private void ViewChatFromHistory(object match)
{
Console.WriteLine("STATUS: Getting chat from history");
ChatData chatData = ChatHistoryList.Single(chat => chat.SearchString == (string)match);
OnlineViewModel.LoadChatAsHistory(chatData);
}
/// <summary>
/// Switches app state to the online view
/// </summary>
/// <param name="user">User object containing information chosen by the user</param>
public void ChangeToOnlineView(User user)
{
Console.WriteLine("STATUS: Going online");
OnlineViewModel = new OnlineViewModel(this, user);
MainWindow.Closing += OnlineViewModel.MenuViewModel.ClosingApp;
MainWindow.Closing += OnlineViewModel.ChatViewModel.ClosingApp;
MainWindow.Closing += OnlineViewModel.ClosingApp;
MainWindow.DataContext = OnlineViewModel;
}
private void SaveToChatHistory()
{
Console.WriteLine("STATUS: Saving chat to history");
ChatData chatData = new ChatData(Connection.LocalUser, Connection.RemoteUser,
HistoryConverter.ChatToHistory(UserMessages),
HistoryConverter.ChatToHistory(RemoteMessages),
DateTime.Now.ToString());
OnlineViewModel.AddToHistory(chatData);
}
private async void HandleExit()
{
Console.WriteLine("STATUS: Handling exit");
await Connection.SendNetworkData(new NetworkData(User, NetworkDataType.Response, "", ResponseType.Exit));
if (Connection.State == ConnectionState.Chatting)
{
Application.Current.Dispatcher.Invoke(() =>
{
OnlineViewModel.ExitChat();
});
}
Connection.State = ConnectionState.Listening;
}
public ChatViewModel(OnlineViewModel onlineViewModel, User user, Connection connection)
{
User = user;
Connection = connection;
Connection.AddRemoteMessage = AddReceivedMessage;
Connection.PrepareChat = CloseHistoryMode;
OnlineViewModel = onlineViewModel;
UserMessages = new ObservableCollection <ChatMessage>();
RemoteMessages = new ObservableCollection <ChatMessage>();
SendTextCommand = new DelegateCommand(SendTextMessage, CanUseChatButtons);
SendImageButtonCommand = new DelegateCommand(SendImageMessage, CanUseChatButtons);
BuzzButtonCommand = new DelegateCommand(SendBuzz, CanUseChatButtons);
}
/// <summary>
/// MenuViewModel constructor
/// </summary>
/// <param name="onlineViewModel">Parent viewmodel</param>
/// <param name="user">User information</param>
public MenuViewModel(OnlineViewModel onlineViewModel, User user, Connection connection)
{
User = user;
Connection = connection;
Connection.UpdateMenuButtons = UpdateButtons;
OnlineViewModel = onlineViewModel;
ChatHistoryList = new ObservableCollection <ChatData>();
FilteredHistoryList = new ObservableCollection <ChatData>();
Task.Run(() => LoadHistory());
// Create new command objects
SendRequestCommand = new DelegateCommand(SendRequest, IsDisconnected);
ExitButtonCommand = new DelegateCommand(HandleExit);
AcceptButtonCommand = new DelegateCommand(AcceptRequest);
DeclineButtonCommand = new DelegateCommand(DeclineRequest);
ViewChatCommand = new ParameterCommand(ViewChatFromHistory, IsDisconnected);
}
