1 files changed, 40 insertions, 0 deletions
diff --git a/docs/modules/ROOT/examples/observer/Button.java b/docs/modules/ROOT/examples/observer/Button.java
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+++ b/docs/modules/ROOT/examples/observer/Button.java
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+/*
+Copyright (c) Xerox Corporation 1998-2002.  All rights reserved.
+
+Use and copying of this software and preparation of derivative works based
+upon this software are permitted.  Any distribution of this software or
+derivative works must comply with all applicable United States export control
+laws.
+
+This software is made available AS IS, and Xerox Corporation makes no warranty
+about the software, its performance or its conformity to any specification.
+*/
+
+
+package observer;
+
+import java.awt.Color;
+import java.awt.event.ActionListener;
+import java.awt.event.ActionEvent;
+
+class Button extends java.awt.Button {
+
+    static final Color  defaultBackgroundColor = Color.gray;
+    static final Color  defaultForegroundColor = Color.black;
+    static final String defaultText = "cycle color";
+
+    Button(Display display) {
+        super();
+        setLabel(defaultText);
+        setBackground(defaultBackgroundColor);
+        setForeground(defaultForegroundColor);
+        addActionListener(new ActionListener() {
+                public void actionPerformed(ActionEvent e) {
+                    Button.this.click();
+                }
+            });
+        display.addToFrame(this);
+    }
+
+    public void click() {}
+}