//
// PersonalDetailsViewController.swift
// CovidSafe
//
// Copyright © 2020 Australian Government. All rights reserved.
//
import UIKit
import SafariServices
class PersonalDetailsViewController: UIViewController, UITextFieldDelegate, UIPickerViewDelegate, UIPickerViewDataSource {
@IBOutlet weak var firstnameTextField: UITextField!
@IBOutlet weak var ageTextField: UITextField!
@IBOutlet weak var postcodeTextField: UITextField!
@IBOutlet weak var continueButton: UIButton!
@IBOutlet weak var scrollview: UIScrollView!
@IBOutlet weak var dimView: UIView!
@IBOutlet weak var backButton: UIButton!
@IBOutlet weak var fullNameErrorLabel: UILabel!
@IBOutlet weak var ageErrorLabel: UILabel!
@IBOutlet weak var postcodeErrorLabel: UILabel!
@IBOutlet weak var fullnameLabel: UILabel!
@IBOutlet weak var postcodeLabel: UILabel!
@IBOutlet weak var enterYourDetailsLabel: UILabel!
@IBOutlet weak var ageRangeLabel: UILabel!
var agePicker: UIPickerView?
var pickerBarButtonItem: UIBarButtonItem?
var currentKeyboardFrame: CGRect?
var nextBarButtonItem: UIBarButtonItem?
var selectedAge: Int = -1
let ages = ["0 - 15", "16 - 29", "30 - 39", "40 - 49", "50 - 59", "60 - 69", "70 - 79", "80 - 89", "90+"]
var initialLabelTextColour: UIColor?
override func viewDidLoad() {
super.viewDidLoad()
self.firstnameTextField.delegate = self
self.ageTextField.delegate = self
self.agePicker = UIPickerView()
self.agePicker?.delegate = self
self.agePicker?.dataSource = self
self.ageTextField.inputView = self.agePicker
self.postcodeTextField.delegate = self
updateContinueButton()
let toolBar = UIToolbar()
toolBar.sizeToFit()
self.nextBarButtonItem = UIBarButtonItem(title: "Done".localizedString(),
style: .plain,
target: self,
action: #selector(self.nextButtonTapped))
let spacer = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
toolBar.setItems([spacer, self.nextBarButtonItem!], animated: true)
toolBar.isUserInteractionEnabled = true
self.postcodeTextField.inputAccessoryView = toolBar
self.ageTextField.inputAccessoryView = toolBar
self.firstnameTextField.inputAccessoryView = toolBar
initialLabelTextColour = fullnameLabel.textColor
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(notif:)), name: UIResponder.keyboardWillHideNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillChangeFrame(notif:)), name: UIResponder.keyboardWillChangeFrameNotification, object: nil)
if(UIAccessibility.isVoiceOverRunning){
UIAccessibility.post(notification: .screenChanged, argument: enterYourDetailsLabel)
}
}
override func viewDidDisappear(_ animated: Bool) {
super.viewDidDisappear(animated)
NotificationCenter.default.removeObserver(self)
}
@objc
func nextButtonTapped() {
guard let focussedField = getCurrentResponder() else {
return
}
switch focussedField {
case firstnameTextField:
firstnameTextField.resignFirstResponder()
case ageTextField:
postcodeTextField.becomeFirstResponder()
case postcodeTextField:
postcodeTextField.resignFirstResponder()
default:
return
}
}
private func getCurrentResponder() -> UITextField? {
var currentResponder: UITextField?
if firstnameTextField.isFirstResponder {
currentResponder = firstnameTextField
}
if ageTextField.isFirstResponder {
currentResponder = ageTextField
}
if postcodeTextField.isFirstResponder {
currentResponder = postcodeTextField
}
guard let focussedField = currentResponder else {
return nil
}
return focussedField
}
func updateScrollviewContentInset() {
guard let keyboardFrame = currentKeyboardFrame else {
return
}
guard let focussedField = getCurrentResponder() else {
return
}
// the reason for the view.frame.height - scrollview.frame.height is because the scrollview is not full height of the view
// so we don't need to inset the complete keyboard height
let offsetKeyboardBottom = keyboardFrame.height - (view.frame.height - scrollview.frame.height)
// 40.0 to give it a little space between the keyboard and the textfield
let contentInset = UIEdgeInsets(top: 0.0, left: 0.0, bottom: offsetKeyboardBottom + 40, right: 0.0)
scrollview.contentInset = contentInset
scrollview.scrollIndicatorInsets = contentInset
scrollview.scrollRectToVisible(focussedField.frame, animated: true)
}
@objc
func keyboardWillHide(notif: Notification) {
self.currentKeyboardFrame = nil
let contentInset = UIEdgeInsets.zero
scrollview.contentInset = contentInset
scrollview.scrollIndicatorInsets = contentInset
}
@objc
func keyboardWillChangeFrame(notif: Notification) {
let userInfo = notif.userInfo
guard let keyboardFrame = userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect else {
return
}
self.currentKeyboardFrame = keyboardFrame
updateScrollviewContentInset()
}
func numberOfComponents(in pickerView: UIPickerView) -> Int {
return 1
}
func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
return ages.count
}
func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
return ages[row]
}
func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
selectedAge = row
self.ageTextField.text = ages[row]
}
func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
if (textField == ageTextField) {
return false
}
if (string == "") {
return true
}
if (textField == postcodeTextField) {
let isNumeric = CharacterSet.decimalDigits.isSuperset(of: CharacterSet(charactersIn: string))
if (!isNumeric) {
return false
}
}
if (textField == postcodeTextField && postcodeTextField.text != nil) {
guard let text = postcodeTextField.text else {
return false
}
let newLength = text.count + string.count - range.length
return newLength <= 4
}
if (textField == firstnameTextField) {
let invalidChars = CharacterSet(charactersIn: "!?@#$%^&*><:")
if (string.rangeOfCharacter(from: invalidChars) != nil) {
return false
}
}
return true
}
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
if firstnameTextField == textField {
firstnameTextField.text = textField.text?.trimmingCharacters(in: .whitespacesAndNewlines)
ageTextField.becomeFirstResponder()
}
return false
}
func textFieldDidBeginEditing(_ textField: UITextField) {
if (textField == firstnameTextField || textField == postcodeTextField) {
nextBarButtonItem?.title = "Done".localizedString()
if(UIAccessibility.isVoiceOverRunning) {
firstnameTextField.isAccessibilityElement = true
postcodeTextField.isAccessibilityElement = true
backButton.isAccessibilityElement = true
enterYourDetailsLabel.isAccessibilityElement = true
fullnameLabel.isAccessibilityElement = true
ageRangeLabel.isAccessibilityElement = true
postcodeLabel.isAccessibilityElement = true
fullNameErrorLabel.isAccessibilityElement = true
ageErrorLabel.isAccessibilityElement = true
postcodeErrorLabel.isAccessibilityElement = true
ageTextField.isAccessibilityElement = true
}
} else if (textField == ageTextField) {
dimView.isHidden = false
if(UIAccessibility.isVoiceOverRunning) {
firstnameTextField.isAccessibilityElement = false
postcodeTextField.isAccessibilityElement = false
backButton.isAccessibilityElement = false
enterYourDetailsLabel.isAccessibilityElement = false
fullnameLabel.isAccessibilityElement = false
ageRangeLabel.isAccessibilityElement = false
postcodeLabel.isAccessibilityElement = false
fullNameErrorLabel.isAccessibilityElement = false
ageErrorLabel.isAccessibilityElement = false
postcodeErrorLabel.isAccessibilityElement = false
ageTextField.isAccessibilityElement = false
UIAccessibility.post(notification: .screenChanged, argument: agePicker)
}
nextBarButtonItem?.title = "Next".localizedString()
}
}
func textFieldDidEndEditing(_ textField: UITextField) {
if textField == ageTextField {
dimView.isHidden = true
guard let currentRow = agePicker?.selectedRow(inComponent: 0) else {
updateContinueButton()
return
}
textField.text = ages[currentRow]
selectedAge = currentRow
} else if textField == postcodeTextField {
if textField.text?.count != 4 {
postcodeErrorLabel.isHidden = false
postcodeLabel.textColor = UIColor.covidSafeErrorColor
postcodeTextField.borderWidth = 1
} else {
postcodeErrorLabel.isHidden = true
postcodeLabel.textColor = initialLabelTextColour
postcodeTextField.borderWidth = 0
}
} else if textField == firstnameTextField {
if textField.text == "" {
fullNameErrorLabel.isHidden = false
fullnameLabel.textColor = UIColor.covidSafeErrorColor
firstnameTextField.borderWidth = 1
} else {
fullNameErrorLabel.isHidden = true
fullnameLabel.textColor = initialLabelTextColour
firstnameTextField.borderWidth = 0
}
}
updateContinueButton()
}
func presentValidationError(error: String, fieldToFocus: UITextField) {
let errorAlert = UIAlertController(title: "ValidationError".localizedString(comment: "Validation error"),
message: error,
preferredStyle: .alert)
errorAlert.addAction(UIAlertAction(title: "OK".localizedString(),
style: .default,
handler: { _ in
fieldToFocus.becomeFirstResponder()
}))
self.present(errorAlert, animated: true)
}
func updateContinueButton() {
firstnameTextField.text = firstnameTextField.text?.trimmingCharacters(in: .whitespacesAndNewlines)
if (self.ageTextField.text != "" && self.postcodeTextField.text?.count == 4 && self.firstnameTextField.text != "") {
self.continueButton.isEnabled = true
self.continueButton.backgroundColor = UIColor.covidSafeButtonDarkerColor
} else {
self.continueButton.backgroundColor = UIColor(0xDBDDDD)
self.continueButton.isEnabled = false
}
}
@IBAction func onBackTapped(_ sender: UIButton) {
self.navigationController?.popViewController(animated: true)
}
@IBAction func continueOnTapped(_ sender: Any) {
let age = ageForSelectedIndex(selectedIndex: selectedAge)
guard let postCode = postcodeTextField.text else {
return
}
guard postCode.range(of: #"^(0[2|8|9]|[1-9][0-9])\d{2}$"#, options: .regularExpression) != nil else {
presentValidationError(error: "PostcodeValidationErrorMessage".localizedString(comment: "Please enter a valid postcode"),
fieldToFocus: postcodeTextField)
return
}
if(age < 16) {
performSegue(withIdentifier: "UnderSixteenSegue", sender: self)
} else {
performSegue(withIdentifier: "PhoneValidationSegue", sender: self)
}
}
func ageForSelectedIndex(selectedIndex: Int) -> Int {
var age = -1
switch selectedAge {
case 0:
age = 8
case 1:
age = 23
case 2:
age = 35
case 3:
age = 45
case 4:
age = 55
case 5:
age = 65
case 6:
age = 75
case 7:
age = 85
case 8:
age = 91
default:
age = -1
}
return age
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
guard let postcode = self.postcodeTextField.text,
let fullName = self.firstnameTextField.text else {
return
}
let age = ageForSelectedIndex(selectedIndex: selectedAge)
if var vc = segue.destination as? RegistrationHandler {
let regInfo = RegistrationRequest(fullName: fullName, postcode: postcode, age: age, isMinor: age < 16, phoneNumber: "")
vc.registrationInfo = regInfo
}
}
}