def setSyntax(self, syntax):
        """Choose smart indentation algorithm according to syntax"""
        self._smartIndenter = self._chooseSmartIndenter(syntax)
def _rename_item_names(self, start_index):
    for index, item in enumerate(self._items[start_index:]):
      item.label.set_label(self._get_item_name(index + 1 + start_index))