/**
* {@inheritdoc}
*/
public function adminSummary()
{
if (!is_array($this->value)) {
$this->value = $this->value ? array($this->value) : array();
}
$value = $this->value;
$this->value = empty($value) ? '' : $this->idsToString($value);
$ret = parent::adminSummary();
$this->value = $value;
return $ret;
}
