1 /*
2 * Copyright (c) 2013, 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 8003400
28 * @summary Tests that JTree shows the last row
29 * @author Sergey Malenkov
30 * @run main/othervm Test8003400
31 * @run main/othervm Test8003400 reverse
32 * @run main/othervm Test8003400 system
33 * @run main/othervm Test8003400 system reverse
34 */
35
36 import sun.awt.SunToolkit;
37
38 import java.awt.Rectangle;
39 import java.awt.Robot;
40 import java.awt.Toolkit;
41 import java.awt.event.KeyEvent;
42 import java.util.Arrays;
43 import java.util.Collections;
44 import java.util.List;
45 import javax.swing.JFrame;
46 import javax.swing.JScrollPane;
47 import javax.swing.JTree;
48 import javax.swing.SwingUtilities;
49 import javax.swing.UIManager;
50 import javax.swing.tree.DefaultMutableTreeNode;
51
52 public class Test8003400 {
53
54 private static final String TITLE = "Test JTree with a large model";
55 private static List<String> OBJECTS = Arrays.asList(TITLE, "x", "y", "z");
56 private static JScrollPane pane;
57
58 public static void main(String[] args) throws Exception {
59 for (String arg : args) {
60 if (arg.equals("reverse")) {
61 Collections.reverse(OBJECTS);
62 }
63 if (arg.equals("system")) {
64 UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
65 }
66 }
67 SwingUtilities.invokeAndWait(new Runnable() {
68 public void run() {
69 DefaultMutableTreeNode root = new DefaultMutableTreeNode();
70
71 JTree tree = new JTree(root);
72 tree.setLargeModel(true);
73 tree.setRowHeight(16);
74
75 JFrame frame = new JFrame(TITLE);
76 frame.add(pane = new JScrollPane(tree));
77 frame.setSize(200, 100);
78 frame.setLocationRelativeTo(null);
79 frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
80 frame.setVisible(true);
81
82 for (String object : OBJECTS) {
83 root.add(new DefaultMutableTreeNode(object));
84 }
85 tree.expandRow(0);
86 }
87 });
88
89 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
90 toolkit.realSync(500);
91 new Robot().keyPress(KeyEvent.VK_END);
92 toolkit.realSync(500);
93
94 SwingUtilities.invokeAndWait(new Runnable() {
95 public void run() {
96 JTree tree = (JTree) pane.getViewport().getView();
97 Rectangle inner = tree.getRowBounds(tree.getRowCount() - 1);
98 Rectangle outer = SwingUtilities.convertRectangle(tree, inner, pane);
99 outer.y += tree.getRowHeight() - 1 - pane.getVerticalScrollBar().getHeight();
100 // error reporting only for automatic testing
101 if (null != System.getProperty("test.src", null)) {
102 SwingUtilities.getWindowAncestor(pane).dispose();
103 if (outer.y != 0) {
104 throw new Error("TEST FAILED: " + outer.y);
105 }
106 }
107 }
108 });
109 }
110 }