Java Popup Menu

Chapter: Swing Last Updated: 14-10-2016 12:41:06 UTC

Program:

            /* ............... START ............... */
                
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;

public class JavaPopupMenu extends JFrame {

	private JPopupMenu pmenu;

	public JavaPopupMenu() {

		initUI();
	}

	private void initUI() {

		createPopupMenu();

		setTitle("JPopupMenu");
		setSize(300, 250);
		setLocationRelativeTo(null);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

	private void createPopupMenu() {

		pmenu = new JPopupMenu();

		JMenuItem maxMi = new JMenuItem("Maximize");
		maxMi.addActionListener((ActionEvent e) -> {
			if (getExtendedState() != JFrame.MAXIMIZED_BOTH) {
				setExtendedState(JFrame.MAXIMIZED_BOTH);
			}
		});

		pmenu.add(maxMi);

		JMenuItem quitMi = new JMenuItem("Quit");
		quitMi.addActionListener((ActionEvent e) -> {
			System.exit(0);
		});

		pmenu.add(quitMi);

		addMouseListener(new MouseAdapter() {

			@Override
			public void mouseReleased(MouseEvent e) {

				if (e.getButton() == MouseEvent.BUTTON3) {
					pmenu.show(e.getComponent(), e.getX(), e.getY());
				}
			}
		});
	}

	public static void main(String[] args) {

		EventQueue.invokeLater(() -> {
			JavaPopupMenu pm = new JavaPopupMenu();
			pm.setVisible(true);
		});
	}
}
                /* ............... END ............... */
        

Output


Java Popup Menu

Notes:

  • Popup Menu is also called a context menu and usually shown when we right click on a component. The idea is to provide only the commands that are relevant in the current context.

Tags

Popup Menu, Swing, Java

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