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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 : #ifndef SW_UNDOBJ_HXX
20 : #define SW_UNDOBJ_HXX
21 :
22 : #include <vector>
23 :
24 : #include <boost/scoped_ptr.hpp>
25 : #include <boost/shared_ptr.hpp>
26 :
27 : #include <svl/undo.hxx>
28 :
29 : #include <SwRewriter.hxx>
30 : #include <swundo.hxx>
31 :
32 : class SwHistory;
33 : class SwIndex;
34 : class SwPaM;
35 : struct SwPosition;
36 : class SwDoc;
37 : class SwTxtFmtColl;
38 : class SwFrmFmt;
39 : class SwNodeIndex;
40 : class SwNodeRange;
41 : class SwRedlineData;
42 : class SwRedlineSaveDatas;
43 :
44 : namespace sw {
45 : class UndoRedoContext;
46 : class RepeatContext;
47 : }
48 :
49 : class SwUndo
50 : : public SfxUndoAction
51 : {
52 : SwUndoId const m_nId;
53 : sal_uInt16 nOrigRedlineMode;
54 :
55 : protected:
56 : bool bCacheComment;
57 : mutable String * pComment;
58 :
59 : void RemoveIdxFromSection( SwDoc&, sal_uLong nSttIdx, sal_uLong* pEndIdx = 0 );
60 : void RemoveIdxFromRange( SwPaM& rPam, sal_Bool bMoveNext );
61 : void RemoveIdxRel( sal_uLong, const SwPosition& );
62 :
63 : static sal_Bool CanRedlineGroup( SwRedlineSaveDatas& rCurr,
64 : const SwRedlineSaveDatas& rCheck,
65 : sal_Bool bCurrIsEnd );
66 :
67 : /**
68 : Returns the rewriter for this object.
69 :
70 : @return the rewriter for this object
71 : */
72 : virtual SwRewriter GetRewriter() const;
73 :
74 : // return type is sal_uInt16 because this overrides SfxUndoAction::GetId()
75 0 : virtual sal_uInt16 GetId() const { return static_cast<sal_uInt16>(m_nId); }
76 :
77 : // the 4 methods that derived classes have to override
78 : // base implementation does nothing
79 : virtual void RepeatImpl( ::sw::RepeatContext & );
80 : virtual bool CanRepeatImpl( ::sw::RepeatContext & ) const;
81 : public: // should not be public, but ran into trouble in untbl.cxx
82 : virtual void UndoImpl( ::sw::UndoRedoContext & ) = 0;
83 : virtual void RedoImpl( ::sw::UndoRedoContext & ) = 0;
84 :
85 : private:
86 : // SfxUndoAction
87 : virtual void Undo();
88 : virtual void Redo();
89 : virtual void UndoWithContext(SfxUndoContext &);
90 : virtual void RedoWithContext(SfxUndoContext &);
91 : virtual void Repeat(SfxRepeatTarget &);
92 : virtual sal_Bool CanRepeat(SfxRepeatTarget &) const;
93 :
94 : public:
95 : SwUndo(SwUndoId const nId);
96 : virtual ~SwUndo();
97 :
98 : /**
99 : Returns textual comment for this undo object.
100 :
101 : The textual comment is created from the resource string
102 : corresponding to this object's ID. The rewriter of this object
103 : is applied to the resource string to get the final comment.
104 :
105 : @return textual comment for this undo object
106 : */
107 : virtual rtl::OUString GetComment() const;
108 :
109 : // UndoObject remembers which mode was turned on.
110 : // In Undo/Redo/Repeat this remembered mode is switched on.
111 0 : sal_uInt16 GetRedlineMode() const { return nOrigRedlineMode; }
112 0 : void SetRedlineMode( sal_uInt16 eMode ) { nOrigRedlineMode = eMode; }
113 :
114 : bool IsDelBox() const;
115 :
116 : // Save and set Redline data.
117 : static sal_Bool FillSaveData( const SwPaM& rRange, SwRedlineSaveDatas& rSData,
118 : sal_Bool bDelRange = sal_True, sal_Bool bCopyNext = sal_True );
119 : static sal_Bool FillSaveDataForFmt( const SwPaM& , SwRedlineSaveDatas& );
120 : static void SetSaveData( SwDoc& rDoc, const SwRedlineSaveDatas& rSData );
121 : static sal_Bool HasHiddenRedlines( const SwRedlineSaveDatas& rSData );
122 : };
123 :
124 : typedef sal_uInt16 DelCntntType;
125 : namespace nsDelCntntType
126 : {
127 : const DelCntntType DELCNT_FTN = 0x01;
128 : const DelCntntType DELCNT_FLY = 0x02;
129 : const DelCntntType DELCNT_TOC = 0x04;
130 : const DelCntntType DELCNT_BKM = 0x08;
131 : const DelCntntType DELCNT_ALL = 0x0F;
132 : const DelCntntType DELCNT_CHKNOCNTNT = 0x80;
133 : }
134 :
135 : /// will DelCntntIndex destroy a frame anchored at character at rAnchorPos?
136 : bool IsDestroyFrameAnchoredAtChar(SwPosition const & rAnchorPos,
137 : SwPosition const & rStart, SwPosition const & rEnd,
138 : DelCntntType const nDelCntntType = nsDelCntntType::DELCNT_ALL);
139 :
140 :
141 : // This class has to be inherited into an Undo-object if it saves content
142 : // for Redo/Undo...
143 : class SwUndoSaveCntnt
144 : {
145 : protected:
146 :
147 : SwHistory* pHistory;
148 :
149 : // Needed for deletion of content. For Redo content is moved into the
150 : // UndoNodesArray. These methods always create a new node to insert
151 : // content. So the attributes do not get expanded.
152 : // MoveTo: moves from the NodesArray into the UndoNodesArray.
153 : // MoveFrom: moves from the UndoNodesArray into the NodesArray.
154 : void MoveToUndoNds( SwPaM& rPam,
155 : SwNodeIndex* pNodeIdx = 0,
156 : sal_uLong* pEndNdIdx = 0, xub_StrLen * pEndCntIdx = 0 );
157 : void MoveFromUndoNds( SwDoc& rDoc, sal_uLong nNodeIdx,
158 : SwPosition& rInsPos,
159 : sal_uLong* pEndNdIdx = 0, xub_StrLen * pEndCntIdx = 0 );
160 :
161 : // These two methods move the SPoint back/forth from PaM. With it
162 : // a range can be spanned for Undo/Redo. (In this case the SPoint
163 : // is before the manipulated range!!)
164 : // The flag indicates if there is content before the SPoint.
165 : sal_Bool MovePtBackward( SwPaM& rPam );
166 : void MovePtForward( SwPaM& rPam, sal_Bool bMvBkwrd );
167 :
168 : // Before moving stuff into UndoNodes-Array care has to be taken that
169 : // the content-bearing attributes are removed from the nodes-array.
170 : void DelCntntIndex( const SwPosition& pMark, const SwPosition& pPoint,
171 : DelCntntType nDelCntntType = nsDelCntntType::DELCNT_ALL );
172 :
173 : public:
174 : SwUndoSaveCntnt();
175 : ~SwUndoSaveCntnt();
176 : };
177 :
178 : // Save a complete section in nodes-array.
179 : class SwUndoSaveSection : private SwUndoSaveCntnt
180 : {
181 : SwNodeIndex *pMvStt;
182 : SwRedlineSaveDatas* pRedlSaveData;
183 : sal_uLong nMvLen; // Index into UndoNodes-Array.
184 : sal_uLong nStartPos;
185 :
186 : protected:
187 0 : SwNodeIndex* GetMvSttIdx() const { return pMvStt; }
188 0 : sal_uLong GetMvNodeCnt() const { return nMvLen; }
189 :
190 : public:
191 : SwUndoSaveSection();
192 : ~SwUndoSaveSection();
193 :
194 : void SaveSection( SwDoc* pDoc, const SwNodeIndex& rSttIdx );
195 : void SaveSection( SwDoc* pDoc, const SwNodeRange& rRange );
196 : void RestoreSection( SwDoc* pDoc, SwNodeIndex* pIdx, sal_uInt16 nSectType );
197 : void RestoreSection( SwDoc* pDoc, const SwNodeIndex& rInsPos );
198 :
199 : const SwHistory* GetHistory() const { return pHistory; }
200 0 : SwHistory* GetHistory() { return pHistory; }
201 : };
202 :
203 :
204 : // This class saves the PaM as sal_uInt16's and is able to restore it
205 : // into a PaM.
206 : class SwUndRng
207 : {
208 : public:
209 : sal_uLong nSttNode, nEndNode;
210 : xub_StrLen nSttCntnt, nEndCntnt;
211 :
212 : SwUndRng();
213 : SwUndRng( const SwPaM& );
214 :
215 : void SetValues( const SwPaM& rPam );
216 : void SetPaM( SwPaM&, sal_Bool bCorrToCntnt = sal_False ) const;
217 : SwPaM & AddUndoRedoPaM(
218 : ::sw::UndoRedoContext &, bool const bCorrToCntnt = false) const;
219 : };
220 :
221 :
222 : class SwUndoInsLayFmt;
223 :
224 : // base class for insertion of Document, Glossaries and Copy
225 : class SwUndoInserts : public SwUndo, public SwUndRng, private SwUndoSaveCntnt
226 : {
227 : SwTxtFmtColl *pTxtFmtColl, *pLastNdColl;
228 : std::vector<SwFrmFmt*>* pFrmFmts;
229 : ::std::vector< ::boost::shared_ptr<SwUndoInsLayFmt> > m_FlyUndos;
230 : SwRedlineData* pRedlData;
231 : sal_Bool bSttWasTxtNd;
232 : protected:
233 : sal_uLong nNdDiff;
234 : /// start of Content in UndoNodes for Redo
235 : ::boost::scoped_ptr<SwNodeIndex> m_pUndoNodeIndex;
236 : sal_uInt16 nSetPos; // Start in the history list.
237 :
238 : SwUndoInserts( SwUndoId nUndoId, const SwPaM& );
239 : public:
240 : virtual ~SwUndoInserts();
241 :
242 : virtual void UndoImpl( ::sw::UndoRedoContext & );
243 : virtual void RedoImpl( ::sw::UndoRedoContext & );
244 : virtual void RepeatImpl( ::sw::RepeatContext & );
245 :
246 : // Set destination range after reading.
247 : void SetInsertRange( const SwPaM&, sal_Bool bScanFlys = sal_True,
248 : sal_Bool bSttWasTxtNd = sal_True );
249 : };
250 :
251 0 : class SwUndoInsDoc : public SwUndoInserts
252 : {
253 : public:
254 : SwUndoInsDoc( const SwPaM& );
255 : };
256 :
257 0 : class SwUndoCpyDoc : public SwUndoInserts
258 : {
259 : public:
260 : SwUndoCpyDoc( const SwPaM& );
261 : };
262 :
263 : //--------------------------------------------------------------------
264 :
265 : class SwUndoFlyBase : public SwUndo, private SwUndoSaveSection
266 : {
267 : protected:
268 : SwFrmFmt* pFrmFmt; // The saved FlyFormat.
269 : sal_uLong nNdPgPos;
270 : xub_StrLen nCntPos; // Page at/in paragraph.
271 : sal_uInt16 nRndId;
272 : sal_Bool bDelFmt; // Delete saved format.
273 :
274 : void InsFly(::sw::UndoRedoContext & rContext, bool bShowSel = true);
275 : void DelFly( SwDoc* );
276 :
277 : SwUndoFlyBase( SwFrmFmt* pFormat, SwUndoId nUndoId );
278 :
279 0 : SwNodeIndex* GetMvSttIdx() const { return SwUndoSaveSection::GetMvSttIdx(); }
280 0 : sal_uLong GetMvNodeCnt() const { return SwUndoSaveSection::GetMvNodeCnt(); }
281 :
282 : public:
283 : virtual ~SwUndoFlyBase();
284 :
285 : };
286 :
287 : class SwUndoInsLayFmt : public SwUndoFlyBase
288 : {
289 : sal_uLong mnCrsrSaveIndexPara; // Cursor position
290 : xub_StrLen mnCrsrSaveIndexPos; // for undo
291 : public:
292 : SwUndoInsLayFmt( SwFrmFmt* pFormat, sal_uLong nNodeIdx, xub_StrLen nCntIdx );
293 :
294 : virtual ~SwUndoInsLayFmt();
295 :
296 : virtual void UndoImpl( ::sw::UndoRedoContext & );
297 : virtual void RedoImpl( ::sw::UndoRedoContext & );
298 : virtual void RepeatImpl( ::sw::RepeatContext & );
299 :
300 : virtual rtl::OUString GetComment() const;
301 :
302 : };
303 :
304 0 : class SwUndoDelLayFmt : public SwUndoFlyBase
305 : {
306 : sal_Bool bShowSelFrm;
307 : public:
308 : SwUndoDelLayFmt( SwFrmFmt* pFormat );
309 :
310 : virtual void UndoImpl( ::sw::UndoRedoContext & );
311 : virtual void RedoImpl( ::sw::UndoRedoContext & );
312 :
313 : void RedoForRollback();
314 :
315 0 : void ChgShowSel( sal_Bool bNew ) { bShowSelFrm = bNew; }
316 :
317 : virtual SwRewriter GetRewriter() const;
318 :
319 : };
320 :
321 : #endif
322 :
323 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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