]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - includes/ChangesList.php
MediaWiki 1.30.2
[autoinstallsdev/mediawiki.git] / includes / ChangesList.php
diff --git a/includes/ChangesList.php b/includes/ChangesList.php
deleted file mode 100644 (file)
index 8d0f950..0000000
+++ /dev/null
@@ -1,707 +0,0 @@
-<?php
-
-/**
- * @todo document
- */
-class RCCacheEntry extends RecentChange
-{
-       var $secureName, $link;
-       var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
-       var $userlink, $timestamp, $watched;
-
-       static function newFromParent( $rc ) {
-               $rc2 = new RCCacheEntry;
-               $rc2->mAttribs = $rc->mAttribs;
-               $rc2->mExtra = $rc->mExtra;
-               return $rc2;
-       }
-} ;
-
-/**
- * Class to show various lists of changes:
- * - what links here
- * - related changes
- * - recent changes
- */
-class ChangesList {
-       # Called by history lists and recent changes
-       #
-
-       /** @todo document */
-       function __construct( &$skin ) {
-               $this->skin =& $skin;
-               $this->preCacheMessages();
-       }
-
-       /**
-        * Fetch an appropriate changes list class for the specified user
-        * Some users might want to use an enhanced list format, for instance
-        *
-        * @param $user User to fetch the list class for
-        * @return ChangesList derivative
-        */
-       public static function newFromUser( &$user ) {
-               $sk = $user->getSkin();
-               $list = NULL;
-               if( wfRunHooks( 'FetchChangesList', array( &$user, &$sk, &$list ) ) ) {
-                       return $user->getOption( 'usenewrc' ) ? new EnhancedChangesList( $sk ) : new OldChangesList( $sk );
-               } else {
-                       return $list;
-               }
-       }
-
-       /**
-        * As we use the same small set of messages in various methods and that
-        * they are called often, we call them once and save them in $this->message
-        */
-       function preCacheMessages() {
-               // Precache various messages
-               if( !isset( $this->message ) ) {
-                       foreach( explode(' ', 'cur diff hist minoreditletter newpageletter last '.
-                               'blocklink history boteditletter' ) as $msg ) {
-                               $this->message[$msg] = wfMsgExt( $msg, array( 'escape') );
-                       }
-               }
-       }
-
-
-       /**
-        * Returns the appropriate flags for new page, minor change and patrolling
-        */
-       function recentChangesFlags( $new, $minor, $patrolled, $nothing = '&nbsp;', $bot = false ) {
-               $f = $new ? '<span class="newpage">' . $this->message['newpageletter'] . '</span>'
-                               : $nothing;
-               $f .= $minor ? '<span class="minor">' . $this->message['minoreditletter'] . '</span>'
-                               : $nothing;
-               $f .= $bot ? '<span class="bot">' . $this->message['boteditletter'] . '</span>' : $nothing;
-               $f .= $patrolled ? '<span class="unpatrolled">!</span>' : $nothing;
-               return $f;
-       }
-
-       /**
-        * Returns text for the start of the tabular part of RC
-        */
-       function beginRecentChangesList() {
-               $this->rc_cache = array();
-               $this->rcMoveIndex = 0;
-               $this->rcCacheIndex = 0;
-               $this->lastdate = '';
-               $this->rclistOpen = false;
-               return '';
-       }
-
-       /**
-        * Returns text for the end of RC
-        */
-       function endRecentChangesList() {
-               if( $this->rclistOpen ) {
-                       return "</ul>\n";
-               } else {
-                       return '';
-               }
-       }
-
-
-       function insertMove( &$s, $rc ) {
-               # Diff
-               $s .= '(' . $this->message['diff'] . ') (';
-               # Hist
-               $s .= $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), $this->message['hist'], 'action=history' ) .
-                       ') . . ';
-
-               # "[[x]] moved to [[y]]"
-               $msg = ( $rc->mAttribs['rc_type'] == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
-               $s .= wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
-                       $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
-       }
-
-       function insertDateHeader(&$s, $rc_timestamp) {
-               global $wgLang;
-
-               # Make date header if necessary
-               $date = $wgLang->date( $rc_timestamp, true, true );
-               $s = '';
-               if( $date != $this->lastdate ) {
-                       if( '' != $this->lastdate ) {
-                               $s .= "</ul>\n";
-                       }
-                       $s .= '<h4>'.$date."</h4>\n<ul class=\"special\">";
-                       $this->lastdate = $date;
-                       $this->rclistOpen = true;
-               }
-       }
-
-       function insertLog(&$s, $title, $logtype) {
-               $logname = LogPage::logName( $logtype );
-               $s .= '(' . $this->skin->makeKnownLinkObj($title, $logname ) . ')';
-       }
-
-
-       function insertDiffHist(&$s, &$rc, $unpatrolled) {
-               # Diff link
-               if( $rc->mAttribs['rc_type'] == RC_NEW || $rc->mAttribs['rc_type'] == RC_LOG ) {
-                       $diffLink = $this->message['diff'];
-               } else {
-                       $rcidparam = $unpatrolled
-                               ? array( 'rcid' => $rc->mAttribs['rc_id'] )
-                               : array();
-                       $diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'],
-                               wfArrayToCGI( array(
-                                       'curid' => $rc->mAttribs['rc_cur_id'],
-                                       'diff'  => $rc->mAttribs['rc_this_oldid'],
-                                       'oldid' => $rc->mAttribs['rc_last_oldid'] ),
-                                       $rcidparam ),
-                               '', '', ' tabindex="'.$rc->counter.'"');
-               }
-               $s .= '('.$diffLink.') (';
-
-               # History link
-               $s .= $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['hist'],
-                       wfArrayToCGI( array(
-                               'curid' => $rc->mAttribs['rc_cur_id'],
-                               'action' => 'history' ) ) );
-               $s .= ') . . ';
-       }
-
-       function insertArticleLink(&$s, &$rc, $unpatrolled, $watched) {
-               # Article link
-               # If it's a new article, there is no diff link, but if it hasn't been
-               # patrolled yet, we need to give users a way to do so
-               $params = ( $unpatrolled && $rc->mAttribs['rc_type'] == RC_NEW )
-                       ? 'rcid='.$rc->mAttribs['rc_id']
-                       : '';
-               $articlelink = ' '. $this->skin->makeKnownLinkObj( $rc->getTitle(), '', $params );
-               if( $watched )
-                       $articlelink = "<strong class=\"mw-watched\">{$articlelink}</strong>";
-               global $wgContLang;
-               $articlelink .= $wgContLang->getDirMark();
-
-               $s .= ' '.$articlelink;
-       }
-
-       function insertTimestamp(&$s, $rc) {
-               global $wgLang;
-               # Timestamp
-               $s .= '; ' . $wgLang->time( $rc->mAttribs['rc_timestamp'], true, true ) . ' . . ';
-       }
-
-       /** Insert links to user page, user talk page and eventually a blocking link */
-       function insertUserRelatedLinks(&$s, &$rc) {
-               $s .= $this->skin->userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
-               $s .= $this->skin->userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
-       }
-
-       /** insert a formatted comment */
-       function insertComment(&$s, &$rc) {
-               # Add comment
-               if( $rc->mAttribs['rc_type'] != RC_MOVE && $rc->mAttribs['rc_type'] != RC_MOVE_OVER_REDIRECT ) {
-                       $s .= $this->skin->commentBlock( $rc->mAttribs['rc_comment'], $rc->getTitle() );
-               }
-       }
-
-       /**
-        * Check whether to enable recent changes patrol features
-        * @return bool
-        */
-       function usePatrol() {
-               global $wgUseRCPatrol, $wgUser;
-               return( $wgUseRCPatrol && ($wgUser->isAllowed('patrol') || $wgUser->isAllowed('patrolmarks')) );
-       }
-
-       /**
-        * Returns the string which indicates the number of watching users
-        */
-       function numberofWatchingusers( $count ) {
-               global $wgLang;
-               static $cache = array();
-               if ( $count > 0 ) {
-                       if ( !isset( $cache[$count] ) ) {
-                               $cache[$count] = wfMsgExt('number_of_watching_users_RCview',
-                                       array('parsemag', 'escape'), $wgLang->formatNum($count));
-                       }
-                       return $cache[$count];
-               } else {
-                       return '';
-               }
-       }
-}
-
-
-/**
- * Generate a list of changes using the good old system (no javascript)
- */
-class OldChangesList extends ChangesList {
-       /**
-        * Format a line using the old system (aka without any javascript).
-        */
-       function recentChangesLine( &$rc, $watched = false ) {
-               global $wgContLang, $wgRCShowChangedSize;
-
-               $fname = 'ChangesList::recentChangesLineOld';
-               wfProfileIn( $fname );
-
-               # Extract DB fields into local scope
-               // FIXME: Would be good to replace this extract() call with something that explicitly initializes local variables.
-               extract( $rc->mAttribs );
-
-               # Should patrol-related stuff be shown?
-               $unpatrolled = $this->usePatrol() && $rc_patrolled == 0;
-
-               $this->insertDateHeader($s,$rc_timestamp);
-
-               $s .= '<li>';
-
-               // moved pages
-               if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
-                       $this->insertMove( $s, $rc );
-               // log entries
-               } elseif ( $rc_namespace == NS_SPECIAL ) {
-                       list( $specialName, $specialSubpage ) = SpecialPage::resolveAliasWithSubpage( $rc_title );
-                       if ( $specialName == 'Log' ) {
-                               $this->insertLog( $s, $rc->getTitle(), $specialSubpage );
-                       } else {
-                               wfDebug( "Unexpected special page in recentchanges\n" );
-                       }
-               // all other stuff
-               } else {
-                       wfProfileIn($fname.'-page');
-
-                       $this->insertDiffHist($s, $rc, $unpatrolled);
-
-                       # M, N, b and ! (minor, new, bot and unpatrolled)
-                       $s .= ' ' . $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $unpatrolled, '', $rc_bot );
-                       $this->insertArticleLink($s, $rc, $unpatrolled, $watched);
-
-                       wfProfileOut($fname.'-page');
-               }
-
-               wfProfileIn( $fname.'-rest' );
-
-               $this->insertTimestamp($s,$rc);
-
-               if( $wgRCShowChangedSize ) {
-                       $s .= ( $rc->getCharacterDifference() == '' ? '' : $rc->getCharacterDifference() . ' . . ' );
-               }
-
-               $this->insertUserRelatedLinks($s,$rc);
-               $this->insertComment($s, $rc);
-
-               $s .=  rtrim(' ' . $this->numberofWatchingusers($rc->numberofWatchingusers));
-
-               $s .= "</li>\n";
-
-               wfProfileOut( $fname.'-rest' );
-
-               wfProfileOut( $fname );
-               return $s;
-       }
-}
-
-
-/**
- * Generate a list of changes using an Enhanced system (use javascript).
- */
-class EnhancedChangesList extends ChangesList {
-       /**
-        * Format a line for enhanced recentchange (aka with javascript and block of lines).
-        */
-       function recentChangesLine( &$baseRC, $watched = false ) {
-               global $wgLang, $wgContLang;
-
-               # Create a specialised object
-               $rc = RCCacheEntry::newFromParent( $baseRC );
-
-               # Extract fields from DB into the function scope (rc_xxxx variables)
-               // FIXME: Would be good to replace this extract() call with something that explicitly initializes local variables.
-               extract( $rc->mAttribs );
-               $curIdEq = 'curid=' . $rc_cur_id;
-
-               # If it's a new day, add the headline and flush the cache
-               $date = $wgLang->date( $rc_timestamp, true);
-               $ret = '';
-               if( $date != $this->lastdate ) {
-                       # Process current cache
-                       $ret = $this->recentChangesBlock();
-                       $this->rc_cache = array();
-                       $ret .= "<h4>{$date}</h4>\n";
-                       $this->lastdate = $date;
-               }
-
-               # Should patrol-related stuff be shown?
-               if( $this->usePatrol() ) {
-                       $rc->unpatrolled = !$rc_patrolled;
-               } else {
-                       $rc->unpatrolled = false;
-               }
-
-               # Make article link
-               if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
-                       $msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
-                       $clink = wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
-                         $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
-               } elseif( $rc_namespace == NS_SPECIAL ) {
-                       list( $specialName, $logtype ) = SpecialPage::resolveAliasWithSubpage( $rc_title );
-                       if ( $specialName == 'Log' ) {
-                               # Log updates, etc
-                               $logname = LogPage::logName( $logtype );
-                               $clink = '(' . $this->skin->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
-                       } else {
-                               wfDebug( "Unexpected special page in recentchanges\n" );
-                               $clink = '';
-                       }
-               } elseif( $rc->unpatrolled && $rc_type == RC_NEW ) {
-                       # Unpatrolled new page, give rc_id in query
-                       $clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
-               } else {
-                       $clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '' );
-               }
-
-               $time = $wgContLang->time( $rc_timestamp, true, true );
-               $rc->watched = $watched;
-               $rc->link = $clink;
-               $rc->timestamp = $time;
-               $rc->numberofWatchingusers = $baseRC->numberofWatchingusers;
-
-               # Make "cur" and "diff" links
-               if( $rc->unpatrolled ) {
-                       $rcIdQuery = "&rcid={$rc_id}";
-               } else {
-                       $rcIdQuery = '';
-               }
-               $querycur = $curIdEq."&diff=0&oldid=$rc_this_oldid";
-               $querydiff = $curIdEq."&diff=$rc_this_oldid&oldid=$rc_last_oldid$rcIdQuery";
-               $aprops = ' tabindex="'.$baseRC->counter.'"';
-               $curLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['cur'], $querycur, '' ,'', $aprops );
-               if( $rc_type == RC_NEW || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
-                       if( $rc_type != RC_NEW ) {
-                               $curLink = $this->message['cur'];
-                       }
-                       $diffLink = $this->message['diff'];
-               } else {
-                       $diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'], $querydiff, '' ,'', $aprops );
-               }
-
-               # Make "last" link
-               if( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
-                       $lastLink = $this->message['last'];
-               } else {
-                       $lastLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['last'],
-                         $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid . $rcIdQuery );
-               }
-
-               $rc->userlink = $this->skin->userLink( $rc_user, $rc_user_text );
-
-               $rc->lastlink = $lastLink;
-               $rc->curlink  = $curLink;
-               $rc->difflink = $diffLink;
-
-               $rc->usertalklink = $this->skin->userToolLinks( $rc_user, $rc_user_text );
-
-               # Put accumulated information into the cache, for later display
-               # Page moves go on their own line
-               $title = $rc->getTitle();
-               $secureName = $title->getPrefixedDBkey();
-               if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
-                       # Use an @ character to prevent collision with page names
-                       $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
-               } else {
-                       if( !isset ( $this->rc_cache[$secureName] ) ) {
-                               $this->rc_cache[$secureName] = array();
-                       }
-                       array_push( $this->rc_cache[$secureName], $rc );
-               }
-               return $ret;
-       }
-
-       /**
-        * Enhanced RC group
-        */
-       function recentChangesBlockGroup( $block ) {
-               global $wgLang, $wgContLang, $wgRCShowChangedSize;
-               $r = '';
-
-               # Collate list of users
-               $isnew = false;
-               $unpatrolled = false;
-               $userlinks = array();
-               foreach( $block as $rcObj ) {
-                       $oldid = $rcObj->mAttribs['rc_last_oldid'];
-                       if( $rcObj->mAttribs['rc_new'] ) {
-                               $isnew = true;
-                       }
-                       $u = $rcObj->userlink;
-                       if( !isset( $userlinks[$u] ) ) {
-                               $userlinks[$u] = 0;
-                       }
-                       if( $rcObj->unpatrolled ) {
-                               $unpatrolled = true;
-                       }
-                       $bot = $rcObj->mAttribs['rc_bot'];
-                       $userlinks[$u]++;
-               }
-
-               # Sort the list and convert to text
-               krsort( $userlinks );
-               asort( $userlinks );
-               $users = array();
-               foreach( $userlinks as $userlink => $count) {
-                       $text = $userlink;
-                       $text .= $wgContLang->getDirMark();
-                       if( $count > 1 ) {
-                               $text .= ' ('.$count.'&times;)';
-                       }
-                       array_push( $users, $text );
-               }
-
-               $users = ' <span class="changedby">['.implode('; ',$users).']</span>';
-
-               # Arrow
-               $rci = 'RCI'.$this->rcCacheIndex;
-               $rcl = 'RCL'.$this->rcCacheIndex;
-               $rcm = 'RCM'.$this->rcCacheIndex;
-               $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')";
-               $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'">' . $this->sideArrow() . '</a></span>';
-               $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'">' . $this->downArrow() . '</a></span>';
-               $r .= $tl;
-
-               # Main line
-               $r .= '<tt>';
-               $r .= $this->recentChangesFlags( $isnew, false, $unpatrolled, '&nbsp;', $bot );
-
-               # Timestamp
-               $r .= ' '.$block[0]->timestamp.' </tt>';
-
-               # Article link
-               $r .= $this->maybeWatchedLink( $block[0]->link, $block[0]->watched );
-               $r .= $wgContLang->getDirMark();
-
-               $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
-               $currentRevision = $block[0]->mAttribs['rc_this_oldid'];
-               if( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
-                       # Changes
-
-                       $n = count($block);
-                       static $nchanges = array();
-                       if ( !isset( $nchanges[$n] ) ) {
-                               $nchanges[$n] = wfMsgExt( 'nchanges', array( 'parsemag', 'escape'),
-                                       $wgLang->formatNum( $n ) );
-                       }
-
-                       $r .= ' (';
-
-                       if( $isnew ) {
-                               $r .= $nchanges[$n];
-                       } else {
-                               $r .= $this->skin->makeKnownLinkObj( $block[0]->getTitle(),
-                                       $nchanges[$n], $curIdEq."&diff=$currentRevision&oldid=$oldid" );
-                       }
-
-                       $r .= ') . . ';
-
-                       if( $wgRCShowChangedSize ) {
-                               # Character difference
-                               $chardiff = $rcObj->getCharacterDifference( $block[ count( $block ) - 1 ]->mAttribs['rc_old_len'],
-                                               $block[0]->mAttribs['rc_new_len'] );
-                               if( $chardiff == '' ) {
-                                       $r .= ' (';
-                               } else {
-                                       $r .= ' ' . $chardiff. ' . . ';
-                               }
-                       }       
-
-                       # History
-                       $r .= '(' . $this->skin->makeKnownLinkObj( $block[0]->getTitle(),
-                               $this->message['history'], $curIdEq.'&action=history' );
-                       $r .= ')';
-               }
-
-               $r .= $users;
-
-               $r .= $this->numberofWatchingusers($block[0]->numberofWatchingusers);
-               $r .= "<br />\n";
-
-               # Sub-entries
-               $r .= '<div id="'.$rci.'" style="display:none">';
-               foreach( $block as $rcObj ) {
-                       # Get rc_xxxx variables
-                       // FIXME: Would be good to replace this extract() call with something that explicitly initializes local variables.
-                       extract( $rcObj->mAttribs );
-
-                       $r .= $this->spacerArrow();
-                       $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;';
-                       $r .= $this->recentChangesFlags( $rc_new, $rc_minor, $rcObj->unpatrolled, '&nbsp;', $rc_bot );
-                       $r .= '&nbsp;</tt>';
-
-                       $o = '';
-                       if( $rc_this_oldid != 0 ) {
-                               $o = 'oldid='.$rc_this_oldid;
-                       }
-                       if( $rc_type == RC_LOG ) {
-                               $link = $rcObj->timestamp;
-                       } else {
-                               $link = $this->skin->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp, $curIdEq.'&'.$o );
-                       }
-                       $link = '<tt>'.$link.'</tt>';
-
-                       $r .= $link;
-                       $r .= ' (';
-                       $r .= $rcObj->curlink;
-                       $r .= '; ';
-                       $r .= $rcObj->lastlink;
-                       $r .= ') . . ';
-
-                       # Character diff
-                       if( $wgRCShowChangedSize ) {
-                               $r .= ( $rcObj->getCharacterDifference() == '' ? '' : $rcObj->getCharacterDifference() . ' . . ' ) ;
-                       }
-
-                       $r .= $rcObj->userlink;
-                       $r .= $rcObj->usertalklink;
-                       $r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
-                       $r .= "<br />\n";
-               }
-               $r .= "</div>\n";
-
-               $this->rcCacheIndex++;
-               return $r;
-       }
-
-       function maybeWatchedLink( $link, $watched=false ) {
-               if( $watched ) {
-                       // FIXME: css style might be more appropriate
-                       return '<strong class="mw-watched">' . $link . '</strong>';
-               } else {
-                       return $link;
-               }
-       }
-
-       /**
-        * Generate HTML for an arrow or placeholder graphic
-        * @param string $dir one of '', 'd', 'l', 'r'
-        * @param string $alt text
-        * @return string HTML <img> tag
-        * @access private
-        */
-       function arrow( $dir, $alt='' ) {
-               global $wgStylePath;
-               $encUrl = htmlspecialchars( $wgStylePath . '/common/images/Arr_' . $dir . '.png' );
-               $encAlt = htmlspecialchars( $alt );
-               return "<img src=\"$encUrl\" width=\"12\" height=\"12\" alt=\"$encAlt\" />";
-       }
-
-       /**
-        * Generate HTML for a right- or left-facing arrow,
-        * depending on language direction.
-        * @return string HTML <img> tag
-        * @access private
-        */
-       function sideArrow() {
-               global $wgContLang;
-               $dir = $wgContLang->isRTL() ? 'l' : 'r';
-               return $this->arrow( $dir, '+' );
-       }
-
-       /**
-        * Generate HTML for a down-facing arrow
-        * depending on language direction.
-        * @return string HTML <img> tag
-        * @access private
-        */
-       function downArrow() {
-               return $this->arrow( 'd', '-' );
-       }
-
-       /**
-        * Generate HTML for a spacer image
-        * @return string HTML <img> tag
-        * @access private
-        */
-       function spacerArrow() {
-               return $this->arrow( '', ' ' );
-       }
-
-       /**
-        * Enhanced RC ungrouped line.
-        * @return string a HTML formated line (generated using $r)
-        */
-       function recentChangesBlockLine( $rcObj ) {
-               global $wgContLang, $wgRCShowChangedSize;
-
-               # Get rc_xxxx variables
-               // FIXME: Would be good to replace this extract() call with something that explicitly initializes local variables.
-               extract( $rcObj->mAttribs );
-               $curIdEq = 'curid='.$rc_cur_id;
-
-               $r = '';
-
-               # Spacer image
-               $r .= $this->spacerArrow();
-
-               # Flag and Timestamp
-               $r .= '<tt>';
-
-               if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
-                       $r .= '&nbsp;&nbsp;&nbsp;';
-               } else {
-                       $r .= $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $rcObj->unpatrolled, '&nbsp;', $rc_bot );
-               }
-               $r .= ' '.$rcObj->timestamp.' </tt>';
-
-               # Article link
-               $r .= $this->maybeWatchedLink( $rcObj->link, $rcObj->watched );
-
-               # Diff
-               $r .= ' ('. $rcObj->difflink .'; ';
-
-               # Hist
-               $r .= $this->skin->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' ) . ') . . ';
-
-               # Character diff
-               if( $wgRCShowChangedSize ) {
-                       $r .= ( $rcObj->getCharacterDifference() == '' ? '' : '&nbsp;' . $rcObj->getCharacterDifference() . ' . . ' ) ;
-               }
-
-               # User/talk
-               $r .= $rcObj->userlink . $rcObj->usertalklink;
-
-               # Comment
-               if( $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
-                       $r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
-               }
-
-               $r .= $this->numberofWatchingusers($rcObj->numberofWatchingusers);
-
-               $r .= "<br />\n";
-               return $r;
-       }
-
-       /**
-        * If enhanced RC is in use, this function takes the previously cached
-        * RC lines, arranges them, and outputs the HTML
-        */
-       function recentChangesBlock() {
-               if( count ( $this->rc_cache ) == 0 ) {
-                       return '';
-               }
-               $blockOut = '';
-               foreach( $this->rc_cache as $block ) {
-                       if( count( $block ) < 2 ) {
-                               $blockOut .= $this->recentChangesBlockLine( array_shift( $block ) );
-                       } else {
-                               $blockOut .= $this->recentChangesBlockGroup( $block );
-                       }
-               }
-
-               return '<div>'.$blockOut.'</div>';
-       }
-
-       /**
-        * Returns text for the end of RC
-        * If enhanced RC is in use, returns pretty much all the text
-        */
-       function endRecentChangesList() {
-               return $this->recentChangesBlock() . parent::endRecentChangesList();
-       }
-
-}
-