Added
- Support for
UICollectionViewDelegate.collectionView(_:canPerformPrimaryActionForItemAt:)
andUICollectionViewDelegate.collectionView(_:performPrimaryActionForItemAt:)
delegate methods on iOS 16 and tvOS 16. - Support for
UICollectionViewDelegate.collectionView(_:contextMenuConfigurationForItemsAt:point:)
,UICollectionViewDelegate.collectionView(_:contextMenuConfiguration:highlightPreviewForItemAt:
) andUICollectionViewDelegate.collectionView(_:contextMenuConfiguration:dismissalPreviewForItemAt:
methods on iOS 16. - Support for
UIHostingConfiguration
on iOS 16 / tvOS 16 / macCatalyst 16:
manager.registerHostingConfiguration(for: Post.self) { _, post, _ in
UIHostingConfiguration {
PostView(post: post)
}
}
It's also possible to incorporate UIKit cell states by simply adding additional parameter to registration:
manager.registerHostingConfiguration(for: Post.self) { state, _, post, _ in
UIHostingConfiguration {
PostView(post: post, isSelected: state.isSelected)
}
}
Additionally, it's possible to customize UICollectionViewCell
being used to host SwiftUI view, for example for list cells:
manager.registerHostingConfiguration(for: Post.self, cell: UICollectionViewListCell.self) { _, post, _ in
UIHostingConfiguration {
PostView(post: post)
}
}
- Support for events, wrapping
UICollectionViewDataSourcePrefetching
protocol.
manager.register(PostCell.self) { mapping in
mapping.prefetch { model, indexPath in }
mapping.cancelPrefetch { model, indexPath in }
}
Please note, that while datasource methods are called once per array of indexPaths, events for models will be called individually, so single model (and indexPath) is passed to each event. Theoretically, this should make prefetching and cancellation easier, since you no longer need to walk through array and find all data models, you can operate on a single data model at a time.
Deprecated
- Cell / View events, registered with
DTCollectionViewManager
are soft-deprecated. Please use events in mapping instead:
Deprecated:
manager.register(PostCell.self)
manager.didSelect(PostCell.self) { postCell, post, indexPath in }
Recommended:
manager.register(PostCell.self) { mapping in
mapping.didSelect { postCell, post, indexPath in }
}
While previously main benefits for second syntax were mostly syntactic, now with support for SwiftUI it will be hard to actually specialize hosting cells (and might be impossible when iOS 16 hosting configuration is supported), so only second syntax will work for all kinds of cells, and first syntax can only work for non-SwiftUI cells.
New delegate methods for UICollectionView (starting with iOS 16 / tvO 16 SDK) will be added only as extension to mapping protocols, not DTCollectionViewManager itself.