"star":n=4}t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?s:1)+(this.clusterSize>1?i:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t[e](this.x,this.y,this.radius+n*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?s:1)+(this.clusterSize>1?i:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t[e](this.x,this.y,this.radius),t.fill(),t.stroke(),this.label&&this._label(t,this.label,this.x,this.y+this.height/2,void 0,"top")},Node.prototype._resizeText=function(t){if(!this.width){var e=5,i=this.getTextSize(t);this.width=i.width+2*e,this.height=i.height+2*e,this.width+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeWidthFactor,this.height+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeHeightFactor,this.radius+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.width-(i.width+2*e)}},Node.prototype._drawText=function(t){this._resizeText(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2,this._label(t,this.label,this.x,this.y)},Node.prototype._label=function(t,e,i,s,n,o){if(e&&this.fontSize*this.graphScale>this.fontDrawThreshold){t.font=(this.selected?"bold ":"")+this.fontSize+"px "+this.fontFace,t.fillStyle=this.fontColor||"black",t.textAlign=n||"center",t.textBaseline=o||"middle";for(var r=e.split("\n"),a=r.length,h=this.fontSize+4,d=s+(1-a)/2*h,c=0;a>c;c++)t.fillText(r[c],i,d),d+=h}},Node.prototype.getTextSize=function(t){if(void 0!==this.label){t.font=(this.selected?"bold ":"")+this.fontSize+"px "+this.fontFace;for(var e=this.label.split("\n"),i=(this.fontSize+4)*e.length,s=0,n=0,o=e.length;o>n;n++)s=Math.max(s,t.measureText(e[n]).width);return{width:s,height:i}}return{width:0,height:0}},Node.prototype.inArea=function(){return void 0!==this.width?this.x+this.width*this.graphScaleInv>=this.canvasTopLeft.x&&this.x-this.width*this.graphScaleInv=this.canvasTopLeft.y&&this.y-this.height*this.graphScaleInv=this.canvasTopLeft.x&&this.x=this.canvasTopLeft.y&&this.yh}return!1},Edge.prototype._drawLine=function(t){if(t.strokeStyle=1==this.selected?this.color.highlight:this.color.color,t.lineWidth=this._getLineWidth(),this.from!=this.to){this._line(t);var e;if(this.label){if(1==this.smooth){var i=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),s=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));e={x:i,y:s}}else e=this._pointOnLine(.5);this._label(t,this.label,e.x,e.y)}}else{var n,o,r=this.length/4,a=this.from;a.width||a.resize(t),a.width>a.height?(n=a.x+a.width/2,o=a.y-r):(n=a.x+r,o=a.y-a.height/2),this._circle(t,n,o,r),e=this._pointOnCircle(n,o,r,.5),this._label(t,this.label,e.x,e.y)}},Edge.prototype._getLineWidth=function(){return 1==this.selected?Math.min(2*this.width,this.widthMax)*this.graphScaleInv:this.width*this.graphScaleInv},Edge.prototype._line=function(t){t.beginPath(),t.moveTo(this.from.x,this.from.y),1==this.smooth?t.quadraticCurveTo(this.via.x,this.via.y,this.to.x,this.to.y):t.lineTo(this.to.x,this.to.y),t.stroke()},Edge.prototype._circle=function(t,e,i,s){t.beginPath(),t.arc(e,i,s,0,2*Math.PI,!1),t.stroke()},Edge.prototype._label=function(t,e,i,s){if(e){t.font=(this.from.selected||this.to.selected?"bold ":"")+this.fontSize+"px "+this.fontFace,t.fillStyle=this.fontFill;var n=t.measureText(e).width,o=this.fontSize,r=i-n/2,a=s-o/2;t.fillRect(r,a,n,o),t.fillStyle=this.fontColor||"black",t.textAlign="left",t.textBaseline="top",t.fillText(e,r,a)}},Edge.prototype._drawDashLine=function(t){if(t.strokeStyle=1==this.selected?this.color.highlight:this.color.color,t.lineWidth=this._getLineWidth(),void 0!==t.mozDash||void 0!==t.setLineDash){t.beginPath(),t.moveTo(this.from.x,this.from.y);var e=[0];e=void 0!==this.dash.length&&void 0!==this.dash.gap?[this.dash.length,this.dash.gap]:[5,5],"undefined"!=typeof t.setLineDash?(t.setLineDash(e),t.lineDashOffset=0):(t.mozDash=e,t.mozDashOffset=0),1==this.smooth?t.quadraticCurveTo(this.via.x,this.via.y,this.to.x,this.to.y):t.lineTo(this.to.x,this.to.y),t.stroke(),"undefined"!=typeof t.setLineDash?(t.setLineDash([0]),t.lineDashOffset=0):(t.mozDash=[0],t.mozDashOffset=0)}else t.beginPath(),t.lineCap="round",void 0!==this.dash.altLength?t.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y,[this.dash.length,this.dash.gap,this.dash.altLength,this.dash.gap]):void 0!==this.dash.length&&void 0!==this.dash.gap?t.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y,[this.dash.length,this.dash.gap]):(t.moveTo(this.from.x,this.from.y),t.lineTo(this.to.x,this.to.y)),t.stroke();if(this.label){var i;if(1==this.smooth){var s=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),n=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));i={x:s,y:n}}else i=this._pointOnLine(.5);this._label(t,this.label,i.x,i.y)}},Edge.prototype._pointOnLine=function(t){return{x:(1-t)*this.from.x+t*this.to.x,y:(1-t)*this.from.y+t*this.to.y}},Edge.prototype._pointOnCircle=function(t,e,i,s){var n=2*(s-3/8)*Math.PI;return{x:t+i*Math.cos(n),y:e-i*Math.sin(n)}},Edge.prototype._drawArrowCenter=function(t){var e;if(1==this.selected?(t.strokeStyle=this.color.highlight,t.fillStyle=this.color.highlight):(t.strokeStyle=this.color.color,t.fillStyle=this.color.color),t.lineWidth=this._getLineWidth(),this.from!=this.to){this._line(t);var i=Math.atan2(this.to.y-this.from.y,this.to.x-this.from.x),s=10+5*this.width;if(1==this.smooth){var n=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),o=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));e={x:n,y:o}}else e=this._pointOnLine(.5);t.arrow(e.x,e.y,i,s),t.fill(),t.stroke(),this.label&&this._label(t,this.label,e.x,e.y)}else{var r,a,h=.25*Math.max(100,this.length),d=this.from;d.width||d.resize(t),d.width>d.height?(r=d.x+.5*d.width,a=d.y-h):(r=d.x+h,a=d.y-.5*d.height),this._circle(t,r,a,h);var i=.2*Math.PI,s=10+5*this.width;e=this._pointOnCircle(r,a,h,.5),t.arrow(e.x,e.y,i,s),t.fill(),t.stroke(),this.label&&(e=this._pointOnCircle(r,a,h,.5),this._label(t,this.label,e.x,e.y))}},Edge.prototype._drawArrow=function(t){1==this.selected?(t.strokeStyle=this.color.highlight,t.fillStyle=this.color.highlight):(t.strokeStyle=this.color.color,t.fillStyle=this.color.color),t.lineWidth=this._getLineWidth();var e,i;if(this.from!=this.to){e=Math.atan2(this.to.y-this.from.y,this.to.x-this.from.x);var s=this.to.x-this.from.x,n=this.to.y-this.from.y,o=Math.sqrt(s*s+n*n),r=this.from.distanceToBorder(t,e+Math.PI),a=(o-r)/o,h=a*this.from.x+(1-a)*this.to.x,d=a*this.from.y+(1-a)*this.to.y;1==this.smooth&&(e=Math.atan2(this.to.y-this.via.y,this.to.x-this.via.x),s=this.to.x-this.via.x,n=this.to.y-this.via.y,o=Math.sqrt(s*s+n*n));var c,l,u=this.to.distanceToBorder(t,e),p=(o-u)/o;if(1==this.smooth?(c=(1-p)*this.via.x+p*this.to.x,l=(1-p)*this.via.y+p*this.to.y):(c=(1-p)*this.from.x+p*this.to.x,l=(1-p)*this.from.y+p*this.to.y),t.beginPath(),t.moveTo(h,d),1==this.smooth?t.quadraticCurveTo(this.via.x,this.via.y,c,l):t.lineTo(c,l),t.stroke(),i=10+5*this.width,t.arrow(c,l,e,i),t.fill(),t.stroke(),this.label){var g;if(1==this.smooth){var f=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),m=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));g={x:f,y:m}}else g=this._pointOnLine(.5);this._label(t,this.label,g.x,g.y)}}else{var v,y,_,b=this.from,w=.25*Math.max(100,this.length);b.width||b.resize(t),b.width>b.height?(v=b.x+.5*b.width,y=b.y-w,_={x:v,y:b.y,angle:.9*Math.PI}):(v=b.x+w,y=b.y-.5*b.height,_={x:b.x,y:y,angle:.6*Math.PI}),t.beginPath(),t.arc(v,y,w,0,2*Math.PI,!1),t.stroke(),i=10+5*this.width,t.arrow(_.x,_.y,_.angle,i),t.fill(),t.stroke(),this.label&&(g=this._pointOnCircle(v,y,w,.5),this._label(t,this.label,g.x,g.y))}},Edge.prototype._getDistanceToEdge=function(t,e,i,s,n,o){if(1==this.smooth){var r,a,h,d,c,l,u=1e9;for(r=0;10>r;r++)a=.1*r,h=Math.pow(1-a,2)*t+2*a*(1-a)*this.via.x+Math.pow(a,2)*i,d=Math.pow(1-a,2)*e+2*a*(1-a)*this.via.y+Math.pow(a,2)*s,c=Math.abs(n-h),l=Math.abs(o-d),u=Math.min(u,Math.sqrt(c*c+l*l));return u}var p=i-t,g=s-e,f=p*p+g*g,m=((n-t)*p+(o-e)*g)/f;m>1?m=1:0>m&&(m=0);var h=t+m*p,d=e+m*g,c=h-n,l=d-o;return Math.sqrt(c*c+l*l)},Edge.prototype.setScale=function(t){this.graphScaleInv=1/t},Edge.prototype.select=function(){this.selected=!0},Edge.prototype.unselect=function(){this.selected=!1},Edge.prototype.positionBezierNode=function(){null!==this.via&&(this.via.x=.5*(this.from.x+this.to.x),this.via.y=.5*(this.from.y+this.to.y))},Popup.prototype.setPosition=function(t,e){this.x=parseInt(t),this.y=parseInt(e)},Popup.prototype.setText=function(t){this.frame.innerHTML=t},Popup.prototype.show=function(t){if(void 0===t&&(t=!0),t){var e=this.frame.clientHeight,i=this.frame.clientWidth,s=this.frame.parentNode.clientHeight,n=this.frame.parentNode.clientWidth,o=this.y-e;o+e+this.padding>s&&(o=s-e-this.padding),on&&(r=n-i-this.padding),rthis.constants.clustering.clusterThreshold&&1==this.constants.clustering.enabled&&this.clusterToFit(this.constants.clustering.reduceToNodes,!1),this._calculateForces())},_calculateForces:function(){this._calculateGravitationalForces(),this._calculateNodeForces(),1==this.constants.smoothCurves?this._calculateSpringForcesWithSupport():this._calculateSpringForces()},_updateCalculationNodes:function(){if(1==this.constants.smoothCurves){this.calculationNodes={},this.calculationNodeIndices=[];for(var t in this.nodes)this.nodes.hasOwnProperty(t)&&(this.calculationNodes[t]=this.nodes[t]);var e=this.sectors.support.nodes;for(var i in e)e.hasOwnProperty(i)&&(this.edges.hasOwnProperty(e[i].parentEdgeId)?this.calculationNodes[i]=e[i]:e[i]._setForce(0,0));for(var s in this.calculationNodes)this.calculationNodes.hasOwnProperty(s)&&this.calculationNodeIndices.push(s)}else this.calculationNodes=this.nodes,this.calculationNodeIndices=this.nodeIndices},_calculateGravitationalForces:function(){var t,e,i,s,n,o=this.calculationNodes,r=this.constants.physics.centralGravity,a=0;for(n=0;nSimulation 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 e;e=document.getElementById("graph_BH_gc"),e.onchange=showValueOfRange.bind(this,"graph_BH_gc",-1,"physics_barnesHut_gravitationalConstant"),e=document.getElementById("graph_BH_cg"),e.onchange=showValueOfRange.bind(this,"graph_BH_cg",1,"physics_centralGravity"),e=document.getElementById("graph_BH_sc"),e.onchange=showValueOfRange.bind(this,"graph_BH_sc",1,"physics_springConstant"),e=document.getElementById("graph_BH_sl"),e.onchange=showValueOfRange.bind(this,"graph_BH_sl",1,"physics_springLength"),e=document.getElementById("graph_BH_damp"),e.onchange=showValueOfRange.bind(this,"graph_BH_damp",1,"physics_damping"),e=document.getElementById("graph_R_nd"),e.onchange=showValueOfRange.bind(this,"graph_R_nd",1,"physics_repulsion_nodeDistance"),e=document.getElementById("graph_R_cg"),e.onchange=showValueOfRange.bind(this,"graph_R_cg",1,"physics_centralGravity"),e=document.getElementById("graph_R_sc"),e.onchange=showValueOfRange.bind(this,"graph_R_sc",1,"physics_springConstant"),e=document.getElementById("graph_R_sl"),e.onchange=showValueOfRange.bind(this,"graph_R_sl",1,"physics_springLength"),e=document.getElementById("graph_R_damp"),e.onchange=showValueOfRange.bind(this,"graph_R_damp",1,"physics_damping"),e=document.getElementById("graph_H_nd"),e.onchange=showValueOfRange.bind(this,"graph_H_nd",1,"physics_hierarchicalRepulsion_nodeDistance"),e=document.getElementById("graph_H_cg"),e.onchange=showValueOfRange.bind(this,"graph_H_cg",1,"physics_centralGravity"),e=document.getElementById("graph_H_sc"),e.onchange=showValueOfRange.bind(this,"graph_H_sc",1,"physics_springConstant"),e=document.getElementById("graph_H_sl"),e.onchange=showValueOfRange.bind(this,"graph_H_sl",1,"physics_springLength"),e=document.getElementById("graph_H_damp"),e.onchange=showValueOfRange.bind(this,"graph_H_damp",1,"physics_damping"),e=document.getElementById("graph_H_direction"),e.onchange=showValueOfRange.bind(this,"graph_H_direction",t,"hierarchicalLayout_direction"),e=document.getElementById("graph_H_levsep"),e.onchange=showValueOfRange.bind(this,"graph_H_levsep",1,"hierarchicalLayout_levelSeparation"),e=document.getElementById("graph_H_nspac"),e.onchange=showValueOfRange.bind(this,"graph_H_nspac",1,"hierarchicalLayout_nodeSpacing");var i=document.getElementById("graph_physicsMethod1"),s=document.getElementById("graph_physicsMethod2"),n=document.getElementById("graph_physicsMethod3");s.checked=!0,this.constants.physics.barnesHut.enabled&&(i.checked=!0),this.constants.hierarchicalLayout.enabled&&(n.checked=!0);var o=document.getElementById("graph_toggleSmooth"),r=document.getElementById("graph_repositionNodes"),a=document.getElementById("graph_generateOptions");o.onclick=graphToggleSmoothCurves.bind(this),r.onclick=graphRepositionNodes.bind(this),a.onclick=graphGenerateOptions.bind(this),o.style.background=1==this.constants.smoothCurves?"#A4FF56":"#FF8532",switchConfigurations.apply(this),i.onchange=switchConfigurations.bind(this),s.onchange=switchConfigurations.bind(this),n.onchange=switchConfigurations.bind(this)}},_overWriteGraphConstants:function(t,e){var i=t.split("_");1==i.length?this.constants[i[0]]=e:2==i.length?this.constants[i[0]][i[1]]=e:3==i.length&&(this.constants[i[0]][i[1]][i[2]]=e)}},hierarchalRepulsionMixin={_calculateNodeForces:function(){var t,e,i,s,n,o,r,a,h,d,c=this.calculationNodes,l=this.calculationNodeIndices,u=5,p=.5*-u,g=this.constants.physics.hierarchicalRepulsion.nodeDistance,f=g;for(h=0;hi&&(o=m*i+u,0==i?i=.01:o/=i,s=t*o,n=e*o,r.fx-=s,r.fy-=n,a.fx+=s,a.fy+=n)}}},barnesHutMixin={_calculateNodeForces:function(){if(0!=this.constants.physics.barnesHut.gravitationalConstant){var t,e=this.calculationNodes,i=this.calculationNodeIndices,s=i.length;this._formBarnesHutTree(e,i);for(var n=this.barnesHutTree,o=0;s>o;o++)t=e[i[o]],this._getForceContribution(n.root.children.NW,t),this._getForceContribution(n.root.children.NE,t),this._getForceContribution(n.root.children.SW,t),this._getForceContribution(n.root.children.SE,t)}},_getForceContribution:function(t,e){if(t.childrenCount>0){var i,s,n;if(i=t.centerOfMass.x-e.x,s=t.centerOfMass.y-e.y,n=Math.sqrt(i*i+s*s),n*t.calcSize>this.constants.physics.barnesHut.theta){0==n&&(n=.1*Math.random(),i=n);var o=this.constants.physics.barnesHut.gravitationalConstant*t.mass*e.mass/(n*n*n),r=i*o,a=s*o;e.fx+=r,e.fy+=a}else if(4==t.childrenCount)this._getForceContribution(t.children.NW,e),this._getForceContribution(t.children.NE,e),this._getForceContribution(t.children.SW,e),this._getForceContribution(t.children.SE,e);else if(t.children.data.id!=e.id){0==n&&(n=.5*Math.random(),i=n);var o=this.constants.physics.barnesHut.gravitationalConstant*t.mass*e.mass/(n*n*n),r=i*o,a=s*o;e.fx+=r,e.fy+=a}}},_formBarnesHutTree:function(t,e){for(var i,s=e.length,n=Number.MAX_VALUE,o=Number.MAX_VALUE,r=-Number.MAX_VALUE,a=-Number.MAX_VALUE,h=0;s>h;h++){var d=t[e[h]].x,c=t[e[h]].y;n>d&&(n=d),d>r&&(r=d),o>c&&(o=c),c>a&&(a=c)}var l=Math.abs(r-n)-Math.abs(a-o);l>0?(o-=.5*l,a+=.5*l):(n+=.5*l,r-=.5*l);var u=1e-5,p=Math.max(u,Math.abs(r-n)),g=.5*p,f=.5*(n+r),m=.5*(o+a),v={root:{centerOfMass:{x:0,y:0},mass:0,range:{minX:f-g,maxX:f+g,minY:m-g,maxY:m+g},size:p,calcSize:1/p,children:{data:null},maxWidth:0,level:0,childrenCount:4}};for(this._splitBranch(v.root),h=0;s>h;h++)i=t[e[h]],this._placeInTree(v.root,i);this.barnesHutTree=v},_updateBranchMass:function(t,e){var i=t.mass+e.mass,s=1/i;t.centerOfMass.x=t.centerOfMass.x*t.mass+e.x*e.mass,t.centerOfMass.x*=s,t.centerOfMass.y=t.centerOfMass.y*t.mass+e.y*e.mass,t.centerOfMass.y*=s,t.mass=i;var n=Math.max(Math.max(e.height,e.radius),e.width);t.maxWidth=t.maxWidthe.x?t.children.NW.range.maxY>e.y?this._placeInRegion(t,e,"NW"):this._placeInRegion(t,e,"SW"):t.children.NW.range.maxY>e.y?this._placeInRegion(t,e,"NE"):this._placeInRegion(t,e,"SE")},_placeInRegion:function(t,e,i){switch(t.children[i].childrenCount){case 0:t.children[i].children.data=e,t.children[i].childrenCount=1,this._updateBranchMass(t.children[i],e);break;case 1:t.children[i].children.data.x==e.x&&t.children[i].children.data.y==e.y?(e.x+=Math.random(),e.y+=Math.random()):(this._splitBranch(t.children[i]),this._placeInTree(t.children[i],e));break;case 4:this._placeInTree(t.children[i],e)}},_splitBranch:function(t){var e=null;1==t.childrenCount&&(e=t.children.data,t.mass=0,t.centerOfMass.x=0,t.centerOfMass.y=0),t.childrenCount=4,t.children.data=null,this._insertRegion(t,"NW"),this._insertRegion(t,"NE"),this._insertRegion(t,"SW"),this._insertRegion(t,"SE"),null!=e&&this._placeInTree(t,e)},_insertRegion:function(t,e){var i,s,n,o,r=.5*t.size;switch(e){case"NW":i=t.range.minX,s=t.range.minX+r,n=t.range.minY,o=t.range.minY+r;break;case"NE":i=t.range.minX+r,s=t.range.maxX,n=t.range.minY,o=t.range.minY+r;break;case"SW":i=t.range.minX,s=t.range.minX+r,n=t.range.minY+r,o=t.range.maxY;break;case"SE":i=t.range.minX+r,s=t.range.maxX,n=t.range.minY+r,o=t.range.maxY}t.children[e]={centerOfMass:{x:0,y:0},mass:0,range:{minX:i,maxX:s,minY:n,maxY:o},size:.5*t.size,calcSize:2*t.calcSize,children:{data:null},maxWidth:0,level:t.level+1,childrenCount:0}},_drawTree:function(t,e){void 0!==this.barnesHutTree&&(t.lineWidth=1,this._drawBranch(this.barnesHutTree.root,t,e))},_drawBranch:function(t,e,i){void 0===i&&(i="#FF0000"),4==t.childrenCount&&(this._drawBranch(t.children.NW,e),this._drawBranch(t.children.NE,e),this._drawBranch(t.children.SE,e),this._drawBranch(t.children.SW,e)),e.strokeStyle=i,e.beginPath(),e.moveTo(t.range.minX,t.range.minY),e.lineTo(t.range.maxX,t.range.minY),e.stroke(),e.beginPath(),e.moveTo(t.range.maxX,t.range.minY),e.lineTo(t.range.maxX,t.range.maxY),e.stroke(),e.beginPath(),e.moveTo(t.range.maxX,t.range.maxY),e.lineTo(t.range.minX,t.range.maxY),e.stroke(),e.beginPath(),e.moveTo(t.range.minX,t.range.maxY),e.lineTo(t.range.minX,t.range.minY),e.stroke()}},repulsionMixin={_calculateNodeForces:function(){var t,e,i,s,n,o,r,a,h,d,c,l=this.calculationNodes,u=this.calculationNodeIndices,p=-2/3,g=4/3,f=this.constants.physics.repulsion.nodeDistance,m=f;for(d=0;di&&(r=.5*m>i?1:v*i+g,r*=0==o?1:1+o*this.constants.clustering.forceAmplification,r/=i,s=t*r,n=e*r,a.fx-=s,a.fy-=n,h.fx+=s,h.fy+=n)}}},HierarchicalLayoutMixin={_resetLevels:function(){for(var t in this.nodes)if(this.nodes.hasOwnProperty(t)){var e=this.nodes[t];0==e.preassignedLevel&&(e.level=-1)}},_setupHierarchicalLayout:function(){if(1==this.constants.hierarchicalLayout.enabled){"RL"==this.constants.hierarchicalLayout.direction||"DU"==this.constants.hierarchicalLayout.direction?this.constants.hierarchicalLayout.levelSeparation*=-1:this.constants.hierarchicalLayout.levelSeparation=Math.abs(this.constants.hierarchicalLayout.levelSeparation);var t,e,i=0,s=!1,n=!1;for(e in this.nodes)this.nodes.hasOwnProperty(e)&&(t=this.nodes[e],-1!=t.level?s=!0:n=!0,is&&(o.xFixed=!1,o.x=i[o.level].minPos,r=!0):o.yFixed&&o.level>s&&(o.yFixed=!1,o.y=i[o.level].minPos,r=!0),1==r&&(i[o.level].minPos+=i[o.level].nodeSpacing,o.edges.length>1&&this._placeBranchNodes(o.edges,o.id,i,o.level))}},_setLevel:function(t,e,i){for(var s=0;st)&&(n.level=t,e.length>1&&this._setLevel(t+1,n.edges,n.id))}},_restoreNodes:function(){for(nodeId in this.nodes)this.nodes.hasOwnProperty(nodeId)&&(this.nodes[nodeId].xFixed=!1,this.nodes[nodeId].yFixed=!1)}},manipulationMixin={_clearManipulatorBar:function(){for(;this.manipulationDiv.hasChildNodes();)this.manipulationDiv.removeChild(this.manipulationDiv.firstChild)},_restoreOverloadedFunctions:function(){for(var t in this.cachedFunctions)this.cachedFunctions.hasOwnProperty(t)&&(this[t]=this.cachedFunctions[t])},_toggleEditMode:function(){this.editMode=!this.editMode;var t=document.getElementById("graph-manipulationDiv"),e=document.getElementById("graph-manipulation-closeDiv"),i=document.getElementById("graph-manipulation-editMode");1==this.editMode?(t.style.display="block",e.style.display="block",i.style.display="none",e.onclick=this._toggleEditMode.bind(this)):(t.style.display="none",e.style.display="none",i.style.display="block",e.onclick=null),this._createManipulatorBar()},_createManipulatorBar:function(){if(this.boundFunction&&this.off("select",this.boundFunction),this._restoreOverloadedFunctions(),this.freezeSimulation=!1,this.blockConnectingEdgeSelection=!1,this.forceAppendSelection=!1,1==this.editMode){for(;this.manipulationDiv.hasChildNodes();)this.manipulationDiv.removeChild(this.manipulationDiv.firstChild);this.manipulationDiv.innerHTML=""+this.constants.labels.add+"
"+this.constants.labels.link+"",1==this._getSelectedNodeCount()&&this.triggerFunctions.edit&&(this.manipulationDiv.innerHTML+="
"+this.constants.labels.editNode+""),0==this._selectionIsEmpty()&&(this.manipulationDiv.innerHTML+="
"+this.constants.labels["delete"]+"");var t=document.getElementById("graph-manipulate-addNode");t.onclick=this._createAddNodeToolbar.bind(this);var e=document.getElementById("graph-manipulate-connectNode");if(e.onclick=this._createAddEdgeToolbar.bind(this),1==this._getSelectedNodeCount()&&this.triggerFunctions.edit){var i=document.getElementById("graph-manipulate-editNode");i.onclick=this._editNode.bind(this)}if(0==this._selectionIsEmpty()){var s=document.getElementById("graph-manipulate-delete");s.onclick=this._deleteSelected.bind(this)}var n=document.getElementById("graph-manipulation-closeDiv");n.onclick=this._toggleEditMode.bind(this),this.boundFunction=this._createManipulatorBar.bind(this),this.on("select",this.boundFunction)}else{this.editModeDiv.innerHTML=""+this.constants.labels.edit+"";var o=document.getElementById("graph-manipulate-editModeButton");o.onclick=this._toggleEditMode.bind(this)}},_createAddNodeToolbar:function(){this._clearManipulatorBar(),this.boundFunction&&this.off("select",this.boundFunction),this.manipulationDiv.innerHTML=""+this.constants.labels.back+"
"+this.constants.labels.addDescription+"";var t=document.getElementById("graph-manipulate-back");t.onclick=this._createManipulatorBar.bind(this),this.boundFunction=this._addNode.bind(this),this.on("select",this.boundFunction)},_createAddEdgeToolbar:function(){this._clearManipulatorBar(),this._unselectAll(!0),this.freezeSimulation=!0,this.boundFunction&&this.off("select",this.boundFunction),this._unselectAll(),this.forceAppendSelection=!1,this.blockConnectingEdgeSelection=!0,this.manipulationDiv.innerHTML=""+this.constants.labels.back+"
"+this.constants.labels.linkDescription+"";var t=document.getElementById("graph-manipulate-back");t.onclick=this._createManipulatorBar.bind(this),this.boundFunction=this._handleConnect.bind(this),this.on("select",this.boundFunction),this.cachedFunctions._handleTouch=this._handleTouch,this.cachedFunctions._handleOnRelease=this._handleOnRelease,this._handleTouch=this._handleConnect,this._handleOnRelease=this._finishConnect,this._redraw()},_handleConnect:function(t){if(0==this._getSelectedNodeCount()){var e=this._getNodeAt(t);null!=e&&(e.clusterSize>1?alert("Cannot create edges to a cluster."):(this._selectObject(e,!1),this.sectors.support.nodes.targetNode=new Node({id:"targetNode"},{},{},this.constants),this.sectors.support.nodes.targetNode.x=e.x,this.sectors.support.nodes.targetNode.y=e.y,this.sectors.support.nodes.targetViaNode=new Node({id:"targetViaNode"},{},{},this.constants),this.sectors.support.nodes.targetViaNode.x=e.x,this.sectors.support.nodes.targetViaNode.y=e.y,this.sectors.support.nodes.targetViaNode.parentEdgeId="connectionEdge",this.edges.connectionEdge=new Edge({id:"connectionEdge",from:e.id,to:this.sectors.support.nodes.targetNode.id},this,this.constants),this.edges.connectionEdge.from=e,this.edges.connectionEdge.connected=!0,this.edges.connectionEdge.smooth=!0,this.edges.connectionEdge.selected=!0,this.edges.connectionEdge.to=this.sectors.support.nodes.targetNode,this.edges.connectionEdge.via=this.sectors.support.nodes.targetViaNode,this.cachedFunctions._handleOnDrag=this._handleOnDrag,this._handleOnDrag=function(t){var e=this._getPointer(t.gesture.center);this.sectors.support.nodes.targetNode.x=this._canvasToX(e.x),this.sectors.support.nodes.targetNode.y=this._canvasToY(e.y),this.sectors.support.nodes.targetViaNode.x=.5*(this._canvasToX(e.x)+this.edges.connectionEdge.from.x),this.sectors.support.nodes.targetViaNode.y=this._canvasToY(e.y)},this.moving=!0,this.start()))}},_finishConnect:function(t){if(1==this._getSelectedNodeCount()){this._handleOnDrag=this.cachedFunctions._handleOnDrag,delete this.cachedFunctions._handleOnDrag;var e=this.edges.connectionEdge.fromId;delete this.edges.connectionEdge,delete this.sectors.support.nodes.targetNode,delete this.sectors.support.nodes.targetViaNode;var i=this._getNodeAt(t);null!=i&&(i.clusterSize>1?alert("Cannot create edges to a cluster."):(this._createEdge(e,i.id),this._createManipulatorBar())),this._unselectAll()}},_addNode:function(){if(this._selectionIsEmpty()&&1==this.editMode){var t=this._pointerToPositionObject(this.pointerPosition),e={id:util.randomUUID(),x:t.left,y:t.top,label:"new",allowedToMoveX:!0,allowedToMoveY:!0};if(this.triggerFunctions.add)if(2==this.triggerFunctions.add.length){var i=this;this.triggerFunctions.add(e,function(t){i.nodesData.add(t),i._createManipulatorBar(),i.moving=!0,i.start()})}else alert(this.constants.labels.addError),this._createManipulatorBar(),this.moving=!0,this.start();else this.nodesData.add(e),this._createManipulatorBar(),this.moving=!0,this.start()}},_createEdge:function(t,e){if(1==this.editMode){var i={from:t,to:e};if(this.triggerFunctions.connect)if(2==this.triggerFunctions.connect.length){var s=this;this.triggerFunctions.connect(i,function(t){s.edgesData.add(t),s.moving=!0,s.start()})}else alert(this.constants.labels.linkError),this.moving=!0,this.start();else this.edgesData.add(i),this.moving=!0,this.start()}},_editNode:function(){if(this.triggerFunctions.edit&&1==this.editMode){var t=this._getSelectedNode(),e={id:t.id,label:t.label,group:t.group,shape:t.shape,color:{background:t.color.background,border:t.color.border,highlight:{background:t.color.highlight.background,border:t.color.highlight.border}}};if(2==this.triggerFunctions.edit.length){var i=this;this.triggerFunctions.edit(e,function(t){i.nodesData.update(t),i._createManipulatorBar(),i.moving=!0,i.start()})}else alert(this.constants.labels.editError)}else alert(this.constants.labels.editBoundError)},_deleteSelected:function(){if(!this._selectionIsEmpty()&&1==this.editMode)if(this._clusterInSelection())alert(this.constants.labels.deleteClusterError);else{var t=this.getSelectedNodes(),e=this.getSelectedEdges();if(this.triggerFunctions.delete){var i=this,s={nodes:t,edges:e};(this.triggerFunctions.delete.length=2)?this.triggerFunctions.delete(s,function(t){i.edgesData.remove(t.edges),i.nodesData.remove(t.nodes),this._unselectAll(),i.moving=!0,i.start()}):alert(this.constants.labels.deleteError)}else this.edgesData.remove(e),this.nodesData.remove(t),this._unselectAll(),this.moving=!0,this.start()}}},SectorMixin={_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},_switchToSector:function(t,e){void 0===e||"active"==e?this._switchToActiveSector(t):this._switchToFrozenSector(t)},_switchToActiveSector:function(t){this.nodeIndices=this.sectors.active[t].nodeIndices,this.nodes=this.sectors.active[t].nodes,this.edges=this.sectors.active[t].edges},_switchToSupportSector:function(){this.nodeIndices=this.sectors.support.nodeIndices,this.nodes=this.sectors.support.nodes,this.edges=this.sectors.support.edges},_switchToFrozenSector:function(t){this.nodeIndices=this.sectors.frozen[t].nodeIndices,this.nodes=this.sectors.frozen[t].nodes,this.edges=this.sectors.frozen[t].edges},_loadLatestSector:function(){this._switchToSector(this._sector())},_sector:function(){return this.activeSector[this.activeSector.length-1]},_previousSector:function(){if(this.activeSector.length>1)return this.activeSector[this.activeSector.length-2];throw new TypeError("there are not enough sectors in the this.activeSector array.")},_setActiveSector:function(t){this.activeSector.push(t)},_forgetLastSector:function(){this.activeSector.pop()},_createNewSector:function(t){this.sectors.active[t]={nodes:{},edges:{},nodeIndices:[],formationScale:this.scale,drawingNode:void 0},this.sectors.active[t].drawingNode=new Node({id:t,color:{background:"#eaefef",border:"495c5e"}},{},{},this.constants),this.sectors.active[t].drawingNode.clusterSize=2},_deleteActiveSector:function(t){delete this.sectors.active[t]},_deleteFrozenSector:function(t){delete this.sectors.frozen[t]},_freezeSector:function(t){this.sectors.frozen[t]=this.sectors.active[t],this._deleteActiveSector(t)},_activateSector:function(t){this.sectors.active[t]=this.sectors.frozen[t],this._deleteFrozenSector(t)},_mergeThisWithFrozen:function(t){for(var e in this.nodes)this.nodes.hasOwnProperty(e)&&(this.sectors.frozen[t].nodes[e]=this.nodes[e]);for(var i in this.edges)this.edges.hasOwnProperty(i)&&(this.sectors.frozen[t].edges[i]=this.edges[i]);for(var s=0;s1?this[t](s[0],s[1]):this[t](e)}this._loadLatestSector()},_doInSupportSector:function(t,e){if(void 0===e)this._switchToSupportSector(),this[t]();else{this._switchToSupportSector();var i=Array.prototype.splice.call(arguments,1);i.length>1?this[t](i[0],i[1]):this[t](e)}this._loadLatestSector()},_doInAllFrozenSectors:function(t,e){if(void 0===e)for(var i in this.sectors.frozen)this.sectors.frozen.hasOwnProperty(i)&&(this._switchToFrozenSector(i),this[t]());else for(var i in this.sectors.frozen)if(this.sectors.frozen.hasOwnProperty(i)){this._switchToFrozenSector(i);var s=Array.prototype.splice.call(arguments,1);s.length>1?this[t](s[0],s[1]):this[t](e)}this._loadLatestSector()},_doInAllSectors:function(t,e){var i=Array.prototype.splice.call(arguments,1);void 0===e?(this._doInAllActiveSectors(t),this._doInAllFrozenSectors(t)):i.length>1?(this._doInAllActiveSectors(t,i[0],i[1]),this._doInAllFrozenSectors(t,i[0],i[1])):(this._doInAllActiveSectors(t,e),this._doInAllFrozenSectors(t,e))},_clearNodeIndexList:function(){var t=this._sector();this.sectors.active[t].nodeIndices=[],this.nodeIndices=this.sectors.active[t].nodeIndices},_drawSectorNodes:function(t,e){var i,s=1e9,n=-1e9,o=1e9,r=-1e9;for(var a in this.sectors[e])if(this.sectors[e].hasOwnProperty(a)&&void 0!==this.sectors[e][a].drawingNode){this._switchToSector(a,e),s=1e9,n=-1e9,o=1e9,r=-1e9;for(var h in this.nodes)this.nodes.hasOwnProperty(h)&&(i=this.nodes[h],i.resize(t),o>i.x-.5*i.width&&(o=i.x-.5*i.width),ri.y-.5*i.height&&(s=i.y-.5*i.height),nt&&s>n;)n%3==0?(this.forceAggregateHubs(!0),this.normalizeClusterLevels()):this.increaseClusterLevel(),i=this.nodeIndices.length,n+=1;n>0&&1==e&&this.repositionNodes(),this._updateCalculationNodes()},openCluster:function(t){var e=this.moving;if(t.clusterSize>this.constants.clustering.sectorThreshold&&this._nodeInActiveArea(t)&&("default"!=this._sector()||1!=this.nodeIndices.length)){this._addSector(t);for(var i=0;this.nodeIndices.lengthi;)this.decreaseClusterLevel(),i+=1}else this._expandClusterNode(t,!1,!0),this._updateNodeIndexList(),this._updateDynamicEdges(),this._updateCalculationNodes(),this.updateLabels();this.moving!=e&&this.start()},updateClustersDefault:function(){1==this.constants.clustering.enabled&&this.updateClusters(0,!1,!1)},increaseClusterLevel:function(){this.updateClusters(-1,!1,!0)},decreaseClusterLevel:function(){this.updateClusters(1,!1,!0)},updateClusters:function(t,e,i,s){var n=this.moving,o=this.nodeIndices.length;this.previousScale>this.scale&&0==t&&this._collapseSector(),this.previousScale>this.scale||-1==t?this._formClusters(i):(this.previousScalethis.scale||-1==t)&&(this._aggregateHubs(i),this._updateNodeIndexList()),(this.previousScale>this.scale||-1==t)&&(this.handleChains(),this._updateNodeIndexList()),this.previousScale=this.scale,this._updateDynamicEdges(),this.updateLabels(),this.nodeIndices.lengththis.constants.clustering.chainThreshold&&this._reduceAmountOfChains(1-this.constants.clustering.chainThreshold/t)},_aggregateHubs:function(t){this._getHubSize(),this._formClustersByHub(t,!1)},forceAggregateHubs:function(t){var e=this.moving,i=this.nodeIndices.length;this._aggregateHubs(!0),this._updateNodeIndexList(),this._updateDynamicEdges(),this.updateLabels(),this.nodeIndices.length!=i&&(this.clusterSession+=1),(0==t||void 0===t)&&this.moving!=e&&this.start()},_openClustersBySize:function(){for(var t in this.nodes)if(this.nodes.hasOwnProperty(t)){var e=this.nodes[t];1==e.inView()&&(e.width*this.scale>this.constants.clustering.screenSizeThreshold*this.frame.canvas.clientWidth||e.height*this.scale>this.constants.clustering.screenSizeThreshold*this.frame.canvas.clientHeight)&&this.openCluster(e)}},_openClusters:function(t,e){for(var i=0;i1&&(t.clusterSizei)){var r=o.from,a=o.to;o.to.mass>o.from.mass&&(r=o.to,a=o.from),1==a.dynamicEdgesLength?this._addToCluster(r,a,!1):1==r.dynamicEdgesLength&&this._addToCluster(a,r,!1)}}},_forceClustersByZoom:function(){for(var t in this.nodes)if(this.nodes.hasOwnProperty(t)){var e=this.nodes[t];if(1==e.dynamicEdgesLength&&0!=e.dynamicEdges.length){var i=e.dynamicEdges[0],s=i.toId==e.id?this.nodes[i.fromId]:this.nodes[i.toId];e.id!=s.id&&(s.mass>e.mass?this._addToCluster(s,e,!0):this._addToCluster(e,s,!0))}}},_clusterToSmallestNeighbour:function(t){for(var e=-1,i=null,s=0;sn.clusterSessions.length&&(e=n.clusterSessions.length,i=n)}null!=n&&void 0!==this.nodes[n.id]&&this._addToCluster(n,t,!0)},_formClustersByHub:function(t,e){for(var i in this.nodes)this.nodes.hasOwnProperty(i)&&this._formClusterFromHub(this.nodes[i],t,e)},_formClusterFromHub:function(t,e,i,s){if(void 0===s&&(s=0),t.dynamicEdgesLength>=this.hubThreshold&&0==i||t.dynamicEdgesLength==this.hubThreshold&&1==i){for(var n,o,r,a=this.constants.clustering.clusterEdgeThreshold/this.scale,h=!1,d=[],c=t.dynamicEdges.length,l=0;c>l;l++)d.push(t.dynamicEdges[l].id);if(0==e)for(h=!1,l=0;c>l;l++){var u=this.edges[d[l]];if(void 0!==u&&u.connected&&u.toId!=u.fromId&&(n=u.to.x-u.from.x,o=u.to.y-u.from.y,r=Math.sqrt(n*n+o*o),a>r)){h=!0;break}}if(!e&&h||e)for(l=0;c>l;l++)if(u=this.edges[d[l]],void 0!==u){var p=this.nodes[u.fromId==t.id?u.toId:u.fromId];p.dynamicEdges.length<=this.hubThreshold+s&&p.id!=t.id&&this._addToCluster(t,p,e)}}},_addToCluster:function(t,e,i){t.containedNodes[e.id]=e;for(var s=0;s1)for(var s=0;s1&&(e.label="[".concat(String(e.clusterSize),"]"))}for(t in this.nodes)this.nodes.hasOwnProperty(t)&&(e=this.nodes[t],1==e.clusterSize&&(e.label=void 0!==e.originalLabel?e.originalLabel:String(e.id)))},normalizeClusterLevels:function(){var t=0,e=1e9,i=0;for(var s in this.nodes)this.nodes.hasOwnProperty(s)&&(i=this.nodes[s].clusterSessions.length,i>t&&(t=i),e>i&&(e=i));if(t-e>this.constants.clustering.clusterLevelDifference){var n=this.nodeIndices.length,o=t-this.constants.clustering.clusterLevelDifference;for(var s in this.nodes)this.nodes.hasOwnProperty(s)&&this.nodes[s].clusterSessions.lengths&&(s=o.dynamicEdgesLength),t+=o.dynamicEdgesLength,e+=Math.pow(o.dynamicEdgesLength,2),i+=1}t/=i,e/=i;var r=e-Math.pow(t,2),a=Math.sqrt(r);this.hubThreshold=Math.floor(t+2*a),this.hubThreshold>s&&(this.hubThreshold=s)},_reduceAmountOfChains:function(t){this.hubThreshold=2;var e=Math.floor(this.nodeIndices.length*t);for(var i in this.nodes)this.nodes.hasOwnProperty(i)&&2==this.nodes[i].dynamicEdgesLength&&this.nodes[i].dynamicEdges.length>=2&&e>0&&(this._formClusterFromHub(this.nodes[i],!0,!0,1),e-=1)},_getChainFraction:function(){var t=0,e=0;for(var i in this.nodes)this.nodes.hasOwnProperty(i)&&(2==this.nodes[i].dynamicEdgesLength&&this.nodes[i].dynamicEdges.length>=2&&(t+=1),e+=1);return t/e}},SelectionMixin={_getNodesOverlappingWith:function(t,e){var i=this.nodes;for(var s in i)i.hasOwnProperty(s)&&i[s].isOverlappingWith(t)&&e.push(s)},_getAllNodesOverlappingWith:function(t){var e=[];return this._doInAllActiveSectors("_getNodesOverlappingWith",t,e),e},_pointerToPositionObject:function(t){var e=this._canvasToX(t.x),i=this._canvasToY(t.y);return{left:e,top:i,right:e,bottom:i}},_getNodeAt:function(t){var e=this._pointerToPositionObject(t),i=this._getAllNodesOverlappingWith(e);return i.length>0?this.nodes[i[i.length-1]]:null},_getEdgesOverlappingWith:function(t,e){var i=this.edges;for(var s in i)i.hasOwnProperty(s)&&i[s].isOverlappingWith(t)&&e.push(s)},_getAllEdgesOverlappingWith:function(t){var e=[];return this._doInAllActiveSectors("_getEdgesOverlappingWith",t,e),e},_getEdgeAt:function(t){var e=this._pointerToPositionObject(t),i=this._getAllEdgesOverlappingWith(e);return i.length>0?this.edges[i[i.length-1]]:null},_addToSelection:function(t){t instanceof Node?this.selectionObj.nodes[t.id]=t:this.selectionObj.edges[t.id]=t},_removeFromSelection:function(t){t instanceof Node?delete this.selectionObj.nodes[t.id]:delete this.selectionObj.edges[t.id]},_unselectAll:function(t){void 0===t&&(t=!1);for(var e in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(e)&&this.selectionObj.nodes[e].unselect();for(var i in this.selectionObj.edges)this.selectionObj.edges.hasOwnProperty(i)&&this.selectionObj.edges[i].unselect();this.selectionObj={nodes:{},edges:{}},0==t&&this.emit("select",this.getSelection())},_unselectClusters:function(t){void 0===t&&(t=!1);for(var e in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(e)&&this.selectionObj.nodes[e].clusterSize>1&&(this.selectionObj.nodes[e].unselect(),this._removeFromSelection(this.selectionObj.nodes[e]));0==t&&this.emit("select",this.getSelection())},_getSelectedNodeCount:function(){var t=0;for(var e in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(e)&&(t+=1);return t},_getSelectedNode:function(){for(var t in this.selectionObj.nodes)if(this.selectionObj.nodes.hasOwnProperty(t))return this.selectionObj.nodes[t];return null},_getSelectedEdgeCount:function(){var t=0;for(var e in this.selectionObj.edges)this.selectionObj.edges.hasOwnProperty(e)&&(t+=1);return t},_getSelectedObjectCount:function(){var t=0;for(var e in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(e)&&(t+=1);for(var i in this.selectionObj.edges)this.selectionObj.edges.hasOwnProperty(i)&&(t+=1);return t},_selectionIsEmpty:function(){for(var t in this.selectionObj.nodes)if(this.selectionObj.nodes.hasOwnProperty(t))return!1;for(var e in this.selectionObj.edges)if(this.selectionObj.edges.hasOwnProperty(e))return!1;return!0},_clusterInSelection:function(){for(var t in this.selectionObj.nodes)if(this.selectionObj.nodes.hasOwnProperty(t)&&this.selectionObj.nodes[t].clusterSize>1)return!0;return!1},_selectConnectedEdges:function(t){for(var e=0;ee;e++){s=t[e];var n=this.nodes[s];if(!n)throw new RangeError('Node with id "'+s+'" not found');this._selectObject(n,!0,!0)}this.redraw()},_updateSelection:function(){for(var t in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(t)&&(this.nodes.hasOwnProperty(t)||delete this.selectionObj.nodes[t]);for(var e in this.selectionObj.edges)this.selectionObj.edges.hasOwnProperty(e)&&(this.edges.hasOwnProperty(e)||delete this.selectionObj.edges[e])}},NavigationMixin={_cleanNavigation:function(){var t=document.getElementById("graph-navigation_wrapper");null!=t&&this.containerElement.removeChild(t),document.onmouseup=null},_loadNavigationElements:function(){this._cleanNavigation(),this.navigationDivs={};var t=["up","down","left","right","zoomIn","zoomOut","zoomExtends"],e=["_moveUp","_moveDown","_moveLeft","_moveRight","_zoomIn","_zoomOut","zoomExtent"];this.navigationDivs.wrapper=document.createElement("div"),this.navigationDivs.wrapper.id="graph-navigation_wrapper",this.navigationDivs.wrapper.style.position="absolute",this.navigationDivs.wrapper.style.width=this.frame.canvas.clientWidth+"px",this.navigationDivs.wrapper.style.height=this.frame.canvas.clientHeight+"px",this.containerElement.insertBefore(this.navigationDivs.wrapper,this.frame);for(var i=0;it.x&&(s=t.x),nt.y&&(e=t.y),i=this.constants.clustering.initialMaxNodes?49.07548/(n+142.05338)+91444e-8:12.662/(n+7.4147)+.0964822:1==this.constants.clustering.enabled&&n>=this.constants.clustering.initialMaxNodes?77.5271985/(n+187.266146)+476710517e-13:30.5062972/(n+19.93597763)+.08413486;var o=Math.min(this.frame.canvas.clientWidth/600,this.frame.canvas.clientHeight/600);i*=o}else{var r=1.1*(Math.abs(s.minX)+Math.abs(s.maxX)),a=1.1*(Math.abs(s.minY)+Math.abs(s.maxY)),h=this.frame.canvas.clientWidth/r,d=this.frame.canvas.clientHeight/a;i=d>=h?h:d}i>1&&(i=1),this._setScale(i),this._centerGraph(s),0==e&&(this.moving=!0,this.start())},Graph.prototype._updateNodeIndexList=function(){this._clearNodeIndexList();for(var t in this.nodes)this.nodes.hasOwnProperty(t)&&this.nodeIndices.push(t)},Graph.prototype.setData=function(t,e){if(void 0===e&&(e=!1),t&&t.dot&&(t.nodes||t.edges))throw new SyntaxError('Data must contain either parameter "dot" or parameter pair "nodes" and "edges", but not both.');if(this.setOptions(t&&t.options),t&&t.dot){if(t&&t.dot){var i=vis.util.DOTToGraph(t.dot);return void this.setData(i)}}else this._setNodes(t&&t.nodes),this._setEdges(t&&t.edges);this._putDataInSector(),e||(this.stabilize&&this._stabilize(),this.start())},Graph.prototype.setOptions=function(t){if(t){var e;if(void 0!==t.width&&(this.width=t.width),void 0!==t.height&&(this.height=t.height),void 0!==t.stabilize&&(this.stabilize=t.stabilize),void 0!==t.selectable&&(this.selectable=t.selectable),void 0!==t.smoothCurves&&(this.constants.smoothCurves=t.smoothCurves),void 0!==t.freezeForStabilization&&(this.constants.freezeForStabilization=t.freezeForStabilization),void 0!==t.configurePhysics&&(this.constants.configurePhysics=t.configurePhysics),void 0!==t.stabilizationIterations&&(this.constants.stabilizationIterations=t.stabilizationIterations),void 0!==t.labels)for(e in t.labels)t.labels.hasOwnProperty(e)&&(this.constants.labels[e]=t.labels[e]);if(t.onAdd&&(this.triggerFunctions.add=t.onAdd),t.onEdit&&(this.triggerFunctions.edit=t.onEdit),t.onConnect&&(this.triggerFunctions.connect=t.onConnect),t.onDelete&&(this.triggerFunctions.delete=t.onDelete),t.physics){if(t.physics.barnesHut){this.constants.physics.barnesHut.enabled=!0;for(e in t.physics.barnesHut)t.physics.barnesHut.hasOwnProperty(e)&&(this.constants.physics.barnesHut[e]=t.physics.barnesHut[e])}if(t.physics.repulsion){this.constants.physics.barnesHut.enabled=!1;for(e in t.physics.repulsion)t.physics.repulsion.hasOwnProperty(e)&&(this.constants.physics.repulsion[e]=t.physics.repulsion[e])}}if(t.hierarchicalLayout){this.constants.hierarchicalLayout.enabled=!0;for(e in t.hierarchicalLayout)t.hierarchicalLayout.hasOwnProperty(e)&&(this.constants.hierarchicalLayout[e]=t.hierarchicalLayout[e])}else void 0!==t.hierarchicalLayout&&(this.constants.hierarchicalLayout.enabled=!1);if(t.clustering){this.constants.clustering.enabled=!0;for(e in t.clustering)t.clustering.hasOwnProperty(e)&&(this.constants.clustering[e]=t.clustering[e])}else void 0!==t.clustering&&(this.constants.clustering.enabled=!1);if(t.navigation){this.constants.navigation.enabled=!0;for(e in t.navigation)t.navigation.hasOwnProperty(e)&&(this.constants.navigation[e]=t.navigation[e])}else void 0!==t.navigation&&(this.constants.navigation.enabled=!1);if(t.keyboard){this.constants.keyboard.enabled=!0;for(e in t.keyboard)t.keyboard.hasOwnProperty(e)&&(this.constants.keyboard[e]=t.keyboard[e])}else void 0!==t.keyboard&&(this.constants.keyboard.enabled=!1);if(t.dataManipulation){this.constants.dataManipulation.enabled=!0;for(e in t.dataManipulation)t.dataManipulation.hasOwnProperty(e)&&(this.constants.dataManipulation[e]=t.dataManipulation[e])}else void 0!==t.dataManipulation&&(this.constants.dataManipulation.enabled=!1);if(t.edges){for(e in t.edges)t.edges.hasOwnProperty(e)&&"object"!=typeof t.edges[e]&&(this.constants.edges[e]=t.edges[e]);void 0!==t.edges.color&&(util.isString(t.edges.color)?(this.constants.edges.color={},this.constants.edges.color.color=t.edges.color,this.constants.edges.color.highlight=t.edges.color):(void 0!==t.edges.color.color&&(this.constants.edges.color.color=t.edges.color.color),void 0!==t.edges.color.highlight&&(this.constants.edges.color.highlight=t.edges.color.highlight))),t.edges.fontColor||void 0!==t.edges.color&&(util.isString(t.edges.color)?this.constants.edges.fontColor=t.edges.color:void 0!==t.edges.color.color&&(this.constants.edges.fontColor=t.edges.color.color)),t.edges.dash&&(void 0!==t.edges.dash.length&&(this.constants.edges.dash.length=t.edges.dash.length),void 0!==t.edges.dash.gap&&(this.constants.edges.dash.gap=t.edges.dash.gap),void 0!==t.edges.dash.altLength&&(this.constants.edges.dash.altLength=t.edges.dash.altLength))}if(t.nodes){for(e in t.nodes)t.nodes.hasOwnProperty(e)&&(this.constants.nodes[e]=t.nodes[e]);t.nodes.color&&(this.constants.nodes.color=util.parseColor(t.nodes.color))}if(t.groups)for(var i in t.groups)if(t.groups.hasOwnProperty(i)){var s=t.groups[i];this.groups.add(i,s)}if(t.tooltip){for(e in t.tooltip)t.tooltip.hasOwnProperty(e)&&(this.constants.tooltip[e]=t.tooltip[e]);t.tooltip.color&&(this.constants.tooltip.color=util.parseColor(t.tooltip.color))}}this._loadPhysicsSystem(),this._loadNavigationControls(),this._loadManipulationSystem(),this._configureSmoothCurves(),this._createKeyBinds(),this.setSize(this.width,this.height),this._setTranslation(this.frame.clientWidth/2,this.frame.clientHeight/2),this._setScale(1),this._redraw()},Graph.prototype._create=function(){for(;this.containerElement.hasChildNodes();)this.containerElement.removeChild(this.containerElement.firstChild);if(this.frame=document.createElement("div"),this.frame.className="graph-frame",this.frame.style.position="relative",this.frame.style.overflow="hidden",this.frame.style.zIndex="1",this.frame.canvas=document.createElement("canvas"),this.frame.canvas.style.position="relative",this.frame.appendChild(this.frame.canvas),!this.frame.canvas.getContext){var t=document.createElement("DIV");t.style.color="red",t.style.fontWeight="bold",t.style.padding="10px",t.innerHTML="Error: your browser does not support HTML canvas",this.frame.canvas.appendChild(t)}var e=this;this.drag={},this.pinch={},this.hammer=Hammer(this.frame.canvas,{prevent_default:!0}),this.hammer.on("tap",e._onTap.bind(e)),this.hammer.on("doubletap",e._onDoubleTap.bind(e)),this.hammer.on("hold",e._onHold.bind(e)),this.hammer.on("pinch",e._onPinch.bind(e)),this.hammer.on("touch",e._onTouch.bind(e)),this.hammer.on("dragstart",e._onDragStart.bind(e)),this.hammer.on("drag",e._onDrag.bind(e)),this.hammer.on("dragend",e._onDragEnd.bind(e)),this.hammer.on("release",e._onRelease.bind(e)),this.hammer.on("mousewheel",e._onMouseWheel.bind(e)),this.hammer.on("DOMMouseScroll",e._onMouseWheel.bind(e)),this.hammer.on("mousemove",e._onMouseMoveTitle.bind(e)),this.containerElement.appendChild(this.frame)},Graph.prototype._createKeyBinds=function(){var t=this;this.mousetrap=mousetrap,this.mousetrap.reset(),1==this.constants.keyboard.enabled&&(this.mousetrap.bind("up",this._moveUp.bind(t),"keydown"),this.mousetrap.bind("up",this._yStopMoving.bind(t),"keyup"),this.mousetrap.bind("down",this._moveDown.bind(t),"keydown"),this.mousetrap.bind("down",this._yStopMoving.bind(t),"keyup"),this.mousetrap.bind("left",this._moveLeft.bind(t),"keydown"),this.mousetrap.bind("left",this._xStopMoving.bind(t),"keyup"),this.mousetrap.bind("right",this._moveRight.bind(t),"keydown"),this.mousetrap.bind("right",this._xStopMoving.bind(t),"keyup"),this.mousetrap.bind("=",this._zoomIn.bind(t),"keydown"),this.mousetrap.bind("=",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("-",this._zoomOut.bind(t),"keydown"),this.mousetrap.bind("-",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("[",this._zoomIn.bind(t),"keydown"),this.mousetrap.bind("[",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("]",this._zoomOut.bind(t),"keydown"),this.mousetrap.bind("]",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("pageup",this._zoomIn.bind(t),"keydown"),this.mousetrap.bind("pageup",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("pagedown",this._zoomOut.bind(t),"keydown"),this.mousetrap.bind("pagedown",this._stopZoom.bind(t),"keyup")),1==this.constants.dataManipulation.enabled&&(this.mousetrap.bind("escape",this._createManipulatorBar.bind(t)),this.mousetrap.bind("del",this._deleteSelected.bind(t)))},Graph.prototype._getPointer=function(t){return{x:t.pageX-vis.util.getAbsoluteLeft(this.frame.canvas),y:t.pageY-vis.util.getAbsoluteTop(this.frame.canvas)}},Graph.prototype._onTouch=function(t){this.drag.pointer=this._getPointer(t.gesture.center),this.drag.pinched=!1,this.pinch.scale=this._getScale(),this._handleTouch(this.drag.pointer)},Graph.prototype._onDragStart=function(){this._handleDragStart()},Graph.prototype._handleDragStart=function(){var t=this.drag,e=this._getNodeAt(t.pointer);if(t.dragging=!0,t.selection=[],t.translation=this._getTranslation(),t.nodeId=null,null!=e){t.nodeId=e.id,e.isSelected()||this._selectObject(e,!1);for(var i in this.selectionObj.nodes)if(this.selectionObj.nodes.hasOwnProperty(i)){var s=this.selectionObj.nodes[i],n={id:s.id,node:s,x:s.x,y:s.y,xFixed:s.xFixed,yFixed:s.yFixed};s.xFixed=!0,s.yFixed=!0,t.selection.push(n)}}},Graph.prototype._onDrag=function(t){this._handleOnDrag(t)},Graph.prototype._handleOnDrag=function(t){if(!this.drag.pinched){var e=this._getPointer(t.gesture.center),i=this,s=this.drag,n=s.selection;if(n&&n.length){var o=e.x-s.pointer.x,r=e.y-s.pointer.y;n.forEach(function(t){var e=t.node;t.xFixed||(e.x=i._canvasToX(i._xToCanvas(t.x)+o)),t.yFixed||(e.y=i._canvasToY(i._yToCanvas(t.y)+r))}),this.moving||(this.moving=!0,this.start())}else{var a=e.x-this.drag.pointer.x,h=e.y-this.drag.pointer.y;this._setTranslation(this.drag.translation.x+a,this.drag.translation.y+h),this._redraw(),this.moved=!0}}},Graph.prototype._onDragEnd=function(){this.drag.dragging=!1;var t=this.drag.selection;t&&t.forEach(function(t){t.node.xFixed=t.xFixed,t.node.yFixed=t.yFixed})},Graph.prototype._onTap=function(t){console.log(t);var e=this._getPointer(t.gesture.center);this.pointerPosition=e,this._handleTap(e)},Graph.prototype._onDoubleTap=function(t){var e=this._getPointer(t.gesture.center);this._handleDoubleTap(e)},Graph.prototype._onHold=function(t){var e=this._getPointer(t.gesture.center);this.pointerPosition=e,this._handleOnHold(e)},Graph.prototype._onRelease=function(t){var e=this._getPointer(t.gesture.center);this._handleOnRelease(e)},Graph.prototype._onPinch=function(t){var e=this._getPointer(t.gesture.center);this.drag.pinched=!0,"scale"in this.pinch||(this.pinch.scale=1);var i=this.pinch.scale*t.gesture.scale;this._zoom(i,e)},Graph.prototype._zoom=function(t,e){var i=this._getScale();1e-5>t&&(t=1e-5),t>10&&(t=10);var s=this._getTranslation(),n=t/i,o=(1-n)*e.x+s.x*n,r=(1-n)*e.y+s.y*n;return this.areaCenter={x:this._canvasToX(e.x),y:this._canvasToY(e.y)},this._setScale(t),this._setTranslation(o,r),this.updateClustersDefault(),this._redraw(),t},Graph.prototype._onMouseWheel=function(t){var e=0;if(t.wheelDelta?e=t.wheelDelta/120:t.detail&&(e=-t.detail/3),e){var i=this._getScale(),s=e/10;0>e&&(s/=1-s),i*=1+s;var n=util.fakeGesture(this,t),o=this._getPointer(n.center);this._zoom(i,o)}t.preventDefault()},Graph.prototype._onMouseMoveTitle=function(t){var e=util.fakeGesture(this,t),i=this._getPointer(e.center);this.popupNode&&this._checkHidePopup(i);var s=this,n=function(){s._checkShowPopup(i)};this.popupTimer&&clearInterval(this.popupTimer),this.drag.dragging||(this.popupTimer=setTimeout(n,this.constants.tooltip.delay))},Graph.prototype._checkShowPopup=function(t){var e,i={left:this._canvasToX(t.x),top:this._canvasToY(t.y),right:this._canvasToX(t.x),bottom:this._canvasToY(t.y)},s=this.popupNode;if(void 0==this.popupNode){var n=this.nodes;for(e in n)if(n.hasOwnProperty(e)){var o=n[e];if(void 0!==o.getTitle()&&o.isOverlappingWith(i)){this.popupNode=o;break}}}if(void 0===this.popupNode){var r=this.edges;for(e in r)if(r.hasOwnProperty(e)){var a=r[e];if(a.connected&&void 0!==a.getTitle()&&a.isOverlappingWith(i)){this.popupNode=a;break}}}if(this.popupNode){if(this.popupNode!=s){var h=this;h.popup||(h.popup=new Popup(h.frame,h.constants.tooltip)),h.popup.setPosition(t.x-3,t.y-3),h.popup.setText(h.popupNode.getTitle()),h.popup.show()}}else this.popup&&this.popup.hide()},Graph.prototype._checkHidePopup=function(t){this.popupNode&&this._getNodeAt(t)||(this.popupNode=void 0,this.popup&&this.popup.hide())},Graph.prototype.setSize=function(t,e){this.frame.style.width=t,this.frame.style.height=e,this.frame.canvas.style.width="100%",this.frame.canvas.style.height="100%",this.frame.canvas.width=this.frame.canvas.clientWidth,this.frame.canvas.height=this.frame.canvas.clientHeight,void 0!==this.manipulationDiv&&(this.manipulationDiv.style.width=this.frame.canvas.clientWidth+"px"),void 0!==this.navigationDivs&&void 0!==this.navigationDivs.wrapper&&(this.navigationDivs.wrapper.style.width=this.frame.canvas.clientWidth+"px",this.navigationDivs.wrapper.style.height=this.frame.canvas.clientHeight+"px"),this.emit("resize",{width:this.frame.canvas.width,height:this.frame.canvas.height})},Graph.prototype._setNodes=function(t){var e=this.nodesData;if(t instanceof DataSet||t instanceof DataView)this.nodesData=t;else if(t instanceof Array)this.nodesData=new DataSet,this.nodesData.add(t);else{if(t)throw new TypeError("Array or DataSet expected");this.nodesData=new DataSet}if(e&&util.forEach(this.nodesListeners,function(t,i){e.off(i,t)}),this.nodes={},this.nodesData){var i=this;util.forEach(this.nodesListeners,function(t,e){i.nodesData.on(e,t)});var s=this.nodesData.getIds();this._addNodes(s)}this._updateSelection()},Graph.prototype._addNodes=function(t){for(var e,i=0,s=t.length;s>i;i++){e=t[i];var n=this.nodesData.get(e),o=new Node(n,this.images,this.groups,this.constants);if(this.nodes[e]=o,!(0!=o.xFixed&&0!=o.yFixed||null!==o.x&&null!==o.y)){var r=1*t.length,a=2*Math.PI*Math.random();0==o.xFixed&&(o.x=r*Math.cos(a)),0==o.yFixed&&(o.y=r*Math.sin(a))}this.moving=!0}this._updateNodeIndexList(),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this._updateCalculationNodes(),this._reconnectEdges(),this._updateValueRange(this.nodes),this.updateLabels()},Graph.prototype._updateNodes=function(t){for(var e=this.nodes,i=this.nodesData,s=0,n=t.length;n>s;s++){var o=t[s],r=e[o],a=i.get(o);r?r.setProperties(a,this.constants):(r=new Node(properties,this.images,this.groups,this.constants),e[o]=r,r.isFixed()||(this.moving=!0))}this._updateNodeIndexList(),this._reconnectEdges(),this._updateValueRange(e)},Graph.prototype._removeNodes=function(t){for(var e=this.nodes,i=0,s=t.length;s>i;i++){var n=t[i];delete e[n]}this._updateNodeIndexList(),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this._updateCalculationNodes(),this._reconnectEdges(),this._updateSelection(),this._updateValueRange(e)},Graph.prototype._setEdges=function(t){var e=this.edgesData;if(t instanceof DataSet||t instanceof DataView)this.edgesData=t;else if(t instanceof Array)this.edgesData=new DataSet,this.edgesData.add(t);else{if(t)throw new TypeError("Array or DataSet expected");this.edgesData=new DataSet}if(e&&util.forEach(this.edgesListeners,function(t,i){e.off(i,t)}),this.edges={},this.edgesData){var i=this;util.forEach(this.edgesListeners,function(t,e){i.edgesData.on(e,t)});var s=this.edgesData.getIds();this._addEdges(s)}this._reconnectEdges()},Graph.prototype._addEdges=function(t){for(var e=this.edges,i=this.edgesData,s=0,n=t.length;n>s;s++){var o=t[s],r=e[o];r&&r.disconnect();var a=i.get(o,{showInternalIds:!0});e[o]=new Edge(a,this,this.constants)}this.moving=!0,this._updateValueRange(e),this._createBezierNodes(),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this._updateCalculationNodes()},Graph.prototype._updateEdges=function(t){for(var e=this.edges,i=this.edgesData,s=0,n=t.length;n>s;s++){var o=t[s],r=i.get(o),a=e[o];a?(a.disconnect(),a.setProperties(r,this.constants),a.connect()):(a=new Edge(r,this,this.constants),this.edges[o]=a)}this._createBezierNodes(),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this.moving=!0,this._updateValueRange(e)},Graph.prototype._removeEdges=function(t){for(var e=this.edges,i=0,s=t.length;s>i;i++){var n=t[i],o=e[n];o&&(null!=o.via&&delete this.sectors.support.nodes[o.via.id],o.disconnect(),delete e[n])}this.moving=!0,this._updateValueRange(e),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this._updateCalculationNodes()},Graph.prototype._reconnectEdges=function(){var t,e=this.nodes,i=this.edges;for(t in e)e.hasOwnProperty(t)&&(e[t].edges=[]);for(t in i)if(i.hasOwnProperty(t)){var s=i[t];s.from=null,s.to=null,s.connect()}},Graph.prototype._updateValueRange=function(t){var e,i=void 0,s=void 0;for(e in t)if(t.hasOwnProperty(e)){var n=t[e].getValue();void 0!==n&&(i=void 0===i?n:Math.min(n,i),s=void 0===s?n:Math.max(n,s))}if(void 0!==i&&void 0!==s)for(e in t)t.hasOwnProperty(e)&&t[e].setValueRange(i,s)},Graph.prototype.redraw=function(){this.setSize(this.width,this.height),this._redraw()},Graph.prototype._redraw=function(){var t=this.frame.canvas.getContext("2d"),e=this.frame.canvas.width,i=this.frame.canvas.height;t.clearRect(0,0,e,i),t.save(),t.translate(this.translation.x,this.translation.y),t.scale(this.scale,this.scale),this.canvasTopLeft={x:this._canvasToX(0),y:this._canvasToY(0)},this.canvasBottomRight={x:this._canvasToX(this.frame.canvas.clientWidth),y:this._canvasToY(this.frame.canvas.clientHeight)},this._doInAllSectors("_drawAllSectorNodes",t),this._doInAllSectors("_drawEdges",t),this._doInAllSectors("_drawNodes",t,!1),t.restore()},Graph.prototype._setTranslation=function(t,e){void 0===this.translation&&(this.translation={x:0,y:0}),void 0!==t&&(this.translation.x=t),void 0!==e&&(this.translation.y=e)},Graph.prototype._getTranslation=function(){return{x:this.translation.x,y:this.translation.y}},Graph.prototype._setScale=function(t){this.scale=t},Graph.prototype._getScale=function(){return this.scale},Graph.prototype._canvasToX=function(t){return(t-this.translation.x)/this.scale},Graph.prototype._xToCanvas=function(t){return t*this.scale+this.translation.x},Graph.prototype._canvasToY=function(t){return(t-this.translation.y)/this.scale},Graph.prototype._yToCanvas=function(t){return t*this.scale+this.translation.y},Graph.prototype._drawNodes=function(t,e){void 0===e&&(e=!1);var i=this.nodes,s=[];for(var n in i)i.hasOwnProperty(n)&&(i[n].setScaleAndPos(this.scale,this.canvasTopLeft,this.canvasBottomRight),i[n].isSelected()?s.push(n):(i[n].inArea()||e)&&i[n].draw(t));for(var o=0,r=s.length;r>o;o++)(i[s[o]].inArea()||e)&&i[s[o]].draw(t)},Graph.prototype._drawEdges=function(t){var e=this.edges;for(var i in e)if(e.hasOwnProperty(i)){var s=e[i];s.setScale(this.scale),s.connected&&e[i].draw(t)}},Graph.prototype._stabilize=function(){1==this.constants.freezeForStabilization&&this._freezeDefinedNodes();for(var t=0;this.moving&&t0)for(t in i)i.hasOwnProperty(t)&&(i[t].discreteStepLimited(e,this.constants.maxVelocity),s=!0);else for(t in i)i.hasOwnProperty(t)&&(i[t].discreteStep(e),s=!0);if(1==s){var n=this.constants.minVelocity/Math.max(this.scale,.05);this.moving=n>.5*this.constants.maxVelocity?!0:this._isMoving(n)}},Graph.prototype._physicsTick=function(){this.freezeSimulation||this.moving&&(this._doInAllActiveSectors("_initializeForceCalculation"),this._doInAllActiveSectors("_discreteStepNodes"),this.constants.smoothCurves&&this._doInSupportSector("_discreteStepNodes"),this._findCenter(this._getRange()))},Graph.prototype._animationStep=function(){this.timer=void 0,this._handleNavigation(),this.start();var t=Date.now(),e=1;this._physicsTick();for(var i=Date.now()-t;is;++s)i[s].apply(this,e)}return this},i.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks[t]||[]},i.prototype.hasListeners=function(t){return!!this.listeners(t).length}},{}],3:[function(t,e){!function(t,i){"use strict";function s(){if(!n.READY){n.event.determineEventTypes();for(var t in n.gestures)n.gestures.hasOwnProperty(t)&&n.detection.register(n.gestures[t]);n.event.onTouch(n.DOCUMENT,n.EVENT_MOVE,n.detection.detect),n.event.onTouch(n.DOCUMENT,n.EVENT_END,n.detection.detect),n.READY=!0}}var n=function(t,e){return new n.Instance(t,e||{})};n.defaults={stop_browser_behavior:{userSelect:"none",touchAction:"none",touchCallout:"none",contentZooming:"none",userDrag:"none",tapHighlightColor:"rgba(0,0,0,0)"}},n.HAS_POINTEREVENTS=navigator.pointerEnabled||navigator.msPointerEnabled,n.HAS_TOUCHEVENTS="ontouchstart"in t,n.MOBILE_REGEX=/mobile|tablet|ip(ad|hone|od)|android/i,n.NO_MOUSEEVENTS=n.HAS_TOUCHEVENTS&&navigator.userAgent.match(n.MOBILE_REGEX),n.EVENT_TYPES={},n.DIRECTION_DOWN="down",n.DIRECTION_LEFT="left",n.DIRECTION_UP="up",n.DIRECTION_RIGHT="right",n.POINTER_MOUSE="mouse",n.POINTER_TOUCH="touch",n.POINTER_PEN="pen",n.EVENT_START="start",n.EVENT_MOVE="move",n.EVENT_END="end",n.DOCUMENT=document,n.plugins={},n.READY=!1,n.Instance=function(t,e){var i=this;return s(),this.element=t,this.enabled=!0,this.options=n.utils.extend(n.utils.extend({},n.defaults),e||{}),this.options.stop_browser_behavior&&n.utils.stopDefaultBrowserBehavior(this.element,this.options.stop_browser_behavior),n.event.onTouch(t,n.EVENT_START,function(t){i.enabled&&n.detection.startDetect(i,t)}),this},n.Instance.prototype={on:function(t,e){for(var i=t.split(" "),s=0;s0&&e==n.EVENT_END?e=n.EVENT_MOVE:c||(e=n.EVENT_END),c||null===o?o=h:h=o,i.call(n.detection,s.collectEventData(t,e,h)),n.HAS_POINTEREVENTS&&e==n.EVENT_END&&(c=n.PointerEvent.updatePointer(e,h))),c||(o=null,r=!1,a=!1,n.PointerEvent.reset())}})},determineEventTypes:function(){var t;t=n.HAS_POINTEREVENTS?n.PointerEvent.getEvents():n.NO_MOUSEEVENTS?["touchstart","touchmove","touchend touchcancel"]:["touchstart mousedown","touchmove mousemove","touchend touchcancel mouseup"],n.EVENT_TYPES[n.EVENT_START]=t[0],n.EVENT_TYPES[n.EVENT_MOVE]=t[1],n.EVENT_TYPES[n.EVENT_END]=t[2]},getTouchList:function(t){return n.HAS_POINTEREVENTS?n.PointerEvent.getTouchList():t.touches?t.touches:[{identifier:1,pageX:t.pageX,pageY:t.pageY,target:t.target}]},collectEventData:function(t,e,i){var s=this.getTouchList(i,e),o=n.POINTER_TOUCH;return(i.type.match(/mouse/)||n.PointerEvent.matchType(n.POINTER_MOUSE,i))&&(o=n.POINTER_MOUSE),{center:n.utils.getCenter(s),timeStamp:(new Date).getTime(),target:i.target,touches:s,eventType:e,pointerType:o,srcEvent:i,preventDefault:function(){this.srcEvent.preventManipulation&&this.srcEvent.preventManipulation(),this.srcEvent.preventDefault&&this.srcEvent.preventDefault()},stopPropagation:function(){this.srcEvent.stopPropagation()},stopDetect:function(){return n.detection.stopDetect()}}}},n.PointerEvent={pointers:{},getTouchList:function(){var t=this,e=[];return Object.keys(t.pointers).sort().forEach(function(i){e.push(t.pointers[i])}),e},updatePointer:function(t,e){return t==n.EVENT_END?this.pointers={}:(e.identifier=e.pointerId,this.pointers[e.pointerId]=e),Object.keys(this.pointers).length},matchType:function(t,e){if(!e.pointerType)return!1;var i={};return i[n.POINTER_MOUSE]=e.pointerType==e.MSPOINTER_TYPE_MOUSE||e.pointerType==n.POINTER_MOUSE,i[n.POINTER_TOUCH]=e.pointerType==e.MSPOINTER_TYPE_TOUCH||e.pointerType==n.POINTER_TOUCH,i[n.POINTER_PEN]=e.pointerType==e.MSPOINTER_TYPE_PEN||e.pointerType==n.POINTER_PEN,i[t]},getEvents:function(){return["pointerdown MSPointerDown","pointermove MSPointerMove","pointerup pointercancel MSPointerUp MSPointerCancel"]},reset:function(){this.pointers={}}},n.utils={extend:function(t,e,s){for(var n in e)t[n]!==i&&s||(t[n]=e[n]);return t},hasParent:function(t,e){for(;t;){if(t==e)return!0;t=t.parentNode}return!1},getCenter:function(t){for(var e=[],i=[],s=0,n=t.length;n>s;s++)e.push(t[s].pageX),i.push(t[s].pageY);return{pageX:(Math.min.apply(Math,e)+Math.max.apply(Math,e))/2,pageY:(Math.min.apply(Math,i)+Math.max.apply(Math,i))/2}},getVelocity:function(t,e,i){return{x:Math.abs(e/t)||0,y:Math.abs(i/t)||0}},getAngle:function(t,e){var i=e.pageY-t.pageY,s=e.pageX-t.pageX;return 180*Math.atan2(i,s)/Math.PI},getDirection:function(t,e){var i=Math.abs(t.pageX-e.pageX),s=Math.abs(t.pageY-e.pageY);return i>=s?t.pageX-e.pageX>0?n.DIRECTION_LEFT:n.DIRECTION_RIGHT:t.pageY-e.pageY>0?n.DIRECTION_UP:n.DIRECTION_DOWN},getDistance:function(t,e){var i=e.pageX-t.pageX,s=e.pageY-t.pageY;return Math.sqrt(i*i+s*s)},getScale:function(t,e){return t.length>=2&&e.length>=2?this.getDistance(e[0],e[1])/this.getDistance(t[0],t[1]):1},getRotation:function(t,e){return t.length>=2&&e.length>=2?this.getAngle(e[1],e[0])-this.getAngle(t[1],t[0]):0},isVertical:function(t){return t==n.DIRECTION_UP||t==n.DIRECTION_DOWN},stopDefaultBrowserBehavior:function(t,e){var i,s=["webkit","khtml","moz","ms","o",""];if(e&&t.style){for(var n=0;ni;i++){var o=this.gestures[i];if(!this.stopped&&e[o.name]!==!1&&o.handler.call(o,t,this.current.inst)===!1){this.stopDetect();break}}return this.current&&(this.current.lastEvent=t),t.eventType==n.EVENT_END&&!t.touches.length-1&&this.stopDetect(),t}},stopDetect:function(){this.previous=n.utils.extend({},this.current),this.current=null,this.stopped=!0},extendEventData:function(t){var e=this.current.startEvent;if(e&&(t.touches.length!=e.touches.length||t.touches===e.touches)){e.touches=[];for(var i=0,s=t.touches.length;s>i;i++)e.touches.push(n.utils.extend({},t.touches[i]))}var o=t.timeStamp-e.timeStamp,r=t.center.pageX-e.center.pageX,a=t.center.pageY-e.center.pageY,h=n.utils.getVelocity(o,r,a);return n.utils.extend(t,{deltaTime:o,deltaX:r,deltaY:a,velocityX:h.x,velocityY:h.y,distance:n.utils.getDistance(e.center,t.center),angle:n.utils.getAngle(e.center,t.center),direction:n.utils.getDirection(e.center,t.center),scale:n.utils.getScale(e.touches,t.touches),rotation:n.utils.getRotation(e.touches,t.touches),startEvent:e}),t},register:function(t){var e=t.defaults||{};return e[t.name]===i&&(e[t.name]=!0),n.utils.extend(n.defaults,e,!0),t.index=t.index||1e3,this.gestures.push(t),this.gestures.sort(function(t,e){return t.indexe.index?1:0}),this.gestures}},n.gestures=n.gestures||{},n.gestures.Hold={name:"hold",index:10,defaults:{hold_timeout:500,hold_threshold:1},timer:null,handler:function(t,e){switch(t.eventType){case n.EVENT_START:clearTimeout(this.timer),n.detection.current.name=this.name,this.timer=setTimeout(function(){"hold"==n.detection.current.name&&e.trigger("hold",t)},e.options.hold_timeout);break;case n.EVENT_MOVE:t.distance>e.options.hold_threshold&&clearTimeout(this.timer);break;case n.EVENT_END:clearTimeout(this.timer)}}},n.gestures.Tap={name:"tap",index:100,defaults:{tap_max_touchtime:250,tap_max_distance:10,tap_always:!0,doubletap_distance:20,doubletap_interval:300},handler:function(t,e){if(t.eventType==n.EVENT_END){var 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e+(i&&i.scrollLeft||s&&s.scrollLeft||0)-(i&&i.clientLeft||s&&s.clientLeft||0)},util.addClassName=function(t,e){var i=t.className.split(" ");-1==i.indexOf(e)&&(i.push(e),t.className=i.join(" "))},util.removeClassName=function(t,e){var i=t.className.split(" "),s=i.indexOf(e);-1!=s&&(i.splice(s,1),t.className=i.join(" "))},util.forEach=function(t,e){var i,s;if(t instanceof Array)for(i=0,s=t.length;s>i;i++)e(t[i],i,t);else for(i in t)t.hasOwnProperty(i)&&e(t[i],i,t)},util.toArray=function(t){var e=[];for(var i in t)t.hasOwnProperty(i)&&e.push(t[i]);return e},util.updateProperty=function(t,e,i){return t[e]!==i?(t[e]=i,!0):!1},util.addEventListener=function(t,e,i,s){t.addEventListener?(void 0===s&&(s=!1),"mousewheel"===e&&navigator.userAgent.indexOf("Firefox")>=0&&(e="DOMMouseScroll"),t.addEventListener(e,i,s)):t.attachEvent("on"+e,i)},util.removeEventListener=function(t,e,i,s){t.removeEventListener?(void 0===s&&(s=!1),"mousewheel"===e&&navigator.userAgent.indexOf("Firefox")>=0&&(e="DOMMouseScroll"),t.removeEventListener(e,i,s)):t.detachEvent("on"+e,i)},util.getTarget=function(t){t||(t=window.event);var e;return t.target?e=t.target:t.srcElement&&(e=t.srcElement),void 0!=e.nodeType&&3==e.nodeType&&(e=e.parentNode),e},util.fakeGesture=function(t,e){var i=null,s=Hammer.event.collectEventData(this,i,e);return isNaN(s.center.pageX)&&(s.center.pageX=e.pageX),isNaN(s.center.pageY)&&(s.center.pageY=e.pageY),s},util.option={},util.option.asBoolean=function(t,e){return"function"==typeof t&&(t=t()),null!=t?0!=t:e||null},util.option.asNumber=function(t,e){return"function"==typeof t&&(t=t()),null!=t?Number(t)||e||null:e||null +},util.option.asString=function(t,e){return"function"==typeof t&&(t=t()),null!=t?String(t):e||null},util.option.asSize=function(t,e){return"function"==typeof t&&(t=t()),util.isString(t)?t:util.isNumber(t)?t+"px":e||null},util.option.asElement=function(t,e){return"function"==typeof t&&(t=t()),t||e||null},util.GiveDec=function GiveDec(Hex){var Value;return Value="A"==Hex?10:"B"==Hex?11:"C"==Hex?12:"D"==Hex?13:"E"==Hex?14:"F"==Hex?15:eval(Hex)},util.GiveHex=function(t){var e;return e=10==t?"A":11==t?"B":12==t?"C":13==t?"D":14==t?"E":15==t?"F":""+t},util.parseColor=function(t){var e;if(util.isString(t))if(util.isValidHex(t)){var i=util.hexToHSV(t),s={h:i.h,s:.45*i.s,v:Math.min(1,1.05*i.v)},n={h:i.h,s:Math.min(1,1.25*i.v),v:.6*i.v},o=util.HSVToHex(n.h,n.h,n.v),a=util.HSVToHex(s.h,s.s,s.v);e={background:t,border:o,highlight:{background:a,border:o}}}else e={background:t,border:t,highlight:{background:t,border:t}};else e={},e.background=t.background||"white",e.border=t.border||e.background,util.isString(t.highlight)?e.highlight={border:t.highlight,background:t.highlight}:(e.highlight={},e.highlight.background=t.highlight&&t.highlight.background||e.background,e.highlight.border=t.highlight&&t.highlight.border||e.border);return e},util.hexToRGB=function(t){t=t.replace("#","").toUpperCase();var e=util.GiveDec(t.substring(0,1)),i=util.GiveDec(t.substring(1,2)),s=util.GiveDec(t.substring(2,3)),n=util.GiveDec(t.substring(3,4)),o=util.GiveDec(t.substring(4,5)),a=util.GiveDec(t.substring(5,6)),r=16*e+i,h=16*s+n,i=16*o+a;return{r:r,g:h,b:i}},util.RGBToHex=function(t,e,i){var s=util.GiveHex(Math.floor(t/16)),n=util.GiveHex(t%16),o=util.GiveHex(Math.floor(e/16)),a=util.GiveHex(e%16),r=util.GiveHex(Math.floor(i/16)),h=util.GiveHex(i%16),d=s+n+o+a+r+h;return"#"+d},util.RGBToHSV=function(t,e,i){t/=255,e/=255,i/=255;var s=Math.min(t,Math.min(e,i)),n=Math.max(t,Math.max(e,i));if(s==n)return{h:0,s:0,v:s};var o=t==s?e-i:i==s?t-e:i-t,a=t==s?3:i==s?1:5,r=60*(a-o/(n-s))/360,h=(n-s)/n,d=n;return{h:r,s:h,v:d}},util.HSVToRGB=function(t,e,i){var s,n,o,a=Math.floor(6*t),r=6*t-a,h=i*(1-e),d=i*(1-r*e),c=i*(1-(1-r)*e);switch(a%6){case 0:s=i,n=c,o=h;break;case 1:s=d,n=i,o=h;break;case 2:s=h,n=i,o=c;break;case 3:s=h,n=d,o=i;break;case 4:s=c,n=h,o=i;break;case 5:s=i,n=h,o=d}return{r:Math.floor(255*s),g:Math.floor(255*n),b:Math.floor(255*o)}},util.HSVToHex=function(t,e,i){var s=util.HSVToRGB(t,e,i);return util.RGBToHex(s.r,s.g,s.b)},util.hexToHSV=function(t){var e=util.hexToRGB(t);return util.RGBToHSV(e.r,e.g,e.b)},util.isValidHex=function(t){var e=/(^#[0-9A-F]{6}$)|(^#[0-9A-F]{3}$)/i.test(t);return e},util.copyObject=function(t,e){for(var i in t)t.hasOwnProperty(i)&&("object"==typeof t[i]?(e[i]={},util.copyObject(t[i],e[i])):e[i]=t[i])},DataSet.prototype.on=function(t,e){var i=this.subscribers[t];i||(i=[],this.subscribers[t]=i),i.push({callback:e})},DataSet.prototype.subscribe=DataSet.prototype.on,DataSet.prototype.off=function(t,e){var i=this.subscribers[t];i&&(this.subscribers[t]=i.filter(function(t){return t.callback!=e}))},DataSet.prototype.unsubscribe=DataSet.prototype.off,DataSet.prototype._trigger=function(t,e,i){if("*"==t)throw new Error("Cannot trigger event *");var s=[];t in this.subscribers&&(s=s.concat(this.subscribers[t])),"*"in this.subscribers&&(s=s.concat(this.subscribers["*"]));for(var n=0;no;o++)i=n._addItem(t[o]),s.push(i);else if(util.isDataTable(t))for(var r=this._getColumnNames(t),h=0,d=t.getNumberOfRows();d>h;h++){for(var c={},l=0,u=r.length;u>l;l++){var p=r[l];c[p]=t.getValue(h,l)}i=n._addItem(c),s.push(i)}else{if(!(t instanceof Object))throw new Error("Unknown dataType");i=n._addItem(t),s.push(i)}return s.length&&this._trigger("add",{items:s},e),s},DataSet.prototype.update=function(t,e){var i=[],s=[],n=this,o=n.fieldId,a=function(t){var e=t[o];n.data[e]?(e=n._updateItem(t),s.push(e)):(e=n._addItem(t),i.push(e))};if(t instanceof Array)for(var r=0,h=t.length;h>r;r++)a(t[r]);else if(util.isDataTable(t))for(var d=this._getColumnNames(t),c=0,l=t.getNumberOfRows();l>c;c++){for(var u={},p=0,g=d.length;g>p;p++){var m=d[p];u[m]=t.getValue(c,p)}a(u)}else{if(!(t instanceof Object))throw new Error("Unknown dataType");a(t)}return i.length&&this._trigger("add",{items:i},e),s.length&&this._trigger("update",{items:s},e),i.concat(s)},DataSet.prototype.get=function(){var t,e,i,s,n=this,o=this.showInternalIds,a=util.getType(arguments[0]);"String"==a||"Number"==a?(t=arguments[0],i=arguments[1],s=arguments[2]):"Array"==a?(e=arguments[0],i=arguments[1],s=arguments[2]):(i=arguments[0],s=arguments[1]);var r;if(i&&i.type){if(r="DataTable"==i.type?"DataTable":"Array",s&&r!=util.getType(s))throw new Error('Type of parameter "data" ('+util.getType(s)+") does not correspond with specified options.type ("+i.type+")");if("DataTable"==r&&!util.isDataTable(s))throw new Error('Parameter "data" must be a DataTable when options.type is "DataTable"')}else r=s&&"DataTable"==util.getType(s)?"DataTable":"Array";void 0!=i&&void 0!=i.showInternalIds&&(this.showInternalIds=i.showInternalIds);var h,d,c,l,u=i&&i.convert||this.options.convert,p=i&&i.filter,g=[];if(void 0!=t)h=n._getItem(t,u),p&&!p(h)&&(h=null);else if(void 0!=e)for(c=0,l=e.length;l>c;c++)h=n._getItem(e[c],u),(!p||p(h))&&g.push(h);else for(d in this.data)this.data.hasOwnProperty(d)&&(h=n._getItem(d,u),(!p||p(h))&&g.push(h));if(this.showInternalIds=o,i&&i.order&&void 0==t&&this._sort(g,i.order),i&&i.fields){var m=i.fields;if(void 0!=t)h=this._filterFields(h,m);else for(c=0,l=g.length;l>c;c++)g[c]=this._filterFields(g[c],m)}if("DataTable"==r){var f=this._getColumnNames(s);if(void 0!=t)n._appendRow(s,f,h);else for(c=0,l=g.length;l>c;c++)n._appendRow(s,f,g[c]);return s}if(void 0!=t)return h;if(s){for(c=0,l=g.length;l>c;c++)s.push(g[c]);return s}return g},DataSet.prototype.getIds=function(t){var e,i,s,n,o,a=this.data,r=t&&t.filter,h=t&&t.order,d=t&&t.convert||this.options.convert,c=[];if(r)if(h){o=[];for(s in a)a.hasOwnProperty(s)&&(n=this._getItem(s,d),r(n)&&o.push(n));for(this._sort(o,h),e=0,i=o.length;i>e;e++)c[e]=o[e][this.fieldId]}else for(s in a)a.hasOwnProperty(s)&&(n=this._getItem(s,d),r(n)&&c.push(n[this.fieldId]));else if(h){o=[];for(s in a)a.hasOwnProperty(s)&&o.push(a[s]);for(this._sort(o,h),e=0,i=o.length;i>e;e++)c[e]=o[e][this.fieldId]}else for(s in a)a.hasOwnProperty(s)&&(n=a[s],c.push(n[this.fieldId]));return c},DataSet.prototype.forEach=function(t,e){var i,s,n=e&&e.filter,o=e&&e.convert||this.options.convert,a=this.data;if(e&&e.order)for(var r=this.get(e),h=0,d=r.length;d>h;h++)i=r[h],s=i[this.fieldId],t(i,s);else for(s in a)a.hasOwnProperty(s)&&(i=this._getItem(s,o),(!n||n(i))&&t(i,s))},DataSet.prototype.map=function(t,e){var i,s=e&&e.filter,n=e&&e.convert||this.options.convert,o=[],a=this.data;for(var r in a)a.hasOwnProperty(r)&&(i=this._getItem(r,n),(!s||s(i))&&o.push(t(i,r)));return e&&e.order&&this._sort(o,e.order),o},DataSet.prototype._filterFields=function(t,e){var i={};for(var s in t)t.hasOwnProperty(s)&&-1!=e.indexOf(s)&&(i[s]=t[s]);return i},DataSet.prototype._sort=function(t,e){if(util.isString(e)){var i=e;t.sort(function(t,e){var s=t[i],n=e[i];return s>n?1:n>s?-1:0})}else{if("function"!=typeof e)throw new TypeError("Order must be a function or a string");t.sort(e)}},DataSet.prototype.remove=function(t,e){var i,s,n,o=[];if(t instanceof Array)for(i=0,s=t.length;s>i;i++)n=this._remove(t[i]),null!=n&&o.push(n);else n=this._remove(t),null!=n&&o.push(n);return o.length&&this._trigger("remove",{items:o},e),o},DataSet.prototype._remove=function(t){if(util.isNumber(t)||util.isString(t)){if(this.data[t])return delete this.data[t],delete this.internalIds[t],t}else if(t instanceof Object){var e=t[this.fieldId];if(e&&this.data[e])return delete this.data[e],delete this.internalIds[e],e}return null},DataSet.prototype.clear=function(t){var e=Object.keys(this.data);return this.data={},this.internalIds={},this._trigger("remove",{items:e},t),e},DataSet.prototype.max=function(t){var e=this.data,i=null,s=null;for(var n in e)if(e.hasOwnProperty(n)){var o=e[n],a=o[t];null!=a&&(!i||a>s)&&(i=o,s=a)}return i},DataSet.prototype.min=function(t){var e=this.data,i=null,s=null;for(var n in e)if(e.hasOwnProperty(n)){var o=e[n],a=o[t];null!=a&&(!i||s>a)&&(i=o,s=a)}return i},DataSet.prototype.distinct=function(t){var e=this.data,i=[],s=this.options.convert[t],n=0;for(var o in e)if(e.hasOwnProperty(o)){for(var a=e[o],r=util.convert(a[t],s),h=!1,d=0;n>d;d++)if(i[d]==r){h=!0;break}h||(i[n]=r,n++)}return i},DataSet.prototype._addItem=function(t){var e=t[this.fieldId];if(void 0!=e){if(this.data[e])throw new Error("Cannot add item: item with id "+e+" already exists")}else e=util.randomUUID(),t[this.fieldId]=e,this.internalIds[e]=t;var i={};for(var s in t)if(t.hasOwnProperty(s)){var n=this.convert[s];i[s]=util.convert(t[s],n)}return this.data[e]=i,e},DataSet.prototype._getItem=function(t,e){var i,s,n=this.data[t];if(!n)return null;var o={},a=this.fieldId,r=this.internalIds;if(e)for(i in n)n.hasOwnProperty(i)&&(s=n[i],i==a&&s in r&&!this.showInternalIds||(o[i]=util.convert(s,e[i])));else for(i in n)n.hasOwnProperty(i)&&(s=n[i],i==a&&s in r&&!this.showInternalIds||(o[i]=s));return o},DataSet.prototype._updateItem=function(t){var e=t[this.fieldId];if(void 0==e)throw new Error("Cannot update item: item has no id (item: "+JSON.stringify(t)+")");var i=this.data[e];if(!i)throw new Error("Cannot update item: no item with id "+e+" found");for(var s in t)if(t.hasOwnProperty(s)){var n=this.convert[s];i[s]=util.convert(t[s],n)}return e},DataSet.prototype.isInternalId=function(t){return t in this.internalIds},DataSet.prototype._getColumnNames=function(t){for(var e=[],i=0,s=t.getNumberOfColumns();s>i;i++)e[i]=t.getColumnId(i)||t.getColumnLabel(i);return e},DataSet.prototype._appendRow=function(t,e,i){for(var s=t.addRow(),n=0,o=e.length;o>n;n++){var a=e[n];t.setValue(s,n,i[a])}},DataView.prototype.setData=function(t){var e,i,s;if(this.data){this.data.unsubscribe&&this.data.unsubscribe("*",this.listener),e=[];for(var n in this.ids)this.ids.hasOwnProperty(n)&&e.push(n);this.ids={},this._trigger("remove",{items:e})}if(this.data=t,this.data){for(this.fieldId=this.options.fieldId||this.data&&this.data.options&&this.data.options.fieldId||"id",e=this.data.getIds({filter:this.options&&this.options.filter}),i=0,s=e.length;s>i;i++)n=e[i],this.ids[n]=!0;this._trigger("add",{items:e}),this.data.on&&this.data.on("*",this.listener)}},DataView.prototype.get=function(){var t,e,i,s=this,n=util.getType(arguments[0]);"String"==n||"Number"==n||"Array"==n?(t=arguments[0],e=arguments[1],i=arguments[2]):(e=arguments[0],i=arguments[1]);var o=util.extend({},this.options,e);this.options.filter&&e&&e.filter&&(o.filter=function(t){return s.options.filter(t)&&e.filter(t)});var a=[];return void 0!=t&&a.push(t),a.push(o),a.push(i),this.data&&this.data.get.apply(this.data,a)},DataView.prototype.getIds=function(t){var e;if(this.data){var i,s=this.options.filter;i=t&&t.filter?s?function(e){return s(e)&&t.filter(e)}:t.filter:s,e=this.data.getIds({filter:i,order:t&&t.order})}else e=[];return e},DataView.prototype._onEvent=function(t,e,i){var s,n,o,a,r=e&&e.items,h=this.data,d=[],c=[],l=[];if(r&&h){switch(t){case"add":for(s=0,n=r.length;n>s;s++)o=r[s],a=this.get(o),a&&(this.ids[o]=!0,d.push(o));break;case"update":for(s=0,n=r.length;n>s;s++)o=r[s],a=this.get(o),a?this.ids[o]?c.push(o):(this.ids[o]=!0,d.push(o)):this.ids[o]&&(delete this.ids[o],l.push(o));break;case"remove":for(s=0,n=r.length;n>s;s++)o=r[s],this.ids[o]&&(delete this.ids[o],l.push(o))}d.length&&this._trigger("add",{items:d},i),c.length&&this._trigger("update",{items:c},i),l.length&&this._trigger("remove",{items:l},i)}},DataView.prototype.on=DataSet.prototype.on,DataView.prototype.off=DataSet.prototype.off,DataView.prototype._trigger=DataSet.prototype._trigger,DataView.prototype.subscribe=DataView.prototype.on,DataView.prototype.unsubscribe=DataView.prototype.off,TimeStep=function(t,e,i){this.current=new Date,this._start=new Date,this._end=new Date,this.autoScale=!0,this.scale=TimeStep.SCALE.DAY,this.step=1,this.setRange(t,e,i)},TimeStep.SCALE={MILLISECOND:1,SECOND:2,MINUTE:3,HOUR:4,DAY:5,WEEKDAY:6,MONTH:7,YEAR:8},TimeStep.prototype.setRange=function(t,e,i){if(!(t instanceof Date&&e instanceof Date))throw"No legal start or end date in method setRange";this._start=void 0!=t?new Date(t.valueOf()):new Date,this._end=void 0!=e?new Date(e.valueOf()):new Date,this.autoScale&&this.setMinimumStep(i)},TimeStep.prototype.first=function(){this.current=new Date(this._start.valueOf()),this.roundToMinor()},TimeStep.prototype.roundToMinor=function(){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: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)}if(1!=this.step)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: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)}},TimeStep.prototype.hasNext=function(){return this.current.valueOf()<=this._end.valueOf()},TimeStep.prototype.next=function(){var t=this.current.valueOf();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()+1e3*this.step);break;case TimeStep.SCALE.MINUTE:this.current=new Date(this.current.valueOf()+1e3*this.step*60);break;case TimeStep.SCALE.HOUR:this.current=new Date(this.current.valueOf()+1e3*this.step*60*60);var e=this.current.getHours();this.current.setHours(e-e%this.step);break;case TimeStep.SCALE.WEEKDAY: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)}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: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)}if(1!=this.step)switch(this.scale){case TimeStep.SCALE.MILLISECOND:this.current.getMilliseconds()0&&(this.step=e),this.autoScale=!1},TimeStep.prototype.setAutoScale=function(t){this.autoScale=t},TimeStep.prototype.setMinimumStep=function(t){if(void 0!=t){var e=31104e6,i=2592e6,s=864e5,n=36e5,o=6e4,a=1e3,r=1;1e3*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=1e3),500*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=500),100*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=100),50*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=50),10*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=10),5*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=5),e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=1),3*i>t&&(this.scale=TimeStep.SCALE.MONTH,this.step=3),i>t&&(this.scale=TimeStep.SCALE.MONTH,this.step=1),5*s>t&&(this.scale=TimeStep.SCALE.DAY,this.step=5),2*s>t&&(this.scale=TimeStep.SCALE.DAY,this.step=2),s>t&&(this.scale=TimeStep.SCALE.DAY,this.step=1),s/2>t&&(this.scale=TimeStep.SCALE.WEEKDAY,this.step=1),4*n>t&&(this.scale=TimeStep.SCALE.HOUR,this.step=4),n>t&&(this.scale=TimeStep.SCALE.HOUR,this.step=1),15*o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=15),10*o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=10),5*o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=5),o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=1),15*a>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=15),10*a>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=10),5*a>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=5),a>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=1),200*r>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=200),100*r>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=100),50*r>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=50),10*r>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=10),5*r>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=5),r>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=1)}},TimeStep.prototype.snap=function(t){var e=new Date(t.valueOf());if(this.scale==TimeStep.SCALE.YEAR){var i=e.getFullYear()+Math.round(e.getMonth()/12);e.setFullYear(Math.round(i/this.step)*this.step),e.setMonth(0),e.setDate(0),e.setHours(0),e.setMinutes(0),e.setSeconds(0),e.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.MONTH)e.getDate()>15?(e.setDate(1),e.setMonth(e.getMonth()+1)):e.setDate(1),e.setHours(0),e.setMinutes(0),e.setSeconds(0),e.setMilliseconds(0);else if(this.scale==TimeStep.SCALE.DAY||this.scale==TimeStep.SCALE.WEEKDAY){switch(this.step){case 5:case 2:e.setHours(24*Math.round(e.getHours()/24));break;default:e.setHours(12*Math.round(e.getHours()/12))}e.setMinutes(0),e.setSeconds(0),e.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.HOUR){switch(this.step){case 4:e.setMinutes(60*Math.round(e.getMinutes()/60));break;default:e.setMinutes(30*Math.round(e.getMinutes()/30))}e.setSeconds(0),e.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.MINUTE){switch(this.step){case 15:case 10:e.setMinutes(5*Math.round(e.getMinutes()/5)),e.setSeconds(0);break;case 5:e.setSeconds(60*Math.round(e.getSeconds()/60));break;default:e.setSeconds(30*Math.round(e.getSeconds()/30))}e.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.SECOND)switch(this.step){case 15:case 10:e.setSeconds(5*Math.round(e.getSeconds()/5)),e.setMilliseconds(0);break;case 5:e.setMilliseconds(1e3*Math.round(e.getMilliseconds()/1e3));break;default:e.setMilliseconds(500*Math.round(e.getMilliseconds()/500))}else if(this.scale==TimeStep.SCALE.MILLISECOND){var s=this.step>5?this.step/2:1;e.setMilliseconds(Math.round(e.getMilliseconds()/s)*s)}return e},TimeStep.prototype.isMajor=function(){switch(this.scale){case TimeStep.SCALE.MILLISECOND:return 0==this.current.getMilliseconds();case TimeStep.SCALE.SECOND:return 0==this.current.getSeconds();case TimeStep.SCALE.MINUTE:return 0==this.current.getHours()&&0==this.current.getMinutes();case TimeStep.SCALE.HOUR:return 0==this.current.getHours();case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:return 1==this.current.getDate();case TimeStep.SCALE.MONTH:return 0==this.current.getMonth();case TimeStep.SCALE.YEAR:return!1;default:return!1}},TimeStep.prototype.getLabelMinor=function(t){switch(void 0==t&&(t=this.current),this.scale){case TimeStep.SCALE.MILLISECOND:return moment(t).format("SSS");case TimeStep.SCALE.SECOND:return moment(t).format("s");case TimeStep.SCALE.MINUTE:return moment(t).format("HH:mm");case TimeStep.SCALE.HOUR:return moment(t).format("HH:mm");case TimeStep.SCALE.WEEKDAY:return moment(t).format("ddd D");case TimeStep.SCALE.DAY:return moment(t).format("D");case TimeStep.SCALE.MONTH:return moment(t).format("MMM");case TimeStep.SCALE.YEAR:return moment(t).format("YYYY");default:return""}},TimeStep.prototype.getLabelMajor=function(t){switch(void 0==t&&(t=this.current),this.scale){case TimeStep.SCALE.MILLISECOND:return moment(t).format("HH:mm:ss");case TimeStep.SCALE.SECOND:return moment(t).format("D MMMM HH:mm");case TimeStep.SCALE.MINUTE:case TimeStep.SCALE.HOUR:return moment(t).format("ddd D MMMM");case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:return moment(t).format("MMMM YYYY");case TimeStep.SCALE.MONTH:return moment(t).format("YYYY");case TimeStep.SCALE.YEAR:return"";default:return""}},Stack.prototype.setOptions=function(t){util.extend(this.options,t)},Stack.prototype.order=function t(e){var t=this.options.order||this.defaultOptions.order;if("function"!=typeof t)throw new Error("Option order must be a function");e.sort(t)},Stack.prototype.orderByStart=function(t){t.sort(function(t,e){return t.data.start-e.data.start})},Stack.prototype.orderByEnd=function(t){t.sort(function(t,e){var i="end"in t.data?t.data.end:t.data.start,s="end"in e.data?e.data.end:e.data.start;return i-s})},Stack.prototype.stack=function(t,e){var i,s,n,o,a=this.options;if(n=a.margin&&void 0!==a.margin.item?a.margin.item:this.defaultOptions.margin.item,o=a.margin&&void 0!==a.margin.axis?a.margin.axis:this.defaultOptions.margin.axis,e)for(i=0,s=t.length;s>i;i++)t[i].top=null;for(i=0,s=t.length;s>i;i++){var r=t[i];if(null===r.top){r.top=o;do{for(var h=null,d=0,c=t.length;c>d;d++){var l=t[d];if(null!==l.top&&l!==r&&this.collision(r,l,n)){h=l;break}}null!=h&&(r.top=h.top+h.height+n)}while(h)}}},Stack.prototype.collision=function(t,e,i){return t.left-ie.left&&t.top-ie.top},Emitter(Range.prototype),Range.prototype.setOptions=function(t){util.extend(this.options,t),null!==this.start&&null!==this.end&&this.setRange(this.start,this.end)},Range.prototype.setRange=function(t,e){var i=this._applyRange(t,e);if(i){var s={start:new Date(this.start),end:new Date(this.end)};this.emit("rangechange",s),this.emit("rangechanged",s)}},Range.prototype._applyRange=function(t,e){var i,s=null!=t?util.convert(t,"Date").valueOf():this.start,n=null!=e?util.convert(e,"Date").valueOf():this.end,o=null!=this.options.max?util.convert(this.options.max,"Date").valueOf():null,a=null!=this.options.min?util.convert(this.options.min,"Date").valueOf():null;if(isNaN(s)||null===s)throw new Error('Invalid start "'+t+'"');if(isNaN(n)||null===n)throw new Error('Invalid end "'+e+'"');if(s>n&&(n=s),null!==a&&a>s&&(i=a-s,s+=i,n+=i,null!=o&&n>o&&(n=o)),null!==o&&n>o&&(i=n-o,s-=i,n-=i,null!=a&&a>s&&(s=a)),null!==this.options.zoomMin){var r=parseFloat(this.options.zoomMin);0>r&&(r=0),r>n-s&&(this.end-this.start===r?(s=this.start,n=this.end):(i=r-(n-s),s-=i/2,n+=i/2))}if(null!==this.options.zoomMax){var h=parseFloat(this.options.zoomMax);0>h&&(h=0),n-s>h&&(this.end-this.start===h?(s=this.start,n=this.end):(i=n-s-h,s+=i/2,n-=i/2))}var d=this.start!=s||this.end!=n;return this.start=s,this.end=n,d},Range.prototype.getRange=function(){return{start:this.start,end:this.end}},Range.prototype.conversion=function(t){return Range.conversion(this.start,this.end,t)},Range.conversion=function(t,e,i){return 0!=i&&e-t!=0?{offset:t,scale:i/(e-t)}:{offset:0,scale:1}};var touchParams={};Range.prototype._onDragStart=function(){if(!touchParams.ignore){touchParams.start=this.start,touchParams.end=this.end;var t=this.parent.frame;t&&(t.style.cursor="move")}},Range.prototype._onDrag=function(t){var e=this.options.direction;if(validateDirection(e),!touchParams.ignore){var i="horizontal"==e?t.gesture.deltaX:t.gesture.deltaY,s=touchParams.end-touchParams.start,n="horizontal"==e?this.parent.width:this.parent.height,o=-i/n*s;this._applyRange(touchParams.start+o,touchParams.end+o),this.emit("rangechange",{start:new Date(this.start),end:new Date(this.end)})}},Range.prototype._onDragEnd=function(){touchParams.ignore||(this.parent.frame&&(this.parent.frame.style.cursor="auto"),this.emit("rangechanged",{start:new Date(this.start),end:new Date(this.end)}))},Range.prototype._onMouseWheel=function(t){var e=0;if(t.wheelDelta?e=t.wheelDelta/120:t.detail&&(e=-t.detail/3),e){var i;i=0>e?1-e/5:1/(1+e/5);var s=util.fakeGesture(this,t),n=getPointer(s.center,this.parent.frame),o=this._pointerToDate(n);this.zoom(i,o)}t.preventDefault()},Range.prototype._onTouch=function(t){touchParams.start=this.start,touchParams.end=this.end,touchParams.ignore=!1,touchParams.center=null;var e=ItemSet.itemFromTarget(t);e&&e.selected&&this.options.editable&&(touchParams.ignore=!0)},Range.prototype._onHold=function(){touchParams.ignore=!0},Range.prototype._onPinch=function(t){this.options.direction;if(touchParams.ignore=!0,t.gesture.touches.length>1){touchParams.center||(touchParams.center=getPointer(t.gesture.center,this.parent.frame));var e=1/t.gesture.scale,i=this._pointerToDate(touchParams.center),s=getPointer(t.gesture.center,this.parent.frame),n=(this._pointerToDate(this.parent,s),parseInt(i+(touchParams.start-i)*e)),o=parseInt(i+(touchParams.end-i)*e);this.setRange(n,o)}},Range.prototype._pointerToDate=function(t){var e,i=this.options.direction;if(validateDirection(i),"horizontal"==i){var s=this.parent.width;return e=this.conversion(s),t.x/e.scale+e.offset}var n=this.parent.height;return e=this.conversion(n),t.y/e.scale+e.offset},Range.prototype.zoom=function(t,e){null==e&&(e=(this.start+this.end)/2);var i=e+(this.start-e)*t,s=e+(this.end-e)*t;this.setRange(i,s)},Range.prototype.move=function(t){var e=this.end-this.start,i=this.start+e*t,s=this.end+e*t;this.start=i,this.end=s},Range.prototype.moveTo=function(t){var e=(this.start+this.end)/2,i=e-t,s=this.start-i,n=this.end-i;this.setRange(s,n)},Emitter(Component.prototype),Component.prototype.setOptions=function(t){t&&(util.extend(this.options,t),this.repaint())},Component.prototype.getOption=function(t){var e;return this.options&&(e=this.options[t]),void 0===e&&this.defaultOptions&&(e=this.defaultOptions[t]),e},Component.prototype.getFrame=function(){return null},Component.prototype.repaint=function(){return!1},Component.prototype._isResized=function(){var t=this._previousWidth!==this.width||this._previousHeight!==this.height;return this._previousWidth=this.width,this._previousHeight=this.height,t},Panel.prototype=new Component,Panel.prototype.setOptions=Component.prototype.setOptions,Panel.prototype.getFrame=function(){return this.frame},Panel.prototype.appendChild=function(t){this.childs.push(t),t.parent=this;var e=t.getFrame();e&&(e.parentNode&&e.parentNode.removeChild(e),this.frame.appendChild(e))},Panel.prototype.insertBefore=function(t,e){var i=this.childs.indexOf(e);if(-1!=i){this.childs.splice(i,0,t),t.parent=this;var s=t.getFrame();if(s){s.parentNode&&s.parentNode.removeChild(s);var n=e.getFrame();n?this.frame.insertBefore(s,n):this.frame.appendChild(s)}}},Panel.prototype.removeChild=function(t){var e=this.childs.indexOf(t);if(-1!=e){this.childs.splice(e,1),t.parent=null;var i=t.getFrame();i&&i.parentNode&&this.frame.removeChild(i)}},Panel.prototype.hasChild=function(t){var e=this.childs.indexOf(t);return-1!=e},Panel.prototype.repaint=function(){var t=util.option.asString,e=this.options,i=this.getFrame();i.className="vpanel"+(e.className?" "+t(e.className):"");var s=this._repaintChilds();return this._updateSize(),this._isResized()||s},Panel.prototype._repaintChilds=function(){for(var t=!1,e=0,i=this.childs.length;i>e;e++)t=this.childs[e].repaint()||t;return t},Panel.prototype._updateSize=function(){this.frame.style.top=util.option.asSize(this.options.top),this.frame.style.bottom=util.option.asSize(this.options.bottom),this.frame.style.left=util.option.asSize(this.options.left),this.frame.style.right=util.option.asSize(this.options.right),this.frame.style.width=util.option.asSize(this.options.width,"100%"),this.frame.style.height=util.option.asSize(this.options.height,""),this.top=this.frame.offsetTop,this.left=this.frame.offsetLeft,this.width=this.frame.offsetWidth,this.height=this.frame.offsetHeight},RootPanel.prototype=new Panel,RootPanel.prototype._create=function(){this.frame=document.createElement("div"),this.hammer=Hammer(this.frame,{prevent_default:!0}),this.listeners={};var t=this,e=["touch","pinch","tap","doubletap","hold","dragstart","drag","dragend","mousewheel","DOMMouseScroll"];e.forEach(function(e){var i=function(){var i=[e].concat(Array.prototype.slice.call(arguments,0));t.emit.apply(t,i)};t.hammer.on(e,i),t.listeners[e]=i})},RootPanel.prototype.setOptions=function(t){t&&(util.extend(this.options,t),this.repaint(),this._initWatch())},RootPanel.prototype.getFrame=function(){return this.frame},RootPanel.prototype.repaint=function(){var t=this.options,e="vis timeline rootpanel "+t.orientation+(t.editable?" editable":"");t.className&&(e+=" "+util.option.asString(e)),this.frame.className=e;var i=this._repaintChilds();this.frame.style.maxHeight=util.option.asSize(this.options.maxHeight,""),this._updateSize();var s=this._isResized()||i;s&&setTimeout(this.repaint.bind(this),0)},RootPanel.prototype._initWatch=function(){var t=this.getOption("autoResize");t?this._watch():this._unwatch()},RootPanel.prototype._watch=function(){var t=this;this._unwatch();var e=function(){var e=t.getOption("autoResize");return e?void(t.frame&&(t.frame.clientWidth!=t.lastWidth||t.frame.clientHeight!=t.lastHeight)&&(t.lastWidth=t.frame.clientWidth,t.lastHeight=t.frame.clientHeight,t.repaint())):void t._unwatch()};util.addEventListener(window,"resize",e),this.watchTimer=setInterval(e,1e3)},RootPanel.prototype._unwatch=function(){this.watchTimer&&(clearInterval(this.watchTimer),this.watchTimer=void 0)},TimeAxis.prototype=new Component,TimeAxis.prototype.setOptions=Component.prototype.setOptions,TimeAxis.prototype._create=function(){this.frame=document.createElement("div")},TimeAxis.prototype.setRange=function(t){if(!(t instanceof Range||t&&t.start&&t.end))throw new TypeError("Range must be an instance of Range, or an object containing start and end.");this.range=t},TimeAxis.prototype.getFrame=function(){return this.frame},TimeAxis.prototype.repaint=function(){var t=util.option.asSize,e=this.options,i=this.props,s=this.frame;s.className="timeaxis";var n=s.parentNode;if(n){this._calculateCharSize();var o=this.getOption("orientation"),a=this.getOption("showMinorLabels"),r=this.getOption("showMajorLabels"),h=this.parent.height;i.minorLabelHeight=a?i.minorCharHeight:0,i.majorLabelHeight=r?i.majorCharHeight:0,this.height=i.minorLabelHeight+i.majorLabelHeight,this.width=s.offsetWidth,i.minorLineHeight=h+i.minorLabelHeight,i.minorLineWidth=1,i.majorLineHeight=h+this.height,i.majorLineWidth=1;var d=s.nextSibling;n.removeChild(s),"top"==o?(s.style.top="0",s.style.left="0",s.style.bottom="",s.style.width=t(e.width,"100%"),s.style.height=this.height+"px"):(s.style.top="",s.style.bottom="0",s.style.left="0",s.style.width=t(e.width,"100%"),s.style.height=this.height+"px"),this._repaintLabels(),this._repaintLine(),d?n.insertBefore(s,d):n.appendChild(s) +}return this._isResized()},TimeAxis.prototype._repaintLabels=function(){var t=this.getOption("orientation"),e=util.convert(this.range.start,"Number"),i=util.convert(this.range.end,"Number"),s=this.options.toTime(5*(this.props.minorCharWidth||10)).valueOf()-this.options.toTime(0).valueOf(),n=new TimeStep(new Date(e),new Date(i),s);this.step=n;var o=this.dom;o.redundant.majorLines=o.majorLines,o.redundant.majorTexts=o.majorTexts,o.redundant.minorLines=o.minorLines,o.redundant.minorTexts=o.minorTexts,o.majorLines=[],o.majorTexts=[],o.minorLines=[],o.minorTexts=[],n.first();for(var a=void 0,r=0;n.hasNext()&&1e3>r;){r++;var h=n.getCurrent(),d=this.options.toScreen(h),c=n.isMajor();this.getOption("showMinorLabels")&&this._repaintMinorText(d,n.getLabelMinor(),t),c&&this.getOption("showMajorLabels")?(d>0&&(void 0==a&&(a=d),this._repaintMajorText(d,n.getLabelMajor(),t)),this._repaintMajorLine(d,t)):this._repaintMinorLine(d,t),n.next()}if(this.getOption("showMajorLabels")){var l=this.options.toTime(0),u=n.getLabelMajor(l),p=u.length*(this.props.majorCharWidth||10)+10;(void 0==a||a>p)&&this._repaintMajorText(0,u,t)}util.forEach(this.dom.redundant,function(t){for(;t.length;){var e=t.pop();e&&e.parentNode&&e.parentNode.removeChild(e)}})},TimeAxis.prototype._repaintMinorText=function(t,e,i){var s=this.dom.redundant.minorTexts.shift();if(!s){var n=document.createTextNode("");s=document.createElement("div"),s.appendChild(n),s.className="text minor",this.frame.appendChild(s)}this.dom.minorTexts.push(s),s.childNodes[0].nodeValue=e,"top"==i?(s.style.top=this.props.majorLabelHeight+"px",s.style.bottom=""):(s.style.top="",s.style.bottom=this.props.majorLabelHeight+"px"),s.style.left=t+"px"},TimeAxis.prototype._repaintMajorText=function(t,e,i){var s=this.dom.redundant.majorTexts.shift();if(!s){var n=document.createTextNode(e);s=document.createElement("div"),s.className="text major",s.appendChild(n),this.frame.appendChild(s)}this.dom.majorTexts.push(s),s.childNodes[0].nodeValue=e,"top"==i?(s.style.top="0px",s.style.bottom=""):(s.style.top="",s.style.bottom="0px"),s.style.left=t+"px"},TimeAxis.prototype._repaintMinorLine=function(t,e){var i=this.dom.redundant.minorLines.shift();i||(i=document.createElement("div"),i.className="grid vertical minor",this.frame.appendChild(i)),this.dom.minorLines.push(i);var s=this.props;"top"==e?(i.style.top=this.props.majorLabelHeight+"px",i.style.bottom=""):(i.style.top="",i.style.bottom=this.props.majorLabelHeight+"px"),i.style.height=s.minorLineHeight+"px",i.style.left=t-s.minorLineWidth/2+"px"},TimeAxis.prototype._repaintMajorLine=function(t,e){var i=this.dom.redundant.majorLines.shift();i||(i=document.createElement("DIV"),i.className="grid vertical major",this.frame.appendChild(i)),this.dom.majorLines.push(i);var s=this.props;"top"==e?(i.style.top="0px",i.style.bottom=""):(i.style.top="",i.style.bottom="0px"),i.style.left=t-s.majorLineWidth/2+"px",i.style.height=s.majorLineHeight+"px"},TimeAxis.prototype._repaintLine=function(){var t=this.dom.line,e=this.frame,i=this.getOption("orientation");this.getOption("showMinorLabels")||this.getOption("showMajorLabels")?(t?(e.removeChild(t),e.appendChild(t)):(t=document.createElement("div"),t.className="grid horizontal major",e.appendChild(t),this.dom.line=t),"top"==i?(t.style.top=this.height+"px",t.style.bottom=""):(t.style.top="",t.style.bottom=this.height+"px")):t&&t.parentNode&&(t.parentNode.removeChild(t),delete this.dom.line)},TimeAxis.prototype._calculateCharSize=function(){if(!("minorCharHeight"in this.props)){var t=document.createTextNode("0"),e=document.createElement("DIV");e.className="text minor measure",e.appendChild(t),this.frame.appendChild(e),this.props.minorCharHeight=e.clientHeight,this.props.minorCharWidth=e.clientWidth,this.frame.removeChild(e)}if(!("majorCharHeight"in this.props)){var i=document.createTextNode("0"),s=document.createElement("DIV");s.className="text major measure",s.appendChild(i),this.frame.appendChild(s),this.props.majorCharHeight=s.clientHeight,this.props.majorCharWidth=s.clientWidth,this.frame.removeChild(s)}},TimeAxis.prototype.snap=function(t){return this.step.snap(t)},CurrentTime.prototype=new Component,CurrentTime.prototype.setOptions=Component.prototype.setOptions,CurrentTime.prototype._create=function(){var t=document.createElement("div");t.className="currenttime",t.style.position="absolute",t.style.top="0px",t.style.height="100%",this.bar=t},CurrentTime.prototype.getFrame=function(){return this.bar},CurrentTime.prototype.repaint=function(){var t=(this.parent,new Date),e=this.options.toScreen(t);return this.bar.style.left=e+"px",this.bar.title="Current time: "+t,!1},CurrentTime.prototype.start=function(){function t(){e.stop();var i=e.range.conversion(e.parent.width).scale,s=1/i/10;30>s&&(s=30),s>1e3&&(s=1e3),e.repaint(),e.currentTimeTimer=setTimeout(t,s)}var e=this;t()},CurrentTime.prototype.stop=function(){void 0!==this.currentTimeTimer&&(clearTimeout(this.currentTimeTimer),delete this.currentTimeTimer)},CustomTime.prototype=new Component,CustomTime.prototype.setOptions=Component.prototype.setOptions,CustomTime.prototype._create=function(){var t=document.createElement("div");t.className="customtime",t.style.position="absolute",t.style.top="0px",t.style.height="100%",this.bar=t;var e=document.createElement("div");e.style.position="relative",e.style.top="0px",e.style.left="-10px",e.style.height="100%",e.style.width="20px",t.appendChild(e),this.hammer=Hammer(t,{prevent_default:!0}),this.hammer.on("dragstart",this._onDragStart.bind(this)),this.hammer.on("drag",this._onDrag.bind(this)),this.hammer.on("dragend",this._onDragEnd.bind(this))},CustomTime.prototype.getFrame=function(){return this.bar},CustomTime.prototype.repaint=function(){var t=this.options.toScreen(this.customTime);return this.bar.style.left=t+"px",this.bar.title="Time: "+this.customTime,!1},CustomTime.prototype.setCustomTime=function(t){this.customTime=new Date(t.valueOf()),this.repaint()},CustomTime.prototype.getCustomTime=function(){return new Date(this.customTime.valueOf())},CustomTime.prototype._onDragStart=function(t){this.eventParams.dragging=!0,this.eventParams.customTime=this.customTime,t.stopPropagation(),t.preventDefault()},CustomTime.prototype._onDrag=function(t){if(this.eventParams.dragging){var e=t.gesture.deltaX,i=this.options.toScreen(this.eventParams.customTime)+e,s=this.options.toTime(i);this.setCustomTime(s),this.emit("timechange",{time:new Date(this.customTime.valueOf())}),t.stopPropagation(),t.preventDefault()}},CustomTime.prototype._onDragEnd=function(t){this.eventParams.dragging&&(this.emit("timechanged",{time:new Date(this.customTime.valueOf())}),t.stopPropagation(),t.preventDefault())},ItemSet.prototype=new Panel,ItemSet.types={box:ItemBox,range:ItemRange,rangeoverflow:ItemRangeOverflow,point:ItemPoint},ItemSet.prototype._create=function(){var t=document.createElement("div");t["timeline-itemset"]=this,this.frame=t;var e=document.createElement("div");e.className="background",this.backgroundPanel.frame.appendChild(e),this.dom.background=e;var i=document.createElement("div");i.className="foreground",t.appendChild(i),this.dom.foreground=i;var s=document.createElement("div");s.className="axis",this.dom.axis=s,this.axisPanel.frame.appendChild(s),this.hammer=Hammer(t,{prevent_default:!0}),this.hammer.on("dragstart",this._onDragStart.bind(this)),this.hammer.on("drag",this._onDrag.bind(this)),this.hammer.on("dragend",this._onDragEnd.bind(this))},ItemSet.prototype.setOptions=Component.prototype.setOptions,ItemSet.prototype.hide=function(){this.dom.axis.parentNode&&this.dom.axis.parentNode.removeChild(this.dom.axis),this.dom.background.parentNode&&this.dom.background.parentNode.removeChild(this.dom.background)},ItemSet.prototype.show=function(){this.dom.axis.parentNode||this.axisPanel.frame.appendChild(this.dom.axis),this.dom.background.parentNode||this.backgroundPanel.frame.appendChild(this.dom.background)},ItemSet.prototype.setRange=function(t){if(!(t instanceof Range||t&&t.start&&t.end))throw new TypeError("Range must be an instance of Range, or an object containing start and end.");this.range=t},ItemSet.prototype.setSelection=function(t){var e,i,s,n;if(t){if(!Array.isArray(t))throw new TypeError("Array expected");for(e=0,i=this.selection.length;i>e;e++)s=this.selection[e],n=this.items[s],n&&n.unselect();for(this.selection=[],e=0,i=t.length;i>e;e++)s=t[e],n=this.items[s],n&&(this.selection.push(s),n.select())}},ItemSet.prototype.getSelection=function(){return this.selection.concat([])},ItemSet.prototype._deselect=function(t){for(var e=this.selection,i=0,s=e.length;s>i;i++)if(e[i]==t){e.splice(i,1);break}},ItemSet.prototype.getFrame=function(){return this.frame},ItemSet.prototype.repaint=function(){var t=util.option.asSize,e=util.option.asString,i=this.options,s=this.getOption("orientation"),n=this.frame;n.className="itemset"+(i.className?" "+e(i.className):"");var o=this.range.end-this.range.start,a=o!=this.lastVisibleInterval||this.width!=this.lastWidth;this.lastVisibleInterval=o,this.lastWidth=this.width,this.visibleItems=[];for(var r in this.items)if(this.items.hasOwnProperty(r)){var h=this.items[r];h.isVisible(this.range)?(h.displayed||h.show(),h.repositionX(),this.visibleItems.push(h)):h.displayed&&h.hide()}var d=this.stackDirty||a;this.stack.stack(this.visibleItems,d),this.stackDirty=!1;for(var c=0,l=this.visibleItems.length;l>c;c++)this.visibleItems[c].repositionY();var u,p=i.margin&&"axis"in i.margin?i.margin.axis:this.itemOptions.margin.axis,g=i.margin&&"item"in i.margin?i.margin.item:this.itemOptions.margin.item,m=this.visibleItems;if(m.length){var f=m[0].top,v=m[0].top+m[0].height;util.forEach(m,function(t){f=Math.min(f,t.top),v=Math.max(v,t.top+t.height)}),u=v-f+p+g}else u=p+g;return n.style.left=t(i.left,""),n.style.right=t(i.right,""),n.style.top=t("top"==s?"0":""),n.style.bottom=t("top"==s?"":"0"),n.style.width=t(i.width,"100%"),n.style.height=t(u),this.top=n.offsetTop,this.left=n.offsetLeft,this.width=n.offsetWidth,this.height=u,this.dom.axis.style.left=t(i.left,"0"),this.dom.axis.style.right=t(i.right,""),this.dom.axis.style.width=t(i.width,"100%"),this.dom.axis.style.height=t(0),this.dom.axis.style.top=t("top"==s?"0":""),this.dom.axis.style.bottom=t("top"==s?"":"0"),this._isResized()},ItemSet.prototype.getForeground=function(){return this.dom.foreground},ItemSet.prototype.getBackground=function(){return this.dom.background},ItemSet.prototype.getAxis=function(){return this.dom.axis},ItemSet.prototype.setItems=function(t){var e,i=this,s=this.itemsData;if(t){if(!(t instanceof DataSet||t instanceof DataView))throw new TypeError("Data must be an instance of DataSet");this.itemsData=t}else this.itemsData=null;if(s&&(util.forEach(this.listeners,function(t,e){s.unsubscribe(e,t)}),e=s.getIds(),this._onRemove(e)),this.itemsData){var n=this.id;util.forEach(this.listeners,function(t,e){i.itemsData.on(e,t,n)}),e=this.itemsData.getIds(),this._onAdd(e)}},ItemSet.prototype.getItems=function(){return this.itemsData},ItemSet.prototype.removeItem=function(t){var e=this.itemsData.get(t),i=this._myDataSet();e&&this.options.onRemove(e,function(e){e&&i.remove(t)})},ItemSet.prototype._onUpdate=function(t){var e=this,i=this.items,s=this.itemOptions;t.forEach(function(t){var n=e.itemsData.get(t),o=i[t],a=n.type||n.start&&n.end&&"range"||e.options.type||"box",r=ItemSet.types[a];if(o&&(r&&o instanceof r?o.data=n:(o.hide(),o=null)),!o){if(!r)throw new TypeError('Unknown item type "'+a+'"');o=new r(e,n,e.options,s),o.id=t}e.items[t]=o}),this._order(),this.stackDirty=!0,this.emit("change")},ItemSet.prototype._onAdd=ItemSet.prototype._onUpdate,ItemSet.prototype._onRemove=function(t){var e=0,i=this;t.forEach(function(t){var s=i.items[t];if(s){e++,s.hide(),delete i.items[t],delete i.visibleItems[t];var n=i.selection.indexOf(t);-1!=n&&i.selection.splice(n,1)}}),e&&(this._order(),this.stackDirty=!0,this.emit("change"))},ItemSet.prototype._order=function(){var t=util.toArray(this.items);this.orderedItems.byStart=t,this.orderedItems.byEnd=[].concat(t),this.stack.orderByStart(this.orderedItems.byStart),this.stack.orderByEnd(this.orderedItems.byEnd)},ItemSet.prototype._onDragStart=function(t){if(this.options.editable){var e=ItemSet.itemFromTarget(t),i=this;if(e&&e.selected){var s=t.target.dragLeftItem,n=t.target.dragRightItem;this.touchParams.itemProps=s?[{item:s,start:e.data.start.valueOf()}]:n?[{item:n,end:e.data.end.valueOf()}]:this.getSelection().map(function(t){var e=i.items[t],s={item:e};return"start"in e.data&&(s.start=e.data.start.valueOf()),"end"in e.data&&(s.end=e.data.end.valueOf()),s}),t.stopPropagation()}}},ItemSet.prototype._onDrag=function(t){if(this.touchParams.itemProps){var e=this.options.snap||null,i=t.gesture.deltaX,s=this.width/(this.range.end-this.range.start),n=i/s;this.touchParams.itemProps.forEach(function(t){if("start"in t){var i=new Date(t.start+n);t.item.data.start=e?e(i):i}if("end"in t){var s=new Date(t.end+n);t.item.data.end=e?e(s):s}}),this.stackDirty=!0,this.emit("change"),t.stopPropagation()}},ItemSet.prototype._onDragEnd=function(t){if(this.touchParams.itemProps){var e=[],i=this,s=this._myDataSet();this.touchParams.itemProps.forEach(function(t){var n=t.item.id,o=i.itemsData.get(n),a=!1;"start"in t.item.data&&(a=t.start!=t.item.data.start.valueOf(),o.start=util.convert(t.item.data.start,s.convert.start)),"end"in t.item.data&&(a=a||t.end!=t.item.data.end.valueOf(),o.end=util.convert(t.item.data.end,s.convert.end)),a&&i.options.onMove(o,function(i){i?(i[s.fieldId]=n,e.push(i)):("start"in t&&(t.item.data.start=t.start),"end"in t&&(t.item.data.end=t.end),this.stackDirty=!0,this.emit("change"))})}),this.touchParams.itemProps=null,e.length&&s.update(e),t.stopPropagation()}},ItemSet.itemFromTarget=function(t){for(var e=t.target;e;){if(e.hasOwnProperty("timeline-item"))return e["timeline-item"];e=e.parentNode}return null},ItemSet.itemSetFromTarget=function(t){for(var e=t.target;e;){if(e.hasOwnProperty("timeline-itemset"))return e["timeline-itemset"];e=e.parentNode}return null},ItemSet.prototype._myDataSet=function(){for(var t=this.itemsData;t instanceof DataView;)t=t.data;return t},Item.prototype.select=function(){this.selected=!0,this.displayed&&this.repaint()},Item.prototype.unselect=function(){this.selected=!1,this.displayed&&this.repaint()},Item.prototype.show=function(){return!1},Item.prototype.hide=function(){return!1},Item.prototype.repaint=function(){},Item.prototype.repositionX=function(){},Item.prototype.repositionY=function(){},Item.prototype._repaintDeleteButton=function(t){if(this.selected&&this.options.editable&&!this.dom.deleteButton){var e=this.parent,i=this.id,s=document.createElement("div");s.className="delete",s.title="Delete this item",Hammer(s,{preventDefault:!0}).on("tap",function(t){e.removeItem(i),t.stopPropagation()}),t.appendChild(s),this.dom.deleteButton=s}else!this.selected&&this.dom.deleteButton&&(this.dom.deleteButton.parentNode&&this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton),this.dom.deleteButton=null)},ItemBox.prototype=new Item(null,null),ItemBox.prototype.isVisible=function(t){var e=(t.end-t.start)/4;return this.data.start>t.start-e&&this.data.startt.start-e&&this.data.startt.start},ItemRange.prototype.repaint=function(){var t=this.dom;if(t||(this.dom={},t=this.dom,t.box=document.createElement("div"),t.content=document.createElement("div"),t.content.className="content",t.box.appendChild(t.content),t.box["timeline-item"]=this),!this.parent)throw new Error("Cannot repaint item: no parent attached");if(!t.box.parentNode){var e=this.parent.getForeground();if(!e)throw new Error("Cannot repaint time axis: parent has no foreground container element");e.appendChild(t.box)}if(this.displayed=!0,this.data.content!=this.content){if(this.content=this.data.content,this.content instanceof Element)t.content.innerHTML="",t.content.appendChild(this.content);else{if(void 0==this.data.content)throw new Error('Property "content" missing in item '+this.data.id);t.content.innerHTML=this.content}this.dirty=!0}var i=(this.data.className?" "+this.data.className:"")+(this.selected?" selected":"");this.className!=i&&(this.className=i,t.box.className=this.baseClassName+i,this.dirty=!0),this.dirty&&(this.props.content.width=this.dom.content.offsetWidth,this.height=this.dom.box.offsetHeight,this.dirty=!1),this._repaintDeleteButton(t.box),this._repaintDragLeft(),this._repaintDragRight()},ItemRange.prototype.show=function(){this.displayed||this.repaint()},ItemRange.prototype.hide=function(){if(this.displayed){var t=this.dom.box;t.parentNode&&t.parentNode.removeChild(t),this.top=null,this.left=null,this.displayed=!1}},ItemRange.prototype.repositionX=function(){var t,e=this.props,i=this.parent.width,s=this.defaultOptions.toScreen(this.data.start),n=this.defaultOptions.toScreen(this.data.end),o="padding"in this.options?this.options.padding:this.defaultOptions.padding;-i>s&&(s=-i),n>2*i&&(n=2*i),t=0>s?Math.min(-s,n-s-e.content.width-2*o):0,this.left=s,this.width=Math.max(n-s,1),this.dom.box.style.left=this.left+"px",this.dom.box.style.width=this.width+"px",this.dom.content.style.left=t+"px"},ItemRange.prototype.repositionY=function(){var t=this.options.orientation||this.defaultOptions.orientation,e=this.dom.box;"top"==t?(e.style.top=this.top+"px",e.style.bottom=""):(e.style.top="",e.style.bottom=this.top+"px")},ItemRange.prototype._repaintDragLeft=function(){if(this.selected&&this.options.editable&&!this.dom.dragLeft){var t=document.createElement("div");t.className="drag-left",t.dragLeftItem=this,Hammer(t,{preventDefault:!0}).on("drag",function(){}),this.dom.box.appendChild(t),this.dom.dragLeft=t}else!this.selected&&this.dom.dragLeft&&(this.dom.dragLeft.parentNode&&this.dom.dragLeft.parentNode.removeChild(this.dom.dragLeft),this.dom.dragLeft=null)},ItemRange.prototype._repaintDragRight=function(){if(this.selected&&this.options.editable&&!this.dom.dragRight){var t=document.createElement("div");t.className="drag-right",t.dragRightItem=this,Hammer(t,{preventDefault:!0}).on("drag",function(){}),this.dom.box.appendChild(t),this.dom.dragRight=t}else!this.selected&&this.dom.dragRight&&(this.dom.dragRight.parentNode&&this.dom.dragRight.parentNode.removeChild(this.dom.dragRight),this.dom.dragRight=null)},ItemRangeOverflow.prototype=new ItemRange(null,null),ItemRangeOverflow.prototype.baseClassName="item rangeoverflow",ItemRangeOverflow.prototype.repositionX=function(){{var t,e=this.parent.width,i=this.defaultOptions.toScreen(this.data.start),s=this.defaultOptions.toScreen(this.data.end);"padding"in this.options?this.options.padding:this.defaultOptions.padding}-e>i&&(i=-e),s>2*e&&(s=2*e),t=Math.max(-i,0),this.left=i;var n=Math.max(s-i,1);this.width=this.props.content.width=a&&(a=864e5),n=new Date(n.valueOf()-.05*a),o=new Date(o.valueOf()+.05*a)}void 0!=this.options.start&&(n=util.convert(this.options.start,"Date")),void 0!=this.options.end&&(o=util.convert(this.options.end,"Date")),(null!=n||null!=o)&&this.range.setRange(n,o)}},Timeline.prototype.setGroups=function(t){var e=this;this.groupsData=t;var i=util.extend(Object.create(this.options),{top:null,bottom:null,right:null,left:null,width:null,height:null});this.groupsData?(this.itemSet&&(this.itemSet.hide(),this.contentPanel.removeChild(this.itemSet),this.itemSet.setItems(),this.itemSet=null),this.groupSet?this.groupSet.setGroups(this.groupsData):(this.groupSet=new GroupSet(this.contentPanel,this.sideContentPanel,this.backgroundPanel,this.axisPanel,i),this.groupSet.on("change",this.rootPanel.repaint.bind(this.rootPanel)),this.groupSet.setRange(this.range),this.groupSet.setItems(this.itemsData),this.groupSet.setGroups(this.groupsData),this.contentPanel.appendChild(this.groupSet))):(this.groupSet&&(this.groupSet.hide(),this.groupSet.setItems(),this.contentPanel.removeChild(this.groupSet),this.groupSet=null),this.itemSet=new ItemSet(this.backgroundPanel,this.axisPanel,i),this.itemSet.setRange(this.range),this.itemSet.setItems(this.itemsData),this.itemSet.on("change",e.rootPanel.repaint.bind(e.rootPanel)),this.contentPanel.appendChild(this.itemSet))},Timeline.prototype.getItemRange=function(){var t=this.itemsData,e=null,i=null;if(t){var s=t.min("start");e=s?s.start.valueOf():null;var n=t.max("start");n&&(i=n.start.valueOf());var o=t.max("end");o&&(i=null==i?o.end.valueOf():Math.max(i,o.end.valueOf()))}return{min:null!=e?new Date(e):null,max:null!=i?new Date(i):null}},Timeline.prototype.setSelection=function(t){var e=this.itemSet||this.groupSet;e&&e.setSelection(t)},Timeline.prototype.getSelection=function(){var t=this.itemSet||this.groupSet;return t?t.getSelection():[]},Timeline.prototype.setWindow=function(t,e){this.range.setRange(t,e)},Timeline.prototype.getWindow=function(){var t=this.range.getRange();return{start:new Date(t.start),end:new Date(t.end)}},Timeline.prototype._onSelectItem=function(t){if(this.options.selectable){var e=t.gesture.srcEvent&&t.gesture.srcEvent.ctrlKey,i=t.gesture.srcEvent&&t.gesture.srcEvent.shiftKey;if(e||i)return void this._onMultiSelectItem(t);var s=this.getSelection(),n=ItemSet.itemFromTarget(t),o=n?[n.id]:[];this.setSelection(o);var a=this.getSelection();util.equalArray(s,a)||this.emit("select",{items:this.getSelection()}),t.stopPropagation()}},Timeline.prototype._onAddItem=function(t){if(this.options.selectable&&this.options.editable){var e=this,i=ItemSet.itemFromTarget(t);if(i){var s=e.itemsData.get(i.id);this.options.onUpdate(s,function(t){t&&e.itemsData.update(t)})}else{var n=vis.util.getAbsoluteLeft(this.rootPanel.frame),o=t.gesture.center.pageX-n,a={start:this.timeAxis.snap(this._toTime(o)),content:"new item"},r=util.randomUUID();a[this.itemsData.fieldId]=r;var h=GroupSet.groupFromTarget(t);h&&(a.group=h.groupId),this.options.onAdd(a,function(t){t&&e.itemsData.add(a)})}}},Timeline.prototype._onMultiSelectItem=function(t){if(this.options.selectable){var e,i=ItemSet.itemFromTarget(t);if(i){e=this.getSelection();var s=e.indexOf(i.id);-1==s?e.push(i.id):e.splice(s,1),this.setSelection(e),this.emit("select",{items:this.getSelection()}),t.stopPropagation()}}},Timeline.prototype._toTime=function(t){var e=this.range.conversion(this.mainPanel.width);return new Date(t/e.scale+e.offset)},Timeline.prototype._toScreen=function(t){var e=this.range.conversion(this.mainPanel.width);return(t.valueOf()-e.offset)*e.scale},function(t){function e(t){return D=t,u()}function i(){C=0,I=D.charAt(0)}function s(){C++,I=D.charAt(C)}function n(){return D.charAt(C+1)}function o(t){return O.test(t)}function a(t,e){if(t||(t={}),e)for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i]);return t}function r(t,e,i){for(var s=e.split("."),n=t;s.length;){var o=s.shift();s.length?(n[o]||(n[o]={}),n=n[o]):n[o]=i}}function h(t,e){for(var i,s,n=null,o=[t],r=t;r.parent;)o.push(r.parent),r=r.parent;if(r.nodes)for(i=0,s=r.nodes.length;s>i;i++)if(e.id===r.nodes[i].id){n=r.nodes[i];break}for(n||(n={id:e.id},t.node&&(n.attr=a(n.attr,t.node))),i=o.length-1;i>=0;i--){var h=o[i];h.nodes||(h.nodes=[]),-1==h.nodes.indexOf(n)&&h.nodes.push(n)}e.attr&&(n.attr=a(n.attr,e.attr))}function d(t,e){if(t.edges||(t.edges=[]),t.edges.push(e),t.edge){var i=a({},t.edge);e.attr=a(i,e.attr)}}function c(t,e,i,s,n){var o={from:e,to:i,type:s};return t.edge&&(o.attr=a({},t.edge)),o.attr=a(o.attr||{},n),o}function l(){for(N=E.NULL,M="";" "==I||" "==I||"\n"==I||"\r"==I;)s();do{var t=!1;if("#"==I){for(var e=C-1;" "==D.charAt(e)||" "==D.charAt(e);)e--;if("\n"==D.charAt(e)||""==D.charAt(e)){for(;""!=I&&"\n"!=I;)s();t=!0}}if("/"==I&&"/"==n()){for(;""!=I&&"\n"!=I;)s();t=!0}if("/"==I&&"*"==n()){for(;""!=I;){if("*"==I&&"/"==n()){s(),s();break}s()}t=!0}for(;" "==I||" "==I||"\n"==I||"\r"==I;)s()}while(t);if(""==I)return void(N=E.DELIMITER);var i=I+n();if(T[i])return N=E.DELIMITER,M=i,s(),void s();if(T[I])return N=E.DELIMITER,M=I,void s();if(o(I)||"-"==I){for(M+=I,s();o(I);)M+=I,s();return"false"==M?M=!1:"true"==M?M=!0:isNaN(Number(M))||(M=Number(M)),void(N=E.IDENTIFIER)}if('"'==I){for(s();""!=I&&('"'!=I||'"'==I&&'"'==n());)M+=I,'"'==I&&s(),s();if('"'!=I)throw b('End of string " expected');return s(),void(N=E.IDENTIFIER)}for(N=E.UNKNOWN;""!=I;)M+=I,s();throw new SyntaxError('Syntax error in part "'+S(M,30)+'"')}function u(){var t={};if(i(),l(),"strict"==M&&(t.strict=!0,l()),("graph"==M||"digraph"==M)&&(t.type=M,l()),N==E.IDENTIFIER&&(t.id=M,l()),"{"!=M)throw b("Angle bracket { expected");if(l(),p(t),"}"!=M)throw b("Angle bracket } expected");if(l(),""!==M)throw b("End of file expected");return l(),delete t.node,delete t.edge,delete t.graph,t}function p(t){for(;""!==M&&"}"!=M;)g(t),";"==M&&l()}function g(t){var e=m(t);if(e)return void y(t,e);var i=f(t);if(!i){if(N!=E.IDENTIFIER)throw b("Identifier expected");var s=M;if(l(),"="==M){if(l(),N!=E.IDENTIFIER)throw b("Identifier expected");t[s]=M,l()}else v(t,s)}}function m(t){var e=null;if("subgraph"==M&&(e={},e.type="subgraph",l(),N==E.IDENTIFIER&&(e.id=M,l())),"{"==M){if(l(),e||(e={}),e.parent=t,e.node=t.node,e.edge=t.edge,e.graph=t.graph,p(e),"}"!=M)throw b("Angle bracket } expected");l(),delete e.node,delete e.edge,delete e.graph,delete e.parent,t.subgraphs||(t.subgraphs=[]),t.subgraphs.push(e)}return e}function f(t){return"node"==M?(l(),t.node=_(),"node"):"edge"==M?(l(),t.edge=_(),"edge"):"graph"==M?(l(),t.graph=_(),"graph"):null}function v(t,e){var i={id:e},s=_();s&&(i.attr=s),h(t,i),y(t,e)}function y(t,e){for(;"->"==M||"--"==M;){var i,s=M;l();var n=m(t);if(n)i=n;else{if(N!=E.IDENTIFIER)throw b("Identifier or subgraph expected");i=M,h(t,{id:i}),l()}var o=_(),a=c(t,e,i,s,o);d(t,a),e=i}}function _(){for(var t=null;"["==M;){for(l(),t={};""!==M&&"]"!=M;){if(N!=E.IDENTIFIER)throw b("Attribute name expected");var e=M;if(l(),"="!=M)throw b("Equal sign = expected");if(l(),N!=E.IDENTIFIER)throw b("Attribute value expected");var i=M;r(t,e,i),l(),","==M&&l()}if("]"!=M)throw b("Bracket ] expected");l()}return t}function b(t){return new SyntaxError(t+', got "'+S(M,30)+'" (char '+C+")")}function S(t,e){return t.length<=e?t:t.substr(0,27)+"..."}function w(t,e,i){t instanceof Array?t.forEach(function(t){e instanceof Array?e.forEach(function(e){i(t,e)}):i(t,e)}):e instanceof Array?e.forEach(function(e){i(t,e)}):i(t,e)}function x(t){function i(t){var e={from:t.from,to:t.to};return a(e,t.attr),e.style="->"==t.type?"arrow":"line",e}var s=e(t),n={nodes:[],edges:[],options:{}};return s.nodes&&s.nodes.forEach(function(t){var e={id:t.id,label:String(t.label||t.id)};a(e,t.attr),e.image&&(e.shape="image"),n.nodes.push(e)}),s.edges&&s.edges.forEach(function(t){var e,s;e=t.from instanceof Object?t.from.nodes:{id:t.from},s=t.to instanceof Object?t.to.nodes:{id:t.to},t.from instanceof Object&&t.from.edges&&t.from.edges.forEach(function(t){var e=i(t);n.edges.push(e)}),w(e,s,function(e,s){var o=c(n,e.id,s.id,t.type,t.attr),a=i(o);n.edges.push(a)}),t.to instanceof Object&&t.to.edges&&t.to.edges.forEach(function(t){var e=i(t);n.edges.push(e)})}),s.attr&&(n.options=s.attr),n}var E={NULL:0,DELIMITER:1,IDENTIFIER:2,UNKNOWN:3},T={"{":!0,"}":!0,"[":!0,"]":!0,";":!0,"=":!0,",":!0,"->":!0,"--":!0},D="",C=0,I="",M="",N=E.NULL,O=/[a-zA-Z_0-9.:#]/;t.parseDOT=e,t.DOTToGraph=x}("undefined"!=typeof util?util:exports),"undefined"!=typeof CanvasRenderingContext2D&&(CanvasRenderingContext2D.prototype.circle=function(t,e,i){this.beginPath(),this.arc(t,e,i,0,2*Math.PI,!1)},CanvasRenderingContext2D.prototype.square=function(t,e,i){this.beginPath(),this.rect(t-i,e-i,2*i,2*i)},CanvasRenderingContext2D.prototype.triangle=function(t,e,i){this.beginPath();var s=2*i,n=s/2,o=Math.sqrt(3)/6*s,a=Math.sqrt(s*s-n*n);this.moveTo(t,e-(a-o)),this.lineTo(t+n,e+o),this.lineTo(t-n,e+o),this.lineTo(t,e-(a-o)),this.closePath()},CanvasRenderingContext2D.prototype.triangleDown=function(t,e,i){this.beginPath();var s=2*i,n=s/2,o=Math.sqrt(3)/6*s,a=Math.sqrt(s*s-n*n);this.moveTo(t,e+(a-o)),this.lineTo(t+n,e-o),this.lineTo(t-n,e-o),this.lineTo(t,e+(a-o)),this.closePath()},CanvasRenderingContext2D.prototype.star=function(t,e,i){this.beginPath();for(var s=0;10>s;s++){var n=s%2===0?1.3*i:.5*i;this.lineTo(t+n*Math.sin(2*s*Math.PI/10),e-n*Math.cos(2*s*Math.PI/10))}this.closePath()},CanvasRenderingContext2D.prototype.roundRect=function(t,e,i,s,n){var o=Math.PI/180;0>i-2*n&&(n=i/2),0>s-2*n&&(n=s/2),this.beginPath(),this.moveTo(t+n,e),this.lineTo(t+i-n,e),this.arc(t+i-n,e+n,n,270*o,360*o,!1),this.lineTo(t+i,e+s-n),this.arc(t+i-n,e+s-n,n,0,90*o,!1),this.lineTo(t+n,e+s),this.arc(t+n,e+s-n,n,90*o,180*o,!1),this.lineTo(t,e+n),this.arc(t+n,e+n,n,180*o,270*o,!1)},CanvasRenderingContext2D.prototype.ellipse=function(t,e,i,s){var n=.5522848,o=i/2*n,a=s/2*n,r=t+i,h=e+s,d=t+i/2,c=e+s/2;this.beginPath(),this.moveTo(t,c),this.bezierCurveTo(t,c-a,d-o,e,d,e),this.bezierCurveTo(d+o,e,r,c-a,r,c),this.bezierCurveTo(r,c+a,d+o,h,d,h),this.bezierCurveTo(d-o,h,t,c+a,t,c)},CanvasRenderingContext2D.prototype.database=function(t,e,i,s){var n=1/3,o=i,a=s*n,r=.5522848,h=o/2*r,d=a/2*r,c=t+o,l=e+a,u=t+o/2,p=e+a/2,g=e+(s-a/2),m=e+s;this.beginPath(),this.moveTo(c,p),this.bezierCurveTo(c,p+d,u+h,l,u,l),this.bezierCurveTo(u-h,l,t,p+d,t,p),this.bezierCurveTo(t,p-d,u-h,e,u,e),this.bezierCurveTo(u+h,e,c,p-d,c,p),this.lineTo(c,g),this.bezierCurveTo(c,g+d,u+h,m,u,m),this.bezierCurveTo(u-h,m,t,g+d,t,g),this.lineTo(t,p)},CanvasRenderingContext2D.prototype.arrow=function(t,e,i,s){var n=t-s*Math.cos(i),o=e-s*Math.sin(i),a=t-.9*s*Math.cos(i),r=e-.9*s*Math.sin(i),h=n+s/3*Math.cos(i+.5*Math.PI),d=o+s/3*Math.sin(i+.5*Math.PI),c=n+s/3*Math.cos(i-.5*Math.PI),l=o+s/3*Math.sin(i-.5*Math.PI);this.beginPath(),this.moveTo(t,e),this.lineTo(h,d),this.lineTo(a,r),this.lineTo(c,l),this.closePath()},CanvasRenderingContext2D.prototype.dashedLine=function(t,e,i,s,n){n||(n=[10,5]),0==u&&(u=.001);var o=n.length;this.moveTo(t,e);for(var a=i-t,r=s-e,h=r/a,d=Math.sqrt(a*a+r*r),c=0,l=!0;d>=.1;){var u=n[c++%o];u>d&&(u=d);var p=Math.sqrt(u*u/(1+h*h));0>a&&(p=-p),t+=p,e+=h*p,this[l?"lineTo":"moveTo"](t,e),d-=u,l=!l}}),Node.prototype.resetCluster=function(){this.formationScale=void 0,this.clusterSize=1,this.containedNodes={},this.containedEdges={},this.clusterSessions=[]},Node.prototype.attachEdge=function(t){-1==this.edges.indexOf(t)&&this.edges.push(t),-1==this.dynamicEdges.indexOf(t)&&this.dynamicEdges.push(t),this.dynamicEdgesLength=this.dynamicEdges.length},Node.prototype.detachEdge=function(t){var e=this.edges.indexOf(t);-1!=e&&(this.edges.splice(e,1),this.dynamicEdges.splice(e,1)),this.dynamicEdgesLength=this.dynamicEdges.length},Node.prototype.setProperties=function(t,e){if(t){if(this.originalLabel=void 0,void 0!==t.id&&(this.id=t.id),void 0!==t.label&&(this.label=t.label,this.originalLabel=t.label),void 0!==t.title&&(this.title=t.title),void 0!==t.group&&(this.group=t.group),void 0!==t.x&&(this.x=t.x),void 0!==t.y&&(this.y=t.y),void 0!==t.value&&(this.value=t.value),void 0!==t.level&&(this.level=t.level,this.preassignedLevel=!0),void 0!==t.mass&&(this.mass=t.mass),void 0!==t.horizontalAlignLeft&&(this.horizontalAlignLeft=t.horizontalAlignLeft),void 0!==t.verticalAlignTop&&(this.verticalAlignTop=t.verticalAlignTop),void 0!==t.triggerFunction&&(this.triggerFunction=t.triggerFunction),void 0===this.id)throw"Node must have an id";if(this.group){var i=this.grouplist.get(this.group);for(var s in i)i.hasOwnProperty(s)&&(this[s]=i[s])}if(void 0!==t.shape&&(this.shape=t.shape),void 0!==t.image&&(this.image=t.image),void 0!==t.radius&&(this.radius=t.radius),void 0!==t.color&&(this.color=util.parseColor(t.color)),void 0!==t.fontColor&&(this.fontColor=t.fontColor),void 0!==t.fontSize&&(this.fontSize=t.fontSize),void 0!==t.fontFace&&(this.fontFace=t.fontFace),void 0!==this.image&&""!=this.image){if(!this.imagelist)throw"No imagelist provided";this.imageObj=this.imagelist.load(this.image)}switch(this.xFixed=this.xFixed||void 0!==t.x&&!t.allowedToMoveX,this.yFixed=this.yFixed||void 0!==t.y&&!t.allowedToMoveY,this.radiusFixed=this.radiusFixed||void 0!==t.radius,"image"==this.shape&&(this.radiusMin=e.nodes.widthMin,this.radiusMax=e.nodes.widthMax),this.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;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}this._reset()}},Node.prototype.select=function(){this.selected=!0,this._reset()},Node.prototype.unselect=function(){this.selected=!1,this._reset()},Node.prototype.clearSizeCache=function(){this._reset()},Node.prototype._reset=function(){this.width=void 0,this.height=void 0},Node.prototype.getTitle=function(){return"function"==typeof this.title?this.title():this.title},Node.prototype.distanceToBorder=function(t,e){var i=1;switch(this.width||this.resize(t),this.shape){case"circle":case"dot":return this.radius+i;case"ellipse":var s=this.width/2,n=this.height/2,o=Math.sin(e)*s,a=Math.cos(e)*n;return s*n/Math.sqrt(o*o+a*a);case"box":case"image":case"text":default:return this.width?Math.min(Math.abs(this.width/2/Math.cos(e)),Math.abs(this.height/2/Math.sin(e)))+i:0}},Node.prototype._setForce=function(t,e){this.fx=t,this.fy=e},Node.prototype._addForce=function(t,e){this.fx+=t,this.fy+=e},Node.prototype.discreteStep=function(t){if(!this.xFixed){var e=this.damping*this.vx,i=(this.fx-e)/this.mass;this.vx+=i*t,this.x+=this.vx*t}if(!this.yFixed){var s=this.damping*this.vy,n=(this.fy-s)/this.mass;this.vy+=n*t,this.y+=this.vy*t}},Node.prototype.discreteStepLimited=function(t,e){if(this.xFixed)this.fx=0;else{var i=this.damping*this.vx,s=(this.fx-i)/this.mass;this.vx+=s*t,this.vx=Math.abs(this.vx)>e?this.vx>0?e:-e:this.vx,this.x+=this.vx*t}if(this.yFixed)this.fy=0;else{var n=this.damping*this.vy,o=(this.fy-n)/this.mass;this.vy+=o*t,this.vy=Math.abs(this.vy)>e?this.vy>0?e:-e:this.vy,this.y+=this.vy*t}},Node.prototype.isFixed=function(){return this.xFixed&&this.yFixed},Node.prototype.isMoving=function(t){return Math.abs(this.vx)>t||Math.abs(this.vy)>t},Node.prototype.isSelected=function(){return this.selected},Node.prototype.getValue=function(){return this.value},Node.prototype.getDistance=function(t,e){var i=this.x-t,s=this.y-e;return Math.sqrt(i*i+s*s)},Node.prototype.setValueRange=function(t,e){if(!this.radiusFixed&&void 0!==this.value)if(e==t)this.radius=(this.radiusMin+this.radiusMax)/2;else{var i=(this.radiusMax-this.radiusMin)/(e-t);this.radius=(this.value-t)*i+this.radiusMin}this.baseRadiusValue=this.radius},Node.prototype.draw=function(){throw"Draw method not initialized for node"},Node.prototype.resize=function(){throw"Resize method not initialized for node"},Node.prototype.isOverlappingWith=function(t){return this.leftt.left&&this.topt.top},Node.prototype._resizeImage=function(){if(!this.width||!this.height){var t,e;if(this.value){this.radius=this.baseRadiusValue;var i=this.imageObj.height/this.imageObj.width;void 0!==i?(t=this.radius||this.imageObj.width,e=this.radius*i||this.imageObj.height):(t=0,e=0)}else t=this.imageObj.width,e=this.imageObj.height;this.width=t,this.height=e,this.growthIndicator=0,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.radius+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.width-t)}},Node.prototype._drawImage=function(t){this._resizeImage(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e;if(0!=this.imageObj.width){if(this.clusterSize>1){var i=this.clusterSize>1?10:0;i*=this.graphScaleInv,i=Math.min(.2*this.width,i),t.globalAlpha=.5,t.drawImage(this.imageObj,this.left-i,this.top-i,this.width+2*i,this.height+2*i)}t.globalAlpha=1,t.drawImage(this.imageObj,this.left,this.top,this.width,this.height),e=this.y+this.height/2}else e=this.y;this._label(t,this.label,this.x,e,void 0,"top")},Node.prototype._resizeBox=function(t){if(!this.width){var e=5,i=this.getTextSize(t);this.width=i.width+2*e,this.height=i.height+2*e,this.width+=.5*Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeWidthFactor,this.height+=.5*Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeHeightFactor,this.growthIndicator=this.width-(i.width+2*e)}},Node.prototype._drawBox=function(t){this._resizeBox(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e=2.5,i=2;t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.roundRect(this.left-2*t.lineWidth,this.top-2*t.lineWidth,this.width+4*t.lineWidth,this.height+4*t.lineWidth,this.radius),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.roundRect(this.left,this.top,this.width,this.height,this.radius),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},Node.prototype._resizeDatabase=function(t){if(!this.width){var e=5,i=this.getTextSize(t),s=i.width+2*e;this.width=s,this.height=s,this.width+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeWidthFactor,this.height+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeHeightFactor,this.radius+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.width-s}},Node.prototype._drawDatabase=function(t){this._resizeDatabase(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e=2.5,i=2;t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.database(this.x-this.width/2-2*t.lineWidth,this.y-.5*this.height-2*t.lineWidth,this.width+4*t.lineWidth,this.height+4*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.database(this.x-this.width/2,this.y-.5*this.height,this.width,this.height),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},Node.prototype._resizeCircle=function(t){if(!this.width){var e=5,i=this.getTextSize(t),s=Math.max(i.width,i.height)+2*e;this.radius=s/2,this.width=s,this.height=s,this.radius+=.5*Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.radius-.5*s}},Node.prototype._drawCircle=function(t){this._resizeCircle(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e=2.5,i=2;t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.circle(this.x,this.y,this.radius+2*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.circle(this.x,this.y,this.radius),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},Node.prototype._resizeEllipse=function(t){if(!this.width){var e=this.getTextSize(t);this.width=1.5*e.width,this.height=2*e.height,this.width1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.ellipse(this.left-2*t.lineWidth,this.top-2*t.lineWidth,this.width+4*t.lineWidth,this.height+4*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.ellipse(this.left,this.top,this.width,this.height),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},Node.prototype._drawDot=function(t){this._drawShape(t,"circle")},Node.prototype._drawTriangle=function(t){this._drawShape(t,"triangle")},Node.prototype._drawTriangleDown=function(t){this._drawShape(t,"triangleDown")},Node.prototype._drawSquare=function(t){this._drawShape(t,"square")},Node.prototype._drawStar=function(t){this._drawShape(t,"star")},Node.prototype._resizeShape=function(){if(!this.width){this.radius=this.baseRadiusValue;var t=2*this.radius;this.width=t,this.height=t,this.width+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeWidthFactor,this.height+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeHeightFactor,this.radius+=.5*Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.width-t}},Node.prototype._drawShape=function(t,e){this._resizeShape(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var i=2.5,s=2,n=2;switch(e){case"dot":n=2;break;case"square":n=2;break;case"triangle":n=3;break;case"triangleDown":n=3;break;case"star":n=4}t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?s:1)+(this.clusterSize>1?i:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t[e](this.x,this.y,this.radius+n*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?s:1)+(this.clusterSize>1?i:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t[e](this.x,this.y,this.radius),t.fill(),t.stroke(),this.label&&this._label(t,this.label,this.x,this.y+this.height/2,void 0,"top")},Node.prototype._resizeText=function(t){if(!this.width){var e=5,i=this.getTextSize(t);this.width=i.width+2*e,this.height=i.height+2*e,this.width+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeWidthFactor,this.height+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeHeightFactor,this.radius+=Math.min(this.clusterSize-1,this.maxNodeSizeIncrements)*this.clusterSizeRadiusFactor,this.growthIndicator=this.width-(i.width+2*e)}},Node.prototype._drawText=function(t){this._resizeText(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2,this._label(t,this.label,this.x,this.y)},Node.prototype._label=function(t,e,i,s,n,o){if(e&&this.fontSize*this.graphScale>this.fontDrawThreshold){t.font=(this.selected?"bold ":"")+this.fontSize+"px "+this.fontFace,t.fillStyle=this.fontColor||"black",t.textAlign=n||"center",t.textBaseline=o||"middle";for(var a=e.split("\n"),r=a.length,h=this.fontSize+4,d=s+(1-r)/2*h,c=0;r>c;c++)t.fillText(a[c],i,d),d+=h}},Node.prototype.getTextSize=function(t){if(void 0!==this.label){t.font=(this.selected?"bold ":"")+this.fontSize+"px "+this.fontFace;for(var e=this.label.split("\n"),i=(this.fontSize+4)*e.length,s=0,n=0,o=e.length;o>n;n++)s=Math.max(s,t.measureText(e[n]).width);return{width:s,height:i}}return{width:0,height:0}},Node.prototype.inArea=function(){return void 0!==this.width?this.x+this.width*this.graphScaleInv>=this.canvasTopLeft.x&&this.x-this.width*this.graphScaleInv=this.canvasTopLeft.y&&this.y-this.height*this.graphScaleInv=this.canvasTopLeft.x&&this.x=this.canvasTopLeft.y&&this.yh}return!1},Edge.prototype._drawLine=function(t){if(t.strokeStyle=1==this.selected?this.color.highlight:this.color.color,t.lineWidth=this._getLineWidth(),this.from!=this.to){this._line(t);var e;if(this.label){if(1==this.smooth){var i=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),s=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));e={x:i,y:s}}else e=this._pointOnLine(.5);this._label(t,this.label,e.x,e.y)}}else{var n,o,a=this.length/4,r=this.from;r.width||r.resize(t),r.width>r.height?(n=r.x+r.width/2,o=r.y-a):(n=r.x+a,o=r.y-r.height/2),this._circle(t,n,o,a),e=this._pointOnCircle(n,o,a,.5),this._label(t,this.label,e.x,e.y)}},Edge.prototype._getLineWidth=function(){return 1==this.selected?Math.min(2*this.width,this.widthMax)*this.graphScaleInv:this.width*this.graphScaleInv},Edge.prototype._line=function(t){t.beginPath(),t.moveTo(this.from.x,this.from.y),1==this.smooth?t.quadraticCurveTo(this.via.x,this.via.y,this.to.x,this.to.y):t.lineTo(this.to.x,this.to.y),t.stroke()},Edge.prototype._circle=function(t,e,i,s){t.beginPath(),t.arc(e,i,s,0,2*Math.PI,!1),t.stroke()},Edge.prototype._label=function(t,e,i,s){if(e){t.font=(this.from.selected||this.to.selected?"bold ":"")+this.fontSize+"px "+this.fontFace,t.fillStyle=this.fontFill;var n=t.measureText(e).width,o=this.fontSize,a=i-n/2,r=s-o/2;t.fillRect(a,r,n,o),t.fillStyle=this.fontColor||"black",t.textAlign="left",t.textBaseline="top",t.fillText(e,a,r)}},Edge.prototype._drawDashLine=function(t){if(t.strokeStyle=1==this.selected?this.color.highlight:this.color.color,t.lineWidth=this._getLineWidth(),void 0!==t.mozDash||void 0!==t.setLineDash){t.beginPath(),t.moveTo(this.from.x,this.from.y);var e=[0];e=void 0!==this.dash.length&&void 0!==this.dash.gap?[this.dash.length,this.dash.gap]:[5,5],"undefined"!=typeof t.setLineDash?(t.setLineDash(e),t.lineDashOffset=0):(t.mozDash=e,t.mozDashOffset=0),1==this.smooth?t.quadraticCurveTo(this.via.x,this.via.y,this.to.x,this.to.y):t.lineTo(this.to.x,this.to.y),t.stroke(),"undefined"!=typeof t.setLineDash?(t.setLineDash([0]),t.lineDashOffset=0):(t.mozDash=[0],t.mozDashOffset=0)}else t.beginPath(),t.lineCap="round",void 0!==this.dash.altLength?t.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y,[this.dash.length,this.dash.gap,this.dash.altLength,this.dash.gap]):void 0!==this.dash.length&&void 0!==this.dash.gap?t.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y,[this.dash.length,this.dash.gap]):(t.moveTo(this.from.x,this.from.y),t.lineTo(this.to.x,this.to.y)),t.stroke();if(this.label){var i;if(1==this.smooth){var s=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),n=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y)); +i={x:s,y:n}}else i=this._pointOnLine(.5);this._label(t,this.label,i.x,i.y)}},Edge.prototype._pointOnLine=function(t){return{x:(1-t)*this.from.x+t*this.to.x,y:(1-t)*this.from.y+t*this.to.y}},Edge.prototype._pointOnCircle=function(t,e,i,s){var n=2*(s-3/8)*Math.PI;return{x:t+i*Math.cos(n),y:e-i*Math.sin(n)}},Edge.prototype._drawArrowCenter=function(t){var e;if(1==this.selected?(t.strokeStyle=this.color.highlight,t.fillStyle=this.color.highlight):(t.strokeStyle=this.color.color,t.fillStyle=this.color.color),t.lineWidth=this._getLineWidth(),this.from!=this.to){this._line(t);var i=Math.atan2(this.to.y-this.from.y,this.to.x-this.from.x),s=10+5*this.width;if(1==this.smooth){var n=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),o=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));e={x:n,y:o}}else e=this._pointOnLine(.5);t.arrow(e.x,e.y,i,s),t.fill(),t.stroke(),this.label&&this._label(t,this.label,e.x,e.y)}else{var a,r,h=.25*Math.max(100,this.length),d=this.from;d.width||d.resize(t),d.width>d.height?(a=d.x+.5*d.width,r=d.y-h):(a=d.x+h,r=d.y-.5*d.height),this._circle(t,a,r,h);var i=.2*Math.PI,s=10+5*this.width;e=this._pointOnCircle(a,r,h,.5),t.arrow(e.x,e.y,i,s),t.fill(),t.stroke(),this.label&&(e=this._pointOnCircle(a,r,h,.5),this._label(t,this.label,e.x,e.y))}},Edge.prototype._drawArrow=function(t){1==this.selected?(t.strokeStyle=this.color.highlight,t.fillStyle=this.color.highlight):(t.strokeStyle=this.color.color,t.fillStyle=this.color.color),t.lineWidth=this._getLineWidth();var e,i;if(this.from!=this.to){e=Math.atan2(this.to.y-this.from.y,this.to.x-this.from.x);var s=this.to.x-this.from.x,n=this.to.y-this.from.y,o=Math.sqrt(s*s+n*n),a=this.from.distanceToBorder(t,e+Math.PI),r=(o-a)/o,h=r*this.from.x+(1-r)*this.to.x,d=r*this.from.y+(1-r)*this.to.y;1==this.smooth&&(e=Math.atan2(this.to.y-this.via.y,this.to.x-this.via.x),s=this.to.x-this.via.x,n=this.to.y-this.via.y,o=Math.sqrt(s*s+n*n));var c,l,u=this.to.distanceToBorder(t,e),p=(o-u)/o;if(1==this.smooth?(c=(1-p)*this.via.x+p*this.to.x,l=(1-p)*this.via.y+p*this.to.y):(c=(1-p)*this.from.x+p*this.to.x,l=(1-p)*this.from.y+p*this.to.y),t.beginPath(),t.moveTo(h,d),1==this.smooth?t.quadraticCurveTo(this.via.x,this.via.y,c,l):t.lineTo(c,l),t.stroke(),i=10+5*this.width,t.arrow(c,l,e,i),t.fill(),t.stroke(),this.label){var g;if(1==this.smooth){var m=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),f=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));g={x:m,y:f}}else g=this._pointOnLine(.5);this._label(t,this.label,g.x,g.y)}}else{var v,y,_,b=this.from,S=.25*Math.max(100,this.length);b.width||b.resize(t),b.width>b.height?(v=b.x+.5*b.width,y=b.y-S,_={x:v,y:b.y,angle:.9*Math.PI}):(v=b.x+S,y=b.y-.5*b.height,_={x:b.x,y:y,angle:.6*Math.PI}),t.beginPath(),t.arc(v,y,S,0,2*Math.PI,!1),t.stroke(),i=10+5*this.width,t.arrow(_.x,_.y,_.angle,i),t.fill(),t.stroke(),this.label&&(g=this._pointOnCircle(v,y,S,.5),this._label(t,this.label,g.x,g.y))}},Edge.prototype._getDistanceToEdge=function(t,e,i,s,n,o){if(1==this.smooth){var a,r,h,d,c,l,u=1e9;for(a=0;10>a;a++)r=.1*a,h=Math.pow(1-r,2)*t+2*r*(1-r)*this.via.x+Math.pow(r,2)*i,d=Math.pow(1-r,2)*e+2*r*(1-r)*this.via.y+Math.pow(r,2)*s,c=Math.abs(n-h),l=Math.abs(o-d),u=Math.min(u,Math.sqrt(c*c+l*l));return u}var p=i-t,g=s-e,m=p*p+g*g,f=((n-t)*p+(o-e)*g)/m;f>1?f=1:0>f&&(f=0);var h=t+f*p,d=e+f*g,c=h-n,l=d-o;return Math.sqrt(c*c+l*l)},Edge.prototype.setScale=function(t){this.graphScaleInv=1/t},Edge.prototype.select=function(){this.selected=!0},Edge.prototype.unselect=function(){this.selected=!1},Edge.prototype.positionBezierNode=function(){null!==this.via&&(this.via.x=.5*(this.from.x+this.to.x),this.via.y=.5*(this.from.y+this.to.y))},Popup.prototype.setPosition=function(t,e){this.x=parseInt(t),this.y=parseInt(e)},Popup.prototype.setText=function(t){this.frame.innerHTML=t},Popup.prototype.show=function(t){if(void 0===t&&(t=!0),t){var e=this.frame.clientHeight,i=this.frame.clientWidth,s=this.frame.parentNode.clientHeight,n=this.frame.parentNode.clientWidth,o=this.y-e;o+e+this.padding>s&&(o=s-e-this.padding),on&&(a=n-i-this.padding),athis.constants.clustering.clusterThreshold&&1==this.constants.clustering.enabled&&this.clusterToFit(this.constants.clustering.reduceToNodes,!1),this._calculateForces())},_calculateForces:function(){this._calculateGravitationalForces(),this._calculateNodeForces(),1==this.constants.smoothCurves?this._calculateSpringForcesWithSupport():this._calculateSpringForces()},_updateCalculationNodes:function(){if(1==this.constants.smoothCurves){this.calculationNodes={},this.calculationNodeIndices=[];for(var t in this.nodes)this.nodes.hasOwnProperty(t)&&(this.calculationNodes[t]=this.nodes[t]);var e=this.sectors.support.nodes;for(var i in e)e.hasOwnProperty(i)&&(this.edges.hasOwnProperty(e[i].parentEdgeId)?this.calculationNodes[i]=e[i]:e[i]._setForce(0,0));for(var s in this.calculationNodes)this.calculationNodes.hasOwnProperty(s)&&this.calculationNodeIndices.push(s)}else this.calculationNodes=this.nodes,this.calculationNodeIndices=this.nodeIndices},_calculateGravitationalForces:function(){var t,e,i,s,n,o=this.calculationNodes,a=this.constants.physics.centralGravity,r=0;for(n=0;nSimulation 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 e;e=document.getElementById("graph_BH_gc"),e.onchange=showValueOfRange.bind(this,"graph_BH_gc",-1,"physics_barnesHut_gravitationalConstant"),e=document.getElementById("graph_BH_cg"),e.onchange=showValueOfRange.bind(this,"graph_BH_cg",1,"physics_centralGravity"),e=document.getElementById("graph_BH_sc"),e.onchange=showValueOfRange.bind(this,"graph_BH_sc",1,"physics_springConstant"),e=document.getElementById("graph_BH_sl"),e.onchange=showValueOfRange.bind(this,"graph_BH_sl",1,"physics_springLength"),e=document.getElementById("graph_BH_damp"),e.onchange=showValueOfRange.bind(this,"graph_BH_damp",1,"physics_damping"),e=document.getElementById("graph_R_nd"),e.onchange=showValueOfRange.bind(this,"graph_R_nd",1,"physics_repulsion_nodeDistance"),e=document.getElementById("graph_R_cg"),e.onchange=showValueOfRange.bind(this,"graph_R_cg",1,"physics_centralGravity"),e=document.getElementById("graph_R_sc"),e.onchange=showValueOfRange.bind(this,"graph_R_sc",1,"physics_springConstant"),e=document.getElementById("graph_R_sl"),e.onchange=showValueOfRange.bind(this,"graph_R_sl",1,"physics_springLength"),e=document.getElementById("graph_R_damp"),e.onchange=showValueOfRange.bind(this,"graph_R_damp",1,"physics_damping"),e=document.getElementById("graph_H_nd"),e.onchange=showValueOfRange.bind(this,"graph_H_nd",1,"physics_hierarchicalRepulsion_nodeDistance"),e=document.getElementById("graph_H_cg"),e.onchange=showValueOfRange.bind(this,"graph_H_cg",1,"physics_centralGravity"),e=document.getElementById("graph_H_sc"),e.onchange=showValueOfRange.bind(this,"graph_H_sc",1,"physics_springConstant"),e=document.getElementById("graph_H_sl"),e.onchange=showValueOfRange.bind(this,"graph_H_sl",1,"physics_springLength"),e=document.getElementById("graph_H_damp"),e.onchange=showValueOfRange.bind(this,"graph_H_damp",1,"physics_damping"),e=document.getElementById("graph_H_direction"),e.onchange=showValueOfRange.bind(this,"graph_H_direction",t,"hierarchicalLayout_direction"),e=document.getElementById("graph_H_levsep"),e.onchange=showValueOfRange.bind(this,"graph_H_levsep",1,"hierarchicalLayout_levelSeparation"),e=document.getElementById("graph_H_nspac"),e.onchange=showValueOfRange.bind(this,"graph_H_nspac",1,"hierarchicalLayout_nodeSpacing");var i=document.getElementById("graph_physicsMethod1"),s=document.getElementById("graph_physicsMethod2"),n=document.getElementById("graph_physicsMethod3");s.checked=!0,this.constants.physics.barnesHut.enabled&&(i.checked=!0),this.constants.hierarchicalLayout.enabled&&(n.checked=!0);var o=document.getElementById("graph_toggleSmooth"),a=document.getElementById("graph_repositionNodes"),r=document.getElementById("graph_generateOptions");o.onclick=graphToggleSmoothCurves.bind(this),a.onclick=graphRepositionNodes.bind(this),r.onclick=graphGenerateOptions.bind(this),o.style.background=1==this.constants.smoothCurves?"#A4FF56":"#FF8532",switchConfigurations.apply(this),i.onchange=switchConfigurations.bind(this),s.onchange=switchConfigurations.bind(this),n.onchange=switchConfigurations.bind(this)}},_overWriteGraphConstants:function(t,e){var i=t.split("_");1==i.length?this.constants[i[0]]=e:2==i.length?this.constants[i[0]][i[1]]=e:3==i.length&&(this.constants[i[0]][i[1]][i[2]]=e)}},hierarchalRepulsionMixin={_calculateNodeForces:function(){var t,e,i,s,n,o,a,r,h,d,c=this.calculationNodes,l=this.calculationNodeIndices,u=5,p=.5*-u,g=this.constants.physics.hierarchicalRepulsion.nodeDistance,m=g;for(h=0;hi&&(o=f*i+u,0==i?i=.01:o/=i,s=t*o,n=e*o,a.fx-=s,a.fy-=n,r.fx+=s,r.fy+=n)}}},barnesHutMixin={_calculateNodeForces:function(){if(0!=this.constants.physics.barnesHut.gravitationalConstant){var t,e=this.calculationNodes,i=this.calculationNodeIndices,s=i.length;this._formBarnesHutTree(e,i);for(var n=this.barnesHutTree,o=0;s>o;o++)t=e[i[o]],this._getForceContribution(n.root.children.NW,t),this._getForceContribution(n.root.children.NE,t),this._getForceContribution(n.root.children.SW,t),this._getForceContribution(n.root.children.SE,t)}},_getForceContribution:function(t,e){if(t.childrenCount>0){var i,s,n;if(i=t.centerOfMass.x-e.x,s=t.centerOfMass.y-e.y,n=Math.sqrt(i*i+s*s),n*t.calcSize>this.constants.physics.barnesHut.theta){0==n&&(n=.1*Math.random(),i=n);var o=this.constants.physics.barnesHut.gravitationalConstant*t.mass*e.mass/(n*n*n),a=i*o,r=s*o;e.fx+=a,e.fy+=r}else if(4==t.childrenCount)this._getForceContribution(t.children.NW,e),this._getForceContribution(t.children.NE,e),this._getForceContribution(t.children.SW,e),this._getForceContribution(t.children.SE,e);else if(t.children.data.id!=e.id){0==n&&(n=.5*Math.random(),i=n);var o=this.constants.physics.barnesHut.gravitationalConstant*t.mass*e.mass/(n*n*n),a=i*o,r=s*o;e.fx+=a,e.fy+=r}}},_formBarnesHutTree:function(t,e){for(var i,s=e.length,n=Number.MAX_VALUE,o=Number.MAX_VALUE,a=-Number.MAX_VALUE,r=-Number.MAX_VALUE,h=0;s>h;h++){var d=t[e[h]].x,c=t[e[h]].y;n>d&&(n=d),d>a&&(a=d),o>c&&(o=c),c>r&&(r=c)}var l=Math.abs(a-n)-Math.abs(r-o);l>0?(o-=.5*l,r+=.5*l):(n+=.5*l,a-=.5*l);var u=1e-5,p=Math.max(u,Math.abs(a-n)),g=.5*p,m=.5*(n+a),f=.5*(o+r),v={root:{centerOfMass:{x:0,y:0},mass:0,range:{minX:m-g,maxX:m+g,minY:f-g,maxY:f+g},size:p,calcSize:1/p,children:{data:null},maxWidth:0,level:0,childrenCount:4}};for(this._splitBranch(v.root),h=0;s>h;h++)i=t[e[h]],this._placeInTree(v.root,i);this.barnesHutTree=v},_updateBranchMass:function(t,e){var i=t.mass+e.mass,s=1/i;t.centerOfMass.x=t.centerOfMass.x*t.mass+e.x*e.mass,t.centerOfMass.x*=s,t.centerOfMass.y=t.centerOfMass.y*t.mass+e.y*e.mass,t.centerOfMass.y*=s,t.mass=i;var n=Math.max(Math.max(e.height,e.radius),e.width);t.maxWidth=t.maxWidthe.x?t.children.NW.range.maxY>e.y?this._placeInRegion(t,e,"NW"):this._placeInRegion(t,e,"SW"):t.children.NW.range.maxY>e.y?this._placeInRegion(t,e,"NE"):this._placeInRegion(t,e,"SE")},_placeInRegion:function(t,e,i){switch(t.children[i].childrenCount){case 0:t.children[i].children.data=e,t.children[i].childrenCount=1,this._updateBranchMass(t.children[i],e);break;case 1:t.children[i].children.data.x==e.x&&t.children[i].children.data.y==e.y?(e.x+=Math.random(),e.y+=Math.random()):(this._splitBranch(t.children[i]),this._placeInTree(t.children[i],e));break;case 4:this._placeInTree(t.children[i],e)}},_splitBranch:function(t){var e=null;1==t.childrenCount&&(e=t.children.data,t.mass=0,t.centerOfMass.x=0,t.centerOfMass.y=0),t.childrenCount=4,t.children.data=null,this._insertRegion(t,"NW"),this._insertRegion(t,"NE"),this._insertRegion(t,"SW"),this._insertRegion(t,"SE"),null!=e&&this._placeInTree(t,e)},_insertRegion:function(t,e){var i,s,n,o,a=.5*t.size;switch(e){case"NW":i=t.range.minX,s=t.range.minX+a,n=t.range.minY,o=t.range.minY+a;break;case"NE":i=t.range.minX+a,s=t.range.maxX,n=t.range.minY,o=t.range.minY+a;break;case"SW":i=t.range.minX,s=t.range.minX+a,n=t.range.minY+a,o=t.range.maxY;break;case"SE":i=t.range.minX+a,s=t.range.maxX,n=t.range.minY+a,o=t.range.maxY}t.children[e]={centerOfMass:{x:0,y:0},mass:0,range:{minX:i,maxX:s,minY:n,maxY:o},size:.5*t.size,calcSize:2*t.calcSize,children:{data:null},maxWidth:0,level:t.level+1,childrenCount:0}},_drawTree:function(t,e){void 0!==this.barnesHutTree&&(t.lineWidth=1,this._drawBranch(this.barnesHutTree.root,t,e))},_drawBranch:function(t,e,i){void 0===i&&(i="#FF0000"),4==t.childrenCount&&(this._drawBranch(t.children.NW,e),this._drawBranch(t.children.NE,e),this._drawBranch(t.children.SE,e),this._drawBranch(t.children.SW,e)),e.strokeStyle=i,e.beginPath(),e.moveTo(t.range.minX,t.range.minY),e.lineTo(t.range.maxX,t.range.minY),e.stroke(),e.beginPath(),e.moveTo(t.range.maxX,t.range.minY),e.lineTo(t.range.maxX,t.range.maxY),e.stroke(),e.beginPath(),e.moveTo(t.range.maxX,t.range.maxY),e.lineTo(t.range.minX,t.range.maxY),e.stroke(),e.beginPath(),e.moveTo(t.range.minX,t.range.maxY),e.lineTo(t.range.minX,t.range.minY),e.stroke()}},repulsionMixin={_calculateNodeForces:function(){var t,e,i,s,n,o,a,r,h,d,c,l=this.calculationNodes,u=this.calculationNodeIndices,p=-2/3,g=4/3,m=this.constants.physics.repulsion.nodeDistance,f=m;for(d=0;di&&(a=.5*f>i?1:v*i+g,a*=0==o?1:1+o*this.constants.clustering.forceAmplification,a/=i,s=t*a,n=e*a,r.fx-=s,r.fy-=n,h.fx+=s,h.fy+=n)}}},HierarchicalLayoutMixin={_resetLevels:function(){for(var t in this.nodes)if(this.nodes.hasOwnProperty(t)){var e=this.nodes[t];0==e.preassignedLevel&&(e.level=-1)}},_setupHierarchicalLayout:function(){if(1==this.constants.hierarchicalLayout.enabled){"RL"==this.constants.hierarchicalLayout.direction||"DU"==this.constants.hierarchicalLayout.direction?this.constants.hierarchicalLayout.levelSeparation*=-1:this.constants.hierarchicalLayout.levelSeparation=Math.abs(this.constants.hierarchicalLayout.levelSeparation);var t,e,i=0,s=!1,n=!1;for(e in this.nodes)this.nodes.hasOwnProperty(e)&&(t=this.nodes[e],-1!=t.level?s=!0:n=!0,is&&(o.xFixed=!1,o.x=i[o.level].minPos,a=!0):o.yFixed&&o.level>s&&(o.yFixed=!1,o.y=i[o.level].minPos,a=!0),1==a&&(i[o.level].minPos+=i[o.level].nodeSpacing,o.edges.length>1&&this._placeBranchNodes(o.edges,o.id,i,o.level))}},_setLevel:function(t,e,i){for(var s=0;st)&&(n.level=t,e.length>1&&this._setLevel(t+1,n.edges,n.id))}},_restoreNodes:function(){for(nodeId in this.nodes)this.nodes.hasOwnProperty(nodeId)&&(this.nodes[nodeId].xFixed=!1,this.nodes[nodeId].yFixed=!1)}},manipulationMixin={_clearManipulatorBar:function(){for(;this.manipulationDiv.hasChildNodes();)this.manipulationDiv.removeChild(this.manipulationDiv.firstChild)},_restoreOverloadedFunctions:function(){for(var t in this.cachedFunctions)this.cachedFunctions.hasOwnProperty(t)&&(this[t]=this.cachedFunctions[t])},_toggleEditMode:function(){this.editMode=!this.editMode;var t=document.getElementById("graph-manipulationDiv"),e=document.getElementById("graph-manipulation-closeDiv"),i=document.getElementById("graph-manipulation-editMode");1==this.editMode?(t.style.display="block",e.style.display="block",i.style.display="none",e.onclick=this._toggleEditMode.bind(this)):(t.style.display="none",e.style.display="none",i.style.display="block",e.onclick=null),this._createManipulatorBar()},_createManipulatorBar:function(){if(this.boundFunction&&this.off("select",this.boundFunction),this._restoreOverloadedFunctions(),this.freezeSimulation=!1,this.blockConnectingEdgeSelection=!1,this.forceAppendSelection=!1,1==this.editMode){for(;this.manipulationDiv.hasChildNodes();)this.manipulationDiv.removeChild(this.manipulationDiv.firstChild);this.manipulationDiv.innerHTML=""+this.constants.labels.add+"
"+this.constants.labels.link+"",1==this._getSelectedNodeCount()&&this.triggerFunctions.edit&&(this.manipulationDiv.innerHTML+="
"+this.constants.labels.editNode+""),0==this._selectionIsEmpty()&&(this.manipulationDiv.innerHTML+="
"+this.constants.labels.del+""); +var t=document.getElementById("graph-manipulate-addNode");t.onclick=this._createAddNodeToolbar.bind(this);var e=document.getElementById("graph-manipulate-connectNode");if(e.onclick=this._createAddEdgeToolbar.bind(this),1==this._getSelectedNodeCount()&&this.triggerFunctions.edit){var i=document.getElementById("graph-manipulate-editNode");i.onclick=this._editNode.bind(this)}if(0==this._selectionIsEmpty()){var s=document.getElementById("graph-manipulate-delete");s.onclick=this._deleteSelected.bind(this)}var n=document.getElementById("graph-manipulation-closeDiv");n.onclick=this._toggleEditMode.bind(this),this.boundFunction=this._createManipulatorBar.bind(this),this.on("select",this.boundFunction)}else{this.editModeDiv.innerHTML=""+this.constants.labels.edit+"";var o=document.getElementById("graph-manipulate-editModeButton");o.onclick=this._toggleEditMode.bind(this)}},_createAddNodeToolbar:function(){this._clearManipulatorBar(),this.boundFunction&&this.off("select",this.boundFunction),this.manipulationDiv.innerHTML=""+this.constants.labels.back+"
"+this.constants.labels.addDescription+"";var t=document.getElementById("graph-manipulate-back");t.onclick=this._createManipulatorBar.bind(this),this.boundFunction=this._addNode.bind(this),this.on("select",this.boundFunction)},_createAddEdgeToolbar:function(){this._clearManipulatorBar(),this._unselectAll(!0),this.freezeSimulation=!0,this.boundFunction&&this.off("select",this.boundFunction),this._unselectAll(),this.forceAppendSelection=!1,this.blockConnectingEdgeSelection=!0,this.manipulationDiv.innerHTML=""+this.constants.labels.back+"
"+this.constants.labels.linkDescription+"";var t=document.getElementById("graph-manipulate-back");t.onclick=this._createManipulatorBar.bind(this),this.boundFunction=this._handleConnect.bind(this),this.on("select",this.boundFunction),this.cachedFunctions._handleTouch=this._handleTouch,this.cachedFunctions._handleOnRelease=this._handleOnRelease,this._handleTouch=this._handleConnect,this._handleOnRelease=this._finishConnect,this._redraw()},_handleConnect:function(t){if(0==this._getSelectedNodeCount()){var e=this._getNodeAt(t);null!=e&&(e.clusterSize>1?alert("Cannot create edges to a cluster."):(this._selectObject(e,!1),this.sectors.support.nodes.targetNode=new Node({id:"targetNode"},{},{},this.constants),this.sectors.support.nodes.targetNode.x=e.x,this.sectors.support.nodes.targetNode.y=e.y,this.sectors.support.nodes.targetViaNode=new Node({id:"targetViaNode"},{},{},this.constants),this.sectors.support.nodes.targetViaNode.x=e.x,this.sectors.support.nodes.targetViaNode.y=e.y,this.sectors.support.nodes.targetViaNode.parentEdgeId="connectionEdge",this.edges.connectionEdge=new Edge({id:"connectionEdge",from:e.id,to:this.sectors.support.nodes.targetNode.id},this,this.constants),this.edges.connectionEdge.from=e,this.edges.connectionEdge.connected=!0,this.edges.connectionEdge.smooth=!0,this.edges.connectionEdge.selected=!0,this.edges.connectionEdge.to=this.sectors.support.nodes.targetNode,this.edges.connectionEdge.via=this.sectors.support.nodes.targetViaNode,this.cachedFunctions._handleOnDrag=this._handleOnDrag,this._handleOnDrag=function(t){var e=this._getPointer(t.gesture.center);this.sectors.support.nodes.targetNode.x=this._canvasToX(e.x),this.sectors.support.nodes.targetNode.y=this._canvasToY(e.y),this.sectors.support.nodes.targetViaNode.x=.5*(this._canvasToX(e.x)+this.edges.connectionEdge.from.x),this.sectors.support.nodes.targetViaNode.y=this._canvasToY(e.y)},this.moving=!0,this.start()))}},_finishConnect:function(t){if(1==this._getSelectedNodeCount()){this._handleOnDrag=this.cachedFunctions._handleOnDrag,delete this.cachedFunctions._handleOnDrag;var e=this.edges.connectionEdge.fromId;delete this.edges.connectionEdge,delete this.sectors.support.nodes.targetNode,delete this.sectors.support.nodes.targetViaNode;var i=this._getNodeAt(t);null!=i&&(i.clusterSize>1?alert("Cannot create edges to a cluster."):(this._createEdge(e,i.id),this._createManipulatorBar())),this._unselectAll()}},_addNode:function(){if(this._selectionIsEmpty()&&1==this.editMode){var t=this._pointerToPositionObject(this.pointerPosition),e={id:util.randomUUID(),x:t.left,y:t.top,label:"new",allowedToMoveX:!0,allowedToMoveY:!0};if(this.triggerFunctions.add)if(2==this.triggerFunctions.add.length){var i=this;this.triggerFunctions.add(e,function(t){i.nodesData.add(t),i._createManipulatorBar(),i.moving=!0,i.start()})}else alert(this.constants.labels.addError),this._createManipulatorBar(),this.moving=!0,this.start();else this.nodesData.add(e),this._createManipulatorBar(),this.moving=!0,this.start()}},_createEdge:function(t,e){if(1==this.editMode){var i={from:t,to:e};if(this.triggerFunctions.connect)if(2==this.triggerFunctions.connect.length){var s=this;this.triggerFunctions.connect(i,function(t){s.edgesData.add(t),s.moving=!0,s.start()})}else alert(this.constants.labels.linkError),this.moving=!0,this.start();else this.edgesData.add(i),this.moving=!0,this.start()}},_editNode:function(){if(this.triggerFunctions.edit&&1==this.editMode){var t=this._getSelectedNode(),e={id:t.id,label:t.label,group:t.group,shape:t.shape,color:{background:t.color.background,border:t.color.border,highlight:{background:t.color.highlight.background,border:t.color.highlight.border}}};if(2==this.triggerFunctions.edit.length){var i=this;this.triggerFunctions.edit(e,function(t){i.nodesData.update(t),i._createManipulatorBar(),i.moving=!0,i.start()})}else alert(this.constants.labels.editError)}else alert(this.constants.labels.editBoundError)},_deleteSelected:function(){if(!this._selectionIsEmpty()&&1==this.editMode)if(this._clusterInSelection())alert(this.constants.labels.deleteClusterError);else{var t=this.getSelectedNodes(),e=this.getSelectedEdges();if(this.triggerFunctions.del){var i=this,s={nodes:t,edges:e};(this.triggerFunctions.del.length=2)?this.triggerFunctions.del(s,function(t){i.edgesData.remove(t.edges),i.nodesData.remove(t.nodes),i._unselectAll(),i.moving=!0,i.start()}):alert(this.constants.labels.deleteError)}else this.edgesData.remove(e),this.nodesData.remove(t),this._unselectAll(),this.moving=!0,this.start()}}},SectorMixin={_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},_switchToSector:function(t,e){void 0===e||"active"==e?this._switchToActiveSector(t):this._switchToFrozenSector(t)},_switchToActiveSector:function(t){this.nodeIndices=this.sectors.active[t].nodeIndices,this.nodes=this.sectors.active[t].nodes,this.edges=this.sectors.active[t].edges},_switchToSupportSector:function(){this.nodeIndices=this.sectors.support.nodeIndices,this.nodes=this.sectors.support.nodes,this.edges=this.sectors.support.edges},_switchToFrozenSector:function(t){this.nodeIndices=this.sectors.frozen[t].nodeIndices,this.nodes=this.sectors.frozen[t].nodes,this.edges=this.sectors.frozen[t].edges},_loadLatestSector:function(){this._switchToSector(this._sector())},_sector:function(){return this.activeSector[this.activeSector.length-1]},_previousSector:function(){if(this.activeSector.length>1)return this.activeSector[this.activeSector.length-2];throw new TypeError("there are not enough sectors in the this.activeSector array.")},_setActiveSector:function(t){this.activeSector.push(t)},_forgetLastSector:function(){this.activeSector.pop()},_createNewSector:function(t){this.sectors.active[t]={nodes:{},edges:{},nodeIndices:[],formationScale:this.scale,drawingNode:void 0},this.sectors.active[t].drawingNode=new Node({id:t,color:{background:"#eaefef",border:"495c5e"}},{},{},this.constants),this.sectors.active[t].drawingNode.clusterSize=2},_deleteActiveSector:function(t){delete this.sectors.active[t]},_deleteFrozenSector:function(t){delete this.sectors.frozen[t]},_freezeSector:function(t){this.sectors.frozen[t]=this.sectors.active[t],this._deleteActiveSector(t)},_activateSector:function(t){this.sectors.active[t]=this.sectors.frozen[t],this._deleteFrozenSector(t)},_mergeThisWithFrozen:function(t){for(var e in this.nodes)this.nodes.hasOwnProperty(e)&&(this.sectors.frozen[t].nodes[e]=this.nodes[e]);for(var i in this.edges)this.edges.hasOwnProperty(i)&&(this.sectors.frozen[t].edges[i]=this.edges[i]);for(var s=0;s1?this[t](s[0],s[1]):this[t](e)}this._loadLatestSector()},_doInSupportSector:function(t,e){if(void 0===e)this._switchToSupportSector(),this[t]();else{this._switchToSupportSector();var i=Array.prototype.splice.call(arguments,1);i.length>1?this[t](i[0],i[1]):this[t](e)}this._loadLatestSector()},_doInAllFrozenSectors:function(t,e){if(void 0===e)for(var i in this.sectors.frozen)this.sectors.frozen.hasOwnProperty(i)&&(this._switchToFrozenSector(i),this[t]());else for(var i in this.sectors.frozen)if(this.sectors.frozen.hasOwnProperty(i)){this._switchToFrozenSector(i);var s=Array.prototype.splice.call(arguments,1);s.length>1?this[t](s[0],s[1]):this[t](e)}this._loadLatestSector()},_doInAllSectors:function(t,e){var i=Array.prototype.splice.call(arguments,1);void 0===e?(this._doInAllActiveSectors(t),this._doInAllFrozenSectors(t)):i.length>1?(this._doInAllActiveSectors(t,i[0],i[1]),this._doInAllFrozenSectors(t,i[0],i[1])):(this._doInAllActiveSectors(t,e),this._doInAllFrozenSectors(t,e))},_clearNodeIndexList:function(){var t=this._sector();this.sectors.active[t].nodeIndices=[],this.nodeIndices=this.sectors.active[t].nodeIndices},_drawSectorNodes:function(t,e){var i,s=1e9,n=-1e9,o=1e9,a=-1e9;for(var r in this.sectors[e])if(this.sectors[e].hasOwnProperty(r)&&void 0!==this.sectors[e][r].drawingNode){this._switchToSector(r,e),s=1e9,n=-1e9,o=1e9,a=-1e9;for(var h in this.nodes)this.nodes.hasOwnProperty(h)&&(i=this.nodes[h],i.resize(t),o>i.x-.5*i.width&&(o=i.x-.5*i.width),ai.y-.5*i.height&&(s=i.y-.5*i.height),nt&&s>n;)n%3==0?(this.forceAggregateHubs(!0),this.normalizeClusterLevels()):this.increaseClusterLevel(),i=this.nodeIndices.length,n+=1;n>0&&1==e&&this.repositionNodes(),this._updateCalculationNodes()},openCluster:function(t){var e=this.moving;if(t.clusterSize>this.constants.clustering.sectorThreshold&&this._nodeInActiveArea(t)&&("default"!=this._sector()||1!=this.nodeIndices.length)){this._addSector(t);for(var i=0;this.nodeIndices.lengthi;)this.decreaseClusterLevel(),i+=1}else this._expandClusterNode(t,!1,!0),this._updateNodeIndexList(),this._updateDynamicEdges(),this._updateCalculationNodes(),this.updateLabels();this.moving!=e&&this.start()},updateClustersDefault:function(){1==this.constants.clustering.enabled&&this.updateClusters(0,!1,!1)},increaseClusterLevel:function(){this.updateClusters(-1,!1,!0)},decreaseClusterLevel:function(){this.updateClusters(1,!1,!0)},updateClusters:function(t,e,i,s){var n=this.moving,o=this.nodeIndices.length;this.previousScale>this.scale&&0==t&&this._collapseSector(),this.previousScale>this.scale||-1==t?this._formClusters(i):(this.previousScalethis.scale||-1==t)&&(this._aggregateHubs(i),this._updateNodeIndexList()),(this.previousScale>this.scale||-1==t)&&(this.handleChains(),this._updateNodeIndexList()),this.previousScale=this.scale,this._updateDynamicEdges(),this.updateLabels(),this.nodeIndices.lengththis.constants.clustering.chainThreshold&&this._reduceAmountOfChains(1-this.constants.clustering.chainThreshold/t)},_aggregateHubs:function(t){this._getHubSize(),this._formClustersByHub(t,!1)},forceAggregateHubs:function(t){var e=this.moving,i=this.nodeIndices.length;this._aggregateHubs(!0),this._updateNodeIndexList(),this._updateDynamicEdges(),this.updateLabels(),this.nodeIndices.length!=i&&(this.clusterSession+=1),(0==t||void 0===t)&&this.moving!=e&&this.start()},_openClustersBySize:function(){for(var t in this.nodes)if(this.nodes.hasOwnProperty(t)){var e=this.nodes[t];1==e.inView()&&(e.width*this.scale>this.constants.clustering.screenSizeThreshold*this.frame.canvas.clientWidth||e.height*this.scale>this.constants.clustering.screenSizeThreshold*this.frame.canvas.clientHeight)&&this.openCluster(e)}},_openClusters:function(t,e){for(var i=0;i1&&(t.clusterSizei)){var a=o.from,r=o.to;o.to.mass>o.from.mass&&(a=o.to,r=o.from),1==r.dynamicEdgesLength?this._addToCluster(a,r,!1):1==a.dynamicEdgesLength&&this._addToCluster(r,a,!1)}}},_forceClustersByZoom:function(){for(var t in this.nodes)if(this.nodes.hasOwnProperty(t)){var e=this.nodes[t];if(1==e.dynamicEdgesLength&&0!=e.dynamicEdges.length){var i=e.dynamicEdges[0],s=i.toId==e.id?this.nodes[i.fromId]:this.nodes[i.toId];e.id!=s.id&&(s.mass>e.mass?this._addToCluster(s,e,!0):this._addToCluster(e,s,!0))}}},_clusterToSmallestNeighbour:function(t){for(var e=-1,i=null,s=0;sn.clusterSessions.length&&(e=n.clusterSessions.length,i=n)}null!=n&&void 0!==this.nodes[n.id]&&this._addToCluster(n,t,!0)},_formClustersByHub:function(t,e){for(var i in this.nodes)this.nodes.hasOwnProperty(i)&&this._formClusterFromHub(this.nodes[i],t,e)},_formClusterFromHub:function(t,e,i,s){if(void 0===s&&(s=0),t.dynamicEdgesLength>=this.hubThreshold&&0==i||t.dynamicEdgesLength==this.hubThreshold&&1==i){for(var n,o,a,r=this.constants.clustering.clusterEdgeThreshold/this.scale,h=!1,d=[],c=t.dynamicEdges.length,l=0;c>l;l++)d.push(t.dynamicEdges[l].id);if(0==e)for(h=!1,l=0;c>l;l++){var u=this.edges[d[l]];if(void 0!==u&&u.connected&&u.toId!=u.fromId&&(n=u.to.x-u.from.x,o=u.to.y-u.from.y,a=Math.sqrt(n*n+o*o),r>a)){h=!0;break}}if(!e&&h||e)for(l=0;c>l;l++)if(u=this.edges[d[l]],void 0!==u){var p=this.nodes[u.fromId==t.id?u.toId:u.fromId];p.dynamicEdges.length<=this.hubThreshold+s&&p.id!=t.id&&this._addToCluster(t,p,e)}}},_addToCluster:function(t,e,i){t.containedNodes[e.id]=e;for(var s=0;s1)for(var s=0;s1&&(e.label="[".concat(String(e.clusterSize),"]"))}for(t in this.nodes)this.nodes.hasOwnProperty(t)&&(e=this.nodes[t],1==e.clusterSize&&(e.label=void 0!==e.originalLabel?e.originalLabel:String(e.id)))},normalizeClusterLevels:function(){var t=0,e=1e9,i=0;for(var s in this.nodes)this.nodes.hasOwnProperty(s)&&(i=this.nodes[s].clusterSessions.length,i>t&&(t=i),e>i&&(e=i));if(t-e>this.constants.clustering.clusterLevelDifference){var n=this.nodeIndices.length,o=t-this.constants.clustering.clusterLevelDifference;for(var s in this.nodes)this.nodes.hasOwnProperty(s)&&this.nodes[s].clusterSessions.lengths&&(s=o.dynamicEdgesLength),t+=o.dynamicEdgesLength,e+=Math.pow(o.dynamicEdgesLength,2),i+=1}t/=i,e/=i;var a=e-Math.pow(t,2),r=Math.sqrt(a);this.hubThreshold=Math.floor(t+2*r),this.hubThreshold>s&&(this.hubThreshold=s)},_reduceAmountOfChains:function(t){this.hubThreshold=2;var e=Math.floor(this.nodeIndices.length*t);for(var i in this.nodes)this.nodes.hasOwnProperty(i)&&2==this.nodes[i].dynamicEdgesLength&&this.nodes[i].dynamicEdges.length>=2&&e>0&&(this._formClusterFromHub(this.nodes[i],!0,!0,1),e-=1)},_getChainFraction:function(){var t=0,e=0;for(var i in this.nodes)this.nodes.hasOwnProperty(i)&&(2==this.nodes[i].dynamicEdgesLength&&this.nodes[i].dynamicEdges.length>=2&&(t+=1),e+=1);return t/e}},SelectionMixin={_getNodesOverlappingWith:function(t,e){var i=this.nodes;for(var s in i)i.hasOwnProperty(s)&&i[s].isOverlappingWith(t)&&e.push(s)},_getAllNodesOverlappingWith:function(t){var e=[];return this._doInAllActiveSectors("_getNodesOverlappingWith",t,e),e},_pointerToPositionObject:function(t){var e=this._canvasToX(t.x),i=this._canvasToY(t.y);return{left:e,top:i,right:e,bottom:i}},_getNodeAt:function(t){var e=this._pointerToPositionObject(t),i=this._getAllNodesOverlappingWith(e);return i.length>0?this.nodes[i[i.length-1]]:null},_getEdgesOverlappingWith:function(t,e){var i=this.edges;for(var s in i)i.hasOwnProperty(s)&&i[s].isOverlappingWith(t)&&e.push(s)},_getAllEdgesOverlappingWith:function(t){var e=[];return this._doInAllActiveSectors("_getEdgesOverlappingWith",t,e),e},_getEdgeAt:function(t){var e=this._pointerToPositionObject(t),i=this._getAllEdgesOverlappingWith(e);return i.length>0?this.edges[i[i.length-1]]:null},_addToSelection:function(t){t instanceof Node?this.selectionObj.nodes[t.id]=t:this.selectionObj.edges[t.id]=t},_removeFromSelection:function(t){t instanceof Node?delete this.selectionObj.nodes[t.id]:delete this.selectionObj.edges[t.id]},_unselectAll:function(t){void 0===t&&(t=!1);for(var e in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(e)&&this.selectionObj.nodes[e].unselect();for(var i in this.selectionObj.edges)this.selectionObj.edges.hasOwnProperty(i)&&this.selectionObj.edges[i].unselect();this.selectionObj={nodes:{},edges:{}},0==t&&this.emit("select",this.getSelection())},_unselectClusters:function(t){void 0===t&&(t=!1);for(var e in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(e)&&this.selectionObj.nodes[e].clusterSize>1&&(this.selectionObj.nodes[e].unselect(),this._removeFromSelection(this.selectionObj.nodes[e]));0==t&&this.emit("select",this.getSelection())},_getSelectedNodeCount:function(){var t=0;for(var e in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(e)&&(t+=1);return t},_getSelectedNode:function(){for(var t in this.selectionObj.nodes)if(this.selectionObj.nodes.hasOwnProperty(t))return this.selectionObj.nodes[t];return null},_getSelectedEdgeCount:function(){var t=0;for(var e in this.selectionObj.edges)this.selectionObj.edges.hasOwnProperty(e)&&(t+=1);return t},_getSelectedObjectCount:function(){var t=0;for(var e in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(e)&&(t+=1);for(var i in this.selectionObj.edges)this.selectionObj.edges.hasOwnProperty(i)&&(t+=1);return t},_selectionIsEmpty:function(){for(var t in this.selectionObj.nodes)if(this.selectionObj.nodes.hasOwnProperty(t))return!1;for(var e in this.selectionObj.edges)if(this.selectionObj.edges.hasOwnProperty(e))return!1;return!0},_clusterInSelection:function(){for(var t in this.selectionObj.nodes)if(this.selectionObj.nodes.hasOwnProperty(t)&&this.selectionObj.nodes[t].clusterSize>1)return!0;return!1},_selectConnectedEdges:function(t){for(var e=0;ee;e++){s=t[e];var n=this.nodes[s];if(!n)throw new RangeError('Node with id "'+s+'" not found');this._selectObject(n,!0,!0)}this.redraw()},_updateSelection:function(){for(var t in this.selectionObj.nodes)this.selectionObj.nodes.hasOwnProperty(t)&&(this.nodes.hasOwnProperty(t)||delete this.selectionObj.nodes[t]);for(var e in this.selectionObj.edges)this.selectionObj.edges.hasOwnProperty(e)&&(this.edges.hasOwnProperty(e)||delete this.selectionObj.edges[e])}},NavigationMixin={_cleanNavigation:function(){var t=document.getElementById("graph-navigation_wrapper");null!=t&&this.containerElement.removeChild(t),document.onmouseup=null},_loadNavigationElements:function(){this._cleanNavigation(),this.navigationDivs={};var t=["up","down","left","right","zoomIn","zoomOut","zoomExtends"],e=["_moveUp","_moveDown","_moveLeft","_moveRight","_zoomIn","_zoomOut","zoomExtent"];this.navigationDivs.wrapper=document.createElement("div"),this.navigationDivs.wrapper.id="graph-navigation_wrapper",this.navigationDivs.wrapper.style.position="absolute",this.navigationDivs.wrapper.style.width=this.frame.canvas.clientWidth+"px",this.navigationDivs.wrapper.style.height=this.frame.canvas.clientHeight+"px",this.containerElement.insertBefore(this.navigationDivs.wrapper,this.frame);for(var i=0;it.x&&(s=t.x),nt.y&&(e=t.y),i=this.constants.clustering.initialMaxNodes?49.07548/(n+142.05338)+91444e-8:12.662/(n+7.4147)+.0964822:1==this.constants.clustering.enabled&&n>=this.constants.clustering.initialMaxNodes?77.5271985/(n+187.266146)+476710517e-13:30.5062972/(n+19.93597763)+.08413486;var o=Math.min(this.frame.canvas.clientWidth/600,this.frame.canvas.clientHeight/600);i*=o}else{var a=1.1*(Math.abs(s.minX)+Math.abs(s.maxX)),r=1.1*(Math.abs(s.minY)+Math.abs(s.maxY)),h=this.frame.canvas.clientWidth/a,d=this.frame.canvas.clientHeight/r;i=d>=h?h:d}i>1&&(i=1),this._setScale(i),this._centerGraph(s),0==e&&(this.moving=!0,this.start())},Graph.prototype._updateNodeIndexList=function(){this._clearNodeIndexList();for(var t in this.nodes)this.nodes.hasOwnProperty(t)&&this.nodeIndices.push(t)},Graph.prototype.setData=function(t,e){if(void 0===e&&(e=!1),t&&t.dot&&(t.nodes||t.edges))throw new SyntaxError('Data must contain either parameter "dot" or parameter pair "nodes" and "edges", but not both.');if(this.setOptions(t&&t.options),t&&t.dot){if(t&&t.dot){var i=vis.util.DOTToGraph(t.dot);return void this.setData(i)}}else this._setNodes(t&&t.nodes),this._setEdges(t&&t.edges);this._putDataInSector(),e||(this.stabilize&&this._stabilize(),this.start())},Graph.prototype.setOptions=function(t){if(t){var e;if(void 0!==t.width&&(this.width=t.width),void 0!==t.height&&(this.height=t.height),void 0!==t.stabilize&&(this.stabilize=t.stabilize),void 0!==t.selectable&&(this.selectable=t.selectable),void 0!==t.smoothCurves&&(this.constants.smoothCurves=t.smoothCurves),void 0!==t.freezeForStabilization&&(this.constants.freezeForStabilization=t.freezeForStabilization),void 0!==t.configurePhysics&&(this.constants.configurePhysics=t.configurePhysics),void 0!==t.stabilizationIterations&&(this.constants.stabilizationIterations=t.stabilizationIterations),void 0!==t.labels)for(e in t.labels)t.labels.hasOwnProperty(e)&&(this.constants.labels[e]=t.labels[e]);if(t.onAdd&&(this.triggerFunctions.add=t.onAdd),t.onEdit&&(this.triggerFunctions.edit=t.onEdit),t.onConnect&&(this.triggerFunctions.connect=t.onConnect),t.onDelete&&(this.triggerFunctions.del=t.onDelete),t.physics){if(t.physics.barnesHut){this.constants.physics.barnesHut.enabled=!0;for(e in t.physics.barnesHut)t.physics.barnesHut.hasOwnProperty(e)&&(this.constants.physics.barnesHut[e]=t.physics.barnesHut[e])}if(t.physics.repulsion){this.constants.physics.barnesHut.enabled=!1;for(e in t.physics.repulsion)t.physics.repulsion.hasOwnProperty(e)&&(this.constants.physics.repulsion[e]=t.physics.repulsion[e])}}if(t.hierarchicalLayout){this.constants.hierarchicalLayout.enabled=!0;for(e in t.hierarchicalLayout)t.hierarchicalLayout.hasOwnProperty(e)&&(this.constants.hierarchicalLayout[e]=t.hierarchicalLayout[e])}else void 0!==t.hierarchicalLayout&&(this.constants.hierarchicalLayout.enabled=!1);if(t.clustering){this.constants.clustering.enabled=!0;for(e in t.clustering)t.clustering.hasOwnProperty(e)&&(this.constants.clustering[e]=t.clustering[e])}else void 0!==t.clustering&&(this.constants.clustering.enabled=!1);if(t.navigation){this.constants.navigation.enabled=!0;for(e in t.navigation)t.navigation.hasOwnProperty(e)&&(this.constants.navigation[e]=t.navigation[e])}else void 0!==t.navigation&&(this.constants.navigation.enabled=!1);if(t.keyboard){this.constants.keyboard.enabled=!0;for(e in t.keyboard)t.keyboard.hasOwnProperty(e)&&(this.constants.keyboard[e]=t.keyboard[e])}else void 0!==t.keyboard&&(this.constants.keyboard.enabled=!1);if(t.dataManipulation){this.constants.dataManipulation.enabled=!0;for(e in t.dataManipulation)t.dataManipulation.hasOwnProperty(e)&&(this.constants.dataManipulation[e]=t.dataManipulation[e])}else void 0!==t.dataManipulation&&(this.constants.dataManipulation.enabled=!1);if(t.edges){for(e in t.edges)t.edges.hasOwnProperty(e)&&"object"!=typeof t.edges[e]&&(this.constants.edges[e]=t.edges[e]);void 0!==t.edges.color&&(util.isString(t.edges.color)?(this.constants.edges.color={},this.constants.edges.color.color=t.edges.color,this.constants.edges.color.highlight=t.edges.color):(void 0!==t.edges.color.color&&(this.constants.edges.color.color=t.edges.color.color),void 0!==t.edges.color.highlight&&(this.constants.edges.color.highlight=t.edges.color.highlight))),t.edges.fontColor||void 0!==t.edges.color&&(util.isString(t.edges.color)?this.constants.edges.fontColor=t.edges.color:void 0!==t.edges.color.color&&(this.constants.edges.fontColor=t.edges.color.color)),t.edges.dash&&(void 0!==t.edges.dash.length&&(this.constants.edges.dash.length=t.edges.dash.length),void 0!==t.edges.dash.gap&&(this.constants.edges.dash.gap=t.edges.dash.gap),void 0!==t.edges.dash.altLength&&(this.constants.edges.dash.altLength=t.edges.dash.altLength))}if(t.nodes){for(e in t.nodes)t.nodes.hasOwnProperty(e)&&(this.constants.nodes[e]=t.nodes[e]);t.nodes.color&&(this.constants.nodes.color=util.parseColor(t.nodes.color))}if(t.groups)for(var i in t.groups)if(t.groups.hasOwnProperty(i)){var s=t.groups[i];this.groups.add(i,s)}if(t.tooltip){for(e in t.tooltip)t.tooltip.hasOwnProperty(e)&&(this.constants.tooltip[e]=t.tooltip[e]);t.tooltip.color&&(this.constants.tooltip.color=util.parseColor(t.tooltip.color))}}this._loadPhysicsSystem(),this._loadNavigationControls(),this._loadManipulationSystem(),this._configureSmoothCurves(),this._createKeyBinds(),this.setSize(this.width,this.height),this._setTranslation(this.frame.clientWidth/2,this.frame.clientHeight/2),this._setScale(1),this._redraw()},Graph.prototype._create=function(){for(;this.containerElement.hasChildNodes();)this.containerElement.removeChild(this.containerElement.firstChild);if(this.frame=document.createElement("div"),this.frame.className="graph-frame",this.frame.style.position="relative",this.frame.style.overflow="hidden",this.frame.canvas=document.createElement("canvas"),this.frame.canvas.style.position="relative",this.frame.appendChild(this.frame.canvas),!this.frame.canvas.getContext){var t=document.createElement("DIV");t.style.color="red",t.style.fontWeight="bold",t.style.padding="10px",t.innerHTML="Error: your browser does not support HTML canvas",this.frame.canvas.appendChild(t)}var e=this;this.drag={},this.pinch={},this.hammer=Hammer(this.frame.canvas,{prevent_default:!0}),this.hammer.on("tap",e._onTap.bind(e)),this.hammer.on("doubletap",e._onDoubleTap.bind(e)),this.hammer.on("hold",e._onHold.bind(e)),this.hammer.on("pinch",e._onPinch.bind(e)),this.hammer.on("touch",e._onTouch.bind(e)),this.hammer.on("dragstart",e._onDragStart.bind(e)),this.hammer.on("drag",e._onDrag.bind(e)),this.hammer.on("dragend",e._onDragEnd.bind(e)),this.hammer.on("release",e._onRelease.bind(e)),this.hammer.on("mousewheel",e._onMouseWheel.bind(e)),this.hammer.on("DOMMouseScroll",e._onMouseWheel.bind(e)),this.hammer.on("mousemove",e._onMouseMoveTitle.bind(e)),this.containerElement.appendChild(this.frame)},Graph.prototype._createKeyBinds=function(){var t=this;this.mousetrap=mousetrap,this.mousetrap.reset(),1==this.constants.keyboard.enabled&&(this.mousetrap.bind("up",this._moveUp.bind(t),"keydown"),this.mousetrap.bind("up",this._yStopMoving.bind(t),"keyup"),this.mousetrap.bind("down",this._moveDown.bind(t),"keydown"),this.mousetrap.bind("down",this._yStopMoving.bind(t),"keyup"),this.mousetrap.bind("left",this._moveLeft.bind(t),"keydown"),this.mousetrap.bind("left",this._xStopMoving.bind(t),"keyup"),this.mousetrap.bind("right",this._moveRight.bind(t),"keydown"),this.mousetrap.bind("right",this._xStopMoving.bind(t),"keyup"),this.mousetrap.bind("=",this._zoomIn.bind(t),"keydown"),this.mousetrap.bind("=",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("-",this._zoomOut.bind(t),"keydown"),this.mousetrap.bind("-",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("[",this._zoomIn.bind(t),"keydown"),this.mousetrap.bind("[",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("]",this._zoomOut.bind(t),"keydown"),this.mousetrap.bind("]",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("pageup",this._zoomIn.bind(t),"keydown"),this.mousetrap.bind("pageup",this._stopZoom.bind(t),"keyup"),this.mousetrap.bind("pagedown",this._zoomOut.bind(t),"keydown"),this.mousetrap.bind("pagedown",this._stopZoom.bind(t),"keyup")),1==this.constants.dataManipulation.enabled&&(this.mousetrap.bind("escape",this._createManipulatorBar.bind(t)),this.mousetrap.bind("del",this._deleteSelected.bind(t)))},Graph.prototype._getPointer=function(t){return{x:t.pageX-vis.util.getAbsoluteLeft(this.frame.canvas),y:t.pageY-vis.util.getAbsoluteTop(this.frame.canvas)}},Graph.prototype._onTouch=function(t){this.drag.pointer=this._getPointer(t.gesture.center),this.drag.pinched=!1,this.pinch.scale=this._getScale(),this._handleTouch(this.drag.pointer)},Graph.prototype._onDragStart=function(){this._handleDragStart()},Graph.prototype._handleDragStart=function(){var t=this.drag,e=this._getNodeAt(t.pointer);if(t.dragging=!0,t.selection=[],t.translation=this._getTranslation(),t.nodeId=null,null!=e){t.nodeId=e.id,e.isSelected()||this._selectObject(e,!1);for(var i in this.selectionObj.nodes)if(this.selectionObj.nodes.hasOwnProperty(i)){var s=this.selectionObj.nodes[i],n={id:s.id,node:s,x:s.x,y:s.y,xFixed:s.xFixed,yFixed:s.yFixed};s.xFixed=!0,s.yFixed=!0,t.selection.push(n)}}},Graph.prototype._onDrag=function(t){this._handleOnDrag(t)},Graph.prototype._handleOnDrag=function(t){if(!this.drag.pinched){var e=this._getPointer(t.gesture.center),i=this,s=this.drag,n=s.selection;if(n&&n.length){var o=e.x-s.pointer.x,a=e.y-s.pointer.y;n.forEach(function(t){var e=t.node;t.xFixed||(e.x=i._canvasToX(i._xToCanvas(t.x)+o)),t.yFixed||(e.y=i._canvasToY(i._yToCanvas(t.y)+a))}),this.moving||(this.moving=!0,this.start())}else{var r=e.x-this.drag.pointer.x,h=e.y-this.drag.pointer.y;this._setTranslation(this.drag.translation.x+r,this.drag.translation.y+h),this._redraw(),this.moved=!0}}},Graph.prototype._onDragEnd=function(){this.drag.dragging=!1;var t=this.drag.selection;t&&t.forEach(function(t){t.node.xFixed=t.xFixed,t.node.yFixed=t.yFixed})},Graph.prototype._onTap=function(t){var e=this._getPointer(t.gesture.center);this.pointerPosition=e,this._handleTap(e)},Graph.prototype._onDoubleTap=function(t){var e=this._getPointer(t.gesture.center);this._handleDoubleTap(e)},Graph.prototype._onHold=function(t){var e=this._getPointer(t.gesture.center);this.pointerPosition=e,this._handleOnHold(e)},Graph.prototype._onRelease=function(t){var e=this._getPointer(t.gesture.center);this._handleOnRelease(e)},Graph.prototype._onPinch=function(t){var e=this._getPointer(t.gesture.center);this.drag.pinched=!0,"scale"in this.pinch||(this.pinch.scale=1);var i=this.pinch.scale*t.gesture.scale;this._zoom(i,e)},Graph.prototype._zoom=function(t,e){var i=this._getScale();1e-5>t&&(t=1e-5),t>10&&(t=10);var s=this._getTranslation(),n=t/i,o=(1-n)*e.x+s.x*n,a=(1-n)*e.y+s.y*n;return this.areaCenter={x:this._canvasToX(e.x),y:this._canvasToY(e.y)},this._setScale(t),this._setTranslation(o,a),this.updateClustersDefault(),this._redraw(),t},Graph.prototype._onMouseWheel=function(t){var e=0;if(t.wheelDelta?e=t.wheelDelta/120:t.detail&&(e=-t.detail/3),e){var i=this._getScale(),s=e/10;0>e&&(s/=1-s),i*=1+s;var n=util.fakeGesture(this,t),o=this._getPointer(n.center);this._zoom(i,o)}t.preventDefault()},Graph.prototype._onMouseMoveTitle=function(t){var e=util.fakeGesture(this,t),i=this._getPointer(e.center);this.popupNode&&this._checkHidePopup(i);var s=this,n=function(){s._checkShowPopup(i)};this.popupTimer&&clearInterval(this.popupTimer),this.drag.dragging||(this.popupTimer=setTimeout(n,this.constants.tooltip.delay))},Graph.prototype._checkShowPopup=function(t){var e,i={left:this._canvasToX(t.x),top:this._canvasToY(t.y),right:this._canvasToX(t.x),bottom:this._canvasToY(t.y)},s=this.popupNode;if(void 0==this.popupNode){var n=this.nodes;for(e in n)if(n.hasOwnProperty(e)){var o=n[e];if(void 0!==o.getTitle()&&o.isOverlappingWith(i)){this.popupNode=o;break}}}if(void 0===this.popupNode){var a=this.edges;for(e in a)if(a.hasOwnProperty(e)){var r=a[e];if(r.connected&&void 0!==r.getTitle()&&r.isOverlappingWith(i)){this.popupNode=r;break}}}if(this.popupNode){if(this.popupNode!=s){var h=this;h.popup||(h.popup=new Popup(h.frame,h.constants.tooltip)),h.popup.setPosition(t.x-3,t.y-3),h.popup.setText(h.popupNode.getTitle()),h.popup.show()}}else this.popup&&this.popup.hide()},Graph.prototype._checkHidePopup=function(t){this.popupNode&&this._getNodeAt(t)||(this.popupNode=void 0,this.popup&&this.popup.hide())},Graph.prototype.setSize=function(t,e){this.frame.style.width=t,this.frame.style.height=e,this.frame.canvas.style.width="100%",this.frame.canvas.style.height="100%",this.frame.canvas.width=this.frame.canvas.clientWidth,this.frame.canvas.height=this.frame.canvas.clientHeight,void 0!==this.manipulationDiv&&(this.manipulationDiv.style.width=this.frame.canvas.clientWidth+"px"),void 0!==this.navigationDivs&&void 0!==this.navigationDivs.wrapper&&(this.navigationDivs.wrapper.style.width=this.frame.canvas.clientWidth+"px",this.navigationDivs.wrapper.style.height=this.frame.canvas.clientHeight+"px"),this.emit("resize",{width:this.frame.canvas.width,height:this.frame.canvas.height})},Graph.prototype._setNodes=function(t){var e=this.nodesData;if(t instanceof DataSet||t instanceof DataView)this.nodesData=t;else if(t instanceof Array)this.nodesData=new DataSet,this.nodesData.add(t);else{if(t)throw new TypeError("Array or DataSet expected");this.nodesData=new DataSet}if(e&&util.forEach(this.nodesListeners,function(t,i){e.off(i,t)}),this.nodes={},this.nodesData){var i=this;util.forEach(this.nodesListeners,function(t,e){i.nodesData.on(e,t)});var s=this.nodesData.getIds();this._addNodes(s)}this._updateSelection()},Graph.prototype._addNodes=function(t){for(var e,i=0,s=t.length;s>i;i++){e=t[i];var n=this.nodesData.get(e),o=new Node(n,this.images,this.groups,this.constants);if(this.nodes[e]=o,!(0!=o.xFixed&&0!=o.yFixed||null!==o.x&&null!==o.y)){var a=1*t.length,r=2*Math.PI*Math.random();0==o.xFixed&&(o.x=a*Math.cos(r)),0==o.yFixed&&(o.y=a*Math.sin(r))}this.moving=!0}this._updateNodeIndexList(),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this._updateCalculationNodes(),this._reconnectEdges(),this._updateValueRange(this.nodes),this.updateLabels()},Graph.prototype._updateNodes=function(t){for(var e=this.nodes,i=this.nodesData,s=0,n=t.length;n>s;s++){var o=t[s],a=e[o],r=i.get(o);a?a.setProperties(r,this.constants):(a=new Node(properties,this.images,this.groups,this.constants),e[o]=a,a.isFixed()||(this.moving=!0))}this._updateNodeIndexList(),this._reconnectEdges(),this._updateValueRange(e)},Graph.prototype._removeNodes=function(t){for(var e=this.nodes,i=0,s=t.length;s>i;i++){var n=t[i];delete e[n]}this._updateNodeIndexList(),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this._updateCalculationNodes(),this._reconnectEdges(),this._updateSelection(),this._updateValueRange(e)},Graph.prototype._setEdges=function(t){var e=this.edgesData;if(t instanceof DataSet||t instanceof DataView)this.edgesData=t;else if(t instanceof Array)this.edgesData=new DataSet,this.edgesData.add(t);else{if(t)throw new TypeError("Array or DataSet expected");this.edgesData=new DataSet}if(e&&util.forEach(this.edgesListeners,function(t,i){e.off(i,t)}),this.edges={},this.edgesData){var i=this;util.forEach(this.edgesListeners,function(t,e){i.edgesData.on(e,t)});var s=this.edgesData.getIds();this._addEdges(s)}this._reconnectEdges()},Graph.prototype._addEdges=function(t){for(var e=this.edges,i=this.edgesData,s=0,n=t.length;n>s;s++){var o=t[s],a=e[o];a&&a.disconnect();var r=i.get(o,{showInternalIds:!0});e[o]=new Edge(r,this,this.constants)}this.moving=!0,this._updateValueRange(e),this._createBezierNodes(),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this._updateCalculationNodes()},Graph.prototype._updateEdges=function(t){for(var e=this.edges,i=this.edgesData,s=0,n=t.length;n>s;s++){var o=t[s],a=i.get(o),r=e[o];r?(r.disconnect(),r.setProperties(a,this.constants),r.connect()):(r=new Edge(a,this,this.constants),this.edges[o]=r)}this._createBezierNodes(),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this.moving=!0,this._updateValueRange(e)},Graph.prototype._removeEdges=function(t){for(var e=this.edges,i=0,s=t.length;s>i;i++){var n=t[i],o=e[n];o&&(null!=o.via&&delete this.sectors.support.nodes[o.via.id],o.disconnect(),delete e[n])}this.moving=!0,this._updateValueRange(e),1==this.constants.hierarchicalLayout.enabled&&0==this.initializing&&(this._resetLevels(),this._setupHierarchicalLayout()),this._updateCalculationNodes()},Graph.prototype._reconnectEdges=function(){var t,e=this.nodes,i=this.edges;for(t in e)e.hasOwnProperty(t)&&(e[t].edges=[]);for(t in i)if(i.hasOwnProperty(t)){var s=i[t];s.from=null,s.to=null,s.connect()}},Graph.prototype._updateValueRange=function(t){var e,i=void 0,s=void 0;for(e in t)if(t.hasOwnProperty(e)){var n=t[e].getValue();void 0!==n&&(i=void 0===i?n:Math.min(n,i),s=void 0===s?n:Math.max(n,s))}if(void 0!==i&&void 0!==s)for(e in t)t.hasOwnProperty(e)&&t[e].setValueRange(i,s)},Graph.prototype.redraw=function(){this.setSize(this.width,this.height),this._redraw()},Graph.prototype._redraw=function(){var t=this.frame.canvas.getContext("2d"),e=this.frame.canvas.width,i=this.frame.canvas.height;t.clearRect(0,0,e,i),t.save(),t.translate(this.translation.x,this.translation.y),t.scale(this.scale,this.scale),this.canvasTopLeft={x:this._canvasToX(0),y:this._canvasToY(0)},this.canvasBottomRight={x:this._canvasToX(this.frame.canvas.clientWidth),y:this._canvasToY(this.frame.canvas.clientHeight)},this._doInAllSectors("_drawAllSectorNodes",t),this._doInAllSectors("_drawEdges",t),this._doInAllSectors("_drawNodes",t,!1),t.restore()},Graph.prototype._setTranslation=function(t,e){void 0===this.translation&&(this.translation={x:0,y:0}),void 0!==t&&(this.translation.x=t),void 0!==e&&(this.translation.y=e)},Graph.prototype._getTranslation=function(){return{x:this.translation.x,y:this.translation.y}},Graph.prototype._setScale=function(t){this.scale=t},Graph.prototype._getScale=function(){return this.scale},Graph.prototype._canvasToX=function(t){return(t-this.translation.x)/this.scale},Graph.prototype._xToCanvas=function(t){return t*this.scale+this.translation.x},Graph.prototype._canvasToY=function(t){return(t-this.translation.y)/this.scale},Graph.prototype._yToCanvas=function(t){return t*this.scale+this.translation.y},Graph.prototype._drawNodes=function(t,e){void 0===e&&(e=!1);var i=this.nodes,s=[];for(var n in i)i.hasOwnProperty(n)&&(i[n].setScaleAndPos(this.scale,this.canvasTopLeft,this.canvasBottomRight),i[n].isSelected()?s.push(n):(i[n].inArea()||e)&&i[n].draw(t));for(var o=0,a=s.length;a>o;o++)(i[s[o]].inArea()||e)&&i[s[o]].draw(t)},Graph.prototype._drawEdges=function(t){var e=this.edges;for(var i in e)if(e.hasOwnProperty(i)){var s=e[i];s.setScale(this.scale),s.connected&&e[i].draw(t)}},Graph.prototype._stabilize=function(){1==this.constants.freezeForStabilization&&this._freezeDefinedNodes();for(var t=0;this.moving&&t0)for(t in i)i.hasOwnProperty(t)&&(i[t].discreteStepLimited(e,this.constants.maxVelocity),s=!0);else for(t in i)i.hasOwnProperty(t)&&(i[t].discreteStep(e),s=!0);if(1==s){var n=this.constants.minVelocity/Math.max(this.scale,.05);this.moving=n>.5*this.constants.maxVelocity?!0:this._isMoving(n)}},Graph.prototype._physicsTick=function(){this.freezeSimulation||this.moving&&(this._doInAllActiveSectors("_initializeForceCalculation"),this._doInAllActiveSectors("_discreteStepNodes"),this.constants.smoothCurves&&this._doInSupportSector("_discreteStepNodes"),this._findCenter(this._getRange()))},Graph.prototype._animationStep=function(){this.timer=void 0,this._handleNavigation(),this.start();var t=Date.now(),e=1;this._physicsTick();for(var i=Date.now()-t;is;++s)i[s].apply(this,e)}return this},i.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks[t]||[]},i.prototype.hasListeners=function(t){return!!this.listeners(t).length}},{}],3:[function(t,e){!function(t,i){"use strict";function s(){if(!n.READY){n.event.determineEventTypes();for(var t in n.gestures)n.gestures.hasOwnProperty(t)&&n.detection.register(n.gestures[t]);n.event.onTouch(n.DOCUMENT,n.EVENT_MOVE,n.detection.detect),n.event.onTouch(n.DOCUMENT,n.EVENT_END,n.detection.detect),n.READY=!0}}var n=function(t,e){return new n.Instance(t,e||{})};n.defaults={stop_browser_behavior:{userSelect:"none",touchAction:"none",touchCallout:"none",contentZooming:"none",userDrag:"none",tapHighlightColor:"rgba(0,0,0,0)"}},n.HAS_POINTEREVENTS=navigator.pointerEnabled||navigator.msPointerEnabled,n.HAS_TOUCHEVENTS="ontouchstart"in t,n.MOBILE_REGEX=/mobile|tablet|ip(ad|hone|od)|android/i,n.NO_MOUSEEVENTS=n.HAS_TOUCHEVENTS&&navigator.userAgent.match(n.MOBILE_REGEX),n.EVENT_TYPES={},n.DIRECTION_DOWN="down",n.DIRECTION_LEFT="left",n.DIRECTION_UP="up",n.DIRECTION_RIGHT="right",n.POINTER_MOUSE="mouse",n.POINTER_TOUCH="touch",n.POINTER_PEN="pen",n.EVENT_START="start",n.EVENT_MOVE="move",n.EVENT_END="end",n.DOCUMENT=document,n.plugins={},n.READY=!1,n.Instance=function(t,e){var i=this;return s(),this.element=t,this.enabled=!0,this.options=n.utils.extend(n.utils.extend({},n.defaults),e||{}),this.options.stop_browser_behavior&&n.utils.stopDefaultBrowserBehavior(this.element,this.options.stop_browser_behavior),n.event.onTouch(t,n.EVENT_START,function(t){i.enabled&&n.detection.startDetect(i,t)}),this},n.Instance.prototype={on:function(t,e){for(var i=t.split(" "),s=0;s0&&e==n.EVENT_END?e=n.EVENT_MOVE:c||(e=n.EVENT_END),c||null===o?o=h:h=o,i.call(n.detection,s.collectEventData(t,e,h)),n.HAS_POINTEREVENTS&&e==n.EVENT_END&&(c=n.PointerEvent.updatePointer(e,h))),c||(o=null,a=!1,r=!1,n.PointerEvent.reset())}})},determineEventTypes:function(){var t;t=n.HAS_POINTEREVENTS?n.PointerEvent.getEvents():n.NO_MOUSEEVENTS?["touchstart","touchmove","touchend touchcancel"]:["touchstart mousedown","touchmove mousemove","touchend touchcancel mouseup"],n.EVENT_TYPES[n.EVENT_START]=t[0],n.EVENT_TYPES[n.EVENT_MOVE]=t[1],n.EVENT_TYPES[n.EVENT_END]=t[2] +},getTouchList:function(t){return n.HAS_POINTEREVENTS?n.PointerEvent.getTouchList():t.touches?t.touches:[{identifier:1,pageX:t.pageX,pageY:t.pageY,target:t.target}]},collectEventData:function(t,e,i){var s=this.getTouchList(i,e),o=n.POINTER_TOUCH;return(i.type.match(/mouse/)||n.PointerEvent.matchType(n.POINTER_MOUSE,i))&&(o=n.POINTER_MOUSE),{center:n.utils.getCenter(s),timeStamp:(new Date).getTime(),target:i.target,touches:s,eventType:e,pointerType:o,srcEvent:i,preventDefault:function(){this.srcEvent.preventManipulation&&this.srcEvent.preventManipulation(),this.srcEvent.preventDefault&&this.srcEvent.preventDefault()},stopPropagation:function(){this.srcEvent.stopPropagation()},stopDetect:function(){return n.detection.stopDetect()}}}},n.PointerEvent={pointers:{},getTouchList:function(){var t=this,e=[];return Object.keys(t.pointers).sort().forEach(function(i){e.push(t.pointers[i])}),e},updatePointer:function(t,e){return t==n.EVENT_END?this.pointers={}:(e.identifier=e.pointerId,this.pointers[e.pointerId]=e),Object.keys(this.pointers).length},matchType:function(t,e){if(!e.pointerType)return!1;var i={};return i[n.POINTER_MOUSE]=e.pointerType==e.MSPOINTER_TYPE_MOUSE||e.pointerType==n.POINTER_MOUSE,i[n.POINTER_TOUCH]=e.pointerType==e.MSPOINTER_TYPE_TOUCH||e.pointerType==n.POINTER_TOUCH,i[n.POINTER_PEN]=e.pointerType==e.MSPOINTER_TYPE_PEN||e.pointerType==n.POINTER_PEN,i[t]},getEvents:function(){return["pointerdown MSPointerDown","pointermove MSPointerMove","pointerup pointercancel MSPointerUp MSPointerCancel"]},reset:function(){this.pointers={}}},n.utils={extend:function(t,e,s){for(var n in e)t[n]!==i&&s||(t[n]=e[n]);return t},hasParent:function(t,e){for(;t;){if(t==e)return!0;t=t.parentNode}return!1},getCenter:function(t){for(var e=[],i=[],s=0,n=t.length;n>s;s++)e.push(t[s].pageX),i.push(t[s].pageY);return{pageX:(Math.min.apply(Math,e)+Math.max.apply(Math,e))/2,pageY:(Math.min.apply(Math,i)+Math.max.apply(Math,i))/2}},getVelocity:function(t,e,i){return{x:Math.abs(e/t)||0,y:Math.abs(i/t)||0}},getAngle:function(t,e){var i=e.pageY-t.pageY,s=e.pageX-t.pageX;return 180*Math.atan2(i,s)/Math.PI},getDirection:function(t,e){var i=Math.abs(t.pageX-e.pageX),s=Math.abs(t.pageY-e.pageY);return i>=s?t.pageX-e.pageX>0?n.DIRECTION_LEFT:n.DIRECTION_RIGHT:t.pageY-e.pageY>0?n.DIRECTION_UP:n.DIRECTION_DOWN},getDistance:function(t,e){var i=e.pageX-t.pageX,s=e.pageY-t.pageY;return Math.sqrt(i*i+s*s)},getScale:function(t,e){return t.length>=2&&e.length>=2?this.getDistance(e[0],e[1])/this.getDistance(t[0],t[1]):1},getRotation:function(t,e){return t.length>=2&&e.length>=2?this.getAngle(e[1],e[0])-this.getAngle(t[1],t[0]):0},isVertical:function(t){return t==n.DIRECTION_UP||t==n.DIRECTION_DOWN},stopDefaultBrowserBehavior:function(t,e){var i,s=["webkit","khtml","moz","ms","o",""];if(e&&t.style){for(var n=0;ni;i++){var o=this.gestures[i];if(!this.stopped&&e[o.name]!==!1&&o.handler.call(o,t,this.current.inst)===!1){this.stopDetect();break}}return this.current&&(this.current.lastEvent=t),t.eventType==n.EVENT_END&&!t.touches.length-1&&this.stopDetect(),t}},stopDetect:function(){this.previous=n.utils.extend({},this.current),this.current=null,this.stopped=!0},extendEventData:function(t){var e=this.current.startEvent;if(e&&(t.touches.length!=e.touches.length||t.touches===e.touches)){e.touches=[];for(var i=0,s=t.touches.length;s>i;i++)e.touches.push(n.utils.extend({},t.touches[i]))}var o=t.timeStamp-e.timeStamp,a=t.center.pageX-e.center.pageX,r=t.center.pageY-e.center.pageY,h=n.utils.getVelocity(o,a,r);return n.utils.extend(t,{deltaTime:o,deltaX:a,deltaY:r,velocityX:h.x,velocityY:h.y,distance:n.utils.getDistance(e.center,t.center),angle:n.utils.getAngle(e.center,t.center),direction:n.utils.getDirection(e.center,t.center),scale:n.utils.getScale(e.touches,t.touches),rotation:n.utils.getRotation(e.touches,t.touches),startEvent:e}),t},register:function(t){var e=t.defaults||{};return e[t.name]===i&&(e[t.name]=!0),n.utils.extend(n.defaults,e,!0),t.index=t.index||1e3,this.gestures.push(t),this.gestures.sort(function(t,e){return t.indexe.index?1:0}),this.gestures}},n.gestures=n.gestures||{},n.gestures.Hold={name:"hold",index:10,defaults:{hold_timeout:500,hold_threshold:1},timer:null,handler:function(t,e){switch(t.eventType){case n.EVENT_START:clearTimeout(this.timer),n.detection.current.name=this.name,this.timer=setTimeout(function(){"hold"==n.detection.current.name&&e.trigger("hold",t)},e.options.hold_timeout);break;case n.EVENT_MOVE:t.distance>e.options.hold_threshold&&clearTimeout(this.timer);break;case n.EVENT_END:clearTimeout(this.timer)}}},n.gestures.Tap={name:"tap",index:100,defaults:{tap_max_touchtime:250,tap_max_distance:10,tap_always:!0,doubletap_distance:20,doubletap_interval:300},handler:function(t,e){if(t.eventType==n.EVENT_END){var i=n.detection.previous,s=!1;if(t.deltaTime>e.options.tap_max_touchtime||t.distance>e.options.tap_max_distance)return;i&&"tap"==i.name&&t.timeStamp-i.lastEvent.timeStamp0&&t.touches.length>e.options.swipe_max_touches)return;(t.velocityX>e.options.swipe_velocity||t.velocityY>e.options.swipe_velocity)&&(e.trigger(this.name,t),e.trigger(this.name+t.direction,t))}}},n.gestures.Drag={name:"drag",index:50,defaults:{drag_min_distance:10,drag_max_touches:1,drag_block_horizontal:!1,drag_block_vertical:!1,drag_lock_to_axis:!1,drag_lock_min_distance:25},triggered:!1,handler:function(t,e){if(n.detection.current.name!=this.name&&this.triggered)return e.trigger(this.name+"end",t),void(this.triggered=!1);if(!(e.options.drag_max_touches>0&&t.touches.length>e.options.drag_max_touches))switch(t.eventType){case n.EVENT_START:this.triggered=!1;break;case n.EVENT_MOVE:if(t.distancee.options.transform_min_rotation&&e.trigger("rotate",t),i>e.options.transform_min_scale&&(e.trigger("pinch",t),e.trigger("pinch"+(t.scale<1?"in":"out"),t));break;case n.EVENT_END:this.triggered&&e.trigger(this.name+"end",t),this.triggered=!1}}},n.gestures.Touch={name:"touch",index:-1/0,defaults:{prevent_default:!1,prevent_mouseevents:!1},handler:function(t,e){return e.options.prevent_mouseevents&&t.pointerType==n.POINTER_MOUSE?void t.stopDetect():(e.options.prevent_default&&t.preventDefault(),void(t.eventType==n.EVENT_START&&e.trigger(this.name,t)))}},n.gestures.Release={name:"release",index:1/0,handler:function(t,e){t.eventType==n.EVENT_END&&e.trigger(this.name,t)}},"object"==typeof e&&"object"==typeof e.exports?e.exports=n:(t.Hammer=n,"function"==typeof t.define&&t.define.amd&&t.define("hammer",[],function(){return n}))}(this)},{}],4:[function(t,e){var i="undefined"!=typeof self?self:"undefined"!=typeof window?window:{};(function(s){function 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-var data = new vis.DataSet(options)
+var data = new vis.DataSet([data] [, options])

@@ -116,6 +116,11 @@ var data = new vis.DataSet(options) Data Manipulation.

+

+ The parameter datacode> is optional and can be an Array or + Google DataTable with items. +

+

The parameter options is optional and is an object which can contain the following properties: diff --git a/docs/timeline.html b/docs/timeline.html index 70243349..8a664610 100644 --- a/docs/timeline.html +++ b/docs/timeline.html @@ -456,6 +456,7 @@ var options = { + orientation @@ -483,8 +485,7 @@ var options = { 

 .vis.timeline .item {
   padding: 10px;
-}
-
+} diff --git a/examples/timeline/03_much_data.html b/examples/timeline/03_much_data.html index dcbdf3e1..b4339928 100644 --- a/examples/timeline/03_much_data.html +++ b/examples/timeline/03_much_data.html @@ -22,7 +22,7 @@

- +

diff --git a/examples/timeline/05_groups.html b/examples/timeline/05_groups.html index a103d1a3..982cb7fd 100644 --- a/examples/timeline/05_groups.html +++ b/examples/timeline/05_groups.html @@ -60,7 +60,7 @@ // create visualization var container = document.getElementById('visualization'); var options = { - groupOrder: 'content' + groupOrder: 'content' // groupOrder can be a property name or a sorting function }; var timeline = new vis.Timeline(container); diff --git a/examples/timeline/08_edit_items.html b/examples/timeline/08_edit_items.html index fe431ce9..a8c1bd88 100644 --- a/examples/timeline/08_edit_items.html +++ b/examples/timeline/08_edit_items.html @@ -18,8 +18,7 @@
+ + + +

+ This example demonstrate custom ordering of groups. +

+
+ + + + \ No newline at end of file diff --git a/examples/timeline/10_limit_move_and_zoom.html b/examples/timeline/10_limit_move_and_zoom.html new file mode 100644 index 00000000..a2b8504e --- /dev/null +++ b/examples/timeline/10_limit_move_and_zoom.html @@ -0,0 +1,51 @@ + + + + Timeline | Limit move and zoom + + + + + + + +

+ The visible range is limited in this demo: +

+
    +
  • minimum visible date is limited to 2012-01-01 using option min
    • +
  • maximum visible date is limited to 2013-01-01 (excluded) using option max
    • +
  • visible zoom interval is limited to a minimum of 24 hours using option zoomMin
    • +
  • visible zoom interval is limited to a maximum of about 3 months using option zoomMax
    • +
+
+ + + + \ No newline at end of file diff --git a/examples/timeline/index.html b/examples/timeline/index.html index 4017ec88..5d8f7bd9 100644 --- a/examples/timeline/index.html +++ b/examples/timeline/index.html @@ -20,6 +20,10 @@

06_event_listeners.html

07_custom_time_bar.html

08_edit_items.html

+

09_order_groups.html

+

10_limit_range_and_zoom.html

+ +

requirejs_example.html

diff --git a/package.json b/package.json index da0a30c3..b07cde8b 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "vis", - "version": "0.7.4-SNAPSHOT", + "version": "0.7.5-SNAPSHOT", "description": "A dynamic, browser-based visualization library.", "homepage": "http://visjs.org/", "repository": { diff --git a/src/DataSet.js b/src/DataSet.js index 719482b6..a7b95d04 100644 --- a/src/DataSet.js +++ b/src/DataSet.js @@ -26,6 +26,7 @@ * - 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. @@ -35,9 +36,15 @@ * @constructor DataSet */ // TODO: add a DataSet constructor DataSet(data, options) -function DataSet (options) { +function DataSet (data, options) { this.id = util.randomUUID(); + // correctly read optional arguments + if (data && !Array.isArray(data) && !util.isDataTable(data)) { + options = data; + data = null; + } + this.options = options || {}; this.data = {}; // map with data indexed by id this.fieldId = this.options.fieldId || 'id'; // name of the field containing id @@ -58,10 +65,13 @@ function DataSet (options) { } } - // event subscribers - this.subscribers = {}; + this.subscribers = {}; // event subscribers + this.internalIds = {}; // internally generated id's - this.internalIds = {}; // internally generated id's + // add initial data when provided + if (data) { + this.add(data); + } } /** diff --git a/src/module/exports.js b/src/module/exports.js index b53f3e5e..a2f25d6e 100644 --- a/src/module/exports.js +++ b/src/module/exports.js @@ -4,7 +4,6 @@ var vis = { util: util, - Controller: Controller, DataSet: DataSet, DataView: DataView, Range: Range, diff --git a/src/timeline/Controller.js b/src/timeline/Controller.js deleted file mode 100644 index d4760782..00000000 --- a/src/timeline/Controller.js +++ /dev/null @@ -1,183 +0,0 @@ -/** - * @constructor Controller - * - * A Controller controls the reflows and repaints of all components, - * and is used as an event bus for all components. - */ -function Controller () { - var me = this; - - this.id = util.randomUUID(); - this.components = {}; - - /** - * Listen for a 'request-reflow' event. The controller will schedule a reflow - * @param {Boolean} [force] If true, an immediate reflow is forced. Default - * is false. - */ - var reflowTimer = null; - this.on('request-reflow', function requestReflow(force) { - if (force) { - me.reflow(); - } - else { - if (!reflowTimer) { - reflowTimer = setTimeout(function () { - reflowTimer = null; - me.reflow(); - }, 0); - } - } - }); - - /** - * Request a repaint. The controller will schedule a repaint - * @param {Boolean} [force] If true, an immediate repaint is forced. Default - * is false. - */ - var repaintTimer = null; - this.on('request-repaint', function requestRepaint(force) { - if (force) { - me.repaint(); - } - else { - if (!repaintTimer) { - repaintTimer = setTimeout(function () { - repaintTimer = null; - me.repaint(); - }, 0); - } - } - }); -} - -// Extend controller with Emitter mixin -Emitter(Controller.prototype); - -/** - * Add a component to the controller - * @param {Component} component - */ -Controller.prototype.add = function add(component) { - // validate the component - if (component.id == undefined) { - throw new Error('Component has no field id'); - } - if (!(component instanceof Component) && !(component instanceof Controller)) { - throw new TypeError('Component must be an instance of ' + - 'prototype Component or Controller'); - } - - // add the component - component.setController(this); - this.components[component.id] = component; -}; - -/** - * Remove a component from the controller - * @param {Component | String} component - */ -Controller.prototype.remove = function remove(component) { - var id; - for (id in this.components) { - if (this.components.hasOwnProperty(id)) { - if (id == component || this.components[id] === component) { - break; - } - } - } - - if (id) { - // unregister the controller (gives the component the ability to unregister - // event listeners and clean up other stuff) - this.components[id].setController(null); - - delete this.components[id]; - } -}; - -/** - * Repaint all components - */ -Controller.prototype.repaint = function repaint() { - var changed = false; - - // cancel any running repaint request - if (this.repaintTimer) { - clearTimeout(this.repaintTimer); - this.repaintTimer = undefined; - } - - var done = {}; - - function repaint(component, id) { - if (!(id in done)) { - // first repaint the components on which this component is dependent - if (component.depends) { - component.depends.forEach(function (dep) { - repaint(dep, dep.id); - }); - } - if (component.parent) { - repaint(component.parent, component.parent.id); - } - - // repaint the component itself and mark as done - changed = component.repaint() || changed; - done[id] = true; - } - } - - util.forEach(this.components, repaint); - - this.emit('repaint'); - - // immediately reflow when needed - if (changed) { - this.reflow(); - } - // TODO: limit the number of nested reflows/repaints, prevent loop -}; - -/** - * Reflow all components - */ -Controller.prototype.reflow = function reflow() { - var resized = false; - - // cancel any running repaint request - if (this.reflowTimer) { - clearTimeout(this.reflowTimer); - this.reflowTimer = undefined; - } - - var done = {}; - - function reflow(component, id) { - if (!(id in done)) { - // first reflow the components on which this component is dependent - if (component.depends) { - component.depends.forEach(function (dep) { - reflow(dep, dep.id); - }); - } - if (component.parent) { - reflow(component.parent, component.parent.id); - } - - // reflow the component itself and mark as done - resized = component.reflow() || resized; - done[id] = true; - } - } - - util.forEach(this.components, reflow); - - this.emit('reflow'); - - // immediately repaint when needed - if (resized) { - this.repaint(); - } - // TODO: limit the number of nested reflows/repaints, prevent loop -}; diff --git a/src/timeline/Range.js b/src/timeline/Range.js index 328eb2c4..d962cc72 100644 --- a/src/timeline/Range.js +++ b/src/timeline/Range.js @@ -3,20 +3,39 @@ * 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 {Object} [options] See description at Range.setOptions - * @extends Controller + * @param {RootPanel} root Root panel, used to subscribe to events + * @param {Panel} parent Parent panel, used to attach to the DOM + * @param {Object} [options] See description at Range.setOptions */ -function Range(options) { +function Range(root, parent, options) { this.id = util.randomUUID(); this.start = null; // Number this.end = null; // Number + this.root = root; + this.parent = parent; this.options = options || {}; + // drag listeners for dragging + this.root.on('dragstart', this._onDragStart.bind(this)); + this.root.on('drag', this._onDrag.bind(this)); + this.root.on('dragend', this._onDragEnd.bind(this)); + + // ignore dragging when holding + this.root.on('hold', this._onHold.bind(this)); + + // mouse wheel for zooming + this.root.on('mousewheel', this._onMouseWheel.bind(this)); + this.root.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF + + // pinch to zoom + this.root.on('touch', this._onTouch.bind(this)); + this.root.on('pinch', this._onPinch.bind(this)); + this.setOptions(options); } -// extend the Range prototype with an event emitter mixin +// turn Range into an event emitter Emitter(Range.prototype); /** @@ -49,59 +68,6 @@ function validateDirection (direction) { } } -/** - * Add listeners for mouse and touch events to the component - * @param {Controller} controller - * @param {Component} component Should be a rootpanel - * @param {String} event Available events: 'move', 'zoom' - * @param {String} direction Available directions: 'horizontal', 'vertical' - */ -Range.prototype.subscribe = function (controller, component, event, direction) { - var me = this; - - if (event == 'move') { - // drag start listener - controller.on('dragstart', function (event) { - me._onDragStart(event, component); - }); - - // drag listener - controller.on('drag', function (event) { - me._onDrag(event, component, direction); - }); - - // drag end listener - controller.on('dragend', function (event) { - me._onDragEnd(event, component); - }); - - // ignore dragging when holding - controller.on('hold', function (event) { - me._onHold(); - }); - } - else if (event == 'zoom') { - // mouse wheel - function mousewheel (event) { - me._onMouseWheel(event, component, direction); - } - controller.on('mousewheel', mousewheel); - controller.on('DOMMouseScroll', mousewheel); // For FF - - // pinch - controller.on('touch', function (event) { - me._onTouch(event); - }); - controller.on('pinch', function (event) { - me._onPinch(event, component, direction); - }); - } - else { - throw new TypeError('Unknown event "' + event + '". ' + - 'Choose "move" or "zoom".'); - } -}; - /** * Set a new start and end range * @param {Number} [start] @@ -111,8 +77,8 @@ Range.prototype.setRange = function(start, end) { var changed = this._applyRange(start, end); if (changed) { var params = { - start: this.start, - end: this.end + start: new Date(this.start), + end: new Date(this.end) }; this.emit('rangechange', params); this.emit('rangechanged', params); @@ -280,10 +246,9 @@ var touchParams = {}; /** * Start dragging horizontally or vertically * @param {Event} event - * @param {Object} component * @private */ -Range.prototype._onDragStart = function(event, component) { +Range.prototype._onDragStart = 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 (touchParams.ignore) return; @@ -293,7 +258,7 @@ Range.prototype._onDragStart = function(event, component) { touchParams.start = this.start; touchParams.end = this.end; - var frame = component.frame; + var frame = this.parent.frame; if (frame) { frame.style.cursor = 'move'; } @@ -302,11 +267,10 @@ Range.prototype._onDragStart = function(event, component) { /** * Perform dragging operating. * @param {Event} event - * @param {Component} component - * @param {String} direction 'horizontal' or 'vertical' * @private */ -Range.prototype._onDrag = function (event, component, direction) { +Range.prototype._onDrag = function (event) { + var direction = this.options.direction; validateDirection(direction); // TODO: reckon with option movable @@ -318,38 +282,37 @@ Range.prototype._onDrag = function (event, component, direction) { var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY, interval = (touchParams.end - touchParams.start), - width = (direction == 'horizontal') ? component.width : component.height, + width = (direction == 'horizontal') ? this.parent.width : this.parent.height, diffRange = -delta / width * interval; this._applyRange(touchParams.start + diffRange, touchParams.end + diffRange); this.emit('rangechange', { - start: this.start, - end: this.end + start: new Date(this.start), + end: new Date(this.end) }); }; /** * Stop dragging operating. * @param {event} event - * @param {Component} component * @private */ -Range.prototype._onDragEnd = function (event, component) { +Range.prototype._onDragEnd = 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 (touchParams.ignore) return; // TODO: reckon with option movable - if (component.frame) { - component.frame.style.cursor = 'auto'; + if (this.parent.frame) { + this.parent.frame.style.cursor = 'auto'; } // fire a rangechanged event this.emit('rangechanged', { - start: this.start, - end: this.end + start: new Date(this.start), + end: new Date(this.end) }); }; @@ -357,13 +320,9 @@ Range.prototype._onDragEnd = function (event, component) { * Event handler for mouse wheel event, used to zoom * Code from http://adomas.org/javascript-mouse-wheel/ * @param {Event} event - * @param {Component} component - * @param {String} direction 'horizontal' or 'vertical' * @private */ -Range.prototype._onMouseWheel = function(event, component, direction) { - validateDirection(direction); - +Range.prototype._onMouseWheel = function(event) { // TODO: reckon with option zoomable // retrieve delta @@ -394,8 +353,8 @@ Range.prototype._onMouseWheel = function(event, component, direction) { // calculate center, the date to zoom around var gesture = util.fakeGesture(this, event), - pointer = getPointer(gesture.center, component.frame), - pointerDate = this._pointerToDate(component, direction, pointer); + pointer = getPointer(gesture.center, this.parent.frame), + pointerDate = this._pointerToDate(pointer); this.zoom(scale, pointerDate); } @@ -434,24 +393,23 @@ Range.prototype._onHold = function () { /** * Handle pinch event * @param {Event} event - * @param {Component} component - * @param {String} direction 'horizontal' or 'vertical' * @private */ -Range.prototype._onPinch = function (event, component, direction) { +Range.prototype._onPinch = function (event) { + var direction = this.options.direction; touchParams.ignore = true; // TODO: reckon with option zoomable if (event.gesture.touches.length > 1) { if (!touchParams.center) { - touchParams.center = getPointer(event.gesture.center, component.frame); + touchParams.center = getPointer(event.gesture.center, this.parent.frame); } var scale = 1 / event.gesture.scale, - initDate = this._pointerToDate(component, direction, touchParams.center), - center = getPointer(event.gesture.center, component.frame), - date = this._pointerToDate(component, direction, center), + initDate = this._pointerToDate(touchParams.center), + center = getPointer(event.gesture.center, this.parent.frame), + date = this._pointerToDate(this.parent, center), delta = date - initDate; // TODO: utilize delta // calculate new start and end @@ -465,21 +423,23 @@ Range.prototype._onPinch = function (event, component, direction) { /** * Helper function to calculate the center date for zooming - * @param {Component} component * @param {{x: Number, y: Number}} pointer - * @param {String} direction 'horizontal' or 'vertical' * @return {number} date * @private */ -Range.prototype._pointerToDate = function (component, direction, pointer) { +Range.prototype._pointerToDate = function (pointer) { var conversion; + var direction = this.options.direction; + + validateDirection(direction); + if (direction == 'horizontal') { - var width = component.width; + var width = this.parent.width; conversion = this.conversion(width); return pointer.x / conversion.scale + conversion.offset; } else { - var height = component.height; + var height = this.parent.height; conversion = this.conversion(height); return pointer.y / conversion.scale + conversion.offset; } diff --git a/src/timeline/Stack.js b/src/timeline/Stack.js index a551ece0..57a2ef66 100644 --- a/src/timeline/Stack.js +++ b/src/timeline/Stack.js @@ -1,18 +1,16 @@ +// TODO: turn Stack into a Mixin? + /** * @constructor Stack * Stacks items on top of each other. - * @param {ItemSet} itemset * @param {Object} [options] */ -function Stack (itemset, options) { - this.itemset = itemset; - +function Stack (options) { this.options = options || {}; this.defaultOptions = { order: function (a, b) { - //return (b.width - a.width) || (a.left - b.left); // TODO: cleanup - // Order: ranges over non-ranges, ranged ordered by width, and - // lastly ordered by start. + // Order: ranges over non-ranges, ranged ordered by width, + // and non-ranges ordered by start. if (a instanceof ItemRange) { if (b instanceof ItemRange) { var aInt = (a.data.end - a.data.start); @@ -33,141 +31,122 @@ function Stack (itemset, options) { } }, margin: { - item: 10 + item: 10, + axis: 20 } }; - - this.ordered = []; // ordered items } /** * Set options for the stack * @param {Object} options Available options: - * {ItemSet} itemset - * {Number} margin - * {function} order Stacking order + * {Number} [margin.item=10] + * {Number} [margin.axis=20] + * {function} [order] Stacking order */ Stack.prototype.setOptions = function setOptions (options) { util.extend(this.options, options); - - // TODO: register on data changes at the connected itemset, and update the changed part only and immediately }; /** - * Stack the items such that they don't overlap. The items will have a minimal - * distance equal to options.margin.item. + * Order an array with items using a predefined order function for items + * @param {Item[]} items */ -Stack.prototype.update = function update() { - this._order(); - this._stack(); +Stack.prototype.order = function order(items) { + //order the items + var order = this.options.order || this.defaultOptions.order; + if (!(typeof order === 'function')) { + throw new Error('Option order must be a function'); + } + items.sort(order); }; /** - * Order the items. If a custom order function has been provided via the options, - * then this will be used. - * @private + * Order items by their start data + * @param {Item[]} items */ -Stack.prototype._order = function _order () { - var items = this.itemset.items; - if (!items) { - throw new Error('Cannot stack items: ItemSet does not contain items'); - } - - // TODO: store the sorted items, to have less work later on - var ordered = []; - var index = 0; - // items is a map (no array) - util.forEach(items, function (item) { - if (item.visible) { - ordered[index] = item; - index++; - } +Stack.prototype.orderByStart = function orderByStart(items) { + items.sort(function (a, b) { + return a.data.start - b.data.start; }); +}; - //if a customer stack order function exists, use it. - var order = this.options.order || this.defaultOptions.order; - if (!(typeof order === 'function')) { - throw new Error('Option order must be a function'); - } - - ordered.sort(order); +/** + * Order items by their end date. If they have no end date, their start date + * is used. + * @param {Item[]} items + */ +Stack.prototype.orderByEnd = function orderByEnd(items) { + items.sort(function (a, b) { + var aTime = ('end' in a.data) ? a.data.end : a.data.start, + bTime = ('end' in b.data) ? b.data.end : b.data.start; - this.ordered = ordered; + return aTime - bTime; + }); }; /** * Adjust vertical positions of the events such that they don't overlap each * other. + * @param {Item[]} items All visible items + * @param {boolean} [force=false] If true, all items will be re-stacked. + * If false (default), only items having a + * top===null will be re-stacked * @private */ -Stack.prototype._stack = function _stack () { +Stack.prototype.stack = function stack (items, force) { var i, iMax, - ordered = this.ordered, options = this.options, - orientation = options.orientation || this.defaultOptions.orientation, - axisOnTop = (orientation == 'top'), - margin; + marginItem, + marginAxis; if (options.margin && options.margin.item !== undefined) { - margin = options.margin.item; + marginItem = options.margin.item; } else { - margin = this.defaultOptions.margin.item + marginItem = this.defaultOptions.margin.item + } + if (options.margin && options.margin.axis !== undefined) { + marginAxis = options.margin.axis; + } + else { + marginAxis = this.defaultOptions.margin.axis } - // calculate new, non-overlapping positions - for (i = 0, iMax = ordered.length; i < iMax; i++) { - var item = ordered[i]; - var collidingItem = null; - 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 - collidingItem = this.checkOverlap(ordered, i, 0, i - 1, margin); - if (collidingItem != null) { - // There is a collision. Reposition the event above the colliding element - if (axisOnTop) { - item.top = collidingItem.top + collidingItem.height + margin; - } - else { - item.top = collidingItem.top - item.height - margin; - } - } - } while (collidingItem); + if (force) { + // reset top position of all items + for (i = 0, iMax = items.length; i < iMax; i++) { + items[i].top = null; + } } -}; -/** - * Check if the destiny position of given item overlaps with any - * of the other items from index itemStart to itemEnd. - * @param {Array} items Array with items - * @param {int} itemIndex Number of the item to be checked for overlap - * @param {int} itemStart First item to be checked. - * @param {int} itemEnd Last item to be checked. - * @return {Object | null} colliding item, or undefined when no collisions - * @param {Number} margin A minimum required margin. - * If margin is provided, the two items will be - * marked colliding when they overlap or - * when the margin between the two is smaller than - * the requested margin. - */ -Stack.prototype.checkOverlap = function checkOverlap (items, itemIndex, - itemStart, itemEnd, margin) { - var collision = this.collision; + // calculate new, non-overlapping positions + for (i = 0, iMax = items.length; i < iMax; i++) { + var item = items[i]; + if (item.top === null) { + // initialize top position + item.top = marginAxis; + + 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 && this.collision(item, other, marginItem)) { + collidingItem = other; + break; + } + } - // we loop from end to start, as we suppose that the chance of a - // collision is larger for items at the end, so check these first. - var a = items[itemIndex]; - for (var i = itemEnd; i >= itemStart; i--) { - var b = items[i]; - if (collision(a, b, margin)) { - if (i != itemIndex) { - return b; - } + if (collidingItem != null) { + // There is a collision. Reposition the event above the colliding element + item.top = collidingItem.top + collidingItem.height + marginItem; + } + } while (collidingItem); } } - - return null; }; /** diff --git a/src/timeline/Timeline.js b/src/timeline/Timeline.js index 497bd54e..6ba4bb54 100644 --- a/src/timeline/Timeline.js +++ b/src/timeline/Timeline.js @@ -6,10 +6,14 @@ * @constructor */ function Timeline (container, items, options) { + // validate arguments + if (!container) throw new Error('No container element provided'); + var me = this; var now = moment().hours(0).minutes(0).seconds(0).milliseconds(0); this.options = { orientation: 'bottom', + direction: 'horizontal', // 'horizontal' or 'vertical' autoResize: true, editable: false, selectable: true, @@ -27,6 +31,14 @@ function Timeline (container, items, options) { showCurrentTime: false, showCustomTime: false, + type: 'box', + align: 'center', + margin: { + axis: 20, + item: 10 + }, + padding: 5, + onAdd: function (item, callback) { callback(item); }, @@ -38,109 +50,194 @@ function Timeline (container, items, options) { }, onRemove: function (item, callback) { callback(item); - } - }; + }, - // controller - this.controller = new Controller(); + toScreen: me._toScreen.bind(me), + toTime: me._toTime.bind(me) + }; // root panel - if (!container) { - throw new Error('No container element provided'); - } - var rootOptions = Object.create(this.options); - rootOptions.height = function () { - // TODO: change to height - if (me.options.height) { - // fixed height - return me.options.height; - } - else { - // auto height - return (me.timeaxis.height + me.content.height) + 'px'; + var rootOptions = util.extend(Object.create(this.options), { + height: function () { + if (me.options.height) { + // fixed height + return me.options.height; + } + else { + // auto height + // TODO: implement a css based solution to automatically have the right hight + return (me.timeAxis.height + me.contentPanel.height) + 'px'; + } } - }; + }); this.rootPanel = new RootPanel(container, rootOptions); - this.controller.add(this.rootPanel); // single select (or unselect) when tapping an item - this.controller.on('tap', this._onSelectItem.bind(this)); + this.rootPanel.on('tap', this._onSelectItem.bind(this)); // multi select when holding mouse/touch, or on ctrl+click - this.controller.on('hold', this._onMultiSelectItem.bind(this)); + this.rootPanel.on('hold', this._onMultiSelectItem.bind(this)); // add item on doubletap - this.controller.on('doubletap', this._onAddItem.bind(this)); + this.rootPanel.on('doubletap', this._onAddItem.bind(this)); - // item panel - var itemOptions = Object.create(this.options); - itemOptions.left = function () { - return me.labelPanel.width; - }; - itemOptions.width = function () { - return me.rootPanel.width - me.labelPanel.width; - }; - itemOptions.top = null; - itemOptions.height = null; - this.itemPanel = new Panel(this.rootPanel, [], itemOptions); - this.controller.add(this.itemPanel); - - // label panel - var labelOptions = Object.create(this.options); - labelOptions.top = null; - labelOptions.left = null; - labelOptions.height = null; - labelOptions.width = function () { - if (me.content && typeof me.content.getLabelsWidth === 'function') { - return me.content.getLabelsWidth(); - } - else { - return 0; + // side panel + var sideOptions = util.extend(Object.create(this.options), { + top: function () { + return (sideOptions.orientation == 'top') ? '0' : ''; + }, + bottom: function () { + return (sideOptions.orientation == 'top') ? '' : '0'; + }, + left: '0', + right: null, + height: '100%', + width: function () { + if (me.groupSet) { + return me.groupSet.getLabelsWidth(); + } + else { + return 0; + } + }, + className: function () { + return 'side' + (me.groupsData ? '' : ' hidden'); } - }; - this.labelPanel = new Panel(this.rootPanel, [], labelOptions); - this.controller.add(this.labelPanel); + }); + this.sidePanel = new Panel(sideOptions); + this.rootPanel.appendChild(this.sidePanel); + + // main panel (contains time axis and itemsets) + var mainOptions = util.extend(Object.create(this.options), { + left: function () { + // we align left to enable a smooth resizing of the window + return me.sidePanel.width; + }, + right: null, + height: '100%', + width: function () { + return me.rootPanel.width - me.sidePanel.width; + }, + className: 'main' + }); + this.mainPanel = new Panel(mainOptions); + this.rootPanel.appendChild(this.mainPanel); // range + // TODO: move range inside rootPanel? var rangeOptions = Object.create(this.options); - this.range = new Range(rangeOptions); + this.range = new Range(this.rootPanel, this.mainPanel, rangeOptions); this.range.setRange( now.clone().add('days', -3).valueOf(), now.clone().add('days', 4).valueOf() ); - - this.range.subscribe(this.controller, this.rootPanel, 'move', 'horizontal'); - this.range.subscribe(this.controller, this.rootPanel, 'zoom', 'horizontal'); this.range.on('rangechange', function (properties) { - var force = true; - me.controller.emit('rangechange', properties); - me.controller.emit('request-reflow', force); + me.rootPanel.repaint(); + me.emit('rangechange', properties); }); this.range.on('rangechanged', function (properties) { - var force = true; - me.controller.emit('rangechanged', properties); - me.controller.emit('request-reflow', force); + me.rootPanel.repaint(); + me.emit('rangechanged', properties); + }); + + // panel with time axis + var timeAxisOptions = util.extend(Object.create(rootOptions), { + range: this.range, + left: null, + top: null, + width: null, + height: null + }); + this.timeAxis = new TimeAxis(timeAxisOptions); + this.timeAxis.setRange(this.range); + this.options.snap = this.timeAxis.snap.bind(this.timeAxis); + this.mainPanel.appendChild(this.timeAxis); + + // content panel (contains itemset(s)) + var contentOptions = util.extend(Object.create(this.options), { + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + left: null, + right: null, + height: null, + width: null, + className: 'content' + }); + this.contentPanel = new Panel(contentOptions); + this.mainPanel.appendChild(this.contentPanel); + + // content panel (contains the vertical lines of box items) + var backgroundOptions = util.extend(Object.create(this.options), { + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + left: null, + right: null, + height: function () { + return me.contentPanel.height; + }, + width: null, + className: 'background' }); + this.backgroundPanel = new Panel(backgroundOptions); + this.mainPanel.insertBefore(this.backgroundPanel, this.contentPanel); + + // panel with axis holding the dots of item boxes + var axisPanelOptions = util.extend(Object.create(rootOptions), { + left: 0, + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + width: '100%', + height: 0, + className: 'axis' + }); + this.axisPanel = new Panel(axisPanelOptions); + this.mainPanel.appendChild(this.axisPanel); - // time axis - var timeaxisOptions = Object.create(rootOptions); - timeaxisOptions.range = this.range; - timeaxisOptions.left = null; - timeaxisOptions.top = null; - timeaxisOptions.width = '100%'; - timeaxisOptions.height = null; - this.timeaxis = new TimeAxis(this.itemPanel, [], timeaxisOptions); - this.timeaxis.setRange(this.range); - this.controller.add(this.timeaxis); - this.options.snap = this.timeaxis.snap.bind(this.timeaxis); + // content panel (contains itemset(s)) + var sideContentOptions = util.extend(Object.create(this.options), { + top: function () { + return (me.options.orientation == 'top') ? (me.timeAxis.height + 'px') : ''; + }, + bottom: function () { + return (me.options.orientation == 'top') ? '' : (me.timeAxis.height + 'px'); + }, + left: null, + right: null, + height: null, + width: null, + className: 'side-content' + }); + this.sideContentPanel = new Panel(sideContentOptions); + this.sidePanel.appendChild(this.sideContentPanel); // current time bar - this.currenttime = new CurrentTime(this.timeaxis, [], rootOptions); - this.controller.add(this.currenttime); + // Note: time bar will be attached in this.setOptions when selected + this.currentTime = new CurrentTime(this.range, rootOptions); // custom time bar - this.customtime = new CustomTime(this.timeaxis, [], rootOptions); - this.controller.add(this.customtime); + // Note: time bar will be attached in this.setOptions when selected + this.customTime = new CustomTime(rootOptions); + this.customTime.on('timechange', function (time) { + me.emit('timechange', time); + }); + this.customTime.on('timechanged', function (time) { + me.emit('timechanged', time); + }); + + this.itemSet = null; + this.groupSet = null; // create groupset this.setGroups(null); @@ -159,24 +256,8 @@ function Timeline (container, items, options) { } } -/** - * Add an event listener to the timeline - * @param {String} event Available events: select, rangechange, rangechanged, - * timechange, timechanged - * @param {function} callback - */ -Timeline.prototype.on = function on (event, callback) { - this.controller.on(event, callback); -}; - -/** - * Add an event listener from the timeline - * @param {String} event - * @param {function} callback - */ -Timeline.prototype.off = function off (event, callback) { - this.controller.off(event, callback); -}; +// turn Timeline into an event emitter +Emitter(Timeline.prototype); /** * Set options @@ -208,8 +289,39 @@ Timeline.prototype.setOptions = function (options) { }).bind(this); ['onAdd', 'onUpdate', 'onRemove', 'onMove'].forEach(validateCallback); - this.controller.reflow(); - this.controller.repaint(); + // add/remove the current time bar + if (this.options.showCurrentTime) { + if (!this.mainPanel.hasChild(this.currentTime)) { + this.mainPanel.appendChild(this.currentTime); + this.currentTime.start(); + } + } + else { + if (this.mainPanel.hasChild(this.currentTime)) { + this.currentTime.stop(); + this.mainPanel.removeChild(this.currentTime); + } + } + + // add/remove the custom time bar + if (this.options.showCustomTime) { + if (!this.mainPanel.hasChild(this.customTime)) { + this.mainPanel.appendChild(this.customTime); + } + } + else { + if (this.mainPanel.hasChild(this.customTime)) { + this.mainPanel.removeChild(this.customTime); + } + } + + // 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.'); + } + + // repaint everything + this.rootPanel.repaint(); }; /** @@ -217,11 +329,11 @@ Timeline.prototype.setOptions = function (options) { * @param {Date} time */ Timeline.prototype.setCustomTime = function (time) { - if (!this.customtime) { + if (!this.customTime) { throw new Error('Cannot get custom time: Custom time bar is not enabled'); } - this.customtime.setCustomTime(time); + this.customTime.setCustomTime(time); }; /** @@ -229,11 +341,11 @@ Timeline.prototype.setCustomTime = function (time) { * @return {Date} customTime */ Timeline.prototype.getCustomTime = function() { - if (!this.customtime) { + if (!this.customTime) { throw new Error('Cannot get custom time: Custom time bar is not enabled'); } - return this.customtime.getCustomTime(); + return this.customTime.getCustomTime(); }; /** @@ -263,7 +375,7 @@ Timeline.prototype.setItems = function(items) { // set items this.itemsData = newDataSet; - this.content.setItems(newDataSet); + (this.itemSet || this.groupSet).setItems(newDataSet); if (initialLoad && (this.options.start == undefined || this.options.end == undefined)) { // apply the data range as range @@ -290,87 +402,84 @@ Timeline.prototype.setItems = function(items) { end = util.convert(this.options.end, 'Date'); } - // apply range if there is a min or max available - if (start != null || end != null) { - this.range.setRange(start, end); + // skip range set if there is no start and end date + if (start === null && end === null) { + return; } + + // if start and end dates are set but cannot be satisfyed due to zoom restrictions — correct end date + if (start != null && end != null) { + var diff = end.valueOf() - start.valueOf(); + if (this.options.zoomMax != undefined && this.options.zoomMax < diff) { + end = new Date(start.valueOf() + this.options.zoomMax); + } + if (this.options.zoomMin != undefined && this.options.zoomMin > diff) { + end = new Date(start.valueOf() + this.options.zoomMin); + } + } + + this.range.setRange(start, end); } }; /** * Set groups - * @param {vis.DataSet | Array | google.visualization.DataTable} groups + * @param {vis.DataSet | Array | google.visualization.DataTable} groupSet */ -Timeline.prototype.setGroups = function(groups) { +Timeline.prototype.setGroups = function(groupSet) { var me = this; - this.groupsData = groups; - - // switch content type between ItemSet or GroupSet when needed - var Type = this.groupsData ? GroupSet : ItemSet; - if (!(this.content instanceof Type)) { - // remove old content set - if (this.content) { - this.content.hide(); - if (this.content.setItems) { - this.content.setItems(); // disconnect from items - } - if (this.content.setGroups) { - this.content.setGroups(); // disconnect from groups - } - this.controller.remove(this.content); - } + this.groupsData = groupSet; + + // create options for the itemset or groupset + var options = util.extend(Object.create(this.options), { + top: null, + bottom: null, + right: null, + left: null, + width: null, + height: null + }); - // create new content set - var options = Object.create(this.options); - util.extend(options, { - top: function () { - if (me.options.orientation == 'top') { - return me.timeaxis.height; - } - else { - return me.itemPanel.height - me.timeaxis.height - me.content.height; - } - }, - left: null, - width: '100%', - height: function () { - if (me.options.height) { - // fixed height - return me.itemPanel.height - me.timeaxis.height; - } - else { - // auto height - return null; - } - }, - maxHeight: function () { - // TODO: change maxHeight to be a css string like '100%' or '300px' - if (me.options.maxHeight) { - if (!util.isNumber(me.options.maxHeight)) { - throw new TypeError('Number expected for property maxHeight'); - } - return me.options.maxHeight - me.timeaxis.height; - } - else { - return null; - } - }, - labelContainer: function () { - return me.labelPanel.getContainer(); - } - }); + if (this.groupsData) { + // Create a GroupSet - this.content = new Type(this.itemPanel, [this.timeaxis], options); - if (this.content.setRange) { - this.content.setRange(this.range); + // remove itemset if existing + if (this.itemSet) { + this.itemSet.hide(); // TODO: not so nice having to hide here + this.contentPanel.removeChild(this.itemSet); + this.itemSet.setItems(); // disconnect from itemset + this.itemSet = null; } - if (this.content.setItems) { - this.content.setItems(this.itemsData); + + // create new GroupSet when needed + if (!this.groupSet) { + this.groupSet = new GroupSet(this.contentPanel, this.sideContentPanel, this.backgroundPanel, this.axisPanel, options); + this.groupSet.on('change', this.rootPanel.repaint.bind(this.rootPanel)); + this.groupSet.setRange(this.range); + this.groupSet.setItems(this.itemsData); + this.groupSet.setGroups(this.groupsData); + this.contentPanel.appendChild(this.groupSet); } - if (this.content.setGroups) { - this.content.setGroups(this.groupsData); + else { + this.groupSet.setGroups(this.groupsData); } - this.controller.add(this.content); + } + else { + // ItemSet + if (this.groupSet) { + this.groupSet.hide(); // TODO: not so nice having to hide here + //this.groupSet.setGroups(); // disconnect from groupset + this.groupSet.setItems(); // disconnect from itemset + this.contentPanel.removeChild(this.groupSet); + this.groupSet = null; + } + + // create new items + this.itemSet = new ItemSet(this.backgroundPanel, this.axisPanel, options); + this.itemSet.setRange(this.range); + this.itemSet.setItems(this.itemsData); + this.itemSet.on('change', me.rootPanel.repaint.bind(me.rootPanel)); + this.contentPanel.appendChild(this.itemSet); } }; @@ -421,7 +530,9 @@ Timeline.prototype.getItemRange = function getItemRange() { * unselected. */ Timeline.prototype.setSelection = function setSelection (ids) { - if (this.content) this.content.setSelection(ids); + var itemOrGroupSet = (this.itemSet || this.groupSet); + + if (itemOrGroupSet) itemOrGroupSet.setSelection(ids); }; /** @@ -429,17 +540,32 @@ Timeline.prototype.setSelection = function setSelection (ids) { * @return {Array} ids The ids of the selected items */ Timeline.prototype.getSelection = function getSelection() { - return this.content ? this.content.getSelection() : []; + var itemOrGroupSet = (this.itemSet || this.groupSet); + + return itemOrGroupSet ? itemOrGroupSet.getSelection() : []; }; /** * Set the visible window. Both parameters are optional, you can change only - * start or only end. + * 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} [start] Start date of visible window * @param {Date | Number | String} [end] End date of visible window */ Timeline.prototype.setWindow = function setWindow(start, end) { - this.range.setRange(start, end); + if (arguments.length == 1) { + var range = arguments[0]; + this.range.setRange(range.start, range.end); + } + else { + this.range.setRange(start, end); + } }; /** @@ -470,14 +596,20 @@ Timeline.prototype._onSelectItem = function (event) { return; } - var item = ItemSet.itemFromTarget(event); + var oldSelection = this.getSelection(); + var item = ItemSet.itemFromTarget(event); var selection = item ? [item.id] : []; this.setSelection(selection); - this.controller.emit('select', { - items: this.getSelection() - }); + var newSelection = this.getSelection(); + + // if selection is changed, emit a select event + if (!util.equalArray(oldSelection, newSelection)) { + this.emit('select', { + items: this.getSelection() + }); + } event.stopPropagation(); }; @@ -510,7 +642,7 @@ Timeline.prototype._onAddItem = function (event) { var xAbs = vis.util.getAbsoluteLeft(this.rootPanel.frame); var x = event.gesture.center.pageX - xAbs; var newItem = { - start: this.timeaxis.snap(this._toTime(x)), + start: this.timeAxis.snap(this._toTime(x)), content: 'new item' }; @@ -526,15 +658,7 @@ Timeline.prototype._onAddItem = function (event) { this.options.onAdd(newItem, function (item) { if (item) { me.itemsData.add(newItem); - - // select the created item after it is repainted - me.controller.once('repaint', function () { - me.setSelection([id]); - - me.controller.emit('select', { - items: me.getSelection() - }); - }.bind(me)); + // TODO: need to trigger a repaint? } }); } @@ -566,7 +690,7 @@ Timeline.prototype._onMultiSelectItem = function (event) { } this.setSelection(selection); - this.controller.emit('select', { + this.emit('select', { items: this.getSelection() }); @@ -581,7 +705,7 @@ Timeline.prototype._onMultiSelectItem = function (event) { * @private */ Timeline.prototype._toTime = function _toTime(x) { - var conversion = this.range.conversion(this.content.width); + var conversion = this.range.conversion(this.mainPanel.width); return new Date(x / conversion.scale + conversion.offset); }; @@ -593,6 +717,6 @@ Timeline.prototype._toTime = function _toTime(x) { * @private */ Timeline.prototype._toScreen = function _toScreen(time) { - var conversion = this.range.conversion(this.content.width); + var conversion = this.range.conversion(this.mainPanel.width); return (time.valueOf() - conversion.offset) * conversion.scale; }; diff --git a/src/timeline/component/Component.js b/src/timeline/component/Component.js index ff6c9310..437e8015 100644 --- a/src/timeline/component/Component.js +++ b/src/timeline/component/Component.js @@ -4,17 +4,18 @@ function Component () { this.id = null; this.parent = null; - this.depends = null; - this.controller = null; + this.childs = null; this.options = null; - this.frame = null; // main DOM element this.top = 0; this.left = 0; this.width = 0; this.height = 0; } +// Turn the Component into an event emitter +Emitter(Component.prototype); + /** * Set parameters for the frame. Parameters will be merged in current parameter * set. @@ -29,10 +30,7 @@ Component.prototype.setOptions = function setOptions(options) { if (options) { util.extend(this.options, options); - if (this.controller) { - this.requestRepaint(); - this.requestReflow(); - } + this.repaint(); } }; @@ -54,46 +52,18 @@ Component.prototype.getOption = function getOption(name) { return value; }; -/** - * Set controller for this component, or remove current controller by passing - * null as parameter value. - * @param {Controller | null} controller - */ -Component.prototype.setController = function setController (controller) { - this.controller = controller || null; -}; - -/** - * Get controller of this component - * @return {Controller} controller - */ -Component.prototype.getController = function getController () { - return this.controller; -}; - -/** - * Get the container element of the component, which can be used by a child to - * add its own widgets. Not all components do have a container for childs, in - * that case null is returned. - * @returns {HTMLElement | null} container - */ -// TODO: get rid of the getContainer and getFrame methods, provide these via the options -Component.prototype.getContainer = function getContainer() { - // should be implemented by the component - return null; -}; - /** * Get the frame element of the component, the outer HTML DOM element. * @returns {HTMLElement | null} frame */ Component.prototype.getFrame = function getFrame() { - return this.frame; + // should be implemented by the component + return null; }; /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component is resized */ Component.prototype.repaint = function repaint() { // should be implemented by the component @@ -101,64 +71,16 @@ Component.prototype.repaint = function repaint() { }; /** - * Reflow the component - * @return {Boolean} resized + * Test whether the component is resized since the last time _isResized() was + * called. + * @return {Boolean} Returns true if the component is resized + * @private */ -Component.prototype.reflow = function reflow() { - // should be implemented by the component - return false; -}; +Component.prototype._isResized = function _isResized() { + var resized = (this._previousWidth !== this.width || this._previousHeight !== this.height); -/** - * Hide the component from the DOM - * @return {Boolean} changed - */ -Component.prototype.hide = function hide() { - if (this.frame && this.frame.parentNode) { - this.frame.parentNode.removeChild(this.frame); - return true; - } - else { - return false; - } -}; - -/** - * Show the component in the DOM (when not already visible). - * A repaint will be executed when the component is not visible - * @return {Boolean} changed - */ -Component.prototype.show = function show() { - if (!this.frame || !this.frame.parentNode) { - return this.repaint(); - } - else { - return false; - } -}; + this._previousWidth = this.width; + this._previousHeight = this.height; -/** - * Request a repaint. The controller will schedule a repaint - */ -Component.prototype.requestRepaint = function requestRepaint() { - if (this.controller) { - this.controller.emit('request-repaint'); - } - else { - throw new Error('Cannot request a repaint: no controller configured'); - // TODO: just do a repaint when no parent is configured? - } -}; - -/** - * Request a reflow. The controller will schedule a reflow - */ -Component.prototype.requestReflow = function requestReflow() { - if (this.controller) { - this.controller.emit('request-reflow'); - } - else { - throw new Error('Cannot request a reflow: no controller configured'); - // TODO: just do a reflow when no parent is configured? - } + return resized; }; diff --git a/src/timeline/component/ContentPanel.js b/src/timeline/component/ContentPanel.js deleted file mode 100644 index fcc27167..00000000 --- a/src/timeline/component/ContentPanel.js +++ /dev/null @@ -1,113 +0,0 @@ -/** - * A content panel can contain a groupset or an itemset, and can handle - * vertical scrolling - * @param {Component} [parent] - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) - * @param {Object} [options] Available parameters: - * {String | Number | function} [left] - * {String | Number | function} [top] - * {String | Number | function} [width] - * {String | Number | function} [height] - * {String | function} [className] - * @constructor ContentPanel - * @extends Panel - */ -function ContentPanel(parent, depends, options) { - this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; - - this.options = options || {}; -} - -ContentPanel.prototype = new Component(); - -/** - * Set options. Will extend the current options. - * @param {Object} [options] Available parameters: - * {String | function} [className] - * {String | Number | function} [left] - * {String | Number | function} [top] - * {String | Number | function} [width] - * {String | Number | function} [height] - */ -ContentPanel.prototype.setOptions = Component.prototype.setOptions; - -/** - * Get the container element of the panel, which can be used by a child to - * add its own widgets. - * @returns {HTMLElement} container - */ -ContentPanel.prototype.getContainer = function () { - return this.frame; -}; - -/** - * Repaint the component - * @return {Boolean} changed - */ -ContentPanel.prototype.repaint = function () { - var changed = 0, - update = util.updateProperty, - asSize = util.option.asSize, - options = this.options, - frame = this.frame; - if (!frame) { - frame = document.createElement('div'); - frame.className = 'content-panel'; - - var className = options.className; - if (className) { - if (typeof className == 'function') { - util.addClassName(frame, String(className())); - } - else { - util.addClassName(frame, String(className)); - } - } - - this.frame = frame; - changed += 1; - } - if (!frame.parentNode) { - if (!this.parent) { - throw new Error('Cannot repaint panel: no parent attached'); - } - var parentContainer = this.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint panel: parent has no container element'); - } - parentContainer.appendChild(frame); - changed += 1; - } - - changed += update(frame.style, 'top', asSize(options.top, '0px')); - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - changed += update(frame.style, 'height', asSize(options.height, '100%')); - - return (changed > 0); -}; - -/** - * Reflow the component - * @return {Boolean} resized - */ -ContentPanel.prototype.reflow = function () { - var changed = 0, - update = util.updateProperty, - frame = this.frame; - - if (frame) { - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - changed += update(this, 'width', frame.offsetWidth); - changed += update(this, 'height', frame.offsetHeight); - } - else { - changed += 1; - } - - return (changed > 0); -}; diff --git a/src/timeline/component/CurrentTime.js b/src/timeline/component/CurrentTime.js index 4a1ff151..26606207 100644 --- a/src/timeline/component/CurrentTime.js +++ b/src/timeline/component/CurrentTime.js @@ -1,23 +1,22 @@ /** * A current time bar - * @param {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) + * @param {Range} range * @param {Object} [options] Available parameters: * {Boolean} [showCurrentTime] * @constructor CurrentTime * @extends Component */ -function CurrentTime (parent, depends, options) { +function CurrentTime (range, options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; + this.range = range; this.options = options || {}; this.defaultOptions = { showCurrentTime: false }; + + this._create(); } CurrentTime.prototype = new Component(); @@ -25,77 +24,73 @@ CurrentTime.prototype = new Component(); CurrentTime.prototype.setOptions = Component.prototype.setOptions; /** - * Get the container element of the bar, which can be used by a child to - * add its own widgets. - * @returns {HTMLElement} container + * Create the HTML DOM for the current time bar + * @private */ -CurrentTime.prototype.getContainer = function () { - return this.frame; +CurrentTime.prototype._create = function _create () { + var bar = document.createElement('div'); + bar.className = 'currenttime'; + bar.style.position = 'absolute'; + bar.style.top = '0px'; + bar.style.height = '100%'; + + this.bar = bar; +}; + +/** + * Get the frame element of the current time bar + * @returns {HTMLElement} frame + */ +CurrentTime.prototype.getFrame = function getFrame() { + return this.bar; }; /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component is resized */ -CurrentTime.prototype.repaint = function () { - var bar = this.frame, - parent = this.parent, - parentContainer = parent.parent.getContainer(); +CurrentTime.prototype.repaint = function repaint() { + var parent = this.parent; - if (!parent) { - throw new Error('Cannot repaint bar: no parent attached'); - } + var now = new Date(); + var x = this.options.toScreen(now); - if (!parentContainer) { - throw new Error('Cannot repaint bar: parent has no container element'); - } + this.bar.style.left = x + 'px'; + this.bar.title = 'Current time: ' + now; - if (!this.getOption('showCurrentTime')) { - if (bar) { - parentContainer.removeChild(bar); - delete this.frame; - } + return false; +}; - return false; - } +/** + * Start auto refreshing the current time bar + */ +CurrentTime.prototype.start = function start() { + var me = this; - if (!bar) { - bar = document.createElement('div'); - bar.className = 'currenttime'; - bar.style.position = 'absolute'; - bar.style.top = '0px'; - bar.style.height = '100%'; + function update () { + me.stop(); - parentContainer.appendChild(bar); - this.frame = bar; - } + // determine interval to refresh + var scale = me.range.conversion(me.parent.width).scale; + var interval = 1 / scale / 10; + if (interval < 30) interval = 30; + if (interval > 1000) interval = 1000; - if (!parent.conversion) { - parent._updateConversion(); - } + me.repaint(); - var now = new Date(); - var x = parent.toScreen(now); + // start a timer to adjust for the new time + me.currentTimeTimer = setTimeout(update, interval); + } - bar.style.left = x + 'px'; - bar.title = 'Current time: ' + now; + update(); +}; - // start a timer to adjust for the new time +/** + * Stop auto refreshing the current time bar + */ +CurrentTime.prototype.stop = function stop() { if (this.currentTimeTimer !== undefined) { clearTimeout(this.currentTimeTimer); delete this.currentTimeTimer; } - - var timeline = this; - var interval = 1 / parent.conversion.scale / 2; - - if (interval < 30) { - interval = 30; - } - - this.currentTimeTimer = setTimeout(function() { - timeline.repaint(); - }, interval); - - return false; }; diff --git a/src/timeline/component/CustomTime.js b/src/timeline/component/CustomTime.js index 15c3bc28..4b7634b3 100644 --- a/src/timeline/component/CustomTime.js +++ b/src/timeline/component/CustomTime.js @@ -1,18 +1,13 @@ /** * A custom time bar - * @param {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) * @param {Object} [options] Available parameters: * {Boolean} [showCustomTime] * @constructor CustomTime * @extends Component */ -function CustomTime (parent, depends, options) { +function CustomTime (options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; this.options = options || {}; this.defaultOptions = { @@ -21,85 +16,61 @@ function CustomTime (parent, depends, options) { this.customTime = new Date(); this.eventParams = {}; // stores state parameters while dragging the bar + + // create the DOM + this._create(); } CustomTime.prototype = new Component(); -Emitter(CustomTime.prototype); - CustomTime.prototype.setOptions = Component.prototype.setOptions; /** - * Get the container element of the bar, which can be used by a child to - * add its own widgets. - * @returns {HTMLElement} container + * Create the DOM for the custom time + * @private + */ +CustomTime.prototype._create = function _create () { + 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)); +}; + +/** + * Get the frame element of the custom time bar + * @returns {HTMLElement} frame */ -CustomTime.prototype.getContainer = function () { - return this.frame; +CustomTime.prototype.getFrame = function getFrame() { + return this.bar; }; /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component is resized */ CustomTime.prototype.repaint = function () { - var bar = this.frame, - parent = this.parent; - - if (!parent) { - throw new Error('Cannot repaint bar: no parent attached'); - } - - var parentContainer = parent.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint bar: parent has no container element'); - } - - if (!this.getOption('showCustomTime')) { - if (bar) { - parentContainer.removeChild(bar); - delete this.frame; - } - - return false; - } - - if (!bar) { - bar = document.createElement('div'); - bar.className = 'customtime'; - bar.style.position = 'absolute'; - bar.style.top = '0px'; - bar.style.height = '100%'; - - parentContainer.appendChild(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); - - this.frame = bar; - - // attach event listeners - this.hammer = Hammer(bar, { - prevent_default: true - }); - this.hammer.on('dragstart', this._onDragStart.bind(this)); - this.hammer.on('drag', this._onDrag.bind(this)); - this.hammer.on('dragend', this._onDragEnd.bind(this)); - } - - if (!parent.conversion) { - parent._updateConversion(); - } - - var x = parent.toScreen(this.customTime); - - bar.style.left = x + 'px'; - bar.title = 'Time: ' + this.customTime; + var x = this.options.toScreen(this.customTime); + + this.bar.style.left = x + 'px'; + this.bar.title = 'Time: ' + this.customTime; return false; }; @@ -127,6 +98,7 @@ CustomTime.prototype.getCustomTime = function() { * @private */ CustomTime.prototype._onDragStart = function(event) { + this.eventParams.dragging = true; this.eventParams.customTime = this.customTime; event.stopPropagation(); @@ -139,18 +111,18 @@ CustomTime.prototype._onDragStart = function(event) { * @private */ CustomTime.prototype._onDrag = function (event) { + if (!this.eventParams.dragging) return; + var deltaX = event.gesture.deltaX, - x = this.parent.toScreen(this.eventParams.customTime) + deltaX, - time = this.parent.toTime(x); + x = this.options.toScreen(this.eventParams.customTime) + deltaX, + time = this.options.toTime(x); this.setCustomTime(time); // fire a timechange event - if (this.controller) { - this.controller.emit('timechange', { - time: this.customTime - }) - } + this.emit('timechange', { + time: new Date(this.customTime.valueOf()) + }); event.stopPropagation(); event.preventDefault(); @@ -162,12 +134,12 @@ CustomTime.prototype._onDrag = function (event) { * @private */ CustomTime.prototype._onDragEnd = function (event) { + if (!this.eventParams.dragging) return; + // fire a timechanged event - if (this.controller) { - this.controller.emit('timechanged', { - time: this.customTime - }) - } + this.emit('timechanged', { + time: new Date(this.customTime.valueOf()) + }); event.stopPropagation(); event.preventDefault(); diff --git a/src/timeline/component/Group.js b/src/timeline/component/Group.js index bf95c0c8..282bc97d 100644 --- a/src/timeline/component/Group.js +++ b/src/timeline/component/Group.js @@ -1,17 +1,23 @@ /** * @constructor Group - * @param {GroupSet} parent + * @param {Panel} groupPanel + * @param {Panel} labelPanel + * @param {Panel} backgroundPanel + * @param {Panel} axisPanel * @param {Number | String} groupId * @param {Object} [options] Options to set initial property values * // TODO: describe available options * @extends Component */ -function Group (parent, groupId, options) { +function Group (groupPanel, labelPanel, backgroundPanel, axisPanel, groupId, options) { this.id = util.randomUUID(); - this.parent = parent; + this.groupPanel = groupPanel; + this.labelPanel = labelPanel; + this.backgroundPanel = backgroundPanel; + this.axisPanel = axisPanel; this.groupId = groupId; - this.itemset = null; // ItemSet + this.itemSet = null; // ItemSet this.options = options || {}; this.options.top = 0; @@ -22,10 +28,14 @@ function Group (parent, groupId, options) { } }; + this.dom = {}; + this.top = 0; this.left = 0; this.width = 0; this.height = 0; + + this._create(); } Group.prototype = new Component(); @@ -34,47 +44,131 @@ Group.prototype = new Component(); Group.prototype.setOptions = Component.prototype.setOptions; /** - * Get the container element of the panel, which can be used by a child to - * add its own widgets. - * @returns {HTMLElement} container + * Create DOM elements for the group + * @private + */ +Group.prototype._create = function() { + var label = document.createElement('div'); + label.className = 'vlabel'; + this.dom.label = label; + + var inner = document.createElement('div'); + inner.className = 'inner'; + label.appendChild(inner); + this.dom.inner = inner; +}; + +/** + * Set the group data for this group + * @param {Object} data Group data, can contain properties content and className */ -Group.prototype.getContainer = function () { - return this.parent.getContainer(); +Group.prototype.setData = function setData(data) { + // update contents + var content = data && data.content; + if (content instanceof Element) { + this.dom.inner.appendChild(content); + } + else if (content != undefined) { + this.dom.inner.innerHTML = content; + } + else { + this.dom.inner.innerHTML = this.groupId; + } + + // update className + var className = data && data.className; + if (className) { + util.addClassName(this.dom.label, className); + } }; /** - * Set item set for the group. The group will create a view on the itemset, + * Set item set for the group. The group will create a view on the itemSet, * filtered by the groups id. - * @param {DataSet | DataView} items + * @param {DataSet | DataView} itemsData */ -Group.prototype.setItems = function setItems(items) { - if (this.itemset) { +Group.prototype.setItems = function setItems(itemsData) { + if (this.itemSet) { // remove current item set - this.itemset.hide(); - this.itemset.setItems(); - - this.parent.controller.remove(this.itemset); - this.itemset = null; + this.itemSet.setItems(); + this.itemSet.hide(); + this.groupPanel.frame.removeChild(this.itemSet.getFrame()); + this.itemSet = null; } - if (items) { + if (itemsData) { var groupId = this.groupId; - var itemsetOptions = Object.create(this.options); - this.itemset = new ItemSet(this, null, itemsetOptions); - this.itemset.setRange(this.parent.range); + var me = this; + var itemSetOptions = util.extend(this.options, { + height: function () { + // FIXME: setting height doesn't yet work + return Math.max(me.props.label.height, me.itemSet.height); + } + }); + this.itemSet = new ItemSet(this.backgroundPanel, this.axisPanel, itemSetOptions); + this.itemSet.on('change', this.emit.bind(this, 'change')); // propagate change event + this.itemSet.parent = this; + this.groupPanel.frame.appendChild(this.itemSet.getFrame()); + + if (this.range) this.itemSet.setRange(this.range); - this.view = new DataView(items, { + this.view = new DataView(itemsData, { filter: function (item) { return item.group == groupId; } }); - this.itemset.setItems(this.view); + this.itemSet.setItems(this.view); + } +}; + +/** + * hide the group, detach from DOM if needed + */ +Group.prototype.show = function show() { + if (!this.dom.label.parentNode) { + this.labelPanel.frame.appendChild(this.dom.label); + } + + var itemSetFrame = this.itemSet && this.itemSet.getFrame(); + if (itemSetFrame) { + if (itemSetFrame.parentNode) { + itemSetFrame.parentNode.removeChild(itemSetFrame); + } + this.groupPanel.frame.appendChild(itemSetFrame); + + this.itemSet.show(); + } +}; + +/** + * hide the group, detach from DOM if needed + */ +Group.prototype.hide = function hide() { + if (this.dom.label.parentNode) { + this.dom.label.parentNode.removeChild(this.dom.label); + } + + if (this.itemSet) { + this.itemSet.hide(); + } - this.parent.controller.add(this.itemset); + var itemSetFrame = this.itemset && this.itemSet.getFrame(); + if (itemSetFrame && itemSetFrame.parentNode) { + itemSetFrame.parentNode.removeChild(itemSetFrame); } }; +/** + * Set range (start and end). + * @param {Range | Object} range A Range or an object containing start and end. + */ +Group.prototype.setRange = function (range) { + this.range = range; + + if (this.itemSet) this.itemSet.setRange(range); +}; + /** * Set selected items by their id. Replaces the current selection. * Unknown id's are silently ignored. @@ -83,7 +177,7 @@ Group.prototype.setItems = function setItems(items) { * unselected. */ Group.prototype.setSelection = function setSelection(ids) { - if (this.itemset) this.itemset.setSelection(ids); + if (this.itemSet) this.itemSet.setSelection(ids); }; /** @@ -91,39 +185,29 @@ Group.prototype.setSelection = function setSelection(ids) { * @return {Array} ids The ids of the selected items */ Group.prototype.getSelection = function getSelection() { - return this.itemset ? this.itemset.getSelection() : []; + return this.itemSet ? this.itemSet.getSelection() : []; }; /** - * Repaint the item - * @return {Boolean} changed + * Repaint the group + * @return {boolean} Returns true if the component is resized */ Group.prototype.repaint = function repaint() { - return false; -}; + var resized = false; -/** - * Reflow the item - * @return {Boolean} resized - */ -Group.prototype.reflow = function reflow() { - var changed = 0, - update = util.updateProperty; + this.show(); - changed += update(this, 'top', this.itemset ? this.itemset.top : 0); - changed += update(this, 'height', this.itemset ? this.itemset.height : 0); + if (this.itemSet) { + resized = this.itemSet.repaint() || resized; + } - // TODO: reckon with the height of the group label + // calculate inner size of the label + resized = util.updateProperty(this.props.label, 'width', this.dom.inner.clientWidth) || resized; + resized = util.updateProperty(this.props.label, 'height', this.dom.inner.clientHeight) || resized; - if (this.label) { - var inner = this.label.firstChild; - changed += update(this.props.label, 'width', inner.clientWidth); - changed += update(this.props.label, 'height', inner.clientHeight); - } - else { - changed += update(this.props.label, 'width', 0); - changed += update(this.props.label, 'height', 0); - } + this.height = this.itemSet ? this.itemSet.height : 0; + + this.dom.label.style.height = this.height + 'px'; - return (changed > 0); + return resized; }; diff --git a/src/timeline/component/GroupSet.js b/src/timeline/component/GroupSet.js index 2fa78523..1e94fa3c 100644 --- a/src/timeline/component/GroupSet.js +++ b/src/timeline/component/GroupSet.js @@ -1,18 +1,23 @@ /** * An GroupSet holds a set of groups - * @param {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) + * @param {Panel} contentPanel Panel where the ItemSets will be created + * @param {Panel} labelPanel Panel where the labels will be created + * @param {Panel} backgroundPanel Panel where the vertical lines of box + * items are created + * @param {Panel} axisPanel Panel on the axis where the dots of box + * items will be created * @param {Object} [options] See GroupSet.setOptions for the available * options. * @constructor GroupSet * @extends Panel */ -function GroupSet(parent, depends, options) { +function GroupSet(contentPanel, labelPanel, backgroundPanel, axisPanel, options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; + this.contentPanel = contentPanel; + this.labelPanel = labelPanel; + this.backgroundPanel = backgroundPanel; + this.axisPanel = axisPanel; this.options = options || {}; this.range = null; // Range or Object {start: number, end: number} @@ -20,6 +25,7 @@ function GroupSet(parent, depends, options) { this.groupsData = null; // DataSet with groups this.groups = {}; // map with groups + this.groupIds = []; // list with ordered group ids this.dom = {}; this.props = { @@ -28,10 +34,7 @@ function GroupSet(parent, depends, options) { } }; - // TODO: implement right orientation of the labels - - // changes in groups are queued key/value map containing id/action - this.queue = {}; + // TODO: implement right orientation of the labels (left/right) var me = this; this.listeners = { @@ -45,10 +48,40 @@ function GroupSet(parent, depends, options) { me._onRemove(params.items); } }; + + // create HTML DOM + this._create(); } GroupSet.prototype = new Panel(); +/** + * Create the HTML DOM elements for the GroupSet + * @private + */ +GroupSet.prototype._create = function _create () { + // TODO: reimplement groupSet DOM elements + var frame = document.createElement('div'); + frame.className = 'groupset'; + frame['timeline-groupset'] = this; + this.frame = frame; + + this.labelSet = new Panel({ + className: 'labelset', + width: '100%', + height: '100%' + }); + this.labelPanel.appendChild(this.labelSet); +}; + +/** + * Get the frame element of component + * @returns {null} Get frame is not supported by GroupSet + */ +GroupSet.prototype.getFrame = function getFrame() { + return this.frame; +}; + /** * Set options for the GroupSet. Existing options will be extended/overwritten. * @param {Object} [options] The following options are available: @@ -57,8 +90,18 @@ GroupSet.prototype = new Panel(); */ GroupSet.prototype.setOptions = Component.prototype.setOptions; +/** + * Set range (start and end). + * @param {Range | Object} range A Range or an object containing start and end. + */ GroupSet.prototype.setRange = function (range) { - // TODO: implement setRange + this.range = range; + + for (var id in this.groups) { + if (this.groups.hasOwnProperty(id)) { + this.groups[id].setRange(range); + } + } }; /** @@ -71,6 +114,7 @@ GroupSet.prototype.setItems = function setItems(items) { for (var id in this.groups) { if (this.groups.hasOwnProperty(id)) { var group = this.groups[id]; + // TODO: every group will emit a change event, causing a lot of unnecessary repaints. improve this. group.setItems(items); } } @@ -139,6 +183,8 @@ GroupSet.prototype.setGroups = function setGroups(groups) { ids = this.groupsData.getIds(); this._onAdd(ids); } + + this.emit('change'); }; /** @@ -192,313 +238,117 @@ GroupSet.prototype.getSelection = function getSelection() { /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component was resized since previous repaint */ GroupSet.prototype.repaint = function repaint() { - var changed = 0, - i, id, group, label, - update = util.updateProperty, + var i, id, group, asSize = util.option.asSize, - asElement = util.option.asElement, + asString = util.option.asString, options = this.options, - frame = this.dom.frame, - labels = this.dom.labels, - labelSet = this.dom.labelSet; - - // create frame - if (!this.parent) { - throw new Error('Cannot repaint groupset: no parent attached'); - } - var parentContainer = this.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint groupset: parent has no container element'); - } - if (!frame) { - frame = document.createElement('div'); - frame.className = 'groupset'; - frame['timeline-groupset'] = this; - this.dom.frame = frame; - - var className = options.className; - if (className) { - util.addClassName(frame, util.option.asString(className)); - } - - changed += 1; - } - if (!frame.parentNode) { - parentContainer.appendChild(frame); - changed += 1; - } - - // create labels - var labelContainer = asElement(options.labelContainer); - if (!labelContainer) { - throw new Error('Cannot repaint groupset: option "labelContainer" not defined'); - } - if (!labels) { - labels = document.createElement('div'); - labels.className = 'labels'; - this.dom.labels = labels; - } - if (!labelSet) { - labelSet = document.createElement('div'); - labelSet.className = 'label-set'; - labels.appendChild(labelSet); - this.dom.labelSet = labelSet; - } - if (!labels.parentNode || labels.parentNode != labelContainer) { - if (labels.parentNode) { - labels.parentNode.removeChild(labels.parentNode); - } - labelContainer.appendChild(labels); - } - - // reposition frame - changed += update(frame.style, 'height', asSize(options.height, this.height + 'px')); - changed += update(frame.style, 'top', asSize(options.top, '0px')); - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - - // reposition labels - changed += update(labelSet.style, 'top', asSize(options.top, '0px')); - changed += update(labelSet.style, 'height', asSize(options.height, this.height + 'px')); - - var me = this, - queue = this.queue, - groups = this.groups, - groupsData = this.groupsData; - - // show/hide added/changed/removed groups - var ids = Object.keys(queue); - if (ids.length) { - ids.forEach(function (id) { - var action = queue[id]; - var group = groups[id]; - - //noinspection FallthroughInSwitchStatementJS - switch (action) { - case 'add': - case 'update': - if (!group) { - var groupOptions = Object.create(me.options); - util.extend(groupOptions, { - height: null, - maxHeight: null - }); - - group = new Group(me, id, groupOptions); - group.setItems(me.itemsData); // attach items data - groups[id] = group; - - me.controller.add(group); - } - - // TODO: update group data - group.data = groupsData.get(id); - - delete queue[id]; - break; - - case 'remove': - if (group) { - group.setItems(); // detach items data - delete groups[id]; - - me.controller.remove(group); - } - - // update lists - delete queue[id]; - break; - - default: - console.log('Error: unknown action "' + action + '"'); - } - }); - - // the groupset depends on each of the groups - //this.depends = this.groups; // TODO: gives a circular reference through the parent - - // TODO: apply dependencies of the groupset - - // update the top positions of the groups in the correct order - var orderedGroups = this.groupsData.getIds({ - order: this.options.groupOrder - }); - for (i = 0; i < orderedGroups.length; i++) { - (function (group, prevGroup) { - var top = 0; - if (prevGroup) { - top = function () { - // TODO: top must reckon with options.maxHeight - return prevGroup.top + prevGroup.height; - } - } - group.setOptions({ - top: top - }); - })(groups[orderedGroups[i]], groups[orderedGroups[i - 1]]); - } - - // (re)create the labels - while (labelSet.firstChild) { - labelSet.removeChild(labelSet.firstChild); - } - for (i = 0; i < orderedGroups.length; i++) { - id = orderedGroups[i]; - label = this._createLabel(id); - labelSet.appendChild(label); - } + orientation = this.getOption('orientation'), + frame = this.frame, + resized = false, + groups = this.groups; - changed++; - } + // repaint all groups in order + this.groupIds.forEach(function (id) { + var groupResized = groups[id].repaint(); + resized = resized || groupResized; + }); - // reposition the labels - // TODO: labels are not displayed correctly when orientation=='top' - // TODO: width of labelPanel is not immediately updated on a change in groups + // reposition the labels and calculate the maximum label width + var maxWidth = 0; for (id in groups) { if (groups.hasOwnProperty(id)) { group = groups[id]; - label = group.label; - if (label) { - label.style.top = group.top + 'px'; - label.style.height = group.height + 'px'; - } + maxWidth = Math.max(maxWidth, group.props.label.width); } } + resized = util.updateProperty(this.props.labels, 'width', maxWidth) || resized; - return (changed > 0); -}; + // recalculate the height of the groupset, and recalculate top positions of the groups + var fixedHeight = (asSize(options.height) != null); + var height; + if (!fixedHeight) { + // height is not specified, calculate the sum of the height of all groups + height = 0; -/** - * Create a label for group with given id - * @param {Number} id - * @return {Element} label - * @private - */ -GroupSet.prototype._createLabel = function(id) { - var group = this.groups[id]; - var label = document.createElement('div'); - label.className = 'vlabel'; - var inner = document.createElement('div'); - inner.className = 'inner'; - label.appendChild(inner); - - var content = group.data && group.data.content; - if (content instanceof Element) { - inner.appendChild(content); - } - else if (content != undefined) { - inner.innerHTML = content; + this.groupIds.forEach(function (id) { + var group = groups[id]; + group.top = height; + if (group.itemSet) group.itemSet.top = group.top; // TODO: this is an ugly hack + height += group.height; + }); } - var className = group.data && group.data.className; - if (className) { - util.addClassName(label, className); - } + // update classname + frame.className = 'groupset' + (options.className ? (' ' + asString(options.className)) : ''); - group.label = label; // TODO: not so nice, parking labels in the group this way!!! + // calculate actual size and position + this.top = frame.offsetTop; + this.left = frame.offsetLeft; + this.width = frame.offsetWidth; + this.height = height; - return label; + return resized; }; /** - * Get container element - * @return {HTMLElement} container + * Update the groupIds. Requires a repaint afterwards + * @private */ -GroupSet.prototype.getContainer = function getContainer() { - return this.dom.frame; +GroupSet.prototype._updateGroupIds = function () { + // reorder the groups + this.groupIds = this.groupsData.getIds({ + order: this.options.groupOrder + }); + + // hide the groups now, they will be shown again in the next repaint + // in correct order + var groups = this.groups; + this.groupIds.forEach(function (id) { + groups[id].hide(); + }); }; /** * Get the width of the group labels * @return {Number} width */ -GroupSet.prototype.getLabelsWidth = function getContainer() { +GroupSet.prototype.getLabelsWidth = function getLabelsWidth() { return this.props.labels.width; }; -/** - * Reflow the component - * @return {Boolean} resized - */ -GroupSet.prototype.reflow = function reflow() { - var changed = 0, - id, group, - options = this.options, - update = util.updateProperty, - asNumber = util.option.asNumber, - asSize = util.option.asSize, - frame = this.dom.frame; - - if (frame) { - var maxHeight = asNumber(options.maxHeight); - var fixedHeight = (asSize(options.height) != null); - var height; - if (fixedHeight) { - height = frame.offsetHeight; - } - else { - // height is not specified, calculate the sum of the height of all groups - height = 0; - - for (id in this.groups) { - if (this.groups.hasOwnProperty(id)) { - group = this.groups[id]; - height += group.height; - } - } - } - if (maxHeight != null) { - height = Math.min(height, maxHeight); - } - changed += update(this, 'height', height); - - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - changed += update(this, 'width', frame.offsetWidth); - } - - // calculate the maximum width of the labels - var width = 0; - for (id in this.groups) { - if (this.groups.hasOwnProperty(id)) { - group = this.groups[id]; - var labelWidth = group.props && group.props.label && group.props.label.width || 0; - width = Math.max(width, labelWidth); - } - } - changed += update(this.props.labels, 'width', width); - - return (changed > 0); -}; - /** * Hide the component from the DOM - * @return {Boolean} changed */ GroupSet.prototype.hide = function hide() { - if (this.dom.frame && this.dom.frame.parentNode) { - this.dom.frame.parentNode.removeChild(this.dom.frame); - return true; - } - else { - return false; + // hide labelset + this.labelPanel.removeChild(this.labelSet); + + // hide each of the groups + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + this.groups[groupId].hide(); + } } }; /** * Show the component in the DOM (when not already visible). - * A repaint will be executed when the component is not visible * @return {Boolean} changed */ GroupSet.prototype.show = function show() { - if (!this.dom.frame || !this.dom.frame.parentNode) { - return this.repaint(); + // show label set + if (!this.labelPanel.hasChild(this.labelSet)) { + this.labelPanel.removeChild(this.labelSet); } - else { - return false; + + // show each of the groups + for (var groupId in this.groups) { + if (this.groups.hasOwnProperty(groupId)) { + this.groups[groupId].show(); + } } }; @@ -508,7 +358,7 @@ GroupSet.prototype.show = function show() { * @private */ GroupSet.prototype._onUpdate = function _onUpdate(ids) { - this._toQueue(ids, 'update'); + this._onAdd(ids); }; /** @@ -517,7 +367,31 @@ GroupSet.prototype._onUpdate = function _onUpdate(ids) { * @private */ GroupSet.prototype._onAdd = function _onAdd(ids) { - this._toQueue(ids, 'add'); + var me = this; + + ids.forEach(function (id) { + var group = me.groups[id]; + if (!group) { + var groupOptions = Object.create(me.options); + util.extend(groupOptions, { + height: null + }); + + group = new Group(me, me.labelSet, me.backgroundPanel, me.axisPanel, id, groupOptions); + group.on('change', me.emit.bind(me, 'change')); // propagate change event + group.setRange(me.range); + group.setItems(me.itemsData); // attach items data + me.groups[id] = group; + group.parent = me; + } + + // update group data + group.setData(me.groupsData.get(id)); + }); + + this._updateGroupIds(); + + this.emit('change'); }; /** @@ -526,50 +400,61 @@ GroupSet.prototype._onAdd = function _onAdd(ids) { * @private */ GroupSet.prototype._onRemove = function _onRemove(ids) { - this._toQueue(ids, 'remove'); -}; - -/** - * Put groups in the queue to be added/updated/remove - * @param {Number[]} ids - * @param {String} action can be 'add', 'update', 'remove' - */ -GroupSet.prototype._toQueue = function _toQueue(ids, action) { - var queue = this.queue; + var groups = this.groups; ids.forEach(function (id) { - queue[id] = action; + var group = groups[id]; + + if (group) { + group.setItems(); // detach items data + group.hide(); // FIXME: for some reason when doing setItems after hide, setItems again makes the label visible + delete groups[id]; + } }); - if (this.controller) { - //this.requestReflow(); - this.requestRepaint(); - } + this._updateGroupIds(); + + this.emit('change'); }; /** - * Find the Group from an event target: + * Find the GroupSet from an event target: * searches for the attribute 'timeline-groupset' in the event target's element * tree, then finds the right group in this groupset * @param {Event} event * @return {Group | null} group */ -GroupSet.groupFromTarget = function groupFromTarget (event) { - var groupset, - target = event.target; - +GroupSet.groupSetFromTarget = function groupSetFromTarget (event) { + var target = event.target; while (target) { if (target.hasOwnProperty('timeline-groupset')) { - groupset = target['timeline-groupset']; - break; + return target['timeline-groupset']; } target = target.parentNode; } - if (groupset) { - for (var groupId in groupset.groups) { - if (groupset.groups.hasOwnProperty(groupId)) { - var group = groupset.groups[groupId]; - if (group.itemset && ItemSet.itemSetFromTarget(event) == group.itemset) { + return null; +}; + +/** + * Find the Group from an event target: + * searches for the two elements having attributes 'timeline-groupset' and + * 'timeline-itemset' in the event target's element, then finds the right group. + * @param {Event} event + * @return {Group | null} group + */ +GroupSet.groupFromTarget = function groupFromTarget (event) { + // find the groupSet + var groupSet = GroupSet.groupSetFromTarget(event); + + // find the ItemSet + var itemSet = ItemSet.itemSetFromTarget(event); + + // find the right group + if (groupSet && itemSet) { + for (var groupId in groupSet.groups) { + if (groupSet.groups.hasOwnProperty(groupId)) { + var group = groupSet.groups[groupId]; + if (group.itemSet == itemSet) { return group; } } diff --git a/src/timeline/component/ItemSet.js b/src/timeline/component/ItemSet.js index 44838c59..42690650 100644 --- a/src/timeline/component/ItemSet.js +++ b/src/timeline/component/ItemSet.js @@ -2,41 +2,24 @@ * 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 {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) - * @param {Object} [options] See ItemSet.setOptions for the available - * options. + * @param {Panel} backgroundPanel Panel which can be used to display the + * vertical lines of box items. + * @param {Panel} axisPanel Panel on the axis where the dots of box-items + * can be displayed. + * @param {Object} [options] See ItemSet.setOptions for the available options. * @constructor ItemSet * @extends Panel */ -// TODO: improve performance by replacing all Array.forEach with a for loop -function ItemSet(parent, depends, options) { +function ItemSet(backgroundPanel, axisPanel, options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; - - // event listeners - this.eventListeners = { - dragstart: this._onDragStart.bind(this), - drag: this._onDrag.bind(this), - dragend: this._onDragEnd.bind(this) - }; // one options object is shared by this itemset and all its items this.options = options || {}; - this.defaultOptions = { - type: 'box', - align: 'center', - orientation: 'bottom', - margin: { - axis: 20, - item: 10 - }, - padding: 5 - }; - + this.backgroundPanel = backgroundPanel; + this.axisPanel = axisPanel; + this.itemOptions = Object.create(this.options); this.dom = {}; + this.hammer = null; var me = this; this.itemsData = null; // DataSet @@ -45,31 +28,33 @@ function ItemSet(parent, depends, options) { // data change listeners this.listeners = { 'add': function (event, params, senderId) { - if (senderId != me.id) { - me._onAdd(params.items); - } + if (senderId != me.id) me._onAdd(params.items); }, 'update': function (event, params, senderId) { - if (senderId != me.id) { - me._onUpdate(params.items); - } + if (senderId != me.id) me._onUpdate(params.items); }, 'remove': function (event, params, senderId) { - if (senderId != me.id) { - me._onRemove(params.items); - } + if (senderId != me.id) me._onRemove(params.items); } }; - this.items = {}; // object with an Item for every data item + this.items = {}; // object with an Item for every data item + this.orderedItems = { + byStart: [], + byEnd: [] + }; + this.visibleItems = []; // visible, ordered items + this.visibleItemsStart = 0; // start index of visible items in this.orderedItems // TODO: cleanup + this.visibleItemsEnd = 0; // start index of visible items in this.orderedItems // TODO: cleanup this.selection = []; // list with the ids of all selected nodes this.queue = {}; // queue with id/actions: 'add', 'update', 'delete' - this.stack = new Stack(this, Object.create(this.options)); - this.conversion = null; + this.stack = new Stack(Object.create(this.options)); + this.stackDirty = true; // if true, all items will be restacked on next repaint this.touchParams = {}; // stores properties while dragging - // TODO: ItemSet should also attach event listeners for rangechange and rangechanged, like timeaxis + // create the HTML DOM + this._create(); } ItemSet.prototype = new Panel(); @@ -82,6 +67,42 @@ ItemSet.types = { point: ItemPoint }; +/** + * Create the HTML DOM for the ItemSet + */ +ItemSet.prototype._create = function _create(){ + var frame = document.createElement('div'); + frame['timeline-itemset'] = this; + this.frame = frame; + + // create background panel + var background = document.createElement('div'); + background.className = 'background'; + this.backgroundPanel.frame.appendChild(background); + this.dom.background = background; + + // 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; + this.axisPanel.frame.appendChild(axis); + + // attach event listeners + // TODO: use event listeners from the rootpanel to improve performance? + this.hammer = Hammer(frame, { + 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 options for the ItemSet. Existing options will be extended/overwritten. * @param {Object} [options] The following options are available: @@ -112,54 +133,36 @@ ItemSet.types = { */ ItemSet.prototype.setOptions = Component.prototype.setOptions; - - /** - * Set controller for this component - * @param {Controller | null} controller + * Hide the component from the DOM */ -ItemSet.prototype.setController = function setController (controller) { - var event; - - // unregister old event listeners - if (this.controller) { - for (event in this.eventListeners) { - if (this.eventListeners.hasOwnProperty(event)) { - this.controller.off(event, this.eventListeners[event]); - } - } +ItemSet.prototype.hide = function hide() { + // remove the axis with dots + if (this.dom.axis.parentNode) { + this.dom.axis.parentNode.removeChild(this.dom.axis); } - this.controller = controller || null; - - // register new event listeners - if (this.controller) { - for (event in this.eventListeners) { - if (this.eventListeners.hasOwnProperty(event)) { - this.controller.on(event, this.eventListeners[event]); - } - } + // remove the background with vertical lines + if (this.dom.background.parentNode) { + this.dom.background.parentNode.removeChild(this.dom.background); } }; -// attach event listeners for dragging items to the controller -(function (me) { - var _controller = null; - var _onDragStart = null; - var _onDrag = null; - var _onDragEnd = null; - - Object.defineProperty(me, 'controller', { - get: function () { - return _controller; - }, - - set: function (controller) { - - } - }); -}) (this); +/** + * Show the component in the DOM (when not already visible). + * @return {Boolean} changed + */ +ItemSet.prototype.show = function show() { + // show axis with dots + if (!this.dom.axis.parentNode) { + this.axisPanel.frame.appendChild(this.dom.axis); + } + // show background with vertical lines + if (!this.dom.background.parentNode) { + this.backgroundPanel.frame.appendChild(this.dom.background); + } +}; /** * Set range (start and end). @@ -181,7 +184,7 @@ ItemSet.prototype.setRange = function setRange(range) { * unselected. */ ItemSet.prototype.setSelection = function setSelection(ids) { - var i, ii, id, item, selection; + var i, ii, id, item; if (ids) { if (!Array.isArray(ids)) { @@ -205,10 +208,6 @@ ItemSet.prototype.setSelection = function setSelection(ids) { item.select(); } } - - if (this.controller) { - this.requestRepaint(); - } } }; @@ -235,184 +234,151 @@ ItemSet.prototype._deselect = function _deselect(id) { } }; +/** + * Return the item sets frame + * @returns {HTMLElement} frame + */ +ItemSet.prototype.getFrame = function getFrame() { + return this.frame; +}; + /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component is resized */ ItemSet.prototype.repaint = function repaint() { - var changed = 0, - update = util.updateProperty, - asSize = util.option.asSize, + var asSize = util.option.asSize, + asString = util.option.asString, options = this.options, orientation = this.getOption('orientation'), - defaultOptions = this.defaultOptions, frame = this.frame; - if (!frame) { - frame = document.createElement('div'); - frame.className = 'itemset'; - frame['timeline-itemset'] = this; + // update className + frame.className = 'itemset' + (options.className ? (' ' + asString(options.className)) : ''); - var className = options.className; - if (className) { - util.addClassName(frame, util.option.asString(className)); - } + // check whether zoomed (in that case we need to re-stack everything) + var visibleInterval = this.range.end - this.range.start; + var zoomed = (visibleInterval != this.lastVisibleInterval) || (this.width != this.lastWidth); + this.lastVisibleInterval = visibleInterval; + this.lastWidth = this.width; - // create background panel - var background = document.createElement('div'); - background.className = 'background'; - frame.appendChild(background); - this.dom.background = background; - - // 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 = 'itemset-axis'; - //frame.appendChild(axis); - this.dom.axis = axis; - - this.frame = frame; - changed += 1; + /* TODO: implement+fix smarter way to update visible items + // find the first visible item + // TODO: use faster search, not linear + var byEnd = this.orderedItems.byEnd; + var start = 0; + var item = null; + while ((item = byEnd[start]) && + (('end' in item.data) ? item.data.end : item.data.start) < this.range.start) { + start++; } - if (!this.parent) { - throw new Error('Cannot repaint itemset: no parent attached'); - } - var parentContainer = this.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint itemset: parent has no container element'); - } - if (!frame.parentNode) { - parentContainer.appendChild(frame); - changed += 1; - } - if (!this.dom.axis.parentNode) { - parentContainer.appendChild(this.dom.axis); - changed += 1; + // find the last visible item + // TODO: use faster search, not linear + var byStart = this.orderedItems.byStart; + var end = 0; + while ((item = byStart[end]) && item.data.start < this.range.end) { + end++; } - // reposition frame - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'top', asSize(options.top, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - changed += update(frame.style, 'height', asSize(options.height, this.height + 'px')); + console.log('visible items', start, end); // TODO: cleanup + console.log('visible item ids', byStart[start] && byStart[start].id, byEnd[end-1] && byEnd[end-1].id); // TODO: cleanup - // reposition axis - changed += update(this.dom.axis.style, 'left', asSize(options.left, '0px')); - changed += update(this.dom.axis.style, 'width', asSize(options.width, '100%')); - if (orientation == 'bottom') { - changed += update(this.dom.axis.style, 'top', (this.height + this.top) + 'px'); - } - else { // orientation == 'top' - changed += update(this.dom.axis.style, 'top', this.top + 'px'); + this.visibleItems = []; + var i = start; + item = byStart[i]; + var lastItem = byEnd[end]; + while (item && item !== lastItem) { + this.visibleItems.push(item); + item = byStart[++i]; } + this.stack.order(this.visibleItems); - this._updateConversion(); - - var me = this, - queue = this.queue, - itemsData = this.itemsData, - items = this.items, - dataOptions = { - // TODO: cleanup - // fields: [(itemsData && itemsData.fieldId || 'id'), 'start', 'end', 'content', 'type', 'className'] - }; - - // show/hide added/changed/removed items - for (var id in queue) { - if (queue.hasOwnProperty(id)) { - var entry = queue[id], - item = items[id], - action = entry.action; - - //noinspection FallthroughInSwitchStatementJS - switch (action) { - case 'add': - case 'update': - var itemData = itemsData && itemsData.get(id, dataOptions); - - if (itemData) { - var type = itemData.type || - (itemData.start && itemData.end && 'range') || - options.type || - 'box'; - var constructor = ItemSet.types[type]; - - // TODO: how to handle items with invalid data? hide them and give a warning? or throw an error? - if (item) { - // update item - if (!constructor || !(item instanceof constructor)) { - // item type has changed, hide and delete the item - changed += item.hide(); - item = null; - } - else { - item.data = itemData; // TODO: create a method item.setData ? - changed++; - } - } - - if (!item) { - // create item - if (constructor) { - item = new constructor(me, itemData, options, defaultOptions); - item.id = entry.id; // we take entry.id, as id itself is stringified - changed++; - } - else { - throw new TypeError('Unknown item type "' + type + '"'); - } - } - - // force a repaint (not only a reposition) - item.repaint(); - - items[id] = item; - } + // show visible items + for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { + item = this.visibleItems[i]; - // update queue - delete queue[id]; - break; + if (!item.displayed) item.show(); + item.top = null; // reset stacking position - case 'remove': - if (item) { - // remove the item from the set selected items - if (item.selected) { - me._deselect(id); - } + // reposition item horizontally + item.repositionX(); + } + */ - // remove DOM of the item - changed += item.hide(); - } + // simple, brute force calculation of visible items + // TODO: replace with a faster, more sophisticated solution + this.visibleItems = []; + for (var id in this.items) { + if (this.items.hasOwnProperty(id)) { + var item = this.items[id]; + if (item.isVisible(this.range)) { + if (!item.displayed) item.show(); - // update lists - delete items[id]; - delete queue[id]; - break; + // reposition item horizontally + item.repositionX(); - default: - console.log('Error: unknown action "' + action + '"'); + this.visibleItems.push(item); + } + else { + if (item.displayed) item.hide(); } } } - // reposition all items. Show items only when in the visible area - util.forEach(this.items, function (item) { - if (item.visible) { - changed += item.show(); - item.reposition(); - } - else { - changed += item.hide(); - } - }); + // reposition visible items vertically + //this.stack.order(this.visibleItems); // TODO: improve ordering + var force = this.stackDirty || zoomed; // force re-stacking of all items if true + this.stack.stack(this.visibleItems, force); + this.stackDirty = false; + for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { + this.visibleItems[i].repositionY(); + } + + // recalculate the height of the itemset + var marginAxis = (options.margin && 'axis' in options.margin) ? options.margin.axis : this.itemOptions.margin.axis, + marginItem = (options.margin && 'item' in options.margin) ? options.margin.item : this.itemOptions.margin.item, + height; + + // determine the height from the stacked items + var visibleItems = this.visibleItems; + 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)); + }); + height = (max - min) + marginAxis + marginItem; + } + else { + height = marginAxis + marginItem; + } - return (changed > 0); + // reposition frame + frame.style.left = asSize(options.left, ''); + frame.style.right = asSize(options.right, ''); + frame.style.top = asSize((orientation == 'top') ? '0' : ''); + frame.style.bottom = asSize((orientation == 'top') ? '' : '0'); + frame.style.width = asSize(options.width, '100%'); + frame.style.height = asSize(height); + //frame.style.height = asSize('height' in options ? options.height : height); // TODO: reckon with height + + // calculate actual size and position + this.top = frame.offsetTop; + this.left = frame.offsetLeft; + this.width = frame.offsetWidth; + this.height = height; + + // reposition axis + this.dom.axis.style.left = asSize(options.left, '0'); + this.dom.axis.style.right = asSize(options.right, ''); + this.dom.axis.style.width = asSize(options.width, '100%'); + this.dom.axis.style.height = asSize(0); + this.dom.axis.style.top = asSize((orientation == 'top') ? '0' : ''); + this.dom.axis.style.bottom = asSize((orientation == 'top') ? '' : '0'); + + return this._isResized(); }; /** @@ -439,90 +405,6 @@ ItemSet.prototype.getAxis = function getAxis() { return this.dom.axis; }; -/** - * Reflow the component - * @return {Boolean} resized - */ -ItemSet.prototype.reflow = function reflow () { - var changed = 0, - options = this.options, - marginAxis = (options.margin && 'axis' in options.margin) ? options.margin.axis : this.defaultOptions.margin.axis, - marginItem = (options.margin && 'item' in options.margin) ? options.margin.item : this.defaultOptions.margin.item, - update = util.updateProperty, - asNumber = util.option.asNumber, - asSize = util.option.asSize, - frame = this.frame; - - if (frame) { - this._updateConversion(); - - util.forEach(this.items, function (item) { - changed += item.reflow(); - }); - - // TODO: stack.update should be triggered via an event, in stack itself - // TODO: only update the stack when there are changed items - this.stack.update(); - - var maxHeight = asNumber(options.maxHeight); - var fixedHeight = (asSize(options.height) != null); - var height; - if (fixedHeight) { - height = frame.offsetHeight; - } - else { - // height is not specified, determine the height from the height and positioned items - var visibleItems = this.stack.ordered; // TODO: not so nice way to get the filtered items - 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)); - }); - height = (max - min) + marginAxis + marginItem; - } - else { - height = marginAxis + marginItem; - } - } - if (maxHeight != null) { - height = Math.min(height, maxHeight); - } - changed += update(this, 'height', height); - - // calculate height from items - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - changed += update(this, 'width', frame.offsetWidth); - } - else { - changed += 1; - } - - return (changed > 0); -}; - -/** - * Hide this component from the DOM - * @return {Boolean} changed - */ -ItemSet.prototype.hide = function hide() { - var changed = false; - - // remove the DOM - if (this.frame && this.frame.parentNode) { - this.frame.parentNode.removeChild(this.frame); - changed = true; - } - if (this.dom.axis && this.dom.axis.parentNode) { - this.dom.axis.parentNode.removeChild(this.dom.axis); - changed = true; - } - - return changed; -}; - /** * Set items * @param {vis.DataSet | null} items @@ -587,7 +469,9 @@ ItemSet.prototype.removeItem = function removeItem (id) { // confirm deletion this.options.onRemove(item, function (item) { if (item) { - dataset.remove(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); } }); } @@ -599,17 +483,58 @@ ItemSet.prototype.removeItem = function removeItem (id) { * @private */ ItemSet.prototype._onUpdate = function _onUpdate(ids) { - this._toQueue('update', ids); + var me = this, + items = this.items, + itemOptions = this.itemOptions; + + ids.forEach(function (id) { + var itemData = me.itemsData.get(id), + item = items[id], + type = itemData.type || + (itemData.start && itemData.end && 'range') || + me.options.type || + 'box'; + + var constructor = ItemSet.types[type]; + + if (item) { + // update item + if (!constructor || !(item instanceof constructor)) { + // item type has changed, hide and delete the item + item.hide(); + item = null; + } + else { + item.data = itemData; // TODO: create a method item.setData ? + } + } + + if (!item) { + // create item + if (constructor) { + item = new constructor(me, itemData, me.options, itemOptions); + item.id = id; + } + else { + throw new TypeError('Unknown item type "' + type + '"'); + } + } + + me.items[id] = item; + }); + + this._order(); + + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); }; /** - * Handle changed items + * Handle added items * @param {Number[]} ids * @private */ -ItemSet.prototype._onAdd = function _onAdd(ids) { - this._toQueue('add', ids); -}; +ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate; /** * Handle removed items @@ -617,73 +542,42 @@ ItemSet.prototype._onAdd = function _onAdd(ids) { * @private */ ItemSet.prototype._onRemove = function _onRemove(ids) { - this._toQueue('remove', ids); -}; - -/** - * Put items in the queue to be added/updated/remove - * @param {String} action can be 'add', 'update', 'remove' - * @param {Number[]} ids - */ -ItemSet.prototype._toQueue = function _toQueue(action, ids) { - var queue = this.queue; + var count = 0; + var me = this; ids.forEach(function (id) { - queue[id] = { - id: id, - action: action - }; + var item = me.items[id]; + if (item) { + count++; + item.hide(); + delete me.items[id]; + delete me.visibleItems[id]; + + // remove from selection + var index = me.selection.indexOf(id); + if (index != -1) me.selection.splice(index, 1); + } }); - if (this.controller) { - //this.requestReflow(); - this.requestRepaint(); + if (count) { + // update order + this._order(); + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); } }; /** - * Calculate the scale and offset to convert a position on screen to the - * corresponding date and vice versa. - * After the method _updateConversion is executed once, the methods toTime - * and toScreen can be used. + * Order the items * @private */ -ItemSet.prototype._updateConversion = function _updateConversion() { - var range = this.range; - if (!range) { - throw new Error('No range configured'); - } - - if (range.conversion) { - this.conversion = range.conversion(this.width); - } - else { - this.conversion = Range.conversion(range.start, range.end, this.width); - } -}; - -/** - * Convert a position on screen (pixels) to a datetime - * Before this method can be used, the method _updateConversion must be - * executed once. - * @param {int} x Position on the screen in pixels - * @return {Date} time The datetime the corresponds with given position x - */ -ItemSet.prototype.toTime = function toTime(x) { - var conversion = this.conversion; - return new Date(x / conversion.scale + conversion.offset); -}; - -/** - * Convert a datetime (Date object) into a position on the screen - * Before this method can be used, the method _updateConversion must be - * executed once. - * @param {Date} time A date - * @return {int} x The position on the screen in pixels which corresponds - * with the given date. - */ -ItemSet.prototype.toScreen = function toScreen(time) { - var conversion = this.conversion; - return (time.valueOf() - conversion.offset) * conversion.scale; +ItemSet.prototype._order = function _order() { + var array = util.toArray(this.items); + this.orderedItems.byStart = array; + this.orderedItems.byEnd = [].concat(array); + + // reorder the items + this.stack.orderByStart(this.orderedItems.byStart); + this.stack.orderByEnd(this.orderedItems.byEnd); }; /** @@ -746,7 +640,8 @@ ItemSet.prototype._onDrag = function (event) { if (this.touchParams.itemProps) { var snap = this.options.snap || null, deltaX = event.gesture.deltaX, - offset = deltaX / this.conversion.scale; + scale = (this.width / (this.range.end - this.range.start)), + offset = deltaX / scale; // move this.touchParams.itemProps.forEach(function (props) { @@ -764,7 +659,8 @@ ItemSet.prototype._onDrag = function (event) { // TODO: implement dragging from one group to another - this.requestReflow(); + this.stackDirty = true; // force re-stacking of all items next repaint + this.emit('change'); event.stopPropagation(); } @@ -780,8 +676,7 @@ ItemSet.prototype._onDragEnd = function (event) { // prepare a change set for the changed items var changes = [], me = this, - dataset = this._myDataSet(), - type; + dataset = this._myDataSet(); this.touchParams.itemProps.forEach(function (props) { var id = props.item.id, @@ -802,13 +697,16 @@ ItemSet.prototype._onDragEnd = function (event) { me.options.onMove(item, function (item) { if (item) { // apply changes + item[dataset.fieldId] = id; // ensure the item contains its id (can be undefined) changes.push(item); } else { // restore original values if ('start' in props) props.item.data.start = props.start; if ('end' in props) props.item.data.end = props.end; - me.requestReflow(); + + me.stackDirty = true; // force re-stacking of all items next repaint + me.emit('change'); } }); } diff --git a/src/timeline/component/Panel.js b/src/timeline/component/Panel.js index a6fc5f06..615636e3 100644 --- a/src/timeline/component/Panel.js +++ b/src/timeline/component/Panel.js @@ -1,8 +1,5 @@ /** * A panel can contain components - * @param {Component} [parent] - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) * @param {Object} [options] Available parameters: * {String | Number | function} [left] * {String | Number | function} [top] @@ -12,12 +9,15 @@ * @constructor Panel * @extends Component */ -function Panel(parent, depends, options) { +function Panel(options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; + this.parent = null; + this.childs = []; this.options = options || {}; + + // create frame + this.frame = (typeof document !== 'undefined') ? document.createElement('div') : null; } Panel.prototype = new Component(); @@ -34,79 +34,137 @@ Panel.prototype = new Component(); Panel.prototype.setOptions = Component.prototype.setOptions; /** - * Get the container element of the panel, which can be used by a child to - * add its own widgets. - * @returns {HTMLElement} container + * Get the outer frame of the panel + * @returns {HTMLElement} frame */ -Panel.prototype.getContainer = function () { +Panel.prototype.getFrame = function () { return this.frame; }; /** - * Repaint the component - * @return {Boolean} changed + * Append a child to the panel + * @param {Component} child */ -Panel.prototype.repaint = function () { - var changed = 0, - update = util.updateProperty, - asSize = util.option.asSize, - options = this.options, - frame = this.frame; - if (!frame) { - frame = document.createElement('div'); - frame.className = 'vpanel'; - - var className = options.className; - if (className) { - if (typeof className == 'function') { - util.addClassName(frame, String(className())); +Panel.prototype.appendChild = function (child) { + this.childs.push(child); + child.parent = this; + + // attach to the DOM + var frame = child.getFrame(); + if (frame) { + if (frame.parentNode) { + frame.parentNode.removeChild(frame); + } + this.frame.appendChild(frame); + } +}; + +/** + * Insert a child to the panel + * @param {Component} child + * @param {Component} beforeChild + */ +Panel.prototype.insertBefore = function (child, beforeChild) { + var index = this.childs.indexOf(beforeChild); + if (index != -1) { + this.childs.splice(index, 0, child); + child.parent = this; + + // attach to the DOM + var frame = child.getFrame(); + if (frame) { + if (frame.parentNode) { + frame.parentNode.removeChild(frame); + } + + var beforeFrame = beforeChild.getFrame(); + if (beforeFrame) { + this.frame.insertBefore(frame, beforeFrame); } else { - util.addClassName(frame, String(className)); + this.frame.appendChild(frame); } } - - this.frame = frame; - changed += 1; } - if (!frame.parentNode) { - if (!this.parent) { - throw new Error('Cannot repaint panel: no parent attached'); - } - var parentContainer = this.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint panel: parent has no container element'); +}; + +/** + * Remove a child from the panel + * @param {Component} child + */ +Panel.prototype.removeChild = function (child) { + var index = this.childs.indexOf(child); + if (index != -1) { + this.childs.splice(index, 1); + child.parent = null; + + // remove from the DOM + var frame = child.getFrame(); + if (frame && frame.parentNode) { + this.frame.removeChild(frame); } - parentContainer.appendChild(frame); - changed += 1; } +}; - changed += update(frame.style, 'top', asSize(options.top, '0px')); - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - changed += update(frame.style, 'height', asSize(options.height, '100%')); - - return (changed > 0); +/** + * Test whether the panel contains given child + * @param {Component} child + */ +Panel.prototype.hasChild = function (child) { + var index = this.childs.indexOf(child); + return (index != -1); }; /** - * Reflow the component - * @return {Boolean} resized + * Repaint the component + * @return {boolean} Returns true if the component was resized since previous repaint */ -Panel.prototype.reflow = function () { - var changed = 0, - update = util.updateProperty, - frame = this.frame; +Panel.prototype.repaint = function () { + var asString = util.option.asString, + options = this.options, + frame = this.getFrame(); - if (frame) { - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - changed += update(this, 'width', frame.offsetWidth); - changed += update(this, 'height', frame.offsetHeight); - } - else { - changed += 1; + // update className + frame.className = 'vpanel' + (options.className ? (' ' + asString(options.className)) : ''); + + // repaint the child components + var childsResized = this._repaintChilds(); + + // update frame size + this._updateSize(); + + return this._isResized() || childsResized; +}; + +/** + * Repaint all childs of the panel + * @return {boolean} Returns true if the component is resized + * @private + */ +Panel.prototype._repaintChilds = function () { + var resized = false; + for (var i = 0, ii = this.childs.length; i < ii; i++) { + resized = this.childs[i].repaint() || resized; } + return resized; +}; + +/** + * Apply the size from options to the panel, and recalculate it's actual size. + * @private + */ +Panel.prototype._updateSize = function () { + // apply size + this.frame.style.top = util.option.asSize(this.options.top); + this.frame.style.bottom = util.option.asSize(this.options.bottom); + this.frame.style.left = util.option.asSize(this.options.left); + this.frame.style.right = util.option.asSize(this.options.right); + this.frame.style.width = util.option.asSize(this.options.width, '100%'); + this.frame.style.height = util.option.asSize(this.options.height, ''); - return (changed > 0); + // get actual size + this.top = this.frame.offsetTop; + this.left = this.frame.offsetLeft; + this.width = this.frame.offsetWidth; + this.height = this.frame.offsetHeight; }; diff --git a/src/timeline/component/RootPanel.js b/src/timeline/component/RootPanel.js index 35f6710c..4ec47e6b 100644 --- a/src/timeline/component/RootPanel.js +++ b/src/timeline/component/RootPanel.js @@ -10,32 +10,53 @@ function RootPanel(container, options) { this.id = util.randomUUID(); this.container = container; - // create functions to be used as DOM event listeners - var me = this; - this.hammer = null; + this.options = options || {}; + this.defaultOptions = { + autoResize: true + }; + + // create the HTML DOM + this._create(); + + // attach the root panel to the provided container + if (!this.container) throw new Error('Cannot repaint root panel: no container attached'); + this.container.appendChild(this.getFrame()); + + + this._initWatch(); +} + +RootPanel.prototype = new Panel(); - // create listeners for all interesting events, these events will be emitted - // via the controller +/** + * Create the HTML DOM for the root panel + */ +RootPanel.prototype._create = function _create() { + // create frame + this.frame = document.createElement('div'); + + // create event listeners for all interesting events, these events will be + // emitted via emitter + this.hammer = Hammer(this.frame, { + prevent_default: true + }); + this.listeners = {}; + + var me = this; var events = [ 'touch', 'pinch', 'tap', 'doubletap', 'hold', 'dragstart', 'drag', 'dragend', 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is for Firefox ]; - this.listeners = {}; events.forEach(function (event) { - me.listeners[event] = function () { + var listener = function () { var args = [event].concat(Array.prototype.slice.call(arguments, 0)); - me.controller.emit.apply(me.controller, args); + me.emit.apply(me, args); }; + me.hammer.on(event, listener); + me.listeners[event] = listener; }); - - this.options = options || {}; - this.defaultOptions = { - autoResize: true - }; -} - -RootPanel.prototype = new Panel(); +}; /** * Set options. Will extend the current options. @@ -47,80 +68,53 @@ RootPanel.prototype = new Panel(); * {String | Number | function} [height] * {Boolean | function} [autoResize] */ -RootPanel.prototype.setOptions = Component.prototype.setOptions; - -/** - * Repaint the component - * @return {Boolean} changed - */ -RootPanel.prototype.repaint = function () { - var changed = 0, - update = util.updateProperty, - asSize = util.option.asSize, - options = this.options, - frame = this.frame; +RootPanel.prototype.setOptions = function setOptions(options) { + if (options) { + util.extend(this.options, options); - if (!frame) { - frame = document.createElement('div'); - - this.frame = frame; - - this._registerListeners(); - - changed += 1; - } - if (!frame.parentNode) { - if (!this.container) { - throw new Error('Cannot repaint root panel: no container attached'); - } - this.container.appendChild(frame); - changed += 1; - } + this.repaint(); - frame.className = 'vis timeline rootpanel ' + options.orientation + - (options.editable ? ' editable' : ''); - var className = options.className; - if (className) { - util.addClassName(frame, util.option.asString(className)); + this._initWatch(); } +}; - changed += update(frame.style, 'top', asSize(options.top, '0px')); - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - changed += update(frame.style, 'height', asSize(options.height, '100%')); - - this._updateWatch(); - - return (changed > 0); +/** + * Get the frame of the root panel + */ +RootPanel.prototype.getFrame = function getFrame() { + return this.frame; }; /** - * Reflow the component - * @return {Boolean} resized + * Repaint the root panel */ -RootPanel.prototype.reflow = function () { - var changed = 0, - update = util.updateProperty, - frame = this.frame; - - if (frame) { - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); - changed += update(this, 'width', frame.offsetWidth); - changed += update(this, 'height', frame.offsetHeight); - } - else { - changed += 1; +RootPanel.prototype.repaint = function repaint() { + // update class name + var options = this.options; + var className = 'vis timeline rootpanel ' + options.orientation + (options.editable ? ' editable' : ''); + if (options.className) className += ' ' + util.option.asString(className); + this.frame.className = className; + + // repaint the child components + var childsResized = this._repaintChilds(); + + // update frame size + this.frame.style.maxHeight = util.option.asSize(this.options.maxHeight, ''); + this._updateSize(); + + // if the root panel or any of its childs is resized, repaint again, + // as other components may need to be resized accordingly + var resized = this._isResized() || childsResized; + if (resized) { + setTimeout(this.repaint.bind(this), 0); } - - return (changed > 0); }; /** - * Update watching for resize, depending on the current option + * Initialize watching when option autoResize is true * @private */ -RootPanel.prototype._updateWatch = function () { +RootPanel.prototype._initWatch = function _initWatch() { var autoResize = this.getOption('autoResize'); if (autoResize) { this._watch(); @@ -135,12 +129,12 @@ RootPanel.prototype._updateWatch = function () { * automatically redraw itself. * @private */ -RootPanel.prototype._watch = function () { +RootPanel.prototype._watch = function _watch() { var me = this; this._unwatch(); - var checkSize = function () { + var checkSize = function checkSize() { var autoResize = me.getOption('autoResize'); if (!autoResize) { // stop watching when the option autoResize is changed to false @@ -150,9 +144,12 @@ RootPanel.prototype._watch = function () { if (me.frame) { // check whether the frame is resized - if ((me.frame.clientWidth != me.width) || - (me.frame.clientHeight != me.height)) { - me.requestReflow(); + if ((me.frame.clientWidth != me.lastWidth) || + (me.frame.clientHeight != me.lastHeight)) { + me.lastWidth = me.frame.clientWidth; + me.lastHeight = me.frame.clientHeight; + me.repaint(); + // TODO: emit a resize event instead? } } }; @@ -167,7 +164,7 @@ RootPanel.prototype._watch = function () { * Stop watching for a resize of the frame. * @private */ -RootPanel.prototype._unwatch = function () { +RootPanel.prototype._unwatch = function _unwatch() { if (this.watchTimer) { clearInterval(this.watchTimer); this.watchTimer = undefined; @@ -175,53 +172,3 @@ RootPanel.prototype._unwatch = function () { // TODO: remove event listener on window.resize }; - -/** - * Set controller for this component, or remove current controller by passing - * null as parameter value. - * @param {Controller | null} controller - */ -RootPanel.prototype.setController = function setController (controller) { - this.controller = controller || null; - - if (this.controller) { - this._registerListeners(); - } - else { - this._unregisterListeners(); - } -}; - -/** - * Register event emitters emitted by the rootpanel - * @private - */ -RootPanel.prototype._registerListeners = function () { - if (this.frame && this.controller && !this.hammer) { - this.hammer = Hammer(this.frame, { - prevent_default: true - }); - - for (var event in this.listeners) { - if (this.listeners.hasOwnProperty(event)) { - this.hammer.on(event, this.listeners[event]); - } - } - } -}; - -/** - * Unregister event emitters from the rootpanel - * @private - */ -RootPanel.prototype._unregisterListeners = function () { - if (this.hammer) { - for (var event in this.listeners) { - if (this.listeners.hasOwnProperty(event)) { - this.hammer.off(event, this.listeners[event]); - } - } - - this.hammer = null; - } -}; diff --git a/src/timeline/component/TimeAxis.js b/src/timeline/component/TimeAxis.js index cfee216d..feaf074c 100644 --- a/src/timeline/component/TimeAxis.js +++ b/src/timeline/component/TimeAxis.js @@ -1,17 +1,12 @@ /** * A horizontal time axis - * @param {Component} parent - * @param {Component[]} [depends] Components on which this components depends - * (except for the parent) * @param {Object} [options] See TimeAxis.setOptions for the available * options. * @constructor TimeAxis * @extends Component */ -function TimeAxis (parent, depends, options) { +function TimeAxis (options) { this.id = util.randomUUID(); - this.parent = parent; - this.depends = depends; this.dom = { majorLines: [], @@ -42,8 +37,10 @@ function TimeAxis (parent, depends, options) { showMajorLabels: true }; - this.conversion = null; this.range = null; + + // create the HTML DOM + this._create(); } TimeAxis.prototype = new Component(); @@ -51,6 +48,13 @@ TimeAxis.prototype = new Component(); // TODO: comment options TimeAxis.prototype.setOptions = Component.prototype.setOptions; +/** + * Create the HTML DOM for the TimeAxis + */ +TimeAxis.prototype._create = function _create() { + this.frame = document.createElement('div'); +}; + /** * Set a range (start and end) * @param {Range | Object} range A Range or an object containing start and end. @@ -64,126 +68,70 @@ TimeAxis.prototype.setRange = function (range) { }; /** - * 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 - */ -TimeAxis.prototype.toTime = function(x) { - var conversion = this.conversion; - return new Date(x / conversion.scale + conversion.offset); -}; - -/** - * 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 + * Get the outer frame of the time axis + * @return {HTMLElement} frame */ -TimeAxis.prototype.toScreen = function(time) { - var conversion = this.conversion; - return (time.valueOf() - conversion.offset) * conversion.scale; +TimeAxis.prototype.getFrame = function getFrame() { + return this.frame; }; /** * Repaint the component - * @return {Boolean} changed + * @return {boolean} Returns true if the component is resized */ TimeAxis.prototype.repaint = function () { - var changed = 0, - update = util.updateProperty, - asSize = util.option.asSize, + var asSize = util.option.asSize, options = this.options, - orientation = this.getOption('orientation'), props = this.props, - step = this.step; - - var frame = this.frame; - if (!frame) { - frame = document.createElement('div'); - this.frame = frame; - changed += 1; - } - frame.className = 'axis'; - // TODO: custom className? - - if (!frame.parentNode) { - if (!this.parent) { - throw new Error('Cannot repaint time axis: no parent attached'); - } - var parentContainer = this.parent.getContainer(); - if (!parentContainer) { - throw new Error('Cannot repaint time axis: parent has no container element'); - } - parentContainer.appendChild(frame); + frame = this.frame; - changed += 1; - } + // update classname + frame.className = 'timeaxis'; // TODO: add className from options if defined var parent = frame.parentNode; if (parent) { - var beforeChild = frame.nextSibling; - parent.removeChild(frame); // take frame offline while updating (is almost twice as fast) - - var defaultTop = (orientation == 'bottom' && this.props.parentHeight && this.height) ? - (this.props.parentHeight - this.height) + 'px' : - '0px'; - changed += update(frame.style, 'top', asSize(options.top, defaultTop)); - changed += update(frame.style, 'left', asSize(options.left, '0px')); - changed += update(frame.style, 'width', asSize(options.width, '100%')); - changed += update(frame.style, 'height', asSize(options.height, this.height + 'px')); - - // get characters width and height - this._repaintMeasureChars(); - - if (this.step) { - this._repaintStart(); - - step.first(); - var xFirstMajorLabel = undefined; - var max = 0; - while (step.hasNext() && max < 1000) { - max++; - var cur = step.getCurrent(), - x = this.toScreen(cur), - isMajor = step.isMajor(); - - // TODO: lines must have a width, such that we can create css backgrounds - - if (this.getOption('showMinorLabels')) { - this._repaintMinorText(x, step.getLabelMinor()); - } - - if (isMajor && this.getOption('showMajorLabels')) { - if (x > 0) { - if (xFirstMajorLabel == undefined) { - xFirstMajorLabel = x; - } - this._repaintMajorText(x, step.getLabelMajor()); - } - this._repaintMajorLine(x); - } - else { - this._repaintMinorLine(x); - } + // calculate character width and height + this._calculateCharSize(); - step.next(); - } + // TODO: recalculate sizes only needed when parent is resized or options is changed + var orientation = this.getOption('orientation'), + showMinorLabels = this.getOption('showMinorLabels'), + showMajorLabels = this.getOption('showMajorLabels'); - // create a major label on the left when needed - if (this.getOption('showMajorLabels')) { - var leftTime = this.toTime(0), - leftText = step.getLabelMajor(leftTime), - widthText = leftText.length * (props.majorCharWidth || 10) + 10; // upper bound estimation + // determine the width and height of the elemens for the axis + var parentHeight = this.parent.height; + props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; + props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; + this.height = props.minorLabelHeight + props.majorLabelHeight; + this.width = frame.offsetWidth; // TODO: only update the width when the frame is resized? - if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { - this._repaintMajorText(0, leftText); - } - } + props.minorLineHeight = parentHeight + props.minorLabelHeight; + props.minorLineWidth = 1; // TODO: really calculate width + props.majorLineHeight = parentHeight + this.height; + props.majorLineWidth = 1; // TODO: really calculate width - this._repaintEnd(); + // take frame offline while updating (is almost twice as fast) + var beforeChild = frame.nextSibling; + parent.removeChild(frame); + + // TODO: top/bottom positioning should be determined by options set in the Timeline, not here + if (orientation == 'top') { + frame.style.top = '0'; + frame.style.left = '0'; + frame.style.bottom = ''; + frame.style.width = asSize(options.width, '100%'); + frame.style.height = this.height + 'px'; + } + else { // bottom + frame.style.top = ''; + frame.style.bottom = '0'; + frame.style.left = '0'; + frame.style.width = asSize(options.width, '100%'); + frame.style.height = this.height + 'px'; } + this._repaintLabels(); + this._repaintLine(); // put frame online again @@ -195,34 +143,80 @@ TimeAxis.prototype.repaint = function () { } } - return (changed > 0); + return this._isResized(); }; /** - * Start a repaint. Move all DOM elements to a redundant list, where they - * can be picked for re-use, or can be cleaned up in the end + * Repaint major and minor text labels and vertical grid lines * @private */ -TimeAxis.prototype._repaintStart = function () { - var dom = this.dom, - redundant = dom.redundant; - - redundant.majorLines = dom.majorLines; - redundant.majorTexts = dom.majorTexts; - redundant.minorLines = dom.minorLines; - redundant.minorTexts = dom.minorTexts; - +TimeAxis.prototype._repaintLabels = function () { + var orientation = this.getOption('orientation'); + + // calculate range and step + var start = util.convert(this.range.start, 'Number'), + end = util.convert(this.range.end, 'Number'), + minimumStep = this.options.toTime((this.props.minorCharWidth || 10) * 5).valueOf() + -this.options.toTime(0).valueOf(); + var step = new TimeStep(new Date(start), new Date(end), minimumStep); + 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 = []; -}; -/** - * End a repaint. Cleanup leftover DOM elements in the redundant list - * @private - */ -TimeAxis.prototype._repaintEnd = function () { + step.first(); + var xFirstMajorLabel = undefined; + var max = 0; + while (step.hasNext() && max < 1000) { + max++; + var cur = step.getCurrent(), + x = this.options.toScreen(cur), + isMajor = step.isMajor(); + + // TODO: lines must have a width, such that we can create css backgrounds + + if (this.getOption('showMinorLabels')) { + this._repaintMinorText(x, step.getLabelMinor(), orientation); + } + + if (isMajor && this.getOption('showMajorLabels')) { + if (x > 0) { + if (xFirstMajorLabel == undefined) { + xFirstMajorLabel = x; + } + this._repaintMajorText(x, step.getLabelMajor(), orientation); + } + this._repaintMajorLine(x, orientation); + } + else { + this._repaintMinorLine(x, orientation); + } + + step.next(); + } + + // create a major label on the left when needed + if (this.getOption('showMajorLabels')) { + var leftTime = this.options.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(); @@ -233,14 +227,14 @@ TimeAxis.prototype._repaintEnd = function () { }); }; - /** * Create a minor label for the axis at position x * @param {Number} x * @param {String} text + * @param {String} orientation "top" or "bottom" (default) * @private */ -TimeAxis.prototype._repaintMinorText = function (x, text) { +TimeAxis.prototype._repaintMinorText = function (x, text, orientation) { // reuse redundant label var label = this.dom.redundant.minorTexts.shift(); @@ -255,8 +249,16 @@ TimeAxis.prototype._repaintMinorText = function (x, text) { this.dom.minorTexts.push(label); label.childNodes[0].nodeValue = text; + + if (orientation == 'top') { + label.style.top = this.props.majorLabelHeight + 'px'; + label.style.bottom = ''; + } + else { + label.style.top = ''; + label.style.bottom = this.props.majorLabelHeight + 'px'; + } label.style.left = x + 'px'; - label.style.top = this.props.minorLabelTop + 'px'; //label.title = title; // TODO: this is a heavy operation }; @@ -264,9 +266,10 @@ TimeAxis.prototype._repaintMinorText = function (x, text) { * 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) { +TimeAxis.prototype._repaintMajorText = function (x, text, orientation) { // reuse redundant label var label = this.dom.redundant.majorTexts.shift(); @@ -281,17 +284,26 @@ TimeAxis.prototype._repaintMajorText = function (x, text) { this.dom.majorTexts.push(label); label.childNodes[0].nodeValue = text; - label.style.top = this.props.majorLabelTop + 'px'; - label.style.left = x + 'px'; //label.title = title; // TODO: this is a heavy operation + + if (orientation == 'top') { + label.style.top = '0px'; + label.style.bottom = ''; + } + else { + label.style.top = ''; + label.style.bottom = '0px'; + } + 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 */ -TimeAxis.prototype._repaintMinorLine = function (x) { +TimeAxis.prototype._repaintMinorLine = function (x, orientation) { // reuse redundant line var line = this.dom.redundant.minorLines.shift(); @@ -304,7 +316,14 @@ TimeAxis.prototype._repaintMinorLine = function (x) { this.dom.minorLines.push(line); var props = this.props; - line.style.top = props.minorLineTop + 'px'; + if (orientation == 'top') { + line.style.top = this.props.majorLabelHeight + 'px'; + line.style.bottom = ''; + } + else { + line.style.top = ''; + line.style.bottom = this.props.majorLabelHeight + 'px'; + } line.style.height = props.minorLineHeight + 'px'; line.style.left = (x - props.minorLineWidth / 2) + 'px'; }; @@ -312,9 +331,10 @@ TimeAxis.prototype._repaintMinorLine = function (x) { /** * 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) { +TimeAxis.prototype._repaintMajorLine = function (x, orientation) { // reuse redundant line var line = this.dom.redundant.majorLines.shift(); @@ -327,7 +347,14 @@ TimeAxis.prototype._repaintMajorLine = function (x) { this.dom.majorLines.push(line); var props = this.props; - line.style.top = props.majorLineTop + 'px'; + if (orientation == 'top') { + line.style.top = '0px'; + line.style.bottom = ''; + } + else { + line.style.top = ''; + line.style.bottom = '0px'; + } line.style.left = (x - props.majorLineWidth / 2) + 'px'; line.style.height = props.majorLineHeight + 'px'; }; @@ -340,7 +367,7 @@ TimeAxis.prototype._repaintMajorLine = function (x) { TimeAxis.prototype._repaintLine = function() { var line = this.dom.line, frame = this.frame, - options = this.options; + orientation = this.getOption('orientation'); // line before all axis elements if (this.getOption('showMinorLabels') || this.getOption('showMajorLabels')) { @@ -357,167 +384,54 @@ TimeAxis.prototype._repaintLine = function() { this.dom.line = line; } - line.style.top = this.props.lineTop + 'px'; + if (orientation == 'top') { + line.style.top = this.height + 'px'; + line.style.bottom = ''; + } + else { + line.style.top = ''; + line.style.bottom = this.height + 'px'; + } } else { - if (line && line.parentElement) { - frame.removeChild(line.line); + if (line && line.parentNode) { + line.parentNode.removeChild(line); delete this.dom.line; } } }; /** - * Create characters used to determine the size of text on the axis + * Determine the size of text on the axis (both major and minor axis). + * The size is calculated only once and then cached in this.props. * @private */ -TimeAxis.prototype._repaintMeasureChars = function () { - // calculate the width and height of a single character - // this is used to calculate the step size, and also the positioning of the - // axis - var dom = this.dom, - text; - - if (!dom.measureCharMinor) { - text = document.createTextNode('0'); +TimeAxis.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 = 'text minor measure'; - measureCharMinor.appendChild(text); + measureCharMinor.appendChild(textMinor); this.frame.appendChild(measureCharMinor); - dom.measureCharMinor = measureCharMinor; + this.props.minorCharHeight = measureCharMinor.clientHeight; + this.props.minorCharWidth = measureCharMinor.clientWidth; + + this.frame.removeChild(measureCharMinor); } - if (!dom.measureCharMajor) { - text = document.createTextNode('0'); + if (!('majorCharHeight' in this.props)) { + var textMajor = document.createTextNode('0'); var measureCharMajor = document.createElement('DIV'); measureCharMajor.className = 'text major measure'; - measureCharMajor.appendChild(text); + measureCharMajor.appendChild(textMajor); this.frame.appendChild(measureCharMajor); - dom.measureCharMajor = measureCharMajor; - } -}; - -/** - * Reflow the component - * @return {Boolean} resized - */ -TimeAxis.prototype.reflow = function () { - var changed = 0, - update = util.updateProperty, - frame = this.frame, - range = this.range; - - if (!range) { - throw new Error('Cannot repaint time axis: no range configured'); - } - - if (frame) { - changed += update(this, 'top', frame.offsetTop); - changed += update(this, 'left', frame.offsetLeft); + this.props.majorCharHeight = measureCharMajor.clientHeight; + this.props.majorCharWidth = measureCharMajor.clientWidth; - // calculate size of a character - var props = this.props, - showMinorLabels = this.getOption('showMinorLabels'), - showMajorLabels = this.getOption('showMajorLabels'), - measureCharMinor = this.dom.measureCharMinor, - measureCharMajor = this.dom.measureCharMajor; - if (measureCharMinor) { - props.minorCharHeight = measureCharMinor.clientHeight; - props.minorCharWidth = measureCharMinor.clientWidth; - } - if (measureCharMajor) { - props.majorCharHeight = measureCharMajor.clientHeight; - props.majorCharWidth = measureCharMajor.clientWidth; - } - - var parentHeight = frame.parentNode ? frame.parentNode.offsetHeight : 0; - if (parentHeight != props.parentHeight) { - props.parentHeight = parentHeight; - changed += 1; - } - switch (this.getOption('orientation')) { - case 'bottom': - props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; - props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; - - props.minorLabelTop = 0; - props.majorLabelTop = props.minorLabelTop + props.minorLabelHeight; - - props.minorLineTop = -this.top; - props.minorLineHeight = Math.max(this.top + props.majorLabelHeight, 0); - props.minorLineWidth = 1; // TODO: really calculate width - - props.majorLineTop = -this.top; - props.majorLineHeight = Math.max(this.top + props.minorLabelHeight + props.majorLabelHeight, 0); - props.majorLineWidth = 1; // TODO: really calculate width - - props.lineTop = 0; - - break; - - case 'top': - props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; - props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; - - props.majorLabelTop = 0; - props.minorLabelTop = props.majorLabelTop + props.majorLabelHeight; - - props.minorLineTop = props.minorLabelTop; - props.minorLineHeight = Math.max(parentHeight - props.majorLabelHeight - this.top); - props.minorLineWidth = 1; // TODO: really calculate width - - props.majorLineTop = 0; - props.majorLineHeight = Math.max(parentHeight - this.top); - props.majorLineWidth = 1; // TODO: really calculate width - - props.lineTop = props.majorLabelHeight + props.minorLabelHeight; - - break; - - default: - throw new Error('Unkown orientation "' + this.getOption('orientation') + '"'); - } - - var height = props.minorLabelHeight + props.majorLabelHeight; - changed += update(this, 'width', frame.offsetWidth); - changed += update(this, 'height', height); - - // calculate range and step - this._updateConversion(); - - var start = util.convert(range.start, 'Number'), - end = util.convert(range.end, 'Number'), - minimumStep = this.toTime((props.minorCharWidth || 10) * 5).valueOf() - -this.toTime(0).valueOf(); - this.step = new TimeStep(new Date(start), new Date(end), minimumStep); - changed += update(props.range, 'start', start); - changed += update(props.range, 'end', end); - changed += update(props.range, 'minimumStep', minimumStep.valueOf()); - } - - return (changed > 0); -}; - -/** - * Calculate the scale and offset to convert a position on screen to the - * corresponding date and vice versa. - * After the method _updateConversion is executed once, the methods toTime - * and toScreen can be used. - * @private - */ -TimeAxis.prototype._updateConversion = function() { - var range = this.range; - if (!range) { - throw new Error('No range configured'); - } - - if (range.conversion) { - this.conversion = range.conversion(this.width); - } - else { - this.conversion = Range.conversion(range.start, range.end, this.width); + this.frame.removeChild(measureCharMajor); } }; diff --git a/src/timeline/component/css/groupset.css b/src/timeline/component/css/groupset.css index 113bc169..69fb5a52 100644 --- a/src/timeline/component/css/groupset.css +++ b/src/timeline/component/css/groupset.css @@ -1,59 +1,43 @@ - .vis.timeline .groupset { - position: absolute; - padding: 0; - margin: 0; + position: relative; } -.vis.timeline .labels { - position: absolute; - top: 0; - left: 0; +.vis.timeline .labelset { + position: relative; width: 100%; - height: 100%; - padding: 0; - margin: 0; + overflow: hidden; - border-right: 1px solid #bfbfbf; -moz-box-sizing: border-box; box-sizing: border-box; } -.vis.timeline .labels .label-set { - position: absolute; - top: 0; - left: 0; - width: 100%; - height: 100%; - - overflow: hidden; - - border-top: none; - border-bottom: 1px solid #bfbfbf; -} - -.vis.timeline .labels .label-set .vlabel { - position: absolute; +.vis.timeline .labelset .vlabel { + position: relative; left: 0; top: 0; width: 100%; color: #4d4d4d; + + -moz-box-sizing: border-box; + box-sizing: border-box; } -.vis.timeline.top .labels .label-set .vlabel, -.vis.timeline.top .groupset .itemset-axis { +.vis.timeline.bottom .labelset .vlabel, +.vis.timeline.top .vpanel.side-content, +.vis.timeline.top .groupset .itemset { border-top: 1px solid #bfbfbf; border-bottom: none; } -.vis.timeline.bottom .labels .label-set .vlabel, -.vis.timeline.bottom .groupset .itemset-axis { +.vis.timeline.top .labelset .vlabel, +.vis.timeline.bottom .vpanel.side-content, +.vis.timeline.bottom .groupset .itemset { border-top: none; border-bottom: 1px solid #bfbfbf; } -.vis.timeline .labels .label-set .vlabel .inner { +.vis.timeline .labelset .vlabel .inner { display: inline-block; padding: 5px; } diff --git a/src/timeline/component/css/item.css b/src/timeline/component/css/item.css index cf5578d6..8e2cfbc3 100644 --- a/src/timeline/component/css/item.css +++ b/src/timeline/component/css/item.css @@ -6,6 +6,11 @@ background-color: #D5DDF6; display: inline-block; padding: 5px; + + /* TODO: enable css transitions + -webkit-transition: top .4s ease-in-out, bottom .4s ease-in-out; + transition: top .4s ease-in-out, bottom .4s ease-in-out; + /**/ } .vis.timeline .item.selected { @@ -22,7 +27,8 @@ background-color: #FFF785; z-index: 999; } -.vis.timeline .item.point.selected .dot { +.vis.timeline .item.point.selected .dot, +.vis.timeline .item.dot.selected { border-color: #FFC200; } @@ -83,6 +89,11 @@ width: 0; border-left-width: 1px; border-left-style: solid; + + /* TODO: enable css transitions + -webkit-transition: height .4s ease-in-out, top .4s ease-in-out; + transition: height .4s ease-in-out, top .4s ease-in-out; + /**/ } .vis.timeline .item .content { diff --git a/src/timeline/component/css/itemset.css b/src/timeline/component/css/itemset.css index c21d8fa1..f185baa4 100644 --- a/src/timeline/component/css/itemset.css +++ b/src/timeline/component/css/itemset.css @@ -1,9 +1,16 @@ .vis.timeline .itemset { - position: absolute; + position: relative; padding: 0; margin: 0; - overflow: hidden; + + -moz-box-sizing: border-box; + box-sizing: border-box; + + /* FIXME: get transition working for rootpanel and itemset + -webkit-transition: height 4s ease-in-out; + transition: height 4s ease-in-out; + /**/ } .vis.timeline .background { @@ -12,6 +19,6 @@ .vis.timeline .foreground { } -.vis.timeline .itemset-axis { - position: absolute; +.vis.timeline .axis { + overflow: visible; } diff --git a/src/timeline/component/css/panel.css b/src/timeline/component/css/panel.css index ba6c2ae2..83ea8399 100644 --- a/src/timeline/component/css/panel.css +++ b/src/timeline/component/css/panel.css @@ -6,9 +6,25 @@ border: 1px solid #bfbfbf; -moz-box-sizing: border-box; box-sizing: border-box; + + /* FIXME: there is an issue with the height of the items when panel height is animated + -webkit-transition: height 4s ease-in-out; + transition: height 4s ease-in-out; + /**/ } .vis.timeline .vpanel { position: absolute; overflow: hidden; + + -moz-box-sizing: border-box; + box-sizing: border-box; +} + +.vis.timeline .vpanel.side { + border-right: 1px solid #bfbfbf; +} + +.vis.timeline .vpanel.side.hidden { + display: none; } diff --git a/src/timeline/component/css/timeaxis.css b/src/timeline/component/css/timeaxis.css index 91b655b7..38f8ccb9 100644 --- a/src/timeline/component/css/timeaxis.css +++ b/src/timeline/component/css/timeaxis.css @@ -1,15 +1,15 @@ -.vis.timeline .axis { - position: relative; +.vis.timeline .timeaxis { + position: absolute; } -.vis.timeline .axis .text { +.vis.timeline .timeaxis .text { position: absolute; color: #4d4d4d; padding: 3px; white-space: nowrap; } -.vis.timeline .axis .text.measure { +.vis.timeline .timeaxis .text.measure { position: absolute; padding-left: 0; padding-right: 0; @@ -18,13 +18,13 @@ visibility: hidden; } -.vis.timeline .axis .grid.vertical { +.vis.timeline .timeaxis .grid.vertical { position: absolute; width: 0; border-right: 1px solid; } -.vis.timeline .axis .grid.horizontal { +.vis.timeline .timeaxis .grid.horizontal { position: absolute; left: 0; width: 100%; @@ -32,10 +32,10 @@ border-bottom: 1px solid; } -.vis.timeline .axis .grid.minor { +.vis.timeline .timeaxis .grid.minor { border-color: #e5e5e5; } -.vis.timeline .axis .grid.major { +.vis.timeline .timeaxis .grid.major { border-color: #bfbfbf; } diff --git a/src/timeline/component/item/Item.js b/src/timeline/component/item/Item.js index 4b9faf45..0ca1b757 100644 --- a/src/timeline/component/item/Item.js +++ b/src/timeline/component/item/Item.js @@ -15,12 +15,13 @@ function Item (parent, data, options, defaultOptions) { this.defaultOptions = defaultOptions || {}; this.selected = false; - this.visible = false; - this.top = 0; - this.left = 0; - this.width = 0; - this.height = 0; - this.offset = 0; + this.displayed = false; + this.dirty = true; + + this.top = null; + this.left = null; + this.width = null; + this.height = null; } /** @@ -28,7 +29,7 @@ function Item (parent, data, options, defaultOptions) { */ Item.prototype.select = function select() { this.selected = true; - if (this.visible) this.repaint(); + if (this.displayed) this.repaint(); }; /** @@ -36,7 +37,7 @@ Item.prototype.select = function select() { */ Item.prototype.unselect = function unselect() { this.selected = false; - if (this.visible) this.repaint(); + if (this.displayed) this.repaint(); }; /** @@ -57,28 +58,23 @@ Item.prototype.hide = function hide() { /** * Repaint the item - * @return {Boolean} changed */ Item.prototype.repaint = function repaint() { // should be implemented by the item - return false; }; /** - * Reflow the item - * @return {Boolean} resized + * Reposition the Item horizontally */ -Item.prototype.reflow = function reflow() { +Item.prototype.repositionX = function repositionX() { // should be implemented by the item - return false; }; /** - * Give the item a display offset in pixels - * @param {Number} offset Offset on screen in pixels + * Reposition the Item vertically */ -Item.prototype.setOffset = function setOffset(offset) { - this.offset = offset; +Item.prototype.repositionY = function repositionY() { + // should be implemented by the item }; /** diff --git a/src/timeline/component/item/ItemBox.js b/src/timeline/component/item/ItemBox.js index 5415cb04..05aa8ffb 100644 --- a/src/timeline/component/item/ItemBox.js +++ b/src/timeline/component/item/ItemBox.js @@ -11,294 +11,221 @@ function ItemBox (parent, data, options, defaultOptions) { this.props = { dot: { - left: 0, - top: 0, width: 0, height: 0 }, line: { - top: 0, - left: 0, width: 0, height: 0 } }; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } + } + Item.call(this, parent, data, options, defaultOptions); } ItemBox.prototype = new Item (null, null); +/** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ +ItemBox.prototype.isVisible = function isVisible (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); +}; + /** * Repaint the item - * @return {Boolean} changed */ ItemBox.prototype.repaint = function repaint() { - // TODO: make an efficient repaint - var changed = false; var dom = this.dom; - if (!dom) { - this._create(); + // create DOM + this.dom = {}; dom = this.dom; - changed = true; + + // create main box + dom.box = document.createElement('DIV'); + + // contents box (inside the background box). used for making margins + dom.content = document.createElement('DIV'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); + + // line to axis + dom.line = document.createElement('DIV'); + dom.line.className = 'line'; + + // dot on axis + dom.dot = document.createElement('DIV'); + dom.dot.className = 'dot'; + + // attach this item as attribute + dom.box['timeline-item'] = this; } - if (dom) { - if (!this.parent) { - throw new Error('Cannot repaint item: no parent attached'); + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot repaint item: no parent attached'); + } + if (!dom.box.parentNode) { + var foreground = this.parent.getForeground(); + if (!foreground) throw new Error('Cannot repaint time axis: parent has no foreground container element'); + foreground.appendChild(dom.box); + } + if (!dom.line.parentNode) { + var background = this.parent.getBackground(); + if (!background) throw new Error('Cannot repaint time axis: parent has no background container element'); + background.appendChild(dom.line); + } + if (!dom.dot.parentNode) { + var axis = this.parent.getAxis(); + if (!background) throw new Error('Cannot repaint time axis: parent has no axis container element'); + axis.appendChild(dom.dot); + } + this.displayed = true; + + // update contents + if (this.data.content != this.content) { + this.content = this.data.content; + if (this.content instanceof Element) { + dom.content.innerHTML = ''; + dom.content.appendChild(this.content); } - - if (!dom.box.parentNode) { - var foreground = this.parent.getForeground(); - if (!foreground) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no foreground container element'); - } - foreground.appendChild(dom.box); - changed = true; + else if (this.data.content != undefined) { + dom.content.innerHTML = this.content; } - - if (!dom.line.parentNode) { - var background = this.parent.getBackground(); - if (!background) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no background container element'); - } - background.appendChild(dom.line); - changed = true; + else { + throw new Error('Property "content" missing in item ' + this.data.id); } - if (!dom.dot.parentNode) { - var axis = this.parent.getAxis(); - if (!background) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no axis container element'); - } - axis.appendChild(dom.dot); - changed = true; - } + this.dirty = true; + } - this._repaintDeleteButton(dom.box); - - // update contents - if (this.data.content != this.content) { - this.content = this.data.content; - if (this.content instanceof Element) { - dom.content.innerHTML = ''; - dom.content.appendChild(this.content); - } - else if (this.data.content != undefined) { - dom.content.innerHTML = this.content; - } - else { - throw new Error('Property "content" missing in item ' + this.data.id); - } - changed = true; - } + // update class + var className = (this.data.className? ' ' + this.data.className : '') + + (this.selected ? ' selected' : ''); + if (this.className != className) { + this.className = className; + dom.box.className = 'item box' + className; + dom.line.className = 'item line' + className; + dom.dot.className = 'item dot' + className; - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - if (this.className != className) { - this.className = className; - dom.box.className = 'item box' + className; - dom.line.className = 'item line' + className; - dom.dot.className = 'item dot' + className; - changed = true; - } + this.dirty = true; } - return changed; + // recalculate size + if (this.dirty) { + 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 visible). The items DOM will + * Show the item in the DOM (when not already displayed). The items DOM will * be created when needed. - * @return {Boolean} changed */ ItemBox.prototype.show = function show() { - if (!this.dom || !this.dom.box.parentNode) { - return this.repaint(); - } - else { - return false; + if (!this.displayed) { + this.repaint(); } }; /** * Hide the item from the DOM (when visible) - * @return {Boolean} changed */ ItemBox.prototype.hide = function hide() { - var changed = false, - dom = this.dom; - if (dom) { - if (dom.box.parentNode) { - dom.box.parentNode.removeChild(dom.box); - changed = true; - } - if (dom.line.parentNode) { - dom.line.parentNode.removeChild(dom.line); - } - if (dom.dot.parentNode) { - dom.dot.parentNode.removeChild(dom.dot); - } + 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; } - return changed; }; /** - * Reflow the item: calculate its actual size and position from the DOM - * @return {boolean} resized returns true if the axis is resized - * @override + * Reposition the item horizontally + * @Override */ -ItemBox.prototype.reflow = function reflow() { - var changed = 0, - update, - dom, - props, - options, - margin, - start, - align, - orientation, - top, +ItemBox.prototype.repositionX = function repositionX() { + var start = this.defaultOptions.toScreen(this.data.start), + align = this.options.align || this.defaultOptions.align, left, - data, - range; + box = this.dom.box, + line = this.dom.line, + dot = this.dom.dot; - if (this.data.start == undefined) { - throw new Error('Property "start" missing in item ' + this.data.id); + // calculate left position of the box + if (align == 'right') { + this.left = start - this.width; } - - data = this.data; - range = this.parent && this.parent.range; - if (data && range) { - // TODO: account for the width of the item - var interval = (range.end - range.start); - this.visible = (data.start > range.start - interval) && (data.start < range.end + interval); + else if (align == 'left') { + this.left = start; } else { - this.visible = false; + // default or 'center' + this.left = start - this.width / 2; } - if (this.visible) { - dom = this.dom; - if (dom) { - update = util.updateProperty; - props = this.props; - options = this.options; - start = this.parent.toScreen(this.data.start) + this.offset; - align = options.align || this.defaultOptions.align; - margin = options.margin && options.margin.axis || this.defaultOptions.margin.axis; - orientation = options.orientation || this.defaultOptions.orientation; - - changed += update(props.dot, 'height', dom.dot.offsetHeight); - changed += update(props.dot, 'width', dom.dot.offsetWidth); - changed += update(props.line, 'width', dom.line.offsetWidth); - changed += update(props.line, 'height', dom.line.offsetHeight); - changed += update(props.line, 'top', dom.line.offsetTop); - changed += update(this, 'width', dom.box.offsetWidth); - changed += update(this, 'height', dom.box.offsetHeight); - if (align == 'right') { - left = start - this.width; - } - else if (align == 'left') { - left = start; - } - else { - // default or 'center' - left = start - this.width / 2; - } - changed += update(this, 'left', left); - - changed += update(props.line, 'left', start - props.line.width / 2); - changed += update(props.dot, 'left', start - props.dot.width / 2); - changed += update(props.dot, 'top', -props.dot.height / 2); - if (orientation == 'top') { - top = margin; - - changed += update(this, 'top', top); - } - else { - // default or 'bottom' - var parentHeight = this.parent.height; - top = parentHeight - this.height - margin; - - changed += update(this, 'top', top); - } - } - else { - changed += 1; - } - } - - return (changed > 0); -}; - -/** - * Create an items DOM - * @private - */ -ItemBox.prototype._create = function _create() { - var dom = this.dom; - if (!dom) { - this.dom = dom = {}; + // reposition box + box.style.left = this.left + 'px'; - // create the box - dom.box = document.createElement('DIV'); - // className is updated in repaint() + // reposition line + line.style.left = (start - this.props.line.width / 2) + 'px'; - // contents box (inside the background box). used for making margins - dom.content = document.createElement('DIV'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); - - // line to axis - dom.line = document.createElement('DIV'); - dom.line.className = 'line'; - - // dot on axis - dom.dot = document.createElement('DIV'); - dom.dot.className = 'dot'; - - // attach this item as attribute - dom.box['timeline-item'] = this; - } + // reposition dot + dot.style.left = (start - this.props.dot.width / 2) + 'px'; }; /** - * Reposition the item, recalculate its left, top, and width, using the current - * range and size of the items itemset - * @override + * Reposition the item vertically + * @Override */ -ItemBox.prototype.reposition = function reposition() { - var dom = this.dom, - props = this.props, - orientation = this.options.orientation || this.defaultOptions.orientation; - - if (dom) { - var box = dom.box, - line = dom.line, - dot = dom.dot; - - box.style.left = this.left + 'px'; - box.style.top = this.top + 'px'; - - line.style.left = props.line.left + 'px'; - if (orientation == 'top') { - line.style.top = 0 + 'px'; - line.style.height = this.top + 'px'; - } - else { - // orientation 'bottom' - line.style.top = (this.top + this.height) + 'px'; - line.style.height = Math.max(this.parent.height - this.top - this.height + - this.props.dot.height / 2, 0) + 'px'; - } +ItemBox.prototype.repositionY = function repositionY () { + var orientation = this.options.orientation || this.defaultOptions.orientation, + box = this.dom.box, + line = this.dom.line, + dot = this.dom.dot; + + if (orientation == 'top') { + box.style.top = (this.top || 0) + 'px'; + box.style.bottom = ''; + + line.style.top = '0'; + line.style.bottom = ''; + line.style.height = (this.parent.top + this.top + 1) + 'px'; + } + else { // orientation 'bottom' + box.style.top = ''; + box.style.bottom = (this.top || 0) + 'px'; - dot.style.left = props.dot.left + 'px'; - dot.style.top = props.dot.top + 'px'; + line.style.top = (this.parent.top + this.parent.height - this.top - 1) + 'px'; + line.style.bottom = '0'; + line.style.height = ''; } + + dot.style.top = (-this.props.dot.height / 2) + 'px'; }; diff --git a/src/timeline/component/item/ItemPoint.js b/src/timeline/component/item/ItemPoint.js index 776ec14a..3fe16be1 100644 --- a/src/timeline/component/item/ItemPoint.js +++ b/src/timeline/component/item/ItemPoint.js @@ -21,219 +21,170 @@ function ItemPoint (parent, data, options, defaultOptions) { } }; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data); + } + } + Item.call(this, parent, data, options, defaultOptions); } ItemPoint.prototype = new Item (null, null); +/** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ +ItemPoint.prototype.isVisible = function isVisible (range) { + // determine visibility + var interval = (range.end - range.start); + return (this.data.start > range.start - interval) && (this.data.start < range.end); +} + /** * Repaint the item - * @return {Boolean} changed */ ItemPoint.prototype.repaint = function repaint() { - // TODO: make an efficient repaint - var changed = false; var dom = this.dom; - if (!dom) { - this._create(); + // create DOM + this.dom = {}; dom = this.dom; - changed = true; + + // background box + dom.point = document.createElement('div'); + // className is updated in repaint() + + // 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.dot.className = 'dot'; + dom.point.appendChild(dom.dot); + + // attach this item as attribute + dom.point['timeline-item'] = this; } - if (dom) { - if (!this.parent) { - throw new Error('Cannot repaint item: no parent attached'); - } + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot repaint item: no parent attached'); + } + if (!dom.point.parentNode) { var foreground = this.parent.getForeground(); if (!foreground) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no foreground container element'); + throw new Error('Cannot repaint time axis: parent has no foreground container element'); } - - if (!dom.point.parentNode) { - foreground.appendChild(dom.point); - foreground.appendChild(dom.point); - changed = true; + foreground.appendChild(dom.point); + } + this.displayed = true; + + // update contents + if (this.data.content != this.content) { + this.content = this.data.content; + if (this.content instanceof Element) { + dom.content.innerHTML = ''; + dom.content.appendChild(this.content); } - - // update contents - if (this.data.content != this.content) { - this.content = this.data.content; - if (this.content instanceof Element) { - dom.content.innerHTML = ''; - dom.content.appendChild(this.content); - } - else if (this.data.content != undefined) { - dom.content.innerHTML = this.content; - } - else { - throw new Error('Property "content" missing in item ' + this.data.id); - } - changed = true; + else if (this.data.content != undefined) { + dom.content.innerHTML = this.content; + } + else { + throw new Error('Property "content" missing in item ' + this.data.id); } - this._repaintDeleteButton(dom.point); + this.dirty = true; + } - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - if (this.className != className) { - this.className = className; - dom.point.className = 'item point' + className; - changed = true; - } + // update class + var className = (this.data.className? ' ' + this.data.className : '') + + (this.selected ? ' selected' : ''); + if (this.className != className) { + this.className = className; + dom.point.className = 'item point' + className; + + this.dirty = true; + } + + // recalculate size + if (this.dirty) { + this.width = dom.point.offsetWidth; + this.height = dom.point.offsetHeight; + this.props.dot.width = dom.dot.offsetWidth; + this.props.dot.height = dom.dot.offsetHeight; + this.props.content.height = dom.content.offsetHeight; + + // resize contents + dom.content.style.marginLeft = 1.5 * 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'; + + this.dirty = false; } - return changed; + this._repaintDeleteButton(dom.point); }; /** * Show the item in the DOM (when not already visible). The items DOM will * be created when needed. - * @return {Boolean} changed */ ItemPoint.prototype.show = function show() { - if (!this.dom || !this.dom.point.parentNode) { - return this.repaint(); - } - else { - return false; + if (!this.displayed) { + this.repaint(); } }; /** * Hide the item from the DOM (when visible) - * @return {Boolean} changed */ ItemPoint.prototype.hide = function hide() { - var changed = false, - dom = this.dom; - if (dom) { - if (dom.point.parentNode) { - dom.point.parentNode.removeChild(dom.point); - changed = true; + if (this.displayed) { + if (this.dom.point.parentNode) { + this.dom.point.parentNode.removeChild(this.dom.point); } - } - return changed; -}; - -/** - * Reflow the item: calculate its actual size from the DOM - * @return {boolean} resized returns true if the axis is resized - * @override - */ -ItemPoint.prototype.reflow = function reflow() { - var changed = 0, - update, - dom, - props, - options, - margin, - orientation, - start, - top, - data, - range; - - if (this.data.start == undefined) { - throw new Error('Property "start" missing in item ' + this.data.id); - } - data = this.data; - range = this.parent && this.parent.range; - if (data && range) { - // TODO: account for the width of the item - var interval = (range.end - range.start); - this.visible = (data.start > range.start - interval) && (data.start < range.end); - } - else { - this.visible = false; - } + this.top = null; + this.left = null; - if (this.visible) { - dom = this.dom; - if (dom) { - update = util.updateProperty; - props = this.props; - options = this.options; - orientation = options.orientation || this.defaultOptions.orientation; - margin = options.margin && options.margin.axis || this.defaultOptions.margin.axis; - start = this.parent.toScreen(this.data.start) + this.offset; - - changed += update(this, 'width', dom.point.offsetWidth); - changed += update(this, 'height', dom.point.offsetHeight); - changed += update(props.dot, 'width', dom.dot.offsetWidth); - changed += update(props.dot, 'height', dom.dot.offsetHeight); - changed += update(props.content, 'height', dom.content.offsetHeight); - - if (orientation == 'top') { - top = margin; - } - else { - // default or 'bottom' - var parentHeight = this.parent.height; - top = Math.max(parentHeight - this.height - margin, 0); - } - changed += update(this, 'top', top); - changed += update(this, 'left', start - props.dot.width / 2); - changed += update(props.content, 'marginLeft', 1.5 * props.dot.width); - //changed += update(props.content, 'marginRight', 0.5 * props.dot.width); // TODO - - changed += update(props.dot, 'top', (this.height - props.dot.height) / 2); - } - else { - changed += 1; - } + this.displayed = false; } - - return (changed > 0); }; /** - * Create an items DOM - * @private + * Reposition the item horizontally + * @Override */ -ItemPoint.prototype._create = function _create() { - var dom = this.dom; - if (!dom) { - this.dom = dom = {}; - - // background box - dom.point = document.createElement('div'); - // className is updated in repaint() - - // contents box, right from the dot - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.point.appendChild(dom.content); +ItemPoint.prototype.repositionX = function repositionX() { + var start = this.defaultOptions.toScreen(this.data.start); - // dot at start - dom.dot = document.createElement('div'); - dom.dot.className = 'dot'; - dom.point.appendChild(dom.dot); + this.left = start - this.props.dot.width / 2; - // attach this item as attribute - dom.point['timeline-item'] = this; - } + // reposition point + this.dom.point.style.left = this.left + 'px'; }; /** - * Reposition the item, recalculate its left, top, and width, using the current - * range and size of the items itemset - * @override + * Reposition the item vertically + * @Override */ -ItemPoint.prototype.reposition = function reposition() { - var dom = this.dom, - props = this.props; - - if (dom) { - dom.point.style.top = this.top + 'px'; - dom.point.style.left = this.left + 'px'; +ItemPoint.prototype.repositionY = function repositionY () { + var orientation = this.options.orientation || this.defaultOptions.orientation, + point = this.dom.point; - dom.content.style.marginLeft = props.content.marginLeft + 'px'; - //dom.content.style.marginRight = props.content.marginRight + 'px'; // TODO - - dom.dot.style.top = props.dot.top + 'px'; + if (orientation == 'top') { + point.style.top = this.top + 'px'; + point.style.bottom = ''; } -}; + else { + point.style.top = ''; + point.style.bottom = this.top + 'px'; + } +} diff --git a/src/timeline/component/item/ItemRange.js b/src/timeline/component/item/ItemRange.js index 379343a3..122e1304 100644 --- a/src/timeline/component/item/ItemRange.js +++ b/src/timeline/component/item/ItemRange.js @@ -11,90 +11,120 @@ function ItemRange (parent, data, options, defaultOptions) { this.props = { content: { - left: 0, width: 0 } }; + // validate data + if (data) { + if (data.start == undefined) { + throw new Error('Property "start" missing in item ' + data.id); + } + if (data.end == undefined) { + throw new Error('Property "end" missing in item ' + data.id); + } + } + Item.call(this, parent, data, options, defaultOptions); } ItemRange.prototype = new Item (null, null); +ItemRange.prototype.baseClassName = 'item range'; + +/** + * Check whether this item is visible inside given range + * @returns {{start: Number, end: Number}} range with a timestamp for start and end + * @returns {boolean} True if visible + */ +ItemRange.prototype.isVisible = function isVisible (range) { + // determine visibility + return (this.data.start < range.end) && (this.data.end > range.start); +}; + /** * Repaint the item - * @return {Boolean} changed */ ItemRange.prototype.repaint = function repaint() { - // TODO: make an efficient repaint - var changed = false; var dom = this.dom; - if (!dom) { - this._create(); + // create DOM + this.dom = {}; dom = this.dom; - changed = true; + + // background box + dom.box = document.createElement('div'); + // className is updated in repaint() + + // contents box + dom.content = document.createElement('div'); + dom.content.className = 'content'; + dom.box.appendChild(dom.content); + + // attach this item as attribute + dom.box['timeline-item'] = this; } - if (dom) { - if (!this.parent) { - throw new Error('Cannot repaint item: no parent attached'); - } + // append DOM to parent DOM + if (!this.parent) { + throw new Error('Cannot repaint item: no parent attached'); + } + if (!dom.box.parentNode) { var foreground = this.parent.getForeground(); if (!foreground) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no foreground container element'); + throw new Error('Cannot repaint time axis: parent has no foreground container element'); } - - if (!dom.box.parentNode) { - foreground.appendChild(dom.box); - changed = true; + foreground.appendChild(dom.box); + } + this.displayed = true; + + // update contents + if (this.data.content != this.content) { + this.content = this.data.content; + if (this.content instanceof Element) { + dom.content.innerHTML = ''; + dom.content.appendChild(this.content); } - - // update content - if (this.data.content != this.content) { - this.content = this.data.content; - if (this.content instanceof Element) { - dom.content.innerHTML = ''; - dom.content.appendChild(this.content); - } - else if (this.data.content != undefined) { - dom.content.innerHTML = this.content; - } - else { - throw new Error('Property "content" missing in item ' + this.data.id); - } - changed = true; + else if (this.data.content != undefined) { + dom.content.innerHTML = this.content; } - - this._repaintDeleteButton(dom.box); - this._repaintDragLeft(); - this._repaintDragRight(); - - // update class - var className = (this.data.className ? (' ' + this.data.className) : '') + - (this.selected ? ' selected' : ''); - if (this.className != className) { - this.className = className; - dom.box.className = 'item range' + className; - changed = true; + else { + throw new Error('Property "content" missing in item ' + this.data.id); } + + this.dirty = true; + } + + // update class + var className = (this.data.className ? (' ' + this.data.className) : '') + + (this.selected ? ' selected' : ''); + if (this.className != className) { + this.className = className; + dom.box.className = this.baseClassName + className; + + this.dirty = true; } - return changed; + // recalculate size + if (this.dirty) { + 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. - * @return {Boolean} changed */ ItemRange.prototype.show = function show() { - if (!this.dom || !this.dom.box.parentNode) { - return this.repaint(); - } - else { - return false; + if (!this.displayed) { + this.repaint(); } }; @@ -103,154 +133,73 @@ ItemRange.prototype.show = function show() { * @return {Boolean} changed */ ItemRange.prototype.hide = function hide() { - var changed = false, - dom = this.dom; - if (dom) { - if (dom.box.parentNode) { - dom.box.parentNode.removeChild(dom.box); - changed = true; + if (this.displayed) { + var box = this.dom.box; + + if (box.parentNode) { + box.parentNode.removeChild(box); } + + this.top = null; + this.left = null; + + this.displayed = false; } - return changed; }; /** - * Reflow the item: calculate its actual size from the DOM - * @return {boolean} resized returns true if the axis is resized - * @override + * Reposition the item horizontally + * @Override */ -ItemRange.prototype.reflow = function reflow() { - var changed = 0, - dom, - props, - options, - margin, - padding, - parent, - start, - end, - data, - range, - update, - box, - parentWidth, - contentLeft, - orientation, - top; - - if (this.data.start == undefined) { - throw new Error('Property "start" missing in item ' + this.data.id); +ItemRange.prototype.repositionX = function repositionX() { + var props = this.props, + parentWidth = this.parent.width, + start = this.defaultOptions.toScreen(this.data.start), + end = this.defaultOptions.toScreen(this.data.end), + padding = 'padding' in this.options ? this.options.padding : this.defaultOptions.padding, + contentLeft; + + // limit the width of the this, as browsers cannot draw very wide divs + if (start < -parentWidth) { + start = -parentWidth; } - if (this.data.end == undefined) { - throw new Error('Property "end" missing in item ' + this.data.id); + if (end > 2 * parentWidth) { + end = 2 * parentWidth; } - data = this.data; - range = this.parent && this.parent.range; - if (data && range) { - // TODO: account for the width of the item. Take some margin - this.visible = (data.start < range.end) && (data.end > range.start); + // 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 - props.content.width - 2 * padding)); + // TODO: remove the need for options.padding. it's terrible. } else { - this.visible = false; + contentLeft = 0; } - if (this.visible) { - dom = this.dom; - if (dom) { - props = this.props; - options = this.options; - parent = this.parent; - start = parent.toScreen(this.data.start) + this.offset; - end = parent.toScreen(this.data.end) + this.offset; - update = util.updateProperty; - box = dom.box; - parentWidth = parent.width; - orientation = options.orientation || this.defaultOptions.orientation; - margin = options.margin && options.margin.axis || this.defaultOptions.margin.axis; - padding = options.padding || this.defaultOptions.padding; - - changed += update(props.content, 'width', dom.content.offsetWidth); - - changed += update(this, 'height', box.offsetHeight); - - // 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; - } - - // 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 - props.content.width - 2 * padding)); - // TODO: remove the need for options.padding. it's terrible. - } - else { - contentLeft = 0; - } - changed += update(props.content, 'left', contentLeft); - - if (orientation == 'top') { - top = margin; - changed += update(this, 'top', top); - } - else { - // default or 'bottom' - top = parent.height - this.height - margin; - changed += update(this, 'top', top); - } - - changed += update(this, 'left', start); - changed += update(this, 'width', Math.max(end - start, 1)); // TODO: reckon with border width; - } - else { - changed += 1; - } - } + this.left = start; + this.width = Math.max(end - start, 1); - return (changed > 0); + this.dom.box.style.left = this.left + 'px'; + this.dom.box.style.width = this.width + 'px'; + this.dom.content.style.left = contentLeft + 'px'; }; /** - * Create an items DOM - * @private + * Reposition the item vertically + * @Override */ -ItemRange.prototype._create = function _create() { - var dom = this.dom; - if (!dom) { - this.dom = dom = {}; - // background box - dom.box = document.createElement('div'); - // className is updated in repaint() - - // contents box - dom.content = document.createElement('div'); - dom.content.className = 'content'; - dom.box.appendChild(dom.content); +ItemRange.prototype.repositionY = function repositionY() { + var orientation = this.options.orientation || this.defaultOptions.orientation, + box = this.dom.box; - // attach this item as attribute - dom.box['timeline-item'] = this; + if (orientation == 'top') { + box.style.top = this.top + 'px'; + box.style.bottom = ''; } -}; - -/** - * Reposition the item, recalculate its left, top, and width, using the current - * range and size of the items itemset - * @override - */ -ItemRange.prototype.reposition = function reposition() { - var dom = this.dom, - props = this.props; - - if (dom) { - dom.box.style.top = this.top + 'px'; - dom.box.style.left = this.left + 'px'; - dom.box.style.width = this.width + 'px'; - - dom.content.style.left = props.content.left + 'px'; + else { + box.style.top = ''; + box.style.bottom = this.top + 'px'; } }; diff --git a/src/timeline/component/item/ItemRangeOverflow.js b/src/timeline/component/item/ItemRangeOverflow.js index 9db06cb5..a94c7cab 100644 --- a/src/timeline/component/item/ItemRangeOverflow.js +++ b/src/timeline/component/item/ItemRangeOverflow.js @@ -16,104 +16,42 @@ function ItemRangeOverflow (parent, data, options, defaultOptions) { } }; - // define a private property _width, which is the with of the range box - // adhering to the ranges start and end date. The property width has a - // getter which returns the max of border width and content width - this._width = 0; - Object.defineProperty(this, 'width', { - get: function () { - return (this.props.content && this._width < this.props.content.width) ? - this.props.content.width : - this._width; - }, - - set: function (width) { - this._width = width; - } - }); - ItemRange.call(this, parent, data, options, defaultOptions); } ItemRangeOverflow.prototype = new ItemRange (null, null); +ItemRangeOverflow.prototype.baseClassName = 'item rangeoverflow'; + /** - * Repaint the item - * @return {Boolean} changed + * Reposition the item horizontally + * @Override */ -ItemRangeOverflow.prototype.repaint = function repaint() { - // TODO: make an efficient repaint - var changed = false; - var dom = this.dom; - - if (!dom) { - this._create(); - dom = this.dom; - changed = true; +ItemRangeOverflow.prototype.repositionX = function repositionX() { + var parentWidth = this.parent.width, + start = this.defaultOptions.toScreen(this.data.start), + end = this.defaultOptions.toScreen(this.data.end), + padding = 'padding' in this.options ? this.options.padding : this.defaultOptions.padding, + contentLeft; + + // limit the width of the this, as browsers cannot draw very wide divs + if (start < -parentWidth) { + start = -parentWidth; } - - if (dom) { - if (!this.parent) { - throw new Error('Cannot repaint item: no parent attached'); - } - var foreground = this.parent.getForeground(); - if (!foreground) { - throw new Error('Cannot repaint time axis: ' + - 'parent has no foreground container element'); - } - - if (!dom.box.parentNode) { - foreground.appendChild(dom.box); - changed = true; - } - - // update content - if (this.data.content != this.content) { - this.content = this.data.content; - if (this.content instanceof Element) { - dom.content.innerHTML = ''; - dom.content.appendChild(this.content); - } - else if (this.data.content != undefined) { - dom.content.innerHTML = this.content; - } - else { - throw new Error('Property "content" missing in item ' + this.id); - } - changed = true; - } - - this._repaintDeleteButton(dom.box); - this._repaintDragLeft(); - this._repaintDragRight(); - - // update class - var className = (this.data.className? ' ' + this.data.className : '') + - (this.selected ? ' selected' : ''); - if (this.className != className) { - this.className = className; - dom.box.className = 'item rangeoverflow' + className; - changed = true; - } + if (end > 2 * parentWidth) { + end = 2 * parentWidth; } - return changed; -}; + // when range exceeds left of the window, position the contents at the left of the visible area + contentLeft = Math.max(-start, 0); -/** - * Reposition the item, recalculate its left, top, and width, using the current - * range and size of the items itemset - * @override - */ -ItemRangeOverflow.prototype.reposition = function reposition() { - var dom = this.dom, - props = this.props; + this.left = start; + var boxWidth = Math.max(end - start, 1); + this.width = (this.props.content.width < boxWidth) ? + boxWidth : + start + contentLeft + this.props.content.width; - if (dom) { - dom.box.style.top = this.top + 'px'; - dom.box.style.left = this.left + 'px'; - dom.box.style.width = this._width + 'px'; - - dom.content.style.left = props.content.left + 'px'; - } + this.dom.box.style.left = this.left + 'px'; + this.dom.box.style.width = boxWidth + 'px'; + this.dom.content.style.left = contentLeft + 'px'; }; diff --git a/src/util.js b/src/util.js index 11fad5cf..ea7e6497 100644 --- a/src/util.js +++ b/src/util.js @@ -97,6 +97,23 @@ util.extend = function (a, b) { return a; }; +/** + * Test whether all elements in two arrays are equal. + * @param {Array} a + * @param {Array} b + * @return {boolean} Returns true if both arrays have the same length and same + * elements. + */ +util.equalArray = function (a, b) { + if (a.length != b.length) return false; + + for (var i = 1, len = a.length; i < len; i++) { + if (a[i] != b[i]) return false; + } + + return true; +}; + /** * Convert an object to another type * @param {Boolean | Number | String | Date | Moment | Null | undefined} object @@ -440,6 +457,22 @@ util.forEach = function forEach (object, callback) { } }; +/** + * Convert an object into an array: all objects properties are put into the + * array. The resulting array is unordered. + * @param {Object} object + * @param {Array} array + */ +util.toArray = function toArray(object) { + var array = []; + + for (var prop in object) { + if (object.hasOwnProperty(prop)) array.push(object[prop]); + } + + return array; +} + /** * Update a property in an object * @param {Object} object @@ -447,7 +480,7 @@ util.forEach = function forEach (object, callback) { * @param {*} value * @return {Boolean} changed */ -util.updateProperty = function updateProp (object, key, value) { +util.updateProperty = function updateProperty (object, key, value) { if (object[key] !== value) { object[key] = value; return true; @@ -655,6 +688,8 @@ util.option.asElement = function (value, defaultValue) { util.GiveDec = function GiveDec(Hex) { + var Value; + if (Hex == "A") Value = 10; else if (Hex == "B") @@ -668,12 +703,15 @@ util.GiveDec = function GiveDec(Hex) { else if (Hex == "F") Value = 15; else - Value = eval(Hex) + Value = eval(Hex); + return Value; }; util.GiveHex = function GiveHex(Dec) { - if (Dec == 10) + var Value; + + if(Dec == 10) Value = "A"; else if (Dec == 11) Value = "B"; @@ -687,6 +725,7 @@ util.GiveHex = function GiveHex(Dec) { Value = "F"; else Value = "" + Dec; + return Value; }; diff --git a/test/dataset.js b/test/dataset.js index 2a563529..84fbe5ca 100644 --- a/test/dataset.js +++ b/test/dataset.js @@ -162,5 +162,20 @@ assert.deepEqual((data.get()[0].id == undefined), false); assert.deepEqual(data.isInternalId(data.get()[0].id), true); assert.deepEqual((data.get({"showInternalIds": false})[0].id == undefined),true); +// create a dataset with initial data +var data = new DataSet([ + {id: 1, content: 'Item 1', start: new Date(now.valueOf())}, + {id: 2, content: 'Item 2', start: now.toISOString()} +]); +assert.deepEqual(data.getIds(), [1, 2]); + +// create a dataset with initial data and options +var data = new DataSet([ + {_id: 1, content: 'Item 1', start: new Date(now.valueOf())}, + {_id: 2, content: 'Item 2', start: now.toISOString()} +], {fieldId: '_id'}); +assert.deepEqual(data.getIds(), [1, 2]); + + // TODO: extensively test DataSet // TODO: test subscribing to events \ No newline at end of file diff --git a/test/timeline.html b/test/timeline.html index 0e22470a..44c020ce 100644 --- a/test/timeline.html +++ b/test/timeline.html @@ -35,11 +35,26 @@ }); }; + +
+ +
+ +
diff --git a/test/timeline_groups.html b/test/timeline_groups.html index 70ee8b3c..d6ad61b5 100644 --- a/test/timeline_groups.html +++ b/test/timeline_groups.html @@ -73,14 +73,47 @@ // create visualization var container = document.getElementById('visualization'); var options = { + editable: true, //height: 200, groupOrder: 'content' }; + console.time('create timeline'); var timeline = new vis.Timeline(container); + console.timeEnd('create timeline'); + + console.time('set options'); timeline.setOptions(options); + console.timeEnd('set options'); + + console.time('set groups'); timeline.setGroups(groups); + console.timeEnd('set groups'); + + console.time('set items'); timeline.setItems(items); + console.timeEnd('set items'); + + timeline.on('select', function (selection) { + console.log('select', selection); + }); + + /* + timeline.on('rangechange', function (range) { + console.log('rangechange', range); + }); + timeline.on('rangechanged', function (range) { + console.log('rangechanged', range); + }); + */ + + items.on('add', console.log.bind(console)); + items.on('update', console.log.bind(console)); + items.on('remove', console.log.bind(console)); + + groups.on('add', console.log.bind(console)); + groups.on('update', console.log.bind(console)); + groups.on('remove', console.log.bind(console));