edu.ucla.stat.SOCR.chart.demo.PolarChartDemo1.java Source code

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Here is the source code for edu.ucla.stat.SOCR.chart.demo.PolarChartDemo1.java

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

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

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.PolarPlot;
import org.jfree.chart.renderer.PolarItemRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable;
import edu.ucla.stat.SOCR.chart.SuperXYChart;
import edu.ucla.stat.SOCR.chart.gui.*;

/**
 * A simple demonstration application showing how to create a polar chart.
 */
public class PolarChartDemo1 extends SuperXYChart implements PropertyChangeListener {

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

        resetChart();
        showMessageDialog("PolarChartDemo1 doTest get called!");

        int no_series = (dataTable.getColumnCount() - 2) / 2;
        int[][] pairs = new int[no_series][2];
        for (int i = 0; i < no_series; i++) {
            pairs[i][0] = 2 * i; //column x
            pairs[i][1] = 2 * i + 1; //column y
        }
        chart = chartMaker.getXYChart("Polar", "Polar Chart", "X", "Y", dataTable, no_series, pairs, "");
        chartPanel = new ChartPanel(chart, false);

        setChart();
    }

    /**
     * Returns a sample dataset.
     * 
     * @return The dataset.
     */
    protected XYDataset createDataset(boolean isDemo) {
        if (isDemo) {
            XYSeriesCollection result = new XYSeriesCollection();
            XYSeries s1 = new XYSeries("Series 1");
            s1.add(0.0, 2.0);
            s1.add(90.0, 13.0);
            s1.add(180.0, 9.0);
            s1.add(270.0, 8.0);
            result.addSeries(s1);

            XYSeries s2 = new XYSeries("Series 2");
            s2.add(90.0, -11.2);
            s2.add(180.0, 21.4);
            s2.add(250.0, 17.3);
            s2.add(355.0, 10.9);
            result.addSeries(s2);
            return result;
        } else
            return super.createDataset(false);

    }

    /**
     * Creates a sample chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return The chart.
     */
    protected JFreeChart createChart(XYDataset dataset) {

        // create the chart...
        JFreeChart chart = ChartFactory.createPolarChart(chartTitle, dataset, true, false, false);

        chart.setBackgroundPaint(Color.white);

        // get a reference to the plot for further customisation...
        PolarPlot plot = (PolarPlot) chart.getPlot();
        plot.setBackgroundPaint(Color.lightGray);
        if (isDemo) {
            plot.addCornerTextItem("Corner Item 1");
            plot.addCornerTextItem("Corner Item 2");
        }

        plot.setRenderer(new SOCRPolarItemRenderer());
        //PolarItemRenderer renderer = plot.getRenderer();
        //renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator());

        // set the range axis to display integers only...
        NumberAxis rangeAxis = (NumberAxis) plot.getAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

        setXSummary(dataset);
        if (legendPanelOn)
            chart.removeLegend();

        return chart;

    }

}