mirror of
https://github.com/salesagility/SuiteCRM.git
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965 lines
31 KiB
JavaScript
965 lines
31 KiB
JavaScript
// version: 2015-11-02
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/**
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* o--------------------------------------------------------------------------------o
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* | This file is part of the RGraph package - you can learn more at: |
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* | |
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* | http://www.rgraph.net |
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* | |
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* | RGraph is dual licensed under the Open Source GPL (General Public License) |
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* | v2.0 license and a commercial license which means that you're not bound by |
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* | the terms of the GPL. The commercial license is just £99 (GBP) and you can |
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* | read about it here: |
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* | http://www.rgraph.net/license |
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* o--------------------------------------------------------------------------------o
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*/
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RGraph = window.RGraph || {isRGraph: true};
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/**
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* The Fuel widget constructor
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*
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* @param object canvas The canvas object
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* @param int min The minimum value
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* @param int max The maximum value
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* @param int value The indicated value
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*/
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RGraph.Fuel = function (conf)
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{
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/**
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* Allow for object config style
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*/
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if ( typeof conf === 'object'
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&& typeof conf.min === 'number'
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&& typeof conf.max === 'number'
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&& typeof conf.id === 'string') {
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var id = conf.id
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var canvas = document.getElementById(id);
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var min = conf.min;
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var max = conf.max;
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var value = conf.value;
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var parseConfObjectForOptions = true; // Set this so the config is parsed (at the end of the constructor)
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} else {
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var id = conf;
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var canvas = document.getElementById(id);
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var min = arguments[1];
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var max = arguments[2];
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var value = arguments[3];
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}
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// Get the canvas and context objects
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this.id = id;
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this.canvas = canvas;
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this.context = this.canvas.getContext ? this.canvas.getContext("2d", {alpha: (typeof id === 'object' && id.alpha === false) ? false : true}) : null;
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this.canvas.__object__ = this;
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this.type = 'fuel';
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this.isRGraph = true;
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this.min = min;
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this.max = max;
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this.value = RGraph.stringsToNumbers(value);
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this.angles = {};
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this.currentValue = null;
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this.uid = RGraph.CreateUID();
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this.canvas.uid = this.canvas.uid ? this.canvas.uid : RGraph.CreateUID();
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this.coordsText = [];
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this.original_colors = [];
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this.firstDraw = true; // After the first draw this will be false
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/**
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* Compatibility with older browsers
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*/
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//RGraph.OldBrowserCompat(this.context);
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// Check for support
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if (!this.canvas) {
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alert('[FUEL] No canvas support');
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return;
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}
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/**
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* The funnel charts properties
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*/
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this.properties =
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{
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'chart.colors': ['Gradient(white:red)'],
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'chart.needle.color': 'red',
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'chart.gutter.left': 5,
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'chart.gutter.right': 5,
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'chart.gutter.top': 5,
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'chart.gutter.bottom': 5,
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'chart.text.size': 12,
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'chart.text.color': 'black', // Does not support gradients
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'chart.text.font': 'Arial',
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'chart.contextmenu': null,
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'chart.annotatable': false,
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'chart.annotate.color': 'black',
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'chart.zoom.factor': 1.5,
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'chart.zoom.fade.in': true,
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'chart.zoom.fade.out': true,
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'chart.zoom.factor': 1.5,
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'chart.zoom.fade.in': true,
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'chart.zoom.fade.out': true,
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'chart.zoom.hdir': 'right',
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'chart.zoom.vdir': 'down',
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'chart.zoom.frames': 25,
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'chart.zoom.delay': 16.666,
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'chart.zoom.shadow': true,
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'chart.zoom.background': true,
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'chart.zoom.action': 'zoom',
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'chart.adjustable': false,
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'chart.resizable': false,
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'chart.resize.handle.background': null,
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'chart.icon': 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAfCAYAAAD0ma06AAAEGElEQVRIS7VXSyhtYRT+jnfe5FEMjAwUBiQGHikzRWIkkgy8YyDK+xnJK5JCeZSUGKBMiAyYkMxMJAMpSfJ+2/d8695/33NunSPnHqt2Z5+91/9/' + '/' + '/et9a/1b8Pn56dmMBhg/IWDgwNoNzc38PHxkXtN0+Tiexp9eH18fIDj1Bj63N/fw8vLS/wsmcHoqKmXT09PuL29RVFREU5OTvTJ6UIAgioQ+vLe09MTb29v8PX1RWBgICYnJ+XXIqDRWXN0dJT3nIDsWlpadP+lpSWZlD4KmL/8/' + '/7+Ls/S09N1/7y8PISHh+sK/QssDJWcHEyGCnB1dRUDAwPIzMzUx5GpAnZ1dcXy8jK2trbM5j06OsLc3JzISx8q4OzsLOOsAq6treHg4AAeHh4WJbq7u0Nzc7P+PiYmBnt7ezg9PcXExAQCAgLg5OSEx8dHuLu7Wwfc3t7G/v6+yEcjO8rIROGKaWdnZ+jr6zMDjI6OxvT0tDzr6uqS2KtksspwZ2cHjY2NuqSUhnHmilUCraysmElaWloKJpQCjI2NRX5+Pl5eXr6WlCv08/MTEMVOZDH+Zzw4CdlfX1/rDHt7ezE1NQXGkcYEKi4ulkVKYlpLGouBs/JiaGgIZL25uSlecXFxohAz/ccAz8/P4e/vj7q6Ojw8PMje5DNRy94MQ0JCUFtbK2wqKipE+sHBQbi4uPwMQ86ak5ODxMREVFdXIywsDCUlJRJDXnZlmJqaip6eHuTm5kqikGlycjIyMjL+ZrY9JSUgMzQiIgINDQ2ypaqqqkCZWXHsnjQEHB8fR0pKigAxabq7uyWOlJNxtLukTJDs7GxUVlZKDNl5oqKi8Pr6+jOAIyMjiI+Pl5JGQG4F1Qy+LN7f3fiUdGZmBsHBwRgbG8Pw8LD01ba2NmlX0rTtnTQLCwvSjEdHR3FxcSExLCwsRGRkpBR9vePzeMDyw3bT1NT0XXLiT4a7u7s4Pj4GGzd7K8GCgoKEsRR8I4Cm6hwHXV5eiv62GAE5npMTmFuBTCkzmzT7qs5Q9TlW/o6ODlvwhCHPM5SVPZIxYzNeXFxEa2srvL29YTC2GI3aMm3Zeq6urv4LMC0tDRsbG1K8k5KS9DgS0IwhKVFjSsJA22r9/f0oKCgQdvPz83JEmZ2dlcpD9maSshow0KZnlO8Csx9yK3BLKCMJPpf2xGMigdi9WXooaWdn53dxdP+amhrZh4eHh1hfX5cTW319vZyBnp+ffzNkBWBmhYaGysB/j322oCckJCArK0uGMlsJ5ubmBoPxRiMzFlomjr2MGdne3i5ANILRJEtJt6ysTG8h9gDl4am8vFwSUWron1O9LulXIOqk9pWftfdSS40yyj5Uh101wPRryuR7R1ZMX/U1pfy5IF40xcgUnGAc9wsGYxsFhy87kwAAAABJRU5ErkJggg==',
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'chart.icon.redraw': true,
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'chart.background.image.stretch': false,
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'chart.background.image.x': null,
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'chart.background.image.y': null,
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'chart.labels.full': 'F',
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'chart.labels.empty': 'E',
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'chart.labels.count': 5,
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'chart.centerx': null,
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'chart.centery': null,
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'chart.radius': null,
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'chart.scale.visible': false,
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'chart.scale.decimals': 0,
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'chart.units.pre': '',
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'chart.units.post': ''
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}
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/**
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* Bounds checking - if the value is outside the scale
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*/
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if (this.value > this.max) this.value = this.max;
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if (this.value < this.min) this.value = this.min;
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/*
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* Translate half a pixel for antialiasing purposes - but only if it hasn't beeen
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* done already
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*/
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if (!this.canvas.__rgraph_aa_translated__) {
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this.context.translate(0.5,0.5);
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this.canvas.__rgraph_aa_translated__ = true;
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}
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// Short variable names
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var RG = RGraph,
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ca = this.canvas,
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co = ca.getContext('2d'),
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prop = this.properties,
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pa = RG.Path,
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pa2 = RG.path2,
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win = window,
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doc = document,
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ma = Math
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/**
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* "Decorate" the object with the generic effects if the effects library has been included
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*/
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if (RG.Effects && typeof RG.Effects.decorate === 'function') {
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RG.Effects.decorate(this);
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}
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/**
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* A setter
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*
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* @param name string The name of the property to set
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* @param value mixed The value of the property
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*/
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this.set =
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this.Set = function (name)
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{
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var value = typeof arguments[1] === 'undefined' ? null : arguments[1];
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/**
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* the number of arguments is only one and it's an
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* object - parse it for configuration data and return.
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*/
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if (arguments.length === 1 && typeof name === 'object') {
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RG.parseObjectStyleConfig(this, name);
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return this;
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}
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/**
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* This should be done first - prepend the propertyy name with "chart." if necessary
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*/
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if (name.substr(0,6) != 'chart.') {
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name = 'chart.' + name;
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}
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// Convert uppercase letters to dot+lower case letter
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name = name.replace(/([A-Z])/g, function (str)
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{
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return '.' + String(RegExp.$1).toLowerCase();
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});
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prop[name] = value;
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return this;
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};
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/**
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* A getter
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*
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* @param name string The name of the property to get
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*/
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this.get =
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this.Get = function (name)
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{
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/**
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* This should be done first - prepend the property name with "chart." if necessary
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*/
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if (name.substr(0,6) != 'chart.') {
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name = 'chart.' + name;
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}
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// Convert uppercase letters to dot+lower case letter
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name = name.replace(/([A-Z])/g, function (str)
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{
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return '.' + String(RegExp.$1).toLowerCase()
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});
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return prop[name.toLowerCase()];
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};
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/**
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* The function you call to draw the bar chart
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*/
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this.draw =
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this.Draw = function ()
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{
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/**
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* Fire the onbeforedraw event
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*/
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RG.FireCustomEvent(this, 'onbeforedraw');
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/**
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* Set the current value
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*/
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this.currentValue = this.value;
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/**
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* This is new in May 2011 and facilitates indiviual gutter settings,
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* eg chart.gutter.left
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*/
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this.gutterLeft = prop['chart.gutter.left'];
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this.gutterRight = prop['chart.gutter.right'];
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this.gutterTop = prop['chart.gutter.top'];
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this.gutterBottom = prop['chart.gutter.bottom'];
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/**
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* Get the center X and Y of the chart. This is the center of the needle bulb
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*/
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this.centerx = ((ca.width - this.gutterLeft - this.gutterRight) / 2) + this.gutterLeft;
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this.centery = ca.height - 20 - this.gutterBottom
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/**
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* Work out the radius of the chart
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*/
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this.radius = ca.height - this.gutterTop - this.gutterBottom - 20;
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/**
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* Stop this growing uncntrollably
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*/
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this.coordsText = [];
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/**
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* You can now specify chart.centerx, chart.centery and chart.radius
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*/
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if (typeof(prop['chart.centerx']) == 'number') this.centerx = prop['chart.centerx'];
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if (typeof(prop['chart.centery']) == 'number') this.centery = prop['chart.centery'];
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if (typeof(prop['chart.radius']) == 'number') this.radius = prop['chart.radius'];
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/**
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* Parse the colors. This allows for simple gradient syntax
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*/
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if (!this.colorsParsed) {
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this.parseColors();
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// Don't want to do this again
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this.colorsParsed = true;
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}
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/**
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* The start and end angles of the chart
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*/
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this.angles.start = (RG.PI + RG.HALFPI) - 0.5;
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this.angles.end = (RG.PI + RG.HALFPI) + 0.5;
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this.angles.needle = this.getAngle(this.value);
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/**
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* Draw the labels on the chart
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*/
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this.DrawLabels();
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/**
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* Draw the fuel guage
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*/
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this.DrawChart();
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/**
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* Setup the context menu if required
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*/
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if (prop['chart.contextmenu']) {
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RG.ShowContext(this);
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}
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/**
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* This function enables resizing
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*/
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if (prop['chart.resizable']) {
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RG.AllowResizing(this);
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}
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/**
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* This installs the event listeners
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*/
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RG.InstallEventListeners(this);
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/**
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* Fire the onfirstdraw event
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*/
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if (this.firstDraw) {
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RG.fireCustomEvent(this, 'onfirstdraw');
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this.firstDraw = false;
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this.firstDrawFunc();
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}
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/**
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* Fire the RGraph ondraw event
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*/
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RG.FireCustomEvent(this, 'ondraw');
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return this;
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};
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/**
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* Used in chaining. Runs a function there and then - not waiting for
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* the events to fire (eg the onbeforedraw event)
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*
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* @param function func The function to execute
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*/
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this.exec = function (func)
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{
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func(this);
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return this;
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};
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/**
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* This function actually draws the chart
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*/
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this.drawChart =
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this.DrawChart = function ()
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{
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/**
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* Draw the "Scale"
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*/
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this.DrawScale();
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/**
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* Place the icon on the canvas
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*/
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if (!RG.ISOLD) {
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this.DrawIcon();
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}
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/**
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* Draw the needle
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*/
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this.DrawNeedle();
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};
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/**
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* Draws the labels
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*/
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this.drawLabels =
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this.DrawLabels = function ()
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{
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if (!prop['chart.scale.visible']) {
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var radius = (this.radius - 20);
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co.fillStyle = prop['chart.text.color'];
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// Draw the left label
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var y = this.centery - Math.sin(this.angles.start - RG.PI) * (this.radius - 25);
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var x = this.centerx - Math.cos(this.angles.start - RG.PI) * (this.radius - 25);
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RG.Text2(this, {'font':prop['chart.text.font'],
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'size':prop['chart.text.size'],
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'x':x,
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'y':y,
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'text':prop['chart.labels.empty'],
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'halign': 'center',
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'valign':'center',
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'tag': 'labels'
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});
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// Draw the right label
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var y = this.centery - Math.sin(this.angles.start - RG.PI) * (this.radius - 25);
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var x = this.centerx + Math.cos(this.angles.start - RG.PI) * (this.radius - 25);
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RG.Text2(this, {'font':prop['chart.text.font'],
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'size':prop['chart.text.size'],
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'x':x,
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'y':y,
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'text':prop['chart.labels.full'],
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'halign': 'center',
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'valign':'center',
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'tag': 'labels'
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});
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}
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};
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/**
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* Draws the needle
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*/
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this.drawNeedle =
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this.DrawNeedle = function ()
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{
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// Draw the actual needle
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co.beginPath();
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co.lineWidth = 5;
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co.lineCap = 'round';
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co.strokeStyle = prop['chart.needle.color'];
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/**
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* The angle for the needle
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*/
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var angle = this.angles.needle;
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co.arc(this.centerx, this.centery, this.radius - 30, angle, angle + 0.0001, false);
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co.lineTo(this.centerx, this.centery);
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co.stroke();
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co.lineWidth = 1;
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// Create the gradient for the bulb
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var cx = this.centerx + 10;
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var cy = this.centery - 10
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var grad = co.createRadialGradient(cx, cy, 35, cx, cy, 0);
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grad.addColorStop(0, 'black');
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grad.addColorStop(1, '#eee');
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if (navigator.userAgent.indexOf('Firefox/6.0') > 0) {
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grad = co.createLinearGradient(cx + 10, cy - 10, cx - 10, cy + 10);
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grad.addColorStop(1, '#666');
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grad.addColorStop(0.5, '#ccc');
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}
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// Draw the bulb
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co.beginPath();
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co.fillStyle = grad;
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co.moveTo(this.centerx, this.centery);
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co.arc(this.centerx, this.centery, 20, 0, RG.TWOPI, 0);
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co.fill();
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};
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/**
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* Draws the "scale"
|
|
*/
|
|
this.drawScale =
|
|
this.DrawScale = function ()
|
|
{
|
|
var a, x, y;
|
|
|
|
//First draw the fill background
|
|
co.beginPath();
|
|
co.strokeStyle = 'black';
|
|
co.fillStyle = 'white';
|
|
co.arc(this.centerx, this.centery, this.radius, this.angles.start, this.angles.end, false);
|
|
co.arc(this.centerx, this.centery, this.radius - 10, this.angles.end, this.angles.start, true);
|
|
co.closePath();
|
|
co.stroke();
|
|
co.fill();
|
|
|
|
//First draw the fill itself
|
|
var start = this.angles.start;
|
|
var end = this.angles.needle;
|
|
|
|
co.beginPath();
|
|
co.fillStyle = prop['chart.colors'][0];
|
|
co.arc(this.centerx, this.centery, this.radius, start, end, false);
|
|
co.arc(this.centerx, this.centery, this.radius - 10, end, start, true);
|
|
co.closePath();
|
|
//co.stroke();
|
|
co.fill();
|
|
|
|
// This draws the tickmarks
|
|
for (a = this.angles.start; a<=this.angles.end+0.01; a+=((this.angles.end - this.angles.start) / 5)) {
|
|
co.beginPath();
|
|
co.arc(this.centerx, this.centery, this.radius - 10, a, a + 0.0001, false);
|
|
co.arc(this.centerx, this.centery, this.radius - 15, a + 0.0001, a, true);
|
|
co.stroke();
|
|
}
|
|
|
|
/**
|
|
* If chart.scale.visible is specified draw the textual scale
|
|
*/
|
|
if (prop['chart.scale.visible']) {
|
|
|
|
co.fillStyle = prop['chart.text.color'];
|
|
|
|
// The labels
|
|
var numLabels = prop['chart.labels.count'];
|
|
var decimals = prop['chart.scale.decimals'];
|
|
var font = prop['chart.text.font'];
|
|
var size = prop['chart.text.size'];
|
|
var units_post = prop['chart.units.post'];
|
|
var units_pre = prop['chart.units.pre'];
|
|
|
|
for (var i=0; i<=numLabels; ++i) {
|
|
a = ((this.angles.end - this.angles.start) * (i/numLabels)) + this.angles.start;
|
|
y = this.centery - Math.sin(a - RG.PI) * (this.radius - 25);
|
|
x = this.centerx - Math.cos(a - RG.PI) * (this.radius - 25);
|
|
|
|
|
|
RG.Text2(this, {'font':font,
|
|
'size':size,
|
|
'x':x,
|
|
'y':y,
|
|
'text': RG.number_format(this, (this.min + ((this.max - this.min) * (i/numLabels))).toFixed(decimals),units_pre,units_post),
|
|
'halign': 'center',
|
|
'valign':'center',
|
|
'tag': 'scale'
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* A placeholder function that is here to prevent errors
|
|
*/
|
|
this.getShape = function (e) {};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This function returns the pertinent value based on a click
|
|
*
|
|
* @param object e An event object
|
|
* @return number The relevant value at the point of click
|
|
*/
|
|
this.getValue = function (e)
|
|
{
|
|
var mouseXY = RG.getMouseXY(e);
|
|
var angle = RG.getAngleByXY(this.centerx, this.centery, mouseXY[0], mouseXY[1]);
|
|
|
|
/**
|
|
* Boundary checking
|
|
*/
|
|
if (angle >= this.angles.end) {
|
|
return this.max;
|
|
} else if (angle <= this.angles.start) {
|
|
return this.min;
|
|
}
|
|
|
|
var value = (angle - this.angles.start) / (this.angles.end - this.angles.start);
|
|
value = value * (this.max - this.min);
|
|
value = value + this.min;
|
|
|
|
return value;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* The getObjectByXY() worker method. Don't call this call:
|
|
*
|
|
* RG.ObjectRegistry.getObjectByXY(e)
|
|
*
|
|
* @param object e The event object
|
|
*/
|
|
this.getObjectByXY = function (e)
|
|
{
|
|
var mouseXY = RG.getMouseXY(e);
|
|
var angle = RG.getAngleByXY(this.centerx, this.centery, mouseXY[0], mouseXY[1]);
|
|
var accuracy = 15;
|
|
|
|
var leftMin = this.centerx - this.radius;
|
|
var rightMax = this.centerx + this.radius;
|
|
var topMin = this.centery - this.radius;
|
|
var bottomMax = this.centery + this.radius;
|
|
|
|
if (
|
|
mouseXY[0] > leftMin
|
|
&& mouseXY[0] < rightMax
|
|
&& mouseXY[1] > topMin
|
|
&& mouseXY[1] < bottomMax
|
|
) {
|
|
|
|
return this;
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Draws the icon
|
|
*/
|
|
this.drawIcon =
|
|
this.DrawIcon = function ()
|
|
{
|
|
if (!RG.ISOLD) {
|
|
|
|
if (!this.__icon__ || !this.__icon__.__loaded__) {
|
|
var img = new Image();
|
|
img.src = prop['chart.icon'];
|
|
img.__object__ = this;
|
|
this.__icon__ = img;
|
|
|
|
|
|
img.onload = function (e)
|
|
{
|
|
img.__loaded__ = true;
|
|
var obj = img.__object__;
|
|
//var co = obj.context;
|
|
//var prop = obj.properties;
|
|
|
|
co.drawImage(img,obj.centerx - (img.width / 2), obj.centery - obj.radius + 35);
|
|
|
|
obj.DrawNeedle();
|
|
|
|
if (prop['chart.icon.redraw']) {
|
|
obj.Set('chart.icon.redraw', false);
|
|
RG.Clear(obj.canvas);
|
|
RG.RedrawCanvas(ca);
|
|
}
|
|
}
|
|
} else {
|
|
var img = this.__icon__;
|
|
co.drawImage(img,this.centerx - (img.width / 2), this.centery - this.radius + 35);
|
|
}
|
|
}
|
|
|
|
this.DrawNeedle();
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This method handles the adjusting calculation for when the mouse is moved
|
|
*
|
|
* @param object e The event object
|
|
*/
|
|
this.adjusting_mousemove =
|
|
this.Adjusting_mousemove = function (e)
|
|
{
|
|
/**
|
|
* Handle adjusting for the Fuel gauge
|
|
*/
|
|
if (prop['chart.adjustable'] && RG.Registry.Get('chart.adjusting') && RG.Registry.Get('chart.adjusting').uid == this.uid) {
|
|
this.value = this.getValue(e);
|
|
//RG.Clear(ca);
|
|
RG.redrawCanvas(ca);
|
|
RG.fireCustomEvent(this, 'onadjust');
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This method gives you the relevant angle (in radians) that a particular value is
|
|
*
|
|
* @param number value The relevant angle
|
|
*/
|
|
this.getAngle = function (value)
|
|
{
|
|
// Range checking
|
|
if (value < this.min || value > this.max) {
|
|
return null;
|
|
}
|
|
|
|
var angle = (((value - this.min) / (this.max - this.min)) * (this.angles.end - this.angles.start)) + this.angles.start;
|
|
|
|
return angle;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This allows for easy specification of gradients
|
|
*/
|
|
this.parseColors = function ()
|
|
{
|
|
// Save the original colors so that they can be restored when the canvas is reset
|
|
if (this.original_colors.length === 0) {
|
|
this.original_colors['chart.colors'] = RG.array_clone(prop['chart.colors']);
|
|
this.original_colors['chart.needle.color'] = RG.array_clone(prop['chart.needle.color']);
|
|
}
|
|
|
|
var props = this.properties;
|
|
var colors = props['chart.colors'];
|
|
|
|
for (var i=0; i<colors.length; ++i) {
|
|
colors[i] = this.parseSingleColorForLinearGradient(colors[i]);
|
|
}
|
|
|
|
props['chart.needle.color'] = this.parseSingleColorForRadialGradient(props['chart.needle.color']);
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Use this function to reset the object to the post-constructor state. Eg reset colors if
|
|
* need be etc
|
|
*/
|
|
this.reset = function ()
|
|
{
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This parses a single color value
|
|
*/
|
|
this.parseSingleColorForLinearGradient = function (color)
|
|
{
|
|
if (!color || typeof(color) != 'string') {
|
|
return color;
|
|
}
|
|
|
|
if (color.match(/^gradient\((.*)\)$/i)) {
|
|
|
|
var parts = RegExp.$1.split(':');
|
|
|
|
// Create the gradient
|
|
var grad = co.createLinearGradient(prop['chart.gutter.left'],0,ca.width - prop['chart.gutter.right'],0);
|
|
|
|
var diff = 1 / (parts.length - 1);
|
|
|
|
grad.addColorStop(0, RG.trim(parts[0]));
|
|
|
|
for (var j=1; j<parts.length; ++j) {
|
|
grad.addColorStop(j * diff, RG.trim(parts[j]));
|
|
}
|
|
}
|
|
|
|
return grad ? grad : color;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This parses a single color value
|
|
*/
|
|
this.parseSingleColorForRadialGradient = function (color)
|
|
{
|
|
if (!color || typeof color != 'string') {
|
|
return color;
|
|
}
|
|
|
|
if (color.match(/^gradient\((.*)\)$/i)) {
|
|
|
|
var parts = RegExp.$1.split(':');
|
|
|
|
// Create the gradient
|
|
var grad = co.createRadialGradient(this.centerx, this.centery, 0, this.centerx, this.centery, this.radius);
|
|
|
|
var diff = 1 / (parts.length - 1);
|
|
|
|
grad.addColorStop(0, RG.trim(parts[0]));
|
|
|
|
for (var j=1; j<parts.length; ++j) {
|
|
grad.addColorStop(j * diff, RG.trim(parts[j]));
|
|
}
|
|
}
|
|
|
|
return grad ? grad : color;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Using a function to add events makes it easier to facilitate method chaining
|
|
*
|
|
* @param string type The type of even to add
|
|
* @param function func
|
|
*/
|
|
this.on = function (type, func)
|
|
{
|
|
if (type.substr(0,2) !== 'on') {
|
|
type = 'on' + type;
|
|
}
|
|
|
|
this[type] = func;
|
|
|
|
return this;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This function runs once only
|
|
* (put at the end of the file (before any effects))
|
|
*/
|
|
this.firstDrawFunc = function ()
|
|
{
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Grow
|
|
*
|
|
* The Fuel chart Grow effect gradually increases the values of the Fuel chart
|
|
*
|
|
* @param object obj The graph object
|
|
*/
|
|
this.grow = function ()
|
|
{
|
|
var callback = arguments[1] || function () {};
|
|
var opt = arguments[0] || {};
|
|
var numFrames = opt.frames || 30;
|
|
var frame = 0;
|
|
var obj = this;
|
|
var origValue = Number(this.currentValue);
|
|
|
|
if (this.currentValue == null) {
|
|
this.currentValue = this.min;
|
|
origValue = this.min;
|
|
}
|
|
|
|
var newValue = this.value;
|
|
var diff = newValue - origValue;
|
|
var step = (diff / numFrames);
|
|
var frame = 0;
|
|
|
|
|
|
function iterator ()
|
|
{
|
|
frame++;
|
|
|
|
obj.value = ((frame / numFrames) * diff) + origValue
|
|
|
|
if (obj.value > obj.max) obj.value = obj.max;
|
|
if (obj.value < obj.min) obj.value = obj.min;
|
|
|
|
RGraph.clear(obj.canvas);
|
|
RGraph.redrawCanvas(obj.canvas);
|
|
|
|
if (frame < numFrames) {
|
|
RGraph.Effects.updateCanvas(iterator);
|
|
|
|
// The callback variable is always function
|
|
} else {
|
|
callback(obj);
|
|
}
|
|
}
|
|
|
|
iterator();
|
|
|
|
return this;
|
|
};
|
|
|
|
|
|
|
|
RG.att(ca);
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Now need to register all chart types. MUST be after the setters/getters are defined
|
|
*
|
|
* *** MUST BE LAST IN THE CONSTRUCTOR ***
|
|
*/
|
|
RG.Register(this);
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This is the 'end' of the constructor so if the first argument
|
|
* contains configuration data - handle that.
|
|
*/
|
|
if (parseConfObjectForOptions) {
|
|
RG.parseObjectStyleConfig(this, conf.options);
|
|
}
|
|
}; |