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diff --git a/chart2/source/controller/main/UndoGuard.hxx b/chart2/source/controller/main/UndoGuard.hxx
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+++ b/chart2/source/controller/main/UndoGuard.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef CHART2_UNDOGUARD_HXX
+#define CHART2_UNDOGUARD_HXX
+
+#include "ChartModelClone.hxx"
+
+#include <com/sun/star/document/XUndoManager.hpp>
+#include <com/sun/star/frame/XModel.hpp>
+
+#include <rtl/ustring.hxx>
+
+#include <boost/shared_ptr.hpp>
+
+namespace chart
+{
+
+/** A guard which which does nothing, unless you explicitly call commitAction. In particular, in its destructor, it
+    does neither auto-commit nor auto-rollback the model changes.
+ */
+class UndoGuard
+{
+public:
+    explicit UndoGuard(
+        const ::rtl::OUString& i_undoMessage,
+        const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager,
+        const ModelFacet i_facet = E_MODEL
+    );
+    ~UndoGuard();
+
+    void    commit();
+    void    rollback();
+
+protected:
+    bool    isActionPosted() const { return m_bActionPosted; }
+
+private:
+    void    discardSnapshot();
+
+private:
+    const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >           m_xChartModel;
+    const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager >  m_xUndoManager;
+
+    ::boost::shared_ptr< ChartModelClone >  m_pDocumentSnapshot;
+    rtl::OUString                           m_aUndoString;
+    bool                                    m_bActionPosted;
+};
+
+/** A guard which, in its destructor, restores the model state it found in the constructor. If
+    <member>commitAction</member> is called inbetween, the restouration is not performed.
+ */
+class UndoLiveUpdateGuard : public UndoGuard
+{
+public:
+    explicit UndoLiveUpdateGuard(
+        const ::rtl::OUString& i_undoMessage,
+        const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager
+    );
+    ~UndoLiveUpdateGuard();
+};
+
+/** Same as UndoLiveUpdateGuard but with additional storage of the chart's data.
+    Only use this if the data has internal data.
+ */
+class UndoLiveUpdateGuardWithData :
+        public UndoGuard
+{
+public:
+    explicit UndoLiveUpdateGuardWithData(
+        const ::rtl::OUString& i_undoMessage,
+        const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager
+    );
+    ~UndoLiveUpdateGuardWithData();
+};
+
+class UndoGuardWithSelection : public UndoGuard
+{
+public:
+    explicit UndoGuardWithSelection(
+        const ::rtl::OUString& i_undoMessage,
+        const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager
+    );
+    virtual ~UndoGuardWithSelection();
+};
+
+class UndoContext
+{
+public:
+    UndoContext(
+        const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager,
+        const ::rtl::OUString& i_undoTitle
+    );
+    ~UndoContext();
+
+private:
+    const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager >  m_xUndoManager;
+};
+
+class HiddenUndoContext
+{
+public:
+    HiddenUndoContext(
+        const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager
+    );
+    ~HiddenUndoContext();
+
+private:
+    ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager >    m_xUndoManager;
+};
+
+}
+// CHART2_UNDOGUARD_HXX
+#endif