Java 类com.vaadin.ui.LoginForm 实例源码

public LoginDialog(ApplicationContext context, LoginListener loginListener) {
    super("Login to Metl");

    this.context = context;
    this.loginListener = loginListener;

    settings = new TypedProperties();
    settings.putAll(context.getOperationsSerivce().findGlobalSettingsAsMap());
    passwordExpiresInDays = settings.getInt(GlobalSetting.PASSWORD_EXPIRE_DAYS, 60);

    setWidth(300, Unit.PIXELS);
    setResizable(false);
    setModal(true);
    setClosable(false);

    LoginForm loginForm = new LoginForm() {

        @Override
        protected Component createContent(TextField userNameField, PasswordField passwordField,
                Button loginButton) {
            VerticalLayout layout = new VerticalLayout();
            layout.setMargin(true);
            layout.setSpacing(true);

            LoginDialog.this.userNameField = userNameField;
            userNameField.setWidth(100, Unit.PERCENTAGE);
            LoginDialog.this.passwordField = passwordField;
            passwordField.setWidth(100, Unit.PERCENTAGE);
            passwordField.setNullRepresentation("");

            layout.addComponent(userNameField);
            layout.addComponent(passwordField);

            validatePasswordField = new PasswordField("Verify Password");
            validatePasswordField.setWidth(100, Unit.PERCENTAGE);
            validatePasswordField.setNullRepresentation("");
            validatePasswordField.setVisible(false);
            layout.addComponent(validatePasswordField);

            HorizontalLayout buttonLayout = new HorizontalLayout();
            loginButton.setStyleName(ValoTheme.BUTTON_PRIMARY);
            LoginDialog.this.loginButton = loginButton;
            buttonLayout.addComponent(loginButton);
            buttonLayout.setWidth(100, Unit.PERCENTAGE);
            layout.addComponent(buttonLayout);
            buttonLayout.addComponent(loginButton);
            buttonLayout.setComponentAlignment(loginButton, Alignment.BOTTOM_RIGHT);

            userNameField.focus();
            return layout;
        }

    };
    loginForm.addLoginListener((e) -> login());
    loginForm.setWidth(300, Unit.PIXELS);

    setContent(loginForm);
}