public override byte[] Render()
{
byte[] buffer = null;
using (doc = new Document(PageSize.A4))
using (MemoryStream stream = new MemoryStream())
{
writer = PdfWriter.GetInstance(doc, stream);
writer.CloseStream = false;
doc.Open();
dc = writer.DirectContent;
var r = Reports[0];
currentReport = r;
marginTop = r.Margins.Top;
marginBottom = r.Margins.Bottom;
marginLeft = r.Margins.Left;
marginRight = r.Margins.Right;
var tHeader = RenderHeader();
var tFooter = RenderFooter();
dc.AddTemplate(tHeader, 0, -1 * marginTop);
dc.AddTemplate(tFooter, 0, marginBottom);
var bodyHeight = PageHeight - (marginBottom + marginTop + r.Header.Height + r.Footer.Height);
var t = GenerateTable(r.Body.Elements[0] as TableElement);
t.CalculateHeights();
var height = 0f;
var index = 0;
var page = 1;
for (int i = 0; i < t.Rows.Count; i++)
{
var rowHeight = t.GetRowHeight(i);
if (height + rowHeight > bodyHeight)
{
t.WriteSelectedRows(index, i, TranslateLeft(r.Body.Elements[0]), TranslateTop(r.Body.Elements[0]) - marginTop - (page > 1 ? t.GetRowHeight(0) : 0), dc);
index = i;
doc.NewPage();
dc.AddTemplate(tHeader, 0, -1 * marginTop);
dc.AddTemplate(tFooter, 0, marginBottom);
t.WriteSelectedRows(0, 1, TranslateLeft(r.Body.Elements[0]), TranslateTop(r.Body.Elements[0]) - marginTop, dc);
height = t.GetRowHeight(0);
page++;
}
else
height += rowHeight;
}
t.WriteSelectedRows(index, t.Rows.Count, TranslateLeft(r.Body.Elements[0]), TranslateTop(r.Body.Elements[0]) - marginTop - (page > 1 ? t.GetRowHeight(0) : 0), dc);
doc.Close();
buffer = stream.GetBuffer();
}
return buffer;
}
public ReportSection(Report report)
{
Report = report;
Elements = new ElementCollection(this);
}