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Subject: Re: How do you create a Radio Button Group with PDFBox 2.0?
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From: Tilman Hausherr <THausherr@t-online.de>
Message-ID: <56A09CF3.4070706@t-online.de>
Date: Thu, 21 Jan 2016 09:55:15 +0100
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Am 21.01.2016 um 09:41 schrieb Adam Steen:
> I am now able to create a radio button group with "pdAcroForm.setNeedAppearances(true);", acrobat rendering things nicely for me.
>
> I am also able to create a group of checkboxes with default values also with "pdAcroForm.setNeedAppearances(true);", again acrobat rendering things nicely for me.
>
> My last hurdle is to create a radio button group with "pdAcroForm.setNeedAppearances(true);" and have a default value (or value) be displayed.
>
> Using your code provided earlier Tilman, I was able to set a value or a default value, but acrobat just does not want to render it.
>
> Is " pdAcroForm.setNeedAppearances(true);" a hack? Should I be rendering everything myself?

Yes, it is a bit of a hack. Good applications should create their own 
appearance streams. In PDF 2.0 it will be mandatory.

>
> Adam
>
> -----Original Message-----
> From: Tilman Hausherr [mailto:THausherr@t-online.de]
> Sent: Thursday, 21 January 2016 4:29 PM
> To: users@pdfbox.apache.org
> Subject: Re: How do you create a Radio Button Group with PDFBox 2.0?
>
> Am 21.01.2016 um 06:51 schrieb Adam Steen:
>> It seems without building an appearance I am unable to set a default value?
> Indeed. I've been there too and looked through the code.
>
> Tilman
>
>> Does anyone have any ideas?
>>
>> Adam
>>
>>
>> -----Original Message-----
>> From: Adam Steen [mailto:adams@rmt.com.au]
>> Sent: Thursday, 21 January 2016 8:26 AM
>> To: users@pdfbox.apache.org
>> Subject: RE: How do you create a Radio Button Group with PDFBox 2.0?
>>
>> Hi
>>
>> I did manage to get a Radio Group functioning, I have posted the code to my question on stack overflow -> http://stackoverflow.com/a/34895158/415681
>>
>> The next problem will be getting a default value set.
>>
>> Adam
>>
>> -----Original Message-----
>> From: Tilman Hausherr [mailto:THausherr@t-online.de]
>> Sent: Wednesday, 20 January 2016 5:47 PM
>> To: users@pdfbox.apache.org
>> Subject: Re: How do you create a Radio Button Group with PDFBox 2.0?
>>
>> Here's the code I did yesterday:
>> http://justpaste.it/CreateRadioButtons
>>
>> The problem is that Adobe does things on its own even if the appearance streams are set. This seems to be related to the appearance characteristics (/MK). I haven't been able to teach it to "do nothing", or "do it all" when I do nothing (having empty streams).
>>
>> Tilman
>>
>>
>>
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