xypointerannotationdemo1.java

来自「Jfreechart 源码例子 是和jfreechart developmen」· Java 代码 · 共 69 行

package demo;

import [D;
import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.annotations.XYPointerAnnotation;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.xy.DefaultXYDataset;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.Layer;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.TextAnchor;

public class XYPointerAnnotationDemo1 extends ApplicationFrame
{
  public XYPointerAnnotationDemo1(String paramString)
  {
    super(paramString);
    JPanel localJPanel = createDemoPanel();
    localJPanel.setPreferredSize(new Dimension(500, 270));
    setContentPane(localJPanel);
  }

  public static XYDataset createDataset()
  {
    DefaultXYDataset localDefaultXYDataset = new DefaultXYDataset();
    double[] arrayOfDouble1 = { 1.7D, 2.2000000000000002D, 2.7000000000000002D, 3.0D, 3.2000000000000002D };
    double[] arrayOfDouble2 = { 4.0D, 3.0D, 6.0D, 1D, 9.0D };
    [D[] arrayOf[D1 = { arrayOfDouble1, arrayOfDouble2 };
    localDefaultXYDataset.addSeries("Series 1", arrayOf[D1);
    double[] arrayOfDouble3 = { 2.1000000000000001D, 2.2000000000000002D, 2.3999999999999999D, 2.7000000000000002D, 3.2000000000000002D };
    double[] arrayOfDouble4 = { 4.5D, 6.0D, 4.0D, 8.0D, 5.0999999999999996D };
    [D[] arrayOf[D2 = { arrayOfDouble3, arrayOfDouble4 };
    localDefaultXYDataset.addSeries("Series 2", arrayOf[D2);
    return localDefaultXYDataset;
  }

  private static JFreeChart createChart(XYDataset paramXYDataset)
  {
    JFreeChart localJFreeChart = ChartFactory.createScatterPlot("XYPointerAnnotationDemo1", "X", "Y", paramXYDataset, PlotOrientation.HORIZONTAL, true, true, false);
    XYPlot localXYPlot = (XYPlot)localJFreeChart.getPlot();
    XYLineAndShapeRenderer localXYLineAndShapeRenderer = (XYLineAndShapeRenderer)localXYPlot.getRenderer();
    XYPointerAnnotation localXYPointerAnnotation = new XYPointerAnnotation("Special point", 2.2000000000000002D, 6.0D, 3.9269908169872414D);
    localXYPointerAnnotation.setTextAnchor(TextAnchor.BOTTOM_RIGHT);
    localXYPointerAnnotation.setToolTipText("The pointer has a tool tip!");
    localXYLineAndShapeRenderer.addAnnotation(localXYPointerAnnotation, Layer.BACKGROUND);
    return localJFreeChart;
  }

  public static JPanel createDemoPanel()
  {
    JFreeChart localJFreeChart = createChart(createDataset());
    return new ChartPanel(localJFreeChart);
  }

  public static void main(String[] paramArrayOfString)
  {
    XYPointerAnnotationDemo1 localXYPointerAnnotationDemo1 = new XYPointerAnnotationDemo1("XYPointerAnnotationDemo1");
    localXYPointerAnnotationDemo1.pack();
    RefineryUtilities.centerFrameOnScreen(localXYPointerAnnotationDemo1);
    localXYPointerAnnotationDemo1.setVisible(true);
  }
}