when we're at the first or last revision, do not hyperlink "previous" and "next"...

diff --git a/includes/PageHistory.php b/includes/PageHistory.php
index 798ab3c..ff1c1a4 100644 (file)
--- a/includes/PageHistory.php
+++ b/includes/PageHistory.php
@@ -53,7 +53,7 @@ class PageHistory {
                $limit = $wgRequest->getInt('limit');
                if (!$limit) $limit = 50;
                $offset = $wgRequest->getText('offset');
-               if (!isset($offset) || !preg_match("/^[0-9]+$/", $offset)) $offset = 0;
+               if (!strlen($offset) || !preg_match("/^[0-9]+$/", $offset)) $offset = 0;
 
                if (($gowhere = $wgRequest->getText("go")) !== NULL) {
                        switch ($gowhere) {
@@ -151,10 +151,14 @@ class PageHistory {
                                "action=history&offset={$offset}&limit={$num}")."\">".$wgLang->formatNum($num)."</a>";
                }
                $bits = implode($urls, ' | ');
-               $numbar = "$firstlast " . wfMsg("viewprevnext", 
-                               "<a href=\"$prevurl\">".wfMsg("prevn", $limit)."</a>", 
-                               "<a href=\"$nexturl\">".wfMsg("nextn", $limit)."</a>", 
-                               $bits);
+               if ($offset)
+                       $prevtext = "<a href=\"$prevurl\">".wfMsg("prevn", $limit)."</a>";
+               else    $prevtext = wfMsg("prevn", $limit);
+               if ($revs >= $limitplus)
+                       $nexttext = "<a href=\"$nexturl\">".wfMsg("nextn", $limit)."</a>";
+               else    $nexttext = wfMsg("nextn", $limit);
+
+               $numbar = "$firstlast " . wfMsg("viewprevnext", $prevtext, $nexttext, $bits);
 
                $s = $numbar;
                $s .= $this->beginHistoryList();