sw/source/core/edit/eddel.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 <memory>
  21 #include <doc.hxx>
  22 #include <IDocumentUndoRedo.hxx>
  23 #include <IDocumentContentOperations.hxx>
  24 #include <editsh.hxx>
  25 #include <pam.hxx>
  26 #include <swundo.hxx>
  27 #include <undobj.hxx>
  28 #include <SwRewriter.hxx>
  29 #include <osl/diagnose.h>
  30
  31 #include <strings.hrc>
  32 #include <vector>
  33
  34 void SwEditShell::DeleteSel( SwPaM& rPam, bool* pUndo )
  35 {
  36     bool bSelectAll = StartsWithTable() && ExtendedSelectedAll();
  37     // only for selections
  38     if (!rPam.HasMark()
  39         || (*rPam.GetPoint() == *rPam.GetMark()
  40             && !IsFlySelectedByCursor(*GetDoc(), *rPam.Start(), *rPam.End())))
  41     {
  42         return;
  43     }
  44
  45     // Is the selection in a table? Then delete only the content of the selected boxes.
  46     // Here, there are two cases:
  47     // 1. Point and Mark are in one box, delete selection as usual
  48     // 2. Point and Mark are in different boxes, search all selected boxes and delete content
  49     // 3. Point and Mark are at the document start and end, Point is in a table: delete selection as usual
  50     if( rPam.GetNode().FindTableNode() &&
  51         rPam.GetNode().StartOfSectionNode() !=
  52         rPam.GetNode(false).StartOfSectionNode() && !bSelectAll )
  53     {
  54         // group the Undo in the table
  55         if( pUndo && !*pUndo )
  56         {
  57             GetDoc()->GetIDocumentUndoRedo().StartUndo( SwUndoId::START, nullptr );
  58             *pUndo = true;
  59         }
  60         SwPaM aDelPam( *rPam.Start() );
  61         const SwPosition* pEndSelPos = rPam.End();
  62         do {
  63             aDelPam.SetMark();
  64             SwNode& rNd = aDelPam.GetNode();
  65             const SwNode& rEndNd = *rNd.EndOfSectionNode();
  66             if( pEndSelPos->nNode.GetIndex() <= rEndNd.GetIndex() )
  67             {
  68                 *aDelPam.GetPoint() = *pEndSelPos;
  69                 pEndSelPos = nullptr;     // misuse a pointer as a flag
  70             }
  71             else
  72             {
  73                 // then go to the end of the selection
  74                 aDelPam.GetPoint()->nNode = rEndNd;
  75                 aDelPam.Move( fnMoveBackward, GoInContent );
  76             }
  77             // skip protected boxes
  78             if( !rNd.IsContentNode() ||
  79                 !rNd.IsInProtectSect() )
  80             {
  81                 // delete everything
  82                 GetDoc()->getIDocumentContentOperations().DeleteAndJoin( aDelPam );
  83                 SaveTableBoxContent( aDelPam.GetPoint() );
  84             }
  85
  86             if( !pEndSelPos ) // at the end of a selection
  87                 break;
  88             aDelPam.DeleteMark();
  89             aDelPam.Move( fnMoveForward, GoInContent ); // next box
  90         } while( pEndSelPos );
  91     }
  92     else
  93     {
  94         std::unique_ptr<SwPaM> pNewPam;
  95         SwPaM * pPam = &rPam;
  96         if (bSelectAll)
  97         {
  98             assert(dynamic_cast<SwShellCursor*>(&rPam)); // must be corrected pam
  99             pNewPam.reset(new SwPaM(*rPam.GetMark(), *rPam.GetPoint()));
 100             // Selection starts at the first para of the first cell, but we
 101             // want to delete the table node before the first cell as well.
 102             while (SwTableNode const* pTableNode =
 103                 pNewPam->Start()->nNode.GetNode().StartOfSectionNode()->FindTableNode())
 104             {
 105                 pNewPam->Start()->nNode = *pTableNode;
 106             }
 107             // tdf#133990 ensure section is included in SwUndoDelete
 108             while (SwSectionNode const* pSectionNode =
 109                 pNewPam->Start()->nNode.GetNode().StartOfSectionNode()->FindSectionNode())
 110             {
 111                 pNewPam->Start()->nNode = *pSectionNode;
 112             }
 113             pNewPam->Start()->nContent.Assign(nullptr, 0);
 114             pPam = pNewPam.get();
 115         }
 116         // delete everything
 117         GetDoc()->getIDocumentContentOperations().DeleteAndJoin(*pPam);
 118         SaveTableBoxContent( pPam->GetPoint() );
 119     }
 120
 121     // Selection is not needed anymore
 122     rPam.DeleteMark();
 123 }
 124
 125 bool SwEditShell::Delete()
 126 {
 127     CurrShell aCurr( this );
 128     bool bRet = false;
 129     if ( !HasReadonlySel() || CursorInsideInputField() )
 130     {
 131         StartAllAction();
 132
 133         bool bUndo = GetCursor()->GetNext() != GetCursor();
 134         if( bUndo ) // more than one selection?
 135         {
 136             SwRewriter aRewriter;
 137             aRewriter.AddRule(UndoArg1, SwResId(STR_MULTISEL));
 138
 139             GetDoc()->GetIDocumentUndoRedo().StartUndo(SwUndoId::DELETE, &aRewriter);
 140         }
 141
 142         for(SwPaM& rPaM : GetCursor()->GetRingContainer())
 143         {
 144             DeleteSel( rPaM, &bUndo );
 145         }
 146
 147         // If undo container then close here
 148         if( bUndo )
 149         {
 150             GetDoc()->GetIDocumentUndoRedo().EndUndo(SwUndoId::END, nullptr);
 151         }
 152         EndAllAction();
 153         bRet = true;
 154     }
 155     else
 156     {
 157         bRet = RemoveParagraphMetadataFieldAtCursor();
 158     }
 159
 160     return bRet;
 161 }
 162
 163 bool SwEditShell::Copy( SwEditShell& rDestShell )
 164 {
 165     CurrShell aCurr( &rDestShell );
 166
 167     // List of insert positions for smart insert of block selections
 168     std::vector< std::shared_ptr<SwPosition> > aInsertList;
 169
 170     // Fill list of insert positions
 171     {
 172         SwPosition * pPos = nullptr;
 173         std::shared_ptr<SwPosition> pInsertPos;
 174         sal_uInt16 nMove = 0;
 175         for(SwPaM& rPaM : GetCursor()->GetRingContainer())
 176         {
 177             if( !pPos )
 178             {
 179                 if( &rDestShell == this )
 180                 {
 181                     // First cursor represents the target position!!
 182                     rPaM.DeleteMark();
 183                     pPos = rPaM.GetPoint();
 184                     continue;
 185                 }
 186                 else
 187                     pPos = rDestShell.GetCursor()->GetPoint();
 188             }
 189             if( IsBlockMode() )
 190             {   // In block mode different insert positions will be calculated
 191                 // by simulated cursor movements from the given first insert position
 192                 if( nMove )
 193                 {
 194                     SwCursor aCursor( *pPos, nullptr);
 195                     if (aCursor.UpDown(false, nMove, nullptr, 0, *GetLayout()))
 196                     {
 197                         pInsertPos = std::make_shared<SwPosition>( *aCursor.GetPoint() );
 198                         aInsertList.push_back( pInsertPos );
 199                     }
 200                 }
 201                 else
 202                     pInsertPos = std::make_shared<SwPosition>( *pPos );
 203                 ++nMove;
 204             }
 205             SwPosition *pTmp = IsBlockMode() ? pInsertPos.get() : pPos;
 206             // Check if a selection would be copied into itself
 207             if( rDestShell.GetDoc() == GetDoc() &&
 208                 *rPaM.Start() <= *pTmp && *pTmp < *rPaM.End() )
 209                 return false;
 210         }
 211     }
 212
 213     rDestShell.StartAllAction();
 214     SwPosition *pPos = nullptr;
 215     bool bRet = false;
 216     bool bFirstMove = true;
 217     SwNodeIndex aSttNdIdx( rDestShell.GetDoc()->GetNodes() );
 218     sal_Int32 nSttCntIdx = 0;
 219     // For block selection this list is filled with the insert positions
 220     auto pNextInsert = aInsertList.begin();
 221
 222     rDestShell.GetDoc()->GetIDocumentUndoRedo().StartUndo( SwUndoId::START, nullptr );
 223     for(SwPaM& rPaM : GetCursor()->GetRingContainer())
 224     {
 225         if( !pPos )
 226         {
 227             if( &rDestShell == this )
 228             {
 229                 // First cursor represents the target position!!
 230                 rPaM.DeleteMark();
 231                 pPos = rPaM.GetPoint();
 232                 continue;
 233             }
 234             else
 235                 pPos = rDestShell.GetCursor()->GetPoint();
 236         }
 237         if( !bFirstMove )
 238         {
 239             if( pNextInsert != aInsertList.end() )
 240             {
 241                 pPos = pNextInsert->get();
 242                 ++pNextInsert;
 243             }
 244             else if( IsBlockMode() )
 245                 GetDoc()->getIDocumentContentOperations().SplitNode( *pPos, false );
 246         }
 247
 248         // Only for a selection (non-text nodes have selection but Point/GetMark are equal)
 249         if( !rPaM.HasMark() || *rPaM.GetPoint() == *rPaM.GetMark() )
 250             continue;
 251
 252         if( bFirstMove )
 253         {
 254             // Store start position of the new area
 255             aSttNdIdx = pPos->nNode.GetIndex()-1;
 256             nSttCntIdx = pPos->nContent.GetIndex();
 257             bFirstMove = false;
 258         }
 259
 260         const bool bSuccess( GetDoc()->getIDocumentContentOperations().CopyRange(rPaM, *pPos, SwCopyFlags::CheckPosInFly) );
 261         if (!bSuccess)
 262             continue;
 263
 264         SwPaM aInsertPaM(*pPos, SwPosition(aSttNdIdx));
 265         rDestShell.GetDoc()->MakeUniqueNumRules(aInsertPaM);
 266
 267         bRet = true;
 268     }
 269
 270     // Maybe nothing has been moved?
 271     if( !bFirstMove )
 272     {
 273         SwPaM* pCursor = rDestShell.GetCursor();
 274         pCursor->SetMark();
 275         pCursor->GetPoint()->nNode = aSttNdIdx.GetIndex()+1;
 276         pCursor->GetPoint()->nContent.Assign( pCursor->GetContentNode(),nSttCntIdx);
 277         pCursor->Exchange();
 278     }
 279     else
 280     {
 281         // If the cursor moved during move process, move also its GetMark
 282         rDestShell.GetCursor()->SetMark();
 283         rDestShell.GetCursor()->DeleteMark();
 284     }
 285 #if OSL_DEBUG_LEVEL > 0
 286     // check if the indices are registered in the correct nodes
 287     {
 288         for(SwPaM& rCmp : rDestShell.GetCursor()->GetRingContainer())
 289         {
 290             OSL_ENSURE( rCmp.GetPoint()->nContent.GetIdxReg()
 291                         == rCmp.GetContentNode(), "Point in wrong Node" );
 292             OSL_ENSURE( rCmp.GetMark()->nContent.GetIdxReg()
 293                         == rCmp.GetContentNode(false), "Mark in wrong Node" );
 294         }
 295     }
 296 #endif
 297
 298     // close Undo container here
 299     rDestShell.GetDoc()->GetIDocumentUndoRedo().EndUndo( SwUndoId::END, nullptr );
 300     rDestShell.EndAllAction();
 301
 302     rDestShell.SaveTableBoxContent( rDestShell.GetCursor()->GetPoint() );
 303
 304     return bRet;
 305 }
 306
 307 /** Replace a selected area in a text node with a given string.
 308  *
 309  * Intended for "search & replace".
 310  *
 311  * @param bRegExpRplc if <true> replace tabs (\\t) and replace with found string (not \&).
 312  *                    E.g. [Fnd: "zzz", Repl: "xx\t\\t..&..\&"] --> "xx\t<Tab>..zzz..&"
 313  */
 314 bool SwEditShell::Replace( const OUString& rNewStr, bool bRegExpRplc )
 315 {
 316     CurrShell aCurr( this );
 317
 318     bool bRet = false;
 319     if( !HasReadonlySel() )
 320     {
 321         StartAllAction();
 322         GetDoc()->GetIDocumentUndoRedo().StartUndo(SwUndoId::EMPTY, nullptr);
 323
 324         for(SwPaM& rPaM : GetCursor()->GetRingContainer())
 325         {
 326             if( rPaM.HasMark() && *rPaM.GetMark() != *rPaM.GetPoint() )
 327             {
 328                 bRet = sw::ReplaceImpl(rPaM, rNewStr, bRegExpRplc, *GetDoc(), GetLayout())
 329                     || bRet;
 330                 SaveTableBoxContent( rPaM.GetPoint() );
 331             }
 332         }
 333
 334         // close Undo container here
 335         GetDoc()->GetIDocumentUndoRedo().EndUndo(SwUndoId::EMPTY, nullptr);
 336         EndAllAction();
 337     }
 338     return bRet;
 339 }
 340
 341 /// special method for JOE's wizards
 342 bool SwEditShell::DelFullPara()
 343 {
 344     bool bRet = false;
 345     if( !IsTableMode() )
 346     {
 347         SwPaM* pCursor = GetCursor();
 348         // no multi selection
 349         if( !pCursor->IsMultiSelection() && !HasReadonlySel() )
 350         {
 351             CurrShell aCurr( this );
 352             StartAllAction();
 353             bRet = GetDoc()->getIDocumentContentOperations().DelFullPara( *pCursor );
 354             EndAllAction();
 355         }
 356     }
 357     return bRet;
 358 }
 359
 360 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */