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<?php
namespace Bitrix\Location\Entity\Format;
use Bitrix\Main\ArgumentTypeException;
use Bitrix\Main\SystemException;
/**
* Class FieldCollection
* @package Bitrix\Location\Entity\Format
* @internal
*/
final class FieldCollection extends \Bitrix\Location\Entity\Generic\FieldCollection
{
/** @var Field[] */
protected $items = [];
/**
* Add Format field to collection
* @param Field $field
* @return int
* @throws SystemException
*/
public function addItem($field): int
{
if(!($field instanceof Field))
{
throw new ArgumentTypeException('field must be the instance of Field');
}
$result = parent::addItem($field);
/*
* Sort fields due to sort
* @todo: what about performance?
*/
usort(
$this->items,
function (Field $a, Field $b)
{
if ($a->getSort() === $b->getSort())
{
return 0;
}
return ($a->getSort() < $b->getSort()) ? -1 : 1;
}
);
return $result;
}
}