CollectionViewUpdater

open class CollectionViewUpdater : StorageUpdating

CollectionViewUpdater is responsible for updating UICollectionView, when it receives storage updates.

  • closure to be executed before content is updated

    Declaration

    Swift

    open var willUpdateContent: ((StorageUpdate?) -> Void)?
  • closure to be executed after content is updated

    Declaration

    Swift

    open var didUpdateContent: ((StorageUpdate?) -> Void)?
  • Closure to be executed, when reloading an item.

    Declaration

    Swift

    open var reloadItemClosure: ((IndexPath, Any) -> Void)?
  • When this property is true, move events will be animated as delete event and insert event.

    Declaration

    Swift

    open var animateMoveAsDeleteAndInsert: Bool
  • Boolean property, that indicates whether batch updates are completed.

    Note

    this can be useful if you are deciding whether to run another batch of animations - insertion, deletions etc. UICollectionView is not very tolerant to multiple performBatchUpdates, executed at once.

    Declaration

    Swift

    open var batchUpdatesInProgress: Bool
  • Creates updater.

    Declaration

    Swift

    public init(collectionView: UICollectionView,
                reloadItem: ((IndexPath, Any) -> Void)? = nil,
                animateMoveAsDeleteAndInsert: Bool = false)
  • Updates UICollectionView with received update. This method applies object and section changes in performBatchUpdates method.

    Declaration

    Swift

    open func storageDidPerformUpdate(_ update: StorageUpdate)
  • Call this method, if you want UICollectionView to be reloaded, and beforeContentUpdate: and afterContentUpdate: closures to be called.

    Declaration

    Swift

    open func storageNeedsReloading()