/// <summary>
/// Called when the target object raises the <see cref="INotifyCollectionChanged.CollectionChanged"/> event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="NotifyCollectionChangedEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// This method is public to allow the usage of the <see cref="WeakEventListener"/>, do not call this method yourself.
/// </remarks>
public void OnObjectCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.OldItems != null)
{
foreach (var item in e.OldItems)
{
UnsubscribeNotifyChangedEvents(item);
}
}
// Reset requires our own logic
if (e.Action == NotifyCollectionChangedAction.Reset)
{
UpdateCollectionSubscriptions((ICollection)sender);
}
if (e.NewItems != null)
{
foreach (var item in e.NewItems)
{
SubscribeNotifyChangedEvents(item, true);
}
}
CollectionChanged.SafeInvoke(sender, e);
}
/// <summary>
/// Called when the target object raises the <see cref="INotifyCollectionChanged.CollectionChanged"/> event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="NotifyCollectionChangedEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// This method is public to allow the usage of the <see cref="WeakEventListener"/>, do not call this method yourself.
/// </remarks>
public void OnObjectCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.OldItems != null)
{
foreach (var item in e.OldItems)
{
UnsubscribeNotifyChangedEvents(item);
}
}
// Reset requires our own logic
if (e.Action == NotifyCollectionChangedAction.Reset)
{
var enumerable = sender as IEnumerable;
if (enumerable != null)
{
UpdateCollectionSubscriptions(enumerable);
}
else
{
Log.Warning("Received NotifyCollectionChangedAction.Reset for '{0}', but the type does implement IEnumerable", sender.GetType().GetSafeFullName());
}
}
if (e.NewItems != null)
{
foreach (var item in e.NewItems)
{
SubscribeNotifyChangedEvents(item, true);
}
}
CollectionChanged.SafeInvoke(sender, e);
}
/// <summary>
/// Called when the target object raises the <see cref="INotifyCollectionChanged.CollectionChanged"/> event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="NotifyCollectionChangedEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// This method is public to allow the usage of the <see cref="WeakEventListener"/>, do not call this method yourself.
/// </remarks>
public void OnObjectCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.OldItems != null)
{
foreach (var item in e.OldItems)
{
UnsubscribeNotifyChangedEvents(item);
}
}
if (e.NewItems != null)
{
foreach (var item in e.NewItems)
{
SubscribeNotifyChangedEvents(item, true);
}
}
CollectionChanged.SafeInvoke(sender, e);
}
/// <summary>
/// Called when the target object raises the <see cref="INotifyCollectionChanged.CollectionChanged"/> event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="NotifyCollectionChangedEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// This method is public to allow the usage of the <see cref="WeakEventListener"/>, do not call this method yourself.
/// </remarks>
public void OnObjectCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
var collection = sender as ICollection;
lock (_lockObject)
{
if (e.OldItems != null)
{
foreach (var item in e.OldItems)
{
UnsubscribeNotifyChangedEvents(item, collection);
}
}
// Reset requires our own logic
if (e.Action == NotifyCollectionChangedAction.Reset)
{
if (collection != null)
{
UpdateCollectionSubscriptions(collection);
}
else
{
Log.Warning("Received NotifyCollectionChangedAction.Reset for '{0}', but the type does not implement ICollection", sender.GetType().GetSafeFullName(false));
}
}
else if (e.NewItems != null)
{
foreach (var item in e.NewItems)
{
SubscribeNotifyChangedEvents(item, collection);
}
}
}
CollectionChanged.SafeInvoke(sender, e);
}
private void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
CollectionChanged.SafeInvoke(this, e);
}
public void RaiseCollectionChangedEvent()
{
CollectionChanged.SafeInvoke(this, () => new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}