diff options
Diffstat (limited to 'js/dojo/dojox/sketch/SingleArrowAnnotation.js')
| -rw-r--r-- | js/dojo/dojox/sketch/SingleArrowAnnotation.js | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/js/dojo/dojox/sketch/SingleArrowAnnotation.js b/js/dojo/dojox/sketch/SingleArrowAnnotation.js new file mode 100644 index 0000000..42f17fb --- /dev/null +++ b/js/dojo/dojox/sketch/SingleArrowAnnotation.js @@ -0,0 +1,227 @@ +//>>built +define("dojox/sketch/SingleArrowAnnotation", ["dojo/_base/kernel", "dojo/_base/lang", "./Annotation", "./Anchor"], function(dojo){ + dojo.getObject("sketch", true, dojox); + + 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.control.y-this.start.y; + var adj=this.control.x-this.start.x; + //if(!adj){ adj=1; } + this.rotation=Math.atan2(opp,adj); + }; + p._pos=function(){ + // text position + var offset=this.textOffset, x=0, y=0; + var slope=this.calculate.slope(this.control, this.end); + this.textAlign="middle"; + 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); + var stroke=this.property('stroke'); + var style=c.getAttribute('style'); + var m=style.match(/stroke:([^;]+);/); + if(m){ + stroke.color=m[1]; + this.property('fill',m[1]); + } + m=style.match(/stroke-width:([^;]+);/); + if(m){ + stroke.width=m[1]; + } + this.property('stroke',stroke); + } + } + }; + 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; + 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 l50,-10 -6,10 6,10 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')); + this.labelShape.getEventSource().setAttribute('id',this.id+"-labelShape"); + this.draw(); + }; + + 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; + 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')); + this.zoom(); + }; + + p.zoom=function(pct){ + if(this.arrowhead){ + pct = pct || this.figure.zoomFactor; + ta.Annotation.prototype.zoom.call(this,pct); + //pct = dojox.gfx.renderer=='vml'?1:pct; + if(this._curPct!==pct){ + this._curPct=pct; + var l=pct>1?20:Math.floor(20/pct), w=pct>1?5:Math.floor(5/pct),h=pct>1?3:Math.floor(3/pct); + this.arrowhead.setShape("M0,0 l"+l+",-"+w+" -"+h+","+w+" "+h+","+w+" Z"); + } + } + }; + + 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); + 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"); + return dojox.sketch.SingleArrowAnnotation; +}); |
