+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package net.sourceforge.phpdt.internal.ui.dnd;
-
-import org.eclipse.jface.util.Assert;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.jface.viewers.StructuredViewer;
-import org.eclipse.swt.dnd.DragSourceEvent;
-
-public class JdtViewerDragAdapter extends DelegatingDragAdapter {
-
- private StructuredViewer fViewer;
-
- public JdtViewerDragAdapter(StructuredViewer viewer,
- TransferDragSourceListener[] listeners) {
- super(listeners);
- Assert.isNotNull(viewer);
- fViewer = viewer;
- }
-
- public void dragStart(DragSourceEvent event) {
- IStructuredSelection selection = (IStructuredSelection) fViewer
- .getSelection();
- if (selection.isEmpty()) {
- event.doit = false;
- return;
- }
- super.dragStart(event);
- }
-}