| /* |
| * Copyright (c) 2021 Eike Stepper (Loehne, 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.emf.cdo.ui.internal.compare; |
| |
| import org.eclipse.emf.cdo.eresource.CDOFileResource; |
| |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.compare.Match; |
| import org.eclipse.emf.compare.rcp.ui.contentmergeviewer.accessor.legacy.ITypedElement; |
| import org.eclipse.emf.compare.rcp.ui.internal.contentmergeviewer.accessor.factory.impl.MatchAccessorFactory; |
| import org.eclipse.emf.compare.rcp.ui.mergeviewer.IMergeViewer.MergeViewerSide; |
| import org.eclipse.emf.ecore.EObject; |
| |
| import java.util.function.Function; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| @SuppressWarnings("restriction") |
| public class CDOMatchAccessorFactory extends MatchAccessorFactory |
| { |
| public CDOMatchAccessorFactory() |
| { |
| } |
| |
| @Override |
| public ITypedElement createLeft(AdapterFactory adapterFactory, Object target) |
| { |
| CDOFileResource<?> file = getFile(target, Match::getLeft); |
| if (file != null) |
| { |
| return new CDOMatchAccessor(adapterFactory, (Match)target, file, MergeViewerSide.LEFT); |
| } |
| |
| return super.createLeft(adapterFactory, target); |
| } |
| |
| @Override |
| public ITypedElement createRight(AdapterFactory adapterFactory, Object target) |
| { |
| CDOFileResource<?> file = getFile(target, Match::getRight); |
| if (file != null) |
| { |
| return new CDOMatchAccessor(adapterFactory, (Match)target, file, MergeViewerSide.RIGHT); |
| } |
| |
| return super.createRight(adapterFactory, target); |
| } |
| |
| @Override |
| public ITypedElement createAncestor(AdapterFactory adapterFactory, Object target) |
| { |
| CDOFileResource<?> file = getFile(target, Match::getOrigin); |
| if (file != null) |
| { |
| return new CDOMatchAccessor(adapterFactory, (Match)target, file, MergeViewerSide.ANCESTOR); |
| } |
| |
| return super.createAncestor(adapterFactory, target); |
| } |
| |
| private static CDOFileResource<?> getFile(Object target, Function<Match, EObject> matchSideFunction) |
| { |
| if (target instanceof Match) |
| { |
| Match match = (Match)target; |
| |
| EObject matchSide = matchSideFunction.apply(match); |
| if (matchSide instanceof CDOFileResource<?>) |
| { |
| return (CDOFileResource<?>)matchSide; |
| } |
| } |
| |
| return null; |
| } |
| } |