smesh/src/SMESH/SMESH_subMesh.hxx

//  SMESH SMESH : implementaion of SMESH idl descriptions
//
//  Copyright (C) 2003  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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
//
//
//
//  File   : SMESH_subMesh.hxx
//  Author : Paul RASCLE, EDF
//  Module : SMESH
//  $Header$

#ifndef _SMESH_SUBMESH_HXX_
#define _SMESH_SUBMESH_HXX_

#include "SMESHDS_Mesh.hxx"
#include "SMESHDS_SubMesh.hxx"
#include "Utils_SALOME_Exception.hxx"
#include <TopoDS_Shape.hxx>
#include <TColStd_IndexedMapOfTransient.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>

#include <set>
#include <list>
#include <map>

class SMESH_Mesh;
class SMESH_Hypothesis;

class SMESH_subMesh
{
  public:
	SMESH_subMesh(int Id, SMESH_Mesh * father, SMESHDS_Mesh * meshDS,
		const TopoDS_Shape & aSubShape);
	virtual ~ SMESH_subMesh();

	int GetId();

//   bool Contains(const TopoDS_Shape & aSubShape)
//     throw (SALOME_Exception);

	SMESHDS_SubMesh * GetSubMeshDS() throw(SALOME_Exception);

	SMESH_subMesh *GetFirstToCompute() throw(SALOME_Exception);

	const map < int, SMESH_subMesh * >&DependsOn();
	const map < int, SMESH_subMesh * >&Dependants();

	const TopoDS_Shape & GetSubShape();

	bool _vertexSet;			// only for vertex subMesh, set to false for dim > 0

	enum compute_state
	{ NOT_READY, READY_TO_COMPUTE,
		COMPUTE_OK, FAILED_TO_COMPUTE
	};
	enum algo_state
	{ NO_ALGO, MISSING_HYP, HYP_OK };
	enum algo_event
	{ ADD_HYP, ADD_ALGO,
		REMOVE_HYP, REMOVE_ALGO,
		ADD_FATHER_HYP, ADD_FATHER_ALGO,
		REMOVE_FATHER_HYP, REMOVE_FATHER_ALGO
	};
	enum compute_event
	{ MODIF_HYP, MODIF_ALGO_STATE, COMPUTE,
		CLEAN, CLEANDEP, SUBMESH_COMPUTED
	};

	bool AlgoStateEngine(int event, SMESH_Hypothesis * anHyp)
		throw(SALOME_Exception);

	void SubMeshesAlgoStateEngine(int event, SMESH_Hypothesis * anHyp)
		throw(SALOME_Exception);

	void DumpAlgoState(bool isMain);

	bool ComputeStateEngine(int event) throw(SALOME_Exception);

	int GetComputeState()
	{
		return _computeState;
	};

  protected:
	void InsertDependence(const TopoDS_Shape aSubShape);
//   void FinalizeDependence(list<TopoDS_Shape>& shapeList);

	bool SubMeshesComputed() throw(SALOME_Exception);

	bool SubMeshesReady();

	void RemoveSubMeshElementsAndNodes();
	void UpdateDependantsState();
	void CleanDependants();
	void ExtractDependants(const TopTools_IndexedDataMapOfShapeListOfShape & M,
		const TopAbs_ShapeEnum etype);
	void SetAlgoState(int state);

	TopoDS_Shape _subShape;
	SMESHDS_Mesh * _meshDS;
	SMESHDS_SubMesh * _subMeshDS;
	int _Id;
	SMESH_Mesh *_father;
	map < int, SMESH_subMesh * >_mapDepend;
	map < int, SMESH_subMesh * >_mapDependants;
	bool _dependenceAnalysed;
	bool _dependantsFound;

	int _algoState;
	int _oldAlgoState;
	int _computeState;

};

#endif