/// <summary>Sets the name indicating the field to be signed.</summary>
/// <remarks>
/// Sets the name indicating the field to be signed. The field can already be presented in the
/// document but shall not be signed. If the field is not presented in the document, it will be created.
/// </remarks>
/// <param name="fieldName">The name indicating the field to be signed.</param>
public virtual void SetFieldName(String fieldName)
{
if (fieldName != null)
{
if (fieldName.IndexOf('.') >= 0)
{
throw new ArgumentException(PdfException.FieldNamesCannotContainADot);
}
PdfAcroForm acroForm = PdfAcroForm.GetAcroForm(document, true);
if (acroForm.GetField(fieldName) != null)
{
PdfFormField field = acroForm.GetField(fieldName);
if (!PdfName.Sig.Equals(field.GetFormType()))
{
throw new ArgumentException(PdfException.FieldTypeIsNotASignatureFieldType);
}
if (field.GetValue() != null)
{
throw new ArgumentException(PdfException.FieldAlreadySigned);
}
appearance.SetFieldName(fieldName);
IList <PdfWidgetAnnotation> widgets = field.GetWidgets();
if (widgets.Count > 0)
{
PdfWidgetAnnotation widget = widgets[0];
appearance.SetPageRect(GetWidgetRectangle(widget));
appearance.SetPageNumber(GetWidgetPageNumber(widget));
}
}
this.fieldName = fieldName;
}
}
private PdfFormField MergeFieldsWithTheSameName(PdfFormField existingField, PdfFormField newField)
{
String fieldName = newField.GetFieldName().ToUnicodeString();
existingField.GetPdfObject().Remove(PdfName.T);
PdfFormField mergedField = formTo.GetField(fieldName);
PdfArray kids = mergedField.GetKids();
if (kids != null && !kids.IsEmpty())
{
mergedField.AddKid(existingField);
return(mergedField);
}
newField.GetPdfObject().Remove(PdfName.T);
mergedField = PdfFormField.CreateEmptyField(documentTo);
formTo.GetFields().Remove(newField.GetPdfObject());
mergedField.Put(PdfName.FT, existingField.GetFormType()).Put(PdfName.T, new PdfString(fieldName));
PdfDictionary parent = existingField.GetParent();
if (parent != null)
{
mergedField.Put(PdfName.Parent, parent);
}
kids = existingField.GetKids();
if (kids != null)
{
mergedField.Put(PdfName.Kids, kids);
}
mergedField.AddKid(existingField).AddKid(newField);
return(mergedField);
}
private PdfFormField MergeFieldsWithTheSameName(PdfFormField existingField, PdfFormField newField)
{
String fullFieldName = newField.GetFieldName().ToUnicodeString();
PdfString fieldName = newField.GetPdfObject().GetAsString(PdfName.T);
newField.GetPdfObject().Remove(PdfName.T);
newField.GetPdfObject().Remove(PdfName.P);
existingField = formTo.GetField(fullFieldName);
PdfArray kids = existingField.GetKids();
if (kids != null && !kids.IsEmpty())
{
existingField.AddKid(newField);
return(existingField);
}
existingField.GetPdfObject().Remove(PdfName.T);
existingField.GetPdfObject().Remove(PdfName.P);
formTo.GetFields().Remove(existingField.GetPdfObject());
PdfFormField mergedField = PdfFormField.CreateEmptyField(documentTo);
mergedField.Put(PdfName.FT, existingField.GetFormType()).Put(PdfName.T, fieldName);
PdfDictionary parent = existingField.GetParent();
if (parent != null)
{
mergedField.Put(PdfName.Parent, parent);
PdfArray parentKids = parent.GetAsArray(PdfName.Kids);
for (int i = 0; i < parentKids.Size(); i++)
{
PdfObject obj = parentKids.Get(i);
if (obj == existingField.GetPdfObject())
{
parentKids.Set(i, mergedField.GetPdfObject());
break;
}
}
}
kids = existingField.GetKids();
if (kids != null)
{
mergedField.Put(PdfName.Kids, kids);
}
mergedField.AddKid(existingField).AddKid(newField);
PdfObject value = existingField.GetValue();
if (value != null)
{
mergedField.Put(PdfName.V, existingField.GetPdfObject().Get(PdfName.V));
}
return(mergedField);
}
private PdfFormField MergeFieldsWithTheSameName(PdfFormField newField)
{
String fullFieldName = newField.GetFieldName().ToUnicodeString();
PdfString fieldName = newField.GetPdfObject().GetAsString(PdfName.T);
logger.Warn(MessageFormatUtil.Format(iText.IO.LogMessageConstant.DOCUMENT_ALREADY_HAS_FIELD, fullFieldName
));
PdfFormField existingField = formTo.GetField(fullFieldName);
if (existingField.IsFlushed())
{
int index = 0;
do
{
index++;
newField.SetFieldName(fieldName.ToUnicodeString() + "_#" + index);
fullFieldName = newField.GetFieldName().ToUnicodeString();
}while (formTo.GetField(fullFieldName) != null);
return(newField);
}
newField.GetPdfObject().Remove(PdfName.T);
newField.GetPdfObject().Remove(PdfName.P);
formTo.GetFields().Remove(existingField.GetPdfObject());
PdfArray kids = existingField.GetKids();
if (kids != null && !kids.IsEmpty())
{
existingField.AddKid(newField);
return(existingField);
}
existingField.GetPdfObject().Remove(PdfName.T);
existingField.GetPdfObject().Remove(PdfName.P);
PdfFormField mergedField = PdfFormField.CreateEmptyField(documentTo);
mergedField.Put(PdfName.FT, existingField.GetFormType()).Put(PdfName.T, fieldName);
PdfDictionary parent = existingField.GetParent();
if (parent != null)
{
mergedField.Put(PdfName.Parent, parent);
PdfArray parentKids = parent.GetAsArray(PdfName.Kids);
for (int i = 0; i < parentKids.Size(); i++)
{
PdfObject obj = parentKids.Get(i);
if (obj == existingField.GetPdfObject())
{
parentKids.Set(i, mergedField.GetPdfObject());
break;
}
}
}
kids = existingField.GetKids();
if (kids != null)
{
mergedField.Put(PdfName.Kids, kids);
}
mergedField.AddKid(existingField).AddKid(newField);
PdfObject value = existingField.GetPdfObject().Get(PdfName.V);
if (value != null)
{
mergedField.Put(PdfName.V, existingField.GetPdfObject().Get(PdfName.V));
}
return(mergedField);
}