223 lines
9.3 KiB
Swift
223 lines
9.3 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Combine
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import Mastodon
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import UIKit
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import ViewModels
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final class AccountFieldView: UIView {
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let nameLabel = AnimatedAttachmentLabel()
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let valueTextView = TouchFallthroughTextView()
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let checkButton = UIButton()
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private var valueTextViewTrailingConstraint: NSLayoutConstraint?
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private var cancellables = Set<AnyCancellable>()
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// swiftlint:disable:next function_body_length
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init(name: String,
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value: NSAttributedString,
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verifiedAt: Date?,
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emojis: [Emoji],
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identityContext: IdentityContext) {
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super.init(frame: .zero)
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NotificationCenter.default.publisher(for: UIAccessibility.voiceOverStatusDidChangeNotification)
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.sink { [weak self] _ in self?.configureUserInteractionEnabledForAccessibility() }
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.store(in: &cancellables)
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backgroundColor = .systemBackground
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let nameBackgroundView = UIView()
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addSubview(nameBackgroundView)
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nameBackgroundView.translatesAutoresizingMaskIntoConstraints = false
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nameBackgroundView.backgroundColor = .secondarySystemBackground
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let valueBackgroundView = UIView()
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addSubview(valueBackgroundView)
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valueBackgroundView.translatesAutoresizingMaskIntoConstraints = false
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valueBackgroundView.backgroundColor = verifiedAt == nil
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? .systemBackground
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: UIColor.systemGreen.withAlphaComponent(0.25)
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addSubview(nameLabel)
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nameLabel.translatesAutoresizingMaskIntoConstraints = false
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nameLabel.numberOfLines = 0
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nameLabel.font = .preferredFont(forTextStyle: .headline)
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nameLabel.textAlignment = .center
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nameLabel.textColor = .secondaryLabel
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let mutableName = NSMutableAttributedString(string: name)
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mutableName.insert(emojis: emojis, view: nameLabel, identityContext: identityContext)
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mutableName.resizeAttachments(toLineHeight: nameLabel.font.lineHeight)
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nameLabel.attributedText = mutableName
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let dividerView = UIView()
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addSubview(dividerView)
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dividerView.translatesAutoresizingMaskIntoConstraints = false
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dividerView.backgroundColor = .separator
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addSubview(valueTextView)
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valueTextView.translatesAutoresizingMaskIntoConstraints = false
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valueTextView.backgroundColor = .clear
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if verifiedAt != nil {
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valueTextView.linkTextAttributes = [
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.foregroundColor: UIColor.systemGreen as Any,
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.underlineColor: UIColor.clear]
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}
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let valueFont = UIFont.preferredFont(forTextStyle: verifiedAt == nil ? .body : .headline)
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let mutableValue = NSMutableAttributedString(attributedString: value)
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let valueRange = NSRange(location: 0, length: mutableValue.length)
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mutableValue.removeAttribute(.font, range: valueRange)
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mutableValue.addAttributes(
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[.font: valueFont as Any,
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.foregroundColor: UIColor.label],
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range: valueRange)
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mutableValue.insert(emojis: emojis, view: valueTextView, identityContext: identityContext)
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mutableValue.resizeAttachments(toLineHeight: valueFont.lineHeight)
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valueTextView.attributedText = mutableValue
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valueTextView.textAlignment = .center
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checkButton.setImage(
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UIImage(
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systemName: "checkmark",
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withConfiguration: UIImage.SymbolConfiguration(scale: .small)),
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for: .normal)
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addSubview(checkButton)
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checkButton.translatesAutoresizingMaskIntoConstraints = false
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checkButton.tintColor = .systemGreen
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checkButton.isHidden = verifiedAt == nil
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checkButton.showsMenuAsPrimaryAction = true
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checkButton.setContentCompressionResistancePriority(.required, for: .horizontal)
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checkButton.setContentHuggingPriority(.required, for: .horizontal)
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if let verifiedAt = verifiedAt {
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checkButton.menu = UIMenu(
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title: String.localizedStringWithFormat(
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NSLocalizedString("account.field.verified", comment: ""),
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Self.dateFormatter.string(from: verifiedAt)),
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options: .displayInline,
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children: [UIAction(title: NSLocalizedString("ok", comment: "")) { _ in }])
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}
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let nameLabelBottomConstraint = nameLabel.bottomAnchor.constraint(
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equalTo: bottomAnchor,
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constant: -.defaultSpacing)
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let valueTextViewBottomConstraint = valueTextView.bottomAnchor.constraint(
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lessThanOrEqualTo: bottomAnchor,
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constant: -.defaultSpacing)
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valueTextViewTrailingConstraint = valueTextView.trailingAnchor.constraint(
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equalTo: trailingAnchor,
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constant: -.defaultSpacing)
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for constraint in [nameLabelBottomConstraint, valueTextViewBottomConstraint] {
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constraint.priority = .justBelowMax
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}
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NSLayoutConstraint.activate([
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nameLabel.leadingAnchor.constraint(equalTo: leadingAnchor, constant: .defaultSpacing),
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nameLabel.topAnchor.constraint(equalTo: topAnchor, constant: .defaultSpacing),
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nameLabelBottomConstraint,
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dividerView.leadingAnchor.constraint(equalTo: nameLabel.trailingAnchor, constant: .defaultSpacing),
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dividerView.topAnchor.constraint(equalTo: topAnchor),
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dividerView.bottomAnchor.constraint(equalTo: bottomAnchor),
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dividerView.widthAnchor.constraint(equalToConstant: .hairline),
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checkButton.leadingAnchor.constraint(equalTo: dividerView.trailingAnchor, constant: .defaultSpacing),
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valueTextView.leadingAnchor.constraint(
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equalTo: verifiedAt == nil ? dividerView.trailingAnchor : checkButton.trailingAnchor,
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constant: .defaultSpacing),
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valueTextView.topAnchor.constraint(greaterThanOrEqualTo: topAnchor, constant: .defaultSpacing),
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valueTextViewTrailingConstraint!,
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valueTextViewBottomConstraint,
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nameLabel.widthAnchor.constraint(equalTo: widthAnchor, multiplier: 1 / 3),
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checkButton.centerYAnchor.constraint(equalTo: valueTextView.centerYAnchor),
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valueTextView.centerYAnchor.constraint(equalTo: nameLabel.centerYAnchor),
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nameBackgroundView.leadingAnchor.constraint(equalTo: leadingAnchor),
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nameBackgroundView.topAnchor.constraint(equalTo: topAnchor),
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nameBackgroundView.trailingAnchor.constraint(equalTo: dividerView.leadingAnchor),
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nameBackgroundView.bottomAnchor.constraint(equalTo: bottomAnchor),
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valueBackgroundView.leadingAnchor.constraint(equalTo: dividerView.trailingAnchor),
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valueBackgroundView.topAnchor.constraint(equalTo: topAnchor),
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valueBackgroundView.trailingAnchor.constraint(equalTo: trailingAnchor),
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valueBackgroundView.bottomAnchor.constraint(equalTo: bottomAnchor)
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])
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let accessibilityAttributedLabel = NSMutableAttributedString(attributedString: mutableName)
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accessibilityAttributedLabel.appendWithSeparator(mutableValue)
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if let verifiedAt = verifiedAt {
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accessibilityAttributedLabel.appendWithSeparator(
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String.localizedStringWithFormat(
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NSLocalizedString("account.field.verified", comment: ""),
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Self.dateFormatter.string(from: verifiedAt)))
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}
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isAccessibilityElement = true
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var accessibilityCustomActions = [UIAccessibilityCustomAction]()
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mutableValue.enumerateAttribute(
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.link,
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in: NSRange(location: 0, length: mutableValue.length),
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options: []) { attribute, range, _ in
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guard let url = attribute as? URL else { return }
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accessibilityCustomActions.append(
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UIAccessibilityCustomAction(
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name: String.localizedStringWithFormat(
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NSLocalizedString("accessibility.activate-link-%@", comment: ""),
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mutableValue.attributedSubstring(from: range).string)) { [weak self] _ in
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guard let valueTextView = self?.valueTextView else { return false }
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_ = valueTextView.delegate?.textView?(
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valueTextView,
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shouldInteractWith: url,
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in: range,
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interaction: .invokeDefaultAction)
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return true
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})
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}
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self.accessibilityAttributedLabel = accessibilityAttributedLabel
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self.accessibilityCustomActions = accessibilityCustomActions
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configureUserInteractionEnabledForAccessibility()
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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 layoutSubviews() {
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super.layoutSubviews()
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if !checkButton.isHidden {
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valueTextViewTrailingConstraint?.constant = -.defaultSpacing * 2 - checkButton.frame.width
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}
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}
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}
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private extension AccountFieldView {
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static let dateFormatter: DateFormatter = {
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let formatter = DateFormatter()
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formatter.dateStyle = .full
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return formatter
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}()
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func configureUserInteractionEnabledForAccessibility() {
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valueTextView.isUserInteractionEnabled = !UIAccessibility.isVoiceOverRunning
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}
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}
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