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();
}
}
}
function definition()
{
global $COURSE;
$mform =& $this->_form;
$locks = format_page_lock::get_locks();
if (empty($this->_customdata)) {
// Defaults
$this->_customdata = array();
$this->_customdata['showprereqs'] = 1;
$this->_customdata['visible'] = 1;
$this->_customdata['locks'] = array();
}
$mform->addElement('hidden', 'id', $COURSE->id);
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'action', 'lock');
$mform->setType('action', PARAM_SAFEDIR);
$mform->addElement('hidden', 'page', required_param('page', PARAM_INT));
$mform->setType('page', PARAM_INT);
$mform->addElement('header', 'general', get_string('general'));
$mform->addElement('selectyesno', 'showprereqs', get_string('showprereqs', 'format_page'));
$mform->setDefault('showprereqs', $this->_customdata['showprereqs']);
$mform->setHelpButton('showprereqs', array('showprereqs', get_string('showprereqs', 'format_page'), 'format_page'));
$mform->addElement('selectyesno', 'visible', get_string('visiblewhenlocked', 'format_page'));
$mform->setDefault('visible', $this->_customdata['visible']);
$mform->setHelpButton('visible', array('visible', get_string('visible', 'format_page'), 'format_page'));
if (empty($this->_customdata['locks'])) {
$mform->hardFreeze(array('visible', 'showprereqs'));
}
// Allow each lock to add editing form elements
foreach ($locks as $lock) {
$lock->edit_form($mform, $this->_customdata['locks']);
}
$mform->addElement('header', 'addlock', get_string('addlock', 'format_page'));
// Allow each lock to include add lock form elements
foreach ($locks as $lock) {
$lock->add_form($mform, $this->_customdata['locks']);
}
$this->add_action_buttons();
}
