<?php // $Id$
// Display the course home page.
require_once('../config.php');
require_once('lib.php');
require_once($CFG->libdir.'/blocklib.php');
require_once($CFG->libdir.'/ajax/ajaxlib.php');
require_once($CFG->dirroot.'/mod/forum/lib.php');
$id = optional_param('id', 0, PARAM_INT);
$name = optional_param('name', '', PARAM_RAW);
$edit = optional_param('edit', -1, PARAM_BOOL);
$hide = optional_param('hide', 0, PARAM_INT);
$show = optional_param('show', 0, PARAM_INT);
$idnumber = optional_param('idnumber', '', PARAM_RAW);
$section = optional_param('section', 0, PARAM_INT);
$move = optional_param('move', 0, PARAM_INT);
$marker = optional_param('marker',-1 , PARAM_INT);
$switchrole = optional_param('switchrole',-1, PARAM_INT);
if (empty($id) && empty($name) && empty($idnumber)) {
error("Must specify course id, short name or idnumber");
}
if (!empty($name)) {
if (! ($course = get_record('course', 'shortname', $name)) ) {
error('Invalid short course name');
}
} else if (!empty($idnumber)) {
if (! ($course = get_record('course', 'idnumber', $idnumber)) ) {
error('Invalid course idnumber');
}
} else {
if (! ($course = get_record('course', 'id', $id)) ) {
error('Invalid course id');
}
}
if (!$context = get_context_instance(CONTEXT_COURSE, $course->id)) {
print_error('nocontext');
}
// Remove any switched roles before checking login
if ($switchrole == 0 && confirm_sesskey()) {
role_switch($switchrole, $context);
}
require_login($course->id);
// Switchrole - sanity check in cost-order...
if ($switchrole > 0 && confirm_sesskey() &&
has_capability('moodle/role:switchroles', $context)) {
// is this role assignable in this context?
// inquiring minds want to know...
$aroles = get_assignable_roles($context);
if (is_array($aroles) && isset($aroles[$switchrole])) {
role_switch($switchrole, $context);
// Double check that this role is allowed here
require_login($course->id);
}
}
//If course is hosted on an external server, redirect to corresponding
//url with appropriate authentication attached as parameter
if (file_exists($CFG->dirroot .'/course/externservercourse.php')) {
include $CFG->dirroot .'/course/externservercourse.php';
if (function_exists('extern_server_course')) {
if ($extern_url = extern_server_course($course)) {
redirect($extern_url);
}
}
}
require_once($CFG->dirroot.'/calendar/lib.php'); /// This is after login because it needs $USER
add_to_log($course->id, 'course', 'view', "view.php?id=$course->id", "$course->id");
$course->format = clean_param($course->format, PARAM_ALPHA);
if (!file_exists($CFG->dirroot.'/course/format/'.$course->format.'/format.php')) {
$course->format = 'weeks'; // Default format is weeks
}
$PAGE = page_create_object(PAGE_COURSE_VIEW, $course->id);
$pageblocks = blocks_setup($PAGE, BLOCKS_PINNED_BOTH);
if (!isset($USER->editing)) {
$USER->editing = 0;
}
if ($PAGE->user_allowed_editing()) {
if (($edit == 1) and confirm_sesskey()) {
$USER->editing = 1;
} else if (($edit == 0) and confirm_sesskey()) {
$USER->editing = 0;
if(!empty($USER->activitycopy) && $USER->activitycopycourse == $course->id) {
$USER->activitycopy = false;
$USER->activitycopycourse = NULL;
}
}
if ($hide && confirm_sesskey()) {
set_section_visible($course->id, $hide, '0');
}
if ($show && confirm_sesskey()) {
set_section_visible($course->id, $show, '1');
}
if (!empty($section)) {
if (!empty($move) and confirm_sesskey()) {
if (!move_section($course, $section, $move)) {
notify('An error occurred while moving a section');
}
}
}
} else {
$USER->editing = 0;
}
$SESSION->fromdiscussion = $CFG->wwwroot .'/course/view.php?id='. $course->id;
if ($course->id == SITEID) {
// This course is not a real course.
redirect($CFG->wwwroot .'/');
}
// AJAX-capable course format?
$useajax = false;
$ajaxformatfile = $CFG->dirroot.'/course/format/'.$course->format.'/ajax.php';
$bodytags = '';
if (empty($CFG->disablecourseajax) and file_exists($ajaxformatfile)) { // Needs to exist otherwise no AJAX by default
// TODO: stop abusing CFG global here
$CFG->ajaxcapable = false; // May be overridden later by ajaxformatfile
$CFG->ajaxtestedbrowsers = array(); // May be overridden later by ajaxformatfile
require_once($ajaxformatfile);
if (!empty($USER->editing) && $CFG->ajaxcapable && has_capability('moodle/course:manageactivities', $context)) {
// Course-based switches
if (ajaxenabled($CFG->ajaxtestedbrowsers)) { // Browser, user and site-based switches
require_js(array('yui_yahoo',
'yui_dom',
'yui_event',
'yui_dragdrop',
'yui_connection',
'ajaxcourse_blocks',
'ajaxcourse_sections'));
if (debugging('', DEBUG_DEVELOPER)) {
require_js(array('yui_logger'));
$bodytags = 'onload = "javascript:
show_logger = function() {
var logreader = new YAHOO.widget.LogReader();
logreader.newestOnTop = false;
logreader.setTitle(\'Moodle Debug: YUI Log Console\');
};
show_logger();
"';
}
// Okay, global variable alert. VERY UGLY. We need to create
// this object here before the <blockname>_print_block()
// function is called, since that function needs to set some
// stuff in the javascriptportal object.
$COURSE->javascriptportal = new jsportal();
$useajax = true;
}
}
}
$CFG->blocksdrag = $useajax; // this will add a new class to the header so we can style differently
$PAGE->print_header(get_string('course').': %fullname%', NULL, '', $bodytags);
// Course wrapper start.
echo '<div class="course-content">';
$modinfo =& get_fast_modinfo($course);
get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
if (! $sections = get_all_sections($course->id)) { // No sections found
// Double-check to be extra sure
if (! $section = get_record('course_sections', 'course', $course->id, 'section', 0)) {
$section->course = $course->id; // Create a default section.
$section->section = 0;
$section->visible = 1;
$section->id = insert_record('course_sections', $section);
}
if (! $sections = get_all_sections($course->id) ) { // Try again
error('Error finding or creating section structures for this course');
}
}
// Include the actual course format.
require($CFG->dirroot .'/course/format/'. $course->format .'/format.php');
// Content wrapper end.
echo "</div>\n\n";
// Use AJAX?
if ($useajax && has_capability('moodle/course:manageactivities', $context)) {
// At the bottom because we want to process sections and activities
// after the relevant html has been generated. We're forced to do this
// because of the way in which lib/ajax/ajaxcourse.js is written.
echo '<script type="text/javascript" ';
echo "src=\"{$CFG->wwwroot}/lib/ajax/ajaxcourse.js\"></script>\n";
$COURSE->javascriptportal->print_javascript($course->id);
}
print_footer(NULL, $course);
?>