sc/source/ui/undo/undoolk.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/svdundo.hxx>
  21
  22 #include <document.hxx>
  23 #include <drwlayer.hxx>
  24 #include <undoolk.hxx>
  25
  26 std::unique_ptr<SdrUndoAction> GetSdrUndoAction(ScDocument* pDoc)
  27 {
  28     ScDrawLayer* pLayer = pDoc->GetDrawLayer();
  29     if (pLayer)
  30         return pLayer->GetCalcUndo(); // must exist
  31     else
  32         return nullptr;
  33 }
  34
  35 void DoSdrUndoAction(SdrUndoAction* pUndoAction, ScDocument* pDoc)
  36 {
  37     if (pUndoAction)
  38         pUndoAction->Undo();
  39     else
  40     {
  41         // if no drawing layer existed when the action was created,
  42         // but it was created after that, there is no draw undo action,
  43         // and after undo there might be a drawing layer with a wrong page count.
  44         // The drawing layer must have been empty in that case, so any missing
  45         // pages can just be created now.
  46
  47         ScDrawLayer* pDrawLayer = pDoc->GetDrawLayer();
  48         if (pDrawLayer)
  49         {
  50             SCTAB nTabCount = pDoc->GetTableCount();
  51             SCTAB nPages = static_cast<SCTAB>(pDrawLayer->GetPageCount());
  52             while (nPages < nTabCount)
  53             {
  54                 pDrawLayer->ScAddPage(nPages);
  55                 ++nPages;
  56             }
  57         }
  58     }
  59 }
  60
  61 void RedoSdrUndoAction(SdrUndoAction* pUndoAction)
  62 {
  63     // DoSdrUndoAction/RedoSdrUndoAction is called even if the pointer is null
  64     if (pUndoAction)
  65         pUndoAction->Redo();
  66 }
  67
  68 void EnableDrawAdjust(ScDocument* pDoc, bool bEnable)
  69 {
  70     ScDrawLayer* pLayer = pDoc->GetDrawLayer();
  71     if (pLayer)
  72         pLayer->EnableAdjust(bEnable);
  73 }
  74
  75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */