mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
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231 lines
6.2 KiB
Swift
231 lines
6.2 KiB
Swift
//
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// FeedTableViewCell.swift
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// NetNewsWire
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//
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// Created by Brent Simmons on 8/1/15.
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// Copyright © 2015 Ranchero Software, LLC. All rights reserved.
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//
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import UIKit
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import RSCore
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import Account
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import RSTree
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protocol FeedTableViewCellDelegate: AnyObject {
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func feedTableViewCellDisclosureDidToggle(_ sender: FeedTableViewCell, expanding: Bool)
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}
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class FeedTableViewCell : VibrantTableViewCell {
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weak var delegate: FeedTableViewCellDelegate?
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override var accessibilityLabel: String? {
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set {}
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get {
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if unreadCount > 0 {
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let unreadLabel = NSLocalizedString("unread", comment: "Unread label for accessiblity")
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return "\(name) \(unreadCount) \(unreadLabel)"
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} else {
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return name
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}
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}
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}
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var iconImage: IconImage? {
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didSet {
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iconView.iconImage = iconImage
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}
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}
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var isDisclosureAvailable = false {
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didSet {
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if isDisclosureAvailable != oldValue {
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setNeedsLayout()
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}
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}
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}
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var isSeparatorShown = true {
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didSet {
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if isSeparatorShown != oldValue {
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if isSeparatorShown {
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showView(bottomSeparatorView)
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} else {
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hideView(bottomSeparatorView)
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}
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}
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}
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}
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var unreadCount: Int {
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get {
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return unreadCountView.unreadCount
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}
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set {
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if unreadCountView.unreadCount != newValue {
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unreadCountView.unreadCount = newValue
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unreadCountView.isHidden = (newValue < 1)
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setNeedsLayout()
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}
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}
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}
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var name: String {
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get {
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return titleView.text ?? ""
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}
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set {
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if titleView.text != newValue {
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titleView.text = newValue
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setNeedsLayout()
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}
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}
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}
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private let titleView: UILabel = {
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let label = NonIntrinsicLabel()
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label.numberOfLines = 0
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label.allowsDefaultTighteningForTruncation = false
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label.adjustsFontForContentSizeCategory = true
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label.lineBreakMode = .byTruncatingTail
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label.font = .preferredFont(forTextStyle: .body)
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return label
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}()
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private let iconView = IconView()
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private let bottomSeparatorView: UIView = {
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let view = UIView()
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view.backgroundColor = UIColor.separator
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view.alpha = 0.5
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return view
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}()
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private var isDisclosureExpanded = false
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private var disclosureButton: UIButton?
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private var unreadCountView = FeedUnreadCountView(frame: CGRect.zero)
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private var isShowingEditControl = false
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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commonInit()
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}
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func setDisclosure(isExpanded: Bool, animated: Bool) {
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isDisclosureExpanded = isExpanded
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let duration = animated ? 0.3 : 0.0
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UIView.animate(withDuration: duration) {
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if self.isDisclosureExpanded {
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self.disclosureButton?.accessibilityLabel = NSLocalizedString("Collapse Folder", comment: "Collapse Folder")
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self.disclosureButton?.imageView?.transform = CGAffineTransform(rotationAngle: 1.570796)
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} else {
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self.disclosureButton?.accessibilityLabel = NSLocalizedString("Expand Folder", comment: "Expand Folder")
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self.disclosureButton?.imageView?.transform = CGAffineTransform(rotationAngle: 0)
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}
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}
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}
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override func applyThemeProperties() {
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super.applyThemeProperties()
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}
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override func willTransition(to state: UITableViewCell.StateMask) {
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super.willTransition(to: state)
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isShowingEditControl = state.contains(.showingEditControl)
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}
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override func sizeThatFits(_ size: CGSize) -> CGSize {
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let layout = FeedTableViewCellLayout(cellWidth: bounds.size.width, insets: safeAreaInsets, label: titleView, unreadCountView: unreadCountView, showingEditingControl: isShowingEditControl, indent: indentationLevel == 1, shouldShowDisclosure: isDisclosureAvailable)
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return CGSize(width: bounds.width, height: layout.height)
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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let layout = FeedTableViewCellLayout(cellWidth: bounds.size.width, insets: safeAreaInsets, label: titleView, unreadCountView: unreadCountView, showingEditingControl: isShowingEditControl, indent: indentationLevel == 1, shouldShowDisclosure: isDisclosureAvailable)
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layoutWith(layout)
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}
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@objc func buttonPressed(_ sender: UIButton) {
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if isDisclosureAvailable {
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setDisclosure(isExpanded: !isDisclosureExpanded, animated: true)
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delegate?.feedTableViewCellDisclosureDidToggle(self, expanding: isDisclosureExpanded)
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}
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}
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override func updateVibrancy(animated: Bool) {
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super.updateVibrancy(animated: animated)
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let iconTintColor: UIColor
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if isHighlighted || isSelected {
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iconTintColor = AppAssets.vibrantTextColor
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} else {
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if let preferredColor = iconImage?.preferredColor {
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iconTintColor = UIColor(cgColor: preferredColor)
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} else {
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iconTintColor = AppAssets.secondaryAccentColor
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}
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}
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if animated {
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UIView.animate(withDuration: Self.duration) {
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self.iconView.tintColor = iconTintColor
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}
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} else {
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self.iconView.tintColor = iconTintColor
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}
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updateLabelVibrancy(titleView, color: labelColor, animated: animated)
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}
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}
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private extension FeedTableViewCell {
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func commonInit() {
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addSubviewAtInit(unreadCountView)
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addSubviewAtInit(iconView)
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addSubviewAtInit(titleView)
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addDisclosureView()
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addSubviewAtInit(bottomSeparatorView)
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}
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func addDisclosureView() {
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disclosureButton = NonIntrinsicButton(type: .roundedRect)
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disclosureButton!.addTarget(self, action: #selector(buttonPressed(_:)), for: UIControl.Event.touchUpInside)
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disclosureButton?.setImage(AppAssets.disclosureImage, for: .normal)
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disclosureButton?.tintColor = AppAssets.controlBackgroundColor
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disclosureButton?.imageView?.contentMode = .center
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disclosureButton?.imageView?.clipsToBounds = false
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disclosureButton?.addInteraction(UIPointerInteraction())
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addSubviewAtInit(disclosureButton!)
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}
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func addSubviewAtInit(_ view: UIView) {
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addSubview(view)
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view.translatesAutoresizingMaskIntoConstraints = false
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}
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func layoutWith(_ layout: FeedTableViewCellLayout) {
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iconView.setFrameIfNotEqual(layout.faviconRect)
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titleView.setFrameIfNotEqual(layout.titleRect)
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unreadCountView.setFrameIfNotEqual(layout.unreadCountRect)
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disclosureButton?.setFrameIfNotEqual(layout.disclosureButtonRect)
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disclosureButton?.isHidden = !isDisclosureAvailable
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bottomSeparatorView.setFrameIfNotEqual(layout.separatorRect)
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}
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func hideView(_ view: UIView) {
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if !view.isHidden {
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view.isHidden = true
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}
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}
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func showView(_ view: UIView) {
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if view.isHidden {
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view.isHidden = false
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}
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}
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}
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