/* $Id: UMLUserInterfaceComponent.java 17881 2010-01-12 21:09:28Z linus $
 *****************************************************************************
 * Copyright (c) 2009 Contributors - see below
 * 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:
 *    mvw
 *****************************************************************************
 *
 * Some portions of this file was previously release using the BSD License:
 */

// Copyright (c) 1996-2006 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
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package org.argouml.uml.ui;

/**
 * This interface accepts notification that a
 * container's target model element has been changed (typically due to
 * navigation).
 *
 * @author Curt Arnold
 */
public interface UMLUserInterfaceComponent {
    /**
     *  This method is called when the target of a UMLUserInterfaceContainer
     *  has been changed.
     */
    public void targetChanged();

    /**  This method is called when the navigation history has been changed
     *     (and navigation buttons may need to be updated).  targetChanged
     *     implies navigationHistoryChanged, so this method will not
     *     be called after a targetChange.
     */
    public void targetReasserted();
}