Symfony2 : Form View - add another field on entity field type

Question

I have the following code in my buildForm method of my FormType

$builder->add('privileges', 'entity', array(
                'label' => 'Privileges',
                'expanded' => true,
                'multiple' => true,
                'class' => 'AcmeStoreBundle:AdminPrivilege',
                'property'=> 'description',
                'query_builder' => function(EntityRepository $er) use ($category)
                {
                            return $er->createQueryBuilder('p')
                                    ->where('p.categoryid = :categoryID')
                                    ->andWhere('p.parentid = -1')
                                    ->setParameter('categoryID', $category->getId())
                                    ->orderBy('p.position', 'ASC');
                }
            ));

Here if the parentid is greater than -1, then i'd like to show further form components after the checkbox where parentid is greater than -1 is created.

I've searched over Google and have been unable to find a way to do this, can anybody help?

Alex · Accepted Answer · 2012-01-25 08:23:20Z

1

Mat. If I understand correctly, you can inject parentid and entity manager to form type construct from controller. So you can run query before add field to builder, and use if-else. For example:

public function __construct($parentId, $em)
{
    $this->parentId = $parentId;
    $this->em = $em;
}

public function buildForm(FormBuilder $builder, array $options)
{
    $choices = $this->em->getRepository()->callNeededMethod();

    if($this->parentId){
        $builder->add([someFieldParams]);
    }else{
        $builder->add([anoutherFieldParams]);
    }
}

answered Jan 25, 2012 at 8:23

Alex

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