NonNegIntFactory.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Editor\Full\Services\Inputs\WithoutConditions;

use ILIAS\Refinery\Factory as Refinery;
use ILIAS\UI\Component\Input\Container\Form\FormInput;
use ILIAS\MetaData\Elements\ElementInterface;
use ILIAS\UI\Component\Input\Field\Factory as UIFactory;
use ILIAS\MetaData\Repository\Validation\Dictionary\DictionaryInterface as ConstraintDictionary;
use ILIAS\MetaData\Editor\Presenter\PresenterInterface;

class NonNegIntFactory extends BaseFactory
{
    protected Refinery $refinery;

    public function __construct(
        UIFactory $ui_factory,
        PresenterInterface $presenter,
        ConstraintDictionary $constraint_dictionary,
        Refinery $refinery
    ) {
        parent::__construct($ui_factory, $presenter, $constraint_dictionary);
        $this->refinery = $refinery;
    }

    protected function rawInput(
        ElementInterface $element,
        ElementInterface $context_element,
        string $condition_value = ''
    ): FormInput {
        return $this->ui_factory
            ->numeric('placeholder')
            ->withAdditionalTransformation(
                $this->refinery->int()->isGreaterThanOrEqual(0)
            )
            ->withAdditionalTransformation(
                $this->refinery->byTrying([
                    $this->refinery->kindlyTo()->string(),
                    $this->refinery->kindlyTo()->null()
                ])
            );
    }
}