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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace MASK\Mask\Definition;
final class NestedTcaFieldDefinitions implements \IteratorAggregate
{
/**
* @var array<TcaFieldDefinition>
*/
private array $nestedFields = [];
private string $elementKey;
public function __construct(string $elementKey = '')
{
$this->elementKey = $elementKey;
}
public function toArray(): array
{
$nestedFields = [];
foreach ($this->sortInlineFieldsByOrder($this->nestedFields) as $field) {
$nestedFields[] = $field->toArray(true);
}
return $nestedFields;
}
public function addField(TcaFieldDefinition $fieldDefinition): void
{
$this->nestedFields[] = $fieldDefinition;
}
/**
* @return \Traversable|TcaFieldDefinition[]
*/
public function getIterator(): \Traversable
{
return new \ArrayIterator($this->sortInlineFieldsByOrder($this->nestedFields));
}
/**
* Sort inline fields recursively.
* @param array<TcaFieldDefinition> $nestedFields
*/
private function sortInlineFieldsByOrder(array $nestedFields = []): array
{
usort(
$nestedFields,
function (TcaFieldDefinition $fieldA, TcaFieldDefinition $fieldB) {
return $fieldA->getOrder($this->elementKey) <=> $fieldB->getOrder($this->elementKey);
}
);
foreach ($nestedFields as $field) {
if (!empty($field->inlineFields)) {
$field->inlineFields = $this->sortInlineFieldsByOrder($field->inlineFields);
}
}
return $nestedFields;
}
}