root / trunk / web / dojo / dojox / drawing / tools / Ellipse.js
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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.drawing.tools.Ellipse"]){ |
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9 | dojo._hasResource["dojox.drawing.tools.Ellipse"]=true; |
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10 | dojo.provide("dojox.drawing.tools.Ellipse");
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11 | dojox.drawing.tools.Ellipse=dojox.drawing.util.oo.declare(dojox.drawing.stencil.Ellipse,function(){
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12 | },{draws:true,onDrag:function(_1){ |
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13 | var s=_1.start,e=_1;
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14 | 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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15 | if(this.keys.shift){ |
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16 | w=h=Math.max(w,h); |
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17 | } |
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18 | if(!this.keys.alt){ |
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19 | x+=w/2;
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20 | y+=h/2;
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21 | w/=2;
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22 | h/=2;
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23 | }else{
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24 | if(y-h<0){ |
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25 | h=y; |
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26 | } |
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27 | if(x-w<0){ |
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28 | w=x; |
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29 | } |
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30 | } |
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31 | 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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32 | this.render();
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33 | },onUp:function(_2){ |
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34 | if(this.created||!this._downOnCanvas){ |
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35 | return;
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36 | } |
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37 | this._downOnCanvas=false; |
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38 | if(!this.shape){ |
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39 | var s=_2.start,e=this.minimumSize*2; |
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40 | this.data={cx:s.x+e,cy:s.y+e,rx:e,ry:e}; |
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41 | this.dataToPoints();
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42 | this.render();
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43 | }else{
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44 | var o=this.pointsToData(); |
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45 | if(o.rx*2<this.minimumSize&&o.ry*2<this.minimumSize){ |
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46 | this.remove(this.shape,this.hit); |
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47 | return;
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48 | } |
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49 | } |
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50 | this.onRender(this); |
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51 | }}); |
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52 | dojox.drawing.tools.Ellipse.setup={name:"dojox.drawing.tools.Ellipse",tooltip:"Ellipse Tool",iconClass:"iconEllipse"}; |
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53 | dojox.drawing.register(dojox.drawing.tools.Ellipse.setup,"tool");
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54 | } |