xref: /aoo42x/main/sd/inc/undo/undomanager.hxx (revision cdf0e10c)
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27 
28 #ifndef _SD_UNDOMANAGER_HXX
29 #define _SD_UNDOMANAGER_HXX
30 
31 #include "misc/scopelock.hxx"
32 #include <svl/undo.hxx>
33 
34 namespace sd
35 {
36 
37 class UndoManager : public SfxUndoManager
38 {
39 public:
40 	UndoManager( sal_uInt16 nMaxUndoActionCount = 20 );
41 
42 	virtual void            EnterListAction(const UniString &rComment, const UniString& rRepeatComment, sal_uInt16 nId=0);
43 
44 	virtual void			AddUndoAction( SfxUndoAction *pAction, sal_Bool bTryMerg=sal_False );
45 
46     /** Set or reset the undo manager linked with the called undo manager.
47     */
48     void SetLinkedUndoManager (::svl::IUndoManager* pLinkedUndoManager);
49 
50 private:
51 	using SfxUndoManager::Undo;
52 	using SfxUndoManager::Redo;
53 
54     /** Used when the outline view is visible as a last resort to
55         synchronize the undo managers.
56     */
57     ::svl::IUndoManager* mpLinkedUndoManager;
58 
59     /** Call ClearRedo() at the linked undo manager, when present.
60 
61         It should not be necessary to call ClearRedo() explicitly, but the
62         synchronization between the under managers of the document and the
63         outline view seems to have a bug.  Therefore this method is called
64         whenever a new undo action is added.
65     */
66     void ClearLinkedRedoActions (void);
67 };
68 
69 }
70 
71 #endif	   // _SD_UNDOMANAGER_HXX
72