// **********************************************************************// // <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/gui/menu/MapHandlerMenuItem.java,v $// $RCSfile: MapHandlerMenuItem.java,v $// $Revision: 1.2.2.2 $// $Date: 2005/02/11 22:51:24 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.gui.menu;import java.beans.beancontext.BeanContext;import javax.swing.JMenuItem;import com.bbn.openmap.Environment;import com.bbn.openmap.I18n;import com.bbn.openmap.LightMapHandlerChild;import com.bbn.openmap.MapHandler;/** * A MapHandlerMenuItem is a JMenuItem that uses the MapHandler to * find objects it needs to operate. It's a LightMapHandlerChild so * that it's parent AbstractOpenMapMenu will provide the MapHandler * and other MapHandler objects to it. The MapHandlerMenuItem doesn't * really need to be added to the MapHandler unless something else * needs to find it from the MapHandler. Instead, it will see * everything else in the MapHandler. */public abstract class MapHandlerMenuItem extends JMenuItem implements        LightMapHandlerChild {    protected MapHandler mapHandler = null;    protected I18n i18n = Environment.getI18n();    public MapHandlerMenuItem(String title) {        super(title);    }    public void setMapHandler(BeanContext in_mapHandler) {        if (in_mapHandler instanceof MapHandler) {            mapHandler = (MapHandler) in_mapHandler;        }        setEnabled(mapHandler != null);    }    public MapHandler getMapHandler() {        return mapHandler;    }    public void findAndInit(Object someObj) {        if (someObj instanceof MapHandler) {            setMapHandler((MapHandler) someObj);        }    }    public void findAndUndo(Object someObj) {        if (someObj instanceof MapHandler) {            setMapHandler(null);        }    }}