edu.ucla.stat.SOCR.chart.demo.BubbleChartDemo1.java Source code

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Here is the source code for edu.ucla.stat.SOCR.chart.demo.BubbleChartDemo1.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.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.data.xy.XYZDataset;

import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable;
import edu.ucla.stat.SOCR.chart.SuperBubbleChart;
import edu.ucla.stat.SOCR.chart.data.SampleXYZDataset;
import edu.ucla.stat.SOCR.chart.gui.SOCRScaledBubbleSeriesLabelGenerator;

/**
 * A bubble chart demo.
 */
public class BubbleChartDemo1 extends SuperBubbleChart implements PropertyChangeListener {

    protected XYZDataset createDataset(boolean isDemo) {
        if (isDemo) {
            domainLabel = "X";
            rangeLabel = "Y";
            return new SampleXYZDataset();
        } else
            return super.createDataset(false);
    }

    /**
     * sample code showing how to create a  bubble chart using ChartGenerator_JTable class
     */
    public void doTest() {
        JFreeChart chart;
        ChartGenerator_JTable chartMaker = new ChartGenerator_JTable();

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

        int no_series = (dataTable.getColumnCount()) / 3;
        int[][] pairs = new int[no_series][3];
        for (int i = 0; i < no_series; i++) {
            pairs[i][0] = 3 * i; //column x
            pairs[i][1] = 3 * i + 1; //column y
            pairs[i][2] = 3 * i + 2; //column y
        }

        chart = chartMaker.getXYZBubbleChart("Bubble Chart", domainLabel, rangeLabel, dataTable, no_series, pairs,
                "");
        chartPanel = new ChartPanel(chart, false);

        setChart();
    }

    /**
     * Creates a chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return The chart.
     */
    protected JFreeChart createChart(XYZDataset dataset) {
        JFreeChart chart = ChartFactory.createBubbleChart(chartTitle, domainLabel, rangeLabel, dataset,
                PlotOrientation.VERTICAL, !legendPanelOn, true, false);
        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setForegroundAlpha(0.65f);

        //    SOCRBubbleRenderer renderer = new SOCRBubbleRenderer(dataset);
        //    plot.setRenderer((XYItemRenderer)renderer);
        XYItemRenderer renderer = plot.getRenderer();
        renderer.setSeriesPaint(0, Color.blue);
        renderer.setLegendItemLabelGenerator(new SOCRScaledBubbleSeriesLabelGenerator(zScale));

        // increase the margins to account for the fact that the auto-range 
        // doesn't take into account the bubble size...
        NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
        domainAxis.setLowerMargin(0.15);
        domainAxis.setUpperMargin(0.15);
        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setLowerMargin(0.15);
        rangeAxis.setUpperMargin(0.15);
        return chart;
    }

}