1 /***
2 * ValueIndexedTableColorModel.java
3 *
4 * This file is part of the creme library.
5 * The creme library intends to ease the development effort of large
6 * applications by providing easy to use support classes.
7 *
8 * Copyright (C) 2002 Denis Bregeon
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 * contact information: dbregeon@sourceforge.net
25 */
26 package org.jcreme.swing.table.colormodel;
27
28 import java.util.Comparator;
29
30 import org.jcreme.swing.table.TableColorModelEvent;
31
32 /***
33 * The purpose of this class is to have a specific background color for the
34 * lines that have a given reference column above a given Threshold value. (the
35 * value of a specified column is at a specified value).
36 *
37 * @author $Author: dbregeon $
38 * @version $Revision: 1.2 $
39 */
40 public class GeneralValueIndexedTableColorModel extends
41 AbstractValueIndexedTableColorModel {
42 /***
43 * The treshold over which the color changes.
44 */
45 private Object thresholdValue = null;
46
47 /***
48 * The comparator used with the thresholdValue.
49 */
50 private Comparator comparator = null;
51
52 /***
53 * Sets the treshold value over which the task will be considered complete.
54 *
55 * @param value
56 * The value to use as a treshold.
57 * @param comp
58 * the Comparator used to determine whether values are breaking
59 * the threshold.
60 */
61 public void setThresholdValue(Object value, Comparator comp) {
62 if ((this.thresholdValue != value) || (this.comparator != comp)) {
63 this.thresholdValue = value;
64 this.comparator = comp;
65 fireTableColorModelChanged(new TableColorModelEvent(this));
66 }
67 }
68
69 protected boolean testThreshold(Object value) {
70 return (this.comparator != null)
71 && (this.comparator.compare(this.thresholdValue, value) <= 0);
72 }
73 }