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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_Fieldset
  *
  * Any options passed will be used as HTML attributes of the fieldset 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_Fieldset extends Zend_Form_Decorator_Abstract
 {
     /**
      * Attribs that should be removed prior to rendering
      * @var array
      */
     public $stripAttribs = array(
         'action',
         'enctype',
         'helper',
         'method',
         'name',
         'accept-charset',
     );
 
     /**
      * Fieldset legend
      * @var string
      */
     protected $_legend;
 
     /**
      * Default placement: surround content
      * @var string
      */
     protected $_placement = null;
 
     /**
      * Get options
      *
      * Merges in element attributes as well.
      *
      * @return array
      */
     public function getOptions()
     {
         $options = parent::getOptions();
         if (null !== ($element = $this->getElement())) {
             $attribs = $element->getAttribs();
             $options = array_merge($attribs, $options);
             $this->setOptions($options);
         }
         return $options;
     }
 
     /**
      * Set legend
      *
      * @param  string $value
      * @return Zend_Form_Decorator_Fieldset
      */
     public function setLegend($value)
     {
         $this->_legend = (string) $value;
         return $this;
     }
 
     /**
      * Get legend
      *
      * @return string
      */
     public function getLegend()
     {
         $legend = $this->_legend;
         if ((null === $legend) && (null !== ($element = $this->getElement()))) {
             if (method_exists($element, 'getLegend')) {
                 $legend = $element->getLegend();
                 $this->setLegend($legend);
             }
         }
         if ((null === $legend) && (null !== ($legend = $this->getOption('legend')))) {
             $this->setLegend($legend);
             $this->removeOption('legend');
         }
 
         return $legend;
     }
 
     /**
      * Render a fieldset
      *
      * @param  string $content
      * @return string
      */
     public function render($content)
     {
         $element = $this->getElement();
         $view    = $element->getView();
         if (null === $view) {
             return $content;
         }
 
         $legend  = $this->getLegend();
         $attribs = $this->getOptions();
         $name    = $element->getFullyQualifiedName();
         $id      = (string)$element->getId();
 
         if ((!array_key_exists('id', $attribs) || $attribs['id'] == $id) && '' !== $id) {
             $attribs['id'] = 'fieldset-' . $id;
         }
 
         if (null !== $legend) {
             if (null !== ($translator = $element->getTranslator())) {
                 $legend = $translator->translate($legend);
             }
 
             $attribs['legend'] = $legend;
         }
 
         foreach (array_keys($attribs) as $attrib) {
             $testAttrib = strtolower($attrib);
             if (in_array($testAttrib, $this->stripAttribs)) {
                 unset($attribs[$attrib]);
             }
         }
 
         return $view->fieldset($name, $content, $attribs);
     }
 }