iText in Action: Chapter 5: Table, cell, and page events

part1.chapter05.MovieHistory2

If you compile and execute this example, you'll get the following result:

You can download the full source code of MovieHistory2, or read it here:

/*
 * This class is part of the book "iText in Action - 2nd Edition"
 * written by Bruno Lowagie (ISBN: 9781935182610)
 * For more info, go to: http://itextpdf.com/examples/
 * This example only works with the AGPL version of iText.
 */
 
package part1.chapter05;
 
import java.io.FileOutputStream;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Set;
import java.util.TreeSet;
 
import com.lowagie.database.DatabaseConnection;
import com.lowagie.database.HsqldbConnection;
import com.lowagie.filmfestival.Movie;
import com.lowagie.filmfestival.MovieComparator;
import com.lowagie.filmfestival.PojoFactory;
import com.lowagie.filmfestival.PojoToElementFactory;
import com.itextpdf.text.Chapter;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.Section;
import com.itextpdf.text.Font.FontFamily;
import com.itextpdf.text.pdf.ColumnText;
import com.itextpdf.text.pdf.PdfPageEventHelper;
import com.itextpdf.text.pdf.PdfWriter;
 
public class MovieHistory2 {
 
    /** The resulting PDF file. */
    public static final String RESULT
        = "results/part1/chapter05/movie_history2.pdf";
 
    /** Inner class to add a header and a footer. */
    class HeaderFooter extends PdfPageEventHelper {
        /** Alternating phrase for the header. */
        Phrase[] header = new Phrase[2];
        /** Current page number (will be reset for every chapter). */
        int pagenumber;
 
        /**
         * Initialize one of the headers.
         * @see com.itextpdf.text.pdf.PdfPageEventHelper#onOpenDocument(
         *      com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
         */
        public void onOpenDocument(PdfWriter writer, Document document) {
            header[0] = new Phrase("Movie history");
        }
 
        /**
         * Initialize one of the headers, based on the chapter title;
         * reset the page number.
         * @see com.itextpdf.text.pdf.PdfPageEventHelper#onChapter(
         *      com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document, float,
         *      com.itextpdf.text.Paragraph)
         */
        public void onChapter(PdfWriter writer, Document document,
                float paragraphPosition, Paragraph title) {
            header[1] = new Phrase(title.getContent());
            pagenumber = 1;
        }
 
        /**
         * Increase the page number.
         * @see com.itextpdf.text.pdf.PdfPageEventHelper#onStartPage(
         *      com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
         */
        public void onStartPage(PdfWriter writer, Document document) {
            pagenumber++;
        }
 
        /**
         * Adds the header and the footer.
         * @see com.itextpdf.text.pdf.PdfPageEventHelper#onEndPage(
         *      com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
         */
        public void onEndPage(PdfWriter writer, Document document) {
            Rectangle rect = writer.getBoxSize("art");
            switch(writer.getPageNumber() % 2) {
            case 0:
                ColumnText.showTextAligned(writer.getDirectContent(),
                        Element.ALIGN_RIGHT, header[0],
                        rect.getRight(), rect.getTop(), 0);
                break;
            case 1:
                ColumnText.showTextAligned(writer.getDirectContent(),
                        Element.ALIGN_LEFT, header[1],
                        rect.getLeft(), rect.getTop(), 0);
                break;
            }
            ColumnText.showTextAligned(writer.getDirectContent(),
                    Element.ALIGN_CENTER, new Phrase(String.format("page %d", pagenumber)),
                    (rect.getLeft() + rect.getRight()) / 2, rect.getBottom() - 18, 0);
        }
    }
 
    /** The different epochs. */
    public static final String[] EPOCH =
        { "Forties", "Fifties", "Sixties", "Seventies", "Eighties",
    	  "Nineties", "Twenty-first Century" };
    /** The fonts for the title. */
    public static final Font[] FONT = new Font[4];
    static {
        FONT[0] = new Font(FontFamily.HELVETICA, 24);
        FONT[1] = new Font(FontFamily.HELVETICA, 18);
        FONT[2] = new Font(FontFamily.HELVETICA, 14);
        FONT[3] = new Font(FontFamily.HELVETICA, 12, Font.BOLD);
    }
 
    /**
     * Creates a PDF document.
     * @param filename the path to the new PDF document
     * @throws    DocumentException 
     * @throws    IOException
     * @throws    SQLException
     */
    public void createPdf(String filename)
        throws IOException, DocumentException, SQLException {
    	// Create a database connection
        DatabaseConnection connection = new HsqldbConnection("filmfestival");
        // step 1
        Document document = new Document(PageSize.A4, 36, 36, 54, 54);
        // step 2
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(RESULT));
        HeaderFooter event = new HeaderFooter();
        writer.setBoxSize("art", new Rectangle(36, 54, 559, 788));
        writer.setPageEvent(event);
        // step 3
        document.open();
        // step 4
        Set<Movie> movies = 
            new TreeSet<Movie>(new MovieComparator(MovieComparator.BY_YEAR));
        movies.addAll(PojoFactory.getMovies(connection));
        int epoch = -1;
        int currentYear = 0;
        Paragraph title = null;
        Chapter chapter = null;
        Section section = null;
        Section subsection = null;
        for (Movie movie : movies) {
            if (epoch < (movie.getYear() - 1940) / 10) {
                epoch = (movie.getYear() - 1940) / 10;
                if (chapter != null) {
                    document.add(chapter);
                }
                title = new Paragraph(EPOCH[epoch], FONT[0]);
                chapter = new Chapter(title, epoch + 1);
            }
            if (currentYear < movie.getYear()) {
                currentYear = movie.getYear();
                title = new Paragraph(String.format("The year %d", movie.getYear()), FONT[1]);
                section = chapter.addSection(title);
                section.setBookmarkTitle(String.valueOf(movie.getYear()));
                section.setIndentation(30);
                section.setBookmarkOpen(false);
                section.setNumberStyle(Section.NUMBERSTYLE_DOTTED_WITHOUT_FINAL_DOT);
                section.add(new Paragraph(String.format("Movies from the year %d:", movie.getYear())));
            }
            title = new Paragraph(movie.getMovieTitle(), FONT[2]);
            subsection = section.addSection(title);
            subsection.setIndentationLeft(20);
            subsection.setNumberDepth(1);
            subsection.add(new Paragraph("Duration: " + movie.getDuration(), FONT[3]));
            subsection.add(new Paragraph("Director(s):", FONT[3]));
            subsection.add(PojoToElementFactory.getDirectorList(movie));
            subsection.add(new Paragraph("Countries:", FONT[3]));
            subsection.add(PojoToElementFactory.getCountryList(movie));
        }
        document.add(chapter);
        // step 5
        document.close();
        // close the database connection
        connection.close();
    }
 
    /**
     * Main method.
     *
     * @param    args    no arguments needed
     * @throws DocumentException 
     * @throws IOException 
     * @throws SQLException
     */
    public static void main(String[] args)
        throws IOException, DocumentException, SQLException {
        new MovieHistory2().createPdf(RESULT);
    }
}
 
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The MovieHistory2 example is part of the book iText in Action (ISBN 9781935182610).

It's a small standalone application. You can use this example for inspiration, but please read the book if there's something you don't understand about the example. You'll find more info in Chapter 5. Note that this example depends on DatabaseConnection, HsqldbConnection, Movie, PojoFactory, PojoToElementFactory, MovieComparator, and maybe some other examples.

Keywords for this example: Header / footer, Page events, Page numbers, Page events > chapter / section events, Page events > onEndPage, Page events > onOpenDocument, Page events > onStartPage

If you want this example to work, you need the following jars: iText.jar, hsqldb.jar

This example uses the following resources: filmfestival.script.