From 0cc536e1730bcb131fad0dca01c5517133e6af81 Mon Sep 17 00:00:00 2001
From: Boone Gorges <boonebgorges@git.wordpress.org>
Date: Thu, 7 Mar 2019 03:03:57 +0000
Subject: [PATCH] Taxonomy: Add `level-n` classes to rows on edit-tags.php.

Props johnjamesjacoby.
Fixes #38810.

git-svn-id: https://develop.svn.wordpress.org/trunk@44804 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/includes/class-wp-terms-list-table.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/wp-admin/includes/class-wp-terms-list-table.php b/src/wp-admin/includes/class-wp-terms-list-table.php
index 94e419c189..d30fb3d8f8 100644
--- a/src/wp-admin/includes/class-wp-terms-list-table.php
+++ b/src/wp-admin/includes/class-wp-terms-list-table.php
@@ -332,7 +332,14 @@ class WP_Terms_List_Table extends WP_List_Table {
 
 		$this->level = $level;
 
-		echo '<tr id="tag-' . $tag->term_id . '">';
+		if ( $tag->parent ) {
+			$count = count( get_ancestors( $tag->term_id, $taxonomy, 'taxonomy' ) );
+			$level = 'level-' . $count;
+		} else {
+			$level = 'level-0';
+		}
+
+		echo '<tr id="tag-' . $tag->term_id . '" class="' . $level . '">';
 		$this->single_row_columns( $tag );
 		echo '</tr>';
 	}