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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_forms.hxx"
26 
27 #ifndef FORMS_SOURCE_RICHTEXT_RICHTEXTMODEL_CXX
28 #include "richtextmodel.hxx"
29 #endif
30 #include "richtextengine.hxx"
31 #include "richtextunowrapper.hxx"
32 
33 /** === begin UNO includes === **/
34 #include <com/sun/star/awt/LineEndFormat.hpp>
35 #include <com/sun/star/text/WritingMode2.hpp>
36 #include <com/sun/star/style/VerticalAlignment.hpp>
37 /** === end UNO includes === **/
38 
39 #include <cppuhelper/typeprovider.hxx>
40 #include <comphelper/guarding.hxx>
41 #include <toolkit/awt/vclxdevice.hxx>
42 #include <toolkit/helper/vclunohelper.hxx>
43 #include <editeng/editstat.hxx>
44 #include <vcl/outdev.hxx>
45 #include <vcl/svapp.hxx>
46 
47 //--------------------------------------------------------------------------
createRegistryInfo_ORichTextModel()48 extern "C" void SAL_CALL createRegistryInfo_ORichTextModel()
49 {
50     static ::frm::OMultiInstanceAutoRegistration< ::frm::ORichTextModel >   aRegisterModel;
51 }
52 
53 //........................................................................
54 namespace frm
55 {
56 //........................................................................
57 
58     using namespace ::com::sun::star::uno;
59     using namespace ::com::sun::star::awt;
60     using namespace ::com::sun::star::lang;
61     using namespace ::com::sun::star::io;
62     using namespace ::com::sun::star::beans;
63     using namespace ::com::sun::star::form;
64     using namespace ::com::sun::star::util;
65     using namespace ::com::sun::star::style;
66 
67     namespace WritingMode2 = ::com::sun::star::text::WritingMode2;
68 
69     //====================================================================
70     //= ORichTextModel
71     //====================================================================
DBG_NAME(ORichTextModel)72     DBG_NAME( ORichTextModel )
73     //--------------------------------------------------------------------
74     ORichTextModel::ORichTextModel( const Reference< XMultiServiceFactory >& _rxFactory )
75         :OControlModel       ( _rxFactory, ::rtl::OUString() )
76         ,FontControlModel    ( true                          )
77         ,m_pEngine           ( RichTextEngine::Create()      )
78         ,m_bSettingEngineText( false                         )
79         ,m_aModifyListeners  ( m_aMutex                      )
80     {
81         DBG_CTOR( ORichTextModel, NULL );
82         m_nClassId = FormComponentType::TEXTFIELD;
83 
84         getPropertyDefaultByHandle( PROPERTY_ID_DEFAULTCONTROL          ) >>= m_sDefaultControl;
85         getPropertyDefaultByHandle( PROPERTY_ID_BORDER                  ) >>= m_nBorder;
86         getPropertyDefaultByHandle( PROPERTY_ID_ENABLED                 ) >>= m_bEnabled;
87         getPropertyDefaultByHandle( PROPERTY_ID_ENABLEVISIBLE           ) >>= m_bEnableVisible;
88         getPropertyDefaultByHandle( PROPERTY_ID_HARDLINEBREAKS          ) >>= m_bHardLineBreaks;
89         getPropertyDefaultByHandle( PROPERTY_ID_HSCROLL                 ) >>= m_bHScroll;
90         getPropertyDefaultByHandle( PROPERTY_ID_VSCROLL                 ) >>= m_bVScroll;
91         getPropertyDefaultByHandle( PROPERTY_ID_READONLY                ) >>= m_bReadonly;
92         getPropertyDefaultByHandle( PROPERTY_ID_PRINTABLE               ) >>= m_bPrintable;
93         getPropertyDefaultByHandle( PROPERTY_ID_ALIGN                   ) >>= m_aAlign;
94         getPropertyDefaultByHandle( PROPERTY_ID_ECHO_CHAR               ) >>= m_nEchoChar;
95         getPropertyDefaultByHandle( PROPERTY_ID_MAXTEXTLEN              ) >>= m_nMaxTextLength;
96         getPropertyDefaultByHandle( PROPERTY_ID_MULTILINE               ) >>= m_bMultiLine;
97         getPropertyDefaultByHandle( PROPERTY_ID_RICH_TEXT               ) >>= m_bReallyActAsRichText;
98         getPropertyDefaultByHandle( PROPERTY_ID_HIDEINACTIVESELECTION   ) >>= m_bHideInactiveSelection;
99         getPropertyDefaultByHandle( PROPERTY_ID_LINEEND_FORMAT          ) >>= m_nLineEndFormat;
100         getPropertyDefaultByHandle( PROPERTY_ID_WRITING_MODE            ) >>= m_nTextWritingMode;
101         getPropertyDefaultByHandle( PROPERTY_ID_CONTEXT_WRITING_MODE    ) >>= m_nContextWritingMode;
102 
103         implInit();
104     }
105 
106     //------------------------------------------------------------------
ORichTextModel(const ORichTextModel * _pOriginal,const Reference<XMultiServiceFactory> & _rxFactory)107     ORichTextModel::ORichTextModel( const ORichTextModel* _pOriginal, const Reference< XMultiServiceFactory >& _rxFactory )
108         :OControlModel       ( _pOriginal, _rxFactory, sal_False )
109         ,FontControlModel    ( _pOriginal                        )
110         ,m_pEngine           ( NULL                              )
111         ,m_bSettingEngineText( false                             )
112         ,m_aModifyListeners  ( m_aMutex                          )
113     {
114         DBG_CTOR( ORichTextModel, NULL );
115 
116         m_aTabStop               = _pOriginal->m_aTabStop;
117         m_aBackgroundColor       = _pOriginal->m_aBackgroundColor;
118         m_aBorderColor           = _pOriginal->m_aBorderColor;
119         m_aVerticalAlignment     = _pOriginal->m_aVerticalAlignment;
120         m_sDefaultControl        = _pOriginal->m_sDefaultControl;
121         m_sHelpText              = _pOriginal->m_sHelpText;
122         m_sHelpURL               = _pOriginal->m_sHelpURL;
123         m_nBorder                = _pOriginal->m_nBorder;
124         m_bEnabled               = _pOriginal->m_bEnabled;
125         m_bEnableVisible         = _pOriginal->m_bEnableVisible;
126         m_bHardLineBreaks        = _pOriginal->m_bHardLineBreaks;
127         m_bHScroll               = _pOriginal->m_bHScroll;
128         m_bVScroll               = _pOriginal->m_bVScroll;
129         m_bReadonly              = _pOriginal->m_bReadonly;
130         m_bPrintable             = _pOriginal->m_bPrintable;
131         m_bReallyActAsRichText   = _pOriginal->m_bReallyActAsRichText;
132         m_bHideInactiveSelection = _pOriginal->m_bHideInactiveSelection;
133         m_nLineEndFormat         = _pOriginal->m_nLineEndFormat;
134         m_nTextWritingMode       = _pOriginal->m_nTextWritingMode;
135         m_nContextWritingMode    = _pOriginal->m_nContextWritingMode;
136 
137         m_aAlign               = _pOriginal->m_aAlign;
138         m_nEchoChar            = _pOriginal->m_nEchoChar;
139         m_nMaxTextLength       = _pOriginal->m_nMaxTextLength;
140         m_bMultiLine           = _pOriginal->m_bMultiLine;
141 
142         m_pEngine.reset(_pOriginal->m_pEngine->Clone());
143         m_sLastKnownEngineText = m_pEngine->GetText();
144 
145         implInit();
146     }
147 
148     //------------------------------------------------------------------
implInit()149     void ORichTextModel::implInit()
150     {
151         OSL_ENSURE( m_pEngine.get(), "ORichTextModel::implInit: where's the engine?" );
152         if ( m_pEngine.get() )
153         {
154             m_pEngine->SetModifyHdl( LINK( this, ORichTextModel, OnEngineContentModified ) );
155 
156             sal_uLong nEngineControlWord = m_pEngine->GetControlWord();
157             nEngineControlWord = nEngineControlWord & ~EE_CNTRL_AUTOPAGESIZE;
158             m_pEngine->SetControlWord( nEngineControlWord );
159 
160             VCLXDevice* pUnoRefDevice = new VCLXDevice;
161             pUnoRefDevice->SetOutputDevice( m_pEngine->GetRefDevice() );
162             m_xReferenceDevice = pUnoRefDevice;
163         }
164 
165         implDoAggregation();
166         implRegisterProperties();
167     }
168 
169     //------------------------------------------------------------------
implDoAggregation()170     void ORichTextModel::implDoAggregation()
171     {
172         increment( m_refCount );
173 
174 		{
175             m_xAggregate = new ORichTextUnoWrapper( *m_pEngine, this );
176 			setAggregation( m_xAggregate );
177     		doSetDelegator();
178 		}
179 
180 		decrement( m_refCount );
181     }
182 
183     //------------------------------------------------------------------
implRegisterProperties()184     void ORichTextModel::implRegisterProperties()
185     {
186         REGISTER_PROP_2( DEFAULTCONTROL,        m_sDefaultControl,          BOUND, MAYBEDEFAULT );
187         REGISTER_PROP_2( HELPTEXT,              m_sHelpText,                BOUND, MAYBEDEFAULT );
188         REGISTER_PROP_2( HELPURL,               m_sHelpURL,                 BOUND, MAYBEDEFAULT );
189         REGISTER_PROP_2( ENABLED,               m_bEnabled,                 BOUND, MAYBEDEFAULT );
190         REGISTER_PROP_2( ENABLEVISIBLE,               m_bEnableVisible,                 BOUND, MAYBEDEFAULT );
191         REGISTER_PROP_2( BORDER,                m_nBorder,                  BOUND, MAYBEDEFAULT );
192         REGISTER_PROP_2( HARDLINEBREAKS,        m_bHardLineBreaks,          BOUND, MAYBEDEFAULT );
193         REGISTER_PROP_2( HSCROLL,               m_bHScroll,                 BOUND, MAYBEDEFAULT );
194         REGISTER_PROP_2( VSCROLL,               m_bVScroll,                 BOUND, MAYBEDEFAULT );
195         REGISTER_PROP_2( READONLY,              m_bReadonly,                BOUND, MAYBEDEFAULT );
196         REGISTER_PROP_2( PRINTABLE,             m_bPrintable,               BOUND, MAYBEDEFAULT );
197         REGISTER_PROP_2( REFERENCE_DEVICE,      m_xReferenceDevice,         BOUND, TRANSIENT    );
198         REGISTER_PROP_2( RICH_TEXT,             m_bReallyActAsRichText,     BOUND, MAYBEDEFAULT );
199         REGISTER_PROP_2( HIDEINACTIVESELECTION, m_bHideInactiveSelection,   BOUND, MAYBEDEFAULT );
200 
201         REGISTER_VOID_PROP_2( TABSTOP,          m_aTabStop,             sal_Bool,           BOUND, MAYBEDEFAULT );
202         REGISTER_VOID_PROP_2( BACKGROUNDCOLOR,  m_aBackgroundColor,     sal_Int32,          BOUND, MAYBEDEFAULT );
203         REGISTER_VOID_PROP_2( BORDERCOLOR,      m_aBorderColor,         sal_Int32,          BOUND, MAYBEDEFAULT );
204         REGISTER_VOID_PROP_2( VERTICAL_ALIGN,   m_aVerticalAlignment,   VerticalAlignment,  BOUND, MAYBEDEFAULT );
205 
206         // properties which exist only for compatibility with the css.swt.UnoControlEditModel,
207         // since we replace the default implementation for this service
208         REGISTER_PROP_2( ECHO_CHAR,             m_nEchoChar,            BOUND, MAYBEDEFAULT );
209         REGISTER_PROP_2( MAXTEXTLEN,            m_nMaxTextLength,       BOUND, MAYBEDEFAULT );
210         REGISTER_PROP_2( MULTILINE,             m_bMultiLine,           BOUND, MAYBEDEFAULT );
211         REGISTER_PROP_2( TEXT,                  m_sLastKnownEngineText, BOUND, MAYBEDEFAULT );
212         REGISTER_PROP_2( LINEEND_FORMAT,        m_nLineEndFormat,       BOUND, MAYBEDEFAULT );
213         REGISTER_PROP_2( WRITING_MODE,          m_nTextWritingMode,     BOUND, MAYBEDEFAULT );
214         REGISTER_PROP_3( CONTEXT_WRITING_MODE,  m_nContextWritingMode,  BOUND, MAYBEDEFAULT, TRANSIENT );
215 
216         REGISTER_VOID_PROP_2( ALIGN,        m_aAlign,           sal_Int16, BOUND, MAYBEDEFAULT );
217     }
218 
219     //--------------------------------------------------------------------
~ORichTextModel()220     ORichTextModel::~ORichTextModel( )
221     {
222         if ( !OComponentHelper::rBHelper.bDisposed )
223         {
224             acquire();
225             dispose();
226         }
227         if ( m_pEngine.get() )
228         {
229             SfxItemPool* pPool = m_pEngine->getPool();
230             m_pEngine.reset();
231             SfxItemPool::Free(pPool);
232         }
233 
234 
235         DBG_DTOR( ORichTextModel, NULL );
236     }
237 
238     //------------------------------------------------------------------
queryAggregation(const Type & _rType)239     Any SAL_CALL ORichTextModel::queryAggregation( const Type& _rType ) throw ( RuntimeException )
240     {
241 	    Any aReturn = ORichTextModel_BASE::queryInterface( _rType );
242 
243 	    if ( !aReturn.hasValue() )
244 		    aReturn = OControlModel::queryAggregation( _rType );
245 
246         return aReturn;
247     }
248 
249     //------------------------------------------------------------------
IMPLEMENT_FORWARD_XTYPEPROVIDER2(ORichTextModel,OControlModel,ORichTextModel_BASE)250     IMPLEMENT_FORWARD_XTYPEPROVIDER2( ORichTextModel, OControlModel, ORichTextModel_BASE )
251 
252     //--------------------------------------------------------------------
253     IMPLEMENT_SERVICE_REGISTRATION_8( ORichTextModel, OControlModel,
254         FRM_SUN_COMPONENT_RICHTEXTCONTROL,
255         ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.text.TextRange" ) ),
256         ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.CharacterProperties" ) ),
257         ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.ParagraphProperties" ) ),
258         ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.CharacterPropertiesAsian" ) ),
259         ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.CharacterPropertiesComplex" ) ),
260         ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.ParagraphPropertiesAsian" ) ),
261         ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.style.ParagraphPropertiesComplex" ) )
262     )
263 
264     //------------------------------------------------------------------------------
265     IMPLEMENT_DEFAULT_CLONING( ORichTextModel )
266 
267     //------------------------------------------------------------------------------
268     void SAL_CALL ORichTextModel::disposing()
269     {
270         m_aModifyListeners.disposeAndClear( EventObject( *this ) );
271         OControlModel::disposing();
272     }
273 
274     //------------------------------------------------------------------------------
275     namespace
276     {
lcl_removeProperty(Sequence<Property> & _rSeq,const::rtl::OUString & _rPropertyName)277         void lcl_removeProperty( Sequence< Property >& _rSeq, const ::rtl::OUString& _rPropertyName )
278         {
279             Property* pLoop = _rSeq.getArray();
280             Property* pEnd = _rSeq.getArray() + _rSeq.getLength();
281             while ( pLoop != pEnd )
282             {
283                 if ( pLoop->Name == _rPropertyName )
284                 {
285                     ::std::copy( pLoop + 1, pEnd, pLoop );
286                     _rSeq.realloc( _rSeq.getLength() - 1 );
287                     break;
288                 }
289                 ++pLoop;
290             }
291         }
292     }
293     //------------------------------------------------------------------------------
describeFixedProperties(Sequence<Property> & _rProps) const294     void ORichTextModel::describeFixedProperties( Sequence< Property >& _rProps ) const
295     {
296         BEGIN_DESCRIBE_PROPERTIES( 1, OControlModel )
297             DECL_PROP2( TABINDEX,       sal_Int16,  BOUND,    MAYBEDEFAULT );
298         END_DESCRIBE_PROPERTIES();
299 
300         // properties which the OPropertyContainerHelper is responsible for
301         Sequence< Property > aContainedProperties;
302         describeProperties( aContainedProperties );
303 
304         // properties which the FontControlModel is responsible for
305         Sequence< Property > aFontProperties;
306         describeFontRelatedProperties( aFontProperties );
307 
308         _rProps = concatSequences( aContainedProperties, aFontProperties, _rProps );
309     }
310 
311     //------------------------------------------------------------------------------
describeAggregateProperties(Sequence<Property> & _rAggregateProps) const312     void ORichTextModel::describeAggregateProperties( Sequence< Property >& _rAggregateProps ) const
313     {
314         OControlModel::describeAggregateProperties( _rAggregateProps );
315 
316         // our aggregate (the SvxUnoText) declares a FontDescriptor property, as does
317         // our FormControlFont base class. We remove it from the base class' sequence
318         // here, and later on care for both instances being in sync
319         lcl_removeProperty( _rAggregateProps, PROPERTY_FONT );
320 
321         // similar, the WritingMode property is declared in our aggregate, too, but we override
322         // it, since the aggregate does no proper PropertyState handling.
323         lcl_removeProperty( _rAggregateProps, PROPERTY_WRITING_MODE );
324     }
325 
326     //--------------------------------------------------------------------
getFastPropertyValue(Any & _rValue,sal_Int32 _nHandle) const327     void SAL_CALL ORichTextModel::getFastPropertyValue( Any& _rValue, sal_Int32 _nHandle ) const
328     {
329         if ( isRegisteredProperty( _nHandle ) )
330         {
331             OPropertyContainerHelper::getFastPropertyValue( _rValue, _nHandle );
332         }
333         else if ( isFontRelatedProperty( _nHandle ) )
334         {
335             FontControlModel::getFastPropertyValue( _rValue, _nHandle );
336         }
337         else
338         {
339     	    OControlModel::getFastPropertyValue( _rValue, _nHandle );
340         }
341     }
342 
343     //--------------------------------------------------------------------
convertFastPropertyValue(Any & _rConvertedValue,Any & _rOldValue,sal_Int32 _nHandle,const Any & _rValue)344     sal_Bool SAL_CALL ORichTextModel::convertFastPropertyValue( Any& _rConvertedValue, Any& _rOldValue, sal_Int32 _nHandle, const Any& _rValue ) throw( IllegalArgumentException )
345     {
346         sal_Bool bModified = sal_False;
347 
348         if ( isRegisteredProperty( _nHandle ) )
349         {
350             bModified = OPropertyContainerHelper::convertFastPropertyValue( _rConvertedValue, _rOldValue, _nHandle, _rValue );
351         }
352         else if ( isFontRelatedProperty( _nHandle ) )
353         {
354             bModified = FontControlModel::convertFastPropertyValue( _rConvertedValue, _rOldValue, _nHandle, _rValue );
355         }
356         else
357         {
358 		    bModified = OControlModel::convertFastPropertyValue( _rConvertedValue, _rOldValue, _nHandle, _rValue );
359         }
360 
361         return bModified;
362     }
363 
364     //--------------------------------------------------------------------
setFastPropertyValue_NoBroadcast(sal_Int32 _nHandle,const Any & _rValue)365     void SAL_CALL ORichTextModel::setFastPropertyValue_NoBroadcast( sal_Int32 _nHandle, const Any& _rValue ) throw ( Exception)
366     {
367         if ( isRegisteredProperty( _nHandle ) )
368         {
369             OPropertyContainerHelper::setFastPropertyValue( _nHandle, _rValue );
370 
371             switch ( _nHandle )
372             {
373             case PROPERTY_ID_REFERENCE_DEVICE:
374             {
375             #if OSL_DEBUG_LEVEL > 0
376                 MapMode aOldMapMode = m_pEngine->GetRefDevice()->GetMapMode();
377             #endif
378 
379                 OutputDevice* pRefDevice = VCLUnoHelper::GetOutputDevice( m_xReferenceDevice );
380                 OSL_ENSURE( pRefDevice, "ORichTextModel::setFastPropertyValue_NoBroadcast: empty reference device?" );
381                 m_pEngine->SetRefDevice( pRefDevice );
382 
383             #if OSL_DEBUG_LEVEL > 0
384                 MapMode aNewMapMode = m_pEngine->GetRefDevice()->GetMapMode();
385                 OSL_ENSURE( aNewMapMode.GetMapUnit() == aOldMapMode.GetMapUnit(),
386                     "ORichTextModel::setFastPropertyValue_NoBroadcast: You should not tamper with the MapUnit of the ref device!" );
387                 // if this assertion here is triggered, then we would need to adjust all
388                 // items in all text portions in all paragraphs in the attributes of the EditEngine,
389                 // as long as they are MapUnit-dependent. This holds at least for the FontSize.
390             #endif
391             }
392             break;
393 
394             case PROPERTY_ID_TEXT:
395             {
396                 MutexRelease aReleaseMutex( m_aMutex );
397                 impl_smlock_setEngineText( m_sLastKnownEngineText );
398             }
399             break;
400             }   // switch ( _nHandle )
401         }
402         else if ( isFontRelatedProperty( _nHandle ) )
403         {
404             FontDescriptor aOldFont( getFont() );
405 
406             FontControlModel::setFastPropertyValue_NoBroadcast( _nHandle, _rValue );
407 
408             if ( isFontAggregateProperty( _nHandle ) )
409 	            firePropertyChange( PROPERTY_ID_FONT, makeAny( getFont() ), makeAny( aOldFont ) );
410         }
411         else
412         {
413             switch ( _nHandle )
414             {
415             case PROPERTY_ID_WRITING_MODE:
416             {
417                 // forward to our aggregate, so the EditEngine knows about it
418                 if ( m_xAggregateSet.is() )
419                     m_xAggregateSet->setPropertyValue(
420                         ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "WritingMode" ) ), _rValue );
421             }
422             break;
423 
424             default:
425     		    OControlModel::setFastPropertyValue_NoBroadcast( _nHandle, _rValue );
426                 break;
427             }
428         }
429     }
430 
431     //--------------------------------------------------------------------
getPropertyDefaultByHandle(sal_Int32 _nHandle) const432     Any ORichTextModel::getPropertyDefaultByHandle( sal_Int32 _nHandle ) const
433     {
434         Any aDefault;
435 
436 	    switch ( _nHandle )
437 	    {
438         case PROPERTY_ID_WRITING_MODE:
439         case PROPERTY_ID_CONTEXT_WRITING_MODE:
440             aDefault <<= WritingMode2::CONTEXT;
441             break;
442 
443         case PROPERTY_ID_LINEEND_FORMAT:
444             aDefault <<= (sal_Int16)LineEndFormat::LINE_FEED;
445             break;
446 
447         case PROPERTY_ID_ECHO_CHAR:
448         case PROPERTY_ID_ALIGN:
449         case PROPERTY_ID_MAXTEXTLEN:
450             aDefault <<= (sal_Int16)0;
451             break;
452 
453         case PROPERTY_ID_TABSTOP:
454         case PROPERTY_ID_BACKGROUNDCOLOR:
455         case PROPERTY_ID_BORDERCOLOR:
456         case PROPERTY_ID_VERTICAL_ALIGN:
457             /* void */
458             break;
459 
460         case PROPERTY_ID_ENABLED:
461         case PROPERTY_ID_ENABLEVISIBLE:
462         case PROPERTY_ID_PRINTABLE:
463         case PROPERTY_ID_HIDEINACTIVESELECTION:
464             aDefault <<= (sal_Bool)sal_True;
465             break;
466 
467         case PROPERTY_ID_HARDLINEBREAKS:
468         case PROPERTY_ID_HSCROLL:
469         case PROPERTY_ID_VSCROLL:
470         case PROPERTY_ID_READONLY:
471         case PROPERTY_ID_MULTILINE:
472         case PROPERTY_ID_RICH_TEXT:
473             aDefault <<= (sal_Bool)sal_False;
474             break;
475 
476         case PROPERTY_ID_DEFAULTCONTROL:
477             aDefault <<= (::rtl::OUString)FRM_SUN_CONTROL_RICHTEXTCONTROL;
478             break;
479 
480         case PROPERTY_ID_HELPTEXT:
481         case PROPERTY_ID_HELPURL:
482         case PROPERTY_ID_TEXT:
483             aDefault <<= ::rtl::OUString();
484             break;
485 
486         case PROPERTY_ID_BORDER:
487             aDefault <<= (sal_Int16)1;
488             break;
489 
490 		default:
491             if ( isFontRelatedProperty( _nHandle ) )
492                 aDefault = FontControlModel::getPropertyDefaultByHandle( _nHandle );
493             else
494                 aDefault = OControlModel::getPropertyDefaultByHandle( _nHandle );
495         }
496 
497         return aDefault;
498     }
499 
500     //--------------------------------------------------------------------
impl_smlock_setEngineText(const::rtl::OUString & _rText)501     void ORichTextModel::impl_smlock_setEngineText( const ::rtl::OUString& _rText )
502     {
503         if ( m_pEngine.get() )
504         {
505             ::vos::OGuard aSolarGuard( Application::GetSolarMutex() );
506             m_bSettingEngineText = true;
507             m_pEngine->SetText( _rText );
508             m_bSettingEngineText = false;
509         }
510     }
511 
512     //--------------------------------------------------------------------
getServiceName()513     ::rtl::OUString SAL_CALL ORichTextModel::getServiceName() throw ( RuntimeException)
514     {
515         return FRM_SUN_COMPONENT_RICHTEXTCONTROL;
516     }
517 
518     //--------------------------------------------------------------------
write(const Reference<XObjectOutputStream> & _rxOutStream)519     void SAL_CALL ORichTextModel::write(const Reference< XObjectOutputStream >& _rxOutStream) throw ( IOException, RuntimeException)
520     {
521         OControlModel::write( _rxOutStream );
522         // TODO: place your code here
523     }
524 
525     //--------------------------------------------------------------------
read(const Reference<XObjectInputStream> & _rxInStream)526     void SAL_CALL ORichTextModel::read(const Reference< XObjectInputStream >& _rxInStream) throw ( IOException, RuntimeException)
527     {
528         OControlModel::read( _rxInStream );
529         // TODO: place your code here
530     }
531 
532     //--------------------------------------------------------------------
getEditEngine(const Reference<XControlModel> & _rxModel)533     RichTextEngine* ORichTextModel::getEditEngine( const Reference< XControlModel >& _rxModel )
534     {
535         RichTextEngine* pEngine = NULL;
536 
537         Reference< XUnoTunnel > xTunnel( _rxModel, UNO_QUERY );
538         OSL_ENSURE( xTunnel.is(), "ORichTextModel::getEditEngine: invalid model!" );
539         if ( xTunnel.is() )
540         {
541             try
542             {
543                 pEngine = reinterpret_cast< RichTextEngine* >( xTunnel->getSomething( getEditEngineTunnelId() ) );
544             }
545             catch( const Exception& )
546             {
547             	OSL_ENSURE( sal_False, "ORichTextModel::getEditEngine: caught an exception!" );
548             }
549         }
550         return pEngine;
551     }
552 
553     //--------------------------------------------------------------------
getEditEngineTunnelId()554     Sequence< sal_Int8 > ORichTextModel::getEditEngineTunnelId()
555     {
556         static ::cppu::OImplementationId * pId = 0;
557 	    if (! pId)
558 	    {
559             ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
560 		    if (! pId)
561 		    {
562 			    static ::cppu::OImplementationId aId;
563 			    pId = &aId;
564 		    }
565 	    }
566 	    return pId->getImplementationId();
567     }
568 
569     //--------------------------------------------------------------------
570     IMPL_LINK( ORichTextModel, OnEngineContentModified, void*, /*_pNotInterestedIn*/ )
571     {
572         if ( !m_bSettingEngineText )
573         {
574             m_aModifyListeners.notifyEach( &XModifyListener::modified, EventObject( *this ) );
575 
576             potentialTextChange();
577                 // is this a good idea? It may become expensive in case of larger texts,
578                 // and this method here is called for every single changed character ...
579                 // On the other hand, the API *requires* us to notify changes in the "Text"
580                 // property immediately ...
581         }
582 
583         return 0L;
584     }
585 
586     //--------------------------------------------------------------------
getSomething(const Sequence<sal_Int8> & _rId)587     sal_Int64 SAL_CALL ORichTextModel::getSomething( const Sequence< sal_Int8 >& _rId ) throw (RuntimeException)
588     {
589         Sequence< sal_Int8 > aEditEngineAccessId( getEditEngineTunnelId() );
590 	    if  (   ( _rId.getLength() == aEditEngineAccessId.getLength() )
591             &&  ( 0 == rtl_compareMemory( aEditEngineAccessId.getConstArray(),  _rId.getConstArray(), _rId.getLength() ) )
592             )
593 		    return reinterpret_cast< sal_Int64 >( m_pEngine.get() );
594 
595         Reference< XUnoTunnel > xAggTunnel;
596         if ( query_aggregation( m_xAggregate, xAggTunnel ) )
597             return xAggTunnel->getSomething( _rId );
598 
599         return 0;
600     }
601 
602     //--------------------------------------------------------------------
addModifyListener(const Reference<XModifyListener> & _rxListener)603     void SAL_CALL ORichTextModel::addModifyListener( const Reference< XModifyListener >& _rxListener ) throw (RuntimeException)
604     {
605         m_aModifyListeners.addInterface( _rxListener );
606     }
607 
608     //--------------------------------------------------------------------
removeModifyListener(const Reference<XModifyListener> & _rxListener)609     void SAL_CALL ORichTextModel::removeModifyListener( const Reference< XModifyListener >& _rxListener ) throw (RuntimeException)
610     {
611         m_aModifyListeners.removeInterface( _rxListener );
612     }
613 
614     //--------------------------------------------------------------------
potentialTextChange()615     void ORichTextModel::potentialTextChange( )
616     {
617         ::rtl::OUString sCurrentEngineText;
618         if ( m_pEngine.get() )
619             sCurrentEngineText = m_pEngine->GetText();
620 
621         if ( sCurrentEngineText != m_sLastKnownEngineText )
622         {
623 		    sal_Int32 nHandle = PROPERTY_ID_TEXT;
624             Any aOldValue; aOldValue <<= m_sLastKnownEngineText;
625             Any aNewValue; aNewValue <<= sCurrentEngineText;
626 		    fire( &nHandle, &aNewValue, &aOldValue, 1, sal_False );
627 
628             m_sLastKnownEngineText = sCurrentEngineText;
629         }
630     }
631 
632 //........................................................................
633 } // namespace frm
634 //........................................................................
635