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annotate org.eclipse.jface/src/org/eclipse/jface/util/TransferDragSourceListener.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.jface.util.TransferDragSourceListener;
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15 import org.eclipse.swt.dnd.DragSourceListener;
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16 import org.eclipse.swt.dnd.Transfer;
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17
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18 import java.lang.all;
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19 import java.util.Set;
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20
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21 /**
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22 * A <code>TransferDragSourceListener</code> is a <code>DragSourceListener</code>
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23 * that can handle one type of SWT {@link Transfer}.
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24 * The purpose of a <code>TransferDragSourceListener</code> is to:
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25 * <ul>
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26 * <li>Determine enablement for a drag operation. A <code>TransferDragSourceListener</code>
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27 * will not be used in a drag operation if the <code>DragSourceEvent#doit</code> field
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28 * is set to false in <code>DragSourceListener#dragStart(DragSourceEvent)</code>.
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29 * <li>Set data for a single type of drag and <code>Transfer</code> type.
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30 * </ul>
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31 * <p>
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32 * A <code>DelegatingDragAdapter</code> allows these functions to be implemented
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33 * separately for unrelated types of drags. <code>DelegatingDragAdapter</code> then
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34 * combines the function of each <code>TransferDragSourceListener</code>, while
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35 * allowing them to be implemented as if they were the only <code>DragSourceListener</code>.
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36 * </p>
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37 * @since 3.0
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38 */
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39 public interface TransferDragSourceListener : DragSourceListener {
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40 /**
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41 * Returns the <code>Transfer</code> type that this listener can provide data for.
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42 *
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43 * @return the <code>Transfer</code> associated with this listener
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44 */
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45 Transfer getTransfer();
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46 }