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Diffstat (limited to 'editeng/source/outliner/paralist.cxx')
| -rw-r--r-- | editeng/source/outliner/paralist.cxx | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/editeng/source/outliner/paralist.cxx b/editeng/source/outliner/paralist.cxx new file mode 100644 index 000000000..4e03e24c2 --- /dev/null +++ b/editeng/source/outliner/paralist.cxx @@ -0,0 +1,256 @@ +/* -*- 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 "paralist.hxx" + +#include <editeng/outliner.hxx> +#include <editeng/numdef.hxx> +#include <o3tl/safeint.hxx> +#include <osl/diagnose.h> +#include <sal/log.hxx> +#include <tools/debug.hxx> +#include <libxml/xmlwriter.h> + +ParagraphData::ParagraphData() +: nDepth( -1 ) +, mnNumberingStartValue( -1 ) +, mbParaIsNumberingRestart( false ) +{ +} + +bool ParagraphData::operator==(const ParagraphData& rCandidate) const +{ + return (nDepth == rCandidate.nDepth + && mnNumberingStartValue == rCandidate.mnNumberingStartValue + && mbParaIsNumberingRestart == rCandidate.mbParaIsNumberingRestart); +} + +Paragraph::Paragraph( sal_Int16 nDDepth ) +: aBulSize( -1, -1) +{ + + DBG_ASSERT( ( nDDepth >= -1 ) && ( nDDepth < SVX_MAX_NUM ), "Paragraph-CTOR: nDepth invalid!" ); + + nDepth = nDDepth; + nFlags = ParaFlag::NONE; + bVisible = true; +} + +Paragraph::Paragraph( const ParagraphData& rData ) +: nFlags( ParaFlag::NONE ) +, aBulSize( -1, -1) +, bVisible( true ) +{ + nDepth = rData.nDepth; + mnNumberingStartValue = rData.mnNumberingStartValue; + mbParaIsNumberingRestart = rData.mbParaIsNumberingRestart; +} + +Paragraph::~Paragraph() +{ +} + +void Paragraph::SetNumberingStartValue( sal_Int16 nNumberingStartValue ) +{ + mnNumberingStartValue = nNumberingStartValue; + if( mnNumberingStartValue != -1 ) + mbParaIsNumberingRestart = true; +} + +void Paragraph::SetParaIsNumberingRestart( bool bParaIsNumberingRestart ) +{ + mbParaIsNumberingRestart = bParaIsNumberingRestart; + if( !mbParaIsNumberingRestart ) + mnNumberingStartValue = -1; +} + +void Paragraph::dumpAsXml(xmlTextWriterPtr pWriter) const +{ + xmlTextWriterStartElement(pWriter, BAD_CAST("Paragraph")); + xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("nDepth"), "%" SAL_PRIdINT32, static_cast<sal_Int32>(nDepth)); + xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("mnNumberingStartValue"), "%" SAL_PRIdINT32, static_cast<sal_Int32>(mnNumberingStartValue)); + xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("mbParaIsNumberingRestart"), "%" SAL_PRIdINT32, static_cast<sal_Int32>(mbParaIsNumberingRestart)); + xmlTextWriterEndElement(pWriter); +} + +void ParagraphList::Clear() +{ + maEntries.clear(); +} + +void ParagraphList::Append( std::unique_ptr<Paragraph> pPara) +{ + SAL_WARN_IF( maEntries.size() >= EE_PARA_MAX_COUNT, "editeng", "ParagraphList::Append - overflow"); + maEntries.push_back(std::move(pPara)); +} + +void ParagraphList::Insert( std::unique_ptr<Paragraph> pPara, sal_Int32 nAbsPos) +{ + SAL_WARN_IF( nAbsPos < 0 || (maEntries.size() < o3tl::make_unsigned(nAbsPos) && nAbsPos != EE_PARA_APPEND), + "editeng", "ParagraphList::Insert - bad insert position " << nAbsPos); + SAL_WARN_IF( maEntries.size() >= EE_PARA_MAX_COUNT, "editeng", "ParagraphList::Insert - overflow"); + + if (nAbsPos < 0 || maEntries.size() <= o3tl::make_unsigned(nAbsPos)) + Append( std::move(pPara) ); + else + maEntries.insert(maEntries.begin()+nAbsPos, std::move(pPara)); +} + +void ParagraphList::Remove( sal_Int32 nPara ) +{ + if (nPara < 0 || maEntries.size() <= o3tl::make_unsigned(nPara)) + { + SAL_WARN( "editeng", "ParagraphList::Remove - out of bounds " << nPara); + return; + } + + maEntries.erase(maEntries.begin() + nPara ); +} + +void ParagraphList::MoveParagraphs( sal_Int32 nStart, sal_Int32 nDest, sal_Int32 _nCount ) +{ + OSL_ASSERT(o3tl::make_unsigned(nStart) < maEntries.size() && o3tl::make_unsigned(nDest) < maEntries.size()); + + if ( (( nDest < nStart ) || ( nDest >= ( nStart + _nCount ) )) && nStart >= 0 && nDest >= 0 && _nCount >= 0 ) + { + std::vector<std::unique_ptr<Paragraph>> aParas; + auto iterBeg = maEntries.begin() + nStart; + auto iterEnd = iterBeg + _nCount; + + for (auto it = iterBeg; it != iterEnd; ++it) + aParas.push_back(std::move(*it)); + + maEntries.erase(iterBeg,iterEnd); + + if ( nDest > nStart ) + nDest -= _nCount; + + for (auto & i : aParas) + { + maEntries.insert(maEntries.begin() + nDest, std::move(i)); + ++nDest; + } + } + else + { + OSL_FAIL( "MoveParagraphs: Invalid Parameters" ); + } +} + +bool ParagraphList::HasChildren( Paragraph const * pParagraph ) const +{ + sal_Int32 n = GetAbsPos( pParagraph ); + Paragraph* pNext = GetParagraph( ++n ); + return pNext && ( pNext->GetDepth() > pParagraph->GetDepth() ); +} + +bool ParagraphList::HasHiddenChildren( Paragraph const * pParagraph ) const +{ + sal_Int32 n = GetAbsPos( pParagraph ); + Paragraph* pNext = GetParagraph( ++n ); + return pNext && ( pNext->GetDepth() > pParagraph->GetDepth() ) && !pNext->IsVisible(); +} + +bool ParagraphList::HasVisibleChildren( Paragraph const * pParagraph ) const +{ + sal_Int32 n = GetAbsPos( pParagraph ); + Paragraph* pNext = GetParagraph( ++n ); + return pNext && ( pNext->GetDepth() > pParagraph->GetDepth() ) && pNext->IsVisible(); +} + +sal_Int32 ParagraphList::GetChildCount( Paragraph const * pParent ) const +{ + sal_Int32 nChildCount = 0; + sal_Int32 n = GetAbsPos( pParent ); + Paragraph* pPara = GetParagraph( ++n ); + while ( pPara && ( pPara->GetDepth() > pParent->GetDepth() ) ) + { + nChildCount++; + pPara = GetParagraph( ++n ); + } + return nChildCount; +} + +Paragraph* ParagraphList::GetParent( Paragraph const * pParagraph ) const +{ + sal_Int32 n = GetAbsPos( pParagraph ); + Paragraph* pPrev = GetParagraph( --n ); + while ( pPrev && ( pPrev->GetDepth() >= pParagraph->GetDepth() ) ) + { + pPrev = GetParagraph( --n ); + } + + return pPrev; +} + +void ParagraphList::Expand( Paragraph const * pParent ) +{ + sal_Int32 nChildCount = GetChildCount( pParent ); + sal_Int32 nPos = GetAbsPos( pParent ); + + for ( sal_Int32 n = 1; n <= nChildCount; n++ ) + { + Paragraph* pPara = GetParagraph( nPos+n ); + if ( !( pPara->IsVisible() ) ) + { + pPara->bVisible = true; + aVisibleStateChangedHdl.Call( *pPara ); + } + } +} + +void ParagraphList::Collapse( Paragraph const * pParent ) +{ + sal_Int32 nChildCount = GetChildCount( pParent ); + sal_Int32 nPos = GetAbsPos( pParent ); + + for ( sal_Int32 n = 1; n <= nChildCount; n++ ) + { + Paragraph* pPara = GetParagraph( nPos+n ); + if ( pPara->IsVisible() ) + { + pPara->bVisible = false; + aVisibleStateChangedHdl.Call( *pPara ); + } + } +} + +sal_Int32 ParagraphList::GetAbsPos( Paragraph const * pParent ) const +{ + sal_Int32 pos = 0; + for (auto const& entry : maEntries) + { + if (entry.get() == pParent) + return pos; + ++pos; + } + + return EE_PARA_NOT_FOUND; +} + +void ParagraphList::dumpAsXml(xmlTextWriterPtr pWriter) const +{ + xmlTextWriterStartElement(pWriter, BAD_CAST("ParagraphList")); + for (auto const & pParagraph : maEntries) + pParagraph->dumpAsXml(pWriter); + xmlTextWriterEndElement(pWriter); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |