| /******************************************************************************* |
| * Copyright (c) 2006 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.team.internal.ui.history; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.swt.dnd.DND; |
| import org.eclipse.swt.dnd.DropTargetEvent; |
| import org.eclipse.swt.dnd.TransferData; |
| import org.eclipse.ui.part.PluginDropAdapter; |
| import org.eclipse.ui.part.ResourceTransfer; |
| |
| public class GenericHistoryDropAdapter extends PluginDropAdapter { |
| |
| private GenericHistoryView view; |
| |
| public GenericHistoryDropAdapter(GenericHistoryView view) { |
| super(null); |
| this.view = view; |
| } |
| |
| /* |
| * Override dragOver to slam the detail to DROP_LINK, as we do not |
| * want to really execute a DROP_MOVE, although we want to respond |
| * to it. |
| */ |
| @Override |
| public void dragOver(DropTargetEvent event) { |
| if ((event.operations & DND.DROP_LINK) == DND.DROP_LINK) { |
| event.detail = DND.DROP_LINK; |
| } |
| super.dragOver(event); |
| } |
| |
| /* |
| * Override drop to slam the detail to DROP_LINK, as we do not |
| * want to really execute a DROP_MOVE, although we want to respond |
| * to it. |
| */ |
| @Override |
| public void drop(DropTargetEvent event) { |
| super.drop(event); |
| event.detail = DND.DROP_LINK; |
| } |
| |
| @Override |
| public boolean performDrop(Object data) { |
| if (data == null) |
| return false; |
| if (data instanceof IResource[]) { |
| IResource[] sources = (IResource[]) data; |
| if (sources.length == 0) |
| return false; |
| IResource resource = sources[0]; |
| //Allow all resources types through to the view, the individual pages can decide |
| //which ones to handle |
| view.showHistoryPageFor(resource, true, true, null); |
| |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean validateDrop(Object target, int operation, TransferData transferType) { |
| if (transferType != null && ResourceTransfer.getInstance().isSupportedType(transferType)) { |
| return true; |
| } |
| |
| return super.validateDrop(target, operation, transferType); |
| } |
| |
| @Override |
| protected Object getCurrentTarget() { |
| return view; |
| } |
| } |