root / trunk / web / dojo / dojox / charting / widget / Legend.js @ 12
History | View | Annotate | Download (3.53 KB)
| 1 |
/*
|
|---|---|
| 2 |
Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
|
| 3 |
Available via Academic Free License >= 2.1 OR the modified BSD license.
|
| 4 |
see: http://dojotoolkit.org/license for details
|
| 5 |
*/
|
| 6 |
|
| 7 |
|
| 8 |
if(!dojo._hasResource["dojox.charting.widget.Legend"]){ |
| 9 |
dojo._hasResource["dojox.charting.widget.Legend"]=true; |
| 10 |
dojo.provide("dojox.charting.widget.Legend");
|
| 11 |
dojo.require("dijit._Widget");
|
| 12 |
dojo.require("dijit._Templated");
|
| 13 |
dojo.require("dojox.lang.functional.array");
|
| 14 |
dojo.require("dojox.lang.functional.fold");
|
| 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(){ |
| 16 |
if(!this.chart){ |
| 17 |
if(!this.chartRef){ |
| 18 |
return;
|
| 19 |
} |
| 20 |
this.chart=dijit.byId(this.chartRef); |
| 21 |
if(!this.chart){ |
| 22 |
var _1=dojo.byId(this.chartRef); |
| 23 |
if(_1){
|
| 24 |
this.chart=dijit.byNode(_1);
|
| 25 |
}else{
|
| 26 |
return;
|
| 27 |
} |
| 28 |
} |
| 29 |
this.series=this.chart.chart.series; |
| 30 |
}else{
|
| 31 |
this.series=this.chart.series; |
| 32 |
} |
| 33 |
this.refresh();
|
| 34 |
},refresh:function(){ |
| 35 |
var df=dojox.lang.functional;
|
| 36 |
if(this._surfaces){ |
| 37 |
dojo.forEach(this._surfaces,function(_2){ |
| 38 |
_2.destroy(); |
| 39 |
}); |
| 40 |
} |
| 41 |
this._surfaces=[];
|
| 42 |
while(this.legendBody.lastChild){ |
| 43 |
dojo.destroy(this.legendBody.lastChild);
|
| 44 |
} |
| 45 |
if(this.horizontal){ |
| 46 |
dojo.addClass(this.legendNode,"dojoxLegendHorizontal"); |
| 47 |
this._tr=dojo.doc.createElement("tr"); |
| 48 |
this.legendBody.appendChild(this._tr); |
| 49 |
this._inrow=0; |
| 50 |
} |
| 51 |
var s=this.series; |
| 52 |
if(s.length==0){ |
| 53 |
return;
|
| 54 |
} |
| 55 |
if(s[0].chart.stack[0].declaredClass=="dojox.charting.plot2d.Pie"){ |
| 56 |
var t=s[0].chart.stack[0]; |
| 57 |
if(typeof t.run.data[0]=="number"){ |
| 58 |
var _3=df.map(t.run.data,"Math.max(x, 0)"); |
| 59 |
if(df.every(_3,"<= 0")){ |
| 60 |
return;
|
| 61 |
} |
| 62 |
var _4=df.map(_3,"/this",df.foldl(_3,"+",0)); |
| 63 |
dojo.forEach(_4,function(x,i){
|
| 64 |
this._addLabel(t.dyn[i],t._getLabel(x*100)+"%"); |
| 65 |
},this);
|
| 66 |
}else{
|
| 67 |
dojo.forEach(t.run.data,function(x,i){
|
| 68 |
this._addLabel(t.dyn[i],x.legend||x.text||x.y);
|
| 69 |
},this);
|
| 70 |
} |
| 71 |
}else{
|
| 72 |
dojo.forEach(s,function(x){
|
| 73 |
this._addLabel(x.dyn,x.legend||x.name);
|
| 74 |
},this);
|
| 75 |
} |
| 76 |
},_addLabel:function(_5,_6){ |
| 77 |
var _7=dojo.doc.createElement("td"),_8=dojo.doc.createElement("td"),_9=dojo.doc.createElement("div"); |
| 78 |
dojo.addClass(_7,"dojoxLegendIcon");
|
| 79 |
dojo.addClass(_8,"dojoxLegendText");
|
| 80 |
_9.style.width=this.swatchSize+"px"; |
| 81 |
_9.style.height=this.swatchSize+"px"; |
| 82 |
_7.appendChild(_9); |
| 83 |
if(this._tr){ |
| 84 |
this._tr.appendChild(_7);
|
| 85 |
this._tr.appendChild(_8);
|
| 86 |
if(++this._inrow===this.horizontal){ |
| 87 |
this._tr=dojo.doc.createElement("tr"); |
| 88 |
this.legendBody.appendChild(this._tr); |
| 89 |
this._inrow=0; |
| 90 |
} |
| 91 |
}else{
|
| 92 |
var tr=dojo.doc.createElement("tr"); |
| 93 |
this.legendBody.appendChild(tr);
|
| 94 |
tr.appendChild(_7); |
| 95 |
tr.appendChild(_8); |
| 96 |
} |
| 97 |
this._makeIcon(_9,_5);
|
| 98 |
_8.innerHTML=String(_6); |
| 99 |
},_makeIcon:function(_a,_b){ |
| 100 |
var mb={h:this.swatchSize,w:this.swatchSize}; |
| 101 |
var _c=dojox.gfx.createSurface(_a,mb.w,mb.h);
|
| 102 |
this._surfaces.push(_c);
|
| 103 |
if(_b.fill){
|
| 104 |
_c.createRect({x:2,y:2,width:mb.w-4,height:mb.h-4}).setFill(_b.fill).setStroke(_b.stroke);
|
| 105 |
}else{
|
| 106 |
if(_b.stroke||_b.marker){
|
| 107 |
var _d={x1:0,y1:mb.h/2,x2:mb.w,y2:mb.h/2}; |
| 108 |
if(_b.stroke){
|
| 109 |
_c.createLine(_d).setStroke(_b.stroke); |
| 110 |
} |
| 111 |
if(_b.marker){
|
| 112 |
var c={x:mb.w/2,y:mb.h/2}; |
| 113 |
if(_b.stroke){
|
| 114 |
_c.createPath({path:"M"+c.x+" "+c.y+" "+_b.marker}).setFill(_b.stroke.color).setStroke(_b.stroke);
|
| 115 |
}else{
|
| 116 |
_c.createPath({path:"M"+c.x+" "+c.y+" "+_b.marker}).setFill(_b.color).setStroke(_b.color);
|
| 117 |
} |
| 118 |
} |
| 119 |
}else{
|
| 120 |
_c.createRect({x:2,y:2,width:mb.w-4,height:mb.h-4}).setStroke("black");
|
| 121 |
_c.createLine({x1:2,y1:2,x2:mb.w-2,y2:mb.h-2}).setStroke("black");
|
| 122 |
_c.createLine({x1:2,y1:mb.h-2,x2:mb.w-2,y2:2}).setStroke("black");
|
| 123 |
} |
| 124 |
} |
| 125 |
}}); |
| 126 |
} |