false,
'hierarchical' => ! empty( $attributes['showHierarchy'] ),
'orderby' => 'name',
'show_count' => ! empty( $attributes['showPostCounts'] ),
'title_li' => '',
);
if ( ! empty( $attributes['displayAsDropdown'] ) ) {
$id = 'wp-block-categories-' . $block_id;
$args['id'] = $id;
$args['show_option_none'] = __( 'Select Category' );
$wrapper_markup = '%2$s
';
$items_markup = wp_dropdown_categories( $args );
$type = 'dropdown';
if ( ! is_admin() ) {
$wrapper_markup .= build_dropdown_script_block_core_categories( $id );
}
} else {
$wrapper_markup = '';
$items_markup = wp_list_categories( $args );
$type = 'list';
}
$class = "wp-block-categories wp-block-categories-{$type}";
if ( isset( $attributes['align'] ) ) {
$class .= " align{$attributes['align']}";
}
if ( isset( $attributes['className'] ) ) {
$class .= " {$attributes['className']}";
}
return sprintf(
$wrapper_markup,
esc_attr( $class ),
$items_markup
);
}
/**
* Generates the inline script for a categories dropdown field.
*
* @param string $dropdown_id ID of the dropdown field.
*
* @return string Returns the dropdown onChange redirection script.
*/
function build_dropdown_script_block_core_categories( $dropdown_id ) {
ob_start();
?>
array(
'align' => array(
'type' => 'string',
'enum' => array( 'left', 'center', 'right', 'wide', 'full' ),
),
'className' => array(
'type' => 'string',
),
'displayAsDropdown' => array(
'type' => 'boolean',
'default' => false,
),
'showHierarchy' => array(
'type' => 'boolean',
'default' => false,
),
'showPostCounts' => array(
'type' => 'boolean',
'default' => false,
),
),
'render_callback' => 'render_block_core_categories',
)
);
}
add_action( 'init', 'register_block_core_categories' );