added a list with available users or clients

jettro · Apr 10, 2011 · 4e57706 · 4e57706
1 parent 542faba
commit 4e57706
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Showing 3 changed files with 37 additions and 2 deletions.
diff --git a/public/javascript/local-socket-io.js b/public/javascript/local-socket-io.js
@@ -1,15 +1,31 @@
 function message(obj) {
+//    $("#message").prepend("<div>Stringify : " + stringify(obj) + "</div>");
+
     if ('message' in obj) {
         $("#message").prepend("<div>" + obj.message[0] + " : " + obj.message[1] + "</div>");
-    } else if('chat' in obj) {
+    } else if ('chat' in obj) {
         $("#chat").prepend("<div>" + obj.chat[0] + " : " + obj.chat[1] + "</div>");
+    } else if ('users' in obj) {
+        $(".user").remove();
+        for (var i = 0; i < obj.users.length; i++) {
+            $("#users").prepend("<div class='user'>" + obj.users[i] + "</div>")
+        }
     } else {
         $("#message").prepend("<div>" + obj.announcement + "</div>");
     }
 }
 
+function stringify(message) {
+    if (Object.prototype.toString.call(message) == '[object Object]') {
+        return '~j~' + JSON.stringify(message);
+    } else {
+        return String(message);
+    }
+}
+
+
 function setName() {
-    message( {message: ['You','Name is set to: ' + $("#visitorName").val()]});
+    message({message: ['You','Name is set to: ' + $("#visitorName").val()]});
     socket.send({newName: $("#visitorName").val()});
 }
 

diff --git a/socketio.js b/socketio.js
@@ -23,6 +23,7 @@ Socketio.prototype.init = function(app) {
             if ('newName' in message) {
                 console.log("Received a new name: " + message.newName);
                 clients[client.sessionId] = message.newName;
+                sendClients(client);
                 return;
             }
             var msg = { chat: [clients[client.sessionId], message.message] };
@@ -33,8 +34,24 @@ Socketio.prototype.init = function(app) {
 
         client.on('disconnect', function() {
             client.broadcast({ announcement: client.sessionId + ' disconnected' });
+            removeClient(client.sessionId);
+            sendClients(client)
         });
     });
+
+    function removeClient(id) {
+        delete clients[id];
+    }
+
+    function sendClients(client) {
+        var curClients = [];
+        for (var i in clients) {
+            curClients[curClients.length] = clients[i];
+        }
+        console.log("Number of clients: " + curClients);
+        client.broadcast({users: curClients});
+        client.send({users: curClients});
+    }
 };
 
 module.exports = Socketio;
diff --git a/views/socketio/index.jade b/views/socketio/index.jade
@@ -12,6 +12,8 @@ div#information
         form(action="javascript:sendMessage()")
             textarea(id="newMessage", size="50", cols="20", rows="4")
             input(type="submit",value="Send Message")
+    h2 Available users
+    div#users
 div#message
 div#chat