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 * Lists the course categories
20 *
21 * @copyright 1999 Martin Dougiamas  http://dougiamas.com
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 * @package course
24 */
25
26require_once("../config.php");
27require_once($CFG->dirroot. '/course/lib.php');
28
29$categoryid = optional_param('categoryid', 0, PARAM_INT); // Category id
30$site = get_site();
31
32if ($CFG->forcelogin) {
33    require_login();
34}
35
36$heading = $site->fullname;
37if ($categoryid) {
38    $category = core_course_category::get($categoryid); // This will validate access.
39    $PAGE->set_category_by_id($categoryid);
40    $PAGE->set_url(new moodle_url('/course/index.php', array('categoryid' => $categoryid)));
41    $PAGE->set_pagetype('course-index-category');
42    $heading = $category->get_formatted_name();
43} else if ($category = core_course_category::user_top()) {
44    // Check if there is only one top-level category, if so use that.
45    $categoryid = $category->id;
46    $PAGE->set_url('/course/index.php');
47    if ($category->is_uservisible() && $categoryid) {
48        $PAGE->set_category_by_id($categoryid);
49        $PAGE->set_context($category->get_context());
50        if (!core_course_category::is_simple_site()) {
51            $PAGE->set_url(new moodle_url('/course/index.php', array('categoryid' => $categoryid)));
52            $heading = $category->get_formatted_name();
53        }
54    } else {
55        $PAGE->set_context(context_system::instance());
56    }
57    $PAGE->set_pagetype('course-index-category');
58} else {
59    throw new moodle_exception('cannotviewcategory');
60}
61
62$PAGE->set_pagelayout('coursecategory');
63$courserenderer = $PAGE->get_renderer('core', 'course');
64
65$PAGE->set_heading($heading);
66$content = $courserenderer->course_category($categoryid);
67
68echo $OUTPUT->header();
69echo $OUTPUT->skip_link_target();
70echo $content;
71
72// Trigger event, course category viewed.
73$eventparams = array('context' => $PAGE->context, 'objectid' => $categoryid);
74$event = \core\event\course_category_viewed::create($eventparams);
75$event->trigger();
76
77echo $OUTPUT->footer();
78