Question

Let me first explain what’s I’m trying to do.

So I have a entity called property that have a field called type(it can be text, email, or multi_option) and another entity called propertyValue which is the value of the property

So I found this tutorial and my question is in the EventListener instead of a simple field how can I add a select or set of checkbox having the values of other entity?

Here you have my EventListener code and you can see where I’ facing problem

    <?php
namespace Comehoy\AdBundle\Form\EventListener;

use Symfony\Component\Form\Event\DataEvent;
use Symfony\Component\Form\FormFactoryInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Form\FormEvents;

class AddValueFieldSubscriber implements EventSubscriberInterface
{
    private $factory;

    public function __construct(FormFactoryInterface $factory)
    {
        $this->factory = $factory;
    }

    public static function getSubscribedEvents()
    {
        // Tells the dispatcher that we want to listen on the form.pre_set_data
        // event and that the preSetData method should be called.
        return array(FormEvents::PRE_SET_DATA => 'preSetData');
    }

    public function preSetData(DataEvent $event)
    {
        $data = $event->getData();
        $form = $event->getForm();

        // During form creation setData() is called with null as an argument
        // by the FormBuilder constructor. We're only concerned with when
        // setData is called with an actual Entity object in it (whether new,
        // or fetched with Doctrine). This if statement let's us skip right
        // over the null condition.
        if (null === $data) {
            return;
        }

        // check if the ProprertyValue object is "new"
        $type = $data->getI18nField()->getProperty()->getType();

        if ('multi_option' === substr($type, 0, 12)) {
            /*
             * 
             * Here is the problem since I'm kind of sure this is not the way to do this
             * 
             */
            $builder = $this->factory->createNamedBuilder('entity', 'value');
            $builder->add('value', 'entity', array(
                'class' => 'ComehoyAdBundle:Translation\AdPropertyOption',
                'query_builder' => function(EntityRepository $er) {
                    return $er->createQueryBuilder('po')
                        ->orderBy('po.value', 'ASC');
                }
            ));
        } else {
            //It's not a multi option field so we use the type directly
            $form->add($this->factory->createNamed($type, 'value'));
        }
    }
}

So what I’m basically try to do is to the same thing that I can do in buildForm of a type using $bulder parameter

Thanks

Answer 1

public function preSetData(DataEvent $event)
{
    $data = $event->getData();
    $form = $event->getForm();

    $form->add($this->factory->createNamed('type', 'name', $data->getValue(), array(
            'class' => 'ComehoyAdBundle:Translation\AdPropertyOption',
            'query_builder' => function(EntityRepository $er) {
                return $er->createQueryBuilder('po')
                     ->orderBy('po.value', 'ASC');
            }
    )));
}

If you are using SF 2.1 then:

public function preSetData(DataEvent $event)
{
    $data = $event->getData();
    $form = $event->getForm();

    $form->add($this->factory->createNamed('name', 'type', $data->getValue(), array(
            'class' => 'ComehoyAdBundle:Translation\AdPropertyOption',
            'query_builder' => function(EntityRepository $er) {
                return $er->createQueryBuilder('po')
                     ->orderBy('po.value', 'ASC');
            }
    )));
}