xref: /trunk/main/svtools/source/brwbox/editbrowsebox2.cxx (revision cf6516809c57e1bb0a940545cca99cdad54d4ce2)

/**************************************************************
 *
 * 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.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svtools.hxx"
#include <svtools/editbrowsebox.hxx>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include "editbrowseboximpl.hxx"
#include <comphelper/types.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include "svtaccessiblefactory.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, sal_uInt16 _nColumnPos,const TriState& eState,sal_Bool _bEnabled)
{
    Reference< XAccessible > xAccessible( GetAccessible() );
    Reference< XAccessibleContext > xAccContext;
    if ( xAccessible.is() )
        xAccContext = xAccessible->getAccessibleContext();

    Reference< XAccessible > xReturn;
    if ( xAccContext.is() )
    {
        xReturn = getAccessibleFactory().createAccessibleCheckBoxCell(
            xAccContext->getAccessibleChild( ::svt::BBINDEX_TABLE ),
            *this,
            NULL,
            _nRow,
            _nColumnPos,
            eState,
            _bEnabled,
            sal_True
        );
    }
    return xReturn;
}
// -----------------------------------------------------------------------------
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 = getAccessibleFactory().createEditBrowseBoxTableCellAccess(
                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
#ifdef DBG_UTIL
_nIndex
#endif
)
{
    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_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 nRows = GetRowCount();
                sal_uInt16 nCols = ColCount();

                if ( ( nRows > 0 ) && ( nCols > 0 ) )
                {
                    if ( _nGetFocusFlags & GETFOCUS_FORWARD )
                    {
                        if ( GetColumnId( 0 ) != 0 )
                        {
                            GoToRowColumnId( 0, GetColumnId( 0 ) );
                        }
                        else
                        {   // the first column is the handle column -> not focussable
                            if ( nCols > 1 )
                                GoToRowColumnId( 0, GetColumnId( 1 ) );
                        }
                    }
                    else if ( _nGetFocusFlags & GETFOCUS_BACKWARD )
                    {
                        GoToRowColumnId( nRows - 1, GetColumnId( nCols -1 ) );
                    }
                }
            }
        }
    }
}
// -----------------------------------------------------------------------------
Rectangle EditBrowseBox::GetFieldCharacterBounds(sal_Int32 _nRow,sal_Int32 _nColumnPos,sal_Int32 _nIndex)
{
    Rectangle aRect;
    if ( SeekRow(_nRow) )
    {
        CellController* pController = GetController(
            _nRow, GetColumnId( sal::static_int_cast< sal_uInt16 >(_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( sal::static_int_cast< sal_uInt16 >(_nColumnPos) ) );
        if ( pController )
            nRet = pController->GetWindow().GetIndexForPoint(_rPoint);
    }
    return nRet;
}
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
} // namespace svt
// -----------------------------------------------------------------------------