1 /*
2 StatCvs - CVS statistics generation
3 Copyright (C) 2002 Lukasz Pekacki <lukasz@pekacki.de>
4 http://statcvs.sf.net/
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with this library; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19
20 $RCSfile: GenericColumn.java,v $
21 $Date: 2008/04/02 11:22:14 $
22 */
23 package net.sf.statcvs.reportmodel;
24
25 import java.util.ArrayList;
26 import java.util.List;
27
28 import net.sf.statcvs.renderer.TableCellRenderer;
29
30 /**
31 * A generic column with a text header and a text total. Each cell contains
32 * an <tt>Object</tt>. The renderCell method must be implemented by subclasses.
33 *
34 * @author Richard Cyganiak <rcyg@gmx.de>
35 * @version $Id: GenericColumn.java,v 1.2 2008/04/02 11:22:14 benoitx Exp $
36 */
37 public abstract class GenericColumn extends Column {
38
39 private final String title;
40 private final List values = new ArrayList();
41 private String total = null;
42
43 /**
44 * Creates a new <tt>GenericColumn</tt> with the given head
45 * @param title the head of the column
46 */
47 public GenericColumn(final String title) {
48 this.title = title;
49 }
50
51 /**
52 * Sets the total for this column
53 * @param value the total for this column
54 */
55 public void setTotal(final String value) {
56 this.total = value;
57 }
58
59 /**
60 * Adds a value to this column (in a new row)
61 * @param value the new value
62 */
63 public void addValue(final Object value) {
64 values.add(value);
65 }
66
67 /**
68 * Returns a value of the column
69 * @param rowIndex the row, starting at 0
70 * @return the value
71 */
72 public Object getValue(final int rowIndex) {
73 return values.get(rowIndex);
74 }
75
76 /**
77 * @see net.sf.statcvs.reportmodel.Column#getRows()
78 */
79 public int getRows() {
80 return values.size();
81 }
82
83 /**
84 * @see net.sf.statcvs.reportmodel.Column#renderHead(net.sf.statcvs.renderer.TableCellRenderer)
85 */
86 public void renderHead(final TableCellRenderer renderer) {
87 renderer.renderCell(title);
88 }
89
90 /**
91 * @see net.sf.statcvs.reportmodel.Column#renderCell
92 */
93 public abstract void renderCell(int rowIndex, TableCellRenderer renderer);
94
95 /**
96 * @see net.sf.statcvs.reportmodel.Column#renderTotal
97 */
98 public void renderTotal(final TableCellRenderer renderer) {
99 if (total == null) {
100 renderer.renderEmptyCell();
101 } else {
102 renderer.renderCell(total);
103 }
104 }
105 }