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.UndoStack"]){

dojo._hasResource["dojox.sketch.UndoStack"]=true;

dojo.provide("dojox.sketch.UndoStack");

dojo.require("dojox.xml.DomParser");

(function(){

var ta=dojox.sketch;

ta.CommandTypes={Create:"Create",Move:"Move",Modify:"Modify",Delete:"Delete",Convert:"Convert"};

dojo.declare("dojox.sketch.UndoStack",null,{constructor:function(_1){

this.figure=_1;

this._steps=[];

this._undoedSteps=[];

},apply:function(_2,_3,to){

if(!_3&&!to&&_2.fullText){

this.figure.setValue(_2.fullText);

return;

}

var _4=_3.shapeText;

var _5=to.shapeText;

if(_4.length==0&&_5.length==0){

return;

}

if(_4.length==0){

var o=dojox.xml.DomParser.parse(_5).documentElement;

var a=this.figure._loadAnnotation(o);

if(a){

this.figure._add(a);

}

return;

}

if(_5.length==0){

var _6=this.figure.getAnnotator(_3.shapeId);

this.figure._delete([_6],true);

return;

}

var _7=this.figure.getAnnotator(to.shapeId);

var no=dojox.xml.DomParser.parse(_5).documentElement;

_7.draw(no);

this.figure.select(_7);

return;

},add:function(_8,_9,_a){

var id=_9?_9.id:"";

var _b=_9?_9.serialize():"";

if(_8==ta.CommandTypes.Delete){

_b="";

}

var _c={cmdname:_8,before:{shapeId:id,shapeText:_a||""},after:{shapeId:id,shapeText:_b}};

this._steps.push(_c);

this._undoedSteps=[];

},destroy:function(){

},undo:function(){

var _d=this._steps.pop();

if(_d){

this._undoedSteps.push(_d);

this.apply(_d,_d.after,_d.before);

}

},redo:function(){

var _e=this._undoedSteps.pop();

if(_e){

this._steps.push(_e);

this.apply(_e,_e.before,_e.after);

}

}});

})();

}