// 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.


#include <IFGraph_Cumulate.hxx>
#include <IFSelect_SelectCombine.hxx>
#include <IFSelect_Selection.hxx>
#include <IFSelect_SelectionIterator.hxx>
#include <Standard_Type.hxx>

IMPLEMENT_STANDARD_RTTIEXT(IFSelect_SelectCombine,IFSelect_Selection)

IFSelect_SelectCombine::IFSelect_SelectCombine ()    {  }
//      {  thelist = new IFSelect_SequenceOfSelection();  }

    Standard_Integer  IFSelect_SelectCombine::NbInputs () const 
      {  return thelist.Length();  }

    Handle(IFSelect_Selection)  IFSelect_SelectCombine::Input
  (const Standard_Integer num) const 
      {  return thelist.Value(num);  }

    Standard_Integer  IFSelect_SelectCombine::InputRank
  (const Handle(IFSelect_Selection)& sel) const 
{
  if (sel.IsNull()) return 0;
  Standard_Integer i, nb = thelist.Length();
  for (i = 1; i <= nb; i ++)
    if (sel == thelist.Value(i)) return i;
  return 0;
}

    void  IFSelect_SelectCombine::Add
  (const Handle(IFSelect_Selection)& sel, const Standard_Integer atnum)
{
  if (atnum <= 0 || atnum > thelist.Length()) thelist.Append(sel);
  else thelist.InsertBefore(atnum,sel);
}

    Standard_Boolean  IFSelect_SelectCombine::Remove
  (const Handle(IFSelect_Selection)& sel)
      {  return Remove (InputRank(sel));  }

    Standard_Boolean  IFSelect_SelectCombine::Remove
  (const Standard_Integer num)
{
  if (num <= 0 || num > thelist.Length()) return Standard_False;
  thelist.Remove(num);
  return Standard_True;
}


    Standard_Boolean  IFSelect_SelectCombine::HasUniqueResult () const 
      {  return Standard_True;  }

    void  IFSelect_SelectCombine::FillIterator
  (IFSelect_SelectionIterator& iter) const 
      {  iter.AddList(thelist);  }