1 /*
2 * Copyright 1997-1999 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.swing;
27
28
29 /**
30 * Constants used with the JScrollPane component.
31 *
32 * @author Hans Muller
33 */
34 public interface ScrollPaneConstants
35 {
36 /**
37 * Identifies a "viewport" or display area, within which
38 * scrolled contents are visible.
39 */
40 String VIEWPORT = "VIEWPORT";
41 /** Identifies a vertical scrollbar. */
42 String VERTICAL_SCROLLBAR = "VERTICAL_SCROLLBAR";
43 /** Identifies a horizonal scrollbar. */
44 String HORIZONTAL_SCROLLBAR = "HORIZONTAL_SCROLLBAR";
45 /**
46 * Identifies the area along the left side of the viewport between the
47 * upper left corner and the lower left corner.
48 */
49 String ROW_HEADER = "ROW_HEADER";
50 /**
51 * Identifies the area at the top the viewport between the
52 * upper left corner and the upper right corner.
53 */
54 String COLUMN_HEADER = "COLUMN_HEADER";
55 /** Identifies the lower left corner of the viewport. */
56 String LOWER_LEFT_CORNER = "LOWER_LEFT_CORNER";
57 /** Identifies the lower right corner of the viewport. */
58 String LOWER_RIGHT_CORNER = "LOWER_RIGHT_CORNER";
59 /** Identifies the upper left corner of the viewport. */
60 String UPPER_LEFT_CORNER = "UPPER_LEFT_CORNER";
61 /** Identifies the upper right corner of the viewport. */
62 String UPPER_RIGHT_CORNER = "UPPER_RIGHT_CORNER";
63
64 /** Identifies the lower leading edge corner of the viewport. The leading edge
65 * is determined relative to the Scroll Pane's ComponentOrientation property.
66 */
67 String LOWER_LEADING_CORNER = "LOWER_LEADING_CORNER";
68 /** Identifies the lower trailing edge corner of the viewport. The trailing edge
69 * is determined relative to the Scroll Pane's ComponentOrientation property.
70 */
71 String LOWER_TRAILING_CORNER = "LOWER_TRAILING_CORNER";
72 /** Identifies the upper leading edge corner of the viewport. The leading edge
73 * is determined relative to the Scroll Pane's ComponentOrientation property.
74 */
75 String UPPER_LEADING_CORNER = "UPPER_LEADING_CORNER";
76 /** Identifies the upper trailing edge corner of the viewport. The trailing edge
77 * is determined relative to the Scroll Pane's ComponentOrientation property.
78 */
79 String UPPER_TRAILING_CORNER = "UPPER_TRAILING_CORNER";
80
81 /** Identifies the vertical scroll bar policy property. */
82 String VERTICAL_SCROLLBAR_POLICY = "VERTICAL_SCROLLBAR_POLICY";
83 /** Identifies the horizontal scroll bar policy property. */
84 String HORIZONTAL_SCROLLBAR_POLICY = "HORIZONTAL_SCROLLBAR_POLICY";
85
86 /**
87 * Used to set the vertical scroll bar policy so that
88 * vertical scrollbars are displayed only when needed.
89 */
90 int VERTICAL_SCROLLBAR_AS_NEEDED = 20;
91 /**
92 * Used to set the vertical scroll bar policy so that
93 * vertical scrollbars are never displayed.
94 */
95 int VERTICAL_SCROLLBAR_NEVER = 21;
96 /**
97 * Used to set the vertical scroll bar policy so that
98 * vertical scrollbars are always displayed.
99 */
100 int VERTICAL_SCROLLBAR_ALWAYS = 22;
101
102 /**
103 * Used to set the horizontal scroll bar policy so that
104 * horizontal scrollbars are displayed only when needed.
105 */
106 int HORIZONTAL_SCROLLBAR_AS_NEEDED = 30;
107 /**
108 * Used to set the horizontal scroll bar policy so that
109 * horizontal scrollbars are never displayed.
110 */
111 int HORIZONTAL_SCROLLBAR_NEVER = 31;
112 /**
113 * Used to set the horizontal scroll bar policy so that
114 * horizontal scrollbars are always displayed.
115 */
116 int HORIZONTAL_SCROLLBAR_ALWAYS = 32;
117 }
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