/// <summary>
/// Incoming data received event handler method
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Client_ConnectionChanged(object sender, ConnectionChangedEventArgs e)
{
//event gets called by Listener thread via Delegate
if (ConversationTextBox.InvokeRequired) //element is on a different thread
{
MethodInvoker invoker
= new MethodInvoker(delegate() {
if (e.ConnMsg.StartsWith("Received"))
{
ConversationTextBox.AppendText(e.ConnMsg, Color.Blue);
ConversationTextBox.AppendText(Environment.NewLine);
}
else
{
ConversationTextBox.AppendText(e.ConnMsg, Color.Black);
ConversationTextBox.AppendText(Environment.NewLine);
}
//ConversationTextBox.Text += e.ConnMsg;
});
ConversationTextBox.BeginInvoke(invoker);
}
else
{
//business as usual
//update the progress bar
ConversationTextBox.Text += e.ConnMsg;
}
}
/// <summary>
/// send a message
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SendMsgButton_Click(object sender, EventArgs e)
{
Client.WriteMessage(MessageTextBox.Text);
client.Log(MessageTextBox.Text);
ConversationTextBox.AppendText(">>" + MessageTextBox.Text, Color.Blue);
ConversationTextBox.AppendText(Environment.NewLine);
MessageTextBox.Text = "";
}
/// <summary>
/// disconnect chat app
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void disconnectToolStripMenuItem_Click(object sender, EventArgs e)
{
//Start thread to listen for messages from server
if (client != null)
{
client.Stop();
ConversationTextBox.AppendText("<< Connection Closed >>", Color.Black);
ConversationTextBox.AppendText(Environment.NewLine);
connectToolStripMenuItem.Enabled = true;
MessageTextBox.Enabled = false;
}
}
/// <summary>
/// Event-ul de click pe butonul de send message
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SendMessageButton_Click(object sender, EventArgs e)
{
if (friendsList.SelectedIndex < 0)
{
friendsList.SelectedIndex = 0;
}
cliToSvr.SendMessage(username, friendsList.Items[friendsList.SelectedIndex].ToString().Split(' ')[0], SendMessageTextBox.Text);
//admin1 - offline
DateTime thisDay = DateTime.Now;
ConversationTextBox.Text += thisDay.ToString("dd/MM/yy H:mm:ss") + " | Me ---> " + SendMessageTextBox.Text + Environment.NewLine;
SendMessageTextBox.Text = string.Empty;
ConversationTextBox.SelectionStart = ConversationTextBox.Text.Length;
ConversationTextBox.ScrollToCaret();
}
/// <summary>
/// Afiseaza covnersatia dintre userul curent si userul primit ca parametru
/// </summary>
/// <param name="receiver">Reveiver</param>
private void DisplayConversation(string receiver)
{
string[] allmessages = cliToSvr.GetMessages(username, receiver);
ConversationTextBox.Text = string.Empty;
foreach (string message in allmessages)
{
if (message.Split(' ')[2].Equals(username))
{
ConversationTextBox.Text += message.Split(' ')[0] + " " + message.Split(' ')[1] + " | Me ---> "; //+ message.Split(' ')[4] + Environment.NewLine;
for (int i = 4; i < message.Split(' ').Length; i++)
{
ConversationTextBox.Text += message.Split(' ')[i] + " ";
}
ConversationTextBox.Text += Environment.NewLine;
}
else
{
ConversationTextBox.Text += message.Split(' ')[0] + " " + message.Split(' ')[1] + " | " + message.Split(' ')[2] + " ---> "; //+ message.Split(' ')[4] + Environment.NewLine;
for (int i = 4; i < message.Split(' ').Length; i++)
{
ConversationTextBox.Text += message.Split(' ')[i] + " ";
}
ConversationTextBox.Text += Environment.NewLine;
}
ConversationTextBox.SelectionStart = ConversationTextBox.Text.Length;
ConversationTextBox.ScrollToCaret();
}
string friend = friendsList.Items[friendsList.FindString(receiver)].ToString();
string exclamation = " ";
if (friend.Length > 1)
{
exclamation = friend.Substring(friend.Length - 1);
}
if (exclamation.Equals("!"))
{
friendsList.Items[friendsList.FindString(receiver)] = friend.Remove(friend.Length - 1);
}
}
/// <summary>
/// handle connect button to connect to server
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void connectToolStripMenuItem_Click(object sender, EventArgs e)
{
client = new Client();
ConversationTextBox.AppendText("<< Client Started >>", Color.Black);
ConversationTextBox.AppendText(Environment.NewLine);
//Start thread to listen for messages from server
client.Start(ipAddress, port, out errorMessage);
//Main thread handles user input
client.ConnectionChanged
+= new ChatLib.ConnectionChangedEventHandler(Client_ConnectionChanged);
connectionThread = new Thread(client.Listen);
connectionThread.IsBackground = true; //this will allow front end to kill it when closing
connectionThread.Name = "ConnectionThread";
connectionThread.Start();
disconnectToolStripMenuItem.Enabled = true;
connectToolStripMenuItem.Enabled = false;
MessageTextBox.Enabled = true;
}
