/* -*- 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 <editdoc.hxx>

#include <editeng/editund2.hxx>

#include <editeng/EPaM.hxx>

#include <editeng/ESelection.hxx>

#include <editeng/editobj.hxx>

#include <vector>

#include <memory>

class EditEngine;

enum class SetAttribsMode;

enum class TransliterationFlags;

// EditUndoDelContent

class EditUndoDelContent : public EditUndo

{

private:

    sal_Int32 nNode;

    std::unique_ptr<ContentNode> mpContentNode;   // Points to the valid, undestroyed object!

public:

    EditUndoDelContent(EditEngine* pEE, std::unique_ptr<ContentNode> pNode, sal_Int32 nPortion);

    virtual ~EditUndoDelContent() override;

    virtual void    Undo() override;

    virtual void    Redo() override;

};

// EditUndoConnectParas

class EditUndoConnectParas : public EditUndo

{

private:

    sal_Int32       nNode;

    sal_uInt16      nSepPos;

    SfxItemSet      aLeftParaAttribs;

    SfxItemSet      aRightParaAttribs;

    // 2 Pointers would be nicer but then it would have to be a SfxListener.

    OUString        aLeftStyleName;

    OUString        aRightStyleName;

    SfxStyleFamily  eLeftStyleFamily;

    SfxStyleFamily  eRightStyleFamily;

    bool            bBackward;

public:

    EditUndoConnectParas(EditEngine* pEE, sal_Int32 nNode, sal_uInt16 nSepPos,

                         SfxItemSet aLeftParaAttribs, SfxItemSet aRightParaAttribs,

                         const SfxStyleSheet* pLeftStyle, const SfxStyleSheet* pRightStyle, bool bBackward);

    virtual ~EditUndoConnectParas() override;

    virtual void    Undo() override;

    virtual void    Redo() override;

};

// EditUndoSplitPara

class EditUndoSplitPara : public EditUndo

{

private:

    sal_Int32           nNode;

    sal_uInt16          nSepPos;

public:

    EditUndoSplitPara(EditEngine* pEE, sal_Int32 nNode, sal_uInt16 nSepPos);

    virtual ~EditUndoSplitPara() override;

    virtual void    Undo() override;

    virtual void    Redo() override;

};

// EditUndoInsertChars

class EditUndoInsertChars : public EditUndo

{

private:

    EPaM            aEPaM;

    OUString        aText;

public:

    EditUndoInsertChars(EditEngine* pEE, const EPaM& rEPaM, OUString aStr);

    virtual void    Undo() override;

    virtual void    Redo() override;

    virtual bool    Merge( SfxUndoAction *pNextAction ) override;

};

// EditUndoRemoveChars

class EditUndoRemoveChars : public EditUndo

{

private:

    EPaM            aEPaM;

    OUString        aText;

public:

    EditUndoRemoveChars(EditEngine* pEE, const EPaM& rEPaM, OUString aStr);

    virtual void    Undo() override;

    virtual void    Redo() override;

};

// EditUndoInsertFeature

class EditUndoInsertFeature : public EditUndo

{

private:

    EPaM                           aEPaM;

    std::unique_ptr<SfxPoolItem>   pFeature;

public:

    EditUndoInsertFeature(EditEngine* pEE, const EPaM& rEPaM, const SfxPoolItem& rFeature);

    virtual ~EditUndoInsertFeature() override;

    virtual void    Undo() override;

    virtual void    Redo() override;

};

// EditUndoMoveParagraphs

class EditUndoMoveParagraphs: public EditUndo

{

private:

    Range           nParagraphs;

    sal_Int32       nDest;

public:

    EditUndoMoveParagraphs(EditEngine* pEE, const Range& rParas, sal_Int32 nDest);

    virtual ~EditUndoMoveParagraphs() override;

    virtual void    Undo() override;

    virtual void    Redo() override;

};

// EditUndoSetStyleSheet

class EditUndoSetStyleSheet: public EditUndo

{

private:

    sal_Int32       nPara;

    OUString        aPrevName;

    OUString        aNewName;

    SfxStyleFamily  ePrevFamily;

    SfxStyleFamily  eNewFamily;

    SfxItemSet      aPrevParaAttribs;

public:

    EditUndoSetStyleSheet(EditEngine* pEE, sal_Int32 nPara,

        OUString aPrevName, SfxStyleFamily ePrevFamily,

        OUString aNewName, SfxStyleFamily eNewFamily,

        SfxItemSet aPrevParaAttribs);

    virtual ~EditUndoSetStyleSheet() override;

    virtual void    Undo() override;

    virtual void    Redo() override;

};

// EditUndoSetParaAttribs

class EditUndoSetParaAttribs: public EditUndo

{

private:

    sal_Int32       nPara;

    SfxItemSet      aPrevItems;

    SfxItemSet      aNewItems;

public:

    EditUndoSetParaAttribs(EditEngine* pEE, sal_Int32 nPara, SfxItemSet aPrevItems, SfxItemSet aNewItems);

    virtual ~EditUndoSetParaAttribs() override;

    virtual void    Undo() override;

    virtual void    Redo() override;

};

// EditUndoSetAttribs

class EditUndoSetAttribs: public EditUndo

{

private:

    typedef std::vector<std::unique_ptr<ContentAttribsInfo> > InfoArrayType;

    ESelection          aESel;

    SfxItemSet          aNewAttribs;

    InfoArrayType       aPrevAttribs;

    SetAttribsMode      nSpecial;

    /// Once the attributes are set / unset, set the selection to the end of the formatted range?

    bool m_bSetSelection;

    bool                bSetIsRemove;

    bool                bRemoveParaAttribs;

    sal_uInt16          nRemoveWhich;

    void                ImpSetSelection();

public:

    EditUndoSetAttribs(EditEngine* pEE, const ESelection& rESel, SfxItemSet aNewItems);

    virtual ~EditUndoSetAttribs() override;

    SfxItemSet&         GetNewAttribs()     { return aNewAttribs; }

    void                SetSpecial( SetAttribsMode n )  { nSpecial = n; }

    void                SetUpdateSelection( bool bSetSelection )  { m_bSetSelection = bSetSelection; }

    void                SetRemoveAttribs( bool b )      { bSetIsRemove = b; }

    void                SetRemoveParaAttribs( bool b )  { bRemoveParaAttribs = b; }

    void                SetRemoveWhich( sal_uInt16 n )  { nRemoveWhich = n; }

    virtual void        Undo() override;

    virtual void        Redo() override;

    void AppendContentInfo(ContentAttribsInfo* pNew);

};

// EditUndoTransliteration

class EditUndoTransliteration: public EditUndo

{

private:

    ESelection          aOldESel;

    ESelection          aNewESel;

    TransliterationFlags

                        nMode;

    std::optional<EditTextObject>

                        moTxtObj;

    OUString            aText;

public:

    EditUndoTransliteration(EditEngine* pEE, const ESelection& rESel, TransliterationFlags nMode);

    virtual ~EditUndoTransliteration() override;

    void                SetText( const OUString& rText ) { aText = rText; }

    void                SetText( EditTextObject&& aObj ) { moTxtObj.emplace( std::move( aObj ) ); }

    void                SetNewSelection( const ESelection& rSel ) { aNewESel = rSel; }

    virtual void        Undo() override;

    virtual void        Redo() override;

};

// EditUndoMarkSelection

class EditUndoMarkSelection: public EditUndo

{

private:

    ESelection      aSelection;

public:

    EditUndoMarkSelection(EditEngine* pEE, const ESelection& rSel);

    virtual ~EditUndoMarkSelection() override;

    virtual void    Undo() override;

    virtual void    Redo() override;

};

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