/* This file is part of RouteConverter. RouteConverter is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. RouteConverter 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 for more details. You should have received a copy of the GNU General Public License along with RouteConverter; if not, updatePreferences to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Copyright (C) 2007 Christian Pesch. All Rights Reserved. */ package slash.navigation.converter.gui.helpers; import javax.swing.*; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import java.util.prefs.Preferences; /** * Synchronizes the selected state of a checkbox with a preferences setting. * * @author Christian Pesch */ public class CheckBoxPreferencesSynchronizer implements ChangeListener { private final JCheckBox checkBox; private final Preferences preferences; private final String keyName; public CheckBoxPreferencesSynchronizer(JCheckBox checkBox, Preferences preferences, String keyName, boolean defaultValue) { this.checkBox = checkBox; this.preferences = preferences; this.keyName = keyName; initialize(defaultValue); } private void initialize(boolean defaultValue) { checkBox.setSelected(preferences.getBoolean(keyName, defaultValue)); checkBox.addChangeListener(this); } public void stateChanged(ChangeEvent e) { preferences.putBoolean(keyName, checkBox.isSelected()); } }