// Copyright (C) 2007-2020  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, or (at your option) any later version.
//
// 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_Group.idl
//  Author : Sergey ANIKIN, OCC
//  $Header$
//
#ifndef _SMESH_GROUP_IDL_
#define _SMESH_GROUP_IDL_

#include "SALOME_Exception.idl"
#include "SALOME_GenericObj.idl"
#include "SALOMEDS_Attributes.idl"

#include "SMESH_Mesh.idl"

module SMESH
{
  interface Predicate;
  interface Filter;

  /*!
   * SMESH_Group: base interface of group object
   */
  interface SMESH_GroupBase : SMESH_IDSource
  {
    /*!
     * Sets group name
     */
    void SetName( in string name );

    /*!
     * Returns group name
     */
    string GetName();

    /*!
     * Returns group type (type of elements in the group)
     */
    ElementType GetType();

    /*!
     * Returns the number of elements in the group
     */
    long Size();

    /*!
     * Returns true if the group does not contain any elements
     */
    boolean IsEmpty();

    /*!
     * returns true if the group contains an element with ID == <elem_id> 
     */
    boolean Contains( in long elem_id );

    /*!
     * Returns ID of an element at position <elem_index> counted from 1
     */
    long GetID( in long elem_index );

    /*!
     * Returns a sequence of all element IDs in the group
     */
    long_array GetListOfID();

    /*!
     * Get the number of nodes of cells included to the group
     * For a nodal group returns the same value as Size() function
     */
    long GetNumberOfNodes();

    /*!
     * Get IDs of nodes of cells included to the group
     * For a nodal group returns result of GetListOfID() function
     */
    long_array GetNodeIDs();

    /*!
     * Return true if GetNumberOfNodes() won't take a long time for computation
     */
    boolean IsNodeInfoAvailable();

    /*!
     * Sets group color
     */
    void SetColor(in SALOMEDS::Color theColor);

    /*!
     * Returns group color
     */
    SALOMEDS::Color GetColor();

    /*!
     * Sets group color number
     * (corresponds to the "hue" parameter of the color - must be in range [0, 360])
     */
    void SetColorNumber( in long color );

    /*!
     * Returns group color number (obsolete - use GetColor instead)
     * (corresponds to the "hue" parameter of the color - must be in range [0, 360])
     */
    long GetColorNumber();

    /*!
     * Returns \c true if \c this group depends on the \a other via
     * FT_BelongToMeshGroup predicate or vice versa
     */
    boolean IsInDependency( in SMESH_GroupBase other );
  };

  /*!
   * SMESH_Group: interface of a standalone group object
   */
  interface SMESH_Group : SMESH_GroupBase
  {
    /*!
     * Clears the group's contents
     */
    void Clear();

    /*!
     * Adds elements or nodes with specified identifiers to the group
     */
    long Add( in long_array elem_ids );
    /*!
     * Adds elements or nodes that match specified predicate to the group
     */
    long AddByPredicate( in Predicate thePredicate );
    /*!
     * Add all elements or nodes from the specified source to the group
     */
    long AddFrom( in SMESH_IDSource theSource );

    /*!
     * Removes elements or nodes with specified identifiers from the group
     */
    long Remove( in long_array elem_ids );
    /*!
     * Removes elements or nodes that match specified predicate from the group
     */
    long RemoveByPredicate( in Predicate thePredicate );

  };

  /*!
   * SMESH_GroupOnGeom: interface of a group object linked to geometry
   */
  interface SMESH_GroupOnGeom : SMESH_GroupBase
  {
    GEOM::GEOM_Object GetShape();
  };

  /*!
   * SMESH_GroupOnFilter: interface of a group object defined by filter
   */
  interface SMESH_GroupOnFilter : SMESH_GroupBase
  {
    void   SetFilter( in Filter theFilter) raises (SALOME::SALOME_Exception); 
    Filter GetFilter();

    //! @return True if group contents is computed
    boolean IsUpToDate();
  };

};


#endif