org.kineticsystem.commons.data.demo.panels.AggregationChartPane.java Source code

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Here is the source code for org.kineticsystem.commons.data.demo.panels.AggregationChartPane.java

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/*
 * ContactChartPanel.java
 *
 * Created on 26 aprile 2006, 18.41
 *
 * Copyright (C) 2004 Remigi Giovanni
 * g.remigi@kineticsystem.org
 * www.kineticsystem.org
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package org.kineticsystem.commons.data.demo.panels;

// Java classes.

import java.awt.event.*;
import java.util.*;

import javax.swing.*;

// JFreeChartClasses.

import org.jfree.chart.*;
import org.jfree.chart.axis.*;
import org.jfree.chart.plot.*;
import org.jfree.data.category.*;

// Application classes.

import org.kineticsystem.commons.data.demo.aggregator.*;
import org.kineticsystem.commons.data.model.*;
import org.kineticsystem.commons.data.model.mapping.*;
import org.kineticsystem.commons.layout.*;
import org.kineticsystem.commons.random.*;
import org.kineticsystem.commons.random.bean.*;

/**
 * This is a panel with a pie chart showing an aggregated list of contacts.
 * @author Giovanni Remigi
 * $Revision: 26 $
 */
@SuppressWarnings("serial")
public class AggregationChartPane extends JPanel implements ActiveListListener {

    /* /////////////////////////////////////////////////////////////////////////
     * Variables.
     */

    /** The monitored list of grouped contacts. */
    private GroupMapping<RandomContact> groups;

    /** The set of values to be used as X axis. */
    private DefaultCategoryDataset dataset;

    /* /////////////////////////////////////////////////////////////////////////
     * Constructors.
     */

    /**
     * Constructor.
     * @param source This is the source list being modified ate the same time
     *     by many threads.
     */
    public AggregationChartPane(ActiveList<RandomContact> source) {

        // Define aggregators.

        GroupAggregator[] aggregators = new GroupAggregator[] { new ContactsPerContinentAggr(),
                new AvgAgePerContinentAggr(), new MaxAgePerContinentAggr(), new MinAgePerContinentAggr() };

        // Aggregator selector.

        DefaultComboBoxModel groupComboModel = new DefaultComboBoxModel(aggregators);
        final JComboBox groupCombo = new JComboBox(groupComboModel);
        groupCombo.setSelectedIndex(1);
        groupCombo.setToolTipText("Select an aggregation function.");

        // Create the dataset.

        dataset = new DefaultCategoryDataset();
        List<Country> countries = RandomContactGenerator.getCountries();
        Set<String> continents = new TreeSet<String>();

        for (Country country : countries) {
            continents.add(country.getContinent());
        }

        for (String continent : continents) {
            dataset.setValue(0, continent, "");
        }

        // Define the aggregated list.

        groups = new GroupMapping<RandomContact>(source);
        groups.setAggregator(aggregators[0]);
        groups.getTarget().addActiveListListener(this);

        // Create the chart.

        JFreeChart chart = ChartFactory.createBarChart("", "Continent", groups.getAggregator().toString(), dataset,
                PlotOrientation.VERTICAL, true, // legend?
                true, // tooltips?
                false // URLs?
        );
        final ValueAxis axis = chart.getCategoryPlot().getRangeAxis();
        axis.setAutoRange(true);
        axis.setRange(0, 250);

        ChartPanel chartPanel = new ChartPanel(chart);

        // Create the selector.

        ActionListener groupComboListener = new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JComboBox cb = (JComboBox) e.getSource();
                GroupAggregator aggr = (GroupAggregator) cb.getSelectedItem();
                groups.setAggregator(aggr);
                axis.setLabel(aggr.toString());
            }
        };
        groupCombo.addActionListener(groupComboListener);

        // Layout the GUI.

        Cell cell = new Cell();

        TetrisLayout groupTableLayout = new TetrisLayout(2, 1);
        groupTableLayout.setRowWeight(0, 0);
        groupTableLayout.setRowWeight(1, 100);

        setLayout(groupTableLayout);
        add(groupCombo, cell);
        add(chartPanel, cell);
    }

    /* /////////////////////////////////////////////////////////////////////////
     * ActiveListListener interface implementation.
     */

    /** {inheritDoc} */
    public void contentsChanged(ActiveListEvent event) {
        for (Group<RandomContact> group : groups.getTarget()) {
            String continent = group.getItems().get(0).getContinent();
            int value = ((Integer) group.getAggregation()).intValue();
            dataset.setValue(value, continent, "");
        }
    }
}

//        DefaultPieDataset dataset = new DefaultPieDataset();
//        for (Group<RandomContact> group : groups) {
//            String continent = group.getDelegate().getContinent();
//            int value = ((Integer) group.getAggregation()).intValue();
//            dataset.setValue(continent, value);
//        }
//        JFreeChart chart = ChartFactory.createPieChart(
//            groups.getAggregator().toString(),
//            dataset,
//            true, // legend?
//            true, // tooltips?
//            false // URLs?
//        );