xref: /aoo42x/main/svx/source/form/fmtools.cxx (revision b63233d8)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svx.hxx"
26 
27 #include "fmprop.hrc"
28 #include "fmservs.hxx"
29 #include "svx/fmtools.hxx"
30 #include "svx/dbtoolsclient.hxx"
31 #include "svx/fmglob.hxx"
32 
33 /** === begin UNO includes === **/
34 #include <com/sun/star/awt/LineEndFormat.hpp>
35 #include <com/sun/star/beans/PropertyAttribute.hpp>
36 #include <com/sun/star/beans/XIntrospection.hpp>
37 #include <com/sun/star/container/XChild.hpp>
38 #include <com/sun/star/form/XForm.hpp>
39 #include <com/sun/star/form/XFormComponent.hpp>
40 #include <com/sun/star/form/XGridColumnFactory.hpp>
41 #include <com/sun/star/io/XActiveDataSink.hpp>
42 #include <com/sun/star/io/XActiveDataSource.hpp>
43 #include <com/sun/star/io/XObjectInputStream.hpp>
44 #include <com/sun/star/io/XObjectOutputStream.hpp>
45 #include <com/sun/star/io/XPersistObject.hpp>
46 #include <com/sun/star/lang/Locale.hpp>
47 #include <com/sun/star/lang/XServiceInfo.hpp>
48 #include <com/sun/star/sdb/CommandType.hpp>
49 #include <com/sun/star/sdb/ErrorCondition.hpp>
50 #include <com/sun/star/sdb/SQLContext.hpp>
51 #include <com/sun/star/sdb/XCompletedConnection.hpp>
52 #include <com/sun/star/sdb/XQueriesSupplier.hpp>
53 #include <com/sun/star/sdb/XResultSetAccess.hpp>
54 #include <com/sun/star/sdbc/DataType.hpp>
55 #include <com/sun/star/sdbc/XDataSource.hpp>
56 #include <com/sun/star/sdbcx/Privilege.hpp>
57 #include <com/sun/star/sdbcx/XTablesSupplier.hpp>
58 #include <com/sun/star/task/XInteractionHandler.hpp>
59 #include <com/sun/star/ui/dialogs/XExecutableDialog.hpp>
60 #include <com/sun/star/uno/XNamingService.hpp>
61 #include <com/sun/star/util/Language.hpp>
62 #include <com/sun/star/util/NumberFormat.hpp>
63 #include <com/sun/star/util/XCloneable.hpp>
64 #include <com/sun/star/util/XNumberFormatTypes.hpp>
65 #include <com/sun/star/util/XNumberFormats.hpp>
66 #include <com/sun/star/util/XNumberFormatsSupplier.hpp>
67 #include <com/sun/star/util/XNumberFormatter.hpp>
68 /** === end UNO includes === **/
69 
70 #include <basic/sbxvar.hxx>
71 #include <svl/eitem.hxx>
72 #include <svl/stritem.hxx>
73 #include <comphelper/container.hxx>
74 #include <comphelper/extract.hxx>
75 #include <comphelper/processfactory.hxx>
76 #include <comphelper/property.hxx>
77 #include <comphelper/sequence.hxx>
78 #include <comphelper/types.hxx>
79 #include <comphelper/uno3.hxx>
80 #include <connectivity/dbexception.hxx>
81 #include <connectivity/dbtools.hxx>
82 #include <cppuhelper/servicefactory.hxx>
83 #include <cppuhelper/typeprovider.hxx>
84 #include <rtl/logfile.hxx>
85 #include <rtl/math.hxx>
86 #include <sfx2/bindings.hxx>
87 #include <svl/eitem.hxx>
88 #include <svl/stritem.hxx>
89 #include <toolkit/helper/vclunohelper.hxx>
90 #include <tools/debug.hxx>
91 #include <tools/string.hxx>
92 #include <vcl/stdtext.hxx>
93 #include <vcl/svapp.hxx>
94 
95 #include <algorithm>
96 
97 using namespace ::com::sun::star::uno;
98 using namespace ::com::sun::star::util;
99 using namespace ::com::sun::star::lang;
100 using namespace ::com::sun::star::frame;
101 using namespace ::com::sun::star::awt;
102 using namespace ::com::sun::star::beans;
103 using namespace ::com::sun::star::container;
104 using namespace ::com::sun::star::ui::dialogs;
105 using namespace ::com::sun::star::sdbc;
106 using namespace ::com::sun::star::sdbcx;
107 using namespace ::com::sun::star::sdb;
108 using namespace ::com::sun::star::task;
109 using namespace ::com::sun::star::form;
110 using namespace ::svxform;
111 using namespace ::connectivity::simple;
112 
113 //	------------------------------------------------------------------------------
114 namespace
115 {
lcl_shouldDisplayError(const Any & _rError)116     static bool lcl_shouldDisplayError( const Any& _rError )
117     {
118         SQLException aError;
119         if ( !( _rError >>= aError ) )
120             return true;
121 
122         if ( aError.Message.indexOfAsciiL( RTL_CONSTASCII_STRINGPARAM( "[OOoBase]" ) ) != 0 )
123             // it is an exception *not* thrown by an OOo Base core component
124             return true;
125 
126         // the only exception we do not display ATM is a RowSetVetoException, which
127         // has been raised because an XRowSetApprovalListener vetoed a change
128         if ( aError.ErrorCode + ErrorCondition::ROW_SET_OPERATION_VETOED == 0 )
129             return false;
130 
131         // everything else is to be displayed
132         return true;
133     }
134 }
135 
136 //	------------------------------------------------------------------------------
displayException(const Any & _rExcept,Window * _pParent)137 void displayException(const Any& _rExcept, Window* _pParent)
138 {
139     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "svx", "Ocke.Janssen@sun.com", "fmtools::displayException" );
140     // check whether we need to display it
141     if ( !lcl_shouldDisplayError( _rExcept ) )
142         return;
143 
144 	try
145 	{
146 		// the parent window
147 		Window* pParentWindow = _pParent ? _pParent : GetpApp()->GetDefDialogParent();
148 		Reference< XWindow > xParentWindow = VCLUnoHelper::GetInterface(pParentWindow);
149 
150 		Sequence< Any > aArgs(2);
151 		aArgs[0] <<= PropertyValue(::rtl::OUString::createFromAscii("SQLException"), 0, _rExcept, PropertyState_DIRECT_VALUE);
152 		aArgs[1] <<= PropertyValue(::rtl::OUString::createFromAscii("ParentWindow"), 0, makeAny(xParentWindow), PropertyState_DIRECT_VALUE);
153 
154 		static ::rtl::OUString s_sDialogServiceName = ::rtl::OUString::createFromAscii("com.sun.star.sdb.ErrorMessageDialog");
155 		Reference< XExecutableDialog > xErrorDialog(
156 			::comphelper::getProcessServiceFactory()->createInstanceWithArguments(s_sDialogServiceName, aArgs), UNO_QUERY);
157 		if (xErrorDialog.is())
158 			xErrorDialog->execute();
159 		else
160 			ShowServiceNotAvailableError(pParentWindow, s_sDialogServiceName, sal_True);
161 	}
162 	catch(Exception&)
163 	{
164 		OSL_ENSURE(sal_False, "displayException: could not display the error message!");
165 	}
166 }
167 
168 //	------------------------------------------------------------------------------
displayException(const::com::sun::star::sdbc::SQLException & _rExcept,Window * _pParent)169 void displayException(const ::com::sun::star::sdbc::SQLException& _rExcept, Window* _pParent)
170 {
171 	displayException(makeAny(_rExcept), _pParent);
172 }
173 
174 //	------------------------------------------------------------------------------
displayException(const::com::sun::star::sdbc::SQLWarning & _rExcept,Window * _pParent)175 void displayException(const ::com::sun::star::sdbc::SQLWarning& _rExcept, Window* _pParent)
176 {
177 	displayException(makeAny(_rExcept), _pParent);
178 }
179 
180 //	------------------------------------------------------------------------------
displayException(const::com::sun::star::sdb::SQLContext & _rExcept,Window * _pParent)181 void displayException(const ::com::sun::star::sdb::SQLContext& _rExcept, Window* _pParent)
182 {
183 	displayException(makeAny(_rExcept), _pParent);
184 }
185 
186 //	------------------------------------------------------------------------------
displayException(const::com::sun::star::sdb::SQLErrorEvent & _rEvent,Window * _pParent)187 void displayException(const ::com::sun::star::sdb::SQLErrorEvent& _rEvent, Window* _pParent)
188 {
189 	displayException(_rEvent.Reason, _pParent);
190 }
191 
192 //------------------------------------------------------------------------------
getElementPos(const Reference<::com::sun::star::container::XIndexAccess> & xCont,const Reference<XInterface> & xElement)193 sal_Int32 getElementPos(const Reference< ::com::sun::star::container::XIndexAccess>& xCont, const Reference< XInterface >& xElement)
194 {
195 	sal_Int32 nIndex = -1;
196 	if (!xCont.is())
197 		return nIndex;
198 
199 
200 	Reference< XInterface > xNormalized( xElement, UNO_QUERY );
201 	DBG_ASSERT( xNormalized.is(), "getElementPos: invalid element!" );
202 	if ( xNormalized.is() )
203 	{
204 		// Feststellen an welcher Position sich das Kind befindet
205 		nIndex = xCont->getCount();
206 		while (nIndex--)
207 		{
208 			try
209 			{
210 				Reference< XInterface > xCurrent(xCont->getByIndex( nIndex ),UNO_QUERY);
211 				DBG_ASSERT( xCurrent.get() == Reference< XInterface >( xCurrent, UNO_QUERY ).get(),
212 					"getElementPos: container element not normalized!" );
213 				if ( xNormalized.get() == xCurrent.get() )
214 					break;
215 			}
216 			catch(Exception&)
217 			{
218 				DBG_ERROR( "getElementPos: caught an exception!" );
219 			}
220 
221 		}
222 	}
223 	return nIndex;
224 }
225 
226 //------------------------------------------------------------------
getLabelName(const Reference<::com::sun::star::beans::XPropertySet> & xControlModel)227 ::rtl::OUString getLabelName(const Reference< ::com::sun::star::beans::XPropertySet>& xControlModel)
228 {
229     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "svx", "Ocke.Janssen@sun.com", "fmtools::getLabelName" );
230 	if (!xControlModel.is())
231 		return ::rtl::OUString();
232 
233 	if (::comphelper::hasProperty(FM_PROP_CONTROLLABEL, xControlModel))
234 	{
235 		Reference< ::com::sun::star::beans::XPropertySet> xLabelSet;
236 		xControlModel->getPropertyValue(FM_PROP_CONTROLLABEL) >>= xLabelSet;
237 		if (xLabelSet.is() && ::comphelper::hasProperty(FM_PROP_LABEL, xLabelSet))
238 		{
239 			Any aLabel( xLabelSet->getPropertyValue(FM_PROP_LABEL) );
240 			if ((aLabel.getValueTypeClass() == TypeClass_STRING) && ::comphelper::getString(aLabel).getLength())
241 				return ::comphelper::getString(aLabel);
242 		}
243 	}
244 
245 	return ::comphelper::getString(xControlModel->getPropertyValue(FM_PROP_CONTROLSOURCE));
246 }
247 
248 //========================================================================
249 // = CursorWrapper
250 //------------------------------------------------------------------------
CursorWrapper(const Reference<::com::sun::star::sdbc::XRowSet> & _rxCursor,sal_Bool bUseCloned)251 CursorWrapper::CursorWrapper(const Reference< ::com::sun::star::sdbc::XRowSet>& _rxCursor, sal_Bool bUseCloned)
252 {
253 	ImplConstruct(Reference< ::com::sun::star::sdbc::XResultSet>(_rxCursor, UNO_QUERY), bUseCloned);
254 }
255 
256 //------------------------------------------------------------------------
CursorWrapper(const Reference<::com::sun::star::sdbc::XResultSet> & _rxCursor,sal_Bool bUseCloned)257 CursorWrapper::CursorWrapper(const Reference< ::com::sun::star::sdbc::XResultSet>& _rxCursor, sal_Bool bUseCloned)
258 {
259 	ImplConstruct(_rxCursor, bUseCloned);
260 }
261 
262 //------------------------------------------------------------------------
ImplConstruct(const Reference<::com::sun::star::sdbc::XResultSet> & _rxCursor,sal_Bool bUseCloned)263 void CursorWrapper::ImplConstruct(const Reference< ::com::sun::star::sdbc::XResultSet>& _rxCursor, sal_Bool bUseCloned)
264 {
265 	if (bUseCloned)
266 	{
267 		Reference< ::com::sun::star::sdb::XResultSetAccess> xAccess(_rxCursor, UNO_QUERY);
268 		try
269 		{
270 			m_xMoveOperations = xAccess.is() ? xAccess->createResultSet() : Reference< ::com::sun::star::sdbc::XResultSet>();
271 		}
272 		catch(Exception&)
273 		{
274 		}
275 	}
276 	else
277 		m_xMoveOperations	= _rxCursor;
278 
279 	m_xBookmarkOperations	= m_xBookmarkOperations.query( m_xMoveOperations );
280 	m_xColumnsSupplier		= m_xColumnsSupplier.query( m_xMoveOperations );
281 	m_xPropertyAccess		= m_xPropertyAccess.query( m_xMoveOperations );
282 
283 	if ( !m_xMoveOperations.is() || !m_xBookmarkOperations.is() || !m_xColumnsSupplier.is() || !m_xPropertyAccess.is() )
284 	{	// all or nothing !!
285 		m_xMoveOperations = NULL;
286 		m_xBookmarkOperations = NULL;
287 		m_xColumnsSupplier = NULL;
288 	}
289 	else
290 		m_xGeneric = m_xMoveOperations.get();
291 }
292 
293 //------------------------------------------------------------------------
operator =(const Reference<::com::sun::star::sdbc::XRowSet> & _rxCursor)294 const CursorWrapper& CursorWrapper::operator=(const Reference< ::com::sun::star::sdbc::XRowSet>& _rxCursor)
295 {
296 	m_xMoveOperations = Reference< ::com::sun::star::sdbc::XResultSet>(_rxCursor, UNO_QUERY);
297 	m_xBookmarkOperations = Reference< ::com::sun::star::sdbcx::XRowLocate>(_rxCursor, UNO_QUERY);
298 	m_xColumnsSupplier = Reference< ::com::sun::star::sdbcx::XColumnsSupplier>(_rxCursor, UNO_QUERY);
299 	if (!m_xMoveOperations.is() || !m_xBookmarkOperations.is() || !m_xColumnsSupplier.is())
300 	{	// all or nothing !!
301 		m_xMoveOperations = NULL;
302 		m_xBookmarkOperations = NULL;
303 		m_xColumnsSupplier = NULL;
304 	}
305 	return *this;
306 }
307 
308 //------------------------------------------------------------------------------
~FmXDisposeListener()309 FmXDisposeListener::~FmXDisposeListener()
310 {
311 	setAdapter(NULL);
312 }
313 
314 //------------------------------------------------------------------------------
setAdapter(FmXDisposeMultiplexer * pAdapter)315 void FmXDisposeListener::setAdapter(FmXDisposeMultiplexer* pAdapter)
316 {
317 	if (m_pAdapter)
318 	{
319 		::osl::MutexGuard aGuard(m_rMutex);
320 		m_pAdapter->release();
321 		m_pAdapter = NULL;
322 	}
323 
324 	if (pAdapter)
325 	{
326 		::osl::MutexGuard aGuard(m_rMutex);
327 		m_pAdapter = pAdapter;
328 		m_pAdapter->acquire();
329 	}
330 }
331 
332 //==============================================================================
333 DBG_NAME(FmXDisposeMultiplexer);
334 //------------------------------------------------------------------------------
FmXDisposeMultiplexer(FmXDisposeListener * _pListener,const Reference<::com::sun::star::lang::XComponent> & _rxObject,sal_Int16 _nId)335 FmXDisposeMultiplexer::FmXDisposeMultiplexer(FmXDisposeListener* _pListener, const Reference< ::com::sun::star::lang::XComponent>& _rxObject, sal_Int16 _nId)
336     :m_xObject(_rxObject)
337 	,m_pListener(_pListener)
338 	,m_nId(_nId)
339 {
340 	DBG_CTOR(FmXDisposeMultiplexer, NULL);
341 	m_pListener->setAdapter(this);
342 
343 	if (m_xObject.is())
344 		m_xObject->addEventListener(this);
345 }
346 
347 //------------------------------------------------------------------------------
~FmXDisposeMultiplexer()348 FmXDisposeMultiplexer::~FmXDisposeMultiplexer()
349 {
350 	DBG_DTOR(FmXDisposeMultiplexer, NULL);
351 }
352 
353 // ::com::sun::star::lang::XEventListener
354 //------------------------------------------------------------------
disposing(const::com::sun::star::lang::EventObject & _Source)355 void FmXDisposeMultiplexer::disposing(const ::com::sun::star::lang::EventObject& _Source) throw( RuntimeException )
356 {
357 	Reference< ::com::sun::star::lang::XEventListener> xPreventDelete(this);
358 
359 	if (m_pListener)
360 	{
361 		m_pListener->disposing(_Source, m_nId);
362 		m_pListener->setAdapter(NULL);
363 		m_pListener = NULL;
364 	}
365 	m_xObject = NULL;
366 }
367 
368 //------------------------------------------------------------------
dispose()369 void FmXDisposeMultiplexer::dispose()
370 {
371 	if (m_xObject.is())
372 	{
373 		Reference< ::com::sun::star::lang::XEventListener> xPreventDelete(this);
374 
375 		m_xObject->removeEventListener(this);
376 		m_xObject = NULL;
377 
378 		m_pListener->setAdapter(NULL);
379 		m_pListener = NULL;
380 	}
381 }
382 
383 //==============================================================================
384 //------------------------------------------------------------------------------
getControlTypeByObject(const Reference<::com::sun::star::lang::XServiceInfo> & _rxObject)385 sal_Int16 getControlTypeByObject(const Reference< ::com::sun::star::lang::XServiceInfo>& _rxObject)
386 {
387     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "svx", "Ocke.Janssen@sun.com", "fmtools::getControlTypeByObject" );
388 	// ask for the persistent service name
389 	Reference< ::com::sun::star::io::XPersistObject> xPersistence(_rxObject, UNO_QUERY);
390 	DBG_ASSERT(xPersistence.is(), "::getControlTypeByObject : argument shold be an ::com::sun::star::io::XPersistObject !");
391 	if (!xPersistence.is())
392 		return OBJ_FM_CONTROL;
393 
394 	::rtl::OUString sPersistentServiceName = xPersistence->getServiceName();
395 	if (sPersistentServiceName.equals(FM_COMPONENT_EDIT))	// 5.0-Name
396 	{
397 		// may be a simple edit field or a formatted field, dependent of the supported services
398 		if (_rxObject->supportsService(FM_SUN_COMPONENT_FORMATTEDFIELD))
399 			return OBJ_FM_FORMATTEDFIELD;
400 		return OBJ_FM_EDIT;
401 	}
402 	if (sPersistentServiceName.equals(FM_COMPONENT_TEXTFIELD))
403 		return OBJ_FM_EDIT;
404 	if (sPersistentServiceName.equals(FM_COMPONENT_COMMANDBUTTON))
405 		return OBJ_FM_BUTTON;
406 	if (sPersistentServiceName.equals(FM_COMPONENT_FIXEDTEXT))
407 		return OBJ_FM_FIXEDTEXT;
408 	if (sPersistentServiceName.equals(FM_COMPONENT_LISTBOX))
409 		return OBJ_FM_LISTBOX;
410 	if (sPersistentServiceName.equals(FM_COMPONENT_CHECKBOX))
411 		return OBJ_FM_CHECKBOX;
412 	if (sPersistentServiceName.equals(FM_COMPONENT_RADIOBUTTON))
413 		return OBJ_FM_RADIOBUTTON;
414 	if (sPersistentServiceName.equals(FM_COMPONENT_GROUPBOX))
415 		return OBJ_FM_GROUPBOX;
416 	if (sPersistentServiceName.equals(FM_COMPONENT_COMBOBOX))
417 		return OBJ_FM_COMBOBOX;
418 	if (sPersistentServiceName.equals(FM_COMPONENT_GRID))	// 5.0-Name
419 		return OBJ_FM_GRID;
420 	if (sPersistentServiceName.equals(FM_COMPONENT_GRIDCONTROL))
421 		return OBJ_FM_GRID;
422 	if (sPersistentServiceName.equals(FM_COMPONENT_IMAGEBUTTON))
423 		return OBJ_FM_IMAGEBUTTON;
424 	if (sPersistentServiceName.equals(FM_COMPONENT_FILECONTROL))
425 		return OBJ_FM_FILECONTROL;
426 	if (sPersistentServiceName.equals(FM_COMPONENT_DATEFIELD))
427 		return OBJ_FM_DATEFIELD;
428 	if (sPersistentServiceName.equals(FM_COMPONENT_TIMEFIELD))
429 		return OBJ_FM_TIMEFIELD;
430 	if (sPersistentServiceName.equals(FM_COMPONENT_NUMERICFIELD))
431 		return OBJ_FM_NUMERICFIELD;
432 	if (sPersistentServiceName.equals(FM_COMPONENT_CURRENCYFIELD))
433 		return OBJ_FM_CURRENCYFIELD;
434 	if (sPersistentServiceName.equals(FM_COMPONENT_PATTERNFIELD))
435 		return OBJ_FM_PATTERNFIELD;
436 	if (sPersistentServiceName.equals(FM_COMPONENT_HIDDEN)) // 5.0-Name
437 		return OBJ_FM_HIDDEN;
438 	if (sPersistentServiceName.equals(FM_COMPONENT_HIDDENCONTROL))
439 		return OBJ_FM_HIDDEN;
440 	if (sPersistentServiceName.equals(FM_COMPONENT_IMAGECONTROL))
441 		return OBJ_FM_IMAGECONTROL;
442 	if (sPersistentServiceName.equals(FM_COMPONENT_FORMATTEDFIELD))
443 	{
444 		DBG_ERROR("::getControlTypeByObject : suspicious persistent service name (formatted field) !");
445 			// objects with that service name should exist as they aren't compatible with older versions
446 		return OBJ_FM_FORMATTEDFIELD;
447 	}
448 	if ( sPersistentServiceName.equals( FM_SUN_COMPONENT_SCROLLBAR ) )
449         return OBJ_FM_SCROLLBAR;
450 	if ( sPersistentServiceName.equals( FM_SUN_COMPONENT_SPINBUTTON) )
451         return OBJ_FM_SPINBUTTON;
452 	if (sPersistentServiceName.equals(FM_SUN_COMPONENT_NAVIGATIONBAR))
453 		return OBJ_FM_NAVIGATIONBAR;
454 
455 	DBG_ERROR("::getControlTypeByObject : unknown object type !");
456 	return OBJ_FM_CONTROL;
457 }
458 
459 //------------------------------------------------------------------------------
setConnection(const Reference<::com::sun::star::sdbc::XRowSet> & _rxRowSet,const Reference<::com::sun::star::sdbc::XConnection> & _rxConn)460 void setConnection(const Reference< ::com::sun::star::sdbc::XRowSet>& _rxRowSet, const Reference< ::com::sun::star::sdbc::XConnection>& _rxConn)
461 {
462     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "svx", "Ocke.Janssen@sun.com", "fmtools::setConnection" );
463 	Reference< ::com::sun::star::beans::XPropertySet> xRowSetProps(_rxRowSet, UNO_QUERY);
464 	if (xRowSetProps.is())
465 	{
466 		try
467 		{
468 			Any aConn(makeAny(_rxConn));
469 			xRowSetProps->setPropertyValue(FM_PROP_ACTIVE_CONNECTION, aConn);
470 		}
471 		catch(Exception&)
472 		{
473 			DBG_ERROR("::setConnection : could not set the connection !");
474 		}
475 
476 	}
477 }
478 //------------------------------------------------------------------------------
isRowSetAlive(const Reference<XInterface> & _rxRowSet)479 sal_Bool isRowSetAlive(const Reference< XInterface >& _rxRowSet)
480 {
481     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "svx", "Ocke.Janssen@sun.com", "fmtools::isRowSetAlive" );
482 	sal_Bool bIsAlive = sal_False;
483 	Reference< ::com::sun::star::sdbcx::XColumnsSupplier> xSupplyCols(_rxRowSet, UNO_QUERY);
484 	Reference< ::com::sun::star::container::XIndexAccess> xCols;
485 	if (xSupplyCols.is())
486 		xCols = Reference< ::com::sun::star::container::XIndexAccess>(xSupplyCols->getColumns(), UNO_QUERY);
487 	if (xCols.is() && (xCols->getCount() > 0))
488 		bIsAlive = sal_True;
489 
490 	return bIsAlive;
491 }
492 
493