de.thorstenberger.taskmodel.view.statistics.graph.BoxScoresDatasetProducer.java Source code

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Here is the source code for de.thorstenberger.taskmodel.view.statistics.graph.BoxScoresDatasetProducer.java

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/*
    
Copyright (C) 2010 Steffen Dienst
    
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package de.thorstenberger.taskmodel.view.statistics.graph;

import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.data.general.Dataset;
import org.jfree.data.statistics.BoxAndWhiskerCategoryDataset;
import org.jfree.data.statistics.DefaultBoxAndWhiskerCategoryDataset;

import de.laures.cewolf.DatasetProduceException;
import de.laures.cewolf.DatasetProducer;
import de.laures.cewolf.taglib.CewolfChartFactory;
import de.laures.cewolf.taglib.IncompatibleDatasetException;
import de.thorstenberger.taskmodel.Tasklet;
import de.thorstenberger.taskmodel.complex.ComplexTasklet;
import de.thorstenberger.taskmodel.complex.complextaskhandling.ManualSubTaskletCorrection;
import de.thorstenberger.taskmodel.complex.complextaskhandling.Page;
import de.thorstenberger.taskmodel.complex.complextaskhandling.SubTasklet;
import de.thorstenberger.taskmodel.complex.complextaskhandling.subtasklets.SubTasklet_Cloze;
import de.thorstenberger.taskmodel.complex.complextaskhandling.subtasklets.SubTasklet_MC;
import de.thorstenberger.taskmodel.complex.complextaskhandling.subtasklets.SubTasklet_Mapping;
import de.thorstenberger.taskmodel.complex.complextaskhandling.subtasklets.SubTasklet_Text;

/**
 * Chart dataset to show box and whisker charts of point distribution per subtasklet type.
 * 
 * @author Steffen Dienst
 * 
 */
public class BoxScoresDatasetProducer implements DatasetProducer {
    static {
        // make sure we can render boxandwhisker charts, too
        CewolfChartFactory.registerFactory(new CewolfChartFactory("box") {

            @Override
            public JFreeChart getChartInstance(String title, String xAxisLabel, String yAxisLabel, Dataset data)
                    throws IncompatibleDatasetException {
                CewolfChartFactory.check(data, BoxAndWhiskerCategoryDataset.class, "box");
                return ChartFactory.createBoxAndWhiskerChart(title, xAxisLabel, yAxisLabel,
                        (BoxAndWhiskerCategoryDataset) data, true);
            }
        });
    }

    private List mc, cloze, mapping, text;

    public BoxScoresDatasetProducer(List<Tasklet> tasklets) {
        mc = filterScores(tasklets, SubTasklet_MC.class);
        mapping = filterScores(tasklets, SubTasklet_Mapping.class);
        cloze = filterScores(tasklets, SubTasklet_Cloze.class);
        text = filterScores(tasklets, SubTasklet_Text.class);

    }

    private List filterScores(List<Tasklet> tasklets, Class<? extends SubTasklet> clazz) {
        List<Float> scores = new LinkedList<Float>();
        for (Tasklet t : tasklets) {
            scores.addAll(countScoresOfType(t, clazz));
        }
        return scores;
    }

    private List<Float> countScoresOfType(Tasklet tasklet, Class<? extends SubTasklet> taskletClazz) {
        List<Float> res = new LinkedList<Float>();

        if (tasklet instanceof ComplexTasklet) {
            ComplexTasklet ct = (ComplexTasklet) tasklet;
            if (ct.getSolutionOfLatestTry() != null) {
                for (Page page : ct.getSolutionOfLatestTry().getPages()) {
                    for (SubTasklet st : page.getSubTasklets()) {
                        if (!taskletClazz.isAssignableFrom(st.getClass()) || !st.isCorrected()) {
                            continue;
                        }

                        if (st.isAutoCorrected()) {
                            res.add(st.getAutoCorrection().getPoints());
                        } else {
                            float sum = 0;
                            for (ManualSubTaskletCorrection mcorr : st.getManualCorrections()) {
                                sum += mcorr.getPoints();
                            }
                            res.add(sum / st.getManualCorrections().size());
                        }
                    }
                }
            }
        }
        return res;
    }

    /*
     * (non-Javadoc)
     *
     * @see de.laures.cewolf.DatasetProducer#produceDataset(java.util.Map)
     */
    public Object produceDataset(Map params) throws DatasetProduceException {
        DefaultBoxAndWhiskerCategoryDataset dataset = new DefaultBoxAndWhiskerCategoryDataset();
        dataset.add(mc, "MC", "MC");
        dataset.add(cloze, "Lckentext", "Lckentext");
        dataset.add(mapping, "Zuordnung", "Zuordnung");
        dataset.add(text, "Freitext", "Freitext");
        return dataset;

    }

    /*
     * (non-Javadoc)
     *
     * @see de.laures.cewolf.DatasetProducer#hasExpired(java.util.Map, java.util.Date)
     */
    public boolean hasExpired(Map params, Date since) {
        return (System.currentTimeMillis() - since.getTime()) > 5000;
    }

    /*
     * (non-Javadoc)
     *
     * @see de.laures.cewolf.DatasetProducer#getProducerId()
     */
    public String getProducerId() {
        return "box plot for tasklet types";
    }

}