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/* This notice must be untouched at all times.

Open-jACOB Draw2D
The latest version is available at
http://www.openjacob.org

Copyright (c) 2006 Andreas Herz. All rights reserved.
Created 5. 11. 2006 by Andreas Herz (Web: http://www.freegroup.de )

LICENSE: LGPL

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License (LGPL) as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA,
or see http://www.gnu.org/copyleft/lesser.html
*/

/**
 * 
 * @version 0.9.14
 * @author Andreas Herz
 * @constructor
 */
draw2d.CommandAdd=function(/*:draw2d.Canvas*/ canvas, /*:draw2d.Figure*/ figure, /*:int*/x, /*:int*/y, /*:draw2d.CompartmentFigure*/ parent)
{
   draw2d.Command.call(this,"add figure");
   this.parent   = parent; // draw2d.CompartmentFigure
   this.figure   = figure;
   this.x        = x;
   this.y        = y;
   this.workflow = canvas;
}

draw2d.CommandAdd.prototype = new draw2d.Command;
/** @private **/
draw2d.CommandAdd.prototype.type="CommandAdd";

/**
 * Execute the command the first time
 * 
 **/
draw2d.CommandAdd.prototype.execute=function()
{
   this.redo();
}

/**
 * Undo the command
 *
 **/
draw2d.CommandAdd.prototype.redo=function()
{
    if(this.x && this.y) 
    	this.workflow.addFigure(this.figure,this.x, this.y);
    else
    	this.workflow.addFigure(this.figure);
    this.workflow.setCurrentSelection(this.figure);
    if(this.parent!=null)
      this.parent.addChild(this.figure);
}

/** Redo the command after the user has undo this command
 *
 **/
draw2d.CommandAdd.prototype.undo=function()
{
    this.workflow.removeFigure(this.figure);
    this.workflow.setCurrentSelection(null);
    // remove this figure from the parent CompartmentFigure
    //
    if(this.parent!=null)
      this.parent.removeChild(this.figure);
}