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)])
