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| import UIKit
import Firebase
class LoginController: AddMemberController {
let loginSegmentedControl: UISegmentedControl = {
let sc = UISegmentedControl(items: ["Login", "Register"])
sc.selectedSegmentIndex = 0
sc.translatesAutoresizingMaskIntoConstraints = false
sc.addTarget(self, action: #selector(handleChangeButtonTitle), for: .valueChanged)
return sc
}()
let emailText: UITextField = {
let text = UITextField()
text.placeholder = "email"
text.translatesAutoresizingMaskIntoConstraints = false
text.layer.borderColor = UIColor.cyan.cgColor
text.layer.borderWidth = 1
return text
}()
let passwordText: UITextField = {
let text = UITextField()
text.placeholder = "password"
text.translatesAutoresizingMaskIntoConstraints = false
text.isSecureTextEntry = true
text.layer.borderColor = UIColor.cyan.cgColor
text.layer.borderWidth = 1
return text
}()
lazy var loginButton: UIButton = {
let button = UIButton()
button.translatesAutoresizingMaskIntoConstraints = false
button.setTitle("Login", for: .normal)
button.backgroundColor = .cyan
button.addTarget(self, action: #selector(handleRegister), for: .touchUpInside)
return button
}()
func handleRegister() {
guard let email = emailText.text, let password = passwordText.text else {
print("Input Error")
return
}
FIRAuth.auth()?.createUser(withEmail: email, password: password, completion: { (user: FIRUser?, error) in
if error != nil {
print(error!)
return
}
let ref = FIRDatabase.database().reference(fromURL: "https://hbcrecord-5a3d4.firebaseio.com/")
let userReference = ref.child("User")
let accountValue = ["email": email]
userReference.updateChildValues(accountValue, withCompletionBlock: { (err, ref) in
if err != nil {
print(err!)
return
}
print("New user saved success")
})
})
}
func handleChangeButtonTitle() {
if loginSegmentedControl.selectedSegmentIndex == 0 {
loginButton.setTitle("Login", for: .normal)
profileImageTopAnchor?.constant = 64
emailTopAnchor?.constant = 8
} else {
loginButton.setTitle("Register", for: .normal)
profileImageTopAnchor?.constant = 32
emailTopAnchor?.constant = 48
}
}
var profileImageTopAnchor: NSLayoutConstraint?
var emailTopAnchor: NSLayoutConstraint?
override func viewDidLoad() {
super.viewDidLoad()
profileImage.removeAllConstraints()
positionSegmentedControl.removeFromSuperview()
nameText.removeFromSuperview()
registerButton.removeFromSuperview()
view.addSubview(loginSegmentedControl)
view.addSubview(emailText)
view.addSubview(passwordText)
view.addSubview(loginButton)
profileImageTopAnchor = profileImage.topAnchor.constraint(equalTo: view.topAnchor, constant: 64)
profileImageTopAnchor?.isActive = true
profileImage.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
profileImage.heightAnchor.constraint(equalToConstant: 110).isActive = true
profileImage.widthAnchor.constraint(equalToConstant: 110).isActive = true
loginSegmentedControl.topAnchor.constraint(equalTo: profileImage.bottomAnchor, constant: 8).isActive = true
loginSegmentedControl.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 22).isActive = true
loginSegmentedControl.rightAnchor.constraint(equalTo: view.rightAnchor, constant: -22).isActive = true
loginSegmentedControl.heightAnchor.constraint(equalToConstant: 24).isActive = true
emailTopAnchor = emailText.topAnchor.constraint(equalTo: loginSegmentedControl.bottomAnchor, constant: 8)
emailTopAnchor?.isActive = true
emailText.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 22).isActive = true
emailText.rightAnchor.constraint(equalTo: view.rightAnchor, constant: -22).isActive = true
emailText.heightAnchor.constraint(equalToConstant: 32).isActive = true
passwordText.topAnchor.constraint(equalTo: emailText.bottomAnchor, constant: 8).isActive = true
passwordText.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 22).isActive = true
passwordText.rightAnchor.constraint(equalTo: view.rightAnchor, constant: -22).isActive = true
passwordText.heightAnchor.constraint(equalToConstant: 32).isActive = true
loginButton.topAnchor.constraint(equalTo: passwordText.bottomAnchor, constant: 8).isActive = true
loginButton.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 22).isActive = true
loginButton.rightAnchor.constraint(equalTo: view.rightAnchor, constant: -22).isActive = true
loginButton.heightAnchor.constraint(equalToConstant: 50).isActive = true
}
}
extension UIView {
func removeAllConstraints() {
self.removeConstraints(self.constraints)
for view in self.subviews {
view.removeAllConstraints()
}
}
}
|
