Files
appchk-app/main/Settings/TVCFilter.swift
2020-09-05 21:05:12 +02:00

96 lines
3.0 KiB
Swift

import UIKit
class TVCFilter: UITableViewController, EditActionsRemove {
var currentFilter: FilterOptions = .none // set by segue
private lazy var dataSource = DomainFilter.list(where: currentFilter)
override func viewDidLoad() {
super.viewDidLoad()
NotifyDNSFilterChanged.observe(call: #selector(didChangeDomainFilter), on: self)
}
@objc func didChangeDomainFilter(_ notification: Notification) {
guard let domain = notification.object as? String else {
preconditionFailure("Domain independent filter reset not implemented")
}
if DomainFilter[domain]?.contains(currentFilter) ?? false {
let i = dataSource.binTreeIndex(of: domain, compare: (<))!
if i >= dataSource.count || dataSource[i] != domain {
dataSource.insert(domain, at: i)
tableView.safeInsertRow(i)
}
} else if let i = dataSource.binTreeRemove(domain, compare: (<)) {
tableView.safeDeleteRows([i])
}
}
@IBAction private func addNewFilter() {
let alert = AskAlert(title: "Create new filter",
text: "Enter the domain name you wish to add.",
buttonText: "Add") {
guard let dom = $0.textFields?.first?.text?.lowercased() else {
return
}
guard dom.contains("."), !dom.isKnownSLD() else {
ErrorAlert("Entered domain is not valid. Filter can't match country TLD only.").presentIn(self)
return
}
DomainFilter.update(dom, add: self.currentFilter)
}
alert.addTextField {
$0.placeholder = "cdn.domain.tld"
$0.keyboardType = .URL
}
alert.presentIn(self)
}
// MARK: - Table View Data Source
override func tableView(_ _: UITableView, numberOfRowsInSection _: Int) -> Int { dataSource.count }
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "DomainFilterCell")!
cell.textLabel?.text = dataSource[indexPath.row]
return cell
}
// MARK: - Editing
override func tableView(_ tableView: UITableView, editActionsForRowAt indexPath: IndexPath) -> [UITableViewRowAction]? {
getRowActionsIOS9(indexPath, tableView)
}
@available(iOS 11.0, *)
override func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
getRowActionsIOS11(indexPath)
}
func editableRowCallback(_ index: IndexPath, _ action: RowAction, _ userInfo: Any?) -> Bool {
let domain = dataSource[index.row]
DomainFilter.update(domain, remove: currentFilter)
return true
}
// MARK: - Long Press Gesture
private var cellMenu = TableCellTapMenu()
private var copyDomain: String? = nil
override func tableView(_ tableView: UITableView, willSelectRowAt indexPath: IndexPath) -> IndexPath? {
if cellMenu.start(tableView, indexPath) {
copyDomain = cellMenu.getSelected(dataSource)
self.becomeFirstResponder()
}
return nil
}
override var canBecomeFirstResponder: Bool { true }
override func copy(_ sender: Any?) {
if let dom = copyDomain {
UIPasteboard.general.string = dom
}
cellMenu.reset()
copyDomain = nil
}
}