--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet005MenuUpdater.d	Sun Apr 19 11:33:55 2009 +0200
@@ -0,0 +1,85 @@
+/*******************************************************************************
+ * Copyright (c) 2006, 2007 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *     Brad Reynolds - bug 116920
+ *******************************************************************************/
+package org.eclipse.jface.examples.databinding.snippets;
+
+import java.util.Date;
+import java.util.Iterator;
+
+import org.eclipse.core.databinding.observable.Realm;
+import org.eclipse.core.databinding.observable.list.WritableList;
+import org.eclipse.jface.databinding.swt.SWTObservables;
+import org.eclipse.jface.internal.databinding.provisional.swt.MenuUpdater;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.swt.widgets.MenuItem;
+import org.eclipse.swt.widgets.Shell;
+
+/**
+ */
+public class Snippet005MenuUpdater {
+	public static void main(String[] args) {
+		final Display display = new Display();
+		Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
+			public void run() {
+				Shell shell = new Shell(display);
+
+				final WritableList menuItemStrings = new WritableList();
+				display.asyncExec(new Runnable() {
+					public void run() {
+						System.out.println("adding item");
+						menuItemStrings.add(new Date().toString());
+						display.timerExec(5000, this);
+					}
+				});
+
+				Menu bar = new Menu(shell, SWT.BAR);
+				shell.setMenuBar(bar);
+				MenuItem fileItem = new MenuItem(bar, SWT.CASCADE);
+				fileItem.setText("&Test Menu");
+				final Menu submenu = new Menu(shell, SWT.DROP_DOWN);
+				fileItem.setMenu(submenu);
+				new MenuUpdater(submenu) {
+					protected void updateMenu() {
+						System.out.println("updating menu");
+						MenuItem[] items = submenu.getItems();
+						int itemIndex = 0;
+						for (Iterator it = menuItemStrings.iterator(); it
+								.hasNext();) {
+							MenuItem item;
+							if (itemIndex < items.length) {
+								item = items[itemIndex++];
+							} else {
+								item = new MenuItem(submenu, SWT.NONE);
+							}
+							String string = (String) it.next();
+							item.setText(string);
+						}
+						while (itemIndex < items.length) {
+							items[itemIndex++].dispose();
+						}
+					}
+				};
+
+				shell.open();
+
+				// The SWT event loop
+				while (!shell.isDisposed()) {
+					if (!display.readAndDispatch()) {
+						display.sleep();
+					}
+				}
+			}
+		});
+		display.dispose();
+	}
+}