1 /* 2 * Copyright (c) 2013, 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 * Portions Copyright (c) 2013 IBM Corporation 26 */ 27 import java.awt.BorderLayout; 28 import java.awt.Toolkit; 29 30 import java.awt.event.ActionListener; 31 import javax.swing.DefaultButtonModel; 32 import javax.swing.JEditorPane; 33 import javax.swing.JFrame; 34 import javax.swing.SwingUtilities; 35 import javax.swing.text.StyleConstants; 36 import javax.swing.text.StyleContext; 37 import javax.swing.text.html.HTMLEditorKit; 38 import sun.awt.SunToolkit; 39 40 41 /* 42 * @test 43 * @key headful 44 * @bug 8008289 45 * @summary Shared ButtonModel instance should deregister previous listeners. 46 * @author Frank Ding 47 */ 48 public class bug7189299 { 49 50 private static JEditorPane html; 51 private static JFrame frame; 52 53 private static void setup() { 54 /** 55 * Note the input type is not restricted to "submit". Types "image", 56 * "checkbox", "radio" have the same problem. 57 */ 58 html = new JEditorPane("text/html", 59 "<html><body><form action=\"http://localhost.cgi\">" 60 + "<input type=submit name=submit value=\"submit\"/>" 61 + "</form></body></html>"); 62 frame = new JFrame(); 63 frame.setLayout(new BorderLayout()); 64 frame.add(html, BorderLayout.CENTER); 65 frame.setSize(200, 100); 66 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 67 frame.setVisible(true); 68 } 69 70 private static void doTest() { 71 /* 72 * Calling updateComponentTreeUI creates a new FormView instance with 73 * its own associated JButton instance. The same DefaultButtonModel 74 * instance is used for both FormView's. 75 * 76 * The action listeners associated with (the JButton for) the first 77 * FormView should be unregistered from this common DefaultButtonModel, 78 * such that only those for the new FormView remain. 79 */ 80 SwingUtilities.updateComponentTreeUI(html); 81 } 82 83 private static void verifySingleDefaultButtonModelListener() { 84 HTMLEditorKit htmlEditorKit = (HTMLEditorKit) html.getEditorKit(); 85 StyleContext.NamedStyle style = ((StyleContext.NamedStyle) htmlEditorKit 86 .getInputAttributes()); 87 DefaultButtonModel model = ((DefaultButtonModel) style 88 .getAttribute(StyleConstants.ModelAttribute)); 89 ActionListener[] listeners = model.getActionListeners(); 90 int actionListenerNum = listeners.length; 91 if (actionListenerNum != 1) { 92 throw new RuntimeException( 93 "Expected single ActionListener object registered with " 94 + "DefaultButtonModel; found " + actionListenerNum 95 + " listeners registered."); 96 } 97 98 int changeListenerNum = model.getChangeListeners().length; 99 if (changeListenerNum != 1) { 100 throw new RuntimeException( 101 "Expected at most one ChangeListener object registered " 102 + "with DefaultButtonModel; found " + changeListenerNum 103 + " listeners registered."); 104 } 105 int itemListenerNum = model.getItemListeners().length; 106 if (itemListenerNum != 1) { 107 throw new RuntimeException( 108 "Expected at most one ItemListener object registered " 109 + "with DefaultButtonModel; found " + itemListenerNum 110 + " listeners registered."); 111 } 112 } 113 114 public static void main(String[] args) throws Exception { 115 final SunToolkit toolkit = ((SunToolkit) Toolkit.getDefaultToolkit()); 116 117 SwingUtilities.invokeAndWait(new Runnable() { 118 119 @Override 120 public void run() { 121 setup(); 122 } 123 }); 124 toolkit.realSync(); 125 SwingUtilities.invokeAndWait(new Runnable() { 126 127 @Override 128 public void run() { 129 try { 130 verifySingleDefaultButtonModelListener(); 131 doTest(); 132 verifySingleDefaultButtonModelListener(); 133 } finally { 134 frame.dispose(); 135 } 136 } 137 }); 138 } 139 }