90 lines
2.1 KiB
PHP
90 lines
2.1 KiB
PHP
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<?php
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/**
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* @package Joomla.Administrator
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* @subpackage com_users
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('JPATH_BASE') or die;
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JFormHelper::loadFieldClass('list');
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/**
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* Form Field class for the Joomla Framework.
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*
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* @package Joomla.Administrator
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* @subpackage com_users
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* @since 1.6
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*/
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class JFormFieldGroupParent extends JFormFieldList
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{
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/**
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* The form field type.
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*
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* @var string
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* @since 1.6
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*/
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protected $type = 'GroupParent';
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/**
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* Method to get the field options.
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*
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* @return array The field option objects.
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* @since 1.6
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*/
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protected function getOptions()
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{
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$options = array();
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$db = JFactory::getDbo();
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$user = JFactory::getUser();
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$query = $db->getQuery(true)
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->select('a.id AS value, a.title AS text, COUNT(DISTINCT b.id) AS level')
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->from('#__usergroups AS a')
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->join('LEFT', $db->quoteName('#__usergroups') . ' AS b ON a.lft > b.lft AND a.rgt < b.rgt');
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// Prevent parenting to children of this item.
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if ($id = $this->form->getValue('id'))
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{
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$query->join('LEFT', $db->quoteName('#__usergroups') . ' AS p ON p.id = ' . (int) $id)
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->where('NOT(a.lft >= p.lft AND a.rgt <= p.rgt)');
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}
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$query->group('a.id, a.title, a.lft, a.rgt')
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->order('a.lft ASC');
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// Get the options.
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$db->setQuery($query);
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try
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{
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$options = $db->loadObjectList();
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}
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catch (RuntimeException $e)
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{
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JError::raiseWarning(500, $e->getMessage());
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}
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// Pad the option text with spaces using depth level as a multiplier.
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for ($i = 0, $n = count($options); $i < $n; $i++)
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{
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// Show groups only if user is super admin or group is not super admin
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if ($user->authorise('core.admin') || (!JAccess::checkGroup($options[$i]->value, 'core.admin')))
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{
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$options[$i]->text = str_repeat('- ', $options[$i]->level) . $options[$i]->text;
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}
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else
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{
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unset($options[$i]);
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}
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}
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// Merge any additional options in the XML definition.
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$options = array_merge(parent::getOptions(), $options);
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return $options;
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}
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}
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