1 /* 2 * Copyright (c) 2014, 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 * @test 26 * @key headful 27 * @bug 8044371 28 * @summary setOneTouchExpandable functionality of JSplitPane will reduce vertical Scrollbar 29 * @author Anton Nashatyrev 30 * @library .. 31 */ 32 33 34 import javax.swing.*; 35 import javax.swing.plaf.metal.MetalLookAndFeel; 36 import java.awt.*; 37 import java.awt.event.AdjustmentEvent; 38 import java.awt.event.AdjustmentListener; 39 40 public class bug8044371 implements AdjustmentListener { 41 JSplitPane sptPane; 42 int lastAdjust = 0; 43 int initialAdjust = 0; 44 45 public static void main(String[] args) throws Throwable { 46 UIManager.setLookAndFeel(MetalLookAndFeel.class.getName()); 47 SwingTest.start(bug8044371.class); 48 } 49 50 public bug8044371(JFrame frame) { 51 JPanel p = new JPanel(); 52 final JScrollPane jScrollPane = new JScrollPane(new JPanel() 53 {{setPreferredSize(new Dimension(1500,1500));}}, 54 JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, 55 JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); 56 jScrollPane.getViewport().scrollRectToVisible(new Rectangle(1500, 1500, 0, 0)); 57 jScrollPane.getVerticalScrollBar().addAdjustmentListener(this); 58 59 sptPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, jScrollPane, p); 60 sptPane.setDividerLocation(90); 61 sptPane.setOneTouchExpandable(true); 62 frame.getContentPane().add(sptPane); 63 } 64 65 public void adjustmentValueChanged(AdjustmentEvent e) { 66 System.out.println( "adjustmentValueChanged: " + e.getValue()); 67 lastAdjust = e.getValue(); 68 } 69 70 public void step1() { 71 if (lastAdjust == 0) { 72 throw new RuntimeException("Adjustment == 0"); 73 } 74 initialAdjust = lastAdjust; 75 sptPane.setDividerLocation(0); 76 } 77 78 public void step2() { 79 if (lastAdjust < initialAdjust) { 80 throw new RuntimeException("Failed: Adjustment decreased: " + lastAdjust); 81 } 82 sptPane.setDividerLocation(90); 83 } 84 public void step3() { 85 if (lastAdjust < initialAdjust) { 86 throw new RuntimeException("Failed: Adjustment decreased: " + lastAdjust); 87 } 88 } 89 }