public ObjectPropertyCollection(IObjectInstance objectInstance, ClassProperty classProperty)
: base(objectInstance, classProperty)
{
if (ClassProperty.CanRead)
{
// When the collection is out of date, update it from the wrapped object.
_depCollection = new Dependent(OnUpdateCollection);
// When the property becomes out of date, trigger an update.
_depCollection.Invalidated += TriggerUpdate;
}
}
public ObjectPropertyCollection(IObjectInstance objectInstance, ClassProperty classProperty, bool hasChildObjects)
: base(objectInstance, classProperty)
{
_hasChildObjects = hasChildObjects;
if (ClassProperty.CanRead)
{
// Bind to the observable collection.
ClassProperty.SetUserOutput(ObjectInstance, _collection);
// When the collection is out of date, update it from the wrapped object.
_depCollection = new Dependent(OnUpdateCollection);
}
}
public ObjectPropertyAtom(IObjectInstance objectInstance, ClassProperty classProperty)
: base(objectInstance, classProperty)
{
if (ClassProperty.CanRead)
{
// When the property is out of date, update it from the wrapped object.
_depProperty = new Dependent(delegate
{
object value = ClassProperty.GetObjectValue(ObjectInstance.WrappedObject);
value = TranslateOutgoingValue(value);
if (!Object.Equals(_value, value))
_value = value;
if (_firePropertyChanged)
ObjectInstance.FirePropertyChanged(ClassProperty.Name);
_firePropertyChanged = true;
});
// When the property becomes out of date, trigger an update.
_depProperty.Invalidated += () => UpdateScheduler.ScheduleUpdate(this);
}
}
protected override void SetValue(object value)
{
// Use reflection to convert the collection to the ViewModel type
// (which must be compatible with List<T>, e.g. IEnumerable<T> or IList)
if (_translateIncomingList == null)
{
Type propType = ClassProperty.UnderlyingType;
Type elemType = (propType.GetInterfaces().Concat(new Type[] { propType })
.FirstOrDefault(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IEnumerable <>)) ?? typeof(IEnumerable <object>))
.GetGenericArguments()[0];
MethodInfo mi = GetType().GetMethod("TranslateIncomingList").MakeGenericMethod(new Type[] { elemType });
_translateIncomingList = (Func <IEnumerable, IEnumerable>)Delegate.CreateDelegate(typeof(Func <IEnumerable, IEnumerable>), this, mi);
}
value = _translateIncomingList((IEnumerable)value);
ClassProperty.SetObjectValue(ObjectInstance.WrappedObject, value);
// If the UI object switches to a new collection, we can expect it to
// cancel its subscription to _collection.CollectionChanged and subscribe
// to the new collection instead. So let's adopt the collection as our
// own, if it happens to be ObservableCollection<object>.
_collection = value as ObservableCollection <object>;
}
public ObjectPropertyAtom(IObjectInstance objectInstance, ClassProperty classProperty)
: base(objectInstance, classProperty)
{
if (ClassProperty.CanRead)
{
// When the property is out of date, update it from the wrapped object.
_depProperty = new Dependent(delegate
{
object value = ClassProperty.GetObjectValue(ObjectInstance.WrappedObject);
value = TranslateOutgoingValue(value);
if (!Object.Equals(_value, value))
{
_value = value;
}
if (_firePropertyChanged)
{
ObjectInstance.FirePropertyChanged(ClassProperty.Name);
}
_firePropertyChanged = true;
});
// When the property becomes out of date, trigger an update.
_depProperty.Invalidated += () => UpdateScheduler.ScheduleUpdate(this);
}
}
public ObjectPropertyAtomNative(IObjectInstance objectInstance, ClassProperty classProperty)
: base(objectInstance, classProperty)
{
}
public ObjectPropertyCollectionObject(IObjectInstance objectInstance, ClassProperty classProperty)
: base(objectInstance, classProperty)
{
}
public ObjectProperty LookupProperty(ClassProperty classProperty)
{
return(_properties.Single(p => p.ClassProperty == classProperty));
}
public static ObjectProperty From(IObjectInstance objectInstance, ClassProperty classProperty)
{
return(classProperty.MakeObjectProperty(objectInstance));
}
public ObjectProperty(IObjectInstance objectInstance, ClassProperty classProperty)
{
ObjectInstance = objectInstance;
ClassProperty = classProperty;
}
public static ObjectProperty From(IObjectInstance objectInstance, ClassProperty classProperty)
{
return classProperty.MakeObjectProperty(objectInstance);
}
public ObjectProperty(IObjectInstance objectInstance, ClassProperty classProperty)
{
ObjectInstance = objectInstance;
ClassProperty = classProperty;
}
public ObjectPropertyCollectionNative(IObjectInstance objectInstance, ClassProperty classProperty)
: base(objectInstance, classProperty)
{
}
public ObjectPropertyAtomNative(IObjectInstance objectInstance, ClassProperty classProperty)
: base(objectInstance, classProperty)
{
}
