e44a7e37b6
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
200 lines
7.3 KiB
JavaScript
200 lines
7.3 KiB
JavaScript
if(!dojo._hasResource["dojox.sketch.DoubleArrowAnnotation"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.sketch.DoubleArrowAnnotation"] = true;
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dojo.provide("dojox.sketch.DoubleArrowAnnotation");
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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.DoubleArrowAnnotation=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=6;
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this.textYOffset=10;
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this.textAlign="middle";
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this.startRotation=0;
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this.endRotation=0;
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// this.property('label',this.id);
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this.labelShape=null;
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this.pathShape=null;
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this.startArrow=null;
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this.startArrowGroup=null;
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this.endArrow=null;
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this.endArrowGroup=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.DoubleArrowAnnotation.prototype=new ta.Annotation;
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var p=ta.DoubleArrowAnnotation.prototype;
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p.constructor=ta.DoubleArrowAnnotation;
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p.type=function(){ return 'DoubleArrow'; };
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p.getType=function(){ return ta.DoubleArrowAnnotation; };
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p._rot=function(){
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// arrowhead rotation
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var opp=this.start.y-this.control.y;
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var adj=this.start.x-this.control.x;
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if(!adj) adj=1;
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this.startRotation=Math.atan(opp/adj);
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opp=this.control.y-this.end.y;
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adj=this.control.x-this.end.x;
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if(!adj) adj=1;
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this.endRotation=Math.atan(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;
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// figure out the pull of the curve and place accordingly
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if(this.control.y<this.end.y) offset*=-1;
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else offset+=this.textYOffset;
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var ab={x:((this.control.x-this.start.x)*.5)+this.start.x, y:((this.control.y-this.start.y)*.5)+this.start.y};
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var bc={x:((this.end.x-this.control.x)*.5)+this.control.x, y:((this.end.y-this.control.y)*.5)+this.control.y};
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this.textPosition={x:((bc.x-ab.x)*.5)+ab.x, y:(((bc.y-ab.y)*.5)+ab.y)+offset};
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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") this.property('label',c.childNodes.length?c.childNodes[0].nodeValue:'');
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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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}
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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.startRotation;
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if(this.control.x<this.start.x) rot+=Math.PI;
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var startRot=dojox.gfx.matrix.rotate(rot);
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rot=this.endRotation;
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if(this.control.x>=this.end.x) rot+=Math.PI;
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var endRot=dojox.gfx.matrix.rotateAt(rot, this.end.x, this.end.y);
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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(
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"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.startArrowGroup=this.shape.createGroup().setTransform({ dx:this.start.x, dy:this.start.y });
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this.startArrowGroup.applyTransform(startRot);
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// console.log('startArrow',this.property('fill'));
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this.startArrow=this.startArrowGroup.createPath("M0,0 l20,-5 -3,5 3,5 Z").setFill(this.property('fill'));
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this.endArrowGroup=this.shape.createGroup().setTransform(endRot);
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this.endArrow=this.endArrowGroup.createPath(
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"M" + this.end.x + "," + this.end.y + " l-20,-5 3,5 -3,5 Z"
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).setFill(this.property('fill'));
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this.labelShape=this.shape.createText({
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x:this.textPosition.x, y:this.textPosition.y, text:this.property('label'), align:this.textAlign
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}).setFont(font).setFill(this.property('fill'));
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};
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p.destroy=function(){
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if(!this.shape) return;
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this.startArrowGroup.remove(this.startArrow);
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this.endArrowGroup.remove(this.endArrow);
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this.shape.remove(this.startArrowGroup);
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this.shape.remove(this.endArrowGroup);
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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.startArrowGroup=this.startArrow=this.endArrowGroup=this.endArrow=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.startRotation;
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if(this.control.x<this.start.x) rot+=Math.PI;
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var startRot=dojox.gfx.matrix.rotate(rot);
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rot=this.endRotation;
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if(this.control.x>=this.end.x) rot+=Math.PI;
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var endRot=dojox.gfx.matrix.rotateAt(rot, this.end.x, this.end.y);
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this.shape.setTransform(this.transform);
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this.pathShape.setShape(
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"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.startArrowGroup.setTransform({ dx:this.start.x, dy:this.start.y });
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this.startArrowGroup.applyTransform(startRot);
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this.startArrow.setFill(this.property('fill'));
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this.endArrowGroup.setTransform(endRot);
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this.endArrow.setShape(
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"M" + this.end.x + "," + this.end.y + " l-20,-5 3,5 -3,5 Z"
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).setFill(this.property('fill'));
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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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};
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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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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(' + (Math.round((this.startRotation*(180/Math.PI))*Math.pow(10,4))/Math.pow(10,4)) + ')">'
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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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+ '<g transform="rotate('
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+ (Math.round((this.endRotation*(180/Math.PI))*Math.pow(10,4))/Math.pow(10,4))
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+ ", "+this.end.x+", "+this.end.y
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+ ')">'
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+ '<path style="fill:'+s.color+';" d="M'+this.end.x+","+this.end.y+' l-20,-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("DoubleArrow");
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})();
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}
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