edu.ucla.stat.SOCR.chart.demo.StackedBarChartDemo3.java Source code

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Here is the source code for edu.ucla.stat.SOCR.chart.demo.StackedBarChartDemo3.java

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

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.axis.ValueAxis;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.chart.renderer.category.StackedBarRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;

import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable;
import edu.ucla.stat.SOCR.chart.SuperCategoryChart_Bar;
import edu.ucla.stat.SOCR.chart.gui.ExtendedStackedBarRenderer;
import edu.ucla.stat.SOCR.chart.gui.SOCRCategorySeriesLabelGenerator;

/**
 * A simple demonstration application showing how to create a stacked bar chart
 * using data from a {@link CategoryDataset}.
 */
public class StackedBarChartDemo3 extends SuperCategoryChart_Bar implements PropertyChangeListener {

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

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

        int no_series = dataTable.getRowCount() - 1;
        int no_category = dataTable.getColumnCount() - 2;
        int[][] pairs = new int[no_category][2];
        for (int i = 0; i < no_category; i++) {
            pairs[i][0] = i + 1; //column i store category i
            pairs[i][1] = 0; //column 0 stores series name
        }
        chart = chartMaker.getCategoryChart("Bar", chartTitle, "Category", "value", dataTable, no_category, pairs,
                "stacked");
        chartPanel = new ChartPanel(chart, false);

        setChart();
    }

    /**
     * Creates a sample dataset.
     * 
     * @return a sample dataset.
     */
    protected CategoryDataset createDataset(boolean isDemo) {
        if (isDemo) {
            DefaultCategoryDataset dataset = new DefaultCategoryDataset();
            dataset.addValue(10.0, "Series 1", "Jan");
            dataset.addValue(12.0, "Series 1", "Feb");
            dataset.addValue(13.0, "Series 1", "Mar");
            dataset.addValue(4.0, "Series 2", "Jan");
            dataset.addValue(3.0, "Series 2", "Feb");
            dataset.addValue(2.0, "Series 2", "Mar");
            dataset.addValue(2.0, "Series 3", "Jan");
            dataset.addValue(3.0, "Series 3", "Feb");
            dataset.addValue(2.0, "Series 3", "Mar");
            dataset.addValue(2.0, "Series 4", "Jan");
            dataset.addValue(3.0, "Series 4", "Feb");
            dataset.addValue(4.0, "Series 4", "Mar");
            return dataset;
        } else
            return super.createDataset(false);
    }

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

        JFreeChart chart = ChartFactory.createStackedBarChart(chartTitle, // chart title
                domainLabel, // domain axis label
                rangeLabel, // range axis label
                dataset, // data
                PlotOrientation.VERTICAL, // the plot orientation
                !legendPanelOn, // legend
                false, // tooltips
                false // urls
        );
        CategoryPlot plot = chart.getCategoryPlot();
        CategoryItemRenderer renderer = new ExtendedStackedBarRenderer();
        renderer.setBaseItemLabelsVisible(true);
        renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
        plot.setRenderer(renderer);

        ValueAxis rangeAxis = plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        rangeAxis.setLowerMargin(0.15);
        rangeAxis.setUpperMargin(0.15);

        StackedBarRenderer renderer2 = (StackedBarRenderer) plot.getRenderer();
        renderer2.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator());

        setCategorySummary(dataset);
        return chart;

    }

}