/* Copyright (c) 2010, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.logisim.prefs;
import java.util.prefs.PreferenceChangeEvent;
import java.util.prefs.Preferences;
class PrefMonitorBoolean extends AbstractPrefMonitor<Boolean> {
private boolean dflt;
private boolean value;
PrefMonitorBoolean(String name, boolean dflt) {
super(name);
this.dflt = dflt;
this.value = dflt;
Preferences prefs = AppPreferences.getPrefs();
set(Boolean.valueOf(prefs.getBoolean(name, dflt)));
prefs.addPreferenceChangeListener(this);
}
public Boolean get() {
return Boolean.valueOf(value);
}
@Override
public boolean getBoolean() {
return value;
}
public void set(Boolean newValue) {
boolean newVal = newValue.booleanValue();
if (value != newVal) {
AppPreferences.getPrefs().putBoolean(getIdentifier(), newVal);
}
}
public void preferenceChange(PreferenceChangeEvent event) {
Preferences prefs = event.getNode();
String prop = event.getKey();
String name = getIdentifier();
if (prop.equals(name)) {
boolean oldValue = value;
boolean newValue = prefs.getBoolean(name, dflt);
if (newValue != oldValue) {
value = newValue;
AppPreferences.firePropertyChange(name, oldValue, newValue);
}
}
}
}