1 files changed, 115 insertions, 0 deletions
diff --git a/chart2/source/controller/main/UndoActions.cxx b/chart2/source/controller/main/UndoActions.cxx
new file mode 100644
index 0000000000..cf2de5eb5a
--- /dev/null
+++ b/chart2/source/controller/main/UndoActions.cxx
@@ -0,0 +1,115 @@
+/* -*- 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 "UndoActions.hxx"
+#include "ChartModelClone.hxx"
+#include <ChartModel.hxx>
+
+#include <com/sun/star/lang/DisposedException.hpp>
+
+#include <svx/svdundo.hxx>
+
+#include <memory>
+#include <utility>
+
+using namespace ::com::sun::star;
+
+namespace chart::impl
+{
+    using ::com::sun::star::lang::DisposedException;
+
+UndoElement::UndoElement( OUString i_actionString, rtl::Reference<::chart::ChartModel> i_documentModel, std::shared_ptr< ChartModelClone > i_modelClone )
+    :m_sActionString(std::move( i_actionString ))
+    ,m_xDocumentModel(std::move( i_documentModel ))
+    ,m_pModelClone(std::move( i_modelClone ))
+{
+}
+
+UndoElement::~UndoElement()
+{
+}
+
+void UndoElement::disposing(std::unique_lock<std::mutex>&)
+{
+    if ( m_pModelClone )
+        m_pModelClone->dispose();
+    m_pModelClone.reset();
+    m_xDocumentModel.clear();
+}
+
+OUString SAL_CALL UndoElement::getTitle()
+{
+    return m_sActionString;
+}
+
+void UndoElement::impl_toggleModelState()
+{
+    // get a snapshot of the current state of our model
+    auto pNewClone = std::make_shared<ChartModelClone>( m_xDocumentModel, m_pModelClone->getFacet() );
+    // apply the previous snapshot to our model
+    m_pModelClone->applyToModel( m_xDocumentModel );
+    // remember the new snapshot, for the next toggle
+    m_pModelClone = pNewClone;
+}
+
+void SAL_CALL UndoElement::undo(  )
+{
+    impl_toggleModelState();
+}
+
+void SAL_CALL UndoElement::redo(  )
+{
+    impl_toggleModelState();
+}
+
+// = ShapeUndoElement
+
+ShapeUndoElement::ShapeUndoElement( std::unique_ptr<SdrUndoAction> xSdrUndoAction )
+    :m_xAction( std::move(xSdrUndoAction) )
+{
+}
+
+ShapeUndoElement::~ShapeUndoElement()
+{
+}
+
+OUString SAL_CALL ShapeUndoElement::getTitle()
+{
+    if ( !m_xAction )
+        throw DisposedException( OUString(), *this );
+    return m_xAction->GetComment();
+}
+
+void SAL_CALL ShapeUndoElement::undo(  )
+{
+    if ( !m_xAction )
+        throw DisposedException( OUString(), *this );
+    m_xAction->Undo();
+}
+
+void SAL_CALL ShapeUndoElement::redo(  )
+{
+    if ( !m_xAction )
+        throw DisposedException( OUString(), *this );
+    m_xAction->Redo();
+}
+
+} //  namespace chart::impl
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */