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diff --git a/sc/source/ui/inc/undobase.hxx b/sc/source/ui/inc/undobase.hxx
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+++ b/sc/source/ui/inc/undobase.hxx
@@ -0,0 +1,171 @@
+/*************************************************************************
+ *
+ * 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 SC_UNDOBASE_HXX
+#define SC_UNDOBASE_HXX
+
+#include <svl/undo.hxx>
+#include "global.hxx"
+#include "address.hxx"
+
+class ScDocument;
+class ScDocShell;
+class SdrUndoAction;
+class ScRefUndoData;
+class ScDBData;
+
+//----------------------------------------------------------------------------
+
+class ScSimpleUndo: public SfxUndoAction
+{
+public:
+                    TYPEINFO();
+                    ScSimpleUndo( ScDocShell* pDocSh );
+    virtual         ~ScSimpleUndo();
+
+    virtual BOOL    Merge( SfxUndoAction *pNextAction );
+
+protected:
+    ScDocShell*     pDocShell;
+    SfxUndoAction*  pDetectiveUndo;
+
+    void            BeginUndo();
+    void            EndUndo();
+    void            BeginRedo();
+    void            EndRedo();
+
+    static void     ShowTable( SCTAB nTab );
+    static void     ShowTable( const ScRange& rRange );
+};
+
+//----------------------------------------------------------------------------
+
+enum ScBlockUndoMode { SC_UNDO_SIMPLE, SC_UNDO_MANUALHEIGHT, SC_UNDO_AUTOHEIGHT };
+
+class ScBlockUndo: public ScSimpleUndo
+{
+public:
+                    TYPEINFO();
+                    ScBlockUndo( ScDocShell* pDocSh, const ScRange& rRange,
+                                 ScBlockUndoMode eBlockMode );
+    virtual         ~ScBlockUndo();
+
+protected:
+    ScRange         aBlockRange;
+    SdrUndoAction*  pDrawUndo;
+    ScBlockUndoMode eMode;
+
+    void            BeginUndo();
+    void            EndUndo();
+//  void            BeginRedo();
+    void            EndRedo();
+
+    BOOL            AdjustHeight();
+    void            ShowBlock();
+};
+
+//----------------------------------------------------------------------------
+
+// for functions that act on a database range - takes care of the unnamed database range
+// (collected separately, before the undo action, for showing dialogs etc.)
+
+class ScDBFuncUndo: public ScSimpleUndo
+{
+    ScDBData*       pAutoDBRange;
+    ScRange         aOriginalRange;
+    SdrUndoAction*  mpDrawUndo;
+
+public:
+                    TYPEINFO();
+                    ScDBFuncUndo( ScDocShell* pDocSh, const ScRange& rOriginal, SdrUndoAction* pDrawUndo = 0 );
+    virtual         ~ScDBFuncUndo();
+
+    void            SetDrawUndoAction( SdrUndoAction* pDrawUndo );
+
+    void            BeginUndo();
+    void            EndUndo();
+    void            BeginRedo();
+    void            EndRedo();
+};
+
+//----------------------------------------------------------------------------
+
+enum ScMoveUndoMode { SC_UNDO_REFFIRST, SC_UNDO_REFLAST };
+
+class ScMoveUndo: public ScSimpleUndo               // mit Referenzen
+{
+public:
+                    TYPEINFO();
+                    ScMoveUndo( ScDocShell* pDocSh,
+                                ScDocument* pRefDoc, ScRefUndoData* pRefData,
+                                ScMoveUndoMode eRefMode );
+    virtual         ~ScMoveUndo();
+
+protected:
+    SdrUndoAction*  pDrawUndo;
+    ScDocument*     pRefUndoDoc;
+    ScRefUndoData*  pRefUndoData;
+    ScMoveUndoMode  eMode;
+
+    void            BeginUndo();
+    void            EndUndo();
+//  void            BeginRedo();
+//  void            EndRedo();
+
+private:
+    void            UndoRef();
+};
+
+//----------------------------------------------------------------------------
+
+class ScUndoWrapper: public SfxUndoAction           // for manual merging of actions
+{
+    SfxUndoAction*  pWrappedUndo;
+
+public:
+                            TYPEINFO();
+                            ScUndoWrapper( SfxUndoAction* pUndo );
+    virtual                 ~ScUndoWrapper();
+
+    SfxUndoAction*          GetWrappedUndo()        { return pWrappedUndo; }
+    void                    ForgetWrappedUndo();
+
+    virtual BOOL            IsLinked();
+    virtual void            SetLinked( BOOL bIsLinked );
+    virtual void            Undo();
+    virtual void            Redo();
+    virtual void            Repeat(SfxRepeatTarget& rTarget);
+    virtual BOOL            CanRepeat(SfxRepeatTarget& rTarget) const;
+    virtual BOOL            Merge( SfxUndoAction *pNextAction );
+    virtual String          GetComment() const;
+    virtual String          GetRepeatComment(SfxRepeatTarget&) const;
+    virtual USHORT          GetId() const;
+};
+
+
+#endif
+