Task::canUpdatePlanDates

public function canUpdatePlanDates($item, $userId = 0)
{
	$userId = intval($userId);
	if(!$userId)
	{
		$userId = $item->getUserId();
	}

	return User::isSuper($userId) || $this->isRoleCreatorOrDirectorOfCreator($item, $userId) || (
		$item['RESPONSIBLE_ID'] == $userId
		&&
		$item['ALLOW_CHANGE_DEADLINE'] == 'Y'
	);
}