01: /*
02: * This file is part of the Echo Web Application Framework (hereinafter "Echo").
03: * Copyright (C) 2002-2005 NextApp, Inc.
04: *
05: * Version: MPL 1.1/GPL 2.0/LGPL 2.1
06: *
07: * The contents of this file are subject to the Mozilla Public License Version
08: * 1.1 (the "License"); you may not use this file except in compliance with
09: * 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;
33:
34: import nextapp.echo2.app.event.ActionListener;
35:
36: /**
37: * Model for button components.
38: */
39: public interface ButtonModel extends Serializable {
40:
41: /**
42: * Adds an <code>ActionListener</code> to receive notification of user
43: * actions, i.e., button presses.
44: *
45: * @param l the listener to add
46: */
47: public void addActionListener(ActionListener l);
48:
49: /**
50: * Notifies the model of the button's action having been invoked.
51: */
52: public void doAction();
53:
54: /**
55: * Returns the action command.
56: *
57: * @return the action command
58: */
59: public String getActionCommand();
60:
61: /**
62: * Removes an <code>ActionListener</code> from being notified of user
63: * actions, i.e., button presses.
64: *
65: * @param l the listener to remove
66: */
67: public void removeActionListener(ActionListener l);
68:
69: /**
70: * Sets the action command.
71: *
72: * @param newValue the new action command
73: */
74: public void setActionCommand(String newValue);
75: }
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