package Lab13;

import javax.swing.*;

import java.awt.*;
import java.awt.event.*;

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.";

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

		// get contentPane and set layout of the window
		Container contentPane = 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 menuBar
		mBar.add(viewMenu);
		// ****ADD THE viewMenu TO THE MENU BAR HERE
		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);
		// JScrollPane Object named scrolledText
		scrolledText = new JScrollPane(theText);
		// ****AND PASS IN theText, THEN
		// ****CHANGE THE LINE BELOW BY PASSING IN scrolledText
		textPanel.add(theText);
		textPanel.add(scrolledText);
		contentPane.add(textPanel, BorderLayout.CENTER);
	}

	/**
	 * creates vertical menu associated with Notes menu item on menu bar
	 */
	public void createNotes() {
		notesMenu = new JMenu("Notes");
		JMenuItem item;

		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() {
		viewMenu = new JMenu("Views");
		JMenuItem item;

		lafMenu = new JMenu("Look and Feel");
		lafMenu.addActionListener(new MenuListener());
		viewMenu.add(lafMenu);

		item = new JMenuItem("Metal");
		item.addActionListener(new MenuListener());
		lafMenu.add(item);

		item = new JMenuItem("Motif");
		item.addActionListener(new MenuListener());
		lafMenu.add(item);

		item = new JMenuItem("Windows");
		item.addActionListener(new MenuListener());
		lafMenu.add(item);

		sbMenu = new JMenu("Scroll Bars");
		sbMenu.addActionListener(new MenuListener());
		viewMenu.add(sbMenu);

		item = new JMenuItem("Never");
		item.addActionListener(new MenuListener());
		sbMenu.add(item);

		item = new JMenuItem("Always");
		item.addActionListener(new MenuListener());
		sbMenu.add(item);

		item = new JMenuItem("As Needed");
		item.addActionListener(new MenuListener());
		sbMenu.add(item);
	}

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

	}

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

	}

	private class MenuListener implements ActionListener {

		public void actionPerformed(ActionEvent e) {
			String actionCommand = e.getActionCommand();
			String laf = "";
			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);
			// Actions for scrollBars
			else if (actionCommand.equals("Never"))
				scrolledText
						.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
			else if (actionCommand.equals("Always"))
				scrolledText
						.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
			else if (actionCommand.equals("As Needed"))
				scrolledText
						.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
			// Actions for LookAndFeel
			else if (actionCommand.equals("Metal"))
				laf = "javax.swing.plaf.metal.MetalLookAndFeel";
			else if (actionCommand.equals("Motif"))
				laf = "com.sun.java.swing.plaf.motif.MotifLookAndFeel";
			else if (actionCommand.equals("Windows"))
				laf = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
			try {
				UIManager.setLookAndFeel(laf);
				SwingUtilities.updateComponentTreeUI(rootPane);
			} catch (Exception excep) {

				theText.setText("Error in memo interface");

			}
		}
	}

	public static void main(String[] args) {
		NoteTaker gui = new NoteTaker();
		gui.setVisible(true);
	}
}