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CurrencyType.php
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CurrencyType.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\Type;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\ChoiceList\ChoiceList;
use Symfony\Component\Form\ChoiceList\Loader\IntlCallbackChoiceLoader;
use Symfony\Component\Form\Exception\LogicException;
use Symfony\Component\Intl\Currencies;
use Symfony\Component\Intl\Intl;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;
class CurrencyType extends AbstractType
{
/**
* {@inheritdoc}
*/
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults([
'choice_loader' => function (Options $options) {
if (!class_exists(Intl::class)) {
throw new LogicException(sprintf('The "symfony/intl" component is required to use "%s". Try running "composer require symfony/intl".', static::class));
}
$choiceTranslationLocale = $options['choice_translation_locale'];
return ChoiceList::loader($this, new IntlCallbackChoiceLoader(function () use ($choiceTranslationLocale) {
return array_flip(Currencies::getNames($choiceTranslationLocale));
}), $choiceTranslationLocale);
},
'choice_translation_domain' => false,
'choice_translation_locale' => null,
'invalid_message' => function (Options $options, $previousValue) {
return ($options['legacy_error_messages'] ?? true)
? $previousValue
: 'Please select a valid currency.';
},
]);
$resolver->setAllowedTypes('choice_translation_locale', ['null', 'string']);
}
/**
* {@inheritdoc}
*/
public function getParent()
{
return ChoiceType::class;
}
/**
* {@inheritdoc}
*/
public function getBlockPrefix()
{
return 'currency';
}
}