Вывод дочерних категорий в меню - Модули и Аддоны

<?php
/**
 * @version		$Id$
 * @author		Joomseller
 * @package		Joomla.Site
 * @subpackage	mod_jse_jp_megamenu
 * @copyright	Copyright (C) 2008 - 2013 Joomseller. All rights reserved.
 * @license		License GNU General Public License version 2 or later; see LICENSE.txt, see LICENSE.php
 */

// no direct access
defined('_JEXEC') or die('Restricted access'); 
print_r($menu);
?>

<div id="jsejp_mm_<?php echo $module->id ?>" class="jsejp-megamenu <?php echo $menuStyle?> ">
<button class="button-bar" type="button">
	<span class="icon-bar"></span>
	<span class="icon-bar"></span>
	<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="javascript:void(0)"><?php echo JText::_('JSE_jp_MEGAMENU_MENU')?></a>
<?php 
if (!file_exists(JPATH_SITE.'/components/com_jshopping')){
	echo  '<div style="float: left;color:red">This module can not work without the JoomShopping Component</div>';
}else{
	$megamenu = new JPMegamenu();
	list($menu,$order) = $megamenu->render($params,true);
	echo $menu;		
}

?>
</div>

MOD_PARENTCAT="дочерние категории joomshoping"
MOD_PARENTCAT_XML_DESCRIPTION="Описание модуля дочерние категории joomshoping"

<?php
// No direct access.
defined('_JEXEC') or die('(@)|(@)');
?>
<ul class="pc_list">
<?php
foreach ($categories as $category) {
	$link = SEFLink('index.php?option=com_jshopping&controller=category&task=view&category_id='.$category->id, 1);
	echo '<li class="pc_item_list"><a href="'.$link.'">'.$category->name.'</a></li>';
}
?>
</ul>

<?php
// No direct access.
defined('_JEXEC') or die('(@)|(@)');

require_once dirname(__FILE__).'/helper.php';
$categories = modParentcatHelper::getParentcategory($params);

require JModuleHelper::getLayoutPath('mod_parentcat', $params->get('layout', 'default'));

<?xml version="1.0" encoding="utf-8"?>
<extension type="module" version="2.5.0" method="upgrade">
		<name>mod_parentcat</name> 
		<creationDate>February 2014</creationDate>
		<author>BelNet</author>
		<authorEmail>info@belnet.by</authorEmail>
		<authorUrl>http://www.belnet.by</authorUrl>
		<copyright>Copyright Info</copyright>
		<license>License Info</license>
        <version>1.0.0</version>
        <description>MOD_PARENTCAT_XML_DESCRIPTION</description>
        <files>
                <filename module="mod_parentcat">mod_parentcat.php</filename>
                <filename>mod_parentcat.xml</filename>
				<filename>index.html</filename>				
				<filename>helper.php</filename>
				<folder>tmpl</folder>
        </files>
		<languages folder="language">
			<language tag="ru-RU">ru-RU/ru-RU.mod_parentcat.ini</language>
		</languages>		
</extension>

<?php
// No direct access.
defined('_JEXEC') or die('(@)|(@)');

class modParentcatHelper
{
	public static function getParentcategory(&$params)
	{
		$lang = JSFactory::getLang();
	
		$db = JFactory::getDbo();
		$query = $db->getQuery(true);
		$query->select('`category_id` AS id, `'.$lang->get('name').'` AS name');
		$query->from('#__jshopping_categories');
		$query->where('category_parent_id > 0');
		$query->where('category_publish = 1');
		$query->order('ordering DESC');
		$db->setQuery($query);
		
		$categories = $db->loadObjectList();

		return $categories;
	}
	
}

<?php
// No direct access.
defined('_JEXEC') or die('(@)|(@)');

class modParentcatHelper
{
	public static function getParentcategory(&$params)
	{
	   
                $cid = JRequest::getInt( 'category_id' ); //++
                        	   
		$lang = JSFactory::getLang();
	
		$db = JFactory::getDbo();
		$query = $db->getQuery(true);
		$query->select('`category_id` AS id, `'.$lang->get('name').'` AS name');
		$query->from('#__jshopping_categories');
		$query->where('category_parent_id > 0');
		$query->where('category_publish = 1');
                $query->where('category_parent_id ='.$cid); //++
		$query->order('ordering DESC');
		$db->setQuery($query);
		
		$categories = $db->loadObjectList();

		return $categories;
	}
	
}

$query->select('`category_id` AS id, `'.$lang->get('name').'` AS name');

$query->select('`category_image` AS image');