ObservableModel.java

/*-
 * Copyright © 2013 Diamond Light Source Ltd.
 *
 * This file is part of GDA.
 *
 * GDA is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License version 3 as published by the Free
 * Software Foundation.
 *
 * GDA 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 GDA. If not, see <http://www.gnu.org/licenses/>.
 */

package uk.ac.gda.beans;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

public class ObservableModel {

	private transient final PropertyChangeSupport changeSupport =
			new PropertyChangeSupport(this);

	public void addPropertyChangeListener(PropertyChangeListener
			listener) {
		changeSupport.addPropertyChangeListener(listener);
	}

	public void removePropertyChangeListener(PropertyChangeListener
			listener) {
		changeSupport.removePropertyChangeListener(listener);
	}

	public void addPropertyChangeListener(String propertyName,
			PropertyChangeListener listener) {
		changeSupport.addPropertyChangeListener(propertyName, listener);
	}

	public void removePropertyChangeListener(String propertyName,
			PropertyChangeListener listener) {
		changeSupport.removePropertyChangeListener(propertyName, listener);
	}

	public void clearListeners() {
		for(PropertyChangeListener object : changeSupport.getPropertyChangeListeners()) {
			changeSupport.removePropertyChangeListener(object);
		}
	}

	protected void firePropertyChange(String propertyName,
			Object oldValue,
			Object newValue) {
		changeSupport.firePropertyChange(propertyName, oldValue, newValue);
	}
}