removed $SESSION->encoding now replaced by current_charset() and $CFG->unicodedb...
[moodle.git] / index.php
1 <?php  // $Id$
2        // index.php - the front page.
4     if (!file_exists('./config.php')) {
5         header('Location: install.php');
6         die;
7     }
9 /// Bounds for block widths on this page
10     define('BLOCK_L_MIN_WIDTH', 160);
11     define('BLOCK_L_MAX_WIDTH', 210);
12     define('BLOCK_R_MIN_WIDTH', 160);
13     define('BLOCK_R_MAX_WIDTH', 210);
15     require_once('config.php');
16     require_once($CFG->dirroot .'/course/lib.php');
17     require_once($CFG->dirroot .'/lib/blocklib.php');
19     if (empty($SITE)) {
20         redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
21     }
23     if ($CFG->forcelogin) {
24         require_login();
25     }
27     if (isadmin()) {
28         if (moodle_needs_upgrading()) {
29             redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
30         }
31     }
33     if (get_moodle_cookie() == '') {   
34         set_moodle_cookie('nobody');   // To help search for cookies on login page
35     }
37     if (!empty($USER->id)) {
38         add_to_log(SITEID, 'course', 'view', 'view.php?id='.SITEID, SITEID);
39     }
41     if (empty($CFG->langmenu)) {
42         $langmenu = '';
43     } else {
44         $currlang = current_language();
45         $langs = get_list_of_languages();
46         $langmenu = popup_form ($CFG->wwwroot .'/index.php?lang=', $langs, 'chooselang', $currlang, '', '', '', true);
47     }
49     $PAGE       = page_create_object(PAGE_COURSE_VIEW, SITEID);
50     $pageblocks = blocks_setup($PAGE);
51     $editing    = $PAGE->user_is_editing();
52     $preferred_width_left  = bounded_number(BLOCK_L_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]),  
53                                             BLOCK_L_MAX_WIDTH);
54     $preferred_width_right = bounded_number(BLOCK_R_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]), 
55                                             BLOCK_R_MAX_WIDTH);
57     print_header(strip_tags($SITE->fullname), $SITE->fullname, 'home', '',
58                  '<meta name="description" content="'. s(strip_tags($SITE->summary)) .'" />',
59                  true, '', user_login_string($SITE).$langmenu);
61 ?>
64 <table id="layout-table">
65   <tr>
66   <?php
68     if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
69         echo '<td style="width: '.$preferred_width_left.'px;" id="left-column">';
70         blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
71         echo '</td>';
72     }
74     echo '<td id="middle-column">';
77 /// Print Section
78     if ($SITE->numsections > 0) {
80         if (!$section = get_record('course_sections', 'course', $SITE->id, 'section', 1)) {
81             delete_records('course_sections', 'course', $SITE->id, 'section', 1); // Just in case
82             $section->course = $SITE->id;
83             $section->section = 1;
84             $section->summary = '';
85             $section->sequence = '';
86             $section->visible = 1;
87             $section->id = insert_record('course_sections', $section);
88         }
90         if (!empty($section->sequence) or !empty($section->summary) or $editing) {
91             print_simple_box_start('center', '100%', '', 5, 'sitetopic');
93             /// If currently moving a file then show the current clipboard
94             if (ismoving($SITE->id)) {
95                 $stractivityclipboard = strip_tags(get_string('activityclipboard', '', addslashes($USER->activitycopyname)));
96                 echo '<p><font size="2">';
97                 echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=$USER->sesskey\">". get_string('cancel') .'</a>)';
98                 echo '</font></p>';
99             }
101             $options = NULL;
102             $options->noclean = true;
103             echo format_text($section->summary, FORMAT_HTML, $options);
105             if ($editing) {
106                 $streditsummary = get_string('editsummary');
107                 echo "<a title=\"$streditsummary\" ".
108                      " href=\"course/editsection.php?id=$section->id\"><img src=\"$CFG->pixpath/t/edit.gif\" ".
109                      " height=\"11\" width=\"11\" border=\"0\" alt=\"$streditsummary\" /></a><br /><br />";
110             }
112             get_all_mods($SITE->id, $mods, $modnames, $modnamesplural, $modnamesused);
113             print_section($SITE, $section, $mods, $modnamesused, true);
114     
115             if ($editing) {
116                 print_section_add_menus($SITE, $section->section, $modnames);
117             }
118             print_simple_box_end();
119         }
120     }
122     foreach (explode(',',$CFG->frontpage) as $v) {
123         switch ($v) {     /// Display the main part of the front page.
124             case strval(FRONTPAGENEWS):
125                 if ($SITE->newsitems) { // Print forums only when needed
126                     require_once($CFG->dirroot .'/mod/forum/lib.php');
128                     if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
129                         error('Could not find or create a main news forum for the site');
130                     }
132                     if (isset($USER->id)) {
133                         $SESSION->fromdiscussion = $CFG->wwwroot;
134                         if (forum_is_subscribed($USER->id, $newsforum->id)) {
135                             $subtext = get_string('unsubscribe', 'forum');
136                         } else {
137                             $subtext = get_string('subscribe', 'forum');
138                         }
139                         $headertext = '<table width="100%" border="0" cellspacing="0" cellpadding="0"><tr>'.
140                             '<td><div class="title">'.$newsforum->name.'</div></td>'.
141                             '<td><div class="link"><a href="mod/forum/subscribe.php?id='.$newsforum->id.'">'.$subtext.'</a></div></td>'.
142                             '</tr></table>';
143                     } else {
144                         $headertext = $newsforum->name;
145                     }
147                     print_heading_block($headertext);
148                     forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems);
149                 }
150             break;
152             case FRONTPAGECOURSELIST:
154                 if (isloggedin() && !isset($USER->admin) && empty($CFG->disablemycourses)) {
155                     print_heading_block(get_string('mycourses'));
156                     print_my_moodle();
157                 } else {
158                     print_heading_block(get_string('availablecourses'));
159                     print_courses(0, '100%', true);
160                 }
161             break;
163             case FRONTPAGECATEGORYNAMES:
165                 print_heading_block(get_string('categories'));
166                 print_simple_box_start('center', '100%', '', 5, 'categorybox');
167                 print_whole_category_list();
168                 print_simple_box_end();
169                 print_course_search('', false, 'short');
170             break;
172             case FRONTPAGETOPICONLY:    // Do nothing!!  :-)
173             break;
175         }
176         echo '<br />';
177     }
179     echo '</td>';
182     // The right column
183     if (blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $editing || isadmin()) {
184         echo '<td style="width: '.$preferred_width_right.'px;" id="right-column">';
185         if (isadmin()) {
186             echo '<div align="center">'.update_course_icon($SITE->id).'</div>';
187             echo '<br />';
188         }
189         blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
190         echo '</td>';
191     }
192 ?>
194   </tr>
195 </table>
197 <?php
198     print_footer('home');     // Please do not modify this line
199 ?>