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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Form\View\Helper;
use Zend\Form\FieldsetInterface;
use Zend\Form\FormInterface;
use Zend\View\Helper\Doctype;
/**
* View helper for rendering Form objects
*/
class Form extends AbstractHelper
{
/**
* Attributes valid for this tag (form)
*
* @var array
*/
protected $validTagAttributes = array(
'accept-charset' => true,
'action' => true,
'autocomplete' => true,
'enctype' => true,
'method' => true,
'name' => true,
'novalidate' => true,
'target' => true,
);
/**
* Invoke as function
*
* @param null|FormInterface $form
* @return Form|string
*/
public function __invoke(FormInterface $form = null)
{
if (!$form) {
return $this;
}
return $this->render($form);
}
/**
* Render a form from the provided $form,
*
* @param FormInterface $form
* @return string
*/
public function render(FormInterface $form)
{
if (method_exists($form, 'prepare')) {
$form->prepare();
}
$formContent = '';
foreach ($form as $element) {
if ($element instanceof FieldsetInterface) {
$formContent.= $this->getView()->formCollection($element);
} else {
$formContent.= $this->getView()->formRow($element);
}
}
return $this->openTag($form) . $formContent . $this->closeTag();
}
/**
* Generate an opening form tag
*
* @param null|FormInterface $form
* @return string
*/
public function openTag(FormInterface $form = null)
{
$doctype = $this->getDoctype();
$attributes = array();
if (! (Doctype::HTML5 === $doctype || Doctype::XHTML5 === $doctype)) {
$attributes = array(
'action' => '',
'method' => 'get',
);
}
if ($form instanceof FormInterface) {
$formAttributes = $form->getAttributes();
if (!array_key_exists('id', $formAttributes) && array_key_exists('name', $formAttributes)) {
$formAttributes['id'] = $formAttributes['name'];
}
$attributes = array_merge($attributes, $formAttributes);
}
if ($attributes) {
return sprintf('<form %s>', $this->createAttributesString($attributes));
}
return '<form>';
}
/**
* Generate a closing form tag
*
* @return string
*/
public function closeTag()
{
return '</form>';
}
}
|
