MDL-48935 navigation: Update the user nav breadcrumbs.
[moodle.git] / index.php
1 <?php
2 // This file is part of Moodle - http://moodle.org/
3 //
4 // Moodle is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
8 //
9 // Moodle is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
17 /**
18  * Moodle frontpage.
19  *
20  * @package    core
21  * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23  */
25 if (!file_exists('./config.php')) {
26     header('Location: install.php');
27     die;
28 }
30 require_once('config.php');
31 require_once($CFG->dirroot .'/course/lib.php');
32 require_once($CFG->libdir .'/filelib.php');
34 redirect_if_major_upgrade_required();
36 $urlparams = array();
37 if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && optional_param('redirect', 1, PARAM_BOOL) === 0) {
38     $urlparams['redirect'] = 0;
39 }
40 $PAGE->set_url('/', $urlparams);
41 $PAGE->set_course($SITE);
42 $PAGE->set_other_editing_capability('moodle/course:update');
43 $PAGE->set_other_editing_capability('moodle/course:manageactivities');
44 $PAGE->set_other_editing_capability('moodle/course:activityvisibility');
46 // Prevent caching of this page to stop confusion when changing page after making AJAX changes.
47 $PAGE->set_cacheable(false);
49 if ($CFG->forcelogin) {
50     require_login();
51 } else {
52     user_accesstime_log();
53 }
55 $hassiteconfig = has_capability('moodle/site:config', context_system::instance());
57 // If the site is currently under maintenance, then print a message.
58 if (!empty($CFG->maintenance_enabled) and !$hassiteconfig) {
59     print_maintenance_message();
60 }
62 if ($hassiteconfig && moodle_needs_upgrading()) {
63     redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
64 }
66 if (get_home_page() != HOMEPAGE_SITE) {
67     // Redirect logged-in users to My Moodle overview if required.
68     $redirect = optional_param('redirect', 1, PARAM_BOOL);
69     if (optional_param('setdefaulthome', false, PARAM_BOOL)) {
70         set_user_preference('user_home_page_preference', HOMEPAGE_SITE);
71     } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && $redirect === 1) {
72         redirect($CFG->wwwroot .'/my/');
73     } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_USER)) {
74         $PAGE->settingsnav->find('usercurrentsettings', null)->add(
75             get_string('makethismyhome'),
76             new moodle_url('/', array('setdefaulthome' => true)),
77             navigation_node::TYPE_SETTING);
78     }
79 }
81 // Trigger event.
82 course_view(context_course::instance(SITEID));
84 // If the hub plugin is installed then we let it take over the homepage here.
85 if (file_exists($CFG->dirroot.'/local/hub/lib.php') and get_config('local_hub', 'hubenabled')) {
86     require_once($CFG->dirroot.'/local/hub/lib.php');
87     $hub = new local_hub();
88     $continue = $hub->display_homepage();
89     // Function display_homepage() returns true if the hub home page is not displayed
90     // ...mostly when search form is not displayed for not logged users.
91     if (empty($continue)) {
92         exit;
93     }
94 }
96 $PAGE->set_pagetype('site-index');
97 $PAGE->set_docs_path('');
98 $PAGE->set_pagelayout('frontpage');
99 $editing = $PAGE->user_is_editing();
100 $PAGE->set_title($SITE->fullname);
101 $PAGE->set_heading($SITE->fullname);
102 $courserenderer = $PAGE->get_renderer('core', 'course');
103 echo $OUTPUT->header();
105 // Print Section or custom info.
106 $siteformatoptions = course_get_format($SITE)->get_format_options();
107 $modinfo = get_fast_modinfo($SITE);
108 $modnames = get_module_types_names();
109 $modnamesplural = get_module_types_names(true);
110 $modnamesused = $modinfo->get_used_module_names();
111 $mods = $modinfo->get_cms();
113 if (!empty($CFG->customfrontpageinclude)) {
114     include($CFG->customfrontpageinclude);
116 } else if ($siteformatoptions['numsections'] > 0) {
117     if ($editing) {
118         // Make sure section with number 1 exists.
119         course_create_sections_if_missing($SITE, 1);
120         // Re-request modinfo in case section was created.
121         $modinfo = get_fast_modinfo($SITE);
122     }
123     $section = $modinfo->get_section_info(1);
124     if (($section && (!empty($modinfo->sections[1]) or !empty($section->summary))) or $editing) {
125         echo $OUTPUT->box_start('generalbox sitetopic');
127         // If currently moving a file then show the current clipboard.
128         if (ismoving($SITE->id)) {
129             $stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname));
130             echo '<p><font size="2">';
131             echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=".sesskey()."\">";
132             echo get_string('cancel') . '</a>)';
133             echo '</font></p>';
134         }
136         $context = context_course::instance(SITEID);
138         // If the section name is set we show it.
139         if (!is_null($section->name)) {
140             echo $OUTPUT->heading(
141                 format_string($section->name, true, array('context' => $context)),
142                 2,
143                 'sectionname'
144             );
145         }
147         $summarytext = file_rewrite_pluginfile_urls($section->summary,
148             'pluginfile.php',
149             $context->id,
150             'course',
151             'section',
152             $section->id);
153         $summaryformatoptions = new stdClass();
154         $summaryformatoptions->noclean = true;
155         $summaryformatoptions->overflowdiv = true;
157         echo format_text($summarytext, $section->summaryformat, $summaryformatoptions);
159         if ($editing && has_capability('moodle/course:update', $context)) {
160             $streditsummary = get_string('editsummary');
161             echo "<a title=\"$streditsummary\" ".
162                  " href=\"course/editsection.php?id=$section->id\"><img src=\"" . $OUTPUT->pix_url('t/edit') . "\" ".
163                  " class=\"iconsmall\" alt=\"$streditsummary\" /></a><br /><br />";
164         }
166         $courserenderer = $PAGE->get_renderer('core', 'course');
167         echo $courserenderer->course_section_cm_list($SITE, $section);
169         echo $courserenderer->course_section_add_cm_control($SITE, $section->section);
170         echo $OUTPUT->box_end();
171     }
173 // Include course AJAX.
174 include_course_ajax($SITE, $modnamesused);
176 if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) {
177     $frontpagelayout = $CFG->frontpageloggedin;
178 } else {
179     $frontpagelayout = $CFG->frontpage;
182 foreach (explode(',', $frontpagelayout) as $v) {
183     switch ($v) {
184         // Display the main part of the front page.
185         case FRONTPAGENEWS:
186             if ($SITE->newsitems) {
187                 // Print forums only when needed.
188                 require_once($CFG->dirroot .'/mod/forum/lib.php');
190                 if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
191                     print_error('cannotfindorcreateforum', 'forum');
192                 }
194                 // Fetch news forum context for proper filtering to happen.
195                 $newsforumcm = get_coursemodule_from_instance('forum', $newsforum->id, $SITE->id, false, MUST_EXIST);
196                 $newsforumcontext = context_module::instance($newsforumcm->id, MUST_EXIST);
198                 $forumname = format_string($newsforum->name, true, array('context' => $newsforumcontext));
199                 echo html_writer::tag('a',
200                     get_string('skipa', 'access', core_text::strtolower(strip_tags($forumname))),
201                     array('href' => '#skipsitenews', 'class' => 'skip-block'));
203                 // Wraps site news forum in div container.
204                 echo html_writer::start_tag('div', array('id' => 'site-news-forum'));
206                 if (isloggedin()) {
207                     $SESSION->fromdiscussion = $CFG->wwwroot;
208                     $subtext = '';
209                     if (\mod_forum\subscriptions::is_subscribed($USER->id, $newsforum)) {
210                         if (!\mod_forum\subscriptions::is_forcesubscribed($newsforum)) {
211                             $subtext = get_string('unsubscribe', 'forum');
212                         }
213                     } else {
214                         $subtext = get_string('subscribe', 'forum');
215                     }
216                     echo $OUTPUT->heading($forumname);
217                     $suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $newsforum->id, 'sesskey' => sesskey()));
218                     echo html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
219                 } else {
220                     echo $OUTPUT->heading($forumname);
221                 }
223                 forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
225                 // End site news forum div container.
226                 echo html_writer::end_tag('div');
228                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipsitenews'));
229             }
230         break;
232         case FRONTPAGEENROLLEDCOURSELIST:
233             $mycourseshtml = $courserenderer->frontpage_my_courses();
234             if (!empty($mycourseshtml)) {
235                 echo html_writer::tag('a',
236                     get_string('skipa', 'access', core_text::strtolower(get_string('mycourses'))),
237                     array('href' => '#skipmycourses', 'class' => 'skip-block'));
239                 // Wrap frontpage course list in div container.
240                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
242                 echo $OUTPUT->heading(get_string('mycourses'));
243                 echo $mycourseshtml;
245                 // End frontpage course list div container.
246                 echo html_writer::end_tag('div');
248                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipmycourses'));
249                 break;
250             }
251             // No "break" here. If there are no enrolled courses - continue to 'Available courses'.
253         case FRONTPAGEALLCOURSELIST:
254             $availablecourseshtml = $courserenderer->frontpage_available_courses();
255             if (!empty($availablecourseshtml)) {
256                 echo html_writer::tag('a',
257                     get_string('skipa', 'access', core_text::strtolower(get_string('availablecourses'))),
258                     array('href' => '#skipavailablecourses', 'class' => 'skip-block'));
260                 // Wrap frontpage course list in div container.
261                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
263                 echo $OUTPUT->heading(get_string('availablecourses'));
264                 echo $availablecourseshtml;
266                 // End frontpage course list div container.
267                 echo html_writer::end_tag('div');
269                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipavailablecourses'));
270             }
271         break;
273         case FRONTPAGECATEGORYNAMES:
274             echo html_writer::tag('a',
275                 get_string('skipa', 'access', core_text::strtolower(get_string('categories'))),
276                 array('href' => '#skipcategories', 'class' => 'skip-block'));
278             // Wrap frontpage category names in div container.
279             echo html_writer::start_tag('div', array('id' => 'frontpage-category-names'));
281             echo $OUTPUT->heading(get_string('categories'));
282             echo $courserenderer->frontpage_categories_list();
284             // End frontpage category names div container.
285             echo html_writer::end_tag('div');
287             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcategories'));
288         break;
290         case FRONTPAGECATEGORYCOMBO:
291             echo html_writer::tag('a',
292                 get_string('skipa', 'access', core_text::strtolower(get_string('courses'))),
293                 array('href' => '#skipcourses', 'class' => 'skip-block'));
295             // Wrap frontpage category combo in div container.
296             echo html_writer::start_tag('div', array('id' => 'frontpage-category-combo'));
298             echo $OUTPUT->heading(get_string('courses'));
299             echo $courserenderer->frontpage_combo_list();
301             // End frontpage category combo div container.
302             echo html_writer::end_tag('div');
304             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcourses'));
305         break;
307         case FRONTPAGECOURSESEARCH:
308             echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
309         break;
311     }
312     echo '<br />';
314 if ($editing && has_capability('moodle/course:create', context_system::instance())) {
315     echo $courserenderer->add_new_course_button();
317 echo $OUTPUT->footer();