xref: /AOO41X/main/sfx2/source/appl/fileobj.cxx (revision 3706bbdeebea3b865a2b7ddab0790bb5d0c02d36)
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3  * Licensed to the Apache Software Foundation (ASF) under one
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7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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13  * Unless required by applicable law or agreed to in writing,
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16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
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21 
22 // MARKER(update_precomp.py): autogen include statement, do not remove
23 #include "precompiled_sfx2.hxx"
24 
25 #include <vcl/wrkwin.hxx>
26 #include <vcl/msgbox.hxx>
27 #include <tools/urlobj.hxx>
28 #include <tools/stream.hxx>
29 #include <sot/formats.hxx>
30 #include <svtools/filter.hxx>
31 #include <sfx2/lnkbase.hxx>
32 #include <sfx2/app.hxx>
33 #include <sfx2/progress.hxx>
34 #include <sfx2/docfilt.hxx>
35 #include <sfx2/filedlghelper.hxx>
36 #include <sot/exchange.hxx>
37 #include <com/sun/star/uno/Any.hxx>
38 #include <com/sun/star/uno/Sequence.hxx>
39 #include <sfx2/docfac.hxx>
40 #include <com/sun/star/document/XTypeDetection.hpp>
41 #include <comphelper/mediadescriptor.hxx>
42 #include <comphelper/processfactory.hxx>
43 #include <sfx2/linkmgr.hxx>
44 #include <sfx2/opengrf.hxx>
45 #include "sfx2/sfxresid.hxx"
46 #include "fileobj.hxx"
47 #include "app.hrc"
48 #include <vcl/dibtools.hxx>
49 
50 namespace css = ::com::sun::star;
51 
52 #define FILETYPE_TEXT       1
53 #define FILETYPE_GRF        2
54 #define FILETYPE_OBJECT     3
55 
56 struct Impl_DownLoadData
57 {
58     Graphic aGrf;
59     Timer aTimer;
60 
Impl_DownLoadDataImpl_DownLoadData61     Impl_DownLoadData( const Link& rLink )
62     {
63         aTimer.SetTimeout( 100 );
64         aTimer.SetTimeoutHdl( rLink  );
65         aGrf.SetDefaultType();
66     }
~Impl_DownLoadDataImpl_DownLoadData67     ~Impl_DownLoadData()
68     {
69         aTimer.Stop();
70     }
71 };
72 
73 // --------------------------------------------------------------------------
74 
75 
SvFileObject()76 SvFileObject::SvFileObject() :
77     pDownLoadData( NULL ), pOldParent( NULL ), nType( FILETYPE_TEXT )
78 {
79     bLoadAgain = sal_True;
80     bSynchron = bLoadError = bWaitForData = bDataReady = bNativFormat =
81     bClearMedium = bStateChangeCalled = bInCallDownLoad = sal_False;
82 }
83 
84 
~SvFileObject()85 SvFileObject::~SvFileObject()
86 {
87     if ( xMed.Is() )
88     {
89         xMed->SetDataAvailableLink( Link() );
90         xMed->SetDoneLink( Link() );
91         xMed.Clear();
92     }
93     delete pDownLoadData;
94 }
95 
96 
GetData(::com::sun::star::uno::Any & rData,const String & rMimeType,sal_Bool bGetSynchron)97 sal_Bool SvFileObject::GetData( ::com::sun::star::uno::Any & rData,
98                                 const String & rMimeType,
99                                 sal_Bool bGetSynchron )
100 {
101     sal_uIntPtr nFmt = SotExchange::GetFormatStringId( rMimeType );
102     switch( nType )
103     {
104     case FILETYPE_TEXT:
105         if( FORMAT_FILE == nFmt )
106         {
107             // das Medium muss in der Applikation geoffnet werden, um die
108             // relativen Datei Links aufzuloesen!!!! Wird ueber den
109             // LinkManager und damit von dessen Storage erledigt.
110             rData <<= rtl::OUString( sFileNm );
111         }
112         break;
113 
114     case FILETYPE_GRF:
115         if( !bLoadError )
116         {
117             SfxMediumRef xTmpMed;
118 
119             if( FORMAT_GDIMETAFILE == nFmt || FORMAT_BITMAP == nFmt ||
120                 SOT_FORMATSTR_ID_SVXB == nFmt )
121             {
122                 Graphic aGrf;
123 
124                 //JP 15.07.98: Bug 52959
125                 //      falls das Nativformat doch erwuenscht ist, muss am
126                 //      Ende das Flag zurueckgesetzt werden.
127 // wird einzig und allein im sw/ndgrf.cxx benutzt, wenn der Link vom
128 // GraphicNode entfernt wird.
129                 sal_Bool bOldNativFormat = bNativFormat;
130 //!!??              bNativFormat = 0 != (ASPECT_ICON & pSvData->GetAspect());
131 
132                 // falls gedruckt werden soll, warten wir bis die
133                 // Daten vorhanden sind
134                 if( bGetSynchron )
135                 {
136                     // testhalber mal ein LoadFile rufen um das nach-
137                     // laden ueberahaupt anzustossen
138                     if( !xMed.Is() )
139                         LoadFile_Impl();
140 
141                     if( !bInCallDownLoad )
142                     {
143                         xTmpMed = xMed;
144                         while( bWaitForData )
145                             Application::Reschedule();
146 
147                         xMed = xTmpMed;
148                         bClearMedium = sal_True;
149                     }
150                 }
151 
152                 if( pDownLoadData ||
153                     ( !bWaitForData && ( xMed.Is() ||       // wurde als URL geladen
154                         ( bSynchron && LoadFile_Impl() && xMed.Is() ) )) )
155                 {
156                     // falls
157 
158                     // falls es uebers Internet gesogen wurde, nicht
159                     // wieder versuchen
160                     if( !bGetSynchron )
161                         bLoadAgain = !xMed->IsRemote();
162                     bLoadError = !GetGraphic_Impl( aGrf, xMed->GetInStream() );
163                 }
164                 else if( !LoadFile_Impl() ||
165                         !GetGraphic_Impl( aGrf, xMed.Is() ? xMed->GetInStream() : 0 ))
166                 {
167                     if( !xMed.Is() )
168                         break;
169                     aGrf.SetDefaultType();
170                 }
171 
172                 if( SOT_FORMATSTR_ID_SVXB != nFmt )
173                     nFmt = (bLoadError || GRAPHIC_BITMAP == aGrf.GetType())
174                                 ? FORMAT_BITMAP
175                                 : FORMAT_GDIMETAFILE;
176 
177                 SvMemoryStream aMemStm( 0, 65535 );
178                 switch ( nFmt )
179                 {
180                 case SOT_FORMATSTR_ID_SVXB:
181                     if( GRAPHIC_NONE != aGrf.GetType() )
182                     {
183                         aMemStm.SetVersion( SOFFICE_FILEFORMAT_50 );
184                         aMemStm << aGrf;
185                     }
186                     break;
187 
188                 case  FORMAT_BITMAP:
189                 {
190                     const Bitmap aBitmap(aGrf.GetBitmap());
191 
192                     if(!aBitmap.IsEmpty())
193                     {
194                         WriteDIB(aBitmap, aMemStm, false, true);
195                     }
196 
197                     break;
198                 }
199 
200                 default:
201                     if( aGrf.GetGDIMetaFile().GetActionCount() )
202                     {
203                         GDIMetaFile aMeta( aGrf.GetGDIMetaFile() );
204                         aMeta.Write( aMemStm );
205                     }
206                 }
207                 rData <<= css::uno::Sequence< sal_Int8 >( (sal_Int8*) aMemStm.GetData(),
208                                         aMemStm.Seek( STREAM_SEEK_TO_END ) );
209 
210                 bNativFormat = bOldNativFormat;
211 
212                 // alles fertig?
213                 if( xMed.Is() && !bSynchron && bClearMedium )
214                 {
215                     xMed.Clear();
216                     bClearMedium = sal_False;
217                 }
218             }
219         }
220         break;
221     case FILETYPE_OBJECT:
222         // TODO/LATER: possibility to insert a new object
223         rData <<= rtl::OUString( sFileNm );
224         break;
225     }
226     return sal_True/*0 != aTypeList.Count()*/;
227 }
228 
229 
230 
231 
Connect(sfx2::SvBaseLink * pLink)232 sal_Bool SvFileObject::Connect( sfx2::SvBaseLink* pLink )
233 {
234     if( !pLink || !pLink->GetLinkManager() )
235         return sal_False;
236 
237     // teste doch mal, ob nicht ein anderer Link mit der gleichen
238     // Verbindung schon existiert
239     pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFileNm, 0, &sFilter );
240 
241     if( OBJECT_CLIENT_GRF == pLink->GetObjType() )
242     {
243         SfxObjectShellRef pShell = pLink->GetLinkManager()->GetPersist();
244         if( pShell.Is() )
245         {
246             if( pShell->IsAbortingImport() )
247                 return sal_False;
248 
249             if( pShell->GetMedium() )
250                 sReferer = pShell->GetMedium()->GetName();
251         }
252     }
253 
254     switch( pLink->GetObjType() )
255     {
256     case OBJECT_CLIENT_GRF:
257         nType = FILETYPE_GRF;
258         bSynchron = pLink->IsSynchron();
259         break;
260 
261     case OBJECT_CLIENT_FILE:
262         nType = FILETYPE_TEXT;
263         break;
264 
265     case OBJECT_CLIENT_OLE:
266         nType = FILETYPE_OBJECT;
267         // TODO/LATER: introduce own type to be used for exchanging
268         break;
269 
270     default:
271         return sal_False;
272     }
273 
274     SetUpdateTimeout( 0 );
275 
276     // und jetzt bei diesem oder gefundenem Pseudo-Object anmelden
277     AddDataAdvise( pLink, SotExchange::GetFormatMimeType( pLink->GetContentType()), 0 );
278     return sal_True;
279 }
280 
281 
LoadFile_Impl()282 sal_Bool SvFileObject::LoadFile_Impl()
283 {
284     // wir sind noch im Laden!!
285     if( bWaitForData || !bLoadAgain || xMed.Is() || pDownLoadData )
286         return sal_False;
287 
288     // z.Z. nur auf die aktuelle DocShell
289     xMed = new SfxMedium( sFileNm, STREAM_STD_READ, sal_True );
290     SvLinkSource::StreamToLoadFrom aStreamToLoadFrom =
291         getStreamToLoadFrom();
292     xMed->setStreamToLoadFrom(
293         aStreamToLoadFrom.m_xInputStreamToLoadFrom,
294         aStreamToLoadFrom.m_bIsReadOnly);
295     // setStreamToLoadFrom(0,0);
296     if( sReferer.Len() )
297         xMed->SetReferer( sReferer );
298 
299     if( !bSynchron )
300     {
301         bLoadAgain = bDataReady = bInNewData = sal_False;
302         bWaitForData = sal_True;
303 
304         SfxMediumRef xTmpMed = xMed;
305         xMed->SetDataAvailableLink( STATIC_LINK( this, SvFileObject, LoadGrfNewData_Impl ) );
306         bInCallDownLoad = sal_True;
307         xMed->DownLoad( STATIC_LINK( this, SvFileObject, LoadGrfReady_Impl ) );
308         bInCallDownLoad = sal_False;
309 
310         bClearMedium = !xMed.Is();
311         if( bClearMedium )
312             xMed = xTmpMed;     // falls gleich im DownLoad schon schluss ist
313         return bDataReady;
314     }
315 
316     bWaitForData = sal_True;
317     bDataReady = bInNewData = sal_False;
318     xMed->DownLoad();
319     bLoadAgain = !xMed->IsRemote();
320     bWaitForData = sal_False;
321 
322     // Grafik ist fertig, also DataChanged von der Statusaederung schicken:
323     SendStateChg_Impl( xMed->GetInStream() && xMed->GetInStream()->GetError()
324                         ? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
325     return sal_True;
326 }
327 
328 
GetGraphic_Impl(Graphic & rGrf,SvStream * pStream)329 sal_Bool SvFileObject::GetGraphic_Impl( Graphic& rGrf, SvStream* pStream )
330 {
331     GraphicFilter* pGF = GraphicFilter::GetGraphicFilter();
332 
333     const sal_uInt16 nFilter = sFilter.Len() && pGF->GetImportFormatCount()
334                             ? pGF->GetImportFormatNumber( sFilter )
335                             : GRFILTER_FORMAT_DONTKNOW;
336 
337     String aEmptyStr;
338     int nRes;
339 
340     // vermeiden, dass ein native Link angelegt wird
341     if( ( !pStream || !pDownLoadData ) && !rGrf.IsLink() &&
342         !rGrf.GetContext() && !bNativFormat )
343         rGrf.SetLink( GfxLink() );
344 
345     if( !pStream )
346         nRes = xMed.Is() ? GRFILTER_OPENERROR
347                          : pGF->ImportGraphic( rGrf, INetURLObject(sFileNm),
348                             nFilter );
349     else if( !pDownLoadData )
350     {
351         pStream->Seek( STREAM_SEEK_TO_BEGIN );
352 
353         // #123042# for e.g. SVG the path is needed, see same TaskID in svx for more info
354         nRes = pGF->ImportGraphic( rGrf, sFileNm, *pStream, nFilter );
355     }
356     else
357     {
358         nRes = pGF->ImportGraphic( pDownLoadData->aGrf, aEmptyStr,
359                                     *pStream, nFilter );
360 
361         if( pDownLoadData )
362         {
363             rGrf = pDownLoadData->aGrf;
364             if( GRAPHIC_NONE == rGrf.GetType() )
365                 rGrf.SetDefaultType();
366 
367 
368             if( !pDownLoadData->aGrf.GetContext() )
369             {
370                 xMed->SetDataAvailableLink( Link() );
371 //              xMed->SetDoneLink( Link() );
372                 delete pDownLoadData, pDownLoadData = 0;
373                 bDataReady = sal_True;
374                 bWaitForData = sal_False;
375             }
376             else if( sal_False )
377             {
378                 // Timer aufsetzen, um zurueck zukehren
379                 pDownLoadData->aTimer.Start();
380             }
381         }
382     }
383 
384     if( pStream && ERRCODE_IO_PENDING == pStream->GetError() )
385         pStream->ResetError();
386 
387 #ifdef DBG_UTIL
388     if( nRes )
389     {
390         if( xMed.Is() && !pStream )
391         {
392             DBG_WARNING3( "GrafikFehler [%d] - [%s] URL[%s]",
393                             nRes,
394                             xMed->GetPhysicalName().GetBuffer(),
395                             sFileNm.GetBuffer() );
396         }
397         else
398         {
399             DBG_WARNING2( "GrafikFehler [%d] - [%s]",
400                             nRes, sFileNm.GetBuffer() );
401         }
402     }
403 #endif
404 
405     return GRFILTER_OK == nRes;
406 }
407 
408 /** detect the filter of the given file
409 
410     @param _rURL
411         specifies the URL of the file which filter is to detected.<br/>
412         If the URL doesn't denote a valid (existent and accessible) file, the
413         request is silently dropped.
414 */
impl_getFilter(const String & _rURL)415 String impl_getFilter( const String& _rURL )
416 {
417     String sFilter;
418     if ( _rURL.Len() == 0 )
419         return sFilter;
420 
421     try
422     {
423         css::uno::Reference< ::com::sun::star::document::XTypeDetection > xTypeDetection(
424             ::comphelper::getProcessServiceFactory()->createInstance(
425                 ::rtl::OUString::createFromAscii("com.sun.star.document.TypeDetection") ),
426                 css::uno::UNO_QUERY );
427         if ( xTypeDetection.is() )
428         {
429             ::comphelper::MediaDescriptor aDescr;
430             aDescr[ ::comphelper::MediaDescriptor::PROP_URL() ] <<= ::rtl::OUString( _rURL );
431             css::uno::Sequence< css::beans::PropertyValue > aDescrList =
432                 aDescr.getAsConstPropertyValueList();
433             ::rtl::OUString sType = xTypeDetection->queryTypeByDescriptor( aDescrList, sal_True );
434             if ( sType.getLength() )
435             {
436                 css::uno::Reference< css::container::XNameAccess > xTypeCont( xTypeDetection,
437                                                                               css::uno::UNO_QUERY );
438                 if ( xTypeCont.is() )
439                 {
440                     ::comphelper::SequenceAsHashMap lTypeProps( xTypeCont->getByName( sType ) );
441                     sFilter = lTypeProps.getUnpackedValueOrDefault(
442                         ::rtl::OUString::createFromAscii("PreferredFilter"), ::rtl::OUString() );
443                 }
444             }
445         }
446     }
447     catch( const css::uno::Exception& )
448     {
449     }
450 
451     return sFilter;
452 }
453 
Edit(Window * pParent,sfx2::SvBaseLink * pLink,const Link & rEndEditHdl)454 void SvFileObject::Edit( Window* pParent, sfx2::SvBaseLink* pLink, const Link& rEndEditHdl )
455 {
456     aEndEditLink = rEndEditHdl;
457     String sFile, sRange, sTmpFilter;
458     if( pLink && pLink->GetLinkManager() )
459     {
460         pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFile, &sRange, &sTmpFilter );
461 
462         switch( pLink->GetObjType() )
463         {
464             case OBJECT_CLIENT_GRF:
465             {
466                 nType = FILETYPE_GRF;       // falls noch nicht gesetzt
467 
468                 SvxOpenGraphicDialog aDlg(SfxResId(RID_SVXSTR_EDITGRFLINK));
469                 aDlg.EnableLink(sal_False);
470                 aDlg.SetPath( sFile, sal_True );
471                 aDlg.SetCurrentFilter( sTmpFilter );
472 
473                 if( !aDlg.Execute() )
474                 {
475                     sFile = aDlg.GetPath();
476                     sFile += ::sfx2::cTokenSeperator;
477                     sFile += ::sfx2::cTokenSeperator;
478                     sFile += aDlg.GetCurrentFilter();
479 
480                     if ( aEndEditLink.IsSet() )
481                         aEndEditLink.Call( &sFile );
482                 }
483                 else
484                     sFile.Erase();
485             }
486             break;
487 
488             case OBJECT_CLIENT_OLE:
489             {
490                 nType = FILETYPE_OBJECT; // if not set already
491                 pOldParent = Application::GetDefDialogParent();
492                 Application::SetDefDialogParent( pParent );
493 
494                 ::sfx2::FileDialogHelper* pFileDlg =
495                     pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), String() );
496                 pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
497             }
498             break;
499 
500             case OBJECT_CLIENT_FILE:
501             {
502                 nType = FILETYPE_TEXT; // if not set already
503                 pOldParent = Application::GetDefDialogParent();
504                 Application::SetDefDialogParent( pParent );
505 
506                 String sFactory;
507                 SfxObjectShell* pShell = pLink->GetLinkManager()->GetPersist();
508                 if ( pShell )
509                     sFactory = pShell->GetFactory().GetFactoryName();
510 
511                 ::sfx2::FileDialogHelper* pFileDlg =
512                     pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), sFactory );
513                 pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
514             }
515             break;
516 
517             default:
518                 sFile.Erase();
519         }
520     }
521 }
522 
IMPL_STATIC_LINK(SvFileObject,LoadGrfReady_Impl,void *,EMPTYARG)523 IMPL_STATIC_LINK( SvFileObject, LoadGrfReady_Impl, void*, EMPTYARG )
524 {
525     // wenn wir von hier kommen, kann es kein Fehler mehr sein
526     pThis->bLoadError = sal_False;
527     pThis->bWaitForData = sal_False;
528     pThis->bInCallDownLoad = sal_False;
529 
530     if( !pThis->bInNewData && !pThis->bDataReady )
531     {
532             // Grafik ist fertig, also DataChanged von der Status-
533             // aederung schicken:
534         pThis->bDataReady = sal_True;
535         pThis->SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_OK );
536 
537             // und dann nochmal die Daten senden
538         pThis->NotifyDataChanged();
539     }
540 
541     if( pThis->bDataReady )
542     {
543         pThis->bLoadAgain = sal_True;
544         if( pThis->xMed.Is() )
545         {
546             pThis->xMed->SetDataAvailableLink( Link() );
547             pThis->xMed->SetDoneLink( Link() );
548 
549             Application::PostUserEvent(
550                         STATIC_LINK( pThis, SvFileObject, DelMedium_Impl ),
551                         new SfxMediumRef( pThis->xMed ));
552             pThis->xMed.Clear();
553         }
554         if( pThis->pDownLoadData )
555             delete pThis->pDownLoadData, pThis->pDownLoadData = 0;
556     }
557 
558     return 0;
559 }
560 
IMPL_STATIC_LINK(SvFileObject,DelMedium_Impl,SfxMediumRef *,pDelMed)561 IMPL_STATIC_LINK( SvFileObject, DelMedium_Impl, SfxMediumRef*, pDelMed )
562 {
563     (void)pThis;
564     delete pDelMed;
565     return 0;
566 }
567 
IMPL_STATIC_LINK(SvFileObject,LoadGrfNewData_Impl,void *,EMPTYARG)568 IMPL_STATIC_LINK( SvFileObject, LoadGrfNewData_Impl, void*, EMPTYARG )
569 {
570     // wenn wir von hier kommen, kann es kein Fehler mehr sein
571     if( pThis->bInNewData )
572         return 0;
573 
574     pThis->bInNewData = sal_True;
575     pThis->bLoadError = sal_False;
576 
577     if( !pThis->pDownLoadData )
578     {
579         pThis->pDownLoadData = new Impl_DownLoadData(
580                         STATIC_LINK( pThis, SvFileObject, LoadGrfNewData_Impl ) );
581 
582         // Null-Link setzen, damit keine temporaeren Grafiken
583         // rausgeswapt werden; der Filter prueft, ob schon
584         // ein Link gesetzt ist => falls dies zutrifft, wird
585         // _kein_ neuer Link gesetzt; der Link muss hier gesetzt werden,
586         // (bevor das erste Mal gefiltert wird), um zu verhindern,
587         // dass der Kontext zurueckgesetzt wird (aynchrones Laden)
588         if( !pThis->bNativFormat )
589         {
590             static GfxLink aDummyLink;
591             pThis->pDownLoadData->aGrf.SetLink( aDummyLink );
592         }
593     }
594 
595     pThis->NotifyDataChanged();
596 
597     SvStream* pStrm = pThis->xMed.Is() ? pThis->xMed->GetInStream() : 0;
598     if( pStrm && pStrm->GetError() )
599     {
600         if( ERRCODE_IO_PENDING == pStrm->GetError() )
601             pStrm->ResetError();
602 
603         // im DataChanged ein DataReady?
604         else if( pThis->bWaitForData && pThis->pDownLoadData )
605         {
606             pThis->bLoadError = sal_True;
607         }
608     }
609 
610     if( pThis->bDataReady )
611     {
612         // Grafik ist fertig, also DataChanged von der Status-
613         // aederung schicken:
614         pThis->SendStateChg_Impl( pStrm->GetError() ? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
615     }
616 
617     pThis->bInNewData = sal_False;
618     return 0;
619 }
620 
IMPL_LINK(SvFileObject,DialogClosedHdl,sfx2::FileDialogHelper *,_pFileDlg)621 IMPL_LINK( SvFileObject, DialogClosedHdl, sfx2::FileDialogHelper*, _pFileDlg )
622 {
623     String sFile;
624     Application::SetDefDialogParent( pOldParent );
625 
626     if ( FILETYPE_TEXT == nType || FILETYPE_OBJECT == nType )
627     {
628         if ( _pFileDlg && _pFileDlg->GetError() == ERRCODE_NONE )
629         {
630             String sURL( _pFileDlg->GetPath() );
631             sFile = sURL;
632             sFile += ::sfx2::cTokenSeperator;
633             sFile += ::sfx2::cTokenSeperator;
634             sFile += impl_getFilter( sURL );
635         }
636     }
637     else
638     {
639         DBG_ERRORFILE( "SvFileObject::DialogClosedHdl(): wrong file type" );
640     }
641 
642     if ( aEndEditLink.IsSet() )
643         aEndEditLink.Call( &sFile );
644     return 0;
645 }
646 
647 /*  [Beschreibung]
648 
649     Die Methode stellt fest, ob aus einem DDE-Object die Daten gelesen
650     werden kann.
651     Zurueckgegeben wird:
652         ERRCODE_NONE            wenn sie komplett gelesen wurde
653         ERRCODE_SO_PENDING      wenn sie noch nicht komplett gelesen wurde
654         ERRCODE_SO_FALSE        sonst
655 */
IsPending() const656 sal_Bool SvFileObject::IsPending() const
657 {
658     return FILETYPE_GRF == nType && !bLoadError &&
659             ( pDownLoadData || bWaitForData );
660 }
IsDataComplete() const661 sal_Bool SvFileObject::IsDataComplete() const
662 {
663     sal_Bool bRet = sal_False;
664     if( FILETYPE_GRF != nType )
665         bRet = sal_True;
666     else if( !bLoadError && ( !bWaitForData && !pDownLoadData ))
667     {
668         SvFileObject* pThis = (SvFileObject*)this;
669         if( bDataReady ||
670             ( bSynchron && pThis->LoadFile_Impl() && xMed.Is() ) )
671             bRet = sal_True;
672         else
673         {
674             INetURLObject aUrl( sFileNm );
675             if( aUrl.HasError() ||
676                 INET_PROT_NOT_VALID == aUrl.GetProtocol() )
677                 bRet = sal_True;
678         }
679     }
680     return bRet;
681 }
682 
683 
684 
CancelTransfers()685 void SvFileObject::CancelTransfers()
686 {
687     // und aus dem Cache austragen, wenn man mitten im Laden ist
688     if( !bDataReady )
689     {
690         // nicht noch mal aufsetzen
691         bLoadAgain = sal_False;
692         bDataReady = bLoadError = bWaitForData = sal_True;
693         SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_ABORT );
694     }
695 }
696 
697 
SendStateChg_Impl(sfx2::LinkManager::LinkState nState)698 void SvFileObject::SendStateChg_Impl( sfx2::LinkManager::LinkState nState )
699 {
700     if( !bStateChangeCalled && HasDataLinks() )
701     {
702         css::uno::Any aAny;
703         aAny <<= rtl::OUString::valueOf( (sal_Int32)nState );
704         DataChanged( SotExchange::GetFormatName(
705                         sfx2::LinkManager::RegisterStatusInfoId()), aAny );
706         bStateChangeCalled = sal_True;
707     }
708 }
709 
710 
711