| /** |
| * Copyright (c) 2013 Obeo. |
| * 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: |
| * Obeo - initial API and implementation |
| */ |
| package org.eclipse.emf.compare.diagram.internal.extensions.provider.spec; |
| |
| import com.google.common.collect.Iterators; |
| |
| import org.eclipse.emf.compare.Diff; |
| import org.eclipse.emf.compare.DifferenceKind; |
| import org.eclipse.emf.compare.ResourceAttachmentChange; |
| import org.eclipse.emf.compare.diagram.internal.extensions.DiagramDiff; |
| import org.eclipse.emf.compare.diagram.internal.factories.extensions.DiagramChangeFactory; |
| import org.eclipse.emf.edit.provider.ItemProviderAdapter; |
| |
| /** |
| * Item provider for node changes. |
| * |
| * @author <a href="mailto:cedric.notot@obeo.fr">Cedric Notot</a> |
| */ |
| public class DiagramChangeItemProviderSpec extends ForwardingDiagramDiffItemProvider { |
| |
| /** |
| * Constructor. |
| * |
| * @param delegate |
| * The origin item provider adapter. |
| */ |
| public DiagramChangeItemProviderSpec(ItemProviderAdapter delegate) { |
| super(delegate); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.diagram.internal.extensions.provider.spec.ForwardingDiagramDiffItemProvider#getReferenceText(org.eclipse.emf.compare.diagram.internal.extensions.DiagramDiff) |
| */ |
| @Override |
| protected String getReferenceText(DiagramDiff diagramDiff) { |
| String result = ""; //$NON-NLS-1$ |
| Diff diff = null; |
| DifferenceKind kind = diagramDiff.getKind(); |
| switch (kind) { |
| case ADD: |
| case DELETE: |
| diff = Iterators.find(diagramDiff.getRefinedBy().iterator(), |
| DiagramChangeFactory.isMainDiffForAddOrDeleteDiagram(), null); |
| break; |
| default: |
| } |
| if (diff instanceof ResourceAttachmentChange) { |
| result = "contents"; |
| } |
| return result; |
| |
| } |
| } |