//  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_APPENDFILTER_H
#define VTKVIEWER_APPENDFILTER_H

#include "VTKViewer.h"

#include <vtkAppendFilter.h>
#include <vtkSmartPointer.h>

#include <vector>
#include <map>

class vtkPointSet;

#ifdef WIN32
#pragma warning ( disable:4251 )
#endif

/*! \brief This class used same as vtkAppendFilter. See documentation on VTK for more information.
 */
class VTKVIEWER_EXPORT VTKViewer_AppendFilter : public vtkAppendFilter 
{
public:
  /*! \fn static VTKViewer_AppendFilter *New()
   */
  static VTKViewer_AppendFilter *New();
  
  /*! \fn vtkTypeRevisionMacro(VTKViewer_AppendFilter, vtkAppendFilter)
   *  \brief VTK type revision macros.
   */
  vtkTypeRevisionMacro(VTKViewer_AppendFilter, vtkAppendFilter);

  void SetDoMappingFlag(const bool theFlag);

  bool DoMappingFlag() const;

  void
  SetSharedPointsDataSet(vtkPointSet* thePointsDataSet);

  vtkPointSet*
  GetSharedPointsDataSet();

  vtkIdType
  GetPointOutputID(vtkIdType theInputID,
                   vtkIdType theInputDataSetID);

  vtkIdType
  GetCellOutputID(vtkIdType theInputID,
                  vtkIdType theInputDataSetID);

  void 
  GetPointInputID(vtkIdType theOutputID,
                 vtkIdType& theInputID,
                 vtkIdType& theStartID,
                 vtkIdType& theInputDataSetID);

  void
  GetCellInputID(vtkIdType theOutputID,
                 vtkIdType& theInputID,
                 vtkIdType& theStartID,
                 vtkIdType& theInputDataSetID);

  typedef std::vector<vtkIdType> TVectorIds;

protected:
  /*! \fn VTKViewer_AppendFilter();
   * \brief Constructor
   */
  VTKViewer_AppendFilter();
  /*! \fn ~VTKViewer_AppendFilter();
   * \brief Destructor.
   */
  ~VTKViewer_AppendFilter();

  // Usual data generation method
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  virtual int FillInputPortInformation(int port, vtkInformation *info);
  
  void DoMapping();

  void Reset();

  int MakeOutput(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  bool myDoMappingFlag;
  TVectorIds myNodeRanges;
  TVectorIds myCellRanges;
  vtkSmartPointer<vtkPointSet> mySharedPointsDataSet;
};

#ifdef WIN32
#pragma warning ( default:4251 )
#endif

#endif
