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/Figure.js | 493 +++++++++++++++++++++++++++++++++++++
 1 file changed, 493 insertions(+)
 create mode 100644 includes/js/dojox/sketch/Figure.js

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

diff --git a/includes/js/dojox/sketch/Figure.js b/includes/js/dojox/sketch/Figure.js
new file mode 100644
index 0000000..ae573bb
--- /dev/null
+++ b/includes/js/dojox/sketch/Figure.js
@@ -0,0 +1,493 @@
+if(!dojo._hasResource["dojox.sketch.Figure"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.sketch.Figure"] = true;
+dojo.provide("dojox.sketch.Figure");
+dojo.experimental("dojox.sketch");
+
+dojo.require("dojox.gfx");
+dojo.require("dojox.sketch.UndoStack");
+
+(function(){
+	var ta=dojox.sketch;
+	ta.tools={};
+	ta.registerTool=function(type, fn){ ta.tools[type]=fn; };
+	ta.Figure = function(){
+		var self=this;
+		var annCounter=1;
+
+		this.shapes=[];
+		this.image=null;
+		this.imageSrc=null;
+		this.size={ w:0, h:0 };
+		this.surface=null;
+		this.group=null;
+		this.node=null;
+
+		this.zoomFactor=1;	//	multiplier for zooming.
+		
+		this.tools=null;	//	toolbar reference.
+		this.nextKey=function(){ return annCounter++; };
+
+		this.obj={};		//	lookup table for shapes.  Not keen on this solution.
+
+		this.initUndoStack();
+
+		//	what is selected.
+		this.selected=[];
+		this.hasSelections=function(){ return this.selected.length>0 };
+		this.isSelected=function(obj){
+			for(var i=0; i<self.selected.length; i++){
+				if(self.selected[i]==obj) return true;
+			}
+			return false;
+		};
+		this.select=function(obj){
+			//	TODO: deal with multiple vs. single selections.
+			if(!self.isSelected(obj)){
+				//	force single select
+				self.clearSelections();
+				self.selected=[ obj ];
+			}
+			//	force a bbox update, regardless
+			obj.setMode(ta.Annotation.Modes.View);
+			obj.setMode(ta.Annotation.Modes.Edit);
+		};
+		this.deselect=function(obj){
+			var idx=-1;
+			for(var i=0; i<self.selected.length; i++){
+				if(self.selected[i]==obj){
+					idx=i;
+					break;
+				}
+			}
+			if(idx>-1){
+				obj.setMode(ta.Annotation.Modes.View);
+				self.selected.splice(idx,1);
+			}
+			return obj;
+		};
+		this.clearSelections=function(){
+			for(var i=0; i<self.selected.length; i++) 
+				self.selected[i].setMode(ta.Annotation.Modes.View);
+			self.selected=[]; 
+		};
+		this.replaceSelection=function(n, o){
+			if(!self.isSelected(o)){
+				self.select(n);
+				return;
+			}
+			var idx=-1;
+			for(var i=0; i<self.selected.length; i++){
+				if(self.selected[i]==o){
+					idx=i; break;
+				}
+			}
+			if(idx>-1){
+				self.selected.splice(idx,1,n);
+			}
+		};
+
+		//	for the drag and drop handlers.
+		this._c=null;		//	current shape
+		this._ctr=null;	//	container measurements
+		this._lp=null;		//	last position
+		this._action=null;
+		this._prevState=null;
+		this._startPoint=null;	//	test to record a move.
+
+		//	if an object isn't selected and we're dragging anyways.
+		this._ctool=null;	//	hard code it.
+		this._start=null;
+		this._end=null;
+		this._absEnd=null;
+		this._cshape=null;
+		
+		this._click=function(e){
+			if(self._c){
+				dojo.stopEvent(e);
+				return;
+			}
+			var o=self._fromEvt(e);
+			if(!o){
+				self.clearSelections();
+				dojo.stopEvent(e);
+			} else if(!o.setMode){
+				//	skip me.
+			} else self.select(o);
+		};
+		this._dblclick=function(e){
+			var o=self._fromEvt(e);
+			if(o){
+				self.onDblClickShape(o,e);
+			}
+		};
+
+		this._keydown=function(e){
+			var prevent=false;
+			if(e.ctrlKey){
+					if(e.keyCode==90){ //ctrl+z
+						self.undo();
+						prevent = true;
+					}else if(e.keyCode==89){ //ctrl+y
+						self.redo();
+						prevent = true;
+					}
+			}
+
+			if(e.keyCode==46 || e.keyCode==8){ //delete or backspace
+				self._delete(self.selected);
+				prevent = true;
+			}
+
+			if(prevent){
+				dojo.stopEvent(e);
+			}
+		};
+	
+		//	drag handlers.
+		this._md=function(e){
+			var o=self._fromEvt(e);
+			self._startPoint={ x:e.pageX, y:e.pageY };
+			var win = dijit.getDocumentWindow(self.node.ownerDocument);
+			//	figure out the coordinates within the iframe
+			self._ctr=dojo._abs(self.node);
+			var scroll=dojo.withGlobal(win,dojo._docScroll);
+			self._ctr={x:self._ctr.x-scroll.x, y:self._ctr.y-scroll.y};
+			var X=e.clientX-self._ctr.x, Y=e.clientY-self._ctr.y;
+			self._lp={ x:X, y:Y };
+
+			//	capture it separately
+			self._start={ x:X, y:Y };
+			self._end={ x:X, y:Y };
+			self._absEnd={ x:X, y:Y };
+			if(!o){
+				self.clearSelections();
+				self._ctool.onMouseDown(e);
+			}else{
+				if(o.type && o.type()!="Anchor"){
+					self.select(o);
+				}
+				o.beginEdit();
+				self._c=o;
+			}
+		};
+		this._mm=function(e){
+			if(!self._ctr) return;
+			var x=e.clientX-self._ctr.x;
+			var y=e.clientY-self._ctr.y;
+			var dx=x-self._lp.x;
+			var dy=y-self._lp.y;
+			self._absEnd={x:x, y:y};
+			if(self._c){
+				self._c.doChange({dx:Math.round(dx/self.zoomFactor), dy:Math.round(dy/self.zoomFactor)});
+				self._c.setBinding({dx:Math.round(dx/self.zoomFactor), dy:Math.round(dy/self.zoomFactor)});
+				self._lp={x:x, y:y};
+			}
+			else {
+				self._end={x:dx, y:dy};
+				var rect={
+					x:Math.min(self._start.x,self._absEnd.x),
+					y:Math.min(self._start.y,self._absEnd.y),
+					width:Math.abs(self._start.x-self._absEnd.x),
+					height:Math.abs(self._start.y-self._absEnd.y)
+				}
+				self._ctool.onMouseMove(e,rect);
+			}
+		};
+		this._mu=function(e){
+			if(self._c){
+				//	record the event.
+				self._c.endEdit();
+			}else{
+				self._ctool.onMouseUp(e);
+			}
+
+			//	clear the stuff out.
+			self._c=self._ctr=self._lp=self._action=self._prevState=self._startPoint=null;
+			self._cshape=self._start=self._end=self._absEnd=null;
+		};
+
+		this._delete=function(arr,noundo){
+			for(var i=0; i<arr.length; i++){
+				//var before=arr[i].serialize();
+				if(!noundo){
+					arr[i].remove();
+				}
+				arr[i].setMode(ta.Annotation.Modes.View);
+				arr[i].destroy();
+				self.remove(arr[i]);
+				self._remove(arr[i]);
+			}
+			arr.splice(0,arr.length);
+		};
+	};
+
+	var p=ta.Figure.prototype;
+	p.initUndoStack=function(){
+			this.history=new ta.UndoStack(this);
+	};
+	p.setTool=function(/*dojox.sketch._Plugin*/t){
+		this._ctool=t;
+	};
+	p.onDblClickShape=function(shape,e){
+		if(shape['onDblClick']){
+			shape.onDblClick(e);
+		}
+	};
+
+	p.onCreateShape=function(shape){};
+	p.onBeforeCreateShape=function(shape){};
+	p.initialize=function(node){
+		this.node=node;
+		this.surface=dojox.gfx.createSurface(node, this.size.w, this.size.h);
+		this.surface.createRect({ x:0, y:0, width:this.size.w, height:this.size.h })
+			.setFill("white");
+		this.group=this.surface.createGroup();
+
+		//	kill any dragging events.
+		this._cons=[];
+		this._cons.push(dojo.connect(this.node, "ondragstart",   dojo, "stopEvent"));
+		this._cons.push(dojo.connect(this.node, "onselectstart", dojo, "stopEvent"));
+
+		//	hook up the drag system.
+		this._cons.push(dojo.connect(this.surface.getEventSource(), 'onmousedown', this._md));
+		this._cons.push(dojo.connect(this.surface.getEventSource(), 'onmousemove', this._mm));
+		this._cons.push(dojo.connect(this.surface.getEventSource(), 'onmouseup', this._mu));
+
+		this._cons.push(dojo.connect(this.surface.getEventSource(), 'ondblclick', this._dblclick));
+		this._cons.push(dojo.connect(this.surface.getEventSource().ownerDocument, 'onkeydown', this._keydown));
+		
+		//	rect hack.  Fcuking VML>
+		this.group.createRect({ x:0, y:0, width:this.size.w, height:this.size.h });
+		this.image=this.group.createImage({ width:this.size.w, height:this.size.h, src:this.imageSrc });
+	};
+	p.destroy=function(isLoading){
+		if(!this.node){
+			return;
+		}
+		if(!isLoading){
+			if(this.history) this.history.destroy();
+			if(this._subscribed){
+				dojo.unsubscribe(this._subscribed);
+				delete this._subscribed;
+			}
+		}
+		dojo.forEach(this._cons,dojo.disconnect);
+		this._cons=[];
+
+		this.node.removeChild(this.surface.getEventSource());
+		this.group=this.surface=null;
+		this.obj={};
+		this.shapes=[];
+	};
+	p.draw=function(){ };
+	p.zoom=function(pct){
+		//	first get the new dimensions
+		this.zoomFactor=pct/100;
+		var w=this.size.w*this.zoomFactor;
+		var h=this.size.h*this.zoomFactor;
+		this.surface.setDimensions(w, h);
+		//	then scale it.
+		this.group.setTransform(dojox.gfx.matrix.scale(this.zoomFactor, this.zoomFactor));
+		if(dojo.isIE){
+			this.image.rawNode.style.width=Math.max(w,this.size.w);
+			this.image.rawNode.style.height=Math.max(h,this.size.h);
+		}
+		//this.rect.setShape({width:w,height:h});
+	};
+	p.getFit=function(){
+		//	assume fitting the parent node.
+//		var box=dojo.html.getContentBox(this.node.parentNode);
+		//the following should work under IE and FF, not sure about others though
+		var wF=(this.node.parentNode.clientWidth-5)/this.size.w;
+		var hF=(this.node.parentNode.clientHeight-5)/this.size.h;
+		return Math.min(wF, hF)*100;
+	};
+	p.unzoom=function(){
+		//	restore original size.
+		this.zoomFactor=1;
+		this.surface.setDimensions(this.size.w, this.size.h);
+		this.group.setTransform();
+	};
+
+	//	object registry for drag handling.
+	p._add=function(obj){ this.obj[obj._key]=obj; };
+	p._remove=function(obj){
+		if(this.obj[obj._key]){
+			delete this.obj[obj._key];
+		}
+	};
+	p._get=function(key){
+		if(key&&key.indexOf("bounding")>-1) key=key.replace("-boundingBox","");
+		return this.obj[key];
+	};
+	p._fromEvt=function(e){
+		var key=e.target.id+"";
+		if(key.length==0){
+			//	ancestor tree until you get to the end (meaning this.surface)
+			var p=e.target.parentNode;
+			var node=this.surface.getEventSource();
+			while(p && p.id.length==0 && p!=node){
+				p=p.parentNode;
+			}
+			key=p.id;
+		}
+		return this._get(key);
+	};
+
+	p.add=function(annotation){
+		for(var i=0; i<this.shapes.length; i++){
+			if(this.shapes[i]==annotation){ return true; }
+		}
+		this.shapes.push(annotation);
+		return true;
+	};
+	p.remove=function(annotation){
+		var idx=-1;
+		for(var i=0; i<this.shapes.length; i++){
+			if(this.shapes[i]==annotation){
+				idx=i;
+				break;
+			}
+		}
+		if(idx>-1) this.shapes.splice(idx, 1);
+		return annotation;
+	};
+	p.get=function(id){
+		for(var i=0; i<this.shapes.length; i++){
+			if(this.shapes[i].id==id) {
+				return this.shapes[i];
+			}
+		}
+		return null;
+	};
+
+	p.convert=function(ann, t){
+		//	convert an existing annotation to a different kind of annotation
+		var ctor=t+"Annotation";
+		if(!ta[ctor]) return;
+		var type=ann.type(), id=ann.id, label=ann.label, mode=ann.mode; tokenId=ann.tokenId;
+		var start, end, control, transform;
+		switch(type){
+			case "Preexisting":
+			case "Lead":{
+				transform={dx:ann.transform.dx, dy:ann.transform.dy };
+				start={x:ann.start.x, y:ann.start.y};
+				end={x:ann.end.x, y:ann.end.y };
+				var cx=end.x-((end.x-start.x)/2);
+				var cy=end.y-((end.y-start.y)/2);
+				control={x:cx, y:cy};
+				break;
+			}
+			case "SingleArrow":
+			case "DoubleArrow":{
+				transform={dx:ann.transform.dx, dy:ann.transform.dy };
+				start={x:ann.start.x, y:ann.start.y};
+				end={x:ann.end.x, y:ann.end.y };
+				control={x:ann.control.x, y:ann.control.y};
+				break;
+			}
+			case "Underline":{
+				transform={dx:ann.transform.dx, dy:ann.transform.dy };
+				start={x:ann.start.x, y:ann.start.y};
+				control={x:start.x+50, y:start.y+50 };
+				end={x:start.x+100, y:start.y+100 };
+				break;
+			}
+			case "Brace":{ }
+		}
+		var n=new ta[ctor](this, id);
+
+		if(n.type()=="Underline"){
+			//	special handling, since we never move the start point.
+			n.transform={dx:transform.dx+start.x, dy:transform.dy+start.y };
+		} else {
+			if(n.transform) n.transform=transform;
+			if(n.start) n.start=start;
+		}
+		if(n.end) n.end=end;
+		if(n.control) n.control=control;
+		n.label=label;
+		n.token=dojo.lang.shallowCopy(ann.token);
+		n.initialize();
+
+		this.replaceSelection(n, ann);
+		this._remove(ann);
+		this.remove(ann);
+		ann.destroy();
+
+		//	this should do all the things we need it to do for getting it registered.
+		n.setMode(mode);
+	};
+	p.setValue=function(text){
+		var obj=dojox.xml.DomParser.parse(text);
+		var node=this.node;
+		this.load(obj,node);
+		this.zoom(this.zoomFactor*100); //zoom to orignal scale
+	};
+	p.load=function(obj, n){
+		//	create from pseudo-DOM
+		if(this.surface){ this.destroy(true); }
+		var node=obj.documentElement;	//	should be either the document or the docElement
+		this.size={ w:parseFloat(node.getAttribute('width'),10), h:parseFloat(node.getAttribute('height'),10) };
+		var g=node.childrenByName("g")[0];
+		var img=g.childrenByName("image")[0];
+		this.imageSrc=img.getAttribute("xlink:href");
+		this.initialize(n);
+
+		//	now let's do the annotations.
+		var ann=g.childrenByName("g");
+		for(var i=0; i<ann.length; i++) this._loadAnnotation(ann[i]);
+		if(this._loadDeferred){
+			this._loadDeferred.callback(this);
+			this._loadDeferred=null;
+		}
+		this.onLoad();
+	};
+	p.onLoad=function(){};
+	p._loadAnnotation=function(obj){
+		var ctor=obj.getAttribute('dojoxsketch:type')+"Annotation";
+		if(ta[ctor]){
+			var a=new ta[ctor](this, obj.id);
+			a.initialize(obj);
+			this.nextKey();
+			a.setMode(ta.Annotation.Modes.View);
+			this._add(a);
+			return a;
+		}
+		return null;
+	};
+	
+	p.onUndo=function(){};
+	p.onBeforeUndo=function(){};
+	p.onRedo=function(){};
+	p.onBeforeRedo=function(){};
+	p.undo=function(){
+		if(this.history){
+			this.onBeforeUndo();
+			this.history.undo();
+			this.onUndo();
+		}
+	};
+	p.redo=function(){
+		if(this.history){
+			this.onBeforeRedo();
+			this.history.redo();
+			this.onRedo();
+		}
+	};
+	p.serialize=function(){
+		var s='<svg xmlns="http://www.w3.org/2000/svg" '
+			+ 'xmlns:xlink="http://www.w3.org/1999/xlink" '
+			+ 'xmlns:dojoxsketch="http://dojotoolkit.org/dojox/sketch" '
+			+ 'width="' + this.size.w + '" height="' + this.size.h + '">'
+			+ '<g>'
+			+ '<image xlink:href="' + this.imageSrc + '" x="0" y="0" width="' 
+			+ this.size.w + '" height="' + this.size.h + '" />';
+		for(var i=0; i<this.shapes.length; i++) s+= this.shapes[i].serialize();
+		s += '</g></svg>';
+		return s;
+	};
+	p.getValue=p.serialize;
+})();
+
+}
-- 
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