/* -*- 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 <editeng/editeng.hxx>
#include <editeng/eerdll.hxx>

#include <editeng/outliner.hxx>
#include <outleeng.hxx>
#include "paralist.hxx"
#include <editeng/editrids.hrc>
#include <optional>
#include <svl/itemset.hxx>
#include <editeng/editstat.hxx>
#include "outlundo.hxx"

OutlinerEditEng::OutlinerEditEng( Outliner* pEngOwner, SfxItemPool* pPool )
 : EditEngine( pPool )
{
    pOwner = pEngOwner;
}

OutlinerEditEng::~OutlinerEditEng()
{
}

void OutlinerEditEng::PaintingFirstLine(sal_Int32 nPara, const Point& rStartPos, const Point& rOrigin, Degree10 nOrientation, OutputDevice& rOutDev,
    const std::function<void(const DrawPortionInfo&)>& rDrawPortion,
    const std::function<void(const DrawBulletInfo&)>& rDrawBullet
)
{
    if( GetControlWord() & EEControlBits::OUTLINER )
    {
        PaintFirstLineInfo aInfo(nPara, rStartPos, &rOutDev);
        pOwner->maPaintFirstLineHdl.Call( &aInfo );
    }

    pOwner->PaintBullet(nPara, rStartPos, rOrigin, nOrientation, rOutDev, rDrawPortion, rDrawBullet);
}

const SvxNumberFormat* OutlinerEditEng::GetNumberFormat( sal_Int32 nPara ) const
{
    const SvxNumberFormat* pFmt = nullptr;
    if (pOwner)
        pFmt = pOwner->GetNumberFormat( nPara );
    return pFmt;
}


tools::Rectangle OutlinerEditEng::GetBulletArea( sal_Int32 nPara )
{
    tools::Rectangle aBulletArea { Point(), Point() };
    if ( nPara < pOwner->pParaList->GetParagraphCount() )
    {
        if ( pOwner->ImplHasNumberFormat( nPara ) )
            aBulletArea = pOwner->ImpCalcBulletArea( nPara, false, false );
    }
    return aBulletArea;
}

std::optional<bool> OutlinerEditEng::GetCompatFlag(SdrCompatibilityFlag eFlag) const
{
    if(pOwner)
    {
        return pOwner->GetCompatFlag(eFlag);
    }
    return {};
}

void OutlinerEditEng::ParagraphInserted( sal_Int32 nNewParagraph )
{
    pOwner->ParagraphInserted( nNewParagraph );

    EditEngine::ParagraphInserted( nNewParagraph );
}

void OutlinerEditEng::ParagraphDeleted( sal_Int32 nDeletedParagraph )
{
    pOwner->ParagraphDeleted( nDeletedParagraph );

    EditEngine::ParagraphDeleted( nDeletedParagraph );
}

void OutlinerEditEng::ParagraphConnected( sal_Int32 /*nLeftParagraph*/, sal_Int32 nRightParagraph )
{
    if( pOwner && pOwner->IsUndoEnabled() && !pOwner->GetEditEngine().IsInUndo() )
    {
        Paragraph* pPara = pOwner->GetParagraph( nRightParagraph );
        if( pPara && Outliner::HasParaFlag( pPara, ParaFlag::ISPAGE ) )
        {
            pOwner->InsertUndo( std::make_unique<OutlinerUndoChangeParaFlags>( pOwner, nRightParagraph, ParaFlag::ISPAGE, ParaFlag::NONE ) );
        }
    }
}


void OutlinerEditEng::StyleSheetChanged( SfxStyleSheet* pStyle )
{
    pOwner->StyleSheetChanged( pStyle );
}

void OutlinerEditEng::ParaAttribsChanged( sal_Int32 nPara )
{
    pOwner->ParaAttribsChanged( nPara );
}

bool OutlinerEditEng::SpellNextDocument()
{
    return pOwner->SpellNextDocument();
}

bool OutlinerEditEng::ConvertNextDocument()
{
    return pOwner->ConvertNextDocument();
}

OUString OutlinerEditEng::GetUndoComment( sal_uInt16 nUndoId ) const
{
    switch( nUndoId )
    {
        case OLUNDO_DEPTH:
            return EditResId(RID_OUTLUNDO_DEPTH);

        case OLUNDO_EXPAND:
            return EditResId(RID_OUTLUNDO_EXPAND);

        case OLUNDO_COLLAPSE:
            return EditResId(RID_OUTLUNDO_COLLAPSE);

        case OLUNDO_ATTR:
            return EditResId(RID_OUTLUNDO_ATTR);

        case OLUNDO_INSERT:
            return EditResId(RID_OUTLUNDO_INSERT);

        default:
            return EditEngine::GetUndoComment( nUndoId );
    }
}

OUString OutlinerEditEng::CalcFieldValue( const SvxFieldItem& rField, sal_Int32 nPara, sal_Int32 nPos, std::optional<Color>& rpTxtColor, std::optional<Color>& rpFldColor, std::optional<FontLineStyle>& rpFldLineStyle )
{
    return pOwner->CalcFieldValue( rField, nPara, nPos, rpTxtColor, rpFldColor, rpFldLineStyle );
}

void OutlinerEditEng::SetParaAttribs( sal_Int32 nPara, const SfxItemSet& rSet )
{
    Paragraph* pPara = pOwner->pParaList->GetParagraph( nPara );
    if( !pPara )
        return;

    if ( !IsInUndo() && IsUndoEnabled() )
        pOwner->UndoActionStart( OLUNDO_ATTR );

    EditEngine::SetParaAttribs( nPara, rSet );

    pOwner->ImplCheckNumBulletItem( nPara );
    // #i100014#
    // It is not a good idea to subtract 1 from a count and cast the result
    // to sal_uInt16 without check, if the count is 0.
    pOwner->ImplCheckParagraphs( nPara, pOwner->pParaList->GetParagraphCount() );

    if ( !IsInUndo() && IsUndoEnabled() )
        pOwner->UndoActionEnd();
}

sal_Int16 OutlinerEditEng::GetDepth(sal_Int32 nPara) const
{
    return pOwner->GetDepth(nPara);
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
