+++ /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