protected function getListView()
{
if ($this->_list === null && ($id = $this->getListViewID()) !== null) {
$this->_list = $this->getParent()->findControl($id);
if ($this->_list === null) {
throw new TConfigurationException('scaffold_unable_to_find_list_view', $id);
}
}
return $this->_list;
}