/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.tools.visualvm.modules.appui.welcome;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.prefs.Preferences;
import org.openide.util.NbPreferences;
/**
*
* @author S. Aubrecht
*/
public class WelcomeOptions {
private static WelcomeOptions theInstance;
private static final String PROP_SHOW_ON_STARTUP = "showOnStartup";
private PropertyChangeSupport propSupport;
/** Creates a new instance of WelcomeOptions */
private WelcomeOptions() {
}
private Preferences prefs() {
return NbPreferences.forModule(WelcomeOptions.class);
}
public static synchronized WelcomeOptions getDefault() {
if( null == theInstance ) {
theInstance = new WelcomeOptions();
}
return theInstance;
}
public void setShowOnStartup( boolean show ) {
boolean oldVal = isShowOnStartup();
prefs().putBoolean(PROP_SHOW_ON_STARTUP, show);
if( null != propSupport )
propSupport.firePropertyChange( PROP_SHOW_ON_STARTUP, oldVal, show );
}
public boolean isShowOnStartup() {
return prefs().getBoolean(PROP_SHOW_ON_STARTUP, true);
}
public void addPropertyChangeListener( PropertyChangeListener l ) {
if( null == propSupport )
propSupport = new PropertyChangeSupport( this );
propSupport.addPropertyChangeListener( l );
}
public void removePropertyChangeListener( PropertyChangeListener l ) {
if( null == propSupport )
return;
propSupport.removePropertyChangeListener( l );
}
}