| /* |
| 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"); |
| })(); |
| } |