Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 145 insertions, 0 deletions

diff --git a/chart2/source/controller/main/UndoCommandDispatch.cxx b/chart2/source/controller/main/UndoCommandDispatch.cxx
new file mode 100644
index 000000000..03897adf3
--- /dev/null
+++ b/chart2/source/controller/main/UndoCommandDispatch.cxx
@@ -0,0 +1,145 @@
+/* -*- 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 <ChartModel.hxx>
+
+#include <com/sun/star/util/XModifyBroadcaster.hpp>
+#include <com/sun/star/document/UndoFailedException.hpp>
+
+#include <vcl/svapp.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <svtools/strings.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 rtl::Reference<::chart::ChartModel> & xModel ) :
+        CommandDispatch( xContext ),
+        m_xModel( xModel )
+{
+    m_xUndoManager.set( m_xModel->getUndoManager(), uno::UNO_SET_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() )
+        return;
+
+    const bool bFireAll = rURL.isEmpty();
+    uno::Any aUndoState, aRedoState, aUndoStrings, aRedoStrings;
+    if( m_xUndoManager->isUndoPossible())
+        aUndoState <<= SvtResId( STR_UNDO ) + m_xUndoManager->getCurrentUndoActionTitle();
+    if( m_xUndoManager->isRedoPossible())
+        aRedoState <<= SvtResId( STR_REDO ) + m_xUndoManager->getCurrentRedoActionTitle();
+
+    aUndoStrings <<= m_xUndoManager->getAllUndoActionTitles();
+    aRedoStrings <<= m_xUndoManager->getAllRedoActionTitles();
+
+    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 );
+    if( bFireAll || rURL == ".uno:GetUndoStrings" )
+        fireStatusEventForURL( ".uno:GetUndoStrings", aUndoStrings, true, xSingleListener );
+    if( bFireAll || rURL == ".uno:GetRedoStrings" )
+        fireStatusEventForURL( ".uno:GetRedoStrings", aRedoStrings, true, xSingleListener );
+}
+
+// ____ XDispatch ____
+void SAL_CALL UndoCommandDispatch::dispatch(
+    const util::URL& URL,
+    const Sequence< beans::PropertyValue >& Arguments )
+{
+    if( !m_xUndoManager.is() )
+        return;
+
+    // why is it necessary to lock the solar mutex here?
+    SolarMutexGuard aSolarGuard;
+    try
+    {
+        sal_Int16 nCount( 1 );
+        if ( Arguments.hasElements() && Arguments[0].Name == URL.Path )
+            Arguments[0].Value >>= nCount;
+
+        while ( nCount-- )
+        {
+            if ( URL.Path == "Undo" )
+                m_xUndoManager->undo();
+            else
+                m_xUndoManager->redo();
+        }
+    }
+    catch( const document::UndoFailedException& )
+    {
+        // silently ignore
+    }
+    catch( const uno::Exception& )
+    {
+        DBG_UNHANDLED_EXCEPTION("chart2");
+    }
+    // \--
+}
+
+// ____ 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: */