private static PdfPTable GenerateTableOfContents(PdfEvents tocEvent, PdfStamper stamper, int tocSize)
{
var tableOfContents = new PdfPTable(2);
tableOfContents.SetWidths(new[] { 10, 1 });
tableOfContents.WidthPercentage = 100;
tableOfContents.DefaultCell.Border = Rectangle.NO_BORDER;
foreach (var item in tocEvent.Toc)
{
tableOfContents.DefaultCell.HorizontalAlignment = Element.ALIGN_LEFT;
tableOfContents.DefaultCell.PaddingLeft = 10 * (item.Level - 1);
Font font;
if (item.Level == 0)
{
tableOfContents.DefaultCell.PaddingBottom = 10;
tableOfContents.DefaultCell.PaddingTop = 10;
font = PdfFonts.Bold;
}
else
{
tableOfContents.DefaultCell.PaddingBottom = 2;
tableOfContents.DefaultCell.PaddingTop = 2;
font = PdfFonts.Normal;
}
var chunk = new Chunk(item.Title, font);
var action = PdfAction.GotoLocalPage(item.Page, new PdfDestination(PdfDestination.FIT), stamper.Writer);
chunk.SetAction(action);
tableOfContents.AddCell(new Phrase(chunk));
tableOfContents.DefaultCell.PaddingLeft = 0;
tableOfContents.DefaultCell.HorizontalAlignment = Element.ALIGN_RIGHT;
chunk = new Chunk(string.Format("{0}", item.Page + tocSize), font);
tableOfContents.AddCell(new Phrase(chunk));
}
return(tableOfContents);
}
public Stream GetPdf()
{
var document = CreateDefaultDocument();
var tocDocument = CreateDefaultDocument();
var stream = new MemoryStream();
_pdfWriter = PdfWriter.GetInstance(document, stream);
_pdfWriter.SetLinearPageMode();
var tocStream = new MemoryStream();
var tocWriter = PdfWriter.GetInstance(tocDocument, tocStream);
tocWriter.SetLinearPageMode();
var tocEvent = new PdfEvents(tocDocument, RootDirectory);
_pdfWriter.PageEvent = tocEvent;
_pdfWriter.StrictImageSequence = true;
document.Open();
tocDocument.Open();
AddMetaData(document);
AddChapters(document);
document.Close();
var fontFooter = PdfFonts.Small;
var footer = new Phrase(string.Format("{0}: {1}", Documentation.Project.ProjectNumber, Documentation.Name), fontFooter);
var pdfReader = new PdfReader(stream.ToArray());
stream = new MemoryStream();
var stamper = new PdfStamper(pdfReader, stream);
var tableOfContents = GenerateTableOfContents(tocEvent, stamper, 0);
tocDocument.Add(tableOfContents);
tocDocument.Close();
var tocReader = new PdfReader(tocStream.ToArray());
var tocSize = tocReader.NumberOfPages;
var toc = new ColumnText(null);
var frontPage = new ColumnText(null);
var hasFrontPage = Documentation.DocumentationChapters.Any(dc => dc.Chapter is GeneratedChapter && dc.Chapter.Name == "Forside");
tableOfContents = GenerateTableOfContents(tocEvent, stamper, tocSize + (hasFrontPage ? 2 : 0));
toc.AddElement(tableOfContents);
var page = stamper.GetImportedPage(pdfReader, 1);
int currentPage = 0;
while (true)
{
stamper.InsertPage(++currentPage, pdfReader.GetPageSize(1));
stamper.GetUnderContent(currentPage).AddTemplate(page, 0, 0);
toc.Canvas = stamper.GetOverContent(currentPage);
toc.SetSimpleColumn(60, 72, PageSize.A4.Width - 60, PageSize.A4.Height - 72);
if (!ColumnText.HasMoreText(toc.Go()))
{
break;
}
}
if (hasFrontPage)
{
frontPage.AddElement(new FrontPageBuilder(Documentation, RootDirectory).GetContent());
page = stamper.GetImportedPage(pdfReader, 1);
currentPage = 0;
while (true)
{
stamper.InsertPage(++currentPage, pdfReader.GetPageSize(1));
stamper.GetUnderContent(currentPage).AddTemplate(page, 0, 0);
frontPage.Canvas = stamper.GetOverContent(currentPage);
frontPage.SetSimpleColumn(60, 72, PageSize.A4.Width - 60, PageSize.A4.Height - 72);
if (!ColumnText.HasMoreText(frontPage.Go()))
{
break;
}
}
stamper.InsertPage(++currentPage, pdfReader.GetPageSize(1));
stamper.GetUnderContent(currentPage).AddTemplate(page, 0, 0);
}
int totalPages = pdfReader.NumberOfPages;
for (int i = 3; i <= totalPages; ++i)
{
var canvas = stamper.GetOverContent(i);
var table = new PdfPTable(2);
var rotation = stamper.Reader.GetPageRotation(i);
table.SetWidths(new[] { 10, 1 });
table.TotalWidth = (rotation == 0 ? PageSize.A4.Width : PageSize.A4.Height) - 130;
table.DefaultCell.Border = Rectangle.NO_BORDER;
table.DefaultCell.FixedHeight = 20;
table.DefaultCell.HorizontalAlignment = Element.ALIGN_LEFT;
table.AddCell(footer);
table.DefaultCell.HorizontalAlignment = Element.ALIGN_RIGHT;
table.AddCell(new Phrase(i.ToString(CultureInfo.InvariantCulture), fontFooter));
table.WriteSelectedRows(0, -1, 0, -1, 60, 40, canvas);
}
stamper.Close();
var outStream = new MemoryStream(stream.ToArray());
return(outStream);
}
