X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/includes/changes/EnhancedChangesList.php diff --git a/includes/changes/EnhancedChangesList.php b/includes/changes/EnhancedChangesList.php new file mode 100644 index 00000000..0df68281 --- /dev/null +++ b/includes/changes/EnhancedChangesList.php @@ -0,0 +1,806 @@ +getContext(); + } else { + if ( !$obj instanceof IContextSource ) { + throw new MWException( 'EnhancedChangesList must be constructed with a ' + . 'context source or skin.' ); + } + + $context = $obj; + } + + parent::__construct( $context, $filterGroups ); + + // message is set by the parent ChangesList class + $this->cacheEntryFactory = new RCCacheEntryFactory( + $context, + $this->message, + $this->linkRenderer + ); + $this->templateParser = new TemplateParser(); + } + + /** + * Add the JavaScript file for enhanced changeslist + * @return string + */ + public function beginRecentChangesList() { + $this->rc_cache = []; + $this->rcMoveIndex = 0; + $this->rcCacheIndex = 0; + $this->lastdate = ''; + $this->rclistOpen = false; + $this->getOutput()->addModuleStyles( [ + 'mediawiki.special.changeslist', + 'mediawiki.special.changeslist.enhanced', + ] ); + $this->getOutput()->addModules( [ + 'jquery.makeCollapsible', + 'mediawiki.icon', + ] ); + + return '
'; + } + + /** + * Format a line for enhanced recentchange (aka with javascript and block of lines). + * + * @param RecentChange &$rc + * @param bool $watched + * @param int $linenumber (default null) + * + * @return string + */ + public function recentChangesLine( &$rc, $watched = false, $linenumber = null ) { + $date = $this->getLanguage()->userDate( + $rc->mAttribs['rc_timestamp'], + $this->getUser() + ); + if ( $this->lastdate === '' ) { + $this->lastdate = $date; + } + + $ret = ''; + + # If it's a new day, flush the cache and update $this->lastdate + if ( $date !== $this->lastdate ) { + # Process current cache (uses $this->lastdate to generate a heading) + $ret = $this->recentChangesBlock(); + $this->rc_cache = []; + $this->lastdate = $date; + } + + $cacheEntry = $this->cacheEntryFactory->newFromRecentChange( $rc, $watched ); + $this->addCacheEntry( $cacheEntry ); + + return $ret; + } + + /** + * Put accumulated information into the cache, for later display. + * Page moves go on their own line. + * + * @param RCCacheEntry $cacheEntry + */ + protected function addCacheEntry( RCCacheEntry $cacheEntry ) { + $cacheGroupingKey = $this->makeCacheGroupingKey( $cacheEntry ); + + if ( !isset( $this->rc_cache[$cacheGroupingKey] ) ) { + $this->rc_cache[$cacheGroupingKey] = []; + } + + array_push( $this->rc_cache[$cacheGroupingKey], $cacheEntry ); + } + + /** + * @todo use rc_source to group, if set; fallback to rc_type + * + * @param RCCacheEntry $cacheEntry + * + * @return string + */ + protected function makeCacheGroupingKey( RCCacheEntry $cacheEntry ) { + $title = $cacheEntry->getTitle(); + $cacheGroupingKey = $title->getPrefixedDBkey(); + + $type = $cacheEntry->mAttribs['rc_type']; + + if ( $type == RC_LOG ) { + // Group by log type + $cacheGroupingKey = SpecialPage::getTitleFor( + 'Log', + $cacheEntry->mAttribs['rc_log_type'] + )->getPrefixedDBkey(); + } + + return $cacheGroupingKey; + } + + /** + * Enhanced RC group + * @param RCCacheEntry[] $block + * @return string + * @throws DomainException + */ + protected function recentChangesBlockGroup( $block ) { + $recentChangesFlags = $this->getConfig()->get( 'RecentChangesFlags' ); + + # Add the namespace and title of the block as part of the class + $tableClasses = [ 'mw-collapsible', 'mw-collapsed', 'mw-enhanced-rc', 'mw-changeslist-line' ]; + if ( $block[0]->mAttribs['rc_log_type'] ) { + # Log entry + $tableClasses[] = 'mw-changeslist-log'; + $tableClasses[] = Sanitizer::escapeClass( 'mw-changeslist-log-' + . $block[0]->mAttribs['rc_log_type'] ); + } else { + $tableClasses[] = 'mw-changeslist-edit'; + $tableClasses[] = Sanitizer::escapeClass( 'mw-changeslist-ns' + . $block[0]->mAttribs['rc_namespace'] . '-' . $block[0]->mAttribs['rc_title'] ); + } + if ( $block[0]->watched + && $block[0]->mAttribs['rc_timestamp'] >= $block[0]->watched + ) { + $tableClasses[] = 'mw-changeslist-line-watched'; + } else { + $tableClasses[] = 'mw-changeslist-line-not-watched'; + } + + # Collate list of users + $userlinks = []; + # Other properties + $curId = 0; + # Some catalyst variables... + $namehidden = true; + $allLogs = true; + $RCShowChangedSize = $this->getConfig()->get( 'RCShowChangedSize' ); + + # Default values for RC flags + $collectedRcFlags = []; + foreach ( $recentChangesFlags as $key => $value ) { + $flagGrouping = ( isset( $recentChangesFlags[$key]['grouping'] ) ? + $recentChangesFlags[$key]['grouping'] : 'any' ); + switch ( $flagGrouping ) { + case 'all': + $collectedRcFlags[$key] = true; + break; + case 'any': + $collectedRcFlags[$key] = false; + break; + default: + throw new DomainException( "Unknown grouping type \"{$flagGrouping}\"" ); + } + } + foreach ( $block as $rcObj ) { + // If all log actions to this page were hidden, then don't + // give the name of the affected page for this block! + if ( !$this->isDeleted( $rcObj, LogPage::DELETED_ACTION ) ) { + $namehidden = false; + } + $u = $rcObj->userlink; + if ( !isset( $userlinks[$u] ) ) { + $userlinks[$u] = 0; + } + if ( $rcObj->mAttribs['rc_type'] != RC_LOG ) { + $allLogs = false; + } + # Get the latest entry with a page_id and oldid + # since logs may not have these. + if ( !$curId && $rcObj->mAttribs['rc_cur_id'] ) { + $curId = $rcObj->mAttribs['rc_cur_id']; + } + + $userlinks[$u]++; + } + + # Sort the list and convert to text + krsort( $userlinks ); + asort( $userlinks ); + $users = []; + foreach ( $userlinks as $userlink => $count ) { + $text = $userlink; + $text .= $this->getLanguage()->getDirMark(); + if ( $count > 1 ) { + $formattedCount = $this->msg( 'ntimes' )->numParams( $count )->escaped(); + $text .= ' ' . $this->msg( 'parentheses' )->rawParams( $formattedCount )->escaped(); + } + array_push( $users, $text ); + } + + # Article link + $articleLink = ''; + $revDeletedMsg = false; + if ( $namehidden ) { + $revDeletedMsg = $this->msg( 'rev-deleted-event' )->escaped(); + } elseif ( $allLogs ) { + $articleLink = $this->maybeWatchedLink( $block[0]->link, $block[0]->watched ); + } else { + $articleLink = $this->getArticleLink( $block[0], $block[0]->unpatrolled, $block[0]->watched ); + } + + $queryParams['curid'] = $curId; + + # Sub-entries + $lines = []; + foreach ( $block as $i => $rcObj ) { + $line = $this->getLineData( $block, $rcObj, $queryParams ); + if ( !$line ) { + // completely ignore this RC entry if we don't want to render it + unset( $block[$i] ); + continue; + } + + // Roll up flags + foreach ( $line['recentChangesFlagsRaw'] as $key => $value ) { + $flagGrouping = ( isset( $recentChangesFlags[$key]['grouping'] ) ? + $recentChangesFlags[$key]['grouping'] : 'any' ); + switch ( $flagGrouping ) { + case 'all': + if ( !$value ) { + $collectedRcFlags[$key] = false; + } + break; + case 'any': + if ( $value ) { + $collectedRcFlags[$key] = true; + } + break; + default: + throw new DomainException( "Unknown grouping type \"{$flagGrouping}\"" ); + } + } + + $lines[] = $line; + } + + // Further down are some assumptions that $block is a 0-indexed array + // with (count-1) as last key. Let's make sure it is. + $block = array_values( $block ); + + if ( empty( $block ) || !$lines ) { + // if we can't show anything, don't display this block altogether + return ''; + } + + $logText = $this->getLogText( $block, $queryParams, $allLogs, + $collectedRcFlags['newpage'], $namehidden + ); + + # Character difference (does not apply if only log items) + $charDifference = false; + if ( $RCShowChangedSize && !$allLogs ) { + $last = 0; + $first = count( $block ) - 1; + # Some events (like logs and category changes) have an "empty" size, so we need to skip those... + while ( $last < $first && $block[$last]->mAttribs['rc_new_len'] === null ) { + $last++; + } + while ( $last < $first && $block[$first]->mAttribs['rc_old_len'] === null ) { + $first--; + } + # Get net change + $charDifference = $this->formatCharacterDifference( $block[$first], $block[$last] ); + } + + $numberofWatchingusers = $this->numberofWatchingusers( $block[0]->numberofWatchingusers ); + $usersList = $this->msg( 'brackets' )->rawParams( + implode( $this->message['semicolon-separator'], $users ) + )->escaped(); + + $prefix = ''; + if ( is_callable( $this->changeLinePrefixer ) ) { + $prefix = call_user_func( $this->changeLinePrefixer, $block[0], $this, true ); + } + + $templateParams = [ + 'articleLink' => $articleLink, + 'charDifference' => $charDifference, + 'collectedRcFlags' => $this->recentChangesFlags( $collectedRcFlags ), + 'languageDirMark' => $this->getLanguage()->getDirMark(), + 'lines' => $lines, + 'logText' => $logText, + 'numberofWatchingusers' => $numberofWatchingusers, + 'prefix' => $prefix, + 'rev-deleted-event' => $revDeletedMsg, + 'tableClasses' => $tableClasses, + 'timestamp' => $block[0]->timestamp, + 'fullTimestamp' => $block[0]->getAttribute( 'rc_timestamp' ), + 'users' => $usersList, + ]; + + $this->rcCacheIndex++; + + return $this->templateParser->processTemplate( + 'EnhancedChangesListGroup', + $templateParams + ); + } + + /** + * @param RCCacheEntry[] $block + * @param RCCacheEntry $rcObj + * @param array $queryParams + * @return array + * @throws Exception + * @throws FatalError + * @throws MWException + */ + protected function getLineData( array $block, RCCacheEntry $rcObj, array $queryParams = [] ) { + $RCShowChangedSize = $this->getConfig()->get( 'RCShowChangedSize' ); + + $type = $rcObj->mAttribs['rc_type']; + $data = []; + $lineParams = [ 'targetTitle' => $rcObj->getTitle() ]; + + $classes = [ 'mw-enhanced-rc' ]; + if ( $rcObj->watched + && $rcObj->mAttribs['rc_timestamp'] >= $rcObj->watched + ) { + $classes[] = 'mw-enhanced-watched'; + } + $classes = array_merge( $classes, $this->getHTMLClasses( $rcObj, $rcObj->watched ) ); + + $separator = ' . . '; + + $data['recentChangesFlags'] = [ + 'newpage' => $type == RC_NEW, + 'minor' => $rcObj->mAttribs['rc_minor'], + 'unpatrolled' => $rcObj->unpatrolled, + 'bot' => $rcObj->mAttribs['rc_bot'], + ]; + + $params = $queryParams; + + if ( $rcObj->mAttribs['rc_this_oldid'] != 0 ) { + $params['oldid'] = $rcObj->mAttribs['rc_this_oldid']; + } + + # Log timestamp + if ( $type == RC_LOG ) { + $link = $rcObj->timestamp; + # Revision link + } elseif ( !ChangesList::userCan( $rcObj, Revision::DELETED_TEXT, $this->getUser() ) ) { + $link = '' . $rcObj->timestamp . ' '; + } else { + $link = $this->linkRenderer->makeKnownLink( + $rcObj->getTitle(), + new HtmlArmor( $rcObj->timestamp ), + [], + $params + ); + if ( $this->isDeleted( $rcObj, Revision::DELETED_TEXT ) ) { + $link = '' . $link . ' '; + } + } + $data['timestampLink'] = $link; + + $currentAndLastLinks = ''; + if ( !$type == RC_LOG || $type == RC_NEW ) { + $currentAndLastLinks .= ' ' . $this->msg( 'parentheses' )->rawParams( + $rcObj->curlink . + $this->message['pipe-separator'] . + $rcObj->lastlink + )->escaped(); + } + $data['currentAndLastLinks'] = $currentAndLastLinks; + $data['separatorAfterCurrentAndLastLinks'] = $separator; + + # Character diff + if ( $RCShowChangedSize ) { + $cd = $this->formatCharacterDifference( $rcObj ); + if ( $cd !== '' ) { + $data['characterDiff'] = $cd; + $data['separatorAfterCharacterDiff'] = $separator; + } + } + + if ( $rcObj->mAttribs['rc_type'] == RC_LOG ) { + $data['logEntry'] = $this->insertLogEntry( $rcObj ); + } elseif ( $this->isCategorizationWithoutRevision( $rcObj ) ) { + $data['comment'] = $this->insertComment( $rcObj ); + } else { + # User links + $data['userLink'] = $rcObj->userlink; + $data['userTalkLink'] = $rcObj->usertalklink; + $data['comment'] = $this->insertComment( $rcObj ); + } + + # Rollback + $data['rollback'] = $this->getRollback( $rcObj ); + + # Tags + $data['tags'] = $this->getTags( $rcObj, $classes ); + + $attribs = $this->getDataAttributes( $rcObj ); + + // give the hook a chance to modify the data + $success = Hooks::run( 'EnhancedChangesListModifyLineData', + [ $this, &$data, $block, $rcObj, &$classes, &$attribs ] ); + if ( !$success ) { + // skip entry if hook aborted it + return []; + } + $attribs = wfArrayFilterByKey( $attribs, [ Sanitizer::class, 'isReservedDataAttribute' ] ); + + $lineParams['recentChangesFlagsRaw'] = []; + if ( isset( $data['recentChangesFlags'] ) ) { + $lineParams['recentChangesFlags'] = $this->recentChangesFlags( $data['recentChangesFlags'] ); + # FIXME: This is used by logic, don't return it in the template params. + $lineParams['recentChangesFlagsRaw'] = $data['recentChangesFlags']; + unset( $data['recentChangesFlags'] ); + } + + if ( isset( $data['timestampLink'] ) ) { + $lineParams['timestampLink'] = $data['timestampLink']; + unset( $data['timestampLink'] ); + } + + $lineParams['classes'] = array_values( $classes ); + $lineParams['attribs'] = Html::expandAttributes( $attribs ); + + // everything else: makes it easier for extensions to add or remove data + $lineParams['data'] = array_values( $data ); + + return $lineParams; + } + + /** + * Generates amount of changes (linking to diff ) & link to history. + * + * @param array $block + * @param array $queryParams + * @param bool $allLogs + * @param bool $isnew + * @param bool $namehidden + * @return string + */ + protected function getLogText( $block, $queryParams, $allLogs, $isnew, $namehidden ) { + if ( empty( $block ) ) { + return ''; + } + + # Changes message + static $nchanges = []; + static $sinceLastVisitMsg = []; + + $n = count( $block ); + if ( !isset( $nchanges[$n] ) ) { + $nchanges[$n] = $this->msg( 'nchanges' )->numParams( $n )->escaped(); + } + + $sinceLast = 0; + $unvisitedOldid = null; + /** @var RCCacheEntry $rcObj */ + foreach ( $block as $rcObj ) { + // Same logic as below inside main foreach + if ( $rcObj->watched && $rcObj->mAttribs['rc_timestamp'] >= $rcObj->watched ) { + $sinceLast++; + $unvisitedOldid = $rcObj->mAttribs['rc_last_oldid']; + } + } + if ( !isset( $sinceLastVisitMsg[$sinceLast] ) ) { + $sinceLastVisitMsg[$sinceLast] = + $this->msg( 'enhancedrc-since-last-visit' )->numParams( $sinceLast )->escaped(); + } + + $currentRevision = 0; + foreach ( $block as $rcObj ) { + if ( !$currentRevision ) { + $currentRevision = $rcObj->mAttribs['rc_this_oldid']; + } + } + + # Total change link + $links = []; + /** @var RecentChange $block0 */ + $block0 = $block[0]; + $last = $block[count( $block ) - 1]; + if ( !$allLogs ) { + if ( !ChangesList::userCan( $rcObj, Revision::DELETED_TEXT, $this->getUser() ) || + $isnew || + $rcObj->mAttribs['rc_type'] == RC_CATEGORIZE + ) { + $links['total-changes'] = $nchanges[$n]; + } else { + $links['total-changes'] = $this->linkRenderer->makeKnownLink( + $block0->getTitle(), + new HtmlArmor( $nchanges[$n] ), + [ 'class' => 'mw-changeslist-groupdiff' ], + $queryParams + [ + 'diff' => $currentRevision, + 'oldid' => $last->mAttribs['rc_last_oldid'], + ] + ); + if ( $sinceLast > 0 && $sinceLast < $n ) { + $links['total-changes-since-last'] = $this->linkRenderer->makeKnownLink( + $block0->getTitle(), + new HtmlArmor( $sinceLastVisitMsg[$sinceLast] ), + [ 'class' => 'mw-changeslist-groupdiff' ], + $queryParams + [ + 'diff' => $currentRevision, + 'oldid' => $unvisitedOldid, + ] + ); + } + } + } + + # History + if ( $allLogs || $rcObj->mAttribs['rc_type'] == RC_CATEGORIZE ) { + // don't show history link for logs + } elseif ( $namehidden || !$block0->getTitle()->exists() ) { + $links['history'] = $this->message['enhancedrc-history']; + } else { + $params = $queryParams; + $params['action'] = 'history'; + + $links['history'] = $this->linkRenderer->makeKnownLink( + $block0->getTitle(), + new HtmlArmor( $this->message['enhancedrc-history'] ), + [ 'class' => 'mw-changeslist-history' ], + $params + ); + } + + # Allow others to alter, remove or add to these links + Hooks::run( 'EnhancedChangesList::getLogText', + [ $this, &$links, $block ] ); + + if ( !$links ) { + return ''; + } + + $logtext = implode( $this->message['pipe-separator'], $links ); + $logtext = $this->msg( 'parentheses' )->rawParams( $logtext )->escaped(); + return ' ' . $logtext; + } + + /** + * Enhanced RC ungrouped line. + * + * @param RecentChange|RCCacheEntry $rcObj + * @return string A HTML formatted line (generated using $r) + */ + protected function recentChangesBlockLine( $rcObj ) { + $data = []; + + $query['curid'] = $rcObj->mAttribs['rc_cur_id']; + + $type = $rcObj->mAttribs['rc_type']; + $logType = $rcObj->mAttribs['rc_log_type']; + $classes = $this->getHTMLClasses( $rcObj, $rcObj->watched ); + $classes[] = 'mw-enhanced-rc'; + + if ( $logType ) { + # Log entry + $classes[] = 'mw-changeslist-log'; + $classes[] = Sanitizer::escapeClass( 'mw-changeslist-log-' . $logType ); + } else { + $classes[] = 'mw-changeslist-edit'; + $classes[] = Sanitizer::escapeClass( 'mw-changeslist-ns' . + $rcObj->mAttribs['rc_namespace'] . '-' . $rcObj->mAttribs['rc_title'] ); + } + + # Flag and Timestamp + $data['recentChangesFlags'] = [ + 'newpage' => $type == RC_NEW, + 'minor' => $rcObj->mAttribs['rc_minor'], + 'unpatrolled' => $rcObj->unpatrolled, + 'bot' => $rcObj->mAttribs['rc_bot'], + ]; + // timestamp is not really a link here, but is called timestampLink + // for consistency with EnhancedChangesListModifyLineData + $data['timestampLink'] = $rcObj->timestamp; + + # Article or log link + if ( $logType ) { + $logPage = new LogPage( $logType ); + $logTitle = SpecialPage::getTitleFor( 'Log', $logType ); + $logName = $logPage->getName()->text(); + $data['logLink'] = $this->msg( 'parentheses' ) + ->rawParams( + $this->linkRenderer->makeKnownLink( $logTitle, $logName ) + )->escaped(); + } else { + $data['articleLink'] = $this->getArticleLink( $rcObj, $rcObj->unpatrolled, $rcObj->watched ); + } + + # Diff and hist links + if ( $type != RC_LOG && $type != RC_CATEGORIZE ) { + $query['action'] = 'history'; + $data['historyLink'] = $this->getDiffHistLinks( $rcObj, $query ); + } + $data['separatorAfterLinks'] = ' . . '; + + # Character diff + if ( $this->getConfig()->get( 'RCShowChangedSize' ) ) { + $cd = $this->formatCharacterDifference( $rcObj ); + if ( $cd !== '' ) { + $data['characterDiff'] = $cd; + $data['separatorAftercharacterDiff'] = ' . . '; + } + } + + if ( $type == RC_LOG ) { + $data['logEntry'] = $this->insertLogEntry( $rcObj ); + } elseif ( $this->isCategorizationWithoutRevision( $rcObj ) ) { + $data['comment'] = $this->insertComment( $rcObj ); + } else { + $data['userLink'] = $rcObj->userlink; + $data['userTalkLink'] = $rcObj->usertalklink; + $data['comment'] = $this->insertComment( $rcObj ); + if ( $type == RC_CATEGORIZE ) { + $data['historyLink'] = $this->getDiffHistLinks( $rcObj, $query ); + } + $data['rollback'] = $this->getRollback( $rcObj ); + } + + # Tags + $data['tags'] = $this->getTags( $rcObj, $classes ); + + # Show how many people are watching this if enabled + $data['watchingUsers'] = $this->numberofWatchingusers( $rcObj->numberofWatchingusers ); + + $data['attribs'] = array_merge( $this->getDataAttributes( $rcObj ), [ 'class' => $classes ] ); + + // give the hook a chance to modify the data + $success = Hooks::run( 'EnhancedChangesListModifyBlockLineData', + [ $this, &$data, $rcObj ] ); + if ( !$success ) { + // skip entry if hook aborted it + return ''; + } + $attribs = $data['attribs']; + unset( $data['attribs'] ); + $attribs = wfArrayFilterByKey( $attribs, function ( $key ) { + return $key === 'class' || Sanitizer::isReservedDataAttribute( $key ); + } ); + + $prefix = ''; + if ( is_callable( $this->changeLinePrefixer ) ) { + $prefix = call_user_func( $this->changeLinePrefixer, $rcObj, $this, false ); + } + + $line = Html::openElement( 'table', $attribs ) . Html::openElement( 'tr' ); + $line .= Html::rawElement( 'td', [], '' ); + $line .= Html::rawElement( 'td', [ 'class' => 'mw-changeslist-line-prefix' ], $prefix ); + $line .= ''; + + if ( isset( $data['recentChangesFlags'] ) ) { + $line .= $this->recentChangesFlags( $data['recentChangesFlags'] ); + unset( $data['recentChangesFlags'] ); + } + + if ( isset( $data['timestampLink'] ) ) { + $line .= ' ' . $data['timestampLink']; + unset( $data['timestampLink'] ); + } + $line .= ' '; + $line .= Html::openElement( 'td', [ + 'class' => 'mw-changeslist-line-inner', + // Used for reliable determination of the affiliated page + 'data-target-page' => $rcObj->getTitle(), + ] ); + + // everything else: makes it easier for extensions to add or remove data + $line .= implode( '', $data ); + + $line .= "\n"; + + return $line; + } + + /** + * Returns value to be used in 'historyLink' element of $data param in + * EnhancedChangesListModifyBlockLineData hook. + * + * @since 1.27 + * + * @param RCCacheEntry $rc + * @param array $query array of key/value pairs to append as a query string + * @return string HTML + */ + public function getDiffHistLinks( RCCacheEntry $rc, array $query ) { + $pageTitle = $rc->getTitle(); + if ( $rc->getAttribute( 'rc_type' ) == RC_CATEGORIZE ) { + // For categorizations we must swap the category title with the page title! + $pageTitle = Title::newFromID( $rc->getAttribute( 'rc_cur_id' ) ); + if ( !$pageTitle ) { + // The page has been deleted, but the RC entry + // deletion job has not run yet. Just skip. + return ''; + } + } + + $retVal = ' ' . $this->msg( 'parentheses' ) + ->rawParams( $rc->difflink . $this->message['pipe-separator'] + . $this->linkRenderer->makeKnownLink( + $pageTitle, + new HtmlArmor( $this->message['hist'] ), + [ 'class' => 'mw-changeslist-history' ], + $query + ) )->escaped(); + return $retVal; + } + + /** + * If enhanced RC is in use, this function takes the previously cached + * RC lines, arranges them, and outputs the HTML + * + * @return string + */ + protected function recentChangesBlock() { + if ( count( $this->rc_cache ) == 0 ) { + return ''; + } + + $blockOut = ''; + foreach ( $this->rc_cache as $block ) { + if ( count( $block ) < 2 ) { + $blockOut .= $this->recentChangesBlockLine( array_shift( $block ) ); + } else { + $blockOut .= $this->recentChangesBlockGroup( $block ); + } + } + + if ( $blockOut === '' ) { + return ''; + } + // $this->lastdate is kept up to date by recentChangesLine() + return Xml::element( 'h4', null, $this->lastdate ) . "\n
" . $blockOut . '
'; + } + + /** + * Returns text for the end of RC + * If enhanced RC is in use, returns pretty much all the text + * @return string + */ + public function endRecentChangesList() { + return $this->recentChangesBlock() . '
'; + } +}