1 /*
2 * ObjectLab, http://www.objectlab.co.uk/open is supporting JTreeMap.
3 *
4 * Based in London, we are world leaders in the design and development
5 * of bespoke applications for the securities financing markets.
6 *
7 * <a href="http://www.objectlab.co.uk/open">Click here to learn more</a>
8 * ___ _ _ _ _ _
9 * / _ \| |__ (_) ___ ___| |_| | __ _| |__
10 * | | | | '_ \| |/ _ \/ __| __| | / _` | '_ \
11 * | |_| | |_) | | __/ (__| |_| |__| (_| | |_) |
12 * \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
13 * |__/
14 *
15 * www.ObjectLab.co.uk
16 *
17 * $Id$
18 *
19 * Copyright 2006 the original author or authors.
20 *
21 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
22 * use this file except in compliance with the License. You may obtain a copy of
23 * the License at
24 *
25 * http://www.apache.org/licenses/LICENSE-2.0
26 *
27 * Unless required by applicable law or agreed to in writing, software
28 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
29 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
30 * License for the specific language governing permissions and limitations under
31 * the License.
32 */
33 package net.sf.jtreemap.swing.provider;
34
35 import java.awt.Color;
36 import java.awt.Graphics;
37
38 import javax.swing.JPanel;
39
40 import net.sf.jtreemap.swing.Value;
41
42 /**
43 * Color Provider by default.<BR>
44 * All values are associated to a unique color.
45 *
46 * @author Laurent DUTHEIL
47 *
48 */
49 public class UniqueColorProvider extends ColorProvider {
50 /**
51 *
52 */
53 private static final long serialVersionUID = -7571926934516139432L;
54
55 private static final Color DEFAULT_COLOR = new Color(153, 153, 51);
56
57 private final Color color;
58
59 private JPanel legend;
60
61 /**
62 * Constructor.
63 */
64 public UniqueColorProvider() {
65 this.color = DEFAULT_COLOR;
66 }
67
68 /**
69 * Constructor.
70 *
71 * @param color
72 * unique color
73 */
74 public UniqueColorProvider(final Color color) {
75 this.color = color;
76 }
77
78 /*
79 * (non-Javadoc)
80 *
81 * @see net.sf.jtreemap.swing.ColorProvider#getColor(double)
82 */
83 @Override
84 public Color getColor(final Value value) {
85 return this.color;
86 }
87
88 /*
89 * (non-Javadoc)
90 *
91 * @see net.sf.jtreemap.swing.ColorProvider#getLegendPanel()
92 */
93 @Override
94 public JPanel getLegendPanel() {
95 if (this.legend == null) {
96 this.legend = new Legend();
97 }
98 return this.legend;
99 }
100
101 /**
102 * Panel with the legend.
103 *
104 * @author Laurent Dutheil
105 */
106 private static class Legend extends JPanel {
107 private static final int LEGEND_Y_POS = 20;
108
109 private static final int LEGEND_X_POS = 20;
110
111 private static final int LEGEND_HEIGHT = 40;
112
113 private static final int LEGEND_WIDTH = 100;
114
115 private static final long serialVersionUID = -8046211081305644785L;
116
117 private static final String TEXT = "Unique Color Provider";
118
119 /**
120 * Constructor.
121 */
122 public Legend() {
123 this.setPreferredSize(new java.awt.Dimension(LEGEND_WIDTH, LEGEND_HEIGHT));
124
125 }
126
127 @Override
128 public void paint(final Graphics g) {
129 g.setColor(Color.black);
130 g.drawString(Legend.TEXT, LEGEND_X_POS, LEGEND_Y_POS);
131 }
132 }
133 }
134 /*
135 * ObjectLab is supporing JTreeMap
136 *
137 * Based in London, we are world leaders in the design and development
138 * of bespoke applications for the securities financing markets.
139 *
140 * <a href="http://www.objectlab.co.uk/open">Click here to learn more about us</a>
141 * ___ _ _ _ _ _
142 * / _ \| |__ (_) ___ ___| |_| | __ _| |__
143 * | | | | '_ \| |/ _ \/ __| __| | / _` | '_ \
144 * | |_| | |_) | | __/ (__| |_| |__| (_| | |_) |
145 * \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
146 * |__/
147 *
148 * www.ObjectLab.co.uk
149 */