92 lines
2.1 KiB
Swift
92 lines
2.1 KiB
Swift
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// DocumentPicker.swift
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// Browse
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//
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// Created by Javier Cicchelli on 17/12/2022.
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// Copyright © 2022 Röck+Cöde. All rights reserved.
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//
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import Foundation
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import SwiftUI
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import UIKit
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struct DocumentPicker: UIViewControllerRepresentable {
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// MARK: Type aliases
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typealias SelectedClosure = ([URL]) -> Void
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typealias CancelledClosure = () -> Void
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// MARK: Properties
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private let selected: SelectedClosure
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private let cancelled: CancelledClosure?
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// MARK: Initialisers
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init(
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selected: @escaping SelectedClosure,
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cancelled: CancelledClosure? = nil
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) {
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self.selected = selected
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self.cancelled = cancelled
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}
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// MARK: Functions
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func makeUIViewController(context: Context) -> UIDocumentPickerViewController {
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let controller = UIDocumentPickerViewController(
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forOpeningContentTypes: [.item],
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asCopy: true
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)
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controller.allowsMultipleSelection = false
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controller.shouldShowFileExtensions = false
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controller.delegate = context.coordinator
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return controller
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}
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func updateUIViewController(
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_ uiViewController: UIDocumentPickerViewController,
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context: Context
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) { }
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func makeCoordinator() -> Coordinator {
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.init(self)
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}
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}
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// MARK: - Coordinators
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extension DocumentPicker {
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class Coordinator: NSObject, UIDocumentPickerDelegate {
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// MARK: Properties
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private var parent: DocumentPicker
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// MARK: Initialisers
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init(_ parent: DocumentPicker) {
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self.parent = parent
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}
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// MARK: UIDocumentPickerDelegate
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func documentPicker(
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_ controller: UIDocumentPickerViewController,
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didPickDocumentsAt urls: [URL]
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) {
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parent.selected(urls)
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}
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func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {
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controller.dismiss(animated: true) { [weak self] in
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self?.parent.cancelled?()
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}
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}
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}
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}
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