/// <summary>
/// Creates a <see cref="CustomMessageDialog"/> inside of the current window.
/// </summary>
/// <param name="window">The MetroWindow</param>
/// <param name="title">The title of the <see cref="CustomMessageDialog"/>.</param>
/// <param name="message">The message contained within the <see cref="CustomMessageDialog"/>.</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> ShowCustomMessageAsync(
this MetroWindow window, string title, object message, MessageDialogStyle style = MessageDialogStyle.Affirmative, MetroDialogSettings settings = null)
{
settings = settings ?? window.MetroDialogOptions;
var dialog = new CustomMessageDialog(window, settings)
{
Message = message,
Title = title,
ButtonStyle = style
};
var tcs = new TaskCompletionSource <MessageDialogResult>();
dialog.WaitForButtonPressAsync().ContinueWith(async task =>
{
await window.Invoke(async() =>
{
await window.HideMetroDialogAsync(dialog);
// The focus may have changed and altered the command-routing path, so suggest that command conditions be re-evaluated.
// Note that this may no longer necessary since making the "current document" content control
// focusable (which fixed a bunch of command condition re-evaluation issues).
CommandManager.InvalidateRequerySuggested();
});
tcs.TrySetResult(task.Result);
});
window.ShowMetroDialogAsync(dialog, settings ?? window.MetroDialogOptions);
return(tcs.Task);
}
private static void SetButtonState(CustomMessageDialog 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_AffirmativeButton.SetResourceReference(StyleProperty, "AccentedDialogHighlightedSquareButton");
md.PART_NegativeButton.SetResourceReference(StyleProperty, "AccentedDialogHighlightedSquareButton");
md.PART_FirstAuxiliaryButton.SetResourceReference(StyleProperty, "AccentedDialogHighlightedSquareButton");
md.PART_SecondAuxiliaryButton.SetResourceReference(StyleProperty, "AccentedDialogHighlightedSquareButton");
break;
}
}
