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) 1999-2999  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 /// Bounds for block widths on this page
  34     define('BLOCK_L_MIN_WIDTH', 160);
  35     define('BLOCK_L_MAX_WIDTH', 210);
  36     define('BLOCK_R_MIN_WIDTH', 160);
  37     define('BLOCK_R_MAX_WIDTH', 210);
  38
  39     require_once('config.php');
  40     require_once($CFG->dirroot .'/course/lib.php');
  41     require_once($CFG->dirroot .'/lib/blocklib.php');
  42
  43     if (empty($SITE)) {
  44         redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
  45     }
  46
  47     if ($CFG->forcelogin) {
  48         require_login();
  49     }
  50
  51     if ($CFG->rolesactive) { // if already using roles system
  52         if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
  53             if (moodle_needs_upgrading()) {
  54                 redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
  55             }
  56         } else if (!empty($CFG->mymoodleredirect)) {    // Redirect logged-in users to My Moodle overview if required
  57             if (isloggedin() and !isguest()) {
  58                 redirect($CFG->wwwroot .'/my/index.php');
  59             }
  60         }
  61     } else { // if upgrading from 1.6 or below
  62         if (isadmin() && moodle_needs_upgrading()) {
  63             redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
  64         }
  65     }
  66
  67
  68     if (get_moodle_cookie() == '') {
  69         set_moodle_cookie('nobody');   // To help search for cookies on login page
  70     }
  71
  72     if (!empty($USER->id)) {
  73         add_to_log(SITEID, 'course', 'view', 'view.php?id='.SITEID, SITEID);
  74     }
  75
  76     if (empty($CFG->langmenu)) {
  77         $langmenu = '';
  78     } else {
  79         $currlang = current_language();
  80         $langs = get_list_of_languages();
  81         $langmenu = popup_form ($CFG->wwwroot .'/index.php?lang=', $langs, 'chooselang', $currlang, '', '', '', true);
  82     }
  83
  84     $PAGE       = page_create_object(PAGE_COURSE_VIEW, SITEID);
  85     $pageblocks = blocks_setup($PAGE);
  86     $editing    = $PAGE->user_is_editing();
  87     $preferred_width_left  = bounded_number(BLOCK_L_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]),
  88                                             BLOCK_L_MAX_WIDTH);
  89     $preferred_width_right = bounded_number(BLOCK_R_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]),
  90                                             BLOCK_R_MAX_WIDTH);
  91
  92     print_header(strip_tags($SITE->fullname), $SITE->fullname, 'home', '',
  93                  '<meta name="description" content="'. s(strip_tags($SITE->summary)) .'" />',
  94                  true, '', user_login_string($SITE).$langmenu);
  95
  96 ?>
  97
  98
  99 <table id="layout-table">
 100   <tr>
 101   <?php
 102
 103     if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
 104         echo '<td style="width: '.$preferred_width_left.'px;" id="left-column">';
 105         blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
 106         echo '</td>';
 107     }
 108
 109     echo '<td id="middle-column">';
 110
 111
 112 /// Print Section
 113     if ($SITE->numsections > 0) {
 114
 115         if (!$section = get_record('course_sections', 'course', $SITE->id, 'section', 1)) {
 116             delete_records('course_sections', 'course', $SITE->id, 'section', 1); // Just in case
 117             $section->course = $SITE->id;
 118             $section->section = 1;
 119             $section->summary = '';
 120             $section->sequence = '';
 121             $section->visible = 1;
 122             $section->id = insert_record('course_sections', $section);
 123         }
 124
 125         if (!empty($section->sequence) or !empty($section->summary) or $editing) {
 126             print_simple_box_start('center', '100%', '', 5, 'sitetopic');
 127
 128             /// If currently moving a file then show the current clipboard
 129             if (ismoving($SITE->id)) {
 130                 $stractivityclipboard = strip_tags(get_string('activityclipboard', '', addslashes($USER->activitycopyname)));
 131                 echo '<p><font size="2">';
 132                 echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=$USER->sesskey\">". get_string('cancel') .'</a>)';
 133                 echo '</font></p>';
 134             }
 135
 136             $options = NULL;
 137             $options->noclean = true;
 138             echo format_text($section->summary, FORMAT_HTML, $options);
 139
 140             if ($editing) {
 141                 $streditsummary = get_string('editsummary');
 142                 echo "<a title=\"$streditsummary\" ".
 143                      " href=\"course/editsection.php?id=$section->id\"><img src=\"$CFG->pixpath/t/edit.gif\" ".
 144                      " height=\"11\" width=\"11\" border=\"0\" alt=\"$streditsummary\" /></a><br /><br />";
 145             }
 146
 147             get_all_mods($SITE->id, $mods, $modnames, $modnamesplural, $modnamesused);
 148             print_section($SITE, $section, $mods, $modnamesused, true);
 149
 150             if ($editing) {
 151                 print_section_add_menus($SITE, $section->section, $modnames);
 152             }
 153             print_simple_box_end();
 154         }
 155     }
 156
 157     if (isloggedin() and !isguest() and isset($CFG->frontpageloggedin)) {
 158         $frontpagelayout = $CFG->frontpageloggedin;
 159     } else {
 160         $frontpagelayout = $CFG->frontpage;
 161     }
 162
 163     foreach (explode(',',$frontpagelayout) as $v) {
 164         switch ($v) {     /// Display the main part of the front page.
 165             case strval(FRONTPAGENEWS):
 166                 if ($SITE->newsitems) { // Print forums only when needed
 167                     require_once($CFG->dirroot .'/mod/forum/lib.php');
 168
 169                     if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
 170                         error('Could not find or create a main news forum for the site');
 171                     }
 172
 173                     if (!empty($USER->id)) {
 174                         $SESSION->fromdiscussion = $CFG->wwwroot;
 175                         if (forum_is_subscribed($USER->id, $newsforum->id)) {
 176                             $subtext = get_string('unsubscribe', 'forum');
 177                         } else {
 178                             $subtext = get_string('subscribe', 'forum');
 179                         }
 180                         $headertext = '<table width="100%" border="0" cellspacing="0" cellpadding="0"><tr>'.
 181                             '<td><div class="title">'.$newsforum->name.'</div></td>'.
 182                             '<td><div class="link"><a href="mod/forum/subscribe.php?id='.$newsforum->id.'">'.$subtext.'</a></div></td>'.
 183                             '</tr></table>';
 184                     } else {
 185                         $headertext = $newsforum->name;
 186                     }
 187
 188                     print_heading_block($headertext);
 189                     forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
 190                 }
 191             break;
 192
 193             case FRONTPAGECOURSELIST:
 194
 195                 if (isloggedin() and !has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM, SITEID)) and !isguest() and empty($CFG->disablemycourses)) {
 196                     print_heading_block(get_string('mycourses'));
 197                     print_my_moodle();
 198                 } else if ((!has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM, SITEID)) and !isguest()) or (count_records('course') <= FRONTPAGECOURSELIMIT)) {
 199                     // admin should not see list of courses when there are too many of them
 200                     print_heading_block(get_string('availablecourses'));
 201                     print_courses(0, '100%', true);
 202                 }
 203             break;
 204
 205             case FRONTPAGECATEGORYNAMES:
 206
 207                 print_heading_block(get_string('categories'));
 208                 print_simple_box_start('center', '100%', '', 5, 'categorybox');
 209                 print_whole_category_list(NULL, NULL, NULL, -1, false);
 210                 print_simple_box_end();
 211                 print_course_search('', false, 'short');
 212             break;
 213
 214             case FRONTPAGECATEGORYCOMBO:
 215
 216                 print_heading_block(get_string('categories'));
 217                 print_simple_box_start('center', '100%', '', 5, 'categorybox');
 218                 print_whole_category_list(NULL, NULL, NULL, -1, true);
 219                 print_simple_box_end();
 220                 print_course_search('', false, 'short');
 221             break;
 222
 223             case FRONTPAGETOPICONLY:    // Do nothing!!  :-)
 224             break;
 225
 226         }
 227         echo '<br />';
 228     }
 229
 230     echo '</td>';
 231
 232     // The right column
 233     if (blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $editing || has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
 234         echo '<td style="width: '.$preferred_width_right.'px;" id="right-column">';
 235         if (has_capability('moodle/course:update', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
 236             echo '<div align="center">'.update_course_icon($SITE->id).'</div>';
 237             echo '<br />';
 238         }
 239         blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
 240         echo '</td>';
 241     }
 242 ?>
 243
 244   </tr>
 245 </table>
 246
 247 <?php
 248     print_footer('home');     // Please do not modify this line
 249 ?>