CONDITIONAL CHECKBOX JAVASCRIPT CODE ON PDF FORM

[teresacsrocha]

hello there!

i am a Graphic Designer and NO NOTHING (JON SNOW) about javascript.

I am designing an application form and I want for the checkbox to turn "checked" IF the button "attach file" next to it have a file attached. I did find a javascript code to attach the file and it is working fine on the form, however it doesn't make the field required, which would be very important so people don't send incomplete applications (so there is that too...). And to make it easier for the applicant, since they will have to attach around 6 different files on each form, I would like to add a checkbox next to each "attach file" button so it indicates the user have already attached that file.  So in my mind it is a conditioned checkbox that conditions the checkbox to the button. If the user does not attach the file, checkbox keeps blank. So... Is it possible to do this and how do I do this/find the code for it? Thanks in advance. Any help is welcome!!

[try67]

This is quite tricky to implement, and using a check-box is not a good option because they are not validated when the file is submitted, even if set as Required, but it can be done using a text field, for example.

[JR Boulay]

It would be easier to reverse the functionality: show the "Attach file" button when the user click on the checkbox.

Regarding the rest I have already answered your question here:

https://community.adobe.com/t5/acrobat/attach-file-button-required-field/td-p/11999424

[teresacsrocha]

Thank you! But how do I do this? And if the person check the checkbox and the attach file button show up, how do i know if the person has attached the file or not?

[JR Boulay]

I don't know, but other experts certainly know