/*
 * 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.
 */
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using iTextSharp.text;
using iTextSharp.text.pdf;
using kuujinbo.iTextInAction2Ed.Intro_1_2;
using kuujinbo.iTextInAction2Ed.Chapter02;

namespace kuujinbo.iTextInAction2Ed.Chapter03 {
  public class ColumnMovies2 : IWriter {
// ===========================================================================
    /** Definition of two columns */
    public readonly float[,] COLUMNS = new float[,]  {
      { 40, 36, 219, 579 } , { 234, 36, 414, 579 },
      { 428, 36, 608, 579 } , { 622, 36, 802, 579 }
    };
// ---------------------------------------------------------------------------
    public void Write(Stream stream) {
      // step 1
      using (Document document = new Document(PageSize.A4.Rotate())) {
        // step 2
        PdfWriter writer = PdfWriter.GetInstance(document, stream);
        // step 3
        document.Open();
        // step 4
        ColumnText ct = new ColumnText(writer.DirectContent);
        int column = 0;
        ct.SetSimpleColumn(
          COLUMNS[column,0], COLUMNS[column,1],
          COLUMNS[column,2], COLUMNS[column,3]
        );
        // iText-ONLY, 'Initial value of the status' => 0
        // iTextSharp **DOES NOT** include this member variable
        // int status = ColumnText.START_COLUMN;
        int status = 0;
        float y;
        IEnumerable<Movie> movies = PojoFactory.GetMovies();
        foreach (Movie movie in movies) {
          y = ct.YLine;
          AddContent(ct, movie);
          status = ct.Go(true);
          if (ColumnText.HasMoreText(status)) {
            column = (column + 1) % 4;
            if (column == 0) {
              document.NewPage();
            }
            ct.SetSimpleColumn(
              COLUMNS[column, 0], COLUMNS[column, 1],
              COLUMNS[column, 2], COLUMNS[column, 3]
            );
            y = COLUMNS[column, 3];
          }
          ct.YLine = y;
          ct.SetText(null);
          AddContent(ct, movie);
          status = ct.Go();
        }
      }
    }
// ---------------------------------------------------------------------------    
    /**
     * Add content to a ColumnText object.
     * @param ct the ColumnText object
     * @param movie a Movie object
     * @param img the poster of the image
     */
    public void AddContent(ColumnText ct, Movie movie) {
      Paragraph p;
      p = new Paragraph(new Paragraph(movie.Title, FilmFonts.BOLD));
      p.Alignment = Element.ALIGN_CENTER;
      p.SpacingBefore = 16;
      ct.AddElement(p);
      if (!string.IsNullOrEmpty(movie.OriginalTitle)) {
        p = new Paragraph(movie.OriginalTitle, FilmFonts.ITALIC);
        p.Alignment = Element.ALIGN_RIGHT;
        ct.AddElement(p);
      }
      p = new Paragraph();
      p.Add(PojoToElementFactory.GetYearPhrase(movie));
      p.Add(" ");
      p.Add(PojoToElementFactory.GetDurationPhrase(movie));
      p.Alignment = Element.ALIGN_JUSTIFIED_ALL;
      ct.AddElement(p);
      p = new Paragraph(new Chunk(new StarSeparator()));
      p.SpacingAfter = 12;
      ct.AddElement(p);
  }    
// ===========================================================================
  }
}