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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\EventListener;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceListInterface;
/**
* Takes care of converting the input from a single radio button
* to an array.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class FixRadioInputListener implements EventSubscriberInterface
{
private $choiceList;
private $placeholderPresent;
/**
* Constructor.
*
* @param ChoiceListInterface $choiceList
* @param Boolean $placeholderPresent
*/
public function __construct(ChoiceListInterface $choiceList, $placeholderPresent)
{
$this->choiceList = $choiceList;
$this->placeholderPresent = $placeholderPresent;
}
public function preSubmit(FormEvent $event)
{
$value = $event->getData();
$index = current($this->choiceList->getIndicesForValues(array($value)));
$event->setData(false !== $index ? array($index => $value) : ($this->placeholderPresent ? array('placeholder' => '') : array())) ;
}
/**
* Alias of {@link preSubmit()}.
*
* @deprecated Deprecated since version 2.3, to be removed in 3.0. Use
* {@link preSubmit()} instead.
*/
public function preBind(FormEvent $event)
{
$this->preSubmit($event);
}
public static function getSubscribedEvents()
{
return array(FormEvents::PRE_SUBMIT => 'preSubmit');
}
}
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