Thread: UPC Help
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Old September 18th, 2019, 12:00 PM
Dan Korn's Avatar
Dan Korn Dan Korn is offline
FusionPro Senior Engineer / Forum Moderator
Join Date: Aug 2008
Location: Chicago, IL
Posts: 4,408
Default Re: UPC Help

Originally Posted by dreimer View Post
I have 18 of these rules so some aren't always populated.
You mean you have fields like Barcode1, Barcode2, etc., all the way through Barcode18, and then 18 rules with those same names?

To me, even with the XML templates, it seems like way too much work to make 18 different rules, and then to go modify all 18 when something changes. In other words, that kind of brute force way of doing things isn't easily maintainable.

Instead, I would do something like this in OnRecordStart:
for (var i = 1; i <= 18; i++)
    var fieldName = "Barcode " + i;
    var data = Field(fieldName);
    var barcode = "";
    if (data)
        data = Right("00000000000" + data, 11); // pad to 11 chars with leading zeros
        barcode = '<span font="IDAutomationUPCEANS">' +
                    TaggedTextFromRaw(MakeUPCABarcode(data)) + '</span>';

    FusionPro.Composition.AddVariable(fieldName, barcode, true);
Now, if something changes, like the names of the fields, or the number of them, or how you want the barcode to be output, all you need to do is change the logic in one place.

All that said, the XML template rule could probably be a bit smarter and do that padding for you; I'll look into that enhancement.
Dan Korn
FusionPro Developer / JavaScript Guru / Forum Moderator
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