public static PdfPTable DefineGridHeaderColumns(this PdfPTable @this, CellColumns cellsParams, params string[] columns)
{
if (columns.Length <= 0)
{
return(@this);
}
if (cellsParams == null)
{
cellsParams = new CellColumns();
}
var cells = new PdfPCell[columns.Length];
for (int i = 0; i < columns.Length; i++)
{
cells[i] = new PdfPCell(new Paragraph(columns[i], Fonts.Bold09))
{
HorizontalAlignment = cellsParams.HorizontalAlignment,
VerticalAlignment = cellsParams.VerticalAlignment,
BackgroundColor = cellsParams.BackgroundColor
};
}
@this.AddCells(cells);
return(@this);
}
/// <inheritdoc />
/// <summary>
/// Generates output in Portable Document Format [ pdf ].
/// </summary>
protected override void Execute()
{
using (var stream = new MemoryStream())
{
using (var document = new Document())
{
#region initialize
var fields = Table.Fields;
#endregion
#region get input data
var rows = Service.RawDataFiltered;
#endregion
#region add data
var cells = new Collection <PdfPCell>();
var fieldsTable = new Dictionary <BaseDataFieldModel, int>();
foreach (var row in rows)
{
foreach (var field in fields)
{
field.DataSource = row;
var value = field.Value.GetValue(Provider.SpecialChars);
var valueLenght = value.FormattedValue.Length;
if (!fieldsTable.ContainsKey(field))
{
fieldsTable.Add(field, valueLenght);
}
else
{
var entry = fieldsTable[field];
if (valueLenght > entry)
{
fieldsTable[field] = valueLenght;
}
}
cells.Add(PdfHelper.CreateCell(value));
}
}
#endregion
#region create pdf document, sets document orientation and create an empty table
var writer = PdfWriter.GetInstance(document, stream);
var hostDocument = Host.Document;
var pageSize = hostDocument.Size.ToPageSize();
if (hostDocument.Orientation == KnownDocumentOrientation.Landscape)
{
pageSize = pageSize.Rotate();
}
document.SetPageSize(pageSize);
document.SetMarginsFromModel(hostDocument.Margins);
var table = new PdfPTable(fields.Count);
table.SetHorizontalLocationFrom(Table.Location);
#endregion
#region autofitcolumns?
table.AutoFitColumns(fieldsTable, this);
#endregion
#region assign class to handle document events
writer.PageEvent = new PdfPageEvent(this, table, rows);
#endregion
#region opens document
document.Open();
#endregion
#region add cells to table
table.AddCells(cells);
#endregion
#region add bottom aggregate
table.AddAggregateByLocation(Table, rows, Provider.SpecialChars.ToArray(), KnownAggregateLocation.Bottom);
#endregion
#region add table to document
document.Add(table);
#endregion
}
#region save
Result.Add(stream.ToArray());
#endregion
}
}