/*************************************************************************
 *
 * 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.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"

#include "scitems.hxx"
#include "AccessiblePreviewTable.hxx"
#include "AccessiblePreviewCell.hxx"
#include "AccessiblePreviewHeaderCell.hxx"
#include "AccessibilityHints.hxx"
#include "prevwsh.hxx"
#include "unoguard.hxx"
#include "miscuno.hxx"
#include "prevloc.hxx"
#include "attrib.hxx"
#include "document.hxx"
#include "scresid.hxx"
#ifndef SC_SC_HRC
#include "sc.hrc"
#endif

#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>

#include <vcl/window.hxx>
#include <svl/smplhint.hxx>
#include <unotools/accessiblestatesethelper.hxx>
#include <comphelper/sequence.hxx>

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

//=====  internal  ============================================================

ScAccessiblePreviewTable::ScAccessiblePreviewTable( const ::com::sun::star::uno::Reference<
						        ::com::sun::star::accessibility::XAccessible>& rxParent,
							ScPreviewShell* pViewShell, sal_Int32 nIndex ) :
	ScAccessibleContextBase( rxParent, AccessibleRole::TABLE ),
	mpViewShell( pViewShell ),
	mnIndex( nIndex ),
	mpTableInfo( NULL )
{
	if (mpViewShell)
		mpViewShell->AddAccessibilityObject(*this);
}

ScAccessiblePreviewTable::~ScAccessiblePreviewTable()
{
	if (!ScAccessibleContextBase::IsDefunc() && !rBHelper.bInDispose)
	{
		// increment refcount to prevent double call off dtor
		osl_incrementInterlockedCount( &m_refCount );
		dispose();
	}
}

void SAL_CALL ScAccessiblePreviewTable::disposing()
{
    ScUnoGuard aGuard;
	if (mpViewShell)
	{
		mpViewShell->RemoveAccessibilityObject(*this);
		mpViewShell = NULL;
	}

	if (mpTableInfo)
		DELETEZ (mpTableInfo);

	ScAccessibleContextBase::disposing();
}

//=====  SfxListener  =====================================================

void ScAccessiblePreviewTable::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
	if (rHint.ISA( SfxSimpleHint ))
	{
		const SfxSimpleHint& rRef = (const SfxSimpleHint&)rHint;
		sal_uLong nId = rRef.GetId();
		if ( nId == SFX_HINT_DATACHANGED )
		{
			//	column / row layout may change with any document change,
			//	so it must be invalidated
			DELETEZ( mpTableInfo );
		}
        else if (rRef.GetId() == SC_HINT_ACC_VISAREACHANGED)
        {
            AccessibleEventObject aEvent;
            aEvent.EventId = AccessibleEventId::VISIBLE_DATA_CHANGED;
			aEvent.Source = uno::Reference< XAccessibleContext >(this);
            CommitChange(aEvent);
        }
	}

	ScAccessibleContextBase::Notify(rBC, rHint);
}

//=====  XInterface  =====================================================

uno::Any SAL_CALL ScAccessiblePreviewTable::queryInterface( uno::Type const & rType )
	throw (uno::RuntimeException)
{
	uno::Any aAny (ScAccessiblePreviewTableImpl::queryInterface(rType));
	return aAny.hasValue() ? aAny : ScAccessibleContextBase::queryInterface(rType);
}

void SAL_CALL ScAccessiblePreviewTable::acquire()
	throw ()
{
	ScAccessibleContextBase::acquire();
}

void SAL_CALL ScAccessiblePreviewTable::release()
	throw ()
{
	ScAccessibleContextBase::release();
}

//=====  XAccessibleTable  ================================================

sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleRowCount() throw (uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	sal_Int32 nRet = 0;
	if ( mpTableInfo )
		nRet = mpTableInfo->GetRows();
	return nRet;
}

sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnCount() throw (uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	sal_Int32 nRet = 0;
	if ( mpTableInfo )
		nRet = mpTableInfo->GetCols();
	return nRet;
}

rtl::OUString SAL_CALL ScAccessiblePreviewTable::getAccessibleRowDescription( sal_Int32 nRow )
								throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
    // is not supported or specified so not implemented
/*	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	rtl::OUString sName;
	if ( mpTableInfo && nRow >= 0 && nRow < mpTableInfo->GetRows() )
	{
		const ScPreviewColRowInfo& rInfo = mpTableInfo->GetRowInfo()[nRow];
		if ( rInfo.bIsHeader )
		{
			//!	name of column headers row?

			sName = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Column Headers"));
		}
		else
		{
			// normal row name
			sName = rtl::OUString::valueOf( (sal_Int32) ( rInfo.nDocIndex + 1 ) );
		}
	}
	else
		throw lang::IndexOutOfBoundsException();*/

	ScUnoGuard aGuard;
    FillTableInfo();
    if ( nRow < 0 || (mpTableInfo && nRow >= mpTableInfo->GetRows()) )
		throw lang::IndexOutOfBoundsException();

    return rtl::OUString();
}

rtl::OUString SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnDescription( sal_Int32 nColumn )
								throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
    // is not supported or specified so not implemented
/*	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	rtl::OUString sName;
	if ( mpTableInfo && nColumn >= 0 && nColumn < mpTableInfo->GetCols() )
	{
		const ScPreviewColRowInfo& rInfo = mpTableInfo->GetColInfo()[nColumn];
		if ( rInfo.bIsHeader )
		{
			//!	name of row headers column?

			sName = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Row Headers"));
		}
		else
		{
			// normal column name
			sName = ScColToAlpha( rInfo.nDocIndex );
		}
	}
	else
		throw lang::IndexOutOfBoundsException();*/

    ScUnoGuard aGuard;
	FillTableInfo();
	if ( nColumn < 0 || (mpTableInfo && nColumn >= mpTableInfo->GetCols()) )
		throw lang::IndexOutOfBoundsException();

    return rtl::OUString();
}

sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleRowExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	sal_Int32 nRows = 1;
	if ( mpViewShell && mpTableInfo && nColumn >= 0 && nRow >= 0 &&
			nColumn < mpTableInfo->GetCols() && nRow < mpTableInfo->GetRows() )
	{
		const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[nColumn];
		const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[nRow];

		if ( rColInfo.bIsHeader || rRowInfo.bIsHeader )
		{
			//	header cells only span a single cell
		}
		else
		{
			ScDocument* pDoc = mpViewShell->GetDocument();
			const ScMergeAttr* pItem = (const ScMergeAttr*)pDoc->GetAttr(
				static_cast<SCCOL>(rColInfo.nDocIndex), static_cast<SCROW>(rRowInfo.nDocIndex), mpTableInfo->GetTab(), ATTR_MERGE );
			if ( pItem && pItem->GetRowMerge() > 0 )
				nRows = pItem->GetRowMerge();
		}
	}
	else
		throw lang::IndexOutOfBoundsException();

	return nRows;
}

sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	sal_Int32 nColumns = 1;
	if ( mpViewShell && mpTableInfo && nColumn >= 0 && nRow >= 0 &&
			nColumn < mpTableInfo->GetCols() && nRow < mpTableInfo->GetRows() )
	{
		const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[nColumn];
		const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[nRow];

		if ( rColInfo.bIsHeader || rRowInfo.bIsHeader )
		{
			//	header cells only span a single cell
		}
		else
		{
			ScDocument* pDoc = mpViewShell->GetDocument();
			const ScMergeAttr* pItem = (const ScMergeAttr*)pDoc->GetAttr(
				static_cast<SCCOL>(rColInfo.nDocIndex), static_cast<SCROW>(rRowInfo.nDocIndex), mpTableInfo->GetTab(), ATTR_MERGE );
			if ( pItem && pItem->GetColMerge() > 0 )
				nColumns = pItem->GetColMerge();
		}
	}
	else
		throw lang::IndexOutOfBoundsException();

	return nColumns;
}

uno::Reference< XAccessibleTable > SAL_CALL ScAccessiblePreviewTable::getAccessibleRowHeaders() throw (uno::RuntimeException)
{
	//! missing
	return NULL;
}

uno::Reference< XAccessibleTable > SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnHeaders() throw (uno::RuntimeException)
{
	//! missing
	return NULL;
}

uno::Sequence< sal_Int32 > SAL_CALL ScAccessiblePreviewTable::getSelectedAccessibleRows() throw (uno::RuntimeException)
{
	//	in the page preview, there is no selection
    return uno::Sequence<sal_Int32>(0);
}

uno::Sequence< sal_Int32 > SAL_CALL ScAccessiblePreviewTable::getSelectedAccessibleColumns() throw (uno::RuntimeException)
{
	//	in the page preview, there is no selection
	return uno::Sequence<sal_Int32>(0);
}

sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleRowSelected( sal_Int32 nRow )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	//	in the page preview, there is no selection

    ScUnoGuard aGuard;
    FillTableInfo();
    if ( nRow < 0 || (mpTableInfo && nRow >= mpTableInfo->GetRows()) )
		throw lang::IndexOutOfBoundsException();

    return sal_False;
}

sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleColumnSelected( sal_Int32 nColumn )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	//	in the page preview, there is no selection

    ScUnoGuard aGuard;
	FillTableInfo();
	if ( nColumn < 0 || (mpTableInfo && nColumn >= mpTableInfo->GetCols()) )
		throw lang::IndexOutOfBoundsException();

    return sal_False;
}

uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleCellAt( sal_Int32 nRow, sal_Int32 nColumn )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	uno::Reference<XAccessible> xRet;
	if ( mpTableInfo && nColumn >= 0 && nRow >= 0 && nColumn < mpTableInfo->GetCols() && nRow < mpTableInfo->GetRows() )
	{
		//	index iterates horizontally
		long nNewIndex = nRow * mpTableInfo->GetCols() + nColumn;

		const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[nColumn];
		const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[nRow];

		ScAddress aCellPos( static_cast<SCCOL>(rColInfo.nDocIndex), static_cast<SCROW>(rRowInfo.nDocIndex), mpTableInfo->GetTab() );
		if ( rColInfo.bIsHeader || rRowInfo.bIsHeader )
		{
			ScAccessiblePreviewHeaderCell* pHeaderCell = new ScAccessiblePreviewHeaderCell( this, mpViewShell, aCellPos,
										rRowInfo.bIsHeader, rColInfo.bIsHeader, nNewIndex );
			xRet = pHeaderCell;
			pHeaderCell->Init();
		}
		else
		{
			ScAccessiblePreviewCell* pCell = new ScAccessiblePreviewCell( this, mpViewShell, aCellPos, nNewIndex );
			xRet = pCell;
			pCell->Init();
		}
	}

	if ( !xRet.is() )
		throw lang::IndexOutOfBoundsException();

	return xRet;
}

uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleCaption() throw (uno::RuntimeException)
{
	//! missing
	return NULL;
}

uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleSummary() throw (uno::RuntimeException)
{
	//! missing
	return NULL;
}

sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleSelected( sal_Int32 nRow, sal_Int32 nColumn )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	//	in the page preview, there is no selection
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	if ( mpTableInfo && nColumn >= 0 && nRow >= 0 && nColumn < mpTableInfo->GetCols() && nRow < mpTableInfo->GetRows() )
	{
		//	index iterates horizontally
	}
	else
		throw lang::IndexOutOfBoundsException();

	return sal_False;
}

sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleIndex( sal_Int32 nRow, sal_Int32 nColumn )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	sal_Int32 nRet = 0;
	if ( mpTableInfo && nColumn >= 0 && nRow >= 0 && nColumn < mpTableInfo->GetCols() && nRow < mpTableInfo->GetRows() )
	{
		//	index iterates horizontally
		nRet = nRow * mpTableInfo->GetCols() + nColumn;
	}
	else
		throw lang::IndexOutOfBoundsException();

	return nRet;
}

sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleRow( sal_Int32 nChildIndex )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	sal_Int32 nRow = 0;
	if ( mpTableInfo && nChildIndex >= 0 && nChildIndex < static_cast<sal_Int32>(mpTableInfo->GetRows()) * mpTableInfo->GetCols() )
	{
		nRow = nChildIndex / mpTableInfo->GetCols();
	}
	else
		throw lang::IndexOutOfBoundsException();

	return nRow;
}

sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumn( sal_Int32 nChildIndex )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	sal_Int32 nCol = 0;
	if ( mpTableInfo && nChildIndex >= 0 && nChildIndex < static_cast<sal_Int32>(mpTableInfo->GetRows()) * mpTableInfo->GetCols() )
	{
		nCol = nChildIndex % static_cast<sal_Int32>(mpTableInfo->GetCols());
	}
	else
		throw lang::IndexOutOfBoundsException();

	return nCol;
}

//=====  XAccessibleComponent  ============================================

uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleAtPoint( const awt::Point& aPoint )
    							throw (uno::RuntimeException)
{
    uno::Reference<XAccessible> xRet;
    if (containsPoint(aPoint))
    {
	    ScUnoGuard aGuard;
        IsObjectValid();

	    FillTableInfo();

	    if ( mpTableInfo )
	    {
		    SCCOL nCols = mpTableInfo->GetCols();
		    SCROW nRows = mpTableInfo->GetRows();
		    const ScPreviewColRowInfo* pColInfo = mpTableInfo->GetColInfo();
		    const ScPreviewColRowInfo* pRowInfo = mpTableInfo->GetRowInfo();

            Rectangle aScreenRect(GetBoundingBox());

            awt::Point aMovedPoint = aPoint;
            aMovedPoint.X += aScreenRect.Left();
            aMovedPoint.Y += aScreenRect.Top();

		    if ( nCols > 0 && nRows > 0 && aMovedPoint.X >= pColInfo[0].nPixelStart && aMovedPoint.Y >= pRowInfo[0].nPixelStart )
		    {
			    SCCOL nColIndex = 0;
			    while ( nColIndex < nCols && aMovedPoint.X > pColInfo[nColIndex].nPixelEnd )
				    ++nColIndex;
			    SCROW nRowIndex = 0;
			    while ( nRowIndex < nRows && aMovedPoint.Y > pRowInfo[nRowIndex].nPixelEnd )
				    ++nRowIndex;
			    if ( nColIndex < nCols && nRowIndex < nRows )
			    {
				    try
				    {
					    xRet = getAccessibleCellAt( nRowIndex, nColIndex );
				    }
				    catch (uno::Exception&)
				    {
				    }
			    }
		    }
	    }
    }

	return xRet;
}

void SAL_CALL ScAccessiblePreviewTable::grabFocus() throw (uno::RuntimeException)
{
 	ScUnoGuard aGuard;
    IsObjectValid();
	if (getAccessibleParent().is())
	{
		uno::Reference<XAccessibleComponent> xAccessibleComponent(getAccessibleParent()->getAccessibleContext(), uno::UNO_QUERY);
		if (xAccessibleComponent.is())
			xAccessibleComponent->grabFocus();
	}
}

//=====  XAccessibleContext  ==============================================

sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleChildCount() throw (uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	long nRet = 0;
	if ( mpTableInfo )
		nRet = static_cast<sal_Int32>(mpTableInfo->GetCols()) * mpTableInfo->GetRows();
	return nRet;
}

uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleChild( sal_Int32 nIndex )
    							throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	ScUnoGuard aGuard;
    IsObjectValid();

	FillTableInfo();

	uno::Reference<XAccessible> xRet;
	if ( mpTableInfo )
	{
		long nColumns = mpTableInfo->GetCols();
		if ( nColumns > 0 )
		{
			// nCol, nRow are within the visible table, not the document
			long nCol = nIndex % nColumns;
			long nRow = nIndex / nColumns;

			xRet = getAccessibleCellAt( nRow, nCol );
		}
	}

	if ( !xRet.is() )
		throw lang::IndexOutOfBoundsException();

	return xRet;
}

sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleIndexInParent() throw (uno::RuntimeException)
{
	return mnIndex;
}

uno::Reference< XAccessibleStateSet > SAL_CALL ScAccessiblePreviewTable::getAccessibleStateSet()
								throw (uno::RuntimeException)
{
	ScUnoGuard aGuard;
	uno::Reference<XAccessibleStateSet> xParentStates;
	if (getAccessibleParent().is())
	{
		uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
		xParentStates = xParentContext->getAccessibleStateSet();
	}
	utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
	if (IsDefunc(xParentStates))
		pStateSet->AddState(AccessibleStateType::DEFUNC);
    else
    {
        pStateSet->AddState(AccessibleStateType::MANAGES_DESCENDANTS);
	    pStateSet->AddState(AccessibleStateType::ENABLED);
	    pStateSet->AddState(AccessibleStateType::OPAQUE);
	    if (isShowing())
		    pStateSet->AddState(AccessibleStateType::SHOWING);
	    if (isVisible())
		    pStateSet->AddState(AccessibleStateType::VISIBLE);
    }
	return pStateSet;
}

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

rtl::OUString SAL_CALL ScAccessiblePreviewTable::getImplementationName() throw(uno::RuntimeException)
{
	return rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ScAccessiblePreviewTable"));
}

uno::Sequence<rtl::OUString> SAL_CALL ScAccessiblePreviewTable::getSupportedServiceNames()
													throw(uno::RuntimeException)
{
	uno::Sequence< ::rtl::OUString > aSequence = ScAccessibleContextBase::getSupportedServiceNames();
    sal_Int32 nOldSize(aSequence.getLength());
    aSequence.realloc(nOldSize + 1);
    ::rtl::OUString* pNames = aSequence.getArray();

	pNames[nOldSize] = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.table.AccessibleTableView"));

	return aSequence;
}

//=====  XTypeProvider  ===================================================

uno::Sequence< uno::Type > SAL_CALL ScAccessiblePreviewTable::getTypes()
		throw (uno::RuntimeException)
{
	return comphelper::concatSequences(ScAccessiblePreviewTableImpl::getTypes(), ScAccessibleContextBase::getTypes());
}

uno::Sequence<sal_Int8> SAL_CALL ScAccessiblePreviewTable::getImplementationId()
													throw(uno::RuntimeException)
{
	static uno::Sequence< sal_Int8 > aId;
	if( aId.getLength() == 0 )
	{
		aId.realloc( 16 );
		rtl_createUuid (reinterpret_cast<sal_uInt8 *>(aId.getArray()), 0, sal_True);
	}
	return aId;
}

//====  internal  =========================================================

::rtl::OUString SAL_CALL ScAccessiblePreviewTable::createAccessibleDescription(void)
				    throw (uno::RuntimeException)
{
    String sDesc(ScResId(STR_ACC_TABLE_DESCR));
/*    if (mpViewShell && mpViewShell->GetDocument())
    {
	    FillTableInfo();

	    if ( mpTableInfo )
	    {
	        String sCoreName;
	        if (mpViewShell->GetDocument()->GetName( mpTableInfo->GetTab(), sCoreName ))
		        sDesc.SearchAndReplaceAscii("%1", sCoreName);
        }
    }
    sDesc.SearchAndReplaceAscii("%2", String(ScResId(SCSTR_UNKNOWN)));*/
    return rtl::OUString(sDesc);
}

::rtl::OUString SAL_CALL ScAccessiblePreviewTable::createAccessibleName(void)
				    throw (uno::RuntimeException)
{
    String sName(ScResId(STR_ACC_TABLE_NAME));

    if (mpViewShell && mpViewShell->GetDocument())
    {
	    FillTableInfo();

	    if ( mpTableInfo )
	    {
	        String sCoreName;
	        if (mpViewShell->GetDocument()->GetName( mpTableInfo->GetTab(), sCoreName ))
		        sName.SearchAndReplaceAscii("%1", sCoreName);
        }
    }

    return rtl::OUString(sName);
}

Rectangle ScAccessiblePreviewTable::GetBoundingBoxOnScreen() const throw (uno::RuntimeException)
{
	Rectangle aCellRect(GetBoundingBox());
	if (mpViewShell)
	{
		Window* pWindow = mpViewShell->GetWindow();
		if (pWindow)
		{
			Rectangle aRect = pWindow->GetWindowExtentsRelative(NULL);
			aCellRect.setX(aCellRect.getX() + aRect.getX());
			aCellRect.setY(aCellRect.getY() + aRect.getY());
		}
	}
	return aCellRect;
}

Rectangle ScAccessiblePreviewTable::GetBoundingBox() const throw (uno::RuntimeException)
{
	FillTableInfo();

	Rectangle aRect;
	if ( mpTableInfo )
	{
		SCCOL nColumns = mpTableInfo->GetCols();
		SCROW nRows = mpTableInfo->GetRows();
		if ( nColumns > 0 && nRows > 0 )
		{
			const ScPreviewColRowInfo* pColInfo = mpTableInfo->GetColInfo();
			const ScPreviewColRowInfo* pRowInfo = mpTableInfo->GetRowInfo();

			aRect = Rectangle( pColInfo[0].nPixelStart,
							   pRowInfo[0].nPixelStart,
							   pColInfo[nColumns-1].nPixelEnd,
							   pRowInfo[nRows-1].nPixelEnd );
		}
	}
	return aRect;
}

sal_Bool ScAccessiblePreviewTable::IsDefunc( const uno::Reference<XAccessibleStateSet>& rxParentStates )
{
	return ScAccessibleContextBase::IsDefunc() || (mpViewShell == NULL) || !getAccessibleParent().is() ||
		(rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
}

void ScAccessiblePreviewTable::FillTableInfo() const
{
	if ( mpViewShell && !mpTableInfo )
	{
		Size aOutputSize;
		Window* pWindow = mpViewShell->GetWindow();
		if ( pWindow )
			aOutputSize = pWindow->GetOutputSizePixel();
        Point aPoint;
		Rectangle aVisRect( aPoint, aOutputSize );

		mpTableInfo = new ScPreviewTableInfo;
		mpViewShell->GetLocationData().GetTableInfo( aVisRect, *mpTableInfo );
	}
}