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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/>.
/**
* Course list block.
*
* @package block_course_list
* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
include_once($CFG->dirroot . '/course/lib.php');
class block_course_list extends block_list {
function init() {
$this->title = get_string('pluginname', 'block_course_list');
}
function has_config() {
return true;
}
function get_content() {
global $CFG, $USER, $DB, $OUTPUT;
if($this->content !== NULL) {
return $this->content;
}
$this->content = new stdClass;
$this->content->items = array();
$this->content->icons = array();
$this->content->footer = '';
$icon = $OUTPUT->pix_icon('i/course', get_string('course'));
$adminseesall = true;
if (isset($CFG->block_course_list_adminview)) {
if ( $CFG->block_course_list_adminview == 'own'){
$adminseesall = false;
}
}
$allcourselink =
(has_capability('moodle/course:update', context_system::instance())
|| empty($CFG->block_course_list_hideallcourseslink)) &&
core_course_category::user_top();
if (empty($CFG->disablemycourses) and isloggedin() and !isguestuser() and
!(has_capability('moodle/course:update', context_system::instance()) and $adminseesall)) { // Just print My Courses
if ($courses = enrol_get_my_courses()) {
foreach ($courses as $course) {
$coursecontext = context_course::instance($course->id);
$linkcss = $course->visible ? "" : " class=\"dimmed\" ";
$this->content->items[]="<a $linkcss title=\"" . format_string($course->shortname, true, array('context' => $coursecontext)) . "\" ".
"href=\"$CFG->wwwroot/course/view.php?id=$course->id\">".$icon.format_string(get_course_display_name_for_list($course)). "</a>";
}
$this->title = get_string('mycourses');
/// If we can update any course of the view all isn't hidden, show the view all courses link
if ($allcourselink) {
$this->content->footer = "<a href=\"$CFG->wwwroot/course/index.php\">".get_string("fulllistofcourses")."</a> ...";
}
}
$this->get_remote_courses();
if ($this->content->items) { // make sure we don't return an empty list
return $this->content;
}
}
// User is not enrolled in any courses, show list of available categories or courses (if there is only one category).
$topcategory = core_course_category::top();
if ($topcategory->is_uservisible() && ($categories = $topcategory->get_children())) { // Check we have categories.
if (count($categories) > 1 || (count($categories) == 1 && $DB->count_records('course') > 200)) { // Just print top level category links
foreach ($categories as $category) {
$categoryname = $category->get_formatted_name();
$linkcss = $category->visible ? "" : " class=\"dimmed\" ";
$this->content->items[]="<a $linkcss href=\"$CFG->wwwroot/course/index.php?categoryid=$category->id\">".$icon . $categoryname . "</a>";
}
/// If we can update any course of the view all isn't hidden, show the view all courses link
if ($allcourselink) {
$this->content->footer .= "<a href=\"$CFG->wwwroot/course/index.php\">".get_string('fulllistofcourses').'</a> ...';
}
$this->title = get_string('categories');
} else { // Just print course names of single category
$category = array_shift($categories);
$courses = $category->get_courses();
if ($courses) {
foreach ($courses as $course) {
$coursecontext = context_course::instance($course->id);
$linkcss = $course->visible ? "" : " class=\"dimmed\" ";
$this->content->items[]="<a $linkcss title=\""
. s($course->get_formatted_shortname())."\" ".
"href=\"$CFG->wwwroot/course/view.php?id=$course->id\">"
.$icon. $course->get_formatted_name() . "</a>";
}
/// If we can update any course of the view all isn't hidden, show the view all courses link
if ($allcourselink) {
$this->content->footer .= "<a href=\"$CFG->wwwroot/course/index.php\">".get_string('fulllistofcourses').'</a> ...';
}
$this->get_remote_courses();
} else {
$this->content->icons[] = '';
$this->content->items[] = get_string('nocoursesyet');
if (has_capability('moodle/course:create', context_coursecat::instance($category->id))) {
$this->content->footer = '<a href="'.$CFG->wwwroot.'/course/edit.php?category='.$category->id.'">'.get_string("addnewcourse").'</a> ...';
}
$this->get_remote_courses();
}
$this->title = get_string('courses');
}
}
return $this->content;
}
function get_remote_courses() {
global $CFG, $USER, $OUTPUT;
if (!is_enabled_auth('mnet')) {
// no need to query anything remote related
return;
}
$icon = $OUTPUT->pix_icon('i/mnethost', get_string('host', 'mnet'));
// shortcut - the rest is only for logged in users!
if (!isloggedin() || isguestuser()) {
return false;
}
if ($courses = get_my_remotecourses()) {
$this->content->items[] = get_string('remotecourses','mnet');
$this->content->icons[] = '';
foreach ($courses as $course) {
$this->content->items[]="<a title=\"" . format_string($course->shortname, true) . "\" ".
"href=\"{$CFG->wwwroot}/auth/mnet/jump.php?hostid={$course->hostid}&wantsurl=/course/view.php?id={$course->remoteid}\">"
.$icon. format_string(get_course_display_name_for_list($course)) . "</a>";
}
// if we listed courses, we are done
return true;
}
if ($hosts = get_my_remotehosts()) {
$this->content->items[] = get_string('remotehosts', 'mnet');
$this->content->icons[] = '';
foreach($USER->mnet_foreign_host_array as $somehost) {
$this->content->items[] = $somehost['count'].get_string('courseson','mnet').'<a title="'.$somehost['name'].'" href="'.$somehost['url'].'">'.$icon.$somehost['name'].'</a>';
}
// if we listed hosts, done
return true;
}
return false;
}
/**
* Returns the role that best describes the course list block.
*
* @return string
*/
public function get_aria_role() {
return 'navigation';
}
/**
* Return the plugin config settings for external functions.
*
* @return stdClass the configs for both the block instance and plugin
* @since Moodle 3.8
*/
public function get_config_for_external() {
global $CFG;
// Return all settings for all users since it is safe (no private keys, etc..).
$configs = (object) [
'adminview' => $CFG->block_course_list_adminview,
'hideallcourseslink' => $CFG->block_course_list_hideallcourseslink
];
return (object) [
'instance' => new stdClass(),
'plugin' => $configs,
];
}
}