import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.JFileChooser;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

public class MainMenu extends JMenuBar
{

	private MainFrame mf;
	private DrawPanel panel;

	// creating list of options in file menu
	private JMenuItem jmOpenFile = new JMenuItem("Open...");

	/**
	 * main menu on the top with three buttons File, Edit and Edit image
	 */
	public MainMenu(MainFrame mf, DrawPanel dp)
	{
		this.mf = mf;
		panel = dp;
		// adding button to the top menu
		JMenu fileMenu = new JMenu("File");
		this.add(fileMenu);
		fileMenu.add(jmOpenFile);
		initFile();
	}

	private void initFile()
	{
		// here i open image from file
		jmOpenFile.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{

				JFileChooser openFile = new JFileChooser();
				int result = openFile.showOpenDialog(openFile);

				if (result == JFileChooser.APPROVE_OPTION)
				{
					File file = openFile.getSelectedFile();
					String pathName = file.getAbsolutePath();
					File imageFile = new File(pathName);

					try
					{
						// here i read image from file and want to use method from drawPanel to display image on the DrawPanel
						BufferedImage image = ImageIO.read(imageFile);
						Dimension imageSize = new Dimension(image.getWidth(),
								image.getHeight());
						panel.setPreferredSize(imageSize);
						panel.repaint();
					}
					catch (IOException e1)
					{
						e1.printStackTrace();
					}
				}
			}
		});
	}
}