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/*******************************************************************************
 * Copyright (c) 2000, 2010 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.draw2d;

/**
 * An event for property changes. Includes the source of the event as well as
 * the name of the property that has changed.
 */
public class ChangeEvent extends java.util.EventObject {

	private String property;

	/**
	 * Constructs a new ChangeEvent with the given object as the source of the
	 * event.
	 * 
	 * @param source
	 *            The source of the event
	 */
	public ChangeEvent(Object source) {
		super(source);
	}

	/**
	 * Constructs a new ChangeEvent with the given source object and property
	 * name.
	 * 
	 * @param source
	 *            The source of the event
	 * @param property
	 *            The property name
	 */
	public ChangeEvent(Object source, String property) {
		super(source);
		setPropertyName(property);
	}

	/**
	 * Returns the name of the property that has changed.
	 * 
	 * @return String the name of the property that has changed
	 */
	public String getPropertyName() {
		return property;
	}

	/**
	 * Sets the name of the property that has changed.
	 * 
	 * @param string
	 *            The property name
	 */
	protected void setPropertyName(String string) {
		property = string;
	}

}