/*
* Copyright (c) 2008, 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: TimeChartPanel.java,v 1.3 2008/08/29 10:00:23 nifi Exp $
*
* -----------------------------------------------------------------
*
* TimeChartPanel
*
* Authors : Joakim Eriksson, Niclas Finne
* Created : 3 jul 2008
* Updated : $Date: 2008/08/29 10:00:23 $
* $Revision: 1.3 $
*/
package se.sics.contiki.collect.gui;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.util.Date;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.data.time.Second;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import se.sics.contiki.collect.CollectServer;
import se.sics.contiki.collect.Node;
import se.sics.contiki.collect.SensorData;
import se.sics.contiki.collect.Visualizer;
/**
*
*/
public abstract class TimeChartPanel extends JPanel implements Visualizer {
private static final long serialVersionUID = -607864439709540641L;
protected final CollectServer server;
protected final String title;
protected final TimeSeriesCollection timeSeries;
protected final JFreeChart chart;
protected final ChartPanel chartPanel;
private Node[] selectedNodes;
private double minValue;
private double maxValue;
private int rangeTick = 0;
private boolean hasGlobalRange;
private int maxItemCount;
public TimeChartPanel(CollectServer server, String title,
String chartTitle, String timeAxisLabel, String valueAxisLabel) {
super(new BorderLayout());
this.server = server;
this.title = title;
this.timeSeries = new TimeSeriesCollection();
this.chart = ChartFactory.createTimeSeriesChart(
chartTitle, timeAxisLabel, valueAxisLabel, timeSeries,
true, true, false
);
this.chartPanel = new ChartPanel(chart);
this.chartPanel.setPreferredSize(new Dimension(500, 270));
add(chartPanel, BorderLayout.CENTER);
}
@Override
public String getTitle() {
return title;
}
@Override
public Component getPanel() {
return this;
}
@Override
public void nodeAdded(Node node) {
// Ignore
}
@Override
public void nodesSelected(Node[] nodes) {
if (this.selectedNodes != nodes) {
this.selectedNodes = nodes;
if (isVisible()) {
updateCharts();
}
}
}
@Override
public void nodeDataReceived(SensorData data) {
if (hasGlobalRange) {
boolean update = false;
if (minValue > maxValue) {
update = true;
} else {
double value = getSensorDataValue(data);
if (value < minValue) {
minValue = value;
update = true;
}
if (value > maxValue) {
maxValue = value;
update = true;
}
}
if (update && isVisible()) {
updateGlobalRange();
}
}
if (isVisible() && selectedNodes != null && selectedNodes.length == timeSeries.getSeriesCount()) {
Node node = data.getNode();
for (int i = 0, n = selectedNodes.length; i < n; i++) {
if (node == selectedNodes[i]) {
TimeSeries series = timeSeries.getSeries(i);
int groupSize = getGroupSize(node);
if (groupSize > 1) {
series.clear();
updateSeries(series, node, groupSize);
} else {
series.addOrUpdate(new Second(new Date(data.getNodeTime())), getSensorDataValue(data));
}
chartPanel.repaint();
break;
}
}
}
}
@Override
public void clearNodeData() {
if (isVisible()) {
updateCharts();
}
}
private void updateCharts() {
timeSeries.removeAllSeries();
if (this.selectedNodes != null) {
for(Node node: this.selectedNodes) {
TimeSeries series = new TimeSeries(node.getName(), Second.class);
// Reduce the number of items by grouping them and use the average for each group
int groupSize = getGroupSize(node);
if (groupSize > 1) {
updateSeries(series, node, groupSize);
} else {
for (int i = 0, n = node.getSensorDataCount(); i < n; i++) {
SensorData data = node.getSensorData(i);
series.addOrUpdate(new Second(new Date(data.getNodeTime())), getSensorDataValue(data));
}
}
timeSeries.addSeries(series);
}
}
}
protected int getGroupSize(Node node) {
if (maxItemCount > 0) {
int sensorDataCount = node.getSensorDataCount();
if (sensorDataCount > maxItemCount) {
int groupSize = sensorDataCount / maxItemCount;
if (sensorDataCount / groupSize > maxItemCount) {
groupSize++;
}
return groupSize;
}
}
return 1;
}
protected void updateSeries(TimeSeries series, Node node, int groupSize) {
for (int i = 0, n = node.getSensorDataCount(); i < n; i += groupSize) {
double value = 0.0;
long time = 0L;
for (int j = 0; j < groupSize; j++) {
SensorData data = node.getSensorData(i);
value += getSensorDataValue(data);
time += data.getNodeTime() / 1000L;
}
series.addOrUpdate(new Second(new Date((time / groupSize) * 1000L)), value / groupSize);
}
}
public int getRangeTick() {
return rangeTick;
}
public void setRangeTick(int rangeTick) {
this.rangeTick = rangeTick;
}
public double getRangeMinimumSize() {
return chart.getXYPlot().getRangeAxis().getAutoRangeMinimumSize();
}
public void setRangeMinimumSize(double size) {
chart.getXYPlot().getRangeAxis().setAutoRangeMinimumSize(size);
}
public boolean hasGlobalRange() {
return hasGlobalRange;
}
public void setGlobalRange(boolean hasGlobalRange) {
if (this.hasGlobalRange != hasGlobalRange) {
this.hasGlobalRange = hasGlobalRange;
if (hasGlobalRange) {
minValue = Double.MAX_VALUE;
maxValue = Double.MIN_NORMAL;
if (isVisible()) {
updateGlobalRange();
}
} else {
chart.getXYPlot().getRangeAxis().setAutoRange(true);
}
}
}
private void updateGlobalRange() {
if (hasGlobalRange) {
if (minValue > maxValue) {
for (int i = 0, n = server.getSensorDataCount(); i < n; i++) {
double value = getSensorDataValue(server.getSensorData(i));
if (value < minValue) minValue = value;
if (value > maxValue) maxValue = value;
}
}
if (minValue < maxValue) {
double minSize = getRangeMinimumSize();
double min = minValue;
double max = maxValue;
if (max - min < minSize) {
double d = (minSize - (max - min)) / 2;
min -= d;
max += d;
}
if (rangeTick > 0) {
min = ((int) (min - rangeTick / 2) / rangeTick) * rangeTick;
// max = ((int) (max + rangeTick / 2) / rangeTick) * rangeTick;
}
chart.getXYPlot().getRangeAxis().setRange(min, max);
}
}
}
/**
* Returns the maximal number of chart items to display for each node.
*
* @return the maximal number of chart items to display for each node or <code>0</code>
* for unlimited number of chart items.
*/
public int getMaxItemCount() {
return maxItemCount;
}
/**
* Sets the maximal number of chart items to display for each node. Items will be
* grouped and replaced by the average value when needed.
*
* @param maxItemCount - the maximal number of chart items to display for each node or
* <code>0</code> for unlimited number (default)
*/
public void setMaxItemCount(int maxItemCount) {
this.maxItemCount = maxItemCount;
if (isVisible()) {
updateCharts();
}
}
public void setVisible(boolean visible) {
if (visible) {
updateGlobalRange();
updateCharts();
} else {
timeSeries.removeAllSeries();
}
super.setVisible(visible);
}
protected abstract double getSensorDataValue(SensorData data);
}