1 files changed, 109 insertions, 0 deletions
diff --git a/sd/source/core/undo/undomanager.cxx b/sd/source/core/undo/undomanager.cxx
new file mode 100644
index 000000000000..f3fe9b11c2bd
--- /dev/null
+++ b/sd/source/core/undo/undomanager.cxx
@@ -0,0 +1,109 @@
+/*************************************************************************
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_sd.hxx"
+#include <tools/debug.hxx>
+#include "undo/undomanager.hxx"
+
+using namespace sd;
+
+UndoManager::UndoManager( USHORT nMaxUndoActionCount /* = 20 */ )
+: SfxUndoManager( nMaxUndoActionCount )
+, mnListLevel( 0 )
+, mpLinkedUndoManager(NULL)
+{
+}
+
+void UndoManager::EnterListAction(const UniString &rComment, const UniString& rRepeatComment, USHORT nId /* =0 */)
+{
+    if( !isInUndo() )
+    {
+        ClearLinkedRedoActions();
+        mnListLevel++;
+        SfxUndoManager::EnterListAction( rComment, rRepeatComment, nId );
+    }
+}
+
+void UndoManager::LeaveListAction()
+{
+    if( !isInUndo() )
+    {
+        SfxUndoManager::LeaveListAction();
+        if( mnListLevel )
+        {
+            mnListLevel--;
+        }
+        else
+        {
+            DBG_ERROR("sd::UndoManager::LeaveListAction(), no open list action!" );
+        }
+    }
+}
+
+void UndoManager::AddUndoAction( SfxUndoAction *pAction, BOOL bTryMerg /* = FALSE */ )
+{
+    if( !isInUndo() )
+    {
+        ClearLinkedRedoActions();
+        SfxUndoManager::AddUndoAction( pAction, bTryMerg );
+    }
+    else
+    {
+        delete pAction;
+    }
+}
+
+
+BOOL UndoManager::Undo( USHORT nCount )
+{
+    ScopeLockGuard aGuard( maIsInUndoLock );
+    return SfxUndoManager::Undo( nCount );
+}
+
+BOOL UndoManager::Redo( USHORT nCount )
+{
+    ScopeLockGuard aGuard( maIsInUndoLock );
+    return SfxUndoManager::Redo( nCount );
+}
+
+
+
+
+void UndoManager::SetLinkedUndoManager (SfxUndoManager* pLinkedUndoManager)
+{
+    mpLinkedUndoManager = pLinkedUndoManager;
+}
+
+
+
+
+void UndoManager::ClearLinkedRedoActions (void)
+{
+    if (mpLinkedUndoManager != NULL)
+        mpLinkedUndoManager->ClearRedo();
+}