| EdgeBorder.java |
1 /**
2 * Distribution License:
3 * JSword is free software; you can redistribute it and/or modify it under
4 * the terms of the GNU Lesser General Public License, version 2.1 as published by
5 * the Free Software Foundation. This program is distributed in the hope
6 * that it will be useful, but WITHOUT ANY WARRANTY; without even the
7 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
8 * See the GNU Lesser General Public License for more details.
9 *
10 * The License is available on the internet at:
11 * http://www.gnu.org/copyleft/lgpl.html
12 * or by writing to:
13 * Free Software Foundation, Inc.
14 * 59 Temple Place - Suite 330
15 * Boston, MA 02111-1307, USA
16 *
17 * Copyright: 2005
18 * The copyright to this program is held by it's authors.
19 *
20 * ID: $Id: EdgeBorder.java 1966 2009-10-30 01:15:14Z dmsmith $
21 */
22 package org.crosswire.common.swing;
23
24 import java.awt.Component;
25 import java.awt.Graphics;
26 import java.awt.Insets;
27
28 import javax.swing.SwingConstants;
29 import javax.swing.border.Border;
30
31 /**
32 * EdgeBorder.
33 *
34 * @see gnu.lgpl.License for license details.<br>
35 * The copyright to this program is held by it's authors.
36 * @author Joe Walker
37 * @author Claude Duguay Copyright (c) 1998
38 */
39 public class EdgeBorder implements Border, SwingConstants {
40 /**
41 * Create an EdgeBorder showing a northern border
42 */
43 public EdgeBorder() {
44 this(NORTH);
45 }
46
47 /**
48 * Create an EdgeBorder with a selected edge
49 *
50 * @param edge
51 * The edge to display
52 */
53 public EdgeBorder(int edge) {
54 this.edge = edge;
55 }
56
57 /**
58 * Get the insets for a given component
59 */
60 public Insets getBorderInsets(Component component) {
61 switch (edge) {
62 case SOUTH:
63 return new Insets(0, 0, 2, 0);
64 case EAST:
65 return new Insets(0, 2, 0, 0);
66 case WEST:
67 return new Insets(0, 0, 0, 2);
68 default:
69 return new Insets(2, 0, 0, 0);
70 }
71 }
72
73 /**
74 * Is this border opaque
75 *
76 * @return true/false if the border if opaque
77 */
78 public boolean isBorderOpaque() {
79 return true;
80 }
81
82 /**
83 * Actually go and paint the border
84 */
85 public void paintBorder(Component component, Graphics g, int x, int y, int w, int h) {
86 if (lift == RAISED) {
87 g.setColor(component.getBackground().brighter());
88 } else {
89 g.setColor(component.getBackground().darker());
90 }
91
92 switch (edge) {
93 case SOUTH:
94 g.drawLine(x, y + h - 2, w, y + h - 2);
95 break;
96 case EAST:
97 g.drawLine(x + w - 2, y, x + w - 2, y + h);
98 break;
99 case WEST:
100 g.drawLine(x + 1, y, x + 1, y + h);
101 break;
102 default:
103 g.drawLine(x, y, x + w, y);
104 }
105
106 if (lift == RAISED) {
107 g.setColor(component.getBackground().darker());
108 } else {
109 g.setColor(component.getBackground().brighter());
110 }
111
112 switch (edge) {
113 case SOUTH:
114 g.drawLine(x, y + h - 1, w, y + h - 1);
115 break;
116 case EAST:
117 g.drawLine(x + w - 1, y, x + w - 1, y + h);
118 break;
119 case WEST:
120 g.drawLine(x + 1, y, x + 1, y + h);
121 break;
122 default:
123 g.drawLine(x, y + 1, x + w, y + 1);
124 }
125 }
126
127 /** A raised border */
128 public static final int RAISED = 1;
129
130 /** A lowered border */
131 public static final int LOWERED = 2;
132
133 /** The edge to draw */
134 protected int edge = NORTH;
135
136 /** The raised/lowered state */
137 protected int lift = LOWERED;
138 }
139