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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 1999, 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 | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 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 | * | ||
| 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package java.awt.dnd; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * This class contains constant values representing | ||
| 30 | * the type of action(s) to be performed by a Drag and Drop operation. | ||
| 31 | * @since 1.2 | ||
| 32 | */ | ||
| 33 | |||
| 34 | public final class DnDConstants { | ||
| 35 | |||
| 36 | private DnDConstants() {} // define null private constructor. | ||
| 37 | |||
| 38 | /** | ||
| 39 | * An <code>int</code> representing no action. | ||
| 40 | */ | ||
| 41 | public static final int ACTION_NONE = 0x0; | ||
| 42 | |||
| 43 | /** | ||
| 44 | * An <code>int</code> representing a "copy" action. | ||
| 45 | */ | ||
| 46 | public static final int ACTION_COPY = 0x1; | ||
| 47 | |||
| 48 | /** | ||
| 49 | * An <code>int</code> representing a "move" action. | ||
| 50 | */ | ||
| 51 | public static final int ACTION_MOVE = 0x2; | ||
| 52 | |||
| 53 | /** | ||
| 54 | * An <code>int</code> representing a "copy" or | ||
| 55 | * "move" action. | ||
| 56 | */ | ||
| 57 | public static final int ACTION_COPY_OR_MOVE = ACTION_COPY | ACTION_MOVE; | ||
| 58 | |||
| 59 | /** | ||
| 60 | * An <code>int</code> representing a "link" action. | ||
| 61 | * | ||
| 62 | * The link verb is found in many, if not all native DnD platforms, and the | ||
| 63 | * actual interpretation of LINK semantics is both platform | ||
| 64 | * and application dependent. Broadly speaking, the | ||
| 65 | * semantic is "do not copy, or move the operand, but create a reference | ||
| 66 | * to it". Defining the meaning of "reference" is where ambiguity is | ||
| 67 | * introduced. | ||
| 68 | * | ||
| 69 | * The verb is provided for completeness, but its use is not recommended | ||
| 70 | * for DnD operations between logically distinct applications where | ||
| 71 | * misinterpretation of the operations semantics could lead to confusing | ||
| 72 | * results for the user. | ||
| 73 | */ | ||
| 74 | |||
| 75 | public static final int ACTION_LINK = 0x40000000; | ||
| 76 | |||
| 77 | /** | ||
| 78 | * An <code>int</code> representing a "reference" | ||
| 79 | * action (synonym for ACTION_LINK). | ||
| 80 | */ | ||
| 81 | public static final int ACTION_REFERENCE = ACTION_LINK; | ||
| 82 | |||
| 83 | } | ||