filament/packages/forms/src/Components/Radio.php

<?php

namespace Filament\Forms\Components;

use Closure;
use Filament\Schemas\Components\StateCasts\BooleanStateCast;
use Filament\Schemas\Components\StateCasts\Contracts\StateCast;
use Filament\Schemas\Components\StateCasts\StringStateCast;

class Radio extends Field implements Contracts\CanDisableOptions
{
    use Concerns\CanDisableOptions;
    use Concerns\CanDisableOptionsWhenSelectedInSiblingRepeaterItems;
    use Concerns\CanFixIndistinctState;
    use Concerns\HasDescriptions;
    use Concerns\HasExtraInputAttributes;
    use Concerns\HasGridDirection;
    use Concerns\HasOptions;

    /**
     * @var view-string
     */
    protected string $view = 'filament-forms::components.radio';

    protected bool | Closure $isInline = false;

    public function boolean(?string $trueLabel = null, ?string $falseLabel = null): static
    {
        $this->options([
            1 => $trueLabel ?? __('filament-forms::components.radio.boolean.true'),
            0 => $falseLabel ?? __('filament-forms::components.radio.boolean.false'),
        ]);

        $this->stateCast(app(BooleanStateCast::class, ['isStoredAsInt' => true]));

        return $this;
    }

    public function inline(bool | Closure $condition = true): static
    {
        $this->isInline = $condition;

        return $this;
    }

    public function isInline(): bool
    {
        return (bool) $this->evaluate($this->isInline);
    }

    public function getDefaultState(): mixed
    {
        $state = parent::getDefaultState();

        if (is_bool($state)) {
            return $state ? 1 : 0;
        }

        return $state;
    }

    /**
     * @return array<StateCast>
     */
    public function getDefaultStateCasts(): array
    {
        if ($this->hasCustomStateCasts() || filled($this->getEnum())) {
            return parent::getDefaultStateCasts();
        }

        return [app(StringStateCast::class, ['isNullable' => true])];
    }

    /**
     * @return ?array<string>
     */
    public function getInValidationRuleValues(): ?array
    {
        $values = parent::getInValidationRuleValues();

        if ($values !== null) {
            return $values;
        }

        return array_keys($this->getEnabledOptions());
    }

    public function hasNullableBooleanState(): bool
    {
        return true;
    }
}