Hi
Thank you for a quick response.
Please see code between tags // DJ – BEGIN and // DJ – END
File CMB2_Type_Multi_Base.php:
<?php
/**
* CMB Multi base field type
*
* @since 2.2.2
*
* @category WordPress_Plugin
* @package CMB2
* @author CMB2 team
* @license GPL-2.0+
* @link https://cmb2.io
*/
abstract class CMB2_Type_Multi_Base extends CMB2_Type_Base {
/**
* Generates html for an option element
*
* @since 1.1.0
* @param array $args Arguments array containing value, label, and checked boolean
* @return string Generated option element html
*/
public function select_option( $args = array() ) {
return sprintf( "\t" . '<option value="%s" %s>%s</option>', $args['value'], selected( isset( $args['checked'] ) && $args['checked'], true, false ), $args['label'] ) . "\n";
}
/**
* Generates html for list item with input
*
* @since 1.1.0
* @param array $args Override arguments
* @param int $i Iterator value
* @return string Gnerated list item html
*/
public function list_input( $args = array(), $i ) {
$a = $this->parse_args( 'list_input', array(
'type' => 'radio',
'class' => 'cmb2-option',
'name' => $this->_name(),
'id' => $this->_id( $i ),
'value' => $this->field->escaped_value(),
'label' => '',
), $args );
// DJ - BEGIN
if($a['name'] == '_tc_category'){
$taxonomy = 'ad_category';
$terms = get_terms($taxonomy, array("hide_empty" => false)); // Get all terms of a taxonomy
foreach ( $terms as $term ) {
$cat = get_term_by('slug', $a['value'], $taxonomy);
$image_url = '';
$image = '';
$is_parent = '';
if(!empty($cat)){
$cat_id = $cat->term_id;
$level1 = $cat->parent;
$image_url = get_term_meta( $cat_id, '_tc_cat_image', true );
if(!empty($image_url) && $level1 == 0){
$image = '<img src="'.$image_url.'" alt="'.$a['label'].'" />';
} else {
$image = '';
}
if(get_term_children( $cat_id, $taxonomy )){
$is_parent = 'class="parent"';
return sprintf( "\t" . '<li %s><span><input%s/><label for="%s">%s<span>%s</span></label></span>' . "\n", $is_parent, $this->concat_attrs( $a, array( 'label' ) ), $a['id'], $image, $a['label']);
} else {
return sprintf( "\t" . '<li %s><span><input%s/><label for="%s">%s<span>%s</span></label></span></li>' . "\n", $is_parent, $this->concat_attrs( $a, array( 'label' ) ), $a['id'], $image, $a['label']);
}
}
}
} else {
return sprintf( "\t" . '<li><input%s/> <label for="%s">%s</label></li>' . "\n", $this->concat_attrs( $a, array( 'label' ) ), $a['id'], $a['label'] );
}
// DJ - END
}
/**
* Generates html for list item with checkbox input
*
* @since 1.1.0
* @param array $args Override arguments
* @param int $i Iterator value
* @return string Gnerated list item html
*/
public function list_input_checkbox( $args, $i ) {
$saved_value = $this->field->escaped_value();
if ( is_array( $saved_value ) && in_array( $args['value'], $saved_value ) ) {
$args['checked'] = 'checked';
}
$args['type'] = 'checkbox';
return $this->list_input( $args, $i );
}
/**
* Generates html for concatenated items
*
* @since 1.1.0
* @param array $args Optional arguments
* @return string Concatenated html items
*/
public function concat_items( $args = array() ) {
$field = $this->field;
$method = isset( $args['method'] ) ? $args['method'] : 'select_option';
unset( $args['method'] );
$value = null !== $field->escaped_value()
? $field->escaped_value()
: $field->get_default();
$value = CMB2_Utils::normalize_if_numeric( $value );
$concatenated_items = '';
$i = 1;
$options = array();
if ( $option_none = $field->args( 'show_option_none' ) ) {
$options[''] = $option_none;
}
$options = $options + (array) $field->options();
foreach ( $options as $opt_value => $opt_label ) {
// Clone args & modify for just this item
$a = $args;
$a['value'] = $opt_value;
$a['label'] = $opt_label;
// Check if this option is the value of the input
if ( $value === CMB2_Utils::normalize_if_numeric( $opt_value ) ) {
$a['checked'] = 'checked';
}
$concatenated_items .= $this->$method( $a, $i++ );
}
return $concatenated_items;
}
}
File CMB2_Type_Taxonomy_Base.php:
<?php
/**
* CMB Taxonomy base field type
*
* @since 2.2.2
*
* @category WordPress_Plugin
* @package CMB2
* @author CMB2 team
* @license GPL-2.0+
* @link https://cmb2.io
*/
abstract class CMB2_Type_Taxonomy_Base extends CMB2_Type_Multi_Base {
/**
* Checks if we can get a post object, and if so, uses <code>get_the_terms</code> which utilizes caching.
*
* @since 1.0.2
* @return mixed Array of terms on success
*/
public function get_object_terms() {
switch ( $this->field->object_type ) {
case 'options-page':
case 'term':
return $this->options_terms();
case 'post':
// WP caches internally so it's better to use
return get_the_terms( $this->field->object_id, $this->field->args( 'taxonomy' ) );
default:
return $this->non_post_object_terms();
}
}
/**
* Gets the term objects for the terms stored via options boxes.
*
* @since 2.2.4
* @return mixed Array of terms on success
*/
public function options_terms() {
if ( empty( $this->field->value ) ) {
return array();
}
$terms = (array) $this->field->value;
foreach ( $terms as $index => $term ) {
$terms[ $index ] = get_term_by( 'slug', $term, $this->field->args( 'taxonomy' ) );
}
return $terms;
}
/**
* For non-post objects, wraps the call to wp_get_object_terms with transient caching.
*
* @since 2.2.4
* @return mixed Array of terms on success
*/
public function non_post_object_terms() {
$object_id = $this->field->object_id;
$taxonomy = $this->field->args( 'taxonomy' );
$cache_key = "cmb-cache-{$taxonomy}-{$object_id}";
// Check cache
$cached = get_transient( $cache_key );
if ( ! $cached ) {
$cached = wp_get_object_terms( $object_id, $taxonomy );
// Do our own (minimal) caching. Long enough for a page-load.
set_transient( $cache_key, $cached, 60 );
}
return $cached;
}
/**
* Wrapper for <code>get_terms</code> to account for changes in WP 4.6 where taxonomy is expected
* as part of the arguments.
*
* @since 2.2.2
* @return mixed Array of terms on success
*/
public function get_terms() {
return CMB2_Utils::wp_at_least( '4.5.0' )
? get_terms( wp_parse_args( $this->field->prop( 'query_args', array() ), array(
'taxonomy' => $this->field->args( 'taxonomy' ),
'hide_empty' => false,
) ) )
: get_terms( $this->field->args( 'taxonomy' ), 'hide_empty=0' );
}
protected function no_terms_result( $error, $tag = 'li' ) {
if ( is_wp_error( $error ) ) {
$message = $error->get_error_message();
$data = 'data-error="' . esc_attr( $error->get_error_code() ) . '"';
} else {
$message = $this->_text( 'no_terms_text', esc_html__( 'No terms', 'cmb2' ) );
$data = '';
}
$this->field->args['select_all_button'] = false;
return sprintf( '<%3$s><label %1$s>%2$s</label></%3$s>', $data, esc_html( $message ), $tag );
}
public function get_object_term_or_default() {
$saved_terms = $this->get_object_terms();
return is_wp_error( $saved_terms ) || empty( $saved_terms )
? $this->field->get_default()
: array_shift( $saved_terms )->slug;
}
/**
* Takes a list of all tax terms and outputs.
*
* @since 2.2.5
*
* @param array $all_terms Array of all terms.
* @param array|string $saved Array of terms set to the object, or single term slug.
*
* @return string List of terms.
*/
protected function loop_terms( $all_terms, $saved_terms ) {
return '';
}
/**
* Build children hierarchy.
*
* @param object $parent_term The parent term object.
* @param array|string $saved Array of terms set to the object, or single term slug.
*
* @return string List of terms.
*/
protected function build_children( $parent_term, $saved ) {
if ( empty( $parent_term->term_id ) ) {
return '';
}
$this->parent = $parent_term->term_id;
$terms = $this->get_terms();
$options = '';
if ( ! empty( $terms ) && is_array( $terms ) ) {
// DJ - BEGIN
$options = '<ul class="cmb2-indented-hierarchy">';
$options .= $this->loop_terms( $terms, $saved );
$options .= '</ul>';
// DJ - END
}
return $options;
}
}
