public MixedItemSourceCollection(ItemCollectionBase <TItem> itemCollection, IEnumerable sourceCollection, int itemCollectionSplitIndex)
{
IndexedSourceCollection = new IndexedEnumerable(sourceCollection);
SourceCollection = sourceCollection;
ItemCollectionSplitIndex = itemCollectionSplitIndex >= 0 ? itemCollectionSplitIndex.Clamp(0, itemCollection.Count) : itemCollection.Count;
ItemCollection = itemCollection;
if (SourceCollection is INotifyCollectionChanged incc)
{
incc.CollectionChanged += OnSourceCollectionChanged;
}
((INotifyCollectionChanged)itemCollection).CollectionChanged += OnItemCollectionChanged;
}
protected ItemCollectionSourceBase(IItemsHost <TItem> itemsHost, ItemCollectionBase <TControl, TItem> itemCollection)
{
ItemsHost = itemsHost;
ItemCollection = itemCollection;
}
public ItemDependencyObjectCollection(ItemCollectionBase <TItemsControl, TItem> itemCollection)
{
ItemCollection = itemCollection;
}
// ReSharper disable once SuggestBaseTypeForParameter
protected ItemCollectionSelectorAdvisor(ISelector <TItem> selector, ItemCollectionBase <TControl, TItem> collection) : base(selector, collection)
{
collection.AttachObserver(this);
}
public ItemCollectionSource(IItemsHost <TItem> itemsHost, ItemCollectionBase <TControl, TItem> itemCollection) : base(itemsHost, itemCollection)
{
}
public VirtualItemCollectionSource(IVirtualItemsHost <TItem> itemsHost, ItemCollectionBase <TControl, TItem> itemCollection) : base(itemsHost, itemCollection)
{
VirtualCollection = new VirtualItemCollection(itemCollection);
itemsHost.VirtualSource = VirtualCollection;
}