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root / trunk / web / dojo / dojox / sketch / LeadAnnotation.js @ 10

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/*
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        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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        Available via Academic Free License >= 2.1 OR the modified BSD license.
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        see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.sketch.LeadAnnotation"]){
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dojo._hasResource["dojox.sketch.LeadAnnotation"]=true;
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dojo.provide("dojox.sketch.LeadAnnotation");
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dojo.require("dojox.sketch.Annotation");
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dojo.require("dojox.sketch.Anchor");
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(function(){
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var ta=dojox.sketch;
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ta.LeadAnnotation=function(_1,id){
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ta.Annotation.call(this,_1,id);
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this.transform={dx:0,dy:0};
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this.start={x:0,y:0};
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this.control={x:100,y:-50};
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this.end={x:200,y:0};
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this.textPosition={x:0,y:0};
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this.textOffset=4;
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this.textYOffset=10;
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this.pathShape=null;
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this.labelShape=null;
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this.anchors.start=new ta.Anchor(this,"start");
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this.anchors.control=new ta.Anchor(this,"control");
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this.anchors.end=new ta.Anchor(this,"end");
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};
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ta.LeadAnnotation.prototype=new ta.Annotation;
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var p=ta.LeadAnnotation.prototype;
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p.constructor=ta.LeadAnnotation;
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p.type=function(){
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return "Lead";
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};
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p.getType=function(){
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return ta.LeadAnnotation;
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};
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p._pos=function(){
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var _2=this.textOffset,x=0,y=0;
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var _3=this.calculate.slope(this.control,this.end);
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this.textAlign="middle";
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if(Math.abs(_3)>=1){
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x=this.end.x+this.calculate.dx(this.control,this.end,_2);
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if(this.control.y>this.end.y){
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y=this.end.y-_2;
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}else{
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y=this.end.y+_2+this.textYOffset;
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}
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}else{
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if(_3==0){
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x=this.end.x+_2;
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y=this.end.y+this.textYOffset;
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}else{
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if(this.start.x>this.end.x){
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x=this.end.x-_2;
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this.textAlign="end";
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}else{
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x=this.end.x+_2;
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this.textAlign="start";
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}
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if(this.start.y<this.end.y){
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y=this.end.y+this.calculate.dy(this.control,this.end,_2)+this.textYOffset;
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}else{
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y=this.end.y+this.calculate.dy(this.control,this.end,-_2);
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}
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}
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}
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this.textPosition={x:x,y:y};
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};
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p.apply=function(_4){
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if(!_4){
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return;
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}
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if(_4.documentElement){
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_4=_4.documentElement;
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}
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this.readCommonAttrs(_4);
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for(var i=0;i<_4.childNodes.length;i++){
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var c=_4.childNodes[i];
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if(c.localName=="text"){
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this.property("label",c.childNodes.length?c.childNodes[0].nodeValue:"");
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}else{
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if(c.localName=="path"){
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var d=c.getAttribute("d").split(" ");
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var s=d[0].split(",");
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this.start.x=parseFloat(s[0].substr(1),10);
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this.start.y=parseFloat(s[1],10);
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s=d[1].split(",");
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this.control.x=parseFloat(s[0].substr(1),10);
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this.control.y=parseFloat(s[1],10);
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s=d[2].split(",");
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this.end.x=parseFloat(s[0],10);
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this.end.y=parseFloat(s[1],10);
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var _5=this.property("stroke");
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var _6=c.getAttribute("style");
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var m=_6.match(/stroke:([^;]+);/);
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if(m){
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_5.color=m[1];
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this.property("fill",m[1]);
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}
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m=_6.match(/stroke-width:([^;]+);/);
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if(m){
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_5.width=m[1];
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}
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this.property("stroke",_5);
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}
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}
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}
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};
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p.initialize=function(_7){
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this.apply(_7);
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this._pos();
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this.shape=this.figure.group.createGroup();
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this.shape.getEventSource().setAttribute("id",this.id);
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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");
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this.labelShape=this.shape.createText({x:this.textPosition.x,y:this.textPosition.y,text:this.property("label"),align:this.textAlign});
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this.labelShape.getEventSource().setAttribute("id",this.id+"-labelShape");
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this.draw();
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};
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p.destroy=function(){
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if(!this.shape){
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return;
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}
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this.shape.remove(this.pathShape);
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this.shape.remove(this.labelShape);
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this.figure.group.remove(this.shape);
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this.shape=this.pathShape=this.labelShape=null;
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};
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p.getBBox=function(){
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var x=Math.min(this.start.x,this.control.x,this.end.x);
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var y=Math.min(this.start.y,this.control.y,this.end.y);
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var w=Math.max(this.start.x,this.control.x,this.end.x)-x;
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var h=Math.max(this.start.y,this.control.y,this.end.y)-y;
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return {x:x,y:y,width:w,height:h};
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};
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p.draw=function(_8){
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this.apply(_8);
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this._pos();
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this.shape.setTransform(this.transform);
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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");
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this.labelShape.setShape({x:this.textPosition.x,y:this.textPosition.y,text:this.property("label")}).setFill(this.property("fill"));
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this.zoom();
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};
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p.serialize=function(){
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var _9=this.property("stroke");
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return "<g "+this.writeCommonAttrs()+">"+"<path style=\"stroke:"+_9.color+";stroke-width:"+_9.width+";fill:none;\" d=\""+"M"+this.start.x+","+this.start.y+" "+"Q"+this.control.x+","+this.control.y+" "+this.end.x+","+this.end.y+"\" />"+"<text style=\"fill:"+_9.color+";text-anchor:"+this.textAlign+"\" font-weight=\"bold\" "+"x=\""+this.textPosition.x+"\" "+"y=\""+this.textPosition.y+"\">"+this.property("label")+"</text>"+"</g>";
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};
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ta.Annotation.register("Lead");
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})();
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}