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path: root/sw/source/core/fields/chpfld.cxx
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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 .
 */

#include <com/sun/star/text/ChapterFormat.hpp>
#include <doc.hxx>
#include <frame.hxx>        // SwChapterFieldType::ChangeExpansion()
#include <pam.hxx>          // fuer GetBodyTxtNode
#include <ndtxt.hxx>
#include <chpfld.hxx>
#include <expfld.hxx>       // fuer GetBodyTxtNode
#include <unofldmid.h>
#include <numrule.hxx>

using namespace ::com::sun::star;

/*--------------------------------------------------------------------
    Beschreibung: SwChapterFieldType
 --------------------------------------------------------------------*/


SwChapterFieldType::SwChapterFieldType()
    : SwFieldType( RES_CHAPTERFLD )
{
}


SwFieldType* SwChapterFieldType::Copy() const
{
    return new SwChapterFieldType();
}


/*--------------------------------------------------------------------
    Beschreibung: Kapittelfeld
 --------------------------------------------------------------------*/


SwChapterField::SwChapterField(SwChapterFieldType* pTyp, sal_uInt32 nFmt)
    : SwField(pTyp, nFmt), nLevel( 0 )
{}


String SwChapterField::Expand() const
{
    String sStr( sNumber );
    switch( GetFormat() )
    {
        case CF_TITLE:      sStr = sTitle;  break;

        case CF_NUMBER:
        case CF_NUM_TITLE:  sStr.Insert( sPre, 0 );
                            sStr += sPost;
                            if( CF_NUM_TITLE == GetFormat() )
                                sStr += sTitle;
                            break;

        case CF_NUM_NOPREPST_TITLE: sStr += sTitle; break;
    }
    return sStr;
}


SwField* SwChapterField::Copy() const
{
    SwChapterField *pTmp =
        new SwChapterField((SwChapterFieldType*)GetTyp(), GetFormat());
    pTmp->nLevel = nLevel;
    pTmp->sTitle = sTitle;
    pTmp->sNumber = sNumber;
    pTmp->sPost = sPost;
    pTmp->sPre = sPre;

    return pTmp;
}

// #i53420#
void SwChapterField::ChangeExpansion(const SwFrm* pFrm,
                                      const SwCntntNode* pCntntNode,
                                      sal_Bool bSrchNum )
{
    OSL_ENSURE( pFrm, "in welchem Frame stehe ich denn?" );
    SwDoc* pDoc = (SwDoc*)pCntntNode->GetDoc();

    const SwTxtNode* pTxtNode = dynamic_cast<const SwTxtNode*>(pCntntNode);
    if ( !pTxtNode || !pFrm->IsInDocBody() )
    {
        SwPosition aDummyPos( pDoc->GetNodes().GetEndOfContent() );
        pTxtNode = GetBodyTxtNode( *pDoc, aDummyPos, *pFrm );
    }

    if ( pTxtNode )
    {
        ChangeExpansion( *pTxtNode, bSrchNum );
    }
}

void SwChapterField::ChangeExpansion(const SwTxtNode &rTxtNd, sal_Bool bSrchNum)
{
    //i120759,this function is for both the reference chapter field and normal chapter field
    //bSrchNum can distinguish the two types,to the latter type,the outline num rule is must...
    sNumber = aEmptyStr;
    sTitle = aEmptyStr;
    sPost = aEmptyStr;
    sPre = aEmptyStr;
    //The reference chapter field of normal num rule will be handled in this code segment
    if (bSrchNum && !rTxtNd.IsOutline())
    {
        SwNumRule* pRule(rTxtNd.GetNumRule());
        if (rTxtNd.IsCountedInList() && pRule)
        {
            sNumber = rTxtNd.GetNumString(false);
            const SwNumFmt& rNFmt = pRule->Get(static_cast<unsigned short>(rTxtNd.GetActualListLevel()));
            sPost = rNFmt.GetSuffix();
            sPre = rNFmt.GetPrefix();
        }
        else
        {
            sNumber = String("??", RTL_TEXTENCODING_ASCII_US);
        }
        sTitle = rTxtNd.GetExpandTxt();

        for( xub_StrLen i = 0; i < sTitle.Len(); ++i )
            if( ' ' > sTitle.GetChar( i ) )
                sTitle.Erase( i--, 1 );
    }else
    {
    //End
    SwDoc* pDoc = (SwDoc*)rTxtNd.GetDoc();
    const SwTxtNode *pTxtNd = rTxtNd.FindOutlineNodeOfLevel( nLevel );
    if( pTxtNd )
    {
        if( bSrchNum )
        {
            const SwTxtNode* pONd = pTxtNd;
            do {
                if( pONd && pONd->GetTxtColl() )
                {
                    sal_uInt8 nPrevLvl = nLevel;

                    OSL_ENSURE( pONd->GetAttrOutlineLevel() >= 0 && pONd->GetAttrOutlineLevel() <= MAXLEVEL,
                            "<SwChapterField::ChangeExpansion(..)> - outline node with inconsistent outline level. Serious defect -> please inform OD." );
                    nLevel = static_cast<sal_uInt8>(pONd->GetAttrOutlineLevel());

                    if( nPrevLvl < nLevel )
                        nLevel = nPrevLvl;
                    else if( SVX_NUM_NUMBER_NONE != pDoc->GetOutlineNumRule()
                            ->Get( nLevel ).GetNumberingType() )
                    {
                        pTxtNd = pONd;
                        break;
                    }

                    if( !nLevel-- )
                        break;
                    pONd = pTxtNd->FindOutlineNodeOfLevel( nLevel );
                }
                else
                    break;
            } while( true );
        }

        // nur die Nummer besorgen, ohne Pre-/Post-fixstrings

        if ( pTxtNd->IsOutline() )
        {
            // correction of refactoring done by cws swnumtree:
            // retrieve numbering string without prefix and suffix strings
            // as stated in the above german comment.
            sNumber = pTxtNd->GetNumString( false );

            SwNumRule* pRule( pTxtNd->GetNumRule() );
            if ( pTxtNd->IsCountedInList() && pRule )
            {
                const SwNumFmt& rNFmt = pRule->Get( static_cast<sal_uInt16>(pTxtNd->GetActualListLevel()) );
                sPost = rNFmt.GetSuffix();
                sPre = rNFmt.GetPrefix();
            }
        }
        else
        {
            sNumber = String("??", RTL_TEXTENCODING_ASCII_US);
        }

        sTitle = pTxtNd->GetExpandTxt();

        for( xub_StrLen i = 0; i < sTitle.Len(); ++i )
            if( ' ' > sTitle.GetChar( i ) )
                sTitle.Erase( i--, 1 );
    }
    }
}

bool SwChapterField::QueryValue( uno::Any& rAny, sal_uInt16 nWhichId ) const
{
    switch( nWhichId )
    {
    case FIELD_PROP_BYTE1:
        rAny <<= (sal_Int8)nLevel;
        break;

    case FIELD_PROP_USHORT1:
        {
            sal_Int16 nRet;
            switch( GetFormat() )
            {
                case CF_NUMBER: nRet = text::ChapterFormat::NUMBER; break;
                case CF_TITLE:  nRet = text::ChapterFormat::NAME; break;
                case CF_NUMBER_NOPREPST:
                    nRet = text::ChapterFormat::DIGIT;
                break;
                case CF_NUM_NOPREPST_TITLE:
                    nRet = text::ChapterFormat::NO_PREFIX_SUFFIX;
                break;
                case CF_NUM_TITLE:
                default:        nRet = text::ChapterFormat::NAME_NUMBER;
            }
            rAny <<= nRet;
        }
        break;

    default:
        OSL_FAIL("illegal property");
    }
    return true;
}

bool SwChapterField::PutValue( const uno::Any& rAny, sal_uInt16 nWhichId )
{
    sal_Bool bRet = sal_True;
    switch( nWhichId )
    {
    case FIELD_PROP_BYTE1:
    {
        sal_Int8 nTmp = 0;
        rAny >>= nTmp;
        if(nTmp >= 0 && nTmp < MAXLEVEL)
            nLevel = nTmp;
        else
            bRet = false;
        break;
    }

    case FIELD_PROP_USHORT1:
        {
            sal_Int16 nVal = 0;
            rAny >>= nVal;
            switch( nVal )
            {
                case text::ChapterFormat::NAME: SetFormat(CF_TITLE); break;
                case text::ChapterFormat::NUMBER:  SetFormat(CF_NUMBER); break;
                case text::ChapterFormat::NO_PREFIX_SUFFIX:
                            SetFormat(CF_NUM_NOPREPST_TITLE);
                break;
                case text::ChapterFormat::DIGIT:
                        SetFormat(CF_NUMBER_NOPREPST);
                break;

                default:        SetFormat(CF_NUM_TITLE);
            }
        }
        break;

    default:
        OSL_FAIL("illegal property");
                bRet = false;
    }
    return bRet;
}

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