--- /dev/null
+if(!dojo._hasResource["dojox.sketch.SingleArrowAnnotation"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+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(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=4;
+ this.textAlign="middle";
+ this.textYOffset=10;
+ this.rotation=0;
+
+// this.property('label',this.id);
+// this.label=this.id;
+ 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; };
+
+ // helper functions
+ 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.rotation=Math.atan(opp/adj);
+ };
+ p._pos=function(){
+ // text position
+ var offset=this.textOffset, x=0, y=0;
+ var slope=this.calculate.slope(this.control, this.end);
+ if(Math.abs(slope)>=1){
+ x=this.end.x+this.calculate.dx(this.control, this.end, offset);
+ if(this.control.y>this.end.y) y=this.end.y-offset;
+ else y=this.end.y+offset+this.textYOffset;
+ } else if(slope==0){
+ x=this.end.x+offset;
+ y=this.end.y+this.textYOffset;
+ } else {
+ if(this.start.x>this.end.x){
+ x=this.end.x-offset;
+ this.textAlign="end";
+ } else {
+ x=this.end.x+offset;
+ this.textAlign="start";
+ }
+ if(this.start.y<this.end.y) y=this.end.y+this.calculate.dy(this.control, this.end, offset)+this.textYOffset;
+ else y=this.end.y+this.calculate.dy(this.control, this.end, -offset);
+ }
+ this.textPosition={ x:x, y:y };
+ };
+
+ 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.rotation;
+ if(this.control.x>=this.end.x&&this.control.x<this.start.x) rot+=Math.PI;
+ var tRot=dojox.gfx.matrix.rotate(rot);
+
+ // 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.arrowheadGroup=this.shape.createGroup().setTransform({ dx:this.start.x, dy:this.start.y }).applyTransform(tRot);
+ this.arrowhead=this.arrowheadGroup.createPath("M0,0 l20,-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.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(obj){
+ this.apply(obj);
+ this._rot();
+ this._pos();
+
+ // rotation matrix
+ var rot=this.rotation;
+ if(this.control.x<this.start.x) rot+=Math.PI;
+ var tRot=dojox.gfx.matrix.rotate(rot);
+
+ 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.arrowheadGroup.setTransform({dx:this.start.x,dy:this.start.y}).applyTransform(tRot);
+ 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'));
+ };
+ 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);
+ if(this.start.x>this.end.x) r-=180;
+ 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");
+})();
+
+}
projects / eow / blobdiff