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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.skynet.skywalker;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.osee.framework.core.data.RelationTypeSide;
import org.eclipse.osee.framework.core.model.type.RelationType;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.skynet.core.artifact.Artifact;
import org.eclipse.osee.framework.skynet.core.relation.RelationManager;
import org.eclipse.osee.framework.skynet.core.types.IArtifact;
import org.eclipse.osee.framework.ui.skynet.internal.Activator;
import org.eclipse.zest.core.viewers.IGraphEntityContentProvider;
/**
* @author Robert A. Fisher
* @author Donald G. Dunne
*/
public class ArtifactGraphContentProvider implements IGraphEntityContentProvider {
private final SkyWalkerOptions options;
public ArtifactGraphContentProvider(SkyWalkerOptions options) {
super();
this.options = options;
}
@SuppressWarnings("deprecation")
@Override
public Object[] getConnectedTo(Object entity) {
List<Artifact> otherItems = new LinkedList<>();
// Don't want to create any links to artifacts that are NOT in displayArtifacts
try {
Artifact artifact = (Artifact) entity;
for (Object obj : options.getSelectedRelTypes()) {
if (obj instanceof RelationType) {
RelationType relationType = (RelationType) obj;
if (options.isValidRelationType(relationType)) {
for (IArtifact art : artifact.getRelatedArtifacts(relationType)) {
if (options.isValidArtifactType(art.getArtifactType()) && displayArtifacts.contains(art)) {
otherItems.add(art.getFullArtifact());
}
}
}
}
if (obj instanceof RelationTypeSide) {
RelationTypeSide side = (RelationTypeSide) obj;
if (options.isValidRelationLinkDescriptorSide(side)) {
for (Artifact art : RelationManager.getRelatedArtifacts(artifact, side)) {
if (options.isValidArtifactType(art.getArtifactType()) && displayArtifacts.contains(art)) {
otherItems.add(art);
}
}
}
}
}
} catch (OseeCoreException ex) {
OseeLog.log(Activator.class, Level.SEVERE, ex);
}
return otherItems.toArray();
}
private final Set<Artifact> displayArtifacts = new HashSet<>();
@Override
public Object[] getElements(Object inputElement) {
// Only perform this method for top level artifact
if (inputElement.equals(options.getArtifact())) {
displayArtifacts.clear();
displayArtifacts.add((Artifact) inputElement);
getDescendants(displayArtifacts, (Artifact) inputElement, options.getLevels());
return displayArtifacts.toArray();
}
return null;
}
@SuppressWarnings("deprecation")
private void getDescendants(Collection<Artifact> displayArtifacts, Artifact artifact, int level) {
if (level == 0) {
return;
} else {
try {
for (Object obj : options.getSelectedRelTypes()) {
if (obj instanceof RelationType) {
RelationType relationType = (RelationType) obj;
if (options.isValidRelationType(relationType)) {
for (IArtifact art : artifact.getRelatedArtifacts(relationType)) {
if (options.isValidArtifactType(art.getArtifactType())) {
Artifact relatedArt = art.getFullArtifact();
displayArtifacts.add(relatedArt);
getDescendants(displayArtifacts, relatedArt, level - 1);
}
}
}
}
if (obj instanceof RelationTypeSide) {
RelationTypeSide side = (RelationTypeSide) obj;
if (options.isValidRelationLinkDescriptorSide(side)) {
for (Artifact art : RelationManager.getRelatedArtifacts(artifact, side)) {
if (options.isValidArtifactType(art.getArtifactType())) {
displayArtifacts.add(art);
getDescendants(displayArtifacts, art, level - 1);
}
}
}
}
}
} catch (OseeCoreException ex) {
OseeLog.log(Activator.class, Level.SEVERE, ex);
}
}
}
public double getWeight(Object entity1, Object entity2) {
return 0;
}
@Override
public void dispose() {
// do nothing
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// do nothing
}
}
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