open-orchestra/open-orchestra-cms-bundle

<?php

namespace OpenOrchestra\Backoffice\Form\Type\Component;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormEvents;

/**
 * Class FieldChoiceType
 */
class FieldChoiceType extends AbstractType
{
    /**
     * @param FormBuilderInterface $builder
     * @param array                $options
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        if (false === $options['multiple']) {
            $builder->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) {
                $data = $event->getData();
                if (is_array($data) && $data !== array()) {
                    $event->setData(current($data));
                }
            }, 1);
        }
    }

    /**
     * @return string
     */
    public function getParent()
    {
        return 'choice';
    }

    /**
     * @return string The name of this type
     */
    public function getName()
    {
        return "oo_field_choice";
    }

}