Radio Buttons over multiple pages

["Paulo Soares" <psoares (at) consiste.pt>]

That's not possible to do. The problem is that addAnnotation() must be
called in page 1 with all the kids including the ones from page 2 that
are not yet known.

> -----Original Message-----
> From: itext-questions-admin (at) lists.sourceforge.net 
> [mailto:itext-questions-admin (at) lists.sourceforge.net] On 
> Behalf Of M 501
> Sent: Tuesday, February 07, 2006 3:39 PM
> To: itext-questions (at) lists.sourceforge.net
> Subject: [iText-questions] Radio Buttons over multiple pages
> 
> 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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