添加提交任务流程并抽取资料编辑页
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323
suixinkan/UI/Task/CloudStoragePickForTaskViewController.swift
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323
suixinkan/UI/Task/CloudStoragePickForTaskViewController.swift
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//
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// CloudStoragePickForTaskViewController.swift
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// suixinkan
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//
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import Kingfisher
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import SnapKit
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import UIKit
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/// 任务云盘多选页，对齐 Android `CloudStorageListForTaskScreen`。
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final class CloudStoragePickForTaskViewController: BaseViewController {
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var onConfirmed: (([CloudFile]) -> Void)?
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private let viewModel: CloudStoragePickForTaskViewModel
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private let taskAPI = NetworkServices.shared.taskAPI
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private let searchField = UITextField()
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private let pathScrollView = UIScrollView()
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private let pathStack = UIStackView()
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private var collectionView: UICollectionView!
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private var dataSource: UICollectionViewDiffableDataSource<Int, Int>!
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private let confirmButton = AppButton(title: "确定")
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private let bottomBar = UIView()
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init(importedFileIDs: Set<Int> = []) {
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viewModel = CloudStoragePickForTaskViewModel(importedFileIDs: importedFileIDs)
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super.init(nibName: nil, bundle: nil)
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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 setupNavigationBar() {
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title = "云盘导入"
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}
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override func setupUI() {
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searchField.placeholder = "搜索文件"
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searchField.borderStyle = .roundedRect
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searchField.font = .app(.body)
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searchField.returnKeyType = .search
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searchField.delegate = self
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pathStack.axis = .horizontal
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pathStack.spacing = AppSpacing.xs
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pathScrollView.showsHorizontalScrollIndicator = false
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pathScrollView.addSubview(pathStack)
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pathStack.snp.makeConstraints { make in
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make.edges.equalToSuperview()
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make.height.equalToSuperview()
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}
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collectionView = UICollectionView(frame: .zero, collectionViewLayout: makeLayout())
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collectionView.backgroundColor = AppColor.pageBackground
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collectionView.register(CloudPickCell.self, forCellWithReuseIdentifier: CloudPickCell.reuseIdentifier)
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collectionView.delegate = self
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dataSource = UICollectionViewDiffableDataSource<Int, Int>(collectionView: collectionView) {
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[weak self] collectionView, indexPath, fileID in
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let cell = collectionView.dequeueReusableCell(
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withReuseIdentifier: CloudPickCell.reuseIdentifier,
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for: indexPath
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) as! CloudPickCell
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if let file = self?.viewModel.files.first(where: { $0.id == fileID }) {
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cell.apply(
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file: file,
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isSelected: self?.viewModel.isSelected(fileID) == true,
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isImported: self?.viewModel.isImported(fileID) == true
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)
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}
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return cell
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}
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bottomBar.backgroundColor = .white
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view.addSubview(searchField)
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view.addSubview(pathScrollView)
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view.addSubview(collectionView)
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view.addSubview(bottomBar)
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bottomBar.addSubview(confirmButton)
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}
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override func setupConstraints() {
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searchField.snp.makeConstraints { make in
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make.top.equalTo(view.safeAreaLayoutGuide).offset(AppSpacing.sm)
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make.leading.trailing.equalToSuperview().inset(AppSpacing.md)
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make.height.equalTo(40)
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}
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pathScrollView.snp.makeConstraints { make in
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make.top.equalTo(searchField.snp.bottom).offset(AppSpacing.sm)
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make.leading.trailing.equalToSuperview().inset(AppSpacing.md)
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make.height.equalTo(28)
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}
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bottomBar.snp.makeConstraints { make in
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make.leading.trailing.bottom.equalToSuperview()
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}
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confirmButton.snp.makeConstraints { make in
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make.edges.equalToSuperview().inset(AppSpacing.md)
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}
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collectionView.snp.makeConstraints { make in
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make.top.equalTo(pathScrollView.snp.bottom).offset(AppSpacing.sm)
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make.leading.trailing.equalToSuperview()
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make.bottom.equalTo(bottomBar.snp.top)
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}
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}
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override func bindActions() {
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viewModel.onStateChange = { [weak self] in
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Task { @MainActor in self?.applyViewModel() }
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}
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viewModel.onShowMessage = { [weak self] message in
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Task { @MainActor in self?.showToast(message) }
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}
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confirmButton.addTarget(self, action: #selector(confirmTapped), for: .touchUpInside)
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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Task { await viewModel.refresh(api: taskAPI) }
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}
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@MainActor
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private func applyViewModel() {
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rebuildPathButtons()
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var snapshot = NSDiffableDataSourceSnapshot<Int, Int>()
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snapshot.appendSections([0])
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snapshot.appendItems(viewModel.files.map(\.id))
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dataSource.apply(snapshot, animatingDifferences: false)
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if viewModel.isLoading && viewModel.files.isEmpty {
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showLoading()
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} else {
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hideLoading()
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}
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}
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private func rebuildPathButtons() {
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pathStack.arrangedSubviews.forEach { $0.removeFromSuperview() }
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for (index, item) in viewModel.pathStack.enumerated() {
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let button = UIButton(type: .system)
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button.setTitle(item.name, for: .normal)
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button.titleLabel?.font = .app(.caption)
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button.tag = index
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button.addTarget(self, action: #selector(pathTapped(_:)), for: .touchUpInside)
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pathStack.addArrangedSubview(button)
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if index < viewModel.pathStack.count - 1 {
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let arrow = UILabel()
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arrow.text = ">"
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arrow.font = .app(.caption)
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arrow.textColor = AppColor.textTertiary
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pathStack.addArrangedSubview(arrow)
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}
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}
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}
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@objc private func pathTapped(_ sender: UIButton) {
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Task { await viewModel.navigateToPathIndex(sender.tag, api: taskAPI) }
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}
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@objc private func confirmTapped() {
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onConfirmed?(viewModel.selectedFileList)
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navigationController?.popViewController(animated: true)
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}
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private func makeLayout() -> UICollectionViewCompositionalLayout {
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UICollectionViewCompositionalLayout { _, environment in
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let columns = 3
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let spacing: CGFloat = 8
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let inset = AppSpacing.md * 2
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let availableWidth = environment.container.effectiveContentSize.width - inset
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let totalSpacing = spacing * CGFloat(columns - 1)
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let itemWidth = max(0, (availableWidth - totalSpacing) / CGFloat(columns))
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let itemSize = NSCollectionLayoutSize(
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widthDimension: .absolute(itemWidth),
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heightDimension: .absolute(itemWidth)
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)
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let item = NSCollectionLayoutItem(layoutSize: itemSize)
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let groupSize = NSCollectionLayoutSize(
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widthDimension: .fractionalWidth(1),
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heightDimension: .absolute(itemWidth)
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)
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let group = NSCollectionLayoutGroup.horizontal(
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layoutSize: groupSize,
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repeatingSubitem: item,
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count: columns
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)
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group.interItemSpacing = .fixed(spacing)
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let section = NSCollectionLayoutSection(group: group)
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section.interGroupSpacing = spacing
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section.contentInsets = NSDirectionalEdgeInsets(
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top: 0,
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leading: AppSpacing.md,
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bottom: AppSpacing.md,
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trailing: AppSpacing.md
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)
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return section
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}
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}
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}
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extension CloudStoragePickForTaskViewController: UICollectionViewDelegate {
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func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
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guard let fileID = dataSource.itemIdentifier(for: indexPath),
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let file = viewModel.files.first(where: { $0.id == fileID }) else {
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return
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}
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Task { await viewModel.handleItemTap(file, api: taskAPI) }
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}
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func scrollViewDidScroll(_ scrollView: UIScrollView) {
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let offsetY = scrollView.contentOffset.y
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let contentHeight = scrollView.contentSize.height
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let frameHeight = scrollView.frame.size.height
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if offsetY > contentHeight - frameHeight - 120 {
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Task { await viewModel.loadMore(api: taskAPI) }
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}
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}
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}
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extension CloudStoragePickForTaskViewController: UITextFieldDelegate {
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func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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viewModel.updateSearchText(textField.text ?? "")
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textField.resignFirstResponder()
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Task { await viewModel.refresh(api: taskAPI) }
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return true
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}
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}
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/// 云盘选择 cell。
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private final class CloudPickCell: UICollectionViewCell {
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static let reuseIdentifier = "CloudPickCell"
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private let imageView = UIImageView()
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private let nameLabel = UILabel()
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private let badgeView = UIView()
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private let folderIconView = UIImageView()
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override init(frame: CGRect) {
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super.init(frame: frame)
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contentView.backgroundColor = .white
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contentView.layer.cornerRadius = AppRadius.sm
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contentView.clipsToBounds = true
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imageView.contentMode = .scaleAspectFill
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imageView.clipsToBounds = true
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folderIconView.image = UIImage(systemName: "folder.fill")
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folderIconView.tintColor = AppColor.primary
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folderIconView.contentMode = .scaleAspectFit
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nameLabel.font = .app(.caption)
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nameLabel.textColor = AppColor.textPrimary
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nameLabel.numberOfLines = 2
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nameLabel.textAlignment = .center
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badgeView.backgroundColor = AppColor.primary
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badgeView.layer.cornerRadius = 10
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badgeView.isHidden = true
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contentView.addSubview(imageView)
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contentView.addSubview(folderIconView)
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contentView.addSubview(nameLabel)
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contentView.addSubview(badgeView)
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imageView.snp.makeConstraints { make in
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make.top.leading.trailing.equalToSuperview()
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make.height.equalTo(contentView.snp.width)
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}
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folderIconView.snp.makeConstraints { make in
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make.center.equalTo(imageView)
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make.width.height.equalTo(36)
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}
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nameLabel.snp.makeConstraints { make in
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make.top.equalTo(imageView.snp.bottom).offset(AppSpacing.xxs)
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make.leading.trailing.bottom.equalToSuperview().inset(AppSpacing.xxs)
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}
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badgeView.snp.makeConstraints { make in
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make.top.trailing.equalToSuperview().inset(AppSpacing.xxs)
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make.width.height.equalTo(20)
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}
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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 prepareForReuse() {
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super.prepareForReuse()
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imageView.kf.cancelDownloadTask()
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imageView.image = nil
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folderIconView.isHidden = true
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badgeView.isHidden = true
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}
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func apply(file: CloudFile, isSelected: Bool, isImported: Bool) {
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nameLabel.text = file.name
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contentView.layer.borderWidth = isSelected ? 2 : 0
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contentView.layer.borderColor = AppColor.primary.cgColor
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badgeView.isHidden = !isSelected
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if file.isFolder {
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imageView.image = nil
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folderIconView.isHidden = false
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return
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}
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folderIconView.isHidden = true
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let preview = file.coverUrl.isEmpty ? file.fileUrl : file.coverUrl
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if let url = URL(string: preview), !preview.isEmpty {
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imageView.kf.setImage(with: url)
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} else {
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imageView.image = UIImage(systemName: file.isVideo ? "video" : "photo")
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imageView.tintColor = AppColor.textTertiary
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}
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if isImported {
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contentView.alpha = 0.5
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} else {
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contentView.alpha = 1
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}
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}
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}
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