.
/**
* Displays the top level category or all courses
*
* @package core
* @subpackage course
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once("../config.php");
require_once($CFG->dirroot.'/course/lib.php');
require_once($CFG->libdir.'/textlib.class.php');
require_once($CFG->libdir. '/coursecatlib.php');
$id = required_param('id', PARAM_INT); // Category id
$page = optional_param('page', 0, PARAM_INT); // which page to show
$perpage = optional_param('perpage', $CFG->coursesperpage, PARAM_INT); // how many per page
if (empty($id)) {
print_error("unknowcategory");
}
$PAGE->set_category_by_id($id);
$PAGE->set_url(new moodle_url('/course/category.php', array('id' => $id)));
// This is sure to be the category context
$context = $PAGE->context;
// And the object has been loaded for us no need for another DB call
$category = $PAGE->category;
if ($CFG->forcelogin) {
require_login();
}
if (!$category->visible) {
require_capability('moodle/category:viewhiddencategories', $context);
}
// Prepare the standard URL params for this page. We'll need them later.
$urlparams = array('id' => $id);
if ($page) {
$urlparams['page'] = $page;
}
if ($perpage) {
$urlparams['perpage'] = $perpage;
}
// Begin output
$PAGE->set_pagelayout('coursecategory');
$site = get_site();
$PAGE->set_title("$site->shortname: $category->name");
$PAGE->set_heading($site->fullname);
$PAGE->set_button(print_course_search('', true, 'navbar'));
echo $OUTPUT->header();
/// Print the category selector
$displaylist = coursecat::make_categories_list();
echo '';
$select = new single_select(new moodle_url('/course/category.php'), 'id', $displaylist, $category->id, null, 'switchcategory');
$select->set_label(get_string('categories').':');
echo $OUTPUT->render($select);
echo '
';
/// Print current category description
echo $OUTPUT->box_start();
$options = new stdClass;
$options->noclean = true;
$options->para = false;
$options->overflowdiv = true;
if (!isset($category->descriptionformat)) {
$category->descriptionformat = FORMAT_MOODLE;
}
$text = file_rewrite_pluginfile_urls($category->description, 'pluginfile.php', $context->id, 'coursecat', 'description', null);
echo format_text($text, $category->descriptionformat, $options);
echo $OUTPUT->box_end();
// Print out all the sub-categories
// In order to view hidden subcategories the user must have the viewhiddencategories
// capability in the current category.
if (has_capability('moodle/category:viewhiddencategories', $context)) {
$categorywhere = '';
} else {
$categorywhere = 'AND cc.visible = 1';
}
// We're going to preload the context for the subcategory as we know that we
// need it later on for formatting.
$ctxselect = context_helper::get_preload_record_columns_sql('ctx');
$sql = "SELECT cc.*, $ctxselect
FROM {course_categories} cc
JOIN {context} ctx ON cc.id = ctx.instanceid
WHERE cc.parent = :parentid AND
ctx.contextlevel = :contextlevel
$categorywhere
ORDER BY cc.sortorder ASC";
$subcategories = $DB->get_recordset_sql($sql, array('parentid' => $category->id, 'contextlevel' => CONTEXT_COURSECAT));
// Prepare a table to display the sub categories.
$table = new html_table;
$table->attributes = array('border' => '0', 'cellspacing' => '2', 'cellpadding' => '4', 'class' => 'generalbox boxaligncenter category_subcategories');
$table->head = array(new lang_string('subcategories'));
$table->data = array();
$baseurl = new moodle_url('/course/category.php');
foreach ($subcategories as $subcategory) {
// Preload the context we will need it to format the category name shortly.
context_helper::preload_from_record($subcategory);
$context = context_coursecat::instance($subcategory->id);
// Prepare the things we need to create a link to the subcategory
$attributes = $subcategory->visible ? array() : array('class' => 'dimmed');
$text = format_string($subcategory->name, true, array('context' => $context));
// Add the subcategory to the table
$baseurl->param('id', $subcategory->id);
$table->data[] = array(html_writer::link($baseurl, $text, $attributes));
}
$subcategorieswereshown = (count($table->data) > 0);
if ($subcategorieswereshown) {
echo html_writer::table($table);
}
// Print out all the courses.
$courses = get_courses_page($category->id, 'c.sortorder ASC',
'c.id,c.sortorder,c.shortname,c.fullname,c.summary,c.visible',
$totalcount, $page*$perpage, $perpage);
$numcourses = count($courses);
// We can consider that we are using pagination when the total count of courses is different than the one returned.
$pagingmode = $totalcount != $numcourses;
if (!$courses) {
// There is no course to display.
if (empty($subcategorieswereshown)) {
echo $OUTPUT->heading(get_string("nocoursesyet"));
}
} else if ($numcourses <= $CFG->courseswithsummarieslimit and !$pagingmode) {
// We display courses with their summaries as we have not reached the limit, also we are not
// in paging mode and not allowed to edit either.
echo $OUTPUT->box_start('courseboxes');
print_courses($category);
echo $OUTPUT->box_end();
} else {
// The conditions above have failed, we display a basic list of courses with paging/editing options.
echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "/course/category.php?id=$category->id&perpage=$perpage");
echo '';
echo '
';
}
echo '';
if (has_capability('moodle/course:create', $context)) {
// Print button to create a new course
$url = new moodle_url('/course/edit.php', array('category' => $category->id, 'returnto' => 'category'));
echo $OUTPUT->single_button($url, get_string('addnewcourse'), 'get');
}
if (!empty($CFG->enablecourserequests) && $category->id == $CFG->defaultrequestcategory) {
print_course_request_buttons(context_system::instance());
}
echo '
';
echo $OUTPUT->footer();