107 lines
3.8 KiB
Swift
107 lines
3.8 KiB
Swift
//
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// PickServerLoaderTableViewCell.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-5-13.
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//
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import UIKit
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import Combine
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final class PickServerLoaderTableViewCell: TimelineLoaderTableViewCell {
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let containerView: UIView = {
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let view = UIView()
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view.layoutMargins = UIEdgeInsets(top: 16, left: 16, bottom: 10, right: 16)
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view.backgroundColor = Asset.Theme.Mastodon.secondaryGroupedSystemBackground.color
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view.translatesAutoresizingMaskIntoConstraints = false
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return view
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}()
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let seperator: UIView = {
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let view = UIView()
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view.backgroundColor = Asset.Theme.Mastodon.systemGroupedBackground.color
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view.translatesAutoresizingMaskIntoConstraints = false
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return view
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}()
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let emptyStatusLabel: UILabel = {
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let label = UILabel()
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label.text = L10n.Scene.ServerPicker.EmptyState.noResults
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label.textColor = Asset.Colors.Label.secondary.color
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label.textAlignment = .center
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label.font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 14, weight: .semibold), maximumPointSize: 19)
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return label
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}()
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override func _init() {
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super._init()
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configureMargin()
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contentView.addSubview(containerView)
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contentView.addSubview(seperator)
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NSLayoutConstraint.activate([
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// Set background view
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containerView.topAnchor.constraint(equalTo: contentView.topAnchor),
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containerView.leadingAnchor.constraint(equalTo: contentView.layoutMarginsGuide.leadingAnchor),
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contentView.layoutMarginsGuide.trailingAnchor.constraint(equalTo: containerView.trailingAnchor),
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contentView.bottomAnchor.constraint(equalTo: containerView.bottomAnchor, constant: 1),
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// Set bottom separator
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seperator.leadingAnchor.constraint(equalTo: containerView.leadingAnchor),
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containerView.trailingAnchor.constraint(equalTo: seperator.trailingAnchor),
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containerView.topAnchor.constraint(equalTo: seperator.topAnchor),
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seperator.heightAnchor.constraint(equalToConstant: 1).priority(.defaultHigh),
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])
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emptyStatusLabel.translatesAutoresizingMaskIntoConstraints = false
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containerView.addSubview(emptyStatusLabel)
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NSLayoutConstraint.activate([
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emptyStatusLabel.leadingAnchor.constraint(equalTo: containerView.readableContentGuide.leadingAnchor),
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containerView.readableContentGuide.trailingAnchor.constraint(equalTo: emptyStatusLabel.trailingAnchor),
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emptyStatusLabel.centerYAnchor.constraint(equalTo: containerView.centerYAnchor),
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])
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emptyStatusLabel.isHidden = true
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contentView.bringSubviewToFront(stackView)
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activityIndicatorView.isHidden = false
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startAnimating()
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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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configureMargin()
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}
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}
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extension PickServerLoaderTableViewCell {
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private func configureMargin() {
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switch traitCollection.horizontalSizeClass {
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case .regular:
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let margin = MastodonPickServerViewController.viewEdgeMargin
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contentView.layoutMargins = UIEdgeInsets(top: 0, left: margin, bottom: 0, right: margin)
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default:
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contentView.layoutMargins = .zero
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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 PickServerLoaderTableViewCell_Previews: PreviewProvider {
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static var previews: some View {
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UIViewPreview(width: 375) {
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PickServerLoaderTableViewCell()
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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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