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root / trunk / web / dojo / dojox / charting / plot2d / Stacked.js @ 12

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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.plot2d.Stacked"]){
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dojo._hasResource["dojox.charting.plot2d.Stacked"]=true;
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dojo.provide("dojox.charting.plot2d.Stacked");
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dojo.require("dojox.charting.plot2d.common");
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dojo.require("dojox.charting.plot2d.Default");
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dojo.require("dojox.lang.functional");
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dojo.require("dojox.lang.functional.sequence");
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dojo.require("dojox.lang.functional.reversed");
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(function(){
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var df=dojox.lang.functional,dc=dojox.charting.plot2d.common,_1=df.lambda("item.purgeGroup()");
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dojo.declare("dojox.charting.plot2d.Stacked",dojox.charting.plot2d.Default,{getSeriesStats:function(){
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var _2=dc.collectStackedStats(this.series);
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this._maxRunLength=_2.hmax;
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return _2;
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},render:function(_3,_4){
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if(this._maxRunLength<=0){
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return this;
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}
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var _5=df.repeat(this._maxRunLength,"-> 0",0);
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for(var i=0;i<this.series.length;++i){
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var _6=this.series[i];
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for(var j=0;j<_6.data.length;++j){
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var v=_6.data[j];
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if(v!==null){
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if(isNaN(v)){
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v=0;
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}
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_5[j]+=v;
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}
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}
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}
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if(this.zoom&&!this.isDataDirty()){
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return this.performZoom(_3,_4);
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}
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this.resetEvents();
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this.dirty=this.isDirty();
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if(this.dirty){
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dojo.forEach(this.series,_1);
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this._eventSeries={};
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this.cleanGroup();
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var s=this.group;
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df.forEachRev(this.series,function(_7){
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_7.cleanGroup(s);
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});
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}
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var t=this.chart.theme,_8=this.events(),ht=this._hScaler.scaler.getTransformerFromModel(this._hScaler),vt=this._vScaler.scaler.getTransformerFromModel(this._vScaler);
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for(var i=this.series.length-1;i>=0;--i){
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var _6=this.series[i];
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if(!this.dirty&&!_6.dirty){
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t.skip();
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this._reconnectEvents(_6.name);
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continue;
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}
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_6.cleanGroup();
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var _9=t.next(this.opt.areas?"area":"line",[this.opt,_6],true),s=_6.group,_a,_b=dojo.map(_5,function(v,i){
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return {x:ht(i+1)+_4.l,y:_3.height-_4.b-vt(v)};
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},this);
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var _c=this.opt.tension?dc.curve(_b,this.opt.tension):"";
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if(this.opt.areas){
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var _d=dojo.clone(_b);
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if(this.opt.tension){
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var p=dc.curve(_d,this.opt.tension);
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p+=" L"+_b[_b.length-1].x+","+(_3.height-_4.b)+" L"+_b[0].x+","+(_3.height-_4.b)+" L"+_b[0].x+","+_b[0].y;
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_6.dyn.fill=s.createPath(p).setFill(_9.series.fill).getFill();
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}else{
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_d.push({x:_b[_b.length-1].x,y:_3.height-_4.b});
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_d.push({x:_b[0].x,y:_3.height-_4.b});
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_d.push(_b[0]);
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_6.dyn.fill=s.createPolyline(_d).setFill(_9.series.fill).getFill();
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}
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}
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if(this.opt.lines||this.opt.markers){
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if(_9.series.outline){
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_a=dc.makeStroke(_9.series.outline);
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_a.width=2*_a.width+_9.series.stroke.width;
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}
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}
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if(this.opt.markers){
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_6.dyn.marker=_9.symbol;
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}
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var _e,_f,_10;
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if(_9.series.shadow&&_9.series.stroke){
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var _11=_9.series.shadow,_12=dojo.map(_b,function(c){
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return {x:c.x+_11.dx,y:c.y+_11.dy};
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});
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if(this.opt.lines){
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if(this.opt.tension){
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_6.dyn.shadow=s.createPath(dc.curve(_12,this.opt.tension)).setStroke(_11).getStroke();
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}else{
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_6.dyn.shadow=s.createPolyline(_12).setStroke(_11).getStroke();
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}
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}
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if(this.opt.markers){
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_11=_9.marker.shadow;
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_10=dojo.map(_12,function(c){
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return s.createPath("M"+c.x+" "+c.y+" "+_9.symbol).setStroke(_11).setFill(_11.color);
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},this);
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}
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}
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if(this.opt.lines){
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if(_a){
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if(this.opt.tension){
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_6.dyn.outline=s.createPath(_c).setStroke(_a).getStroke();
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}else{
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_6.dyn.outline=s.createPolyline(_b).setStroke(_a).getStroke();
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}
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}
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if(this.opt.tension){
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_6.dyn.stroke=s.createPath(_c).setStroke(_9.series.stroke).getStroke();
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}else{
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_6.dyn.stroke=s.createPolyline(_b).setStroke(_9.series.stroke).getStroke();
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}
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}
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if(this.opt.markers){
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_e=new Array(_b.length);
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_f=new Array(_b.length);
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_a=null;
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if(_9.marker.outline){
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_a=dc.makeStroke(_9.marker.outline);
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_a.width=2*_a.width+(_9.marker.stroke?_9.marker.stroke.width:0);
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}
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dojo.forEach(_b,function(c,i){
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var _13="M"+c.x+" "+c.y+" "+_9.symbol;
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if(_a){
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_f[i]=s.createPath(_13).setStroke(_a);
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}
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_e[i]=s.createPath(_13).setStroke(_9.marker.stroke).setFill(_9.marker.fill);
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},this);
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if(_8){
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var _14=new Array(_e.length);
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dojo.forEach(_e,function(s,i){
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var o={element:"marker",index:i,run:_6,shape:s,outline:_f[i]||null,shadow:_10&&_10[i]||null,cx:_b[i].x,cy:_b[i].y,x:i+1,y:_6.data[i]};
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this._connectEvents(o);
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_14[i]=o;
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},this);
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this._eventSeries[_6.name]=_14;
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}else{
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delete this._eventSeries[_6.name];
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}
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}
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_6.dirty=false;
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for(var j=0;j<_6.data.length;++j){
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var v=_6.data[j];
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if(v!==null){
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if(isNaN(v)){
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v=0;
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}
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_5[j]-=v;
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}
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}
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}
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this.dirty=false;
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return this;
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}});
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})();
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}