77 lines
2.8 KiB
Swift
77 lines
2.8 KiB
Swift
import UIKit
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final class RDEPUBReaderChapterListController: UITableViewController {
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var onSelectItem: ((RDEPUBReaderTableOfContentsItem) -> Void)?
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private let items: [RDEPUBReaderTableOfContentsItem]
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private let currentItem: RDEPUBReaderTableOfContentsItem?
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private let theme: RDEPUBReaderTheme
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init(
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items: [RDEPUBReaderTableOfContentsItem],
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currentItem: RDEPUBReaderTableOfContentsItem?,
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theme: RDEPUBReaderTheme
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) {
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self.items = items
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self.currentItem = currentItem
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self.theme = theme
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super.init(style: .plain)
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title = "目录"
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}
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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.accessibilityIdentifier = "epub.reader.toc.panel"
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tableView.accessibilityIdentifier = "epub.reader.toc.table"
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tableView.register(UITableViewCell.self, forCellReuseIdentifier: "Cell")
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tableView.tableFooterView = UIView(frame: .zero)
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tableView.backgroundColor = theme.toolBackgroundColor
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navigationController?.navigationBar.tintColor = theme.toolControlTextColor
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navigationController?.navigationBar.barTintColor = theme.toolBackgroundColor
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navigationController?.navigationBar.titleTextAttributes = [.foregroundColor: theme.toolControlTextColor]
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navigationController?.navigationBar.accessibilityIdentifier = "epub.reader.toc.navbar"
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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items.count
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}
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let item = items[indexPath.row]
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let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
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cell.backgroundColor = theme.toolBackgroundColor
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cell.textLabel?.numberOfLines = 2
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cell.textLabel?.text = item.title
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if isCurrentItem(item) {
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cell.textLabel?.textColor = .systemBlue
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} else if item.isReadable {
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cell.textLabel?.textColor = theme.contentTextColor
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} else {
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cell.textLabel?.textColor = .systemGray
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}
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cell.selectionStyle = item.isReadable ? .default : .none
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cell.isUserInteractionEnabled = item.isReadable
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cell.indentationLevel = item.depth
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cell.indentationWidth = 18
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return cell
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}
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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let item = items[indexPath.row]
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guard item.isReadable else { return }
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onSelectItem?(item)
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}
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private func isCurrentItem(_ item: RDEPUBReaderTableOfContentsItem) -> Bool {
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guard let currentItem else { return false }
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return currentItem.href == item.href
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}
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}
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