// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// // $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/event/NullMouseMode.java,v $// $RCSfile: NullMouseMode.java,v $// $Revision: 1.2.2.1 $// $Date: 2004/10/14 18:26:45 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.event;/** * The NullMouseMode takes no action on mouse events and does not keep * a list of map mouse listeners. It is intended to be used when you * need a mouse mode that does nothing as an alternative to one that * does something. If you don't have one that does something you don't * need any MouseModes at all. */public class NullMouseMode extends AbstractMouseMode {    /**     * Mouse Mode identifier, which is "None".     */    public final static transient String modeID = "None".intern();    /**     * Construct a NullMouseMode. Default constructor sets the ID to     * the modeID string and the consume events parameter to true.     */    public NullMouseMode() {        this(modeID, true);    }    /**     * Construct a NullMouseMode. Constructor that lets you set the     * name and the consume mode.     *      * @param id the ID name.     * @param consumeEvents the consume mode.     */    public NullMouseMode(String id, boolean consumeEvents) {        super(id, consumeEvents);    }    /**     * IGNORED.     */    public void addMapMouseListener(MapMouseListener mml) {}    /**     * IGNORED.     */    public void removeMapMouseListener(MapMouseListener mml) {}}