+ /**
+ * Get original title.
+ *
+ * @since 4.7.0
+ * @access protected
+ *
+ * @param object $item Nav menu item.
+ * @return string The original title.
+ */
+ protected function get_original_title( $item ) {
+ $original_title = '';
+ if ( 'post_type' === $item->type && ! empty( $item->object_id ) ) {
+ $original_object = get_post( $item->object_id );
+ if ( $original_object ) {
+ /** This filter is documented in wp-includes/post-template.php */
+ $original_title = apply_filters( 'the_title', $original_object->post_title, $original_object->ID );
+
+ if ( '' === $original_title ) {
+ /* translators: %d: ID of a post */
+ $original_title = sprintf( __( '#%d (no title)' ), $original_object->ID );
+ }
+ }
+ } elseif ( 'taxonomy' === $item->type && ! empty( $item->object_id ) ) {
+ $original_term_title = get_term_field( 'name', $item->object_id, $item->object, 'raw' );
+ if ( ! is_wp_error( $original_term_title ) ) {
+ $original_title = $original_term_title;
+ }
+ } elseif ( 'post_type_archive' === $item->type ) {
+ $original_object = get_post_type_object( $item->object );
+ if ( $original_object ) {
+ $original_title = $original_object->labels->archives;
+ }
+ }
+ $original_title = html_entity_decode( $original_title, ENT_QUOTES, get_bloginfo( 'charset' ) );
+ return $original_title;
+ }
+
+ /**
+ * Get type label.
+ *
+ * @since 4.7.0
+ * @access protected
+ *
+ * @param object $item Nav menu item.
+ * @returns string The type label.
+ */
+ protected function get_type_label( $item ) {
+ if ( 'post_type' === $item->type ) {
+ $object = get_post_type_object( $item->object );
+ if ( $object ) {
+ $type_label = $object->labels->singular_name;
+ } else {
+ $type_label = $item->object;
+ }
+ } elseif ( 'taxonomy' === $item->type ) {
+ $object = get_taxonomy( $item->object );
+ if ( $object ) {
+ $type_label = $object->labels->singular_name;
+ } else {
+ $type_label = $item->object;
+ }
+ } elseif ( 'post_type_archive' === $item->type ) {
+ $type_label = __( 'Post Type Archive' );
+ } else {
+ $type_label = __( 'Custom Link' );
+ }
+ return $type_label;
+ }
+