/// <summary>
/// Begins observing the given notifying collection.
/// </summary>
/// <param name="notifyingCollection"></param>
public void ObserveCollection(INotifyCollectionChanged notifyingCollection)
{
notifyingCollection.ThrowIfNull("notifyingCollection");
if (IsDisposed)
{
return;
}
if (myObservedCollections.ContainsKey(notifyingCollection))
{
return;
}
myObservedCollections[notifyingCollection] = () => notifyingCollection.CollectionChanged -= myCollectionChangedEventHandler;
NotificationChainPropertyAttribute.CallProperties(notifyingCollection);
notifyingCollection.CollectionChanged += myCollectionChangedEventHandler;
var enumerable = notifyingCollection as IEnumerable;
if (enumerable != null)
{
foreach (var item in enumerable)
{
var inpc = item as INotifyPropertyChanged;
if (inpc != null)
{
base.Observe(inpc);
}
}
}
}
public CollectionNotificationChainManager(INotifyCollectionChanged notifyingCollection)
: this()
{
notifyingCollection.ThrowIfNull("notifyingCollection");
ObserveCollection(notifyingCollection);
}
/// <summary>
/// Stop observing the given notifying collection.
/// </summary>
/// <param name="notifyingCollection"></param>
public void StopObservingCollection(INotifyCollectionChanged notifyingCollection)
{
notifyingCollection.ThrowIfNull("notifyingCollection");
if (IsDisposed)
{
return;
}
Action removeHandler;
if (!myObservedCollections.TryGetValue(notifyingCollection, out removeHandler))
{
return;
}
lock (this)
{
removeHandler();
var enumerable = notifyingCollection as IEnumerable;
if (enumerable != null)
{
foreach (var item in enumerable)
{
base.StopObserving(item);
}
}
myObservedCollections.Remove(notifyingCollection);
}
}
/// <summary>
/// Begins observing the given notifying collection.
/// </summary>
/// <param name="notifyingCollection"></param>
public void ObserveCollection(INotifyCollectionChanged notifyingCollection)
{
notifyingCollection.ThrowIfNull ("notifyingCollection");
if (IsDisposed) return;
if (myObservedCollections.ContainsKey (notifyingCollection)) return;
myObservedCollections[notifyingCollection] = () => notifyingCollection.CollectionChanged -= myCollectionChangedEventHandler;
NotificationChainPropertyAttribute.CallProperties (notifyingCollection);
notifyingCollection.CollectionChanged += myCollectionChangedEventHandler;
var enumerable = notifyingCollection as IEnumerable;
if (enumerable != null)
{
foreach (var item in enumerable)
{
var inpc = item as INotifyPropertyChanged;
if (inpc != null)
base.Observe (inpc);
}
}
}
public CollectionNotificationChainManager(INotifyCollectionChanged notifyingCollection)
: this()
{
notifyingCollection.ThrowIfNull ("notifyingCollection");
ObserveCollection (notifyingCollection);
}
/// <summary>
/// Stop observing the given notifying collection.
/// </summary>
/// <param name="notifyingCollection"></param>
public void StopObservingCollection(INotifyCollectionChanged notifyingCollection)
{
notifyingCollection.ThrowIfNull ("notifyingCollection");
if (IsDisposed) return;
Action removeHandler;
if (!myObservedCollections.TryGetValue (notifyingCollection, out removeHandler))
return;
lock (this)
{
removeHandler ();
var enumerable = notifyingCollection as IEnumerable;
if (enumerable != null)
{
foreach (var item in enumerable)
{
base.StopObserving (item);
}
}
myObservedCollections.Remove (notifyingCollection);
}
}
