edu.ucla.stat.SOCR.chart.demo.PieChartDemo3.java Source code

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Here is the source code for edu.ucla.stat.SOCR.chart.demo.PieChartDemo3.java

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package edu.ucla.stat.SOCR.chart.demo;

import java.awt.Color;
import java.awt.Font;
import java.beans.PropertyChangeListener;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.PieDataset;

import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable;
import edu.ucla.stat.SOCR.chart.SuperPieChart;
import edu.ucla.stat.SOCR.chart.gui.Rotator;

/**
 * A pie chart with no data, to demonstrate the use of the setNoDataMessage() 
 * method.
 */
public class PieChartDemo3 extends SuperPieChart implements PropertyChangeListener {

    /**
     * sample code showing how to use ChartGenerator_JTable to create chart
     */

    public void doTest() {
        JFreeChart chart;
        ChartGenerator_JTable chartMaker = new ChartGenerator_JTable();

        resetChart();
        showMessageDialog(chartTitle + " doTest get called!");

        int[][] pairs = new int[1][2];
        pairs[0][0] = 1; // value
        pairs[0][1] = 0; // name
        chart = chartMaker.getPieChart(chartTitle, dataTable, pairs, "");
        chartPanel = new ChartPanel(chart, false);

        setChart();
    }

    /**
     * Creates a demo chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return A chart.
     */
    protected JFreeChart createChart(PieDataset dataset) {
        dataset = null;

        JFreeChart chart = ChartFactory.createPieChart(chartTitle, // chart title
                dataset, // data
                !legendPanelOn, // include legend
                true, false);

        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setNoDataMessage("No data available so we go into this really "
                + "long spiel about what that means and it runs off the end of the "
                + "line but what can you do about that!");
        plot.setNoDataMessageFont(new Font("Serif", Font.ITALIC, 10));
        plot.setNoDataMessagePaint(Color.red);
        for (int i = 0; i < pulloutFlag.length; i++) {
            //System.out.println("\""+pulloutFlag[i]+"\"");
            if (isPullout(i)) {
                Comparable key = dataset.getKey(i);
                plot.setExplodePercent(key, 0.30);
            }
        }

        if (rotateOn) {
            Rotator rotator = new Rotator(plot);
            rotator.start();
        }

        setCategorySummary(dataset);
        return chart;
    }

}