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root / trunk / web / dojo / dojox / drawing / tools / Ellipse.js @ 11

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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.drawing.tools.Ellipse"]){
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dojo._hasResource["dojox.drawing.tools.Ellipse"]=true;
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dojo.provide("dojox.drawing.tools.Ellipse");
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dojox.drawing.tools.Ellipse=dojox.drawing.util.oo.declare(dojox.drawing.stencil.Ellipse,function(){
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},{draws:true,onDrag:function(_1){
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var s=_1.start,e=_1;
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var x=s.x<e.x?s.x:e.x,y=s.y<e.y?s.y:e.y,w=s.x<e.x?e.x-s.x:s.x-e.x,h=s.y<e.y?e.y-s.y:s.y-e.y;
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if(this.keys.shift){
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w=h=Math.max(w,h);
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}
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if(!this.keys.alt){
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x+=w/2;
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y+=h/2;
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w/=2;
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h/=2;
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}else{
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if(y-h<0){
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h=y;
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}
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if(x-w<0){
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w=x;
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}
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}
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this.points=[{x:x-w,y:y-h},{x:x+w,y:y-h},{x:x+w,y:y+h},{x:x-w,y:y+h}];
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this.render();
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},onUp:function(_2){
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if(this.created||!this._downOnCanvas){
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return;
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}
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this._downOnCanvas=false;
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if(!this.shape){
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var s=_2.start,e=this.minimumSize*2;
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this.data={cx:s.x+e,cy:s.y+e,rx:e,ry:e};
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this.dataToPoints();
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this.render();
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}else{
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var o=this.pointsToData();
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if(o.rx*2<this.minimumSize&&o.ry*2<this.minimumSize){
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this.remove(this.shape,this.hit);
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return;
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}
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}
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this.onRender(this);
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}});
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dojox.drawing.tools.Ellipse.setup={name:"dojox.drawing.tools.Ellipse",tooltip:"Ellipse Tool",iconClass:"iconEllipse"};
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dojox.drawing.register(dojox.drawing.tools.Ellipse.setup,"tool");
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}