Mercurial > projects > dwt2
view org.eclipse.jface/src/org/eclipse/jface/util/TransferDragSourceListener.d @ 12:bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 14 Mar 2009 18:23:29 +0100 |
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/******************************************************************************* * Copyright (c) 2000, 2005 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module org.eclipse.jface.util.TransferDragSourceListener; import org.eclipse.swt.dnd.DragSourceListener; import org.eclipse.swt.dnd.Transfer; import java.lang.all; import java.util.Set; /** * A <code>TransferDragSourceListener</code> is a <code>DragSourceListener</code> * that can handle one type of SWT {@link Transfer}. * The purpose of a <code>TransferDragSourceListener</code> is to: * <ul> * <li>Determine enablement for a drag operation. A <code>TransferDragSourceListener</code> * will not be used in a drag operation if the <code>DragSourceEvent#doit</code> field * is set to false in <code>DragSourceListener#dragStart(DragSourceEvent)</code>. * <li>Set data for a single type of drag and <code>Transfer</code> type. * </ul> * <p> * A <code>DelegatingDragAdapter</code> allows these functions to be implemented * separately for unrelated types of drags. <code>DelegatingDragAdapter</code> then * combines the function of each <code>TransferDragSourceListener</code>, while * allowing them to be implemented as if they were the only <code>DragSourceListener</code>. * </p> * @since 3.0 */ public interface TransferDragSourceListener : DragSourceListener { /** * Returns the <code>Transfer</code> type that this listener can provide data for. * * @return the <code>Transfer</code> associated with this listener */ Transfer getTransfer(); }