1 /*
2
3 dsh-identify Lightweight components for identifiable beans.
4 Copyright (c) 2003-2019 held jointly by the individual authors.
5
6 This library is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 3 of the License, or (at
9 your option) any later version.
10
11 This library is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with this library; if not, write to the Free Software Foundation,
18 Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19
20 > http://www.fsf.org/licensing/licenses/lgpl.html
21 > http://www.opensource.org/licenses/lgpl-license.php
22
23 */
24 package org.dishevelled.identify;
25
26 import java.awt.Component;
27 import java.awt.Color;
28
29 import javax.swing.DefaultListCellRenderer;
30 import javax.swing.JLabel;
31 import javax.swing.JList;
32 import javax.swing.UIManager;
33
34 /**
35 * Stripe list cell renderer.
36 *
37 * @since 1.2
38 * @author Michael Heuer
39 */
40 public class StripeListCellRenderer extends DefaultListCellRenderer {
41 /** Background color for odd rows. */
42 private Color oddRowBackgroundColor = DEFAULT_ODD_ROW_BACKGROUND_COLOR;
43
44 /** Default background color for odd rows, <code>2a5703, 5% alpha</code>. */
45 public static final Color DEFAULT_ODD_ROW_BACKGROUND_COLOR = new Color(42, 87, 3, 12); // 2a5703, 5% alpha
46
47 /**
48 * Return the background color for odd rows. Defaults to DEFAULT_ODD_ROW_BACKGROUND_COLOR.
49 *
50 * @return the background color for odd rows
51 */
52 public final Color getOddRowBackgroundColor()
53 {
54 return oddRowBackgroundColor;
55 }
56
57 /**
58 * Set the background color for odd rows to <code>oddRowBackgroundColor</code>.
59 *
60 * <p>This is a bound property.</p>
61 *
62 * @param oddRowBackgroundColor background color for odd rows, must not be null
63 */
64 public final void setOddRowBackgroundColor(final Color oddRowBackgroundColor)
65 {
66 if (oddRowBackgroundColor == null)
67 {
68 throw new IllegalArgumentException("oddRowBackgroundColor must not be null");
69 }
70 Color oldOddRowBackgroundColor = this.oddRowBackgroundColor;
71 this.oddRowBackgroundColor = oddRowBackgroundColor;
72 firePropertyChange("oddRowBackgroundColor", oldOddRowBackgroundColor, this.oddRowBackgroundColor);
73 }
74
75 @Override
76 public Component getListCellRendererComponent(final JList list, final Object value, final int index, boolean isSelected, boolean hasFocus)
77 {
78 JLabel label = (JLabel) super.getListCellRendererComponent(list, value, index, isSelected, hasFocus);
79
80 if (isSelected)
81 {
82 label.setForeground(UIManager.getColor("List.selectionForeground"));
83 label.setBackground(UIManager.getColor("List.selectionBackground"));
84 }
85 else
86 {
87 label.setForeground(UIManager.getColor("List.foreground"));
88
89 if (index % 2 == 1)
90 {
91 label.setBackground(oddRowBackgroundColor);
92 }
93 else
94 {
95 label.setBackground(UIManager.getColor("List.background"));
96 }
97 }
98 return label;
99 }
100
101 /**
102 * Install a stripe list cell renderer for the specified list.
103 *
104 * @param <T> list element type
105 * @param list list, must not be null
106 */
107 public static <T> void install(final JList<T> list)
108 {
109 if (list == null)
110 {
111 throw new IllegalArgumentException("list must not be null");
112 }
113 StripeListCellRenderertml#StripeListCellRenderer">StripeListCellRenderer renderer = new StripeListCellRenderer();
114 list.setCellRenderer(renderer);
115 }
116 }