/*
Copyright 2008-2011 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
or only the GPL Version 3, indicate your decision by adding
"[Contributor] elects to include this software in this distribution
under the [CDDL or GPL Version 3] license." If you do not indicate a
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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.plugins.example.submenu;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import org.gephi.graph.api.Edge;
import org.gephi.graph.api.Graph;
import org.gephi.graph.api.GraphController;
import org.gephi.graph.api.GraphModel;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.awt.ActionID;
import org.openide.awt.ActionReference;
import org.openide.awt.ActionReferences;
import org.openide.awt.ActionRegistration;
import org.openide.util.Lookup;
import org.openide.util.NbBundle.Messages;
/**
* Example of an action that manipulates the graph. The action is set up in the
* "Plugins" menu in the menubar.
* <p>
* The annotations on the class defines the menu's name, position and class.
* <p>
* The action itself accesses the graph the removes self-loops, if any.
*
* @author Mathieu Bastian
*/
@ActionID(category = "File",
id = "org.gephi.desktop.filters.RemoveSelfLoopsAction")
@ActionRegistration(displayName = "#CTL_RemoveSelfLoopsAction")
@ActionReferences({
@ActionReference(path = "Menu/Plugins", position = 5000)
})
@Messages("CTL_RemoveSelfLoopsAction=Remove self loops")
public final class RemoveSelfLoopsAction implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
//Get the current graph model
GraphController gc = Lookup.getDefault().lookup(GraphController.class);
GraphModel graphModel = gc.getModel();
if (graphModel != null) {
//Remove self loops
int removed = 0;
Graph graph = graphModel.getGraph();
graph.writeLock();
for(Edge edge : graph.getEdges().toArray()) {
if(edge.isSelfLoop()) {
graph.removeEdge(edge);
removed++;
}
}
graph.writeUnlock();
//Notification message
NotifyDescriptor d = new NotifyDescriptor.Message(removed + " self-loop have been removed", NotifyDescriptor.INFORMATION_MESSAGE);
DialogDisplayer.getDefault().notify(d);
} else {
//Error message
NotifyDescriptor d = new NotifyDescriptor.Message("No active workspace", NotifyDescriptor.ERROR_MESSAGE);
DialogDisplayer.getDefault().notify(d);
}
}
}