Hi, I didn’t check your example, but I remember that JScode did only work if there’s also a JSpreamble. Also the "used now" keyword (see Hans’ message) is essential.
HTH. Sorry, no time for further investigation. Hraban > Am 2019-11-17 um 21:13 schrieb Paul Mazaitis <p...@andrew.cmu.edu>: > > > Hi everyone, > > First: apologies for the long email; this got a little complicated. > > Summary: there may be a bug in setting up calculate field for widgets? > > Parts: > > - calculator.tex > - A M(N)WE > - The MWE Only Sort of Works > > # calculator.tex > > On 13 Nov 2019, at 10:26, Pablo Rodriguez wrote: > >> Hi Paul, > >> I wonder whether >> tex/texmf-context/doc/context/examples/calculator/calculator.tex from >> the ConTeXt Suite might be what you look for. >> >> Just in case it helps, > > It does (and is quite something!); it's not quite what I need, though. I'd > like to take advantage of the internal _calculate_ event when a field updates > - the calculator.tex PDF appears to be entirely programmatically event driven? > > (Which could certainly work for my application, but I want to try to keep > this as simple for the user as possible.) > >> Pablo > > # A M(N)WE > > Here's a Minimal Working Example, with some caveats: > > --- begin MWE --- > > \usemodule[fields] > > \starttext > > \setupinteraction [state=start] > > \startJScode{tallyUp} > var a_fld = this.getField("A"); > var b_fld = this.getField("B"); > event.value = a_fld.value + b_fld.value; > \stopJScode > > \setupfield[numField][reset,horizontal] > [height=2pc,rulethickness=1pt,framecolor=lightgrey] > > \setupfield[totalField][reset,horizontal] > [ > height=2pc, > rulethickness=1pt, > framecolor=lightgrey, > option=readonly, > calculate=JS(tallyUp), > ] > > \definefield[A][line][numField][] > \definefield[B][line][numField][] > > \definefield[Total][line][totalField][] > > A: \field[A] > > B: \field[B] > > \blank[big] > > Total: \field[Total] > > \stoptext > > --- end MWE --- ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________