/* * Copyright (C) 2006-2007 Sun Microsystems, Inc. All rights reserved. Use is * subject to license terms. */package org.jdesktop.observablecollections;import java.util.EventListener;import java.util.List;/** * Notification types from an {@code ObservableList}. * * @author sky */public interface ObservableListListener extends EventListener {    /**     * Notification that elements have been added to the list.     *     * @param list the {@code ObservableList} that has changed     * @param index the index the elements were added to     * @param length the number of elements that were added     */    public void listElementsAdded(ObservableList list, int index, int length);    /**     * Notification that elements have been removed from the list.     *     * @param list the {@code ObservableList} that has changed     * @param index the starting index the elements were removed from     * @param oldElements a list containing the elements that were removed.     */    public void listElementsRemoved(ObservableList list, int index,                                    List oldElements);    /**     * Notification that an element has been replaced by another in the list.     *     * @param list the {@code ObservableList} that has changed     * @param index the index of the element that was replaced     * @param oldElement the element at the index before the change     */    public void listElementReplaced(ObservableList list, int index,                                    Object oldElement);    /**     * Notification than a property of an element in this list has changed.     * Not all {@code ObservableLists} support this notification. Only     * observable lists that return {@code true} from     * {@code supportsElementPropertyChanged} send this notification.     *     * @param list the {@code ObservableList} that has changed     * @param index the index of the element that changed     */    public void listElementPropertyChanged(ObservableList list, int index);}