root / trunk / web / dojo / dojox / charting / plot2d / Base.js
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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.Base"]){ |
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dojo._hasResource["dojox.charting.plot2d.Base"]=true; |
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dojo.provide("dojox.charting.plot2d.Base");
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dojo.require("dojox.charting.scaler.primitive");
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dojo.require("dojox.charting.Element");
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dojo.require("dojox.charting.plot2d.common");
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dojo.require("dojox.charting.plot2d._PlotEvents");
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dojo.declare("dojox.charting.plot2d.Base",[dojox.charting.Element,dojox.charting.plot2d._PlotEvents],{constructor:function(_1,_2){ |
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this.zoom=null,this.zoomQueue=[]; |
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this.lastWindow={vscale:1,hscale:1,xoffset:0,yoffset:0}; |
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},clear:function(){ |
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this.series=[];
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this._hAxis=null; |
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this._vAxis=null; |
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this.dirty=true; |
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return this; |
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},setAxis:function(_3){ |
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if(_3){
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this[_3.vertical?"_vAxis":"_hAxis"]=_3; |
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} |
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return this; |
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},addSeries:function(_4){ |
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this.series.push(_4);
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return this; |
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},getSeriesStats:function(){ |
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return dojox.charting.plot2d.common.collectSimpleStats(this.series); |
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},calculateAxes:function(_5){ |
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this.initializeScalers(_5,this.getSeriesStats()); |
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return this; |
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},isDirty:function(){ |
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return this.dirty||this._hAxis&&this._hAxis.dirty||this._vAxis&&this._vAxis.dirty; |
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},isDataDirty:function(){ |
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return dojo.some(this.series,function(_6){ |
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return _6.dirty;
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}); |
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},performZoom:function(_7,_8){ |
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var vs=this._vAxis.scale||1,hs=this._hAxis.scale||1,_9=_7.height-_8.b,_a=this._hScaler.bounds,_b=(_a.from-_a.lower)*_a.scale,_c=this._vScaler.bounds,_d=(_c.from-_c.lower)*_c.scale; |
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rVScale=vs/this.lastWindow.vscale,rHScale=hs/this.lastWindow.hscale,rXOffset=(this.lastWindow.xoffset-_b)/((this.lastWindow.hscale==1)?hs:this.lastWindow.hscale),rYOffset=(_d-this.lastWindow.yoffset)/((this.lastWindow.vscale==1)?vs:this.lastWindow.vscale),shape=this.group,anim=dojox.gfx.fx.animateTransform(dojo.delegate({shape:shape,duration:1200,transform:[{name:"translate",start:[0,0],end:[_8.l*(1-rHScale),_9*(1-rVScale)]},{name:"scale",start:[1,1],end:[rHScale,rVScale]},{name:"original"},{name:"translate",start:[0,0],end:[rXOffset,rYOffset]}]},this.zoom)); |
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dojo.mixin(this.lastWindow,{vscale:vs,hscale:hs,xoffset:_b,yoffset:_d}); |
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this.zoomQueue.push(anim);
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dojo.connect(anim,"onEnd",this,function(){ |
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this.zoom=null; |
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this.zoomQueue.shift();
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if(this.zoomQueue.length>0){ |
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this.zoomQueue[0].play(); |
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} |
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}); |
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if(this.zoomQueue.length==1){ |
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this.zoomQueue[0].play(); |
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} |
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return this; |
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},render:function(_e,_f){ |
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return this; |
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},getRequiredColors:function(){ |
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return this.series.length; |
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},initializeScalers:function(dim,_10){ |
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if(this._hAxis){ |
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if(!this._hAxis.initialized()){ |
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this._hAxis.calculate(_10.hmin,_10.hmax,dim.width);
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} |
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this._hScaler=this._hAxis.getScaler(); |
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}else{
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this._hScaler=dojox.charting.scaler.primitive.buildScaler(_10.hmin,_10.hmax,dim.width);
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} |
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if(this._vAxis){ |
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if(!this._vAxis.initialized()){ |
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this._vAxis.calculate(_10.vmin,_10.vmax,dim.height);
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} |
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this._vScaler=this._vAxis.getScaler(); |
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}else{
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this._vScaler=dojox.charting.scaler.primitive.buildScaler(_10.vmin,_10.vmax,dim.height);
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} |
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return this; |
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}}); |
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} |