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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Orbiter Occupant List</title>

<!--Load the Orbiter JavaScript library (non-minified version). Use during development.-->
<script type="text/javascript" src="http://unionplatform.com/cdn/Orbiter_latest.js"></script>
<!--Load the Orbiter JavaScript library (minified version). Use for production.-->
<!--<script type="text/javascript" src="http://unionplatform.com/cdn/Orbiter_latest_min.js"></script>-->

<!--Application code-->
<script type="text/javascript">
//==============================================================================
// VARIABLES
//==============================================================================
var orbiter;
var chatRoom;
var occupantlist;

//==============================================================================
// INITIALIZATION
//==============================================================================
function init () {
  // Create the Orbiter instance, used to connect to and communicate with Union,
  // then enable automatic reconnection (one attempt every 15 seconds)
  orbiter = new net.user1.orbiter.Orbiter();
  orbiter.getConnectionMonitor().setAutoReconnectFrequency(15000);
  orbiter.getLog().setLevel(net.user1.logger.Logger.DEBUG);
  
  // Register for Orbiter's connection events
  orbiter.addEventListener(net.user1.orbiter.OrbiterEvent.READY, readyListener, this);
  orbiter.addEventListener(net.user1.orbiter.OrbiterEvent.CLOSE, closeListener, this);
  
  // The occupant listbox
  occupantlist = document.getElementById("occupantlist");
  occupantlist.style.width = "120px";
  
  // Connect to Union Server
  orbiter.connect("tryunion.com", 80);
}

//==============================================================================
// ORBITER EVENT LISTENERS
//==============================================================================
function readyListener (e) {
  chatRoom = orbiter.getRoomManager().createRoom("chatRoom");
  chatRoom.addEventListener(net.user1.orbiter.RoomEvent.ADD_OCCUPANT, addOccupantListener);
  chatRoom.addEventListener(net.user1.orbiter.RoomEvent.REMOVE_OCCUPANT, removeOccupantListener);  
  chatRoom.join();
}

// Triggered when the connection is closed
function closeListener (e) {
}

//==============================================================================
// ROOM EVENT LISTENERS
//==============================================================================
// Triggered when a client joins the room
function addOccupantListener (e) {
  addListOption("User" + e.getClientID(), e.getClientID());
}
  
// Triggered when a client leaves the room
function removeOccupantListener (e) {
  removeListOption(e.getClientID());
}

//==============================================================================
// SELECT MANAGEMENT
//==============================================================================
function addListOption (name, value) {
  var option;
  option = document.createElement("option");
  option.text  = name;
  option.value = value;
  occupantlist.add(option);
}

function removeListOption (value) {
  for (var i = 0; i < occupantlist.length; i++) {
    if (occupantlist.options[i].value == value) {
      occupantlist.remove(i);
      return;
    }
  }
}
</script>
</head>

<body onload="init()">
<!--Contains the room occupants-->
<select id="occupantlist" size="10" multiple="multiple">
</select>

</body>
</html>