widgets java

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

public class Widget extends JFrame implements ActionListener
{
    DataOutputStream output;
    DataInputStream input;

    String[] styleStrings = { "Economy", "Standard", "Advanced", "Exceptional" };
    String[] colorStrings = { "Red", "Green", "Blue", "Yellow" };

    int economyCount, standardCount, advancedCount, exceptionalCount, redCount, greenCount, blueCount, yellowCount, entryValue;

    JPanel economyPanel = new JPanel();
    JPanel standardPanel = new JPanel();
    JPanel advancedPanel = new JPanel();
    JPanel exceptionalPanel = new JPanel();
    JPanel redPanel = new JPanel();
    JPanel greenPanel = new JPanel();
    JPanel bluePanel = new JPanel();
    JPanel yellowPanel = new JPanel();

    JLabel selectStyle = new JLabel("Select a style: ");
        JComboBox styleList = new JComboBox(styleStrings);

    JLabel selectColor = new JLabel("Select a color: ");
        JComboBox colorList = new JComboBox(colorStrings);

    JLabel enterAmount = new JLabel("Enter amount: ");
        JTextField enterField = new JTextField(5);

    JButton submitButton = new JButton("Submit");

    JLabel blankLabel = new JLabel("");
    JLabel blankLabel2 = new JLabel("");

    JLabel totalLabel = new JLabel("Total Widgets:");

    JLabel economyLabel = new JLabel("Economy: " + economyCount);
    JLabel standardLabel = new JLabel("Standard: " + standardCount);
    JLabel advancedLabel = new JLabel("Advanced: " + advancedCount);
    JLabel exceptionalLabel = new JLabel("Exceptional: " + exceptionalCount);

    JLabel redLabel = new JLabel("Red: " + redCount);
    JLabel greenLabel = new JLabel("Green: " + greenCount);
    JLabel blueLabel = new JLabel("Blue: " + blueCount);
    JLabel yellowLabel = new JLabel("Yellow: " + yellowCount);

    public static void main(String[] args)
    {
        Widget w = new Widget();
        w.setSize(500, 500);
        w.setTitle("ABC Computers Inventory Management System");
        w.setResizable(true);
        w.setLocation(300,300);
        w.setVisible(true);
        w.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

    public Widget()
    {
        Container c = getContentPane();
        c.setLayout((new GridLayout(9,2)));

        FlowLayout rowSetup = new FlowLayout(FlowLayout.LEFT);
            economyPanel.setLayout(rowSetup);
            standardPanel.setLayout(rowSetup);
            advancedPanel.setLayout(rowSetup);
            exceptionalPanel.setLayout(rowSetup);
            redPanel.setLayout(rowSetup);
            greenPanel.setLayout(rowSetup);
            bluePanel.setLayout(rowSetup);
            yellowPanel.setLayout(rowSetup);

        economyPanel.add(economyLabel);
        standardPanel.add(standardLabel);
        advancedPanel.add(advancedLabel);
        exceptionalPanel.add(exceptionalLabel);
        redPanel.add(redLabel);
        greenPanel.add(greenLabel);
        bluePanel.add(blueLabel);
        yellowPanel.add(yellowLabel);

        c.add(selectStyle);
        c.add(selectColor);
        c.add(styleList);
        c.add(colorList);
        c.add(enterAmount);
        c.add(enterField);
        c.add(submitButton);
        c.add(blankLabel);
        c.add(totalLabel);
        c.add(blankLabel2);
        c.add(economyPanel);
        c.add(redPanel);
        c.add(standardPanel);
        c.add(greenPanel);
        c.add(advancedPanel);
        c.add(bluePanel);
        c.add(exceptionalPanel);
        c.add(yellowPanel);

        styleList.setSelectedIndex(1);
        styleList.setEditable(false);
        styleList.addActionListener(this);

        colorList.setSelectedIndex(1);
        colorList.setEditable(false);
        colorList.addActionListener(this);

        submitButton.addActionListener(this);

        try
        {
            output = new DataOutputStream(new FileOutputStream("widgetdata.dat")); //tries to create a new file with the name created above
        }
        catch(IOException io)
        {
            JOptionPane.showMessageDialog(null, "The program could not create a storage location. Please check the disk drive and then run the program again.", "Error", JOptionPane.INFORMATION_MESSAGE);

            System.exit(1);
        }

        try
        {
            input = new DataInputStream(new FileInputStream("widgetdata.dat")); //tries to read the file with the name created above
        }
        catch(IOException io)
        {
            JOptionPane.showMessageDialog(null, "The program could not find the storage location. Please check the disk drive and then run the program again.", "Error", JOptionPane.INFORMATION_MESSAGE);

            System.exit(1);
        }

        addWindowListener(
        new WindowAdapter()
            {
                public void windowClosing(WindowEvent e)
                {
                    int answer = JOptionPane.showConfirmDialog(null, "Are you sure you want to exit and save the file?", "File Submission", JOptionPane.YES_NO_OPTION);
                    if (answer == JOptionPane.YES_OPTION) //allows the program to exit when the x is hit
                        System.exit(0);
                }
            }
        );

    }

    public JMenuBar createMenuBar()
    {
        JMenuBar mnuBar = new JMenuBar();
        setJMenuBar(mnuBar);

        JMenu mnuFile = new JMenu("File", true);
            mnuFile.setMnemonic(KeyEvent.VK_F);
            mnuFile.setDisplayedMnemonicIndex(0);
            mnuBar.add(mnuFile);

        JMenuItem mnuFileExit = new JMenuItem("Exit");
            mnuFileExit.setMnemonic(KeyEvent.VK_X);
            mnuFileExit.setDisplayedMnemonicIndex(1);
            mnuFile.add(mnuFileExit);
            mnuFileExit.setActionCommand("Exit");
            mnuFileExit.addActionListener(this);

        JMenu mnuHelp = new JMenu("Help", true);
            mnuHelp.setMnemonic(KeyEvent.VK_E);
            mnuHelp.setDisplayedMnemonicIndex(0);
            mnuBar.add(mnuHelp);

        return mnuBar;
    }

    @Override
    public void actionPerformed(ActionEvent e)
    {
        String chosenStyle = (String)styleList.getSelectedItem();
        String chosenColor = (String)colorList.getSelectedItem();
        String entryNumbers = enterField.getText();
        int entryValue = Integer.parseInt(entryNumbers);

        try
        {
            int economyCount = input.readInt();
            int redCount = input.readInt();
            int standardCount = input.readInt();
            int greenCount = input.readInt();
        }
        catch(IOException io)
        {
            JOptionPane.showMessageDialog(null, "The program could not read the data. Please check the disk drive and then run the program again.", "Error", JOptionPane.INFORMATION_MESSAGE);

            System.exit(1);
        }

        if ("Submit".equals(e.getActionCommand()))
        {
            if (styleList.getSelectedItem().equals("Economy"))
                {
                    economyCount = economyCount + entryValue;
                    economyLabel.setText("Economy: " + economyCount);
                }

            if (styleList.getSelectedItem().equals("Standard"))
                {
                    standardCount = standardCount + entryValue;
                    standardLabel.setText("Standard: " + standardCount);
                }

            if (styleList.getSelectedItem().equals("Advanced"))
                {
                    advancedCount = advancedCount + entryValue;
                    advancedLabel.setText("Advanced: " + advancedCount);
                }

            if (styleList.getSelectedItem().equals("Exceptional"))
                {
                    exceptionalCount = exceptionalCount + entryValue;
                    exceptionalLabel.setText("Exceptional: " + exceptionalCount);
                }

            if (colorList.getSelectedItem().equals("Red"))
                {
                    redCount = redCount + entryValue;
                    redLabel.setText("Red: " + redCount);
                }

            if (colorList.getSelectedItem().equals("Green"))
                {
                    greenCount = greenCount + entryValue;
                    greenLabel.setText("Green: " + greenCount);
                }

            if (colorList.getSelectedItem().equals("Blue"))
                {
                    blueCount = blueCount + entryValue;
                    blueLabel.setText("Blue: " + blueCount);
                }

            if (colorList.getSelectedItem().equals("Yellow"))
                {
                    yellowCount = yellowCount + entryValue;
                    yellowLabel.setText("Yellow: " + yellowCount);
                }

            try
                {
                    output.writeInt(economyCount); //saves the data
                    output.writeInt(standardCount);
                    output.writeInt(advancedCount);
                    output.writeInt(exceptionalCount);
                    output.writeInt(redCount);
                    output.writeInt(greenCount);
                    output.writeInt(blueCount);
                    output.writeInt(yellowCount);

                    JOptionPane.showMessageDialog(null, "The widget information has been saved.", "Submission Successful", JOptionPane.INFORMATION_MESSAGE);
                }
                catch(IOException c)
                {
                System.exit(1);
                }

        }
    }
}