def empty_list ( self ):
""" Creates an empty list entry (so the user can add a new item).
"""
control = IconButton( '@facets:list_editor', self.popup_menu )
control.is_empty = True
proxy = ListItemProxy( self.object, self.name, -1, None, None )
pcontrol = QLabel( ' (Empty List)' )
pcontrol.proxy = control.proxy = proxy
self.reload_sizer( [ ( control, pcontrol ) ] )
