combinedcategoryplotdemo1.java

在软件开发中用来绘制各种图表的源码

/* ------------------------------
 * CombinedCategoryPlotDemo1.java
 * ------------------------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited.
 *
 */

package demo;

import java.awt.Font;

import javax.swing.JPanel;

import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.CombinedDomainCategoryPlot;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A demo for the {@link CombinedDomainCategoryPlot} class.
 */
public class CombinedCategoryPlotDemo1 extends ApplicationFrame {

    /**
     * Creates a new demo instance.
     *
     * @param title  the frame title.
     */
    public CombinedCategoryPlotDemo1(String title) {

        super(title);
        ChartPanel chartPanel = new ChartPanel(createChart());
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(chartPanel);

    }

    /**
     * Creates a dataset.
     *
     * @return A dataset.
     */
    public static CategoryDataset createDataset1() {

        DefaultCategoryDataset result = new DefaultCategoryDataset();

        // row keys...
        String series1 = "First";
        String series2 = "Second";

        // column keys...
        String type1 = "Type 1";
        String type2 = "Type 2";
        String type3 = "Type 3";
        String type4 = "Type 4";
        String type5 = "Type 5";
        String type6 = "Type 6";
        String type7 = "Type 7";
        String type8 = "Type 8";

        result.addValue(1.0, series1, type1);
        result.addValue(4.0, series1, type2);
        result.addValue(3.0, series1, type3);
        result.addValue(5.0, series1, type4);
        result.addValue(5.0, series1, type5);
        result.addValue(7.0, series1, type6);
        result.addValue(7.0, series1, type7);
        result.addValue(8.0, series1, type8);

        result.addValue(5.0, series2, type1);
        result.addValue(7.0, series2, type2);
        result.addValue(6.0, series2, type3);
        result.addValue(8.0, series2, type4);
        result.addValue(4.0, series2, type5);
        result.addValue(4.0, series2, type6);
        result.addValue(2.0, series2, type7);
        result.addValue(1.0, series2, type8);

        return result;

    }

    /**
     * Creates a dataset.
     *
     * @return A dataset.
     */
    public static CategoryDataset createDataset2() {

        DefaultCategoryDataset result = new DefaultCategoryDataset();

        // row keys...
        String series1 = "Third";
        String series2 = "Fourth";

        // column keys...
        String type1 = "Type 1";
        String type2 = "Type 2";
        String type3 = "Type 3";
        String type4 = "Type 4";
        String type5 = "Type 5";
        String type6 = "Type 6";
        String type7 = "Type 7";
        String type8 = "Type 8";

        result.addValue(11.0, series1, type1);
        result.addValue(14.0, series1, type2);
        result.addValue(13.0, series1, type3);
        result.addValue(15.0, series1, type4);
        result.addValue(15.0, series1, type5);
        result.addValue(17.0, series1, type6);
        result.addValue(17.0, series1, type7);
        result.addValue(18.0, series1, type8);

        result.addValue(15.0, series2, type1);
        result.addValue(17.0, series2, type2);
        result.addValue(16.0, series2, type3);
        result.addValue(18.0, series2, type4);
        result.addValue(14.0, series2, type5);
        result.addValue(14.0, series2, type6);
        result.addValue(12.0, series2, type7);
        result.addValue(11.0, series2, type8);

        return result;

    }

    /**
     * Creates a chart.
     *
     * @return A chart.
     */
    private static JFreeChart createChart() {

        CategoryDataset dataset1 = createDataset1();
        NumberAxis rangeAxis1 = new NumberAxis("Value");
        rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
        renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
        CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1);
        subplot1.setDomainGridlinesVisible(true);
        
        CategoryDataset dataset2 = createDataset2();
        NumberAxis rangeAxis2 = new NumberAxis("Value");
        rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        BarRenderer renderer2 = new BarRenderer();
        renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
        CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2);
        subplot2.setDomainGridlinesVisible(true);

        CategoryAxis domainAxis = new CategoryAxis("Category");
        CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot(domainAxis);
        plot.add(subplot1, 2);
        plot.add(subplot2, 1);
        
        JFreeChart result = new JFreeChart(
            "Combined Domain Category Plot Demo",
            new Font("SansSerif", Font.BOLD, 12),
            plot,
            true
        );
        return result;

    }

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

        String title = "Combined Category Plot Demo 1";
        CombinedCategoryPlotDemo1 demo = new CombinedCategoryPlotDemo1(title);
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}