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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Form
  * @subpackage Decorator
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /** Zend_Form_Decorator_Abstract */
 // require_once 'Zend/Form/Decorator/Abstract.php';
 
 /**
  * Zend_Form_Decorator_Form
  *
  * Render a Zend_Form object.
  *
  * Accepts following options:
  * - separator: Separator to use between elements
  * - helper: which view helper to use when rendering form. Should accept three
  *   arguments, string content, a name, and an array of attributes.
  *
  * Any other options passed will be used as HTML attributes of the form tag.
  *
  * @category   Zend
  * @package    Zend_Form
  * @subpackage Decorator
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 class Zend_Form_Decorator_Form extends Zend_Form_Decorator_Abstract
 {
     /**
      * Default view helper
      * @var string
      */
     protected $_helper = 'form';
 
     /**
      * Set view helper for rendering form
      *
      * @param  string $helper
      * @return Zend_Form_Decorator_Form
      */
     public function setHelper($helper)
     {
         $this->_helper = (string) $helper;
         return $this;
     }
 
     /**
      * Get view helper for rendering form
      *
      * @return string
      */
     public function getHelper()
     {
         if (null !== ($helper = $this->getOption('helper'))) {
             $this->setHelper($helper);
             $this->removeOption('helper');
         }
         return $this->_helper;
     }
 
     /**
      * Retrieve decorator options
      *
      * Assures that form action and method are set, and sets appropriate
      * encoding type if current method is POST.
      *
      * @return array
      */
     public function getOptions()
     {
         if (null !== ($element = $this->getElement())) {
             if ($element instanceof Zend_Form) {
                 $element->getAction();
                 $method = $element->getMethod();
                 if ($method == Zend_Form::METHOD_POST) {
                     $this->setOption('enctype', 'application/x-www-form-urlencoded');
                 }
                 foreach ($element->getAttribs() as $key => $value) {
                     $this->setOption($key, $value);
                 }
             } elseif ($element instanceof Zend_Form_DisplayGroup) {
                 foreach ($element->getAttribs() as $key => $value) {
                     $this->setOption($key, $value);
                 }
             }
         }
 
         if (isset($this->_options['method'])) {
             $this->_options['method'] = strtolower($this->_options['method']);
         }
 
         return $this->_options;
     }
 
     /**
      * Render a form
      *
      * Replaces $content entirely from currently set element.
      *
      * @param  string $content
      * @return string
      */
     public function render($content)
     {
         $form    = $this->getElement();
         $view    = $form->getView();
         if (null === $view) {
             return $content;
         }
 
         $helper        = $this->getHelper();
         $attribs       = $this->getOptions();
         $name          = $form->getFullyQualifiedName();
         $attribs['id'] = $form->getId();
         return $view->$helper($name, $attribs, $content);
     }
 }