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<?php
// Prevent loading this file directly
defined( 'ABSPATH' ) || exit;
require_once WCQD_METABOX_FIELDS_DIR . 'taxonomy.php';
if ( ! class_exists( 'WCQD_METABOX_Taxonomy_Advanced_Field' ) )
{
class WCQD_METABOX_Taxonomy_Advanced_Field extends WCQD_METABOX_Taxonomy_Field
{
/**
* Get meta values to save
* Save terms in custom field, no more by setting post terms
* Save in form of comma-separated IDs
*
* @param mixed $new
* @param mixed $old
* @param int $post_id
* @param array $field
*
* @return string
*/
static function value( $new, $old, $post_id, $field )
{
return implode( ',', array_unique( $new ) );
}
/**
* Save meta value
*
* @param mixed $new
* @param mixed $old
* @param int $post_id
* @param array $field
*
* @return string
*/
static function save( $new, $old, $post_id, $field )
{
if ( $new )
update_post_meta( $post_id, $field['id'], $new );
else
delete_post_meta( $post_id, $field['id'] );
}
/**
* Standard meta retrieval
*
* @param int $post_id
* @param bool $saved
* @param array $field
*
* @return array
*/
static function meta( $post_id, $saved, $field )
{
$meta = get_post_meta( $post_id, $field['id'], true );
$meta = array_map( 'intval', array_filter( explode( ',', $meta . ',' ) ) );
return $meta;
}
/**
* Get the field value
* Return list of post term objects
*
* @param array $field Field parameters
* @param array $args Additional arguments. Rarely used. See specific fields for details
* @param int|null $post_id Post ID. null for current post. Optional.
*
* @return array List of post term objects
*/
static function get_value( $field, $args = array(), $post_id = null )
{
if ( ! $post_id )
$post_id = get_the_ID();
$value = self::meta( $post_id, '', $field );
// Allow to pass more arguments to "get_terms"
$args = wp_parse_args( array(
'include' => $value,
'hide_empty' => false,
), $args );
$value = get_terms( $field['options']['taxonomy'], $args );
// Get single value if necessary
if ( ! $field['clone'] && ! $field['multiple'] )
{
$value = reset( $value );
}
return $value;
}
}
}