Zend framework 2 - standalone forms - forms

Question

Is it possible to use the ZF2 forms a as standalone component? This was possible with ZF1, but I can't figure it out with ZF2.
I can create a form and a validator, but can't figure out how to render the form:
$form = new AddressBookForm('address_book'); \\ extends Zend\Form\Form
if ($this->input->isPost()) {
$validator = new AddressBookValidator(); \\ implements Zend\InputFilter\InputFilterAwareInterface
$form->setInputFilter($validator->getInputFilter());
$form->setData($this->input->getPost());
if ($form->isValid()) {
echo 'valid'; exit;
}
}
// Render form somehow here???
I tried creating a view, but couldn't figure out how to give it the view helpers. Thanks.

Answer 1

I have a basic solution, that seems to do the job
$zfView = new \Zend\View\Renderer\PhpRenderer();
$plugins = $zfView->getHelperPluginManager();
$config = new Zend\Form\View\HelperConfig;
$config->configureServiceManager($plugins);
and then render the form
echo $zfView->form()->openTag($form);
echo $zfView->formRow($form->get('name'));
echo $zfView->formSubmit( $form->get('submit'));
echo $zfView->form()->closeTag();

Answer 2

Checkout this blog.
Form Render in View file
you can do simply by zend framework form view helper.
$form = $this->form;
$form->prepare();
$this->form()->render($form);

Answer 3

#CodeMonkey's method is a good one but the code is incomplete. I cobbled together a working example from his and other answers I found with partial code.
<?php
/*
* #author Carl McDade
*
* #since 2012-06-11
* #version 0.2
*
*/
namespace zftest;
$path = DOCROOT .'/_frameworks/zf/ZendFramework-2.2.2/library';
set_include_path(get_include_path() . PATH_SEPARATOR . $path);
require_once($path . '/Zend/Loader/StandardAutoloader.php');
use Zend\Loader;
use Zend\Http\Request;
use Zend\Http\Client;
use Zend\Captcha;
use Zend\Form\Element;
use Zend\Form\Fieldset;
use Zend\Form\Form;
use Zend\Form\FormInterface;
use Zend\InputFilter\Input;
use Zend\InputFilter\InputFilter;
use Zend\Form\View\Helper;
use \Common;
class zftest{
function __construct()
{
spl_autoload_register(array($this, '_zftest_autoload'));
}
function _zftest_autoload($class)
{
//
$loader = new \Zend\Loader\StandardAutoloader(array('autoregister_zf' => true));
$loader->registerNamespaces(array('Zend'));
// finally send namespaces and prefixes to the autoloader SPL
$loader->register();
return;
}
function zftest()
{
$uri = 'http://maps.google.com/maps/api/geocode/json';
$address = urlencode('berlin');
$sensor = 'false';
$request = new Request();
$request->setUri($uri);
$request->setMethod('GET');
$client = new Client($uri);
$client->setRequest($request);
$client->setParameterGet(array('sensor'=>$sensor,'address'=>$address));
$response = $client->dispatch($request);
if ($response->isSuccess()) {
print 'Your Request for:<pre>' . print_r($address, 1) . '</pre>';
print '<pre>' . print_r($response->getBody(), 1) . '</pre>';
}
}
function zfform()
{
// Zend Framework 2 form example
$name = new Element('name');
$name->setLabel('Your name');
$name->setAttributes(array(
'type' => 'text'
));
$email = new Element\Email('email');
$email->setLabel('Your email address');
$subject = new Element('subject');
$subject->setLabel('Subject');
$subject->setAttributes(array(
'type' => 'text'
));
$message = new Element\Textarea('message');
$message->setLabel('Message');
$captcha = new Element\Captcha('captcha');
$captcha->setCaptcha(new Captcha\Dumb());
$captcha->setLabel('Please verify you are human');
$csrf = new Element\Csrf('security');
$send = new Element('send');
$send->setValue('Submit');
$send->setAttributes(array(
'type' => 'submit'
));
$form = new Form('contact');
$form->add($name);
$form->add($email);
$form->add($subject);
$form->add($message);
$form->add($captcha);
$form->add($csrf);
$form->add($send);
$nameInput = new Input('name');
// configure input... and all others
$inputFilter = new InputFilter();
// attach all inputs
$form->setInputFilter($inputFilter);
$zfView = new \Zend\View\Renderer\PhpRenderer();
$plugins = $zfView->getHelperPluginManager();
$config = new \Zend\Form\View\HelperConfig;
$config->configureServiceManager($plugins);
$output = $zfView->form()->openTag($form) . "\n";
$output .= $zfView->formRow($form->get('name')) . "<br />\n";
$output .= $zfView->formRow($form->get('captcha')) . "<br />\n";
$output .= $zfView->formSubmit( $form->get('send')) . "<br />\n";
$output .= $zfView->form()->closeTag() . "\n";
echo $output;
}
}
?>

Answer 4

You can use the Zend\Form\View\Helper view helpers to render the form inside a view.
Example: (view context)
My Form:
<?php echo $this->form()->openTag($this->form); ?>
<?php echo $this->formCollection($this->form); ?>
<?php echo $this->form()->closeTag($this->form); ?>
Note that $this->form is the $form variable assigned to the view. Also, view helpers are always available in views as far as they are registered as invokables (this is always true for built-in helpers).
This would render all elements inside a <form ...> ... </form> tag.
Check the other view helpers for further information.
Also, see the example docs: http://zf2.readthedocs.org/en/latest/modules/zend.form.quick-start.html
There's a lot more you can do with this.

Answer 5

None of the simpler answers helped me since I did not have Service Manager set up nor the View Helper methods.
But in a hurry this worked for me:
$checkbox = new Element\Checkbox('checkbox');
$checkbox->setLabel('Label');
$checkbox->setCheckedValue("good");
$checkbox->setUncheckedValue("bad");
$form = new FormCheckbox();
echo $form->render($checkbox);