/// <summary>
/// Action performed on chatroom change
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void chatrooms_SelectedIndexChanged(object sender, EventArgs e)
{
// Do nothing if we select the dummy chatroom "Select a chatroom"
// Meaning: leave the current chatroom, clear the interface
if (chatrooms.Text == "Select a chatroom")
{
chatrooms.SelectedIndex = -1;
ChatMessage quitCr = new ChatMessage(ChatMessage.Header.QUIT_CR);
client.sendMessage(quitCr);
if (messagesBindingList != null && usersBindingList != null)
{
messagesBindingList.Clear();
usersBindingList.Clear();
}
}
// Join the chatroom wanted otherwise
if (chatrooms.Text != "" &&
chatrooms.Text != "Select a chatroom" &&
chatrooms.SelectedItem != null)
{
client.User.Chatroom = new Chatroom(chatrooms.Text);
ChatMessage joinCr = new ChatMessage(ChatMessage.Header.JOIN_CR);
joinCr.addData(chatrooms.Text);
client.sendMessage(joinCr);
}
}
/// <summary>
/// Periodically check users (from a thread) connected to the current chatroom
/// </summary>
private void getUsers()
{
while (!client.Quit)
{
try
{
// Now, check the users
if (client.User.Chatroom != null && client.User.Chatroom.Name != "")
{
// We need to invoke chatrooms (UI thread) to see the selected index
chatrooms.BeginInvoke(
(Action)(() =>
{
// If we are indeed connected to a chatroom
if (chatrooms.Text != "")
{
ChatMessage messageUsers = new ChatMessage(ChatMessage.Header.LIST_USERS);
messageUsers.addData(chatrooms.Text);
client.sendMessage(messageUsers);
}
})
);
Thread.Sleep(2000);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
}
/// <summary>
/// Action performed on "Send" button click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void sendButton_Click(object sender, EventArgs e)
{
ChatMessage messageToSend = new ChatMessage(ChatMessage.Header.POST);
messageToSend.addData(messageTextBox.Text);
client.sendMessage(messageToSend);
messageTextBox.Clear();
}