core/access/acctable.cxx

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 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sw.hxx"
#include <vos/mutex.hxx>
#include <rtl/uuid.h>
#include <rtl/ustrbuf.hxx>

#include <list>
#include <set>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp>
#include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp>
#include <unotools/accessiblestatesethelper.hxx>
#include <vcl/svapp.hxx>
#include <frmfmt.hxx>
#include <tabfrm.hxx>
#include <rowfrm.hxx>
#include <cellfrm.hxx>
#include <swtable.hxx>
#include <crsrsh.hxx>
#include <viscrs.hxx>
#include <hints.hxx>
#include <fesh.hxx>
#include <accfrmobjslist.hxx>
#include <accmap.hxx>
#include <access.hrc>
#include <acctable.hxx>
#include <rowfrm.hxx>
#include <layfrm.hxx>
#include <com/sun/star/accessibility/XAccessibleText.hpp>

#include <editeng/brshitem.hxx>
#include <swatrset.hxx>
#include <frmatr.hxx>

using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using ::rtl::OUString;
using ::rtl::OUStringBuffer;
using namespace ::sw::access;

const sal_Char sServiceName[] = "com.sun.star.table.AccessibleTableView";
const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessibleTableView";

typedef ::std::less < sal_Int32 > Int32Less_Impl;
typedef ::std::set < sal_Int32, Int32Less_Impl > Int32Set_Impl;

typedef ::std::pair < sal_Int32, sal_Int32 > Int32Pair_Impl;
typedef ::std::list < Int32Pair_Impl > Int32PairList_Impl;

const unsigned int SELECTION_WITH_NUM = 10;

class SwAccTableSelHander_Impl
{
public:
	virtual void Unselect( sal_Int32 nRowOrCol, sal_Int32 nExt ) = 0;
};


//------------------------------------------------------------------------------

class SwAccessibleTableData_Impl
{
    SwAccessibleMap& mrAccMap;
	Int32Set_Impl	maRows;
	Int32Set_Impl	maColumns;
	Int32PairList_Impl maExtents;	// cell extends for event processing only
	Point 	maTabFrmPos;
	const SwTabFrm *mpTabFrm;
    sal_Bool mbIsInPagePreview;
    bool mbOnlyTableColumnHeader;

	void CollectData( const SwFrm *pFrm );
	void CollectColumnHeaderData( const SwFrm *pFrm );
	void CollectRowHeaderData( const SwFrm *pFrm );
	void CollectExtents( const SwFrm *pFrm );

	sal_Bool FindCell( const Point& rPos, const SwFrm *pFrm ,
						   sal_Bool bExact, const SwFrm *& rFrm ) const;

	void GetSelection( const Point& rTabPos, const SwRect& rArea,
					   const SwSelBoxes& rSelBoxes, const SwFrm *pFrm,
					   SwAccTableSelHander_Impl& rSelHdl,
					   sal_Bool bColumns ) const;

    // --> OD 2007-06-27 #i77106#
    inline bool IncludeRow( const SwFrm& rFrm ) const
    {
        return !mbOnlyTableColumnHeader ||
               mpTabFrm->IsInHeadline( rFrm );
    }
    // <--
public:
    // --> OD 2007-06-27 #i77106#
    // add third optional parameter <bOnlyTableColumnHeader>, default value <false>
    SwAccessibleTableData_Impl( SwAccessibleMap& rAccMap,
                                const SwTabFrm *pTabFrm,
                                sal_Bool bIsInPagePreview,
                                bool bOnlyTableColumnHeader = false );
    // <--

	const Int32Set_Impl& GetRows() const { return maRows; }
	const Int32Set_Impl& GetColumns() const { return maColumns; }

	inline Int32Set_Impl::const_iterator GetRowIter( sal_Int32 nRow ) const;
	inline Int32Set_Impl::const_iterator GetColumnIter( sal_Int32 nCol ) const;

	const SwFrm *GetCell( sal_Int32 nRow, sal_Int32 nColumn, sal_Bool bExact,
						  SwAccessibleTable *pThis ) const
		throw(lang::IndexOutOfBoundsException );
	const SwFrm *GetCellAtPos( sal_Int32 nLeft, sal_Int32 nTop,
								   	  sal_Bool bExact ) const;
	inline sal_Int32 GetRowCount() const;
	inline sal_Int32 GetColumnCount() const;
	sal_Bool CompareExtents( const SwAccessibleTableData_Impl& r ) const;

	void GetSelection( sal_Int32 nStart, sal_Int32 nEnd,
					   const SwSelBoxes& rSelBoxes,
		   			   SwAccTableSelHander_Impl& rSelHdl,
					   sal_Bool bColumns ) const;

	void CheckRowAndCol( sal_Int32 nRow, sal_Int32 nCol,
						 SwAccessibleTable *pThis ) const
		throw(lang::IndexOutOfBoundsException );

	void GetRowColumnAndExtent( const SwRect& rBox,
								  sal_Int32& rRow, sal_Int32& rColumn,
								  sal_Int32& rRowExtent,
								  sal_Int32& rColumnExtent ) const;

	const Point& GetTablePos() const { return maTabFrmPos; }
	void SetTablePos( const Point& rPos ) { maTabFrmPos = rPos; }
};

void SwAccessibleTableData_Impl::CollectData( const SwFrm *pFrm )
{
    const SwAccessibleChildSList aList( *pFrm, mrAccMap );
    SwAccessibleChildSList::const_iterator aIter( aList.begin() );
    SwAccessibleChildSList::const_iterator aEndIter( aList.end() );
	while( aIter != aEndIter )
	{
        const SwAccessibleChild& rLower = *aIter;
		const SwFrm *pLower = rLower.GetSwFrm();
		if( pLower )
		{
			if( pLower->IsRowFrm() )
			{
                // --> OD 2007-06-27 #i77106#
                if ( IncludeRow( *pLower ) )
                {
                    maRows.insert( pLower->Frm().Top() - maTabFrmPos.Y() );
                    CollectData( pLower );
                }
                // <--
			}
			else if( pLower->IsCellFrm() &&
                     rLower.IsAccessible( mbIsInPagePreview ) )
			{
				maColumns.insert( pLower->Frm().Left() - maTabFrmPos.X() );
			}
			else
			{
				CollectData( pLower );
			}
		}
		++aIter;
	}
}

void SwAccessibleTableData_Impl::CollectRowHeaderData( const SwFrm *pFrm )
{
    const SwAccessibleChildSList aList( *pFrm, mrAccMap );
    SwAccessibleChildSList::const_iterator aIter( aList.begin() );
    SwAccessibleChildSList::const_iterator aEndIter( aList.end() );
	while( aIter != aEndIter )
	{
        const SwAccessibleChild& rLower = *aIter;
		const SwFrm *pLower = rLower.GetSwFrm();
		if( pLower )
		{
			if( pLower->IsRowFrm() )
			{

				const SwTableLine* pLine = ((SwRowFrm*)pLower)->GetTabLine();
				while( pLine->GetUpper() )
					pLine = pLine->GetUpper()->GetUpper();

				// Headerline?
				//if(mpTabFrm->GetTable()->GetTabLines()[ 0 ] != pLine)
				//return ;

				maRows.insert( pLower->Frm().Top() - maTabFrmPos.Y() );

				CollectRowHeaderData( pLower );


			}
			else if( pLower->IsCellFrm() &&
                     rLower.IsAccessible( mbIsInPagePreview ) )
			{
				//Added by yanjun. Can't find the "GetRowHeaderFlag" function(Need vefiry).
				//if(((SwCellFrm*)pLower)->GetRowHeaderFlag())
				//	maColumns.insert( pLower->Frm().Left() - maTabFrmPos.X() );
			}
			else
			{
				CollectRowHeaderData( pLower );
			}
		}
		++aIter;
	}
}

void SwAccessibleTableData_Impl::CollectColumnHeaderData( const SwFrm *pFrm )
{
    const SwAccessibleChildSList aList( *pFrm, mrAccMap );
    SwAccessibleChildSList::const_iterator aIter( aList.begin() );
    SwAccessibleChildSList::const_iterator aEndIter( aList.end() );
	while( aIter != aEndIter )
	{
        const SwAccessibleChild& rLower = *aIter;
		const SwFrm *pLower = rLower.GetSwFrm();
		if( pLower )
		{
			if( pLower->IsRowFrm() )
			{

				const SwTableLine* pLine = ((SwRowFrm*)pLower)->GetTabLine();
				while( pLine->GetUpper() )
					pLine = pLine->GetUpper()->GetUpper();

				// Headerline?
				//if(mpTabFrm->GetTable()->GetTabLines()[ 0 ] != pLine)
				//return ;

				//if the current line is now header line, then return ;
				sal_Int16 iCurrentRowIndex = mpTabFrm->GetTable()->GetTabLines().GetPos( pLine);
				if(iCurrentRowIndex >= mpTabFrm->GetTable()->_GetRowsToRepeat())
					return ;

				maRows.insert( pLower->Frm().Top() - maTabFrmPos.Y() );

				CollectColumnHeaderData( pLower );


			}
			else if( pLower->IsCellFrm() &&
                     rLower.IsAccessible( mbIsInPagePreview ) )
			{
				maColumns.insert( pLower->Frm().Left() - maTabFrmPos.X() );
			}
			else
			{
				CollectColumnHeaderData( pLower );
			}
		}
		++aIter;
	}
}
void SwAccessibleTableData_Impl::CollectExtents( const SwFrm *pFrm )
{
    const SwAccessibleChildSList aList( *pFrm, mrAccMap );
    SwAccessibleChildSList::const_iterator aIter( aList.begin() );
    SwAccessibleChildSList::const_iterator aEndIter( aList.end() );
	while( aIter != aEndIter )
	{
        const SwAccessibleChild& rLower = *aIter;
		const SwFrm *pLower = rLower.GetSwFrm();
		if( pLower )
		{
			if( pLower->IsCellFrm() &&
                rLower.IsAccessible( mbIsInPagePreview ) )
			{
				sal_Int32 nRow, nCol;
				Int32Pair_Impl aCellExtents;
				GetRowColumnAndExtent( pLower->Frm(), nRow, nCol,
									   aCellExtents.first,
									   aCellExtents.second );

				maExtents.push_back( aCellExtents );
			}
			else
			{
                // --> OD 2007-06-27 #i77106#
                if ( !pLower->IsRowFrm() ||
                     IncludeRow( *pLower ) )
                {
                    CollectExtents( pLower );
                }
                // <--
			}
		}
		++aIter;
	}
}

sal_Bool SwAccessibleTableData_Impl::FindCell(
		const Point& rPos, const SwFrm *pFrm, sal_Bool bExact,
		const SwFrm *& rRet	) const
{
	sal_Bool bFound = sal_False;

    const SwAccessibleChildSList aList( *pFrm, mrAccMap );
    SwAccessibleChildSList::const_iterator aIter( aList.begin() );
    SwAccessibleChildSList::const_iterator aEndIter( aList.end() );
	while( !bFound && aIter != aEndIter )
	{
        const SwAccessibleChild& rLower = *aIter;
		const SwFrm *pLower = rLower.GetSwFrm();
		ASSERT( pLower, "child should be a frame" );
		if( pLower )
		{
			if( rLower.IsAccessible( mbIsInPagePreview ) )
			{
				ASSERT( pLower->IsCellFrm(), "lower is not a cell frame" );
				const SwRect& rFrm = pLower->Frm();
				if( rFrm.Right() >= rPos.X() && rFrm.Bottom() >= rPos.Y() )
				{
					// We have found the cell
					ASSERT( rFrm.Left() <= rPos.X() && rFrm.Top() <= rPos.Y(),
							"find frame moved to far!" );
					bFound = sal_True;
					if( !bExact ||
						(rFrm.Top() == rPos.Y() && rFrm.Left() == rPos.Y() ) )
					{
						rRet = pLower;
					}
				}
			}
			else
			{
                // --> OD 2007-06-27 #i77106#
                if ( !pLower->IsRowFrm() ||
                     IncludeRow( *pLower ) )
                {
                    bFound = FindCell( rPos, pLower, bExact, rRet );
                }
                // <--
			}
		}
		++aIter;
	}

	return bFound;
}

void SwAccessibleTableData_Impl::GetSelection(
			const Point& rTabPos,
			const SwRect& rArea,
			const SwSelBoxes& rSelBoxes,
			const SwFrm *pFrm,
			SwAccTableSelHander_Impl& rSelHdl,
			sal_Bool bColumns ) const
{
    const SwAccessibleChildSList aList( *pFrm, mrAccMap );
    SwAccessibleChildSList::const_iterator aIter( aList.begin() );
    SwAccessibleChildSList::const_iterator aEndIter( aList.end() );
	while( aIter != aEndIter )
	{
        const SwAccessibleChild& rLower = *aIter;
		const SwFrm *pLower = rLower.GetSwFrm();
		ASSERT( pLower, "child should be a frame" );
        const SwRect& rBox = rLower.GetBox( mrAccMap );
		if( pLower && rBox.IsOver( rArea ) )
		{
			if( rLower.IsAccessible( mbIsInPagePreview ) )
			{
				ASSERT( pLower->IsCellFrm(), "lower is not a cell frame" );
				const SwCellFrm *pCFrm =
						static_cast < const SwCellFrm * >( pLower );
				SwTableBox *pBox =
					const_cast< SwTableBox *>( pCFrm->GetTabBox() ); //SVPtrArr!
				if( !rSelBoxes.Seek_Entry( pBox ) )
				{
					const Int32Set_Impl	rRowsOrCols =
						bColumns ? maColumns : maRows;

					sal_Int32 nPos = bColumns ? (rBox.Left() - rTabPos.X())
											  : (rBox.Top() - rTabPos.Y());
					Int32Set_Impl::const_iterator aSttRowOrCol(
						rRowsOrCols.lower_bound( nPos ) );
					sal_Int32 nRowOrCol =
						static_cast< sal_Int32 >( ::std::distance(
							rRowsOrCols.begin(), aSttRowOrCol ) );

					nPos = bColumns ? (rBox.Right() - rTabPos.X())
									: (rBox.Bottom() - rTabPos.Y());
					Int32Set_Impl::const_iterator aEndRowOrCol(
						rRowsOrCols.upper_bound( nPos ) );
					sal_Int32 nExt =
						static_cast< sal_Int32 >( ::std::distance(
							aSttRowOrCol, aEndRowOrCol ) );

					rSelHdl.Unselect( nRowOrCol, nExt );
				}
			}
			else
			{
                // --> OD 2007-06-27 #i77106#
                if ( !pLower->IsRowFrm() ||
                     IncludeRow( *pLower ) )
                {
                    GetSelection( rTabPos, rArea, rSelBoxes, pLower, rSelHdl,
                                  bColumns );
                }
                // <--
			}
		}
		++aIter;
	}
}

const SwFrm *SwAccessibleTableData_Impl::GetCell(
        sal_Int32 nRow, sal_Int32 nColumn, sal_Bool,
		SwAccessibleTable *pThis ) const
	throw(lang::IndexOutOfBoundsException )
{
	CheckRowAndCol( nRow, nColumn, pThis );

	Int32Set_Impl::const_iterator aSttCol( GetColumnIter( nColumn ) );
	Int32Set_Impl::const_iterator aSttRow( GetRowIter( nRow ) );
	const SwFrm *pCellFrm = GetCellAtPos( *aSttCol, *aSttRow, sal_False );

	return pCellFrm;
}

void SwAccessibleTableData_Impl::GetSelection(
					   sal_Int32 nStart, sal_Int32 nEnd,
					   const SwSelBoxes& rSelBoxes,
		   			   SwAccTableSelHander_Impl& rSelHdl,
					   sal_Bool bColumns ) const
{
	SwRect aArea( mpTabFrm->Frm() );
	Point aPos( aArea.Pos() );

	const Int32Set_Impl& rRowsOrColumns = bColumns ? maColumns : maRows;
	if( nStart > 0 )
	{
		Int32Set_Impl::const_iterator aStt( rRowsOrColumns.begin() );
		::std::advance( aStt,
			static_cast< Int32Set_Impl::difference_type >( nStart ) );
		if( bColumns )
			aArea.Left( *aStt + aPos.X() );
		else
			aArea.Top( *aStt + aPos.Y() );
	}
	if( nEnd < static_cast< sal_Int32 >( rRowsOrColumns.size() ) )
	{
		Int32Set_Impl::const_iterator aEnd( rRowsOrColumns.begin() );
		::std::advance( aEnd,
			static_cast< Int32Set_Impl::difference_type >( nEnd ) );
		if( bColumns )
			aArea.Right( *aEnd + aPos.X() - 1 );
		else
			aArea.Bottom( *aEnd + aPos.Y() - 1 );
	}

	GetSelection( aPos, aArea, rSelBoxes, mpTabFrm, rSelHdl, bColumns );
}

const SwFrm *SwAccessibleTableData_Impl::GetCellAtPos(
		sal_Int32 nLeft, sal_Int32 nTop, sal_Bool bExact ) const
{
	Point aPos( mpTabFrm->Frm().Pos() );
	aPos.Move( nLeft, nTop );
	const SwFrm *pRet = 0;
	FindCell( aPos, mpTabFrm, bExact, pRet );

	return pRet;
}

inline sal_Int32 SwAccessibleTableData_Impl::GetRowCount() const
{
	sal_Int32 count =  static_cast< sal_Int32 >( maRows.size() ) ;
	count = (count <=0)? 1:count;
	return count;
}

inline sal_Int32 SwAccessibleTableData_Impl::GetColumnCount() const
{
	return static_cast< sal_Int32 >( maColumns.size() );
}

sal_Bool SwAccessibleTableData_Impl::CompareExtents(
								const SwAccessibleTableData_Impl& rCmp ) const
{
	if( maExtents.size() != rCmp.maExtents.size() )
		return sal_False;

	Int32PairList_Impl::const_iterator aIter( maExtents.begin() );
	Int32PairList_Impl::const_iterator aEndIter( maExtents.end() );
	Int32PairList_Impl::const_iterator aCmpIter( rCmp.maExtents.begin() );
	while( aIter != aEndIter )
	{
		if( *aIter != *aCmpIter )
			return sal_False;

		++aIter;
		++aCmpIter;
	}

	return sal_True;
}

SwAccessibleTableData_Impl::SwAccessibleTableData_Impl( SwAccessibleMap& rAccMap,
                                                        const SwTabFrm *pTabFrm,
                                                        sal_Bool bIsInPagePreview,
                                                        bool bOnlyTableColumnHeader )
    : mrAccMap( rAccMap )
    , maTabFrmPos( pTabFrm->Frm().Pos() )
    , mpTabFrm( pTabFrm )
    , mbIsInPagePreview( bIsInPagePreview )
    , mbOnlyTableColumnHeader( bOnlyTableColumnHeader )
{
	CollectData( mpTabFrm );
	CollectExtents( mpTabFrm );
}

inline Int32Set_Impl::const_iterator SwAccessibleTableData_Impl::GetRowIter(
		sal_Int32 nRow ) const
{
	Int32Set_Impl::const_iterator aCol( GetRows().begin() );
	if( nRow > 0 )
	{
		::std::advance( aCol,
					static_cast< Int32Set_Impl::difference_type >( nRow ) );
	}
	return aCol;
}

inline Int32Set_Impl::const_iterator SwAccessibleTableData_Impl::GetColumnIter(
		sal_Int32 nColumn ) const
{
	Int32Set_Impl::const_iterator aCol = GetColumns().begin();
	if( nColumn > 0 )
	{
		::std::advance( aCol,
					static_cast< Int32Set_Impl::difference_type >( nColumn ) );
	}
	return aCol;
}

void SwAccessibleTableData_Impl::CheckRowAndCol(
		sal_Int32 nRow, sal_Int32 nCol, SwAccessibleTable *pThis ) const
	throw(lang::IndexOutOfBoundsException )
{
	if( ( nRow < 0 || nRow >= static_cast< sal_Int32 >( maRows.size() ) ) ||
		( nCol < 0 || nCol >= static_cast< sal_Int32 >( maColumns.size() ) ) )
	{
		uno::Reference < XAccessibleTable > xThis( pThis );
		lang::IndexOutOfBoundsException aExcept(
			   OUString( RTL_CONSTASCII_USTRINGPARAM(
					   "row or column index out of range") ),
			   xThis );
		throw aExcept;
	}
}

void SwAccessibleTableData_Impl::GetRowColumnAndExtent(
		const SwRect& rBox,
		sal_Int32& rRow, sal_Int32& rColumn,
		sal_Int32& rRowExtent, sal_Int32& rColumnExtent ) const
{
	Int32Set_Impl::const_iterator aStt(
				maRows.lower_bound( rBox.Top() - maTabFrmPos.Y() ) );
	Int32Set_Impl::const_iterator aEnd(
				maRows.upper_bound( rBox.Bottom() - maTabFrmPos.Y() ) );
	rRow =
		 static_cast< sal_Int32 >( ::std::distance( maRows.begin(), aStt ) );
	rRowExtent =
		 static_cast< sal_Int32 >( ::std::distance( aStt, aEnd ) );

	aStt = maColumns.lower_bound( rBox.Left() - maTabFrmPos.X() );
	aEnd = maColumns.upper_bound( rBox.Right() - maTabFrmPos.X() );
	rColumn =
		 static_cast< sal_Int32 >( ::std::distance( maColumns.begin(), aStt ) );
	rColumnExtent =
		 static_cast< sal_Int32 >( ::std::distance( aStt, aEnd ) );
}

//------------------------------------------------------------------------------

class SwAccSingleTableSelHander_Impl : public SwAccTableSelHander_Impl
{
	sal_Bool bSelected;

public:

	inline SwAccSingleTableSelHander_Impl();

	inline sal_Bool IsSelected() const { return bSelected; }

	virtual void Unselect( sal_Int32, sal_Int32 );
};

inline SwAccSingleTableSelHander_Impl::SwAccSingleTableSelHander_Impl() :
	bSelected( sal_True )
{
}

void SwAccSingleTableSelHander_Impl::Unselect( sal_Int32, sal_Int32 )
{
	bSelected = sal_False;
}

//------------------------------------------------------------------------------

class SwAccAllTableSelHander_Impl : public SwAccTableSelHander_Impl

{
	::std::vector< sal_Bool > aSelected;
	sal_Int32 nCount;

public:

	inline SwAccAllTableSelHander_Impl( sal_Int32 nSize );

	uno::Sequence < sal_Int32 > GetSelSequence();

	virtual void Unselect( sal_Int32 nRowOrCol, sal_Int32 nExt );
    virtual ~SwAccAllTableSelHander_Impl();
};

SwAccAllTableSelHander_Impl::~SwAccAllTableSelHander_Impl()
{
}

inline SwAccAllTableSelHander_Impl::SwAccAllTableSelHander_Impl( sal_Int32 nSize ) :
	aSelected( nSize, sal_True ),
	nCount( nSize )
{
}

uno::Sequence < sal_Int32 > SwAccAllTableSelHander_Impl::GetSelSequence()
{
	ASSERT( nCount >= 0, "underflow" );
	uno::Sequence < sal_Int32 > aRet( nCount );
	sal_Int32 *pRet = aRet.getArray();
	sal_Int32 nPos = 0;
	size_t nSize = aSelected.size();
	for( size_t i=0; i < nSize && nPos < nCount; i++ )
	{
		if( aSelected[i] )
		{
			*pRet++ = i;
			nPos++;
		}
	}

	ASSERT( nPos == nCount, "count is wrong" );

	return aRet;
}

void SwAccAllTableSelHander_Impl::Unselect( sal_Int32 nRowOrCol,
										    sal_Int32 nExt )
{
	ASSERT( static_cast< size_t >( nRowOrCol ) < aSelected.size(),
		 	"index to large" );
	ASSERT( static_cast< size_t >( nRowOrCol+nExt ) <= aSelected.size(),
		 	"extent to large" );
	while( nExt )
	{
		if( aSelected[static_cast< size_t >( nRowOrCol )] )
		{
			aSelected[static_cast< size_t >( nRowOrCol )] = sal_False;
			nCount--;
		}
		nExt--;
		nRowOrCol++;
	}
}

//------------------------------------------------------------------------------

const SwSelBoxes *SwAccessibleTable::GetSelBoxes() const
{
	const SwSelBoxes *pSelBoxes = 0;
    const SwCrsrShell *pCSh = GetCrsrShell();
    if( (pCSh != NULL) && pCSh->IsTableMode() )
	{
        pSelBoxes = &pCSh->GetTableCrsr()->GetBoxes();
    }

	return pSelBoxes;
}

void SwAccessibleTable::FireTableChangeEvent(
		const SwAccessibleTableData_Impl& rTableData )
{
	AccessibleTableModelChange aModelChange;
	aModelChange.Type = AccessibleTableModelChangeType::UPDATE;
	aModelChange.FirstRow = 0;
	aModelChange.LastRow = rTableData.GetRowCount() - 1;
	aModelChange.FirstColumn = 0;
	aModelChange.LastColumn = rTableData.GetColumnCount() - 1;

	AccessibleEventObject aEvent;
	aEvent.EventId = AccessibleEventId::TABLE_MODEL_CHANGED;
	aEvent.NewValue <<= aModelChange;

	FireAccessibleEvent( aEvent );
}


const SwTableBox* SwAccessibleTable::GetTableBox( sal_Int32 nChildIndex ) const
{
    DBG_ASSERT( nChildIndex >= 0, "Illegal child index." );
    // --> OD 2007-06-27 #i77106#
    DBG_ASSERT( nChildIndex < const_cast<SwAccessibleTable*>(this)->getAccessibleChildCount(), "Illegal child index." );
    // <--

    const SwTableBox* pBox = NULL;

    // get table box for 'our' table cell
    SwAccessibleChild aCell( GetChild( *(const_cast<SwAccessibleMap*>(GetMap())), nChildIndex ) );
    if( aCell.GetSwFrm()  )
    {
        const SwFrm* pChildFrm = aCell.GetSwFrm();
        if( (pChildFrm != NULL) && pChildFrm->IsCellFrm() )
        {
            const SwCellFrm* pCellFrm =
                static_cast<const SwCellFrm*>( pChildFrm );
			pBox = pCellFrm->GetTabBox();
        }
    }

    DBG_ASSERT( pBox != NULL, "We need the table box." );
    return pBox;
}

sal_Bool SwAccessibleTable::IsChildSelected( sal_Int32 nChildIndex ) const
{
    sal_Bool bRet = sal_False;
    const SwSelBoxes* pSelBoxes = GetSelBoxes();
    if( pSelBoxes )
    {
        const SwTableBox* pBox = GetTableBox( nChildIndex );
        DBG_ASSERT( pBox != NULL, "We need the table box." );
        bRet = pSelBoxes->Seek_Entry( const_cast<SwTableBox*>( pBox ) );
    }

    return bRet;
}

sal_Int32 SwAccessibleTable::GetIndexOfSelectedChild(
				sal_Int32 nSelectedChildIndex ) const
{
    // iterate over all children to n-th isAccessibleChildSelected()
    // --> OD 2007-06-27 #i77106#
    sal_Int32 nChildren = const_cast<SwAccessibleTable*>(this)->getAccessibleChildCount();
    // <--
	if( nSelectedChildIndex >= nChildren )
		return -1L;

    sal_Int32 n = 0;
    while( n < nChildren )
    {
        if( IsChildSelected( n ) )
		{
			if( 0 == nSelectedChildIndex )
				break;
			else
				--nSelectedChildIndex;
		}
        ++n;
    }

	return n < nChildren ? n : -1L;
}

void SwAccessibleTable::GetStates(
		::utl::AccessibleStateSetHelper& rStateSet )
{
	SwAccessibleContext::GetStates( rStateSet );
	//Solution:Add resizable state to table
	rStateSet.AddState( AccessibleStateType::RESIZABLE );
	// MULTISELECTABLE
	rStateSet.AddState( AccessibleStateType::MULTI_SELECTABLE );
    SwCrsrShell* pCrsrShell = GetCrsrShell();
    if( pCrsrShell  )
		rStateSet.AddState( AccessibleStateType::MULTI_SELECTABLE );
}

SwAccessibleTable::SwAccessibleTable(
        SwAccessibleMap* pInitMap,
        const SwTabFrm* pTabFrm  ) :
    SwAccessibleContext( pInitMap, AccessibleRole::TABLE, pTabFrm ),
	mpTableData( 0 )
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	const SwFrmFmt *pFrmFmt = pTabFrm->GetFmt();
	const_cast< SwFrmFmt * >( pFrmFmt )->Add( this );
	const String& rName = pFrmFmt->GetName();

	OUStringBuffer aBuffer( rName.Len() + 4 );
	aBuffer.append( OUString(rName) );
	aBuffer.append( static_cast<sal_Unicode>( '-' ) );
	aBuffer.append( static_cast<sal_Int32>( pTabFrm->GetPhyPageNum() ) );

	SetName( aBuffer.makeStringAndClear() );

	OUString sArg1( static_cast< const SwTabFrm * >( GetFrm() )
										->GetFmt()->GetName() );
	OUString sArg2( GetFormattedPageNumber() );

	sDesc = GetResource( STR_ACCESS_TABLE_DESC, &sArg1, &sArg2 );
	UpdateTableData();
}

SwAccessibleTable::~SwAccessibleTable()
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	delete mpTableData;
}

void SwAccessibleTable::Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew)
{
	sal_uInt16 nWhich = pOld ? pOld->Which() : pNew ? pNew->Which() : 0 ;
	const SwTabFrm *pTabFrm = static_cast< const SwTabFrm * >( GetFrm() );
	switch( nWhich )
	{
	case RES_NAME_CHANGED:
		if( pTabFrm )
		{
			const SwFrmFmt *pFrmFmt = pTabFrm->GetFmt();
			ASSERT( pFrmFmt == GetRegisteredIn(), "invalid frame" );

			OUString sOldName( GetName() );

			const String& rNewTabName = pFrmFmt->GetName();
			OUStringBuffer aBuffer( rNewTabName.Len() + 4 );
			aBuffer.append( OUString(rNewTabName) );
			aBuffer.append( static_cast<sal_Unicode>( '-' ) );
			aBuffer.append( static_cast<sal_Int32>( pTabFrm->GetPhyPageNum() ) );

			SetName( aBuffer.makeStringAndClear() );
			if( sOldName != GetName() )
			{
				AccessibleEventObject aEvent;
				aEvent.EventId = AccessibleEventId::NAME_CHANGED;
				aEvent.OldValue <<= sOldName;
				aEvent.NewValue <<= GetName();
				FireAccessibleEvent( aEvent );
			}

			OUString sOldDesc( sDesc );
			OUString sArg1( rNewTabName );
			OUString sArg2( GetFormattedPageNumber() );

			sDesc = GetResource( STR_ACCESS_TABLE_DESC, &sArg1, &sArg2 );
			if( sDesc != sOldDesc )
			{
				AccessibleEventObject aEvent;
				aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED;
				aEvent.OldValue <<= sOldDesc;
				aEvent.NewValue <<= sDesc;
				FireAccessibleEvent( aEvent );
			}
		}
		break;

	case RES_OBJECTDYING:
        // mba: it seems that this class intentionally does not call code in base class SwClient
		if( pOld && ( GetRegisteredIn() == static_cast< SwModify *>( static_cast< const SwPtrMsgPoolItem * >( pOld )->pObject ) ) )
			GetRegisteredInNonConst()->Remove( this );
		break;

	default:
        // mba: former call to base class method removed as it is meant to handle only RES_OBJECTDYING
		break;
	}
}

uno::Any SwAccessibleTable::queryInterface( const uno::Type& rType )
    throw (uno::RuntimeException)
{
    uno::Any aRet;
    if ( rType == ::getCppuType( static_cast< uno::Reference< XAccessibleTable > * >( 0 ) ) )
    {
        uno::Reference<XAccessibleTable> xThis( this );
       	aRet <<= xThis;
    }
    else if ( rType == ::getCppuType( static_cast< uno::Reference< XAccessibleSelection > * >( 0 ) ) )
    {
        uno::Reference<XAccessibleSelection> xSelection( this );
        aRet <<= xSelection;
    }
	else if ( rType == ::getCppuType((uno::Reference<XAccessibleTableSelection> *)0) )
    {
		uno::Reference<XAccessibleTableSelection> xTableExtent( this );
        aRet <<= xTableExtent;
    }
    else
    {
        aRet = SwAccessibleContext::queryInterface(rType);
    }

    return aRet;
}

//====== XTypeProvider ====================================================
uno::Sequence< uno::Type > SAL_CALL SwAccessibleTable::getTypes()
    throw(uno::RuntimeException)
{
	uno::Sequence< uno::Type > aTypes( SwAccessibleContext::getTypes() );

	sal_Int32 nIndex = aTypes.getLength();
	aTypes.realloc( nIndex + 2 );

	uno::Type* pTypes = aTypes.getArray();
	pTypes[nIndex++] = ::getCppuType( static_cast< uno::Reference< XAccessibleSelection > * >( 0 ) );
	pTypes[nIndex++] = ::getCppuType( static_cast< uno::Reference< XAccessibleTable > * >( 0 ) );

	return aTypes;
}

uno::Sequence< sal_Int8 > SAL_CALL SwAccessibleTable::getImplementationId()
		throw(uno::RuntimeException)
{
    vos::OGuard aGuard(Application::GetSolarMutex());
    static uno::Sequence< sal_Int8 > aId( 16 );
    static sal_Bool bInit = sal_False;
    if(!bInit)
    {
        rtl_createUuid( (sal_uInt8 *)(aId.getArray() ), 0, sal_True );
        bInit = sal_True;
    }
    return aId;
}

// --> OD 2007-06-28 #i77106#
SwAccessibleTableData_Impl* SwAccessibleTable::CreateNewTableData()
{
    const SwTabFrm* pTabFrm = static_cast<const SwTabFrm*>( GetFrm() );
    return new SwAccessibleTableData_Impl( *GetMap(), pTabFrm, IsInPagePreview() );
}
// <--

void SwAccessibleTable::UpdateTableData()
{
    // --> OD 2007-06-28 #i77106# - usage of new method <CreateNewTableData()>
    delete mpTableData;
    mpTableData = CreateNewTableData();
    // <--
}

void SwAccessibleTable::ClearTableData()
{
	delete mpTableData;
	mpTableData = 0;
}

OUString SAL_CALL SwAccessibleTable::getAccessibleDescription (void)
        throw (uno::RuntimeException)
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleContext )

	return sDesc;
}

sal_Int32 SAL_CALL SwAccessibleTable::getAccessibleRowCount()
	throw (uno::RuntimeException)
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

	return  GetTableData().GetRowCount();
}

sal_Int32 SAL_CALL SwAccessibleTable::getAccessibleColumnCount(  )
	throw (uno::RuntimeException)
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

	return GetTableData().GetColumnCount();
}

OUString SAL_CALL SwAccessibleTable::getAccessibleRowDescription(
			sal_Int32 nRow )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
    // --> OD 2010-03-10 #i87532#
    // determine table cell in <nRow>th row and in first column of row header table
    // and return its text content.
    OUString sRowDesc;

    GetTableData().CheckRowAndCol(nRow, 0, this);

    uno::Reference< XAccessibleTable > xTableRowHeader = getAccessibleRowHeaders();
    if ( xTableRowHeader.is() )
    {
        uno::Reference< XAccessible > xRowHeaderCell =
                        xTableRowHeader->getAccessibleCellAt( nRow, 0 );
        ASSERT( xRowHeaderCell.is(),
                "<SwAccessibleTable::getAccessibleRowDescription(..)> - missing row header cell -> serious issue." );
        uno::Reference< XAccessibleContext > xRowHeaderCellContext =
                                    xRowHeaderCell->getAccessibleContext();
        const sal_Int32 nCellChildCount( xRowHeaderCellContext->getAccessibleChildCount() );
        for ( sal_Int32 nChildIndex = 0; nChildIndex < nCellChildCount; ++nChildIndex )
        {
            uno::Reference< XAccessible > xChild = xRowHeaderCellContext->getAccessibleChild( nChildIndex );
            uno::Reference< XAccessibleText > xChildText( xChild, uno::UNO_QUERY );
            if ( xChildText.is() )
            {
                sRowDesc = sRowDesc + xChildText->getText();
            }
        }
    }

    return sRowDesc;
    // <--
}

OUString SAL_CALL SwAccessibleTable::getAccessibleColumnDescription(
			sal_Int32 nColumn )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
    // --> OD 2010-03-10 #i87532#
    // determine table cell in first row and in <nColumn>th column of column header table
    // and return its text content.
    OUString sColumnDesc;

    GetTableData().CheckRowAndCol(0, nColumn, this);

    uno::Reference< XAccessibleTable > xTableColumnHeader = getAccessibleColumnHeaders();
    if ( xTableColumnHeader.is() )
    {
        uno::Reference< XAccessible > xColumnHeaderCell =
                        xTableColumnHeader->getAccessibleCellAt( 0, nColumn );
        ASSERT( xColumnHeaderCell.is(),
                "<SwAccessibleTable::getAccessibleColumnDescription(..)> - missing column header cell -> serious issue." );
        uno::Reference< XAccessibleContext > xColumnHeaderCellContext =
                                    xColumnHeaderCell->getAccessibleContext();
        const sal_Int32 nCellChildCount( xColumnHeaderCellContext->getAccessibleChildCount() );
        for ( sal_Int32 nChildIndex = 0; nChildIndex < nCellChildCount; ++nChildIndex )
        {
            uno::Reference< XAccessible > xChild = xColumnHeaderCellContext->getAccessibleChild( nChildIndex );
            uno::Reference< XAccessibleText > xChildText( xChild, uno::UNO_QUERY );
            if ( xChildText.is() )
            {
                sColumnDesc = sColumnDesc + xChildText->getText();
            }
        }
    }

    return sColumnDesc;
    // <--
}

sal_Int32 SAL_CALL SwAccessibleTable::getAccessibleRowExtentAt(
			sal_Int32 nRow, sal_Int32 nColumn )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	sal_Int32 nExtend = -1;

	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

	UpdateTableData();
	GetTableData().CheckRowAndCol( nRow, nColumn, this );

	Int32Set_Impl::const_iterator aSttCol(
									GetTableData().GetColumnIter( nColumn ) );
	Int32Set_Impl::const_iterator aSttRow(
									GetTableData().GetRowIter( nRow ) );
	const SwFrm *pCellFrm = GetTableData().GetCellAtPos( *aSttCol, *aSttRow,
														 sal_False );
	if( pCellFrm )
	{
		sal_Int32 nBottom = pCellFrm->Frm().Bottom();
		nBottom -= GetFrm()->Frm().Top();
		Int32Set_Impl::const_iterator aEndRow(
				GetTableData().GetRows().upper_bound( nBottom ) );
		nExtend =
			 static_cast< sal_Int32 >( ::std::distance( aSttRow, aEndRow ) );
	}

	return nExtend;
}

sal_Int32 SAL_CALL SwAccessibleTable::getAccessibleColumnExtentAt(
		   	sal_Int32 nRow, sal_Int32 nColumn )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	sal_Int32 nExtend = -1;

	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )
	UpdateTableData();

	GetTableData().CheckRowAndCol( nRow, nColumn, this );

	Int32Set_Impl::const_iterator aSttCol(
									GetTableData().GetColumnIter( nColumn ) );
	Int32Set_Impl::const_iterator aSttRow(
									GetTableData().GetRowIter( nRow ) );
	const SwFrm *pCellFrm = GetTableData().GetCellAtPos( *aSttCol, *aSttRow,
														 sal_False );
	if( pCellFrm )
	{
		sal_Int32 nRight = pCellFrm->Frm().Right();
		nRight -= GetFrm()->Frm().Left();
		Int32Set_Impl::const_iterator aEndCol(
				GetTableData().GetColumns().upper_bound( nRight ) );
		nExtend =
			 static_cast< sal_Int32 >( ::std::distance( aSttCol, aEndCol ) );
	}

	return nExtend;
}

uno::Reference< XAccessibleTable > SAL_CALL
		SwAccessibleTable::getAccessibleRowHeaders(  )
	throw (uno::RuntimeException)
{
    // Row headers aren't supported
	return uno::Reference< XAccessibleTable >();
}

uno::Reference< XAccessibleTable > SAL_CALL
		SwAccessibleTable::getAccessibleColumnHeaders(  )
	throw (uno::RuntimeException)
{
// MT IA2: Which one should win nowadys???
/*
    // IA2 version:
	uno::Reference< XAccessibleTable > xRet;
	SwTabFrm* pTabFrm =( SwTabFrm*)( GetFrm() );
	if (pTabFrm)
	{
		if(pTabFrm->GetTable()->_GetRowsToRepeat() > 0)
		{
			//for errata table header
			SwAccessibleTableData_Impl *mpHeadTableData = new SwAccessibleTableData_Impl( pTabFrm, sal_False, sal_True);
			//for errata table header
			SwAccessibleTable *pHeadAccessibleTable = new SwAccessibleTable(GetMap(),pTabFrm);
			pHeadAccessibleTable->SetTableData(mpHeadTableData);
			xRet = pHeadAccessibleTable;
		}
	}
	return xRet;
*/
    // --> OD 2010-03-10 #i87532#
    // assure that return accesible object is empty, if no column header exists.
    SwAccessibleTableColHeaders* pTableColHeaders =
        new SwAccessibleTableColHeaders( GetMap(), static_cast< const SwTabFrm *>( GetFrm() ) );
    uno::Reference< XAccessibleTable > xTableColumnHeaders( pTableColHeaders );
    if ( pTableColHeaders->getAccessibleChildCount() <= 0 )
    {
        return uno::Reference< XAccessibleTable >();
    }

    return xTableColumnHeaders;
    // <--
}

uno::Sequence< sal_Int32 > SAL_CALL SwAccessibleTable::getSelectedAccessibleRows()
	throw (uno::RuntimeException)
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

	const SwSelBoxes *pSelBoxes = GetSelBoxes();
	if( pSelBoxes )
	{
		sal_Int32 nRows = GetTableData().GetRowCount();
		SwAccAllTableSelHander_Impl aSelRows( nRows  );

		GetTableData().GetSelection( 0, nRows, *pSelBoxes, aSelRows,
								 	 sal_False );

		return aSelRows.GetSelSequence();
	}
	else
	{
		return uno::Sequence< sal_Int32 >( 0 );
	}
}

uno::Sequence< sal_Int32 > SAL_CALL SwAccessibleTable::getSelectedAccessibleColumns()
	throw (uno::RuntimeException)
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

	const SwSelBoxes *pSelBoxes = GetSelBoxes();
	if( pSelBoxes )
	{
		sal_Int32 nCols = GetTableData().GetColumnCount();
		SwAccAllTableSelHander_Impl aSelCols( nCols );

		GetTableData().GetSelection( 0, nCols, *pSelBoxes, aSelCols, sal_True );

		return aSelCols.GetSelSequence();
	}
	else
	{
		return uno::Sequence< sal_Int32 >( 0 );
	}
}

sal_Bool SAL_CALL SwAccessibleTable::isAccessibleRowSelected( sal_Int32 nRow )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

	GetTableData().CheckRowAndCol( nRow, 0, this );

	sal_Bool bRet;
	const SwSelBoxes *pSelBoxes = GetSelBoxes();
	if( pSelBoxes )
	{
		SwAccSingleTableSelHander_Impl aSelRow;
		GetTableData().GetSelection( nRow, nRow+1, *pSelBoxes, aSelRow,
									 sal_False );
		bRet = aSelRow.IsSelected();
	}
	else
	{
		bRet = sal_False;
	}

	return bRet;
}

sal_Bool SAL_CALL SwAccessibleTable::isAccessibleColumnSelected(
		sal_Int32 nColumn )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

	GetTableData().CheckRowAndCol( 0, nColumn, this );

	sal_Bool bRet;
	const SwSelBoxes *pSelBoxes = GetSelBoxes();
	if( pSelBoxes )
	{
		SwAccSingleTableSelHander_Impl aSelCol;

		GetTableData().GetSelection( nColumn, nColumn+1, *pSelBoxes, aSelCol,
									 sal_True );
		bRet = aSelCol.IsSelected();
	}
	else
	{
		bRet = sal_False;
	}

	return bRet;
}

uno::Reference< XAccessible > SAL_CALL SwAccessibleTable::getAccessibleCellAt(
		sal_Int32 nRow, sal_Int32 nColumn )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	uno::Reference< XAccessible > xRet;

	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

	const SwFrm *pCellFrm =
					GetTableData().GetCell( nRow, nColumn, sal_False, this );
	if( pCellFrm )
		xRet = GetMap()->GetContext( pCellFrm, sal_True );

	return xRet;
}

uno::Reference< XAccessible > SAL_CALL SwAccessibleTable::getAccessibleCaption()
	throw (uno::RuntimeException)
{
	// captions aren't supported
	return uno::Reference< XAccessible >();
}

uno::Reference< XAccessible > SAL_CALL SwAccessibleTable::getAccessibleSummary()
	throw (uno::RuntimeException)
{
	// summaries aren't supported
	return uno::Reference< XAccessible >();
}

sal_Bool SAL_CALL SwAccessibleTable::isAccessibleSelected(
			sal_Int32 nRow, sal_Int32 nColumn )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	sal_Bool bRet = sal_False;

	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

	const SwFrm *pFrm =
					GetTableData().GetCell( nRow, nColumn, sal_False, this );
	if( pFrm && pFrm->IsCellFrm() )
	{
		const SwSelBoxes *pSelBoxes = GetSelBoxes();
		if( pSelBoxes )
		{
			const SwCellFrm *pCFrm = static_cast < const SwCellFrm * >( pFrm );
			SwTableBox *pBox =
				const_cast< SwTableBox *>( pCFrm->GetTabBox() ); //SVPtrArr!
			bRet = pSelBoxes->Seek_Entry( pBox );
		}
	}

	return bRet;
}

sal_Int32 SAL_CALL SwAccessibleTable::getAccessibleIndex(
			sal_Int32 nRow, sal_Int32 nColumn )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	sal_Int32 nRet = -1;

	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

    SwAccessibleChild aCell( GetTableData().GetCell( nRow, nColumn, sal_False, this ));
    if ( aCell.IsValid() )
    {
        nRet = GetChildIndex( *(GetMap()), aCell );
    }

	return nRet;
}

sal_Int32 SAL_CALL SwAccessibleTable::getAccessibleRow( sal_Int32 nChildIndex )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	sal_Int32 nRet = -1;

	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

    // --> OD 2007-06-27 #i77106#
    if ( ( nChildIndex < 0 ) ||
         ( nChildIndex >= getAccessibleChildCount() ) )
    {
        throw lang::IndexOutOfBoundsException();
    }
    // <--

    SwAccessibleChild aCell( GetChild( *(GetMap()), nChildIndex ) );
    if ( aCell.GetSwFrm()  )
	{
		sal_Int32 nTop = aCell.GetSwFrm()->Frm().Top();
		nTop -= GetFrm()->Frm().Top();
		Int32Set_Impl::const_iterator aRow(
				GetTableData().GetRows().lower_bound( nTop ) );
		nRet = static_cast< sal_Int32 >( ::std::distance(
					GetTableData().GetRows().begin(), aRow ) );
	}
    else
    {
        ASSERT( !aCell.IsValid(), "SwAccessibleTable::getAccessibleColumn:"
                "aCell not expected to be valid.");

        throw lang::IndexOutOfBoundsException();
    }

	return nRet;
}

sal_Int32 SAL_CALL SwAccessibleTable::getAccessibleColumn(
		sal_Int32 nChildIndex )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	sal_Int32 nRet = -1;

	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable )

    // --> OD 2007-06-27 #i77106#
    if ( ( nChildIndex < 0 ) ||
         ( nChildIndex >= getAccessibleChildCount() ) )
    {
        throw lang::IndexOutOfBoundsException();
    }
    // <--

    SwAccessibleChild aCell( GetChild( *(GetMap()), nChildIndex ) );
    if ( aCell.GetSwFrm()  )
	{
		sal_Int32 nLeft = aCell.GetSwFrm()->Frm().Left();
		nLeft -= GetFrm()->Frm().Left();
		Int32Set_Impl::const_iterator aCol(
				GetTableData().GetColumns().lower_bound( nLeft ) );
		nRet = static_cast< sal_Int32 >( ::std::distance(
					GetTableData().GetColumns().begin(), aCol ) );
	}
    else
    {
        ASSERT( !aCell.IsValid(), "SwAccessibleTable::getAccessibleColumn:"
                "aCell not expected to be valid.");

        throw lang::IndexOutOfBoundsException();
    }

	return nRet;
}


OUString SAL_CALL SwAccessibleTable::getImplementationName()
        throw( uno::RuntimeException )
{
	return OUString(RTL_CONSTASCII_USTRINGPARAM(sImplementationName));
}

sal_Bool SAL_CALL SwAccessibleTable::supportsService(
		const OUString& sTestServiceName)
	throw (uno::RuntimeException)
{
	return sTestServiceName.equalsAsciiL( sServiceName,
										  sizeof(sServiceName)-1 ) ||
		   sTestServiceName.equalsAsciiL( sAccessibleServiceName,
				   						  sizeof(sAccessibleServiceName)-1 );
}

uno::Sequence< OUString > SAL_CALL SwAccessibleTable::getSupportedServiceNames()
		throw( uno::RuntimeException )
{
	uno::Sequence< OUString > aRet(2);
	OUString* pArray = aRet.getArray();
	pArray[0] = OUString( RTL_CONSTASCII_USTRINGPARAM(sServiceName) );
	pArray[1] = OUString( RTL_CONSTASCII_USTRINGPARAM(sAccessibleServiceName) );
	return aRet;
}

void SwAccessibleTable::InvalidatePosOrSize( const SwRect& rOldBox )
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	//need to update children
	SwAccessibleTableData_Impl *pNewTableData = CreateNewTableData();
	if( !pNewTableData->CompareExtents( GetTableData() ) )
	{
		delete mpTableData;
		mpTableData = pNewTableData;
		FireTableChangeEvent(*mpTableData);
	}
	if( HasTableData() )
		GetTableData().SetTablePos( GetFrm()->Frm().Pos() );

	SwAccessibleContext::InvalidatePosOrSize( rOldBox );
}

void SwAccessibleTable::Dispose( sal_Bool bRecursive )
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	if( GetRegisteredIn() )
		GetRegisteredInNonConst()->Remove( this );

	SwAccessibleContext::Dispose( bRecursive );
}

void SwAccessibleTable::DisposeChild( const SwAccessibleChild& rChildFrmOrObj,
                                      sal_Bool bRecursive )
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	const SwFrm *pFrm = rChildFrmOrObj.GetSwFrm();
	ASSERT( pFrm, "frame expected" );
	if( HasTableData() )
	{
		FireTableChangeEvent( GetTableData() );
		ClearTableData();
	}

	// There are two reason why this method has been called. The first one
	// is there is no context for pFrm. The method is them called by
	// the map, and we have to call our superclass.
	// The other situation is that we have been call by a call to get notified
	// about its change. We then must not call the superclass
	uno::Reference< XAccessible > xAcc( GetMap()->GetContext( pFrm, sal_False ) );
	if( !xAcc.is() )
		SwAccessibleContext::DisposeChild( rChildFrmOrObj, bRecursive );
}

void SwAccessibleTable::InvalidateChildPosOrSize( const SwAccessibleChild& rChildFrmOrObj,
												  const SwRect& rOldBox )
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	if( HasTableData() )
	{
		ASSERT( !HasTableData() ||
				GetFrm()->Frm().Pos() == GetTableData().GetTablePos(),
				"table has invalid position" );
		if( HasTableData() )
		{
            // --> OD 2007-06-28 #i77106#
            SwAccessibleTableData_Impl *pNewTableData = CreateNewTableData();
            // <--
			if( !pNewTableData->CompareExtents( GetTableData() ) )
			{
				if(pNewTableData->GetRowCount()!= mpTableData->GetRowCount())
				{
					Int32Set_Impl::const_iterator aSttCol( GetTableData().GetColumnIter( 0 ) );
					Int32Set_Impl::const_iterator aSttRow( GetTableData().GetRowIter( 1 ) );
					const SwFrm *pCellFrm = GetTableData().GetCellAtPos( *aSttCol, *aSttRow, sal_False );
					Int32Set_Impl::const_iterator aSttCol2(	pNewTableData->GetColumnIter( 0 ) );
					Int32Set_Impl::const_iterator aSttRow2( pNewTableData->GetRowIter( 0 ) );
					const SwFrm *pCellFrm2 = pNewTableData->GetCellAtPos( *aSttCol2, *aSttRow2,	sal_False );

					if(pCellFrm == pCellFrm2)
					{
						AccessibleTableModelChange aModelChange;
						aModelChange.Type = AccessibleTableModelChangeType::UPDATE;
						aModelChange.FirstRow = 0;
						aModelChange.LastRow = mpTableData->GetRowCount() - 1;
						aModelChange.FirstColumn = 0;
						aModelChange.LastColumn = mpTableData->GetColumnCount() - 1;

						AccessibleEventObject aEvent;
						aEvent.EventId = AccessibleEventId::TABLE_COLUMN_HEADER_CHANGED;
						aEvent.NewValue <<= aModelChange;

						FireAccessibleEvent( aEvent );
					}
				}
				else
				FireTableChangeEvent( GetTableData() );
				ClearTableData();
				mpTableData = pNewTableData;
			}
			else
			{
				delete pNewTableData;
			}
		}
	}

    // --> OD 2010-02-18 #i013961# - always call super class method
    SwAccessibleContext::InvalidateChildPosOrSize( rChildFrmOrObj, rOldBox );
    // <--
}


//
//  XAccessibleSelection
//

void SAL_CALL SwAccessibleTable::selectAccessibleChild(
    sal_Int32 nChildIndex )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	vos::OGuard aGuard(Application::GetSolarMutex());
	CHECK_FOR_DEFUNC( XAccessibleTable );

    // --> OD 2007-06-27 #i77106#
    if( (nChildIndex < 0) || (nChildIndex >= getAccessibleChildCount()) )
    // <--
        throw lang::IndexOutOfBoundsException();

    // preliminaries: get 'our' table box, and get the cursor shell
    const SwTableBox* pBox = GetTableBox( nChildIndex );
    DBG_ASSERT( pBox != NULL, "We need the table box." );

    SwCrsrShell* pCrsrShell = GetCrsrShell();
    if( pCrsrShell == NULL )
        return;

    // --> OD 2004-11-16 #111714# - assure, that child, indentified by the given
    // index, isn't already selected.
    if ( IsChildSelected( nChildIndex ) )
    {
        return;
    }
    // <--

    // now we can start to do the work: check whether we already have
    // a table selection (in 'our' table). If so, extend the
    // selection, else select the current cell.

    // if we have a selection in a table, check if it's in the
    // same table that we're trying to select in
    const SwTableNode* pSelectedTable = pCrsrShell->IsCrsrInTbl();
    if( pSelectedTable != NULL )
    {
        // get top-most table line
        const SwTableLine* pUpper = pBox->GetUpper();
        while( pUpper->GetUpper() != NULL )
            pUpper = pUpper->GetUpper()->GetUpper();
        sal_uInt16 nPos =
            pSelectedTable->GetTable().GetTabLines().GetPos( pUpper );
        if( nPos == USHRT_MAX )
            pSelectedTable = NULL;
    }

    // create the new selection
    const SwStartNode* pStartNode = pBox->GetSttNd();
    if( pSelectedTable == NULL || !pCrsrShell->GetTblCrs() )
    {
        // if we're in the wrong table, or there's no table selection
        // at all, then select the current table cell.
//      SwPaM* pPaM = pCrsrShell->GetCrsr();
//      pPaM->DeleteMark();
//      *(pPaM->GetPoint()) = SwPosition( *pStartNode );
//  	pPaM->Move( fnMoveForward, fnGoNode );
// //   pCrsrShell->SelTblBox();

		pCrsrShell->StartAction();
		// Set cursor into current cell. This deletes any table cursor.
        SwPaM aPaM( *pStartNode );
        aPaM.Move( fnMoveForward, fnGoNode );
		Select( aPaM );
		// Move cursor to the end of the table creating a selection and a table
		// cursor.
		pCrsrShell->SetMark();
		pCrsrShell->MoveTable( fnTableCurr, fnTableEnd );
		// now set the cursor into the cell again.
		SwPaM *pPaM = pCrsrShell->GetTblCrs() ? pCrsrShell->GetTblCrs()
													: pCrsrShell->GetCrsr();
		*pPaM->GetPoint() = *pPaM->GetMark();
		pCrsrShell->EndAction();
		// we now have one cell selected!
    }
    else
    {
        // if the cursor is already in this table,
        // expand the current selection (i.e., set
        // point to new position; keep mark)
        SwPaM aPaM( *pStartNode );
        aPaM.Move( fnMoveForward, fnGoNode );
        aPaM.SetMark();
		const SwPaM *pPaM = pCrsrShell->GetTblCrs() ? pCrsrShell->GetTblCrs()
													: pCrsrShell->GetCrsr();
        *(aPaM.GetMark()) = *pPaM->GetMark();
		Select( aPaM );

        // if only one box is selected, we select this one in
        // order to maintain our table selection
//        if( aPaM.GetPoint()->nNode.GetNode().FindTableBoxStartNode() ==
//           aPaM.GetMark()->nNode.GetNode().FindTableBoxStartNode() )
//        {
// //            pCrsrShell->SelTblBox();
//         }
//         else
//         {
            // finally; set the selection. This will call UpdateCursor
            // on the cursor shell, too.
//            pCrsrShell->KillPams();
 //           pCrsrShell->SetSelection( aPaM );
//         }
    }
}


sal_Bool SAL_CALL SwAccessibleTable::isAccessibleChildSelected(
    sal_Int32 nChildIndex )
    throw ( lang::IndexOutOfBoundsException,
            uno::RuntimeException )
{
	vos::OGuard aGuard(Application::GetSolarMutex());
	CHECK_FOR_DEFUNC( XAccessibleTable );

    // --> OD 2007-06-27 #i77106#
    if( (nChildIndex < 0) || (nChildIndex >= getAccessibleChildCount()) )
    // <--
        throw lang::IndexOutOfBoundsException();

    return IsChildSelected( nChildIndex );
}

void SAL_CALL SwAccessibleTable::clearAccessibleSelection(  )
    throw ( uno::RuntimeException )
{
	vos::OGuard aGuard(Application::GetSolarMutex());

	CHECK_FOR_DEFUNC( XAccessibleTable );

    SwCrsrShell* pCrsrShell = GetCrsrShell();
    if( pCrsrShell != NULL )
	{
        pCrsrShell->StartAction();
        pCrsrShell->ClearMark();
        pCrsrShell->EndAction();
	}
}

void SAL_CALL SwAccessibleTable::selectAllAccessibleChildren(  )
    throw ( uno::RuntimeException )
{
    // first clear selection, then select first and last child
    clearAccessibleSelection();
    selectAccessibleChild( 0 );
    // --> OD 2007-06-27 #i77106#
    selectAccessibleChild( getAccessibleChildCount()-1 );
    // <--
}

sal_Int32 SAL_CALL SwAccessibleTable::getSelectedAccessibleChildCount(  )
    throw ( uno::RuntimeException )
{
	vos::OGuard aGuard(Application::GetSolarMutex());
	CHECK_FOR_DEFUNC( XAccessibleTable );

    // iterate over all children and count isAccessibleChildSelected()
    sal_Int32 nCount = 0;

    // --> OD 2007-06-27 #i71106#
    sal_Int32 nChildren = getAccessibleChildCount();
    // <--
    for( sal_Int32 n = 0; n < nChildren; n++ )
        if( IsChildSelected( n ) )
            nCount++;

    return nCount;
}

uno::Reference<XAccessible> SAL_CALL SwAccessibleTable::getSelectedAccessibleChild(
    sal_Int32 nSelectedChildIndex )
    throw ( lang::IndexOutOfBoundsException,
            uno::RuntimeException)
{
	vos::OGuard aGuard(Application::GetSolarMutex());
	CHECK_FOR_DEFUNC( XAccessibleTable );

    // paremter checking (part 1): index lower 0
    if( nSelectedChildIndex < 0 )
        throw lang::IndexOutOfBoundsException();

	sal_Int32 nChildIndex = GetIndexOfSelectedChild( nSelectedChildIndex );

    // parameter checking (part 2): index higher than selected children?
    if( nChildIndex < 0 )
        throw lang::IndexOutOfBoundsException();

    // --> OD 2007-06-28 #i77106#
    if ( nChildIndex >= getAccessibleChildCount() )
    {
        throw lang::IndexOutOfBoundsException();
    }
    // <--

    return getAccessibleChild( nChildIndex );
}

// --> OD 2004-11-16 #111714# - index has to be treated as global child index.
void SAL_CALL SwAccessibleTable::deselectAccessibleChild(
    sal_Int32 nChildIndex )
    throw ( lang::IndexOutOfBoundsException,
            uno::RuntimeException )
{
	vos::OGuard aGuard(Application::GetSolarMutex());
	CHECK_FOR_DEFUNC( XAccessibleTable );

    SwCrsrShell* pCrsrShell = GetCrsrShell();

    // --> OD 2004-11-16 #111714# - index has to be treated as global child index
    if ( !pCrsrShell )
        throw lang::IndexOutOfBoundsException();

    // assure, that given child index is in bounds.
    // --> OD 2007-06-27 #i77106#
    if ( nChildIndex < 0 || nChildIndex >= getAccessibleChildCount() )
    // <--
        throw lang::IndexOutOfBoundsException();

    // assure, that child, identified by the given index, is selected.
    if ( !IsChildSelected( nChildIndex ) )
        return;
    // <--

    const SwTableBox* pBox = GetTableBox( nChildIndex );
    DBG_ASSERT( pBox != NULL, "We need the table box." );

	// If we unselect point, then set cursor to mark. If we clear another
	// selected box, then set cursor to point.
	// reduce selection to mark.
	SwPaM *pPaM = pCrsrShell->GetTblCrs() ? pCrsrShell->GetTblCrs()
												: pCrsrShell->GetCrsr();
	sal_Bool bDeselectPoint =
		pBox->GetSttNd() ==
			pPaM->GetPoint()->nNode.GetNode().FindTableBoxStartNode();

	SwPaM aPaM( bDeselectPoint ? *pPaM->GetMark() : *pPaM->GetPoint() );

	pCrsrShell->StartAction();

	// Set cursor into either point or mark
	Select( aPaM );
	// Move cursor to the end of the table creating a selection and a table
	// cursor.
	pCrsrShell->SetMark();
	pCrsrShell->MoveTable( fnTableCurr, fnTableEnd );
	// now set the cursor into the cell again.
	pPaM = pCrsrShell->GetTblCrs() ? pCrsrShell->GetTblCrs()
										: pCrsrShell->GetCrsr();
	*pPaM->GetPoint() = *pPaM->GetMark();
	pCrsrShell->EndAction();
}

void  SwAccessibleTable::SetTableData(SwAccessibleTableData_Impl* mpNewTableData)
{
	mpTableData = mpNewTableData;
}

sal_Int32 SAL_CALL SwAccessibleTable::getBackground()
		throw (::com::sun::star::uno::RuntimeException)
{
	const SvxBrushItem &rBack = GetFrm()->GetAttrSet()->GetBackground();
	sal_uInt32 crBack = rBack.GetColor().GetColor();

	if (COL_AUTO == crBack)
	{
		uno::Reference<XAccessible> xAccDoc = getAccessibleParent();
		if (xAccDoc.is())
		{
			uno::Reference<XAccessibleComponent> xCompoentDoc(xAccDoc,uno::UNO_QUERY);
			if (xCompoentDoc.is())
			{
				crBack = (sal_uInt32)xCompoentDoc->getBackground();
			}
		}
	}
	return crBack;
}

void SwAccessibleTable::FireSelectionEvent( )
{
	AccessibleEventObject aEvent;

	aEvent.EventId = AccessibleEventId::SELECTION_CHANGED_REMOVE;

//    int nRemove = m_vecCellRemove.size();
//    int nAdd = m_vecCellAdd.size();

	VEC_CELL::iterator vi = m_vecCellRemove.begin();
	for (; vi != m_vecCellRemove.end()  ; ++vi)
	{
		SwAccessibleContext *pAccCell = const_cast<SwAccessibleContext *>(*vi);
		OSL_ASSERT(pAccCell != NULL );
		pAccCell->FireAccessibleEvent(aEvent);
	}

	if (m_vecCellAdd.size() <= SELECTION_WITH_NUM)
	{
		aEvent.EventId = AccessibleEventId::SELECTION_CHANGED_ADD;
		vi = m_vecCellAdd.begin();
		for (; vi != m_vecCellAdd.end()  ; ++vi)
		{
			SwAccessibleContext *pAccCell = const_cast<SwAccessibleContext *>(*vi);
			OSL_ASSERT(pAccCell != NULL );
			pAccCell->FireAccessibleEvent(aEvent);
		}
		return ;
	}
	else
	{
		aEvent.EventId = AccessibleEventId::SELECTION_CHANGED_WITHIN;
		FireAccessibleEvent(aEvent);
	}
}

void SwAccessibleTable::ClearSelectionCellCache()
{
	m_vecCellAdd.clear();
	m_vecCellRemove.clear();
}

void SwAccessibleTable::AddSelectionCell(const SwAccessibleContext* pAccCell ,sal_Bool bAddOrRemove)
{
	if (bAddOrRemove)
	{
		m_vecCellAdd.push_back(pAccCell);
	}
	else
	{
		m_vecCellRemove.push_back(pAccCell);
	}
}

//=====  XAccessibleTableSelection  ============================================
sal_Bool SAL_CALL SwAccessibleTable::selectRow( sal_Int32 row )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	if( isAccessibleColumnSelected( row ) )
		return sal_True;

	long lCol, lColumnCount, lChildIndex;
	lColumnCount = getAccessibleColumnCount();
	for(lCol = 0; lCol < lColumnCount; lCol ++)
	{
		lChildIndex = getAccessibleIndex(row, lCol);
		selectAccessibleChild(lChildIndex);
	}

	return sal_True;
}
sal_Bool SAL_CALL SwAccessibleTable::selectColumn( sal_Int32 column )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	if( isAccessibleColumnSelected( column ) )
		return sal_True;

	long lRow, lRowCount, lChildIndex;
	lRowCount = getAccessibleRowCount();

	for(lRow = 0; lRow < lRowCount; lRow ++)
	{
		lChildIndex = getAccessibleIndex(lRow, column);
		selectAccessibleChild(lChildIndex);
	}
	return sal_True;
}
sal_Bool SAL_CALL SwAccessibleTable::unselectRow( sal_Int32 row )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	if( isAccessibleSelected( row , 0 ) &&  isAccessibleSelected( row , getAccessibleColumnCount()-1 ) )
	{
		SwCrsrShell* pCrsrShell = GetCrsrShell();
		if( pCrsrShell != NULL )
		{
			pCrsrShell->StartAction();
			pCrsrShell->ClearMark();
			pCrsrShell->EndAction();
			return sal_True;
		}
	}
	return sal_True;
}
sal_Bool SAL_CALL SwAccessibleTable::unselectColumn( sal_Int32 column )
	throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	if( isAccessibleSelected( 0 , column ) &&  isAccessibleSelected( getAccessibleRowCount()-1,column))
	{
		SwCrsrShell* pCrsrShell = GetCrsrShell();
		if( pCrsrShell != NULL )
		{
			pCrsrShell->StartAction();
			pCrsrShell->ClearMark();
			pCrsrShell->EndAction();
			return sal_True;
		}
	}
	return sal_True;
}
// --> OD 2007-06-28 #i77106#
// implementation of class <SwAccessibleTableColHeaders>
SwAccessibleTableColHeaders::SwAccessibleTableColHeaders( SwAccessibleMap *pMap2,
                                                          const SwTabFrm *pTabFrm )
    : SwAccessibleTable( pMap2, pTabFrm )
{
    vos::OGuard aGuard(Application::GetSolarMutex());

    const SwFrmFmt *pFrmFmt = pTabFrm->GetFmt();
    const_cast< SwFrmFmt * >( pFrmFmt )->Add( this );
    const String& rName = pFrmFmt->GetName();

    OUStringBuffer aBuffer( rName.Len() + 15 + 6 );
    aBuffer.append( OUString(rName) );
    aBuffer.append( String::CreateFromAscii("-ColumnHeaders-") );
    aBuffer.append( static_cast<sal_Int32>( pTabFrm->GetPhyPageNum() ) );

    SetName( aBuffer.makeStringAndClear() );

    OUStringBuffer aBuffer2( rName.Len() + 14 );
    aBuffer2.append( OUString(rName) );
    aBuffer2.append( String::CreateFromAscii("-ColumnHeaders") );
    OUString sArg1( aBuffer2.makeStringAndClear() );
    OUString sArg2( GetFormattedPageNumber() );

    OUString sDesc2 = GetResource( STR_ACCESS_TABLE_DESC, &sArg1, &sArg2 );
    SetDesc( sDesc2 );

    // --> OD 2008-03-10 #i85634#
    NotRegisteredAtAccessibleMap();
    // <--
}

SwAccessibleTableData_Impl* SwAccessibleTableColHeaders::CreateNewTableData()
{
    const SwTabFrm* pTabFrm = static_cast<const SwTabFrm*>( GetFrm() );
    return new SwAccessibleTableData_Impl( *(GetMap()), pTabFrm, IsInPagePreview(), true );
}


void SwAccessibleTableColHeaders::Modify( const SfxPoolItem * /*pOld*/, const SfxPoolItem * /*pNew*/ )
{
}

//=====  XInterface  ======================================================
uno::Any SAL_CALL SwAccessibleTableColHeaders::queryInterface( const uno::Type& aType )
        throw (uno::RuntimeException)
{
    return SwAccessibleTable::queryInterface( aType );
}

//=====  XAccessibleContext  ==============================================
sal_Int32 SAL_CALL SwAccessibleTableColHeaders::getAccessibleChildCount(void)
        throw (uno::RuntimeException)
{
    vos::OGuard aGuard(Application::GetSolarMutex());

    CHECK_FOR_DEFUNC( XAccessibleContext )

    sal_Int32 nCount = 0;

    const SwTabFrm* pTabFrm = static_cast<const SwTabFrm*>( GetFrm() );
    const SwAccessibleChildSList aVisList( GetVisArea(), *pTabFrm, *(GetMap()) );
    SwAccessibleChildSList::const_iterator aIter( aVisList.begin() );
    while( aIter != aVisList.end() )
    {
        const SwAccessibleChild& rLower = *aIter;
        if( rLower.IsAccessible( IsInPagePreview() ) )
        {
            nCount++;
        }
        else if( rLower.GetSwFrm() )
        {
            // There are no unaccessible SdrObjects that count
            if ( !rLower.GetSwFrm()->IsRowFrm() ||
                 pTabFrm->IsInHeadline( *(rLower.GetSwFrm()) ) )
            {
                nCount += SwAccessibleFrame::GetChildCount( *(GetMap()),
                                                            GetVisArea(),
                                                            rLower.GetSwFrm(),
                                                            IsInPagePreview() );
            }
        }
        ++aIter;
    }

    return nCount;
}

uno::Reference< XAccessible> SAL_CALL
        SwAccessibleTableColHeaders::getAccessibleChild (sal_Int32 nIndex)
        throw (uno::RuntimeException, lang::IndexOutOfBoundsException)
{
    if ( nIndex < 0 || nIndex >= getAccessibleChildCount() )
    {
        throw lang::IndexOutOfBoundsException();
    }

    return SwAccessibleTable::getAccessibleChild( nIndex );
}

//=====  XAccessibleTable  ================================================
uno::Reference< XAccessibleTable >
        SAL_CALL SwAccessibleTableColHeaders::getAccessibleRowHeaders()
        throw (uno::RuntimeException)
{
    return uno::Reference< XAccessibleTable >();
}

uno::Reference< XAccessibleTable >
        SAL_CALL SwAccessibleTableColHeaders::getAccessibleColumnHeaders()
        throw (uno::RuntimeException)
{
    return uno::Reference< XAccessibleTable >();
}

//=====  XServiceInfo  ====================================================

::rtl::OUString SAL_CALL SwAccessibleTableColHeaders::getImplementationName (void)
        throw (uno::RuntimeException)
{
    static const sal_Char sImplName[] = "com.sun.star.comp.Writer.SwAccessibleTableColumnHeadersView";
    return OUString(RTL_CONSTASCII_USTRINGPARAM(sImplName));
}