dirroot.'/mod/chat/lib.php'); $chat_sid = required_param('chat_sid', PARAM_ALPHANUM); $beep = optional_param('beep', 0, PARAM_INT); // beep target $PAGE->set_url('/mod/chat/gui_header_js/users.php', array('chat_sid'=>$chat_sid)); if (!$chatuser = $DB->get_record('chat_users', array('sid'=>$chat_sid))) { print_error('notlogged', 'chat'); } //Get the minimal course if (!$course = $DB->get_record('course', array('id'=>$chatuser->course))) { print_error('invalidcourseid'); } //Get the user theme and enough info to be used in chat_format_message() which passes it along to if (!$USER = $DB->get_record('user', array('id'=>$chatuser->userid))) { // no optimisation here, it would break again in future! print_error('invaliduser'); } $PAGE->set_pagelayout('embedded'); $USER->description = ''; //Setup course, lang and theme $PAGE->set_course($course); $courseid = $chatuser->course; if (!$cm = get_coursemodule_from_instance('chat', $chatuser->chatid, $courseid)) { print_error('invalidcoursemodule'); } if ($beep) { $message->chatid = $chatuser->chatid; $message->userid = $chatuser->userid; $message->groupid = $chatuser->groupid; $message->message = "beep $beep"; $message->system = 0; $message->timestamp = time(); $DB->insert_record('chat_messages', $message); $DB->insert_record('chat_messages_current', $message); $chatuser->lastmessageping = time(); // A beep is a ping ;-) } $chatuser->lastping = time(); $DB->set_field('chat_users', 'lastping', $chatuser->lastping, array('id'=>$chatuser->id)); $refreshurl = "users.php?chat_sid=$chat_sid"; /// Get list of users if (!$chatusers = chat_get_users($chatuser->chatid, $chatuser->groupid, $cm->groupingid)) { print_error('errornousers', 'chat'); } $uidles = Array(); foreach ($chatusers as $chatuser) { $uidles[] = $chatuser->id; } $module = array( 'name' => 'mod_chat_header', 'fullpath' => '/mod/chat/gui_header_js/module.js', 'requires' => array('node') ); $PAGE->requires->js_init_call('M.mod_chat_header.init_users', array($uidles), false, $module); /// Print user panel body $timenow = time(); $stridle = get_string('idle', 'chat'); $strbeep = get_string('beep', 'chat'); $table = new html_table(); $table->width = '100%'; $table->data = array(); foreach ($chatusers as $chatuser) { $lastping = $timenow - $chatuser->lastmessageping; $min = (int) ($lastping/60); $sec = $lastping - ($min*60); $min = $min < 10 ? '0'.$min : $min; $sec = $sec < 10 ? '0'.$sec : $sec; $idle = $min.':'.$sec; $row = array(); $row[0] = $OUTPUT->user_picture($chatuser, array('courseid'=>$courseid, 'popup'=>true)); $row[1] = html_writer::start_tag('p'); $row[1] .= html_writer::start_tag('font', array('size'=>'1')); $row[1] .= fullname($chatuser).'
'; $row[1] .= html_writer::tag('span', $stridle . html_writer::tag('span', $idle, array('name'=>'uidles', 'id'=>'uidle'.$chatuser->id)), array('class'=>'dimmed_text')).' '; $row[1] .= html_writer::tag('a', $strbeep, array('href'=>new moodle_url('/mod/chat/gui_header_js/users.php', array('chat_sid'=>$chat_sid, 'beep'=>$chatuser->id)))); $row[1] .= html_writer::end_tag('font'); $row[1] .= html_writer::end_tag('p'); $table->data[] = $row; } ob_start(); echo $OUTPUT->header(); echo html_writer::tag('div', html_writer::tag('a', 'Refresh link', array('href'=>$refreshurl, 'id'=>'refreshLink')), array('style'=>'display:none')); //TODO: localize echo html_writer::table($table); echo $OUTPUT->footer(); // // Support HTTP Keep-Alive by printing Content-Length // // If the user pane is refreshing often, using keepalives // is lighter on the server and faster for most clients. // // Apache is normally configured to have a 15s timeout on // keepalives, so let's observe that. Unfortunately, we cannot // autodetect the keepalive timeout. // // Using keepalives when the refresh is longer than the timeout // wastes server resources keeping an apache child around on a // connection that will timeout. So we don't. if ($CFG->chat_refresh_userlist < 15) { header("Content-Length: " . ob_get_length() ); ob_end_flush(); } exit; // no further output