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 
GetSdrUndoAction(ScDocument * pDoc)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 
DoSdrUndoAction(SdrUndoAction * pUndoAction,ScDocument * pDoc)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 
RedoSdrUndoAction(SdrUndoAction * pUndoAction)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 
EnableDrawAdjust(ScDocument * pDoc,bool bEnable)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: */
76