| /***************************************************************************** |
| * Copyright (c) 2019 CEA LIST, and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Nicolas FAUVERGUE (CEA LIST) nicolas.fauvergue@cea.fr - Initial API and implementation |
| * |
| *****************************************************************************/ |
| package org.eclipse.papyrus.gitlight.compare.ui.internal.structuremergeviewer.filters; |
| |
| import com.google.common.base.Predicate; |
| |
| import org.eclipse.emf.common.util.BasicEMap.Entry; |
| import org.eclipse.emf.compare.Diff; |
| import org.eclipse.emf.compare.internal.spec.ReferenceChangeSpec; |
| import org.eclipse.emf.compare.rcp.ui.structuremergeviewer.filters.AbstractDifferenceFilter; |
| import org.eclipse.emf.ecore.EAnnotation; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.tree.TreeNode; |
| import org.eclipse.papyrus.gitlight.git.utils.GitConstants; |
| |
| /** |
| * The filter to hide papyrus annotations differences. |
| */ |
| @SuppressWarnings("restriction") |
| public class AnnotationDiffsFilter extends AbstractDifferenceFilter { |
| |
| /** |
| * The predicate provided by this filter when it is selected. |
| */ |
| private static final Predicate<EObject> SELECTED_PREDICATE = new Predicate<EObject>() { |
| public boolean apply(final EObject input) { |
| EObject data = input; |
| if (input instanceof TreeNode) { |
| data = ((TreeNode) input).getData(); |
| } |
| |
| Diff diff = null; |
| if (data instanceof Diff) { |
| diff = (Diff) data; |
| } |
| |
| boolean isPapyrusAnnotation = false; |
| if (null != diff && null != diff.getMatch()) { |
| EObject eObject = diff.getMatch().getLeft(); |
| if (null == eObject) { |
| eObject = diff.getMatch().getRight(); |
| } |
| |
| // Remove the EAnnotation if this is a papyrus EAnnotation |
| if (eObject instanceof EAnnotation) { |
| isPapyrusAnnotation = ((EAnnotation) eObject).getSource().equals(GitConstants.VERSION_ANNOTATION); |
| // Remove too if this is a detail entry of papyrus EAnnotation |
| } else if (eObject instanceof Entry<?, ?> && eObject.eContainer() instanceof EAnnotation) { |
| final EAnnotation parentAnnotation = (EAnnotation) eObject.eContainer(); |
| isPapyrusAnnotation = parentAnnotation.getSource().equals(GitConstants.VERSION_ANNOTATION); |
| } |
| |
| // In some cases, the managed element is the parent byt the real value is the EAnnotation, we need to check it |
| if (!isPapyrusAnnotation && diff instanceof ReferenceChangeSpec) { |
| final ReferenceChangeSpec rcs = (ReferenceChangeSpec) diff; |
| final EObject value = rcs.getValue(); |
| |
| if (value instanceof EAnnotation) { |
| isPapyrusAnnotation = ((EAnnotation) value).getSource().equals(GitConstants.VERSION_ANNOTATION); |
| } |
| } |
| } |
| |
| return isPapyrusAnnotation; |
| } |
| }; |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.rcp.ui.structuremergeviewer.filters.AbstractDifferenceFilter#getPredicateWhenSelected() |
| */ |
| @Override |
| public Predicate<? super EObject> getPredicateWhenSelected() { |
| return SELECTED_PREDICATE; |
| } |
| } |