From 5c72b7344bb51ecb9e99fe0bec0a792ab2dbca66 Mon Sep 17 00:00:00 2001
From: Peter Westwood <peter.westwood@ftwr.co.uk>
Date: Wed, 7 Nov 2012 21:31:08 +0000
Subject: [PATCH] Post UI: Provide visual feedback to the user if they try to
 set an invalid date for a post. Fixes #17180 props jkudish.

git-svn-id: http://core.svn.wordpress.org/trunk@22442 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/js/post.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/wp-admin/js/post.js b/wp-admin/js/post.js
index 307c8c214d..2afd7ec4d2 100644
--- a/wp-admin/js/post.js
+++ b/wp-admin/js/post.js
@@ -387,6 +387,10 @@ jQuery(document).ready( function($) {
 		}
 
 		function updateText() {
+
+			if ( ! $('#timestampdiv').length )
+				return true;
+
 			var attemptedDate, originalDate, currentDate, publishOn, postStatus = $('#post_status'),
 				optPublish = $('option[value="publish"]', postStatus), aa = $('#aa').val(),
 				mm = $('#mm').val(), jj = $('#jj').val(), hh = $('#hh').val(), mn = $('#mn').val();
@@ -534,6 +538,16 @@ jQuery(document).ready( function($) {
 			return false;
 		});
 
+		$('#post').on( 'submit', function(e){
+			if ( ! updateText() ) {
+				e.preventDefault();
+				$('#timestampdiv').show();
+				$('#publishing-action .spinner').hide();
+				$('#publish').prop('disabled', false).removeClass('button-primary-disabled');
+				return false;
+			}
+		});
+
 		$('#post-status-select').siblings('a.edit-post-status').click(function() {
 			if ($('#post-status-select').is(":hidden")) {
 				$('#post-status-select').slideDown('fast');