/* -*- 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 <svl/slstitm.hxx>

#include <rtl/ustrbuf.hxx>

#include <wrtsh.hxx>

#include <swundo.hxx>

#include <IDocumentUndoRedo.hxx>

#include <swdtflvr.hxx>

#include <svtools/svtresid.hxx>

#include <svtools/strings.hrc>

#include <osl/diagnose.h>

// Undo ends all modes. If a selection is emerged by the Undo,

// this must be considered for further action.

void SwWrtShell::Do(DoType eDoType, sal_uInt16 nCnt, sal_uInt16 nOffset)

{

    // #105332# save current state of DoesUndo()

    bool bSaveDoesUndo = DoesUndo();

    StartAllAction();

    switch (eDoType)

    {

        case UNDO:

            DoUndo(false); // #i21739#

            // Reset modes

            EnterStdMode();

            SwEditShell::Undo(nCnt, nOffset);

            break;

        case REDO:

            DoUndo(false); // #i21739#

            // Reset modes

            EnterStdMode();

            SwEditShell::Redo( nCnt );

            break;

        case REPEAT:

            // #i21739# do not touch undo flag here !!!

            SwEditShell::Repeat( nCnt );

            break;

    }

    EndAllAction();

    // #105332# restore undo state

    DoUndo(bSaveDoesUndo);

    bool bCreateXSelection = false;

    const bool bFrameSelected = IsFrameSelected() || GetSelectedObjCount();

    if ( IsSelection() )

    {

        if ( bFrameSelected )

            UnSelectFrame();

        // Set the function pointer for canceling the selection at the

        // cursor position.

        m_fnKillSel = &SwWrtShell::ResetSelect;

        m_fnSetCursor = &SwWrtShell::SetCursorKillSel;

        bCreateXSelection = true;

    }

    else if ( bFrameSelected )

    {

        EnterSelFrameMode();

        bCreateXSelection = true;

    }

    else if( (CNT_GRF | CNT_OLE ) & GetCntType() )

    {

        SelectObj( GetCharRect().Pos() );

        EnterSelFrameMode();

        bCreateXSelection = true;

    }

    if( bCreateXSelection )

        SwTransferable::CreateSelection( *this );

    // Bug 32918: After deleting of the numbering the object panel remains.

    //            Why is not here always a CallChgLink called?

    CallChgLnk();

}

OUString SwWrtShell::GetDoString( DoType eDoType ) const

{

    OUString aUndoStr;

    TranslateId pResStr = STR_UNDO;

    switch( eDoType )

    {

    case UNDO:

        pResStr = STR_UNDO;

        (void)GetLastUndoInfo(&aUndoStr, nullptr, &m_rView);

        break;

    case REDO:

        pResStr = STR_REDO;

        (void)GetFirstRedoInfo(&aUndoStr, nullptr, &m_rView);

        break;

    default:;//prevent warning

    }

    return SvtResId(pResStr) + aUndoStr;

}

void SwWrtShell::GetDoStrings( DoType eDoType, SfxStringListItem& rStrs ) const

{

    SwUndoComments_t comments;

    switch( eDoType )

    {

    case UNDO:

        comments = GetIDocumentUndoRedo().GetUndoComments();

        break;

    case REDO:

        comments = GetIDocumentUndoRedo().GetRedoComments();

        break;

    default:;//prevent warning

    }

    OUStringBuffer buf;

    for (const OUString & comment : comments)

    {

        OSL_ENSURE(!comment.isEmpty(), "no Undo/Redo Text set");

        buf.append(comment + "\n");

    }

    rStrs.SetString(buf.makeStringAndClear());

}

OUString SwWrtShell::GetRepeatString() const

{

    OUString str;

    GetRepeatInfo(& str);

    if (str.isEmpty())

    {

        return str;

    }

    return SvtResId(STR_REPEAT) + str;

}

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