Here you can find the source of makePopupMenu(JPopupMenu menu, List menuItems)
Parameter | Description |
---|---|
menu | The menu |
menuItems | List of either, JMenu, JMenuItem or MENU_SEPARATOR |
public static JPopupMenu makePopupMenu(JPopupMenu menu, List menuItems)
//package com.java2s; /*/*from w ww. j a va 2 s .c o m*/ * $Id: GuiUtils.java,v 1.317 2007/08/10 14:26:33 jeffmc Exp $ * * Copyright 1997-2016 Unidata Program Center/University Corporation for * Atmospheric Research, P.O. Box 3000, Boulder, CO 80307, * support@unidata.ucar.edu. * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or (at * your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser * General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; if not, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.util.List; import javax.swing.*; public class Main { /** Separator flag */ public static final String MENU_SEPARATOR = "separator"; /** * Create a JPopupMenu and add the menus contained with the menus list * If no menus then return null. * * @param menu The menu * @param menuItems List of either, JMenu, JMenuItem or MENU_SEPARATOR * @return The given menu */ public static JPopupMenu makePopupMenu(JPopupMenu menu, List menuItems) { if ((menuItems == null) || (menuItems.size() == 0)) { return null; } for (int i = 0; i < menuItems.size(); i++) { Object o = menuItems.get(i); if (o.toString().equals(MENU_SEPARATOR)) { menu.addSeparator(); } else if (o instanceof JMenuItem) { menu.add((JMenuItem) o); } else if (o instanceof JMenu) { menu.add((JMenu) o); } } return menu; } /** * Create a JPopupMenu and add the menus contained with the menus list * If no menus then return null. * * @param menuItems List of either, JMenu, JMenuItem or MENU_SEPARATOR * @return The new popup menu */ public static JPopupMenu makePopupMenu(List menuItems) { return makePopupMenu(new JPopupMenu(), menuItems); } }