public FileAttachment GenerateCustomPrepopulatedForm(string formCode, IFormContentProvider prePop)
{
string fileName;
byte[] bytes;
GeneratePrePopulatedForm(formCode, out fileName, out bytes);
bytes = SetFields(bytes, prePop);
return(new FileAttachment(bytes, fileName, FormDefinition.pdfMimeType)
{
DispositionType = "inline"
});
}
public static byte[] SetFields(byte[] pdfFile, IFormContentProvider contentProvider)
{
var pr = new PdfReader(pdfFile);
var ims = new MemoryStream();
var ps = new PdfStamper(pr, ims);
AcroFields flds = ps.AcroFields;
foreach (DictionaryEntry entry in flds.Fields)
{
string fieldName = entry.Key.ToString();
var type = (FieldTypes)flds.GetFieldType(fieldName);
switch (type)
{
case FieldTypes.Text:
string value = null;
string display = null;
contentProvider.PopulateTextField(fieldName, out value, out display);
if (value != null)
{
flds.SetField(fieldName, value);
}
break;
case FieldTypes.List:
string[] exportValues = null;
string[] displayValues = null;
string[] selected = null;
contentProvider.PopulateListField(fieldName, out exportValues, out displayValues, out selected);
if (exportValues != null)
{
flds.SetListOption(fieldName, exportValues, displayValues);
}
if (selected != null)
{
flds.SetListSelection(fieldName, selected);
}
break;
default:
break;
}
}
ps.Close();
return(ims.ToArray());
}
private void GeneratePrePopulatedForm(string formCode, out string fileName, out byte[] bytes)
{
var formDef = FormRepository.FindFormDefinitionByCode(formCode);
if (formDef == null)
{
throw new DomainException("No Form Definition exists for code: " + formCode);
}
fileName = formDef.FileName;
bytes = formDef.FormContent;
if (bytes == null)
{
throw new DomainException("Form Definition has no file content");
}
if (formDef.PrePopulator != null)
{
IFormContentProvider prepop = (IFormContentProvider)Container.NewTransientInstance(formDef.PrePopulatorType());
bytes = SetFields(bytes, prepop);
}
}
