Exemple #1
0
        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            NavigationController.NavigationBarHidden = true;
            PasswordManagerButton.Hidden             = !ViewModel.IsPasswordManagerAvailable;

            UIKeyboard.Notifications.ObserveWillShow(KeyboardWillShow);
            UIKeyboard.Notifications.ObserveWillHide(KeyboardWillHide);

            //Text
            this.Bind(ViewModel.Email, EmailTextField.BindText());
            this.Bind(ViewModel.ErrorMessage, ErrorLabel.BindText());
            this.Bind(ViewModel.Password, PasswordTextField.BindText());
            this.Bind(EmailTextField.Text().Select(Email.From), ViewModel.SetEmail);
            this.Bind(PasswordTextField.Text().Select(Password.From), ViewModel.SetPassword);
            this.Bind(ViewModel.IsLoading.Select(loginButtonTitle), LoginButton.BindAnimatedTitle());

            //Visibility
            this.Bind(ViewModel.HasError, ErrorLabel.BindAnimatedIsVisible());
            this.Bind(ViewModel.IsLoading, ActivityIndicator.BindIsVisibleWithFade());
            this.Bind(ViewModel.IsPasswordMasked.Skip(1), PasswordTextField.BindSecureTextEntry());
            this.Bind(ViewModel.IsShowPasswordButtonVisible, ShowPasswordButton.BindIsVisible());
            this.Bind(PasswordTextField.FirstResponder, ViewModel.SetIsShowPasswordButtonVisible);

            //Commands
            this.Bind(SignupCard.Tapped(), ViewModel.Signup);
            this.BindVoid(LoginButton.Tapped(), ViewModel.Login);
            this.BindVoid(GoogleLoginButton.Tapped(), ViewModel.GoogleLogin);
            this.Bind(ForgotPasswordButton.Tapped(), ViewModel.ForgotPassword);
            this.Bind(PasswordManagerButton.Tapped(), ViewModel.StartPasswordManager);
            this.BindVoid(ShowPasswordButton.Tapped(), ViewModel.TogglePasswordVisibility);

            //Color
            this.Bind(ViewModel.HasError.Select(loginButtonTintColor), LoginButton.BindTintColor());
            this.Bind(ViewModel.LoginEnabled.Select(loginButtonTitleColor), LoginButton.BindTitleColor());

            //Animation
            this.Bind(ViewModel.Shake, shakeTargets =>
            {
                if (shakeTargets.HasFlag(LoginViewModel.ShakeTargets.Email))
                {
                    EmailTextField.Shake();
                }

                if (shakeTargets.HasFlag(LoginViewModel.ShakeTargets.Password))
                {
                    PasswordTextField.Shake();
                }
            });

            prepareViews();

            UIColor loginButtonTintColor(bool hasError)
            => hasError ? UIColor.White : UIColor.Black;

            UIColor loginButtonTitleColor(bool enabled) => enabled
                ? Color.Login.EnabledButtonColor.ToNativeColor()
                : Color.Login.DisabledButtonColor.ToNativeColor();
        }