/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O'Reilly
*/
// MenuActionExample.java
//This example create a menubar and toolbar both populated with Action
//objects.
//
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JToolBar;
import javax.swing.border.BevelBorder;
import javax.swing.border.EtchedBorder;
public class MenuActionExample extends JPanel {
public JMenuBar menuBar;
public JToolBar toolBar;
public MenuActionExample() {
super(true);
// Create a menu bar and give it a bevel border.
menuBar = new JMenuBar();
menuBar.setBorder(new BevelBorder(BevelBorder.RAISED));
// Create a menu and add it to the menu bar.
JMenu menu = new JMenu("Menu");
menuBar.add(menu);
// Create a toolbar and give it an etched border.
toolBar = new JToolBar();
toolBar.setBorder(new EtchedBorder());
// Instantiate a sample action with the NAME property of
// "Download" and the appropriate SMALL_ICON property.
SampleAction exampleAction = new SampleAction("Download",
new ImageIcon("action.gif"));
// Finally, add the sample action to the menu and the toolbar.
// These methods are no longer preferred:
// menu.add(exampleAction);
// toolBar.add(exampleAction);
// Instead, you should create actual menu items and buttons:
JMenuItem exampleItem = new JMenuItem(exampleAction);
JButton exampleButton = new JButton(exampleAction);
menu.add(exampleItem);
toolBar.add(exampleButton);
}
class SampleAction extends AbstractAction {
// This is our sample action. It must have an actionPerformed() method,
// which is called when the action should be invoked.
public SampleAction(String text, Icon icon) {
super(text, icon);
}
public void actionPerformed(ActionEvent e) {
System.out.println("Action [" + e.getActionCommand()
+ "] performed!");
}
}
public static void main(String s[]) {
MenuActionExample example = new MenuActionExample();
JFrame frame = new JFrame("Action Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setJMenuBar(example.menuBar);
frame.getContentPane().add(example.toolBar, BorderLayout.NORTH);
frame.setSize(200, 200);
frame.setVisible(true);
}
}