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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <UndoOverwrite.hxx>
21 : #include <tools/resid.hxx>
22 : #include <unotools/charclass.hxx>
23 : #include <unotools/transliterationwrapper.hxx>
24 : #include <comphelper/processfactory.hxx>
25 : #include <doc.hxx>
26 : #include <IDocumentUndoRedo.hxx>
27 : #include <IShellCursorSupplier.hxx>
28 : #include <swundo.hxx>
29 : #include <pam.hxx>
30 : #include <ndtxt.hxx>
31 : #include <UndoCore.hxx>
32 : #include <rolbck.hxx>
33 : #include <acorrect.hxx>
34 : #include <docary.hxx>
35 : #include <comcore.hrc> // #111827#
36 : #include <undo.hrc>
37 :
38 : using namespace ::com::sun::star;
39 : using namespace ::com::sun::star::i18n;
40 : using namespace ::com::sun::star::uno;
41 :
42 0 : SwUndoOverwrite::SwUndoOverwrite( SwDoc* pDoc, SwPosition& rPos,
43 : sal_Unicode cIns )
44 : : SwUndo(UNDO_OVERWRITE),
45 0 : pRedlSaveData( 0 ), bGroup( sal_False )
46 : {
47 0 : if( !pDoc->IsIgnoreRedline() && !pDoc->GetRedlineTbl().empty() )
48 : {
49 0 : SwPaM aPam( rPos.nNode, rPos.nContent.GetIndex(),
50 0 : rPos.nNode, rPos.nContent.GetIndex()+1 );
51 0 : pRedlSaveData = new SwRedlineSaveDatas;
52 0 : if( !FillSaveData( aPam, *pRedlSaveData, sal_False ))
53 0 : delete pRedlSaveData, pRedlSaveData = 0;
54 : }
55 :
56 0 : nSttNode = rPos.nNode.GetIndex();
57 0 : nSttCntnt = rPos.nContent.GetIndex();
58 :
59 0 : SwTxtNode* pTxtNd = rPos.nNode.GetNode().GetTxtNode();
60 : OSL_ENSURE( pTxtNd, "Overwrite not in a TextNode?" );
61 :
62 0 : bInsChar = sal_True;
63 0 : xub_StrLen nTxtNdLen = pTxtNd->GetTxt().getLength();
64 0 : if( nSttCntnt < nTxtNdLen ) // no pure insert?
65 : {
66 0 : aDelStr.Insert( pTxtNd->GetTxt()[nSttCntnt] );
67 0 : if( !pHistory )
68 0 : pHistory = new SwHistory;
69 0 : SwRegHistory aRHst( *pTxtNd, pHistory );
70 : pHistory->CopyAttr( pTxtNd->GetpSwpHints(), nSttNode, 0,
71 0 : nTxtNdLen, false );
72 0 : rPos.nContent++;
73 0 : bInsChar = sal_False;
74 : }
75 :
76 0 : bool bOldExpFlg = pTxtNd->IsIgnoreDontExpand();
77 0 : pTxtNd->SetIgnoreDontExpand( true );
78 :
79 : pTxtNd->InsertText( OUString(cIns), rPos.nContent,
80 0 : IDocumentContentOperations::INS_EMPTYEXPAND );
81 0 : aInsStr.Insert( cIns );
82 :
83 0 : if( !bInsChar )
84 : {
85 0 : const SwIndex aTmpIndex( rPos.nContent, -2 );
86 0 : pTxtNd->EraseText( aTmpIndex, 1 );
87 : }
88 0 : pTxtNd->SetIgnoreDontExpand( bOldExpFlg );
89 :
90 0 : bCacheComment = false;
91 0 : }
92 :
93 0 : SwUndoOverwrite::~SwUndoOverwrite()
94 : {
95 0 : delete pRedlSaveData;
96 0 : }
97 :
98 0 : sal_Bool SwUndoOverwrite::CanGrouping( SwDoc* pDoc, SwPosition& rPos,
99 : sal_Unicode cIns )
100 : {
101 : // What is with only inserted characters?
102 :
103 : // Only deletion of single chars can be combined.
104 0 : if( rPos.nNode != nSttNode || !aInsStr.Len() ||
105 0 : ( !bGroup && aInsStr.Len() != 1 ))
106 0 : return sal_False;
107 :
108 : // Is the node a TextNode at all?
109 0 : SwTxtNode * pDelTxtNd = rPos.nNode.GetNode().GetTxtNode();
110 0 : if( !pDelTxtNd ||
111 0 : (pDelTxtNd->GetTxt().getLength() != rPos.nContent.GetIndex() &&
112 0 : rPos.nContent.GetIndex() != ( nSttCntnt + aInsStr.Len() )))
113 0 : return sal_False;
114 :
115 0 : CharClass& rCC = GetAppCharClass();
116 :
117 : // ask the char that should be inserted
118 0 : if (( CH_TXTATR_BREAKWORD == cIns || CH_TXTATR_INWORD == cIns ) ||
119 0 : rCC.isLetterNumeric( OUString( cIns ), 0 ) !=
120 0 : rCC.isLetterNumeric( aInsStr, aInsStr.Len()-1 ) )
121 0 : return sal_False;
122 :
123 : {
124 0 : SwRedlineSaveDatas* pTmpSav = new SwRedlineSaveDatas;
125 0 : SwPaM aPam( rPos.nNode, rPos.nContent.GetIndex(),
126 0 : rPos.nNode, rPos.nContent.GetIndex()+1 );
127 :
128 0 : if( !FillSaveData( aPam, *pTmpSav, sal_False ))
129 0 : delete pTmpSav, pTmpSav = 0;
130 :
131 0 : bool bOk = ( !pRedlSaveData && !pTmpSav ) ||
132 0 : ( pRedlSaveData && pTmpSav &&
133 : SwUndo::CanRedlineGroup( *pRedlSaveData, *pTmpSav,
134 0 : nSttCntnt > rPos.nContent.GetIndex() ));
135 0 : delete pTmpSav;
136 0 : if( !bOk )
137 0 : return sal_False;
138 :
139 0 : pDoc->DeleteRedline( aPam, false, USHRT_MAX );
140 : }
141 :
142 : // both 'overwrites' can be combined so 'move' the corresponding character
143 0 : if( !bInsChar )
144 : {
145 0 : if (rPos.nContent.GetIndex() < pDelTxtNd->GetTxt().getLength())
146 : {
147 0 : aDelStr.Insert(pDelTxtNd->GetTxt()[rPos.nContent.GetIndex()]);
148 0 : rPos.nContent++;
149 : }
150 : else
151 0 : bInsChar = sal_True;
152 : }
153 :
154 0 : bool bOldExpFlg = pDelTxtNd->IsIgnoreDontExpand();
155 0 : pDelTxtNd->SetIgnoreDontExpand( true );
156 :
157 : OUString const ins( pDelTxtNd->InsertText(OUString(cIns), rPos.nContent,
158 0 : IDocumentContentOperations::INS_EMPTYEXPAND) );
159 : assert(ins.getLength() == 1); // check in SwDoc::Overwrite => cannot fail
160 0 : aInsStr.Insert( cIns );
161 :
162 0 : if( !bInsChar )
163 : {
164 0 : const SwIndex aTmpIndex( rPos.nContent, -2 );
165 0 : pDelTxtNd->EraseText( aTmpIndex, 1 );
166 : }
167 0 : pDelTxtNd->SetIgnoreDontExpand( bOldExpFlg );
168 :
169 0 : bGroup = sal_True;
170 0 : return sal_True;
171 : }
172 :
173 0 : void SwUndoOverwrite::UndoImpl(::sw::UndoRedoContext & rContext)
174 : {
175 0 : SwDoc *const pDoc = & rContext.GetDoc();
176 0 : SwPaM *const pAktPam(& rContext.GetCursorSupplier().CreateNewShellCursor());
177 :
178 0 : pAktPam->DeleteMark();
179 0 : pAktPam->GetPoint()->nNode = nSttNode;
180 0 : SwTxtNode* pTxtNd = pAktPam->GetNode()->GetTxtNode();
181 : OSL_ENSURE( pTxtNd, "Overwrite not in a TextNode?" );
182 0 : SwIndex& rIdx = pAktPam->GetPoint()->nContent;
183 0 : rIdx.Assign( pTxtNd, nSttCntnt );
184 :
185 0 : SwAutoCorrExceptWord* pACEWord = pDoc->GetAutoCorrExceptWord();
186 0 : if( pACEWord )
187 : {
188 0 : if( 1 == aInsStr.Len() && 1 == aDelStr.Len() )
189 0 : pACEWord->CheckChar( *pAktPam->GetPoint(), aDelStr.GetChar( 0 ) );
190 0 : pDoc->SetAutoCorrExceptWord( 0 );
191 : }
192 :
193 : // If there was not only a overwrite but also an insert, delete the surplus
194 0 : if( aInsStr.Len() > aDelStr.Len() )
195 : {
196 0 : rIdx += aDelStr.Len();
197 0 : pTxtNd->EraseText( rIdx, aInsStr.Len() - aDelStr.Len() );
198 0 : rIdx = nSttCntnt;
199 : }
200 :
201 0 : if( aDelStr.Len() )
202 : {
203 0 : String aTmpStr = OUString('1');
204 0 : sal_Unicode* pTmpStr = aTmpStr.GetBufferAccess();
205 :
206 0 : bool bOldExpFlg = pTxtNd->IsIgnoreDontExpand();
207 0 : pTxtNd->SetIgnoreDontExpand( true );
208 :
209 0 : ++rIdx;
210 0 : for( xub_StrLen n = 0; n < aDelStr.Len(); n++ )
211 : {
212 : // do it individually, to keep the attributes!
213 0 : *pTmpStr = aDelStr.GetChar( n );
214 0 : OUString const ins( pTxtNd->InsertText(aTmpStr, rIdx) );
215 : assert(ins.getLength() == 1); // cannot fail
216 0 : rIdx -= 2;
217 0 : pTxtNd->EraseText( rIdx, 1 );
218 0 : rIdx += 2;
219 0 : }
220 0 : pTxtNd->SetIgnoreDontExpand( bOldExpFlg );
221 0 : rIdx--;
222 : }
223 :
224 0 : if( pHistory )
225 : {
226 0 : if( pTxtNd->GetpSwpHints() )
227 0 : pTxtNd->ClearSwpHintsArr( false );
228 0 : pHistory->TmpRollback( pDoc, 0, false );
229 : }
230 :
231 0 : if( pAktPam->GetMark()->nContent.GetIndex() != nSttCntnt )
232 : {
233 0 : pAktPam->SetMark();
234 0 : pAktPam->GetMark()->nContent = nSttCntnt;
235 : }
236 :
237 0 : if( pRedlSaveData )
238 0 : SetSaveData( *pDoc, *pRedlSaveData );
239 0 : }
240 :
241 0 : void SwUndoOverwrite::RepeatImpl(::sw::RepeatContext & rContext)
242 : {
243 0 : SwPaM *const pAktPam = & rContext.GetRepeatPaM();
244 0 : if( !aInsStr.Len() || pAktPam->HasMark() )
245 0 : return;
246 :
247 0 : SwDoc & rDoc = rContext.GetDoc();
248 :
249 : {
250 0 : ::sw::GroupUndoGuard const undoGuard(rDoc.GetIDocumentUndoRedo());
251 0 : rDoc.Overwrite(*pAktPam, OUString(aInsStr.GetChar(0)));
252 : }
253 0 : for( xub_StrLen n = 1; n < aInsStr.Len(); ++n )
254 0 : rDoc.Overwrite( *pAktPam, OUString(aInsStr.GetChar(n)) );
255 : }
256 :
257 0 : void SwUndoOverwrite::RedoImpl(::sw::UndoRedoContext & rContext)
258 : {
259 0 : SwDoc *const pDoc = & rContext.GetDoc();
260 0 : SwPaM *const pAktPam(& rContext.GetCursorSupplier().CreateNewShellCursor());
261 :
262 0 : pAktPam->DeleteMark();
263 0 : pAktPam->GetPoint()->nNode = nSttNode;
264 0 : SwTxtNode* pTxtNd = pAktPam->GetNode()->GetTxtNode();
265 : OSL_ENSURE( pTxtNd, "Overwrite not in TextNode?" );
266 0 : SwIndex& rIdx = pAktPam->GetPoint()->nContent;
267 :
268 0 : if( pRedlSaveData )
269 : {
270 0 : rIdx.Assign( pTxtNd, nSttCntnt );
271 0 : pAktPam->SetMark();
272 0 : pAktPam->GetMark()->nContent += aInsStr.Len();
273 0 : pDoc->DeleteRedline( *pAktPam, false, USHRT_MAX );
274 0 : pAktPam->DeleteMark();
275 : }
276 0 : rIdx.Assign( pTxtNd, aDelStr.Len() ? nSttCntnt+1 : nSttCntnt );
277 :
278 0 : bool bOldExpFlg = pTxtNd->IsIgnoreDontExpand();
279 0 : pTxtNd->SetIgnoreDontExpand( true );
280 :
281 0 : for( xub_StrLen n = 0; n < aInsStr.Len(); n++ )
282 : {
283 : // do it individually, to keep the attributes!
284 : OUString const ins(
285 0 : pTxtNd->InsertText( OUString(aInsStr.GetChar(n)), rIdx,
286 0 : IDocumentContentOperations::INS_EMPTYEXPAND) );
287 : assert(ins.getLength() == 1); // cannot fail
288 0 : if( n < aDelStr.Len() )
289 : {
290 0 : rIdx -= 2;
291 0 : pTxtNd->EraseText( rIdx, 1 );
292 0 : rIdx += n+1 < aDelStr.Len() ? 2 : 1;
293 : }
294 0 : }
295 0 : pTxtNd->SetIgnoreDontExpand( bOldExpFlg );
296 :
297 : // get back old start position from UndoNodes array
298 0 : if( pHistory )
299 0 : pHistory->SetTmpEnd( pHistory->Count() );
300 0 : if( pAktPam->GetMark()->nContent.GetIndex() != nSttCntnt )
301 : {
302 0 : pAktPam->SetMark();
303 0 : pAktPam->GetMark()->nContent = nSttCntnt;
304 : }
305 0 : }
306 :
307 0 : SwRewriter SwUndoOverwrite::GetRewriter() const
308 : {
309 0 : SwRewriter aResult;
310 :
311 0 : String aString;
312 :
313 0 : aString += String(SW_RES(STR_START_QUOTE));
314 0 : aString += ShortenString(aInsStr, nUndoStringLength,
315 0 : String(SW_RES(STR_LDOTS)));
316 0 : aString += String(SW_RES(STR_END_QUOTE));
317 :
318 0 : aResult.AddRule(UndoArg1, aString);
319 :
320 0 : return aResult;
321 : }
322 :
323 : struct _UndoTransliterate_Data
324 : {
325 : String sText;
326 : SwHistory* pHistory;
327 : Sequence< sal_Int32 >* pOffsets;
328 : sal_uLong nNdIdx;
329 : xub_StrLen nStart, nLen;
330 :
331 0 : _UndoTransliterate_Data( sal_uLong nNd, xub_StrLen nStt, xub_StrLen nStrLen, const String& rTxt )
332 : : sText( rTxt ), pHistory( 0 ), pOffsets( 0 ),
333 0 : nNdIdx( nNd ), nStart( nStt ), nLen( nStrLen )
334 0 : {}
335 0 : ~_UndoTransliterate_Data() { delete pOffsets; delete pHistory; }
336 :
337 : void SetChangeAtNode( SwDoc& rDoc );
338 : };
339 :
340 0 : SwUndoTransliterate::SwUndoTransliterate(
341 : const SwPaM& rPam,
342 : const utl::TransliterationWrapper& rTrans )
343 0 : : SwUndo( UNDO_TRANSLITERATE ), SwUndRng( rPam ), nType( rTrans.getType() )
344 : {
345 0 : }
346 :
347 0 : SwUndoTransliterate::~SwUndoTransliterate()
348 : {
349 0 : for (size_t i = 0; i < aChanges.size(); ++i)
350 0 : delete aChanges[i];
351 0 : }
352 :
353 0 : void SwUndoTransliterate::UndoImpl(::sw::UndoRedoContext & rContext)
354 : {
355 0 : SwDoc & rDoc = rContext.GetDoc();
356 :
357 : // since the changes were added to the vector from the end of the string/node towards
358 : // the start, we need to revert them from the start towards the end now to keep the
359 : // offset information of the undo data in sync with the changing text.
360 : // Thus we need to iterate from the end of the vector to the start
361 0 : for (sal_Int32 i = aChanges.size() - 1; i >= 0; --i)
362 0 : aChanges[i]->SetChangeAtNode( rDoc );
363 :
364 0 : AddUndoRedoPaM(rContext, true);
365 0 : }
366 :
367 0 : void SwUndoTransliterate::RedoImpl(::sw::UndoRedoContext & rContext)
368 : {
369 0 : SwPaM & rPam( AddUndoRedoPaM(rContext) );
370 0 : DoTransliterate(rContext.GetDoc(), rPam);
371 0 : }
372 :
373 0 : void SwUndoTransliterate::RepeatImpl(::sw::RepeatContext & rContext)
374 : {
375 0 : DoTransliterate(rContext.GetDoc(), rContext.GetRepeatPaM());
376 0 : }
377 :
378 0 : void SwUndoTransliterate::DoTransliterate(SwDoc & rDoc, SwPaM & rPam)
379 : {
380 0 : utl::TransliterationWrapper aTrans( ::comphelper::getProcessComponentContext(), nType );
381 0 : rDoc.TransliterateText( rPam, aTrans );
382 0 : }
383 :
384 0 : void SwUndoTransliterate::AddChanges( SwTxtNode& rTNd,
385 : xub_StrLen nStart, xub_StrLen nLen,
386 : uno::Sequence <sal_Int32>& rOffsets )
387 : {
388 0 : long nOffsLen = rOffsets.getLength();
389 : _UndoTransliterate_Data* pNew = new _UndoTransliterate_Data(
390 0 : rTNd.GetIndex(), nStart, (xub_StrLen)nOffsLen,
391 0 : rTNd.GetTxt().copy(nStart, nLen));
392 :
393 0 : aChanges.push_back( pNew );
394 :
395 0 : const sal_Int32* pOffsets = rOffsets.getConstArray();
396 : // where did we need less memory ?
397 0 : const sal_Int32* p = pOffsets;
398 0 : for( long n = 0; n < nOffsLen; ++n, ++p )
399 0 : if( *p != ( nStart + n ))
400 : {
401 : // create the Offset array
402 0 : pNew->pOffsets = new Sequence <sal_Int32> ( nLen );
403 0 : sal_Int32* pIdx = pNew->pOffsets->getArray();
404 0 : p = pOffsets;
405 0 : long nMyOff, nNewVal = nStart;
406 0 : for( n = 0, nMyOff = nStart; n < nOffsLen; ++p, ++n, ++nMyOff )
407 : {
408 0 : if( *p < nMyOff )
409 : {
410 : // something is deleted
411 0 : nMyOff = *p;
412 0 : *(pIdx-1) = nNewVal++;
413 : }
414 0 : else if( *p > nMyOff )
415 : {
416 0 : for( ; *p > nMyOff; ++nMyOff )
417 0 : *pIdx++ = nNewVal;
418 0 : --nMyOff;
419 0 : --n;
420 0 : --p;
421 : }
422 : else
423 0 : *pIdx++ = nNewVal++;
424 : }
425 :
426 : // and then we need to save the attributes/bookmarks
427 : // but this data must moved every time to the last in the chain!
428 0 : for (size_t i = 0; i + 1 < aChanges.size(); ++i) // check all changes but not the current one
429 : {
430 0 : _UndoTransliterate_Data* pD = aChanges[i];
431 0 : if( pD->nNdIdx == pNew->nNdIdx && pD->pHistory )
432 : {
433 : // same node and have a history?
434 0 : pNew->pHistory = pD->pHistory;
435 0 : pD->pHistory = 0;
436 0 : break; // more can't exist
437 : }
438 : }
439 :
440 0 : if( !pNew->pHistory )
441 : {
442 0 : pNew->pHistory = new SwHistory;
443 0 : SwRegHistory aRHst( rTNd, pNew->pHistory );
444 : pNew->pHistory->CopyAttr( rTNd.GetpSwpHints(),
445 0 : pNew->nNdIdx, 0, rTNd.GetTxt().getLength(), false );
446 : }
447 0 : break;
448 : }
449 0 : }
450 :
451 0 : void _UndoTransliterate_Data::SetChangeAtNode( SwDoc& rDoc )
452 : {
453 0 : SwTxtNode* pTNd = rDoc.GetNodes()[ nNdIdx ]->GetTxtNode();
454 0 : if( pTNd )
455 : {
456 0 : Sequence <sal_Int32> aOffsets( pOffsets ? pOffsets->getLength() : nLen );
457 0 : if( pOffsets )
458 0 : aOffsets = *pOffsets;
459 : else
460 : {
461 0 : sal_Int32* p = aOffsets.getArray();
462 0 : for( xub_StrLen n = 0; n < nLen; ++n, ++p )
463 0 : *p = n + nStart;
464 : }
465 0 : pTNd->ReplaceTextOnly( nStart, nLen, sText, aOffsets );
466 :
467 0 : if( pHistory )
468 : {
469 0 : if( pTNd->GetpSwpHints() )
470 0 : pTNd->ClearSwpHintsArr( false );
471 0 : pHistory->TmpRollback( &rDoc, 0, false );
472 0 : pHistory->SetTmpEnd( pHistory->Count() );
473 0 : }
474 : }
475 99 : }
476 :
477 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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