DropMode.java revision 10444:f08705540498
1/*
2 * Copyright (c) 2005, Oracle and/or its affiliates. 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
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7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 *
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24 */
25package javax.swing;
26
27/**
28 * Drop modes, used to determine the method by which a component
29 * tracks and indicates a drop location during drag and drop.
30 *
31 * @author Shannon Hickey
32 * @see JTable#setDropMode
33 * @see JList#setDropMode
34 * @see JTree#setDropMode
35 * @see javax.swing.text.JTextComponent#setDropMode
36 * @since 1.6
37 */
38public enum DropMode {
39
40    /**
41     * A component's own internal selection mechanism (or caret for text
42     * components) should be used to track the drop location.
43     */
44    USE_SELECTION,
45
46    /**
47     * The drop location should be tracked in terms of the index of
48     * existing items. Useful for dropping on items in tables, lists,
49     * and trees.
50     */
51    ON,
52
53    /**
54     * The drop location should be tracked in terms of the position
55     * where new data should be inserted. For components that manage
56     * a list of items (list and tree for example), the drop location
57     * should indicate the index where new data should be inserted.
58     * For text components the location should represent a position
59     * between characters. For components that manage tabular data
60     * (table for example), the drop location should indicate
61     * where to insert new rows, columns, or both, to accommodate
62     * the dropped data.
63     */
64    INSERT,
65
66    /**
67     * The drop location should be tracked in terms of the row index
68     * where new rows should be inserted to accommodate the dropped
69     * data. This is useful for components that manage tabular data.
70     */
71    INSERT_ROWS,
72
73    /**
74     * The drop location should be tracked in terms of the column index
75     * where new columns should be inserted to accommodate the dropped
76     * data. This is useful for components that manage tabular data.
77     */
78    INSERT_COLS,
79
80    /**
81     * This mode is a combination of <code>ON</code>
82     * and <code>INSERT</code>, specifying that data can be
83     * dropped on existing items, or in insert locations
84     * as specified by <code>INSERT</code>.
85     */
86    ON_OR_INSERT,
87
88    /**
89     * This mode is a combination of <code>ON</code>
90     * and <code>INSERT_ROWS</code>, specifying that data can be
91     * dropped on existing items, or as insert rows
92     * as specified by <code>INSERT_ROWS</code>.
93     */
94    ON_OR_INSERT_ROWS,
95
96    /**
97     * This mode is a combination of <code>ON</code>
98     * and <code>INSERT_COLS</code>, specifying that data can be
99     * dropped on existing items, or as insert columns
100     * as specified by <code>INSERT_COLS</code>.
101     */
102    ON_OR_INSERT_COLS
103}
104