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1326 lines
45 KiB
JavaScript
1326 lines
45 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 progress bar constructor
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*
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* @param mixed conf This can either be an object that contains all of the configuration data
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* (the updated way of configuring the object) or it can be a string consisting of the
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* canvas ID
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* @param number The minimum value (if using the older configuration style)
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* @param number The maximum value (if using the older configuration style)
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* @param number The represented value (if using the older configuration style)
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*/
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RGraph.VProgress = 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 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 conf = {
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id: arguments[0],
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min: arguments[1],
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max: arguments[2],
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value: arguments[3]
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}
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}
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this.id = conf.id;
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this.canvas = document.getElementById(this.id);
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this.context = this.canvas.getContext('2d');
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this.canvas.__object__ = this;
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this.min = conf.min;
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this.max = conf.max;
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this.value = RGraph.stringsToNumbers(conf.value);
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this.type = 'vprogress';
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this.coords = [];
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this.isRGraph = true;
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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.colorsParsed = false;
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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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this.properties =
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{
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'chart.colors': ['Gradient(white:#0c0)','Gradient(white:red)','Gradient(white:green)','yellow','pink','cyan','black','white','gray'],
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'chart.strokestyle.inner': '#999',
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'chart.strokestyle.outer': '#999',
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'chart.tickmarks': true,
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'chart.tickmarks.zerostart':true,
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'chart.tickmarks.color': '#999',
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'chart.tickmarks.inner': false,
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'chart.gutter.left': 25,
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'chart.gutter.right': 25,
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'chart.gutter.top': 25,
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'chart.gutter.bottom': 25,
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'chart.numticks': 10,
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'chart.numticks.inner': 50,
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'chart.background.color': '#eee',
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'chart.shadow': false,
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'chart.shadow.color': 'rgba(0,0,0,0.5)',
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'chart.shadow.blur': 3,
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'chart.shadow.offsetx': 3,
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'chart.shadow.offsety': 3,
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'chart.title': '',
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'chart.title.bold': true,
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'chart.title.font': null,
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'chart.title.size': null,
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'chart.title.color': 'black',
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'chart.title.side': null,
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'chart.title.side.font': 'Arial',
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'chart.title.side.size': 12,
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'chart.title.side.color': 'black',
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'chart.title.side.bold': true,
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'chart.text.size': 12,
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'chart.text.color': 'black',
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'chart.text.font': 'Arial',
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'chart.contextmenu': null,
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'chart.units.pre': '',
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'chart.units.post': '',
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'chart.tooltips': null,
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'chart.tooltips.effect': 'fade',
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'chart.tooltips.css.class': 'RGraph_tooltip',
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'chart.tooltips.highlight': true,
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'chart.tooltips.event': 'onclick',
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'chart.highlight.stroke': 'rgba(0,0,0,0)',
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'chart.highlight.fill': 'rgba(255,255,255,0.7)',
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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.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.arrows': false,
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'chart.margin': 0,
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'chart.resizable': false,
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'chart.resize.handle.adjust': [0,0],
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'chart.resize.handle.background': null,
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'chart.label.inner': false,
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'chart.labels.count': 10,
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'chart.labels.position': 'right',
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'chart.adjustable': false,
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'chart.scale.decimals': 0,
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'chart.scale.thousand': ',',
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'chart.scale.point': '.',
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'chart.key': null,
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'chart.key.background': 'white',
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'chart.key.position': 'graph',
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'chart.key.halign': 'right',
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'chart.key.shadow': false,
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'chart.key.shadow.color': '#666',
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'chart.key.shadow.blur': 3,
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'chart.key.shadow.offsetx': 2,
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'chart.key.shadow.offsety': 2,
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'chart.key.position.gutter.boxed': false,
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'chart.key.position.x': null,
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'chart.key.position.y': null,
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'chart.key.color.shape': 'square',
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'chart.key.rounded': true,
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'chart.key.linewidth': 1,
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'chart.key.colors': null,
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'chart.key.interactive': false,
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'chart.key.interactive.highlight.chart.stroke': '#000',
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'chart.key.interactive.highlight.chart.fill': 'rgba(255,255,255,0.7)',
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'chart.key.interactive.highlight.label': 'rgba(255,0,0,0.2)',
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'chart.key.text.color': 'black',
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'chart.events.click': null,
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'chart.events.mousemove': null,
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'chart.border.inner': true
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}
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// Check for support
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if (!this.canvas) {
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alert('[PROGRESS] No canvas support');
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return;
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}
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/**
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* Create the dollar objects so that functions can be added to them
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*/
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var linear_data = RGraph.arrayLinearize(this.value);
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for (var i=0; i<linear_data.length; ++i) {
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this['$' + i] = {};
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}
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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 generic setter
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*
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* @param string name The name of the property to set or it can also be an object containing
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* object style configuration
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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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/**
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* chart.strokestyle now sets both chart.strokestyle.inner and chart.strokestyle.outer
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*/
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if (name == 'chart.strokestyle') {
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prop['chart.strokestyle.inner'] = value;
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prop['chart.strokestyle.outer'] = value;
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return;
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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.toLowerCase()] = value;
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return this;
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};
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/**
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* A generic getter
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*
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* @param string name 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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* Draws the progress bar
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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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* 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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* 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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// Figure out the width and height
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this.width = ca.width - this.gutterLeft - this.gutterRight;
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this.height = ca.height - this.gutterTop - this.gutterBottom;
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this.coords = [];
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/**
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* Stop this growing uncontrollably
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*/
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this.coordsText = [];
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this.Drawbar();
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this.DrawTickMarks();
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this.DrawLabels();
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this.DrawTitles();
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co.stroke();
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co.fill();
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/**
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* Draw the bevel effect if requested
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*/
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if (prop['chart.bevel']) {
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this.DrawBevel();
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}
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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 installs the event listeners
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*/
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RG.InstallEventListeners(this);
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// Draw a key if necessary
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if (prop['chart.key'] && prop['chart.key'].length) {
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RG.DrawKey(this, prop['chart.key'], prop['chart.colors']);
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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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* Instead of using RGraph.common.adjusting.js, handle them here
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*/
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this.AllowAdjusting();
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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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* Draw the bar itself
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*/
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this.drawbar =
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this.Drawbar = function ()
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{
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/**
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* First get the scale
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*/
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this.scale2 = RGraph.getScale2(this, {
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'max':this.max,
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'min':this.min,
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'strict':true,
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'scale.thousand':prop['chart.scale.thousand'],
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'scale.point':prop['chart.scale.point'],
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'scale.decimals':prop['chart.scale.decimals'],
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'ylabels.count':prop['chart.labels.count'],
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'scale.round':prop['chart.scale.round'],
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'units.pre': prop['chart.units.pre'],
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'units.post': prop['chart.units.post']
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});
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// Set a shadow if requested
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if (prop['chart.shadow']) {
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RG.SetShadow(this, prop['chart.shadow.color'], prop['chart.shadow.offsetx'], prop['chart.shadow.offsety'], prop['chart.shadow.blur']);
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}
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// Draw the shadow for MSIE
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if (RGraph.ISOLD && prop['chart.shadow']) {
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co.fillStyle = prop['chart.shadow.color'];
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co.fillRect(this.gutterLeft + prop['chart.shadow.offsetx'], this.gutterTop + prop['chart.shadow.offsety'], this.width, this.height);
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}
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// Draw the outline
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co.fillStyle = prop['chart.background.color'];
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co.strokeStyle = prop['chart.strokestyle.outer'];
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co.strokeRect(this.gutterLeft, this.gutterTop, this.width, this.height);
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co.fillRect(this.gutterLeft, this.gutterTop, this.width, this.height);
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// Turn off any shadow
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RG.NoShadow(this);
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co.strokeStyle = prop['chart.strokestyle.outer'];
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co.fillStyle = prop['chart.colors'][0];
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var margin = prop['chart.margin'];
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var barHeight = (ca.height - this.gutterTop - this.gutterBottom) * ((RG.arraySum(this.value) - this.min) / (this.max - this.min));
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// Draw the actual bar itself
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if (typeof this.value == 'number') {
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co.lineWidth = 1;
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co.strokeStyle = prop['chart.strokestyle.inner'];
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} else if (typeof this.value == 'object') {
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co.beginPath();
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co.strokeStyle = prop['chart.strokestyle.inner'];
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var startPoint = ca.height - this.gutterBottom;
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for (var i=0; i<this.value.length; ++i) {
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var segmentHeight = ( (this.value[i] - this.min) / (this.max - this.min) ) * (ca.height - this.gutterBottom - this.gutterTop);
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co.fillStyle = prop['chart.colors'][i];
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if (prop['chart.border.inner']) {
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co.strokeRect(this.gutterLeft + margin, startPoint - segmentHeight, this.width - margin - margin, segmentHeight);
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}
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co.fillRect(this.gutterLeft + margin, startPoint - segmentHeight, this.width - margin - margin, segmentHeight);
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// Store the coords
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this.coords.push([this.gutterLeft + margin, startPoint - segmentHeight, this.width - margin - margin, segmentHeight]);
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startPoint -= segmentHeight;
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}
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co.stroke();
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co.fill();
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}
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/**
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* Inner tickmarks
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*/
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if (prop['chart.tickmarks.inner']) {
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var spacing = (ca.height - this.gutterTop - this.gutterBottom) / prop['chart.numticks.inner'];
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co.lineWidth = 1;
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co.strokeStyle = prop['chart.strokestyle.outer'];
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co.beginPath();
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for (var y = this.gutterTop; y<ca.height - this.gutterBottom; y+=spacing) {
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co.moveTo(this.gutterLeft, Math.round(y));
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co.lineTo(this.gutterLeft + 3, Math.round(y));
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co.moveTo(ca.width - this.gutterRight, Math.round(y));
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co.lineTo(ca.width - this.gutterRight - 3, Math.round(y));
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}
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co.stroke();
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}
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co.beginPath();
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co.strokeStyle = prop['chart.strokestyle.inner'];
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if (typeof this.value == 'number') {
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if (prop['chart.border.inner']) {
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co.strokeRect(this.gutterLeft + margin, this.gutterTop + this.height - barHeight, this.width - margin - margin, barHeight);
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}
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co.fillRect(
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this.gutterLeft + margin,
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this.gutterTop + this.height - barHeight,
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this.width - margin - margin,
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barHeight
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);
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// Store the coords
|
|
this.coords.push([this.gutterLeft + margin, this.gutterTop + this.height - barHeight, this.width - margin - margin, barHeight]);
|
|
}
|
|
|
|
|
|
/**
|
|
* Draw the arrows indicating the level if requested
|
|
*/
|
|
if (prop['chart.arrows']) {
|
|
var x = this.gutterLeft - 4;
|
|
var y = ca.height - this.gutterBottom - barHeight;
|
|
|
|
co.lineWidth = 1;
|
|
co.fillStyle = 'black';
|
|
co.strokeStyle = 'black';
|
|
|
|
co.beginPath();
|
|
co.moveTo(x, y);
|
|
co.lineTo(x - 4, y - 2);
|
|
co.lineTo(x - 4, y + 2);
|
|
co.closePath();
|
|
|
|
co.stroke();
|
|
co.fill();
|
|
|
|
x += this.width + 8;
|
|
|
|
co.beginPath();
|
|
co.moveTo(x, y);
|
|
co.lineTo(x + 4, y - 2);
|
|
co.lineTo(x + 4, y + 2);
|
|
co.closePath();
|
|
|
|
co.stroke();
|
|
co.fill();
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Draw the "in-bar" label
|
|
*/
|
|
if (prop['chart.label.inner']) {
|
|
co.fillStyle = 'black';
|
|
RG.Text2(this, {'font':prop['chart.text.font'],
|
|
'size':prop['chart.text.size'],
|
|
'x':((ca.width - this.gutterLeft - this.gutterRight) / 2) + this.gutterLeft,'y':this.coords[this.coords.length - 1][1] - 5,'text':RGraph.number_format(this, (typeof(this.value) == 'number' ? this.value : RG.array_sum(this.value)).toFixed(prop['chart.scale.decimals'])),
|
|
'valign':'bottom',
|
|
'halign':'center',
|
|
'bounding':true,
|
|
'boundingFill':'white',
|
|
'tag': 'label.inner'
|
|
});
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* The function that draws the tick marks.
|
|
*/
|
|
this.drawTickMarks =
|
|
this.DrawTickMarks = function ()
|
|
{
|
|
co.strokeStyle = prop['chart.tickmarks.color'];
|
|
|
|
if (prop['chart.tickmarks']) {
|
|
co.beginPath();
|
|
for (var i=0; prop['chart.tickmarks.zerostart'] ? i<=prop['chart.numticks'] : i<prop['chart.numticks']; i++) {
|
|
|
|
var startX = prop['chart.labels.position'] == 'left' ? this.gutterLeft : ca.width - prop['chart.gutter.right'];
|
|
var endX = prop['chart.labels.position'] == 'left' ? startX - 4 : startX + 4;
|
|
var yPos = (this.height * (i / prop['chart.numticks'])) + this.gutterTop
|
|
|
|
co.moveTo(startX, Math.round(yPos));
|
|
co.lineTo(endX, Math.round(yPos));
|
|
}
|
|
co.stroke();
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* The function that draws the labels
|
|
*/
|
|
this.drawLabels =
|
|
this.DrawLabels = function ()
|
|
{
|
|
if (!RG.is_null(prop['chart.labels.specific'])) {
|
|
return this.DrawSpecificLabels();
|
|
}
|
|
|
|
co.fillStyle = prop['chart.text.color'];
|
|
|
|
var position = prop['chart.labels.position'];
|
|
var xAlignment = position == 'left' ? 'right' : 'left';
|
|
var yAlignment = 'center';
|
|
var count = prop['chart.labels.count'];
|
|
var units_pre = prop['chart.units.pre'];
|
|
var units_post = prop['chart.units.post'];
|
|
var text_size = prop['chart.text.size'];
|
|
var text_font = prop['chart.text.font'];
|
|
var decimals = prop['chart.scale.decimals'];
|
|
|
|
if (prop['chart.tickmarks']) {
|
|
|
|
for (var i=0; i<count ; ++i) {
|
|
RG.Text2(this, {'font':text_font,
|
|
'size':text_size,
|
|
'x':position == 'left' ? (this.gutterLeft - 7) : (ca.width - this.gutterRight + 7),
|
|
'y':(((ca.height - this.gutterTop - this.gutterBottom) / count) * i) + this.gutterTop,
|
|
'text':this.scale2.labels[this.scale2.labels.length - (i+1)],
|
|
'valign':yAlignment,
|
|
'halign':xAlignment,
|
|
'tag': 'scale'
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Show zero?
|
|
*/
|
|
if (prop['chart.tickmarks.zerostart'] && this.min == 0) {
|
|
RG.Text2(this, {'font':text_font,
|
|
'size':text_size,
|
|
'x':position == 'left' ? (this.gutterLeft - 5) : (ca.width - this.gutterRight + 5),
|
|
'y':ca.height - this.gutterBottom,'text':RG.number_format(this, this.min.toFixed(decimals), units_pre, units_post),
|
|
'valign':yAlignment,
|
|
'halign':xAlignment,
|
|
'tag': 'scale'
|
|
});
|
|
}
|
|
|
|
/**
|
|
* min is set
|
|
*/
|
|
if (this.min != 0) {
|
|
RG.Text2(this, {'font':text_font,
|
|
'size':text_size,
|
|
'x':position == 'left' ? (this.gutterLeft - 5) : (ca.width - this.gutterRight + 5),
|
|
'y':ca.height - this.gutterBottom,
|
|
'text':RG.number_format(this, this.min.toFixed(decimals), units_pre, units_post),
|
|
'valign':yAlignment,
|
|
'halign':xAlignment,
|
|
'tag': 'scale'
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Draws titles
|
|
*/
|
|
this.drawTitles =
|
|
this.DrawTitles = function ()
|
|
{
|
|
var text_size = prop['chart.text.size'];
|
|
var text_font = prop['chart.text.font'];
|
|
var title_size = prop['chart.title.size'] ? prop['chart.title.size'] : text_size + 2;
|
|
|
|
// Draw the title text
|
|
if (prop['chart.title'].length > 0) {
|
|
|
|
co.fillStyle = prop['chart.title.color'];
|
|
|
|
RG.Text2(this, {'font':prop['chart.title.font'] ? prop['chart.title.font'] : text_font,
|
|
'size':title_size,
|
|
'x':this.gutterLeft + ((ca.width - this.gutterLeft - this.gutterRight) / 2),
|
|
'y':this.gutterTop - 5,
|
|
'text':prop['chart.title'],
|
|
'valign':'bottom',
|
|
'halign':'center',
|
|
'bold': prop['chart.title.bold'],
|
|
'tag': 'title'
|
|
});
|
|
}
|
|
|
|
// Draw side title
|
|
if (typeof(prop['chart.title.side']) == 'string') {
|
|
|
|
co.fillStyle = prop['chart.title.side.color'];
|
|
|
|
RG.Text2(this, {'font':prop['chart.title.side.font'],
|
|
'size':prop['chart.title.side.size'],
|
|
'x':prop['chart.labels.position'] == 'right' ? this.gutterLeft - 10 : (ca.width - this.gutterRight) + 10,
|
|
'y':this.gutterTop + (this.height / 2),
|
|
'text': prop['chart.title.side'],
|
|
'valign':'bottom',
|
|
'halign':'center',
|
|
'angle': prop['chart.labels.position'] == 'right' ? 270 : 90,
|
|
'bold': prop['chart.title.side.bold'],
|
|
'tag': 'title.side'
|
|
});
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Returns the focused bar
|
|
*
|
|
* @param event e The event object
|
|
*/
|
|
this.getShape =
|
|
this.getBar = function (e)
|
|
{
|
|
var mouseCoords = RG.getMouseXY(e)
|
|
|
|
for (var i=0,len=this.coords.length; i<len; i++) {
|
|
|
|
var mouseCoords = RG.getMouseXY(e);
|
|
var mouseX = mouseCoords[0];
|
|
var mouseY = mouseCoords[1];
|
|
var left = this.coords[i][0];
|
|
var top = this.coords[i][1];
|
|
var width = this.coords[i][2];
|
|
var height = this.coords[i][3];
|
|
var idx = i;
|
|
|
|
if (mouseX >= left && mouseX <= (left + width) && mouseY >= top && mouseY <= (top + height) ) {
|
|
|
|
var tooltip = RG.parseTooltipText(prop['chart.tooltips'], i);
|
|
|
|
return {0: this, 'object': this,
|
|
1: left, 'x': left,
|
|
2: top, 'y': top,
|
|
3: width, 'width': width,
|
|
4: height, 'height': height,
|
|
5: i, 'index': i,
|
|
'tooltip': tooltip };
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This function returns the value that the mouse is positioned at, regardless of
|
|
* the actual indicated value.
|
|
*
|
|
* @param object e The event object
|
|
*/
|
|
this.getValue = function (e)
|
|
{
|
|
var mouseCoords = RG.getMouseXY(e);
|
|
var mouseX = mouseCoords[0];
|
|
var mouseY = mouseCoords[1];
|
|
|
|
var value = (this.height - (mouseY - this.gutterTop)) / this.height;
|
|
value *= this.max - this.min;
|
|
value += this.min;
|
|
|
|
// Bounds checking
|
|
if (value > this.max) value = this.max;
|
|
if (value < this.min) value = this.min;
|
|
|
|
return value;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Each object type has its own Highlight() function which highlights the appropriate shape
|
|
*
|
|
* @param object shape The shape to highlight
|
|
*/
|
|
this.highlight =
|
|
this.Highlight = function (shape)
|
|
{
|
|
// Add the new highlight
|
|
RG.Highlight.Rect(this, shape);
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* The getObjectByXY() worker method. Don't call this call:
|
|
*
|
|
* RGraph.ObjectRegistry.getObjectByXY(e)
|
|
*
|
|
* @param object e The event object
|
|
*/
|
|
this.getObjectByXY = function (e)
|
|
{
|
|
var mouseXY = RG.getMouseXY(e);
|
|
|
|
if (
|
|
mouseXY[0] > this.gutterLeft
|
|
&& mouseXY[0] < (ca.width - this.gutterRight)
|
|
&& mouseXY[1] >= this.gutterTop
|
|
&& mouseXY[1] <= (ca.height - this.gutterBottom)
|
|
) {
|
|
|
|
return this;
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This function allows the VProgress to be adjustable.
|
|
* UPDATE: Not any more
|
|
*/
|
|
this.allowAdjusting =
|
|
this.AllowAdjusting = function () {return;};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* 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 HProgress
|
|
*/
|
|
if (prop['chart.adjustable'] && RG.Registry.Get('chart.adjusting') && RG.Registry.Get('chart.adjusting').uid == this.uid) {
|
|
|
|
var mouseXY = RG.getMouseXY(e);
|
|
var value = this.getValue(e);
|
|
|
|
if (typeof value === 'number') {
|
|
|
|
// Fire the onadjust event
|
|
RG.FireCustomEvent(this, 'onadjust');
|
|
|
|
this.value = Number(value.toFixed(prop['chart.scale.decimals']));
|
|
RG.RedrawCanvas(this.canvas);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Draws chart.labels.specific
|
|
*/
|
|
this.drawSpecificLabels =
|
|
this.DrawSpecificLabels = function ()
|
|
{
|
|
var labels = prop['chart.labels.specific'];
|
|
|
|
if (labels) {
|
|
|
|
var font = prop['chart.text.font'];
|
|
var size = prop['chart.text.size'];
|
|
var halign = prop['chart.labels.position'] == 'right' ? 'left' : 'right';
|
|
var step = this.height / (labels.length - 1);
|
|
|
|
co.beginPath();
|
|
|
|
co.fillStyle = prop['chart.text.color'];
|
|
|
|
for (var i=0; i<labels.length; ++i) {
|
|
|
|
RG.Text2(this,{'font':font,
|
|
'size':size,
|
|
'x': prop['chart.labels.position'] == 'right' ? ca.width - this.gutterRight + 7 : this.gutterLeft - 7,
|
|
'y':(this.height + this.gutterTop) - (step * i),
|
|
'text':labels[i],
|
|
'valign':'center',
|
|
'halign':halign,
|
|
'tag': 'labels.specific'
|
|
});
|
|
}
|
|
co.fill();
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This function positions a tooltip when it is displayed
|
|
*
|
|
* @param obj object The chart object
|
|
* @param int x The X coordinate specified for the tooltip
|
|
* @param int y The Y coordinate specified for the tooltip
|
|
* @param objec tooltip The tooltips DIV element
|
|
*/
|
|
this.positionTooltip = function (obj, x, y, tooltip, idx)
|
|
{
|
|
var coordX = obj.coords[tooltip.__index__][0];
|
|
var coordY = obj.coords[tooltip.__index__][1];
|
|
var coordW = obj.coords[tooltip.__index__][2];
|
|
var coordH = obj.coords[tooltip.__index__][3];
|
|
var canvasXY = RG.getCanvasXY(obj.canvas);
|
|
var gutterLeft = obj.gutterLeft;
|
|
var gutterTop = obj.gutterTop;
|
|
var width = tooltip.offsetWidth;
|
|
var height = tooltip.offsetHeight;
|
|
|
|
// Set the top position
|
|
tooltip.style.left = 0;
|
|
tooltip.style.top = canvasXY[1] + coordY - height - 7 + 'px';
|
|
|
|
// By default any overflow is hidden
|
|
tooltip.style.overflow = '';
|
|
|
|
// The arrow
|
|
var img = new Image();
|
|
img.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAFCAYAAACjKgd3AAAARUlEQVQYV2NkQAN79+797+RkhC4M5+/bd47B2dmZEVkBCgcmgcsgbAaA9GA1BCSBbhAuA/AagmwQPgMIGgIzCD0M0AMMAEFVIAa6UQgcAAAAAElFTkSuQmCC';
|
|
img.style.position = 'absolute';
|
|
img.id = '__rgraph_tooltip_pointer__';
|
|
img.style.top = (tooltip.offsetHeight - 2) + 'px';
|
|
tooltip.appendChild(img);
|
|
|
|
// Reposition the tooltip if at the edges:
|
|
|
|
// LEFT edge
|
|
if ((canvasXY[0] + coordX + (coordW / 2) - (width / 2)) < 10) {
|
|
tooltip.style.left = (canvasXY[0] + coordX - (width * 0.1)) + (coordW / 2) + 'px';
|
|
img.style.left = ((width * 0.1) - 8.5) + 'px';
|
|
|
|
// RIGHT edge
|
|
} else if ((canvasXY[0] + coordX + (coordW / 2) + (width / 2)) > doc.body.offsetWidth) {
|
|
tooltip.style.left = canvasXY[0] + coordX - (width * 0.9) + (coordW / 2) + 'px';
|
|
img.style.left = ((width * 0.9) - 8.5) + 'px';
|
|
|
|
// Default positioning - CENTERED
|
|
} else {
|
|
tooltip.style.left = (canvasXY[0] + coordX + (coordW / 2) - (width * 0.5)) + 'px';
|
|
img.style.left = ((width * 0.5) - 8.5) + 'px';
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This function returns the appropriate Y coordinate for the given Y value
|
|
*
|
|
* @param int value The Y value you want the coordinate for
|
|
* @returm int The coordinate
|
|
*/
|
|
this.getYCoord = function (value)
|
|
{
|
|
if (value > this.max || value < this.min) {
|
|
return null;
|
|
}
|
|
|
|
var barHeight = ca.height - prop['chart.gutter.top'] - prop['chart.gutter.bottom'];
|
|
var coord = ((value - this.min) / (this.max - this.min)) * barHeight;
|
|
coord = ca.height - coord - prop['chart.gutter.bottom'];
|
|
|
|
return coord;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This returns true/false as to whether the cursor is over the chart area.
|
|
* The cursor does not necessarily have to be over the bar itself.
|
|
*/
|
|
this.overChartArea = function (e)
|
|
{
|
|
var mouseXY = RGraph.getMouseXY(e);
|
|
var mouseX = mouseXY[0];
|
|
var mouseY = mouseXY[1];
|
|
|
|
if ( mouseX >= this.gutterLeft
|
|
&& mouseX <= (ca.width - this.gutterRight)
|
|
&& mouseY >= this.gutterTop
|
|
&& mouseY <= (ca.height - this.gutterBottom)
|
|
) {
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
*
|
|
*/
|
|
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.tickmarks.color'] = RG.array_clone(prop['chart.tickmarks.color']);
|
|
this.original_colors['chart.strokestyle.inner'] = RG.array_clone(prop['chart.strokestyle.inner']);
|
|
this.original_colors['chart.strokestyle.outer'] = RG.array_clone(prop['chart.strokestyle.outer']);
|
|
this.original_colors['chart.highlight.fill'] = RG.array_clone(prop['chart.highlight.fill']);
|
|
this.original_colors['chart.highlight.stroke'] = RG.array_clone(prop['chart.highlight.stroke']);
|
|
this.original_colors['chart.highlight.color'] = RG.array_clone(prop['chart.highlight.color']);
|
|
}
|
|
|
|
var colors = prop['chart.colors'];
|
|
|
|
for (var i=0,len=colors.length; i<len; ++i) {
|
|
colors[i] = this.parseSingleColorForGradient(colors[i]);
|
|
}
|
|
|
|
prop['chart.tickmarks.color'] = this.parseSingleColorForGradient(prop['chart.tickmarks.color']);
|
|
prop['chart.strokestyle.inner'] = this.parseSingleColorForGradient(prop['chart.strokestyle.inner']);
|
|
prop['chart.strokestyle.outer'] = this.parseSingleColorForGradient(prop['chart.strokestyle.outer']);
|
|
prop['chart.highlight.fill'] = this.parseSingleColorForGradient(prop['chart.highlight.fill']);
|
|
prop['chart.highlight.stroke'] = this.parseSingleColorForGradient(prop['chart.highlight.stroke']);
|
|
prop['chart.background.color'] = this.parseSingleColorForGradient(prop['chart.background.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.parseSingleColorForGradient = 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(0, ca.height - prop['chart.gutter.bottom'], 0, prop['chart.gutter.top']);
|
|
|
|
var diff = 1 / (parts.length - 1);
|
|
|
|
grad.addColorStop(0, RG.trim(parts[0]));
|
|
|
|
for (var j=1,len=parts.length; j<len; ++j) {
|
|
grad.addColorStop(j * diff, RG.trim(parts[j]));
|
|
}
|
|
|
|
return grad ? grad : color;
|
|
}
|
|
|
|
return grad ? grad : color;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Draws the bevel effect
|
|
*/
|
|
this.drawBevel =
|
|
this.DrawBevel = function ()
|
|
{
|
|
// In case of multiple segments - this adds up all the lengths
|
|
for (var i=0,len=0; i<this.coords.length; ++i) len += this.coords[i][3];
|
|
|
|
co.save();
|
|
// Draw a path to clip to
|
|
co.beginPath();
|
|
co.rect(this.coords[0][0], this.coords[this.coords.length - 1][1] - 1, this.coords[0][2], len);
|
|
co.clip();
|
|
|
|
// Now draw the rect with a shadow
|
|
co.beginPath();
|
|
|
|
co.shadowColor = 'black';
|
|
co.shadowOffsetX = 0;
|
|
co.shadowOffsetY = 0;
|
|
co.shadowBlur = 15;
|
|
|
|
co.lineWidth = 2;
|
|
co.rect(this.coords[0][0] - 1, this.coords[this.coords.length - 1][1] - 1, this.coords[0][2] + 2, len + 2);
|
|
|
|
co.stroke();
|
|
|
|
co.restore();
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This function handles highlighting an entire data-series for the interactive
|
|
* key
|
|
*
|
|
* @param int index The index of the data series to be highlighted
|
|
*/
|
|
this.interactiveKeyHighlight = function (index)
|
|
{
|
|
var coords = this.coords[index];
|
|
|
|
co.beginPath();
|
|
|
|
co.strokeStyle = prop['chart.key.interactive.highlight.chart.stroke'];
|
|
co.lineWidth = 2;
|
|
co.fillStyle = prop['chart.key.interactive.highlight.chart.fill'];
|
|
|
|
co.rect(coords[0], coords[1], coords[2], coords[3]);
|
|
co.fill();
|
|
co.stroke();
|
|
|
|
// Reset the linewidth
|
|
co.lineWidth = 1;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* 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 ()
|
|
{
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* HProgress Grow effect (which is also the VPogress Grow effect)
|
|
*
|
|
* @param object obj The chart object
|
|
*/
|
|
this.grow = function ()
|
|
{
|
|
var obj = this;
|
|
var canvas = obj.canvas;
|
|
var context = obj.context;
|
|
var initial_value = obj.currentValue;
|
|
var opt = arguments[0] || {};
|
|
var numFrames = opt.frames || 30;
|
|
var frame = 0
|
|
var callback = arguments[1] || function () {};
|
|
|
|
if (typeof obj.value === 'object') {
|
|
|
|
if (RGraph.is_null(obj.currentValue)) {
|
|
obj.currentValue = [];
|
|
for (var i=0; i<obj.value.length; ++i) {
|
|
obj.currentValue[i] = 0;
|
|
}
|
|
}
|
|
|
|
var diff = [];
|
|
var increment = [];
|
|
|
|
for (var i=0; i<obj.value.length; ++i) {
|
|
diff[i] = obj.value[i] - Number(obj.currentValue[i]);
|
|
increment[i] = diff[i] / numFrames;
|
|
}
|
|
|
|
if (initial_value == null) {
|
|
initial_value = [];
|
|
for (var i=0; i< obj.value.length; ++i) {
|
|
initial_value[i] = 0;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
|
|
var diff = obj.value - Number(obj.currentValue);
|
|
var increment = diff / numFrames;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function iterator ()
|
|
{
|
|
frame++;
|
|
|
|
if (frame <= numFrames) {
|
|
|
|
if (typeof obj.value == 'object') {
|
|
obj.value = [];
|
|
for (var i=0; i<initial_value.length; ++i) {
|
|
obj.value[i] = initial_value[i] + (increment[i] * frame);
|
|
}
|
|
} else {
|
|
obj.value = initial_value + (increment * frame);
|
|
}
|
|
|
|
RGraph.clear(obj.canvas);
|
|
RGraph.redrawCanvas(obj.canvas);
|
|
|
|
RGraph.Effects.updateCanvas(iterator);
|
|
} else {
|
|
callback();
|
|
}
|
|
}
|
|
|
|
iterator();
|
|
|
|
return this;
|
|
};
|
|
|
|
|
|
|
|
RG.att(ca);
|
|
|
|
|
|
|
|
/**
|
|
* The chart is now always registered
|
|
*/
|
|
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);
|
|
}
|
|
}; |