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jqplot.pieRenderer.min.js
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/**
* jqPlot
* Pure JavaScript plotting plugin using jQuery
*
* Version: 1.0.0b2_r1012
*
* Copyright (c) 2009-2011 Chris Leonello
* jqPlot is currently available for use in all personal or commercial projects
* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
* choose the license that best suits your project and use it accordingly.
*
* Although not required, the author would appreciate an email letting him
* know of any substantial use of jqPlot. You can reach the author at:
* chris at jqplot dot com or see http://www.jqplot.com/info.php .
*
* If you are feeling kind and generous, consider supporting the project by
* making a donation at: http://www.jqplot.com/donate.php .
*
* sprintf functions contained in jqplot.sprintf.js by Ash Searle:
*
* version 2007.04.27
* author Ash Searle
* http://hexmen.com/blog/2007/03/printf-sprintf/
* http://hexmen.com/js/sprintf.js
* The author (Ash Searle) has placed this code in the public domain:
* "This code is unrestricted: you are free to use it however you like."
*
* included jsDate library by Chris Leonello:
*
* Copyright (c) 2010-2011 Chris Leonello
*
* jsDate is currently available for use in all personal or commercial projects
* under both the MIT and GPL version 2.0 licenses. This means that you can
* choose the license that best suits your project and use it accordingly.
*
* jsDate borrows many concepts and ideas from the Date Instance
* Methods by Ken Snyder along with some parts of Ken's actual code.
*
* Ken's origianl Date Instance Methods and copyright notice:
*
* Ken Snyder (ken d snyder at gmail dot com)
* 2008-09-10
* version 2.0.2 (http://kendsnyder.com/sandbox/date/)
* Creative Commons Attribution License 3.0 (http://creativecommons.org/licenses/by/3.0/)
*
* jqplotToImage function based on Larry Siden's export-jqplot-to-png.js.
* Larry has generously given permission to adapt his code for inclusion
* into jqPlot.
*
* Larry's original code can be found here:
*
* https://github.com/lsiden/export-jqplot-to-png
*
*
*/
(function(e){e.jqplot.PieRenderer=function(){e.jqplot.LineRenderer.call(this)};e.jqplot.PieRenderer.prototype=new e.jqplot.LineRenderer();e.jqplot.PieRenderer.prototype.constructor=e.jqplot.PieRenderer;e.jqplot.PieRenderer.prototype.init=function(q,u){this.diameter=null;this.padding=20;this.sliceMargin=0;this.fill=true;this.shadowOffset=2;this.shadowAlpha=0.07;this.shadowDepth=5;this.highlightMouseOver=true;this.highlightMouseDown=false;this.highlightColors=[];this.dataLabels="percent";this.showDataLabels=false;this.dataLabelFormatString=null;this.dataLabelThreshold=3;this.dataLabelPositionFactor=0.52;this.dataLabelNudge=2;this.dataLabelCenterOn=true;this.startAngle=0;this.tickRenderer=e.jqplot.PieTickRenderer;this._drawData=true;this._type="pie";if(q.highlightMouseDown&&q.highlightMouseOver==null){q.highlightMouseOver=false}e.extend(true,this,q);if(this.sliceMargin<0){this.sliceMargin=0}this._diameter=null;this._radius=null;this._sliceAngles=[];this._highlightedPoint=null;if(this.highlightColors.length==0){for(var s=0;s<this.seriesColors.length;s++){var r=e.jqplot.getColorComponents(this.seriesColors[s]);var o=[r[0],r[1],r[2]];var t=o[0]+o[1]+o[2];for(var p=0;p<3;p++){o[p]=(t>570)?o[p]*0.8:o[p]+0.3*(255-o[p]);o[p]=parseInt(o[p],10)}this.highlightColors.push("rgb("+o[0]+","+o[1]+","+o[2]+")")}}this.highlightColorGenerator=new e.jqplot.ColorGenerator(this.highlightColors);u.postParseOptionsHooks.addOnce(m);u.postInitHooks.addOnce(g);u.eventListenerHooks.addOnce("jqplotMouseMove",b);u.eventListenerHooks.addOnce("jqplotMouseDown",a);u.eventListenerHooks.addOnce("jqplotMouseUp",l);u.eventListenerHooks.addOnce("jqplotClick",f);u.eventListenerHooks.addOnce("jqplotRightClick",n);u.postDrawHooks.addOnce(i)};e.jqplot.PieRenderer.prototype.setGridData=function(t){var p=[];var u=[];var o=this.startAngle/180*Math.PI;var s=0;this._drawData=false;for(var r=0;r<this.data.length;r++){if(this.data[r][1]!=0){this._drawData=true}p.push(this.data[r][1]);u.push([this.data[r][0]]);if(r>0){p[r]+=p[r-1]}s+=this.data[r][1]}var q=Math.PI*2/p[p.length-1];for(var r=0;r<p.length;r++){u[r][1]=p[r]*q;u[r][2]=this.data[r][1]/s}this.gridData=u};e.jqplot.PieRenderer.prototype.makeGridData=function(t,u){var p=[];var v=[];var s=0;var o=this.startAngle/180*Math.PI;this._drawData=false;for(var r=0;r<t.length;r++){if(this.data[r][1]!=0){this._drawData=true}p.push(t[r][1]);v.push([t[r][0]]);if(r>0){p[r]+=p[r-1]}s+=t[r][1]}var q=Math.PI*2/p[p.length-1];for(var r=0;r<p.length;r++){v[r][1]=p[r]*q;v[r][2]=t[r][1]/s}return v};function h(o){return Math.sin((o-(o-Math.PI)/8/Math.PI)/2)}function j(u,t,o,v,r){var w=0;var q=t-u;var s=Math.abs(q);var p=o;if(v==false){p+=r}if(p>0&&s>0.01&&s<6.282){w=parseFloat(p)/2/h(q)}return w}e.jqplot.PieRenderer.prototype.drawSlice=function(B,z,y,u,w){if(this._drawData){var p=this._radius;var A=this.fill;var x=this.lineWidth;var s=this.sliceMargin;if(this.fill==false){s+=this.lineWidth}B.save();B.translate(this._center[0],this._center[1]);var D=j(z,y,this.sliceMargin,this.fill,this.lineWidth);var o=D*Math.cos((z+y)/2);var C=D*Math.sin((z+y)/2);if((y-z)<=Math.PI){p-=D}else{p+=D}B.translate(o,C);if(w){for(var v=0,t=this.shadowDepth;v<t;v++){B.save();B.translate(this.shadowOffset*Math.cos(this.shadowAngle/180*Math.PI),this.shadowOffset*Math.sin(this.shadowAngle/180*Math.PI));q(p)}for(var v=0,t=this.shadowDepth;v<t;v++){B.restore()}}else{q(p)}B.restore()}function q(r){if(y>6.282+this.startAngle){y=6.282+this.startAngle;if(z>y){z=6.281+this.startAngle}}if(z>=y){return}B.beginPath();B.fillStyle=u;B.strokeStyle=u;B.lineWidth=x;B.arc(0,0,r,z,y,false);B.lineTo(0,0);B.closePath();if(A){B.fill()}else{B.stroke()}}};e.jqplot.PieRenderer.prototype.draw=function(B,z,E,o){var W;var H=(E!=undefined)?E:{};var t=0;var s=0;var N=1;var L=new e.jqplot.ColorGenerator(this.seriesColors);if(E.legendInfo&&E.legendInfo.placement=="insideGrid"){var J=E.legendInfo;switch(J.location){case"nw":t=J.width+J.xoffset;break;case"w":t=J.width+J.xoffset;break;case"sw":t=J.width+J.xoffset;break;case"ne":t=J.width+J.xoffset;N=-1;break;case"e":t=J.width+J.xoffset;N=-1;break;case"se":t=J.width+J.xoffset;N=-1;break;case"n":s=J.height+J.yoffset;break;case"s":s=J.height+J.yoffset;N=-1;break;default:break}}var K=(H.shadow!=undefined)?H.shadow:this.shadow;var A=(H.fill!=undefined)?H.fill:this.fill;var C=B.canvas.width;var I=B.canvas.height;var Q=C-t-2*this.padding;var X=I-s-2*this.padding;var M=Math.min(Q,X);var Y=M;this._sliceAngles=[];var v=this.sliceMargin;if(this.fill==false){v+=this.lineWidth}var q;var G=0;var R,aa,Z,ab;var D=this.startAngle/180*Math.PI;for(var W=0,V=z.length;W<V;W++){aa=(W==0)?D:z[W-1][1]+D;Z=z[W][1]+D;this._sliceAngles.push([aa,Z]);q=j(aa,Z,this.sliceMargin,this.fill,this.lineWidth);if(Math.abs(Z-aa)>Math.PI){G=Math.max(q,G)}}if(this.diameter!=null&&this.diameter>0){this._diameter=this.diameter-2*G}else{this._diameter=Y-2*G}if(this._diameter<6){e.jqplot.log("Diameter of pie too small, not rendering.");return}var S=this._radius=this._diameter/2;this._center=[(C-N*t)/2+N*t+G*Math.cos(D),(I-N*s)/2+N*s+G*Math.sin(D)];if(this.shadow){for(var W=0,V=z.length;W<V;W++){ab="rgba(0,0,0,"+this.shadowAlpha+")";this.renderer.drawSlice.call(this,B,this._sliceAngles[W][0],this._sliceAngles[W][1],ab,true)}}for(var W=0;W<z.length;W++){this.renderer.drawSlice.call(this,B,this._sliceAngles[W][0],this._sliceAngles[W][1],L.next(),false);if(this.showDataLabels&&z[W][2]*100>=this.dataLabelThreshold){var F,U=(this._sliceAngles[W][0]+this._sliceAngles[W][1])/2,T;if(this.dataLabels=="label"){F=this.dataLabelFormatString||"%s";T=e.jqplot.sprintf(F,z[W][0])}else{if(this.dataLabels=="value"){F=this.dataLabelFormatString||"%d";T=e.jqplot.sprintf(F,this.data[W][1])}else{if(this.dataLabels=="percent"){F=this.dataLabelFormatString||"%d%%";T=e.jqplot.sprintf(F,z[W][2]*100)}else{if(this.dataLabels.constructor==Array){F=this.dataLabelFormatString||"%s";T=e.jqplot.sprintf(F,this.dataLabels[W])}}}}var p=(this._radius)*this.dataLabelPositionFactor+this.sliceMargin+this.dataLabelNudge;var P=this._center[0]+Math.cos(U)*p+this.canvas._offsets.left;var O=this._center[1]+Math.sin(U)*p+this.canvas._offsets.top;var u=e('<div class="jqplot-pie-series jqplot-data-label" style="position:absolute;">'+T+"</div>").insertBefore(o.eventCanvas._elem);if(this.dataLabelCenterOn){P-=u.width()/2;O-=u.height()/2}else{P-=u.width()*Math.sin(U/2);O-=u.height()/2}P=Math.round(P);O=Math.round(O);u.css({left:P,top:O})}}};e.jqplot.PieAxisRenderer=function(){e.jqplot.LinearAxisRenderer.call(this)};e.jqplot.PieAxisRenderer.prototype=new e.jqplot.LinearAxisRenderer();e.jqplot.PieAxisRenderer.prototype.constructor=e.jqplot.PieAxisRenderer;e.jqplot.PieAxisRenderer.prototype.init=function(o){this.tickRenderer=e.jqplot.PieTickRenderer;e.extend(true,this,o);this._dataBounds={min:0,max:100};this.min=0;this.max=100;this.showTicks=false;this.ticks=[];this.showMark=false;this.show=false};e.jqplot.PieLegendRenderer=function(){e.jqplot.TableLegendRenderer.call(this)};e.jqplot.PieLegendRenderer.prototype=new e.jqplot.TableLegendRenderer();e.jqplot.PieLegendRenderer.prototype.constructor=e.jqplot.PieLegendRenderer;e.jqplot.PieLegendRenderer.prototype.init=function(o){this.numberRows=null;this.numberColumns=null;e.extend(true,this,o)};e.jqplot.PieLegendRenderer.prototype.draw=function(){var r=this;if(this.show){var B=this._series;this._elem=e(document.createElement("table"));this._elem.addClass("jqplot-table-legend");var E={position:"absolute"};if(this.background){E.background=this.background}if(this.border){E.border=this.border}if(this.fontSize){E.fontSize=this.fontSize}if(this.fontFamily){E.fontFamily=this.fontFamily}if(this.textColor){E.textColor=this.textColor}if(this.marginTop!=null){E.marginTop=this.marginTop}if(this.marginBottom!=null){E.marginBottom=this.marginBottom}if(this.marginLeft!=null){E.marginLeft=this.marginLeft}if(this.marginRight!=null){E.marginRight=this.marginRight}this._elem.css(E);var I=false,A=false,o,y;var C=B[0];var p=new e.jqplot.ColorGenerator(C.seriesColors);if(C.show){var J=C.data;if(this.numberRows){o=this.numberRows;if(!this.numberColumns){y=Math.ceil(J.length/o)}else{y=this.numberColumns}}else{if(this.numberColumns){y=this.numberColumns;o=Math.ceil(J.length/this.numberColumns)}else{o=J.length;y=1}}var H,G;var q,w,v;var x,z,F;var D=0;var u,t;for(H=0;H<o;H++){q=e(document.createElement("tr"));q.addClass("jqplot-table-legend");if(A){q.prependTo(this._elem)}else{q.appendTo(this._elem)}for(G=0;G<y;G++){if(D<J.length){x=this.labels[D]||J[D][0].toString();F=p.next();if(!A){if(H>0){I=true}else{I=false}}else{if(H==o-1){I=false}else{I=true}}z=(I)?this.rowSpacing:"0";w=e(document.createElement("td"));w.addClass("jqplot-table-legend jqplot-table-legend-swatch");w.css({textAlign:"center",paddingTop:z});u=e(document.createElement("div"));u.addClass("jqplot-table-legend-swatch-outline");t=e(document.createElement("div"));t.addClass("jqplot-table-legend-swatch");t.css({backgroundColor:F,borderColor:F});w.append(u.append(t));v=e(document.createElement("td"));v.addClass("jqplot-table-legend jqplot-table-legend-label");v.css("paddingTop",z);if(this.escapeHtml){v.text(x)}else{v.html(x)}if(A){v.prependTo(q);w.prependTo(q)}else{w.appendTo(q);v.appendTo(q)}I=true}D++}}}}return this._elem};e.jqplot.PieRenderer.prototype.handleMove=function(q,p,t,s,r){if(s){var o=[s.seriesIndex,s.pointIndex,s.data];r.target.trigger("jqplotDataMouseOver",o);if(r.series[o[0]].highlightMouseOver&&!(o[0]==r.plugins.pieRenderer.highlightedSeriesIndex&&o[1]==r.series[o[0]]._highlightedPoint)){r.target.trigger("jqplotDataHighlight",o);d(r,o[0],o[1])}}else{if(s==null){k(r)}}};function c(s,r,p){p=p||{};p.axesDefaults=p.axesDefaults||{};p.legend=p.legend||{};p.seriesDefaults=p.seriesDefaults||{};var o=false;if(p.seriesDefaults.renderer==e.jqplot.PieRenderer){o=true}else{if(p.series){for(var q=0;q<p.series.length;q++){if(p.series[q].renderer==e.jqplot.PieRenderer){o=true}}}}if(o){p.axesDefaults.renderer=e.jqplot.PieAxisRenderer;p.legend.renderer=e.jqplot.PieLegendRenderer;p.legend.preDraw=true;p.seriesDefaults.pointLabels={show:false}}}function g(r,q,o){for(var p=0;p<this.series.length;p++){if(this.series[p].renderer.constructor==e.jqplot.PieRenderer){if(this.series[p].highlightMouseOver){this.series[p].highlightMouseDown=false}}}}function m(o){for(var p=0;p<this.series.length;p++){this.series[p].seriesColors=this.seriesColors;this.series[p].colorGenerator=e.jqplot.colorGenerator}}function d(t,r,q){var p=t.series[r];var o=t.plugins.pieRenderer.highlightCanvas;o._ctx.clearRect(0,0,o._ctx.canvas.width,o._ctx.canvas.height);p._highlightedPoint=q;t.plugins.pieRenderer.highlightedSeriesIndex=r;p.renderer.drawSlice.call(p,o._ctx,p._sliceAngles[q][0],p._sliceAngles[q][1],p.highlightColorGenerator.get(q),false)}function k(q){var o=q.plugins.pieRenderer.highlightCanvas;o._ctx.clearRect(0,0,o._ctx.canvas.width,o._ctx.canvas.height);for(var p=0;p<q.series.length;p++){q.series[p]._highlightedPoint=null}q.plugins.pieRenderer.highlightedSeriesIndex=null;q.target.trigger("jqplotDataUnhighlight")}function b(s,r,v,u,t){if(u){var q=[u.seriesIndex,u.pointIndex,u.data];var p=jQuery.Event("jqplotDataMouseOver");p.pageX=s.pageX;p.pageY=s.pageY;t.target.trigger(p,q);if(t.series[q[0]].highlightMouseOver&&!(q[0]==t.plugins.pieRenderer.highlightedSeriesIndex&&q[1]==t.series[q[0]]._highlightedPoint)){var o=jQuery.Event("jqplotDataHighlight");o.pageX=s.pageX;o.pageY=s.pageY;t.target.trigger(o,q);d(t,q[0],q[1])}}else{if(u==null){k(t)}}}function a(r,q,u,t,s){if(t){var p=[t.seriesIndex,t.pointIndex,t.data];if(s.series[p[0]].highlightMouseDown&&!(p[0]==s.plugins.pieRenderer.highlightedSeriesIndex&&p[1]==s.series[p[0]]._highlightedPoint)){var o=jQuery.Event("jqplotDataHighlight");o.pageX=r.pageX;o.pageY=r.pageY;s.target.trigger(o,p);d(s,p[0],p[1])}}else{if(t==null){k(s)}}}function l(q,p,t,s,r){var o=r.plugins.pieRenderer.highlightedSeriesIndex;if(o!=null&&r.series[o].highlightMouseDown){k(r)}}function f(r,q,u,t,s){if(t){var p=[t.seriesIndex,t.pointIndex,t.data];var o=jQuery.Event("jqplotDataClick");o.pageX=r.pageX;o.pageY=r.pageY;s.target.trigger(o,p)}}function n(s,r,v,u,t){if(u){var q=[u.seriesIndex,u.pointIndex,u.data];var o=t.plugins.pieRenderer.highlightedSeriesIndex;if(o!=null&&t.series[o].highlightMouseDown){k(t)}var p=jQuery.Event("jqplotDataRightClick");p.pageX=s.pageX;p.pageY=s.pageY;t.target.trigger(p,q)}}function i(){if(this.plugins.pieRenderer&&this.plugins.pieRenderer.highlightCanvas){this.plugins.pieRenderer.highlightCanvas.resetCanvas();this.plugins.pieRenderer.highlightCanvas=null}this.plugins.pieRenderer={highlightedSeriesIndex:null};this.plugins.pieRenderer.highlightCanvas=new e.jqplot.GenericCanvas();var p=e(this.targetId+" .jqplot-data-label");if(p.length){e(p[0]).before(this.plugins.pieRenderer.highlightCanvas.createElement(this._gridPadding,"jqplot-pieRenderer-highlight-canvas",this._plotDimensions,this))}else{this.eventCanvas._elem.before(this.plugins.pieRenderer.highlightCanvas.createElement(this._gridPadding,"jqplot-pieRenderer-highlight-canvas",this._plotDimensions,this))}var o=this.plugins.pieRenderer.highlightCanvas.setContext();this.eventCanvas._elem.bind("mouseleave",{plot:this},function(q){k(q.data.plot)})}e.jqplot.preInitHooks.push(c);e.jqplot.PieTickRenderer=function(){e.jqplot.AxisTickRenderer.call(this)};e.jqplot.PieTickRenderer.prototype=new e.jqplot.AxisTickRenderer();e.jqplot.PieTickRenderer.prototype.constructor=e.jqplot.PieTickRenderer})(jQuery);
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