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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "UndoGuard.hxx"
#include "ChartModelClone.hxx"
#include "UndoActions.hxx"
#include <com/sun/star/container/XChild.hpp>
#include <tools/diagnose_ex.h>
using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;
namespace chart
{
UndoGuard::UndoGuard( const OUString& i_undoString, const uno::Reference< document::XUndoManager > & i_undoManager,
const ModelFacet i_facet )
:m_xChartModel( i_undoManager->getParent(), uno::UNO_QUERY_THROW )
,m_xUndoManager( i_undoManager )
,m_pDocumentSnapshot()
,m_aUndoString( i_undoString )
,m_bActionPosted( false )
{
m_pDocumentSnapshot.reset( new ChartModelClone( m_xChartModel, i_facet ) );
}
UndoGuard::~UndoGuard()
{
if ( !!m_pDocumentSnapshot )
discardSnapshot();
}
void UndoGuard::commit()
{
if ( !m_bActionPosted && !!m_pDocumentSnapshot )
{
try
{
const Reference< document::XUndoAction > xAction( new impl::UndoElement( m_aUndoString, m_xChartModel, m_pDocumentSnapshot ) );
m_pDocumentSnapshot.reset(); // don't dispose, it's data went over to the UndoElement
m_xUndoManager->addUndoAction( xAction );
}
catch( const uno::Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
m_bActionPosted = true;
}
void UndoGuard::rollback()
{
ENSURE_OR_RETURN_VOID( !!m_pDocumentSnapshot, "no snapshot!" );
m_pDocumentSnapshot->applyToModel( m_xChartModel );
discardSnapshot();
}
void UndoGuard::discardSnapshot()
{
ENSURE_OR_RETURN_VOID( !!m_pDocumentSnapshot, "no snapshot!" );
m_pDocumentSnapshot->dispose();
m_pDocumentSnapshot.reset();
}
UndoLiveUpdateGuard::UndoLiveUpdateGuard( const OUString& i_undoString, const uno::Reference< document::XUndoManager >& i_undoManager )
:UndoGuard( i_undoString, i_undoManager, E_MODEL )
{
}
UndoLiveUpdateGuard::~UndoLiveUpdateGuard()
{
if ( !isActionPosted() )
rollback();
}
UndoLiveUpdateGuardWithData::UndoLiveUpdateGuardWithData(
const OUString& i_undoString, const uno::Reference< document::XUndoManager >& i_undoManager )
:UndoGuard( i_undoString, i_undoManager, E_MODEL_WITH_DATA )
{
}
UndoLiveUpdateGuardWithData::~UndoLiveUpdateGuardWithData()
{
if ( !isActionPosted() )
rollback();
}
UndoGuardWithSelection::UndoGuardWithSelection(
const OUString& i_undoString, const uno::Reference< document::XUndoManager >& i_undoManager )
:UndoGuard( i_undoString, i_undoManager, E_MODEL_WITH_SELECTION )
{
}
UndoGuardWithSelection::~UndoGuardWithSelection()
{
if ( !isActionPosted() )
rollback();
}
HiddenUndoContext::HiddenUndoContext( const Reference< document::XUndoManager > & i_undoManager )
:m_xUndoManager( i_undoManager )
{
ENSURE_OR_THROW( m_xUndoManager.is(), "invalid undo manager!" );
try
{
m_xUndoManager->enterHiddenUndoContext();
}
catch( const uno::Exception& )
{
DBG_UNHANDLED_EXCEPTION();
m_xUndoManager.clear();
// prevents the leaveUndoContext in the dtor
}
}
HiddenUndoContext::~HiddenUndoContext()
{
try
{
if ( m_xUndoManager.is() )
m_xUndoManager->leaveUndoContext();
}
catch( const uno::Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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