public void DoesNotThrowWhenAddingNonActiveAwareObjects()
{
var collection = new ObservableCollection<object>();
var behavior = new CollectionActiveAwareBehavior(collection);
behavior.Attach();
collection.Add(new object());
}
public void DetachStopsListeningForChanges()
{
var collection = new ObservableCollection<object>();
var behavior = new CollectionActiveAwareBehavior(collection);
behavior.Attach();
behavior.Detach();
ActiveAwareObject activeAwareObject = new ActiveAwareObject();
collection.Add(activeAwareObject);
Assert.IsFalse(activeAwareObject.IsActive);
}
public void SetsIsActivePropertyOnIActiveAwareObjects()
{
var collection = new ObservableCollection<object>();
var behavior = new CollectionActiveAwareBehavior(collection);
behavior.Attach();
ActiveAwareObject activeAwareObject = new ActiveAwareObject();
Assert.IsFalse(activeAwareObject.IsActive);
collection.Add(activeAwareObject);
Assert.IsTrue(activeAwareObject.IsActive);
collection.Remove(activeAwareObject);
Assert.IsFalse(activeAwareObject.IsActive);
}
/// <summary>
/// Template method to attach new behaviors.
/// </summary>
/// <param name="region">The region being used.</param>
/// <param name="regionTarget">The object to adapt.</param>
/// <remarks>By default, this implementation attaches the <see cref="CollectionActiveAwareBehavior"/>.</remarks>
protected virtual void AttachBehaviors(IRegion region, T regionTarget)
{
CollectionActiveAwareBehavior activeAwareBehavior = new CollectionActiveAwareBehavior(region.ActiveViews);
activeAwareBehavior.Attach();
}
