Java tutorial
//package com.java2s; /* * Copyright (c) 2005-2016 Vincent Vandenschrick. All rights reserved. * * This file is part of the Jspresso framework. * * Jspresso 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 3 of the License, or * (at your option) any later version. * * Jspresso 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 Jspresso. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.Component; import java.awt.Window; import javax.swing.JInternalFrame; public class Main { /** * Gets the window or the internal frame holding the component. * * @param component * the component to look the window or internal frame for. * @return the window (frame or dialog) or the internal frame in the component * hierarchy. */ public static Component getWindowOrInternalFrame(Component component) { if ((component instanceof Window) || (component instanceof JInternalFrame)) { return component; } if (component != null) { return getWindowOrInternalFrame(component.getParent()); } return null; } }