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     require_once('config.php');
  34     require_once($CFG->dirroot .'/course/lib.php');
  35     require_once($CFG->dirroot .'/lib/blocklib.php');
  36
  37     if (empty($SITE)) {
  38         redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
  39     }
  40
  41     // Bounds for block widths
  42     // more flexible for theme designers taken from theme config.php
  43     $lmin = (empty($THEME->block_l_min_width)) ? 100 : $THEME->block_l_min_width;
  44     $lmax = (empty($THEME->block_l_max_width)) ? 210 : $THEME->block_l_max_width;
  45     $rmin = (empty($THEME->block_r_min_width)) ? 100 : $THEME->block_r_min_width;
  46     $rmax = (empty($THEME->block_r_max_width)) ? 210 : $THEME->block_r_max_width;
  47
  48     define('BLOCK_L_MIN_WIDTH', $lmin);
  49     define('BLOCK_L_MAX_WIDTH', $lmax);
  50     define('BLOCK_R_MIN_WIDTH', $rmin);
  51     define('BLOCK_R_MAX_WIDTH', $rmax);
  52
  53    // check if major upgrade needed - also present in login/index.php
  54     if ((int)$CFG->version < 2006101100) { //1.7 or older
  55         @require_logout();
  56         redirect("$CFG->wwwroot/$CFG->admin/");
  57     }
  58
  59     if ($CFG->forcelogin) {
  60         require_login();
  61     }
  62
  63     if ($CFG->rolesactive) { // if already using roles system
  64         if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
  65             if (moodle_needs_upgrading()) {
  66                 redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
  67             }
  68         } else if (!empty($CFG->mymoodleredirect)) {    // Redirect logged-in users to My Moodle overview if required
  69             if (isloggedin() && $USER->username != 'guest') {
  70                 redirect($CFG->wwwroot .'/my/index.php');
  71             }
  72         }
  73     } else { // if upgrading from 1.6 or below
  74         if (isadmin() && moodle_needs_upgrading()) {
  75             redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
  76         }
  77     }
  78
  79
  80     if (get_moodle_cookie() == '') {
  81         set_moodle_cookie('nobody');   // To help search for cookies on login page
  82     }
  83
  84     if (!empty($USER->id)) {
  85         add_to_log(SITEID, 'course', 'view', 'view.php?id='.SITEID, SITEID);
  86     }
  87
  88     if (empty($CFG->langmenu)) {
  89         $langmenu = '';
  90     } else {
  91         $currlang = current_language();
  92         $langs = get_list_of_languages();
  93         $langlabel = '<span class="accesshide">'.get_string('language').':</span>';
  94         $langmenu = popup_form($CFG->wwwroot .'/index.php?lang=', $langs, 'chooselang', $currlang, '', '', '', true, 'self', $langlabel);
  95     }
  96
  97     $PAGE       = page_create_object(PAGE_COURSE_VIEW, SITEID);
  98     $pageblocks = blocks_setup($PAGE);
  99     $editing    = $PAGE->user_is_editing();
 100     $preferred_width_left  = bounded_number(BLOCK_L_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]),
 101                                             BLOCK_L_MAX_WIDTH);
 102     $preferred_width_right = bounded_number(BLOCK_R_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]),
 103                                             BLOCK_R_MAX_WIDTH);
 104
 105     print_header(strip_tags($SITE->fullname), $SITE->fullname, 'home', '',
 106                  '<meta name="description" content="'. s(strip_tags($SITE->summary)) .'" />',
 107                  true, '', user_login_string($SITE).$langmenu);
 108
 109 ?>
 110
 111
 112 <table id="layout-table" summary="layout">
 113   <tr>
 114   <?php
 115     $lt = (empty($THEME->layouttable)) ? array('left', 'middle', 'right') : $THEME->layouttable;
 116     foreach ($lt as $column) {
 117         switch ($column) {
 118             case 'left':
 119     if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
 120         echo '<td style="width: '.$preferred_width_left.'px;" id="left-column">';
 121         if (!empty($THEME->roundcorners)) {
 122             echo '<div class="bt"><div></div></div>';
 123             echo '<div class="i1"><div class="i2"><div class="i3">';
 124         }
 125         blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
 126         if (!empty($THEME->roundcorners)) {
 127             echo '</div></div></div>';
 128             echo '<div class="bb"><div></div></div>';
 129         }
 130         echo '</td>';
 131     }
 132             break;
 133             case 'middle':
 134     echo '<td id="middle-column">';
 135
 136     if (!empty($THEME->roundcorners)) {
 137         echo '<div class="bt"><div></div></div>';
 138         echo '<div class="i1"><div class="i2"><div class="i3">';
 139     }
 140
 141 /// Print Section
 142     if ($SITE->numsections > 0) {
 143
 144         if (!$section = get_record('course_sections', 'course', $SITE->id, 'section', 1)) {
 145             delete_records('course_sections', 'course', $SITE->id, 'section', 1); // Just in case
 146             $section->course = $SITE->id;
 147             $section->section = 1;
 148             $section->summary = '';
 149             $section->sequence = '';
 150             $section->visible = 1;
 151             $section->id = insert_record('course_sections', $section);
 152         }
 153
 154         if (!empty($section->sequence) or !empty($section->summary) or $editing) {
 155             print_box_start('generalbox sitetopic');
 156
 157             /// If currently moving a file then show the current clipboard
 158             if (ismoving($SITE->id)) {
 159                 $stractivityclipboard = strip_tags(get_string('activityclipboard', '', addslashes($USER->activitycopyname)));
 160                 echo '<p><font size="2">';
 161                 echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=$USER->sesskey\">". get_string('cancel') .'</a>)';
 162                 echo '</font></p>';
 163             }
 164
 165             $options = NULL;
 166             $options->noclean = true;
 167             echo format_text($section->summary, FORMAT_HTML, $options);
 168
 169             if ($editing) {
 170                 $streditsummary = get_string('editsummary');
 171                 echo "<a title=\"$streditsummary\" ".
 172                      " href=\"course/editsection.php?id=$section->id\"><img src=\"$CFG->pixpath/t/edit.gif\" ".
 173                      " class=\"iconsmall\" alt=\"$streditsummary\" /></a><br /><br />";
 174             }
 175
 176             get_all_mods($SITE->id, $mods, $modnames, $modnamesplural, $modnamesused);
 177             print_section($SITE, $section, $mods, $modnamesused, true);
 178
 179             if ($editing) {
 180                 print_section_add_menus($SITE, $section->section, $modnames);
 181             }
 182             print_box_end();
 183         }
 184     }
 185
 186     if (isloggedin() and !isguest() and isset($CFG->frontpageloggedin)) {
 187         $frontpagelayout = $CFG->frontpageloggedin;
 188     } else {
 189         $frontpagelayout = $CFG->frontpage;
 190     }
 191
 192     foreach (explode(',',$frontpagelayout) as $v) {
 193         switch ($v) {     /// Display the main part of the front page.
 194             case strval(FRONTPAGENEWS):
 195                 if ($SITE->newsitems) { // Print forums only when needed
 196                     require_once($CFG->dirroot .'/mod/forum/lib.php');
 197
 198                     if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
 199                         error('Could not find or create a main news forum for the site');
 200                     }
 201
 202                     if (!empty($USER->id)) {
 203                         $SESSION->fromdiscussion = $CFG->wwwroot;
 204                         if (forum_is_subscribed($USER->id, $newsforum->id)) {
 205                             $subtext = get_string('unsubscribe', 'forum');
 206                         } else {
 207                             $subtext = get_string('subscribe', 'forum');
 208                         }
 209                         print_heading_block($newsforum->name);
 210                         echo '<div class="subscribelink"><a href="mod/forum/subscribe.php?id='.$newsforum->id.'">'.$subtext.'</a></div>';
 211                     } else {
 212                         print_heading_block($newsforum->name);
 213                     }
 214
 215                     forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
 216                 }
 217             break;
 218
 219             case FRONTPAGECOURSELIST:
 220
 221                 if (isloggedin() and !has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguest() and empty($CFG->disablemycourses)) {
 222                     print_heading_block(get_string('mycourses'));
 223                     print_my_moodle();
 224                 } else if ((!has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguest()) or (count_records('course') <= FRONTPAGECOURSELIMIT)) {
 225                     // admin should not see list of courses when there are too many of them
 226                     print_heading_block(get_string('availablecourses'));
 227                     print_courses(0, true);
 228                 }
 229             break;
 230
 231             case FRONTPAGECATEGORYNAMES:
 232
 233                 print_heading_block(get_string('categories'));
 234                 print_box_start('generalbox categorybox');
 235                 print_whole_category_list(NULL, NULL, NULL, -1, false);
 236                 print_box_end();
 237                 print_course_search('', false, 'short');
 238             break;
 239
 240             case FRONTPAGECATEGORYCOMBO:
 241
 242                 print_heading_block(get_string('categories'));
 243                 print_box_start('generalbox categorybox');
 244                 print_whole_category_list(NULL, NULL, NULL, -1, true);
 245                 print_box_end();
 246                 print_course_search('', false, 'short');
 247             break;
 248
 249             case FRONTPAGETOPICONLY:    // Do nothing!!  :-)
 250             break;
 251
 252         }
 253         echo '<br />';
 254     }
 255
 256     if (!empty($THEME->roundcorners)) {
 257         echo '</div></div></div>';
 258         echo '<div class="bb"><div></div></div>';
 259     }
 260
 261     echo '</td>';
 262             break;
 263             case 'right':
 264     // The right column
 265     if (blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $editing || has_capability('moodle/course:update', get_context_instance(CONTEXT_COURSE, SITEID))) {
 266         echo '<td style="width: '.$preferred_width_right.'px;" id="right-column">';
 267         if (!empty($THEME->roundcorners)) {
 268             echo '<div class="bt"><div></div></div>';
 269             echo '<div class="i1"><div class="i2"><div class="i3">';
 270         }
 271         if (has_capability('moodle/course:update', get_context_instance(CONTEXT_COURSE, SITEID))) {
 272             echo '<div style="text-align:center">'.update_course_icon($SITE->id).'</div>';
 273             echo '<br />';
 274         }
 275         blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
 276         if (!empty($THEME->roundcorners)) {
 277             echo '</div></div></div>';
 278             echo '<div class="bb"><div></div></div>';
 279         }
 280         echo '</td>';
 281     }
 282             break;
 283         }
 284     }
 285 ?>
 286
 287   </tr>
 288 </table>
 289
 290 <?php
 291     print_footer('home');     // Please do not modify this line
 292 ?>