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- /*
- Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
- Available via Academic Free License >= 2.1 OR the modified BSD license.
- see: http://dojotoolkit.org/license for details
- */
- if(!dojo._hasResource["dojox.charting.plot2d.Pie"]){dojo._hasResource["dojox.charting.plot2d.Pie"]=true;dojo.provide("dojox.charting.plot2d.Pie");dojo.require("dojox.charting.Element");dojo.require("dojox.charting.axis2d.common");dojo.require("dojox.charting.plot2d.common");dojo.require("dojox.lang.functional");dojo.require("dojox.gfx");(function(){var df=dojox.lang.functional,du=dojox.lang.utils,dc=dojox.charting.plot2d.common,da=dojox.charting.axis2d.common,g=dojox.gfx;dojo.declare("dojox.charting.plot2d.Pie",dojox.charting.Element,{defaultParams:{labels:true,ticks:false,fixed:true,precision:1,labelOffset:20,labelStyle:"default",htmlLabels:true},optionalParams:{font:"",fontColor:"",radius:0},constructor:function(_1,_2){this.opt=dojo.clone(this.defaultParams);du.updateWithObject(this.opt,_2);du.updateWithPattern(this.opt,_2,this.optionalParams);this.run=null;this.dyn=[];},destroy:function(){this.resetEvents();this.inherited(arguments);},clear:function(){this.dirty=true;this.dyn=[];this.run=null;return this;},setAxis:function(_3){return this;},addSeries:function(_4){this.run=_4;return this;},calculateAxes:function(_5){return this;},getRequiredColors:function(){return this.run?this.run.data.length:0;},plotEvent:function(o){},connect:function(_6,_7){this.dirty=true;return dojo.connect(this,"plotEvent",_6,_7);},events:function(){var ls=this.plotEvent._listeners;if(!ls||!ls.length){return false;}for(var i in ls){if(!(i in Array.prototype)){return true;}}return false;},resetEvents:function(){this.plotEvent({type:"onplotreset",plot:this});},_connectEvents:function(_8,o){_8.connect("onmouseover",this,function(e){o.type="onmouseover";o.event=e;this.plotEvent(o);});_8.connect("onmouseout",this,function(e){o.type="onmouseout";o.event=e;this.plotEvent(o);});_8.connect("onclick",this,function(e){o.type="onclick";o.event=e;this.plotEvent(o);});},render:function(_9,_a){if(!this.dirty){return this;}this.dirty=false;this.cleanGroup();var s=this.group,_b,t=this.chart.theme;this.resetEvents();if(!this.run||!this.run.data.length){return this;}var rx=(_9.width-_a.l-_a.r)/2,ry=(_9.height-_a.t-_a.b)/2,r=Math.min(rx,ry),_c="font" in this.opt?this.opt.font:t.axis.font,_d=_c?g.normalizedLength(g.splitFontString(_c).size):0,_e="fontColor" in this.opt?this.opt.fontColor:t.axis.fontColor,_f=0,_10,_11,_12,_13,_14,_15,run=this.run.data,_16=this.events();if(typeof run[0]=="number"){_11=df.map(run,"Math.max(x, 0)");if(df.every(_11,"<= 0")){return this;}_12=df.map(_11,"/this",df.foldl(_11,"+",0));if(this.opt.labels){_13=dojo.map(_12,function(x){return x>0?this._getLabel(x*100)+"%":"";},this);}}else{_11=df.map(run,"Math.max(x.y, 0)");if(df.every(_11,"<= 0")){return this;}_12=df.map(_11,"/this",df.foldl(_11,"+",0));if(this.opt.labels){_13=dojo.map(_12,function(x,i){if(x<=0){return "";}var v=run[i];return "text" in v?v.text:this._getLabel(x*100)+"%";},this);}}if(this.opt.labels){_14=df.foldl1(df.map(_13,function(_17){return dojox.gfx._base._getTextBox(_17,{font:_c}).w;},this),"Math.max(a, b)")/2;if(this.opt.labelOffset<0){r=Math.min(rx-2*_14,ry-_d)+this.opt.labelOffset;}_15=r-this.opt.labelOffset;}if("radius" in this.opt){r=this.opt.radius;_15=r-this.opt.labelOffset;}var _18={cx:_a.l+rx,cy:_a.t+ry,r:r};this.dyn=[];dojo.some(_12,function(_19,i){if(_19<=0){return false;}var v=run[i];if(_19>=1){var _1a,_1b,_1c;if(typeof v=="object"){_1a="color" in v?v.color:new dojo.Color(t.next("color"));_1b="fill" in v?v.fill:dc.augmentFill(t.series.fill,_1a);_1c="stroke" in v?v.stroke:dc.augmentStroke(t.series.stroke,_1a);}else{_1a=new dojo.Color(t.next("color"));_1b=dc.augmentFill(t.series.fill,_1a);_1c=dc.augmentStroke(t.series.stroke,_1a);}var _1d=s.createCircle(_18).setFill(_1b).setStroke(_1c);this.dyn.push({color:_1a,fill:_1b,stroke:_1c});if(_16){var o={element:"slice",index:i,run:this.run,plot:this,shape:_1d,x:i,y:typeof v=="number"?v:v.y,cx:_18.cx,cy:_18.cy,cr:r};this._connectEvents(_1d,o);}return true;}var end=_f+_19*2*Math.PI;if(i+1==_12.length){end=2*Math.PI;}var _1e=end-_f,x1=_18.cx+r*Math.cos(_f),y1=_18.cy+r*Math.sin(_f),x2=_18.cx+r*Math.cos(end),y2=_18.cy+r*Math.sin(end);var _1a,_1b,_1c;if(typeof v=="object"){_1a="color" in v?v.color:new dojo.Color(t.next("color"));_1b="fill" in v?v.fill:dc.augmentFill(t.series.fill,_1a);_1c="stroke" in v?v.stroke:dc.augmentStroke(t.series.stroke,_1a);}else{_1a=new dojo.Color(t.next("color"));_1b=dc.augmentFill(t.series.fill,_1a);_1c=dc.augmentStroke(t.series.stroke,_1a);}var _1d=s.createPath({}).moveTo(_18.cx,_18.cy).lineTo(x1,y1).arcTo(r,r,0,_1e>Math.PI,true,x2,y2).lineTo(_18.cx,_18.cy).closePath().setFill(_1b).setStroke(_1c);this.dyn.push({color:_1a,fill:_1b,stroke:_1c});if(_16){var o={element:"slice",index:i,run:this.run,plot:this,shape:_1d,x:i,y:typeof v=="number"?v:v.y,cx:_18.cx,cy:_18.cy,cr:r};this._connectEvents(_1d,o);}_f=end;return false;},this);if(this.opt.labels){_f=0;dojo.some(_12,function(_1f,i){if(_1f<=0){return false;}if(_1f>=1){var v=run[i],_20=da.createText[this.opt.htmlLabels&&dojox.gfx.renderer!="vml"?"html":"gfx"](this.chart,s,_18.cx,_18.cy+_d/2,"middle",_13[i],_c,(typeof v=="object"&&"fontColor" in v)?v.fontColor:_e);if(this.opt.htmlLabels){this.htmlElements.push(_20);}return true;}var end=_f+_1f*2*Math.PI,v=run[i];if(i+1==_12.length){end=2*Math.PI;}var _21=(_f+end)/2,x=_18.cx+_15*Math.cos(_21),y=_18.cy+_15*Math.sin(_21)+_d/2;var _20=da.createText[this.opt.htmlLabels&&dojox.gfx.renderer!="vml"?"html":"gfx"](this.chart,s,x,y,"middle",_13[i],_c,(typeof v=="object"&&"fontColor" in v)?v.fontColor:_e);if(this.opt.htmlLabels){this.htmlElements.push(_20);}_f=end;return false;},this);}return this;},_getLabel:function(_22){return this.opt.fixed?_22.toFixed(this.opt.precision):_22.toString();}});})();}
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