Javier Cicchelli
c9f4b9a677
This PR contains the work done to implement the `FeedItemViewController` view controller, that shows in details a selected review from the `FeedListViewController` view controller. Reviewed-on: #10 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
101 lines
2.7 KiB
Swift
101 lines
2.7 KiB
Swift
//
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// HostingConfiguration.swift
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// ReviewsUIKit
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//
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// Created by Javier Cicchelli on 18/03/2024.
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// Copyright © 2024 Röck+Cöde. All rights reserved.
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//
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import SwiftUI
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public struct HostingConfiguration<Content: View>: UIContentConfiguration {
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// MARK: Type aliases
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public typealias ContentClosure = () -> Content
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// MARK: Constants
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fileprivate let hostingController: UIHostingController<Content>
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// MARK: Initialisers
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public init(@ViewBuilder content: ContentClosure) {
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hostingController = UIHostingController(rootView: content())
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}
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// MARK: Functions
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public func makeContentView() -> UIView & UIContentView {
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ContentView<Content>(self)
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}
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public func updated(
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for state: UIConfigurationState
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) -> HostingConfiguration<Content> {
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self
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}
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}
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// MARK: - Classes
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class ContentView<Content: View>: UIView, UIContentView {
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// MARK: Properties
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var configuration: UIContentConfiguration {
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didSet {
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configure(configuration)
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}
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}
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// MARK: Initialisers
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init(_ configuration: UIContentConfiguration) {
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self.configuration = configuration
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super.init(frame: .zero)
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}
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required init?(coder: NSCoder) {
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// This view shouldn't be initialized this way so we crash
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fatalError("init(coder:) has not been implemented")
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}
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}
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// MARK: - Helpers
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private extension ContentView {
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// MARK: Functions
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func configure(_ configuration: UIContentConfiguration) {
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guard
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let configuration = configuration as? HostingConfiguration<Content>,
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let parent = findNextViewController()
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else {
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return
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}
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let hostingController = configuration.hostingController
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guard
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let swiftUICellView = hostingController.view,
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subviews.isEmpty
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else {
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hostingController.view.invalidateIntrinsicContentSize()
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return
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}
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hostingController.view.backgroundColor = .clear
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parent.addChild(hostingController)
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addSubview(hostingController.view)
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hostingController.view.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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leadingAnchor.constraint(equalTo: swiftUICellView.leadingAnchor),
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trailingAnchor.constraint(equalTo: swiftUICellView.trailingAnchor),
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topAnchor.constraint(equalTo: swiftUICellView.topAnchor),
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bottomAnchor.constraint(equalTo: swiftUICellView.bottomAnchor)
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])
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hostingController.didMove(toParent: parent)
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}
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}
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