104 lines
5.1 KiB
Swift
104 lines
5.1 KiB
Swift
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@objc(LKDeviceNameModal)
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final class DeviceNameModal : Modal {
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@objc public var device: DeviceLink.Device!
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@objc public var delegate: DeviceNameModalDelegate?
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// MARK: Components
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private lazy var nameTextField: UITextField = {
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let result = UITextField()
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result.textColor = Colors.text
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result.font = .systemFont(ofSize: Values.mediumFontSize)
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result.textAlignment = .center
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let placeholder = NSMutableAttributedString(string: NSLocalizedString("modal_edit_device_name_text_field_hint", comment: ""))
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placeholder.addAttribute(.foregroundColor, value: Colors.text.withAlphaComponent(Values.unimportantElementOpacity), range: NSRange(location: 0, length: placeholder.length))
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result.attributedPlaceholder = placeholder
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result.tintColor = Colors.accent
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result.keyboardAppearance = .dark
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return result
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}()
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// MARK: Lifecycle
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override func viewDidLoad() {
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super.viewDidLoad()
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let notificationCenter = NotificationCenter.default
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notificationCenter.addObserver(self, selector: #selector(handleKeyboardWillChangeFrameNotification(_:)), name: UIResponder.keyboardWillChangeFrameNotification, object: nil)
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notificationCenter.addObserver(self, selector: #selector(handleKeyboardWillHideNotification(_:)), name: UIResponder.keyboardWillHideNotification, object: nil)
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}
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override func populateContentView() {
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// Set up title label
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let titleLabel = UILabel()
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titleLabel.textColor = Colors.text
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titleLabel.font = .boldSystemFont(ofSize: Values.mediumFontSize)
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titleLabel.text = "Change Device Name"
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titleLabel.numberOfLines = 0
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titleLabel.lineBreakMode = .byWordWrapping
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titleLabel.textAlignment = .center
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// Set up explanation label
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let explanationLabel = UILabel()
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explanationLabel.textColor = Colors.text
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explanationLabel.font = .systemFont(ofSize: Values.smallFontSize)
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explanationLabel.text = "Enter the new display name for your device below"
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explanationLabel.numberOfLines = 0
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explanationLabel.textAlignment = .center
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explanationLabel.lineBreakMode = .byWordWrapping
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// Set up OK button
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let okButton = UIButton()
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okButton.set(.height, to: Values.mediumButtonHeight)
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okButton.layer.cornerRadius = Values.modalButtonCornerRadius
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okButton.backgroundColor = Colors.accent
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okButton.titleLabel!.font = .systemFont(ofSize: Values.smallFontSize)
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okButton.setTitleColor(Colors.text, for: UIControl.State.normal)
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okButton.setTitle(NSLocalizedString("OK", comment: ""), for: UIControl.State.normal)
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okButton.addTarget(self, action: #selector(changeName), for: UIControl.Event.touchUpInside)
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// Set up button stack view
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let buttonStackView = UIStackView(arrangedSubviews: [ cancelButton, okButton ])
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buttonStackView.axis = .horizontal
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buttonStackView.spacing = Values.mediumSpacing
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buttonStackView.distribution = .fillEqually
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// Set up main stack view
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let stackView = UIStackView(arrangedSubviews: [ titleLabel, explanationLabel, nameTextField, buttonStackView ])
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stackView.axis = .vertical
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stackView.spacing = Values.largeSpacing
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contentView.addSubview(stackView)
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stackView.pin(.leading, to: .leading, of: contentView, withInset: Values.largeSpacing)
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stackView.pin(.top, to: .top, of: contentView, withInset: Values.largeSpacing)
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contentView.pin(.trailing, to: .trailing, of: stackView, withInset: Values.largeSpacing)
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contentView.pin(.bottom, to: .bottom, of: stackView, withInset: Values.largeSpacing)
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}
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deinit {
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NotificationCenter.default.removeObserver(self)
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}
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// MARK: Updating
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@objc private func handleKeyboardWillChangeFrameNotification(_ notification: Notification) {
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guard let newHeight = (notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue.size.height else { return }
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verticalCenteringConstraint.constant = -(newHeight / 2)
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UIView.animate(withDuration: 0.25) {
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self.view.layoutIfNeeded()
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}
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}
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@objc private func handleKeyboardWillHideNotification(_ notification: Notification) {
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verticalCenteringConstraint.constant = 0
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UIView.animate(withDuration: 0.25) {
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self.view.layoutIfNeeded()
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}
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}
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// MARK: Interaction
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@objc private func changeName() {
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let name = nameTextField.text!.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
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if !name.isEmpty {
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UserDefaults.standard[.slaveDeviceName(device.publicKey)] = name
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delegate?.handleDeviceNameChanged(to: name, for: device)
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} else {
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let alert = UIAlertController(title: "Error", message: "Please pick a name", preferredStyle: .alert)
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alert.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: ""), accessibilityIdentifier: nil, style: .default, handler: nil))
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present(alert, animated: true, completion: nil)
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}
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}
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}
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