root / trunk / web / dojo / dojox / charting / widget / Legend.js @ 11
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.charting.widget.Legend"]){ |
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dojo._hasResource["dojox.charting.widget.Legend"]=true; |
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dojo.provide("dojox.charting.widget.Legend");
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dojo.require("dijit._Widget");
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dojo.require("dijit._Templated");
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dojo.require("dojox.lang.functional.array");
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dojo.require("dojox.lang.functional.fold");
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dojo.declare("dojox.charting.widget.Legend",[dijit._Widget,dijit._Templated],{chartRef:"",horizontal:true,swatchSize:18,templateString:"<table dojoAttachPoint='legendNode' class='dojoxLegendNode'><tbody dojoAttachPoint='legendBody'></tbody></table>",legendNode:null,legendBody:null,postCreate:function(){ |
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if(!this.chart){ |
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if(!this.chartRef){ |
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return;
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} |
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this.chart=dijit.byId(this.chartRef); |
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if(!this.chart){ |
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var _1=dojo.byId(this.chartRef); |
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if(_1){
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this.chart=dijit.byNode(_1);
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}else{
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return;
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} |
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} |
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this.series=this.chart.chart.series; |
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}else{
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this.series=this.chart.series; |
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} |
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this.refresh();
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},refresh:function(){ |
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var df=dojox.lang.functional;
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if(this._surfaces){ |
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dojo.forEach(this._surfaces,function(_2){ |
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_2.destroy(); |
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}); |
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} |
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this._surfaces=[];
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while(this.legendBody.lastChild){ |
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dojo.destroy(this.legendBody.lastChild);
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} |
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if(this.horizontal){ |
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dojo.addClass(this.legendNode,"dojoxLegendHorizontal"); |
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this._tr=dojo.doc.createElement("tr"); |
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this.legendBody.appendChild(this._tr); |
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this._inrow=0; |
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} |
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var s=this.series; |
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if(s.length==0){ |
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return;
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} |
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if(s[0].chart.stack[0].declaredClass=="dojox.charting.plot2d.Pie"){ |
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var t=s[0].chart.stack[0]; |
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if(typeof t.run.data[0]=="number"){ |
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var _3=df.map(t.run.data,"Math.max(x, 0)"); |
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if(df.every(_3,"<= 0")){ |
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return;
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} |
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var _4=df.map(_3,"/this",df.foldl(_3,"+",0)); |
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dojo.forEach(_4,function(x,i){
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this._addLabel(t.dyn[i],t._getLabel(x*100)+"%"); |
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},this);
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}else{
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dojo.forEach(t.run.data,function(x,i){
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this._addLabel(t.dyn[i],x.legend||x.text||x.y);
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},this);
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} |
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}else{
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dojo.forEach(s,function(x){
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this._addLabel(x.dyn,x.legend||x.name);
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},this);
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} |
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},_addLabel:function(_5,_6){ |
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var _7=dojo.doc.createElement("td"),_8=dojo.doc.createElement("td"),_9=dojo.doc.createElement("div"); |
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dojo.addClass(_7,"dojoxLegendIcon");
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dojo.addClass(_8,"dojoxLegendText");
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_9.style.width=this.swatchSize+"px"; |
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_9.style.height=this.swatchSize+"px"; |
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_7.appendChild(_9); |
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if(this._tr){ |
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this._tr.appendChild(_7);
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this._tr.appendChild(_8);
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if(++this._inrow===this.horizontal){ |
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this._tr=dojo.doc.createElement("tr"); |
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this.legendBody.appendChild(this._tr); |
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this._inrow=0; |
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} |
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}else{
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var tr=dojo.doc.createElement("tr"); |
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this.legendBody.appendChild(tr);
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tr.appendChild(_7); |
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tr.appendChild(_8); |
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} |
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this._makeIcon(_9,_5);
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_8.innerHTML=String(_6); |
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},_makeIcon:function(_a,_b){ |
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var mb={h:this.swatchSize,w:this.swatchSize}; |
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var _c=dojox.gfx.createSurface(_a,mb.w,mb.h);
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this._surfaces.push(_c);
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if(_b.fill){
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_c.createRect({x:2,y:2,width:mb.w-4,height:mb.h-4}).setFill(_b.fill).setStroke(_b.stroke);
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}else{
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if(_b.stroke||_b.marker){
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var _d={x1:0,y1:mb.h/2,x2:mb.w,y2:mb.h/2}; |
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if(_b.stroke){
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_c.createLine(_d).setStroke(_b.stroke); |
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} |
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if(_b.marker){
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var c={x:mb.w/2,y:mb.h/2}; |
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if(_b.stroke){
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_c.createPath({path:"M"+c.x+" "+c.y+" "+_b.marker}).setFill(_b.stroke.color).setStroke(_b.stroke);
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}else{
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_c.createPath({path:"M"+c.x+" "+c.y+" "+_b.marker}).setFill(_b.color).setStroke(_b.color);
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} |
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} |
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}else{
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_c.createRect({x:2,y:2,width:mb.w-4,height:mb.h-4}).setStroke("black");
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_c.createLine({x1:2,y1:2,x2:mb.w-2,y2:mb.h-2}).setStroke("black");
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_c.createLine({x1:2,y1:mb.h-2,x2:mb.w-2,y2:2}).setStroke("black");
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} |
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} |
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}}); |
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} |