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85 lines
2.1 KiB
85 lines
2.1 KiB
/*
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* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package java.awt.dnd;
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import java.lang.annotation.Native;
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/**
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* This class contains constant values representing
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* the type of action(s) to be performed by a Drag and Drop operation.
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* @since 1.2
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*/
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public final class DnDConstants {
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private DnDConstants() {} // define null private constructor.
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/**
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* An <code>int</code> representing no action.
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*/
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@Native public static final int ACTION_NONE = 0x0;
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/**
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* An <code>int</code> representing a "copy" action.
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*/
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@Native public static final int ACTION_COPY = 0x1;
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/**
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* An <code>int</code> representing a "move" action.
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*/
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@Native public static final int ACTION_MOVE = 0x2;
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/**
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* An <code>int</code> representing a "copy" or
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* "move" action.
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*/
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@Native public static final int ACTION_COPY_OR_MOVE = ACTION_COPY | ACTION_MOVE;
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/**
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* An <code>int</code> representing a "link" action.
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*
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* The link verb is found in many, if not all native DnD platforms, and the
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* actual interpretation of LINK semantics is both platform
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* and application dependent. Broadly speaking, the
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* semantic is "do not copy, or move the operand, but create a reference
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* to it". Defining the meaning of "reference" is where ambiguity is
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* introduced.
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*
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* The verb is provided for completeness, but its use is not recommended
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* for DnD operations between logically distinct applications where
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* misinterpretation of the operations semantics could lead to confusing
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* results for the user.
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*/
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@Native public static final int ACTION_LINK = 0x40000000;
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/**
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* An <code>int</code> representing a "reference"
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* action (synonym for ACTION_LINK).
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*/
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@Native public static final int ACTION_REFERENCE = ACTION_LINK;
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}
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