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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\ArrayChoiceList;
use Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface;
use Symfony\Component\Form\ChoiceList\Loader\IntlCallbackChoiceLoader;
use Symfony\Component\Intl\Currencies;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;
class CurrencyType extends AbstractType implements ChoiceLoaderInterface
{
/**
* Currency loaded choice list.
*
* The choices are lazy loaded and generated from the Intl component.
*
* {@link \Symfony\Component\Intl\Intl::getCurrencyBundle()}.
*
* @var ArrayChoiceList
*
* @deprecated since Symfony 4.1
*/
private $choiceList;
/**
* {@inheritdoc}
*/
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults([
'choice_loader' => function (Options $options) {
$choiceTranslationLocale = $options['choice_translation_locale'];
return new IntlCallbackChoiceLoader(function () use ($choiceTranslationLocale) {
return array_flip(Currencies::getNames($choiceTranslationLocale));
});
},
'choice_translation_domain' => false,
'choice_translation_locale' => null,
]);
$resolver->setAllowedTypes('choice_translation_locale', ['null', 'string']);
}
/**
* {@inheritdoc}
*/
public function getParent()
{
return __NAMESPACE__.'\ChoiceType';
}
/**
* {@inheritdoc}
*/
public function getBlockPrefix()
{
return 'currency';
}
/**
* {@inheritdoc}
*
* @deprecated since Symfony 4.1
*/
public function loadChoiceList($value = null)
{
@trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.1, use the "choice_loader" option instead.', __METHOD__), E_USER_DEPRECATED);
if (null !== $this->choiceList) {
return $this->choiceList;
}
return $this->choiceList = new ArrayChoiceList(array_flip(Currencies::getNames()), $value);
}
/**
* {@inheritdoc}
*
* @deprecated since Symfony 4.1
*/
public function loadChoicesForValues(array $values, $value = null)
{
@trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.1, use the "choice_loader" option instead.', __METHOD__), E_USER_DEPRECATED);
// Optimize
$values = array_filter($values);
if (empty($values)) {
return [];
}
return $this->loadChoiceList($value)->getChoicesForValues($values);
}
/**
* {@inheritdoc}
*
* @deprecated since Symfony 4.1
*/
public function loadValuesForChoices(array $choices, $value = null)
{
@trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.1, use the "choice_loader" option instead.', __METHOD__), E_USER_DEPRECATED);
// Optimize
$choices = array_filter($choices);
if (empty($choices)) {
return [];
}
// If no callable is set, choices are the same as values
if (null === $value) {
return $choices;
}
return $this->loadChoiceList($value)->getValuesForChoices($choices);
}
}
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