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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 .
*/
#ifndef INCLUDED_SW_SOURCE_CORE_INC_UNDOMANAGER_HXX
#define INCLUDED_SW_SOURCE_CORE_INC_UNDOMANAGER_HXX
#include <IDocumentUndoRedo.hxx>
#include <svx/sdrundomanager.hxx>
#include <ndarr.hxx>
#include <memory>
class IDocumentDrawModelAccess;
class IDocumentRedlineAccess;
class IDocumentState;
class SwDocShell;
class SwView;
namespace sw {
/**
* Stores the undo/redo information, implementing the IDocumentUndoRedo interface.
* It contains a stack of SwUndo actions, each of which represents one user-visible
* undo / redo step.
*/
class SW_DLLPUBLIC UndoManager final
: public IDocumentUndoRedo
, public SdrUndoManager
{
public:
UndoManager(std::shared_ptr<SwNodes> pUndoNodes,
IDocumentDrawModelAccess & rDrawModelAccess,
IDocumentRedlineAccess & rRedlineAccess,
IDocumentState & rState);
/** IDocumentUndoRedo */
virtual void DoUndo(bool const bDoUndo) override;
virtual bool DoesUndo() const override;
virtual void DoGroupUndo(bool const bDoUndo) override;
virtual bool DoesGroupUndo() const override;
virtual void DoDrawUndo(bool const bDoUndo) override;
virtual bool DoesDrawUndo() const override;
void DoRepair(bool bRepair) override;
bool DoesRepair() const override;
virtual void SetUndoNoModifiedPosition() override;
virtual void LockUndoNoModifiedPosition() override;
virtual void UnLockUndoNoModifiedPosition() override;
virtual void SetUndoNoResetModified() override;
virtual bool IsUndoNoResetModified() const override;
virtual SwUndoId StartUndo(SwUndoId const eUndoId,
SwRewriter const*const pRewriter) override;
virtual SwUndoId EndUndo(SwUndoId const eUndoId,
SwRewriter const*const pRewriter) override;
virtual void DelAllUndoObj() override;
virtual bool GetLastUndoInfo(OUString *const o_pStr,
SwUndoId *const o_pId,
const SwView* pView = nullptr) const override;
virtual SwUndoComments_t GetUndoComments() const override;
virtual bool GetFirstRedoInfo(OUString *const o_pStr,
SwUndoId *const o_pId,
const SwView* pView = nullptr) const override;
virtual SwUndoComments_t GetRedoComments() const override;
virtual bool Repeat(::sw::RepeatContext & rContext,
sal_uInt16 const nRepeatCnt) override;
virtual SwUndoId GetRepeatInfo(OUString *const o_pStr) const override;
virtual void AppendUndo(std::unique_ptr<SwUndo> pUndo) override;
virtual void ClearRedo() override;
virtual bool IsUndoNodes(SwNodes const& rNodes) const override;
virtual size_t GetUndoActionCount(const bool bCurrentLevel = true) const override;
size_t GetRedoActionCount(const bool bCurrentLevel = true) const override;
void SetView(SwView* pView) override;
bool UndoWithOffset(size_t nUndoOffset) override;
// SfxUndoManager
virtual void AddUndoAction(std::unique_ptr<SfxUndoAction> pAction,
bool bTryMerg = false) override;
virtual bool Undo() override;
virtual bool Redo() override;
void dumpAsXml(xmlTextWriterPtr pWriter) const;
SwUndo * RemoveLastUndo();
SwUndo * GetLastUndo();
SwNodes const& GetUndoNodes() const;
SwNodes & GetUndoNodes();
void SetDocShell(SwDocShell* pDocShell);
/**
* Checks if the topmost undo action owned by pView is independent from the topmost action undo
* action. Sets rOffset to the offset of that independent undo action on success.
*/
bool IsViewUndoActionIndependent(const SwView* pView, sal_uInt16& rOffset) const;
private:
virtual void EmptyActionsChanged() override;
IDocumentDrawModelAccess & m_rDrawModelAccess;
IDocumentRedlineAccess & m_rRedlineAccess;
IDocumentState & m_rState;
/// Undo nodes array: content not currently in document, but required for undo/redo.
std::shared_ptr<SwNodes> m_xUndoNodes;
bool m_bGroupUndo : 1; // TRUE: Undo grouping enabled
bool m_bDrawUndo : 1; // TRUE: Draw Undo enabled
/// If true, then repair mode is enabled.
bool m_bRepair;
bool m_bLockUndoNoModifiedPosition : 1;
/// set the IgnoreRepeat flag on every added action
bool m_isAddWithIgnoreRepeat;
/// position in Undo-Array at which Doc was saved (and is not modified)
UndoStackMark m_UndoSaveMark;
SwDocShell* m_pDocShell;
SwView* m_pView;
enum class UndoOrRedoType { Undo, Redo };
bool impl_DoUndoRedo(UndoOrRedoType undoOrRedo, size_t nUndoOffset);
// UGLY: should not be called
using SdrUndoManager::Repeat;
};
} // namespace sw
#endif // INCLUDED_SW_SOURCE_CORE_INC_UNDOMANAGER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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