import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

/*********************************************************************
 * @author
 * @version Apr 22, 2014
 *
 ********************************************************************/
public class NoteTaker extends JFrame
{
    // constants for set up of note taking area
    public static final int WIDTH         = 600;
    public static final int HEIGHT        = 300;
    public static final int LINES         = 13;
    public static final int CHAR_PER_LINE = 45;

    // objects in GUI
    private JTextArea       theText;                 // area to take notes
    private JMenuBar        mBar;                    // horizontal menu bar
    private JPanel          textPanel;               // panel to hold scrolling text area
    private JMenu           notesMenu;               // vertical menu with choices for
                                                     // notes

    // ****THESE ITEMS ARE NOT YET USED. YOU WILL BE CREATING THEM IN THIS LAB
    private JMenu           viewMenu;                // vertical menu with choices for
                                                     // views
    private JMenu           lafMenu;                 // vertical menu with look and feel
    private JMenu           sbMenu;                  // vertical menu with scroll bar
                                                     // option
    private JScrollPane     scrolledText;            // scroll bars

    // default notes
    private String          note1         = "No Note 1.";
    private String          note2         = "No Note 2.";

    /*********************************************************************
     * @param args unused in this application
     ********************************************************************/
    public static void main(String[] args)
    {
        NoteTaker gui = new NoteTaker();
        gui.setVisible(true);
    }

    /*********************************************************************
     * constructor
     ********************************************************************/
    public NoteTaker()
    {
        // create a closeable JFrame with a specific size
        super("Note Taker");
        this.setSize(WIDTH, HEIGHT);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        // get contentPane and set layout of the window
        Container contentPane = this.getContentPane();
        contentPane.setLayout(new BorderLayout());

        // creates the vertical menus
        createNotes();
        createViews();

        // creates horizontal menu bar and
        // adds vertical menus to it
        mBar = new JMenuBar();
        mBar.add(notesMenu);
        // ****ADD THE viewMenu TO THE MENU BAR HERE
        this.setJMenuBar(mBar);

        // creates a panel to take notes on
        textPanel = new JPanel(); 
        textPanel.setBackground(Color.blue);
        theText = new JTextArea(LINES, CHAR_PER_LINE);
        theText.setBackground(Color.white);
        // ****CREATE A JScrollPane OBJECT HERE CALLED scrolledText
        // ****AND PASS IN theText, THEN
        // ****CHANGE THE LINE BELOW BY PASSING IN scrolledText
        textPanel.add(theText);
        contentPane.add(textPanel, BorderLayout.CENTER);
    }

    /********************************************************************
     * creates vertical menu associated with Notes menu item on menu bar
     ********************************************************************/
    public void createNotes()
    {
        JMenuItem item;

        notesMenu = new JMenu("Notes");

        item = new JMenuItem("Save Note 1");
        item.addActionListener(new MenuListener());
        notesMenu.add(item);

        item = new JMenuItem("Save Note 2");
        item.addActionListener(new MenuListener());
        notesMenu.add(item);

        item = new JMenuItem("Open Note 1");
        item.addActionListener(new MenuListener());
        notesMenu.add(item);

        item = new JMenuItem("Open Note 2");
        item.addActionListener(new MenuListener());
        notesMenu.add(item);

        item = new JMenuItem("Clear");
        item.addActionListener(new MenuListener());
        notesMenu.add(item);

        item = new JMenuItem("Exit");
        item.addActionListener(new MenuListener());
        notesMenu.add(item);
    }

    /***********************************************************************
     * creates vertical menu associated with Views menu item on the menu bar
     **********************************************************************/
    public void createViews()
    {

    }

    /***********************************************************************
     * creates the look and feel submenu
     ***********************************************************************/
    public void createLookAndFeel()
    {

    }

    /***********************************************************************
     * creates the scroll bars submenu
     ************************************************************************/
    public void createScrollBars()
    {

    }

    /*********************************************************************
     * @author arch
     * @version Apr 22, 2014
     * 
     ********************************************************************/
    private class MenuListener implements ActionListener
    {

        /********************************************************************
         * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
         * 
         * @param e The action event
         ********************************************************************/
        public void actionPerformed(ActionEvent e)
        {
            String actionCommand = e.getActionCommand();
            if ( actionCommand.equals("Save Note 1") )
                note1 = theText.getText();
            else if ( actionCommand.equals("Save Note 2") )
                note2 = theText.getText();
            else if ( actionCommand.equals("Clear") )
                theText.setText("");
            else if ( actionCommand.equals("Open Note 1") )
                theText.setText(note1);
            else if ( actionCommand.equals("Open Note 2") )
                theText.setText(note2);
            else if ( actionCommand.equals("Exit") )
                System.exit(0);
            // ****ADD 6 BRANCHES TO THE ELSE-IF STRUCTURE
            // ****TO ALLOW ACTION TO BE PERFORMED FOR EACH
            // ****MENU ITEM YOU HAVE CREATED
            else
                theText.setText("Error in memo interface");
        }
    }
}