xref: /trunk/main/svtools/source/edit/xtextedt.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_svtools.hxx"
30 
31 #include <svtools/xtextedt.hxx>
32 #include <vcl/svapp.hxx>  // International
33 #include <unotools/textsearch.hxx>
34 #include <com/sun/star/util/SearchOptions.hpp>
35 #include <com/sun/star/util/SearchFlags.hpp>
36 
37 using namespace ::com::sun::star;
38 
39 
40 
41 // -------------------------------------------------------------------------
42 // class ExtTextEngine
43 // -------------------------------------------------------------------------
44 ExtTextEngine::ExtTextEngine() : maGroupChars( String::CreateFromAscii( "(){}[]", 6 ) )
45 {
46 }
47 
48 ExtTextEngine::~ExtTextEngine()
49 {
50 }
51 
52 TextSelection ExtTextEngine::MatchGroup( const TextPaM& rCursor ) const
53 {
54     TextSelection aSel( rCursor );
55     sal_uInt16 nPos = rCursor.GetIndex();
56     sal_uLong nPara = rCursor.GetPara();
57     sal_uLong nParas = GetParagraphCount();
58     if ( ( nPara < nParas ) && ( nPos < GetTextLen( nPara ) ) )
59     {
60         sal_uInt16 nMatchChar = maGroupChars.Search( GetText( rCursor.GetPara() ).GetChar( nPos ) );
61         if ( nMatchChar != STRING_NOTFOUND )
62         {
63             if ( ( nMatchChar % 2 ) == 0 )
64             {
65                 // Vorwaerts suchen...
66                 sal_Unicode nSC = maGroupChars.GetChar( nMatchChar );
67                 sal_Unicode nEC = maGroupChars.GetChar( nMatchChar+1 );
68 
69                 sal_uInt16 nCur = nPos+1;
70                 sal_uInt16 nLevel = 1;
71                 while ( nLevel && ( nPara < nParas ) )
72                 {
73                     XubString aStr = GetText( nPara );
74                     while ( nCur < aStr.Len() )
75                     {
76                         if ( aStr.GetChar( nCur ) == nSC )
77                             nLevel++;
78                         else if ( aStr.GetChar( nCur ) == nEC )
79                         {
80                             nLevel--;
81                             if ( !nLevel )
82                                 break;  // while nCur...
83                         }
84                         nCur++;
85                     }
86 
87                     if ( nLevel )
88                     {
89                         nPara++;
90                         nCur = 0;
91                     }
92                 }
93                 if ( nLevel == 0 )  // gefunden
94                 {
95                     aSel.GetStart() = rCursor;
96                     aSel.GetEnd() = TextPaM( nPara, nCur+1 );
97                 }
98             }
99             else
100             {
101                 // Rueckwaerts suchen...
102                 xub_Unicode nEC = maGroupChars.GetChar( nMatchChar );
103                 xub_Unicode nSC = maGroupChars.GetChar( nMatchChar-1 );
104 
105                 sal_uInt16 nCur = rCursor.GetIndex()-1;
106                 sal_uInt16 nLevel = 1;
107                 while ( nLevel )
108                 {
109                     if ( GetTextLen( nPara ) )
110                     {
111                         XubString aStr = GetText( nPara );
112                         while ( nCur )
113                         {
114                             if ( aStr.GetChar( nCur ) == nSC )
115                             {
116                                 nLevel--;
117                                 if ( !nLevel )
118                                     break;  // while nCur...
119                             }
120                             else if ( aStr.GetChar( nCur ) == nEC )
121                                 nLevel++;
122 
123                             nCur--;
124                         }
125                     }
126 
127                     if ( nLevel )
128                     {
129                         if ( nPara )
130                         {
131                             nPara--;
132                             nCur = GetTextLen( nPara )-1;   // egal ob negativ, weil if Len()
133                         }
134                         else
135                             break;
136                     }
137                 }
138 
139                 if ( nLevel == 0 )  // gefunden
140                 {
141                     aSel.GetStart() = rCursor;
142                     aSel.GetStart().GetIndex()++;   // hinter das Zeichen
143                     aSel.GetEnd() = TextPaM( nPara, nCur );
144                 }
145             }
146         }
147     }
148     return aSel;
149 }
150 
151 sal_Bool ExtTextEngine::Search( TextSelection& rSel, const util::SearchOptions& rSearchOptions, sal_Bool bForward )
152 {
153     TextSelection aSel( rSel );
154     aSel.Justify();
155 
156     sal_Bool bSearchInSelection = (0 != (rSearchOptions.searchFlag & util::SearchFlags::REG_NOT_BEGINOFLINE) );
157 
158     TextPaM aStartPaM( aSel.GetEnd() );
159     if ( aSel.HasRange() && ( ( bSearchInSelection && bForward ) || ( !bSearchInSelection && !bForward ) ) )
160     {
161         aStartPaM = aSel.GetStart();
162     }
163 
164     bool bFound = false;
165     sal_uLong nStartNode, nEndNode;
166 
167     if ( bSearchInSelection )
168         nEndNode = bForward ? aSel.GetEnd().GetPara() : aSel.GetStart().GetPara();
169     else
170         nEndNode = bForward ? (GetParagraphCount()-1) : 0;
171 
172     nStartNode = aStartPaM.GetPara();
173 
174     util::SearchOptions aOptions( rSearchOptions );
175     aOptions.Locale = Application::GetSettings().GetLocale();
176     utl::TextSearch aSearcher( rSearchOptions );
177 
178     // ueber die Absaetze iterieren...
179     for ( sal_uLong nNode = nStartNode;
180             bForward ?  ( nNode <= nEndNode) : ( nNode >= nEndNode );
181             bForward ? nNode++ : nNode-- )
182     {
183         String aText = GetText( nNode );
184         sal_uInt16 nStartPos = 0;
185         sal_uInt16 nEndPos = aText.Len();
186         if ( nNode == nStartNode )
187         {
188             if ( bForward )
189                 nStartPos = aStartPaM.GetIndex();
190             else
191                 nEndPos = aStartPaM.GetIndex();
192         }
193         if ( ( nNode == nEndNode ) && bSearchInSelection )
194         {
195             if ( bForward )
196                 nEndPos = aSel.GetEnd().GetIndex();
197             else
198                 nStartPos = aSel.GetStart().GetIndex();
199         }
200 
201         if ( bForward )
202             bFound = aSearcher.SearchFrwrd( aText, &nStartPos, &nEndPos );
203         else
204             bFound = aSearcher.SearchBkwrd( aText, &nEndPos, &nStartPos );
205 
206         if ( bFound )
207         {
208             rSel.GetStart().GetPara() = nNode;
209             rSel.GetStart().GetIndex() = nStartPos;
210             rSel.GetEnd().GetPara() = nNode;
211             rSel.GetEnd().GetIndex() = nEndPos;
212             // Ueber den Absatz selektieren?
213             // Select over the paragraph?
214             // FIXME  This should be max long...
215             if( nEndPos == sal::static_int_cast<sal_uInt16>(-1) ) // sal_uInt16 for 0 and -1 !
216             {
217                 if ( (rSel.GetEnd().GetPara()+1) < GetParagraphCount() )
218                 {
219                     rSel.GetEnd().GetPara()++;
220                     rSel.GetEnd().GetIndex() = 0;
221                 }
222                 else
223                 {
224                     rSel.GetEnd().GetIndex() = nStartPos;
225                     bFound = false;
226                 }
227             }
228 
229             break;
230         }
231 
232         if ( !bForward && !nNode )  // Bei rueckwaertsuche, wenn nEndNode = 0:
233             break;
234     }
235 
236     return bFound;
237 }
238 
239 
240 // -------------------------------------------------------------------------
241 // class ExtTextView
242 // -------------------------------------------------------------------------
243 ExtTextView::ExtTextView( ExtTextEngine* pEng, Window* pWindow )
244     : TextView( pEng, pWindow )
245 {
246 }
247 
248 ExtTextView::~ExtTextView()
249 {
250 }
251 
252 sal_Bool ExtTextView::MatchGroup()
253 {
254     TextSelection aTmpSel( GetSelection() );
255     aTmpSel.Justify();
256     if ( ( aTmpSel.GetStart().GetPara() != aTmpSel.GetEnd().GetPara() ) ||
257          ( ( aTmpSel.GetEnd().GetIndex() - aTmpSel.GetStart().GetIndex() ) > 1 ) )
258     {
259         return sal_False;
260     }
261 
262     TextSelection aMatchSel = ((ExtTextEngine*)GetTextEngine())->MatchGroup( aTmpSel.GetStart() );
263     if ( aMatchSel.HasRange() )
264         SetSelection( aMatchSel );
265 
266     return aMatchSel.HasRange() ? sal_True : sal_False;
267 }
268 
269 sal_Bool ExtTextView::Search( const util::SearchOptions& rSearchOptions, sal_Bool bForward )
270 {
271     sal_Bool bFound = sal_False;
272     TextSelection aSel( GetSelection() );
273     if ( ((ExtTextEngine*)GetTextEngine())->Search( aSel, rSearchOptions, bForward ) )
274     {
275         bFound = sal_True;
276         // Erstmal den Anfang des Wortes als Selektion einstellen,
277         // damit das ganze Wort in den sichtbaren Bereich kommt.
278         SetSelection( aSel.GetStart() );
279         ShowCursor( sal_True, sal_False );
280     }
281     else
282     {
283         aSel = GetSelection().GetEnd();
284     }
285 
286     SetSelection( aSel );
287     ShowCursor();
288 
289     return bFound;
290 }
291 
292 sal_uInt16 ExtTextView::Replace( const util::SearchOptions& rSearchOptions, sal_Bool bAll, sal_Bool bForward )
293 {
294     sal_uInt16 nFound = 0;
295 
296     if ( !bAll )
297     {
298         if ( GetSelection().HasRange() )
299         {
300             InsertText( rSearchOptions.replaceString );
301             nFound = 1;
302             Search( rSearchOptions, bForward ); // gleich zum naechsten
303         }
304         else
305         {
306             if( Search( rSearchOptions, bForward ) )
307                 nFound = 1;
308         }
309     }
310     else
311     {
312         // Der Writer ersetzt alle, vom Anfang bis Ende...
313 
314         ExtTextEngine* pTextEngine = (ExtTextEngine*)GetTextEngine();
315 
316         // HideSelection();
317         TextSelection aSel;
318 
319         sal_Bool bSearchInSelection = (0 != (rSearchOptions.searchFlag & util::SearchFlags::REG_NOT_BEGINOFLINE) );
320         if ( bSearchInSelection )
321         {
322             aSel = GetSelection();
323             aSel.Justify();
324         }
325 
326         TextSelection aSearchSel( aSel );
327 
328         sal_Bool bFound = pTextEngine->Search( aSel, rSearchOptions, sal_True );
329         if ( bFound )
330             pTextEngine->UndoActionStart();
331         while ( bFound )
332         {
333             nFound++;
334 
335             TextPaM aNewStart = pTextEngine->ImpInsertText( aSel, rSearchOptions.replaceString );
336             aSel = aSearchSel;
337             aSel.GetStart() = aNewStart;
338             bFound = pTextEngine->Search( aSel, rSearchOptions, sal_True );
339         }
340         if ( nFound )
341         {
342             SetSelection( aSel.GetStart() );
343             pTextEngine->FormatAndUpdate( this );
344             pTextEngine->UndoActionEnd();
345         }
346     }
347     return nFound;
348 }
349 
350 sal_Bool ExtTextView::ImpIndentBlock( sal_Bool bRight )
351 {
352     sal_Bool bDone = sal_False;
353 
354     TextSelection aSel = GetSelection();
355     aSel.Justify();
356 
357     HideSelection();
358     GetTextEngine()->UndoActionStart();
359 
360     sal_uLong nStartPara = aSel.GetStart().GetPara();
361     sal_uLong nEndPara = aSel.GetEnd().GetPara();
362     if ( aSel.HasRange() && !aSel.GetEnd().GetIndex() )
363     {
364         nEndPara--; // den dann nicht einruecken...
365     }
366 
367     for ( sal_uLong nPara = nStartPara; nPara <= nEndPara; nPara++ )
368     {
369         if ( bRight )
370         {
371             // Tabs hinzufuegen
372             GetTextEngine()->ImpInsertText( TextPaM( nPara, 0 ), '\t' );
373             bDone = sal_True;
374         }
375         else
376         {
377             // Tabs/Blanks entfernen
378             String aText = GetTextEngine()->GetText( nPara );
379             if ( aText.Len() && (
380                     ( aText.GetChar( 0 ) == '\t' ) ||
381                     ( aText.GetChar( 0 ) == ' ' ) ) )
382             {
383                 GetTextEngine()->ImpDeleteText( TextSelection( TextPaM( nPara, 0 ), TextPaM( nPara, 1 ) ) );
384                 bDone = sal_True;
385             }
386         }
387     }
388 
389     GetTextEngine()->UndoActionEnd();
390 
391     sal_Bool bRange = aSel.HasRange();
392     if ( bRight )
393     {
394         aSel.GetStart().GetIndex()++;
395         if ( bRange && ( aSel.GetEnd().GetPara() == nEndPara ) )
396             aSel.GetEnd().GetIndex()++;
397     }
398     else
399     {
400         if ( aSel.GetStart().GetIndex() )
401             aSel.GetStart().GetIndex()--;
402         if ( bRange && aSel.GetEnd().GetIndex() )
403             aSel.GetEnd().GetIndex()--;
404     }
405 
406     ImpSetSelection( aSel );
407     GetTextEngine()->FormatAndUpdate( this );
408 
409     return bDone;
410 }
411 
412 sal_Bool ExtTextView::IndentBlock()
413 {
414     return ImpIndentBlock( sal_True );
415 }
416 
417 sal_Bool ExtTextView::UnindentBlock()
418 {
419     return ImpIndentBlock( sal_False );
420 }
421 
422