How can I modify the tableView in the second VC without affecting the related first VC? - ios

Question

the problem is that I have currency flags and currency codes which are used in both of my screens. one is the first screen showing selected currency and the related flag and in the other screen i have same flags and codes next to each other inside tableview. Whichever i click on tableview i get it in the first screen as selected flag and code. what i want is I want to write a description next to the code like "{emoji} - USD - American Dollars" in the tableview but when i click it i dont want to see the American Dollars explanation in the first screen. how can i do that? this is what I want as a result and below that I m adding my codes
The Result I want
First VC
import UIKit
class ViewController: UIViewController {
#IBOutlet weak var amountText: UITextField!
#IBOutlet weak var amountText2: UITextField!
#IBOutlet weak var fromLabel: UILabel!
#IBOutlet weak var fromImage: UIImageView!
#IBOutlet weak var toImage: UIImageView!
#IBOutlet weak var toLabel: UILabel!
var currencyManager = CurrencyManager()
var from: String = "EUR"
var to: String = "TRY"
var amount: String = "0"
override func viewDidLoad() {
super.viewDidLoad()
amountText.delegate = self
currencyManager.delegate = self
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
if let currencySelectorViewController = segue.destination as? CurrencySelectorViewController {
if let sender = sender as? Int {
if sender == 1 {
currencySelectorViewController.fromCurrencySelection = self
} else {
currencySelectorViewController.toCurrencySelection = self
}
}
}
}
#IBAction func amountChanged(_ sender: UITextField) {
amount = sender.text!
//amountText.endEditing(true)
currencyManager.fetchRates(from: from, to: to, amount: amount )
}
//#IBAction func editingChanged2(_ sender: UITextField) {
// amount = sender.text!
//
// //amountText.endEditing(true)
// currencyManager.fetchRates(from: to, to: from, amount: amount )
// }
#IBAction func didTapView(_ sender: UITapGestureRecognizer) {
performSegue(withIdentifier: "currencySelector", sender: 1)
}
#IBAction func didTapView2(_ sender: UITapGestureRecognizer) {
performSegue(withIdentifier: "currencySelector", sender: 2)
}
}
extension ViewController: UITextFieldDelegate {
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
amountText.endEditing(true)
currencyManager.fetchRates(from: from, to: to, amount: amount )
return true
}
func textFieldShouldEndEditing(_ textField: UITextField) -> Bool {
if textField.text != "" {
return true
} else {
amountText.placeholder = "Enter an amount"
return false
}
}
func textFieldDidEndEditing(_ textField: UITextField) {
//amount = amountText.text!
//amount = amountText2.text!
amountText.text = ""
//amountText2.text = ""
}
}
extension ViewController: CurrencyManagerDelegate {
func didFailWithError(error: Error) {
print(error)
}
func didUpdateCurrency(_ currencyManager: String) {
DispatchQueue.main.async {
self.amountText2.text = currencyManager
}
}
}
extension ViewController: FromCurrencySelectorDelegate, ToCurrencySelectorDelegate {
func didGetCurrencyCode(from: String) {
fromLabel.text = from
self.from = from
}
func didGetCurrencyCode(to: String) {
toLabel.text = to
self.to = to
}
}
Second VC
import UIKit
protocol FromCurrencySelectorDelegate: AnyObject {
func didGetCurrencyCode(from: String)
}
protocol ToCurrencySelectorDelegate: AnyObject {
func didGetCurrencyCode(to: String)
}
class CurrencySelectorViewController: UIViewController {
weak var fromCurrencySelection: FromCurrencySelectorDelegate!
weak var toCurrencySelection: ToCurrencySelectorDelegate!
let reusableCell = "ReusableCell"
let currencyArray = ["🇪🇺 EUR", "\u{1F1FA}\u{1F1F8} USD", "\u{1F1F9}\u{1F1F7} TRY", "\u{1F1EC}\u{1F1E7} GBP", "\u{1F1EF}\u{1F1F5} JPY", "\u{1F1E8}\u{1F1E6} CAD", "\u{1F1E6}\u{1F1FA} AUD", "\u{1F1E7}\u{1F1EC} BGN", "\u{1F1F7}\u{1F1FA} RUB", "\u{1F1F3}\u{1F1F4} NOK", "\u{1F1E8}\u{1F1F3} CNY", "\u{1F1E8}\u{1F1ED} CHF", "\u{1F1F2}\u{1F1FD} MXN"]
var filteredData: [String]!
#IBOutlet weak var tableView: UITableView!
#IBOutlet weak var searchBar: UISearchBar!
override func viewDidLoad() {
super.viewDidLoad()
filteredData = currencyArray
searchBar.delegate = self
tableView.delegate = self
tableView.dataSource = self
}
}
extension CurrencySelectorViewController: UITableViewDataSource {
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return filteredData.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: reusableCell, for: indexPath)
cell.textLabel?.text = filteredData[indexPath.row]
return cell
}
}
extension CurrencySelectorViewController: UITableViewDelegate {
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
if fromCurrencySelection != nil {
fromCurrencySelection.didGetCurrencyCode(from: currencyArray[indexPath.row])
} else {
toCurrencySelection.didGetCurrencyCode(to: currencyArray[indexPath.row])
}
dismiss(animated: true, completion: nil)
}
}
//MARK: - Search Bar Methods
extension CurrencySelectorViewController: UISearchBarDelegate {
func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
filteredData = []
if searchText == "" {
filteredData = currencyArray
}
for word in currencyArray {
if word.uppercased().contains(searchText.uppercased()) {
filteredData.append(word)
}
}
self.tableView.reloadData()
}
}