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
  22 TYPEINIT1(SdUndoGroup, SdUndoAction);
  23
  24 SdUndoGroup::~SdUndoGroup()
  25 {
  26     size_t nLast = aCtn.size();
  27     for (size_t nAction = 0; nAction < nLast; nAction++)
  28     {
  29         delete aCtn[nAction];
  30     }
  31     aCtn.clear();
  32 }
  33
  34 bool SdUndoGroup::Merge( SfxUndoAction* pNextAction )
  35 {
  36     bool bRet = false;
  37
  38     if( pNextAction && pNextAction->ISA( SdUndoAction ) )
  39     {
  40         SdUndoAction* pClone = static_cast< SdUndoAction* >( pNextAction )->Clone();
  41
  42         if( pClone )
  43         {
  44             AddAction( pClone );
  45             bRet = true;
  46         }
  47     }
  48
  49     return bRet;
  50 }
  51
  52 /**
  53  * Undo, reverse order of execution
  54  */
  55 void SdUndoGroup::Undo()
  56 {
  57     long nLast = aCtn.size();
  58     for (long nAction = nLast - 1; nAction >= 0; nAction--)
  59     {
  60         aCtn[nAction]->Undo();
  61     }
  62
  63 }
  64
  65 void SdUndoGroup::Redo()
  66 {
  67     size_t nLast = aCtn.size();
  68     for (size_t nAction = 0; nAction < nLast; nAction++)
  69     {
  70         aCtn[nAction]->Redo();
  71     }
  72
  73 }
  74
  75 void SdUndoGroup::AddAction(SdUndoAction* pAction)
  76 {
  77     aCtn.push_back(pAction);
  78 }
  79
  80 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */