API control for rebuilding WordPress admin-editor metaboxes #wordpress #metabox #tags #category

custom-meta-boxes.php

<?php
### This file provides an API for rebuilding metaboxes
### See https://rudrastyh.com/wordpress/tag-metabox-like-categories.html
###   for inspiration on content.
### See wp-admin/meta-boxes.php for source-code.

// add_action( 'admin_menu', 'taoti_post_taxonomy_metabox_remove' );
// add_action( 'admin_menu', 'taoti_add_autosorting_taxonomy_metabox' );


/*
* Meta Box Removal
*/
function taoti_post_taxonomy_metabox_remove() {
	$id = 'writersdiv'; // Found on page source code. Will generally be 'tagsdiv-taxonomy' or 'taxonomydiv'
	$post_type = 'resources'; // Specifies what post-type to remove it from.
	$position = 'side';
	remove_meta_box( $id, $post_type, $position );
}

/*
* Add 'Categories' Style Metabox
*
* See taoti_metabox_content()
*/
function taoti_add_autosorting_taxonomy_metabox() {
  // @todo: Add a $type, which allows for various metabox layout options.

  $id = 'taoti_writersdiv'; // it should be unique or flat-replace $id from taoti_post_taxonomy_metabox_remove()
	$heading = 'Writers'; // meta box heading
	$callback = 'taoti_metabox_content'; // the name of the callback function
	$post_type = 'resources';
	$position = 'side';
	$pri = 'default'; // priority, 'default' is good for us
	add_meta_box( $id, $heading, $callback, $post_type, $position, $pri );
}

/*
* Fill added Metabox
*
* Can also be used as a replacement within the declaration of the Taxonomy
*   via 'register_args' => [ 'meta_box_cb' => 'taoti_metabox_content' ]
*
* See wp-admin/includes/meta-boxes.php for example code from Core.
*/
function taoti_metabox_content( $post, $box ) {

  // Add code here.
}

/*
* Override WP Term Order
*
* WP Term Order does not allow for sorting by 'name' and must be overridden.
*
* See https://github.com/stuttter/wp-term-order/issues/11#issuecomment-507739369
*   for solution source.
*/
function my_theme_get_terms( $args = null ) {
	add_filter( 'get_terms_orderby', 'my_theme_get_terms_order_fix', 20, 2 );
	$terms = get_terms( $args );
	remove_filter( 'get_terms_orderby', 'my_theme_get_terms_order_fix', 20 );
	return $terms;
}

function my_theme_get_terms_order_fix( $orderby = 'name', $args = array() ) {
	if ( 'name' == $args['orderby'] && 't.name' !== $orderby ) {
		$orderby = 't.name';
	}
	return $orderby;
}