# HG changeset patch # User rupashka # Date 1220526924 -14400 # Node ID 35d4c1f87df5ce9589fc3b50418d0d0d7b51e36d # Parent db0929bb4cd44bbee07bc6cc8faabc4eb05da2de 6278700: JSlider created with BoundedRangeModel fires twice when changed Summary: Removed second registration of listener Reviewed-by: peterz diff -r db0929bb4cd4 -r 35d4c1f87df5 jdk/src/share/classes/javax/swing/JSlider.java --- a/jdk/src/share/classes/javax/swing/JSlider.java Wed Sep 03 21:00:04 2008 +0400 +++ b/jdk/src/share/classes/javax/swing/JSlider.java Thu Sep 04 15:15:24 2008 +0400 @@ -270,8 +270,7 @@ { checkOrientation(orientation); this.orientation = orientation; - sliderModel = new DefaultBoundedRangeModel(value, 0, min, max); - sliderModel.addChangeListener(changeListener); + setModel(new DefaultBoundedRangeModel(value, 0, min, max)); updateUI(); } @@ -284,7 +283,6 @@ { this.orientation = JSlider.HORIZONTAL; setModel(brm); - sliderModel.addChangeListener(changeListener); updateUI(); } @@ -476,15 +474,15 @@ if (newModel != null) { newModel.addChangeListener(changeListener); + } - if (accessibleContext != null) { - accessibleContext.firePropertyChange( - AccessibleContext.ACCESSIBLE_VALUE_PROPERTY, - (oldModel == null - ? null : Integer.valueOf(oldModel.getValue())), - (newModel == null - ? null : Integer.valueOf(newModel.getValue()))); - } + if (accessibleContext != null) { + accessibleContext.firePropertyChange( + AccessibleContext.ACCESSIBLE_VALUE_PROPERTY, + (oldModel == null + ? null : Integer.valueOf(oldModel.getValue())), + (newModel == null + ? null : Integer.valueOf(newModel.getValue()))); } firePropertyChange("model", oldModel, sliderModel); diff -r db0929bb4cd4 -r 35d4c1f87df5 jdk/test/javax/swing/JSlider/6278700/bug6278700.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/javax/swing/JSlider/6278700/bug6278700.java Thu Sep 04 15:15:24 2008 +0400 @@ -0,0 +1,73 @@ +/* + * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* @test + * @bug 6278700 + * @summary JSlider created with BoundedRangeModel fires twice when changed + * @author Pavel Porvatov + @run main bug6278700 + */ + +import javax.swing.*; +import javax.swing.event.ChangeEvent; +import javax.swing.event.ChangeListener; + +public class bug6278700 { + private int changeCount; + + private final ChangeListener listener = new ChangeListener() { + public void stateChanged(ChangeEvent e) { + changeCount++; + } + }; + + public static void main(String[] args) { + new bug6278700(); + } + + public bug6278700() { + SwingUtilities.invokeLater(new Runnable() { + public void run() { + JSlider slider = new JSlider(new DefaultBoundedRangeModel(5, 0, 0, 10)); + + slider.addChangeListener(listener); + slider.setValue(0); + + if (changeCount != 1) { + throw new RuntimeException("Incorrect stateChanged count: " + Integer.toString(changeCount)); + } + + changeCount = 0; + + slider = new JSlider(); + + slider.addChangeListener(listener); + slider.setValue(0); + + if (changeCount != 1) { + throw new RuntimeException("Incorrect stateChanged count: " + Integer.toString(changeCount)); + } + } + }); + } +}