def _setup_relations_list(self):
self.relations_list = ListContainer(self.get_columns(), Gtk.Orientation.HORIZONTAL)
self.relations_list._vbox.padding = 0
self.model_vbox.pack_start(self.relations_list, True, True, 0)
self.relations_list.set_list_type(ListType.UNADDABLE)
self.relations_list.connect('remove-item',
self._on_remove_item__clicked)
self.relations_list.connect('edit-item', self._on_edit_item__clicked)
self.relations_list.show()
