// 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 <IFSelect_Selection.hxx>
#include <IFSelect_SelectionIterator.hxx>
#include <Standard_NoSuchObject.hxx>

IFSelect_SelectionIterator::IFSelect_SelectionIterator()
{
  thecurr = 1;
  thelist = new NCollection_HSequence<occ::handle<IFSelect_Selection>>();
}

IFSelect_SelectionIterator::IFSelect_SelectionIterator(const occ::handle<IFSelect_Selection>& sel)
{
  thecurr = 1;
  thelist = new NCollection_HSequence<occ::handle<IFSelect_Selection>>();
  sel->FillIterator(*this);
}

void IFSelect_SelectionIterator::AddFromIter(IFSelect_SelectionIterator& iter)
{
  for (; iter.More(); iter.Next())
  {
    AddItem(iter.Value());
  }
}

void IFSelect_SelectionIterator::AddItem(const occ::handle<IFSelect_Selection>& sel)
{
  if (!sel.IsNull())
  {
    thelist->Append(sel);
  }
}

void IFSelect_SelectionIterator::AddList(
  const NCollection_Sequence<occ::handle<IFSelect_Selection>>& list)
{
  int nb = list.Length(); // <list> Pas Handle  <thelist> Handle
  for (int i = 1; i <= nb; i++)
  {
    thelist->Append(list.Value(i));
  }
}

bool IFSelect_SelectionIterator::More() const
{
  return (thecurr <= thelist->Length());
}

void IFSelect_SelectionIterator::Next()
{
  thecurr++;
}

const occ::handle<IFSelect_Selection>& IFSelect_SelectionIterator::Value() const
{
  return thelist->Value(thecurr);
}
