course/index.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  * 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
  26 require_once("../config.php");
  27 require_once($CFG->dirroot. '/course/lib.php');
  28 require_once($CFG->libdir. '/coursecatlib.php');
  29
  30 $categoryid = optional_param('categoryid', 0, PARAM_INT); // Category id
  31 $site = get_site();
  32
  33 if ($categoryid) {
  34     $PAGE->set_category_by_id($categoryid);
  35     $PAGE->set_url(new moodle_url('/course/index.php', array('categoryid' => $categoryid)));
  36     $PAGE->set_pagetype('course-index-category');
  37     // And the object has been loaded for us no need for another DB call
  38     $category = $PAGE->category;
  39 } else {
  40     // Check if there is only one category, if so use that.
  41     if (coursecat::count_all() == 1) {
  42         $category = coursecat::get_default();
  43
  44         $categoryid = $category->id;
  45         $PAGE->set_category_by_id($categoryid);
  46         $PAGE->set_pagetype('course-index-category');
  47     } else {
  48         $PAGE->set_context(context_system::instance());
  49     }
  50
  51     $PAGE->set_url('/course/index.php');
  52 }
  53
  54 $PAGE->set_pagelayout('coursecategory');
  55 $courserenderer = $PAGE->get_renderer('core', 'course');
  56
  57 if ($CFG->forcelogin) {
  58     require_login();
  59 }
  60
  61 if ($categoryid && !$category->visible && !has_capability('moodle/category:viewhiddencategories', $PAGE->context)) {
  62     throw new moodle_exception('unknowncategory');
  63 }
  64
  65 $PAGE->set_heading($site->fullname);
  66 $content = $courserenderer->course_category($categoryid);
  67
  68 echo $OUTPUT->header();
  69 echo $OUTPUT->skip_link_target();
  70 echo $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
  77 echo $OUTPUT->footer();