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@@ -0,0 +1,165 @@
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+//
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+// PortSettingsController.swift
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+// deltachat-ios
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+//
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+// Created by Bastian van de Wetering on 15.05.19.
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+// Copyright © 2019 Jonas Reinsch. All rights reserved.
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+//
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+
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+import UIKit
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+
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+class PortSettingsController: UITableViewController {
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+
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+ var ports: [Int]
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+
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+ private var sectionTitle: String?
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+
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+ var resetButton: UIBarButtonItem!
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+
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+ var currentPort: Int {
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+ didSet {
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+ // activate resetButton
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+ resetButton.isEnabled = true
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+ }
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+ }
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+
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+ var selectedIndex: Int?
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+
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+ let backupValue: Int
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+
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+ var staticCells: [UITableViewCell] {
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+ return ports.map({
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+ let cell = UITableViewCell(style: .default, reuseIdentifier: nil)
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+ cell.textLabel?.text = "\($0)"
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+ cell.selectionStyle = .none
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+ return cell
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+ })
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+ }
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+
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+ lazy var customCell: TextFieldCell = {
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+ let cell = TextFieldCell(description: "", placeholder: "\(self.currentPort)")
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+ cell.selectionStyle = .none
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+ cell.textLabel?.text = nil
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+ cell.textField.keyboardType = .numberPad
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+ cell.onTextFieldChange = textFieldDidChange
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+ return cell
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+ }()
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+
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+ init(sectionTitle: String?, ports: [Int], currentPort: Int?) {
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+ self.ports = ports
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+ self.sectionTitle = sectionTitle
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+ self.currentPort = currentPort ?? 0
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+ for (index, port) in ports.enumerated() where currentPort == port {
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+ selectedIndex = index
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+ }
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+ backupValue = self.currentPort
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+ super.init(style: .grouped)
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+ self.title = sectionTitle
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+ }
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+
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+ required init?(coder aDecoder: NSCoder) {
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+ fatalError("init(coder:) has not been implemented")
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+ }
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+
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+ override func viewDidLoad() {
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+ super.viewDidLoad()
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+
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+ resetButton = UIBarButtonItem(title: "Reset", style: .plain, target: self, action: #selector(resetButtonPressed))
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+ navigationItem.rightBarButtonItem = resetButton
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+ resetButton.isEnabled = false
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+ }
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+
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+ // MARK: - Table view data source
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+
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+ override func numberOfSections(in tableView: UITableView) -> Int {
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+ // #warning Incomplete implementation, return the number of sections
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+ return 2
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+ }
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+
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+ override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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+ if section == 0 {
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+ return ports.count
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+ } else {
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+ return 1
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+ }
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+ }
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+
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+ override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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+ if indexPath.section == 0 {
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+ let row = indexPath.row
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+ selectItem(at: row)
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+ }
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+ }
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+
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+ override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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+
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+ let section = indexPath.section
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+ let row = indexPath.row
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+ if section == 0 {
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+ let cell = staticCells[row]
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+ if row == selectedIndex || cell.textLabel?.text == "\(currentPort)" {
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+ cell.accessoryType = .checkmark
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+ } else {
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+ cell.accessoryType = .none
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+ }
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+ return cell
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+ } else {
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+ // section == 1
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+ return customCell
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+ }
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+ }
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+
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+ override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
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+ if section == 0 {
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+ return sectionTitle
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+ } else {
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+ return "Custom Port"
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+ }
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+ }
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+
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+ private func textFieldDidChange(_ textField: UITextField) {
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+ selectItem(at: nil)
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+ if let text = textField.text, let port = Int(text) {
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+ self.currentPort = port
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+ }
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+ }
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+
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+ private func selectItem(at index: Int? ) {
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+ // unselect old cell
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+ // select new cell
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+ // update port
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+ if let oldIndex = selectedIndex {
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+ let cell = tableView.cellForRow(at: IndexPath.init(row: oldIndex, section: 0))
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+ cell?.accessoryType = .none
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+ }
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+ if let newIndex = index {
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+ // activate accesoryType on selected cell
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+ let cell = tableView.cellForRow(at: IndexPath.init(row: newIndex, section: 0))
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+ cell?.accessoryType = .checkmark
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+ currentPort = ports[newIndex]
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+ // update customCell
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+ customCell.textField.placeholder = "\(currentPort)"
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+ customCell.textField.resignFirstResponder()
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+ customCell.textField.text = nil // will display currentValue as placeholder
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+ }
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+ selectedIndex = index
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+ }
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+
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+ @objc private func resetButtonPressed() {
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+
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+ if let index = ports.index(of: backupValue) {
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+ selectItem(at: index)
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+ } else {
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+ selectItem(at: nil)
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+ }
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+ self.currentPort = backupValue
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+ customCell.textField.placeholder = "\(currentPort)"
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+ customCell.textField.resignFirstResponder()
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+ customCell.textField.text = nil // will display currentValue as placeholder
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+
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+ tableView.reloadData()
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+ }
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+
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+}
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+
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+
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Bastian van de Wetering