Merge "Support deleting all rows"

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

diff --git a/includes/Linker.php b/includes/Linker.php
index 083845d..ae334c6 100644 (file)
--- a/includes/Linker.php
+++ b/includes/Linker.php
@@ -1673,6 +1673,8 @@ class Linker {
         * @return String: HTML fragment
         */
        public static function buildRollbackLink( $rev, IContextSource $context = null ) {
+               global $wgShowRollbackEditCount;
+
                if ( $context === null ) {
                        $context = RequestContext::getMain();
                }
@@ -1687,13 +1689,50 @@ class Linker {
                        $query['bot'] = '1';
                        $query['hidediff'] = '1'; // bug 15999
                }
-               return self::link(
-                       $title,
-                       $context->msg( 'rollbacklink' )->escaped(),
-                       array( 'title' => $context->msg( 'tooltip-rollback' )->text() ),
-                       $query,
-                       array( 'known', 'noclasses' )
-               );
+
+               if( is_int( $wgShowRollbackEditCount ) && $wgShowRollbackEditCount > 0 ) {
+                       $dbr = wfGetDB( DB_SLAVE );
+
+                       // Up to the value of $wgShowRollbackEditCount revisions are counted
+                       $res = $dbr->select( 'revision',
+                               array( 'rev_id', 'rev_user_text' ),
+                               array( 'rev_page' => $rev->getPage() ),
+                               __METHOD__,
+                               array(  'USE INDEX' => 'page_timestamp',
+                                       'ORDER BY' => 'rev_timestamp DESC',
+                                       'LIMIT' => $wgShowRollbackEditCount + 1 )
+                       );
+
+                       $editCount = 0;
+                       while( $row = $dbr->fetchObject( $res ) ) {
+                               if( $rev->getUserText() != $row->rev_user_text ) {
+                                       break;
+                               }
+                               $editCount++;
+                       }
+
+                       if( $editCount > $wgShowRollbackEditCount ) {
+                               $editCount_output = $context->msg( 'rollbacklinkcount-morethan' )->numParams( $wgShowRollbackEditCount )->parse();
+                       } else {
+                               $editCount_output = $context->msg( 'rollbacklinkcount' )->numParams( $editCount )->parse();
+                       }
+
+                       return self::link(
+                               $title,
+                               $editCount_output,
+                               array( 'title' => $context->msg( 'tooltip-rollback' )->text() ),
+                               $query,
+                               array( 'known', 'noclasses' )
+                       );
+               } else {
+                       return self::link(
+                               $title,
+                               $context->msg( 'rollbacklink' )->escaped(),
+                               array( 'title' => $context->msg( 'tooltip-rollback' )->text() ),
+                               $query,
+                               array( 'known', 'noclasses' )
+                       );
+               }
        }
 
        /**