/**
* Report if a dropdown have Child
* Used to (dis)allow delete action
**/
function haveChildren()
{
if (parent::haveChildren()) {
return true;
}
$kb = new KnowbaseItem();
$fk = $this->getForeignKeyField();
$id = $this->fields['id'];
return countElementsInTable($kb->getTable(), "`{$fk}`='{$id}'") > 0;
}
