/// <summary>
/// Creates an ExceptionDialog inside of the current window.
/// </summary>
/// <param name="window">The MetroWindow</param>
/// <param name="title">The title of the MessageDialog.</param>
/// <param name="ex">The exception to report.</param>
/// <returns>A task promising the result of which button was pressed (Always Positive).</returns>
public static Task<MessageDialogResult> ShowExceptionAsync(this MetroWindow window, string title, Exception ex)
{
window.Dispatcher.VerifyAccess();
return HandleOverlayOnShow(null, window).ContinueWith(z =>
{
return (Task<MessageDialogResult>)window.Dispatcher.Invoke(new Func<Task<MessageDialogResult>>(() =>
{
MetroDialogSettings settings = window.MetroDialogOptions;
//create the dialog control
var dialog = new ExceptionDialog(window, settings)
{
Message = ex.Message,
Title = title,
Ex = ex
};
SizeChangedEventHandler sizeHandler = SetupAndOpenDialog(window, dialog);
dialog.SizeChangedHandler = sizeHandler;
return dialog.WaitForLoadAsync().ContinueWith(x =>
{
if (DialogOpened != null)
{
window.Dispatcher.BeginInvoke(new Action(() => DialogOpened(window, new DialogStateChangedEventArgs())));
}
return dialog.WaitForButtonPressAsync().ContinueWith(y =>
{
//once a button as been clicked, begin removing the dialog.
dialog.OnClose();
if (DialogClosed != null)
{
window.Dispatcher.BeginInvoke(new Action(() => DialogClosed(window, new DialogStateChangedEventArgs())));
}
Task closingTask = (Task)window.Dispatcher.Invoke(new Func<Task>(() => dialog._WaitForCloseAsync()));
return closingTask.ContinueWith(a =>
{
return ((Task)window.Dispatcher.Invoke(new Func<Task>(() =>
{
window.SizeChanged -= sizeHandler;
window.metroDialogContainer.Children.Remove(dialog); //remove the dialog from the container
return HandleOverlayOnHide(settings, window);
}))).ContinueWith(y3 => y).Unwrap();
});
}).Unwrap();
}).Unwrap().Unwrap();
}));
}).Unwrap();
}
//public static readonly DependencyProperty AffirmativeButtonTextProperty = DependencyProperty.Register("AffirmativeButtonText", typeof(string), typeof(MessageDialog), new PropertyMetadata("OK"));
//public static readonly DependencyProperty NegativeButtonTextProperty = DependencyProperty.Register("NegativeButtonText", typeof(string), typeof(MessageDialog), new PropertyMetadata("Cancel"));
//public static readonly DependencyProperty FirstAuxiliaryButtonTextProperty = DependencyProperty.Register("FirstAuxiliaryButtonText", typeof(string), typeof(MessageDialog), new PropertyMetadata("Cancel"));
//public static readonly DependencyProperty SecondAuxiliaryButtonTextProperty = DependencyProperty.Register("SecondAuxiliaryButtonText", typeof(string), typeof(MessageDialog), new PropertyMetadata("Cancel"));
//public static readonly DependencyProperty ButtonStyleProperty = DependencyProperty.Register("ButtonStyle", typeof(MessageDialogStyle), typeof(MessageDialog), new PropertyMetadata(MessageDialogStyle.Affirmative, new PropertyChangedCallback((s, e) =>
//{
// ExceptionDialog md = (ExceptionDialog)s;
// SetButtonState(md);
//})));
private static void SetButtonState(ExceptionDialog md)
{
//if (md.PART_AffirmativeButton == null)
// return;
//switch (md.ButtonStyle)
//{
// case MessageDialogStyle.Affirmative:
// {
md.PART_AffirmativeButton.Visibility = Visibility.Visible;
// md.PART_NegativeButton.Visibility = Visibility.Collapsed;
// md.PART_FirstAuxiliaryButton.Visibility = Visibility.Collapsed;
// md.PART_SecondAuxiliaryButton.Visibility = Visibility.Collapsed;
// }
// break;
// case MessageDialogStyle.AffirmativeAndNegativeAndSingleAuxiliary:
// case MessageDialogStyle.AffirmativeAndNegativeAndDoubleAuxiliary:
// case MessageDialogStyle.AffirmativeAndNegative:
// {
// md.PART_AffirmativeButton.Visibility = Visibility.Visible;
// md.PART_NegativeButton.Visibility = Visibility.Visible;
// if (md.ButtonStyle == MessageDialogStyle.AffirmativeAndNegativeAndSingleAuxiliary || md.ButtonStyle == MessageDialogStyle.AffirmativeAndNegativeAndDoubleAuxiliary)
// {
// md.PART_FirstAuxiliaryButton.Visibility = Visibility.Visible;
// }
// if (md.ButtonStyle == MessageDialogStyle.AffirmativeAndNegativeAndDoubleAuxiliary)
// {
// md.PART_SecondAuxiliaryButton.Visibility = Visibility.Visible;
// }
// }
// break;
//}
//md.AffirmativeButtonText = md.DialogSettings.AffirmativeButtonText;
//md.NegativeButtonText = md.DialogSettings.NegativeButtonText;
//md.FirstAuxiliaryButtonText = md.DialogSettings.FirstAuxiliaryButtonText;
//md.SecondAuxiliaryButtonText = md.DialogSettings.SecondAuxiliaryButtonText;
switch (md.DialogSettings.ColorScheme)
{
case MetroDialogColorScheme.Accented:
//md.PART_NegativeButton.Style = md.FindResource("HighlightedSquareButtonStyle") as Style;
//md.PART_FirstAuxiliaryButton.Style = md.FindResource("HighlightedSquareButtonStyle") as Style;
//md.PART_SecondAuxiliaryButton.Style = md.FindResource("HighlightedSquareButtonStyle") as Style;
break;
}
}