Java Swing How to - Create a custom Spinner like control by arrow button

Question

We would like to know how to create a custom Spinner like control by arrow button.
Answer

/*from  w w w .  j  av  a 2 s.c om*/

  
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridLayout;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.plaf.basic.BasicArrowButton;

public class Main extends JPanel {
    private int orientation = SwingConstants.VERTICAL;

    private BasicArrowButton incrementButton;

    private BasicArrowButton decrementButton;

    public Main() {
        createComponents();
    }

    public Main(int o) {
        orientation = o;
        createComponents();
    }

    public void setEnabled(boolean enable) {
        incrementButton.setEnabled(enable);
        decrementButton.setEnabled(enable);
    }

    public boolean isEnabled() {
        return (incrementButton.isEnabled() && decrementButton.isEnabled());
    }

    protected void createComponents() {
        if (orientation == SwingConstants.VERTICAL) {
            setLayout(new GridLayout(2, 1));
            incrementButton = new BasicArrowButton(SwingConstants.NORTH);
            decrementButton = new BasicArrowButton(SwingConstants.SOUTH);
            add(incrementButton);
            add(decrementButton);
        } else if (orientation == SwingConstants.HORIZONTAL) {
            setLayout(new GridLayout(1, 2));
            incrementButton = new BasicArrowButton(SwingConstants.EAST);
            decrementButton = new BasicArrowButton(SwingConstants.WEST);
            add(decrementButton);
            add(incrementButton);
        }
    }

    public JButton getIncrementButton() {
        return (incrementButton);
    }

    public JButton getDecrementButton() {
        return (decrementButton);
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        JPanel panel = (JPanel) frame.getContentPane();
        panel.setLayout(new BorderLayout());
        JTextField field = new JTextField(20);
        Main spinner = new Main();

        panel.add(field, "Center");
        panel.add(spinner, "East");

        Dimension dim = frame.getToolkit().getScreenSize();
        frame.setLocation(dim.width / 2 - frame.getWidth() / 2, dim.height / 2
                - frame.getHeight() / 2);
        frame.pack();
        frame.show();
    }
}