<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

/** Zend_Form_Decorator_FormElements */

require_once 'Zend/Form/Decorator/FormElements.php';

/**

 * Zend_Form_Decorator_PrepareElements

 *

 * Render all form elements registered with current form

 *

 * Accepts following options:

 * - separator: Separator to use between elements

 *

 * Any other options passed will be used as HTML attributes of the form tag.

 *

 * @category   Zend

 * @package    Zend_Form

 * @subpackage Decorator

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: PrepareElements.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

class Zend_Form_Decorator_PrepareElements extends Zend_Form_Decorator_FormElements

{

    /**

     * Render form elements

     *

     * @param  string $content

     * @return string

     */

    public function render($content)

    {

        $form = $this->getElement();

        if ((!$form instanceof Zend_Form) && (!$form instanceof Zend_Form_DisplayGroup)) {

            return $content;

        }

        $this->_recursivelyPrepareForm($form);

        return $content;

    }

    protected function _recursivelyPrepareForm(Zend_Form $form)

    {

        $belongsTo      = ($form instanceof Zend_Form) ? $form->getElementsBelongTo() : null;

        $elementContent = '';

        $separator      = $this->getSeparator();

        $translator     = $form->getTranslator();

        $view           = $form->getView();

        foreach ($form as $item) {

            $item->setView($view)

                 ->setTranslator($translator);

            if ($item instanceof Zend_Form_Element) {

                $item->setBelongsTo($belongsTo);

            } elseif (!empty($belongsTo) && ($item instanceof Zend_Form)) {

                if ($item->isArray()) {

                    $name = $this->mergeBelongsTo($belongsTo, $item->getElementsBelongTo());

                    $item->setElementsBelongTo($name, true);

                } else {

                    $item->setElementsBelongTo($belongsTo, true);

                }

                $this->_recursivelyPrepareForm($item);

            } elseif (!empty($belongsTo) && ($item instanceof Zend_Form_DisplayGroup)) {

                foreach ($item as $element) {

                    $element->setBelongsTo($belongsTo);

                }

            }

        }

    }

}