1 package com.explosion.expf;
2
3 /* =============================================================================
4 *
5 * Copyright 2004 Stephen Cowx
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 * =============================================================================
20 */
21
22 import java.awt.event.ActionListener;
23 import java.util.Map;
24
25 /***
26 * Author: Stephen Cowx
27 * Date: Dec 15, 2002
28 * Time: 1:29:35 PM
29 */
30
31 public interface ExpActionListener extends ActionListener
32 {
33 /***
34 * This method should return a Map whose keys are a list of events which
35 * your implementation of the actionListener listens for. It is used by the
36 * ExpCompound Listener for deciding whether or not to send an event to your
37 * listener. This allows it to make some performance optimisations. If this
38 * method is not properly implemented then it is highly unlikely that any events
39 * will be sent to your listener.
40 * @return
41 */
42 public Map getListensFor();
43
44 }