File cms/form/field/frontend_language.php | Joomla! Framework TM

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 1 <?php
 2 /**
 3  * @package     Joomla.Libraries
 4  * @subpackage  Form
 5  *
 6  * @copyright   Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
 7  * @license     GNU General Public License version 2 or later; see LICENSE.txt
 8  */
 9 
10 defined('JPATH_PLATFORM') or die;
11 
12 JFormHelper::loadFieldClass('list');
13 
14 /**
15  * Provides a list of published content languages with home pages
16  *
17  * @see    JFormFieldLanguage for a select list of application languages.
18  * @since  3.5
19  */
20 class JFormFieldFrontend_Language extends JFormFieldList
21 {
22     /**
23      * The form field type.
24      *
25      * @var    string
26      * @since  3.5
27      */
28     public $type = 'Frontend_Language';
29 
30     /**
31      * Method to get the field options for frontend published content languages with homes.
32      *
33      * @return  array  The options the field is going to show.
34      *
35      * @since   3.5
36      */
37     protected function getOptions()
38     {
39         // Get the database object and a new query object.
40         $db    = JFactory::getDbo();
41         $query = $db->getQuery(true);
42 
43         $query->select('a.lang_code AS value, a.title AS text')
44                 ->from($db->quoteName('#__languages') . ' AS a')
45                 ->where('a.published = 1')
46                 ->order('a.title');
47 
48         // Select the language home pages.
49         $query->select('l.home, l.language')
50             ->innerJoin($db->quoteName('#__menu') . ' AS l ON l.language=a.lang_code AND l.home=1 AND l.published=1 AND l.language <> ' . $db->quote('*'))
51             ->innerJoin($db->quoteName('#__extensions') . ' AS e ON e.element = a.lang_code')
52             ->where('e.client_id = 0')
53             ->where('e.enabled = 1')
54             ->where('e.state = 0');
55 
56         $db->setQuery($query);
57 
58         try
59         {
60             $languages = $db->loadObjectList();
61         }
62         catch (RuntimeException $e)
63         {
64             $languages = array();
65 
66             if (JFactory::getUser()->authorise('core.admin'))
67             {
68                 JFactory::getApplication()->enqueueMessage($e->getMessage(), 'error');
69             }
70         }
71 
72         // Merge any additional options in the XML definition.
73         return array_merge(
74             parent::getOptions(),
75             $languages
76         );
77     }
78 }
79