/**
* Returns the root field set that this belongs to
*
* @return FieldList|FormField
*/
public function rootFieldList()
{
if ($this->containerField) {
return $this->containerField->rootFieldList();
}
return $this;
}
/**
* @return null|FieldList
*/
public function rootFieldList()
{
if (is_object($this->containerFieldList)) {
return $this->containerFieldList->rootFieldList();
}
user_error("rootFieldList() called on {$this->class} object without a containerFieldList", E_USER_ERROR);
return null;
}