1/*
2 * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25
26package com.sun.java.swing.action;
27
28import java.awt.event.ActionEvent;
29import java.awt.event.ActionListener;
30import javax.swing.AbstractAction;
31import javax.swing.Icon;
32
33public abstract class DelegateAction extends AbstractAction
34{
35
36    public DelegateAction(String name, Icon icon)
37    {
38        super(name, icon);
39    }
40
41    public void addActionListener(ActionListener listener)
42    {
43        this.listener = listener;
44    }
45
46    public void removeActionListener(ActionListener listener)
47    {
48        this.listener = null;
49    }
50
51    public ActionListener[] getActionListeners()
52    {
53        return (new ActionListener[] {
54            listener
55        });
56    }
57
58    public void actionPerformed(ActionEvent evt)
59    {
60        if(listener != null)
61            listener.actionPerformed(evt);
62    }
63
64    private ActionListener listener;
65}
66