/*
	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.Angle"]){dojo._hasResource["dojox.drawing.annotations.Angle"]=true;dojo.provide("dojox.drawing.annotations.Angle");dojox.drawing.annotations.Angle=dojox.drawing.util.oo.declare(function(_1){this.stencil=_1.stencil;this.util=_1.stencil.util;this.mouse=_1.stencil.mouse;this.stencil.connectMult([["onDrag",this,"showAngle"],["onUp",this,"hideAngle"],["onTransformBegin",this,"showAngle"],["onTransform",this,"showAngle"],["onTransformEnd",this,"hideAngle"]]);},{type:"dojox.drawing.tools.custom",angle:0,showAngle:function(){if(!this.stencil.selected&&this.stencil.created){return;}if(this.stencil.getRadius()<this.stencil.minimumSize){this.hideAngle();return;}var _2=this.getAngleNode();var d=this.stencil.pointsToData();var pt=dojox.drawing.util.positioning.angle({x:d.x1,y:d.y1},{x:d.x2,y:d.y2});var sc=this.mouse.scrollOffset();var mx=this.stencil.getTransform();var dx=mx.dx/this.mouse.zoom;var dy=mx.dy/this.mouse.zoom;pt.x/=this.mouse.zoom;pt.y/=this.mouse.zoom;var x=this.stencil._offX+pt.x-sc.left+dx;var y=this.stencil._offY+pt.y-sc.top+dy;dojo.style(_2,{left:x+"px",top:y+"px",align:pt.align});_2.innerHTML=Math.ceil(this.stencil.getAngle());},getAngleNode:function(){if(!this._angleNode){this._angleNode=dojo.create("span",null,dojo.body());dojo.addClass(this._angleNode,"textAnnotation");dojo.style(this._angleNode,"opacity",1);}return this._angleNode;},hideAngle:function(){if(this._angleNode&&dojo.style(this._angleNode,"opacity")>0.9){dojo.fadeOut({node:this._angleNode,duration:500,onEnd:function(_3){dojo.destroy(_3);}}).play();this._angleNode=null;}}});}