crosshairdemo3.java

Jfreechart 源码例子 是和jfreechart development Guide文档相配套的

package demo;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.text.SimpleDateFormat;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.Range;
import org.jfree.data.time.Month;
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 CrosshairDemo3 extends ApplicationFrame
{
  static Class class$org$jfree$data$time$Month;

  public CrosshairDemo3(String paramString)
  {
    super(paramString);
    setContentPane(createDemoPanel());
  }

  public static JPanel createDemoPanel()
  {
    return new MyDemoPanel();
  }

  public static void main(String[] paramArrayOfString)
  {
    CrosshairDemo3 localCrosshairDemo3 = new CrosshairDemo3("JFreeChart: CrosshairDemo3.java");
    localCrosshairDemo3.pack();
    RefineryUtilities.centerFrameOnScreen(localCrosshairDemo3);
    localCrosshairDemo3.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 ChangeListener
  {
    private JFreeChart chart;
    private JSlider slider;

    public MyDemoPanel()
    {
      super(new BorderLayout());
      XYDataset localXYDataset = createDataset();
      this.chart = createChart(localXYDataset);
      addChart(this.chart);
      ChartPanel localChartPanel = new ChartPanel(this.chart);
      localChartPanel.setPreferredSize(new Dimension(500, 270));
      localChartPanel.setMouseZoomable(true, false);
      JPanel localJPanel = new JPanel(new BorderLayout());
      this.slider = new JSlider(0, 100, 50);
      this.slider.addChangeListener(this);
      localJPanel.add(this.slider);
      add(localChartPanel);
      add(localJPanel, "South");
    }

    private JFreeChart createChart(XYDataset paramXYDataset)
    {
      JFreeChart localJFreeChart = ChartFactory.createTimeSeriesChart("Legal & General Unit Trust Prices", "Date", "Price Per Unit", paramXYDataset, true, true, false);
      XYPlot localXYPlot = (XYPlot)localJFreeChart.getPlot();
      localXYPlot.setDomainCrosshairVisible(true);
      localXYPlot.setDomainCrosshairLockedOnData(false);
      localXYPlot.setRangeCrosshairVisible(true);
      localXYPlot.setRangeCrosshairLockedOnData(true);
      XYItemRenderer localXYItemRenderer = localXYPlot.getRenderer();
      if (localXYItemRenderer instanceof XYLineAndShapeRenderer)
      {
        localObject = (XYLineAndShapeRenderer)localXYItemRenderer;
        ((XYLineAndShapeRenderer)localObject).setBaseShapesVisible(true);
        ((XYLineAndShapeRenderer)localObject).setBaseShapesFilled(true);
      }
      Object localObject = (DateAxis)localXYPlot.getDomainAxis();
      ((DateAxis)localObject).setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
      return ((JFreeChart)localJFreeChart);
    }

    private XYDataset createDataset()
    {
      TimeSeries localTimeSeries1 = new TimeSeries("L&G European Index Trust", CrosshairDemo3.class$org$jfree$data$time$Month);
      localTimeSeries1.add(new Month(2, 2001), 181.80000000000001D);
      localTimeSeries1.add(new Month(3, 2001), 167.30000000000001D);
      localTimeSeries1.add(new Month(4, 2001), 153.80000000000001D);
      localTimeSeries1.add(new Month(5, 2001), 167.59999999999999D);
      localTimeSeries1.add(new Month(6, 2001), 158.80000000000001D);
      localTimeSeries1.add(new Month(7, 2001), 148.30000000000001D);
      localTimeSeries1.add(new Month(8, 2001), 153.90000000000001D);
      localTimeSeries1.add(new Month(9, 2001), 142.69999999999999D);
      localTimeSeries1.add(new Month(10, 2001), 123.2D);
      localTimeSeries1.add(new Month(11, 2001), 131.80000000000001D);
      localTimeSeries1.add(new Month(12, 2001), 139.59999999999999D);
      localTimeSeries1.add(new Month(1, 2002), 142.90000000000001D);
      localTimeSeries1.add(new Month(2, 2002), 138.69999999999999D);
      localTimeSeries1.add(new Month(3, 2002), 137.30000000000001D);
      localTimeSeries1.add(new Month(4, 2002), 143.90000000000001D);
      localTimeSeries1.add(new Month(5, 2002), 139.80000000000001D);
      localTimeSeries1.add(new Month(6, 2002), 137.0D);
      localTimeSeries1.add(new Month(7, 2002), 132.80000000000001D);
      TimeSeries localTimeSeries2 = new TimeSeries("L&G UK Index Trust", CrosshairDemo3.class$org$jfree$data$time$Month);
      localTimeSeries2.add(new Month(2, 2001), 129.59999999999999D);
      localTimeSeries2.add(new Month(3, 2001), 123.2D);
      localTimeSeries2.add(new Month(4, 2001), 117.2D);
      localTimeSeries2.add(new Month(5, 2001), 124.09999999999999D);
      localTimeSeries2.add(new Month(6, 2001), 122.59999999999999D);
      localTimeSeries2.add(new Month(7, 2001), 119.2D);
      localTimeSeries2.add(new Month(8, 2001), 116.5D);
      localTimeSeries2.add(new Month(9, 2001), 112.7D);
      localTimeSeries2.add(new Month(10, 2001), 101.5D);
      localTimeSeries2.add(new Month(11, 2001), 106.09999999999999D);
      localTimeSeries2.add(new Month(12, 2001), 110.3D);
      localTimeSeries2.add(new Month(1, 2002), 111.7D);
      localTimeSeries2.add(new Month(2, 2002), 111.0D);
      localTimeSeries2.add(new Month(3, 2002), 109.59999999999999D);
      localTimeSeries2.add(new Month(4, 2002), 113.2D);
      localTimeSeries2.add(new Month(5, 2002), 111.59999999999999D);
      localTimeSeries2.add(new Month(6, 2002), 108.8D);
      localTimeSeries2.add(new Month(7, 2002), 101.59999999999999D);
      TimeSeriesCollection localTimeSeriesCollection = new TimeSeriesCollection();
      localTimeSeriesCollection.addSeries(localTimeSeries1);
      localTimeSeriesCollection.addSeries(localTimeSeries2);
      return localTimeSeriesCollection;
    }

    public void stateChanged(ChangeEvent paramChangeEvent)
    {
      int i = this.slider.getValue();
      XYPlot localXYPlot = (XYPlot)this.chart.getPlot();
      ValueAxis localValueAxis = localXYPlot.getDomainAxis();
      Range localRange = localValueAxis.getRange();
      double d = localValueAxis.getLowerBound() + i / 100.0D * localRange.getLength();
      localXYPlot.setDomainCrosshairValue(d);
    }
  }
}