class ClientViewController(ViewController):
def __init__(self):
super().__init__()
self.client = None
def start_controller(self):
self._setup_config_view()
self.start()
def quit(self):
if self.client is not None:
self.client.shutdown_client()
super().quit()
def handle_user_list_update(self, message):
self.view.update_list_of_users(self.client.connected_users)
self.view.display_new_text_message(message.text)
def handle_username_rejected(self, message):
self.view.warning_message(
"Username Rejected",
"Username requested was rejected by the server.")
def handle_shutdown(self, message):
self.view.warning_message(
"Server Shutdown",
"Server was shutdown, client shutting down now.")
self.quit()
def _setup_config_view(self):
self.view = ClientConfigView()
self.view.set_confirm_button_command(self._confirm_button)
self.view.add_quit_function(self.quit)
def _swap_to_chat_view(self):
if self.view is not None:
self.view.quit()
self._setup_chat_view()
def _setup_chat_view(self):
self.view = ClientChatView()
self.view.set_message_entry_button_commands(self._send_message_button)
self.view.set_username_entry_button_commands(
self._send_username_button)
self.view.add_quit_function(self.quit)
def _confirm_button(self, server_host_entry, server_port_entry):
def f():
server_port = server_port_entry.get()
server_host = server_host_entry.get()
if not self.is_valid_port_num(server_port):
self.view.invalid_port_warning()
else:
self._swap_to_chat_view()
self._create_client(server_host, int(server_port))
return f
def _create_client(self, server_host, server_port):
self.client = Client(server_host, server_port,
self.message_processing_queue)
self.client.start_client()
def _send_message_button(self, message_entry):
def f(event=None):
recipient = self.view.get_users_box_selection()
self.client.add_message_to_out_queue(message_entry.get(),
recipient)
self.view.clear_message_entry_box()
return f
def _send_username_button(self, username_entry):
def f(event=None):
try:
requested_username = username_entry.get()
self.client.send_username_request(requested_username)
self.view.clear_username_entry_box()
except UsernameCurrentlyUnstableException:
self.view.warning_message(
"Username Unstable",
"Username is currently being updated, please wait until it is set to try again."
)
except UsernameTooLongException:
# should make a constants file for numbers like sender max length
self.view.warning_message(
"Username Too Long",
"Username requested is too long, please limit it to 16 chars"
)
return f
