sd/source/core/undo/undomanager.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sd.hxx"
  33 #include <tools/debug.hxx>
  34 #include "undo/undomanager.hxx"
  35
  36 using namespace sd;
  37
  38 UndoManager::UndoManager( USHORT nMaxUndoActionCount /* = 20 */ )
  39 : SfxUndoManager( nMaxUndoActionCount )
  40 , mnListLevel( 0 )
  41 , mpLinkedUndoManager(NULL)
  42 {
  43 }
  44
  45 void UndoManager::EnterListAction(const UniString &rComment, const UniString& rRepeatComment, USHORT nId /* =0 */)
  46 {
  47     if( !isInUndo() )
  48     {
  49         ClearLinkedRedoActions();
  50         mnListLevel++;
  51         SfxUndoManager::EnterListAction( rComment, rRepeatComment, nId );
  52     }
  53 }
  54
  55 void UndoManager::LeaveListAction()
  56 {
  57     if( !isInUndo() )
  58     {
  59         SfxUndoManager::LeaveListAction();
  60         if( mnListLevel )
  61         {
  62             mnListLevel--;
  63         }
  64         else
  65         {
  66             DBG_ERROR("sd::UndoManager::LeaveListAction(), no open list action!" );
  67         }
  68     }
  69 }
  70
  71 void UndoManager::AddUndoAction( SfxUndoAction *pAction, BOOL bTryMerg /* = FALSE */ )
  72 {
  73     if( !isInUndo() )
  74     {
  75         ClearLinkedRedoActions();
  76         SfxUndoManager::AddUndoAction( pAction, bTryMerg );
  77     }
  78     else
  79     {
  80         delete pAction;
  81     }
  82 }
  83
  84
  85 BOOL UndoManager::Undo( USHORT nCount )
  86 {
  87     ScopeLockGuard aGuard( maIsInUndoLock );
  88     return SfxUndoManager::Undo( nCount );
  89 }
  90
  91 BOOL UndoManager::Redo( USHORT nCount )
  92 {
  93     ScopeLockGuard aGuard( maIsInUndoLock );
  94     return SfxUndoManager::Redo( nCount );
  95 }
  96
  97
  98
  99
 100 void UndoManager::SetLinkedUndoManager (SfxUndoManager* pLinkedUndoManager)
 101 {
 102     mpLinkedUndoManager = pLinkedUndoManager;
 103 }
 104
 105
 106
 107
 108 void UndoManager::ClearLinkedRedoActions (void)
 109 {
 110     if (mpLinkedUndoManager != NULL)
 111         mpLinkedUndoManager->ClearRedo();
 112 }