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@@ -0,0 +1,113 @@
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+//
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+// ViewerQuickLook.swift
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+// Nextcloud
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+//
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+// Created by Marino Faggiana on 12/01/23.
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+// Copyright © 2023 Marino Faggiana. All rights reserved.
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+//
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+
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+import SwiftUI
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+import QuickLook
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+import Mantis
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+
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+struct ViewerQuickLook: UIViewControllerRepresentable {
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+
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+ let url: URL
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+ @Binding var isPresented: Bool
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+
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+ func makeUIViewController(context: Context) -> UINavigationController {
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+ let controller = QLPreviewController()
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+
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+ controller.dataSource = context.coordinator
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+ controller.delegate = context.coordinator
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+ context.coordinator.viewController = controller
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+
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+ controller.navigationItem.leftBarButtonItem = UIBarButtonItem(
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+ barButtonSystemItem: .done, target: context.coordinator,
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+ action: #selector(context.coordinator.dismiss)
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+ )
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+
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+ controller.navigationItem.rightBarButtonItem = UIBarButtonItem(
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+ title: NSLocalizedString("_crop_", comment: ""), style: UIBarButtonItem.Style.plain, target: context.coordinator,
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+ action: #selector(context.coordinator.crop)
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+ )
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+
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+ let navigationController = UINavigationController(rootViewController: controller)
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+ return navigationController
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+ }
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+
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+ func updateUIViewController(_ uiViewController: UINavigationController, context: Context) { }
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+
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+ func makeCoordinator() -> Coordinator {
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+ return Coordinator(parent: self)
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+ }
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+
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+ class Coordinator: NSObject, QLPreviewControllerDataSource, QLPreviewControllerDelegate, CropViewControllerDelegate {
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+
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+ weak var viewController: QLPreviewController?
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+ let parent: ViewerQuickLook
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+
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+ init(parent: ViewerQuickLook) {
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+ self.parent = parent
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+ }
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+
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+ @objc func dismiss() {
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+ parent.isPresented = false
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+ }
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+
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+ // MARK: -
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+
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+ func numberOfPreviewItems(in controller: QLPreviewController) -> Int {
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+ return 1
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+ }
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+
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+ func previewController(_ controller: QLPreviewController, editingModeFor previewItem: QLPreviewItem) -> QLPreviewItemEditingMode {
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+ return .createCopy
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+ }
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+
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+ func previewController(_ controller: QLPreviewController, didSaveEditedCopyOf previewItem: QLPreviewItem, at modifiedContentsURL: URL) {
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+ guard NCUtilityFileSystem.shared.moveFile(atPath: modifiedContentsURL.path, toPath: parent.url.path) else { return }
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+ }
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+
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+ func previewController(_ controller: QLPreviewController, previewItemAt index: Int) -> QLPreviewItem {
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+ return parent.url as NSURL
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+ }
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+
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+ // MARK: -
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+
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+ func cropViewControllerDidCrop(_ cropViewController: Mantis.CropViewController, cropped: UIImage, transformation: Mantis.Transformation, cropInfo: Mantis.CropInfo) {
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+ cropViewController.dismiss(animated: true)
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+ guard let data = cropped.jpegData(compressionQuality: 1) else { return }
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+ do {
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+ try data.write(to: parent.url)
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+ viewController?.reloadData()
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+ } catch { }
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+ }
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+ func cropViewControllerDidCancel(_ cropViewController: Mantis.CropViewController, original: UIImage) {
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+ cropViewController.dismiss(animated: true)
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+ }
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+
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+ func cropViewControllerDidFailToCrop(_ cropViewController: Mantis.CropViewController, original: UIImage) {}
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+ func cropViewControllerDidBeginResize(_ cropViewController: Mantis.CropViewController) {}
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+ func cropViewControllerDidEndResize(_ cropViewController: Mantis.CropViewController, original: UIImage, cropInfo: Mantis.CropInfo) {}
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+ func cropViewControllerDidImageTransformed(_ cropViewController: Mantis.CropViewController) { }
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+
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+ @objc func crop() {
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+
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+ guard let image = UIImage(contentsOfFile: parent.url.path) else { return }
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+ let config = Mantis.Config()
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+
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+ if let bundleIdentifier = Bundle.main.bundleIdentifier {
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+ config.localizationConfig.bundle = Bundle(identifier: bundleIdentifier)
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+ config.localizationConfig.tableName = "Localizable"
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+ }
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+ let cropViewController = Mantis.cropViewController(image: image, config: config)
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+
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+ cropViewController.delegate = self
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+ cropViewController.modalPresentationStyle = .fullScreen
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+
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+ viewController?.present(cropViewController, animated: true)
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+ }
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+
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+ }
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+}
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Marino Faggiana