Select.php

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<?php

/* Copyright (c) 2017 Jesús López <lopez@leifos.com> Extended GPL, see docs/LICENSE */

namespace ILIAS\UI\Implementation\Component\Input\Field;

use ILIAS\Data\Factory as DataFactory;
use ILIAS\UI\Component as C;
use ILIAS\Validation\Factory as ValidationFactory;
use ILIAS\Transformation\Factory as TransformationFactory;

class Select extends Input implements C\Input\Field\Select
{
    protected $options;
    protected $label;
    protected $value;

    public function __construct(
        DataFactory $data_factory,
        ValidationFactory $validation_factory,
        TransformationFactory $transformation_factory,
        $label,
        $options,
        $byline
    ) {
        parent::__construct($data_factory, $validation_factory, $transformation_factory, $label, $byline);
        $this->options = $options;
    }

    public function getOptions()
    {
        return $this->options;
    }

    protected function isClientSideValueOk($value)
    {
        return
            in_array($value, array_keys($this->options)) || $value == "";
    }

    protected function getConstraintForRequirement()
    {
        return $this->validation_factory->hasMinLength(1);
    }
}