309 lines
9.9 KiB
Swift
309 lines
9.9 KiB
Swift
//
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// EndpointViewController.swift
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// Passepartout-iOS
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//
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// Created by Davide De Rosa on 6/25/18.
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// Copyright (c) 2019 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of Passepartout.
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//
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// Passepartout is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Passepartout is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import UIKit
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import TunnelKit
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import Passepartout_Core
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protocol EndpointViewControllerDelegate: class {
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func endpointController(_: EndpointViewController, didUpdateWithNewAddress newAddress: String?, newProtocol: EndpointProtocol?)
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}
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class EndpointViewController: UIViewController, TableModelHost {
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@IBOutlet private weak var tableView: UITableView!
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private lazy var itemRefresh = UIBarButtonItem(barButtonSystemItem: .refresh, target: self, action: #selector(refresh))
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private var endpointAddresses: [String] = []
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private var endpointProtocols: [EndpointProtocol] = []
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private var initialAddress: String?
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private var initialProtocol: EndpointProtocol?
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private var currentAddress: String?
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private var currentProtocol: EndpointProtocol?
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private var currentAddressIndexPath: IndexPath?
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private var currentProtocolIndexPath: IndexPath?
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var dataSource: EndpointDataSource!
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weak var delegate: EndpointViewControllerDelegate?
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weak var modificationDelegate: ConfigurationModificationDelegate?
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// MARK: TableModelHost
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lazy var model: TableModel<SectionType, RowType> = {
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let model: TableModel<SectionType, RowType> = TableModel()
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model.add(.locationAddresses)
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model.add(.locationProtocols)
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model.setHeader(L10n.Endpoint.Sections.LocationAddresses.header, for: .locationAddresses)
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model.setHeader(L10n.Endpoint.Sections.LocationProtocols.header, for: .locationProtocols)
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if dataSource.canCustomizeEndpoint {
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var addressRows: [RowType] = Array(repeating: .availableAddress, count: dataSource.addresses.count)
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addressRows.insert(.anyAddress, at: 0)
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model.set(addressRows, in: .locationAddresses)
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var protocolRows: [RowType] = Array(repeating: .availableProtocol, count: dataSource.protocols.count)
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protocolRows.insert(.anyProtocol, at: 0)
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model.set(protocolRows, in: .locationProtocols)
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} else {
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model.set(.availableAddress, count: dataSource.addresses.count, in: .locationAddresses)
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model.set(.availableProtocol, count: dataSource.protocols.count, in: .locationProtocols)
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}
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return model
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}()
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func reloadModel() {
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}
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// MARK: UIViewController
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override func awakeFromNib() {
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super.awakeFromNib()
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applyDetailTitle(Theme.current)
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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title = L10n.Service.Cells.Endpoint.caption
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guard let _ = dataSource else {
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fatalError("Data source not set")
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}
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endpointAddresses = dataSource.addresses
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endpointProtocols = dataSource.protocols
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guard dataSource.canCustomizeEndpoint else {
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tableView.allowsSelection = false
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return
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}
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itemRefresh.isEnabled = false
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navigationItem.rightBarButtonItem = itemRefresh
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initialAddress = dataSource.customAddress
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initialProtocol = dataSource.customProtocol
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currentAddress = initialAddress
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currentProtocol = initialProtocol
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tableView.reloadData()
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if let ip = selectedIndexPath {
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tableView.scrollToRow(at: ip, at: .middle, animated: false)
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}
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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guard let selected = tableView.indexPathForSelectedRow else {
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return
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}
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tableView.deselectRow(at: selected, animated: true)
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}
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// MARK: Actions
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@IBAction private func refresh() {
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guard dataSource.canCustomizeEndpoint else {
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return
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}
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initialAddress = dataSource.customAddress
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initialProtocol = dataSource.customProtocol
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itemRefresh.isEnabled = false
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modificationDelegate?.configurationShouldReinstall()
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}
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// MARK: Helpers
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private func setNeedsRefresh() {
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itemRefresh.isEnabled = (currentAddress != initialAddress) || (currentProtocol != initialProtocol)
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}
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private func commitChanges() {
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guard dataSource.canCustomizeEndpoint else {
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return
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}
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delegate?.endpointController(self, didUpdateWithNewAddress: currentAddress, newProtocol: currentProtocol)
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}
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}
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// MARK: -
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extension EndpointViewController: UITableViewDataSource, UITableViewDelegate {
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enum SectionType {
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case locationAddresses
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case locationProtocols
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}
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enum RowType: Int {
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case anyAddress
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case availableAddress
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case anyProtocol
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case availableProtocol
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}
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private var selectedIndexPath: IndexPath? {
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guard let i = endpointAddresses.index(where: { $0 == currentAddress }) else {
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return nil
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}
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return IndexPath(row: i, section: 0)
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}
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func numberOfSections(in tableView: UITableView) -> Int {
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return model.count
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}
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func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
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return model.header(for: section)
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}
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func tableView(_ tableView: UITableView, titleForFooterInSection section: Int) -> String? {
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return model.footer(for: section)
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}
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func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return model.count(for: section)
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}
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func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let row = model.row(at: indexPath)
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switch row {
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case .anyAddress:
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.leftText = L10n.Endpoint.Cells.AnyAddress.caption
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cell.accessoryType = .none
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cell.isTappable = true
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if let _ = currentAddress {
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cell.applyChecked(false, Theme.current)
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} else {
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cell.applyChecked(true, Theme.current)
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currentAddressIndexPath = indexPath
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}
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return cell
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case .availableAddress:
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let address = endpointAddresses[mappedIndex(indexPath.row)]
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.leftText = address
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cell.accessoryType = .none
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cell.isTappable = true
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if address == currentAddress {
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cell.applyChecked(true, Theme.current)
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currentAddressIndexPath = indexPath
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} else {
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cell.applyChecked(false, Theme.current)
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}
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return cell
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case .anyProtocol:
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.leftText = L10n.Endpoint.Cells.AnyProtocol.caption
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cell.accessoryType = .none
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cell.isTappable = true
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if let _ = currentProtocol {
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cell.applyChecked(false, Theme.current)
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} else {
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cell.applyChecked(true, Theme.current)
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currentProtocolIndexPath = indexPath
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}
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return cell
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case .availableProtocol:
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let proto = endpointProtocols[mappedIndex(indexPath.row)]
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.leftText = proto.description
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cell.accessoryType = .none
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cell.isTappable = true
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if proto == currentProtocol {
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cell.applyChecked(true, Theme.current)
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currentProtocolIndexPath = indexPath
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} else {
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cell.applyChecked(false, Theme.current)
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}
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return cell
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}
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}
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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let row = model.row(at: indexPath)
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var updatedIndexPaths: [IndexPath] = [indexPath]
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switch row {
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case .anyAddress:
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currentAddress = nil
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if let old = currentAddressIndexPath {
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updatedIndexPaths.append(old)
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}
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case .availableAddress:
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currentAddress = endpointAddresses[mappedIndex(indexPath.row)]
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if let old = currentAddressIndexPath {
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updatedIndexPaths.append(old)
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}
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case .anyProtocol:
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currentProtocol = nil
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if let old = currentProtocolIndexPath {
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updatedIndexPaths.append(old)
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}
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case .availableProtocol:
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currentProtocol = endpointProtocols[mappedIndex(indexPath.row)]
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if let old = currentProtocolIndexPath {
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updatedIndexPaths.append(old)
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}
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}
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setNeedsRefresh()
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commitChanges()
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tableView.reloadRows(at: updatedIndexPaths, with: .none)
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}
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// MARK: Helpers
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private func mappedIndex(_ i: Int) -> Int {
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if dataSource.canCustomizeEndpoint {
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return i - 1
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}
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return i
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}
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}
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