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JDK 1.6
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/* * @(#)DnDConstants.java 1.20 05/11/17 * * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package java.awt.dnd; /** * This class contains constant values representing * the type of action(s) to be performed by a Drag and Drop operation. * @version 1.20, 11/17/05 * @since 1.2 */ public final class DnDConstants { private DnDConstants() {} // define null private constructor. /** * An <code>int</code> representing no action. */ public static final int ACTION_NONE = 0x0; /** * An <code>int</code> representing a "copy" action. */ public static final int ACTION_COPY = 0x1; /** * An <code>int</code> representing a "move" action. */ public static final int ACTION_MOVE = 0x2; /** * An <code>int</code> representing a "copy" or * "move" action. */ public static final int ACTION_COPY_OR_MOVE = ACTION_COPY | ACTION_MOVE; /** * An <code>int</code> representing a "link" action. * * The link verb is found in many, if not all native DnD platforms, and the * actual interpretation of LINK semantics is both platform * and application dependent. Broadly speaking, the * semantic is "do not copy, or move the operand, but create a reference * to it". Defining the meaning of "reference" is where ambiguity is * introduced. * * The verb is provided for completeness, but its use is not recommended * for DnD operations between logically distinct applications where * misinterpretation of the operations semantics could lead to confusing * results for the user. */ public static final int ACTION_LINK = 0x40000000; /** * An <code>int</code> representing a "reference" * action (synonym for ACTION_LINK). */ public static final int ACTION_REFERENCE = ACTION_LINK; }
