private void lbUsers_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
ListBox boxItem = (ListBox)sender;
foreach (var item in chatSessionsList) //
{
string nameInListBox = dataset[boxItem.SelectedIndex];
if (item.message_to == nameInListBox)
{
SystemSounds.Beep.Play();
//rtbNotificatons.SelectionBrush = System.Windows.Media.Color;
rtbNotificatons.AppendText("Chat Session with " + nameInListBox + "is already running " + Environment.NewLine);
return;
}
}
//Pass name of the user to chat with
ChatSessionWindow chatWindow = new ChatSessionWindow(dataset[boxItem.SelectedIndex], user, new Random().Next(1000, 100000));
chatSessionsList.Add(chatWindow);
chatWindow.sendAttributesToServer(user.MySocket);
chatWindow.Show();
}
private void Worker_DoWork_ReceiverInput(object sender, DoWorkEventArgs e)
{
//to store names for data source input of ListBox
BindingList <String> names = new BindingList <String>();
byte[] buffer = new byte[255];
UserConnection user = (UserConnection)e.Argument;
string chunk = String.Empty;
string dataReceived = String.Empty;
while (true)
{
do
{
if (user.MySocket.Connected)
{
int rec;
try
{
rec = user.MySocket.Receive(buffer);//, 0, buffer.Length, 0);
}
catch (SocketException)
{
return;
}
Array.Resize(ref buffer, rec); // Resize Array
chunk = Encoding.Default.GetString(buffer);
dataReceived += chunk;
}
} while (user.MySocket.Available > 0);
if (dataReceived.StartsWith("notificationOfUsers"))
{
this.Dispatcher.Invoke(new Action(() => {
names.Clear();
}));
//if it is a notification parse it into strings
foreach (String nameOfUser in dataReceived.Split(' '))
{
this.Dispatcher.Invoke(new Action(() =>
{
//do not add itself in list of notification
if (nameOfUser != user.Username && nameOfUser != "notificationOfUsers" && nameOfUser.Trim() != "")
{
if (!names.Contains(nameOfUser) && nameOfUser != user.Username)
{
names.Add(nameOfUser);
rtbNotificatons.AppendText(nameOfUser + " Joinded Chat\n");
}
}
}));
}
}
else if (dataReceived.StartsWith("newSessionStarted"))
{
string[] parsedMessage = dataReceived.Split(':');
//from(to) --
this.Dispatcher.Invoke(new Action(() =>
{
ChatSessionWindow newWindow = new ChatSessionWindow(parsedMessage[1], user, int.Parse(parsedMessage[3]));
chatSessionsList.Add(newWindow);
newWindow.Show();
}));
}
else if (dataReceived.Trim().StartsWith("Logout"))
{
string[] parsedMessage = dataReceived.Split(':');
dataset.Remove(parsedMessage[1]);
// remove all the elements containg the name of loggedOutUser and notify
foreach (var item in chatSessionsList)
{
//matches logged Out User to any of session's target name
if (parsedMessage[1] == item.message_to)
{
chatSessionsList.Remove(item);
this.Dispatcher.Invoke(() =>
{
item.Close();
});
break;
}
}
this.Dispatcher.Invoke(new Action(() =>
{
lbUsers.GetBindingExpression(ListBox.ItemsSourceProperty).UpdateTarget();
rtbNotificatons.AppendText(parsedMessage[1] + " Logged Out" + "\n");
}));
//TODO:Close all the windows containg the same username also
}
//There is a message to send
else
{
string[] parsedMessage = dataReceived.Split(':');
foreach (var chatUser in chatSessionsList)
{
if (chatUser.uniqueIdentifier == int.Parse(parsedMessage[0]))
{
this.Dispatcher.Invoke(new Action(() =>
{
chatUser.receivedMessage(parsedMessage[2] + ":" + parsedMessage[3] + "\n");
}));
}
}
}//#if-else-if end
this.Dispatcher.Invoke(new Action(() =>
{
dataset = names;
}));
chunk = String.Empty;
dataReceived = String.Empty;
(sender as BackgroundWorker).ReportProgress(1); //report Progress changed
try
{
if (!(user.MySocket.Available > 0))
{
//if no data is available to read
Thread.Sleep(2000);
}
}
catch (ObjectDisposedException)
{
return;
}
// }//#end-lock
//If There is a message send to the CLient
//ChatSessionWindow.SendMessage("Data");
}//#end-while
}
