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Diffstat (limited to 'sw/source/core/access/textmarkuphelper.cxx')
| -rw-r--r-- | sw/source/core/access/textmarkuphelper.cxx | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/sw/source/core/access/textmarkuphelper.cxx b/sw/source/core/access/textmarkuphelper.cxx new file mode 100644 index 000000000000..c3dd4d7d6bab --- /dev/null +++ b/sw/source/core/access/textmarkuphelper.cxx @@ -0,0 +1,232 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#include "precompiled_sw.hxx" + +#include <textmarkuphelper.hxx> +#include <accportions.hxx> + +#include <vector> +#include <algorithm> +#include <comphelper/stlunosequence.hxx> + + +#include <com/sun/star/text/TextMarkupType.hpp> +#include <com/sun/star/accessibility/TextSegment.hpp> + +#include <ndtxt.hxx> +#include <wrong.hxx> + +using namespace com::sun::star; + +// helper functions +namespace { + const SwWrongList* getTextMarkupList( const SwTxtNode& rTxtNode, + const sal_Int32 nTextMarkupType ) + throw (::com::sun::star::lang::IllegalArgumentException, + ::com::sun::star::uno::RuntimeException) + { + const SwWrongList* pTextMarkupList( 0 ); + switch ( nTextMarkupType ) + { + case text::TextMarkupType::SPELLCHECK: + { + pTextMarkupList = rTxtNode.GetWrong(); + } + break; + case text::TextMarkupType::PROOFREADING: + { + // support not implemented yet + pTextMarkupList = 0; + } + break; + case text::TextMarkupType::SMARTTAG: + { + // support not implemented yet + pTextMarkupList = 0; + } + break; + default: + { + throw lang::IllegalArgumentException(); + } + } + + return pTextMarkupList; + } +} + +// implementation of class <SwTextMarkupoHelper> +SwTextMarkupHelper::SwTextMarkupHelper( const SwAccessiblePortionData& rPortionData, + const SwTxtNode& rTxtNode ) + : mrPortionData( rPortionData ) + // #i108125# + , mpTxtNode( &rTxtNode ) + , mpTextMarkupList( 0 ) + // <-- +{ +} + +// #i108125# +SwTextMarkupHelper::SwTextMarkupHelper( const SwAccessiblePortionData& rPortionData, + const SwWrongList& rTextMarkupList ) + : mrPortionData( rPortionData ) + , mpTxtNode( 0 ) + , mpTextMarkupList( &rTextMarkupList ) +{ +} +// <-- + +sal_Int32 SwTextMarkupHelper::getTextMarkupCount( const sal_Int32 nTextMarkupType ) + throw (::com::sun::star::lang::IllegalArgumentException, + ::com::sun::star::uno::RuntimeException) +{ + sal_Int32 nTextMarkupCount( 0 ); + + // #i108125# + const SwWrongList* pTextMarkupList = + mpTextMarkupList + ? mpTextMarkupList + : getTextMarkupList( *mpTxtNode, nTextMarkupType ); + // <-- + if ( pTextMarkupList ) + { + nTextMarkupCount = pTextMarkupList->Count(); + } + + return nTextMarkupCount; +} +::com::sun::star::accessibility::TextSegment + SwTextMarkupHelper::getTextMarkup( const sal_Int32 nTextMarkupIndex, + const sal_Int32 nTextMarkupType ) + throw (::com::sun::star::lang::IndexOutOfBoundsException, + ::com::sun::star::lang::IllegalArgumentException, + ::com::sun::star::uno::RuntimeException) +{ + if ( nTextMarkupIndex >= getTextMarkupCount( nTextMarkupType ) || + nTextMarkupIndex < 0 ) + { + throw lang::IndexOutOfBoundsException(); + } + + ::com::sun::star::accessibility::TextSegment aTextMarkupSegment; + aTextMarkupSegment.SegmentStart = -1; + aTextMarkupSegment.SegmentEnd = -1; + + // #i108125# + const SwWrongList* pTextMarkupList = + mpTextMarkupList + ? mpTextMarkupList + : getTextMarkupList( *mpTxtNode, nTextMarkupType ); + // <-- + if ( pTextMarkupList ) + { + const SwWrongArea* pTextMarkup = + pTextMarkupList->GetElement( static_cast<sal_uInt16>(nTextMarkupIndex) ); + if ( pTextMarkup ) + { + const ::rtl::OUString rText = mrPortionData.GetAccessibleString(); + const sal_Int32 nStartPos = + mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos ); + const sal_Int32 nEndPos = + mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos + pTextMarkup->mnLen ); + aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos ); + aTextMarkupSegment.SegmentStart = nStartPos; + aTextMarkupSegment.SegmentEnd = nEndPos; + } + else + { + OSL_FAIL( "<SwTextMarkupHelper::getTextMarkup(..)> - missing <SwWrongArea> instance" ); + } + } + + return aTextMarkupSegment; +} + +::com::sun::star::uno::Sequence< ::com::sun::star::accessibility::TextSegment > + SwTextMarkupHelper::getTextMarkupAtIndex( const sal_Int32 nCharIndex, + const sal_Int32 nTextMarkupType ) + throw (::com::sun::star::lang::IndexOutOfBoundsException, + ::com::sun::star::lang::IllegalArgumentException, + ::com::sun::star::uno::RuntimeException) +{ + // assumption: + // value of <nCharIndex> is in range [0..length of accessible text) + + const sal_uInt16 nCoreCharIndex = mrPortionData.GetModelPosition( nCharIndex ); + // Handling of portions with core length == 0 at the beginning of the + // paragraph - e.g. numbering portion. + if ( mrPortionData.GetAccessiblePosition( nCoreCharIndex ) > nCharIndex ) + { + return uno::Sequence< ::com::sun::star::accessibility::TextSegment >(); + } + + // #i108125# + const SwWrongList* pTextMarkupList = + mpTextMarkupList + ? mpTextMarkupList + : getTextMarkupList( *mpTxtNode, nTextMarkupType ); + // <-- + ::std::vector< ::com::sun::star::accessibility::TextSegment > aTmpTextMarkups; + if ( pTextMarkupList ) + { + const ::rtl::OUString rText = mrPortionData.GetAccessibleString(); + + const sal_uInt16 nTextMarkupCount = pTextMarkupList->Count(); + for ( sal_uInt16 nTextMarkupIdx = 0; nTextMarkupIdx < nTextMarkupCount; ++nTextMarkupIdx ) + { + const SwWrongArea* pTextMarkup = + pTextMarkupList->GetElement( static_cast<sal_uInt16>(nTextMarkupIdx) ); + OSL_ENSURE( pTextMarkup, + "<SwTextMarkupHelper::getTextMarkup(..)> - missing <SwWrongArea> instance" ); + if ( pTextMarkup && + pTextMarkup->mnPos <= nCoreCharIndex && + nCoreCharIndex < ( pTextMarkup->mnPos + pTextMarkup->mnLen ) ) + { + const sal_Int32 nStartPos = + mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos ); + const sal_Int32 nEndPos = + mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos + pTextMarkup->mnLen ); + ::com::sun::star::accessibility::TextSegment aTextMarkupSegment; + aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos ); + aTextMarkupSegment.SegmentStart = nStartPos; + aTextMarkupSegment.SegmentEnd = nEndPos; + aTmpTextMarkups.push_back( aTextMarkupSegment ); + } + } + } + + uno::Sequence< ::com::sun::star::accessibility::TextSegment > aTextMarkups( + aTmpTextMarkups.size() ); + ::std::copy( aTmpTextMarkups.begin(), aTmpTextMarkups.end(), + ::comphelper::stl_begin( aTextMarkups ) ); + + return aTextMarkups; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |