/*
	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.sketch.SingleArrowAnnotation"]){dojo._hasResource["dojox.sketch.SingleArrowAnnotation"]=true;dojo.provide("dojox.sketch.SingleArrowAnnotation");dojo.require("dojox.sketch.Annotation");dojo.require("dojox.sketch.Anchor");(function(){var ta=dojox.sketch;ta.SingleArrowAnnotation=function(_1,id){ta.Annotation.call(this,_1,id);this.transform={dx:0,dy:0};this.start={x:0,y:0};this.control={x:100,y:-50};this.end={x:200,y:0};this.textPosition={x:0,y:0};this.textOffset=4;this.textYOffset=10;this.rotation=0;this.pathShape=null;this.arrowhead=null;this.arrowheadGroup=null;this.labelShape=null;this.anchors.start=new ta.Anchor(this,"start");this.anchors.control=new ta.Anchor(this,"control");this.anchors.end=new ta.Anchor(this,"end");};ta.SingleArrowAnnotation.prototype=new ta.Annotation;var p=ta.SingleArrowAnnotation.prototype;p.constructor=ta.SingleArrowAnnotation;p.type=function(){return "SingleArrow";};p.getType=function(){return ta.SingleArrowAnnotation;};p._rot=function(){var _2=this.control.y-this.start.y;var _3=this.control.x-this.start.x;this.rotation=Math.atan2(_2,_3);};p._pos=function(){var _4=this.textOffset,x=0,y=0;var _5=this.calculate.slope(this.control,this.end);this.textAlign="middle";if(Math.abs(_5)>=1){x=this.end.x+this.calculate.dx(this.control,this.end,_4);if(this.control.y>this.end.y){y=this.end.y-_4;}else{y=this.end.y+_4+this.textYOffset;}}else{if(_5==0){x=this.end.x+_4;y=this.end.y+this.textYOffset;}else{if(this.start.x>this.end.x){x=this.end.x-_4;this.textAlign="end";}else{x=this.end.x+_4;this.textAlign="start";}if(this.start.y<this.end.y){y=this.end.y+this.calculate.dy(this.control,this.end,_4)+this.textYOffset;}else{y=this.end.y+this.calculate.dy(this.control,this.end,-_4);}}}this.textPosition={x:x,y:y};};p.apply=function(_6){if(!_6){return;}if(_6.documentElement){_6=_6.documentElement;}this.readCommonAttrs(_6);for(var i=0;i<_6.childNodes.length;i++){var c=_6.childNodes[i];if(c.localName=="text"){this.property("label",c.childNodes.length?c.childNodes[0].nodeValue:"");}else{if(c.localName=="path"){var d=c.getAttribute("d").split(" ");var s=d[0].split(",");this.start.x=parseFloat(s[0].substr(1),10);this.start.y=parseFloat(s[1],10);s=d[1].split(",");this.control.x=parseFloat(s[0].substr(1),10);this.control.y=parseFloat(s[1],10);s=d[2].split(",");this.end.x=parseFloat(s[0],10);this.end.y=parseFloat(s[1],10);var _7=this.property("stroke");var _8=c.getAttribute("style");var m=_8.match(/stroke:([^;]+);/);if(m){_7.color=m[1];this.property("fill",m[1]);}m=_8.match(/stroke-width:([^;]+);/);if(m){_7.width=m[1];}this.property("stroke",_7);}}}};p.initialize=function(_9){var _a=(ta.Annotation.labelFont)?ta.Annotation.labelFont:{family:"Times",size:"16px"};this.apply(_9);this._rot();this._pos();var _b=this.rotation;var _c=dojox.gfx.matrix.rotate(_b);this.shape=this.figure.group.createGroup();this.shape.getEventSource().setAttribute("id",this.id);this.pathShape=this.shape.createPath("M"+this.start.x+","+this.start.y+" Q"+this.control.x+","+this.control.y+" "+this.end.x+","+this.end.y+" l0,0");this.arrowheadGroup=this.shape.createGroup();this.arrowhead=this.arrowheadGroup.createPath();this.labelShape=this.shape.createText({x:this.textPosition.x,y:this.textPosition.y,text:this.property("label"),align:this.textAlign});this.labelShape.getEventSource().setAttribute("id",this.id+"-labelShape");this.draw();};p.destroy=function(){if(!this.shape){return;}this.arrowheadGroup.remove(this.arrowhead);this.shape.remove(this.arrowheadGroup);this.shape.remove(this.pathShape);this.shape.remove(this.labelShape);this.figure.group.remove(this.shape);this.shape=this.pathShape=this.labelShape=this.arrowheadGroup=this.arrowhead=null;};p.draw=function(_d){this.apply(_d);this._rot();this._pos();var _e=this.rotation;var _f=dojox.gfx.matrix.rotate(_e);this.shape.setTransform(this.transform);this.pathShape.setShape("M"+this.start.x+","+this.start.y+" Q"+this.control.x+","+this.control.y+" "+this.end.x+","+this.end.y+" l0,0");this.arrowheadGroup.setTransform({dx:this.start.x,dy:this.start.y}).applyTransform(_f);this.arrowhead.setFill(this.property("fill"));this.labelShape.setShape({x:this.textPosition.x,y:this.textPosition.y,text:this.property("label"),align:this.textAlign}).setFill(this.property("fill"));this.zoom();};p.zoom=function(pct){if(this.arrowhead){pct=pct||this.figure.zoomFactor;ta.Annotation.prototype.zoom.call(this,pct);if(this._curPct!==pct){this._curPct=pct;var l=pct>1?20:Math.floor(20/pct),w=pct>1?5:Math.floor(5/pct),h=pct>1?3:Math.floor(3/pct);this.arrowhead.setShape("M0,0 l"+l+",-"+w+" -"+h+","+w+" "+h+","+w+" Z");}}};p.getBBox=function(){var x=Math.min(this.start.x,this.control.x,this.end.x);var y=Math.min(this.start.y,this.control.y,this.end.y);var w=Math.max(this.start.x,this.control.x,this.end.x)-x;var h=Math.max(this.start.y,this.control.y,this.end.y)-y;return {x:x,y:y,width:w,height:h};};p.serialize=function(){var s=this.property("stroke");var r=this.rotation*(180/Math.PI);r=Math.round(r*Math.pow(10,4))/Math.pow(10,4);return "<g "+this.writeCommonAttrs()+">"+"<path style=\"stroke:"+s.color+";stroke-width:"+s.width+";fill:none;\" d=\""+"M"+this.start.x+","+this.start.y+" "+"Q"+this.control.x+","+this.control.y+" "+this.end.x+","+this.end.y+"\" />"+"<g transform=\"translate("+this.start.x+","+this.start.y+") "+"rotate("+r+")\">"+"<path style=\"fill:"+s.color+";\" d=\"M0,0 l20,-5, -3,5, 3,5 Z\" />"+"</g>"+"<text style=\"fill:"+s.color+";text-anchor:"+this.textAlign+"\" font-weight=\"bold\" "+"x=\""+this.textPosition.x+"\" "+"y=\""+this.textPosition.y+"\">"+this.property("label")+"</text>"+"</g>";};ta.Annotation.register("SingleArrow");})();}