root / trunk / web / dojo / dojox / charting / plot2d / Pie.js @ 12
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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.plot2d.Pie"]){ |
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| 9 | dojo._hasResource["dojox.charting.plot2d.Pie"]=true; |
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| 10 | dojo.provide("dojox.charting.plot2d.Pie");
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| 11 | dojo.require("dojox.charting.Element");
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| 12 | dojo.require("dojox.charting.axis2d.common");
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| 13 | dojo.require("dojox.charting.plot2d.common");
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| 14 | dojo.require("dojox.charting.plot2d._PlotEvents");
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| 15 | dojo.require("dojox.lang.functional");
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| 16 | dojo.require("dojox.lang.utils");
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| 17 | dojo.require("dojox.gfx");
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| 18 | dojo.require("dojo.number");
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| 19 | (function(){
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| 20 | var df=dojox.lang.functional,du=dojox.lang.utils,dc=dojox.charting.plot2d.common,da=dojox.charting.axis2d.common,g=dojox.gfx,m=g.matrix,_1=0.2; |
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| 21 | dojo.declare("dojox.charting.plot2d.Pie",[dojox.charting.Element,dojox.charting.plot2d._PlotEvents],{defaultParams:{labels:true,ticks:false,fixed:true,precision:1,labelOffset:20,labelStyle:"default",htmlLabels:true,radGrad:"native",fanSize:5,startAngle:0},optionalParams:{radius:0,stroke:{},outline:{},shadow:{},fill:{},font:"",fontColor:""},constructor:function(_2,_3){ |
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| 22 | this.opt=dojo.clone(this.defaultParams); |
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| 23 | du.updateWithObject(this.opt,_3);
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| 24 | du.updateWithPattern(this.opt,_3,this.optionalParams); |
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| 25 | this.run=null; |
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| 26 | this.dyn=[];
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| 27 | },clear:function(){ |
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| 28 | this.dirty=true; |
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| 29 | this.dyn=[];
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| 30 | this.run=null; |
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| 31 | return this; |
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| 32 | },setAxis:function(_4){ |
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| 33 | return this; |
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| 34 | },addSeries:function(_5){ |
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| 35 | this.run=_5;
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| 36 | return this; |
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| 37 | },getSeriesStats:function(){ |
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| 38 | return dojo.delegate(dc.defaultStats);
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| 39 | },initializeScalers:function(){ |
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| 40 | return this; |
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| 41 | },getRequiredColors:function(){ |
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| 42 | return this.run?this.run.data.length:0; |
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| 43 | },render:function(_6,_7){ |
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| 44 | if(!this.dirty){ |
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| 45 | return this; |
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| 46 | } |
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| 47 | this.resetEvents();
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| 48 | this.dirty=false; |
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| 49 | this._eventSeries={};
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| 50 | this.cleanGroup();
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| 51 | var s=this.group,t=this.chart.theme; |
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| 52 | if(!this.run||!this.run.data.length){ |
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| 53 | return this; |
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| 54 | } |
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| 55 | var rx=(_6.width-_7.l-_7.r)/2,ry=(_6.height-_7.t-_7.b)/2,r=Math.min(rx,ry),_8="font" in this.opt?this.opt.font:t.axis.font,_9=_8?g.normalizedLength(g.splitFontString(_8).size):0,_a="fontColor" in this.opt?this.opt.fontColor:t.axis.fontColor,_b=m._degToRad(this.opt.startAngle),_c=_b,_d,_e,_f,_10,_11,_12,run=this.run.data,_13=this.events(); |
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| 56 | if(typeof run[0]=="number"){ |
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| 57 | _e=df.map(run,"x ? Math.max(x, 0) : 0");
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| 58 | if(df.every(_e,"<= 0")){ |
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| 59 | return this; |
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| 60 | } |
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| 61 | _f=df.map(_e,"/this",df.foldl(_e,"+",0)); |
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| 62 | if(this.opt.labels){ |
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| 63 | _10=dojo.map(_f,function(x){
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| 64 | return x>0?this._getLabel(x*100)+"%":""; |
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| 65 | },this);
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| 66 | } |
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| 67 | }else{
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| 68 | _e=df.map(run,"x ? Math.max(x.y, 0) : 0");
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| 69 | if(df.every(_e,"<= 0")){ |
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| 70 | return this; |
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| 71 | } |
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| 72 | _f=df.map(_e,"/this",df.foldl(_e,"+",0)); |
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| 73 | if(this.opt.labels){ |
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| 74 | _10=dojo.map(_f,function(x,i){
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| 75 | if(x<=0){ |
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| 76 | return ""; |
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| 77 | } |
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| 78 | var v=run[i];
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| 79 | return "text" in v?v.text:this._getLabel(x*100)+"%"; |
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| 80 | },this);
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| 81 | } |
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| 82 | } |
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| 83 | var _14=df.map(run,function(v,i){ |
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| 84 | if(v===null||typeof v=="number"){ |
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| 85 | return t.next("slice",[this.opt,this.run],true); |
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| 86 | } |
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| 87 | return t.next("slice",[this.opt,this.run,v],true); |
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| 88 | },this);
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| 89 | if(this.opt.labels){ |
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| 90 | _11=df.foldl1(df.map(_10,function(_15,i){
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| 91 | var _16=_14[i].series.font;
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| 92 | return dojox.gfx._base._getTextBox(_15,{font:_16}).w; |
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| 93 | },this),"Math.max(a, b)")/2; |
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| 94 | if(this.opt.labelOffset<0){ |
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| 95 | r=Math.min(rx-2*_11,ry-_9)+this.opt.labelOffset; |
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| 96 | } |
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| 97 | _12=r-this.opt.labelOffset;
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| 98 | } |
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| 99 | if("radius" in this.opt){ |
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| 100 | r=this.opt.radius;
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| 101 | _12=r-this.opt.labelOffset;
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| 102 | } |
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| 103 | var _17={cx:_7.l+rx,cy:_7.t+ry,r:r}; |
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| 104 | this.dyn=[];
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| 105 | var _18=new Array(_f.length); |
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| 106 | dojo.some(_f,function(_19,i){
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| 107 | if(_19<=0){ |
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| 108 | return false; |
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| 109 | } |
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| 110 | var v=run[i],_1a=_14[i],_1b;
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| 111 | if(_19>=1){ |
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| 112 | _1b=this._plotFill(_1a.series.fill,_6,_7);
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| 113 | _1b=this._shapeFill(_1b,{x:_17.cx-_17.r,y:_17.cy-_17.r,width:2*_17.r,height:2*_17.r}); |
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| 114 | _1b=this._pseudoRadialFill(_1b,{x:_17.cx,y:_17.cy},_17.r); |
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| 115 | var _1c=s.createCircle(_17).setFill(_1b).setStroke(_1a.series.stroke);
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| 116 | this.dyn.push({fill:_1b,stroke:_1a.series.stroke}); |
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| 117 | if(_13){
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| 118 | var o={element:"slice",index:i,run:this.run,shape:_1c,x:i,y:typeof v=="number"?v:v.y,cx:_17.cx,cy:_17.cy,cr:r}; |
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| 119 | this._connectEvents(o);
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| 120 | _18[i]=o; |
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| 121 | } |
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| 122 | return true; |
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| 123 | } |
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| 124 | var end=_c+_19*2*Math.PI; |
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| 125 | if(i+1==_f.length){ |
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| 126 | end=_b+2*Math.PI;
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| 127 | } |
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| 128 | var _1d=end-_c,x1=_17.cx+r*Math.cos(_c),y1=_17.cy+r*Math.sin(_c),x2=_17.cx+r*Math.cos(end),y2=_17.cy+r*Math.sin(end);
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| 129 | var _1e=m._degToRad(this.opt.fanSize); |
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| 130 | if(_1a.series.fill&&_1a.series.fill.type==="radial"&&this.opt.radGrad==="fan"&&_1d>_1e){ |
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| 131 | var _1f=s.createGroup(),_20=Math.ceil(_1d/_1e),_21=_1d/_20;
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| 132 | _1b=this._shapeFill(_1a.series.fill,{x:_17.cx-_17.r,y:_17.cy-_17.r,width:2*_17.r,height:2*_17.r}); |
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| 133 | for(var j=0;j<_20;++j){ |
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| 134 | var _22=j==0?x1:_17.cx+r*Math.cos(_c+(j-_1)*_21),_23=j==0?y1:_17.cy+r*Math.sin(_c+(j-_1)*_21),_24=j==_20-1?x2:_17.cx+r*Math.cos(_c+(j+1+_1)*_21),_25=j==_20-1?y2:_17.cy+r*Math.sin(_c+(j+1+_1)*_21),fan=_1f.createPath({}).moveTo(_17.cx,_17.cy).lineTo(_22,_23).arcTo(r,r,0,_21>Math.PI,true,_24,_25).lineTo(_17.cx,_17.cy).closePath().setFill(this._pseudoRadialFill(_1b,{x:_17.cx,y:_17.cy},r,_c+(j+0.5)*_21,_c+(j+0.5)*_21)); |
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| 135 | } |
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| 136 | _1f.createPath({}).moveTo(_17.cx,_17.cy).lineTo(x1,y1).arcTo(r,r,0,_1d>Math.PI,true,x2,y2).lineTo(_17.cx,_17.cy).closePath().setStroke(_1a.series.stroke);
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| 137 | _1c=_1f; |
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| 138 | }else{
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| 139 | _1c=s.createPath({}).moveTo(_17.cx,_17.cy).lineTo(x1,y1).arcTo(r,r,0,_1d>Math.PI,true,x2,y2).lineTo(_17.cx,_17.cy).closePath().setStroke(_1a.series.stroke);
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| 140 | var _1b=_1a.series.fill;
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| 141 | if(_1b&&_1b.type==="radial"){ |
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| 142 | _1b=this._shapeFill(_1b,{x:_17.cx-_17.r,y:_17.cy-_17.r,width:2*_17.r,height:2*_17.r}); |
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| 143 | if(this.opt.radGrad==="linear"){ |
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| 144 | _1b=this._pseudoRadialFill(_1b,{x:_17.cx,y:_17.cy},r,_c,end); |
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| 145 | } |
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| 146 | }else{
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| 147 | if(_1b&&_1b.type==="linear"){ |
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| 148 | _1b=this._plotFill(_1b,_6,_7);
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| 149 | _1b=this._shapeFill(_1b,_1c.getBoundingBox());
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| 150 | } |
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| 151 | } |
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| 152 | _1c.setFill(_1b); |
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| 153 | } |
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| 154 | this.dyn.push({fill:_1b,stroke:_1a.series.stroke}); |
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| 155 | if(_13){
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| 156 | var o={element:"slice",index:i,run:this.run,shape:_1c,x:i,y:typeof v=="number"?v:v.y,cx:_17.cx,cy:_17.cy,cr:r}; |
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| 157 | this._connectEvents(o);
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| 158 | _18[i]=o; |
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| 159 | } |
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| 160 | _c=end; |
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| 161 | return false; |
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| 162 | },this);
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| 163 | if(this.opt.labels){ |
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| 164 | _c=_b; |
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| 165 | dojo.some(_f,function(_26,i){
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| 166 | if(_26<=0){ |
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| 167 | return false; |
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| 168 | } |
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| 169 | var _27=_14[i];
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| 170 | if(_26>=1){ |
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| 171 | var v=run[i],_28=da.createText[this.opt.htmlLabels&&dojox.gfx.renderer!="vml"?"html":"gfx"](this.chart,s,_17.cx,_17.cy+_9/2,"middle",_10[i],_27.series.font,_27.series.fontColor); |
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| 172 | if(this.opt.htmlLabels){ |
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| 173 | this.htmlElements.push(_28);
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| 174 | } |
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| 175 | return true; |
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| 176 | } |
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| 177 | var end=_c+_26*2*Math.PI,v=run[i]; |
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| 178 | if(i+1==_f.length){ |
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| 179 | end=_b+2*Math.PI;
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| 180 | } |
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| 181 | var _29=(_c+end)/2,x=_17.cx+_12*Math.cos(_29),y=_17.cy+_12*Math.sin(_29)+_9/2; |
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| 182 | var _28=da.createText[this.opt.htmlLabels&&dojox.gfx.renderer!="vml"?"html":"gfx"](this.chart,s,x,y,"middle",_10[i],_27.series.font,_27.series.fontColor); |
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| 183 | if(this.opt.htmlLabels){ |
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| 184 | this.htmlElements.push(_28);
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| 185 | } |
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| 186 | _c=end; |
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| 187 | return false; |
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| 188 | },this);
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| 189 | } |
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| 190 | var esi=0; |
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| 191 | this._eventSeries[this.run.name]=df.map(run,function(v){ |
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| 192 | return v<=0?null:_18[esi++]; |
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| 193 | }); |
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| 194 | return this; |
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| 195 | },_getLabel:function(_2a){ |
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| 196 | return this.opt.fixed?dojo.number.format(_2a,{places:this.opt.precision}):_2a.toString(); |
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| 197 | }}); |
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| 198 | })(); |
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| 199 | } |