Andrej Cimperšek - diploma

/*

        Copyright (c) 2004-2010, 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,animate:null},optionalParams:{minBarSize:1,maxBarSize:1,stroke:{},outline:{},shadow:{},fill:{},font:"",fontColor:""},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;

this.animate=this.opt.animate;

},collectStats:function(_4){

var _5=dojo.delegate(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){

if(_9!==null){

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;

},getSeriesStats:function(){

var _b=this.collectStats(this.series);

_b.hmin-=0.5;

_b.hmax+=0.5;

return _b;

},render:function(_c,_d){

if(this.zoom&&!this.isDataDirty()){

return this.performZoom(_c,_d);

}

this.resetEvents();

this.dirty=this.isDirty();

if(this.dirty){

dojo.forEach(this.series,_1);

this._eventSeries={};

this.cleanGroup();

var s=this.group;

df.forEachRev(this.series,function(_e){

_e.cleanGroup(s);

});

}

var t=this.chart.theme,f,_f,_10,ht=this._hScaler.scaler.getTransformerFromModel(this._hScaler),vt=this._vScaler.scaler.getTransformerFromModel(this._vScaler),_11=Math.max(0,this._vScaler.bounds.lower),_12=vt(_11),_13=this.events();

f=dc.calculateBarSize(this._hScaler.bounds.scale,this.opt);

_f=f.gap;

_10=f.size;

for(var i=this.series.length-1;i>=0;--i){

var run=this.series[i];

if(!this.dirty&&!run.dirty){

t.skip();

this._reconnectEvents(run.name);

continue;

}

run.cleanGroup();

var _14=t.next("candlestick",[this.opt,run]),s=run.group,_15=new Array(run.data.length);

for(var j=0;j<run.data.length;++j){

var v=run.data[j];

if(v!==null){

var _16=t.addMixin(_14,"candlestick",v,true);

var x=ht(v.x||(j+0.5))+_d.l+_f,y=_c.height-_d.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(_10>=1){

var _1a=_17>_18;

var _1b={x1:_10/2,x2:_10/2,y1:y-_19,y2:y-low},_1c={x:0,y:y-Math.max(_17,_18),width:_10,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(_16.series.stroke);

_1d.createRect(_1c).setStroke(_16.series.stroke).setFill(_1a?_16.series.fill:"white");

if("mid" in v){

_1d.createLine({x1:(_16.series.stroke.width||1),x2:_10-(_16.series.stroke.width||1),y1:y-mid,y2:y-mid}).setStroke(_1a?"white":_16.series.stroke);

}

run.dyn.fill=_16.series.fill;

run.dyn.stroke=_16.series.stroke;

if(_13){

var o={element:"candlestick",index:j,run:run,shape:_1d,x:x,y:y-Math.max(_17,_18),cx:_10/2,cy:(y-Math.max(_17,_18))+(Math.max(_1a?_17-_18:_18-_17,1)/2),width:_10,height:Math.max(_1a?_17-_18:_18-_17,1),data:v};

this._connectEvents(o);

_15[j]=o;

}

}

if(this.animate){

this._animateCandlesticks(shape,y-low,_19-low);

}

}

}

this._eventSeries[run.name]=_15;

run.dirty=false;

}

this.dirty=false;

return this;

},_animateCandlesticks:function(_1e,_1f,_20){

dojox.gfx.fx.animateTransform(dojo.delegate({shape:_1e,duration:1200,transform:[{name:"translate",start:[0,_1f-(_1f/_20)],end:[0,0]},{name:"scale",start:[1,1/_20],end:[1,1]},{name:"original"}]},this.animate)).play();

}});

})();

}