/// <summary>
/// Unhandled exception handler. If an unhandled exception crashes the program, save
/// the stack trace to a log file.
/// </summary>
/// <param name="sender">The AppDomain.</param>
/// <param name="e">The details of the unhandled exception.</param>
private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
{
Exception ex = (Exception)e.ExceptionObject;
Logger.LogCritical(ex, "Unhandled exception");
WarningDialog.Show("The program failed to handle an exception.", "Unhandled exception");
}
/// <summary>
/// Function that's run when the program first starts.
/// Set up the data context links with the local variables.
/// </summary>
public MainWindow(
ViewModels.ViewModel model,
Navigation.AvaloniaNavigationService navigationService,
ILogger <MainWindow> logger)
{
// Initialize the readonly properties.
this.ViewModel = model;
this.NavigationService = navigationService;
this.Logger = logger;
try
{
// Set up an event handler for any otherwise unhandled exceptions in the code.
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
AppDomain.CurrentDomain.FirstChanceException += CurrentDomain_FirstChanceException;
// Initialize the window.
AvaloniaXamlLoader.Load(this);
// Set the title.
Title = $"{SystemInfo.ProductInfo.Name} - {SystemInfo.ProductInfo.Version}";
// Load configuration data
Collections.QuestCollection?quests = null;
string?currentQuest = null;
try
{
this.Logger.LogDebug("Loading configuration.");
Config.NetTallyConfig.Load(out quests, out currentQuest, Options.AdvancedOptions.Instance);
this.Logger.LogInformation("Configuration loaded.");
}
catch (ConfigurationErrorsException e)
{
this.Logger.LogError(e, "Failure during configuration.");
WarningDialog.Show("Error in configuration. Current configuration ignored.", "Error in configuration");
}
// Complete the platform setup.
this.PlatformSetup(quests, currentQuest);
}
catch (Exception e)
{
this.Logger.LogError(e, "Failure during program startup.");
WarningDialog.Show("Unable to start the program.", "Failure on startup");
this.Close();
}
}
/// <summary>
/// Saves the configuration.
/// </summary>
private void SaveConfig()
{
try
{
string selectedQuest = ViewModel.SelectedQuest?.ThreadName ?? "";
Config.NetTallyConfig.Save(ViewModel.QuestList, selectedQuest, Options.AdvancedOptions.Instance);
Logger.LogDebug("Configuration saved.");
}
catch (Exception ex)
{
Logger.LogWarning(ex, "Failed to save configuration.");
WarningDialog.Show("The program failed to save configuration data.", "Failed to save configuration");
}
}
/// <summary>
/// Handles the ExceptionRaised event of the MainViewModel control.
/// This is called anytime there's an exception generated that needs
/// to propogate up to the UI.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="ExceptionEventArgs"/> instance containing the event data.</param>
private void MainViewModel_ExceptionRaised(object?sender, CustomEventArgs.ExceptionEventArgs e)
{
Exception ex = e.Exception;
string exmsg = ex.Message;
var innerEx = ex.InnerException;
while (innerEx != null)
{
exmsg = exmsg + "\n" + innerEx.Message;
innerEx = innerEx.InnerException;
}
WarningDialog.Show(exmsg, "Error");
if (!(ex.Data.Contains("Application")))
{
Logger.LogError(ex, "Exception bubbled up from the view model.");
}
e.Handled = true;
}
