    def SetUndoRedo(self):
        f = FileManager().CurrentFile()
        self.parent.toolbar.EnableTool( wx.ID_UNDO, f.undo)
        self.parent.menu.Enable( wx.ID_UNDO, f.undo)

#        self.parent.toolbar.EnableTool( wx.ID_SAVE, f.undo)
#        self.parent.menu.Enable( wx.ID_SAVE, f.undo)

        self.parent.toolbar.EnableTool( wx.ID_REDO, f.redo)
        self.parent.menu.Enable( wx.ID_REDO, f.redo)