package sample;

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.geometry.Insets;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.*;
import javafx.scene.text.Text;
import javafx.stage.Stage;


public class Main extends Application {

    Stage window;
    Button button;

    @Override
    public void start(Stage primaryStage) throws Exception{
        window = primaryStage;
        window.setTitle("Tony Chen");

        GridPane gridPane = new GridPane();
        gridPane.setPadding(new Insets(10, 10, 10, 10));
        gridPane.setVgap(8);
        gridPane.setHgap(10);

        //Form
        TextField nameInput = new TextField();
        button = new Button("Click me");
        button.setOnAction(e -> isInt(nameInput, nameInput.getText()) );



        //Layout
        VBox layout = new VBox();
        layout.setPadding(new Insets(20, 20, 20, 20));
        layout.getChildren().addAll(nameInput, button);

        Scene scene = new Scene(layout, 300, 250);
        window.setScene(scene);
        window.show();


    }


    public static void main(String[] args) {

        launch(args);
    }

    private boolean isInt(TextField input, String message){
        try{
            int age = Integer.parseInt(input.getText());
            System.out.println("User is " + age);
            return true;
        }catch(NumberFormatException e){
            System.out.println("Error: " + message + " is not a number");
            return false;

        }
    }

}