/**
* When the element is a repeatble join (e.g. db join checkbox) then figure out how many
* records have been selected
*
* @param array $data data
* @param object $oJoin join model
*
* @since 3.0rc1
*
* @return int number of records selected
*/
public function getJoinRepeatCount($data, $oJoin)
{
$displayType = $this->getParams()->get('database_join_display_type', 'dropdown');
if ($displayType === 'multilist') {
$join = $this->getJoinModel()->getJoin();
$repeatName = $join->table_join . '___' . $this->getElement()->name;
return count(JArrayHelper::getValue($data, $repeatName, array()));
} else {
return parent::getJoinRepeatCount($data, $oJoin);
}
}