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//
// TunnelDetailTableViewController.swift
// WireGuard
//
// Created by Roopesh Chander on 17/10/18.
// Copyright © 2018 Roopesh Chander. All rights reserved.
//
import UIKit
// MARK: TunnelDetailTableViewController
class TunnelDetailTableViewController: UITableViewController {
let interfaceFieldsBySection: [[TunnelViewModel.InterfaceField]] = [
[.name],
[.publicKey, .copyPublicKey],
[.addresses, .listenPort, .mtu, .dns]
]
let peerFieldsBySection: [[TunnelViewModel.PeerField]] = [
[.publicKey, .preSharedKey, .endpoint,
.allowedIPs, .persistentKeepAlive]
]
let tunnelsManager: TunnelsManager
let tunnelViewModel: TunnelViewModel
init(tunnelsManager tm: TunnelsManager, tunnelConfiguration: TunnelConfiguration) {
tunnelsManager = tm
tunnelViewModel = TunnelViewModel(tunnelConfiguration: tunnelConfiguration)
super.init(style: .grouped)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
self.title = tunnelViewModel.interfaceData[.name]
self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .edit, target: self, action: #selector(editTapped))
self.tableView.rowHeight = 44
self.tableView.register(TunnelDetailTableViewKeyValueCell.self, forCellReuseIdentifier: TunnelDetailTableViewKeyValueCell.id)
self.tableView.register(TunnelDetailTableViewButtonCell.self, forCellReuseIdentifier: TunnelDetailTableViewButtonCell.id)
}
@objc func editTapped() {
print("Edit")
}
}
// MARK: UITableViewDataSource
extension TunnelDetailTableViewController {
override func numberOfSections(in tableView: UITableView) -> Int {
let numberOfInterfaceSections = interfaceFieldsBySection.count
let numberOfPeerSections = peerFieldsBySection.count
let numberOfPeers = tunnelViewModel.peersData.count
return numberOfInterfaceSections + (numberOfPeers * numberOfPeerSections) + 1
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
let numberOfInterfaceSections = interfaceFieldsBySection.count
let numberOfPeerSections = peerFieldsBySection.count
let numberOfPeers = tunnelViewModel.peersData.count
if (section < numberOfInterfaceSections) {
// Interface
return interfaceFieldsBySection[section].count
} else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
// Peer
let fieldIndex = (section - numberOfInterfaceSections) % numberOfPeerSections
return peerFieldsBySection[fieldIndex].count
} else {
// Add peer
return 1
}
}
override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
let numberOfInterfaceSections = interfaceFieldsBySection.count
let numberOfPeerSections = peerFieldsBySection.count
let numberOfPeers = tunnelViewModel.peersData.count
if (section < numberOfInterfaceSections) {
// Interface
return (section == 0) ? "Interface" : nil
} else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
// Peer
let fieldIndex = (section - numberOfInterfaceSections) % numberOfPeerSections
return (fieldIndex == 0) ? "Peer" : nil
} else {
// Add peer
return nil
}
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let numberOfInterfaceSections = interfaceFieldsBySection.count
let numberOfPeerSections = peerFieldsBySection.count
let numberOfPeers = tunnelViewModel.peersData.count
let section = indexPath.section
let row = indexPath.row
if (section < numberOfInterfaceSections) {
// Interface
let interfaceData = tunnelViewModel.interfaceData
let field = interfaceFieldsBySection[section][row]
if (field == .copyPublicKey) {
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelDetailTableViewButtonCell.id, for: indexPath) as! TunnelDetailTableViewButtonCell
cell.buttonText = field.rawValue
cell.onTapped = {
print("Copying public key is unimplemented") // TODO
}
return cell
} else {
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelDetailTableViewKeyValueCell.id, for: indexPath) as! TunnelDetailTableViewKeyValueCell
// Set key and value
cell.key = field.rawValue
cell.value = interfaceData[field]
if (field != .publicKey) {
cell.detailTextLabel?.allowsDefaultTighteningForTruncation = true
cell.detailTextLabel?.adjustsFontSizeToFitWidth = true
cell.detailTextLabel?.minimumScaleFactor = 0.85
}
return cell
}
} else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
// Peer
let peerIndex = Int((section - numberOfInterfaceSections) / numberOfPeerSections)
let peerSectionIndex = (section - numberOfInterfaceSections) % numberOfPeerSections
let peerData = tunnelViewModel.peersData[peerIndex]
let field = peerFieldsBySection[peerSectionIndex][row]
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelDetailTableViewKeyValueCell.id, for: indexPath) as! TunnelDetailTableViewKeyValueCell
// Set key and value
cell.key = field.rawValue
cell.value = peerData[field]
if (field != .publicKey && field != .preSharedKey) {
cell.detailTextLabel?.allowsDefaultTighteningForTruncation = true
cell.detailTextLabel?.adjustsFontSizeToFitWidth = true
cell.detailTextLabel?.minimumScaleFactor = 0.85
}
return cell
} else {
assert(section == (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))
// Delete configuration
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelDetailTableViewButtonCell.id, for: indexPath) as! TunnelDetailTableViewButtonCell
cell.buttonText = "Delete tunnel"
cell.onTapped = {
print("Delete peer unimplemented")
}
return cell
}
}
}
class TunnelDetailTableViewKeyValueCell: UITableViewCell {
static let id: String = "TunnelDetailTableViewKeyValueCell"
var key: String {
get { return textLabel?.text ?? "" }
set(value) { textLabel?.text = value }
}
var value: String {
get { return detailTextLabel?.text ?? "" }
set(value) { detailTextLabel?.text = value }
}
override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
super.init(style: .value1, reuseIdentifier: TunnelDetailTableViewKeyValueCell.id)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func prepareForReuse() {
super.prepareForReuse()
key = ""
value = ""
}
}
class TunnelDetailTableViewButtonCell: UITableViewCell {
static let id: String = "TunnelsEditTableViewButtonCell"
var buttonText: String {
get { return button.title(for: .normal) ?? "" }
set(value) { button.setTitle(value, for: .normal) }
}
var onTapped: (() -> Void)? = nil
let button: UIButton
override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
button = UIButton(type: .system)
super.init(style: style, reuseIdentifier: reuseIdentifier)
contentView.addSubview(button)
button.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
button.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
button.centerXAnchor.constraint(equalTo: contentView.centerXAnchor)
])
button.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
}
@objc func buttonTapped() {
onTapped?()
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func prepareForReuse() {
buttonText = ""
onTapped = nil
}
}
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