1 files changed, 85 insertions, 0 deletions
diff --git a/sw/source/core/undo/SwUndoTOXChange.cxx b/sw/source/core/undo/SwUndoTOXChange.cxx
new file mode 100644
index 000000000..c88182b7a
--- /dev/null
+++ b/sw/source/core/undo/SwUndoTOXChange.cxx
@@ -0,0 +1,85 @@
+/* -*- 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 <SwUndoTOXChange.hxx>
+#include <swundo.hxx>
+#include <UndoCore.hxx>
+#include <doctxm.hxx>
+#include <doc.hxx>
+#include <node.hxx>
+
+namespace
+{
+    sal_uLong GetSectionNodeIndex(SwTOXBaseSection const& rTOX)
+    {
+        const SwSectionNode* pSectNd = rTOX.GetFormat()->GetSectionNode();
+        assert(pSectNd);
+        return pSectNd->GetIndex();
+    }
+}
+
+SwUndoTOXChange::SwUndoTOXChange(const SwDoc *pDoc,
+        SwTOXBaseSection const& rTOX, SwTOXBase const& rNew)
+    : SwUndo(SwUndoId::TOXCHANGE, pDoc)
+    , m_Old(rTOX)
+    , m_New(rNew)
+    , m_nNodeIndex(GetSectionNodeIndex(rTOX))
+{
+}
+
+SwUndoTOXChange::~SwUndoTOXChange()
+{
+}
+
+// get the current ToXBase, which is not necessarily the same instance that existed there before
+static SwTOXBase & GetTOX(SwDoc & rDoc, sal_uLong const nNodeIndex)
+{
+    SwSectionNode *const pNode(rDoc.GetNodes()[nNodeIndex]->GetSectionNode());
+    assert(pNode);
+    assert(dynamic_cast<SwTOXBaseSection*>(&pNode->GetSection()));
+    auto & rTOX(static_cast<SwTOXBaseSection&>(pNode->GetSection()));
+    return rTOX;
+}
+
+void SwUndoTOXChange::UndoImpl(::sw::UndoRedoContext & rContext)
+{
+    SwDoc & rDoc(rContext.GetDoc());
+    SwTOXBase & rTOX(GetTOX(rDoc, m_nNodeIndex));
+    rTOX = m_Old;
+}
+
+void SwUndoTOXChange::RedoImpl(::sw::UndoRedoContext & rContext)
+{
+    SwDoc & rDoc(rContext.GetDoc());
+    SwTOXBase & rTOX(GetTOX(rDoc, m_nNodeIndex));
+    rTOX = m_New;
+}
+
+void SwUndoTOXChange::RepeatImpl(::sw::RepeatContext & rContext)
+{
+    SwDoc & rDoc(rContext.GetDoc());
+    SwTOXBase *const pTOX(SwDoc::GetCurTOX(*rContext.GetRepeatPaM().GetPoint()));
+    if (pTOX)
+    {
+        rDoc.ChangeTOX(*pTOX, m_New);
+        // intentionally limited to not Update because we'd need layout
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */