ZF2 Fieldsets and Form Binding - zend-framework2

Question

I'm trying to create one page with a Form with two fieldsets that should each populate a different table.
I can easily create One form as in the Album tutorial, and bind the data like this:
$pageForm = new PageForm();
$pageForm->bind($page);
with my PageForm class as follows:
class PageForm extends Form
{
public function __construct($name = null)
{
// we want to ignore the name passed
parent::__construct('page');
$this->setAttribute('method', 'post');
$this->add(array(
'name' => 'id',
'attributes' => array(
'type' => 'hidden',
),
));
} /// and a bunch of other elements
but if I put these elements into fieldsets the bind no longer works, besides I would need to bind each fieldset to a separate table, and they need to save into the separate tables once the form is submited.
How would I go about this, I think I can do it using two forms but that is probably not the right way to go about it (If I understand the concept of fieldsets correctly)?

Answer 1

you have to use setObject in each Fieldset and provide a hydrator to it. eg:
<?php
// file My/Form/Product.php
namespace My\Form;
use Zend\Form\Fieldset;
use My\Entity\Product as ProductEntity;
use Zend\Stdlib\Hydrator\ClassMethods();
class Product extends Fieldset
{
public function __construct($name = 'product')
{
parent::__construct($name);
$this->setObject(new ProductEntity())
->setHydrator(new ClassMethods());
$this->add(array(
'name' => 'name',
'options' => array('label' => 'Product name'),
));
// Brand fieldset
$brand = new Brand();
$this->add($brand);
}
}
// File My/Form/Brand.php
namespace My\Form;
use Zend\Form\Fieldset;
use My\Entity\Brand as BrandEntity;
use Zend\Stdlib\Hydrator\ClassMethods();
class Brand extends Fieldset
{
public function __construct($name = 'brand')
{
parent::__construct($name = 'brand');
$this->setObject(new BrandEntity())
->setHydrator(new ClassMethods());
$this->add(array(
'name' => 'name',
'options' => array('label' => 'Brand name'),
));
}
}
// File My/Form/ProductForm.php
namespace My\Form;
use Zend\Form\Form;
use My\Entity\Product as ProductEntity;
use Zend\Stdlib\Hydrator\ClassMethods();
class ProductForm extends Form
{
public function __construct($name = 'product')
{
parent::__construct($name);
$this->setObject(new ProductEntity())
->setHydrator(new ClassMethods());
// Product Fieldset
// Here, we define Product fieldset as base fieldset
$product = new Product();
$product->setUseAsBaseFieldset(true);
$this->add($product);
}
}
// In Module.php
// ...
public function getServiceConfig()
{
return array(
'invokables' => array(
'My\Form\Product' => 'My\Form\Product',
),
);
}
// ...
// In Controller
// You don't need to use $form->bind($productEntity), except if you're editing a product.
// The form already has an Object, do you remenber??? "$this->setObject(new ProductEntity())" on form???
// ...
$form = $this->getServiceLocator()->get('My\Form\Product');
// ...