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Validation scripts

New Here ,
Jan 06, 2023 Jan 06, 2023

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My understanding is that custom validation scripts only run when a field is changed.

 

I am writing a script to validate a date. The script runs only when the field changes (as expected). It is working fine except that it seems to get the value of the field BEFORE the change, not after, and that doesn't do me much good.

 

Obviously I'm missing something. Any help would be appreciated.

 

Jack

 

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correct answers 1 Correct answer

Community Expert , Jan 06, 2023 Jan 06, 2023

The value of the field does not change until after the validation script has been run. So, inside the validation script you cannot use "getField" to get the value of the field on which the validation script is attached. 

Instead, everything about the field that is changing is in the "event" object. 

For example, the newly entered value is in "event.value"

Here's the reference entery:

https://opensource.adobe.com/dc-acrobat-sdk-docs/library/jsapiref/JS_API_AcroJS.html#event-properties

 

 

 

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Community Expert ,
Jan 06, 2023 Jan 06, 2023

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What script does you use?

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New Here ,
Jan 06, 2023 Jan 06, 2023

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f1=getField("Date Business Started - Month")
f2=getField("Date Business Started - Day")
f3=getField("Date Business Started - Year")
day=f2.value
app.alert("Day is: "+day)

 

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Community Expert ,
Jan 06, 2023 Jan 06, 2023

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The value of the field does not change until after the validation script has been run. So, inside the validation script you cannot use "getField" to get the value of the field on which the validation script is attached. 

Instead, everything about the field that is changing is in the "event" object. 

For example, the newly entered value is in "event.value"

Here's the reference entery:

https://opensource.adobe.com/dc-acrobat-sdk-docs/library/jsapiref/JS_API_AcroJS.html#event-propertie...

 

 

 

Thom Parker - Software Developer at PDFScripting
Use the Acrobat JavaScript Reference early and often

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New Here ,
Jan 06, 2023 Jan 06, 2023

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Yes, that makes sense, and it works. I will have to change my approach a bit, but that's a minor problem.

 

Thank you for your assistance.

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