/*
* 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",
"<html><body><form action=\"http://localhost.cgi\">"
+ "<input type=submit name=submit value=\"submit\"/>"
+ "</form></body></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();
}
}
});
}
}