edu.ucla.stat.SOCR.chart.demo.CrosshairDemo4.java Source code

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Here is the source code for edu.ucla.stat.SOCR.chart.demo.CrosshairDemo4.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.XYLineAndShapeRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.ui.RectangleInsets;

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 crosshairs that can be displayed in 
 * an {@link XYPlot}.
 */
public class CrosshairDemo4 extends SuperXYChart implements PropertyChangeListener {
    /**
     * sample code showing how to create a  chart using ChartGenerator_JTable class
     */
    public void doTest() {
        JFreeChart chart;
        ChartGenerator_JTable chartMaker = new ChartGenerator_JTable();

        resetChart();
        showMessageDialog(chartTitle + " 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("Line", chartTitle, "X", "Y", dataTable, no_series, pairs, "");
        chartPanel = new ChartPanel(chart, false);

        setChart();
    }

    /**
     * Creates a sample dataset.
     * 
     * @return a sample dataset.
     */
    protected XYDataset createDataset(boolean isDemo) {
        if (isDemo) {
            XYSeries series1 = new XYSeries("First");
            series1.add(1.0, 1.0);
            series1.add(2.0, 4.0);
            series1.add(3.0, 3.0);
            series1.add(4.0, 5.0);
            series1.add(5.0, 5.0);
            series1.add(6.0, 7.0);
            series1.add(7.0, 7.0);
            series1.add(8.0, 8.0);

            XYSeries series2 = new XYSeries("Second");
            series2.add(1.0, 5.0);
            series2.add(2.0, 7.0);
            series2.add(3.0, 6.0);
            series2.add(4.0, 8.0);
            series2.add(5.0, 4.0);
            series2.add(6.0, 4.0);
            series2.add(7.0, 2.0);
            series2.add(8.0, 1.0);

            XYSeries series3 = new XYSeries("Third");
            series3.add(3.0, 4.0);
            series3.add(4.0, 3.0);
            series3.add(5.0, 2.0);
            series3.add(6.0, 3.0);
            series3.add(7.0, 6.0);
            series3.add(8.0, 3.0);
            series3.add(9.0, 4.0);
            series3.add(10.0, 3.0);

            XYSeriesCollection dataset = new XYSeriesCollection();
            dataset.addSeries(series1);
            dataset.addSeries(series2);
            dataset.addSeries(series3);

            return dataset;
        } else
            return super.createDataset(false);

    }

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

        JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, // chart title
                domainLabel, // x axis label
                rangeLabel, // y axis label
                dataset, // data
                PlotOrientation.VERTICAL, !legendPanelOn, // include legend
                true, // tooltips
                false // urls
        );

        chart.setBackgroundPaint(Color.white);

        XYPlot plot = chart.getXYPlot();
        plot.setBackgroundPaint(Color.lightGray);
        plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);

        plot.setDomainCrosshairVisible(true);
        plot.setRangeCrosshairVisible(true);

        XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
        renderer.setBaseShapesVisible(true);
        renderer.setBaseShapesFilled(true);
        renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator());

        // change the auto tick unit selection to integer units only...
        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

        setXSummary(dataset);
        return chart;

    }

}