private Task <bool> ShowInLayoutView(FrameworkElement view, OutletBasedPresentationAttribute attribute, MvxViewModelRequest request)
{
var viewOutlet = FrameworkElementsDictionary.Keys.FirstOrDefault(w => (w as IIdentifiableViewOutlet)?.Identifier == attribute.OutletIdentifier) as IIdentifiableViewOutlet;
if (viewOutlet is null)
{
throw new ArgumentException($"Could not find view outlet with identifier '{attribute.OutletIdentifier}'.");
}
FrameworkElementsDictionary[viewOutlet as ContentControl].Push(view);
viewOutlet.ShowView(view);
return(Task.FromResult(true));
}
private Task <bool> CloseLayoutView(IMvxViewModel viewModel, OutletBasedPresentationAttribute attribute)
{
var item = FrameworkElementsDictionary.FirstOrDefault(i => i.Value.Count > 0 && (i.Value.Peek() as IMvxWpfView)?.ViewModel == viewModel);
var viewOutlet = item.Key as IIdentifiableViewOutlet;
var elements = item.Value;
if (elements.Count > 0)
{
elements.Pop(); // Pop closing view
}
if (elements.Count > 0)
{
viewOutlet.CloseView(viewModel, elements.Peek());
return(Task.FromResult(true));
}
return(Task.FromResult(false));
}
