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DnDConstants.java
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/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.awt.dnd;
import java.lang.annotation.Native;
/**
* This class contains constant values representing
* the type of action(s) to be performed by a Drag and Drop operation.
* @since 1.2
*/
public final class DnDConstants {
private DnDConstants() {} // define null private constructor.
/**
* An <code>int</code> representing no action.
*/
@Native public static final int ACTION_NONE = 0x0;
/**
* An <code>int</code> representing a "copy" action.
*/
@Native public static final int ACTION_COPY = 0x1;
/**
* An <code>int</code> representing a "move" action.
*/
@Native public static final int ACTION_MOVE = 0x2;
/**
* An <code>int</code> representing a "copy" or
* "move" action.
*/
@Native 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.
*/
@Native public static final int ACTION_LINK = 0x40000000;
/**
* An <code>int</code> representing a "reference"
* action (synonym for ACTION_LINK).
*/
@Native public static final int ACTION_REFERENCE = ACTION_LINK;
}