| /******************************************************************************* |
| * 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.ide.ui.internal.structuremergeviewer.filters.groups.extenders; |
| |
| import org.eclipse.emf.compare.DifferenceKind; |
| import org.eclipse.emf.compare.diagram.internal.extensions.DiagramChange; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.tree.TreeNode; |
| |
| /** |
| * Difference group extender for diagram changes. |
| * |
| * @author <a href="mailto:axel.richard@obeo.fr">Axel Richard</a> |
| */ |
| public class DiagramChangeExtender extends DiagramDiffExtender { |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.rcp.ui.structuremergeviewer.groups.extender.IDifferenceGroupExtender#addChildren(TreeNode) |
| */ |
| @Override |
| public void addChildren(TreeNode treeNode) { |
| super.addChildren(treeNode); |
| if (handle(treeNode)) { |
| EObject data = treeNode.getData(); |
| TreeNode remove = null; |
| for (TreeNode child : treeNode.getChildren()) { |
| EObject childData = child.getData(); |
| if (data == childData) { |
| remove = child; |
| break; |
| } |
| } |
| if (remove != null) { |
| treeNode.getChildren().remove(remove); |
| } |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.rcp.ui.structuremergeviewer.groups.extender.IDifferenceGroupExtender#handle(TreeNode) |
| */ |
| @Override |
| public boolean handle(TreeNode treeNode) { |
| if (treeNode != null) { |
| EObject data = treeNode.getData(); |
| return data instanceof DiagramChange |
| && (((DiagramChange)data).getKind() == DifferenceKind.ADD || ((DiagramChange)data) |
| .getKind() == DifferenceKind.DELETE); |
| } |
| return false; |
| } |
| |
| } |
