author | dxu |
Thu, 04 Apr 2013 15:39:17 -0700 | |
changeset 16734 | da1901d79073 |
parent 12813 | c10ab96dcf41 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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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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} |