/*
* Copyright (c) 2009, 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: LogVisualizerSkin.java,v 1.2 2009/04/14 15:40:26 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 java.util.Observable;
import java.util.Observer;
import org.apache.log4j.Logger;
import se.sics.cooja.ClassDescription;
import se.sics.cooja.Mote;
import se.sics.cooja.Simulation;
import se.sics.cooja.interfaces.Log;
import se.sics.cooja.interfaces.Position;
import se.sics.cooja.plugins.Visualizer;
import se.sics.cooja.plugins.VisualizerSkin;
/**
* Visualizer skin for Log output.
*
* Paints the last log message above each mote.
*
* @author Fredrik Osterlind
*/
@ClassDescription("Log output: printf()'s")
public class LogVisualizerSkin implements VisualizerSkin {
private static Logger logger = Logger.getLogger(LogVisualizerSkin.class);
private Simulation simulation = null;
private Visualizer visualizer = null;
private Observer logObserver = new Observer() {
public void update(Observable obs, Object obj) {
visualizer.repaint();
}
};
private Observer simObserver = new Observer() {
public void update(Observable obs, Object obj) {
/* Observe logs */
for (Mote mote: simulation.getMotes()) {
Log log = mote.getInterfaces().getLog();
if (log != null) {
log.addObserver(logObserver);
}
}
visualizer.repaint();
}
};
public void setActive(Simulation simulation, Visualizer vis) {
this.simulation = simulation;
this.visualizer = vis;
simulation.addObserver(simObserver);
simObserver.update(null, null);
}
public void setInactive() {
simulation.deleteObserver(simObserver);
for (Mote mote: simulation.getMotes()) {
Log log = mote.getInterfaces().getLog();
if (log != null) {
log.deleteObserver(logObserver);
}
}
}
public Color[] getColorOf(Mote mote) {
return null;
}
public void paintSkin(Graphics g) {
FontMetrics fm = g.getFontMetrics();
/* Paint last output below motes */
Mote[] allMotes = simulation.getMotes();
for (Mote mote: allMotes) {
Log log = mote.getInterfaces().getLog();
if (log == null) {
continue;
}
String msg = log.getLastLogMessage();
if (msg == null) {
continue;
}
Position pos = mote.getInterfaces().getPosition();
Point pixel = visualizer.transformPositionToPixel(pos);
int msgWidth = fm.stringWidth(msg);
g.drawString(msg, pixel.x - msgWidth/2, pixel.y - Visualizer.MOTE_RADIUS);
}
}
public Visualizer getVisualizer() {
return visualizer;
}
}