application.BrokersMouseListener.java Source code

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Here is the source code for application.BrokersMouseListener.java

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// Copyright (C) 2015 Fabio Petroni
// Contact:   http://www.fabiopetroni.com
//
// This file is part of HSienaSimulator.
//
// HSienaSimulator is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// HSienaSimulator is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with HSienaSimulator.  If not, see <http://www.gnu.org/licenses/>.
//
// Based on the publication:
// - Fabio Petroni and Leonardo Querzoni (2012): HSIENA: a hybrid publish/subscribe system. 
//   in Proceedings of the 1st International Workshop on Dependable and Secure Computing for 
//   Large-scale Complex Critical Infrastructures (DESEC-LCCI), 2012.

package application;

import java.awt.*;
import java.awt.event.MouseEvent;
import java.util.ListIterator;
import siena.Broker;
import siena.Interface;
import siena.Link;
import org.apache.commons.collections15.Transformer;
import edu.uci.ics.jung.visualization.BasicVisualizationServer;
import edu.uci.ics.jung.visualization.control.GraphMouseListener;

@SuppressWarnings("rawtypes")
public class BrokersMouseListener implements GraphMouseListener {

    private State state;
    private BasicVisualizationServer<Broker, Link> vv;

    public BrokersMouseListener(State s, BasicVisualizationServer<Broker, Link> v) {
        state = s;
        vv = v;
    }

    @Override
    public void graphClicked(Object arg0, MouseEvent arg1) {

        //Reset the selected variable for all the broker
        ListIterator<Broker> it = state.getBrokersList();
        while (it.hasNext()) {
            it.next().resetSelected();
        }

        Broker broker = (Broker) arg0;

        //SET the selected variable for THE SPECIFIC broker
        broker.setSelected();
        Transformer<Broker, Paint> vertexPaint = new Transformer<Broker, Paint>() {
            public Paint transform(Broker b) {
                if (b.selected()) {
                    return Color.GREEN;
                }
                return Color.GRAY;
            }
        };

        //Reset the selected variable for all the link
        it = state.getBrokersList();
        while (it.hasNext()) {
            Broker b = it.next();
            ListIterator<Interface> intit = b.getInterfaces();
            while (intit.hasNext()) {
                Interface ix = intit.next();
                ix.getLink().resetSelected();
            }
        }

        //SET the selected variable for THE SPECIFIC links
        it = state.getBrokersList();
        while (it.hasNext()) {
            Broker b = it.next();
            ListIterator<Interface> intit = b.getInterfaces();
            if (b.equals(broker)) {
                while (intit.hasNext()) {
                    Interface ix = intit.next();
                    ix.getLink().setSelected();
                }
            } else {
                while (intit.hasNext()) {
                    Interface ix = intit.next();
                    ix.getLink().setSelectedBcastFunction(state.getBrokerPosition(broker));
                }
            }
        }

        Transformer<Link, Stroke> edgeStrokeTransformer = new Transformer<Link, Stroke>() {
            public Stroke transform(Link link) {

                if (link.selected()) {
                    final Stroke edgeStroke = new BasicStroke(2);
                    return edgeStroke;
                } else {
                    float[] dot = { 1.0f, 3.0f };
                    final Stroke edgeStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND,
                            1.0f, dot, 0f);
                    return edgeStroke;
                }
            }
        };

        vv.getRenderContext().setVertexFillPaintTransformer(vertexPaint);
        vv.getRenderContext().setEdgeStrokeTransformer(edgeStrokeTransformer);

        //((FRLayout)layout).initialize();
        //((FRLayout)layout).step();
        vv.repaint();
    }

    @Override
    public void graphPressed(Object arg0, MouseEvent arg1) {
        // TODO Auto-generated method stub      
    }

    @Override
    public void graphReleased(Object arg0, MouseEvent arg1) {
        // TODO Auto-generated method stub      
    }

}