Hi,
I have read through a lot of posts regarding PDF stamper and have not seen a
post regarding populating fields which contain custom formatting. I am not
sure if I am doing this correctly so some advice or help would be
appreciated:
Background:
Basically I am trying to stamp a field on a pre-existing PDF which contains
form elements. The form element on the PDF contains some simple custom
formatting as follows (JavaScript code) - In the Field properties of the
form field the Custom Format Script is as follows:
if (event.value < 0.0) {
this.getField("sign").value = "-"
} else {
this.getField("sign").value = " "
}
event.value = util.printf("%,0.2f", Math.abs(event.value));
The purpose of this JavaScript is to format a given number as the absolute
value of the number and populate another field with the sign of the number,
for example, “1234.5” would be displayed as “1,234.50” in the main field and
“ “ in the sign field and “-1234.5” should be displayed as “1,234.50” in the
main field and “-“ in the sign field (it’s for a financial based
application).
iText code:
I load and populate the the pre-formatted PDF as follows, the values which
are to be populated are held in a HasMap (called map):
// Create the stamper
PdfStamper stamper = new PdfStamper(copyReader, out);
// Get the fields for stamping
AcroFields form = stamper.getAcroFields();
form.setGenerateAppearances(true);
// For each field in the map
for (String key : map.keySet()) {
// Set the value to the PDF
form.setField(key, map.get(key));
}
// Flatten the form - this means that only the data is
displayed, not the form entry fields
stamper.setFormFlattening(true);
// Close the stamper
stamper.close();
Problem:
When I open the PDF which is created the custom formatting has not been
applied. Example, if I set the field to a value of “-1234.5” the PDF
displays “-1234.5” rather than the formatted values (“1,234.50” and “-“). I
have noticed that this is also the case for other fields which use
“standard” formatting (i.e. not custom formatting). These fields also seem
to show the unformatted value.
Setting the “setFormFlattening(false)” statement displays the values
correctly on the PDF, however, I require the fields to be protected (this is
a read only version of the document, the users are not allowed to update the
information). I have also been able to set the protected flag on the
underlying form field, this does not have any effect on the outcome (i.e.
the formatting has not taken place).
Has anyone else seed this problem? I am currently using iText version 2.0.7,
and viewing the PDFs using Acrobat Reader 8.1
Thanks,
Bino
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