001: /*
002: * This file is part of the Echo Web Application Framework (hereinafter "Echo").
003: * Copyright (C) 2002-2005 NextApp, Inc.
004: *
005: * Version: MPL 1.1/GPL 2.0/LGPL 2.1
006: *
007: * The contents of this file are subject to the Mozilla Public License Version
008: * 1.1 (the "License"); you may not use this file except in compliance with
009: * the License. You may obtain a copy of the License at
010: * http://www.mozilla.org/MPL/
011: *
012: * Software distributed under the License is distributed on an "AS IS" basis,
013: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
014: * for the specific language governing rights and limitations under the
015: * License.
016: *
017: * Alternatively, the contents of this file may be used under the terms of
018: * either the GNU General Public License Version 2 or later (the "GPL"), or
019: * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
020: * in which case the provisions of the GPL or the LGPL are applicable instead
021: * of those above. If you wish to allow use of your version of this file only
022: * under the terms of either the GPL or the LGPL, and not to allow others to
023: * use your version of this file under the terms of the MPL, indicate your
024: * decision by deleting the provisions above and replace them with the notice
025: * and other provisions required by the GPL or the LGPL. If you do not delete
026: * the provisions above, a recipient may use your version of this file under
027: * the terms of any one of the MPL, the GPL or the LGPL.
028: */
029:
030: package nextapp.echo2.app.button;
031:
032: import java.util.EventListener;
033:
034: import nextapp.echo2.app.event.ActionEvent;
035: import nextapp.echo2.app.event.ActionListener;
036: import nextapp.echo2.app.event.EventListenerList;
037:
038: /**
039: * Default <code>ButtonModel</code> implementation.
040: */
041: public class DefaultButtonModel implements ButtonModel {
042:
043: private EventListenerList listenerList = new EventListenerList();
044: private String actionCommand;
045:
046: /**
047: * @see nextapp.echo2.app.button.ButtonModel#addActionListener(nextapp.echo2.app.event.ActionListener)
048: */
049: public void addActionListener(ActionListener l) {
050: listenerList.addListener(ActionListener.class, l);
051: }
052:
053: /**
054: * @see nextapp.echo2.app.button.ButtonModel#doAction()
055: */
056: public void doAction() {
057: fireActionPerformed(new ActionEvent(this , getActionCommand()));
058: }
059:
060: /**
061: * Notifies registered <code>ActionListener</code>s of an
062: * <code>ActionEvent</code>.
063: *
064: * @param e The <code>ActionEvent</code> to send.
065: */
066: public void fireActionPerformed(ActionEvent e) {
067: EventListener[] listeners = listenerList
068: .getListeners(ActionListener.class);
069: for (int index = 0; index < listeners.length; ++index) {
070: ((ActionListener) listeners[index]).actionPerformed(e);
071: }
072: }
073:
074: /**
075: * @see nextapp.echo2.app.button.ButtonModel#getActionCommand()
076: */
077: public String getActionCommand() {
078: return actionCommand;
079: }
080:
081: /**
082: * Returns the local <code>EventListenerList</code>.
083: *
084: * @return the listener list
085: */
086: protected EventListenerList getEventListenerList() {
087: return listenerList;
088: }
089:
090: /**
091: * @see nextapp.echo2.app.button.ButtonModel#removeActionListener(nextapp.echo2.app.event.ActionListener)
092: */
093: public void removeActionListener(ActionListener l) {
094: listenerList.removeListener(ActionListener.class, l);
095: }
096:
097: /**
098: * @see nextapp.echo2.app.button.ButtonModel#setActionCommand(java.lang.String)
099: */
100: public void setActionCommand(String actionCommand) {
101: this.actionCommand = actionCommand;
102: }
103: }
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