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FormImage.php
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FormImage.php
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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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @package Zend_Form
*/
namespace Zend\Form\View\Helper;
use Zend\Form\ElementInterface;
use Zend\Form\Exception;
/**
* @category Zend
* @package Zend_Form
* @subpackage View
*/
class FormImage extends FormInput
{
/**
* Attributes valid for the input tag type="image"
*
* @var array
*/
protected $validTagAttributes = array(
'name' => true,
'alt' => true,
'autofocus' => true,
'disabled' => true,
'form' => true,
'formaction' => true,
'formenctype' => true,
'formmethod' => true,
'formnovalidate' => true,
'formtarget' => true,
'height' => true,
'src' => true,
'type' => true,
'width' => true,
);
/**
* Render a form <input> element from the provided $element
*
* @param ElementInterface $element
* @throws Exception\DomainException
* @return string
*/
public function render(ElementInterface $element)
{
$src = $element->getAttribute('src');
if (empty($src)) {
throw new Exception\DomainException(sprintf(
'%s requires that the element has an assigned src; none discovered',
__METHOD__
));
}
return parent::render($element);
}
/**
* Determine input type to use
*
* @param ElementInterface $element
* @return string
*/
protected function getType(ElementInterface $element)
{
return 'image';
}
}