public static void RemoveAll <T, T2>(this IReactiveList <T> list, Predicate <T2> predicate) where T2 : T
{
if (list == null)
{
throw new ArgumentNullException(nameof(list));
}
if (predicate == null)
{
throw new ArgumentNullException(nameof(predicate));
}
list.RemoveAll(list.Where(x => predicate((T2)x)).ToArray());
}
/* public static void RemoveAllLocked<T, T2>(this ReactiveList<T> list, IEnumerable<T2> other) where T2 : T
* {
* if (list == null) throw new ArgumentNullException(nameof(list));
* if (other == null) throw new ArgumentNullException(nameof(other));
* lock (list)
* list.RemoveAll(other);
* }*/
public static void RemoveAllLocked <T>(this IReactiveList <T> list, Predicate <T> predicate)
{
if (list == null)
{
throw new ArgumentNullException(nameof(list));
}
if (predicate == null)
{
throw new ArgumentNullException(nameof(predicate));
}
lock (list)
list.RemoveAll(list.Where(x => predicate(x)).ToArray());
}
void SetupCollectionItems <T>(IReactiveList <T> src, IReactiveList <IHierarchicalLibraryItem> dst,
Func <T, bool> predicate = null) where T : Collection
{
lock (src) {
var srcF = predicate == null ? src : src.Where(predicate);
lock (dst)
dst.AddRange(srcF.Select(CreateCustomModSet));
_disposables.Add(src.TrackChanges(
x => dst.AddLocked(CreateCustomModSet(x)),
x => {
lock (CollectionsGroup.Children)
dst.RemoveLocked(GetCollection(x));
},
reset => {
lock (dst) {
lock (CollectionsGroup.Children)
dst.RemoveAll(GetCollections().ToArray());
dst.AddRange(reset.Select(CreateCustomModSet));
}
}, predicate));
}
}
public static CompositeDisposable TrackChangesOnUiThread <T>(this IReactiveList <T> list, Action <T> add,
Action <T> remove,
Action <IEnumerable <T> > reset, Func <T, bool> filter = null)
{
if (list == null)
{
throw new ArgumentNullException(nameof(list));
}
var disposables = new CompositeDisposable();
if (add != null)
{
var o = list.ItemsAdded;
if (filter != null)
{
o = o.Where(filter);
}
disposables.Add(o.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(add));
}
if (remove != null)
{
var o = list.ItemsRemoved;
if (filter != null)
{
o = o.Where(filter);
}
disposables.Add(o.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(remove));
}
if (reset != null)
{
disposables.Add(list.ShouldReset
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x => reset(filter == null ? list.ToArray() : list.Where(filter).ToArray())));
}
return(disposables);
}
