/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org
This file is part of Gephi.
DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
Copyright 2011 Gephi Consortium. All rights reserved.
The contents of this file are subject to the terms of either the GNU
General Public License Version 3 only ("GPL") or the Common
Development and Distribution License("CDDL") (collectively, the
"License"). You may not use this file except in compliance with the
License. You can obtain a copy of the License at
http://gephi.org/about/legal/license-notice/
or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
specific language governing permissions and limitations under the
License. When distributing the software, include this License Header
Notice in each file and include the License files at
/cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
License Header, with the fields enclosed by brackets [] replaced by
your own identifying information:
"Portions Copyrighted [year] [name of copyright owner]"
If you wish your version of this file to be governed by only the CDDL
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"[Contributor] elects to include this software in this distribution
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However, if you add GPL Version 3 code and therefore, elected the GPL
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Contributor(s):
Portions Copyrighted 2011 Gephi Consortium.
*/
package org.gephi.ranking;
import org.gephi.graph.api.Edge;
import org.gephi.graph.api.GraphController;
import org.gephi.graph.api.GraphModel;
import org.gephi.graph.api.HierarchicalGraph;
import org.gephi.graph.api.Node;
import org.gephi.project.api.ProjectController;
import org.gephi.project.api.Workspace;
import org.gephi.project.api.WorkspaceListener;
import org.gephi.ranking.api.Interpolator;
import org.gephi.ranking.api.Ranking;
import org.gephi.ranking.api.RankingController;
import org.gephi.ranking.api.RankingEvent;
import org.gephi.ranking.api.RankingModel;
import org.gephi.ranking.api.Transformer;
import org.openide.util.Lookup;
import org.openide.util.lookup.ServiceProvider;
/**
* Implementation of the
* <code>RankingController</code> interface.
*
* @author Mathieu Bastian
*/
@ServiceProvider(service = RankingController.class)
public class RankingControllerImpl implements RankingController {
private final GraphController graphController;
private RankingModelImpl model;
public RankingControllerImpl() {
graphController = Lookup.getDefault().lookup(GraphController.class);
//Workspace events
ProjectController pc = Lookup.getDefault().lookup(ProjectController.class);
pc.addWorkspaceListener(new WorkspaceListener() {
public void initialize(Workspace workspace) {
}
public void select(Workspace workspace) {
model = workspace.getLookup().lookup(RankingModelImpl.class);
if (model == null) {
model = new RankingModelImpl(workspace);
workspace.add(model);
}
model.select();
}
public void unselect(Workspace workspace) {
model.unselect();
model = null;
}
public void close(Workspace workspace) {
}
public void disable() {
model = null;
}
});
if (pc.getCurrentWorkspace() != null) {
model = pc.getCurrentWorkspace().getLookup().lookup(RankingModelImpl.class);
if (model == null) {
model = new RankingModelImpl(pc.getCurrentWorkspace());
pc.getCurrentWorkspace().add(model);
}
}
}
public RankingModel getModel() {
return model;
}
public RankingModel getModel(Workspace workspace) {
RankingModel m = workspace.getLookup().lookup(RankingModelImpl.class);
if (m == null) {
m = new RankingModelImpl(workspace);
workspace.add(m);
}
return m;
}
public void setInterpolator(Interpolator interpolator) {
if (model != null) {
model.setInterpolator(interpolator);
}
}
public void setUseLocalScale(boolean useLocalScale) {
if (model != null) {
model.setLocalScale(useLocalScale);
}
}
public void transform(Ranking ranking, Transformer transformer) {
//Refresh ranking
ranking = model.getRanking(ranking.getElementType(), ranking.getName());
Workspace workspace = model.getWorkspace();
GraphModel graphModel = graphController.getModel(workspace);
HierarchicalGraph graph = graphModel.getHierarchicalGraphVisible();
Interpolator interpolator = model.getInterpolator();
if (ranking.getElementType().equals(Ranking.NODE_ELEMENT)) {
for (Node node : graph.getNodes().toArray()) {
Number value = ranking.getValue(node);
if (value != null) {
float normalizedValue = ranking.normalize(value);
if (transformer.isInBounds(normalizedValue)) {
normalizedValue = interpolator.interpolate(normalizedValue);
transformer.transform(node.getNodeData(), normalizedValue);
}
}
}
} else if (ranking.getElementType().equals(Ranking.EDGE_ELEMENT)) {
for (Edge edge : graph.getEdgesAndMetaEdges().toArray()) {
Number value = ranking.getValue(edge);
if (value != null) {
float normalizedValue = ranking.normalize(value);
if (transformer.isInBounds(normalizedValue)) {
normalizedValue = interpolator.interpolate(normalizedValue);
transformer.transform(edge.getEdgeData(), normalizedValue);
}
}
}
}
//Send Event
model.fireRankingListener(new RankingEventImpl(RankingEvent.EventType.APPLY_TRANSFORMER, model, ranking, transformer));
}
public void startAutoTransform(Ranking ranking, Transformer transformer) {
model.addAutoRanking(ranking, transformer);
//Send Event
model.fireRankingListener(new RankingEventImpl(RankingEvent.EventType.START_AUTO_TRANSFORM, model, ranking, transformer));
}
public void stopAutoTransform(Transformer transformer) {
Ranking ranking = model.getAutoTransformerRanking(transformer);
model.removeAutoRanking(transformer);
//Send Event
model.fireRankingListener(new RankingEventImpl(RankingEvent.EventType.STOP_AUTO_TRANSFORM, model, ranking, transformer));
}
}