From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001
From: mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>
Date: Thu, 13 Nov 2008 09:49:11 +0000
Subject: New feature: basic Ajax suggestion for tags and implementation of
 Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
---
 includes/js/dojox/sketch/SingleArrowAnnotation.js | 183 ++++++++++++++++++++++
 1 file changed, 183 insertions(+)
 create mode 100644 includes/js/dojox/sketch/SingleArrowAnnotation.js

(limited to 'includes/js/dojox/sketch/SingleArrowAnnotation.js')

diff --git a/includes/js/dojox/sketch/SingleArrowAnnotation.js b/includes/js/dojox/sketch/SingleArrowAnnotation.js
new file mode 100644
index 0000000..29ad7f0
--- /dev/null
+++ b/includes/js/dojox/sketch/SingleArrowAnnotation.js
@@ -0,0 +1,183 @@
+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");
+})();
+
+}
-- 
cgit v1.2.3