sd/source/ui/func/sdundogr.cxx

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   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
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   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: sdundogr.cxx,v $
  10  * $Revision: 1.8 $
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  21  * GNU Lesser General Public License version 3 for more details
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  25  * version 3 along with OpenOffice.org.  If not, see
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  29  ************************************************************************/
  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sd.hxx"
  33
  34
  35 #include "sdundogr.hxx"
  36
  37
  38 TYPEINIT1(SdUndoGroup, SdUndoAction);
  39
  40 /*************************************************************************
  41 |*
  42 |* Destruktor
  43 |*
  44 \************************************************************************/
  45
  46 SdUndoGroup::~SdUndoGroup()
  47 {
  48     ULONG nLast = aCtn.Count();
  49     for (ULONG nAction = 0; nAction < nLast; nAction++)
  50     {
  51         delete (SdUndoAction*) aCtn.GetObject(nAction);
  52     }
  53     aCtn.Clear();
  54 }
  55
  56 /*************************************************************************
  57 |*
  58 |* Merge
  59 |*
  60 \************************************************************************/
  61
  62 BOOL SdUndoGroup::Merge( SfxUndoAction* pNextAction )
  63 {
  64     BOOL bRet = FALSE;
  65
  66     if( pNextAction && pNextAction->ISA( SdUndoAction ) )
  67     {
  68         SdUndoAction* pClone = static_cast< SdUndoAction* >( pNextAction )->Clone();
  69
  70         if( pClone )
  71         {
  72             AddAction( pClone );
  73             bRet = TRUE;
  74         }
  75     }
  76
  77     return bRet;
  78 }
  79
  80 /*************************************************************************
  81 |*
  82 |* Undo, umgekehrte Reihenfolge der Ausfuehrung
  83 |*
  84 \************************************************************************/
  85
  86 void SdUndoGroup::Undo()
  87 {
  88     long nLast = aCtn.Count();
  89     for (long nAction = nLast - 1; nAction >= 0; nAction--)
  90     {
  91         ((SdUndoAction*)aCtn.GetObject((ULONG)nAction))->Undo();
  92     }
  93
  94 }
  95
  96 /*************************************************************************
  97 |*
  98 |* Redo
  99 |*
 100 \************************************************************************/
 101
 102 void SdUndoGroup::Redo()
 103 {
 104     ULONG nLast = aCtn.Count();
 105     for (ULONG nAction = 0; nAction < nLast; nAction++)
 106     {
 107         ((SdUndoAction*)aCtn.GetObject(nAction))->Redo();
 108     }
 109
 110 }
 111
 112 /*************************************************************************
 113 |*
 114 |* eine Aktion hinzufuegen
 115 |*
 116 \************************************************************************/
 117
 118 void SdUndoGroup::AddAction(SdUndoAction* pAction)
 119 {
 120     aCtn.Insert(pAction, CONTAINER_APPEND);
 121 }
 122
 123 /*************************************************************************
 124 |*
 125 |* Zeiger auf eine Aktion liefern
 126 |*
 127 \************************************************************************/
 128
 129 SdUndoAction* SdUndoGroup::GetAction(ULONG nAction) const
 130 {
 131     return (SdUndoAction*)aCtn.GetObject(nAction);
 132 }