private void UpdateNotifiers()
{
if (notifier_default == null)
{
notifier_default = new NestedPropertyChangedNotifier <T>(PropertyBindingDepth);
}
if (notifiers == null)
{
notifiers = new Dictionary <T, NestedPropertyChangedNotifier <T> >();
}
else
{
foreach (var n in notifiers)
{
n.Value.PropertyChanged -= Item_PropertyChanged;
}
notifiers.Clear();
}
foreach (T item in base.Items)
{
AddPropertyChangedNotifier(item);
}
}
/// <summary>
/// Private copy constructor. Used by <see cref="CreateNew" />.
/// </summary>
private NestedPropertyChangedNotifier(NestedPropertyChangedNotifier <T> copyFrom, T obj)
{
CascadeNotifications = copyFrom.CascadeNotifications;
depth = copyFrom.depth;
properties = new Dictionary <string, NestedPropertyDescriptor>(copyFrom.properties);
notifiers = new Dictionary <string, InnerNotifier>();
var npcPds = properties.Select(p => p.Value).Where(npd =>
typeof(INotifyPropertyChanged).IsAssignableFrom(npd.PropertyType) &&
npd.PropertyDepth != depth);
foreach (var npd in npcPds)
{
var notifier = new InnerNotifier(npd);
notifiers[npd.Name] = notifier;
notifier.PropertyChanged += NestedPropertyChanged;
}
Object = obj;
}
