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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: undomanager.cxx,v $
* $Revision: 1.6 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
#include <tools/debug.hxx>
#include "undo/undomanager.hxx"
using namespace sd;
UndoManager::UndoManager( USHORT nMaxUndoActionCount /* = 20 */ )
: SfxUndoManager( nMaxUndoActionCount )
, mnListLevel( 0 )
, mpLinkedUndoManager(NULL)
{
}
void UndoManager::EnterListAction(const UniString &rComment, const UniString& rRepeatComment, USHORT nId /* =0 */)
{
if( !isInUndo() )
{
ClearLinkedRedoActions();
mnListLevel++;
SfxUndoManager::EnterListAction( rComment, rRepeatComment, nId );
}
}
void UndoManager::LeaveListAction()
{
if( !isInUndo() )
{
SfxUndoManager::LeaveListAction();
if( mnListLevel )
{
mnListLevel--;
}
else
{
DBG_ERROR("sd::UndoManager::LeaveListAction(), no open list action!" );
}
}
}
void UndoManager::AddUndoAction( SfxUndoAction *pAction, BOOL bTryMerg /* = FALSE */ )
{
if( !isInUndo() )
{
ClearLinkedRedoActions();
SfxUndoManager::AddUndoAction( pAction, bTryMerg );
}
else
{
delete pAction;
}
}
BOOL UndoManager::Undo( USHORT nCount )
{
ScopeLockGuard aGuard( maIsInUndoLock );
return SfxUndoManager::Undo( nCount );
}
BOOL UndoManager::Redo( USHORT nCount )
{
ScopeLockGuard aGuard( maIsInUndoLock );
return SfxUndoManager::Redo( nCount );
}
void UndoManager::SetLinkedUndoManager (SfxUndoManager* pLinkedUndoManager)
{
mpLinkedUndoManager = pLinkedUndoManager;
}
void UndoManager::ClearLinkedRedoActions (void)
{
if (mpLinkedUndoManager != NULL)
mpLinkedUndoManager->ClearRedo();
}
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