Show data from related post/term after selection - Meta Box

This topic has 2 replies, 2 voices, and was last updated 5 years, 4 months ago by brandonjp.

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October 9, 2019 at 4:32 AM #16442

brandonjp
Participant

I'm trying to create a display on an Admin Edit Post form that will show meta from a relational field after the related post/term is selected.

Is there a built-in way to do this?

If not, Any tips on creating this? (I'm guessing I'll use JS to make a custom request to get the data and populate a Custom HTML MB field)

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October 10, 2019 at 2:45 PM #16457

Anh Tran
Keymaster

Hi,

Do you mean showing the data dynamically, based on the user selection of related posts/terms? If yes, then I think you'll have to do that your way with JS + custom HTML field.

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October 15, 2019 at 3:04 AM #16518

brandonjp
Participant

I ended up accomplishing this using a Custom HTML field & a little PHP and JS.

If anyone else ends up needing direction on this, here are a few links. This is not a drop-in solution for you but hopefully helps get you started.

PHP to handle an incoming AJAX request for term metadata & return JSON:
https://gist.github.com/21fed6266453de7ba76b3d2bc0e5a06f

JS to fetch the taxonomy term metadata and place it into the page:
https://gist.github.com/3b636d0c7e55ce6dc58ceba3de9a974e

Add Custom HTML field with html to support the incoming term metadata (I also give it a custom class):

After selecting a taxonomy it populates the Custom HTML like so:

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