def OnEdit(self, event):
     setting = self._get_setting()
     self._show_import_editor_dialog(
         EditorDialog(setting),
         lambda v, c: setting.execute(SetValues(v, c)),
         setting,
         on_empty=self._delete_selected)
 def _set_value(self, value_list, comment):
     self._controller.execute(SetValues(value_list, comment))