combinedxyplotdemo2.java

在软件开发中用来绘制各种图表的源码

/* ------------------------
 * CombinedXYPlotDemo2.java
 * ------------------------
 * (C) Copyright 2002-2004, by Object Refinery Limited.
 *
 */

package demo;

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;

import javax.swing.JPanel;

import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.CombinedRangeXYPlot;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYBarRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.data.time.Day;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.IntervalXYDataset;
import org.jfree.data.xy.XYDataset;
import org.jfree.date.MonthConstants;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A demonstration application showing how to create a combined chart.  A
 * bar chart is displayed on the left, and a line chart on the right.
 */
public class CombinedXYPlotDemo2 extends ApplicationFrame {

    /**
     * Constructs a new demonstration application.
     *
     * @param title  the frame title.
     */
    public CombinedXYPlotDemo2(String title) {

        super(title);
        JFreeChart chart = createCombinedChart();
        ChartPanel panel = new ChartPanel(chart, true, true, true, false, true);
        panel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(panel);

    }

    /**
     * Creates a combined XYPlot chart.
     *
     * @return the combined chart.
     */
    private static JFreeChart createCombinedChart() {

        // create subplot 1...
        IntervalXYDataset data1 = createDataset1();
        XYItemRenderer renderer1 = new XYBarRenderer(0.20);
        renderer1.setToolTipGenerator(
            new StandardXYToolTipGenerator(
                StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
                new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0,000.0")
            )
        );
        XYPlot subplot1 = new XYPlot(data1, new DateAxis("Date"), null, renderer1);

        // create subplot 2...
        XYDataset data2 = createDataset2();
        XYItemRenderer renderer2 = new StandardXYItemRenderer();
        renderer2.setToolTipGenerator(
            new StandardXYToolTipGenerator(
                StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
                new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0,000.0")
            )
        );
        XYPlot subplot2 = new XYPlot(data2, new DateAxis("Date"), null, renderer2);

        // create a parent plot...
        CombinedRangeXYPlot plot = new CombinedRangeXYPlot(new NumberAxis("Value"));

        // add the subplots...
        plot.add(subplot1, 1);
        plot.add(subplot2, 1);

        // return a new chart containing the overlaid plot...
        return new JFreeChart(
            "Combined (Range) XY Plot", JFreeChart.DEFAULT_TITLE_FONT, plot, true
        );

    }
    
    /**
     * Creates a sample dataset.
     *
     * @return Series 1.
     */
    private static IntervalXYDataset createDataset1() {

        // create dataset 1...
        TimeSeries series1 = new TimeSeries("Series 1", Day.class);
        series1.add(new Day(1, MonthConstants.MARCH, 2002), 12353.3);
        series1.add(new Day(2, MonthConstants.MARCH, 2002), 13734.4);
        series1.add(new Day(3, MonthConstants.MARCH, 2002), 14525.3);
        series1.add(new Day(4, MonthConstants.MARCH, 2002), 13984.3);
        series1.add(new Day(5, MonthConstants.MARCH, 2002), 12999.4);
        series1.add(new Day(6, MonthConstants.MARCH, 2002), 14274.3);
        series1.add(new Day(7, MonthConstants.MARCH, 2002), 15943.5);
        series1.add(new Day(8, MonthConstants.MARCH, 2002), 14845.3);
        series1.add(new Day(9, MonthConstants.MARCH, 2002), 14645.4);
        series1.add(new Day(10, MonthConstants.MARCH, 2002), 16234.6);
        series1.add(new Day(11, MonthConstants.MARCH, 2002), 17232.3);
        series1.add(new Day(12, MonthConstants.MARCH, 2002), 14232.2);
        series1.add(new Day(13, MonthConstants.MARCH, 2002), 13102.2);
        series1.add(new Day(14, MonthConstants.MARCH, 2002), 14230.2);
        series1.add(new Day(15, MonthConstants.MARCH, 2002), 11235.2);

        TimeSeriesCollection collection = new TimeSeriesCollection(series1);
        collection.setDomainIsPointsInTime(false);  // this tells the time series collection that
                                                    // we intend the data to represent time periods
                                                    // NOT points in time.  This is required when
                                                    // determining the min/max values in the
                                                    // dataset's domain.
        return collection;

    }

    /**
     * Creates a sample dataset.
     *
     * @return Series 2.
     */
    private static XYDataset createDataset2() {

        // create dataset 2...
        TimeSeries series2 = new TimeSeries("Series 2", Day.class);

        series2.add(new Day(3, MonthConstants.MARCH, 2002), 6853.2);
        series2.add(new Day(4, MonthConstants.MARCH, 2002), 9642.3);
        series2.add(new Day(5, MonthConstants.MARCH, 2002), 8253.5);
        series2.add(new Day(6, MonthConstants.MARCH, 2002), 5352.3);
        series2.add(new Day(7, MonthConstants.MARCH, 2002), 3532.0);
        series2.add(new Day(8, MonthConstants.MARCH, 2002), 2635.3);
        series2.add(new Day(9, MonthConstants.MARCH, 2002), 3998.2);
        series2.add(new Day(10, MonthConstants.MARCH, 2002), 1943.2);
        series2.add(new Day(11, MonthConstants.MARCH, 2002), 6943.9);
        series2.add(new Day(12, MonthConstants.MARCH, 2002), 7843.2);
        series2.add(new Day(13, MonthConstants.MARCH, 2002), 6495.3);
        series2.add(new Day(14, MonthConstants.MARCH, 2002), 7943.6);
        series2.add(new Day(15, MonthConstants.MARCH, 2002), 8500.7);
        series2.add(new Day(16, MonthConstants.MARCH, 2002), 9595.9);

        return new TimeSeriesCollection(series2);

    }

    /**
     * Creates a panel for the demo (used by SuperDemo.java).
     * 
     * @return A panel.
     */
    public static JPanel createDemoPanel() {
        JFreeChart chart = createCombinedChart();
        return new ChartPanel(chart);
    }
    
    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(String[] args) {

        CombinedXYPlotDemo2 demo = new CombinedXYPlotDemo2("Combined XY Plot Demo");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}