/**
* Implementation of getNodeProperties
*
* @see QuizQuestion#getNodeProperties()
*/
public function getNodeProperties()
{
if (isset($this->nodeProperties)) {
return $this->nodeProperties;
}
$props = parent::getNodeProperties();
$res_a = db_query('SELECT rubric FROM {quiz_long_answer_node_properties}
WHERE nid = :nid AND vid = :vid', array(':nid' => $this->node->nid, ':vid' => $this->node->vid))->fetchAssoc();
if (is_array($res_a)) {
$props = array_merge($props, $res_a);
}
$this->nodeProperties = $props;
return $props;
}