102 lines
2.6 KiB
Swift
102 lines
2.6 KiB
Swift
//
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// DoubleTitleLabelNavigationBarTitleView.swift
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// Mastodon
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//
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// Created by BradGao on 2021/4/1.
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//
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import UIKit
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import Meta
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import MetaTextKit
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import MastodonAsset
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import MastodonCore
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import MastodonUI
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import MastodonLocalization
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final class DoubleTitleLabelNavigationBarTitleView: UIView {
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let containerView = UIStackView()
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let titleLabel = MetaLabel(style: .titleView)
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let subtitleLabel: UILabel = {
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let label = UILabel()
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label.font = .systemFont(ofSize: 12)
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label.textColor = Asset.Colors.Label.secondary.color
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label.textAlignment = .center
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label.isHidden = true
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return label
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}()
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override init(frame: CGRect) {
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super.init(frame: frame)
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_init()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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_init()
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}
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}
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extension DoubleTitleLabelNavigationBarTitleView {
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private func _init() {
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containerView.axis = .vertical
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containerView.alignment = .center
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containerView.distribution = .fill
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containerView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(containerView)
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containerView.pinToParent()
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containerView.addArrangedSubview(titleLabel)
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containerView.addArrangedSubview(subtitleLabel)
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isAccessibilityElement = true
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showsLargeContentViewer = true
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addInteraction(UILargeContentViewerInteraction())
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}
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func update(title: String, subtitle: String?) {
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titleLabel.configure(content: PlaintextMetaContent(string: title))
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update(subtitle: subtitle)
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accessibilityLabel = subtitle.map { "\(title), \($0)" } ?? title
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largeContentTitle = accessibilityLabel
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}
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func update(titleMetaContent: MetaContent, subtitle: String?) {
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titleLabel.configure(content: titleMetaContent)
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update(subtitle: subtitle)
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accessibilityLabel = subtitle.map { "\(titleLabel.backedString), \($0)" } ?? titleLabel.backedString
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largeContentTitle = accessibilityLabel
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}
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func update(subtitle: String?) {
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if let subtitle = subtitle {
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subtitleLabel.text = subtitle
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subtitleLabel.isHidden = false
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} else {
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subtitleLabel.text = nil
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subtitleLabel.isHidden = true
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}
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}
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}
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#if canImport(SwiftUI) && DEBUG
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import SwiftUI
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struct DoubleTitleLabelNavigationBarTitleView_Previews: PreviewProvider {
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static var previews: some View {
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UIViewPreview(width: 375) {
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DoubleTitleLabelNavigationBarTitleView()
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}
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.previewLayout(.fixed(width: 375, height: 100))
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}
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}
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#endif
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