index.php

   1 <?php  // $Id$
   2        // index.php - the front page.
   3
   4 ///////////////////////////////////////////////////////////////////////////
   5 //                                                                       //
   6 // NOTICE OF COPYRIGHT                                                   //
   7 //                                                                       //
   8 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   9 //          http://moodle.org                                            //
  10 //                                                                       //
  11 // Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com       //
  12 //                                                                       //
  13 // This program is free software; you can redistribute it and/or modify  //
  14 // it under the terms of the GNU General Public License as published by  //
  15 // the Free Software Foundation; either version 2 of the License, or     //
  16 // (at your option) any later version.                                   //
  17 //                                                                       //
  18 // This program is distributed in the hope that it will be useful,       //
  19 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  21 // GNU General Public License for more details:                          //
  22 //                                                                       //
  23 //          http://www.gnu.org/copyleft/gpl.html                         //
  24 //                                                                       //
  25 ///////////////////////////////////////////////////////////////////////////
  26
  27
  28     if (!file_exists('./config.php')) {
  29         header('Location: install.php');
  30         die;
  31     }
  32
  33     require_once('config.php');
  34     require_once($CFG->dirroot .'/course/lib.php');
  35     require_once($CFG->libdir .'/filelib.php');
  36
  37     redirect_if_major_upgrade_required();
  38
  39     if ($CFG->forcelogin) {
  40         require_login();
  41     } else {
  42         user_accesstime_log();
  43     }
  44
  45 /// If the site is currently under maintenance, then print a message
  46     if (!empty($CFG->maintenance_enabled) and !has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
  47         print_maintenance_message();
  48     }
  49
  50     if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
  51         if (moodle_needs_upgrading()) {
  52             redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
  53         }
  54     } else if (!empty($CFG->mymoodleredirect)) {    // Redirect logged-in users to My Moodle overview if required
  55         if (isloggedin() && !isguestuser()) {
  56             redirect($CFG->wwwroot .'/my/index.php');
  57         }
  58     }
  59
  60
  61     if (get_moodle_cookie() == '') {
  62         set_moodle_cookie('nobody');   // To help search for cookies on login page
  63     }
  64
  65     if (!empty($USER->id)) {
  66         add_to_log(SITEID, 'course', 'view', 'view.php?id='.SITEID, SITEID);
  67     }
  68
  69     $PAGE->set_pagetype('site-index');
  70     $PAGE->set_course($SITE);
  71
  72     if (empty($CFG->langmenu)) {
  73         $langmenu = '';
  74     } else {
  75         $currlang = current_language();
  76         $langs = get_list_of_languages();
  77
  78         $select = html_select::make_popup_form($CFG->wwwroot .'/index.php', 'lang', $langs, 'chooselang', $currlang);
  79         $select->nothinglabel = false;
  80         $select->set_label(get_accesshide(get_string('language')));
  81         $langmenu = $OUTPUT->select($select);
  82     }
  83     $PAGE->set_other_editing_capability('moodle/course:manageactivities');
  84     $PAGE->set_url('');
  85     $PAGE->set_docs_path('');
  86     $PAGE->set_generaltype('home');
  87     $editing = $PAGE->user_is_editing();
  88     $PAGE->set_title($SITE->fullname);
  89     $PAGE->set_heading($SITE->fullname);
  90     $PAGE->set_headingmenu(user_login_string($SITE) . $langmenu);
  91     echo $OUTPUT->header();
  92
  93 /// Print Section
  94     if ($SITE->numsections > 0) {
  95
  96         if (!$section = $DB->get_record('course_sections', array('course'=>$SITE->id, 'section'=>1))) {
  97             $DB->delete_records('course_sections', array('course'=>$SITE->id, 'section'=>1)); // Just in case
  98             $section->course = $SITE->id;
  99             $section->section = 1;
 100             $section->summary = '';
 101             $section->sequence = '';
 102             $section->visible = 1;
 103             $section->id = $DB->insert_record('course_sections', $section);
 104         }
 105
 106         if (!empty($section->sequence) or !empty($section->summary) or $editing) {
 107             echo $OUTPUT->box_start('generalbox sitetopic');
 108
 109             /// If currently moving a file then show the current clipboard
 110             if (ismoving($SITE->id)) {
 111                 $stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname));
 112                 echo '<p><font size="2">';
 113                 echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=".sesskey()."\">". get_string('cancel') .'</a>)';
 114                 echo '</font></p>';
 115             }
 116
 117             $context = get_context_instance(CONTEXT_COURSE, SITEID);
 118             $summarytext = file_rewrite_pluginfile_urls($section->summary, 'pluginfile.php', $context->id, 'course_section', $section->id);
 119             $summaryformatoptions = new object();
 120             $summaryformatoptions->noclean = true;
 121
 122             echo format_text($summarytext, FORMAT_HTML, $summaryformatoptions);
 123
 124             if ($editing) {
 125                 $streditsummary = get_string('editsummary');
 126                 echo "<a title=\"$streditsummary\" ".
 127                      " href=\"course/editsection.php?id=$section->id\"><img src=\"" . $OUTPUT->old_icon_url('t/edit') . "\" ".
 128                      " class=\"iconsmall\" alt=\"$streditsummary\" /></a><br /><br />";
 129             }
 130
 131             get_all_mods($SITE->id, $mods, $modnames, $modnamesplural, $modnamesused);
 132             print_section($SITE, $section, $mods, $modnamesused, true);
 133
 134             if ($editing) {
 135                 print_section_add_menus($SITE, $section->section, $modnames);
 136             }
 137             echo $OUTPUT->box_end();
 138         }
 139     }
 140
 141     if (isloggedin() and !isguest() and isset($CFG->frontpageloggedin)) {
 142         $frontpagelayout = $CFG->frontpageloggedin;
 143     } else {
 144         $frontpagelayout = $CFG->frontpage;
 145     }
 146
 147     foreach (explode(',',$frontpagelayout) as $v) {
 148         switch ($v) {     /// Display the main part of the front page.
 149             case FRONTPAGENEWS:
 150                 if ($SITE->newsitems) { // Print forums only when needed
 151                     require_once($CFG->dirroot .'/mod/forum/lib.php');
 152
 153                     if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
 154                         print_error('cannotfindorcreateforum', 'forum');
 155                     }
 156
 157                     if (!empty($USER->id)) {
 158                         $SESSION->fromdiscussion = $CFG->wwwroot;
 159                         $subtext = '';
 160                         if (forum_is_subscribed($USER->id, $newsforum)) {
 161                             if (!forum_is_forcesubscribed($newsforum)) {
 162                                 $subtext = get_string('unsubscribe', 'forum');
 163                             }
 164                         } else {
 165                             $subtext = get_string('subscribe', 'forum');
 166                         }
 167                         echo $OUTPUT->heading($newsforum->name, 2, 'headingblock header');
 168                         echo '<div class="subscribelink"><a href="mod/forum/subscribe.php?id='.$newsforum->id.'">'.$subtext.'</a></div>';
 169                     } else {
 170                         echo $OUTPUT->heading($newsforum->name, 2, 'headingblock header');
 171                     }
 172
 173                     forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
 174                 }
 175             break;
 176
 177             case FRONTPAGECOURSELIST:
 178
 179                 if (isloggedin() and !has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguest() and empty($CFG->disablemycourses)) {
 180                     echo $OUTPUT->heading(get_string('mycourses'), 2, 'headingblock header');
 181                     print_my_moodle();
 182                 } else if ((!has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguest()) or ($DB->count_records('course') <= FRONTPAGECOURSELIMIT)) {
 183                     // admin should not see list of courses when there are too many of them
 184                     echo $OUTPUT->heading(get_string('availablecourses'), 2, 'headingblock header');
 185                     print_courses(0);
 186                 }
 187             break;
 188
 189             case FRONTPAGECATEGORYNAMES:
 190
 191                 echo $OUTPUT->heading(get_string('categories'), 2, 'headingblock header');
 192                 echo $OUTPUT->box_start('generalbox categorybox');
 193                 print_whole_category_list(NULL, NULL, NULL, -1, false);
 194                 echo $OUTPUT->box_end();
 195                 print_course_search('', false, 'short');
 196             break;
 197
 198             case FRONTPAGECATEGORYCOMBO:
 199
 200                 echo $OUTPUT->heading(get_string('categories'), 2, 'headingblock header');
 201                 echo $OUTPUT->box_start('generalbox categorybox');
 202                 print_whole_category_list(NULL, NULL, NULL, -1, true);
 203                 echo $OUTPUT->box_end();
 204                 print_course_search('', false, 'short');
 205             break;
 206
 207             case FRONTPAGETOPICONLY:    // Do nothing!!  :-)
 208             break;
 209
 210         }
 211         echo '<br />';
 212     }
 213
 214     echo $OUTPUT->footer();