]> git.pond.sub.org Git - eow/blobdiff - static/dojo-release-1.1.1/dojox/sketch/DoubleArrowAnnotation.js
add Dojo 1.1.1
[eow] / static / dojo-release-1.1.1 / dojox / sketch / DoubleArrowAnnotation.js
diff --git a/static/dojo-release-1.1.1/dojox/sketch/DoubleArrowAnnotation.js b/static/dojo-release-1.1.1/dojox/sketch/DoubleArrowAnnotation.js
new file mode 100644 (file)
index 0000000..0817f0a
--- /dev/null
@@ -0,0 +1,200 @@
+if(!dojo._hasResource["dojox.sketch.DoubleArrowAnnotation"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.sketch.DoubleArrowAnnotation"] = true;
+dojo.provide("dojox.sketch.DoubleArrowAnnotation");
+
+dojo.require("dojox.sketch.Annotation");
+dojo.require("dojox.sketch.Anchor");
+
+(function(){
+       var ta=dojox.sketch;
+       ta.DoubleArrowAnnotation=function(figure, id){
+               ta.Annotation.call(this, figure, 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=6;
+               this.textYOffset=10;
+               this.textAlign="middle";
+               this.startRotation=0;
+               this.endRotation=0;
+
+//             this.property('label',this.id);
+               this.labelShape=null;
+               this.pathShape=null;
+               this.startArrow=null;
+               this.startArrowGroup=null;
+               this.endArrow=null;
+               this.endArrowGroup=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.DoubleArrowAnnotation.prototype=new ta.Annotation;
+       var p=ta.DoubleArrowAnnotation.prototype;
+       p.constructor=ta.DoubleArrowAnnotation;
+
+       p.type=function(){ return 'DoubleArrow'; };
+       p.getType=function(){ return ta.DoubleArrowAnnotation; };
+
+       p._rot=function(){
+               //      arrowhead rotation
+               var opp=this.start.y-this.control.y;
+               var adj=this.start.x-this.control.x;
+               if(!adj) adj=1;
+               this.startRotation=Math.atan(opp/adj);
+               opp=this.control.y-this.end.y;
+               adj=this.control.x-this.end.x;
+               if(!adj) adj=1;
+               this.endRotation=Math.atan(opp/adj);
+       };
+       p._pos=function(){
+               //      text position
+               var offset=this.textOffset;
+
+               //      figure out the pull of the curve and place accordingly
+               if(this.control.y<this.end.y) offset*=-1;
+               else offset+=this.textYOffset;
+               var ab={x:((this.control.x-this.start.x)*.5)+this.start.x, y:((this.control.y-this.start.y)*.5)+this.start.y};
+               var bc={x:((this.end.x-this.control.x)*.5)+this.control.x, y:((this.end.y-this.control.y)*.5)+this.control.y};
+               this.textPosition={x:((bc.x-ab.x)*.5)+ab.x, y:(((bc.y-ab.y)*.5)+ab.y)+offset};
+       };
+       
+       p.apply=function(obj){
+               if(!obj) return;
+               if(obj.documentElement) obj=obj.documentElement;
+               this.readCommonAttrs(obj);
+               
+               for(var i=0; i<obj.childNodes.length; i++){
+                       var c=obj.childNodes[i];
+                       if(c.localName=="text") this.property('label',c.childNodes.length?c.childNodes[0].nodeValue:'');
+                       else if(c.localName=="path"){
+                               //      the line
+                               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);
+                       }
+               }
+       };
+       p.initialize=function(obj){
+               //      create, based on passed DOM node if available.
+               var font=(ta.Annotation.labelFont)?ta.Annotation.labelFont:{family:"Times", size:"16px"};
+               this.apply(obj);
+
+               //      calculate the other positions
+               this._rot();
+               this._pos();
+
+               //      rotation matrix
+               var rot=this.startRotation;
+               if(this.control.x<this.start.x) rot+=Math.PI;
+               var startRot=dojox.gfx.matrix.rotate(rot);
+
+               rot=this.endRotation;
+               if(this.control.x>=this.end.x) rot+=Math.PI;
+               var endRot=dojox.gfx.matrix.rotateAt(rot, this.end.x, this.end.y);
+
+               //      draw the shapes
+               this.shape=this.figure.group.createGroup();
+               this.shape.getEventSource().setAttribute("id", this.id);
+               if(this.transform.dx||this.transform.dy) this.shape.setTransform(this.transform);
+               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"
+                       ).setStroke(this.property('stroke'));
+               
+               this.startArrowGroup=this.shape.createGroup().setTransform({ dx:this.start.x, dy:this.start.y });
+               this.startArrowGroup.applyTransform(startRot);
+//             console.log('startArrow',this.property('fill'));
+               this.startArrow=this.startArrowGroup.createPath("M0,0 l20,-5 -3,5 3,5 Z").setFill(this.property('fill'));
+               
+               this.endArrowGroup=this.shape.createGroup().setTransform(endRot);
+               this.endArrow=this.endArrowGroup.createPath(
+                       "M" + this.end.x + "," + this.end.y + " l-20,-5 3,5 -3,5 Z"
+               ).setFill(this.property('fill'));
+               this.labelShape=this.shape.createText({
+                       x:this.textPosition.x, y:this.textPosition.y, text:this.property('label'), align:this.textAlign
+               }).setFont(font).setFill(this.property('fill'));
+       };
+       p.destroy=function(){
+               if(!this.shape) return;
+               this.startArrowGroup.remove(this.startArrow);
+               this.endArrowGroup.remove(this.endArrow);
+               this.shape.remove(this.startArrowGroup);
+               this.shape.remove(this.endArrowGroup);
+               this.shape.remove(this.pathShape);
+               this.shape.remove(this.labelShape);
+               this.figure.group.remove(this.shape);
+               this.shape=this.pathShape=this.labelShape=this.startArrowGroup=this.startArrow=this.endArrowGroup=this.endArrow=null;
+       };
+       p.draw=function(obj){
+               this.apply(obj);
+               this._rot();
+               this._pos();
+               //      rotation matrix
+               var rot=this.startRotation;
+               if(this.control.x<this.start.x) rot+=Math.PI;
+               var startRot=dojox.gfx.matrix.rotate(rot);
+               rot=this.endRotation;
+               if(this.control.x>=this.end.x) rot+=Math.PI;
+               var endRot=dojox.gfx.matrix.rotateAt(rot, this.end.x, this.end.y);
+
+               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"
+                       ).setStroke(this.property('stroke'));
+               this.startArrowGroup.setTransform({ dx:this.start.x, dy:this.start.y });
+               this.startArrowGroup.applyTransform(startRot);
+               this.startArrow.setFill(this.property('fill'));
+               
+               this.endArrowGroup.setTransform(endRot);
+               this.endArrow.setShape(
+                       "M" + this.end.x + "," + this.end.y + " l-20,-5 3,5 -3,5 Z"
+               ).setFill(this.property('fill'));
+               this.labelShape.setShape({x:this.textPosition.x, y:this.textPosition.y, text:this.property('label')}).setFill(this.property('fill'));
+       };
+       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');
+               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(' + (Math.round((this.startRotation*(180/Math.PI))*Math.pow(10,4))/Math.pow(10,4)) + ')">'
+                       + '<path style="fill:'+s.color+';" d="M0,0 l20,-5, -3,5, 3,5 Z" />'
+                       + '</g>'
+                       + '<g transform="rotate('
+                       + (Math.round((this.endRotation*(180/Math.PI))*Math.pow(10,4))/Math.pow(10,4))
+                       + ", "+this.end.x+", "+this.end.y
+                       + ')">'
+                       + '<path style="fill:'+s.color+';" d="M'+this.end.x+","+this.end.y+' l-20,-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("DoubleArrow");
+})();
+
+}