/* * Copyright (c) 2012 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. */ /* * Portions Copyright (c) 2012 IBM Corporation */ import java.awt.BorderLayout; import java.awt.Toolkit; import java.awt.event.ActionListener; import javax.swing.DefaultButtonModel; import javax.swing.JEditorPane; import javax.swing.JFrame; import javax.swing.SwingUtilities; import javax.swing.text.StyleConstants; import javax.swing.text.StyleContext; import javax.swing.text.html.HTMLEditorKit; import sun.awt.SunToolkit; /* * @test * @bug 8008289 * @summary Shared ButtonModel instance should deregister previous listeners. * @author Frank Ding */ public class bug8008289 { private static JEditorPane html; private static JFrame frame; private static void setup() { /** * Note the input type is not restricted to "submit". Types "image", * "checkbox", "radio" have the same problem. */ html = new JEditorPane("text/html", ""); frame = new JFrame(); frame.setLayout(new BorderLayout()); frame.add(html, BorderLayout.CENTER); frame.setSize(200, 100); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } private static void doTest() { /* * Calling updateComponentTreeUI creates a new FormView instance with * its own associated JButton instance. The same DefaultButtonModel * instance is used for both FormView's. * * The action listeners associated with (the JButton for) the first * FormView should be unregistered from this common DefaultButtonModel, * such that only those for the new FormView remain. */ SwingUtilities.updateComponentTreeUI(html); } private static void verifySingleDefaultButtonModelListener() { HTMLEditorKit htmlEditorKit = (HTMLEditorKit) html.getEditorKit(); StyleContext.NamedStyle style = ((StyleContext.NamedStyle) htmlEditorKit .getInputAttributes()); DefaultButtonModel model = ((DefaultButtonModel) style .getAttribute(StyleConstants.ModelAttribute)); ActionListener[] listeners = model.getActionListeners(); int actionListenerNum = listeners.length; if (actionListenerNum != 1) { throw new RuntimeException( "Expected single ActionListener object registered with " + "DefaultButtonModel; found " + actionListenerNum + " listeners registered."); } int changeListenerNum = model.getChangeListeners().length; if (changeListenerNum != 1) { throw new RuntimeException( "Expected at most one ChangeListener object registered " + "with DefaultButtonModel; found " + changeListenerNum + " listeners registered."); } int itemListenerNum = model.getItemListeners().length; if (itemListenerNum != 1) { throw new RuntimeException( "Expected at most one ItemListener object registered " + "with DefaultButtonModel; found " + itemListenerNum + " listeners registered."); } } public static void main(String[] args) throws Exception { final SunToolkit toolkit = ((SunToolkit) Toolkit.getDefaultToolkit()); SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { setup(); } }); toolkit.realSync(); SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { try { verifySingleDefaultButtonModelListener(); doTest(); verifySingleDefaultButtonModelListener(); } finally { frame.dispose(); } } }); } }