summaryrefslogtreecommitdiff
path: root/sw/source/core/undo/SwUndoPageDesc.cxx
blob: 6962684ed8827aea07996b9c4545e945e8288833 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


#include <tools/resid.hxx>
#include <doc.hxx>
#include <IDocumentUndoRedo.hxx>
#include <swundo.hxx>
#include <pagedesc.hxx>
#include <SwUndoPageDesc.hxx>
#include <SwRewriter.hxx>
#include <undobj.hxx>
#include <comcore.hrc>
#include <fmtcntnt.hxx>
#include <fmthdft.hxx>

#if OSL_DEBUG_LEVEL > 1
#include <ndindex.hxx>
#endif


#if OSL_DEBUG_LEVEL > 1
// Pure debug help function to have a quick look at the header/footer attributes.
void DebugHeaderFooterContent( const SwPageDesc& rPageDesc )
{
    sal_uLong nHeaderMaster = ULONG_MAX;
    sal_uLong nHeaderLeft = ULONG_MAX;
    sal_uLong nFooterMaster = ULONG_MAX;
    sal_uLong nFooterLeft = ULONG_MAX;

    SwFmtHeader& rHead = (SwFmtHeader&)rPageDesc.GetMaster().GetHeader();
    SwFmtFooter& rFoot = (SwFmtFooter&)rPageDesc.GetMaster().GetFooter();
    SwFmtHeader& rLeftHead = (SwFmtHeader&)rPageDesc.GetLeft().GetHeader();
    SwFmtFooter& rLeftFoot = (SwFmtFooter&)rPageDesc.GetLeft().GetFooter();
    if( rHead.IsActive() )
    {
        SwFrmFmt* pHeaderFmt = rHead.GetHeaderFmt();
        if( pHeaderFmt )
        {
            const SwFmtCntnt* pCntnt = &pHeaderFmt->GetCntnt();
            if( pCntnt->GetCntntIdx() )
                nHeaderMaster = pCntnt->GetCntntIdx()->GetIndex();
            else
                nHeaderMaster = 0;
        }
        SwFrmFmt* pLeftHeaderFmt = rLeftHead.GetHeaderFmt();
        if( pLeftHeaderFmt )
        {
            const SwFmtCntnt* pLeftCntnt = &pLeftHeaderFmt->GetCntnt();
            if( pLeftCntnt->GetCntntIdx() )
                nHeaderLeft = pLeftCntnt->GetCntntIdx()->GetIndex();
            else
                nHeaderLeft = 0;
        }
    }
    if( rFoot.IsActive() )
    {
        SwFrmFmt* pFooterFmt = rFoot.GetFooterFmt();
        if( pFooterFmt )
        {
            const SwFmtCntnt* pCntnt = &pFooterFmt->GetCntnt();
            if( pCntnt->GetCntntIdx() )
                nFooterMaster = pCntnt->GetCntntIdx()->GetIndex();
            else
                nFooterMaster = 0;
        }
        SwFrmFmt* pLeftFooterFmt = rLeftFoot.GetFooterFmt();
        if( pLeftFooterFmt )
        {
            const SwFmtCntnt* pLeftCntnt = &pLeftFooterFmt->GetCntnt();
            if( pLeftCntnt->GetCntntIdx() )
                nFooterLeft = pLeftCntnt->GetCntntIdx()->GetIndex();
            else
                nFooterLeft = 0;
        }
    }

    (void)nHeaderMaster;
    (void)nHeaderLeft;
    (void)nFooterMaster;
    (void)nFooterLeft;
}
#endif

SwUndoPageDesc::SwUndoPageDesc(const SwPageDesc & _aOld,
                               const SwPageDesc & _aNew,
                               SwDoc * _pDoc)
    : SwUndo( _aOld.GetName() != _aNew.GetName() ?
              UNDO_RENAME_PAGEDESC :
              UNDO_CHANGE_PAGEDESC ),
      aOld(_aOld, _pDoc), aNew(_aNew, _pDoc), pDoc(_pDoc), bExchange( false )
{
    OSL_ENSURE(0 != pDoc, "no document?");

#if OSL_DEBUG_LEVEL > 1
    DebugHeaderFooterContent( (SwPageDesc&)aOld );
    DebugHeaderFooterContent( (SwPageDesc&)aNew );
#endif

    /*
    The page description changes.
    If there are no header/footer content changes like header on/off or change from shared content
    to unshared etc., there is no reason to duplicate the content nodes (Crash i55547)
    But this happens, this Undo Ctor will destroy the unnecessary duplicate and manipulate the
    content pointer of the both page descriptions.
    */
    SwPageDesc &rOldDesc = (SwPageDesc&)aOld;
    SwPageDesc &rNewDesc = (SwPageDesc&)aNew;
    const SwFmtHeader& rOldHead = rOldDesc.GetMaster().GetHeader();
    const SwFmtHeader& rNewHead = rNewDesc.GetMaster().GetHeader();
    const SwFmtFooter& rOldFoot = rOldDesc.GetMaster().GetFooter();
    const SwFmtFooter& rNewFoot = rNewDesc.GetMaster().GetFooter();
    /* bExchange must not be set, if the old page descriptor will stay active.
    Two known situations:
    #i67735#: renaming a page descriptor
    #i67334#: changing the follow style
    If header/footer will be activated or deactivated, this undo will not work.
    */
    bExchange = ( aOld.GetName() == aNew.GetName() ) &&
        ( _aOld.GetFollow() == _aNew.GetFollow() ) &&
        ( rOldHead.IsActive() == rNewHead.IsActive() ) &&
        ( rOldFoot.IsActive() == rNewFoot.IsActive() );
    if( rOldHead.IsActive() && ( rOldDesc.IsHeaderShared() != rNewDesc.IsHeaderShared() ) )
        bExchange = false;
    if( rOldFoot.IsActive() && ( rOldDesc.IsFooterShared() != rNewDesc.IsFooterShared() ) )
        bExchange = false;
    if( ( rOldHead.IsActive() || rOldFoot.IsActive() ) && ( rOldDesc.IsFirstShared() != rNewDesc.IsFirstShared() ) )
        bExchange = false;
    if( bExchange )
    {
        if( rNewHead.IsActive() )
        {
            SwFrmFmt* pFormat = new SwFrmFmt( *rNewHead.GetHeaderFmt() );
            // The Ctor of this object will remove the duplicate!
            SwFmtHeader aFmtHeader( pFormat );
            if( !rNewDesc.IsHeaderShared() )
            {
                pFormat = new SwFrmFmt( *rNewDesc.GetLeft().GetHeader().GetHeaderFmt() );
                // The Ctor of this object will remove the duplicate!
                SwFmtHeader aFormatHeader( pFormat );
            }
            if( !rNewDesc.IsFirstShared() )
            {
                pFormat = new SwFrmFmt( *rNewDesc.GetFirst().GetHeader().GetHeaderFmt() );
                // The Ctor of this object will remove the duplicate!
                SwFmtHeader aFormatHeader( pFormat );
            }
        }
        // Same procedure for footers...
        if( rNewFoot.IsActive() )
        {
            SwFrmFmt* pFormat = new SwFrmFmt( *rNewFoot.GetFooterFmt() );
            // The Ctor of this object will remove the duplicate!
            SwFmtFooter aFmtFooter( pFormat );
            if( !rNewDesc.IsFooterShared() )
            {
                pFormat = new SwFrmFmt( *rNewDesc.GetLeft().GetFooter().GetFooterFmt() );
                // The Ctor of this object will remove the duplicate!
                SwFmtFooter aFormatFooter( pFormat );
            }
            if( !rNewDesc.IsFirstShared() )
            {
                pFormat = new SwFrmFmt( *rNewDesc.GetFirst().GetFooter().GetFooterFmt() );
                // The Ctor of this object will remove the duplicate!
                SwFmtFooter aFormatFooter( pFormat );
            }
        }

        // After this exchange method the old page description will point to zero,
        // the new one will point to the node position of the original content nodes.
        ExchangeContentNodes( (SwPageDesc&)aOld, (SwPageDesc&)aNew );
#if OSL_DEBUG_LEVEL > 1
        DebugHeaderFooterContent( (SwPageDesc&)aOld );
        DebugHeaderFooterContent( (SwPageDesc&)aNew );
#endif
    }
}

SwUndoPageDesc::~SwUndoPageDesc()
{
}


void SwUndoPageDesc::ExchangeContentNodes( SwPageDesc& rSource, SwPageDesc &rDest )
{
    OSL_ENSURE( bExchange, "You shouldn't do that." );
    const SwFmtHeader& rDestHead = rDest.GetMaster().GetHeader();
    const SwFmtHeader& rSourceHead = rSource.GetMaster().GetHeader();
    if( rDestHead.IsActive() )
    {
        // Let the destination page descrition point to the source node position,
        // from now on this descriptor is responsible for the content nodes!
        const SfxPoolItem* pItem;
        rDest.GetMaster().GetAttrSet().GetItemState( RES_HEADER, sal_False, &pItem );
        SfxPoolItem *pNewItem = pItem->Clone();
        SwFrmFmt* pNewFmt = ((SwFmtHeader*)pNewItem)->GetHeaderFmt();
#if OSL_DEBUG_LEVEL > 1
        const SwFmtCntnt& rSourceCntnt = rSourceHead.GetHeaderFmt()->GetCntnt();
        (void)rSourceCntnt;
        const SwFmtCntnt& rDestCntnt = rDestHead.GetHeaderFmt()->GetCntnt();
        (void)rDestCntnt;
#endif
        pNewFmt->SetFmtAttr( rSourceHead.GetHeaderFmt()->GetCntnt() );
        delete pNewItem;

        // Let the source page description point to zero node position,
        // it loses the responsible and can be destroyed without removing the content nodes.
        rSource.GetMaster().GetAttrSet().GetItemState( RES_HEADER, sal_False, &pItem );
        pNewItem = pItem->Clone();
        pNewFmt = ((SwFmtHeader*)pNewItem)->GetHeaderFmt();
        pNewFmt->SetFmtAttr( SwFmtCntnt() );
        delete pNewItem;

        if( !rDest.IsHeaderShared() )
        {
            // Same procedure for unshared header..
            const SwFmtHeader& rSourceLeftHead = rSource.GetLeft().GetHeader();
            rDest.GetLeft().GetAttrSet().GetItemState( RES_HEADER, sal_False, &pItem );
            pNewItem = pItem->Clone();
            pNewFmt = ((SwFmtHeader*)pNewItem)->GetHeaderFmt();
#if OSL_DEBUG_LEVEL > 1
            const SwFmtCntnt& rSourceCntnt1 = rSourceLeftHead.GetHeaderFmt()->GetCntnt();
            (void)rSourceCntnt1;
            const SwFmtCntnt& rDestCntnt1 = rDest.GetLeft().GetHeader().GetHeaderFmt()->GetCntnt();
            (void)rDestCntnt1;
#endif
            pNewFmt->SetFmtAttr( rSourceLeftHead.GetHeaderFmt()->GetCntnt() );
            delete pNewItem;
            rSource.GetLeft().GetAttrSet().GetItemState( RES_HEADER, sal_False, &pItem );
            pNewItem = pItem->Clone();
            pNewFmt = ((SwFmtHeader*)pNewItem)->GetHeaderFmt();
            pNewFmt->SetFmtAttr( SwFmtCntnt() );
            delete pNewItem;
        }
    }
    // Same procedure for footers...
    const SwFmtFooter& rDestFoot = rDest.GetMaster().GetFooter();
    const SwFmtFooter& rSourceFoot = rSource.GetMaster().GetFooter();
    if( rDestFoot.IsActive() )
    {
        const SfxPoolItem* pItem;
        rDest.GetMaster().GetAttrSet().GetItemState( RES_FOOTER, sal_False, &pItem );
        SfxPoolItem *pNewItem = pItem->Clone();
        SwFrmFmt *pNewFmt = ((SwFmtFooter*)pNewItem)->GetFooterFmt();
        pNewFmt->SetFmtAttr( rSourceFoot.GetFooterFmt()->GetCntnt() );
        delete pNewItem;

#if OSL_DEBUG_LEVEL > 1
        const SwFmtCntnt& rFooterSourceCntnt = rSourceFoot.GetFooterFmt()->GetCntnt();
        (void)rFooterSourceCntnt;
        const SwFmtCntnt& rFooterDestCntnt = rDestFoot.GetFooterFmt()->GetCntnt();
        (void)rFooterDestCntnt;
#endif
        rSource.GetMaster().GetAttrSet().GetItemState( RES_FOOTER, sal_False, &pItem );
        pNewItem = pItem->Clone();
        pNewFmt = ((SwFmtFooter*)pNewItem)->GetFooterFmt();
        pNewFmt->SetFmtAttr( SwFmtCntnt() );
        delete pNewItem;

        if( !rDest.IsFooterShared() )
        {
            const SwFmtFooter& rSourceLeftFoot = rSource.GetLeft().GetFooter();
#if OSL_DEBUG_LEVEL > 1
            const SwFmtCntnt& rFooterSourceCntnt2 = rSourceLeftFoot.GetFooterFmt()->GetCntnt();
            const SwFmtCntnt& rFooterDestCntnt2 =
                rDest.GetLeft().GetFooter().GetFooterFmt()->GetCntnt();
            (void)rFooterSourceCntnt2;
            (void)rFooterDestCntnt2;
#endif
            rDest.GetLeft().GetAttrSet().GetItemState( RES_FOOTER, sal_False, &pItem );
            pNewItem = pItem->Clone();
            pNewFmt = ((SwFmtFooter*)pNewItem)->GetFooterFmt();
            pNewFmt->SetFmtAttr( rSourceLeftFoot.GetFooterFmt()->GetCntnt() );
            delete pNewItem;
            rSource.GetLeft().GetAttrSet().GetItemState( RES_FOOTER, sal_False, &pItem );
            pNewItem = pItem->Clone();
            pNewFmt = ((SwFmtFooter*)pNewItem)->GetFooterFmt();
            pNewFmt->SetFmtAttr( SwFmtCntnt() );
            delete pNewItem;
        }
    }
}

void SwUndoPageDesc::UndoImpl(::sw::UndoRedoContext &)
{
    // Move (header/footer)content node responsibility from new page descriptor to old one again.
    if( bExchange )
        ExchangeContentNodes( (SwPageDesc&)aNew, (SwPageDesc&)aOld );
    pDoc->ChgPageDesc(aOld.GetName(), aOld);
}

void SwUndoPageDesc::RedoImpl(::sw::UndoRedoContext &)
{
    // Move (header/footer)content node responsibility from old page descriptor to new one again.
    if( bExchange )
        ExchangeContentNodes( (SwPageDesc&)aOld, (SwPageDesc&)aNew );
    pDoc->ChgPageDesc(aNew.GetName(), aNew);
}

SwRewriter SwUndoPageDesc::GetRewriter() const
{
    SwRewriter aResult;

    aResult.AddRule(UndoArg1, aOld.GetName());
    aResult.AddRule(UndoArg2, SW_RESSTR(STR_YIELDS));
    aResult.AddRule(UndoArg3, aNew.GetName());

    return aResult;
}

// #116530#
SwUndoPageDescCreate::SwUndoPageDescCreate(const SwPageDesc * pNew,
                                           SwDoc * _pDoc)
    : SwUndo(UNDO_CREATE_PAGEDESC), pDesc(pNew), aNew(*pNew, _pDoc),
      pDoc(_pDoc)
{
    OSL_ENSURE(0 != pDoc, "no document?");
}

SwUndoPageDescCreate::~SwUndoPageDescCreate()
{
}

void SwUndoPageDescCreate::UndoImpl(::sw::UndoRedoContext &)
{
    // -> #116530#
    if (pDesc)
    {
        aNew = *pDesc;
        pDesc = NULL;
    }
    // <- #116530#

    pDoc->DelPageDesc(aNew.GetName(), true);
}

void SwUndoPageDescCreate::DoImpl()
{
    SwPageDesc aPageDesc = aNew;
    pDoc->MakePageDesc(aNew.GetName(), &aPageDesc, false, true); // #116530#
}

void SwUndoPageDescCreate::RedoImpl(::sw::UndoRedoContext &)
{
    DoImpl();
}

void SwUndoPageDescCreate::RepeatImpl(::sw::RepeatContext &)
{
    ::sw::UndoGuard const undoGuard(pDoc->GetIDocumentUndoRedo());
    DoImpl();
}

SwRewriter SwUndoPageDescCreate::GetRewriter() const
{
    SwRewriter aResult;

    if (pDesc)
        aResult.AddRule(UndoArg1, pDesc->GetName());
    else
        aResult.AddRule(UndoArg1, aNew.GetName());


    return aResult;
}

SwUndoPageDescDelete::SwUndoPageDescDelete(const SwPageDesc & _aOld,
                                           SwDoc * _pDoc)
    : SwUndo(UNDO_DELETE_PAGEDESC), aOld(_aOld, _pDoc), pDoc(_pDoc)
{
    OSL_ENSURE(0 != pDoc, "no document?");
}

SwUndoPageDescDelete::~SwUndoPageDescDelete()
{
}

void SwUndoPageDescDelete::UndoImpl(::sw::UndoRedoContext &)
{
    SwPageDesc aPageDesc = aOld;
    pDoc->MakePageDesc(aOld.GetName(), &aPageDesc, false, true); // #116530#
}

void SwUndoPageDescDelete::DoImpl()
{
    pDoc->DelPageDesc(aOld.GetName(), true); // #116530#
}

void SwUndoPageDescDelete::RedoImpl(::sw::UndoRedoContext &)
{
    DoImpl();
}

void SwUndoPageDescDelete::RepeatImpl(::sw::RepeatContext &)
{
    ::sw::UndoGuard const undoGuard(pDoc->GetIDocumentUndoRedo());
    DoImpl();
}

SwRewriter SwUndoPageDescDelete::GetRewriter() const
{
    SwRewriter aResult;

    aResult.AddRule(UndoArg1, aOld.GetName());

    return aResult;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */