File: /home/cafsindia/help.cafsindia.com/vendor/symfony/form/Extension/Core/Type/LanguageType.php
<?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\Exception\MissingResourceException;
use Symfony\Component\Intl\Intl;
use Symfony\Component\Intl\Languages;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;
class LanguageType 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'];
$useAlpha3Codes = $options['alpha3'];
$choiceSelfTranslation = $options['choice_self_translation'];
return ChoiceList::loader($this, new IntlCallbackChoiceLoader(function () use ($choiceTranslationLocale, $useAlpha3Codes, $choiceSelfTranslation) {
if (true === $choiceSelfTranslation) {
foreach (Languages::getLanguageCodes() as $alpha2Code) {
try {
$languageCode = $useAlpha3Codes ? Languages::getAlpha3Code($alpha2Code) : $alpha2Code;
$languagesList[$languageCode] = Languages::getName($alpha2Code, $alpha2Code);
} catch (MissingResourceException $e) {
// ignore errors like "Couldn't read the indices for the locale 'meta'"
}
}
} else {
$languagesList = $useAlpha3Codes ? Languages::getAlpha3Names($choiceTranslationLocale) : Languages::getNames($choiceTranslationLocale);
}
return array_flip($languagesList);
}), [$choiceTranslationLocale, $useAlpha3Codes, $choiceSelfTranslation]);
},
'choice_translation_domain' => false,
'choice_translation_locale' => null,
'alpha3' => false,
'choice_self_translation' => false,
'invalid_message' => function (Options $options, $previousValue) {
return ($options['legacy_error_messages'] ?? true)
? $previousValue
: 'Please select a valid language.';
},
]);
$resolver->setAllowedTypes('choice_self_translation', ['bool']);
$resolver->setAllowedTypes('choice_translation_locale', ['null', 'string']);
$resolver->setAllowedTypes('alpha3', 'bool');
$resolver->setNormalizer('choice_self_translation', function (Options $options, $value) {
if (true === $value && $options['choice_translation_locale']) {
throw new LogicException('Cannot use the "choice_self_translation" and "choice_translation_locale" options at the same time. Remove one of them.');
}
return $value;
});
}
/**
* {@inheritdoc}
*/
public function getParent()
{
return ChoiceType::class;
}
/**
* {@inheritdoc}
*/
public function getBlockPrefix()
{
return 'language';
}
}