Andrej Cimperšek - diploma

/*

        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.

        Available via Academic Free License >= 2.1 OR the modified BSD license.

        see: http://dojotoolkit.org/license for details

*/

if(!dojo._hasResource["dojox.sketch.Figure"]){

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(_1,fn){

ta.tools[_1]=fn;

};

ta.Figure=function(_2){

var _3=this;

this.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;

this.tools=null;

this.obj={};

dojo.mixin(this,_2);

this.selected=[];

this.hasSelections=function(){

return this.selected.length>0;

};

this.isSelected=function(_4){

for(var i=0;i<_3.selected.length;i++){

if(_3.selected[i]==_4){

return true;

}

}

return false;

};

this.select=function(_5){

if(!_3.isSelected(_5)){

_3.clearSelections();

_3.selected=[_5];

}

_5.setMode(ta.Annotation.Modes.View);

_5.setMode(ta.Annotation.Modes.Edit);

};

this.deselect=function(_6){

var _7=-1;

for(var i=0;i<_3.selected.length;i++){

if(_3.selected[i]==_6){

_7=i;

break;

}

}

if(_7>-1){

_6.setMode(ta.Annotation.Modes.View);

_3.selected.splice(_7,1);

}

return _6;

};

this.clearSelections=function(){

for(var i=0;i<_3.selected.length;i++){

_3.selected[i].setMode(ta.Annotation.Modes.View);

}

_3.selected=[];

};

this.replaceSelection=function(n,o){

if(!_3.isSelected(o)){

_3.select(n);

return;

}

var _8=-1;

for(var i=0;i<_3.selected.length;i++){

if(_3.selected[i]==o){

_8=i;

break;

}

}

if(_8>-1){

_3.selected.splice(_8,1,n);

}

};

this._c=null;

this._ctr=null;

this._lp=null;

this._action=null;

this._prevState=null;

this._startPoint=null;

this._ctool=null;

this._start=null;

this._end=null;

this._absEnd=null;

this._cshape=null;

this._dblclick=function(e){

var o=_3._fromEvt(e);

if(o){

_3.onDblClickShape(o,e);

}

};

this._keydown=function(e){

var _9=false;

if(e.ctrlKey){

if(e.keyCode===90||e.keyCode===122){

_3.undo();

_9=true;

}else{

if(e.keyCode===89||e.keyCode===121){

_3.redo();

_9=true;

}

}

}

if(e.keyCode===46||e.keyCode===8){

_3._delete(_3.selected);

_9=true;

}

if(_9){

dojo.stopEvent(e);

}

};

this._md=function(e){

if(dojox.gfx.renderer=="vml"){

_3.node.focus();

}

var o=_3._fromEvt(e);

_3._startPoint={x:e.pageX,y:e.pageY};

_3._ctr=dojo.position(_3.node);

var _a={x:_3.node.scrollLeft,y:_3.node.scrollTop};

_3._ctr={x:_3._ctr.x-_a.x,y:_3._ctr.y-_a.y};

var X=e.clientX-_3._ctr.x,Y=e.clientY-_3._ctr.y;

_3._lp={x:X,y:Y};

_3._start={x:X,y:Y};

_3._end={x:X,y:Y};

_3._absEnd={x:X,y:Y};

if(!o){

_3.clearSelections();

_3._ctool.onMouseDown(e);

}else{

if(o.type&&o.type()!="Anchor"){

if(!_3.isSelected(o)){

_3.select(o);

_3._sameShapeSelected=false;

}else{

_3._sameShapeSelected=true;

}

}

o.beginEdit();

_3._c=o;

}

};

this._mm=function(e){

if(!_3._ctr){

return;

}

var x=e.clientX-_3._ctr.x;

var y=e.clientY-_3._ctr.y;

var dx=x-_3._lp.x;

var dy=y-_3._lp.y;

_3._absEnd={x:x,y:y};

if(_3._c){

_3._c.setBinding({dx:dx/_3.zoomFactor,dy:dy/_3.zoomFactor});

_3._lp={x:x,y:y};

}else{

_3._end={x:dx,y:dy};

var _b={x:Math.min(_3._start.x,_3._absEnd.x),y:Math.min(_3._start.y,_3._absEnd.y),width:Math.abs(_3._start.x-_3._absEnd.x),height:Math.abs(_3._start.y-_3._absEnd.y)};

if(_b.width&&_b.height){

_3._ctool.onMouseMove(e,_b);

}

}

};

this._mu=function(e){

if(_3._c){

_3._c.endEdit();

}else{

_3._ctool.onMouseUp(e);

}

_3._c=_3._ctr=_3._lp=_3._action=_3._prevState=_3._startPoint=null;

_3._cshape=_3._start=_3._end=_3._absEnd=null;

};

this.initUndoStack();

};

var p=ta.Figure.prototype;

p.initUndoStack=function(){

this.history=new ta.UndoStack(this);

};

p.setTool=function(t){

this._ctool=t;

};

p.gridSize=0;

p._calCol=function(v){

return this.gridSize?(Math.round(v/this.gridSize)*this.gridSize):v;

};

p._delete=function(_c,_d){

for(var i=0;i<_c.length;i++){

_c[i].setMode(ta.Annotation.Modes.View);

_c[i].destroy(_d);

this.remove(_c[i]);

this._remove(_c[i]);

if(!_d){

_c[i].onRemove();

}

}

_c.splice(0,_c.length);

};

p.onDblClickShape=function(_e,e){

if(_e["onDblClick"]){

_e.onDblClick(e);

}

};

p.onCreateShape=function(_f){

};

p.onBeforeCreateShape=function(_10){

};

p.initialize=function(_11){

this.node=_11;

this.surface=dojox.gfx.createSurface(_11,this.size.w,this.size.h);

this.group=this.surface.createGroup();

this._cons=[];

var es=this.surface.getEventSource();

this._cons.push(dojo.connect(es,"ondraggesture",dojo.stopEvent),dojo.connect(es,"ondragenter",dojo.stopEvent),dojo.connect(es,"ondragover",dojo.stopEvent),dojo.connect(es,"ondragexit",dojo.stopEvent),dojo.connect(es,"ondragstart",dojo.stopEvent),dojo.connect(es,"onselectstart",dojo.stopEvent),dojo.connect(es,"onmousedown",this._md),dojo.connect(es,"onmousemove",this._mm),dojo.connect(es,"onmouseup",this._mu),dojo.connect(es,"onclick",this,"onClick"),dojo.connect(es,"ondblclick",this._dblclick),dojo.connect(_11,"onkeydown",this._keydown));

this.image=this.group.createImage({width:this.imageSize.w,height:this.imageSize.h,src:this.imageSrc});

};

p.destroy=function(_12){

if(!this.node){

return;

}

if(!_12){

if(this.history){

this.history.destroy();

}

if(this._subscribed){

dojo.unsubscribe(this._subscribed);

delete this._subscribed;

}

}

dojo.forEach(this._cons,dojo.disconnect);

this._cons=[];

dojo.empty(this.node);

this.group=this.surface=null;

this.obj={};

this.shapes=[];

};

p.nextKey=function(){

return "annotation-"+this.annCounter++;

};

p.draw=function(){

};

p.zoom=function(pct){

this.zoomFactor=pct/100;

var w=this.size.w*this.zoomFactor;

var h=this.size.h*this.zoomFactor;

this.surface.setDimensions(w,h);

this.group.setTransform(dojox.gfx.matrix.scale(this.zoomFactor,this.zoomFactor));

for(var i=0;i<this.shapes.length;i++){

this.shapes[i].zoom(this.zoomFactor);

}

};

p.getFit=function(){

var wF=(this.node.parentNode.offsetWidth-5)/this.size.w;

var hF=(this.node.parentNode.offsetHeight-5)/this.size.h;

return Math.min(wF,hF)*100;

};

p.unzoom=function(){

this.zoomFactor=1;

this.surface.setDimensions(this.size.w,this.size.h);

this.group.setTransform();

};

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","");

}else{

if(key&&key.indexOf("-labelShape")>-1){

key=key.replace("-labelShape","");

}

}

return this.obj[key];

};

p._keyFromEvt=function(e){

var key=e.target.id+"";

if(key.length==0){

var p=e.target.parentNode;

var _13=this.surface.getEventSource();

while(p&&p.id.length==0&&p!=_13){

p=p.parentNode;

}

key=p.id;

}

return key;

};

p._fromEvt=function(e){

return this._get(this._keyFromEvt(e));

};

p.add=function(_14){

for(var i=0;i<this.shapes.length;i++){

if(this.shapes[i]==_14){

return true;

}

}

this.shapes.push(_14);

return true;

};

p.remove=function(_15){

var idx=-1;

for(var i=0;i<this.shapes.length;i++){

if(this.shapes[i]==_15){

idx=i;

break;

}

}

if(idx>-1){

this.shapes.splice(idx,1);

}

return _15;

};

p.getAnnotator=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){

var _16=t+"Annotation";

if(!ta[_16]){

return;

}

var _17=ann.type(),id=ann.id,_18=ann.label,_19=ann.mode,_1a=ann.tokenId;

var _1b,end,_1c,_1d;

switch(_17){

case "Preexisting":

case "Lead":

_1d={dx:ann.transform.dx,dy:ann.transform.dy};

_1b={x:ann.start.x,y:ann.start.y};

end={x:ann.end.x,y:ann.end.y};

var cx=end.x-((end.x-_1b.x)/2);

var cy=end.y-((end.y-_1b.y)/2);

_1c={x:cx,y:cy};

break;

case "SingleArrow":

case "DoubleArrow":

_1d={dx:ann.transform.dx,dy:ann.transform.dy};

_1b={x:ann.start.x,y:ann.start.y};

end={x:ann.end.x,y:ann.end.y};

_1c={x:ann.control.x,y:ann.control.y};

break;

case "Underline":

_1d={dx:ann.transform.dx,dy:ann.transform.dy};

_1b={x:ann.start.x,y:ann.start.y};

_1c={x:_1b.x+50,y:_1b.y+50};

end={x:_1b.x+100,y:_1b.y+100};

break;

case "Brace":

}

var n=new ta[_16](this,id);

if(n.type()=="Underline"){

n.transform={dx:_1d.dx+_1b.x,dy:_1d.dy+_1b.y};

}else{

if(n.transform){

n.transform=_1d;

}

if(n.start){

n.start=_1b;

}

}

if(n.end){

n.end=end;

}

if(n.control){

n.control=_1c;

}

n.label=_18;

n.token=dojo.lang.shallowCopy(ann.token);

n.initialize();

this.replaceSelection(n,ann);

this._remove(ann);

this.remove(ann);

ann.destroy();

n.setMode(_19);

};

p.setValue=function(_1e){

var obj=dojox.xml.DomParser.parse(_1e);

var _1f=this.node;

this.load(obj,_1f);

};

p.load=function(obj,n){

if(this.surface){

this.destroy(true);

}

var _20=obj.documentElement;

this.size={w:parseFloat(_20.getAttribute("width"),10),h:parseFloat(_20.getAttribute("height"),10)};

var g=_20.childrenByName("g")[0];

var img=g.childrenByName("image")[0];

this.imageSize={w:parseFloat(img.getAttribute("width"),10),h:parseFloat(img.getAttribute("height"),10)};

this.imageSrc=img.getAttribute("xlink:href");

this.initialize(n);

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.onClick=function(){

};

p._loadAnnotation=function(obj){

var _21=obj.getAttribute("dojoxsketch:type")+"Annotation";

if(ta[_21]){

var a=new ta[_21](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;

})();

}