Created
July 22, 2020 11:36
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Reusable alert view controller with multiple types
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| import UIKit | |
| //swiftlint:disable superfluous_disable_command identifier_name line_length | |
| enum AlertType { | |
| case ERROR, INFO, ONOFF_INFOCOUPON, NO_NETWORK, LOGOUT | |
| } | |
| class AlertViewController: UIViewController { | |
| @IBOutlet weak var alertContainerWidthConstraint: NSLayoutConstraint! | |
| @IBOutlet weak var saveBtnViewHeight: NSLayoutConstraint! | |
| @IBOutlet weak var saveBtn: UIButton! | |
| @IBOutlet weak var cancelBtn: UIButton! | |
| @IBOutlet weak var cancelBtnViewHeight: NSLayoutConstraint! | |
| @IBOutlet weak var stackView: UIStackView! | |
| @IBOutlet weak var titleHeightConstraint: NSLayoutConstraint! | |
| @IBOutlet weak var btnViewHeightConstraint: NSLayoutConstraint! | |
| @IBOutlet weak var closeXBtn: UIButton! | |
| @IBOutlet weak var infoIcon: UIImageView! | |
| @IBOutlet weak var alertContainer: UIView! | |
| @IBOutlet weak var alertTitle: UILabel! | |
| @IBOutlet weak var alertMessage: UILabel! | |
| @IBOutlet weak var alertBtn: UIButton! | |
| @IBOutlet weak var titleView: UIView! | |
| @IBOutlet weak var btnView: UIView! | |
| @IBOutlet weak var backgroundView: UIView! | |
| var aTitle: String? | |
| var aMessage: String? | |
| var type: AlertType? | |
| var saveTitle: String? | |
| var iconColor: String? | |
| weak var alertDelegate: AlertListenerProtocol? | |
| override func viewDidLoad() { | |
| super.viewDidLoad() | |
| } | |
| override func viewWillAppear(_ animated: Bool) { | |
| alertTitle.text = aTitle?.uppercased() | |
| alertMessage.text = aMessage | |
| backgroundView.alpha = 0.7 | |
| switch type { | |
| case .ERROR: | |
| setErrorAlertStyle() | |
| case .INFO: | |
| setInfoAlertStyle() | |
| case .ONOFF_INFOCOUPON: | |
| setonOffInfoCoupon() | |
| case.NO_NETWORK: | |
| setNoNetworkStyle() | |
| case .LOGOUT: | |
| setLogoutStyle() | |
| default: | |
| break | |
| } | |
| } | |
| override func viewDidLayoutSubviews() { | |
| setUIStyles() | |
| } | |
| // MARK: - Internal functions | |
| func setErrorAlertStyle() { | |
| // | |
| titleHeightConstraint.constant = 30 | |
| btnViewHeightConstraint.constant = 40 | |
| alertContainerWidthConstraint.constant = 300 | |
| } | |
| func setInfoAlertStyle() { | |
| titleHeightConstraint.constant = 0 | |
| btnViewHeightConstraint.constant = 0 | |
| titleView.isHidden = true | |
| btnView.isHidden = true | |
| alertContainerWidthConstraint.constant = 280 | |
| if iconColor == "red"{ | |
| infoIcon.image = UIImage(named: "ic_info_dialog_red") | |
| } else { | |
| infoIcon.image = UIImage(named: "ic_info_dialog_gray") | |
| } | |
| } | |
| func setNoNetworkStyle() { | |
| closeXBtn.isHidden = true | |
| titleHeightConstraint.constant = 30 | |
| btnViewHeightConstraint.constant = 0 | |
| btnView.isHidden = true | |
| cancelBtnViewHeight.constant = 40 | |
| cancelBtn.setTitle("Rendben", for: .normal) | |
| alertContainerWidthConstraint.constant = 300 | |
| if iconColor == "red"{ | |
| infoIcon.image = UIImage(named: "ic_info_dialog_red") | |
| } else { | |
| infoIcon.image = UIImage(named: "ic_info_dialog_gray") | |
| } | |
| } | |
| func setLogoutStyle() { | |
| closeXBtn.isHidden = true | |
| titleHeightConstraint.constant = 30 | |
| btnViewHeightConstraint.constant = 0 | |
| btnView.isHidden = true | |
| saveBtnViewHeight.constant = 40 | |
| saveBtn.setTitle("Kilépek", for: .normal) | |
| cancelBtnViewHeight.constant = 40 | |
| alertContainerWidthConstraint.constant = 300 | |
| if iconColor == "red"{ | |
| infoIcon.image = UIImage(named: "ic_info_dialog_red") | |
| } else { | |
| infoIcon.image = UIImage(named: "ic_info_dialog_gray") | |
| } | |
| } | |
| func setUIStyles() { | |
| alertContainer.setAlertModalContainerStyle() | |
| alertBtn.setButtonStyle() | |
| saveBtn.setButtonStyle() | |
| cancelBtn.setButtonStyle() | |
| } | |
| func setonOffInfoCoupon() { | |
| saveBtn.setTitle(saveTitle, for: .normal) | |
| titleHeightConstraint.constant = 30 | |
| btnViewHeightConstraint.constant = 0 | |
| alertContainerWidthConstraint.constant = 300 | |
| saveBtnViewHeight.constant = 40 | |
| cancelBtnViewHeight.constant = 40 | |
| closeXBtn.isHidden = true | |
| } | |
| // MARK: - IB Actions | |
| @IBAction func closeBtnTapped(_ sender: Any) { | |
| self.view.removeFromSuperview() | |
| } | |
| @IBAction func saveBtnTapped(_ sender: Any) { | |
| alertDelegate?.savePressed!() | |
| } | |
| @IBAction func cancelBtnTapped(_ sender: Any) { | |
| alertDelegate?.cancelPressed!() | |
| } |
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