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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 "UndoCommandDispatch.hxx"
#include "ResId.hxx"
#include "macros.hxx"
#include <com/sun/star/util/XModifyBroadcaster.hpp>
#include <com/sun/star/document/UndoFailedException.hpp>
#include <com/sun/star/document/XUndoManagerSupplier.hpp>
#include <osl/mutex.hxx>
#include <vcl/svapp.hxx>
#include <tools/diagnose_ex.h>
#include <svtools/svtools.hrc>
#include <svtools/svtresid.hxx>
using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
namespace chart
{
UndoCommandDispatch::UndoCommandDispatch(
const Reference< uno::XComponentContext > & xContext,
const Reference< frame::XModel > & xModel ) :
CommandDispatch( xContext ),
m_xModel( xModel )
{
uno::Reference< document::XUndoManagerSupplier > xSuppUndo( m_xModel, uno::UNO_QUERY_THROW );
m_xUndoManager.set( xSuppUndo->getUndoManager(), uno::UNO_QUERY_THROW );
}
UndoCommandDispatch::~UndoCommandDispatch()
{}
void UndoCommandDispatch::initialize()
{
Reference< util::XModifyBroadcaster > xBroadcaster( m_xUndoManager, uno::UNO_QUERY );
ENSURE_OR_RETURN_VOID( xBroadcaster.is(), "UndoCommandDispatch::initialize: missing modification broadcaster interface!" );
xBroadcaster->addModifyListener( this );
}
void UndoCommandDispatch::fireStatusEvent(
const OUString & rURL,
const Reference< frame::XStatusListener > & xSingleListener /* = 0 */ )
{
if( m_xUndoManager.is() )
{
const bool bFireAll = rURL.isEmpty();
uno::Any aUndoState, aRedoState;
if( m_xUndoManager->isUndoPossible())
aUndoState <<= ( SvtResId( STR_UNDO ) + m_xUndoManager->getCurrentUndoActionTitle());
if( m_xUndoManager->isRedoPossible())
aRedoState <<= ( SvtResId( STR_REDO ) + m_xUndoManager->getCurrentRedoActionTitle());
if( bFireAll || rURL == ".uno:Undo" )
fireStatusEventForURL( ".uno:Undo", aUndoState, m_xUndoManager->isUndoPossible(), xSingleListener );
if( bFireAll || rURL == ".uno:Redo" )
fireStatusEventForURL( ".uno:Redo", aRedoState, m_xUndoManager->isRedoPossible(), xSingleListener );
}
}
// ____ XDispatch ____
void SAL_CALL UndoCommandDispatch::dispatch(
const util::URL& URL,
const Sequence< beans::PropertyValue >& /* Arguments */ )
{
if( m_xUndoManager.is() )
{
// why is it necessary to lock the solar mutex here?
SolarMutexGuard aSolarGuard;
try
{
if ( URL.Path == "Undo" )
m_xUndoManager->undo();
else
m_xUndoManager->redo();
}
catch( const document::UndoFailedException& )
{
// silently ignore
}
catch( const uno::Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
// \--
}
}
// ____ WeakComponentImplHelperBase ____
/// is called when this is disposed
void SAL_CALL UndoCommandDispatch::disposing()
{
Reference< util::XModifyBroadcaster > xBroadcaster( m_xUndoManager, uno::UNO_QUERY );
OSL_ENSURE( xBroadcaster.is(), "UndoCommandDispatch::initialize: missing modification broadcaster interface!" );
if( xBroadcaster.is() )
{
xBroadcaster->removeModifyListener( this );
}
m_xUndoManager.clear();
m_xModel.clear();
}
// ____ XEventListener (base of XModifyListener) ____
void SAL_CALL UndoCommandDispatch::disposing( const lang::EventObject& /* Source */ )
{
m_xUndoManager.clear();
m_xModel.clear();
}
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
