Symfony2 : set default value from database in radio buttons choice form?

Question

New to symfony2, I have a simple table with 2 fields.

As alert field is a boolean, I declared the form like this:

public function buildForm(FormBuilderInterface $builder, array $options)
{
    $builder                                
        ->add('message', 'text', array('label' => "Message"))                
        ->add('alert', 'choice', array(
              'choices'   => array(1 => 'Yes', 0 => 'No'),
              'expanded'  => true,
              'multiple'  => false,
              'label'     => "Are you agree?",
              'attr'      => array('class' => 'well')
        ));
}

It is working when I create a new entry, but when I am trying to edit the entry, the 'alert' choice stored in database is not set in the form (radio button).

How can I set the database state of the field in the form?

Is it an entity form ?

Moumou
– Moumou

2015-08-19 15:19:25 +00:00
Commented Aug 19, 2015 at 15:19 — Moumou
– Moumou, Commented Aug 19, 2015 at 15:19

Rico Humme · Accepted Answer · 2015-08-19 15:19:54Z

3

You have 2 options here.

Try to use the data attribute in the formbuilder.

$builder                                
        ->add('message', 'text', array('label' => "Message"))                
        ->add('alert', 'choice', array(
              'choices'   => array(1 => 'Yes', 0 => 'No'),
              'expanded'  => true,
              'multiple'  => false,
              'label'     => "Are you agree?",
              'data'      => $entity->getAlert(),
              'attr'      => array('class' => 'well')
        ));

Or: When creating the form in symfony you usually pass along the data entity to that form. This auto fills all the values.

$this->createForm(new FormType(), $entity);

answered Aug 19, 2015 at 15:19

Rico Humme

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3 Comments

sdespont Over a year ago

OK, is there no way for Symfony to set the database value as 'data' automatically?

Moumou Over a year ago

@sdespont It is done automatically ... you just have to get the entity and set it as the second parameter of your createForm as shown above

sdespont Over a year ago

@Rico Humme I understand, but editing an "entity" field for exemple doesn't need to specify the existing database value, Symfony just set it. In that case, I have to retrieve the value first (if the entity exists) and then give the value to the 'data' field. In my point of view, it is not done automatically.

Moumou · Accepted Answer · 2015-08-19 15:47:53Z

To complete Rico Humme's answer, here is how you would do it.

public function myFunc() {
    ....
    $entity = $this->getDoctrine()
        ->getRepository('AcmeFooBundle:Entity')
        ->find($id);
    if ($entity) {
        $form = $this->createForm(new EntityType(), $entity);
        ...
    }
}

EDIT:

To complete my answer, here is what EntityType could look like:

class EntityType extends AbstractType
{

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        //This is just soe
        $builder->add('alert', 'choice', array(
          'choices'   => array(1 => 'Yes', 0 => 'No'),
          'expanded'  => true,
          'multiple'  => false,
          'label'     => "Are you agree?",
          'attr'      => array('class' => 'well')
        ));
    }

    public function getName()
    {
        return 'entity';
    }

    public function setDefaultOptions(OptionsResolverInterface $resolver)
    {
        $resolver->setDefaults(array(
            'data_class' => 'Acme\FooBundle\Entity\Entity',
        ));
    }

}

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