/* -*- 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 <svtools/brwbox.hxx>
#include <svtools/AccessibleBrowseBoxObjType.hxx>
#include <tools/debug.hxx>
#include <tools/multisel.hxx>
#include "datwin.hxx"
#include "brwimpl.hxx"
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <toolkit/helper/vclunohelper.hxx>

// Accessibility ==============================================================

using ::rtl::OUString;
using namespace ::com::sun::star::uno;
using ::com::sun::star::accessibility::XAccessible;
using namespace ::com::sun::star::accessibility;

// ============================================================================
namespace svt
{
    using namespace ::com::sun::star::lang;
    using namespace utl;

    Reference< XAccessible > getHeaderCell( BrowseBoxImpl::THeaderCellMap& _raHeaderCells,
                                            sal_Int32 _nPos,
                                            AccessibleBrowseBoxObjType _eType,
                                            const Reference< XAccessible >& _rParent,
                                            BrowseBox& _rBrowseBox,
                                            IAccessibleFactory& rFactory
                                          )
    {
        Reference< XAccessible > xRet;
        BrowseBoxImpl::THeaderCellMap::iterator aFind = _raHeaderCells.find( _nPos );
        if ( aFind == _raHeaderCells.end() )
        {
            Reference< XAccessible > xAccessible = rFactory.createAccessibleBrowseBoxHeaderCell(
                _nPos,
                _rParent,
                _rBrowseBox,
                NULL,
                _eType
            );
            aFind = _raHeaderCells.insert( BrowseBoxImpl::THeaderCellMap::value_type( _nPos, xAccessible ) ).first;
        }
        if ( aFind != _raHeaderCells.end() )
            xRet = aFind->second;
        return xRet;
    }

    // ============================================================================
    // ----------------------------------------------------------------------------
    Reference< XAccessible > BrowseBoxImpl::getAccessibleHeaderBar( AccessibleBrowseBoxObjType _eObjType )
    {
        if ( m_pAccessible && m_pAccessible->isAlive() )
            return m_pAccessible->getHeaderBar( _eObjType );
        return NULL;
    }

    // ----------------------------------------------------------------------------
    Reference< XAccessible > BrowseBoxImpl::getAccessibleTable( )
    {
        if ( m_pAccessible && m_pAccessible->isAlive() )
            return m_pAccessible->getTable( );
        return NULL;
    }
}

// ============================================================================

Reference< XAccessible > BrowseBox::CreateAccessible()
{
    Window* pParent = GetAccessibleParentWindow();
    DBG_ASSERT( pParent, "BrowseBox::CreateAccessible - parent not found" );

    if( pParent && !m_pImpl->m_pAccessible)
    {
        Reference< XAccessible > xAccParent = pParent->GetAccessible();
        if( xAccParent.is() )
        {
            m_pImpl->m_pAccessible = getAccessibleFactory().createAccessibleBrowseBox(
                xAccParent, *this
            );
        }
    }

    Reference< XAccessible > xAccessible;
    if ( m_pImpl->m_pAccessible )
        xAccessible = m_pImpl->m_pAccessible->getMyself();

    return xAccessible;
}
// -----------------------------------------------------------------------------

// Children -------------------------------------------------------------------

Reference< XAccessible > BrowseBox::CreateAccessibleCell( sal_Int32 _nRow, sal_uInt16 _nColumnPos )
{
    // BBINDEX_TABLE must be the table
    OSL_ENSURE(m_pImpl->m_pAccessible,"Invalid call: Accessible is null");

    return m_pImpl->m_aFactoryAccess.getFactory().createAccessibleBrowseBoxTableCell(
        m_pImpl->getAccessibleTable(),
        *this,
        NULL,
        _nRow,
        _nColumnPos,
        OFFSET_DEFAULT
    );
}
// -----------------------------------------------------------------------------

Reference< XAccessible > BrowseBox::CreateAccessibleRowHeader( sal_Int32 _nRow )
{
    return svt::getHeaderCell(
        m_pImpl->m_aRowHeaderCellMap,
        _nRow,
        svt::BBTYPE_ROWHEADERCELL,
        m_pImpl->getAccessibleHeaderBar(svt::BBTYPE_ROWHEADERBAR),
        *this,
        m_pImpl->m_aFactoryAccess.getFactory()
    );
}
// -----------------------------------------------------------------------------

Reference< XAccessible > BrowseBox::CreateAccessibleColumnHeader( sal_uInt16 _nColumnPos )
{
    return svt::getHeaderCell(
            m_pImpl->m_aColHeaderCellMap,
            _nColumnPos,
            svt::BBTYPE_COLUMNHEADERCELL,
            m_pImpl->getAccessibleHeaderBar(svt::BBTYPE_COLUMNHEADERBAR),
            *this,
            m_pImpl->m_aFactoryAccess.getFactory()
    );
}
// -----------------------------------------------------------------------------

sal_Int32 BrowseBox::GetAccessibleControlCount() const
{
    return 0;
}
// -----------------------------------------------------------------------------

Reference< XAccessible > BrowseBox::CreateAccessibleControl( sal_Int32 )
{
    DBG_ASSERT( sal_False, "BrowseBox::CreateAccessibleControl: to be overwritten!" );
    return NULL;
}
// -----------------------------------------------------------------------------

// Conversions ----------------------------------------------------------------

sal_Bool BrowseBox::ConvertPointToCellAddress(
        sal_Int32& rnRow, sal_uInt16& rnColumnPos, const Point& rPoint )
{
    //! TODO has to be checked
    rnRow = GetRowAtYPosPixel(rPoint.Y());
    rnColumnPos = GetColumnAtXPosPixel(rPoint.X());
    return rnRow != BROWSER_INVALIDID && rnColumnPos != BROWSER_INVALIDID;
}
// -----------------------------------------------------------------------------

sal_Bool BrowseBox::ConvertPointToRowHeader( sal_Int32& rnRow, const Point& rPoint )
{
    rnRow = GetRowAtYPosPixel(rPoint.Y());
    //  sal_uInt16 nColumnId = GetColumnAtXPosPixel(rPoint.X());
    return rnRow != BROWSER_INVALIDID;// && nColumnId == 0;
}
// -----------------------------------------------------------------------------

sal_Bool BrowseBox::ConvertPointToColumnHeader( sal_uInt16& _rnColumnPos, const Point& _rPoint )
{
    _rnColumnPos = GetColumnAtXPosPixel(_rPoint.X());
    return _rnColumnPos != BROWSER_INVALIDID;
}
// -----------------------------------------------------------------------------

sal_Bool BrowseBox::ConvertPointToControlIndex( sal_Int32& _rnIndex, const Point& _rPoint )
{
    //! TODO has to be checked
    sal_Int32 nRow = 0;
    sal_uInt16 nColumn = 0;
    sal_Bool bRet = ConvertPointToCellAddress(nRow,nColumn,_rPoint);
    if ( bRet )
        _rnIndex = nRow * ColCount() + nColumn;

    return bRet;
}
// -----------------------------------------------------------------------------

// Object data and state ------------------------------------------------------

OUString BrowseBox::GetAccessibleObjectName( ::svt::AccessibleBrowseBoxObjType eObjType,sal_Int32 ) const
{
    OUString aRetText;
    switch( eObjType )
    {
        case ::svt::BBTYPE_BROWSEBOX:
            aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "BrowseBox" ) );
            break;
        case ::svt::BBTYPE_TABLE:
            aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "Table" ) );
            break;
        case ::svt::BBTYPE_ROWHEADERBAR:
            aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "RowHeaderBar" ) );
            break;
        case ::svt::BBTYPE_COLUMNHEADERBAR:
            aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "ColumnHeaderBar" ) );
            break;
        case ::svt::BBTYPE_TABLECELL:
            aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "TableCell" ) );
#if OSL_DEBUG_LEVEL > 1
            aRetText += OUString( RTL_CONSTASCII_USTRINGPARAM( " [" ) );
            aRetText += OUString::valueOf(sal_Int32(GetCurRow()));
            aRetText += OUString( RTL_CONSTASCII_USTRINGPARAM( "," ) );
            aRetText += OUString::valueOf(sal_Int32(GetCurColumnId()));
            aRetText += OUString( RTL_CONSTASCII_USTRINGPARAM( "]" ) );
#endif
            break;
        case ::svt::BBTYPE_ROWHEADERCELL:
            aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "RowHeaderCell" ) );
#if OSL_DEBUG_LEVEL > 1
            aRetText += OUString( RTL_CONSTASCII_USTRINGPARAM( " [" ) );
            aRetText += OUString::valueOf(sal_Int32(GetCurRow()));
            aRetText += OUString( RTL_CONSTASCII_USTRINGPARAM( "," ) );
            aRetText += OUString::valueOf(sal_Int32(GetCurColumnId()));
            aRetText += OUString( RTL_CONSTASCII_USTRINGPARAM( "]" ) );
#endif
            break;
        case ::svt::BBTYPE_COLUMNHEADERCELL:
            aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "ColumnHeaderCell" ) );
#if OSL_DEBUG_LEVEL > 1
            aRetText += OUString( RTL_CONSTASCII_USTRINGPARAM( " [" ) );
            aRetText += OUString::valueOf(sal_Int32(GetCurRow()));
            aRetText += OUString( RTL_CONSTASCII_USTRINGPARAM( "," ) );
            aRetText += OUString::valueOf(sal_Int32(GetCurColumnId()));
            aRetText += OUString( RTL_CONSTASCII_USTRINGPARAM( "]" ) );
#endif
            break;
        default:
            OSL_FAIL("BrowseBox::GetAccessibleName: invalid enum!");
    }
    return aRetText;
}
// -----------------------------------------------------------------------------

OUString BrowseBox::GetAccessibleObjectDescription( ::svt::AccessibleBrowseBoxObjType eObjType,sal_Int32 ) const
{
    OUString aRetText;
    switch( eObjType )
    {
        case ::svt::BBTYPE_BROWSEBOX:
            aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "BrowseBox description" ) );
            break;
        case ::svt::BBTYPE_TABLE:
            //  aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "TABLE description" ) );
            break;
        case ::svt::BBTYPE_ROWHEADERBAR:
            //  aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "ROWHEADERBAR description" ) );
            break;
        case ::svt::BBTYPE_COLUMNHEADERBAR:
            //  aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "COLUMNHEADERBAR description" ) );
            break;
        case ::svt::BBTYPE_TABLECELL:
            //  aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "TABLECELL description" ) );
            break;
        case ::svt::BBTYPE_ROWHEADERCELL:
            //  aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "ROWHEADERCELL description" ) );
            break;
        case ::svt::BBTYPE_COLUMNHEADERCELL:
            //  aRetText = OUString( RTL_CONSTASCII_USTRINGPARAM( "COLUMNHEADERCELL description" ) );
            break;
        case ::svt::BBTYPE_CHECKBOXCELL:
            break;
    }
    return aRetText;
}
// -----------------------------------------------------------------------------

OUString BrowseBox::GetRowDescription( sal_Int32 ) const
{
    return OUString();
}
// -----------------------------------------------------------------------------

OUString BrowseBox::GetColumnDescription( sal_uInt16 _nColumn ) const
{
    return OUString( GetColumnTitle( GetColumnId( _nColumn ) ) );
}

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

void BrowseBox::FillAccessibleStateSet(
        ::utl::AccessibleStateSetHelper& rStateSet,
        ::svt::AccessibleBrowseBoxObjType eObjType ) const
{
    switch( eObjType )
    {
        case ::svt::BBTYPE_BROWSEBOX:
        case ::svt::BBTYPE_TABLE:

            rStateSet.AddState( AccessibleStateType::FOCUSABLE );
            if ( HasFocus() )
                rStateSet.AddState( AccessibleStateType::FOCUSED );
            if ( IsActive() )
                rStateSet.AddState( AccessibleStateType::ACTIVE );
            if ( GetUpdateMode() )
                rStateSet.AddState( AccessibleStateType::EDITABLE );
            if ( IsEnabled() )
            {
                rStateSet.AddState( AccessibleStateType::ENABLED );
                rStateSet.AddState( AccessibleStateType::SENSITIVE );
            }
            if ( IsReallyVisible() )
                rStateSet.AddState( AccessibleStateType::VISIBLE );
            if ( eObjType == ::svt::BBTYPE_TABLE )
                rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );

            break;
        case ::svt::BBTYPE_ROWHEADERBAR:
            rStateSet.AddState( AccessibleStateType::FOCUSABLE );
            rStateSet.AddState( AccessibleStateType::VISIBLE );
            if ( GetSelectRowCount() )
                rStateSet.AddState( AccessibleStateType::FOCUSED );
            rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );
            break;
        case ::svt::BBTYPE_COLUMNHEADERBAR:
            rStateSet.AddState( AccessibleStateType::FOCUSABLE );
            rStateSet.AddState( AccessibleStateType::VISIBLE );
            if ( GetSelectColumnCount() )
                rStateSet.AddState( AccessibleStateType::FOCUSED );
            rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );
            break;
        case ::svt::BBTYPE_TABLECELL:
            {
                sal_Int32 nRow = GetCurRow();
                sal_uInt16 nColumn = GetCurColumnId();
                if ( IsFieldVisible(nRow,nColumn) )
                    rStateSet.AddState( AccessibleStateType::VISIBLE );
                if ( !IsFrozen( nColumn ) )
                    rStateSet.AddState( AccessibleStateType::FOCUSABLE );
                rStateSet.AddState( AccessibleStateType::TRANSIENT );
            }
            break;
        case ::svt::BBTYPE_ROWHEADERCELL:
        case ::svt::BBTYPE_COLUMNHEADERCELL:
        case ::svt::BBTYPE_CHECKBOXCELL:
            OSL_FAIL("Illegal call here!");
            break;
    }
}
// -----------------------------------------------------------------------
void BrowseBox::FillAccessibleStateSetForCell( ::utl::AccessibleStateSetHelper& _rStateSet,
                                               sal_Int32 _nRow, sal_uInt16 _nColumnPos ) const
{
    //! TODO check if the state is valid for table cells
    if ( IsCellVisible( _nRow, _nColumnPos ) )
        _rStateSet.AddState( AccessibleStateType::VISIBLE );
    if ( GetCurrRow() == _nRow && GetCurrColumn() == _nColumnPos )
        _rStateSet.AddState( AccessibleStateType::FOCUSED );
    else // only transient when column is not focused
        _rStateSet.AddState( AccessibleStateType::TRANSIENT );
}
// -----------------------------------------------------------------------------

void BrowseBox::GrabTableFocus()
{
    GrabFocus();
}
// -----------------------------------------------------------------------------
String BrowseBox::GetCellText(long, sal_uInt16 ) const
{
    DBG_ASSERT(0,"This method has to be implemented by the derived classes! BUG!!");
    return String();
}

// -----------------------------------------------------------------------------
void BrowseBox::commitHeaderBarEvent(sal_Int16 nEventId,
        const Any& rNewValue, const Any& rOldValue, sal_Bool _bColumnHeaderBar )
{
    if ( isAccessibleAlive() )
        m_pImpl->m_pAccessible->commitHeaderBarEvent( nEventId,
            rNewValue, rOldValue, _bColumnHeaderBar );
}

// -----------------------------------------------------------------------------
void BrowseBox::commitTableEvent( sal_Int16 _nEventId, const Any& _rNewValue, const Any& _rOldValue )
{
    if ( isAccessibleAlive() )
        m_pImpl->m_pAccessible->commitTableEvent( _nEventId, _rNewValue, _rOldValue );
}
// -----------------------------------------------------------------------------
void BrowseBox::commitBrowseBoxEvent( sal_Int16 _nEventId, const Any& _rNewValue, const Any& _rOldValue )
{
    if ( isAccessibleAlive() )
        m_pImpl->m_pAccessible->commitEvent( _nEventId, _rNewValue, _rOldValue);
}

// -----------------------------------------------------------------------------
::svt::IAccessibleFactory& BrowseBox::getAccessibleFactory()
{
    return m_pImpl->m_aFactoryAccess.getFactory();
}

// -----------------------------------------------------------------------------
sal_Bool BrowseBox::isAccessibleAlive( ) const
{
    return ( NULL != m_pImpl->m_pAccessible ) && m_pImpl->m_pAccessible->isAlive();
}
// -----------------------------------------------------------------------------
// IAccessibleTableProvider
// -----------------------------------------------------------------------------
sal_Int32 BrowseBox::GetCurrRow() const
{
    return GetCurRow();
}
// -----------------------------------------------------------------------------
sal_uInt16 BrowseBox::GetCurrColumn() const
{
    return GetColumnPos( GetCurColumnId() );
}
// -----------------------------------------------------------------------------
sal_Bool BrowseBox::HasRowHeader() const
{
    return ( GetColumnId( 0 ) == HandleColumnId ); // HandleColumn == RowHeader
}
// -----------------------------------------------------------------------------
sal_Bool BrowseBox::IsCellFocusable() const
{
    return sal_True;
}
// -----------------------------------------------------------------------------
sal_Bool BrowseBox::GoToCell( sal_Int32 _nRow, sal_uInt16 _nColumn )
{
    return GoToRowColumnId( _nRow, GetColumnId( _nColumn ) );
}
// -----------------------------------------------------------------------------
void BrowseBox::SelectColumn( sal_uInt16 _nColumn, sal_Bool _bSelect )
{
    SelectColumnPos( _nColumn, _bSelect );
}
// -----------------------------------------------------------------------------
sal_Bool BrowseBox::IsColumnSelected( long _nColumn ) const
{
    return ( pColSel && (0 <= _nColumn) && (_nColumn <= 0xFFF) ) ?
        pColSel->IsSelected( static_cast< sal_uInt16 >( _nColumn ) ) :
        sal_False;
}
// -----------------------------------------------------------------------------
sal_Int32 BrowseBox::GetSelectedRowCount() const
{
    return GetSelectRowCount();
}
// -----------------------------------------------------------------------------
sal_Int32 BrowseBox::GetSelectedColumnCount() const
{
    const MultiSelection* pColumnSel = GetColumnSelection();
    return pColumnSel ? pColumnSel->GetSelectCount() : 0;
}
// -----------------------------------------------------------------------------
void BrowseBox::GetAllSelectedRows( ::com::sun::star::uno::Sequence< sal_Int32 >& _rRows ) const
{
    sal_Int32 nCount = GetSelectRowCount();
    if( nCount )
    {
        _rRows.realloc( nCount );
        _rRows[ 0 ] = const_cast< BrowseBox* >( this )->FirstSelectedRow();
        for( sal_Int32 nIndex = 1; nIndex < nCount; ++nIndex )
            _rRows[ nIndex ] = const_cast< BrowseBox* >( this )->NextSelectedRow();
        DBG_ASSERT( const_cast< BrowseBox* >( this )->NextSelectedRow() == BROWSER_ENDOFSELECTION,
                    "BrowseBox::GetAllSelectedRows - too many selected rows found" );
    }
}
// -----------------------------------------------------------------------------
void BrowseBox::GetAllSelectedColumns( ::com::sun::star::uno::Sequence< sal_Int32 >& _rColumns ) const
{
    const MultiSelection* pColumnSel = GetColumnSelection();
    sal_Int32 nCount = GetSelectedColumnCount();
    if( pColumnSel && nCount )
    {
        _rColumns.realloc( nCount );

        sal_Int32 nIndex = 0;
        sal_uInt32 nRangeCount = pColumnSel->GetRangeCount();
        for( sal_uInt32 nRange = 0; nRange < nRangeCount; ++nRange )
        {
            const Range& rRange = pColumnSel->GetRange( nRange );
            // loop has to include aRange.Max()
            for( sal_Int32 nCol = rRange.Min(); nCol <= rRange.Max(); ++nCol )
            {
                DBG_ASSERT( nIndex < nCount,
                    "GetAllSelectedColumns - range overflow" );
                _rColumns[ nIndex ] = nCol;
                ++nIndex;
            }
        }
    }
}
// -----------------------------------------------------------------------------
sal_Bool BrowseBox::IsCellVisible( sal_Int32 _nRow, sal_uInt16 _nColumnPos ) const
{
    return IsFieldVisible( _nRow, GetColumnId( _nColumnPos ) );
}
// -----------------------------------------------------------------------------
String BrowseBox::GetAccessibleCellText(long _nRow, sal_uInt16 _nColPos) const
{
    return GetCellText( _nRow, GetColumnId( _nColPos ) );
}

// -----------------------------------------------------------------------------
sal_Bool BrowseBox::GetGlyphBoundRects( const Point& rOrigin, const String& rStr, int nIndex, int nLen, int nBase, MetricVector& rVector )
{
    return Control::GetGlyphBoundRects( rOrigin, rStr, nIndex, nLen, nBase, rVector );
}
// -----------------------------------------------------------------------------
Rectangle BrowseBox::GetWindowExtentsRelative( Window *pRelativeWindow ) const
{
    return Control::GetWindowExtentsRelative( pRelativeWindow );
}
// -----------------------------------------------------------------------------
void BrowseBox::GrabFocus()
{
    Control::GrabFocus();
}
// -----------------------------------------------------------------------------
Reference< XAccessible > BrowseBox::GetAccessible( sal_Bool bCreate )
{
    return Control::GetAccessible( bCreate );
}
// -----------------------------------------------------------------------------
Window* BrowseBox::GetAccessibleParentWindow() const
{
    return Control::GetAccessibleParentWindow();
}
// -----------------------------------------------------------------------------
Window* BrowseBox::GetWindowInstance()
{
    return this;
}

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