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From: Hans Hagen <pragma@wxs.nl>
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Subject: Re: References with forms
Date: Thu, 04 Feb 1999 12:22:23 +0100
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Gilbert van den Dobbelsteen wrote:

> I am having trouble with fields and references. I want to do this:
> 
>   \definefield[test] [..... the usual blabla]
> 
>   \setupfield[test][clickin=PrintDocument]
> 
>   \field[test]
> 
> But context complains:
> 
>   Unknown reference PrintDocument
> 
> Why? PrintDocument can normally be used:
> 
>   \goto{Print this lovely document}[PrintDocument]
> 
> and the docu says that `clickin' expects a reference (like JS(printit) or
> something like that). O yeah, the javascript stuff works fine, but the
> finally generated document **must** be compatible with the old forms
> plug-in.

The clickin etc keys concern events, so it must be something JavaScript
and not some named action. So, you have to use javascripts here.  

You can take a look at java-fil.tex, which shows you how to print only
the current page or a page range.  That file also shows you some tricks,
like logical references (you can change the meaning halfway a document)
and the feature that context automatically picks up function definitions
from preambles. Saves some typing. 

> Note: I do not wish to use the \goto syntax, because the \field stuff allows
> me to put a field *out-side* my page border which is visible (though the
> ConTeXt generated text and graphics is clipped away).

(I'm not sure what you mean, but beware of tricky undocumented pdf
things.) 

Hans

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                                          Hans Hagen | PRAGMA ADE
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