/// <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;
}
/// <summary>
/// Create a new <see cref="NestedPropertyChangeNotifier{T}" /> for type T and the
/// given depth of nested properties.
/// </summary>
public NestedPropertyChangedNotifier(int depth = 1)
{
CascadeNotifications = true;
this.depth = depth;
var pds = NestedPropertyDescriptor.GetNestedProperties(typeof(T), depth);
properties = pds.ToDictionary(pd => pd.Name);
var npcPds = pds.Where(npd =>
typeof(INotifyPropertyChanged).IsAssignableFrom(npd.PropertyType) &&
npd.PropertyDepth != depth);
notifiers = new Dictionary <string, InnerNotifier>();
foreach (var npd in npcPds)
{
var notifier = new InnerNotifier(npd);
notifiers[npd.Name] = notifier;
notifier.PropertyChanged += NestedPropertyChanged;
}
}
