sd/source/ui/func/sdundogr.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 <sdundogr.hxx>
  21 #include <tools/long.hxx>
  22
  23 SdUndoGroup::~SdUndoGroup() = default;
  24
  25 bool SdUndoGroup::Merge(SfxUndoAction* pNextAction)
  26 {
  27     bool bRet = false;
  28
  29     if (auto pSdUndoAction = dynamic_cast<SdUndoAction*>(pNextAction))
  30     {
  31         SdUndoAction* pClone = pSdUndoAction->Clone();
  32
  33         if (pClone)
  34         {
  35             AddAction(pClone);
  36             bRet = true;
  37         }
  38     }
  39
  40     return bRet;
  41 }
  42
  43 /**
  44  * Undo, reverse order of execution
  45  */
  46 void SdUndoGroup::Undo()
  47 {
  48     ::tools::Long nLast = aCtn.size();
  49     for (::tools::Long nAction = nLast - 1; nAction >= 0; nAction--)
  50     {
  51         aCtn[nAction]->Undo();
  52     }
  53 }
  54
  55 void SdUndoGroup::Redo()
  56 {
  57     size_t nLast = aCtn.size();
  58     for (size_t nAction = 0; nAction < nLast; nAction++)
  59     {
  60         aCtn[nAction]->Redo();
  61     }
  62 }
  63
  64 void SdUndoGroup::AddAction(SdUndoAction* pAction) { aCtn.emplace_back(pAction); }
  65
  66 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */