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root / trunk / web / dojo / dojox / gfx / Mover.js

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1 9 andrej.cim
/*
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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.gfx.Mover"]){
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dojo._hasResource["dojox.gfx.Mover"]=true;
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dojo.provide("dojox.gfx.Mover");
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dojo.declare("dojox.gfx.Mover",null,{constructor:function(_1,e,_2){
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this.shape=_1;
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this.lastX=e.clientX;
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this.lastY=e.clientY;
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var h=this.host=_2,d=document,_3=dojo.connect(d,"onmousemove",this,"onFirstMove");
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this.events=[dojo.connect(d,"onmousemove",this,"onMouseMove"),dojo.connect(d,"onmouseup",this,"destroy"),dojo.connect(d,"ondragstart",dojo,"stopEvent"),dojo.connect(d,"onselectstart",dojo,"stopEvent"),_3];
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if(h&&h.onMoveStart){
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h.onMoveStart(this);
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}
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},onMouseMove:function(e){
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var x=e.clientX;
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var y=e.clientY;
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this.host.onMove(this,{dx:x-this.lastX,dy:y-this.lastY});
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this.lastX=x;
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this.lastY=y;
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dojo.stopEvent(e);
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},onFirstMove:function(){
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this.host.onFirstMove(this);
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dojo.disconnect(this.events.pop());
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},destroy:function(){
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dojo.forEach(this.events,dojo.disconnect);
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var h=this.host;
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if(h&&h.onMoveStop){
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h.onMoveStop(this);
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}
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this.events=this.shape=null;
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}});
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}