| /******************************************************************************* |
| * <copyright> |
| * |
| * Copyright (c) 2005, 2012 SAP AG. |
| * 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: |
| * SAP AG - initial API, implementation and documentation |
| * Craig Petre - mwenz - Bug 378083 - Focus editor on DnD events from another control |
| * |
| * </copyright> |
| * |
| *******************************************************************************/ |
| package org.eclipse.graphiti.ui.internal.dnd; |
| |
| import org.eclipse.gef.EditPartViewer; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gef.dnd.AbstractTransferDropTargetListener; |
| import org.eclipse.gef.requests.CreateRequest; |
| import org.eclipse.gef.requests.CreationFactory; |
| import org.eclipse.jface.util.LocalSelectionTransfer; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.swt.dnd.DND; |
| |
| /** |
| * @noinstantiate This class is not intended to be instantiated by clients. |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class ObjectsTransferDropTargetListener extends AbstractTransferDropTargetListener { |
| |
| public ObjectsTransferDropTargetListener(EditPartViewer viewer) { |
| super(viewer, LocalSelectionTransfer.getTransfer()); |
| setEnablementDeterminedByCommand(true); |
| } |
| |
| @Override |
| protected void handleDrop() { |
| super.handleDrop(); |
| if (getCurrentEvent().detail == DND.DROP_MOVE) { |
| getCurrentEvent().detail = DND.DROP_COPY; |
| } |
| // Bug 378083 - set focus to diagram editor after drop |
| getViewer().getControl().setFocus(); |
| } |
| |
| @Override |
| protected void updateTargetRequest() { |
| ((CreateRequest) getTargetRequest()).setLocation(getDropLocation()); |
| } |
| |
| @Override |
| protected Request createTargetRequest() { |
| CreateRequest request = new CreateRequest(); |
| |
| request.setFactory(new MyCreationFactory()); |
| request.setLocation(getDropLocation()); |
| return request; |
| } |
| |
| @Override |
| protected void handleDragOver() { |
| |
| super.handleDragOver(); |
| |
| Command command = getCommand(); |
| if (command != null && command.canExecute()) |
| getCurrentEvent().detail = DND.DROP_COPY; |
| } |
| |
| private class MyCreationFactory implements CreationFactory { |
| |
| public MyCreationFactory() { |
| } |
| |
| public Object getNewObject() { |
| return LocalSelectionTransfer.getTransfer().getSelection(); |
| } |
| |
| public Object getObjectType() { |
| return ISelection.class; |
| } |
| } |
| } |