Date.php

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<?php

declare(strict_types=1);

namespace ILIAS\UI\Implementation\Component\Table\Column;

use ILIAS\UI\Component\Table\Column as C;
use ILIAS\Data\DateFormat\DateFormat;
use ILIAS\Language\Language;

class Date extends Column implements C\Date
{
    public function __construct(
        Language $lng,
        string $title,
        protected DateFormat $format
    ) {
        parent::__construct($lng, $title);
    }

    public function getFormat(): DateFormat
    {
        return $this->format;
    }

    public function format($value): string
    {
        $this->checkArgInstanceOf('value', $value, \DateTimeImmutable::class);
        return $value->format($this->getFormat()->toString());
    }

    public function getOrderingLabels(): array
    {
        return [
            $this->asc_label ?? $this->getTitle() . self::SEPERATOR . $this->lng->txt('order_option_chronological_ascending'),
            $this->desc_label ?? $this->getTitle() . self::SEPERATOR . $this->lng->txt('order_option_chronological_descending')
        ];
    }
}