| /* |
| 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.Candlesticks"]){ |
| dojo._hasResource["dojox.charting.plot2d.Candlesticks"]=true; |
| dojo.provide("dojox.charting.plot2d.Candlesticks"); |
| dojo.require("dojox.charting.plot2d.common"); |
| dojo.require("dojox.charting.plot2d.Base"); |
| dojo.require("dojox.lang.utils"); |
| dojo.require("dojox.lang.functional"); |
| dojo.require("dojox.lang.functional.reversed"); |
| (function(){ |
| var df=dojox.lang.functional,du=dojox.lang.utils,dc=dojox.charting.plot2d.common,_1=df.lambda("item.purgeGroup()"); |
| dojo.declare("dojox.charting.plot2d.Candlesticks",dojox.charting.plot2d.Base,{defaultParams:{hAxis:"x",vAxis:"y",gap:2,shadows:null},optionalParams:{minBarSize:1,maxBarSize:1},constructor:function(_2,_3){ |
| this.opt=dojo.clone(this.defaultParams); |
| du.updateWithObject(this.opt,_3); |
| du.updateWithPattern(this.opt,_3,this.optionalParams); |
| this.series=[]; |
| this.hAxis=this.opt.hAxis; |
| this.vAxis=this.opt.vAxis; |
| },collectStats:function(_4){ |
| var _5=dojo.clone(dc.defaultStats); |
| for(var i=0;i<_4.length;i++){ |
| var _6=_4[i]; |
| if(!_6.data.length){ |
| continue; |
| } |
| var _7=_5.vmin,_8=_5.vmax; |
| if(!("ymin" in _6)||!("ymax" in _6)){ |
| dojo.forEach(_6.data,function(_9,_a){ |
| var x=_9.x||_a+1; |
| _5.hmin=Math.min(_5.hmin,x); |
| _5.hmax=Math.max(_5.hmax,x); |
| _5.vmin=Math.min(_5.vmin,_9.open,_9.close,_9.high,_9.low); |
| _5.vmax=Math.max(_5.vmax,_9.open,_9.close,_9.high,_9.low); |
| }); |
| } |
| if("ymin" in _6){ |
| _5.vmin=Math.min(_7,_6.ymin); |
| } |
| if("ymax" in _6){ |
| _5.vmax=Math.max(_8,_6.ymax); |
| } |
| } |
| return _5; |
| },calculateAxes:function(_b){ |
| var _c=this.collectStats(this.series),t; |
| _c.hmin-=0.5; |
| _c.hmax+=0.5; |
| this._calc(_b,_c); |
| return this; |
| },render:function(_d,_e){ |
| this.dirty=this.isDirty(); |
| if(this.dirty){ |
| dojo.forEach(this.series,_1); |
| this.cleanGroup(); |
| var s=this.group; |
| df.forEachRev(this.series,function(_f){ |
| _f.cleanGroup(s); |
| }); |
| } |
| var t=this.chart.theme,_10,_11,_12,f,gap,_13,ht=this._hScaler.scaler.getTransformerFromModel(this._hScaler),vt=this._vScaler.scaler.getTransformerFromModel(this._vScaler),_14=Math.max(0,this._vScaler.bounds.lower),_15=vt(_14),_16=this.events(); |
| f=dc.calculateBarSize(this._hScaler.bounds.scale,this.opt); |
| gap=f.gap; |
| _13=f.size; |
| this.resetEvents(); |
| for(var i=this.series.length-1;i>=0;--i){ |
| var run=this.series[i]; |
| if(!this.dirty&&!run.dirty){ |
| continue; |
| } |
| run.cleanGroup(); |
| var s=run.group; |
| if(!run.fill||!run.stroke){ |
| _10=run.dyn.color=new dojo.Color(t.next("color")); |
| } |
| _11=run.stroke?run.stroke:dc.augmentStroke(t.series.stroke,_10); |
| _12=run.fill?run.fill:dc.augmentFill(t.series.fill,_10); |
| for(var j=0;j<run.data.length;++j){ |
| var v=run.data[j]; |
| var x=ht(v.x||(j+0.5))+_e.l+gap,y=_d.height-_e.b,_17=vt(v.open),_18=vt(v.close),_19=vt(v.high),low=vt(v.low); |
| if("mid" in v){ |
| var mid=vt(v.mid); |
| } |
| if(low>_19){ |
| var tmp=_19; |
| _19=low; |
| low=tmp; |
| } |
| if(_13>=1){ |
| var _1a=_17>_18; |
| var _1b={x1:_13/2,x2:_13/2,y1:y-_19,y2:y-low},_1c={x:0,y:y-Math.max(_17,_18),width:_13,height:Math.max(_1a?_17-_18:_18-_17,1)}; |
| shape=s.createGroup(); |
| shape.setTransform({dx:x,dy:0}); |
| var _1d=shape.createGroup(); |
| _1d.createLine(_1b).setStroke(_11); |
| _1d.createRect(_1c).setStroke(_11).setFill(_1a?_12:"white"); |
| if("mid" in v){ |
| _1d.createLine({x1:(_11.width||1),x2:_13-(_11.width||1),y1:y-mid,y2:y-mid}).setStroke(_1a?{color:"white"}:_11); |
| } |
| run.dyn.fill=_12; |
| run.dyn.stroke=_11; |
| if(_16){ |
| var o={element:"candlestick",index:j,run:run,plot:this,hAxis:this.hAxis||null,vAxis:this.vAxis||null,shape:_1d,x:x,y:y-Math.max(_17,_18),cx:_13/2,cy:(y-Math.max(_17,_18))+(Math.max(_1a?_17-_18:_18-_17,1)/2),width:_13,height:Math.max(_1a?_17-_18:_18-_17,1),data:v}; |
| this._connectEvents(shape,o); |
| } |
| } |
| } |
| run.dirty=false; |
| } |
| this.dirty=false; |
| return this; |
| }}); |
| })(); |
| } |