| /******************************************************************************* |
| * Copyright (c) 2004, 2008 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.sandbox.ui.views; |
| |
| import org.eclipse.jface.util.LocalSelectionTransfer; |
| import org.eclipse.jface.util.TransferDragSourceListener; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.swt.dnd.DND; |
| import org.eclipse.swt.dnd.DragSourceAdapter; |
| import org.eclipse.swt.dnd.DragSourceEvent; |
| import org.eclipse.swt.dnd.Transfer; |
| |
| /** |
| * @author Mik Kersten |
| */ |
| public class ActiveViewSelectionDragAdapter extends DragSourceAdapter implements TransferDragSourceListener { |
| |
| private final ISelectionProvider fProvider; |
| |
| public ActiveViewSelectionDragAdapter(ISelectionProvider provider) { |
| assert provider != null; |
| fProvider = provider; |
| } |
| |
| public Transfer getTransfer() { |
| return LocalSelectionTransfer.getTransfer(); |
| } |
| |
| @Override |
| public void dragStart(DragSourceEvent event) { |
| ISelection selection = fProvider.getSelection(); |
| LocalSelectionTransfer.getTransfer().setSelection(selection); |
| LocalSelectionTransfer.getTransfer().setSelectionSetTime(event.time & 0xFFFFFFFFL); |
| event.doit = isDragable(selection); |
| } |
| |
| protected boolean isDragable(ISelection selection) { |
| return true; |
| } |
| |
| @Override |
| public void dragSetData(DragSourceEvent event) { |
| event.data = LocalSelectionTransfer.getTransfer().getSelection(); |
| } |
| |
| @Override |
| public void dragFinished(DragSourceEvent event) { |
| assert event.detail != DND.DROP_MOVE; |
| LocalSelectionTransfer.getTransfer().setSelection(null); |
| LocalSelectionTransfer.getTransfer().setSelectionSetTime(0); |
| } |
| } |