/// <summary>
/// Applies the middleware on the specified object.
/// </summary>
/// <param name="object">The object.</param>
/// <returns/>
public IBootstrapperWithContainer <AutofacAdapter, ContainerBuilder> Apply(IBootstrapperWithContainer <AutofacAdapter, ContainerBuilder> @object)
{
EventHandler strongHandler = ObjectOnInitializationCompleted;
@object.InitializationCompleted += WeakDelegate.From(strongHandler);
return(@object);
}
public ShellViewModel(
IViewModelCreatorService viewModelCreatorService)
{
_viewModelCreatorService = viewModelCreatorService;
EventHandler strongHandler = OnLoggedInSuccessfully;
LoginViewModel.LoggedInSuccessfully += WeakDelegate.From(strongHandler);
}
public ShellViewModel(
ILoginService loginService,
IDataService dataService)
{
_loginService = loginService;
_dataService = dataService;
EventHandler strongHandler = OnLoggedInSuccessfully;
LoginViewModel.LoggedInSuccessfully += WeakDelegate.From(strongHandler);
}
/// <summary>
/// Raises the <see cref="E:CollectionChanged" /> event.
/// </summary>
/// <param name="e">The <see cref="NotifyCollectionChangedEventArgs"/> instance containing the event data.</param>
protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
{
if (_internalSelectionHandler == null)
{
_internalSelectionHandler = WeakDelegate.From(InternalIsSelectedChanged);
}
Action <TItem> removeHandler = a =>
{
if (a is INotifyPropertyChanged)
{
((INotifyPropertyChanged)a).PropertyChanged -= _internalSelectionHandler;
}
Unselect(a);
};
Action <TItem> addHandler = (a) =>
{
if (a is INotifyPropertyChanged)
{
((INotifyPropertyChanged)a).PropertyChanged += _internalSelectionHandler;
}
if (_selectedItems.Count == 0 && IsSelectionRequired)
{
Select(a);
}
};
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
e.NewItems.Cast <TItem>().ForEach(addHandler);
break;
case NotifyCollectionChangedAction.Remove:
e.OldItems.Cast <TItem>().ForEach(removeHandler);
break;
case NotifyCollectionChangedAction.Replace:
e.OldItems.Cast <TItem>().ForEach(removeHandler);
e.NewItems.Cast <TItem>().ForEach(addHandler);
break;
case NotifyCollectionChangedAction.Reset:
Debug.Assert(false, "We should never be here. Check base class impl");
break;
default:
throw new ArgumentOutOfRangeException();
}
base.OnCollectionChanged(e);
}
/// <summary>
/// Override this method to inject custom logic on item creation.
/// </summary>
/// <param name="item">The item.</param>
protected override void OnCreated(TItem item)
{
if (_internalSelectionHandler == null)
{
_internalSelectionHandler = WeakDelegate.From(InternalIsSelectedChanged);
}
Action <TItem> addHandler = (a) =>
{
if (a is INotifyPropertyChanged)
{
((INotifyPropertyChanged)a).PropertyChanged += _internalSelectionHandler;
}
if (_selectedItems.Count == 0 && IsSelectionRequired)
{
Select(a);
}
};
addHandler(item);
}
/// <summary>
/// Initializes a new instance of the <see cref="ErrorInfoViewModel{T}"/> class.
/// </summary>
/// <param name="model">The model.</param>
protected ErrorInfoViewModel(T model) : base(model)
{
var properties = GetType().GetTypeInfo().DeclaredProperties;
foreach (var propertyInfo in properties)
{
var shouldDisplayAttributes =
propertyInfo.GetCustomAttributes(typeof(ShouldDisplayErrorInfoAttribute), true)
.OfType <ShouldDisplayErrorInfoAttribute>().ToArray();
if (shouldDisplayAttributes.Length == 1)
{
var shouldDisplayAttribute = shouldDisplayAttributes[0];
if (shouldDisplayAttribute.ShouldDisplay)
{
_interestingProperties.Add(propertyInfo.Name);
_isPropertyChanged.TryAdd(propertyInfo.Name, false);
}
}
}
PropertyChanged += WeakDelegate.From(OnPropertyChanged);
}
