root / trunk / web / dojo / dojox / charting / plot2d / Base.js @ 11
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.charting.plot2d.Base"]){ |
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| 9 | dojo._hasResource["dojox.charting.plot2d.Base"]=true; |
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| 10 | dojo.provide("dojox.charting.plot2d.Base");
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| 11 | dojo.require("dojox.charting.scaler.primitive");
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| 12 | dojo.require("dojox.charting.Element");
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| 13 | dojo.require("dojox.charting.plot2d.common");
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| 14 | dojo.require("dojox.charting.plot2d._PlotEvents");
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| 15 | dojo.declare("dojox.charting.plot2d.Base",[dojox.charting.Element,dojox.charting.plot2d._PlotEvents],{constructor:function(_1,_2){ |
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| 16 | this.zoom=null,this.zoomQueue=[]; |
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| 17 | this.lastWindow={vscale:1,hscale:1,xoffset:0,yoffset:0}; |
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| 18 | },clear:function(){ |
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| 19 | this.series=[];
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| 20 | this._hAxis=null; |
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| 21 | this._vAxis=null; |
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| 22 | this.dirty=true; |
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| 23 | return this; |
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| 24 | },setAxis:function(_3){ |
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| 25 | if(_3){
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| 26 | this[_3.vertical?"_vAxis":"_hAxis"]=_3; |
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| 27 | } |
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| 28 | return this; |
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| 29 | },addSeries:function(_4){ |
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| 30 | this.series.push(_4);
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| 31 | return this; |
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| 32 | },getSeriesStats:function(){ |
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| 33 | return dojox.charting.plot2d.common.collectSimpleStats(this.series); |
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| 34 | },calculateAxes:function(_5){ |
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| 35 | this.initializeScalers(_5,this.getSeriesStats()); |
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| 36 | return this; |
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| 37 | },isDirty:function(){ |
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| 38 | return this.dirty||this._hAxis&&this._hAxis.dirty||this._vAxis&&this._vAxis.dirty; |
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| 39 | },isDataDirty:function(){ |
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| 40 | return dojo.some(this.series,function(_6){ |
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| 41 | return _6.dirty;
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| 42 | }); |
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| 43 | },performZoom:function(_7,_8){ |
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| 44 | 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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| 45 | 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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| 46 | dojo.mixin(this.lastWindow,{vscale:vs,hscale:hs,xoffset:_b,yoffset:_d}); |
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| 47 | this.zoomQueue.push(anim);
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| 48 | dojo.connect(anim,"onEnd",this,function(){ |
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| 49 | this.zoom=null; |
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| 50 | this.zoomQueue.shift();
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| 51 | if(this.zoomQueue.length>0){ |
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| 52 | this.zoomQueue[0].play(); |
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| 53 | } |
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| 54 | }); |
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| 55 | if(this.zoomQueue.length==1){ |
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| 56 | this.zoomQueue[0].play(); |
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| 57 | } |
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| 58 | return this; |
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| 59 | },render:function(_e,_f){ |
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| 60 | return this; |
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| 61 | },getRequiredColors:function(){ |
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| 62 | return this.series.length; |
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| 63 | },initializeScalers:function(dim,_10){ |
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| 64 | if(this._hAxis){ |
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| 65 | if(!this._hAxis.initialized()){ |
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| 66 | this._hAxis.calculate(_10.hmin,_10.hmax,dim.width);
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| 67 | } |
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| 68 | this._hScaler=this._hAxis.getScaler(); |
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| 69 | }else{
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| 70 | this._hScaler=dojox.charting.scaler.primitive.buildScaler(_10.hmin,_10.hmax,dim.width);
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| 71 | } |
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| 72 | if(this._vAxis){ |
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| 73 | if(!this._vAxis.initialized()){ |
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| 74 | this._vAxis.calculate(_10.vmin,_10.vmax,dim.height);
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| 75 | } |
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| 76 | this._vScaler=this._vAxis.getScaler(); |
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| 77 | }else{
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| 78 | this._vScaler=dojox.charting.scaler.primitive.buildScaler(_10.vmin,_10.vmax,dim.height);
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| 79 | } |
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| 80 | return this; |
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| 81 | }}); |
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| 82 | } |