Протокол делегата
protocol NewPlaceCloseProtocol {
func saveData(place: FavoritePlace)
}
класс модели
import RealmSwift
import UIKit
class FavoritePlace: Object {
@objc dynamic var name = “”
@objc dynamic var location: String?
@objc dynamic var type: String?
@objc dynamic var imageData: Data?
convenience init(name: String, location: String?, type: String?, imageData: Data?) {
self.init()
self.name = name
self.location = location
self.type = type
self.imageData = imageData
}
}
класс MainTableViewController, первый контроллер
class MainTableViewController: UITableViewController, NewPlaceCloseProtocol {
var newPlaceTVC: NewPlaceTableViewController?
var places: Results<FavoritePlace>!
var favoritePlaceCellId = "favoritePlaceCellId"
let titleHeader: UILabel = {
let label = UILabel()
label.font = UIFont.systemFont(ofSize: 20, weight: .medium)
label.text = "Favorite Places"
label.textColor = .black
label.textAlignment = .center
return label
}()
override func viewDidLoad() {
super.viewDidLoad()
places = realm.objects(FavoritePlace.self)
setupTableView()
setupNavigation()
newPlaceTVC?.delegate = self
}
func saveData(place: FavoritePlace) {
places = place
}
func setupTableView() {
tableView.register(FavoritePlaceTableViewCell.self, forCellReuseIdentifier: favoritePlaceCellId)
tableView.separatorStyle = .none
}
func setupNavigation() {
navigationItem.titleView = titleHeader
let rightAddButton = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(goToNewPlace))
navigationItem.rightBarButtonItem = rightAddButton
}
@objc func goToNewPlace() {
let newPlaceTableViewController = UINavigationController(rootViewController: NewPlaceTableViewController())
newPlaceTableViewController.modalTransitionStyle = .flipHorizontal
navigationController?.present(newPlaceTableViewController, animated: true)
}
// MARK: - Table view data source
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return places.isEmpty ? 0 : places.count
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: favoritePlaceCellId, for: indexPath) as! FavoritePlaceTableViewCell
let place = places[indexPath.item]
cell.nameLabel.text = place.name
cell.locationLabel.text = place.location
cell.typeLabel.text = place.type
cell.placeImageView.image = UIImage(data: place.imageData!)
return cell
}
}
класс второго контроллера NewPlaceTableViewController
class NewPlaceTableViewController: UITableViewController {
var delegate: NewPlaceCloseProtocol?
let newPlaceImageCellId = "newPlaceImageCellId"
let newPlaceInfoCellId = "newPlaceInfoCellId"
let placeCellHeaderData: [PlaceCellHeaderData] = PlaceCellHeaderData.fetchData()
var imageIsChanged = false
let titleHeader: UILabel = {
let label = UILabel()
label.font = UIFont.systemFont(ofSize: 20, weight: .medium)
label.text = "Favorite Places"
label.textColor = .black
label.textAlignment = .center
return label
}()
var placeNameTextField: UITextField = {
let textfield = UITextField()
textfield.font = UIFont.systemFont(ofSize: 14)
return textfield
}()
var placeLocationTextField: UITextField = {
let textfield = UITextField()
textfield.font = UIFont.systemFont(ofSize: 14)
return textfield
}()
var placeTypeTextField: UITextField = {
let textfield = UITextField()
textfield.font = UIFont.systemFont(ofSize: 14)
return textfield
}()
let placeImageView: UIImageView = {
let imageView = UIImageView(image: #imageLiteral(resourceName: "Photo"))
return imageView
}()
var saveBarButtonItem: UIBarButtonItem = {
let barButton = UIBarButtonItem()
return barButton
}()
var cancelBarButtonItem: UIBarButtonItem = {
let barButton = UIBarButtonItem()
return barButton
}()
override func viewDidLoad() {
super.viewDidLoad()
setupTableView()
setupNavigation()
setupView()
}
func setupTableView() {
let placeImageNib = UINib(nibName: NewPlaceImageTableViewCell.identifier, bundle: nil)
let placeInfoNib = UINib(nibName: NewPlaceInfoTableViewCell.identifier, bundle: nil)
tableView.register(placeImageNib, forCellReuseIdentifier: newPlaceImageCellId)
tableView.register(placeInfoNib, forCellReuseIdentifier: newPlaceInfoCellId)
tableView.tableFooterView = UIView()
}
func setupNavigation() {
navigationItem.titleView = titleHeader
cancelBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel, target: self, action: #selector(cancelAction))
saveBarButtonItem = UIBarButtonItem(barButtonSystemItem: .save, target: self, action: #selector(saveAction))
saveBarButtonItem.isEnabled = false
navigationItem.leftBarButtonItem = cancelBarButtonItem
navigationItem.rightBarButtonItem = saveBarButtonItem
}
func setupView() {
placeNameTextField.delegate = self
placeNameTextField.addTarget(self, action: #selector(textFieldChanged), for: .editingChanged)
}
// MARK: - Table view data source
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 4
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
switch indexPath.item {
case 0:
let cell = tableView.dequeueReusableCell(withIdentifier: newPlaceImageCellId, for: indexPath) as! NewPlaceImageTableViewCell
cell.placeImageView.image = placeImageView.image
cell.selectionStyle = .none
cell.separatorInset = UIEdgeInsets(top: 0, left: 15, bottom: 0, right: 15)
return cell
default:
let cell = tableView.dequeueReusableCell(withIdentifier: newPlaceInfoCellId, for: indexPath) as! NewPlaceInfoTableViewCell
let index = indexPath.item-1
placeNameTextField = cell.placeTextField
cell.placeTextLabel.text = placeCellHeaderData[index].title
cell.placeTextField.addTarget(self, action: #selector(textFieldChanged), for: .editingChanged)
cell.selectionStyle = .none
cell.separatorInset = UIEdgeInsets(top: 0, left: 15, bottom: 0, right: 15)
return cell
}
}
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
if indexPath.row == 0 {
let cameraIcon = #imageLiteral(resourceName: "camera")
let photoIcon = #imageLiteral(resourceName: "photo")
let actionSheet = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
let photoFromCamera = UIAlertAction(title: "Camera", style: .default) { _ in
self.chooseImagePicker(source: .camera)
}
let photoFromGallery = UIAlertAction(title: "Photo", style: .default) { _ in
self.chooseImagePicker(source: .photoLibrary)
}
photoFromCamera.setValue(cameraIcon, forKey: "image")
photoFromCamera.setValue(CATextLayerAlignmentMode.left, forKey: "titleTextAlignment")
photoFromGallery.setValue(photoIcon, forKey: "image")
photoFromGallery.setValue(CATextLayerAlignmentMode.left, forKey: "titleTextAlignment")
let cancel = UIAlertAction(title: "Cancel", style: .cancel)
actionSheet.addAction(photoFromCamera)
actionSheet.addAction(photoFromGallery)
actionSheet.addAction(cancel)
present(actionSheet, animated: true)
} else {
view.endEditing(true)
}
}
override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
if indexPath.item == 0 {
return 250
} else {
return 75
}
}
@objc private func cancelAction(_ : UIButton) {
dismiss(animated: true, completion: nil)
}
@objc private func saveAction(_ : UIButton) {
var image: UIImage?
if imageIsChanged {
image = placeImageView.image
} else {
image = #imageLiteral(resourceName: "not-pace")
}
let imageData = image?.pngData()
print("-- \(placeTypeTextField.text!)")
let newPlace = FavoritePlace(name: placeNameTextField.text!, location: placeLocationTextField.text, type: placeTypeTextField.text, imageData: imageData)
StorageManager.saveObject(newPlace)
delegate?.saveData(place: newPlace)
dismiss(animated: true, completion: nil)
}
@objc private func textFieldChanged() {
if placeNameTextField.text?.isEmpty == false {
saveBarButtonItem.isEnabled = true
} else {
saveBarButtonItem.isEnabled = false
}
}
}
