import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
import java.util.*;

public class personalInfo extends JFrame implements ActionListener
{
        //initialize array
        String zipCode[] = {"16503", "16502", "16504", "16505", "16501"};
        String states[] = {"AL", "AK","AZ","AR","CA","CO","CT","DE","FL","GA","GU","HI","ID","IL","IN","IA","KS","KY","LA","MA","MD","MS","MI","MN","MI","MO","MT","NE","NV","NH","NJ","NM","NY","NC","ND","OH","OK","OR","PA","PR","RI","SC","SD","TN","TX","UT","VT","VI","VA","WA","WV","WI","WY"};

        //construct a panel for each row
        JPanel firstRow = new JPanel();
        JPanel secondRow = new JPanel();
        JPanel thirdRow = new JPanel();
        JPanel fourthRow = new JPanel();
        JPanel fifthRow = new JPanel();

        //construct components

        JComboBox zipCombo = new JComboBox(zipCode);
        JComboBox stateCombo = new JComboBox(states);

        //construct a panel for the fields and buttons
        JPanel fieldPanel = new JPanel();

        //construct labels and text boxes
        JLabel firstNameLabel = new JLabel("First Name:                 ");
            JTextField firstName = new JTextField(10);
        JLabel lastNameLabel = new JLabel("Last Name:           ");
            JTextField lastName= new JTextField(15);
        JLabel cityLabel = new JLabel("City:                              ");
            JTextField city = new JTextField(10);
        JLabel stateLabel = new JLabel("State:   ");
            JTextField state = new JTextField(2);
        JLabel zipLabel = new JLabel("Zip:");
            JTextField zip = new JTextField(9);

    //create the content pane
    public Container createContentPane()
    {
        //populate the JComboBox
        stateCombo.addActionListener(this);
        zipCombo.addActionListener(this);
        zipCombo.setEditable(true);

    }



    public static void main(String args[])
        {
            personalInfo f= new personalInfo();
            f.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
            f.setSize(350,200);
            f.setTitle("Personal Information");
            f.setResizable(false);
            f.setLocation(200,200);
            f.setVisible(true);
        }

    public personalInfo()
    {
        Container c = getContentPane();
                c.setLayout((new BorderLayout()));
                fieldPanel.setLayout(new GridLayout(8,1));
                FlowLayout rowSetup = new FlowLayout(FlowLayout.LEFT,5,3);
                    firstRow.setLayout(rowSetup);
                    secondRow.setLayout(rowSetup);
                    thirdRow.setLayout(rowSetup);
                    fourthRow.setLayout(rowSetup);

            //    buttonPanel.setLayout(new FlowLayout(FlowLayout.CENTER));

                //add fields to rows
                firstRow.add(firstNameLabel);
                firstRow.add(lastNameLabel);

                secondRow.add(firstName);
                secondRow.add(lastName);

                thirdRow.add(cityLabel);
                thirdRow.add(stateLabel);
                thirdRow.add(zipLabel);

                fourthRow.add(city);
                stateCombo.add(state);
                zipCombo.add(zip);

                //add rows to panel
                fieldPanel.add(firstRow);
                fieldPanel.add(secondRow);
                fieldPanel.add(thirdRow);
                fieldPanel.add(fourthRow);

                //add button to panel
                //buttonPanel.add(submitButton);

                //add panels to frame
                c.add(fieldPanel, BorderLayout.CENTER);
                //c.add(buttonPanel, BorderLayout.SOUTH);

                //add functionality to buttons
        //submitButton.addActionListener(this);
    }

    public void actionPerformed(ActionEvent e)
    {
        //user clicks the combo box
        if (e.getSource() == stateCombo);

        if (e.getSource() == zipCombo);
    }
}

//create the content pane
public void createContentPane()
{
      //populate the JComboBox
      stateCombo.addActionListener(this);
      zipCombo.addActionListener(this);
      zipCombo.setEditable(true);
}

// Attach city, stateCombo, and zip fields to form using Grid
fourthRow.add(city);
fourthRow.add(stateCombo);
fourthRow.add(zip);

// Change vgap parameter to zero in flowlayout manager
FlowLayout rowSetup = new FlowLayout(FlowLayout.LEFT,5,0);

JButton submitButton = new JButton("Submit");

fifthRow.add(submitButton);

fieldPanel.add(fifthRow);

submitButton.addActionListener(this);

if (e.getSource() == submitButton) {
      //do something here
}