sw/source/core/undo/unmove.cxx

   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 <UndoSplitMove.hxx>
  21 #include <doc.hxx>
  22 #include <IDocumentUndoRedo.hxx>
  23 #include <pam.hxx>
  24 #include <swundo.hxx>
  25 #include <ndtxt.hxx>
  26 #include <UndoCore.hxx>
  27 #include <rolbck.hxx>
  28
  29 // MOVE
  30 SwUndoMove::SwUndoMove( const SwPaM& rRange, const SwPosition& rMvPos )
  31     : SwUndo( UNDO_MOVE ), SwUndRng( rRange ),
  32     nMvDestNode( rMvPos.nNode.GetIndex() ),
  33     nMvDestCntnt( rMvPos.nContent.GetIndex() ),
  34     bMoveRedlines( false )
  35 {
  36     bMoveRange = bJoinNext = bJoinPrev = sal_False;
  37
  38     // get StartNode from footnotes before delete!
  39     SwDoc* pDoc = rRange.GetDoc();
  40     SwTxtNode* pTxtNd = pDoc->GetNodes()[ nSttNode ]->GetTxtNode();
  41     SwTxtNode* pEndTxtNd = pDoc->GetNodes()[ nEndNode ]->GetTxtNode();
  42
  43     pHistory = new SwHistory;
  44
  45     if( pTxtNd )
  46     {
  47         pHistory->Add( pTxtNd->GetTxtColl(), nSttNode, ND_TEXTNODE );
  48         if ( pTxtNd->GetpSwpHints() )
  49         {
  50             pHistory->CopyAttr( pTxtNd->GetpSwpHints(), nSttNode,
  51                                 0, pTxtNd->GetTxt().Len(), false );
  52         }
  53         if( pTxtNd->HasSwAttrSet() )
  54             pHistory->CopyFmtAttr( *pTxtNd->GetpSwAttrSet(), nSttNode );
  55     }
  56     if( pEndTxtNd && pEndTxtNd != pTxtNd )
  57     {
  58         pHistory->Add( pEndTxtNd->GetTxtColl(), nEndNode, ND_TEXTNODE );
  59         if ( pEndTxtNd->GetpSwpHints() )
  60         {
  61             pHistory->CopyAttr( pEndTxtNd->GetpSwpHints(), nEndNode,
  62                                 0, pEndTxtNd->GetTxt().Len(), false );
  63         }
  64         if( pEndTxtNd->HasSwAttrSet() )
  65             pHistory->CopyFmtAttr( *pEndTxtNd->GetpSwAttrSet(), nEndNode );
  66     }
  67
  68     pTxtNd = rMvPos.nNode.GetNode().GetTxtNode();
  69     if (0 != pTxtNd)
  70     {
  71         pHistory->Add( pTxtNd->GetTxtColl(), nMvDestNode, ND_TEXTNODE );
  72         if ( pTxtNd->GetpSwpHints() )
  73         {
  74             pHistory->CopyAttr( pTxtNd->GetpSwpHints(), nMvDestNode,
  75                                 0, pTxtNd->GetTxt().Len(), false );
  76         }
  77         if( pTxtNd->HasSwAttrSet() )
  78             pHistory->CopyFmtAttr( *pTxtNd->GetpSwAttrSet(), nMvDestNode );
  79     }
  80
  81     nFtnStt = pHistory->Count();
  82     DelFtn( rRange );
  83
  84     if( pHistory && !pHistory->Count() )
  85         DELETEZ( pHistory );
  86 }
  87
  88 SwUndoMove::SwUndoMove( SwDoc* pDoc, const SwNodeRange& rRg,
  89                         const SwNodeIndex& rMvPos )
  90     : SwUndo( UNDO_MOVE ),
  91     nMvDestNode( rMvPos.GetIndex() ),
  92     bMoveRedlines( false )
  93 {
  94     bMoveRange = sal_True;
  95     bJoinNext = bJoinPrev = sal_False;
  96
  97     nSttCntnt = nEndCntnt = nMvDestCntnt = STRING_MAXLEN;
  98
  99     nSttNode = rRg.aStart.GetIndex();
 100     nEndNode = rRg.aEnd.GetIndex();
 101
 102 //  DelFtn( rRange );
 103 // FIXME: duplication of the method body of DelFtn below
 104
 105     // is the current move from CntntArea into the special section?
 106     sal_uLong nCntntStt = pDoc->GetNodes().GetEndOfAutotext().GetIndex();
 107     if( nMvDestNode < nCntntStt && rRg.aStart.GetIndex() > nCntntStt )
 108     {
 109         // delete all footnotes since they are undesired there
 110         SwPosition aPtPos( rRg.aEnd );
 111         SwCntntNode* pCNd = rRg.aEnd.GetNode().GetCntntNode();
 112         if( pCNd )
 113             aPtPos.nContent.Assign( pCNd, pCNd->Len() );
 114         SwPosition aMkPos( rRg.aStart );
 115         if( 0 != ( pCNd = aMkPos.nNode.GetNode().GetCntntNode() ))
 116             aMkPos.nContent.Assign( pCNd, 0 );
 117
 118         DelCntntIndex( aMkPos, aPtPos, nsDelCntntType::DELCNT_FTN );
 119
 120         if( pHistory && !pHistory->Count() )
 121             DELETEZ( pHistory );
 122     }
 123
 124     nFtnStt = 0;
 125 }
 126
 127 void SwUndoMove::SetDestRange( const SwPaM& rRange,
 128                                 const SwPosition& rInsPos,
 129                                 sal_Bool bJoin, sal_Bool bCorrPam )
 130 {
 131     const SwPosition *pStt = rRange.Start(),
 132                     *pEnd = rRange.GetPoint() == pStt
 133                         ? rRange.GetMark()
 134                         : rRange.GetPoint();
 135
 136     nDestSttNode    = pStt->nNode.GetIndex();
 137     nDestSttCntnt   = pStt->nContent.GetIndex();
 138     nDestEndNode    = pEnd->nNode.GetIndex();
 139     nDestEndCntnt   = pEnd->nContent.GetIndex();
 140
 141     nInsPosNode     = rInsPos.nNode.GetIndex();
 142     nInsPosCntnt    = rInsPos.nContent.GetIndex();
 143
 144     if( bCorrPam )
 145     {
 146         nDestSttNode--;
 147         nDestEndNode--;
 148     }
 149
 150     bJoinNext = nDestSttNode != nDestEndNode &&
 151                 pStt->nNode.GetNode().GetTxtNode() &&
 152                 pEnd->nNode.GetNode().GetTxtNode();
 153     bJoinPrev = bJoin;
 154 }
 155
 156 void SwUndoMove::SetDestRange( const SwNodeIndex& rStt,
 157                                 const SwNodeIndex& rEnd,
 158                                 const SwNodeIndex& rInsPos )
 159 {
 160     nDestSttNode = rStt.GetIndex();
 161     nDestEndNode = rEnd.GetIndex();
 162     if( nDestSttNode > nDestEndNode )
 163     {
 164         nDestSttNode = nDestEndNode;
 165         nDestEndNode = rStt.GetIndex();
 166     }
 167     nInsPosNode  = rInsPos.GetIndex();
 168
 169     nDestSttCntnt = nDestEndCntnt = nInsPosCntnt = STRING_MAXLEN;
 170 }
 171
 172 void SwUndoMove::UndoImpl(::sw::UndoRedoContext & rContext)
 173 {
 174     SwDoc *const pDoc = & rContext.GetDoc();
 175
 176     // Block so that we can jump out of it
 177     do {
 178         // create index position and section based on the existing values
 179         SwNodeIndex aIdx( pDoc->GetNodes(), nDestSttNode );
 180
 181         if( bMoveRange )
 182         {
 183             // only a move with SwRange
 184             SwNodeRange aRg( aIdx, aIdx );
 185             aRg.aEnd = nDestEndNode;
 186             aIdx = nInsPosNode;
 187             bool bSuccess = pDoc->MoveNodeRange( aRg, aIdx,
 188                     IDocumentContentOperations::DOC_MOVEDEFAULT );
 189             if (!bSuccess)
 190                 break;
 191         }
 192         else
 193         {
 194             SwPaM aPam( aIdx.GetNode(), nDestSttCntnt,
 195                         *pDoc->GetNodes()[ nDestEndNode ], nDestEndCntnt );
 196
 197             // #i17764# if redlines are to be moved, we may not remove them
 198             // before pDoc->Move gets a chance to handle them
 199             if( ! bMoveRedlines )
 200                 RemoveIdxFromRange( aPam, sal_False );
 201
 202             SwPosition aPos( *pDoc->GetNodes()[ nInsPosNode] );
 203             SwCntntNode* pCNd = aPos.nNode.GetNode().GetCntntNode();
 204             aPos.nContent.Assign( pCNd, nInsPosCntnt );
 205
 206             if( pCNd->HasSwAttrSet() )
 207                 pCNd->ResetAllAttr();
 208
 209             if( pCNd->IsTxtNode() && ((SwTxtNode*)pCNd)->GetpSwpHints() )
 210                 ((SwTxtNode*)pCNd)->ClearSwpHintsArr( false );
 211
 212             // first delete all attributes at InsertPos
 213             const bool bSuccess = pDoc->MoveRange( aPam, aPos, (bMoveRedlines)
 214                         ? IDocumentContentOperations::DOC_MOVEREDLINES
 215                         : IDocumentContentOperations::DOC_MOVEDEFAULT );
 216             if (!bSuccess)
 217                 break;
 218
 219             aPam.Exchange();
 220             aPam.DeleteMark();
 221             if( aPam.GetNode()->IsCntntNode() )
 222                 aPam.GetNode()->GetCntntNode()->ResetAllAttr();
 223             // the Pam will be dropped now
 224         }
 225
 226         SwTxtNode* pTxtNd = aIdx.GetNode().GetTxtNode();
 227         if( bJoinNext )
 228         {
 229             {
 230                 RemoveIdxRel( aIdx.GetIndex() + 1, SwPosition( aIdx,
 231                         SwIndex( pTxtNd, pTxtNd->GetTxt().Len() ) ) );
 232             }
 233             // Are there any Pams in the next TextNode?
 234             pTxtNd->JoinNext();
 235         }
 236
 237         if( bJoinPrev && pTxtNd->CanJoinPrev( &aIdx ) )
 238         {
 239             // Are there any Pams in the next TextNode?
 240             pTxtNd = aIdx.GetNode().GetTxtNode();
 241             {
 242                 RemoveIdxRel( aIdx.GetIndex() + 1, SwPosition( aIdx,
 243                         SwIndex( pTxtNd, pTxtNd->GetTxt().Len() ) ) );
 244             }
 245             pTxtNd->JoinNext();
 246         }
 247
 248     } while( sal_False );
 249
 250     if( pHistory )
 251     {
 252         if( nFtnStt != pHistory->Count() )
 253             pHistory->Rollback( pDoc, nFtnStt );
 254         pHistory->TmpRollback( pDoc, 0 );
 255         pHistory->SetTmpEnd( pHistory->Count() );
 256     }
 257
 258     // set the cursor onto Undo area
 259     if( !bMoveRange )
 260     {
 261         AddUndoRedoPaM(rContext);
 262     }
 263 }
 264
 265 void SwUndoMove::RedoImpl(::sw::UndoRedoContext & rContext)
 266 {
 267     SwPaM *const pPam = & AddUndoRedoPaM(rContext);
 268     SwDoc & rDoc = rContext.GetDoc();
 269
 270     SwNodes& rNds = rDoc.GetNodes();
 271     SwNodeIndex aIdx( rNds, nMvDestNode );
 272
 273     if( bMoveRange )
 274     {
 275         // only a move with SwRange
 276         SwNodeRange aRg( rNds, nSttNode, rNds, nEndNode );
 277         rDoc.MoveNodeRange( aRg, aIdx, (bMoveRedlines)
 278                 ? IDocumentContentOperations::DOC_MOVEREDLINES
 279                 : IDocumentContentOperations::DOC_MOVEDEFAULT );
 280     }
 281     else
 282     {
 283         SwPaM aPam( *pPam->GetPoint() );
 284         SetPaM( aPam );
 285         SwPosition aMvPos( aIdx, SwIndex( aIdx.GetNode().GetCntntNode(),
 286                                         nMvDestCntnt ));
 287
 288         DelFtn( aPam );
 289         RemoveIdxFromRange( aPam, sal_False );
 290
 291         aIdx = aPam.Start()->nNode;
 292         sal_Bool bJoinTxt = aIdx.GetNode().IsTxtNode();
 293
 294         aIdx--;
 295         rDoc.MoveRange( aPam, aMvPos,
 296             IDocumentContentOperations::DOC_MOVEDEFAULT );
 297
 298         if( nSttNode != nEndNode && bJoinTxt )
 299         {
 300             ++aIdx;
 301             SwTxtNode * pTxtNd = aIdx.GetNode().GetTxtNode();
 302             if( pTxtNd && pTxtNd->CanJoinNext() )
 303             {
 304                 {
 305                     RemoveIdxRel( aIdx.GetIndex() + 1, SwPosition( aIdx,
 306                             SwIndex( pTxtNd, pTxtNd->GetTxt().Len() ) ) );
 307                 }
 308                 pTxtNd->JoinNext();
 309             }
 310         }
 311         *pPam->GetPoint() = *aPam.GetPoint();
 312         pPam->SetMark();
 313         *pPam->GetMark() = *aPam.GetMark();
 314     }
 315 }
 316
 317 void SwUndoMove::DelFtn( const SwPaM& rRange )
 318 {
 319     // is the current move from CntntArea into the special section?
 320     SwDoc* pDoc = rRange.GetDoc();
 321     sal_uLong nCntntStt = pDoc->GetNodes().GetEndOfAutotext().GetIndex();
 322     if( nMvDestNode < nCntntStt &&
 323         rRange.GetPoint()->nNode.GetIndex() >= nCntntStt )
 324     {
 325         // delete all footnotes since they are undesired there
 326         DelCntntIndex( *rRange.GetMark(), *rRange.GetPoint(),
 327                             nsDelCntntType::DELCNT_FTN );
 328
 329         if( pHistory && !pHistory->Count() )
 330             delete pHistory, pHistory = 0;
 331     }
 332 }
 333
 334 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */