combinedcategoryplotdemo2.java

大家打开看看啊, 很有用的东西

/* ======================================
 * JFreeChart : a free Java chart library
 * ======================================
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 * Project Lead:  David Gilbert ([e-mail]);
 *
 * (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * ------------------------------
 * CombinedCategoryPlotDemo2.java
 * ------------------------------
 * (C) Copyright 2003, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited).
 * Contributor(s):   -;
 *
 * $Id: CombinedCategoryPlotDemo2.java,v 1.6 2003/07/23 15:17:44 mungady Exp $
 *
 * Changes
 * -------
 * 16-May-2003 : Version 1 (DG);
 *
 */

package org.jfree.chart.demo;

import java.awt.Font;

import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.Legend;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.CombinedRangeCategoryPlot;
import org.jfree.chart.renderer.BarRenderer;
import org.jfree.chart.renderer.LineAndShapeRenderer;
import org.jfree.data.CategoryDataset;
import org.jfree.data.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A demo for the {@link CombinedRangeCategoryPlot} class.
 *
 * @author David Gilbert
 */
public class CombinedCategoryPlotDemo2 extends ApplicationFrame {

    /**
     * Creates a new demo instance.
     *
     * @param title  the frame title.
     */
    public CombinedCategoryPlotDemo2(String title) {

        super(title);

        // add the chart to a panel...
        ChartPanel chartPanel = new ChartPanel(createChart());
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(chartPanel);

    }

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

        DefaultCategoryDataset result = new DefaultCategoryDataset();

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

        // column keys...
        String sector1 = "Sector 1";
        String sector2 = "Sector 2";
        String sector3 = "Sector 3";
        String sector4 = "Sector 4";

        result.addValue(11.0, series1, sector1);
        result.addValue(14.0, series1, sector2);
        result.addValue(13.0, series1, sector3);
        result.addValue(15.0, series1, sector4);

        result.addValue(15.0, series2, sector1);
        result.addValue(17.0, series2, sector2);
        result.addValue(16.0, series2, sector3);
        result.addValue(18.0, series2, sector4);

        return result;

    }

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

        CategoryDataset dataset1 = createDataset1();
        CategoryAxis domainAxis1 = new CategoryAxis("Class 1");
        LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
        renderer1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        CategoryPlot subplot1 = new CategoryPlot(dataset1, domainAxis1, null, renderer1);
        subplot1.setDomainGridlinesVisible(true);
        subplot1.getDomainAxis().setVerticalCategoryLabels(true);

        CategoryDataset dataset2 = createDataset2();
        CategoryAxis domainAxis2 = new CategoryAxis("Class 2");
        BarRenderer renderer2 = new BarRenderer();
        renderer2.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        CategoryPlot subplot2 = new CategoryPlot(dataset2, domainAxis2, null, renderer2);
        subplot2.setDomainGridlinesVisible(true);
        subplot2.getDomainAxis().setVerticalCategoryLabels(true);

        ValueAxis rangeAxis = new NumberAxis("Value");
        CombinedRangeCategoryPlot plot = new CombinedRangeCategoryPlot(rangeAxis);
        plot.add(subplot1, 3);
        plot.add(subplot2, 2);

        JFreeChart result = new JFreeChart(
            "Combined Range Category Plot Demo",
            new Font("SansSerif", Font.BOLD, 12),
            plot,
            true
        );
        result.getLegend().setAnchor(Legend.SOUTH);
        return result;

    }

    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(String[] args) {

        String title = "Combined Category Plot Demo 2";
        CombinedCategoryPlotDemo2 demo = new CombinedCategoryPlotDemo2(title);
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}