Source code: org/hsqldb/util/GridSwing.java
1 /* Copyrights and Licenses
2 *
3 * This product includes Hypersonic SQL.
4 * Originally developed by Thomas Mueller and the Hypersonic SQL Group.
5 *
6 * Copyright (c) 1995-2000 by the Hypersonic SQL Group. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without modification, are permitted
8 * provided that the following conditions are met:
9 * - Redistributions of source code must retain the above copyright notice, this list of conditions
10 * and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright notice, this list of
12 * conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 * - All advertising materials mentioning features or use of this software must display the
15 * following acknowledgment: "This product includes Hypersonic SQL."
16 * - Products derived from this software may not be called "Hypersonic SQL" nor may
17 * "Hypersonic SQL" appear in their names without prior written permission of the
18 * Hypersonic SQL Group.
19 * - Redistributions of any form whatsoever must retain the following acknowledgment: "This
20 * product includes Hypersonic SQL."
21 * This software is provided "as is" and any expressed or implied warranties, including, but
22 * not limited to, the implied warranties of merchantability and fitness for a particular purpose are
23 * disclaimed. In no event shall the Hypersonic SQL Group or its contributors be liable for any
24 * direct, indirect, incidental, special, exemplary, or consequential damages (including, but
25 * not limited to, procurement of substitute goods or services; loss of use, data, or profits;
26 * or business interruption). However caused any on any theory of liability, whether in contract,
27 * strict liability, or tort (including negligence or otherwise) arising in any way out of the use of this
28 * software, even if advised of the possibility of such damage.
29 * This software consists of voluntary contributions made by many individuals on behalf of the
30 * Hypersonic SQL Group.
31 *
32 *
33 * For work added by the HSQL Development Group:
34 *
35 * Copyright (c) 2001-2002, The HSQL Development Group
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions are met:
40 *
41 * Redistributions of source code must retain the above copyright notice, this
42 * list of conditions and the following disclaimer, including earlier
43 * license statements (above) and comply with all above license conditions.
44 *
45 * Redistributions in binary form must reproduce the above copyright notice,
46 * this list of conditions and the following disclaimer in the documentation
47 * and/or other materials provided with the distribution, including earlier
48 * license statements (above) and comply with all above license conditions.
49 *
50 * Neither the name of the HSQL Development Group nor the names of its
51 * contributors may be used to endorse or promote products derived from this
52 * software without specific prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
55 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
57 * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
58 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
59 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
60 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
61 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
62 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
64 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 */
66
67
68 package org.hsqldb.util;
69
70 import java.util.Vector;
71 import javax.swing.table.*;
72
73 // sqlbob@users 20020401 - patch 1.7.0 by sqlbob (RMP) - enhancements
74
75 /** Simple table model to represent a grid of tuples.
76 *
77 * @version 1.7.0
78 */
79 class GridSwing extends AbstractTableModel {
80
81 String[] headers;
82 Vector rows;
83
84 /**
85 * Default constructor.
86 */
87 public GridSwing() {
88
89 super();
90
91 headers = new String[0]; // initially empty
92 rows = new Vector(); // initially empty
93 }
94
95 /**
96 * Get the name for the specified column.
97 */
98 public String getColumnName(int i) {
99 return headers[i];
100 }
101
102 /**
103 * Get the number of columns.
104 */
105 public int getColumnCount() {
106 return headers.length;
107 }
108
109 /**
110 * Get the number of rows currently in the table.
111 */
112 public int getRowCount() {
113 return rows.size();
114 }
115
116 /**
117 * Get the current column headings.
118 */
119 public String[] getHead() {
120 return headers;
121 }
122
123 /**
124 * Get the current table data.
125 * Each row is represented as a <code>String[]</code>
126 * with a single non-null value in the 0-relative
127 * column position.
128 * <p>The first row is at offset 0, the nth row at offset n etc.
129 */
130 public Vector getData() {
131 return rows;
132 }
133
134 /**
135 * Get the object at the specified cell location.
136 */
137 public Object getValueAt(int row, int col) {
138 return ((String[]) rows.elementAt(row))[col];
139 }
140
141 /**
142 * Set the name of the column headings.
143 */
144 public void setHead(String[] h) {
145
146 headers = new String[h.length];
147
148 // System.arraycopy(h, 0, headers, 0, h.length);
149 for (int i = 0; i < h.length; i++) {
150 headers[i] = h[i];
151 }
152 }
153
154 /**
155 * Append a tuple to the end of the table.
156 */
157 public void addRow(String[] r) {
158
159 String[] row = new String[r.length];
160
161 // System.arraycopy(r, 0, row, 0, r.length);
162 for (int i = 0; i < r.length; i++) {
163 row[i] = r[i];
164
165 if (row[i] == null) {
166 row[i] = "(null)";
167 }
168 }
169
170 rows.addElement(row);
171 }
172
173 /**
174 * Remove data from all cells in the table (without
175 * affecting the current headings).
176 */
177 public void clear() {
178 rows.removeAllElements();
179 }
180 }