* (bug 2595) Show "Earlier" and "Latest" links on history go to the first/last

  page in the article history pager.

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 0e07b1a..4375dbe 100644 (file)
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -411,6 +411,8 @@ Various bugfixes, small features, and a few experimental things:
 * (bug 2583) Add --missinig option on rebuildImages.php to add db entries
   for uploaded files that don't have them
 * (bug 2572) Fix edit conflict handling
+* (bug 2595) Show "Earlier" and "Latest" links on history go to the first/last
+  page in the article history pager.
 
 
 === Caveats ===

diff --git a/includes/PageHistory.php b/includes/PageHistory.php
index 830d14f..798ab3c 100644 (file)
--- a/includes/PageHistory.php
+++ b/includes/PageHistory.php
@@ -37,7 +37,7 @@ class PageHistory {
                $fname = 'PageHistory::history';
                wfProfileIn( $fname );
 
-               $wgOut->setPageTitle( $this->mTitle->getPRefixedText() );
+               $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
                $wgOut->setSubtitle( wfMsg( 'revhistory' ) );
                $wgOut->setArticleFlag( false );
                $wgOut->setArticleRelated( true );
@@ -55,6 +55,30 @@ class PageHistory {
                $offset = $wgRequest->getText('offset');
                if (!isset($offset) || !preg_match("/^[0-9]+$/", $offset)) $offset = 0;
 
+               if (($gowhere = $wgRequest->getText("go")) !== NULL) {
+                       switch ($gowhere) {
+                       case "first":
+                               if (($lastid = $this->getLastOffset($id, $limit)) === NULL)
+                                       break;
+                               $gourl = $wgTitle->getLocalURL("action=history&limit={$limit}&offset={$lastid}");
+                               break;
+                       default:
+                               $gourl = NULL;
+                       }
+
+                       if (!is_null($gourl)) {
+                               $wgOut->redirect($gourl);
+                               return;
+                       }
+               }
+
+               $firsturl = $wgTitle->escapeLocalURL("action=history&limit={$limit}&go=first");
+               $lasturl = $wgTitle->escapeLocalURL("action=history&limit={$limit}");
+               $firsttext = wfMsg("histfirst");
+               $lasttext = wfMsg("histlast");
+
+               $firstlast = "(<a href=\"$firsturl\">$firsttext</a> | <a href=\"$lasturl\">$lasttext</a>)";
+
                /* Check one extra row to see whether we need to show 'next' and diff links */
                $limitplus = $limit + 1;
 
@@ -127,7 +151,7 @@ class PageHistory {
                                "action=history&offset={$offset}&limit={$num}")."\">".$wgLang->formatNum($num)."</a>";
                }
                $bits = implode($urls, ' | ');
-               $numbar = wfMsg("viewprevnext", 
+               $numbar = "$firstlast " . wfMsg("viewprevnext", 
                                "<a href=\"$prevurl\">".wfMsg("prevn", $limit)."</a>", 
                                "<a href=\"$nexturl\">".wfMsg("nextn", $limit)."</a>", 
                                $bits);
@@ -321,6 +345,19 @@ class PageHistory {
                }
        }
        
+       function getLastOffset($id, $step = 50) {
+               $db =& wfGetDB(DB_SLAVE);
+               $sql = "SELECT rev_timestamp FROM revision WHERE rev_page = $id ORDER BY rev_timestamp ASC LIMIT $step";
+               $res = $db->query($sql, "getLastOffset");
+               $n = $db->numRows($res);
+
+               if ($n == 0)
+                       return NULL;
+
+               while ($n--)
+                       $obj = $db->fetchObject($res);
+               return $obj->rev_timestamp;
+       }
 }
 
 ?>

diff --git a/languages/Language.php b/languages/Language.php
index 27d3344..045f26f 100644 (file)
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -774,6 +774,8 @@ Legend: (cur) = difference with current version,
 (last) = difference with preceding version, M = minor edit.',
 'history_copyright'    => '-',
 'deletedrev' => '[deleted]',
+'histfirst' => 'Earliest',
+'histlast' => 'Latest',
 
 # Diffs
 #