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Java > Open Source Codes > nextapp > echo2 > app > button > ButtonModel


1 /*
2  * This file is part of the Echo Web Application Framework (hereinafter "Echo").
3  * Copyright (C) 2002-2005 NextApp, Inc.
4  *
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * Alternatively, the contents of this file may be used under the terms of
18  * either the GNU General Public License Version 2 or later (the "GPL"), or
19  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20  * in which case the provisions of the GPL or the LGPL are applicable instead
21  * of those above. If you wish to allow use of your version of this file only
22  * under the terms of either the GPL or the LGPL, and not to allow others to
23  * use your version of this file under the terms of the MPL, indicate your
24  * decision by deleting the provisions above and replace them with the notice
25  * and other provisions required by the GPL or the LGPL. If you do not delete
26  * the provisions above, a recipient may use your version of this file under
27  * the terms of any one of the MPL, the GPL or the LGPL.
28  */
29
30 package nextapp.echo2.app.button;
31
32 import java.io.Serializable JavaDoc;
33
34 import nextapp.echo2.app.event.ActionListener;
35
36 /**
37  * Model for button components.
38  */
39 public interface ButtonModel
40 extends Serializable JavaDoc {
41
42     /**
43      * Adds an <code>ActionListener</code> to receive notification of user
44      * actions, i.e., button presses.
45      *
46      * @param l the listener to add
47      */
48     public void addActionListener(ActionListener l);
49     
50     /**
51      * Notifies the model of the button's action having been invoked.
52      */
53     public void doAction();
54
55     /**
56      * Returns the action command.
57      *
58      * @return the action command
59      */
60     public String JavaDoc getActionCommand();
61
62     /**
63      * Removes an <code>ActionListener</code> from being notified of user
64      * actions, i.e., button presses.
65      *
66      * @param l the listener to remove
67      */
68     public void removeActionListener(ActionListener l);
69     
70     /**
71      * Sets the action command.
72      *
73      * @param newValue the new action command
74      */
75     public void setActionCommand(String JavaDoc newValue);
76 }
77
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