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2003 lines
66 KiB
JavaScript
2003 lines
66 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 bi-polar/age frequency constructor.
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*
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* @param string id The id of the canvas
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* @param array left The left set of data points
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* @param array right The right set of data points
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*
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* REMEMBER If ymin is implemented you need to update the .getValue() method
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*/
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RGraph.Bipolar = 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.left === 'object'
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&& typeof conf.right === 'object'
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&& typeof conf.id === 'string') {
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var id = conf.id,
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canvas = document.getElementById(id),
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left = conf.left,
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right = conf.right,
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parseConfObjectForOptions = true // Set this so the config is parsed (at the end of the constructor)
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} else {
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var id = conf,
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canvas = document.getElementById(id),
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left = arguments[1],
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right = arguments[2]
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}
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// Get the canvas and context objects
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this.id = id;
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this.canvas = canvas;
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this.context = this.canvas.getContext('2d');
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this.canvas.__object__ = this;
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this.type = 'bipolar';
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this.coords = [];
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this.coordsLeft = [];
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this.coordsRight = [];
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this.max = 0;
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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.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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// The left and right data respectively
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this.left = left;
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this.right = right;
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this.data = [left, right];
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this.properties =
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{
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'chart.background.grid': true,
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'chart.background.grid.color': '#ddd',
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'chart.background.grid.vlines': true,
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'chart.background.grid.hlines': true,
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'chart.background.grid.linewidth': 1,
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'chart.background.grid.autofit.numvlines': null,
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'chart.background.grid.autofit.numhlines': null,
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'chart.margin': 2,
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'chart.xtickinterval': null,
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'chart.labels': [],
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'chart.labels.color': null,
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'chart.labels.above': false,
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'chart.text.size': 12,
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'chart.text.color': 'black', // (Simple) gradients are not supported
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'chart.text.font': 'Arial',
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'chart.title.left': '',
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'chart.title.right': '',
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'chart.gutter.center': 60,
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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': 30,
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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.colors': ['#0f0'],
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'chart.colors.sequential': false,
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'chart.contextmenu': null,
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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.units.pre': '',
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'chart.units.post': '',
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'chart.shadow': false,
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'chart.shadow.color': '#666',
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'chart.shadow.offsetx': 3,
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'chart.shadow.offsety': 3,
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'chart.shadow.blur': 3,
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'chart.annotatable': false,
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'chart.annotate.color': 'black',
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'chart.xmax': null,
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'chart.xmin': 0,
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'chart.scale.zerostart': false,
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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.axis.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.background': null,
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'chart.strokestyle': 'rgba(0,0,0,0)',
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'chart.events.mousemove': null,
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'chart.events.click': null,
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'chart.linewidth': 1,
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'chart.noaxes': false,
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'chart.xlabels': true,
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'chart.numyticks': null,
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'chart.numxticks': 5,
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'chart.axis.linewidth': 1,
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'chart.labels.count': 5,
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'chart.variant.threed.offsetx': 10,
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'chart.variant.threed.offsety': 5,
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'chart.variant.threed.angle': 0.1
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}
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// Pad the arrays so they're the same size
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while (this.left.length < this.right.length) this.left.push(null);
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while (this.left.length > this.right.length) this.right.push(null);
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/**
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* Set the default for the number of Y tickmarks
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*/
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this.properties['chart.numyticks'] = this.left.length;
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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.left, this.right);
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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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* The setter
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*
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* @param name string The name of the parameter to set
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* @param value mixed The value of the paraneter
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*/
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this.set =
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this.Set = function (name)
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{
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var value = typeof arguments[1] === 'undefined' ? null : arguments[1];
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/**
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* the number of arguments is only one and it's an
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* object - parse it for configuration data and return.
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*/
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if (arguments.length === 1 && typeof name === 'object') {
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RG.parseObjectStyleConfig(this, name);
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return this;
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}
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/**
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* This should be done first - prepend the propertyy name with "chart." if necessary
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*/
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if (name.substr(0,6) != 'chart.') {
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name = 'chart.' + name;
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}
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// Convert uppercase letters to dot+lower case letter
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name = name.replace(/([A-Z])/g, function (str)
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{
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return '.' + String(RegExp.$1).toLowerCase();
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});
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prop[name] = value;
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return this;
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};
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/**
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* The getter
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*
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* @param name string The name of the parameter 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 this.properties[name.toLowerCase()];
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};
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/**
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* Draws the graph
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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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* 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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this.gutterCenter = prop['chart.gutter.center'];
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// Reset the data to what was initially supplied
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this.left = this.data[0];
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this.right = this.data[1];
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/**
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* Reset the coords array
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*/
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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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if (prop['chart.variant'] === '3d') {
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co.setTransform(1,prop['chart.variant.threed.angle'],0,1,0.5,0.5);
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}
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// Some necessary variables
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this.axisWidth = (ca.width - prop['chart.gutter.center'] - this.gutterLeft - this.gutterRight) / 2;
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this.axisHeight = ca.height - this.gutterTop - this.gutterBottom;
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// Reset the sequential index
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this.sequentialFullIndex = 0;
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this.getMax();
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this.drawBackgroundGrid();
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this.draw3DAxes();
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this.drawAxes();
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this.drawTicks();
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co.save();
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co.beginPath();
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co.rect(this.gutterLeft, this.gutterTop - (prop['chart.variant.threed.offsety'] || 0), ca.width - this.gutterLeft - this.gutterRight, ca.height - this.gutterTop - this.gutterBottom + (2 * (prop['chart.variant.threed.offsety'] || 0)) );
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co.clip();
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this.drawLeftBars();
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this.drawRightBars();
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// Redraw the bars so that shadows on not on top
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this.drawLeftBars({shadow: false});
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this.drawRightBars({shadow: false});
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co.restore();
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this.drawAxes();
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this.drawLabels();
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this.drawTitles();
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/**
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* Setup the context menu if required
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*/
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if (prop['chart.contextmenu']) {
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RG.ShowContext(this);
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}
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/**
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* This function enables resizing
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*/
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if (prop['chart.resizable']) {
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RG.AllowResizing(this);
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}
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/**
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* This installs the event listeners
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*/
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RG.InstallEventListeners(this);
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/**
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* Fire the onfirstdraw event
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*/
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if (this.firstDraw) {
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RG.fireCustomEvent(this, 'onfirstdraw');
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this.firstDraw = false;
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this.firstDrawFunc();
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}
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/**
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* Fire the RGraph ondraw event
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*/
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RG.FireCustomEvent(this, 'ondraw');
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return this;
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};
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/**
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* Used in chaining. Runs a function there and then - not waiting for
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* the events to fire (eg the onbeforedraw event)
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*
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* @param function func The function to execute
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*/
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this.exec = function (func)
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{
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func(this);
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return this;
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};
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/**
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* Draws the axes
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*/
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this.draw3DAxes = function ()
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{
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if (prop['chart.variant'] === '3d') {
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var offsetx = prop['chart.variant.threed.offsetx'],
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offsety = prop['chart.variant.threed.offsety'];
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// Set the linewidth
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co.lineWidth = prop['chart.axis.linewidth'] + 0.001;
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// Draw the left set of axes
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co.beginPath();
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co.strokeStyle = prop['chart.axis.color'];
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// Draw the horizontal 3d axis
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// The left horizontal axis
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pa(co, [
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'b',
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'm', this.gutterLeft, ma.round( ca.height - this.gutterBottom),
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'l', this.gutterLeft + offsetx, ma.round( ca.height - this.gutterBottom - offsety),
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'l', this.gutterLeft + offsetx + this.axisWidth, ma.round( ca.height - this.gutterBottom - offsety),
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'l', this.gutterLeft + this.axisWidth, ma.round( ca.height - this.gutterBottom),
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's', '#aaa',
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'f','#ddd'
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]);
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// The left vertical axis
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this.draw3DLeftVerticalAxis();
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// Draw the right horizontal axes
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pa(co, [
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'b',
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'm', this.gutterLeft + this.gutterCenter + this.axisWidth, ma.round( ca.height - this.gutterBottom),
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'l',this.gutterLeft + this.gutterCenter + this.axisWidth + offsetx, ma.round( ca.height - this.gutterBottom - offsety),
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'l',this.gutterLeft + this.gutterCenter + this.axisWidth + this.axisWidth + offsetx, ma.round( ca.height - this.gutterBottom - offsety),
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'l',this.gutterLeft + this.gutterCenter + this.axisWidth + this.axisWidth, ma.round( ca.height - this.gutterBottom),
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's', '#aaa',
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'f','#ddd'
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]);
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// Draw the right vertical axes
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pa(co, [
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'b',
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'm', this.gutterLeft + this.gutterCenter + this.axisWidth, ca.height - this.gutterBottom,
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'l', this.gutterLeft + this.gutterCenter + this.axisWidth, ca.height - this.gutterBottom - this.axisHeight,
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'l',this.gutterLeft + this.gutterCenter + this.axisWidth + offsetx, ca.height - this.gutterBottom - this.axisHeight - offsety,
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'l',this.gutterLeft + this.gutterCenter + this.axisWidth + offsetx, ca.height - this.gutterBottom - offsety,
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's', '#aaa',
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'f','#ddd'
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]);
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}
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}
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this.draw3DLeftVerticalAxis = function ()
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{
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if (prop['chart.variant'] === '3d') {
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var offsetx = prop['chart.variant.threed.offsetx'],
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offsety = prop['chart.variant.threed.offsety'];
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// The left vertical axis
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pa(co, [
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'b',
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'm', this.gutterLeft + this.axisWidth, this.gutterTop,
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'l', this.gutterLeft + this.axisWidth + offsetx, this.gutterTop - offsety,
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'l', this.gutterLeft + this.axisWidth + offsetx, ca.height - this.gutterBottom - offsety,
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'l',this.gutterLeft + this.axisWidth, ca.height - this.gutterBottom,
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's', '#aaa',
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'f','#ddd'
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]);
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}
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};
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/**
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* Draws the axes
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*/
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this.drawAxes =
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this.DrawAxes = function ()
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{
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// Set the linewidth
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co.lineWidth = prop['chart.axis.linewidth'] + 0.001;
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// Draw the left set of axes
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co.beginPath();
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co.strokeStyle = prop['chart.axis.color'];
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this.axisWidth = (ca.width - prop['chart.gutter.center'] - this.gutterLeft - this.gutterRight) / 2;
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this.axisHeight = ca.height - this.gutterTop - this.gutterBottom;
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// This must be here so that the two above variables are calculated
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if (prop['chart.noaxes']) {
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return;
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}
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co.moveTo(this.gutterLeft, Math.round( ca.height - this.gutterBottom));
|
|
co.lineTo(this.gutterLeft + this.axisWidth, Math.round( ca.height - this.gutterBottom));
|
|
|
|
co.moveTo(ma.round( this.gutterLeft + this.axisWidth), ca.height - this.gutterBottom);
|
|
co.lineTo(ma.round( this.gutterLeft + this.axisWidth), this.gutterTop);
|
|
|
|
co.stroke();
|
|
|
|
|
|
// Draw the right set of axes
|
|
co.beginPath();
|
|
|
|
var x = this.gutterLeft + this.axisWidth + prop['chart.gutter.center'];
|
|
|
|
co.moveTo(Math.round( x), this.gutterTop);
|
|
co.lineTo(Math.round( x), ca.height - this.gutterBottom);
|
|
|
|
co.moveTo(Math.round( x), Math.round( ca.height - this.gutterBottom));
|
|
co.lineTo(ca.width - this.gutterRight, Math.round( ca.height - this.gutterBottom));
|
|
|
|
co.stroke();
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Draws the tick marks on the axes
|
|
*/
|
|
this.drawTicks =
|
|
this.DrawTicks = function ()
|
|
{
|
|
// Set the linewidth
|
|
co.lineWidth = prop['chart.axis.linewidth'] + 0.001;
|
|
|
|
var numDataPoints = this.left.length;
|
|
var barHeight = ( (ca.height - this.gutterTop - this.gutterBottom)- (this.left.length * (prop['chart.margin'] * 2) )) / numDataPoints;
|
|
|
|
// Store this for later
|
|
this.barHeight = barHeight;
|
|
|
|
// If no axes - no tickmarks
|
|
if (prop['chart.noaxes']) {
|
|
return;
|
|
}
|
|
|
|
// Draw the left Y tick marks
|
|
if (prop['chart.numyticks'] > 0) {
|
|
co.beginPath();
|
|
for (var i=0; i<prop['chart.numyticks']; ++i) {
|
|
var y = prop['chart.gutter.top'] + (((ca.height - this.gutterTop - this.gutterBottom) / prop['chart.numyticks']) * i);
|
|
co.moveTo(this.gutterLeft + this.axisWidth , y);
|
|
co.lineTo(this.gutterLeft + this.axisWidth + 3, y);
|
|
}
|
|
co.stroke();
|
|
|
|
//Draw the right axis Y tick marks
|
|
co.beginPath();
|
|
for (var i=0; i<prop['chart.numyticks']; ++i) {
|
|
var y = prop['chart.gutter.top'] + (((ca.height - this.gutterTop - this.gutterBottom) / prop['chart.numyticks']) * i);
|
|
co.moveTo(this.gutterLeft + this.axisWidth + prop['chart.gutter.center'], y);
|
|
co.lineTo(this.gutterLeft + this.axisWidth + prop['chart.gutter.center'] - 3, y);
|
|
}
|
|
co.stroke();
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* X tickmarks
|
|
*/
|
|
if (prop['chart.numxticks'] > 0) {
|
|
var xInterval = this.axisWidth / prop['chart.numxticks'];
|
|
|
|
// Is chart.xtickinterval specified ? If so, use that.
|
|
if (typeof(prop['chart.xtickinterval']) == 'number') {
|
|
xInterval = prop['chart.xtickinterval'];
|
|
}
|
|
|
|
|
|
// Draw the left sides X tick marks
|
|
for (i=this.gutterLeft; i<(this.gutterLeft + this.axisWidth); i+=xInterval) {
|
|
co.beginPath();
|
|
co.moveTo(Math.round( i), ca.height - this.gutterBottom);
|
|
co.lineTo(Math.round( i), (ca.height - this.gutterBottom) + 4);
|
|
co.closePath();
|
|
|
|
co.stroke();
|
|
}
|
|
|
|
// Draw the right sides X tick marks
|
|
var stoppingPoint = ca.width - this.gutterRight;
|
|
|
|
for (i=(this.gutterLeft + this.axisWidth + prop['chart.gutter.center'] + xInterval); i<=stoppingPoint; i+=xInterval) {
|
|
co.beginPath();
|
|
co.moveTo(Math.round(i), ca.height - this.gutterBottom);
|
|
co.lineTo(Math.round(i), (ca.height - this.gutterBottom) + 4);
|
|
co.closePath();
|
|
|
|
co.stroke();
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Figures out the maximum value, or if defined, uses xmax
|
|
*/
|
|
this.getMax =
|
|
this.GetMax = function()
|
|
{
|
|
var dec = prop['chart.scale.decimals'];
|
|
|
|
// chart.xmax defined
|
|
if (prop['chart.xmax']) {
|
|
|
|
var max = prop['chart.xmax'];
|
|
var min = prop['chart.xmin'];
|
|
|
|
this.scale2 = RG.getScale2(this, {
|
|
'max':max,
|
|
'min':min,
|
|
'strict': true,
|
|
'scale.thousand':prop['chart.scale.thousand'],
|
|
'scale.point':prop['chart.scale.point'],
|
|
'scale.decimals':prop['chart.scale.decimals'],
|
|
'ylabels.count':prop['chart.labels.count'],
|
|
'scale.round':prop['chart.scale.round'],
|
|
'units.pre': prop['chart.units.pre'],
|
|
'units.post': prop['chart.units.post']
|
|
});
|
|
this.max = this.scale2.max;
|
|
this.min = this.scale2.min;
|
|
|
|
|
|
/**
|
|
* Generate the scale ourselves
|
|
*/
|
|
} else {
|
|
|
|
var max = Math.max(RG.array_max(this.left), RG.array_max(this.right));
|
|
|
|
this.scale2 = RG.getScale2(this, {
|
|
'max':max,
|
|
//'strict': true,
|
|
'min':prop['chart.xmin'],
|
|
'scale.thousand':prop['chart.scale.thousand'],
|
|
'scale.point':prop['chart.scale.point'],
|
|
'scale.decimals':prop['chart.scale.decimals'],
|
|
'ylabels.count':prop['chart.labels.count'],
|
|
'scale.round':prop['chart.scale.round'],
|
|
'units.pre': prop['chart.units.pre'],
|
|
'units.post': prop['chart.units.post']
|
|
});
|
|
|
|
|
|
this.max = this.scale2.max;
|
|
this.min = this.scale2.min;
|
|
}
|
|
|
|
// Don't need to return it as it is stored in this.max
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Function to draw the left hand bars
|
|
*/
|
|
this.drawLeftBars =
|
|
this.DrawLeftBars = function ()
|
|
{
|
|
var opt = {};
|
|
|
|
if (typeof arguments[0] === 'object') {
|
|
opt.shadow = arguments[0].shadow;
|
|
} else {
|
|
opt.shadow = true;
|
|
}
|
|
|
|
var offsetx = prop['chart.variant.threed.offsetx'],
|
|
offsety = prop['chart.variant.threed.offsety'];
|
|
|
|
// Set the stroke colour
|
|
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
|
// Set the linewidth
|
|
co.lineWidth = prop['chart.linewidth'];
|
|
|
|
for (var i=(this.left.length - 1); i>=0; i-=1) {
|
|
|
|
/**
|
|
* Turn on a shadow if requested
|
|
*/
|
|
if (prop['chart.shadow'] && prop['chart.variant'] !== '3d' && opt.shadow) {
|
|
co.shadowColor = prop['chart.shadow.color'];
|
|
co.shadowBlur = prop['chart.shadow.blur'];
|
|
co.shadowOffsetX = prop['chart.shadow.offsetx'];
|
|
co.shadowOffsetY = prop['chart.shadow.offsety'];
|
|
}
|
|
|
|
|
|
|
|
|
|
// If chart.colors.sequential is specified - handle that
|
|
// ** There's another instance of this further down **
|
|
if (prop['chart.colors.sequential']) {
|
|
co.fillStyle = prop['chart.colors'][i];
|
|
|
|
} else {
|
|
co.fillStyle = prop['chart.colors'][0];
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Work out the coordinates
|
|
*/
|
|
|
|
var width = (( (this.left[i] - this.min) / (this.max - this.min)) * this.axisWidth);
|
|
|
|
var coords = [
|
|
ma.round( this.gutterLeft + this.axisWidth - width),
|
|
ma.round( this.gutterTop + (i * ( this.axisHeight / this.left.length)) + prop['chart.margin']),
|
|
width,
|
|
this.barHeight
|
|
];
|
|
|
|
// Draw the IE shadow if necessary
|
|
if (RG.ISOLD && prop['chart.shadow']) {
|
|
this.drawIEShadow(coords);
|
|
}
|
|
|
|
|
|
if (this.left[i] !== null) {
|
|
co.strokeRect(coords[0], coords[1], coords[2], coords[3]);
|
|
co.fillRect(coords[0], coords[1], coords[2], coords[3]);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Draw the 3D sides if required
|
|
if (prop['chart.variant'] === '3d' && this.left[i] !== null) {
|
|
|
|
// If the shadow is enabled draw the backface for
|
|
// (that we don't actually see
|
|
if (prop['chart.shadow'] && opt.shadow) {
|
|
|
|
co.shadowColor = prop['chart.shadow.color'];
|
|
co.shadowBlur = prop['chart.shadow.blur'];
|
|
co.shadowOffsetX = prop['chart.shadow.offsetx'];
|
|
co.shadowOffsetY = prop['chart.shadow.offsety'];
|
|
|
|
|
|
pa(co, [
|
|
'b',
|
|
'm',coords[0] + offsetx, coords[1] - offsety,
|
|
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
|
|
'l',coords[0] + offsetx + coords[2], coords[1] - offsety + coords[3],
|
|
'l',coords[0] + offsetx,coords[1] - offsety + coords[3],
|
|
'f', 'black',
|
|
'sc', 'rgba(0,0,0,0)',
|
|
'sx', 0,
|
|
'sy', 0,
|
|
'sb', 0
|
|
]);
|
|
}
|
|
|
|
|
|
|
|
// If chart.colors.sequential is specified - handle that (again)
|
|
//
|
|
// ** There's another instance of this further up **
|
|
if (prop['chart.colors.sequential']) {
|
|
co.fillStyle = prop['chart.colors'][i];
|
|
|
|
} else {
|
|
co.fillStyle = prop['chart.colors'][0];
|
|
}
|
|
|
|
pa(co, [
|
|
'b',
|
|
'm',coords[0],coords[1],
|
|
'l',coords[0] + offsetx, coords[1] - offsety,
|
|
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
|
|
'l',coords[0] + coords[2], coords[1],
|
|
'f', null
|
|
]);
|
|
|
|
pa(co, [
|
|
'b',
|
|
'm',coords[0],coords[1],
|
|
'l',coords[0] + offsetx, coords[1] - offsety,
|
|
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
|
|
'l',coords[0] + coords[2], coords[1],
|
|
'f', 'rgba(255,255,255,0.4)'
|
|
]);
|
|
}
|
|
|
|
this.draw3DLeftVerticalAxis();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Add the coordinates to the coords array
|
|
this.coords.push([coords[0],coords[1],coords[2],coords[3]]);
|
|
this.coordsLeft.push([coords[0],coords[1],coords[2],coords[3]]);
|
|
}
|
|
|
|
/**
|
|
* Turn off any shadow
|
|
*/
|
|
RG.noShadow(this);
|
|
|
|
// Reset the linewidth
|
|
co.lineWidth = 1;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Function to draw the right hand bars
|
|
*/
|
|
this.drawRightBars =
|
|
this.DrawRightBars = function ()
|
|
{
|
|
var opt = {};
|
|
|
|
if (typeof arguments[0] === 'object') {
|
|
opt.shadow = arguments[0].shadow;
|
|
} else {
|
|
opt.shadow = true;
|
|
}
|
|
|
|
var offsetx = prop['chart.variant.threed.offsetx'],
|
|
offsety = prop['chart.variant.threed.offsety'];
|
|
|
|
|
|
|
|
|
|
// Set the stroke colour
|
|
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
|
// Set the linewidth
|
|
co.lineWidth = prop['chart.linewidth'];
|
|
|
|
/**
|
|
* Turn on a shadow if requested
|
|
*/
|
|
if (prop['chart.shadow'] && prop['chart.variant'] !== '3d' && opt.shadow) {
|
|
co.shadowColor = prop['chart.shadow.color'];
|
|
co.shadowBlur = prop['chart.shadow.blur'];
|
|
co.shadowOffsetX = prop['chart.shadow.offsetx'];
|
|
co.shadowOffsetY = prop['chart.shadow.offsety'];
|
|
}
|
|
|
|
for (var i=(this.right.length - 1); i>=0; i-=1) {
|
|
|
|
|
|
// If chart.colors.sequential is specified - handle that
|
|
if (prop['chart.colors.sequential']) {
|
|
co.fillStyle = prop['chart.colors'][i];
|
|
|
|
} else {
|
|
co.fillStyle = prop['chart.colors'][0];
|
|
}
|
|
|
|
|
|
var width = (((this.right[i] - this.min) / (this.max - this.min)) * this.axisWidth);
|
|
|
|
var coords = [
|
|
ma.round( this.gutterLeft + this.axisWidth + prop['chart.gutter.center']),
|
|
ma.round( prop['chart.margin'] + (i * (this.axisHeight / this.right.length)) + this.gutterTop),
|
|
width,
|
|
this.barHeight
|
|
];
|
|
|
|
// Draw the IE shadow if necessary
|
|
if (RG.ISOLD && prop['chart.shadow']) {
|
|
this.DrawIEShadow(coords);
|
|
}
|
|
|
|
if (this.right[i] !== null) {
|
|
co.strokeRect(ma.round( coords[0]), Math.round( coords[1]), coords[2], coords[3]);
|
|
co.fillRect(ma.round( coords[0]), Math.round( coords[1]), coords[2], coords[3]);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Draw the 3D sides if required
|
|
if (prop['chart.variant'] === '3d' && this.right[i] !== null) {
|
|
|
|
var color = co.fillStyle;
|
|
|
|
|
|
// If the shadow is enabled draw the backface for
|
|
// (that we don't actually see
|
|
if (prop['chart.shadow'] && opt.shadow) {
|
|
|
|
co.shadowColor = prop['chart.shadow.color'];
|
|
co.shadowBlur = prop['chart.shadow.blur'];
|
|
co.shadowOffsetX = prop['chart.shadow.offsetx'];
|
|
co.shadowOffsetY = prop['chart.shadow.offsety'];
|
|
|
|
pa(co, [
|
|
'b',
|
|
'm',coords[0] + offsetx, coords[1] - offsety,
|
|
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
|
|
'l',coords[0] + offsetx + coords[2], coords[1] - offsety + coords[3],
|
|
'l',coords[0] + offsetx,coords[1] - offsety + coords[3],
|
|
'f', 'black',
|
|
'sc', 'rgba(0,0,0,0)',
|
|
'sx', 0,
|
|
'sy', 0,
|
|
'sb', 0
|
|
]);
|
|
}
|
|
|
|
// Draw the top
|
|
pa(co, [
|
|
'b',
|
|
'm',coords[0],coords[1],
|
|
'l',coords[0] + offsetx, coords[1] - offsety,
|
|
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
|
|
'l',coords[0] + coords[2], coords[1],
|
|
'f', color
|
|
]);
|
|
|
|
|
|
// Draw the right hand side
|
|
pa(co, [
|
|
'b',
|
|
'm',coords[0] + coords[2],coords[1],
|
|
'l',coords[0] + coords[2] + offsetx, coords[1] - offsety,
|
|
'l',coords[0] + coords[2] + offsetx, coords[1] - offsety + coords[3],
|
|
'l',coords[0] + coords[2],coords[1] + coords[3],
|
|
'f', color
|
|
]);
|
|
|
|
// Draw the LIGHTER top
|
|
pa(co, [
|
|
'b',
|
|
'm',coords[0],coords[1],
|
|
'l',coords[0] + offsetx, coords[1] - offsety,
|
|
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
|
|
'l',coords[0] + coords[2], coords[1],
|
|
'f', 'rgba(255,255,255,0.6)'
|
|
]);
|
|
|
|
|
|
// Draw the DARKER right hand side
|
|
pa(co, [
|
|
'b',
|
|
'm',coords[0] + coords[2],coords[1],
|
|
'l',coords[0] + coords[2] + offsetx, coords[1] - offsety,
|
|
'l',coords[0] + coords[2] + offsetx, coords[1] - offsety + coords[3],
|
|
'l',coords[0] + coords[2],coords[1] + coords[3],
|
|
'f', 'rgba(0,0,0,0.3)'
|
|
]);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Add the coordinates to the coords array
|
|
*/
|
|
this.coords.push([coords[0],coords[1],coords[2],coords[3]]);
|
|
this.coordsRight.push([coords[0],coords[1],coords[2],coords[3]]);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Turn off any shadow
|
|
*/
|
|
RG.NoShadow(this);
|
|
|
|
// Reset the linewidth
|
|
co.lineWidth = 1;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Draws the titles
|
|
*/
|
|
this.drawLabels =
|
|
this.DrawLabels = function ()
|
|
{
|
|
|
|
var font = prop['chart.text.font'],
|
|
color = prop['chart.labels.color'] || prop['chart.text.color'],
|
|
size = prop['chart.text.size'],
|
|
labels = prop['chart.labels'],
|
|
barAreaHeight = ca.height - this.gutterTop - this.gutterBottom
|
|
|
|
co.fillStyle = color;
|
|
|
|
for (var i=0,len=labels.length; i<len; i+=1) {
|
|
RG.Text2(this, {
|
|
'color': color,
|
|
'font':font,
|
|
'size':size,
|
|
'x':this.gutterLeft + this.axisWidth + (prop['chart.gutter.center'] / 2),
|
|
'y':this.gutterTop + ((barAreaHeight / labels.length) * (i)) + ((barAreaHeight / labels.length) / 2),
|
|
'text':String(labels[i] ? String(labels[i]) : ''),
|
|
'halign':'center',
|
|
'valign':'center',
|
|
'marker':false,
|
|
'tag': 'labels'
|
|
});
|
|
}
|
|
|
|
|
|
|
|
co.fillStyle = prop['chart.text.color'];
|
|
|
|
|
|
|
|
if (prop['chart.xlabels']) {
|
|
|
|
var grapharea = (ca.width - prop['chart.gutter.center'] - this.gutterLeft - this.gutterRight) / 2;
|
|
|
|
// Now draw the X labels for the left hand side
|
|
for (var i=0; i<this.scale2.labels.length; ++i) {
|
|
RG.text2(this, {
|
|
'font':font,
|
|
'size':size,
|
|
'x':this.gutterLeft + ((grapharea / this.scale2.labels.length) * i),
|
|
'y':ca.height - this.gutterBottom + 3,
|
|
'text':this.scale2.labels[this.scale2.labels.length - i - 1],
|
|
'valign':'top',
|
|
'halign':'center',
|
|
'tag': 'scale'
|
|
});
|
|
|
|
|
|
|
|
|
|
// Draw the scale for the right hand side
|
|
RG.text2(this, {
|
|
'font':font,
|
|
'size':size,
|
|
'x':this.gutterLeft+ grapharea + prop['chart.gutter.center'] + ((grapharea / this.scale2.labels.length) * (i + 1)),
|
|
'y':ca.height - this.gutterBottom + 3,
|
|
'text':this.scale2.labels[i],
|
|
'valign':'top',
|
|
'halign':'center',
|
|
'tag': 'scale'
|
|
});
|
|
}
|
|
|
|
|
|
|
|
|
|
// Draw zero?
|
|
if (prop['chart.scale.zerostart']) {
|
|
RG.text2(this, {
|
|
'font':font,
|
|
'size':size,
|
|
'x':this.gutterLeft + this.axisWidth,
|
|
'y':ca.height - this.gutterBottom + 3,
|
|
'text':'0',
|
|
'valign':'top',
|
|
'halign':'center',
|
|
'tag': 'scale'
|
|
});
|
|
|
|
|
|
RG.text2(this, {
|
|
'font':font,
|
|
'size':size,
|
|
'x':this.gutterLeft + this.axisWidth + this.gutterCenter,
|
|
'y':ca.height - this.gutterBottom + 3,
|
|
'text':'0',
|
|
'valign':'top',
|
|
'halign':'center',
|
|
'tag': 'scale'
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Draw above labels
|
|
*/
|
|
if (prop['chart.labels.above']) {
|
|
|
|
// Draw the left sides above labels
|
|
for (var i=0; i<this.coordsLeft.length; ++i) {
|
|
|
|
if (typeof(this.left[i]) != 'number') {
|
|
continue;
|
|
}
|
|
|
|
var coords = this.coordsLeft[i];
|
|
RG.Text2(this, {'font':font,
|
|
'size':size,
|
|
'x':coords[0] - 5,
|
|
'y':coords[1] + (coords[3] / 2),
|
|
'text':RG.number_format(this, this.left[i], prop['chart.units.pre'], prop['chart.units.post']),
|
|
'valign':'center',
|
|
'halign':'right',
|
|
'tag':'labels.above'
|
|
});
|
|
}
|
|
|
|
// Draw the right sides above labels
|
|
for (i=0; i<this.coordsRight.length; ++i) {
|
|
|
|
if (typeof(this.right[i]) != 'number') {
|
|
continue;
|
|
}
|
|
|
|
var coords = this.coordsRight[i];
|
|
|
|
RG.Text2(this, {
|
|
'font':font,
|
|
'size':size,
|
|
'x':coords[0] + coords[2] + 5,
|
|
'y':coords[1] + (coords[3] / 2),
|
|
'text':RG.number_format(this, this.right[i], prop['chart.units.pre'], prop['chart.units.post']),
|
|
'valign':'center',
|
|
'halign':'left',
|
|
'tag': 'labels.above'
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Draws the titles
|
|
*/
|
|
this.drawTitles =
|
|
this.DrawTitles = function ()
|
|
{
|
|
RG.Text2(this, {
|
|
'font':prop['chart.text.font'],
|
|
'size':prop['chart.text.size'],
|
|
'x':this.gutterLeft + 5,
|
|
'y':this.gutterTop - 5,
|
|
'text':String(prop['chart.title.left']),
|
|
'halign':'left',
|
|
'valign':'bottom',
|
|
'tag': 'title.left'
|
|
});
|
|
|
|
RG.Text2(this, {
|
|
'font':prop['chart.text.font'],
|
|
'size':prop['chart.text.size'],
|
|
'x': ca.width - this.gutterRight - 5,
|
|
'y':this.gutterTop - 5,
|
|
'text':String(prop['chart.title.right']),
|
|
'halign':'right',
|
|
'valign':'bottom',
|
|
'tag': 'title.right'
|
|
});
|
|
|
|
|
|
|
|
// Draw the main title for the whole chart
|
|
RG.drawTitle(
|
|
this,
|
|
prop['chart.title'],
|
|
this.gutterTop,
|
|
null,
|
|
prop['chart.title.size'] ? prop['chart.title.size'] : null
|
|
);
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This function is used by MSIE only to manually draw the shadow
|
|
*
|
|
* @param array coords The coords for the bar
|
|
*/
|
|
this.drawIEShadow =
|
|
this.DrawIEShadow = function (coords)
|
|
{
|
|
var prevFillStyle = co.fillStyle;
|
|
var offsetx = prop['chart.shadow.offsetx'];
|
|
var offsety = prop['chart.shadow.offsety'];
|
|
|
|
co.lineWidth = prop['chart.linewidth'];
|
|
co.fillStyle = prop['chart.shadow.color'];
|
|
co.beginPath();
|
|
|
|
// Draw shadow here
|
|
co.fillRect(coords[0] + offsetx, coords[1] + offsety, coords[2],coords[3]);
|
|
|
|
co.fill();
|
|
|
|
// Change the fillstyle back to what it was
|
|
co.fillStyle = prevFillStyle;
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Returns the appropriate focussed bar coordinates
|
|
*
|
|
* @param e object The event object
|
|
*/
|
|
this.getShape =
|
|
this.getBar = function (e)
|
|
{
|
|
var canvas = this.canvas,
|
|
context = this.context,
|
|
mouseCoords = RG.getMouseXY(e)
|
|
|
|
/**
|
|
* Loop through the bars determining if the mouse is over a bar
|
|
*/
|
|
for (var i=0; i<this.coords.length; i++) {
|
|
|
|
var mouseX = mouseCoords[0],
|
|
mouseY = mouseCoords[1],
|
|
left = this.coords[i][0],
|
|
top = this.coords[i][1],
|
|
width = this.coords[i][2],
|
|
height = this.coords[i][3]
|
|
|
|
//if (mouseX >= left && mouseX <= (left + width) && mouseY >= top && mouseY <= (top + height) ) {
|
|
pa(co, ['b','r',left,top,width,height]);
|
|
|
|
if (co.isPointInPath(mouseX, mouseY)) {
|
|
|
|
var tooltip = RG.parseTooltipText(prop['chart.tooltips'], i);
|
|
|
|
return {
|
|
0: this,1: left,2: top,3: width,4: height,5: i,
|
|
'object': this, 'x': left, 'y': top, 'width': width, 'height': height, 'index': i, 'tooltip': tooltip
|
|
};
|
|
}
|
|
}
|
|
|
|
return null;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* 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);
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* When you click on the canvas, this will return the relevant value (if any)
|
|
*
|
|
* REMEMBER This function will need updating if the Bipolar ever gets chart.ymin
|
|
*
|
|
* @param object e The event object
|
|
*/
|
|
this.getValue = function (e)
|
|
{
|
|
var obj = e.target.__object__;
|
|
var mouseXY = RG.getMouseXY(e);
|
|
var mouseX = mouseXY[0];
|
|
|
|
/**
|
|
* Left hand side
|
|
*/
|
|
if (mouseX > this.gutterLeft && mouseX < ( (ca.width / 2) - (prop['chart.gutter.center'] / 2) )) {
|
|
var value = (mouseX - prop['chart.gutter.left']) / this.axisWidth;
|
|
value = this.max - (value * this.max);
|
|
}
|
|
|
|
/**
|
|
* Right hand side
|
|
*/
|
|
if (mouseX < (ca.width - this.gutterRight) && mouseX > ( (ca.width / 2) + (prop['chart.gutter.center'] / 2) )) {
|
|
var value = (mouseX - prop['chart.gutter.left'] - this.axisWidth - prop['chart.gutter.center']) / this.axisWidth;
|
|
value = (value * this.max);
|
|
}
|
|
|
|
return value;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* 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);
|
|
|
|
// Adjust the mouse Y coordinate for when the bar chart is
|
|
// a 3D variant
|
|
|
|
if (prop['chart.variant'] === '3d') {
|
|
var adjustment = prop['chart.variant.threed.angle'] * mouseXY[0];
|
|
mouseXY[1] -= adjustment;
|
|
}
|
|
|
|
|
|
|
|
if (
|
|
mouseXY[0] > prop['chart.gutter.left']
|
|
&& mouseXY[0] < (ca.width - prop['chart.gutter.right'])
|
|
&& mouseXY[1] > prop['chart.gutter.top']
|
|
&& mouseXY[1] < (ca.height - prop['chart.gutter.bottom'])
|
|
) {
|
|
|
|
return this;
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* 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],
|
|
coordY = obj.coords[tooltip.__index__][1],
|
|
coordW = obj.coords[tooltip.__index__][2],
|
|
coordH = obj.coords[tooltip.__index__][3],
|
|
canvasXY = RG.getCanvasXY(obj.canvas),
|
|
mouseXY = RG.getMouseXY(window.event),
|
|
gutterLeft = obj.Get('chart.gutter.left'),
|
|
gutterTop = obj.Get('chart.gutter.top'),
|
|
width = tooltip.offsetWidth,
|
|
height = tooltip.offsetHeight
|
|
|
|
// If the chart is a 3D version the tooltip Y position needs this
|
|
// adjustment
|
|
if (prop['chart.variant'] === '3d' && mouseXY) {
|
|
var adjustment = (prop['chart.variant.threed.angle'] * mouseXY[0]);
|
|
}
|
|
|
|
// Set the top position
|
|
tooltip.style.left = 0;
|
|
tooltip.style.top = canvasXY[1] + coordY - height - 7 + (adjustment || 0) + '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)) < 0) {
|
|
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 + width) > 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';
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Returns the X coords for a value. Returns two coords because there are... two scales.
|
|
*
|
|
* @param number value The value to get the coord for
|
|
*/
|
|
this.getXCoord = function (value)
|
|
{
|
|
if (value > this.max || value < 0) {
|
|
return null;
|
|
}
|
|
|
|
var ret = [];
|
|
|
|
// The offset into the graph area
|
|
var offset = ((value / this.max) * this.axisWidth);
|
|
|
|
// Get the coords (one fo each side)
|
|
ret[0] = (this.gutterLeft + this.axisWidth) - offset;
|
|
ret[1] = (ca.width - this.gutterRight - this.axisWidth) + offset;
|
|
|
|
return ret;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This allows for easy specification of gradients
|
|
*/
|
|
this.parseColors = function ()
|
|
{
|
|
// Save the original colors so that they can be restored when the canvas is reset
|
|
if (this.original_colors.length === 0) {
|
|
this.original_colors['chart.colors'] = RG.array_clone(prop['chart.colors']);
|
|
this.original_colors['chart.highlight.stroke'] = RG.array_clone(prop['chart.highlight.fill']);
|
|
this.original_colors['chart.highlight.fill'] = RG.array_clone(prop['chart.highlight.fill']);
|
|
this.original_colors['chart.axis.color'] = RG.array_clone(prop['chart.axis.color']);
|
|
this.original_colors['chart.strokestyle'] = RG.array_clone(prop['chart.strokestyle']);
|
|
}
|
|
|
|
var props = this.properties;
|
|
var colors = props['chart.colors'];
|
|
|
|
for (var i=0; i<colors.length; ++i) {
|
|
colors[i] = this.parseSingleColorForGradient(colors[i]);
|
|
}
|
|
|
|
props['chart.highlight.stroke'] = this.parseSingleColorForGradient(props['chart.highlight.stroke']);
|
|
props['chart.highlight.fill'] = this.parseSingleColorForGradient(props['chart.highlight.fill']);
|
|
props['chart.axis.color'] = this.parseSingleColorForGradient(props['chart.axis.color']);
|
|
props['chart.strokestyle'] = this.parseSingleColorForGradient(props['chart.strokestyle']);
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* 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(prop['chart.gutter.left'],0,ca.width - prop['chart.gutter.right'],0);
|
|
|
|
var diff = 1 / (parts.length - 1);
|
|
|
|
grad.addColorStop(0, RG.trim(parts[0]));
|
|
|
|
for (var j=1; j<parts.length; ++j) {
|
|
grad.addColorStop(j * diff, RG.trim(parts[j]));
|
|
}
|
|
}
|
|
|
|
return grad ? grad : color;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* 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;
|
|
};
|
|
|
|
|
|
|
|
|
|
//
|
|
// Draw the background grid
|
|
//
|
|
this.drawBackgroundGrid = function ()
|
|
{
|
|
if (prop['chart.background.grid']) {
|
|
|
|
var variant = prop['chart.variant'],
|
|
color = prop['chart.background.grid.color'],
|
|
numvlines = prop['chart.labels.count'],
|
|
numhlines = this.left.length,
|
|
vlines = prop['chart.background.grid.vlines'],
|
|
hlines = prop['chart.background.grid.hlines'],
|
|
linewidth = prop['chart.background.grid.linewidth'];
|
|
|
|
// Autofit
|
|
if (typeof prop['chart.background.grid.autofit.numhlines'] === 'number') {
|
|
numhlines = prop['chart.background.grid.autofit.numhlines'];
|
|
}
|
|
|
|
if (typeof prop['chart.background.grid.autofit.numvlines'] === 'number') {
|
|
numvlines = prop['chart.background.grid.autofit.numvlines'];
|
|
}
|
|
|
|
co.lineWidth = linewidth;
|
|
|
|
// If it's a bar and 3D variant, translate
|
|
if (variant == '3d') {
|
|
co.save();
|
|
co.translate(
|
|
prop['chart.variant.threed.offsetx'],
|
|
-1 * prop['chart.variant.threed.offsety']
|
|
);
|
|
}
|
|
|
|
// Draw vertical grid lines for the left side
|
|
if (vlines) {
|
|
for (var i=0; i<=numvlines; i+=1) {
|
|
pa(co, [
|
|
'b',
|
|
'm', this.gutterLeft + (this.axisWidth / numvlines) * i, this.gutterTop,
|
|
'l', this.gutterLeft + (this.axisWidth / numvlines) * i, this.gutterTop + this.axisHeight,
|
|
's', color
|
|
]);
|
|
|
|
}
|
|
}
|
|
|
|
// Draw horizontal grid lines for the left side
|
|
if (hlines) {
|
|
for (var i=0; i<=numhlines; i+=1) {
|
|
pa(co, [
|
|
'b',
|
|
'm', this.gutterLeft, this.gutterTop + (this.axisHeight / numhlines) * i,
|
|
'l', this.gutterLeft + this.axisWidth, this.gutterTop + (this.axisHeight / numhlines) * i,
|
|
's', color
|
|
]);
|
|
}
|
|
}
|
|
|
|
|
|
// Draw vertical grid lines for the right side
|
|
if (vlines) {
|
|
for (var i=0; i<=numvlines; i+=1) {
|
|
pa(co, [
|
|
'b',
|
|
'm', this.gutterLeft + this.gutterCenter + this.axisWidth + (this.axisWidth / numvlines) * i, this.gutterTop,
|
|
'l', this.gutterLeft + this.gutterCenter + this.axisWidth + (this.axisWidth / numvlines) * i, this.gutterTop + this.axisHeight,
|
|
's', color
|
|
]);
|
|
}
|
|
}
|
|
|
|
// Draw horizontal grid lines for the right side
|
|
if (hlines) {
|
|
for (var i=0; i<=numhlines; i+=1) {
|
|
pa(co, [
|
|
'b',
|
|
'm', this.gutterLeft + this.axisWidth + this.gutterCenter, this.gutterTop + (this.axisHeight / numhlines) * i,
|
|
'l', this.gutterLeft + this.axisWidth + this.gutterCenter + this.axisWidth, this.gutterTop + (this.axisHeight / numhlines) * i,
|
|
's', color
|
|
]);
|
|
}
|
|
}
|
|
|
|
|
|
// If it's a bar and 3D variant, translate
|
|
if (variant == '3d') {
|
|
co.restore();
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This function runs once only
|
|
* (put at the end of the file (before any effects))
|
|
*/
|
|
this.firstDrawFunc = function ()
|
|
{
|
|
// Tooltips need reversing now because the bars
|
|
// are drawn from the bottom up
|
|
if (prop['chart.tooltips']) {
|
|
prop['chart.tooltips'] = RG.arrayReverse(prop['chart.tooltips']);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Objects are now always registered so that when RGraph.Redraw()
|
|
* is called this chart will be redrawn.
|
|
*/
|
|
RG.Register(this);
|
|
|
|
|
|
|
|
|
|
/**
|
|
* This is the 'end' of the constructor so if the first argument
|
|
* contains configuration dsta - handle that.
|
|
*/
|
|
if (parseConfObjectForOptions) {
|
|
RG.parseObjectStyleConfig(this, conf.options);
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Grow
|
|
*
|
|
* The Bipolar chart Grow effect gradually increases the values of the bars
|
|
*
|
|
* @param object An object of options - eg: {frames: 30}
|
|
* @param function A function to call when the effect is complete
|
|
*/
|
|
this.grow = function ()
|
|
{
|
|
// Callback
|
|
var opt = arguments[0] || {};
|
|
var frames = opt.frames || 30;
|
|
var frame = 0;
|
|
var callback = arguments[1] || function () {};
|
|
var obj = this;
|
|
|
|
// Save the data
|
|
var originalLeft = RG.arrayClone(this.left);
|
|
var originalRight = RG.arrayClone(this.right);
|
|
|
|
|
|
// Stop the scale from changing by setting xmax (if it's not already set)
|
|
if (RG.isNull(prop['chart.xmax'])) {
|
|
|
|
var xmax = 0;
|
|
|
|
// Go through the left and right data
|
|
for (var i=0; i<this.left.length; i+=1) { xmax = ma.max(xmax, ma.abs(this.left[i])); }
|
|
for (var i=0; i<this.right.length; i+=1) { xmax = ma.max(xmax, ma.abs(this.right[i])); }
|
|
|
|
var scale = RG.getScale2(obj, {'max':xmax});
|
|
this.Set('chart.xmax', scale.max);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var iterator = function ()
|
|
{
|
|
var easingMultiplier = RG.Effects.getEasingMultiplier(frames, frame);
|
|
|
|
for (var i=0; i<obj.left.length; i+=1) { obj.left[i] = easingMultiplier * originalLeft[i]; }
|
|
for (var i=0; i<obj.right.length; i+=1) { obj.right[i] = easingMultiplier * originalRight[i]; }
|
|
|
|
RG.redrawCanvas(obj.canvas);
|
|
|
|
// Repeat or call the end function if one is defined
|
|
if (frame < frames) {
|
|
frame += 1;
|
|
RG.Effects.updateCanvas(iterator);
|
|
} else {
|
|
callback(obj);
|
|
}
|
|
};
|
|
|
|
iterator();
|
|
|
|
return this;
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Bipolar chart Wave effect.
|
|
*
|
|
* @param object OPTIONAL An object map of options. You specify 'frames' here to give the number of frames in the effect
|
|
* @param function OPTIONAL A function that will be called when the effect is complete
|
|
*/
|
|
this.wave = function ()
|
|
{
|
|
var obj = this,
|
|
opt = arguments[0] || {};
|
|
opt.frames = opt.frames || 60;
|
|
opt.startFrames_left = [];
|
|
opt.startFrames_right = [];
|
|
opt.counters_left = [];
|
|
opt.counters_right = [];
|
|
|
|
var framesperbar = opt.frames / 3,
|
|
frame_left = -1,
|
|
frame_right = -1,
|
|
callback = arguments[1] || function () {},
|
|
original_left = RG.arrayClone(obj.left),
|
|
original_right = RG.arrayClone(obj.right);
|
|
|
|
for (var i=0,len=obj.left.length; i<len; i+=1) {
|
|
opt.startFrames_left[i] = ((opt.frames / 2) / (obj.left.length - 1)) * i;
|
|
opt.startFrames_right[i] = ((opt.frames / 2) / (obj.right.length - 1)) * i;
|
|
opt.counters_left[i] = 0;
|
|
opt.counters_right[i] = 0;
|
|
}
|
|
|
|
// This stops the chart from jumping
|
|
obj.draw();
|
|
obj.set('xmax', obj.scale2.max);
|
|
RG.clear(obj.canvas);
|
|
|
|
|
|
// Zero all of the data
|
|
for (var i=0,len=obj.left.length; i<len; i+=1) {
|
|
if (typeof obj.left[i] === 'number') obj.left[i] = 0;
|
|
if (typeof obj.right[i] === 'number') obj.right[i] = 0;
|
|
}
|
|
|
|
//
|
|
// Iterate over the left side
|
|
//
|
|
function iteratorLeft ()
|
|
{
|
|
++frame_left;
|
|
|
|
for (var i=0,len=obj.left.length; i<len; i+=1) {
|
|
if (frame_left > opt.startFrames_left[i]) {
|
|
|
|
var isNull = RG.isNull(obj.left[i]);
|
|
|
|
obj.left[i] = ma.min(
|
|
ma.abs(original_left[i]),
|
|
ma.abs(original_left[i] * ( (opt.counters_left[i]++) / framesperbar))
|
|
);
|
|
|
|
// Make the number negative if the original was
|
|
if (original_left[i] < 0) {
|
|
obj.left[i] *= -1;
|
|
}
|
|
|
|
if (isNull) {
|
|
obj.left[i] = null;
|
|
}
|
|
} else {
|
|
obj.left[i] = typeof obj.left[i] === 'object' && obj.left[i] ? RG.arrayPad([], obj.left[i].length, 0) : (RG.isNull(obj.left[i]) ? null : 0);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// No callback here - only called by the right function
|
|
if (frame_left < opt.frames) {
|
|
RG.redrawCanvas(obj.canvas);
|
|
RG.Effects.updateCanvas(iteratorLeft);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
// Iterate over the right side
|
|
//
|
|
function iteratorRight ()
|
|
{
|
|
++frame_right;
|
|
|
|
for (var i=0,len=obj.right.length; i<len; i+=1) {
|
|
if (frame_right > opt.startFrames_right[i]) {
|
|
|
|
var isNull = RG.isNull(obj.right[i]);
|
|
|
|
obj.right[i] = ma.min(
|
|
ma.abs(original_right[i]),
|
|
ma.abs(original_right[i] * ( (opt.counters_right[i]++) / framesperbar))
|
|
);
|
|
|
|
// Make the number negative if the original was
|
|
if (original_right[i] < 0) {
|
|
obj.right[i] *= -1;
|
|
}
|
|
|
|
if (isNull) {
|
|
obj.right[i] = null;
|
|
}
|
|
|
|
} else {
|
|
obj.right[i] = typeof obj.right[i] === 'object' && obj.right[i] ? RG.arrayPad([], obj.right[i].length, 0) : (RG.isNull(obj.right[i]) ? null : 0);
|
|
}
|
|
}
|
|
|
|
|
|
// No callback here - only called by the right function
|
|
if (frame_right < opt.frames) {
|
|
RG.redrawCanvas(obj.canvas);
|
|
RG.Effects.updateCanvas(iteratorRight);
|
|
} else {
|
|
callback(this);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
iteratorLeft();
|
|
iteratorRight();
|
|
|
|
return this;
|
|
};
|
|
}; |