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226 lines
7.0 KiB
226 lines
7.0 KiB
define(["dojo/_base/kernel", "dojo/_base/lang", "./Annotation", "./Anchor"], function(dojo){ |
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dojo.getObject("sketch", true, dojox); |
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var ta=dojox.sketch; |
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ta.SingleArrowAnnotation=function(figure, id){ |
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ta.Annotation.call(this, figure, 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.textAlign="middle"; |
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this.textYOffset=10; |
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this.rotation=0; |
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// this.property('label',this.id); |
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// this.label=this.id; |
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this.pathShape=null; |
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this.arrowhead=null; |
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this.arrowheadGroup=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.SingleArrowAnnotation.prototype=new ta.Annotation; |
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var p=ta.SingleArrowAnnotation.prototype; |
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p.constructor=ta.SingleArrowAnnotation; |
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p.type=function(){ return 'SingleArrow'; }; |
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p.getType=function(){ return ta.SingleArrowAnnotation; }; |
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// helper functions |
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p._rot=function(){ |
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// arrowhead rotation |
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var opp=this.control.y-this.start.y; |
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var adj=this.control.x-this.start.x; |
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//if(!adj){ adj=1; } |
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this.rotation=Math.atan2(opp,adj); |
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}; |
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p._pos=function(){ |
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// text position |
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var offset=this.textOffset, x=0, y=0; |
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var slope=this.calculate.slope(this.control, this.end); |
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this.textAlign="middle"; |
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if(Math.abs(slope)>=1){ |
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x=this.end.x+this.calculate.dx(this.control, this.end, offset); |
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if(this.control.y>this.end.y){ y=this.end.y-offset; } |
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else{ y=this.end.y+offset+this.textYOffset; } |
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} else if(slope==0){ |
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x=this.end.x+offset; |
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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-offset; |
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this.textAlign="end"; |
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} else { |
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x=this.end.x+offset; |
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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, offset)+this.textYOffset; |
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} else { |
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y=this.end.y+this.calculate.dy(this.control, this.end, -offset); |
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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(obj){ |
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if(!obj){ return; } |
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if(obj.documentElement){ obj=obj.documentElement; } |
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this.readCommonAttrs(obj); |
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for(var i=0; i<obj.childNodes.length; i++){ |
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var c=obj.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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} |
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else if(c.localName=="path"){ |
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// the line |
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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 stroke=this.property('stroke'); |
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var style=c.getAttribute('style'); |
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var m=style.match(/stroke:([^;]+);/); |
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if(m){ |
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stroke.color=m[1]; |
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this.property('fill',m[1]); |
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} |
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m=style.match(/stroke-width:([^;]+);/); |
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if(m){ |
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stroke.width=m[1]; |
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} |
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this.property('stroke',stroke); |
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} |
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} |
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}; |
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p.initialize=function(obj){ |
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// create, based on passed DOM node if available. |
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var font=(ta.Annotation.labelFont)?ta.Annotation.labelFont:{family:"Times", size:"16px"}; |
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this.apply(obj); |
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// calculate the other positions |
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this._rot(); |
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this._pos(); |
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// rotation matrix |
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var rot=this.rotation; |
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var tRot=dojox.gfx.matrix.rotate(rot); |
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// draw the shapes |
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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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//if(this.transform.dx||this.transform.dy){ this.shape.setTransform(this.transform); } |
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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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//.setStroke(this.property('stroke')); |
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this.arrowheadGroup=this.shape.createGroup();//.setTransform({ dx:this.start.x, dy:this.start.y }).applyTransform(tRot); |
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this.arrowhead=this.arrowheadGroup.createPath();//"M0,0 l50,-10 -6,10 6,10 Z").setFill(this.property('fill')); |
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this.labelShape=this.shape.createText({ |
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x:this.textPosition.x, |
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y:this.textPosition.y, |
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text:this.property('label'), |
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align:this.textAlign |
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}) |
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//.setFont(font) |
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//.setFill(this.property('fill')); |
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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){ return; } |
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this.arrowheadGroup.remove(this.arrowhead); |
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this.shape.remove(this.arrowheadGroup); |
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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=this.arrowheadGroup=this.arrowhead=null; |
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}; |
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p.draw=function(obj){ |
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this.apply(obj); |
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this._rot(); |
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this._pos(); |
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// rotation matrix |
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var rot=this.rotation; |
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var tRot=dojox.gfx.matrix.rotate(rot); |
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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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//.setStroke(this.property('stroke')); |
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this.arrowheadGroup.setTransform({dx:this.start.x,dy:this.start.y}).applyTransform(tRot); |
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this.arrowhead.setFill(this.property('fill')); |
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this.labelShape.setShape({ |
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x:this.textPosition.x, |
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y:this.textPosition.y, |
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text:this.property('label'), |
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align:this.textAlign |
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}) |
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.setFill(this.property('fill')); |
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this.zoom(); |
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}; |
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p.zoom=function(pct){ |
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if(this.arrowhead){ |
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pct = pct || this.figure.zoomFactor; |
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ta.Annotation.prototype.zoom.call(this,pct); |
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//pct = dojox.gfx.renderer=='vml'?1:pct; |
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if(this._curPct!==pct){ |
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this._curPct=pct; |
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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); |
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this.arrowhead.setShape("M0,0 l"+l+",-"+w+" -"+h+","+w+" "+h+","+w+" Z"); |
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} |
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} |
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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.serialize=function(){ |
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var s=this.property('stroke'); |
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var r=this.rotation*(180/Math.PI); |
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r=Math.round(r*Math.pow(10,4))/Math.pow(10,4); |
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return '<g '+this.writeCommonAttrs()+'>' |
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+ '<path style="stroke:'+s.color+';stroke-width:'+s.width+';fill:none;" d="' |
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+ "M"+this.start.x+","+this.start.y+" " |
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+ "Q"+this.control.x+","+this.control.y+" " |
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+ this.end.x+","+this.end.y |
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+ '" />' |
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+ '<g transform="translate(' + this.start.x + "," + this.start.y + ") " |
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+ 'rotate(' + r + ')">' |
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+ '<path style="fill:'+s.color+';" d="M0,0 l20,-5, -3,5, 3,5 Z" />' |
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+ '</g>' |
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+ '<text style="fill:'+s.color+';text-anchor:'+this.textAlign+'" font-weight="bold" ' |
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+ 'x="' + this.textPosition.x + '" ' |
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+ 'y="' + this.textPosition.y + '">' |
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+ this.property('label') |
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+ '</text>' |
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+ '</g>'; |
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}; |
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ta.Annotation.register("SingleArrow"); |
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return dojox.sketch.SingleArrowAnnotation; |
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});
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