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Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP: SwiftUI utils

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John Estropia
2020-12-26 19:21:46 +09:00
parent 477f478d85
commit 9406901b28
5 changed files with 138 additions and 0 deletions
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18
CoreStore.xcodeproj/project.pbxproj
View File

@@ -362,6 +362,10 @@
B52FD3AB1E3B3EF10001D919 /* NSManagedObject+Logging.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52FD3A91E3B3EF10001D919 /* NSManagedObject+Logging.swift */; };
B52FD3AC1E3B3EF10001D919 /* NSManagedObject+Logging.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52FD3A91E3B3EF10001D919 /* NSManagedObject+Logging.swift */; };
B52FD3AD1E3B3EF10001D919 /* NSManagedObject+Logging.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52FD3A91E3B3EF10001D919 /* NSManagedObject+Logging.swift */; };
B52FEC742596DBE100368BFB /* ObjectReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52FEC732596DBE000368BFB /* ObjectReader.swift */; };
B52FEC752596DBE100368BFB /* ObjectReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52FEC732596DBE000368BFB /* ObjectReader.swift */; };
B52FEC762596DBE100368BFB /* ObjectReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52FEC732596DBE000368BFB /* ObjectReader.swift */; };
B52FEC772596DBE100368BFB /* ObjectReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52FEC732596DBE000368BFB /* ObjectReader.swift */; };
B533C4DB1D7D4BFA001383CB /* DispatchQueue+CoreStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B533C4DA1D7D4BFA001383CB /* DispatchQueue+CoreStore.swift */; };
B533C4DC1D7D4BFA001383CB /* DispatchQueue+CoreStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B533C4DA1D7D4BFA001383CB /* DispatchQueue+CoreStore.swift */; };
B533C4DD1D7D4BFA001383CB /* DispatchQueue+CoreStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B533C4DA1D7D4BFA001383CB /* DispatchQueue+CoreStore.swift */; };
@@ -1064,6 +1068,7 @@
B52F743C1E9B8724005F3DAC /* XcodeDataModelSchema.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = XcodeDataModelSchema.swift; sourceTree = "<group>"; };
B52F74491E9B8740005F3DAC /* CoreStoreSchema.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CoreStoreSchema.swift; sourceTree = "<group>"; };
B52FD3A91E3B3EF10001D919 /* NSManagedObject+Logging.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "NSManagedObject+Logging.swift"; sourceTree = "<group>"; };
B52FEC732596DBE000368BFB /* ObjectReader.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ObjectReader.swift; sourceTree = "<group>"; };
B533C4DA1D7D4BFA001383CB /* DispatchQueue+CoreStore.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "DispatchQueue+CoreStore.swift"; sourceTree = "<group>"; };
B538BA701D15B3E30003A766 /* CoreStoreBridge.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CoreStoreBridge.m; sourceTree = "<group>"; };
B53B275E1EE3B92E00E9B352 /* CoreStoreManagedObject.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CoreStoreManagedObject.swift; sourceTree = "<group>"; };
@@ -1535,6 +1540,14 @@
name = "Dynamic Schema";
sourceTree = "<group>";
};
B52FEC722596DB6400368BFB /* SwiftUI */ = {
isa = PBXGroup;
children = (
B52FEC732596DBE000368BFB /* ObjectReader.swift */,
);
name = SwiftUI;
sourceTree = "<group>";
};
B53FBA101CAB607000F0D40A /* Convenience */ = {
isa = PBXGroup;
children = (
@@ -1697,6 +1710,7 @@
B5D1E22B19FA9FBC003B2874 /* CoreStoreError.swift */,
B549F6721E56A92800FBAB2D /* CoreDataNativeType.swift */,
B5D339F01E94AF5800C880DE /* CoreStoreStrings.swift */,
B52FEC722596DB6400368BFB /* SwiftUI */,
B5E84EDA1AFF84500064E85B /* Setup */,
B51B5C2922D43854009FA3BA /* KeyPaths */,
B5E84EE21AFF84610064E85B /* Logging */,
@@ -2441,6 +2455,7 @@
B559CD491CAA8C6D00E4D58B /* CSStorageInterface.swift in Sources */,
B5ECDC2F1CA81CDC00C7F112 /* CSCoreStore+Transaction.swift in Sources */,
B5E84F311AFF849C0064E85B /* Internals.WeakObject.swift in Sources */,
B52FEC742596DBE100368BFB /* ObjectReader.swift in Sources */,
B5E84F101AFF847B0064E85B /* GroupBy.swift in Sources */,
B5E84F201AFF84860064E85B /* DataStack+Observing.swift in Sources */,
B501FDDD1CA8D05000BE22EF /* CSSectionBy.swift in Sources */,
@@ -2693,6 +2708,7 @@
B501FDDF1CA8D05000BE22EF /* CSSectionBy.swift in Sources */,
B5BF7FAE234C41E90070E741 /* Internals.DiffableDataSourceSnapshot.swift in Sources */,
B538BA781D15B3E30003A766 /* CoreStoreBridge.m in Sources */,
B52FEC752596DBE100368BFB /* ObjectReader.swift in Sources */,
B51260801E97A18000402229 /* CoreStoreObject+Convenience.swift in Sources */,
82BA18D31C4BBD7100A0916E /* NSManagedObjectContext+CoreStore.swift in Sources */,
82BA18AD1C4BBD3100A0916E /* UnsafeDataTransaction.swift in Sources */,
@@ -2945,6 +2961,7 @@
B5220E181D130711009BC71E /* ObjectObserver.swift in Sources */,
B5220E251D13088E009BC71E /* ListObserver.swift in Sources */,
B538BA7A1D15B3E30003A766 /* CoreStoreBridge.m in Sources */,
B52FEC772596DBE100368BFB /* ObjectReader.swift in Sources */,
B5BF7FB0234C41E90070E741 /* Internals.DiffableDataSourceSnapshot.swift in Sources */,
B51260821E97A18000402229 /* CoreStoreObject+Convenience.swift in Sources */,
B52DD1A01BE1F92C00949AFE /* UnsafeDataTransaction.swift in Sources */,
@@ -3197,6 +3214,7 @@
B501FDE01CA8D05000BE22EF /* CSSectionBy.swift in Sources */,
B5BF7FAF234C41E90070E741 /* Internals.DiffableDataSourceSnapshot.swift in Sources */,
B538BA791D15B3E30003A766 /* CoreStoreBridge.m in Sources */,
B52FEC762596DBE100368BFB /* ObjectReader.swift in Sources */,
B51260811E97A18000402229 /* CoreStoreObject+Convenience.swift in Sources */,
B56321B11BD6521C006C9394 /* NSManagedObjectContext+CoreStore.swift in Sources */,
B563218D1BD65216006C9394 /* CoreStore+Transaction.swift in Sources */,

5
Sources/ObjectPublisher.swift
View File

@@ -173,6 +173,11 @@ public final class ObjectPublisher<O: DynamicObject>: ObjectRepresentation, Hash
}
return ObjectSnapshot<O>(objectID: self.id, context: context)
}
public func cs_dataStack() -> DataStack? {
return self.context.parentStack
}
// MARK: Equatable

100
Sources/ObjectReader.swift Normal file
View File

@@ -0,0 +1,100 @@
//
// ListState.swift
// CoreStore
//
// Created by John Rommel Estropia on 2020/12/26.
// Copyright © 2020 John Rommel Estropia. All rights reserved.
//
#if canImport(Combine) && canImport(SwiftUI)
import Combine
import SwiftUI
// MARK: - ObjectReader
@available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 10.15, *)
public struct ObjectReader<Object: DynamicObject, Content: View, Placeholder: View>: View {
// MARK: Internal
public init(
_ objectPublisher: ObjectPublisher<Object>?,
@ViewBuilder content: @escaping (ObjectSnapshot<Object>) -> Content,
@ViewBuilder placeholder: @escaping () -> Placeholder
) {
self.objectPublisher = .init(
objectPublisher.flatMap {
guard let dataStack = $0.cs_dataStack() else {
return nil
}
return $0.asPublisher(in: dataStack)
}
)
self.content = content
self.placeholder = placeholder
}
public init(
_ objectPublisher: ObjectPublisher<Object>?,
@ViewBuilder content: @escaping (ObjectSnapshot<Object>) -> Content
) where Placeholder == EmptyView {
self.init(
objectPublisher,
content: content,
placeholder: EmptyView.init
)
}
// MARK: View
public var body: some View {
if let snapshot = self.objectPublisher.wrappedValue?.snapshot {
self.content(snapshot)
}
else {
self.placeholder()
}
}
// MARK: Private
@ObservedObject
private var objectPublisher: OptionalObservedObject<ObjectPublisher<Object>>
private let content: (ObjectSnapshot<Object>) -> Content
private let placeholder: () -> Placeholder
// MARK: - OptionalObservedObject
fileprivate final class OptionalObservedObject<T: ObservableObject>: ObservableObject where ObservableObjectPublisher == T.ObjectWillChangePublisher {
// MARK: Internal
let wrappedValue: T?
init(_ wrappedValue: T?) {
self.wrappedValue = wrappedValue
self.objectWillChange = wrappedValue.map(\.objectWillChange) ?? .init()
}
// MARK: ObservableObject
let objectWillChange: ObservableObjectPublisher
}
}
#endif

10
Sources/ObjectRepresentation.swift
View File

@@ -67,6 +67,11 @@ public protocol ObjectRepresentation {
A thread-safe `struct` that is a full-copy of the object's properties
*/
func asSnapshot(in transaction: BaseDataTransaction) -> ObjectSnapshot<ObjectType>?
/**
Used internally by CoreStore. Do not call directly.
*/
func cs_dataStack() -> DataStack?
}
extension NSManagedObject: ObjectRepresentation {}
@@ -142,4 +147,9 @@ extension DynamicObject where Self: ObjectRepresentation {
let context = transaction.unsafeContext()
return ObjectSnapshot<Self>(objectID: self.cs_id(), context: context)
}
public func cs_dataStack() -> DataStack? {
return self.cs_toRaw().managedObjectContext?.parentStack
}
}

5
Sources/ObjectSnapshot.swift
View File

@@ -86,6 +86,11 @@ public struct ObjectSnapshot<O: DynamicObject>: ObjectRepresentation, Hashable {
let context = transaction.unsafeContext()
return ObjectSnapshot<O>(objectID: self.id, context: context)
}
public func cs_dataStack() -> DataStack? {
return self.context.parentStack
}
// MARK: Equatable