[buddypress-trac] [BuddyPress Trac] #6272: Add new hook admin_new_field_html_additional_options to allows plugin authors to add options to multi fields without the need to replicate the code

[buddypress-trac]

#6272: Add new hook admin_new_field_html_additional_options to allows plugin
authors to add options to multi fields without the need to replicate the
code
-----------------------------------------+------------------------------
 Reporter:  svenl77                      |       Owner:
     Type:  enhancement                  |      Status:  new
 Priority:  normal                       |   Milestone:  Awaiting Review
Component:  API                          |     Version:  2.2.1
 Severity:  normal                       |  Resolution:
 Keywords:  has-patch reporter-feedback  |
-----------------------------------------+------------------------------

Comment (by svenl77):

 Hi boonebgorges,

 If I understand it correctly, 'bp_xprofile_field_get_children' is perfect
 to get/manipulate the multiselectbox children.

 The multiselectbox options in this case.


 {{{
 <select>
 <option></option> == children
 </select>
 }}}


 But I do not want to add new options to a select box, I want to add
 general options to the multi field type to add some js depend on this
 options. Not to display this options. The children are the user choices. I
 want options to to add attributes.

 The multiselectbox and all the children should work like normal.

 What I try to do is to create a multiselectbox and limit the selection a
 user can make to a number x.

 [[Image(https://dl-
 web.dropbox.com/get/Screenshots/xprofile2.jpeg?_subject_uid=16188696&w=AAC1ya1R8Ym0frPTVUUfYvuCJT5PTRqrhTOgdi6vtTcuPg)]]

 [[Image(https://photos-6.dropbox.com/t/2/AACNpU0VggbcnDXhYpUy9p7FXaeZojkmZmeFc0g3AJkxBw/12/16188696/jpeg/1024x768/3/1425398400/0/2/xprofile.jpeg/CJiK3AcgASACIAMoASgC/_vaRFsH7MtXRtYA4tW78M7au5ig1joJS2FlxgCNIATM)]]

 I did it with some lines of code, but needed to replicate the
 multiselectbox because of the missing hook.

 {{{
 $xprofile_select2_maximum_selection_size = bp_xprofile_get_meta(
 $current_field->id, 'field', 'xprofile_select2_maximum_selection_size' );

 wp_nonce_field( 'xprofile-select2-edit-action', 'xprofile-select2-edit-
 action' );
 }}}


 and add the form elements for the option under the sort order.


 {{{
 <p>
     <label for="maximum-selection-size"><?php esc_html_e( 'Maximum
 Selection Size:', 'buddypress' ); ?></label>
     <input type='number' name='xprofile-select2-maximum-selection-size' id
 ='xprofile-select2-maximum-selection-size' class='xprofile-select2-text'
 value ='<?php echo $xprofile_select2_maximum_selection_size ?>' />
 </p>
 }}}


 I have added the complete class to Github so it is more easy to
 understand. We talk about the public function admin_new_field_html on line
 189.

 https://github.com/Themekraft/BuddyPress-xProfile-
 Select2/blob/master/includes/field-types/multiselectbox2.php

 I hope this makes it more clear and understandable. Sorry for my poor
 english. Next live I will be a native speaker ;)

 Many thanks,
 Sven

--
Ticket URL: <https://buddypress.trac.wordpress.org/ticket/6272#comment:2>
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