protected IEnumerable <T> GetCollection <T>(Func <IEnumerable <T> > getMethod, [CallerMemberName] string propertyName = "")
{
ForView.Initialize();
ComputedPropertyBase property;
if (!_computedPropertyByName.TryGetValue(propertyName, out property))
{
property = new ComputedCollection <T>(getMethod);
_computedPropertyByName.Add(propertyName, property);
}
return((IEnumerable <T>)property.Value);
}
protected T Get <T>(Func <T> getMethod, [CallerMemberName] string propertyName = "")
{
ForView.Initialize();
ComputedPropertyBase property;
if (!_computedPropertyByName.TryGetValue(propertyName, out property))
{
property = new ComputedAtom <T>(() => FirePropertyChanged(propertyName), getMethod);
_computedPropertyByName.Add(propertyName, property);
}
return((T)property.Value);
}
public object ViewModel(Func <object> constructor, [CallerMemberName] string propertyName = "")
{
if (DesignMode)
{
return(constructor());
}
ForView.Initialize();
ViewModelContainer container;
if (!_containerByName.TryGetValue(propertyName, out container))
{
container = new ViewModelContainer(() => FirePropertyChanged(propertyName), constructor);
_containerByName.Add(propertyName, container);
}
return(container.ViewModel);
}
protected IEnumerable <T> GetCollection <T>(Func <IEnumerable <T> > getMethod, [CallerMemberName] string propertyName = "")
{
ForView.Initialize();
return(_propertyTracker.GetCollection(getMethod, propertyName));
}
protected T Get <T>(Func <T> getMethod, [CallerMemberName] string propertyName = "")
{
ForView.Initialize();
return(_propertyTracker.Get(getMethod, propertyName));
}
public ViewModelContainer(Action firePropertyChanged, Func <object> constructor)
{
_computed = new Computed(() => _viewModel = ForView.Wrap(constructor()));
_computed.Invalidated += () => UpdateScheduler.ScheduleUpdate(firePropertyChanged);
}
public override object ProvideValue(IServiceProvider serviceProvider)
{
return(ForView.Wrap(_inner.ProvideValue(serviceProvider)));
}