//  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.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
//
//
//  File   : SMESH_Gen.idl
//  Author : Paul RASCLE, EDF
//  $Header$

#ifndef _SMESH_GEN_IDL_
#define _SMESH_GEN_IDL_

#include "SALOME_Exception.idl"
#include "SALOME_Component.idl"
#include "SALOMEDS.idl"

#include "GEOM_Gen.idl"

#include "SMESH_Mesh.idl"
#include "SMESH_Hypothesis.idl"

module SMESH
{
  typedef sequence<GEOM::GEOM_Object> object_array;
  typedef sequence<SMESH_Mesh>        mesh_array;

  interface FilterManager;
  interface SMESH_Pattern;

  /*!
   * Tags definition
   */
  // Top level
  const long Tag_HypothesisRoot = 1; // hypotheses root
  const long Tag_AlgorithmsRoot = 2; // algorithms root
  const long Tag_FirstMeshRoot  = 3; // first mesh root
  // Mesh/Submesh
  const long Tag_RefOnShape             = 1; // references to shape
  const long Tag_RefOnAppliedHypothesis = 2; // applied hypotheses root
  const long Tag_RefOnAppliedAlgorithms = 3; // applied algorithms root
  // Mesh only: sub-meshes roots by type
  const long Tag_FirstSubMesh           =  4;
  const long Tag_SubMeshOnVertex        =  4;
  const long Tag_SubMeshOnEdge          =  5;
  const long Tag_SubMeshOnWire          =  6;
  const long Tag_SubMeshOnFace          =  7;
  const long Tag_SubMeshOnShell         =  8;
  const long Tag_SubMeshOnSolid         =  9;
  const long Tag_SubMeshOnCompound      = 10;
  const long Tag_LastSubMesh            = 10;
  // Mesh only: group roots by type
  const long Tag_FirstGroup             = 11;
  const long Tag_NodeGroups             = 11;
  const long Tag_EdgeGroups             = 12;
  const long Tag_FaceGroups             = 13;
  const long Tag_VolumeGroups           = 14;
  const long Tag_LastGroup              = 14;

  /*!
   * Hypothesis definintion error
   */
  struct AlgoStateError 
  {
    Hypothesis_Status  state;
    string             algoName;
    long               algoDim;
    boolean            isGlobalAlgo;
  };
  typedef sequence<AlgoStateError> algo_error_array;

  /*!
   * Mesh computation error
   */
  enum ComputeErrorName
  {
    COMPERR_OK            ,
    COMPERR_BAD_INPUT_MESH,  // wrong mesh on lower submesh
    COMPERR_STD_EXCEPTION ,  // some std exception raised
    COMPERR_OCC_EXCEPTION ,  // OCC exception raised
    COMPERR_SLM_EXCEPTION ,  // SALOME exception raised
    COMPERR_EXCEPTION     ,  // other exception raised
    COMPERR_MEMORY_PB     ,  // memory allocation problem
    COMPERR_ALGO_FAILED   ,  // computation failed
    COMPERR_BAD_SHAPE        // bad geometry
  };
  struct ComputeError
  {
    short   code;       // ComputeErrorName or, if negative, algo specific code
    string  comment;    // textual problem description
    string  algoName;
    short   subShapeID; // id of subshape of a shape to mesh
    boolean hasBadMesh; // there are elements preventing computation available for visualization
  };
  typedef sequence<ComputeError> compute_error_array;


  interface SMESH_Gen : Engines::Component, SALOMEDS::Driver
  {
    //GEOM::GEOM_Gen SetGeomEngine( in string containerLoc );
    void SetGeomEngine( in GEOM::GEOM_Gen geomcompo );

    FilterManager CreateFilterManager();

    SMESH_Pattern GetPattern();

    /*!
      Set the current mode
     */
    void SetEmbeddedMode( in boolean theMode );

    /*!
      Get the current mode
     */
    boolean IsEmbeddedMode();

    /*!
      Set the current study
     */
    void SetCurrentStudy( in SALOMEDS::Study theStudy );

    /*!
      Get the current study
     */
    SALOMEDS::Study GetCurrentStudy();

    /*!
     * Create a hypothesis that can be shared by differents parts of the mesh.
     * An hypothesis is either:
     * - a method used to generate or modify a part of the mesh (algorithm).
     * - a parameter or a law used by an algorithm.
     * Algorithms are 1D, 2D or 3D.
     */
    SMESH_Hypothesis CreateHypothesis( in string theHypName,
				       in string theLibName )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Return a hypothesis holding parameter values corresponding either to the mesh
     * existing on the given geometry or to size of the geometry.
     * The returned hypothesis may be the one existing in a study and used
     * to compute the mesh, or a temporary one created just to pass parameter
     * values.
     */
    SMESH_Hypothesis GetHypothesisParameterValues( in string            theHypName,
                                                   in string            theLibName,
                                                   in SMESH_Mesh        theMesh,
                                                   in GEOM::GEOM_Object theGeom,
                                                   in boolean           byMesh)
      raises ( SALOME::SALOME_Exception );

    /*!
     * Set the object name
     */
    void SetName( in string theObjectIOR,
		  in string theObjectName )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Create a Mesh object, given a geometry shape.
     * Mesh is created empty (no points, no elements).
     * Shape is explored via GEOM_Client to create local copies.
     * of TopoDS_Shapes and bind CORBA references of shape & subshapes
     * with TopoDS_Shapes
     */
    SMESH_Mesh CreateMesh( in GEOM::GEOM_Object theObject )
      raises ( SALOME::SALOME_Exception );
    
    /*!
     * Create an empty mesh object
     */
    SMESH_Mesh CreateEmptyMesh()
      raises ( SALOME::SALOME_Exception );
    
    /*!
     * Create Mesh object importing data from given UNV file
     * (UNV supported version is I-DEAS 10)
     */
    SMESH_Mesh CreateMeshesFromUNV( in string theFileName )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Create Mesh object(s) importing data from given MED file
     */
     mesh_array CreateMeshesFromMED( in string theFileName,
				     out SMESH::DriverMED_ReadStatus theStatus )
       raises ( SALOME::SALOME_Exception );

    /*!
     * Create Mesh object importing data from given STL file
     */
    SMESH_Mesh CreateMeshesFromSTL( in string theFileName )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Create a Mesh object, without a geometry shape reference
     */
//      SMESH_Mesh NewEmpty()
//        raises ( SALOME::SALOME_Exception );

    /*!
     * Mesh a subShape. 
     * First, verify list of hypothesis associated with the subShape,
     * return NOK if hypothesis are not sufficient
     */
    boolean Compute( in SMESH_Mesh        theMesh, 
		     in GEOM::GEOM_Object theSubObject )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Return true if hypotheses are defined well
     */
    boolean IsReadyToCompute( in SMESH_Mesh        theMesh, 
			      in GEOM::GEOM_Object theSubObject )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Calculate Mesh as preview till indicated dimension
     * First, verify list of hypothesis associated with the subShape.
     * Return mesh preview structure
     */
    MeshPreviewStruct Precompute( in SMESH_Mesh        theMesh, 
				  in GEOM::GEOM_Object theSubObject,
				  in Dimension         theDimension,
				  inout long_array    theShapesId )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Return errors of hypotheses definintion
     * algo_error_array is empty if everything is OK
     */
    algo_error_array GetAlgoState( in SMESH_Mesh        theMesh, 
                                   in GEOM::GEOM_Object theSubObject )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Return errors of mesh computation
     * compute_error_array is empty if everything is OK
     */
    compute_error_array GetComputeErrors( in SMESH_Mesh        theMesh, 
                                          in GEOM::GEOM_Object theSubObject )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Return mesh elements preventing computation of a subshape
     */
    MeshPreviewStruct GetBadInputElements( in SMESH_Mesh theMesh,
                                           in short      theSubShapeID )
      raises ( SALOME::SALOME_Exception );

    /*!
     * Return indeces of faces, edges and vertices of given subshapes
     * within theMainObject
     */
    long_array GetSubShapesId( in GEOM::GEOM_Object theMainObject,
                               in object_array      theListOfSubObjects )
       raises ( SALOME::SALOME_Exception );

    /*!
     * Return geometrical object the given element is built on.
     * The returned geometrical object, if not nil, is either found in the 
     * study or is published by this method with the given name
     */
    GEOM::GEOM_Object GetGeometryByMeshElement( in SMESH_Mesh  theMesh,
                                                in long        theElementID,
                                                in string      theGeomName)
      raises ( SALOME::SALOME_Exception );

    /*!
     * Return geometrical object the given element is built on.
     * The returned geometrical object not published in study by this method.
     */
    GEOM::GEOM_Object FindGeometryByMeshElement( in SMESH_Mesh  theMesh,
						 in long        theElementID)
      raises ( SALOME::SALOME_Exception );

    /*!
     * Concatenate the given meshes into one mesh.
     * Union groups with the same name and type if
     * theUniteIdenticalGroups flag is true.
     * Merge coincident nodes and elements if 
     * theMergeNodesAndElements flag is true.
     */
    SMESH_Mesh Concatenate(in mesh_array theMeshesArray, 
			   in boolean    theUniteIdenticalGroups, 
			   in boolean    theMergeNodesAndElements, 
			   in double     theMergeTolerance)
      raises ( SALOME::SALOME_Exception );

    /*!
     * Concatenate the given meshes into one mesh.
     * Union groups with the same name and type if
     * theUniteIdenticalGroups flag is true.
     * Merge coincident nodes and elements if 
     * theMergeNodesAndElements flag is true.
     * Create the groups of all elements from initial meshes.
     */
    SMESH_Mesh ConcatenateWithGroups(in mesh_array theMeshesArray, 
				     in boolean    theUniteIdenticalGroups, 
                                     in boolean    theMergeNodesAndElements, 
                                     in double     theMergeTolerance)
      raises ( SALOME::SALOME_Exception );

    /*!
     * \brief Return id of object, registered in current study context
     *
     * Can be used to check if the object was created in the same container, as this engine.
     */
    long GetObjectId(in Object theObject);
  };

};

#endif