Page move undo feature

[lhc/web/wiklou.git] / includes / SpecialLog.php

diff --git a/includes/SpecialLog.php b/includes/SpecialLog.php
index a7c01e5..4a04482 100644 (file)
--- a/includes/SpecialLog.php
+++ b/includes/SpecialLog.php
@@ -231,8 +231,28 @@ class LogViewer {
         * @param OutputPage $out where to send output
         */
        function showList( &$out ) {
-               $html = "\n<ul>\n";
+               global $wgLinkCache;
                $result = $this->reader->getRows();
+
+               // Fetch results and form a batch link existence query
+               $batch = new LinkBatch;
+               while ( $s = $result->fetchObject() ) {
+                       // User link
+                       $title = Title::makeTitleSafe( NS_USER, $s->user_name );
+                       $batch->addObj( $title );
+
+                       // Move destination link
+                       if ( $s->log_type == 'move' ) {
+                               $paramArray = LogPage::extractParams( $s->log_params );
+                               $title = Title::newFromText( $paramArray[0] );
+                               $batch->addObj( $title );
+                       }
+               }
+               $batch->execute( $wgLinkCache );
+
+               // Rewind result pointer and go through it again, making the HTML
+               $result->seek( 0 );
+               $html = "\n<ul>\n";
                while( $s = $result->fetchObject() ) {
                        $html .= $this->logLine( $s );
                }
@@ -247,21 +267,37 @@ class LogViewer {
         * @private
         */
        function logLine( $s ) {
-               global $wgLang;
+               global $wgLang, $wgLinkCache;
                $title = Title::makeTitle( $s->log_namespace, $s->log_title );
                $user = Title::makeTitleSafe( NS_USER, $s->user_name );
                $time = $wgLang->timeanddate( $s->log_timestamp, true );
+
+               // Enter the existence or non-existence of this page into the link cache,
+               // for faster makeLinkObj() in LogPage::actionText()
                if( $s->page_id ) {
-                       $titleLink = $this->skin->makeKnownLinkObj( $title );
+                       $wgLinkCache->addGoodLink( $s->page_id, $title->getPrefixedText() );
                } else {
-                       $titleLink = $this->skin->makeBrokenLinkObj( $title );
+                       $wgLinkCache->addBadLink( $title->getPrefixedText() );
                }
+               
                $userLink = $this->skin->makeLinkObj( $user, htmlspecialchars( $s->user_name ) );
                $comment = $this->skin->commentBlock( $s->log_comment );
                $paramArray = LogPage::extractParams( $s->log_params );
-               
-               $action = LogPage::actionText( $s->log_type, $s->log_action, $titleLink, $paramArray );
-               $out = "<li>$time $userLink $action $comment</li>\n";
+               $revert = '';
+               if ( $s->log_type == 'move' && isset( $paramArray[0] ) ) {
+                       $specialTitle = Title::makeTitle( NS_SPECIAL, 'Movepage' );
+                       $destTitle = Title::newFromText( $paramArray[0] );
+                       if ( $destTitle ) {
+                               $revert = '(' . $this->skin->makeKnownLinkObj( $specialTitle, wfMsg( 'revertmove' ),
+                                       'wpOldTitle=' . urlencode( $destTitle->getPrefixedDBkey() ) . 
+                                       '&wpNewTitle=' . urlencode( $title->getPrefixedDBkey() ) .
+                                       '&wpReason=' . urlencode( wfMsgForContent( 'revertmove' ) ) .
+                                       '&wpMovetalk=0' ) . ')';
+                       }
+               }
+
+               $action = LogPage::actionText( $s->log_type, $s->log_action, $title, $this->skin, $paramArray, true );
+               $out = "<li>$time $userLink $action $comment $revert</li>\n";
                return $out;
        }