example_chat.tpl.php

<script src="http://<?php print $_SERVER['SERVER_ADDR'] ?>:8080/socket.io/socket.io.js"></script>
<script>
  (function($){
    var myNick = 'me';
    var newlyJoined = true;
    var socket = io.connect('http://<?php print $_SERVER['SERVER_ADDR'] ?>:8080');

    socket.on('connect', function () {
      $('#chat').addClass('connected');
    });

    socket.on('announcement', function (msg) {
      $('#lines').append($('<p>').append($('<em>').text(msg)));
    });

    socket.on('nicknames', function (nicknames) {
    $('#nicknames').empty().append($('<span>Online:</span>'));
    for (var i in nicknames) {
        var attrs = {
            'class': 'chatNickname',
            'id': nicknames[i],
            'text': nicknames[i]
        };
        $('#nicknames').append($('<div>',attrs));
    }
});

    socket.on('user message', message);
    socket.on('private message', privateMessage);

    socket.on('reconnect', function () {
      $('#lines').remove();
      message('System', 'Reconnected to the server');
    });

    socket.on('reconnecting', function () {
      message('System', 'Attempting to re-connect to the server');
    });

    socket.on('error', function (e) {
      message('System', e ? e : 'A unknown error occurred');
    });

    socket.on('chat log', function(chatlog) {
      if (newlyJoined) {
    var i = 0;
    for (stamp in chatlog) {
      if (chatlog[stamp].type == 'user message') {
        var ts   = tstamp(stamp);
        var nick = chatlog[stamp].nick
        var msg  = chatlog[stamp].msg
        message(ts, nick, msg);
        i++;
      }
    }
    if (i > 0) {
      $('#lines').append($('<hr>')).append($('<small style="text-align:center; display:block; color: #888;">').text('Chat messages posted within the past half hour appear above this line.')).append($('<hr>'));
      $('#lines').get(0).scrollTop = 10000000;
    }
    newlyJoined = false;
      }
    });

    function message (msg_time, from, msg) {
      $('#lines').append($('<p>').append($('<small>').text(msg_time)).append($('<b>').text(from), linkify(msg)));
    }

    function privateMessage (message) {
      $('#chatLogDiv').append($('<p>').append($('<small>').text(message.time)).append($('<b>').text(message.from), linkify(message.msg)));
    }

    function linkify(inputText) {
      //URLs starting with http://, https://, or ftp://
      var replacePattern1 = /(\b(https?|ftp):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/gim;
      var replacedText = inputText.replace(replacePattern1, '<a href="$1" target="_blank">$1</a>');

      //URLs starting with www. (without // before it, or it'd re-link the ones done above)
      var replacePattern2 = /(^|[^\/])(www\.[\S]+(\b|$))/gim;
      var replacedText = replacedText.replace(replacePattern2, '$1<a href="http://$2" target="_blank">$2</a>');

      //Change email addresses to mailto:: links
      var replacePattern3 = /(\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,6})/gim;
      var replacedText = replacedText.replace(replacePattern3, '<a href="mailto:$1">$1</a>');

      return replacedText
    }

    function tstamp(stamp) {
      var currentTime = new Date();
      if (typeof stamp != 'undefined') {
    currentTime.setTime(stamp);
      }
      var days = new Array('Sun', 'Mon', 'Tue', 'Wed', 'Thr', 'Fri', 'Sat');
      var day = currentTime.getDay();
      var hours = currentTime.getHours();
      var minutes = currentTime.getMinutes();
      if (minutes < 10) {
    minutes = "0" + minutes;
      }
      if (hours > 11) {
    var ap = 'p';
      }
      else {
    var ap = 'a';
      }
      if (hours > 12) {
    hours = hours - 12;
      }
      return "["+ days[day] + " " + hours + ":" + minutes + ap + "m] ";
    }

    function startPrivateChat(targetUser, sendingUser){
        if(targetUser !=sendingUser){
        var privateMessage1="starting private chat with " + targetUser + ". My name is " + sendingUser;
        var chatBoxId= targetUser + 'ChatBox';
        $("#content").append('<div class="chatBox" id="' + chatBoxId + '">' + sendingUser + ', ' + targetUser + '</div>');
        $('#' + chatBoxId).append('new private chat');
        $('#' + chatBoxId).dialog();
        var data= {'to':targetUser, 'message':privateMessage1, 'from':sendingUser};
        privateMessage(tstamp(), myNick, privateMessage1);
        socket.emit('private message', data);
        clear();
        }
    }


    $(document).ready(function() {
    $('#nicknames').on('click', '.chatNickname', function(){
      startPrivateChat(this.id,myNick);
    });

      $('input#message').focus(function() {
    if ($(this).val() == 'Type your chat messages here...') {
      $(this).val('');
    }
      });

      $('input#show-timestamps').click(function() {
    if ($(this).is(':checked')) {
      $('#messages p small').show();
    }
    else {
      $('#messages p small').hide();
    }
      })

      socket.emit('nickname', '<?php print $username ?>', function (nick) {
    if (nick != 'me') {
      myNick = nick;
      socket.emit('get log');
      return $('#chat').addClass('nickname-set');
    }
      });

      $('#send-message').submit(function () {
    message(tstamp(), myNick, $('#message').val());
    socket.emit('user message', $('#message').val());
    clear();
    $('#lines').get(0).scrollTop = 10000000;
    return false;
      });

      function clear () {
    $('#message').val('').focus();
      };

    });
  })(jQuery);
</script>
<?php
drupal_add_library('system', 'ui.dialog');
drupal_add_js('jQuery(document).ready(function(){jQuery("#dialog").dialog({ modal: true, autoOpen: false });});', 'inline');
?>
<div id="dialog" title="Basic dialog">
    <p>This is the default dialog which is useful for displaying information. The dialog window can be moved, resized and closed with the 'x' icon.</p>
</div>
<div id="chat">
  <div id="messages">
    <div id="nicknames">
    </div>
    <div id="lines">
    </div>
  </div>
  <form id="send-message" autocomplete="off">
    <input id="message" type="text" value="Type your chat messages here..." autocomplete="off" />
    <button>Send</button>
  </form>
</div>
<small><input id="show-timestamps" type="checkbox" checked="checked" /> Show timestamps</small>

<div id='chatLogDiv'>test <br /></div>