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