// Created on: 2002-11-19
// Created by: Vladimir ANIKIN
// Copyright (c) 2002-2014 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 "TDF_Data.hxx"

//=======================================================================
// function : SetNestedTransactionMode
// purpose  : Sets nested transaction mode if isAllowed == true
//=======================================================================

inline void TDocStd_Document::SetNestedTransactionMode(const bool isAllowed)
{
  myIsNestedTransactionMode = isAllowed;
}

//=======================================================================
// function : SetNestedTransactionMode
// purpose  : Sets nested transaction mode if isAllowed == true
//=======================================================================

inline bool TDocStd_Document::IsNestedTransactionMode() const
{
  return myIsNestedTransactionMode;
}

//=======================================================================
// function : IsModified
// purpose  : returns True if document differs from the state of last saving.
//           this method have to be called only working in the transaction mode
//=======================================================================

inline bool TDocStd_Document::IsChanged() const
{
  return myData->Time() != mySaveTime;
}

//=======================================================================
// function : SetSaved
// purpose  : This method have to be called to show document that it has been saved
//=======================================================================

inline void TDocStd_Document::SetSaved()
{
  mySaveTime = myData->Time();
}

//=======================================================================
// function : SetModificationMode
// purpose  : if theTransactionOnly is True changes is denied outside transactions
//=======================================================================

inline void TDocStd_Document::SetModificationMode(const bool theTransactionOnly)
{
  myOnlyTransactionModification = theTransactionOnly;

  // deny or allow modifications according to transaction state
  if (myOnlyTransactionModification)
  {
    myData->AllowModification(myUndoTransaction.IsOpen());
  }
  else
  {
    myData->AllowModification(true);
  }
}

//=======================================================================
// function : ModificationMode
// purpose  : returns True if changes allowed only inside transactions
//=======================================================================

inline bool TDocStd_Document::ModificationMode() const
{
  return myOnlyTransactionModification;
}

//=======================================================================
// function : SetSavedTime
// purpose  : Say to document what it is not saved. Use value, returned earlier by GetSavedTime().
//=======================================================================
inline void TDocStd_Document::SetSavedTime(const int theTime)
{
  mySaveTime = theTime;
}

//=======================================================================
// function : GetSavedTime
// purpose  : Returns value of <mySavedTime> to be used later in SetSavedTime()
//=======================================================================
inline int TDocStd_Document::GetSavedTime() const
{
  return mySaveTime;
}

//=======================================================================
// function : SetEmptyLabelsSavingMode
// purpose  : Sets saving mode for empty labels. If true,
//           empty labels will be saved.
//=======================================================================
inline void TDocStd_Document::SetEmptyLabelsSavingMode(const bool isAllowed)
{
  mySaveEmptyLabels = isAllowed;
}

//=======================================================================
// function : EmptyLabelsSavingMode
// purpose  : Returns saving mode for empty labels
//=======================================================================
inline bool TDocStd_Document::EmptyLabelsSavingMode() const
{
  return mySaveEmptyLabels;
}