xref: /aoo41x/main/sd/inc/undo/undomanager.hxx (revision 69ffbee1)
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21 
22 
23 
24 #ifndef _SD_UNDOMANAGER_HXX
25 #define _SD_UNDOMANAGER_HXX
26 
27 #include <misc/scopelock.hxx>
28 #include <svx/sdrundomanager.hxx>
29 
30 namespace sd
31 {
32 
33 class UndoManager : public SdrUndoManager
34 {
35 public:
36 	UndoManager( sal_uInt16 nMaxUndoActionCount = 20 );
37 
38 	virtual void            EnterListAction(const UniString &rComment, const UniString& rRepeatComment, sal_uInt16 nId=0);
39 
40 	virtual void			AddUndoAction( SfxUndoAction *pAction, sal_Bool bTryMerg=sal_False );
41 
42     /** Set or reset the undo manager linked with the called undo manager.
43     */
44     void SetLinkedUndoManager (::svl::IUndoManager* pLinkedUndoManager);
45 
46 private:
47 	using SdrUndoManager::Undo;
48 	using SdrUndoManager::Redo;
49 
50     /** Used when the outline view is visible as a last resort to
51         synchronize the undo managers.
52     */
53     ::svl::IUndoManager* mpLinkedUndoManager;
54 
55     /** Call ClearRedo() at the linked undo manager, when present.
56 
57         It should not be necessary to call ClearRedo() explicitly, but the
58         synchronization between the under managers of the document and the
59         outline view seems to have a bug.  Therefore this method is called
60         whenever a new undo action is added.
61     */
62     void ClearLinkedRedoActions (void);
63 };
64 
65 }
66 
67 #endif	   // _SD_UNDOMANAGER_HXX
68