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root / trunk / web / dojo / dojox / charting / plot2d / Scatter.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.Scatter"]){
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dojo._hasResource["dojox.charting.plot2d.Scatter"]=true;
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dojo.provide("dojox.charting.plot2d.Scatter");
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dojo.require("dojox.charting.plot2d.common");
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dojo.require("dojox.charting.plot2d.Base");
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dojo.require("dojox.lang.utils");
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dojo.require("dojox.lang.functional");
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dojo.require("dojox.lang.functional.reversed");
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dojo.require("dojox.gfx.gradutils");
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(function(){
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var df=dojox.lang.functional,du=dojox.lang.utils,dc=dojox.charting.plot2d.common,_1=df.lambda("item.purgeGroup()");
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dojo.declare("dojox.charting.plot2d.Scatter",dojox.charting.plot2d.Base,{defaultParams:{hAxis:"x",vAxis:"y",shadows:null,animate:null},optionalParams:{markerStroke:{},markerOutline:{},markerShadow:{},markerFill:{},markerFont:"",markerFontColor:""},constructor:function(_2,_3){
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this.opt=dojo.clone(this.defaultParams);
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du.updateWithObject(this.opt,_3);
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this.series=[];
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this.hAxis=this.opt.hAxis;
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this.vAxis=this.opt.vAxis;
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this.animate=this.opt.animate;
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},render:function(_4,_5){
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if(this.zoom&&!this.isDataDirty()){
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return this.performZoom(_4,_5);
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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(_6){
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_6.cleanGroup(s);
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});
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}
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var t=this.chart.theme,_7=this.events();
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for(var i=this.series.length-1;i>=0;--i){
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var _8=this.series[i];
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if(!this.dirty&&!_8.dirty){
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t.skip();
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this._reconnectEvents(_8.name);
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continue;
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}
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_8.cleanGroup();
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if(!_8.data.length){
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_8.dirty=false;
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t.skip();
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continue;
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}
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var _9=t.next("marker",[this.opt,_8]),s=_8.group,_a,ht=this._hScaler.scaler.getTransformerFromModel(this._hScaler),vt=this._vScaler.scaler.getTransformerFromModel(this._vScaler);
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if(typeof _8.data[0]=="number"){
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_a=dojo.map(_8.data,function(v,i){
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return {x:ht(i+1)+_5.l,y:_4.height-_5.b-vt(v)};
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},this);
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}else{
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_a=dojo.map(_8.data,function(v,i){
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return {x:ht(v.x)+_5.l,y:_4.height-_5.b-vt(v.y)};
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},this);
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}
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var _b=new Array(_a.length),_c=new Array(_a.length),_d=new Array(_a.length);
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dojo.forEach(_a,function(c,i){
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var _e=typeof _8.data[i]=="number"?t.post(_9,"marker"):t.addMixin(_9,"marker",_8.data[i],true),_f="M"+c.x+" "+c.y+" "+_e.symbol;
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if(_e.marker.shadow){
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_b[i]=s.createPath("M"+(c.x+_e.marker.shadow.dx)+" "+(c.y+_e.marker.shadow.dy)+" "+_e.symbol).setStroke(_e.marker.shadow).setFill(_e.marker.shadow.color);
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if(this.animate){
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this._animateScatter(_b[i],_4.height-_5.b);
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}
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}
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if(_e.marker.outline){
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var _10=dc.makeStroke(_e.marker.outline);
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_10.width=2*_10.width+_e.marker.stroke.width;
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_d[i]=s.createPath(_f).setStroke(_10);
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if(this.animate){
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this._animateScatter(_d[i],_4.height-_5.b);
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}
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}
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var _11=dc.makeStroke(_e.marker.stroke),_12=this._plotFill(_e.marker.fill,_4,_5);
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if(_12&&(_12.type==="linear"||_12.type=="radial")){
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var _13=dojox.gfx.gradutils.getColor(_12,{x:c.x,y:c.y});
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if(_11){
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_11.color=_13;
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}
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_c[i]=s.createPath(_f).setStroke(_11).setFill(_13);
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}else{
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_c[i]=s.createPath(_f).setStroke(_11).setFill(_12);
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}
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if(this.animate){
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this._animateScatter(_c[i],_4.height-_5.b);
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}
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},this);
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if(_c.length){
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_8.dyn.stroke=_c[_c.length-1].getStroke();
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_8.dyn.fill=_c[_c.length-1].getFill();
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}
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if(_7){
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var _14=new Array(_c.length);
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dojo.forEach(_c,function(s,i){
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var o={element:"marker",index:i,run:_8,shape:s,outline:_d&&_d[i]||null,shadow:_b&&_b[i]||null,cx:_a[i].x,cy:_a[i].y};
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if(typeof _8.data[0]=="number"){
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o.x=i+1;
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o.y=_8.data[i];
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}else{
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o.x=_8.data[i].x;
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o.y=_8.data[i].y;
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}
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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[_8.name]=_14;
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}else{
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delete this._eventSeries[_8.name];
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}
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_8.dirty=false;
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}
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this.dirty=false;
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return this;
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},_animateScatter:function(_15,_16){
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dojox.gfx.fx.animateTransform(dojo.delegate({shape:_15,duration:1200,transform:[{name:"translate",start:[0,_16],end:[0,0]},{name:"scale",start:[0,0],end:[1,1]},{name:"original"}]},this.animate)).play();
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}});
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})();
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}