Package se.sics.cooja.plugins.skins

Source Code of se.sics.cooja.plugins.skins.DGRMVisualizerSkin

/*
* Copyright (c) 2010, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: DGRMVisualizerSkin.java,v 1.1 2010/09/24 12:49:14 fros4943 Exp $
*/

package se.sics.cooja.plugins.skins;

import java.awt.Color;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Point;

import org.apache.log4j.Logger;

import se.sics.cooja.ClassDescription;
import se.sics.cooja.Mote;
import se.sics.cooja.Simulation;
import se.sics.cooja.SupportedArguments;
import se.sics.cooja.interfaces.Position;
import se.sics.cooja.interfaces.Radio;
import se.sics.cooja.plugins.Visualizer;
import se.sics.cooja.plugins.VisualizerSkin;
import se.sics.cooja.radiomediums.DGRMDestinationRadio;
import se.sics.cooja.radiomediums.DestinationRadio;
import se.sics.cooja.radiomediums.DirectedGraphMedium;

@ClassDescription("Radio environment (DGRM)")
@SupportedArguments(radioMediums = {DirectedGraphMedium.class})
public class DGRMVisualizerSkin implements VisualizerSkin {
  private static Logger logger = Logger.getLogger(DGRMVisualizerSkin.class);

  private Simulation simulation = null;
  private Visualizer visualizer = null;

  public void setActive(Simulation simulation, Visualizer vis) {
    if (!(simulation.getRadioMedium() instanceof DirectedGraphMedium)) {
      logger.fatal("Cannot activate DGRM skin for unknown radio medium: " + simulation.getRadioMedium());
      return;
    }
    this.simulation = simulation;
    this.visualizer = vis;
  }

  public void setInactive() {
    if (simulation == null) {
      /* Skin was never activated */
      return;
    }
  }

  public Color[] getColorOf(Mote mote) {
    Mote selectedMote = visualizer.getSelectedMote();
    if (mote == selectedMote) {
      return new Color[] { Color.CYAN };
    }
    return null;
  }

  public void paintBeforeMotes(Graphics g) {
          Mote selectedMote = visualizer.getSelectedMote();
    if (simulation == null
        || selectedMote == null
        || selectedMote.getInterfaces().getRadio() == null) {
      return;
    }

    /* Paint transmission and interference range for selected mote */
    Position motePos = selectedMote.getInterfaces().getPosition();

    Point pixelCoord = visualizer.transformPositionToPixel(motePos);
    int x = pixelCoord.x;
    int y = pixelCoord.y;
    Radio selectedRadio = selectedMote.getInterfaces().getRadio();

    FontMetrics fm = g.getFontMetrics();
    g.setColor(Color.BLACK);

    DirectedGraphMedium radioMedium = (DirectedGraphMedium) simulation.getRadioMedium();

    /* Print transmission success probabilities */
    DestinationRadio[] dests = radioMedium.getPotentialDestinations(selectedRadio);
    if (dests == null || dests.length == 0) {
      String msg = "No edges";
      int msgWidth = fm.stringWidth(msg);
      g.setColor(Color.BLACK);
      g.drawString(msg, x - msgWidth/2, y + 2*Visualizer.MOTE_RADIUS + 3);
      return;
    }
    String msg = dests.length + " edges";
    int msgWidth = fm.stringWidth(msg);
    g.setColor(Color.BLACK);
    g.drawString(msg, x - msgWidth/2, y + 2*Visualizer.MOTE_RADIUS + 3);
    for (DestinationRadio r: dests) {
      double prob = ((DGRMDestinationRadio)r).ratio;
      if (prob == 0.0d) {
        continue;
      }
      msg = String.format("%1.1f%%", 100.0*prob);
      Position pos = r.radio.getPosition();
      Point pixel = visualizer.transformPositionToPixel(pos);
      msgWidth = fm.stringWidth(msg);
      g.setColor(new Color(1-(float)prob, (float)prob, 0.0f));
      g.drawLine(x, y, pixel.x, pixel.y);
      g.setColor(Color.BLACK);
      g.drawString(msg, pixel.x - msgWidth/2, pixel.y + 2*Visualizer.MOTE_RADIUS + 3);
    }
  }

  public void paintAfterMotes(Graphics g) {
  }

  public Visualizer getVisualizer() {
    return visualizer;
  }
}
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