- Author:
- David Nickerson <nickerso@users.sourceforge.net>
- Date:
- 2009-07-16 02:00:03+12:00
- Desc:
- the starting point for the HH tutorial example
- Permanent Source URI:
- https://models.fieldml.org/workspace/a1/rawfile/f6a8f90307388eb4b040ee3566b84d88b59247f7/dojo-presentation/js/dojo/dojox/sketch/PreexistingAnnotation.js
dojo.provide("dojox.sketch.PreexistingAnnotation");
dojo.require("dojox.sketch.Annotation");
dojo.require("dojox.sketch.Anchor");
(function(){
var ta=dojox.sketch;
ta.PreexistingAnnotation=function(figure, id){
ta.Annotation.call(this, figure, id);
this.transform={dx:0, dy:0};
this.start={ x:0, y:0 };
this.end={ x:200, y:200 };
this.radius=8;
this.textPosition={ x:196, y:196 };
this.textOffset=4;
this.textAlign="end";
this.property('label',this.id);
this.rectShape=null;
this.labelShape=null;
this.anchors.start=new ta.Anchor(this, "start");
this.anchors.end=new ta.Anchor(this, "end");
};
ta.PreexistingAnnotation.prototype=new ta.Annotation;
var p=ta.PreexistingAnnotation.prototype;
p.constructor=ta.PreexistingAnnotation;
p.type=function(){ return 'Preexisting' };
p.getType=function(){ return ta.PreexistingAnnotation; };
p._pos=function(){
var x=Math.min(this.start.x, this.end.x);
var y=Math.min(this.start.y, this.end.y);
var w=Math.max(this.start.x, this.end.x);
var h=Math.max(this.start.y, this.end.y);
this.start={ x:x, y:y };
this.end={ x:w, y:h };
this.textPosition={ x:this.end.x-this.textOffset, y:this.end.y-this.textOffset };
};
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=="rect"){
if(c.getAttribute('x')!==null){ this.start.x=parseFloat(c.getAttribute('x'), 10); }
if(c.getAttribute('width')!==null){ this.end.x=parseFloat(c.getAttribute('width'), 10)+parseFloat(c.getAttribute('x'), 10); }
if(c.getAttribute('y')!==null){ this.start.y=parseFloat(c.getAttribute('y'), 10); }
if(c.getAttribute('height')!==null){ this.end.y=parseFloat(c.getAttribute('height'), 10)+parseFloat(c.getAttribute('y'), 10); }
if(c.getAttribute('r')!==null){ this.radius=parseFloat(c.getAttribute('r'),10); }
}
}
};
p.initialize=function(obj){
var font=(ta.Annotation.labelFont)?ta.Annotation.labelFont:{family:"Times", size:"16px"};
this.apply(obj);
this._pos();
// create either from scratch or based on the passed node
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.rectShape=this.shape.createRect({
x:this.start.x,
y: this.start.y,
width: this.end.x-this.start.x,
height:this.end.y-this.start.y,
r:this.radius
})
.setStroke({color:this.property('fill'), width:1})
.setFill([255,255,255,0.1]);
this.rectShape.getEventSource().setAttribute("shape-rendering","crispEdges");
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.shape.remove(this.rectShape);
this.shape.remove(this.labelShape);
this.figure.group.remove(this.shape);
this.shape=this.rectShape=this.labelShape=null;
};
p.getBBox=function(){
var x=Math.min(this.start.x, this.end.x);
var y=Math.min(this.start.y, this.end.y);
var w=Math.max(this.start.x, this.end.x)-x;
var h=Math.max(this.start.y, this.end.y)-y;
return { x:x-2, y:y-2, width:w+4, height:h+4 };
};
p.draw=function(obj){
this.apply(obj);
this._pos();
this.shape.setTransform(this.transform);
this.rectShape.setShape({
x:this.start.x,
y: this.start.y,
width: this.end.x-this.start.x,
height:this.end.y-this.start.y,
r:this.radius
})
.setStroke({ color:this.property('fill'), width:1 })
.setFill([255,255,255,0.1]);
this.labelShape.setShape({
x:this.textPosition.x,
y:this.textPosition.y,
text:this.property('label')
})
.setFill(this.property('fill'));
};
p.serialize=function(){
var s=this.property('stroke');
return '<g '+this.writeCommonAttrs()+'>'
+ '<rect style="stroke:'+s.color+';stroke-weight:1;fill:none;" '
+ 'x="' + this.start.x + '" '
+ 'width="' + (this.end.x-this.start.x) + '" '
+ 'y="' + this.start.y + '" '
+ 'height="' + (this.end.y-this.start.y) + '" '
+ 'rx="' + this.radius + '" '
+ 'ry="' + this.radius + '" '
+ ' />'
+ '<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("Preexisting");
})();
