1 files changed, 66 insertions, 0 deletions
diff --git a/sd/source/ui/func/sdundogr.cxx b/sd/source/ui/func/sdundogr.cxx
new file mode 100644
index 000000000..a2e97386d
--- /dev/null
+++ b/sd/source/ui/func/sdundogr.cxx
@@ -0,0 +1,66 @@
+/* -*- 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 <sdundogr.hxx>
+#include <tools/long.hxx>
+
+SdUndoGroup::~SdUndoGroup() = default;
+
+bool SdUndoGroup::Merge(SfxUndoAction* pNextAction)
+{
+    bool bRet = false;
+
+    if (auto pSdUndoAction = dynamic_cast<SdUndoAction*>(pNextAction))
+    {
+        SdUndoAction* pClone = pSdUndoAction->Clone();
+
+        if (pClone)
+        {
+            AddAction(pClone);
+            bRet = true;
+        }
+    }
+
+    return bRet;
+}
+
+/**
+ * Undo, reverse order of execution
+ */
+void SdUndoGroup::Undo()
+{
+    ::tools::Long nLast = aCtn.size();
+    for (::tools::Long nAction = nLast - 1; nAction >= 0; nAction--)
+    {
+        aCtn[nAction]->Undo();
+    }
+}
+
+void SdUndoGroup::Redo()
+{
+    size_t nLast = aCtn.size();
+    for (size_t nAction = 0; nAction < nLast; nAction++)
+    {
+        aCtn[nAction]->Redo();
+    }
+}
+
+void SdUndoGroup::AddAction(SdUndoAction* pAction) { aCtn.emplace_back(pAction); }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */