/// <summary>
/// Creates a MessageDialog inside of the current window.
/// </summary>
/// <param name="title">The title of the MessageDialog.</param>
/// <param name="message">The message contained within the MessageDialog.</param>
/// <param name="style">The type of buttons to use.</param>
/// <param name="settings">Optional Settings that override the global metro dialog settings.</param>
/// <returns>A task promising the result of which button was pressed.</returns>
public static Task<MessageDialogResult> ShowMessageAsync(this MetroWindow window, string title, string message, MessageDialogStyle style = MessageDialogStyle.Affirmative, MetroDialogSettings settings = null)
{
window.Dispatcher.VerifyAccess();
return window.ShowOverlayAsync().ContinueWith(z =>
{
return (Task<MessageDialogResult>)window.Dispatcher.Invoke(new Func<Task<MessageDialogResult>>(() =>
{
if (settings == null)
settings = window.MetroDialogOptions;
//create the dialog control
MessageDialog dialog = new MessageDialog(window, settings);
dialog.Message = message;
dialog.Title = title;
dialog.ButtonStyle = style;
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<Task<MessageDialogResult>>(a =>
{
return ((Task)window.Dispatcher.Invoke(new Func<Task>(() =>
{
window.SizeChanged -= sizeHandler;
window.messageDialogContainer.Children.Remove(dialog); //remove the dialog from the container
return window.HideOverlayAsync();
//window.overlayBox.Visibility = System.Windows.Visibility.Hidden; //deactive the overlay effect
}))).ContinueWith(y3 => y).Unwrap();
});
}).Unwrap();
}).Unwrap().Unwrap();
}));
}).Unwrap();
}
/// <summary>
/// Creates a MessageDialog inside of the current window.
/// </summary>
/// <param name="title">The title of the MessageDialog.</param>
/// <param name="message">The message contained within the MessageDialog.</param>
/// <param name="style">The type of buttons to use.</param>
/// <returns>A task promising the result of which button was pressed.</returns>
public static Task<MessageDialogResult> ShowMessageAsync(this MetroWindow window, string title, string message, MessageDialogStyle style = MessageDialogStyle.Affirmative)
{
window.Dispatcher.VerifyAccess();
return window.ShowOverlayAsync().ContinueWith(z =>
{
return window.Dispatcher.Invoke(new Func<object>(() =>
{
//create the dialog control
MessageDialog dialog = new MessageDialog(window);
dialog.Message = message;
dialog.ButtonStyle = style;
dialog.AffirmativeButtonText = window.MetroDialogOptions.AffirmativeButtonText;
dialog.NegativeButtonText = window.MetroDialogOptions.NegativeButtonText;
SizeChangedEventHandler sizeHandler = SetupAndOpenDialog(window, title, dialog);
dialog.SizeChangedHandler = sizeHandler;
return dialog.WaitForLoadAsync().ContinueWith(x =>
{
return dialog.WaitForButtonPressAsync().ContinueWith<MessageDialogResult>(y =>
{
//once a button as been clicked, begin removing the dialog.
dialog.OnClose();
return ((Task)window.Dispatcher.Invoke(new Func<Task>(() =>
{
window.SizeChanged -= sizeHandler;
window.messageDialogContainer.Children.Remove(dialog); //remove the dialog from the container
return window.HideOverlayAsync();
//window.overlayBox.Visibility = System.Windows.Visibility.Hidden; //deactive the overlay effect
}))).ContinueWith(y3 => y).Result.Result;
}).Result;
});
}));
}).ContinueWith(x => ((Task<MessageDialogResult>)x.Result).Result);
}
private static void SetButtonState(MessageDialog 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("AccentedDialogHighlightedSquareButton") as Style;
md.PART_FirstAuxiliaryButton.Style = md.FindResource("AccentedDialogHighlightedSquareButton") as Style;
md.PART_SecondAuxiliaryButton.Style = md.FindResource("AccentedDialogHighlightedSquareButton") as Style;
break;
}
}
private static void SetButtonState(MessageDialog 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;
}
break;
case MessageDialogStyle.AffirmativeAndNegative:
{
md.PART_AffirmativeButton.Visibility = Visibility.Visible;
md.PART_NegativeButton.Visibility = Visibility.Visible;
}
break;
}
}
