lujiuyinandCursor
efb3925257
对齐 Android 无权限强制弹窗、角色下拉与申请页交互，补充 UIButton configuration 适配，并增强景区排队 TTS 与相关单元测试。 Co-authored-by: Cursor <cursoragent@cursor.com>
361 lines
14 KiB
Swift
361 lines
14 KiB
Swift
//
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// PermissionDropdownViewController.swift
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// suixinkan
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//
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import SnapKit
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import UIKit
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/// 权限申请下拉菜单的展示模式。
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enum PermissionDropdownMode {
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case roles([RoleOption])
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case scenics([ScenicOption], isLoading: Bool)
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}
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/// 锚定在表单选择框下方的 Android 风格权限下拉菜单。
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final class PermissionDropdownViewController: UIViewController, UITableViewDelegate, UITextFieldDelegate {
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private enum Section { case main }
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fileprivate enum Item: Hashable {
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case role(RoleOption)
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case scenic(ScenicOption)
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case loading
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case empty(String)
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}
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var onDismiss: (() -> Void)?
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var onRoleSelect: ((RoleOption) -> Void)?
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var onScenicToggle: ((ScenicOption) -> Void)?
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var onSearchChange: ((String) -> Void)?
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private let anchorFrame: CGRect
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private var mode: PermissionDropdownMode
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private var allScenics: [ScenicOption] = []
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private var query = ""
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private let dismissControl = UIControl()
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private let cardView = UIView()
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private let searchContainer = UIView()
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private let searchField = UITextField()
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private let tableView = UITableView(frame: .zero, style: .plain)
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private var dataSource: UITableViewDiffableDataSource<Section, Item>!
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private var cardHeightConstraint: Constraint?
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/// 创建与指定选择框等宽的下拉菜单。
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init(anchor: UIView, mode: PermissionDropdownMode) {
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anchorFrame = anchor.convert(anchor.bounds, to: nil)
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self.mode = mode
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if case .scenics(let scenics, _) = mode {
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allScenics = scenics
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}
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super.init(nibName: nil, bundle: nil)
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modalPresentationStyle = .overFullScreen
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modalTransitionStyle = .crossDissolve
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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 viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = .clear
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dismissControl.backgroundColor = .clear
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dismissControl.addTarget(self, action: #selector(dismissTapped), for: .touchUpInside)
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cardView.backgroundColor = .white
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cardView.layer.cornerRadius = 4
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cardView.layer.shadowColor = UIColor.black.cgColor
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cardView.layer.shadowOpacity = 0.14
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cardView.layer.shadowRadius = 8
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cardView.layer.shadowOffset = CGSize(width: 0, height: 4)
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cardView.clipsToBounds = false
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searchContainer.backgroundColor = .white
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searchContainer.layer.cornerRadius = 8
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searchContainer.layer.borderWidth = 1
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searchContainer.layer.borderColor = PermissionApplyUITokens.selectorBorder.cgColor
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let searchIcon = UIImageView(image: UIImage(systemName: "magnifyingglass"))
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searchIcon.tintColor = AppColor.textTertiary
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searchIcon.contentMode = .scaleAspectFit
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searchField.placeholder = "搜索景区名称"
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searchField.font = .systemFont(ofSize: 14)
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searchField.textColor = PermissionApplyUITokens.text
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searchField.returnKeyType = .search
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searchField.clearButtonMode = .whileEditing
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searchField.delegate = self
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searchField.addTarget(self, action: #selector(searchChanged), for: .editingChanged)
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searchField.accessibilityLabel = "搜索景区名称"
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tableView.backgroundColor = .white
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tableView.separatorStyle = .none
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tableView.keyboardDismissMode = .onDrag
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tableView.rowHeight = UITableView.automaticDimension
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tableView.estimatedRowHeight = 52
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tableView.delegate = self
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tableView.register(PermissionDropdownCell.self, forCellReuseIdentifier: PermissionDropdownCell.reuseIdentifier)
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view.addSubview(dismissControl)
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view.addSubview(cardView)
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cardView.addSubview(searchContainer)
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searchContainer.addSubview(searchIcon)
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searchContainer.addSubview(searchField)
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cardView.addSubview(tableView)
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dismissControl.snp.makeConstraints { make in make.edges.equalToSuperview() }
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cardView.snp.makeConstraints { make in
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make.leading.equalToSuperview().offset(anchorFrame.minX)
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make.top.equalToSuperview().offset(anchorFrame.maxY + 4)
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make.width.equalTo(anchorFrame.width)
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cardHeightConstraint = make.height.equalTo(80).constraint
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}
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searchContainer.snp.makeConstraints { make in
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make.top.equalToSuperview().offset(8)
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make.leading.trailing.equalToSuperview().inset(12)
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make.height.equalTo(38)
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}
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searchIcon.snp.makeConstraints { make in
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make.leading.equalToSuperview().offset(12)
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make.centerY.equalToSuperview()
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make.size.equalTo(18)
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}
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searchField.snp.makeConstraints { make in
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make.leading.equalTo(searchIcon.snp.trailing).offset(10)
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make.trailing.equalToSuperview().offset(-8)
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make.top.bottom.equalToSuperview()
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}
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tableView.snp.makeConstraints { make in
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make.leading.trailing.bottom.equalToSuperview()
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make.top.equalTo(searchContainer.snp.bottom).offset(4)
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}
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configureDataSource()
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applyMode(animated: false)
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}
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/// 刷新景区数据和加载状态，同时保留下拉菜单及搜索词。
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func updateScenics(_ scenics: [ScenicOption], isLoading: Bool) {
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allScenics = scenics
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mode = .scenics(scenics, isLoading: isLoading)
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guard isViewLoaded else { return }
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applyMode(animated: false)
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}
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private func configureDataSource() {
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dataSource = UITableViewDiffableDataSource<Section, Item>(tableView: tableView) {
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tableView, indexPath, item in
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guard let cell = tableView.dequeueReusableCell(
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withIdentifier: PermissionDropdownCell.reuseIdentifier,
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for: indexPath
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) as? PermissionDropdownCell else { return UITableViewCell() }
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cell.apply(item: item)
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return cell
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}
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}
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private func applyMode(animated: Bool) {
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var items: [Item]
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switch mode {
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case .roles(let roles):
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searchContainer.isHidden = true
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tableView.snp.remakeConstraints { make in make.edges.equalToSuperview() }
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items = roles.map(Item.role)
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if items.isEmpty { items = [.empty("暂无可用角色")] }
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case .scenics(_, let isLoading):
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searchContainer.isHidden = isLoading
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if isLoading {
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tableView.snp.remakeConstraints { make in make.edges.equalToSuperview() }
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items = [.loading]
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} else {
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tableView.snp.remakeConstraints { make in
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make.leading.trailing.bottom.equalToSuperview()
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make.top.equalTo(searchContainer.snp.bottom).offset(4)
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}
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let filtered = filteredScenics()
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items = filtered.map(Item.scenic)
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if items.isEmpty {
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items = [.empty(query.isEmpty ? "暂无可用景区" : "未找到相关景区")]
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}
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}
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}
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var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
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snapshot.appendSections([.main])
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snapshot.appendItems(items)
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let completion: () -> Void = { [weak self] in
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guard let self else { return }
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self.updateCardHeight(itemCount: items.count)
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}
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if animated {
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dataSource.apply(snapshot, animatingDifferences: true, completion: completion)
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} else {
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UIView.performWithoutAnimation {
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dataSource.apply(snapshot, animatingDifferences: false, completion: completion)
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tableView.layoutIfNeeded()
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}
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}
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}
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private func filteredScenics() -> [ScenicOption] {
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let value = query.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !value.isEmpty else { return allScenics }
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return allScenics.filter { $0.name.localizedCaseInsensitiveContains(value) }
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}
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private func updateCardHeight(itemCount: Int) {
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tableView.layoutIfNeeded()
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let hasSearch = !searchContainer.isHidden
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let searchHeight: CGFloat = hasSearch ? 58 : 0
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let estimatedListHeight = max(64, min(262, tableView.contentSize.height > 0 ? tableView.contentSize.height : CGFloat(itemCount) * 52))
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cardHeightConstraint?.update(offset: min(320, searchHeight + estimatedListHeight))
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view.layoutIfNeeded()
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}
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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tableView.deselectRow(at: indexPath, animated: false)
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guard let item = dataSource.itemIdentifier(for: indexPath) else { return }
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switch item {
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case .role(let role):
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onRoleSelect?(role)
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dismissMenu(notify: false)
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case .scenic(let scenic):
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guard !scenic.isDisabled else { return }
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onScenicToggle?(scenic)
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if let index = allScenics.firstIndex(where: { $0.id == scenic.id }) {
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allScenics[index].isSelected.toggle()
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}
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mode = .scenics(allScenics, isLoading: false)
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applyMode(animated: false)
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case .loading, .empty:
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break
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}
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}
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@objc private func searchChanged() {
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query = searchField.text ?? ""
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onSearchChange?(query)
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applyMode(animated: false)
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}
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@objc private func dismissTapped() {
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dismissMenu(notify: true)
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}
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private func dismissMenu(notify: Bool) {
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searchField.resignFirstResponder()
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dismiss(animated: true) { [weak self] in
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if notify { self?.onDismiss?() }
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}
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}
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}
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/// 权限下拉菜单中的角色、景区、加载或空状态单元格。
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private final class PermissionDropdownCell: UITableViewCell {
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static let reuseIdentifier = "PermissionDropdownCell"
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private let titleLabel = UILabel()
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private let detailLabel = UILabel()
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private let checkCircle = UIView()
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private let checkImage = UIImageView(image: UIImage(systemName: "checkmark"))
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private let activityIndicator = UIActivityIndicatorView(style: .medium)
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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backgroundColor = .white
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selectionStyle = .none
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titleLabel.font = .systemFont(ofSize: 14)
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titleLabel.textColor = PermissionApplyUITokens.text
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titleLabel.numberOfLines = 1
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detailLabel.font = .systemFont(ofSize: 12)
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detailLabel.textColor = PermissionApplyUITokens.placeholder
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detailLabel.numberOfLines = 0
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checkCircle.frame = CGRect(x: 0, y: 0, width: 20, height: 20)
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checkCircle.layer.cornerRadius = 10
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checkImage.tintColor = .white
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checkImage.contentMode = .scaleAspectFit
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activityIndicator.color = PermissionApplyUITokens.selectedBlue
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[titleLabel, detailLabel, activityIndicator].forEach(contentView.addSubview)
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accessoryView = checkCircle
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checkCircle.addSubview(checkImage)
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titleLabel.snp.makeConstraints { make in
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make.top.equalToSuperview().offset(12)
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make.leading.equalToSuperview().offset(16)
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make.trailing.equalToSuperview().offset(-12)
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}
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detailLabel.snp.makeConstraints { make in
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make.top.equalTo(titleLabel.snp.bottom).offset(4)
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make.leading.equalTo(titleLabel)
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make.trailing.equalToSuperview().offset(-12)
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make.bottom.equalToSuperview().offset(-10)
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}
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checkImage.snp.makeConstraints { make in make.center.equalToSuperview(); make.size.equalTo(14) }
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activityIndicator.snp.makeConstraints { make in make.center.equalToSuperview() }
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contentView.snp.makeConstraints { make in make.height.greaterThanOrEqualTo(48) }
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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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func apply(item: PermissionDropdownViewController.Item) {
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activityIndicator.stopAnimating()
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titleLabel.textAlignment = .left
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titleLabel.font = .systemFont(ofSize: 14)
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detailLabel.isHidden = true
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checkCircle.isHidden = true
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isUserInteractionEnabled = true
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switch item {
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case .role(let role):
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titleLabel.text = role.name
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titleLabel.font = .systemFont(ofSize: 14, weight: .medium)
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titleLabel.textColor = PermissionApplyUITokens.text
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detailLabel.text = role.description
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detailLabel.isHidden = role.description.isEmpty
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checkCircle.isHidden = false
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checkCircle.backgroundColor = role.isSelected
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? PermissionApplyUITokens.selectedBlue : UIColor(hex: 0xE5E7EB)
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checkImage.isHidden = !role.isSelected
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case .scenic(let scenic):
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titleLabel.text = scenic.name
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titleLabel.textColor = scenic.isDisabled ? AppColor.textTertiary : PermissionApplyUITokens.text
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checkCircle.isHidden = false
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checkCircle.backgroundColor = scenic.isDisabled && scenic.isSelected
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? AppColor.textTertiary
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: (scenic.isSelected ? PermissionApplyUITokens.selectedBlue : UIColor(hex: 0xE5E7EB))
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checkImage.isHidden = !scenic.isSelected
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isUserInteractionEnabled = !scenic.isDisabled
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case .loading:
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titleLabel.text = nil
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activityIndicator.startAnimating()
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isUserInteractionEnabled = false
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case .empty(let message):
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titleLabel.text = message
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titleLabel.textAlignment = .center
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titleLabel.textColor = AppColor.textTertiary
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isUserInteractionEnabled = false
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}
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if detailLabel.isHidden {
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titleLabel.snp.remakeConstraints { make in
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make.leading.equalToSuperview().offset(16)
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make.trailing.equalToSuperview().offset(-12)
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make.centerY.equalToSuperview()
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make.top.greaterThanOrEqualToSuperview().offset(12)
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make.bottom.lessThanOrEqualToSuperview().offset(-12)
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}
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} else {
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titleLabel.snp.remakeConstraints { make in
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make.top.equalToSuperview().offset(10)
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make.leading.equalToSuperview().offset(16)
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make.trailing.equalToSuperview().offset(-12)
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}
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}
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accessibilityLabel = [titleLabel.text, detailLabel.isHidden ? nil : detailLabel.text]
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.compactMap { $0 }.joined(separator: "，")
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}
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}
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