net.nosleep.superanalyzer.analysis.views.EncodingKindView.java Source code

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Here is the source code for net.nosleep.superanalyzer.analysis.views.EncodingKindView.java

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/****************************************************************************
 The Super Analyzer
 Copyright (C) 2009 Tom Bulatewicz, Nosleep Software
    
 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 net.nosleep.superanalyzer.analysis.views;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Hashtable;

import javax.swing.JComboBox;
import javax.swing.JPanel;

import net.nosleep.superanalyzer.analysis.Analysis;
import net.nosleep.superanalyzer.panels.HomePanel;
import net.nosleep.superanalyzer.util.ComboItem;
import net.nosleep.superanalyzer.util.Misc;
import net.nosleep.superanalyzer.util.Theme;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.ui.RectangleInsets;
import org.jfree.util.Rotation;

public class EncodingKindView implements IStatisticView {

    public static final int Id = 1;

    private JComboBox _comboBox;
    private Analysis _analysis;
    private JFreeChart _chart;
    private ChartPanel _chartPanel;
    private DefaultPieDataset _dataset;
    private PieRotator _rotator;

    public EncodingKindView(Analysis analysis) {

        _analysis = analysis;
        createPanel();

        _rotator = new PieRotator((PiePlot3D) _chart.getPlot());
    }

    private void createPanel() {

        _comboBox = new JComboBox(_analysis.getComboBoxItems());
        _comboBox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent e) {
                refreshDataset();
            }
        });

        _dataset = new DefaultPieDataset();

        createChart();
        _chartPanel = new ChartPanel(_chart);
        _chartPanel.setMouseWheelEnabled(true);

        refreshDataset();
    }

    public JPanel getPanel(HomePanel homePanel) {

        JPanel panel = new JPanel(new BorderLayout());

        JPanel headerPanel = homePanel.createHeaderPanel(_comboBox, _analysis.tagsAreIncomplete());
        panel.add(headerPanel, BorderLayout.NORTH);
        panel.add(_chartPanel, BorderLayout.CENTER);
        panel.add(homePanel.createRightButtonBarPanel(_rotator), BorderLayout.EAST);

        return panel;
    }

    private void createChart() {

        _chart = ChartFactory.createPieChart3D(Misc.getString("KINDS_OF_MUSIC_FILES"), _dataset, false, true,
                false);

        PiePlot3D plot = (PiePlot3D) _chart.getPlot();
        plot.setDarkerSides(true);
        plot.setStartAngle(PieRotator.angle);
        plot.setDirection(Rotation.CLOCKWISE);
        plot.setForegroundAlpha(0.5f);
        plot.setNoDataMessage("No data to display");
        plot.setInsets(new RectangleInsets(10, 10, 10, 10));
        plot.setOutlineVisible(false);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({2})"));

        _chart.addSubtitle(HomePanel.createSubtitle(Misc.getString("KINDS_OF_MUSIC_FILES_SUBTITLE")));

        ChartUtilities.applyCurrentTheme(_chart);
        plot.setBackgroundPaint(Color.white);
        _chart.setBorderVisible(false);

        plot.setIgnoreZeroValues(true);

        // plot.setAutoPopulateSectionPaint(false);

        // Misc.formatChart(plot);
    }

    private void refreshDataset() {
        PiePlot3D plot = (PiePlot3D) _chart.getPlot();

        _dataset.clear();
        // plot.clearSectionPaints(true);

        Hashtable kindHash = null;

        if (_comboBox == null) {
            kindHash = _analysis.getEncodingKinds(Analysis.KIND_TRACK, null);
        } else {
            ComboItem item = (ComboItem) _comboBox.getSelectedItem();
            kindHash = _analysis.getEncodingKinds(item.getKind(), item.getValue());
        }

        Color[] colors = Theme.getColorSet();

        Enumeration e = kindHash.keys();
        int i = 0;
        while (e.hasMoreElements()) {
            String kindName = (String) e.nextElement();
            Integer count = (Integer) kindHash.get(kindName);
            // if (count.intValue() > 0) {
            _dataset.setValue(kindName, new Double(count));
            plot.setSectionPaint(kindName, colors[5 - (i % colors.length)]); // mod it in case we don't have enough colors
            i++;
            if (i > colors.length)
                i = 0;
            // }
        }

        // plot.notifyListeners(new PlotChangeEvent(plot));

        // _chartPanel.invalidate();
    }

    public boolean canSaveImage() {
        return true;
    }

    public void saveImage(File file, Dimension d) throws IOException {
        if (d == null)
            d = new Dimension(_chartPanel.getWidth(), _chartPanel.getHeight());
        ChartUtilities.saveChartAsPNG(file, _chart, d.width, d.height);
    }

    public int getId() {
        return Id;
    }

    public void saveImageExtra(File file, Dimension d) throws IOException {
    }

    public void willDisappear() {
        _rotator.stop();
    }
}