Hi Paulo,
i've tried your last tip for multiple field-annotations on
different page (with function setPlaceInPage()) and it works in
general, but it seems I found a bug.
If you want to populate a PDF with fields and kids of these fields
on different pages, you get a problem if there's a page in the PDF
without any fields.
The code below produces an invalid PDF, though I can't tell why
it is illegal. For me, the object-relations look quite sensible.
But if you click or tab in the field on the third page, Acrobat
Reader 5 complains about incorrect links, Acrobat Reader 6
doesn't seem to have a problem.
Do you have any ideas?
Best regards,
Peter
BTW: Is there a tool for checking the validity of PDF-files?
Acrobat's error messages are not very informative!
public class FieldsonPages
{
public static void main(String[] args)
{
String strOutPDF = "c:/temp/with_fields.pdf";
System.out.println("Testing fields on different pages");
Document doc = new Document();
try
{
PdfFormField aFormField = null;
PdfFormField bFormField = null;
PdfFormField aSecondKid = null;
PdfFormField aFirstKid = null;
float fontSize = 12;
Color textColor = new GrayColor(0f);
BaseFont helv = BaseFont.createFont("Helvetica", "winansi",
false);
PdfWriter aWriter = PdfWriter.getInstance(doc,
new FileOutputStream(strOutPDF));
doc.open();
PdfContentByte cb = aWriter.getDirectContent();
doc.add(new Paragraph("Page 1"));
aFormField = PdfFormField.createTextField(aWriter, false,
false, 100);
aFormField.setFieldName("aTextField");
aFirstKid = PdfFormField.createTextField(aWriter, false,
false, 100);
aFirstKid.setWidget(new Rectangle(171, 750, 342, 769),
PdfAnnotation.HIGHLIGHT_INVERT);
aFormField.addKid(aFirstKid);
aSecondKid = PdfFormField.createTextField(aWriter, false,
false, 100);
aSecondKid.setWidget(new Rectangle(171, 650, 342, 669),
PdfAnnotation.HIGHLIGHT_INVERT);
aFormField.addKid(aSecondKid);
aSecondKid.setPlaceInPage(3);
aWriter.addAnnotation(aFormField);
doc.newPage();
doc.add(new Paragraph("Page 2"));
doc.newPage();
doc.add(new Paragraph("Page 3"));
doc.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("finished.");
}
> PdfAnnotation.setPlaceInPage()
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