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