gistfile1.php

<?php

namespace Admin\Form\Blog;

use Blog\Entity\Article as ArticleEntity;
use Zend\Form\Fieldset;
use Zend\Stdlib\Hydrator\ObjectProperty;
use Zend\InputFilter\InputFilterProviderInterface;

class ArticleFieldset
    extends Fieldset
    implements InputFilterProviderInterface
{
    public function __construct($entityManager, $name = 'article')
    {
        parent::__construct($name);

        $this->setObject(new ArticleEntity())
            ->setHydrator(new ObjectProperty());

        $this->add(
            array(
                 'type' => 'Zend\Form\Element\Hidden',
                 'name' => 'id',
            )
        );

        $this->add(
            array(
                 'type'       => 'Zend\Form\Element\Text',
                 'name'       => 'date',
                 'options'    => array(
                     'label' => 'Date',
                 ),
                 'attributes' => array(
                     'required' => true,
                 ),
            )
        );

        $this->add(
            array(
                 'type'       => 'Zend\Form\Element\Textarea',
                 'name'       => 'content',
                 'options'    => array(
                     'label' => 'Content',
                 ),
                 'attributes' => array(
                     'required' => true,
                 ),
            )
        );

        $this->add(
            array(
                 'type'       => 'Zend\Form\Element\Text',
                 'name'       => 'title',
                 'options'    => array(
                     'label' => 'Title',
                 ),
                 'attributes' => array(
                     'required' => true,
                 ),
            )
        );

        $this->add(
            array(
                 'type'       => 'DoctrineORMModule\Form\Element\EntitySelect',
                 'name'       => 'category',
                 'options'    => array(
                     'label'          => 'Category',
                     'object_manager' => $entityManager,
                     'target_class'   => 'Blog\Entity\Category',
                     'property'       => 'name'
                 ),
                 'attributes' => array(
                     'required' => true,
                 )
            )
        );

        $this->add(
            array(
                 'type'    => 'Zend\Form\Element\Checkbox',
                 'name'    => 'state',
                 'options' => array(
                     'label' => 'State',
                 ),
            )
        );
    }

    /**
     * Should return an array specification compatible with
     * {@link Zend\InputFilter\Factory::createInputFilter()}.
     *
     * @return array
     */
    public function getInputFilterSpecification()
    {
        return array(
            'date'     => array(
                'required'   => true,
                'filters'    => array(
                    array('name' => 'StringTrim'),
                    array('name' => 'StripTags')
                ),
                'properties' => array(
                    'required' => true
                )
            ),
            'content'  => array(
                'required'   => true,
                'filters'    => array(
                    array('name' => 'StringTrim'),
                ),
                'properties' => array(
                    'required' => true
                )
            ),
            'title'    => array(
                'required'   => true,
                'filters'    => array(
                    array('name' => 'StringTrim'),
                    array('name' => 'StripTags')
                ),
                'properties' => array(
                    'required' => true
                )
            ),
            'category' => array(
                'required'   => true,
                'filters'    => array(
                    array('name' => 'StringTrim'),
                    array('name' => 'StripTags')
                ),
                'properties' => array(
                    'required' => true
                )
            ),
            'state'    => array(
                'required'   => true,
                'properties' => array(
                    'required' => true
                )
            )
        );
    }
}