/* -*- 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 <ChartModel.hxx>
#include <com/sun/star/document/XUndoManager.hpp>
#include <utility>
#include <comphelper/diagnose_ex.hxx>
using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;
namespace chart
{
UndoGuard::UndoGuard( OUString i_undoString, const uno::Reference< document::XUndoManager > & i_undoManager,
const ModelFacet i_facet )
:m_xUndoManager( i_undoManager )
,m_aUndoString(std::move( i_undoString ))
,m_bActionPosted( false )
{
m_xChartModel = dynamic_cast <::chart::ChartModel*>(i_undoManager->getParent().get());
assert(m_xChartModel);
m_pDocumentSnapshot = std::make_shared<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("chart2" );
}
}
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("chart2" );
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("chart2" );
}
}
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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