Java examples for Swing:JComponent
Returns the layered pane that is the top level container for the given component
/* Copyright (c) 2011 Danish Maritime Authority. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License.//from w w w. j av a 2 s . c om */ //package com.java2s; import java.awt.Window; import javax.swing.JComponent; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JLayeredPane; import javax.swing.JWindow; import javax.swing.SwingUtilities; public class Main { /** * Returns the layered pane that is the top level container for the * given component * * @param component the component to fetch the top level container for * @return the top level container */ public static JLayeredPane getTopLevelContainer(JComponent component) { Window window = SwingUtilities.windowForComponent(component); if (window instanceof JWindow) { return ((JWindow) window).getLayeredPane(); } else if (window instanceof JFrame) { return ((JFrame) window).getLayeredPane(); } else if (window instanceof JDialog) { return ((JDialog) window).getLayeredPane(); } return null; } }