[wp-trac] [WordPress Trac] #36825: Multiselect feature on attachment_fields_to_edit

[WordPress Trac]

#36825: Multiselect feature on attachment_fields_to_edit
----------------------------------------+-----------------------------
 Reporter:  drosendo                    |      Owner:
     Type:  enhancement                 |     Status:  new
 Priority:  normal                      |  Milestone:  Awaiting Review
Component:  Options, Meta APIs          |    Version:  4.5.2
 Severity:  normal                      |   Keywords:
  Focuses:  javascript, administration  |
----------------------------------------+-----------------------------
 Dont know if is bug or not.

 When using:

 {{{#!php
 <?php

 add_filter('attachment_fields_to_edit', array($this, 'multi_field'), 10,
 2);
 add_filter('attachment_fields_to_save', array($this, 'multi_field_save'),
 10, 2);

 function multi_field($form_fields, $post) {
     $current = "something";
     $html = "<select name='attachments[{$post->ID}][multi_field]'
 id='attachments[{$post->ID}][multi_field]' multiple='multiple'>";
     $html .= "<option value='' " . selected($current, '', false) .
 ">none</option>";
     $html .= "<option value='a' " . selected($current, $something, false)
 . ">a</option>";
     $html .= "<option value='b' " . selected($current, $something, false)
 . ">b</option>";
     $html .= "<option value='c' " . selected($current, $something, false)
 . ">c</option>";
     $html .= "<option value='d' " . selected($current, $something, false)
 . ">d</option>";
     $html .= '</select>';

     $form_fields['woosvi-slug'] = array(
         'label' => 'Variation',
         'input' => 'html',
         'html' => $html,
         'application' => 'image',
         'exclusions' => array(
             'audio',
             'video'
         )
     );

     return $form_fields;
 }

 function multi_field_save($post, $attachment) {

     if (isset($attachment['multi_field']))
         update_post_meta($post['ID'], 'multi_field',
 $attachment['multi_field']);


     return $post;
 }

 }}}




 Each time the select option is done, it runs ajax and saves the last value
 and not multiple values.
 May be im missing somehting to allow this to work properly.

 thanks,
 David

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Ticket URL: <https://core.trac.wordpress.org/ticket/36825>
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