CategoryRelationFieldset.php

<?php
/**
 * @author Antoine Hedgecock <[email protected]>
 */

/**
 * @namespace
 */
namespace Article\Form\Fieldsets;
use Zend\Form\Fieldset,
    Zend\InputFilter\InputFilterProviderInterface;

class CategoryRelationFieldset extends Fieldset implements InputFilterProviderInterface
{
    public function __construct()
    {
        parent::__construct('article_relation_category');

        $this->setObject(new \Article\Entity\Article\Category())
             ->setHydrator(new \Zend\Stdlib\Hydrator\ClassMethods());

        $this->add(
            array(
                'name' => 'id'
            )
        );
    }

    /**
     * Should return an array specification compatible with
     * {@link Zend\InputFilter\Factory::createInputFilter()}.
     *
     * @return array
     */
    public function getInputFilterSpecification()
    {
        return array(
            'id' => array(
                'required' => true
            )
        );
    }
}