user/language_form.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Form to edit a users preferred language
  19  *
  20  * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  21  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22  * @package core_user
  23  */
  24
  25 if (!defined('MOODLE_INTERNAL')) {
  26     die('Direct access to this script is forbidden.');    //  It must be included from a Moodle page.
  27 }
  28
  29 require_once($CFG->dirroot.'/lib/formslib.php');
  30 require_once($CFG->dirroot.'/user/lib.php');
  31
  32 /**
  33  * Class user_edit_form.
  34  *
  35  * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  36  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37  */
  38 class user_edit_language_form extends moodleform {
  39
  40     /**
  41      * Define the form.
  42      */
  43     public function definition () {
  44         global $CFG, $COURSE, $USER;
  45
  46         $mform = $this->_form;
  47         $userid = $USER->id;
  48
  49         if (is_array($this->_customdata)) {
  50             if (array_key_exists('userid', $this->_customdata)) {
  51                 $userid = $this->_customdata['userid'];
  52             }
  53         }
  54
  55         // Add some extra hidden fields.
  56         $mform->addElement('hidden', 'id');
  57         $mform->setType('id', PARAM_INT);
  58         $mform->addElement('hidden', 'course', $COURSE->id);
  59         $mform->setType('course', PARAM_INT);
  60
  61         $purpose = user_edit_map_field_purpose($userid, 'lang');
  62         $translations = get_string_manager()->get_list_of_translations();
  63         $mform->addElement('select', 'lang', get_string('preferredlanguage'), $translations, $purpose);
  64         $mform->setDefault('lang', core_user::get_property_default('lang'));
  65
  66         $this->add_action_buttons(true, get_string('savechanges'));
  67     }
  68
  69     /**
  70      * Extend the form definition after the data has been parsed.
  71      */
  72     public function definition_after_data() {
  73         global $CFG, $DB, $OUTPUT;
  74
  75         $mform = $this->_form;
  76
  77         // If language does not exist, use site default lang.
  78         if ($langsel = $mform->getElementValue('lang')) {
  79             $lang = reset($langsel);
  80             // Check lang exists.
  81             if (!get_string_manager()->translation_exists($lang, false)) {
  82                 $langel =& $mform->getElement('lang');
  83                 $langel->setValue(core_user::get_property_default('lang'));
  84             }
  85         }
  86
  87     }
  88
  89 }
  90
  91