108 lines
3.6 KiB
Swift
108 lines
3.6 KiB
Swift
import UIKit
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class TVCFilter: UITableViewController, EditActionsRemove {
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var currentFilter: FilterOptions = .none // set by segue
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private lazy var dataSource = DomainFilter.list(where: currentFilter)
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override func viewDidLoad() {
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super.viewDidLoad()
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NotifyDNSFilterChanged.observe(call: #selector(didChangeDomainFilter), on: self)
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}
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@objc func didChangeDomainFilter(_ notification: Notification) {
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guard let domain = notification.object as? String else {
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preconditionFailure("Domain independent filter reset not implemented")
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}
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if DomainFilter[domain]?.contains(currentFilter) ?? false {
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let i = dataSource.binTreeIndex(of: domain, compare: (<))!
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if i >= dataSource.count || dataSource[i] != domain {
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dataSource.insert(domain, at: i)
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tableView.safeInsertRow(i)
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}
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} else if let i = dataSource.binTreeRemove(domain, compare: (<)) {
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tableView.safeDeleteRows([i])
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}
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}
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@IBAction private func addNewFilter() {
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let desc: String
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switch currentFilter {
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case .blocked: desc = "Enter the domain name you wish to block."
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case .ignored: desc = "Enter the domain name you wish to ignore."
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default: return
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}
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let alert = AskAlert(title: "Create new filter", text: desc, buttonText: "Add") {
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guard let dom = $0.textFields?.first?.text else {
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return
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}
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guard dom.contains("."), !dom.isKnownSLD() else {
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ErrorAlert("Entered domain is not valid. Filter can't match country TLD only.").presentIn(self)
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return
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}
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DomainFilter.update(dom, add: self.currentFilter)
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}
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alert.addTextField {
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$0.placeholder = "cdn.domain.tld"
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$0.keyboardType = .URL
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}
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alert.presentIn(self)
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}
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// MARK: - Table View Data Source
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override func tableView(_ _: UITableView, numberOfRowsInSection _: Int) -> Int { dataSource.count }
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let cell = tableView.dequeueReusableCell(withIdentifier: "DomainFilterCell")!
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cell.textLabel?.text = dataSource[indexPath.row]
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if cell.gestureRecognizers?.isEmpty ?? true {
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cell.addGestureRecognizer(UILongPressGestureRecognizer(target: self, action: #selector(didLongTap)))
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}
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return cell
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}
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// MARK: - Editing
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override func tableView(_ tableView: UITableView, editActionsForRowAt indexPath: IndexPath) -> [UITableViewRowAction]? {
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getRowActionsIOS9(indexPath, tableView)
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}
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@available(iOS 11.0, *)
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override func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
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getRowActionsIOS11(indexPath)
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}
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func editableRowCallback(_ index: IndexPath, _ action: RowAction, _ userInfo: Any?) -> Bool {
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let domain = dataSource[index.row]
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DomainFilter.update(domain, remove: currentFilter)
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return true
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}
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// MARK: - Long Press Gesture
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private var cellTitleCopy: String?
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@objc private func didLongTap(_ sender: UILongPressGestureRecognizer) {
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guard let cell = sender.view as? UITableViewCell else {
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return
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}
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if sender.state == .began {
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cellTitleCopy = cell.textLabel?.text
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self.becomeFirstResponder()
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let menu = UIMenuController.shared
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// menu.setTargetRect(CGRect(origin: sender.location(in: cell), size: CGSize.zero), in: cell)
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menu.setTargetRect(cell.bounds, in: cell)
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menu.setMenuVisible(true, animated: true)
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}
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}
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override var canBecomeFirstResponder: Bool { get { true } }
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override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
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action == #selector(UIResponderStandardEditActions.copy)
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}
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override func copy(_ sender: Any?) {
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UIPasteboard.general.string = cellTitleCopy
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cellTitleCopy = nil
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}
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}
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