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package net.sf.statcvs.charts;
import java.awt.Color;
import java.awt.Dimension;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.Set;
import net.sf.statcvs.Messages;
import net.sf.statcvs.model.Author;
import net.sf.statcvs.model.Commit;
import net.sf.statcvs.model.Repository;
import net.sf.statcvs.model.Revision;
import net.sf.statcvs.output.ReportConfig;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.NumberTickUnit;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.chart.ui.RectangleEdge;
/**
* Class for producing the "Author Activity: Modifying/Adding" chart
* @author jentzsch
* @author Richard Cyganiak (richard@cyganiak.de)
* @version $Id: ModifyAddChartMaker.java,v 1.9 2009/04/25 16:36:20 benoitx Exp $
*/
public class ModifyAddChartMaker {
private static final String CHART_NAME = "activity";
private static final int MODIFYING = 0;
private static final int ADDING = 1;
private final ReportConfig config;
private final Repository repository;
private final int width;
private double[][] categories;
private final ArrayList categoryNames = new ArrayList();
/**
* Creates a new ModifyAddChartMaker
* @param content Repository
* @param width width of the chart in pixels
*/
public ModifyAddChartMaker(final ReportConfig config, final int width) {
this.config = config;
this.repository = config.getRepository();
this.width = width;
}
public ChartImage toFile() {
final Collection authors = this.repository.getAuthors();
final Iterator it = authors.iterator();
while (it.hasNext()) {
final Author author = (Author) it.next();
if (!config.isDeveloper(author)) {
continue;
}
categoryNames.add(author.getRealName());
}
Collections.sort(categoryNames);
categories = new double[2][categoryNames.size()];
for (int j = 0; j < categoryNames.size(); j++) {
categories[MODIFYING][j] = 0;
categories[ADDING][j] = 0;
}
final Iterator commitIt = this.repository.getCommits().iterator();
while (commitIt.hasNext()) {
final Commit commit = (Commit) commitIt.next();
final Set commitRevList = commit.getRevisions();
final Iterator commitRevIt = commitRevList.iterator();
final String authorName = commit.getAuthor().getRealName();
if (authorName == null) {
continue;
}
final int author = categoryNames.indexOf(authorName);
if (author == -1) {
continue;
}
int linesAdded = 0;
int linesRemoved = 0;
while (commitRevIt.hasNext()) {
final Revision revision = (Revision) commitRevIt.next();
if (revision.getLinesDelta() > 0) {
linesAdded += revision.getLinesDelta() + revision.getReplacedLines();
linesRemoved += revision.getReplacedLines();
} else {
linesAdded += revision.getReplacedLines();
linesRemoved += -revision.getLinesDelta() + revision.getReplacedLines();
}
}
if (linesAdded == linesRemoved) {
categories[MODIFYING][author] += linesAdded;
}
if (linesAdded < linesRemoved) {
categories[MODIFYING][author] += linesRemoved;
}
if (linesAdded > linesRemoved) {
categories[ADDING][author] += linesAdded - linesRemoved;
categories[MODIFYING][author] += linesRemoved;
}
}
for (int i = 0; i < categoryNames.size(); i++) {
final double maxLines = categories[MODIFYING][i] + categories[ADDING][i];
for (int k = 0; k < 2; k++) {
categories[k][i] *= (100 / maxLines);
}
}
final DefaultCategoryDataset data = new DefaultCategoryDataset();
for (int i = 0; i < categories[MODIFYING].length; i++) {
data.addValue(categories[MODIFYING][i], "modifying", (Comparable) categoryNames.get(i));
}
for (int j = 0; j < categories[ADDING].length; j++) {
data.addValue(categories[ADDING][j], "adding", (Comparable) categoryNames.get(j));
}
//data.setSeriesName(MODIFYING, "modifying");
//data.setSeriesName(ADDING, "adding");
//data.setCategories(categoryNames.toArray());
final JFreeChart chart = ChartFactory.createStackedBarChart(this.config.getProjectName() + ": " + Messages.getString("AUTHOR_ACTIVITY_TITLE"), "", "%",
data, PlotOrientation.HORIZONTAL, true, false, false);
final CategoryPlot plot = chart.getCategoryPlot();
//plot.setSeriesPaint(new Paint[] { Color.yellow, Color.green });
final CategoryItemRenderer renderer = plot.getRenderer();
renderer.setSeriesPaint(0, Color.yellow);
renderer.setSeriesPaint(1, Color.green);
final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setTickUnit(new NumberTickUnit(20.0, new DecimalFormat("0")));
rangeAxis.setUpperBound(100.0);
chart.getLegend().setPosition(RectangleEdge.TOP);
plot.setBackgroundPaint(ChartConfigUtil.getPlotColor(CHART_NAME));
chart.setBackgroundPaint(ChartConfigUtil.getBackgroundColor(CHART_NAME));
// final XYItemRenderer renderer = plot.getRenderer();
// ChartConfigUtil.configureStroke(CHART_NAME, renderer, data);
// ChartConfigUtil.configureShapes(CHART_NAME, renderer);
ChartConfigUtil.configureCopyrightNotice(CHART_NAME, chart);
ChartConfigUtil.configureChartBackgroungImage(CHART_NAME, chart);
ChartConfigUtil.configurePlotImage(CHART_NAME, chart);
final Dimension dim = ChartConfigUtil.getDimension(CHART_NAME, new Dimension(config.getSmallChartSize().width, 19));
final int totalHeight = dim.height * this.categoryNames.size() + 110;
return this.config.createChartImage(CHART_NAME + ".png", Messages.getString("AUTHOR_ACTIVITY_TITLE"), chart, new Dimension(dim.width, totalHeight));
}
}
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