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Implemented toggling password visibility

This commit is contained in:
dankito 2020-10-03 07:18:00 +02:00
parent e64e8925c4
commit 8108926d71
1 changed files with 32 additions and 0 deletions
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32
ui/BankingiOSApp/BankingiOSApp/ui/UIKit/UIKitTextField.swift
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@ -74,6 +74,10 @@ struct UIKitTextField: UIViewRepresentable {
textField.delegate = context.coordinator
if isPasswordField {
addTogglePasswordVisibilityButton(textField, context.coordinator)
}
// set tag on all TextFields to be able to focus next view (= next tag). See Coordinator for more details
Self.NextTagId = Self.NextTagId + 1 // unbelievable, there's no ++ operator
textField.tag = Self.NextTagId
@ -101,6 +105,18 @@ struct UIKitTextField: UIViewRepresentable {
}
}
private func addTogglePasswordVisibilityButton(_ textField: UITextField, _ coordinator: Coordinator) {
coordinator.textField = textField
let togglePasswordVisiblityView = UIButton()
togglePasswordVisiblityView.setImage(UIImage(systemName: "eye.slash.fill"), for: .normal)
togglePasswordVisiblityView.tintColor = UIColor.secondaryLabel
togglePasswordVisiblityView.addTarget(coordinator, action:#selector(coordinator.togglePasswordVisibility), for: .touchUpInside)
textField.leftView = togglePasswordVisiblityView
textField.leftViewMode = .always
}
private func addDoneButtonToKeyboard(_ textField: UITextField, _ coordinator: Coordinator) {
coordinator.textField = textField
@ -211,6 +227,22 @@ struct UIKitTextField: UIViewRepresentable {
handleReturnKeyPress(textField)
}
}
@objc
func togglePasswordVisibility() {
if let textField = self.textField {
textField.isSecureTextEntry.toggle()
if let togglePasswordVisiblityButton = textField.leftView as? UIButton {
if textField.isSecureTextEntry {
togglePasswordVisiblityButton.setImage(UIImage(systemName: "eye.slash.fill"), for: .normal)
}
else {
togglePasswordVisiblityButton.setImage(UIImage(systemName: "eye.fill"), for: .normal)
}
}
}
}
}