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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Adds new instance of enrol_self to specified course
* or edits current instance.
*
* @package enrol
* @subpackage self
* @copyright 2010 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir.'/formslib.php');
class enrol_self_edit_form extends moodleform {
function definition() {
$mform = $this->_form;
list($instance, $plugin, $context) = $this->_customdata;
$mform->addElement('header', 'header', get_string('pluginname', 'enrol_self'));
$mform->addElement('text', 'name', get_string('custominstancename', 'enrol'));
$options = array(ENROL_INSTANCE_ENABLED => get_string('yes'),
ENROL_INSTANCE_DISABLED => get_string('no'));
$mform->addElement('select', 'status', get_string('status', 'enrol_self'), $options);
$mform->addHelpButton('status', 'status', 'enrol_self');
$mform->setDefault('status', $plugin->get_config('status'));
$mform->addElement('passwordunmask', 'password', get_string('password', 'enrol_self'));
$mform->addHelpButton('password', 'password', 'enrol_self');
if (empty($instance->id) and $plugin->get_config('requirepassword')) {
$mform->addRule('password', get_string('required'), 'required', null, 'client');
}
$options = array(1 => get_string('yes'),
0 => get_string('no'));
$mform->addElement('select', 'customint1', get_string('groupkey', 'enrol_self'), $options);
$mform->addHelpButton('customint1', 'groupkey', 'enrol_self');
$mform->setDefault('customint1', $plugin->get_config('groupkey'));
$roles = get_assignable_roles($context);
if ($instance->id) {
$roles = $this->extend_assignable_roles($context, $instance->roleid);
} else {
$roles = $this->extend_assignable_roles($context, $plugin->get_config('roleid'));
}
$mform->addElement('select', 'roleid', get_string('role', 'enrol_self'), $roles);
$mform->setDefault('roleid', $plugin->get_config('roleid'));
$mform->addElement('duration', 'enrolperiod', get_string('enrolperiod', 'enrol_self'), array('optional' => true, 'defaultunit' => 86400));
$mform->setDefault('enrolperiod', $plugin->get_config('enrolperiod'));
$mform->addHelpButton('enrolperiod', 'enrolperiod', 'enrol_self');
$mform->addElement('date_selector', 'enrolstartdate', get_string('enrolstartdate', 'enrol_self'), array('optional' => true));
$mform->setDefault('enrolstartdate', 0);
$mform->addHelpButton('enrolstartdate', 'enrolstartdate', 'enrol_self');
$mform->addElement('date_selector', 'enrolenddate', get_string('enrolenddate', 'enrol_self'), array('optional' => true));
$mform->setDefault('enrolenddate', 0);
$mform->addHelpButton('enrolenddate', 'enrolenddate', 'enrol_self');
$options = array(0 => get_string('never'),
1800 * 3600 * 24 => get_string('numdays', '', 1800),
1000 * 3600 * 24 => get_string('numdays', '', 1000),
365 * 3600 * 24 => get_string('numdays', '', 365),
180 * 3600 * 24 => get_string('numdays', '', 180),
150 * 3600 * 24 => get_string('numdays', '', 150),
120 * 3600 * 24 => get_string('numdays', '', 120),
90 * 3600 * 24 => get_string('numdays', '', 90),
60 * 3600 * 24 => get_string('numdays', '', 60),
30 * 3600 * 24 => get_string('numdays', '', 30),
21 * 3600 * 24 => get_string('numdays', '', 21),
14 * 3600 * 24 => get_string('numdays', '', 14),
7 * 3600 * 24 => get_string('numdays', '', 7));
$mform->addElement('select', 'customint2', get_string('longtimenosee', 'enrol_self'), $options);
$mform->setDefault('customint2', $plugin->get_config('longtimenosee'));
$mform->addHelpButton('customint2', 'longtimenosee', 'enrol_self');
$mform->addElement('text', 'customint3', get_string('maxenrolled', 'enrol_self'));
$mform->setDefault('customint3', $plugin->get_config('maxenrolled'));
$mform->addHelpButton('customint3', 'maxenrolled', 'enrol_self');
$mform->setType('customint3', PARAM_INT);
$mform->addElement('advcheckbox', 'customint4', get_string('sendcoursewelcomemessage', 'enrol_self'));
$mform->setDefault('customint4', $plugin->get_config('sendcoursewelcomemessage'));
$mform->addHelpButton('customint4', 'sendcoursewelcomemessage', 'enrol_self');
$mform->addElement('textarea', 'customtext1', get_string('customwelcomemessage', 'enrol_self'), array('cols'=>'60', 'rows'=>'8'));
$mform->addElement('hidden', 'id');
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'courseid');
$mform->setType('courseid', PARAM_INT);
$this->add_action_buttons(true, ($instance->id ? null : get_string('addinstance', 'enrol')));
$this->set_data($instance);
}
function validation($data, $files) {
global $DB, $CFG;
$errors = parent::validation($data, $files);
list($instance, $plugin, $context) = $this->_customdata;
$checkpassword = false;
if ($instance->id) {
if ($data['status'] == ENROL_INSTANCE_ENABLED) {
if ($instance->password !== $data['password']) {
$checkpassword = true;
}
}
} else {
if ($data['status'] == ENROL_INSTANCE_ENABLED) {
$checkpassword = true;
}
}
if ($checkpassword) {
$require = $plugin->get_config('requirepassword');
$policy = $plugin->get_config('usepasswordpolicy');
if ($require and trim($data['password']) === '') {
$errors['password'] = get_string('required');
} else if ($policy) {
$errmsg = '';//prevent eclipse warning
if (!check_password_policy($data['password'], $errmsg)) {
$errors['password'] = $errmsg;
}
}
}
if ($data['status'] == ENROL_INSTANCE_ENABLED) {
if (!empty($data['enrolenddate']) and $data['enrolenddate'] < $data['enrolstartdate']) {
$errors['enrolenddate'] = get_string('enrolenddaterror', 'enrol_self');
}
}
return $errors;
}
/**
* Gets a list of roles that this user can assign for the course as the default for self-enrolment
*
* @param context $context the context.
* @param integer $defaultrole the id of the role that is set as the default for self-enrolement
* @return array index is the role id, value is the role name
*/
function extend_assignable_roles($context, $defaultrole) {
global $DB;
$roles = get_assignable_roles($context);
$sql = "SELECT r.id, r.name
FROM {role} r
WHERE r.id = $defaultrole";
$results = $DB->get_record_sql($sql);
if (isset($results->name)) {
$roles[$results->id] = $results->name;
}
return $roles;
}
}
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