/**************************************************************
 * 
 * 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
 * under the License.
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 *************************************************************/


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


#include "accessibility/extended/AccessibleGridControlTable.hxx"
#include "accessibility/extended/AccessibleGridControlTableCell.hxx"
#include <svtools/accessibletable.hxx>

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

using ::rtl::OUString;

using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Any;

using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using namespace ::svt;
using namespace ::svt::table;
// ============================================================================

namespace accessibility {

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

DBG_NAME( AccessibleGridControlTable )

AccessibleGridControlTable::AccessibleGridControlTable(
        const Reference< XAccessible >& rxParent,
        IAccessibleTable& rTable, 
		AccessibleTableControlObjType _eType) :
    AccessibleGridControlTableBase( rxParent, rTable, _eType )
		,m_pCellVector( )
		,m_pAccessCellVector( )
{
}

AccessibleGridControlTable::~AccessibleGridControlTable()
{
}

// XAccessibleContext ---------------------------------------------------------

Reference< XAccessible > SAL_CALL
AccessibleGridControlTable::getAccessibleChild( sal_Int32 nChildIndex )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidIndex( nChildIndex );
	sal_Int32 nCount = getAccessibleChildCount();
	if(m_pAccessCellVector.size() == 0 || m_pAccessCellVector.size() != (unsigned)nCount)
	{
		m_pAccessCellVector.resize(nCount);
		m_pCellVector.resize(nCount);
	}
	if(!m_pAccessCellVector[nChildIndex].is())
	{
		AccessibleGridControlTableCell* pCell = new AccessibleGridControlTableCell(this, m_aTable, nChildIndex/m_aTable.GetColumnCount(), nChildIndex%m_aTable.GetColumnCount(), TCTYPE_TABLECELL);
		m_pCellVector[nChildIndex] = pCell;
		m_pAccessCellVector[nChildIndex] = pCell;
	}
	return m_pAccessCellVector[nChildIndex];
}

sal_Int32 SAL_CALL AccessibleGridControlTable::getAccessibleIndexInParent()
    throw ( uno::RuntimeException )
{
    ensureIsAlive();
    if(m_aTable.HasRowHeader() && m_aTable.HasColHeader())
	    return 0;
    else if((!m_aTable.HasRowHeader() && m_aTable.HasColHeader()) || (m_aTable.HasRowHeader() && !m_aTable.HasColHeader()) )
	    return 1;
    else
	    return 2;
}

// XAccessibleComponent -------------------------------------------------------

Reference< XAccessible > SAL_CALL
AccessibleGridControlTable::getAccessibleAtPoint( const awt::Point& rPoint )
    throw ( uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();

    Reference< XAccessible > xChild;
    sal_Int32 nRow = 0;
    sal_Int32 nColumnPos = 0;
    if( m_aTable.ConvertPointToCellAddress( nRow, nColumnPos, VCLPoint( rPoint ) ) )
        xChild = new AccessibleGridControlTableCell(this, m_aTable, nRow, nColumnPos, TCTYPE_TABLECELL);
    return xChild;
}

void SAL_CALL AccessibleGridControlTable::grabFocus()
    throw ( uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    m_aTable.GrabFocus();
}

Any SAL_CALL AccessibleGridControlTable::getAccessibleKeyBinding()
    throw ( uno::RuntimeException )
{
    ensureIsAlive();
    return Any();   // no special key bindings for data table
}

// XAccessibleTable -----------------------------------------------------------

OUString SAL_CALL AccessibleGridControlTable::getAccessibleRowDescription( sal_Int32 nRow )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidRow( nRow );
    return m_aTable.GetRowDescription( nRow );
}

OUString SAL_CALL AccessibleGridControlTable::getAccessibleColumnDescription( sal_Int32 nColumn )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidColumn( nColumn );
    return m_aTable.GetColumnDescription( (sal_uInt16)nColumn );
}

Reference< XAccessibleTable > SAL_CALL AccessibleGridControlTable::getAccessibleRowHeaders()
    throw ( uno::RuntimeException )
{
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    if(m_aTable.HasColHeader())
	    return implGetHeaderBar( 1 );
    else
	    return implGetHeaderBar( 0 );
}

Reference< XAccessibleTable > SAL_CALL AccessibleGridControlTable::getAccessibleColumnHeaders()
    throw ( uno::RuntimeException )
{
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    return implGetHeaderBar( 0 );
}

Sequence< sal_Int32 > SAL_CALL AccessibleGridControlTable::getSelectedAccessibleRows()
    throw ( uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    Sequence< sal_Int32 > aSelSeq;
    implGetSelectedRows( aSelSeq );
    return aSelSeq;
}

//columns aren't selectable
Sequence< sal_Int32 > SAL_CALL AccessibleGridControlTable::getSelectedAccessibleColumns()
    throw ( uno::RuntimeException )
{
	Sequence< sal_Int32 > aSelSeq(0);
	return aSelSeq;
}

sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleRowSelected( sal_Int32 nRow )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidRow( nRow );
    sal_Bool bSelected = sal_False;
    Sequence< sal_Int32 > selectedRows = getSelectedAccessibleRows();
    for(int i=0; i<selectedRows.getLength(); i++)
    {
	    if(nRow == selectedRows[i])
	    {
		    bSelected = sal_True;
		    continue;
	    }
    }
    return bSelected;
}

//columns aren't selectable
sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleColumnSelected( sal_Int32 nColumn )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    (void) nColumn;
    return sal_False;
}

Reference< XAccessible > SAL_CALL AccessibleGridControlTable::getAccessibleCellAt(
        sal_Int32 nRow, sal_Int32 nColumn )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidAddress( nRow, nColumn );
	sal_Int32 nCount = getAccessibleChildCount();
	sal_Int32 nChildIndex = nRow*m_aTable.GetColumnCount() + nColumn;
	if(m_pAccessCellVector.size() == 0 || m_pAccessCellVector.size() != (unsigned)nCount)
	{
		m_pAccessCellVector.resize(nCount);
		m_pCellVector.resize(nCount);
	}
	if(!m_pAccessCellVector[nChildIndex].is())
	{
		AccessibleGridControlTableCell* pCell = new AccessibleGridControlTableCell(this, m_aTable, nRow, nColumn, TCTYPE_TABLECELL);
		m_pCellVector[nChildIndex] = pCell;
		m_pAccessCellVector[nChildIndex] = pCell;
	}
	return m_pAccessCellVector[nChildIndex];
}

sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleSelected(
        sal_Int32 nRow, sal_Int32 nColumn )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidAddress( nRow, nColumn );
    (void) nColumn;
    //selection of single cells not possible, so if row is selected, the cell will be selected too
    return isAccessibleRowSelected(nRow);
}
void SAL_CALL AccessibleGridControlTable::selectAccessibleChild( sal_Int32 nChildIndex )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidIndex( nChildIndex );
    sal_Int32 nColumns = m_aTable.GetColumnCount();
    sal_Int32 nRow = (nChildIndex / nColumns);
    m_aTable.SelectRow( nRow, sal_True );
}
sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleChildSelected( sal_Int32 nChildIndex )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidIndex( nChildIndex );
    sal_Int32 nColumns = m_aTable.GetColumnCount();
    sal_Int32 nRow = (nChildIndex / nColumns);
    return isAccessibleRowSelected(nRow);
}
void SAL_CALL AccessibleGridControlTable::clearAccessibleSelection()
    throw ( uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    m_aTable.SelectAllRows( false );
}
void SAL_CALL AccessibleGridControlTable::selectAllAccessibleChildren()
    throw ( uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    Sequence< sal_Int32 > selectedRows = getSelectedAccessibleRows();
    for(int i=0;i<m_aTable.GetRowCount();i++)
	    selectedRows[i]=i;
}
sal_Int32 SAL_CALL AccessibleGridControlTable::getSelectedAccessibleChildCount()
    throw ( uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    Sequence< sal_Int32 > selectedRows = getSelectedAccessibleRows();
    sal_Int32 nColumns = m_aTable.GetColumnCount();
    return selectedRows.getLength()*nColumns;
}
Reference< XAccessible > SAL_CALL
AccessibleGridControlTable::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    if(isAccessibleChildSelected(nSelectedChildIndex))
	    return getAccessibleChild(nSelectedChildIndex);
    else
	    return NULL;
}
//not implemented yet, because only row selection possible
void SAL_CALL AccessibleGridControlTable::deselectAccessibleChild(
        sal_Int32 nSelectedChildIndex )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    (void)nSelectedChildIndex;
}
// XInterface -----------------------------------------------------------------

Any SAL_CALL AccessibleGridControlTable::queryInterface( const uno::Type& rType )
    throw ( uno::RuntimeException )
{
    Any aAny( AccessibleGridControlTableBase::queryInterface( rType ) );
    return aAny.hasValue() ?
    	aAny : AccessibleGridControlTableImplHelper1::queryInterface( rType );
}

void SAL_CALL AccessibleGridControlTable::acquire() throw ()
{
    AccessibleGridControlTableBase::acquire();
}

void SAL_CALL AccessibleGridControlTable::release() throw ()
{
    AccessibleGridControlTableBase::release();
}
// XServiceInfo ---------------------------------------------------------------

OUString SAL_CALL AccessibleGridControlTable::getImplementationName()
    throw ( uno::RuntimeException )
{
    return OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.accessibility.AccessibleGridControlTable" ) );
}

// internal virtual methods ---------------------------------------------------

Rectangle AccessibleGridControlTable::implGetBoundingBox()
{
	Window* pParent = m_aTable.GetAccessibleParentWindow();
	DBG_ASSERT( pParent, "implGetBoundingBox - missing parent window" );
	Rectangle aGridRect( m_aTable.GetWindowExtentsRelative( pParent ));
	Rectangle aTableRect( m_aTable.calcTableRect() );
	long nX = aGridRect.Left() + aTableRect.Left();
	long nY = aGridRect.Top() + aTableRect.Top();
	long nWidth = aGridRect.GetSize().Width()-aTableRect.Left();
	long nHeight = aGridRect.GetSize().Height()-aTableRect.Top();
	Rectangle aTable( Point( nX, nY ), Size( nWidth, nHeight ));
    return aTable;
}

Rectangle AccessibleGridControlTable::implGetBoundingBoxOnScreen()
{
	Rectangle aGridRect( m_aTable.GetWindowExtentsRelative( NULL ));
	Rectangle aTableRect( m_aTable.calcTableRect() );
	long nX = aGridRect.Left() + aTableRect.Left();
	long nY = aGridRect.Top() + aTableRect.Top();
	long nWidth = aGridRect.GetSize().Width()-aTableRect.Left();
	long nHeight = aGridRect.GetSize().Height()-aTableRect.Top();
	Rectangle aTable( Point( nX, nY ), Size( nWidth, nHeight ));
    return aTable;
}
// internal helper methods ----------------------------------------------------
Reference< XAccessibleTable > AccessibleGridControlTable::implGetHeaderBar(
        sal_Int32 nChildIndex )
    throw ( uno::RuntimeException )
{
    Reference< XAccessible > xRet;
    Reference< XAccessibleContext > xContext( m_xParent, uno::UNO_QUERY );
    if( xContext.is() )
    {
        try
        {
            xRet = xContext->getAccessibleChild( nChildIndex );
        }
        catch( lang::IndexOutOfBoundsException& )
        {
            DBG_ERROR( "implGetHeaderBar - wrong child index" );
        }
        // RuntimeException goes to caller
    }
    return Reference< XAccessibleTable >( xRet, uno::UNO_QUERY );
}

std::vector< AccessibleGridControlTableCell* >& AccessibleGridControlTable::getCellVector()
{
	return m_pCellVector;
}

std::vector< Reference< XAccessible > >& AccessibleGridControlTable::getAccessibleCellVector()
{
	return m_pAccessCellVector;
}
// ============================================================================

} // namespace accessibility

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