Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class Main {
    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(new TestPane());
        frame.pack();
        frame.setVisible(true);
    }
}

class TestPane extends JPanel {
    public TestPane() {
        JLabel longText = new JLabel("Long Long Text");
        JLabel shortText = new JLabel("Short");
        JLabel medText = new JLabel("Medium");

        setLayout(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.anchor = GridBagConstraints.EAST;
        add(longText, gbc);
        addFields(gbc);

        gbc.gridx = 0;
        gbc.gridy++;
        gbc.anchor = GridBagConstraints.EAST;
        add(shortText, gbc);
        addFields(gbc);

        gbc.gridx = 0;
        gbc.gridy++;
        gbc.anchor = GridBagConstraints.EAST;
        add(medText, gbc);
        addFields(gbc);
    }

    protected void addFields(GridBagConstraints gbc) {
        JTextField field1 = new JTextField("0", 5);
        field1.setEnabled(false);
        gbc.anchor = GridBagConstraints.CENTER;
        gbc.gridx++;
        add(field1, gbc);
        gbc.gridx++;
        gbc.insets = new Insets(0, 4, 0, 4);
        add(new JLabel("+"), gbc);
        JTextField field2 = new JTextField(5);
        gbc.gridx++;
        add(field2, gbc);
    }

}