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
  31 /**
  32  * Class user_edit_form.
  33  *
  34  * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  35  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36  */
  37 class user_edit_language_form extends moodleform {
  38
  39     /**
  40      * Define the form.
  41      */
  42     public function definition () {
  43         global $CFG, $COURSE, $USER;
  44
  45         $mform = $this->_form;
  46         $userid = $USER->id;
  47
  48         if (is_array($this->_customdata)) {
  49             if (array_key_exists('userid', $this->_customdata)) {
  50                 $userid = $this->_customdata['userid'];
  51             }
  52         }
  53
  54         // Add some extra hidden fields.
  55         $mform->addElement('hidden', 'id');
  56         $mform->setType('id', PARAM_INT);
  57         $mform->addElement('hidden', 'course', $COURSE->id);
  58         $mform->setType('course', PARAM_INT);
  59
  60         $mform->addElement('select', 'lang', get_string('preferredlanguage'), get_string_manager()->get_list_of_translations());
  61         $mform->setDefault('lang', core_user::get_property_default('lang'));
  62
  63         $this->add_action_buttons(true, get_string('savechanges'));
  64     }
  65
  66     /**
  67      * Extend the form definition after the data has been parsed.
  68      */
  69     public function definition_after_data() {
  70         global $CFG, $DB, $OUTPUT;
  71
  72         $mform = $this->_form;
  73
  74         // If language does not exist, use site default lang.
  75         if ($langsel = $mform->getElementValue('lang')) {
  76             $lang = reset($langsel);
  77             // Check lang exists.
  78             if (!get_string_manager()->translation_exists($lang, false)) {
  79                 $langel =& $mform->getElement('lang');
  80                 $langel->setValue(core_user::get_property_default('lang'));
  81             }
  82         }
  83
  84     }
  85
  86 }
  87
  88