//  Copyright (C) 2007-2010  CEA/DEN, EDF R&D, OPEN CASCADE
//
//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License.
//
//  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
//
//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef VTKVIEWER_VIEWMODEL_H
#define VTKVIEWER_VIEWMODEL_H

#include "VTKViewer.h"
#include "SUIT_ViewModel.h"

#include <QColor>

class QMouseEvent;

class SUIT_ViewWindow;
class SUIT_Desktop;

class VTKVIEWER_EXPORT VTKViewer_Viewer: public SUIT_ViewModel
{
  Q_OBJECT

public:
  /*!Initialize type of viewer.*/
  static QString Type() { return "VTKViewer"; }

  VTKViewer_Viewer();
  virtual ~VTKViewer_Viewer();

  virtual SUIT_ViewWindow* createView(SUIT_Desktop* theDesktop);

  virtual void             setViewManager(SUIT_ViewManager* theViewManager);
  virtual void             contextMenuPopup( QMenu* );
  /*!Gets type of viewer.*/
  virtual QString          getType() const { return Type(); }

public:
  void enableSelection(bool isEnabled);
  /*!Checks: is selection enabled*/
  bool isSelectionEnabled() const { return mySelectionEnabled; }

  void enableMultiselection(bool isEnable);
  /*!Checks: is multi selection enabled*/
  bool isMultiSelectionEnabled() const { return myMultiSelectionEnabled; }

  int  getSelectionCount() const;

  QColor backgroundColor() const;
  void   setBackgroundColor( const QColor& );

signals:
  void selectionChanged();

protected slots:
  void onMousePress(SUIT_ViewWindow*, QMouseEvent*);
  void onMouseMove(SUIT_ViewWindow*, QMouseEvent*);
  void onMouseRelease(SUIT_ViewWindow*, QMouseEvent*);

  void onDumpView();
  void onShowToolbar();
  void onChangeBgColor();

private:
  QColor myBgColor;
  bool   mySelectionEnabled;
  bool   myMultiSelectionEnabled;
};

#endif
