/* * Copyright (c) 1999, 2023, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 4213896 4228439 * @summary Ensure that inserting a new tab with a component * where that component already exists as another tab is handled * properly. The old tab should be removed and the new tab added. * @key headful * @run main ReplaceCompTab */ import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.SwingUtilities; public class ReplaceCompTab { static JFrame f; public static void main(String[] args) throws Exception { try { SwingUtilities.invokeAndWait(() -> { f = new JFrame("ReplaceCompTab"); JTabbedPane tabbedpane = new JTabbedPane(); f.getContentPane().add(tabbedpane, BorderLayout.CENTER); JPanel comp = new JPanel(); // Add first tab tabbedpane.addTab("First(temp)", comp); // Add second tab with same component (should just replace first one) tabbedpane.insertTab("First", null, comp, "component added next", 0); // Check to ensure only a single tab exists if (tabbedpane.getTabCount() > 1) { throw new RuntimeException("Only one tab should exist"); } // Check to make sure second tab correctly replaced the first if (!(tabbedpane.getTitleAt(0).equals("First"))) { throw new RuntimeException("Tab not replaced correctly"); } // Check to make sure adding null continues to work try { tabbedpane.addTab("Second", null); } catch (Exception e) { throw new RuntimeException("Adding first null " + "component failed:", e); } try { tabbedpane.addTab("Third", null); } catch (Exception e) { throw new RuntimeException("Adding subsequent null " + "component failed: ", e); } try { tabbedpane.setComponentAt(1, new JLabel("Second Component")); tabbedpane.setComponentAt(2, new JLabel("Third Component")); } catch (Exception e) { throw new RuntimeException("Setting null component " + "to non-null failed: ", e); } }); } finally { SwingUtilities.invokeAndWait(() -> { if (f != null) { f.dispose(); } }); } } }