* Only show most recent 5000 revisions on Special:Undelete by default. Accept

  limit and offset parameters. Undelete with no revisions selected still
  undeletes all revisions, regardless of how many are displayed.

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 57fdaa2..0dcc80f 100644 (file)
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -87,6 +87,9 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
   does not exists
 * (bug 8396) Ignore out-of-date serialised message caches
 * (bug 12195) Undeleting pages now requires 'undelete' permission
+* Only show most recent 5000 revisions on Special:Undelete by default. Accept
+  limit and offset parameters. Undelete with no revisions selected still
+  undeletes all revisions, regardless of how many are displayed.
 
 === Bug fixes in 1.12 ===
 

diff --git a/includes/SpecialUndelete.php b/includes/SpecialUndelete.php
index 06d66a2..a49bd71 100644 (file)
--- a/includes/SpecialUndelete.php
+++ b/includes/SpecialUndelete.php
@@ -97,14 +97,19 @@ class PageArchive {
         *
         * @return ResultWrapper
         */
-       function listRevisions() {
+       function listRevisions( $startTime, $limit ) {
+               $whereClause = array( 'ar_namespace' => $this->title->getNamespace(),
+                       'ar_title' => $this->title->getDBkey() );
+               if ( $startTime )
+                       $whereClause[] = "ar_timestamp < $startTime";
+       
                $dbr = wfGetDB( DB_SLAVE );
                $res = $dbr->select( 'archive',
                        array( 'ar_minor_edit', 'ar_timestamp', 'ar_user', 'ar_user_text', 'ar_comment', 'ar_len' ),
-                       array( 'ar_namespace' => $this->title->getNamespace(),
-                              'ar_title' => $this->title->getDBkey() ),
+                       $whereClause,
                        'PageArchive::listRevisions',
-                       array( 'ORDER BY' => 'ar_timestamp DESC' ) );
+                       array( 'ORDER BY' => 'ar_timestamp DESC',
+                                       'LIMIT'   => intval($limit) ) );
                $ret = $dbr->resultObject( $res );
                return $ret;
        }
@@ -822,7 +827,7 @@ class UndeleteForm {
        }
 
        /* private */ function showHistory() {
-               global $wgLang, $wgContLang, $wgUser, $wgOut;
+               global $wgLang, $wgContLang, $wgUser, $wgOut, $wgRequest;
 
                $sk = $wgUser->getSkin();
                if ( $this->mAllowed ) {
@@ -846,12 +851,28 @@ class UndeleteForm {
                }
 
                # List all stored revisions
-               $revisions = $archive->listRevisions();
+               $tmpLimit = $wgRequest->getIntOrNull ( 'limit' );
+               $tmpLimit = (is_null($tmpLimit))? 5001 : $tmpLimit + 1;
+               $revisions = $archive->listRevisions( $wgRequest->getVal ( 'offset' ),
+                       $tmpLimit );
                $files = $archive->listFiles();
 
                $haveRevisions = $revisions && $revisions->numRows() > 0;
                $haveFiles = $files && $files->numRows() > 0;
 
+               $hasMore = false;
+               if ( $revisions && $revisions->numRows() >= $tmpLimit ) {
+                       $revisions->seek ( $revisions->numRows() - 2 );
+                       $tmp = $revisions->fetchObject();
+                       $revisions->rewind ( );
+
+                       $titleObj = SpecialPage::getTitleFor ( 'Undelete' );
+                       $tmplink = $sk->makeKnownLinkObj ( $titleObj, wfMsg( 'undelete-next-revs', 5000 ), 
+                               "target={$this->mTarget}&limit=5000&offset={$tmp->ar_timestamp}" );
+       
+                       $wgOut->addHTML ( wfMsg ( 'undelete-more-revs', $tmpLimit - 1, $tmplink ) );
+                       $hasMore = true;
+               }
                # Batch existence check on user and talk pages
                if( $haveRevisions ) {
                        $batch = new LinkBatch();
@@ -935,16 +956,17 @@ class UndeleteForm {
                        $target = urlencode( $this->mTarget );
                        $remaining = $revisions->numRows();
                        $earliestLiveTime = $this->getEarliestTime( $this->mTargetObj );
-                       
-                       while( $row = $revisions->fetchObject() ) {
-                               $remaining--;
+
+                       if ( $hasMore ) $remaining --;
+
+                       while( ( $row = $revisions->fetchObject() ) && $remaining-- ) {
                                $ts = wfTimestamp( TS_MW, $row->ar_timestamp );
                                if ( $this->mAllowed ) {
                                        $checkBox = Xml::check( "ts$ts" );
                                        $pageLink = $sk->makeKnownLinkObj( $titleObj,
                                                $wgLang->timeanddate( $ts, true ),
                                                "target=$target&timestamp=$ts" );
-                                       if( ($remaining > 0) ||
+                                       if( ($remaining > 0 || $hasMore ) ||
                                                        ($earliestLiveTime && $ts > $earliestLiveTime ) ) {
                                                $diffLink = '(' .
                                                        $sk->makeKnownLinkObj( $titleObj,

diff --git a/languages/messages/MessagesEn.php b/languages/messages/MessagesEn.php
index 6fd29e4..af01d52 100644 (file)
--- a/languages/messages/MessagesEn.php
+++ b/languages/messages/MessagesEn.php
@@ -2006,6 +2006,9 @@ Consult the [[Special:Log/delete|deletion log]] for a record of recent deletions
        'It may have already been undeleted.',
 'undelete-error-short'     => 'Error undeleting file: $1',
 'undelete-error-long'      => "Errors were encountered while undeleting the file:\n\n$1",
+'undelete-more-revs'       => '<b><font style="color: red">WARNING!</font> This page has more deleted revisions than are displayed here.</b><br />
+$1 revisions are displayed below. You may select revisions from this list or select none to restore all revisions (including those not displayed). ($2)',
+'undelete-next-revs'       => 'View next $1 revisions',
 
 # Namespace form on various pages
 'namespace'      => 'Namespace:',