enrol/mnet/addinstance_form.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Form to add an instance of enrol_mnet plugin
  20  *
  21  * @package    enrol
  22  * @subpackage mnet
  23  * @copyright  2010 David Mudrak <david@moodle.com>
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 defined('MOODLE_INTERNAL') || die();
  28
  29 require_once("$CFG->libdir/formslib.php");
  30
  31 class enrol_mnet_addinstance_form extends moodleform {
  32     function definition() {
  33         global $CFG, $DB;
  34
  35         $mform   = $this->_form;
  36         $course  = $this->_customdata['course'];
  37         $enrol   = $this->_customdata['enrol'];
  38         $service = $this->_customdata['service'];
  39         $coursecontext = context_course::instance($course->id);
  40
  41         $subscribers = $service->get_remote_subscribers();
  42         $hosts = array(0 => get_string('remotesubscribersall', 'enrol_mnet'));
  43         foreach ($subscribers as $hostid => $subscriber) {
  44             $hosts[$hostid] = $subscriber->appname.': '.$subscriber->hostname.' ('.$subscriber->hosturl.')';
  45         }
  46         $roles = get_assignable_roles($coursecontext);
  47
  48         $mform->addElement('header','general', get_string('pluginname', 'enrol_mnet'));
  49
  50         $mform->addElement('select', 'hostid', get_string('remotesubscriber', 'enrol_mnet'), $hosts);
  51         $mform->addHelpButton('hostid', 'remotesubscriber', 'enrol_mnet');
  52         $mform->addRule('hostid', get_string('required'), 'required', null, 'client');
  53
  54         $mform->addElement('select', 'roleid', get_string('roleforremoteusers', 'enrol_mnet'), $roles);
  55         $mform->addHelpButton('roleid', 'roleforremoteusers', 'enrol_mnet');
  56         $mform->addRule('roleid', get_string('required'), 'required', null, 'client');
  57         $mform->setDefault('roleid', $enrol->get_config('roleid'));
  58
  59         $mform->addElement('text', 'name', get_string('instancename', 'enrol_mnet'));
  60         $mform->addHelpButton('name', 'instancename', 'enrol_mnet');
  61         $mform->setType('name', PARAM_TEXT);
  62
  63         $mform->addElement('hidden', 'id', null);
  64         $mform->setType('id', PARAM_INT);
  65
  66         $this->add_action_buttons();
  67
  68         $this->set_data(array('id'=>$course->id));
  69     }
  70
  71     /**
  72      * Do not allow multiple instances for single remote host
  73      *
  74      * @param array $data raw form data
  75      * @param array $files
  76      * @return array of errors
  77      */
  78     function validation($data, $files) {
  79         global $DB;
  80
  81         $errors = array();
  82
  83         if ($DB->record_exists('enrol', array('enrol' => 'mnet', 'courseid' => $data['id'], 'customint1' => $data['hostid']))) {
  84             $errors['hostid'] = get_string('error_multiplehost', 'enrol_mnet');
  85         }
  86
  87         return $errors;
  88     }
  89 }