/*
 *  Main authors:
 *     Niko Paltzer <nikopp@ps.uni-sb.de>
 *
 *  Copyright:
 *     Niko Paltzer, 2007
 *
 *  Last modified:
 *     $Date: 2008-07-11 10:37:06 +0200 (Fri, 11 Jul 2008) $ by $Author: tack $
 *     $Revision: 7340 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#ifndef GECODE_GIST_VISUALISATION_SETVARITEM_HH
#define GECODE_GIST_VISUALISATION_SETVARITEM_HH

#include <QtCore>

#include "gecode/gist/visualisation/varitem.hh"

namespace Gecode { namespace Gist { namespace Visualisation {

class SetVarItem : public VarItem {
  
public:
  typedef int ItemData;
  static ItemData initData(QVector<Reflection::VarSpec*> specs);

  SetVarItem(Reflection::VarSpec* spec, const ItemData& data,
             QGraphicsItem *parent = 0);

  void display(Reflection::VarSpec* spec);
  void displayOld(int pit); ///< Use to show the variable at point in time \a pit

protected:
  virtual void initGraphic(void); 
  virtual void updateGraphic(void);
  virtual void store(Reflection::VarSpec* spec); ///< store the information of the variable on the stack

  QVector<QGraphicsRectItem*> domainItems;
  QGraphicsTextItem* cardText;
  int initMin; ///< Initial domain minimum
  int initMax; ///< Initial domain maximum
  int offset; ///< Offset of first item
  int arraylength;
  QStack<QBitArray> updates; ///< Collected updates
  QStack<int> bound_updates;
};

}}}

#endif

// STATISTICS: gist-any