passepartout-apple/Passepartout-iOS/Scenes/Organizer/ImportedHostsViewController...

144 lines
4.8 KiB
Swift

//
// ImportedHostsViewController.swift
// Passepartout-iOS
//
// Created by Davide De Rosa on 10/27/18.
// Copyright (c) 2018 Davide De Rosa. All rights reserved.
//
// https://github.com/passepartoutvpn
//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
import TunnelKit
import SwiftyBeaver
private let log = SwiftyBeaver.self
class ImportedHostsViewController: UITableViewController {
private lazy var pendingConfigurationURLs = TransientStore.shared.service.pendingConfigurationURLs().sortedCaseInsensitive()
private var parsedFile: ParsedFile?
override func viewDidLoad() {
super.viewDidLoad()
title = L10n.ImportedHosts.title
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
parsedFile = nil
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
guard !pendingConfigurationURLs.isEmpty else {
let alert = Macros.alert(
L10n.ImportedHosts.title,
L10n.Organizer.Alerts.AddHost.message
)
alert.addCancelAction(L10n.Global.ok) {
self.close()
}
present(alert, animated: true, completion: nil)
return
}
if let selectedIP = tableView.indexPathForSelectedRow {
tableView.deselectRow(at: selectedIP, animated: true)
}
}
// MARK: Actions
override func shouldPerformSegue(withIdentifier identifier: String, sender: Any?) -> Bool {
// segue parses configuration file if not yet
if parsedFile == nil {
guard let cell = sender as? UITableViewCell, let indexPath = tableView.indexPath(for: cell) else {
return false
}
let url = pendingConfigurationURLs[indexPath.row]
guard let parsedFile = ParsedFile.from(url, withErrorAlertIn: self) else {
deselectSelectedRow()
return false
}
self.parsedFile = parsedFile
// postpone segue until alert dismissal
if let warning = parsedFile.warning {
ParsedFile.alertImportWarning(url: url, in: self, withWarning: warning) {
self.deselectSelectedRow()
if $0 {
self.perform(segue: StoryboardSegue.Organizer.importHostSegueIdentifier)
} else {
self.parsedFile = nil
}
}
return false
}
}
return true
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
guard let wizard = segue.destination as? WizardHostViewController else {
return
}
wizard.parsedFile = parsedFile
// retain back button
wizard.navigationItem.leftBarButtonItem = nil
}
@IBAction private func close() {
dismiss(animated: true, completion: nil)
}
private func deselectSelectedRow() {
if let selectedIP = tableView.indexPathForSelectedRow {
tableView.deselectRow(at: selectedIP, animated: true)
}
}
}
extension ImportedHostsViewController {
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return pendingConfigurationURLs.count
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let url = pendingConfigurationURLs[indexPath.row]
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.leftText = url.normalizedFilename
return cell
}
override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
return true
}
override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
let url = pendingConfigurationURLs[indexPath.row]
try? FileManager.default.removeItem(at: url)
pendingConfigurationURLs.remove(at: indexPath.row)
tableView.deleteRows(at: [indexPath], with: .top)
}
}