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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /chart2/source/controller/main/UndoGuard.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'chart2/source/controller/main/UndoGuard.cxx')
-rw-r--r-- | chart2/source/controller/main/UndoGuard.cxx | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/chart2/source/controller/main/UndoGuard.cxx b/chart2/source/controller/main/UndoGuard.cxx new file mode 100644 index 0000000000..4e870c36d0 --- /dev/null +++ b/chart2/source/controller/main/UndoGuard.cxx @@ -0,0 +1,152 @@ +/* -*- 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: */ |