From 4e47bdfffcdca120e389a0e1c6793e568ddfe65a Mon Sep 17 00:00:00 2001
From: Thorsten Eurich <thorsten@eurich.de>
Date: Fri, 5 Jul 2013 18:40:54 +0200
Subject: [PATCH 1/3] missing global. Signed-off-by:Thorsten Eurich
 <thorsten@eurich.de>

---
 sources/controllers/Markasread.controller.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sources/controllers/Markasread.controller.php b/sources/controllers/Markasread.controller.php
index a254af1fc1..d97742e7d1 100644
--- a/sources/controllers/Markasread.controller.php
+++ b/sources/controllers/Markasread.controller.php
@@ -63,7 +63,7 @@ private function _dispatch()
 	 */
 	public function action_index_api()
 	{
-		global $context, $txt, $user_info;
+		global $context, $txt, $user_info, $scripturl;
 
 		loadTemplate('Xml');
 

From 9612c8a869c0d1d289baa6be7f5dc4e5cdb0d232 Mon Sep 17 00:00:00 2001
From: Thorsten Eurich <thorsten@eurich.de>
Date: Fri, 5 Jul 2013 18:42:21 +0200
Subject: [PATCH 2/3] unused globals. Signed-off-by:Thorsten Eurich
 <thorsten@eurich.de>

---
 themes/default/Display.template.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/themes/default/Display.template.php b/themes/default/Display.template.php
index 88b7f66e05..4d7b471272 100644
--- a/themes/default/Display.template.php
+++ b/themes/default/Display.template.php
@@ -916,7 +916,7 @@ function template_display_calendar_above()
 
 function template_pages_and_buttons_above()
 {
-	global $context, $txt, $modSettings;
+	global $context;
 
 	// Show the anchor for the top and for the first message. If the first message is new, say so.
 	echo '
@@ -928,7 +928,7 @@ function template_pages_and_buttons_above()
 
 function template_pages_and_buttons_below()
 {
-	global $context, $txt, $modSettings;
+	global $context;
 
 
 	// Show the page index... "Pages: [1]".

From fe52ebdfdeaca80904f4e37f1fb00f01820a6bf2 Mon Sep 17 00:00:00 2001
From: Thorsten Eurich <thorsten@eurich.de>
Date: Fri, 5 Jul 2013 19:28:09 +0200
Subject: [PATCH 3/3] fixes for various undefined index errors:  - the "like"
 button alternate text can't show show users if no one had liked the message
 before - the "like" button shouldn't appear if the "like" feature is
 disabled. Signed-off-by:Thorsten Eurich <thorsten@eurich.de>

---
 sources/controllers/Display.controller.php |  1 +
 themes/default/Display.template.php        | 19 ++++++++-----------
 2 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/sources/controllers/Display.controller.php b/sources/controllers/Display.controller.php
index 53d782bfa8..1989936ead 100644
--- a/sources/controllers/Display.controller.php
+++ b/sources/controllers/Display.controller.php
@@ -1043,6 +1043,7 @@ public function prepareDisplayContext_callback($reset = false)
 			'can_like' => $message['use_likes'] && !$message['likes'],
 			'can_unlike' => $message['use_likes'] && $message['likes'],
 			'like_counter' =>$message['like_count'],
+			'likes_enabled' => !empty($modSettings['likes_enabled']) ? true : false,
 		);
 
 		// Is this user the message author?
diff --git a/themes/default/Display.template.php b/themes/default/Display.template.php
index 4d7b471272..4a97ec68b5 100644
--- a/themes/default/Display.template.php
+++ b/themes/default/Display.template.php
@@ -213,31 +213,28 @@ function template_main()
 								</ul>';
 		}
 
-		// Has anyone liked this post? @todo - Still needs a bit of tweaking.
-		//if (!empty($message['like_counter']))
+		// Hide likes for those who can't like or unlike for now..
+		if ($message['likes_enabled'])
+		{
 			echo '
-							<li class="listlevel1"><a href="#" title="', $txt['liked_by'], ' ', implode(', ', $context['likes'][$message['id']]['member']), '" class="linklevel1 likes_button">', !empty($message['like_counter']) ? '&nbsp;'. $message['like_counter']. '&nbsp;'. $txt['likes'] :'&nbsp;', '</a>';
+							<li class="listlevel1"><a href="#" title="', !empty($message['like_counter']) ? $txt['liked_by'] . ' ' . implode(', ', $context['likes'][$message['id']]['member']) : '', '" class="linklevel1 likes_button">', !empty($message['like_counter']) ? '&nbsp;'. $message['like_counter']. '&nbsp;'. $txt['likes'] :'&nbsp;', '</a>';
 
-			// Can they like this post
+			// Can they like this post?
 			if ($message['can_like'])
-			{
-						echo '
+				echo '
 								<ul class="menulevel2">
 									<li class="listlevel2"><a href="', $scripturl, '?action=likes;sa=likepost;topic=', $context['current_topic'], 'msg=' . $message['id'], ';msg=', $message['id'], ';', $context['session_var'], '=', $context['session_id'], '" class="linklevel2 like_button">', $txt['like_post'], '</a></li>
 								</ul>';
-			}
 			// Or remove the like they made
 			elseif ($message['can_unlike'])
-			{
-						echo '
+				echo '
 								<ul class="menulevel2">
 									<li class="listlevel2"><a href="', $scripturl, '?action=likes;sa=unlikepost;topic=', $context['current_topic'], 'msg=' . $message['id'], ';msg=', $message['id'], ';', $context['session_var'], '=', $context['session_id'], '" class="linklevel2 unlike_button">', $txt['unlike_post'], '</a></li>
 								</ul>';
-			}
 
 			echo '
 							</li>';
-
+		}
 		// Can the user quick modify the contents of this post?  Show the quick (inline) modify button.
 		if ($message['can_modify'])
 			echo '