public override Task <MessageBoxResult> ShowMessageBoxAsync(object context, string message, string title, string trueText, BorderStyle?trueStyle, string falseText, BorderStyle?falseStyle, MessageBoxButton button, MessageBoxImage icon)
{
if (GetWindow(context) is MetroWindow mw)
{
Task <MessageBoxResult> showCore()
{
if (DialogParticipation.GetRegister(mw) != null)
{
switch (button)
{
case MessageBoxButton.YesNo:
return(mw.ShowMessageAsync(title, message, MessageDialogStyle.AffirmativeAndNegative, new MetroDialogSettings
{
AffirmativeButtonText = !string.IsNullOrEmpty(trueText) ? trueText : "はい",
NegativeButtonText = !string.IsNullOrEmpty(falseText) ? falseText : "いいえ",
OwnerCanCloseWithDialog = true
}).ContinueWith(t => t.Status != TaskStatus.RanToCompletion ? MessageBoxResult.None : t.Result == MessageDialogResult.Affirmative ? MessageBoxResult.Yes : MessageBoxResult.No));
case MessageBoxButton.OK:
return(mw.ShowMessageAsync(title, message, MessageDialogStyle.Affirmative, new MetroDialogSettings
{
AffirmativeButtonText = !string.IsNullOrEmpty(trueText) ? trueText : "OK",
OwnerCanCloseWithDialog = true
}).ContinueWith(t => t.Status != TaskStatus.RanToCompletion ? MessageBoxResult.None : MessageBoxResult.OK));
}
}
return(base.ShowMessageBoxAsync(context, message, title, trueText, trueStyle, falseText, falseStyle, button, icon));
}
if (mw.Dispatcher.Thread != Thread.CurrentThread)
{
var tcs = new TaskCompletionSource <MessageBoxResult>();
InvokeAsync(context, () => showCore().ContinueWith(t =>
{
if (t.Status == TaskStatus.RanToCompletion)
{
tcs.TrySetResult(t.Result);
}
else if (t.Exception != null)
{
tcs.TrySetException(t.Exception);
}
else
{
tcs.TrySetCanceled();
}
}, TaskScheduler.FromCurrentSynchronizationContext()));
return(tcs.Task);
}
return(showCore());
}
return(base.ShowMessageBoxAsync(context, message, title, trueText, trueStyle, falseText, falseStyle, button, icon));
}
protected override Task ShowModalAsync(object context, FrameworkElement frameworkElement)
{
if (GetWindow(context) is MetroWindow mw)
{
Task showCore()
{
if (DialogParticipation.GetRegister(mw) != null &&
!(frameworkElement is Window))
{
ConfigureViewModel(frameworkElement.DataContext);
var tcs = new TaskCompletionSource <object>();
if (frameworkElement is BaseMetroDialog d)
{
d.Unloaded += (s, e) => tcs.TrySetResult(null);
mw.ShowMetroDialogAsync(d);
}
else
{
var gd = new GenericMetroDialog()
{
DataContext = frameworkElement.DataContext,
Content = frameworkElement,
};
gd.Unloaded += (s, e) => tcs.TrySetResult(null);
mw.ShowMetroDialogAsync(gd);
}
return(tcs.Task);
}
return(base.ShowModalAsync(context, frameworkElement));
}
if (mw.Dispatcher.Thread != Thread.CurrentThread)
{
return(InvokeAsync(context, showCore));
}
return(showCore());
}
return(base.ShowModalAsync(context, frameworkElement));
}
protected override bool CloseModal(object context, object viewModel)
{
var app = Application.Current;
if (app != null)
{
foreach (var mw in app.Windows.OfType <MetroWindow>().ToList())
{
if (DialogParticipation.GetRegister(mw) != null)
{
var dc = mw.FindChild <Panel>("PART_MetroActiveDialogContainer");
if (dc != null)
{
foreach (var d in dc.Children.OfType <BaseMetroDialog>().Where(e => e.DataContext == viewModel).ToList())
{
mw.HideMetroDialogAsync(d).GetHashCode();
}
}
}
}
}
return(base.CloseModal(context, viewModel));
}