// Created on: 1994-05-31
// Created by: Christian CAILLET
// Copyright (c) 1994-1999 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 _IGESSelect_DispPerSingleView_HeaderFile
#define _IGESSelect_DispPerSingleView_HeaderFile

#include <Standard.hxx>
#include <Standard_Type.hxx>

#include <IFSelect_Dispatch.hxx>
class IGESSelect_ViewSorter;
class TCollection_AsciiString;
class Interface_Graph;
class IFGraph_SubPartsIterator;
class Interface_EntityIterator;

//! This type of dispatch defines sets of entities attached to
//! distinct single views. This information appears in the
//! Directory Part. Drawings are taken into account too,
//! because of their frames (proper lists of annotations)
//!
//! Remaining data concern entities not attached to a single view.
class IGESSelect_DispPerSingleView : public IFSelect_Dispatch
{

public:
  //! Creates a DispPerSingleView
  Standard_EXPORT IGESSelect_DispPerSingleView();

  //! Returns as Label, "One File per single View or Drawing Frame"
  Standard_EXPORT TCollection_AsciiString Label() const override;

  //! Computes the list of produced Packets. Packets are computed
  //! by a ViewSorter (SortSingleViews with also frames).
  Standard_EXPORT void Packets(const Interface_Graph&    G,
                               IFGraph_SubPartsIterator& packs) const override;

  //! Returns True, because of entities attached to no view.
  Standard_EXPORT bool CanHaveRemainder() const override;

  //! Returns Remainder which is a set of Entities.
  //! It is supposed to be called once Packets has been called.
  Standard_EXPORT Interface_EntityIterator Remainder(const Interface_Graph& G) const override;

  DEFINE_STANDARD_RTTIEXT(IGESSelect_DispPerSingleView, IFSelect_Dispatch)

private:
  occ::handle<IGESSelect_ViewSorter> thesorter;
};

#endif // _IGESSelect_DispPerSingleView_HeaderFile
