//  Copyright (C) 2007-2008  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
//
//  SMESH SMDS : implementaion of Salome mesh data structure
//
#ifndef _SMDS_PolygonalFaceOfNodes_HeaderFile
#define _SMDS_PolygonalFaceOfNodes_HeaderFile

#include "SMESH_SMDS.hxx"

#include "SMDS_MeshFace.hxx"
//#include "SMDS_FaceOfNodes.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMDS_Iterator.hxx"

#include <iostream>

//class SMDS_PolygonalFaceOfNodes:public SMDS_FaceOfNodes
class SMDS_EXPORT SMDS_PolygonalFaceOfNodes:public SMDS_MeshFace
{
 public:
  SMDS_PolygonalFaceOfNodes (std::vector<const SMDS_MeshNode *> nodes);

  virtual SMDSAbs_ElementType GetType() const;
  virtual bool IsPoly() const { return true; };

  bool ChangeNodes (std::vector<const SMDS_MeshNode *> nodes);

  bool ChangeNodes (const SMDS_MeshNode* nodes[],
                    const int            nbNodes);
  // to support the same interface, as SMDS_FaceOfNodes

  virtual int NbNodes() const;
  virtual int NbEdges() const;
  virtual int NbFaces() const;

  virtual void Print (std::ostream & OS) const;

  /*!
   * \brief Return node by its index
    * \param ind - node index
    * \retval const SMDS_MeshNode* - the node
   * 
   * Index is wrapped if it is out of a valid range
   */
  virtual const SMDS_MeshNode* GetNode(const int ind) const;

 protected:
  virtual SMDS_ElemIteratorPtr elementsIterator (SMDSAbs_ElementType type) const;

 private:
  std::vector<const SMDS_MeshNode *> myNodes;
};

#endif