1 /*
2 * Copyright (c) 2012, 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 * Portions Copyright (c) 2012 IBM Corporation
26 */
27
28 /* @test 1.1 2012/04/19
29 * @bug 7055065
30 * @summary NullPointerException when sorting JTable with empty cell
31 * @author Jonathan Lu
32 * @library ../../regtesthelpers/
33 * @build Util
34 * @run main bug7055065
35 */
36
37 import java.awt.Dimension;
38 import java.awt.Point;
39 import java.awt.Rectangle;
40 import java.awt.Robot;
41 import java.awt.Toolkit;
42 import java.awt.event.InputEvent;
43 import java.awt.event.KeyEvent;
44 import javax.swing.JFrame;
45 import javax.swing.JPanel;
46 import javax.swing.JScrollPane;
47 import javax.swing.JTable;
48 import javax.swing.SwingUtilities;
49 import javax.swing.table.AbstractTableModel;
50 import javax.swing.table.TableModel;
51 import javax.swing.table.TableRowSorter;
52 import sun.awt.SunToolkit;
53 import java.util.concurrent.Callable;
54
55 public class bug7055065 {
56
57 private static JTable table;
58
59 public static void main(String[] args) throws Exception {
60 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
61 Robot robot = new Robot();
62
63 SwingUtilities.invokeAndWait(new Runnable() {
64
65 public void run() {
66 createAndShowUI();
67 }
68 });
69
70 toolkit.realSync();
71 clickCell(robot, 1, 1);
72 Util.hitKeys(robot, KeyEvent.VK_BACK_SPACE, KeyEvent.VK_BACK_SPACE,
73 KeyEvent.VK_BACK_SPACE);
74
75 toolkit.realSync();
76 clickColumnHeader(robot, 1);
77
78 toolkit.realSync();
79 clickColumnHeader(robot, 1);
80 }
81
82 private static void clickCell(Robot robot, final int row, final int column)
83 throws Exception {
84 Point point = Util.invokeOnEDT(new Callable<Point>() {
85 @Override
86 public Point call() throws Exception {
87 Rectangle rect = table.getCellRect(row, column, false);
88 Point point = new Point(rect.x + rect.width / 2, rect.y
89 + rect.height / 2);
90 SwingUtilities.convertPointToScreen(point, table);
91 return point;
92 }
93 });
94
95 robot.mouseMove(point.x, point.y);
96 robot.mousePress(InputEvent.BUTTON1_MASK);
97 robot.mouseRelease(InputEvent.BUTTON1_MASK);
98 }
99
100 private static void clickColumnHeader(Robot robot, final int column)
101 throws Exception {
102 Point point = Util.invokeOnEDT(new Callable<Point>() {
103 @Override
104 public Point call() throws Exception {
105 Rectangle rect = table.getCellRect(0, column, false);
106 int headerHeight = table.getTableHeader().getHeight();
107 Point point = new Point(rect.x + rect.width / 2, rect.y
108 - headerHeight / 2);
109 SwingUtilities.convertPointToScreen(point, table);
110 return point;
111 }
112 });
113
114 robot.mouseMove(point.x, point.y);
115 robot.mousePress(InputEvent.BUTTON1_MASK);
116 robot.mouseRelease(InputEvent.BUTTON1_MASK);
117 }
118
119 private static void createAndShowUI() {
120 JFrame frame = new JFrame("SimpleTableDemo");
121 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
122
123 JPanel newContentPane = new JPanel();
124 newContentPane.setOpaque(true);
125 frame.setContentPane(newContentPane);
126
127 final String[] columnNames = { "String", "Number" };
128 final Object[][] data = { { "aaaa", new Integer(1) },
129 { "bbbb", new Integer(3) }, { "cccc", new Integer(2) },
130 { "dddd", new Integer(4) }, { "eeee", new Integer(5) } };
131 table = new JTable(data, columnNames);
132
133 table.setPreferredScrollableViewportSize(new Dimension(500, 400));
134 table.setFillsViewportHeight(true);
135
136 TableModel dataModel = new AbstractTableModel() {
137
138 public int getColumnCount() {
139 return columnNames.length;
140 }
141
142 public int getRowCount() {
143 return data.length;
144 }
145
146 public Object getValueAt(int row, int col) {
147 return data[row][col];
148 }
149
150 public String getColumnName(int column) {
151 return columnNames[column];
152 }
153
154 public Class<?> getColumnClass(int c) {
155 return getValueAt(0, c).getClass();
156 }
157
158 public boolean isCellEditable(int row, int col) {
159 return col != 5;
160 }
161
162 public void setValueAt(Object aValue, int row, int column) {
163 data[row][column] = aValue;
164 }
165 };
166 table.setModel(dataModel);
167 TableRowSorter<TableModel> sorter = new TableRowSorter<TableModel>(
168 dataModel);
169 table.setRowSorter(sorter);
170
171 JScrollPane scrollPane = new JScrollPane(table);
172 newContentPane.add(scrollPane);
173
174 frame.pack();
175 frame.setLocation(0, 0);
176 frame.setVisible(true);
177 }
178 }