| /* |
| Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved. |
| Available via Academic Free License >= 2.1 OR the modified BSD license. |
| see: http://dojotoolkit.org/license for details |
| */ |
| |
| |
| if(!dojo._hasResource["dojox.drawing.annotations.Arrow"]){ |
| dojo._hasResource["dojox.drawing.annotations.Arrow"]=true; |
| dojo.provide("dojox.drawing.annotations.Arrow"); |
| dojo.require("dojox.drawing.stencil.Path"); |
| dojox.drawing.annotations.Arrow=dojox.drawing.util.oo.declare(dojox.drawing.stencil.Path,function(_1){ |
| this.stencil.connectMult([[this.stencil,"select",this,"select"],[this.stencil,"deselect",this,"deselect"],[this.stencil,"render",this,"render"],[this.stencil,"onDelete",this,"destroy"]]); |
| this.connect("onBeforeRender",this,function(){ |
| var o=this.stencil.points[this.idx1]; |
| var c=this.stencil.points[this.idx2]; |
| if(this.stencil.getRadius()>=this.minimumSize){ |
| this.points=this.arrowHead(c.x,c.y,o.x,o.y,this.style); |
| }else{ |
| this.points=[]; |
| } |
| }); |
| },{idx1:0,idx2:1,subShape:true,minimumSize:30,arrowHead:function(x1,y1,x2,y2,_2){ |
| var _3={start:{x:x1,y:y1},x:x2,y:y2}; |
| var _4=this.util.angle(_3); |
| var _5=this.util.length(_3); |
| var al=_2.arrows.length; |
| var aw=_2.arrows.width/2; |
| if(_5<al){ |
| al=_5/2; |
| } |
| var p1=this.util.pointOnCircle(x2,y2,-al,_4-aw); |
| var p2=this.util.pointOnCircle(x2,y2,-al,_4+aw); |
| return [{x:x2,y:y2},p1,p2]; |
| }}); |
| } |
