includes/ChangesList.php

   1 <?php
   2 /**
   3  * Classes to show various lists of changes:
   4  * - watchlist
   5  * - related changes
   6  * - recent changes
   7  *
   8  * @file
   9  */
  10
  11 /**
  12  * @todo document
  13  */
  14 class RCCacheEntry extends RecentChange {
  15         var $secureName, $link;
  16         var $curlink , $difflink, $lastlink, $usertalklink, $versionlink;
  17         var $userlink, $timestamp, $watched;
  18
  19         /**
  20          * @param $rc RecentChange
  21          * @return RCCacheEntry
  22          */
  23         static function newFromParent( $rc ) {
  24                 $rc2 = new RCCacheEntry;
  25                 $rc2->mAttribs = $rc->mAttribs;
  26                 $rc2->mExtra = $rc->mExtra;
  27                 return $rc2;
  28         }
  29 }
  30
  31 /**
  32  * Base class for all changes lists
  33  */
  34 class ChangesList extends ContextSource {
  35
  36         /**
  37          * @var Skin
  38          */
  39         public $skin;
  40
  41         protected $watchlist = false;
  42
  43         protected $message;
  44
  45         /**
  46          * Changeslist contructor
  47          *
  48          * @param $obj Skin or IContextSource
  49          */
  50         public function __construct( $obj ) {
  51                 if ( $obj instanceof IContextSource ) {
  52                         $this->setContext( $obj );
  53                         $this->skin = $obj->getSkin();
  54                 } else {
  55                         $this->setContext( $obj->getContext() );
  56                         $this->skin = $obj;
  57                 }
  58                 $this->preCacheMessages();
  59         }
  60
  61         /**
  62          * Fetch an appropriate changes list class for the main context
  63          * This first argument used to be an User object.
  64          *
  65          * @deprecated in 1.18; use newFromContext() instead
  66          * @param $unused Unused
  67          * @return ChangesList|EnhancedChangesList|OldChangesList derivative
  68          */
  69         public static function newFromUser( $unused ) {
  70                 return self::newFromContext( RequestContext::getMain() );
  71         }
  72
  73         /**
  74          * Fetch an appropriate changes list class for the specified context
  75          * Some users might want to use an enhanced list format, for instance
  76          *
  77          * @param $context IContextSource to use
  78          * @return ChangesList|EnhancedChangesList|OldChangesList derivative
  79          */
  80         public static function newFromContext( IContextSource $context ) {
  81                 $user = $context->getUser();
  82                 $sk = $context->getSkin();
  83                 $list = null;
  84                 if( wfRunHooks( 'FetchChangesList', array( $user, &$sk, &$list ) ) ) {
  85                         $new = $context->getRequest()->getBool( 'enhanced', $user->getOption( 'usenewrc' ) );
  86                         return $new ? new EnhancedChangesList( $context ) : new OldChangesList( $context );
  87                 } else {
  88                         return $list;
  89                 }
  90         }
  91
  92         /**
  93          * Sets the list to use a <li class="watchlist-(namespace)-(page)"> tag
  94          * @param $value Boolean
  95          */
  96         public function setWatchlistDivs( $value = true ) {
  97                 $this->watchlist = $value;
  98         }
  99
 100         /**
 101          * As we use the same small set of messages in various methods and that
 102          * they are called often, we call them once and save them in $this->message
 103          */
 104         private function preCacheMessages() {
 105                 if( !isset( $this->message ) ) {
 106                         foreach ( explode( ' ', 'cur diff hist last blocklink history ' .
 107                         'semicolon-separator pipe-separator' ) as $msg ) {
 108                                 $this->message[$msg] = wfMsgExt( $msg, array( 'escapenoentities' ) );
 109                         }
 110                 }
 111         }
 112
 113         /**
 114          * Returns the appropriate flags for new page, minor change and patrolling
 115          * @param $flags Array Associative array of 'flag' => Bool
 116          * @param $nothing String to use for empty space
 117          * @return String
 118          */
 119         protected function recentChangesFlags( $flags, $nothing = '&#160;' ) {
 120                 $f = '';
 121                 foreach( array( 'newpage', 'minor', 'bot', 'unpatrolled' ) as $flag ){
 122                         $f .= isset( $flags[$flag] ) && $flags[$flag]
 123                                 ? self::flag( $flag )
 124                                 : $nothing;
 125                 }
 126                 return $f;
 127         }
 128
 129         /**
 130          * Provide the <abbr> element appropriate to a given abbreviated flag,
 131          * namely the flag indicating a new page, a minor edit, a bot edit, or an
 132          * unpatrolled edit.  By default in English it will contain "N", "m", "b",
 133          * "!" respectively, plus it will have an appropriate title and class.
 134          *
 135          * @param $flag String: 'newpage', 'unpatrolled', 'minor', or 'bot'
 136          * @return String: Raw HTML
 137          */
 138         public static function flag( $flag ) {
 139                 static $messages = null;
 140                 if ( is_null( $messages ) ) {
 141                         $messages = array(
 142                                 'newpage' => array( 'newpageletter', 'recentchanges-label-newpage' ),
 143                                 'minoredit' => array( 'minoreditletter', 'recentchanges-label-minor' ),
 144                                 'botedit' => array( 'boteditletter', 'recentchanges-label-bot' ),
 145                                 'unpatrolled' => array( 'unpatrolledletter', 'recentchanges-label-unpatrolled' ),
 146                         );
 147                         foreach( $messages as &$value ) {
 148                                 $value[0] = wfMsgExt( $value[0], 'escapenoentities' );
 149                                 $value[1] = wfMsgExt( $value[1], 'escapenoentities' );
 150                         }
 151                 }
 152
 153                 # Inconsistent naming, bleh
 154                 $map = array(
 155                         'newpage' => 'newpage',
 156                         'minor' => 'minoredit',
 157                         'bot' => 'botedit',
 158                         'unpatrolled' => 'unpatrolled',
 159                         'minoredit' => 'minoredit',
 160                         'botedit' => 'botedit',
 161                 );
 162                 $flag = $map[$flag];
 163
 164                 return "<abbr class='$flag' title='" . $messages[$flag][1] . "'>" . $messages[$flag][0] . '</abbr>';
 165         }
 166
 167         /**
 168          * Returns text for the start of the tabular part of RC
 169          * @return String
 170          */
 171         public function beginRecentChangesList() {
 172                 $this->rc_cache = array();
 173                 $this->rcMoveIndex = 0;
 174                 $this->rcCacheIndex = 0;
 175                 $this->lastdate = '';
 176                 $this->rclistOpen = false;
 177                 return '';
 178         }
 179
 180         /**
 181          * Show formatted char difference
 182          * @param $old Integer: bytes
 183          * @param $new Integer: bytes
 184          * @return String
 185          */
 186         public static function showCharacterDifference( $old, $new ) {
 187                 global $wgRCChangedSizeThreshold, $wgLang, $wgMiserMode;
 188                 $szdiff = $new - $old;
 189
 190                 $code = $wgLang->getCode();
 191                 static $fastCharDiff = array();
 192                 if ( !isset($fastCharDiff[$code]) ) {
 193                         $fastCharDiff[$code] = $wgMiserMode || wfMsgNoTrans( 'rc-change-size' ) === '$1';
 194                 }
 195
 196                 $formatedSize = $wgLang->formatNum($szdiff);
 197
 198                 if ( !$fastCharDiff[$code] ) {
 199                         $formatedSize = wfMsgExt( 'rc-change-size', array( 'parsemag', 'escape' ), $formatedSize );
 200                 }
 201
 202                 if( abs( $szdiff ) > abs( $wgRCChangedSizeThreshold ) ) {
 203                         $tag = 'strong';
 204                 } else {
 205                         $tag = 'span';
 206                 }
 207                 if( $szdiff === 0 ) {
 208                         return "<$tag class='mw-plusminus-null'>($formatedSize)</$tag>";
 209                 } elseif( $szdiff > 0 ) {
 210                         return "<$tag class='mw-plusminus-pos'>(+$formatedSize)</$tag>";
 211                 } else {
 212                         return "<$tag class='mw-plusminus-neg'>($formatedSize)</$tag>";
 213                 }
 214         }
 215
 216         /**
 217          * Returns text for the end of RC
 218          * @return String
 219          */
 220         public function endRecentChangesList() {
 221                 if( $this->rclistOpen ) {
 222                         return "</ul>\n";
 223                 } else {
 224                         return '';
 225                 }
 226         }
 227
 228         public function insertDateHeader( &$s, $rc_timestamp ) {
 229                 # Make date header if necessary
 230                 $date = $this->getLang()->date( $rc_timestamp, true, true );
 231                 if( $date != $this->lastdate ) {
 232                         if( $this->lastdate != '' ) {
 233                                 $s .= "</ul>\n";
 234                         }
 235                         $s .= Xml::element( 'h4', null, $date ) . "\n<ul class=\"special\">";
 236                         $this->lastdate = $date;
 237                         $this->rclistOpen = true;
 238                 }
 239         }
 240
 241         public function insertLog( &$s, $title, $logtype ) {
 242                 $page = new LogPage( $logtype );
 243                 $logname = $page->getName()->escaped();
 244                 $s .= '(' . Linker::linkKnown( $title, $logname ) . ')';
 245         }
 246
 247         /**
 248          * @param $s
 249          * @param $rc RecentChange
 250          * @param $unpatrolled
 251          * @return void
 252          */
 253         public function insertDiffHist( &$s, &$rc, $unpatrolled ) {
 254                 # Diff link
 255                 if( $rc->mAttribs['rc_type'] == RC_NEW || $rc->mAttribs['rc_type'] == RC_LOG ) {
 256                         $diffLink = $this->message['diff'];
 257                 } elseif( !self::userCan($rc,Revision::DELETED_TEXT) ) {
 258                         $diffLink = $this->message['diff'];
 259                 } else {
 260                         $query = array(
 261                                 'curid' => $rc->mAttribs['rc_cur_id'],
 262                                 'diff'  => $rc->mAttribs['rc_this_oldid'],
 263                                 'oldid' => $rc->mAttribs['rc_last_oldid']
 264                         );
 265
 266                         if( $unpatrolled ) {
 267                                 $query['rcid'] = $rc->mAttribs['rc_id'];
 268                         };
 269
 270                         $diffLink = Linker::linkKnown(
 271                                 $rc->getTitle(),
 272                                 $this->message['diff'],
 273                                 array( 'tabindex' => $rc->counter ),
 274                                 $query
 275                         );
 276                 }
 277                 $s .= '(' . $diffLink . $this->message['pipe-separator'];
 278                 # History link
 279                 $s .= Linker::linkKnown(
 280                         $rc->getTitle(),
 281                         $this->message['hist'],
 282                         array(),
 283                         array(
 284                                 'curid' => $rc->mAttribs['rc_cur_id'],
 285                                 'action' => 'history'
 286                         )
 287                 );
 288                 $s .= ') . . ';
 289         }
 290
 291         /**
 292          * @param $s
 293          * @param $rc RecentChange
 294          * @param $unpatrolled
 295          * @param $watched
 296          * @return void
 297          */
 298         public function insertArticleLink( &$s, &$rc, $unpatrolled, $watched ) {
 299                 # If it's a new article, there is no diff link, but if it hasn't been
 300                 # patrolled yet, we need to give users a way to do so
 301                 $params = array();
 302
 303                 if ( $unpatrolled && $rc->mAttribs['rc_type'] == RC_NEW ) {
 304                         $params['rcid'] = $rc->mAttribs['rc_id'];
 305                 }
 306
 307                 $articlelink = Linker::linkKnown(
 308                         $rc->getTitle(),
 309                         null,
 310                         array(),
 311                         $params
 312                 );
 313                 if( $this->isDeleted($rc,Revision::DELETED_TEXT) ) {
 314                         $articlelink = '<span class="history-deleted">' . $articlelink . '</span>';
 315                 }
 316                 # Bolden pages watched by this user
 317                 if( $watched ) {
 318                         $articlelink = "<strong class=\"mw-watched\">{$articlelink}</strong>";
 319                 }
 320                 # RTL/LTR marker
 321                 $articlelink .= $this->getLang()->getDirMark();
 322
 323                 wfRunHooks( 'ChangesListInsertArticleLink',
 324                         array(&$this, &$articlelink, &$s, &$rc, $unpatrolled, $watched) );
 325
 326                 $s .= " $articlelink";
 327         }
 328
 329         /**
 330          * @param $s
 331          * @param $rc RecentChange
 332          * @return void
 333          */
 334         public function insertTimestamp( &$s, $rc ) {
 335                 $s .= $this->message['semicolon-separator'] .
 336                         $this->getLang()->time( $rc->mAttribs['rc_timestamp'], true, true ) . ' . . ';
 337         }
 338
 339         /** Insert links to user page, user talk page and eventually a blocking link
 340          *
 341          * @param $rc RecentChange
 342          */
 343         public function insertUserRelatedLinks( &$s, &$rc ) {
 344                 if( $this->isDeleted( $rc, Revision::DELETED_USER ) ) {
 345                         $s .= ' <span class="history-deleted">' . wfMsgHtml( 'rev-deleted-user' ) . '</span>';
 346                 } else {
 347                         $s .= Linker::userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 348                         $s .= Linker::userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 349                 }
 350         }
 351
 352         /** insert a formatted action
 353          *
 354          * @param $rc RecentChange
 355          */
 356         public function insertLogEntry( $rc ) {
 357                 $formatter = LogFormatter::newFromRow( $rc->mAttribs );
 358                 $formatter->setShowUserToolLinks( true );
 359                 $mark = $this->getLang()->getDirMark();
 360                 return $formatter->getActionText() . " $mark" . $formatter->getComment();
 361         }
 362
 363         /**
 364          * Insert a formatted comment
 365          * @param $rc RecentChange
 366          */
 367         public function insertComment( $rc ) {
 368                 if( $rc->mAttribs['rc_type'] != RC_MOVE && $rc->mAttribs['rc_type'] != RC_MOVE_OVER_REDIRECT ) {
 369                         if( $this->isDeleted( $rc, Revision::DELETED_COMMENT ) ) {
 370                                 return ' <span class="history-deleted">' . wfMsgHtml( 'rev-deleted-comment' ) . '</span>';
 371                         } else {
 372                                 return Linker::commentBlock( $rc->mAttribs['rc_comment'], $rc->getTitle() );
 373                         }
 374                 }
 375         }
 376
 377         /**
 378          * Check whether to enable recent changes patrol features
 379          * @return Boolean
 380          */
 381         public static function usePatrol() {
 382                 global $wgUser;
 383                 return $wgUser->useRCPatrol();
 384         }
 385
 386         /**
 387          * Returns the string which indicates the number of watching users
 388          */
 389         protected function numberofWatchingusers( $count ) {
 390                 static $cache = array();
 391                 if( $count > 0 ) {
 392                         if( !isset( $cache[$count] ) ) {
 393                                 $cache[$count] = wfMsgExt( 'number_of_watching_users_RCview',
 394                                         array('parsemag', 'escape' ), $this->getLang()->formatNum( $count ) );
 395                         }
 396                         return $cache[$count];
 397                 } else {
 398                         return '';
 399                 }
 400         }
 401
 402         /**
 403          * Determine if said field of a revision is hidden
 404          * @param $rc RCCacheEntry
 405          * @param $field Integer: one of DELETED_* bitfield constants
 406          * @return Boolean
 407          */
 408         public static function isDeleted( $rc, $field ) {
 409                 return ( $rc->mAttribs['rc_deleted'] & $field ) == $field;
 410         }
 411
 412         /**
 413          * Determine if the current user is allowed to view a particular
 414          * field of this revision, if it's marked as deleted.
 415          * @param $rc RCCacheEntry
 416          * @param $field Integer
 417          * @return Boolean
 418          */
 419         public static function userCan( $rc, $field ) {
 420                 if( $rc->mAttribs['rc_type'] == RC_LOG ) {
 421                         return LogEventsList::userCanBitfield( $rc->mAttribs['rc_deleted'], $field );
 422                 } else {
 423                         return Revision::userCanBitfield( $rc->mAttribs['rc_deleted'], $field );
 424                 }
 425         }
 426
 427         protected function maybeWatchedLink( $link, $watched = false ) {
 428                 if( $watched ) {
 429                         return '<strong class="mw-watched">' . $link . '</strong>';
 430                 } else {
 431                         return '<span class="mw-rc-unwatched">' . $link . '</span>';
 432                 }
 433         }
 434
 435         /** Inserts a rollback link
 436          *
 437          * @param $s
 438          * @param $rc RecentChange
 439          */
 440         public function insertRollback( &$s, &$rc ) {
 441                 if( !$rc->mAttribs['rc_new'] && $rc->mAttribs['rc_this_oldid'] && $rc->mAttribs['rc_cur_id'] ) {
 442                         $page = $rc->getTitle();
 443                         /** Check for rollback and edit permissions, disallow special pages, and only
 444                           * show a link on the top-most revision */
 445                         if ( $this->getUser()->isAllowed('rollback') && $rc->mAttribs['page_latest'] == $rc->mAttribs['rc_this_oldid'] )
 446                         {
 447                                 $rev = new Revision( array(
 448                                         'id'        => $rc->mAttribs['rc_this_oldid'],
 449                                         'user'      => $rc->mAttribs['rc_user'],
 450                                         'user_text' => $rc->mAttribs['rc_user_text'],
 451                                         'deleted'   => $rc->mAttribs['rc_deleted']
 452                                 ) );
 453                                 $rev->setTitle( $page );
 454                                 $s .= ' '.Linker::generateRollback( $rev, $this->getContext() );
 455                         }
 456                 }
 457         }
 458
 459         /**
 460          * @param $s
 461          * @param $rc RecentChange
 462          * @param $classes
 463          * @return
 464          */
 465         public function insertTags( &$s, &$rc, &$classes ) {
 466                 if ( empty($rc->mAttribs['ts_tags']) )
 467                         return;
 468
 469                 list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow( $rc->mAttribs['ts_tags'], 'changeslist' );
 470                 $classes = array_merge( $classes, $newClasses );
 471                 $s .= ' ' . $tagSummary;
 472         }
 473
 474         public function insertExtra( &$s, &$rc, &$classes ) {
 475                 ## Empty, used for subclassers to add anything special.
 476         }
 477 }
 478
 479
 480 /**
 481  * Generate a list of changes using the good old system (no javascript)
 482  */
 483 class OldChangesList extends ChangesList {
 484         /**
 485          * Format a line using the old system (aka without any javascript).
 486          *
 487          * @param $rc RecentChange
 488          */
 489         public function recentChangesLine( &$rc, $watched = false, $linenumber = null ) {
 490                 global $wgRCShowChangedSize;
 491                 wfProfileIn( __METHOD__ );
 492                 # Should patrol-related stuff be shown?
 493                 $unpatrolled = $this->getUser()->useRCPatrol() && !$rc->mAttribs['rc_patrolled'];
 494
 495                 $dateheader = ''; // $s now contains only <li>...</li>, for hooks' convenience.
 496                 $this->insertDateHeader( $dateheader, $rc->mAttribs['rc_timestamp'] );
 497
 498                 $s = '';
 499                 $classes = array();
 500                 // use mw-line-even/mw-line-odd class only if linenumber is given (feature from bug 14468)
 501                 if( $linenumber ) {
 502                         if( $linenumber & 1 ) {
 503                                 $classes[] = 'mw-line-odd';
 504                         }
 505                         else {
 506                                 $classes[] = 'mw-line-even';
 507                         }
 508                 }
 509
 510                 // Moved pages (very very old, not supported anymore)
 511                 if( $rc->mAttribs['rc_type'] == RC_MOVE || $rc->mAttribs['rc_type'] == RC_MOVE_OVER_REDIRECT ) {
 512                 // Log entries
 513                 } elseif( $rc->mAttribs['rc_log_type'] ) {
 514                         $logtitle = SpecialPage::getTitleFor( 'Log', $rc->mAttribs['rc_log_type'] );
 515                         $this->insertLog( $s, $logtitle, $rc->mAttribs['rc_log_type'] );
 516                 // Log entries (old format) or log targets, and special pages
 517                 } elseif( $rc->mAttribs['rc_namespace'] == NS_SPECIAL ) {
 518                         list( $name, $subpage ) = SpecialPageFactory::resolveAlias( $rc->mAttribs['rc_title'] );
 519                         if( $name == 'Log' ) {
 520                                 $this->insertLog( $s, $rc->getTitle(), $subpage );
 521                         }
 522                 // Regular entries
 523                 } else {
 524                         $this->insertDiffHist( $s, $rc, $unpatrolled );
 525                         # M, N, b and ! (minor, new, bot and unpatrolled)
 526                         $s .= $this->recentChangesFlags(
 527                                 array(
 528                                         'newpage' => $rc->mAttribs['rc_new'],
 529                                         'minor' => $rc->mAttribs['rc_minor'],
 530                                         'unpatrolled' => $unpatrolled,
 531                                         'bot' => $rc->mAttribs['rc_bot']
 532                                 ),
 533                                 ''
 534                         );
 535                         $this->insertArticleLink( $s, $rc, $unpatrolled, $watched );
 536                 }
 537                 # Edit/log timestamp
 538                 $this->insertTimestamp( $s, $rc );
 539                 # Bytes added or removed
 540                 if( $wgRCShowChangedSize ) {
 541                         $cd = $rc->getCharacterDifference();
 542                         if( $cd != '' ) {
 543                                 $s .= "$cd  . . ";
 544                         }
 545                 }
 546
 547                 if ( $rc->mAttribs['rc_type'] == RC_LOG ) {
 548                         $s .= $this->insertLogEntry( $rc );
 549                 } else {
 550                         # User tool links
 551                         $this->insertUserRelatedLinks( $s, $rc );
 552                         # LTR/RTL direction mark
 553                         $s .= $this->getLang()->getDirMark();
 554                         $s .= $this->insertComment( $rc );
 555                 }
 556
 557                 # Tags
 558                 $this->insertTags( $s, $rc, $classes );
 559                 # Rollback
 560                 $this->insertRollback( $s, $rc );
 561                 # For subclasses
 562                 $this->insertExtra( $s, $rc, $classes );
 563
 564                 # How many users watch this page
 565                 if( $rc->numberofWatchingusers > 0 ) {
 566                         $s .= ' ' . wfMsgExt( 'number_of_watching_users_RCview',
 567                                 array( 'parsemag', 'escape' ), $this->getLang()->formatNum( $rc->numberofWatchingusers ) );
 568                 }
 569
 570                 if( $this->watchlist ) {
 571                         $classes[] = Sanitizer::escapeClass( 'watchlist-'.$rc->mAttribs['rc_namespace'].'-'.$rc->mAttribs['rc_title'] );
 572                 }
 573
 574                 wfRunHooks( 'OldChangesListRecentChangesLine', array(&$this, &$s, $rc) );
 575
 576                 wfProfileOut( __METHOD__ );
 577                 return "$dateheader<li class=\"".implode( ' ', $classes )."\">".$s."</li>\n";
 578         }
 579 }
 580
 581
 582 /**
 583  * Generate a list of changes using an Enhanced system (uses javascript).
 584  */
 585 class EnhancedChangesList extends ChangesList {
 586         /**
 587          * Add the JavaScript file for enhanced changeslist
 588          * @return String
 589          */
 590         public function beginRecentChangesList() {
 591                 $this->rc_cache = array();
 592                 $this->rcMoveIndex = 0;
 593                 $this->rcCacheIndex = 0;
 594                 $this->lastdate = '';
 595                 $this->rclistOpen = false;
 596                 $this->getOutput()->addModuleStyles( 'mediawiki.special.changeslist' );
 597                 return '';
 598         }
 599         /**
 600          * Format a line for enhanced recentchange (aka with javascript and block of lines).
 601          *
 602          * @param $baseRC RecentChange
 603          * @param $watched bool
 604          *
 605          * @return string
 606          */
 607         public function recentChangesLine( &$baseRC, $watched = false ) {
 608                 wfProfileIn( __METHOD__ );
 609
 610                 # Create a specialised object
 611                 $rc = RCCacheEntry::newFromParent( $baseRC );
 612
 613                 $curIdEq = array( 'curid' => $rc->mAttribs['rc_cur_id'] );
 614
 615                 # If it's a new day, add the headline and flush the cache
 616                 $date = $this->getLang()->date( $rc->mAttribs['rc_timestamp'], true );
 617                 $ret = '';
 618                 if( $date != $this->lastdate ) {
 619                         # Process current cache
 620                         $ret = $this->recentChangesBlock();
 621                         $this->rc_cache = array();
 622                         $ret .= Xml::element( 'h4', null, $date ) . "\n";
 623                         $this->lastdate = $date;
 624                 }
 625
 626                 # Should patrol-related stuff be shown?
 627                 if( $this->getUser()->useRCPatrol() ) {
 628                         $rc->unpatrolled = !$rc->mAttribs['rc_patrolled'];
 629                 } else {
 630                         $rc->unpatrolled = false;
 631                 }
 632
 633                 $showdifflinks = true;
 634                 # Make article link
 635                 $type = $rc->mAttribs['rc_type'];
 636                 $logType = $rc->mAttribs['rc_log_type'];
 637                 // Page moves, very old style, not supported anymore
 638                 if( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
 639                 // New unpatrolled pages
 640                 } elseif( $rc->unpatrolled && $type == RC_NEW ) {
 641                         $clink = Linker::linkKnown( $rc->getTitle(), null, array(),
 642                                 array( 'rcid' => $rc->mAttribs['rc_id'] ) );
 643                 // Log entries
 644                 } elseif( $type == RC_LOG ) {
 645                         if( $logType ) {
 646                                 $logtitle = SpecialPage::getTitleFor( 'Log', $logType );
 647                                 $clink = '(' . Linker::linkKnown( $logtitle,
 648                                         LogPage::logName( $logType ) ) . ')';
 649                         } else {
 650                                 $clink = Linker::link( $rc->getTitle() );
 651                         }
 652                         $watched = false;
 653                 // Log entries (old format) and special pages
 654                 } elseif( $rc->mAttribs['rc_namespace'] == NS_SPECIAL ) {
 655                         list( $specialName, $logtype ) = SpecialPageFactory::resolveAlias( $rc->mAttribs['rc_title'] );
 656                         if ( $specialName == 'Log' ) {
 657                                 # Log updates, etc
 658                                 $logname = LogPage::logName( $logtype );
 659                                 $clink = '(' . Linker::linkKnown( $rc->getTitle(), $logname ) . ')';
 660                         } else {
 661                                 wfDebug( "Unexpected special page in recentchanges\n" );
 662                                 $clink = '';
 663                         }
 664                 // Edits
 665                 } else {
 666                         $clink = Linker::linkKnown( $rc->getTitle() );
 667                 }
 668
 669                 # Don't show unusable diff links
 670                 if ( !ChangesList::userCan($rc,Revision::DELETED_TEXT) ) {
 671                         $showdifflinks = false;
 672                 }
 673
 674                 $time = $this->getLang()->time( $rc->mAttribs['rc_timestamp'], true, true );
 675                 $rc->watched = $watched;
 676                 $rc->link = $clink;
 677                 $rc->timestamp = $time;
 678                 $rc->numberofWatchingusers = $baseRC->numberofWatchingusers;
 679
 680                 # Make "cur" and "diff" links.  Do not use link(), it is too slow if
 681                 # called too many times (50% of CPU time on RecentChanges!).
 682                 $thisOldid = $rc->mAttribs['rc_this_oldid'];
 683                 $lastOldid = $rc->mAttribs['rc_last_oldid'];
 684                 if( $rc->unpatrolled ) {
 685                         $rcIdQuery = array( 'rcid' => $rc->mAttribs['rc_id'] );
 686                 } else {
 687                         $rcIdQuery = array();
 688                 }
 689                 $querycur = $curIdEq + array( 'diff' => '0', 'oldid' => $thisOldid );
 690                 $querydiff = $curIdEq + array( 'diff' => $thisOldid, 'oldid' =>
 691                         $lastOldid ) + $rcIdQuery;
 692
 693                 if( !$showdifflinks ) {
 694                         $curLink = $this->message['cur'];
 695                         $diffLink = $this->message['diff'];
 696                 } elseif( in_array( $type, array( RC_NEW, RC_LOG, RC_MOVE, RC_MOVE_OVER_REDIRECT ) ) ) {
 697                         if ( $type != RC_NEW ) {
 698                                 $curLink = $this->message['cur'];
 699                         } else {
 700                                 $curUrl = htmlspecialchars( $rc->getTitle()->getLinkUrl( $querycur ) );
 701                                 $curLink = "<a href=\"$curUrl\" tabindex=\"{$baseRC->counter}\">{$this->message['cur']}</a>";
 702                         }
 703                         $diffLink = $this->message['diff'];
 704                 } else {
 705                         $diffUrl = htmlspecialchars( $rc->getTitle()->getLinkUrl( $querydiff ) );
 706                         $curUrl = htmlspecialchars( $rc->getTitle()->getLinkUrl( $querycur ) );
 707                         $diffLink = "<a href=\"$diffUrl\" tabindex=\"{$baseRC->counter}\">{$this->message['diff']}</a>";
 708                         $curLink = "<a href=\"$curUrl\" tabindex=\"{$baseRC->counter}\">{$this->message['cur']}</a>";
 709                 }
 710
 711                 # Make "last" link
 712                 if( !$showdifflinks || !$lastOldid ) {
 713                         $lastLink = $this->message['last'];
 714                 } elseif( in_array( $type, array( RC_LOG, RC_MOVE, RC_MOVE_OVER_REDIRECT ) ) ) {
 715                         $lastLink = $this->message['last'];
 716                 } else {
 717                         $lastLink = Linker::linkKnown( $rc->getTitle(), $this->message['last'],
 718                                 array(), $curIdEq + array('diff' => $thisOldid, 'oldid' => $lastOldid) + $rcIdQuery );
 719                 }
 720
 721                 # Make user links
 722                 if( $this->isDeleted( $rc, Revision::DELETED_USER ) ) {
 723                         $rc->userlink = ' <span class="history-deleted">' . wfMsgHtml( 'rev-deleted-user' ) . '</span>';
 724                 } else {
 725                         $rc->userlink = Linker::userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 726                         $rc->usertalklink = Linker::userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 727                 }
 728
 729                 $rc->lastlink = $lastLink;
 730                 $rc->curlink  = $curLink;
 731                 $rc->difflink = $diffLink;
 732
 733                 # Put accumulated information into the cache, for later display
 734                 # Page moves go on their own line
 735                 $title = $rc->getTitle();
 736                 $secureName = $title->getPrefixedDBkey();
 737                 if( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
 738                         # Use an @ character to prevent collision with page names
 739                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
 740                 } else {
 741                         # Logs are grouped by type
 742                         if( $type == RC_LOG ){
 743                                 $secureName = SpecialPage::getTitleFor( 'Log', $logType )->getPrefixedDBkey();
 744                         }
 745                         if( !isset( $this->rc_cache[$secureName] ) ) {
 746                                 $this->rc_cache[$secureName] = array();
 747                         }
 748
 749                         array_push( $this->rc_cache[$secureName], $rc );
 750                 }
 751
 752                 wfProfileOut( __METHOD__ );
 753
 754                 return $ret;
 755         }
 756
 757         /**
 758          * Enhanced RC group
 759          */
 760         protected function recentChangesBlockGroup( $block ) {
 761                 global $wgRCShowChangedSize;
 762
 763                 wfProfileIn( __METHOD__ );
 764
 765                 # Add the namespace and title of the block as part of the class
 766                 if ( $block[0]->mAttribs['rc_log_type'] ) {
 767                         # Log entry
 768                         $classes = 'mw-collapsible mw-collapsed mw-enhanced-rc ' . Sanitizer::escapeClass( 'mw-changeslist-log-' . $block[0]->mAttribs['rc_log_type'] . '-' . $block[0]->mAttribs['rc_title'] );
 769                 } else {
 770                         $classes = 'mw-collapsible mw-collapsed mw-enhanced-rc ' . Sanitizer::escapeClass( 'mw-changeslist-ns' . $block[0]->mAttribs['rc_namespace'] . '-' . $block[0]->mAttribs['rc_title'] );
 771                 }
 772                 $r = Html::openElement( 'table', array( 'class' => $classes ) ) .
 773                         Html::openElement( 'tr' );
 774
 775                 # Collate list of users
 776                 $userlinks = array();
 777                 # Other properties
 778                 $unpatrolled = false;
 779                 $isnew = false;
 780                 $curId = $currentRevision = 0;
 781                 # Some catalyst variables...
 782                 $namehidden = true;
 783                 $allLogs = true;
 784                 foreach( $block as $rcObj ) {
 785                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
 786                         if( $rcObj->mAttribs['rc_new'] ) {
 787                                 $isnew = true;
 788                         }
 789                         // If all log actions to this page were hidden, then don't
 790                         // give the name of the affected page for this block!
 791                         if( !$this->isDeleted( $rcObj, LogPage::DELETED_ACTION ) ) {
 792                                 $namehidden = false;
 793                         }
 794                         $u = $rcObj->userlink;
 795                         if( !isset( $userlinks[$u] ) ) {
 796                                 $userlinks[$u] = 0;
 797                         }
 798                         if( $rcObj->unpatrolled ) {
 799                                 $unpatrolled = true;
 800                         }
 801                         if( $rcObj->mAttribs['rc_type'] != RC_LOG ) {
 802                                 $allLogs = false;
 803                         }
 804                         # Get the latest entry with a page_id and oldid
 805                         # since logs may not have these.
 806                         if( !$curId && $rcObj->mAttribs['rc_cur_id'] ) {
 807                                 $curId = $rcObj->mAttribs['rc_cur_id'];
 808                         }
 809                         if( !$currentRevision && $rcObj->mAttribs['rc_this_oldid'] ) {
 810                                 $currentRevision = $rcObj->mAttribs['rc_this_oldid'];
 811                         }
 812
 813                         $bot = $rcObj->mAttribs['rc_bot'];
 814                         $userlinks[$u]++;
 815                 }
 816
 817                 # Sort the list and convert to text
 818                 krsort( $userlinks );
 819                 asort( $userlinks );
 820                 $users = array();
 821                 foreach( $userlinks as $userlink => $count) {
 822                         $text = $userlink;
 823                         $text .= $this->getLang()->getDirMark();
 824                         if( $count > 1 ) {
 825                                 $text .= ' (' . $this->getLang()->formatNum( $count ) . '×)';
 826                         }
 827                         array_push( $users, $text );
 828                 }
 829
 830                 $users = ' <span class="changedby">[' .
 831                         implode( $this->message['semicolon-separator'], $users ) . ']</span>';
 832
 833                 # Title for <a> tags
 834                 $expandTitle = htmlspecialchars( wfMsg( 'rc-enhanced-expand' ) );
 835                 $closeTitle = htmlspecialchars( wfMsg( 'rc-enhanced-hide' ) );
 836
 837                 $tl = "<span class='mw-collapsible-toggle'>"
 838                         . "<span class='mw-rc-openarrow'>"
 839                         . "<a href='#' title='$expandTitle'>{$this->sideArrow()}</a>"
 840                         . "</span><span class='mw-rc-closearrow'>"
 841                         . "<a href='#' title='$closeTitle'>{$this->downArrow()}</a>"
 842                         . "</span></span>";
 843                 $r .= "<td>$tl</td>";
 844
 845                 # Main line
 846                 $r .= '<td class="mw-enhanced-rc">' . $this->recentChangesFlags( array(
 847                         'newpage' => $isnew,
 848                         'minor' => false,
 849                         'unpatrolled' => $unpatrolled,
 850                         'bot' => $bot ,
 851                 ) );
 852
 853                 # Timestamp
 854                 $r .= '&#160;'.$block[0]->timestamp.'&#160;</td><td>';
 855
 856                 # Article link
 857                 if( $namehidden ) {
 858                         $r .= ' <span class="history-deleted">' . wfMsgHtml( 'rev-deleted-event' ) . '</span>';
 859                 } elseif( $allLogs ) {
 860                         $r .= $this->maybeWatchedLink( $block[0]->link, $block[0]->watched );
 861                 } else {
 862                         $this->insertArticleLink( $r, $block[0], $block[0]->unpatrolled, $block[0]->watched );
 863                 }
 864
 865                 $r .= $this->getLang()->getDirMark();
 866
 867                 $queryParams['curid'] = $curId;
 868                 # Changes message
 869                 $n = count($block);
 870                 static $nchanges = array();
 871                 if ( !isset( $nchanges[$n] ) ) {
 872                         $nchanges[$n] = wfMsgExt( 'nchanges', array( 'parsemag', 'escape' ), $this->getLang()->formatNum( $n ) );
 873                 }
 874                 # Total change link
 875                 $r .= ' ';
 876                 if( !$allLogs ) {
 877                         $r .= '(';
 878                         if( !ChangesList::userCan( $rcObj, Revision::DELETED_TEXT ) ) {
 879                                 $r .= $nchanges[$n];
 880                         } elseif( $isnew ) {
 881                                 $r .= $nchanges[$n];
 882                         } else {
 883                                 $params = $queryParams;
 884                                 $params['diff'] = $currentRevision;
 885                                 $params['oldid'] = $oldid;
 886
 887                                 $r .= Linker::link(
 888                                         $block[0]->getTitle(),
 889                                         $nchanges[$n],
 890                                         array(),
 891                                         $params,
 892                                         array( 'known', 'noclasses' )
 893                                 );
 894                         }
 895                 }
 896
 897                 # History
 898                 if( $allLogs ) {
 899                         // don't show history link for logs
 900                 } elseif( $namehidden || !$block[0]->getTitle()->exists() ) {
 901                         $r .= $this->message['pipe-separator'] . $this->message['hist'] . ')';
 902                 } else {
 903                         $params = $queryParams;
 904                         $params['action'] = 'history';
 905
 906                         $r .= $this->message['pipe-separator'] .
 907                                 Linker::linkKnown(
 908                                         $block[0]->getTitle(),
 909                                         $this->message['hist'],
 910                                         array(),
 911                                         $params
 912                                 ) . ')';
 913                 }
 914                 $r .= ' . . ';
 915
 916                 # Character difference (does not apply if only log items)
 917                 if( $wgRCShowChangedSize && !$allLogs ) {
 918                         $last = 0;
 919                         $first = count($block) - 1;
 920                         # Some events (like logs) have an "empty" size, so we need to skip those...
 921                         while( $last < $first && $block[$last]->mAttribs['rc_new_len'] === null ) {
 922                                 $last++;
 923                         }
 924                         while( $first > $last && $block[$first]->mAttribs['rc_old_len'] === null ) {
 925                                 $first--;
 926                         }
 927                         # Get net change
 928                         $chardiff = $rcObj->getCharacterDifference( $block[$first]->mAttribs['rc_old_len'],
 929                                 $block[$last]->mAttribs['rc_new_len'] );
 930
 931                         if( $chardiff == '' ) {
 932                                 $r .= ' ';
 933                         } else {
 934                                 $r .= ' ' . $chardiff. ' . . ';
 935                         }
 936                 }
 937
 938                 $r .= $users;
 939                 $r .= $this->numberofWatchingusers($block[0]->numberofWatchingusers);
 940
 941                 # Sub-entries
 942                 foreach( $block as $rcObj ) {
 943                         # Classes to apply -- TODO implement
 944                         $classes = array();
 945                         $type = $rcObj->mAttribs['rc_type'];
 946
 947                         #$r .= '<tr><td valign="top">'.$this->spacerArrow();
 948                         $r .= '<tr><td></td><td class="mw-enhanced-rc">';
 949                         $r .= $this->recentChangesFlags( array(
 950                                 'newpage' => $rcObj->mAttribs['rc_new'],
 951                                 'minor' => $rcObj->mAttribs['rc_minor'],
 952                                 'unpatrolled' => $rcObj->unpatrolled,
 953                                 'bot' => $rcObj->mAttribs['rc_bot'],
 954                         ) );
 955                         $r .= '&#160;</td><td class="mw-enhanced-rc-nested"><span class="mw-enhanced-rc-time">';
 956
 957                         $params = $queryParams;
 958
 959                         if( $rcObj->mAttribs['rc_this_oldid'] != 0 ) {
 960                                 $params['oldid'] = $rcObj->mAttribs['rc_this_oldid'];
 961                         }
 962
 963                         # Log timestamp
 964                         if( $type == RC_LOG ) {
 965                                 $link = $rcObj->timestamp;
 966                         # Revision link
 967                         } elseif( !ChangesList::userCan($rcObj,Revision::DELETED_TEXT) ) {
 968                                 $link = '<span class="history-deleted">'.$rcObj->timestamp.'</span> ';
 969                         } else {
 970                                 if ( $rcObj->unpatrolled && $type == RC_NEW) {
 971                                         $params['rcid'] = $rcObj->mAttribs['rc_id'];
 972                                 }
 973
 974                                 $link = Linker::linkKnown(
 975                                                 $rcObj->getTitle(),
 976                                                 $rcObj->timestamp,
 977                                                 array(),
 978                                                 $params
 979                                         );
 980                                 if( $this->isDeleted($rcObj,Revision::DELETED_TEXT) )
 981                                         $link = '<span class="history-deleted">'.$link.'</span> ';
 982                         }
 983                         $r .= $link . '</span>';
 984
 985                         if ( !$type == RC_LOG || $type == RC_NEW ) {
 986                                 $r .= ' (';
 987                                 $r .= $rcObj->curlink;
 988                                 $r .= $this->message['pipe-separator'];
 989                                 $r .= $rcObj->lastlink;
 990                                 $r .= ')';
 991                         }
 992                         $r .= ' . . ';
 993
 994                         # Character diff
 995                         if( $wgRCShowChangedSize && $rcObj->getCharacterDifference() ) {
 996                                 $r .= $rcObj->getCharacterDifference() . ' . . ' ;
 997                         }
 998
 999                         if ( $rcObj->mAttribs['rc_type'] == RC_LOG ) {
1000                                 $r .= $this->insertLogEntry( $rcObj );
1001                         } else {
1002                                 # User links
1003                                 $r .= $rcObj->userlink;
1004                                 $r .= $rcObj->usertalklink;
1005                                 $r .= $this->insertComment( $rcObj );
1006                         }
1007
1008                         # Rollback
1009                         $this->insertRollback( $r, $rcObj );
1010                         # Tags
1011                         $this->insertTags( $r, $rcObj, $classes );
1012
1013                         $r .= "</td></tr>\n";
1014                 }
1015                 $r .= "</table>\n";
1016
1017                 $this->rcCacheIndex++;
1018
1019                 wfProfileOut( __METHOD__ );
1020
1021                 return $r;
1022         }
1023
1024         /**
1025          * Generate HTML for an arrow or placeholder graphic
1026          * @param $dir String: one of '', 'd', 'l', 'r'
1027          * @param $alt String: text
1028          * @param $title String: text
1029          * @return String: HTML <img> tag
1030          */
1031         protected function arrow( $dir, $alt='', $title='' ) {
1032                 global $wgStylePath;
1033                 $encUrl = htmlspecialchars( $wgStylePath . '/common/images/Arr_' . $dir . '.png' );
1034                 $encAlt = htmlspecialchars( $alt );
1035                 $encTitle = htmlspecialchars( $title );
1036                 return "<img src=\"$encUrl\" width=\"12\" height=\"12\" alt=\"$encAlt\" title=\"$encTitle\" />";
1037         }
1038
1039         /**
1040          * Generate HTML for a right- or left-facing arrow,
1041          * depending on language direction.
1042          * @return String: HTML <img> tag
1043          */
1044         protected function sideArrow() {
1045                 global $wgContLang;
1046                 $dir = $wgContLang->isRTL() ? 'l' : 'r';
1047                 return $this->arrow( $dir, '+', wfMsg( 'rc-enhanced-expand' ) );
1048         }
1049
1050         /**
1051          * Generate HTML for a down-facing arrow
1052          * depending on language direction.
1053          * @return String: HTML <img> tag
1054          */
1055         protected function downArrow() {
1056                 return $this->arrow( 'd', '-', wfMsg( 'rc-enhanced-hide' ) );
1057         }
1058
1059         /**
1060          * Generate HTML for a spacer image
1061          * @return String: HTML <img> tag
1062          */
1063         protected function spacerArrow() {
1064                 return $this->arrow( '', codepointToUtf8( 0xa0 ) ); // non-breaking space
1065         }
1066
1067         /**
1068          * Enhanced RC ungrouped line.
1069          *
1070          * @param $rcObj RecentChange
1071          * @return String: a HTML formated line (generated using $r)
1072          */
1073         protected function recentChangesBlockLine( $rcObj ) {
1074                 global $wgRCShowChangedSize;
1075
1076                 wfProfileIn( __METHOD__ );
1077                 $query['curid'] = $rcObj->mAttribs['rc_cur_id'];
1078
1079                 $type = $rcObj->mAttribs['rc_type'];
1080                 $logType = $rcObj->mAttribs['rc_log_type'];
1081                 if( $logType ) {
1082                         # Log entry
1083                         $classes = 'mw-enhanced-rc ' . Sanitizer::escapeClass( 'mw-changeslist-log-' . $logType . '-' . $rcObj->mAttribs['rc_title'] );
1084                 } else {
1085                         $classes = 'mw-enhanced-rc ' . Sanitizer::escapeClass( 'mw-changeslist-ns' . $rcObj->mAttribs['rc_namespace'] . '-' . $rcObj->mAttribs['rc_title'] );
1086                 }
1087                 $r = Html::openElement( 'table', array( 'class' => $classes ) ) .
1088                         Html::openElement( 'tr' );
1089
1090                 $r .= '<td class="mw-enhanced-rc">' . $this->spacerArrow();
1091                 # Flag and Timestamp
1092                 if( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
1093                         $r .= '&#160;&#160;&#160;&#160;'; // 4 flags -> 4 spaces
1094                 } else {
1095                         $r .= $this->recentChangesFlags( array(
1096                                 'newpage' => $type == RC_NEW,
1097                                 'mino' => $rcObj->mAttribs['rc_minor'],
1098                                 'unpatrolled' => $rcObj->unpatrolled,
1099                                 'bot' => $rcObj->mAttribs['rc_bot'],
1100                         ) );
1101                 }
1102                 $r .= '&#160;'.$rcObj->timestamp.'&#160;</td><td>';
1103                 # Article or log link
1104                 if( $logType ) {
1105                         $logtitle = SpecialPage::getTitleFor( 'Log', $logType );
1106                         $logname = LogPage::logName( $logType );
1107                         $r .= '(' . Linker::linkKnown( $logtitle, htmlspecialchars( $logname ) ) . ')';
1108                 } else {
1109                         $this->insertArticleLink( $r, $rcObj, $rcObj->unpatrolled, $rcObj->watched );
1110                 }
1111                 # Diff and hist links
1112                 if ( $type != RC_LOG ) {
1113                         $r .= ' ('. $rcObj->difflink . $this->message['pipe-separator'];
1114                         $query['action'] = 'history';
1115                         $r .= Linker::linkKnown(
1116                                 $rcObj->getTitle(),
1117                                 $this->message['hist'],
1118                                 array(),
1119                                 $query
1120                         ) . ')';
1121                 }
1122                 $r .= ' . . ';
1123                 # Character diff
1124                 if( $wgRCShowChangedSize && ($cd = $rcObj->getCharacterDifference()) ) {
1125                         $r .= "$cd . . ";
1126                 }
1127
1128                 if ( $type == RC_LOG ) {
1129                         $r .= $this->insertLogEntry( $rcObj );
1130                 } else {
1131                         $r .= ' '.$rcObj->userlink . $rcObj->usertalklink;
1132                         $r .= $this->insertComment( $rcObj );
1133                         $r .= $this->insertRollback( $r, $rcObj );
1134                 }
1135
1136                 # Tags
1137                 $classes = explode( ' ', $classes );
1138                 $this->insertTags( $r, $rcObj, $classes );
1139                 # Show how many people are watching this if enabled
1140                 $r .= $this->numberofWatchingusers($rcObj->numberofWatchingusers);
1141
1142                 $r .= "</td></tr></table>\n";
1143
1144                 wfProfileOut( __METHOD__ );
1145
1146                 return $r;
1147         }
1148
1149         /**
1150          * If enhanced RC is in use, this function takes the previously cached
1151          * RC lines, arranges them, and outputs the HTML
1152          *
1153          * @return string
1154          */
1155         protected function recentChangesBlock() {
1156                 if( count ( $this->rc_cache ) == 0 ) {
1157                         return '';
1158                 }
1159
1160                 wfProfileIn( __METHOD__ );
1161
1162                 $blockOut = '';
1163                 foreach( $this->rc_cache as $block ) {
1164                         if( count( $block ) < 2 ) {
1165                                 $blockOut .= $this->recentChangesBlockLine( array_shift( $block ) );
1166                         } else {
1167                                 $blockOut .= $this->recentChangesBlockGroup( $block );
1168                         }
1169                 }
1170
1171                 wfProfileOut( __METHOD__ );
1172
1173                 return '<div>'.$blockOut.'</div>';
1174         }
1175
1176         /**
1177          * Returns text for the end of RC
1178          * If enhanced RC is in use, returns pretty much all the text
1179          */
1180         public function endRecentChangesList() {
1181                 return $this->recentChangesBlock() . parent::endRecentChangesList();
1182         }
1183
1184 }