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<?php
/**
* Element: Group Level
* Displays a select box of backend group levels
*
* @package NoNumber Framework
* @version 14.11.6
*
* @author Peter van Westen <peter@nonumber.nl>
* @link http://www.nonumber.nl
* @copyright Copyright © 2014 NoNumber All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
defined('_JEXEC') or die;
require_once JPATH_PLUGINS . '/system/nnframework/helpers/text.php';
class JFormFieldNN_GroupLevel extends JFormField
{
public $type = 'GroupLevel';
private $params = null;
private $db = null;
protected function getInput()
{
$this->params = $this->element->attributes();
$this->db = JFactory::getDBO();
$size = (int) $this->get('size');
$multiple = $this->get('multiple');
$show_all = $this->get('show_all');
$attribs = 'class="inputbox"';
$options = $this->getUserGroups();
if ($show_all)
{
$option = new stdClass;
$option->value = -1;
$option->text = '- ' . JText::_('JALL') . ' -';
$option->disable = '';
array_unshift($options, $option);
}
require_once JPATH_PLUGINS . '/system/nnframework/helpers/html.php';
return nnHtml::selectlist($options, $this->name, $this->value, $this->id, $size, $multiple, $attribs);
}
protected function getUserGroups()
{
// Get the user groups from the database.
$query = $this->db->getQuery(true)
->select('a.id as value, a.title as text, a.parent_id AS parent')
->from('#__usergroups AS a')
->select('COUNT(DISTINCT b.id) AS level')
->join('LEFT', '#__usergroups AS b ON a.lft > b.lft AND a.rgt < b.rgt')
->group('a.id')
->order('a.lft ASC');
$this->db->setQuery($query);
return $this->db->loadObjectList();
}
private function get($val, $default = '')
{
return (isset($this->params[$val]) && (string) $this->params[$val] != '') ? (string) $this->params[$val] : $default;
}
}