123 lines
4.1 KiB
Java
123 lines
4.1 KiB
Java
/*
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* Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @key headful
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* @bug 8004298
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* @requires (os.family == "windows")
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* @summary NPE in WindowsTreeUI.ensureRowsAreVisible
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* @author Alexander Scherbatiy
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* @library ../../regtesthelpers
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* @modules java.desktop/com.sun.java.swing.plaf.windows
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* @build Util
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* @run main bug8004298
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*/
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import java.awt.*;
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import java.awt.event.InputEvent;
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import javax.swing.*;
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import javax.swing.tree.*;
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import java.util.concurrent.Callable;
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import com.sun.java.swing.plaf.windows.WindowsLookAndFeel;
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import com.sun.java.swing.plaf.windows.WindowsTreeUI;
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public class bug8004298 {
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private static JTree tree;
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public static void main(String[] args) throws Exception {
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Robot robot = new Robot();
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robot.setAutoDelay(50);
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try {
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UIManager.setLookAndFeel(new WindowsLookAndFeel());
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} catch (javax.swing.UnsupportedLookAndFeelException ulafe) {
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System.out.println(ulafe.getMessage());
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System.out.println("The test is considered PASSED");
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return;
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}
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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createAndShowGUI();
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}
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});
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robot.waitForIdle();
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Point point = Util.invokeOnEDT(new Callable<Point>() {
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@Override
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public Point call() throws Exception {
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Rectangle rect = tree.getRowBounds(2);
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Point p = new Point(rect.x + rect.width / 2, rect.y + rect.height / 2);
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SwingUtilities.convertPointToScreen(p, tree);
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return p;
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}
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});
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robot.mouseMove(point.x, point.y);
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robot.mousePress(InputEvent.BUTTON1_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_MASK);
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robot.mousePress(InputEvent.BUTTON1_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_MASK);
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robot.waitForIdle();
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}
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private static void createAndShowGUI() {
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JFrame frame = new JFrame();
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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DefaultMutableTreeNode root = new DefaultMutableTreeNode("root");
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root.add(new DefaultMutableTreeNode("colors"));
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DefaultMutableTreeNode sports = new DefaultMutableTreeNode("sports");
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sports.add(new DefaultMutableTreeNode("basketball"));
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sports.add(new DefaultMutableTreeNode("football"));
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root.add(sports);
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tree = new JTree(root);
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tree.setUI(new NullReturningTreeUI());
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frame.getContentPane().add(tree);
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frame.pack();
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frame.setVisible(true);
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}
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private static final class NullReturningTreeUI extends WindowsTreeUI {
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@Override
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public Rectangle getPathBounds(JTree tree, TreePath path) {
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// the method can return null and callers have to be ready for
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// that. Simulate the case by returning null for unknown reason.
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if (path != null && path.toString().contains("football")) {
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return null;
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}
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return super.getPathBounds(tree, path);
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}
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}
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}
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