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Code Issues 95 Packages Projects Releases 10 Wiki Activity

swiftUI support done for now

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This commit is contained in:
John Estropia
2019-10-06 23:37:04 +09:00
parent 953c9723a8
commit b073b7e795
14 changed files with 710 additions and 424 deletions
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164
Sources/LiveList.swift
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@@ -35,6 +35,11 @@ import AppKit
#endif
#if canImport(Combine)
import Combine
#endif
#if canImport(SwiftUI)
import SwiftUI
@@ -44,58 +49,41 @@ import SwiftUI
// MARK: - LiveList
@available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 15.0, *)
public final class LiveList<D: DynamicObject>: Hashable {
public final class LiveList<D: DynamicObject> {
// MARK: Public (Accessors)
/**
The type for the objects contained bye the `ListMonitor`
*/
public typealias ObjectType = D
public fileprivate(set) var snapshot: Snapshot = .empty {
didSet {
// MARK: Public
public fileprivate(set) var snapshot: ListSnapshot<ObjectType> = .init() {
willSet {
#if canImport(Combine)
let newValue = self.snapshot
let oldValue = self.snapshot
guard newValue != oldValue else {
return
}
#if canImport(SwiftUI)
withAnimation {
self.objectWillChange.send()
}
#else
self.objectWillChange.send()
#endif
#endif
}
}
// MARK: Equatable
public static func == (_ lhs: LiveList<D>, _ rhs: LiveList<D>) -> Bool {
return lhs === rhs
}
// MARK: Hashable
public func hash(into hasher: inout Hasher) {
hasher.combine(ObjectIdentifier(self))
}
// MARK: LiveResult
public typealias ObjectType = D
public typealias SnapshotType = ListSnapshot<D>
// MARK: Internal
@@ -273,7 +261,7 @@ public final class LiveList<D: DynamicObject>: Hashable {
// transactionQueue.async {
//
// try! self.fetchedResultsController.performFetchFromSpecifiedStores()
// try!internal self.fetchedResultsController.performFetchFromSpecifiedStores()
// self.taskGroup.notify(queue: .main) {
//
// createAsynchronously(self)
@@ -285,108 +273,6 @@ public final class LiveList<D: DynamicObject>: Hashable {
try! self.fetchedResultsController.performFetchFromSpecifiedStores()
}
}
// MARK: - Snapshot
public struct Snapshot: RandomAccessCollection, Hashable {
public subscript(indices: IndexSet) -> [ObjectType] {
let context = self.context!
let objectIDs = self.snapshotStruct.itemIdentifiers
return indices.map { position in
let objectID = objectIDs[position]
return context.fetchExisting(objectID)!
}
}
// MARK: RandomAccessCollection
public var startIndex: Index {
return 0
}
public var endIndex: Index {
return self.snapshotStruct.numberOfItems
}
public subscript(position: Index) -> ObjectType {
let context = self.context!
let objectID = self.snapshotStruct.itemIdentifiers[position]
return context.fetchExisting(objectID)!
}
// MARK: Sequence
public typealias Element = ObjectType
public typealias Index = Int
// public typealias SubSequence = Slice<Snapshot<ObjectType>>
//
// /// A type that represents the indices that are valid for subscripting the
// /// collection, in ascending order.
// public typealias Indices = Range<Int>
//
// /// A type that provides the collection's iteration interface and
// /// encapsulates its iteration state.
// ///
// /// By default, a collection conforms to the `Sequence` protocol by
// /// supplying `IndexingIterator` as its associated `Iterator`
// /// type.
// public typealias Iterator = IndexingIterator<FetchedResults<Result>>
// MARK: Equatable
public static func == (_ lhs: Snapshot, _ rhs: Snapshot) -> Bool {
return lhs.snapshotReference == rhs.snapshotReference
}
// MARK: Hashable
public func hash(into hasher: inout Hasher) {
hasher.combine(self.snapshotReference)
}
// MARK: Internal
internal static var empty: Snapshot {
return .init()
}
internal init(snapshotReference: NSDiffableDataSourceSnapshotReference, context: NSManagedObjectContext) {
self.snapshotReference = snapshotReference
self.snapshotStruct = snapshotReference as NSDiffableDataSourceSnapshot<NSString, NSManagedObjectID>
self.context = context
}
// MARK: Private
private let snapshotReference: NSDiffableDataSourceSnapshotReference
private let snapshotStruct: NSDiffableDataSourceSnapshot<NSString, NSManagedObjectID>
private let context: NSManagedObjectContext?
private init() {
self.snapshotReference = .init()
self.snapshotStruct = self.snapshotReference as NSDiffableDataSourceSnapshot<NSString, NSManagedObjectID>
self.context = nil
}
}
}
@@ -407,10 +293,10 @@ extension LiveList: FetchedDiffableDataSourceSnapshotHandler {
#if canImport(Combine)
import Combine
// MARK: - LiveList: ObservableObject
// MARK: - LiveList: LiveResult
@available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 15.0, *)
extension LiveList: ObservableObject {
extension LiveList: LiveResult {
// MARK: ObservableObject