function display()
{
global $CFG, $PAGE;
require_capability('format/page:managepages', $this->context);
$locks = format_page_lock::get_locks();
$mform = new format_page_lock_form($CFG->wwwroot . '/course/format/page/format.php', format_page_lock::decode($this->page->locks));
if ($mform->is_cancelled()) {
redirect($PAGE->url_build('action', 'manage'));
} else {
if ($data = $mform->get_data()) {
$lockdata = array();
foreach ($locks as $lock) {
$lockdata = array_merge($lockdata, $lock->process_form($data));
}
$lockinfo = array();
$lockinfo['showprereqs'] = $data->showprereqs;
$lockinfo['visible'] = $data->visible;
$lockinfo['locks'] = $lockdata;
if (empty($lockinfo['locks'])) {
$lockinfo = '';
} else {
$lockinfo = format_page_lock::encode($lockinfo);
}
if (!set_field('format_page', 'locks', $lockinfo, 'id', $this->page->id)) {
error('Failed to save lock information');
}
redirect($PAGE->url_build('page', $this->page->id, 'action', 'lock'));
} else {
$PAGE->print_tabs('manage');
$mform->display();
}
}
}
