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6f7d65c724
The only case when sesskey is not available is when we came to subscribe.php from a link in email. In that case, we display a confirmation page that redirects back providing the sesskey. All other links to subscribe.php are fixed now so they provide sesskey as a parameter. I also polished $mode parameter handling a bit because the check against empty string was not correct as the value is cast to PARAM_INT.
222 lines
11 KiB
PHP
222 lines
11 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Moodle frontpage.
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*
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* @package core
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* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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if (!file_exists('./config.php')) {
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header('Location: install.php');
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die;
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}
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require_once('config.php');
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require_once($CFG->dirroot .'/course/lib.php');
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require_once($CFG->libdir .'/filelib.php');
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redirect_if_major_upgrade_required();
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if ($CFG->forcelogin) {
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require_login();
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} else {
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user_accesstime_log();
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}
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$PAGE->set_url('/');
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$PAGE->set_course($SITE);
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/// If the site is currently under maintenance, then print a message
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if (!empty($CFG->maintenance_enabled) and !has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
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print_maintenance_message();
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}
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if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
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if (moodle_needs_upgrading()) {
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redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
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}
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} else if (get_home_page() != HOMEPAGE_SITE) {
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// Redirect logged-in users to My Moodle overview if required
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if (optional_param('setdefaulthome', false, PARAM_BOOL)) {
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set_user_preference('user_home_page_preference', HOMEPAGE_SITE);
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} else if ($CFG->defaulthomepage == HOMEPAGE_MY && optional_param('redirect', true, PARAM_BOOL)) {
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redirect($CFG->wwwroot .'/my/');
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} else if (!empty($CFG->defaulthomepage) && $CFG->defaulthomepage == HOMEPAGE_USER) {
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$PAGE->settingsnav->get('usercurrentsettings')->add(get_string('makethismyhome'), new moodle_url('/', array('setdefaulthome'=>true)), navigation_node::TYPE_SETTING);
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}
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}
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if (isloggedin()) {
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add_to_log(SITEID, 'course', 'view', 'view.php?id='.SITEID, SITEID);
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}
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/// If the hub plugin is installed then we let it take over the homepage here
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if (get_config('local_hub', 'hubenabled') && file_exists($CFG->dirroot.'/local/hub/lib.php')) {
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require_once($CFG->dirroot.'/local/hub/lib.php');
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$hub = new local_hub();
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$continue = $hub->display_homepage();
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//display_homepage() return true if the hub home page is not displayed
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//mostly when search form is not displayed for not logged users
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if (empty($continue)) {
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exit;
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}
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}
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$PAGE->set_pagetype('site-index');
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$PAGE->set_other_editing_capability('moodle/course:manageactivities');
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$PAGE->set_docs_path('');
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$PAGE->set_pagelayout('frontpage');
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$editing = $PAGE->user_is_editing();
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$PAGE->set_title($SITE->fullname);
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$PAGE->set_heading($SITE->fullname);
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echo $OUTPUT->header();
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/// Print Section
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if ($SITE->numsections > 0) {
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if (!$section = $DB->get_record('course_sections', array('course'=>$SITE->id, 'section'=>1))) {
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$DB->delete_records('course_sections', array('course'=>$SITE->id, 'section'=>1)); // Just in case
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$section->course = $SITE->id;
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$section->section = 1;
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$section->summary = '';
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$section->summaryformat = FORMAT_HTML;
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$section->sequence = '';
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$section->visible = 1;
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$section->id = $DB->insert_record('course_sections', $section);
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}
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if (!empty($section->sequence) or !empty($section->summary) or $editing) {
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echo $OUTPUT->box_start('generalbox sitetopic');
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/// If currently moving a file then show the current clipboard
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if (ismoving($SITE->id)) {
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$stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname));
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echo '<p><font size="2">';
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echo "$stractivityclipboard (<a href=\"course/mod.php?cancelcopy=true&sesskey=".sesskey()."\">". get_string('cancel') .'</a>)';
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echo '</font></p>';
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}
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$context = get_context_instance(CONTEXT_COURSE, SITEID);
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$summarytext = file_rewrite_pluginfile_urls($section->summary, 'pluginfile.php', $context->id, 'course', 'section', $section->id);
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$summaryformatoptions = new stdClass();
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$summaryformatoptions->noclean = true;
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$summaryformatoptions->overflowdiv = true;
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echo format_text($summarytext, $section->summaryformat, $summaryformatoptions);
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if ($editing) {
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$streditsummary = get_string('editsummary');
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echo "<a title=\"$streditsummary\" ".
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" href=\"course/editsection.php?id=$section->id\"><img src=\"" . $OUTPUT->pix_url('t/edit') . "\" ".
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" class=\"iconsmall\" alt=\"$streditsummary\" /></a><br /><br />";
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}
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get_all_mods($SITE->id, $mods, $modnames, $modnamesplural, $modnamesused);
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print_section($SITE, $section, $mods, $modnamesused, true);
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if ($editing) {
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print_section_add_menus($SITE, $section->section, $modnames);
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}
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echo $OUTPUT->box_end();
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}
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}
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if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) {
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$frontpagelayout = $CFG->frontpageloggedin;
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} else {
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$frontpagelayout = $CFG->frontpage;
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}
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foreach (explode(',',$frontpagelayout) as $v) {
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switch ($v) { /// Display the main part of the front page.
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case FRONTPAGENEWS:
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if ($SITE->newsitems) { // Print forums only when needed
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require_once($CFG->dirroot .'/mod/forum/lib.php');
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if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
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print_error('cannotfindorcreateforum', 'forum');
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}
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echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower($newsforum->name)), array('href'=>'#skipsitenews', 'class'=>'skip-block'));
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if (isloggedin()) {
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$SESSION->fromdiscussion = $CFG->wwwroot;
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$subtext = '';
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if (forum_is_subscribed($USER->id, $newsforum)) {
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if (!forum_is_forcesubscribed($newsforum)) {
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$subtext = get_string('unsubscribe', 'forum');
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}
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} else {
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$subtext = get_string('subscribe', 'forum');
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}
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echo $OUTPUT->heading($newsforum->name, 2, 'headingblock header');
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$suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $newsforum->id, 'sesskey' => sesskey()));
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echo html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
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} else {
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echo $OUTPUT->heading($newsforum->name, 2, 'headingblock header');
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}
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forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
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echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipsitenews'));
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}
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break;
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case FRONTPAGECOURSELIST:
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if (isloggedin() and !has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguestuser() and empty($CFG->disablemycourses)) {
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echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower(get_string('mycourses'))), array('href'=>'#skipmycourses', 'class'=>'skip-block'));
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echo $OUTPUT->heading(get_string('mycourses'), 2, 'headingblock header');
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print_my_moodle();
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echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipmycourses'));
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} else if ((!has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguestuser()) or ($DB->count_records('course') <= FRONTPAGECOURSELIMIT)) {
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// admin should not see list of courses when there are too many of them
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echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower(get_string('availablecourses'))), array('href'=>'#skipavailablecourses', 'class'=>'skip-block'));
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echo $OUTPUT->heading(get_string('availablecourses'), 2, 'headingblock header');
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print_courses(0);
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echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipavailablecourses'));
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}
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break;
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case FRONTPAGECATEGORYNAMES:
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echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower(get_string('categories'))), array('href'=>'#skipcategories', 'class'=>'skip-block'));
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echo $OUTPUT->heading(get_string('categories'), 2, 'headingblock header');
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echo $OUTPUT->box_start('generalbox categorybox');
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print_whole_category_list(NULL, NULL, NULL, -1, false);
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echo $OUTPUT->box_end();
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print_course_search('', false, 'short');
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echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipcategories'));
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break;
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case FRONTPAGECATEGORYCOMBO:
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echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower(get_string('courses'))), array('href'=>'#skipcourses', 'class'=>'skip-block'));
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echo $OUTPUT->heading(get_string('courses'), 2, 'headingblock header');
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$renderer = $PAGE->get_renderer('core','course');
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echo $renderer->course_category_tree(get_course_category_tree());
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print_course_search('', false, 'short');
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echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipcourses'));
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break;
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case FRONTPAGETOPICONLY: // Do nothing!! :-)
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break;
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}
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echo '<br />';
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}
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echo $OUTPUT->footer();
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