import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Insets;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemListener;
import java.awt.event.KeyEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Random;

import javax.swing.BorderFactory;
import javax.swing.ButtonGroup;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.KeyStroke;
import javax.swing.SwingWorker;

public class ProgMenu extends JPanel implements ActionListener, PropertyChangeListener, ItemListener{

	private JProgressBar progressBar;
    private JMenuItem startButton;
    private JTextArea taskOutput;
    private Task task;
    
    JTextArea output;
    JScrollPane scrollPane;
    String newline = "\n";
   
    JMenuBar menuBar;
    JMenu menu, submenu;
    JMenuItem menuItem;
    JRadioButtonMenuItem rbMenuItem;
    JCheckBoxMenuItem cbMenuItem;
    ////////////////////////////////////////////////////
    //Sets up the progress bar 0-100%
    class Task extends SwingWorker<Void, Void> {
        @Override
        public Void doInBackground() {
            Random random = new Random();
            int progress = 0;
            //Initialize progress property.
            setProgress(0);
            while (progress < 100) {
                //Sleep for up to one second.
                try {
                    Thread.sleep(random.nextInt(1000));
                } catch (InterruptedException ignore) {}
                //Make random progress.
                progress += random.nextInt(10);
                setProgress(Math.min(progress, 100));
            }
            return null;
        }
        //////////////////////////////////////////////////
        @Override
        public void done() {
            Toolkit.getDefaultToolkit().beep();
            startButton.setEnabled(true); // allows for button use
            setCursor(null); //turn off the wait cursor
            taskOutput.append("Done!\n");
        }
    }
    //////////////////////////////////////////////////////
    //Menu Bar code
    public JMenuBar createMenuBar() {
        JMenuBar menuBar;
        JMenu menu;
        JMenuItem startButton;

        //Create the menu bar.
        menuBar = new JMenuBar();

        //Build the first menu.
        menu = new JMenu("Menu");
        menu.setMnemonic(KeyEvent.VK_A);
        menu.getAccessibleContext().setAccessibleDescription("The only menu in this program");
        menuBar.add(menu);

        //a group of JMenuItems
        startButton = new JMenuItem("Project by:",KeyEvent.VK_T);
        startButton.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_1, ActionEvent.ALT_MASK));
        startButton.getAccessibleContext().setAccessibleDescription("This doesn't really do anything");
        startButton.addActionListener(this);
        menu.add(startButton);
////////////////////////////////////////////////////////////////
      //a group of radio button menu items
        menu.addSeparator();
        ButtonGroup group = new ButtonGroup();

        rbMenuItem = new JRadioButtonMenuItem("Joey Erlandson");
        rbMenuItem.setSelected(true);
        rbMenuItem.setMnemonic(KeyEvent.VK_R);
        group.add(rbMenuItem);
        rbMenuItem.addActionListener(this);
        menu.add(rbMenuItem);

        rbMenuItem = new JRadioButtonMenuItem("Alexander Blue");
        rbMenuItem.setMnemonic(KeyEvent.VK_O);
        group.add(rbMenuItem);
        rbMenuItem.addActionListener(this);
        menu.add(rbMenuItem);

        //a group of check box menu items
        menu.addSeparator();
        cbMenuItem = new JCheckBoxMenuItem("A check box menu");
        cbMenuItem.setMnemonic(KeyEvent.VK_C);
        cbMenuItem.addItemListener(this);
        menu.add(cbMenuItem);

        cbMenuItem = new JCheckBoxMenuItem("Menu's are cool");
        cbMenuItem.setMnemonic(KeyEvent.VK_H);
        cbMenuItem.addItemListener(this);
        menu.add(cbMenuItem);
/////////////////////////////////////////////////////////////
        //a submenu
        menu.addSeparator();
        submenu = new JMenu("A submenu");
        submenu.setMnemonic(KeyEvent.VK_S);

        menuItem = new JMenuItem("An item in the submenu");
        menuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_2, ActionEvent.ALT_MASK));
        menuItem.addActionListener(this);
        submenu.add(menuItem);

        menuItem = new JMenuItem("And Again");
        menuItem.addActionListener(this);
        submenu.add(menuItem);
        menu.add(submenu);
        
        
        return menuBar;
    }
    //////////////////////////////////////////////////////////
    public Container createContentPane() {
        //Create the content-pane-to-be.
        JPanel contentPane = new JPanel(new BorderLayout());
        contentPane.setOpaque(true); //allows window to be visible

        //Create a scrolled text area.
        output = new JTextArea(5, 30);
        output.setEditable(false);
        scrollPane = new JScrollPane(output);

        //Add the text area to the content pane.
        contentPane.add(scrollPane, BorderLayout.CENTER);

        return contentPane;
    }
    ///////////////////////////////////////////////////////////
    public ProgMenu() {
        super(new BorderLayout());

        //Create the demo's UI.
        startButton = new JMenuItem("Start");
        startButton.setActionCommand("start");
        startButton.addActionListener(this);

        progressBar = new JProgressBar(0, 100);
        progressBar.setValue(0);
        progressBar.setStringPainted(true);

        taskOutput = new JTextArea(5, 20);
        taskOutput.setMargin(new Insets(5,5,5,5));
        taskOutput.setEditable(false);

        JPanel panel = new JPanel();
        panel.add(startButton);
        panel.add(progressBar);

        add(panel, BorderLayout.PAGE_START);
        add(new JScrollPane(taskOutput), BorderLayout.CENTER);
        setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    }
	//////////////////////////////////////////////////////////////////
    public void actionPerformed(ActionEvent evt) {
        startButton.setEnabled(false);
        setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
        //Instances of javax.swing.SwingWorker are not reusable, so
        //we create new instances as needed.
        task = new Task();
        task.addPropertyChangeListener(this);
        task.execute();
    }

    public void propertyChange(PropertyChangeEvent evt) {
        if ("progress" == evt.getPropertyName()) {
            int progress = (Integer) evt.getNewValue();
            progressBar.setValue(progress);
            taskOutput.append(String.format("Completed %d%% of task.\n", task.getProgress())); //displays the change in the program
        } 
    }
///////////////////////////////////////////////////////////////////////
    private static void createAndShowGUI() {
        //Create and set up the window.
        JFrame frame = new JFrame("ProgressBarDemo");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        //Create and set up the content pane.
        JComponent newContentPane = new ProgMenu();
        newContentPane.setOpaque(true);
        frame.setContentPane(newContentPane);

        //Display the window.
        frame.pack();
        frame.setVisible(true);
        
        //Menu Code
        ProgMenu demo = new ProgMenu();
        frame.setJMenuBar(demo.createMenuBar());
         
    }
	
		public static void main(String[] args) {
	        //Schedule a job for the event-dispatching thread:
	        //creating and showing this application's GUI.
	        javax.swing.SwingUtilities.invokeLater(new Runnable() {
	            public void run() {
	                createAndShowGUI();
	            }
	        });
	    }
	}