KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > eclipse > ui > internal > navigator > extensions > SkeletonCommonDragAssistant


1 /*******************************************************************************
2  * Copyright (c) 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  ******************************************************************************/
11
12 package org.eclipse.ui.internal.navigator.extensions;
13
14 import org.eclipse.jface.viewers.IStructuredSelection;
15 import org.eclipse.swt.dnd.DragSourceEvent;
16 import org.eclipse.swt.dnd.Transfer;
17 import org.eclipse.ui.navigator.CommonDragAdapterAssistant;
18
19 /**
20  * A Skeleton implementation of {@link CommonDragAdapterAssistant}.
21  *
22  * @since 3.2
23  *
24  */
25 public final class SkeletonCommonDragAssistant extends
26         CommonDragAdapterAssistant {
27
28     /**
29      * The singleton instance.
30      */
31     public static final SkeletonCommonDragAssistant INSTANCE = new SkeletonCommonDragAssistant();
32
33     private static final Transfer[] NO_TRANSFER_TYPES = new Transfer[0];
34
35     private SkeletonCommonDragAssistant() {
36     }
37
38     /*
39      * (non-Javadoc)
40      *
41      * @see org.eclipse.ui.navigator.CommonDragAdapterAssistant#getSupportedTransferTypes()
42      */
43     public Transfer[] getSupportedTransferTypes() {
44         return NO_TRANSFER_TYPES;
45     }
46
47     /*
48      * (non-Javadoc)
49      *
50      * @see org.eclipse.ui.navigator.CommonDragAdapterAssistant#setDragData(org.eclipse.swt.dnd.DragSourceEvent,
51      * org.eclipse.jface.viewers.IStructuredSelection)
52      */
53     public boolean setDragData(DragSourceEvent anEvent,
54             IStructuredSelection aSelection) {
55         return false;
56
57     }
58
59 }
60
Popular Tags