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/**
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* o-------------------------------------------------------------------------------o
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* | This file is part of the RGraph package. RGraph is Free software, licensed |
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* | under the MIT license - so it's free to use for all purposes. Extended |
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* | support is available if required and donations are always welcome! You can |
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* | read more here: |
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* | http://www.rgraph.net/support |
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* o-------------------------------------------------------------------------------o
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*/
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if (typeof(RGraph) == 'undefined') RGraph = {};
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/**
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* The rose chart constuctor
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*
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* @param object canvas
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* @param array data
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*/
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RGraph.Rose = function (id, data)
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{
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this.id = id;
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this.canvas = document.getElementById(typeof id === 'object' ? id.id : id);
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this.context = this.canvas.getContext('2d');
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this.data = data;
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this.canvas.__object__ = this;
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this.type = 'rose';
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this.isRGraph = true;
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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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/**
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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.centerx = 0;
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this.centery = 0;
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this.radius = 0;
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this.max = 0;
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this.angles = [];
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this.angles2 = [];
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this.properties = {
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'chart.background.axes': true,
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'chart.background.axes.color': 'black',
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'chart.background.grid': true,
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'chart.background.grid.color': '#ccc',
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'chart.background.grid.size': null,
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'chart.background.grid.spokes': null,
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'chart.background.grid.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.angles.start': 0,
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'chart.colors': ['rgba(255,0,0,0.5)', 'rgba(255,255,0,0.5)', 'rgba(0,255,255,0.5)', 'rgb(0,255,0)', 'gray', 'blue', 'rgb(255,128,255)','green', 'pink', 'gray', 'aqua'],
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'chart.colors.sequential': false,
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'chart.colors.alpha': null,
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'chart.margin': 0,
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'chart.strokestyle': '#aaa',
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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.title': '',
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'chart.title.background': null,
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'chart.title.hpos': null,
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'chart.title.vpos': null,
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'chart.title.bold': true,
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'chart.title.font': null,
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'chart.title.x': null,
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'chart.title.y': null,
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'chart.title.halign': null,
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'chart.title.valign': null,
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'chart.labels': null,
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'chart.labels.position': 'center',
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'chart.labels.axes': 'nsew',
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'chart.labels.offset': 0,
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'chart.text.color': 'black',
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'chart.text.font': 'Arial',
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'chart.text.size': 10,
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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': 'black',
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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.contextmenu': null,
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'chart.tooltips': null,
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'chart.tooltips.event': 'onclick',
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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.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.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.adjustable': false,
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'chart.ymax': null,
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'chart.ymin': 0,
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'chart.scale.decimals': null,
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'chart.scale.point': '.',
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'chart.scale.thousand': ',',
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'chart.variant': 'stacked',
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'chart.exploded': 0,
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'chart.events.mousemove': null,
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'chart.events.click': null,
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'chart.animation.roundrobin.factor': 1,
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'chart.animation.roundrobin.radius': true,
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'chart.animation.grow.multiplier': 1,
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'chart.labels.count': 5
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}
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/**
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* Create the $ objects. In the case of non-equi-angular rose charts it actually creates too many $ objects,
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* but it doesn't matter.
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*/
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var linear_data = RGraph.array_linearize(this.data);
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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 PROPERTIES /////////////////////////////////
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var RG = RGraph;
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var ca = this.canvas;
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var co = ca.getContext('2d');
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var prop = this.properties;
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//var $jq = jQuery;
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//////////////////////////////////// METHODS ///////////////////////////////////////
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/**
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* A simple setter
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*
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* @param string name The name of the property to set
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* @param string value The value of the property
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*/
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this.Set = function (name, value)
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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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prop[name.toLowerCase()] = value;
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return this;
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}
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/**
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* A simple 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 = 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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return prop[name.toLowerCase()];
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}
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/**
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* This method draws the rose chart
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*/
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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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* This doesn't affect the chart, but is used for compatibility
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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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// Calculate the radius
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this.radius = (Math.min(ca.width - this.gutterLeft - this.gutterRight, ca.height - this.gutterTop - this.gutterBottom) / 2);
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this.centerx = ((ca.width - this.gutterLeft - this.gutterRight) / 2) + this.gutterLeft;
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this.centery = ((ca.height - this.gutterTop - this.gutterBottom) / 2) + this.gutterTop;
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this.angles = [];
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this.angles2 = [];
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this.total = 0;
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this.startRadians = prop['chart.angles.start'];
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/**
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* Change the centerx marginally if the key is defined
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*/
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if (prop['chart.key'] && prop['chart.key'].length > 0 && prop['chart.key'].length >= 3) {
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this.centerx = this.centerx - this.gutterRight + 5;
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}
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// User specified radius, centerx and centery
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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 for gradients. Its down here so that the center X/Y can be used
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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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this.DrawBackground();
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this.DrawRose();
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this.DrawLabels();
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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 function enables adjusting
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*/
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if (prop['chart.adjustable']) {
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RG.AllowAdjusting(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 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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* This method draws the rose charts background
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*/
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this.DrawBackground = function ()
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{
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co.lineWidth = 1;
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// Draw the background grey circles/spokes
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if (prop['chart.background.grid']) {
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if (typeof(prop['chart.background.grid.count']) == 'number') {
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prop['chart.background.grid.size'] = this.radius / prop['chart.background.grid.count'];
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}
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co.beginPath();
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co.strokeStyle = prop['chart.background.grid.color'];
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// Radius must be greater than 0 for Opera to work
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for (var i=prop['chart.background.grid.size']; i<=this.radius; i+=prop['chart.background.grid.size']) {
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// Hmmm... This is questionable
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co.moveTo(this.centerx + i, this.centery);
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// Radius must be greater than 0 for Opera to work
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co.arc(this.centerx,
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this.centery,
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i,
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0,
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TWOPI,
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false);
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}
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co.stroke();
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// Draw the background lines that go from the center outwards
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co.beginPath();
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if (typeof(prop['chart.background.grid.spokes']) == 'number') {
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var num = (360 / prop['chart.background.grid.spokes']);
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for (var i=num; i<=360; i+=num) {
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|
|
377 |
|
|
|
378 |
// Radius must be greater than 0 for Opera to work
|
|
|
379 |
co.arc(this.centerx,
|
|
|
380 |
this.centery,
|
|
|
381 |
this.radius,
|
|
|
382 |
((i / (180 / PI)) - HALFPI) + this.startRadians,
|
|
|
383 |
(((i + 0.0001) / (180 / PI)) - HALFPI) + this.startRadians,
|
|
|
384 |
false);
|
|
|
385 |
|
|
|
386 |
co.lineTo(this.centerx, this.centery);
|
|
|
387 |
}
|
|
|
388 |
} else {
|
|
|
389 |
for (var i=15; i<=360; i+=15) {
|
|
|
390 |
|
|
|
391 |
// Radius must be greater than 0 for Opera to work
|
|
|
392 |
co.arc(this.centerx,
|
|
|
393 |
this.centery,
|
|
|
394 |
this.radius,
|
|
|
395 |
(i / (180/ PI)) - HALFPI,
|
|
|
396 |
((i + 0.0001) / (180/ PI)) - HALFPI,
|
|
|
397 |
false);
|
|
|
398 |
|
|
|
399 |
co.lineTo(this.centerx, this.centery);
|
|
|
400 |
}
|
|
|
401 |
}
|
|
|
402 |
co.stroke();
|
|
|
403 |
}
|
|
|
404 |
|
|
|
405 |
|
|
|
406 |
|
|
|
407 |
if (prop['chart.background.axes']) {
|
|
|
408 |
co.beginPath();
|
|
|
409 |
co.strokeStyle = prop['chart.background.axes.color'];
|
|
|
410 |
|
|
|
411 |
// Draw the X axis
|
|
|
412 |
co.moveTo(this.centerx - this.radius, Math.round(this.centery) );
|
|
|
413 |
co.lineTo(this.centerx + this.radius, Math.round(this.centery) );
|
|
|
414 |
|
|
|
415 |
// Draw the X ends
|
|
|
416 |
co.moveTo(Math.round(this.centerx - this.radius), this.centery - 5);
|
|
|
417 |
co.lineTo(Math.round(this.centerx - this.radius), this.centery + 5);
|
|
|
418 |
co.moveTo(Math.round(this.centerx + this.radius), this.centery - 5);
|
|
|
419 |
co.lineTo(Math.round(this.centerx + this.radius), this.centery + 5);
|
|
|
420 |
|
|
|
421 |
// Draw the X check marks
|
|
|
422 |
for (var i=(this.centerx - this.radius); i<(this.centerx + this.radius); i+=(this.radius / 5)) {
|
|
|
423 |
co.moveTo(Math.round(i), this.centery - 3);
|
|
|
424 |
co.lineTo(Math.round(i), this.centery + 3.5);
|
|
|
425 |
}
|
|
|
426 |
|
|
|
427 |
// Draw the Y check marks
|
|
|
428 |
for (var i=(this.centery - this.radius); i<(this.centery + this.radius); i+=(this.radius / 5)) {
|
|
|
429 |
co.moveTo(this.centerx - 3, Math.round(i));
|
|
|
430 |
co.lineTo(this.centerx + 3, Math.round(i));
|
|
|
431 |
}
|
|
|
432 |
|
|
|
433 |
// Draw the Y axis
|
|
|
434 |
co.moveTo(Math.round(this.centerx), this.centery - this.radius);
|
|
|
435 |
co.lineTo(Math.round(this.centerx), this.centery + this.radius);
|
|
|
436 |
|
|
|
437 |
// Draw the Y ends
|
|
|
438 |
co.moveTo(this.centerx - 5, Math.round(this.centery - this.radius));
|
|
|
439 |
co.lineTo(this.centerx + 5, Math.round(this.centery - this.radius));
|
|
|
440 |
|
|
|
441 |
co.moveTo(this.centerx - 5, Math.round(this.centery + this.radius));
|
|
|
442 |
co.lineTo(this.centerx + 5, Math.round(this.centery + this.radius));
|
|
|
443 |
|
|
|
444 |
// Stroke it
|
|
|
445 |
co.closePath();
|
|
|
446 |
co.stroke();
|
|
|
447 |
}
|
|
|
448 |
}
|
|
|
449 |
|
|
|
450 |
|
|
|
451 |
|
|
|
452 |
|
|
|
453 |
/**
|
|
|
454 |
* This method draws the data on the graph
|
|
|
455 |
*/
|
|
|
456 |
this.DrawRose = function ()
|
|
|
457 |
{
|
|
|
458 |
var max = 0;
|
|
|
459 |
var data = this.data;
|
|
|
460 |
var margin = RGraph.degrees2Radians(prop['chart.margin']);
|
|
|
461 |
|
|
|
462 |
// Must be at least two data points
|
|
|
463 |
//if (data.length < 2) {
|
|
|
464 |
// alert('[ROSE] Must be at least two data points! [' + data + ']');
|
|
|
465 |
// return;
|
|
|
466 |
//}
|
|
|
467 |
|
|
|
468 |
// Work out the maximum value and the sum
|
|
|
469 |
if (RG.is_null(prop['chart.ymax'])) {
|
|
|
470 |
|
|
|
471 |
// Work out the max
|
|
|
472 |
for (var i=0; i<data.length; ++i) {
|
|
|
473 |
if (typeof(data[i]) == 'number') {
|
|
|
474 |
max = Math.max(max, data[i]);
|
|
|
475 |
} else if (typeof(data[i]) == 'object' && prop['chart.variant'] == 'non-equi-angular') {
|
|
|
476 |
max = Math.max(max, data[i][0]);
|
|
|
477 |
|
|
|
478 |
// Fallback is stacked
|
|
|
479 |
} else {
|
|
|
480 |
max = Math.max(max, RG.array_sum(data[i]));
|
|
|
481 |
}
|
|
|
482 |
}
|
|
|
483 |
|
|
|
484 |
this.scale2 = RG.getScale2(this, {
|
|
|
485 |
'max':max,
|
|
|
486 |
'min':0,
|
|
|
487 |
'scale.thousand':prop['chart.scale.thousand'],
|
|
|
488 |
'scale.point':prop['chart.scale.point'],
|
|
|
489 |
'scale.decimals':prop['chart.scale.decimals'],
|
|
|
490 |
'ylabels.count':prop['chart.labels.count'],
|
|
|
491 |
'scale.round':prop['chart.scale.round'],
|
|
|
492 |
'units.pre': prop['chart.units.pre'],
|
|
|
493 |
'units.post': prop['chart.units.post']
|
|
|
494 |
});
|
|
|
495 |
this.max = this.scale2.max;
|
|
|
496 |
|
|
|
497 |
} else {
|
|
|
498 |
|
|
|
499 |
var ymax = prop['chart.ymax'];
|
|
|
500 |
|
|
|
501 |
|
|
|
502 |
|
|
|
503 |
this.scale2 = RG.getScale2(this, {
|
|
|
504 |
'max':ymax,
|
|
|
505 |
'strict':true,
|
|
|
506 |
'scale.thousand':prop['chart.scale.thousand'],
|
|
|
507 |
'scale.point':prop['chart.scale.point'],
|
|
|
508 |
'scale.decimals':prop['chart.scale.decimals'],
|
|
|
509 |
'ylabels.count':prop['chart.labels.count'],
|
|
|
510 |
'scale.round':prop['chart.scale.round'],
|
|
|
511 |
'units.pre': prop['chart.units.pre'],
|
|
|
512 |
'units.post': prop['chart.units.post']
|
|
|
513 |
});
|
|
|
514 |
this.max = this.scale2.max
|
|
|
515 |
}
|
|
|
516 |
|
|
|
517 |
this.sum = RG.array_sum(data);
|
|
|
518 |
|
|
|
519 |
// Move to the centre
|
|
|
520 |
co.moveTo(this.centerx, this.centery);
|
|
|
521 |
|
|
|
522 |
co.stroke(); // Stroke the background so it stays grey
|
|
|
523 |
|
|
|
524 |
// Transparency
|
|
|
525 |
if (prop['chart.colors.alpha']) {
|
|
|
526 |
co.globalAlpha = prop['chart.colors.alpha'];
|
|
|
527 |
}
|
|
|
528 |
|
|
|
529 |
/*******************************************************
|
|
|
530 |
* A non-equi-angular Rose chart
|
|
|
531 |
*******************************************************/
|
|
|
532 |
if (typeof(prop['chart.variant']) == 'string' && prop['chart.variant'] == 'non-equi-angular') {
|
|
|
533 |
/*******************************************************
|
|
|
534 |
* NON-EQUI-ANGULAR GOES HERE
|
|
|
535 |
*******************************************************/
|
|
|
536 |
var total=0;
|
|
|
537 |
for (var i=0; i<data.length; ++i) {
|
|
|
538 |
total += data[i][1];
|
|
|
539 |
}
|
|
|
540 |
|
|
|
541 |
|
|
|
542 |
for (var i=0; i<this.data.length; ++i) {
|
|
|
543 |
|
|
|
544 |
var segmentRadians = ((this.data[i][1] / total) * TWOPI);
|
|
|
545 |
var radius = ((this.data[i][0] - prop['chart.ymin']) / (this.max - prop['chart.ymin'])) * this.radius;
|
|
|
546 |
radius = radius * prop['chart.animation.grow.multiplier'];
|
|
|
547 |
|
|
|
548 |
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
549 |
co.fillStyle = prop['chart.colors'][0];
|
|
|
550 |
|
|
|
551 |
if (prop['chart.colors.sequential']) {
|
|
|
552 |
co.fillStyle = prop['chart.colors'][i];
|
|
|
553 |
}
|
|
|
554 |
|
|
|
555 |
co.beginPath(); // Begin the segment
|
|
|
556 |
|
|
|
557 |
var startAngle = (this.startRadians * prop['chart.animation.roundrobin.factor']) - HALFPI + margin;
|
|
|
558 |
var endAngle = ((this.startRadians + segmentRadians) * prop['chart.animation.roundrobin.factor']) - HALFPI - margin;
|
|
|
559 |
|
|
|
560 |
var exploded = this.getexploded(i, startAngle, endAngle, prop['chart.exploded']);
|
|
|
561 |
var explodedX = exploded[0];
|
|
|
562 |
var explodedY = exploded[1];
|
|
|
563 |
|
|
|
564 |
|
|
|
565 |
co.arc(this.centerx + explodedX,
|
|
|
566 |
this.centery + explodedY,
|
|
|
567 |
prop['chart.animation.roundrobin.radius'] ? radius * prop['chart.animation.roundrobin.factor'] : radius,
|
|
|
568 |
startAngle,
|
|
|
569 |
endAngle,
|
|
|
570 |
0);
|
|
|
571 |
co.lineTo(this.centerx + explodedX, this.centery + explodedY);
|
|
|
572 |
co.closePath(); // End the segment
|
|
|
573 |
|
|
|
574 |
co.stroke();
|
|
|
575 |
co.fill();
|
|
|
576 |
|
|
|
577 |
// Store the start and end angles
|
|
|
578 |
|
|
|
579 |
this.angles.push(gg = [
|
|
|
580 |
startAngle,
|
|
|
581 |
endAngle,
|
|
|
582 |
0,
|
|
|
583 |
radius,
|
|
|
584 |
this.centerx + explodedX,
|
|
|
585 |
this.centery + explodedY
|
|
|
586 |
]);
|
|
|
587 |
|
|
|
588 |
this.startRadians += segmentRadians;
|
|
|
589 |
}
|
|
|
590 |
} else {
|
|
|
591 |
|
|
|
592 |
var sequentialColorIndex = 0;
|
|
|
593 |
|
|
|
594 |
/*******************************************************
|
|
|
595 |
* Draw regular segments here
|
|
|
596 |
*******************************************************/
|
|
|
597 |
for (var i=0; i<this.data.length; ++i) {
|
|
|
598 |
|
|
|
599 |
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
600 |
co.fillStyle = prop['chart.colors'][0];
|
|
|
601 |
|
|
|
602 |
/*******************************************************
|
|
|
603 |
* This allows sequential colors
|
|
|
604 |
*******************************************************/
|
|
|
605 |
if (prop['chart.colors.sequential']) {
|
|
|
606 |
co.fillStyle = prop['chart.colors'][i];
|
|
|
607 |
}
|
|
|
608 |
|
|
|
609 |
var segmentRadians = (1 / this.data.length) * TWOPI;
|
|
|
610 |
|
|
|
611 |
if (typeof(this.data[i]) == 'number') {
|
|
|
612 |
co.beginPath(); // Begin the segment
|
|
|
613 |
|
|
|
614 |
var radius = ((this.data[i] - prop['chart.ymin']) / (this.max - prop['chart.ymin'])) * this.radius;
|
|
|
615 |
radius = radius * prop['chart.animation.grow.multiplier'];
|
|
|
616 |
|
|
|
617 |
var startAngle = (this.startRadians * prop['chart.animation.roundrobin.factor']) - HALFPI + margin;
|
|
|
618 |
var endAngle = (this.startRadians * prop['chart.animation.roundrobin.factor']) + (segmentRadians * prop['chart.animation.roundrobin.factor']) - HALFPI - margin;
|
|
|
619 |
|
|
|
620 |
var exploded = this.getexploded(i, startAngle, endAngle, prop['chart.exploded']);
|
|
|
621 |
var explodedX = exploded[0];
|
|
|
622 |
var explodedY = exploded[1];
|
|
|
623 |
|
|
|
624 |
co.arc(this.centerx + explodedX,
|
|
|
625 |
this.centery + explodedY,
|
|
|
626 |
prop['chart.animation.roundrobin.radius'] ? radius * prop['chart.animation.roundrobin.factor'] : radius,
|
|
|
627 |
startAngle,
|
|
|
628 |
endAngle,
|
|
|
629 |
0);
|
|
|
630 |
co.lineTo(this.centerx + explodedX, this.centery + explodedY);
|
|
|
631 |
co.closePath(); // End the segment
|
|
|
632 |
co.stroke();
|
|
|
633 |
co.fill();
|
|
|
634 |
|
|
|
635 |
if (endAngle == 0) {
|
|
|
636 |
//endAngle = TWOPI;
|
|
|
637 |
}
|
|
|
638 |
|
|
|
639 |
// Store the start and end angles
|
|
|
640 |
this.angles.push([
|
|
|
641 |
startAngle,
|
|
|
642 |
endAngle,
|
|
|
643 |
0,
|
|
|
644 |
radius * prop['chart.animation.roundrobin.factor'],
|
|
|
645 |
this.centerx + explodedX,
|
|
|
646 |
this.centery + explodedY
|
|
|
647 |
]);
|
|
|
648 |
|
|
|
649 |
/*******************************************************
|
|
|
650 |
* Draw a stacked segment
|
|
|
651 |
*******************************************************/
|
|
|
652 |
} else if (typeof(this.data[i]) == 'object') {
|
|
|
653 |
|
|
|
654 |
var margin = prop['chart.margin'] / (180 / PI);
|
|
|
655 |
|
|
|
656 |
// Initialise the angles2 array so there's no undefined error
|
|
|
657 |
if (!this.angles2[i]) {
|
|
|
658 |
this.angles2[i] = [];
|
|
|
659 |
}
|
|
|
660 |
|
|
|
661 |
|
|
|
662 |
for (var j=0; j<this.data[i].length; ++j) {
|
|
|
663 |
|
|
|
664 |
var startAngle = (this.startRadians * prop['chart.animation.roundrobin.factor']) - HALFPI + margin;
|
|
|
665 |
var endAngle = (this.startRadians * prop['chart.animation.roundrobin.factor'])+ (segmentRadians * prop['chart.animation.roundrobin.factor']) - HALFPI - margin;
|
|
|
666 |
|
|
|
667 |
var exploded = this.getexploded(i, startAngle, endAngle, prop['chart.exploded']);
|
|
|
668 |
var explodedX = exploded[0];
|
|
|
669 |
var explodedY = exploded[1];
|
|
|
670 |
|
|
|
671 |
co.fillStyle = prop['chart.colors'][j];
|
|
|
672 |
|
|
|
673 |
// This facilitates sequential color support
|
|
|
674 |
if (prop['chart.colors.sequential']) {
|
|
|
675 |
co.fillStyle = prop['chart.colors'][sequentialColorIndex++];
|
|
|
676 |
}
|
|
|
677 |
|
|
|
678 |
if (j == 0) {
|
|
|
679 |
co.beginPath(); // Begin the segment
|
|
|
680 |
var startRadius = 0;
|
|
|
681 |
var endRadius = ((this.data[i][j] - prop['chart.ymin']) / (this.max - prop['chart.ymin'])) * this.radius;
|
|
|
682 |
endRadius = endRadius * prop['chart.animation.grow.multiplier'];
|
|
|
683 |
|
|
|
684 |
co.arc(this.centerx + explodedX,
|
|
|
685 |
this.centery + explodedY,
|
|
|
686 |
prop['chart.animation.roundrobin.radius'] ? endRadius * prop['chart.animation.roundrobin.factor'] : endRadius,
|
|
|
687 |
startAngle,
|
|
|
688 |
endAngle,
|
|
|
689 |
0);
|
|
|
690 |
co.lineTo(this.centerx + explodedX, this.centery + explodedY);
|
|
|
691 |
co.closePath(); // End the segment
|
|
|
692 |
co.stroke();
|
|
|
693 |
co.fill();
|
|
|
694 |
|
|
|
695 |
this.angles.push([
|
|
|
696 |
startAngle,
|
|
|
697 |
endAngle,
|
|
|
698 |
0,
|
|
|
699 |
endRadius * prop['chart.animation.roundrobin.factor'],
|
|
|
700 |
this.centerx + explodedX,
|
|
|
701 |
this.centery + explodedY
|
|
|
702 |
]);
|
|
|
703 |
|
|
|
704 |
this.angles2[i].push([
|
|
|
705 |
startAngle,
|
|
|
706 |
endAngle,
|
|
|
707 |
0,
|
|
|
708 |
endRadius * prop['chart.animation.roundrobin.factor'],
|
|
|
709 |
this.centerx + explodedX,
|
|
|
710 |
this.centery + explodedY
|
|
|
711 |
]);
|
|
|
712 |
|
|
|
713 |
} else {
|
|
|
714 |
|
|
|
715 |
co.beginPath(); // Begin the segment
|
|
|
716 |
|
|
|
717 |
var startRadius = endRadius; // This comes from the prior iteration of this loop
|
|
|
718 |
var endRadius = (((this.data[i][j] - prop['chart.ymin']) / (this.max - prop['chart.ymin'])) * this.radius) + startRadius;
|
|
|
719 |
endRadius = endRadius * prop['chart.animation.grow.multiplier'];
|
|
|
720 |
|
|
|
721 |
co.arc(this.centerx + explodedX,
|
|
|
722 |
this.centery + explodedY,
|
|
|
723 |
startRadius * prop['chart.animation.roundrobin.factor'],
|
|
|
724 |
startAngle,
|
|
|
725 |
endAngle,
|
|
|
726 |
0);
|
|
|
727 |
|
|
|
728 |
co.arc(this.centerx + explodedX,
|
|
|
729 |
this.centery + explodedY,
|
|
|
730 |
endRadius * prop['chart.animation.roundrobin.factor'],
|
|
|
731 |
endAngle,
|
|
|
732 |
startAngle,
|
|
|
733 |
true);
|
|
|
734 |
|
|
|
735 |
co.closePath(); // End the segment
|
|
|
736 |
co.stroke();
|
|
|
737 |
co.fill();
|
|
|
738 |
|
|
|
739 |
this.angles.push([
|
|
|
740 |
startAngle,
|
|
|
741 |
endAngle,
|
|
|
742 |
startRadius * prop['chart.animation.roundrobin.factor'],
|
|
|
743 |
endRadius * prop['chart.animation.roundrobin.factor'],
|
|
|
744 |
this.centerx + explodedX,
|
|
|
745 |
this.centery + explodedY
|
|
|
746 |
]);
|
|
|
747 |
|
|
|
748 |
this.angles2[i].push([
|
|
|
749 |
startAngle,
|
|
|
750 |
endAngle,
|
|
|
751 |
startRadius * prop['chart.animation.roundrobin.factor'],
|
|
|
752 |
endRadius * prop['chart.animation.roundrobin.factor'],
|
|
|
753 |
this.centerx + explodedX,
|
|
|
754 |
this.centery + explodedY
|
|
|
755 |
]);
|
|
|
756 |
}
|
|
|
757 |
}
|
|
|
758 |
}
|
|
|
759 |
|
|
|
760 |
this.startRadians += segmentRadians;
|
|
|
761 |
}
|
|
|
762 |
}
|
|
|
763 |
|
|
|
764 |
// Turn off the transparency
|
|
|
765 |
if (prop['chart.colors.alpha']) {
|
|
|
766 |
co.globalAlpha = 1;
|
|
|
767 |
}
|
|
|
768 |
|
|
|
769 |
// Draw the title if any has been set
|
|
|
770 |
if (prop['chart.title']) {
|
|
|
771 |
RG.DrawTitle(this,
|
|
|
772 |
prop['chart.title'],
|
|
|
773 |
(ca.height / 2) - this.radius,
|
|
|
774 |
this.centerx,
|
|
|
775 |
prop['chart.title.size'] ? prop['chart.title.size'] : prop['chart.text.size'] + 2);
|
|
|
776 |
}
|
|
|
777 |
}
|
|
|
778 |
|
|
|
779 |
|
|
|
780 |
|
|
|
781 |
|
|
|
782 |
/**
|
|
|
783 |
* Unsuprisingly, draws the labels
|
|
|
784 |
*/
|
|
|
785 |
this.DrawLabels = function ()
|
|
|
786 |
{
|
|
|
787 |
co.lineWidth = 1;
|
|
|
788 |
var key = prop['chart.key'];
|
|
|
789 |
|
|
|
790 |
if (key && key.length) {
|
|
|
791 |
RG.DrawKey(this, key, prop['chart.colors']);
|
|
|
792 |
}
|
|
|
793 |
|
|
|
794 |
// Set the color to black
|
|
|
795 |
co.fillStyle = prop['chart.text.color'];
|
|
|
796 |
co.strokeStyle = 'black';
|
|
|
797 |
|
|
|
798 |
var radius = this.radius;
|
|
|
799 |
var font = prop['chart.text.font'];
|
|
|
800 |
var size = prop['chart.text.size'];
|
|
|
801 |
var axes = prop['chart.labels.axes'].toLowerCase();
|
|
|
802 |
var decimals = prop['chart.scale.decimals'];
|
|
|
803 |
var units_pre = prop['chart.units.pre'];
|
|
|
804 |
var units_post = prop['chart.units.post'];
|
|
|
805 |
var centerx = this.centerx;
|
|
|
806 |
var centery = this.centery;
|
|
|
807 |
|
|
|
808 |
// Draw any circular labels
|
|
|
809 |
if (typeof(prop['chart.labels']) == 'object' && prop['chart.labels']) {
|
|
|
810 |
this.DrawCircularLabels(co, prop['chart.labels'], font, size, radius + 10);
|
|
|
811 |
}
|
|
|
812 |
|
|
|
813 |
|
|
|
814 |
// Size can be specified seperately for the scale now
|
|
|
815 |
if (typeof(prop['chart.text.size.scale']) == 'number') {
|
|
|
816 |
size = prop['chart.text.size.scale'];
|
|
|
817 |
}
|
|
|
818 |
|
|
|
819 |
|
|
|
820 |
var color = 'rgba(255,255,255,0.8)';
|
|
|
821 |
|
|
|
822 |
// The "North" axis labels
|
|
|
823 |
if (axes.indexOf('n') > -1) {
|
|
|
824 |
for (var i=0; i<prop['chart.labels.count']; ++i) {
|
|
|
825 |
RG.Text2(this, {'font':font,
|
|
|
826 |
'size':size,
|
|
|
827 |
'x':centerx,
|
|
|
828 |
'y':centery - (radius * ((i+1) / prop['chart.labels.count'])),
|
|
|
829 |
'text':this.scale2.labels[i],
|
|
|
830 |
'valign':'center',
|
|
|
831 |
'halign':'center',
|
|
|
832 |
'bounding':true,
|
|
|
833 |
'boundingFill':color,
|
|
|
834 |
'tag': 'scale'
|
|
|
835 |
});
|
|
|
836 |
}
|
|
|
837 |
}
|
|
|
838 |
|
|
|
839 |
// The "South" axis labels
|
|
|
840 |
if (axes.indexOf('s') > -1) {
|
|
|
841 |
for (var i=0; i<prop['chart.labels.count']; ++i) {
|
|
|
842 |
RG.Text2(this, {'font':font,
|
|
|
843 |
'size':size,
|
|
|
844 |
'x':centerx,
|
|
|
845 |
'y':centery + (radius * ((i+1) / prop['chart.labels.count'])),
|
|
|
846 |
'text':this.scale2.labels[i],
|
|
|
847 |
'valign':'center',
|
|
|
848 |
'halign':'center',
|
|
|
849 |
'bounding':true,
|
|
|
850 |
'boundingFill':color,
|
|
|
851 |
'tag': 'scale'
|
|
|
852 |
});
|
|
|
853 |
}
|
|
|
854 |
}
|
|
|
855 |
|
|
|
856 |
// The "East" axis labels
|
|
|
857 |
if (axes.indexOf('e') > -1) {
|
|
|
858 |
for (var i=0; i<prop['chart.labels.count']; ++i) {
|
|
|
859 |
RG.Text2(this, {'font':font,
|
|
|
860 |
'size':size,
|
|
|
861 |
'x':centerx + (radius * ((i+1) / prop['chart.labels.count'])),
|
|
|
862 |
'y':centery,
|
|
|
863 |
'text':this.scale2.labels[i],
|
|
|
864 |
'valign':'center',
|
|
|
865 |
'halign':'center',
|
|
|
866 |
'bounding':true,
|
|
|
867 |
'boundingFill':color,
|
|
|
868 |
'tag': 'scale'
|
|
|
869 |
});
|
|
|
870 |
}
|
|
|
871 |
}
|
|
|
872 |
|
|
|
873 |
// The "West" axis labels
|
|
|
874 |
if (axes.indexOf('w') > -1) {
|
|
|
875 |
for (var i=0; i<prop['chart.labels.count']; ++i) {
|
|
|
876 |
RG.Text2(this, {'font':font,
|
|
|
877 |
'size':size,
|
|
|
878 |
'x':centerx - (radius * ((i+1) / prop['chart.labels.count'])),
|
|
|
879 |
'y':centery,
|
|
|
880 |
'text':this.scale2.labels[i],
|
|
|
881 |
'valign':'center',
|
|
|
882 |
'halign':'center',
|
|
|
883 |
'bounding':true,
|
|
|
884 |
'boundingFill':color,
|
|
|
885 |
'tag': 'scale'
|
|
|
886 |
});
|
|
|
887 |
}
|
|
|
888 |
}
|
|
|
889 |
|
|
|
890 |
if (axes.length > 0) {
|
|
|
891 |
RG.Text2(this, {'font':font,
|
|
|
892 |
'size':size,
|
|
|
893 |
'x':centerx,
|
|
|
894 |
'y':centery,
|
|
|
895 |
'text':typeof(prop['chart.ymin']) == 'number' ? RG.number_format(this, Number(prop['chart.ymin']).toFixed(prop['chart.scale.decimals']), units_pre, units_post) : '0',
|
|
|
896 |
'valign':'center',
|
|
|
897 |
'halign':'center',
|
|
|
898 |
'bounding':true,
|
|
|
899 |
'boundingFill':color,
|
|
|
900 |
'tag': 'scale'
|
|
|
901 |
});
|
|
|
902 |
}
|
|
|
903 |
}
|
|
|
904 |
|
|
|
905 |
|
|
|
906 |
|
|
|
907 |
|
|
|
908 |
/**
|
|
|
909 |
* Draws the circular labels that go around the charts
|
|
|
910 |
*
|
|
|
911 |
* @param labels array The labels that go around the chart
|
|
|
912 |
*/
|
|
|
913 |
this.DrawCircularLabels = function (co, labels, font, size, radius)
|
|
|
914 |
{
|
|
|
915 |
var variant = prop['chart.variant'];
|
|
|
916 |
var position = prop['chart.labels.position'];
|
|
|
917 |
var radius = radius + 5 + prop['chart.labels.offset'];
|
|
|
918 |
var centerx = this.centerx;
|
|
|
919 |
var centery = this.centery;
|
|
|
920 |
|
|
|
921 |
for (var i=0; i<labels.length; ++i) {
|
|
|
922 |
if (typeof(variant) == 'string' && variant == 'non-equi-angular') {
|
|
|
923 |
var a = Number(this.angles[i][0]) + ((this.angles[i][1] - this.angles[i][0]) / 2);
|
|
|
924 |
} else {
|
|
|
925 |
var a = (TWOPI / labels.length) * (i + 1) - (TWOPI / (labels.length * 2));
|
|
|
926 |
var a = a - HALFPI + (prop['chart.labels.position'] == 'edge' ? ((TWOPI / labels.length) / 2) : 0);
|
|
|
927 |
}
|
|
|
928 |
|
|
|
929 |
var x = centerx + (Math.cos(a) * radius);
|
|
|
930 |
var y = centery + (Math.sin(a) * radius);
|
|
|
931 |
|
|
|
932 |
// Horizontal alignment
|
|
|
933 |
if (x > centerx) {
|
|
|
934 |
halign = 'left';
|
|
|
935 |
} else if (Math.round(x) == centerx) {
|
|
|
936 |
halign = 'center';
|
|
|
937 |
} else {
|
|
|
938 |
halign = 'right';
|
|
|
939 |
}
|
|
|
940 |
|
|
|
941 |
RG.Text2(this, {'font':font,
|
|
|
942 |
'size':size,
|
|
|
943 |
'x':x,
|
|
|
944 |
'y':y,
|
|
|
945 |
'text':String(labels[i]),
|
|
|
946 |
'halign':halign,
|
|
|
947 |
'valign':'center',
|
|
|
948 |
'tag': 'labels'
|
|
|
949 |
});
|
|
|
950 |
}
|
|
|
951 |
}
|
|
|
952 |
|
|
|
953 |
|
|
|
954 |
|
|
|
955 |
|
|
|
956 |
|
|
|
957 |
|
|
|
958 |
|
|
|
959 |
|
|
|
960 |
|
|
|
961 |
|
|
|
962 |
|
|
|
963 |
|
|
|
964 |
|
|
|
965 |
|
|
|
966 |
|
|
|
967 |
|
|
|
968 |
|
|
|
969 |
|
|
|
970 |
|
|
|
971 |
|
|
|
972 |
|
|
|
973 |
|
|
|
974 |
|
|
|
975 |
|
|
|
976 |
|
|
|
977 |
|
|
|
978 |
/**
|
|
|
979 |
* This function is for use with circular graph types, eg the Pie or Rose. Pass it your event object
|
|
|
980 |
* and it will pass you back the corresponding segment details as an array:
|
|
|
981 |
*
|
|
|
982 |
* [x, y, r, startAngle, endAngle]
|
|
|
983 |
*
|
|
|
984 |
* Angles are measured in degrees, and are measured from the "east" axis (just like the canvas).
|
|
|
985 |
*
|
|
|
986 |
* @param object e Your event object
|
|
|
987 |
*/
|
|
|
988 |
this.getShape =
|
|
|
989 |
this.getSegment = function (e)
|
|
|
990 |
{
|
|
|
991 |
RG.FixEventObject(e);
|
|
|
992 |
|
|
|
993 |
var angles = this.angles;
|
|
|
994 |
var ret = [];
|
|
|
995 |
|
|
|
996 |
/**
|
|
|
997 |
* Go through all of the angles checking each one
|
|
|
998 |
*/
|
|
|
999 |
for (var i=0; i<angles.length ; ++i) {
|
|
|
1000 |
|
|
|
1001 |
var angleStart = angles[i][0];
|
|
|
1002 |
var angleEnd = angles[i][1];
|
|
|
1003 |
var radiusStart = angles[i][2];
|
|
|
1004 |
var radiusEnd = angles[i][3];
|
|
|
1005 |
var centerX = angles[i][4];
|
|
|
1006 |
var centerY = angles[i][5];
|
|
|
1007 |
var mouseXY = RG.getMouseXY(e);
|
|
|
1008 |
var mouseX = mouseXY[0] - centerX;
|
|
|
1009 |
var mouseY = mouseXY[1] - centerY;
|
|
|
1010 |
|
|
|
1011 |
// New click testing (the 0.01 is there because Opera doesn't like 0 as the radius)
|
|
|
1012 |
co.beginPath();
|
|
|
1013 |
co.arc(centerX, centerY, radiusStart ? radiusStart : 0.01, angleStart, angleEnd, false);
|
|
|
1014 |
co.arc(centerX, centerY, radiusEnd, angleEnd, angleStart, true);
|
|
|
1015 |
co.closePath();
|
|
|
1016 |
|
|
|
1017 |
// No stroke() or fill()
|
|
|
1018 |
|
|
|
1019 |
|
|
|
1020 |
if (co.isPointInPath(mouseXY[0], mouseXY[1])) {
|
|
|
1021 |
|
|
|
1022 |
angles[i][6] = i;
|
|
|
1023 |
|
|
|
1024 |
if (RG.parseTooltipText) {
|
|
|
1025 |
var tooltip = RG.parseTooltipText(prop['chart.tooltips'], angles[i][6]);
|
|
|
1026 |
}
|
|
|
1027 |
|
|
|
1028 |
// Add the textual keys
|
|
|
1029 |
angles[i]['object'] = this;
|
|
|
1030 |
angles[i]['x'] = angles[i][4];
|
|
|
1031 |
angles[i]['y'] = angles[i][5];
|
|
|
1032 |
angles[i]['angle.start'] = angles[i][0];
|
|
|
1033 |
angles[i]['angle.end'] = angles[i][1];
|
|
|
1034 |
angles[i]['radius.start'] = angles[i][2];
|
|
|
1035 |
angles[i]['radius.end'] = angles[i][3];
|
|
|
1036 |
angles[i]['index'] = angles[i][6];
|
|
|
1037 |
angles[i]['tooltip'] = tooltip ? tooltip : null;
|
|
|
1038 |
|
|
|
1039 |
return angles[i];
|
|
|
1040 |
}
|
|
|
1041 |
}
|
|
|
1042 |
|
|
|
1043 |
return null;
|
|
|
1044 |
}
|
|
|
1045 |
|
|
|
1046 |
|
|
|
1047 |
|
|
|
1048 |
|
|
|
1049 |
|
|
|
1050 |
|
|
|
1051 |
|
|
|
1052 |
|
|
|
1053 |
|
|
|
1054 |
|
|
|
1055 |
|
|
|
1056 |
|
|
|
1057 |
|
|
|
1058 |
|
|
|
1059 |
|
|
|
1060 |
|
|
|
1061 |
|
|
|
1062 |
|
|
|
1063 |
|
|
|
1064 |
|
|
|
1065 |
|
|
|
1066 |
|
|
|
1067 |
|
|
|
1068 |
|
|
|
1069 |
/**
|
|
|
1070 |
* Returns any exploded for a particular segment
|
|
|
1071 |
*/
|
|
|
1072 |
this.getexploded = function (index, startAngle, endAngle, exploded)
|
|
|
1073 |
{
|
|
|
1074 |
var explodedx, explodedy;
|
|
|
1075 |
|
|
|
1076 |
/**
|
|
|
1077 |
* Retrieve any exploded - the exploded can be an array of numbers or a single number
|
|
|
1078 |
* (which is applied to all segments)
|
|
|
1079 |
*/
|
|
|
1080 |
if (typeof(exploded) == 'object' && typeof(exploded[index]) == 'number') {
|
|
|
1081 |
explodedx = Math.cos(((endAngle - startAngle) / 2) + startAngle) * exploded[index];
|
|
|
1082 |
explodedy = Math.sin(((endAngle - startAngle) / 2) + startAngle) * exploded[index];
|
|
|
1083 |
|
|
|
1084 |
} else if (typeof(exploded) == 'number') {
|
|
|
1085 |
explodedx = Math.cos(((endAngle - startAngle) / 2) + startAngle) * exploded;
|
|
|
1086 |
explodedy = Math.sin(((endAngle - startAngle) / 2) + startAngle) * exploded;
|
|
|
1087 |
|
|
|
1088 |
} else {
|
|
|
1089 |
explodedx = 0;
|
|
|
1090 |
explodedy = 0;
|
|
|
1091 |
}
|
|
|
1092 |
|
|
|
1093 |
return [explodedx, explodedy];
|
|
|
1094 |
}
|
|
|
1095 |
|
|
|
1096 |
|
|
|
1097 |
|
|
|
1098 |
|
|
|
1099 |
/**
|
|
|
1100 |
* This function facilitates the installation of tooltip event listeners if
|
|
|
1101 |
* tooltips are defined.
|
|
|
1102 |
*/
|
|
|
1103 |
this.AllowTooltips = function ()
|
|
|
1104 |
{
|
|
|
1105 |
// Preload any tooltip images that are used in the tooltips
|
|
|
1106 |
RG.PreLoadTooltipImages(this);
|
|
|
1107 |
|
|
|
1108 |
|
|
|
1109 |
/**
|
|
|
1110 |
* This installs the window mousedown event listener that lears any
|
|
|
1111 |
* highlight that may be visible.
|
|
|
1112 |
*/
|
|
|
1113 |
RG.InstallWindowMousedownTooltipListener(this);
|
|
|
1114 |
|
|
|
1115 |
|
|
|
1116 |
/**
|
|
|
1117 |
* This installs the canvas mousemove event listener. This function
|
|
|
1118 |
* controls the pointer shape.
|
|
|
1119 |
*/
|
|
|
1120 |
RG.InstallCanvasMousemoveTooltipListener(this);
|
|
|
1121 |
|
|
|
1122 |
|
|
|
1123 |
/**
|
|
|
1124 |
* This installs the canvas mouseup event listener. This is the
|
|
|
1125 |
* function that actually shows the appropriate tooltip (if any).
|
|
|
1126 |
*/
|
|
|
1127 |
RG.InstallCanvasMouseupTooltipListener(this);
|
|
|
1128 |
}
|
|
|
1129 |
|
|
|
1130 |
|
|
|
1131 |
|
|
|
1132 |
|
|
|
1133 |
/**
|
|
|
1134 |
* Each object type has its own Highlight() function which highlights the appropriate shape
|
|
|
1135 |
*
|
|
|
1136 |
* @param object shape The shape to highlight
|
|
|
1137 |
*/
|
|
|
1138 |
this.Highlight = function (shape)
|
|
|
1139 |
{
|
|
|
1140 |
if (prop['chart.tooltips.highlight']) {
|
|
|
1141 |
// Add the new segment highlight
|
|
|
1142 |
co.beginPath();
|
|
|
1143 |
|
|
|
1144 |
co.strokeStyle = prop['chart.highlight.stroke'];
|
|
|
1145 |
co.fillStyle = prop['chart.highlight.fill'];
|
|
|
1146 |
|
|
|
1147 |
co.arc(shape['x'], shape['y'], shape['radius.end'], shape['angle.start'], shape['angle.end'], false);
|
|
|
1148 |
|
|
|
1149 |
if (shape['radius.start'] > 0) {
|
|
|
1150 |
co.arc(shape['x'], shape['y'], shape['radius.start'], shape['angle.end'], shape['angle.start'], true);
|
|
|
1151 |
} else {
|
|
|
1152 |
co.lineTo(shape['x'], shape['y']);
|
|
|
1153 |
}
|
|
|
1154 |
co.closePath();
|
|
|
1155 |
|
|
|
1156 |
co.stroke();
|
|
|
1157 |
co.fill();
|
|
|
1158 |
}
|
|
|
1159 |
}
|
|
|
1160 |
|
|
|
1161 |
|
|
|
1162 |
|
|
|
1163 |
|
|
|
1164 |
/**
|
|
|
1165 |
* The getObjectByXY() worker method. Don't call this call:
|
|
|
1166 |
*
|
|
|
1167 |
* RGraph.ObjectRegistry.getObjectByXY(e)
|
|
|
1168 |
*
|
|
|
1169 |
* @param object e The event object
|
|
|
1170 |
*/
|
|
|
1171 |
this.getObjectByXY = function (e)
|
|
|
1172 |
{
|
|
|
1173 |
var mouseXY = RGraph.getMouseXY(e);
|
|
|
1174 |
|
|
|
1175 |
// Work out the radius
|
|
|
1176 |
var radius = RG.getHypLength(this.centerx, this.centery, mouseXY[0], mouseXY[1]);
|
|
|
1177 |
|
|
|
1178 |
if (
|
|
|
1179 |
mouseXY[0] > (this.centerx - this.radius)
|
|
|
1180 |
&& mouseXY[0] < (this.centerx + this.radius)
|
|
|
1181 |
&& mouseXY[1] > (this.centery - this.radius)
|
|
|
1182 |
&& mouseXY[1] < (this.centery + this.radius)
|
|
|
1183 |
&& radius <= this.radius
|
|
|
1184 |
) {
|
|
|
1185 |
|
|
|
1186 |
return this;
|
|
|
1187 |
}
|
|
|
1188 |
}
|
|
|
1189 |
|
|
|
1190 |
|
|
|
1191 |
|
|
|
1192 |
|
|
|
1193 |
/**
|
|
|
1194 |
* This function positions a tooltip when it is displayed
|
|
|
1195 |
*
|
|
|
1196 |
* @param obj object The chart object
|
|
|
1197 |
* @param int x The X coordinate specified for the tooltip
|
|
|
1198 |
* @param int y The Y coordinate specified for the tooltip
|
|
|
1199 |
* @param objec tooltip The tooltips DIV element
|
|
|
1200 |
*/
|
|
|
1201 |
this.positionTooltip = function (obj, x, y, tooltip, idx)
|
|
|
1202 |
{
|
|
|
1203 |
var coordX = obj.angles[idx][4];
|
|
|
1204 |
var coordY = obj.angles[idx][5];
|
|
|
1205 |
var angleStart = obj.angles[idx][0];
|
|
|
1206 |
var angleEnd = obj.angles[idx][1];
|
|
|
1207 |
var radius = ((obj.angles[idx][3] - obj.angles[idx][2]) / 2) + obj.angles[idx][2];
|
|
|
1208 |
|
|
|
1209 |
var angleCenter = ((angleEnd - angleStart) / 2) + angleStart;
|
|
|
1210 |
var canvasXY = RG.getCanvasXY(obj.canvas);
|
|
|
1211 |
var gutterLeft = this.gutterLeft;
|
|
|
1212 |
var gutterTop = this.gutterTop;
|
|
|
1213 |
var width = tooltip.offsetWidth;
|
|
|
1214 |
var height = tooltip.offsetHeight;
|
|
|
1215 |
|
|
|
1216 |
|
|
|
1217 |
// By default any overflow is hidden
|
|
|
1218 |
tooltip.style.overflow = '';
|
|
|
1219 |
|
|
|
1220 |
// The arrow
|
|
|
1221 |
var img = new Image();
|
|
|
1222 |
img.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAFCAYAAACjKgd3AAAARUlEQVQYV2NkQAN79+797+RkhC4M5+/bd47B2dmZEVkBCgcmgcsgbAaA9GA1BCSBbhAuA/AagmwQPgMIGgIzCD0M0AMMAEFVIAa6UQgcAAAAAElFTkSuQmCC';
|
|
|
1223 |
img.style.position = 'absolute';
|
|
|
1224 |
img.id = '__rgraph_tooltip_pointer__';
|
|
|
1225 |
img.style.top = (tooltip.offsetHeight - 2) + 'px';
|
|
|
1226 |
tooltip.appendChild(img);
|
|
|
1227 |
|
|
|
1228 |
// Reposition the tooltip if at the edges:
|
|
|
1229 |
|
|
|
1230 |
// LEFT edge
|
|
|
1231 |
if ((canvasXY[0] + coordX + (Math.cos(angleCenter) * radius) - (width / 2)) < 10) {
|
|
|
1232 |
tooltip.style.left = (canvasXY[0] + coordX + (Math.cos(angleCenter) * radius)- (width * 0.1)) + 'px';
|
|
|
1233 |
tooltip.style.top = (canvasXY[1] + coordY + (Math.sin(angleCenter) * radius)- height - 5) + 'px';
|
|
|
1234 |
img.style.left = ((width * 0.1) - 8.5) + 'px';
|
|
|
1235 |
|
|
|
1236 |
// RIGHT edge
|
|
|
1237 |
} else if ((canvasXY[0] + coordX + (Math.cos(angleCenter) * radius) + (width / 2)) > (document.body.offsetWidth - 10) ) {
|
|
|
1238 |
tooltip.style.left = (canvasXY[0] + coordX + (Math.cos(angleCenter) * radius) - (width * 0.9)) + 'px';
|
|
|
1239 |
tooltip.style.top = (canvasXY[1] + coordY + (Math.sin(angleCenter) * radius)- height - 5) + 'px';
|
|
|
1240 |
img.style.left = ((width * 0.9) - 8.5) + 'px';
|
|
|
1241 |
|
|
|
1242 |
// Default positioning - CENTERED
|
|
|
1243 |
} else {
|
|
|
1244 |
tooltip.style.left = (canvasXY[0] + coordX + (Math.cos(angleCenter) * radius)- (width / 2)) + 'px';
|
|
|
1245 |
tooltip.style.top = (canvasXY[1] + coordY + (Math.sin(angleCenter) * radius)- height - 5) + 'px';
|
|
|
1246 |
img.style.left = ((width * 0.5) - 8.5) + 'px';
|
|
|
1247 |
}
|
|
|
1248 |
}
|
|
|
1249 |
|
|
|
1250 |
|
|
|
1251 |
|
|
|
1252 |
|
|
|
1253 |
/**
|
|
|
1254 |
* This method gives you the relevant radius for a particular value
|
|
|
1255 |
*
|
|
|
1256 |
* @param number value The relevant value to get the radius for
|
|
|
1257 |
*/
|
|
|
1258 |
this.getRadius = function (value)
|
|
|
1259 |
{
|
|
|
1260 |
// Range checking (the Rose minimum is always 0)
|
|
|
1261 |
if (value < 0 || value > this.max) {
|
|
|
1262 |
return null;
|
|
|
1263 |
}
|
|
|
1264 |
|
|
|
1265 |
var r = (value / this.max) * this.radius;
|
|
|
1266 |
|
|
|
1267 |
return r;
|
|
|
1268 |
}
|
|
|
1269 |
|
|
|
1270 |
|
|
|
1271 |
|
|
|
1272 |
|
|
|
1273 |
/**
|
|
|
1274 |
* This allows for easy specification of gradients
|
|
|
1275 |
*/
|
|
|
1276 |
this.parseColors = function ()
|
|
|
1277 |
{
|
|
|
1278 |
for (var i=0; i<prop['chart.colors'].length; ++i) {
|
|
|
1279 |
prop['chart.colors'][i] = this.parseSingleColorForGradient(prop['chart.colors'][i]);
|
|
|
1280 |
}
|
|
|
1281 |
|
|
|
1282 |
/**
|
|
|
1283 |
* Key colors
|
|
|
1284 |
*/
|
|
|
1285 |
if (!RG.is_null(prop['chart.key.colors'])) {
|
|
|
1286 |
for (var i=0; i<prop['chart.key.colors'].length; ++i) {
|
|
|
1287 |
prop['chart.key.colors'][i] = this.parseSingleColorForGradient(prop['chart.key.colors'][i]);
|
|
|
1288 |
}
|
|
|
1289 |
}
|
|
|
1290 |
|
|
|
1291 |
prop['chart.text.color'] = this.parseSingleColorForGradient(prop['chart.text.color']);
|
|
|
1292 |
prop['chart.title.color'] = this.parseSingleColorForGradient(prop['chart.title.color']);
|
|
|
1293 |
prop['chart.highlight.fill'] = this.parseSingleColorForGradient(prop['chart.highlight.fill']);
|
|
|
1294 |
prop['chart.highlight.stroke'] = this.parseSingleColorForGradient(prop['chart.highlight.stroke']);
|
|
|
1295 |
}
|
|
|
1296 |
|
|
|
1297 |
|
|
|
1298 |
|
|
|
1299 |
|
|
|
1300 |
/**
|
|
|
1301 |
* This parses a single color value
|
|
|
1302 |
*/
|
|
|
1303 |
this.parseSingleColorForGradient = function (color)
|
|
|
1304 |
{
|
|
|
1305 |
if (!color || typeof(color) != 'string') {
|
|
|
1306 |
return color;
|
|
|
1307 |
}
|
|
|
1308 |
|
|
|
1309 |
if (color.match(/^gradient\((.*)\)$/i)) {
|
|
|
1310 |
|
|
|
1311 |
var parts = RegExp.$1.split(':');
|
|
|
1312 |
|
|
|
1313 |
// Create the gradient
|
|
|
1314 |
//var grad = context.createLinearGradient(0,0,canvas.width,0);
|
|
|
1315 |
var grad = co.createRadialGradient(this.centerx, this.centery, 0, this.centerx, this.centery, this.radius);
|
|
|
1316 |
|
|
|
1317 |
var diff = 1 / (parts.length - 1);
|
|
|
1318 |
|
|
|
1319 |
grad.addColorStop(0, RG.trim(parts[0]));
|
|
|
1320 |
|
|
|
1321 |
for (var j=1; j<parts.length; ++j) {
|
|
|
1322 |
grad.addColorStop(j * diff, RG.trim(parts[j]));
|
|
|
1323 |
}
|
|
|
1324 |
}
|
|
|
1325 |
|
|
|
1326 |
return grad ? grad : color;
|
|
|
1327 |
}
|
|
|
1328 |
|
|
|
1329 |
|
|
|
1330 |
|
|
|
1331 |
|
|
|
1332 |
/**
|
|
|
1333 |
* This function handles highlighting an entire data-series for the interactive
|
|
|
1334 |
* key
|
|
|
1335 |
*
|
|
|
1336 |
* @param int index The index of the data series to be highlighted
|
|
|
1337 |
*/
|
|
|
1338 |
this.interactiveKeyHighlight = function (index)
|
|
|
1339 |
{
|
|
|
1340 |
this.angles2.forEach(function (val, idx, arr)
|
|
|
1341 |
{
|
|
|
1342 |
var segment = val[index];
|
|
|
1343 |
|
|
|
1344 |
if (segment) {
|
|
|
1345 |
co.beginPath();
|
|
|
1346 |
co.lineWidth = 2;
|
|
|
1347 |
co.fillStyle = prop['chart.key.interactive.highlight.chart.fill'];
|
|
|
1348 |
co.strokeStyle = prop['chart.key.interactive.highlight.chart.stroke'];
|
|
|
1349 |
co.arc(segment[4], segment[5], segment[2], segment[0], segment[1], false);
|
|
|
1350 |
co.arc(segment[4], segment[5], segment[3], segment[1], segment[0], true);
|
|
|
1351 |
co.closePath();
|
|
|
1352 |
co.fill();
|
|
|
1353 |
co.stroke();
|
|
|
1354 |
}
|
|
|
1355 |
});
|
|
|
1356 |
|
|
|
1357 |
}
|
|
|
1358 |
|
|
|
1359 |
|
|
|
1360 |
|
|
|
1361 |
|
|
|
1362 |
/**
|
|
|
1363 |
* Register this object
|
|
|
1364 |
*/
|
|
|
1365 |
RG.Register(this);
|
|
|
1366 |
}
|