edu.ucla.stat.SOCR.chart.demo.XYStepRendererDemo1.java Source code

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Here is the source code for edu.ucla.stat.SOCR.chart.demo.XYStepRendererDemo1.java

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

import java.awt.BasicStroke;
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.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYStepRenderer;
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.SOCRXYSeriesLabelGenerator;

/**
 * A simple demonstration of the {@link XYStepRenderer} class.
 */
public class XYStepRendererDemo1 extends SuperXYChart implements PropertyChangeListener {
    /**
     * Creates a sample chart.
     * 
     * @param dataset  a dataset for the chart.
     * 
     * @return A sample chart.
     */
    protected JFreeChart createChart(XYDataset dataset) {
        JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, domainLabel, rangeLabel, dataset,
                PlotOrientation.VERTICAL, !legendPanelOn, true, false);
        XYPlot plot = (XYPlot) chart.getPlot();
        XYStepRenderer renderer = new XYStepRenderer();
        renderer.setBaseStroke(new BasicStroke(2.0f));
        renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
        renderer.setDefaultEntityRadius(6);
        renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator());

        plot.setRenderer(renderer);
        setXSummary(dataset);
        return chart;
    }

    protected JFreeChart createLegend(XYDataset dataset) {

        JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, // chart title
                domainLabel, // domain axis label
                rangeLabel, // range axis label
                dataset, // data
                PlotOrientation.VERTICAL, // orientation
                true, // include legend
                true, // tooltips
                false // url
        );

        // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
        chart.setBackgroundPaint(Color.white);
        XYPlot plot = (XYPlot) chart.getPlot();

        XYStepRenderer renderer = new XYStepRenderer();
        renderer.setBaseStroke(new BasicStroke(2.0f));
        renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
        renderer.setDefaultEntityRadius(6);
        renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator());

        plot.setRenderer(renderer);
        return chart;

    }

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

        resetChart();
        showMessageDialog("XYStepRendererDemo1 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("Step", "Step Chart", "X", "Y", dataTable, no_series, pairs, "");
        chartPanel = new ChartPanel(chart, false);

        setChart();
    }

    /**
     * Creates a sample dataset.
     * 
     * @return A dataset.
     */
    protected XYDataset createDataset(boolean isDemo) {
        if (isDemo) {
            XYSeries series1 = new XYSeries("Series 1");
            series1.add(1.0, 3.0);
            series1.add(2.0, 4.0);
            series1.add(3.0, 2.0);
            //series1.add(5.0, 6.0);
            series1.add(6.0, 3.0);
            XYSeries series2 = new XYSeries("Series 2");
            series2.add(1.0, 7.0);
            series2.add(2.0, 6.0);
            series2.add(3.0, 9.0);
            series2.add(4.0, 5.0);
            series2.add(6.0, 4.0);
            XYSeriesCollection dataset = new XYSeriesCollection();
            dataset.addSeries(series1);
            dataset.addSeries(series2);
            return dataset;
        } else
            return super.createDataset(false);
    }

}