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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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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:
/** // ------------------------- // Fetch Taxonomy Term & Meta // ------------------------- // GOAL: When a user selects a taxonomy term (from a MetaBox.io field) this helps fetch // the term & it's metadata and returns JSON so the JS can load it into a Custom HTML block // ------------------------- // FORUM - https://metabox.io/support/topic/show-data-from-related-post-term-after-selection/ // PHP - https://gist.github.com/21fed6266453de7ba76b3d2bc0e5a06f // JS - https://gist.github.com/3b636d0c7e55ce6dc58ceba3de9a974e // ------------------------- **/ // Gets meta data for a term and returns JSON function get_json_term_meta() { global $wpdb; $termID = $_GET['termID']; $field = $_GET['field']; if (!empty($termID)) { if (empty($field)) { $data = get_term_meta($termID); $term = get_term($termID); // add the term name $data['term_name'] = [$term->name]; if (!empty($data['related_customer'])) { $relCustomer = get_term($data['related_customer'][0]); // add the customer name $data['related_customer_name'] = [$relCustomer->name]; } } else { $data = get_term_meta($termID, $field); } echo wp_send_json($data); } wp_die(); } add_action('wp_ajax_get_json_term_meta', 'get_json_term_meta'); // Gets a term and returns JSON function get_json_term() { global $wpdb; $termID = $_GET['termID']; $field = $_GET['field']; if (!empty($termID)) { if (empty($field)) { $data = get_term($termID); } else { $data = get_term($termID, $field); } echo wp_send_json($data); } wp_die(); } add_action('wp_ajax_get_json_term', 'get_json_term'); JS to fetch the taxonomy term metadata and place it into the page:
// ------------------------- // Fetch Taxonomy Term & Meta // ------------------------- // GOAL: When a user selects a taxonomy term (from a MetaBox.io field) this fetches the // term & it's metadata and loads it into a Custom HTML block // ------------------------- // FORUM - https://metabox.io/support/topic/show-data-from-related-post-term-after-selection/ // PHP - https://gist.github.com/21fed6266453de7ba76b3d2bc0e5a06f // JS - https://gist.github.com/3b636d0c7e55ce6dc58ceba3de9a974e // ------------------------- // fetch taxonomy metadata and load it into view let get_job_tax_html = function get_job_tax_html(tax) { let htmlField = `.${tax}_html`; jQuery(`${htmlField}`).slideUp(); // jQuery(`${htmlField}`).addClass('hidden'); jQuery(`${htmlField} .rwmb-input > *`).empty(); let termID = jQuery('#' + tax).val(); if (termID !== '') { let data = { action: 'get_json_term_meta', termID: termID }; let jqReq = jQuery.get(ajaxurl, data); jqReq.done(function(response) { // console.log(tax, response); jQuery.each(response, function(key, val) { // use this on first run to create the HTML to place inside the Custom HTML field // jQuery(`<span class="${key}">${val[0]}</span>`).appendTo(`${htmlField} .rwmb-input`); // as long as html structure is in place, this will inject the matching data if (val.length) jQuery(`${htmlField} .rwmb-input .${key}`).text(val[0]); }); // jQuery(`${htmlField}`).removeClass('hidden'); jQuery(`${htmlField}`).slideDown(); }); } } // PM - fetch term meta on init & then again on change get_job_tax_html('job_pm_taxonomy'); jQuery('select#job_pm_taxonomy').change(function() { get_job_tax_html('job_pm_taxonomy'); }); // Contact - fetch term meta on init & then again on change get_job_tax_html('job_contact_taxonomy'); jQuery('select#job_contact_taxonomy').change(function() { get_job_tax_html('job_contact_taxonomy'); }); 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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