public AsyncObservableCollection <GroupMemberItem> GetSortedGroupMembers()
{
AsyncObservableCollection <GroupMemberItem> items = this.ToCollection();
items.Sort((x, y) => x.DisplayName.CompareTo(y.DisplayName));
return(items);
}
public static AsyncObservableCollection <T> GetItems <T>(this AsyncObservableCollection <T> collection, DummyItemType collectionType) where T : StoreItem, new()
{
AsyncObservableCollection <T> items = collection.ToCollection();
items.Sort((x, y) => x.Title.CompareTo(y.Title));
if (collectionType == DummyItemType.NoneType || collectionType == DummyItemType.AllNoneType)
{
T item = StoreItem.GetDummyItem <T>(DummyItemType.NoneType);
items.Insert(0, item);
}
if (collectionType == DummyItemType.AllType || collectionType == DummyItemType.AllNoneType)
{
T item = StoreItem.GetDummyItem <T>(DummyItemType.AllType);
items.Insert(0, item);
}
// If there are no items at all in the collection, throw an 'All' on the list
if (items.Count == 0)
{
T item = StoreItem.GetDummyItem <T>(DummyItemType.AllType);
items.Insert(0, item);
}
return(items);
}