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105 lines
4.1 KiB
Swift
105 lines
4.1 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Kingfisher
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import UIKit
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import ViewModels
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final class CardView: UIView {
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let imageView = UIImageView()
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let titleLabel = UILabel()
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let descriptionLabel = UILabel()
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let urlLabel = UILabel()
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let button = UIButton()
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var viewModel: CardViewModel? {
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didSet {
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guard let viewModel = viewModel else { return }
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imageView.isHidden = viewModel.imageURL == nil
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imageView.kf.setImage(with: viewModel.imageURL)
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titleLabel.text = viewModel.title
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descriptionLabel.text = viewModel.description
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descriptionLabel.isHidden = descriptionLabel.text == "" || descriptionLabel.text == titleLabel.text
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if
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let host = viewModel.url.host, host.hasPrefix("www."),
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let withoutWww = host.components(separatedBy: "www.").last {
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urlLabel.text = withoutWww
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} else {
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urlLabel.text = viewModel.url.host
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}
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}
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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initialSetup()
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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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}
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private extension CardView {
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// swiftlint:disable:next function_body_length
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func initialSetup() {
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backgroundColor = .secondarySystemBackground
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layer.cornerRadius = .defaultCornerRadius
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clipsToBounds = true
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let stackView = UIStackView()
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let innerStackView = UIStackView()
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addSubview(stackView)
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stackView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(button)
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button.translatesAutoresizingMaskIntoConstraints = false
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button.setBackgroundImage(.highlightedButtonBackground, for: .highlighted)
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stackView.addArrangedSubview(imageView)
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stackView.addArrangedSubview(innerStackView)
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imageView.contentMode = .scaleAspectFill
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imageView.clipsToBounds = true
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imageView.setContentCompressionResistancePriority(.defaultLow, for: .vertical)
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imageView.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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innerStackView.axis = .vertical
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innerStackView.isLayoutMarginsRelativeArrangement = true
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innerStackView.directionalLayoutMargins =
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.init(top: .defaultSpacing, leading: .defaultSpacing, bottom: .defaultSpacing, trailing: .defaultSpacing)
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innerStackView.spacing = .compactSpacing
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innerStackView.addArrangedSubview(titleLabel)
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innerStackView.addArrangedSubview(descriptionLabel)
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innerStackView.addArrangedSubview(urlLabel)
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titleLabel.font = .preferredFont(forTextStyle: .headline)
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titleLabel.adjustsFontForContentSizeCategory = true
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titleLabel.setContentCompressionResistancePriority(.required, for: .vertical)
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descriptionLabel.font = .preferredFont(forTextStyle: .subheadline)
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descriptionLabel.adjustsFontForContentSizeCategory = true
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descriptionLabel.setContentCompressionResistancePriority(.required, for: .vertical)
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urlLabel.font = .preferredFont(forTextStyle: .footnote)
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urlLabel.adjustsFontForContentSizeCategory = true
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urlLabel.setContentCompressionResistancePriority(.required, for: .vertical)
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urlLabel.textColor = .secondaryLabel
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NSLayoutConstraint.activate([
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stackView.leadingAnchor.constraint(equalTo: leadingAnchor),
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stackView.trailingAnchor.constraint(equalTo: trailingAnchor),
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stackView.topAnchor.constraint(equalTo: topAnchor),
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stackView.bottomAnchor.constraint(equalTo: bottomAnchor),
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button.leadingAnchor.constraint(equalTo: leadingAnchor),
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button.trailingAnchor.constraint(equalTo: trailingAnchor),
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button.topAnchor.constraint(equalTo: topAnchor),
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button.bottomAnchor.constraint(equalTo: bottomAnchor),
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imageView.heightAnchor.constraint(equalTo: innerStackView.heightAnchor),
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imageView.widthAnchor.constraint(equalTo: imageView.heightAnchor)
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])
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}
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}
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