office-gobmx/forms/source/richtext/richtextmodel.cxx
Rüdiger Timm e8e4d12d3c INTEGRATION: CWS ooo19126 (1.5.78); FILE MERGED
2005/09/05 13:50:48 rt 1.5.78.1: #i54170# Change license header: remove SISSL
2005-09-08 22:08:17 +00:00

634 lines
26 KiB
C++

/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: richtextmodel.cxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: rt $ $Date: 2005-09-08 23:08:17 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 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
*
************************************************************************/
#ifndef FORMS_SOURCE_RICHTEXT_RICHTEXTMODEL_CXX
#include "richtextmodel.hxx"
#endif
#ifndef FORMS_SOURCE_RICHTEXT_RICHTEXTENGINE_HXX
#include "richtextengine.hxx"
#endif
#ifndef FORMS_SOURCE_RICHTEXT_RICHTEXTUNOWRAPPER_HXX
#include "richtextunowrapper.hxx"
#endif
/** === begin UNO includes === **/
#ifndef _COM_SUN_STAR_AWT_LINEENDFORMAT_HPP_
#include <com/sun/star/awt/LineEndFormat.hpp>
#endif
/** === end UNO includes === **/
#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
#include <cppuhelper/typeprovider.hxx>
#endif
#ifndef _TOOLKIT_AWT_VCLXDEVICE_HXX_
#include <toolkit/awt/vclxdevice.hxx>
#endif
#ifndef _TOOLKIT_HELPER_VCLUNOHELPER_HXX_
#include <toolkit/helper/vclunohelper.hxx>
#endif
#ifndef _EDITSTAT_HXX
#include <svx/editstat.hxx>
#endif
#ifndef _SV_OUTDEV_HXX
#include <vcl/outdev.hxx>
#endif
//--------------------------------------------------------------------------
extern "C" void SAL_CALL createRegistryInfo_ORichTextModel()
{
static ::frm::OMultiInstanceAutoRegistration< ::frm::ORichTextModel > aRegisterModel;
}
//........................................................................
namespace frm
{
//........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::form;
using namespace ::com::sun::star::util;
//====================================================================
//= OModifyListenerContainer
//====================================================================
//--------------------------------------------------------------------
OModifyListenerContainer::OModifyListenerContainer( ::osl::Mutex& _rMutex )
:OModifyListenerContainer_Base( _rMutex )
{
}
//--------------------------------------------------------------------
bool OModifyListenerContainer::implNotify( const Reference< XModifyListener >& _rxListener, const EventObject& _rEvent ) SAL_THROW( ( Exception ) )
{
_rxListener->modified( _rEvent );
return true;
}
//====================================================================
//= ORichTextModel
//====================================================================
DBG_NAME( ORichTextModel )
//--------------------------------------------------------------------
ORichTextModel::ORichTextModel( const Reference< XMultiServiceFactory >& _rxFactory )
:OControlModel ( _rxFactory, ::rtl::OUString() )
,FontControlModel ( true )
,m_pEngine ( RichTextEngine::Create() )
,m_aModifyListeners ( m_aMutex )
,m_bSettingEngineText( false )
{
DBG_CTOR( ORichTextModel, NULL );
m_nClassId = FormComponentType::TEXTFIELD;
getPropertyDefaultByHandle( PROPERTY_ID_DEFAULTCONTROL ) >>= m_sDefaultControl;
getPropertyDefaultByHandle( PROPERTY_ID_BORDER ) >>= m_nBorder;
getPropertyDefaultByHandle( PROPERTY_ID_ENABLED ) >>= m_bEnabled;
getPropertyDefaultByHandle( PROPERTY_ID_HARDLINEBREAKS ) >>= m_bHardLineBreaks;
getPropertyDefaultByHandle( PROPERTY_ID_HSCROLL ) >>= m_bHScroll;
getPropertyDefaultByHandle( PROPERTY_ID_VSCROLL ) >>= m_bVScroll;
getPropertyDefaultByHandle( PROPERTY_ID_READONLY ) >>= m_bReadonly;
getPropertyDefaultByHandle( PROPERTY_ID_PRINTABLE ) >>= m_bPrintable;
getPropertyDefaultByHandle( PROPERTY_ID_ALIGN ) >>= m_aAlign;
getPropertyDefaultByHandle( PROPERTY_ID_ECHO_CHAR ) >>= m_nEchoChar;
getPropertyDefaultByHandle( PROPERTY_ID_MAXTEXTLEN ) >>= m_nMaxTextLength;
getPropertyDefaultByHandle( PROPERTY_ID_MULTILINE ) >>= m_bMultiLine;
getPropertyDefaultByHandle( PROPERTY_ID_RICH_TEXT ) >>= m_bReallyActAsRichText;
getPropertyDefaultByHandle( PROPERTY_ID_HIDEINACTIVESELECTION ) >>= m_bHideInactiveSelection;
getPropertyDefaultByHandle( PROPERTY_ID_LINEEND_FORMAT ) >>= m_nLineEndFormat;
implInit();
}
//------------------------------------------------------------------
ORichTextModel::ORichTextModel( const ORichTextModel* _pOriginal, const Reference< XMultiServiceFactory >& _rxFactory )
:OControlModel ( _pOriginal, _rxFactory, sal_False )
,FontControlModel ( _pOriginal )
,m_pEngine ( NULL )
,m_aModifyListeners ( m_aMutex )
,m_bSettingEngineText( false )
{
DBG_CTOR( ORichTextModel, NULL );
m_aTabStop = _pOriginal->m_aTabStop;
m_aBackgroundColor = _pOriginal->m_aBackgroundColor;
m_aBorderColor = _pOriginal->m_aBorderColor;
m_sDefaultControl = _pOriginal->m_sDefaultControl;
m_sHelpText = _pOriginal->m_sHelpText;
m_sHelpURL = _pOriginal->m_sHelpURL;
m_nBorder = _pOriginal->m_nBorder;
m_bEnabled = _pOriginal->m_bEnabled;
m_bHardLineBreaks = _pOriginal->m_bHardLineBreaks;
m_bHScroll = _pOriginal->m_bHScroll;
m_bVScroll = _pOriginal->m_bVScroll;
m_bReadonly = _pOriginal->m_bReadonly;
m_bPrintable = _pOriginal->m_bPrintable;
m_bReallyActAsRichText = _pOriginal->m_bReallyActAsRichText;
m_bHideInactiveSelection = _pOriginal->m_bHideInactiveSelection;
m_nLineEndFormat = _pOriginal->m_nLineEndFormat;
m_aAlign = _pOriginal->m_aAlign;
m_nEchoChar = _pOriginal->m_nEchoChar;
m_nMaxTextLength = _pOriginal->m_nMaxTextLength;
m_bMultiLine = _pOriginal->m_bMultiLine;
m_pEngine = _pOriginal->m_pEngine->Clone();
m_sLastKnownEngineText = m_pEngine->GetText();
implInit();
}
//------------------------------------------------------------------
void ORichTextModel::implInit()
{
OSL_ENSURE( m_pEngine, "ORichTextModel::implInit: where's the engine?" );
if ( m_pEngine )
{
m_pEngine->SetModifyHdl( LINK( this, ORichTextModel, OnEngineContentModified ) );
ULONG nEngineControlWord = m_pEngine->GetControlWord();
nEngineControlWord = nEngineControlWord & ~EE_CNTRL_AUTOPAGESIZE;
m_pEngine->SetControlWord( nEngineControlWord );
VCLXDevice* pUnoRefDevice = new VCLXDevice;
pUnoRefDevice->SetOutputDevice( m_pEngine->GetRefDevice() );
m_xReferenceDevice = pUnoRefDevice;
}
implDoAggregation();
implRegisterProperties();
}
//------------------------------------------------------------------
void ORichTextModel::implDoAggregation()
{
increment( m_refCount );
{
m_xAggregate = new ORichTextUnoWrapper( *m_pEngine, this );
setAggregation( m_xAggregate );
doSetDelegator();
}
decrement( m_refCount );
}
//------------------------------------------------------------------
void ORichTextModel::implRegisterProperties()
{
REGISTER_PROP_2( DEFAULTCONTROL, m_sDefaultControl, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( HELPTEXT, m_sHelpText, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( HELPURL, m_sHelpURL, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( ENABLED, m_bEnabled, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( BORDER, m_nBorder, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( HARDLINEBREAKS, m_bHardLineBreaks, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( HSCROLL, m_bHScroll, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( VSCROLL, m_bVScroll, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( READONLY, m_bReadonly, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( PRINTABLE, m_bPrintable, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( REFERENCE_DEVICE, m_xReferenceDevice, BOUND, TRANSIENT );
REGISTER_PROP_2( RICH_TEXT, m_bReallyActAsRichText, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( HIDEINACTIVESELECTION, m_bHideInactiveSelection, BOUND, MAYBEDEFAULT );
REGISTER_VOID_PROP_2( TABSTOP, m_aTabStop, sal_Bool, BOUND, MAYBEDEFAULT );
REGISTER_VOID_PROP_2( BACKGROUNDCOLOR, m_aBackgroundColor, sal_Int32, BOUND, MAYBEDEFAULT );
REGISTER_VOID_PROP_2( BORDERCOLOR, m_aBorderColor, sal_Int32, BOUND, MAYBEDEFAULT );
// properties which exist only for compatibility with the css.swt.UnoControlEditModel,
// since we intend to replace the default implementation for this service
REGISTER_PROP_2( ECHO_CHAR, m_nEchoChar, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( MAXTEXTLEN, m_nMaxTextLength, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( MULTILINE, m_bMultiLine, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( TEXT, m_sLastKnownEngineText, BOUND, MAYBEDEFAULT );
REGISTER_PROP_2( LINEEND_FORMAT, m_nLineEndFormat, BOUND, MAYBEDEFAULT );
REGISTER_VOID_PROP_2( ALIGN, m_aAlign, sal_Int16, BOUND, MAYBEDEFAULT );
}
//--------------------------------------------------------------------
ORichTextModel::~ORichTextModel( )
{
if ( !OComponentHelper::rBHelper.bDisposed )
{
acquire();
dispose();
}
DBG_DTOR( ORichTextModel, NULL );
}
//------------------------------------------------------------------
Any SAL_CALL ORichTextModel::queryAggregation( const Type& _rType ) throw ( RuntimeException )
{
Any aReturn = ORichTextModel_BASE::queryInterface( _rType );
if ( !aReturn.hasValue() )
aReturn = OControlModel::queryAggregation( _rType );
return aReturn;
}
//------------------------------------------------------------------
IMPLEMENT_FORWARD_XTYPEPROVIDER2( ORichTextModel, OControlModel, ORichTextModel_BASE )
//--------------------------------------------------------------------
IMPLEMENT_SERVICE_REGISTRATION_7( ORichTextModel, OControlModel,
FRM_SUN_COMPONENT_RICHTEXTCONTROL,
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.text.TextRange" ) ),
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.CharacterProperties" ) ),
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.ParagraphProperties" ) ),
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.CharacterPropertiesAsian" ) ),
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.CharacterPropertiesComplex" ) ),
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.ParagraphPropertiesAsian" ) )
)
//------------------------------------------------------------------------------
IMPLEMENT_DEFAULT_CLONING( ORichTextModel )
//------------------------------------------------------------------------------
void SAL_CALL ORichTextModel::disposing()
{
m_aModifyListeners.disposing( EventObject( *this ) );
OControlModel::disposing();
}
//--------------------------------------------------------------------
Reference< XPropertySetInfo > SAL_CALL ORichTextModel::getPropertySetInfo() throw ( RuntimeException )
{
return createPropertySetInfo( getInfoHelper() );
}
//--------------------------------------------------------------------
::cppu::IPropertyArrayHelper& SAL_CALL ORichTextModel::getInfoHelper()
{
return *const_cast< ORichTextModel* >( this )->getArrayHelper();
}
//------------------------------------------------------------------------------
namespace
{
void lcl_removeProperty( Sequence< Property >& _rSeq, const ::rtl::OUString& _rPropertyName )
{
Property* pLoop = _rSeq.getArray();
Property* pEnd = _rSeq.getArray() + _rSeq.getLength();
while ( pLoop != pEnd )
{
if ( pLoop->Name == _rPropertyName )
{
::std::copy( pLoop + 1, pEnd, pLoop );
_rSeq.realloc( _rSeq.getLength() - 1 );
break;
}
++pLoop;
}
}
}
//------------------------------------------------------------------------------
void ORichTextModel::fillProperties(
Sequence< Property >& _rProps,
Sequence< Property >& _rAggregateProps ) const
{
BEGIN_DESCRIBE_PROPERTIES( 1, OControlModel )
DECL_PROP2( TABINDEX, sal_Int16, BOUND, MAYBEDEFAULT );
END_DESCRIBE_PROPERTIES();
// properties which the OPropertyContainerHelper is responsible for
Sequence< Property > aContainedProperties;
describeProperties( aContainedProperties );
// properties which the FontControlModel is responsible for
Sequence< Property > aFontProperties;
describeFontRelatedProperties( aFontProperties );
// our aggregate (the SvxUnoText) declares a FontDescriptor property, as does
// our FormControlFont base class. We remove it from the base class' sequence
// here, and later on care for both instances being in sync
lcl_removeProperty( _rAggregateProps, PROPERTY_FONT );
_rProps = concatSequences(
aContainedProperties,
aFontProperties,
_rProps
);
}
//--------------------------------------------------------------------
void SAL_CALL ORichTextModel::getFastPropertyValue( Any& _rValue, sal_Int32 _nHandle ) const
{
if ( isRegisteredProperty( _nHandle ) )
{
OPropertyContainerHelper::getFastPropertyValue( _rValue, _nHandle );
}
else if ( isFontRelatedProperty( _nHandle ) )
{
FontControlModel::getFastPropertyValue( _rValue, _nHandle );
}
else
{
OControlModel::getFastPropertyValue( _rValue, _nHandle );
}
}
//--------------------------------------------------------------------
sal_Bool SAL_CALL ORichTextModel::convertFastPropertyValue( Any& _rConvertedValue, Any& _rOldValue, sal_Int32 _nHandle, const Any& _rValue ) throw( IllegalArgumentException )
{
sal_Bool bModified = sal_False;
if ( isRegisteredProperty( _nHandle ) )
{
bModified = OPropertyContainerHelper::convertFastPropertyValue( _rConvertedValue, _rOldValue, _nHandle, _rValue );
}
else if ( isFontRelatedProperty( _nHandle ) )
{
bModified = FontControlModel::convertFastPropertyValue( _rConvertedValue, _rOldValue, _nHandle, _rValue );
}
else
{
bModified = OControlModel::convertFastPropertyValue( _rConvertedValue, _rOldValue, _nHandle, _rValue );
}
return bModified;
}
//--------------------------------------------------------------------
void SAL_CALL ORichTextModel::setFastPropertyValue_NoBroadcast( sal_Int32 _nHandle, const Any& _rValue ) throw ( Exception)
{
if ( isRegisteredProperty( _nHandle ) )
{
OPropertyContainerHelper::setFastPropertyValue( _nHandle, _rValue );
if ( PROPERTY_ID_REFERENCE_DEVICE == _nHandle )
{
#if OSL_DEBUG_LEVEL > 0
MapMode aOldMapMode = m_pEngine->GetRefDevice()->GetMapMode();
#endif
OutputDevice* pRefDevice = VCLUnoHelper::GetOutputDevice( m_xReferenceDevice );
OSL_ENSURE( pRefDevice, "ORichTextModel::setFastPropertyValue_NoBroadcast: empty reference device?" );
m_pEngine->SetRefDevice( pRefDevice );
#if OSL_DEBUG_LEVEL > 0
MapMode aNewMapMode = m_pEngine->GetRefDevice()->GetMapMode();
OSL_ENSURE( aNewMapMode.GetMapUnit() == aOldMapMode.GetMapUnit(),
"ORichTextModel::setFastPropertyValue_NoBroadcast: You should not tamper with the MapUnit of the ref device!" );
// if this assertion here is triggered, then we would need to adjust all
// items in all text portions in all paragraphs in the attributes of the EditEngine,
// as long as they are MapUnit-dependent. This holds at least for the FontSize.
#endif
}
else if ( PROPERTY_ID_TEXT == _nHandle )
{
implSetEngineText( m_sLastKnownEngineText );
}
}
else if ( isFontRelatedProperty( _nHandle ) )
{
FontDescriptor aOldFont( getFont() );
FontControlModel::setFastPropertyValue_NoBroadcast( _nHandle, _rValue );
if ( isFontAggregateProperty( _nHandle ) )
firePropertyChange( PROPERTY_ID_FONT, makeAny( getFont() ), makeAny( aOldFont ) );
}
else
{
OControlModel::setFastPropertyValue_NoBroadcast( _nHandle, _rValue );
}
}
//--------------------------------------------------------------------
Any ORichTextModel::getPropertyDefaultByHandle( sal_Int32 _nHandle ) const
{
Any aDefault;
switch ( _nHandle )
{
case PROPERTY_ID_LINEEND_FORMAT:
aDefault <<= (sal_Int16)LineEndFormat::LINE_FEED;
break;
case PROPERTY_ID_ECHO_CHAR:
case PROPERTY_ID_ALIGN:
case PROPERTY_ID_MAXTEXTLEN:
aDefault <<= (sal_Int16)0;
break;
case PROPERTY_ID_TABSTOP:
case PROPERTY_ID_BACKGROUNDCOLOR:
case PROPERTY_ID_BORDERCOLOR:
/* void */
break;
case PROPERTY_ID_ENABLED:
case PROPERTY_ID_PRINTABLE:
case PROPERTY_ID_HIDEINACTIVESELECTION:
aDefault <<= (sal_Bool)sal_True;
break;
case PROPERTY_ID_HARDLINEBREAKS:
case PROPERTY_ID_HSCROLL:
case PROPERTY_ID_VSCROLL:
case PROPERTY_ID_READONLY:
case PROPERTY_ID_MULTILINE:
case PROPERTY_ID_RICH_TEXT:
aDefault <<= (sal_Bool)sal_False;
break;
case PROPERTY_ID_DEFAULTCONTROL:
aDefault <<= (::rtl::OUString)FRM_SUN_CONTROL_RICHTEXTCONTROL;
break;
case PROPERTY_ID_HELPTEXT:
case PROPERTY_ID_HELPURL:
case PROPERTY_ID_TEXT:
aDefault <<= ::rtl::OUString();
break;
case PROPERTY_ID_BORDER:
aDefault <<= (sal_Int16)1;
break;
default:
if ( isFontRelatedProperty( _nHandle ) )
aDefault = FontControlModel::getPropertyDefaultByHandle( _nHandle );
else
aDefault = OControlModel::getPropertyDefaultByHandle( _nHandle );
}
return aDefault;
}
//--------------------------------------------------------------------
void ORichTextModel::implSetEngineText( const ::rtl::OUString& _rText )
{
if ( m_pEngine )
{
m_bSettingEngineText = true;
m_pEngine->SetText( _rText );
m_bSettingEngineText = false;
}
}
//--------------------------------------------------------------------
::rtl::OUString SAL_CALL ORichTextModel::getServiceName() throw ( RuntimeException)
{
return FRM_SUN_COMPONENT_RICHTEXTCONTROL;
}
//--------------------------------------------------------------------
void SAL_CALL ORichTextModel::write(const Reference< XObjectOutputStream >& _rxOutStream) throw ( IOException, RuntimeException)
{
OControlModel::write( _rxOutStream );
// TODO: place your code here
}
//--------------------------------------------------------------------
void SAL_CALL ORichTextModel::read(const Reference< XObjectInputStream >& _rxInStream) throw ( IOException, RuntimeException)
{
OControlModel::read( _rxInStream );
// TODO: place your code here
}
//--------------------------------------------------------------------
RichTextEngine* ORichTextModel::getEditEngine( const Reference< XControlModel >& _rxModel )
{
RichTextEngine* pEngine = NULL;
Reference< XUnoTunnel > xTunnel( _rxModel, UNO_QUERY );
OSL_ENSURE( xTunnel.is(), "ORichTextModel::getEditEngine: invalid model!" );
if ( xTunnel.is() )
{
try
{
pEngine = reinterpret_cast< RichTextEngine* >( xTunnel->getSomething( getEditEngineTunnelId() ) );
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "ORichTextModel::getEditEngine: caught an exception!" );
}
}
return pEngine;
}
//--------------------------------------------------------------------
Sequence< sal_Int8 > ORichTextModel::getEditEngineTunnelId()
{
static ::cppu::OImplementationId * pId = 0;
if (! pId)
{
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
if (! pId)
{
static ::cppu::OImplementationId aId;
pId = &aId;
}
}
return pId->getImplementationId();
}
//--------------------------------------------------------------------
IMPL_LINK( ORichTextModel, OnEngineContentModified, void*, _pNotInterestedIn )
{
if ( !m_bSettingEngineText )
{
EventObject aModifyEvent( *this );
m_aModifyListeners.notify( aModifyEvent );
potentialTextChange();
// is this a good idea? It may become expensive in case of larger texts,
// and this method here is called for every single changed character ...
// On the other hand, the API *requires* us to notify changes in the "Text"
// property immediately ...
}
return 0L;
}
//--------------------------------------------------------------------
sal_Int64 SAL_CALL ORichTextModel::getSomething( const Sequence< sal_Int8 >& _rId ) throw (RuntimeException)
{
Sequence< sal_Int8 > aEditEngineAccessId( getEditEngineTunnelId() );
if ( ( _rId.getLength() == aEditEngineAccessId.getLength() )
&& ( 0 == rtl_compareMemory( aEditEngineAccessId.getConstArray(), _rId.getConstArray(), _rId.getLength() ) )
)
return reinterpret_cast< sal_Int64 >( m_pEngine );
Reference< XUnoTunnel > xAggTunnel;
if ( query_aggregation( m_xAggregate, xAggTunnel ) )
return xAggTunnel->getSomething( _rId );
return 0;
}
//--------------------------------------------------------------------
void SAL_CALL ORichTextModel::addModifyListener( const Reference< XModifyListener >& _rxListener ) throw (RuntimeException)
{
m_aModifyListeners.addListener( _rxListener );
}
//--------------------------------------------------------------------
void SAL_CALL ORichTextModel::removeModifyListener( const Reference< XModifyListener >& _rxListener ) throw (RuntimeException)
{
m_aModifyListeners.removeListener( _rxListener );
}
//--------------------------------------------------------------------
void ORichTextModel::potentialTextChange( )
{
::rtl::OUString sCurrentEngineText;
if ( m_pEngine )
sCurrentEngineText = m_pEngine->GetText();
if ( sCurrentEngineText != m_sLastKnownEngineText )
{
sal_Int32 nHandle = PROPERTY_ID_TEXT;
Any aOldValue; aOldValue <<= m_sLastKnownEngineText;
Any aNewValue; aNewValue <<= sCurrentEngineText;
fire( &nHandle, &aNewValue, &aOldValue, 1, sal_False );
m_sLastKnownEngineText = sCurrentEngineText;
}
}
//........................................................................
} // namespace frm
//........................................................................