internal WaitProgressDialogController(WaitProgressDialog dialog, Func<Task> closeCallBack)
{
WrappedDialog = dialog;
CloseCallback = closeCallBack;
IsOpen = dialog.IsVisible;
}
public static Task<WaitProgressDialogController> ShowWaitProgressAsync(this MetroWindow window, string title, string message = null)
{
window.Dispatcher.VerifyAccess();
return HandleOverlayOnShow(null, window).ContinueWith(z =>
{
return ((Task<WaitProgressDialogController>)window.Dispatcher.Invoke(new Func<Task<WaitProgressDialogController>>(() =>
{
WaitProgressDialog dialog = new WaitProgressDialog(window);
dialog.Message = message;
dialog.Title = title;
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 new WaitProgressDialogController(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>(a =>
{
return (Task)window.Dispatcher.Invoke(new Func<Task>(() =>
{
window.SizeChanged -= sizeHandler;
window.metroDialogContainer.Children.Remove(dialog);
return HandleOverlayOnHide(null, window);
}));
}).Unwrap();
});
});
})));
}).Unwrap();
}