Current File : /home/vacivi36/ava/mod/quiz/accessrule/timelimit/rule.php
<?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/>.
/**
* Implementaton of the quizaccess_timelimit plugin.
*
* @package quizaccess
* @subpackage timelimit
* @copyright 2011 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot . '/mod/quiz/accessrule/accessrulebase.php');
/**
* A rule representing the time limit. It does not actually restrict access, but we use this
* class to encapsulate some of the relevant code.
*
* @copyright 2009 Tim Hunt
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class quizaccess_timelimit extends quiz_access_rule_base {
public static function make(quiz $quizobj, $timenow, $canignoretimelimits) {
if (empty($quizobj->get_quiz()->timelimit) || $canignoretimelimits) {
return null;
}
return new self($quizobj, $timenow);
}
public function description() {
return get_string('quiztimelimit', 'quizaccess_timelimit',
format_time($this->quiz->timelimit));
}
public function end_time($attempt) {
$timedue = $attempt->timestart + $this->quiz->timelimit;
if ($this->quiz->timeclose) {
$timedue = min($timedue, $this->quiz->timeclose);
}
return $timedue;
}
public function time_left_display($attempt, $timenow) {
// If this is a teacher preview after the time limit expires, don't show the time_left
$endtime = $this->end_time($attempt);
if ($attempt->preview && $timenow > $endtime) {
return false;
}
return $endtime - $timenow;
}
public function is_preflight_check_required($attemptid) {
// Warning only required if the attempt is not already started.
return $attemptid === null;
}
public function add_preflight_check_form_fields(mod_quiz_preflight_check_form $quizform,
MoodleQuickForm $mform, $attemptid) {
$mform->addElement('header', 'honestycheckheader',
get_string('confirmstartheader', 'quizaccess_timelimit'));
$mform->addElement('static', 'honestycheckmessage', '',
get_string('confirmstart', 'quizaccess_timelimit', format_time($this->quiz->timelimit)));
}
}
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