?? dynamicdatademo1.java
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package demo;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.PrintStream;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.time.Millisecond;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class DynamicDataDemo1 extends ApplicationFrame
{
static Class class$org$jfree$data$time$Millisecond;
public DynamicDataDemo1(String paramString)
{
super(paramString);
MyDemoPanel localMyDemoPanel = new MyDemoPanel();
setContentPane(localMyDemoPanel);
}
public static JPanel createDemoPanel()
{
return new MyDemoPanel();
}
public static void main(String[] paramArrayOfString)
{
DynamicDataDemo1 localDynamicDataDemo1 = new DynamicDataDemo1("JFreeChart: DynamicDataDemo1.java");
localDynamicDataDemo1.pack();
RefineryUtilities.centerFrameOnScreen(localDynamicDataDemo1);
localDynamicDataDemo1.setVisible(true);
}
static Class class$(String paramString)
{
try
{
return Class.forName(paramString);
}
catch (ClassNotFoundException localClassNotFoundException)
{
throw new NoClassDefFoundError(localClassNotFoundException.getMessage());
}
}
static class MyDemoPanel extends DemoPanel
implements ActionListener
{
private TimeSeries series;
private double lastValue = 100.0D;
public MyDemoPanel()
{
super(new BorderLayout());
this.series = new TimeSeries("Random Data", DynamicDataDemo1.class$org$jfree$data$time$Millisecond);
TimeSeriesCollection localTimeSeriesCollection = new TimeSeriesCollection(this.series);
ChartPanel localChartPanel = new ChartPanel(createChart(localTimeSeriesCollection));
localChartPanel.setPreferredSize(new Dimension(500, 270));
addChart(localChartPanel.getChart());
JPanel localJPanel = new JPanel();
localJPanel.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
JButton localJButton = new JButton("Add New Data Item");
localJButton.setActionCommand("ADD_DATA");
localJButton.addActionListener(this);
localJPanel.add(localJButton);
add(localChartPanel);
add(localJPanel, "South");
}
private JFreeChart createChart(XYDataset paramXYDataset)
{
JFreeChart localJFreeChart = ChartFactory.createTimeSeriesChart("Dynamic Data Demo", "Time", "Value", paramXYDataset, true, true, false);
XYPlot localXYPlot = (XYPlot)localJFreeChart.getPlot();
ValueAxis localValueAxis = localXYPlot.getDomainAxis();
localValueAxis.setAutoRange(true);
localValueAxis.setFixedAutoRange(60000.0D);
localValueAxis = localXYPlot.getRangeAxis();
localValueAxis.setRange(0D, 200.0D);
return localJFreeChart;
}
public void actionPerformed(ActionEvent paramActionEvent)
{
if (paramActionEvent.getActionCommand().equals("ADD_DATA"))
{
double d = 0.90000000000000002D + 0.20000000000000001D * Math.random();
this.lastValue *= d;
Millisecond localMillisecond = new Millisecond();
System.out.println("Now = " + localMillisecond.toString());
this.series.add(new Millisecond(), this.lastValue);
}
}
}
}
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