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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 horizontal bar chart constructor. The horizontal bar is a minor variant
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* on the bar chart. If you have big labels, this may be useful as there is usually
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* more space available for them.
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*
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* @param object canvas The canvas object
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* @param array data The chart data
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*/
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RGraph.HBar = function (id, data)
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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 = document.getElementById(typeof id === 'object' ? id.id : id);
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this.context = this.canvas.getContext ? this.canvas.getContext("2d") : null;
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this.canvas.__object__ = this;
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this.data = data;
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this.type = 'hbar';
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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.coords = [];
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this.coords2 = [];
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this.coordsText = [];
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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.max = 0;
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this.stackedOrGrouped = false;
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// Default properties
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this.properties = {
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'chart.gutter.left': 75,
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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.background.grid': true,
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'chart.background.grid.color': '#ddd',
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'chart.background.grid.width': 1,
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'chart.background.grid.hsize': 25,
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'chart.background.grid.vsize': 25,
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'chart.background.barcolor1': 'rgba(0,0,0,0)',
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'chart.background.barcolor2': 'rgba(0,0,0,0)',
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'chart.background.grid.hlines': true,
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'chart.background.grid.vlines': true,
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'chart.background.grid.border': true,
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'chart.background.grid.autofit':true,
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'chart.background.grid.autofit.numhlines': 14,
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'chart.background.grid.autofit.numvlines': 20,
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'chart.background.grid.dashed': false,
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'chart.background.grid.dotted': false,
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'chart.linewidth': 1,
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'chart.title': '',
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'chart.title.background': null,
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'chart.title.xaxis': '',
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'chart.title.xaxis.bold': true,
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'chart.title.xaxis.size': null,
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'chart.title.xaxis.font': null,
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'chart.title.yaxis': '',
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'chart.title.yaxis.bold': true,
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'chart.title.yaxis.size': null,
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'chart.title.yaxis.font': null,
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'chart.title.yaxis.color': null,
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'chart.title.xaxis.pos': null,
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'chart.title.yaxis.pos': 0.8,
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'chart.title.yaxis.x': null,
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'chart.title.yaxis.y': null,
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'chart.title.xaxis.x': null,
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'chart.title.xaxis.y': 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.text.size': 10,
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'chart.text.color': 'black',
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'chart.text.font': 'Arial',
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'chart.colors': ['Gradient(white:red)', 'Gradient(white:blue)', 'Gradient(white:green)', 'Gradient(white:pink)', 'Gradient(white:yellow)', 'Gradient(white:cyan)', 'Gradient(white:navy)', 'Gradient(white:gray)', 'Gradient(white:black)'],
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'chart.colors.sequential': false,
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'chart.xlabels.specific': null,
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'chart.labels': [],
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'chart.labels.above': false,
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'chart.labels.above.decimals': 0,
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'chart.labels.above.specific': null,
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'chart.xlabels': true,
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'chart.xlabels.count': 5,
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'chart.contextmenu': null,
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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.units.pre': '',
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'chart.units.post': '',
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'chart.units.ingraph': false,
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'chart.strokestyle': 'rgba(0,0,0,0)',
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'chart.xmin': 0,
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'chart.xmax': 0,
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'chart.axis.color': 'black',
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'chart.shadow': false,
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'chart.shadow.color': '#666',
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'chart.shadow.blur': 3,
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'chart.shadow.offsetx': 3,
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'chart.shadow.offsety': 3,
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'chart.vmargin': 2,
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'chart.vmargin.grouped': 2,
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'chart.grouping': 'grouped',
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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.fill': 'rgba(255,255,255,0.7)',
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'chart.highlight.stroke': 'rgba(0,0,0,0)',
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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.scale.point': '.',
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'chart.scale.thousand': ',',
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'chart.scale.decimals': null,
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'chart.noredraw': false,
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'chart.events.click': null,
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'chart.events.mousemove': null,
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'chart.noxaxis': false,
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'chart.noyaxis': false,
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'chart.noaxes': false,
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'chart.noxtickmarks': false,
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'chart.noytickmarks': false,
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'chart.numyticks': data.length,
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'chart.numxticks': 10
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}
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// Check for support
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if (!this.canvas) {
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alert('[HBAR] No canvas support');
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return;
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}
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for (i=0; i<this.data.length; ++i) {
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if (typeof(this.data[i]) == 'object') {
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this.stackedOrGrouped = true;
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}
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}
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/**
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* Create the dollar objects so that functions can be added to them
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*/
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var linear_data = RGraph.array_linearize(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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* Create the linear data array
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*/
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this.data_arr = RGraph.array_linearize(this.data);
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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 setter
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*
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* @param name string The name of the property to set
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* @param value mixed The value of the property
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*/
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this.Set = function (name, value)
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{
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name = name.toLowerCase();
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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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if (name == 'chart.labels.abovebar') {
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name = 'chart.labels.above';
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}
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prop[name] = value;
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return this;
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}
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/**
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* A getter
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*
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* @param name string The name of the property to get
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*/
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this.Get = 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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if (name == 'chart.labels.abovebar') {
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name = 'chart.labels.above';
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}
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return prop[name];
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}
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/**
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* The function you call to draw the bar chart
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*/
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this.Draw = 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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/**
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* Stop the coords array from growing uncontrollably
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*/
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this.coords = [];
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this.coords2 = [];
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this.max = 0;
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/**
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* Check for chart.xmin in stacked charts
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*/
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if (prop['chart.xmin'] > 0 && prop['chart.grouping'] == 'stacked') {
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alert('[HBAR] Using chart.xmin is not supported with stacked charts, resetting chart.xmin to zero');
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this.Set('chart.xmin', 0);
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}
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/**
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* Work out a few things. They need to be here because they depend on things you can change before you
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* call Draw() but after you instantiate the object
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*/
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this.graphwidth = ca.width - this.gutterLeft - this.gutterRight;
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this.graphheight = ca.height - this.gutterTop - this.gutterBottom;
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this.halfgrapharea = this.grapharea / 2;
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this.halfTextHeight = prop['chart.text.size'] / 2;
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// Progressively Draw the chart
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RG.background.Draw(this);
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this.Drawbars();
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this.DrawAxes();
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this.DrawLabels();
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// Draw the key if necessary
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if (prop['chart.key'] && prop['chart.key'].length) {
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RG.DrawKey(this, prop['chart.key'], prop['chart.colors']);
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366 |
}
|
|
|
367 |
|
|
|
368 |
|
|
|
369 |
|
|
|
370 |
/**
|
|
|
371 |
* Setup the context menu if required
|
|
|
372 |
*/
|
|
|
373 |
if (prop['chart.contextmenu']) {
|
|
|
374 |
RG.ShowContext(this);
|
|
|
375 |
}
|
|
|
376 |
|
|
|
377 |
|
|
|
378 |
|
|
|
379 |
/**
|
|
|
380 |
* Draw "in graph" labels
|
|
|
381 |
*/
|
|
|
382 |
RG.DrawInGraphLabels(this);
|
|
|
383 |
|
|
|
384 |
|
|
|
385 |
/**
|
|
|
386 |
* This function enables resizing
|
|
|
387 |
*/
|
|
|
388 |
if (prop['chart.resizable']) {
|
|
|
389 |
RG.AllowResizing(this);
|
|
|
390 |
}
|
|
|
391 |
|
|
|
392 |
|
|
|
393 |
/**
|
|
|
394 |
* This installs the event listeners
|
|
|
395 |
*/
|
|
|
396 |
RG.InstallEventListeners(this);
|
|
|
397 |
|
|
|
398 |
|
|
|
399 |
/**
|
|
|
400 |
* Fire the RGraph ondraw event
|
|
|
401 |
*/
|
|
|
402 |
RG.FireCustomEvent(this, 'ondraw');
|
|
|
403 |
|
|
|
404 |
return this;
|
|
|
405 |
}
|
|
|
406 |
|
|
|
407 |
|
|
|
408 |
|
|
|
409 |
|
|
|
410 |
/**
|
|
|
411 |
* This draws the axes
|
|
|
412 |
*/
|
|
|
413 |
this.DrawAxes = function ()
|
|
|
414 |
{
|
|
|
415 |
var halfway = Math.round((this.graphwidth / 2) + this.gutterLeft);
|
|
|
416 |
|
|
|
417 |
co.beginPath();
|
|
|
418 |
|
|
|
419 |
co.lineWidth = prop['chart.axis.linewidth'] ? prop['chart.axis.linewidth'] + 0.001 : 1.001;
|
|
|
420 |
co.strokeStyle = prop['chart.axis.color'];
|
|
|
421 |
|
|
|
422 |
// Draw the Y axis
|
|
|
423 |
if (prop['chart.noyaxis'] == false && prop['chart.noaxes'] == false) {
|
|
|
424 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
425 |
co.moveTo(halfway, this.gutterTop);
|
|
|
426 |
co.lineTo(halfway, ca.height - this.gutterBottom);
|
|
|
427 |
} else {
|
|
|
428 |
co.moveTo(this.gutterLeft, this.gutterTop);
|
|
|
429 |
co.lineTo(this.gutterLeft, ca.height - this.gutterBottom);
|
|
|
430 |
}
|
|
|
431 |
}
|
|
|
432 |
|
|
|
433 |
// Draw the X axis
|
|
|
434 |
if (prop['chart.noxaxis'] == false && prop['chart.noaxes'] == false) {
|
|
|
435 |
co.moveTo(this.gutterLeft +0.001, ca.height - this.gutterBottom + 0.001);
|
|
|
436 |
co.lineTo(ca.width - this.gutterRight + 0.001, ca.height - this.gutterBottom + 0.001);
|
|
|
437 |
}
|
|
|
438 |
|
|
|
439 |
// Draw the Y tickmarks
|
|
|
440 |
if ( prop['chart.noytickmarks'] == false
|
|
|
441 |
&& prop['chart.noyaxis'] == false
|
|
|
442 |
&& prop['chart.numyticks'] > 0
|
|
|
443 |
&& prop['chart.noaxes'] == false
|
|
|
444 |
) {
|
|
|
445 |
|
|
|
446 |
var yTickGap = (ca.height - this.gutterTop - this.gutterBottom) / (prop['chart.numyticks'] > 0 ? prop['chart.numyticks'] : this.data.length);
|
|
|
447 |
|
|
|
448 |
for (y=this.gutterTop; y<(ca.height - this.gutterBottom - 1); y+=yTickGap) {
|
|
|
449 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
450 |
co.moveTo(halfway + 3, Math.round(y));
|
|
|
451 |
co.lineTo(halfway - 3, Math.round(y));
|
|
|
452 |
} else {
|
|
|
453 |
co.moveTo(this.gutterLeft, Math.round(y));
|
|
|
454 |
co.lineTo( this.gutterLeft - 3, Math.round(y));
|
|
|
455 |
}
|
|
|
456 |
}
|
|
|
457 |
|
|
|
458 |
// If the X axis isn't being shown draw the end tick
|
|
|
459 |
if (prop['chart.noxaxis'] == true) {
|
|
|
460 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
461 |
co.moveTo(halfway + 3, Math.round(y));
|
|
|
462 |
co.lineTo(halfway - 3, Math.round(y));
|
|
|
463 |
} else {
|
|
|
464 |
co.moveTo(this.gutterLeft, Math.round(y));
|
|
|
465 |
co.lineTo( this.gutterLeft - 3, Math.round(y));
|
|
|
466 |
}
|
|
|
467 |
}
|
|
|
468 |
}
|
|
|
469 |
|
|
|
470 |
|
|
|
471 |
// Draw the X tickmarks
|
|
|
472 |
if ( prop['chart.noxtickmarks'] == false
|
|
|
473 |
&& prop['chart.noxaxis'] == false
|
|
|
474 |
&& prop['chart.numxticks'] > 0
|
|
|
475 |
&& prop['chart.noaxes'] == false) {
|
|
|
476 |
|
|
|
477 |
xTickGap = (ca.width - this.gutterLeft - this.gutterRight ) / prop['chart.numxticks'];
|
|
|
478 |
|
|
|
479 |
yStart = ca.height - this.gutterBottom;
|
|
|
480 |
yEnd = (ca.height - this.gutterBottom) + 3;
|
|
|
481 |
|
|
|
482 |
for (x=(ca.width - this.gutterRight), i=0; prop['chart.yaxispos'] == 'center' ? x>=this.gutterLeft : x>this.gutterLeft; x-=xTickGap) {
|
|
|
483 |
|
|
|
484 |
if (prop['chart.yaxispos'] != 'center' || i != 5) {
|
|
|
485 |
co.moveTo(Math.round(x), yStart);
|
|
|
486 |
co.lineTo(Math.round(x), yEnd);
|
|
|
487 |
}
|
|
|
488 |
i++;
|
|
|
489 |
}
|
|
|
490 |
|
|
|
491 |
// If the Y axis isn't being shown draw the end tick
|
|
|
492 |
if (prop['chart.noyaxis'] == true) {
|
|
|
493 |
co.moveTo(this.gutterLeft, Math.round(yStart));
|
|
|
494 |
co.lineTo( this.gutterLeft, Math.round(yEnd));
|
|
|
495 |
}
|
|
|
496 |
}
|
|
|
497 |
co.stroke();
|
|
|
498 |
|
|
|
499 |
/**
|
|
|
500 |
* Reset the linewidth
|
|
|
501 |
*/
|
|
|
502 |
co.lineWidth = 1;
|
|
|
503 |
}
|
|
|
504 |
|
|
|
505 |
|
|
|
506 |
|
|
|
507 |
|
|
|
508 |
/**
|
|
|
509 |
* This draws the labels for the graph
|
|
|
510 |
*/
|
|
|
511 |
this.DrawLabels = function ()
|
|
|
512 |
{
|
|
|
513 |
var units_pre = prop['chart.units.pre'];
|
|
|
514 |
var units_post = prop['chart.units.post'];
|
|
|
515 |
var text_size = prop['chart.text.size'];
|
|
|
516 |
var font = prop['chart.text.font'];
|
|
|
517 |
|
|
|
518 |
|
|
|
519 |
|
|
|
520 |
/**
|
|
|
521 |
* Set the units to blank if they're to be used for ingraph labels only
|
|
|
522 |
*/
|
|
|
523 |
if (prop['chart.units.ingraph']) {
|
|
|
524 |
units_pre = '';
|
|
|
525 |
units_post = '';
|
|
|
526 |
}
|
|
|
527 |
|
|
|
528 |
|
|
|
529 |
/**
|
|
|
530 |
* Draw the X axis labels
|
|
|
531 |
*/
|
|
|
532 |
if (prop['chart.xlabels']) {
|
|
|
533 |
|
|
|
534 |
/**
|
|
|
535 |
* Specific X labels
|
|
|
536 |
*/
|
|
|
537 |
if (RGraph.is_array(prop['chart.xlabels.specific'])) {
|
|
|
538 |
|
|
|
539 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
540 |
|
|
|
541 |
var halfGraphWidth = this.graphwidth / 2;
|
|
|
542 |
var labels = prop['chart.xlabels.specific'];
|
|
|
543 |
var interval = (this.graphwidth / 2) / (labels.length - 1);
|
|
|
544 |
|
|
|
545 |
co.fillStyle = prop['chart.text.color'];
|
|
|
546 |
|
|
|
547 |
for (var i=0; i<labels.length; i+=1) {
|
|
|
548 |
RG.Text2(this, {'font':font,
|
|
|
549 |
'size':text_size,
|
|
|
550 |
'x':this.gutterLeft + halfGraphWidth + (interval * i),
|
|
|
551 |
'y':ca.height - this.gutterBottom,
|
|
|
552 |
'text':labels[i],
|
|
|
553 |
'valign':'top',
|
|
|
554 |
'halign':'center',
|
|
|
555 |
'tag': 'scale'});
|
|
|
556 |
}
|
|
|
557 |
|
|
|
558 |
for (var i=(labels.length - 1); i>0; i-=1) {
|
|
|
559 |
RG.Text2(this, {'font':font,
|
|
|
560 |
'size':text_size,
|
|
|
561 |
'x':this.gutterLeft + (interval * (labels.length - i - 1)),
|
|
|
562 |
'y':ca.height - this.gutterBottom,
|
|
|
563 |
'text':labels[i],
|
|
|
564 |
'valign':'top',
|
|
|
565 |
'halign':'center',
|
|
|
566 |
'tag': 'scale'});
|
|
|
567 |
}
|
|
|
568 |
|
|
|
569 |
} else {
|
|
|
570 |
|
|
|
571 |
var labels = prop['chart.xlabels.specific'];
|
|
|
572 |
var interval = this.graphwidth / (labels.length - 1);
|
|
|
573 |
|
|
|
574 |
co.fillStyle = prop['chart.text.color'];
|
|
|
575 |
|
|
|
576 |
for (var i=0; i<labels.length; i+=1) {
|
|
|
577 |
RG.Text2(this, {'font':font,
|
|
|
578 |
'size':text_size,
|
|
|
579 |
'x':this.gutterLeft + (interval * i),
|
|
|
580 |
'y':ca.height - this.gutterBottom,
|
|
|
581 |
'text':labels[i],
|
|
|
582 |
'valign':'top',
|
|
|
583 |
'halign':'center',
|
|
|
584 |
'tag': 'scale'});
|
|
|
585 |
}
|
|
|
586 |
}
|
|
|
587 |
|
|
|
588 |
/**
|
|
|
589 |
* Draw an X scale
|
|
|
590 |
*/
|
|
|
591 |
} else {
|
|
|
592 |
|
|
|
593 |
var gap = 7;
|
|
|
594 |
|
|
|
595 |
co.beginPath();
|
|
|
596 |
co.fillStyle = prop['chart.text.color'];
|
|
|
597 |
|
|
|
598 |
|
|
|
599 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
600 |
|
|
|
601 |
for (var i=0; i<this.scale2.labels.length; ++i) {
|
|
|
602 |
RG.Text2(this, {'font':font,
|
|
|
603 |
'size':text_size,
|
|
|
604 |
'x':this.gutterLeft + (this.graphwidth / 2) - ((this.graphwidth / 2) * ((i+1)/this.scale2.labels.length)),
|
|
|
605 |
'y':this.gutterTop + this.halfTextHeight + this.graphheight + gap,
|
|
|
606 |
'text':this.scale2.labels[i],
|
|
|
607 |
'valign':'center',
|
|
|
608 |
'halign':'center',
|
|
|
609 |
'tag': 'scale'});
|
|
|
610 |
}
|
|
|
611 |
|
|
|
612 |
for (var i=0; i<this.scale2.labels.length; ++i) {
|
|
|
613 |
RG.Text2(this, {'font':font,
|
|
|
614 |
'size':text_size,
|
|
|
615 |
'x':this.gutterLeft + ((this.graphwidth / 2) * ((i+1)/this.scale2.labels.length)) + (this.graphwidth / 2),
|
|
|
616 |
'y':this.gutterTop + this.halfTextHeight + this.graphheight + gap,
|
|
|
617 |
'text':this.scale2.labels[i],
|
|
|
618 |
'valign':'center',
|
|
|
619 |
'halign':'center',
|
|
|
620 |
'tag': 'scale'});
|
|
|
621 |
}
|
|
|
622 |
|
|
|
623 |
} else {
|
|
|
624 |
|
|
|
625 |
for (var i=0; i<this.scale2.labels.length; ++i) {
|
|
|
626 |
RG.Text2(this, {'font':font,
|
|
|
627 |
'size':text_size,
|
|
|
628 |
'x':this.gutterLeft + (this.graphwidth * ((i+1)/this.scale2.labels.length)),
|
|
|
629 |
'y':this.gutterTop + this.halfTextHeight + this.graphheight + gap,
|
|
|
630 |
'text':this.scale2.labels[i],
|
|
|
631 |
'valign':'center',
|
|
|
632 |
'halign':'center',
|
|
|
633 |
'tag': 'scale'
|
|
|
634 |
});
|
|
|
635 |
}
|
|
|
636 |
}
|
|
|
637 |
|
|
|
638 |
/**
|
|
|
639 |
* If xmin is not zero - draw that
|
|
|
640 |
*/
|
|
|
641 |
if (prop['chart.xmin'] > 0 || prop['chart.noyaxis'] == true) {
|
|
|
642 |
|
|
|
643 |
var x = prop['chart.yaxispos'] == 'center' ? this.gutterLeft + (this.graphwidth / 2): this.gutterLeft;
|
|
|
644 |
|
|
|
645 |
RG.Text2(this, {'font':font,
|
|
|
646 |
'size':text_size,
|
|
|
647 |
'x':x,
|
|
|
648 |
'y':this.gutterTop + this.halfTextHeight + this.graphheight + gap,
|
|
|
649 |
'text':RG.number_format(this, prop['chart.xmin'].toFixed(prop['chart.scale.decimals']), units_pre, units_post),
|
|
|
650 |
'valign':'center',
|
|
|
651 |
'halign':'center',
|
|
|
652 |
'tag': 'scale'
|
|
|
653 |
});
|
|
|
654 |
}
|
|
|
655 |
|
|
|
656 |
co.fill();
|
|
|
657 |
co.stroke();
|
|
|
658 |
}
|
|
|
659 |
}
|
|
|
660 |
|
|
|
661 |
/**
|
|
|
662 |
* The Y axis labels
|
|
|
663 |
*/
|
|
|
664 |
if (typeof(prop['chart.labels']) == 'object') {
|
|
|
665 |
|
|
|
666 |
var xOffset = 5;
|
|
|
667 |
var font = prop['chart.text.font'];
|
|
|
668 |
|
|
|
669 |
// Draw the X axis labels
|
|
|
670 |
co.fillStyle = prop['chart.text.color'];
|
|
|
671 |
|
|
|
672 |
// How wide is each bar
|
|
|
673 |
var barHeight = (ca.height - this.gutterTop - this.gutterBottom ) / prop['chart.labels'].length;
|
|
|
674 |
|
|
|
675 |
// Reset the xTickGap
|
|
|
676 |
yTickGap = (ca.height - this.gutterTop - this.gutterBottom) / prop['chart.labels'].length
|
|
|
677 |
|
|
|
678 |
// Draw the X tickmarks
|
|
|
679 |
var i=0;
|
|
|
680 |
for (y=this.gutterTop + (yTickGap / 2); y<=ca.height - this.gutterBottom; y+=yTickGap) {
|
|
|
681 |
|
|
|
682 |
RG.Text2(this, {'font':font,
|
|
|
683 |
'size':prop['chart.text.size'],
|
|
|
684 |
'x':this.gutterLeft - xOffset,
|
|
|
685 |
'y':y,
|
|
|
686 |
'text':String(prop['chart.labels'][i++]),
|
|
|
687 |
'halign':'right',
|
|
|
688 |
'valign':'center',
|
|
|
689 |
'tag': 'labels'
|
|
|
690 |
});
|
|
|
691 |
}
|
|
|
692 |
}
|
|
|
693 |
}
|
|
|
694 |
|
|
|
695 |
|
|
|
696 |
|
|
|
697 |
|
|
|
698 |
/**
|
|
|
699 |
* This function draws the bars
|
|
|
700 |
*/
|
|
|
701 |
this.Drawbars = function ()
|
|
|
702 |
{
|
|
|
703 |
co.lineWidth = prop['chart.linewidth'];
|
|
|
704 |
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
705 |
co.fillStyle = prop['chart.colors'][0];
|
|
|
706 |
var prevX = 0;
|
|
|
707 |
var prevY = 0;
|
|
|
708 |
|
|
|
709 |
/**
|
|
|
710 |
* Work out the max value
|
|
|
711 |
*/
|
|
|
712 |
if (prop['chart.xmax']) {
|
|
|
713 |
this.scale2 = RG.getScale2(this, {'max':prop['chart.xmax'],
|
|
|
714 |
'min':prop['chart.xmin'],
|
|
|
715 |
'scale.decimals':Number(prop['chart.scale.decimals']),
|
|
|
716 |
'scale.point':prop['chart.scale.point'],
|
|
|
717 |
'scale.thousand':prop['chart.scale.thousand'],
|
|
|
718 |
'scale.round':prop['chart.scale.round'],
|
|
|
719 |
'units.pre':prop['chart.units.pre'],
|
|
|
720 |
'units.post':prop['chart.units.post'],
|
|
|
721 |
'ylabels.count':prop['chart.xlabels.count'],
|
|
|
722 |
'strict':true
|
|
|
723 |
});
|
|
|
724 |
this.max = this.scale2.max;
|
|
|
725 |
|
|
|
726 |
} else {
|
|
|
727 |
|
|
|
728 |
var grouping = prop['chart.grouping'];
|
|
|
729 |
|
|
|
730 |
for (i=0; i<this.data.length; ++i) {
|
|
|
731 |
if (typeof(this.data[i]) == 'object') {
|
|
|
732 |
var value = grouping == 'grouped' ? Number(RG.array_max(this.data[i], true)) : Number(RG.array_sum(this.data[i])) ;
|
|
|
733 |
} else {
|
|
|
734 |
var value = Number(Math.abs(this.data[i]));
|
|
|
735 |
}
|
|
|
736 |
|
|
|
737 |
this.max = Math.max(Math.abs(this.max), Math.abs(value));
|
|
|
738 |
}
|
|
|
739 |
|
|
|
740 |
this.scale2 = RG.getScale2(this, {'max':this.max,
|
|
|
741 |
'min':prop['chart.xmin'],
|
|
|
742 |
'scale.decimals':Number(prop['chart.scale.decimals']),
|
|
|
743 |
'scale.point':prop['chart.scale.point'],
|
|
|
744 |
'scale.thousand':prop['chart.scale.thousand'],
|
|
|
745 |
'scale.round':prop['chart.scale.round'],
|
|
|
746 |
'units.pre':prop['chart.units.pre'],
|
|
|
747 |
'units.post':prop['chart.units.post'],
|
|
|
748 |
'ylabels.count':prop['chart.xlabels.count']
|
|
|
749 |
});
|
|
|
750 |
|
|
|
751 |
|
|
|
752 |
this.max = this.scale2.max;
|
|
|
753 |
this.min = this.scale2.min;
|
|
|
754 |
}
|
|
|
755 |
|
|
|
756 |
if (prop['chart.scale.decimals'] == null && Number(this.max) == 1) {
|
|
|
757 |
this.Set('chart.scale.decimals', 1);
|
|
|
758 |
}
|
|
|
759 |
|
|
|
760 |
/**
|
|
|
761 |
* This is here to facilitate sequential colors
|
|
|
762 |
*/
|
|
|
763 |
var colorIdx = 0;
|
|
|
764 |
|
|
|
765 |
/**
|
|
|
766 |
* The bars are drawn HERE
|
|
|
767 |
*/
|
|
|
768 |
var graphwidth = (ca.width - this.gutterLeft - this.gutterRight);
|
|
|
769 |
var halfwidth = graphwidth / 2;
|
|
|
770 |
|
|
|
771 |
for (i=0; i<this.data.length; ++i) {
|
|
|
772 |
|
|
|
773 |
// Work out the width and height
|
|
|
774 |
var width = (this.data[i] / this.max) * graphwidth;
|
|
|
775 |
var height = this.graphheight / this.data.length;
|
|
|
776 |
|
|
|
777 |
var orig_height = height;
|
|
|
778 |
|
|
|
779 |
var x = this.gutterLeft;
|
|
|
780 |
var y = this.gutterTop + (i * height);
|
|
|
781 |
var vmargin = prop['chart.vmargin'];
|
|
|
782 |
|
|
|
783 |
// Account for negative lengths - Some browsers (eg Chrome) don't like a negative value
|
|
|
784 |
if (width < 0) {
|
|
|
785 |
x -= width;
|
|
|
786 |
width = Math.abs(width);
|
|
|
787 |
}
|
|
|
788 |
|
|
|
789 |
/**
|
|
|
790 |
* Turn on the shadow if need be
|
|
|
791 |
*/
|
|
|
792 |
if (prop['chart.shadow']) {
|
|
|
793 |
co.shadowColor = prop['chart.shadow.color'];
|
|
|
794 |
co.shadowBlur = prop['chart.shadow.blur'];
|
|
|
795 |
co.shadowOffsetX = prop['chart.shadow.offsetx'];
|
|
|
796 |
co.shadowOffsetY = prop['chart.shadow.offsety'];
|
|
|
797 |
}
|
|
|
798 |
|
|
|
799 |
/**
|
|
|
800 |
* Draw the bar
|
|
|
801 |
*/
|
|
|
802 |
co.beginPath();
|
|
|
803 |
if (typeof(this.data[i]) == 'number') {
|
|
|
804 |
|
|
|
805 |
var barHeight = height - (2 * vmargin);
|
|
|
806 |
var barWidth = ((this.data[i] - prop['chart.xmin']) / (this.max - prop['chart.xmin'])) * this.graphwidth;
|
|
|
807 |
var barX = this.gutterLeft;
|
|
|
808 |
|
|
|
809 |
// Account for Y axis pos
|
|
|
810 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
811 |
barWidth /= 2;
|
|
|
812 |
barX += halfwidth;
|
|
|
813 |
|
|
|
814 |
if (this.data[i] < 0) {
|
|
|
815 |
barWidth = (Math.abs(this.data[i]) - prop['chart.xmin']) / (this.max - prop['chart.xmin']);
|
|
|
816 |
barWidth = barWidth * (this.graphwidth / 2);
|
|
|
817 |
barX = ((this.graphwidth / 2) + this.gutterLeft) - barWidth;
|
|
|
818 |
}
|
|
|
819 |
}
|
|
|
820 |
|
|
|
821 |
// Set the fill color
|
|
|
822 |
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
823 |
co.fillStyle = prop['chart.colors'][0];
|
|
|
824 |
|
|
|
825 |
// Sequential colors
|
|
|
826 |
if (prop['chart.colors.sequential']) {
|
|
|
827 |
co.fillStyle = prop['chart.colors'][colorIdx++];
|
|
|
828 |
}
|
|
|
829 |
|
|
|
830 |
co.strokeRect(barX, this.gutterTop + (i * height) + prop['chart.vmargin'], barWidth, barHeight);
|
|
|
831 |
co.fillRect(barX, this.gutterTop + (i * height) + prop['chart.vmargin'], barWidth, barHeight);
|
|
|
832 |
|
|
|
833 |
this.coords.push([barX,
|
|
|
834 |
y + vmargin,
|
|
|
835 |
barWidth,
|
|
|
836 |
height - (2 * vmargin),
|
|
|
837 |
co.fillStyle,
|
|
|
838 |
this.data[i],
|
|
|
839 |
true]);
|
|
|
840 |
|
|
|
841 |
/**
|
|
|
842 |
* Stacked bar chart
|
|
|
843 |
*/
|
|
|
844 |
} else if (typeof(this.data[i]) == 'object' && prop['chart.grouping'] == 'stacked') {
|
|
|
845 |
|
|
|
846 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
847 |
alert('[HBAR] You can\'t have a stacked chart with the Y axis in the center, change it to grouped');
|
|
|
848 |
}
|
|
|
849 |
|
|
|
850 |
var barHeight = height - (2 * vmargin);
|
|
|
851 |
|
|
|
852 |
if (typeof this.coords2[i] == 'undefined') {
|
|
|
853 |
this.coords2[i] = [];
|
|
|
854 |
}
|
|
|
855 |
|
|
|
856 |
for (j=0; j<this.data[i].length; ++j) {
|
|
|
857 |
|
|
|
858 |
|
|
|
859 |
// Set the fill/stroke colors
|
|
|
860 |
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
861 |
co.fillStyle = prop['chart.colors'][j];
|
|
|
862 |
|
|
|
863 |
|
|
|
864 |
// Sequential colors
|
|
|
865 |
if (prop['chart.colors.sequential']) {
|
|
|
866 |
co.fillStyle = prop['chart.colors'][colorIdx++];
|
|
|
867 |
}
|
|
|
868 |
|
|
|
869 |
|
|
|
870 |
var width = (((this.data[i][j]) / (this.max))) * this.graphwidth;
|
|
|
871 |
var totalWidth = (RG.array_sum(this.data[i]) / this.max) * this.graphwidth;
|
|
|
872 |
|
|
|
873 |
co.strokeRect(x, this.gutterTop + prop['chart.vmargin'] + (this.graphheight / this.data.length) * i, width, height - (2 * vmargin) );
|
|
|
874 |
co.fillRect(x, this.gutterTop + prop['chart.vmargin'] + (this.graphheight / this.data.length) * i, width, height - (2 * vmargin) );
|
|
|
875 |
|
|
|
876 |
/**
|
|
|
877 |
* Store the coords for tooltips
|
|
|
878 |
*/
|
|
|
879 |
|
|
|
880 |
// The last property of this array is a boolean which tells you whether the value is the last or not
|
|
|
881 |
this.coords.push([x,
|
|
|
882 |
y + vmargin,
|
|
|
883 |
width,
|
|
|
884 |
height - (2 * vmargin),
|
|
|
885 |
co.fillStyle,
|
|
|
886 |
RG.array_sum(this.data[i]),
|
|
|
887 |
j == (this.data[i].length - 1)
|
|
|
888 |
]);
|
|
|
889 |
this.coords2[i].push([x,
|
|
|
890 |
y + vmargin,
|
|
|
891 |
width,
|
|
|
892 |
height - (2 * vmargin),
|
|
|
893 |
co.fillStyle,
|
|
|
894 |
RG.array_sum(this.data[i]),
|
|
|
895 |
j == (this.data[i].length - 1)
|
|
|
896 |
]);
|
|
|
897 |
|
|
|
898 |
x += width;
|
|
|
899 |
}
|
|
|
900 |
|
|
|
901 |
/**
|
|
|
902 |
* A grouped bar chart
|
|
|
903 |
*/
|
|
|
904 |
} else if (typeof(this.data[i]) == 'object' && prop['chart.grouping'] == 'grouped') {
|
|
|
905 |
|
|
|
906 |
var vmarginGrouped = prop['chart.vmargin.grouped'];
|
|
|
907 |
var individualBarHeight = ((height - (2 * vmargin) - ((this.data[i].length - 1) * vmarginGrouped)) / this.data[i].length)
|
|
|
908 |
|
|
|
909 |
if (typeof this.coords2[i] == 'undefined') {
|
|
|
910 |
this.coords2[i] = [];
|
|
|
911 |
}
|
|
|
912 |
|
|
|
913 |
for (j=0; j<this.data[i].length; ++j) {
|
|
|
914 |
|
|
|
915 |
|
|
|
916 |
/**
|
|
|
917 |
* Turn on the shadow if need be
|
|
|
918 |
*/
|
|
|
919 |
if (prop['chart.shadow']) {
|
|
|
920 |
RG.SetShadow(this, prop['chart.shadow.color'], prop['chart.shadow.offsetx'], prop['chart.shadow.offsety'], prop['chart.shadow.blur']);
|
|
|
921 |
}
|
|
|
922 |
|
|
|
923 |
// Set the fill/stroke colors
|
|
|
924 |
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
925 |
co.fillStyle = prop['chart.colors'][j];
|
|
|
926 |
|
|
|
927 |
// Sequential colors
|
|
|
928 |
if (prop['chart.colors.sequential']) {
|
|
|
929 |
co.fillStyle = prop['chart.colors'][colorIdx++];
|
|
|
930 |
}
|
|
|
931 |
|
|
|
932 |
|
|
|
933 |
|
|
|
934 |
var startY = this.gutterTop + (height * i) + (individualBarHeight * j) + vmargin + (vmarginGrouped * j);
|
|
|
935 |
var width = ((this.data[i][j] - prop['chart.xmin']) / (this.max - prop['chart.xmin'])) * (ca.width - this.gutterLeft - this.gutterRight );
|
|
|
936 |
var startX = this.gutterLeft;
|
|
|
937 |
|
|
|
938 |
|
|
|
939 |
|
|
|
940 |
|
|
|
941 |
// Account for the Y axis being in the middle
|
|
|
942 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
943 |
width /= 2;
|
|
|
944 |
startX += halfwidth;
|
|
|
945 |
}
|
|
|
946 |
|
|
|
947 |
if (width < 0) {
|
|
|
948 |
startX += width;
|
|
|
949 |
width *= -1;
|
|
|
950 |
}
|
|
|
951 |
|
|
|
952 |
co.strokeRect(startX, startY, width, individualBarHeight);
|
|
|
953 |
co.fillRect(startX, startY, width, individualBarHeight);
|
|
|
954 |
|
|
|
955 |
this.coords.push([startX,
|
|
|
956 |
startY,
|
|
|
957 |
width,
|
|
|
958 |
individualBarHeight,
|
|
|
959 |
co.fillStyle,
|
|
|
960 |
this.data[i][j],
|
|
|
961 |
true]);
|
|
|
962 |
|
|
|
963 |
this.coords2[i].push([startX,
|
|
|
964 |
startY,
|
|
|
965 |
width,
|
|
|
966 |
individualBarHeight,
|
|
|
967 |
co.fillStyle,
|
|
|
968 |
this.data[i][j],
|
|
|
969 |
true]);
|
|
|
970 |
}
|
|
|
971 |
|
|
|
972 |
startY += vmargin;
|
|
|
973 |
}
|
|
|
974 |
|
|
|
975 |
co.closePath();
|
|
|
976 |
}
|
|
|
977 |
|
|
|
978 |
co.stroke();
|
|
|
979 |
co.fill();
|
|
|
980 |
|
|
|
981 |
|
|
|
982 |
|
|
|
983 |
/**
|
|
|
984 |
* Now the bars are stroke()ed, turn off the shadow
|
|
|
985 |
*/
|
|
|
986 |
RG.NoShadow(this);
|
|
|
987 |
|
|
|
988 |
this.RedrawBars();
|
|
|
989 |
}
|
|
|
990 |
|
|
|
991 |
|
|
|
992 |
|
|
|
993 |
|
|
|
994 |
/**
|
|
|
995 |
* This function goes over the bars after they been drawn, so that upwards shadows are underneath the bars
|
|
|
996 |
*/
|
|
|
997 |
this.RedrawBars = function ()
|
|
|
998 |
{
|
|
|
999 |
if (prop['chart.noredraw']) {
|
|
|
1000 |
return;
|
|
|
1001 |
}
|
|
|
1002 |
|
|
|
1003 |
var coords = this.coords;
|
|
|
1004 |
|
|
|
1005 |
var font = prop['chart.text.font'];
|
|
|
1006 |
var size = prop['chart.text.size'];
|
|
|
1007 |
var color = prop['chart.text.color'];
|
|
|
1008 |
|
|
|
1009 |
RG.NoShadow(this);
|
|
|
1010 |
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
1011 |
|
|
|
1012 |
for (var i=0; i<coords.length; ++i) {
|
|
|
1013 |
|
|
|
1014 |
if (prop['chart.shadow']) {
|
|
|
1015 |
co.beginPath();
|
|
|
1016 |
co.strokeStyle = prop['chart.strokestyle'];
|
|
|
1017 |
co.fillStyle = coords[i][4];
|
|
|
1018 |
co.lineWidth = prop['chart.linewidth'];
|
|
|
1019 |
co.strokeRect(coords[i][0], coords[i][1], coords[i][2], coords[i][3]);
|
|
|
1020 |
co.fillRect(coords[i][0], coords[i][1], coords[i][2], coords[i][3]);
|
|
|
1021 |
co.fill();
|
|
|
1022 |
co.stroke();
|
|
|
1023 |
}
|
|
|
1024 |
|
|
|
1025 |
/**
|
|
|
1026 |
* Draw labels "above" the bar
|
|
|
1027 |
*/
|
|
|
1028 |
if (prop['chart.labels.above'] && coords[i][6]) {
|
|
|
1029 |
|
|
|
1030 |
co.fillStyle = prop['chart.text.color'];
|
|
|
1031 |
co.strokeStyle = 'black';
|
|
|
1032 |
RG.NoShadow(this);
|
|
|
1033 |
|
|
|
1034 |
var border = (coords[i][0] + coords[i][2] + 7 + co.measureText(prop['chart.units.pre'] + this.coords[i][5] + prop['chart.units.post']).width) > ca.width ? true : false;
|
|
|
1035 |
|
|
|
1036 |
/**
|
|
|
1037 |
* Default to the value - then check for specific labels
|
|
|
1038 |
*/
|
|
|
1039 |
var text = RG.number_format(this, (this.coords[i][5]).toFixed(prop['chart.labels.above.decimals']), prop['chart.units.pre'], prop['chart.units.post']);
|
|
|
1040 |
if (typeof prop['chart.labels.above.specific'] == 'object' && prop['chart.labels.above.specific'] && prop['chart.labels.above.specific'][i]) {
|
|
|
1041 |
text = prop['chart.labels.above.specific'][i];
|
|
|
1042 |
}
|
|
|
1043 |
|
|
|
1044 |
RG.Text2(this, {'font':font,
|
|
|
1045 |
'size':size,
|
|
|
1046 |
'x':coords[i][0] + coords[i][2] + 5,
|
|
|
1047 |
'y':coords[i][1] + (coords[i][3] / 2),
|
|
|
1048 |
'text': text,
|
|
|
1049 |
'valign':'center',
|
|
|
1050 |
'halign':'left',
|
|
|
1051 |
'tag': 'labels.above'
|
|
|
1052 |
});
|
|
|
1053 |
}
|
|
|
1054 |
}
|
|
|
1055 |
}
|
|
|
1056 |
|
|
|
1057 |
|
|
|
1058 |
|
|
|
1059 |
|
|
|
1060 |
/**
|
|
|
1061 |
* This function can be used to get the appropriate bar information (if any)
|
|
|
1062 |
*
|
|
|
1063 |
* @param e Event object
|
|
|
1064 |
* @return Appriate bar information (if any)
|
|
|
1065 |
*/
|
|
|
1066 |
this.getShape =
|
|
|
1067 |
this.getBar = function (e)
|
|
|
1068 |
{
|
|
|
1069 |
var mouseCoords = RG.getMouseXY(e);
|
|
|
1070 |
|
|
|
1071 |
/**
|
|
|
1072 |
* Loop through the bars determining if the mouse is over a bar
|
|
|
1073 |
*/
|
|
|
1074 |
for (var i=0,len=this.coords.length; i<len; i++) {
|
|
|
1075 |
|
|
|
1076 |
var mouseX = mouseCoords[0]; // In relation to the canvas
|
|
|
1077 |
var mouseY = mouseCoords[1]; // In relation to the canvas
|
|
|
1078 |
var left = this.coords[i][0];
|
|
|
1079 |
var top = this.coords[i][1];
|
|
|
1080 |
var width = this.coords[i][2];
|
|
|
1081 |
var height = this.coords[i][3];
|
|
|
1082 |
var idx = i;
|
|
|
1083 |
|
|
|
1084 |
if (mouseX >= left && mouseX <= (left + width) && mouseY >= top && mouseY <= (top + height) ) {
|
|
|
1085 |
|
|
|
1086 |
var tooltip = RG.parseTooltipText(prop['chart.tooltips'], i);
|
|
|
1087 |
|
|
|
1088 |
return {
|
|
|
1089 |
0: this, 'object': this,
|
|
|
1090 |
1: left, 'x': left,
|
|
|
1091 |
2: top, 'y': top,
|
|
|
1092 |
3: width, 'width': width,
|
|
|
1093 |
4: height, 'height': height,
|
|
|
1094 |
5: idx, 'index': idx,
|
|
|
1095 |
'tooltip': tooltip
|
|
|
1096 |
};
|
|
|
1097 |
}
|
|
|
1098 |
}
|
|
|
1099 |
}
|
|
|
1100 |
|
|
|
1101 |
|
|
|
1102 |
|
|
|
1103 |
|
|
|
1104 |
/**
|
|
|
1105 |
* When you click on the chart, this method can return the X value at that point. It works for any point on the
|
|
|
1106 |
* chart (that is inside the gutters) - not just points within the Bars.
|
|
|
1107 |
*
|
|
|
1108 |
* @param object e The event object
|
|
|
1109 |
*/
|
|
|
1110 |
this.getValue = function (arg)
|
|
|
1111 |
{
|
|
|
1112 |
if (arg.length == 2) {
|
|
|
1113 |
var mouseX = arg[0];
|
|
|
1114 |
var mouseY = arg[1];
|
|
|
1115 |
} else {
|
|
|
1116 |
var mouseCoords = RG.getMouseXY(arg);
|
|
|
1117 |
var mouseX = mouseCoords[0];
|
|
|
1118 |
var mouseY = mouseCoords[1];
|
|
|
1119 |
}
|
|
|
1120 |
|
|
|
1121 |
if ( mouseY < this.gutterTop
|
|
|
1122 |
|| mouseY > (ca.height - this.gutterBottom)
|
|
|
1123 |
|| mouseX < this.gutterLeft
|
|
|
1124 |
|| mouseX > (ca.width - this.gutterRight)
|
|
|
1125 |
) {
|
|
|
1126 |
return null;
|
|
|
1127 |
}
|
|
|
1128 |
|
|
|
1129 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
1130 |
var value = ((mouseX - this.gutterLeft) / (this.graphwidth / 2)) * (this.max - prop['chart.xmin']);
|
|
|
1131 |
value = value - this.max
|
|
|
1132 |
|
|
|
1133 |
// Special case if xmin is defined
|
|
|
1134 |
if (prop['chart.xmin'] > 0) {
|
|
|
1135 |
value = ((mouseX - this.gutterLeft - (this.graphwidth / 2)) / (this.graphwidth / 2)) * (this.max - prop['chart.xmin']);
|
|
|
1136 |
value += prop['chart.xmin'];
|
|
|
1137 |
|
|
|
1138 |
if (mouseX < (this.gutterLeft + (this.graphwidth / 2))) {
|
|
|
1139 |
value -= (2 * prop['chart.xmin']);
|
|
|
1140 |
}
|
|
|
1141 |
}
|
|
|
1142 |
} else {
|
|
|
1143 |
var value = ((mouseX - this.gutterLeft) / this.graphwidth) * (this.max - prop['chart.xmin']);
|
|
|
1144 |
value += prop['chart.xmin'];
|
|
|
1145 |
}
|
|
|
1146 |
|
|
|
1147 |
return value;
|
|
|
1148 |
}
|
|
|
1149 |
|
|
|
1150 |
|
|
|
1151 |
|
|
|
1152 |
|
|
|
1153 |
/**
|
|
|
1154 |
* Each object type has its own Highlight() function which highlights the appropriate shape
|
|
|
1155 |
*
|
|
|
1156 |
* @param object shape The shape to highlight
|
|
|
1157 |
*/
|
|
|
1158 |
this.Highlight = function (shape)
|
|
|
1159 |
{
|
|
|
1160 |
// Add the new highlight
|
|
|
1161 |
RG.Highlight.Rect(this, shape);
|
|
|
1162 |
}
|
|
|
1163 |
|
|
|
1164 |
|
|
|
1165 |
|
|
|
1166 |
|
|
|
1167 |
/**
|
|
|
1168 |
* The getObjectByXY() worker method. Don't call this call:
|
|
|
1169 |
*
|
|
|
1170 |
* RG.ObjectRegistry.getObjectByXY(e)
|
|
|
1171 |
*
|
|
|
1172 |
* @param object e The event object
|
|
|
1173 |
*/
|
|
|
1174 |
this.getObjectByXY = function (e)
|
|
|
1175 |
{
|
|
|
1176 |
var mouseXY = RG.getMouseXY(e);
|
|
|
1177 |
|
|
|
1178 |
if (
|
|
|
1179 |
mouseXY[0] > this.gutterLeft
|
|
|
1180 |
&& mouseXY[0] < (ca.width - this.gutterRight)
|
|
|
1181 |
&& mouseXY[1] > this.gutterTop
|
|
|
1182 |
&& mouseXY[1] < (ca.height - this.gutterBottom)
|
|
|
1183 |
) {
|
|
|
1184 |
|
|
|
1185 |
return this;
|
|
|
1186 |
}
|
|
|
1187 |
}
|
|
|
1188 |
|
|
|
1189 |
|
|
|
1190 |
|
|
|
1191 |
|
|
|
1192 |
/**
|
|
|
1193 |
* This function positions a tooltip when it is displayed
|
|
|
1194 |
*
|
|
|
1195 |
* @param obj object The chart object
|
|
|
1196 |
* @param int x The X coordinate specified for the tooltip
|
|
|
1197 |
* @param int y The Y coordinate specified for the tooltip
|
|
|
1198 |
* @param objec tooltip The tooltips DIV element
|
|
|
1199 |
*/
|
|
|
1200 |
this.positionTooltip = function (obj, x, y, tooltip, idx)
|
|
|
1201 |
{
|
|
|
1202 |
var coordX = obj.coords[tooltip.__index__][0];
|
|
|
1203 |
var coordY = obj.coords[tooltip.__index__][1];
|
|
|
1204 |
var coordW = obj.coords[tooltip.__index__][2];
|
|
|
1205 |
var coordH = obj.coords[tooltip.__index__][3];
|
|
|
1206 |
var canvasXY = RG.getCanvasXY(obj.canvas);
|
|
|
1207 |
var gutterLeft = obj.gutterLeft;
|
|
|
1208 |
var gutterTop = obj.gutterTop;
|
|
|
1209 |
var width = tooltip.offsetWidth;
|
|
|
1210 |
var height = tooltip.offsetHeight;
|
|
|
1211 |
|
|
|
1212 |
// Set the top position
|
|
|
1213 |
tooltip.style.left = 0;
|
|
|
1214 |
tooltip.style.top = canvasXY[1] + coordY + (coordH / 2) - height + 'px';
|
|
|
1215 |
|
|
|
1216 |
// By default any overflow is hidden
|
|
|
1217 |
tooltip.style.overflow = '';
|
|
|
1218 |
|
|
|
1219 |
// The arrow
|
|
|
1220 |
var img = new Image();
|
|
|
1221 |
img.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAFCAYAAACjKgd3AAAARUlEQVQYV2NkQAN79+797+RkhC4M5+/bd47B2dmZEVkBCgcmgcsgbAaA9GA1BCSBbhAuA/AagmwQPgMIGgIzCD0M0AMMAEFVIAa6UQgcAAAAAElFTkSuQmCC';
|
|
|
1222 |
img.style.position = 'absolute';
|
|
|
1223 |
img.id = '__rgraph_tooltip_pointer__';
|
|
|
1224 |
img.style.top = (tooltip.offsetHeight - 2) + 'px';
|
|
|
1225 |
tooltip.appendChild(img);
|
|
|
1226 |
|
|
|
1227 |
// Reposition the tooltip if at the edges:
|
|
|
1228 |
|
|
|
1229 |
// LEFT edge
|
|
|
1230 |
if ((canvasXY[0] + coordX + (coordW / 2) - (width / 2)) < 10) {
|
|
|
1231 |
tooltip.style.left = (canvasXY[0] + coordX - (width * 0.1)) + (coordW / 2) + 'px';
|
|
|
1232 |
img.style.left = ((width * 0.1) - 8.5) + 'px';
|
|
|
1233 |
|
|
|
1234 |
// RIGHT edge
|
|
|
1235 |
} else if ((canvasXY[0] + (coordW / 2) + coordX + (width / 2)) > document.body.offsetWidth) {
|
|
|
1236 |
tooltip.style.left = canvasXY[0] + coordX - (width * 0.9) + (coordW / 2) + 'px';
|
|
|
1237 |
img.style.left = ((width * 0.9) - 8.5) + 'px';
|
|
|
1238 |
|
|
|
1239 |
// Default positioning - CENTERED
|
|
|
1240 |
} else {
|
|
|
1241 |
tooltip.style.left = (canvasXY[0] + coordX + (coordW / 2) - (width * 0.5)) + 'px';
|
|
|
1242 |
img.style.left = ((width * 0.5) - 8.5) + 'px';
|
|
|
1243 |
}
|
|
|
1244 |
}
|
|
|
1245 |
|
|
|
1246 |
|
|
|
1247 |
|
|
|
1248 |
|
|
|
1249 |
/**
|
|
|
1250 |
* Returns the appropriate Y coord for the given value
|
|
|
1251 |
*
|
|
|
1252 |
* @param number value The value to get the coord for
|
|
|
1253 |
*/
|
|
|
1254 |
this.getXCoord = function (value)
|
|
|
1255 |
{
|
|
|
1256 |
|
|
|
1257 |
if (prop['chart.yaxispos'] == 'center') {
|
|
|
1258 |
|
|
|
1259 |
// Range checking
|
|
|
1260 |
if (value > this.max || value < (-1 * this.max)) {
|
|
|
1261 |
return null;
|
|
|
1262 |
}
|
|
|
1263 |
|
|
|
1264 |
var width = (ca.width - prop['chart.gutter.left'] - prop['chart.gutter.right']) / 2;
|
|
|
1265 |
var coord = (((value - prop['chart.xmin']) / (this.max - prop['chart.xmin'])) * width) + width;
|
|
|
1266 |
|
|
|
1267 |
coord = prop['chart.gutter.left'] + coord;
|
|
|
1268 |
} else {
|
|
|
1269 |
|
|
|
1270 |
// Range checking
|
|
|
1271 |
if (value > this.max || value < 0) {
|
|
|
1272 |
return null;
|
|
|
1273 |
}
|
|
|
1274 |
|
|
|
1275 |
var width = ca.width - prop['chart.gutter.left'] - prop['chart.gutter.right'];
|
|
|
1276 |
var coord = ((value - prop['chart.xmin']) / (this.max - prop['chart.xmin'])) * width;
|
|
|
1277 |
|
|
|
1278 |
coord = prop['chart.gutter.left'] + coord;
|
|
|
1279 |
}
|
|
|
1280 |
|
|
|
1281 |
return coord;
|
|
|
1282 |
}
|
|
|
1283 |
|
|
|
1284 |
|
|
|
1285 |
|
|
|
1286 |
|
|
|
1287 |
/**
|
|
|
1288 |
*
|
|
|
1289 |
*/
|
|
|
1290 |
this.parseColors = function ()
|
|
|
1291 |
{
|
|
|
1292 |
var colors = prop['chart.colors'];
|
|
|
1293 |
|
|
|
1294 |
for (var i=0; i<colors.length; ++i) {
|
|
|
1295 |
colors[i] = this.parseSingleColorForGradient(colors[i]);
|
|
|
1296 |
}
|
|
|
1297 |
|
|
|
1298 |
prop['chart.background.grid.color'] = this.parseSingleColorForGradient(prop['chart.background.grid.color']);
|
|
|
1299 |
prop['chart.background.barcolor1'] = this.parseSingleColorForGradient(prop['chart.background.barcolor1']);
|
|
|
1300 |
prop['chart.background.barcolor2'] = this.parseSingleColorForGradient(prop['chart.background.barcolor2']);
|
|
|
1301 |
prop['chart.text.color'] = this.parseSingleColorForGradient(prop['chart.text.color']);
|
|
|
1302 |
prop['chart.labels.colors'] = this.parseSingleColorForGradient(prop['chart.labels.colors']);
|
|
|
1303 |
prop['chart.strokestyle'] = this.parseSingleColorForGradient(prop['chart.strokestyle']);
|
|
|
1304 |
prop['chart.axis.color'] = this.parseSingleColorForGradient(prop['chart.axis.color']);
|
|
|
1305 |
prop['chart.highlight.fill'] = this.parseSingleColorForGradient(prop['chart.highlight.fill']);
|
|
|
1306 |
prop['chart.highlight.stroke'] = this.parseSingleColorForGradient(prop['chart.highlight.stroke']);
|
|
|
1307 |
}
|
|
|
1308 |
|
|
|
1309 |
|
|
|
1310 |
|
|
|
1311 |
/**
|
|
|
1312 |
* This parses a single color value
|
|
|
1313 |
*/
|
|
|
1314 |
this.parseSingleColorForGradient = function (color)
|
|
|
1315 |
{
|
|
|
1316 |
if (!color || typeof(color) != 'string') {
|
|
|
1317 |
return color;
|
|
|
1318 |
}
|
|
|
1319 |
|
|
|
1320 |
if (color.match(/^gradient\((.*)\)$/i)) {
|
|
|
1321 |
|
|
|
1322 |
var parts = RegExp.$1.split(':');
|
|
|
1323 |
|
|
|
1324 |
// Create the gradient
|
|
|
1325 |
var grad = co.createLinearGradient(prop['chart.gutter.left'],0,ca.width - prop['chart.gutter.right'],0);
|
|
|
1326 |
|
|
|
1327 |
var diff = 1 / (parts.length - 1);
|
|
|
1328 |
|
|
|
1329 |
grad.addColorStop(0, RG.trim(parts[0]));
|
|
|
1330 |
|
|
|
1331 |
for (var j=1; j<parts.length; ++j) {
|
|
|
1332 |
grad.addColorStop(j * diff, RG.trim(parts[j]));
|
|
|
1333 |
}
|
|
|
1334 |
}
|
|
|
1335 |
|
|
|
1336 |
return grad ? grad : color;
|
|
|
1337 |
}
|
|
|
1338 |
|
|
|
1339 |
|
|
|
1340 |
|
|
|
1341 |
|
|
|
1342 |
/**
|
|
|
1343 |
* This function handles highlighting an entire data-series for the interactive
|
|
|
1344 |
* key
|
|
|
1345 |
*
|
|
|
1346 |
* @param int index The index of the data series to be highlighted
|
|
|
1347 |
*/
|
|
|
1348 |
this.interactiveKeyHighlight = function (index)
|
|
|
1349 |
{
|
|
|
1350 |
var obj = this;
|
|
|
1351 |
|
|
|
1352 |
this.coords2.forEach(function (value, idx, arr)
|
|
|
1353 |
{
|
|
|
1354 |
var shape = obj.coords2[idx][index]
|
|
|
1355 |
var pre_linewidth = co.lineWidth;
|
|
|
1356 |
co.lineWidth = 2;
|
|
|
1357 |
co.fillStyle = prop['chart.key.interactive.highlight.chart.fill'];
|
|
|
1358 |
co.strokeStyle = prop['chart.key.interactive.highlight.chart.stroke'];
|
|
|
1359 |
co.fillRect(shape[0], shape[1], shape[2], shape[3]);
|
|
|
1360 |
co.strokeRect(shape[0], shape[1], shape[2], shape[3]);
|
|
|
1361 |
|
|
|
1362 |
// Reset the lineWidth
|
|
|
1363 |
co.lineWidth = pre_linewidth;
|
|
|
1364 |
});
|
|
|
1365 |
}
|
|
|
1366 |
|
|
|
1367 |
|
|
|
1368 |
|
|
|
1369 |
|
|
|
1370 |
/**
|
|
|
1371 |
* Charts are now always registered
|
|
|
1372 |
*/
|
|
|
1373 |
RG.Register(this);
|
|
|
1374 |
}
|