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
 109     print_header($SITE->fullname, $SITE->fullname, 'home', '',
 110                  '<meta name="description" content="'. s(strip_tags($SITE->summary)) .'" />',
 111                  true, '', user_login_string($SITE).$langmenu);
 112
 113 ?>
 114
 115
 116 <table id="layout-table" summary="layout">
 117   <tr>
 118   <?php
 119     $lt = (empty($THEME->layouttable)) ? array('left', 'middle', 'right') : $THEME->layouttable;
 120     foreach ($lt as $column) {
 121         switch ($column) {
 122             case 'left':
 123     if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
 124         echo '<td style="width: '.$preferred_width_left.'px;" id="left-column">';
 125         if (!empty($THEME->customcorners)) print_custom_corners_start();
 126         blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
 127         if (!empty($THEME->customcorners)) print_custom_corners_end();
 128         echo '</td>';
 129     }
 130             break;
 131             case 'middle':
 132     echo '<td id="middle-column">';
 133
 134     if (!empty($THEME->customcorners)) print_custom_corners_start();
 135
 136 /// Print Section
 137     if ($SITE->numsections > 0) {
 138
 139         if (!$section = get_record('course_sections', 'course', $SITE->id, 'section', 1)) {
 140             delete_records('course_sections', 'course', $SITE->id, 'section', 1); // Just in case
 141             $section->course = $SITE->id;
 142             $section->section = 1;
 143             $section->summary = '';
 144             $section->sequence = '';
 145             $section->visible = 1;
 146             $section->id = insert_record('course_sections', $section);
 147         }
 148
 149         if (!empty($section->sequence) or !empty($section->summary) or $editing) {
 150             print_box_start('generalbox sitetopic');
 151
 152             /// If currently moving a file then show the current clipboard
 153             if (ismoving($SITE->id)) {
 154                 $stractivityclipboard = strip_tags(get_string('activityclipboard', '', addslashes($USER->activitycopyname)));
 155                 echo '<p><font size="2">';
 156                 echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=$USER->sesskey\">". get_string('cancel') .'</a>)';
 157                 echo '</font></p>';
 158             }
 159
 160             $options = NULL;
 161             $options->noclean = true;
 162             echo format_text($section->summary, FORMAT_HTML, $options);
 163
 164             if ($editing) {
 165                 $streditsummary = get_string('editsummary');
 166                 echo "<a title=\"$streditsummary\" ".
 167                      " href=\"course/editsection.php?id=$section->id\"><img src=\"$CFG->pixpath/t/edit.gif\" ".
 168                      " class=\"iconsmall\" alt=\"$streditsummary\" /></a><br /><br />";
 169             }
 170
 171             get_all_mods($SITE->id, $mods, $modnames, $modnamesplural, $modnamesused);
 172             print_section($SITE, $section, $mods, $modnamesused, true);
 173
 174             if ($editing) {
 175                 print_section_add_menus($SITE, $section->section, $modnames);
 176             }
 177             print_box_end();
 178         }
 179     }
 180
 181     if (isloggedin() and !isguest() and isset($CFG->frontpageloggedin)) {
 182         $frontpagelayout = $CFG->frontpageloggedin;
 183     } else {
 184         $frontpagelayout = $CFG->frontpage;
 185     }
 186
 187     foreach (explode(',',$frontpagelayout) as $v) {
 188         switch ($v) {     /// Display the main part of the front page.
 189             case strval(FRONTPAGENEWS):
 190                 if ($SITE->newsitems) { // Print forums only when needed
 191                     require_once($CFG->dirroot .'/mod/forum/lib.php');
 192
 193                     if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
 194                         error('Could not find or create a main news forum for the site');
 195                     }
 196
 197                     if (!empty($USER->id)) {
 198                         $SESSION->fromdiscussion = $CFG->wwwroot;
 199                         if (forum_is_subscribed($USER->id, $newsforum->id)) {
 200                             $subtext = get_string('unsubscribe', 'forum');
 201                         } else {
 202                             $subtext = get_string('subscribe', 'forum');
 203                         }
 204                         print_heading_block($newsforum->name);
 205                         echo '<div class="subscribelink"><a href="mod/forum/subscribe.php?id='.$newsforum->id.'">'.$subtext.'</a></div>';
 206                     } else {
 207                         print_heading_block($newsforum->name);
 208                     }
 209
 210                     forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
 211                 }
 212             break;
 213
 214             case FRONTPAGECOURSELIST:
 215
 216                 if (isloggedin() and !has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguest() and empty($CFG->disablemycourses)) {
 217                     print_heading_block(get_string('mycourses'));
 218                     print_my_moodle();
 219                 } else if ((!has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguest()) or (count_records('course') <= FRONTPAGECOURSELIMIT)) {
 220                     // admin should not see list of courses when there are too many of them
 221                     print_heading_block(get_string('availablecourses'));
 222                     print_courses(0, true);
 223                 }
 224             break;
 225
 226             case FRONTPAGECATEGORYNAMES:
 227
 228                 print_heading_block(get_string('categories'));
 229                 print_box_start('generalbox categorybox');
 230                 print_whole_category_list(NULL, NULL, NULL, -1, false);
 231                 print_box_end();
 232                 print_course_search('', false, 'short');
 233             break;
 234
 235             case FRONTPAGECATEGORYCOMBO:
 236
 237                 print_heading_block(get_string('categories'));
 238                 print_box_start('generalbox categorybox');
 239                 print_whole_category_list(NULL, NULL, NULL, -1, true);
 240                 print_box_end();
 241                 print_course_search('', false, 'short');
 242             break;
 243
 244             case FRONTPAGETOPICONLY:    // Do nothing!!  :-)
 245             break;
 246
 247         }
 248         echo '<br />';
 249     }
 250
 251     if (!empty($THEME->customcorners)) print_custom_corners_end();
 252
 253     echo '</td>';
 254             break;
 255             case 'right':
 256     // The right column
 257     if (blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $editing || has_capability('moodle/course:update', get_context_instance(CONTEXT_COURSE, SITEID))) {
 258         echo '<td style="width: '.$preferred_width_right.'px;" id="right-column">';
 259         if (!empty($THEME->customcorners)) print_custom_corners_start();
 260         if (has_capability('moodle/course:update', get_context_instance(CONTEXT_COURSE, SITEID))) {
 261             echo '<div style="text-align:center">'.update_course_icon($SITE->id).'</div>';
 262             echo '<br />';
 263         }
 264         blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
 265         if (!empty($THEME->customcorners)) print_custom_corners_end();
 266         echo '</td>';
 267     }
 268             break;
 269         }
 270     }
 271 ?>
 272
 273   </tr>
 274 </table>
 275
 276 <?php
 277     print_footer('home');     // Please do not modify this line
 278 ?>