From 57b977d781d49eb94eb4eadf543cf7aa35148b50 Mon Sep 17 00:00:00 2001
From: markjaquith <markjaquith@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Thu, 5 Jul 2012 14:08:20 +0000
Subject: [PATCH] Uncheck the "select all" checkbox when one of the child
 checkboxes is manually unchecked. props SergeyBiryukov. fixes #20261

git-svn-id: http://core.svn.wordpress.org/trunk@21209 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/js/common.dev.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/wp-admin/js/common.dev.js b/wp-admin/js/common.dev.js
index e839327f0f..d3d9e70019 100644
--- a/wp-admin/js/common.dev.js
+++ b/wp-admin/js/common.dev.js
@@ -275,6 +275,13 @@ $(document).ready( function() {
 			}
 		}
 		lastClicked = this;
+
+		// toggle "check all" checkboxes
+		var unchecked = $(this).closest('tbody').find(':checkbox').filter(':visible').not(':checked');
+		$(this).closest('table').children('thead, tfoot').find(':checkbox').prop('checked', function() {
+			return ( 0 == unchecked.length );
+		});
+
 		return true;
 	});