67. TextField and PasswordField

With a TextField and PasswordField, we can enter text.

If the submit button is pressed and the password is correct (password), the person is greeted with green OK.

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package ex67;

import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.PasswordField;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.stage.Stage;

public class Ex67 extends Application {

    @Override
    public void start(Stage stage) {
        
        Font font = Font.font("Geogia",20);
        
        GridPane gridPane = new GridPane();
        gridPane.setHgap(10); gridPane.setVgap(10);
        gridPane.setAlignment(Pos.CENTER);
                
        Label nameLab = new Label("Name");
        nameLab.setFont(font);
        gridPane.add(nameLab, 0, 0);
        
        TextField nameTF = new TextField();
        nameTF.setMaxWidth(100);
        gridPane.add(nameTF, 1, 0);
        
        Label passwordLab = new Label("Password");
        passwordLab.setFont(font);
        gridPane.add(passwordLab, 0, 1);
        
        PasswordField passwordField = new PasswordField();
        passwordField.setMaxWidth(200);
        gridPane.add(passwordField, 1, 1);
        
        Button submit = new Button("Submit");
        gridPane.add(submit, 1, 2, 2, 1);
        
        Label messageLab = new Label();
        messageLab.setFont(font);
        messageLab.setPrefWidth(200);
        gridPane.add(messageLab, 1, 3, 2, 1);

        Scene scene = new Scene(gridPane, 500, 200);
        stage.setTitle("Example 67. TextField and PasswordField"); 
        
        submit.setOnAction(e -> {
            String message;
            String password = passwordField.getText();
            if (password.equals("password")) {
                message = "OK";
                messageLab.setTextFill(Color.GREEN);
            } else {
                message = "Wrong";
                messageLab.setTextFill(Color.RED);
            }
            messageLab.setText(message + ", " + nameTF.getText());
        });
        
        stage.setScene(scene);
        stage.show();
    }
    
    public static void main(String[] args) {
        launch();
    }
}

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This is the output:

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