# HG changeset patch # User malenkov # Date 1401112919 -14400 # Node ID e1f2746b643979e633e42478b5f6f4e7e6e0ef4a # Parent 61e7baccc99566c4d3eed60b1a0cc6d3e7af8bfc 8019180: Use JComboBox as it's own ActionListener leads to unexpected behaviour Reviewed-by: alexsch, serb diff -r 61e7baccc995 -r e1f2746b6439 jdk/src/share/classes/javax/swing/JComboBox.java --- a/jdk/src/share/classes/javax/swing/JComboBox.java Mon May 26 16:37:25 2014 +0400 +++ b/jdk/src/share/classes/javax/swing/JComboBox.java Mon May 26 18:01:59 2014 +0400 @@ -1308,13 +1308,15 @@ * do not call or override. */ public void actionPerformed(ActionEvent e) { - Object newItem = getEditor().getItem(); - setPopupVisible(false); - getModel().setSelectedItem(newItem); - String oldCommand = getActionCommand(); - setActionCommand("comboBoxEdited"); - fireActionEvent(); - setActionCommand(oldCommand); + ComboBoxEditor editor = getEditor(); + if ((editor != null) && (e != null) && (editor == e.getSource())) { + setPopupVisible(false); + getModel().setSelectedItem(editor.getItem()); + String oldCommand = getActionCommand(); + setActionCommand("comboBoxEdited"); + fireActionEvent(); + setActionCommand(oldCommand); + } } /** diff -r 61e7baccc995 -r e1f2746b6439 jdk/test/javax/swing/JComboBox/8019180/Test8019180.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/javax/swing/JComboBox/8019180/Test8019180.java Mon May 26 18:01:59 2014 +0400 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2014, 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. + */ + +import java.util.concurrent.CountDownLatch; +import javax.swing.JComboBox; +import javax.swing.JFrame; +import javax.swing.SwingUtilities; + +/* + * @test + * @bug 8019180 + * @summary Tests that combobox works if it is used as action listener + * @author Sergey Malenkov + */ + +public class Test8019180 implements Runnable { + private static final CountDownLatch LATCH = new CountDownLatch(1); + private static final String[] ITEMS = {"First", "Second", "Third", "Fourth"}; + + public static void main(String[] args) throws InterruptedException { + SwingUtilities.invokeLater(new Test8019180()); + LATCH.await(); + } + + private JComboBox test; + + @Override + public void run() { + if (this.test == null) { + this.test = new JComboBox<>(ITEMS); + this.test.addActionListener(this.test); + JFrame frame = new JFrame(); + frame.add(test); + frame.pack(); + frame.setVisible(true); + SwingUtilities.invokeLater(this); + } else { + int index = this.test.getSelectedIndex(); + this.test.setSelectedIndex(1 + index); + if (0 > this.test.getSelectedIndex()) { + System.err.println("ERROR: no selection"); + System.exit(8019180); + } + SwingUtilities.getWindowAncestor(this.test).dispose(); + LATCH.countDown(); + } + } +}