?? maphandlermenuitem.java
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// **********************************************************************// // <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); } }}
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