/*************************************************************************
 *
 *  $RCSfile: editbrowsebox2.cxx,v $
 *
 *  $Revision: 1.10 $
 *
 *  last change: $Author: vg $ $Date: 2003-05-19 13:05:30 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library 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 for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an AS IS basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/
#ifndef _SVTOOLS_EDITBROWSEBOX_HXX_
#include "editbrowsebox.hxx"
#endif
#ifndef _COM_SUN_STAR_ACCESSIBILITY_XACCESSIBLE_HPP_
#include <com/sun/star/accessibility/XAccessible.hpp>
#endif
#ifndef _COM_SUN_STAR_ACCESSIBILITY_ACCESSIBLEEVENTID_HPP_
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#endif
#ifndef _SVTOOLS_ACCESSIBILEEDITBROWSEBOXTABLECELL_HXX
#include "editbrowseboxcell.hxx"
#endif
#ifndef SVTOOLS_EDITBROWSEBOX_IMPL_HXX
#include "editbrowseboximpl.hxx"
#endif
#ifndef _COMPHELPER_TYPES_HXX_
#include <comphelper/types.hxx>
#endif
#ifndef _TOOLKIT_HELPER_VCLUNOHELPER_HXX_
#include <toolkit/helper/vclunohelper.hxx>
#endif
#ifndef _SVTOOLS_ACCESSIBLEBROWSEBOXCHECKBOXCELL_HXX
#include "AccessibleBrowseBoxCheckBoxCell.hxx"
#endif // _SVTOOLS_ACCESSIBLEBROWSEBOXCHECKBOXCELL_HXX


namespace svt
{
    using namespace com::sun::star::accessibility;
    using namespace com::sun::star::uno;
    using namespace ::com::sun::star::accessibility::AccessibleEventId;

// -----------------------------------------------------------------------------
Reference< XAccessible > EditBrowseBox::CreateAccessibleCheckBoxCell(long _nRow, USHORT _nColumnPos,const TriState& eState,sal_Bool _bEnabled)
{
    XACC xAcc = GetAccessible();
    Reference<XAccessibleContext> xAccContext = xAcc->getAccessibleContext();
    return new AccessibleCheckBoxCell(xAccContext->getAccessibleChild( ::svt::BBINDEX_TABLE )
        ,*this
        ,NULL
        ,_nRow
        ,_nColumnPos
        ,eState
        ,_bEnabled);
}
// -----------------------------------------------------------------------------
Reference< XAccessible > EditBrowseBox::CreateAccessibleCell( sal_Int32 _nRow, sal_uInt16 _nColumnPos )
{
    return BrowseBox::CreateAccessibleCell( _nRow, _nColumnPos );
}
// -----------------------------------------------------------------------------
sal_Int32 EditBrowseBox::GetAccessibleControlCount() const
{
    return IsEditing() ? 1 : 0;
}
// -----------------------------------------------------------------------------
void EditBrowseBox::implCreateActiveAccessible( )
{
    DBG_ASSERT( IsEditing(), "EditBrowseBox::implCreateActiveAccessible: not to be called if we're not editing currently!" );
    DBG_ASSERT( !m_aImpl->m_xActiveCell.is(), "EditBrowseBox::implCreateActiveAccessible: not to be called if the old one is still alive!" );

    if ( !m_aImpl->m_xActiveCell.is() && IsEditing() )
    {
         Reference< XAccessible > xCont = aController->GetWindow().GetAccessible();
         Reference< XAccessible > xMy = GetAccessible();
         if ( xMy.is() && xCont.is() )
          {
             m_aImpl->m_xActiveCell = m_aImpl->m_pActiveCell = new EditBrowseBoxTableCellAccess(
                 xMy,                                                       // parent accessible
                 xCont,                                                     // control accessible
                 VCLUnoHelper::GetInterface( &aController->GetWindow() ),   // focus window (for notifications)
                 *this,                                                     // the browse box
                 GetCurRow(),
                 GetColumnPos( GetCurColumnId() )
             );

             commitBrowseBoxEvent( CHILD, makeAny( m_aImpl->m_xActiveCell ), Any() );
          }
    }
}

// -----------------------------------------------------------------------------
Reference< XAccessible > EditBrowseBox::CreateAccessibleControl( sal_Int32 _nIndex )
{
    DBG_ASSERT( 0 == _nIndex, "EditBrowseBox::CreateAccessibleControl: invalid index!" );

    if ( isAccessibleAlive() )
    {
        if ( !m_aImpl->m_xActiveCell.is() )
            implCreateActiveAccessible();
    }

    return m_aImpl->m_xActiveCell;
}
// -----------------------------------------------------------------------------
Reference<XAccessible > EditBrowseBox::CreateAccessibleRowHeader( sal_Int32 _nRow )
{
    return BrowseBox::CreateAccessibleRowHeader( _nRow );
}
// -----------------------------------------------------------------------------
void EditBrowseBoxImpl::clearActiveCell()
{
    try
    {
        ::comphelper::disposeComponent(m_xActiveCell);
    }
    catch(const Exception&)
    {
        OSL_ENSURE( sal_False, "EditBrowseBoxImpl::clearActiveCell: caught an exception while disposing the AccessibleCell!" );
    }

    m_pActiveCell = NULL;
    m_xActiveCell = NULL;
}
// -----------------------------------------------------------------------------
void EditBrowseBox::GrabTableFocus()
{
    if ( aController.Is() )
        aController->GetWindow().GrabFocus();
}
//------------------------------------------------------------------------------
void EditBrowseBox::DetermineFocus( const sal_uInt16 _nGetFocusFlags )
{
    sal_Bool bFocus = sal_False;
    for (Window* pWindow = Application::GetFocusWindow();
         pWindow && !bFocus;
         pWindow = pWindow->GetParent())
         bFocus = pWindow == this;

    if (bFocus != bHasFocus)
    {
        bHasFocus = bFocus;

        if ( GetBrowserFlags( ) & EBBF_SMART_TAB_TRAVEL )
        {
            if  (   bHasFocus                           // we got the focus
                &&  ( _nGetFocusFlags & GETFOCUS_TAB )  // using the TAB key
                )
            {
                long nRowCount = GetRowCount();
                USHORT nColCount = ColCount();

                if ( ( nRowCount > 0 ) && ( nColCount > 0 ) )
                {
                    if ( _nGetFocusFlags & GETFOCUS_FORWARD )
                    {
                        if ( GetColumnId( 0 ) != 0 )
                        {
                            GoToRowColumnId( 0, GetColumnId( 0 ) );
                        }
                        else
                        {   // the first column is the handle column -> not focussable
                            if ( nColCount > 1 )
                                GoToRowColumnId( 0, GetColumnId( 1 ) );
                        }
                    }
                    else if ( _nGetFocusFlags & GETFOCUS_BACKWARD )
                    {
                        GoToRowColumnId( nRowCount - 1, GetColumnId( nColCount -1 ) );
                    }
                }
            }
        }
    }
}
// -----------------------------------------------------------------------------
Rectangle EditBrowseBox::GetFieldCharacterBounds(sal_Int32 _nRow,sal_Int32 _nColumnPos,sal_Int32 _nIndex)
{
    Rectangle aRect;
    if ( SeekRow(_nRow) )
    {
        CellController* pController = GetController( _nRow,GetColumnId( _nColumnPos ) );
        if ( pController )
            aRect = pController->GetWindow().GetCharacterBounds(_nIndex);
    }
    return aRect;
}
// -----------------------------------------------------------------------------
sal_Int32 EditBrowseBox::GetFieldIndexAtPoint(sal_Int32 _nRow,sal_Int32 _nColumnPos,const Point& _rPoint)
{
    sal_Int32 nRet = -1;
    if ( SeekRow(_nRow) )
    {
        CellController* pController = GetController( _nRow, GetColumnId( _nColumnPos ) );
        if ( pController )
            nRet = pController->GetWindow().GetIndexForPoint(_rPoint);
    }
    return nRet;
}
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
} // namespace svt
// -----------------------------------------------------------------------------