Java tutorial
/* Definitive Guide to Swing for Java 2, Second Edition By John Zukowski ISBN: 1-893115-78-X Publisher: APress */ import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import javax.swing.ButtonGroup; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JCheckBoxMenuItem; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JRadioButtonMenuItem; import javax.swing.KeyStroke; public class MediumPopupSample { static class MenuActionListener implements ActionListener { public void actionPerformed(ActionEvent actionEvent) { System.out.println("Selected: " + actionEvent.getActionCommand()); } } public static void main(String args[]) { ActionListener menuListener = new MenuActionListener(); JFrame frame = new JFrame("MenuSample Example"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JMenuBar menuBar = new JMenuBar(); // File Menu, F - Mnemonic JMenu fileMenu = new JMenu("File"); fileMenu.setMnemonic(KeyEvent.VK_F); menuBar.add(fileMenu); // File->New, N - Mnemonic JMenuItem newMenuItem = new JMenuItem("New", KeyEvent.VK_N); newMenuItem.addActionListener(menuListener); fileMenu.add(newMenuItem); // File->Open, O - Mnemonic JMenuItem openMenuItem = new JMenuItem("Open", KeyEvent.VK_O); openMenuItem.addActionListener(menuListener); fileMenu.add(openMenuItem); // File->Close, C - Mnemonic JMenuItem closeMenuItem = new JMenuItem("Close", KeyEvent.VK_C); closeMenuItem.addActionListener(menuListener); fileMenu.add(closeMenuItem); // Separator fileMenu.addSeparator(); // File->Save, S - Mnemonic JMenuItem saveMenuItem = new JMenuItem("Save", KeyEvent.VK_S); saveMenuItem.addActionListener(menuListener); fileMenu.add(saveMenuItem); // Separator fileMenu.addSeparator(); // File->Exit, X - Mnemonic JMenuItem exitMenuItem = new JMenuItem("Exit", KeyEvent.VK_X); exitMenuItem.addActionListener(menuListener); fileMenu.add(exitMenuItem); // Edit Menu, E - Mnemonic JMenu editMenu = new JMenu("Edit"); editMenu.setMnemonic(KeyEvent.VK_E); menuBar.add(editMenu); // Edit->Cut, T - Mnemonic, CTRL-X - Accelerator JMenuItem cutMenuItem = new JMenuItem("Cut", KeyEvent.VK_T); cutMenuItem.addActionListener(menuListener); KeyStroke ctrlXKeyStroke = KeyStroke.getKeyStroke("control X"); cutMenuItem.setAccelerator(ctrlXKeyStroke); editMenu.add(cutMenuItem); // Edit->Copy, C - Mnemonic, CTRL-C - Accelerator JMenuItem copyMenuItem = new JMenuItem("Copy", KeyEvent.VK_C); copyMenuItem.addActionListener(menuListener); KeyStroke ctrlCKeyStroke = KeyStroke.getKeyStroke("control C"); copyMenuItem.setAccelerator(ctrlCKeyStroke); editMenu.add(copyMenuItem); // Edit->Paste, P - Mnemonic, CTRL-V - Accelerator, Disabled JMenuItem pasteMenuItem = new JMenuItem("Paste", KeyEvent.VK_P); pasteMenuItem.addActionListener(menuListener); KeyStroke ctrlVKeyStroke = KeyStroke.getKeyStroke("control V"); pasteMenuItem.setAccelerator(ctrlVKeyStroke); pasteMenuItem.setEnabled(false); editMenu.add(pasteMenuItem); // Separator editMenu.addSeparator(); // Edit->Find, F - Mnemonic, F3 - Accelerator JMenuItem findMenuItem = new JMenuItem("Find", KeyEvent.VK_F); findMenuItem.addActionListener(menuListener); KeyStroke f3KeyStroke = KeyStroke.getKeyStroke("F3"); findMenuItem.setAccelerator(f3KeyStroke); editMenu.add(findMenuItem); // Edit->Options Submenu, O - Mnemonic, at.gif - Icon Image File JMenu findOptionsMenu = new JMenu("Options"); Icon atIcon = new ImageIcon("at.gif"); findOptionsMenu.setIcon(atIcon); findOptionsMenu.setMnemonic(KeyEvent.VK_O); // ButtonGroup for radio buttons ButtonGroup directionGroup = new ButtonGroup(); // Edit->Options->Forward, F - Mnemonic, in group JRadioButtonMenuItem forwardMenuItem = new JRadioButtonMenuItem("Forward", true); forwardMenuItem.addActionListener(menuListener); forwardMenuItem.setMnemonic(KeyEvent.VK_F); findOptionsMenu.add(forwardMenuItem); directionGroup.add(forwardMenuItem); // Edit->Options->Backward, B - Mnemonic, in group JRadioButtonMenuItem backwardMenuItem = new JRadioButtonMenuItem("Backward"); backwardMenuItem.addActionListener(menuListener); backwardMenuItem.setMnemonic(KeyEvent.VK_B); findOptionsMenu.add(backwardMenuItem); directionGroup.add(backwardMenuItem); // Separator findOptionsMenu.addSeparator(); // Edit->Options->Case Sensitive, C - Mnemonic JCheckBoxMenuItem caseMenuItem = new JCheckBoxMenuItem("Case Sensitive"); caseMenuItem.addActionListener(menuListener); caseMenuItem.setMnemonic(KeyEvent.VK_C); findOptionsMenu.add(caseMenuItem); editMenu.add(findOptionsMenu); frame.setJMenuBar(menuBar); frame.setSize(350, 250); frame.setVisible(true); } }