MediaWiki  REL1_19
ChangesList.php
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00001 <?php
00014 class RCCacheEntry extends RecentChange {
00015         var $secureName, $link;
00016         var $curlink , $difflink, $lastlink, $usertalklink, $versionlink;
00017         var $userlink, $timestamp, $watched;
00018 
00023         static function newFromParent( $rc ) {
00024                 $rc2 = new RCCacheEntry;
00025                 $rc2->mAttribs = $rc->mAttribs;
00026                 $rc2->mExtra = $rc->mExtra;
00027                 return $rc2;
00028         }
00029 }
00030 
00034 class ChangesList extends ContextSource {
00035 
00039         public $skin;
00040 
00041         protected $watchlist = false;
00042 
00043         protected $message;
00044 
00050         public function __construct( $obj ) {
00051                 if ( $obj instanceof IContextSource ) {
00052                         $this->setContext( $obj );
00053                         $this->skin = $obj->getSkin();
00054                 } else {
00055                         $this->setContext( $obj->getContext() );
00056                         $this->skin = $obj;
00057                 }
00058                 $this->preCacheMessages();
00059         }
00060 
00069         public static function newFromUser( $unused ) {
00070                 wfDeprecated( __METHOD__, '1.18' );
00071                 return self::newFromContext( RequestContext::getMain() );
00072         }
00073 
00081         public static function newFromContext( IContextSource $context ) {
00082                 $user = $context->getUser();
00083                 $sk = $context->getSkin();
00084                 $list = null;
00085                 if( wfRunHooks( 'FetchChangesList', array( $user, &$sk, &$list ) ) ) {
00086                         $new = $context->getRequest()->getBool( 'enhanced', $user->getOption( 'usenewrc' ) );
00087                         return $new ? new EnhancedChangesList( $context ) : new OldChangesList( $context );
00088                 } else {
00089                         return $list;
00090                 }
00091         }
00092 
00097         public function setWatchlistDivs( $value = true ) {
00098                 $this->watchlist = $value;
00099         }
00100 
00105         private function preCacheMessages() {
00106                 if( !isset( $this->message ) ) {
00107                         foreach ( explode( ' ', 'cur diff hist last blocklink history ' .
00108                         'semicolon-separator pipe-separator' ) as $msg ) {
00109                                 $this->message[$msg] = wfMsgExt( $msg, array( 'escapenoentities' ) );
00110                         }
00111                 }
00112         }
00113 
00120         protected function recentChangesFlags( $flags, $nothing = '&#160;' ) {
00121                 $f = '';
00122                 foreach( array( 'newpage', 'minor', 'bot', 'unpatrolled' ) as $flag ){
00123                         $f .= isset( $flags[$flag] ) && $flags[$flag]
00124                                 ? self::flag( $flag )
00125                                 : $nothing;
00126                 }
00127                 return $f;
00128         }
00129 
00139         public static function flag( $flag ) {
00140                 static $messages = null;
00141                 if ( is_null( $messages ) ) {
00142                         $messages = array(
00143                                 'newpage' => array( 'newpageletter', 'recentchanges-label-newpage' ),
00144                                 'minoredit' => array( 'minoreditletter', 'recentchanges-label-minor' ),
00145                                 'botedit' => array( 'boteditletter', 'recentchanges-label-bot' ),
00146                                 'unpatrolled' => array( 'unpatrolledletter', 'recentchanges-label-unpatrolled' ),
00147                         );
00148                         foreach( $messages as &$value ) {
00149                                 $value[0] = wfMsgExt( $value[0], 'escapenoentities' );
00150                                 $value[1] = wfMsgExt( $value[1], 'escapenoentities' );
00151                         }
00152                 }
00153 
00154                 # Inconsistent naming, bleh
00155                 $map = array(
00156                         'newpage' => 'newpage',
00157                         'minor' => 'minoredit',
00158                         'bot' => 'botedit',
00159                         'unpatrolled' => 'unpatrolled',
00160                         'minoredit' => 'minoredit',
00161                         'botedit' => 'botedit',
00162                 );
00163                 $flag = $map[$flag];
00164 
00165                 return "<abbr class='$flag' title='" . $messages[$flag][1] . "'>" . $messages[$flag][0] . '</abbr>';
00166         }
00167 
00172         public function beginRecentChangesList() {
00173                 $this->rc_cache = array();
00174                 $this->rcMoveIndex = 0;
00175                 $this->rcCacheIndex = 0;
00176                 $this->lastdate = '';
00177                 $this->rclistOpen = false;
00178                 return '';
00179         }
00180 
00187         public static function showCharacterDifference( $old, $new ) {
00188                 global $wgRCChangedSizeThreshold, $wgLang, $wgMiserMode;
00189                 $szdiff = $new - $old;
00190 
00191                 $code = $wgLang->getCode();
00192                 static $fastCharDiff = array();
00193                 if ( !isset($fastCharDiff[$code]) ) {
00194                         $fastCharDiff[$code] = $wgMiserMode || wfMsgNoTrans( 'rc-change-size' ) === '$1';
00195                 }
00196 
00197                 $formattedSize = $wgLang->formatNum($szdiff);
00198 
00199                 if ( !$fastCharDiff[$code] ) {
00200                         $formattedSize = wfMsgExt( 'rc-change-size', array( 'parsemag' ), $formattedSize );
00201                 }
00202 
00203                 if( abs( $szdiff ) > abs( $wgRCChangedSizeThreshold ) ) {
00204                         $tag = 'strong';
00205                 } else {
00206                         $tag = 'span';
00207                 }
00208 
00209                 if ( $szdiff === 0 ) {
00210                         $formattedSizeClass = 'mw-plusminus-null';
00211                 }
00212                 if ( $szdiff > 0 ) {
00213                         $formattedSize = '+' . $formattedSize;
00214                         $formattedSizeClass = 'mw-plusminus-pos';
00215                 }
00216                 if ( $szdiff < 0 ) {
00217                         $formattedSizeClass = 'mw-plusminus-neg';
00218                 }
00219 
00220                 $formattedTotalSize = wfMsgExt( 'rc-change-size-new', 'parsemag', $wgLang->formatNum( $new ) );
00221 
00222                 return Html::element( $tag,
00223                         array( 'dir' => 'ltr', 'class' => $formattedSizeClass, 'title' => $formattedTotalSize ),
00224                         wfMessage( 'parentheses', $formattedSize )->plain() ) . $wgLang->getDirMark();
00225         }
00226 
00231         public function endRecentChangesList() {
00232                 if( $this->rclistOpen ) {
00233                         return "</ul>\n";
00234                 } else {
00235                         return '';
00236                 }
00237         }
00238 
00239         public function insertDateHeader( &$s, $rc_timestamp ) {
00240                 # Make date header if necessary
00241                 $date = $this->getLanguage()->date( $rc_timestamp, true, true );
00242                 if( $date != $this->lastdate ) {
00243                         if( $this->lastdate != '' ) {
00244                                 $s .= "</ul>\n";
00245                         }
00246                         $s .= Xml::element( 'h4', null, $date ) . "\n<ul class=\"special\">";
00247                         $this->lastdate = $date;
00248                         $this->rclistOpen = true;
00249                 }
00250         }
00251 
00252         public function insertLog( &$s, $title, $logtype ) {
00253                 $page = new LogPage( $logtype );
00254                 $logname = $page->getName()->escaped();
00255                 $s .= '(' . Linker::linkKnown( $title, $logname ) . ')';
00256         }
00257 
00263         public function insertDiffHist( &$s, &$rc, $unpatrolled ) {
00264                 # Diff link
00265                 if( $rc->mAttribs['rc_type'] == RC_NEW || $rc->mAttribs['rc_type'] == RC_LOG ) {
00266                         $diffLink = $this->message['diff'];
00267                 } elseif ( !self::userCan( $rc, Revision::DELETED_TEXT, $this->getUser() ) ) {
00268                         $diffLink = $this->message['diff'];
00269                 } else {
00270                         $query = array(
00271                                 'curid' => $rc->mAttribs['rc_cur_id'],
00272                                 'diff'  => $rc->mAttribs['rc_this_oldid'],
00273                                 'oldid' => $rc->mAttribs['rc_last_oldid']
00274                         );
00275 
00276                         if( $unpatrolled ) {
00277                                 $query['rcid'] = $rc->mAttribs['rc_id'];
00278                         };
00279 
00280                         $diffLink = Linker::linkKnown(
00281                                 $rc->getTitle(),
00282                                 $this->message['diff'],
00283                                 array( 'tabindex' => $rc->counter ),
00284                                 $query
00285                         );
00286                 }
00287                 $s .= '(' . $diffLink . $this->message['pipe-separator'];
00288                 # History link
00289                 $s .= Linker::linkKnown(
00290                         $rc->getTitle(),
00291                         $this->message['hist'],
00292                         array(),
00293                         array(
00294                                 'curid' => $rc->mAttribs['rc_cur_id'],
00295                                 'action' => 'history'
00296                         )
00297                 );
00298                 $s .= ') . . ';
00299         }
00300 
00307         public function insertArticleLink( &$s, &$rc, $unpatrolled, $watched ) {
00308                 # If it's a new article, there is no diff link, but if it hasn't been
00309                 # patrolled yet, we need to give users a way to do so
00310                 $params = array();
00311 
00312                 if ( $unpatrolled && $rc->mAttribs['rc_type'] == RC_NEW ) {
00313                         $params['rcid'] = $rc->mAttribs['rc_id'];
00314                 }
00315 
00316                 $articlelink = Linker::linkKnown(
00317                         $rc->getTitle(),
00318                         null,
00319                         array(),
00320                         $params
00321                 );
00322                 if( $this->isDeleted($rc,Revision::DELETED_TEXT) ) {
00323                         $articlelink = '<span class="history-deleted">' . $articlelink . '</span>';
00324                 }
00325                 # Bolden pages watched by this user
00326                 if( $watched ) {
00327                         $articlelink = "<strong class=\"mw-watched\">{$articlelink}</strong>";
00328                 }
00329                 # RTL/LTR marker
00330                 $articlelink .= $this->getLanguage()->getDirMark();
00331 
00332                 wfRunHooks( 'ChangesListInsertArticleLink',
00333                         array(&$this, &$articlelink, &$s, &$rc, $unpatrolled, $watched) );
00334 
00335                 $s .= " $articlelink";
00336         }
00337 
00342         public function insertTimestamp( &$s, $rc ) {
00343                 $s .= $this->message['semicolon-separator'] .
00344                         $this->getLanguage()->time( $rc->mAttribs['rc_timestamp'], true, true ) . ' . . ';
00345         }
00346 
00353         public function insertUserRelatedLinks( &$s, &$rc ) {
00354                 if( $this->isDeleted( $rc, Revision::DELETED_USER ) ) {
00355                         $s .= ' <span class="history-deleted">' . wfMsgHtml( 'rev-deleted-user' ) . '</span>';
00356                 } else {
00357                         $s .= $this->getLanguage()->getDirMark() . Linker::userLink( $rc->mAttribs['rc_user'],
00358                                 $rc->mAttribs['rc_user_text'] );
00359                         $s .= Linker::userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
00360                 }
00361         }
00362 
00368         public function insertLogEntry( $rc ) {
00369                 $formatter = LogFormatter::newFromRow( $rc->mAttribs );
00370                 $formatter->setShowUserToolLinks( true );
00371                 $mark = $this->getLanguage()->getDirMark();
00372                 return $formatter->getActionText() . " $mark" . $formatter->getComment();
00373         }
00374 
00379         public function insertComment( $rc ) {
00380                 if( $rc->mAttribs['rc_type'] != RC_MOVE && $rc->mAttribs['rc_type'] != RC_MOVE_OVER_REDIRECT ) {
00381                         if( $this->isDeleted( $rc, Revision::DELETED_COMMENT ) ) {
00382                                 return ' <span class="history-deleted">' . wfMsgHtml( 'rev-deleted-comment' ) . '</span>';
00383                         } else {
00384                                 return Linker::commentBlock( $rc->mAttribs['rc_comment'], $rc->getTitle() );
00385                         }
00386                 }
00387         }
00388 
00393         public static function usePatrol() {
00394                 global $wgUser;
00395                 return $wgUser->useRCPatrol();
00396         }
00397 
00401         protected function numberofWatchingusers( $count ) {
00402                 static $cache = array();
00403                 if( $count > 0 ) {
00404                         if( !isset( $cache[$count] ) ) {
00405                                 $cache[$count] = wfMsgExt( 'number_of_watching_users_RCview',
00406                                         array('parsemag', 'escape' ), $this->getLanguage()->formatNum( $count ) );
00407                         }
00408                         return $cache[$count];
00409                 } else {
00410                         return '';
00411                 }
00412         }
00413 
00420         public static function isDeleted( $rc, $field ) {
00421                 return ( $rc->mAttribs['rc_deleted'] & $field ) == $field;
00422         }
00423 
00432         public static function userCan( $rc, $field, User $user = null ) {
00433                 if( $rc->mAttribs['rc_type'] == RC_LOG ) {
00434                         return LogEventsList::userCanBitfield( $rc->mAttribs['rc_deleted'], $field, $user );
00435                 } else {
00436                         return Revision::userCanBitfield( $rc->mAttribs['rc_deleted'], $field, $user );
00437                 }
00438         }
00439 
00445         protected function maybeWatchedLink( $link, $watched = false ) {
00446                 if( $watched ) {
00447                         return '<strong class="mw-watched">' . $link . '</strong>';
00448                 } else {
00449                         return '<span class="mw-rc-unwatched">' . $link . '</span>';
00450                 }
00451         }
00452 
00458         public function insertRollback( &$s, &$rc ) {
00459                 if( !$rc->mAttribs['rc_new'] && $rc->mAttribs['rc_this_oldid'] && $rc->mAttribs['rc_cur_id'] ) {
00460                         $page = $rc->getTitle();
00463                         if ( $this->getUser()->isAllowed('rollback') && $rc->mAttribs['page_latest'] == $rc->mAttribs['rc_this_oldid'] )
00464                         {
00465                                 $rev = new Revision( array(
00466                                         'id'        => $rc->mAttribs['rc_this_oldid'],
00467                                         'user'      => $rc->mAttribs['rc_user'],
00468                                         'user_text' => $rc->mAttribs['rc_user_text'],
00469                                         'deleted'   => $rc->mAttribs['rc_deleted']
00470                                 ) );
00471                                 $rev->setTitle( $page );
00472                                 $s .= ' '.Linker::generateRollback( $rev, $this->getContext() );
00473                         }
00474                 }
00475         }
00476 
00482         public function insertTags( &$s, &$rc, &$classes ) {
00483                 if ( empty($rc->mAttribs['ts_tags']) )
00484                         return;
00485 
00486                 list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow( $rc->mAttribs['ts_tags'], 'changeslist' );
00487                 $classes = array_merge( $classes, $newClasses );
00488                 $s .= ' ' . $tagSummary;
00489         }
00490 
00491         public function insertExtra( &$s, &$rc, &$classes ) {
00492                 ## Empty, used for subclassers to add anything special.
00493         }
00494 
00495         protected function showAsUnpatrolled( RecentChange $rc ) {
00496                 $unpatrolled = false;
00497                 if ( !$rc->mAttribs['rc_patrolled'] ) {
00498                         if ( $this->getUser()->useRCPatrol() ) {
00499                                 $unpatrolled = true;
00500                         } elseif ( $this->getUser()->useNPPatrol() && $rc->mAttribs['rc_new'] ) {
00501                                 $unpatrolled = true;
00502                         }
00503                 }
00504                 return $unpatrolled;
00505         }
00506 }
00507 
00508 
00512 class OldChangesList extends ChangesList {
00518         public function recentChangesLine( &$rc, $watched = false, $linenumber = null ) {
00519                 global $wgRCShowChangedSize;
00520                 wfProfileIn( __METHOD__ );
00521 
00522                 # Should patrol-related stuff be shown?
00523                 $unpatrolled = $this->showAsUnpatrolled( $rc );
00524 
00525                 $dateheader = ''; // $s now contains only <li>...</li>, for hooks' convenience.
00526                 $this->insertDateHeader( $dateheader, $rc->mAttribs['rc_timestamp'] );
00527 
00528                 $s = '';
00529                 $classes = array();
00530                 // use mw-line-even/mw-line-odd class only if linenumber is given (feature from bug 14468)
00531                 if( $linenumber ) {
00532                         if( $linenumber & 1 ) {
00533                                 $classes[] = 'mw-line-odd';
00534                         }
00535                         else {
00536                                 $classes[] = 'mw-line-even';
00537                         }
00538                 }
00539 
00540                 // Moved pages (very very old, not supported anymore)
00541                 if( $rc->mAttribs['rc_type'] == RC_MOVE || $rc->mAttribs['rc_type'] == RC_MOVE_OVER_REDIRECT ) {
00542                 // Log entries
00543                 } elseif( $rc->mAttribs['rc_log_type'] ) {
00544                         $logtitle = Title::newFromText( 'Log/'.$rc->mAttribs['rc_log_type'], NS_SPECIAL );
00545                         $this->insertLog( $s, $logtitle, $rc->mAttribs['rc_log_type'] );
00546                 // Log entries (old format) or log targets, and special pages
00547                 } elseif( $rc->mAttribs['rc_namespace'] == NS_SPECIAL ) {
00548                         list( $name, $subpage ) = SpecialPageFactory::resolveAlias( $rc->mAttribs['rc_title'] );
00549                         if( $name == 'Log' ) {
00550                                 $this->insertLog( $s, $rc->getTitle(), $subpage );
00551                         }
00552                 // Regular entries
00553                 } else {
00554                         $this->insertDiffHist( $s, $rc, $unpatrolled );
00555                         # M, N, b and ! (minor, new, bot and unpatrolled)
00556                         $s .= $this->recentChangesFlags(
00557                                 array(
00558                                         'newpage' => $rc->mAttribs['rc_new'],
00559                                         'minor' => $rc->mAttribs['rc_minor'],
00560                                         'unpatrolled' => $unpatrolled,
00561                                         'bot' => $rc->mAttribs['rc_bot']
00562                                 ),
00563                                 ''
00564                         );
00565                         $this->insertArticleLink( $s, $rc, $unpatrolled, $watched );
00566                 }
00567                 # Edit/log timestamp
00568                 $this->insertTimestamp( $s, $rc );
00569                 # Bytes added or removed
00570                 if( $wgRCShowChangedSize ) {
00571                         $cd = $rc->getCharacterDifference();
00572                         if( $cd != '' ) {
00573                                 $s .= "$cd  . . ";
00574                         }
00575                 }
00576 
00577                 if ( $rc->mAttribs['rc_type'] == RC_LOG ) {
00578                         $s .= $this->insertLogEntry( $rc );
00579                 } else {
00580                         # User tool links
00581                         $this->insertUserRelatedLinks( $s, $rc );
00582                         # LTR/RTL direction mark
00583                         $s .= $this->getLanguage()->getDirMark();
00584                         $s .= $this->insertComment( $rc );
00585                 }
00586 
00587                 # Tags
00588                 $this->insertTags( $s, $rc, $classes );
00589                 # Rollback
00590                 $this->insertRollback( $s, $rc );
00591                 # For subclasses
00592                 $this->insertExtra( $s, $rc, $classes );
00593 
00594                 # How many users watch this page
00595                 if( $rc->numberofWatchingusers > 0 ) {
00596                         $s .= ' ' . wfMsgExt( 'number_of_watching_users_RCview',
00597                                 array( 'parsemag', 'escape' ), $this->getLanguage()->formatNum( $rc->numberofWatchingusers ) );
00598                 }
00599 
00600                 if( $this->watchlist ) {
00601                         $classes[] = Sanitizer::escapeClass( 'watchlist-'.$rc->mAttribs['rc_namespace'].'-'.$rc->mAttribs['rc_title'] );
00602                 }
00603 
00604                 wfRunHooks( 'OldChangesListRecentChangesLine', array(&$this, &$s, $rc) );
00605 
00606                 wfProfileOut( __METHOD__ );
00607                 return "$dateheader<li class=\"".implode( ' ', $classes )."\">".$s."</li>\n";
00608         }
00609 }
00610 
00611 
00615 class EnhancedChangesList extends ChangesList {
00616 
00617         protected $rc_cache;
00618 
00623         public function beginRecentChangesList() {
00624                 $this->rc_cache = array();
00625                 $this->rcMoveIndex = 0;
00626                 $this->rcCacheIndex = 0;
00627                 $this->lastdate = '';
00628                 $this->rclistOpen = false;
00629                 $this->getOutput()->addModuleStyles( 'mediawiki.special.changeslist' );
00630                 return '';
00631         }
00640         public function recentChangesLine( &$baseRC, $watched = false ) {
00641                 wfProfileIn( __METHOD__ );
00642 
00643                 # Create a specialised object
00644                 $rc = RCCacheEntry::newFromParent( $baseRC );
00645 
00646                 $curIdEq = array( 'curid' => $rc->mAttribs['rc_cur_id'] );
00647 
00648                 # If it's a new day, add the headline and flush the cache
00649                 $date = $this->getLanguage()->date( $rc->mAttribs['rc_timestamp'], true );
00650                 $ret = '';
00651                 if( $date != $this->lastdate ) {
00652                         # Process current cache
00653                         $ret = $this->recentChangesBlock();
00654                         $this->rc_cache = array();
00655                         $ret .= Xml::element( 'h4', null, $date ) . "\n";
00656                         $this->lastdate = $date;
00657                 }
00658 
00659                 # Should patrol-related stuff be shown?
00660                 $rc->unpatrolled = $this->showAsUnpatrolled( $rc );
00661 
00662                 $showdifflinks = true;
00663                 # Make article link
00664                 $type = $rc->mAttribs['rc_type'];
00665                 $logType = $rc->mAttribs['rc_log_type'];
00666                 // Page moves, very old style, not supported anymore
00667                 if( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
00668                 // New unpatrolled pages
00669                 } elseif( $rc->unpatrolled && $type == RC_NEW ) {
00670                         $clink = Linker::linkKnown( $rc->getTitle(), null, array(),
00671                                 array( 'rcid' => $rc->mAttribs['rc_id'] ) );
00672                 // Log entries
00673                 } elseif( $type == RC_LOG ) {
00674                         if( $logType ) {
00675                                 $logtitle = SpecialPage::getTitleFor( 'Log', $logType );
00676                                 $logpage = new LogPage( $logType );
00677                                 $logname = $logpage->getName()->escaped();
00678                                 $clink = '(' . Linker::linkKnown( $logtitle, $logname ) . ')';
00679                         } else {
00680                                 $clink = Linker::link( $rc->getTitle() );
00681                         }
00682                         $watched = false;
00683                 // Log entries (old format) and special pages
00684                 } elseif( $rc->mAttribs['rc_namespace'] == NS_SPECIAL ) {
00685                         wfDebug( "Unexpected special page in recentchanges\n" );
00686                         $clink = '';
00687                 // Edits
00688                 } else {
00689                         $clink = Linker::linkKnown( $rc->getTitle() );
00690                 }
00691 
00692                 # Don't show unusable diff links
00693                 if ( !ChangesList::userCan( $rc, Revision::DELETED_TEXT, $this->getUser() ) ) {
00694                         $showdifflinks = false;
00695                 }
00696 
00697                 $time = $this->getLanguage()->time( $rc->mAttribs['rc_timestamp'], true, true );
00698                 $rc->watched = $watched;
00699                 $rc->link = $clink;
00700                 $rc->timestamp = $time;
00701                 $rc->numberofWatchingusers = $baseRC->numberofWatchingusers;
00702 
00703                 # Make "cur" and "diff" links.  Do not use link(), it is too slow if
00704                 # called too many times (50% of CPU time on RecentChanges!).
00705                 $thisOldid = $rc->mAttribs['rc_this_oldid'];
00706                 $lastOldid = $rc->mAttribs['rc_last_oldid'];
00707                 if( $rc->unpatrolled ) {
00708                         $rcIdQuery = array( 'rcid' => $rc->mAttribs['rc_id'] );
00709                 } else {
00710                         $rcIdQuery = array();
00711                 }
00712                 $querycur = $curIdEq + array( 'diff' => '0', 'oldid' => $thisOldid );
00713                 $querydiff = $curIdEq + array( 'diff' => $thisOldid, 'oldid' =>
00714                         $lastOldid ) + $rcIdQuery;
00715 
00716                 if( !$showdifflinks ) {
00717                         $curLink = $this->message['cur'];
00718                         $diffLink = $this->message['diff'];
00719                 } elseif( in_array( $type, array( RC_NEW, RC_LOG, RC_MOVE, RC_MOVE_OVER_REDIRECT ) ) ) {
00720                         if ( $type != RC_NEW ) {
00721                                 $curLink = $this->message['cur'];
00722                         } else {
00723                                 $curUrl = htmlspecialchars( $rc->getTitle()->getLinkURL( $querycur ) );
00724                                 $curLink = "<a href=\"$curUrl\" tabindex=\"{$baseRC->counter}\">{$this->message['cur']}</a>";
00725                         }
00726                         $diffLink = $this->message['diff'];
00727                 } else {
00728                         $diffUrl = htmlspecialchars( $rc->getTitle()->getLinkURL( $querydiff ) );
00729                         $curUrl = htmlspecialchars( $rc->getTitle()->getLinkURL( $querycur ) );
00730                         $diffLink = "<a href=\"$diffUrl\" tabindex=\"{$baseRC->counter}\">{$this->message['diff']}</a>";
00731                         $curLink = "<a href=\"$curUrl\" tabindex=\"{$baseRC->counter}\">{$this->message['cur']}</a>";
00732                 }
00733 
00734                 # Make "last" link
00735                 if( !$showdifflinks || !$lastOldid ) {
00736                         $lastLink = $this->message['last'];
00737                 } elseif( in_array( $type, array( RC_LOG, RC_MOVE, RC_MOVE_OVER_REDIRECT ) ) ) {
00738                         $lastLink = $this->message['last'];
00739                 } else {
00740                         $lastLink = Linker::linkKnown( $rc->getTitle(), $this->message['last'],
00741                                 array(), $curIdEq + array('diff' => $thisOldid, 'oldid' => $lastOldid) + $rcIdQuery );
00742                 }
00743 
00744                 # Make user links
00745                 if( $this->isDeleted( $rc, Revision::DELETED_USER ) ) {
00746                         $rc->userlink = ' <span class="history-deleted">' . wfMsgHtml( 'rev-deleted-user' ) . '</span>';
00747                 } else {
00748                         $rc->userlink = Linker::userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
00749                         $rc->usertalklink = Linker::userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
00750                 }
00751 
00752                 $rc->lastlink = $lastLink;
00753                 $rc->curlink  = $curLink;
00754                 $rc->difflink = $diffLink;
00755 
00756                 # Put accumulated information into the cache, for later display
00757                 # Page moves go on their own line
00758                 $title = $rc->getTitle();
00759                 $secureName = $title->getPrefixedDBkey();
00760                 if( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
00761                         # Use an @ character to prevent collision with page names
00762                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
00763                 } else {
00764                         # Logs are grouped by type
00765                         if( $type == RC_LOG ){
00766                                 $secureName = SpecialPage::getTitleFor( 'Log', $logType )->getPrefixedDBkey();
00767                         }
00768                         if( !isset( $this->rc_cache[$secureName] ) ) {
00769                                 $this->rc_cache[$secureName] = array();
00770                         }
00771 
00772                         array_push( $this->rc_cache[$secureName], $rc );
00773                 }
00774 
00775                 wfProfileOut( __METHOD__ );
00776 
00777                 return $ret;
00778         }
00779 
00783         protected function recentChangesBlockGroup( $block ) {
00784                 global $wgRCShowChangedSize;
00785 
00786                 wfProfileIn( __METHOD__ );
00787 
00788                 # Add the namespace and title of the block as part of the class
00789                 if ( $block[0]->mAttribs['rc_log_type'] ) {
00790                         # Log entry
00791                         $classes = 'mw-collapsible mw-collapsed mw-enhanced-rc ' . Sanitizer::escapeClass( 'mw-changeslist-log-'
00792                                 . $block[0]->mAttribs['rc_log_type'] );
00793                 } else {
00794                         $classes = 'mw-collapsible mw-collapsed mw-enhanced-rc ' . Sanitizer::escapeClass( 'mw-changeslist-ns'
00795                                         . $block[0]->mAttribs['rc_namespace'] . '-' . $block[0]->mAttribs['rc_title'] );
00796                 }
00797                 $r = Html::openElement( 'table', array( 'class' => $classes ) ) .
00798                         Html::openElement( 'tr' );
00799 
00800                 # Collate list of users
00801                 $userlinks = array();
00802                 # Other properties
00803                 $unpatrolled = false;
00804                 $isnew = false;
00805                 $curId = $currentRevision = 0;
00806                 # Some catalyst variables...
00807                 $namehidden = true;
00808                 $allLogs = true;
00809                 foreach( $block as $rcObj ) {
00810                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
00811                         if( $rcObj->mAttribs['rc_new'] ) {
00812                                 $isnew = true;
00813                         }
00814                         // If all log actions to this page were hidden, then don't
00815                         // give the name of the affected page for this block!
00816                         if( !$this->isDeleted( $rcObj, LogPage::DELETED_ACTION ) ) {
00817                                 $namehidden = false;
00818                         }
00819                         $u = $rcObj->userlink;
00820                         if( !isset( $userlinks[$u] ) ) {
00821                                 $userlinks[$u] = 0;
00822                         }
00823                         if( $rcObj->unpatrolled ) {
00824                                 $unpatrolled = true;
00825                         }
00826                         if( $rcObj->mAttribs['rc_type'] != RC_LOG ) {
00827                                 $allLogs = false;
00828                         }
00829                         # Get the latest entry with a page_id and oldid
00830                         # since logs may not have these.
00831                         if( !$curId && $rcObj->mAttribs['rc_cur_id'] ) {
00832                                 $curId = $rcObj->mAttribs['rc_cur_id'];
00833                         }
00834                         if( !$currentRevision && $rcObj->mAttribs['rc_this_oldid'] ) {
00835                                 $currentRevision = $rcObj->mAttribs['rc_this_oldid'];
00836                         }
00837 
00838                         $bot = $rcObj->mAttribs['rc_bot'];
00839                         $userlinks[$u]++;
00840                 }
00841 
00842                 # Sort the list and convert to text
00843                 krsort( $userlinks );
00844                 asort( $userlinks );
00845                 $users = array();
00846                 foreach( $userlinks as $userlink => $count) {
00847                         $text = $userlink;
00848                         $text .= $this->getLanguage()->getDirMark();
00849                         if( $count > 1 ) {
00850                                 $text .= ' (' . $this->getLanguage()->formatNum( $count ) . '×)';
00851                         }
00852                         array_push( $users, $text );
00853                 }
00854 
00855                 $users = ' <span class="changedby">[' .
00856                         implode( $this->message['semicolon-separator'], $users ) . ']</span>';
00857 
00858                 # Title for <a> tags
00859                 $expandTitle = htmlspecialchars( wfMsg( 'rc-enhanced-expand' ) );
00860                 $closeTitle = htmlspecialchars( wfMsg( 'rc-enhanced-hide' ) );
00861 
00862                 $tl = "<span class='mw-collapsible-toggle'>"
00863                         . "<span class='mw-rc-openarrow'>"
00864                         . "<a href='#' title='$expandTitle'>{$this->sideArrow()}</a>"
00865                         . "</span><span class='mw-rc-closearrow'>"
00866                         . "<a href='#' title='$closeTitle'>{$this->downArrow()}</a>"
00867                         . "</span></span>";
00868                 $r .= "<td>$tl</td>";
00869 
00870                 # Main line
00871                 $r .= '<td class="mw-enhanced-rc">' . $this->recentChangesFlags( array(
00872                         'newpage' => $isnew,
00873                         'minor' => false,
00874                         'unpatrolled' => $unpatrolled,
00875                         'bot' => $bot ,
00876                 ) );
00877 
00878                 # Timestamp
00879                 $r .= '&#160;'.$block[0]->timestamp.'&#160;</td><td>';
00880 
00881                 # Article link
00882                 if( $namehidden ) {
00883                         $r .= ' <span class="history-deleted">' . wfMsgHtml( 'rev-deleted-event' ) . '</span>';
00884                 } elseif( $allLogs ) {
00885                         $r .= $this->maybeWatchedLink( $block[0]->link, $block[0]->watched );
00886                 } else {
00887                         $this->insertArticleLink( $r, $block[0], $block[0]->unpatrolled, $block[0]->watched );
00888                 }
00889 
00890                 $r .= $this->getLanguage()->getDirMark();
00891 
00892                 $queryParams['curid'] = $curId;
00893                 # Changes message
00894                 $n = count($block);
00895                 static $nchanges = array();
00896                 if ( !isset( $nchanges[$n] ) ) {
00897                         $nchanges[$n] = wfMsgExt( 'nchanges', array( 'parsemag', 'escape' ), $this->getLanguage()->formatNum( $n ) );
00898                 }
00899                 # Total change link
00900                 $r .= ' ';
00901                 if( !$allLogs ) {
00902                         $r .= '(';
00903                         if( !ChangesList::userCan( $rcObj, Revision::DELETED_TEXT, $this->getUser() ) ) {
00904                                 $r .= $nchanges[$n];
00905                         } elseif( $isnew ) {
00906                                 $r .= $nchanges[$n];
00907                         } else {
00908                                 $params = $queryParams;
00909                                 $params['diff'] = $currentRevision;
00910                                 $params['oldid'] = $oldid;
00911 
00912                                 $r .= Linker::link(
00913                                         $block[0]->getTitle(),
00914                                         $nchanges[$n],
00915                                         array(),
00916                                         $params,
00917                                         array( 'known', 'noclasses' )
00918                                 );
00919                         }
00920                 }
00921 
00922                 # History
00923                 if( $allLogs ) {
00924                         // don't show history link for logs
00925                 } elseif( $namehidden || !$block[0]->getTitle()->exists() ) {
00926                         $r .= $this->message['pipe-separator'] . $this->message['hist'] . ')';
00927                 } else {
00928                         $params = $queryParams;
00929                         $params['action'] = 'history';
00930 
00931                         $r .= $this->message['pipe-separator'] .
00932                                 Linker::linkKnown(
00933                                         $block[0]->getTitle(),
00934                                         $this->message['hist'],
00935                                         array(),
00936                                         $params
00937                                 ) . ')';
00938                 }
00939                 $r .= ' . . ';
00940 
00941                 # Character difference (does not apply if only log items)
00942                 if( $wgRCShowChangedSize && !$allLogs ) {
00943                         $last = 0;
00944                         $first = count($block) - 1;
00945                         # Some events (like logs) have an "empty" size, so we need to skip those...
00946                         while( $last < $first && $block[$last]->mAttribs['rc_new_len'] === null ) {
00947                                 $last++;
00948                         }
00949                         while( $first > $last && $block[$first]->mAttribs['rc_old_len'] === null ) {
00950                                 $first--;
00951                         }
00952                         # Get net change
00953                         $chardiff = $rcObj->getCharacterDifference( $block[$first]->mAttribs['rc_old_len'],
00954                                 $block[$last]->mAttribs['rc_new_len'] );
00955 
00956                         if( $chardiff == '' ) {
00957                                 $r .= ' ';
00958                         } else {
00959                                 $r .= ' ' . $chardiff. ' . . ';
00960                         }
00961                 }
00962 
00963                 $r .= $users;
00964                 $r .= $this->numberofWatchingusers($block[0]->numberofWatchingusers);
00965 
00966                 # Sub-entries
00967                 foreach( $block as $rcObj ) {
00968                         # Classes to apply -- TODO implement
00969                         $classes = array();
00970                         $type = $rcObj->mAttribs['rc_type'];
00971 
00972                         #$r .= '<tr><td valign="top">'.$this->spacerArrow();
00973                         $r .= '<tr><td></td><td class="mw-enhanced-rc">';
00974                         $r .= $this->recentChangesFlags( array(
00975                                 'newpage' => $rcObj->mAttribs['rc_new'],
00976                                 'minor' => $rcObj->mAttribs['rc_minor'],
00977                                 'unpatrolled' => $rcObj->unpatrolled,
00978                                 'bot' => $rcObj->mAttribs['rc_bot'],
00979                         ) );
00980                         $r .= '&#160;</td><td class="mw-enhanced-rc-nested"><span class="mw-enhanced-rc-time">';
00981 
00982                         $params = $queryParams;
00983 
00984                         if( $rcObj->mAttribs['rc_this_oldid'] != 0 ) {
00985                                 $params['oldid'] = $rcObj->mAttribs['rc_this_oldid'];
00986                         }
00987 
00988                         # Log timestamp
00989                         if( $type == RC_LOG ) {
00990                                 $link = $rcObj->timestamp;
00991                         # Revision link
00992                         } elseif( !ChangesList::userCan( $rcObj, Revision::DELETED_TEXT, $this->getUser() ) ) {
00993                                 $link = '<span class="history-deleted">'.$rcObj->timestamp.'</span> ';
00994                         } else {
00995                                 if ( $rcObj->unpatrolled && $type == RC_NEW) {
00996                                         $params['rcid'] = $rcObj->mAttribs['rc_id'];
00997                                 }
00998 
00999                                 $link = Linker::linkKnown(
01000                                                 $rcObj->getTitle(),
01001                                                 $rcObj->timestamp,
01002                                                 array(),
01003                                                 $params
01004                                         );
01005                                 if( $this->isDeleted($rcObj,Revision::DELETED_TEXT) )
01006                                         $link = '<span class="history-deleted">'.$link.'</span> ';
01007                         }
01008                         $r .= $link . '</span>';
01009 
01010                         if ( !$type == RC_LOG || $type == RC_NEW ) {
01011                                 $r .= ' (';
01012                                 $r .= $rcObj->curlink;
01013                                 $r .= $this->message['pipe-separator'];
01014                                 $r .= $rcObj->lastlink;
01015                                 $r .= ')';
01016                         }
01017                         $r .= ' . . ';
01018 
01019                         # Character diff
01020                         if( $wgRCShowChangedSize && $rcObj->getCharacterDifference() ) {
01021                                 $r .= $rcObj->getCharacterDifference() . ' . . ' ;
01022                         }
01023 
01024                         if ( $rcObj->mAttribs['rc_type'] == RC_LOG ) {
01025                                 $r .= $this->insertLogEntry( $rcObj );
01026                         } else {
01027                                 # User links
01028                                 $r .= $rcObj->userlink;
01029                                 $r .= $rcObj->usertalklink;
01030                                 $r .= $this->insertComment( $rcObj );
01031                         }
01032 
01033                         # Rollback
01034                         $this->insertRollback( $r, $rcObj );
01035                         # Tags
01036                         $this->insertTags( $r, $rcObj, $classes );
01037 
01038                         $r .= "</td></tr>\n";
01039                 }
01040                 $r .= "</table>\n";
01041 
01042                 $this->rcCacheIndex++;
01043 
01044                 wfProfileOut( __METHOD__ );
01045 
01046                 return $r;
01047         }
01048 
01056         protected function arrow( $dir, $alt='', $title='' ) {
01057                 global $wgStylePath;
01058                 $encUrl = htmlspecialchars( $wgStylePath . '/common/images/Arr_' . $dir . '.png' );
01059                 $encAlt = htmlspecialchars( $alt );
01060                 $encTitle = htmlspecialchars( $title );
01061                 return "<img src=\"$encUrl\" width=\"12\" height=\"12\" alt=\"$encAlt\" title=\"$encTitle\" />";
01062         }
01063 
01069         protected function sideArrow() {
01070                 global $wgLang;
01071                 $dir = $wgLang->isRTL() ? 'l' : 'r';
01072                 return $this->arrow( $dir, '+', wfMsg( 'rc-enhanced-expand' ) );
01073         }
01074 
01080         protected function downArrow() {
01081                 return $this->arrow( 'd', '-', wfMsg( 'rc-enhanced-hide' ) );
01082         }
01083 
01088         protected function spacerArrow() {
01089                 return $this->arrow( '', codepointToUtf8( 0xa0 ) ); // non-breaking space
01090         }
01091 
01098         protected function recentChangesBlockLine( $rcObj ) {
01099                 global $wgRCShowChangedSize;
01100 
01101                 wfProfileIn( __METHOD__ );
01102                 $query['curid'] = $rcObj->mAttribs['rc_cur_id'];
01103 
01104                 $type = $rcObj->mAttribs['rc_type'];
01105                 $logType = $rcObj->mAttribs['rc_log_type'];
01106                 if( $logType ) {
01107                         # Log entry
01108                         $classes = Sanitizer::escapeClass( 'mw-changeslist-log-' . $logType );
01109                 } else {
01110                         $classes = 'mw-enhanced-rc ' . Sanitizer::escapeClass( 'mw-changeslist-ns' .
01111                                         $rcObj->mAttribs['rc_namespace'] . '-' . $rcObj->mAttribs['rc_title'] );
01112                 }
01113                 $r = Html::openElement( 'table', array( 'class' => $classes ) ) .
01114                         Html::openElement( 'tr' );
01115 
01116                 $r .= '<td class="mw-enhanced-rc">' . $this->spacerArrow();
01117                 # Flag and Timestamp
01118                 if( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
01119                         $r .= '&#160;&#160;&#160;&#160;'; // 4 flags -> 4 spaces
01120                 } else {
01121                         $r .= $this->recentChangesFlags( array(
01122                                 'newpage' => $type == RC_NEW,
01123                                 'minor' => $rcObj->mAttribs['rc_minor'],
01124                                 'unpatrolled' => $rcObj->unpatrolled,
01125                                 'bot' => $rcObj->mAttribs['rc_bot'],
01126                         ) );
01127                 }
01128                 $r .= '&#160;'.$rcObj->timestamp.'&#160;</td><td>';
01129                 # Article or log link
01130                 if( $logType ) {
01131                         $logtitle = SpecialPage::getTitleFor( 'Log', $logType );
01132                         $logname = LogPage::logName( $logType );
01133                         $r .= '(' . Linker::linkKnown( $logtitle, htmlspecialchars( $logname ) ) . ')';
01134                 } else {
01135                         $this->insertArticleLink( $r, $rcObj, $rcObj->unpatrolled, $rcObj->watched );
01136                 }
01137                 # Diff and hist links
01138                 if ( $type != RC_LOG ) {
01139                         $r .= ' ('. $rcObj->difflink . $this->message['pipe-separator'];
01140                         $query['action'] = 'history';
01141                         $r .= Linker::linkKnown(
01142                                 $rcObj->getTitle(),
01143                                 $this->message['hist'],
01144                                 array(),
01145                                 $query
01146                         ) . ')';
01147                 }
01148                 $r .= ' . . ';
01149                 # Character diff
01150                 if( $wgRCShowChangedSize && ($cd = $rcObj->getCharacterDifference()) ) {
01151                         $r .= "$cd . . ";
01152                 }
01153 
01154                 if ( $type == RC_LOG ) {
01155                         $r .= $this->insertLogEntry( $rcObj );
01156                 } else { 
01157                         $r .= ' '.$rcObj->userlink . $rcObj->usertalklink;
01158                         $r .= $this->insertComment( $rcObj );
01159                         $r .= $this->insertRollback( $r, $rcObj );
01160                 }
01161 
01162                 # Tags
01163                 $classes = explode( ' ', $classes );
01164                 $this->insertTags( $r, $rcObj, $classes );
01165                 # Show how many people are watching this if enabled
01166                 $r .= $this->numberofWatchingusers($rcObj->numberofWatchingusers);
01167 
01168                 $r .= "</td></tr></table>\n";
01169 
01170                 wfProfileOut( __METHOD__ );
01171 
01172                 return $r;
01173         }
01174 
01181         protected function recentChangesBlock() {
01182                 if( count ( $this->rc_cache ) == 0 ) {
01183                         return '';
01184                 }
01185 
01186                 wfProfileIn( __METHOD__ );
01187 
01188                 $blockOut = '';
01189                 foreach( $this->rc_cache as $block ) {
01190                         if( count( $block ) < 2 ) {
01191                                 $blockOut .= $this->recentChangesBlockLine( array_shift( $block ) );
01192                         } else {
01193                                 $blockOut .= $this->recentChangesBlockGroup( $block );
01194                         }
01195                 }
01196 
01197                 wfProfileOut( __METHOD__ );
01198 
01199                 return '<div>'.$blockOut.'</div>';
01200         }
01201 
01207         public function endRecentChangesList() {
01208                 return $this->recentChangesBlock() . parent::endRecentChangesList();
01209         }
01210 
01211 }