// Created on: 1993-01-09
// Created by: CKY / Contract Toubro-Larsen ( TCD )
// Copyright (c) 1993-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _IGESGraph_DefinitionLevel_HeaderFile
#define _IGESGraph_DefinitionLevel_HeaderFile

#include "Standard.hxx"

#include "Standard_Integer.hxx"
#include "NCollection_Array1.hxx"
#include "NCollection_HArray1.hxx"
#include "IGESData_LevelListEntity.hxx"

//! defines IGESDefinitionLevel, Type <406> Form <1>
//! in package IGESGraph
//!
//! Indicates the no. of levels on which an entity is
//! defined
class IGESGraph_DefinitionLevel : public IGESData_LevelListEntity
{

public:
  Standard_EXPORT IGESGraph_DefinitionLevel();

  //! This method is used to set the fields of the class
  //! DefinitionLevel
  //! - allLevelNumbers : Values of Level Numbers
  Standard_EXPORT void Init(const occ::handle<NCollection_HArray1<int>>& allLevelNumbers);

  //! returns the number of property values in <me>
  Standard_EXPORT int NbPropertyValues() const;

  //! Must return the count of levels (== NbPropertyValues)
  Standard_EXPORT int NbLevelNumbers() const override;

  //! returns the Level Number of <me> indicated by <LevelIndex>
  //! raises an exception if LevelIndex is <= 0 or
  //! LevelIndex > NbPropertyValues
  Standard_EXPORT int LevelNumber(const int LevelIndex) const override;

  DEFINE_STANDARD_RTTIEXT(IGESGraph_DefinitionLevel, IGESData_LevelListEntity)

private:
  occ::handle<NCollection_HArray1<int>> theLevelNumbers;
};

#endif // _IGESGraph_DefinitionLevel_HeaderFile