1/* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @key headful 27 * @bug 8048110 28 * @summary Using tables in JTextPane leads to infinite loop in FlowLayout.layoutRow 29 * @author Dmitry Markov 30 * @run main bug8048110 31 */ 32 33import javax.swing.*; 34import javax.swing.text.Element; 35import javax.swing.text.html.HTMLDocument; 36import javax.swing.text.html.HTMLEditorKit; 37import java.awt.*; 38 39public class bug8048110 { 40 private static Robot robot; 41 private static Object lock = new Object(); 42 private static boolean isRealSyncPerformed = false; 43 private static final String htmlText = "<table width=\"100%\" cellpadding=\"10\" cellspacing=\"5\" align=\"center\">" + 44 "<tr><th align=\"left\" bgcolor=\"#bec3c6\">Devices</th><th align=\"left\" bgcolor=\"#bec3c6\">State</th></tr>" + 45 "<tr><td align=\"left\" bgcolor=\"#bec3c6\">PC</td><td align=\"left\" bgcolor=\"#46a055\">Ok</td></tr></table>"; 46 47 public static void main(String[] args) throws Exception { 48 robot = new Robot(); 49 SwingUtilities.invokeAndWait(new Runnable() { 50 @Override 51 public void run() { 52 createAndShowGUI(); 53 } 54 }); 55 56 Thread thread = new Thread() { 57 @Override 58 public void run() { 59 robot.waitForIdle(); 60 synchronized (lock) { 61 isRealSyncPerformed = true; 62 lock.notifyAll(); 63 } 64 } 65 }; 66 thread.start(); 67 68 synchronized (lock) { 69 if (!isRealSyncPerformed) { 70 lock.wait(5000); 71 } 72 } 73 74 if (!isRealSyncPerformed) { 75 throw new RuntimeException("Test Failed!"); 76 } 77 } 78 79 private static void createAndShowGUI() { 80 try { 81 UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel"); 82 } catch (Exception ex) { 83 throw new RuntimeException(ex); 84 } 85 HTMLEditorKit editorKit = new HTMLEditorKit(); 86 JTextPane textPane = new JTextPane(); 87 textPane.setContentType("text/html"); 88 textPane.setEditorKit(editorKit); 89 textPane.setText("Initial text without table"); 90 91 JFrame frame = new JFrame("bug8048110"); 92 frame.getContentPane().add(textPane, BorderLayout.CENTER); 93 frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); 94 frame.setSize(500, 200); 95 frame.setVisible(true); 96 97 textPane.setDocument(textPane.getEditorKit().createDefaultDocument()); 98 HTMLDocument htmlDocument = (HTMLDocument) textPane.getDocument(); 99 Element firstParagraph = findFirstElement(textPane.getDocument().getDefaultRootElement(), "p"); 100 101 try { 102 htmlDocument.setInnerHTML(firstParagraph, htmlText); 103 } catch (Exception ex) { 104 throw new RuntimeException(ex); 105 } 106 } 107 108 private static Element findFirstElement(Element e, String name) { 109 String elementName = e.getName(); 110 if (elementName != null && elementName.equalsIgnoreCase(name)) { 111 return e; 112 } 113 for (int i = 0; i < e.getElementCount(); i++) { 114 Element result = findFirstElement(e.getElement(i), name); 115 if (result != null) { 116 return result; 117 } 118 } 119 return null; 120 } 121} 122 123