mir/libreoffice
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
4c6e38d21ae2f5486594cf393cb15269a04abbc6
libreoffice/sw/source/core/access/accpara.cxx
Vladimir Glazounov 89aafb8d65 INTEGRATION: CWS swqbugfixes10 (1.58.34); FILE MERGED 
2004/12/03 15:21:52 od 1.58.34.1: #111714# <deselectAccessibleChild(..)> - handle index as global child index
         <SwAccessibleTable::[de]selectAccessibleChild(..)> - no [de]select,
         if child is already [de]selected.
2004-12-23 09:02:05 +00:00

2025 lines
60 KiB
C++
Raw Blame History

/*************************************************************************
*
* $RCSfile: accpara.cxx,v $
*
* $Revision: 1.59 $
*
* last change: $Author: vg $ $Date: 2004-12-23 10:02:05 $
*
* 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): _______________________________________
*
*
************************************************************************/
#pragma hdrstop
#ifndef _TXTFRM_HXX
#include <txtfrm.hxx>
#endif
#ifndef _NDTXT_HXX
#include <ndtxt.hxx>
#endif
#ifndef _PAM_HXX
#include <pam.hxx>
#endif
#ifndef _UNOOBJ_HXX
#include <unoobj.hxx>
#endif
#ifndef _CRSTATE_HXX
#include <crstate.hxx>
#endif
#ifndef _ACCMAP_HXX
#include <accmap.hxx>
#endif
#ifndef _FESH_HXX
#include "fesh.hxx"
#endif
#ifndef _VIEWOPT_HXX
#include <viewopt.hxx>
#endif
#ifndef _RTL_UUID_H_
#include <rtl/uuid.h>
#endif
#ifndef _VOS_MUTEX_HXX_ //autogen
#include <vos/mutex.hxx>
#endif
#ifndef _SV_SVAPP_HXX //autogen
#include <vcl/svapp.hxx>
#endif
#ifndef _SV_WINDOW_HXX
#include <vcl/window.hxx>
#endif
#ifndef _RTL_USTRBUF_HXX_
#include <rtl/ustrbuf.hxx>
#endif
#ifndef _COM_SUN_STAR_ACCESSIBILITY_ACCESSIBLEROLE_HPP_
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#endif
#ifndef _COM_SUN_STAR_ACCESSIBILITY_ACCESSIBLESTATETYPE_HPP_
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#endif
#ifndef _COM_SUN_STAR_ACCESSIBILITY_ACCESSIBLETEXTTYPE_HPP_
#include <com/sun/star/accessibility/AccessibleTextType.hpp>
#endif
#ifndef _COM_SUN_STAR_ACCESSIBILITY_ACCESSIBLEEVENTID_HPP_
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#endif
#ifndef _UTL_ACCESSIBLESTATESETHELPER_HXX_
#include <unotools/accessiblestatesethelper.hxx>
#endif
#ifndef _COM_SUN_STAR_I18N_CHARACTERITERATORMODE_HPP_
#include <com/sun/star/i18n/CharacterIteratorMode.hpp>
#endif
#ifndef _COM_SUN_STAR_I18N_WORDTYPE_HPP_
#include <com/sun/star/i18n/WordType.hpp>
#endif
#ifndef _COM_SUN_STAR_I18N_XBREAKITERATOR_HPP_
#include <com/sun/star/i18n/XBreakIterator.hpp>
#endif
#ifndef _COM_SUN_STAR_UNO_RUNTIMEEXCEPTION_HPP_
#include <com/sun/star/uno/RuntimeException.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_INDEXOUTOFBOUNDSEXCEPTION_HPP_
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_ILLEGALARGUMENTEXCEPTION_HPP_
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_XMULTIPROPERTYSET_HPP_
#include <com/sun/star/beans/XMultiPropertySet.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_PROPERTYSTATE_HPP_
#include <com/sun/star/beans/PropertyState.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_UNKNOWNPROPERTYEXCEPTION_HPP_
#include <com/sun/star/beans/UnknownPropertyException.hpp>
#endif
#ifndef _BREAKIT_HXX
#include <breakit.hxx>
#endif
#ifndef _ACCPARA_HXX
#include "accpara.hxx"
#endif
#ifndef _ACCESS_HRC
#include "access.hrc"
#endif
#ifndef _ACCPORTIONS_HXX
#include "accportions.hxx"
#endif
#ifndef _SFXSIDS_HRC
#include <sfx2/sfxsids.hrc> // for copy/cut/pasteText(...)
#endif
#ifndef _SFXVIEWSH_HXX
#include <sfx2/viewsh.hxx> // for ExecuteAtViewShell(...)
#endif
#ifndef _SFXVIEWFRM_HXX
#include <sfx2/viewfrm.hxx> // for ExecuteAtViewShell(...)
#endif
#ifndef _SFXDISPATCH_HXX
#include <sfx2/dispatch.hxx> // for ExecuteAtViewShell(...)
#endif
#ifndef _UNOTOOLS_CHARCLASS_HXX
#include <unotools/charclass.hxx> // for GetWordBoundary
#endif
#ifndef _SWTYPES_HXX
#include "swtypes.hxx"
#endif
// for get/setCharacterAttribute(...)
#ifndef _UNOCRSR_HXX
#include "unocrsr.hxx"
#endif
#ifndef _UNOOBJ_HXX
#include "unoobj.hxx"
#endif
#ifndef _UNOPORT_HXX
#include "unoport.hxx"
#endif
#ifndef _DOC_HXX
#include "doc.hxx"
#endif
#ifndef _CRSSKIP_HXX
#include "crsskip.hxx"
#endif
#ifndef _TOOLS_COLOR_HXX
#include <tools/color.hxx>
#endif
#ifndef _TXTATR_HXX
#include <txtatr.hxx>
#endif
#ifndef _ACCHYPERLINK_HXX
#include <acchyperlink.hxx>
#endif
#ifndef _ACCHYPERTEXTDATA_HXX
#include <acchypertextdata.hxx>
#endif
#include <comphelper/accessibletexthelper.hxx>
#include <algorithm>
using namespace ::com::sun::star::i18n;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::accessibility;
using namespace ::rtl;
using ::com::sun::star::beans::PropertyValue;
using ::com::sun::star::beans::XMultiPropertySet;
using ::com::sun::star::beans::UnknownPropertyException;
using ::com::sun::star::beans::PropertyState_DIRECT_VALUE;
using std::max;
using std::min;
using std::sort;
namespace com { namespace sun { namespace star {
namespace text {
class XText;
}
} } }
const sal_Char sServiceName[] = "com.sun.star.text.AccessibleParagraphView";
const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessibleParagraphView";
const xub_StrLen MAX_DESC_TEXT_LEN = 40;
const SwTxtNode* SwAccessibleParagraph::GetTxtNode() const
{
const SwFrm* pFrm = GetFrm();
DBG_ASSERT( pFrm->IsTxtFrm(), "The text frame has mutated!" );
const SwTxtNode* pNode = static_cast<const SwTxtFrm*>(pFrm)->GetTxtNode();
DBG_ASSERT( pNode != NULL, "A text frame without a text node." );
return pNode;
}
OUString SwAccessibleParagraph::GetString()
{
return GetPortionData().GetAccessibleString();
}
OUString SwAccessibleParagraph::GetDescription()
{
// --> OD 2004-09-29 #117933# - provide empty description for paragraphs
return OUString();
// <--
}
sal_Int32 SwAccessibleParagraph::GetCaretPos()
{
sal_Int32 nRet = -1;
// get the selection's point, and test whether it's in our node
SwPaM* pCaret = GetCrsr(); // caret is first PaM in PaM-ring
if( pCaret != NULL )
{
const SwTxtNode* pNode = GetTxtNode();
// check whether the point points into 'our' node
SwPosition* pPoint = pCaret->GetPoint();
if( pNode->GetIndex() == pPoint->nNode.GetIndex() )
{
// same node? Then check whether it's also within 'our' part
// of the paragraph
USHORT nIndex = pPoint->nContent.GetIndex();
if( GetPortionData().IsValidCorePosition( nIndex ) )
{
// Yes, it's us!
nRet = GetPortionData().GetAccessiblePosition( nIndex );
DBG_ASSERT( nRet >= 0, "invalid cursor?" );
DBG_ASSERT( nRet <= GetPortionData().GetAccessibleString().
getLength(), "invalid cursor?" );
}
// else: in this paragraph, but in different frame
}
// else: not in this paragraph
}
// else: no cursor -> no caret
return nRet;
}
sal_Bool SwAccessibleParagraph::GetSelection(
sal_Int32& nStart, sal_Int32& nEnd)
{
sal_Bool bRet = sal_False;
nStart = -1;
nEnd = -1;
// get the selection, and test whether it affects our text node
SwPaM* pCrsr = GetCrsr();
if( pCrsr != NULL )
{
// get SwPosition for my node
const SwTxtNode* pNode = GetTxtNode();
ULONG nHere = pNode->GetIndex();
// iterate over ring
SwPaM* pRingStart = pCrsr;
do
{
// ignore, if no mark
if( pCrsr->HasMark() )
{
// check whether nHere is 'inside' pCrsr
SwPosition* pStart = pCrsr->Start();
ULONG nStartIndex = pStart->nNode.GetIndex();
SwPosition* pEnd = pCrsr->End();
ULONG nEndIndex = pEnd->nNode.GetIndex();
if( ( nHere >= nStartIndex ) &&
( nHere <= nEndIndex ) )
{
// translate start and end positions
// start position
sal_Int32 nLocalStart = -1;
if( nHere > nStartIndex )
{
// selection starts in previous node:
// then our local selection starts with the paragraph
nLocalStart = 0;
}
else
{
DBG_ASSERT( nHere == nStartIndex,
"miscalculated index" );
// selection starts in this node:
// then check whether it's before or inside our part of
// the paragraph, and if so, get the proper position
USHORT nCoreStart = pStart->nContent.GetIndex();
if( nCoreStart <
GetPortionData().GetFirstValidCorePosition() )
{
nLocalStart = 0;
}
else if( nCoreStart <=
GetPortionData().GetLastValidCorePosition() )
{
DBG_ASSERT(
GetPortionData().IsValidCorePosition(
nCoreStart ),
"problem determining valid core position" );
nLocalStart =
GetPortionData().GetAccessiblePosition(
nCoreStart );
}
}
// end position
sal_Int32 nLocalEnd = -1;
if( nHere < nEndIndex )
{
// selection ends in following node:
// then our local selection extends to the end
nLocalEnd = GetPortionData().GetAccessibleString().
getLength();
}
else
{
DBG_ASSERT( nHere == nStartIndex,
"miscalculated index" );
// selection ends in this node: then select everything
// before our part of the node
USHORT nCoreEnd = pEnd->nContent.GetIndex();
if( nCoreEnd >
GetPortionData().GetLastValidCorePosition() )
{
// selection extends beyond out part of this para
nLocalEnd = GetPortionData().GetAccessibleString().
getLength();
}
else if( nCoreEnd >=
GetPortionData().GetFirstValidCorePosition() )
{
// selection is inside our part of this para
DBG_ASSERT(
GetPortionData().IsValidCorePosition(
nCoreEnd ),
"problem determining valid core position" );
nLocalEnd = GetPortionData().GetAccessiblePosition(
nCoreEnd );
}
}
if( ( nLocalStart != -1 ) && ( nLocalEnd != -1 ) )
{
nStart = nLocalStart;
nEnd = nLocalEnd;
bRet = sal_True;
}
}
// else: this PaM doesn't point to this paragraph
}
// else: this PaM is collapsed and doesn't select anything
// next PaM in ring
pCrsr = static_cast<SwPaM*>( pCrsr->GetNext() );
}
while( !bRet && (pCrsr != pRingStart) );
}
// else: nocursor -> no selection
return bRet;
}
SwPaM* SwAccessibleParagraph::GetCrsr()
{
// get the cursor shell; if we don't have any, we don't have a
// cursor/selection either
SwPaM* pCrsr = NULL;
SwCrsrShell* pCrsrShell = SwAccessibleParagraph::GetCrsrShell();
if( pCrsrShell != NULL && !pCrsrShell->IsTableMode() )
{
SwFEShell *pFESh = pCrsrShell->ISA( SwFEShell )
? static_cast< SwFEShell * >( pCrsrShell ) : 0;
if( !pFESh ||
!(pFESh->IsFrmSelected() || pFESh->IsObjSelected() > 0) )
{
// get the selection, and test whether it affects our text node
pCrsr = pCrsrShell->GetCrsr( FALSE /* ??? */ );
}
}
return pCrsr;
}
sal_Bool SwAccessibleParagraph::IsHeading() const
{
const SwTxtNode *pTxtNd = GetTxtNode();
return (pTxtNd->GetOutlineNum() && !pTxtNd->GetNum());
}
void SwAccessibleParagraph::GetStates(
::utl::AccessibleStateSetHelper& rStateSet )
{
SwAccessibleContext::GetStates( rStateSet );
// MULTILINE
rStateSet.AddState( AccessibleStateType::MULTI_LINE );
// MULTISELECTABLE
SwCrsrShell *pCrsrSh = GetCrsrShell();
if( pCrsrSh )
rStateSet.AddState( AccessibleStateType::MULTI_SELECTABLE );
// FOCUSABLE
if( pCrsrSh )
rStateSet.AddState( AccessibleStateType::FOCUSABLE );
// FOCUSED (simulates node index of cursor)
SwPaM* pCaret = GetCrsr();
const SwTxtNode* pTxtNd = GetTxtNode();
if( pCaret != 0 && pTxtNd != 0 &&
pTxtNd->GetIndex() == pCaret->GetPoint()->nNode.GetIndex() &&
nOldCaretPos != -1)
{
Window *pWin = GetWindow();
if( pWin && pWin->HasFocus() )
rStateSet.AddState( AccessibleStateType::FOCUSED );
::vos::ORef < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
}
void SwAccessibleParagraph::_InvalidateContent( sal_Bool bVisibleDataFired )
{
OUString sOldText( GetString() );
ClearPortionData();
const OUString& rText = GetString();
if( rText != sOldText )
{
// The text is changed
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::TEXT_CHANGED;
// determine exact changes between sOldText and rText
comphelper::OCommonAccessibleText::implInitTextChangedEvent(
sOldText, rText,
aEvent.OldValue, aEvent.NewValue );
FireAccessibleEvent( aEvent );
}
else if( !bVisibleDataFired )
{
FireVisibleDataEvent();
}
sal_Bool bNewIsHeading = IsHeading();
sal_Bool bOldIsHeading;
{
vos::OGuard aGuard( aMutex );
bOldIsHeading = bIsHeading;
if( bIsHeading != bNewIsHeading )
bIsHeading = bNewIsHeading;
}
if( bNewIsHeading != bOldIsHeading || rText != sOldText )
{
OUString sNewDesc( GetDescription() );
OUString sOldDesc;
{
vos::OGuard aGuard( aMutex );
sOldDesc = sDesc;
if( sDesc != sNewDesc )
sDesc = sNewDesc;
}
if( sNewDesc != sOldDesc )
{
// The text is changed
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED;
aEvent.OldValue <<= sOldDesc;
aEvent.NewValue <<= sNewDesc;
FireAccessibleEvent( aEvent );
}
}
}
void SwAccessibleParagraph::_InvalidateCursorPos()
{
// The text is changed
sal_Int32 nNew = GetCaretPos();
sal_Int32 nOld;
{
vos::OGuard aGuard( aMutex );
nOld = nOldCaretPos;
nOldCaretPos = nNew;
}
if( -1 != nNew )
{
// 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 );
}
Window *pWin = GetWindow();
if( nOld != nNew )
{
// The cursor's node position is sumilated by the focus!
if( pWin && pWin->HasFocus() && -1 == nOld )
FireStateChangedEvent( AccessibleStateType::FOCUSED, sal_True );
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::CARET_CHANGED;
aEvent.OldValue <<= nOld;
aEvent.NewValue <<= nNew;
FireAccessibleEvent( aEvent );
if( pWin && pWin->HasFocus() && -1 == nNew )
FireStateChangedEvent( AccessibleStateType::FOCUSED, sal_False );
}
}
void SwAccessibleParagraph::_InvalidateFocus()
{
Window *pWin = GetWindow();
if( pWin )
{
sal_Int32 nPos;
{
vos::OGuard aGuard( aMutex );
nPos = nOldCaretPos;
}
ASSERT( nPos != -1, "focus object should be selected" );
FireStateChangedEvent( AccessibleStateType::FOCUSED,
pWin->HasFocus() && nPos != -1 );
}
}
SwAccessibleParagraph::SwAccessibleParagraph(
SwAccessibleMap *pMap,
sal_Int32 nPara,
const SwTxtFrm *pTxtFrm ) :
SwAccessibleContext( pMap, AccessibleRole::PARAGRAPH, pTxtFrm ),
pPortionData( NULL ),
pHyperTextData( NULL ),
nOldCaretPos( -1 ),
aSelectionHelper( *this )
{
vos::OGuard aGuard(Application::GetSolarMutex());
bIsHeading = IsHeading();
// --> OD 2004-09-27 #117970# - set an empty accessibility name for paragraphs
SetName( OUString() );
// <--
// If this object has the focus, then it is remembered by the map itself.
nOldCaretPos = GetCaretPos();
}
SwAccessibleParagraph::~SwAccessibleParagraph()
{
vos::OGuard aGuard(Application::GetSolarMutex());
delete pPortionData;
delete pHyperTextData;
}
sal_Bool SwAccessibleParagraph::HasCursor()
{
vos::OGuard aGuard( aMutex );
return nOldCaretPos != -1;
}
void SwAccessibleParagraph::UpdatePortionData()
throw( RuntimeException )
{
// obtain the text frame
DBG_ASSERT( GetFrm() != NULL, "The text frame has vanished!" );
DBG_ASSERT( GetFrm()->IsTxtFrm(), "The text frame has mutated!" );
const SwTxtFrm* pFrm = static_cast<const SwTxtFrm*>( GetFrm() );
// build new portion data
delete pPortionData;
pPortionData = new SwAccessiblePortionData(
pFrm->GetTxtNode(), GetMap()->GetShell()->GetViewOptions() );
pFrm->VisitPortions( *pPortionData );
DBG_ASSERT( pPortionData != NULL, "UpdatePortionData() failed" );
}
void SwAccessibleParagraph::ClearPortionData()
{
delete pPortionData;
pPortionData = NULL;
delete pHyperTextData;
pHyperTextData = 0;
}
void SwAccessibleParagraph::ExecuteAtViewShell( UINT16 nSlot )
{
DBG_ASSERT( GetMap() != NULL, "no map?" );
ViewShell* pViewShell = GetMap()->GetShell();
DBG_ASSERT( pViewShell != NULL, "View shell exptected!" );
SfxViewShell* pSfxShell = pViewShell->GetSfxViewShell();
DBG_ASSERT( pSfxShell != NULL, "SfxViewShell shell exptected!" );
if( !pSfxShell )
return;
SfxViewFrame *pFrame = pSfxShell->GetViewFrame();
DBG_ASSERT( pFrame != NULL, "View frame exptected!" );
if( !pFrame )
return;
SfxDispatcher *pDispatcher = pFrame->GetDispatcher();
DBG_ASSERT( pDispatcher != NULL, "Dispatcher exptected!" );
if( !pDispatcher )
return;
pDispatcher->Execute( nSlot );
}
SwXTextPortion* SwAccessibleParagraph::CreateUnoPortion(
sal_Int32 nStartIndex,
sal_Int32 nEndIndex )
{
DBG_ASSERT( (IsValidChar(nStartIndex, GetString().getLength()) &&
(nEndIndex == -1)) ||
IsValidRange(nStartIndex, nEndIndex, GetString().getLength()),
"please check parameters before calling this method" );
USHORT nStart = GetPortionData().GetModelPosition( nStartIndex );
USHORT nEnd = (nEndIndex == -1) ? (nStart + 1) :
GetPortionData().GetModelPosition( nEndIndex );
// create UNO cursor
SwTxtNode* pTxtNode = const_cast<SwTxtNode*>( GetTxtNode() );
SwIndex aIndex( pTxtNode, nStart );
SwPosition aStartPos( *pTxtNode, aIndex );
SwUnoCrsr* pUnoCursor = pTxtNode->GetDoc()->CreateUnoCrsr( aStartPos );
pUnoCursor->SetMark();
pUnoCursor->GetMark()->nContent = nEnd;
// create a (dummy) text portion to be returned
Reference<com::sun::star::text::XText> aEmpty;
SwXTextPortion* pPortion =
new SwXTextPortion ( pUnoCursor, aEmpty, PORTION_TEXT);
delete pUnoCursor;
return pPortion;
}
//
// range checking for parameter
//
sal_Bool SwAccessibleParagraph::IsValidChar(
sal_Int32 nPos, sal_Int32 nLength)
{
return (nPos >= 0) && (nPos < nLength);
}
sal_Bool SwAccessibleParagraph::IsValidPosition(
sal_Int32 nPos, sal_Int32 nLength)
{
return (nPos >= 0) && (nPos <= nLength);
}
sal_Bool SwAccessibleParagraph::IsValidRange(
sal_Int32 nBegin, sal_Int32 nEnd, sal_Int32 nLength)
{
return IsValidPosition(nBegin, nLength) && IsValidPosition(nEnd, nLength);
}
//
// text boundaries
//
sal_Bool SwAccessibleParagraph::GetCharBoundary(
Boundary& rBound,
const OUString& rText,
sal_Int32 nPos )
{
rBound.startPos = nPos;
rBound.endPos = nPos+1;
return sal_True;
}
sal_Bool SwAccessibleParagraph::GetWordBoundary(
Boundary& rBound,
const OUString& rText,
sal_Int32 nPos )
{
sal_Bool bRet = sal_False;
// now ask the Break-Iterator for the word
DBG_ASSERT( pBreakIt != NULL, "We always need a break." );
DBG_ASSERT( pBreakIt->xBreak.is(), "No break-iterator." );
if( pBreakIt->xBreak.is() )
{
// get locale for this position
USHORT nModelPos = GetPortionData().GetModelPosition( nPos );
Locale aLocale = pBreakIt->GetLocale(
GetTxtNode()->GetLang( nModelPos ) );
// which type of word are we interested in?
// (DICTIONARY_WORD includes punctuation, ANY_WORD doesn't.)
const USHORT nWordType = WordType::ANY_WORD;
// get word boundary, as the Break-Iterator sees fit.
rBound = pBreakIt->xBreak->getWordBoundary(
rText, nPos, aLocale, nWordType, sal_True );
// It's a word if the first character is an alpha-numeric character.
bRet = GetAppCharClass().isLetterNumeric(
rText.getStr()[ rBound.startPos ] );
}
else
{
// no break Iterator -> no word
rBound.startPos = nPos;
rBound.endPos = nPos;
}
return bRet;
}
sal_Bool SwAccessibleParagraph::GetSentenceBoundary(
Boundary& rBound,
const OUString& rText,
sal_Int32 nPos )
{
GetPortionData().GetSentenceBoundary( rBound, nPos );
return sal_True;
}
sal_Bool SwAccessibleParagraph::GetLineBoundary(
Boundary& rBound,
const OUString& rText,
sal_Int32 nPos )
{
if( rText.getLength() == nPos )
GetPortionData().GetLastLineBoundary( rBound );
else
GetPortionData().GetLineBoundary( rBound, nPos );
return sal_True;
}
sal_Bool SwAccessibleParagraph::GetParagraphBoundary(
Boundary& rBound,
const OUString& rText,
sal_Int32 nPos )
{
rBound.startPos = 0;
rBound.endPos = rText.getLength();
return sal_True;
}
sal_Bool SwAccessibleParagraph::GetAttributeBoundary(
Boundary& rBound,
const OUString& rText,
sal_Int32 nPos )
{
GetPortionData().GetAttributeBoundary( rBound, nPos );
return sal_True;
}
sal_Bool SwAccessibleParagraph::GetGlyphBoundary(
Boundary& rBound,
const OUString& rText,
sal_Int32 nPos )
{
sal_Bool bRet = sal_False;
// ask the Break-Iterator for the glyph by moving one cell
// forward, and then one cell back
DBG_ASSERT( pBreakIt != NULL, "We always need a break." );
DBG_ASSERT( pBreakIt->xBreak.is(), "No break-iterator." );
if( pBreakIt->xBreak.is() )
{
// get locale for this position
USHORT nModelPos = GetPortionData().GetModelPosition( nPos );
Locale aLocale = pBreakIt->GetLocale(
GetTxtNode()->GetLang( nModelPos ) );
// get word boundary, as the Break-Iterator sees fit.
const USHORT nIterMode = CharacterIteratorMode::SKIPCELL;
sal_Int32 nDone = 0;
rBound.endPos = pBreakIt->xBreak->nextCharacters(
rText, nPos, aLocale, nIterMode, 1, nDone );
rBound.startPos = pBreakIt->xBreak->previousCharacters(
rText, rBound.endPos, aLocale, nIterMode, 1, nDone );
DBG_ASSERT( rBound.startPos <= nPos, "start pos too high" );
DBG_ASSERT( rBound.endPos >= nPos, "end pos too low" );
}
else
{
// no break Iterator -> no glyph
rBound.startPos = nPos;
rBound.endPos = nPos;
}
return bRet;
}
sal_Bool SwAccessibleParagraph::GetEmptyBoundary( Boundary& rBound )
{
rBound.startPos = 0;
rBound.endPos = 0;
return sal_True;
}
sal_Bool SwAccessibleParagraph::GetTextBoundary(
Boundary& rBound,
const OUString& rText,
sal_Int32 nPos,
sal_Int16 nTextType )
throw (
IndexOutOfBoundsException,
IllegalArgumentException,
RuntimeException)
{
// error checking
if( !( AccessibleTextType::LINE == nTextType
? IsValidPosition( nPos, rText.getLength() )
: IsValidChar( nPos, rText.getLength() ) ) )
throw IndexOutOfBoundsException();
sal_Bool bRet;
switch( nTextType )
{
case AccessibleTextType::WORD:
bRet = GetWordBoundary( rBound, rText, nPos );
break;
case AccessibleTextType::SENTENCE:
bRet = GetSentenceBoundary( rBound, rText, nPos );
break;
case AccessibleTextType::PARAGRAPH:
bRet = GetParagraphBoundary( rBound, rText, nPos );
break;
case AccessibleTextType::CHARACTER:
bRet = GetCharBoundary( rBound, rText, nPos );
break;
case AccessibleTextType::LINE:
bRet = GetLineBoundary( rBound, rText, nPos );
break;
case AccessibleTextType::ATTRIBUTE_RUN:
bRet = GetAttributeBoundary( rBound, rText, nPos );
break;
case AccessibleTextType::GLYPH:
bRet = GetGlyphBoundary( rBound, rText, nPos );
break;
default:
throw IllegalArgumentException( );
break;
}
return bRet;
}
OUString SAL_CALL SwAccessibleParagraph::getAccessibleDescription (void)
throw (::com::sun::star::uno::RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC( XAccessibleContext );
vos::OGuard aGuard2( aMutex );
if( !sDesc.getLength() )
sDesc = GetDescription();
return sDesc;
}
Locale SAL_CALL SwAccessibleParagraph::getLocale (void)
throw (::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
SwTxtFrm *pTxtFrm = PTR_CAST( SwTxtFrm, GetFrm() );
if( !pTxtFrm )
{
THROW_RUNTIME_EXCEPTION( XAccessibleContext, "internal error (no text frame)" );
}
const SwTxtNode *pTxtNd = pTxtFrm->GetTxtNode();
Locale aLoc( pBreakIt->GetLocale( pTxtNd->GetLang( 0 ) ) );
return aLoc;
}
void SAL_CALL SwAccessibleParagraph::grabFocus()
throw (::com::sun::star::uno::RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC( XAccessibleContext );
// get cursor shell
SwCrsrShell *pCrsrSh = GetCrsrShell();
SwPaM *pCrsr = GetCrsr();
const SwTxtFrm *pTxtFrm = static_cast<const SwTxtFrm*>( GetFrm() );
const SwTxtNode* pTxtNd = pTxtFrm->GetTxtNode();
if( pCrsrSh != 0 && pTxtNd != 0 &&
( pCrsr == 0 ||
pCrsr->GetPoint()->nNode.GetIndex() != pTxtNd->GetIndex() ||
!pTxtFrm->IsInside( pCrsr->GetPoint()->nContent.GetIndex()) ) )
{
// create pam for selection
SwIndex aIndex( const_cast< SwTxtNode * >( pTxtNd ),
pTxtFrm->GetOfst() );
SwPosition aStartPos( *pTxtNd, aIndex );
SwPaM aPaM( aStartPos );
// set PaM at cursor shell
Select( aPaM );
}
/* ->#i13955# */
Window * pWindow = GetWindow();
if (pWindow != NULL)
pWindow->GrabFocus();
/* <-#i13955# */
}
OUString SAL_CALL SwAccessibleParagraph::getImplementationName()
throw( RuntimeException )
{
return OUString(RTL_CONSTASCII_USTRINGPARAM(sImplementationName));
}
sal_Bool SAL_CALL SwAccessibleParagraph::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 SwAccessibleParagraph::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;
}
Sequence<OUString> getAttributeNames()
{
static Sequence<OUString>* pNames = NULL;
if( pNames == NULL )
{
Sequence<OUString>* pSeq = new Sequence<OUString>( 15 );
OUString* pStrings = pSeq->getArray();
// sorted list of strings
sal_Int32 i = 0;
#define CHAR_BACK_COLOR_POS 0
#define STR(x) pStrings[i++] = OUString(RTL_CONSTASCII_USTRINGPARAM(x))
STR("CharBackColor");
STR("CharColor");
STR("CharEscapement");
STR("CharHeight");
STR("CharPosture");
STR("CharStrikeout");
STR("CharUnderline");
STR("CharWeight");
STR("ParaAdjust");
STR("ParaBottomMargin");
STR("ParaFirstLineIndent");
STR("ParaLeftMargin");
STR("ParaLineSpacing");
STR("ParaRightMargin");
STR("ParaTabStops");
#undef STR
DBG_ASSERT( i == pSeq->getLength(), "Please adjust length" );
if( i != pSeq->getLength() )
pSeq->realloc( i );
pNames = pSeq;
}
return *pNames;
}
//
//===== XInterface =======================================================
//
Any SwAccessibleParagraph::queryInterface( const Type& rType )
throw (RuntimeException)
{
Any aRet;
if ( rType == ::getCppuType((Reference<XAccessibleText> *)0) )
{
Reference<XAccessibleText> aAccText = (XAccessibleText *) *this; // resolve ambiguity
aRet <<= aAccText;
}
else if ( rType == ::getCppuType((Reference<XAccessibleEditableText> *)0) )
{
Reference<XAccessibleEditableText> aAccEditText = this;
aRet <<= aAccEditText;
}
else if ( rType == ::getCppuType((Reference<XAccessibleSelection> *)0) )
{
Reference<XAccessibleSelection> aAccSel = this;
aRet <<= aAccSel;
}
else if ( rType == ::getCppuType((Reference<XAccessibleHypertext> *)0) )
{
Reference<XAccessibleHypertext> aAccHyp = this;
aRet <<= aAccHyp;
}
else
{
aRet = SwAccessibleContext::queryInterface(rType);
}
return aRet;
}
//====== XTypeProvider ====================================================
Sequence< Type > SAL_CALL SwAccessibleParagraph::getTypes() throw(RuntimeException)
{
Sequence< Type > aTypes( SwAccessibleContext::getTypes() );
sal_Int32 nIndex = aTypes.getLength();
aTypes.realloc( nIndex + 3 );
Type* pTypes = aTypes.getArray();
pTypes[nIndex++] = ::getCppuType( static_cast< Reference< XAccessibleEditableText > * >( 0 ) );
pTypes[nIndex++] = ::getCppuType( static_cast< Reference< XAccessibleSelection > * >( 0 ) );
pTypes[nIndex] = ::getCppuType( static_cast< Reference< XAccessibleHypertext > * >( 0 ) );
return aTypes;
}
Sequence< sal_Int8 > SAL_CALL SwAccessibleParagraph::getImplementationId()
throw(RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
static Sequence< sal_Int8 > aId( 16 );
static sal_Bool bInit = sal_False;
if(!bInit)
{
rtl_createUuid( (sal_uInt8 *)(aId.getArray() ), 0, sal_True );
bInit = sal_True;
}
return aId;
}
//
//===== XAccesibleText ===================================================
//
sal_Int32 SwAccessibleParagraph::getCaretPosition()
throw (RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
sal_Int32 nRet = GetCaretPos();
{
vos::OGuard aGuard( aMutex );
ASSERT( nRet == nOldCaretPos, "caret pos out of sync" );
nOldCaretPos = nRet;
}
if( -1 != nRet )
{
::vos::ORef < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
return nRet;
}
sal_Bool SAL_CALL SwAccessibleParagraph::setCaretPosition( sal_Int32 nIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
// parameter checking
sal_Int32 nLength = GetString().getLength();
if ( ! IsValidPosition( nIndex, nLength ) )
{
throw IndexOutOfBoundsException();
}
sal_Bool bRet = sal_False;
// get cursor shell
SwCrsrShell* pCrsrShell = GetCrsrShell();
if( pCrsrShell != NULL )
{
// create pam for selection
SwTxtNode* pNode = const_cast<SwTxtNode*>( GetTxtNode() );
SwIndex aIndex( pNode, GetPortionData().GetModelPosition(nIndex));
SwPosition aStartPos( *pNode, aIndex );
SwPaM aPaM( aStartPos );
// set PaM at cursor shell
bRet = Select( aPaM );
}
return bRet;
}
sal_Unicode SwAccessibleParagraph::getCharacter( sal_Int32 nIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
OUString sText( GetString() );
// return character (if valid)
if( IsValidChar(nIndex, sText.getLength() ) )
{
return sText.getStr()[nIndex];
}
else
throw IndexOutOfBoundsException();
}
Sequence<PropertyValue> SwAccessibleParagraph::getCharacterAttributes(
sal_Int32 nIndex, const ::com::sun::star::uno::Sequence< ::rtl::OUString >& aRequestedAttributes )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
const OUString& rText = GetString();
if( ! IsValidChar( nIndex, rText.getLength() ) )
throw IndexOutOfBoundsException();
// create a (dummy) text portion for the sole purpose of calling
// getPropertyValues on it
Reference<XMultiPropertySet> xPortion = CreateUnoPortion( nIndex, nIndex );
// get values
Sequence<OUString> aNames = getAttributeNames();
sal_Int32 nLength = aNames.getLength();
Sequence<Any> aAnys( nLength );
aAnys = xPortion->getPropertyValues( aNames );
// copy names + anys into return sequence
Sequence<PropertyValue> aValues( aNames.getLength() );
const OUString* pNames = aNames.getConstArray();
const Any* pAnys = aAnys.getConstArray();
PropertyValue* pValues = aValues.getArray();
for( sal_Int32 i = 0; i < nLength; i++ )
{
PropertyValue& rValue = pValues[i];
rValue.Name = pNames[i];
rValue.Value = pAnys[i];
rValue.Handle = -1; // handle not supported
rValue.State = PropertyState_DIRECT_VALUE; // states not supported
}
// adjust background color if we're in a gray portion
DBG_ASSERT( pValues[CHAR_BACK_COLOR_POS].Name.
equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("CharBackColor")),
"Please adjust CHAR_BACK_COLOR_POS constant." );
if( GetPortionData().IsInGrayPortion( nIndex ) )
pValues[CHAR_BACK_COLOR_POS].Value <<= SwViewOption::GetFieldShadingsColor().GetColor();
return aValues;
}
com::sun::star::awt::Rectangle SwAccessibleParagraph::getCharacterBounds(
sal_Int32 nIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
/* #i12332# The position after the string needs special treatment.
IsValidChar -> IsValidPosition
*/
if( ! (IsValidPosition( nIndex, GetString().getLength() ) ) )
throw IndexOutOfBoundsException();
/* #i12332# */
sal_Bool bBehindText = sal_False;
if ( nIndex == GetString().getLength() )
bBehindText = sal_True;
// get model position & prepare GetCharRect() arguments
SwCrsrMoveState aMoveState;
aMoveState.bRealHeight = TRUE;
aMoveState.bRealWidth = TRUE;
SwSpecialPos aSpecialPos;
SwTxtNode* pNode = const_cast<SwTxtNode*>( GetTxtNode() );
USHORT nPos = 0;
/* #i12332# FillSpecialPos does not accept nIndex ==
GetString().getLength(). In that case nPos is set to the
length of the string in the core. This way GetCharRect
returns the rectangle for a cursor at the end of the
paragraph. */
if (bBehindText)
{
nPos = pNode->GetTxt().Len();
}
else
nPos = GetPortionData().FillSpecialPos
(nIndex, aSpecialPos, aMoveState.pSpecialPos );
// call GetCharRect
SwRect aCoreRect;
SwIndex aIndex( pNode, nPos );
SwPosition aPosition( *pNode, aIndex );
GetFrm()->GetCharRect( aCoreRect, aPosition, &aMoveState );
// translate core coordinates into accessibility coordinates
Window *pWin = GetWindow();
CHECK_FOR_WINDOW( XAccessibleComponent, pWin );
Rectangle aScreenRect( GetMap()->CoreToPixel( aCoreRect.SVRect() ));
SwRect aFrmLogBounds( GetBounds() ); // twip rel to doc root
Point aFrmPixPos( GetMap()->CoreToPixel( aFrmLogBounds.SVRect() ).TopLeft() );
aScreenRect.Move( -aFrmPixPos.X(), -aFrmPixPos.Y() );
// convert into AWT Rectangle
return com::sun::star::awt::Rectangle(
aScreenRect.Left(), aScreenRect.Top(),
aScreenRect.GetWidth(), aScreenRect.GetHeight() );
}
sal_Int32 SwAccessibleParagraph::getCharacterCount()
throw (RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
return GetString().getLength();
}
sal_Int32 SwAccessibleParagraph::getIndexAtPoint( const com::sun::star::awt::Point& rPoint )
throw (RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
// construct SwPosition (where GetCrsrOfst() will put the result into)
SwTxtNode* pNode = const_cast<SwTxtNode*>( GetTxtNode() );
SwIndex aIndex( pNode, 0);
SwPosition aPos( *pNode, aIndex );
// construct Point (translate into layout coordinates)
Window *pWin = GetWindow();
CHECK_FOR_WINDOW( XAccessibleComponent, pWin );
Point aPoint( rPoint.X, rPoint.Y );
SwRect aLogBounds( GetBounds( GetFrm() ) ); // twip rel to doc root
Point aPixPos( GetMap()->CoreToPixel( aLogBounds.SVRect() ).TopLeft() );
aPoint.X() += aPixPos.X();
aPoint.Y() += aPixPos.Y();
MapMode aMapMode = pWin->GetMapMode();
Point aCorePoint( GetMap()->PixelToCore( aPoint ) );
if( !aLogBounds.IsInside( aCorePoint ) )
{
/* #i12332# rPoint is may also be in rectangle returned by
getCharacterBounds(getCharacterCount() */
com::sun::star::awt::Rectangle aRectEndPos =
getCharacterBounds(getCharacterCount());
if (rPoint.X - aRectEndPos.X >= 0 &&
rPoint.X - aRectEndPos.X < aRectEndPos.Width &&
rPoint.Y - aRectEndPos.Y >= 0 &&
rPoint.Y - aRectEndPos.Y < aRectEndPos.Height)
return getCharacterCount();
return -1;
}
// ask core for position
DBG_ASSERT( GetFrm() != NULL, "The text frame has vanished!" );
DBG_ASSERT( GetFrm()->IsTxtFrm(), "The text frame has mutated!" );
const SwTxtFrm* pFrm = static_cast<const SwTxtFrm*>( GetFrm() );
SwCrsrMoveState aMoveState;
aMoveState.bPosMatchesBounds = TRUE;
sal_Bool bSuccess = pFrm->GetCrsrOfst( &aPos, aCorePoint, &aMoveState );
return bSuccess ?
GetPortionData().GetAccessiblePosition( aPos.nContent.GetIndex() )
: -1L;
}
OUString SwAccessibleParagraph::getSelectedText()
throw (RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
sal_Int32 nStart, nEnd;
sal_Bool bSelected = GetSelection( nStart, nEnd );
return bSelected ? GetString().copy( nStart, nEnd - nStart ) : OUString();
}
sal_Int32 SwAccessibleParagraph::getSelectionStart()
throw (RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
sal_Int32 nStart, nEnd;
GetSelection( nStart, nEnd );
return nStart;
}
sal_Int32 SwAccessibleParagraph::getSelectionEnd()
throw (RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
sal_Int32 nStart, nEnd;
GetSelection( nStart, nEnd );
return nEnd;
}
sal_Bool SwAccessibleParagraph::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
// parameter checking
sal_Int32 nLength = GetString().getLength();
if ( ! IsValidRange( nStartIndex, nEndIndex, nLength ) )
{
throw IndexOutOfBoundsException();
}
sal_Bool bRet = sal_False;
// get cursor shell
SwCrsrShell* pCrsrShell = GetCrsrShell();
if( pCrsrShell != NULL )
{
// create pam for selection
SwTxtNode* pNode = const_cast<SwTxtNode*>( GetTxtNode() );
SwIndex aIndex( pNode, GetPortionData().GetModelPosition(nStartIndex));
SwPosition aStartPos( *pNode, aIndex );
SwPaM aPaM( aStartPos );
aPaM.SetMark();
aPaM.GetPoint()->nContent =
GetPortionData().GetModelPosition(nEndIndex);
// set PaM at cursor shell
bRet = Select( aPaM );
}
return bRet;
}
OUString SwAccessibleParagraph::getText()
throw (RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
return GetString();
}
OUString SwAccessibleParagraph::getTextRange(
sal_Int32 nStartIndex, sal_Int32 nEndIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
OUString sText( GetString() );
if ( IsValidRange( nStartIndex, nEndIndex, sText.getLength() ) )
{
OrderRange( nStartIndex, nEndIndex );
return sText.copy(nStartIndex, nEndIndex-nStartIndex );
}
else
throw IndexOutOfBoundsException();
}
::com::sun::star::accessibility::TextSegment SwAccessibleParagraph::getTextAtIndex( sal_Int32 nIndex, sal_Int16 nTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
::com::sun::star::accessibility::TextSegment aResult;
aResult.SegmentStart = -1;
aResult.SegmentEnd = -1;
const OUString rText = GetString();
// implement the silly specification that first position after
// text must return an empty string, rather than throwing an
// IndexOutOfBoundsException, except for LINE, where the last
// line is returned
if( nIndex == rText.getLength() && AccessibleTextType::LINE != nTextType )
return aResult;
// with error checking
Boundary aBound;
sal_Bool bWord = GetTextBoundary( aBound, rText, nIndex, nTextType );
DBG_ASSERT( aBound.startPos >= 0, "illegal boundary" );
DBG_ASSERT( aBound.startPos <= aBound.endPos, "illegal boundary" );
// return word (if present)
if ( bWord )
{
aResult.SegmentText = rText.copy( aBound.startPos, aBound.endPos - aBound.startPos );
aResult.SegmentStart = aBound.startPos;
aResult.SegmentEnd = aBound.endPos;
}
return aResult;
}
::com::sun::star::accessibility::TextSegment SwAccessibleParagraph::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 nTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
const OUString rText = GetString();
::com::sun::star::accessibility::TextSegment aResult;
aResult.SegmentStart = -1;
aResult.SegmentEnd = -1;
// get starting pos
Boundary aBound;
if (nIndex == rText.getLength())
aBound.startPos = aBound.endPos = nIndex;
else
{
sal_Bool bTmp = GetTextBoundary( aBound, rText, nIndex, nTextType );
if ( ! bTmp )
aBound.startPos = aBound.endPos = nIndex;
}
// now skip to previous word
sal_Bool bWord = sal_False;
while( !bWord )
{
nIndex = min( nIndex, aBound.startPos ) - 1;
if( nIndex >= 0 )
bWord = GetTextBoundary( aBound, rText, nIndex, nTextType );
else
break; // exit if beginning of string is reached
}
if ( bWord )
{
aResult.SegmentText = rText.copy( aBound.startPos, aBound.endPos - aBound.startPos );
aResult.SegmentStart = aBound.startPos;
aResult.SegmentEnd = aBound.endPos;
};
return aResult;
}
::com::sun::star::accessibility::TextSegment SwAccessibleParagraph::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 nTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
::com::sun::star::accessibility::TextSegment aResult;
aResult.SegmentStart = -1;
aResult.SegmentEnd = -1;
const OUString rText = GetString();
// implement the silly specification that first position after
// text must return an empty string, rather than throwing an
// IndexOutOfBoundsException
if( nIndex == rText.getLength() )
return aResult;
// get first word, then skip to next word
Boundary aBound;
GetTextBoundary( aBound, rText, nIndex, nTextType );
sal_Bool bWord = sal_False;
while( !bWord )
{
nIndex = max( sal_Int32(nIndex+1), aBound.endPos );
if( nIndex < rText.getLength() )
bWord = GetTextBoundary( aBound, rText, nIndex, nTextType );
else
break; // exit if end of string is reached
}
if ( bWord )
{
aResult.SegmentText = rText.copy( aBound.startPos, aBound.endPos - aBound.startPos );
aResult.SegmentStart = aBound.startPos;
aResult.SegmentEnd = aBound.endPos;
}
return aResult;
}
sal_Bool SwAccessibleParagraph::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
CHECK_FOR_DEFUNC_THIS( XAccessibleText, *this );
vos::OGuard aGuard(Application::GetSolarMutex());
// select and copy (through dispatch mechanism)
setSelection( nStartIndex, nEndIndex );
ExecuteAtViewShell( SID_COPY );
return sal_True;
}
//
//===== XAccesibleEditableText ==========================================
//
sal_Bool SwAccessibleParagraph::cutText( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
CHECK_FOR_DEFUNC( XAccessibleEditableText );
vos::OGuard aGuard(Application::GetSolarMutex());
if( !IsEditableState() )
return sal_False;
// select and cut (through dispatch mechanism)
setSelection( nStartIndex, nEndIndex );
ExecuteAtViewShell( SID_CUT );
return sal_True;
}
sal_Bool SwAccessibleParagraph::pasteText( sal_Int32 nIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
CHECK_FOR_DEFUNC( XAccessibleEditableText );
vos::OGuard aGuard(Application::GetSolarMutex());
if( !IsEditableState() )
return sal_False;
// select and paste (through dispatch mechanism)
setSelection( nIndex, nIndex );
ExecuteAtViewShell( SID_PASTE );
return sal_True;
}
sal_Bool SwAccessibleParagraph::deleteText( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
return replaceText( nStartIndex, nEndIndex, OUString() );
}
sal_Bool SwAccessibleParagraph::insertText( const OUString& sText, sal_Int32 nIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
return replaceText( nIndex, nIndex, sText );
}
sal_Bool SwAccessibleParagraph::replaceText(
sal_Int32 nStartIndex, sal_Int32 nEndIndex,
const OUString& sReplacement )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC( XAccessibleEditableText );
const OUString& rText = GetString();
if( IsValidRange( nStartIndex, nEndIndex, rText.getLength() ) )
{
if( !IsEditableState() )
return sal_False;
SwTxtNode* pNode = const_cast<SwTxtNode*>( GetTxtNode() );
// translate positions
USHORT nStart, nEnd;
sal_Bool bSuccess = GetPortionData().GetEditableRange(
nStartIndex, nEndIndex, nStart, nEnd );
// edit only if the range is editable
if( bSuccess )
{
// create SwPosition for nStartIndex
SwIndex aIndex( pNode, nStart );
SwPosition aStartPos( *pNode, aIndex );
// create SwPosition for nEndIndex
SwPosition aEndPos( aStartPos );
aEndPos.nContent = nEnd;
// now create XTextRange as helper and set string
SwXTextRange::CreateTextRangeFromPosition(
pNode->GetDoc(), aStartPos, &aEndPos)->setString(sReplacement);
// delete portion data
ClearPortionData();
}
return bSuccess;
}
else
throw IndexOutOfBoundsException();
}
struct IndexCompare
{
const PropertyValue* pValues;
IndexCompare( const PropertyValue* pVals ) : pValues(pVals) {}
bool operator() ( const sal_Int32& a, const sal_Int32& b ) const
{
return (pValues[a].Name < pValues[b].Name) ? true : false;
}
};
sal_Bool SwAccessibleParagraph::setAttributes(
sal_Int32 nStartIndex,
sal_Int32 nEndIndex,
const Sequence<PropertyValue>& rAttributeSet )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC( XAccessibleEditableText );
const OUString& rText = GetString();
if( ! IsValidRange( nStartIndex, nEndIndex, rText.getLength() ) )
throw IndexOutOfBoundsException();
if( !IsEditableState() )
return sal_False;
// create a (dummy) text portion for the sole purpose of calling
// setPropertyValue on it
Reference<XMultiPropertySet> xPortion = CreateUnoPortion( nStartIndex,
nEndIndex );
// build sorted index array
sal_Int32 nLength = rAttributeSet.getLength();
const PropertyValue* pPairs = rAttributeSet.getConstArray();
sal_Int32* pIndices = new sal_Int32[nLength];
sal_Int32 i;
for( i = 0; i < nLength; i++ )
pIndices[i] = i;
sort( &pIndices[0], &pIndices[nLength], IndexCompare(pPairs) );
// create sorted sequences accoring to index array
Sequence<OUString> aNames( nLength );
OUString* pNames = aNames.getArray();
Sequence<Any> aValues( nLength );
Any* pValues = aValues.getArray();
for( i = 0; i < nLength; i++ )
{
const PropertyValue& rVal = pPairs[pIndices[i]];
pNames[i] = rVal.Name;
pValues[i] = rVal.Value;
}
delete[] pIndices;
// now set the values
sal_Bool bRet = sal_True;
try
{
xPortion->setPropertyValues( aNames, aValues );
}
catch( UnknownPropertyException e )
{
// error handling through return code!
bRet = sal_False;
}
return bRet;
}
sal_Bool SwAccessibleParagraph::setText( const OUString& sText )
throw (RuntimeException)
{
return replaceText(0, GetString().getLength(), sText);
}
//===== XAccessibleSelection ============================================
void SwAccessibleParagraph::selectAccessibleChild(
sal_Int32 nChildIndex )
throw ( IndexOutOfBoundsException,
RuntimeException )
{
CHECK_FOR_DEFUNC( XAccessibleSelection );
aSelectionHelper.selectAccessibleChild(nChildIndex);
}
sal_Bool SwAccessibleParagraph::isAccessibleChildSelected(
sal_Int32 nChildIndex )
throw ( IndexOutOfBoundsException,
RuntimeException )
{
CHECK_FOR_DEFUNC( XAccessibleSelection );
return aSelectionHelper.isAccessibleChildSelected(nChildIndex);
}
void SwAccessibleParagraph::clearAccessibleSelection( )
throw ( RuntimeException )
{
CHECK_FOR_DEFUNC( XAccessibleSelection );
aSelectionHelper.clearAccessibleSelection();
}
void SwAccessibleParagraph::selectAllAccessibleChildren( )
throw ( RuntimeException )
{
CHECK_FOR_DEFUNC( XAccessibleSelection );
aSelectionHelper.selectAllAccessibleChildren();
}
sal_Int32 SwAccessibleParagraph::getSelectedAccessibleChildCount( )
throw ( RuntimeException )
{
CHECK_FOR_DEFUNC( XAccessibleSelection );
return aSelectionHelper.getSelectedAccessibleChildCount();
}
Reference<XAccessible> SwAccessibleParagraph::getSelectedAccessibleChild(
sal_Int32 nSelectedChildIndex )
throw ( IndexOutOfBoundsException,
RuntimeException)
{
CHECK_FOR_DEFUNC( XAccessibleSelection );
return aSelectionHelper.getSelectedAccessibleChild(nSelectedChildIndex);
}
// --> OD 2004-11-16 #111714# - index has to be treated as global child index.
void SwAccessibleParagraph::deselectAccessibleChild(
sal_Int32 nChildIndex )
throw ( IndexOutOfBoundsException,
RuntimeException )
{
CHECK_FOR_DEFUNC( XAccessibleSelection );
aSelectionHelper.deselectAccessibleChild( nChildIndex );
}
//===== XAccessibleHypertext ============================================
class SwHyperlinkIter_Impl
{
const SwpHints *pHints;
xub_StrLen nStt;
xub_StrLen nEnd;
sal_uInt16 nPos;
public:
SwHyperlinkIter_Impl( const SwTxtFrm *pTxtFrm );
const SwTxtAttr *next();
sal_uInt16 getCurrHintPos() const { return nPos-1; }
xub_StrLen startIdx() const { return nStt; }
xub_StrLen endIdx() const { return nEnd; }
};
SwHyperlinkIter_Impl::SwHyperlinkIter_Impl( const SwTxtFrm *pTxtFrm ) :
pHints( pTxtFrm->GetTxtNode()->GetpSwpHints() ),
nStt( pTxtFrm->GetOfst() ),
nPos( 0 )
{
const SwTxtFrm *pFollFrm = pTxtFrm->GetFollow();
nEnd = pFollFrm ? pFollFrm->GetOfst() : pTxtFrm->GetTxtNode()->Len();
}
const SwTxtAttr *SwHyperlinkIter_Impl::next()
{
const SwTxtAttr *pAttr = 0;
if( pHints )
{
while( !pAttr && nPos < pHints->Count() )
{
const SwTxtAttr *pHt = (*pHints)[nPos];
if( RES_TXTATR_INETFMT == pHt->Which() )
{
xub_StrLen nHtStt = *pHt->GetStart();
xub_StrLen nHtEnd = *pHt->GetAnyEnd();
if( nHtEnd > nHtStt &&
( (nHtStt >= nStt && nHtStt < nEnd) ||
(nHtEnd > nStt && nHtEnd <= nEnd) ) )
{
pAttr = pHt;
}
}
++nPos;
}
}
return pAttr;
};
sal_Int32 SAL_CALL SwAccessibleParagraph::getHyperLinkCount()
throw (RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC( XAccessibleHypertext );
sal_Int32 nCount = 0;
if( !IsEditableState() )
{
const SwTxtFrm *pTxtFrm = static_cast<const SwTxtFrm*>( GetFrm() );
SwHyperlinkIter_Impl aIter( pTxtFrm );
while( aIter.next() )
nCount++;
}
return nCount;
}
Reference< XAccessibleHyperlink > SAL_CALL
SwAccessibleParagraph::getHyperLink( sal_Int32 nLinkIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC( XAccessibleHypertext );
Reference< XAccessibleHyperlink > xRet;
if( !IsEditableState() )
{
const SwTxtFrm *pTxtFrm = static_cast<const SwTxtFrm*>( GetFrm() );
SwHyperlinkIter_Impl aHIter( pTxtFrm );
while( nLinkIndex-- )
aHIter.next();
const SwTxtAttr *pHt = aHIter.next();
if( pHt )
{
if( !pHyperTextData )
pHyperTextData = new SwAccessibleHyperTextData;
SwAccessibleHyperTextData::iterator aIter =
pHyperTextData ->find( pHt );
if( aIter != pHyperTextData->end() )
{
xRet = (*aIter).second;
}
if( !xRet.is() )
{
sal_Int32 nHStt= GetPortionData().GetAccessiblePosition(
max( aHIter.startIdx(), *pHt->GetStart() ) );
sal_Int32 nHEnd= GetPortionData().GetAccessiblePosition(
min( aHIter.endIdx(), *pHt->GetAnyEnd() ) );
xRet = new SwAccessibleHyperlink( aHIter.getCurrHintPos(),
this, nHStt, nHEnd );
if( aIter != pHyperTextData->end() )
{
(*aIter).second = xRet;
}
else
{
SwAccessibleHyperTextData::value_type aEntry( pHt, xRet );
pHyperTextData->insert( aEntry );
}
}
}
}
if( !xRet.is() )
throw IndexOutOfBoundsException();
return xRet;
}
sal_Int32 SAL_CALL SwAccessibleParagraph::getHyperLinkIndex( sal_Int32 nCharIndex )
throw (IndexOutOfBoundsException, RuntimeException)
{
vos::OGuard aGuard(Application::GetSolarMutex());
CHECK_FOR_DEFUNC( XAccessibleHypertext );
// parameter checking
sal_Int32 nLength = GetString().getLength();
if ( ! IsValidPosition( nCharIndex, nLength ) )
{
throw IndexOutOfBoundsException();
}
sal_Int32 nRet = -1;
if( !IsEditableState() )
{
const SwTxtFrm *pTxtFrm = static_cast<const SwTxtFrm*>( GetFrm() );
SwHyperlinkIter_Impl aHIter( pTxtFrm );
xub_StrLen nIdx = GetPortionData().GetModelPosition( nCharIndex );
sal_Int32 nPos = 0;
const SwTxtAttr *pHt = aHIter.next();
while( pHt && !(nIdx >= *pHt->GetStart() && nIdx < *pHt->GetAnyEnd()) )
{
pHt = aHIter.next();
nPos++;
}
if( pHt )
nRet = nPos;
}
return nRet;
}
Reference in New Issue View Git Blame Copy Permalink