97 lines
2.5 KiB
Swift
97 lines
2.5 KiB
Swift
import QuickLook
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import SwiftUI
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import UIKit
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extension URL: Identifiable {
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public var id: String {
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absoluteString
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}
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}
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struct QuickLookPreview: UIViewControllerRepresentable {
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let selectedURL: URL
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let urls: [URL]
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func makeUIViewController(context _: Context) -> UIViewController {
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return AppQLPreviewController(selectedURL: selectedURL, urls: urls)
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}
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func updateUIViewController(
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_: UIViewController, context _: Context
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) {}
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}
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class AppQLPreviewController: UIViewController {
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let selectedURL: URL
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let urls: [URL]
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var qlController: QLPreviewController?
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init(selectedURL: URL, urls: [URL]) {
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self.selectedURL = selectedURL
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self.urls = urls
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super.init(nibName: nil, bundle: nil)
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}
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@available(*, unavailable)
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required init?(coder _: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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if qlController == nil {
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qlController = QLPreviewController()
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qlController?.dataSource = self
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qlController?.delegate = self
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qlController?.currentPreviewItemIndex = urls.firstIndex(of: selectedURL) ?? 0
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present(qlController!, animated: true)
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}
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}
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}
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extension AppQLPreviewController: QLPreviewControllerDataSource {
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func numberOfPreviewItems(in _: QLPreviewController) -> Int {
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return urls.count
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}
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func previewController(_: QLPreviewController, previewItemAt index: Int) -> QLPreviewItem {
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return urls[index] as QLPreviewItem
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}
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}
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extension AppQLPreviewController: QLPreviewControllerDelegate {
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func previewController(_: QLPreviewController, editingModeFor _: QLPreviewItem) -> QLPreviewItemEditingMode {
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.createCopy
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}
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func previewControllerWillDismiss(_: QLPreviewController) {
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dismiss(animated: true)
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}
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func previewControllerDidDismiss(_: QLPreviewController) {
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dismiss(animated: true)
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}
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}
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struct TransparentBackground: UIViewControllerRepresentable {
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public func makeUIViewController(context _: Context) -> UIViewController {
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return TransparentController()
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}
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public func updateUIViewController(_: UIViewController, context _: Context) {}
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class TransparentController: UIViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = .clear
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}
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override func willMove(toParent parent: UIViewController?) {
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super.willMove(toParent: parent)
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parent?.view?.backgroundColor = .clear
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parent?.modalPresentationStyle = .overCurrentContext
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}
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}
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}
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