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<?php
/**
* @package Joomla.Administrator
* @subpackage com_menus
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('JPATH_BASE') or die;
JFormHelper::loadFieldClass('list');
/**
* Form Field class for the Joomla Framework.
*
* @since 1.6
*/
class JFormFieldMenuParent extends JFormFieldList
{
/**
* The form field type.
*
* @var string
* @since 1.6
*/
protected $type = 'MenuParent';
/**
* Method to get the field options.
*
* @return array The field option objects.
*
* @since 1.6
*/
protected function getOptions()
{
$options = array();
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->select('a.id AS value, a.title AS text, a.level')
->from('#__menu AS a')
->join('LEFT', $db->quoteName('#__menu') . ' AS b ON a.lft > b.lft AND a.rgt < b.rgt');
if ($menuType = $this->form->getValue('menutype'))
{
$query->where('a.menutype = ' . $db->quote($menuType));
}
else
{
$query->where('a.menutype != ' . $db->quote(''));
}
// Prevent parenting to children of this item.
if ($id = $this->form->getValue('id'))
{
$query->join('LEFT', $db->quoteName('#__menu') . ' AS p ON p.id = ' . (int) $id)
->where('NOT(a.lft >= p.lft AND a.rgt <= p.rgt)');
}
$query->where('a.published != -2')
->group('a.id, a.title, a.level, a.lft, a.rgt, a.menutype, a.parent_id, a.published')
->order('a.lft ASC');
// Get the options.
$db->setQuery($query);
try
{
$options = $db->loadObjectList();
}
catch (RuntimeException $e)
{
JError::raiseWarning(500, $e->getMessage());
}
// Pad the option text with spaces using depth level as a multiplier.
for ($i = 0, $n = count($options); $i < $n; $i++)
{
$options[$i]->text = str_repeat('- ', $options[$i]->level) . $options[$i]->text;
}
// Merge any additional options in the XML definition.
$options = array_merge(parent::getOptions(), $options);
return $options;
}
}