Radio Buttons over multiple pages

["M 501" <mope501 (at) hotmail.com>]

Hello,

I try to generate acro forms dynamically.

I added a table with a PdfPCellEvent - Class. However, the problem is that 
when I try to create radio buttons that are split over multiple pages but 
belong to one radio group there is something wrong.

For example if I have 3 radio buttons where the first two are on page one 
and the third one is on page two then only the first two get printed but not 
the third one.
In addition the first two buttons are also printed on the second page, on 
the same position as they are on page one. This two seem to be a duplicate 
of the first two buttons because if I change their size with adobe acrobat 
also the size of the first two buttons changes.

So my result looks like this:

 page 1
|--------------|
|
|
| () radiobutton label 1 [1]
| () radiobutton label 2
|--------------|


 page 2
|--------------|
|  radiobutton label 3   [2]
|
| () [3]
| ()
|--------------|

[1] the first two are printed correctly
[2] the third radio button is not printed
[3] the first two radio buttons are printed again on page 2

My code where I create the radio buttons looks like this: (It gets called 3 
times, which is correct). I use a map called generatedRadioGroups to store 
the radio groups which already have been created.

public void cellLayout(PdfPCell cell, Rectangle position,
			PdfContentByte[] canvases) {

		System.out.println("filling radio element:: " + fieldName);

		RadioCheckField radio = getRadioButton(writer, style, position,
				checktype);

		PdfFormField top = (PdfFormField) generatedRadioGroups.get(fieldName);

		if (top == null) {
			top = radio.getRadioGroup(false, false);
			generatedRadioGroups.put(fieldName, top);
		}

		PdfFormField radioButton;
		try {

			radio.setFieldName(id);

			if (((Boolean) style.get("hidden")).booleanValue()) {
				radio.setOptions(TextField.HIDDEN);
			}

			radioButton = radio.getRadioField();
			top.addKid(radioButton);
			writer.addAnnotation(top);
		} catch (IOException e) {
			e.printStackTrace();
		} catch (DocumentException e) {
			e.printStackTrace();
		}

	}




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