| /* |
| * Copyright (c) 2014 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.oomph.internal.ui; |
| |
| import org.eclipse.oomph.edit.BaseAdapterFactoryEditingDomain; |
| import org.eclipse.oomph.ui.UIUtil; |
| |
| import org.eclipse.emf.common.command.CommandStack; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.ecore.resource.Resource; |
| |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.swt.dnd.Clipboard; |
| import org.eclipse.swt.dnd.DND; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.dnd.TransferData; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * @author Ed Merks |
| */ |
| public class OomphEditingDomain extends BaseAdapterFactoryEditingDomain |
| { |
| protected List<OomphTransferDelegate> delegates; |
| |
| public OomphEditingDomain(AdapterFactory adapterFactory, CommandStack commandStack, Map<Resource, Boolean> resourceToReadOnlyMap, |
| List<? extends OomphTransferDelegate> delegates) |
| { |
| super(adapterFactory, commandStack, resourceToReadOnlyMap); |
| this.delegates = new ArrayList<OomphTransferDelegate>(delegates); |
| } |
| |
| public void registerDragAndDrop(StructuredViewer viewer) |
| { |
| int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK; |
| List<? extends Transfer> transfersList = OomphTransferDelegate.asTransfers(delegates); |
| Transfer[] transfers = transfersList.toArray(new Transfer[transfersList.size()]); |
| viewer.addDragSupport(dndOperations, transfers, new OomphDragAdapter(this, viewer, delegates)); |
| viewer.addDropSupport(dndOperations, transfers, new OomphDropAdapter(this, viewer, delegates)); |
| } |
| |
| @Override |
| public Collection<Object> getClipboard() |
| { |
| Clipboard systemClipboard = new Clipboard(UIUtil.getDisplay()); |
| try |
| { |
| for (OomphTransferDelegate delegate : delegates) |
| { |
| for (TransferData transferData : systemClipboard.getAvailableTypes()) |
| { |
| if (delegate.isSupportedType(transferData)) |
| { |
| Object data = systemClipboard.getContents(delegate.getTransfer()); |
| if (data != null) |
| { |
| Collection<?> value = delegate.getValue(this, data); |
| if (!value.isEmpty()) |
| { |
| return new ArrayList<Object>(value); |
| } |
| } |
| } |
| } |
| } |
| |
| return super.getClipboard(); |
| } |
| finally |
| { |
| systemClipboard.dispose(); |
| } |
| } |
| |
| @Override |
| public void setClipboard(final Collection<Object> clipboard) |
| { |
| Clipboard systemClipboard = new Clipboard(UIUtil.getDisplay()); |
| try |
| { |
| super.setClipboard(clipboard); |
| |
| List<Object> data = new ArrayList<Object>(); |
| List<Transfer> dataTransfers = new ArrayList<Transfer>(); |
| for (OomphTransferDelegate delegate : delegates) |
| { |
| delegate.setSelection(this, clipboard == null ? new StructuredSelection() : new StructuredSelection(clipboard.toArray())); |
| Object value = delegate.getData(); |
| if (value != null) |
| { |
| data.add(value); |
| dataTransfers.add(delegate.getTransfer()); |
| } |
| } |
| |
| systemClipboard.setContents(data.toArray(), dataTransfers.toArray(new Transfer[dataTransfers.size()])); |
| } |
| finally |
| { |
| systemClipboard.dispose(); |
| |
| for (OomphTransferDelegate delegate : delegates) |
| { |
| delegate.clear(); |
| } |
| } |
| } |
| } |