private void CheckWatcherWrapper()
{
if (_WatcherWrapper == null)
{
_WatcherWrapper = new BlockDictWatcher <IProperty>(this, OnPropertyChanged, OnPropertyChanged);
AddDictWatcher(_WatcherWrapper);
}
}
private IDictWatcher <T> GetWrapperWatcher(IDictWatcher watcher)
{
IDictWatcher <T> wrapper = null;
if (_GenericWatcherMapping.TryGetValue(watcher, out wrapper))
{
return(wrapper);
}
return(null);
}
public bool RemoveDictWatcher <T1>(IDictWatcher <T1> watcher)
where T1 : class, IInDictElement
{
IDictWatcher <T> wrapper = GetWrapperWatcher(watcher);;
if (wrapper != null)
{
return(WeakListHelper.Remove(_GenericWatchers, wrapper));
}
return(false);
}
public bool AddDictWatcher <T1>(IDictWatcher <T1> watcher)
where T1 : class, IInDictElement
{
IDictWatcher <T> wrapper = GetWrapperWatcher(watcher);;
if (wrapper == null)
{
wrapper = CreateWrapperWatcher <T1>(watcher);
return(WeakListHelper.Add(ref _GenericWatchers, wrapper));
}
return(false);
}
private IDictWatcher <T> CreateWrapperWatcher <T1>(IDictWatcher <T1> watcher)
where T1 : class, IInDictElement
{
BlockDictWatcher <T> wrapper = new BlockDictWatcher <T>(this,
(T _element) => {
T1 element = _element as T1;
if (element != null)
{
watcher.OnElementAdded(element);
}
},
(T _element) => {
T1 element = _element as T1;
if (element != null)
{
watcher.OnElementAdded(element);
}
}
);
return(wrapper);
}
public bool RemoveDictWatcher(IDictWatcher <T> watcher)
{
return(WeakListHelper.Remove(_Watchers, watcher));
}
public bool AddDictWatcher(IDictWatcher <T> watcher)
{
return(WeakListHelper.Add(ref _Watchers, watcher));
}
