nextapp.echo.app.button.DefaultToggleButtonModel Maven / Gradle / Ivy
/*
* This file is part of the Echo Web Application Framework (hereinafter "Echo").
* Copyright (C) 2002-2009 NextApp, Inc.
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*/
package nextapp.echo.app.button;
import java.util.EventListener;
import nextapp.echo.app.event.ChangeEvent;
import nextapp.echo.app.event.ChangeListener;
/**
* Default ToggleButtonModel implementation.
*/
public class DefaultToggleButtonModel extends DefaultButtonModel
implements ToggleButtonModel {
/** Serial Version UID. */
private static final long serialVersionUID = 20070101L;
private boolean selected;
/**
* @see nextapp.echo.app.button.ToggleButtonModel#addChangeListener(nextapp.echo.app.event.ChangeListener)
*/
public void addChangeListener(ChangeListener l) {
getEventListenerList().addListener(ChangeListener.class, l);
}
/**
* Notifies all listeners that have registered for this event type.
*/
public void fireStateChanged() {
EventListener[] listeners = getEventListenerList().getListeners(ChangeListener.class);
ChangeEvent e = new ChangeEvent(this);
for (int index = 0; index < listeners.length; ++index) {
((ChangeListener) listeners[index]).stateChanged(e);
}
}
/**
* @see nextapp.echo.app.button.ToggleButtonModel#isSelected()
*/
public boolean isSelected() {
return selected;
}
/**
* @see nextapp.echo.app.button.ToggleButtonModel#removeChangeListener(nextapp.echo.app.event.ChangeListener)
*/
public void removeChangeListener(ChangeListener l) {
getEventListenerList().removeListener(ChangeListener.class, l);
}
/**
* @see nextapp.echo.app.button.ToggleButtonModel#setSelected(boolean)
*/
public void setSelected(boolean selected) {
if (this.selected == selected) {
return;
}
this.selected = selected;
fireStateChanged();
}
}