Merge "Add 3D filetype for STL files"

[lhc/web/wiklou.git] / includes / changetags / ChangeTags.php

diff --git a/includes/changetags/ChangeTags.php b/includes/changetags/ChangeTags.php
index ff6a873..6ba9c10 100644 (file)
--- a/includes/changetags/ChangeTags.php
+++ b/includes/changetags/ChangeTags.php
@@ -120,6 +120,32 @@ class ChangeTags {
                return $msg->parse();
        }
 
+       /**
+        * Get the message object for the tag's long description.
+        *
+        * Checks if message key "mediawiki:tag-$tag-description" exists. If it does not,
+        * or if message is disabled, returns false. Otherwise, returns the message object
+        * for the long description.
+        *
+        * @param string $tag Tag
+        * @param IContextSource $context
+        * @return Message|bool Message object of the tag long description or false if
+        *  there is no description.
+        */
+       public static function tagLongDescriptionMessage( $tag, IContextSource $context ) {
+               $msg = $context->msg( "tag-$tag-description" );
+               if ( !$msg->exists() ) {
+                       return false;
+               }
+               if ( $msg->isDisabled() ) {
+                       // The message exists but is disabled, hide the description.
+                       return false;
+               }
+
+               // Message exists and isn't disabled, use it.
+               return $msg;
+       }
+
        /**
         * Add tags to a change given its rc_id, rev_id and/or log_id
         *