127 lines
4.9 KiB
Swift
127 lines
4.9 KiB
Swift
// Copyright © 2021 Metabolist. All rights reserved.
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import Combine
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import UIKit
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import ViewModels
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final class EditAttachmentViewController: UIViewController {
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private let viewModel: AttachmentViewModel
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private let parentViewModel: CompositionViewModel
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private var cancellables = Set<AnyCancellable>()
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init(viewModel: AttachmentViewModel, parentViewModel: CompositionViewModel) {
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self.viewModel = viewModel
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self.parentViewModel = parentViewModel
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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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// swiftlint:disable:next function_body_length
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = .systemBackground
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let editThumbnailView = EditThumbnailView(viewModel: viewModel)
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view.addSubview(editThumbnailView)
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editThumbnailView.translatesAutoresizingMaskIntoConstraints = false
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let stackView = UIStackView()
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view.addSubview(stackView)
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stackView.translatesAutoresizingMaskIntoConstraints = false
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stackView.axis = .vertical
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stackView.spacing = .defaultSpacing
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let describeLabel = UILabel()
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stackView.addArrangedSubview(describeLabel)
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describeLabel.adjustsFontForContentSizeCategory = true
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describeLabel.font = .preferredFont(forTextStyle: .headline)
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describeLabel.numberOfLines = 0
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describeLabel.textAlignment = .center
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switch viewModel.attachment.type {
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case .audio:
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describeLabel.text = NSLocalizedString("attachment.edit.description.audio", comment: "")
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case .video:
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describeLabel.text = NSLocalizedString("attachment.edit.description.video", comment: "")
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default:
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describeLabel.text = NSLocalizedString("attachment.edit.description", comment: "")
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}
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let textView = UITextView()
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stackView.addArrangedSubview(textView)
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textView.adjustsFontForContentSizeCategory = true
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textView.font = .preferredFont(forTextStyle: .body)
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textView.layer.borderWidth = .hairline
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textView.layer.borderColor = UIColor.separator.cgColor
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textView.layer.cornerRadius = .defaultCornerRadius
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textView.delegate = self
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textView.text = viewModel.editingDescription
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let remainingCharactersLabel = UILabel()
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stackView.addArrangedSubview(remainingCharactersLabel)
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remainingCharactersLabel.adjustsFontForContentSizeCategory = true
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remainingCharactersLabel.font = .preferredFont(forTextStyle: .subheadline)
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NSLayoutConstraint.activate([
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stackView.leadingAnchor.constraint(equalTo: view.layoutMarginsGuide.leadingAnchor),
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stackView.topAnchor.constraint(equalTo: view.layoutMarginsGuide.topAnchor, constant: .defaultSpacing),
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editThumbnailView.leadingAnchor.constraint(equalTo: stackView.trailingAnchor, constant: .defaultSpacing),
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stackView.bottomAnchor.constraint(
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equalTo: view.layoutMarginsGuide.bottomAnchor,
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constant: -.defaultSpacing),
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editThumbnailView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
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editThumbnailView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor),
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editThumbnailView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor),
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editThumbnailView.widthAnchor.constraint(equalTo: stackView.widthAnchor, multiplier: 3 / 2)
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])
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viewModel.$descriptionRemainingCharacters
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.sink {
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remainingCharactersLabel.text = String($0)
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remainingCharactersLabel.textColor = $0 < 0 ? .systemRed : .label
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}
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.store(in: &cancellables)
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textView.becomeFirstResponder()
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}
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override func didMove(toParent parent: UIViewController?) {
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super.didMove(toParent: parent)
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let cancelButton = UIBarButtonItem(
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systemItem: .cancel,
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primaryAction: UIAction { [weak self] _ in
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self?.presentingViewController?.dismiss(animated: true)
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})
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let doneButton = UIBarButtonItem(
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systemItem: .done,
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primaryAction: UIAction { [weak self] _ in
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guard let self = self else { return }
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self.parentViewModel.update(attachmentViewModel: self.viewModel)
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self.presentingViewController?.dismiss(animated: true)
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})
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parent?.navigationItem.leftBarButtonItem = cancelButton
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parent?.navigationItem.rightBarButtonItem = doneButton
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parent?.navigationItem.title = NSLocalizedString("attachment.edit.title", comment: "")
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}
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}
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extension EditAttachmentViewController: UITextViewDelegate {
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func textViewDidChange(_ textView: UITextView) {
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viewModel.editingDescription = textView.text
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}
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}
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