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https://issues.apache.org/jira/browse/PDFBOX-5113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17293627#comment-17293627
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Michael Klink commented on PDFBOX-5113:
---------------------------------------
As the JavaScript is executed by the PDF viewer (if at all), it makes hardly
sense to declare this a PDFBox bug.
Nonetheless, the event is specified as
{panel:title=Adobe Acrobat SDK JavaScript™ for Acrobat® API Reference}
h3. Field/Validate
Regardless of the field type, user interaction with a field may produce a new
value for that field. After the user has either
clicked outside a field, tabbed to another field, or pressed the enter key, the
user is said to have _committed_ the new data
value.
This event is the first event generated for a field after the value has been
committed so that a JavaScript can verify that
the value entered was correct. If the validate event is successful, the next
event triggered is the {{calculate}} event.
The {{target}} for this event is the field whose validation script is being
executed. This event also defines the {{change}},
{{changeEx}}, {{keyDown}}, {{modifier}}, {{shift}}, {{targetName}}, and
{{value}} properties.
{panel}
Thus, it sounds reasonable that this early in the event processing
{{event.target.value}} still has the old value. Have you checked whether
{{event.value}} holds the new value?
> Cannot retrieve new value on javascript by setv()
> -------------------------------------------------
>
> Key: PDFBOX-5113
> URL: https://issues.apache.org/jira/browse/PDFBOX-5113
> Project: PDFBox
> Issue Type: Bug
> Components: AcroForm
> Affects Versions: 2.0.22
> Reporter: Henry Siu
> Priority: Major
>
> I have tried the following code:
> PDFormFieldAdditionalActions a = new PDFormFieldAdditionalActions();
> a.setV(new PDActionJavaScript("app.alert(\{cMsg: event.target.value, nType:
> 2, nIcon: 2});"));
> r.setActions(a);
> Which r is PDRadioButton.
> I find that event.target.value return the old value instead of the new value
> after change. Is it any reason or is there any way to get the new value?
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