1 files changed, 106 insertions, 0 deletions
diff --git a/svx/inc/textchain.hxx b/svx/inc/textchain.hxx
new file mode 100644
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+++ b/svx/inc/textchain.hxx
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+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <editeng/editdata.hxx>
+#include <map>
+
+class ImpChainLinkProperties;
+class SdrTextObj;
+class SdrModel;
+
+namespace rtl
+{
+class OUString;
+}
+
+typedef OUString ChainLinkId;
+
+enum class CursorChainingEvent : sal_uInt8
+{
+    TO_NEXT_LINK,
+    TO_PREV_LINK,
+    UNCHANGED,
+    NULL_EVENT
+};
+
+class ImpChainLinkProperties
+{
+protected:
+    friend class TextChain;
+
+    ImpChainLinkProperties()
+    {
+        aNilChainingEvent = false;
+        aCursorEvent = CursorChainingEvent::NULL_EVENT;
+        aPreChainingSel = ESelection(0, 0, 0, 0);
+        aPostChainingSel = ESelection(0, 0, 0, 0);
+        aIsPartOfLastParaInNextLink = false; // XXX: Should come from file
+        aSwitchingToNextBox = false;
+    }
+
+private:
+    // NOTE: Remember to set default value in constructor when adding field
+    ESelection aPreChainingSel;
+    ESelection aPostChainingSel;
+    CursorChainingEvent aCursorEvent;
+    bool aNilChainingEvent;
+    bool aIsPartOfLastParaInNextLink;
+    bool aSwitchingToNextBox;
+};
+
+class TextChain
+{
+public:
+    ~TextChain();
+
+    ImpChainLinkProperties* GetLinkProperties(const SdrTextObj*);
+
+    // Specific Link Properties
+    CursorChainingEvent const& GetCursorEvent(const SdrTextObj*);
+    void SetCursorEvent(const SdrTextObj*, CursorChainingEvent const&);
+
+    bool GetNilChainingEvent(const SdrTextObj*);
+    void SetNilChainingEvent(const SdrTextObj*, bool);
+
+    ESelection const& GetPreChainingSel(const SdrTextObj*);
+    void SetPreChainingSel(const SdrTextObj*, ESelection const&);
+
+    ESelection const& GetPostChainingSel(const SdrTextObj*);
+    void SetPostChainingSel(const SdrTextObj*, ESelection const&);
+
+    // return whether a paragraph is split between this box and the next
+    bool GetIsPartOfLastParaInNextLink(const SdrTextObj*);
+    void SetIsPartOfLastParaInNextLink(const SdrTextObj*, bool);
+
+    // return whether we are currently moving the cursor to the next box (useful to know whether we should prevent SetOutlinerParaObject invocations in SdrTextObj::EndTextEdit)
+    bool GetSwitchingToNextBox(const SdrTextObj*);
+    void SetSwitchingToNextBox(const SdrTextObj*, bool);
+
+protected:
+    TextChain();
+
+private:
+    std::map<ChainLinkId, ImpChainLinkProperties*> maLinkPropertiesMap;
+
+    friend class SdrModel;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */