zf2 & doctrine2 ObjectRadio getting an variable criteria from the related entity - forms

Question

I'am trying to make a form for entity content with a OneToMany relation to URL. I want to display all the URL's in a radio input field.
so the form will look like this:
//an input field for content
url:
o url1
o url2
the user can choose one of the url's linked to the content to be the canonical url.
content entity
namespace Application\Entity;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;
/**
* #ORM\Entity
* #ORM\InheritanceType("JOINED")
* #ORM\HasLifecycleCallbacks*
*/
class Content
{
/**
* #var integer
*
* #ORM\Id
* #ORM\Column(type="integer")
* #ORM\GeneratedValue(strategy="AUTO")
*/
protected $id;
/**
* SeoUrl's from page
*
* #var ArrayCollection
* #ORM\OneToMany(targetEntity="Application\Entity\Url", mappedBy="content", cascade={"remove", "persist"})
*/
protected $urls;
URL entity
namespace Application\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* Entity Class representing our Url module.
*
* #ORM\Entity
* #ORM\Table(name="url")
*/
class Url {
/**
* #ORM\Id
* #ORM\Column(type="integer");
* #ORM\GeneratedValue(strategy="AUTO")
* #var int
*/
protected $id;
/**
* Content with Url
*
* #ORM\ManyToOne(targetEntity="Application\Entity\Content", inversedBy="urls")
* #ORM\JoinColumns({
* #ORM\JoinColumn(name="content_id", referencedColumnName="id", onDelete="CASCADE")
* })
*/
protected $content;
/**
* #ORM\Column(type="string")
* #var string
*/
protected $url;
My formfield
namespace Content\Form\Fieldset;
use Content\Entity\Content;
use DoctrineModule\Stdlib\Hydrator\DoctrineObject as DoctrineHydrator;
class ContentFieldset
{
protected $em;
public function __construct()
{
parent::__construct('content');
$this->setObject(new Content());
}
public function init()
{
$this->em = $this->getServiceLocator()->get('Doctrine\ORM\EntityManager');
$this->setHydrator(new DoctrineHydrator($this->em));
$this->add(
array(
'name' => 'id',
'type' => 'Zend\Form\Element\Hidden'
)
);
$this->add(
array(
'name' => 'url',
'type' => 'DoctrineModule\Form\Element\ObjectRadio',
'options' => array(
'label' => 'Url',
'object_manager' => $this->em,
'target_class' => 'Application\Entity\Url',
'property' => 'url',
'is_method' => true,
'find_method' => array(
'name' => 'findBy',
'params' => array(
'criteria' => array('content' => 1),// I need this to be the content id
'orderBy' => array(),
),
)
)
)
);
}
I want only the Url's that are related so i found find_method, but i can only use hard coded cricteria. My question is, how can i give the ObjectRadio form the id of content to search for in the url entity.
I tried to use $this->getObject->getId() , but no luck.
Side note: in the Url Entity there will be a field the hold the information of the url is canonical or not. And will be used to check it's ObjectRadio.

Answer 1

My form
$this->add(
array(
'name' => 'url',
'type' => 'Zend\Form\Element\Radio',
'options' => array(
'value_options' => array(
'' => ''
)
)
)
);
and then i overwrite the value_options in my view like this
$options = array();
$urls = $content->get('urls')->getFieldsets();
foreach($urls as $url) {
$url_id = $url->getObject()->getId();
$url_url = $url->getObject()->getUrl();
$options[$url_id] = $url_url;
}
echo $this->formRow($content->get('url')->setAttributes(
array(
'options' => $options
)
));
I hope someone in the future can use this answer.
Beter answers are allways welcome.