152 lines
4.3 KiB
C++
152 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "UndoGuard.hxx"
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#include "ChartModelClone.hxx"
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#include "UndoActions.hxx"
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#include <ChartModel.hxx>
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#include <com/sun/star/document/XUndoManager.hpp>
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#include <utility>
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#include <comphelper/diagnose_ex.hxx>
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using namespace ::com::sun::star;
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using ::com::sun::star::uno::Reference;
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namespace chart
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{
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UndoGuard::UndoGuard( OUString i_undoString, const uno::Reference< document::XUndoManager > & i_undoManager,
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const ModelFacet i_facet )
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:m_xUndoManager( i_undoManager )
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,m_aUndoString(std::move( i_undoString ))
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,m_bActionPosted( false )
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{
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m_xChartModel = dynamic_cast<::chart::ChartModel*>(i_undoManager->getParent().get());
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assert(m_xChartModel);
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m_pDocumentSnapshot = std::make_shared<ChartModelClone>( m_xChartModel, i_facet );
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}
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UndoGuard::~UndoGuard()
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{
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if ( m_pDocumentSnapshot )
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discardSnapshot();
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}
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void UndoGuard::commit()
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{
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if ( !m_bActionPosted && m_pDocumentSnapshot )
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{
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try
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{
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const Reference< document::XUndoAction > xAction( new impl::UndoElement( m_aUndoString, m_xChartModel, m_pDocumentSnapshot ) );
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m_pDocumentSnapshot.reset(); // don't dispose, it's data went over to the UndoElement
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m_xUndoManager->addUndoAction( xAction );
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}
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catch( const uno::Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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}
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}
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m_bActionPosted = true;
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}
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void UndoGuard::rollback()
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{
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ENSURE_OR_RETURN_VOID( !!m_pDocumentSnapshot, "no snapshot!" );
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m_pDocumentSnapshot->applyToModel( m_xChartModel );
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discardSnapshot();
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}
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void UndoGuard::discardSnapshot()
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{
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ENSURE_OR_RETURN_VOID( !!m_pDocumentSnapshot, "no snapshot!" );
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m_pDocumentSnapshot->dispose();
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m_pDocumentSnapshot.reset();
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}
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UndoLiveUpdateGuard::UndoLiveUpdateGuard( const OUString& i_undoString, const uno::Reference< document::XUndoManager >& i_undoManager )
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:UndoGuard( i_undoString, i_undoManager, E_MODEL )
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{
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}
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UndoLiveUpdateGuard::~UndoLiveUpdateGuard()
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{
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if ( !isActionPosted() )
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rollback();
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}
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UndoLiveUpdateGuardWithData::UndoLiveUpdateGuardWithData(
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const OUString& i_undoString, const uno::Reference< document::XUndoManager >& i_undoManager )
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:UndoGuard( i_undoString, i_undoManager, E_MODEL_WITH_DATA )
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{
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}
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UndoLiveUpdateGuardWithData::~UndoLiveUpdateGuardWithData()
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{
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if ( !isActionPosted() )
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rollback();
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}
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UndoGuardWithSelection::UndoGuardWithSelection(
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const OUString& i_undoString, const uno::Reference< document::XUndoManager >& i_undoManager )
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:UndoGuard( i_undoString, i_undoManager, E_MODEL_WITH_SELECTION )
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{
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}
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UndoGuardWithSelection::~UndoGuardWithSelection()
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{
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if ( !isActionPosted() )
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rollback();
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}
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HiddenUndoContext::HiddenUndoContext( const Reference< document::XUndoManager > & i_undoManager )
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:m_xUndoManager( i_undoManager )
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{
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ENSURE_OR_THROW( m_xUndoManager.is(), "invalid undo manager!" );
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try
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{
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m_xUndoManager->enterHiddenUndoContext();
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}
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catch( const uno::Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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m_xUndoManager.clear();
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// prevents the leaveUndoContext in the dtor
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}
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}
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HiddenUndoContext::~HiddenUndoContext()
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{
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try
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{
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if ( m_xUndoManager.is() )
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m_xUndoManager->leaveUndoContext();
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}
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catch( const uno::Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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}
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}
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} // namespace chart
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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