112 lines
4.5 KiB
Swift
112 lines
4.5 KiB
Swift
// Copyright © 2021 Metabolist. All rights reserved.
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import UIKit
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final class NewItemsView: UIView {
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let button = UIButton()
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public var title: String? {
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get { label.text }
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set {
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label.text = newValue
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button.accessibilityLabel = newValue
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}
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}
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private let label = UILabel()
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private let blurView: UIVisualEffectView
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private let vibrancyView: UIVisualEffectView
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init() {
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let blurEffect = UIBlurEffect(style: .systemChromeMaterial)
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blurView = UIVisualEffectView(effect: blurEffect)
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vibrancyView = UIVisualEffectView(effect: UIVibrancyEffect(blurEffect: blurEffect, style: .label))
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super.init(frame: .zero)
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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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override func layoutSubviews() {
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super.layoutSubviews()
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let cornerRadius = bounds.height / 2
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layer.cornerRadius = cornerRadius
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blurView.layer.cornerRadius = cornerRadius
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layer.shadowPath = UIBezierPath(roundedRect: layer.bounds, cornerRadius: cornerRadius).cgPath
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}
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}
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private extension NewItemsView {
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// swiftlint:disable:next function_body_length
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func initialSetup() {
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backgroundColor = .clear
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layer.shadowOffset = .zero
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layer.shadowRadius = .defaultShadowRadius
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layer.shadowOpacity = .defaultShadowOpacity
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addSubview(blurView)
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blurView.translatesAutoresizingMaskIntoConstraints = false
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blurView.clipsToBounds = true
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blurView.contentView.addSubview(vibrancyView)
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vibrancyView.translatesAutoresizingMaskIntoConstraints = false
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let stackView = UIStackView()
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vibrancyView.contentView.addSubview(stackView)
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stackView.translatesAutoresizingMaskIntoConstraints = false
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stackView.spacing = .defaultSpacing
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let arrowImage = UIImage(systemName: "arrow.up",
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withConfiguration: UIImage.SymbolConfiguration(weight: .bold))
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stackView.addArrangedSubview(UIImageView(image: arrowImage))
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stackView.addArrangedSubview(label)
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label.adjustsFontForContentSizeCategory = true
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label.font = .preferredFont(forTextStyle: .headline)
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addSubview(button)
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button.translatesAutoresizingMaskIntoConstraints = false
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let touchStartAction = UIAction { [weak self] _ in self?.alpha = 0.75 }
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button.addAction(touchStartAction, for: .touchDown)
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button.addAction(touchStartAction, for: .touchDragEnter)
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let touchEndAction = UIAction { [weak self] _ in self?.alpha = 1 }
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button.addAction(touchEndAction, for: .touchDragExit)
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button.addAction(touchEndAction, for: .touchUpInside)
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button.addAction(touchEndAction, for: .touchUpOutside)
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button.addAction(touchEndAction, for: .touchCancel)
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NSLayoutConstraint.activate([
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blurView.leadingAnchor.constraint(equalTo: leadingAnchor),
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blurView.topAnchor.constraint(equalTo: topAnchor),
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blurView.trailingAnchor.constraint(equalTo: trailingAnchor),
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blurView.bottomAnchor.constraint(equalTo: bottomAnchor),
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button.leadingAnchor.constraint(equalTo: leadingAnchor),
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button.topAnchor.constraint(equalTo: topAnchor),
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button.trailingAnchor.constraint(equalTo: trailingAnchor),
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button.bottomAnchor.constraint(equalTo: bottomAnchor),
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vibrancyView.leadingAnchor.constraint(equalTo: blurView.contentView.leadingAnchor),
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vibrancyView.topAnchor.constraint(equalTo: blurView.contentView.topAnchor),
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vibrancyView.trailingAnchor.constraint(equalTo: blurView.contentView.trailingAnchor),
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vibrancyView.bottomAnchor.constraint(equalTo: blurView.contentView.bottomAnchor),
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stackView.leadingAnchor.constraint(equalTo: vibrancyView.contentView.leadingAnchor,
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constant: .defaultSpacing),
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stackView.topAnchor.constraint(equalTo: vibrancyView.contentView.topAnchor, constant: .defaultSpacing),
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stackView.trailingAnchor.constraint(equalTo: vibrancyView.contentView.trailingAnchor,
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constant: -.defaultSpacing * 2),
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stackView.bottomAnchor.constraint(equalTo: vibrancyView.contentView.bottomAnchor,
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constant: -.defaultSpacing)
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])
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}
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}
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