Radio.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\UI\Implementation\Component\Input\Field;
 
use ILIAS\UI\Component as C;
use ILIAS\UI\Implementation\Component\Input\InputData;
use ILIAS\UI\Implementation\Component\JavaScriptBindable;
use ILIAS\UI\Implementation\Component\Triggerer;
use ILIAS\Refinery\Constraint;
use LogicException;
use Closure;
 
class Radio extends FormInput implements C\Input\Field\Radio
{
    use JavaScriptBindable;
    use Triggerer;
 
    protected array $options = [];
 
    protected array $bylines = [];
 
    protected function isClientSideValueOk($value): bool
    {
        return ($value === '' || array_key_exists($value, $this->getOptions()));
    }
 
    protected function getConstraintForRequirement(): ?Constraint
    {
        if ($this->requirement_constraint !== null) {
            return $this->requirement_constraint;
        }
 
        return null;
    }
 
    public function withOption(string $value, string $label, string $byline = null): C\Input\Field\Radio
    {
        $clone = clone $this;
        $clone->options[$value] = $label;
        if (!is_null($byline)) {
            $clone->bylines[$value] = $byline;
        }
        return $clone;
    }
 
    public function getOptions(): array
    {
        return $this->options;
    }
 
 
    public function getBylineFor(string $value): ?string
    {
        if (!array_key_exists($value, $this->bylines)) {
            return null;
        }
        return $this->bylines[$value];
    }
 
    public function withInput(InputData $input): C\Input\Field\Input
    {
        if ($this->getName() === null) {
            throw new LogicException("Can only collect if input has a name.");
        }
        if (!$this->isDisabled()) {
            $value = $input->getOr($this->getName(), "");
            $clone = $this->withValue($value);
        } else {
            $value = $this->getValue();
            $clone = $this;
        }
 
        $clone->content = $this->applyOperationsTo($value);
        if ($clone->content->isError()) {
            return $clone->withError("" . $clone->content->error());
        }
 
        $clone->content = $this->applyOperationsTo($value);
 
        if ($clone->getError()) {
            $clone->content = $clone->data_factory->error($clone->getError());
        }
 
        return $clone;
    }
 
    public function getUpdateOnLoadCode(): Closure
    {
        return fn ($id) => "$('#$id').on('input', function(event) {
                                il.UI.input.onFieldUpdate(event, '$id', $('#$id input:checked').val());
                        });
                        il.UI.input.onFieldUpdate(event, '$id', $('#$id input:checked').val());";
    }
}