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