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libreoffice/sw/source/core/access/acccell.cxx
Michael Brauer 008346ccc1 #105192#: getMinimumValue fixed
2002-11-25 14:14:37 +00:00

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/*************************************************************************
*
* $RCSfile: acccell.cxx,v $
*
* $Revision: 1.10 $
*
* last change: $Author: mib $ $Date: 2002-11-25 15:14:37 $
*
* 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): _______________________________________
*
*
************************************************************************/
#ifdef PRECOMPILED
#include "core_pch.hxx"
#endif
#pragma hdrstop
#ifndef _VOS_MUTEX_HXX_ //autogen
#include <vos/mutex.hxx>
#endif
#ifndef _DRAFTS_COM_SUN_STAR_ACCESSIBILITY_ACCESSIBLEROLE_HPP_
#include <drafts/com/sun/star/accessibility/AccessibleRole.hpp>
#endif
#ifndef _DRAFTS_COM_SUN_STAR_ACCESSIBILITY_ACCESSIBLESTATETYPE_HPP_
#include <drafts/com/sun/star/accessibility/AccessibleStateType.hpp>
#endif
#ifndef _DRAFTS_COM_SUN_STAR_ACCESSIBILITY_ACCESSIBLEEVENTID_HPP_
#include <drafts/com/sun/star/accessibility/AccessibleEventId.hpp>
#endif
#ifndef _UTL_ACCESSIBLESTATESETHELPER_HXX_
#include <unotools/accessiblestatesethelper.hxx>
#endif
#ifndef _COM_SUN_STAR_UNO_RUNTIMEEXCEPTION_HPP_
#include <com/sun/star/uno/RuntimeException.hpp>
#endif
#ifndef _RTL_UUID_H_
#include <rtl/uuid.h>
#endif
#ifndef _SV_SVAPP_HXX //autogen
#include <vcl/svapp.hxx>
#endif
#ifndef _CELLFRM_HXX
#include <cellfrm.hxx>
#endif
#ifndef _TABFRM_HXX
#include <tabfrm.hxx>
#endif
#ifndef _SWTABLE_HXX
#include <swtable.hxx>
#endif
#ifndef _CRSRSH_HXX
#include "crsrsh.hxx"
#endif
#ifndef _VISCRS_HXX
#include "viscrs.hxx"
#endif
#ifndef _ACCFRMOBJSLIST_HXX
#include <accfrmobjslist.hxx>
#endif
#ifndef _FRMFMT_HXX
#include "frmfmt.hxx"
#endif
#ifndef _CELLATR_HXX
#include "cellatr.hxx"
#endif
#ifndef _ACCMAP_HXX
#include "accmap.hxx"
#endif
#ifndef _ACCCELL_HXX
#include <acccell.hxx>
#endif
#include <limits.h>
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using namespace ::drafts::com::sun::star::accessibility;
using namespace ::rtl;
const sal_Char sServiceName[] = "drafts.com.sun.star.table.AccessibleCellView";
const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessibleCellView";
sal_Bool SwAccessibleCell::IsSelected()
{
sal_Bool bRet = sal_False;
DBG_ASSERT( GetMap(), "no map?" );
const ViewShell *pVSh = GetMap()->GetShell();
DBG_ASSERT( pVSh, "no shell?" );
if( pVSh->ISA( SwCrsrShell ) )
{
const SwCrsrShell *pCSh = static_cast< const SwCrsrShell * >( pVSh );
if( pCSh->IsTableMode() )
{
const SwCellFrm *pCFrm =
static_cast< const SwCellFrm * >( GetFrm() );
SwTableBox *pBox =
const_cast< SwTableBox *>( pCFrm->GetTabBox() ); //SVPtrArr!
bRet = pCSh->GetTableCrsr()->GetBoxes().Seek_Entry( pBox );
}
}
return bRet;
}
void SwAccessibleCell::GetStates(
::utl::AccessibleStateSetHelper& rStateSet )
{
SwAccessibleContext::GetStates( rStateSet );
// SELECTABLE
const ViewShell *pVSh = GetMap()->GetShell();
DBG_ASSERT( pVSh, "no shell?" );
if( pVSh->ISA( SwCrsrShell ) )
rStateSet.AddState( AccessibleStateType::SELECTABLE );
// SELECTED
if( IsSelected() )
{
rStateSet.AddState( AccessibleStateType::SELECTED );
ASSERT( bIsSelected, "bSelected out of sync" );
::vos::ORef < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
}
SwAccessibleCell::SwAccessibleCell(
SwAccessibleMap *pMap,
const SwCellFrm *pCellFrm ) :
SwAccessibleContext( pMap, AccessibleRole::TABLE_CELL, pCellFrm ),
bIsSelected( sal_False )
{
vos::OGuard aGuard(Application::GetSolarMutex());
OUString sName( pCellFrm->GetTabBox()->GetName() );
SetName( sName );
bIsSelected = IsSelected();
}
sal_Bool SwAccessibleCell::_InvalidateMyCursorPos()
{
sal_Bool bNew = IsSelected();
sal_Bool bOld;
{
vos::OGuard aGuard( aMutex );
bOld = bIsSelected;
bIsSelected = bNew;
}
if( bNew )
{
// remember that object as the one that has the caret. This is
// neccessary to notify that object if the cursor leaves it.
::vos::ORef < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
sal_Bool bChanged = bOld != bNew;
if( bChanged )
FireStateChangedEvent( AccessibleStateType::SELECTED, bNew );
return bChanged;
}
sal_Bool SwAccessibleCell::_InvalidateChildrenCursorPos( const SwFrm *pFrm )
{
sal_Bool bChanged = sal_False;
const SwFrmOrObjSList aVisList( GetVisArea(), pFrm );
SwFrmOrObjSList::const_iterator aIter( aVisList.begin() );
while( aIter != aVisList.end() )
{
const SwFrmOrObj& rLower = *aIter;
const SwFrm *pLower = rLower.GetSwFrm();
if( pLower )
{
if( rLower.IsAccessible( GetMap()->GetShell()->IsPreView() ) )
{
::vos::ORef< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pLower, sal_False ) );
if( xAccImpl.isValid() )
{
ASSERT( xAccImpl->GetFrm()->IsCellFrm(),
"table child is not a cell frame" )
bChanged |= static_cast< SwAccessibleCell *>(
xAccImpl.getBodyPtr() )->_InvalidateMyCursorPos();
}
else
bChanged = sal_True; // If the context is not know we
// don't know whether the selection
// changed or not.
}
else
{
// This is a box with sub rows.
bChanged |= _InvalidateChildrenCursorPos( pLower );
}
}
++aIter;
}
return bChanged;
}
void SwAccessibleCell::_InvalidateCursorPos()
{
const SwFrm *pParent = GetParent( GetFrm(), IsInPagePreview() );
ASSERT( pParent->IsTabFrm(), "parent is not a tab frame" );
const SwTabFrm *pTabFrm = static_cast< const SwTabFrm * >( pParent );
if( pTabFrm->IsFollow() )
pTabFrm = pTabFrm->FindMaster();
while( pTabFrm )
{
sal_Bool bChanged = _InvalidateChildrenCursorPos( pTabFrm );
if( bChanged )
{
::vos::ORef< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pTabFrm, sal_False ) );
if( xAccImpl.isValid() )
{
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::ACCESSIBLE_SELECTION_EVENT;
xAccImpl->FireAccessibleEvent( aEvent );
}
}
pTabFrm = pTabFrm->GetFollow();
}
}
sal_Bool SwAccessibleCell::HasCursor()
{
vos::OGuard aGuard( aMutex );
return bIsSelected;
}
SwAccessibleCell::~SwAccessibleCell()
{
}
OUString SAL_CALL SwAccessibleCell::getAccessibleDescription (void)
throw (::com::sun::star::uno::RuntimeException)
{
return GetName();
}
OUString SAL_CALL SwAccessibleCell::getImplementationName()
throw( RuntimeException )
{
return OUString(RTL_CONSTASCII_USTRINGPARAM(sImplementationName));
}
sal_Bool SAL_CALL SwAccessibleCell::supportsService(
const ::rtl::OUString& sTestServiceName)
throw (::com::sun::star::uno::RuntimeException)
{
return sTestServiceName.equalsAsciiL( sServiceName,
sizeof(sServiceName)-1 ) ||
sTestServiceName.equalsAsciiL( sAccessibleServiceName,
sizeof(sAccessibleServiceName)-1 );
}
Sequence< OUString > SAL_CALL SwAccessibleCell::getSupportedServiceNames()
throw( ::com::sun::star::uno::RuntimeException )
{
Sequence< OUString > aRet(2);
OUString* pArray = aRet.getArray();
pArray[0] = OUString( RTL_CONSTASCII_USTRINGPARAM(sServiceName) );
pArray[1] = OUString( RTL_CONSTASCII_USTRINGPARAM(sAccessibleServiceName) );
return aRet;
}
void SwAccessibleCell::Dispose( sal_Bool bRecursive )
{
const SwFrm *pParent = GetParent( GetFrm(), IsInPagePreview() );
::vos::ORef< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pParent, sal_False ) );
if( xAccImpl.isValid() )
xAccImpl->DisposeChild( GetFrm(), bRecursive );
SwAccessibleContext::Dispose( bRecursive );
}
void SwAccessibleCell::InvalidatePosOrSize( const SwRect& rOldBox )
{
const SwFrm *pParent = GetParent( GetFrm(), IsInPagePreview() );
::vos::ORef< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pParent, sal_False ) );
if( xAccImpl.isValid() )
xAccImpl->InvalidateChildPosOrSize( GetFrm(), rOldBox );
SwAccessibleContext::InvalidatePosOrSize( rOldBox );
}
// ===== XAccessibleInterface ===========================================
Any SwAccessibleCell::queryInterface( const Type& rType )
throw( RuntimeException )
{
if ( rType == ::getCppuType((Reference<XAccessibleValue> *)0) )
{
Reference<XAccessibleValue> xValue = this;
Any aRet;
aRet <<= xValue;
return aRet;
}
else
{
return SwAccessibleContext::queryInterface( rType );
}
}
//====== XTypeProvider ====================================================
Sequence< Type > SAL_CALL SwAccessibleCell::getTypes() throw(RuntimeException)
{
Sequence< Type > aTypes( SwAccessibleContext::getTypes() );
sal_Int32 nIndex = aTypes.getLength();
aTypes.realloc( nIndex + 1 );
Type* pTypes = aTypes.getArray();
pTypes[nIndex] = ::getCppuType( static_cast< Reference< XAccessibleValue > * >( 0 ) );
return aTypes;
}
Sequence< sal_Int8 > SAL_CALL SwAccessibleCell::getImplementationId()
throw(RuntimeException)
{
static Sequence< sal_Int8 > aId( 16 );
static sal_Bool bInit = sal_False;
if(!bInit)
rtl_createUuid( reinterpret_cast< sal_uInt8 * >(aId.getArray() ),
0, sal_True );
return aId;
}
// ===== XAccessibleValue ===============================================
SwFrmFmt* SwAccessibleCell::GetTblBoxFormat() const
{
DBG_ASSERT( GetFrm() != NULL, "no frame?" );
DBG_ASSERT( GetFrm()->IsCellFrm(), "no cell frame?" );
const SwCellFrm* pCellFrm = static_cast<const SwCellFrm*>( GetFrm() );
return pCellFrm->GetTabBox()->GetFrmFmt();
}
Any SwAccessibleCell::getCurrentValue( )
throw( RuntimeException )
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC( XAccessibleValue );
Any aAny;
aAny <<= GetTblBoxFormat()->GetTblBoxValue().GetValue();
return aAny;
}
sal_Bool SwAccessibleCell::setCurrentValue( const Any& aNumber )
throw( RuntimeException )
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC( XAccessibleValue );
double fValue;
sal_Bool bValid = (aNumber >>= fValue);
if( bValid )
{
SwTblBoxValue aValue( fValue );
GetTblBoxFormat()->SetAttr( aValue );
}
return bValid;
}
Any SwAccessibleCell::getMaximumValue( )
throw( RuntimeException )
{
Any aAny;
aAny <<= DBL_MAX;
return aAny;
}
Any SwAccessibleCell::getMinimumValue( )
throw( RuntimeException )
{
Any aAny;
aAny <<= -DBL_MAX;
return aAny;
}
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