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/*
* Copyright (c) 2014, 2017, 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.awt.Component;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Toolkit;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JViewport;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.plaf.metal.MetalLookAndFeel;
/**
* @test
* @key headful
* @bug 7170310
* @author Alexey Ivanov
* @summary Selected tab should be scrolled into view.
* @library ../../../../lib/testlibrary/
* @build ExtendedRobot
* @run main bug7170310
*/
public class bug7170310 {
private static final int TABS_NUMBER = 3;
private static volatile JTabbedPane tabbedPane;
private static volatile int count = 1;
private static volatile JFrame frame;
private static volatile Exception exception = null;
public static void main(String[] args) throws Exception {
try {
UIManager.setLookAndFeel(new MetalLookAndFeel());
SwingUtilities.invokeAndWait(bug7170310::createAndShowUI);
sync();
for (int i = 0; i < TABS_NUMBER; i++) {
SwingUtilities.invokeAndWait(bug7170310::addTab);
sync();
}
SwingUtilities.invokeAndWait(bug7170310::check);
if (exception != null) {
System.out.println("Test failed: " + exception.getMessage());
throw exception;
} else {
System.out.printf("Test passed");
}
} finally {
if (frame != null) { frame.dispose(); }
}
}
private static void createAndShowUI() {
frame = new JFrame("bug7170310");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(200, 100);
tabbedPane = new JTabbedPane();
tabbedPane.addTab("Main Tab", new JPanel());
tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
frame.getContentPane().add(tabbedPane);
frame.setVisible(true);
}
private static void addTab() {
tabbedPane.addTab("Added Tab " + count++, new JPanel());
tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);
}
private static void check() {
try {
JViewport vp = null;
for (Component c : tabbedPane.getComponents()) {
if (c instanceof JViewport) {
vp = (JViewport) c;
break;
}
}
JComponent v = (JComponent) vp.getView();
Rectangle vr = vp.getViewRect();
Dimension vs = v.getSize();
// The tab view must be scrolled to the end so that the last tab is visible
if (vs.width != (vr.x + vr.width)) {
throw new RuntimeException("tabScroller.tabPanel view is positioned incorrectly: "
+ vs.width + " vs " + (vr.x + vr.width));
}
} catch (Exception e) {
exception = e;
}
}
private static void sync() {
try {
ExtendedRobot robot = new ExtendedRobot();
robot.waitForIdle(300);
}catch(Exception ex) {
ex.printStackTrace();
throw new Error("Unexpected Failure");
}
}
}
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