protected virtual IAsyncOperation ShowInternalAsync(IDataContext context)
{
var presenters = _dynamicPresenters.ToArrayEx();
for (int i = 0; i < presenters.Length; i++)
{
var operation = presenters[i].TryShowAsync(context, this);
if (operation != null)
{
Trace("show", context, presenters[i]);
return(operation);
}
}
return(null);
}
public virtual INavigationOperation ShowAsync(IViewModel viewModel, IDataContext context)
{
Should.NotBeNull(viewModel, nameof(viewModel));
if (context == null)
{
context = DataContext.Empty;
}
var presenters = _dynamicPresenters.ToArrayEx();
for (int i = 0; i < presenters.Length; i++)
{
var operation = presenters[i].TryShowAsync(viewModel, context, this);
if (operation != null)
{
if (Tracer.TraceInformation)
{
Tracer.Info("The {0} is shown by {1}", viewModel.GetType().FullName, presenters[i].GetType().FullName);
}
return(operation);
}
}
throw ExceptionManager.PresenterCannotShowViewModel(GetType(), viewModel.GetType());
}