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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 INCLUDED_SW_INC_UNDOBJ_HXX
20 : #define INCLUDED_SW_INC_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 OUString * pComment;
58 :
59 : void RemoveIdxFromSection( SwDoc&, sal_uLong nSttIdx, sal_uLong* pEndIdx = 0 );
60 : void RemoveIdxFromRange( SwPaM& rPam, bool bMoveNext );
61 : void RemoveIdxRel( sal_uLong, const SwPosition& );
62 :
63 : static bool CanRedlineGroup( SwRedlineSaveDatas& rCurr,
64 : const SwRedlineSaveDatas& rCheck,
65 : 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 SAL_OVERRIDE { 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() SAL_OVERRIDE;
88 : virtual void Redo() SAL_OVERRIDE;
89 : virtual void UndoWithContext(SfxUndoContext &) SAL_OVERRIDE;
90 : virtual void RedoWithContext(SfxUndoContext &) SAL_OVERRIDE;
91 : virtual void Repeat(SfxRepeatTarget &) SAL_OVERRIDE;
92 : virtual bool CanRepeat(SfxRepeatTarget &) const SAL_OVERRIDE;
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 OUString GetComment() const SAL_OVERRIDE;
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 bool FillSaveData( const SwPaM& rRange, SwRedlineSaveDatas& rSData,
118 : bool bDelRange = true, bool bCopyNext = true );
119 : static bool FillSaveDataForFmt( const SwPaM& , SwRedlineSaveDatas& );
120 : static void SetSaveData( SwDoc& rDoc, const SwRedlineSaveDatas& rSData );
121 : static 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 : // This class has to be inherited into an Undo-object if it saves content
141 : // for Redo/Undo...
142 : class SwUndoSaveCntnt
143 : {
144 : protected:
145 :
146 : SwHistory* pHistory;
147 :
148 : // Needed for deletion of content. For Redo content is moved into the
149 : // UndoNodesArray. These methods always create a new node to insert
150 : // content. So the attributes do not get expanded.
151 : // MoveTo: moves from the NodesArray into the UndoNodesArray.
152 : // MoveFrom: moves from the UndoNodesArray into the NodesArray.
153 : void MoveToUndoNds( SwPaM& rPam,
154 : SwNodeIndex* pNodeIdx = 0,
155 : sal_uLong* pEndNdIdx = 0, sal_Int32 * pEndCntIdx = 0 );
156 : void MoveFromUndoNds( SwDoc& rDoc, sal_uLong nNodeIdx,
157 : SwPosition& rInsPos,
158 : sal_uLong* pEndNdIdx = 0, sal_Int32 * pEndCntIdx = 0 );
159 :
160 : // These two methods move the SPoint back/forth from PaM. With it
161 : // a range can be spanned for Undo/Redo. (In this case the SPoint
162 : // is before the manipulated range!!)
163 : // The flag indicates if there is content before the SPoint.
164 : bool MovePtBackward( SwPaM& rPam );
165 : void MovePtForward( SwPaM& rPam, bool bMvBkwrd );
166 :
167 : // Before moving stuff into UndoNodes-Array care has to be taken that
168 : // the content-bearing attributes are removed from the nodes-array.
169 : void DelCntntIndex( const SwPosition& pMark, const SwPosition& pPoint,
170 : DelCntntType nDelCntntType = nsDelCntntType::DELCNT_ALL );
171 :
172 : public:
173 : SwUndoSaveCntnt();
174 : ~SwUndoSaveCntnt();
175 : };
176 :
177 : // Save a complete section in nodes-array.
178 : class SwUndoSaveSection : private SwUndoSaveCntnt
179 : {
180 : SwNodeIndex *pMvStt;
181 : SwRedlineSaveDatas* pRedlSaveData;
182 : sal_uLong nMvLen; // Index into UndoNodes-Array.
183 : sal_uLong nStartPos;
184 :
185 : protected:
186 0 : SwNodeIndex* GetMvSttIdx() const { return pMvStt; }
187 0 : sal_uLong GetMvNodeCnt() const { return nMvLen; }
188 :
189 : public:
190 : SwUndoSaveSection();
191 : ~SwUndoSaveSection();
192 :
193 : void SaveSection( SwDoc* pDoc, const SwNodeIndex& rSttIdx );
194 : void SaveSection( SwDoc* pDoc, const SwNodeRange& rRange );
195 : void RestoreSection( SwDoc* pDoc, SwNodeIndex* pIdx, sal_uInt16 nSectType );
196 : void RestoreSection( SwDoc* pDoc, const SwNodeIndex& rInsPos );
197 :
198 : const SwHistory* GetHistory() const { return pHistory; }
199 0 : SwHistory* GetHistory() { return pHistory; }
200 : };
201 :
202 : // This class saves the PaM as sal_uInt16's and is able to restore it
203 : // into a PaM.
204 : class SwUndRng
205 : {
206 : public:
207 : sal_uLong nSttNode, nEndNode;
208 : sal_Int32 nSttCntnt, nEndCntnt;
209 :
210 : SwUndRng();
211 : SwUndRng( const SwPaM& );
212 :
213 : void SetValues( const SwPaM& rPam );
214 : void SetPaM( SwPaM&, bool bCorrToCntnt = false ) const;
215 : SwPaM & AddUndoRedoPaM(
216 : ::sw::UndoRedoContext &, bool const bCorrToCntnt = false) const;
217 : };
218 :
219 : class SwUndoInsLayFmt;
220 :
221 : // base class for insertion of Document, Glossaries and Copy
222 : class SwUndoInserts : public SwUndo, public SwUndRng, private SwUndoSaveCntnt
223 : {
224 : SwTxtFmtColl *pTxtFmtColl, *pLastNdColl;
225 : std::vector<SwFrmFmt*>* pFrmFmts;
226 : ::std::vector< ::boost::shared_ptr<SwUndoInsLayFmt> > m_FlyUndos;
227 : SwRedlineData* pRedlData;
228 : bool bSttWasTxtNd;
229 : protected:
230 : sal_uLong nNdDiff;
231 : /// start of Content in UndoNodes for Redo
232 : ::boost::scoped_ptr<SwNodeIndex> m_pUndoNodeIndex;
233 : sal_uInt16 nSetPos; // Start in the history list.
234 :
235 : SwUndoInserts( SwUndoId nUndoId, const SwPaM& );
236 : public:
237 : virtual ~SwUndoInserts();
238 :
239 : virtual void UndoImpl( ::sw::UndoRedoContext & ) SAL_OVERRIDE;
240 : virtual void RedoImpl( ::sw::UndoRedoContext & ) SAL_OVERRIDE;
241 : virtual void RepeatImpl( ::sw::RepeatContext & ) SAL_OVERRIDE;
242 :
243 : // Set destination range after reading.
244 : void SetInsertRange( const SwPaM&, bool bScanFlys = true,
245 : bool bSttWasTxtNd = true );
246 : };
247 :
248 0 : class SwUndoInsDoc : public SwUndoInserts
249 : {
250 : public:
251 : SwUndoInsDoc( const SwPaM& );
252 : };
253 :
254 0 : class SwUndoCpyDoc : public SwUndoInserts
255 : {
256 : public:
257 : SwUndoCpyDoc( const SwPaM& );
258 : };
259 :
260 : class SwUndoFlyBase : public SwUndo, private SwUndoSaveSection
261 : {
262 : protected:
263 : SwFrmFmt* pFrmFmt; // The saved FlyFormat.
264 : sal_uLong nNdPgPos;
265 : sal_Int32 nCntPos; // Page at/in paragraph.
266 : sal_uInt16 nRndId;
267 : bool bDelFmt; // Delete saved format.
268 :
269 : void InsFly(::sw::UndoRedoContext & rContext, bool bShowSel = true);
270 : void DelFly( SwDoc* );
271 :
272 : SwUndoFlyBase( SwFrmFmt* pFormat, SwUndoId nUndoId );
273 :
274 0 : SwNodeIndex* GetMvSttIdx() const { return SwUndoSaveSection::GetMvSttIdx(); }
275 0 : sal_uLong GetMvNodeCnt() const { return SwUndoSaveSection::GetMvNodeCnt(); }
276 :
277 : public:
278 : virtual ~SwUndoFlyBase();
279 :
280 : };
281 :
282 : class SwUndoInsLayFmt : public SwUndoFlyBase
283 : {
284 : sal_uLong mnCrsrSaveIndexPara; // Cursor position
285 : sal_Int32 mnCrsrSaveIndexPos; // for undo
286 : public:
287 : SwUndoInsLayFmt( SwFrmFmt* pFormat, sal_uLong nNodeIdx, sal_Int32 nCntIdx );
288 :
289 : virtual ~SwUndoInsLayFmt();
290 :
291 : virtual void UndoImpl( ::sw::UndoRedoContext & ) SAL_OVERRIDE;
292 : virtual void RedoImpl( ::sw::UndoRedoContext & ) SAL_OVERRIDE;
293 : virtual void RepeatImpl( ::sw::RepeatContext & ) SAL_OVERRIDE;
294 :
295 : virtual OUString GetComment() const SAL_OVERRIDE;
296 :
297 : };
298 :
299 0 : class SwUndoDelLayFmt : public SwUndoFlyBase
300 : {
301 : bool bShowSelFrm;
302 : public:
303 : SwUndoDelLayFmt( SwFrmFmt* pFormat );
304 :
305 : virtual void UndoImpl( ::sw::UndoRedoContext & ) SAL_OVERRIDE;
306 : virtual void RedoImpl( ::sw::UndoRedoContext & ) SAL_OVERRIDE;
307 :
308 : void RedoForRollback();
309 :
310 0 : void ChgShowSel( bool bNew ) { bShowSelFrm = bNew; }
311 :
312 : virtual SwRewriter GetRewriter() const SAL_OVERRIDE;
313 :
314 : };
315 :
316 : #endif
317 :
318 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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