root / trunk / web / dojo / dojox / charting / widget / Legend.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.charting.widget.Legend"]){ |
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| 9 | dojo._hasResource["dojox.charting.widget.Legend"]=true; |
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| 10 | dojo.provide("dojox.charting.widget.Legend");
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| 11 | dojo.require("dijit._Widget");
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| 12 | dojo.require("dijit._Templated");
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| 13 | dojo.require("dojox.lang.functional.array");
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| 14 | dojo.require("dojox.lang.functional.fold");
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| 15 | 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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| 16 | if(!this.chart){ |
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| 17 | if(!this.chartRef){ |
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| 18 | return;
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| 19 | } |
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| 20 | this.chart=dijit.byId(this.chartRef); |
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| 21 | if(!this.chart){ |
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| 22 | var _1=dojo.byId(this.chartRef); |
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| 23 | if(_1){
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| 24 | this.chart=dijit.byNode(_1);
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| 25 | }else{
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| 26 | return;
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| 27 | } |
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| 28 | } |
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| 29 | this.series=this.chart.chart.series; |
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| 30 | }else{
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| 31 | this.series=this.chart.series; |
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| 32 | } |
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| 33 | this.refresh();
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| 34 | },refresh:function(){ |
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| 35 | var df=dojox.lang.functional;
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| 36 | if(this._surfaces){ |
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| 37 | dojo.forEach(this._surfaces,function(_2){ |
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| 38 | _2.destroy(); |
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| 39 | }); |
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| 40 | } |
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| 41 | this._surfaces=[];
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| 42 | while(this.legendBody.lastChild){ |
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| 43 | dojo.destroy(this.legendBody.lastChild);
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| 44 | } |
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| 45 | if(this.horizontal){ |
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| 46 | dojo.addClass(this.legendNode,"dojoxLegendHorizontal"); |
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| 47 | this._tr=dojo.doc.createElement("tr"); |
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| 48 | this.legendBody.appendChild(this._tr); |
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| 49 | this._inrow=0; |
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| 50 | } |
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| 51 | var s=this.series; |
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| 52 | if(s.length==0){ |
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| 53 | return;
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| 54 | } |
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| 55 | if(s[0].chart.stack[0].declaredClass=="dojox.charting.plot2d.Pie"){ |
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| 56 | var t=s[0].chart.stack[0]; |
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| 57 | if(typeof t.run.data[0]=="number"){ |
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| 58 | var _3=df.map(t.run.data,"Math.max(x, 0)"); |
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| 59 | if(df.every(_3,"<= 0")){ |
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| 60 | return;
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| 61 | } |
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| 62 | var _4=df.map(_3,"/this",df.foldl(_3,"+",0)); |
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| 63 | dojo.forEach(_4,function(x,i){
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| 64 | this._addLabel(t.dyn[i],t._getLabel(x*100)+"%"); |
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| 65 | },this);
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| 66 | }else{
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| 67 | dojo.forEach(t.run.data,function(x,i){
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| 68 | this._addLabel(t.dyn[i],x.legend||x.text||x.y);
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| 69 | },this);
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| 70 | } |
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| 71 | }else{
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| 72 | dojo.forEach(s,function(x){
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| 73 | this._addLabel(x.dyn,x.legend||x.name);
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| 74 | },this);
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| 75 | } |
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| 76 | },_addLabel:function(_5,_6){ |
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| 77 | var _7=dojo.doc.createElement("td"),_8=dojo.doc.createElement("td"),_9=dojo.doc.createElement("div"); |
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| 78 | dojo.addClass(_7,"dojoxLegendIcon");
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| 79 | dojo.addClass(_8,"dojoxLegendText");
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| 80 | _9.style.width=this.swatchSize+"px"; |
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| 81 | _9.style.height=this.swatchSize+"px"; |
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| 82 | _7.appendChild(_9); |
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| 83 | if(this._tr){ |
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| 84 | this._tr.appendChild(_7);
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| 85 | this._tr.appendChild(_8);
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| 86 | if(++this._inrow===this.horizontal){ |
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| 87 | this._tr=dojo.doc.createElement("tr"); |
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| 88 | this.legendBody.appendChild(this._tr); |
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| 89 | this._inrow=0; |
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| 90 | } |
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| 91 | }else{
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| 92 | var tr=dojo.doc.createElement("tr"); |
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| 93 | this.legendBody.appendChild(tr);
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| 94 | tr.appendChild(_7); |
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| 95 | tr.appendChild(_8); |
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| 96 | } |
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| 97 | this._makeIcon(_9,_5);
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| 98 | _8.innerHTML=String(_6); |
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| 99 | },_makeIcon:function(_a,_b){ |
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| 100 | var mb={h:this.swatchSize,w:this.swatchSize}; |
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| 101 | var _c=dojox.gfx.createSurface(_a,mb.w,mb.h);
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| 102 | this._surfaces.push(_c);
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| 103 | if(_b.fill){
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| 104 | _c.createRect({x:2,y:2,width:mb.w-4,height:mb.h-4}).setFill(_b.fill).setStroke(_b.stroke);
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| 105 | }else{
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| 106 | if(_b.stroke||_b.marker){
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| 107 | var _d={x1:0,y1:mb.h/2,x2:mb.w,y2:mb.h/2}; |
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| 108 | if(_b.stroke){
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| 109 | _c.createLine(_d).setStroke(_b.stroke); |
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| 110 | } |
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| 111 | if(_b.marker){
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| 112 | var c={x:mb.w/2,y:mb.h/2}; |
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| 113 | if(_b.stroke){
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| 114 | _c.createPath({path:"M"+c.x+" "+c.y+" "+_b.marker}).setFill(_b.stroke.color).setStroke(_b.stroke);
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| 115 | }else{
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| 116 | _c.createPath({path:"M"+c.x+" "+c.y+" "+_b.marker}).setFill(_b.color).setStroke(_b.color);
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| 117 | } |
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| 118 | } |
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| 119 | }else{
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| 120 | _c.createRect({x:2,y:2,width:mb.w-4,height:mb.h-4}).setStroke("black");
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| 121 | _c.createLine({x1:2,y1:2,x2:mb.w-2,y2:mb.h-2}).setStroke("black");
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| 122 | _c.createLine({x1:2,y1:mb.h-2,x2:mb.w-2,y2:2}).setStroke("black");
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| 123 | } |
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| 124 | } |
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| 125 | }}); |
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| 126 | } |