Map.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\GlobalScreen\Scope\Footer\Collector\Map;
 
use ILIAS\GlobalScreen\Collector\Map\AbstractMap;
use Closure;
use ILIAS\GlobalScreen\Scope\Footer\Factory\isItem;
use ILIAS\GlobalScreen\Scope\Footer\Factory\hasTitle;
use ILIAS\GlobalScreen\Scope\Footer\Factory\isGroup;
 
class Map extends AbstractMap
{
    #[\Override]
    protected function getTitleSorter(): Closure
    {
        return static function (isItem $item_one, isItem $item_two): int {
            if (!$item_one instanceof hasTitle || !$item_two instanceof hasTitle) {
                return 0;
            }
 
            return strnatcmp($item_one->getTitle(), $item_two->getTitle());
        };
    }
 
    #[\Override]
    protected function getPositionSorter(): Closure
    {
        return static fn(isItem $item_one, isItem $item_two): int => $item_one->getPosition() - $item_two->getPosition(
        );
    }
 
    #[\Override]
    public function sort(): void
    {
        parent::sort();
 
        $replace_children_sorted = function (isItem &$item): void {
            if ($item instanceof isGroup) {
                $children = $item->getEntries();
                uasort($children, $this->getPositionSorter());
                $item = $item->withEntries($children);
            }
        };
        $this->walk($replace_children_sorted);
    }
}