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moodle/index.php

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<?php // $Id$
// index.php - the front page.
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.org //
// //
// Copyright (C) 1999 onwards Martin Dougiamas http://moodle.com //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
if (!file_exists('./config.php')) {
header('Location: install.php');
die;
}
require_once('config.php');
require_once($CFG->dirroot .'/course/lib.php');
require_once($CFG->dirroot .'/lib/blocklib.php');
if (!empty($THEME->customcorners)) {
require_once($CFG->dirroot.'/lib/custom_corners_lib.php');
}
if (empty($SITE)) {
redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
}
// Bounds for block widths
// more flexible for theme designers taken from theme config.php
$lmin = (empty($THEME->block_l_min_width)) ? 100 : $THEME->block_l_min_width;
$lmax = (empty($THEME->block_l_max_width)) ? 210 : $THEME->block_l_max_width;
$rmin = (empty($THEME->block_r_min_width)) ? 100 : $THEME->block_r_min_width;
$rmax = (empty($THEME->block_r_max_width)) ? 210 : $THEME->block_r_max_width;
define('BLOCK_L_MIN_WIDTH', $lmin);
define('BLOCK_L_MAX_WIDTH', $lmax);
define('BLOCK_R_MIN_WIDTH', $rmin);
define('BLOCK_R_MAX_WIDTH', $rmax);
// check if major upgrade needed - also present in login/index.php
if ((int)$CFG->version < 2006101100) { //1.7 or older
@require_logout();
redirect("$CFG->wwwroot/$CFG->admin/");
}
// Trigger 1.9 accesslib upgrade?
if ((int)$CFG->version < 2007092000
&& isset($USER->id)
&& is_siteadmin($USER->id)) { // this test is expensive, but is only triggered during the upgrade
redirect("$CFG->wwwroot/$CFG->admin/");
}
if ($CFG->forcelogin) {
require_login();
}
if ($CFG->rolesactive) { // if already using roles system
if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
if (moodle_needs_upgrading()) {
redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
}
} else if (!empty($CFG->mymoodleredirect)) { // Redirect logged-in users to My Moodle overview if required
if (isloggedin() && $USER->username != 'guest') {
redirect($CFG->wwwroot .'/my/index.php');
}
}
} else { // if upgrading from 1.6 or below
if (isadmin() && moodle_needs_upgrading()) {
redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
}
}
if (get_moodle_cookie() == '') {
set_moodle_cookie('nobody'); // To help search for cookies on login page
}
if (!empty($USER->id)) {
add_to_log(SITEID, 'course', 'view', 'view.php?id='.SITEID, SITEID);
}
if (empty($CFG->langmenu)) {
$langmenu = '';
} else {
$currlang = current_language();
$langs = get_list_of_languages();
$langlabel = get_accesshide(get_string('language'));
$langmenu = popup_form($CFG->wwwroot .'/index.php?lang=', $langs, 'chooselang', $currlang, '', '', '', true, 'self', $langlabel);
}
$PAGE = page_create_object(PAGE_COURSE_VIEW, SITEID);
$pageblocks = blocks_setup($PAGE);
$editing = $PAGE->user_is_editing();
$preferred_width_left = bounded_number(BLOCK_L_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]),
BLOCK_L_MAX_WIDTH);
$preferred_width_right = bounded_number(BLOCK_R_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]),
BLOCK_R_MAX_WIDTH);
print_header($SITE->fullname, $SITE->fullname, 'home', '',
'<meta name="description" content="'. s(strip_tags($SITE->summary)) .'" />',
true, '', user_login_string($SITE).$langmenu);
?>
<table id="layout-table" summary="layout">
<tr>
<?php
$lt = (empty($THEME->layouttable)) ? array('left', 'middle', 'right') : $THEME->layouttable;
foreach ($lt as $column) {
switch ($column) {
case 'left':
if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
echo '<td style="width: '.$preferred_width_left.'px;" id="left-column">';
if (!empty($THEME->customcorners)) print_custom_corners_start();
blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
if (!empty($THEME->customcorners)) print_custom_corners_end();
echo '</td>';
}
break;
case 'middle':
echo '<td id="middle-column">';
if (!empty($THEME->customcorners)) print_custom_corners_start();
/// Print Section
if ($SITE->numsections > 0) {
if (!$section = get_record('course_sections', 'course', $SITE->id, 'section', 1)) {
delete_records('course_sections', 'course', $SITE->id, 'section', 1); // Just in case
$section->course = $SITE->id;
$section->section = 1;
$section->summary = '';
$section->sequence = '';
$section->visible = 1;
$section->id = insert_record('course_sections', $section);
}
if (!empty($section->sequence) or !empty($section->summary) or $editing) {
print_box_start('generalbox sitetopic');
/// If currently moving a file then show the current clipboard
if (ismoving($SITE->id)) {
$stractivityclipboard = strip_tags(get_string('activityclipboard', '', addslashes($USER->activitycopyname)));
echo '<p><font size="2">';
echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=$USER->sesskey\">". get_string('cancel') .'</a>)';
echo '</font></p>';
}
$options = NULL;
$options->noclean = true;
echo format_text($section->summary, FORMAT_HTML, $options);
if ($editing) {
$streditsummary = get_string('editsummary');
echo "<a title=\"$streditsummary\" ".
" href=\"course/editsection.php?id=$section->id\"><img src=\"$CFG->pixpath/t/edit.gif\" ".
" class=\"iconsmall\" alt=\"$streditsummary\" /></a><br /><br />";
}
get_all_mods($SITE->id, $mods, $modnames, $modnamesplural, $modnamesused);
print_section($SITE, $section, $mods, $modnamesused, true);
if ($editing) {
print_section_add_menus($SITE, $section->section, $modnames);
}
print_box_end();
}
}
if (isloggedin() and !isguest() and isset($CFG->frontpageloggedin)) {
$frontpagelayout = $CFG->frontpageloggedin;
} else {
$frontpagelayout = $CFG->frontpage;
}
foreach (explode(',',$frontpagelayout) as $v) {
switch ($v) { /// Display the main part of the front page.
case strval(FRONTPAGENEWS):
if ($SITE->newsitems) { // Print forums only when needed
require_once($CFG->dirroot .'/mod/forum/lib.php');
if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
error('Could not find or create a main news forum for the site');
}
if (!empty($USER->id)) {
$SESSION->fromdiscussion = $CFG->wwwroot;
if (forum_is_subscribed($USER->id, $newsforum->id)) {
$subtext = get_string('unsubscribe', 'forum');
} else {
$subtext = get_string('subscribe', 'forum');
}
print_heading_block($newsforum->name);
echo '<div class="subscribelink"><a href="mod/forum/subscribe.php?id='.$newsforum->id.'">'.$subtext.'</a></div>';
} else {
print_heading_block($newsforum->name);
}
forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
}
break;
case FRONTPAGECOURSELIST:
if (isloggedin() and !has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguest() and empty($CFG->disablemycourses)) {
print_heading_block(get_string('mycourses'));
print_my_moodle();
} else if ((!has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM)) and !isguest()) or (count_records('course') <= FRONTPAGECOURSELIMIT)) {
// admin should not see list of courses when there are too many of them
print_heading_block(get_string('availablecourses'));
print_courses(0);
}
break;
case FRONTPAGECATEGORYNAMES:
print_heading_block(get_string('categories'));
print_box_start('generalbox categorybox');
print_whole_category_list(NULL, NULL, NULL, -1, false);
print_box_end();
print_course_search('', false, 'short');
break;
case FRONTPAGECATEGORYCOMBO:
print_heading_block(get_string('categories'));
print_box_start('generalbox categorybox');
print_whole_category_list(NULL, NULL, NULL, -1, true);
print_box_end();
print_course_search('', false, 'short');
break;
case FRONTPAGETOPICONLY: // Do nothing!! :-)
break;
}
echo '<br />';
}
if (!empty($THEME->customcorners)) print_custom_corners_end();
echo '</td>';
break;
case 'right':
// The right column
if (blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $editing || $PAGE->user_allowed_editing()) {
echo '<td style="width: '.$preferred_width_right.'px;" id="right-column">';
if (!empty($THEME->customcorners)) print_custom_corners_start();
if ($PAGE->user_allowed_editing()) {
echo '<div style="text-align:center">'.update_course_icon($SITE->id).'</div>';
echo '<br />';
}
blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
if (!empty($THEME->customcorners)) print_custom_corners_end();
echo '</td>';
}
break;
}
}
?>
</tr>
</table>
<?php
print_footer('home'); // Please do not modify this line
?>
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