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261 lines
11 KiB
261 lines
11 KiB
/** |
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* jqPlot |
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* Pure JavaScript plotting plugin using jQuery |
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* |
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* Version: 1.0.9 |
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* Revision: dff2f04 |
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* |
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* Copyright (c) 2009-2016 Chris Leonello |
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* jqPlot is currently available for use in all personal or commercial projects |
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* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL |
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* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can |
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* choose the license that best suits your project and use it accordingly. |
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* |
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* Although not required, the author would appreciate an email letting him |
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* know of any substantial use of jqPlot. You can reach the author at: |
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* chris at jqplot dot com or see http://www.jqplot.com/info.php . |
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* |
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* If you are feeling kind and generous, consider supporting the project by |
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* making a donation at: http://www.jqplot.com/donate.php . |
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* |
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* sprintf functions contained in jqplot.sprintf.js by Ash Searle: |
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* |
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* version 2007.04.27 |
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* author Ash Searle |
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* http://hexmen.com/blog/2007/03/printf-sprintf/ |
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* http://hexmen.com/js/sprintf.js |
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* The author (Ash Searle) has placed this code in the public domain: |
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* "This code is unrestricted: you are free to use it however you like." |
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* |
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*/ |
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(function($) { |
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// class $.jqplot.EnhancedPieLegendRenderer |
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// Legend renderer which can specify the number of rows and/or columns in the legend |
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// Similar to EnhancedLegendRenderer, but for pie charts |
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$.jqplot.EnhancedPieLegendRenderer = function(){ |
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$.jqplot.TableLegendRenderer.call(this); |
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}; |
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$.jqplot.EnhancedPieLegendRenderer.prototype = new $.jqplot.TableLegendRenderer(); |
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$.jqplot.EnhancedPieLegendRenderer.prototype.constructor = $.jqplot.EnhancedPieLegendRenderer; |
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// called with scope of legend. |
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$.jqplot.EnhancedPieLegendRenderer.prototype.init = function(options) { |
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// prop: numberRows |
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// Maximum number of rows in the legend. 0 or null for unlimited. |
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this.numberRows = null; |
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// prop: numberColumns |
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// Maximum number of columns in the legend. 0 or null for unlimited. |
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this.numberColumns = null; |
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// prop: seriesToggle |
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// false to not enable series on/off toggling on the legend. |
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// true or a fadein/fadeout speed (number of milliseconds or 'fast', 'normal', 'slow') |
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// to enable show/hide of series on click of legend item. |
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this.seriesToggle = 'normal'; |
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// prop: seriesToggleReplot |
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// True to replot the chart after toggling series on/off. |
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// This will set the series show property to false. |
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// This allows for rescaling or other maniplation of chart. |
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// Set to an options object (e.g. {resetAxes: true}) for replot options. |
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this.seriesToggleReplot = false; |
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// prop: disableIEFading |
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// true to toggle series with a show/hide method only and not allow fading in/out. |
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// This is to overcome poor performance of fade in some versions of IE. |
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this.disableIEFading = true; |
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// prop: toolTips |
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// optional array of toolTip text corresponding to each pie slice |
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this.toolTips = []; |
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$.extend(true, this, options); |
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if (this.seriesToggle) { |
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$.jqplot.postDrawHooks.push(postDraw); |
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} |
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}; |
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// called with scope of legend |
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$.jqplot.EnhancedPieLegendRenderer.prototype.draw = function(offsets, plot) { |
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var legend = this; |
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if (this.show) { |
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var series = this._series; |
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var s; |
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var ss = 'position:absolute;'; |
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ss += (this.background) ? 'background:'+this.background+';' : ''; |
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ss += (this.border) ? 'border:'+this.border+';' : ''; |
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ss += (this.fontSize) ? 'font-size:'+this.fontSize+';' : ''; |
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ss += (this.fontFamily) ? 'font-family:'+this.fontFamily+';' : ''; |
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ss += (this.textColor) ? 'color:'+this.textColor+';' : ''; |
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ss += (this.marginTop != null) ? 'margin-top:'+this.marginTop+';' : ''; |
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ss += (this.marginBottom != null) ? 'margin-bottom:'+this.marginBottom+';' : ''; |
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ss += (this.marginLeft != null) ? 'margin-left:'+this.marginLeft+';' : ''; |
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ss += (this.marginRight != null) ? 'margin-right:'+this.marginRight+';' : ''; |
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this._elem = $('<table class="jqplot-table-legend" style="'+ss+'"></table>'); |
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if (this.seriesToggle) { |
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this._elem.css('z-index', '3'); |
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} |
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var pad = false, |
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reverse = false, |
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nr, nc; |
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var s = series[0]; |
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var slen = s.data.length; |
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var colorGenerator = new $.jqplot.ColorGenerator(s.seriesColors); |
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if (this.numberRows) { |
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nr = this.numberRows; |
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if (!this.numberColumns){ |
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nc = Math.ceil(slen/nr); |
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} |
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else{ |
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nc = this.numberColumns; |
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} |
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} |
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else if (this.numberColumns) { |
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nc = this.numberColumns; |
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nr = Math.ceil(slen/this.numberColumns); |
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} |
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else { |
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nr = slen; |
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nc = 1; |
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} |
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var i, j, tr, td1, td2, lt, rs, div, div0, div1; |
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var idx = 0; |
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// check to see if we need to reverse |
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for (i=series.length-1; i>=0; i--) { |
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if (nc == 1 && series[i]._stack || series[i].renderer.constructor == $.jqplot.BezierCurveRenderer){ |
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reverse = true; |
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} |
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} |
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for (i=0; i<nr; i++) { |
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tr = $(document.createElement('tr')); |
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tr.addClass('jqplot-table-legend'); |
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if (reverse){ |
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tr.prependTo(this._elem); |
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} |
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else{ |
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tr.appendTo(this._elem); |
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} |
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for (j=0; j<nc; j++) { |
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if (idx < slen){ |
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lt = this.labels[idx] || s.data[idx][0].toString(); |
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tt = this.toolTips[idx]; |
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if (lt) { |
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var color = colorGenerator.next(); |
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if (!reverse){ |
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if (i>0){ |
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pad = true; |
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} |
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else{ |
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pad = false; |
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} |
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} |
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else{ |
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if (i == nr -1){ |
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pad = false; |
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} |
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else{ |
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pad = true; |
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} |
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} |
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rs = (pad) ? this.rowSpacing : '0'; |
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td1 = $(document.createElement('td')); |
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td1.addClass('jqplot-table-legend jqplot-table-legend-swatch'); |
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td1.css({textAlign: 'center', paddingTop: rs}); |
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div0 = $(document.createElement('div')); |
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div0.addClass('jqplot-table-legend-swatch-outline'); |
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if (tt !== undefined) { |
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div0.attr("title", tt); |
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} |
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div1 = $(document.createElement('div')); |
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div1.addClass('jqplot-table-legend-swatch'); |
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div1.css({backgroundColor: color, borderColor: color}); |
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td1.append(div0.append(div1)); |
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td2 = $(document.createElement('td')); |
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td2.addClass('jqplot-table-legend jqplot-table-legend-label'); |
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td2.css('paddingTop', rs); |
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if (tt !== undefined) { |
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td2.attr("title", tt); |
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} |
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if (this.escapeHtml){ |
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td2.text(lt); |
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} |
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else { |
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td2.html(lt); |
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} |
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if (reverse) { |
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if (this.showLabels) {td2.prependTo(tr);} |
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if (this.showSwatches) {td1.prependTo(tr);} |
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} |
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else { |
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if (this.showSwatches) {td1.appendTo(tr);} |
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if (this.showLabels) {td2.appendTo(tr);} |
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} |
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if (this.seriesToggle) { |
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var speed; |
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if (typeof(this.seriesToggle) === 'string' || typeof(this.seriesToggle) === 'number') { |
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if (!$.jqplot.use_excanvas || !this.disableIEFading) { |
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speed = this.seriesToggle; |
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} |
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} |
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if (this.showSwatches) { |
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td1.bind('click', {series:s, index:idx, speed:speed, plot: plot, replot:this.seriesToggleReplot}, handleToggle); |
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td1.addClass('jqplot-seriesToggle'); |
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} |
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if (this.showLabels) { |
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td2.bind('click', {series:s, index:idx, speed:speed, plot: plot, replot:this.seriesToggleReplot}, handleToggle); |
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td2.addClass('jqplot-seriesToggle'); |
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} |
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// for slices that are already hidden, add the hidden class |
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if (s.showSlice[idx] === false && s.showLabel) { |
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td1.addClass('jqplot-series-hidden'); |
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td2.addClass('jqplot-series-hidden'); |
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} |
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} |
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pad = true; |
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} |
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} |
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idx++; |
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} |
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td1 = td2 = div0 = div1 = null; |
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} |
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} |
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return this._elem; |
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}; |
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var handleToggle = function (ev) { |
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var d = ev.data, |
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replot = d.replot, |
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plot = d.plot, |
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idx = d.index; |
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d.series.showSlice[idx] = (d.series.showSlice[idx] === false) ? true : false; |
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var opts = {}; |
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if ($.isPlainObject(replot)) { |
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$.extend(true, opts, replot); |
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} |
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plot.replot(opts); |
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}; |
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// called with scope of plot. |
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var postDraw = function () { |
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if (this.legend.renderer.constructor == $.jqplot.EnhancedPieLegendRenderer && this.legend.seriesToggle) { |
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var e = this.legend._elem.detach(); |
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this.eventCanvas._elem.after(e); |
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} |
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}; |
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})(jQuery);
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