sw/source/core/edit/edundo.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 <svx/svdmark.hxx>
  21 #include <tools/diagnose_ex.h>
  22
  23 #include <com/sun/star/frame/XModel.hpp>
  24
  25 #include <editsh.hxx>
  26 #include <fesh.hxx>
  27 #include <doc.hxx>
  28 #include <IDocumentUndoRedo.hxx>
  29 #include <IDocumentRedlineAccess.hxx>
  30 #include <pam.hxx>
  31 #include <UndoCore.hxx>
  32 #include <swundo.hxx>
  33 #include <flyfrm.hxx>
  34 #include <frmfmt.hxx>
  35 #include <docsh.hxx>
  36 #include <pagefrm.hxx>
  37
  38 /** helper function to select all objects in an SdrMarkList;
  39  * implementation: see below */
  40 static void lcl_SelectSdrMarkList( SwEditShell* pShell,
  41                             const SdrMarkList* pSdrMarkList );
  42
  43 bool SwEditShell::CursorsLocked() const
  44 {
  45     return GetDoc()->GetDocShell()->GetModel()->hasControllersLocked();
  46 }
  47
  48 void SwEditShell::HandleUndoRedoContext(::sw::UndoRedoContext & rContext)
  49 {
  50     // do nothing if somebody has locked controllers!
  51     if (CursorsLocked())
  52     {
  53         return;
  54     }
  55
  56     SwFrameFormat * pSelFormat(nullptr);
  57     SdrMarkList * pMarkList(nullptr);
  58     rContext.GetSelections(pSelFormat, pMarkList);
  59
  60     if (pSelFormat) // select frame
  61     {
  62         if (RES_DRAWFRMFMT == pSelFormat->Which())
  63         {
  64             SdrObject* pSObj = pSelFormat->FindSdrObject();
  65             static_cast<SwFEShell*>(this)->SelectObj(
  66                     pSObj->GetCurrentBoundRect().Center() );
  67         }
  68         else
  69         {
  70             Point aPt;
  71             SwFlyFrame *const pFly =
  72                 static_cast<SwFlyFrameFormat*>(pSelFormat)->GetFrame(& aPt);
  73             if (pFly)
  74             {
  75                 // fdo#36681: Invalidate the content and layout to refresh
  76                 // the picture anchoring properly
  77                 SwPageFrame* pPageFrame = pFly->FindPageFrameOfAnchor();
  78                 pPageFrame->InvalidateFlyLayout();
  79                 pPageFrame->InvalidateContent();
  80
  81                 static_cast<SwFEShell*>(this)->SelectFlyFrame(*pFly);
  82             }
  83         }
  84     }
  85     else if (pMarkList)
  86     {
  87         lcl_SelectSdrMarkList( this, pMarkList );
  88     }
  89     else if (GetCursor()->GetNext() != GetCursor())
  90     {
  91         // current cursor is the last one:
  92         // go around the ring, to the first cursor
  93         GoNextCursor();
  94     }
  95 }
  96
  97 void SwEditShell::Undo(sal_uInt16 const nCount)
  98 {
  99     CurrShell aCurr( this );
 100
 101     // current undo state was not saved
 102     ::sw::UndoGuard const undoGuard(GetDoc()->GetIDocumentUndoRedo());
 103     bool bRet = false;
 104
 105     StartAllAction();
 106     {
 107         // Actually it should be enough to just work on the current Cursor, i.e. if there is a cycle
 108         // cancel the latter temporarily, so that an insert during Undo is not done in all areas.
 109         KillPams();
 110         SetMark();          // Bound1 and Bound2 in the same Node
 111         ClearMark();
 112
 113         // Keep Cursor - so that we're able to set it at
 114         // the same position for autoformat or autocorrection
 115         SwUndoId nLastUndoId(SwUndoId::EMPTY);
 116         GetLastUndoInfo(nullptr, & nLastUndoId);
 117         const bool bRestoreCursor = nCount == 1
 118                                   && ( SwUndoId::AUTOFORMAT == nLastUndoId
 119                                        || SwUndoId::AUTOCORRECT == nLastUndoId
 120                                        || SwUndoId::SETDEFTATTR == nLastUndoId );
 121         Push();
 122
 123         // Destroy stored TableBoxPtr. A detection is only permitted for the new "Box"!
 124         ClearTableBoxContent();
 125
 126         const RedlineFlags eOld = GetDoc()->getIDocumentRedlineAccess().GetRedlineFlags();
 127
 128         try {
 129             for (sal_uInt16 i = 0; i < nCount; ++i)
 130             {
 131                 bRet = GetDoc()->GetIDocumentUndoRedo().Undo()
 132                     || bRet;
 133             }
 134         } catch (const css::uno::Exception &) {
 135             TOOLS_WARN_EXCEPTION("sw.core", "SwEditShell::Undo()");
 136         }
 137
 138         if (bRestoreCursor)
 139         {   // fdo#39003 Pop does not touch the rest of the cursor ring
 140             KillPams(); // so call this first to get rid of unwanted cursors
 141         }
 142         Pop(bRestoreCursor ? PopMode::DeleteCurrent : PopMode::DeleteStack);
 143
 144         GetDoc()->getIDocumentRedlineAccess().SetRedlineFlags( eOld );
 145         GetDoc()->getIDocumentRedlineAccess().CompressRedlines();
 146
 147         // automatic detection of the new "Box"
 148         SaveTableBoxContent();
 149     }
 150     EndAllAction();
 151 }
 152
 153 void SwEditShell::Redo(sal_uInt16 const nCount)
 154 {
 155     CurrShell aCurr( this );
 156
 157     bool bRet = false;
 158
 159     // undo state was not saved
 160     ::sw::UndoGuard const undoGuard(GetDoc()->GetIDocumentUndoRedo());
 161
 162     StartAllAction();
 163
 164     {
 165         // Actually it should be enough to just work on the current Cursor, i.e. if there is a cycle
 166         // cancel the latter temporarily, so that an insert during Undo is not done in all areas.
 167         KillPams();
 168         SetMark();          // Bound1 and Bound2 in the same Node
 169         ClearMark();
 170
 171         SwUndoId nFirstRedoId(SwUndoId::EMPTY);
 172         GetDoc()->GetIDocumentUndoRedo().GetFirstRedoInfo(nullptr, & nFirstRedoId);
 173         const bool bRestoreCursor = nCount == 1 && SwUndoId::SETDEFTATTR == nFirstRedoId;
 174         Push();
 175
 176         // Destroy stored TableBoxPtr. A detection is only permitted for the new "Box"!
 177         ClearTableBoxContent();
 178
 179         RedlineFlags eOld = GetDoc()->getIDocumentRedlineAccess().GetRedlineFlags();
 180
 181         try {
 182             for (sal_uInt16 i = 0; i < nCount; ++i)
 183             {
 184                 bRet = GetDoc()->GetIDocumentUndoRedo().Redo()
 185                     || bRet;
 186             }
 187         } catch (const css::uno::Exception &) {
 188             TOOLS_WARN_EXCEPTION("sw.core", "SwEditShell::Redo()");
 189         }
 190
 191         Pop(bRestoreCursor ? PopMode::DeleteCurrent : PopMode::DeleteStack);
 192
 193         GetDoc()->getIDocumentRedlineAccess().SetRedlineFlags( eOld );
 194         GetDoc()->getIDocumentRedlineAccess().CompressRedlines();
 195
 196         // automatic detection of the new "Box"
 197         SaveTableBoxContent();
 198     }
 199
 200     EndAllAction();
 201 }
 202
 203 void SwEditShell::Repeat(sal_uInt16 const nCount)
 204 {
 205     CurrShell aCurr( this );
 206
 207     StartAllAction();
 208
 209     try {
 210         ::sw::RepeatContext context(*GetDoc(), *GetCursor());
 211         GetDoc()->GetIDocumentUndoRedo().Repeat( context, nCount );
 212     } catch (const css::uno::Exception &) {
 213         TOOLS_WARN_EXCEPTION("sw.core", "SwEditShell::Repeat()");
 214     }
 215
 216     EndAllAction();
 217 }
 218
 219 static void lcl_SelectSdrMarkList( SwEditShell* pShell,
 220                             const SdrMarkList* pSdrMarkList )
 221 {
 222     OSL_ENSURE( pShell != nullptr, "need shell!" );
 223     OSL_ENSURE( pSdrMarkList != nullptr, "need mark list" );
 224
 225     SwFEShell* pFEShell = dynamic_cast<SwFEShell*>( pShell );
 226     if( !pFEShell )
 227         return;
 228
 229     bool bFirst = true;
 230     for( size_t i = 0; i < pSdrMarkList->GetMarkCount(); ++i )
 231     {
 232         SdrObject *pObj = pSdrMarkList->GetMark( i )->GetMarkedSdrObj();
 233         if( pObj )
 234         {
 235             pFEShell->SelectObj( Point(), bFirst ? 0 : SW_ADD_SELECT, pObj );
 236             bFirst = false;
 237         }
 238     }
 239
 240     // the old implementation would always unselect
 241     // objects, even if no new ones were selected. If this
 242     // is a problem, we need to re-work this a little.
 243     OSL_ENSURE( pSdrMarkList->GetMarkCount() != 0, "empty mark list" );
 244 }
 245
 246 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */