package org.netfpga.router;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import javax.swing.JFrame;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYAreaRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.chart.renderer.xy.XYStepRenderer;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
@SuppressWarnings("serial")
public class AreaGraphPanel extends ChartPanel implements GraphPanel {
XYSeries data;
public AreaGraphPanel(String title, String dataLabel, String hozLabel,
String vertLabel, int datasetSize) {
super(new JFreeChart(title, new XYPlot()));
this.setMouseZoomable(true);
this.setDisplayToolTips(true);
// Raw data container
this.data = new XYSeries(dataLabel);
this.data.setMaximumItemCount(datasetSize);
// Configure the Plot
XYPlot myPlot = (XYPlot) this.getChart().getPlot();
myPlot.setDataset(new XYSeriesCollection(data));
// myPlot.setRenderer(new XYAreaRenderer(XYAreaRenderer.LINES));
myPlot.setRenderer(new XYStepRenderer());
myPlot.setDomainAxis(new NumberAxis(hozLabel));
myPlot.setRangeAxis(new NumberAxis(vertLabel));
((NumberAxis) myPlot.getDomainAxis()).setAutoRangeIncludesZero(false);
}
public void addPoint(double x, double y, boolean notify) {
this.data.add(x, y, notify);
}
public static void main(String[] args) throws IOException {
JFrame fr = new JFrame("Router Graph Demo");
fr.setSize(300, 300);
fr.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
AreaGraphPanel panel = new AreaGraphPanel("Example Graph",
"packets", "time", "occupants", 100);
fr.getContentPane().add(panel);
fr.setVisible(true);
BufferedReader stdin = new BufferedReader(new InputStreamReader(
System.in));
while (true) {
String input = stdin.readLine();
int x = Integer.parseInt(input.substring(0, input.indexOf(':')));
int y = Integer.parseInt(input.substring(input.indexOf(':') + 1));
System.out.println("Adding point: (" + x + "," + y + ")");
panel.addPoint(x, y, true);
}
}
public void clearAll() {
this.data.clear();
data.fireSeriesChanged();
}
public void setGraphSize(int size) {
this.data.setMaximumItemCount(size);
}
/* (non-Javadoc)
* @see router.GraphPanel#notifyGraph()
*/
public void notifyGraph() {
this.data.fireSeriesChanged();
}
}