Select_advanced field with ajax - get current label

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

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July 25, 2022 at 4:59 PM #37181
wgstjf
Participant
Hi guys,

We have a select_advanced field that is sourcing it's options via ajax. The ajax function gets and formats data from a custom table (used by MB Custom Table). We can successfully get and save data this way.

The issue is that I cannot see how to get and display the previously saved value's label. Our select_advanced field is in a cloneable group so it is not easy to just get the stored value from the database and then do a DB lookup to get hte label. Any thoughts??
```
array(
	'name' 	=> __( 'Event Name', 'indigo-metaboxes' ),
	'id'   	=> 'event_id',
	'type'  => 'select_advanced',
	'options' => '', // presumably need a function here that can get the current value and do a DB query for the value to display...
	'js_options' => array (
    'ajax' => array(
      'url' => admin_url('/admin-ajax.php?action=get_events_list'),
      'dataType' => 'json',
      'type' => 'get',
      'delay' => '250',
    ),
    'minimumInputLength' => 3,
    'allowClear' => true,
    'placeholder' => 'Choose event...'
  ),
	'columns'  => '4',
),
```
Thanks in advance,

Will

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July 27, 2022 at 5:18 PM #37231

Long Nguyen
Moderator

Hi Will,

Did you try to use the helper function rwmb_get_field_settings() to get the field/subfield setting? Please read more on the documentation https://docs.metabox.io/functions/rwmb-get-field-settings/

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August 1, 2022 at 7:01 PM #37300
wgstjf
Participant
Hi Long

Thanks for your reply though I'm not sure I understand.

I need to be able to get the stored field's Value, for each select_advanced field within the cloneable group, and then do a DB lookup to get the Label (to display as the selected option) from a custom table.

In theory we could do something like this
```
// Field Option
'options' => get_current_option(currentValue),

// Function
function get_current_option(currentValue) {
 // DB Lookup to get Label for value...
 $example_label = 'Test;
 // Response
 return [currentValue => $example_label];
}
```
The issue is I have no idea how to get the 'currentValue' var for the 'select_advanced' field in each of the cloneable groups. Any advice?

Cheers,

Will

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